CN219483721U

CN219483721U - Dust collecting device and mixing plant

Info

Publication number: CN219483721U
Application number: CN202320082072.XU
Authority: CN
Inventors: 李旭; 朱双明; 聂拓
Original assignee: Changde Sany Machinery Co Ltd
Current assignee: Changde Sany Machinery Co Ltd
Priority date: 2023-01-11
Filing date: 2023-01-11
Publication date: 2023-08-08
Anticipated expiration: 2033-01-11

Abstract

The utility model provides a dust collection device and a stirring station, and relates to the technical field of engineering machinery. According to the dust collection device disclosed by the utility model, dust gas in the stirrer is sucked away by the dust collection mechanism through the dust collection pipe, the dust air is pressurized by the dust collection fan of the dust collection mechanism and then reversely blown to the stirrer through the back blowing pipe, and the reversely blown high-pressure gas promotes the airflow in the stirrer to flow to the dust collection port, so that the gas flow rate in the stirrer is accelerated, the dust collection effect is improved, the air quantity with trace dust which is directly discharged to the atmosphere after dust collection is greatly reduced, and the environmental friendliness of a stirring station is further improved.

Description

Dust collecting device and mixing plant

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a dust collection device and a stirring station.

Background

With the popularization of the monitoring technology, the monitoring technology of installing a camera on a concrete mixer to monitor the mixing process and the mixing quality of the concrete is gradually popularized, so that higher requirements are put on the dust concentration in the mixer. The existing stirrer is generally provided with a dust collection port and a gas supply port, the dust collection port is connected with a dust collection box, the dust collection box pumps away air in the stirrer to enable negative pressure to be generated in the stirrer, air outside the stirrer is sucked from the gas supply port, air on a gas circuit between the dust collection port and the gas supply port flows faster, air in the stirrer, which is far away from the gas circuit, flows slower, air dust far away from the gas circuit diffuses to all areas inside the stirrer, the integral dust collection effect in the stirrer is poor, and the problems that the video monitoring effect is affected and the like are further caused.

Disclosure of Invention

The utility model aims to solve the technical problem that the existing stirrer is poor in dust collection effect.

In one aspect, the utility model provides a dust collection device which comprises a dust collection mechanism, a dust collection pipe and a back blowing pipe, wherein the dust collection mechanism comprises a dust collection box and a dust collection fan communicated with the dust collection box, the dust collection box is used for being connected with one end of a stirrer of a stirring station through the dust collection pipe, and the dust collection fan is used for being connected with the other end of the stirrer through the back blowing pipe.

Optionally, the blowback pipe includes blowback house steward and a plurality of blowback branch pipe, the one end of blowback house steward with the dust collection fan is connected, the other end of blowback house steward is through parallelly connected a plurality of the blowback branch pipe that sets up with the mixer is connected.

Optionally, a first regulating valve is arranged on the back-blowing main pipe; and/or each back-blowing branch pipe is provided with a second regulating valve.

Optionally, the dust collecting device further comprises an air supplementing pipe, and the air supplementing pipe is used for being communicated with the stirrer.

Optionally, the mixer is last to be equipped with blowback pipe connector and air compensating mouth, the blowback pipe keep away from the one end of dust removal fan be used for with the blowback pipe connector is connected, the air compensating pipe be used for with the air compensating mouth is connected, the air compensating mouth with the blowback pipe connector is located the same one side of mixer.

Optionally, a third regulating valve is arranged on the air supplementing pipe.

Optionally, the dust collecting device further comprises an exhaust three-way pipe, one end of the dust collecting fan is connected with the first end of the exhaust three-way pipe, the second end of the exhaust three-way pipe is connected with the blowback pipe, and the third end of the exhaust three-way pipe is used for being connected to the atmosphere.

Optionally, a fourth regulating valve is arranged at the third end of the exhaust three-way pipe.

On the other hand, the utility model also provides a stirring station which comprises a stirrer and the dust collection device, wherein the dust collection device is connected with the stirrer. The advantages of the mixing station over the prior art are the same as the dust collection device described above and will not be repeated here.

Optionally, the mixing station further comprises a camera, and the camera is installed at one end, far away from the mixer, of the air supplementing pipe of the dust collecting device.

According to the dust collecting device disclosed by the utility model, dust gas in the stirrer is sucked into the dust collecting box of the dust collecting mechanism through the dust collecting pipe, the gas in the dust collecting box is pressurized by the dust collecting fan after being filtered and then blown into the stirrer again through the blowback pipe, so that the gas can be recycled, and the gas which is drained and blown back again can promote all the gas in the stirrer to flow in an accelerating way due to certain air pressure and flow towards a dust collecting port with lower air pressure (namely the position where the dust collecting pipe is connected with the stirrer), so that the dust-carrying air can be pumped away by the dust collecting mechanism quickly, the dust collecting effect is improved, and the video monitoring effect is further ensured. Meanwhile, the air with the trace dust after dust collection by the dust collection device is reversely blown into the stirrer for recycling, so that the air quantity (the discharged air with the trace dust after dust collection) in the atmosphere of the stirring station is directly discharged by the dust collection device, the environment friendliness of the stirring station is improved.

Drawings

FIG. 1 is a schematic diagram of a mixing plant according to an embodiment of the utility model;

fig. 2 is a schematic structural view of a stirring station according to another embodiment of the present utility model.

Reference numerals illustrate:

1. a dust collection mechanism; 11. a dust collection box; 12. a dust collection fan; 2. a dust collection pipe; 3. a blowback pipe; 31. a back flushing main pipe; 311. a first regulating valve; 32. blowback branch pipe; 321. a second regulating valve; 4. an air supplementing pipe; 41. a third regulating valve; 5. an exhaust tee; 51. a fourth regulating valve; 6. a stirrer; 61. a blowback pipe connection port; 62. an air supplementing port; 7. and a camera.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, coordinate system XYZ is established, wherein the forward direction of the X-axis represents the front, the reverse direction of the X-axis represents the rear, the forward direction of the Y-axis represents the left, the reverse direction of the Y-axis represents the right, the forward direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom.

The solid thick arrows and the open thick arrows as shown in fig. 1-2 respectively indicate the flow direction of the air flow.

As shown in fig. 1-2, the dust collecting device of the embodiment of the utility model comprises a dust collecting mechanism 1, a dust collecting pipe 2 and a blowback pipe 3, wherein the dust collecting mechanism 1 comprises a dust collecting box 11 and a dust collecting fan 12 communicated with the dust collecting box 11, the dust collecting box 11 is used for being connected with one end of a stirrer 6 of a stirring station through the dust collecting pipe 2, and the dust collecting fan 12 is used for being connected with the other end of the stirrer 6 through the blowback pipe 3.

In this embodiment, the dust collection box 11 may be of any shape, preferably, the bottom of the dust collection box 11 may be tapered, dust air is filtered in the dust collection box 11, the gas above enters the dust collection fan 12, and the dust below flows back to the stirrer 6 for secondary stirring.

Dust gas in the stirrer 6 is sucked into a dust collecting box 11 of the dust collecting mechanism 1 through the dust collecting pipe 2, the gas in the dust collecting box 11 is discharged through a dust collecting fan 12 after being filtered, the discharged air has certain pressure, and is purged to the stirrer 6 again through the back blowing pipe 3, so that the recycling of the gas is realized, and the gas which is re-introduced and back blown can blow all the gas in the stirrer 6 due to certain air pressure, so that the mixing effect of dust and back blowing air is realized, the mixed air flows towards a dust collecting port (namely the position where the dust collecting pipe is connected with the stirrer) with lower air pressure, the dust is promoted to be pumped away by the dust collecting mechanism 1, the dust collecting effect is improved, and further the video monitoring effect is ensured.

Here, the connection position of the dust collecting pipe 2 and the stirrer 6 and the connection position of the blowback pipe 3 and the stirrer 6 are located on different sides of the stirrer 6, and may be opposite sides or adjacent sides, preferably, opposite sides are installed, which is beneficial to forming air convection in the stirrer 6 and accelerating the overall fluidity of the gas in the stirrer 6.

The lower space of the stirrer 6 is generally used for stirring, and the generated dust air floats above, and the dust collecting pipe 2 and the blowback pipe 3 should be communicated with the upper space of the stirrer 6.

As shown in fig. 2, optionally, the blowback pipe 3 includes a blowback main pipe 31 and a plurality of blowback branch pipes 32, one end of the blowback main pipe 31 is connected with the dust collection fan 12, and the other end of the blowback main pipe 31 is connected with the stirrer 6 through a plurality of blowback branch pipes 32 arranged in parallel.

In this embodiment, the blowback main pipe 31 is configured to guide the air flow blown out by the dust collecting fan 12 to the blowback branch pipes 32, where 1, two, three, etc. blowback branch pipes 32 may be provided, and each blowback branch pipe 32 may be disposed on the same side of the mixer 6 in an array, or may be disposed on different sides of the mixer 6 at intervals, and blow air from different directions into the mixer 6, so as to promote the air flow.

One end of each blowback branch pipe 32 is connected to the blowback main pipe 31, and the other end is connected to the stirrer 6. Here, the diameter of the back-blowing header pipe 31 is generally larger than the diameter of the back-blowing branch pipes 32, and the diameters of the back-blowing branch pipes 32 may be the same or different, and are reasonably selected according to different blowing amount requirements of each part.

As shown in fig. 2, optionally, a first regulating valve 311 is disposed on the blowback main pipe 31; and-

Or, each blowback branch pipe 32 is provided with a second regulating valve 321.

In the present embodiment, the air amount in the blowback main pipe 31 is adjusted by the opening degree of the first adjusting valve 311; the opening of the second regulating valve 321 can be adjusted by the opening of the second regulating valve 321, so that the opening of the second regulating valve 321 for controlling each blowback branch pipe 32 can be the same or different, and the opening of the second regulating valve 321 can be reasonably adjusted according to the opening of different positions in the stirrer 6.

As shown in fig. 2, the dust collection device optionally further comprises a gas supplementing pipe 4, wherein the gas supplementing pipe 4 is used for communicating with the stirrer 6.

In this embodiment, the air supplementing pipe 4 may be connected to the atmosphere, and the air supplementing pipe 4 is used to supplement fresh air into the mixer 6, and under the negative pressure of the dust collecting fan 12, the fresh air flows toward the dust collecting port, and the observation effect is good because the dust content of the fresh air is very low. As shown in fig. 2, optionally, the stirrer 6 is provided with a blowback pipe connection port 61 and a blowback pipe connection port 62, one end of the blowback pipe 3, which is far away from the dust collection fan 12, is used for being connected with the blowback pipe connection port 61, the air supply pipe 4 is used for being connected with the air supply port 62, and the air supply port 62 and the blowback pipe connection port 61 are located on the same side of the stirrer 6.

In this embodiment, the blowback pipe connection port 61 and the air compensating port 62 are located on the same side of the mixer 6, the air in the blowback pipe 3 is blown out after being pressurized by the dust collecting fan 12, and has a certain pressure, the air supplemented by the air compensating pipe 4 can flow to one side of the dust collecting port under the stirring of the blowback high-pressure air, so as to promote the mixing of the dust-carrying air and the blowback air in the mixer 6, and be favorable for driving the dust air to be pumped away by the dust collecting box 11 quickly, so as to achieve the effect of high dust removal.

As shown in fig. 2, optionally, a third adjusting valve 41 is provided on the air compensating pipe 4.

In this embodiment, the opening and closing time and opening and closing opening of the third regulating valve 41 may be adjusted according to the observation requirement, so that the amount of the air supply may be adjusted.

As shown in fig. 1-2, optionally, the dust collecting device further comprises an exhaust three-way pipe 5, a first end of the dust collecting fan 12 is connected with one end of the exhaust three-way pipe 5, a second end of the exhaust three-way pipe 5 is connected with the blowback pipe 3, and a third end of the exhaust three-way pipe 5 is used for being connected to the atmosphere.

In this embodiment, a part of the gas discharged from the dust collection fan 12 is directly blown to the atmosphere through the exhaust three-way pipe 5, and the other part is redirected back into the stirrer 6 through the back-blowing pipe 3, and the amount of the gas discharged from the direct discharge port and the amount of the back-blowing gas in the back-blowing pipe 3 are adjusted according to the requirements. Because part of the air of the dust collecting box 11 is recycled through back blowing, the air quantity directly discharged to the atmosphere is greatly reduced, and the environmental protection performance of the stirring station is improved.

As shown in fig. 1-2, optionally, the third end of the exhaust tee 5 is provided with a fourth regulator valve 51.

In the present embodiment, by adjusting the opening degree of the fourth adjusting valve 51, the amount of gas directly discharged from the dust collection blower 12 to the atmosphere can be adjusted.

The first regulating valve 311, the second regulating valve 321, the third regulating valve 41, and the fourth regulating valve 51 may be mechanical valves or electromagnetic valves.

As shown in fig. 1-2, another embodiment of the present utility model provides a stirring station, which comprises a stirrer 6 and the dust collection device, wherein the dust collection device is connected with the stirrer 6. In this embodiment, the advantages of the stirring station compared with the prior art are the same as those of the dust collecting device, and the description will not be repeated.

As shown in fig. 1-2, the mixing plant optionally further comprises a camera 7, said camera 7 being mounted at the end of the air supply duct 4 of the dust collection device remote from the mixer 6.

In this embodiment, the camera 7 can directly adopt prior art, the camera 7 is used for observing the stirring condition of concrete in the mixer 6, because the moisturizing is fresh air in the moisturizing pipe 4, sets up the inlet end at the moisturizing pipe 4, can guarantee that the camera 7 is in comparatively clean environment, can not be sheltered from by the dust, and the video effect of making a video recording is better.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides a dust arrester installation, its characterized in that includes dust collection mechanism (1), dust collection pipe (2) and blowback pipe (3), dust collection mechanism (1) include dust collection case (11) and with dust collection fan (12) that dust collection case (11) are linked together, dust collection case (11) are used for through dust collection pipe (2) are connected with the one end of mixer (6) of stirring station, dust collection fan (12) are used for through blowback pipe (3) with the other end of mixer (6) is connected.

2. The dust collection device according to claim 1, wherein the blowback pipe (3) comprises a blowback main pipe (31) and a plurality of blowback branch pipes (32), one end of the blowback main pipe (31) is connected with the dust collection fan (12), and the other end of the blowback main pipe (31) is connected with the stirrer (6) through the plurality of blowback branch pipes (32) arranged in parallel.

3. The dust collection device according to claim 2, wherein the blowback header pipe (31) is provided with a first regulating valve (311); and/or, each back-blowing branch pipe (32) is provided with a second regulating valve (321).

4. The dust collection device according to claim 1, further comprising a gas supplementing tube (4), the gas supplementing tube (4) being adapted to communicate with the stirrer (6).

5. The dust collection device according to claim 4, wherein a blowback pipe connection port (61) and a gas-supplementing port (62) are arranged on the stirrer (6), one end of the blowback pipe (3) away from the dust collection fan (12) is used for being connected with the blowback pipe connection port (61), the gas-supplementing pipe (4) is used for being connected with the gas-supplementing port (62), and the gas-supplementing port (62) and the blowback pipe connection port (61) are located on the same side of the stirrer (6).

6. The dust collecting device according to claim 4, characterized in that a third regulating valve (41) is provided on the air supply pipe (4).

7. The dust collection device according to claim 1, further comprising an exhaust tee (5), one end of the dust collection fan (12) being connected to a first end of the exhaust tee (5), a second end of the exhaust tee (5) being connected to the blowback pipe (3), a third end of the exhaust tee (5) being adapted to be connected to the atmosphere.

8. The dust collector of claim 7, wherein the third end of the exhaust tee (5) is provided with a fourth regulating valve (51).

9. A mixing plant, characterized by comprising a mixer (6) and a dust collecting device according to any one of claims 1-8, which dust collecting device is connected to the mixer (6).

10. A mixing plant according to claim 9, further comprising a camera (7), the camera (7) being mounted at the end of the dust collector's air supply pipe (4) remote from the mixer (6).