CN108590788B - Comprehensive utilization system for energy of steam turbine of thermal power plant - Google Patents
Comprehensive utilization system for energy of steam turbine of thermal power plant Download PDFInfo
- Publication number
- CN108590788B CN108590788B CN201810638935.0A CN201810638935A CN108590788B CN 108590788 B CN108590788 B CN 108590788B CN 201810638935 A CN201810638935 A CN 201810638935A CN 108590788 B CN108590788 B CN 108590788B
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- Prior art keywords
- section
- sleeve
- conveying
- connector
- main shaft
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 26
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 9
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Abstract
The invention relates to a comprehensive utilization system of energy of a turbine of a thermal power plant, and belongs to the field of thermal power generation. According to the invention, the conveying screw is arranged on the conveying main shaft, the conveying screw is positioned in a conveying pipeline, the inside of the conveying main shaft and the inside of the conveying screw are of a cavity structure, the inside of the main shaft is communicated with the inside of the conveying screw, a spraying hole is formed in the conveying screw, a feed inlet and a discharge outlet are formed in the conveying pipeline, the conveying main shaft comprises a feed section, an extrusion section and a discharge section, the feed inlet is positioned above the feed section, the discharge outlet is positioned below the discharge section, one end of the feed section is of a sealing structure, one end of the feed section is connected with a turbine body, the other end of the feed section is connected with one end of the extrusion section, the other end of the extrusion section is connected with one end of the discharge section, the other end of the discharge section is of an opening structure, the other end of the discharge section is communicated with a water pump through a connector, a sleeve is sleeved on the discharge section, and the sleeve is connected with the connector. Energy saving and environmental protection, and improves the comprehensive utilization rate of coal.
Description
Technical Field
The invention relates to a comprehensive utilization system of energy of a turbine of a thermal power plant, and belongs to the field of thermal power generation.
Background
The turbine is often used in steamship, power plant or other large-sized equipment, and is also called steam turbine engine, which is a rotary steam power device, and high-temperature and high-pressure steam is sprayed onto blades after passing through a fixed nozzle to become accelerated airflow, so that a rotor with blade rows rotates and simultaneously does work to the outside.
In view of this, patent document No. 201410737965.9 discloses a waste heat utilization system of a steam turbine of a thermal power plant, which includes a condenser, a primary circulating water attemperator, a secondary circulating water attemperator, and a cooling tower; the shell side inlet of the condenser is connected with exhaust steam of the steam turbine, the tube side outlet of the condenser is sequentially connected with the secondary circulating water attemperator, the cooling tower and the primary circulating water attemperator, and the primary circulating water attemperator is connected with the tube side inlet of the condenser to form a circulating water loop; the primary circulating water attemperator and the secondary circulating water attemperator are also connected in series on a tap water pipeline in sequence. The comparison document has the defects of high energy utilization rate, high environmental pollution, low working efficiency and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the comprehensive energy utilization system of the steam turbine of the thermal power plant, which has reasonable structural design.
The invention solves the problems by adopting the following technical scheme: this turbine energy comprehensive utilization system of thermal power plant, including boiler, SCR reactor, air preheater, dust remover, desulfurizing tower and the chimney that communicate in proper order through the flue, its characterized in that: the steam pipe of the boiler is connected with the steam turbine body, the conveying extrusion device comprises a conveying pipe, a conveying main shaft and a conveying screw, and the spraying device comprises a water pump, a joint and a sleeve; the conveying screw is arranged on the conveying main shaft, the conveying screw is arranged in a conveying pipeline, the inside of the conveying main shaft and the inside of the conveying screw are of a cavity structure, the inside of the main shaft is communicated with the inside of the conveying screw, a spraying hole is formed in the conveying screw, a feeding port and a discharging port are formed in the conveying pipeline, the conveying main shaft comprises a feeding section, an extruding section and a discharging section, the feeding port is arranged above the feeding section, the discharging port is arranged below the discharging section, one end of the feeding section is of a sealing structure, one end of the feeding section is connected with a turbine body, the other end of the feeding section is connected with one end of the extruding section, the other end of the extruding section is connected with one end of the discharging section, the other end of the discharging section is of an opening structure, the other end of the discharging section is communicated with a water pump through a joint, and the sleeve is sleeved on the discharging section and connected with the joint. Greatly improves the working efficiency, saves energy, protects environment and improves the comprehensive utilization rate of coal.
Further, connect including connecting body, stopper, joint direction section, joint locking section, recess and lug, the sleeve pipe includes sleeve pipe body, spacing ring, sleeve pipe direction section and sleeve pipe locking section, the stopper sets up the other end at the ejection of compact section, the recess sets up on the stopper, the lug inlays in the recess, the lug sets up the one end at the joint body, the other end and the water pump intercommunication that connect the body, joint direction section and joint locking section all set up on the joint body, sleeve pipe body suit is on the ejection of compact section, spacing ring, sleeve pipe direction section and sleeve pipe locking section all set up on the sleeve pipe body, spacing ring and stopper butt, sleeve pipe direction section and joint direction section contact, sleeve pipe locking section is connected with joint locking section.
Further, the groove is an annular groove, and the lug is an annular lug.
Further, the joint locking section is provided with external threads, the sleeve locking section is provided with internal threads, and the joint locking section is connected with the sleeve locking section through threads.
Further, the limiting block and the conveying main shaft are of an integrated structure.
Further, the shape of the feeding section and the shape of the discharging section are cylindrical, the diameter of the feeding section is smaller than that of the discharging section, and the shape of the extruding section is a truncated cone.
Further, a blanking valve is arranged on the discharge hole.
Further, one end of the feeding section is connected with a main shaft of the steam turbine body.
Further, the water pump is communicated with the water tank through a water pipe.
Compared with the prior art, the invention has the following advantages: can carry extrusion device through steam turbine drive in thermal power plant to carry the coal, can carry extrusion device to smash the great coal cinder of volume in the coal with doping through carrying at the in-process of carrying, can guarantee to increase the humidity to the coal in the pipeline through spray set at the in-process of carrying spiral pivoted, great improvement work efficiency, it is energy-concerving and environment-protective, improved the comprehensive utilization rate of coal, the dismouting of water pump and the conveying main shaft in the device is also more convenient in addition, and the sealing performance of junction is good, the condition that can not take place to leak.
Drawings
Fig. 1 is a schematic diagram of connection relation of a turbine energy comprehensive utilization system of a thermal power plant according to an embodiment of the present invention.
Fig. 2 is a schematic diagram showing an assembled front view of a conveying and extruding device and a spraying device according to an embodiment of the present invention.
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 2.
Fig. 4 is an enlarged view of the B section in fig. 3.
In the figure: the steam turbine body 1, the conveying extrusion device 2, the spraying device 3, the blanking valve 4, the boiler 5, the SCR reactor 6, the air preheater 7, the dust remover 8, the desulfurizing tower 9, the chimney 10, the flue 101, the conveying pipeline 21, the conveying main shaft 22, the conveying screw 23, the feeding port 24, the discharging port 25, the feeding section 26, the extrusion section 27, the discharging section 28, the spraying hole 29, the water pump 31, the joint 32, the sleeve 33, the joint body 321, the limiting block 322, the joint guide section 323, the joint locking section 324, the groove 325, the convex block 326, the sleeve body 331, the limiting ring 332, the sleeve guide section 333 and the sleeve locking section 334.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
Referring to fig. 1 to 4, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present invention without affecting the efficacy and achievement of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "a" are used for descriptive purposes only and are not intended to limit the scope of the invention, but are also intended to be within the scope of the invention without any substantial modification to the technical content.
The comprehensive utilization system of the turbine energy of the thermal power plant in the embodiment comprises a turbine body 1, a conveying extrusion device 2, a spraying device 3, a boiler 5, an SCR reactor 6, an air preheater 7, a dust remover 8, a desulfurizing tower 9 and a chimney 10 which are sequentially communicated through a flue 101, wherein a steam pipeline of the boiler 5 is connected with the turbine body 1, the conveying extrusion device 2 comprises a conveying pipeline 21, a conveying main shaft 22 and a conveying screw 23, and the spraying device 3 comprises a water pump 31, a joint 32 and a sleeve 33; the conveying screw 23 is installed on conveying main shaft 22, conveying screw 23 is located conveying pipeline 21, the inside of conveying main shaft 22 and the inside of conveying screw 23 are cavity structure, and the inside of main shaft 22 communicates with the inside of conveying screw 23, be provided with on the conveying screw 23 and spray hole 29, be provided with feed inlet 24 and discharge gate 25 on the conveying pipeline 21, conveying main shaft 22 includes feed section 26, extrusion section 27 and ejection of compact section 28, feed inlet 24 is located the top of feed section 26, the discharge gate 25 is located the below of ejection of compact section 28, the one end of feed section 26 is seal structure, and the one end of feed section 26 is connected with turbine body 1, the other end of feed section 26 is connected with the one end of extrusion section 27, the other end of extrusion section 27 is connected with the one end of ejection of compact section 28, the other end of ejection of compact section 28 is open structure, and the other end of ejection of compact section 28 communicates through joint 32 with water pump 31, sleeve 33 suit is on ejection of compact section 28, sleeve 33 is connected with joint 32.
