CN204826665U - Physical blowing foam concrete pumping system that foams - Google Patents

Abstract

The utility model discloses a foaming pumping system for physically foamed foamed concrete, which includes a foam concrete mixing conveying mechanism, a foam making mechanism, a cement slurry mixing mechanism and a controller frame inside. The foam making mechanism and the cement slurry mixing mechanism are respectively connected with the The foam concrete mixing and conveying mechanism is connected, and the foam making mechanism, the cement mixing mechanism and the foam concrete mixing and conveying mechanism are respectively connected to the controller; through equipment integration, the huge device is integrated into a main engine and a continuous mixer, occupying a small space and being able to Obtain qualified foam concrete to ensure the quality of the building. Through the control of multiple sensors and microcomputers, the control of the speed and flow in each link of the equipment is realized, and the analysis and processing of data by the microcomputer enables it to be adjusted in time. Thereby, foam concrete of the best quality can be obtained; moreover, the device can pump the foam concrete to a height of 300-350 meters, thereby exerting its practical value.

Description

Physical foaming foam concrete foaming pumping system

technical field

The invention relates to the technical field of mixing unit technology, in particular to a foaming pumping system for physically foamed foam concrete.

Background technique

For foam (concrete) light soil, the foaming agent is fully foamed mechanically through the foaming system of the foaming machine, and the foam is evenly mixed with the cement slurry. Then through the pumping system of the foaming machine for cast-in-place construction or mold molding, a new type of lightweight thermal insulation material with a large number of closed pores formed after natural curing. At present, in the field of civil engineering, building materials such as foam light soil, light foam soil, foam mixed light soil, and foam light soil are widely used. Therefore, the foaming production equipment of foam light soil also plays an important role. It plays an increasingly important role. As a construction machine in the field of construction engineering and municipal engineering, it is used in roadbed backfilling projects, voids, foundation pit filling projects, foam light soil insulation, slope finding, cushioning, filling and other projects in the field of building energy conservation. has been more and more widely used.

With the emphasis on environmental protection and product quality requirements in modern society, combined with the market needs of cast-in-place foam concrete, according to the inspection of the existing foam concrete cast-in-place equipment in the market, the methods for controlling the water-cement ratio are relatively rough and primitive, resulting in large measurement errors. The cost and quality control in the construction process of cast-in-place foam concrete is not convincing, and a large amount of dust is generated during the construction process, causing great harm to the environment. The main influences on the quality of foamed light soil are as follows: the quality of cement, the degree of water pollution, the control of water-cement ratio, the performance of foaming agent, the ratio of foaming liquid, the ratio of cement slurry and foam, Pumping distance, pumping height and on-site construction process.

During the working process of existing concrete mixing equipment on the construction site in the market, the vertical height and long-distance conveying technology of physically foamed foamed concrete (foamed light soil) materials have so far belonged to high-rise building insulation construction and road and bridge long-distance conveyed foamed concrete ( Foam light soil) material filling urgent problem to be solved. The outlet pressure of existing foam concrete (foam light soil) equipment is 1.5-2 MPa, which cannot meet the needs of buildings that are too high and road bridge foam concrete (foam light soil) in building insulation construction and road and bridge foam concrete (foam light soil) construction. Soil) super high-rise and long-distance pumping requirements. The foam concrete (foam light soil) material pumped to the working face is damaged and segregated, resulting in a large change in the density of the foam concrete (foam light soil) and unqualified quality, resulting in rework and blockage of the delivery pipeline, which greatly damages the construction materials. waste. Manual dredging of pipelines is extremely time-consuming and laborious. The foaming and pumping of foam concrete (foam light soil) mixture requires nearby pouring of the working face, and the construction and production of equipment are placed close to the site. Soil) stirring, mixing, foaming and the limitation of the area where the pumping equipment is placed have brought great inconvenience to the construction. The method of stopping work and waiting for materials and staggering the peak construction causes serious quality problems and seriously prolongs the construction period; therefore, there is an urgent need for a physical foaming foam concrete foaming pumping system.

Contents of the invention

The purpose of the present invention is to solve the problems existing in the above-mentioned prior art, and to provide a physical foaming foam concrete foaming pumping system to solve the long-term inability to realize the lightweight material of foam concrete (foam light soil) and transport it to high-rise buildings. Technical problems on the construction work surface and long-distance transportation have greatly improved the construction quality and efficiency of high-rise building insulation construction and long-distance road and bridge foam concrete (foam light soil) filling construction.

The technical solution adopted in order to achieve the above purpose: physical foaming foam concrete foaming pumping system, including a frame with a foam concrete mixing conveying mechanism, a foam making mechanism, a cement slurry mixing mechanism and a controller inside, the foam making mechanism The cement slurry mixing mechanism is respectively connected with the foam concrete mixing and conveying mechanism, and the foam making mechanism, the cement mixing mechanism and the foam concrete mixing and conveying mechanism are respectively connected with the controller.

The foam making mechanism comprises a piston pump, a foam agent diluent container, an air compressor and a foamer, the foam agent diluent container is connected to the lower end of the foamer through a piston pump, and the air compressor is connected to the foamer The lower ends are connected, and the upper end of the foamer is respectively provided with a foaming agent outlet and a foam test outlet.

The cement mixing mechanism includes a continuous mixer with a screw feeder and a water pump at the top, and a mud outlet at the bottom of the continuous mixer, and the mud outlet is connected to a high-pressure delivery pump.

The foam concrete mixing and conveying mechanism is a tubular mixer, and a mixing rod is arranged in the tubular mixer.

Mixing blades are arranged on the mixing rod.

A flow valve is arranged at the outlet of the piston pump and the air compressor.

A flow valve is arranged at the outlet of the water pump and the mud outlet, and a weighing sensor is arranged at the lower part of the screw feeder.

The controller is a microcomputer.

A density meter is installed in the tubular mixer.

The invention integrates the pumping and foaming of foam concrete, which not only can simplify the equipment but also improve the quality of foam concrete. The production of foam concrete is controlled by a microcomputer, and various mechanisms can be coordinated to produce a set foam. Concrete, in the foam making mechanism, the diluted solution of the foam agent can be pumped into the lower part of the foamer through the piston pump, and an interface is set at the connection between the foamer and the piston pump to connect with the air compressor, which can make the high-pressure air and the foam At the same time, the agent is injected into the foamer at high pressure, so that the formed foam is more delicate. The foaming agent outlet and the foaming outlet are installed on the upper part of the foamer. One is to test the foaming quality of the foamer. , to prevent unqualified foaming agent from entering the tubular mixer, and after the test is passed, close the test foam outlet and open the foaming agent outlet, so that it can pump foam into the tubular mixer.

While completing the foaming of the foaming agent, add cement and water to the continuous mixer through the screw feeder and the water pump, and control the mixing ratio through the load cell and flow valve set on it, and control the stirring through the microcomputer time and stirring speed to obtain the best ratio of cement slurry, and then pass it through the flow valve set at the slurry outlet to calculate the quality of its entry into the high-pressure delivery pump, and the high-pressure delivery pump used is a plunger The pump can ensure a high pressure when pumping into the tubular mixer, ensure the pumping pressure, and thus ensure the pumping height of the concrete.

The tubular mixer used is a mixer with a cylindrical mixing rod on the outside, and mixing blades are set on the outer wall of the mixing rod, and the mixing blades can fully mix the foam and cement slurry, and set the density at the end. In order to obtain the density of foam concrete in it, the information is fed back to the microcomputer so that it can realize self-adjustment.

The present invention integrates a huge device into a main engine and a continuous mixer through equipment integration, so that it occupies a small space, and at the same time can obtain qualified foamed concrete to ensure the quality of the building. The control of the speed and flow in each link of the equipment, and the analysis and processing of the data by the microcomputer enable it to be adjusted in time, so as to obtain the best quality foam concrete; and this device can pump the foam concrete to 300-350 meters The height of the device is simple and easy to operate, and its practical value is maximized under the same resource conditions.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a partial enlarged structural schematic diagram of the mixing rod of the present invention.

Detailed ways

In order to further illustrate the superiority of this device, the performance of this device is tested with different data:

The first group: Different pumping systems with the same power were used for the same slurry, and their pressure, single maintenance cycle, effective energy utilization rate and height were tested respectively. The experimental data obtained are shown in the table below. name Pressure (MPa) Single maintenance cycle (cubic meter) Effective Energy Utilization Rate Conveying height (m) Conventional decentralized diaphragm pump 0.8-1.3 300 square 30% 80 Conventional decentralized hose pump 1-2.5 500 square meters 50% 120 Conventional Decentralized Piston Pump 6-7 6000 60% 250 this invention 7-9 9000 square meters 80% 300

Note: The same slurry is pure foam concrete slurry, and can also be other fine materials, slurry, etc.

It can be seen from the above table that the devices with the same power adopt the conventional dispersion method, even if it is the same device, the effect of the present invention is far lower, and the unit maintenance life cycle of the present invention reaches 9000 cubic meters, and the effective energy consumption utilization rate It can reach 80%, and can transport the material to a height of 300 meters, but it can be seen from the table that the plunger pump is also used but not integrated into the present invention, its pumping height is only 250 meters, and the energy consumption utilization rate is also high Only 60%.

The second group: For the same device, use different types of mixers to test the foam retention rate of foam concrete. name Foam retention % conventional mixer 70% Mixer of the present invention 95%

It can be seen from the above table that the foam retention rate obtained by using different mixers is also different.

The present invention is further described below in conjunction with accompanying drawing:

Embodiment 1: As shown in Figure 1-2: physical foaming foam concrete foaming pumping system, including a frame with foam concrete mixing and conveying mechanism, foam making mechanism, cement slurry mixing mechanism and controller inside, the foam The making mechanism and the cement slurry mixing mechanism are respectively connected to the foam concrete mixing and conveying mechanism, and the foam making mechanism, the cement mixing mechanism and the foam concrete mixing and conveying mechanism are respectively connected to the controller 12 .

Described foam making mechanism comprises piston pump 7, foam agent diluent container 6, air compressor 8 and foamer 15, and described foam agent diluent container 6 is connected with foamer 15 rear end by piston pump 7, so The air compressor 8 is connected to the lower end of the foamer 15, and the upper end of the foamer 15 is respectively provided with a foaming agent outlet 9 and a foam test outlet 16.

The cement mixing mechanism includes a continuous mixer 2 provided with a screw feeder 1 and a water pump 3 at the upper part, and a mud outlet is provided at the lower part of the continuous mixer 2, and the mud outlet is connected with a high-pressure delivery pump 4 .

The foamed concrete mixing and conveying mechanism is a tubular mixer 10 , and a mixing rod 5 is arranged in the tubular mixer 10 .

Mixing blades 11 are arranged on the mixing rod 5 .

A flow valve 31 is arranged at the outlet of the piston pump 7 and the air compressor 8 .

A flow valve 31 is set at the outlet of the water pump 3 and the mud outlet, and a load cell 32 is set at the bottom of the screw feeder 1 .

The controller 12 is a microcomputer.

A density meter 14 is installed in the tubular mixer 10 .

Embodiment 2: As shown in Figure 1-2: physical foaming foaming concrete foaming pumping system, including a frame with a foam concrete mixing conveying mechanism, a foam making mechanism, a cement slurry mixing mechanism and a controller inside, the foam The making mechanism and the cement slurry mixing mechanism are respectively connected to the foam concrete mixing and conveying mechanism, and the foam making mechanism, the cement mixing mechanism and the foam concrete mixing and conveying mechanism are respectively connected to the controller 12 .

Described foam making mechanism comprises piston pump 7, foam agent dilution container 6, air compressor 8 and foamer 15, and described foam agent dilution container 6 is connected with foamer 15 rear end by piston pump 7, so The air compressor 8 is connected to the lower end of the foamer 15, and the upper end of the foamer 15 is respectively provided with a foaming agent outlet 9 and a foam test outlet 16.

The cement mixing mechanism includes a continuous mixer 2 provided with a screw feeder 1 and a water pump 3 at the upper part, and a mud outlet is provided at the lower part of the continuous mixer 2, and the mud outlet is connected with a high-pressure delivery pump 4 .

The foamed concrete mixing and conveying mechanism is a tubular mixer 10 , and a mixing rod 5 is arranged in the tubular mixer 10 .

Mixing blades 11 are arranged on the mixing rod 5 .

The invention integrates the pumping and foaming of the foamed concrete, which not only can simplify the equipment but also improve the quality of the foamed concrete. The production of the foamed concrete is controlled by a microcomputer, and various mechanisms can be coordinated to produce foam that meets the requirements. Concrete, in the foam making mechanism, the diluted solution of the foam agent can be pumped into the lower part of the foamer through the piston pump, and an interface is set at the connection between the foamer and the piston pump to connect with the air compressor, which can make the high-pressure air and the foam At the same time, the agent is pumped into the foamer at high pressure, so that the gas is fully fused in the foamer, and the foam formed is more delicate. The foaming agent outlet and the foaming outlet are installed at the upper end of the foamer. One is It can test the foaming quality of the foamer, prevent unqualified foaming agent from entering the tubular mixer, and close the test foam outlet and open the foamer outlet after the test is passed, so that it can flow into the tubular mixer Pump into lather.

While the foaming of the foam agent is completed, cement and water are added to the continuous mixer through the screw feeder and the water pump, and the mixing ratio is controlled through the load cell and flowmeter set on it, and the stirring is controlled by the microcomputer. The time and stirring speed are used to obtain the best proportion of cement slurry, and then the mass of the high-pressure delivery pump is calculated by passing it through the flow valve set at the outlet of the cement slurry, and the high-pressure delivery pump used is the column The plug pump can ensure a high pressure when pumping into the tubular mixer, ensure the pumping pressure, and thus ensure the pumping height of the concrete.

The foamer used is equipped with a honeycomb foam core to ensure that the generated foam is fine and stable, and can provide high-quality raw materials for subsequent processes to ensure the quality of the final foamed concrete.

The tubular mixer used is a mixer with a cylindrical mixing rod on the outside, and mixing blades are set on the outer wall of the mixing rod, and the mixing blades can fully mix the foam and cement slurry, and set the density at the end. In order to obtain the density of foam concrete in it, the information is fed back to the microcomputer so that it can realize self-adjustment.

The present invention integrates a huge device into a main engine and a continuous mixer through equipment integration, so that it occupies a small space, and at the same time can obtain qualified foamed concrete to ensure the quality of the building. The control of the speed and flow in each link of the equipment, and the analysis and processing of the data by the microcomputer enable it to be adjusted in time, so as to obtain the best quality foam concrete; and this device can pump the foam concrete to 300-350 meters The height of the device is simple and easy to operate, and its practical value is maximized under the same resource conditions.

Claims (9)

1. physical blowing foam concrete foaming pumping system, comprise the frame that inside arranges foam concrete blending transportation mechanism, foam manufacturing mechanism, cement paste mixed organization and controller, described foam manufacturing mechanism and cement paste mixed organization are connected with foam concrete blending transportation mechanism respectively, and described foam manufacturing mechanism, cement mixing mechanism are connected with controller respectively with foam concrete blending transportation mechanism.

2. physical blowing foam concrete foaming pumping system according to claim 1, it is characterized in that: described foam manufacturing mechanism comprises piston pump, foaming agent diluent container, air compressor and foam maker, described foaming agent diluent container is connected with foam maker lower end by piston pump, described air compressor is connected with foam maker lower end, and described foam maker upper end arranges blowing agent discharging opening respectively and steeps discharging opening with examination.

3. physical blowing foam concrete foaming pumping system according to claim 1, it is characterized in that: described cement mixing mechanism comprises the continuous mixer that top arranges screw feeding machine and water pump, described continuous mixer bottom arranges mud discharging opening, and described mud discharging opening connects high-pressure delivery pump.

4. physical blowing foam concrete foaming pumping system according to claim 1, is characterized in that: described foam concrete blending transportation mechanism is tubular mixer, arranges mixing rod in described tubular mixer.

5. physical blowing foam concrete foaming pumping system according to claim 4, is characterized in that: described mixing rod arranges hybrid blade.

6. physical blowing foam concrete foaming pumping system according to claim 2, is characterized in that: described piston pump and air compressor exit arrange flow valve.

7. physical blowing foam concrete foaming pumping system according to claim 3, it is characterized in that: the exit of described water pump and mud discharging opening arranges flow valve, described screw feeding machine bottom arranges LOAD CELLS.

8. physical blowing foam concrete foaming pumping system according to claim 1, is characterized in that: described controller is microcomputer.

9. physical blowing foam concrete foaming pumping system according to claim 4, is characterized in that: density of setting meter in described tubular mixer.