CN101644177A - Dead steam reuse system - Google Patents
Dead steam reuse system Download PDFInfo
- Publication number
- CN101644177A CN101644177A CN200910086397A CN200910086397A CN101644177A CN 101644177 A CN101644177 A CN 101644177A CN 200910086397 A CN200910086397 A CN 200910086397A CN 200910086397 A CN200910086397 A CN 200910086397A CN 101644177 A CN101644177 A CN 101644177A
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- China
- Prior art keywords
- steam
- jet
- water
- reuse
- jet injector
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- 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.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000004064 recycling Methods 0.000 claims abstract description 59
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 229940090046 jet injector Drugs 0.000 claims description 59
- 230000005494 condensation Effects 0.000 claims description 48
- 238000009833 condensation Methods 0.000 claims description 48
- 239000007921 spray Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000007789 gas Substances 0.000 description 41
- 239000002699 waste material Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a dead steam reuse system, comprising a closed recovery tank, a first jet pump and a second jet pump, wherein, a jet outlet of the first jet pump is connected with an inlet ofused steam equipment, and a jet inlet is connected with a steam pipe network by a pipeline; a suction inlet is connected with a steam outlet of the closed recovery tank; the closed recovery tank is provided with a high pressure jet output pump, and an outlet of the high pressure jet output pump is connected with a jet inlet of the second jet pump by a jet pipeline; a jet outlet of the second jetpump is connected with an inlet of the closed recovery tank; and the suction inlet is connected with a dead steam/condensate water outlet of the used steam equipment by a recovery pipeline. The dead steam reuse system recovers and reuses the dead steam of the used steam equipment by action of the jet pumps, effectively utilizes heat energy in the dead steam of the used steam equipment and avoids thermal pollution; and 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, enter 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 prior art, 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 these exhaust steam can be returned and be back to gas utilization unit effectively.
The technical solution used in the present invention: 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 described first Jet injector connects the import of described gas utilization unit, jet inlet connects steam pipe system by pipeline, the suction inlet connects the steam (vapor) outlet of described enclosed recycling can, described enclosed recycling can is provided with the high-pressure spray rear pump, described high-pressure spray output delivery side of pump connects the jet inlet of described second Jet injector by the jet pipeline, the jet exit of described second Jet injector connects the import of described enclosed recycling can, and the suction inlet connects the exhaust steam/water of condensation outlet of described gas utilization unit by recovery channel.
Described first Jet injector adopts the vertical structure that jet can be from top to bottom.
The length of described first Jet injector generally should be not less than 3 meters.
The length of described first Jet injector can be 6-10 rice.
Vapor pressure in the described enclosed recycling can usually should be greater than the exhaust steam pressure of described gas utilization unit, and less than the required vapor pressure of gas utilization unit, the vapor pressure of described steam pipe system should be greater than the required vapor pressure of described gas utilization unit.
For example, the vapor pressure in the described enclosed recycling can is 01-0.3MPa, and the required vapor pressure of described gas utilization unit is 0.4-1.2MPa, and the vapor pressure of described steam pipe system is 0.6-1.6MPa.
Described 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 described gas utilization unit/the water of condensation outlet connects can be the suction inlet that suction force is bigger on described second Jet injector, the less suction inlet of suction force connects other steam sources by pipeline on described second Jet injector, the vapor pressure of described other steam sources is greater than the exhaust steam pressure of described gas utilization unit, less than the vapor pressure in the described enclosed recycling can.
Described high-pressure spray output delivery side of pump can also be connected with water of condensation reuse pipeline or described enclosed recycling can also is provided with water of condensation reuse rear pump, and described water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.
Described high-pressure spray rear pump and described water of condensation reuse rear pump generally all should be installed in the bottom of described enclosed recycling can, and the import of each pump is connected in the water of condensation outlet of described enclosed recycling can bottom.
