CN113024301A - Sludge fermentation tank of homogeneous mixing material - Google Patents

Abstract

The invention belongs to the field of sludge fermentation, and relates to a sludge fermentation tank for uniformly mixing materials. The invention can fully mix the sludge and the straws, and can roll the sludge pushed to the side wall by stirring, thereby avoiding the side wall from being stained with excessive sludge, simultaneously improving the fermentation effect, fully mixing the sludge with fermentation liquor in the discharging process, improving the fertilizing effect, and cleaning the vent pipe by using the sludge fermentation liquor, thereby avoiding hypha adhesion.

Description

Sludge fermentation tank of homogeneous mixing material

Technical Field

The invention belongs to the field of sludge fermentation, and particularly relates to a sludge fermentation tank for uniformly mixing materials.

Background

As is well known, with the enlargement of urban scale, sewage generated in urban life and production is purified to form a huge amount of solid, semi-solid and liquid waste sludge. Contain silt, heavy metal, organic matter, multiple material such as microorganism in the mud that these municipal sewage treatment plant produced, direct emission can cause serious pollution to the environment, and mix crop waste materials such as straw with mud and ferment and make fertilizer, mix the stirring in-process to mud and straw, receive centrifugal force's influence, mud can be pushed to the jar wall, make mud distribute unevenly, influence the fermentation effect simultaneously, can produce the hypha among the sludge fermentation process, these hypha block up the breather pipe easily, mud ejection of compact in-process, its viscidity can be attached to on the pipe wall, influence normal ejection of compact.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides the sludge fermentation tank for uniformly mixing materials, which can roll back sludge pushed to the side wall due to stirring and centrifugation, improve the sludge coverage and fermentation effect, and simultaneously improve the fertilizer application effect by mixing sludge fermentation liquor in the discharging process.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a sludge fermentation tank of homogeneous mixing material, includes the casing, be equipped with the fermentation chamber in the casing, the fixed plate that is equipped with in the fermentation chamber, the fixed agitator motor that is equipped with on the lateral wall under the fermentation chamber, be equipped with the (mixing) shaft on agitator motor's the output, the (mixing) shaft upwards runs through the fixed plate, be equipped with sludge stirring device on the (mixing) shaft, sludge stirring device is used for mixing stirring such as mud and straw to can roll back the mud that pushes away on the lateral wall, avoid forming and pile up, the fixed air inlet pump that is equipped with on the casing right side wall, be equipped with air inlet unit on the air inlet pump, air inlet unit is.

Preferably, the lateral wall is gone up to the casing intercommunication and is equipped with the feed inlet of uncovered mouth, feed inlet and inlet pipe intercommunication, the feed inlet can be sealed with the inlet pipe junction.

Preferably, the sludge stirring device comprises two stirring rotating shafts which are rotationally arranged at the upper side of the stirring shaft and are bilaterally symmetrical, each stirring rotating shaft is fixedly provided with a movable wheel close to the stirring shaft, the side wall of the upper fixed plate is fixedly provided with an annular fixed ring rack, the fixed ring racks are meshed with the moving wheels, each fixed ring is fixedly provided with a mixing rotating plate, the mixing rotating plates are fixedly provided with rotating grooves, a guide groove is fixedly arranged on the rotating groove far away from the circle center end, a rotating wheel is fixedly arranged on each stirring rotating shaft far away from the circle center end, the rotating wheel is fixedly provided with an inclined rod, each guide groove is provided with a rotating reciprocating rod in a left-right sliding manner, the reciprocating rod is fixedly provided with a curved groove, the curved groove is provided with a sliding block in a sliding manner, the sliding block is fixedly connected with the inclined rod, and the end, far away from the circle center, of the reciprocating rod is fixedly provided with an inclined scraper.

Preferably, air inlet unit is including fixing feed inlet on the upper right lateral wall of fermentation chamber, the fixed imbibition mouth that is equipped with on the fermentation chamber left side wall, imbibition mouth stretches into in the zymotic fluid face, casing right side wall internal fixation is equipped with fixed trachea, the fixed feed liquor pipe that is equipped with on the fixed trachea upper wall, the feed liquor pipe with be connected with the pump that produces the negative pressure between the imbibition mouth, the fixed check valve that is equipped with on the fixed trachea right side wall, the check valve with be connected with the return bend between the air intake pump, the fixed zymotic fluid collection room that is equipped with on the fixed trachea lower wall.

