CN214569231U - Filling and blanking device - Google Patents
Filling and blanking device Download PDFInfo
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- CN214569231U CN214569231U CN202120490355.9U CN202120490355U CN214569231U CN 214569231 U CN214569231 U CN 214569231U CN 202120490355 U CN202120490355 U CN 202120490355U CN 214569231 U CN214569231 U CN 214569231U
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Abstract
The utility model belongs to the technical field of the mining fills, especially, relate to a fill unloader, its characterized in that includes that the top opens and is the last box of straight bucket form, fixes the lower box that just is back taper platform form of bottom half here, sets up the grizzly at last box and lower box combination position, the water conservancy diversion awl of fixing on this grizzly sets up the inlet pipe at last box top, sets up the delivery pipe at last box top, sets up the discharging pipe of bottom half under, sets up the exhaust rotation stopping ware at this discharging pipe top. The utility model discloses can be at unloading initial stage and last stage in time exhaust gas, can effectively prevent gas sneaking into again at the unloading in-process, effectively avoid leading to the emergence of the condition such as whitewashing, returning charge, stifled pipe, gas explosion and cavitation because of sneaking into gas.
Description
Technical Field
The utility model belongs to the technical field of the mining fills, especially, relate to a fill unloader.
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 utility model aims at providing a both can in time discharge unloading initial stage and last stage gas, can effectively prevent again that the unloading in-process gas from sneaking into, effectively avoid taking place to spout the whitewashing because of sneaking into gas, returning charge, stifled pipe, gas explosion, the filling unloader and the method of the condition such as cavitation erosion.
The purpose of the utility model is realized by the following technical scheme:
the utility model discloses a filling and blanking device, which is characterized in that the filling and blanking device comprises 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 combination part of the upper box body and the lower box body, a diversion 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.
The utility model has the advantages that:
(1) the filling and blanking device of the utility model can discharge the gas mixed in the pipeline in time when the liquid level is lower in the initial blanking stage and the final blanking stage;
(2) the filling and blanking device of the utility model can effectively prevent gas from mixing due to slurry rotational flow in the blanking process after the liquid level rises;
(3) the filling and blanking device of the utility model can effectively wash the blanking device, and prevent the pipe from being blocked due to the formation of large blocks caused by accumulated materials;
(4) the utility model discloses a fill unloader can effectively avoid leading to the emergence of the condition such as whitewashing, returning charge, stifled pipe, gas explosion and cavitation because of sneaking into gas, and indirect extension pipeline life avoids filling the pipeline jump and waves and cause the injury people's accident.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1 according to the present invention.
Fig. 3 is a view a-a of fig. 1 according to the present invention.
Fig. 4 is a schematic structural view of the exhaust rotation stopping device of the present invention.
Fig. 5 is a bottom view of fig. 4 according to the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in figures 1-5, the filling and blanking device of the utility model is characterized in that the filling and blanking device comprises an upper box body 1 with an open top and a straight barrel shape, a lower box body 2 which is fixed at the bottom of the upper box body 1 and is in an inverted frustum shape, a grid sieve 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 sieve 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, and an exhaust rotation stopping device 8 arranged at the top of the discharging 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 comprises 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, adopts the utility model discloses a fill after unloader and the method, both can in time discharge unloading initial stage and last stage sneak into the gas in the pipeline, can effectively prevent again that the unloading in-process gas from sneaking into, effectively avoid taking place the condition such as whitewashing, returning charge, stifled pipe, gas explosion, cavitation because of sneaking into gas. The utility model discloses a fill unloader suitability is strong, and popularization prospect is good.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490355.9U CN214569231U (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490355.9U CN214569231U (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device |
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| Publication Number | Publication Date |
|---|---|
| CN214569231U true CN214569231U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120490355.9U Active CN214569231U (en) | 2021-03-08 | 2021-03-08 | Filling and blanking device |
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| CN (1) | CN214569231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023392A (en) * | 2021-03-08 | 2021-06-25 | 中冶北方（大连）工程技术有限公司 | Filling and blanking device and method |
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2021
- 2021-03-08 CN CN202120490355.9U patent/CN214569231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023392A (en) * | 2021-03-08 | 2021-06-25 | 中冶北方（大连）工程技术有限公司 | Filling and blanking device and method |
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