CN204285438U - Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus - Google Patents
Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus Download PDFInfo
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- CN204285438U CN204285438U CN201420769399.5U CN201420769399U CN204285438U CN 204285438 U CN204285438 U CN 204285438U CN 201420769399 U CN201420769399 U CN 201420769399U CN 204285438 U CN204285438 U CN 204285438U
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- feed preheater
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- backwater
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Abstract
The utility model openly produces dimethyl carbonate process system novel high pressure steam condensation water treating apparatus, the bottom liquid phases outlet of high pressure backwater flash tank is connected with first time water inlet of high-pressure tower feed preheater bottom by pipeline, the first upper water-out mouth on high-pressure tower feed preheater top by pipeline with in push back water flash tank the import of middle pressure steam backwater be connected, in push back water flash tank bottom liquid phases outlet be connected with second time water inlet of lower pressure column feed preheater bottom, the second upper water-out mouth on lower pressure column feed preheater top is connected with condensation tank by pipeline, the bottom of high-pressure tower feed preheater arranges high-pressure tower material feeding mouth, top arranges high-pressure tower material discharging opening, the bottom of lower pressure column feed preheater arranges lower pressure column material feeding mouth, top arranges lower pressure column material discharging opening.Solve the problem that superheated steam backwater boiler cannot directly be recycled, the application of thermal coupling makes the heat of overheated backwater make full use of, and energy resource consumption significantly reduces.
Description
Technical field
The utility model relates to produces dimethyl carbonate process system, specifically produces dimethyl carbonate process system novel high pressure steam condensation water treating apparatus.
Background technology
Dimethyl carbonate production by transesterification is main flow production technology domestic at present, dimethyl carbonate has different extracting and concentrating technology, this device is high pressure concentrate, therefore the steam of 0.3-2.5MPa different brackets is needed in the reaction, and different brackets steam condensate (SC) temperature, pressure is different and be superheat state, also to add after unified back boiler after cold water is blent and can continue to use, and cause great heat waste.
Utility model content
The purpose of this utility model is that to solve the steam condensate (SC) of different pressures grade overheated, and boiler cannot directly utilize and the difficult problem of solidifying water heat waste, provides a kind of and produces dimethyl carbonate process system novel high pressure steam condensation water treating apparatus.
The utility model for achieving the above object and adopt technical scheme be:
Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus, comprise high pressure backwater flash tank, high-pressure tower feed preheater, in push back water flash tank, lower pressure column feed preheater and condensation tank;
Described high pressure backwater flash tank and in push back water flash tank top all gaseous phase outlet is set, bottom all arranges liquid-phase outlet,
The bottom liquid phases outlet of described high pressure backwater flash tank is connected with first time water inlet of high-pressure tower feed preheater bottom by pipeline, the first upper water-out mouth on high-pressure tower feed preheater top by pipeline with in push back water flash tank the import of middle pressure steam backwater be connected, in push back water flash tank bottom liquid phases outlet be connected with second time water inlet of lower pressure column feed preheater bottom, the second upper water-out mouth on lower pressure column feed preheater top is connected with condensation tank by pipeline; Condensation tank is connected with boiler by pipeline;
Described condensation tank is also provided with drain, is used for discharging on-condensible gas, the pressure inside and outside balance condensation tank.
The bottom of described high-pressure tower feed preheater arranges high-pressure tower material feeding mouth, top arranges high-pressure tower material discharging opening, the effect of high-pressure tower feed preheater is the material utilizing the heat preheating of steam condensation water to produce dimethyl carbonate process system mesohigh tower, make full use of the heat of overheated backwater, energy resource consumption significantly reduces.
The bottom of described lower pressure column feed preheater arranges lower pressure column material feeding mouth, top arranges lower pressure column material discharging opening, the effect of lower pressure column feed preheater is the material utilizing the heat preheating of steam condensation water to produce dimethyl carbonate process system mesolow tower, make full use of the heat of overheated backwater, energy resource consumption significantly reduces.
Connect high pressure backwater flash tank gaseous phase outlet pipeline and in push back water flash tank gaseous phase outlet pipeline on all control valve is set.
The gaseous phase outlet of described high pressure backwater flash tank is connected with middle pressure gas-distributing cylinder by pipeline.
The gaseous phase outlet pushing back water flash tank in described is connected with low pressure gas-distributing cylinder by pipeline.
The high-pressure tower material discharging opening of described high-pressure tower feed preheater is connected with high-pressure tower by pipeline.
The lower pressure column material discharging opening of described lower pressure column feed preheater is connected with lower pressure column by pipeline.
The beneficial effects of the utility model are: the use of this device solves the problem that superheated steam backwater boiler cannot directly be recycled, and the application of thermal coupling makes the heat of overheated backwater make full use of, and energy resource consumption significantly reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Wherein, 1, high pressure backwater flash tank, 1-3, the import of high steam backwater, 1-4, automatic regulating valve, 2, high-pressure tower feed preheater, 2-2, high-pressure tower material feeding mouth, 2-1, high-pressure tower material discharging opening, 2-3, first time water inlet, 2-4, first upper water-out mouth, 3, in push back water flash tank, 1-1 and 3-1 is gaseous phase outlet, 1-2 and 3-2 is liquid-phase outlet, 3-3, the import of middle pressure steam backwater, 3-4, automatic regulating valve, 4, lower pressure column feed preheater, 4-2, lower pressure column material feeding mouth, 4-1, lower pressure column material discharging opening, 4-3, second time water inlet, 4-4, second upper water-out mouth, 5, condensation tank, 5-1, drain, 5-2, delivery port, 5-3, water inlet.
Detailed description of the invention
Embodiment 1
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus, comprise high pressure backwater flash tank 1, high-pressure tower feed preheater 2, in push back water flash tank 3, lower pressure column feed preheater 4 and condensation tank 5,
Described high pressure backwater flash tank 1 and in push back water flash tank 3 top gaseous phase outlet 1-1,3-1 are all set, bottom all arranges liquid-phase outlet 1-2,3-2;
The bottom liquid phases outlet 1-2 of described high pressure backwater flash tank 1 is connected with first time water inlet 2-3 of high-pressure tower feed preheater 2 bottom by pipeline, the first upper water-out mouth 2-4 on high-pressure tower feed preheater 2 top by pipeline with in push back water flash tank 3 middle pressure steam backwater import 3-3 be connected, in push back water flash tank 3 second time water inlet 4-3 of bottom liquid phases delivery port 3-2 and lower pressure column feed preheater 4 bottom be connected, the second upper water-out mouth 4-4 on lower pressure column feed preheater 4 top is connected with condensation tank 5 by pipeline, the top of described condensation tank 5 is provided with drain 5-1, be used for discharging on-condensible gas, the delivery port 5-2 of condensation tank 5 is connected with boiler by pipeline.
The bottom of described high-pressure tower feed preheater 2 arranges high-pressure tower material feeding mouth 2-2, top arranges high-pressure tower material discharging opening 2-1, high-pressure tower material discharging opening 2-1 is connected with high-pressure tower by pipeline, the effect of high-pressure tower feed preheater 2 is the materials utilizing the heat preheating of steam condensation water to produce dimethyl carbonate process system mesohigh tower, make full use of the heat of overheated backwater, energy resource consumption significantly reduces.The liquid phase water temperature that high pressure backwater flash tank 1 flashes off meets high-pressure tower preheat temperature, can carry out thermal coupling heat exchange.
The bottom of described lower pressure column feed preheater 4 arranges lower pressure column material feeding mouth 4-2, and top arranges lower pressure column material discharging opening 4-1, and lower pressure column material discharging opening 4-1 is connected with lower pressure column by pipeline.The effect of lower pressure column feed preheater 4 is the materials utilizing the heat preheating of steam condensation water to produce dimethyl carbonate process system mesolow tower, and make full use of the heat of overheated backwater, energy resource consumption significantly reduces.In push back the liquid phase water temperature that water flash tank 3 flashes off and meet lower pressure column temperature, can thermal coupling heat exchange be carried out.
Connect the install pipeline automatic regulating valve 1-4 of high pressure backwater flash tank 1 gaseous phase outlet 1-1 and middle pressure gas-distributing cylinder, in push back water flash tank 3 gaseous phase outlet 3-1 pipeline on automatic regulating valve 3-4 and low pressure gas-distributing cylinder are set, automatic regulating valve 1-4,3-4 regulate gaseous pressure, adopt the pressure of automatic regulating valve controlled atmosphere solar term phase, then enter gas-distributing cylinder, steam is distributed.
The groundwork process of the present embodiment: high steam backwater is passed into high pressure backwater flash tank 1 and process rear top gas phase and enter middle pressure gas-distributing cylinder, adopts automatic regulating valve 1-4 to regulate gaseous pressure; Liquid phase pushes back water flash tank 3 in entering after the superheat state of steam condensation water is eliminated in heat exchange in high-pressure tower feed preheater 2 (thermal coupling), in push back water flash tank 3 top gas phase and enter low pressure sub-cylinder, adopt automatic regulating valve 3-4 to regulate gaseous pressure; Liquid phase enters condensate water groove 5 after the superheat state of steam condensation water is eliminated in heat exchange in lower pressure column feed preheater 4 (thermal coupling), and the steam condensation water of the tank 4 that condenses so just can directly utilize by back boiler.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus, it is characterized in that: comprise high pressure backwater flash tank, high-pressure tower feed preheater, in push back water flash tank, lower pressure column feed preheater and condensation tank;
Described high pressure backwater flash tank and in push back water flash tank top all gaseous phase outlet is set, bottom all arranges liquid-phase outlet,
The bottom liquid phases outlet of described high pressure backwater flash tank is connected with first time water inlet of high-pressure tower feed preheater bottom by pipeline, the first upper water-out mouth on high-pressure tower feed preheater top by pipeline with in push back water flash tank the import of middle pressure steam backwater be connected, in push back water flash tank bottom liquid phases outlet be connected with second time water inlet of lower pressure column feed preheater bottom, the second upper water-out mouth on lower pressure column feed preheater top is connected with condensation tank by pipeline;
The bottom of described high-pressure tower feed preheater arranges high-pressure tower material feeding mouth, and top arranges high-pressure tower material discharging opening,
The bottom of described lower pressure column feed preheater arranges lower pressure column material feeding mouth, and top arranges lower pressure column material discharging opening.
2. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that: condensation tank is connected with boiler by pipeline.
3. as claimed in claim 1 produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus, it is characterized in that: connect high pressure backwater flash tank gaseous phase outlet pipeline and in push back water flash tank gaseous phase outlet pipeline on all control valve is set.
4. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that: the gaseous phase outlet of described high pressure backwater flash tank is connected with middle pressure gas-distributing cylinder by pipeline.
5. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that: the gaseous phase outlet pushing back water flash tank in described is connected with low pressure gas-distributing cylinder by pipeline.
6. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that: the high-pressure tower material discharging opening of described high-pressure tower feed preheater is connected with high-pressure tower by pipeline.
7. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that:
The lower pressure column material discharging opening of described lower pressure column feed preheater is connected with lower pressure column by pipeline.
8. production dimethyl carbonate process system as claimed in claim 1 novel high pressure steam condensation water treating apparatus, is characterized in that: described condensation tank is also provided with drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769399.5U CN204285438U (en) | 2014-12-08 | 2014-12-08 | Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769399.5U CN204285438U (en) | 2014-12-08 | 2014-12-08 | Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204285438U true CN204285438U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769399.5U Expired - Fee Related CN204285438U (en) | 2014-12-08 | 2014-12-08 | Produce dimethyl carbonate process system novel high pressure steam condensation water treating apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234695A (en) * | 2021-12-06 | 2022-03-25 | 益海（泰州）粮油工业有限公司 | Oil expression workshop condensed water heat energy recycling system and recycling method thereof |
-
2014
- 2014-12-08 CN CN201420769399.5U patent/CN204285438U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234695A (en) * | 2021-12-06 | 2022-03-25 | 益海（泰州）粮油工业有限公司 | Oil expression workshop condensed water heat energy recycling system and recycling method thereof |
| CN114234695B (en) * | 2021-12-06 | 2023-09-29 | 益海（泰州）粮油工业有限公司 | Condensate water heat energy recycling system and method for oil extraction workshop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151208 |
|
| EXPY | Termination of patent right or utility model |