CN105910455A - Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water - Google Patents
Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water Download PDFInfo
- Publication number
- CN105910455A CN105910455A CN201610394127.5A CN201610394127A CN105910455A CN 105910455 A CN105910455 A CN 105910455A CN 201610394127 A CN201610394127 A CN 201610394127A CN 105910455 A CN105910455 A CN 105910455A
- Authority
- CN
- China
- Prior art keywords
- heat supply
- back pressure
- high back
- water
- heat
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/04—Using steam or condensate extracted or exhausted from steam engine plant for specific purposes other than heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/02—Arrangements or modifications of condensate or air pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses an air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water, and belongs to the technical field of heat exchange. The heat supply system is an air cooling unit composed of a high pressure cylinder, an intermediate pressure cylinder and a low pressure cylinder, wherein a steam exhaust pipe of the air cooling unit communicates with an air cooling island through a steam exhaust valve A, and is in parallel connection and communicates with a heat supply condenser through a steam exhaust valve B; and a water outlet pipe of a heating network is connected with a water inlet pipe of the heat supply condenser and a high temperature water inlet pipe of an electric heat pump. According to the air cooling high back pressure heat supply system, a high back pressure heat supply unit is adopted as the basis, heat in an auxiliary machine circulating water system of a power plant is extracted through utilizing the electric heat pump, an auxiliary machine circulating water heat supply system is coupled in the high back pressure heat supply system, and the purposes that the heat supply capacity of a conventional air cooling high back pressure unit is improved, the heat supply quantity and power supply quantity are increased, the adjustment flexibility is improved, deep electric load peaks of a thermal power plant are regulated, waste heat of auxiliary machine circulating water is recycled, energy is saved, and consumption is reduced are achieved on the precondition that a lateral structure and operation parameters of the unit are not changed.
Description
Technical field
The invention belongs to technical field of heat exchange, particularly to a kind of air cooling highback utilizing subsidiary engine circulating water afterheat
Pressure heating system.
Background technology
Under energy Background of Internet, new forms of energy and distributed energy resource system attain full development, tradition fired power generating unit
Rate of load condensate continuous decrease.Along with urbanization process is accelerated, northern area Areas benefiting from central heating quickly increase, full society
Meeting heat demand continues to increase, and electrically and thermally as two kinds of important end products of energy the Internet, its Demand-side becomes
Change structure and the change directly influencing supply side.Steam power plant, as the energy supply center in city, tackles in time
Changes in demand electrically and thermally is its subject matter faced.
Existing air cooling high back pressure thermal power plant unit, if wanting to improve its heat capacity, is necessary for increasing its back of the body run
Pressure, is unfavorable for safety and the economy of unit.And the waste heat total amount of its subsidiary engine recirculated water is big, grade is low, and
Generally it is directly discharged in environment by induced cooling tower, causes a large amount of wastes of energy, be unfavorable for joint
Can consumption reduction.
The large-scale of China takes out solidifying thermoelectricity unit at present, and heat supply extraction temperature is many in 200-300 DEG C of temperature range,
This does not mates with the temperature levels of heat supply network 130 DEG C；The return water temperature that is designed for of existing heat supply network exists
The temperature levels of 130/70 DEG C, relative to 18 DEG C of room temperature levels of heating, temperature difference is relatively big, and heat supply network is used with heat
The grade unbalance at family is prominent and never improves.
Summary of the invention
The purpose of the present invention is to propose to a kind of air cooling high back pressure heating system utilizing subsidiary engine circulating water afterheat, this confession
The Air-cooled Unit that hot systems is made up of high pressure cylinder 1, intermediate pressure cylinder 2 and low pressure (LP) cylinder 3, it is characterised in that with highback
Based on pressure thermal power plant unit, utilize electric heat pump to extract the heat in Controlling Auxiliaries in Power Plants circulation, do not changing
On the premise of the operational factor of unit side, subsidiary engine circulating water heating system is coupled among high back pressure heating system；
The gland steam exhauster of described Air-cooled Unit connects Air-Cooling Island 5 by A exhaust steam valve 4, and passes through B exhaust steam valve 6 also
Connection connection heat supply condenser 7, the outlet pipe of heat supply network 8 is simultaneously connected with the water inlet pipe of heat supply condenser 7 and electronic heat
The high-temperature water water inlet pipe of pump 9, the water inlet pipe of heat supply network 8 connects the outlet pipe of heat supply condenser 7, and by first
Hot water valve 10 connects the high-temperature water outlet pipe of electric heat pump 9, and subsidiary engine circulating water outlet pipe 11 connects mechanical draft
The water inlet pipe of cooling tower 12, and the water at low temperature water inlet pipe of electric heat pump 9, machine is connected by the second hot water valve 13
The outlet pipe of power aerating and cooling tower 12 and the water at low temperature outlet pipe of electric heat pump 9 all with subsidiary engine recirculated water return pipe
14 are connected.
The venthole of described heat supply condenser 7 connects Air-Cooling Island outlet conduit by condensate valve 15.
The working range of described high back pressure heating system is 7-35kPa.
Described high back pressure heating system heat supply mode is low parameter direct-furnish pattern, before its heat supply network recirculated water enters heat supply network
Temperature be 60-80 DEG C.
The invention has the beneficial effects as follows based on high back pressure thermal power plant unit, utilize electric heat pump to extract Controlling Auxiliaries in Power Plants
Heat in circulation, is coupled to subsidiary engine circulating water heating system among high back pressure heating system, not
On the premise of changing unit side operational factor, reach to improve the heat capacity of existing air cooling High Back Pressure Steam Turbine Units, carry
Rise heating load and delivery regulation motility, realize steam power plant's degree of depth electric load peak regulation, recycle subsidiary engine follow
Ring water waste heat, energy-saving and cost-reducing purpose；For common high back pressure thermal power plant unit, mainly have following excellent
Gesture:
(1) avoiding common power plant uses the mode of induced cooling tower to carry out subsidiary engine circulating water and make
Become thermal loss, it is achieved that the UTILIZATION OF VESIDUAL HEAT IN of subsidiary engine circulation, improve whole power plant the thermal efficiency and
Heat-economy.
(2) on the premise of not changing unit side structure and operational factor, the heat capacity of unit is improved,
The employing of electric heat pump simultaneously adds electric energy thermotropism transformation of energy, can flexible delivery and heating load, than
Tradition fired power generating unit is suitable for thermic load and the characteristics of demand of electric load after new forms of energy large-scale grid connection.
(3) avoid high back pressure thermal power plant unit and promote unit back pressure belt further because needs increase heat capacity
The safety issue come.
(4) relative to common air cooling high back pressure thermal power plant unit, under identical extraneous thermic load, due to subsidiary engine
The utilization of circulating cooling water afterheat, main frame steam discharge heating load reduces, and can reduce unit back pressuce further, improves electricity
The generating efficiency of factory.
(5) this system uses low parameter direct-furnish pattern heat supply, and the temperature before heat supply network recirculated water enters heat supply network is
60-80 DEG C, solve the grade unbalance of heat supply network and heat user.
Accompanying drawing explanation
Fig. 1 is the structural representation of air cooling high back pressure heating system.
In figure, 1. high pressure cylinder, 2 intermediate pressure cylinders, 3. low pressure (LP) cylinder, 4.A exhaust steam valve, 5. Air-Cooling Island, 6.B arranges
Steam valve, 7. heat supply condenser, 8. heat supply network, 9. electric heat pump, 10. the first hot water valve, 11. subsidiary engines follow
Ring water outlet pipe, 12. induced cooling towers, 13. second hot water valve, 14. subsidiary engine recirculated water return pipes,
15. condensate valves.
Detailed description of the invention
The present invention proposes a kind of air cooling high back pressure heating system utilizing subsidiary engine circulating water afterheat, below in conjunction with the accompanying drawings
The present invention is further described with embodiment.
The structural representation of the air cooling high back pressure heating system shown in Fig. 1.
The Air-cooled Unit that this heating system is made up of high pressure cylinder 1, intermediate pressure cylinder 2 and low pressure (LP) cylinder 3.Described air cooler
The gland steam exhauster of group connects Air-Cooling Island 5 by A exhaust steam valve 4, and by B exhaust steam valve 6 parallel communication heat supply condensing
Device 7, the high-temperature water of water inlet pipe and electric heat pump 9 that the outlet pipe of heat supply network 8 is simultaneously connected with heat supply condenser 7 enters
Water pipe, the water inlet pipe of heat supply network 8 is connected the outlet pipe of heat supply condenser 7, and is connected by the first hot water valve 10
The high-temperature water outlet pipe of electric heat pump 9, subsidiary engine circulating water outlet pipe 11 connects entering of induced cooling tower 12
Water pipe, and the water at low temperature water inlet pipe of electric heat pump 9, induced cooling tower is connected by the second hot water valve 13
The outlet pipe of 12 is all connected with subsidiary engine recirculated water return pipe 14 with the water at low temperature outlet pipe of electric heat pump 9.
The present invention, based on high back pressure thermal power plant unit, utilizes electric heat pump to extract in Controlling Auxiliaries in Power Plants circulation
Heat, on the premise of not changing unit side operational factor, subsidiary engine circulating water heating system is coupled to highback
Among pressure heating system.
This heating system, in the heat supply phase, closes the A exhaust steam valve 4 leading to Air-Cooling Island 5, opens and leads to heat supply condenser 7
B exhaust steam valve 6, open first hot water valve 10 leading to heat supply network 8 water inlet, open and lead to electric heat pump 9
Second hot water valve 13, opens electric heat pump 9, opens the condensate valve 15 leading to Air-Cooling Island 5 outlet conduit, empty
Cold unit back pressuce is increased to 7-35kPa, and 45-55 DEG C of the backwater of heat supply network recirculated water, flow 6000t/h, by warm
The outlet pipe of net 8 separately flows into heat supply condenser 7 and electric heat pump 9 carries out absorbing heat, mix after be warmed up to
60-80 DEG C, the heat supply network recirculated water after intensification is respectively by the outlet pipe of heat supply condenser 7 and electric heat pump 9
After high-temperature water outlet pipe enters heat supply network 8 heat supply, return heat supply condenser 7 and electric heat pump 9, constitute one
Circulation.When needing the ratio increasing heating load and delivery, the second hot water valve 13 can be tuned up, increase electricity simultaneously
The power of dynamic heat pump 9, makes a part of station service be converted into the heat energy of heat supply network recirculated water, and reclaims more subsidiary engine
Circulating water afterheat, reaches the purpose increasing heating load with the ratio of delivery.After the heat supply phase terminates, open logical
Toward the A exhaust steam valve 4 of Air-Cooling Island 5, close the B exhaust steam valve 6 leading to heat supply condenser 7, close and lead to heat supply network 8
First hot water valve 10 of water inlet, closes the second hot water valve 13 leading to electric heat pump 9, closes electric heat pump 9,
Closing the condensate valve 15 leading to Air-Cooling Island 5 outlet conduit, unit is switched to pure condensate and runs.The present invention solves
Air cooling high back pressure is for low electric load and the specific demand of high heat load faced by steam power plant, fully to carry out waste heat recovery
It is utilized as premise, under safety, economic unit operation operating mode, meets the requirement of low electric load and high heat load.
Claims (4)
1. utilize an air cooling high back pressure heating system for subsidiary engine circulating water afterheat, this heating system
The Air-cooled Unit being made up of high pressure cylinder (1), intermediate pressure cylinder (2) and low pressure (LP) cylinder (3), its feature
It is, based on high back pressure thermal power plant unit, utilizes electric heat pump to extract Controlling Auxiliaries in Power Plants recirculated water
Heat in system, is coupled to subsidiary engine circulating water heating system among high back pressure heating system,
On the premise of not changing unit side operational factor, reduce the electricity supply that power plant is external, increase
The heat supply that power plant is external；
The gland steam exhauster of described Air-cooled Unit connects Air-Cooling Island (5) by A exhaust steam valve (4), and
By B exhaust steam valve (6) parallel communication heat supply condenser (7), the outlet pipe of heat supply network (8) is same
Time connect heat supply condenser (7) water inlet pipe and the high-temperature water water inlet pipe of electric heat pump (9),
The water inlet pipe of heat supply network (8) connects the outlet pipe of heat supply condenser (7), and by the first hot water
Valve (10) connects the high-temperature water outlet pipe of electric heat pump (9), subsidiary engine circulating water outlet pipe (11)
Connect the water inlet pipe of induced cooling tower (12), and connected by the second hot water valve (13)
The water at low temperature water inlet pipe of electric heat pump (9), the outlet pipe of induced cooling tower (12) and
The water at low temperature outlet pipe of electric heat pump (9) is all connected with subsidiary engine recirculated water return pipe (14).
Utilize the air cooling high back pressure heat supply of subsidiary engine circulating water afterheat the most according to claim 1
System, it is characterised in that the venthole of described heat supply condenser (7) passes through condensate valve (15)
Connect Air-Cooling Island outlet conduit.
Utilize the air cooling high back pressure heat supply of subsidiary engine circulating water afterheat the most according to claim 1
System, it is characterised in that the working range of described high back pressure heating system is 7-35kPa.
Utilize the air cooling high back pressure heat supply of subsidiary engine circulating water afterheat the most according to claim 1
System, it is characterised in that described high back pressure heating system heat supply mode is low parameter direct-furnish pattern,
Temperature before its heat supply network recirculated water enters heat supply network is 60-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394127.5A CN105910455A (en) | 2016-06-06 | 2016-06-06 | Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394127.5A CN105910455A (en) | 2016-06-06 | 2016-06-06 | Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910455A true CN105910455A (en) | 2016-08-31 |
Family
ID=56749690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394127.5A Pending CN105910455A (en) | 2016-06-06 | 2016-06-06 | Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910455A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765446A (en) * | 2016-12-27 | 2017-05-31 | 华北电力大学 | One kind is drawn gas combining heating system using cooling water heat Direct Air-Cooled high back pressure |
| CN112228173A (en) * | 2020-09-10 | 2021-01-15 | 北京京能科技有限公司 | Thermoelectric decoupling system and method combining low-back-pressure cutting cylinder and high back pressure |
| CN112228174A (en) * | 2020-09-10 | 2021-01-15 | 北京京能科技有限公司 | Thermoelectric decoupling system and method for heating by combining low-back-pressure cutting cylinder with steam ejector |
| CN114889089A (en) * | 2022-05-21 | 2022-08-12 | 江西科惠达实业有限公司 | Screw rubber extruder with cooling effect for cable manufacture |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1553427A (en) * | 1967-02-07 | 1969-01-10 | ||
| CN102278786A (en) * | 2011-08-13 | 2011-12-14 | 双良节能系统股份有限公司 | Central heating system using waste heat of direct air cooling power plant |
| CN202792190U (en) * | 2012-09-19 | 2013-03-13 | 烟台龙源电力技术股份有限公司 | Extraction system of waste heat from exhaust steam of direct air-cooling unit |
| CN102997310A (en) * | 2012-12-26 | 2013-03-27 | 北京国电蓝天节能科技开发有限公司 | Low-temperature heat source warming and heating system of air cooling unit |
| CN103017233A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Low-level energy classified hybrid heating system for air cooling unit |
| CN203385306U (en) * | 2013-06-08 | 2014-01-08 | 山东泓奥电力科技有限公司 | High-back-pressure energy saving system of air cooling unit |
| CN103953961A (en) * | 2014-05-19 | 2014-07-30 | 山东泓奥电力科技有限公司 | High back pressure and heat pump combined heat supply system for air cooling unit |
| CN205748020U (en) * | 2016-06-06 | 2016-11-30 | 华北电力大学 | Utilize the air cooling high back pressure heating system of subsidiary engine circulating water afterheat |
-
2016
- 2016-06-06 CN CN201610394127.5A patent/CN105910455A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1553427A (en) * | 1967-02-07 | 1969-01-10 | ||
| CN102278786A (en) * | 2011-08-13 | 2011-12-14 | 双良节能系统股份有限公司 | Central heating system using waste heat of direct air cooling power plant |
| CN202792190U (en) * | 2012-09-19 | 2013-03-13 | 烟台龙源电力技术股份有限公司 | Extraction system of waste heat from exhaust steam of direct air-cooling unit |
| CN102997310A (en) * | 2012-12-26 | 2013-03-27 | 北京国电蓝天节能科技开发有限公司 | Low-temperature heat source warming and heating system of air cooling unit |
| CN103017233A (en) * | 2012-12-26 | 2013-04-03 | 北京国电蓝天节能科技开发有限公司 | Low-level energy classified hybrid heating system for air cooling unit |
| CN203385306U (en) * | 2013-06-08 | 2014-01-08 | 山东泓奥电力科技有限公司 | High-back-pressure energy saving system of air cooling unit |
| CN103953961A (en) * | 2014-05-19 | 2014-07-30 | 山东泓奥电力科技有限公司 | High back pressure and heat pump combined heat supply system for air cooling unit |
| CN205748020U (en) * | 2016-06-06 | 2016-11-30 | 华北电力大学 | Utilize the air cooling high back pressure heating system of subsidiary engine circulating water afterheat |
Non-Patent Citations (1)
| Title |
|---|
| 孙晓平: "国电电力大同发电有限公司2_660MW机组辅机循环水余热回收利用集中供热", 《第四届热电联产节能降耗新技术研讨会论文集》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765446A (en) * | 2016-12-27 | 2017-05-31 | 华北电力大学 | One kind is drawn gas combining heating system using cooling water heat Direct Air-Cooled high back pressure |
| CN112228173A (en) * | 2020-09-10 | 2021-01-15 | 北京京能科技有限公司 | Thermoelectric decoupling system and method combining low-back-pressure cutting cylinder and high back pressure |
| CN112228174A (en) * | 2020-09-10 | 2021-01-15 | 北京京能科技有限公司 | Thermoelectric decoupling system and method for heating by combining low-back-pressure cutting cylinder with steam ejector |
| CN114889089A (en) * | 2022-05-21 | 2022-08-12 | 江西科惠达实业有限公司 | Screw rubber extruder with cooling effect for cable manufacture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108005741A (en) | It is a kind of to improve the solidifying back of the body of taking out for thermally safe co-generation unit and adjusting method | |
| CN207813667U (en) | Low pressure cylinder cooling system based on different steam ports | |
| CN105910455A (en) | Air cooling high back pressure heat supply system utilizing waste heat of auxiliary machine circulating water | |
| CN208124429U (en) | A kind of thermal power plant unit steam extraction waste heat recycling system | |
| CN105736068A (en) | High-back pressure combined heat and power generation system coupled with exhaust steam and supply heat of non-reheat steam turbine | |
| CN207813675U (en) | A kind of co-generation unit for carrying on the back heat supply for solidifying pumping | |
| CN109441570A (en) | One kind is coagulated in combination for two units takes out back heating system and operation method | |
| CN203476412U (en) | Novel efficient heating supply system based on NCB unit | |
| CN205748020U (en) | Utilize the air cooling high back pressure heating system of subsidiary engine circulating water afterheat | |
| CN103363564A (en) | Energy-saving heat supplying system and heat supplying method capable of improving low-grade steam heat utilization efficiency | |
| CN106765446A (en) | One kind is drawn gas combining heating system using cooling water heat Direct Air-Cooled high back pressure | |
| CN207813676U (en) | It is a kind of to improve the solidifying back of the body of taking out for thermally safe co-generation unit | |
| CN203478400U (en) | Energy-saving heat supply system for improving low-grade steam heat energy utilization efficiency | |
| CN209145663U (en) | A kind of heat supply steam extraction optimization system based on small * damage Mixing Technology | |
| CN206377728U (en) | One kind is drawn gas combining heating system using cooling water heat Direct Air-Cooled high back pressure | |
| CN207795313U (en) | A kind of adjustable increasing steam turbine steam exhaust recycling system | |
| CN206845245U (en) | A kind of cogeneration units of the wide hotspot stress with the inverse circulation of carbon dioxide | |
| CN109798573A (en) | A kind of multicomputer step heating system based on increasing steam turbine | |
| CN212337395U (en) | Injection type heat pump with integrated injection tube bundle and condenser built in low-pressure cylinder exhaust pipe | |
| CN114754400A (en) | Combined heat and power generation system and method with absorption heat pump | |
| CN103438492A (en) | Low-vacuum absorption-type composite heat pump residual heat supply system based on ultra-great-temperature-difference heat supply network | |
| CN204402591U (en) | A kind of novel air cooling system | |
| CN208269248U (en) | A kind of Comprehensive Utilization Power Plant steam exhaust, subsidiary engine cooling water heat, solar energy step heating system | |
| CN209145661U (en) | A kind of empty clammy condensing equipment coupling energy-saving system of two-stage surface-type | |
| CN208605234U (en) | A kind of steam turbine high back pressure heat supply power generating simultaneously system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |