CN202915599U - Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit - Google Patents

Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit Download PDF

Info

Publication number
CN202915599U
CN202915599U CN2012205548945U CN201220554894U CN202915599U CN 202915599 U CN202915599 U CN 202915599U CN 2012205548945 U CN2012205548945 U CN 2012205548945U CN 201220554894 U CN201220554894 U CN 201220554894U CN 202915599 U CN202915599 U CN 202915599U
Authority
CN
China
Prior art keywords
absorber
action
condenser
double
hot water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012205548945U
Other languages
Chinese (zh)
Inventor
张长江
谢兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuangliang Eco Energy Systems Co Ltd
Original Assignee
Shuangliang Eco Energy Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shuangliang Eco Energy Systems Co Ltd filed Critical Shuangliang Eco Energy Systems Co Ltd
Priority to CN2012205548945U priority Critical patent/CN202915599U/en
Application granted granted Critical
Publication of CN202915599U publication Critical patent/CN202915599U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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

  • Sorption Type Refrigeration Machines (AREA)

Abstract

The utility model relates to a two-stage type hot water direct-fired single-double effect composite lithium bromide absorption refrigeration unit. The absorption refrigeration unit comprises a direct-fired high pressure generator (7), an evaporator, an absorber, a steam generator (13), a hot water generator (15), condensers, a solution heat exchanger, a solution pump and a refrigerant pump. The absorption refrigeration unit is characterized in that the condensers comprise a single effect condenser (16) and a double effect condenser (12). A heat exchange tube bundle of the hot water generator (15) and a heat exchange tube bundle of the single effect condenser (16) are arranged in a cavity. A heat exchange tube bundle of the steam generator (13) and a heat exchange tube bundle of the double effect condenser (12) are arranged in another cavity. Cooling water flow paths of the single effect condenser (16) and the double effect condenser (12) adopt series connection flow paths, and cooling water gets into the single effect condenser (16) and gets out of the double effect condenser (12). According to two-stage type hot water direct-fired single-double effect composite lithium bromide absorption refrigeration unit, the generation pressure of the hot water generator can be reduced, and the concentration of a dilute solution for hot water single effect circulation can be reduced.

