CN206939491U - A kind of feeder blockage-clearing device - Google Patents
A kind of feeder blockage-clearing device Download PDFInfo
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- CN206939491U CN206939491U CN201720748939.5U CN201720748939U CN206939491U CN 206939491 U CN206939491 U CN 206939491U CN 201720748939 U CN201720748939 U CN 201720748939U CN 206939491 U CN206939491 U CN 206939491U
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- moving knife
- fixed
- cone
- knife
- block clearing
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Abstract
The utility model discloses a kind of feeder blockage-clearing device, including block clearing cavity and located at the block clearing cavity bottom and for the push-pull valve of coal dust disengaging, the block clearing cavity has is sequentially provided with fixed cone from top to bottom, operate cone and fixed cylinder, wall is provided with top moving knife along the fixed cone body, described top moving knife one end is fixed on the operating cone top, middle part stationary knife is provided with along the operating cone inwall, described middle part stationary knife one end is fixed on the fixed cone base, the other end is fixed at the top of the fixed cylinder, the fixed cylinder inwall is provided with bottom moving knife, described bottom moving knife one end is fixed on the operating cone base.Compared with prior art, the utility model is simple in construction, reasonable in design, effectively removes the blocking of defeated coal channel, block clearing efficiency high, ensure that the normal operation of coal supply passage.
Description
Technical field
It the utility model is related to feeder block clearing equipment technical field, and in particular to a kind of feeder blockage-clearing device.
Background technology
Recent years with the diversity of coal used in power plant, has many power plant's reflection feeder import positions to frequently occur
Coal dust blockage problem, especially feeder import push-pull valve, which also frequently occur, blocks the problem of stuck, have impact on the safety of unit
Stable operation.Why coal bunker blocks, and one of its reason is feeder import bore is smaller and viscous coal occurs for push-pull valve position
Chute blockage problem, it is not smooth to result in the lower coal of whole coal bunker, further investigation reveals that the reason for problem above occur as follows：Thermal power plant
After putting into operation, for its fuel from different ore deposit points, impurity content, viscosity are also different, and material is moist during rainy season in addition easily bonds,
Winter cold is easily freezed, and in particular with the increase of moisture in coal, the agglomeration of coal increased dramatically, and coal is in coal bunker to dirty
Extruding force in dynamic process by bulkhead is increasing, and original loose particle is extruded reunion, and characteristic size becomes very big,
When the characteristic size of coal group reaches certain critical value, blocking will occur；Moist coal glues wallboard knot in feed opening in addition
Also so that feed opening becomes increasingly narrow, the probability of blocking increases therewith；Also it is exactly that push-pull valve position coal dust easily lumps, such as
If viscous wall blockage problem occurs in cleaning not in time.
Utility model content
To solve drawbacks described above, the purpose of this utility model is to provide a kind of feeder blockage-clearing device, can effectively solve coal
The blockage problem of powder porch, ensure the normal operation of feeder.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of feeder blockage-clearing device, including block clearing
Cavity and the push-pull valve passed in and out located at the block clearing cavity bottom and for coal dust, the block clearing cavity have from top to bottom successively
Provided with fixed cone, operating cone and fixed cylinder, wall is provided with top moving knife, the top moving knife along the fixed cone body
One end is fixed on the operating cone top, is provided with middle part stationary knife along the operating cone inwall, described middle part stationary knife one end is consolidated
The fixed cone base is scheduled on, the other end is fixed at the top of the fixed cylinder, is provided with down along the fixed cylinder inwall
Portion's moving knife, described bottom moving knife one end are fixed on the operating cone base；The push-pull valve includes valve plate and for limiting valve
The guide groove of plate movement, the bottom moving knife are extended to below valve plate；The feeder valve blockage-clearing device also includes control system
System, the control system control the rotation of the operating cone, and now top moving knife and bottom moving knife rotate with block clearing, now
Push-pull valve is in opening, and when completing block clearing, the top moving knife and bottom moving knife are stopped at close to the middle part stationary knife
Edge, wherein the corresponding rest position in the bottom moving knife of the valve plate is provided with gap, now push-pull valve performs closing and referred to
Order.
Preferably, the operating cone is provided with sealing and tied with the fixed cone, the fixed cylinder junction respectively
Structure.
