CN206387141U - A kind of combined twin-stage steam heat pump system - Google Patents
A kind of combined twin-stage steam heat pump system Download PDFInfo
- Publication number
- CN206387141U CN206387141U CN201621280396.0U CN201621280396U CN206387141U CN 206387141 U CN206387141 U CN 206387141U CN 201621280396 U CN201621280396 U CN 201621280396U CN 206387141 U CN206387141 U CN 206387141U
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- steam
- heat pump
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- evaporator
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
A kind of combined twin-stage steam heat pump system, including the reboiler for heated material, the steam inlet of the reboiler connects the superheated steam outlet of jet type heat pump, and the steam generating part of the jet type heat pump is connected to carry out the steam compression heat pump of heat exchange with the steam generating part.A kind of combined twin-stage steam heat pump system of the present utility model, using high temperature and high pressure steam as power, can reclaim the heat in 80 DEG C of industrial wastewaters, while the superheated steam for producing saturation temperature at 160 DEG C or so is utilized for reboiler.
Description
Technical field
The utility model is related to a kind of steam heat pump system.It is more particularly to a kind of to be simultaneously in recovery chemical industry waste heat
The bottom reboiler of the sector provides the combined twin-stage steam heat pump system of heating medium.
Background technology
By the Field Research and statistical analysis to multiple petroleum chemical enterprises, a large amount of more than 80 DEG C of generally existing in petrochemical industry
Industrial exhaust heat need cooling, water cooling or air cooling being used the type of cooling, these cooling device power consumptions are very big, and in production technology more
Bottom reboiler then need saturation temperature to be heated in 130-160 DEG C or so of vapor to material.But for how
Reclaim this part of waste heat to meet the requirement of reboiler, seldom, the waste heat of the current grade is mostly rejected, and is weighed for correlative study
Device is boiled then typically by the use of high steam or conduction oil from boiler as heating medium, causes great energy waste.And
There is also similar energy waste phenomenon in other industrial trades, such as, in papermaking, light textile and power industry, mostly it is with steaming
Vapour is as heating medium, while reducing-and-cooling plant is generally provided with the requirement in order to reach production, jet chimney, and one
The flash-off steam of a little equipment steam discharges either condensate is then arranged in vain due to not reaching production technology with the parameter requirements of heat
Bleed off.In order to improve energy utilization rate, energy waste is reduced, it is necessary to find a kind of method and reclaim this part of waste heat.
80 DEG C of industrial wastewaters are such as taken into heat using steam compression type high temperature heat pump, 130 DEG C of high-temperature-hot-water is produced, but this is bright
It is aobvious be unsatisfactory for most of reboiler use heat demand.
The content of the invention
Technical problem to be solved in the utility model be to provide it is a kind of can reclaim the heat in 80 DEG C of industrial wastewaters,
Produce combined twin-stage steam heat pump system of the saturation temperature in 160 DEG C or so superheated steams simultaneously.
The technical scheme that the utility model is used is：A kind of combined twin-stage steam heat pump system, including for heating
The reboiler of material, the steam inlet of the reboiler connects the superheated steam outlet of jet type heat pump, the injecting type heat
The steam generating part of pump is connected to carry out the steam compression heat pump of heat exchange with the steam generating part.
Described jet type heat pump includes injector and flash tank, and a steam inlet of the injector passes through one
High temperature and high pressure steam control valve connects external high pressure steam, and another steam inlet of the injector connects the flash tank
Steam (vapor) outlet, the flash tank is connected with described steam compression heat pump, for by internal recirculated water and described steam
Compression heat pump carries out the steam needed for heat exchange generation injector.
Described flash tank is additionally provided with the water supplement port for carrying out supplement water, and the water supplement port is controlled by a moisturizing
Valve connects industrial wastewater.
Described steam compression heat pump includes evaporator and condenser, and the first of the evaporator outer loop side enters
Mouth connection industrial wastewater, the first outlet of evaporator outer loop side is industrial wastewater backwater end, the evaporator inner loop
The second entrance of side connects the first outlet of the condenser inner loop side, the second outlet of the evaporator inner loop side
Connect the first entrance of the condenser inner loop side, the second entrance connection injecting type heat of the condenser external circulation side
Flash tank in the circulating water outlet end of flash tank in pump, the second outlet connection jet type heat pump of the condenser external circulation side
Circulation water inlet.
The second outlet of the evaporator inner loop side connects the of the condenser inner loop side by compressor
One entrance.
The second entrance of the evaporator inner loop side connects the first outlet of the condenser by expansion valve.
A kind of combined twin-stage steam heat pump system of the present utility model, using high temperature and high pressure steam as power, can be returned
The heat in 80 DEG C of industrial wastewaters is received, while the superheated steam for producing saturation temperature at 160 DEG C or so is utilized for reboiler.Tool
Have the advantages that.
(1) by organic matching of two kinds of heat pump forms, the system can reclaim the waste heat in petrochemical industry industrial wastewater
And heating medium is provided for the reboiler in the sector production technology, the regeneration effect of industrial exhaust heat is reached, is reduced cold
But the power consumption of industrial wastewater, and save the high mass-energy consumption of original technique, reaches the resultant effect of energy-saving and emission-reduction.
(2) the supplement water in flash tank is also to come from not only to include industrial wastewater waste heat in industrial wastewater, therefore the system
Recycling, the also recovery comprising industrial wastewater, the less and more industrial wastewater that cleans for corrosivity utilizes the system
Its discharge capacity can be reduced to a certain extent.
(3) main motion parts in system only have a compressor, are not in the severe jamming of front and back stages operating mode,
Easily adjust and stable.
Brief description of the drawings
Fig. 1 is that a kind of the utility model combined twin-stage steam heat pump system is monolithically fabricated schematic diagram.
In figure
A：Jet type heat pump B：Steam compression heat pump
1：Evaporator 2：Compressor
3：Condenser 4：Expansion valve
5：Moisturizing control valve 6：Flash tank
7：High temperature and high pressure steam control valve 8：Injector
9：Reboiler
Embodiment
A kind of combined twin-stage steam heat pump system of the present utility model is made in detail with reference to embodiment and accompanying drawing
Explanation.
A kind of combined twin-stage steam heat pump system of the present utility model, is sprayed by a steam compression heat pump and one
Formula heat pump is constituted, prime steam compression heat pump, heat source temperature can be lifted into about 50 DEG C, rear class is jet type heat pump, with high temperature
The superheated steam of high pressure is working steam, can continue high-temperature water to bring up to the superheated steam that saturation temperature is 160 DEG C or so.This
Double stage heat pump is covered as being used to reclaim the waste heat in 80 DEG C of industrial wastewaters, you can produce high saturation temperature suitable for industrial utilization
Water vapour.
As shown in figure 1, a kind of combined twin-stage steam heat pump system of the present utility model, including the weight for heated material
Device 9 is boiled, the steam inlet of the reboiler 9 connects jet type heat pump A superheated steam outlet, the jet type heat pump A's
Steam generating part is connected to carry out the steam compression heat pump B of heat exchange with the steam generating part.
Described steam compression heat pump B constitutes the first order of the present utility model, includes evaporator 1 and condenser 3, institute
The connection industrial wastewater of first entrance 11 of the outer loop side of evaporator 1 is stated, the first outlet 12 of the outer loop side of evaporator 1 is work
Industry waste water backwater end, the second entrance 14 of the inner loop side of evaporator 1 connects the first of the inner loop side of condenser 3
Outlet 32, the second outlet 13 of the inner loop side of evaporator 1 connects the first entrance of the inner loop side of condenser 3
The circulating water outlet end of flash tank 6, institute in 31, the connection jet type heat pump of second entrance 33 A of the outer loop side of condenser 3
State the circulation water inlet of flash tank 6 in the connection jet type heat pump of second outlet 34 A of the outer loop side of condenser 3.
The second outlet 13 of the inner loop side of evaporator 1 connects the inner loop side of condenser 3 by compressor 2
First entrance 31.The second entrance 14 of the inner loop side of evaporator 1 connects the of the condenser 3 by expansion valve 4
One outlet 32.
Described jet type heat pump A constitutes the second level of the present utility model, includes injector 8 and flash tank 6, the spray
One steam inlet of emitter 8 connects external high pressure steam by a high temperature and high pressure steam control valve 7, the injector 8
Another steam inlet connects the steam (vapor) outlet of the flash tank 6, the flash tank 6 and described steam compression heat pump B phases
Even, for internal recirculated water to be carried out to the steam needed for heat exchange produces injector 8 with described steam compression heat pump B.
Described flash tank 6 is additionally provided with the water supplement port for carrying out supplement water, and the water supplement port passes through a moisturizing control
Valve 5 processed connects industrial wastewater.
The effect for constituting the steam compression heat pump B of the first order is by the heat upgrading in industrial exhaust heat, that is, to pass through evaporation
Device reclaims heat from industrial wastewater, and prepares 130 DEG C or so of hot water in condenser side.The hot water will be used as flash distillation hot water life
Production constitutes the jetting steam caused of the jet type heat pump of the second level.Flash tank top can be such that water temperature quickly reduces because of a large amount of evaporations, this portion
The entrance that point water at low temperature is then introduced back condenser realizes circulation, and makes condenser side import and export the temperature difference by the regulation of flow to keep
At 10 DEG C or so.
The effect for constituting the jet type heat pump A of the second level is that, using the working steam of HTHP as power, injection low temperature is low
The flash-off steam of pressure, and overheat compressed steam of the saturation temperature at 130-160 DEG C or so is produced, the compressed steam will be used as weight
The heating steam of material in device is boiled, to reach the purpose for saving high steam.Because flash-off steam is constantly by injection, in flash tank
Hot water can continue to flash, hot water flash evaporation, which will take away substantial amounts of heat, causes in flash tank water temperature to reduce, this partial heat
There is provided by high temperature heat pump.
With reference to the system flow chart in Fig. 1, steam compression heat pump uses special high temperature heat pump working medium, and the working medium is being steamed
The waste heat absorbed in device 1 in 80 DEG C of industrial wastewaters is sent out, and rejects heat in condenser 3 hot water that temperature is about 120 DEG C
Its temperature is set to be increased to 130 DEG C, these hot water are admitted in the flash tank 6 of jet type heat pump.With 3.5MPa HTHP mistake
Vapours is as working steam, and jet type heat pump can evaporating temperature be 120 DEG C or so of saturated vapor in injection flash tank, and
The superheated steam that saturation temperature is 160 DEG C is produced in the exit of injector 8, the steam will be used as the heating medium of reboiler 9
To need thermal material to provide heat.Flash tank top can be such that water temperature quickly reduces because of a large amount of evaporations, and this part water at low temperature is then introduced back
The entrance of condenser realizes circulation, while because of jetting steam caused loss, it is necessary to carry out lasting moisturizing, this part water to flash tank
Amount also uses 80 DEG C of industrial wastewater.
The course of work of injector is calculated using gas dynamics, under above-mentioned operating mode, production 1t heating
Steam needs the working steam 0.72t of HTHP, while injection 0.28t flash-off steam.The original mode of heating of reboiler
Directly utilized after desuperheat pressurizes for the working steam of HTHP, by contrast, using the heat pump system in the utility model
System can save about 28% working steam.Heat steam saturation temperature in reboiler the hot temperature of the need of material determine, such as
Fruit needs hot temperature reduction, and the saving of working steam can also increase.
A kind of operation principle of combined twin-stage steam heat pump system of the present utility model：
As shown in figure 1, steam compression heat pump B uses special high temperature heat pump working medium, the working medium absorbs in evaporator 1
Waste heat in 80 DEG C of industrial wastewaters, and rejecting heat to the hot water that temperature is about 120 DEG C in condenser 3 raises its temperature
To 130 DEG C, these hot water are admitted in jet type heat pump A flash tank 6.Work is used as using 3.5MPa high-temperature high-pressure overheat steam
Make steam, jet type heat pump A can evaporating temperature be 120 DEG C or so of saturated vapor in injection flash tank 6, and in injector 8
To produce saturation temperature be 160 DEG C of superheated steam in exit, the steam will need thermal material as the heating medium of reboiler 9
Heat is provided.The top of flash tank 6 can be such that water temperature quickly reduces because of a large amount of evaporations, and this part water at low temperature is then introduced back condenser 3
Entrance realizes circulation, while because jetting steam caused is lost in, it is necessary to carry out lasting moisturizing to flash tank 6, this part water is also adopted
With 80 DEG C of industrial wastewater.
The course of work of injector is calculated using gas dynamics, under above-mentioned operating mode, production 1t heating
Steam needs the working steam 0.72t of HTHP, while injection 0.28t flash-off steam.The original mode of heating of reboiler
Directly utilized after desuperheat pressurizes for the working steam of HTHP, by contrast, using the heat pump system in the utility model
System can save about 28% working steam.Heat steam saturation temperature in reboiler the hot temperature of the need of material determine, such as
Fruit needs hot temperature reduction, and the saving of working steam can also increase.
Claims (6)
1. a kind of combined twin-stage steam heat pump system, including the reboiler (9) for heated material, it is characterised in that described
The superheated steam outlet of the steam inlet connection jet type heat pump (A) of reboiler (9), the steam of the jet type heat pump (A)
Produce the steam compression heat pump (B) that part is connected to carry out heat exchange with the steam generating part.
2. a kind of combined twin-stage steam heat pump system according to claim 1, it is characterised in that described injecting type heat
Pump (A) includes injector (8) and flash tank (6), and a steam inlet of the injector (8) is steamed by a HTHP
Vapour control valve (7) connects external high pressure steam, and another steam inlet of the injector (8) connects the flash tank (6)
Steam (vapor) outlet, the flash tank (6) is connected with described steam compression heat pump (B), for by internal recirculated water with it is described
Steam compression heat pump (B) carry out heat exchange and produce steam needed for injector (8).
3. a kind of combined twin-stage steam heat pump system according to claim 2, it is characterised in that described flash tank
(6) water supplement port for carrying out supplement water is additionally provided with, the water supplement port connects Industry Waste by a moisturizing control valve (5)
Water.
4. a kind of combined twin-stage steam heat pump system according to claim 1 or 2, it is characterised in that described steam
Compression heat pump (B) includes evaporator (1) and condenser (3), the first entrance (11) of evaporator (1) the outer loop side
Industrial wastewater is connected, the first outlet (12) of evaporator (1) outer loop side is industrial wastewater backwater end, the evaporator (1)
The second entrance (14) of inner loop side connects the first outlet (32) of condenser (3) the inner loop side, the evaporator
(1) second outlet (13) of inner loop side connects the first entrance (31) of condenser (3) the inner loop side, the condensation
The circulating water outlet end of flash tank (6), described in second entrance (33) the connection jet type heat pump (A) of device (3) outer loop side
The circulation water inlet of flash tank (6) in second outlet (34) the connection jet type heat pump (A) of condenser (3) outer loop side.
5. a kind of combined twin-stage steam heat pump system according to claim 4, it is characterised in that the evaporator (1)
The second outlet (13) of inner loop side connects the first entrance of condenser (3) the inner loop side by compressor (2)
(31)。
6. a kind of combined twin-stage steam heat pump system according to claim 4, it is characterised in that the evaporator (1)
The second entrance (14) of inner loop side connects the first outlet (32) of the condenser (3) by expansion valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280396.0U CN206387141U (en) | 2016-11-25 | 2016-11-25 | A kind of combined twin-stage steam heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280396.0U CN206387141U (en) | 2016-11-25 | 2016-11-25 | A kind of combined twin-stage steam heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206387141U true CN206387141U (en) | 2017-08-08 |
Family
ID=59486706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621280396.0U Withdrawn - After Issue CN206387141U (en) | 2016-11-25 | 2016-11-25 | A kind of combined twin-stage steam heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206387141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440487A (en) * | 2016-11-25 | 2017-02-22 | 天津大学 | Combined type dual-stage steam heat pump system |
| CN111013514A (en) * | 2019-12-18 | 2020-04-17 | 安徽昊源化工集团有限公司 | Energy-saving and consumption-reducing system for recycling heat of styrene product produced by ethylbenzene dehydrogenation |
| CN113404474A (en) * | 2021-07-12 | 2021-09-17 | 大连理工大学 | Vapor source system based on vapor-liquid ejector supercharging flash evaporation technology |
-
2016
- 2016-11-25 CN CN201621280396.0U patent/CN206387141U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440487A (en) * | 2016-11-25 | 2017-02-22 | 天津大学 | Combined type dual-stage steam heat pump system |
| CN111013514A (en) * | 2019-12-18 | 2020-04-17 | 安徽昊源化工集团有限公司 | Energy-saving and consumption-reducing system for recycling heat of styrene product produced by ethylbenzene dehydrogenation |
| CN111013514B (en) * | 2019-12-18 | 2024-05-14 | 安徽昊源化工集团有限公司 | Energy-saving and consumption-reducing system for heat recovery of styrene product produced by ethylbenzene dehydrogenation |
| CN113404474A (en) * | 2021-07-12 | 2021-09-17 | 大连理工大学 | Vapor source system based on vapor-liquid ejector supercharging flash evaporation technology |
| WO2023284061A1 (en) * | 2021-07-12 | 2023-01-19 | 大连理工大学 | Steam source system based on steam-liquid ejector pressurization and flashing technology |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170808 Termination date: 20171125 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170808 Effective date of abandoning: 20190301 |