CN205109317U - Vacuum tail gas treatment system - Google Patents
Vacuum tail gas treatment system Download PDFInfo
- Publication number
- CN205109317U CN205109317U CN201520937332.2U CN201520937332U CN205109317U CN 205109317 U CN205109317 U CN 205109317U CN 201520937332 U CN201520937332 U CN 201520937332U CN 205109317 U CN205109317 U CN 205109317U
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- China
- Prior art keywords
- vacuum
- condenser
- pipeline
- tail gas
- absorption tower
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Abstract
The utility model provides a vacuum tail gas treatment system, including the one -level condenser, the vacuum collection jar, the second grade condenser, the vacuum buffer tank, the fountain absorption tower, the one -level condenser links to each other with the upper portion of vacuum collection jar, be provided with the cooling water inlet of vacuum collection jar and the coolant outlet of vacuum collection jar in the vacuum collection jar, the upper portion of vacuum collection jar is passed through the pipeline and is linked to each other with the second grade condenser, the second grade condenser is linked together with the upper portion of vacuum buffer tank, the export pipeline of the lower part of vacuum buffer tank is divided into two branch roads, article one, absorption pump entering collection tank is connected to the branch road, waste water collecting tank is connected to another branch road, pipeline and vacuum machine group link are passed through to the upper portion of vacuum buffer tank, the vacuum unit passes through the pipeline and links to each other with waste water collecting tank, upper portion exhaust pipe links to each other with the fountain absorption tower, waste water collecting tank's upper portion is connected with the fountain absorption tower through the pipeline. The purification efficiency of this system is high, and is little to the pollution of air to can realize the abundant improvement to tail gas.
Description
Technical field
The utility model relates to a kind of vent gas treatment field, especially relates to a kind of governing system of vacuum volatilization Organic Pollution.
Background technology
Mylar is by the general name of the macromolecular compound of dihydroxylic alcohols/polyalcohol and binary acid/polyacid polycondensation.Mylar is divided into saturated polyester resin and unsaturated polyester resin.Due to the difference of synthesis material, mylar can present different excellent properties, and therefore mylar is widely used in productive life, such as: the polyalcohol of linear chain structure and polyacid synthesize the resin obtained and have linear structure, pliability is very good, is widely applied to coating industry; Monounsaturated dicarboxylic acid and unsaturated dibasic acid synthesize the unsaturated polyester resin obtained and have good solidification, shaping and processing performance, are applicable to manufacture glass fiber reinforced plastics product.
The production technology of mylar generally comprises two steps, namely the esterification between alcohol, acid and the polycondensation reaction between esters monomer, wherein polycondensation reaction is then that (about 230-250 DEG C) has been come by vacuum decompression under certain high temperature, under vacuum, have a large amount of exhaust emissions out, except steam, also comprise a large amount of volatile organic matter in these tail gas, if directly entered air, will pollute air.In existing technology, the vacuum tail gas that reactor produces is collected in air accumulator, then by Roots's water-circulating pump, condensed for vacuum tail gas waste gas liquid pump is delivered in the wastewater collection pond of opened type, finally send into sewage treatment plant.The weak point of prior art is: adopt the wastewater collection pond of this opened type only to have collected the liquid of waste gas liquid, and tail gas residual in waste gas liquid still directly enters in air, the clean-up effect do not reached.
Utility model content
In order to overcome the deficiency that prior art exists, provide a kind of vacuum tail gas governing system, the purification efficiency of this system is high, little to the pollution of air, and can realize the abundant improvement to tail gas.
The utility model is realized by following technical scheme:
A kind of vacuum tail gas governing system, comprise first-stage condenser, vacuum colletor, secondary condenser, vacuum buffer tank, spray absorption tower, first-stage condenser is connected with the top of vacuum colletor, the cooling water inlet of vacuum colletor and the coolant outlet of vacuum colletor is provided with in vacuum colletor, the top of vacuum colletor is connected with secondary condenser by pipeline, secondary condenser is connected with the top of vacuum buffer tank, the export pipeline of the bottom of vacuum buffer tank is divided into two branch roads, article one, branch road connection absorption pump enters collecting tank, another branch road connects sewage collecting pool, the top of vacuum buffer tank is connected with vacuum pump set by pipeline, vacuum pump set is connected with sewage collecting pool with spray absorption tower respectively by pipeline, the top of sewage collecting pool is connected with spray absorption tower by pipeline, spray absorption tower comprises four layers of spray chamber.
