CN113023392A - Filling and blanking device and method - Google Patents
Filling and blanking device and method Download PDFInfo
- Publication number
- CN113023392A CN113023392A CN202110251424.5A CN202110251424A CN113023392A CN 113023392 A CN113023392 A CN 113023392A CN 202110251424 A CN202110251424 A CN 202110251424A CN 113023392 A CN113023392 A CN 113023392A
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- pipe
- filling
- box body
- exhaust
- blanking
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 239000012535 impurity Substances 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 7
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention belongs to the technical field of mining filling, and particularly relates to a filling and blanking device and a filling and blanking method. The invention can discharge gas in time at the initial stage and the final stage of blanking, can effectively prevent gas from mixing in the blanking process, and effectively avoids the situations of guniting, material returning, pipe blockage, gas explosion, cavitation erosion and the like caused by the mixed gas.
Description
Technical Field
The invention belongs to the technical field of mining 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 deep-well inverted-section depressurized filling slurry during the process of blanking to a vertical filling pipeline or filling drilling, and a large amount of gas masses are formed in the filling pipeline or the filling drilling to be in an intermittent gas-slurry state. On one hand, the pressure in the pipe is unstable, and the receiving hopper is caused to spray slurry, return materials and even block the pipe; on the other hand, the gas is compressed and moves synchronously with the filling slurry, when the compressed gas moves to the discharge end of the filling pipeline, the pressure is instantaneously reduced to generate gas explosion, and the gas explosion can enable the filling pipeline to jump and wave and even cause accidents of hurting people. In addition, the pipeline is easy to generate cavitation erosion, the service life of the pipeline is shortened, and even the pipe explosion is caused.
Disclosure of Invention
The invention aims to provide a filling and blanking device and a filling and blanking method, which can discharge gas at the initial stage and the final stage of blanking in time, can effectively prevent gas from mixing in the blanking process, and effectively avoid the situations of guniting, material returning, pipe blockage, gas explosion, gas corrosion and the like caused by the mixed gas.
The purpose of the invention is realized by the following technical scheme:
the filling and blanking 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 frustum shape, a grid sieve arranged at the joint part of the upper box body and the lower box body, a guide cone fixed on the grid sieve, 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, and an exhaust rotation stopping device arranged at the top of the discharging pipe,
the diversion cone is concentrically arranged with the upper box body and the lower box body,
the tail end of the feed 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 vertically extending into the inner cavity of the upper box body from the side wall of the upper box body, an annular pipe fixed on the inner wall of the upper box body along the annular direction, a plurality of water outlet holes arranged at the bottom of the annular pipe along the annular direction and evenly distributed, and a high-pressure cleaning nozzle arranged on each water outlet hole,
the discharge pipe and the lower box body are concentrically arranged,
the exhaust rotation stopping device is concentrically arranged with the discharge pipe, and comprises a top plate, an exhaust pipe penetrating through the center of the top plate, and a plurality of baffle plates arranged below the top plate and uniformly distributed around the exhaust pipe, wherein the baffle plates 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 0-65-degree fan-shaped water flow nozzle, the water pressure of the high-pressure cleaning nozzle is 0.2-0.25 MPa, and the water flow of the high-pressure cleaning nozzle is more than or equal to 2-4.8L/s.
The diameter of the bottom surface of the flow guide cone is larger than that of the top plate of the exhaust rotation stopping device.
The inner diameter of the discharge pipe is the same as that of the feed pipe.
The pipe inner diameter of the exhaust pipe is = (1/6-1/4). times the pipe inner diameter of the discharge pipe.
The number of the baffle plates is at least 4, and the inclined edge of each baffle plate forms an included angle beta =1/2 alpha with the central line of the exhaust pipe.
A filling and blanking method by using a filling and blanking device is characterized by comprising the following steps:
(1) before filling and blanking, a water supply pipe is started to soak the inner wall of the filling and blanking device and a downstream pipeline;
(2) closing a water supply pipe while blanking, enabling filling slurry to enter an upper box body through a feed pipe, uniformly flowing along the diversion cone to the periphery after diversion by the diversion cone, screening large blocks or impurities by a grizzly screen, then entering a lower box body, and then entering a discharge pipe through flow channels between each baffle plate of an exhaust rotation stopping device and a top plate, between the outer wall of an exhaust pipe and between the outer wall of the lower box body, and into a downstream vertical filling pipeline or a filling drill hole;
(3) when the blanking is finished, the water supply pipe is opened again, the filling and blanking device and the downstream pipeline are washed, and accumulated materials are removed;
(4) in the initial filling and blanking stage, the liquid level in the lower box body is lower, the exhaust rotation stopping device is in an exhaust state, and gas mixed in the discharge pipe is timely discharged through an exhaust pipe of the exhaust rotation stopping device;
(5) when the liquid level rises to a position more than or equal to 200mm above a top plate of the exhaust rotation stopping device, the exhaust function of the exhaust rotation stopping device is invalid, and the exhaust rotation stopping device enters a rotation stopping state, so that gas mixing caused by slurry rotational flow is effectively prevented in the discharging process;
(6) and in the last stage of blanking, the liquid level is reduced to be below 200mm above a top plate of the exhaust rotation stopping device, the rotation stopping function of the exhaust rotation stopping device is gradually disabled, the exhaust state is entered again, and the gas mixed in the discharge pipe is continuously discharged.
The invention has the advantages that:
(1) according to the filling and blanking device and the filling and blanking method, when the liquid level is lower in the initial blanking stage and the final blanking stage, the gas mixed in the pipeline can be discharged in time;
(2) according to the filling and blanking device and method, after the liquid level rises, gas mixing caused by slurry rotational flow can be effectively prevented in the blanking process;
(3) the filling and blanking device and the filling and blanking method can effectively flush the blanking device, and prevent pipe blockage caused by large blocks formed by accumulated materials;
(4) the filling and blanking device and the method can effectively avoid the situations of guniting, material returning, pipe blockage, gas explosion, gas corrosion and the like caused by gas mixing, indirectly prolong the service life of the pipeline and avoid the injury accidents caused by jumping and waving of the filling pipeline.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1 in accordance with the present invention.
Fig. 3 is a view a-a of fig. 1 of the present invention.
FIG. 4 is a schematic structural diagram of the exhaust rotation stopper of the present invention.
Fig. 5 is a bottom view of fig. 4 of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in FIGS. 1 to 5, the filling and discharging device of the present invention comprises an upper tank 1 having an open top and being in a straight barrel shape, a lower tank 2 fixed to the bottom of the upper tank 1 and being in a reverse frustum shape, a grid 3 provided at the joint of the upper tank 1 and the lower tank 2, a guide cone 4 fixed to the grid 3, a feed pipe 5 provided at the top of the upper tank 1, a water supply pipe 6 provided at the top of the upper tank 1, a discharge pipe 7 provided at the bottom of the lower tank 2, an air discharge rotation stopper 8 provided at the top of the discharge pipe 7,
the diversion cone 4 is concentrically arranged with the upper tank body 1 and the lower tank 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 of a Q shape, the water supply pipe 6 comprises a front end pipe 61 vertically extending into the inner cavity of the upper box body 1 from the side wall of the upper box body 1, an annular pipe 62 fixed on the inner wall of the upper box body 1 along the annular direction, a plurality of water outlet holes 63 uniformly distributed along the annular direction arranged at the bottom of the annular pipe 62, and a high pressure cleaning nozzle 64 arranged on each water outlet hole 63,
the discharge pipe 7 is arranged concentrically with the lower tank body 2,
the exhaust rotation stopper 8 and the discharge pipe 7 are concentrically arranged, the exhaust rotation stopper 8 comprises a top plate 81, an exhaust pipe 83 penetrating through the center of the top plate 81, and a plurality of baffle plates 82 arranged below the top plate 81 and uniformly distributed around the exhaust pipe 83, and the baffle plates 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 0-65-degree fan-shaped water flow nozzle, 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 diversion cone 4 is larger than that of the top plate 81 of the exhaust rotation stopping device 8.
The inner diameter of the discharging pipe 7 is the same as that of the feeding pipe 5.
The pipe inner diameter of the exhaust pipe 83 is = (1/6-1/4) × the pipe inner diameter of the discharge pipe 7.
The number of the baffle plates 82 is at least 4, and the inclined edge of each baffle plate 82 forms an included angle beta =1/2 alpha with the central line of the exhaust pipe 83.
A filling and blanking method by using a filling and blanking device is characterized by comprising the following steps:
(1) before filling and blanking, the water supply pipe 6 is started to soak the inner wall of the filling and blanking device and the downstream pipeline;
(2) closing a water supply pipe 6 during blanking, enabling filling slurry to enter an upper box body 1 through a feed pipe 5, uniformly flowing along the periphery of a diversion cone 4 after diversion by the diversion cone 4, screening large blocks or impurities through a grizzly screen 3, then entering a lower box body 2, and then entering a discharge pipe 7 through a flow channel between each baffle 82 of an exhaust rotation stopper 8 and a top plate 81, between the outer wall of an exhaust pipe 83 and the side wall of the lower box body 2 to feed a downstream vertical filling pipeline or a filling drill hole;
(3) when the blanking is finished, the water supply pipe 6 is opened again, the filling and blanking device and the downstream pipeline are washed, and accumulated materials are removed;
(4) in the initial filling and blanking stage, the liquid level in the lower box body 2 is low, the exhaust rotation stopping device 8 is in an exhaust state, and gas mixed in the discharge pipe 7 is timely discharged through the exhaust pipe 83 of the exhaust rotation stopping device 8;
(5) when the liquid level rises to a position more than or equal to 200mm above the top plate 81 of the exhaust rotation stopping device 8, the exhaust function of the exhaust rotation stopping device 8 is invalid, and the exhaust rotation stopping device enters a rotation stopping state, so that gas mixing caused by slurry rotational flow is effectively prevented in the blanking process;
(6) at the last stage of the blanking, the liquid level is lowered to below 200mm above the top plate 81 of the exhaust rotation stopper 8, the rotation stopping function of the exhaust rotation stopper 8 is gradually disabled, the exhaust state is entered again, and the gas mixed in the discharge pipe 7 is continuously discharged.
The invention is further described below with reference to specific examples:
by adopting the filling and blanking device shown in figures 1-5, 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 of the lower box body 2 is =90 degrees, and the inner diameter of the bottom outlet is 150 mm; the grizzly 3 is circular, and the outer diameter is 990 mm; the flow guide cone 4 is an isosceles cone, the base angle is 30 degrees, and the diameter of the bottom surface is 450 mm; the inner diameter of the feeding pipe 5 is 150 mm; the inner diameter of the water supply pipe 6 is 125mm, 8 water outlet holes 63 are uniformly distributed at the bottom of an annular pipe of the water supply pipe 6 along an annular shape, a high-pressure cleaning nozzle 64 with 50-degree fan-shaped water flow is mounted on each water outlet hole 63, the water pressure is 0.2MPa, and the water flow of the single high-pressure cleaning nozzle 64 is 3.5L/s; the inner diameter of the discharge pipe 7 is the same as that of the feed pipe 5 and that of the bottom outlet of the lower box body 2 and is 150 mm; the diameter of the top plate 81 of the exhaust rotation stopper 8 is 350mm, the pipe inner diameter of the exhaust pipe 83 of the exhaust rotation stopper 8 =1/5 times of the pipe inner diameter of the discharge pipe 7 =30mm, 4 baffle plates 82 which are perpendicular to the pipe walls of the top plate 81 and the exhaust pipe 83 and are in a right trapezoid shape are uniformly distributed around the exhaust pipe 83 under the top plate of the exhaust rotation stopper 8, and the inclined edge of each baffle plate 82 forms an included angle beta =45 degrees with the central line of the exhaust pipe 83.
Practice shows that after the filling and blanking device and the filling and blanking method are adopted, gas mixed into the pipeline at the initial stage and the final stage of blanking can be discharged in time, the gas can be effectively prevented from being mixed in the blanking process, and the situations of guniting, material returning, pipe blockage, gas explosion, gas corrosion and the like caused by the mixed gas are effectively avoided. The filling and blanking device is high in applicability and good in popularization prospect.
Claims (9)
1. A 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 frustum shape, a grid sieve arranged at the joint part of the upper box body and the lower box body, a guide cone fixed on the grid sieve, 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, and an exhaust rotation stopping device arranged at the top of the discharging pipe,
the diversion cone is concentrically arranged with the upper box body and the lower box body,
the tail end of the feed 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 vertically extending into the inner cavity of the upper box body from the side wall of the upper box body, an annular pipe fixed on the inner wall of the upper box body along the annular direction, a plurality of water outlet holes arranged at the bottom of the annular pipe along the annular direction and evenly distributed, and a high-pressure cleaning nozzle arranged on each water outlet hole,
the discharge pipe and the lower box body are concentrically arranged,
the exhaust rotation stopping device is concentrically arranged with the discharge pipe, and comprises a top plate, an exhaust pipe penetrating through the center of the top plate, and a plurality of baffle plates arranged below the top plate and uniformly distributed around the exhaust pipe, wherein the baffle plates are perpendicular to the bottom surface of the top plate and the pipe wall of the exhaust pipe.
2. The filling and blanking device according to claim 1, wherein the cone angle α of the lower box body is 60 ° -120 °.
3. The filling and blanking device as claimed in claim 1, wherein said number of outlet holes is at least 8.
4. The filling and blanking device according to claim 1, wherein the high-pressure cleaning nozzle is a 0-65 degree fan-shaped water flow nozzle, 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 greater than or equal to 2-4.8L/s.
5. The filling and blanking device as claimed in claim 1, wherein the diameter of the bottom surface of said guiding cone is larger than the diameter of the top plate of said air-discharging rotation stopper.
6. Filling and blanking device according to claim 1, wherein the pipe outlet has the same pipe inner diameter as the pipe inlet.
7. The filling and blanking device according to claim 1, wherein the pipe inner diameter of the exhaust pipe = (1/6-1/4) × the pipe inner diameter of the discharge pipe.
8. The filling and blanking device according to claim 1, wherein said plurality of baffles is at least 4, and the inclined edge of each baffle forms an angle β =1/2 α with the center line of said exhaust pipe.
9. A filling and blanking method by using a filling and blanking device is characterized by comprising the following steps:
(1) before filling and blanking, a water supply pipe is started to soak the inner wall of the filling and blanking device and a downstream pipeline;
(2) closing a water supply pipe while blanking, enabling filling slurry to enter an upper box body through a feed pipe, uniformly flowing along the diversion cone to the periphery after diversion by the diversion cone, screening large blocks or impurities by a grizzly screen, then entering a lower box body, and then entering a discharge pipe through flow channels between each baffle plate of an exhaust rotation stopping device and a top plate, between the outer wall of an exhaust pipe and between the outer wall of the lower box body, and into a downstream vertical filling pipeline or a filling drill hole;
(3) when the blanking is finished, the water supply pipe is opened again, the filling and blanking device and the downstream pipeline are washed, and accumulated materials are removed;
(4) in the initial filling and blanking stage, the liquid level in the lower box body is lower, the exhaust rotation stopping device is in an exhaust state, and gas mixed in the discharge pipe is timely discharged through an exhaust pipe of the exhaust rotation stopping device;
(5) when the liquid level rises to a position more than or equal to 200mm above a top plate of the exhaust rotation stopping device, the exhaust function of the exhaust rotation stopping device is invalid, and the exhaust rotation stopping device enters a rotation stopping state, so that gas mixing caused by slurry rotational flow is effectively prevented in the discharging process;
(6) and in the last stage of blanking, the liquid level is reduced to be below 200mm above a top plate of the exhaust rotation stopping device, the rotation stopping function of the exhaust rotation stopping device is gradually disabled, the exhaust state is entered again, and the gas mixed in the discharge pipe is continuously discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251424.5A CN113023392A (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251424.5A CN113023392A (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113023392A true CN113023392A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110251424.5A Pending CN113023392A (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device and method |
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| Country | Link |
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| CN (1) | CN113023392A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160009A (en) * | 2021-12-10 | 2022-03-11 | 南京蓝恒环保设备有限公司 | Submersible mixer system for sewage treatment |
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| 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 |
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| 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 |
| CN214569231U (en) * | 2021-03-08 | 2021-11-02 | 中冶北方（大连）工程技术有限公司 | Filling and blanking device |
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2021
- 2021-03-08 CN CN202110251424.5A patent/CN113023392A/en active Pending
Patent Citations (7)
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160009A (en) * | 2021-12-10 | 2022-03-11 | 南京蓝恒环保设备有限公司 | Submersible mixer system for sewage treatment |
| CN114160009B (en) * | 2021-12-10 | 2023-12-19 | 南京蓝恒环保设备有限公司 | Submersible mixer system for sewage treatment |
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