CN203971438U - A kind of tail gas of vacuum gas pump second-time recycling device - Google Patents
A kind of tail gas of vacuum gas pump second-time recycling device Download PDFInfo
- Publication number
- CN203971438U CN203971438U CN201420138514.9U CN201420138514U CN203971438U CN 203971438 U CN203971438 U CN 203971438U CN 201420138514 U CN201420138514 U CN 201420138514U CN 203971438 U CN203971438 U CN 203971438U
- Authority
- CN
- China
- Prior art keywords
- feeder tank
- entrance
- pump
- condenser
- pipe fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000003063 flame retardant Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- -1 cyclic phosphonic acid ester Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010701 ester synthesis reaction Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model discloses a kind of tail gas of vacuum gas pump second-time recycling device, it comprises a vavuum pump and condenser, vacuum delivery side of pump is communicated with the entrance of condenser, the outlet of described condenser is connected with the entrance of the first feeder tank, the outlet of the first feeder tank is connected by pipe fitting with the entrance of the second feeder tank, on described the first feeder tank and the second feeder tank, be provided with blow-down pipe, described the second feeder tank is connected by pipe fitting with the entrance of vavuum pump, the lower end of the second feeder tank is provided with discharge pipe, discharge pipe, be arranged on the blow-down pipe on the second feeder tank, be communicated with the pipe fitting between the outlet of the first feeder tank and the entrance of the second feeder tank and be connected on the pipe fitting between the second feeder tank and the entrance of vavuum pump valve is installed.The utlity model has the raising rate of recovery, reduce production costs, reduce the feature of environmental pollution.
Description
Technical field:
The utility model relates to tail gas recycle technical field, more specifically to the tail gas of vacuum gas pump second-time recycling device after a kind of fire retardant cyclic phosphonic acid ester synthesis reaction.
Background technology:
At fire retardant annular phosphonate in the process of carrying out synthetic reaction, the reason such as feed intake because raw material dimethyl methyl phosphonate is excessive, after finishing, its synthetic reaction dimethyl methyl phosphonate must be deviate from, in final flame retardant products, require the residue of dimethyl methyl phosphonate to be less than 0.1%, and the atmospheric boiling point of dimethyl methyl phosphonate is 180 DEG C and the decomposition of high temperature long-time heating.Therefore the vacuum decompression Distillation recoveries that adopt, while adopting vacuum to reclaim, although strengthen film-cooled heat more, reduce cooling water temperature, tail gas of vacuum gas pump still unavoidably has dimethyl methyl phosphonate tail gas to discharge, and raw materials recovery rate is not high, increased cost, and the not treated direct discharge of tail gas affects environment.Consider from consumption reduction, environmental requirement, need to carry out further secondary recovery more thoroughly to the dimethyl methyl phosphonate in tail gas.
Utility model content:
The purpose of this utility model is just to provide a kind of tail gas of vacuum gas pump second-time recycling device, and it has the raising rate of recovery, reduces production costs, and reduces the feature of environmental pollution.
For achieving the above object, a kind of tail gas of vacuum gas pump second-time recycling device of the present utility model, it comprises a vavuum pump and condenser, vacuum delivery side of pump is communicated with the entrance of condenser, the outlet of described condenser is connected with the entrance of the first feeder tank, the outlet of the first feeder tank is connected by pipe fitting with the entrance of the second feeder tank, on described the first feeder tank and the second feeder tank, be provided with blow-down pipe, described the second feeder tank is connected by pipe fitting with the entrance of vavuum pump, the lower end of the second feeder tank is provided with discharge pipe, discharge pipe, be arranged on the blow-down pipe on the second feeder tank, be communicated with the pipe fitting between the outlet of the first feeder tank and the entrance of the second feeder tank and be connected on the pipe fitting between the second feeder tank and the entrance of vavuum pump valve is installed.
As technique scheme preferably, the sewage draining exit of described vavuum pump is connected with the first feeder tank by pipe fitting.
As technique scheme preferably, on described the first feeder tank, be provided with liquid level gauge.
As technique scheme preferably, described vavuum pump is without oily vertical type vacuum pump.
As technique scheme preferably, described condenser is water-cooled shell and tube condenser.
