CN203704431U - Smoke-heating-water-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger - Google Patents
Smoke-heating-water-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger Download PDFInfo
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- CN203704431U CN203704431U CN201420030054.8U CN201420030054U CN203704431U CN 203704431 U CN203704431 U CN 203704431U CN 201420030054 U CN201420030054 U CN 201420030054U CN 203704431 U CN203704431 U CN 203704431U
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- heat exchanger
- pressure generator
- smoke
- high pressure
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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
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a smoke-heating-water-type lithium bromide absorption refrigerating unit with a smoke-solution heat exchanger. The smoke-heating-water-type lithium bromide absorption refrigerating unit comprises a high pressure generator, an evaporator (1), an absorber (2), a combined low pressure generator (18), a condenser (20), a high temperature heat exchanger (5) and a lower temperature heat exchanger (4), wherein the combined low pressure generator (18) comprises a hot water generator (17) and a steam generator (19). The smoke-heating-water-type lithium bromide absorption refrigerating unit is characterized in that the smoke-solution heat exchanger (33) is arranged on a waste heat smoke outlet pipe (11) of a smoke type high pressure generator (7); a dilute solution outlet pipe of the low temperature heat exchanger (4) serves as a liquid inlet pipe (31) of the smoke-solution heat exchanger to be connected to the smoke-solution heat exchanger (33), and a liquid outlet pipe (32) of the smoke-solution heat exchanger is connected to the high temperature heat exchanger (5); a heat source hot water inlet pipe (8) is arranged on the combined low pressure generator (18). Whether the unit runs for refrigerating or for heating, the discharge temperature of waste heat smoke can be lowered to be lower.
Description
Technical field
The utility model relates to a kind of lithium-bromide absorption-type refrigerating machine.Belong to air conditioner technical field.
Background technology
The fume hot-water type cold/hot water machine of lithium bromide group as depicted in figs. 1 and 2 of a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group in the past.The compound low pressure generator 18 of two units is made up of hot water generator 17 and steam generator 19, on the waste heat smoke outlet tube 11 of flue gas type high pressure generator 7, is provided with fume hot-water heat exchanger 9.This unit belongs to single-double effect compound type unit, can utilize high-temperature residual heat flue gas and the waste heat hot water (being called again thermal source hot water) of external device (ED) discharge to drive refrigerating operaton simultaneously, utilize separately high-temperature residual heat flue gas to drive refrigeration and heating operation, be mainly used in the Distribution of Natural formula energy supplying system of thermal source hot water backwater temperature higher (more than approximately 90 ℃).When unit refrigerating operaton, utilize and in fume hot-water heat exchanger, carry out heat exchange from thermal source hot water and the low temperature exhaust heat flue gas of the external device (ED)s such as gas engine, reclaim low-temperature flue gas heat, waste heat smog discharge temperature can be reduced to approximately 125 ℃.In Fig. 2 unit, dispose Direct Fired High Pressure Generator 28(and be called again fuel supplementing type high pressure generator), flue gas type high pressure generator and Direct Fired High Pressure Generator are cascaded structure arranged in form, two centres occurred frequently are provided with solution cross over pipe 29 occurred frequently, the split type fuel supplementing type high pressure generator of the common composition of flue gas type high pressure generator, Direct Fired High Pressure Generator and solution cross over pipe three occurred frequently.The waste heat flue gas heat providing when external device (ED) and hot water heat sum are less than unit cooling (heat supply) and load required while adding heat, the control system of unit starts burner 27 and moves, for unit provides supplementary heating amount, to meet cooling (heat supply) demand, the flue gas that combustion fuel produces enters atmosphere through afterburning smoke outlet tube 30 and external chimney (not shown) thereof.But there is following weak point in this unit:
1, because of the thermal source hot water temperature from external device (ED)s such as gas engines higher (generally 100 ℃ of left and right), when unit refrigerating operaton, be difficult to waste heat smog discharge temperature to drop to lower, waste heat flue gas heat is not fully recycled.
2, when unit heat supply running, thermal source hot water is generally through external heat exchanger heat exchange, and not into and out of unit, waste heat smog discharge temperature can only be reduced to approximately 145 ℃, and waste heat flue gas heat recovery utilization rate when unit heat supply running is lower.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger is provided, and makes unit can the exhaust temperature of waste heat flue gas be dropped to lower in the time of refrigerating operaton and heat supply running.
The purpose of this utility model is achieved in that a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger, comprise high pressure generator, evaporimeter, absorber, compound low pressure generator, condenser, high-temperature heat exchanger and low temperature heat exchanger, compound low pressure generator comprises hot water generator and steam generator, on the waste heat smoke outlet tube of flue gas type high pressure generator, is provided with smoke solution heat exchanger; The weak solution drain pipe of low temperature heat exchanger is received on smoke solution heat exchanger as smoke solution heat exchanger feed tube, and smoke solution heat exchanger drain pipe is received on high-temperature heat exchanger; Thermal source hot water inlet pipe is arranged on compound low pressure generator.
