CN220684910U - Biological stuffing box for sewage treatment - Google Patents

Abstract

The utility model discloses a biological stuffing box for sewage treatment, which comprises: the device comprises a box body, a first partition board, a second partition board, a filter layer and a filler component; the inside equidistant and vertical fixed multiunit drainage spare that is provided with of box can become a plurality of filter chambers with its internal partition, every filter chamber is all fixed to be provided with the elastic filter layer horizontally, every filter chamber that is located the filter layer top is all horizontally provided with the filler subassembly, every drainage spare of group all includes interval setting and forms baffle room's baffle and No. two baffles with the lateral wall of box jointly, this sewage treatment's biological stuffing box has been overcome in the sewage treatment process in prior art, other solid particles such as most mud have been intercepted by the filler, and the filler is blocked by mud or other granule impurity easily like this, reduce the filter effect of filter screen, also can be because of the filler is blocked and frequent change filler, when changing, sewage can not continue to handle, sewage treatment efficiency's problem has been reduced.

Description

Biological stuffing box for sewage treatment

Technical Field

The utility model relates to the field of sewage treatment, in particular to a biological stuffing box for sewage treatment.

Background

Biological filler is mainly applied to sewage treatment, and in sewage treatment and sludge treatment systems, biological deodorization is a widely used deodorization process, and the process mainly uses the metabolism of microorganisms to perform deodorization, and according to different forms, the biological filler is in a filter tank form and also in a tower form. Except for different structural forms, the biological deodorization process mainly has the difference of treatment effects caused by different fillers, and the biological stuffing box restricts the storage of the fillers, so that the impurities of water quality can be conveniently treated.

The Chinese patent application number is CN201921455661.8, and discloses a stuffing box for MBBR sewage treatment, wherein a screw pipe is arranged in the inner box, then a screw rod is connected to the output shaft end of a positive and negative motor, the screw rod penetrates through the screw pipe to be arranged, then a sliding rail is arranged on the inner wall of the box body, a sliding block is arranged on the outer wall of the inner box, and the screw rod can be driven to rotate through the working of the positive and negative motor, so that the screw rod can be driven to move up and down through threads by the rotation of the screw rod, and the MBBR stuffing in the inner box is conveniently promoted to carry out sewage treatment; through setting up the expansion bracket to make the expansion bracket pass through the connecting rod to fix the below of inner box, can reciprocate through the inner box and drive the expansion bracket and reciprocate, and be provided with the filter screen on the second link of expansion bracket, can play the filter effect to sewage, simultaneously, the second link reciprocates, can drive the filter screen and reciprocate, can promote sewage filtration work.

The inventors have found that the following problems exist with the prior art in the practice of the present utility model:

in the prior art, sewage directly enters an inner box through a water inlet at the top end of the inner box, is treated by MBBR filler, and is filtered again through a filter screen. And because the sewage contains sludge or other particle impurities, most of other solid particles such as sludge and the like are blocked by the MBBR filler in the sewage treatment process, and the filler is easily blocked by the sludge or other particle impurities, so that the filtering effect of the filter screen is reduced, and the filler can be frequently replaced due to the blocking of the filler.

Therefore, the utility model provides a biological stuffing box for sewage treatment, which realizes multistage filtration and purification of sewage through a plurality of filter layers in a use process, and can prevent a stuffing assembly from being blocked by silt or solid particles after the sewage is filtered by the filter layers and is purified by stuffing, so that the service cycle of the stuffing assembly is prolonged, the multistage filtration and purification of the sewage are realized, the sewage filtration effect and the purification effect are improved, the normal treatment of the sewage can not be affected when any filter layer or stuffing assembly is maintained, and the sewage treatment efficiency is improved.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to solve the problems that in the prior art, in the sewage treatment process, most of other solid particles such as sludge are blocked by MBBR fillers, the fillers are easily blocked by sludge or other particle impurities, the filtering effect of a filter screen is reduced, the fillers are required to be frequently replaced due to the blocking of the fillers, and when the fillers are replaced, sewage cannot be continuously treated, and the sewage treatment efficiency is reduced.

In order to achieve the above object, the present utility model provides a bio-stuffing box for sewage treatment, comprising: the device comprises a box body, a first partition board, a second partition board, a filter layer and a filler component;

the inside equidistant and vertical fixed multiunit drainage spare that is provided with of box up can become a plurality of filter chambers with its internal partition, every filter chamber is all fixed to be provided with the elastic filter layer horizontally, is located every filter chamber of filter layer top is all horizontal and detachably is provided with the packing subassembly, is located the both sides of box just be located the below of filter layer with two of packing subassembly top correspond the fixed inlet tube and the drain pipe that are linked together rather than inside in the filter chamber respectively, every drainage spare of group all includes the interval setting and with the lateral wall of box forms baffle and No. two baffles of drainage chamber jointly, every No. two baffles's bottom all horizontal run through be provided with the outlet pipe that is linked together drainage chamber and its adjacent filter chamber.

Preferably, each of said packing assemblies comprises: the storage box body is characterized by comprising a plurality of biological fillers and a storage box body for containing the plurality of biological fillers, wherein the upper side and the lower side of the storage box body are both of a spring net structure, and the meshes of the spring net are smaller than the diameter of each biological filler.

Preferably, the two sides of each filtering chamber above the filtering layer are horizontally and fixedly provided with a supporting plate for supporting the filler assembly.

Preferably, the bio-stuffing box further comprises an anti-blocking assembly for shaking each of the filter layers to shake off solid particles clogged in the meshes of the filter layer to prevent clogging, the anti-blocking assembly comprising: the device comprises a guide cylinder, a rubber plug and a traction rope; wherein,

every filter chamber that is located the filter layer below is equal horizontal fixed and is provided with one end and be open direction barrel, and horizontal and sealed being provided with in its inner chamber can follow its chamber round trip movement's rubber buffer, haulage rope's one end follow the open entering of direction barrel is fixed the setting is in on the rubber buffer, its other end is fixed on the filter layer.

Preferably, the inside of the box body at the front side of the opening of each guide cylinder is vertically and rotatably provided with a reversing wheel capable of changing the moving direction of the traction rope, and each traction rope bypasses the corresponding reversing wheel and is fixed on the rubber plug.

Preferably, the bio-stuffing box further comprises a linkage assembly for driving all the rubber plugs to reciprocate along the inner cavities of the guide cylinders corresponding to the rubber plugs, and the linkage assembly comprises: the device comprises a linkage shaft, an incomplete gear, a linkage rack plate, a linkage rod and a return spring; wherein,

every the direction barrel all level runs through fixedly to be in on the lateral wall of box, every the equal part of one end of direction barrel extends to the correspondence in the filter chamber, its other end is followed the lateral wall of box wears out, is located the equal level of lateral wall of box of every direction barrel front side sets up and is provided with the linkage rack board movably, is located on the linkage rack board the horizontal and rotationally be provided with the universal driving shaft on the box of link rack board top, its axle on equidistant fixed a plurality of incomplete gears that are provided with all the linkage rack board one-to-one and meshing are connected, every the equal horizontal fixed linkage rod that is provided with of tip of linkage rack board, the other end of linkage rod all follows the tip of direction barrel stretches into its inside and fixes on the rubber piston, every all overlaps on the linkage rod and is equipped with reset spring, and every reset spring's both ends all are fixed respectively and are set up the direction barrel with on the linkage rack board.

Preferably, one end of the linkage shaft is coaxially connected with a motor horizontally and fixedly arranged on the side wall of the box body through a coupler.

Preferably, the side walls of the box body below each linkage rack plate are horizontally and fixedly provided with guide rails matched with the side walls, the bottom part of each linkage rack plate is inwards recessed to form a guide chute matched with the guide rail, and the linkage rack plate is slidably assembled on the guide rail through the guide chute.

Preferably, a sedimentation tank communicated with the filter chamber is vertically and fixedly arranged below each filter chamber, a sludge inlet pipe and a sludge outlet pipe which are communicated with the inside of the sedimentation tank are vertically and fixedly arranged at the upper end and the lower end of the sedimentation tank respectively, the top of the sludge inlet pipe is communicated with the inside of the corresponding filter chamber, and a first switch valve and a second switch valve are fixedly arranged at the sludge inlet pipe and the sludge outlet pipe respectively.

According to the technical scheme, the biological stuffing box for sewage treatment has the beneficial effects that: when the filter box is used, the plurality of filter chambers in the box body can be sequentially called a first filter chamber and a second filter chamber from left to right. The sewage is injected into a first filtering chamber in the box body through the water inlet pipe, the liquid level of the sewage in the first filtering chamber gradually rises, in the rising process, the sewage passes through the filtering layer, impurities such as sludge in the sewage are filtered and deposited at the bottom of the first filtering chamber under the action of self gravity, the filtered sewage passes through the filler assembly above the filtering layer along with the rising of the liquid level, the sewage is purified through the filler assembly, the sewage gradually rises along with the liquid level of the sewage, the sewage flows into the adjacent first baffle top of the first filtering chamber, flows into the adjacent second filtering chamber through the filtering layer in the first baffle top of the first filtering chamber, is filtered again through the impurities such as sludge in the sewage in the second filtering chamber, the filtered impurities such as sludge are deposited on the bottom of the second filtering chamber under the action of self gravity, the impurities flow into the adjacent first baffle top of the sewage into the adjacent first filtering chamber, flow into the drainage chamber along with the rising of the sewage liquid level, flow into the adjacent first baffle top of the drainage chamber, flow into the adjacent third filtering chamber through the drainage chamber, flow into the adjacent second filtering chamber, flow out of the filter chamber, and the filter chamber from the filter chamber, and the filter chamber sequentially flow out of the filter chamber sequentially.

Therefore, in the process of entering and discharging sewage from the box body, the sewage flows into a plurality of filtering chambers one by one, is filtered by the filtering layer of each filtering chamber and is purified by the filler component, so that the filler component is prevented from being blocked by sludge or solid particles, the service period of the filler component is prolonged, the sewage is subjected to multi-stage filtration and purification, and the sewage filtering effect and the purifying effect are improved; in addition, the staff can continue to filter and purify sewage in the process of maintaining or replacing the filter layer and the filler component of any filter chamber, so that the sewage treatment efficiency is improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows; and none of the utility models are related to the same or are capable of being practiced in the prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view of a bio-stuffing box for sewage treatment according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a bio-stuffing box for sewage treatment according to a preferred embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a bio-stuffing box for sewage treatment according to a preferred embodiment of the present utility model;

FIG. 4 is a schematic structural view of a linkage mechanism of a bio-stuffing box for sewage treatment provided in a preferred embodiment of the present utility model;

fig. 5 is a schematic structural view of a shaking assembly of a bio-stuffing box for sewage treatment provided in a preferred embodiment of the present utility model.

Description of the reference numerals

1. A case; 2. a water inlet pipe; 3. a drain pipe; 4. a first partition board; 5. a second separator; 6. a water outlet pipe; 7. a filter layer; 8. a filler assembly; 9. an anti-blocking assembly; 901. a guide cylinder; 902. a rubber stopper; 903. a traction rope; 10. a precipitation tank; 11. a first switch valve; 12. a second switch valve; 13. a reversing wheel; 14. a linkage assembly; 1401. a linkage shaft; 1402. an incomplete gear; 1403. linkage rack plate; 1404. a linkage rod; 1405. a return spring; 15. a support plate; 16. a slide rail.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 5, the present utility model provides a bio-stuffing box for sewage treatment, comprising: the device comprises a box body 1, a first partition board 4, a second partition board 5, a filter layer 7 and a filler component 8;

the inside equidistant and vertical fixed multiunit drainage spare that is provided with of uncovered up box 1 can become a plurality of filter chambers with its internal partition, every filter chamber is equal horizontal fixed and is provided with elastic filter layer 7, is located every filter chamber of filter layer 7 top is equal horizontal and detachably is provided with filler subassembly 8, is located the both sides of box 1 just be located filter layer 7's below with two of filler subassembly 8 top correspond respectively horizontal fixed inlet tube 2 and the drain pipe 3 that are linked together with its inside in the filter chamber, every drainage spare of group all include the interval setting and with the lateral wall of box 1 forms the baffle 4 and No. two baffles 5 of drainage chamber jointly, every No. two baffles 5's bottom all horizontal run through be provided with the outlet pipe 6 that is linked together the filter chamber and its adjacent filter chamber.

In the above-mentioned scheme, the filter layer 7 may be a filter cloth made of medical gauze, or may be a spring net.

In the above-described aspect, as shown in fig. 2, the plurality of filter chambers in the case 1 may be sequentially referred to as a first filter chamber and a second filter chamber from left to right.

The sewage is injected into the first filtering chamber in the box body 1 through the water inlet pipe 2, the liquid level of the sewage in the first filtering chamber gradually rises, in the rising process, the sewage passes through the filtering layer 7, impurities such as sludge in the sewage are filtered and deposited at the bottom of the first filtering chamber under the action of self gravity, the filtered sewage passes through the filler assembly 8 above the filtering layer 7 along with the rising of the liquid level, the sewage is purified through the filler of the filler assembly 8, the sewage gradually rises along with the liquid level of the sewage, the sewage flows into the adjacent drainage chamber from the top of the first partition plate 4 and enters the adjacent second filtering chamber through the water outlet pipe 6 of the drainage chamber, the filtered impurities such as sludge in the sewage are deposited at the bottom of the second filtering chamber under the action of self gravity, the filtered impurities such as sludge uniformly rise along with the gradual rising of the liquid level, the sewage flows into the adjacent filtering chamber from the top of the first partition plate 4, flows into the adjacent drainage chamber 6 of the second filtering chamber, and finally flows out of the third filtering chamber through the adjacent drainage chamber 8, and finally flows out of the water outlet pipe 8 from the first partition plate 4 into the adjacent drainage chamber, and finally flows into the filter chamber through the third filtering chamber 8.

Therefore, in the process of entering and discharging sewage from the box body 1, the sewage flows into a plurality of filtering chambers one by one, is filtered by the filtering layer 7 of each filtering chamber and is purified by the filler component 8, so that the filler component is prevented from being blocked by sludge or solid particles, the service period of the filler component is prolonged, the sewage is subjected to multi-stage filtration and purification, and the sewage filtering effect and the purification effect are improved; in addition, the staff can continue to filter and purify the sewage in the process of maintaining or replacing the filter layer 7 and the filler component 8 of any filter chamber, so that the sewage treatment efficiency is improved.

In a preferred embodiment of the utility model, each of said packing assemblies 8 comprises: the storage box body is characterized by comprising a plurality of biological fillers and a storage box body for containing the plurality of biological fillers, wherein the upper side and the lower side of the storage box body are both of a spring net structure, and the meshes of the spring net are smaller than the diameter of each biological filler.

In a preferred embodiment of the utility model, support plates 15 for supporting the filler assembly 8 are horizontally and fixedly arranged on both sides of each filter chamber above the filter layer 7.

In the above scheme, the gravity of the storage box body is greater than the buoyancy of the sewage.

In the above scheme, the storage box body containing biological filler is horizontally placed on the supporting plate 15, and in the process of replacing biological filler, the filler assemblies 8 placed on the two supporting plates 15 can be directly taken away, and then the new filler assemblies 8 are horizontally placed on the two supporting plates 15, so that the operation is very convenient.

In the above scheme, the feed port has been seted up to one side of storing the box body, and is provided with the sealing door that can cover on this feed port on the detachable.

In a preferred embodiment of the utility model, the bio-stuffing box further comprises an anti-blocking assembly 9 for shaking each of said filter layers 7 to shake off solid particles clogged in the meshes of said filter layer 7 for blocking, said anti-blocking assembly 9 comprising: a guide cylinder 901, a rubber stopper 902, and a traction rope 903; wherein,

each filtering chamber below the filtering layer 7 is horizontally and fixedly provided with a guiding cylinder 901 with one end being open, a rubber plug 902 capable of moving back and forth along the cavity is horizontally and hermetically arranged in the inner cavity of the filtering chamber, one end of the haulage rope 903 enters from the opening of the guiding cylinder 901 and is fixedly arranged on the rubber plug 902, and the other end of the haulage rope 903 is fixed on the filtering layer 7.

In the above-mentioned scheme, during the use, through moving the rubber buffer 902 in the direction barrel 901 pulls haulage rope 903 along certain horizontal direction in order to drag filter layer 7 and take place deformation downwards, then reverse removal the rubber buffer 902 makes filter layer 7 lose the traction of haulage rope 903 to resume the initial state in-process and shake, so with silt or other granule in the mesh of filter layer 7 shake off, consequently, the back and forth movement is repeated the rubber buffer 902 makes filter layer 7 takes place and resumes the in-process of deformation and produce the shake, so that will block up in filter layer 7 mesh of silt etc. solid granule shakes down, in order to prevent filter layer 7 takes place the jam phenomenon, thereby can avoid the staff to clear up at regular time filter layer 7, labour saving and time saving, sustainable use.

The rubber plug 902 is in the process of reciprocating movement in the guide cylinder 901, under the elastic action of the rubber plug, the rubber plug can be always attached to the inner wall of the guide cylinder 901 in the moving process, so that the rubber plug can be always sealed with the guide cylinder 901 in the moving process, and sewage can be effectively prevented from flowing out of the guide cylinder 901 and the box body 1 in the sewage treatment process.

In a preferred embodiment of the present utility model, the inside of the case 1 at the open front side of each of the guide cylinders 901 is vertically and rotatably provided with a diverting wheel 13 capable of changing the moving direction of the pulling ropes 903, and each of the pulling ropes 903 is wound around the corresponding diverting wheel 13 and fixed to the rubber stopper 902.

In the above-mentioned aspect, the direction of movement of the hauling cable 903 may be changed by the reversing wheel 13, so that the rubber plug 902 may be moved in a certain direction in the guide cylinder 901, and the hauling cable 903 may be pulled horizontally to cause the filter layer 7 to be pulled downward to deform.

In a preferred embodiment of the present utility model, the bio-stuffing box further comprises a linkage assembly 14 for driving all the rubber stoppers 902 to reciprocate along the corresponding guide cylinder 901, and the linkage assembly 14 comprises: a linkage shaft 1401, an incomplete gear 1402, a linkage rack plate 1403, a linkage rod 1404, and a return spring 1405; wherein,

each guide cylinder 901 is horizontally and fixedly arranged on the side wall of the box body 1 in a penetrating manner, one end of each guide cylinder 901 is partially extended into the corresponding filtering chamber, the other end of each guide cylinder 901 penetrates out of the corresponding filtering chamber, the side wall of the box body 1, which is positioned at the front side of each guide cylinder 901, is horizontally provided with a linkage rack plate 1403, the side wall of the box body 1, which is positioned above the linkage rack plate 1403, is horizontally and rotatably provided with a linkage shaft 1401, a plurality of incomplete gears 1402 which are in one-to-one correspondence with all the linkage rack plates 1403 and are in meshed connection are fixedly arranged on the shaft at equal intervals, a linkage rod 1404 is horizontally and fixedly arranged at the end of each linkage rack plate 1403, the other end of each linkage rod 1404 extends into the guide cylinder 901 and is fixedly arranged on the rubber plug 902, each linkage rod 1405 is sleeved with a reset spring 1405, and two ends of each reset spring 1405 are fixedly arranged on the guide cylinder body and the linkage rack plate 901 respectively.

In the above-mentioned scheme, during the use, through driving the gangbar 1404 to rotate, and its pivoted in-process drives all incomplete gear 1402 on its axis rotates, and all the in-process that incomplete gear 1402 is in the pivoted, when its on the periphery partial rack with the corresponding in-process of ganging rack 1403 meshing connection, drive the ganging rack 1403 move in the horizontal direction and pull the ganging bar 1404 in order to drive the rubber stopper 902 along certain direction horizontal movement in direction cylinder 901, and through pulling haulage rope 903 so that filter layer 7 takes place the in the process of deformation downwards, simultaneously, reset spring 1405 is in the tensile state, and when partial rack on the periphery of incomplete gear 1402 with to the in-process of ganging rack 1403 drop meshing of correspondence, the ganging rack 1403 is under the effort of reset spring 1405, and the reverse movement is pushed to make the rubber stopper 902 reverse movement in direction in the cylinder of direction 901 this moment, so that filter layer 7 is by pulling haulage rope 903 so that filter layer 7 takes place the deformation in order to take place in the course, and at the time, reset spring 1405 is in the tensile state, and in order to realize the periodic cleaning of filter layer 7 has been realized, and the personnel's that can avoid the manual shaking phenomenon has taken place, and the personnel to take place in order to clean the time.

In a preferred embodiment of the present utility model, one end of the linkage shaft 1401 is coaxially connected to a motor horizontally and fixedly provided on a side wall of the case 1 through a coupling.

In the above scheme, the motor is driven to drive the universal driving shaft 1401 to rotate, so that the anti-blocking assembly 14 is started to automatically clean all the filter layers 7 to avoid blocking.

In a preferred embodiment of the present utility model, guide rails 16 adapted to each of the interlocking rack plates 1403 are horizontally and fixedly provided on the side walls of the case 1 below each of the interlocking rack plates 1403, and the bottom portion of each of the interlocking rack plates 1403 is recessed inward to form a guide chute adapted to the guide rails 16, through which the interlocking rack plates 1403 are slidably fitted on the guide rails 16.

In the above-described scheme, by the cooperative use of the guide rail 16 and the guide runner of the linked rack plate 1403, it is possible to ensure that each of the linked rack plates 1403 moves smoothly and reliably along the horizontal straight line of the guide rail 16.

In a preferred embodiment of the present utility model, a settling tank 10 is vertically and fixedly disposed below each filtering chamber, a sludge inlet pipe and a sludge outlet pipe are vertically and fixedly disposed at the upper and lower ends of the settling tank 10, respectively, and the top of the sludge inlet pipe is communicated with the interior of the corresponding filtering chamber, and a first switch valve 11 and a second switch valve 12 are fixedly disposed at the sludge inlet pipe and the sludge outlet pipe, respectively.

In the above scheme, when in use, the first switch valve 11 is opened to enable the precipitation tank 10 to be communicated with the corresponding filter chamber through the sludge inlet pipe, and the second switch valve 11 is closed, when sewage enters each filter chamber and is intercepted by the filter layer 7, solid particles such as sludge are intercepted, and the solid particles such as sludge are deposited in the precipitation tank 10 under the action of self gravity. When the sludge in the settling tank 10 is deposited to a certain extent or is full, the first switch valve 11 is closed at this time, so that the settling tank 10 is isolated from the filtering chamber, and normal use of the whole device is not affected in the process of cleaning the sludge in the settling tank 10 by staff.

In summary, the biological stuffing box for sewage treatment provided by the utility model overcomes the problems that in the sewage treatment process in the prior art, most of other solid particles such as sludge are blocked by MBBR stuffing, the stuffing is easily blocked by sludge or other particle impurities, the filtering effect of a filter screen is reduced, the stuffing needs to be frequently replaced due to the blocking of the stuffing, and sewage cannot be continuously treated during replacement, so that the sewage treatment effect is reduced.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (9)

1. A bio-stuffing box for sewage treatment, characterized in that the bio-stuffing box for sewage treatment comprises: the device comprises a box body (1), a first partition board (4), a second partition board (5), a filter layer (7) and a filler component (8);

the utility model provides an open up inside equidistant and vertical fixed multiunit drainage spare that can become a plurality of filter chambers with its internal partition of box (1), every filter chamber is equal horizontal fixed to be provided with elastic filter layer (7), is located every filter chamber of filter layer (7) top is equal horizontal and detachably is provided with filler subassembly (8), both sides and being located of box (1) the below of filter layer (7) with two of filler subassembly (8) top correspond respectively horizontal fixed inlet tube (2) and drain pipe (3) that are linked together rather than inside in the filter chamber, every drainage spare of group all including the interval set up and with the lateral wall of box (1) forms baffle (4) and baffle (5) No. two jointly, every the bottom of baffle (5) No. two all levels run through and are provided with outlet pipe (6) that are linked together drainage chamber and adjacent filter chamber.

2. A bio-stuffing box for sewage treatment according to claim 1, characterized in that each of said stuffing assemblies (8) comprises: the storage box body is characterized by comprising a plurality of biological fillers and a storage box body for containing the plurality of biological fillers, wherein the upper side and the lower side of the storage box body are both of a spring net structure, and the meshes of the spring net are smaller than the diameter of each biological filler.

3. A bio-stuffing box according to claim 2, characterized in that a support plate (15) for supporting the stuffing assembly (8) is fixedly arranged horizontally on both sides of each filter chamber above the filter layer (7).

4. A bio-stuffing box for sewage treatment according to claim 1, further comprising an anti-blocking assembly (9) for shaking each of said filter layers (7) to shake off solid particles clogged in the meshes of said filter layer (7) to prevent clogging, said anti-blocking assembly (9) comprising: a guide cylinder (901), a rubber plug (902) and a traction rope (903); wherein,

every filter chamber that is located filter layer (7) below is equal horizontal fixed and is provided with one end and is open direction barrel (901), and its inner chamber is horizontal and sealed to be provided with in the inner chamber and can follow its chamber round trip movement's rubber buffer (902), the one end of haulage rope (903) is followed the open entering of direction barrel (901) is fixed and is set up on rubber buffer (902), its other end is fixed on filter layer (7).

5. The bio-stuffing box for sewage treatment according to claim 4, wherein the inside of the box body (1) at the opened front side of each guide cylinder (901) is vertically and rotatably provided with a diverting wheel (13) capable of changing the moving direction of the traction ropes (903), and each traction rope (903) bypasses the corresponding diverting wheel (13) and is fixed on the rubber stopper (902).

6. The bio-stuffing box for sewage treatment according to claim 4, further comprising a linkage assembly (14) for driving all the rubber plugs (902) to and fro along the inner cavities of the guide cylinders (901) corresponding thereto, wherein the linkage assembly (14) comprises: a linkage shaft (1401), an incomplete gear (1402), a linkage rack plate (1403), a linkage rod (1404) and a return spring (1405); wherein,

every direction barrel (901) all the level runs through fixedly to be set up on the lateral wall of box (1), every the one end of direction barrel (901) all partly extends to the correspondence in the filter chamber, its other end is followed the lateral wall of box (1) wears out, is located the front side of every direction barrel all the level sets up and is movably provided with linkage rack board (1403) on the lateral wall of box (1), is located on linkage rack board (1403) top horizontal and rotationally be provided with linkage axle (1401) on box (1), its axle equidistant fixed be provided with all linkage rack board (1403) one-to-one and a plurality of incomplete gears (1402) of meshing connection, every linkage rack board (1403) the equal horizontal fixation of tip is provided with gangbar (1404), the other end of gangbar (1405) all follows the tip of direction barrel (901) stretches into its inside and is fixed on rubber stopper (902), every linkage bar (1405) is equipped with reset spring (1403) and every reset spring (1403) are equipped with on the linkage rack board (1403) and each reset spring (1403) is fixed on the cylinder (1403) respectively.

7. The bio-stuffing box for sewage treatment according to claim 6, wherein one end of the linkage shaft (1401) is coaxially connected with a motor horizontally fixedly arranged on the side wall of the box body (1) through a coupling.

8. The bio-stuffing box for sewage treatment according to claim 6, wherein guide rails (16) adapted to each of the linkage rack plates (1403) are horizontally and fixedly arranged on the side walls of the box body (1) positioned below each of the linkage rack plates (1403), and the bottom part of each of the linkage rack plates (1403) is inwardly recessed to form guide sliding grooves adapted to the guide rails (16), and the linkage rack plates (1403) are slidably assembled on the guide rails (16) through the guide sliding grooves.

9. The biological stuffing box for sewage treatment according to claim 1, wherein a settling tank (10) communicated with each filtering chamber is vertically and fixedly arranged below each filtering chamber, a sludge inlet pipe and a sludge outlet pipe which are communicated with the inside of each settling tank (10) are vertically and fixedly arranged at the upper end and the lower end of each settling tank, the top of each sludge inlet pipe is communicated with the inside of the corresponding filtering chamber, and a first switching valve (11) and a second switching valve (12) are respectively and fixedly arranged at the sludge inlet pipe and the sludge outlet pipe.