CN205257190U - Anti -blocking device of coal chute - Google Patents
Anti -blocking device of coal chute Download PDFInfo
- Publication number
- CN205257190U CN205257190U CN201521025194.7U CN201521025194U CN205257190U CN 205257190 U CN205257190 U CN 205257190U CN 201521025194 U CN201521025194 U CN 201521025194U CN 205257190 U CN205257190 U CN 205257190U
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- annular
- blocking device
- coal
- ring rotation
- coal chute
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Abstract
The utility model discloses an anti -blocking device of coal chute, including the the annular clamped layer, the the annular clamped in situ is nested to be had by the rotatory layer of motor drive's annular, upwards arrange in the annular rotation that a plurality of scrapers of offering the air vent construct wall in place week, be provided with annular gas storage chamber between the annular clamped in situ wall and the rotatory layer outer wall of annular, annular gas storage chamber is including fixing the annular gas storage casing on the annular clamped in situ wall, and around fixing the annular rotating housing on the rotatory layer outer wall of annular, annular rotating housing and annular gas storage casing block swivelling joint, still include the passageway of blowing in annular gas storage chamber of a plurality of intercommunications and the rotatory chamber in place of annular, every passageway of blowing give vent to anger the end for the air vent of scraper on constructing, annular gas storage chamber with external air supply fill into gas blow in annular rotation chamber in place through the passageway of blowing. The utility model discloses compact structure, manufacturing is convenient, and the practicality is strong, easy dismounting.
Description
Technical field
The utility model relates to anti-blocking device of coal chute, relates in particular to a kind of anti-blocking device of coal chute of practical, easy accessibility.
Background technology
The input of thermal power plant energy is to ensure by good burning in the timely supply of fuel and burner hearth, can have a strong impact on the normal operation of boiler in the time that the fuel system of boiler goes wrong, thereby jeopardizes the safety in production in thermal power plant. The fuel in thermal power plant is mainly coal dust, and except the fault of coal handling plant itself, coal pipe coal blockage is the main cause that affects coal handling system and the normal operation of boiler. Especially in recent years,, along with the anxiety of Thermal Power Enterprises coal resources, a lot of Thermal Power Enterprises are for reducing production costs, be forced to mix the colm that burning caloric value is low, water content is high, causing the viscosity of coal dust sharply to increase, cause the mobility severe exacerbation of coal dust, more easily there is chute blockage phenomenon in coal spout.
By the observation analysis repeatedly to chute blockage phenomenon, the main position of causing coal pipe coal blockage is the joint portion that is positioned at three-way baffle plate and oblique siphunculus, the especially tiltedly top of siphunculus. The method that Field Force processes chute blockage is generally that operations staff first beats coal spout with hammer or electric motor of shaker, by mechanical oscillation, the coal dust of assembling in coal spout is shaken off, if the coal of assembling in coal spout extruding is tighter, need to stop transporting coal measures system, dredge with steel pipe or interim source of the gas from the coal breakage mouth of pipe. Another method of controlling coal pipe coal blockage is to lay high molecular abrasion-proof or stainless steel liner plate at the inwall at the positions such as oblique siphunculus, three-way baffle plate, to reduce attached collection, the bonding of coal dust. As can be seen here, existing control or solve the method for coal pipe coal blockage and have the problems such as time-consuming, labour intensity large, DeGrain, transformation process amount are large and expense is high.
For this reason, designing a kind of effective, easy accessibility and cheap anti-blocking device of coal chute just seems and particularly needs.
Utility model content
The technical problems to be solved in the utility model is to provide the anti-blocking device of coal chute of a kind of compact conformation and convenient processing and manufacture, practical, easy accessibility, to overcome the deficiency of existing coal spout Method of blockage removal or technology.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of anti-blocking device of coal chute, comprise annular fixed bed, annular fixed bed has been nested with by motor-driven ring rotation layer, upwards be furnished with multiple scraping mechanisms that offer passage in ring rotation layer inwall week, between annular fixed bed inwall and ring rotation layer outer wall, be provided with annular air storing cavity, described annular air storing cavity comprises the annular gas storage housing being fixed on annular fixed bed inwall, and around the ring rotation housing being fixed on ring rotation layer outer wall, ring rotation housing engages and is rotatably connected with annular gas storage housing; Also comprise the insufflation channel of the annular air storing cavity of multiple connections and ring rotation layer inner chamber, the outlet side of described each insufflation channel is the passage on scraping mechanism, and the gas that annular air storing cavity is filled with external gas source is blown into ring rotation layer inner chamber by described insufflation channel.
The inlet end of described each insufflation channel is positioned on the ring rotation housing of annular air storing cavity.
The inlet end of described each insufflation channel is provided with pressure-control valve.
Described gas adopts the inert gas of preheating.
On scraping mechanism, offer the streamlined cavity passage of a chute blockage for delivery of scraping.
Described scraping mechanism is plough type.
Described scraping mechanism is vertically and radially has a streamline contour.
Be respectively arranged with the flange-interface being connected with coal spout at the two ends of annular fixed bed.
Described motor is fixed on annular fixed bed.
On annular fixed bed, also offer access door.
The beneficial effects of the utility model: the coal spout that 1, carrys out dredge blockage by the rotation scraping of scraping mechanism and the gas that external gas source is filled with by annular air storing cavity through the double action of insufflation channel sweep gas; Thereby 2, be fixed on the rotating speed of the Electric Machine Control scraping mechanism on annular fixed bed by control and change swirl strength and realize the anti-blocking of the different chocking-up degree dropping coal tubes of different atures of coal by changing the size etc. of the angle of pressure in air storing cavity, passage and size, insufflation channel; 3, for the high coal of water content, can adopt the inert gas of preheating to purge chute blockage, can reach the better stifled effect of dredging; 4, the streamline contour of scraping mechanism, resistance is less when rotated can not only to ensure it, scrapes feeding convenient, can also ensure coal spout not attached collection, bonding in the above of coal dust in the time of normal coal breakage simultaneously; 5, the design of bump joint formula makes this device have the feature of easy accessibility, wide adaptability; 3, compact conformation, processing and manufacturing are simple, practical.
Brief description of the drawings
Fig. 1 is full sectional view of the present utility model.
Fig. 2 is the stereogram of the utility model scraping mechanism.
Fig. 3 is the full sectional view of the utility model annular air storing cavity.
Fig. 4 is the profile of the utility model annular air storing cavity.
Wherein, 1-annular fixed bed; 2-ring rotation layer; 3-motor; 4-scraping mechanism; 401-passage; 5-annular air storing cavity; 501-annular gas storage housing; 502-ring rotation housing; 6-insufflation channel; 601-pressure-control valve; 7-flange-interface; 8-access door.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of anti-blocking device of coal chute of the present embodiment, comprises annular fixed bed 1, is nested with ring rotation layer 2 at annular fixed bed 1, and ring rotation layer 2 drives rotation by the motor 3 being fixed on annular fixed bed 1. Upwards be evenly arranged multiple scraping mechanisms 4 that offer passage 401 in 2 inwall week of ring rotation layer, the rotation that rotarily drives scraping mechanism 4 of ring rotation layer 2, thereby the coal piling of scraping, disturbance obstruction.
Above-mentioned scraping mechanism 4 can be plough type, can be also the distortion of plough type, and concrete shape can be determined according to thin coal actual needs. Have a streamlined cavity passage at the belly of scraping mechanism, for the backward lower extruding of scraping mechanism scraping chute blockage, conveying, passage is arranged on the sidewall of streamlined cavity passage. Scraping mechanism 4 entirety are arranged in 2 inwall week of ring rotation layer upwards with the form of " windward type ", axially and radially all there is good stream shape gabarit, resistance is less when rotated can not only to ensure it, scrape feeding convenient, can also ensure that coal spout coal dust in the time of normal coal breakage can not form " stationary point " and cause attached collection, the bonding of coal dust simultaneously. After scraping mechanism 4 scraping chute blockage, chute blockage is pushed downwards, carried along the streamlined cavity passage in scraping mechanism 4, thus the coal piling form dredging coal chute in the scraping of scraping mechanism 4 and the rotation meeting disturbance coal spout of himself. For the different chute blockage situation of different atures of coal, can adapt to different operating modes by the quantity, layout, profile and the rotating speed that change scraping mechanism 4. The rotating speed of scraping mechanism 4, the motor 3 that can be fixed on annular fixed bed 1 by control regulates, to dredge the coal spout under the different chocking-up degrees of different atures of coal.
Between annular fixed bed 1 inwall and ring rotation layer 2 outer wall, be provided with annular air storing cavity 5; Annular air storing cavity 5 comprises the annular gas storage housing 501 being fixed on annular fixed bed 1 inwall, and around the ring rotation housing 502 being fixed on ring rotation layer 2 outer wall, ring rotation housing 502 engages and is rotatably connected with annular gas storage housing 501. Ring rotation housing 502 has good sealing with the holding section of annular gas storage housing 501, and friction is less. Between annular air storing cavity 5 and ring rotation layer 2 inner chamber, be communicated with by multiple insufflation channel 6, the quantity of insufflation channel 6 can be consistent with the quantity of scraping mechanism 4. The gas that annular air storing cavity 5 is filled with external gas source is blown into ring rotation layer 2 inner chamber by described insufflation channel 6, and external gas source derives from transfer station. The inlet end of each insufflation channel 6 is positioned on the ring rotation housing 502 of annular air storing cavity 5, and inlet end is provided with pressure-control valve 601, and outlet side is the passage 401 on scraping mechanism 4.
The design that is rotatably connected of above-mentioned annular air storing cavity 5 ring rotation housings 502 and engaging of annular gas storage housing 501 is that (when scraping mechanism 4 rotates scraping chute blockage) still can realize to sweep gas in coal spout when making this device work. For the different chute blockage situation of different atures of coal, can change swirl strength to adapt to different operating modes by the size etc. that changes the angle of pressure in air storing cavity, passage 401 and size, insufflation channel 6.
Above-mentioned passage 401 can adopt oblique through hole, and effect is the coal dust being bonded on scraping mechanism 4 in order to purge. Because oblique through hole is along the circumferential direction to distribute and blowing direction is oblique, when purging, eddy flow can be formed in coal spout, thereby the flow field that eddy flow produces can disturbance coal piling form dredging coal chute. The start or stop of the pressure-control valve 601 that above-mentioned insufflation channel 6 inlet ends arrange is by the pressure control of annular air storing cavity 5 interior gases: in the time chute blockage occurs needing sweep gas, by extraneous source of the gas rapidly to the interior inflation of annular air storing cavity 5, in the time that annular air storing cavity 5 air pressure inside reach particular value, the valve opening of pressure-control valve 601, gas in annular air storing cavity 5 passes through rapidly insufflation channel 6 to ring rotation layer 2 inner chamber sweep gas, the speed of sweep gas can be controlled by the pressure in annular air storing cavity 5, purges the coal spout under the different chocking-up degrees of different atures of coal. For the higher coal of water content, sweep gas can adopt the inert gas of preheating, is more conducive to dredge chute blockage.
Be respectively arranged with the flange-interface 7 being connected with coal spout at the two ends of annular fixed bed 1, can be arranged on each position of the easy chute blockage of coal spout by flange-interface 7, the positions such as for example oblique siphunculus, three-way baffle plate; Flange joint design makes to the utlity model has easy accessibility, practical good characteristic.
On annular fixed bed 1, also offer access door 8, can install inner each parts to this and carry out Maintenance and Repair by opening access door 8.
Range of application of the present utility model, the restriction that not described by this description. All distortion that those skilled in the art is directly derived or associated by the disclosed content of the utility model, all should think protection domain of the present utility model.
