CN221107251U - Bag filter of sewage treatment system - Google Patents

Abstract

The utility model discloses a bag filter of a sewage treatment system, which comprises a filtering tank body and a sealing and pressing frame fixedly arranged on the filtering tank body, wherein a middle partition frame is fixedly arranged on the inner side wall of the filtering tank body, a plurality of clamping and releasing grooves are formed in the surface of the middle partition frame, and bag type filtering mechanisms for filtering sewage are arranged in the clamping and releasing grooves in a clamping manner.

Description

Bag filter of sewage treatment system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a bag filter of a sewage treatment system.

Background

The bag filter is multipurpose filtering equipment with novel structure, small volume, simple and flexible operation, energy saving, high efficiency, closed work and strong applicability, and is widely applied in the field of sewage treatment. The current common bag filter mainly comprises a filtering tank body, a tank cover and a bag type filtering mechanism, and when the filter is in operation, sewage flows into the filtering tank body from the top, and after sundries in the sewage are intercepted by the bag type filtering mechanism, the filtered sewage is discharged from a drain pipe at the bottom.

Through searching, the bag filter with the application number of CN202320091860.5 comprises an outer cylinder and a support column, wherein a liquid inlet and a liquid outlet are sequentially arranged at the left side and the bottom of the outer cylinder, a mounting cover is arranged at the top of the outer cylinder through bolt pressing, and a mounting plate is fixedly arranged on the inner wall of the outer cylinder; the conventional type of bag filter described above has the following problems in use:

after filtering, solid suspended matters in the sewage can be left in the filter bag, a filter tank cover is required to be frequently opened by a worker, the suspended matters in the filter bag are cleaned or replaced, the cleaning and replacing frequency is high, and the maintenance cost of the sewage treatment system is increased.

Disclosure of utility model

The utility model aims to provide a bag filter of a sewage treatment system, which aims to solve the problem that the maintenance frequency of the existing bag filter is high in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bag filter of sewage treatment system, includes the filtration jar body and the fixed pressure frame that sets up on the filtration jar body, the fixed septum frame that is provided with in inside wall of filtration jar body, a plurality of clamps are put the groove on the surface of septum frame, the inside block of clamp is provided with the pocket type filter mechanism that is used for carrying out filterable sewage, the fixed intercommunication in middle part of filtration jar body bottom has the mud discharging mechanism that is used for regularly blowdown, the fixed intercommunication in middle part of filtration jar body has the sewage to advance the pipe, the fixed intercommunication in top of filtration jar body one side has the drainage calandria, the top fixed mounting of pressure frame has the automatically controlled push rod, the fixed sealed tank cap that is provided with in bottom of automatically controlled push rod, the inside wall fixed mounting of sealed tank cap has blowback mechanism; the maintenance frequency of the bag filter can be remarkably reduced, the maintenance is more time-saving and labor-saving, and the maintenance cost of the sewage treatment system can be reduced.

Preferably, the bag type filtering mechanism comprises a screen cylinder frame and a clamping cushion ring fixedly arranged at the top end of the screen cylinder frame, a filtering bag body is sleeved on the outer side of the screen cylinder frame, and an elastic lantern ring is fixedly arranged at the top end of the filtering bag body, so that the filtering bag is convenient to clean and replace.

Preferably, the outside rotation of septum frame and card groove junction is provided with compresses tightly the piece, card backing ring and card groove phase-match can improve the stability after the screen cylinder frame is installed, is difficult for becoming flexible.

Preferably, a switch board is fixedly arranged on one side of the sealing and pressing frame, a lifting switch and a timing switch are fixedly arranged on the surface of the switch board, and the electric control push rod is electrically connected with an external power supply through the lifting switch, so that the operation is simple.

Preferably, the mud discharging mechanism comprises a mud discharging barrel and a driving motor fixedly arranged on the mud discharging barrel, a mud discharging auger is fixedly arranged at the output end of the driving motor, a sewage discharging pipe orifice is fixedly communicated with the bottom end of the mud discharging barrel, an electromagnetic mud discharging valve is fixedly arranged in the middle of the sewage discharging pipe orifice, the driving motor and the electromagnetic mud discharging valve are electrically connected with an external power supply through a timing switch, suspended matters intercepted can be deposited at the bottom of the filtering tank body, and the suspended matters are discharged at fixed time by the mud discharging mechanism, so that the mud discharging mechanism is more labor-saving.

Preferably, the blowback mechanism includes annular pipe and the intake pipe of fixed intercommunication on annular pipe top, the sealed can lid is extended on the top of intake pipe, fixed mounting has electromagnetic valve in the intake pipe, the bottom fixed intercommunication of annular pipe has a plurality of blowback straight tubes, electromagnetic valve passes through time switch and external power supply electric connection, can regularly clear up the suspended solid on filter bag surface automatically, improves filterable smoothness nature and high efficiency.

Preferably, the periphery on the top end of the filtering tank body is rotatably provided with a plurality of hanging basket bolts, the periphery on the bottom end of the sealing tank cover is provided with a plurality of buckling pressing grooves, and the buckling pressing grooves and the hanging basket bolts are arranged in a one-to-one opposite mode, so that the overall tightness of the sealed filter can be improved.

Compared with the prior art, the utility model has the beneficial effects that: this bag filter adopts the mode of below water inflow top water outlet, realizes the filtration purification to sewage, and the suspended solid that intercepts can deposit the bottom of filtering jar body to regularly discharge by mud discharging mechanism, increase simultaneously and be equipped with blowback mechanism, can blow from the filter bag inboard regularly, shake through the air current and fall the suspended solid that is stained with and attach at the filter bag surface, need not the debris in the clearance filter bag of manual removal, can show the maintenance frequency that reduces bag filter, maintenance labour saving and time saving more, can reduce sewage treatment system's maintenance cost.

Drawings

FIG. 1 is a schematic view of the structure of a bag filter of the present utility model;

FIG. 2 is a front cross-sectional view of a bag filter of the present utility model;

FIG. 3 is a schematic diagram of a bag filter mechanism of the present utility model;

FIG. 4 is a schematic view of the back-blowing mechanism of the present utility model;

Fig. 5 is a front cross-sectional view of the mud discharging mechanism of the present utility model.

In the figure: 1. a filtering tank body; 2. sealing the can lid; 3. a mud discharging mechanism; 31. a mud discharging cylinder; 32. a driving motor; 33. a mud discharging auger; 34. a sewage pipe orifice; 35. an electromagnetic sludge discharge valve; 4. a sewage inlet pipe; 5. a drainage pipe; 6. a back-blowing mechanism; 61. an annular tube; 62. an air inlet pipe; 63. an electromagnetic air valve; 64. back blowing a straight pipe; 7. a hanging basket bolt; 8. a switch board; 9. sealing and pressing frames; 10. an electric control push rod; 11. pressing the buckling groove; 12. a bag filter mechanism; 121. a screen drum frame; 122. a clamping backing ring; 123. an elastic collar; 124. a filter bag body; 13. a septum shelf; 14. a clamping groove; 15. and a pressing member.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model provides a bag filter of a sewage treatment system, which comprises a filtering tank body 1 and a sealing and pressing frame 9 fixedly arranged on the filtering tank body 1, wherein a middle partition frame 13 is fixedly arranged on the inner side wall of the filtering tank body 1, a plurality of clamping and placing grooves 14 are formed in the surface of the middle partition frame 13, a bag type filtering mechanism 12 for filtering sewage is arranged in the clamping and placing grooves 14 in a clamping manner, a mud discharging mechanism 3 for timing sewage discharge is fixedly communicated with the middle part of the bottom end of the filtering tank body 1, a sewage inlet pipe 4 is fixedly communicated with the middle part of the filtering tank body 1, a water filtering calandria 5 is fixedly communicated with the top of one side of the filtering tank body 1, an electric control push rod 10 is fixedly arranged at the top end of the sealing and pressing frame 9, a sealing tank cover 2 is fixedly arranged at the bottom end of the electric control push rod 10, a back blowing mechanism 6 is fixedly arranged on the inner side wall of the sealing and pressing frame 9, a switch plate 8 is fixedly arranged on one side of the surface of the switch plate 8, a lifting switch and a timing switch are fixedly arranged on the surface of the switch, and the electric control push rod 10 is electrically connected with an external power supply through the lifting switch;

When the sewage treatment device is used, a sewage raw water pipe is communicated with the sewage inlet pipe 4, the back flushing mechanism 6 is connected to external air blowing equipment, in the working process, sewage flows into the filtering tank body 1 from the sewage inlet pipe 4, under the action of water pressure, the sewage subjected to permeation filtration by the bag type filtering mechanism 12 is directly discharged through the water filtering calandria 5, suspended impurities in the sewage are left on the surface of the bag type filtering mechanism 12 or settled to the bottom of the filtering tank body 1, the mud discharging mechanism 3 works at regular time, sediment at the bottom of the filtering tank body 1 is cleaned, and the filtering smoothness and the high efficiency of the filter are ensured.

Referring to fig. 2 and 3, further, the bag-type filtering mechanism 12 includes a screen cylinder frame 121 and a clamping ring 122 fixedly arranged at the top end of the screen cylinder frame 121, a filter bag body 124 is sleeved at the outer side of the screen cylinder frame 121, an elastic collar 123 is fixedly arranged at the top end of the filter bag body 124, a pressing piece 15 is rotatably arranged at the outer side of the joint of the middle partition frame 13 and the clamping groove 14, and the clamping ring 122 is matched with the clamping groove 14;

during use, when sewage is filtered, firstly, the sewage is intercepted by the filter bag 124, then the filtered sewage enters the screen cylinder frame 121, rises along the screen cylinder frame 121 under the action of water pressure, enters the upper part of the middle partition frame 13, finally, is discharged out of the tank body, a worker only needs to open the sealed tank cover 2 regularly, rotates the pressing piece 15, can withdraw the screen cylinder frame 121 from the clamping groove 14, then takes down the filter bag 124 to clean or replace the filter bag, and inserts back into the clamping groove 14 again, and rotates the pressing piece 15 to press the clamping ring 122, thereby facilitating cleaning and maintenance of the filtering mechanism.

Referring to fig. 1, 2 and 5, further, the sludge discharging mechanism 3 includes a sludge discharging drum 31 and a driving motor 32 fixedly installed on the sludge discharging drum 31, an output end of the driving motor 32 is fixedly provided with a sludge discharging auger 33, a bottom end of the sludge discharging drum 31 is fixedly communicated with a sludge discharging pipe orifice 34, an electromagnetic sludge discharging valve 35 is fixedly installed in the middle of the sludge discharging pipe orifice 34, and the driving motor 32 and the electromagnetic sludge discharging valve 35 are electrically connected with an external power supply through a timing switch;

When the sewage sludge cleaning device is used, settled suspended matters can sink into the sludge discharge barrel 31, the electromagnetic sludge discharge valve 35 is opened at fixed time, meanwhile, the driving motor 32 works to drive the sludge discharge auger 33 to rotate, push the sediment to move along the sludge discharge barrel 31, and finally, the sediment is discharged through the sewage pipe orifice 34, so that the sewage sludge cleaning device can automatically clean the sewage sediment.

Referring to fig. 1, 2 and 4, further, the blowback mechanism 6 includes an annular pipe 61 and an air inlet pipe 62 fixedly connected to the top end of the annular pipe 61, the top end of the air inlet pipe 62 extends out of the sealed can cover 2, an electromagnetic air valve 63 is fixedly installed on the air inlet pipe 62, the bottom end of the annular pipe 61 is fixedly connected with a plurality of blowback straight pipes 64, and the electromagnetic air valve 63 is electrically connected with an external power supply through a timing switch;

When the electromagnetic air valve 63 is used, the electromagnetic air valve 63 is opened at regular time, air of the air blowing equipment enters the annular pipe 61 through the air inlet pipe 62 and then enters the blowback straight pipes 64, each blowback straight pipe 64 is inserted into the corresponding screen cylinder frame 121 respectively, air bubbles can be generated after the air enters sewage, water waves generated by frequent breaking of the air bubbles can impact the filter bag body 124, suspended matters attached to the surface of the filter bag body 124 are shaken off, cleaning is automatically performed, filtering smoothness is ensured, and maintenance frequency of workers can be reduced.

Referring to fig. 1, further, a plurality of hanging basket bolts 7 are rotatably arranged at the periphery of the top end of the filtering tank body 1, a plurality of buckling pressing grooves 11 are formed at the periphery of the bottom end of the sealing tank cover 2, and the buckling pressing grooves 11 are arranged opposite to the hanging basket bolts 7 one by one;

When the sealed tank cover 2 is opened, the hanging basket bolts 7 are firstly unscrewed and turned down in sequence, then the sealed tank cover 2 is integrally lifted up through the lifting switch, and when the sealed tank cover is closed, the hanging basket bolts 7 are clamped on the pressing buckling grooves 11, so that the tightness of the filtering tank body 1 is improved.

When the embodiment of the application is used, the following steps are adopted: the mode of water outlet above the lower water inlet is adopted to realize filtration and purification of sewage, suspended matters intercepted can be deposited at the bottom of the filtration tank body 1 and are discharged by the sludge discharging mechanism 3 at regular time, so that the maintenance frequency of the bag filter can be remarkably reduced, and the maintenance cost of sewage treatment can be reduced.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a sewage treatment system's bag filter, includes filtration jar body (1) and fixed pressure frame (9) that set up on filtration jar body (1), its characterized in that: the inner side wall of the filtering tank body (1) is fixedly provided with a middle partition frame (13), the surface of the middle partition frame (13) is provided with a plurality of clamping grooves (14), the inner part of the clamping grooves (14) is clamped with a bag type filtering mechanism (12) for filtering sewage, the middle part of the bottom end of the filtering tank body (1) is fixedly communicated with a mud discharging mechanism (3) for timing sewage discharge, the sewage filtering device is characterized in that a sewage inlet pipe (4) is fixedly communicated with the middle of the filtering tank body (1), a drainage calandria (5) is fixedly communicated with the top of one side of the filtering tank body (1), an electric control push rod (10) is fixedly arranged at the top end of a sealing frame (9), a sealing tank cover (2) is fixedly arranged at the bottom end of the electric control push rod (10), and a blowback mechanism (6) is fixedly arranged on the inner side wall of the sealing tank cover (2).

2. A bag filter for a sewage treatment system according to claim 1, wherein: the bag type filtering mechanism (12) comprises a screen cylinder frame (121) and a clamping cushion ring (122) fixedly arranged at the top end of the screen cylinder frame (121), a filtering bag body (124) is sleeved on the outer side of the screen cylinder frame (121), and an elastic collar (123) is fixedly arranged at the top end of the filtering bag body (124).

3. A bag filter for a sewage treatment system according to claim 2, wherein: the outside rotation of septum frame (13) and card groove (14) junction is provided with compresses tightly piece (15), card backing ring (122) and card groove (14) phase-match.

4. A bag filter for a sewage treatment system according to claim 1, wherein: one side of the sealing and pressing frame (9) is fixedly provided with a switch board (8), the surface of the switch board (8) is fixedly provided with a lifting switch and a timing switch, and the electric control push rod (10) is electrically connected with an external power supply through the lifting switch.

5. The bag filter of a wastewater treatment system of claim 4, wherein: the mud discharging mechanism (3) comprises a mud discharging barrel (31) and a driving motor (32) fixedly arranged on the mud discharging barrel (31), a mud discharging auger (33) is fixedly arranged at the output end of the driving motor (32), a sewage discharging pipe orifice (34) is fixedly communicated with the bottom end of the mud discharging barrel (31), an electromagnetic mud discharging valve (35) is fixedly arranged in the middle of the sewage discharging pipe orifice (34), and the driving motor (32) and the electromagnetic mud discharging valve (35) are electrically connected with an external power supply through a timing switch.

6. The bag filter of a wastewater treatment system of claim 4, wherein: the back-blowing mechanism (6) comprises an annular pipe (61) and an air inlet pipe (62) fixedly communicated with the top end of the annular pipe (61), a sealing tank cover (2) is extended from the top end of the air inlet pipe (62), an electromagnetic air valve (63) is fixedly installed on the air inlet pipe (62), a plurality of back-blowing straight pipes (64) are fixedly communicated with the bottom end of the annular pipe (61), and the electromagnetic air valve (63) is electrically connected with an external power supply through a timing switch.

7. A bag filter for a sewage treatment system according to claim 1, wherein: the periphery rotation on filtration jar body (1) top is provided with a plurality of hanging flower basket bolts (7), a plurality of pressure catching grooves (11) have been seted up to the periphery of sealed pot cover (2) bottom, pressure catching grooves (11) are just set up with hanging flower basket bolts (7) one by one.