CN204380476U - A kind of device for the treatment of organic solvent in chemical industry tail gas - Google Patents
A kind of device for the treatment of organic solvent in chemical industry tail gas Download PDFInfo
- Publication number
- CN204380476U CN204380476U CN201420848437.6U CN201420848437U CN204380476U CN 204380476 U CN204380476 U CN 204380476U CN 201420848437 U CN201420848437 U CN 201420848437U CN 204380476 U CN204380476 U CN 204380476U
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- China
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- decompressor
- tail gas
- reduction box
- separation device
- condenser
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Abstract
The utility model provides a kind of device for the treatment of organic solvent in chemical industry tail gas, comprise condenser and decompressor, the outlet side of described condenser is connected with idetified separation device, described idetified separation device comprises housing, the built-in efficient separating filler bed of housing, the driving shaft of described efficient separating filler bed is connected with the output shaft of the second reduction box; The power shaft of described second reduction box is connected by the output shaft of power transmission shaft with the first reduction box, and the described power shaft of the first reduction box is connected with the rotor of decompressor; The described outlet side of idetified separation device is connected with the inlet end of decompressor, and the outlet side of described decompressor is connected with described condenser.Drive expansion machine rotor acting with tail gas and drive the efficient separating filler bed of idetified separation device to carry out High Rotation Speed, carry out seizure to the organic solvent microlayer model in tail gas to be separated, and throw away packed bed and collect, thus avoid drop and alter destroy expansion machine rotor in decompressor, improve decompressor acting utilization rate simultaneously.
Description
Technical field:
The utility model belongs to technical field of waste gas treatment, is specifically related to a kind of device for the treatment of organic solvent in chemical industry tail gas.
Technical background:
The organic solvent steam of the tail gas produced in general chemical process mostly containing trace and the inert gas of liquid particle thereof, as the oxidizing tower tail gas of anthraquinone Hydrogen Peroxide Production technique.Existing processing method is as follows: be condensed through tail gas condenser by the tail gas containing organic solvent, carry out after gas-liquid separation through Reconstruction of End Gas Separator again, enter active carbon adsorber (interior filling activated carbon granule), minim organic solvent in tail gas enters decompressor group after being tightly held by activated carbon separation, and expansion unit is made up of turbo-expander, balance blower fan, self-adjusting valve, instrument etc.The tail gas of certain flow enters turbo-expander swell refrigeration, cryogenic gas after expansion enters the tail gas of tail gas condenser cooling for process, low-pressure gas part emptying of backflowing after re-heat, another part is sent into decompressor with shaft balancing blower fan, emptying again after supercharging.Wherein the effect of braking blower is equilibrium swelling machine institute work.But there is following shortcoming in it: one is only be used for the acting of equilibrium swelling machine due to balance blower fan institute work, and utilization ratio is low; Two is supporting active carbon adsorbers because activated carbon granule very easily leaks, and these particles also can destroy the rotor of decompressor High Rotation Speed; Three is absorber active carbons when adsorbing saturated, if do not switched in time, separates out the organic solvent drop of growth once alter into decompressor, also can destroy expansion machine rotor from activated carbon granule; Four is that periodic replacement active carbon too increases operating cost.
Utility model content:
In order to solve the problems of the technologies described above, the utility model provides a kind of device for the treatment of organic solvent in chemical industry tail gas, simplifies device, and improves the safe operation time limit of decompressor.
A kind of device for the treatment of organic solvent in chemical industry tail gas, comprise condenser and decompressor, the outlet side of described condenser is connected with idetified separation device, described idetified separation device comprises housing, the built-in efficient separating filler bed of housing, the driving shaft of described efficient separating filler bed is connected with the output shaft of the second reduction box; The power shaft of described second reduction box is connected by the output shaft of power transmission shaft with the first reduction box, and the described power shaft of the first reduction box is connected with the rotor of decompressor; The described outlet side of idetified separation device is connected with the inlet end of decompressor, and the outlet side of described decompressor is connected with described condenser.