Claims (10)
1. an anti-blocking device of coal chute, it is characterized in that: comprise annular fixed bed, annular fixed bed has been nested with by motor-driven ring rotation layer, upwards be furnished with multiple scraping mechanisms that offer passage in ring rotation layer inwall week, between annular fixed bed inwall and ring rotation layer outer wall, be provided with annular air storing cavity, described annular air storing cavity comprises the annular gas storage housing being fixed on annular fixed bed inwall, and around the ring rotation housing being fixed on ring rotation layer outer wall, ring rotation housing engages and is rotatably connected with annular gas storage housing; Also comprise the insufflation channel of the annular air storing cavity of multiple connections and ring rotation layer inner chamber, the outlet side of described each insufflation channel is the passage on scraping mechanism, and the gas that annular air storing cavity is filled with external gas source is blown into ring rotation layer inner chamber by described insufflation channel.
2. anti-blocking device of coal chute according to claim 1, is characterized in that: the inlet end of described each insufflation channel is positioned on the ring rotation housing of annular air storing cavity.
3. anti-blocking device of coal chute according to claim 1 and 2, is characterized in that: the inlet end of described each insufflation channel is provided with pressure-control valve.
4. anti-blocking device of coal chute according to claim 1, is characterized in that: described gas adopts the inert gas of preheating.
5. anti-blocking device of coal chute according to claim 1, is characterized in that: the streamlined cavity passage that offers a chute blockage for delivery of scraping on scraping mechanism.
6. anti-blocking device of coal chute according to claim 5, is characterized in that: described scraping mechanism is plough type.
7. anti-blocking device of coal chute according to claim 1, is characterized in that: described scraping mechanism is vertically and radially has a streamline contour.
8. anti-blocking device of coal chute according to claim 1, is characterized in that: be respectively arranged with the flange-interface being connected with coal spout at the two ends of annular fixed bed.
9. anti-blocking device of coal chute according to claim 1, is characterized in that: described motor is fixed on annular fixed bed.
10. anti-blocking device of coal chute according to claim 1, is characterized in that: on annular fixed bed, also offer access door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025194.7U CN205257190U (en) | 2015-12-11 | 2015-12-11 | Anti -blocking device of coal chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025194.7U CN205257190U (en) | 2015-12-11 | 2015-12-11 | Anti -blocking device of coal chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205257190U true CN205257190U (en) | 2016-05-25 |
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ID=55998733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521025194.7U Expired - Fee Related CN205257190U (en) | 2015-12-11 | 2015-12-11 | Anti -blocking device of coal chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205257190U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775162A (en) * | 2019-03-29 | 2019-05-21 | 山东诺德装备有限公司 | Slab-foundation formula accelerates discharging device and its steel silo |
| CN109956255A (en) * | 2017-12-14 | 2019-07-02 | 湖南中联重科混凝土机械站类设备有限公司 | Feeding tube |
| CN111169897A (en) * | 2020-01-07 | 2020-05-19 | 李建京 | Feeding equipment with automatic dredging function |
| CN111410010A (en) * | 2020-04-07 | 2020-07-14 | 郑州市新玉源机械工业有限公司 | Self-flow anti-blocking coal dropping pipe assembly |
-
2015
- 2015-12-11 CN CN201521025194.7U patent/CN205257190U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956255A (en) * | 2017-12-14 | 2019-07-02 | 湖南中联重科混凝土机械站类设备有限公司 | Feeding tube |
| CN109956255B (en) * | 2017-12-14 | 2021-01-29 | 湖南中联重科混凝土机械站类设备有限公司 | Material sliding pipe |
| CN109775162A (en) * | 2019-03-29 | 2019-05-21 | 山东诺德装备有限公司 | Slab-foundation formula accelerates discharging device and its steel silo |
| CN111169897A (en) * | 2020-01-07 | 2020-05-19 | 李建京 | Feeding equipment with automatic dredging function |
| CN111410010A (en) * | 2020-04-07 | 2020-07-14 | 郑州市新玉源机械工业有限公司 | Self-flow anti-blocking coal dropping pipe assembly |
| CN111410010B (en) * | 2020-04-07 | 2022-02-15 | 郑州市新玉源机械工业有限公司 | Self-flow anti-blocking coal dropping pipe assembly |
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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: 20160525 Termination date: 20161211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |