CN207962603U - A kind of thermal power generation heating system - Google Patents
A kind of thermal power generation heating system Download PDFInfo
- Publication number
- CN207962603U CN207962603U CN201820209858.2U CN201820209858U CN207962603U CN 207962603 U CN207962603 U CN 207962603U CN 201820209858 U CN201820209858 U CN 201820209858U CN 207962603 U CN207962603 U CN 207962603U
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- combustion chamber
- discharge port
- crush box
- thermal power
- power generation
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Abstract
The utility model is related to field of thermal power, more particularly to a kind of thermal power generation heating system, including steam generation device, steam turbine, the steam generation device includes boiler, upper boiler is superheater, and bottom is combustion chamber, and the upstream end of superheater is connected with preheating apparatus, the output end of superheater is connect with steam turbine, and bottom of combustion chamber is connected with coal conveying device；Preheating apparatus includes water tank, and tank inner wall forms hollow sandwich with outer wall, is filled with heat-conductive assembly in hollow sandwich, water tank bottom is provided with discharge outlet；Coal conveying device includes crush box, crush box bottom is equipped with discharge port I, crush box side is equipped with discharge port II, crush box lower tilt is equipped with filter plate, II outer end of discharge port is equipped with conveyer belt, conveyer belt extends to combustion chamber lower part, is equipped with wind turbine at discharge port I, and discharge port I is connect by delivery pipe with combustion chamber top；The utility model is simple in structure, and the efficiency of heating surface is high, improves the temperature of combustion chamber.
Description
Technical field
The utility model is related to field of thermal power more particularly to a kind of thermal power generation heating systems.
Background technology
As the gradually loose and country of China Power supply is to energy-saving attention, thermal power plant is held upsurge,
Thermal power plant is using coal, oil, natural gas as the factory of fuel production electric energy, its basic process of production is：Fuel is in pot
Combustion heating water makes into steam in stove, the chemical energy of fuel is transformed into thermal energy, the rotation of steam pressure pushing turbine, thermal energy turns
Change mechanical energy into, then steam turbine drives generator rotation, mechanical energy is transformed into electric energy, wherein heating system accounts for critically important
Status, however boiler passes through only with superheater in many thermal power plants, the yield of such water vapour is not high, and combustion chamber
The interior burning by fuel it is abundant whether also determine the temperature of heating, traditional is only delivered to combustion chamber by coal, not
There is point any grade, also do not improve the efficiency of coal burning targetedly according to the property of coal, to reduce power generation
Efficiency wastes cost.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, avoid coal from burning in burning insufficient, warm
Degree cannot improve, or making water vapour efficiency is low, and provide a kind of thermal power generation heating system, the utility model knot
Structure is simple, and the efficiency of heating surface is high, coal can be allowed to be fully burned, improve the temperature of combustion chamber.
The purpose of this utility model is achieved by the following measures：A kind of thermal power generation heating system, including steam
Vapour generation device, steam turbine, the steam generation device include boiler, and the upper boiler is superheater, and bottom is combustion chamber,
The upstream end of the superheater is connected with preheating apparatus, and the output end of superheater is connect with steam turbine, the bottom of combustion chamber
It is connected with coal conveying device, the combustion chamber side is additionally provided with smoke exhaust pipe；
The preheating apparatus includes water tank, and the tank inner wall forms hollow sandwich with outer wall, is filled in hollow sandwich
Have a heat-conductive assembly, the tank top is provided with filler, and water tank bottom is provided with discharge outlet, the discharge outlet by pipeline with
Superheater upstream end connects；
The coal conveying device includes crush box, charge door is equipped at the top of the crush box, crush box bottom is equipped with out
Material mouth I, crush box side are equipped with discharge port II, are equipped with crushing rotor inside crush box, the crushing rotor lower part is provided with
Filter plate, and filter plate is obliquely installed, filter plate lowermost end extends at discharge port II, and filter hole is provided on filter plate, goes out
II outer end of material mouth is provided with conveyer belt, and the conveyer belt extends to combustion chamber lower part, and wind turbine is provided at the discharge port I, and
Discharge port I is connect by delivery pipe with combustion chamber top.
Preferably, the hollow sandwich is heat conduction oil pocket, and heat-conductive assembly is the electric heating wire for being installed on conduction oil intracavitary.
Preferably, the crushing rotor is two, is arranged in parallel at charge door up and down respectively.
Preferably, crushing hammer is additionally provided on the crushing rotor.
Preferably, the filter plate is in 130 ° of -150 ° of angles with chamber interior wall is crushed.
Preferably, it is provided with spiral plate on the conveying inside pipe wall.
The utility model has the beneficial effects that：Preheating apparatus, steam generation device, coal conveying in the utility model
The combination of device substantially increases generating efficiency, and then water, which can be first preheated, just enters boiler, to improve the heat of water
Degree improves the efficiency for generating water vapour, and the burning of boiler is that coal is divided into two grades, using wind turbine by powdery coal
It is sent to the top of combustion chamber, combustion efficiency is good, and granular coal, which is sent to combustion chamber lower part, to burn, and upper layer is burnt
Flame can help lower part particle burning, improve entire pot in-furnace temperature.
Description of the drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the structural schematic diagram of delivery pipe.
Fig. 3 is delivery pipe vertical view.
In figure：1- steam turbines, 2- superheaters, the combustion chambers 3-, 4- smoke exhaust pipes, 5- hollow sandwiches, the filler 6-, 7- drainings
Mouthful, 8- crush boxes, 9- charge doors, 10- discharge ports I, 11- discharge ports II, 12- crushing rotors, 13- filter plates, 14- wind turbines, 15-
Delivery pipe, 16- electric heating wires, 17- conveyer belts, 18- crush hammer, 19- spiral plates.
Specific implementation mode
In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further
It is described in detail.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 shows, a kind of thermal power generation heating system, including steam generation device, vapour
Turbine 1, steam generation device include boiler, and upper boiler is superheater 2, and bottom is combustion chamber 3, and the upstream end of superheater connects
There are preheating apparatus, the output end of superheater to be connect with steam turbine, bottom of combustion chamber is connected with coal conveying device, combustion chamber side
Portion is additionally provided with smoke exhaust pipe 4, and smoke exhaust pipe is connection dust-extraction unit, and preheating apparatus is first to be preheated to water, avoids water
Temperature is not achieved after into boiler, and the efficiency for generating water vapour is low, can be sent to the top superheater of boiler after water preheating
In；Coal conveying device is burnt for coal to be transported in boiler, and water vapour is generated after being heated to superheater,.
Preheating apparatus includes water tank, and tank inner wall forms hollow sandwich 5 with outer wall, heat conduction group is filled in hollow sandwich
Part, hollow sandwich are heat conduction oil pocket, and heat-conductive assembly is the electric heating wire 16 for being installed on conduction oil intracavitary, and electric heating wire, which spirals, is leading
Deep fat intracavitary heats conduction oil, and conduction oil is equivalent to water tank forming an insulating layer, in water tank in hollow sandwich
Then insulation layer after the water being then preheated enters the superheater of boiler, is generated by ebuillition of heated the water in portion again to preheating
Water vapour, tank top are provided with filler 6, and water tank bottom is provided with discharge outlet 7, and discharge outlet is entered by pipeline and superheater
End connection.Coal conveying device includes crush box 8, charge door 9 is equipped at the top of crush box, charge door is for feeding, coal charcoal, powder
Broken bottom portion is equipped with discharge port I 10, and crush box side is equipped with discharge port II 11, and two discharge ports are the coal point for that will crush
Grade is conveyed to combustion chamber, is equipped with inside crush box and crushes rotor 12, and crushing rotor has two, parallel installation up and down respectively
Crushing hammer 18 is installed at charge door, and each on crushing rotor, crushing hammer and crushing rotor are combined can be by coal
It crushes evenly, crushes rotor lower part and be provided with filter plate 13, and filter plate is obliquely installed, filter plate is in chamber interior wall is crushed
130 ° of -150 ° of angles, it is 140 ° to select in the present embodiment, and filter plate lowermost end extends at discharge port II, is set on filter plate
It is equipped with filter hole, the coal after pulverized rotor crushes is fallen on inclined filter plate, is screened by filter plate, dust penetrated
Filter opening reaches at discharge port I, and the graininess coal being trapped slides at discharge port II, and then discharge port outer end II is provided with transmission
Band 17, conveyer belt extend to combustion chamber lower part, i.e., granular coal is sent to combustion chamber lower part and burns, at discharge port I
It is provided with wind turbine 14, and discharge port I is connect by delivery pipe 15 with combustion chamber top, the coal of dust-like is blown to burning by wind turbine
The top of room, and convey and be provided with spiral plate 19 on inside pipe wall, spiral plate is more advantageous to the conveying of dust-like coal, and dust is
What spiral transmitted in delivery pipe, since dust coal is easier to burn, so coal dust to be sent to the top of combustion chamber, graininess
Coal be sent to the lower plate of combustion chamber, combustion-supporting effect is played in the burning of upper layer coal dust, and the coal burning of particle is more abundant, temperature
More sufficient, heating is more preferable.
Claims (6)
1. a kind of thermal power generation heating system, it is characterised in that：Including steam generation device, steam turbine, the steam generation
Device includes boiler, and the upper boiler is superheater, and bottom is combustion chamber, and the upstream end of the superheater is connected with preheating
The output end of device, superheater is connect with steam turbine, and the bottom of combustion chamber is connected with coal conveying device, the combustion chamber side
Portion is additionally provided with smoke exhaust pipe；
The preheating apparatus includes water tank, and the tank inner wall forms hollow sandwich with outer wall, is filled with and leads in hollow sandwich
Hot component, the tank top are provided with filler, and water tank bottom is provided with discharge outlet, and the discharge outlet passes through pipeline and overheat
Device upstream end connects；
The coal conveying device includes crush box, and charge door is equipped at the top of the crush box, and crush box bottom is equipped with discharge port
I, crush box side is equipped with discharge port II, is equipped with crushing rotor inside crush box, the crushing rotor lower part is provided with filtering
Plate, and filter plate is obliquely installed, filter plate lowermost end extends at discharge port II, and filter hole, discharge port are provided on filter plate
II outer end is provided with conveyer belt, and the conveyer belt extends to combustion chamber lower part, wind turbine is provided at the discharge port I, and discharge
Mouth I is connect by delivery pipe with combustion chamber top.
2. a kind of thermal power generation heating system according to claim 1, it is characterised in that：The hollow sandwich is heat conduction
Oil pocket, heat-conductive assembly are the electric heating wire for being installed on conduction oil intracavitary.
3. a kind of thermal power generation heating system according to claim 1, it is characterised in that：The crushing rotor is two
Root is arranged in parallel at charge door up and down respectively.
4. a kind of thermal power generation heating system according to claim 3, it is characterised in that：It is also set on the crushing rotor
It is equipped with crushing hammer.
5. a kind of thermal power generation heating system according to claim 1, it is characterised in that：The filter plate and crush box
Inner wall is in 130 ° of -150 ° of angles.
6. a kind of thermal power generation heating system according to claim 1, it is characterised in that：It is set on the conveying inside pipe wall
It is equipped with spiral plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209858.2U CN207962603U (en) | 2018-02-07 | 2018-02-07 | A kind of thermal power generation heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209858.2U CN207962603U (en) | 2018-02-07 | 2018-02-07 | A kind of thermal power generation heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962603U true CN207962603U (en) | 2018-10-12 |
Family
ID=63737911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209858.2U Expired - Fee Related CN207962603U (en) | 2018-02-07 | 2018-02-07 | A kind of thermal power generation heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819654A (en) * | 2021-10-28 | 2021-12-21 | 佛山市顺德区三长江机电有限公司 | Heat preservation water tank for air source heat pump water heater |
-
2018
- 2018-02-07 CN CN201820209858.2U patent/CN207962603U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819654A (en) * | 2021-10-28 | 2021-12-21 | 佛山市顺德区三长江机电有限公司 | Heat preservation water tank for air source heat pump water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20220207 |