CN211255646U - Stirring structure of anaerobic digestion tank - Google Patents

Abstract

The utility model relates to a stirring structure of anaerobic digestion jar, including base, the digestion jar body, draft tube and rabbling mechanism, the rabbling mechanism passes through the transmission shaft and is connected with buncher, wherein: the bottom of the digestion tank body is of an arch structure, a jet mechanism is arranged between the inside of the digestion tank body and the guide cylinder, two ends of the bottom of the digestion tank body are respectively provided with a double discharging mechanism, the jet mechanism comprises impact plates fixedly arranged at two ends of the top of the guide cylinder and jet ports which are positioned below the impact plates and fixed on the inner wall of the digestion tank body, the double discharging mechanism comprises an elliptical blade connected with a stirring mechanism, a plurality of cleaning teeth fixedly connected with two ends of the elliptical blade and a discharging valve port which is positioned below the cleaning teeth and communicated with the bottom of the digestion tank body, each jet port is respectively communicated with a liquid inlet one-way valve pipe arranged outside the digestion tank body, and the liquid inlet one-way valve pipe is communicated with the pyrolysis. The stirring efficiency of the sludge solution in the digestion tank body is improved through jet stirring, the stirring dead zone is eliminated, and the uniformity of a mechanical stirring structure is improved.

Description

Stirring structure of anaerobic digestion tank

Technical Field

The utility model relates to a sludge solution handles technical field, specifically is a stirring structure of anaerobic digestion jar.

Background

At present, the annual production of sludge solution by urban sewage treatment plants in China reaches more than thirty million tons, the traditional treatment methods comprise landfill, land utilization and the like, but follow-up research finds that both the two methods generate serious environmental pollution problems, and how to realize the recycling of the sludge solution becomes the key research point of the sewage treatment technology, wherein the anaerobic digestion of the sludge solution to generate methane is a common mode in the existing recycling technology, the sludge solution can be subjected to anaerobic digestion to generate methane and other recyclable resources, but the stirring structure of the existing anaerobic digestion tank still has some problems needing to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a stirring structure of an anaerobic digestion tank, which is provided with uniform stirring. Has the advantages of multifunction and anti-blocking, and solves the problems mentioned in the background technology.

The utility model provides a following technical scheme:

the utility model provides a stirring structure of anaerobic digestion jar, includes the base and rather than the digestion jar body of adorning admittedly, is equipped with draft tube and the rabbling mechanism that is located the draft tube in the digestion jar body, the rabbling mechanism passes through the transmission shaft and is connected its characterized in that with the buncher of adorning at the external top of digestion jar admittedly: the bottom of the digestion tank body is of an arch structure, a jet mechanism is arranged between the inside of the digestion tank body and the guide cylinder, two discharging mechanisms are respectively arranged at two ends of the bottom of the digestion tank body, the jet mechanism comprises impact plates fixedly arranged at two ends of the top of the guide cylinder and jet ports which are positioned below the impact plates and fixed on the inner wall of the digestion tank body, each jet port is respectively communicated with a liquid inlet one-way valve pipe arranged outside the digestion tank body, and each jet port comprises an elliptical blade connected with a stirring mechanism, a plurality of material cleaning teeth fixedly connected with two ends of the elliptical blade and a discharging valve port which is positioned below the material cleaning teeth and communicated with the bottom of the digestion tank body, and the liquid inlet one-way valve pipe is communicated with the pyrolysis reaction kettle through a main conveying pipe.

Preferably, two ends of the bottom surface of the elliptical blade are respectively and fixedly connected with a material cleaning rod, and the bottom surfaces of the material cleaning rods at the two ends of the bottom surface of the elliptical blade are fixedly connected with three material cleaning teeth.

Preferably, the top of the main conveying pipe is fixedly sleeved with two liquid inlet one-way valve pipes, and one end of each liquid inlet one-way valve pipe is fixedly sleeved with a jet orifice.

Preferably, the outer side of the transmission shaft is fixedly sleeved with three stirring blades, and the diameters of the stirring blades are smaller than the inner diameter of the guide shell.

Preferably, the inside card of draft tube is equipped with the through-hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a sludge pump utilizes main delivery pipe and feed liquor check valve pipe to carry to the jet with the inside mixed sludge solution of pyrolysis reaction cauldron, spray the one side to the impact plate by the jet, use through the cooperation between impact plate and the jet, constitute efflux stirring structure, and under the buncher drives, the transmission shaft is connected the mechanical stirring structure of constituteing with the stirring leaf cooperation and is mutually joined in marriage the use, accelerate the stirring efficiency to the internal portion sludge solution of digestion tank, shorten the churning time, reduce the live time of mechanical stirring structure when improving the stirring degree of consistency, reduce the processing cost, and draft tube structure uses with the stirring leaf cooperation, the degree of turbulence when multiplicable stirring leaf stirs, eliminate the stirring blind spot, can further improve the degree of consistency of mechanical stirring structure.

