CN202544944U - Screw expansion power generation device - Google Patents

Screw expansion power generation device Download PDF

Info

Publication number
CN202544944U
CN202544944U CN2012200401681U CN201220040168U CN202544944U CN 202544944 U CN202544944 U CN 202544944U CN 2012200401681 U CN2012200401681 U CN 2012200401681U CN 201220040168 U CN201220040168 U CN 201220040168U CN 202544944 U CN202544944 U CN 202544944U
Authority
CN
China
Prior art keywords
screw expansion
generating device
electricity generating
links
screw
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
CN2012200401681U
Other languages
Chinese (zh)
Inventor
赵海凡
苏海军
黄铭庆
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.)
XIAMEN GAOPU SCIENCE TECHNOLOGY Co Ltd
Original Assignee
XIAMEN GAOPU SCIENCE 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 XIAMEN GAOPU SCIENCE TECHNOLOGY Co Ltd filed Critical XIAMEN GAOPU SCIENCE TECHNOLOGY Co Ltd
Priority to CN2012200401681U priority Critical patent/CN202544944U/en
Application granted granted Critical
Publication of CN202544944U publication Critical patent/CN202544944U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The utility model discloses a screw expansion power generation device which comprises a screw expansion power machine, a speed reducer, an electrical generator and a grid connection cabinet, wherein an output shaft of the screw expansion power machine is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with an input shaft of the electrical generator; and the electrical generator is electrically connected with the grid connection cabinet, and a steam inlet of the screw expansion power machine is provided with a steam pipeline. The screw expansion power generation device is simple in structure and convenient to implement, and can effectively use low pressure saturated steam afterheat above 0.2MPa generated by fume afterheat below 300 DEG C to generate power, and thus the energy utilization rate can be improved, the manufacturing cost is lowered, emission of carbon dioxide and various harmful gases can be reduced, and double economic and social benefits are achieved.

Description

The screw expansion electricity generating device
Technical field
The utility model relates to a kind of power generating equipment, and concrete is a kind of screw expansion electricity generating device that utilizes the low-pressure saturated steam waste heat to generate electricity.
Background technique
Because China industrial equipment falls behind, energy utilization rate is low, and like industries such as chemical industry, oil, building materials, light textile, metallurgy, power, food, papermaking and electronic apparatus, a large amount of direct emptying of heat energy capable of using in the production had not only wasted energy but also befouling environment.If the heat energy recycle with waste can not only improve energy utilization rate, reduce production costs, and can reduce carbon dioxide and various discharge of harmful gases, have economical and social double benefit.
In industries such as iron and steel, building materials, chemical industry and petrochemical industry; A large amount of fume afterheat more than 300 ℃ and most high-quality steam have all obtained utilization; And the fume afterheat and the low-grade middle small flow saturated vapour overwhelming majority that are lower than below 300 ℃ all are not utilized; The characteristics of this part waste heat are low, the fluctuations of temperature levels, and it is big to recycle difficulty.Yet, in today of energy scarcity, satisfying under the condition of production technology the heat of realizing recycling this part, and be used for producing or life, can reduce harmful effect to environment, have great significance.
Given this; The utility model is intended to explore a kind of screw expansion electricity generating device; The above low-pressure saturated steam waste heat of 0.2MPa that this screw expansion electricity generating device can effectively utilize the fume afterheat below 300 ℃ to produce generates electricity, and not only can improve energy utilization rate, reduces production costs; And can reduce carbon dioxide and various discharge of harmful gases, have economical and social double benefit.
Summary of the invention
The technical problem that the utility model will solve is to propose a kind of screw expansion electricity generating device; This screw expansion electricity generating device is not only simple in structure, and it is convenient to implement, and the above low-pressure saturated steam waste heat of 0.2MPa that can effectively utilize the fume afterheat below 300 ℃ to produce generates electricity; Can improve energy utilization rate; Reduce production costs, and can reduce carbon dioxide and various discharge of harmful gases, have economical and social double benefit.
Realize above-mentioned technical purpose; The screw expansion electricity generating device of the utility model; Comprise screw expansion motor, retarder, generator and the cabinet that is incorporated into the power networks, the output shaft of said screw expansion motor links to each other with said input shaft of speed reducer, and the output shaft of said retarder links to each other with the input shaft of said generator; And said generator is electrically connected with the said cabinet that is incorporated into the power networks, and the steam inlet of said screw expansion motor is provided with steam line.
Further, also comprise the vapour condenser that is used for condensation general vapour of generation after said screw expansion motor acting, said vapour condenser links to each other with said screw expansion motor;
Further, also comprise the vapor extractor that links to each other with said vapour condenser;
Further, also comprise the cooling tower that is used to cool off the backwater that after said screw expansion motor acting, produces, the outlet pipe of said cooling tower links to each other with said vapour condenser, and said cooling tower outlet pipe is provided with circulating water pump;
Further, the outlet conduit of said vapour condenser is provided with condensate pump;
Further, also comprise control cabinet, said control cabinet is electrically connected with said screw expansion motor, vapor extractor, circulating water pump and condensate pump respectively;
Further, said steam line is provided with stop valve and modulating valve.
The beneficial effect of the utility model is:
1, the screw expansion electricity generating device of the utility model is through being provided with screw expansion motor, and the thermal power transfer of the low-pressure saturated steam that screw expansion motor will be got into by steam line is a mechanical energy, and drives retarder and generator rotary electrification; Convert mechanical energy into electric energy, generator for electricity generation exports the user to via the cabinet that is incorporated into the power networks, the low-pressure saturated steam more than the 0.2MPa that low-pressure saturated steam can produce for the fume afterheat that utilizes below 300 ℃; Therefore; The screw expansion electricity generating device of the utility model is not only simple in structure, and it is convenient to implement, and the above low-pressure saturated steam waste heat of 0.2MPa that can effectively utilize the fume afterheat below 300 ℃ to produce generates electricity; Can improve energy utilization rate; Reduce production costs, and can reduce carbon dioxide and various discharge of harmful gases, have economical and social double benefit;
2, can effectively the general vapour that after the screw expansion motor acting, produces be carried out condensation through vapour condenser is set, and be used for vapour condenser is vacuumized, increase the condensation efficiency of vapour condenser through vapor extractor is set; Through the backwater that the cooling tower cooling produces after the screw expansion motor acting is set, cooled backwater injects vapour condenser through circulating water pump, and extracts the process units recycle to low-pressure saturated steam by condensate pump, forms water cycle.
Description of drawings
Fig. 1 is the utility model screw expansion electricity generating device embodiment's a schematic diagram.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model.
As shown in Figure 1, be the utility model screw expansion electricity generating device embodiment's schematic diagram.The screw expansion electricity generating device of present embodiment; Comprise screw expansion motor 1, retarder 5, generator 6 and the cabinet 7 that is incorporated into the power networks; The output shaft of said screw expansion motor 1 links to each other with the input shaft of said retarder 5; The output shaft of said retarder 5 links to each other with the input shaft of said generator 6; And said generator 6 is electrically connected with the said cabinet 7 that is incorporated into the power networks, and will be delivered to the user via circuit 8 by the electric energy that generator 6 produces, and the steam inlet of said screw expansion motor 1 is provided with steam line 3 and is used in screw expansion motor 1, injecting low-pressure saturated steam.
The screw expansion electricity generating device of present embodiment is through being provided with screw expansion motor 1, and the thermal power transfer of the low-pressure saturated steam that screw expansion motor 1 will be got into by steam line 3 is a mechanical energy, and drives retarder 5 and generator 6 rotary electrifications; Convert mechanical energy into electric energy, generator 6 generatings export the user to via the cabinet 7 that is incorporated into the power networks, the low-pressure saturated steam more than the 0.2MPa that low-pressure saturated steam can produce for the fume afterheat that utilizes below 300 ℃; Therefore; The screw expansion electricity generating device of present embodiment is not only simple in structure, and it is convenient to implement, and the above low-pressure saturated steam waste heat of 0.2MPa that can effectively utilize the fume afterheat below 300 ℃ to produce generates electricity; Can improve energy utilization rate; Reduce production costs, and can reduce carbon dioxide and various discharge of harmful gases, have economical and social double benefit.
Further; The screw expansion electricity generating device of present embodiment also comprises the vapour condenser 14 that is used for condensation general vapour of generation after said screw expansion motor 1 acting; Said vapour condenser 14 links to each other with said screw expansion motor 1, can effectively the general vapour that after screw expansion motor 1 acting, produces be condensed into liquid water through vapour condenser 14 is set.Preferably, the screw expansion electricity generating device of present embodiment also comprises the vapor extractor 15 that links to each other with said vapour condenser 14, and vapor extractor 15 is used for vapour condenser 14 is vacuumized, and makes that the condensation efficiency of vapour condenser 14 is higher.
Further; The screw expansion electricity generating device of present embodiment also comprises the cooling tower 11 that is used to cool off the backwater that after said screw expansion motor 1 acting, produces; The water inlet pipe 12 of said cooling tower 11 links to each other with screw expansion motor 1; The outlet pipe 13 of cooling tower 11 links to each other with said vapour condenser 14, and said cooling tower 11 outlet pipes 13 are provided with circulating water pump 17, through cooling tower 11 is set; Can effectively the backwater that after screw expansion motor 1 acting, produces be cooled off, cooled backwater is delivered to the condensed water mixing for standby use in vapour condenser 14 and the vapour condenser via circulating water pump 17.Preferably, the outlet conduit 9 of said vapour condenser 14 is provided with condensate pump 16, through condensate pump 16 is set, can will converge in the process units recycle of the low-pressure saturated steam that the water in the vapour condenser 14 pump, and realizes water cycle.
Further; The screw expansion electricity generating device of present embodiment also comprises control cabinet 10; Said control cabinet 10 is electrically connected with said screw expansion motor 1, vapor extractor 15, circulating water pump 17 and condensate pump 16 respectively; Through control cabinet 10 is set, can conveniently control the work of screw expansion motor 1, vapor extractor 15, circulating water pump 17 and condensate pump 16.
Further, said steam line 3 is provided with stop valve 4 and modulating valve 2, can effectively regulate or close the low-pressure saturated steam that gets into screw expansion motor 1 through stop valve 4 is set with modulating valve 2.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims (7)

1. screw expansion electricity generating device; It is characterized in that: comprise screw expansion motor, retarder, generator and the cabinet that is incorporated into the power networks; The output shaft of said screw expansion motor links to each other with said input shaft of speed reducer; The output shaft of said retarder links to each other with the input shaft of said generator, and said generator is electrically connected with the said cabinet that is incorporated into the power networks, and the steam inlet of said screw expansion motor is provided with steam line.
2. screw expansion electricity generating device according to claim 1 is characterized in that: also comprise the vapour condenser that is used for condensation general vapour of generation after said screw expansion motor acting, said vapour condenser links to each other with said screw expansion motor.
3. screw expansion electricity generating device according to claim 2 is characterized in that: also comprise the vapor extractor that links to each other with said vapour condenser.
4. screw expansion electricity generating device according to claim 2; It is characterized in that: also comprise the cooling tower that is used to cool off the backwater that after said screw expansion motor acting, produces; The outlet pipe of said cooling tower links to each other with said vapour condenser, and said cooling tower outlet pipe is provided with circulating water pump.
5. according to each described screw expansion electricity generating device of claim 2-4, it is characterized in that: the outlet conduit of said vapour condenser is provided with condensate pump.
6. screw expansion electricity generating device according to claim 5 is characterized in that: also comprise control cabinet, said control cabinet is electrically connected with said screw expansion motor, vapor extractor, circulating water pump and condensate pump respectively.
7. screw expansion electricity generating device according to claim 5 is characterized in that: said steam line is provided with stop valve and modulating valve.
CN2012200401681U 2012-02-06 2012-02-06 Screw expansion power generation device Expired - Fee Related CN202544944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200401681U CN202544944U (en) 2012-02-06 2012-02-06 Screw expansion power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200401681U CN202544944U (en) 2012-02-06 2012-02-06 Screw expansion power generation device

Publications (1)

Publication Number Publication Date
CN202544944U true CN202544944U (en) 2012-11-21

Family

ID=47165595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200401681U Expired - Fee Related CN202544944U (en) 2012-02-06 2012-02-06 Screw expansion power generation device

Country Status (1)

Country Link
CN (1) CN202544944U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109292902A (en) * 2018-11-02 2019-02-01 江西晶昊盐化有限公司 A kind of ammonia-soda process solvay liquor heat recovery technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109292902A (en) * 2018-11-02 2019-02-01 江西晶昊盐化有限公司 A kind of ammonia-soda process solvay liquor heat recovery technology

Similar Documents

Publication Publication Date Title
CN202732203U (en) Novel hydropower station
CN107144146B (en) Tank calciner waste heat utilization system based on mother pipe
CN203925625U (en) Waste heat of coke oven crude gas reclaims power generation system
CN202417632U (en) Energy-recovery steam turbine electricity generating and drive compressor sets sharing auxiliary machine system
CN103696817B (en) Power generating device and method using melting slag heat energy
CN106939801A (en) A kind of progressive solution system and method for waste heat overbottom pressure cascade utilization
CN106988810A (en) The multi-stage heating system and method for a kind of waste heat overbottom pressure cascade utilization
CN110078904B (en) Polyester esterification steam waste heat utilization method and device
CN102359400B (en) Comprehensive utilization system for waste heat steam of steel enterprise
CN101539036A (en) Device for generating power from flue gas waste heat of aluminum cells on the basis of organic Rankine cycle
CN101769179A (en) Environment-friendly energy conservation and emission reduction system
CN202544944U (en) Screw expansion power generation device
CN204175347U (en) A kind of printing and dyeing workshop low pressure steam electricity generating device
CN107166979B (en) Comprehensive utilization system for waste heat of calciner in carbon plant
CN105317474A (en) Power plant system with additional steam turbine and variable frequency auxiliary machines and control method
CN202030802U (en) Flue gas waste heat utilization device of steel-rolling heating furnace
CN101793466A (en) Power-generating boiler capable of cooling steel products and recovering afterheat in steelmaking and steel-rolling process
CN204436489U (en) A kind of magnetic-suspension high-speed turbine organic Rankine cycle power generation system
CN203756251U (en) Generating set capable of utilizing melting steel slag thermal energy
CN201865713U (en) Waste heat utilization system
CN201671663U (en) Energy recovery heat electric tri-generation and tri-machine coaxial steam turbine driving unit
CN201747418U (en) Generator set of screw expansion power machine
CN201680735U (en) Power generation boiler with steel cooling and waste heat recovery functions during steelmaking and steel rolling process
CN204212821U (en) Screw expansion motor generator set
CN207004591U (en) A kind of low-temperature cogeneration device for lime burning process

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121121

Termination date: 20150206

EXPY Termination of patent right or utility model