CN113828034A - Screen separation structure with self-cleaning function and device with same - Google Patents
Screen separation structure with self-cleaning function and device with same Download PDFInfo
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- CN113828034A CN113828034A CN202111227486.9A CN202111227486A CN113828034A CN 113828034 A CN113828034 A CN 113828034A CN 202111227486 A CN202111227486 A CN 202111227486A CN 113828034 A CN113828034 A CN 113828034A
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- screen
- rotating shaft
- self
- gear shaping
- cleaning function
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- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 238000010862 gear shaping Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000005191 phase separation Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 239000003818 cinder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036619 pore blockages Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/09—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with filtering bands, e.g. movable between filtering operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a screen separation structure with a self-cleaning function and a device with the structure, belonging to the technical field of solid-liquid separation, and comprising a screen and a rotating shaft for supporting the screen, wherein the rotating shaft comprises a driving shaft connected with a driving device and a driven shaft moving along with the screen, and at least two rows of gear shaping teeth capable of being inserted into screen holes of the screen are arranged in the circumferential direction of the rotating shaft so as to realize the automatic cleaning of the screen; the shape of the gear shaping, the distribution along the circumferential direction and the axial direction of the rotating shaft are beneficial to the vibration of the screen. According to the invention, through the gear shaping arranged on the rotating shaft, the automatic cleaning of the screen is realized, and the problem that the screen is easy to block in the prior art is solved.
Description
Technical Field
The invention belongs to the technical field of solid-liquid separation, and relates to a screen separation structure with a self-cleaning function and a device with the structure.
Background
The solid-gas-liquid three-phase separation is a common environment-friendly treatment technology and is widely applied to chemical industry, animal husbandry and underground coal mines.
A large amount of directional drilling equipment is adopted for drilling construction under a coal mine to realize gas extraction control, geological detection, water exploration and drainage and the like, but a large amount of slag and gas are contained in return water of a drill hole. Most of mines adopt a simple sedimentation tank excavation mode to carry out natural sedimentation, solid-liquid extensive separation of drill cuttings is realized, then manual slag removal is adopted, and the labor intensity of personnel is high due to the fact that the treated sewage contains more solid particles. The vibrating screen type solid-liquid separator is also adopted to carry out solid-liquid separation of water returning from an orifice, but a screen of the device is easy to block, inconvenient to clean, frequent in screen replacement, poor in solid-liquid separation effect, and the returned slag still contains gas.
Disclosure of Invention
In view of the above, the present application provides a separating structure of a screen panel with a self-cleaning function and a device having the same, so as to achieve self-cleaning of the screen panel.
In order to achieve the purpose, the invention provides the following technical scheme:
a screen separation structure with a self-cleaning function comprises a screen and a rotating shaft for supporting the screen, wherein the rotating shaft comprises a driving shaft connected with a driving device and a driven shaft moving along with the screen, and at least two rows of gear shaping teeth capable of being inserted into screen holes of the screen are arranged in the circumferential direction of the rotating shaft so as to realize the automatic cleaning of the screen; the shape of the gear shaping, the distribution along the circumferential direction and the axial direction of the rotating shaft are beneficial to the vibration of the screen.
Optionally, the gear shaping is distributed continuously or discontinuously along the axial direction of the rotating shaft, the pitch of the gear shaping is equal to n times of the pitch of the longitudinal sieve holes of the sieve mesh, and n is a natural number not less than 1.
Optionally, the shaft is provided with two or three rows of gear teeth to improve the vibration of the screen.
Optionally, the gear shaping on different rotating shafts is staggered along the axial direction of the rotating shaft.
Optionally, the number of the driving shafts is one or more.
Optionally, the rotating shaft includes a rotating shaft body and at least one driving wheel sleeved on the rotating shaft body, and the gear shaping is located on the driving wheel.
Optionally, the screens are arranged in any one or a combination of horizontal and inclined forms.
Optionally, the screen surface of the screen is full-mesh or semi-mesh, and the mesh density of the screen is set according to the separation effect.
A solid-gas-liquid three-phase separation device comprises a box body, wherein a screen separation structure is arranged in the box body, the screen separation structure is applied to the screen separation structure, and the box body is divided into an upper box body and a lower box body which are arranged up and down by a screen; the upper box body is provided with a feed inlet corresponding to the feeding end of the screen, a slag discharge port corresponding to the discharging end of the screen and an air exhaust hole connected with the negative pressure device at the top; the bottom of the lower box body is provided with a liquid outlet.
Optionally, a slag discharging plate is arranged at the slag discharging opening, the slag discharging plate is arranged in a horizontal or inclined downward inclination manner, and the slag discharging plate can turn over relative to the slag discharging opening to close the slag discharging opening.
