CN209885567U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN209885567U CN209885567U CN201920635128.3U CN201920635128U CN209885567U CN 209885567 U CN209885567 U CN 209885567U CN 201920635128 U CN201920635128 U CN 201920635128U CN 209885567 U CN209885567 U CN 209885567U
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Abstract
The utility model discloses a waste gas treatment device belongs to environmental protection equipment technical field, and what mainly solve is the technical problem of cold box core shooter exhaust gas pollution environment, the device includes gas collection mechanism, dust removal mechanism, spray column, the fan that connect gradually through the conveyer pipe, be equipped with heating element on the conveyer pipe between gas collection mechanism and the dust removal mechanism, the spray column in be equipped with at least two-stage about the interval arrangement spray assembly, each spray assembly's top all is equipped with first filter layer, spray column bottom be equipped with neutralization pond, spray column one side be equipped with the intercommunication the liquid storage tank in neutralization pond, liquid storage tank top be equipped with the circulating pump and general the circulating pipe that circulating pump and spray assembly are connected, neutralization pond in be equipped with PH value sensor. The utility model discloses can effectively detach the dust particle in the waste gas and triethylamine is gaseous.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field, more specifically say, it relates to a waste gas treatment device.
Background
The cold box core shooter can generate waste gas in production, the waste gas contains substances such as triethylamine gas, dust particles and the like, the waste gas can seriously pollute the atmosphere, the influence on the operation environment of a production site is great, and the waste gas needs to be treated to eliminate air pollution in order to realize the blue sky atmosphere defense war victory and protect the health and safety of workers.
The traditional method is that a dust hood is adopted to collect waste gas, the waste gas is discharged into the atmosphere after passing through a simple dust removal device, and even is directly discharged into the atmosphere through a pipeline, so that the environmental pollution is caused, and meanwhile, the staff is also injured by secondary pollution, and the body health of the staff is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a can effectively detach the dust granule in the waste gas and gaseous waste gas treatment device of triethylamine.
The technical scheme of the utility model is that: the utility model provides a waste gas treatment device, includes gas collection mechanism, dust removal mechanism, spray column, fan that connect gradually through the conveyer pipe, be equipped with heating element on the conveyer pipe between gas collection mechanism and the dust removal mechanism, the spray column in be equipped with at least two-stage spray assembly of interval arrangement from top to bottom, each spray assembly's top all is equipped with first filter layer, spray column bottom be equipped with neutralization pond, spray column one side be equipped with the intercommunication the liquid storage tank in neutralization pond, liquid storage tank top be equipped with the circulating pump and with the circulating pipe that circulating pump and spray assembly are connected, neutralization pond in be equipped with the PH value sensor.
As further improvement, dust removal mechanism include the dust removal case, the dust removal incasement be equipped with the second filter layer of epicoele, lower chamber is separated into to dust removal incasement chamber, the lower chamber pass through duct connection gas collection mechanism, the epicoele pass through duct connection the spray column, dust removal bottom of the case portion be equipped with the ash-collecting bucket, ash-collecting bucket bottom be equipped with the deashing window.
Furthermore, a vibrator is arranged on the second filter layer.
Furthermore, the spraying assembly comprises a plurality of spray heads which are horizontally and uniformly arranged and spray pipes which are connected with the spray heads.
Further, the first filter layer comprises a filtering pellet, a bottom plate located at the bottom of the filtering pellet and a pressing net located at the top of the filtering pellet, and a through hole with the diameter smaller than that of the filtering pellet is formed in the bottom plate.
Furthermore, an air inlet pipe is arranged between the air collecting mechanism and the conveying pipe, and the included angle between the air inlet pipe and the conveying pipe is 20-40 degrees.
Furthermore, an arc-shaped elbow is arranged at the joint of the air inlet pipe and the conveying pipe, and the wall thickness of the arc-shaped elbow is larger than that of the air inlet pipe.
Advantageous effects
Compared with the prior art, the utility model, the advantage that has does:
1. the utility model discloses detach the dust in the waste gas earlier through dust removal mechanism, the triethylamine gas in the waste gas is detached to the rethread spray column, can effectively detach the dust granule in the waste gas and the triethylamine gas obtains clean gas, avoids waste gas to cause environmental pollution, avoids the staff to receive secondary pollution's injury and influence the healthy of staff.
2. The utility model discloses a preheat waste gas to the settlement temperature, can improve the circulation of dust in the waste gas, prevent that the dust from collecting together in the conveyer pipe.
3. The utility model discloses a set up the electromagnetic shaker on the second filter layer, can shake off the dust on the second filter layer automatically, guarantee the air-passing volume of second filter layer.
4. The utility model discloses the contained angle between well intake pipe and the conveyer pipe is 20 ~ 40 to set up the arc elbow between intake pipe and conveyer pipe, can reduce the resistance that the gas flows, improve the gas collection effect, the wall thickness of arc elbow is greater than the wall thickness of intake pipe, guarantees that the arc elbow is difficult for wearing out under the impact of waste gas dust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-conveying pipe, 2-gas collecting mechanism, 3-dust removing mechanism, 4-spray tower, 5-blower, 6-heating component, 7-spray component, 8-first filtering layer, 9-neutralizing pool, 10-liquid storage pool, 11-circulating pump, 12-circulating pipe, 13-controller, 14-upper chamber, 15-lower chamber, 16-second filtering layer, 17-ash collecting hopper, 18-vibrator, 19-air inlet pipe and 20-arc elbow.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1, a waste gas treatment device comprises a gas collection mechanism 2, a dust removal mechanism 3, a spray tower 4 and a fan 5 which are connected in sequence through a conveying pipe 1, wherein the fan 5 provides power for conveying waste gas for the whole device, and finally clean air is discharged into the atmosphere through the fan 5. The gas collection mechanism 2 is a horn mouth structure with a small upper end and a large lower end, the conveying pipe 1 between the gas collection mechanism 2 and the dust removal mechanism 3 is provided with the heating component 6, the heating component 6 is close to the gas collection mechanism 2, the heating component 6 preheats waste gas, the circulation of dust in the waste gas can be improved, the dust is prevented from being accumulated in the conveying pipe, the preheating temperature is higher than 60 ℃, the specific value of the preheating temperature can be set according to actual conditions, and the heating component 6 comprises a heating wire and a temperature sensor.
In this embodiment, dust removal mechanism 3 includes the dust removal case, the dust removal incasement is equipped with separates into epicoele 14 with the dust removal incasement chamber, second filter layer 16 of lower chamber 15, second filter layer 16 mainly comprises filter screen and the support that is used for installing the filter screen, second filter layer 16 inclines to arrange, can increase second filter layer 16's filter area, lower chamber 15 passes through conveyer pipe 1 and connects gas collection mechanism 2, epicoele 14 passes through conveyer pipe 1 and connects spray tower 4, because the accommodation space of dust removal case is big, the volume grow behind the waste gas arrival dust removal case in the conveyer pipe 1, gas velocity and temperature can descend, be favorable to filtering the dust. The second filter layer 16 is provided with a vibrator 18 which can automatically shake off the dust on the second filter layer 16 to ensure the air passing amount of the second filter layer 16. The bottom of the dust removing box is provided with a dust collecting hopper 17, the dust collecting hopper 17 is of a structure with a large upper end and a small lower end, and the bottom of the dust collecting hopper 17 is provided with a dust cleaning window for periodically treating dust in the dust collecting hopper 17.
In the embodiment, at least two stages of spray assemblies 7 are arranged in a spray tower 4 at intervals, a first filter layer 8 is arranged above each spray assembly 7, a neutralization tank 9 is arranged at the bottom of the spray tower 4, a liquid storage tank 10 communicated with the neutralization tank 9 is arranged at one side of the spray tower 4, neutralization liquid is arranged in the neutralization tank 9 and the liquid storage tank 10, the neutralization liquid is phosphoric acid solution or other acid solution, so that triethylamine gas is converted into ammonium phosphate salt or other types of amine salt, the triethylamine gas in waste gas can be removed and the amine can be recycled, a circulating pump 11 and a circulating pipe 12 connecting the circulating pump 11 with the spray assemblies 7 are arranged above the liquid storage tank 10, a pH value sensor is arranged in the neutralization tank 9 and used for detecting the pH value in the neutralization tank 9 in real time, and an alarm is given when the pH value is not within a preset pH range. The spraying component 7 comprises a plurality of horizontally and uniformly arranged spray heads and spray pipes connected with the spray heads, the spray pipes are connected with a circulating pipe 12, a plurality of micro holes are formed in the bottoms of the spray heads, neutralizing liquid forms water mist to be sprayed out through the micro holes under the action of a circulating pump 11, and triethylamine gas in waste gas is fully contacted with the water mist to react and be removed. First filter layer 8 is equipped with the via hole that the diameter is less than the diameter of filtering the bobble including filtering the bobble, being located the bottom plate of filtering bobble bottom, being located the pressure net of filtering the bobble top on the bottom plate, and first filter layer 8 can be separated the outer surface water of waste gas. The spraying component 7, the first filtering layer 8 and the circulating pipe 12 are all made of corrosion-resistant materials, for example, the spray head is made of plastic, the spray pipe is made of stainless steel, the circulating pipe 12 is made of PVC material, and the filtering ball, the bottom plate and the pressing net are made of plastic.