2. The utility model discloses an oval leaf drives and expects the tooth clearly and can separate sludge solution to the bottom both sides of the digester body, through two ejection of compact structures, reduces the ejection of compact pressure of the digester body to clear material tooth and oval leaf are under the drive of transmission shaft, can incessantly break up digester body bottom sludge solution, avoid it to cohere together, prevent to block up, improve the practicality of device and increase the function of stirring structure.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the digester body of the present invention;

fig. 3 is an enlarged view of a portion a in the structure of fig. 1 of the present invention.

In the figure: 1. a base; 2. a digestion tank body; 3. a discharge valve port; 4. a supporting seat; 5. cleaning teeth; 6. An oval leaf; 7. a drive shaft; 8. stirring blades; 9. a speed-regulating motor; 10. a draft tube; 11. fixing the rod; 12. an air outlet; 13. an impact plate; 14. an ejection port; 15. a first shaft seal; 16. a second shaft seal; 17. A liquid inlet check valve pipe; 18. a main conveying pipe; 19. a sludge pump; 20. a pyrolysis reaction kettle; 21. transparent glass; 22. a temperature control layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to figures 1-3 of the drawings,

the utility model provides a stirring structure of anaerobic digestion jar, includes base 1 and rather than the digestion jar body 2 of adorning admittedly, the bottom surface middle part fixedly connected with supporting seat 4 of the digestion jar body, the top surface of the bottom surface fixed connection base of supporting seat, at the fixed cover of the opposite side of the top surface of the digestion jar body and have connect gas outlet 12, the outside fixedly connected with dead lever 11 of draft tube, the fixed cover of dead lever is connected in the inside of the digestion jar body. A guide shell 10 and a stirring mechanism positioned in the guide shell are arranged in the digestion tank body, and the stirring mechanism is connected with a speed regulating motor 9 fixedly arranged at the top outside the digestion tank body through a transmission shaft 7. The bottom of the digestion tank body is designed to be an arch structure, a jet mechanism is arranged between the interior of the digestion tank body and the guide cylinder, and two discharging mechanisms are respectively arranged at two ends of the bottom of the digestion tank body. The jet mechanism comprises impact plates 13 fixedly arranged at two ends of the top of the guide shell and jet ports 14 which are positioned below the impact plates and fixed on the inner wall of the digestion tank body, each jet port is respectively communicated with a liquid inlet one-way valve pipe 17 arranged outside the digestion tank body, and the liquid inlet one-way valve pipe is communicated with a pyrolysis reaction kettle 20 through a main conveying pipe 18. The double-discharging mechanism comprises an elliptical blade 6 connected with the stirring mechanism, a plurality of material cleaning teeth 5 fixedly connected with two ends of the elliptical blade, and a discharging valve port 3 positioned below the material cleaning teeth and communicated with the bottom of the digester tank body, and the double-discharging mechanism adopts a double-discharging structure to reduce the discharging pressure of the digester tank body. The top surface fixed connection of oval leaf 6 is in the bottom of transmission shaft, and the fixed cover in the outside of transmission shaft has connect stirring leaf 8, the top fixed connection of transmission shaft 7 is in the bottom of buncher 9, and the top outside activity of transmission shaft 7 is cup jointed in the inside of primary shaft seal 15, and the bottom surface fixed connection of primary shaft seal 15 is in the top surface middle part of the digester body 2.

The outside of feed liquor check valve pipe 17 is fixedly sleeved with a second shaft seal 16, one side of the second shaft seal 16 is fixedly connected with the outside of the top of the digester body, the other end of the feed liquor check valve pipe is fixedly sleeved on one side of the top of a main conveying pipe 18, the main conveying pipe is fixedly sleeved on two sides of a sludge pump 19, the other end of the main conveying pipe 18 is fixedly sleeved on one side of the bottom of a pyrolysis reaction kettle 20, the outside of the digester body is fixedly sleeved with a temperature control layer 22, and a transparent glass window 21 convenient for observation is fixedly arranged on the upper portion of the digester body.

Wherein, the fixed two ejection of compact valve ports 3 that have cup jointed in the bottom of the digester body, and 2 bottom surfaces of the digester body middle parts are the arch, change traditional haplopore ejection of compact structure, wherein, clear material pole of each fixedly connected with in 6 bottom surfaces both ends of oval leaf, and the clear material tooth 5 of the three clear material of clear material pole bottom surface fixedly connected with at 6 bottom surfaces both ends of oval leaf, clear material tooth 5 and oval leaf 6 are under the drive of transmission shaft 7, can incessant break up 2 bottom sludge solution of the digester body, avoid it to cohere together, prevent to block up, improve the practicality of device and the function that increases the stirring structure.

Wherein, two liquid inlet check valve pipes 17 have been cup jointed to the top of main delivery pipe 18 is fixed, and each fixed cover of one end of every liquid inlet check valve pipe 17 has connect a jet 14, the top of every jet 14 all is equipped with an impingement plate 13, use through the cooperation between impingement plate 13 and the jet 14, constitute efflux stirring structure, with transmission shaft 7 and the mechanical stirring structure of stirring leaf 8 cooperation connection constitution use of mutually supporting, accelerate the stirring efficiency to the inside sludge solution of the digestion tank body 2, shorten the churning time, reduce the live time of mechanical stirring structure when improving the stirring degree of consistency, reduce the processing cost.

Wherein, the fixed three stirring leaf 8 that has cup jointed in the outside of transmission shaft 7, and the diameter value of stirring leaf 8 is less than the inside diameter value of draft tube 10, through under the driving of buncher 9, the mechanical stirring structure of constituteing is connected with stirring leaf 8 to transmission shaft 7 and the cooperation, perfects device infrastructure, for follow-up device stirring with prevent blockking up the motion and carry out worker power transmission structure, guarantee the rationality of device.

Wherein, the inside card of draft tube 10 is equipped with the through-hole, and draft tube 10 structure and stirring leaf 8 cooperation are used, and turbulence degree when multiplicable stirring leaf 8 stirs eliminates the stirring blind spot, can further improve the degree of consistency of mechanical stirring structure.

The working principle is as follows: during the use, open sludge pump 19 and feed liquor check valve pipe 17, the inside sludge solution of pyrolysis reaction cauldron 20 passes through main delivery pipe 18, feed liquor check valve pipe 17 carries to the inside of jet 14, and then spray to one side of strikeplate 13, carry out the efflux stirring to sludge solution, start buncher 9 simultaneously, drive transmission shaft 7, stirring leaf 8 and oval leaf 6, carry out mechanical stirring, mutually support with the efflux stirring, accelerate the integrated device to sludge solution's stirring rate and degree of consistency, when the bottom surface visual observation of the inside solution liquid level of digester jar body 2 reachs clear glass window 21, close sludge pump 19, stop carrying sludge solution, then close feed liquor check valve pipe 17. At the moment, the device only carries out mechanical stirring, after the inside anaerobic digestion of device is accomplished, reduces the rotational speed of buncher 9, opens the sealed lid of gas outlet 12 and is connected with marsh gas collection device, absorbs the inside marsh gas of digester body 2, opens ejection of compact valve port 3 and collects the residue after the anaerobic digestion, and oval leaf 6 and clear material tooth 5 are driven under the low speed of transmission shaft 7 and buncher 9, constantly breaks up the residue of digester body 2 bottom inboard, avoids going out the jam.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a stirring structure of anaerobic digestion jar, includes base (1) and rather than the digestion jar body (2) of adorning admittedly, is equipped with draft tube (10) and the rabbling mechanism that is located the draft tube in the digestion jar body, the rabbling mechanism passes through transmission shaft (7) and is connected its characterized in that with the buncher of adorning admittedly at the external top of digestion jar: the bottom of the digestion tank body (2) is of an arch structure, a jet mechanism is arranged between the inside of the digestion tank body and the guide cylinder, two ends of the bottom of the digestion tank body (2) are respectively provided with a double discharging mechanism, the jet mechanism comprises impact plates (13) fixedly arranged at two ends of the top of the guide cylinder and jet ports (14) which are positioned below the impact plates and fixed on the inner wall of the digestion tank body, the double discharging mechanism comprises an elliptical blade (6) connected with a stirring mechanism, a plurality of material cleaning teeth (5) fixedly connected with two ends of the elliptical blade and a discharging valve port (3) which is positioned below the material cleaning teeth and communicated with the bottom of the digestion tank body, each jet port is respectively communicated with a liquid inlet one-way valve pipe (17) arranged outside the digestion tank body, and the liquid inlet one-way valve pipe is communicated with a pyrolysis reaction kettle (20) through a main; the outer part of the digestion tank body is fixedly sleeved with a temperature control layer (22), and the upper part of the digestion tank body is fixedly provided with a transparent glass window (21) convenient for observation.

2. The agitation structure of an anaerobic digestion tank, according to claim 1, wherein: the two ends of the bottom surface of the elliptic blade (6) are respectively and fixedly connected with a material cleaning rod, and the bottom surfaces of the material cleaning rods at the two ends of the bottom surface of the elliptic blade (6) are fixedly connected with three material cleaning teeth (5).

3. The agitation structure of an anaerobic digestion tank, according to claim 1, wherein: two liquid inlet one-way valve pipes (17) are fixedly sleeved at the top of the main conveying pipe (18), and one end of each liquid inlet one-way valve pipe (17) is fixedly sleeved with a jet orifice (14).

4. The agitation structure of an anaerobic digestion tank, according to claim 1, wherein: three stirring blades (8) are fixedly sleeved on the transmission shaft (7), and the diameter of each stirring blade (8) is smaller than the inner diameter value of the guide cylinder (10).

5. The agitation structure of an anaerobic digestion tank, according to claim 1, wherein: the inside of draft tube (10) is blocked and provided with a through hole.

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