CN109458753A - A kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit - Google Patents
A kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit Download PDFInfo
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- CN109458753A CN109458753A CN201811606676.XA CN201811606676A CN109458753A CN 109458753 A CN109458753 A CN 109458753A CN 201811606676 A CN201811606676 A CN 201811606676A CN 109458753 A CN109458753 A CN 109458753A
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- water
- refrigerant
- flue gas
- outer cylinder
- temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 177
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000003546 flue gas Substances 0.000 title claims abstract description 39
- 239000003507 refrigerant Substances 0.000 claims abstract description 110
- 238000001704 evaporation Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002775 capsule Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000012808 vapor phase Substances 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 12
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000012071 phase Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 229940059936 lithium bromide Drugs 0.000 description 21
- 238000000034 method Methods 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000009466 transformation 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
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/04—Arrangement or mounting of control or safety devices for sorption type machines, plants or systems
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water units, belong to technical field of refrigeration equipment.The unit includes evaporating temperature sensor (12), the unit driving heat source is that jet dynamic control and Industrial Stoves discharge high-temperature flue gas, unit is additionally arranged water as refrigerant denseness on-line detection device, the device is provided with water as refrigerant inner cylinder (16) in water as refrigerant outer cylinder (17), two bottom is concordant, there are vapor phase spaces on top, outer cylinder bottom water as refrigerant is into being equipped with metering hole at outer bobbin (14), inner cylinder bottom is gone back to liquid capsule pipe (13) with water as refrigerant and is connect, it is connect at the top of outer cylinder with water as refrigerant balance pipe (18), cryogen water pressure sensor (15) are arranged in outer cylinder lower part.Present apparatus energy automatic on-line detects cryogen water density, and then in safe range by water as refrigerant density domination, unit is made to be constantly in optimal operational condition.
Description
Technical field
The present invention relates to air conditioner technical fields, more particularly to a kind of on-line checking density flue gas type lithium bromide absorption
Formula low-temperature cold water unit.
Background technique
Common flue gas type lithium bromide adsorption water chilling unit such as Fig. 1 are to produce 7 DEG C or more of cold water for air conditioner user
Or production technology uses, the water as refrigerant temperature safety value general control recycled inside such unit is at 3 DEG C or more, and unit exists
When debugging for the first time or finding refrigerating capacity deficiency in running, need to detect cryogen water density.Detection cryogen water density generallys use people
The method of work sampling sees that scale reads data with densimeter measurement, once discovery cryogen water density is greater than 1.04g/ml or more, depending on
To be mixed into lithium-bromide solution in refrigerant pollution, that is, water as refrigerant, water as refrigerant just needs to bypass regeneration, until cryogen watertight
Degree is less than 1.002g/ml, and water as refrigerant just meets unit requirement.
But the flue gas type suction-type lithium bromide low-temperature cold water unit for producing 0 DEG C or so cold water, antifreeze is key,
Anti-icing fluid can be added in external system cold water to reduce the freezing point of water, and the cryogen coolant-temperature gage recycled inside unit can be than outside
Cold water temperature of uniting is lower, in order to reduce cryogen water freezing point, often uses the method that lithium-bromide solution is added into water as refrigerant, and cold
The content of lithium-bromide solution needs to control in a certain range according to cryogen coolant-temperature gage in agent water, can shadow if cryogen water density is too big
Refrigerating capacity is rung, if the too small risk for having icing of cryogen water density, so, flue gas type suction-type lithium bromide low-temperature cold water unit exists
Real-time automatic on-line detection cryogen water density is needed in operation.How cryogen water density could be detected by automatic on-line in real time, improve peace
Full reliability makes unit be in optimal operational condition, and can save unit cost, and it is low to become current flue gas type suction-type lithium bromide
One of the important topic of warm water cooler research.
Summary of the invention
Unit can be made to be in optimal operational condition, cost again the purpose of the present invention is to overcome the above shortcomings and to provide a kind of
Low, a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit.
What the object of the invention was realized in: a kind of on-line checking density flue gas type suction-type lithium bromide low temperature water cooling machine
Group, including flue gas high pressure generator, low pressure generator, condenser, evaporator, absorber, cryogenic fluid heat exchanger, high temperature are molten
Liquid heat exchanger, solution pump, cryogenic fluid pump, weak solution by-passing valve and evaporating temperature sensor, it is characterised in that: the unit driving
Heat source is jet dynamic control or Industrial Stoves discharge high-temperature flue gas, and flue gas weak solution temperature is discharged after reducing, weak solution
In flue gas high pressure generator concentration be intermediate solution, the refrigerant vapour of generation enter in low pressure generator heat-transfer pipe be condensed into it is cold
Agent water, it is concentrated solution that intermediate solution, which enters concentration in low pressure generator after high-temperature solution heat exchanger and weak solution heat exchange, is produced
Raw refrigerant vapour, which enters outside condenser thermal transfer pipe, is condensed into water as refrigerant, and concentrated solution is changed through cryogenic fluid heat exchanger with weak solution
Enter spray, water as refrigerant in absorber after heat to enter evaporator evaporation endothermic and produce low-temperature cold water, which is also additionally arranged cryogen
Water density on-line measuring device, the water as refrigerant denseness on-line detection device include water as refrigerant return liquid capsule pipe, water as refrigerant into outer bobbin,
Cryogen water pressure sensor, water as refrigerant inner cylinder, water as refrigerant outer cylinder, water as refrigerant balance pipe and control system etc., outside the water as refrigerant
It is provided with water as refrigerant inner cylinder in cylinder, the water as refrigerant outer cylinder is concordant with water as refrigerant inner cylinder bottom, there are vapor phase spaces on top, described
Water as refrigerant outer cylinder bottom water as refrigerant returns liquid capsule Guan Lian into metering hole, water as refrigerant inner cylinder bottom and water as refrigerant is equipped at outer bobbin
It connects, is connect at the top of the water as refrigerant outer cylinder with water as refrigerant balance pipe, water as refrigerant pressure sensing is arranged in water as refrigerant outer cylinder lower part
Device.The corresponding evaporating pressure out of evaporating temperature measured with evaporating temperature sensor.
Described device further includes evaporating pressure sensor, the evaporating pressure sensor be arranged at the top of water as refrigerant outer cylinder or
Evaporator tube vapour phase area.Evaporating pressure is directly determined with evaporating pressure sensor.
The flue gas type suction-type lithium bromide low-temperature cold water unit is overlapping type.
The cooling water is series connection.
The cooling water is in parallel.
The present apparatus draws water as refrigerant all the way from cryogen pump discharge pipe and through water as refrigerant enters water as refrigerant outer cylinder bottom into outer bobbin,
Water as refrigerant overflow in outer cylinder enters water as refrigerant inner cylinder, then returns liquid capsule pipe from evaporator liquid capsule is flowed into through water as refrigerant by liquid level difference, presses
This process constantly recycles.Water as refrigerant liquid level is definite value in outer cylinder, and water as refrigerant variable density surveys cryogen water pressure sensor
Pressure change therewith, cold water outlet temperature variation measure evaporating pressure sensor evaporating pressure change therewith (or steaming
The corresponding evaporating pressure out of the evaporating temperature that hair temperature sensor measures changes therewith), the cryogen water pressure measured subtracts vapor pres- sure
Power is equal to on-line checking cryogen differential water pressures, and cryogen differential water pressures correspond to cryogen water density, and the calculation formula and corresponding relationship are inputted
Program is controlled, unit itself touch screen directly displays out cryogen water density, will according to water as refrigerant Auto-regulating System of Density of Heavy Medium weak solution by-passing valve
Water as refrigerant density domination is in safe range.
The beneficial effects of the present invention are:
The present invention realizes that automatic on-line detects cryogen water density by above-mentioned increased water as refrigerant denseness on-line detection device, according to
Water as refrigerant density domination in safe range, is made unit be in optimum operation shape by water as refrigerant Auto-regulating System of Density of Heavy Medium weak solution by-passing valve
State, and " on-line densimeter " that the water as refrigerant denseness on-line detection device cost is on sale well below market, measurement accuracy is high,
Vacuum leakproofness is good.Water as refrigerant denseness on-line detection device can make flue gas type suction-type lithium bromide low-temperature cold water unit overall cost
It reduces, security reliability improves, and solves antifreeze critical issue, extends lithium bromide adsorption water chilling unit product line, answers
Field is wider.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of common flue gas type suction-type lithium bromide low-temperature cold water unit.
Fig. 2 is that a kind of a kind of structure of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit of the present invention is shown
It is intended to.
Fig. 3 is a kind of a kind of embodiment party of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit of the present invention
The structural schematic diagram of formula.
Fig. 4 is a kind of structural representation of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit of the present invention
Figure.
In figure:
Flue gas high pressure generator 1, low pressure generator 2, condenser 3, evaporator 4, absorber 5, cryogenic fluid heat exchanger 6, height
Warm solution heat exchanger 8, solution pump 9, cryogenic fluid pump 10, weak solution by-passing valve 11, evaporating temperature sensor 12, water as refrigerant return liquid capsule
Pipe 13, water as refrigerant are into outer bobbin 14, cryogen water pressure sensor 15, water as refrigerant inner cylinder 16, water as refrigerant outer cylinder 17, cryogen water balance
Pipe 18, evaporating pressure sensor 19, cooling water inlet A, cooling water outlet B, smoke inlet C, smoke evacuation outlet D, low-temperature cold water enter
Mouth C, low-temperature cold water export D.
Specific embodiment
The present invention is illustrated in the following with reference to the drawings and specific embodiments:
As shown in figure 4, a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit, including flue gas high pressure occur
Device 1, low pressure generator 2, condenser 3, evaporator 4, absorber 5, cryogenic fluid heat exchanger 6, high-temperature solution heat exchanger 8,
Solution pump 9, cryogenic fluid pump 10, weak solution by-passing valve 11 and evaporating temperature sensor (12), it is characterised in that: the unit driving heat
Source is that the unit driving heat source is jet dynamic control or Industrial Stoves discharge high-temperature flue gas, flue gas weak solution temperature drop
Discharge after low, it is intermediate solution that weak solution is concentrated in flue gas high pressure generator 1, and the refrigerant vapour of generation enters low pressure generator
Water as refrigerant is condensed into 2 heat-transfer pipes, intermediate solution enters low pressure generator after high-temperature solution heat exchanger 8 and weak solution heat exchange
Concentration is concentrated solution in 2, and the refrigerant vapour of generation, which enters outside 3 heat-transfer pipe of condenser, is condensed into water as refrigerant, and concentrated solution is molten through low temperature
Enter spray, water as refrigerant in absorber 5 after liquid heat exchanger 6 and weak solution heat exchange to enter 4 evaporation endothermic of evaporator and produce low temperature
Cold water, the unit are additionally arranged water as refrigerant denseness on-line detection device, which includes that water as refrigerant returns
Liquid capsule pipe 13, water as refrigerant are into outer bobbin 14, cryogen water pressure sensor 15, water as refrigerant inner cylinder 16, water as refrigerant outer cylinder 17, water as refrigerant
Balance pipe 18 and control system etc. are provided with water as refrigerant inner cylinder 16,17 He of water as refrigerant outer cylinder in the water as refrigerant outer cylinder 17
16 bottom of water as refrigerant inner cylinder is concordant, top is there are vapor phase space, and the 17 bottom water as refrigerant of water as refrigerant outer cylinder is at outer bobbin 14
Equipped with metering hole, 16 bottom of water as refrigerant inner cylinder and water as refrigerant return liquid capsule pipe 13 and connects, 17 top of water as refrigerant outer cylinder and
Water as refrigerant balance pipe 18 connects, and cryogen water pressure sensor 15 is arranged in 17 lower part of water as refrigerant outer cylinder.
In above scheme, evaporating pressure sensor 19 is not provided with, the evaporating temperature pair measured with evaporating temperature sensor 12
Evaporating pressure should be gone out.
In above scheme, the flue gas type suction-type lithium bromide low-temperature cold water unit is overlapping type.
In above scheme, the cooling water is serial or parallel connection.
As described in Figure 2, in another embodiment, described device further includes evaporating pressure sensor 19, the evaporation
The setting of pressure sensor 19 is at 17 top of water as refrigerant outer cylinder.
As shown in figure 3, the evaporating pressure sensor 19 is arranged in evaporator tube vapour phase in another embodiment
Area.
The present apparatus draw from 10 outlet of cryogenic fluid pump all the way water as refrigerant through water as refrigerant into outer bobbin 14 enter water as refrigerant outer cylinder
Bottom, the water as refrigerant overflow in outer cylinder enter water as refrigerant inner cylinder 16, then return liquid capsule pipe 13 through water as refrigerant by liquid level difference and evaporate from flowing into
Device liquid capsule constantly recycles.Water as refrigerant liquid level is definite value in outer cylinder, and water as refrigerant variable density makes cryogen water pressure sensor 15
The cryogen water pressure measured changes therewith, and low-temperature cold water outlet temperature changes the evaporating pressure for measuring evaporating pressure sensor 19
Variation (or the corresponding evaporating pressure out of evaporating temperature that evaporating temperature sensor 12 measures changes therewith) therewith, the water as refrigerant measured
Pressure subtracts evaporating pressure equal to on-line checking cryogen differential water pressures, and cryogen differential water pressures correspond to cryogen water density, by the calculation formula
With corresponding relationship input control program, unit itself touch screen directly displays out cryogen water density, according to water as refrigerant Auto-regulating System of Density of Heavy Medium
In safe range by water as refrigerant density domination, reliability improves weak solution by-passing valve 11, flue gas type suction-type lithium bromide low temperature
Water cooler is at optimal operational condition.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (5)
1. a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit, including it is flue gas high pressure generator (1), low
Press generator (2), condenser (3), evaporator (4), absorber (5), cryogenic fluid heat exchanger (6), pyrosol heat exchange
Device (8), solution pump (9), cryogenic fluid pump (10), weak solution by-passing valve (11) and evaporating temperature sensor (12), it is characterised in that: institute
Stating unit driving heat source is that jet dynamic control or Industrial Stoves discharge high-temperature flue gas, and flue gas weak solution temperature reduces heel row
It puts, weak solution concentration in flue gas high pressure generator (1) is intermediate solution, and the refrigerant vapour of generation enters low pressure generator (2)
Water as refrigerant is condensed into heat-transfer pipe, intermediate solution enters low pressure behind high-temperature solution heat exchanger (8) and weak solution heat exchange
Concentration is concentrated solution in device (2), and the refrigerant vapour of generation, which enters outside condenser (3) heat-transfer pipe, is condensed into water as refrigerant, concentrated solution warp
Enter spray in absorber (5) after cryogenic fluid heat exchanger (6) and weak solution heat exchange, water as refrigerant enters evaporator (4) evaporation
Low-temperature cold water is produced in heat absorption, which is also additionally arranged water as refrigerant denseness on-line detection device, cryogen water density on-line checking dress
It sets and returns liquid capsule pipe (13), water as refrigerant into outer bobbin (14), cryogen water pressure sensor (15), water as refrigerant inner cylinder including water as refrigerant
(16), water as refrigerant outer cylinder (17), water as refrigerant balance pipe (18) and control system, the water as refrigerant outer cylinder (17) is interior to be provided with cryogen
Water inner cylinder (16), the water as refrigerant outer cylinder (17) is concordant with water as refrigerant inner cylinder (16) bottom, there are vapor phase spaces on top, described cold
Agent water outer cylinder (17) bottom water as refrigerant is into being equipped with metering hole, water as refrigerant inner cylinder (16) bottom and water as refrigerant at outer bobbin (14)
Liquid capsule pipe (13) connection is returned, is connect at the top of the water as refrigerant outer cylinder (17) with water as refrigerant balance pipe (18), the water as refrigerant outer cylinder
(17) lower part setting cryogen water pressure sensor (15).
2. a kind of its feature of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit according to claim 1
Be: described device further includes evaporating pressure sensor (19), and the evaporating pressure sensor (19) is arranged in water as refrigerant outer cylinder
(17) top or evaporator tube vapour phase area.
3. a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit according to claim 1 or 2,
Be characterized in that: the flue gas type suction-type lithium bromide low-temperature cold water unit is overlapping type.
4. a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit according to claim 1 or 2,
Be characterized in that: the cooling water is series connection.
5. a kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit according to claim 1 or 2,
Be characterized in that: the cooling water is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606676.XA CN109458753B (en) | 2018-12-27 | 2018-12-27 | Online detection density flue gas type lithium bromide absorption type low-temperature water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606676.XA CN109458753B (en) | 2018-12-27 | 2018-12-27 | Online detection density flue gas type lithium bromide absorption type low-temperature water chilling unit |
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| Publication Number | Publication Date |
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| CN109458753A true CN109458753A (en) | 2019-03-12 |
| CN109458753B CN109458753B (en) | 2024-04-02 |
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- 2018-12-27 CN CN201811606676.XA patent/CN109458753B/en active Active
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| CN107388617A (en) * | 2017-08-15 | 2017-11-24 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type refrigeration unit |
| CN107477907A (en) * | 2017-08-15 | 2017-12-15 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type handpiece Water Chilling Units |
| CN207081238U (en) * | 2017-08-15 | 2018-03-09 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type handpiece Water Chilling Units |
| CN209415823U (en) * | 2018-12-27 | 2019-09-20 | 双良节能系统股份有限公司 | A kind of on-line checking density flue gas type suction-type lithium bromide low-temperature cold water unit |
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