CN207740054U - A kind of pressure and temperature reducing formula steam waste heat electricity generation system - Google Patents

A kind of pressure and temperature reducing formula steam waste heat electricity generation system Download PDF

Info

Publication number
CN207740054U
CN207740054U CN201721726372.8U CN201721726372U CN207740054U CN 207740054 U CN207740054 U CN 207740054U CN 201721726372 U CN201721726372 U CN 201721726372U CN 207740054 U CN207740054 U CN 207740054U
Authority
CN
China
Prior art keywords
pipe
steam
relief pipe
pressure
main
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.)
Expired - Fee Related
Application number
CN201721726372.8U
Other languages
Chinese (zh)
Inventor
闫静文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Kangisen Energy Saving Environmental Protection Technology Co Ltd
Original Assignee
Beijing Kangisen Energy Saving Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Kangisen Energy Saving Environmental Protection Technology Co Ltd filed Critical Beijing Kangisen Energy Saving Environmental Protection Technology Co Ltd
Priority to CN201721726372.8U priority Critical patent/CN207740054U/en
Application granted granted Critical
Publication of CN207740054U publication Critical patent/CN207740054U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Abstract

The utility model provides a kind of pressure and temperature reducing formula steam waste heat electricity generation system, including steam main pipe and the first relief pipe, and first relief pipe leads to delivery pipe, and is provided with the mechanism of decompressor on the first relief pipe;First relief pipe is connect with steam main pipe, and main vapour isolating valve and decompression valve are provided on the first relief pipe;The second relief pipe being connected in parallel with the first relief pipe is provided between the steam main pipe and delivery pipe, main vapour isolating valve, main steam quick-closing valve, main steam control valve, turbine set and the mechanism of decompressor are disposed on second relief pipe, the turbine set is connected by retarder with generator.This system, by converting the energy of high steam to the reduction that electric energy realizes pressure, the energy being sufficiently used in steam avoids the energy total loss in pressure process from falling, and electricity can be used for factory's use, reduce electric cost.

Description

A kind of pressure and temperature reducing formula steam waste heat electricity generation system
Technical field
The utility model is related to boiler plant field, especially a kind of pressure and temperature reducing formula steam waste heat electricity generation system.
Background technology
In chemical process, process unit generally requires the steam of different pressures grade, typically generates boiler High steam be decompressed to several different grades of pressure, then the steam of different pressures is delivered to by correspondence by corresponding pipeline Device, while the steam of device itself by-product is also incorporated into pipe network.But in fact, during steam pressure-reducing, high-grade energy The energy level of amount reduces, and pressure difference can be lost in vain, cause great energy waste.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pressure and temperature reducing formula steam waste heat electricity generation systems, are dropping The energy of steam can be effectively utilized during low vapor pressure, reduce energy loss.
Technical solution adopted by the utility model to solve its technical problems is:A kind of pressure and temperature reducing formula steam waste heat power generation System, including steam main pipe and the first relief pipe, first relief pipe leads to delivery pipe, and is provided with and subtracts on the first relief pipe Press mechanism;
First relief pipe is connect with steam main pipe, and main vapour isolating valve and decompression adjusting are provided on the first relief pipe Valve;The second relief pipe being connected in parallel with the first relief pipe is provided between the steam main pipe and delivery pipe, described second subtracts Main vapour isolating valve, main steam quick-closing valve, main steam control valve, turbine set and the mechanism of decompressor, the turbine are disposed in pressure pipe Unit is connected by retarder with generator.
Further, the turbine set includes the multiple turbines being connected in series with, and passes through pipeline phase between adjacent two turbine Even, and each turbine is connected with drain pipe, and the drain pipe leads to drain tank.
Further, flowmeter and steam strainer are provided on first relief pipe and the second relief pipe.
Further, the mechanism of decompressor of the first relief pipe and the second relief pipe includes desuperheat water pipe, the desuperheat water pipe One end be connected with the first relief pipe or the second relief pipe, the other end is connected with desuperheating water main pipe, is set on the desuperheat water pipe It is equipped with Desuperheating water regulating valve.
Further, pressure detecting point is provided in the delivery pipe.
The utility model has the beneficial effects that:Utilize the wheel rotation of the Steam Actuation turbine set of high pressure, turbine set Electrical power generators, the pressure reduction of steam are driven to enter delivery pipe after adjusting temperature to desired value using the mechanism of decompressor, by Delivery pipe is delivered to the corresponding steam pipe network of factory.This system realizes pressure by converting the energy of high steam to electric energy Reduction, the high-grade energy being sufficiently used in steam avoids the energy total loss in pressure process from falling, and electricity can It is used for factory, reduces electric cost;Since the first relief pipe and the second relief pipe are connected in parallel, when turbine set is shut down When, the mechanism of decompressor switched on the first original relief pipe can be interlocked and depressurized, the normal supply of steam is not interfered with.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of pressure and temperature reducing formula steam waste heat electricity generation system of the utility model, including 1 He of steam main pipe First relief pipe 2, first relief pipe 2 are connect with steam main pipe 1, and main 5 He of vapour isolating valve is provided on the first relief pipe 2 Decompression valve 19.First relief pipe 2 leads to delivery pipe 3, and is provided with the mechanism of decompressor on the first relief pipe 2.Steam is female Pipe 1 is connected with boiler, is mainly used for drawing the high steam in boiler.First relief pipe 2 is connected with steam main pipe 1, passes through The mechanism of decompressor adjusts the pressure of high steam to desired value, then the steam after decompression is delivered to delivery pipe 3, and delivery pipe 3 will Steam is delivered to the corresponding steam pipe network of plant area.More first relief pipes 2 and delivery pipe 3 can be set, high steam is decompressed to not Same pressure value, is then sent to steam pipe networks at different levels.
The second relief pipe 4 being connected in parallel with the first relief pipe 2, institute are provided between the steam main pipe 1 and delivery pipe 3 State be disposed on the second relief pipe 4 on second relief pipe 4 be disposed with main vapour isolating valve 5, main steam quick-closing valve 18, Main steam control valve 20, turbine set 6 and the mechanism of decompressor, the turbine set 6 are connected by retarder 7 with generator 8.Every One relief pipe 2, one second relief pipe 4 in parallel, when the turbine set 6 on the second relief pipe 4 works, the decompression tune of the first relief pipe 2 It saves valve 19 to close, pushes the wheel rotation of turbine set 6 to generate electricity using high steam, while the pressure of steam reduces, then Enter delivery pipe 3 after temperature to be adjusted steam to desired value to by the mechanism of decompressor on the second relief pipe 4, what generator 8 was sent out Electricity is connected to plant area's system voltage bus section, busbar section by grid-connection cabinet, is used for factory.When turbine set 6 is shut down, main vapour speed is closed Valve 18 is automatically closed, while interlocking the decompression valve 19 for opening the first relief pipe 2, can be used on the first original relief pipe 2 The mechanism of decompressor depressurized, do not interfere with the normal supply of steam.
The turbine set 6 includes the multiple turbines being connected in series with, and is connected by pipeline between adjacent two turbine, and each Turbine is connected with drain pipe 9, and the drain pipe 9 leads to drain tank 10.Multiple turbines are set, and the pressure of steam is gradually reduced, has Conducive to the energy in more abundant recovered steam.The water that steam liquefied generates in turbine is discharged by drain pipe 9.
Flowmeter 11 and steam strainer 12, flowmeter 11 and filter vapour are provided on first relief pipe, 2 and second relief pipe 4 Device 12 is the common components in existing vapour system, is mainly used for controlling steam flow and filters steam.
The mechanism of decompressor of first relief pipe 2 and the second relief pipe 4 include desuperheat water pipe 13, the one of the desuperheat water pipe 13 End is connected with the first relief pipe 2 or the second relief pipe 4, and the other end is connected with desuperheating water main pipe 14, on the desuperheat water pipe 13 It is provided with Desuperheating water regulating valve 15.Desuperheating water main pipe 14 and it is connected to plant area's high pressure desuperheating water, the lower water of temperature is passed through steam In after absorb steam heat, itself evaporation, the pressure reduction of steam, by Desuperheating water regulating valve 15 control water intake, To control the temperature and pressure of steam.
Pressure detecting point 16 is provided in the delivery pipe 3, whether the pressure for detecting steam is up to standard.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of pressure and temperature reducing formula steam waste heat electricity generation system, including steam main pipe (1) and the first relief pipe (2), described first Relief pipe (2) leads to delivery pipe (3), and is provided with the mechanism of decompressor on the first relief pipe (2);It is characterized in that:
First relief pipe (2) connect with steam main pipe (1), and be provided on the first relief pipe (2) main vapour isolating valve (5) and Decompression valve (19);It is provided between the steam main pipe (1) and delivery pipe (3) and is connected in parallel with the first relief pipe (2) Second relief pipe (4) is disposed with main vapour isolating valve (5), main steam quick-closing valve (18), main vapour on second relief pipe (4) Regulating valve (20), turbine set (6) and the mechanism of decompressor, the turbine set (6) are connected by retarder (7) with generator (8).
2. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:The turbine set (6) include the multiple turbines being connected in series with, be connected by pipeline between adjacent two turbine, and each turbine is connected with drain pipe (9), the drain pipe (9) leads to drain tank (10).
3. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:First decompression It is provided with flowmeter (11) and steam strainer (12) on pipe (2) and the second relief pipe (4).
4. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as claimed in claim 1,2 or 3, it is characterised in that:First subtracts The mechanism of decompressor of pressure pipe (2) and the second relief pipe (4) includes desuperheat water pipe (13), one end of the desuperheat water pipe (13) and the One relief pipe (2) or the second relief pipe (4) are connected, and the other end is connected with desuperheating water main pipe (14), the desuperheat water pipe (13) On be provided with Desuperheating water regulating valve (15).
5. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:The delivery pipe (3) pressure detecting point (16) is provided on.
CN201721726372.8U 2017-12-12 2017-12-12 A kind of pressure and temperature reducing formula steam waste heat electricity generation system Expired - Fee Related CN207740054U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721726372.8U CN207740054U (en) 2017-12-12 2017-12-12 A kind of pressure and temperature reducing formula steam waste heat electricity generation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721726372.8U CN207740054U (en) 2017-12-12 2017-12-12 A kind of pressure and temperature reducing formula steam waste heat electricity generation system

Publications (1)

Publication Number Publication Date
CN207740054U true CN207740054U (en) 2018-08-17

Family

ID=63117863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721726372.8U Expired - Fee Related CN207740054U (en) 2017-12-12 2017-12-12 A kind of pressure and temperature reducing formula steam waste heat electricity generation system

Country Status (1)

Country Link
CN (1) CN207740054U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990202A (en) * 2019-03-19 2019-07-09 华电电力科学研究院有限公司 A pressure regulating system and method for power generation based on steam residual pressure
CN114352364A (en) * 2021-07-22 2022-04-15 杭州绿能环保发电有限公司 Main steam temperature control device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109990202A (en) * 2019-03-19 2019-07-09 华电电力科学研究院有限公司 A pressure regulating system and method for power generation based on steam residual pressure
CN114352364A (en) * 2021-07-22 2022-04-15 杭州绿能环保发电有限公司 Main steam temperature control device
CN114352364B (en) * 2021-07-22 2023-11-21 杭州绿能环保发电有限公司 Main steam temperature control device

Similar Documents

Publication Publication Date Title
CN111852597A (en) Variable parameter multivariate cascade thermo-decoupling system and adjustment method for thermal power heating unit
CN104005801B (en) A kind of low pressure steam Differential pressure power generation system and reuse steam back pressure control method thereof
CN103696819B (en) Steam turbine high low pressure two-stage extraction steam for factories heating arrangement
CN106194297A (en) The double branch road heating system of a kind of cogeneration turbine
CN206195360U (en) A electric power storage primary control system for thermal power factory
CN104405459A (en) Backpressure machine acting and heat supply device for steam exhaust heat supply network of intermediate pressure cylinder of steam turbine
KR20150083374A (en) Apparatus and method for reactor power control of steam turbine power generation system
CN108468574A (en) A kind of system for realizing three kinds of state switchover operations of thermoelectricity unit
CN103398005A (en) Straight condensing car driving water-feeding pump system and method adopting variable-frequency power generator for speed regulation
CN207740054U (en) A kind of pressure and temperature reducing formula steam waste heat electricity generation system
CN108104888B (en) Power grid frequency modulation system and method based on frequency modulation bypass
CN204299632U (en) For back pressure machine acting and the heating arrangement of Steam Turbine Through IP Admission steam discharge heating network
CN108194151A (en) A kind of turbine shaft gland sealing steam supply regulating device and method
CN204552846U (en) A kind of back pressure steam turbines utilization system
CN106246251B (en) Combined cycle thermoelectric co-feeding system and its height arrange control method of drawing gas
CN108153256B (en) Multi-unit gas and steam combined cycle power station load control method
CN203517758U (en) Small flow control structure of temperature and pressure reducer
CN203081518U (en) Low-pressure heater large bypass adjusting device used for power grid dispatching fine adjustment
CN102313275B (en) Thermal power energy-saving process and system
CN206190339U (en) Two branch road heating system of cogeneration steam turbine
CN208380644U (en) A kind of threeway jet stream pressure and temperature reducing control system for heat supply network heat supply
CN202381311U (en) Automatic control system based on condensate pump of 9F-level gas-steam combined unit
CN208982123U (en) A kind of system for realizing three kinds of state switchover operations of thermoelectricity unit
CN207715198U (en) A kind of condensing turbine group based on sorption type heat pump
CN204572088U (en) A kind of electricity generating device utilizing superheated vapor energy more than needed

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180817

CF01 Termination of patent right due to non-payment of annual fee