CN205690907U - A kind of condensation water evacuation heat recovery system - Google Patents
A kind of condensation water evacuation heat recovery system Download PDFInfo
- Publication number
- CN205690907U CN205690907U CN201620670759.5U CN201620670759U CN205690907U CN 205690907 U CN205690907 U CN 205690907U CN 201620670759 U CN201620670759 U CN 201620670759U CN 205690907 U CN205690907 U CN 205690907U
- Authority
- CN
- China
- Prior art keywords
- flash tank
- vacuum pump
- heat exchanger
- pump
- water
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000009833 condensation Methods 0.000 title claims abstract description 28
- 230000005494 condensation Effects 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 238000011049 filling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims 1
- 238000007701 flash-distillation Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a kind of condensation water evacuation heat recovery system, belong to power-saving technology, it is low that existing steam heating system condenses the hydro-thermal response rate, flash tank height warm water discharge is susceptible to cavitation, and be difficult to utilize its heat, this utility model includes flash tank, vacuum pump, knockout drum, draining pump, vacuum pump heat exchanger and indirect steam heat exchanger, after high pressure condensation water entrance flash tank, under low vacuum state, flash distillation generates a large amount of indirect steams, the low-temperature condensate that indirect steam generates after indirect steam heat exchanger heat exchange, mix with the low-temperature condensate bottom flash tank, discharged by drain pipe through draining pump.Cold water enters vacuum pump heat exchanger through water inlet pipe, enters indirect steam heat exchanger after cooling vacuum pump recirculated water, and the hot water generated after heat exchange supplies water through feed pipe.This utility model not only increases condensation hydro-thermal organic efficiency, and eliminates condensation steam erosion and threat and the condensation water drainage of pipe-line system safe operation are cooled down water or the loss of chiller.
Description
Technical field
This utility model relates to a kind of condensing water evacuation heat recovery system, can be used for power plant, smeltery, chemical plant,
In the enterprise such as paper mill, cigar mill, steam heating system produces the recuperation of heat of high pressure condensation water, belongs to field of energy-saving technology.
Background technology
Condensate-water polishing and the utilization of heat thereof, be the important component part saving the energy in steam heating system.Pass through
The condensation water that steam heat-exchanging equipment is discharged, if not reclaiming or yield is little, not only wasting substantial amounts of chemical water, and will damage
Lose more heat transfer.Therefore reclaim and condense water, to improving energy utilization rate, saving fuel and reduce the processing cost of chemical water, tool
There is very important meaning.
A kind of principal mode condensing hydro-thermal recovery is to reclaim indirect steam by flash tank, but in current normal condition
Under, the indirect steam amount that condensation water flash distillation in flash tank obtains is little, causes condensing the hydro-thermal response rate the highest, greatly reduces
The benefit of recuperation of heat.Additionally, the high warm water discharge bottom flash tank is susceptible to cavitation, can not effectively utilize its heat, and right
Outer discharge causes thermal pollution.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome existing steam heating system to condense
The hydro-thermal response rate is low, and flash tank height warm water discharge is susceptible to cavitation, and is difficult to utilize the defect of its heat, it is provided that a kind of condensation water
Evacuation heat recovery system.
For reaching above-mentioned purpose, condensation water evacuation heat recovery system of the present utility model, it is characterized in that: include flash distillation
Tank, vacuum pump, knockout drum, draining pump, vacuum pump heat exchanger and indirect steam heat exchanger, described vacuum pump heat exchanger and two
Secondary vapor heat exchanger is respectively provided with radiating part and endothermic section, and the exhaust tube of described vacuum pump is connected to described flash tank by the road
Top, the exhaustor of described vacuum pump is connected to the top of described knockout drum, and the top of described knockout drum sets aerofluxus
Pipe, the bottom of described knockout drum is sequentially connected with the radiating part of described vacuum pump heat exchanger, described vacuum pump, institute by the road
The top stating flash tank is sequentially connected with the radiating part of described indirect steam heat exchanger, draining pump, the end of described flash tank by the road
Portion connects described draining pump by the road, and the endothermic section of described draining pump, the endothermic section of indirect steam heat exchanger are connected to use water
In pipeline.
As optimization technique means: the pipeline bottom described flash tank and between described draining pump is provided with drain valve group,
Pipeline between radiating part and the draining pump of described indirect steam heat exchanger is provided with drain valve group.
As optimization technique means: described drain valve group, drain valve group are Free Float Type Steam Trap group.
As optimization technique means: described vacuum pump is water-ring vacuum pump, the Absolute truth formed in described flash tank
Pneumatics power is 5～10kPa.
As optimization technique means: the pipeline between exhaust tube and the described flash tank top of described vacuum pump is provided with very
Empty control valve.
As optimization technique means: the interior absolute vacuum pressure of described flash tank is to simultaneously close off described vacuum during 5kPa
Control valve, vacuum pump；Open described vacuum control valve, true when the interior absolute vacuum pressure of described flash tank is 10kPa simultaneously
Empty pump.
As optimization technique means: the top of described knockout drum is connected to filling pipe.
As optimization technique means: described filling pipe is controlled by the liquid level of described knockout drum.
As optimization technique means: connect condensate pipe on described flash tank.
The beneficial effects of the utility model are: condensation water need not condensate pump and is delivered to flash tank, thus avoids solidifying
Bear water the contingent problem of cavitation of pump, decrease the electric energy loss of water pump；Condense hydro-thermal by indirect steam heat exchange once
Property reclaim, make full use of the latent heat of vaporization, improve heat recovery efficiency, reduce heat exchanger heat exchange area, reduce heat exchanger and invest into
This；Condensation water water temperature after indirect steam heat exchange is relatively low, and problem of cavitation will not occur, and met national regulation requirement can be straight
Run in and put, save investment and the consumption of cooling water of chiller.
This utility model not only increases condensation hydro-thermal organic efficiency, and eliminates condensation steam erosion and pacify pipe-line system
The threat of row for the national games and condensation water drainage cool down water or the loss of chiller.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that this utility model condenses water evacuation heat recovery system；
Label declaration in figure: 1-vacuum pump heat exchanger, 2-draining pump, 3-indirect steam heat exchanger, 4-flash tank, 5-vacuum
Pump, 6-knockout drum, 71-drain valve group group, 72-drain valve group group, 8-vacuum control valve, 9-water inlet pipe, 10-feed pipe,
11-condensate pipe, 12-drain pipe, 13-filling pipe, 14-exhaustor.
Detailed description of the invention
For making this utility model become apparent, hereby with preferred embodiment and coordinate accompanying drawing describe in detail as follows.
Condensation water evacuation heat recovery system as shown in Figure 1, including flash tank 4, vacuum pump 5, knockout drum 6, row
Water pump 2, vacuum pump heat exchanger 1 and indirect steam heat exchanger 3, vacuum pump heat exchanger 1 and indirect steam heat exchanger 3 are respectively provided with scattered
Hot portion and endothermic section (radiating part and endothermic section are usually expressed as coil pipe), the exhaust tube of vacuum pump 5 is connected to flash tank 4 by the road
Top, make flash tank keep certain rough vacuum, the exhaustor of vacuum pump 5 is connected to the top of knockout drum 6, gas-liquid
The top of knockout drum 6 sets exhaustor 14, the bottom of knockout drum 6 be sequentially connected with by the road vacuum pump heat exchanger 1 radiating part,
Vacuum pump 5, the top of flash tank 4 is sequentially connected with the radiating part of indirect steam heat exchanger 3, draining pump 2 by the road, flash tank 4
Bottom connects draining pump 2 by the road, and the endothermic section of draining pump 2, the endothermic section of indirect steam heat exchanger 3 are connected to use water lines
In.
Pipeline bottom flash tank 4 and between draining pump 2 is provided with drain valve group 71, the heat radiation of indirect steam heat exchanger 3
Pipeline between portion and draining pump 2 is provided with drain valve group 72.Drain valve group 71, drain valve group 72 are Free Float Type Steam Trap group.
Hydrophobic after drain valve group 71, drain valve group 72 is merged into a house steward and is connected to draining pump 2.
Vacuum pump 5 is water-ring vacuum pump, and the absolute vacuum pressure formed in flash tank 4 is 5～10kPa.Vacuum pump 5
Pipeline between exhaust tube and flash tank 4 top is provided with vacuum control valve 8.The interior absolute vacuum pressure of flash tank 4 is 5kPa
Time simultaneously close off vacuum control valve 8, vacuum pump 5；Open vacuum control when the interior absolute vacuum pressure of flash tank 4 is 10kPa simultaneously
Valve 8 processed, vacuum pump 5.
The top of knockout drum 6 is connected to filling pipe 13.Filling pipe 13 is controlled by the liquid level of knockout drum 6.
Condensate pipe 11 is connected on flash tank 4.
During work, high pressure condense water after condensate pipe 11 enters flash tank 4 under low vacuum state flash distillation generate a large amount of
Indirect steam, the low-temperature condensate that indirect steam generates after the heat unit of indirect steam heat exchanger 3 discharges heat, with flash tank
Low-temperature condensate mixing bottom 4, is discharged by drain pipe 12 through draining pump 2.Knockout drum 6 is passed through in the aerofluxus of vacuum pump 5
Top vent pipe 14 drains into outside atmosphere.Bottom knockout drum 6, water outlet is through the radiating part cooling at vacuum pump heat exchanger 1
Vacuum pump 5 is accessed after cooling.Cold water through entering the endothermic section of vacuum pump heat exchanger 1 as with the water inlet pipe 9 of a water lines part,
Absorb the heat of water outlet bottom knockout drum 6 in the endothermic section of vacuum pump heat exchanger 1 and heat up, enter secondary afterwards and steam
The endothermic section of vapour heat exchanger 3, absorbs after the heat of the indirect steam of flash tank 4 in the endothermic section of indirect steam heat exchanger 3
Heat up again, after through supplying water as with the feed pipe 10 of a water lines part.
Condensation water before this utility model condensate pipe 11 is not required to arrange the water delivery devices such as condensate pump, by flash tank 4
The pressure reduction being vacuum formed can condense water to flash tank 4 by conveying high-pressure.The indirect steam only warp that this utility model flash tank 4 is discharged
Indirect steam heat exchanger 3 carries out one-level recuperation of heat, no longer arranges water water-to-water heat exchanger and carries out two grades of recuperations of heat.This utility model is hydrophobic
Condensation water maximum temperature after valve group 71, drain valve group 72 is about 40 DEG C, after entering draining pump 2, cavitation phenomenons will not occur, row
Water pipe 12 can the most externally discharge, it is not necessary to arranges chiller again.
Claims (9)
1. condense a water evacuation heat recovery system, it is characterized in that: include flash tank (4), vacuum pump (5), knockout drum
(6), draining pump (2), vacuum pump heat exchanger (1) and indirect steam heat exchanger (3), described vacuum pump heat exchanger (1) and secondary steam
Vapour heat exchanger (3) is respectively provided with radiating part and endothermic section, and the exhaust tube of described vacuum pump (5) is connected to described flash tank by the road
(4) top, the exhaustor of described vacuum pump (5) is connected to the top of described knockout drum (6), described knockout drum
(6) top sets exhaustor (14), and the bottom of described knockout drum (6) is sequentially connected with described vacuum pump heat exchanger by the road
(1) radiating part, described vacuum pump (5), the top of described flash tank (4) is sequentially connected with described indirect steam heat exchange by the road
The radiating part of device (3), draining pump (2), the bottom of described flash tank (4) connects described draining pump (2), described draining by the road
The endothermic section of pump (2), the endothermic section of indirect steam heat exchanger (3) are connected to in water lines.
Condensation water evacuation heat recovery system the most according to claim 1, is characterized in that: described flash tank (4) bottom with
Pipeline between described draining pump (2) is provided with drain valve group (71), the radiating part of described indirect steam heat exchanger (3) and draining
Pipeline between pump (2) is provided with drain valve group (72).
Condensation water evacuation heat recovery system the most according to claim 2, is characterized in that: described drain valve group (71),
Drain valve group (72) is Free Float Type Steam Trap group.
Condensation water evacuation heat recovery system the most according to claim 1, is characterized in that: described vacuum pump (5) is water
Ring vacuum pumps, the absolute vacuum pressure formed in described flash tank (4) is 5～10kPa.
Condensation water evacuation heat recovery system the most according to claim 4, is characterized in that: bleeding of described vacuum pump (5)
Pipeline between pipe and described flash tank (4) top is provided with vacuum control valve (8).
Condensation water evacuation heat recovery system the most according to claim 5, is characterized in that: described flash tank (4) interior absolutely
Described vacuum control valve (8), vacuum pump (5) is simultaneously closed off when being 5kPa to vacuum pressure；Described flash tank (4) interior definitely
Open described vacuum control valve (8), vacuum pump (5) when vacuum pressure is 10kPa simultaneously.
Condensation water evacuation heat recovery system the most according to claim 1, is characterized in that: described knockout drum (6)
Top is connected to filling pipe (13).
Condensation water evacuation heat recovery system the most according to claim 7, is characterized in that: described filling pipe (13) passes through
The liquid level of described knockout drum (6) is controlled.
Condensation water evacuation heat recovery system the most according to claim 1, is characterized in that: connect on described flash tank (4)
Connect condensate pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670759.5U CN205690907U (en) | 2016-06-30 | 2016-06-30 | A kind of condensation water evacuation heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670759.5U CN205690907U (en) | 2016-06-30 | 2016-06-30 | A kind of condensation water evacuation heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205690907U true CN205690907U (en) | 2016-11-16 |
Family
ID=57426303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670759.5U Expired - Fee Related CN205690907U (en) | 2016-06-30 | 2016-06-30 | A kind of condensation water evacuation heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205690907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518040A (en) * | 2022-03-17 | 2022-05-20 | 罗益（无锡）生物制药有限公司 | Energy-saving condensed water discharge equipment and method for high-pressure sterilization cabinet |
-
2016
- 2016-06-30 CN CN201620670759.5U patent/CN205690907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518040A (en) * | 2022-03-17 | 2022-05-20 | 罗益（无锡）生物制药有限公司 | Energy-saving condensed water discharge equipment and method for high-pressure sterilization cabinet |
| CN114518040B (en) * | 2022-03-17 | 2023-09-05 | 罗益（无锡）生物制药有限公司 | Energy-saving condensed water discharge equipment and method for high-pressure sterilizing cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311241 Youyi village, Guali Town, Hangzhou City, Zhejiang Province Patentee after: Hangzhou swem New Energy Technology Development Co.,Ltd. Address before: 311241 Youyi village, Guali Town, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU JIALISI WEIMU NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 |