The bottom of wherein said spray absorption tower is provided with condensate liquid hybrid chamber.
The top of wherein said condensate liquid hybrid chamber is provided with four layers of spray chamber, and the sidepiece of condensate liquid hybrid chamber is connected with water circulating pump, and condensate liquid enters four layers of spray chamber by water circulating pump respectively by condensate liquid hybrid chamber.
Wherein the cooling water inlet of first-stage condenser is positioned at the bottom of first-stage condenser, and the coolant outlet of first-stage condenser is positioned at the top of first-stage condenser.
Wherein the cooling water inlet of secondary condenser is positioned at the bottom of secondary condenser, and the coolant outlet of secondary condenser is positioned at the top of secondary condenser.
The beneficial effects of the utility model are: by the condensed in two stages of first-stage condenser and secondary condenser, most of tail gas is become condensate liquid to be stored in collecting tank, the tail gas that part does not fully absorb is discharged in sewage collecting pool, enter spray absorption tower, realize the abundant improvement of tail gas, decrease the pollution to air.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum tail gas governing system.
In figure:
1---first-stage condenser;
2---vacuum colletor;
3---secondary condenser;
4---vacuum buffer tank;
5---the cooling water inlet of vacuum colletor;
6---the coolant outlet of vacuum colletor;
7---absorption pump;
8---collecting tank;
9---vacuum pump set;
10---sewage collecting pool;
11---water circulating pump;
12---condensate liquid hybrid chamber;
13---spray absorption tower;
14---the cooling water inlet of first-stage condenser;
15---the coolant outlet of first-stage condenser;
16---the cooling water inlet of secondary condenser;
17---the coolant outlet of secondary condenser;
18---spray chamber.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of vacuum tail gas governing system, comprise first-stage condenser 1, vacuum colletor 2, secondary condenser 3, vacuum buffer tank 4, spray absorption tower 13, first-stage condenser 1 is connected with the top of vacuum colletor 2, the cooling water inlet 5 of vacuum colletor 2 and the coolant outlet 6 of vacuum colletor is provided with in vacuum colletor 2, the top of vacuum colletor 2 is connected with secondary condenser 3 by pipeline, secondary condenser 3 is connected with the top of vacuum buffer tank 4, the export pipeline of the bottom of vacuum buffer tank 4 is divided into two branch roads, article one, branch road connection absorption pump 7 enters collecting tank 8, another branch road connects sewage collecting pool 10, the top of vacuum buffer tank 4 is connected with vacuum pump set 9 by pipeline, be connected with sewage collecting pool 10 by pipeline on the downside of vacuum pump set 9, upside discharge duct is connected with spray absorption tower 13, the top of sewage collecting pool 10 is connected with spray absorption tower 13 by pipeline, spray absorption tower 13 comprises four layers of spray chamber 18.
Wherein the bottom of spray absorption tower 13 is provided with condensate liquid hybrid chamber 12.
Wherein the top of condensate liquid hybrid chamber 12 is provided with four layers of spray chamber 18, and the sidepiece of condensate liquid hybrid chamber 12 is connected with water circulating pump 11, and condensate liquid enters four layers of spray chamber 18 by water circulating pump 11 respectively by condensate liquid hybrid chamber 12.
Wherein the cooling water inlet 14 of first-stage condenser is positioned at the bottom of first-stage condenser 1, and the coolant outlet 15 of first-stage condenser is positioned at the top of first-stage condenser 1.
Wherein the cooling water inlet 16 of secondary condenser is positioned at the bottom of secondary condenser 3, and the coolant outlet 17 of secondary condenser is positioned at the top of secondary condenser 3.
The course of work of vacuum tail gas governing system is as follows: high-temperature tail gas enters first-stage condenser 1, the cooling water inlet 14 of first-stage condenser passes into cooling water, cooling water flows out from the coolant outlet 15 of first-stage condenser, rear tail gas enters in vacuum colletor 2, the cooling water inlet 5 of vacuum colletor passes into cooling water, cooling water is flowed out by the coolant outlet 6 of vacuum colletor, rear tail gas enters in secondary condenser 3, the cooling water inlet 16 of secondary condenser passes into cooling water, cooling water flows out from the coolant outlet 17 of first-stage condenser, after enter in vacuum buffer tank 4, after be divided into two-way, becoming condensate liquid through the condense most tail gas of condensed in two stages device is stored in collecting tank 8, the tail gas that part does not fully absorb is discharged in sewage collecting pool 10, enter in condensate liquid hybrid chamber 12, through the water circulating pump 11 of the sidepiece of subcooling condensate hybrid chamber 12, condensate liquid enters four layers of spray chamber 18 respectively by condensate liquid hybrid chamber 12, fully contact with the hydrogen peroxide solution in spray chamber 18, complete purification.
Because the vacuum decompression of mylar completes substantially under the hot conditions of about 240 DEG C, its tail gas produced under the high temperature conditions mainly contains the hydrocarbon of water and organic alcohols.Participate in the boiling point of the Organic Alcohol hydrocarbon of reaction except ethylene glycol 197 DEG C, all 210 DEG C and more than, so the high-temperature tail gas produced is stored in collecting tank becoming condensate liquid by major part during condensed in two stages device, not by the tail gas of timely condensation then by spray column time, fully contact with the vaporific hydrogenperoxide steam generator containing 10 ﹪, produce oxidation and decompose, thus reaching the object of purification.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (5)
1. a vacuum tail gas governing system, comprise first-stage condenser (1), vacuum colletor (2), secondary condenser (3), vacuum buffer tank (4) and spray absorption tower (13), it is characterized in that: described first-stage condenser (1) is connected with the top of described vacuum colletor (2), the cooling water inlet (5) of vacuum colletor and the coolant outlet (6) of vacuum colletor is provided with in described vacuum colletor (2), the top of described vacuum colletor (2) is connected with secondary condenser (3) by pipeline, described secondary condenser (3) is connected with the top of vacuum buffer tank (4), the export pipeline of the bottom of described vacuum buffer tank (4) is divided into two branch roads, article one, branch road connection absorption pump (7) enters collecting tank (8), another branch road connects sewage collecting pool (10), the top of vacuum buffer tank (4) is connected with vacuum pump set (9) by pipeline, described vacuum pump set (9) is connected with sewage collecting pool (10) with spray absorption tower (13) respectively by pipeline, the top of described sewage collecting pool (10) is connected with spray absorption tower (13) by pipeline, spray absorption tower (13) comprises four layers of spray chamber (18).
2. vacuum tail gas governing system according to claim 1, the bottom of wherein said spray absorption tower (13) is provided with condensate liquid hybrid chamber (12).
3. vacuum tail gas governing system according to claim 2, the top of wherein said condensate liquid hybrid chamber (12) is provided with four layers of spray chamber (18), the sidepiece of condensate liquid hybrid chamber (12) is connected with water circulating pump (11), and condensate liquid enters four layers of spray chamber (18) by water circulating pump (11) respectively by condensate liquid hybrid chamber (12).
4. vacuum tail gas governing system according to claim 1, the cooling water inlet (14) of first-stage condenser is positioned at the bottom of first-stage condenser (1), and the coolant outlet (15) of first-stage condenser is positioned at the top of first-stage condenser (1).
5. vacuum tail gas governing system according to claim 1, the cooling water inlet (16) of secondary condenser is positioned at the bottom of secondary condenser (3), and the coolant outlet (17) of secondary condenser is positioned at the top of secondary condenser (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937332.2U CN205109317U (en) | 2015-11-20 | 2015-11-20 | Vacuum tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937332.2U CN205109317U (en) | 2015-11-20 | 2015-11-20 | Vacuum tail gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205109317U true CN205109317U (en) | 2016-03-30 |
Family
ID=55564966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520937332.2U Expired - Fee Related CN205109317U (en) | 2015-11-20 | 2015-11-20 | Vacuum tail gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205109317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362649A (en) * | 2017-07-05 | 2017-11-21 | 合肥天翔环境工程有限公司 | Decayed off-gas processing equipment |
-
2015
- 2015-11-20 CN CN201520937332.2U patent/CN205109317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107362649A (en) * | 2017-07-05 | 2017-11-21 | 合肥天翔环境工程有限公司 | Decayed off-gas processing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160330 Termination date: 20191120 |