The fume hot-water type lithium-bromide absorption-type refrigerating machine group of the utility model band smoke solution heat exchanger, described high pressure generator is flue gas type high pressure generator.
The fume hot-water type lithium-bromide absorption-type refrigerating machine group of the utility model band smoke solution heat exchanger, described high pressure generator comprises flue gas type high pressure generator and Direct Fired High Pressure Generator, or described high pressure generator is the split type fuel supplementing type high pressure generator being made up of flue gas type high pressure generator, Direct Fired High Pressure Generator and solution cross over pipe occurred frequently.
The fume hot-water type lithium-bromide absorption-type refrigerating machine group of the utility model band smoke solution heat exchanger, described high pressure generator is integral type fuel supplementing type high pressure generator.
The beneficial effects of the utility model are:
The utility model replaces the fume hot-water heat exchanger in fume hot-water type lithium-bromide absorption-type refrigerating machine group in the past with smoke solution heat exchanger, carry out heat exchange with the lower lithium-bromide solution of temperature and low-temperature flue gas, make unit can the exhaust temperature of waste heat flue gas be dropped to lower in the time of refrigerating operaton and heat supply running, waste heat flue gas heat is fully recycled, and comprehensive utilization of energy rate is further enhanced.
Accompanying drawing explanation
Fig. 1 is fume hot-water type cold/hot water machine of lithium bromide group structural representation in the past.
Fig. 2 is fume hot-water fuel supplementing type cold/hot water machine of lithium bromide group structural representation in the past.
Fig. 3 is the fume hot-water type lithium-bromide absorption-type refrigerating machine group structural representation of the utility model band smoke solution heat exchanger.
Fig. 4 is the fume hot-water fuel supplementing type lithium-bromide absorption-type refrigerating machine group structural representation of the utility model band smoke solution heat exchanger, and fuel supplementing type high pressure generator is split type afterburning structure.
Fig. 5 is the fume hot-water fuel supplementing type lithium-bromide absorption-type refrigerating machine group structural representation of the utility model band smoke solution heat exchanger, and fuel supplementing type high pressure generator is integral type afterburning structure.
Fig. 6 is the structural representation that the cooling water of the fume hot-water type lithium-bromide absorption-type refrigerating machine group of the utility model band smoke solution heat exchanger adopts serial flow.
Reference numeral in figure:
Evaporimeter 1, absorber 2, liquid transfer valve 3, low temperature heat exchanger 4, high-temperature heat exchanger 5, drain pipe 6 occurred frequently, flue gas type high pressure generator 7, thermal source hot water inlet pipe 8, fume hot-water heat exchanger 9, waste heat smoke discharge pipe 10, waste heat smoke outlet tube 11, hot water communicating pipe 12, waste heat flue gas inlet tube 13, refrigerant vapour pipe 14, steam transfer valve 15, thermal source hot water outlet pipe 16, hot water generator 17, compound low pressure generator 18, steam generator 19, condenser 20, cooling water outlet pipe 21, cold (heat) water outlet pipe 22, cold (heat) water inlet pipe 23, solution pump 24, cryogenic fluid pump 25, cooling water inlet pipe 26, burner 27, Direct Fired High Pressure Generator 28, solution cross over pipe 29 occurred frequently, afterburning smoke outlet tube 30, smoke solution heat exchanger feed tube 31, smoke solution heat exchanger drain pipe 32, smoke solution heat exchanger 33, integral type fuel supplementing type high pressure generator 34.
The specific embodiment
The utility model is unit as shown in Figure 3, and this unit is the fume hot-water type cold/hot water machine of lithium bromide group with smoke solution heat exchanger being made up of pipeline, the valve of flue gas type high pressure generator 7, evaporimeter 1, absorber 2, compound low pressure generator 18, condenser 20, high-temperature heat exchanger 5, low temperature heat exchanger 4, solution pump 24, cryogenic fluid pump 25, control system (not shown) and connecting components.Compound low pressure generator 18 is made up of hot water generator 17 and steam generator 19, on the waste heat smoke outlet tube 11 of flue gas type high pressure generator 7, is provided with smoke solution heat exchanger 33; The weak solution drain pipe of low temperature heat exchanger 4 is received on smoke solution heat exchanger 33 as smoke solution heat exchanger feed tube 31, and smoke solution heat exchanger drain pipe 32 is received on high-temperature heat exchanger 5; Thermal source hot water inlet pipe 8 is arranged on compound low pressure generator 18; On the pipeline between drain pipe 6 occurred frequently and absorber 2, solution transfer valve 3 is housed; On the pipeline between refrigerant vapour pipe 14 and evaporimeter 1, steam transfer valve 15 is housed.
Unit utilizes separately waste heat flue gas or utilizes waste heat flue gas and when hot water heating refrigerating operaton, solution transfer valve 3 and steam transfer valve 15 are closed simultaneously.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 7 through waste heat flue gas inlet tube 13, and lithium-bromide solution, temperature wherein of heating is reduced to approximately 170 ℃ and enters smoke solution heat exchanger 33 through waste heat smoke outlet tube 11 after becoming low temperature exhaust heat flue gas; After being warming up to approximately 80 ℃, low temperature heat exchanger 4 heat exchange enter smoke solution heat exchanger 33 through smoke solution heat exchanger feed tube 31 from the weak solution of output absorber 2 by solution pump 24, after heating up with the further heat exchange of low temperature exhaust heat flue gas, enter high-temperature heat exchanger 5 through smoke solution heat exchanger drain pipe 32, the temperature of waste heat flue gas drops to after 100 ℃ and enters atmosphere through waste heat smoke discharge pipe 10.
When unit heat supply running, solution transfer valve 3 and steam transfer valve 15 are opened.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 7 through waste heat flue gas inlet tube 13, and lithium-bromide solution, temperature wherein of heating is reduced to approximately 145 ℃ and enters smoke solution heat exchanger 33 through waste heat smoke outlet tube 11 after becoming low temperature exhaust heat flue gas; The weak solution (temperature is about 95 ℃) of being exported from absorber 2 by solution pump 24 enters smoke solution heat exchanger 33 through low temperature heat exchanger 4, smoke solution heat exchanger feed tube 31, after heating up with low temperature exhaust heat flue gas heat exchange, enter high-temperature heat exchanger 5 through smoke solution heat exchanger drain pipe 32, the temperature of waste heat flue gas drops to after 115 ℃ and enters atmosphere through waste heat smoke discharge pipe 10.
In unit shown in Fig. 3, set up Direct Fired High Pressure Generator 28 and solution cross over pipe 29 occurred frequently, this unit becomes the fume hot-water fuel supplementing type cold/hot water machine of lithium bromide group with smoke solution heat exchanger shown in Fig. 4.
With the flue gas type high pressure generator 7 in unit shown in integral type fuel supplementing type high pressure generator 34 alternate figures 3, this unit becomes the fume hot-water fuel supplementing type cold/hot water machine of lithium bromide group with smoke solution heat exchanger shown in Fig. 5.
But the cooling water flow path parallel-connection flow of unit (as shown in Fig. 3, Fig. 4, Fig. 5), also serial flow (as shown in Figure 6).
Cancel solution transfer valve, steam transfer valve and tube connector thereof in unit shown in Fig. 3～Fig. 6, unit becomes the fume hot-water with smoke solution heat exchanger (afterburning) the type lithium bromide adsorption water chilling unit for separate refrigeration.
Claims (5)
1. the fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger, comprise high pressure generator, evaporimeter (1), absorber (2), compound low pressure generator (18), condenser (20), high-temperature heat exchanger (5) and low temperature heat exchanger (4), compound low pressure generator (18) comprises hot water generator (17) and steam generator (19), it is characterized in that: on the waste heat smoke outlet tube (11) of flue gas type high pressure generator (7), be provided with smoke solution heat exchanger (33); It is upper that the weak solution drain pipe of low temperature heat exchanger (4) is received smoke solution heat exchanger (33) as smoke solution heat exchanger feed tube (31), and smoke solution heat exchanger drain pipe (32) is received on high-temperature heat exchanger (5); Thermal source hot water inlet pipe (8) is arranged on compound low pressure generator (18).
2. a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: described high pressure generator is flue gas type high pressure generator (7).
3. a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, it is characterized in that: described high pressure generator comprises flue gas type high pressure generator (7) and Direct Fired High Pressure Generator (28), or described high pressure generator is the split type fuel supplementing type high pressure generator being made up of flue gas type high pressure generator (7), Direct Fired High Pressure Generator (28) and solution cross over pipe occurred frequently (29).
4. a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: described high pressure generator is integral type fuel supplementing type high pressure generator (34).
5. a kind of fume hot-water type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: the cooling water flow path of described unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030054.8U CN203704431U (en) | 2014-01-18 | 2014-01-18 | Smoke-heating-water-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030054.8U CN203704431U (en) | 2014-01-18 | 2014-01-18 | Smoke-heating-water-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704431U true CN203704431U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420030054.8U Withdrawn - After Issue CN203704431U (en) | 2014-01-18 | 2014-01-18 | Smoke-heating-water-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759461A (en) * | 2014-01-18 | 2014-04-30 | 双良节能***股份有限公司 | Smoke hot-water lithium bromide absorption refrigerating unit with smoke solution heat exchanger |
-
2014
- 2014-01-18 CN CN201420030054.8U patent/CN203704431U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759461A (en) * | 2014-01-18 | 2014-04-30 | 双良节能***股份有限公司 | Smoke hot-water lithium bromide absorption refrigerating unit with smoke solution heat exchanger |
| CN103759461B (en) * | 2014-01-18 | 2015-08-05 | 双良节能***股份有限公司 | With the fume hot-water type lithium bromide absorption refrigerating set of smoke solution heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |