CN2919140Y - Hot-water two-stage multistage type lithium bromide absorption type water chilling unit having solution elevator pump - Google Patents

Hot-water two-stage multistage type lithium bromide absorption type water chilling unit having solution elevator pump Download PDF

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Publication number
CN2919140Y
CN2919140Y CNU2006200721538U CN200620072153U CN2919140Y CN 2919140 Y CN2919140 Y CN 2919140Y CN U2006200721538 U CNU2006200721538 U CN U2006200721538U CN 200620072153 U CN200620072153 U CN 200620072153U CN 2919140 Y CN2919140 Y CN 2919140Y
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China
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stage
condenser
generator
water
hot
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Expired - Fee Related
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CNU2006200721538U
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Chinese (zh)
Inventor
江荣方
张长江
毛洪财
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Shuangliang Eco Energy Systems Co Ltd
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Jiangsu Shuangliang Air Conditioning Equipment Co Ltd
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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
    • 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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  • Sorption Type Refrigeration Machines (AREA)

Abstract

The utility model relates to a two-stage multiple-section lithium bromide absorption water chilling unit with a liquid lift pump, and comprises a first heat exchanger (3), a second heat exchanger (7), a stage 1 generator (4), a stage 1 absorber (5), a stage 2 generator (8), a condenser (12), an evaporator (20), a stage 2 absorber (16), a liquid pump, a cryogen pump, and pipes and valves for connection. The utility model is characterized in that the unit arranges a generator-condenser vertical separation board (23) inside the two-stage generator (8) and the condenser(12), separating the two-stage generator(8) and the condenser(12) into two section or multiple section structures, the lower part of the two-stage generator-condenser, the bottom part of the lower pressure stage 2 generator and the top part of the higher pressure two-stage generator are connected by the generator high-low pressure liquid pipe(27), the pipe (27) has liquid lift pipe (26). The utility model reduces the height of the unit so the unit is compact and integral.

Description

The hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units of band solution elevating pump
Technical field:
The utility model relates to a kind of hot water type lithium bromide absorption cooling water unit, especially relates to a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump.Belong to technical field of refrigeration equipment.
Background technology:
Hot-water two-stage type lithium bromide absorption cold water unit (being called hot-water two-stage generation two-stage absorption-type lithium bromide absorption cold water unit again) can utilize temperature to produce idle call cold water less than 90 ℃ hot water as driving heat source owing to adopt two-stage generation two-stage to absorb workflow.With doing countries in the world to energy-conservation and pay attention to day by day environmental requirement, this class unit will more and more be used having the low-grade hot water (temperature 〉=65 ℃) and the place of air-conditioning demand.Our company applies for a patent a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units (as shown in Figure 1) of requirement separately owing to can effectively utilize the lower hot water of temperature (as the hot water of 70 ℃/55 ℃ of import/export temperature) to freeze; and each parts heat exchange area of unit is littler than the heat exchange area of conventional hot-water two-stage type unit; material cost is lower, will be in UTILIZATION OF VESIDUAL HEAT IN, save energy and reduce the cost, protect environment, realize recycling economy and build a conservation-minded society aspect play a significant role.But in unit shown in Figure 1, as the segmentation dividing plate number that is provided with in second-stage generator, the condenser (as more than or equal to three the time) more for a long time, second-stage generator, condenser can become very tall and thin, make the unit overall structure inharmonious, and height dimension is excessive.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and can effectively reduce the unit height, makes the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units of the band solution elevating pump of the coordination of unit overall structure, compactness.
The segmentation dividing plate number that is provided with in second-stage generator, condenser makes the unit overall structure coordinate the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units that height dimension is not excessive more for a long time.
The purpose of this utility model is achieved in that
In the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units of forming by other parts (comprising hot water flow process unit in parallel and hot water serial flow unit), by array apparatus down is set in second-stage generator and condenser, the unit height be can effectively reduce, the coordination of unit overall structure, compactness made.
Utility model one: the vertical section dividing plate is set in second-stage generator and condenser, multisection type second-stage generator and condenser broad ways are carried out segmentation, reduce second-stage generator and condenser height dimension, thereby reduce the unit height, make the coordination of unit overall structure, compactness.
Utility model two: in the second-stage generator of segments more (generally more than or equal to three sections) and condenser, vertical section dividing plate and transversal sectional dividing plate are set simultaneously, multisection type second-stage generator and condenser broad ways and short transverse are carried out segmentation, reduce second-stage generator and condenser height dimension, simultaneously also make the width dimensions of second-stage generator and condenser unlikely excessive, make the coordination of unit overall structure, compactness.
Description of drawings:
Fig. 1 is another kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units schematic diagram.
Fig. 2 is the utility model embodiment 1 schematic diagram.
Fig. 3 is the utility model embodiment 2 schematic diagrames.
Fig. 4 is the utility model embodiment 3 schematic diagrames.
Fig. 5 is the utility model embodiment 4 schematic diagrames.
Among the figure: secondary generating pump 1, absorption pump 2, first heat exchanger 3, first-stage generator 4, one-level absorber 5, thermal insulation layer 6, second heat exchanger 7, second-stage generator 8, generation-condenser transversal sectional dividing plate 9, generator cloth liquid bath 10, generation-condenser low pressure stage 11, condenser 12, generation-high condenser pressure section 13, evaporation-absorber low pressure stage 14, evaporimeter cloth tank 15, secondary absorber 16, evaporation-absorber segmentation dividing plate 17, absorber cloth liquid bath 18, evaporation-absorber high pressure section 19, evaporimeter 20, cryogenic fluid pump 21, one-level generating pump 22, generation-condenser vertical section dividing plate 23, evaporation-absorber sub-high pressure section 24, evaporation-absorber time low pressure stage 25, solution elevating pump 26, generator high-low pressure section solution communicating pipe 27.
The specific embodiment:
Utility model one is unit as shown in Figure 2, this unit is by secondary generating pump 1 (also can be described as the secondary solution pump), absorption pump 2, first heat exchanger 3, first-stage generator 4, one-level absorber 5, second heat exchanger 7, second-stage generator 8, condenser 12, evaporimeter 20, secondary absorber 16, cryogenic fluid pump 21, one-level generating pump 22 (also can be described as the one-level solution pump), solution elevating pump 26, control system (not shown) and connect the pipeline of each parts, the hot-water two-stage two segment type lithium bromide absorption cold water units that valve constituted, the second-stage generator 8 of unit and condenser 12 are arranged in the cylindrical shell (upper shell), first-stage generator 4, one-level absorber 5, evaporimeter 20 and secondary absorber 16 are arranged in another cylindrical shell (lower shell).Between first-stage generator 4, one-level absorber 5 and evaporimeter 20, secondary absorber 16, be provided with thermal insulation layer 6, separate also heat insulation with other chambers first-stage generator 4, one-level absorber chamber; In evaporimeter 20, secondary absorber 16, be provided with evaporation-absorber segmentation dividing plate 17, evaporimeter 20, secondary absorber 16 are separated into the two-period form structure, evaporation-absorber segmentation dividing plate 17 tops are evaporation-absorber low pressure stage 14, and the bottom is an evaporation-absorber
High pressure section 19, evaporation-absorber segmentation dividing plate 17 is provided with evaporimeter cloth tank 15 and absorber cloth liquid bath 8 and (evaporimeter cloth tank and absorber cloth liquid bath and segmentation dividing plate is set as one, compact conformation is simple), evaporimeter cloth tank 15 bottoms are provided with water distributing pore, and absorber cloth liquid bath 18 bottoms are provided with liquid distributing hole.In second-stage generator 8, condenser 12, be provided with generation-condenser vertical section dividing plate 23, second-stage generator 8, condenser 12 broad ways are separated into the two-period form structure, generation-condenser vertical section dividing plate 23 left sides are generation-condenser low pressure stage 11, the right side is a generation-high condenser pressure section 13, two-period form second-stage generator 8 is provided with (being arranged on the cylindrical shell middle part) near generation-condenser vertical section dividing plate 23 both sides, and two-period form condenser 12 is arranged on the outside (being arranged on the cylindrical shell both sides) of corresponding section second-stage generator; Be provided with generator high-low pressure section solution communicating pipe 27 between second-stage generator 8 tops of second-stage generator 8 bottoms of generation-condenser low pressure stage 11 and generation-high condenser pressure section 13, pipe is provided with solution elevating pump 26.During unit operation, be introduced in generations-condenser low pressure stage 11 condenser heat exchanger tubes with series system from the cooling water outside, that temperature is lower, enter continuation heat exchange intensification in generations-high condenser pressure section 13 condenser heat exchanger tubes again after heating up with the outer refrigerant vapour heat exchange of heat exchanger tube.Hot water is introduced in generation-high condenser pressure section 13 second-stage generator heat exchanger tubes with series system, enters after the outer lithium-bromide solution cooling of heating tube again and continues the heat exchange cooling in generation-condenser low pressure stage 11 second-stage generator heat exchanger tubes.Send into the weak solution of the second-stage generator heat-exchanging tube bundle top spray of generation-condenser low pressure stage 11 by secondary generating pump 1, after hot water heating generation refrigerant vapour, temperature and concentration raise in the pipe, be pooled to the generation-condenser low pressure stage 11 cylindrical shells bottom that is in low level, by solution elevating pump 26 through sending into generation-high condenser pressure section 13 top sprays generator high-low pressure section solution communicating pipe 27, the hot water heating produces refrigerant vapour in continuing by heat exchanger tube in generation-high condenser pressure section 13 second-stage generators, and temperature and concentration further raise.
The two-period form condenser 12 of two-period form second-stage generator, condenser also can be provided with (being arranged on the cylindrical shell middle part) near generation-condenser vertical section dividing plate 23 both sides, two-period form second-stage generator 8 is arranged on the outside (being arranged on the cylindrical shell both sides) of corresponding section condenser, as shown in Figure 3.
In the second-stage generator of unit shown in Figure 2, condenser, two generation-condenser vertical section dividing plates 23 are set, second-stage generator 8, condenser 12 promptly become the three stage structure (figure slightly) of broad ways segmentation, by that analogy, generation-condenser vertical section dividing plate 23 is provided with many more, and number of fragments is also many more.Vertical section quantity is many more, and the height dimension of unit is more little.The number of fragments of second-stage generator, condenser generally is no more than the cooling water main-process stream number of condenser.
Be divided in second-stage generator more than three sections, the condenser in broad ways, the segmentation condenser should be near the setting of corresponding section second-stage generator.
Evaporation-absorber segmentation dividing plate 17 in cancellation Fig. 2, unit evaporimeter 20 shown in Figure 3, the secondary absorber 16, unit promptly become the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units (figure slightly) that only is provided with generation-condenser segmentation dividing plate 23.
Utility model two is unit as shown in Figure 4, and this unit is by secondary generating pump 1 (also can be described as the secondary solution pump), absorption pump 2, first heat exchanger 3, first-stage generator 4, one-level absorber 5, second heat exchanger 7, second-stage generator 8, condenser 12, evaporimeter 20, secondary absorber 16, cryogenic fluid pump 21, one-level generating pump 22 (also can be described as the one-level solution pump), solution elevating pump 26, control system (not shown) and connects the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units that pipeline, valve constituted of each parts.Be provided with generation-condenser vertical section dividing plate 23 and generation-condenser transversal sectional dividing plate 9 in the second-stage generator 8 of unit, the condenser 12, with second-stage generator 8, condenser 12 along width and short transverse be separated into from low to high low pressure stage 11 of pressure, inferior low pressure stage 25,
Sub-high pressure section 24 and high pressure section 13 four-part form structures.Generation-condenser transversal sectional dividing plate 9 is provided with generator cloth liquid bath 10, and generator cloth liquid bath 10 bottoms are provided with liquid distributing hole.Be provided with generator high-low pressure section solution communicating pipe 27 bottom the second-stage generator of generation-condenser time low pressure stage 25 and between the second-stage generator top of generation-condenser sub-high pressure section 24, generator high-low pressure section solution communicating pipe 27 is provided with solution elevating pump 26.During unit operation, be introduced in generation-condenser low pressure stage 11 condenser heat exchanger tubes with series system from the cooling water outside, that temperature is lower, enter again after heating up with the outer refrigerant vapour heat exchange of heat exchanger tube and continue heat exchange in higher next section generation-condenser heat exchanger tube of pressure and heat up, in generation-high condenser pressure section 13 condenser heat exchanger tubes, go out at last.Hot water is introduced in generation-high condenser pressure section 13 second-stage generator heat exchanger tubes with series system, enter again after the outer lithium-bromide solution cooling of heating tube and continue the heat exchange cooling in lower next section generation-condenser heat exchanger tube of pressure, in generation-condenser low pressure stage 11 generator heat exchanger tubes, go out at last.That is: hot water and cooling water are with the reverse turnover multisection type of series system second-stage generator, condenser, and hot water advances from high pressure section, goes out from low pressure stage, and cooling water advances from low pressure stage, goes out from high pressure section.Send into the weak solution of the second-stage generator heat-exchanging tube bundle top spray of generation-condenser low pressure stage 11 by secondary generating pump 1, produced refrigerant vapour by hot water heating in the pipe, after raising, temperature and concentration is pooled in the generator cloth liquid bath 10 on horizontal generation-condenser transversal sectional dividing plate 9, liquid distributing hole through generator cloth liquid bath 10 bottoms under the liquid level hydrostatic pressure enters generation-condenser time low pressure stage 24, the hot water heating produces refrigerant vapour in continuing by heat exchanger tube in inferior low pressure stage second-stage generator, be pooled to the generation-condenser time low pressure stage cylindrical shell bottom that is in low level after temperature and concentration further raise, by solution elevating pump 1 through sending into generation-condenser sub-high pressure section 24 top sprays generator high-low pressure section solution communicating pipe 27.
The generation that is provided with in second-stage generator, the condenser-condenser transversal sectional dividing plate 9 and generation-condenser transversal sectional dividing plate 9 are many more, and segments is many more, but segments generally is no more than the cooling water main-process stream number of condenser.
Cancel the evaporation-absorber segmentation dividing plate 17 in unit evaporimeter 20 shown in Figure 4, the secondary absorber 16, unit promptly becomes the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units (figure slightly) that only is provided with generation-condenser segmentation dividing plate 9.
In the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units, hot water is flow process in parallel (hot water turnover in parallel first-stage generator and second-stage generator), as as Fig. 2, Fig. 3 and shown in Figure 4, also serial flow (hot water series connection turnover first-stage generator and second-stage generator), as shown in Figure 5.
In the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units that is provided with evaporation-absorber segmentation dividing plate, the cooling water flow path of multisection type secondary absorber is flow process in parallel (as Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5), also serial flow (figure slightly).

Claims (10)

1, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump, comprise: first heat exchanger (3), second heat exchanger (7), first-stage generator (4), one-level absorber (5), second-stage generator (8), condenser (12), evaporimeter (20), secondary absorber (16), solution pump, cryogenic fluid pump and connect the pipeline of each parts, valve, second-stage generator of unit (8) and condenser (12) are arranged in the cylindrical shell, first-stage generator (4), one-level absorber (5), evaporimeter (20) and secondary absorber (16) are arranged in another cylindrical shell, it is characterized in that: unit in second-stage generator (8), be provided with generation-condenser vertical section dividing plate (23) in the condenser (12), with second-stage generator (8), condenser (12) broad ways is separated into two sections or multi-segment structure; Be in second-stage generator-condenser, pressure and be provided with generator high-low pressure section solution communicating pipe (27) between the second-stage generator top higher a section, low one section second-stage generator bottom, manage (27) and be provided with solution elevating pump (26) with being in second-stage generator-condenser top, pressure.
2, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units according to claim 1 with the solution elevating pump, it is characterized in that: in the second-stage generator (8) of unit, condenser (12), be provided with a condenser transversal sectional dividing plate (9) takes place, second-stage generator (8), condenser (12) are separated into two sections or multi-segment structure along width and short transverse.
3, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units according to claim 2 with the solution elevating pump, it is characterized in that: described generation-condenser transversal sectional dividing plate (9) is provided with generator cloth liquid bath (10), and generator cloth liquid bath (10) bottom is provided with liquid distributing hole.
4, according to claim 1 or 2,3 described a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump, it is characterized in that: in evaporimeter (20), secondary absorber (16), be provided with evaporation-absorber segmentation dividing plate (17), evaporimeter (20), secondary absorber (16) are separated into two sections or multi-segment structure.
5, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units according to claim 4 with the solution elevating pump, it is characterized in that: evaporation-absorber segmentation dividing plate (17) is provided with evaporimeter cloth tank (15) and absorber cloth liquid bath (18), evaporimeter cloth tank (15) bottom is provided with water distributing pore, and absorber cloth liquid bath (18) bottom is provided with liquid distributing hole.
6, according to claim 1 or 2,3 described a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump, it is characterized in that: described two-period form second-stage generator (8) is provided with near generation-condenser vertical section dividing plate (23) both sides, and two-period form condenser (12) is arranged on the outside of corresponding section second-stage generator.
7, according to claim 1 or 2,3 described a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump, it is characterized in that: described two-period form condenser (12) is provided with near generation-condenser vertical section dividing plate (23) both sides, and two-period form second-stage generator (8) is arranged on the outside of corresponding section condenser.
8, according to claim 1 or 2,3 described a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units with the solution elevating pump, it is characterized in that: the hot water of described unit is flow process in parallel or serial flow.
9, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units according to claim 4 with the solution elevating pump, it is characterized in that: in the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units that is provided with evaporation-absorber segmentation dividing plate (17), the cooling water flow path of multisection type secondary absorber is flow process in parallel or serial flow.
10, a kind of hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units according to claim 5 with the solution elevating pump, it is characterized in that: in the hot-water two-stage multi-section lithium bromide absorption handpiece Water Chilling Units that is provided with evaporation-absorber segmentation dividing plate (17), the cooling water flow path of multisection type secondary absorber is flow process in parallel or serial flow.
CNU2006200721538U 2006-04-05 2006-04-05 Hot-water two-stage multistage type lithium bromide absorption type water chilling unit having solution elevator pump Expired - Fee Related CN2919140Y (en)

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CNU2006200721538U CN2919140Y (en) 2006-04-05 2006-04-05 Hot-water two-stage multistage type lithium bromide absorption type water chilling unit having solution elevator pump

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914079A (en) * 2012-10-27 2013-02-06 双良节能系统股份有限公司 Two-stage type hot water direct-fired single-double effect composite lithium bromide absorption refrigeration unit
CN107576092A (en) * 2017-09-26 2018-01-12 双良节能系统股份有限公司 Two sections of condensing hot water compound type lithium bromide absorption type handpiece Water Chilling Units
CN108534570A (en) * 2018-05-28 2018-09-14 同方节能工程技术有限公司 A kind of absorption big temperature difference heat-exchange unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914079A (en) * 2012-10-27 2013-02-06 双良节能系统股份有限公司 Two-stage type hot water direct-fired single-double effect composite lithium bromide absorption refrigeration unit
CN107576092A (en) * 2017-09-26 2018-01-12 双良节能系统股份有限公司 Two sections of condensing hot water compound type lithium bromide absorption type handpiece Water Chilling Units
CN108534570A (en) * 2018-05-28 2018-09-14 同方节能工程技术有限公司 A kind of absorption big temperature difference heat-exchange unit
CN108534570B (en) * 2018-05-28 2024-04-09 同方节能工程技术有限公司 Absorption type large-temperature-difference heat exchanger unit

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Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD.

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Effective date: 20100913

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Address after: 214444 Li Gang Town, Jiangsu City, Jiangyin Province

Patentee after: Shuangliang Energy Saving System Co., Ltd.

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Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu

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Granted publication date: 20070704

Termination date: 20140405