Preferably, a discharge port is fixedly arranged on the front side wall of the fixed plate, a discharge stirring device is arranged on the lower side of the discharge port, and the discharge stirring device is used for fully stirring the discharged sludge and fermentation liquor.

Preferably, ejection of compact agitating unit is including fixing the mud pipe of discharge gate downside, the fixed hybrid motor that is equipped with on the mud pipe rear side wall, be equipped with the mixing shaft on hybrid motor's the output, the fixed six dwangs that are equipped with of annular on the mixing shaft, every the dwang is kept away from the centre of a circle and is served and rotate and be equipped with the butt shaft, every butt shaft front end is fixed to be equipped with the butt wheel, the butt wheel when changeing to the left and right sides with the lateral wall butt of mud pipe, the internal fixed U template that is equipped with of mud pipe, the butt rotate to the below with lateral wall butt on the U template, the fixed discharge gate that is equipped with on the lateral wall under the U template.

Preferably, the left side and the right side above the discharge port are respectively provided with a door blocking shaft in a rotating manner, the door blocking shafts are fixedly provided with doors, the left door and the right door can seal the upper end of the discharge port, the right side wall of the discharge port is fixedly provided with a fermentation liquor outlet, and a hose is connected between the fermentation liquor outlet and the fermentation liquor collecting chamber.

It is internal to pour mud and straw into the jar through the feed inlet, sealed feed inlet, it is rotatory to start agitator motor drive (mixing) shaft, make two left and right stirring pivots rotatory round the (mixing) shaft, remove the solid fixed ring rack of wheel meshing simultaneously, make the stirring pivot also the rotation in the rotation, it is rotatory to make the mixture change the board, carry out the overlay type stirring with mud and straw on the lateral wall on the fixed plate, accelerate the fermentation process of straw and mud, with abundant and the mud contact of straw, improve the fermentation effect.

Mix the rotatory drive rotation groove rotation of commentaries on classics board simultaneously, it is rotatory to make the guide way rotatory, it is rotatory that the stirring pivot rotates the drive runner, make the down tube rotate, it slides in the curved groove to drive the slider, make the reciprocating lever carry out reciprocating motion about, make oblique type scraper blade will push away to the mud on the fermentation intracavity lateral wall because of the stirring and drag to centre of a circle direction, avoid making outer lane mud too much and pile up because of the centrifugal force of stirring, influence normal fermentation process, and make mud pile up more evenly.

Air inlet pump starts and carries oxygen toward the fermentation intracavity through fixed trachea, improves jar interior bacterial fermentation reproduction efficiency, when pressure detector detected jar interior atmospheric pressure too high, then proves that the bacterium is too much, starts the imbibition mouth and takes out the mud zymotic fluid, leads to in fixed trachea through the feed liquor pipe, and the zymotic fluid flows into to the zymotic fluid and collects indoor being collected, washes the thallus of jam in jar simultaneously when through fixed trachea, avoids blockking up the ventilation pipe.

After the completion is to the fermentation of mud and straw, start the shutter axle, it is rotatory to drive the shutter, make the discharge gate not blockked, through the rotation of mixing the commentaries on classics board, push mud in to the discharge gate, the zymotic fluid in the zymotic fluid collecting chamber passes through the zymotic fluid export simultaneously and flows, mix with the mud that ferments, fall into to the U template on, it is rotatory to start hybrid machine drive mixing shaft, it is rotatory to drive the dwang, the butt joint wheel is with the fermentation back mud and the zymotic fluid stirring on the U template, push the interior ejection of compact of discharge gate, simultaneously with the fermented mud on the mud pipe lateral wall also scrape down, obtain more fermented mud. The process of scouring the side wall by the fermentation liquid improves the fertility of the fermented product, obtains more fermented sludge and produces more output.

Compared with the prior art, this sludge fermentation tank of homogeneous mixing material has following advantage:

1. the stirring pivot is also the rotation in rotatory for it is rotatory to mix the commentaries on classics board, carries out the overlay type stirring with mud and the straw on the lateral wall on the fixed plate, accelerates the fermentation process of straw and mud, with the abundant and mud contact of straw, improves the fermentation effect.

2. The inclined scraper blade pushes sludge on the inner side wall of the fermentation cavity to be dragged to the direction of the circle center due to stirring, so that the phenomenon that the sludge on the outer ring is too much and accumulated due to the centrifugal force of stirring to influence the normal fermentation process is avoided, and the sludge accumulation is more uniform.

3. The process of scouring the side wall by the fermentation liquid improves the fertility of the fermented product, obtains more fermented sludge and produces more output.