Beneficial effect of the present invention: the present invention is by the high-pressure spray effect of second Jet injector, in the enclosed recycling can, form high pressure, pressure control by appropriateness, making the part vapor condenses when improving vapor pressure is water, therefore enclosed recycling can bottom is a water of condensation, top is steam, realize that exhaust steam is by the conversion of vapour phase to liquid phase, simultaneously, pressure in the described enclosed recycling can is higher than exhaust steam and the water of condensation pressure that described gas utilization unit is discharged, the secondary steam that forms higher quality is so that reuse, according to design of the present invention, secondary steam pressure in the described 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; When the steam source of other lower pressures (for example other waste steam recovery channels) is arranged, can also utilize other suction inlets steam that these are inferior even useless of described second Jet injector to send in the enclosed recycling can by pumping action at described second Jet injector; At the vapor pressure on enclosed recycling can top less than the pressure in the described 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 by 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.By 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 described first Jet injector connects the import of described gas utilization unit, jet inlet connects steam pipe system 7 by pipeline, the suction inlet connects the steam (vapor) outlet of described enclosed recycling can, described enclosed recycling can is provided with high-pressure spray rear pump 8, described high-pressure spray output delivery side of pump connects the jet inlet of described second Jet injector by jet pipeline 5, the jet exit of described second Jet injector connects the import of described enclosed recycling can, and the suction inlet connects the exhaust steam/water of condensation outlet of described gas utilization unit by recovery channel.
Described first, second Jet injector can adopt Venturi tube or other equipment by jet suction medium of various suitable structures.
In order to make described first Jet injector better finish jet and suction operation, described first Jet injector adopts vertical structure to be installed in the described dead steam reuse system, and described 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 described first Jet injector generally should be not less than 3 meters.Length by described first Jet injector self can form effective height fall, increases effluxvelocity, jet pressure.
The length of described first Jet injector is 6-10 rice.So that better adapt to big-and-middle-sized industrial steam system.
Vapor pressure in the described enclosed recycling can is greater than the exhaust steam pressure of described gas utilization unit, and less than the required vapor pressure of gas utilization unit, the vapor pressure of described steam pipe system is greater than the required vapor pressure of described gas utilization unit.
For industrial steam systems such as chemical industry, the vapor pressure in the described enclosed recycling can generally can be 01-0.3MPa, and the required vapor pressure of described gas utilization unit is generally 0.4-1.2MPa, and the vapor pressure of described steam pipe system is generally 0.6-1.6MPa.The pressure difference that different pressures by each equipment forms provides power resources for the jet of vapour, water.
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.
Described 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 described gas utilization unit/the water of condensation outlet connects enters the mouth for the bigger suction of suction force on described second Jet injector, the less suction inlet of suction force connects other steam sources by pipeline on described second Jet injector, the vapor pressure of described other steam sources is greater than the exhaust steam pressure of described gas utilization unit, less than the vapor pressure in the described 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, should consider the jet pressure of each Jet injector output, make it with described gas utilization unit or recycling can in pressure adapt, guarantee that each Jet injector all can send into jet gas utilization unit or recycling can smoothly.
Described high-pressure spray output delivery side of pump also is connected with water of condensation reuse pipeline 6 or described enclosed recycling can also is provided with water of condensation reuse rear pump, and described water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.Connect water of condensation by described 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 by described water of condensation reuse pipeline.
The girl girl that described water of condensation reuse pipeline the connects described enclosed recycling can outlet of economizing on water, described water of condensation outlet is arranged on the bottom of its tank body usually, and what guarantee thus to export out from described water of condensation all is water of condensation.
Described first Jet injector connects the steam (vapor) outlet of described enclosed recycling can by the gas output tube road, and described steam (vapor) outlet is arranged on the top of described recycling can usually, and described 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 described level sensor connects control gear.Described control gear is according to default program or Control Parameter work, the output of its control signal can be controlled each valve working on each pump and each pipeline by control wiring, water level in the described 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 described recycling can, described safety valve and described outlet valve are connected the top of described exhaust steam recycling can respectively by pipeline, the gas that can not form water of condensation regularly can be discharged by described outlet valve, in order to avoid take the interior space of tank body too much, described 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 described dead steam reuse system have pressure difference, pressure in the described gas utilization unit is higher than the pressure in the described recycling can, pressure in the common described gas utilization unit is 0.4-1.2MPa, described recycling can internal upper part is exhaust steam, the bottom is a water of condensation, and keep in the described 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 described steam pipe system provides is 0.6-1.6MPa, described steam pipe system is injected gas utilization unit by first Jet injector with steam, described recycling can makes water of condensation inject once more in the described recycling can by second Jet injector by the pressure inside effect and recycles, the exhaust steam that described gas utilization unit is discharged and the pressure of waste liquid are lower than the pressure in the described recycling can, be generally 0.01-0.3MPa, the pressure difference of the exhaust steam that the pressure that the jet by the described second Jet injector water of condensation produces is discharged with described gas utilization unit and the pressure of waste liquid is as power, utilize exhaust steam and waste liquid or other vapour of the suction inlet of described second Jet injector with described gas utilization unit discharge, the vapour that water provides equipment to provide, water is pumped in the described recycling can, recycling gas in the described recycling can, pressure is generally 0.1-0.3MPa, pressure difference by the pressure that produces with the steam jet of described first Jet injector is as power, utilizes the suction inlet of described first Jet injector that it is pumped to described gas utilization unit and utilizes once again.
Described recycling can be discharged the water of condensation in the described recycling can by described water of condensation reuse pipeline and be delivered to watering equipment, and the water level in the control tank body is kept a jar interior transient equiliblium.
Claims (10)
1, a kind of 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 described first Jet injector connects the import of described gas utilization unit, jet inlet connects steam pipe system by pipeline, the suction inlet connects the steam (vapor) outlet of described enclosed recycling can, described enclosed recycling can is provided with the high-pressure spray rear pump, described high-pressure spray output delivery side of pump connects the jet inlet of described second Jet injector by the jet pipeline, the jet exit of described second Jet injector connects the import of described enclosed recycling can, and the suction inlet connects the exhaust steam/water of condensation outlet of described gas utilization unit by recovery channel.
2, dead steam reuse system as claimed in claim 1 is characterized in that described 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 described 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 described first Jet injector is 6-10 rice.
5, as 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 described enclosed recycling can greater than described gas utilization unit, less than the required vapor pressure of gas utilization unit, the vapor pressure of described steam pipe system is greater than the required vapor pressure of described gas utilization unit.
6, dead steam reuse system as claimed in claim 5 is characterized in that the vapor pressure in the described enclosed recycling can is 01-0.3MPa, and the required vapor pressure of described gas utilization unit is 0.4-1.2MPa, and the vapor pressure of described steam pipe system is 0.6-1.6MPa.
7,, it is characterized in that described second Jet injector is provided with the suction inlet of a plurality of different suction forces as claim 1,2,3,4 or 5 described dead steam reuse systems.
8, 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 described gas utilization unit enters the mouth for the bigger suction of suction force on described second Jet injector, the less suction inlet of suction force connects other steam sources by pipeline on described second Jet injector, the vapor pressure of described other steam sources is greater than the exhaust steam pressure of described gas utilization unit, less than the vapor pressure in the described enclosed recycling can.
9, as claim 1,2,3,4 or 5 described dead steam reuse systems, it is characterized in that described high-pressure spray output delivery side of pump also is connected with water of condensation reuse pipeline or described enclosed recycling can also is provided with water of condensation reuse rear pump, described water of condensation reuse output delivery side of pump is connected with water of condensation reuse pipeline.
10, dead steam reuse system as claimed in claim 9 is characterized in that described high-pressure spray rear pump and described water of condensation reuse rear pump are installed in the bottom of described enclosed recycling can, and the import of each pump is connected in the water of condensation outlet of described 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 true CN101644177A (en) | 2010-02-10 |
| CN101644177B CN101644177B (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910086397A Expired - Fee Related CN101644177B (en) | 2009-05-31 | 2009-05-31 | Dead steam reuse system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644177B (en) |
Cited By (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 |
| CN102146813A (en) * | 2011-03-16 | 2011-08-10 | 李树生 | Waste steam heating, pressurizing and recycling system |
Family Cites Families (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 |
| CN100381678C (en) * | 2006-08-23 | 2008-04-16 | 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 |
| CN101344245B (en) * | 2008-08-22 | 2011-02-09 | 李树生 | Vapor recovery system |
-
2009
- 2009-05-31 CN CN200910086397A patent/CN101644177B/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN102146813A (en) * | 2011-03-16 | 2011-08-10 | 李树生 | Waste steam heating, pressurizing and recycling system |
| CN102146813B (en) * | 2011-03-16 | 2013-11-06 | 李树生 | Waste steam heating, pressurizing and recycling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101644177B (en) | 2012-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |