Sizes of concrete boom pumps

 Concrete boom pump sizes include length, width and height of the chassis, pump arm height, boom section number, boom diameter size etc.

　　The length of a truck mounted concrete boom pump has various specifications, namely 21 meters, 24 meters, 28 meters, 30 meters, 33 meters, 38 meters, and 35 meters. Different pump trucks will be designed according to the requirements of the length, width and height of the chassis, the efficiency requirements of the mixer, the length of the boom, etc. For example, under the condition that the other configurations of the 33-meter pump truck remain unchanged, the boom design is optimized and the overall layout is adjusted Then launched a 35-meter mixing pump truck.

　　According to the height of the boom of the pump truck, a concrete boom pump can be divided into short boom, long boom, and super long boom. Usually the boom length of 13-28 meters is a short boom, 31-47 meters is a long boom, and 51-62 meters is an ultra-long boom. The most common pump trucks currently on the market are mostly short boom and long boom.

　　According to the different number of boom sections, concrete boom pump trucks can be divided into four types: 2 boom, 3 boom, 4 boom, 5 boom, 6 boom, 7 boom. The most common ones in the market are 2-section arms, 3-section arms, 4-section arms, and 5-section arms. The maximum height of the 5-section boom 4-axle boom is between 50 meters and 56 meters. The size of the pump tube is 125MM.

　　The low pressure type of the pump pipe is a pipe with an outer diameter of Φ133, and the high pressure is a pipe with an outer diameter of Φ140; the low pressure model of the 150 type pump pipe is a pipe with an outer diameter of Φ159, and a high pressure is a pipe with an outer diameter of Φ168. The head of the pump pipe is a specially processed pipe joint, which is connected to the pipe body by welding, and the connection of each pipe is connected by a pipe clamp processed by a precision casting process.

Reprinted from http://concrete-pump-cn.com/a/News/concrete-boom-pump-sizes.html

New arrival optional type twin shaft concrete mixer

Used to mix the raw materials of concrete batching plant equipment called concrete weighing equipment, small concrete batching plant equipment basic weighing requirements as following:

1, the accuracy or error of ingredients should meet the requirements of concrete construction technical specifications. The general weighing device can achieve its own accuracy of 0.5%, but because of the impact of the material when the fall and the feeding device and the bucket has a certain distance and other reasons, often make weighing less than such accuracy. Generally, the weighing error of various materials is material quality: 1% of cement, 1% of water, 2% of coarse and fine aggregate, 1% of additive.
2, weighing quickly, the weighing device can weigh the maximum amount of each time, should be greater than the amount of the concrete mixer on the material requirements, so that the concrete mixer machine will not wait for the ingredients and idle.
3, in order to adapt to the preparation of a variety of standard concrete needs, weighing equipment should be able to quickly change the weighing component.
4, the structure of the concrete batch plant weighing device should be simple, strong, easy to operate, easy to adjust, reliable work.

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Which aspects help you to choose the concrete batch plant

Which aspects help you to choose the concrete batch plant?

 

First of all, according to your own needs to choose the type of concrete batch plant equipment, concrete batching plant equipment is divided into engineering concrete batching plant and commercial concrete mixing plant, the choice of different stations will certainly be different configuration, such as the choice of engineering concrete batching plant must be done easy operation, generally we call the simple concrete batching plant equipment. The configuration of the mixed station is generally more stringent, because in the production needs from time to time supply, in the configuration we are generally referred to as standard concrete mixing plant equipment.
Followed by the choice of concrete batch plant equipment models, the type of concrete batch plant equipment models are medium and small models, the greater the model, the higher the production efficiency, the more concrete production, but in the choice of models must be sure to make sure that the selection is in line with production.
Finally, the concrete mixing plant equipment accessories, especially some small accessories, such as mixer blades, liner, stirring arm and other accessories parts of the note, although these configurations are small, but also have a certain impact on the production. So you can not ignore the importance of accessories.

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The basic technology process operation of concrete batch plant

Concrete batch plant equipment staff need to be familiar with the basic process of stirring the main points are as follows:

1, keep clean, drainage unblocked, the signal contact unobstructed;

2, feeding system should prevent institutions aggregate into operation;General sand and cement cannot be the same pipe groove;Hopper, tube slot parts of materials such as each time should be discharged net, shall not be reserved for the next feeding.

3, feeding: you can use a feeding and multiple feeding, a feeding material is in accordance with a certain order of the process into the cement mixer, but not allowed to vote the first cement, so as not to cement sticky axis; a feeding in order to avoid the cement is wrapped in water to form cement The ball should be the first cement and gravel stir, so that after the cement dispersed, and then shower; repeated mixing of concrete, also known as shelling concrete, it is more complicated feeding operation, in the concrete mixing station and mixing room need procedures for a special treatment can be achieved.

4, running, during the running one is to control the measurement accuracy, mixing time, ensure meet the process requirements;Second, check the abnormal and failure, such as discharging mouth without leaking slurry, etc., if there is abnormal and failure to timely maintenance.

5, downtime: must be out of the net before the concrete; work after the completion of the shutdown, the application of a small amount of stone and water washing forced concrete mixer; the same time, clean up the mixing site. When a sudden power failure or failure to stop, should be careful to operate in time to clean up the concrete within the host out.

6, security: any personnel must comply with operating procedures and safety precautions to ensure safety in production.

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Concrete batch plant on the requirements of the cement

Concrete batch plant on the requirements of the cement:

1, the technical performance of cement must meet the requirements of the existing national standards, in particular, should maintain product homogeneity and stability, chemical composition, fineness, age intensity grade, setting time, standard consistency water demand and other indicators can not have Large fluctuations, especially the intensity value can not be ups and downs.

2, Concrete batch plant in the preparation of concrete water to be small, good mobility, and admixtures have a better adaptability; cement grinding not only to control the fineness and to rational control of cement particle size and particle shape.

3, concrete mixing plant varieties of cement mixed material matching mix to science, reasonable;Attaches great importance to the gypsum variety choice, should attach great importance to the control of temperature of the cement factory.

4, in the special requirements of concrete, should provide special cement, if low alkali requirements to provide low-alkali cement; have low heat requirements, the commercial concrete mixing plant to use hydration heat low cement.

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The acceptance criteria for concrete batch plant

How to determine whether the concrete batch plant qualified?Can be judged from six aspects.
1. If the concrete mixer of the concrete batching plant is from the fall-type mixing cylinder, then its discharge buckle radial run out does not exceed 1% of the diameter of the inlet, but also check the quality of the steel mesh on the blender screen Mesh and the reasonable size of the screen and check the installation accuracy of the screen;

2. The concrete mixing station transmission system should be flexible, no abnormal sound;
3. Concrete bath plant equipment in the belt conveyor, bucket elevator and cantilever shovel and other transmission to be smooth, flexible operation, the brake can be high, no abnormal noise, no card chain;
4. Check the measurement system is also very important, to check the measurement system sensitivity and accuracy;
5. Metering bucket into the material to be smooth, there is no accumulation of materials, such as material;

6. There is batching plant safety valve can not appear leak phenomenon; cement tank quality qualified; matching line installation should be reasonable, the equipment should be installed correctly.
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Semi-automatic and fully automatic concrete batch plant

The main difference between fully automatic and semi-automatic concrete batch plant is the control system, the other equipment are basically the same.

Fully automatic control system using automatic control system, semi-automatic control system using centralized control system; what is the difference of the concrete mixing plant in different control system ?

The production efficiency rating of the two ways are the same, the only difference is the different working methods; automatic control system as long as the point of operation, the material will automatically unload from the cement warehouse screw conveyor, in the screw conveyor. In the weighing bucket, and then automatically unloaded into the concrete mixer, the entire production process only need to point the operation will be completed automatically, very simple and convenient to use, very suitable for the staff of the concrete mixing plant; and centralized control system can not be so simple, it can be said to be step by step to complete, such as concrete work to the material, the point of the button on the material, then the material will be automatically transported to the weighing bucket, About the discharge button, the material will be automatically unloaded into the mixer, the centralized control system needs more people to participate.
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What should pay attention to clean concrete batch plant

The cleaning of the concrete batch plant sounds like a very easy thing, but if done not well, it will directly affect the use of the concrete batching plant.

First, regular maintenance procedures under the provisions of the maintenance, maintenance operations, such as cleaning, lubrication, refueling and so on.
Second, it is forbidden to remove the concrete accumulated in the concrete mixing station tube with a sledgehammer method, which can only be removed with a chisel.
Third, in the cold season, after the completion of the application of water cleaning concrete mixer drum and water pump, water tank, water inside the water put the net, so as not to water pumps, water tanks, water pipes and other frozen.
Fourth, before the concrete mixing station working first check the controller is good, after stopping the use of water and stones into the mixing tube 10 to 15 minutes for cleaning, and then clear the water and stones. If the operator is required to enter the mixing cylinder to clean, in addition to cut off the power and remove the fuse, and to lock the switch box.

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Installation instructions for concrete batch plant

Installation instructions of concrete batch plant supply with professional batching plant manufacturer, in the installation of concrete batch plant, please read it carefully.

The user to check all the installation equipment before the install the concrete batching plant, installation tools, check the equipment and tools are complete, whether there is a security risk and then install the program;
Installation should pay attention to safety, each employee must be equipped with safety tools, regardless of any equipment, lifting equipment, concrete mixing station to ensure that no one near, especially the following, when lifting must have a professional staff command; above security measures are pay attention to the installation can be assured after the installation; to check the installation of random size and correct the deviation;
Installation of any equipment, concrete mixing station after the end of a strong connection, after a good connection to carry out a careful inspection; installation of the flange connection surface and the discharge pipe flange connection surface should be coated with sealed objects;
In the installation of weighing hopper is sure to ensure the safety of the sensor;
Install the gas top and the valve must first check, the hose joints can not leak;

Installation of each equipment in the concrete batch plant to try to avoid the collision, bolts ,nuts and welding must ensure a strong place.
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The feeding sequence of concrete batch plant

As a concrete batch plant staff, do you clearly know about its feeding order? Take a look at it.

In the concrete batching plants mixing feed, usually will be used to put the stone first, then cement, and then followed by sand and water, why is this feeding? The main purpose is to ensure that stones, cement and other mixing evenly, to prevent cement with other coarse aggregate Wrapped together into the cement mixer, with water quickly after the formation of small cement aggregates, the smaller the water-cement ratio, the more serious this agglomeration.
Another reason is: small cement agglomerates attached to the coarse aggregate, the larger the coarse aggregate size, the smaller the cement agglomeration. And in the mixing process, due to the role of friction and impact, in the direction of the aggregate movement of small cement particles are effectively protected, the particle size is greater than the small cement aggregates several times or ten times the coarse aggregate into small cement aggregates of the protection of the barrier, so that part of the cement particles can not be broken after the end of mixing, to be hardened after the cement block filled with aggregate gap, resulting in reduced concrete strength, and even cause quality accidents.

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How to choose the configuration for your concrete batch plant

Concrete batch plant reasonable configuration to ensure efficient operation, then how to choose a reasonable configuration?

Concrete batch plants configuration determines the level of their own production efficiency, so the choice of concrete mixing plant configuration to do the relevant preparatory work, when the production put into production, if you want to exchange will cause all aspects of the loss.
Professional batching plant manufacturer recommends that customers in the selection of equipment not only to rational use of the views of manufacturers, more importantly, but also in a timely manner to finally get a perfect batching plant equipment.
The most common configuration of the concrete bath plant is a series of concrete mixers, cement warehouses, conveyor equipment and weighing systems. So how do you make these bulk equipment a perfect set of operations, it needs all aspects of cooperation,In addition, we have a set of HZS25 concrete mixing plant(small concrete batching plant), the standard configuration is JS500 forced concrete mixer, PLD800 two warehouse concrete batching machine, and 50T cement tank, but if we configure the JS750 model concrete mixer will cause the ingredients shortage of ingredients, resulting in The standstill of the mixing station will ultimately affect its production efficiency.
Therefore, we must buy concrete mixing plant in a reasonable condition according to their actual situation to choose, can not blindly the most efficient and more efficient production. So the final situation is counterproductive.
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The secret for concrete batch plant

There are some secret in concrete batch plant,do you know these?Knowing these secrets will make you use concrete batching plants to become more convenient and safer.

Concrete batching plant, are generally used JS series of double horizontal shaft forced concrete mixer, this mixer for plastic, dry hard, lightweight aggregate concrete and a variety of mortar, mortar mixing, is a very wide use of concrete Mixer, but JS series of concrete mixer can not be used alone, when used in general is to configure the PLD series of concrete batching machine with, in order to make production more efficient.
The concrete batching machine is the indispensable equipment in the concrete mixing plant. The PLD series concrete batching machine adopts the world’s smallest batch control instrument, the material is precise and stable, the calculation method is advanced and the control error is effective. It is an advanced batching equipment, effective To protect the quality of concrete production.
The stationary concrete batching plant is operated by the control system to operate the whole mixing station. The control system of the HZS series concrete mixing station adopts the advanced control system, the performance is reliable, the operation is easy to use, the printing function is air conditioning, so be sure to pay attention to the control system Of the daily inspection work, once the control system is abnormal, please ask the staff to repair after use.

The use of concrete mixing plant cement warehouse is also very simple, but the cement warehouse because of reserves, the leg bearing capacity, so the protection of cement warehouse legs is very important.
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Are you ready to install a concrete batch plant

Are you ready to install a concrete batch plant?

What would you do before install a concrete batch plant? Can you make sure it is well installed?

Let us talk about this each other.

Concrete batch plant construction machinery and equipment installed after the connection should be connected with the electronic control system. After the inspection is correct, by the mechanical and electrical personnel to carry out debugging. After the normal operation of the commissioning, record the batching time, weighing accuracy, and determine the technical parameters of concrete. For a variety of data, subject to acceptance by the user before they can be formally produced.

Before installing the concrete batch plant, the installer should familiarize themselves with the drawings and the relevant technical documents, select the appropriate lifting equipment, and according to the lifting equipment used to determine the installation program.

Concrete batching plant is ready to install with the lifting equipment should be based on the main roof height, mixing platform assembly quality elevation and weighing platform and the platform where the assembly quality and the platform where the elevation is equipped with, choose suitable lifting equipment.

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Teach you five steps to install concrete batch plant

Teach you five steps to install concrete batch plant:

1, the installation of feeding system
Small concrete batching plant installation finished product installation will be finished product belt conveyor , from bending after framework on the basis, framework, before and after the connection is good then before and after leg good connection with conveyer, brace and rack lug connection is good, then the front of conveyor lift, fitting of front and rear leg and brace, finally the leg before and after the anchor bolts.
2, stirring the mixing host
the mixing host and the powder batching system to install the mainframe rack, on the basis of its anchor bolts to fasten.
3, the installation of finished ingredients warehouse
Finished storage hopper installation will be finished storage hopper lifting, the legs will stand up, will walk Taiwan, ladder and finished material storage hopper connected. The preparation of the pelletizing system is carried out on the basis of the above, the board will be connected, and the two sides will be put on the sides and the board will be connected with the card, and then the original aggregate conveyor will start, After the rear rack is connected, the electric drum is aligned with the center of the mixer head hole, and finally the anchor bolts are tightened.
4, the installation of the cement silo
Cement warehouse installation will cement warehouse parts which are assembled on the ground, lift cement silo, and toward the side of the capsule stents under lateral brace less powder batching system, fixed capsule, finally fixed anchor bolt.
5, the installation of screw feeder
Installation of screw conveyor Lifting screw conveyor, the screw conveyor ball hinge and cement warehouse outlet connection, so that the discharge port on the powder hopper feed port, and then use the rope to the conveyor and the cement warehouse hanging ear Well, finally fix the anchor bolts.
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The checking items after installation of concrete batch plant

The checking items after installation of concrete batch plant:
(1) If the concrete batch plant mixing host belong to fixed concrete mixer, This equipment should be in the strong pedestal, if long-term use, should be buried anchor bolts, if short-term use, should be laid in the machine under the wooden pillow and leveling stable.

(2) If the batch plant mixing host belong to mobile concrete mixer shall be provided on a flat, solid floor with a wooden or support frame and adhered to the level, forbidden to support instead of tires, and for a longer period of time Month) should be properly unloaded tire, the shaft end should be clean and rust-proof operation.
(3) Transmission organization, operating equipment, clutches, brakes, should be fastened reliable .
(4) The body on the hook, hopper hanging ear should be no shortage, when the hopper rises, should be linked to a stable hook.
(5) On the need to dig the hopper on the pit of the concrete mixer, the pit around the pad should be tightened, the bottom of the material track frame should also be tampered or tiled behind the use of wood to support to avoid long time, trajectory Deformation.
(7) The ready-mixed concrete mixing plant mixing host should be set up shelter, no mud around the mechanical, clean and structured, all kinds of cards thoroughly.
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The proper use of concrete batch plant

The proper use of concrete batch plant is very important.
1, concrete batch plant should be installed on a solid bench.

2, the console of the concrete mixer, the batching plant operator should be able to see the work of the ministries. The mixer of the electric concrete mixer should be padded with rubber sheet or dry wood.
3, when put the hopper into the correct position, between the hopper and the ground, should add a layer of cushion wood.
4, before the concrete batching plant operation, you should start the mixer no-load operation. Make sure that the direction of rotation of the agitator or blades is the same as the direction indicated by the arrow on the cylinder. For the mixer that reverses the discharge, the stirrer should be positive and reverse run for several minutes and there should be no impact jitter and abnormal noise.
5, before the operation, should be hopper to enhance the test, should observe and confirm the clutch, brake flexible and reliable.
6, when feeding, it is should be strictly prohibited head or hand into the hopper and between the rack. Operation, is strictly prohibited by hand or tool into the mixing tube within the picking material, the material.
7, the concrete mixer operation, when the hopper rises, is strictly prohibited any person to stay in the hopper or through; when the need to repair or clean the pit under the hopper, the hopper should be raised after the chain or insert the pin to lock.
8, to the mixing tank should be carried out in the operation, add a new material should be the original mixing cylinder before the concrete can be discharged before all.

9, during concrete mixing plant operation, should observe the mechanical operation, when there is abnormal or bearing temperature rise is too high, it should stop inspection; when the need to repair, the mixer should be clear the concrete inside, and then overhaul.
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The arrangement of concrete batch plant

In the horizontal concrete batch plant, the material to be subject to secondary upgrade, the first material to upgrade to the storage hopper, the material after weighing again to join the mixer. This type of concrete batching plants has the advantages of simple structure, low investment, high building height; the disadvantage is that the material needs to be upgraded twice, the efficiency is low, the degree of automation is low.

In the vertical concrete batch plant, the material only need once raised, and then rely on their own weight to the various processes. This type of concrete batching plants has the advantage of high efficiency, small footprint, easy to implement automation; its shortcomings are complex structure, high manufacturing cost and high installation height.

The mobile concrete batching plant assembles the loading, storage, weighing, mixing and discharging devices on the same base. This type of concrete mixing plant has the advantage of compact structure, easy handling, can be directly close to the construction site, thus reducing the transport distance of concrete and improve the economic performance.
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Concrete batch plant site steps in detail

Concrete batch plant site steps in detail:
First. Clean up the construction site
After the site is selected, the debris and sludge are removed by excavator and transported to the designated site.
Second, site excavation

In the site before the excavation for the top of the slope cut ditch, and see the soil conditions for anti-seepage work. Site excavation must be excavated from top to bottom, shall not dig, digging and digging, excavation to the top of the site should pay attention to reserve the height of settlement, when encountered stone, the use of hammer construction. After excavation to the design elevation, the rolling compact and smooth, can not meet the carrying capacity requirements of the use of stone for the fill.
Third. Hardening of the site
Forth. concrete batching plant, silo foundation
Fifth.Silo

The cement silo placement in the mixing host rear concrete mixing station, which is divided into six silo, two sand storehouse, warehouse, four stone points silo partition USES "37" masonry wall height not less than 1.8 m, with cement mortar plaster, warehouse ground set within 5% of the surface slope, reserved holes under bin partition, avoid water, all kinds of bin area to differentiate clearly, set up the material sign, 40 * 750 px, indicate the name of the material, producing area, specifications, units, quality, etc.Install the water pipe on the edge of the bunker, so that in the precondition of contaminated rinse.

Sixth, wall of concrete batch plant

Mixing station to take closed management, according to the actual situation of the scene, surrounded by brick walls closed, with 24 walls, 2m high, every 6m spacing masonry a brick

The last is drainage

Concrete batch plant site in the flat site and hardening site, the overall control to set the drainage on both sides, set 3% of the longitudinal slope, the venue around the set 40 × 40 drains to ensure smooth drainage of the site; six silos in the hardening site Make a single 5% of the drainage slope

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The role of the concrete batch plant

What is the role of concrete batch plant? let me tell you.

Concrete batch plant is used to focus on mixing concrete joint device, also known as concrete prefabricated field. Because of its mechanization, high degree of automation, so the productivity is also high, and to ensure the quality of concrete and save cement, it is commonly used in concrete engineering, long duration, site focus on large and medium water conservancy, electricity, bridges and other projects. With the development of municipal construction, the use of concentrated mixing, to provide commercial concrete mixing plant has great advantages, and thus get rapid development, and to promote the construction of concrete pumping, mixing, transportation, pouring machinery to create conditions for joint operations.

Concrete batch plant is deviced with mixing host, material weighing system, material conveying system, material storage system, control system composed of five major systems and other ancillary facilities of the building materials manufacturing equipment, the main principle of its work is cement cementing materials, Gravel, lime, cinder and other raw materials for mixing, and finally made into concrete, as the wall material into the construction and production.

Since the concrete batching plant has been put into use, it has been playing an important role in China's building materials industry. Of course, this is also determined by the superior characteristics of the concrete batch plant itself.
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Preparation of concrete batch plant before removal

The removal of concrete batch plant equipment is not taken for granted, and the proper removal of concrete batch plant agitation plays on a decisive role in the subsequent installation and management of the equipment.

So what you need to prepare is:
1, To understand the construction site, according to the situation of construction site to prepare the demolishing scheme local lifting equipment situation.
2, Equipped with good demolition workers, construction machinery and equipment and instruments, materials.
3, Before the demolition of the batch plant equipment and parts of the number, the operating personnel to carry out detailed security technology to the end, the operating staff must be familiar with the drawings and removal program, in the demolition process must do a detailed record.
4, Demolition of construction site, road level off, rolling, solid obstacles removed, in order to meet the lifting equipment and transportation equipment in appearance and work conditions.
5,The project department arranged to remove the workplace and the components of the site to watch the field, so as not to concrete mixing plant equipment loss and damage

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