The beneficial effects of the utility model are: the utility model can carry out to fire retardant annular phosphonate the secondary recovery of dimethyl methyl phosphonate in the tail gas after carrying out synthetic reaction, it improves the dimethyl methyl phosphonate rate of recovery in tail gas, reduce production costs, reduce the amount that dimethyl methyl phosphonate enters air simultaneously, can reduce the feature of environmental pollution.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model
In figure: 1, vavuum pump; 2, condenser; 3, the second feeder tank; 4, the first feeder tank; 5, liquid level gauge; 6,7,8,9, valve; 10,19, blow-down pipe; 11, air inlet pipe; 12,13,16,18,20, pipe fitting; 14, water inlet; 15, outlet; 17, discharge pipe
Detailed description of the invention:
Therefore the following stated only, for embodying the preferred embodiment of the utility model principle, does not limit protection domain of the present utility model
Be illustrated in figure 1 the embodiment of a kind of tail gas of vacuum gas pump second-time recycling device of the utility model, it comprises a vavuum pump 1 and condenser 2, the outlet of vavuum pump 1 is communicated with the entrance of condenser 2, in the present embodiment, the outlet of vavuum pump 1 is communicated with by pipe fitting 13 with the entrance of condenser 2, the outlet of described condenser 2 is connected with the entrance of the first feeder tank 4, in the present embodiment, the outlet of condenser 2 is communicated with by pipe fitting 20 with the entrance of the first feeder tank 4, the outlet of the first feeder tank 4 is connected by pipe fitting 16 with the entrance of the second feeder tank 3, on described the first feeder tank 4 and the second feeder tank 3, be respectively arranged with blow-down pipe 19 and blow-down pipe 10, the effect of blow-down pipe 19 and blow-down pipe 10 is to make groove tank inner and outer air pressure to be consistent, described the second feeder tank 3 is connected by pipe fitting 12 with the entrance of vavuum pump 1, the lower end of the second feeder tank 3 is provided with discharge pipe 17, valve 6 is installed on discharge pipe 17, valve 7 is installed on pipe fitting 16, valve 8 is installed on pipe fitting 12, valve 9 is installed on blow-down pipe 10, in addition in the present embodiment, the porch of vavuum pump 1 is connected an air inlet pipe 11, pipe fitting 12 is connected with air inlet pipe 11.
In the present embodiment, the sewage draining exit of vavuum pump 1 is connected with the first feeder tank 4 by pipe fitting 18, when vavuum pump 1 plunger shaft operation, need adopt water quench, in this process, condensation occurs, and has part precooling lime set to discharge from sewage draining exit.
In the present embodiment, on the first feeder tank 4, be provided with liquid level gauge 5, liquid level gauge 5 can connect the liquid level situation of the liquid that the first feeder tank 4 collects.
Vavuum pump 1 is without oily vertical type vacuum pump, and condenser 2 is water-cooled shell and tube condenser, and tail gas enters tubulation shell, and cooling water is walked tubulation, and the cold water of circulation enters from water inlet 14, discharges from outlet 15.
The utility model is in work, open vavuum pump 1, suck uncooled dimethyl methyl phosphonate gas from air inlet pipe 11, after vavuum pump 1 compression, enter condenser 2 through pipe fitting 13, enter on the first feeder tank 4 first feeder tanks 4 that are arranged in below liquid level gauge 5 is installed by pipe fitting 20 through the condensate liquid after condenser 2 condensations, in the time collecting certain liquid level, Open valve 8, valve-off 9 and valve 6.The second feeder tank 3 is vacuumized, slowly open after valve 7 while vacuumizing, the condensate liquid in the first feeder tank 4 is through pipe fitting 16 suction the second feeder tanks 3.Complete the transfer of the condensate liquid in the first feeder tank 4.Turn material complete, valve-off 7, valve 8, operation so repeatedly, until the amount of dimethyl methyl phosphonate reclaiming in the second feeder tank 3 reach a certain amount of after, open valve 9 the second feeder tank 3 emptying have been reached to inner and outer air pressure consistent (now valve 7, valve 8 are in closed condition) in the second feeder tank 3, after the second feeder tank 3 emptying, can at the bottom of tank, open valve 6, then blowing barrelling, send rectifying workshop section rectification process afterwards.
