CN214836520U - Solid material falling speed control device in large vertical depth feeding well - Google Patents
Solid material falling speed control device in large vertical depth feeding well Download PDFInfo
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- CN214836520U CN214836520U CN202120563862.0U CN202120563862U CN214836520U CN 214836520 U CN214836520 U CN 214836520U CN 202120563862 U CN202120563862 U CN 202120563862U CN 214836520 U CN214836520 U CN 214836520U
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Abstract
The utility model relates to a solid material falling speed control device in a large vertical depth feeding well, which comprises a feeding well, a storage bin, a chamber, a connection lane and a sealing wall, wherein the chamber is positioned below the feeding well and above the storage bin, the connection lane is positioned at one side of the chamber, and the sealing wall is positioned between the chamber and the connection lane; a high-pressure air supply main pipe is arranged on the closed wall, one end of the high-pressure air supply main pipe extends into the chamber, and the other end of the high-pressure air supply main pipe extends into the connecting roadway and is connected with a high-pressure fan; and a buffer device is arranged between the underground chamber and the storage bin. The utility model realizes that high-pressure air is provided for the chamber during the feeding period by arranging the high-pressure air supply pipe, so as to maintain the stable high-pressure environment in the chamber, form the air cushion effect, increase the falling resistance of the solid material, slow down the falling speed of the solid material and reduce the impact force on the storage bin; the structure is simple, safe and reliable; through setting up buffer, the solid material further absorbs partly kinetic energy through buffer, further alleviates the impact force to the storage silo.
Description
Technical Field
The utility model relates to a mining engineering technical field particularly, relates to a solid material whereabouts speed control device in charge well is thrown to big vertical depth.
Background
During mine filling mining, a vertical feeding well is usually adopted to feed solid materials such as waste rocks into an underground storage bin from the ground, when the vertical feeding well is deep, the solid materials fed continuously generate a fast falling speed, a storage bin at the lower part of the feeding well generates huge impact force, and the huge impact force causes premature wear of a well wall structure and deformation and damage of bottom hole facilities.
Among the prior art, generally adopt and set up a plurality of blotters in throwing the pipeline of material well, cushion throwing the material that the material well fell down, but the blotter takes place to damage easily, reliability and life-span are low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a solid material falling speed control device in a large vertical depth feeding well, which comprises a feeding well, a storage silo, a chamber, a connection lane and a sealing wall, wherein the chamber is positioned below the feeding well and above the storage silo, the connection lane is positioned at one side of the chamber, and the sealing wall is positioned between the chamber and the connection lane;
a high-pressure air supply main pipe is arranged on the closed wall, one end of the high-pressure air supply main pipe extends into the chamber, the other end of the high-pressure air supply main pipe extends into the connection roadway and is connected with a high-pressure fan, and the high-pressure air supply main pipe is used for supplying high-pressure air to the chamber and slowing down the falling speed of solid materials;
and a buffer device is arranged between the chamber and the storage bin.
The utility model realizes that high pressure air is provided for the chamber during the feeding period by arranging the high pressure air supply pipe connected with the high pressure fan, so as to maintain the stable high pressure environment in the chamber, form the air cushion effect, increase the falling resistance of solid materials, slow down the falling speed of the solid materials and reduce the impact force on the storage bin; the structure is simple, safe and reliable; a buffer device is arranged between the chamber and the storage bin, and the solid materials further pass through the buffer device to absorb a part of kinetic energy, so that the impact force on the storage bin is further reduced.
Further, a first valve is arranged on the high-pressure air supply main pipe in the connecting roadway.
Furthermore, a ventilation branch pipe is arranged in the communication roadway, one end of the ventilation branch pipe is connected with the high-pressure air supply main pipe between the valve I and the closed wall, and a valve II is arranged on the ventilation branch pipe.
The utility model has the advantages that the ventilation branch pipe connected with the high-pressure air supply main pipe is arranged, so that air supply to the connection lane is realized by opening the second valve during the feeding period, the new ventilation lane is not needed to be connected with the connection lane, the structure is simple, and the cost is low; on the other hand, the opening of the second valve is adjusted to ensure that high-pressure air mainly enters the chamber, so that the air pressure in the chamber is maintained in a higher pressure state, the falling resistance of the solid materials in the feeding well is increased, and the high-pressure air in the feeding chamber forms a continuous air cushion effect, thereby achieving the effect of reducing the falling speed of the solid materials.
Further, a pressure sensor is arranged on the high-pressure air supply main pipe in the connecting roadway.
The utility model discloses a set up pressure sensor on high-pressure air feed pipe, be convenient for detect the atmospheric pressure in the chamber, when atmospheric pressure is less than preset atmospheric pressure value, be convenient for in time open valve one, be responsible for through high-pressure air feed and provide high-pressure wind to the chamber, make the chamber internal gas pressure maintain at higher pressure state, make and throw the interior solid material whereabouts resistance increase of charging shaft, throw charging chamber internal high-pressure air and form "air cushion" effect that lasts to reach the effect that reduces solid material whereabouts speed.
Further, a pressure gauge is arranged on the high-pressure air supply main pipe in the connecting roadway.
The utility model discloses a set up the manometer on high-pressure air supply is responsible for, be convenient for know the atmospheric pressure in the chamber, when the atmospheric pressure that shows is less than when predetermineeing the atmospheric pressure value, be convenient for in time open valve one, be responsible for through high-pressure air supply and provide high-pressure wind to the chamber, make the chamber internal gas pressure maintain at higher pressure state, make and throw the interior solid material whereabouts resistance increase of charging well, throw the indoor highly-compressed air of charging chamber and form "air cushion" effect that lasts to reach the effect that reduces solid material falling speed.
Furthermore, a ventilation pipe is arranged on the closed wall, and a valve III is arranged on the ventilation pipe.
The utility model discloses a set up the ventilation pipe, when throwing the material and finishing, the contact lane passes through the ventilation pipe and communicates mutually with external atmospheric pressure, realizes for the air feed of contact lane, need not practice thrift the electric energy through the ventilation branch pipe air feed that links to each other with high pressure positive blower, saves the cost.
Further, a sealing door is arranged on the sealing wall.
The utility model discloses a set up the airtight door on airtight wall, realize throwing the space of material chamber airtight, the airtight door can be opened, and the operator of being convenient for is thrown at the non-during of material, overhauls or maintains the equipment in chamber or the storage silo.
Further, buffer includes the buffering lid, goes up backup pad, elastomeric element, bottom suspension fagging and a supporting beam, the buffering lid with it links to each other to go up the backup pad, go up the backup pad with elastomeric element's one end links to each other, elastomeric element's the other end with the bottom suspension fagging links to each other, the bottom suspension fagging with a supporting beam links to each other, a supporting beam is fixed on the inner wall of storage silo.
The utility model discloses a set up elastomeric element into the spring that has the guide bar, guarantee buffer and follow vertical direction motion, prevent about or skew around.
Furthermore, the buffer device also comprises a guide post, one end of the guide post is connected with the upper supporting plate, and the other end of the guide post penetrates through the guide hole of the lower supporting plate and extends into the lower part of the lower supporting plate.
The utility model discloses a set up the guide post, guarantee buffer and follow vertical direction motion, realize the buffering to the solid material of whereabouts.
Further, the supporting beam is an I-shaped steel beam.
Drawings
Fig. 1 is a schematic view of the overall structure of a solid material falling speed control device in a large vertical depth feeding well provided by the utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of the circled portion of FIG. 1;
description of reference numerals:
10-chamber; 100-a buffer device; 110-a buffer cover; 120-upper support plate; 130-an elastic member; 131-a guide bar; 132-a spring; 140-a lower support plate; 150-a support beam; 160-guide posts;
20-a feeding well;
30-a storage bin;
40-communication lane; 401-high pressure draught fan;
50-a closed wall; 501-a sealed door;
60-high pressure air supply main pipe; 601-valve one; 602-a pressure sensor;
70-a ventilation branch pipe; 701-valve two;
80-a vent pipe; 801-valve three;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures 1-3 are described in detail below.
In the present invention, the terms "inside", "outside", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplified description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present embodiment provides a device for controlling a falling speed of a solid material in a large vertical depth charging well, which includes a charging well 20, a storage bin 30, a chamber 10, a connection lane 40 and a sealing wall 50, wherein the chamber 10 is located below the charging well 20 and above the storage bin 30, the connection lane 40 is located at one side of the chamber 10, and the sealing wall 50 is located between the chamber 10 and the connection lane 40;
the sealed wall 50 is provided with a high-pressure air supply main pipe 60, one end of the high-pressure air supply main pipe 60 extends into the chamber 10, the other end of the high-pressure air supply main pipe 60 extends into the connection roadway 40 and is connected with the high-pressure fan 401, and the high-pressure air supply main pipe 60 is used for supplying high-pressure air to the chamber 10 and reducing the falling speed of solid materials;
a buffer device 100 is arranged between the chamber 10 and the storage bin 30.
Therefore, in the embodiment, the high-pressure air supply pipe connected to the high-pressure blower 401 is arranged to supply high-pressure air to the chamber 10 during the feeding period, so as to maintain a stable high-pressure environment in the chamber 10, form an air cushion effect, increase the falling resistance of the solid material, slow down the falling speed of the solid material, and reduce the impact force on the storage bin 30; the structure is simple, safe and reliable; a buffer device 100 is arranged between the chamber 10 and the storage bin 30, and the solid materials further pass through the buffer device 100 to absorb a part of kinetic energy, so that the impact force on the storage bin 30 is further reduced.
Preferably, referring to fig. 1, a first valve 601 is disposed on the high-pressure air supply main pipe 60 located in the connecting roadway 40.
Preferably, referring to fig. 1, a ventilation branch pipe 70 is arranged in the communication lane 40, one end of the ventilation branch pipe 70 is connected to the high-pressure main air supply pipe 60 between the first valve 601 and the sealing wall 50, and a second valve 701 is arranged on the ventilation branch pipe 70.
Therefore, in the embodiment, by arranging the ventilation branch pipe 70 connected with the high-pressure air supply main pipe 60, during the feeding period, on one hand, air supply to the connection roadway 40 is realized by opening the second valve 701, and no new ventilation roadway is required to be connected with the connection roadway 40, so that the structure is simple and the cost is low; on the other hand, the opening degree of the second valve 701 is adjusted to ensure that high-pressure air mainly enters the chamber 10, so that the air pressure in the chamber 10 is maintained in a higher pressure state, the falling resistance of the solid materials in the feeding well 20 is increased, and the high-pressure air in the feeding chamber 10 forms a continuous air cushion effect, thereby achieving the effect of reducing the falling speed of the solid materials.
Preferably, referring to fig. 1, a pressure sensor 602 is disposed on the high-pressure air supply main pipe 60 located in the communication roadway 40, and the pressure sensor 602 is used for detecting the air pressure of the chamber 10.
Therefore, in the embodiment, the pressure sensor 602 is arranged on the high-pressure air supply pipe, so that the air pressure in the chamber 10 can be detected conveniently, when the air pressure is lower than the preset air pressure value, the valve one 601 can be opened conveniently in time, high-pressure air is provided for the chamber 10 through the high-pressure air supply main pipe 60, the air pressure in the chamber 10 is maintained in a higher pressure state, the falling resistance of the solid materials in the feeding well 20 is increased, and the high-pressure air in the feeding chamber 10 forms a continuous 'air cushion' effect, so that the effect of reducing the falling speed of the solid materials is achieved.
Preferably, referring to fig. 1, a pressure gauge (not shown) is disposed on the high pressure air supply main pipe 60 in the communication lane 40 for displaying the air pressure value.
Therefore, in the embodiment, the pressure gauge is arranged on the high-pressure air supply main pipe 60, so that the air pressure in the chamber 10 can be known conveniently, when the displayed air pressure is lower than the preset air pressure value, the valve I601 can be opened conveniently in time, high-pressure air is provided for the chamber 10 through the high-pressure air supply main pipe 60, the air pressure in the chamber 10 is maintained in a higher pressure state, the falling resistance of solid materials in the feeding well 20 is increased, and the high-pressure air in the feeding chamber 10 forms a continuous 'air cushion' effect, so that the effect of reducing the falling speed of the solid materials is achieved.
Preferably, referring to fig. 1, the sealing wall 50 is provided with a ventilation pipe 80, the ventilation pipe 80 is provided with a valve three 801, and the valve three 801 is configured as follows: after the feeding is finished, the third valve 801 is opened, so that the communication roadway 40 is communicated with the external atmosphere through the ventilation pipe 80, the chamber 10 and the feeding well 20.
Therefore, this embodiment is through setting up ventilation pipe 80, throw the material when finishing, and contact lane 40 communicates with external atmospheric pressure through ventilation pipe 80, realizes for contact lane 40 air feed, need not practice thrift the electric energy through the ventilation branch 70 air feed that links to each other with high pressure positive blower 401, saves the cost.
Preferably, referring to fig. 1 and 2, the containment wall 50 is provided with a containment door 501.
Note that the airtight door 501 is normally closed.
Therefore, in the embodiment, the space of the charging chamber 10 is sealed by arranging the sealing door 501 on the sealing wall 50, and the sealing door 501 can be opened, so that an operator can conveniently overhaul or maintain the chamber 10 or the storage bin 30 during the non-charging period.
Preferably, a control system (not shown in the figure) is further included, and the first valve 601, the second valve 701, the third valve 801, the high-pressure fan 401, the pressure sensor 602 and the pressure gauge are all electrically connected with the control system.
During the feeding, the first valve 601 on the high-pressure air supply main pipe 60, the second valve 701 on the ventilation branch pipe 70 and the third valve 801 on the ventilation pipe 80 are closed; when the air pressure value detected by the pressure sensor 602 on the high-pressure air supply main pipe 60 is lower than the preset air pressure value, the control system controls to open the first valve 601, controls the high-pressure fan 401 connected with the high-pressure air supply main pipe 60 to operate, and provides high pressure for the chamber 10; the control system controls to open a second valve 701 on the ventilation branch pipe 70 connected with the high-pressure air supply main pipe 60 to supply air to the connecting roadway 40, and can also adjust the opening degree of the second valve 701 to ensure that high-pressure air mainly enters the chamber 10, so that the air pressure in the chamber 10 is maintained in a higher pressure state;
when the feeding is finished, the control system controls the first valve 601 and the second valve 701 to be closed, and controls the third valve 801 to be opened, so that the communication roadway 40 is communicated with the external atmosphere through the ventilation pipe 80, the chamber 10 and the feeding well 20.
Therefore, the control system electrically connected with the first valve 601, the second valve 701, the third valve 801, the high pressure fan 401, the pressure sensor 602 and the pressure gauge is arranged in the embodiment, so that automatic control is realized, the labor intensity of workers is reduced, and the labor cost is saved.
Preferably, referring to fig. 1 and 3, the buffering device 100 includes a buffering cover 110, an upper supporting plate 120, an elastic member 130, a lower supporting plate 140 and a supporting beam 150, the buffering cover 110 is connected to the upper supporting plate 120, the upper supporting plate 120 is connected to one end of the elastic member 130, the other end of the elastic member 130 is connected to the lower supporting plate 140, the lower supporting plate 140 is connected to the supporting beam 150, and the supporting beam 150 is fixed to the inner wall of the storage bin 30.
Wherein, the sectional shape of the buffering cap 100 may be a triangle or a semicircle.
Therefore, in the present embodiment, the buffering device 100 is disposed in the chamber 10, so that the falling solid material is buffered at high pressure and then further contacts with the buffering device 100, and then absorbs part of the kinetic energy through the elastic member 130, thereby effectively reducing the impact of the solid material on the downhole storage bin 30.
Preferably, referring to fig. 3, the elastic member 130 is a spring 132 having a guide rod 131, the spring 132 is sleeved on the guide rod 131, the lower end of the guide rod 131 is connected to the support beam 150, the upper support plate 120 is provided with a mounting hole, the upper support plate 120 is sleeved on the guide rod 131 through the mounting hole, and the spring 132 is connected to the upper support plate 120 and the lower support plate 140, respectively.
Therefore, the present embodiment ensures the movement of the damping device 100 in the vertical direction by providing the elastic member 130 as the spring 132 with the guide bar 131, preventing the left and right or front and rear offsets.
Preferably, referring to fig. 3, the buffering device 100 further includes a guide post 160, one end of the guide post 160 is connected to the upper support plate 120, and the other end of the guide post 160 passes through a guide hole of the lower support plate 140 and extends below the lower support plate 140.
In the present embodiment, the guide post 160 is disposed at the middle of the damping device 100.
Therefore, the present embodiment ensures the vertical movement of the buffering device 100 by providing the guiding column 160, so as to buffer the falling solid material.
Preferably, referring to fig. 3, the support beam 150 is an i-beam.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. The solid material falling speed control device in the large vertical depth feeding well is characterized by comprising a feeding well (20), a storage bin (30), a chamber (10), a connection roadway (40) and a sealing wall (50), wherein the chamber (10) is positioned below the feeding well (20) and above the storage bin (30), the connection roadway (40) is positioned on one side of the chamber (10), and the sealing wall (50) is positioned between the chamber (10) and the connection roadway (40);
the sealing wall (50) is provided with a high-pressure air supply main pipe (60), one end of the high-pressure air supply main pipe (60) extends into the chamber (10), the other end of the high-pressure air supply main pipe extends into the connection roadway (40) and is connected with a high-pressure fan (401), and the high-pressure air supply main pipe (60) is used for supplying high-pressure air to the chamber (10) and slowing down the falling speed of solid materials;
and a buffer device (100) is arranged between the chamber (10) and the storage bin (30).
2. The solid material falling speed control device in the large vertical depth feeding well according to the claim 1, characterized in that the high pressure air supply main pipe (60) in the connecting roadway (40) is provided with a valve one (601).
3. The solid material falling speed control device in the large vertical depth charging well according to claim 2, characterized in that a ventilation branch pipe (70) is arranged in the communication roadway (40), one end of the ventilation branch pipe (70) is connected with the high-pressure air supply main pipe (60) between the valve I (601) and the sealing wall (50), and a valve II (701) is arranged on the ventilation branch pipe (70).
4. The solid material falling speed control device in the large vertical depth charging well according to any one of claims 1 to 3, characterized in that a pressure sensor (602) is arranged on the high-pressure air supply main pipe (60) in the connecting roadway (40).
5. The solid material falling speed control device in the large vertical depth charging well according to claim 4, characterized in that a pressure gauge is arranged on the high-pressure air supply main pipe (60) in the connecting roadway (40).
6. The solid material falling speed control device in the large vertical depth batch charging well according to any one of claims 1 to 3, characterized in that the sealing wall (50) is provided with a vent pipe (80), and the vent pipe (80) is provided with a valve III (801).
7. The solid material falling speed control device in the large vertical depth batch charging well according to any one of claims 1 to 3, characterized in that the sealing wall (50) is provided with a sealing door (501).
8. The solid material falling speed control device in a large vertical depth feeding well according to any one of claims 1 to 3, wherein the buffer device (100) comprises a buffer cover (110), an upper support plate (120), an elastic member (130), a lower support plate (140) and a support beam (150), the buffer cover (110) is connected with the upper support plate (120), the upper support plate (120) is connected with one end of the elastic member (130), the other end of the elastic member (130) is connected with the lower support plate (140), the lower support plate (140) is connected with the support beam (150), and the support beam (150) is fixed on the inner wall of the storage bin (30).
9. The solid material falling speed control device in the large vertical depth batch well according to claim 8, characterized in that the buffer device (100) further comprises a guide post (160), one end of the guide post (160) is connected with the upper support plate (120), and the other end of the guide post (160) passes through the guide hole of the lower support plate (140) and extends into the lower part of the lower support plate (140).
10. The solid material falling speed control device in the large vertical depth charging well according to claim 8, wherein the support beam (150) is an I-shaped steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563862.0U CN214836520U (en) | 2021-03-18 | 2021-03-18 | Solid material falling speed control device in large vertical depth feeding well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563862.0U CN214836520U (en) | 2021-03-18 | 2021-03-18 | Solid material falling speed control device in large vertical depth feeding well |
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| Publication Number | Publication Date |
|---|---|
| CN214836520U true CN214836520U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120563862.0U Active CN214836520U (en) | 2021-03-18 | 2021-03-18 | Solid material falling speed control device in large vertical depth feeding well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901256A (en) * | 2021-03-18 | 2021-06-04 | 华能煤炭技术研究有限公司 | Device and method for controlling falling speed of solid material in large vertical depth feeding well |
-
2021
- 2021-03-18 CN CN202120563862.0U patent/CN214836520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901256A (en) * | 2021-03-18 | 2021-06-04 | 华能煤炭技术研究有限公司 | Device and method for controlling falling speed of solid material in large vertical depth feeding well |
| CN112901256B (en) * | 2021-03-18 | 2022-11-15 | 华能煤炭技术研究有限公司 | Device and method for controlling falling speed of solid material in large vertical depth feeding well |
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