CN204911117U - Tail gas discharge system of naphthalene water reducing agent production line - Google Patents
Tail gas discharge system of naphthalene water reducing agent production line Download PDFInfo
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- CN204911117U CN204911117U CN201520619625.6U CN201520619625U CN204911117U CN 204911117 U CN204911117 U CN 204911117U CN 201520619625 U CN201520619625 U CN 201520619625U CN 204911117 U CN204911117 U CN 204911117U
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- air inlet
- tail gas
- tower
- discharge system
- gas outlet
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Abstract
The utility model relates to a water -reducing agent preparation field discloses a tail gas discharge system of naphthalene water reducing agent production line, including air cooler (1), air cooler's air inlet passes through the wind channel and is connected with reation kettle's (2) gas vent, tail gas discharge system is still including looping through cyclone (3), fan (4), water wash column (5 of connecting in the wind channel) and caustic wash tower (6), cyclone's air inlet is connected with air cooler's gas outlet, the air inlet of fan is connected with cyclone's gas outlet, the air inlet of water wash column is connected with the gas outlet of fan, the air inlet of caustic wash tower is connected with the gas outlet of water wash column, and the top of caustic wash tower is equipped with the exhaust emissions mouth, the exhaust emissions mouth communicates with each other with the atmosphere. The utility model discloses a tail gas discharge system includes the purifier of a plurality of units, and is rationally distributed, and tail -gas clean -up is effectual, efficient.
Description
Technical field
The utility model relates to water reducer preparation field, particularly relates to a kind of tail gas discharge system of naphthalene water reducer production line.
Background technology
In the production process of naphthalene water reducer, in reactor, a large amount of tail gas can be produced, need before exhaust emissions just can discharge after the purification of tail gas discharge system.But the clean-up effect of naphthalene water reducer exhaust treatment system of the prior art is poor, causes exhaust emissions not reach national standard.
Number of patent application be 201120190724.9 Chinese patent disclose a kind of naphthalene water reducer tail gas recycle treatment system, comprise by air channel connect with lower device: air cooler, for receiving the tail gas produced in production process, make its Temperature fall to reclaim distillation naphthalene; First absorption tower, bottom offers and receives from the air inlet of air cooler tail gas, is provided with filler and spray head in tower, and produce acid mist in tail gas and part formaldehyde to absorb, top offers air outlet; Second absorption tower, bottom offers the air inlet received from the first tail gas from absorption tower, and for absorbing acid mist residual in the tail gas from the first absorption tower and formaldehyde, top offers air outlet; Air-introduced machine, is installed on the air-out passage of second absorption tower, for make production tail gas from air cooler to the first absorption tower, second absorption tower transfer; Anti-void tower, for future self-induced-air machine tail gas carry out foam removal process after be discharged in air.This utility model can improve the recovery utilization rate of naphthalene, reduces content of formaldehyde in exhaust emissions simultaneously.
But the tail gas clean-up efficiency of above-mentioned utility model is still not ideal enough, the purification of tail gas on naphthalene water reducer production line still can not be met completely.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of tail gas discharge system of naphthalene water reducer production line.Tail gas discharge system of the present utility model comprises the purifier of multiple unit, rationally distributed, good tail gas purification effect, and efficiency is high.
Concrete technical scheme of the present utility model is: a kind of tail gas discharge system of naphthalene water reducer production line, include aerial cooler, the air inlet of described aerial cooler is connected with the exhaust outlet of reactor by air channel, and described tail gas discharge system also comprises the cyclone separator, blower fan, water scrubber and the caustic wash tower that are connected by air channel successively; The air inlet of described cyclone separator is connected with the gas outlet of aerial cooler, the air inlet of described blower fan is connected with the gas outlet of cyclone separator, the air inlet of described water scrubber is connected with the gas outlet of blower fan, the air inlet of described caustic wash tower is connected with the gas outlet of water scrubber, the top of caustic wash tower is provided with exhaust port, and described exhaust port communicates with air.
In the middle of the utility model, tail gas is led to aerial cooler by exhaust outlet by the tail gas produced in each reactor in naphthalene water reducer production line, and tail gas temperature after the process of aerial cooler significantly reduces, and some of gaseous state naphthalene becomes solid-state.Cyclone separator is led to from aerial cooler after tail gas cooling, in cyclone separator, the dust in tail gas, drop and solid-state naphthalene and tail gas separation.Then, tail gas, under the guiding of air-introduced machine, enters water scrubber by air channel, and in water scrubber, tail gas is by further water washing cleaning, and the dust be not divided in tail gas, pernicious gas are only absorbed by the water; Then tail gas passes into caustic wash tower, and a large amount of sour gas in caustic wash tower inner exhaust gas, acid mist are neutralized, and after the purification of caustic wash tower, residual exhaust directly leads to air by exhaust port.
As preferably, the bottom of described cyclone separator is provided with dust emission mouth, and the gas outlet of cyclone separator is positioned at top.The setting of dust emission mouth not only can get rid of dust, also can so that recycle solid-state naphthalene.
As preferably, the air inlet of described water scrubber is located at the bottom of tower, and tower top is located in gas outlet, the tower body of water scrubber is established backflow tracheae, and the air inlet of described backflow tracheae is positioned at the top of backflow air pipe outlet, and backflow tracheae is provided with pump and valve.
The setting of backflow tracheae, makes the tail gas in water scrubber to be recycled and repeatedly purifies, greatly strengthen the detergent power of water scrubber.
As preferably, the air inlet of described caustic wash tower is located at the bottom of tower, and exhaust port is located at tower top, the tower body of caustic wash tower is established backflow airduct, and the air inlet of described backflow airduct is positioned at the top of backflow airduct gas outlet, and backflow airduct is provided with pump and valve.
The setting of backflow airduct, makes the tail gas in caustic wash tower to be recycled and repeatedly purifies, greatly strengthen the detergent power of caustic wash tower.
As preferably, the air inlet of described aerial cooler is also connected with storage tank district offgas duct by air channel.In naphthalene water reducer production line, include the storage device of many raw materials or intermediate material, in these storage devices, also can produce certain tail gas, discharge after these tail gas are together purified by tail gas discharge system by the tail gas in air channel and reactor, be conducive to unified management.
Be compared with the prior art, the beneficial effects of the utility model are: tail gas discharge system of the present utility model comprises the purifier of multiple unit, rationally distributed, and good tail gas purification effect, efficiency are high.
Accompanying drawing explanation
Fig. 1 is a kind of connection diagram of the present utility model;
Fig. 2 is a kind of connection diagram of the present utility model.
Reference numeral is: aerial cooler 1, reactor 2, cyclone separator 3, blower fan 4, water scrubber 5, caustic wash tower 6, pump 7, valve 8, storage tank district offgas duct 9, dust emission mouth 31, backflow tracheae 51, backflow airduct 61.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described.Device, syndeton and method involved in the utility model, if without refering in particular to, be device well known in the art, syndeton and method.
Embodiment 1
As shown in Figure 1: a kind of tail gas discharge system of naphthalene water reducer production line, include aerial cooler 1, the air inlet of described aerial cooler is connected by the exhaust outlet of air channel with reactor 2, and described tail gas discharge system also comprises the cyclone separator 3, blower fan 4, water scrubber 5 and the caustic wash tower 6 that are connected by air channel successively; The air inlet of described cyclone separator is connected with the gas outlet of aerial cooler, and the air inlet of described blower fan is connected with the gas outlet of cyclone separator, and the bottom of cyclone separator is provided with dust emission mouth 31, and the gas outlet of cyclone separator is positioned at top.
The air inlet of described water scrubber is connected with the gas outlet of blower fan, and the air inlet of described caustic wash tower is connected with the gas outlet of water scrubber, and the top of caustic wash tower is provided with exhaust port, and described exhaust port communicates with air.The air inlet of described water scrubber is located at the bottom of tower, and tower top is located in gas outlet, the tower body of water scrubber is established backflow tracheae 51, and the air inlet of described backflow tracheae is positioned at the top of backflow air pipe outlet, and backflow tracheae is provided with pump 7 and valve 8.The air inlet of described caustic wash tower is located at the bottom of tower, and exhaust port is located at tower top, the tower body of caustic wash tower is established backflow airduct 61, and the air inlet of described backflow airduct is positioned at the top of backflow airduct gas outlet, and backflow airduct is provided with pump 7 and valve 8.
In the present embodiment, tail gas is led to aerial cooler by exhaust outlet by the tail gas produced in each reactor in naphthalene water reducer production line, and tail gas temperature after the process of aerial cooler significantly reduces, and some of gaseous state naphthalene becomes solid-state.Cyclone separator is led to from aerial cooler after tail gas cooling, in cyclone separator, the dust in tail gas, drop and solid-state naphthalene and tail gas separation.Then, tail gas, under the guiding of air-introduced machine, enters water scrubber by air channel, and in water scrubber, tail gas is by further water washing cleaning, and the dust be not divided in tail gas, pernicious gas are only absorbed by the water; Then tail gas passes into caustic wash tower, and a large amount of sour gas in caustic wash tower inner exhaust gas, acid mist are neutralized, and after the purification of caustic wash tower, residual exhaust directly leads to air by exhaust port.
Embodiment 2
As shown in Figure 2, a kind of tail gas discharge system of naphthalene water reducer production line, includes aerial cooler 1, and the air inlet of described aerial cooler is connected with reactor 2 and storage tank district offgas duct 9 by air channel.Described tail gas discharge system also comprises the cyclone separator 3, blower fan 4, water scrubber 5 and the caustic wash tower 6 that are connected by air channel successively; The air inlet of described cyclone separator is connected with the gas outlet of aerial cooler, and the air inlet of described blower fan is connected with the gas outlet of cyclone separator, and the bottom of cyclone separator is provided with dust emission mouth 31, and the gas outlet of cyclone separator is positioned at top.
The air inlet of described water scrubber is connected with the gas outlet of blower fan, and the air inlet of described caustic wash tower is connected with the gas outlet of water scrubber, and the top of caustic wash tower is provided with exhaust port, and described exhaust port communicates with air.The air inlet of described water scrubber is located at the bottom of tower, and tower top is located in gas outlet, the tower body of water scrubber is established backflow tracheae 51, and the air inlet of described backflow tracheae is positioned at the top of backflow air pipe outlet, and backflow tracheae is provided with pump 7 and valve 8.The air inlet of described caustic wash tower is located at the bottom of tower, and exhaust port is located at tower top, the tower body of caustic wash tower is established backflow airduct 61, and the air inlet of described backflow airduct is positioned at the top of backflow airduct gas outlet, and backflow airduct is provided with pump 7 and valve 8.
In the present embodiment, in naphthalene water reducer production line, tail gas is led to aerial cooler by exhaust outlet by each reactor and the interior tail gas produced of each storage device of storage tank district, tail gas temperature after the process of aerial cooler significantly reduces, and some of gaseous state naphthalene becomes solid-state.Cyclone separator is led to from aerial cooler after tail gas cooling, in cyclone separator, the dust in tail gas, drop and solid-state naphthalene and tail gas separation.Then, tail gas, under the guiding of air-introduced machine, enters water scrubber by air channel, and in water scrubber, tail gas is by further water washing cleaning, and the dust be not divided in tail gas, pernicious gas are only absorbed by the water; Then tail gas passes into caustic wash tower, and a large amount of sour gas in caustic wash tower inner exhaust gas, acid mist are neutralized, and after the purification of caustic wash tower, residual exhaust directly leads to air by exhaust port.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. the tail gas discharge system of a naphthalene water reducer production line, include aerial cooler (1), the air inlet of described aerial cooler is connected by the exhaust outlet of air channel with reactor (2), it is characterized in that: described tail gas discharge system also comprises the cyclone separator (3), blower fan (4), water scrubber (5) and the caustic wash tower (6) that are connected by air channel successively; The air inlet of described cyclone separator is connected with the gas outlet of aerial cooler, the air inlet of described blower fan is connected with the gas outlet of cyclone separator, the air inlet of described water scrubber is connected with the gas outlet of blower fan, the air inlet of described caustic wash tower is connected with the gas outlet of water scrubber, the top of caustic wash tower is provided with exhaust port, and described exhaust port communicates with air.
2. the tail gas discharge system of naphthalene water reducer production line as claimed in claim 1, it is characterized in that, the bottom of described cyclone separator is provided with dust emission mouth (31), and the gas outlet of cyclone separator is positioned at top.
3. the tail gas discharge system of naphthalene water reducer production line as claimed in claim 1, it is characterized in that, the air inlet of described water scrubber is located at the bottom of tower, tower top is located in gas outlet, the tower body of water scrubber is established backflow tracheae (51), the air inlet of described backflow tracheae is positioned at the top of backflow air pipe outlet, and backflow tracheae is provided with pump (7) and valve (8).
4. the tail gas discharge system of naphthalene water reducer production line as claimed in claim 1, it is characterized in that, the air inlet of described caustic wash tower is located at the bottom of tower, exhaust port is located at tower top, the tower body of caustic wash tower is established backflow airduct (61), the air inlet of described backflow airduct is positioned at the top of backflow airduct gas outlet, and backflow airduct is provided with pump (7) and valve (8).
5. the tail gas discharge system of naphthalene water reducer production line as claimed in claim 1, it is characterized in that, the air inlet of described aerial cooler is also connected with storage tank district offgas duct (9) by air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619625.6U CN204911117U (en) | 2015-08-17 | 2015-08-17 | Tail gas discharge system of naphthalene water reducing agent production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619625.6U CN204911117U (en) | 2015-08-17 | 2015-08-17 | Tail gas discharge system of naphthalene water reducing agent production line |
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| CN204911117U true CN204911117U (en) | 2015-12-30 |
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| CN201520619625.6U Expired - Fee Related CN204911117U (en) | 2015-08-17 | 2015-08-17 | Tail gas discharge system of naphthalene water reducing agent production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498438A (en) * | 2016-02-04 | 2016-04-20 | 武汉苏博新型建材有限公司 | Tail gas recovery system for naphthalene water reducer |
-
2015
- 2015-08-17 CN CN201520619625.6U patent/CN204911117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498438A (en) * | 2016-02-04 | 2016-04-20 | 武汉苏博新型建材有限公司 | Tail gas recovery system for naphthalene water reducer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20200817 |