Drawings

FIG. 1 is a schematic view of a sludge fermenter for uniformly mixing materials.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 2.

Fig. 4 is an enlarged view of the structure at C in fig. 1.

In the figure, 10, fermentation chamber; 11. a moving wheel; 12. a stirring motor; 13. a stirring shaft; 14. a stirring rotating shaft; 15. fixing a ring rack; 16. a fixing plate; 17. a diagonal squeegee; 18. a mixing rotating plate; 19. a liquid suction port; 20. a feed inlet; 21. a pressure detector; 22. a liquid inlet pipe; 23. fixing the air pipe; 24. a one-way valve; 25. an intake pump; 26. a fermentation broth collection chamber; 27. a discharge port; 28. a shutter; 29. a rotating wheel; 30. a diagonal bar; 31. a slider; 32. a rotating groove; 33. bending a groove; 34. a reciprocating lever; 35. a guide groove; 36. a fermentation liquor outlet; 37. a shutter shaft; 38. a butting wheel; 39. a U-shaped plate; 40. a mud outlet pipe; 41. a discharge port; 42. a hybrid motor; 43. a mixing shaft; 44. rotating the rod; 45. abutting against the axle.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a sludge fermentation tank of homogeneous mixture material, which comprises a housing 10, be equipped with fermentation chamber 11 in the casing 10, fermentation chamber 11 internal fixation is equipped with fixed plate 17, fermentation chamber 11 is the fixed agitator motor 13 that is equipped with down on the lateral wall, be equipped with (mixing) shaft 14 on agitator motor 13's the output, fixed plate 17 is upwards run through to (mixing) shaft 14, be equipped with mud agitating unit on the (mixing) shaft 14, mud agitating unit is used for mixing stirring such as mud and straw, and can roll back the mud that pushes away on the lateral wall, avoid forming and pile up, the fixed air intake pump 26 that is equipped with on the casing 10 right side wall, be equipped with air inlet unit on the air intake pump 26, air inlet unit.

As shown in FIG. 1, an open feed port 21 is communicated with the upper side wall of the housing 10, the feed port 21 is communicated with the feed pipe, and the connection between the feed port 21 and the feed pipe can be sealed.

As shown in figure 1 of the drawings, in which, as shown in fig. 2 and 4, the sludge stirring apparatus includes two stirring rotating shafts 15 which are rotationally disposed at the upper side of the stirring shaft 14 and are bilaterally symmetric, a moving wheel 12 is fixedly disposed on each stirring rotating shaft 15 near the stirring shaft 14, an annular fixing ring rack 16 is fixedly disposed on the upper side wall of the fixing plate 17, the fixing ring rack 16 is engaged with the moving wheel 12, a mixing rotating plate 19 is fixedly disposed on each stirring rotating shaft, a rotating groove 33 is fixedly disposed on the mixing rotating plate 19, a guide groove 36 is fixedly disposed on the rotating groove 33 and far away from the center of circle end, a rotating wheel 30 is fixedly disposed on each stirring rotating shaft 15 and far away from the center of circle end, an inclined rod 31 is fixedly disposed on the rotating wheel 30, a rotating reciprocating rod 35 is disposed on each guide groove 36 in a left-right sliding manner, a curved groove 34 is fixedly disposed on the reciprocating rod 35, a sliding block 32 is slidably disposed on the curved groove 34, the sliding block 32.

As shown in fig. 1, the air inlet device includes a feed inlet 21 fixed on the upper right side wall of the fermentation cavity 11, a liquid suction port 20 is fixedly arranged on the left side wall of the fermentation cavity 11, the liquid suction port 20 extends into the fermentation liquid surface, a fixed air pipe 24 is fixedly arranged in the right side wall of the shell 10, a liquid inlet pipe 23 is fixedly arranged on the upper side wall of the fixed air pipe 24, a pump for generating negative pressure is connected between the liquid inlet pipe 23 and the liquid suction port 20, a check valve 25 is fixedly arranged on the right side wall of the fixed air pipe 24, an elbow pipe is connected between the check valve 25 and the air inlet pump 26, and a fermentation liquid collecting chamber 27 is fixedly arranged on the.

As shown in fig. 1, 2 and 3, a discharge port 28 is fixedly arranged on the front side wall of the fixing plate 17, and a discharge stirring device is arranged below the discharge port 28 and is used for fully stirring discharged sludge and fermentation liquor.

As shown in fig. 3, the discharging and stirring device comprises a mud discharging pipe 41 fixed on the lower side of the discharging port 28, a mixing motor 43 is fixedly arranged on the rear side wall of the mud discharging pipe 41, a mixing shaft 44 is arranged on the output end of the mixing motor 43, six rotating rods 45 are fixedly arranged on the mixing shaft 44, each rotating rod 45 is far away from the circle center and is rotatably provided with an abutting wheel shaft 46, the front end of each abutting wheel shaft 46 is fixedly provided with an abutting wheel 39, the abutting wheel 39 abuts against the side wall of the mud discharging pipe 41 when rotating to the left side and the right side, a U-shaped plate 40 is fixedly arranged in the mud discharging pipe 41, the abutting wheel 39 abuts against the side wall of the U-shaped plate 40 when rotating to the lower side, and a discharging port.

As shown in fig. 2 and 3, a door shaft 38 is rotatably disposed on each of the left and right sides above the discharge port 28, a door 29 is fixedly disposed on the door shaft 38, the left and right doors 29 can close the upper end of the discharge port 28, a fermentation liquid outlet 37 is fixedly disposed on the right side wall of the discharge port 28, and a hose is connected between the fermentation liquid outlet 37 and the fermentation liquid collecting chamber 27.

It is internal to pour mud and straw into the jar through feed inlet 21, sealed feed inlet 21, it is rotatory to start agitator motor 13 and drive (mixing) shaft 14, make two left and right stirring pivot 15 rotatory round (mixing) shaft 14, remove the solid fixed ring rack 16 of 12 meshing of wheel simultaneously, make stirring pivot 15 also the rotation in rotatory, make and mix commentaries on classics board 19 rotatory, carry out the overlay type stirring with mud and straw on the lateral wall on the fixed plate 17, the fermentation process of straw and mud with higher speed, with the abundant and mud contact of straw, improve the fermentation effect.

Simultaneously it is rotatory that mixed commentaries on classics board 19 rotates and drives rotation groove 33, it is rotatory to make guide way 36 rotatory, stirring pivot 15 rotates and drives runner 30 rotatory, make down tube 31 rotate, it slides in curved groove 34 to drive slider 32, make reciprocating lever 35 carry out left and right sides reciprocating motion, make oblique type scraper blade 18 will push away the mud on the fermentation chamber 11 inside wall because of the stirring and drag to centre of a circle direction, avoid making outer lane mud too much and piling up because of the centrifugal force of stirring, influence normal fermentation process, and make mud pile up more evenly.

Air inlet pump 26 starts and carries oxygen in toward fermentation chamber 11 through fixed trachea 24, improve jar interior bacterium fermentation reproduction efficiency, when pressure detector 22 detected jar interior atmospheric pressure when too high, then prove that the bacterium is too much, start imbibition mouth 20 and take out the mud zymotic fluid, lead to in fixed trachea 24 through feed liquor pipe 23, the zymotic fluid flows into to be collected in zymotic fluid collection room 27, the thallus of jam in to the jar is washed when through fixed trachea 24 simultaneously, avoid blockking up the ventilation pipe.

After the fermentation of mud and straw is accomplished, start door axle 38, it is rotatory to drive door 29, make discharge gate 28 not blockked, through the rotation of mixing commentaries on classics board 19, push mud in discharge gate 28, the zymotic fluid in the zymotic fluid collecting chamber 27 flows out through zymotic fluid export 37 simultaneously, mix with fermented mud, fall into to U template 40 on, start hybrid motor 43 and drive mixing shaft 44 rotatory, it is rotatory to drive dwang 45, butt wheel 39 stirs fermented mud and zymotic fluid on the U template 40, push the interior ejection of compact of discharge gate 42, simultaneously scrape the fermented mud on the mud pipe 41 lateral wall down also, obtain more fermented mud. The process of scouring the side wall by the fermentation liquid improves the fertility of the fermented product, obtains more fermented sludge and produces more output.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. A sludge fermentation tank for uniformly mixing materials comprises a shell (10) and is characterized in that, a fermentation cavity (11) is arranged in the shell (10), a fixing plate (17) is fixedly arranged in the fermentation cavity (11), a stirring motor (13) is fixedly arranged on the lower side wall of the fermentation cavity (11), a stirring shaft (14) is arranged on the output end of the stirring motor (13), the stirring shaft (14) upwards penetrates through the fixed plate (17), a sludge stirring device is arranged on the stirring shaft (14), the sludge stirring device is used for mixing and stirring sludge, straws and the like, and can roll back the sludge pushed to the side wall to avoid accumulation, an air inlet pump (26) is fixedly arranged on the right side wall of the shell (10), and an air inlet device is arranged on the air inlet pump (26) and is used for introducing oxygen into the fermentation cavity (11).

