CN213699291U

CN213699291U - A ventilation dust collecting equipment for exhaust-gas treatment

Info

Publication number: CN213699291U
Application number: CN202022525634.2U
Authority: CN
Inventors: 王维海; 王胜柏
Original assignee: Tianjin Rikang Environmental Protection Equipment Co ltd
Current assignee: Tianjin Rikang Environmental Protection Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-16
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to a ventilation dust collecting equipment for exhaust-gas treatment. The ventilating cabinet comprises a supporting table board, wherein a ventilating cabinet body is fixedly connected to the supporting table board, the front side of the ventilating cabinet body is open, a lifting door is arranged at the opening, and a door lifting structure is arranged on the ventilating cabinet body; the inner cavity of the ventilation cabinet body is fixedly connected with a partition plate, the partition plate divides the inner cavity of the ventilation cabinet body into a preposed chamber and a dust chamber, an air outlet pipe orifice communicated with the dust chamber is arranged on the ventilation cabinet body, and a fan is arranged on the air outlet pipe orifice; a window is arranged on the partition plate, and a dust removal device is arranged at the window; the dust removal device comprises a wet curtain assembly structure fixedly connected with a partition plate, a water inlet cache shell and a water outlet cache shell are respectively installed on the upper portion and the lower portion of the wet curtain assembly structure, a water inlet pipe and a water outlet pipe are respectively installed on the water inlet cache shell and the water outlet cache shell, and the dust removal device further comprises a water circulation system. The utility model discloses can remove dust to gas and carry to the subsequent handling equipment, possess the leading dust removal throughput to waste gas.

Description

A ventilation dust collecting equipment for exhaust-gas treatment

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, especially, relate to a ventilation dust collecting equipment for exhaust-gas treatment.

Background

Waste gas treatment is one of the important contents in modern industry, and with the establishment of environmental protection policies and the increasing requirements of people on environmental cleanliness, the waste gas treatment technology is also increasing. In industrial facilities that generate exhaust gas, the required purification treatment of exhaust gas before discharge is required to meet the requirements, and the addition of a complete set of exhaust gas treatment equipment is an important means for meeting the exhaust gas emission requirements.

The waste gas treatment is generally divided into inorganic waste gas treatment and organic waste gas treatment, the inorganic waste gas treatment is generally carried out by a spraying method and a water washing method, and the organic waste gas treatment is generally carried out by a condensation method, an adhesion method, an absorption method, a catalytic combustion method and the like. The inorganic waste gas mainly comes from nitrogenous phosphatic fertilizer, inorganic salt, nitric oxide, dust-containing waste gas such as oxidized dust waste gas in the process of various metal exercises, stone dust waste gas in the process of ore processing and the like, and the organic waste gas mainly comes from waste gas generated in the petrochemical industry, waste gas generated by organic synthesis reaction, waste gas generated by printing equipment, waste gas generated by spray painting in the mechanical industry and the like.

In the treatment process, when the waste gas contains dust particles, the waste gas containing dust is generally required to be subjected to pretreatment. Since the dust and particulate matter content of the dust-laden exhaust gas can easily cause clogging of some components of the exhaust gas treatment device, the treatment capacity of the exhaust gas treatment device is greatly compromised or, in extreme cases, completely lost when the core treatment components become clogged with the flow of the exhaust gas. The aforementioned problems are solved by a pre-aeration dedusting treatment of the dusty exhaust gas, wherein the pre-aeration dedusting device in the prior art is complicated in structure, and is usually tightly connected with a subsequent treatment device, so that the device is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a ventilation dust collecting equipment for exhaust-gas treatment that structural design is reasonable, maintain convenient, strong to the dust removal purification ability of waste gas.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a ventilation and dust removal device for waste gas treatment comprises a supporting table board, wherein a ventilation cabinet body is fixedly connected to the supporting table board, the front side of the ventilation cabinet body is open, a lifting door is slidably mounted at the open, and a door lifting structure for driving the lifting door to longitudinally move is arranged on the ventilation cabinet body; the inner cavity of the ventilation cabinet body is fixedly connected with a partition plate, the partition plate divides the inner cavity of the ventilation cabinet body into a preposed chamber and a dust chamber, an air outlet pipe orifice communicated with the dust chamber is arranged on the ventilation cabinet body, and a fan is arranged on the air outlet pipe orifice; a window is arranged on the partition plate, and a dust removal device is arranged at the window; the dust removal device comprises a wet curtain assembly structure fixedly connected with a partition plate, a water inlet cache shell and a water outlet cache shell are respectively installed on the upper portion and the lower portion of the wet curtain assembly structure, a water inlet pipe and a water outlet pipe are respectively installed on the water inlet cache shell and the water outlet cache shell, and the dust removal device further comprises a water circulation system.

The utility model has the advantages that:

the utility model provides a ventilation and dust removal equipment for exhaust-gas treatment, through setting up the fume hood body, for dusty waste gas provides a accommodation space, the messenger gets into the internal dusty waste gas of fume hood and obtains a cushioning effect. Through set up overhead door and door elevation structure on the ventilation cabinet body, can realize opening and closing operation of whole equipment through the control to the overhead door.

Through setting up dust collector, can remove dust to dirty waste gas, water circulating system can form even thin rivers on wet curtain assembly structure, and the dust in the waste gas is kept apart the back by the rivers and is taken to the outside, and the waste gas after the operation of removing dust gets into the clean room and discharges to the external portion of ventilation cabinet. The utility model discloses be convenient for set up the position that takes place at waste gas with a unit mount, realize the effect to the collection of waste gas, ventilation drainage and dust removal, through getting rid of the dust that contains in the waste gas, produce certain guard action to subsequent processing apparatus. The utility model discloses from the unit of one-tenth, be convenient for maintain, it is strong to the dust removal purification ability of waste gas.

Preferably: the wet curtain assembly structure comprises a wet curtain assembly frame, wherein a plurality of groups of water permeable holes are formed in the top of the wet curtain assembly frame, a notch is formed in the bottom of the wet curtain assembly frame, and wet curtain paper penetrates through the notch; and the bottom of the wet curtain assembling frame is provided with an installing supporting plate for supporting wet curtain paper.

Preferably: and the partition plate is provided with an air equalizing device which is arranged corresponding to the dust removing device.

Preferably: the door lifting structure comprises a driven wheel component and a driving wheel component which are connected with the ventilation cabinet body in parallel, a connecting chain is arranged on the driven wheel component and the driving wheel component in a transmission way, a balancing weight is arranged at one end of the connecting chain, and the other end of the connecting chain is connected with the lifting door; the ventilating cabinet also comprises a lifting motor connected with the ventilating cabinet body, and a lifting transmission pair is arranged between an output shaft of the lifting motor and the driving wheel component.

Preferably: the driving wheel assembly comprises a driving shaft which is rotatably connected with the ventilation cabinet body, and a driving chain wheel is mounted on the driving shaft in a key mode; the driven wheel assembly comprises a driven shaft which is rotationally connected with the ventilation cabinet body, and a driven chain wheel is keyed on the driven shaft; the driving shaft and the driven shaft are arranged in parallel, and the lifting transmission pair is connected with the driving shaft; the driving chain wheel and the driven chain wheel are in transmission connection with the connecting chain.

Preferably: the lifting transmission pair adopts a chain wheel transmission pair.

Preferably: the upper part of the front side opening of the ventilation cabinet body is provided with a front baffle plate matched with the lifting door.

Preferably: the top of the inner cavity of the ventilation cabinet body is provided with a lighting lamp.

Preferably: the side wall of the ventilation cabinet body is fixedly connected with a door guide piece used for guiding the lifting door, and edges on two sides of the lifting door are embedded into the door guide piece and are in sliding connection with the door guide piece.

Preferably: the water circulation system comprises a water circulation pump connected with the water inlet pipe through a liquid pipeline, and the water circulation pump is connected with an external water source through a liquid pipeline; the water outlet pipe is connected with an external water source through a liquid pipeline.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic perspective view of the dust removing device of the present invention;

fig. 3 is a schematic perspective view of the wet curtain assembly structure of the present invention.

In the figure: 1. a ventilated cabinet body; 1-1, an air outlet pipe orifice; 1-2, a front chamber; 1-3, a dust removal chamber; 2. a dust removal device; 2-1, a water inlet cache shell; 2-2, a water inlet pipe; 2-3, a wet curtain assembly structure; 2-3-1, assembling a wet curtain assembly frame; 2-3-2, water permeable holes; 2-3-3, wet curtain paper; 2-3-4, mounting a supporting plate; 2-4, a water outlet cache shell; 2-5, a water outlet pipe; 3. a wind equalizing device; 4. a partition plate; 5. a front baffle; 6. an illuminating lamp; 7. a balancing weight; 8. a driven wheel assembly; 9. connecting a chain; 10. a lifting transmission pair; 11. a drive wheel assembly; 12. a lifting motor; 13. a door guide; 14. a lift gate; 15. and supporting the table top.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the ventilation and dust removal equipment for waste gas treatment of the present invention includes a supporting table 15, a ventilation cabinet 1 is fixedly connected to the supporting table 15, a lifting door 14 is slidably mounted at an opening of the front side of the ventilation cabinet 1, a door guide 13 for guiding the lifting door 14 is fixedly connected to a side wall of the ventilation cabinet 1, and both side edges of the lifting door 14 are embedded into the door guide 13 and slidably connected to the door guide 13. An elastic buffer member having a bent structure is attached to the bottom of the lift gate 14, and a buffer block made of rubber is attached to the lower side of the elastic buffer member.

As shown in fig. 1, a door lifting structure for driving a lifting door 14 to move longitudinally is provided on the cabinet 1. In this embodiment, the door lifting structure includes a driven wheel assembly 8 and a driving wheel assembly 11 connected in parallel at the top of the ventilated cabinet 1. The driving wheel assembly 11 comprises a driving shaft which is rotatably connected with the ventilation cabinet body 1 through a seat type bearing, driving chain wheels are installed on the driving shaft in a key mode, and the driving chain wheels are provided with two groups. The driven wheel assembly 8 comprises a driven shaft which is rotationally connected with the ventilated cabinet body 1 through a seat type bearing, driven chain wheels are arranged on the driven shaft in a key mode, and two groups of driven chain wheels are arranged; the driving shaft and the driven shaft are arranged in parallel.

As shown in fig. 1, the driven wheel assembly 8 and the driving wheel assembly 11 are provided with two sets of connecting chains 9, and the driving sprocket in the driving wheel assembly 11 and the driven sprocket in the driven wheel assembly 8 are both in transmission connection with the connecting chains 9 correspondingly arranged. In this embodiment, a weight 7 is installed at one end of the connecting chain 9, and the other end of the connecting chain 9 is connected to the lift gate 14. The door elevation structure still includes the elevator motor 12 of connecting on the ventilation cabinet body 1, installs the vice 10 of lift transmission between the output shaft of elevator motor 12 and action wheel subassembly 11, and in this embodiment, the vice 10 of lift transmission adopts the sprocket feed to be vice, and the sprocket feed is vice including the driven sprocket with the driving shaft key-type connection in the action wheel subassembly 11, still includes the driving sprocket who connects on elevator motor 12's output shaft, and the chain is installed in the transmission between driving sprocket and driven sprocket.

But 14 lifts of automatic drive overhead door through setting up a elevation structure, and then the automatic start-stop ventilation cabinet body 1, the vice 10 operation of lifting transmission can be driven in the lift motor 12 start-up, the vice 10 operation of lifting transmission can drive action wheel subassembly, action wheel subassembly 11 can drive the operation of connecting chain 9 with from the combined action of driving wheel subassembly 8, and then 14 longitudinal movement of overhead door that drive connecting chain 9 connects, realized opening of electronic mode, make things convenient for personnel to operate. In addition, the counterweight block 7 is arranged at the other end of the connecting chain 9, so that the lifting motor 12 can conveniently drive the lifting door 14 to lift, and the lifting door 14 is prevented from falling due to other external reasons.

As shown in fig. 1, a front flap 5 engaged with the lift door 14 is mounted on an upper portion of the front opening of the ventilation cabinet 1, and a lower end portion of the front flap 5 is in rolling contact with an inner side surface of the lift door 14.

A partition plate 4 is fixedly connected with the inner cavity of the ventilation cabinet body 1, and the partition plate 4 is fixedly connected with the ventilation cabinet body 1 through angle steel/C-shaped steel; the partition plate 4 divides the inner cavity of the ventilation cabinet body 1 into a front chamber 1-2 and a dust removal chamber 1-3, in order to facilitate an operator to inspect the inside of the ventilation cabinet body, the top of the inner cavity of the ventilation cabinet body 1 is provided with an illuminating lamp 6, and the illuminating lamp 6 is positioned in the front chamber 1-2. An air outlet pipe orifice 1-1 communicated with a dust removal chamber 1-3 is arranged on the ventilation cabinet body 1, and an air pipeline and a fan are arranged on the air outlet pipe orifice 1-1.

As shown in fig. 1, a window is opened on the partition plate 4 and a dust removing device 2 is installed at the window; in this embodiment, the air equalizing device 3 corresponding to the dust removing device 2 is installed on the partition plate 4, the air equalizing device 3 can be an air equalizing assembly in the prior art, and mainly comprises an installation frame and a plurality of groups of splitter plates fixedly connected inside the installation frame, and the airflow can relatively uniformly pass through each splitter plate.

It is worth noting that a plurality of windows can be arranged on the partition plate 4, and each window is provided with the dust removal device 2 and the air equalizing device 3, so that the dust removal capacity of the equipment can be improved by arranging a plurality of groups of dust removal devices 2 and air equalizing devices 3.

As shown in FIG. 2, in the present embodiment, the dust removing device 2 includes a wet curtain assembly structure 2-3, and the wet curtain assembly structure 2-3 is fixedly connected to the air equalizing device 3. Further referring to fig. 3, the wet curtain assembly structure 2-3 comprises a wet curtain assembly frame 2-3-1, wherein the top of the wet curtain assembly frame 2-3-1 is provided with a plurality of groups of water permeable holes 2-3-2, the bottom of the wet curtain assembly frame is provided with a notch, and wet curtain paper 2-3-3 penetrates through the notch; the bottom of the wet curtain assembly frame 2-3-1 is provided with an installation supporting plate 2-3-4 for supporting the wet curtain paper 2-3-3.

As shown in figure 2, a water inlet buffer shell 2-1 and a water outlet buffer shell 2-4 are respectively arranged at the upper part and the lower part of the wet curtain assembly structure 2-3, and a water inlet pipe 2-2 and a water outlet pipe 2-5 are respectively arranged on the water inlet buffer shell 2-1 and the water outlet buffer shell 2-4. The dust removing device 2 further comprises a water circulation system. In this embodiment, the water inlet pipe 2-2 and the water outlet pipe 2-5 both extend to the outside of the ventilation cabinet body 1, the water circulation system includes a circulation water pump connected with the water inlet pipe 2-2 through a liquid pipeline, the circulation water pump is disposed outside the ventilation cabinet body 1, the circulation water pump is connected with an external water source (such as a source water tank) through a liquid pipeline, the water outlet pipe 2-5 is connected with an external water source through a backflow liquid pipeline, and a filter is disposed between the circulation water pump and the water source.

The circulating water pump pumps liquid from an external water source into the water inlet buffer shell 2-1, and the liquid in the water inlet buffer shell 2-1 flows to the wet curtain paper 2-3-3 through the multiple groups of water permeable holes 2-3-2 on the wet curtain assembly frame 2-3-1, so that the wet curtain paper 2-3-3 is uniformly wetted and thin water continuously flows downwards along the wet curtain paper 2-3-3. The waste gas in the front chamber 1-2 can be extracted through the fan, so that the waste gas can continuously pass through the wet curtain paper 2-3-3 in the dust removal device 2, dust in the waste gas is adhered to the surface of the wet curtain paper 2-3-3 and flows and collects downwards along with water flow, and the waste gas after dust removal enters the dust removal chamber 1-3 and then is discharged to the outside of the ventilation cabinet body 1.

The working process is as follows:

when the ventilation and dust removal equipment needs to be put into operation, the lifting motor 12 is started to drive the lifting door 14 to ascend, and then the ventilation and dust removal equipment is started; simultaneously, starting a circulating water pump connected to the dust removal device 2 to enable the wet curtain paper 2-3-3 to be uniformly and thoroughly wetted and continuously enable fine thin water flow to flow downwards along the wet curtain paper 2-3-3; under the action of a fan, a certain negative pressure environment is generated in the preposed chamber 1-2 and the dust removal chamber 1-3, so that dust-containing waste gas enters the preposed chamber 1-2, flows to wet curtain paper 2-3-3 in the dust removal device 2 through the air equalizing device 3, dust in the waste gas is adhered to the surface of the wet curtain paper 2-3-3 in the process of passing through the wet curtain paper 2-3-3, flows and collects downwards along with water flow, the waste gas after dust removal operation enters the dust removal chamber 1-3 and is discharged to the outside of the ventilation cabinet body 1, a conveying pipeline can be connected to the air outlet pipe orifice 1-1, and the waste gas reaches a subsequent treatment device through the conveying pipeline for deep treatment;

and dust in the waste gas enters the water circulation system and is filtered at the filter, the filtered water source continuously participates in the circulation, and the filter is cleaned regularly to ensure the filtering capacity of the filter.

Claims

1. A ventilation dust collecting equipment for exhaust-gas treatment, characterized by: the ventilating cabinet comprises a supporting table top (15), a ventilating cabinet body (1) is fixedly connected to the supporting table top (15), a lifting door (14) is installed at an opening on the front side of the ventilating cabinet body (1) in a sliding mode, and a door lifting structure used for driving the lifting door (14) to move longitudinally is arranged on the ventilating cabinet body (1); a partition plate (4) is fixedly connected to the inner cavity of the ventilation cabinet body (1), the partition plate (4) divides the inner cavity of the ventilation cabinet body (1) into a front chamber (1-2) and a dust chamber (1-3), an air outlet pipe orifice (1-1) communicated with the dust chamber (1-3) is installed on the ventilation cabinet body (1), and a fan is installed on the air outlet pipe orifice (1-1); a window is arranged on the partition plate (4), and a dust removal device (2) is arranged at the window;

the dust removal device (2) comprises a wet curtain assembly structure (2-3) fixedly connected with a partition plate (4), the upper part and the lower part of the wet curtain assembly structure (2-3) are respectively provided with a water inlet cache shell (2-1) and a water outlet cache shell (2-4), and the water inlet cache shell (2-1) and the water outlet cache shell (2-4) are respectively provided with a water inlet pipe (2-2) and a water outlet pipe (2-5); also comprises a water circulation system.

2. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the wet curtain assembly structure (2-3) comprises a wet curtain assembly frame (2-3-1), wherein the top of the wet curtain assembly frame (2-3-1) is provided with a plurality of groups of water permeable holes (2-3-2), the bottom of the wet curtain assembly frame is provided with a notch, and wet curtain paper (2-3-3) penetrates through the notch; and a mounting supporting plate (2-3-4) for supporting the wet curtain paper (2-3-3) is mounted at the bottom of the wet curtain assembly frame (2-3-1).

3. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the partition plate (4) is provided with an air equalizing device (3) which is arranged corresponding to the dust removing device (2).

4. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the door lifting structure comprises a driven wheel assembly (8) and a driving wheel assembly (11) which are connected with the ventilation cabinet body (1) in parallel, a connecting chain (9) is arranged on the driven wheel assembly (8) and the driving wheel assembly (11) in a transmission way, one end of the connecting chain (9) is provided with a balancing weight (7), and the other end of the connecting chain (9) is connected with a lifting door (14); the ventilating cabinet further comprises a lifting motor (12) connected to the ventilating cabinet body (1), and a lifting transmission pair (10) is installed between an output shaft of the lifting motor (12) and the driving wheel assembly (11).

5. The ventilation and dust removal device for exhaust gas treatment of claim 4, wherein: the driving wheel assembly (11) comprises a driving shaft which is rotationally connected with the ventilating cabinet body (1), and a driving chain wheel is keyed on the driving shaft; the driven wheel assembly (8) comprises a driven shaft which is rotationally connected with the ventilated cabinet body (1), and a driven chain wheel is keyed on the driven shaft; the driving shaft and the driven shaft are arranged in parallel, and the lifting transmission pair (10) is connected with the driving shaft; the driving chain wheel and the driven chain wheel are in transmission connection with the connecting chain (9).

6. The ventilation and dust removal device for exhaust gas treatment according to claim 5, wherein: the lifting transmission pair (10) adopts a chain wheel transmission pair.

7. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the upper part of the front side opening of the ventilation cabinet body (1) is provided with a front baffle (5) matched with the lifting door (14).

8. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: an illuminating lamp (6) is arranged at the top of the inner cavity of the ventilating cabinet body (1).

9. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the side wall of the ventilation cabinet body (1) is fixedly connected with a door guide piece (13) used for guiding the lifting door (14), and the edges of the two sides of the lifting door (14) are embedded into the door guide piece (13) and are in sliding connection with the door guide piece (13).

10. The ventilation and dust removal device for exhaust gas treatment of claim 1, wherein: the water circulation system comprises a circulating water pump connected with the water inlet pipe (2-2) through a liquid pipeline, and the circulating water pump is connected with an external water source through a liquid pipeline; the water outlet pipes (2-5) are connected with an external water source through liquid pipelines.