CN215876747U

CN215876747U - Automatic dust fall system of concrete mixing plant

Info

Publication number: CN215876747U
Application number: CN202121841335.8U
Authority: CN
Inventors: 余晟; 马翔; 汪斌
Original assignee: Wuhan Xinjiansheng Concrete Co ltd
Current assignee: Wuhan Xinjiansheng Concrete Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-22
Anticipated expiration: 2031-08-06

Abstract

The application relates to an automatic dust fall system of a concrete mixing plant, which relates to the field of concrete processing and comprises a mixing main building and a plurality of powder bins, wherein the powder bins are connected with the mixing main building through a feeding pipe; the stirring main building is characterized in that a dust extraction hole is formed in one side of the stirring main building, an exhaust fan is arranged at the dust extraction hole, a gas collecting pipe is connected to an air outlet of the exhaust fan, and a filtering component, a spraying component and a recycling component are arranged in the gas collecting pipe. This application has the effect with dust collection, recycle in the air.

Description

Automatic dust fall system of concrete mixing plant

Technical Field

The application relates to the field of concrete processing, in particular to an automatic dust fall system of a concrete mixing plant.

Background

At present, a cement concrete mixing plant is widely applied to construction projects of industry, agriculture, traffic, national defense, water conservancy, municipal works and the like in China, the demand is increasing continuously, the concrete production process flow mainly comprises batching, conveying, feeding and mixing, and in the powder conveying process, because the powder is light in weight, the dust is easy to form and float in the air in the dumping and mixing processes.

In order to solve the technical problems, the chinese patent No. 1513104837256 describes a concrete mixing plant, which includes a batching machine, a hoist, a mixing plant main building, a powder bin and a dust collecting system; the dust collecting system comprises a dust bin connecting pipe, a main pipeline, a dust collector and a dust bin; the lower end of the powder bin connecting pipe is connected to the top end of the powder bin; the top end of the powder bin connecting pipe is connected to the main pipeline; a branch valve for controlling the connection and disconnection of the powder bin connecting pipe is arranged at the connection part of the powder bin connecting pipe and the main pipeline; a main valve for controlling the on-off of the main pipeline is arranged on the main pipeline; one end of the main pipeline is closed, and the other end of the main pipeline is connected with the dust collector; the dust collecting bin is arranged at the lower part of the dust collector; the lower part of the dust collection bin is provided with the upper end of a first connecting pipe; the lower end of the first connecting pipe is connected with a powder material metering scale; the powder material metering scale is connected with the stirring host through a second connecting pipe; the lower part of the stirring main machine is provided with a collecting hopper; and a safety valve is arranged at the top of the dust bin.

In view of the above-mentioned related technologies, the inventor believes that a large amount of dust will drift in the air of the main building of the mixing plant during the feeding and mixing process to generate flying dust, and if the dust in the air is not subjected to dust reduction treatment, the dust will drift or attach to the space and equipment inside the main building of the mixing plant in a large amount, which causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

In order to improve the raise dust problem in the air in the stirring main building, this application provides an automatic dust fall system of concrete mixing plant.

The application provides a pair of automatic dust fall system of concrete mixing plant adopts following technical scheme:

an automatic dust fall system of a concrete mixing plant comprises a mixing main building and a plurality of powder bins, wherein the powder bins are connected with the mixing main building through feed pipes; the stirring main building is characterized in that a dust extraction hole is formed in one side of the stirring main building, an exhaust fan is arranged at the dust extraction hole, a gas collecting pipe is connected to an air outlet of the exhaust fan, and a filtering component, a spraying component and a recycling component are arranged in the gas collecting pipe.

Through adopting above-mentioned technical scheme, carry the powder in each dust storehouse to the inlet pipe through screw conveyer after matching well, reentrant stirring host computer, because the powder drops to the stirring host computer from the eminence, consequently can form the powder raise dust in stirring host computer feed inlet department, the powder also can fly away in the air at stirring host computer operation in-process, the air suction collecting duct that the air exhauster of installation here will contain the powder, filter the powder in the air in the collecting duct simultaneously, spray and retrieve, this process can produce the source at the dust and carry out high-efficient recovery and utilization to the powder, energy-concerving and environment-protective effect has.

Optionally, the gas collecting pipe sets up first lateral duct, second lateral duct and the third lateral duct that connects gradually, first lateral duct one end with the air exhauster is connected, the second lateral duct with filtering component and spray assembly connects, the third lateral duct with retrieve the subassembly and connect.

Through adopting above-mentioned technical scheme, the air that contains the dust gets into the second lateral duct through the air exhauster in the first lateral duct, is filtered the absorption in the second lateral duct, realizes dust and air separation, and the air after the purification and the flowing water that contains the dust get into the third lateral duct, realize drawing air in succession through retrieving the subassembly and filter the back and retrieve the dust.

Optionally, the filter assembly includes a plurality of filter screens for filtering large particle dust, and the filter screens are connected with the gas collecting pipe through a moving member.

Through adopting above-mentioned technical scheme, the air that contains the dust passes through filter plate, and large granule dust is adsorbed and is realized being convenient for to install and dismantle filter plate and discharge through setting up the moving part.

Optionally, the moving member is a moving block, the moving block is fixedly connected with the top end of the filter screen plate, a mounting hole for mounting the filter screen plate is formed in the upper end face of the gas collecting pipe, the opening size of the mounting hole is larger than the cross section size of the filter screen plate, the size of the bottom end face of the moving block is larger than the size of the opening of the mounting hole, and the lower end face of the moving block abuts against the upper end face of the second branch pipe.

By adopting the technical scheme, the filter screen plate penetrates through the mounting hole at the upper end of the gas collecting pipe, and the filter screen plate is driven to move up and down by lifting the moving block, so that the replaceable function of the filter screen plate is realized.

Optionally, the spraying assembly includes a plurality of atomizer nozzles for removing floating particles in air, the atomizer nozzles are connected to a water supply pipe, and the atomizer nozzles are fixedly disposed on the upper end surface of the inner wall of the gas collecting pipe.

Through adopting above-mentioned technical scheme, the air that contains the dust is after the large granule is got rid of, through spraying assembly, and tiny granule is attached to the water smoke, brings to in the third lateral pipe through rivers.

Optionally, the recycling assembly is arranged to be filter cloth, the third branch pipe is arranged in the vertical direction, and the filter cloth is bound to a pipe orifice at the lower end of the third branch pipe through an iron wire.

By adopting the technical scheme, the filter cloth separates fine particles in water flow from the water flow, and the filter cloth is wound and bound outside the opening of the third branch pipe by the iron wire.

Optionally, a water collecting tank for collecting filtered water is arranged at the lower end of the third branch pipe.

Through adopting above-mentioned technical scheme, will smuggle the waste water collection behind the dust through filter screen secretly in the catch basin, realize waste water collection and avoid environmental pollution.

Optionally, a sealing ring is arranged around the edge of the mounting hole, and the sealing ring is extruded and deformed when the filter screen plate is inserted into the second branch pipe.

Through adopting above-mentioned technical scheme, when filter plate installs completely in the gas collecting pipe, because the sealed effect of sealing washer prevents the air leakage, make air exhauster work and the filtration process that contains the dust more high-efficient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the powder is efficiently sucked at the source of dust generation through the exhaust fan, and is filtered and recovered in the gas collecting pipe, so that the device has the effects of high efficiency, energy conservation and environmental protection;

2. the filter screen plate and the filter cloth can be replaced and cleaned, so that filtered dust can be collected more conveniently and rapidly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a filtering assembly, a spraying assembly and a recycling assembly in the embodiment of the present application;

fig. 3 is an exploded view of the structure within the manifold in an embodiment of the present application.

Reference numerals: 1. stirring the main building; 2. a powder bin; 3. a feed pipe; 4. a dust extraction hole; 5. a gas collecting pipe; 6. a water collecting tank; 7. an exhaust fan; 8. a filter screen plate; 9. a moving block; 10. mounting holes; 11. an atomizing spray head; 12. a water supply pipe; 13. filtering cloth; 14. iron wires; 15. a seal ring; 51. A first branch pipe; 52. a second branch pipe; 53. and a third branch pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses automatic dust fall system of concrete mixing plant. Referring to fig. 1, automatic dust fall system of concrete mixing plant includes a plurality of powder storehouses 2 and stirring owner building 1, a plurality of powder storehouses 2 all communicate through inlet pipe 3 with stirring owner building 1, the other end of inlet pipe 3 is connected with screw conveyer, stir the powder at stirring owner building 1, 1 upper end of stirring owner building is provided with the inlet pipe 6 with 3 export intercommunications of screw conveyer, one side of stirring owner building 1 is provided with the dust extraction hole 4 that is used for installing air exhauster 7, dust extraction hole 4 department installs air exhauster 7 that is used for the extraction to contain the dust, the air outlet of air exhauster 7 is connected with the discharge 5 that is used for the dust fall and retrieves the powder, be provided with the filtering component who is used for filtering the recovery in the discharge 5, spray assembly and retrieve the subassembly.

The cross section of the gas collecting pipe 5 is square, the gas collecting pipe is provided with a first branch pipe 51, a second branch pipe 52 and a third branch pipe 53 which are sequentially connected, the first branch pipe 51 is transversely arranged, the first branch pipe 51 is used for being fixedly connected with an exhaust fan and conveying air containing powder to the second branch pipe 52, the second branch pipe 52 is perpendicular to the first branch pipe 51 and inclines downwards along the vertical direction, one side surface of the second branch pipe 52 is fixedly connected with the outer wall of the stirring main building 1, a filtering component and a spraying component are arranged in the second branch pipe, and a recovery component for filtering and recovering is arranged in the third branch pipe 53.

The filter assembly sets up to two filter plate 8 that are arranged in filtering the air large granule, filter plate 8 up end is provided with the moving member that is used for controlling filter plate 8 and removes, the moving member sets up to movable block 9, mounting hole 10 that is used for installing filter plate 8 is offered to the 5 up end of discharge pipe, mounting hole 10 opening size is greater than filter plate 8's cross sectional dimension, the edge of mounting hole 10 encircles and is provided with rubber material's sealing washer 15, when putting into or taking out filter plate 8, sealing washer 15 all can be extrudeed, the bottom end face size of movable block 9 is greater than the opening part size of mounting hole 10, after putting into filter plate 8 in mounting hole 10, the bottom terminal surface of movable block 9 and the up end butt of second branch pipe 52, ensure that mounting hole 10 is sealed.

Spray set sets up behind filter assembly, and spray set includes three atomizer 11 that sets up along second branch pipe 52 length direction, and atomizer 11 sets up at the inside up end of gas collecting pipe 5, and atomizer 11 fixedly connected with delivery pipe 12 supplies pipe 12, and delivery pipe 12 is fixed to be set up at the outer terminal surface in one side that second branch pipe 52 set up atomizer 11.

The recovery assembly is arranged in the third branch collecting pipe 53, the length direction of the third branch pipe 53 is perpendicular to the length direction of the second branch pipe 52 and is arranged along the vertical direction, the recovery assembly is arranged to be used for filtering the filter cloth 13 of powder in water flow, the filter cloth 13 is bound at the outlet of the third branch pipe 53 through an iron wire 14, and the lower end of the third branch port 53 is provided with a water collecting tank 6 used for collecting filtered wastewater.

The implementation principle of the automatic dust fall system of the concrete mixing plant in the embodiment of the application is as follows: the filter screen plate 8 is placed in the second branch pipe 52 through the mounting hole 10, the filter screen plate 8 is sealed with the second branch pipe 52 through the sealing ring 15, the switch of the screw conveyor 3 is turned on, the switch of the exhaust fan 7 is turned on in the powder conveying process, air containing dust is sucked into the gas collecting pipe 5, the air containing dust passes through the filter screen plate 8, the atomizing spray head 11 and the filter cloth 13, large-particle dust is adsorbed on the filter screen plate 8, small particles are left on the filter cloth 13, and recovered water is accumulated in the water collecting tank 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic dust fall system of concrete mixing plant which characterized in that: the powder mixing device comprises a mixing main building (1) and a plurality of powder bins (2), wherein the powder bins (2) are connected with the mixing main building (1) through a feeding pipe (3); stirring owner building (1) one side is provided with takes out dirt hole (4), it is provided with air exhauster (7) to take out dirt hole (4) department, the air outlet department of air exhauster (7) is connected with discharge (5), be provided with filtering component, spray assembly and recovery subassembly in discharge (5).

2. The automatic dust fall system of the concrete mixing plant according to claim 1, characterized in that: gas collecting pipe (5) set up to first branch pipe (51), second branch pipe (52) and third branch pipe (53) that connect gradually, first branch pipe (51) one end with air exhauster (7) are connected, second branch pipe (52) with filtering component and spray assembly connects, third branch pipe (53) with it connects to retrieve the subassembly.

3. The automatic dust fall system of the concrete mixing plant according to claim 2, characterized in that: the filter assembly comprises a plurality of filter screen plates (8) used for filtering large-particle dust, and the filter screen plates (8) are connected with the gas collecting pipe (5) through moving parts.

4. The automatic dust fall system of the concrete mixing plant according to claim 3, characterized in that: the moving piece is arranged to be a moving block (9), the moving block (9) is fixedly connected with the top end of the filter screen plate (8), an installation hole (10) for installing the filter screen plate (8) is formed in the upper end face of the gas collecting pipe (5), the opening size of the installation hole (10) is larger than the cross section size of the filter screen plate (8), the size of the bottom end face of the moving block (9) is larger than the opening size of the installation hole (10), and the lower end face of the moving block (9) is abutted to the upper end face of the second branch pipe (52).

5. The automatic dust fall system of the concrete mixing plant according to claim 1, characterized in that: the spraying assembly comprises a plurality of atomizing nozzles (11) used for removing floating particles in air, the atomizing nozzles (11) are connected with a water supply pipe (12), and the atomizing nozzles (11) are fixedly arranged on the upper end face of the inner wall of the gas collecting pipe (5).

6. The automatic dust fall system of the concrete mixing plant according to claim 2, characterized in that: the recycling assembly is arranged to be filter cloth (13), the third branch pipe (53) is arranged in the vertical direction, and the filter cloth (13) is bound to a lower end pipe opening of the third branch pipe (53) through an iron wire (14).

7. The automatic dust fall system of the concrete mixing plant according to claim 6, characterized in that: a water collecting tank (6) for collecting filtered water is arranged at the lower end of the third branch pipe (53).

8. The automatic dust fall system of the concrete mixing plant according to claim 4, characterized in that: the edge of the mounting hole (10) is provided with a sealing ring (15) in a surrounding mode, and the sealing ring (15) is extruded and deformed when the filter screen plate (8) is inserted into the second branch pipe (52).