Further, described decompressor and the first reduction box are coaxial setting, and the second reduction box and efficient separating filler bed are coaxially arranged.
Further, the outlet side of described condenser is connected with tail gas blow-down pipe, and the outlet side of described decompressor is connected with condenser and tail gas blow-down pipe respectively; The outlet side of described idetified separation device is connected with decompressor, condenser and tail gas blow-down pipe respectively, and the connecting pipe between them is equipped with control valve.
Described decompressor is turbo-expander.
Control valve in this device in each tube connector is all for regulating tail gas parameters balance to arrange.
The utility model is adsorbed by idetified separation device, the organic solvent be separated in tail gas, because separating filler bed efficient in idetified separation device can High Rotation Speed, thus efficient separating filler is wherein caught liquid particle in tail gas, the drop of catching is thrown away packed bed and then flows down along the inner walls of idetified separation device and collect by the centrifugal force then utilizing the High Rotation Speed of efficient separating filler to produce, thus avoids drop and alter destroy expansion machine rotor in decompressor.The rotation of this efficient separating filler bed is driven by decompressor, namely the rotor high-speed of decompressor is driven to rotate acting by gas expansion, and the expansion machine rotor of High Rotation Speed is after two reduction box transmission with deceleration, drive the efficient separating filler bed in idetified separation device to carry out High Rotation Speed, realize being separated organic solvent in tail gas.
So the utility model has following beneficial effect:
1, the more existing device of device of the present utility model decreases two active carbon adsorbers (general need 2 take turns to operate), thus decreases equipment and the steam for regenerating and regularly need carry out the active carbon changed, reduces production cost; And also eliminate the potential safety hazard that activated carbon granule leaked, adsorbed the easy destruction decompressor high speed rotor that saturated precipitation drop brings.
2, the more existing device of device of the present utility model decreases Reconstruction of End Gas Separator, decreases equipment investment, and condensed tail gas directly enters idetified separation device, decreases the loss of refrigeration capacity brought by Reconstruction of End Gas Separator.
3, the utility model adopts idetified separation device to be separated the organic solvent in tail gas, and the drop of catching is thrown away packed bed and then flows down along the inner walls of idetified separation device and collects by the centrifugal force utilizing the High Rotation Speed of efficient separating filler to produce, thus avoid drop and alter destroy expansion machine rotor in decompressor.
4, this device drives expansion machine rotor acting with tail gas and drives the efficient separating filler bed of idetified separation device to carry out High Rotation Speed, improves decompressor acting utilization rate, decreases drive motors to drive, save power consumption, also make plant running more reliable and more stable.
5, utilize and carry out cooling down high-temperature tail gas through the cooled gas of decompressor as the cooling agent of condenser, reduce costs.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1-tail gas air inlet pipe, 2-condenser, 3-turbo-expander, 4-control valve, 5-first compression box, 6-power transmission shaft, 7-second compression box, 8-idetified separation device, 9-tail gas blow-down pipe.
Detailed description of the invention:
As shown in Figure 1, a kind of device for the treatment of organic solvent in chemical industry tail gas, comprise condenser 2 and turbo-expander 3, the outlet side of described condenser 2 is connected with idetified separation device 8, described idetified separation device 8 comprises housing, the built-in efficient separating filler bed of housing, the driving shaft of described efficient separating filler bed is connected with the output shaft of the second reduction box 7; The power shaft of described second reduction box 7 is connected with the output shaft of the first reduction box 5 by power transmission shaft 6, and the power shaft of described first reduction box 5 is connected with the rotor of turbo-expander 3; The outlet side of described idetified separation device 8 is connected with the inlet end of turbo-expander 3, and the outlet side of turbo-expander 3 is connected with condenser 2.
