CN115138116A - Sewage treatment device with replaceable filter screen - Google Patents
Sewage treatment device with replaceable filter screen Download PDFInfo
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- CN115138116A CN115138116A CN202210923710.6A CN202210923710A CN115138116A CN 115138116 A CN115138116 A CN 115138116A CN 202210923710 A CN202210923710 A CN 202210923710A CN 115138116 A CN115138116 A CN 115138116A
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- filter screen
- opening
- sewage treatment
- treatment
- sewage
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- 238000011282 treatment Methods 0.000 title claims abstract description 62
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 20
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000036961 partial effect Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 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
- B01D29/01—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 flat filtering elements
- B01D29/03—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 flat filtering elements self-supporting
-
- 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
-
- 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
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a sewage treatment device with a replaceable filter screen, which relates to the technical field of sewage treatment and comprises a treatment box, wherein a treatment chamber is arranged in the treatment box, the treatment box is provided with a movable side wall structure, and a filter screen opening is formed on the side wall structure; the filter screen frame comprises a supporting seat and at least two filter screens arranged on the supporting seat, wherein one filter screen extends into the treatment chamber through a filter screen opening; the first driving device drives the side wall structure to enlarge or reduce the filter screen opening; the impurity that is located the filter screen top is by the bottom of upset to the filter screen, and the impurity that partial proportion is big can receive gravity directly to drop, and the impurity accessible of another part jam on the filtration pore is strikeed or is used the dredging tool to make it drop to conveniently clear up the impurity on the filter screen, improve cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device with a replaceable filter screen.
Background
Acid-base wastewater is one of the most common wastewater treatments. The acidic waste water mainly comes from steel plants, chemical plants, dye plants, electroplating plants, mines and the like, and the treatment of the waste water is mainly to treat various harmful substances or heavy metal salts. The mass fraction of acid in wastewater treatment varies greatly, with less than 1% lower and more than 10% higher. The alkaline waste water mainly comes from a printing and dyeing mill, a leather mill, a paper mill, an oil refinery and the like. In the treatment of waste water, organic alkali or inorganic alkali is contained. The mass fraction of the alkali is higher than 5% in some cases and lower than 1% in some cases. Acid and alkali wastewater contains acid salt, basic salt, and other inorganic matters and organic matters besides acid and alkali.
The invention discloses a device and a method for treating chemical alkaline sewage, which are disclosed in Chinese patent with the publication number of CN110294547B, and comprise a treatment box and a blending box, wherein a stirring motor is fixedly arranged at the bottom of an inner cavity of the blending box, a stirring mechanism is fixedly connected to one end of an output of the stirring motor, a filter plate penetrates through the inner cavity of the treatment box, one side of the filter plate is clamped with the bottom of the inner cavity of the treatment box through a support block, and when the filter plate is damaged or blocked and needs to be replaced or dredged correspondingly, on one hand, a worker needs to dismantle the filter plate in the treatment box, so that the filter plate is inconvenient to dismantle, impurities are located on the top surface of the filter plate, a large amount of time is consumed for treating the impurities, and on the other hand, after the filter screen is damaged, the treatment box can not normally filter the sewage, and the filtering efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a sewage treatment device with a replaceable filter screen, and aims to solve the problems that the filter screen in the sewage treatment device in the prior art is inconvenient to disassemble and low in filtering efficiency.
In order to realize the purpose, the invention adopts the following technical scheme: a sewage treatment device with a replaceable filter screen comprises:
the device comprises a treatment box, a filter screen and a control box, wherein a treatment chamber is arranged in the treatment box, the treatment box is provided with a movable side wall structure, and a filter screen port is formed on the side wall structure;
the filter screen frame comprises a supporting seat and at least two filter screens arranged on the supporting seat, wherein one of the filter screens extends into the treatment chamber through a filter screen opening;
the first driving device drives the side wall structure to enlarge or reduce the filter screen opening;
the second drive arrangement, when the filter screen mouth increases, the drive the filter screen frame rotates, makes the filter screen can rotate to handle the cavity inside, or rotate to handling the case outside.
In order to enable the detachable filter screen to have the effect, the detachable filter screen has the further technical scheme that one end of the support seat is provided with a socket, the outer circumferential wall of the support seat is provided with a through groove communicated with the socket, the filter screen comprises a filter part inserted in the through groove and an anti-falling part connected to one end of the filter part, and the anti-falling part is positioned in the socket.
According to a further technical scheme, the inserting opening is in a circular truncated cone shape, and the anti-falling part is provided with a first contact surface which is in contact with the inner wall of the inserting opening.
In order to prevent the filter screen frame from being fixed unstably, the invention has the further technical scheme that the filter screen frame further comprises a fixing assembly for fixing at least two filter screen frames.
According to a further technical scheme, the fixing assembly comprises a sealing cover used for sealing the insertion opening, an insertion rod connected to one end of the sealing cover and formed by extending inwards along the axial direction of the insertion opening, and an extrusion block sleeved outside the insertion rod, and the extrusion block can apply force to the anti-falling parts on the at least two filter screen frames.
According to a further technical scheme, a locking structure is further arranged between one end, far away from the sealing cover, of the inserted rod and the end face of the socket.
According to a further technical scheme, the locking structure comprises a threaded hole formed in one end of the inserting rod and a threaded rod in threaded fit with the threaded hole, and one end of the threaded rod is fixed with the inserting opening.
According to a further technical scheme, the side wall structure comprises two shielding plates which are distributed up and down, the filter screen opening is formed between the two shielding plates, and the first driving device is used for driving the two shielding plates to move oppositely or reversely so as to increase or reduce the filter screen opening.
According to a further technical scheme, a flow guide device is further arranged inside the treatment chamber and used for enabling sewage entering the treatment chamber to flow onto the filter screen.
According to a further technical scheme, the flow guide device comprises a flow guide plate abutting against one end of the filter screen and a telescopic component for driving the flow guide plate to abut against one end of the filter screen or separate from the filter screen.
The invention has the beneficial effects that:
1. be located the inside filter screen jam of treatment cavity or damage the back, through first drive arrangement drive lateral wall structure, increase filter screen mouth, take place to interfere with the lateral wall structure when avoiding filter screen frame to take place to rotate, rotate through second drive arrangement drive filter screen frame after that, make the filter screen that is located treatment cavity rotate to the outside of handling the case, the impurity that is located the filter screen top is by the bottom of upset to the filter screen, the impurity that partial proportion is big can receive gravity directly to drop, and the impurity accessible of another part jam on the filtration pore is strikeed or is used the mediation instrument to make it drop, thereby conveniently clear up the impurity on the filter screen, and the cleaning efficiency is improved.
2. The other filter screen rotates to the inside of the treatment cavity, the treatment box still can normally perform filtering work, the sewage treatment efficiency of the treatment box is improved, and finally the filter screen opening is reduced by driving the side wall structure through the first driving device again.
3. Make through rotating fixed subassembly and supporting seat separation, just so can dismantle the filter screen along the axial direction of supporting seat, after installing the filter screen along the axial direction of supporting seat, through rotating fixed subassembly, make its one end fixed with the supporting seat, two at least filter screens of extrusion piece extrusion of round platform form can avoid the not hard up phenomenon of filter screen simultaneously.
4. Through the flexible of flexible part, make the guide plate use its one end as the rotation center rotation, reach and filter screen one end counterbalance, or the effect of phase separation, when the one end of guide plate and filter screen one end counterbalance, the effectual impurity that stops in the partial sewage flows down from the gap problem.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the sidewall structure of the present invention in an open position;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic perspective view of a strainer tray of the present invention;
FIG. 5 is an exploded view of the strainer tray of the present invention;
FIG. 6 is a schematic cross-sectional view of a screen frame of the present invention;
FIG. 7 is a schematic structural view of the fixing assembly of the present invention in a state separated from the supporting base;
FIG. 8 is a schematic perspective view of the filter net of the present invention;
FIG. 9 is a schematic cross-sectional view of the support base of the present invention;
FIG. 10 is a schematic view of the filter screen of the present invention in an inclined position;
FIG. 11 is a side view of the present invention;
FIG. 12 is a schematic cross-sectional structure of another embodiment of the present invention;
fig. 13 is a schematic structural view of the deflector of the present invention.
In the figure: 10. a treatment box; 11. a processing chamber; 12. a sidewall structure; 121. a shielding plate; 13. a filter screen port; 20. a screen frame; 21. a supporting seat; 211. a socket; 212. a through groove; 22. a filter screen; 221. a filtering part; 222. an anti-drop part; 222a, a first contact surface; 222b, a second contact surface; 23. a fixing assembly; 231. sealing the cover; 232. inserting a rod; 233. extruding the block; 24. a locking structure; 241. a threaded hole; 242. a threaded rod; 30. a first driving device; 31. a second motor; 32. a second decelerator; 33. a screw rod; 331. a positive thread; 332. reverse threads; 34. a thread plate; 40. a second driving device; 41. a support frame; 42. a first motor; 43. a first decelerator; 44. a drive shaft; 50. a flow guide device; 51. a baffle; 511. a flow guide part; 512. an abutting portion; 52. a telescopic member; 60. impurities; 70. a gap.
Detailed Description
The following description will further describe embodiments of the present invention with reference to fig. 1 to 13.
As shown in fig. 1 and fig. 2, a sewage treatment device with a replaceable filter screen comprises a treatment tank 10, wherein a treatment chamber 11 is arranged in the treatment tank 10, so that sewage can be conveyed into the treatment chamber 11 through a sewage discharge pipe, the treatment chamber 11 has an inclined bottom wall, a sewage discharge outlet is arranged at the lower end of the bottom wall, so that filtered sewage can be discharged, the treatment tank 10 is provided with a movable side wall structure 12, and a filter screen opening 13 is formed in the side wall structure 12;
the filter screen frame 20, the filter screen frame 20 includes the supporting seat 21 and the filter screen 22 installed on the supporting seat 21 in the shape of cylinder, cuboid, etc., the number of the filter screen 22 is at least two, one of the filter screen 22 extends into the interior of the processing chamber 11 through the filter screen port 13;
a first drive means 30 for driving the side wall structure 12 to enlarge or reduce the screen opening 13;
the second driving device 40, when the screen opening 13 is enlarged, drives the screen frame 20 to rotate, so that the screen 22 can rotate to the inside of the processing chamber 11 or to the outside of the processing box 10, as shown in fig. 3, as an embodiment of the second driving device 40, it includes a supporting frame 41 installed on two outer walls of the processing box 10, a first motor 42 installed on the supporting frame 41, a first reducer 43 connected to an output shaft of the first motor 42, and a driving shaft 44 installed at an output end of the first reducer 43, wherein one end of the driving shaft 44 is fixedly connected to the supporting base 21, for example, connected to the supporting base 21 through a coupling.
In this embodiment, after the filter screen 22 located inside the processing chamber 11 is blocked or damaged, the side wall structure 12 is driven by the first driving device 30, the filter screen opening 13 is enlarged, so as to avoid interference with the side wall structure 12 when the filter screen frame 20 rotates, then the filter screen frame 20 is driven to rotate by the second driving device 40, so that the filter screen 22 located inside the processing chamber 11 rotates to the outside of the processing box 10, the impurities 60 located at the top of the filter screen 22 are overturned to the bottom of the filter screen 22, part of the impurities 60 with large specific gravity can be directly fallen off by gravity, and the impurities 60 blocked on the filter holes of the other part can be knocked or fall off by using a dredging tool, so that the impurities on the filter screen 22 can be conveniently cleaned, the cleaning efficiency is improved, meanwhile, the other filter screen 22 rotates to the inside the processing chamber 11, the processing box 10 can still work normally, the efficiency of processing box 10 for processing sewage is improved, finally, the side wall structure 12 is driven by the first driving device 30 again, and the filter screen opening 13 can be reduced.
As shown in fig. 4 and 5, an insertion opening 211 is formed at one end of the support base 21, the cross section of the insertion opening 211 may be in various shapes such as a circle, a square, a trapezoid, etc., a through groove 212 communicating with the insertion opening 211 is formed on the outer circumferential wall of the support base 21, the filter net 22 includes a filter part 221 inserted in the through groove 212 and an anti-falling part 222 connected to one end of the filter part 221, and the anti-falling part 222 is located inside the insertion opening 211 and is used for limiting the filter net 22 to be directly separated from the support base 21 from the through groove 212.
As shown in fig. 9, the socket 211 has a circular truncated cone shape with a large diameter at one end and a small diameter at the other end, and the retaining portion 222 has a first contact surface 222a that contacts the inner wall of the socket 211.
As shown in fig. 6 and 7, in order to avoid the problem of unstable fixation of the filter net 22, the filter net frame 20 further includes a fixing assembly 23 for fixing at least two filter net frames 20.
Specifically, the fixing assembly 23 includes a cover 231 for closing the socket 211, an insertion rod 232 connected to one end of the cover 231 and extending inward along the axial direction of the socket 211, and a pressing block 233 sleeved outside the insertion rod 232, where the pressing block 233 can apply a force to the anti-falling portions 222 on at least two filter net frames 20 to fix the filter net 22, preferably, the pressing block 233 is made of an elastic material, such as rubber, but may also be made of stainless steel or wood, and as a preferred shape of the pressing block 233, the pressing block 233 is also in the shape of a circular truncated cone with a large diameter at one end and a small diameter at one end, the anti-falling portion 222 is in the shape of a hyperboloid arc, the anti-falling portion 222 has a second contact surface 221b opposite to the first contact surface 222a, and the outer surface of the pressing block 233 contacts with the second contact surface 222 b.
As shown in fig. 6 and 7, a locking structure 24 is further provided between an end of the plug rod 232 away from the cover 231 and an end surface of the socket 211.
Specifically, locking structure 24 is including seting up at the screw hole 241 of inserted bar 232 one end and with screw hole 241 screw-thread fit's threaded rod 242, the one end and the socket 211 of threaded rod 242 are fixed, make through rotating fixed subassembly 23 and separate with supporting seat 21, just so can dismantle filter screen 22 along the axial direction of supporting seat 21, after installing filter screen 22 along the axial direction of supporting seat 21, through rotating fixed subassembly 23, make its one end fixed with supporting seat 21, the extrusion piece 233 extrusion of round platform form two at least filter screens 22 simultaneously, can avoid the not hard up phenomenon of filter screen 22.
Specifically, the side wall structure 12 includes two shielding plates 121 distributed up and down, the two shielding plates 121 are slidably connected to one side of the processing box 10 up and down, the filter screen port 13 is formed between the two shielding plates 121, the first driving device 30 is configured to drive the two shielding plates 121 to move in opposite directions or in opposite directions so as to increase or decrease the filter screen port 13, as shown in fig. 3 and 10, as an embodiment of the first driving device 30, the first driving device includes a second motor 31 fixedly mounted on the support frame 41, a second speed reducer 32 mounted on an output shaft of the second motor 31, and a screw 33 connected to an output end of the second speed reducer 32, threaded plates 34 in threaded engagement with the screw 33 are fixedly connected to the two shielding plates 121, respectively, a positive thread 331 and a negative thread 332 are provided on the screw 33, the two threaded plates 34 are located on the positive thread 331 and the negative thread 332, respectively, so that the two shielding plates 121 can move in opposite directions or in opposite directions by driving the screw 33 to rotate, thereby achieving an effect of increasing or decreasing the filter screen port 13, as a second embodiment of the first driving device 30, the first driving device can also directly adopt two-way telescopic cylinders to drive the two shielding plates 121 or the two telescopic cylinders to move in opposite directions, and enable the two telescopic ends of the two shielding plates 121 to move in opposite directions, respectively, and enable the two telescopic cylinders to move in opposite directions, respectively.
As shown in fig. 1 and 10, the second driving device 40 drives the filter screen frame 20 to rotate, so that the filter screen 22 can be kept horizontal or inclined, sewage is filtered, and when the filter screen 22 is inclined, impurities can move towards the supporting base 21 by gravity, and the impurities are prevented from falling off from the gap.
As shown in fig. 1 and 2, after the filter screen 22 rotates into the treatment chamber 11, a gap 70 is formed between one end of the filter screen and the side wall of the treatment chamber 11, as shown in fig. 12 and 13, in order to prevent impurities in the sewage from being discharged from the gap 70, a diversion device 50 is further disposed inside the treatment chamber 11 for making the sewage entering the treatment chamber 11 flow down onto the filter screen 22.
Specifically, guiding device 50 includes guide plate 51 and drive guide plate 51 that leans on with filter screen 22 one end counterbalance and leans on at filter screen 22 one end or break away from filter screen 22's flexible part 52, guide plate 51 includes the water conservancy diversion portion 511 of slope and connects the portion 512 that leans on at water conservancy diversion portion 511 bottom downwardly extending, the one end of water conservancy diversion portion 511 articulates inside processing chamber 11 through the round pin axle, flexible part 52 adopts the cylinder, pneumatic cylinder or electric telescopic handle, the one end of flexible part 52 articulates on processing chamber 11's inside wall through the axle, the other end articulates the downside at guide plate 51, through the flexible of flexible part 52, make guide plate 51 rotate with its one end as the rotation center, reach and offset with filter screen 22 one end, or the effect of phase separation, when guide plate 51's one end offsets with filter screen 22 one end, the effectual problem that impurity in the part sewage flowed down from the gap of blockking.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a sewage treatment plant of removable filter screen which characterized in that includes:
a treatment tank (10), wherein a treatment chamber (11) is arranged in the treatment tank (10), the treatment tank (10) is provided with a movable side wall structure (12), and a filter screen opening (13) is formed on the side wall structure (12);
the filter screen frame (20), the filter screen frame (20) includes a supporting seat (21) and filter screens (22) installed on the supporting seat (21), the number of the filter screens (22) is at least two, and one of the filter screens (22) extends into the processing chamber (11) through a filter screen opening (13);
a first drive means (30) to drive the side wall structure (12) to increase or decrease the screen opening (13);
and the second driving device (40) drives the filter screen frame (20) to rotate when the filter screen opening (13) is enlarged, so that the filter screen (22) can rotate to the inside of the treatment chamber (11) or rotate to the outside of the treatment box (10).
2. The sewage treatment device with the replaceable filter screen as claimed in claim 1, wherein one end of the supporting base (21) is provided with a socket (211), the outer circumferential wall of the supporting base (21) is provided with a through groove (212) communicated with the socket (211), the filter screen (22) comprises a filtering portion (221) inserted in the through groove (212) and a retaining portion (222) connected to one end of the filtering portion (221), and the retaining portion (222) is located inside the socket (211).
3. The sewage treatment device with the replaceable filter screen as claimed in claim 2, wherein the insertion opening (211) is in a circular truncated cone shape, and the anti-dropping portion (222) has a first contact surface (222 a) which contacts with the inner wall of the insertion opening (211).
4. A sewage treatment plant with replaceable filter screen according to claim 3, characterized in that the filter screen frame (20) further comprises a fixing assembly (23) for fixing at least two filter screen frames (20).
5. The sewage treatment device with the replaceable filter screen as claimed in claim 4, wherein the fixing assembly (23) comprises a cover (231) for sealing the insertion opening (211), an insertion rod (232) connected to one end of the cover (231) and formed by extending inwards along the axial direction of the insertion opening (211), and a pressing block (233) sleeved outside the insertion rod (232), and the pressing block (233) can apply force to the anti-falling part (222) on at least two filter screen frames (20).
6. The sewage treatment device with the replaceable filter screen as claimed in claim 5, wherein a locking structure (24) is further arranged between one end of the insertion rod (232) far away from the cover (231) and the end face of the insertion opening (211).
7. The sewage treatment device with the replaceable filter screen as claimed in claim 6, wherein the locking structure (24) comprises a threaded hole (241) formed in one end of the insertion rod (232) and a threaded rod (242) in threaded fit with the threaded hole (241), and one end of the threaded rod (242) is fixed to the socket (211).
8. A device for treating sewage with replaceable filter screens according to any one of claims 1 to 7, wherein the side wall structure (12) comprises two shielding plates (121) arranged up and down, the filter screen opening (13) is formed between the two shielding plates (121), and the first driving means (30) is used for driving the two shielding plates (121) to move towards or away from each other to enlarge or reduce the filter screen opening (13).
9. A device for treating sewage with replaceable filter screen according to any of claims 1 to 7, characterized in that the inside of the treatment chamber (11) is further provided with a flow guiding device (50) for making the sewage entering the treatment chamber (11) flow down onto the filter screen (22).
10. The sewage treatment device with the replaceable filter screen according to claim 9, wherein the flow guide device (50) comprises a flow guide plate (51) abutting against one end of the filter screen (22) and a telescopic component (52) driving the flow guide plate (51) to abut against one end of the filter screen (22) or separate from the filter screen (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210923710.6A CN115138116A (en) | 2022-08-02 | 2022-08-02 | Sewage treatment device with replaceable filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210923710.6A CN115138116A (en) | 2022-08-02 | 2022-08-02 | Sewage treatment device with replaceable filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115138116A true CN115138116A (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210923710.6A Pending CN115138116A (en) | 2022-08-02 | 2022-08-02 | Sewage treatment device with replaceable filter screen |
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| Country | Link |
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| CN (1) | CN115138116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581953A (en) * | 2022-11-04 | 2023-01-10 | 吉安巨联环保科技有限公司 | Energy-saving industrial sewage treatment device and method |
| CN116870577A (en) * | 2023-09-08 | 2023-10-13 | 保定市港兴纸业有限公司 | Clean papermaking raw pulp slag-water separation equipment |
-
2022
- 2022-08-02 CN CN202210923710.6A patent/CN115138116A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581953A (en) * | 2022-11-04 | 2023-01-10 | 吉安巨联环保科技有限公司 | Energy-saving industrial sewage treatment device and method |
| CN116870577A (en) * | 2023-09-08 | 2023-10-13 | 保定市港兴纸业有限公司 | Clean papermaking raw pulp slag-water separation equipment |
| CN116870577B (en) * | 2023-09-08 | 2023-11-24 | 保定市港兴纸业有限公司 | Clean papermaking raw pulp slag-water separation equipment |
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