CN213066991U - Coal-fired drying device for power plant - Google Patents
Coal-fired drying device for power plant Download PDFInfo
- Publication number
- CN213066991U CN213066991U CN202022068825.0U CN202022068825U CN213066991U CN 213066991 U CN213066991 U CN 213066991U CN 202022068825 U CN202022068825 U CN 202022068825U CN 213066991 U CN213066991 U CN 213066991U
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- China
- Prior art keywords
- housing
- air
- air heater
- coal
- drying device
- 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.)
- Withdrawn - After Issue
Links
- 238000001035 drying Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000003245 coal Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 description 3
- 239000002802 bituminous coal Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 1
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Abstract
The utility model discloses a coal-fired drying device is used to power plant, including housing, dog-house and discharge gate, the top at the housing is installed to the dog-house, the bottom at the housing is installed to the discharge gate, the top-down interval is provided with a plurality of conveying mechanism in the housing, the bottom of housing is fixed with the circulation air heater through the installing support, the air outlet of circulation air heater is connected with the air supply subassembly, the air intake connection of circulation air heater has the receipts wind subassembly, conveying mechanism includes two driving rollers. The utility model discloses with traditional air heater replacement become circulation air heater, will expose on the air heater originally on the air heater become the air intake that circulation air heater goes up and even receives tuber pipe b, receive tuber pipe an, through blast pipe an, blast pipe b and receive tuber pipe b, receive that tuber pipe an can form a hot-blast circulation loop like this, make the hot gas flow carry out the thermal cycle for heating efficiency in the housing is higher, speed is faster, can also effectively reduce circulation air heater's energy consumption.
Description
Technical Field
The utility model relates to a power plant equipment technical field especially relates to coal-fired drying device is used to power plant.
Background
The fuel composition of a thermal power plant depends on national resource conditions and energy policies. After the 80 s of the 20 th century, the fuel of Chinese thermal power plants was mainly coal. In 1987, 87% of the power generated by a thermal power plant is coal power, and the rest 13% of the power is generated by other fuels. In countries where bituminous coal resources are available or depend on imported coal, thermal power plants mainly burn bituminous coal due to its high calorific value and flammability.
The coal for the power plant can not be dried, most of the prior coal for the power plant utilizes a conveying mechanism which is orderly arranged in the housing in a staggered manner to scatter accumulated coal and then is matched with a hot air blower to dry the coal, but only the air supply pipe a is used for feeding hot air, so that the heating efficiency in the housing is low, the speed is low, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the coal-fired drying device for the power plant is provided only by feeding hot air through the air supply pipe a, which causes low heating efficiency, low speed and high energy consumption in the housing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
coal-fired drying device for power plant, including housing, dog-house and discharge gate, the dog-house is installed at the top of housing, the bottom at the housing is installed to the discharge gate, top-down interval is provided with a plurality of conveying mechanism in the housing, the bottom of housing is fixed with the circulation air heater through the installing support, the air outlet of circulation air heater is connected with the air supply subassembly, the air intake connection of circulation air heater has the subassembly of receiving wind.
Preferably, conveying mechanism includes two driving rollers, two the driving roller passes through the conveyer belt transmission and connects, two the middle part of driving roller all is fixed to be inserted and is equipped with the axostylus axostyle, the motor is installed at the back of housing, and one of them the rear end of axostylus axostyle runs through behind the housing with the output fixed connection of motor.
Preferably, the air supply assembly comprises an air supply pipe b connected with an air outlet of the circulating air heater, and the vertical end of the air supply pipe b is sequentially connected with a plurality of groups of air supply pipes a which are matched with the conveying mechanism one by one.
Preferably, the air collecting assembly comprises an air collecting pipe b connected with an air inlet of the circulating air heater, the vertical end of the air collecting pipe b is sequentially connected with a plurality of air collecting pipes a which are matched with the conveying mechanism one by one, and the end part of each air collecting pipe a is provided with a filtering assembly.
