CN206989496U - A kind of residual heat recovery type cold/hot water machine of lithium bromide group - Google Patents
A kind of residual heat recovery type cold/hot water machine of lithium bromide group Download PDFInfo
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- CN206989496U CN206989496U CN201720740250.8U CN201720740250U CN206989496U CN 206989496 U CN206989496 U CN 206989496U CN 201720740250 U CN201720740250 U CN 201720740250U CN 206989496 U CN206989496 U CN 206989496U
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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
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model belongs to air conditioner technical field, is mainly used in the waste heat recovery field of the blast furnace slag quenching water of metallurgy industry.Propose a kind of residual heat recovery type cold/hot water machine of lithium bromide group, the characteristic that the water chiller-heater unit can be reduced using the boiling point of water with the reduction of environmental pressure, by manufacturing a subnormal ambient, blast furnace slag quenching water is set to be flashed in the subnormal ambient, caused negative pressure steam is freezed and heated as the driving heat source of cold/hot water machine of lithium bromide group, so as to realize the recovery of the waste heat of blast furnace in metallurgical industry washing slag water.When environmental pressure is reduced to 19KPa or so, more than 60 DEG C of blast furnace slag quenching water can reach boiling point and flash, and under the operating mode, each pollutant being dissolved in the water can't carburation by evaporation, therefore the negative pressure steam flashed off is the vapor of cleaning, cold/hot water machine of lithium bromide group will not be polluted and corroded.
Description
Technical field
The utility model belongs to air conditioner technical field, and in particular to a kind of residual heat recovery type lithium bromide absorption type cooling and heating
Water dispenser group, it is mainly used in the waste heat recovery field of the blast furnace slag quenching water of metallurgy industry.
Background technology
With the growing tension of the energy, power saving turns into the focus of current global concern.In active development new energy
Meanwhile also increasingly pay attention to recovery and using residual heat resources, efficiently utilize one kind that residual heat resources are also solution energy shortage
Effective way.It is contained remaining in the blast furnace slag quenching water of metallurgy industry in many industrial circles there is substantial amounts of residual heat resources
Thermal resource is representative, and its temperature range is 60-90 DEG C, and hot water amount is huge, belongs to industrial low-temperature waste heat source, if not
It is used, the waste of resource can be caused.
At present, exhaust heat of slag flushing water recovery successful story, only some areas are used for winter heating, but from the point of view of whole year,
Washing slag water effective rate of utilization is still very low, both wastes the energy, pollutes surrounding enviroment again.Cooling in summer yet there are no recycling
The engineering practice of exhaust heat of slag flushing water, it is unqualified to be primarily due to the water quality index of washing slag water, blast-furnace slag main component be CAO,
SIO, MGO, A803 and a small amount of FEO, pH value are more than 7, show slightly alkalescence.Because washing slag water contains substantial amounts of impurity, carry out waste heat and return
Receive the blocking fouling and corrosion that various heat transmission equipments are easily caused when utilizing.How the waste heat recovery profit of blast furnace slag quenching water is realized
With, turn into the metallurgy industries such as steel implement energy-saving and emission-reduction important topic.
Utility model content
To solve problem above, the utility model provides a kind of residual heat recovery type cold/hot water machine of lithium bromide group, profit
The characteristic that can be reduced with the boiling point of water with the reduction of environmental pressure, by manufacturing a subnormal ambient, make blast furnace slag quenching water
Flashed in the subnormal ambient, caused negative pressure steam is carried out as the driving heat source of cold/hot water machine of lithium bromide group
Refrigeration and heating, so as to realize the recovery of the waste heat of the blast furnace slag quenching water of metallurgy industry.When environmental pressure is reduced to 19KPa or so
When, more than 60 DEG C of blast furnace slag quenching water can reach boiling point and flash, and under the operating mode, each pollutant being dissolved in the water
Can't carburation by evaporation, therefore the negative pressure steam flashed off be cleaning vapor, will not be to cold/hot water machine of lithium bromide
Group is polluted and corroded.
Used technical scheme is the utility model to achieve the above object：It is proposed that a kind of residual heat recovery type lithium bromide is inhaled
Receipts formula water chiller-heater unit, including absorber 1, evaporator 2, condenser 3 and regenerator 4, absorber 1 are connected with condenser 3, are absorbed
Device 1 is connected with evaporator 2, and absorber 1 connects regenerator 4 through weak solution pump 5 and heat exchanger 6 successively, and unit also includes gas-liquid
Separator 13 and negative pressure flash evaporation 9, the gas-liquid separation device 13 are connected with blast furnace slag flushing water inlet E, gas-liquid separation device
13 liquid outlet connection negative pressure flash evaporation 9, its gas vent connect vavuum pump 12 via the first pumping stop valve 14；Negative pressure is dodged
Send out device 9 and connect vavuum pump 12 via the second pumping stop valve 15, its steam (vapor) outlet is sequentially connected injection apparatus 11 and regenerator 4
Driving heat source entrance pipe J, the bottom of negative pressure flash evaporation 9 are provided with blast furnace slag flushing water out H；
Changes in temperature conversion steam pipework L is provided between regenerator 4 and absorber 1, the is set on changes in temperature conversion steam pipework L
One changes in temperature switching valve 16, changes in temperature conversion solution line M, changes in temperature conversion solution line M are provided between regenerator 4 and absorber 1
The second changes in temperature switching valve 17 of upper setting, lithium bromide is realized by the opening and closing of the first changes in temperature switching valve 16 and the second changes in temperature switching valve 17
The changes in temperature switching of absorption-type cold-hot water dispenser group.
Condensate heat regenerator 10 is provided with the connecting line of the weak solution pump 5 and heat exchanger 6, regenerator 4
Driving heat source export pipeline F connection condensates heat regenerator 10, condensate is after the cooling of condensate heat regenerator 10, by solidifying
Bear water discharge pipe line G and blast furnace slag flushing water out H to conflux, return in blast furnace and circulate.
The beneficial effects of the utility model are embodied in：The spy that can be reduced using the boiling point of water with the reduction of environmental pressure
Property, blast furnace slag quenching water is flashed in subnormal ambient, caused negative pressure steam is as cold/hot water machine of lithium bromide group
Driving heat source freezed and heated, realize the recovery of the waste heat of the blast furnace slag quenching water of metallurgy industry, while flash off
Negative pressure steam is the vapor of cleaning, and cold/hot water machine of lithium bromide group will not be caused to pollute and corrode.
Brief description of the drawings
Fig. 1 is a kind of residual heat recovery type cold/hot water machine of lithium bromide group structural representation of the utility model；
In figure：1- absorbers, 2- evaporators, 3- condensers, 4- regenerators, 5- weak solution pumps, 6- heat exchangers, 7- are dense molten
Liquid pump, 8- cryogenic fluid pumps, 9- negative pressure flash evaporations, 10- condensate heat regenerators, 11- injection apparatus, 12- vavuum pumps, 13- gas-liquids point
From device, 14- first is evacuated stop valve, and 15- second is evacuated stop valve, 16- the first changes in temperature switching valves, the conversion of the changes in temperature of 17- second
Valve, A- cooling water inlets, B- coolant outlets, the cold warm water entrances of C-, the cold warm water outlets of D-, E- blast furnace slag flushing water inlets, F- drive
Dynamic thermal source outlet pipeline, G- condensation water drainage pipelines, H- blast furnace slag flushing water outs, I- incoagulable gas export pipelines, J- drivings
Thermal source inlet pipeline, K- negative pressure steam pipeworks, L- changes in temperature conversion steam pipework, M- changes in temperature conversion solution line.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of residual heat recovery type cold/hot water machine of lithium bromide group as shown in Figure 1, by absorber 1, evaporator 2, cold
Condenser 3, regenerator 4, weak solution pump 5, heat exchanger 6, concentrated solution pump 7, cryogenic fluid pump 8, negative pressure flash evaporation 9, condensate recuperation of heat
Device 10, injection apparatus 11, vavuum pump 12, gas-liquid separation device 13, first are evacuated stop valve 14, second and are evacuated stop valve 15, the
One changes in temperature switching valve 16, the second changes in temperature switching valve 17, cooling water inlet A, coolant outlet B, cold warm water entrance C, cold warm water go out
Mouth D, blast furnace slag flushing water inlet E, driving heat source export pipeline F, condensation water drainage pipeline G, blast furnace slag flushing water out H, incoagulability
Gas exit line I, driving heat source entrance pipe J, negative pressure steam pipework K, changes in temperature conversion steam pipework L, changes in temperature conversion solution
Pipeline M is formed.
The driving heat source of water chiller-heater unit is sequentially connected injection apparatus 11 and negative pressure flash evaporation 9, and negative pressure flash evaporation 9 connects gas
Liquid separating apparatus 13, blast furnace slag quenching water enter gas-liquid separation device 13 by blast furnace slag flushing water inlet E, and washing slag water is by gas-liquid point
After separating incoagulable gas from device 13, flashed into negative pressure flash evaporation 9, caused negative pressure steam passes through negative pressure steam pipe
Road K is sprayed into injection apparatus 11, and the driving heat source as cold/hot water machine of lithium bromide group is freezed and heated,
So as to realize the recovery of the waste heat of the blast furnace slag quenching water of metallurgy industry.
Negative pressure flash evaporation 9 and gas-liquid separation device 13 connect vavuum pump 12, first and are evacuated the pumping cut-off of stop valve 14, second
Valve 15, incoagulable gas outlet I, close the second pumping stop valve 15, open the first pumping stop valve 14, pass through vavuum pump 12
Operating, realize the incoagulable gas in gas-liquid separation device 13 by incoagulable gas outlet I discharges；Open the second pumping stop valve
15, the first pumping stop valve 14 is closed, by the operating of vavuum pump 12, pressure in negative pressure flash evaporation 9 is reduced to a 19KPa left sides
The right side, the characteristic that can be reduced using the boiling point of water with the reduction of environmental pressure, after making blast furnace slag quenching water enter negative pressure flash evaporation 9
Flash, and under the operating mode, each pollutant being dissolved in the water can't carburation by evaporation, therefore the negative pressure flashed off is steamed
Vapour is the vapor of cleaning, cold/hot water machine of lithium bromide group will not be polluted and corroded.
Negative pressure flash evaporation 9 connects blast furnace slag flushing water out H, and washing slag water flashes in negative pressure flash evaporation 9, produces negative pressure steam
While, discharged after washing slag water itself is cooled by blast furnace slag flushing water out H.
First changes in temperature switching valve 16, changes in temperature conversion solution line M are set on the changes in temperature conversion steam pipework L of water chiller-heater unit
The second changes in temperature switching valve 17 of upper setting, lithium bromide is realized by the opening and closing of the first changes in temperature switching valve 16 and the second changes in temperature switching valve 17
The changes in temperature switching of absorption-type cold-hot water dispenser group.Close the first changes in temperature switching valve 16 and the second changes in temperature switching valve 17, caused negative pressure
Steam is freezed as the driving heat source of cold/hot water machine of lithium bromide group, driving heat source entrance pipe J connection regenerators
Condensate heat regenerator 10 is set on 4, driving heat source export pipeline F, and absorber 1 is connected with condenser 3, absorber 1 and evaporation
Device 2 connects, and absorber 1, regenerator 4, weak solution pump 5, heat exchanger 6, concentrated solution pump 7, condensate heat regenerator 10 form bromine
Change the circulation of lithium solution, i.e., the lithium bromide weak solution that absorber 1 comes out enters condensate heat regenerator 10, quilt by weak solution pump 5
Condensate heats, then through over-heat-exchanger 6, is sent to regenerator 4, lithium bromide weak solution is heated in regenerator 4 by negative pressure steam
Concentration forms lithium bromide concentrated solution, and by concentrated solution pump 7, the temperature after the heat exchange of over-heat-exchanger 6 reduces lithium bromide concentrated solution, most
After return to absorber 1, drop leaching absorbs the refrigerant vapour for carrying out flash-pot 2, turns into weak solution, while cryogen on cooling water pipe
Water drips leaching on the cold water pipe of evaporator 2, and cooling realizes refrigeration into the cold water of evaporator 2.Open the first changes in temperature switching valve 16
With the second changes in temperature switching valve 17, caused negative pressure steam is supplied as the driving heat source of cold/hot water machine of lithium bromide group
Warm, the lithium bromide weak solution that absorber 1 comes out enters condensate heat regenerator 10 by weak solution pump 5, is condensed water heating, then
Through over-heat-exchanger 6, regenerator 4 is sent to, lithium bromide weak solution is heated by negative pressure steam in regenerator 4 and concentrated, and lithium bromide is dense
Solution changes solution line M by changes in temperature and returns to absorber 1, and thinning, while cryogen caused by regenerator 4 is mixed with water as refrigerant
Steam changes steam pipework L by changes in temperature and enters absorber 1, and absorber 1 connects with evaporator 2, and refrigerant vapour is in evaporator 2
Warm water is heated, realizes heating.Negative pressure steam is freezed as the driving heat source of the water chiller-heater unit or heating, negative pressure steam quilt
Condensate is cooled to, condensate is after the cooling of condensate heat regenerator 10, by condensation water drainage pipeline G and blast furnace slag quenching water
Outlet H confluxes, and returns to blast furnace recycling.
Claims (2)
1. a kind of residual heat recovery type cold/hot water machine of lithium bromide group, including absorber（1）, evaporator（2）, condenser（3）
And regenerator（4）, absorber（1）With condenser（3）Connection, absorber（1）With evaporator（2）Connection, absorber（1）Pass through successively
Weak solution pump（5）And heat exchanger（6）Connect regenerator（4）, it is characterised in that：Also include gas-liquid separation device（13）And negative pressure
Flash evaporation（9）, the gas-liquid separation device（13）With blast furnace slag flushing water inlet（E）Connection, gas-liquid separation device（13）Liquid
Outlet connection negative pressure flash evaporation（9）, its gas vent is via the first pumping stop valve（14）Connect vavuum pump（12）；Negative pressure shwoot
Device（9）Via the second pumping stop valve（15）Connect vavuum pump（12）, its steam (vapor) outlet is sequentially connected injection apparatus（11）And again
Raw device（4）Driving heat source entrance pipe（J）, negative pressure flash evaporation（9）Bottom is provided with blast furnace slag flushing water out（H）；Regenerator
（4）With absorber（1）Between be provided with changes in temperature conversion steam pipework（L）, changes in temperature conversion steam pipework（L）The first changes in temperature of upper setting
Switching valve（16）, regenerator（4）With absorber（1）Between be provided with changes in temperature conversion solution line（M）, changes in temperature conversion solution line
（M）The second changes in temperature switching valve of upper setting（17）, pass through the first changes in temperature switching valve（16）With the second changes in temperature switching valve（17）Opening and closing
Realize the changes in temperature switching of cold/hot water machine of lithium bromide group.
A kind of 2. residual heat recovery type cold/hot water machine of lithium bromide group according to claim 1, it is characterised in that：It is described
Weak solution pump（5）And heat exchanger（6）Connecting line on be provided with condensate heat regenerator（10）, regenerator（4）Driving
Thermal source outlet pipeline（F）Connect condensate heat regenerator（10）, condensate passes through condensate heat regenerator（10）After cooling, pass through
Condensation water drainage pipeline（G）With blast furnace slag flushing water out（H）Conflux, return in blast furnace and circulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740250.8U CN206989496U (en) | 2017-06-23 | 2017-06-23 | A kind of residual heat recovery type cold/hot water machine of lithium bromide group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740250.8U CN206989496U (en) | 2017-06-23 | 2017-06-23 | A kind of residual heat recovery type cold/hot water machine of lithium bromide group |
Publications (1)
| Publication Number | Publication Date |
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| CN206989496U true CN206989496U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720740250.8U Active CN206989496U (en) | 2017-06-23 | 2017-06-23 | A kind of residual heat recovery type cold/hot water machine of lithium bromide group |
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| CN (1) | CN206989496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945174A (en) * | 2019-04-04 | 2019-06-28 | 华北水利水电大学 | Wet bottom boiler washing slag water closed cycle utilizes system |
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2017
- 2017-06-23 CN CN201720740250.8U patent/CN206989496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945174A (en) * | 2019-04-04 | 2019-06-28 | 华北水利水电大学 | Wet bottom boiler washing slag water closed cycle utilizes system |
| CN109945174B (en) * | 2019-04-04 | 2024-02-13 | 华北水利水电大学 | Slag flushing water closed circulation utilization system of liquid slag discharging boiler |
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