Description

Two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit
Technical field
The utility model relates to a kind of lithium-bromide absorption-type refrigerating machine group.Belong to air conditioner technical field.
Background technology
Hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit in the past as shown in Figure 1, this unit is made of pipeline, the valve of Direct Fired High Pressure Generator 7, evaporimeter 47, absorber 37, hot water generator 15, steam generator 13, condenser 46, high-temperature heat exchanger 6, low temperature heat exchanger 5, single-action heat exchanger 19, economic benefits and social benefits solution pump 26, single-action solution pump 27, cryogenic fluid pump 25, control system (not shown) and connecting components.Wherein, it is in the cylindrical shell 11 that the heat-exchanging tube bundle of hot water generator, steam generator and condenser three parts is arranged on same chamber, consists of the compound low condenser that feels cold; The solution circulation workflow of unit by one independently hot water single-action kind of refrigeration cycle workflow and one independently direct combustion dual-effect refrigeration periodic duty flow process form single-action kind of refrigeration cycle and the same evaporimeter of dual-effect refrigeration cycle sharing, same absorber and same condenser.This unit is mainly used in solar air-conditioner system, distributed energy resource system, waste heat water-heating cooling (heat supply) etc. and has simultaneously hot water, fuel and cold (heat) demand, but hot water flow, the place that heat is unstable or water-heating cooling (heat supply) amount can not satisfy cooling (heat) demand, the heat drive refrigerating operaton that can utilize at the same time or separately hot water heat and direct combustion fuel to produce, the heat drive heat supply running that utilizes direct combustion fuel to produce.But because the hot water generator of this unit, the heat-exchanging tube bundle of steam generator and condenser three parts is arranged in the same chamber, the generation pressure of hot water generator higher (identical with the generation pressure of steam generator), and because single-action kind of refrigeration cycle and the same absorber of dual-effect refrigeration cycle sharing, the weak solution concentration of hot water single-action circulation higher (identical with the weak solution concentration of flue gas economic benefits and social benefits circulation), so that the occurrence temperature of hot water generator is higher, during refrigerating operaton, the hot water outlet temperature can only be reduced to about 85 ℃ under conventional cooling water inlet temperature (about such as 32 ℃) and cold water outlet temperature (about such as 7 ℃) condition.But the supply water temperature of most thermal source hot water (spent hot water who produces such as solar water, underground heat hot water, engine cooling water, various production technology link etc.) all lower (about 85 ℃ ~ 95 ℃), only have hot water backwater's temperature is dropped to lower (as being lower than 80 ℃), could fully recycle afterheat of hot water refrigeration (heat supply), the purpose of reach energy-saving and cost-reducing, increasing economic efficiency, and satisfy simultaneously the places such as generating, technique cooling to the requirement of cooling water return water temperature.Apolegamy hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration machine in the past is difficult to reach these purposes, match simultaneously direct combustion dual effect type cold/hot water machine of lithium bromide group and hot water single-effect type lithium bromide adsorption water chilling unit equipment configuration categories, number of units are increased, thereby increase occupation area of equipment and investment cost.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of generation pressure that reduces hot water generator is provided, reduces the two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit of the weak solution concentration of hot water single-action circulation.
The purpose of this utility model is achieved in that a kind of two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, comprise Direct Fired High Pressure Generator, evaporimeter, absorber, steam generator, hot water generator, condenser, solution heat exchanger, solution pump and cryogenic fluid pump, described condenser comprises single-action condenser and purpose double-action condenser, the heat-exchanging tube bundle of the heat-exchanging tube bundle of hot water generator and single-action condenser is arranged in the chamber, the heat-exchanging tube bundle of steam generator and the heat-exchanging tube bundle of purpose double-action condenser are arranged in another chamber, the cooling water flow path of single-action condenser and purpose double-action condenser adopts serial flow, cooling water advances from the single-action condenser, goes out from purpose double-action condenser.
The utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, described evaporimeter comprises single effect evaporator and double effect evaporator, absorber comprises single-action absorber and economic benefits and social benefits absorber; Single effect evaporator and single-action absorber are arranged in the chamber, and double effect evaporator and economic benefits and social benefits absorber are arranged in another chamber; The cold water flow process of single effect evaporator and double effect evaporator adopts serial flow, and cold water advances from single effect evaporator, goes out from double effect evaporator.
The utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, the heat-exchanging tube bundle of described steam generator, purpose double-action condenser, hot water generator and single-action condenser four parts are arranged in the same low condenser cylindrical shell that feels cold.
The utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, the heat-exchanging tube bundle of described double effect evaporator, economic benefits and social benefits absorber, single effect evaporator and single-action absorber four parts is arranged in the same evaporation absorber cylindrical shell.
The utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, be provided with the concentrated solution cross over pipe with the concentrated solution stop valve between economic benefits and social benefits absorber feed tube and the single-action absorber feed tube, between economic benefits and social benefits absorber liquid capsule and single-action absorber liquid capsule, be provided with the weak solution cross over pipe with the weak solution stop valve.
The beneficial effects of the utility model are:
The utility model is on hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration machine basis in the past, by in the low condenser cylindrical shell that feels cold, the segmentation dividing plate being set, make the low condenser that feels cold become the two-period form structure to reduce the generation pressure of hot water generator, by the segmentation dividing plate is set in the evaporation absorber cylindrical shell, make evaporation absorber become the two-period form structure to reduce the weak solution concentration of hot water single-action circulation, the occurrence temperature of hot water generator is minimized, thereby make unit energy take full advantage of low-grade heat hydro-thermal amount refrigeration, the hot water outlet temperature is dropped to lower (minimum being down to about 70 ℃), realize UTILIZATION OF VESIDUAL HEAT IN, improve the comprehensive utilization of energy rate, economic benefit is provided.
Description of drawings
Fig. 1 is hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit schematic diagram in the past.
Fig. 2 is the utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit embodiment 1 schematic diagram.
Fig. 3 is the utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit embodiment 2 schematic diagrames.
Fig. 4 is the utility model two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit embodiment 3 schematic diagrames.
Reference numeral among the figure:
Evaporation absorber cylindrical shell 1, evaporation absorber segmentation dividing plate 2, double effect evaporator 3, economic benefits and social benefits absorber 4, low temperature heat exchanger 5, high-temperature heat exchanger 6, Direct Fired High Pressure Generator 7, solution transfer valve 8, smoke exhaust pipe 9, steam transfer valve 10, the low condenser cylindrical shell 11 that feels cold, purpose double-action condenser 12, steam generator 13, the low condenser segmentation dividing plate 14 that feels cold, hot water generator 15, single-action condenser 16, the hot water inlet pipe 17, the hot water outlet pipe 18, single-action heat exchanger 19, cooling water outlet pipe 20, cold (heat) water outlet pipe 21, single effect evaporator 22, cold (heat) water inlet pipe 23, single-action absorber 24, cryogenic fluid pump 25, economic benefits and social benefits solution pump 26, single-action solution pump 27, cooling water inlet pipe 28, refrigerant vapour pipe 29, drain pipe 30 occurred frequently, economic benefits and social benefits absorber feed tube 31, concentrated solution cross over pipe 32, concentrated solution stop valve 33, single-action absorber feed tube 34, weak solution cross over pipe 35, weak solution stop valve 36, absorber 37, absorber feed tube 38, hot water generator feed tube 39, hot water generator drain pipe 40, steam generator drain pipe 41, steam generator feed tube 42, demarcation strip 43, hot water heat-exchanging tube bundle 44, steam heat-exchanging tube bank 45, condenser 46, evaporimeter 47, burner 48.
The specific embodiment
The utility model is unit as shown in Figure 2, and this unit is by the pipeline of Direct Fired High Pressure Generator 7, double effect evaporator 3, economic benefits and social benefits absorber 4, economic benefits and social benefits solution pump 26, high-temperature heat exchanger 6, low temperature heat exchanger 5, steam generator 13, purpose double-action condenser 12, single effect evaporator 22, single-action absorber 24, single-action solution pump 27, single-action heat exchanger 19, hot water generator 15, single-action condenser 16, cryogenic fluid pump 25, control system (not shown) and connecting components, two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type hot and cold water unit that valve consists of.Wherein, single-action condenser 16 and purpose double-action condenser 12 general designation condensers.Single effect evaporator 22 and double effect evaporator 3 general designation evaporimeters.Single-action solution pump 27 and economic benefits and social benefits solution pump 26 general designation solution pumps.High-temperature heat exchanger 6, low temperature heat exchanger 5 and single-action heat exchanger 19 general designation heat exchangers.Wherein, steam generator 13, purpose double-action condenser 12, the heat-exchanging tube bundle of hot water generator 15 and single-action condenser 16 4 parts is arranged in the same low condenser cylindrical shell 11 that feels cold, be provided with the low condenser segmentation dividing plate 14 that feels cold in the middle of the low condenser cylindrical shell 11 that feels cold, the heat-exchanging tube bundle of steam generator and purpose double-action condenser and the heat-exchanging tube bundle of hot water generator and single-action section condenser are separated in two chambers, make the low condenser that feels cold become two-period form structure (steam generator and hot water generator are low pressure generator), the cooling water of single-action condenser 16 and purpose double-action condenser 12 is serial flow (being the two-period form condensation), cooling water advances from single-action condenser 16, goes out from purpose double-action condenser 12; The heat-exchanging tube bundle of double effect evaporator 3, economic benefits and social benefits absorber 4, single effect evaporator 22 and single-action absorber 24 4 parts is arranged in the same evaporation absorber cylindrical shell 1, the centre is provided with evaporation absorber segmentation dividing plate 2, the heat-exchanging tube bundle of double effect evaporator and economic benefits and social benefits absorber and single effect evaporator and single-action absorber is separated in two chambers, make evaporation absorber become the two-period form structure, the cold water of single effect evaporator 22 and double effect evaporator 3 is serial flow (being the two-period form sweat cooling), cold water advances from single effect evaporator 22, goes out from double effect evaporator 3; Be provided with concentrated solution cross over pipe 32 between economic benefits and social benefits absorber feed tube 31 and single-action absorber feed tube 34, concentrated solution cross over pipe 32 is provided with concentrated solution stop valve 33; Be provided with weak solution cross over pipe 35 between economic benefits and social benefits absorber liquid capsule and single-action absorber liquid capsule, weak solution cross over pipe 35 is provided with weak solution stop valve 36; Pipeline between drain pipe 30 occurred frequently and economic benefits and social benefits absorber 4 is equipped with solution transfer valve 8; Pipeline between refrigerant vapour pipe 29 and double effect evaporator 3 is equipped with steam transfer valve 10.
When unit utilized the heat refrigerating operaton of hot water and combustion fuel generation simultaneously, solution transfer valve, steam transfer valve, concentrated solution stop valve and weak solution stop valve were closed, and unit is pressed single-double effect compound type kind of refrigeration cycle process flow operation.Single-action solution circulation flow process is: single-action absorber → single-action solution pump → single-action heat exchanger → hot water generator → single-action heat exchanger → single-action absorber; Economic benefits and social benefits solution circulation flow process is: economic benefits and social benefits absorber → economic benefits and social benefits solution pump → low temperature heat exchanger → high-temperature heat exchanger → Direct Fired High Pressure Generator → high-temperature heat exchanger → steam generator → low temperature heat exchanger → economic benefits and social benefits absorber.Direct Fired High Pressure Generator is joined the interior lithium-bromide solution of heat heating Direct Fired High Pressure Generator that burner combustion fuel provides, and the flue-gas temperature that combustion fuel produces goes out unit (entering atmosphere through external chimney) from smoke exhaust pipe 9 after reducing.Hot water from external device (ED) (or system) enters hot water generator heating lithium-bromide solution from hot water inlet pipe 17, and the temperature reduction goes out unit by hot water outlet pipe 18, returning to external device (or system).The cooling moisture three tunnel that enters unit from cooling water inlet pipe 28 enters single-action absorber 24, economic benefits and social benefits absorber 4 and the condenser of unit, and absorption process and the condensation process of unit cooled, and temperature raises and goes out unit by cooling water outlet pipe 20; Wherein, the cooling water of turnover condenser is introduced in single-action condenser 16 heat exchanger tubes, the outer refrigerant vapour of cooling single-action condenser heat-exchange pipes heats up, enter again in purpose double-action condenser 12 heat exchanger tubes, the outer refrigerant vapour of cooling purpose double-action condenser heat exchanger tube further heats up, single, double effect condenser is formed the two-period form condensation, make the condensation temperature of single-action condenser, condensation temperature, the condensing pressure that condensing pressure is lower than purpose double-action condenser, thereby make the operating pressure of hot water generator-single-action condenser, chamber be lower than the operating pressure of steam generator-purpose double-action condenser chamber.The cold water that enters unit from cold (heat) water inlet pipe 23 is introduced in single effect evaporator 22 heat exchanger tubes, by the outer water as refrigerant evaporation endothermic cooling (being sweat cooling) of single effect evaporator pipe, enter again in double effect evaporator 3 heat exchanger tubes, gone out unit by the further cooling of the outer water as refrigerant evaporation endothermic of double-effect evaporation organ pipe by cold (heat) water outlet pipe 21, make the sweat cooling process become the two-period form process, the cold water out temperature of single effect evaporator, evaporating temperature and evaporating pressure all are higher than the cold water out temperature of double effect evaporator, evaporating temperature and evaporating pressure, thereby the operating pressure that makes single effect evaporator-single-action absorber chamber is higher than the operating pressure of double effect evaporator-economic benefits and social benefits absorber chamber, the weak solution concentration of single-action absorber is minimized (being lower than the weak solution concentration of economic benefits and social benefits absorber).Reduce the occurrence temperature that the weak solution concentration that enters hot water generator and the operating pressure that reduces hot water generator all can reduce hot water generator, thereby make unit energy take full advantage of the lower low-grade heat water-driven refrigerating operaton of temperature, realize UTILIZATION OF VESIDUAL HEAT IN, improve the comprehensive utilization of energy rate, economic benefit is provided.
When unit utilized separately the water-heating cooling operation, solution transfer valve, steam transfer valve, concentrated solution stop valve and weak solution stop valve were closed, and unit is by single-action kind of refrigeration cycle process flow operation.The stall of economic benefits and social benefits solution pump, the dual-effect refrigeration circulatory system and parts thereof are not worked, and double effect evaporator, economic benefits and social benefits absorber and purpose double-action condenser are only respectively as cold water, cooling water flow circulation passage.
During the independent combustion fuel refrigerating operaton of unit, solution transfer valve and steam transfer valve are closed, and concentrated solution stop valve and weak solution stop valve are opened, and unit is pressed the operation of direct combustion dual-effect refrigeration circulation process.The stall of single-action solution pump, hot water generator and single-action condenser are not worked, and the single-action condenser is only as the cooling water flow circulation passage.Go out concentrated solution minute two-way after low temperature heat exchanger heat exchange cooling of steam generator, one the tunnel advances the economic benefits and social benefits absorber, another road enters the single-action absorber through concentrated solution cross over pipe 32, single effect evaporator, single-action absorber and double effect evaporator, economic benefits and social benefits absorber are worked together, the heat exchange area of single effect evaporator, single-action absorber is also utilized when the dual-effect refrigeration periodic duty, thus the refrigerating capacity when making the refrigerating capacity of unit when the dual-effect refrigeration periodic duty also can reach the work of single-double effect compound type kind of refrigeration cycle.This set has the two-period form direct-fired single-double effect compound type lithium bromide absorption type hot and cold water unit of concentrated solution cross over pipe and weak solution cross over pipe, be mainly used in satisfying the thermal source hot water temperature lower, and require the refrigerating capacity of unit when not having hot water, independent combustion fuel operation also need reach the application requirements of specified refrigerating capacity, and do not need to strengthen according to specified refrigerating capacity the heat exchange area of double effect evaporator and economic benefits and social benefits absorber.
During unit combustion fuel heat supply running, solution transfer valve and steam transfer valve are opened, concentrated solution stop valve and weak solution stop valve are closed, (external heat source hot water is directly sent into the heating system heat supply without the hot water circulation in the hot water generator heat exchanger tube, or provide heat supply hot water after sending into the heat exchanger heat exchange), cryogenic fluid pump and the stall of single-action solution pump.The solution circulation flow process is: economic benefits and social benefits absorber → economic benefits and social benefits solution pump → low temperature heat exchanger → high-temperature heat exchanger → Direct Fired High Pressure Generator → economic benefits and social benefits absorber, high and low temperature heat exchanger are only as the weak solution circulation passage.Direct Fired High Pressure Generator is joined the interior lithium-bromide solution of heat heating Direct Fired High Pressure Generator that burner combustion fuel provides, and the flue-gas temperature that combustion fuel produces goes out unit (entering atmosphere through external chimney) from smoke exhaust pipe 9 after reducing.The heat supply hot water of turnover evaporimeter only in the double effect evaporator heat exchanger tube by heat exchanger tube outside from the high temperature refrigerant vapour heat temperature raising of Direct Fired High Pressure Generator, single effect evaporator is only as the flow of hot water circulation passage.
Cancel the evaporation absorber segmentation dividing plate in the unit evaporation absorber cylindrical shell shown in Figure 2, and single effect evaporator and double effect evaporator be merged into an evaporimeter, single-action absorber and economic benefits and social benefits absorber are merged into an absorber, economic benefits and social benefits absorber feed tube 31 and single-action absorber feed tube 34 are merged into absorber feed tube 38, go to disappear weak solution communicating pipe, unit namely becomes the two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type hot and cold water unit (as shown in Figure 3) that the low condenser that feels cold adopts the two-period form structure.Thermal source hot water backwater temperature is suitable for adopting the unit of this structure in the time of only need being reduced to 80 ℃ of left and right sides, set structure is oversimplified relatively.
When evaporation absorber adopted the two-period form structure, the cooling water flow path of single-action absorber and economic benefits and social benefits absorber can adopt parallel-connection flow (as shown in Figure 2), also can adopt serial flow (as shown in Figure 4).When the absorber cooling water adopted serial flow, cooling water advanced from the single-action absorber, goes out from the economic benefits and social benefits absorber.Absorber cooling water serial flow unit more is applicable to the lower unit of thermal source hot water backwater temperature.
Solution transfer valve, steam transfer valve and tube connector thereof in cancellation Fig. 2～unit shown in Figure 4, unit namely becomes the two-period form fume hot-water afterburning list dual effect type compound type lithium bromide absorption type handpiece Water Chilling Units for separate refrigeration.

Claims (5)

1. two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, comprise Direct Fired High Pressure Generator (7), evaporimeter, absorber, steam generator (13), hot water generator (15), condenser, solution heat exchanger, solution pump and cryogenic fluid pump, it is characterized in that: described condenser comprises single-action condenser (16) and purpose double-action condenser (12), the heat-exchanging tube bundle of the heat-exchanging tube bundle of hot water generator (15) and single-action condenser (16) is arranged in the chamber, the heat-exchanging tube bundle of the heat-exchanging tube bundle of steam generator (13) and purpose double-action condenser (12) is arranged in another chamber, the cooling water flow path of single-action condenser (16) and purpose double-action condenser (12) adopts serial flow, cooling water advances from single-action condenser (16), goes out from purpose double-action condenser (12).
2. a kind of two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1, it is characterized in that: described evaporimeter comprises single effect evaporator (22) and double effect evaporator (3), and absorber comprises single-action absorber (24) and economic benefits and social benefits absorber (4); Single effect evaporator (22) and single-action absorber (24) are arranged in the chamber, and double effect evaporator (3) and economic benefits and social benefits absorber (4) are arranged in another chamber; The cold water flow process of single effect evaporator (22) and double effect evaporator (3) adopts serial flow, and cold water advances from single effect evaporator (22), goes out from double effect evaporator (3).
3. a kind of two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1 is characterized in that: the heat-exchanging tube bundle of described steam generator (13), purpose double-action condenser (12), hot water generator (15) and single-action condenser (16) four parts is arranged in the same low condenser cylindrical shell (11) that feels cold.
4. a kind of two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 2, it is characterized in that: the heat-exchanging tube bundle of described double effect evaporator (3), economic benefits and social benefits absorber (4), single effect evaporator (22) and single-action absorber (24) four parts is arranged in the same evaporation absorber cylindrical shell (1).
5. according to claim 2 or 4 described a kind of two-period form hot-water direct-fired single-double effect compound type lithium bromide absorption type refrigeration unit, it is characterized in that: be provided with the concentrated solution cross over pipe (32) of band concentrated solution stop valve (33) between economic benefits and social benefits absorber feed tube (31) and the single-action absorber feed tube (34), between economic benefits and social benefits absorber liquid capsule and single-action absorber liquid capsule, be provided with the weak solution cross over pipe (35) of band weak solution stop valve (36).
CN2012205548945U 2012-10-27 2012-10-27 Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit Expired - Fee Related CN202915599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205548945U CN202915599U (en) 2012-10-27 2012-10-27 Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205548945U CN202915599U (en) 2012-10-27 2012-10-27 Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit

Publications (1)

Publication Number Publication Date
CN202915599U true CN202915599U (en) 2013-05-01

Family

ID=48163908

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205548945U Expired - Fee Related CN202915599U (en) 2012-10-27 2012-10-27 Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit

Country Status (1)

Country Link
CN (1) CN202915599U (en)

Cited By (1)

* 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

Cited By (1)

* 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

Similar Documents

Publication Publication Date Title
CN102914079A (en) Two-stage type hot water direct-fired single-double effect composite lithium bromide absorption refrigeration unit
CN102914080A (en) Two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning
CN102997483B (en) Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat
CN102997482B (en) Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition
CN102914081A (en) Two-section flue gas hot-water single/double-effect composite lithium bromide absorption type refrigerating unit
CN203177524U (en) Heat exchange system with multi-section lithium bromide absorption-type unit
CN201844606U (en) Novel high-efficiency and direct-fired lithium bromide absorption-type water heater/chiller
CN105423593A (en) Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit
CN202470536U (en) Double-high flue gas hot-water after-burning type lithium bromide absorption type cold and hot water unit
CN202915597U (en) Two-section flue gas hot-water single-effect and double-effect composite lithium bromide absorption type refrigerating unit
CN101526282B (en) Hot-water direct-fired single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit
CN203011002U (en) Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat
CN102997481A (en) Hot water direct-fired single-double effect composite type lithium bromide absorption refrigerating unit
CN202915598U (en) Two-stage smoke and hot water afterburning single-effect and double-effect composite lithium bromide absorption refrigerating unit
CN103123181A (en) Single-effect and double-effect compound-type lithium bromide absorption refrigerating device with smoke and hot water afterburning
CN202973646U (en) Flue gas hot water afterburning single/double-effect composite lithium bromide absorption refrigerating unit
CN203010995U (en) Direct-fired lithium bromide absorption type cold and hot water unit for recovering flue gas waste heat
CN202973647U (en) Flue gas hot water single/double-effect composite lithium bromide absorption refrigerating unit
CN205279511U (en) Energy -efficient direct combustion type lithium bromide absorption formula of heating is cold, hot water unit
CN202973645U (en) Hot water direct combustion single-effect and double-effect combined type lithium bromide absorption type refrigerating set
CN201926190U (en) Low-temperature hot-water compound energy source double-effect lithium bromide absorption-type refrigerating unit
CN201218626Y (en) Medium-temperature solar energy-driving and cold-hot bidirectional-utilizing third-kind absorption heat pump
CN103047791A (en) Low-temperature flue gas double-effect lithium bromide absorption water chilling unit and double-effect refrigeration method
CN203704428U (en) Flue gas hot water single-effect or dual-effect composite-type lithium bromide absorption-type cold water and cold hot water unit
CN202915599U (en) Two-stage type hot water direct-fired single-effect and double-effect composite lithium bromide absorption refrigeration unit

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20201027

CF01 Termination of patent right due to non-payment of annual fee