CN104949383A - Gradient utilization centralization type single-tube-type energy station system - Google Patents
Gradient utilization centralization type single-tube-type energy station system Download PDFInfo
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- CN104949383A CN104949383A CN201510387969.3A CN201510387969A CN104949383A CN 104949383 A CN104949383 A CN 104949383A CN 201510387969 A CN201510387969 A CN 201510387969A CN 104949383 A CN104949383 A CN 104949383A
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- valve
- heat
- lithium bromide
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- main pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a gradient utilization centralization type singlet-tube-type energy station system, and belongs to the technical field of energy saving and environment protection. The system comprises two paths of independent water systems. The primary water system is composed of a heat source system, a low-temperature generating unit, a low-temperature waste heat lithium bromide unit, a heat exchanger, a secondary lithium bromide heat pump unit, a compression type heat pump unit, a plurality of valves and a pipe. The heat source system is sequentially connected with the valves to form a main pipe. The low-temperature generating unit, the low-temperature waste heat lithium bromide unit, the heat exchanger, the secondary lithium bromide heat pump unit and the compression type heat pump unit are connected with the main pipe through inlet valves and outlet valves. The secondary water system is composed of a low-temperature waste heat lithium bromide, a heat exchanger, a secondary lithium bromide heat pump unit, a compression type heat pump unit, a circulating pump, a plurality of valves, a main water return pipe and a main water supply pipe. The system brings convenience to centralized management and control, and the energy gradient utilization is adopted; the system has the advantages that energy saving can be achieved, the energy supply adjusting capacity is high, multi-energy output is achieved, and output is stable.
Description
Technical field
The invention belongs to green, energy-saving and environmental protection technical field, particularly for large-scale energy source station system.
Background technology
So far, the refrigeration of China, the energy source station of heating are still with small-sized, scattered is in the majority, thus cause initial cost high, and managerial confusion, administrative staff (containing operations staff, maintenance personal) increase, administration fee increases, also not energy-conservation, using energy source is insufficient, and energy waste is large waits series of problems.Existing energy source station energy supply is single, and energy supply regulating power is poor, poor stability.
Summary of the invention
The problems such as the object of the invention is for overcoming existing energy source station managerial confusion, administration fee increases, not energy-conservation, and energy waste is large, and energy supply is single, and energy supply regulating power is poor, unstable, and initial cost is high.Design a kind of cascade utilization centralized single-tube energy source station system, have energy-conservation, save manpower, save initial cost, energy supply regulating power is strong, can various energy resources export, the effect of energy stable output.
A kind of cascade utilization centralized single-tube energy source station system that the present invention proposes, it is characterized in that, this system divides two-way independently water system, and one time water system comprises underground heat pumped well, immersible pump, geothermal reinjection well, low-temperature electricity-generating unit, low temperature exhaust heat lithium bromide chiller, heat exchanger, lithium bromide two class source pump, compression type heat pump assembly and multiple valve and pipeline, wherein, underground heat pumped well, immersible pump, inverted well form heat source system, immersible pump in underground heat pumped well connects the first valve successively by main pipeline, the 4th valve, the 7th valve, and the tenth valve, is connected with geothermal reinjection well entrance after the 13 valve, the entrance of low-temperature electricity-generating unit is connected by the import of the second valve with the first valve of main pipeline, exports and is connected by the outlet of the 3rd valve with the first valve of main pipeline, the entrance of low temperature exhaust heat lithium bromide chiller is connected by the import of the 5th valve with the 4th valve of main pipeline, exports and is connected by the outlet of the 6th valve with the 4th valve of main pipeline, the entrance of heat exchanger is connected by the import of the 8th valve with the 7th valve of main pipeline, exports and is connected by the outlet of the 9th valve with the 7th valve of main pipeline, the entrance of lithium bromide two class source pump is connected with the import of the tenth valve of main pipeline by the 11 valve, exports and is connected by the outlet of the 12 valve with the tenth valve of main pipeline, the entrance of compression type heat pump assembly is connected with the import of the 13 valve of main pipeline by the 14 valve, exports and is connected by the outlet of the 15 valve with the 13 valve of main pipeline, intermediate water system comprises: low temperature exhaust heat lithium bromide chiller, heat exchanger, lithium bromide two class source pump, compression type heat pump assembly, circulating pump, multiple valve and total feed pipe and total return pipe pipeline, wherein, by total return pipe respectively by the 16 valve, 18 valve, 20 valve, 22 valve and corresponding compression type heat pump assembly, lithium bromide two class source pump, heat exchanger, the import of low temperature exhaust heat lithium bromide chiller is connected, compression type heat pump assembly, lithium bromide two class source pump, heat exchanger, the outlet of low temperature exhaust heat lithium bromide chiller respectively with the 17 valve, 19 valve, 21 valve, 23 valve is connected, 17 valve, 19 valve, 21 valve, 23 valve is connected with total feed pipe each via circulating pump
Feature of the present invention and beneficial effect:
Native system has maximization, systematization, the feature such as integrated, and this system is convenient to centralized management, centralized Control, utilize energy cascade utilization, can reach energy-conservation, save manpower, save initial cost, energy supply regulating power is strong, can various energy resources export, the effect of energy stable output.Set up and concentrate energy source station, save floor occupying area.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention.
