CN215087893U - Coal mill capable of reducing dust pollution - Google Patents
Coal mill capable of reducing dust pollution Download PDFInfo
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- CN215087893U CN215087893U CN202022696384.9U CN202022696384U CN215087893U CN 215087893 U CN215087893 U CN 215087893U CN 202022696384 U CN202022696384 U CN 202022696384U CN 215087893 U CN215087893 U CN 215087893U
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Abstract
The utility model discloses a can reduce dust pollution's coal pulverizer, include: the coal mill comprises a coal mill body, wherein a feed inlet is formed in the top of the coal mill body; the feeding hopper is arranged above the coal mill body; the material guide pipe is fixedly arranged at the bottom of the feed hopper; the two material distributing pipes are fixedly arranged at the bottom ends of the material guide pipes and are communicated with the material guide pipes; the two charging buckets are respectively and fixedly arranged at the bottom ends of the two material distributing pipes; the two connecting pipes are respectively and fixedly arranged at the bottoms of the two charging pots; the material distributing mechanism is arranged at the joint of the two material distributing pipes; and the switch mechanism is arranged on the two connecting pipes. The utility model discloses can avoid the air heater to dry and the in-process buggy of carrying out the buggy is blown to getting into the feeder hopper and get into in the middle of the external environment from the coal pulverizer originally internally, can reduce the waste of buggy, reduce pollution, the reduction production potential safety hazard of buggy to the environment.
Description
Technical Field
The utility model relates to a coal pulverizer technical field especially relates to a can reduce dust pollution's coal pulverizer.
Background
The coal mill body is a machine for crushing and grinding coal blocks into coal powder, has a plurality of forms, and is characterized in that a grinding part consists of two groups of grinding bodies which move relatively, and the coal blocks are extruded and ground between the surfaces of the two groups of grinding bodies to be crushed; meanwhile, hot air introduced into the coal mill body dries coal, and the coal powder is sent to a separator at the upper part of the milling area, after separation, the coal powder with a certain particle size is taken out of the mill along with air flow, and the coarse-particle coal powder returns to the milling area for re-milling.
Traditional coal pulverizer body is at the during operation, its feed inlet and inside mill district and buggy conveying system are the intercommunication, hot-blast in-process drying well the transport to the buggy, also can blow off a small amount of buggy from the feed inlet of coal pulverizer body to this external operational environment of coal pulverizer, not only cause the waste, also can cause the pollution to the environment, cause the injury to staff's health, and simultaneously, the buggy meets the possibility that naked light can explode in the air, bring the potential safety hazard for production.
Therefore, there is a need for a coal pulverizer capable of reducing dust pollution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned not enough that exists among the prior art, and provide a but the coal pulverizer of a structural design is reasonable to reduce dust pollution, can avoid the air heater to dry and get into in the middle of the external environment from this internal entering feeder hopper of blown of in-process buggy from the coal pulverizer to the buggy to reduce the waste of buggy, reduce the pollution of buggy to the environment, reduce the injury that the buggy caused to staff's health, reduce the production potential safety hazard.
The utility model provides a technical scheme that above-mentioned problem adopted is: a coal pulverizer for reducing dust pollution, comprising:
the coal mill comprises a coal mill body, wherein a feed inlet is formed in the top of the coal mill body;
the feed hopper is arranged above the coal mill body;
the material guide pipe is fixedly arranged at the bottom of the feed hopper;
the two material distributing pipes are fixedly arranged at the bottom ends of the material guide pipes and are communicated with the material guide pipes;
the two charging buckets are respectively and fixedly installed at the bottom ends of the two distributing pipes;
the two connecting pipes are fixedly arranged at the bottoms of the two charging buckets respectively;
the material distributing mechanism is arranged at the joint of the two material distributing pipes;
and the switch mechanisms are arranged on the two connecting pipes.
Further, feed mechanism includes pivot, branch flitch, first motor, first conical gear and second conical gear, the pivot is rotated and is installed two divide in the material pipe, divide flitch fixed mounting in the pivot, divide the flitch with two divide material pipe homogeneous phase adaptation, first motor fixed mounting is two divide one side of handing-over department of material pipe, first conical gear fixed mounting be in on the output shaft of first motor, second conical gear fixed mounting be in the one end of pivot, second conical gear with first conical gear meshes mutually.
Further, the switch mechanism comprises a mounting plate, two fixing blocks, a sleeve, a threaded rod, two connecting blocks, a limiting rod, two switch plates, a base, a second motor, a main gear and a transmission gear, the mounting plate is fixedly mounted on the two charging tanks, the two fixing blocks are fixedly mounted at the bottom of the mounting plate, the sleeve is rotatably mounted on the two fixing blocks, the threaded rod is in threaded mounting in the sleeve, the threaded rod penetrates through the sleeve, the two connecting blocks are respectively and fixedly mounted at two ends of the threaded rod, the limiting rod is fixedly mounted at one side where the two connecting blocks are close to each other, the two switch plates are respectively and fixedly mounted at one side where the two connecting blocks are far away from each other, the base is fixedly mounted on the two connecting pipes, and the second motor is fixedly mounted at the top of the base, the main gear is fixedly installed on an output shaft of the second motor, the transmission gear is fixedly sleeved on the sleeve, the transmission gear is arranged between the two fixing blocks, and the transmission gear is meshed with the main gear.
Further, the feed inlet has been seted up to the bottom of feeder hopper, the feed inlet with the passage is linked together, the intercommunicating pore has all been seted up at the bottom and the top of material jar, divide the material pipe with the connecting pipe respectively with corresponding the intercommunicating pore is linked together, two the connecting pipe all with the feed inlet of coal pulverizer body is linked together.
Further, an internal thread is formed in the inner wall of the sleeve, the threaded rod is in threaded connection with the inner wall of the sleeve, two rotating holes are formed in the fixing block, a bearing is fixedly mounted in each rotating hole, two bearings are fixedly sleeved on the inner ring of each bearing, two limiting holes are formed in the fixing block, the limiting rods penetrate through the two limiting holes, and the limiting rods are in sliding connection with the two limiting holes.
Furthermore, the inner walls of the two sides of the connecting pipe are respectively provided with a sliding groove and a sliding hole, and the switch board is in sliding connection with the corresponding sliding groove and the corresponding sliding hole.
Compared with the prior art, the utility model, have following advantage and effect: the utility model provides a can reduce dust pollution's coal pulverizer, through the coal pulverizer body, the feeder hopper, the passage, divide the material pipe, the material jar, the connecting pipe, feed mechanism and on-off mechanism cooperate, this internal in-process of carrying out the material loading to the coal pulverizer, avoid the air heater to carry out the stoving and the in-process buggy of carrying to the buggy from this internal being blown to getting into the feeder hopper and getting into in the middle of the external environment from the coal pulverizer, the waste of buggy has been reduced, the pollution of buggy to the environment has been reduced, the injury that the buggy caused staff health has been reduced, production potential safety hazard has been reduced.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a coal pulverizer for reducing dust pollution according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B shown in FIG. 1;
FIG. 4 is an enlarged view of the portion C shown in FIG. 3;
fig. 5 is a schematic side view of the material distributing mechanism of the present invention.
In the figure: the coal mill comprises a coal mill body 1, a feed hopper 2, a material guide pipe 3, a material distribution pipe 4, a charging bucket 5, a connecting pipe 6, a rotating shaft 7, a material distribution plate 8, a first motor 9, a first bevel gear 10, a second bevel gear 11, a mounting plate 12, a fixing block 13, a sleeve 14, a threaded rod 15, a connecting block 16, a limiting rod 17, a switch plate 18, a base 19, a second motor 20, a main gear 21 and a transmission gear 22.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1 to 5, a coal pulverizer capable of reducing dust pollution includes:
the coal mill comprises a coal mill body 1, wherein a feed inlet is formed in the top of the coal mill body 1;
the feed hopper 2 is arranged above the coal mill body 1;
the material guide pipe 3 is fixedly arranged at the bottom of the feed hopper 2;
the two material distributing pipes 4 are fixedly arranged at the bottom ends of the material guide pipes 3, and the two material distributing pipes 4 are communicated with the material guide pipes 3;
the two charging buckets 5 are respectively and fixedly arranged at the bottom ends of the two material distributing pipes 4;
the two connecting pipes 6 are respectively and fixedly arranged at the bottoms of the two charging pots 5;
the material distributing mechanism is arranged at the joint of the two material distributing pipes 4;
and the switch mechanism is arranged on the two connecting pipes 6.
Concretely, feed mechanism includes pivot 7, divide flitch 8, first motor 9, first bevel gear 10 and second bevel gear 11, pivot 7 rotates to be installed in two branch material pipes 4, divide flitch 8 fixed mounting on pivot 7, divide flitch 8 and two branch material pipes 4 homogeneous phase adaptations, first motor 9 fixed mounting divides one side of handing-over department of material pipe 4 at two, first bevel gear 10 fixed mounting is on the output shaft of first motor 9, second bevel gear 11 fixed mounting is in the one end of pivot 7, second bevel gear 11 and first bevel gear 10 mesh mutually.
Specifically, the switch mechanism comprises a mounting plate 12, two fixing blocks 13, a sleeve 14, a threaded rod 15, two connecting blocks 16, a limiting rod 17, two switch plates 18, a base 19, a second motor 20, a main gear 21 and a transmission gear 22, wherein the mounting plate 12 is fixedly arranged on two charging buckets 5, the two fixing blocks 13 are both fixedly arranged at the bottom of the mounting plate 12, the sleeve 14 is rotatably arranged on the two fixing blocks 13, the threaded rod 15 is arranged in the sleeve 14 in a threaded manner, the threaded rod 15 penetrates through the sleeve 14, the two connecting blocks 16 are respectively and fixedly arranged at two ends of the threaded rod 15, the limiting rod 17 is fixedly arranged at one side, close to each other, of the two connecting blocks 16, the two switch plates 18 are respectively and fixedly arranged at one side, far away from each other, the base 19 is fixedly arranged on the two connecting pipes 6, the second motor 20 is fixedly arranged at the top of the base 19, the main gear 21 is fixedly arranged on an output shaft of the second motor 20, the transmission gear 22 is fixedly sleeved on the sleeve 14, the transmission gear 22 is arranged between the two fixed blocks 13, and the transmission gear 22 is meshed with the main gear 21.
Specifically, the feed inlet has been seted up to the bottom of feeder hopper 2, and the feed inlet is linked together with passage 3, and the intercommunicating pore has all been seted up at the bottom and the top of material jar 5, divides material pipe 4 and connecting pipe 6 to be linked together with corresponding intercommunicating pore respectively, and two connecting pipes 6 all are linked together with the feed inlet of coal pulverizer body 1.
Specifically, the internal thread has been seted up on the inner wall of sleeve 14, threaded rod 15 and sleeve 14's inner wall threaded connection have all seted up the rotation hole on two fixed blocks 13, and equal fixed mounting has a bearing in two rotation holes, and the equal fixed cover of inner circle of two bearings is established on sleeve 14, has all seted up spacing hole on two fixed blocks 13, and gag lever post 17 runs through two spacing holes, gag lever post 17 and two spacing hole sliding connection.
Specifically, the inner walls of the two sides of the connecting pipe 6 are respectively provided with a sliding groove and a sliding hole, and the switch board 18 is slidably connected with the corresponding sliding groove and sliding hole.
The utility model provides a can reduce dust pollution's coal pulverizer's theory of operation as follows: the first motor 9 and the second motor 20 in the device are controlled by an external control cabinet;
as shown in fig. 1, in use, the coal briquette is continuously fed from the feed hopper 2, and in an initial state, the material distributing plate 8 blocks the inlet of the material distributing pipe 4 on the right side, the switch plate 18 on the left side blocks the connecting pipe 6 on the left side, and the connecting pipe 6 on the right side is in an open state;
then, the coal blocks which are continuously input enter the left charging bucket 5 through the left material distributing pipe 4 for temporary storage, when the coal blocks in the left charging bucket 5 are full, the first motor 9 and the second motor 20 are started to rotate in the positive direction, the output shaft of the first motor 9 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 11 to rotate, the second bevel gear 11 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the material distributing plate 8 to rotate, the material distributing plate 8 plugs the inlet of the left material distributing pipe 4, the inlet of the right material distributing pipe 4 is opened, and the coal blocks which are continuously input into the feeding hopper 2 enter the right material distributing pipe 4;
an output shaft of the second motor 20 drives the main gear 21 to rotate, the main gear 21 drives the transmission gear 22 to rotate, the transmission gear 22 drives the sleeve 14 to rotate, the sleeve 14 drives the threaded rod 15 to move rightwards, the threaded rod 15 drives the connecting block 16 to move rightwards, the connecting block 16 drives the limiting rod 17 to slide rightwards in the limiting hole on the fixing block 13, meanwhile, the threaded rod 15 drives the two switch boards 18 to move rightwards, the switch board 18 on the right side enters the connecting pipe 6 to block the connecting pipe 6, so that coal blocks entering the charging bucket 5 on the right side can be stored in the charging bucket 5 on the right side, the switch board 18 on the left side moves rightwards to open the connecting pipe 6 on the left side, the coal blocks stored in the charging bucket 5 on the left side fall down and enter the coal mill body 1 from a feed inlet at the top of the coal mill body 1 to be ground into coal powder by the coal mill body 1, and the coal blocks stored in the charging bucket 5 on the left side fall down into the coal mill body 1, the left material distributing pipe 4 is closed by the material distributing plate 8, and the right connecting pipe 6 is closed by the right switch plate 18, so that in the process of feeding materials into the coal mill body 1, the pulverized coal cannot be blown out of the feed hopper 2 to enter the external environment in the process of drying and conveying the pulverized coal after grinding by the air heater;
when the coal blocks stored in the left charging bucket 5 fall off and the right charging bucket 5 is filled with the coal blocks, the first motor 9 and the second motor 20 are started to reversely rotate, the material distributing plate 8 closes the material distributing pipe 4 on the right side, the material distributing pipe 4 on the left side is opened, the switch plate 18 on the right side opens the connecting pipe 6 on the right side, the switch plate 18 on the left side closes the connecting pipe 6 on the left side, at the moment, the coal blocks stored in the right charging bucket 5 start to flow down into the coal mill body 1, and the coal blocks continuously thrown into the feed hopper 2 flow down into the left charging bucket 5 for storage;
the positive and negative rotation of the first motor 9 and the second motor 20 are controlled through the control cabinet, so that the coal pulverizer body 1 is continuously fed, and the pulverized coal after being milled is dried and conveyed by the air heater in the process of being dried and conveyed by the air heater through the corresponding closing and opening of the two material distributing pipes 4 and the two connecting pipes 6.
Those not described in detail in this specification are well within the skill of the art.
In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A coal pulverizer for reducing dust pollution, comprising:
the coal mill comprises a coal mill body (1), wherein a feeding hole is formed in the top of the coal mill body (1);
the feed hopper (2) is arranged above the coal mill body (1);
the material guide pipe (3) is fixedly arranged at the bottom of the feed hopper (2);
the two material distributing pipes (4) are fixedly arranged at the bottom ends of the material guiding pipes (3), and the two material distributing pipes (4) are communicated with the material guiding pipes (3);
the two charging buckets (5) are respectively and fixedly arranged at the bottom ends of the two material distributing pipes (4);
the two connecting pipes (6) are respectively and fixedly arranged at the bottoms of the two charging buckets (5);
the material distributing mechanism is arranged at the joint of the two material distributing pipes (4);
the switch mechanisms are arranged on the two connecting pipes (6).
2. The coal pulverizer capable of reducing dust pollution according to claim 1, wherein the material dividing mechanism comprises a rotating shaft (7), a material dividing plate (8), a first motor (9), a first bevel gear (10) and a second bevel gear (11), the rotating shaft (7) is rotatably arranged in the two material distributing pipes (4), the material distributing plate (8) is fixedly arranged on the rotating shaft (7), the material distributing plate (8) is matched with the two material distributing pipes (4), the first motor (9) is fixedly arranged on one side of the joint of the two material distributing pipes (4), the first bevel gear (10) is fixedly arranged on an output shaft of the first motor (9), the second bevel gear (11) is fixedly arranged at one end of the rotating shaft (7), the second bevel gear (11) and the first bevel gear (10) are meshed.
3. The coal pulverizer capable of reducing dust pollution according to claim 1, wherein the switching mechanism comprises a mounting plate (12), two fixing blocks (13), a sleeve (14), a threaded rod (15), two connecting blocks (16), a limiting rod (17), two switch plates (18), a base (19), a second motor (20), a main gear (21) and a transmission gear (22), the mounting plate (12) is fixedly mounted on the two charging buckets (5), the two fixing blocks (13) are both fixedly mounted at the bottom of the mounting plate (12), the sleeve (14) is rotatably mounted on the two fixing blocks (13), the threaded rod (15) is threadedly mounted in the sleeve (14), the threaded rod (15) penetrates through the sleeve (14), and the two connecting blocks (16) are respectively and fixedly mounted at two ends of the threaded rod (15), gag lever post (17) fixed mounting is two one side that connecting block (16) are close to each other, two switch board (18) fixed mounting respectively is two one side that connecting block (16) kept away from each other, base (19) fixed mounting is two on connecting pipe (6), second motor (20) fixed mounting be in the top of base (19), master gear (21) fixed mounting be in on the output shaft of second motor (20), fixed the cover of drive gear (22) is established on sleeve (14), two are located in drive gear (22) between fixed block (13), drive gear (22) with master gear (21) mesh mutually.
4. The coal mill capable of reducing dust pollution according to claim 1, wherein a feed inlet is formed in the bottom of the feed hopper (2), the feed inlet is communicated with the material guide pipe (3), communication holes are formed in the bottom and the top of the charging bucket (5), the material distribution pipe (4) and the connecting pipes (6) are respectively communicated with the corresponding communication holes, and the two connecting pipes (6) are communicated with the feed inlet of the coal mill body (1).
5. The coal mill capable of reducing dust pollution according to claim 3, wherein an inner wall of the sleeve (14) is provided with an internal thread, the threaded rod (15) is in threaded connection with the inner wall of the sleeve (14), two fixing blocks (13) are provided with rotating holes, bearings are fixedly mounted in the two rotating holes, inner rings of the two bearings are fixedly sleeved on the sleeve (14), two fixing blocks (13) are provided with limiting holes, the limiting rod (17) penetrates through the two limiting holes, and the limiting rod (17) is in sliding connection with the two limiting holes.
6. The coal mill capable of reducing dust pollution according to claim 3, wherein the connecting pipe (6) is provided with a sliding groove and a sliding hole on the inner wall of both sides thereof, and the switch plate (18) is slidably connected with the corresponding sliding groove and sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696384.9U CN215087893U (en) | 2020-11-19 | 2020-11-19 | Coal mill capable of reducing dust pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696384.9U CN215087893U (en) | 2020-11-19 | 2020-11-19 | Coal mill capable of reducing dust pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215087893U true CN215087893U (en) | 2021-12-10 |
Family
ID=79262393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022696384.9U Active CN215087893U (en) | 2020-11-19 | 2020-11-19 | Coal mill capable of reducing dust pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215087893U (en) |
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2020
- 2020-11-19 CN CN202022696384.9U patent/CN215087893U/en active Active
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