CN101644177B - Dead steam reuse system - Google Patents
Dead steam reuse system Download PDFInfo
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- CN101644177B CN101644177B CN200910086397A CN200910086397A CN101644177B CN 101644177 B CN101644177 B CN 101644177B CN 200910086397 A CN200910086397 A CN 200910086397A CN 200910086397 A CN200910086397 A CN 200910086397A CN 101644177 B CN101644177 B CN 101644177B
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- steam
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- jet
- condensation
- reuse
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Abstract
The invention relates to a dead steam reuse system, which comprises a closed recovery tank, a first jet pump and a second jet pump, wherein the jet outlet of the first jet pump is connected with the inlet of steam equipment. The jet inlet of the first jet pump is connected with a steam pipe network by a pipeline. The suction inlet of the first jet pump is connected with the steam outlet of the closed recovery tank. The closed recovery tank is provided with a high pressure jet output pump. The outlet of the high pressure jet output pump is connected with the jet inlet of the second jet pump by a jet pipeline. The jet outlet of the second jet pump is connected with the inlet of the closed recovery tank. The suction inlet of the second jet pump is connected with the dead steam/condensate water outlet of the steam equipment by a recovery pipeline. The dead steam reuse system recovers and reuses the dead steam of the steam equipment by the action of the jet pumps. Meanwhile, the dead steam reuse system effectively utilizes heat energy in the dead steam of the steam equipment and avoids thermal pollution. The system is mainly applied to recycling the dead steam and condensate water with different pressure.
Description
Technical field
The present invention relates to a kind of dead steam reuse system, be mainly used in the exhaust steam of multiple different pressures and the recovery and the utilization of water of condensation.
Background technique
The reclaiming system of existing exhaust steam and water of condensation is by condensation tank or coagulate water pot, the connecting tube that condenses between rear pump and these parts forms; Water of condensation and exhaust steam that gas utilization unit produces; Get into water tank after double evaporation-cooling is discharged in the atmosphere, caused the waste and the thermo-pollution of resource.
Summary of the invention
In order to overcome the above-mentioned defective of existing technology, the invention provides a kind of dead steam reuse system, this system can reclaim the exhaust steam and the water of condensation of gas utilization unit effectively, and can these exhaust steam be returned and be back to gas utilization unit effectively.
The technological scheme that the present invention adopts: a kind of dead steam reuse system; Comprise the enclosed recycling can; Also comprise first Jet injector and second Jet injector; The jet exit of said first Jet injector connects the import of said gas utilization unit, and the jet inlet of said first Jet injector connects steam pipe system through pipeline, and the suction inlet of said first Jet injector connects the steam (vapor) outlet of said enclosed recycling can; Said enclosed recycling can is provided with the high-pressure spray rear pump; Said high-pressure spray output delivery side of pump connects the jet inlet of said second Jet injector through the jet pipeline, and the jet exit of said second Jet injector connects the import of said enclosed recycling can, and the suction inlet of said second Jet injector connects exhaust steam/water of condensation outlet of said gas utilization unit through recovery channel.
Said first Jet injector adopts the vertical structure that jet can be from top to bottom.
The length of said first Jet injector generally should be not less than 3 meters.
The length of said first Jet injector can be 6-10 rice.
Vapor pressure in the said enclosed recycling can usually should be greater than the exhaust steam pressure of said gas utilization unit, and less than the required vapor pressure of gas utilization unit, the vapor pressure of said steam pipe system should be greater than the required vapor pressure of said gas utilization unit.
For example, the vapor pressure in the said enclosed recycling can is 01-0.3MPa, and the required vapor pressure of said gas utilization unit is 0.4-1.2MPa, and the vapor pressure of said steam pipe system is 0.6-1.6MPa.
Said second Jet injector can be provided with the suction inlet of a plurality of different suction forces.
The suction inlet of second Jet injector that the exhaust steam of said gas utilization unit/the water of condensation outlet connects can be the suction inlet that suction force is bigger on said second Jet injector; The less suction of suction force inlet connects the steam source outside exhaust steam/water of condensation outlet of said gas utilization unit on said second Jet injector through pipeline; The vapor pressure of the steam source outside the exhaust steam of said gas utilization unit/water of condensation outlet is greater than the exhaust steam pressure of said gas utilization unit, less than the vapor pressure in the said enclosed recycling can.
Said high-pressure spray output delivery side of pump can also be connected with water of condensation reuse pipeline or said enclosed recycling can also is provided with water of condensation reuse rear pump, and said water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.
Said high-pressure spray rear pump and said water of condensation reuse rear pump generally all should be installed in the bottom of said enclosed recycling can, and the import of said high-pressure spray rear pump and said water of condensation reuse rear pump is connected in the water of condensation outlet of said enclosed recycling can bottom.
Beneficial effect of the present invention: the present invention forms high pressure, through the pressure control of appropriateness through the high-pressure spray effect of second Jet injector in the enclosed recycling can; When improving vapor pressure, making the part vapor condenses is water; Therefore enclosed recycling can bottom is a water of condensation, and top is steam, realizes that exhaust steam is by the conversion of vapour phase to liquid phase; Simultaneously; Pressure in the said enclosed recycling can is higher than exhaust steam and the water of condensation pressure that said gas utilization unit is discharged, and the secondary steam of formation higher quality is so that reuse, according to design of the present invention; Secondary steam pressure in the said enclosed recycling can need just can not be back to gas utilization unit greater than the vapor pressure in the gas utilization unit, can save thus to forming the more power consumption of high pressure; Steam source outside the exhaust steam of the said gas utilization unit that other lower pressures are arranged/water of condensation outlet (other waste steam recovery channels for example; Hereinafter to be referred as other steam sources) time; Can also utilize other suction inlets steam that these are inferior even useless of said second Jet injector to send in the enclosed recycling can through pumping action at said second Jet injector; At the vapor pressure on enclosed recycling can top less than the pressure in the said gas utilization unit; The present invention has effectively utilized the safety pressure margin of steam line; Forming power sucks the steam in the recycling can through the first Jet injector mode of jet; Formation can be satisfied the mixed vapour with the vapour requirement, effectively is back to gas utilization unit.In addition; Because first Jet injector adopts the mode of vertical installation to be installed in the whole system; Utilize the height fall of the import and export of vertical structure formation; Increase the flow velocity and the jet pressure of the first Jet injector jet, thereby increase the suction force at the first Jet injector pump port place, reduced thus powered attendant-controlled wheelchairs demand.Through exhaust steam and the water of condensation recycling that the present invention produces gas utilization unit effectively, the waste and the thermo-pollution of resource have been avoided.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Referring to Fig. 1; A kind of dead steam reuse system; Comprise gas utilization unit 1 and recycling can 2, also comprise first Jet injector 3 and second Jet injector 4, the jet exit of said first Jet injector connects the import of said gas utilization unit; The jet inlet of said first Jet injector connects steam pipe system 7 through pipeline; The suction inlet of said first Jet injector connects the steam (vapor) outlet of said enclosed recycling can, and said enclosed recycling can is provided with high-pressure spray rear pump 8, and said high-pressure spray output delivery side of pump connects the jet inlet of said second Jet injector through jet pipeline 5; The jet exit of said second Jet injector connects the import of said enclosed recycling can, and the suction inlet of said second Jet injector connects the exhaust steam/water of condensation outlet of said gas utilization unit through recovery channel.
Said first, second Jet injector can adopt Venturi tube or other equipment through jet suction medium of various suitable structures.
In order to make said first Jet injector better accomplish jet and suction operation, said first Jet injector adopts vertical structure to be installed in the said dead steam reuse system, and said second Jet injector can adopt vertical structure to install also can adopt the installation of horizontal type structure.
For the height fall that utilizes first Jet injector to import and export, the length of said first Jet injector generally should be not less than 3 meters.Length through said first Jet injector self can form effective height fall, increases effluxvelocity, jet pressure.
The length of said first Jet injector is 6-10 rice.So that better adapt to big-and-middle-sized industrial steam system.
Vapor pressure in the said enclosed recycling can is greater than the exhaust steam pressure of said gas utilization unit, and less than the required vapor pressure of gas utilization unit, the vapor pressure of said steam pipe system is greater than the required vapor pressure of said gas utilization unit.
For industrial steam systems such as chemical industry, the vapor pressure in the said enclosed recycling can generally can be 01-0.3MPa, and the required vapor pressure of said gas utilization unit is generally 0.4-1.2MPa, and the vapor pressure of said steam pipe system is generally 0.6-1.6MPa.The pressure difference that different pressures through each equipment forms is that the jet of vapour, water provides power resources.
Can select the high-pressure spray rear pump of suitable parameter according to the actual pressure data of gas utilization unit and steam pipe system, form suitable vapor pressure at the enclosed recycling can, so that under the situation that satisfies the reuse requirement, reduce power consumption and equipment investment as far as possible.
Said second Jet injector can be provided with the suction inlet of a plurality of different suction forces.Be used to aspirate vapour, the water that comes the different pressures of source device from different vapour, water, better realize the utilization of waste gas/waste liquid.
The suction inlet of second Jet injector that the exhaust steam of said gas utilization unit/the water of condensation outlet connects enters the mouth for the bigger suction of suction force on said second Jet injector; The less suction inlet of suction force connects other steam sources through pipeline on said second Jet injector; The vapor pressure of said other steam sources is greater than the exhaust steam pressure of said gas utilization unit, less than the vapor pressure in the said enclosed recycling can.
In case of necessity; Also can adopt first Jet injector and second Jet injector of a plurality of different suction forces; When adopting this kind mode; The jet pressure of each Jet injector of considered output, make it with said gas utilization unit or recycling can in pressure adapt, guarantee that each Jet injector all can send jet into gas utilization unit or recycling can smoothly.
Said high-pressure spray output delivery side of pump also is connected with water of condensation reuse pipeline 6 or said enclosed recycling can also is provided with water of condensation reuse rear pump, and said water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.Connect water of condensation through said water of condensation reuse pipeline and use equipment, realize the reuse of water of condensation, the conserve water resource is discharged the balance of all right regulating system each several part steam/water of condensation of water of condensation simultaneously through said water of condensation reuse pipeline.
Said water of condensation reuse pipeline connects the water of condensation outlet of said enclosed recycling can, and said water of condensation outlet is arranged on the bottom of its tank body usually, and what guarantee thus to export out from said water of condensation all is water of condensation.
Said first Jet injector connects the steam (vapor) outlet of said enclosed recycling can through the gas output tube road, and said steam (vapor) outlet is arranged on the top of said recycling can usually, and said gas output tube road is provided with outlet valve.
For the control that makes things convenient for dead steam reuse system vapour, water turnover can also be provided with corresponding regulating valve on each pipeline.Be convenient to the control of each pipeline break-make.
The enclosed recycling can is provided with level meter and/or the level sensor that is used to show its internal liquid position, and the output signal line of said level sensor connects control gear.Said control gear is according to preset program or Control Parameter work; Its control signal output can be through each valve working on control wiring each pump of control and each pipeline; Water level in the said recycling can is maintained in certain scope; Reach the transient equiliblium of steam and water of condensation, the assurance system normally moves.
Can also be provided with safety valve and outlet valve on the said recycling can; Said safety valve and said outlet valve are connected the top of said exhaust steam recycling can respectively through pipeline; Can the gas that can not form water of condensation regularly be discharged through said outlet valve; In order to avoid too much take the space in the tank body, said safety valve can be in the tank body internal pressure above releasing pressure automatically after the certain limit.
The gas utilization unit and the recycling can of said dead steam reuse system have pressure difference; Pressure in the said gas utilization unit is higher than the pressure in the said recycling can; Pressure in the common said gas utilization unit is 0.4-1.2MPa; Said recycling can internal upper part is exhaust steam, and the bottom is a water of condensation, and keeps in the said recycling can and can make the part exhaust steam be converted into the pressure of water of condensation; Be generally 0.1-0.3MPa; The pressure of the steam that said steam pipe system provides is 0.6-1.6MPa, and said steam pipe system is injected gas utilization unit through first Jet injector with steam, and said recycling can makes water of condensation inject once more in the said recycling can through second Jet injector through the pressure inside effect and recycles; The exhaust steam that said gas utilization unit is discharged and the pressure of waste liquid are lower than the pressure in the said recycling can; Be generally 0.01-0.3MPa, the pressure difference of the exhaust steam that the pressure that the jet through the said second Jet injector water of condensation produces is discharged with said gas utilization unit and the pressure of waste liquid is as power, and the suction inlet that utilizes said second Jet injector is pumped to vapour, the water that the exhaust steam of said gas utilization unit discharge and waste liquid or other vapour, water provide equipment to provide in the said recycling can; The gas that can utilize again in the said recycling can; Pressure is generally 0.1-0.3MPa, and the pressure difference through the pressure that produces with the steam jet of said first Jet injector is as power, utilizes the suction inlet of said first Jet injector that it is pumped to said gas utilization unit and utilizes once again.
Said recycling can be discharged the water of condensation in the said recycling can through said water of condensation reuse pipeline and delivered to watering equipment, and the water level in the control tank body is kept a jar interior transient equiliblium.
Claims (14)
1. dead steam reuse system; Comprise the enclosed recycling can; It is characterized in that also comprising first Jet injector and second Jet injector; The jet exit of said first Jet injector connects the import of gas utilization unit, and the jet inlet of said first Jet injector connects steam pipe system through pipeline, and the suction inlet of said first Jet injector connects the steam (vapor) outlet of said enclosed recycling can; Said enclosed recycling can is provided with the high-pressure spray rear pump; Said high-pressure spray output delivery side of pump connects the jet inlet of said second Jet injector through the jet pipeline, and the jet exit of said second Jet injector connects the import of said enclosed recycling can, and the suction inlet of said second Jet injector connects exhaust steam/water of condensation outlet of said gas utilization unit through recovery channel.
2. dead steam reuse system as claimed in claim 1 is characterized in that said first Jet injector adopts jet vertical structure from top to bottom.
3. dead steam reuse system as claimed in claim 2 is characterized in that the length of said first Jet injector is not less than 3 meters.
4. dead steam reuse system as claimed in claim 3, the length that it is characterized in that said first Jet injector is 6-10 rice.
5. like claim 1,2,3 or 4 described dead steam reuse systems; It is characterized in that the exhaust steam pressure of the interior vapor pressure of said enclosed recycling can greater than said gas utilization unit; Less than the required vapor pressure of gas utilization unit, the vapor pressure of said steam pipe system is greater than the required vapor pressure of said gas utilization unit.
6. dead steam reuse system as claimed in claim 5 is characterized in that the vapor pressure in the said enclosed recycling can is 01-0.3MPa, and the required vapor pressure of said gas utilization unit is 0.4-1.2MPa, and the vapor pressure of said steam pipe system is 0.6-1.6MPa.
7. like claim 1,2,3 or 4 described dead steam reuse systems, it is characterized in that said second Jet injector is provided with the suction inlet of a plurality of different suction forces.
8. dead steam reuse system as claimed in claim 5 is characterized in that said second Jet injector is provided with the suction inlet of a plurality of different suction forces.
9. dead steam reuse system as claimed in claim 7; The suction inlet that it is characterized in that second Jet injector that exhaust steam/the water of condensation outlet connects of said gas utilization unit enters the mouth for the bigger suction of suction force on said second Jet injector; The less suction of suction force inlet connects the steam source outside exhaust steam/water of condensation outlet of said gas utilization unit on said second Jet injector through pipeline; The vapor pressure of the steam source outside the exhaust steam of said gas utilization unit/water of condensation outlet is greater than the exhaust steam pressure of said gas utilization unit, less than the vapor pressure in the said enclosed recycling can.
10. dead steam reuse system as claimed in claim 8; The suction inlet that it is characterized in that second Jet injector that exhaust steam/the water of condensation outlet connects of said gas utilization unit enters the mouth for the bigger suction of suction force on said second Jet injector; The less suction of suction force enters the mouth through the steam source outside exhaust steam/water of condensation outlet of the useless said gas utilization unit of pipeline connection on said second Jet injector; The vapor pressure of the steam source outside the exhaust steam of said gas utilization unit/water of condensation outlet is greater than the exhaust steam pressure of said gas utilization unit, less than the vapor pressure in the said enclosed recycling can.
11. like claim 1,2,3 or 4 described dead steam reuse systems; It is characterized in that said high-pressure spray output delivery side of pump also is connected with water of condensation reuse pipeline or said enclosed recycling can also is provided with water of condensation reuse rear pump, said water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.
12. dead steam reuse system as claimed in claim 5; It is characterized in that said high-pressure spray output delivery side of pump also is connected with water of condensation reuse pipeline or said enclosed recycling can also is provided with water of condensation reuse rear pump, said water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.
13. dead steam reuse system as claimed in claim 11; It is characterized in that said high-pressure spray rear pump and said water of condensation reuse rear pump are installed in the bottom of said enclosed recycling can, the import of said high-pressure spray rear pump and said water of condensation reuse rear pump is connected in the water of condensation outlet of said enclosed recycling can bottom.
14. dead steam reuse system as claimed in claim 12; It is characterized in that said high-pressure spray rear pump and said water of condensation reuse rear pump are installed in the bottom of said enclosed recycling can, the import of said high-pressure spray rear pump and said water of condensation reuse rear pump is connected in the water of condensation outlet of said enclosed recycling can bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910086397A CN101644177B (en) | 2009-05-31 | 2009-05-31 | Dead steam reuse system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910086397A CN101644177B (en) | 2009-05-31 | 2009-05-31 | Dead steam reuse system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101644177A CN101644177A (en) | 2010-02-10 |
| CN101644177B true CN101644177B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910086397A Expired - Fee Related CN101644177B (en) | 2009-05-31 | 2009-05-31 | Dead steam reuse system |
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| Country | Link |
|---|---|
| CN (1) | CN101644177B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108886A (en) * | 2011-01-21 | 2011-06-29 | 李树生 | Vacuum steam heating and pressurizing recycling device for steam turbine |
| CN102146813B (en) * | 2011-03-16 | 2013-11-06 | 李树生 | Waste steam heating, pressurizing and recycling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553047A (en) * | 2003-06-05 | 2004-12-08 | 李树生 | Dead steam recovering apparatus of steam turbine |
| CN1959069A (en) * | 2006-08-23 | 2007-05-09 | 李树生 | System of reclaiming exhaust steam in steam turbine |
| CN101240909A (en) * | 2008-03-19 | 2008-08-13 | 清华大学 | Steam jet type heat pump heat distribution system for recovering thermal power plant condensing residual heat |
| CN101344245A (en) * | 2008-08-22 | 2009-01-14 | 李树生 | Vapor recovery system |
-
2009
- 2009-05-31 CN CN200910086397A patent/CN101644177B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553047A (en) * | 2003-06-05 | 2004-12-08 | 李树生 | Dead steam recovering apparatus of steam turbine |
| CN1959069A (en) * | 2006-08-23 | 2007-05-09 | 李树生 | System of reclaiming exhaust steam in steam turbine |
| CN101240909A (en) * | 2008-03-19 | 2008-08-13 | 清华大学 | Steam jet type heat pump heat distribution system for recovering thermal power plant condensing residual heat |
| CN101344245A (en) * | 2008-08-22 | 2009-01-14 | 李树生 | Vapor recovery system |
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| Publication number | Publication date |
|---|---|
| CN101644177A (en) | 2010-02-10 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LI SHUSHENG Free format text: FORMER OWNER: BEIJING STEAM-CONDENSE DYNAMIC TECHNOLOGY CO., LTD. Effective date: 20140731 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140731 Address after: 100011, Beijing, Xicheng District Desheng outside the teaching field Street No. 1 Patentee after: Li Shusheng Address before: 100011, Beijing, Xicheng District Desheng outside the teaching field Street No. 1, building 1 Patentee before: Beijing Steam-Condense Dynamic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150531 |
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| EXPY | Termination of patent right or utility model |