CN108548344A - A kind of synthesis ammonia utilizing waste heat for refrigeration system and method - Google Patents
A kind of synthesis ammonia utilizing waste heat for refrigeration system and method Download PDFInfo
- Publication number
- CN108548344A CN108548344A CN201810752111.6A CN201810752111A CN108548344A CN 108548344 A CN108548344 A CN 108548344A CN 201810752111 A CN201810752111 A CN 201810752111A CN 108548344 A CN108548344 A CN 108548344A
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- water
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- desalination
- heating
- handpiece
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000005057 refrigeration Methods 0.000 title claims abstract description 28
- 239000002918 waste heat Substances 0.000 title claims abstract description 25
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 314
- 238000010612 desalination reaction Methods 0.000 claims abstract description 65
- 239000007789 gas Substances 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000008236 heating water Substances 0.000 claims description 73
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 239000003643 water by type Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000012267 brine Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
-
- 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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of synthesis ammonia utilizing waste heat for refrigeration system and methods, the system includes desalination water- to-water heat exchanger and three handpiece Water Chilling Units in parallel, low pressure pick-up gas is delivered in desalination water- to-water heat exchanger by low pressure pick-up gas transmission pipeline, heat hot water in desalination water- to-water heat exchanger, obtain high pressure-temperature hot water, high pressure-temperature hot water is delivered to three handpiece Water Chilling Units respectively by delivery pipeline, drive handpiece Water Chilling Units, the upper water of refrigeration is transported to by chilled water circulating pump group in three handpiece Water Chilling Units in chilled water return pipe, the upper water of cycle is delivered in three handpiece Water Chilling Units by circulating cooling water inlet pipe, hot water backwater is delivered to hot water backwater's conveyance conduit by three handpiece Water Chilling Units, hot water backwater is delivered to desalination water- to-water heat exchanger by desalination water-circulating pump, it is heated again.The open-type of chilled water and hot-water supply system is changed to totally enclosed type water system by the present invention, greatly reduces conveying energy consumption, and energy saving of system is made to run.
Description
Technical field
The present invention relates to a kind of synthesis ammonia utilizing waste heat for refrigeration system and methods.
Background technology
For the energy-saving and emission-reduction project of promotion, the waste heat generated using the low pressure pick-up gas in production of synthetic ammonia,
105 DEG C of high pressure-temperature hot water are made, as the driving heat source of lithium bromide cooling-water machine group, waste heat is become drive energy, one anti-one
Positive year saves 60,000 tons of standard coal.
Since industrial circle freezing Specialty Design teacher does not grasp the technical characteristic of totally-enclosed water system and open-type water system,
The energy saving allocation problem of distributing system pump equipment is not furtherd investigate, and original design chilled water and hot-water supply system are all made of open-type
System, pump head are higher.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of synthesis ammonia utilizing waste heat for refrigeration system and method,
The open-type of chilled water and hot-water supply system is changed to totally enclosed type water system, conveying energy consumption is greatly reduced, makes energy saving of system
Operation.
The technical solution adopted in the present invention is：
A kind of synthesis ammonia utilizing waste heat for refrigeration system, the system include desalination water- to-water heat exchanger and three handpiece Water Chilling Units in parallel, are led to
Too low buckling send gas transmission pipeline that low pressure pick-up gas is delivered in desalination water- to-water heat exchanger, heats heat in desalination water- to-water heat exchanger
Water obtains high pressure-temperature hot water, and high pressure-temperature hot water is delivered to three handpiece Water Chilling Units respectively by delivery pipeline, driving
Handpiece Water Chilling Units, the upper water of the interior refrigeration of chilled water return pipe are transported in three handpiece Water Chilling Units by chilled water circulating pump group, pass through
The upper water of cycle is delivered in three handpiece Water Chilling Units by circulating cooling water inlet pipe, and hot water backwater is delivered to hot water by three handpiece Water Chilling Units
Hot water backwater is delivered to desalination water- to-water heat exchanger by desalination water-circulating pump, is heated again by return water conveyance conduit.
Further, further include two desalted waters bypass coolers in parallel, by delivery pipeline by high pressure-temperature
Hot water is delivered to respectively in two desalted waters bypass coolers, by hot water backwater's conveyance conduit by the hot water of three handpiece Water Chilling Units
Return water is delivered in two desalted water bypass coolers, and the upper water of cycle is delivered to two desalted waters by circulating cooling water inlet pipe
It bypasses in cooler, the lower water of cycle is delivered to circulating cooling return pipe by two desalted water bypass coolers.
Further, further include two heating water heat exchangers in parallel, by delivery pipeline by high pressure-temperature hot water
It is delivered in two heating water heat exchangers, is conveyed the hot water backwater of three handpiece Water Chilling Units respectively by hot water backwater's conveyance conduit
Into two heating water heat exchangers, heating water is transported to two heating waters by heating water circulation pump group in heating water return pipe
In heat exchanger, heating water is delivered to heating water delivery pipe by two heating water heat exchangers.
Further, further include desalination water heater, hot water inlet and the desalination water-circulating pump of the desalination water heater
The outlet connection of group, is delivered to desalination water heater, the hot water outlet and hot water of the desalination water heater are defeated by hot water backwater
It send pipeline to connect, hot water backwater is delivered to delivery pipeline.
Further, further include chilled water regulated expander, heating water regulated expander and desalted water regulated expander, institute
State the entrance of chilled water regulated expander, heating water regulated expander and desalted water regulated expander respectively with desalted water delivery pipe
Connection, the outlet of the chilled water regulated expander is connect with chilled water return pipe；The outlet of the heating water regulated expander
It is connect with heating water return pipe, the outlet of the desalted water regulated expander is connect with hot water return pipe.
Further, the chilled water circulating pump that the chilled water circulating pump group is connected in parallel by four forms, the heating
The heating water circulation pump group that water-circulating pump group is connected in parallel by two is at what the desalination water-circulating pump group was connected in parallel by two
Desalination water-circulating pump forms.
Using the working method of synthesis ammonia utilizing waste heat for refrigeration system as described above, this method includes：
Low pressure pick-up gas is delivered in desalination water- to-water heat exchanger, hot water in desalination water- to-water heat exchanger is heated, obtains high pressure height
High pressure-temperature hot water is delivered to three handpiece Water Chilling Units by warm water respectively, drives handpiece Water Chilling Units, and water is followed by chilled water in refrigeration
Ring pump group is transported in three handpiece Water Chilling Units, and the upper water of cycle is delivered in three handpiece Water Chilling Units, is conveyed by hot water backwater
The hot water backwater of three handpiece Water Chilling Units is delivered to desalination water- to-water heat exchanger by pipeline and desalination water-circulating pump, is heated again.
Further, further include：
High pressure-temperature hot water and hot water backwater are delivered to two desalted water bypass coolers respectively and two heating waters change
The upper water of cycle is delivered in two desalted water bypass coolers by hot device, and will be under the cycle of two desalted waters bypass coolers
Water is delivered to circulating cooling return pipe, and heating water is delivered in two heating water heat exchangers by heating water circulation pump group, will
The heating water of two heating water heat exchangers is delivered to heating water delivery pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention in parallel is adopted using three handpiece Water Chilling Units in parallel, two desalination water pond road coolers in parallel, two
Warm water- to-water heat exchanger and desalination water- to-water heat exchanger constitute a totally enclosed type water system, reduce and match electrical power, save conveying power consumption；
Using three utilizing waste heat for refrigeration equipment, the waste heat for making full use of production of synthetic ammonia to generate achieves energy-saving and emission reduction purposes.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is synthesis ammonia utilizing waste heat for refrigeration system structure diagram；
In figure, 1, desalination water- to-water heat exchanger, 2, low pressure pick-up air shooter, 3, delivery pipeline, 4, handpiece Water Chilling Units, 5,
Desalination water heater, 6, desalination water-circulating pump group, 7, desalted water bypass cooler, 8, heating water heat exchanger, 9, chilled water cycle
Pump group, 10, chilled water regulated expander, 11, heating water regulated expander, 12, desalted water regulated expander, 13, circulating cooling
Water inlet pipe, 14, circulating cooling return pipe, 15, desalted water delivery pipe, 16, chilled water return pipe, 17, heating water return pipe, 18,
Heating water delivery pipe, 19, hot water backwater's delivery pipe, 20, heating water circulation pump group, 21, chilled water outlet pipe.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, existing chilled water and hot-water supply system are all made of open-type system, and there are power consumptions
Amount is big, and not energy-efficient deficiency, in order to solve technical problem as above, present applicant proposes a kind of synthesis ammonia utilizing waste heat for refrigeration systems.
In a kind of typical embodiment of the application, as shown in Figure 1, a kind of synthesis ammonia utilizing waste heat for refrigeration system is provided,
The system includes three handpiece Water Chilling Units 4 in parallel, desalination water heater 5, by 1, two desalted water in parallel of desalination water- to-water heat exchanger
7, two heating water heat exchangers in parallel 8 of road cooler, chilled water circulating pump group 9, heating water circulation pump group 20 and desalted water follow
Ring pump group 6.
The air inlet of the desalination water- to-water heat exchanger 1 is connect with low pressure pick-up air shooter 2, and low pressure pick-up gas is conveyed
To desalination water- to-water heat exchanger 1, hot water in heating desalination water- to-water heat exchanger 1 obtains high pressure-temperature hot water HW, the desalination water- to-water heat exchanger
1 hot water outlet by delivery pipeline 3 respectively with by the hot water inlet of three handpiece Water Chilling Units 4, two desalted waters in parallel
Road cooler 7 and two heating water heat exchangers 8 connect, and hot water HW is delivered to two desalted water 7, two, coolers of bypass and adopts respectively
In warm water- to-water heat exchanger 8 and three handpiece Water Chilling Units 4, driving heat sources of the hot water HW as handpiece Water Chilling Units.
The chilled water inlet of three handpiece Water Chilling Units 4 is connect by chilled water circulating pump group 9 with chilled water return pipe 16 respectively,
Water RWR is transported to by chilled water circulating pump group 9 in three handpiece Water Chilling Units 4 in refrigeration in chilled water return pipe 16, three
The chilled water outlet of handpiece Water Chilling Units 4 is connect with chilled water outlet pipe 21 respectively, and the lower water RWS that freezes is delivered to chilled water outlet pipe
21, the cycle water inlet of three handpiece Water Chilling Units 4 is connect with circulating cooling water inlet pipe 13 respectively, and water CWS is transported to cold in cycle
In water dispenser group, the circulating water outlet of three handpiece Water Chilling Units is connect with circulating cooling return pipe 14 respectively, is recycled lower water CWR and is conveyed
Into circulating cooling return pipe 14, the hot water outlet of three handpiece Water Chilling Units is connect with hot water backwater's delivery pipe 19 respectively, the heat
Water return water delivery pipe 19 is changed with one end of desalination water-circulating pump group 6, two desalted water bypass coolers 7 and two heating waters respectively
Hot water backwater's entrance of hot device 8 connects, the other end of the desalination water-circulating pump group 7 respectively with desalination water heater 5 and desalination
Water- to-water heat exchanger 1 connects, and hot water backwater's HWR parts flow into desalination water heater 5 by desalination water-circulating pump group 6 and desalted water changes
In hot device 1, heated again；The outlet of desalination water heater 5 and desalination water- to-water heat exchanger 1 connects with hot water conveying pipe 3 respectively
It connects.
The hot water inlet of two desalted water bypass coolers 7 and two heating water heat exchangers 8 passes through hot water conveying pipe respectively
Road 3 is connect with the hot water outlet of desalination water- to-water heat exchanger 1, and hot water HW is delivered to two desalted waters respectively bypasses cooler 7 and two
In a heating water heat exchanger 8, the cycle water inlet of two desalted water bypass coolers 7 connects with circulating cooling water inlet pipe 13 respectively
It connects, water CWS is transported in two desalted water bypass coolers 7 in cycle, and the recirculated water of two desalted water bypass coolers 7 goes out
Mouth is connect with circulating cooling return pipe 14 respectively, is recycled lower water CWR and is transported in circulating cooling return pipe 14, two heating waters
The heating water inlet of heat exchanger 8 is connect by heating water circulation pump group 20 with heating water return pipe 17, and heating water NW passes through heating
Water-circulating pump group 20 is transported in two heating water heat exchangers 8, and the outlet of two heating water heat exchangers 8 is defeated with heating water respectively
It send pipe 18 to connect, heating water NW is delivered to by heating water delivery pipe 18 by the heating water outlet of heating water heat exchanger.
Synthesis ammonia utilizing waste heat for refrigeration system disclosed by the embodiments of the present invention further includes that chilled water regulated expander 10, heating water are steady
Compression swelling device 11 and desalted water regulated expander 12, the chilled water regulated expander 10, heating water regulated expander 11 and de-
The entrance of brine regulated expander 12 is connect with desalted water delivery pipe 15 respectively, the outlet of the chilled water regulated expander 10 with
Chilled water return pipe 16 connects；The outlet of the heating water regulated expander 11 is connect with heating water return pipe 17, the desalination
The outlet of water regulated expander 12 is connect with hot water backwater's delivery pipe 19.
In the present embodiment, the chilled water circulating pump that the chilled water circulating pump group 9 is connected in parallel by four forms, described
The heating water circulation pump group that heating water circulation pump group 20 is connected in parallel by two at, the desalination water-circulating pump group 6 by two simultaneously
The desalination water-circulating pump composition of connection connection.
In the present embodiment, handpiece Water Chilling Units select two segment type LiBr handpiece Water Chilling Units, water pump to select horizontal single-stage single suction clear water
Centrifugal pump.
Another exemplary embodiment of the application provides a kind of using synthesis ammonia utilizing waste heat for refrigeration system as described above
Working method, this method includes：
Low pressure pick-up gas is delivered in desalination water- to-water heat exchanger, hot water in desalination water- to-water heat exchanger is heated, obtains high pressure height
High pressure-temperature hot water HW is delivered to three handpiece Water Chilling Units by warm water HW respectively, drives handpiece Water Chilling Units, water RWR processes in refrigeration
Chilled water circulating pump group is transported in three handpiece Water Chilling Units, and the upper water CWS of cycle is delivered in three handpiece Water Chilling Units, heat is passed through
The hot water backwater HWR of three handpiece Water Chilling Units is delivered to desalination water- to-water heat exchanger by water return water conveyance conduit and desalination water-circulating pump, into
Row heats again.
High pressure-temperature hot water HW and hot water backwater HWR are delivered to two desalted water bypass coolers and two heating respectively
The upper water CWS of cycle is delivered in two desalted water bypass coolers, two desalted waters is bypassed following for cooler by water- to-water heat exchanger
Water CWR is delivered to circulating cooling return pipe under ring, and heating water NW, which is delivered to two heating waters, by heating water circulation pump group changes
In hot device, the heating water NW of two heating water heat exchangers is delivered to heating water delivery pipe.
It can be seen from the above description that the application the above embodiments realize following technique effect：
(1) present invention using three handpiece Water Chilling Units in parallel, two desalination water pond road coolers in parallel, two it is in parallel
Heating water heat exchanger and desalination water- to-water heat exchanger constitute a totally enclosed type water system, reduce and match electrical power, save conveying power consumption
Amount；Using three utilizing waste heat for refrigeration equipment, the waste heat for making full use of production of synthetic ammonia to generate achieves energy-saving and emission reduction purposes；
(2) water system is changed to totally-enclosed system by the present invention by open-type system, highly developed in theory, while also
The inspection of practice is arrived, such as certain engineering, chilled water circulating pump power of motor are reduced to 90kW by 132kW.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of synthesis ammonia utilizing waste heat for refrigeration system, characterized in that including desalination water- to-water heat exchanger and three handpiece Water Chilling Units in parallel, lead to
Too low buckling send gas transmission pipeline that low pressure pick-up gas is delivered in desalination water- to-water heat exchanger, heats heat in desalination water- to-water heat exchanger
Water obtains high pressure-temperature hot water, and high pressure-temperature hot water is delivered to three handpiece Water Chilling Units respectively by delivery pipeline, driving
Handpiece Water Chilling Units, the upper water of the interior refrigeration of chilled water return pipe are transported in three handpiece Water Chilling Units by chilled water circulating pump group, pass through
The upper water of cycle is delivered in three handpiece Water Chilling Units by circulating cooling water inlet pipe, and hot water backwater is delivered to hot water by three handpiece Water Chilling Units
Hot water backwater is delivered to desalination water- to-water heat exchanger by desalination water-circulating pump, is heated again by return water conveyance conduit.
2. synthesis ammonia utilizing waste heat for refrigeration system according to claim 1, characterized in that further include by two desalted waters in parallel
High pressure-temperature hot water is delivered to two desalted waters by delivery pipeline and bypassed in cooler, passed through by road cooler respectively
The hot water backwater of three handpiece Water Chilling Units is delivered in two desalted water bypass coolers by hot water backwater's conveyance conduit, passes through cycle
The upper water of cycle is delivered in two desalted water bypass coolers by cooling water inlet pipe, and two desalted water bypass coolers will be under cycle
Water is delivered to circulating cooling return pipe.
3. synthesis ammonia utilizing waste heat for refrigeration system according to claim 1, characterized in that further include that two heating waters in parallel change
High pressure-temperature hot water is delivered in two heating water heat exchangers by delivery pipeline, passes through hot water backwater by hot device respectively
The hot water backwater of three handpiece Water Chilling Units is delivered in two heating water heat exchangers by conveyance conduit, heating water in heating water return pipe
It is transported in two heating water heat exchangers by heating water circulation pump group, heating water is delivered to and adopts by two heating water heat exchangers
Warm water delivery pipe.
4. synthesis ammonia utilizing waste heat for refrigeration system according to claim 1, characterized in that further include desalination water heater, it is described
The hot water inlet of desalination water heater connect with the outlet of desalination water-circulating pump group, and hot water backwater is delivered to desalted water heating
The hot water outlet of device, the desalination water heater is connect with delivery pipeline, and hot water backwater is delivered to delivery pipeline.
5. synthesis ammonia utilizing waste heat for refrigeration system according to claim 1, characterized in that further include chilled water regulated expander,
Heating water regulated expander and desalted water regulated expander, the chilled water regulated expander, heating water regulated expander and de-
The entrance of brine regulated expander is connect with desalted water delivery pipe respectively, the outlet of the chilled water regulated expander and chilled water
Return pipe connects；The outlet of the heating water regulated expander is connect with heating water return pipe, the desalted water regulated expander
Outlet connect with hot water return pipe.
6. synthesis ammonia utilizing waste heat for refrigeration system according to claim 3, characterized in that the chilled water circulating pump group is by four
The chilled water circulating pump composition being connected in parallel, the heating water circulation pump group that the heating water circulation pump group is connected in parallel by two
At the desalination water-circulating pump that the desalination water-circulating pump group is connected in parallel by two forms.
7. the working method of the synthesis ammonia utilizing waste heat for refrigeration system as described in any one of claim 1-6, characterized in that including：
Low pressure pick-up gas is delivered in desalination water- to-water heat exchanger, hot water in desalination water- to-water heat exchanger is heated, obtains high pressure-temperature heat
High pressure-temperature hot water is delivered to three handpiece Water Chilling Units by water respectively, drives handpiece Water Chilling Units, and water is by chilled water circulating pump in refrigeration
Group is transported in three handpiece Water Chilling Units, and the upper water of cycle is delivered in three handpiece Water Chilling Units, hot water backwater's conveyance conduit is passed through
The hot water backwater of three handpiece Water Chilling Units is delivered to desalination water- to-water heat exchanger with desalination water-circulating pump, is heated again.
8. according to the method described in claim 7, further including：
High pressure-temperature hot water and hot water backwater are delivered to two desalted water bypass coolers and two heating water heat exchangers respectively,
The upper water of cycle is delivered in two desalted water bypass coolers, and water under the cycle of two desalted waters bypass coolers is conveyed
To circulating cooling return pipe, heating water is delivered in two heating water heat exchangers by heating water circulation pump group, two are adopted
The heating water of warm water- to-water heat exchanger is delivered to heating water delivery pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752111.6A CN108548344B (en) | 2018-07-10 | 2018-07-10 | Synthetic ammonia waste heat refrigerating system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752111.6A CN108548344B (en) | 2018-07-10 | 2018-07-10 | Synthetic ammonia waste heat refrigerating system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548344A true CN108548344A (en) | 2018-09-18 |
| CN108548344B CN108548344B (en) | 2023-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810752111.6A Active CN108548344B (en) | 2018-07-10 | 2018-07-10 | Synthetic ammonia waste heat refrigerating system and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08312905A (en) * | 1995-05-23 | 1996-11-26 | Toshiba Corp | Combined cycle power generating facility |
| CN201837278U (en) * | 2010-09-17 | 2011-05-18 | 甘肃金昌化学工业集团有限公司 | Energy-saving double-tube heat exchanger |
| CN103398547A (en) * | 2013-07-30 | 2013-11-20 | 江苏中核华纬工程设计研究有限公司 | Process of treating purge gas from synthetic ammonia by LNG cold energy |
| CN103968598A (en) * | 2013-01-24 | 2014-08-06 | 盾安（天津）节能系统有限公司 | Large temperature difference centralized heating/cooling system |
| CN206291528U (en) * | 2016-11-09 | 2017-06-30 | 中国天辰工程有限公司 | A kind of Coal Chemical Industry low level process waste refrigeration system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312905A (en) * | 1995-05-23 | 1996-11-26 | Toshiba Corp | Combined cycle power generating facility |
| CN201837278U (en) * | 2010-09-17 | 2011-05-18 | 甘肃金昌化学工业集团有限公司 | Energy-saving double-tube heat exchanger |
| CN103968598A (en) * | 2013-01-24 | 2014-08-06 | 盾安（天津）节能系统有限公司 | Large temperature difference centralized heating/cooling system |
| CN103398547A (en) * | 2013-07-30 | 2013-11-20 | 江苏中核华纬工程设计研究有限公司 | Process of treating purge gas from synthetic ammonia by LNG cold energy |
| CN206291528U (en) * | 2016-11-09 | 2017-06-30 | 中国天辰工程有限公司 | A kind of Coal Chemical Industry low level process waste refrigeration system |
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