CN206847418U - A kind of energy-conservation vacuumizes cooling system - Google Patents
A kind of energy-conservation vacuumizes cooling system Download PDFInfo
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- CN206847418U CN206847418U CN201720534158.6U CN201720534158U CN206847418U CN 206847418 U CN206847418 U CN 206847418U CN 201720534158 U CN201720534158 U CN 201720534158U CN 206847418 U CN206847418 U CN 206847418U
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Abstract
The utility model is related to a kind of energy-conservation vacuumizes cooling system.It is high to lack a kind of reliability at present, using effect is good, effectively can vacuumize cooling system using used heat.The utility model includes condenser, it is characterised in that：Also include gas-liquid heat exchanger, vacuum pump system, heat exchanger, stop valve and evaporator, the non-condensable gas export of condenser is connected by the gas feed of on-condensible gas pipeline and gas-liquid heat exchanger, the gas vent of gas-liquid heat exchanger is connected by the air inlet of low temperature on-condensible gas pipeline and vacuum pump system, the gas outlet of vacuum pump system is connected with on-condensible gas discharge line, the coolant outlet of vacuum pump system is connected by vavuum pump cooling water outlet pipeline with heat exchanger cooling water inlet, the coolant outlet of heat exchanger is connected by vavuum pump cooling backwater pipeline with vacuum pump system cooling water inlet.The utility model safety coefficient is high, good in economic efficiency, the sufficiently cool pumped vacuum systems of energy, and reclaims used heat and be used for preboiler moisturizing.
Description
Technical field
The utility model is related to a kind of energy-conservation vacuumizes cooling system, is that one kind can reduce pumped vacuum systems work temperature
Degree, the system that and can makes full use of used heat, belongs to field of energy-saving technology.
Background technology
The vacuum height of condenser directly influences economy and the safe operation of Steam Turbine.In the actual motion of condenser
During, it is necessary to take the incoagulable gas in necessary means remover apparatus, maintain the low vacuum state of equipment, ensure unit
Safe and highly efficient operation.It is common method using vacuum pumping incoagulable gas, but aspirates meeting during incoagulable gas
Entrained steam, prolonged operation can allow vacuum pump system temperature to raise, and working environment deteriorates, and influences pumping efficiency, shorten true
Empty pump service life.Vacuum pump system is cooled down using cooling tower, although investment is less, this type of cooling is by nature
Environment has a great influence, it is impossible to keeps stable working effect.Can be provided by the way of compressor cooling meet the requirements it is cold
But water, but the screw compressor used at present coefficient of performance under frequent varying load condition can significantly reduce, and compressor
Service life can also shorten, in a disguised form add the construction cost of refrigeration system.In addition, the condensing that compressor refrigeration system is taken away
Heat caused by device heat and compressor itself work is directly discharged in environment, that these waste heats are not sharp well
Use.If notification number is that CN205677841U water-ring vacuum pump cooling system, Publication No. CN106403635A are carried
Cooling system of condition of high vacuum degree etc. fails to solve the above problems.It is high that a kind of reliability is also lacked at present, and using effect is good, can
Effectively cooling system is vacuumized using used heat.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and one kind is provided can be fully cold
But pumped vacuum systems, and can make full use of the used heat that refrigeration system is discharged, and conversion efficiency is high, and the energy-conservation of good reliability vacuumizes
Cooling system.The utility model first employs the mode of double section coolings so that into the mixed gas temperature of vacuum pump system
Substantially reduce, improve the working environment of vavuum pump；Second has reclaimed compressor operating used heat and cooling pumped vacuum systems generation
Used heat, for heating boiler moisturizing, reclaimed tow taste heat；3rd employs scroll compressor, coordinates temperature survey
Device, carry out varying duty regulation that can be real-time, varying duty excellent performance, system it is good in economic efficiency；4th employs
Two jacket water systems, it is standby each other, the security of system is improved, the 5th is preheated using used heat to boiler replenishing water, is subtracted
Lack boiler oil consumption, improve systematic economy income.It is of the present utility model to vacuumize cooling system safety coefficient height, economy
It is profitable, the sufficiently cool pumped vacuum systems of energy, while used heat can also be reclaimed and be used for preboiler moisturizing.
The technical scheme in the invention for solving the above technical problem is：The cooling system that vacuumizes of the energy-conservation includes coagulating
Vapour device, its design feature are：Also include on-condensible gas pipeline, gas-liquid heat exchanger, low temperature on-condensible gas pipeline, vavuum pump system
System, on-condensible gas discharge line, vavuum pump cooling water outlet pipeline, temperature measuring equipment, heat exchanger, vavuum pump cool back water pipe
Road, a chilled water pipeline, secondary chilled water pipeline, chilled water water return pipeline, stop valve, evaporator, linkage stop valve, cooling
Tower, bypass temperature lowering water pipeline, open-shut linkage valve, low pressure refrigerant reflux line, compressor, high-pressure refrigerant pipeline, condenser,
Choke valve, low pressure refrigerant pipeline, boiler replenishing water pipeline and low-pressure heater, the non-condensable gas export of the condenser pass through not
The gas feed of solidifying gas pipeline and gas-liquid heat exchanger is connected, and the gas vent of the gas-liquid heat exchanger is not coagulated by low temperature
The air inlet of gas pipeline and vacuum pump system connects, and gas outlet and the on-condensible gas discharge line of the vacuum pump system connect
Connect, the coolant outlet of the vacuum pump system is connected by the cooling water inlet of vavuum pump cooling water outlet pipeline and heat exchanger
Connect, temperature measuring equipment is installed on the vavuum pump cooling water outlet pipeline, the coolant outlet of the heat exchanger passes through vacuum
The cooling water inlet of pump cooling backwater pipeline and vacuum pump system connects, and the chilled water outlet of the evaporator is by once freezing
The chilled water import of waterpipe and heat exchanger connects, the chilled water outlet of the heat exchanger by secondary chilled water pipeline with
The chilled water import connection of gas-liquid heat exchanger, the chilled water outlet of the gas-liquid heat exchanger by chilled water water return pipeline with
The import connection of stop valve, the outlet of the stop valve and the chilled water import of evaporator connect；The linkage stop valve enters
Mouth is other to be connected to chilled water water return pipeline, and the outlet of the linkage stop valve and the import of cooling tower connect, and the cooling tower goes out
Mouthful be connected by bypassing temperature lowering water pipeline with the import of open-shut linkage valve, the outlet of the open-shut linkage valve and heat exchanger it is cold
Freeze water inlet connection；The refrigerant inlet that the refrigerant outlet of the evaporator passes through low pressure refrigerant reflux line and compressor
Connection, the refrigerant outlet of the compressor is connected by the refrigerant inlet of high-pressure refrigerant pipeline and condenser, described cold
The import of the refrigerant outlet and choke valve of condenser connects, and the outlet of the choke valve passes through low pressure refrigerant pipeline and evaporator
Refrigerant inlet connection；The cooling water inlet connection of the boiler replenishing water pipeline and condenser, the cooling water of the condenser
Outlet is connected with the import of low-pressure heater.
Preferably, stop valve described in the utility model, linkage stop valve and open-shut linkage valve are the valve automatically controlled
Door, can realize interlocked operation.
Preferably, compressor described in the utility model is scroll compressor.
A kind of energy-conservation vacuumizes cooling means, and its feature is：Carried out using the described cooling system that vacuumizes, it is described
The step of vacuumizing cooling means is as follows：
（1）Start vacuum pump system to be evacuated, incoagulability mixed gas constantly discharges condenser, now vacuum pump system
Temperature rise, cooled by heat exchanger to keep the operating efficiency of vacuum pump system；
（2）Compressor synchronous averaging, the chilled water discharged in evaporator successively through the gentle liquid heat exchanger of over-heat-exchanger,
Heat with walking system, evaporator cooling is then returned to, ceaselessly carries out kind of refrigeration cycle, now stop valve is opened, linkage cut-off
Valve and open-shut linkage valve are in closed mode；
（3）When compressor start, heat caused by refrigeration system needs to discharge by condenser, and this partial heat is used for
Heating boiler moisturizing, the boiler replenishing water after being heated enter low-pressure heater；
（4）It disclosure satisfy that cooling requires when compressor breaks down or needs to safeguard, or when being supplied water using cooling tower
When, system is cooled down using cooling tower way of supplying water, and now stop valve is closed, and linkage stop valve and open-shut linkage valve are in
Opening.
Preferably, the utility model incoagulability mixed gas is extracted out from condenser, cooled down by gas-liquid heat exchanger,
Discharge forms incoagulable gas passing away after entering back into vacuum pump system；Cooling water is discharged from vacuum pump system, flows into heat
Vacuum pump system is returned again to after exchanger and forms vavuum pump cooling water circulation passage；Chilled water flows out from evaporator, passes through successively
Over-heat-exchanger and gas-liquid heat exchanger heat exchange, then form freezing water circulation channel by stop valve Returning evaporimeter；Bypass
Cooling water flows out from cooling tower, enters heat exchanger and gas-liquid heat exchanger by open-shut linkage valve, is then ended by linking
Valve returns to cooling tower and forms bypass cooling-water duct；Refrigerant vapour flows out from evaporator, enters after compressor compresses cold
Condenser cools down, then is throttled by choke valve, finally enters evaporator evaporation and forms refrigerant circulation passage；Boiler replenishing water enters cold
Low-pressure heater is entered back into after condenser and forms boiler replenishing water heating passage.
The utility model compared with prior art, has advantages below and effect：（1）The mode of double section coolings is employed,
So that the mixed gas temperature into vacuum pump system substantially reduces, the working environment of vavuum pump is improved；（2）Compression is reclaimed
Used heat caused by machine work used heat and cooling pumped vacuum systems, for heating boiler moisturizing, has reclaimed tow taste heat；（3）Adopt
With scroll compressor, coordinate temperature measuring equipment, carry out varying duty regulation that can be real-time, varying duty performance is excellent
It is different, system it is good in economic efficiency；（4）Two jacket water systems are employed, it is standby each other, improve the security of system；（5）Adopt
Boiler replenishing water is preheated with used heat, reduces boiler oil consumption, improves systematic economy income；（6）Structure design is closed
Reason, design is unique, operates steadily, good reliability；（7）Used heat can also be reclaimed while sufficiently cool pumped vacuum systems to be used in advance
Heat boiler moisturizing.
Brief description of the drawings
Fig. 1 is that what is saved in the utility model embodiment vacuumize the structural representation of cooling system.
In figure：1st, condenser；2nd, on-condensible gas pipeline；3rd, gas-liquid heat exchanger；4th, low temperature on-condensible gas pipeline；5th, vacuum
Pumping system；6th, on-condensible gas discharge line；7th, vavuum pump cooling water outlet pipeline；8th, temperature measuring equipment；9th, heat exchanger；10、
Vavuum pump cooling backwater pipeline；11st, a chilled water pipeline；12nd, secondary chilled water pipeline；13rd, chilled water water return pipeline；14、
Stop valve；15th, evaporator；16th, link stop valve；17th, cooling tower；18th, temperature lowering water pipeline is bypassed；19th, open-shut linkage valve；20、
Low pressure refrigerant reflux line；21st, compressor；22nd, high-pressure refrigerant pipeline；23rd, condenser；24th, choke valve；25th, low pressure system
Cryogen pipeline；26th, boiler replenishing water pipeline；27th, low-pressure heater.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1, the cooling system that vacuumizes of the energy-conservation in the present embodiment includes condenser 1, on-condensible gas pipeline 2, gas
Liquid heat exchanger 3, low temperature on-condensible gas pipeline 4, vacuum pump system 5, on-condensible gas discharge line 6, vavuum pump cooling water outlet pipe
Road 7, temperature measuring equipment 8, heat exchanger 9, vavuum pump cooling backwater pipeline 10, chilled water pipelines 11, a secondary chilled waters
Pipeline 12, chilled water water return pipeline 13, stop valve 14, evaporator 15, linkage stop valve 16, cooling tower 17, bypass temperature drop pipe
Road 18, open-shut linkage valve 19, low pressure refrigerant reflux line 20, compressor 21, high-pressure refrigerant pipeline 22, condenser 23, section
Valve 24, low pressure refrigerant pipeline 25, boiler replenishing water pipeline 26 and low-pressure heater 27 are flowed, wherein, stop valve 14 is usually intelligence
Stop valve.
The non-condensable gas export of condenser 1 in the present embodiment passes through on-condensible gas pipeline 2 and the gas of gas-liquid heat exchanger 3
Body import connects, and the gas vent of gas-liquid heat exchanger 3 passes through low temperature on-condensible gas pipeline 4 and the air inlet of vacuum pump system 5
Connection, the gas outlet of vacuum pump system 5 is connected with on-condensible gas discharge line 6, and the coolant outlet of vacuum pump system 5 passes through true
Empty pump cooling water outlet pipeline 7 is connected with the cooling water inlet of heat exchanger 9, and 7 installation temperature are surveyed on vavuum pump cooling water outlet pipeline
Device 8 is measured, the coolant outlet of heat exchanger 9 is entered by the cooling water of vavuum pump cooling backwater pipeline 10 and vacuum pump system 5
Mouth connection.
The chilled water that the chilled water outlet of evaporator 15 passes through a chilled water pipeline 11 and heat exchanger 9 in the present embodiment
Import connects, and the chilled water outlet of heat exchanger 9 passes through the chilled water import of secondary chilled water pipeline 12 and gas-liquid heat exchanger 3
Connection, the chilled water outlet of gas-liquid heat exchanger 3 are connected by chilled water water return pipeline 13 with the import of stop valve 14, stop valve
14 outlet is connected with the chilled water import of evaporator 15.
Chilled water water return pipeline 13 is connected to by the import of linkage stop valve 16 in the present embodiment, the outlet for the stop valve 16 that links
Import with cooling tower 17 is connected, and the import of the outlet of cooling tower 17 by bypassing temperature lowering water pipeline 18 and open-shut linkage valve 19 connects
Connect, the outlet of open-shut linkage valve 19 is connected with the chilled water import of heat exchanger 9.
The system that the refrigerant outlet of evaporator 15 passes through low pressure refrigerant reflux line 20 and compressor 21 in the present embodiment
Cryogen import is connected, and the refrigerant outlet of compressor 21 is connected by the refrigerant inlet of high-pressure refrigerant pipeline 22 and condenser 23
Connect, the refrigerant outlet of condenser 23 is connected with the import of choke valve 24, and the outlet of choke valve 24 passes through low pressure refrigerant pipeline
25 are connected with the refrigerant inlet of evaporator 15.
Boiler replenishing water pipeline 26 in the present embodiment is connected with the cooling water inlet of condenser 23, the cooling water of condenser 23
Outlet is connected with the import of low-pressure heater 27.
Stop valve 14, linkage stop valve 16 and open-shut linkage valve 19 in the present embodiment can be the valve automatically controlled
Door, can realize interlocked operation, compressor 21 can be scroll compressor.
The cooling system that vacuumizes of energy-conservation in the present embodiment is included with lower channel：Incoagulability mixed gas is from condenser 1
Middle extraction, cooled down by gas-liquid heat exchanger 3, enter back into discharge after vacuum pump system 5 and form incoagulable gas passing away；It is cold
But water is discharged from vacuum pump system 5, and vacuum pump system 5 is returned again to after inflow heat exchanger 9 and forms vavuum pump cooling water circulation
Passage；Chilled water flows out from evaporator 15, is exchanged heat successively through over-heat-exchanger 9, gas-liquid heat exchanger 3, then passes through cut-off
The Returning evaporimeter 15 of valve 14 forms freezing water circulation channel；Bypass cooling water flows out from cooling tower 17, by open-shut linkage valve 19
Into heat exchanger 9 and gas-liquid heat exchanger 3, the formation bypass cooling water of cooling tower 17 is then returned to by the stop valve 16 that links and led to
Road；Refrigerant vapour flows out from evaporator 15, is cooled down after the compression of compressor 21 into condenser 23, then pass through choke valve 24
Throttling, finally enter the evaporation of evaporator 15 and form refrigerant circulation passage；Boiler replenishing water enters back into low pressure after entering condenser 23
Heater 27 forms boiler replenishing water heating passage.
Energy-conservation in the present embodiment it is as follows the step of vacuumizing cooling means.
（1）Start vacuum pump system 5 to be evacuated, incoagulability mixed gas constantly discharges condenser 1, now vavuum pump system
5 temperature of uniting raise, and are cooled by heat exchanger 9 to keep the operating efficiency of vacuum pump system 5.
（2）The synchronous averaging of compressor 21, the chilled water discharged in evaporator 15 are handed over through over-heat-exchanger 9, gas-liquid heat successively
Parallel operation 3, the heat with walking system, it is then returned to evaporator 15 and cools, ceaselessly carry out kind of refrigeration cycle, now stop valve 14 is opened
Open, linkage stop valve 16 and open-shut linkage valve 19 are in closed mode.
（3）When compressor 21 starts, heat caused by refrigeration system needs to discharge by condenser 23, this partial heat
For heating boiler moisturizing, the boiler replenishing water after being heated enters low-pressure heater 27.
（4）When compressor 21 breaks down or needs to safeguard, supplied water also or using cooling tower 17 and disclosure satisfy that cooling
It is required that when, system is cooled down using cooling tower way of supplying water, and now stop valve 14 is closed, and link stop valve 16 and open-shut linkage
Valve 19 is in opening.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to the utility model structure example explanation.
The equivalence changes or simple change that all construction, feature and the principle described according to the utility model patent design are done, are wrapped
Include in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can be to described
Specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from knot of the present utility model
Structure surmounts scope defined in the claims, all should belong to the scope of protection of the utility model.
Claims (3)
1. a kind of energy-conservation vacuumizes cooling system, including condenser, it is characterised in that：Also include on-condensible gas pipeline, gas-liquid
Heat exchanger, low temperature on-condensible gas pipeline, vacuum pump system, on-condensible gas discharge line, vavuum pump cooling water outlet pipeline, temperature
Measurement apparatus, heat exchanger, vavuum pump cooling backwater pipeline, a chilled water pipeline, secondary chilled water pipeline, chilled water backwater
Pipeline, stop valve, evaporator, linkage stop valve, cooling tower, bypass temperature lowering water pipeline, open-shut linkage valve, low pressure refrigerant backflow
Pipeline, compressor, high-pressure refrigerant pipeline, condenser, choke valve, low pressure refrigerant pipeline, boiler replenishing water pipeline and low pressure add
Hot device, the non-condensable gas export of the condenser are connected by the gas feed of on-condensible gas pipeline and gas-liquid heat exchanger, institute
The gas vent for stating gas-liquid heat exchanger is connected by the air inlet of low temperature on-condensible gas pipeline and vacuum pump system, the vacuum
The gas outlet of pumping system is connected with on-condensible gas discharge line, and the coolant outlet of the vacuum pump system is cooled down by vavuum pump
The cooling water inlet of outlet conduit and heat exchanger is connected, and temperature measuring equipment is installed on the vavuum pump cooling water outlet pipeline,
The coolant outlet of the heat exchanger is connected by the cooling water inlet of vavuum pump cooling backwater pipeline and vacuum pump system, institute
The chilled water outlet for stating evaporator is connected by the chilled water import of a chilled water pipeline and heat exchanger, the heat exchanger
Chilled water outlet pass through the chilled water import of secondary chilled water pipeline and gas-liquid heat exchanger connect, the gas-liquid heat exchanger
Chilled water outlet connected by the import of chilled water water return pipeline and stop valve, the outlet of the stop valve and evaporator it is cold
Freeze water inlet connection；Be connected to chilled water water return pipeline by the import of the linkage stop valve, the outlet of the linkage stop valve with
The import connection of cooling tower, the outlet of the cooling tower are connected by bypassing temperature lowering water pipeline with the import of open-shut linkage valve, institute
State the outlet of open-shut linkage valve and the chilled water import of heat exchanger connects；The refrigerant outlet of the evaporator passes through low pressure system
The refrigerant inlet of cryogen reflux line and compressor connects, and the refrigerant outlet of the compressor passes through high-pressure refrigerant pipeline
It is connected with the refrigerant inlet of condenser, the import of the refrigerant outlet and choke valve of the condenser connects, the choke valve
Outlet connected by the refrigerant inlet of low pressure refrigerant pipeline and evaporator；The boiler replenishing water pipeline and condenser it is cold
But water inlet connects, and the import of the coolant outlet and low-pressure heater of the condenser connects.
2. energy-conservation according to claim 1 vacuumizes cooling system, it is characterised in that：The stop valve, linkage cut-off
Valve and open-shut linkage valve are the valve automatically controlled.
3. energy-conservation according to claim 1 vacuumizes cooling system, it is characterised in that：The compressor is vortex pressure
Contracting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534158.6U CN206847418U (en) | 2017-05-15 | 2017-05-15 | A kind of energy-conservation vacuumizes cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720534158.6U CN206847418U (en) | 2017-05-15 | 2017-05-15 | A kind of energy-conservation vacuumizes cooling system |
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| CN206847418U true CN206847418U (en) | 2018-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062934A (en) * | 2017-05-15 | 2017-08-18 | 华电电力科学研究院 | A kind of energy-conservation vacuumizes cooling system and method |
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2017
- 2017-05-15 CN CN201720534158.6U patent/CN206847418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062934A (en) * | 2017-05-15 | 2017-08-18 | 华电电力科学研究院 | A kind of energy-conservation vacuumizes cooling system and method |
| CN107062934B (en) * | 2017-05-15 | 2022-11-25 | 华电电力科学研究院有限公司 | Energy-saving vacuumizing cooling system and method |
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