2. The sludge fermentation tank for uniformly mixing materials as claimed in claim 1, wherein: the feed inlet (21) that the intercommunication was equipped with uncovered opening on the lateral wall on casing (10), feed inlet (21) and inlet pipe intercommunication, feed inlet (21) and inlet pipe junction can be sealed.

3. The sludge fermentation tank for uniformly mixing materials as claimed in claim 2, wherein: the sludge stirring device comprises two stirring rotating shafts (15) which are rotationally arranged on the upper side of the stirring shaft (14) and are bilaterally symmetrical, each stirring rotating shaft (15) is close to the stirring shaft (14), a movable wheel (12) is fixedly arranged on the stirring shaft, an annular fixed ring rack (16) is fixedly arranged on the upper side wall of a fixed plate (17), the fixed ring rack (16) is meshed with the movable wheel (12), a mixed rotating plate (19) is fixedly arranged on each stirring rotating plate (19), a rotating groove (33) is fixedly arranged on the mixed rotating plate (19), a guide groove (36) is fixedly arranged on the rotating groove (33) far away from the circle center end, a rotating wheel (30) is fixedly arranged on the end, an inclined rod (31) is fixedly arranged on the rotating wheel (30), and a rotating reciprocating rod (35) is arranged on each guide groove (36) in a leftward and rightward sliding manner, reciprocating lever (35) are gone up to be fixed and are equipped with curved groove (34), slide on curved groove (34) and be equipped with slider (32), slider (32) with down tube (31) fixed connection, reciprocating lever (35) are kept away from centre of a circle and are served and fixedly be equipped with oblique type scraper blade (18).

4. The sludge fermentation tank for uniformly mixing materials as claimed in claim 3, wherein: air inlet unit is including fixing feed inlet (21) on fermentation chamber (11) upper right lateral wall, the fixed imbibition mouth (20) that is equipped with on fermentation chamber (11) left side wall, imbibition mouth (20) stretches into in the zymotic fluid face, casing (10) right side wall internal fixation is equipped with fixed trachea (24), fixed being equipped with feed liquor pipe (23) on fixed trachea (24) upper side wall, feed liquor pipe (23) with be connected with the pump that produces the negative pressure between imbibition mouth (20), fixed being equipped with check valve (25) on fixed trachea (24) right side wall, check valve (25) with be connected with the return bend between air inlet pump (26), fixed being equipped with zymotic fluid collection room (27) under fixed trachea (24) on the lateral wall.

5. The sludge fermentation tank for uniformly mixing materials as claimed in claim 4, wherein: the sludge fermentation tank is characterized in that a discharge port (28) is fixedly arranged on the front side wall of the fixing plate (17), a discharge stirring device is arranged on the lower side of the discharge port (28), and the discharge stirring device is used for fully stirring discharged sludge and fermentation liquor.

6. The sludge fermentation tank for uniformly mixing materials as claimed in claim 5, wherein: ejection of compact agitating unit is including fixing mud pipe (41) of discharge gate (28) downside, fixed be equipped with hybrid motor (43) on mud pipe (41) rear side wall, be equipped with mixing shaft (44) on the output of hybrid motor (43), annular is fixed to be equipped with six dwang (45) on mixing shaft (44), every dwang (45) are kept away from centre of a circle and are served and rotate and be equipped with butt shaft (46), every butt shaft (46) front end is fixed to be equipped with butt wheel (39), butt wheel (39) when changeing to the left and right sides with the lateral wall butt of mud pipe (41), mud pipe (41) internal fixation is equipped with U template (40), butt wheel (39) when changeing to the below with lateral wall butt on U template (40), fixed discharge gate (42) that is equipped with on the lateral wall under U template (40).

7. The sludge fermentation tank for uniformly mixing materials as claimed in claim 6, wherein: each rotation is equipped with a shutter axle (38) on discharge gate (28) top left and right sides, fixed shutter (29) that are equipped with on shutter axle (38), two shutter (29) can seal about, discharge gate (28) upper end, fixed fermentation liquid export (37) that are equipped with on discharge gate (28) the right side wall, fermentation liquid export (37) with be connected with the hose between fermentation liquid collection room (27).

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