Claims (5)
1. a tail gas of vacuum gas pump second-time recycling device, it comprises a vavuum pump (1) and condenser (2), it is characterized in that: the outlet of vavuum pump (1) is communicated with the entrance of condenser (2), the outlet of described condenser (2) is connected with the entrance of the first feeder tank (4), the outlet of the first feeder tank (4) is connected by pipe fitting with the entrance of the second feeder tank (3), on described the first feeder tank (4) and the second feeder tank (3), be provided with blow-down pipe, described the second feeder tank (3) is connected by pipe fitting with the entrance of vavuum pump (1), the lower end of the second feeder tank (3) is provided with discharge pipe (17), discharge pipe (17), be arranged on the blow-down pipe on the second feeder tank (3), be communicated with the pipe fitting between the outlet of the first feeder tank (4) and the entrance of the second feeder tank (3) and be connected to the second feeder tank (3) and the entrance of vavuum pump (1) between pipe fitting on valve is installed.
2. a kind of tail gas of vacuum gas pump second-time recycling device according to claim 1, is characterized in that: the sewage draining exit of vavuum pump (1) is connected with the first feeder tank (4) by pipe fitting.
3. a kind of tail gas of vacuum gas pump second-time recycling device according to claim 1, is characterized in that: on the first feeder tank (4), be provided with liquid level gauge (5).
4. according to a kind of tail gas of vacuum gas pump second-time recycling device described in any one in claims 1 to 3, it is characterized in that: vavuum pump (1) is without oily vertical type vacuum pump.
5. according to a kind of tail gas of vacuum gas pump second-time recycling device described in any one in claims 1 to 3, it is characterized in that: condenser (2) is water-cooled shell and tube condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138514.9U CN203971438U (en) | 2014-03-25 | 2014-03-25 | A kind of tail gas of vacuum gas pump second-time recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138514.9U CN203971438U (en) | 2014-03-25 | 2014-03-25 | A kind of tail gas of vacuum gas pump second-time recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203971438U true CN203971438U (en) | 2014-12-03 |
Family
ID=51968908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138514.9U Expired - Lifetime CN203971438U (en) | 2014-03-25 | 2014-03-25 | A kind of tail gas of vacuum gas pump second-time recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203971438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225616A (en) * | 2021-12-14 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Vacuum vortex retarding device |
-
2014
- 2014-03-25 CN CN201420138514.9U patent/CN203971438U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225616A (en) * | 2021-12-14 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Vacuum vortex retarding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203333536U (en) | Device for recycling acetylene gas from carbide slag slurry | |
| CN103342399B (en) | Acetylene from calcium carbide peace and quiet useless sodium stripping system and method | |
| CN203678369U (en) | Circulating cooling system of reaction kettle | |
| CN203971438U (en) | A kind of tail gas of vacuum gas pump second-time recycling device | |
| CN204265717U (en) | Steam heating washing oil negative pressure crude benzol distillation plant | |
| CN206276253U (en) | Heat reclaim unit after sodium silicate dissolving | |
| CN204447988U (en) | Alkyd resin production equipment | |
| CN203816262U (en) | Condensation recycling device | |
| CN105152171A (en) | Special system and method for continuously recovering chlorosilane containing slurry in polycrystalline silicon production process | |
| CN102886151B (en) | Device and method for recovering heat from three-tower methanol rectification | |
| CN205300299U (en) | Device of noncondensable gas in vertical condenser of desorption | |
| CN102698569A (en) | Negative pressure-type recovery device for methanol and process for negative pressure-type recovery device | |
| CN104096378A (en) | Ethanol steam recycling tank | |
| CN205223173U (en) | Distillation type equipment of making wine with explosion -proof function | |
| CN205340183U (en) | Multi -functional alcohol recovery tower | |
| CN204881233U (en) | Integral type doublestage condenser | |
| CN205300292U (en) | Hydrogen chloride gas condenser | |
| CN205328899U (en) | Triphenyl phosphite and recovery unit of phenol in derivant production thereof | |
| CN205340196U (en) | Crude carbolic acid rectification system | |
| CN209378482U (en) | Needle-shape coke raw material purifying plant | |
| CN204824191U (en) | Dedicated system is retrieved in succession to chloride silane thick liquids in polycrystalline silicon production process | |
| CN204219958U (en) | Flue gas cleaner | |
| CN220588980U (en) | Turpentine rectifying column system | |
| CN202803071U (en) | Negative pressure type methanol recycling device | |
| CN204051016U (en) | A kind of three condenser systems for reclaiming ethanol |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 88, Zhonghua East Road, Guanzhuang, Houbao Community, Tianmushan Street, Jiangyan District, Taizhou City, Jiangsu Province 225529 Patentee after: Jiangsu LISIDE New Materials Co.,Ltd. Address before: 225500 Houbao village, Shengao Town, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: Jiangsu Liside New Material Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |