CN220355441U - Exhaust device for stainless steel silane combustion purification tower - Google Patents

Abstract

The utility model relates to the technical field of purifying towers, in particular to an exhaust device for a stainless steel silane combustion purifying tower, which is used for being installed and communicated on a purifying tower body, and comprises a pipeline assembly and a cooling tower, wherein the pipeline assembly comprises an air inlet pipe, a split pipe and an air outlet pipe, the end part of the air inlet pipe is respectively communicated with the split pipe and the air outlet pipe, a detector is arranged at one end, close to the purifying tower body, in the air inlet pipe, a split valve body is arranged at one end, far away from the purifying tower body, in the air inlet pipe, and the split valve body is communicated with any one of the split pipe and the air outlet pipe; the end parts of the split pipe and the air outlet pipe are opposite to the split valve body and fixedly connected to the end part of the air inlet pipe, one end of the split pipe penetrates through the wall body of the purifying tower body and is communicated with the washing cavity, and one end of the air outlet pipe penetrates through the wall body of the cooling tower and is communicated with the cooling tower; the utility model utilizes the detector to detect the air quality at one end of the air inlet pipe, and synchronously operates the split valve body at the other end of the air inlet pipe, thereby preventing waste gas residue.

Description

Exhaust device for stainless steel silane combustion purification tower

Technical Field

The utility model relates to the technical field of purifying towers, in particular to an exhaust device for a stainless steel silane combustion purifying tower.

Background

The stainless steel silicane burning purifying tower is one kind of waste gas purifying equipment for treating silicane, ammonia and other soluble gas, and consists of mainly stainless steel casing, gas inlet and outlet system, burning system, washing system and slag eliminating system. The silane is combusted in the combustion system by contacting with air by utilizing the natural characteristic that the silane contacts with air, and the combusted gas is extracted by utilizing the gas inlet and outlet system, so that the waste gas passes through the washing system to undergo a neutralization reaction, and finally is discharged to the atmosphere to finish purification. In the prior art, a double air inlet mode of matching compressed air with fresh air inlet is generally adopted in the air inlet aspect, and a strong air suction is generally adopted in the air outlet aspect, so that the stability of an air inlet and outlet system is ensured, the most important function of the air outlet system is to ensure that the discharged air reaches the national standard, the air detection device is generally adopted in the air outlet pipeline, the air outlet is immediately closed if the air does not reach the standard, but the harmful gas in the air outlet pipeline can only be discharged into the atmosphere, and a certain pollution is caused.

For solving above-mentioned technical problem, chinese patent CN211411538U discloses a fluorine-containing tail gas leak protection processing apparatus, including the purifying column, purifying column one side fixedly connected with collects the box, collect box opposite side fixedly connected with a plurality of air ducts, the air duct other end fixedly connected with liquid case, liquid case inside wall fixedly connected with division board, division board four lateral walls all with liquid case inside wall fixedly connected with, the air duct is connected to the division board top, the air duct is kept away from collecting box one side opening down, and above-mentioned patent intercepts toxic gas through the liquid district of division board top, has solved the purifying column and can still have the technical problem of a certain amount of harmful gas therein after closing. However, the harmful gas is easily mixed with the liquid in the liquid region, and thus frequent replacement of the liquid is required, resulting in an increase in production cost.

Accordingly, it would be desirable to provide an exhaust apparatus for a stainless steel silane combustion purification tower that prevents the escape of harmful gases from the exhaust line and reduces atmospheric pollution.

Disclosure of Invention

The utility model aims to provide an exhaust device for a stainless steel silane combustion purification tower, which solves the technical problems that when the purification of the purification tower in the prior art does not reach the standard, harmful gas in an exhaust pipe cannot be recovered and can only be discharged into the atmosphere, and the environment is easy to be polluted.

The technical scheme adopted for solving the technical problems is as follows: the exhaust device for the stainless steel silane combustion purifying tower is used for being installed and communicated on the purifying tower body, and comprises a pipeline assembly and a cooling tower, wherein the pipeline assembly comprises an air inlet pipe, a split pipe and an air outlet pipe, the end part of the air inlet pipe is respectively communicated with the split pipe and the air outlet pipe, a detector is arranged at one end, close to the purifying tower body, in the air inlet pipe, a split valve body is arranged at one end, far away from the purifying tower body, in the air inlet pipe, and the split valve body is communicated with any one of the split pipe and the air outlet pipe; the end parts of the shunt pipe and the air outlet pipe are opposite to the shunt valve body and fixedly connected to the end part of the air inlet pipe, one end of the shunt pipe penetrates through the wall body of the purifying tower body and is communicated with the washing cavity, and one end of the air outlet pipe penetrates through the wall body of the cooling tower and is communicated with the cooling tower.

Further, the split valve body is detachably connected to the air inlet pipe, a slide way is arranged in the split valve body, a core rod is slidably arranged in the slide way, the core rod is matched with the slide way, an electromagnetic valve is arranged in the slide way, and the electromagnetic valve is electrically connected to the end part of the core rod.

Further, an air inlet is formed in the end face of the core rod inwards, the air inlet and the core rod are coaxially arranged, a core rod opening is formed in the peripheral surface of the core rod, and the core rod opening penetrates through the wall body of the core rod along the radial direction of the core rod.

Further, a first communication port and a second communication port are formed in the body wall of the diverter valve, the first communication port and the second communication port penetrate through the body wall of the diverter valve and extend to the slideway, and the first communication port and the second communication port are formed oppositely; the first communication port is communicated with the air outlet pipe, and the second communication port is communicated with the shunt pipe.

Further, the first communication port and the second communication port are respectively opposite to the core rod opening, and the core rod opening is communicated with any one of the first communication port and the second communication port.

Further, the first communication port is located at the upper portion of the diverter valve body, and the second communication port is located at the lower portion of the diverter valve body.

Further, the electromagnetic valve is electrically connected with the detector.

Further, a spraying device is arranged in the purifying tower body, the spraying device divides the inside of the purifying tower body into a washing cavity and an exhaust cavity, and the washing cavity and the exhaust cavity are mutually communicated.

Further, be equipped with the air inlet on the purifying column body, the air inlet runs through purifying column body wall body and communicates the washing cavity, purifying column body bottom is equipped with the waste water pond, waste water pond intercommunication washing cavity.

The beneficial effects of the utility model are as follows: aiming at the technical problems that the waste gas is easy to remain in a pipeline assembly and the waste gas cannot be effectively recycled, the utility model is additionally provided with the flow dividing valve body and the flow dividing pipe, the air quality at one end of the air inlet pipe is detected by the detector, and the flow dividing valve body at the other end of the air inlet pipe is synchronously operated, so that dynamic real-time control is realized, when the air in the air inlet pipe is unqualified, the flow dividing valve body is started, the waste gas flows back into the purifying tower body from the air inlet pipe, the neutralizing treatment is carried out again, when the air in the air inlet pipe is qualified, the flow dividing valve body is started again, the waste gas flows into the cooling tower from the air inlet pipe and is finally discharged into the atmosphere, thereby realizing timely and full recycling of the waste gas in the air inlet pipe, preventing residual or excessive harmful gas accumulated in the pipeline assembly, and improving the environmental protection capability.

Drawings

FIG. 1 is a perspective view of an exhaust apparatus for a stainless steel silane combustion purification tower according to the present utility model.

Fig. 2 is a front cross-sectional view of an exhaust device for a stainless steel silane combustion purification tower according to the present utility model.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

The components in the drawings are marked as follows: 10. a purification tower body; 11. washing the cavity; 12. an exhaust cavity; 13. a spraying device; 14. an air inlet; 15. a butterfly valve; 16. a wastewater tank; 20. a conduit assembly; 21. an air inlet pipe; 22. a shunt; 23. an air outlet pipe; 24. a detector; 25. a diverter valve body; 251. a core bar; 252. an air inlet; 253. a first communication port; 254. a second communication port; 255. a slideway; 256. a core bar opening; 257. an electromagnetic valve; 26. a one-way valve body; 30. and (5) a cooling tower.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

Referring to fig. 1 and 2, the present utility model provides an exhaust device for a stainless steel silane combustion purifying tower, which is used for being installed and communicated on a purifying tower body 10, the exhaust device comprises a pipeline assembly 20 and a cooling tower 30, the pipeline assembly 20 comprises an air inlet pipe 21, a shunt pipe 22 and an air outlet pipe 23, the air inlet pipe 21 is respectively communicated with the shunt pipe 22 and the air outlet pipe 23, the air inlet pipe 21 is communicated with the upper part of the purifying tower body 10, the shunt pipe 22 is communicated with the lower part of the purifying tower body 10, and the air outlet pipe 23 is communicated with the cooling tower 30.

Further, a spraying device 13 is arranged in the purifying tower body 10, the spraying device 13 divides the inside of the purifying tower body 10 into a washing cavity 11 and an exhaust cavity 12, the washing cavity 11 and the exhaust cavity 12 are mutually communicated, an air inlet 14 is arranged on the purifying tower body 10, and the air inlet 14 penetrates through the wall body of the purifying tower body 10 and is communicated with the washing cavity 11. The bottom of the purifying tower body 10 is provided with a wastewater tank 16, and the wastewater tank 16 is communicated with the washing cavity 11.

In use, exhaust gas is pumped into the washing cavity 11 by an exhaust fan (not shown), and then a neutralizing liquid (such as sodium hydroxide solution) is sprayed into the washing cavity 11 by a spraying device 13 to neutralize the exhaust gas, the waste water falls into the waste water tank 16, and meanwhile, purified gas enters into the exhaust cavity 12 to complete neutralization.

Specifically, the air inlet 14 is provided with a butterfly valve 15 for controlling the exhaust gas flowing into and out of the washing cavity 11; the exhaust cavity 12 is communicated with an air inlet pipe 21, so that purified gas enters the pipeline assembly 20 from the exhaust cavity 12.

In this embodiment, the spraying device 13 includes pumping device and shower head, and pumping device communicates the shower head, during the use, with neutralization liquid suction to in the shower head, realize the atomization treatment to neutralization liquid, improve neutralization area of contact, guarantee neutralization effect.

Further, referring to fig. 2 and 3, the split pipe 22 and the air outlet pipe 23 are commonly connected at one end of the air inlet pipe 21, the split pipe 22 and the air outlet pipe 23 are coaxially arranged, a detector 24 is arranged at one end of the air inlet pipe 21, which is close to the purifying tower body 10, and the detector 24 is a common air quality detector in the market and is used for dynamically detecting the air quality entering the air inlet pipe 21, so that the use accuracy is ensured. One end of the air inlet pipe 21 far away from the purifying tower body 10 is provided with a split-flow valve body 25, and the split-flow valve body 25 is used for controlling the air inlet pipe 21 to be communicated with the split-flow pipe 22 or the air outlet pipe 23 respectively, so that the split-flow valve body 25 is communicated with any one of the split-flow pipe 22 and the air outlet pipe 23. One end of the shunt pipe 22 penetrates through the wall body of the purifying tower body 10 and is communicated with the washing cavity 11. One end of the air outlet pipe 23 penetrates through the wall body of the cooling tower 30 and is communicated with the inside of the cooling tower 30.

When the air inlet pipe 21 is detected to be unqualified by the detector 24 during use, the split valve body 25 is driven to enable the air inlet pipe 21 to be communicated with the split pipe 22, unqualified air flows into the split pipe 22 from the split valve body 25 and finally flows into the washing cavity 11, and neutralization reaction is carried out again; when the detector 24 detects that the air entering the air inlet pipe 21 reaches the standard, the flow dividing valve body 25 is driven to enable the air inlet pipe 21 and the air outlet pipe 23 to be communicated, qualified gas flows into the air outlet pipe 23 from the flow dividing valve body 25 and then flows into the cooling tower 30, and finally is discharged to the atmosphere, so that the real-time dynamic detection and timely recovery of waste gas recovery are realized, residual or accumulated harmful gas in the pipeline assembly 20 is prevented, and the environmental protection capability is improved.

Further, the shunt valve body 25 is detachably connected to the air inlet pipe 21 by using fasteners such as bolts or screws, and the end parts of the shunt pipe 22 and the air outlet pipe 23 are opposite to the shunt valve body 25 and are fixedly connected to the end part of the air inlet pipe 21; the shunt valve body 25 is internally provided with a slideway 255, the slideway 255 is internally provided with a core bar 251 in a sliding way, the core bar 251 is matched with the slideway 255, the slideway 255 is internally provided with an electromagnetic valve 257, and the electromagnetic valve 257 is electrically connected with the end part of the core bar 251. Preferably, the solenoid valve 257 is electrically connected to the detector 24.

Further, the end surface of the core rod 251 is provided with an air inlet 252 inwards, the air inlet 252 is coaxially arranged with the core rod 251, the circumferential surface of the core rod 251 is provided with a core rod opening 256, and the core rod opening 256 radially penetrates through the wall body of the core rod 251 along the core rod 251. The wall body of the shunt valve body 25 is provided with a first communication port 253 and a second communication port 254, the first communication port 253 and the second communication port 254 penetrate through the wall body of the shunt valve body 25 and extend to the slideway 255, the first communication port 253 and the second communication port 254 are oppositely arranged, the first communication port 253 is positioned at the upper part of the shunt valve body 25, the second communication port 254 is positioned at the lower part of the shunt valve body 25, the first communication port 253 is communicated with the air outlet pipe 23, and the second communication port 254 is communicated with the shunt pipe 22. The first communication port 253 and the second communication port 254 are respectively opposite to the stem opening 256, and the stem opening 256 communicates with either one of the first communication port 253 and the second communication port 254.

When the air quality control device is used, the air quality at one end of the air inlet pipe 21 is detected by the detector 24, so that the control of the split valve body 25 at the other end of the air inlet pipe 21 is realized, when the air quality detected by the detector 24 is unqualified, the electromagnetic valve 257 in the split valve body 25 is started, and the core rod 251 is driven to move, so that the core rod opening 256 is communicated with the second communication port 254, and further, after the waste gas flows into the air inlet pipe 21, the waste gas flows into the air inlet port 252, the core rod opening 256, the second communication port 254 and the split pipe 22 respectively, and finally flows into the washing cavity 11 in the purification tower body 10, so that the re-neutralization treatment is realized; when the gas quality detected by the detector 24 is qualified, the electromagnetic valve 257 in the shunt valve body 25 is started again, so that the core rod 251 is driven to reset, the core rod opening 256 is communicated with the first communication port 253, and then the exhaust gas flows into the gas inlet pipe 21, flows through the gas inlet 252, the core rod opening 256, the first communication port 253 and the gas outlet pipe 23 respectively, and finally flows into the cooling tower 30 to finish discharging.

The utility model utilizes the detector 24 to detect the air quality at one end of the air inlet pipe 21, and synchronously operates the flow dividing valve body 25 at the other end of the air inlet pipe 21, thereby realizing dynamic real-time control, ensuring the timely recovery of the waste gas in the air inlet pipe 21, preventing the residual or accumulated harmful gas in the pipeline assembly 20 and improving the environmental protection capability.

In this embodiment, the shunt tube 22 is further provided with a check valve body 26, the check valve body 26 is a common electromagnetic check valve in the market, and the check valve body 26 is used to ensure that air in the shunt tube 22 flows into the washing cavity 11 from the shunt valve body 25 in a unidirectional manner, so as to prevent the waste gas from flowing backwards and improve the use stability.

The specific operation mode of the utility model is as follows, step one: the exhaust gas is sucked into the washing cavity 11 by the exhaust fan, and then the neutralizing liquid is sprayed into the washing cavity 11 by the spraying device 13 to neutralize the exhaust gas.

Step two: the purified gas is discharged into the exhaust cavity 12 and then is sucked by the air inlet pipe 21, the air quality at the inlet of the air inlet pipe 21 is detected by the detector 24, when the detector 24 detects that the air entering the air inlet pipe 21 is unqualified, the split valve body 25 is driven to enable the air inlet pipe 21 to be communicated with the split pipe 22, and unqualified gas flows into the split pipe 22 from the split valve body 25 and finally flows into the washing cavity 11 to carry out neutralization reaction again; when the detector 24 detects that the air entering the air inlet pipe 21 reaches the standard, the flow dividing valve body 25 is driven to enable the air inlet pipe 21 to be communicated with the air outlet pipe 23, and qualified gas flows into the air outlet pipe 23 from the flow dividing valve body 25, then flows into the cooling tower 30 and finally is discharged to the atmosphere.

Aiming at the technical problems that the exhaust gas is easy to remain in the pipeline assembly 20 and the exhaust gas cannot be effectively recycled, the utility model is additionally provided with the diversion valve body 25 and the diversion pipe 22, the detector 24 is used for detecting the air quality at one end of the air inlet pipe 21, and simultaneously the diversion valve body 25 at the other end of the air inlet pipe 21 is synchronously operated, so that dynamic real-time control is realized, when the air entering the air inlet pipe 21 is unqualified, the diversion valve body 25 is started, the exhaust gas flows back into the purification tower body 10 from the air inlet pipe 21, the neutralization treatment is carried out again, when the air entering the air inlet pipe 21 is qualified, the diversion valve body 25 is started again, the exhaust gas flows into the cooling tower 30 from the air inlet pipe 21 and is finally discharged into the atmosphere, so that the exhaust gas in the air inlet pipe 21 is timely and fully recycled, residual or excessive harmful gas accumulated in the pipeline assembly 20 is prevented, and the environmental protection capability is improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (9)

1. An exhaust device for a stainless steel silane combustion purifying tower is used for being installed and communicated on a purifying tower body (10), and comprises a pipeline assembly (20) and a cooling tower (30), and is characterized in that the pipeline assembly (20) comprises an air inlet pipe (21), a shunt pipe (22) and an air outlet pipe (23), the end part of the air inlet pipe (21) is respectively communicated with the shunt pipe (22) and the air outlet pipe (23), a detector (24) is arranged at one end, close to the purifying tower body (10), of the air inlet pipe (21), a shunt valve body (25) is arranged at one end, far away from the purifying tower body (10), of the air inlet pipe (21), and the shunt valve body (25) is communicated with any one of the shunt pipe (22) and the air outlet pipe (23); the end parts of the shunt tube (22) and the air outlet tube (23) are opposite to the shunt valve body (25) and fixedly connected to the end part of the air inlet tube (21), one end of the shunt tube (22) penetrates through the wall body of the purifying tower body (10) and is communicated with the washing cavity (11), and one end of the air outlet tube (23) penetrates through the wall body of the cooling tower (30) and is communicated with the cooling tower (30).

2. The exhaust device for the stainless steel silane combustion purification tower according to claim 1, wherein the split valve body (25) is detachably connected to the air inlet pipe (21), a slide (255) is arranged in the split valve body (25), a core rod (251) is slidably arranged in the slide (255), the core rod (251) is matched with the slide (255), an electromagnetic valve (257) is arranged in the slide (255), and the electromagnetic valve (257) is electrically connected to the end part of the core rod (251).

3. The exhaust device for the stainless steel silane combustion purification tower according to claim 2, wherein the end face of the core rod (251) is provided with an air inlet (252) inwards, the air inlet (252) is coaxially arranged with the core rod (251), the peripheral surface of the core rod (251) is provided with a core rod opening (256), and the core rod opening (256) radially penetrates through the wall body of the core rod (251) along the core rod (251).

4. The exhaust device for a stainless steel silane combustion purification tower according to claim 3, wherein a first communication port (253) and a second communication port (254) are formed in the wall of the split valve body (25), the first communication port (253) and the second communication port (254) penetrate through the wall of the split valve body (25) and extend to the slideway (255), and the first communication port (253) and the second communication port (254) are formed in opposition; the first communication port (253) is communicated with the air outlet pipe (23), and the second communication port (254) is communicated with the shunt pipe (22).

5. The exhaust device for a stainless steel silane combustion purification tower according to claim 4, wherein the first communication port (253) and the second communication port (254) are respectively opposite to the core rod opening (256), and the core rod opening (256) communicates with either one of the first communication port (253) and the second communication port (254).

6. The exhaust device for a stainless steel silane combustion purification tower according to claim 4, wherein the first communication port (253) is located at an upper portion of the split valve body (25), and the second communication port (254) is located at a lower portion of the split valve body (25).

7. The exhaust device for a stainless steel silane combustion purification tower according to claim 2, wherein the electromagnetic valve (257) is electrically connected to a detector (24).

8. The exhaust device for the stainless steel silane combustion purification tower according to claim 1, wherein a spraying device (13) is arranged in the purification tower body (10), the spraying device (13) divides the interior of the purification tower body (10) into a washing cavity (11) and an exhaust cavity (12), and the washing cavity (11) and the exhaust cavity (12) are mutually communicated.

9. The exhaust device for the stainless steel silane combustion purification tower according to claim 8, wherein the purification tower body (10) is provided with an air inlet (14), the air inlet (14) penetrates through the wall body of the purification tower body (10) and is communicated with the washing cavity (11), the bottom of the purification tower body (10) is provided with a wastewater tank (16), and the wastewater tank (16) is communicated with the washing cavity (11).