The joint 32 in this embodiment includes joint body 321, stopper 322, joint direction section 323, joint locking section 324, recess 325 and lug 326, sleeve 33 includes sleeve body 331, stop collar 332, sleeve direction section 333 and sleeve locking section 334, stopper 322 sets up the other end at ejection of compact section 28, recess 325 sets up on stopper 322, lug 326 inlays in recess 325, lug 326 sets up the one end at joint body 321, the other end and the water pump 31 intercommunication of joint body 321, joint direction section 323 and joint locking section 324 all set up on joint body 321, sleeve body 331 suit is on ejection of compact section 28, stop collar 332, sleeve direction section 333 and sleeve locking section 334 all set up on sleeve body 331, stop collar 332 and stopper 322 butt, sleeve direction section 333 and joint direction section 323 contact, sleeve locking section 334 and joint locking section 324 are connected.
The groove 325 in the present embodiment is an annular groove, and the bump 326 is an annular bump; the joint locking section 324 is provided with external threads, the sleeve locking section 334 is provided with internal threads, and the joint locking section 324 is in threaded connection with the sleeve locking section 334; the limiting block 322 and the conveying main shaft 22 are of an integrated structure; the shape of the feeding section 26 and the shape of the discharging section 28 are cylindrical, the diameter of the feeding section 26 is smaller than that of the discharging section 28, and the shape of the extruding section 27 is a truncated cone; a blanking valve 4 is arranged on the discharge hole 25; one end of the feeding section 26 is connected with a main shaft of the steam turbine body 1; the water pump 31 is communicated with the water tank through a water pipe; the number of the spray holes 29 is plural, and the plurality of spray holes 29 are distributed circumferentially along the conveyance main shaft 22.
The boiler 5, the SCR reactor 6, the air preheater 7, the dust remover 8, the desulfurizing tower 9 and the chimney 10 in this embodiment are sequentially connected through the flue 101, which is a common means for those skilled in the art of thermal power generation, and the protrusion 326 may be installed by hot charging when being inserted into the recess 325, and the water pump 31 may be a high-pressure water pump as can be implemented by those skilled in the art, and the humidity of the coal may be increased when the coal is transported.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a thermal power plant's turbine energy comprehensive utilization system, includes boiler, SCR reactor, air preheater, dust remover, desulfurizing tower and the chimney that communicate in proper order through the flue, its characterized in that: the steam pipe of the boiler is connected with the steam turbine body, the conveying extrusion device comprises a conveying pipe, a conveying main shaft and a conveying screw, and the spraying device comprises a water pump, a joint and a sleeve; the conveying screw is arranged on the conveying main shaft, the conveying screw is arranged in a conveying pipeline, the inside of the conveying main shaft and the inside of the conveying screw are of a cavity structure, the inside of the main shaft is communicated with the inside of the conveying screw, a spraying hole is formed in the conveying screw, a feeding port and a discharging port are formed in the conveying pipeline, the conveying main shaft comprises a feeding section, an extruding section and a discharging section, the feeding port is arranged above the feeding section, the discharging port is arranged below the discharging section, one end of the feeding section is of a sealing structure, one end of the feeding section is connected with a turbine body, the other end of the feeding section is connected with one end of the extruding section, the other end of the extruding section is connected with one end of the discharging section, the other end of the discharging section is of an opening structure, the other end of the discharging section is communicated with a water pump through a connector, a sleeve is sleeved on the discharging section, the sleeve is connected with the connector, the shape of the feeding section and the discharging section are cylindrical, and the diameter of the feeding section is smaller than that of the discharging section, and the extruding section is of a circular table.
The connector comprises a connector body, a limiting block, a connector guide section, a connector locking section, a groove and a lug, wherein the sleeve comprises a sleeve body, a limiting ring, a sleeve guide section and a sleeve locking section, the limiting block is arranged at the other end of the discharging section, the groove is formed in the limiting block, the lug is embedded in the groove, the lug is arranged at one end of the connector body, the other end of the connector body is communicated with a water pump, the connector guide section and the connector locking section are arranged on the connector body, the sleeve body is sleeved on the discharging section, the limiting ring, the sleeve guide section and the sleeve locking section are arranged on the sleeve body, the limiting ring is in butt joint with the limiting block, the sleeve guide section is in contact with the connector guide section, and the sleeve locking section is connected with the connector locking section.
2. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: the groove is an annular groove, and the lug is an annular lug.
3. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: the connector locking section is provided with external threads, the sleeve locking section is provided with internal threads, and the connector locking section is connected with the sleeve locking section through threads.
4. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: the limiting block and the conveying main shaft are of an integrated structure.
5. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: and a blanking valve is arranged on the discharge hole.
6. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: one end of the feeding section is connected with a main shaft of the steam turbine body.
7. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: the water pump is communicated with the water tank through a water pipe.
8. The thermal power plant turbine energy comprehensive utilization system according to claim 1, wherein: the number of the spraying holes is multiple, and the spraying holes are distributed along the circumferential direction of the conveying main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638935.0A CN108590788B (en) | 2018-06-20 | 2018-06-20 | Comprehensive utilization system for energy of steam turbine of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638935.0A CN108590788B (en) | 2018-06-20 | 2018-06-20 | Comprehensive utilization system for energy of steam turbine of thermal power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590788A CN108590788A (en) | 2018-09-28 |
| CN108590788B true CN108590788B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810638935.0A Active CN108590788B (en) | 2018-06-20 | 2018-06-20 | Comprehensive utilization system for energy of steam turbine of thermal power plant |
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| Country | Link |
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| CN (1) | CN108590788B (en) |
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| CN201882570U (en) * | 2010-12-15 | 2011-06-29 | 武汉友谊食品工程有限公司 | Feeding seal humidification screw conveyer |
| CN103574630A (en) * | 2012-07-19 | 2014-02-12 | 中国电力工程顾问集团华东电力设计院 | Method for improving temperature of smoke discharged by chimney of thermal power plant, smoke heating system and thermal power generation unit |
| CN203810994U (en) * | 2014-04-22 | 2014-09-03 | 山东斯达特节能环保技术服务有限公司 | Dry deslagging heat exchange machine |
| CN203848311U (en) * | 2014-03-31 | 2014-09-24 | 华电电力科学研究院 | Smoke dust control device of flue high-temperature section of thermal power plant |
| CN204689160U (en) * | 2015-06-17 | 2015-10-07 | 杨艳虹 | Air blowing type material conveyor |
| CN205689957U (en) * | 2016-06-15 | 2016-11-16 | 宁波市鄞州海胜机械有限公司 | A kind of joint |
| CN206965683U (en) * | 2017-07-28 | 2018-02-06 | 宜昌京圃园生物工程有限公司 | A kind of anti-jamming ring moulds comminutor |
| CN208330476U (en) * | 2018-06-20 | 2019-01-04 | 华电电力科学研究院有限公司 | Steam turbine of thermal power plant energy comprehensive utilization system |
-
2018
- 2018-06-20 CN CN201810638935.0A patent/CN108590788B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670941A (en) * | 2009-09-29 | 2010-03-17 | 牛斌 | Sealing and conveying method of flexible material and feeder |
| CN201882570U (en) * | 2010-12-15 | 2011-06-29 | 武汉友谊食品工程有限公司 | Feeding seal humidification screw conveyer |
| CN103574630A (en) * | 2012-07-19 | 2014-02-12 | 中国电力工程顾问集团华东电力设计院 | Method for improving temperature of smoke discharged by chimney of thermal power plant, smoke heating system and thermal power generation unit |
| CN203848311U (en) * | 2014-03-31 | 2014-09-24 | 华电电力科学研究院 | Smoke dust control device of flue high-temperature section of thermal power plant |
| CN203810994U (en) * | 2014-04-22 | 2014-09-03 | 山东斯达特节能环保技术服务有限公司 | Dry deslagging heat exchange machine |
| CN204689160U (en) * | 2015-06-17 | 2015-10-07 | 杨艳虹 | Air blowing type material conveyor |
| CN205689957U (en) * | 2016-06-15 | 2016-11-16 | 宁波市鄞州海胜机械有限公司 | A kind of joint |
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| CN208330476U (en) * | 2018-06-20 | 2019-01-04 | 华电电力科学研究院有限公司 | Steam turbine of thermal power plant energy comprehensive utilization system |
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| Publication number | Publication date |
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| CN108590788A (en) | 2018-09-28 |
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