In figure: underground heat pumped well A, immersible pump a, low-temperature electricity-generating unit B, low temperature exhaust heat lithium bromide chiller C, heat exchanger D, lithium bromide two class source pump E, compression type heat pump assembly F, geothermal reinjection well G, by circulating pump b, first valve 1, second valve 2, 3rd valve 3, 4th valve 4, 5th valve 5, 6th valve 6, 7th valve 7, 8th valve 8, 9th valve 9, tenth valve 10, 11 valve 11, 12 valve 12, 13 valve 13, 14 valve 14, 15 valve 15, 16 valve 16, 17 valve 17, 18 valve 18, 19 valve 19, 20 valve 20, 21 valve 21, 22 valve 22, 23 valve 23, total feed pipe (one), total return pipe (two).
Detailed description of the invention
A kind of cascade utilization centralized single-tube energy source station system that the present invention proposes, coupling system drawings and Examples are described in detail as follows:
As shown in Figure 1, native system divides two-way independently water system to cascade utilization of the present invention centralized single-tube energy source station system composition example structure, is a water system and intermediate water system respectively.One time water system comprises underground heat pumped well A, immersible pump a, geothermal reinjection well G, low-temperature electricity-generating unit B, low temperature exhaust heat lithium bromide chiller C, heat exchanger D, lithium bromide two class source pump E, compression type heat pump assembly F and multiple valve and pipeline; Wherein, underground heat pumped well A, immersible pump a and geothermal reinjection well G form heat source system.Immersible pump a in underground heat pumped well A is connected with geothermal reinjection well G entrance after connecting the first valve the 1, four valve the 4, seven valve the 7, ten valve the 10, the 13 valve 13 successively by main pipeline; The entrance of low-temperature electricity-generating unit B is connected by the import of the second valve 2 with the first valve 1 of main pipeline, exports and is connected by the outlet of the 3rd valve 3 with the first valve 1 of main pipeline; The entrance of low temperature exhaust heat lithium bromide chiller C is connected by the import of the 5th valve 5 with the 4th valve 4 of main pipeline, exports and is connected by the outlet of the 6th valve 6 with the 4th valve 4 of main pipeline; The entrance of heat exchanger D is connected by the import of the 8th valve 8 with the 7th valve 7 of main pipeline, exports and is connected by the outlet of the 9th valve 9 with the 7th valve 7 of main pipeline; The entrance of lithium bromide two class source pump E is connected with the import of the tenth valve 10 of main pipeline by the 11 valve 11, exports and is connected by the outlet of the 12 valve 12 with the tenth valve 10 of main pipeline; The entrance of compression type heat pump assembly F is connected with the import of the 13 valve 13 of main pipeline by the 14 valve 14, exports and is connected by the outlet of the 15 valve 15 with the 13 valve 13 of main pipeline.Intermediate water system comprises: low temperature exhaust heat lithium bromide chiller C, heat exchanger D, lithium bromide two class source pump E, compression type heat pump assembly F, circulating pump b, multiple valve and total feed pipe and total return pipe pipeline, wherein, by total return pipe (two) respectively by the 16 valve 16, 18 valve 18, 20 valve 20, 22 valve 22 and corresponding compression type heat pump assembly F, lithium bromide two class source pump E, heat exchanger D, the import of low temperature exhaust heat lithium bromide chiller C is connected, compression type heat pump assembly F, lithium bromide two class source pump E, heat exchanger D, the outlet of low temperature exhaust heat lithium bromide chiller C respectively with the 17 valve 17, 19 valve 19, 21 valve 21, 23 valve 23 is connected, 17 valve 17, 19 valve 19, 21 valve 21, 23 valve 23 is connected with total feed pipe () each via circulating pump b.
Each parts of the present invention are described in detail as follows: as shown in Figure 1, and native system is divided into four parts:
Part i is the heat source system be made up of underground heat pumped well A, immersible pump a, geothermal reinjection well G, can increase buffer tank and water pump by the main pipeline before the entrance of the first valve 1.The heat source system that this part also can be formed for steam power plant, nuclear energy, industrial exhaust heat, solar energy etc.
Part ii is primarily of waterpipe and respective valves composition.Waterpipe can adopt steel pipe, plastic tube or multiple tube etc.; Valve can adopt any one manual or motor regulated valve in conventional butterfly valve, ball valve or gate valve.
In the present invention III part, low-temperature electricity-generating unit B, low temperature exhaust heat lithium bromide chiller C, heat exchanger D, lithium bromide two class source pump E, compression type heat pump assembly F are conventional products;
IV part forms primarily of waterpipe, circulating pump and respective valves.Waterpipe can adopt steel pipe, plastic tube or multiple tube etc.; Valve can adopt any one manual or motor regulated valve in conventional butterfly valve, ball valve or gate valve.Circulating pump adopts conventional clarified water pump.
The present invention also can comprise more than second or three underground heat pumped well, and buffer tank and water pump, and each underground heat pumped well is connected on main pipeline, and buffer tank and water pump are arranged in the main pipeline before the entrance of the first valve.
The heat source system that part i of the present invention can be formed for steam power plant, nuclear energy, industrial exhaust heat, solar energy etc.
In the present invention, valve can be arranged manually or motorized adjustment.Valve is the traditional valve such as butterfly valve, ball valve, gate valve.Control system can be joined control.
Low-temperature cogeneration B of Unit in the present invention III part, low temperature exhaust heat refrigeration unit C, heat exchanger heat-exchange unit D, lithium bromide two class source pump E, compression type heat pump assembly can repeat F, often kind of unit can adopt multiple, various unit changeable, also can arbitrarily combine.
The circulating pump b of the present invention IV part both can be arranged on the export pipeline of low temperature exhaust heat refrigeration unit C, heat exchanger heat-exchange unit D, lithium bromide two class source pump E, compression type heat pump assembly F, also can be arranged in its inlet ductwork.
The present embodiment system work process is as follows: during native system work, and one time each valve 1,4,7,10,13 of water system main pipeline is closed, other valve opening.
A current direction of the present invention is: by the immersible pump a in underground heat pumped well A by the road system to low-temperature cogeneration B of Unit, through valve 2, valve 3 is to low temperature exhaust heat refrigeration unit C, through valve 5, valve 6 to heat exchanger D, through valve 8, valve 9, to lithium bromide two class source pump E, through valve 11, valve 12 to compression type heat pump assembly F, through valve 14, valve 15, gets back to geothermal reinjection well G finally by pipeline.
Valve 10 in valve 7 in valve 1 in its middle and low temperature waste heat power generation subsystem, the valve 4 in low temperature exhaust heat refrigeration subsystem, heat exchanger heat exchange subsystem, lithium bromide two class heat pump subsystem, valve in compression heat pump subsystem 13 for dish logical.
Intermediate water of the present invention flows to: by total return pipe (two) flow valves 16, valve 18, valve 20, valve 22 respectively, flow out from valve 17, valve 19, valve 21, valve 23 respectively after corresponding compression type heat pump assembly F, lithium bromide two class source pump E, heat exchanger D, low temperature exhaust heat refrigeration unit C, then pass through corresponding circulating pump b, be finally aggregated into feed pipe ().
Low-temperature electricity-generating unit B is as low-temperature cogeneration subsystem: the hot water that immersible pump a in underground heat pumped well A exports is entered the entrance of low-temperature electricity-generating unit B through valve 2 by the main line of II part, then flowed out by the outlet of low-temperature electricity-generating unit B, get back to the main line of part ii through valve 3; Waste heat is utilized to drive the required waste heat supply temperature that carries out generating electricity to be more than or equal to 60 DEG C,
Low temperature exhaust heat lithium bromide chiller C is as low temperature exhaust heat refrigeration subsystem: the hot water that water system middle and low temperature waste heat power generation subsystem exports is entered the entrance of low temperature exhaust heat lithium bromide chiller C through valve 5 by the main line of part ii, then flowed out by the outlet of low temperature exhaust heat lithium bromide chiller C, get back to the main line of part ii through valve 6; Intermediate water system to enter another entrance of low temperature exhaust heat lithium bromide chiller C by total return pipe (two) of IV part through valve 22, then flowed out by another outlet of low temperature exhaust heat lithium bromide chiller C, get back to total feed pipe () of IV part through valve 23 and circulating pump b; Utilize waste heat to drive to freeze, required waste heat supply temperature is more than or equal to 75 DEG C.
Heat exchanger D is as heat exchanger heat exchange subsystem: the hot water that low temperature exhaust heat refrigeration subsystem exports is entered the entrance of heat exchanger D through valve 8 by the main line of part ii, then flowed out by the outlet of heat exchanger D, get back to the main line of part ii through valve 9; Intermediate water system to enter another entrance of heat exchanger D by total return pipe (two) of IV part through valve 20, then flowed out by another outlet of heat exchanger D, get back to total feed pipe () of IV part through valve 21 and circulating pump b; Carry out direct heat transfer, required waste heat supply temperature is more than or equal to 35 DEG C.
Lithium bromide two class source pump E is as lithium bromide two class heat pump subsystem: the hot water that heat exchanger heat exchange subsystem exports is entered the entrance of lithium bromide two class source pump E through valve 11 by the main line of part ii, then flowed out by the outlet of lithium bromide two class source pump E, get back to the main line of part ii through valve 12; Intermediate water system to enter another entrance of lithium bromide two class source pump E by total return pipe (two) of IV part through valve 18, then flowed out by another outlet of lithium bromide two class source pump E, get back to total feed pipe () of IV part through valve 19 and circulating pump b; Utilize waste heat to drive and improve system water temperature, required waste heat supply temperature is more than or equal to 30 DEG C.
Compression type heat pump assembly F is as compression heat pump subsystem: lithium bromide two class heat pump subsystem exports hot water and enters compression type heat pump assembly F entrance by the main line of part ii through valve 14, then flowed out by the outlet of compression type heat pump assembly F, the main line getting back to part ii through valve 15 injects geothermal reinjection well G; Intermediate water system to enter another entrance of compression type heat pump assembly F by total return pipe (two) of IV part through valve 16, then flowed out by another outlet of compression type heat pump assembly F, get back to total feed pipe () of IV part through valve 17 and circulating pump b; Utilize compression heat pump to extract waste heat supply temperature, required waste heat supply temperature is more than or equal to 10 DEG C.
Claims (4)
1. a cascade utilization centralized single-tube energy source station system, it is characterized in that, this system divides two-way independently water system, and one time water system comprises underground heat pumped well, immersible pump, geothermal reinjection well, low-temperature electricity-generating unit, low temperature exhaust heat lithium bromide chiller, heat exchanger, lithium bromide two class source pump, compression type heat pump assembly and multiple valve and pipeline, wherein, underground heat pumped well, immersible pump, inverted well form heat source system, immersible pump in underground heat pumped well connects the first valve successively by main pipeline, the 4th valve, the 7th valve, and the tenth valve, is connected with geothermal reinjection well entrance after the 13 valve, the entrance of low-temperature electricity-generating unit is connected by the import of the second valve with the first valve of main pipeline, exports and is connected by the outlet of the 3rd valve with the first valve of main pipeline, the entrance of low temperature exhaust heat lithium bromide chiller is connected by the import of the 5th valve with the 4th valve of main pipeline, exports and is connected by the outlet of the 6th valve with the 4th valve of main pipeline, the entrance of heat exchanger is connected by the import of the 8th valve with the 7th valve of main pipeline, exports and is connected by the outlet of the 9th valve with the 7th valve of main pipeline, the entrance of lithium bromide two class source pump is connected with the import of the tenth valve of main pipeline by the 11 valve, exports and is connected by the outlet of the 12 valve with the tenth valve of main pipeline, the entrance of compression type heat pump assembly is connected with the import of the 13 valve of main pipeline by the 14 valve, exports and is connected by the outlet of the 15 valve with the 13 valve of main pipeline, intermediate water system comprises: low temperature exhaust heat lithium bromide chiller, heat exchanger, lithium bromide two class source pump, compression type heat pump assembly, circulating pump, multiple valve and total feed pipe and total return pipe pipeline, wherein, by total return pipe respectively by the 16 valve, 18 valve, 20 valve, 22 valve and corresponding compression type heat pump assembly, lithium bromide two class source pump, heat exchanger, the import of low temperature exhaust heat lithium bromide chiller is connected, compression type heat pump assembly, lithium bromide two class source pump, heat exchanger, the outlet of low temperature exhaust heat lithium bromide chiller respectively with the 17 valve, 19 valve, 21 valve, 23 valve is connected, 17 valve, 19 valve, 21 valve, 23 valve is connected with total feed pipe each via circulating pump.
2. the system as claimed in claim 1, it is characterized in that, also comprise more than second or three underground heat pumped well, and buffer tank and water pump, each underground heat pumped well is connected on main pipeline, and buffer tank and water pump are arranged in the main pipeline before the entrance of the first valve.
3. the system as claimed in claim 1, is characterized in that, heat source system can be the one in steam power plant, nuclear energy, industrial exhaust heat, solar energy.
4. the system as claimed in claim 1, is characterized in that, all valves are a kind of traditional valve in butterfly valve, ball valve, gate valve, and described valve is manually-operated gate, or is carried out the motor regulated valve that controls by control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387969.3A CN104949383A (en) | 2015-07-03 | 2015-07-03 | Gradient utilization centralization type single-tube-type energy station system |
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| CN201510387969.3A CN104949383A (en) | 2015-07-03 | 2015-07-03 | Gradient utilization centralization type single-tube-type energy station system |
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Citations (8)
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| CN203771516U (en) * | 2014-04-03 | 2014-08-13 | 同方川崎节能设备有限公司 | Geothermal tail water waste heat heating system |
| CN204187889U (en) * | 2014-10-17 | 2015-03-04 | 华中科技大学 | A kind of co-generation system based on hot and cold, electric multiple-energy-source |
| CN204787406U (en) * | 2015-07-03 | 2015-11-18 | 北京中科华誉能源技术发展有限责任公司 | Centralized single tube type of cascade utilization can source station system |
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2015
- 2015-07-03 CN CN201510387969.3A patent/CN104949383A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461259A (en) * | 2008-06-23 | 2009-12-30 | David Michael Richardson | Space heating and hot water system comprising a heat pump |
| CN101806517A (en) * | 2010-02-26 | 2010-08-18 | 清华大学 | Geothermal heat supply and refrigeration unit taking high-temperature flue gas and hot water as driving heat source |
| JP2013007550A (en) * | 2011-06-27 | 2013-01-10 | Daikin Industries Ltd | Heat pump |
| CN102562496A (en) * | 2012-01-17 | 2012-07-11 | 天津大学 | Middle/low-temperature geothermic efficient thermoelectric coupling combined supply system based on organic Rankine cycle (ORC) |
| KR20140090516A (en) * | 2013-01-09 | 2014-07-17 | 김영선 | Two stage heat pump cooling and heating apparatus using geothermal source |
| CN203771516U (en) * | 2014-04-03 | 2014-08-13 | 同方川崎节能设备有限公司 | Geothermal tail water waste heat heating system |
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Application publication date: 20150930 |