CN210474221U - Horizontal non-sieve coal pulverizer - Google Patents
Horizontal non-sieve coal pulverizer Download PDFInfo
- Publication number
- CN210474221U CN210474221U CN201920482712.XU CN201920482712U CN210474221U CN 210474221 U CN210474221 U CN 210474221U CN 201920482712 U CN201920482712 U CN 201920482712U CN 210474221 U CN210474221 U CN 210474221U
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- Prior art keywords
- plate
- coal
- pulverized coal
- crushing
- pulverizer
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- 239000003245 coal Substances 0.000 title claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000012216 screening Methods 0.000 claims abstract description 30
- 238000010298 pulverizing process Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 5
- 238000007873 sieving Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000002817 coal dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a horizontal non-sieve coal pulverizer, which relates to the field of coal pulverization, and comprises a shell, a feeding port, a transmission channel, a pulverized coal collector, a pulverizer, a pulverized coal auger device, a sieving plate, a pulverized coal collector and a secondary sieving frame, wherein the pulverizer comprises a rotating shaft, a pulverizing plate and a backstop conveying plate, the higher end of the backstop conveying plate is tightly attached to the inner wall of the transmission channel, the lower end of the backstop conveying plate is provided with a raised edge and keeps a distance of 2-5mm from the inner wall of the transmission channel, and the middle part of the backstop conveying plate is provided with a bar-shaped; the shredder plate is rotated a distance of less than 2mm from the nearest end of the stop conveyor plate. The utility model can make coal into coal powder in a low-cost and high-efficiency way by at least more than 3 times of crushing, thereby solving the problem of incomplete crushing; the problem that the screening device is inconvenient to clean due to the fact that coal is easy to block during screening during crushing is structurally avoided.
Description
Technical Field
The utility model relates to a coal field, in particular to horizontal no sieve pulverizer.
Background
Coal is still used in high rate at the present stage and is used in many heating systems. However, stable combustion of coal needs to be ensured by sufficiently fine pulverized coal. Most of the existing coal pulverizers are provided with screening devices, but the screening devices are blocked after long-term use, the discharging is influenced, and the cleaning is not convenient. Meanwhile, for scenes with small batches and needing to be moved, the existing horizontal coal pulverizer is inconvenient to move and process due to large size, and the timely convenient movement and processing crushing effect is not ideal enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the horizontal type sieve-free coal pulverizer solves the problems that a sieve in the horizontal type coal pulverizer is easy to cause coal blockage, is inconvenient to clean and cannot pulverize coal completely.
The utility model adopts the technical scheme as follows:
the horizontal screenless coal pulverizer comprises a shell, wherein a feeding port is arranged at the upper top end of the shell, the feeding port is sequentially connected with a transmission channel and a pulverized coal collector from top to bottom, a pulverizer is arranged in the transmission channel, the pulverizer comprises a rotating shaft, a pulverizing plate and a stopping conveying plate, and the pulverizing plate is arranged right above the stopping conveying plate; the crushing plate can rotate clockwise around the rotating shaft, one end of the crushing plate is provided with rake teeth downwards when the crushing plate is horizontally placed, the other end of the crushing plate is provided with a raised edge upwards, and the middle part of the crushing plate is provided with a rotating mounting hole matched with the rotating shaft; when the stopping conveying plate is arranged in the conveying channel, the stopping conveying plate is obliquely arranged, and one end of the crushing plate, which is firstly contacted with the stopping conveying plate, is higher than one end of the crushing plate, which is withdrawn when the crushing plate rotates; the higher end of the stop conveying plate is tightly attached to the inner wall of the transmission channel, the lower end of the stop conveying plate is provided with a raised edge and keeps a distance of 2-5mm with the inner wall of the transmission channel, and the middle part of the stop conveying plate is provided with a strip-shaped or rectangular leak hole; the distance between the smashing plate and the nearest end of the stopping conveying plate is kept to be less than 2mm when the smashing plate rotates; a pulverized coal auger device is arranged below the transmission channel and above the pulverized coal collector, a screening plate is arranged at the bottom of the pulverized coal auger device, and the pulverized coal collector is arranged below the screening plate; and a secondary screening frame is arranged below the discharge end of the pulverized coal auger device. The crushing plate is used for crushing coal entering from the feeding port, the crushing plate rake teeth are used for performing first-round crushing, the second-round crushing is performed on the coal and the inner wall of the transmission channel and the warped edge of the stopping conveying plate when the stopping conveying plate is rotated to the exit position, coal powder smaller than 2-5mm drops, and the coal powder still larger than the range drops to the stopping conveying plate through the warped edge of the crushing plate again to form a third wheel for crushing. Because the pan feeding mouth does not seal, if because the too high adhesion that leads to of coal water content is at the crushing board or when blocking, can drop through rotatory friction and whipping, avoid influencing normal use. Through the crushing of more than 3 at least rounds, the coal can make the buggy with low cost, efficient mode, has solved and has smashed incomplete problem, has also structurally avoided the easy problem that leads to coal jam, the difficult cleaning screening plant of sieving when smashing simultaneously. The distance between the crushing plate and the nearest end of the stop conveying plate is kept to be less than 2mm when the crushing plate rotates, and the crushing plate can be prevented from damaging the stop conveying plate.
Furthermore, a sawtooth surface is arranged on the inner side of the transmission channel opposite to the raised edge at the lower end of the stop conveying plate. The sawtooth surface can increase the contact area of the coal and the inner wall, improve the crushing efficiency and improve the durability of the transmission channel.
Furthermore, the raised edge of the crushing plate is a circular arc-shaped raised edge. The convex stick-ups limit of crushing board can avoid contacting with the convex stick-ups limit of backstop conveying board hard, and the effect of blockking also can play the coal from the pan feeding mouth splash simultaneously to the wearing and tearing.
Furthermore, the screening plate is composed of two plates provided with a strip-shaped through hole array and used for adjusting the size of the pulverized coal leaked to the pulverized coal collector by the pulverized coal auger device. The size adjustment is realized through the dislocation between the plates, the control can be simple, and the practical use of the engineering is convenient.
Furthermore, a protective cover is arranged on the outer side of the transmission channel and right above the pulverized coal auger device. The protective cover is used for preventing external dust and water from entering or coal dust from splashing out, and the effect of the coal dust is improved.
Furthermore, the secondary screening frame is detachably connected with the pulverized coal collector. The secondary screening frame is convenient to disassemble and then is fed again through the feeding port, and the purpose of circular crushing is achieved.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses horizontal no sieve pulverizer, through the crushing more than 3 at least rounds, the buggy can be made to the coal with low costs, efficient mode, has solved and has smashed incomplete problem.
2. The utility model discloses horizontal no sieve pulverizer from structural having avoided leading to coal to block easily of screening when smashing, the problem of the screening plant of not being convenient for clear up.
3. The utility model discloses horizontal no sieve pulverizer through set up the sawtooth surface at the transmission path inner wall, can make the area of contact increase of coal and inner wall, improves crushing efficiency, and can improve transmission path's durability.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure, 1, a shell, 2, a feeding port, 3, a transmission channel, 4, a crusher, 5, a rotating shaft, 6, a crushing plate, 7, rake teeth, 8, a stop conveying plate, 9, a leakage hole, 10, a pulverized coal auger device, 11, a screening plate, 12, a pulverized coal collector, 13, a secondary screening frame, 14, a sawtooth surface and 15, a protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms include, or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that an element defined by … … is included does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The present invention will be described in detail with reference to fig. 1.
Example 1
The utility model discloses horizontal no sieve pulverizer, including shell 1, the top is provided with pan feeding mouth 2 on shell 1, pan feeding mouth 2 connects gradually with transmission channel 3, fine coal collector 12 top-down, be provided with grinder 4 in the transmission channel 3, grinder 4 includes axis of rotation 5, crushing plate 6, backstop conveying plate 8, crushing plate 6 sets up directly over backstop conveying plate 8; the crushing plate 6 can rotate clockwise around the rotating shaft 5, one end of the crushing plate 6 is provided with rake teeth 7 downwards when being placed horizontally, the other end of the crushing plate is provided with a raised edge upwards, and the middle part of the crushing plate is provided with a rotating mounting hole matched with the rotating shaft; when the stopping and conveying plate 8 is arranged in the conveying channel 3, the stopping and conveying plate 8 is obliquely arranged, and one end of the crushing plate 6, which is firstly contacted with the stopping and conveying plate 8 when rotating, is higher than one end of the crushing plate 6, which is withdrawn; the higher end of the stop conveying plate 8 is tightly attached to the inner wall of the transmission channel 3, the lower end of the stop conveying plate is provided with a raised edge which keeps a distance of 2-5mm with the inner wall of the transmission channel 3, and the middle part of the stop conveying plate is provided with a strip-shaped or rectangular leak hole 9; the distance between the crushing plate 6 and the nearest end of the stop conveying plate 8 is kept less than 2mm when the crushing plate rotates; a pulverized coal auger device is arranged below the transmission channel 3 and above the pulverized coal collector 12, a screening plate 11 is arranged at the bottom of the pulverized coal auger device, and the pulverized coal collector 12 is arranged below the screening plate 11; and a secondary screening frame 13 is arranged below the discharge end of the pulverized coal auger device. The smashing plate 6 is used for smashing coal materials entering from the feeding port 2, the first round smashing is specifically carried out through the harrow teeth 7 of the smashing plate 6, the second round smashing is carried out on the smashing plate and the inner wall of the transmission channel 3 and the warped edge of the backstop conveying plate 8 when the smashing plate 8 is rotated to the exit position of the backstop conveying plate 8, coal powder smaller than 2-5mm drops, and the coal powder still larger than the range drops to the backstop conveying plate 8 through the warped edge of the smashing plate 6 again to form a third round for smashing. Because pan feeding mouth 2 is not sealed, if because the too high adhesion that leads to of coal water content is at crushing board 6 or when blocking, can drop through rotatory friction and whipping, avoid influencing normal use. Through the crushing of more than 3 at least rounds, the coal can make the buggy with low cost, efficient mode, has solved and has smashed incomplete problem, has also structurally avoided the easy problem that leads to coal jam, the difficult cleaning screening plant of sieving when smashing simultaneously. The distance of less than 2mm is maintained with the nearest end of the stopper transfer plate 8 when the pulverizing plate 6 is rotated, and the pulverizing plate 6 can be prevented from damaging the stopper transfer plate 8.
Example 2
This embodiment is further defined on the basis of embodiment 1 as follows: a sawtooth surface 14 is arranged on the inner side of the transmission channel 3 opposite to the warped edge at the lower end of the stop transmission plate 8. The serrated surface 14 can increase the contact area between the coal and the inner wall, improve the pulverization efficiency, and improve the durability of the conveyance passage 3. The warped edge of the crushing plate 6 is a circular arc warped edge. The circular arc-shaped warped edge of the crushing plate 6 can be prevented from being in hard contact with the circular arc-shaped warped edge of the stopping conveying plate 8, abrasion is prevented, and meanwhile, the coal can be prevented from splashing out of the feeding port 2. The screening plate 11 is composed of two plates provided with a bar-shaped through hole array and used for adjusting the size of the pulverized coal leaking from the pulverized coal auger device to the pulverized coal collector 12. The size adjustment is realized through the dislocation between the plates, the control can be simple, and the practical use of the engineering is convenient. And a protective cover 15 is arranged at the outer side of the transmission channel 3 and right above the pulverized coal auger device. The protective cover 15 is used for preventing external dust and water from entering or coal dust from splashing out, and the effect of the coal dust is improved. The secondary screening frame 13 is detachably connected with the pulverized coal collector. The secondary screening frame 13 is convenient to disassemble and then is fed again through the feeding port 2, and the purpose of circular crushing is achieved.
The utility model discloses a working process does: coal enters the conveying channel 3 through the feeding port 2, first round crushing is carried out through the rake teeth 7 of the crushing plate 6, second round crushing is carried out on the inner wall of the conveying channel 3 and the warped edge of the stopping conveying plate 8 when the crushing plate 6 rotates to the exit position of the stopping conveying plate 8, coal dust smaller than 2-5mm falls off, and coal dust still larger than the range falls off to the stopping conveying plate 8 again through the warped edge of the crushing plate 6 to form third round crushing; the pulverized coal enters from the feeding port 2 and then falls to the stopping conveying plate 8 through the transmission of the crushing plate 6, and then falls from the leakage hole 9 of the stopping conveying plate through the action of gravity. The fallen coal falls into a pulverized coal auger device 10, proper pulverized coal falls into a pulverized coal collector 12 through a screening plate 11, and the coal which does not meet the specification falls into a secondary screening frame 13 through a discharge hole of the pulverized coal auger device 10; when the secondary screening frame 13 is fully collected, the materials are sent to the feeding port 2 for further crushing, and the purpose of circulation is achieved.
The above is only 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 can be covered within the protection scope of the present invention without changing or replacing the technical scope of the present invention disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. Horizontal no sieve pulverizer, including shell (1), the top is provided with pan feeding mouth (2) on shell (1), pan feeding mouth (2) and transmission path (3), fine coal collector (12) top-down connect gradually its characterized in that: a pulverizer (4) is arranged in the transmission channel (3), the pulverizer (4) comprises a rotating shaft (5), a pulverizing plate (6) and a stop conveying plate (8), and the pulverizing plate (6) is arranged right above the stop conveying plate (8); the smashing plate (6) can rotate clockwise around the rotating shaft (5), one end of the smashing plate (6) faces downwards when the smashing plate is horizontally placed, harrow teeth (7) are arranged at one end of the smashing plate, a warped edge is arranged at the other end of the smashing plate, and a rotating installation hole matched with the rotating shaft is formed in the middle of the smashing plate; when the stopping conveying plate (8) is arranged in the conveying channel (3), the stopping conveying plate (8) is obliquely arranged, and one end, which is firstly contacted with the stopping conveying plate (8), of the crushing plate (6) is higher than one end, which is withdrawn from the crushing plate (6), of the crushing plate (6) when the crushing plate (6) rotates; the higher end of the stop conveying plate (8) is tightly attached to the inner wall of the transmission channel (3), the lower end of the stop conveying plate is provided with a raised edge and keeps a distance of 2-5mm with the inner wall of the transmission channel (3), and the middle part of the stop conveying plate is provided with a strip-shaped or rectangular leak hole (9); the distance between the crushing plate (6) and the nearest end of the stop conveying plate (8) is kept to be less than 2mm when the crushing plate rotates; a pulverized coal auger device is arranged below the transmission channel (3) and above the pulverized coal collector (12), a screening plate (11) is arranged at the bottom of the pulverized coal auger device, and the pulverized coal collector (12) is arranged below the screening plate (11); and a secondary screening frame (13) is arranged below the discharge end of the pulverized coal auger device.
2. The horizontal screenless coal pulverizer of claim 1, wherein: and a sawtooth surface (14) is arranged on the inner side of the transmission channel (3) opposite to the warped edge at the lower end of the stopping transmission plate (8).
3. The horizontal screenless coal pulverizer of claim 1, wherein: the warped edge of the crushing plate (6) is a circular arc warped edge.
4. The horizontal screenless coal pulverizer of any one of claims 1 to 3, wherein: the screening plate (11) is composed of two plates provided with a strip-shaped through hole array and used for adjusting the size of pulverized coal leaking to the pulverized coal collector (12) by the pulverized coal auger device.
5. The horizontal screenless coal pulverizer of claim 4, wherein: and a protective cover (15) is arranged on the outer side of the transmission channel (3) and right above the pulverized coal auger device.
6. The horizontal screenless coal pulverizer of claim 1, wherein: the secondary screening frame (13) is detachably connected with the pulverized coal collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482712.XU CN210474221U (en) | 2019-04-11 | 2019-04-11 | Horizontal non-sieve coal pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482712.XU CN210474221U (en) | 2019-04-11 | 2019-04-11 | Horizontal non-sieve coal pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210474221U true CN210474221U (en) | 2020-05-08 |
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ID=70484978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920482712.XU Withdrawn - After Issue CN210474221U (en) | 2019-04-11 | 2019-04-11 | Horizontal non-sieve coal pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210474221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967197A (en) * | 2019-04-11 | 2019-07-05 | 庆阳市前进机械制造有限公司 | A kind of horizontal non-screen coal pulverizer |
-
2019
- 2019-04-11 CN CN201920482712.XU patent/CN210474221U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967197A (en) * | 2019-04-11 | 2019-07-05 | 庆阳市前进机械制造有限公司 | A kind of horizontal non-screen coal pulverizer |
| CN109967197B (en) * | 2019-04-11 | 2024-05-03 | 庆阳市前进机械制造有限公司 | Horizontal non-screen coal pulverizer |
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Granted publication date: 20200508 Effective date of abandoning: 20240503 |
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