CN113023392B - Filling and discharging device and method - Google Patents
Filling and discharging device and method Download PDFInfo
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- CN113023392B CN113023392B CN202110251424.5A CN202110251424A CN113023392B CN 113023392 B CN113023392 B CN 113023392B CN 202110251424 A CN202110251424 A CN 202110251424A CN 113023392 B CN113023392 B CN 113023392B
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- pipe
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- filling
- exhaust
- upper box
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- 238000007599 discharging Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000002002 slurry Substances 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
The invention belongs to the technical field of mining filling, and particularly relates to a filling and blanking device and method. The invention can not only discharge gas in time at the initial stage and the final stage of discharging, but also effectively prevent gas mixing in the discharging process and effectively avoid the conditions of guniting, returning charge, pipe blocking, gas explosion, cavitation and the like caused by mixed gas.
Description
Technical Field
The invention belongs to the technical field of mining and filling, and particularly relates to a filling and blanking device and method.
Background
It is known that, during mine filling operation, a large amount of gas is easily mixed into the stirred filling slurry or the filling slurry decompressed by the inverted section of the deep well in the process of discharging the filling slurry into a vertical filling pipeline or a filling drilling hole, a large amount of air clusters are formed in the filling pipeline or the filling drilling hole, and the air and slurry are in an intermittent state. On one hand, the pressure in the pipe is unstable, so that the receiving hopper sprays slurry, returns materials and even blocks the pipe; on the other hand, the gas is compressed and synchronously moves along with the filling slurry, and when the compressed gas moves to the discharging end of the filling pipeline, the pressure is instantaneously reduced to generate gas explosion, and the gas explosion can lead the filling pipeline to jump and gallop, even cause injury accidents. In addition, cavitation of the pipeline is extremely easy to occur, the service life of the pipeline is reduced, and even the pipe burst is caused.
Disclosure of Invention
The invention aims to provide a filling and blanking device and method which can timely discharge gas at the initial stage and the final stage of blanking, can effectively prevent gas from mixing in the blanking process and effectively avoid the conditions of slurry spraying, returning, pipe blocking, gas explosion, cavitation and the like caused by the mixed gas.
The aim of the invention is realized by the following technical scheme:
the invention relates to a filling and discharging device, which is characterized by comprising an upper box body with an open top and a straight barrel shape, a lower box body which is fixed at the bottom of the upper box body and is in an inverted cone table shape, a grid screen arranged at the joint part of the upper box body and the lower box body, a diversion cone fixed on the grid screen, a feeding pipe arranged at the top of the upper box body, a water supply pipe arranged at the top of the upper box body, a discharging pipe arranged at the bottom of the lower box body, an exhaust cyclone stopper arranged at the top of the discharging pipe,
The diversion cone is arranged concentrically with the upper box body and the lower box body,
The tail end of the feeding pipe extends into the inner cavity of the upper box body,
The water supply pipe is Q-shaped, the water supply pipe comprises a front end pipe which vertically extends into the inner cavity of the upper box body from the side wall of the upper box body, an annular pipe which is fixed on the inner wall of the upper box body along the annular direction, a plurality of water outlet holes which are uniformly distributed along the annular direction and are arranged at the bottom of the annular pipe, a high-pressure cleaning nozzle which is arranged on each water outlet hole,
The discharging pipe and the lower box body are concentrically arranged,
The exhaust anti-rotation device and the discharging pipe are concentrically arranged, the exhaust anti-rotation device comprises a top plate, an exhaust pipe penetrating through the center of the top plate, and a plurality of baffles which are arranged below the top plate and uniformly distributed around the exhaust pipe, wherein the baffles are perpendicular to the bottom surface of the top plate and the pipe wall of the exhaust pipe.
The cone angle alpha of the lower box body is 60-120 degrees.
The number of the water outlet holes is at least 8.
The high-pressure cleaning nozzle is a fan-shaped water flow nozzle with the angle of 0-65 degrees, the water pressure of the high-pressure cleaning nozzle is 0.2-0.25 MPa, and the water flow rate of the high-pressure cleaning nozzle is more than or equal to 2-4.8L/s.
The diameter of the bottom surface of the diversion cone is larger than that of the top plate of the exhaust cyclone stopper.
The inner diameter of the discharging pipe is the same as that of the feeding pipe.
And the inner diameter of the exhaust pipe is = (1/6-1/4) multiplied by the inner diameter of the discharge pipe.
The number of the baffles is at least 4, and the included angle beta=1/2 alpha between the inclined edge of each baffle and the central line of the exhaust pipe.
The filling and blanking method by using the filling and blanking device is characterized by comprising the following steps of:
(1) Before filling and blanking, a water supply pipe is firstly opened, and the inner wall and downstream pipelines of a filling and blanking device are soaked;
(2) Closing a water supply pipe while discharging, enabling filling slurry to enter an upper box body through a feed pipe, guiding the filling slurry through a guide cone, uniformly flowing along the guide cone, screening out large blocks or sundries through a grid screen, entering the lower box body, and enabling the filling slurry to enter a discharge pipe through flow passages among each baffle plate of an exhaust cyclone stopper, a top plate, the outer wall of an exhaust pipe and the side wall of the lower box body to be fed into a downstream vertical filling pipeline or filling drill hole;
(3) Starting the water supply pipe again when the blanking is finished, flushing the filling blanking device and the downstream pipeline, and removing accumulated materials;
(4) In the initial stage of filling and discharging, the liquid level in the lower box body is lower, the exhaust cyclone stopper is in an exhaust state, and the gas mixed in the discharge pipe is timely discharged through the exhaust pipe of the exhaust cyclone stopper;
(5) When the liquid level rises to be more than or equal to 200mm above the top plate of the exhaust cyclone stopper, the exhaust function of the exhaust cyclone stopper is invalid and enters a cyclone stopping state, so that gas mixing caused by slurry cyclone is effectively prevented in the blanking process;
(6) At the end of discharging, the liquid level is lowered to below 200mm above the top plate of the exhaust cyclone stopper, the cyclone stopping function of the exhaust cyclone stopper is gradually disabled, the exhaust state is reentered, and the gas mixed into the discharging pipe is continuously discharged.
The invention has the advantages that:
(1) According to the filling and discharging device and method, when the liquid level is low in the initial stage and the final stage of discharging, the gas mixed into the pipeline can be timely discharged;
(2) According to the filling and blanking device and method, after the liquid level rises, gas mixing caused by slurry cyclone can be effectively prevented in the blanking process;
(3) The filling and blanking device and the method can effectively wash the blanking device to prevent the pipe from being blocked due to the formation of large blocks of accumulated materials;
(4) The filling and blanking device and the method can effectively avoid the conditions of guniting, returning charge, pipe blocking, gas explosion, cavitation and the like caused by mixed gas, indirectly prolong the service life of the pipeline and avoid the accident of hurting people caused by jumping and waving of the filling pipeline.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1 of the present invention.
Fig. 3 is A-A view of fig. 1 in accordance with the present invention.
Fig. 4 is a schematic view of the structure of the exhaust gas cyclone stopper of the present invention.
Fig. 5 is a bottom view of fig. 4 in accordance with the present invention.
Detailed Description
Specific embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the filling and discharging device of the present invention is characterized by comprising an upper box body 1 with an open top and in a straight barrel shape, a lower box body 2 fixed at the bottom of the upper box body 1 and in a reverse cone table shape, a grid screen 3 arranged at the joint part of the upper box body 1 and the lower box body 2, a guide cone 4 fixed on the grid screen 3, a feeding pipe 5 arranged at the top of the upper box body 1, a water supply pipe 6 arranged at the top of the upper box body 1, a discharging pipe 7 arranged at the bottom of the lower box body 2, an exhaust cyclone stopper 8 arranged at the top of the discharging pipe 7,
The diversion cone 4 is concentrically arranged with the upper box body 1 and the lower box body 2,
The tail end of the feeding pipe 5 extends into the inner cavity of the upper box body 1,
The water supply pipe 6 is Q-shaped, the water supply pipe 6 comprises a front end pipe 61 which vertically extends into the inner cavity of the upper box body 1 from the side wall of the upper box body 1, an annular pipe 62 which is fixed on the inner wall of the upper box body 1 along the annular direction, a plurality of water outlet holes 63 which are uniformly distributed along the annular direction and arranged at the bottom of the annular pipe 62, a high-pressure cleaning nozzle 64 which is arranged on each water outlet hole 63,
The discharging pipe 7 is arranged concentrically with the lower box body 2,
The exhaust cyclone stopper 8 is concentrically arranged with the discharge pipe 7, the exhaust cyclone stopper 8 comprises a top plate 81, an exhaust pipe 83 penetrating through the center of the top plate 81, a plurality of baffles 82 arranged below the top plate 81 and uniformly distributed around the exhaust pipe 83, and the baffles 82 are perpendicular to the bottom surface of the top plate 81 and the pipe wall of the exhaust pipe 83.
The cone angle alpha of the lower box body 2 is 60-120 degrees.
The number of the water outlet holes 63 is at least 8.
The high-pressure cleaning nozzle 64 is a fan-shaped water flow nozzle with the angle of 0-65 degrees, the water pressure of the high-pressure cleaning nozzle 64 is 0.2-0.25 MPa, and the water flow of the high-pressure cleaning nozzle 64 is not less than 2-4.8L/s.
The diameter of the bottom surface of the guide cone 4 is larger than the diameter of the top plate 81 of the exhaust cyclone stopper 8.
The inner diameter of the discharging pipe 7 is the same as that of the feeding pipe 5.
The inner diameter of the exhaust pipe 83 is = (1/6-1/4) x the inner diameter of the discharge pipe 7.
The number of baffles 82 is at least 4, and the included angle beta=1/2 alpha between the inclined edge of each baffle 82 and the central line of the exhaust pipe 83.
The filling and blanking method by using the filling and blanking device is characterized by comprising the following steps of:
(1) Before filling and blanking, a water supply pipe 6 is firstly opened, and the inner wall and downstream pipelines of a filling and blanking device are soaked;
(2) Closing a water supply pipe 6 while discharging, enabling filling slurry to enter an upper box body 1 through a feed pipe 5, guiding the filling slurry through a guide cone 4, uniformly flowing along the guide cone 4, screening out large blocks or sundries through a grid screen 3, entering a lower box body 2, and entering a discharge pipe 7 through a flow channel between each baffle 82 of an exhaust cyclone stopper 8 and a top plate 81, the outer wall of an exhaust pipe 83 and the side wall of the lower box body 2 to be fed into a downstream vertical filling pipeline or filling drill hole;
(3) Starting the water supply pipe 6 again when the blanking is finished, flushing the filling blanking device and the downstream pipeline, and removing accumulated materials;
(4) In the initial stage of filling and discharging, the liquid level in the lower box body 2 is lower, the exhaust cyclone stopper 8 is in an exhaust state, and the gas mixed in the discharging pipe 7 is timely discharged through the exhaust pipe 83 of the exhaust cyclone stopper 8;
(5) When the liquid level rises to be more than or equal to 200mm above the top plate 81 of the exhaust cyclone stopper 8, the exhaust function of the exhaust cyclone stopper 8 is invalid and enters a cyclone stopping state, so that gas mixing caused by slurry cyclone is effectively prevented in the blanking process;
(6) At the end of the discharging, the liquid level is lowered to below 200mm above the top plate 81 of the exhaust cyclone stopper 8, the cyclone stopping function of the exhaust cyclone stopper 8 is gradually disabled, the exhaust state is re-entered, and the gas mixed into the discharging pipe 7 is continuously discharged.
The invention is further described below in connection with specific examples:
The filling and blanking device shown in the figures 1-5 is adopted, the upper box body 1 is in a cylindrical straight barrel shape, the inner diameter is 1000mm, and the top is open; the cone angle alpha=90° of the lower box body 2, and the inner diameter of the bottom outlet is 150mm; the grid screen 3 is round, and the outer diameter is 990mm; the diversion cone 4 is an isosceles cone, the base angle is 30 degrees, and the bottom surface diameter is 450mm; the inner diameter of the feeding pipe 5 is 150mm; the inner diameter of the water supply pipe 6 is 125mm, 8 water outlet holes 63 are uniformly distributed at the bottom of the annular pipe of the water supply pipe 6 along the annular shape, a high-pressure cleaning nozzle 64 for 50-degree fan-shaped water flow is arranged on each water outlet hole 63, the water pressure is 0.2MPa, and the water flow rate of the single high-pressure cleaning nozzle 64 is 3.5L/s; the inner diameter of the discharging pipe 7 is 150mm which is the same as the inner diameter of the feeding pipe 5 and the inner diameter of the outlet at the bottom of the lower box body 2; the diameter of the top plate 81 of the exhaust cyclone stopper 8 is 350mm, the inner diameter=1/5 times of the inner diameter=30 mm of the discharge pipe 7 of the exhaust pipe 83 of the exhaust cyclone stopper 8, 4 right trapezoid baffles 82 perpendicular to the top plate 81 and the pipe wall of the exhaust pipe 83 are uniformly distributed below the top plate of the exhaust cyclone stopper 8 around the exhaust pipe 83, and the included angle beta=45 DEG between the inclined edge of the baffle 82 and the central line of the exhaust pipe 83.
Practice shows that after the filling and blanking device and method are adopted, the gas mixed in the pipeline at the initial stage and the final stage of blanking can be timely discharged, the gas mixing in the blanking process can be effectively prevented, and the conditions of slurry spraying, material returning, pipe blockage, gas explosion, cavitation and the like caused by the mixed gas are effectively avoided. The filling and blanking device has strong applicability and good popularization prospect.
Claims (6)
1. The filling and discharging device is characterized by comprising an upper box body with an open top and a straight barrel shape, a lower box body which is fixed at the bottom of the upper box body and is in an inverted cone table shape, a grid screen arranged at the joint part of the upper box body and the lower box body, a diversion cone fixed on the grid screen, a feed pipe arranged at the top of the upper box body, a water supply pipe arranged at the top of the upper box body, a discharge pipe arranged at the bottom of the lower box body, an exhaust cyclone stopper arranged at the top of the discharge pipe,
The diversion cone is arranged concentrically with the upper box body and the lower box body,
The tail end of the feeding pipe extends into the inner cavity of the upper box body,
The water supply pipe is Q-shaped, the water supply pipe comprises a front end pipe which vertically extends into the inner cavity of the upper box body from the side wall of the upper box body, an annular pipe which is fixed on the inner wall of the upper box body along the annular direction, a plurality of water outlet holes which are uniformly distributed along the annular direction and are arranged at the bottom of the annular pipe, a high-pressure cleaning nozzle which is arranged on each water outlet hole,
The discharging pipe and the lower box body are concentrically arranged,
The exhaust cyclone stopper and the discharge pipe are concentrically arranged, the exhaust cyclone stopper comprises a top plate, an exhaust pipe penetrating through the center of the top plate, a plurality of baffles which are arranged below the top plate and uniformly distributed around the exhaust pipe, the baffles are perpendicular to the bottom surface of the top plate and the pipe wall of the exhaust pipe,
The high-pressure cleaning nozzle is a fan-shaped water flow nozzle with the angle of 0-65 degrees, the water pressure of the high-pressure cleaning nozzle is 0.2-0.25 MPa, the water flow rate of the high-pressure cleaning nozzle is more than or equal to 2-4.8L/s,
The inner diameter of the exhaust pipe is = (1/6-1/4) multiplied by the inner diameter of the discharge pipe,
The number of the baffles is at least 4, and the included angle beta=1/2 alpha between the inclined edge of each baffle and the central line of the exhaust pipe.
2. The filling and blanking device according to claim 1, wherein the cone angle α of the lower case is 60 ° to 120 °.
3. The filling and blanking device of claim 1, wherein the number of the water outlet holes is at least 8.
4. The filling and blanking device of claim 1, wherein the diameter of the bottom surface of the guide cone is larger than the diameter of the top plate of the exhaust cyclone stopper.
5. The filling and blanking device of claim 1, wherein the pipe inner diameter of the discharging pipe is the same as the pipe inner diameter of the feeding pipe.
6. A filling and blanking method using the filling and blanking device according to any one of claims 1 to 5, characterized by comprising the steps of:
(1) Before filling and blanking, a water supply pipe is firstly opened, and the inner wall and downstream pipelines of a filling and blanking device are soaked;
(2) Closing a water supply pipe while discharging, enabling filling slurry to enter an upper box body through a feed pipe, guiding the filling slurry through a guide cone, uniformly flowing along the guide cone, screening out large blocks or sundries through a grid screen, entering the lower box body, and enabling the filling slurry to enter a discharge pipe through flow passages among each baffle plate of an exhaust cyclone stopper, a top plate, the outer wall of an exhaust pipe and the side wall of the lower box body to be fed into a downstream vertical filling pipeline or filling drill hole;
(3) Starting the water supply pipe again when the blanking is finished, flushing the filling blanking device and the downstream pipeline, and removing accumulated materials;
(4) In the initial stage of filling and discharging, the liquid level in the lower box body is lower, the exhaust cyclone stopper is in an exhaust state, and the gas mixed in the discharge pipe is timely discharged through the exhaust pipe of the exhaust cyclone stopper;
(5) When the liquid level rises to be more than or equal to 200mm above the top plate of the exhaust cyclone stopper, the exhaust function of the exhaust cyclone stopper is invalid and enters a cyclone stopping state, so that gas mixing caused by slurry cyclone is effectively prevented in the blanking process;
(6) At the end of discharging, the liquid level is lowered to below 200mm above the top plate of the exhaust cyclone stopper, the cyclone stopping function of the exhaust cyclone stopper is gradually disabled, the exhaust state is reentered, and the gas mixed into the discharging pipe is continuously discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251424.5A CN113023392B (en) | 2021-03-08 | Filling and discharging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251424.5A CN113023392B (en) | 2021-03-08 | Filling and discharging device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113023392A CN113023392A (en) | 2021-06-25 |
| CN113023392B true CN113023392B (en) | 2024-06-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204716288U (en) * | 2015-06-29 | 2015-10-21 | 云南驰宏锌锗股份有限公司 | A kind of paste body filling pipe network exhaust stable-pressure device |
| CN205169876U (en) * | 2015-11-13 | 2016-04-20 | 珠海市碧泉水业科技有限责任公司 | Machine is put in to dry powder |
| CN106697982A (en) * | 2016-12-07 | 2017-05-24 | 重庆市巴山佳芋食品有限公司 | Powdery raw material feeding device |
| CN211412928U (en) * | 2019-12-21 | 2020-09-04 | 云南驰宏锌锗股份有限公司 | Exhaust steady voltage belt cleaning device based on lotion fills pipe network |
| CN212334014U (en) * | 2020-03-31 | 2021-01-12 | 金华市恒润化妆品有限公司 | Adjustable conveying equipment for cosmetic production |
| CN212831609U (en) * | 2020-07-29 | 2021-03-30 | 苏州讯如电子科技有限公司 | Sweeps collection device |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204716288U (en) * | 2015-06-29 | 2015-10-21 | 云南驰宏锌锗股份有限公司 | A kind of paste body filling pipe network exhaust stable-pressure device |
| CN205169876U (en) * | 2015-11-13 | 2016-04-20 | 珠海市碧泉水业科技有限责任公司 | Machine is put in to dry powder |
| CN106697982A (en) * | 2016-12-07 | 2017-05-24 | 重庆市巴山佳芋食品有限公司 | Powdery raw material feeding device |
| CN211412928U (en) * | 2019-12-21 | 2020-09-04 | 云南驰宏锌锗股份有限公司 | Exhaust steady voltage belt cleaning device based on lotion fills pipe network |
| CN212334014U (en) * | 2020-03-31 | 2021-01-12 | 金华市恒润化妆品有限公司 | Adjustable conveying equipment for cosmetic production |
| CN212831609U (en) * | 2020-07-29 | 2021-03-30 | 苏州讯如电子科技有限公司 | Sweeps collection device |
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