Further, turbo-expander 3 and the first reduction box 5 are coaxial setting, and the second reduction box 7 and efficient separating filler bed are coaxially arranged.The outlet side of condenser 2 is connected with tail gas blow-down pipe 9, and the outlet side of turbo-expander 3 is connected with condenser 2 and tail gas blow-down pipe 9 respectively; The outlet side of described idetified separation device 8 is connected with turbo-expander 3, condenser 2 and tail gas blow-down pipe 9 respectively, the connecting pipe between them is equipped with control valve 4 and is used for regulating tail gas parameters balance.
The operating process of this device is as follows: the tail gas containing organic solvent enters after condenser 2 condensation through tail gas air inlet pipe 1, in tail gas, organic solvent is condensed and condenses into microlayer model, enter in idetified separation device 8 again, wherein organic solvent microlayer model is caught by the filler in efficient separating filler bed, the gas removing organic solvent is flowed out by its top, enter in turbo-expander 3 through control valve 4, the rotor of turbo-expander 3 is driven to carry out High Rotation Speed acting by gas expansion, and by the first reduction box 5, second reduction box 7 transmit successively with slow down after, passed to idetified separation device 8, efficient separating filler bed is driven to carry out High Rotation Speed, the drop of catching is thrown away efficient separating filler bed and flows down along the inner walls of idetified separation device 8 and collects by the centrifugal force that efficient separating filler bed carries out rotating and produces, thus avoid drop and alter destroy expansion machine rotor in decompressor.Gas after turbo-expander 3 is lowered the temperature enters for cooling the tail gas transmitted from tail gas air inlet pipe 1 in condenser 2 again, and the gas after heat exchange carries out emptying discharge through tail gas blow-down pipe 9.
Above embodiment is not limited only to protection domain of the present utility model, all basic thoughts based on utility model and modify or change all belong to protection domain of the present utility model.
Claims (4)
1. the device for the treatment of organic solvent in chemical industry tail gas, comprise condenser and decompressor, it is characterized in that: the outlet side of described condenser is connected with idetified separation device, described idetified separation device comprises housing, the built-in efficient separating filler bed of housing, the driving shaft of described efficient separating filler bed is connected with the output shaft of the second reduction box; The power shaft of described second reduction box is connected by the output shaft of power transmission shaft with the first reduction box, and the described power shaft of the first reduction box is connected with the rotor of decompressor; The described outlet side of idetified separation device is connected with the inlet end of decompressor, and the outlet side of described decompressor is connected with described condenser.
2. device according to claim 1, is characterized in that: described decompressor and the first reduction box are arranged for coaxial, and the second reduction box and efficient separating filler bed are coaxially arranged.
3. device according to claim 1, is characterized in that: the outlet side of described condenser is connected with tail gas blow-down pipe, and the outlet side of described decompressor is connected with condenser and tail gas blow-down pipe respectively; The outlet side of described idetified separation device is connected with decompressor, condenser and tail gas blow-down pipe respectively, and the connecting pipe between them is equipped with control valve.
4., according to the arbitrary described device of claim 1-3, it is characterized in that: described decompressor is turbo-expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848437.6U CN204380476U (en) | 2014-12-29 | 2014-12-29 | A kind of device for the treatment of organic solvent in chemical industry tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848437.6U CN204380476U (en) | 2014-12-29 | 2014-12-29 | A kind of device for the treatment of organic solvent in chemical industry tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204380476U true CN204380476U (en) | 2015-06-10 |
Family
ID=53353233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848437.6U Expired - Fee Related CN204380476U (en) | 2014-12-29 | 2014-12-29 | A kind of device for the treatment of organic solvent in chemical industry tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204380476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548858A (en) * | 2014-12-29 | 2015-04-29 | 安徽淮化股份有限公司 | Device for treating organic solvent in chemical exhaust gas |
-
2014
- 2014-12-29 CN CN201420848437.6U patent/CN204380476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548858A (en) * | 2014-12-29 | 2015-04-29 | 安徽淮化股份有限公司 | Device for treating organic solvent in chemical exhaust gas |
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Legal Events
| Date | Code | Title | Description |
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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 |
Granted publication date: 20150610 Termination date: 20171229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |