CN105605776B - Conduction oil heat exchange energy conserving system - Google Patents
Conduction oil heat exchange energy conserving system Download PDFInfo
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- CN105605776B CN105605776B CN201610119407.5A CN201610119407A CN105605776B CN 105605776 B CN105605776 B CN 105605776B CN 201610119407 A CN201610119407 A CN 201610119407A CN 105605776 B CN105605776 B CN 105605776B
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- Prior art keywords
- conduction oil
- oil
- heat
- fluidized bed
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses conduction oil heat exchange energy conserving system, including circulating fluidized bed boiler, the circuits conduction oil A, the circuits conduction oil B and heat-exchanging loop are communicated in the circulating fluidized bed boiler.It has the following advantages：System structure is simple and practical, by the reasonable disposition of system, reduces the exhaust gas temperature of heat-conducting oil furnace；The conduction oil demand of the different cultivars that can furnish good supplies to and different temperatures.
Description
Technical field
The invention belongs to energy-conserving and emission-cutting technology field, especially a kind of conduction oil heat exchange energy conserving system.
Background technology
With national economy fast development and world energy sources it is increasingly in short supply, rationally improve energy utilization rate, reduce energy
Source wastes the focus point for having become current development in science and technology.Conduction oil as a kind of heat carrier, due to it with low-voltage high-temperature, put
Thermostabilization, heat transfer efficiency is high, can easily be accommodated control temperature, sustainable the advantages that recycling, conveying and is easy to operate, extensive
Applied to industry-by-industries such as chemical, petrochemical industry, chemical fibre, papermaking weaving, building materials, aerospaces.But since technique is used
The problem of limitation of oil temperature, heat-conducting oil furnace generally existing high fume temperature.
Invention content
The technical problem to be solved by the invention is to provide a kind of conduction oil heat exchange energy conserving system, which not only reduces
Exhaust gas temperature, and it is supplied to the conduction oil of user's different cultivars and different temperatures.
The energy conserving system in order to solve the above technical problems, conduction oil provided by the invention exchanges heat, it includes recirculating fluidized bed pot
Stove is communicated with the circuits conduction oil A, the circuits conduction oil B and heat-exchanging loop in the circulating fluidized bed boiler.The circuits conduction oil A
It is supplied to the conduction oil kind of user and temperature different with the circuits conduction oil B；Heat-exchanging loop is used to absorb the heat of exhaust gas temperature.
Preferably, the circuits the conduction oil A include conduction oil flash tank, conduction oil user A, heat conduction oil tank A and
Oil-feed pump A, gas outlet end, conduction oil user A, heat conduction oil tank A, the oil-feed pump A of conduction oil flash tank pass sequentially through pipeline
Connection, the liquid outlet end of conduction oil flash tank are connected to the pipeline between heat conduction oil tank A and oil-feed pump A, conduction oil flash distillation
The arrival end of tank is connected to circulating fluidized bed boiler, and the outlet end of oil-feed pump A is connected to circulating fluidized bed boiler.
Preferably, being equipped with external heat conduction oil vaporizer, institute between the circulating fluidized bed boiler and the circuits conduction oil B
It includes conduction oil user B, heat conduction oil tank B and the oil-feed pump B being sequentially communicated to state the circuits conduction oil B；External conduction oil steams
The gas access of hair device is connected to circulating fluidized bed boiler, and gas-phase heat conducting oil outlet is connected to conduction oil user B, liquid phase heat-conduction oil
Entrance is connected to the outlet end of oil-feed pump B.
Preferably, the heat-exchanging loop includes steam flash tank, water water- to-water heat exchanger, feed pump, oxygen-eliminating device and steam turbine, vapour
Machine, oxygen-eliminating device, feed pump, water water- to-water heat exchanger are sequentially communicated, and the arrival end of steam turbine is connected to circulating fluidized bed boiler, the heat exchange of water water
The outlet end of device is connected to circulating fluidized bed boiler；Supercooling water outlet end, steam flash tank, the water of external heat conduction oil vaporizer
Water- to-water heat exchanger, oxygen-eliminating device fluid inlet end are sequentially communicated, and the gas vent of steam flash tank is connected to circulating fluidized bed boiler；Vapour
It is communicated with condenser on pipeline between machine and oxygen-eliminating device.
Preferably, the steam turbine is equipped with motor.
After using the above structure, conduction oil of the invention exchanges heat energy conserving system compared with prior art, has the following advantages：
System structure is simple and practical, by the reasonable disposition of system, reduces the exhaust gas temperature of heat-conducting oil furnace；Can furnish good supplies to different product
The conduction oil demand of kind and different temperatures.
Description of the drawings
Fig. 1 is present system flow chart.
Wherein：1, circulating fluidized bed boiler, 2, conduction oil flash tank, 3, heat conduction oil tank A, 4, oil-feed pump A, 5, external
Heat conduction oil vaporizer, 6, heat conduction oil tank B, 7, oil-feed pump B, 8, steam flash tank, 9, water water- to-water heat exchanger, 10, oxygen-eliminating device, 11,
Feed pump, 12, condenser, 13, steam turbine, 14, motor, 15, conduction oil user A, 16, conduction oil user B.
Specific implementation mode
The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.
The energy conserving system as shown in Figure 1, conduction oil provided in this embodiment exchanges heat, it includes circulating fluidized bed boiler 1, described
The circuits conduction oil A, the circuits conduction oil B and heat-exchanging loop are communicated in circulating fluidized bed boiler 1.
The circuits the conduction oil A include conduction oil flash tank 2, conduction oil user A15, heat conduction oil tank A3 and oil-feed pump
A4, gas outlet end, conduction oil user A15, heat conduction oil tank A3, the oil-feed pump A4 of conduction oil flash tank 2 pass sequentially through pipeline
Connection, the liquid outlet end of conduction oil flash tank 2 are connected to the pipeline between heat conduction oil tank A3 and oil-feed pump A4, and conduction oil dodges
The arrival end of steaming pot 2 is connected to circulating fluidized bed boiler 1, and the outlet end of oil-feed pump A4 is connected to circulating fluidized bed boiler 1.
External heat conduction oil vaporizer 5, the heat conduction are equipped between the circulating fluidized bed boiler 1 and the circuits conduction oil B
The oily circuits B include conduction oil user B16, heat conduction oil tank B6 and the oil-feed pump B7 being sequentially communicated；External conduction oil evaporates
The gas access of device 5 is connected to circulating fluidized bed boiler 1, and gas-phase heat conducting oil outlet is connected to conduction oil user B16, liquid phase heat conduction
Oil-in is connected to the outlet end of oil-feed pump B7, and supercooling water out is connected to steam flash tank 8.
The heat-exchanging loop includes steam flash tank 8, water water- to-water heat exchanger 9, feed pump 11, oxygen-eliminating device 10 and steam turbine 13, vapour
Machine 13, oxygen-eliminating device 10, feed pump 11, water water- to-water heat exchanger 9 are sequentially communicated, and arrival end and the circulating fluidized bed boiler 1 of steam turbine 13 connect
Logical, the outlet end of water water- to-water heat exchanger 9 is connected to circulating fluidized bed boiler 1；The supercooling water out of external heat conduction oil vaporizer 5
End, steam flash tank 8, water water- to-water heat exchanger 9,10 fluid inlet end of oxygen-eliminating device are sequentially communicated, the gas vent of steam flash tank 8 with
Circulating fluidized bed boiler 1 is connected to；It is communicated with condenser 12 on pipeline between steam turbine 13 and oxygen-eliminating device 10, is set on the steam turbine 13
There is motor 14.
Circulating fluidized bed boiler 1 had not only generated steam but also had generated conduction oil.
Low temperature conduction oil in the circuits conduction oil A is sent into double medium circulation fluidized-bed combustion boilers 1 by oil-feed pump A 4 and is added
Heat, the high temperature heat conductive oil after heating enter conduction oil flash tank 2 and are flashed, and the gas-phase heat conducting oil after flash distillation supplies user A, dodge
Liquid phase heat-conduction oil after steaming by oil-feed pump A 4 is sent into pair medium circulation streams after mix with the low temperature conduction oil after user's A heat exchange
Fluidized bed boiler 1.
Low temperature conduction oil in the circuits conduction oil B is sent into external heat conduction oil vaporizer 5 by oil-feed pump B7, and double media follow
The steam that circulation fluidized bed boiler 1 generates enters external heat conduction oil vaporizer 5 by connecting tube and carries out heating conduction oil, after heating
High temperature gas-phase heat conducting oil supply user B.
Since the heat conduction oil temperature of conduction oil user requirement is generally at 250 DEG C or more, therefore external heat conduction oil vaporizer 5
Water temperature after heat exchange is relatively high, is wasted very much if directly exhausting.After present system exchanges heat external heat conduction oil vaporizer 5
Subcooled water introduces steam flash device 8 by connecting pipe and is flashed, and the saturated vapor after flash distillation enters double medium circulation streams
Fluidized bed boiler 1 is further heated to be superheated steam supply steam turbine 13, and the saturated water after flashing enters water water- to-water heat exchanger 9 and changed
Heat, the subcooled water after heat exchange enter oxygen-eliminating device 10.
The water supply of double medium circulation fluidized-bed combustion boilers 1 is：The exhaust of steam turbine 13 is condensed into water through condenser 12, using except
10 deoxygenation of oxygen device, then water water- to-water heat exchanger 9 is sent to by feed pump 11 and is heated, the hot water after heating is sent into double medium circulation fluidisations
Bed boiler 1.
Claims (2)
- The energy conserving system 1. a kind of conduction oil exchanges heat, it is characterised in that：It includes circulating fluidized bed boiler, the recirculating fluidized bed pot The circuits conduction oil A, the circuits conduction oil B and heat-exchanging loop are communicated on stove, the circuits the conduction oil A include conduction oil flash distillation Tank, conduction oil user A, heat conduction oil tank A and oil-feed pump A, the gas outlet end of conduction oil flash tank, are led conduction oil user A Deep fat storage tank A, oil-feed pump A pass sequentially through pipeline connection, liquid outlet end and heat conduction oil tank A and the oil supply of conduction oil flash tank Pump the pipeline connection between A, the arrival end of conduction oil flash tank is connected to circulating fluidized bed boiler, the outlet end of oil-feed pump A and Circulating fluidized bed boiler is connected to, and external heat conduction oil vaporizer is equipped between the circulating fluidized bed boiler and the circuits conduction oil B, The circuits the conduction oil B include conduction oil user B, heat conduction oil tank B and the oil-feed pump B being sequentially communicated；External conduction oil The gas access of evaporator is connected to circulating fluidized bed boiler, and gas-phase heat conducting oil outlet is connected to conduction oil user B, liquid phase heat conduction Oil-in is connected to the outlet end of oil-feed pump B, and the heat-exchanging loop includes steam flash tank, water water- to-water heat exchanger, feed pump, deoxygenation Device and steam turbine, steam turbine, oxygen-eliminating device, feed pump, water water- to-water heat exchanger are sequentially communicated, and arrival end and the circulating fluidized bed boiler of steam turbine connect It is logical, it is connected to inside the outlet end of water water- to-water heat exchanger and circulating fluidized bed boiler；It is outer by being connected to behind circulating fluidized bed boiler inside The gas access of formula heat conduction oil vaporizer is set, supercooling water outlet end, steam flash tank, the Shui Shui of external heat conduction oil vaporizer are changed Hot device, oxygen-eliminating device fluid inlet end are sequentially communicated, and the gas vent of steam flash tank is connected to circulating fluidized bed boiler；Steam turbine with It is communicated with condenser on pipeline between oxygen-eliminating device.
- The energy conserving system 2. conduction oil according to claim 1 exchanges heat, it is characterised in that：The steam turbine is equipped with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119407.5A CN105605776B (en) | 2016-03-03 | 2016-03-03 | Conduction oil heat exchange energy conserving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119407.5A CN105605776B (en) | 2016-03-03 | 2016-03-03 | Conduction oil heat exchange energy conserving system |
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| CN105605776A CN105605776A (en) | 2016-05-25 |
| CN105605776B true CN105605776B (en) | 2018-08-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827044A (en) * | 2018-07-20 | 2018-11-16 | 哈尔滨锅炉厂有限责任公司 | Two circuit heat-exchange systems and heat-exchange method for biomass fluidized bed gasification furnace |
| CN109084476A (en) * | 2018-08-08 | 2018-12-25 | 华电电力科学研究院有限公司 | A kind of conduction oil heat-exchange system and its working method |
| CN109297192B (en) * | 2018-10-15 | 2024-04-16 | 西子清洁能源装备制造股份有限公司 | Conduction oil heat exchange system with pressure stabilization function |
| CN114442696B (en) * | 2022-01-24 | 2023-05-05 | 成都市绿色快线环保科技有限公司 | Temperature control system and method |
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| CN201852277U (en) * | 2010-11-19 | 2011-06-01 | 王海波 | High-efficiency boiler waste heat recovering device provided with phase change heat exchanger |
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| CN104712432A (en) * | 2015-03-13 | 2015-06-17 | 中国华电工程(集团)有限公司 | Two-stage organic Rankine cycle power generation system utilizing exhaust heat of gas turbine |
| CN105089729A (en) * | 2015-09-06 | 2015-11-25 | 东南大学 | System and method for recycling waste heat of two-stage efficient circulation evaporation organic Rankine cycle coal-fired flue gas |
| CN205403150U (en) * | 2016-03-03 | 2016-07-27 | 杭州锅炉集团股份有限公司 | Conduction oil heat exchange energy conservation system |
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2016
- 2016-03-03 CN CN201610119407.5A patent/CN105605776B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149183A1 (en) * | 1981-12-11 | 1983-06-30 | Otto 2880 Brake Janßen | Heating installation |
| JPH0949610A (en) * | 1995-08-07 | 1997-02-18 | Babcock Hitachi Kk | Combustion device |
| CN201837064U (en) * | 2010-09-14 | 2011-05-18 | 王海波 | Highly-efficiently waste heat recovery system with organic heat carrier boiler |
| CN201852277U (en) * | 2010-11-19 | 2011-06-01 | 王海波 | High-efficiency boiler waste heat recovering device provided with phase change heat exchanger |
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| CN104712432A (en) * | 2015-03-13 | 2015-06-17 | 中国华电工程(集团)有限公司 | Two-stage organic Rankine cycle power generation system utilizing exhaust heat of gas turbine |
| CN105089729A (en) * | 2015-09-06 | 2015-11-25 | 东南大学 | System and method for recycling waste heat of two-stage efficient circulation evaporation organic Rankine cycle coal-fired flue gas |
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Address after: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee after: Xizi clean energy equipment manufacturing Co.,Ltd. Address before: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee before: HANGZHOU BOILER GROUP Co.,Ltd. |