CN209415826U - A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler - Google Patents
A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler Download PDFInfo
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- CN209415826U CN209415826U CN201822208371.5U CN201822208371U CN209415826U CN 209415826 U CN209415826 U CN 209415826U CN 201822208371 U CN201822208371 U CN 201822208371U CN 209415826 U CN209415826 U CN 209415826U
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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
Abstract
A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler, the unit includes evaporating temperature sensor (10), the unit driving heat source is pressure 0.1MPa.G steam, steam generator (1) is immersion, steam flows out after condensate heat exchanger (9) cooling after condensation in steam generator (1) heat-transfer pipe, the unit is additionally arranged water as refrigerant denseness on-line detection device, water as refrigerant inner cylinder (14) are arranged in water as refrigerant outer cylinder (15) in it, two bottoms are concordant, there are vapor phase spaces on top, outer cylinder bottom water as refrigerant is into discharge orifice of limiting at outer bobbin (11), inner cylinder bottom is gone back to liquid capsule pipe (11) with water as refrigerant and is connect, water as refrigerant balance pipe (16) are connected at the top of outer cylinder, cryogen water pressure sensor (13) are arranged in outer cylinder lower part.The device energy automatic on-line detects cryogen water density, and then in safe range by water as refrigerant density domination, improves unit reliability.
Description
Technical field
The utility model relates to air conditioner technical fields, more particularly to a kind of on-line checking density steam single-effect type bromine
Change lithium-absorbing formula low-temperature cold water unit.
Background technique
Common steam single-effect lithiumbromide absorption chiller such as Fig. 1 are to produce 7 DEG C or more of cold water for air-conditioning
User or production technology use, and the water as refrigerant temperature safety value general control recycled inside such unit is at 3 DEG C or more, and machine
When group finds refrigerating capacity deficiency in debugging or running for the first time, need to detect cryogen water density.Detection cryogen water density is usually adopted
The method manually sampled, with densimeter measurement see scale read data, once discovery cryogen water density be greater than 1.04g/ml with
On, it is considered as in refrigerant pollution, that is, water as refrigerant and has been mixed into lithium-bromide solution, water as refrigerant just needs to bypass regeneration, until cold
Agent water density is less than 1.002g/ml, and water as refrigerant just meets unit requirement.
But the steam single-effect lithiumbromide absorption type low-temperature water cooler for producing 0 DEG C or so cold water, antifreeze is to close
Key can add anti-icing fluid in external system cold water to reduce the freezing point of water, and the cryogen coolant-temperature gage recycled inside unit can be than outer
Portion's system cold water temperature 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 the content of lithium-bromide solution needs to control in a certain range, if cryogen water density is too big according to cryogen coolant-temperature gage in water as refrigerant
It will affect refrigerating capacity, if the too small risk for having icing of cryogen water density, so, steam single-effect lithiumbromide absorption type low-temperature is cold
Water dispenser group needs real-time automatic on-line detection cryogen water density in operation.How cryogen watertight could be detected automatic on-line in real time
Degree improves security reliability, so that unit is in optimal operational condition, and can save unit cost, become current steam single-effect type
One of the important topic of suction-type lithium bromide low-temperature cold water unit research.
Utility model content
Purpose of the utility model is to solve proposing in above-mentioned background problems, providing a kind of can make at unit
In optimal operational condition, cost and low on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler.
The utility model aim is achieved in that a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature
By water cooler, including steam generator, condenser, evaporator, absorber, solution heat exchanger, condensate heat exchanger, weak solution
Port valve and evaporating temperature sensor etc., the unit driving heat source are pressure 0.1MPa.G steam, and steam generator is immersion,
Steam flows out after the cooling of condensate heat exchanger after condensing in steam generator heat-transfer pipe, which is additionally arranged cryogen water density and exists
Line detector, the water as refrigerant denseness on-line detection device include that water as refrigerant returns liquid capsule pipe, water as refrigerant into outer bobbin, water as refrigerant
Pressure sensor, water as refrigerant inner cylinder, water as refrigerant outer cylinder, water as refrigerant balance pipe and control system etc..It is arranged in water as refrigerant outer cylinder
There is water as refrigerant inner cylinder, the cylinder bottom flush with portions of water as refrigerant outer cylinder and water as refrigerant inner cylinder, there are vapor phase space, water as refrigerant outer cylinders on top
Bottom water as refrigerant, which enters, is equipped with metering hole at outer bobbin, water as refrigerant inner cylinder bottom and water as refrigerant time liquid bladder tube connection, outside water as refrigerant
Cylinder top is connect with water as refrigerant balance pipe, and cryogen water pressure sensor is arranged in water as refrigerant outer cylinder lower part.Use evaporating temperature sensor
The corresponding evaporating pressure out of the evaporating temperature measured.
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.Directly measure evaporating pressure.
The 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 makes the pressure that pressure sensor measures
Power changes therewith, and the evaporating pressure that cold water outlet temperature variation measures evaporating pressure sensor changes (or evaporating temperature therewith
The corresponding evaporating pressure out of the evaporating temperature that sensor measures changes therewith), the cryogen water pressure measured subtracts evaporating pressure and is equal to
On-line checking cryogen differential water pressures, cryogen differential water pressures correspond to cryogen water density, by the calculation formula and corresponding relationship input control journey
Sequence, unit itself touch screen directly display out cryogen water density, according to water as refrigerant Auto-regulating System of Density of Heavy Medium weak solution by-passing valve by water as refrigerant
Density domination is in safe range.
The beneficial effects of the utility model are:
The utility model realizes that automatic on-line detects cryogen water density, root by above-mentioned water as refrigerant denseness on-line detection device
According to water as refrigerant Auto-regulating System of Density of Heavy Medium solution by-passing valve by water as refrigerant density domination in safe range, so that unit is in optimum operation shape
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, very
Empty good airproof performance.Water as refrigerant denseness on-line detection device can make steam single-effect lithiumbromide absorption type low-temperature water cooler integral into
This reduction, security reliability improve, and solve antifreeze critical issue, extend lithium bromide adsorption water chilling unit product line,
The field of application is wider.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of common steam single-effect lithiumbromide absorption type low-temperature water cooler.
Fig. 2 is that a kind of on-line checking density steam single-effect lithiumbromide of the utility model is absorption in another embodiment
The structural schematic diagram of low-temperature cold water unit.
Fig. 3 is that a kind of on-line checking density steam single-effect lithiumbromide of the utility model is absorption in another embodiment
The structural schematic diagram of low-temperature cold water unit.
Fig. 4 is a kind of knot of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler of the utility model
Structure schematic diagram.
In figure:
Steam generator 1, condenser 2, evaporator 3, absorber 4, solution heat exchanger 5, condensate heat exchanger 9, solution pump
6, cryogenic fluid pump 7, weak solution by-passing valve 8, evaporating temperature sensor 10, water as refrigerant return liquid capsule pipe 11, water as refrigerant into outer bobbin 12, cold
It is agent water pressure sensor 13, water as refrigerant inner cylinder 14, water as refrigerant outer cylinder 15, water as refrigerant balance pipe 16, evaporating pressure sensor 17, cold
But water inlet A, cooling water outlet B, steam inlet C, steam condensation water outlet D, low-temperature cold water entrance E, low-temperature cold water export F.
Specific embodiment
The utility model is illustrated in the following with reference to the drawings and specific embodiments:
Embodiment 1:
As shown in Fig. 2, a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler, it includes steaming
Vapour generator 1, condenser 2, evaporator 3, absorber 4, solution heat exchanger 5, condensate heat exchanger 9, solution pump 6, cryogenic fluid pump 7,
Weak solution by-passing valve 8 and evaporating temperature sensor 10, it is characterised in that: the unit driving heat source is pressure 0.1MPa.G steaming
Vapour, steam generator 1 are immersion, and steam flows after the cooling of condensate heat exchanger 9 after condensing in 1 heat-transfer pipe of steam generator
Out, which is additionally arranged water as refrigerant denseness on-line detection device, which returns liquid capsule by water as refrigerant
Pipe 11, water as refrigerant are into outer bobbin 12, cryogen water pressure sensor 13, water as refrigerant inner cylinder 14, water as refrigerant outer cylinder 15, cryogen water balance
Pipe 16, evaporating pressure sensor 17 and control system are constituted.Water as refrigerant inner cylinder 14, two bottoms are set in water as refrigerant outer cylinder 15
Concordantly, top is there are vapor phase space, and into metering hole is equipped at outer bobbin 12, inner cylinder bottom and water as refrigerant return outer cylinder bottom water as refrigerant
Liquid capsule pipe 11 connects, and connect at the top of outer cylinder with water as refrigerant balance pipe 16, and cryogen water pressure sensor 13, outer cylinder is arranged in outer cylinder lower part
Evaporating pressure sensor 17 is arranged in top.
Steam single-effect lithiumbromide absorption type low-temperature water cooler is overlapping type in above scheme.
Cooling water is series connection or parallel connection in above scheme.
Embodiment 2:
As shown in figure 3, in another embodiment, evaporating pressure sensor 17 is arranged in evaporator tube vapour phase area.
Embodiment 3:
As shown in figure 4, the evaporating pressure sensor 17 is not provided in another embodiment, passed with evaporating temperature
The corresponding evaporating pressure out of the evaporating temperature that sensor 10 measures.
The present apparatus draw from 7 outlet of cryogenic fluid pump all the way water as refrigerant through water as refrigerant into outer bobbin 12 enter water as refrigerant outer cylinder bottom
Portion, the water as refrigerant overflow in outer cylinder enter water as refrigerant inner cylinder 14, then return liquid capsule pipe 11 from flowing into evaporator through water as refrigerant by liquid level difference
Liquid capsule constantly recycles.Water as refrigerant liquid level is definite value in outer cylinder, and the variable density of water as refrigerant makes cryogen water pressure sensor 13
The cryogen water pressure measured changes therewith, and the evaporating pressure that cold water outlet temperature variation measures evaporating pressure sensor 17 is therewith
Variation (or the corresponding evaporating pressure out of evaporating temperature that evaporating temperature sensor 10 measures changes therewith), the cryogen water pressure measured
Evaporating pressure is subtracted equal to on-line checking cryogen differential water pressures, cryogen differential water pressures correspond to cryogen water density, by the calculation formula (and
Evaporating temperature and evaporating pressure corresponding relationship) and cryogen differential water pressures and cryogen water density corresponding relationship input control program, machine
Itself touch screen of group directly displays out cryogen water density, according to water as refrigerant Auto-regulating System of Density of Heavy Medium weak solution by-passing valve 8 by cryogen water density
Control is in safe range.
In addition to the implementation, the utility model further includes having other embodiments, all to use equivalents or equivalent
The technical solution that alternative is formed, should all fall within the protection scope of the utility model claims.
Claims (5)
1. a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler, including it is steam generator (1), cold
Condenser (2), evaporator (3), absorber (4), solution heat exchanger (5), condensate heat exchanger (9), solution pump (6), cryogenic fluid pump
(7), weak solution by-passing valve (8) and evaporating temperature sensor (10), it is characterised in that: the unit driving heat source is pressure
0.1MPa.G steam, the steam generator (1) are immersion, and steam is in steam generator (1) heat-transfer pipe through solidifying after condensation
Unit is flowed out after water- to-water heat exchanger (9) cooling, which is also additionally arranged water as refrigerant denseness on-line detection device, the cryogen water density
On-line measuring device includes that water as refrigerant returns liquid capsule pipe (11), water as refrigerant into outer bobbin (12), cryogen water pressure sensor (13), cold
Agent water inner cylinder (14), water as refrigerant outer cylinder (15), water as refrigerant balance pipe (16) and control system, the water as refrigerant outer cylinder (15) is interior to be set
Be equipped with water as refrigerant inner cylinder (14), the cylinder bottom flush with portions of the water as refrigerant outer cylinder (15) and water as refrigerant inner cylinder (14), top there are
Vapor phase space, water as refrigerant outer cylinder (15) bottom water as refrigerant, which enters, is equipped with metering hole at outer bobbin (12), in the water as refrigerant
Cylinder (14) bottom is gone back to liquid capsule pipe (11) with water as refrigerant and is connect, at the top of the water as refrigerant outer cylinder (15) even with water as refrigerant balance pipe (16)
It connects, cryogen water pressure sensor (13) are arranged in water as refrigerant outer cylinder (15) lower part.
2. a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler according to claim 1,
It is characterized by: described device further includes evaporating pressure sensor (17), the evaporating pressure sensor (17) is arranged in cryogen
At the top of water outer cylinder (15) or evaporator tube vapour phase area.
3. a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature cooling-water machine according to claim 1 or 2
Group, it is characterised in that: the steam single-effect lithiumbromide absorption type low-temperature water cooler is overlapping type suction-type lithium bromide low temperature
Water cooler.
4. a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature cooling-water machine according to claim 1 or 2
Group, it is characterised in that: the cooling water of steam single-effect lithiumbromide absorption type low-temperature water cooler is series connection.
5. a kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature cooling-water machine according to claim 1 or 2
Group, it is characterised in that: the cooling water of steam single-effect lithiumbromide absorption type low-temperature water cooler is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822208371.5U CN209415826U (en) | 2018-12-27 | 2018-12-27 | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822208371.5U CN209415826U (en) | 2018-12-27 | 2018-12-27 | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler |
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| Publication Number | Publication Date |
|---|---|
| CN209415826U true CN209415826U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822208371.5U Active CN209415826U (en) | 2018-12-27 | 2018-12-27 | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler |
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| CN (1) | CN209415826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458754A (en) * | 2018-12-27 | 2019-03-12 | 双良节能系统股份有限公司 | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler |
-
2018
- 2018-12-27 CN CN201822208371.5U patent/CN209415826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458754A (en) * | 2018-12-27 | 2019-03-12 | 双良节能系统股份有限公司 | A kind of on-line checking density steam single-effect lithiumbromide absorption type low-temperature water cooler |
| CN109458754B (en) * | 2018-12-27 | 2024-02-06 | 双良节能系统股份有限公司 | Single-effect lithium bromide absorption type low-temperature water chilling unit for online detection of density steam |
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