In this embodiment, be equipped with intake pipe 19 between gas collection mechanism 2 and the conveyer pipe 1, the contained angle between intake pipe 19 and the conveyer pipe 1 is 20 ~ 40, intake pipe 19 is equipped with arc elbow 20 with the junction of conveyer pipe 1, can reduce the resistance that the gas flows, improve the gas collection effect, the wall thickness of arc elbow 20 is greater than the wall thickness of intake pipe 19, guarantee that the arc elbow is difficult for wearing out under the impact of waste gas dust, conveyer pipe 1, intake pipe 19, arc elbow 20 and spray column 4 main part are made by corrosion-resistant glass steel.
In this embodiment, the apparatus further includes a controller 13, the controller 13 is electrically connected to the heating assembly 6, the blower 5, the circulating pump 11, and the PH sensor, respectively, and the controller 13 may be a PLC controller with a model number of S7-200.
In other embodiments, a flow equalizing pipe (not shown) is disposed in the spray tower 4 and is communicated with the inlet gas conveying pipe 1, and the exhaust gas can be uniformly conveyed to the lower part of the spray tower 4 through the flow equalizing pipe, so that the exhaust gas in the spray tower 4 is uniformly distributed, and the effect of removing triethylamine gas can be improved.
The utility model discloses detach the dust in the waste gas earlier through dust removal mechanism, the triethylamine gas in the waste gas is detached to the rethread spray column, can effectively detach the dust granule in the waste gas and the triethylamine gas obtains clean gas, avoids waste gas to cause environmental pollution, avoids the staff to receive secondary pollution's injury and influence the healthy of staff.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (7)
1. The utility model provides an exhaust gas treatment device which characterized in that: the device comprises a gas collection mechanism (2), a dust removal mechanism (3), a spray tower (4) and a fan (5) which are sequentially connected through a conveying pipe (1), wherein a heating component (6) is arranged on the conveying pipe (1) between the gas collection mechanism (2) and the dust removal mechanism (3), at least two stages of spray components (7) which are arranged at intervals are arranged in the spray tower (4), a first filter layer (8) is arranged above each spray component (7), a neutralization pond (9) is arranged at the bottom of the spray tower (4), a liquid storage pond (10) communicated with the neutralization pond (9) is arranged on one side of the spray tower (4), a circulating pump (11) and a circulating pipe (12) connecting the circulating pump (11) and the spray components (7) are arranged above the liquid storage pond (10), and a PH value sensor is arranged in the neutralization pond (9).
2. An exhaust gas treatment device according to claim 1, wherein: dust removal mechanism (3) including the dust removal case, the dust removal incasement be equipped with the dust removal incasement chamber separates into second filter layer (16) of epicoele (14), cavity of resorption (15) pass through conveyer pipe (1) is connected gas collection mechanism (2), epicoele (14) pass through conveyer pipe (1) are connected spray column (4), dust removal bottom of the case portion be equipped with collection ash fill (17), collection ash fill (17) bottom be equipped with the deashing window.
3. An exhaust gas treatment device according to claim 2, wherein: the second filter layer (16) is provided with a vibrator (18).
4. An exhaust gas treatment device according to claim 1, wherein: the spraying assembly (7) comprises a plurality of spray heads which are horizontally and uniformly arranged and spray pipes which are connected with the spray heads.
5. An exhaust gas treatment device according to claim 1, wherein: the first filter layer (8) comprises a filter ball, a bottom plate positioned at the bottom of the filter ball and a press net positioned at the top of the filter ball, and the bottom plate is provided with a through hole with the diameter smaller than that of the filter ball.
6. An exhaust gas treatment device according to claim 1, wherein: an air inlet pipe (19) is arranged between the air collecting mechanism (2) and the conveying pipe (1), and an included angle between the air inlet pipe (19) and the conveying pipe (1) is 20-40 degrees.
7. An exhaust treatment device according to claim 6, wherein: the connecting part of the air inlet pipe (19) and the conveying pipe (1) is provided with an arc-shaped elbow (20), and the wall thickness of the arc-shaped elbow (20) is larger than that of the air inlet pipe (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635128.3U CN209885567U (en) | 2019-05-06 | 2019-05-06 | Waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635128.3U CN209885567U (en) | 2019-05-06 | 2019-05-06 | Waste gas treatment device |
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| Publication Number | Publication Date |
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| CN209885567U true CN209885567U (en) | 2020-01-03 |
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| CN201920635128.3U Active CN209885567U (en) | 2019-05-06 | 2019-05-06 | Waste gas treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966898A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of exhaust gas treatment method and device |
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2019
- 2019-05-06 CN CN201920635128.3U patent/CN209885567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966898A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of exhaust gas treatment method and device |
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