The invention has the beneficial effects that:
1. the mesh can be automatically cleaned by arranging the gear shaping on the rotating shaft, the self-cleaning function of the screen is further improved by the vibration of the screen, the problem of screen mesh blockage caused by long-term use is avoided, the replacement frequency of the screen is reduced, the service life of the screen is prolonged, and the reliability of the separating device is improved;
2. the separation effect can be adjusted by changing the density of the sieve pores and the shape, radial distribution and axial distribution of the gear shaping, and the application range of the device is widened.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first schematic structural view of a separating structure of a screen;
FIG. 2 is a second schematic structural view of a separating structure of the screen;
FIG. 3 is a first schematic diagram of a solid-gas-liquid three-phase separation apparatus;
FIG. 4 is a second schematic structural view of a solid-gas-liquid three-phase separation device.
Reference numerals: the box 1, aspirating hole 2, feed inlet 3, first driven shaft 4, second driven shaft 5, third driven shaft 6, drive shaft 7, liquid outlet 8, screen cloth 9, row's cinder plate 10, access hole 11.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, a screen separating structure with a self-cleaning function comprises a screen 9 and a rotating shaft for supporting the screen 9, wherein the rotating shaft is rotatably connected to the corresponding supporting structure, the rotating shaft comprises a driving shaft connected with a driving device and a driven shaft moving along with the screen 9, and at least two rows of gear shaping teeth capable of being inserted into screen holes of the screen 9 are arranged in the circumferential direction of the rotating shaft to realize the automatic cleaning of the screen 9.
Optionally, the shape of the gear shaping, distribution in the circumferential and axial directions of the shaft facilitates vibration of the screen.
Optionally, the gear shaping is distributed continuously or discontinuously along the axial direction of the rotating shaft, the pitch of the gear shaping is equal to n times of the longitudinal mesh pitch of the screen, n is a natural number not less than 1, and the longitudinal mesh pitch of the screen refers to the center distance of adjacent meshes in the moving direction of the screen.
Optionally, the rotating shaft is provided with two or three rows of gear teeth, and the gear teeth are distributed along the axial direction in a staggered manner, so that the vibration of the screen is improved. The larger tooth pitch and the higher tooth form are beneficial to improving the vibration effect of the screen, and further beneficial to dredging and separating.
Alternatively, the drive shaft may be one or more.
Optionally, the rotating shaft includes a rotating shaft body and at least one driving wheel sleeved on the rotating shaft body, and the gear shaping is located on the driving wheel.
Alternatively, the screen 9 is arranged in any one or a combination of horizontal and inclined forms.
Optionally, the screen surface of the screen 9 is full mesh or half mesh, and the mesh density of the screen 9 is set according to the separation effect.
The screen separation structure can be used for solid-liquid separation and solid-solid separation to screen required solid particles.
A solid-gas-liquid three-phase separation device comprises a box body 1, wherein a screen separation structure is arranged in the box body 1, the screen separation structure is applied to the screen separation structure, and a screen 9 divides the box body 1 into an upper box body 1 and a lower box body 1 which are arranged up and down; the upper box body 1 is provided with a feed inlet 3 corresponding to the feeding end of the screen 9, a slag discharge port corresponding to the discharging end of the screen 9 and an air exhaust hole 2 connected with a negative pressure device at the top; the bottom of the lower box body 1 is provided with a liquid outlet 8.
Optionally, a slag discharging plate 10 is disposed at the slag discharging port, the slag discharging plate 10 is horizontally or obliquely arranged in a downward inclination manner, and the slag discharging plate 10 can be turned over relative to the slag discharging port to close the slag discharging port.
According to the invention, the sieve pores of the sieve mesh are matched with the gear shaping on the rotating shaft, and the gear shaping on the rotating shaft can automatically clean the sieve pores in the operation process of the device, so that the problem of sieve pore blockage caused by long-term use is avoided, the replacement frequency of the sieve mesh 9 is effectively reduced, the service life of the sieve mesh 9 is greatly prolonged, and the reliability of the separating device is improved.
The invention has simple structure, and the separation effect can be adjusted by changing the mesh density of the screen mesh, the shape of the gear shaping of the rotating shaft, the radial distribution and the axial distribution. In addition, the slag water treatment capacity can be adjusted by adjusting the rotating speed of the rotating shaft, and the method is suitable for various application fields.
Examples
A solid-gas-liquid three-phase separation device comprises a box body 1, wherein a screen 9, a driving shaft 7, a first driven shaft 4, a second driven shaft 5 and a third driven shaft 6 are arranged in the box body 1. Box 1, the top is equipped with aspirating hole 2, and the rear end is equipped with feed inlet 3, and the bottom is equipped with liquid outlet 8 and access hole 11, and the front end is equipped with the slag notch, and slag notch department is equipped with row's cinder plate 10. The driving shaft 7 is sleeved with a plurality of driving wheels with similar cam structures, a plurality of rows of gear shaping teeth are distributed on the circumferential direction of the driving wheels, and the gear shaping teeth are continuously or discontinuously distributed along the axial direction of the driving shaft 7; can be driven by a motor or a hydraulic motor, and further drives a plurality of driven shafts to rotate by driving the screen 9 to rotate. The driven shafts are sleeved with a plurality of driving wheels with similar cam structures, and the axial directions of the driving wheels are provided with gear shaping which is continuously or discontinuously distributed along the axial directions of the driven shafts; when the transmission wheels are discontinuously distributed, the transmission wheels among a plurality of driven shafts are distributed in different rows to form staggered arrangement. The screen 9 divides the box body 1 into an upper box body and a lower box body which are arranged up and down; during the rotation process, the sieve pores of the sieve mesh can be matched with the gear shaping on the driving shaft 7 and the driven shaft to eject sundries in the sieve pores. The pitch of the gear shaping teeth on different shafts can be the same or different, but is matched with the pitch of the longitudinal sieve holes of the screen.
This embodiment drives drive shaft 7 through external driving source and rotates, and drive shaft 7 drives screen cloth 9 and the driven shaft is rotatory, and the mixture gets into the screen cloth face by feed inlet 3, and liquid gets into box under through the sieve mesh on the screen cloth 9, discharges through the liquid outlet 8 that sets up bottom half under again, and solid particle moves to row's cinder notch along with screen cloth 9, leads out through row's cinder plate 10, and gas is discharged through setting up the negative pressure aspirating hole 2 at 1 top of box to the three-phase high-efficient separation of solid gas-liquid has been realized. If the liquid outlet 8 is blocked, the liquid outlet can be cleaned through the access hole 11.
The gear shaping on the rotating shaft can automatically clean the screen 9, can effectively prevent the screen 9 from being blocked, prolongs the service life of the screen 9 and improves the reliability of the separating device, and simultaneously reduces the replacement frequency of the screen 9, the labor intensity of personnel and the production efficiency. In addition, the separating effect of the screen 9 can be adjusted in various ways. The invention solves the problems of low adaptability, low reliability, small treatment capacity, low efficiency, easy blockage of the screen, short service life, frequent replacement and the like of the conventional separation device.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a screen cloth isolating construction with self-cleaning function, includes screen cloth and the pivot of support screen cloth, and the pivot includes the driving shaft of being connected with drive arrangement and the driven shaft along with the screen cloth motion, its characterized in that: at least two rows of gear shaping teeth which can be inserted into sieve pores of the sieve are arranged in the circumferential direction of the rotating shaft so as to realize automatic cleaning of the sieve; the shape of the gear shaping, the distribution along the circumferential direction and the axial direction of the rotating shaft are beneficial to the vibration of the screen.
2. A screen separating structure having a self-cleaning function according to claim 1, wherein: the gear shaping is distributed continuously or discontinuously along the axial direction of the rotating shaft, the tooth pitch of the gear shaping is equal to n times of the hole pitch of the longitudinal sieve holes of the sieve, and n is a natural number not less than 1.
3. A screen separating structure having a self-cleaning function according to claim 1, wherein: the rotating shaft is provided with two rows or three rows of gear shaping teeth so as to improve the vibration of the screen mesh.
4. A screen separating structure having a self-cleaning function according to claim 1, wherein: the gear shaping on different pivots is staggered along the pivot axial direction.
5. A screen separating structure having a self-cleaning function according to claim 1, wherein: the number of the driving shafts is one or more.
6. A screen separating structure having a self-cleaning function according to claim 1, wherein: the rotating shaft comprises a rotating shaft body and at least one driving wheel sleeved on the rotating shaft body, and the gear shaping is located on the driving wheel.
7. A screen separating structure having a self-cleaning function according to claim 1, wherein: the screen mesh is arranged in any one or a combination of horizontal and inclined forms.
8. A screen separating structure having a self-cleaning function according to claim 1, wherein: the screen surface of the screen is full-mesh or semi-mesh, and the mesh density of the screen is set according to the separation effect.
9. The utility model provides a solid gas-liquid three-phase separation device, includes the box, is equipped with screen cloth separation structure, its characterized in that in the box: the screen separation structure is as claimed in any one of claims 1 to 8, and the screen divides the box body into an upper box body and a lower box body which are arranged up and down; the upper box body is provided with a feed inlet corresponding to the feeding end of the screen, a slag discharge port corresponding to the discharging end of the screen and an air exhaust hole connected with the negative pressure device at the top; the bottom of the lower box body is provided with a liquid outlet.
10. The solid-gas-liquid three-phase separation device according to claim 9, wherein: the slag discharging hole is provided with a slag discharging plate which is arranged in a horizontal or inclined downward inclination manner, and the slag discharging plate can turn over relative to the slag discharging hole to close the slag discharging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111227486.9A CN113828034B (en) | 2021-10-21 | 2021-10-21 | Screen separation structure with self-cleaning function and device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111227486.9A CN113828034B (en) | 2021-10-21 | 2021-10-21 | Screen separation structure with self-cleaning function and device with same |
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| Publication Number | Publication Date |
|---|---|
| CN113828034A true CN113828034A (en) | 2021-12-24 |
| CN113828034B CN113828034B (en) | 2022-12-27 |
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| CN202111227486.9A Active CN113828034B (en) | 2021-10-21 | 2021-10-21 | Screen separation structure with self-cleaning function and device with same |
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