CN216395672U - Dust removal system with high negative pressure fan - Google Patents

Abstract

The utility model relates to a dust removal system with a high negative pressure fan, which comprises a dust remover and a fan, wherein the fan comprises a fan shell, and a first sub-fan, a second sub-fan, a third sub-fan and a fourth sub-fan which are arranged in the fan shell, the fan shell is provided with an air inlet and an air outlet, the air inlet of the fan shell is communicated with the air outlet of the dust remover, the air inlets of the first sub-fan and the second sub-fan are communicated with the air inlet of the fan shell, the air outlet of the first sub-fan is communicated with the air inlet of the third sub-fan, the air outlet of the second sub-fan is communicated with the air inlet of the fourth sub-fan, and the air outlets of the third sub-fan and the fourth sub-fan are communicated with the air outlet of the fan shell. According to the utility model, the plurality of sub-fans arranged in the shell are combined in series and parallel, so that the negative pressure of the fans is greatly enhanced, the processing capacity of the dust remover is improved, the purification efficiency of the whole dust removal system is improved, the effects of shock absorption, temperature reduction and noise reduction are obvious, the structure is simple, and the operation is convenient.

Description

A dust removal system with a high negative pressure fan

technical field

The utility model belongs to the technical field of dust removal and purification, in particular to a dust removal system with a high negative pressure fan.

Background technique

In recent years, the requirements for environmental protection and pollution control have become higher and higher. Since the production process of industrial enterprises usually produces waste gas, dust, etc., and the waste gas and dust will cause harm to the human body and production equipment, so the current industrial production usually A dust removal system will be used for purification. A common dust removal system usually includes a dust collector. The air outlet of the dust collector is connected to a negative pressure fan. The negative pressure fan can extract the filtered gas in the dust collector from its outlet.

The negative pressure of the existing negative pressure fan is usually 10kPa, which can meet the performance requirements of the dust collector during the working process, but for some dust removal systems with high processing capacity requirements, the negative pressure value is still low, and the negative pressure fan is in the During use, there are disadvantages such as large vibration and loud noise of the equipment. Long-term work and living in a vibration and noise environment will seriously affect hearing and lead to the occurrence of other diseases, which will seriously affect the physical and mental health of workers. The device has some interference. In addition, the existing negative pressure fan tends to generate high temperature during operation, which greatly reduces the service life.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a dust removal system with a high negative pressure fan, which is used to solve the problem of low purification efficiency of the existing dust removal system.

In order to achieve the above object, the technical scheme adopted by the present utility model is:

A dust removal system with a high negative pressure fan includes a dust collector and a fan, the dust collector has an air inlet and an air outlet, the fan comprises a fan casing, and a fan casing is arranged in the fan casing. The first sub-fan, the second sub-fan, the third sub-fan, and the fourth sub-fan, the fan casing is provided with an air inlet and an air outlet, and the air inlet of the fan casing is the same as the air inlet of the fan casing. The air outlet of the dust collector is connected, and the first sub-fan, the second sub-fan, the third sub-fan and the fourth sub-fan all have an air inlet and an air outlet. The air inlets are all communicated with the air inlet of the fan casing, the air outlet of the first sub-fan is communicated with the air inlet of the third sub-fan, and the air outlet of the second sub-fan is connected to the air inlet of the third sub-fan. The air inlet of the fourth sub-fan communicates with the air outlet of the third sub-fan and the fourth sub-fan communicates with the air outlet of the fan casing.

Preferably, the fan further includes a shock absorbing assembly, and the shock absorbing assembly is provided with a plurality of the shock absorbing assemblies, and a plurality of the shock absorbing assemblies are disposed at the bottom of the fan casing.

Further preferably, the shock absorption assembly includes a spring shock absorber and a rubber pad, one end of the spring shock absorber is connected to the bottom of the fan casing, and the other end of the spring shock absorber is connected to the bottom of the fan casing. is connected with the rubber pad, and the rubber pad forms a support for the fan casing.

Preferably, the fan further comprises an exhaust part, the exhaust part is arranged on the fan casing, and the exhaust part is used to discharge the air in the fan casing; The fan casing is also provided with a supplementary air outlet, and the supplementary air outlet of the fan casing is used to supply air to the inside of the fan casing.

Further preferably, the exhaust member adopts an exhaust fan, and there are multiple exhaust fans, and the multiple exhaust fans are distributed on the side wall of the fan casing; the The supplementary air outlet is opened at the bottom of the fan casing.

Preferably, the fan further includes a soundproof member, the soundproof member is arranged on the inner wall of the fan casing, and the soundproof member is used to absorb the first sub-fan and the second sub-fan , the noise generated by the operation of the third sub-fan and the fourth sub-fan.

Preferably, the fan further includes a rubber soft joint, the rubber soft joint is arranged at the air inlet and air outlet of the fan casing, and the rubber soft joint is used to reduce the size of the fan Noise and vibration during operation.

Preferably, the negative pressure of the fan is at least 60kPa.

Preferably, the specifications and performance parameters of the first sub-fan, the second sub-fan, the third sub-fan, and the fourth sub-fan are the same.

Preferably, the system further comprises a first control valve and a second control valve, the first control valve is arranged between the air outlet of the dust collector and the air inlet of the fan housing, It is used to control the opening and closing of the air outlet of the dust collector; the second control valve is arranged at the air outlet of the fan casing, and is used to control the opening and closing of the air outlet of the fan casing. Opening and closing.

Preferably, the system further includes an exhaust gas purification tower, the exhaust gas purification tower has an air inlet and an air outlet, and the air inlet of the exhaust gas purification tower communicates with the air outlet of the fan housing.

Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art:

The utility model greatly enhances the negative pressure of the fan, improves the processing capacity of the dust collector, improves the purification efficiency of the entire dust removal system, and reduces the shock absorption and temperature reduction by combining the multiple sub-fans arranged in the casing in series and parallel. The noise effect is obvious, which can prevent adverse effects on human health and other equipment, improve the service life, and has a simple structure and convenient operation.

Description of drawings

Accompanying drawing 1 is the overall schematic diagram of the dust removal system of this embodiment;

FIG. 2 is a schematic cross-sectional structure diagram of the fan of the present embodiment.

In the above drawings: 1. Dust collector; 11. Main body of dust collector; 12. Dust collecting part; 13. Explosion venting part; 14. Support part; 2. Fan; 20. Fan casing; 201, Air inlet; 202 , air outlet; 203, air supply outlet; 21, the first sub-fan; 22, the second sub-fan; 23, the third sub-fan; 24, the fourth sub-fan; 25, the rubber soft joint; 26, the damping component; 261 , spring shock absorber; 262, rubber pad; 27, exhaust parts; 28, sound insulation parts; 3, exhaust gas purification tower; 4, the first control valve; 5, the second control valve.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

A dust removal system with a high negative pressure fan, as shown in Figure 1, includes a dust collector 1, a fan 2, an exhaust gas purification tower 3, a first control valve 4 and a second control valve 5, and the dust collector 1 is connected with the fan 2. , the fan 2 is connected to the exhaust gas purification tower 3, where:

The dust collector 1 includes a dust collector main body 11, a dust collecting member 12, an explosion venting member 13, a support member 14 and a filter assembly (not shown in the figure). The dust collector main body 11 is respectively provided with an air inlet, an air outlet, and a filter assembly. It is arranged inside the dust collector main body 11, and is located between the air inlet and the air outlet of the dust collector main body 11; The dust generated; the explosion venting member 13 is arranged on the main body 11 of the dust collector to release the pressure inside the main body 11 of the dust collector to prevent the explosion of the dust collector 1; The device body 11 forms a stable support.

The fan 2 includes a fan casing 20, a first sub-fan 21, a second sub-fan 22, a third sub-fan 23, a fourth sub-fan 24, a rubber soft joint 25, a damping assembly 26 and an exhaust member 27. The sub-fan 21, the second sub-fan 22, the third sub-fan 23, and the fourth sub-fan 24 are all arranged inside the fan casing 20. Specifically:

The fan casing 20 is provided with an air inlet 201 and an air outlet 202. The air inlet 201 of the fan casing 20 is communicated with the air outlet of the dust collector main body 11, and the air outlet 202 of the fan casing 20 is connected to the air outlet of the exhaust gas purification tower 3. The air inlet is communicated.

The specifications and performance parameters of the first sub-fan 21, the second sub-fan 22, the third sub-fan 23, and the fourth sub-fan 24 are exactly the same. The first sub-fan 21, the second sub-fan 22, the third sub-fan 23, the Each of the four sub-fans 24 has an air inlet and an air outlet. The air inlets of the first sub-fan 21 and the second sub-fan 22 are connected with the air inlet 201 of the fan housing 20, that is, the first sub-fan 21 and the second sub-fan 22 are connected in parallel; the outlet of the first sub-fan 21 is connected in parallel. The air outlet is communicated with the air inlet of the third sub-fan 23, and the air outlet of the second sub-fan 22 is communicated with the air inlet of the fourth sub-fan 24, that is, the first sub-fan 21 and the third sub-fan 23 are connected in series, and the second sub-fan The fan 22 and the fourth sub-fan 24 are connected in series; the air outlets of the third sub-fan 23 and the fourth sub-fan 24 are in communication with the air outlet 202 of the fan housing 20 . Through the combination of the above-mentioned parallel connection and series connection, the overall air volume of the fan 2 can be doubled, that is, the purification capacity of the dust collector is doubled, and the negative pressure of the fan 2 can be increased to at least 60kPa.

The rubber soft joints 25 are arranged at the air inlet 201 and the air outlet 202 of the fan housing 20 to reduce the noise and vibration generated when the fan 2 is running. Rubber soft joint 25 is mainly composed of inner and outer rubber layers, cord layers and steel rings to form tubular rubber parts, which are formed by high temperature and high pressure vulcanization and then loosely combined with metal flanges. It can play the role of shock absorption and noise reduction.

The damping assembly 26 is arranged at the bottom of the fan casing 20 to enable the fan 2 to be stably installed on the ground. A plurality of damping assemblies 26 are provided, and the plurality of damping assemblies 26 are distributed around the circumference of the fan housing 20 . In this embodiment, four damping components 26 are provided, and the four damping components 26 are distributed on the four corners of the bottom of the fan housing 20. The damping components 26 include spring dampers 261 and rubber pads 262. One end of the spring shock absorber 261 is connected to the bottom of the fan casing 20 , and the other end of the spring shock absorber 261 is connected to a rubber pad 262 , which forms a support for the fan casing 20 . The spring shock absorber 261 can effectively control the vibration generated during the operation of the fan 2 and prevent the fan casing 20 from being displaced.

The exhaust member 27 is arranged on the fan casing 20, because the fan 2 is prone to high temperature during operation, and the first sub-fan 21, the second sub-fan 22, the third sub-fan 23, and the fourth sub-fan 24 are all arranged in Inside the fan housing 20, the high internal temperature will shorten the service life of the fan 2, so an exhaust part 27 is provided on the fan housing 20, and the exhaust part 27 is used to discharge the high temperature air in the fan housing 20 . The fan housing 20 is also provided with a supplementary air outlet 203, and the supplementary air outlet 203 of the fan housing 20 is used to supplement room temperature air to its interior. When the exhaust piece 27 discharges the high-temperature air, a negative pressure is formed inside the fan housing 20. , the room temperature air will automatically flow into the fan housing 20 from the air supply port 203 to form an air circulation to achieve the purpose of cooling. In this embodiment: the exhaust member 27 adopts an exhaust fan, and there are multiple exhaust fans, and the multiple exhaust fans are distributed on the side wall of the fan housing 20; bottom of.

The sound insulation member 28 is arranged on the inner wall of the fan housing 20 , and the sound insulation member 28 is used to absorb the noise generated when the first sub-fan 21 , the second sub-fan 22 , the third sub-fan 23 , and the fourth sub-fan 24 operate. In this embodiment, the sound-absorbing cotton is used for the sound insulation member 28, and the entire inner wall of the fan housing 20 is pasted with the sound-absorbing cotton.

The exhaust gas purification tower 3 is used to purify harmful substances in the gas discharged from the air outlet 202 of the fan casing 20. The exhaust gas purification tower 3 has an air inlet and an air outlet, and the air inlet of the exhaust gas purification tower 3 is connected to the fan casing. The air outlet 202 of the 20 is connected, and the air outlet of the exhaust gas purification tower 3 discharges the purified gas to the atmosphere.

The first control valve 4 is arranged between the air outlet of the dust collector 1 and the air inlet 201 of the fan housing 20 , and is used to control the opening and closing of the air outlet of the dust collector 1 . The second control valve 5 is disposed at the air outlet 202 of the fan casing 20 , and is used to control the opening and closing of the air outlet 202 of the fan casing 20 .

During the working process of this example:

The exhaust gas and dust generated in industrial production flow in from the air inlet of the main body 11 of the dust collector, and after being filtered and purified by the filter component, flow out from the outlet of the main body 11 of the dust collector under the action of negative pressure, and the negative pressure is generated by the fan 2, that is, the setting The first sub-fan 21, the second sub-fan 22, the third sub-fan 23, and the fourth sub-fan 24, which are combined in series and parallel inside the fan housing 20, work at the same time, resulting in a high negative pressure and a large air volume, so that the dust can be removed. The purification capacity of the filter 1 is doubled; the gas filtered and purified by the inner filter component of the dust collector body 11 flows from the air outlet of the dust collector body 11 to the air inlet of the fan housing 20, and then from the fan housing 20 The air outlet of the exhaust gas purification tower 3 flows to the air inlet of the exhaust gas purification tower 3, and the exhaust gas purification tower 3 purifies it and discharges it into the air; and because the shock absorption assembly 26, the exhaust part 27 and the sound insulation part 28 are provided, the fan 2 is working During the process, the effect of shock absorption, cooling and noise reduction is obvious.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a dust pelletizing system with high negative pressure fan, includes dust remover, fan, the dust remover have air inlet, gas outlet, its characterized in that: the fan comprises a fan shell, and a first sub-fan, a second sub-fan, a third sub-fan and a fourth sub-fan which are arranged in the fan shell, wherein an air inlet and an air outlet are formed in the fan shell, the air inlet of the fan shell is communicated with the air outlet of the dust remover, the first sub-fan, the second sub-fan, the third sub-fan and the fourth sub-fan are respectively provided with an air inlet and an air outlet, the air inlets of the first sub-fan and the second sub-fan are respectively communicated with the air inlet of the fan shell, the air outlet of the first sub-fan is communicated with the air inlet of the third sub-fan, the air outlet of the second sub-fan is communicated with the air inlet of the fourth sub-fan, and the air outlets of the third sub-fan and the fourth sub-fan are respectively communicated with the air outlet of the fan shell.

2. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the fan still include damper, damper be provided with a plurality ofly, a plurality ofly damper set up the bottom of fan casing.

3. The dust pelletizing system with high negative pressure fan of claim 2, characterized in that: the damping assembly comprises a spring damper and a rubber pad, one end of the spring damper is connected with the bottom of the fan shell, the other end of the spring damper is connected with the rubber pad, and the rubber pad supports the fan shell.

4. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the fan also comprises an exhaust piece, the exhaust piece is arranged on the fan shell, and the exhaust piece is used for exhausting air in the fan shell; the fan shell is also provided with an air supplementing opening, and the air supplementing opening of the fan shell is used for supplementing air to the inside of the fan shell.

5. The dust pelletizing system with high negative pressure fan of claim 4, characterized in that: the exhaust part adopts a plurality of exhaust fans, and the exhaust fans are distributed on the side wall of the fan shell; the air supply opening is formed in the bottom of the fan shell.

6. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the fan further comprises a sound insulation piece, the sound insulation piece is arranged on the inner wall of the fan shell, and the sound insulation piece is used for absorbing noise generated by the operation of the first sub-fan, the second sub-fan, the third sub-fan and the fourth sub-fan.

7. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the fan further comprises a rubber soft joint, the rubber soft joint is arranged at the air inlet and the air outlet of the fan shell, and the rubber soft joint is used for reducing noise and vibration during operation of the fan.

8. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the negative pressure of the fan is at least 60 kPa.

9. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the system also comprises a first control valve and a second control valve, wherein the first control valve is arranged between the air outlet of the dust remover and the air inlet of the fan shell and is used for controlling the opening and closing of the air outlet of the dust remover; the second control valve is arranged at the air outlet of the fan shell and used for controlling the opening and closing of the air outlet of the fan shell.

10. The dust pelletizing system with high negative pressure fan of claim 1, characterized in that: the system also comprises a waste gas purification tower, wherein the waste gas purification tower is provided with a gas inlet and a gas outlet, and the gas inlet of the waste gas purification tower is communicated with the gas outlet of the fan shell.

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