CN210559813U

CN210559813U - Sewage treatment device with unpowered stirring function

Info

Publication number: CN210559813U
Application number: CN201921390677.5U
Authority: CN
Inventors: 郑玉生; 郑成裴; 谢小西
Original assignee: Beijing Zhengheshun Automotive Parts Co ltd
Current assignee: Beijing Zhengheshun Automotive Parts Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-19
Anticipated expiration: 2029-08-23

Abstract

The utility model belongs to the technical field of sewage treatment, specifically provide a sewage treatment device of unpowered stirring, include: the coagulation vortex device comprises a stirring barrel, a water inlet pipe and a water outlet pipe which are connected with the stirring barrel; the stirring barrel is cylindrical, and the inner wall of the stirring barrel is provided with a spiral guide groove; the water inlet pipe is arranged at the upper end of the stirring barrel and is positioned at the starting end of the guide groove, and the water outlet pipe is arranged in the center of the bottom of the stirring barrel; the ceramic ultrafiltration box comprises a box body and a ceramic ultrafiltration part; the box body is provided with an inlet and an outlet, and the inlet is communicated with a water outlet pipe of the coagulation vortex device; the ceramic ultrafiltration part is arranged in the box body; the purified water recovery device is connected with the outlet of the ceramic ultrafiltration part. The utility model discloses a heliciform guide slot improves the rotary power who gets into the sewage in the agitator, and the vortex that naturally forms when cooperation sewage flows from the outlet pipe at bottom center makes sewage and concrete medicament rotatory and misce bene in the agitator, reaches unpowered stirring effect.

Description

Sewage treatment device with unpowered stirring function

Technical Field

The utility model belongs to the technical field of sewage treatment, a sewage treatment device of unpowered stirring is specifically provided.

Background

The sewage treatment equipment is an industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, is mainly used for preventing sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development. Conventional sewage treatment methods are mostly accompanied by a flocculation precipitation step, i.e., adding a flocculant to sewage and uniformly mixing to generate a flocculation precipitate. The conventional method for mixing is foreign matter stirring, that is, a stirring rod and a power device are adopted, and the stirring rod is driven by the power device to stir. However, the above method has the problems that the sewage is fully contacted with the coagulant during the stirring process, and the sewage is directly flocculated to generate flocculated sediment, and the flocculated sediment is wound on the stirring rod instead of entering the next treatment device along the pipeline during the rotation process, so that the sediment on the stirring rod is accumulated more and needs to be cleaned frequently after long-time use. That is, the progress of sewage treatment is seriously affected by adopting a power device for stirring.

Chinese patent document CN203635090A discloses a slurry unpowered stirring barrel for a copper flotation process, which adopts the technical scheme that the stirring barrel comprises a barrel body, a slurry inlet pipe and a slurry outlet pipe, wherein the slurry inlet pipe is obliquely arranged along the tangential direction of the cylindrical surface of the barrel body, the included angle α between the slurry inlet pipe and the plane of the axis of the barrel body is 50-70 degrees, the slurry inlet pipe is communicated with the barrel body through a slurry inlet of the barrel body, the slurry outlet pipe is communicated with the barrel body through a slurry outlet of the barrel body, the inner surface of the barrel body is provided with a polyurea elastomer coating, and the slurry outlet of the barrel body is arranged along the tangential direction of the cylindrical surface.

However, the above patent has problems that, for example, the liquid introduced into the stirring barrel is not guided by a proper mechanism, and the stirring is guided by the impact force of the liquid, and the stirring and mixing ability is unstable.

Therefore, not enough more than, the utility model discloses the urgent need provides a sewage treatment device of unpowered stirring, replaces original power agitator, still guarantees the mixed degree of ability liquid simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment device of unpowered stirring to there is the flocculation treatment that the power agitator is not applicable to sewage among the solution prior art and unpowered agitator can not guarantee the problem of the mixed degree of liquid medicine.

The utility model provides a sewage treatment device of unpowered stirring, include: the vortex coagulating device comprises a stirring barrel, and a water inlet pipe and a water outlet pipe which are connected with the stirring barrel; the stirring barrel is cylindrical, and the inner wall of the stirring barrel is provided with a spiral guide groove; the water inlet pipe is arranged at the upper end of the stirring barrel and is positioned at the starting end of the guide groove, and the water outlet pipe is arranged in the center of the bottom of the stirring barrel; the ceramic ultrafiltration box comprises a box body and a ceramic ultrafiltration part; the box body is provided with an inlet and an outlet, and the inlet is communicated with a water outlet pipe of the coagulation vortex device; the ceramic ultrafiltration part is arranged in the box body and is suitable for filtering sewage to separate solid from liquid in the sewage; and the purified water recovery device is connected with an outlet of the ceramic ultrafiltration part and is suitable for purifying liquid obtained by solid-liquid separation of sewage.

The unpowered stirring sewage treatment equipment is further preferably characterized in that the bottom of the stirring barrel is of a cone structure, and the water outlet pipe is arranged at the bottom end of the cone structure.

The sewage treatment equipment with unpowered stirring is further preferable that the coagulation vortex device further comprises a dosing assembly, and the dosing assembly comprises a dosing barrel, a stirring rod and a driving structure; the dosing barrel comprises a barrel body and a barrel cover which are arranged in a matched mode, a dosing port and a water feeding port are formed in the barrel cover, a water outlet is formed in the lower portion of the barrel body, and the water outlet is communicated with a water inlet pipe of the coagulation vortex device; the driving structure is installed on the barrel cover, one end of the stirring rod is connected with the driving structure, and the other end of the stirring rod is inserted into the barrel body.

In the sewage treatment plant without power stirring as described above, it is further preferable that the coagulation vortex device includes two, that is, a first coagulation screw device and a second coagulation screw device; the first coagulation spiral device is positioned above the second coagulation spiral device, a water outlet pipe of the first coagulation spiral device is communicated with a water inlet pipe of the second coagulation spiral device, and a water outlet pipe of the second coagulation spiral device is communicated with an inlet of the ceramic ultrafiltration box; the dosing assemblies are two and are respectively communicated with the water inlet pipes of the coagulation vortex devices.

In the unpowered agitated sewage treatment plant as described above, it is further preferable that the ceramic ultrafiltration section includes a mounting frame and a ceramic ultrafiltration membrane; the mounting rack is polyhedral; one of the mounting frames is a mounting surface and is suitable for arranging an outlet of the ceramic ultrafiltration part; and the other side surfaces of the mounting rack are formed by enclosing the ceramic ultrafiltration membrane.

In the sewage treatment plant with unpowered stirring, preferably, the purified water recovery device is tubular, and an ultrafiltration membrane is arranged inside the tubular shape; the purified water recovery device is connected with an outlet of the ceramic ultrafiltration part through a communicating pipe.

The unpowered stirring sewage treatment equipment further preferably further comprises an ultrafiltration water pump, wherein the ultrafiltration water pump is positioned on the communicating pipe and is suitable for pumping the liquid filtered by the ceramic ultrafiltration part into the purified water recovery device.

The unpowered stirring sewage treatment equipment further preferably further comprises a first return pipe, wherein the first return pipe is connected between the purified water recovery device and the ceramic ultrafiltration box and is suitable for enabling viscous liquid obtained by filtration of an ultrafiltration membrane of the purified water recovery device to flow back to the ceramic ultrafiltration box.

The sewage treatment equipment without power stirring further preferably comprises a stacked screw type sludge dewatering machine and a screw pump; the screw pump is connected between the stacked screw sludge dewatering machine and the outlet of the box body of the ceramic ultrafiltration box and is suitable for conveying solid obtained by solid-liquid separation of sewage passing through the ceramic ultrafiltration box; the spiral-stacked sludge dewatering machine is suitable for dewatering the solid conveyed by the screw pump.

The sewage treatment plant without power stirring further preferably further comprises a second return pipe connected between the stacked screw type sludge dewatering machine and the stirring barrel and adapted to return liquid obtained by dewatering treatment of the stacked screw type sludge dewatering machine to the stirring barrel.

Compared with the prior art, the utility model has the following advantage:

the utility model discloses a set up spiral helicine guide slot and for the mixed liquid increase rotary power of sewage and/or medicament that gets into the agitator from the inlet tube, through setting up the outlet pipe at agitator bottom center, form natural swirl when making the sewage in the agitator flow out, also can provide power for the rotation of sewage, the sewage direction of rotation that brings when natural swirl is the same with the sewage direction of rotation that the guide slot brought, both superpose, from peripheral synchronous power of having an effect to the center, further strengthen the stirring effect of sewage. That is, the utility model discloses a heliciform guide slot increases rotary power for the mixed liquid of sewage and/or medicament that gets into in the agitator from the inlet tube, and the vortex that naturally forms when cooperation sewage and/or the mixed liquid of medicament flow out from the outlet pipe at bottom center makes sewage and thoughtlessly congeal the medicament rotatory and misce bene in the agitator, reaches unpowered stirring effect.

Drawings

FIG. 1 is a schematic structural view of the sewage treatment equipment with no power stirring in the utility model.

Description of reference numerals:

1-stacked screw type sludge dewatering machine; 2-a coagulation vortex device, 21-a stirring barrel, 22-a guide groove and 23-a water outlet pipe; 3-ceramic ultrafiltration box, 31-box, 32-ceramic ultrafiltration part; 4-a screw pump; 5-ultrafiltration water pump; 6-a purified water recovery device, 61-an ultrafiltration membrane, 62-a communicating pipe and 63-a first return pipe; 7-a medicine adding component, 71-a medicine adding barrel and 72-a driving structure; 8-a reaction chamber; 9-solid waste trolley.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the unpowered agitating sewage treatment apparatus disclosed in this embodiment includes: the device comprises a coagulation vortex device 2, wherein the coagulation vortex device 2 comprises a stirring barrel 21, and a water inlet pipe and a water outlet pipe 23 which are connected with the stirring barrel 21; the stirring barrel 21 is cylindrical, and the inner wall of the stirring barrel is provided with a spiral guide groove 22; the water inlet pipe is arranged at the upper end of the stirring barrel 21 and is positioned at the starting end of the guide groove 22, and the water outlet pipe 23 is arranged in the center of the bottom of the stirring barrel 21; the ceramic ultrafiltration box 3 comprises a box body 31 and a ceramic ultrafiltration part 32; the box body 31 is provided with an inlet and an outlet, and the inlet is communicated with the water outlet pipe 23 of the coagulation vortex device 2; the ceramic ultrafiltration part 32 is arranged in the box body 31 and is suitable for filtering sewage to separate solid from liquid in the sewage; and the purified water recovery device 6 is connected with an outlet of the ceramic ultrafiltration part 32, and is suitable for purifying liquid obtained by solid-liquid separation of sewage.

In the above embodiment, the main purpose of the mixing vortex device is to mix the sewage and the coagulant, so that the sewage can sufficiently contact with the coagulant to form a precipitate floc, wherein the stirring barrel 21 is a barrel-shaped container, and the guide groove 22 is uniformly spiral and has a structure in which a strip-shaped plate is spirally installed along the inner wall of the stirring barrel 21. The guide groove 22 is spirally arranged on the inner wall of the stirring barrel 21, the water inlet pipe is positioned above the guide groove 22 and is suitable for injecting sewage and a coagulant into the stirring barrel 21, wherein the coagulant and the sewage are mixed at the water inlet pipe and enter the mixing tank along with the sewage at a certain flow velocity, then the sewage spirally moves on the inner surface of the stirring barrel 21 along the spiral guide groove 22 by means of impulsive force, and the collected sewage still rotates under the inertia effect after contacting the bottom of the stirring barrel 21 so as to be stirred and mixed, and the impulsive force is the initial power for the sewage to rotate in the stirring barrel 21; the subsequent inflow sewage continues the process, and continuous power is provided for the rotation of the sewage. After the sewage in the stirring barrel 21 reaches a certain volume, the water outlet pipe 23 is opened, and the mixed sewage flows out from the water outlet pipe 23; because the water outlet pipe 23 is arranged at the center of the bottom of the stirring barrel 21, natural vortex can be formed by the flowing of the mixed sewage, and power can be provided for the rotation of the sewage. When the sewage rotation direction brought by the natural vortex is the same as that brought by the guide groove 22, the sewage rotation direction and the sewage rotation direction are overlapped, and the force is synchronously exerted from the periphery to the center, so that the sewage stirring effect is further enhanced. That is, in this embodiment, the spiral guide groove 22 increases the rotation power for the sewage and/or the mixed liquid of the chemicals entering the stirring barrel 21 from the water inlet pipe, and the sewage and/or the mixed liquid of the chemicals naturally form vortex when flowing out from the water outlet pipe 23 at the center of the bottom end, so that the sewage and the mixed liquid of the chemicals are rotated and uniformly mixed in the stirring barrel 21, and the unpowered stirring effect is achieved.

The guide groove 22 is a strip-shaped plate which is spirally arranged along the inner wall of the stirring barrel 21, so that the whole guide groove 22 is uniformly and spirally arranged, and preferably, the ratio of the pitch of the guide groove 22 to the diameter of the inner wall of the stirring barrel 21 is about 1/5-1/2; meanwhile, the width of the strip-shaped plate is 2-10cm, and a certain included angle is formed between the strip-shaped plate and the inner wall of the stirring barrel 21, preferably, the included angle is about 45-85 degrees; the spiral direction of the guide groove 22 is the same as the spiral direction of the natural vortex of the ground, that is, the left-handed guide groove 22 is used in the northern hemisphere, and the right-handed guide groove 22 is used in the southern hemisphere. The flocculant is required to be used in an environment with the rotating speed within a limited range, and the ratio of the pitch of the guide groove 22 to the diameter of the inner wall of the stirring barrel 21 is set to be suitable for limiting the movement track of the sewage and simultaneously keeping the rotating impact force of the sewage so as to enable the rotating speed to reach the rotating range required by the flocculant. The inclination angle of the guide groove 22 is suitable for limiting the flowing direction of the sewage, so that most of the sewage flows along the guide groove 22, and the sewage is prevented from flowing out of the side edge of the guide groove 22 when the impact force is insufficient.

As shown in fig. 1, in the above embodiment, the bottom of the stirring barrel 21 is a cone structure, and the water outlet pipe 23 is disposed at the bottom end of the cone structure. The setting of cone structure is suitable for on the one hand to make the flocculation impurity concentrate, and on the other hand then is suitable for the intensity of strengthening the natural swirl when sewage flows out, and then rotation strength in the assurance agitator 21.

As shown in fig. 1, preferably, the unpowered stirring sewage treatment apparatus disclosed in this embodiment further includes a dosing assembly 7, where the dosing assembly 7 includes a dosing barrel 71, a stirring rod, and a driving structure 72; the medicine adding barrel 71 comprises a barrel body and a barrel cover which are arranged in a matched manner; the barrel cover is provided with a medicine feeding port and a water feeding port which are suitable for respectively adding medicine and water; the lower part of the barrel body is provided with a water outlet which is communicated with a water inlet pipe of the coagulation vortex device 2; the driving structure 72 is installed on the barrel cover, one end of the stirring rod is connected with the driving structure 72, and the other end of the stirring rod is inserted into the barrel body and is suitable for stirring under the driving of the driving structure 72 so as to mix water and medicament in the medicament adding barrel 71. In this embodiment, the water added at the water filling port is clean water, and the dosing assembly 7 is suitable for modulating the flocculating agent into a liquid medicine in advance, so as to facilitate later-stage mixing in the stirring barrel 21.

As shown in fig. 1, in the present embodiment, there are two coagulation vortex devices 2, which are a first coagulation spiral device and a second coagulation spiral device; the first coagulation spiral device is positioned above the second coagulation spiral device, a water outlet pipe 23 of the first coagulation spiral device is communicated with a water inlet pipe of the second coagulation spiral device, and a water outlet pipe 23 of the second coagulation spiral device is communicated with an inlet of the ceramic ultrafiltration box; the dosing assemblies 7 are two, and the dosing assemblies 7 are respectively communicated with the water inlet pipes of the coagulation vortex devices. The dosing assembly 7 communicated with the stirring barrel 21 in the first coagulation spiral device is suitable for preparing PAC flocculation liquid medicine, and the dosing assembly 7 communicated with the stirring barrel 21 in the second coagulation spiral device is suitable for preparing PAM flocculation liquid medicine. The setting of this embodiment is suitable for the characteristic of combining PAC medicament and PAM medicament, mixes step by step, finally reaches the purpose of flocculation, improves the flocculation effect.

In the above embodiment, the diameter of the water inlet pipe is about 32-50mm, the sewage flow is 1-2t/h, and the rotation speed of the sewage in the stirring barrel 21 is 60 rad/min.

As shown in fig. 1, further, in the unpowered agitating sewage treatment apparatus disclosed in the present embodiment, the ceramic ultrafiltration part 32 includes a mounting frame and a ceramic ultrafiltration membrane; the mounting rack is polyhedral; one side surface of the mounting rack is a mounting surface and is suitable for arranging an outlet of the ceramic ultrafiltration part 32; and the other side surfaces of the mounting frame are surrounded by the ceramic ultrafiltration membrane. The ceramic ultrafiltration membrane is an inorganic separation membrane and has the biggest characteristics of extremely small pore diameter, capability of filtering and intercepting extremely small organic matters and separation at normal temperature, low energy consumption and high water utilization rate. In this embodiment, the sewage and the flocculating agent are mixed uniformly in the coagulation vortex device 2 and then enter the box 31 of the ceramic ultrafiltration box 3, and at this time, a precipitate is generated in the sewage under the action of the flocculating agent. The ceramic ultrafiltration part 32 is located at the bottom of the tank 31, and is capable of filtering the precipitate and delivering the filtered water to the purified water recovery device 6.

As shown in fig. 1, in the unpowered stirring sewage treatment device disclosed in this embodiment, an ultrafiltration membrane 61 is further disposed in the channel of the purified water recovery unit 6. Preferably, the device further comprises an ultrafiltration water pump 5, wherein the ultrafiltration water pump 5 is positioned on the communicating pipe 62 and is suitable for pumping the liquid filtered by the ceramic ultrafiltration part 32 to the clean water recovery device 6. The ultrafiltration membrane 61 arranged in the purified water recovery device 6 is suitable for evolution again, and the purified water quality is further improved. The setting of ultrafiltration water pump 5 can further improve the efficiency that the water purification was retrieved, and simultaneously, 5 one end of ultrafiltration water pump is the malleation, and one end is the negative pressure, and the one end and the ceramic ultrafiltration portion 32 of negative pressure are connected for draw water, and the one end and the water purification recovery unit 6 of malleation are connected for the drainage, and the pressure homoenergetic at its both ends can improve the water purification speed of milipore filter 61. Preferably, the purified water recovery device 6 is further provided with a first return pipe 63, the first return pipe 63 is connected between the purified water recovery device 6 and the ceramic ultrafiltration box 3, one end of the first return pipe is inserted into the box body 31 of the ceramic ultrafiltration box 3, and the other end of the first return pipe is connected to one side of the ultrafiltration membrane 61 in the purified water recovery device 6, so that the ultrafiltration membrane 61 of the purified water recovery device 6 is suitable for filtering to obtain viscous liquid which flows back to the ceramic ultrafiltration box 3.

Further, in the unpowered sewage treatment device disclosed in this embodiment, the device further includes a stacked screw sludge dewatering machine 1 and a screw pump 4; the screw pump 4 is connected between the stacked screw type sludge dewatering machine 1 and the outlet of the box body 31 of the ceramic ultrafiltration box 3, and is suitable for conveying solid obtained by solid-liquid separation of sewage of the ceramic ultrafiltration box, and the stacked screw type sludge dewatering machine is suitable for dewatering the solid conveyed by the screw pump. Preferably, the sludge dewatering device further comprises a second return pipe (not shown in the figure), wherein the second return pipe is connected between the stacked spiral sludge dewatering device 1 and the stirring barrel 21 and is suitable for enabling liquid obtained by dewatering treatment of the stacked spiral sludge dewatering device to return to the stirring barrel 21. The arrangement of the structure is suitable for retreating the flocculent precipitate in the ceramic ultrafiltration tank 3, wherein the screw pump 4 is suitable for conveying the flocculent precipitate into the stacked screw type sludge dewatering machine 1 from the tank body 31, the stacked screw type sludge dewatering machine 1 is suitable for dewatering the conveyed flocculent precipitate, the flocculent precipitate after dewatering is subjected to waste collection through the solid waste trolley 9, and the waste water after dewatering is returned to the stirring barrel 21 through the second return pipe for retreatment. The setting of above-mentioned structure is suitable for the further processing of sewage, and then improves the recycle efficiency of water resource.

Preferably, in the unpowered sewage treatment device of stirring of this embodiment, further include a reaction chamber 8, wherein the vortex coagulation device 2 is installed on the upper portion of the reaction chamber, the ceramic ultrafiltration tank 3, the screw pump 4, the ultrafiltration water pump 5 and the purification and recovery device 6 are installed in the reaction chamber 8, and the stacked-spiral sludge dewatering machine 1 is installed on one side of the reaction chamber 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a sewage treatment device of unpowered stirring which characterized in that includes:

the vortex coagulating device comprises a stirring barrel, and a water inlet pipe and a water outlet pipe which are connected with the stirring barrel; the stirring barrel is cylindrical, and the inner wall of the stirring barrel is provided with a spiral guide groove; the water inlet pipe is arranged at the upper end of the stirring barrel and is positioned at the starting end of the guide groove, and the water outlet pipe is arranged in the center of the bottom of the stirring barrel;

the ceramic ultrafiltration box comprises a box body and a ceramic ultrafiltration part; the box body is provided with an inlet and an outlet, and the inlet is communicated with a water outlet pipe of the coagulation vortex device; the ceramic ultrafiltration part is arranged in the box body and is suitable for filtering sewage to separate solid from liquid in the sewage;

and the purified water recovery device is connected with an outlet of the ceramic ultrafiltration part and is suitable for purifying liquid obtained by solid-liquid separation of sewage.

2. The unpowered stirring sewage treatment device according to claim 1, wherein the bottom of the stirring barrel is in a cone structure, and the water outlet pipe is arranged at the bottom end of the cone structure.

3. The unpowered stirring sewage treatment device according to claim 2 further comprising a dosing assembly, wherein the dosing assembly comprises a dosing barrel, a stirring rod and a driving structure;

the dosing barrel comprises a barrel body and a barrel cover which are arranged in a matched mode, a dosing port and a water feeding port are formed in the barrel cover, a water outlet is formed in the lower portion of the barrel body, and the water outlet is communicated with a water inlet pipe of the coagulation vortex device;

the driving structure is installed on the barrel cover, one end of the stirring rod is connected with the driving structure, and the other end of the stirring rod is inserted into the barrel body.

4. The unpowered stirring sewage treatment device according to claim 3, wherein the coagulation vortex device comprises two first coagulation screw devices and two second coagulation screw devices; the first coagulation spiral device is positioned above the second coagulation spiral device, a water outlet pipe of the first coagulation spiral device is communicated with a water inlet pipe of the second coagulation spiral device, and a water outlet pipe of the second coagulation spiral device is communicated with an inlet of the ceramic ultrafiltration box;

the dosing assemblies are two and are respectively communicated with the water inlet pipes of the coagulation vortex devices.

5. The unpowered agitating sewage treatment apparatus of claim 1 wherein the ceramic ultrafiltration section comprises a mounting frame and a ceramic ultrafiltration membrane; the mounting rack is polyhedral; one side surface of the mounting rack is a mounting surface and is suitable for arranging an outlet of the ceramic ultrafiltration part; and the other side surfaces of the mounting rack are formed by enclosing the ceramic ultrafiltration membrane.

6. The unpowered stirring sewage treatment device according to claim 5, wherein the purified water recovery unit is tubular, and an ultrafiltration membrane is arranged inside the tubular; the purified water recovery device is connected with an outlet of the ceramic ultrafiltration part through a communicating pipe.

7. The unpowered stirring sewage treatment device according to claim 6, further comprising an ultrafiltration water pump located on the communication pipe and adapted to pump the liquid filtered by the ceramic ultrafiltration section into the clean water recovery unit.

8. The unpowered stirring sewage treatment device according to claim 7, further comprising a first return pipe connected between the clean water recovery device and the ceramic ultrafiltration tank and adapted to return viscous liquid obtained by ultrafiltration membrane filtration of the clean water recovery device to the ceramic ultrafiltration tank.

9. The unpowered stirring sewage treatment device according to claim 1, further comprising a stacked screw sludge dewatering machine and a screw pump; the screw pump is connected between the stacked screw sludge dewatering machine and the outlet of the box body of the ceramic ultrafiltration box and is suitable for conveying solid obtained by solid-liquid separation of sewage passing through the ceramic ultrafiltration box; the spiral-stacked sludge dewatering machine is suitable for dewatering the solid conveyed by the screw pump.

10. The unpowered stirring sewage treatment device according to claim 9, further comprising a second return pipe connected between the stacked screw sludge dewatering machine and the stirring barrel, wherein the second return pipe is adapted to return liquid obtained by dewatering treatment of the stacked screw sludge dewatering machine to the stirring barrel.