CN113045344A

CN113045344A - Aerobic composting device for sewage treatment

Info

Publication number: CN113045344A
Application number: CN202110478430.4A
Authority: CN
Inventors: 黄石团; 张海; 周彬彬
Original assignee: Individual
Current assignee: Nanjing Lanying Environmental Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-06-29
Anticipated expiration: 2041-04-30
Also published as: CN113045344B

Abstract

The utility model provides an aerobic composting device for sewage treatment, the device is including the sewage runner, installs first grid and second grid in proper order along sewage flow direction in the sewage runner, and the end of salvaging of first grid is higher than the end of salvaging of second grid, and the end of salvaging of second grid is located sewage runner bottom, the discharge end and the circulation compost unit intercommunication of first grid, circulation compost unit is including compost case, chain, fan and collection module. The action that the material enters one layer and goes out of one layer in the aerobic composting process can be realized more conveniently, the material at the bottommost layer is discharged every day, the new material is added at the topmost layer every day, the material at the bottom layer is used for carrying out microbial inoculation on the material at the upper layer, the initial fermentation time of the material at the upper layer can be reduced, the feeding and discharging are completed through the automatic circulation structure, and the labor cost is saved.

Description

Aerobic composting device for sewage treatment

Technical Field

The invention relates to the field of sewage treatment, in particular to an aerobic composting device for sewage treatment.

Background

The sewage treatment refers to the process of purifying, treating and recycling the polluted water body after use. The sewage treatment method includes a physical treatment method, a chemical treatment method and a biological treatment method, and the treatment method is determined according to the type of sewage, but solid-liquid separation is required in any sewage treatment method, and solid waste includes sludge, domestic waste, kitchen waste and the like. The garbage has large volume, high water content and large specific gravity of organic matters. In the prior art, drying, burning and landfill or composting treatment is carried out on the raw materials. Wherein the composting treatment is economical and practical, and the solid garbage after composting can be changed into the fertilizer for orchards and farmlands.

The composting treatment refers to a method for decomposing, decomposing and converting organic matters in the garbage into stable humus-like soil under the condition of manual control through the biochemical action of microorganisms, and the composting treatment is further divided into aerobic composting and anaerobic composting, wherein the aerobic composting is a method for decomposing and stabilizing the organic matters by aerobic bacteria through turning and forced air supply.

The aerobic compost is divided into aerobic static compost, intermittent aerobic compost and continuous aerobic compost according to the process. The intermittent aerobic composting has the advantages that the materials are divided into a plurality of layers, and are cut in layers and discharged evenly, the intermittent aerobic composting has the characteristics of short fermentation period, simple treatment process and the like, the materials in the fermentation bin are fermented and decomposed from bottom to top in sequence, the decomposed bottommost layer is discharged every day, and the uppermost layer is added with new materials every day. Due to the heat transfer from bottom to top and the inoculation effect of microorganisms, the temperature required by the harmless treatment (about 55 ℃) can be reached within 4 hours, the harmless index can be reached in only 72 hours, and the decrement can reach about 1/3. Compared with the common static aerobic fermentation period, the method greatly shortens the fermentation period.

Disclosure of Invention

The invention aims to provide an aerobic composting device for sewage treatment.

The invention aims to realize the purpose through the technical scheme, the device comprises a sewage flow channel, wherein a first grating and a second grating are sequentially arranged in the sewage flow channel along the sewage flow direction, the fishing end of the first grating is higher than the fishing end of the second grating, the fishing end of the second grating is positioned at the bottom of the sewage flow channel, the discharging end of the first grating is communicated with a circulating composting unit, the circulating composting unit comprises a plurality of composting boxes moving along the same rectangular track, the inlets of the composting boxes can be respectively communicated with the discharging ends of the first grating, a plurality of ventilation holes are formed in the wall of each composting box, the circulating composting unit also comprises a fan for air circulation among the composting boxes, and the circulating composting unit also comprises a collecting module for collecting materials fermented by the composting boxes.

Preferably, one side of the compost box is provided with an opening, two side walls of the opening are provided with first sliding grooves, the box cover is slidably arranged in the first sliding grooves, the bottom end of the first sliding grooves is provided with a first spring, one end of the first spring is in contact with the bottom end of the first sliding grooves, and the other end of the first spring is in contact with the box cover;

the top surface of the box cover is fixedly connected with a first mounting seat and a second mounting seat, a first rotating rod is rotatably mounted between the first mounting seat and the second mounting seat, a first lug is fixedly connected to the outer wall of the circumference of the first rotating rod, the first rotating rod is perpendicular to the length direction of the first sliding groove, two ends of the first rotating rod are respectively sleeved with a torsional spring and fixedly connected with one end of the torsional spring, and the other end of the torsional spring is fixedly connected with the first mounting seat and the second mounting seat respectively;

the second spout has been seted up on two lateral walls of compost case, and second spout length direction is parallel with first spout length direction, and rotatable the installing of compost incasement has first puddler, and first puddler is perpendicular with first spout length direction, and first puddler one end is passed compost case lateral wall and is extended outside the compost case and the rigid coupling has first gear.

As preferred, compost case both sides are provided with the chain respectively, and the chain is the rectangle through four sprockets respectively and arranges, and the direction of motion of chain is the same with first spout length direction, and even rigid coupling has the one end with the same threaded rod of compost case quantity on the chain, and threaded rod other end rigid coupling has first slider, and first slider slidable is located the second spout, still overlaps on the threaded rod to be equipped with the nut.

Preferably, the device also comprises a box body, the box body wraps the circulating composting unit, a feeding pipeline is fixedly connected to the top wall of the box body, one end of the feeding pipeline is positioned below the discharge end of the first grating, the other end of the feeding pipeline extends into the box body and can be positioned above the composting box, and the pipe edge of one end of the feeding pipeline, which extends into the box body, can be matched with the first bump;

the bottom surface of the box body is fixedly connected with a first cavity, the top surface of the first cavity is provided with an air outlet hole communicated with the box body, the fan is arranged in the first cavity, the air outlet direction faces the air outlet hole, and the side wall of the first cavity is also provided with an air inlet hole communicated with the outside;

the side wall and the bottom surface of the box body are fixedly connected with racks, and the racks can be meshed with the first gear.

Preferably, the chain wheels are fixedly connected to one ends of the transmission shafts, the other ends of the transmission shafts are rotatably mounted on the side wall of the box body far away from the chain, one of the transmission shafts penetrates through the side wall of the transmission shaft and is fixedly connected with the output shaft of the first motor, and the first motor is mounted on the outer wall of the box body.

Preferably, the collecting module comprises a discharge pipeline fixedly connected to the bottom end of the box body, one end of the discharge pipeline is communicated with the outside, the other end of the discharge pipeline extends into the box body and can be located below the compost box, and the pipe edge of one end of the discharge pipeline extending into the box body can be matched with the first bump.

Due to the adoption of the technical scheme, the invention has the following advantages:

1. according to the invention, the two groups of chains drive the compost box to move in the box body, the compost box moves to the position of the feeding pipeline for feeding, is fermented in the descending process, is discharged when moving to the discharging pipeline, then the empty box returns to the position of the feeding pipeline again for continuous cycle work, the action of feeding materials into one layer and discharging the materials out of the other layer in the aerobic composting process is conveniently realized, the materials at the bottommost layer are discharged every day, the fresh materials are added at the uppermost layer every day, the compost box with the rotten bottom layer can deliver aerobic bacteria and oxygen into the compost box at the upper layer through the fan to complete inoculation, the initial fermentation time of the compost box at the upper layer can be reduced, and the.

2. Through the first lug on charge-in pipeline and the ejection of compact pipeline promotion case lid, realize the slip of case lid and open and shut, at compost case circulation in-process, accomplish feeding and ejection of compact work automatically, reduce the manpower and intervene.

3. The relative distance between two compost casees can be adjusted to the second spout on the compost case, more is fit for the inoculation when the distance is near, and the ventilation effect is fine when the distance is far away, and oxygen supply is abundant, can adjust according to actual conditions.

4. Compost case is when the fermentation, drives compost case downstream in proper order through the chain, and first gear and rack toothing, first gear drive first puddler stir the material in the box, and ventilation and oxygen suppliment when helping good oxygen fermentation when compost case moves to ejection of compact pipeline, first gear and rack mesh once more, and the rotatory supplementary compost case of first puddler is ejection of compact faster, avoids the card material.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.

Drawings

The drawings of the present invention are described below.

Fig. 1 is an appearance schematic diagram of the present invention.

Fig. 2 is a schematic view of the chain of the present invention.

Fig. 3 is a schematic view of a rack of the present invention.

Fig. 4 is a schematic view of a feed conduit of the present invention.

