CN217988512U - Sewage treatment device with replaceable filter screen - Google Patents

Abstract

The utility model 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 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; impurity that is located the filter screen top is by the bottom of upset to the filter screen, and the impurity that part proportion is big can receive gravity directly to drop, and another part jam impurity accessible 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

Sewage treatment device with replaceable filter screen

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment plant of removable 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 the lower being less than 1% and the higher being greater than 10%. 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 and organic matters besides acid and alkali.

The utility model discloses a be used for chemical industry alkaline sewage treatment plant and method in the chinese utility model patent of grant publication No. CN110294547B, including handling case and dispensing case, the bottom fixed mounting of dispensing incasement chamber has agitator motor, agitator motor's single-ended fixedly connected with rabbling mechanism of output, the inner chamber of handling the case runs through there is the filter, and one side of filter through the bottom joint of a piece and handling incasement chamber, when the filter damages or blocks up, when corresponding needs are changed or are dredged, on the one hand, the staff need demolish the filter in the inside of handling the case, dismantle inconveniently, and impurity is located the top surface of filter moreover, handles impurity and consume the plenty of time, and on the other hand, after the filter screen damages, handles the case and can not normally filter sewage, seriously influences filtration efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment plant of removable filter screen aims at solving among the sewage treatment plant among the prior art the filter screen demolishs inconvenient, problem that filtration efficiency is low.

In order to achieve the above purpose, the utility model 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 in 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 make the utility model discloses have the effect of dismantled and assembled filter screen, the utility model discloses a further technical scheme does, the socket has been seted up to the one end of supporting seat, set up the logical groove with the socket intercommunication on the outer periphery of supporting seat, the filter screen is including inserting the filter house of establishing on leading to the groove and connecting the anticreep portion in filter house one end, the anticreep portion is located inside the socket.

The utility model discloses a further technical scheme does, the socket is the round platform form, anticreep portion has the first contact surface with the contact of socket inner wall.

In order to make the utility model discloses have the fixed unstable effect of filter screen frame of preventing, the utility model discloses a further technical scheme does, filter screen frame is still including the fixed subassembly that is used for fixed two at least filter screen frames.

The utility model discloses a further technical scheme does, fixed subassembly is including the closing cap that is used for the shutoff socket, connect in closing cap one end and along the inserted bar and the suit that the socket axial inwards extends the formation at the outside extrusion piece of inserted bar, the extrusion piece can the application of force act on the anticreep portion on two at least screen frame.

The utility model discloses a further technical scheme does, the inserted bar is kept away from and still has locking structure between the terminal surface of the one end of closing cap and socket.

The utility model discloses a further technical scheme does, locking structure including set up in the screw hole of inserted bar one end and with screw hole screw-thread fit's threaded rod, the one end of threaded rod is fixed with the socket.

The utility model discloses a further technical scheme does, the lateral wall structure includes the shielding plate that two distribute from top to bottom, two this filter screen mouth has been formed between the shielding plate, a drive arrangement is used for driving two shielding plate motions in opposite directions or reverse to increase or reduce the filter screen mouth.

The utility model discloses a further technical scheme does, the inside of processing chamber still is equipped with guiding device for make the sewage that gets into in the processing chamber flow on to the filter screen.

The utility model discloses a further technical scheme does, the guiding device includes that the guide plate and the drive guide plate that lean on with filter screen one end counterbalance support and lean on at filter screen one end or break away from the flexible part of filter screen.

The utility model has the advantages that:

1. after the filter screen that is located the treatment cavity inside blocks up or damages, 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 the 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 another part jam is beaten or is made it drop by using dredging tool at the impurity accessible on the filtration pore, 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 structural view of the side wall structure of the present invention in an open state;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic perspective view of the screen frame of the present invention;

fig. 5 is a schematic view of the exploded structure of the screen frame of the present invention;

fig. 6 is a schematic sectional view of the 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 seat;

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 structural view of the filter screen of the present invention in an inclined state;

fig. 11 is a schematic 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 flow guiding device 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 component; 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 threading; 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 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 is provided with an inclined bottom wall, a sewage discharge outlet is formed 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;

a filter screen holder 20, wherein the filter screen holder 20 comprises a cylindrical, rectangular and other shaped support base 21 and at least two filter screens 22 mounted on the support base 21, and one of the filter screens 22 extends into the processing chamber 11 through the filter screen opening 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 net 22 located inside the processing chamber 11 is blocked or damaged, the sidewall structure 12 is driven by the first driving device 30, the filter net opening 13 is enlarged, so as to avoid interference with the sidewall structure 12 when the filter net rack 20 rotates, then the filter net rack 20 is driven by the second driving device 40 to rotate, so that the filter net 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 net 22 are overturned to the bottom of the filter net 22, part of the impurities 60 with large specific gravity can directly fall off by gravity, and the other part of the impurities 60 blocked on the filter holes can be knocked or fall off by using a dredging tool, so that the impurities on the filter net 22 can be conveniently cleaned, the cleaning efficiency is improved, meanwhile, another filter net 22 rotates inside the processing chamber 11, the processing box 10 can still normally filter, the efficiency of the processing box 10 for processing sewage is improved, and finally, the sidewall structure 12 is driven by the first driving device 30 again, so that the filter net 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 is formed on the outer circumferential wall of the support base 21 and is communicated with the insertion opening 211, the filter screen 22 includes a filter portion 221 inserted into the through groove 212 and an anti-drop portion 222 connected to one end of the filter portion 221, and the anti-drop portion 222 is located inside the insertion opening 211 and is used for limiting the filter screen 22 to be directly separated from the support base 21 from the through groove 212.

As shown in fig. 9, the insertion hole 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 insertion hole 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 supporting frame 41, a second reducer 32 mounted on an output shaft of the second motor 31, and a screw 33 connected to an output end of the second 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, and 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 that the two shielding plates 121 can move in opposite directions with the two cylinders, and the two shielding plates 121 can move in opposite directions, respectively, and the two cylinders 121 can move in opposite directions, or the two opposite directions, and the two shielding plates can move, 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 filtering net 22 rotates into the processing chamber 11, a gap 70 is formed between one end of the filtering net and the sidewall of the processing 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 processing chamber 11 for making the sewage entering the processing chamber 11 flow down onto the filtering net 22.

Specifically, the diversion device 50 includes a diversion plate 51 abutting against one end of the filter screen 22 and a telescopic component 52 driving the diversion plate 51 to abut against one end of the filter screen 22 or to be separated from the filter screen 22, the diversion plate 51 includes a sloped diversion part 511 and an abutting part 512 connected to the bottom end of the diversion part 511 and extending downwards, one end of the diversion part 511 is hinged inside the treatment chamber 11 through a pin shaft, the telescopic component 52 is an air cylinder, a hydraulic cylinder or an electric telescopic rod, one end of the telescopic component 52 is hinged on the inner side wall of the treatment chamber 11 through a shaft, the other end is hinged on the lower side of the diversion plate 51, the diversion plate 51 rotates by taking one end thereof as a rotation center through the expansion and contraction of the telescopic component 52, the effect of abutting against one end of the filter screen 22 or phase separation is achieved, when one end of the diversion plate 51 abuts against one end of the filter screen 22, the problem that impurities in part of the sewage are effectively prevented from flowing down from gaps is solved.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood as a specific case by 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);

-first actuating means (30) for actuating the side wall structure (12) to enlarge or reduce the screen opening (13);

and the second driving device (40) drives the screen frame (20) to rotate when the 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 at 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 with 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 filter screen replaceable sewage treatment device according to any one of claims 1 to 7 wherein the inside of the treatment chamber (11) is further provided with a flow guide device (50) for making 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 to be separated from the filter screen (22).

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