The bottom moving knife is provided with travel switch in rest position, when bottom moving knife can not be according to the control of control system
When stopping at specified location, the travel switch senses the bottom moving knife, transmits signal to control system, the control system
System sends halt instruction of the bottom moving knife in specified location, while controls push-pull valve to close.
The block clearing containment portion is provided with multiple upright supports.
The utility model when in use, the rotation of operating cone is controlled by control system, so as to drive
Top moving knife, bottom moving knife carry out block clearing to fixed cone and fixed cylinder respectively, and middle part stationary knife transfixion,
By operating the rotation of cone, block clearing is carried out to operating cone inwall, after the completion of block clearing, the top moving knife and bottom moving knife stop
Only close to the edge of the middle part stationary knife, slitted wherein the corresponding rest position in the bottom moving knife of the valve plate is provided with
Mouthful, now push-pull valve performs out code；When bottom moving knife can not stop at specified location according to the control of control system, institute
State travel switch and sense the bottom moving knife, transmit signal to control system, the control system sends bottom moving knife and referred to
The halt instruction put is positioned, while controls push-pull valve to close, realizes that equipment determines the stopping time and has feedback to control system, realizes block clearing knife
Tool and the continuity of push-pull valve work；The bottom moving knife is extended to below valve plate, until scraper passes through valve plate position, this
Sample can in time clear up gate valve plate neck material easy to hang, so as to solve during rotation cleaner operating
Bridging blockage problem inside push-pull valve；The bottom moving knife has fixed stop position, institute inside the fixed cylinder
State the corresponding rest position in the bottom moving knife of valve plate and be provided with gap, to avoid bottom moving knife, avoid the occurrence of bottom moving knife
With the interference of gate valve plate.
Compared with prior art, the utility model is simple in construction, reasonable in design, effectively removes the blocking of defeated coal channel, clearly
Stifled efficiency high, ensure that the normal operation of coal supply passage.
Brief description of the drawings
Structure and features of the present utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 top view.
In accompanying drawing 1 and Fig. 2,1. fix cones, 2. top moving knife, 3. columns, 4. operating cones, 5. middle part stationary knifes, under 6.
Portion's moving knife, 7. valve plates, 8. guide grooves, 9. gap, 10. fixed cylinders.
Embodiment
It is a kind of embodiment of the present utility model referring to accompanying drawing 1.
A kind of feeder blockage-clearing device, including block clearing cavity and located at the block clearing cavity bottom and for coal dust disengaging
Push-pull valve, the block clearing cavity has is sequentially provided with fixed cone 1, operating cone 4 and fixed cylinder 10 from top to bottom, along described
The fixed inwall of cone 1 is provided with top moving knife 2, and described one end of top moving knife 2 is fixed on the top of operating cone 4, along described
The operating inwall of cone 1 is provided with middle part stationary knife 5, and described one end of middle part stationary knife 5 is fixed on the fixed bottom of cone 1, another
End is fixed on the top of fixed cylinder 10, and the inwall of fixed cylinder 10 is provided with bottom moving knife 6, the bottom moving knife 6
One end is fixed on operating cone 4 bottom；The push-pull valve includes valve plate 7 and the guide groove 8 for limiting the movement of valve plate 7,
The bottom moving knife 6 extends to valve plate below 7；The feeder valve blockage-clearing device also includes control system, the control system
System controls the rotation of the operating cone 4, and now top moving knife 2 and bottom moving knife 6 rotate with block clearing, and now push-pull valve is in
Opening, when completing block clearing, the top moving knife 2 and bottom moving knife 6 are stopped at close to the edge of the middle part stationary knife 5, its
Described in the corresponding rest position in the bottom moving knife 6 of valve plate 7 be provided with gap 9, now push-pull valve execution out code.
Preferably, the operating cone 4 is provided with close with the fixed cone 1, the junction of the fixed cylinder 10 respectively
Seal structure.
The bottom moving knife 6 is provided with travel switch in rest position, and the bottom moving knife 6 is provided with row in rest position
Cheng Kaiguan, when bottom moving knife 6 can not stop at specified location according to the control of control system, the travel switch senses institute
Bottom moving knife to be stated, transmits signal to control system, the control system sends halt instruction of the bottom moving knife 6 in specified location,
Push-pull valve is controlled to close simultaneously.
The block clearing containment portion supports provided with multiple columns 3.
The utility model when in use, the rotation of operating cone is controlled by control system, so as to drive
Top moving knife, bottom moving knife carry out block clearing to fixed cone and fixed cylinder respectively, and middle part stationary knife transfixion,
By operating the rotation of cone, block clearing is carried out to operating cone inwall, after the completion of block clearing, the top moving knife and bottom moving knife stop
Only close to the edge of the middle part stationary knife, slitted wherein the corresponding rest position in the bottom moving knife of the valve plate is provided with
Mouthful, now push-pull valve performs out code；When bottom moving knife can not stop at specified location according to the control of control system, institute
State travel switch and sense the bottom moving knife, transmit signal to control system, the control system sends bottom moving knife and referred to
The halt instruction put is positioned, while controls push-pull valve to close, realizes that equipment determines the stopping time and has feedback to control system, realizes block clearing knife
Tool and the continuity of push-pull valve work；The bottom moving knife is extended to below valve plate, until scraper passes through valve plate position, this
Sample can in time clear up gate valve plate neck material easy to hang, so as to solve during rotation cleaner operating
Bridging blockage problem inside push-pull valve；The bottom moving knife has fixed stop position, institute inside the fixed cylinder
State the corresponding rest position in the bottom moving knife of valve plate and be provided with gap, to avoid bottom moving knife, avoid the occurrence of bottom moving knife
With the interference of gate valve plate.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to the utility model
Limitation, retouching, modification or the equivalent substitution that all one of ordinary skill in the art are made as described above, belong to this reality
With new protection domain.
Claims (4)
1. a kind of feeder blockage-clearing device, including block clearing cavity and inserting located at the block clearing cavity bottom and for coal dust disengaging
Plate valve, it is characterised in that：The block clearing cavity has is sequentially provided with fixed cone, operating cone and fixed cylinder from top to bottom,
Wall is provided with top moving knife along the fixed cone body, and described top moving knife one end is fixed on the operating cone top, along institute
State operating cone inwall and be provided with middle part stationary knife, described middle part stationary knife one end is fixed on the fixed cone base, and the other end is fixed
At the top of the fixed cylinder, the fixed cylinder inwall is provided with bottom moving knife, described bottom moving knife one end is fixed on institute
State operating cone base；The push-pull valve includes valve plate and the guide groove for limiting valve plate movement, the bottom moving knife extension
To valve plate；The feeder valve blockage-clearing device also includes control system, and the control system controls the operating cone
Rotation, now top moving knife and bottom moving knife rotate with block clearing, now push-pull valve is in opening, when completing block clearing,
The top moving knife and bottom moving knife are stopped at close to the edge of the middle part stationary knife, wherein the valve plate is corresponding in the bottom
The rest position of moving knife is provided with gap, and now push-pull valve performs out code.
2. feeder blockage-clearing device according to claim 1, it is characterised in that：It is described operating cone respectively with the fixation
Cone, the fixed cylinder junction are provided with sealing structure.
3. feeder blockage-clearing device according to claim 1, it is characterised in that：The bottom moving knife is set in rest position
There is travel switch.
4. feeder blockage-clearing device according to claim 1, it is characterised in that：The block clearing containment portion is provided with multiple vertical
Post supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748939.5U CN206939491U (en) | 2017-06-26 | 2017-06-26 | A kind of feeder blockage-clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748939.5U CN206939491U (en) | 2017-06-26 | 2017-06-26 | A kind of feeder blockage-clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206939491U true CN206939491U (en) | 2018-01-30 |
Family
ID=61364887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720748939.5U Active CN206939491U (en) | 2017-06-26 | 2017-06-26 | A kind of feeder blockage-clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206939491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086776A (en) * | 2019-12-18 | 2020-05-01 | 重庆万盛煤化有限责任公司 | Blockage clearing machine for clearing coal blockage of coal bunker |
-
2017
- 2017-06-26 CN CN201720748939.5U patent/CN206939491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086776A (en) * | 2019-12-18 | 2020-05-01 | 重庆万盛煤化有限责任公司 | Blockage clearing machine for clearing coal blockage of coal bunker |
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