CN116078034A - Negative pressure vibrating screen for slurry treatment - Google Patents
Negative pressure vibrating screen for slurry treatment Download PDFInfo
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- CN116078034A CN116078034A CN202310385404.6A CN202310385404A CN116078034A CN 116078034 A CN116078034 A CN 116078034A CN 202310385404 A CN202310385404 A CN 202310385404A CN 116078034 A CN116078034 A CN 116078034A
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- frame
- negative pressure
- screen
- mesh screen
- slurry treatment
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- 239000002002 slurry Substances 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000012216 screening Methods 0.000 claims abstract description 44
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
Abstract
The invention discloses a negative pressure vibrating screen for slurry treatment, which relates to the field of slurry treatment and comprises a frame, wherein the inside of the frame is connected with a screening mechanism through a buffer mechanism, a vibrating assembly is arranged above the screening mechanism, a negative pressure mechanism is arranged at the bottom of the screening mechanism, and a sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism; the screening mechanism comprises a screen frame, a coarse mesh screen is arranged on the upper portion of the screen frame, a fine mesh screen is arranged below the coarse mesh screen, and an air injection assembly is arranged below the fine mesh screen. According to the invention, the sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism, so that the sealing performance of the joint of the adsorption cover and the screen frame is effectively ensured, the adsorbed negative pressure is ensured, the air injection assembly is arranged below the fine mesh screen, and the air injection assembly blows the fine mesh screen from bottom to top to blow up the particles on the fine mesh screen, so that the blocking of the fine mesh screen is avoided.
Description
Technical Field
The invention relates to the field of slurry treatment, in particular to a negative pressure vibrating screen for slurry treatment.
Background
The vacuum negative pressure vibrating screen is vibrating screening equipment for a vacuum suction system for viscous solid-liquid mixture materials, and a set of vacuum adsorption device is arranged below the last screen of the vibrating screen, so that vacuum suction with a certain frequency is formed through pulsating airflow, the recovery of drilling fluid is improved, the difficulty of solid-liquid separation of the mixture liquid to be treated is reduced, the liquid content of the solid-phase materials of drilling cuttings after treatment is reduced by 20-30% to a limited extent, and the overall drilling work efficiency is improved.
At present, the prior negative pressure vibrating screen is difficult to obtain a better sealing state due to the complexity of a structure between the vibrating screen and the mud storage bin, so that in the suction process, external air is easily supplemented into the mud storage bin through a gap between the vibrating screen and the mud storage bin, so that the mud storage bin can only maintain a lower negative pressure degree, the pressure difference between the external air and the vibrating screen is further reduced, and the screen holes of the vibrating screen are more easily blocked under the negative pressure state, so that the working efficiency and the working effect are reduced.
Therefore, it is necessary to invent a negative pressure vibrating screen for slurry treatment to solve the above problems.
Disclosure of Invention
The invention aims to provide a negative pressure vibrating screen for slurry treatment, which solves the problems that in the prior art, a good sealing state is difficult to obtain between a vibrating screen and a mud storage bin due to the structural complexity, so that in the suction process, external air is easily supplemented into the mud storage bin through a gap between the vibrating screen and the mud storage bin, so that the mud storage bin can only maintain a lower negative pressure degree, the pressure difference between the external air and the vibrating screen is smaller, and the sieve holes of the vibrating screen are easier to be blocked under the negative pressure state, thereby reducing the working efficiency and the working effect.
In order to achieve the above object, the present invention provides the following technical solutions: the negative pressure vibrating screen for slurry treatment comprises a frame, wherein a screening mechanism is connected to the inside of the frame through a buffer mechanism, a vibrating assembly is arranged above the screening mechanism, a negative pressure mechanism is arranged at the bottom of the screening mechanism, and a sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism;
the screening mechanism comprises a screen frame, a coarse mesh screen is arranged on the upper portion of the screen frame, a fine mesh screen is arranged below the coarse mesh screen, a discharge hole is formed in the right side of the screen frame, an air injection assembly is arranged below the fine mesh screen and comprises a gas transmission main pipe, exhaust pipes are arranged on the rear side of the gas transmission main pipe at equal intervals, and exhaust nozzles are arranged on the exhaust pipes at equal intervals;
the negative pressure mechanism comprises an adsorption cover, the adsorption cover is arranged at the bottom of the screen frame, and the bottom of the adsorption cover is connected with a gas-liquid separator;
the sealing mechanism comprises a first return groove and a second return groove which are formed in the bottom edge of the screen frame, and a first frame block and a second frame block which are fixed on the top edge of the adsorption cover, wherein the first frame block and the second frame block are respectively matched with the first return groove and the second return groove, and a sealing cushion block is arranged between the first frame block and the second frame block.
Preferably, the vibration assembly comprises a mounting seat, the mounting seat is connected with the middle part of the upper side of the screen frame, a vibration motor is mounted on the mounting seat, the vibration motor works to drive the mounting seat to vibrate, the mounting seat vibrates to drive the screen frame to vibrate, so that coarse mesh screens and fine mesh screens in the screen frame vibrate, and the screening and filtering of slurry are facilitated.
Preferably, the bottom equidistant carrier bars that is fixed with of coarse mesh screen cloth and fine mesh screen cloth, the front and back both ends and the front and back inner wall fixed connection of sieve frame of carrier bar support coarse mesh screen cloth and fine mesh screen cloth through the carrier bar of coarse mesh screen cloth and fine mesh screen cloth bottom for coarse mesh screen cloth and fine mesh screen cloth installation are stable.
Preferably, the air pump is installed in the outside of frame, the output of air pump is connected with the gas transmission hose, the one end that the gas transmission hose kept away from the air pump extends to in the screen frame and is connected with the gas transmission house steward.
Preferably, the exhaust nozzle is provided with a one-way valve to prevent mud from entering the exhaust pipe through the exhaust nozzle.
Preferably, the bottom of adsorption cover is connected with the discharge hose, the lower extreme and the vapour and liquid separator of discharge hose are connected, vapour and liquid separator's upper portion is connected with the negative pressure pipe, the one end that vapour and liquid separator was kept away from to the negative pressure pipe is connected with the negative pressure pump, and the gas in the vapour and liquid separator is taken out through the negative pressure pipe to the negative pressure pump work to make vapour and liquid separator take out and adsorb the interior air of cover, make and adsorb and form the negative pressure state in the cover.
Preferably, the bottom of the side wall of the gas-liquid separator is connected with a discharge pipe, and pure slurry collected in the gas-liquid separator can be discharged through the discharge pipe.
Preferably, the first return groove is located the outside in second return groove, first frame piece cup joints in the outside of second frame piece, the surface of first frame piece and second frame piece all bonds there is the sealing strip, has improved sealing performance for the leakproofness between adsorption cover top and the bottom of sieve frame is good, integration machine-shaping between first frame piece and second frame piece and the adsorption cover, joint strength is big, the machining shaping of being convenient for has guaranteed the leakproofness of junction simultaneously.
Preferably, the left end top of coarse mesh screen cloth is provided with the feeder hopper, the feeder hopper is installed in the frame, the lower extreme of feeder hopper extends to in the sieve frame, is convenient for feed through the feeder hopper, falls mud on coarse mesh screen cloth through the feeder hopper.
Preferably, the buffer gear is including fixing the first backup pad seat of inner wall around the frame and fixing the second backup pad seat at both sides wall around the sieve frame, the second backup pad seat is located the top of first backup pad seat, equidistant buffer spring of installing between first backup pad seat and the second backup pad seat for can effectively take screening mechanism to shake when vibrating assembly shakes, and the influence that causes the frame when screening mechanism shakes is less, makes things convenient for screening mechanism's vibrations.
In the technical scheme, the invention has the technical effects and advantages that:
1. the sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism, so that the sealing performance of the joint of the adsorption cover and the screen frame is effectively ensured, and the condition that the outside air is easily supplemented into the adsorption cover through a gap between the adsorption cover and the screen frame is avoided, thereby ensuring the negative pressure of adsorption;
2. the air pump works regularly by arranging the air injection component below the fine mesh screen, and air is input into the air transmission main pipe through the air transmission hose, enters into each exhaust pipe and is discharged from each exhaust nozzle, and then the air is blown to the fine mesh screen from bottom to top to blow up the particles on the fine mesh screen, so that the blocking of the fine mesh screen is avoided;
3. through being provided with coarse mesh screen cloth and fine mesh screen cloth on screening mechanism, coarse mesh screen cloth carries out first screening to the mud earlier, intercepts great particulate matter in the mud, and fine and smooth mud passes the mesh of coarse mesh screen cloth and falls on the fine mesh screen cloth, and fine mesh screen cloth carries out the secondary screening to the mud, has improved mud treatment effect, has increased the life of fine mesh screen cloth simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a schematic diagram of a screening mechanism according to the present invention;
FIG. 6 is a perspective view of a screen frame of the present invention;
FIG. 7 is a three-dimensional view of a screen frame of the present invention;
FIG. 8 is a diagram showing the connection between the screening mechanism and the negative pressure mechanism according to the present invention;
FIG. 9 is a schematic diagram of an adsorption cap according to the present invention;
FIG. 10 is an anatomic view of a suction hood of the present invention;
FIG. 11 is a schematic view of a jet assembly according to the present invention.
Reference numerals illustrate:
1. a frame; 2. a screening mechanism; 3. a vibration assembly; 4. a screen frame; 5. coarse mesh screen; 6. fine mesh screen; 7. a discharge port; 8. a jet assembly; 9. a gas transmission main pipe; 10. an exhaust pipe; 11. an exhaust nozzle; 12. an adsorption cover; 13. a gas-liquid separator; 14. a first return groove; 15. a second return groove; 16. a first block; 17. a second frame block; 18. sealing cushion blocks; 19. a mounting base; 20. a vibration motor; 21. a carrier bar; 22. an air pump; 23. a gas hose; 24. a discharge hose; 25. a negative pressure pipe; 26. a negative pressure pump; 27. a discharge pipe; 28. a feed hopper; 29. a first support plate seat; 30. a second support plate seat; 31. and a buffer spring.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a negative pressure vibrating screen for slurry treatment, which is shown in figures 1 to 3, and comprises a frame 1, wherein the inside of the frame 1 is connected with a screening mechanism 2 through a buffer mechanism, a vibrating assembly 3 is arranged above the screening mechanism 2, a negative pressure mechanism is arranged at the bottom of the screening mechanism 2, and a sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism 2;
when handling mud, vibration assembly 3 drives screening mechanism 2 vibrations, and screening mechanism 2 vibrations are screened mud, and negative pressure mechanism makes screening mechanism 2 bottom form negative pressure simultaneously, inhales the mud for the mud passes screening mechanism 2, and the large granule material in the mud is intercepted by screening mechanism 2, realizes the processing of mud.
As shown in fig. 5 and 6, the screening mechanism 2 comprises a screen frame 4, a coarse mesh screen 5 is mounted on the upper portion of the screen frame 4, a fine mesh screen 6 is arranged below the coarse mesh screen 5, a discharge outlet 7 is formed in the right side of the screen frame 4, and large-particle impurities intercepted by the coarse mesh screen 5 and the fine mesh screen 6 are discharged through the discharge outlet 7.
The bottom equidistant carrier bars 21 that is fixed with of coarse mesh screen cloth 5 and fine mesh screen cloth 6, the front and back both ends and the front and back inner wall fixed connection of screen frame 4 of carrier bar 21 support coarse mesh screen cloth 5 and fine mesh screen cloth 6 through carrier bar 21 of coarse mesh screen cloth 5 and fine mesh screen cloth 6 bottom for coarse mesh screen cloth 5 and fine mesh screen cloth 6 installation is stable.
When the slurry is treated, the coarse mesh screen 5 screens the slurry for the first time, larger particulate matters in the slurry are intercepted, fine slurry passes through meshes of the coarse mesh screen 5 and falls onto the fine mesh screen 6, and the fine mesh screen 6 screens the slurry for the second time, so that the slurry treatment effect is improved.
As shown in fig. 6, 7 and 11, an air injection assembly 8 is arranged below the fine mesh screen 6, the air injection assembly 8 comprises a gas transmission main pipe 9, exhaust pipes 10 are arranged on the rear side of the gas transmission main pipe 9 at equal intervals, exhaust nozzles 11 are arranged on the exhaust pipes 10 at equal intervals, and the exhaust nozzles 11 blow air to the fine mesh screen 6 to blow up particles on the fine mesh screen 6, so that the blocking of the fine mesh screen 6 is avoided;
an air pump 22 is arranged on the outer side of the frame 1, an output end of the air pump 22 is connected with an air hose 23, and one end, far away from the air pump 22, of the air hose 23 extends into the screen frame 4 and is connected with the air manifold 9.
The exhaust nozzle 11 is provided with a one-way valve to prevent mud from entering the exhaust pipe 10 through the exhaust nozzle 11.
In order to avoid the blockage of the fine mesh screen 6, the air pump 22 works regularly, air is input into the air transmission main pipe 9 through the air transmission hose 23, the air enters into each exhaust pipe 10 and is discharged from each exhaust nozzle 11, and the air is blown to the fine mesh screen 6 from bottom to top to blow up the particles on the fine mesh screen 6, so that the blockage of the fine mesh screen 6 is avoided.
As shown in fig. 1, 4, 5 and 8, the negative pressure mechanism comprises an adsorption cover 12, the adsorption cover 12 is arranged at the bottom of the screen frame 4, and a gas-liquid separator 13 is connected to the bottom of the adsorption cover 12;
the bottom of the adsorption cover 12 is connected with a discharge hose 24, the lower end of the discharge hose 24 is connected with the gas-liquid separator 13, the upper part of the gas-liquid separator 13 is connected with a negative pressure pipe 25, one end, far away from the gas-liquid separator 13, of the negative pressure pipe 25 is connected with a negative pressure pump 26, and the negative pressure pump 26 works to extract gas in the gas-liquid separator 13 through the negative pressure pipe 25, so that the gas-liquid separator 13 extracts air in the adsorption cover 12, and a negative pressure state is formed in the adsorption cover 12.
A discharge pipe 27 is connected to the bottom of the side wall of the gas-liquid separator 13, and the pure slurry collected in the gas-liquid separator 13 can be discharged through the discharge pipe 27.
The vibration assembly 3 comprises a mounting seat 19, the mounting seat 19 is connected with the middle part of the upper side of the screen frame 4, a vibration motor 20 is mounted on the mounting seat 19, the vibration motor 20 works to drive the mounting seat 19 to vibrate, the mounting seat 19 vibrates to drive the screen frame 4 to vibrate, and therefore the coarse screen 5 and the fine screen 6 in the screen frame 4 vibrate, and mud screening and filtering are facilitated.
The buffer mechanism comprises a first supporting plate seat 29 fixed on the front and rear inner walls of the frame 1 and a second supporting plate seat 30 fixed on the front and rear side walls of the screen frame 4, wherein the second supporting plate seat 30 is located above the first supporting plate seat 29, and buffer springs 31 are installed between the first supporting plate seat 29 and the second supporting plate seat 30 at equal intervals, so that the screening mechanism 2 can be effectively driven to vibrate when the vibration assembly 3 vibrates, the influence on the frame 1 when the screening mechanism 2 vibrates is small, and the vibration of the screening mechanism 2 is convenient.
The left end top of coarse mesh screen cloth 5 is provided with feeder hopper 28, feeder hopper 28 installs in frame 1, the lower extreme of feeder hopper 28 extends to in the screen frame 4, is convenient for feed through feeder hopper 28, falls mud on coarse mesh screen cloth 5 through feeder hopper 28.
When the screening mechanism 2 works, slurry is poured onto the coarse mesh screen 5 in the screen frame 4 through the feed hopper 28, firstly, the vibration motor 20 works to drive the installation seat 19 to vibrate, the installation seat 19 vibrates to drive the screen frame 4 to vibrate, thereby driving the coarse mesh screen 5 and the fine mesh screen 6 in the screen frame 4 to vibrate, the coarse mesh screen 5 and the fine mesh screen 6 effectively screen the slurry, meanwhile, the negative pressure mechanism works, the negative pressure pump 26 works to pump gas in the gas-liquid separator 13 through the negative pressure pipe 25, thereby the gas-liquid separator 13 pumps air in the adsorption cover 12, the adsorption cover 12 forms a negative pressure state, the pressure difference formed by the fine mesh screen 6 up and down is caused, pure slurry passes through the sieve mesh of the fine mesh screen 6 under the combined action of physical vibration and the pressure difference, the pure slurry enters the gas-liquid separator 13 through the adsorption cover 12 and the discharge hose 24, the gas is pumped out by the negative pressure pump 26, and the pure slurry collected in the gas-liquid separator 13 can be discharged through the discharge pipe 27.
As shown in fig. 7 to 10, the sealing mechanism includes a first rectangular groove 14 and a second rectangular groove 15 formed at the bottom edge of the screen frame 4, and a first frame block 16 and a second frame block 17 fixed at the top edge of the suction hood 12, the first frame block 16 and the second frame block 17 are respectively matched with the first rectangular groove 14 and the second rectangular groove 15, and a sealing cushion block 18 is arranged between the first frame block 16 and the second frame block 17.
The first return groove 14 is located the outside of second return groove 15, first frame piece 16 cup joints in the outside of second frame piece 17, the sealing strip has all been bonded to the surface of first frame piece 16 and second frame piece 17, has improved sealing performance for the leakproofness between absorption cover 12 top and the bottom of screen frame 4 is good, integrated machine-shaping between first frame piece 16 and second frame piece 17 and the absorption cover 12, joint strength is big, the processing shaping of being convenient for has guaranteed the leakproofness of junction simultaneously.
When the adsorption cover 12 is connected with the screen frame 4, the first frame block 16 and the second frame block 17 on the adsorption cover 12 are aligned with the first return groove 14 and the second return groove 15 at the bottom of the screen frame 4, so that the first frame block 16 and the second frame block 17 on the adsorption cover 12 are respectively inserted into the first return groove 14 and the second return groove 15 at the bottom of the screen frame 4 and are fixed through bolts, the tightness is improved, sealing gaskets 18 are arranged between the first frame block 16 and the second frame block 17, sealing strips are adhered to the surfaces of the first frame block 16 and the second frame block 17, the tightness of the joint of the adsorption cover 12 and the screen frame 4 can be further improved, the sealing performance of the joint of the adsorption cover 12 and the screen frame 4 is effectively ensured, and external air is prevented from being easily supplemented into the adsorption cover 12 through gaps between the adsorption cover 12 and the screen frame 4, so that the negative pressure of adsorption is ensured.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a negative pressure shale shaker, includes frame (1), its characterized in that: the screening machine is characterized in that a screening mechanism (2) is connected to the inside of the frame (1) through a buffer mechanism, a vibrating assembly (3) is arranged above the screening mechanism (2), a negative pressure mechanism is arranged at the bottom of the screening mechanism (2), and a sealing mechanism is arranged between the negative pressure mechanism and the screening mechanism (2);
the screening mechanism (2) comprises a screen frame (4), a coarse mesh screen (5) is arranged on the upper portion of the screen frame (4), a fine mesh screen (6) is arranged below the coarse mesh screen (5), a discharge outlet (7) is formed in the right side of the screen frame (4), an air injection assembly (8) is arranged below the fine mesh screen (6), the air injection assembly (8) comprises an air conveying main pipe (9), exhaust pipes (10) are arranged on the rear side of the air conveying main pipe (9) at equal intervals, and exhaust nozzles (11) are arranged on the exhaust pipes (10) at equal intervals;
the negative pressure mechanism comprises an adsorption cover (12), the adsorption cover (12) is arranged at the bottom of the screen frame (4), and the bottom of the adsorption cover (12) is connected with a gas-liquid separator (13);
the sealing mechanism comprises a first return groove (14) formed in the bottom edge of the screen frame (4), a second return groove (15) and a first frame block (16) and a second frame block (17) which are fixed on the top edge of the adsorption cover (12), the first frame block (16) and the second frame block (17) are respectively matched with the first return groove (14) and the second return groove (15), and a sealing cushion block (18) is arranged between the first frame block (16) and the second frame block (17).
2. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the vibrating assembly (3) comprises a mounting seat (19), the mounting seat (19) is connected with the middle part of the upper side of the screen frame (4), and a vibrating motor (20) is mounted on the mounting seat (19).
3. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the bottom of the coarse mesh screen (5) and the bottom of the fine mesh screen (6) are fixed with bearing rods (21) at equal intervals, and the front end and the rear end of each bearing rod (21) are fixedly connected with the front inner wall and the rear inner wall of the screen frame (4).
4. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: an air pump (22) is arranged on the outer side of the frame (1), an output end of the air pump (22) is connected with an air hose (23), and one end, far away from the air pump (22), of the air hose (23) extends into the screen frame (4) and is connected with an air manifold (9).
5. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the exhaust nozzle (11) is provided with a one-way valve.
6. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the bottom of adsorption cover (12) is connected with row material hose (24), the lower extreme of row material hose (24) is connected with vapour and liquid separator (13), the upper portion of vapour and liquid separator (13) is connected with negative pressure pipe (25), the one end that vapour and liquid separator (13) was kept away from to negative pressure pipe (25) is connected with negative pressure pump (26).
7. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the bottom of the side wall of the gas-liquid separator (13) is connected with a discharge pipe (27).
8. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the first return groove (14) is located the outside of second return groove (15), first frame piece (16) cup joint in the outside of second frame piece (17), the surface of first frame piece (16) and second frame piece (17) all bonds there is the sealing strip, integration machine-shaping between first frame piece (16) and second frame piece (17) and the absorption cover (12).
9. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the left end top of coarse mesh screen cloth (5) is provided with feeder hopper (28), feeder hopper (28) are installed in frame (1), the lower extreme of feeder hopper (28) extends into in screen frame (4).
10. A slurry treatment negative pressure vibrating screen according to claim 1, wherein: the buffer mechanism comprises a first supporting plate seat (29) fixed on the front inner wall and the rear inner wall of the frame (1) and a second supporting plate seat (30) fixed on the front side wall and the rear side wall of the screen frame (4), the second supporting plate seat (30) is located above the first supporting plate seat (29), and buffer springs (31) are installed between the first supporting plate seat (29) and the second supporting plate seat (30) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385404.6A CN116078034A (en) | 2023-04-12 | 2023-04-12 | Negative pressure vibrating screen for slurry treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385404.6A CN116078034A (en) | 2023-04-12 | 2023-04-12 | Negative pressure vibrating screen for slurry treatment |
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| Publication Number | Publication Date |
|---|---|
| CN116078034A true CN116078034A (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310385404.6A Pending CN116078034A (en) | 2023-04-12 | 2023-04-12 | Negative pressure vibrating screen for slurry treatment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003231996A (en) * | 2002-02-08 | 2003-08-19 | Asake Kakoki Kk | Barrel for surface treatment apparatus |
| CN105032756A (en) * | 2015-09-09 | 2015-11-11 | 徐州天科机械制造有限公司 | Vacuum negative pressure solid-liquid separation vibrating screen |
| CN106939773A (en) * | 2017-05-08 | 2017-07-11 | 长江大学 | A kind of drilling fluid mud screening drying method for treating and drilling fluid mud screening plant |
| CN210152583U (en) * | 2019-04-24 | 2020-03-17 | 四川宝石机械专用车有限公司 | Tandem double-layer negative pressure vibrating screen |
| CN212908550U (en) * | 2020-07-29 | 2021-04-06 | 哈尔滨市永利达科电力设备制造有限公司 | Box-type substation door seal structure |
| CN215292107U (en) * | 2021-04-23 | 2021-12-24 | 山东恒诺建设工程咨询有限公司 | Door and window structure for building engineering |
-
2023
- 2023-04-12 CN CN202310385404.6A patent/CN116078034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003231996A (en) * | 2002-02-08 | 2003-08-19 | Asake Kakoki Kk | Barrel for surface treatment apparatus |
| CN105032756A (en) * | 2015-09-09 | 2015-11-11 | 徐州天科机械制造有限公司 | Vacuum negative pressure solid-liquid separation vibrating screen |
| CN106939773A (en) * | 2017-05-08 | 2017-07-11 | 长江大学 | A kind of drilling fluid mud screening drying method for treating and drilling fluid mud screening plant |
| CN210152583U (en) * | 2019-04-24 | 2020-03-17 | 四川宝石机械专用车有限公司 | Tandem double-layer negative pressure vibrating screen |
| CN212908550U (en) * | 2020-07-29 | 2021-04-06 | 哈尔滨市永利达科电力设备制造有限公司 | Box-type substation door seal structure |
| CN215292107U (en) * | 2021-04-23 | 2021-12-24 | 山东恒诺建设工程咨询有限公司 | Door and window structure for building engineering |
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Application publication date: 20230509 |