CN220160128U - Air swept mill discharging device - Google Patents
Air swept mill discharging device Download PDFInfo
- Publication number
- CN220160128U CN220160128U CN202321178714.2U CN202321178714U CN220160128U CN 220160128 U CN220160128 U CN 220160128U CN 202321178714 U CN202321178714 U CN 202321178714U CN 220160128 U CN220160128 U CN 220160128U
- Authority
- CN
- China
- Prior art keywords
- piece
- pipe
- coal
- grinding tank
- connecting pipe
- 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.)
- Active
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 41
- 239000003245 coal Substances 0.000 claims abstract description 79
- 238000000227 grinding Methods 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010408 sweeping Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003801 milling Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model provides a wind-sweeping mill discharging device, which belongs to the technical field of coal milling, and the wind-sweeping mill discharging device is characterized in that a coal milling tank is used for milling materials; the ball discharging assembly is arranged on the coal grinding tank and comprises an installation pipe communicated with the inside of the coal grinding tank and a guide part arranged in the coal grinding tank, a detachable connecting pipe is arranged on the installation pipe, a blocking piece used for blocking the installation pipe is arranged in the middle of the connecting pipe, an elastic piece is further arranged between the blocking piece and the connecting pipe, and the elastic piece can enable the blocking piece to move towards the inside of the coal grinding tank. The utility model has the beneficial effects that: a ball outlet assembly is arranged on the coal grinding tank, and when the steel balls in the coal grinding tank are damaged, new steel balls can be put into the coal grinding tank through the ball outlet assembly; the grinding head lining plate is provided with a discharging piece, and steel balls in the coal grinding tank are prevented from overflowing in the rotation process of the coal grinding tank through the reverse spiral blades in the discharging piece.
Description
Technical Field
The utility model belongs to the technical field of coal mills, and particularly relates to a wind sweeping mill discharging device.
Background
Because the pulverized coal has the characteristics of high heat value, full combustion and the like, the pulverized coal preparation system can be widely applied to industries such as buildings, metallurgy, chemical industry, cement, refractory materials, lime and the like in a matched manner, the demand is also rapidly increased, and meanwhile, the product quality requirement on the pulverized coal is also higher. The air-swept coal mill is an important device for grinding raw coal into coal powder in the preparation and production of coal powder.
When the mill cylinder rotates, the hard steel balls are carried to continuously perform projectile motion under the action of friction force, the materials are highly crushed under the impact and grinding of the moving hard steel balls, and the crushed materials are discharged through the negative pressure of the discharge end.
When pulverized coal of the air-swept coal mill with the traditional structure is discharged through negative pressure, some broken steel balls in the air-swept coal mill cylinder body can enter a gap between the discharge pipe and the horn mouth, so that larger noise can be generated, an air leakage phenomenon can occur, and the pulverizing efficiency of the air-swept coal mill is reduced.
We have therefore proposed a swept mill discharge device in order to solve the problems set out above.
It should be noted that the information disclosed in the background section of the present utility model is only for increasing the understanding of the general background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The utility model provides a wind sweeping mill discharging device, which solves the problem that the coal mill x is mentioned in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wind-sweeping mill discharging device, includes the coal grinding jar for grind the material;
the ball outlet assembly is arranged on the coal grinding tank and comprises an installation pipe communicated with the inside of the coal grinding tank and a guide part arranged in the coal grinding tank, a detachable connecting pipe is arranged on the installation pipe, a blocking piece for blocking the installation pipe is arranged in the middle of the connecting pipe, an elastic piece is further arranged between the blocking piece and the connecting pipe, the elastic piece can enable the blocking piece to move towards the inside of the coal grinding tank, and the blocking piece can support a steel ball;
the grinding head lining plate is arranged on the coal grinding tank;
and the discharging piece is arranged on the grinding head lining plate and comprises a reverse spiral blade arranged in the discharging piece.
Further, the guide portion is provided obliquely toward the mounting pipe, and the guide portion is provided in a horizontal direction.
Further, a through hole is formed in the top of the connecting pipe, and a mounting hole is formed in the top of the connecting pipe.
Further, protruding portions extend outwards from the outer edge of the connecting pipe, the number of the protruding portions is multiple, and the protruding portions are arranged at equal intervals along the circumferential direction of the connecting pipe.
Further, the installation Kong Zhongan is provided with an installation piece capable of sliding up and down, one end of the installation piece is provided with a limiting piece, and the limiting piece is located above the connecting pipe.
Further, the top of the material blocking piece is connected with the other end of the mounting piece, and the shape of the material blocking piece is matched with the inner surface of the mounting pipe.
Further, one end of the elastic piece is connected with the top of the blocking piece, and the other end of the elastic piece is connected with the bottom of the connecting pipe.
Furthermore, the grinding head lining plate and the discharging piece are both in a horn shape with a large left side and a small right side, and the right end of the grinding head lining plate is connected with the left side of the discharging piece.
Further, the novel pipe connecting device further comprises a connecting component and a discharging pipe, wherein the connecting component comprises a short pipe and a mounting groove formed in the right end of the short pipe, and a sealing groove is formed in the right side of the short pipe.
Further, a sealing element is arranged in the mounting groove.
Compared with the prior art, the utility model has the beneficial effects that:
a ball outlet assembly is arranged on the coal grinding tank, and when the steel balls in the coal grinding tank are damaged, new steel balls can be put into the coal grinding tank through the ball outlet assembly.
And secondly, a discharging piece is arranged on the grinding head lining plate, and steel balls in the coal grinding tank are prevented from overflowing in the rotation process of the coal grinding tank through reverse spiral blades in the discharging piece.
And the discharging pipe is further arranged on the discharging piece through the connecting component, the sealing performance of connection between the discharging piece and the discharging pipe is improved by the connecting component, and the problem of air leakage in the coal grinding tank is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present utility model.
Fig. 3 is a schematic view of an exploded view of a ball dispensing assembly according to an embodiment of the present utility model.
Fig. 4 is an exploded view of a connection assembly according to an embodiment of the present utility model.
In the figure: 1. a delivery tube;
2. a coal grinding tank; 21. a driving part;
3. a ball outlet assembly; 30. a guide part; 31. installing a pipe; 32. a connecting pipe; 33. a through hole; 34. a boss; 35. a mounting hole; 36. a material blocking piece; 37. a mounting member; 38. a limiting piece; 39. an elastic member;
4. grinding head lining board;
5. a discharging piece; 51. reverse helical blades;
6. a connection assembly; 61. a short pipe; 62. a mounting groove; 63. sealing grooves; 64. a seal;
7. and a discharging pipe.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 2, the present utility model provides the following technical solutions: the utility model provides a wind-sweeping mill discharging device, including conveyer pipe 1, rotate on the conveyer pipe 1 and install mill coal jar 2, can carry the material to mill coal jar 2 through conveyer pipe 1 in, be provided with out ball subassembly 3 on the mill coal jar 2, when the inside steel ball of mill coal jar 2 damages, can throw into new steel ball in the mill coal jar 2 through out ball subassembly 3, and be provided with grinding head welt 4 at the right-hand member of mill coal jar 2, and be provided with ejection of compact piece 5 on grinding head welt 4, through reverse helical blade 51 in ejection of compact piece 5, avoided mill coal jar 2 in the rotation in-process, steel ball in the mill coal jar 2 is excessive, and still install discharging pipe 7 through coupling assembling 6 on the ejection of compact piece 5, coupling assembling 6 has increased the sealing performance of being connected between ejection of compact piece 5 and the discharging pipe 7, the problem of air leakage in the mill coal jar 2 has been avoided.
Specifically, the conveyer pipe 1 is rotationally connected with the coal grinding tank 2, the conveyer pipe 1 conveys materials into the coal grinding tank 2, and a driving part 21 is sleeved on the outer surface of the coal grinding tank 2, wherein the driving part 21 is connected with an external driving source, when the driving source is started, the driving source can drive the coal grinding tank 2 to rotate through the driving part 21, when the coal grinding tank 2 rotates, steel balls in the coal grinding tank 2 are continuously driven to perform projectile motion due to friction force, and the materials are highly crushed due to the impact and grinding of the moving steel balls.
The ball discharging assembly 3 comprises a guiding part 30 and a mounting pipe 31 arranged at the right end of the outer surface of the coal grinding tank 2, wherein the guiding part 30 is horizontally arranged on the inner surface of the coal grinding tank 2, the guiding part 30 is positioned at the left side of the mounting pipe 31, the top of the guiding part 30 is inclined, one side close to the mounting pipe 31 is at the lower end, when the coal grinding tank 2 rotates to the lowest position of the mounting pipe 31, steel balls in the coal grinding tank 2 can move into the mounting pipe 31 through the guiding part 30, the bottom of the mounting pipe 31 is communicated with the inside of the coal grinding tank 2, a connecting pipe 32 is connected with the outer surface of the mounting pipe 31 in a threaded manner, so that the connecting pipe 32 and the mounting pipe 31 are convenient to detach, through holes 33 are formed at the top of the connecting pipe 32, the number of the through holes 33 is at least one, and the through holes 33 are equidistantly arranged along the circumferential direction of the connecting pipe 32, the outer surface edge of the connecting pipe 32 is outwards extended with a plurality of protruding parts 34, the protruding parts 34 are in a plurality of numbers, the protruding parts 34 are equidistantly arranged along the circumferential direction of the connecting pipe 32, the connecting pipe 32 can be conveniently rotated by workers through the protruding parts 34, the top of the connecting pipe 32 is provided with a mounting hole 35, a mounting piece 37 capable of sliding up and down is mounted in the mounting hole 35, one end of the mounting piece 37 is mounted with a limiting piece 38, the limiting piece 38 is positioned above the connecting pipe 32 and plays a limiting role on the mounting piece 37, the other end of the mounting piece 37 is fixed with a blocking piece 36, the shape of the blocking piece 36 is matched with the inner surface of the mounting pipe 31, the blocking piece 36 can move up and down along the inner surface of the mounting pipe 31, the blocking piece 36 can rotate in the mounting pipe 31, in addition, the outer surface of the mounting piece 37 is sleeved with an elastic piece 39, in this embodiment, the elastic member 39 is a spring, one end of the elastic member 39 is fixed to the top of the plugging member 36, the other end of the elastic member 39 is in contact with the bottom of the connecting pipe 32, when the plugging member 36 rotates, the connection between the elastic member 39 and the connecting pipe 32 does not affect the rotation of the elastic member 39 and the plugging member 36, meanwhile, the elastic member 39 does not affect the downward elasticity of the plugging member 36, steel balls can be contained in the plugging member 36, the plugging member 36 is moved downward by the gravity of the steel balls, a plurality of steel balls can be stacked, at this time, the connecting pipe 32 is opened, the steel balls can be discharged from the coal grinding tank 2, by virtue of the structure, when the steel balls need to be thrown into the coal grinding tank 2, the connecting pipe 32 is not required to be rotated to the lowest position, only the connecting pipe 32 is required to be unscrewed from the mounting pipe 31, the connecting pipe 32 can drive the plugging member 36 to move together, the mounting pipe 31 is opened, at this time, the new steel balls are thrown into the coal grinding tank 2 through the mounting pipe 31, and finally the connecting pipe 32 is mounted on the mounting pipe 31.
The right end of the coal grinding tank 2 is provided with a grinding head lining plate 4 through a bolt, the shape of the grinding head lining plate 4 is a horn shape with big left and small right, so that the resistance of wind can be reduced, the coal dust can be discharged more smoothly, and meanwhile, the steel balls can be slowed down to be discharged out of the coal grinding tank 2; and the right end of the grinding head lining plate 4 is also fixed with a discharging piece 5, the discharging piece 5 is also in a horn shape with a large left side and a small right side, and a reverse spiral blade 51 is arranged on the inner surface of the discharging piece 5, so that the steel ball moves towards the inside of the grinding coal tank 2 in the rotating process of the grinding coal tank 2, and the steel ball is prevented from overflowing.
The coupling assembling 6 includes the nozzle stub 61 of fixing in the right-hand member of ejection of compact piece 5, the mounting groove 62 has been seted up at the right-hand member of nozzle stub 61, the mounting groove 62 can make the discharging pipe 7 pegged graft, make between discharging pipe 7 and the mounting groove 62 can rotate relatively, when nozzle stub 61 rotates, discharging pipe 7 is located the static state, seal groove 63 has still been seted up on the right side of nozzle stub 61, seal groove 63 communicates with each other with the inside of mounting groove 62, still be provided with sealing member 64 in the mounting groove 62, in this embodiment, sealing member 64 is oily asbestos packing, when discharging pipe 7 pegged graft in the mounting groove 62 on nozzle stub 61, sealing member 64 can play sealed effect to the junction of discharging pipe 7 and nozzle stub 61, prevent the air leakage, and be convenient for change sealing member 64.
It should be noted that a negative pressing piece is installed at the discharge hole of the discharge pipe 7, and pulverized coal ground in the coal grinding tank 2 can be pumped out of the coal grinding tank 2 through the negative pressing piece.
The concrete theory of operation, conveyer pipe 1 carries the material to the coal grinding jar 2 in, the outside actuating source starts, the actuating source can drive the coal grinding jar 2 through actuating component 21 and rotate, when the coal grinding jar 2 rotates, the inside steel ball of coal grinding jar 2 is carried in succession and is thrown the motion because of frictional force effect, and the material is highly smashed because the impact and the grinding of receiving the steel ball of motion, and reverse helical blade 51 and the grinding head welt 4 that are loudspeaker shape that set up in the ejection of compact piece 5, make the coal grinding jar 2 in rotatory in-process, the steel ball moves to the inside of coal grinding jar 2 to prevent the steel ball overflow.
Claims (10)
1. A swept mill discharge device, comprising:
a coal grinding tank (2) for grinding materials;
the ball outlet assembly (3) is arranged on the coal grinding tank (2) and comprises an installation pipe (31) communicated with the inside of the coal grinding tank (2) and a guide part (30) arranged in the coal grinding tank (2), a detachable connecting pipe (32) is arranged on the installation pipe (31), a blocking piece (36) used for blocking the installation pipe (31) is arranged in the middle of the connecting pipe (32), an elastic piece (39) is further arranged between the blocking piece (36) and the connecting pipe (32), the elastic piece (39) can enable the blocking piece (36) to move towards the inside of the coal grinding tank (2), and the blocking piece (36) can support a steel ball;
a grinding head lining plate (4) arranged on the coal grinding tank (2);
the discharging piece (5) is arranged on the grinding head lining plate (4) and comprises a reverse spiral blade (51) arranged in the discharging piece (5).
2. A swept mill discharge apparatus according to claim 1, wherein: the guide portion (30) is disposed obliquely toward the mounting pipe (31), and the guide portion (30) is disposed in a horizontal direction.
3. A swept mill discharge apparatus according to claim 1, wherein: the top of connecting pipe (32) has seted up through-hole (33), and mounting hole (35) have been seted up at the top of connecting pipe (32).
4. A swept mill discharge apparatus according to claim 1, wherein: the outer edge of the connecting pipe (32) is outwards extended with a plurality of protruding parts (34), and the protruding parts (34) are arranged at equal intervals along the circumferential direction of the connecting pipe (32).
5. A swept mill discharge apparatus according to claim 3, wherein: install installed in mounting hole (35) can reciprocate mounting (37) one end is provided with locating part (38), locating part (38) are located the top of connecting pipe (32).
6. A swept mill discharge apparatus according to claim 5, wherein: the top of the material blocking piece (36) is connected with the other end of the mounting piece (37), and the shape of the material blocking piece (36) is matched with the inner surface of the mounting pipe (31).
7. A swept mill discharge apparatus according to claim 1, wherein: one end of the elastic piece (39) is connected with the top of the blocking piece (36), and the other end of the elastic piece (39) is connected with the bottom of the connecting pipe (32).
8. A swept mill discharge apparatus according to claim 1, wherein: the grinding head lining plate (4) and the discharging piece (5) are in a horn shape with large left and small right, and the right end of the grinding head lining plate (4) is connected with the left side of the discharging piece (5).
9. A swept mill discharge apparatus according to any one of claims 1 to 8, wherein: the novel pipe discharging device is characterized by further comprising a connecting assembly (6) and a discharging pipe (7), wherein the connecting assembly (6) comprises a short pipe (61) and a mounting groove (62) formed in the right end of the short pipe (61), and a sealing groove (63) is formed in the right side of the short pipe (61).
10. A swept mill discharge apparatus according to claim 9, wherein: a seal (64) is also provided in the mounting groove (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321178714.2U CN220160128U (en) | 2023-05-16 | 2023-05-16 | Air swept mill discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321178714.2U CN220160128U (en) | 2023-05-16 | 2023-05-16 | Air swept mill discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220160128U true CN220160128U (en) | 2023-12-12 |
Family
ID=89068071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321178714.2U Active CN220160128U (en) | 2023-05-16 | 2023-05-16 | Air swept mill discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220160128U (en) |
-
2023
- 2023-05-16 CN CN202321178714.2U patent/CN220160128U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211385344U (en) | Powder grinding device of vertical paint pulverizer | |
| CN205868473U (en) | Rubbing crusher with environmental protection | |
| CN114558875B (en) | Building energy conservation environmental protection is with dustless recovery unit of waste material | |
| CN101164707B (en) | Classifying system for airflow mill | |
| CN103861695B (en) | Multi-ring micronizer grinding chamber, multi-ring micronizer and intelligent multi-ring micronizer system | |
| CN113976257A (en) | Drying type air sweeping and grinding machine | |
| CN220160128U (en) | Air swept mill discharging device | |
| CN201940265U (en) | Novel hammer mill | |
| CN207769900U (en) | A kind of hammer mill | |
| CN113351322A (en) | Reduce traditional chinese medicine rubbing crusher who sticks with paste end rate | |
| CN202377042U (en) | Mechanical pulverizing machine | |
| CN209866200U (en) | Heat dissipation type sand mill is used in porcelain powder production | |
| CN116136072A (en) | Asphalt concrete pavement surface layer mineral powder producer | |
| CN102441474A (en) | Cyclonic jet mill | |
| CN115382629A (en) | Rod mill for mica preparation | |
| CN201088961Y (en) | Classifying system for airflow mill | |
| CN212882727U (en) | Coal pulverizer with ceramic composite structure | |
| CN114453117A (en) | Pulp steam flow crushing dryer | |
| CN109967161B (en) | Efficient mining equipment for iron ore crushing | |
| CN2180330Y (en) | High-effect impact crusher | |
| CN208661398U (en) | A kind of intermediate-speed coal mill rotating nozzle structure | |
| CN207463327U (en) | A kind of anti-sticking stifled ring hammer crusher | |
| CN207546635U (en) | A kind of Dry-crusher | |
| CN117583107B (en) | Low-energy-consumption nozzle structure of vertical medium-speed coal mill | |
| CN112156852A (en) | Vertical mill for producing machine-made sand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |