CN1540265A - Gas-fired heat pump system of water source - Google Patents
Gas-fired heat pump system of water source Download PDFInfo
- Publication number
- CN1540265A CN1540265A CNA2003101068925A CN200310106892A CN1540265A CN 1540265 A CN1540265 A CN 1540265A CN A2003101068925 A CNA2003101068925 A CN A2003101068925A CN 200310106892 A CN200310106892 A CN 200310106892A CN 1540265 A CN1540265 A CN 1540265A
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- water
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- heat exchanger
- engine
- pump system
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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]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
-
- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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]
- Y02B30/56—Heat recovery units
Abstract
A gas heat pump system using water as heat or cold source for supplying heat or cold and hot water is composed of compressing refrigerator driven by gas engine and using water as heat or cold source, afterheat recovering unit, and water channel controller consisting of valves, water pump, electronic expansion valve and pipeline. When the detected temp is not the temp setting, the delivered air flow of compressor and/or the intake flow of engine can be regulated.
Description
Technical field
The invention belongs to hot accent equipment, say so more specifically with water source gas-fired heat pump heating, cooling and supply domestic hot-water's integrated system.
Background technology
Gas-engine-driven heat pump is with its primary energy ratio height, and the heat supply temperature height is easy to realize characteristics such as capacity regulating and is developed rapidly.But in the at present relevant patent application of gas engine heat pump system, all are air sources.At the beginning of 2002, Dalian Sanyo has released domestic first gas-fired heat pump, is to belong to the air source heat pump system that satisfies the small user.(Chinese patent application number: 02130144,02130145,02130146,02128227) in the patent that the Mitsubishi heavy industry is applied for, do not consider the operating condition that summer is different with winter, the optimal design that heating, cooling and domestic hot-water are rationally mated.Water resource heat pump can guarantee that on the one hand heating system can keep a very high heating efficiency when outdoor temperature is very low; On the other hand because the water source temperature stabilization has overcome the Wind-cooling type heat pump because the contradiction that ambient temperature descends and causes heating capacity decline and heating load to increase.Therefore, the enforcement by this programme can fully utilize gas engine cooling jacket and smoke discharging residual heat, realizes that the water source gas-fired heat pump carries out cooling, heats and provide domestic hot-water's system matches.
Summary of the invention
According to the characteristics of water source gas engine heat pump system, the purpose of this invention is to provide a kind of can heating, cooling and the comprehensive Design of supplying with domestic hot-water's water source gas engine heat pump system so that the energy obtains more rational and effective utilization.
System logic graph of a relation of the present invention, system flow chart and waterway control system figure are shown in accompanying drawing 1,2,3,4.The present invention is the compression refrigerating apparatus (A) of Cooling and Heat Source with water by gas engine (1) driving, waste-heat recovery device (B), and water route control device (C) and system cools water route (D), system freezing water route (E) form.The compressing refrigeration cycle apparatus (A) that with water is Cooling and Heat Source comprising: compressor (2), condenser (3), evaporimeter (4), electric expansion valve (5), oil eliminator (6), oil cooler (7), hand valve (8), device for drying and filtering (9), liquid-sighting glass (10), fluid level controller (11), shaft coupling (12), steam supply valve (13), Venturi tube (14) and corresponding hot and cold water pipeline etc.The output shaft of gas engine (1) connects with the compressor power shaft by shaft coupling (12).When the detected temperature departure of the temperature-detecting device (33) in the freezing water route of system cools water route (D) or system (E) set value, there were three kinds of capacity regulating modes in system: (I) regulate the compressor displacement separately; (II) regulate air input of engine by air, thus the input power of regulating compressor; (III) regulate compressor displacement and air input of engine by air simultaneously.So native system can be regulated in the larger capacity scope as required easily.Waste-heat recovery device (B) comprising: flue gas waste heat recovery heat exchanger (15), engine cool water-to-water heat exchanger (16), oil cooler (7), the heat of its recovery is used for heating water or domestic hot-water.What flow in the waste-heat recovery device (B) all is demineralized water, can avoid the incrustation scale problem.Like this, the heat of recovery enters in the demineralized water of closed cycle, by Intermediate Heat Exchanger (18) heating domestic hot-water, perhaps is discharged in condenser (3) water route by Intermediate Heat Exchanger (17) again.Water route control device (C) comprises Intermediate Heat Exchanger (17), (18), variable frequency pump (19), common water pump (20), (21), domestic hot-water's case (22), reach valve (23), (24), (25), (26), (27), (28), (29), (30), angle valve (31) and corresponding hot and cold water pipeline.Close when stop valve (23), (26), (27), (28), open stop valve (24), (25), (29), (30), realizes the heat supply in winter operating condition.Otherwise, to close when stop valve (24), (25), (29), (30), open stop valve (23), (26), (27), (28), realizes refrigerating operaton operating mode in summer.Produce domestic hot-water with the heat that engine cool water-to-water heat exchanger (16) and oil cooler (7) reclaim winter.Produce domestic hot-water with the heat that flue gas waste heat recovery heat exchanger (15) reclaims summer, and water pump (20), (21) are left simultaneously, stopped.The start-stop of two water pumps is a signal with the water temperature in the boiler (22), and time-termination operation under water temperature stops on water temperature in limited time.By the domestic hot-water in Intermediate Heat Exchanger (18) the heat hot water tank (22), Intermediate Heat Exchanger (17) carries out heat balance by the adjusting of angle valve (31), and the cooling water flow of regulating in the engine cool water-to-water heat exchanger (16) by variable frequency pump (19) guarantees that engine moves under the design temperature condition.Stop valve (23) in the water route control device (C), (24), (25), (28), (29), (30) can be replaced by four triple valves (32).
Description of drawings
Accompanying drawing 1 is a logic relation picture of the present invention; Accompanying drawing 2 is water source gas engine heat pump system figure; Accompanying drawing 3 is the waterway control system flow chart; Fig. 4 changes the waterway control system flow chart of triple valve into for stop valve.
The figure number detail list
| ??1 | Gas engine | ??14 | Venturi tube | ??27 | Stop valve |
| ??2 | Compressor | ??15 | The flue gas waste heat recovery heat exchanger | ??28 | Stop valve |
| ??3 | Condenser | ??16 | The engine cool water-to-water heat exchanger | ??29 | Stop valve |
| ??4 | Evaporimeter | ??17 | Intermediate Heat Exchanger | ??30 | Stop valve |
| ??5 | Electric expansion valve | ??18 | Intermediate Heat Exchanger | ??31 | Angle valve |
| ??6 | Oil eliminator | ??19 | Variable frequency pump | ??32 | Triple valve |
| ??7 | Oil cooler | ??20 | Water pump | ??33 | Temperature measuring equipment |
| ??8 | The hand valve | ??21 | Water pump | ||
| ??9 | Device for drying and filtering | ??22 | Domestic hot-water's case | ??A | Compression refrigerating apparatus |
| ??10 | Liquid-sighting glass | ??23 | Stop valve | ??B | Waste-heat recovery device |
| ??11 | Fluid level controller | ??24 | Stop valve | ??C | The water route control device |
| ??12 | Shaft coupling | ??25 | Stop valve | ??D | The system cools water route |
| ??13 | Steam supply valve | ??26 | Stop valve | ??E | The freezing water route of system |
Specific embodiment
The present invention to be realizing summer cooling and heat supply in winter, and engine cool and provide the domestic hot-water to supply with to embody Application Example:
Engine among the present invention (1) adopts the general gas engine, compressor (2) is selected common opentype compressor for use, condenser (3), evaporimeter (4) adopt shell-and-tube heat exchanger, and electric expansion valve (5) adopts the ordinary electronic expansion valve in stepper motor driven 2500 steps.Stop valve adopts highly sensitive magnetic valve, realizes basic compression-type refrigeration circulation.Flue gas waste heat recovery heat exchanger (15) adopts shell-and-tube heat exchanger, and internal heat exchange tubes adopts carbon steel pipe, and pipe sidles flue gas, and shell-side is leaked water.Intermediate Heat Exchanger (17), Intermediate Heat Exchanger (18), oil cooler (7), engine cool water-to-water heat exchanger (16) adopt common plate type heat exchanger.Common water pump is adopted in water circulating pump (20), (21); Variable frequency pump (19) is by Frequency Converter Control.
Waterway control system can be realized regulating with reference to accompanying drawing 3,4 according to following function.
Summer condition:
Chilled water in the evaporimeter after the heat release cooling enters air conditioning room through system freezing water route (E).Cooling water enters condenser and absorbs heat after valve (23) is drained.Flue gas waste heat recovery heat exchanger (15), valve (26), Intermediate Heat Exchanger (18), water pump (20), valve (27) constitute the closed loop of a closed operation.Water pump (20), water pump (21) are when moving simultaneously, and the demineralized water in the closed loop heats the domestic hot-water in Intermediate Heat Exchanger (18).Intermediate Heat Exchanger (17), oil cooler (7), engine cool water-to-water heat exchanger (16), valve (28) and variable frequency pump (19) constitute the closed loop of a closed operation.Demineralized water in the closed loop is discharged into oil cooler (7) and engine cool water-to-water heat exchanger (16) liberated heat in the draining of system cools water in Intermediate Heat Exchanger (17).
Winter condition:
Chilled water in evaporimeter after the heat release cooling is directly drained.Cooling water absorbs heat after system cools water route (D) enters in the flue gas waste heat recovery heat exchanger (15) by valve (25) again in condenser (3), absorb then to enter the air conditioning room heating after the waste heat amount in the engine smoke discharging.Intermediate Heat Exchanger (17), oil cooler (7), engine cool water-to-water heat exchanger (16), valve (30), Intermediate Heat Exchanger (18), valve (29) and variable frequency pump (19) constitute the closed loop of a closed operation.When water pump (21) moved, the demineralized water in the closed loop heated the domestic hot-water in Intermediate Heat Exchanger (18).Heat unnecessary in the loop enters in the heating water by Intermediate Heat Exchanger (17).
Advantage of the present invention and beneficial effect are, the water source gas engine heat pump system is guaranteed on the basis of engine stable operation temperature requirement, satisfy summer cooling, the demand of Winter heat supply, switch by simple system, can satisfy again the user to domestic hot-water's demand, enable to measure rational utilization. Therefore the present invention has characteristics simple in structure, easy to adjust. Applying with energy-conservation of water source gas-fired heat pump played positive facilitation.
Claims (9)
1. water source gas engine heat pump system is characterized in that it comprises following a few part: what gas engine (1) drove is the compression refrigerating apparatus (A) of Cooling and Heat Source with water; Waste-heat recovery device (B), water route control device (C) etc., when the detected temperature departure of the temperature-detecting device (33) in the freezing water route of system cools water route (D) or system (E) set value, there were three kinds of capacity regulating modes in system: (I) regulate the compressor displacement separately; (II) regulate air input of engine by air, thus the input power of regulating compressor; (III) regulate compressor displacement and air input of engine by air simultaneously.
2. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that wherein waste-heat recovery device (B) comprises flue gas waste heat recovery heat exchanger (15), engine cool water-to-water heat exchanger (16), oil cooler (7), the heat of its recovery is used for heating water or domestic hot-water.
3. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that wherein water route control device (C) comprises Intermediate Heat Exchanger (17), (18), water pump (20), (21), variable frequency pump (19) and corresponding valve, pipeline.
4. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that stop valve (23), (26), (27), (28) in the water route control device (C) close, open stop valve (24), (25), (29), (30), realizes the winter operation operating mode.
5. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that stop valve (24), (25), (29), (30) in the water route control device (C) close, open stop valve (23), (26), (27), (28), realizes operation condition in summer.
6. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that producing the domestic hot-water with the heat that engine cool water-to-water heat exchanger (16) and oil cooler (7) reclaim winter.
7. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that producing the domestic hot-water with the heat that flue gas waste heat recovery heat exchanger (15) reclaims summer, water pump (20), (21) are left simultaneously, are stopped, the start-stop of two water pumps is a signal with the water temperature in the boiler (22), time-termination operation under water temperature stops on water temperature in limited time.
8. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that by the domestic hot-water in Intermediate Heat Exchanger (18) the heat hot water tank (22), Intermediate Heat Exchanger (17) carries out heat balance by the adjusting of angle valve (31), and the cooling water flow of regulating in the engine cool water-to-water heat exchanger (16) by variable frequency pump (19) guarantees that engine moves under the design temperature condition.
9. according to the described water source of claim 1 gas engine heat pump system, it is characterized in that stop valve (23), (24), (25), (28), (29), (30) in the water route control device (C) can be replaced by four triple valves (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101068925A CN1253685C (en) | 2003-10-31 | 2003-10-31 | Gas-fired heat pump system of water source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101068925A CN1253685C (en) | 2003-10-31 | 2003-10-31 | Gas-fired heat pump system of water source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540265A true CN1540265A (en) | 2004-10-27 |
| CN1253685C CN1253685C (en) | 2006-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101068925A Expired - Fee Related CN1253685C (en) | 2003-10-31 | 2003-10-31 | Gas-fired heat pump system of water source |
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| CN (1) | CN1253685C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451493C (en) * | 2007-04-13 | 2009-01-14 | 天津大学 | Heat pump combined with water heater system |
| CN101922350A (en) * | 2010-09-02 | 2010-12-22 | 天津大学 | Gas heat pump system with engine for directly driving water pump at end |
| CN102378880A (en) * | 2009-04-01 | 2012-03-14 | 三菱电机株式会社 | Air-conditioning device |
| CN103090483A (en) * | 2013-01-23 | 2013-05-08 | 青岛奥利凯中央空调有限公司 | Water source heat pump air-conditioner capable of self-test controlling heat exchange amount and method thereof |
| CN103375936A (en) * | 2012-04-11 | 2013-10-30 | 珠海格力电器股份有限公司 | Screw unit cooling system |
| CN103557622A (en) * | 2013-11-05 | 2014-02-05 | 基伊埃冷冻技术（苏州）有限公司 | Twin screw type water source heat pump unit |
| CN106257158A (en) * | 2016-07-29 | 2016-12-28 | 东南大学 | A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof |
| CN108224826A (en) * | 2018-03-20 | 2018-06-29 | 蓝焰高科（天津）燃气技术有限公司 | Screw type water source gas-burning machine heat pump water chiller-heater unit and operation method |
| CN111306695A (en) * | 2019-12-04 | 2020-06-19 | 珠海格力电器股份有限公司 | Compressor load data optimization method and device, computer equipment and storage medium |
-
2003
- 2003-10-31 CN CNB2003101068925A patent/CN1253685C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451493C (en) * | 2007-04-13 | 2009-01-14 | 天津大学 | Heat pump combined with water heater system |
| US9322562B2 (en) | 2009-04-01 | 2016-04-26 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
| CN102378880A (en) * | 2009-04-01 | 2012-03-14 | 三菱电机株式会社 | Air-conditioning device |
| CN102378880B (en) * | 2009-04-01 | 2014-03-19 | 三菱电机株式会社 | Air-conditioning device |
| CN101922350A (en) * | 2010-09-02 | 2010-12-22 | 天津大学 | Gas heat pump system with engine for directly driving water pump at end |
| CN101922350B (en) * | 2010-09-02 | 2012-11-07 | 天津大学 | Gas heat pump system with engine for directly driving water pump at end |
| CN103375936A (en) * | 2012-04-11 | 2013-10-30 | 珠海格力电器股份有限公司 | Screw unit cooling system |
| CN103090483A (en) * | 2013-01-23 | 2013-05-08 | 青岛奥利凯中央空调有限公司 | Water source heat pump air-conditioner capable of self-test controlling heat exchange amount and method thereof |
| CN103557622A (en) * | 2013-11-05 | 2014-02-05 | 基伊埃冷冻技术（苏州）有限公司 | Twin screw type water source heat pump unit |
| CN106257158A (en) * | 2016-07-29 | 2016-12-28 | 东南大学 | A kind of hybrid-power combustion-gas thermal pump water-heater system and control method thereof |
| CN108224826A (en) * | 2018-03-20 | 2018-06-29 | 蓝焰高科（天津）燃气技术有限公司 | Screw type water source gas-burning machine heat pump water chiller-heater unit and operation method |
| CN111306695A (en) * | 2019-12-04 | 2020-06-19 | 珠海格力电器股份有限公司 | Compressor load data optimization method and device, computer equipment and storage medium |
| CN111306695B (en) * | 2019-12-04 | 2021-08-24 | 珠海格力电器股份有限公司 | Compressor load data optimization method and device, computer equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| CN1253685C (en) | 2006-04-26 |
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