FIG. 5 is a schematic view of a compost bin of the invention.

Fig. 6 is a schematic view of the cover of the present invention.

FIG. 7 is a schematic view of the sprocket of the present invention.

In the figure: 1. a sewage flow channel; 2. a first grid; 3. a second grid; 4. composting; 5. a vent hole; 6. a fan; 7. a first chute; 8. a box cover; 9. a first spring; 10. a first rotating lever; 11. a first mounting seat; 12. a second mounting seat; 13. a first bump; 14. a torsion spring; 15. a second chute; 16. a first stirring rod; 17. a first gear; 18. a chain; 19. a sprocket; 20. a threaded rod; 21. a first slider; 22. a nut; 23. a box body; 24. a feed conduit; 25. a first chamber; 26. an air outlet; 27. an air inlet hole; 28. a rack; 29. a drive shaft; 30. a first motor; 31. a discharge pipeline.

Detailed Description

The invention is further illustrated by the following figures and examples.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of 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. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, an aerobic composting device for sewage treatment comprises a sewage flow passage 1, a first grid 2 and a second grid 3 are sequentially arranged in the sewage flow passage 1 along the sewage flow direction, the fishing end of the first grid 1 is higher than the fishing end of the second grid 3, the fishing end of the second grid 3 is positioned at the bottom of the sewage flow passage 1, the discharging end of the first grid 2 is communicated with a circulating composting unit, the circulating composting unit comprises a plurality of composting boxes 4 moving along the same rectangular track, the inlets of the composting boxes 4 can be respectively communicated with the discharging ends of the first grids 2, a plurality of ventilation holes 5 are arranged on the wall of the compost boxes 4, the circulating composting unit also comprises a fan 6 for air circulation among the compost boxes 4, the circulating composting unit also comprises a collecting module for collecting the fermented materials in the compost bin 4.

In the embodiment, when sewage treatment work is started, the fishing end of the first grating is located on the middle upper layer of the sewage flow channel, the fishing end of the second grating is located on the lower layer of the sewage flow channel, the lower layer of water flows through heavy substances such as glass, metal and stone, the middle upper layer tends to float and is light substances such as paper scraps, domestic garbage and kitchen garbage, the light substances are mostly organic matters, the first grating drags the substances and sends the substances into the composting boxes for stacking and fermentation, aerobic bacteria are utilized to decompose organic matters through forced air supply, the composting boxes are in a stacked state in the circulating composting unit, the fermented composting boxes on the lower layer send the aerobic bacteria into the composting boxes through the fan, and the fan continuously supplies air to all the composting boxes for oxygen supply.

As shown in fig. 5 to 6, one side of the compost bin 4 is open, two side walls of the opening are provided with first sliding grooves 7, a bin cover 8 is slidably mounted in the first sliding grooves 7, the bottom end of the first sliding grooves 7 is provided with first springs 9, one end of each first spring 9 is in contact with the bottom end of each first sliding groove 7, and the other end of each first spring 9 is in contact with the bin cover 8;

a first mounting seat 11 and a second mounting seat 12 are fixedly connected to the top surface of the box cover 8, a first rotating rod 10 is rotatably mounted between the first mounting seat 11 and the second mounting seat 12, a first bump 13 is fixedly connected to the outer circumferential wall of the first rotating rod 10, the first rotating rod 10 is perpendicular to the length direction of the first chute 7, two ends of the first rotating rod 10 are respectively sleeved with a torsion spring 14 and fixedly connected with one end of the torsion spring 14, and the other end of the torsion spring 14 is fixedly connected with the first mounting seat 11 and the second mounting seat 12;

second spout 15 has been seted up on two lateral walls of

compost case

4, and 15 length direction of second spout are parallel with 7 length direction of first spout, and rotatable the installing in compost case 4 has first puddler 16, and first puddler 16 is perpendicular with 7 length direction of first spout, and 16 one end of first puddler passes compost case 4 lateral wall and extends outside compost case 4 and the rigid coupling has first gear 17.

In this embodiment, the force required for the torsion spring to deform is greater than that of the first spring, when the chain drives the compost bin to move forward to the side of the feeding pipeline or the discharging pipeline, the pipe edge of the feeding pipeline or the discharging pipeline just can contact with the first lug on the first rotating rod, the compost bin continues to move forward, the first lug receives the reaction force of the pipe edge, the torsion spring does not move, the first rotating rod pushes the bin cover to slide in the first chute, the first spring is compressed, the compost bin is opened to feed or discharge, the chain is temporarily stopped, the chain is restarted after feeding or discharging is completed, the compost bin is driven to move forward again, when the first spring is compressed to the limit position and the bin cover slides to the limit position, the force continues to be applied, the torsion spring deforms, the first rotating rod rotates, when the first lug rotates to an angle which does not interfere with the pipe edge of the feeding pipeline or the discharging pipeline, the first lug can rub the pipe edge of the feeding pipeline or the discharging pipeline to move, until crossing charge-in pipeline or ejection of compact pipeline, the torsional spring resets, and first spring resets and closes the case lid.

As shown in fig. 2 and 7, two sides of the compost box 4 are respectively provided with a chain 18, the chains 18 are respectively arranged in a rectangular shape through four chain wheels 19, the moving direction of the chains 18 is the same as the length direction of the first sliding groove 7, one ends of threaded rods 20 with the same number as the compost box 4 are uniformly fixedly connected to the chains 18, the other ends of the threaded rods 20 are fixedly connected with first sliding blocks 21, the first sliding blocks 21 are slidably located in the second sliding grooves 15, and nuts 22 are further sleeved on the threaded rods 20.

In this embodiment, two first sliders are inserted into the second sliding grooves on the left side and the right side of the compost box respectively to limit the rotation of the compost box, but the compost box can slide back and forth in the second sliding grooves to adjust the position, so that the distance between two adjacent compost boxes is changed, and after the compost box is fixed by the nuts, the chain can drive the compost box to move forward to complete the cycle work.

As shown in fig. 2 to 4, the device further comprises a box body 23, the circulating composting unit is wrapped in the box body 23, a feeding pipeline 24 is fixedly connected to the top wall of the box body 23, one end of the feeding pipeline 24 is positioned below the discharging end of the first grid 2, the other end of the feeding pipeline 24 extends into the box body 23 and can be positioned above the composting box 4, and the pipe edge of one end of the feeding pipeline 24 extending into the box body 23 can be matched with the first bump 13;

a first cavity 25 is fixedly connected to the bottom surface of the box body 23, an air outlet 26 communicated with the box body 23 is formed in the top surface of the first cavity 25, the fan 6 is installed in the first cavity 25, the air outlet direction faces the air outlet 26, and an air inlet 27 communicated with the outside is further formed in the side wall of the first cavity 25;

the side wall and the bottom surface of the box body 23 are fixedly connected with racks 28, and the racks 28 can be meshed with the first gear 17.

In the embodiment, the pipe edge of the feeding pipeline can be in contact with the first bump, the box cover is pushed open for feeding, the fan can perform air circulation to feed oxygen to all the compost boxes, and aerobic bacteria in the lower-layer compost box can be fed to the upper-layer compost box for inoculation;

when the compost case down moved from the top, the rack drove the first gear on the box, and first gear drives first puddler and rotates, fully turns the compost incasement material, and when the compost case moved near the discharging pipe of bottom surface, the rack of here drove first gear revolve once more, and first gear drives first puddler and rotates, and first puddler can help the better ejection of compact faster of compost case, avoids the card material.

As shown in fig. 2 and 7, the chain wheels 19 are all fixedly connected to one end of the transmission shaft 29, the other end of the transmission shaft 29 is rotatably mounted on a side wall of the box 23 far away from the chain 18, one of the transmission shafts 29 respectively penetrates through the side wall and is fixedly connected with an output shaft of the first motor 30, and the first motors 30 are all mounted on an outer wall of the box 23.

In this embodiment, two chains all fix on corresponding lateral wall through four sprockets, drive through two first motors respectively, realize the rectangle cyclic motion of compost case.

As shown in fig. 4, it is characterized in that the collecting module includes a discharging pipe 31 fixedly connected to the bottom end of the box 23, one end of the discharging pipe 31 is communicated with the outside, the other end of the discharging pipe 31 extends into the box 23 and can be located below the compost box 4, and the pipe edge of one end of the discharging pipe 31 extending into the box 23 can be matched with the first bump 13.

In this embodiment, the pipe edge of the discharge pipe can contact with the first bump to push the box cover open for discharging.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims

1. The utility model provides an aerobic composting device for sewage treatment, the device is including sewage runner (1), installs first grid (2) and second grid (3) in proper order along sewage flow direction in sewage runner (1), the end of salvaging of first grid (1) is higher than the end of salvaging of second grid (3), the end of salvaging of second grid (3) is located sewage runner (1) bottom, its characterized in that, the discharge end and the circulation compost unit intercommunication of first grid (2), circulation compost unit is including a plurality of compost casees (4) along the same rectangle orbit motion, compost case (4) entry can respectively with first grid (2) discharge end intercommunication, a plurality of ventilation holes (5) have been seted up on compost case (4) tank wall, circulation compost unit is still including being used for fan (6) of air cycle between each compost case (4), circulation compost unit is still including being used for collecting the collection module of compost case (4) fermented material.

2. The aerobic composting device for sewage treatment as claimed in claim 1, wherein the composting box (4) is open on one side, a first chute (7) is provided on both side walls of the opening, the box cover (8) is slidably mounted in the first chute (7), a first spring (9) is mounted at the bottom end of the first chute (7), one end of the first spring (9) is in contact with the bottom end of the first chute (7), and the other end is in contact with the box cover (8);

a first mounting seat (11) and a second mounting seat (12) are fixedly connected to the top surface of the box cover (8), a first rotating rod (10) is rotatably mounted between the first mounting seat (11) and the second mounting seat (12), a first bump (13) is fixedly connected to the outer wall of the circumference of the first rotating rod (10), the first rotating rod (10) is perpendicular to the length direction of the first sliding chute (7), two ends of the first rotating rod (10) are respectively sleeved with a torsion spring (14) and fixedly connected with one end of the torsion spring (14), and the other end of the torsion spring (14) is fixedly connected with the first mounting seat (11) and the second mounting seat (12) respectively;

second spout (15) have been seted up on two lateral walls of compost case (4), second spout (15) length direction is parallel with first spout (7) length direction, and rotatable first puddler (16) of installing in compost case (4), first puddler (16) are perpendicular with first spout (7) length direction, and first puddler (16) one end is passed compost case (4) lateral wall and is extended outside compost case (4) and the rigid coupling has first gear (17).

3. The aerobic composting device for sewage treatment as claimed in claim 2, wherein chains (18) are respectively arranged on both sides of the composting box (4), the chains (18) are respectively arranged in a rectangular shape by four chain wheels (19), the moving direction of the chains (18) is the same as the length direction of the first sliding chute (7), one ends of threaded rods (20) with the same number as the composting box (4) are uniformly and fixedly connected to the chains (18), the other ends of the threaded rods (20) are fixedly connected with first sliding blocks (21), the first sliding blocks (21) are slidably positioned in the second sliding chute (15), and nuts (22) are further sleeved on the threaded rods (20).

4. An aerobic composting device for sewage treatment according to claim 3, characterised in that the device further comprises a box (23), the box (23) encloses the circulating composting unit, a feed pipe (24) is fastened to the top wall of the box (23), one end of the feed pipe (24) is located below the discharge end of the first grid (2), the other end of the feed pipe (24) extends into the box (23) and can be located above the composting container (4), and the pipe edge of the end of the feed pipe (24) extending into the box (23) can be engaged with the first projection (13);

a first cavity (25) is fixedly connected to the bottom surface of the box body (23), an air outlet hole (26) communicated with the box body (23) is formed in the top surface of the first cavity (25), the fan (6) is installed in the first cavity (25), the air outlet direction faces the air outlet hole (26), and an air inlet hole (27) communicated with the outside is further formed in the side wall of the first cavity (25);

and racks (28) are fixedly connected to the side wall and the bottom surface of the box body (23), and the racks (28) can be meshed with the first gear (17).

5. An aerobic composting device for sewage treatment according to claim 4 where the chain wheels (19) are all fixed to one end of a drive shaft (29) and the other end of the drive shaft (29) is rotatably mounted on the side wall of the tank (23) remote from the chain (18), where one drive shaft (29) passes through the side wall and is fixed to the output shaft of a first motor (30) and the first motors (30) are all mounted on the outer wall of the tank (23).

6. An aerobic composting device for sewage treatment according to claim 5 whereby the collecting module comprises a discharge pipe (31) fastened to the bottom of the tank (23), whereby one end of the discharge pipe (31) is connected to the outside and the other end extends into the tank (23) and can be located below the compost bin (4), whereby the pipe edge of the end of the discharge pipe (31) extending into the tank (23) can be engaged with the first protrusion (13).