Preferably, the filtering component comprises a top cover arranged at the end part of the air collecting pipe a, a communicating port is formed in the middle of the top cover, and a plurality of filter screens are sequentially arranged in the communicating port.
Preferably, the top cover is detachably mounted at the end part of the air collecting pipe a.
The utility model has the advantages that: 1. the traditional air heater is replaced by a circulating air heater, and an air inlet exposed out of the original air heater is changed into an air inlet of a receiving air pipe b and an air receiving pipe a which are connected with the circulating air heater, so that a hot air circulation loop can be formed by the air supply pipe a, the air supply pipe b, the air receiving pipe b and the air receiving pipe a, hot air flow is promoted to carry out thermal circulation, heating efficiency in the housing is higher, the speed is higher, and the energy consumption of the circulating air heater can be effectively reduced;
2. the setting of filter screen can be filtered the hot-blast net that circulates to the circulation air heater in through receiving tuber pipe b, avoids the trouble of the circulation air heater that causes in a large number of invasion circulation air heater of dust to destroy even, and the top cap adopts detachable mode to install at receipts tuber pipe a tip, makes things convenient for the manual work to change new top cap, will replace with old filter screen, guarantees the hot-blast ability of filtering of filter assembly in to getting into receiving tuber pipe b.
Drawings
FIG. 1 is a schematic view of the internal structure of a coal-fired drying device for a power plant according to the present invention;
FIG. 2 is a cross-sectional view of the connection between the air collecting duct a and the top cover;
fig. 3 is a plan view of the positional relationship between the air supply duct b and the air supply duct a according to the present invention.
In the figure: 1 housing, 2 dog-house, 3 discharge gates, 4 motors, 5 driving rollers, 6 conveyer belts, 7 blast pipes a, 8 circulating air heaters, 9 blast pipes b, 10 wind receiving pipes b, 11 wind receiving pipes a, 12 top covers and 13 filter screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the coal drying device for the power plant comprises a housing 1, a feeding port 2 and a discharge port 3, wherein the feeding port 2 is installed at the top of the housing 1, the discharge port 3 is installed at the bottom of the housing 1, a plurality of conveying mechanisms are arranged in the housing 1 at intervals from top to bottom, the conveying mechanisms are sequentially arranged in the housing 1 in a staggered manner, a circulating hot air blower 8 is fixed at the bottom of the housing 1 through a mounting bracket, an air outlet of the circulating hot air blower 8 is connected with an air supply assembly, and an air inlet of the circulating hot air blower 8 is connected with an air collecting assembly, so that a;
the conveying mechanism comprises two driving rollers 5, the two driving rollers 5 are in transmission connection through a conveying belt 6, shaft rods are fixedly inserted in the middle parts of the two driving rollers 5, a motor 4 is installed on the back of the housing 1, and the rear end of one shaft rod penetrates through the housing 1 and is fixedly connected with the output end of the motor 4; air supply assembly includes blast pipe b9 that links to each other with circulation air heater 8 air outlet, the vertical end of blast pipe b9 has connected gradually the multiunit blast pipe a7 that sets up with conveying mechanism cooperation one by one, blast pipe a7 all runs through the setting of housing 1 back, receive the wind subassembly and include the receipts wind pipe b10 that links to each other with circulation air heater 8 air intake, receive the vertical end of wind pipe b10 and have connected gradually a plurality of receipts tuber pipe a11 that set up with conveying mechanism cooperation one by one, it all runs through housing 1 side setting to receive tuber pipe a11, every tip of receiving tuber pipe a11 all is provided with filter assembly.
The filter assembly is including installing the top cap 12 at receiving tuber pipe a11 tip, the intercommunication mouth has been seted up at the middle part of top cap 12, a plurality of filter screen 13 has set gradually in the intercommunication mouth, filter screen 13's setting can be through receiving tuber pipe b10 circulation to the hot-blast filtration of circulation air heater 8 in, the trouble of circulation air heater 8 of avoiding the dust to invade in a large number and cause is even destroyed, top cap 12 adopts detachable mode to install at receiving tuber pipe a11 tip, detachable mode can be threaded connection also can be the joint mode of plugging out, all be for changing new top cap 12, will replace with old filter screen 13 tuber pipe, guarantee to getting into the hot-blast filtration ability of receiving in the tuber pipe b 10.
The utility model provides a coal-fired drying device is used to power plant, replace traditional air heater into circulation air heater 8, become to circulate air heater on exposed air heater originally and go up to receive tuber pipe b10, receive tuber pipe a 11's air intake, pass through blast pipe a7 like this, blast pipe b9 and receipts tuber pipe b10, it can form a hot-blast circulation loop to receive tuber pipe a11, make the hot gas flow carry out the thermal cycle, make the heating efficiency in housing 1 higher, speed is faster, can also effectively reduce circulation air heater 8's energy consumption.
In addition, the setting of filter screen 13 can be with through receiving the hot-blast filtration of tuber pipe b10 circulation to in the circulation air heater 8 clean, avoids the trouble of circulation air heater 8 that causes in the circulation air heater 8 in a large number of dusts to break down even, and top cap 12 adopts the detachable mode to install at receipts tuber pipe a11 tip, makes things convenient for the manual work to change new top cap 12, will use old filter screen 13 to replace, guarantees the filter assembly and to getting into the hot-blast filtration ability in the tuber pipe b10 of receiving.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Coal-fired drying device is used to power plant, including housing (1), dog-house (2) and discharge gate (3), the top at housing (1) is installed in dog-house (2), the bottom at housing (1) is installed in discharge gate (3), its characterized in that, top-down interval is provided with a plurality of conveying mechanism in housing (1), the bottom of housing (1) is fixed with circulation air heater (8) through the installing support, the air outlet of circulation air heater (8) is connected with the air supply subassembly, the air intake connection of circulation air heater (8) has the wind subassembly of receiving.
2. The coal drying device for the power plant according to claim 1, characterized in that the conveying mechanism comprises two driving rollers (5), the two driving rollers (5) are in transmission connection through a conveyor belt (6), shaft rods are fixedly inserted in the middle of the two driving rollers (5), a motor (4) is installed on the back of the housing (1), and the rear end of one shaft rod penetrates through the housing (1) and then is fixedly connected with the output end of the motor (4).
3. The coal-fired drying device for the power plant of claim 2, characterized in that the air supply assembly comprises an air supply pipe b (9) connected with the air outlet of the circulating air heater (8), and the vertical end of the air supply pipe b (9) is sequentially connected with a plurality of groups of air supply pipes a (7) which are matched with the conveying mechanism one by one.
4. The coal-fired drying device for the power plant of claim 2, characterized in that the air collecting component comprises an air collecting pipe b (10) connected with an air inlet of the circulating air heater (8), the vertical end of the air collecting pipe b (10) is sequentially connected with a plurality of air collecting pipes a (11) which are matched with the conveying mechanism one by one, and the end part of each air collecting pipe a (11) is provided with a filtering component.
5. The coal-fired drying device for power plant of claim 4, characterized in that, the filtering component includes top cap (12) of installing in receipts tuber pipe a (11) tip, the middle part of top cap (12) has seted up the intercommunication mouth, be provided with a plurality of filter screen (13) in the intercommunication mouth in proper order.
6. A coal-fired drying device for power plants according to claim 5, characterized in that the top cover (12) is detachably mounted at the end of the wind collecting pipe a (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068825.0U CN213066991U (en) | 2020-09-18 | 2020-09-18 | Coal-fired drying device for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068825.0U CN213066991U (en) | 2020-09-18 | 2020-09-18 | Coal-fired drying device for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213066991U true CN213066991U (en) | 2021-04-27 |
Family
ID=75559391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022068825.0U Withdrawn - After Issue CN213066991U (en) | 2020-09-18 | 2020-09-18 | Coal-fired drying device for power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213066991U (en) |
-
2020
- 2020-09-18 CN CN202022068825.0U patent/CN213066991U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210427 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210427 Effective date of abandoning: 20231219 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |