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CN-224212596-U - Superheated steam cracking tank

CN224212596UCN 224212596 UCN224212596 UCN 224212596UCN-224212596-U

Abstract

The utility model provides a superheated steam cracking tank, which comprises a tank body, a main shaft and a stirring assembly, wherein the stirring assembly is connected to the lower end part of the main shaft, at least two first pressurizing steam ports symmetrically distributed on two sides of the main shaft are arranged on an upper elliptical head, at least four second pressurizing steam ports uniformly distributed along the axis line of the tank body are arranged on the tank body, at least two third pressurizing steam ports symmetrically distributed on two sides of a discharging port are arranged on a lower elliptical head, so that the arrangement of the pressurizing steam ports is more reasonable, high-pressure superheated steam can be fed into the tank body from multiple directions, the materials in the tank body are heated more uniformly, and the stirring assembly comprises a cross-shaped bracket, a main stirring shaft connected on the lower surface of the bracket and coaxial with the main shaft, an auxiliary stirring shaft spaced from the main stirring shaft, spiral guide sheets connected to the outer wall of the main stirring shaft and oblique guide sheets connected to the bottom of the auxiliary stirring shaft.

Inventors

  • WANG SHANGSONG

Assignees

  • 苏州市锦翔压力容器制造有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. A superheated steam cracking vessel comprising: The tank body comprises an upper elliptical head, a cylindrical tank body and a lower elliptical head which are sequentially connected from top to bottom, wherein a feed inlet is formed in the eccentric part of the upper elliptical head, and a discharge outlet is formed in the center of the lower elliptical head; the main shaft is rotatably inserted into the tank body, the upper end part of the main shaft is connected with a driving assembly for driving the main shaft to rotate, and the lower end part of the main shaft downwards penetrates through the center of the upper elliptical head and downwards extends; The stirring assembly is positioned in the tank body and the lower elliptical head, and is connected to the lower end part of the main shaft; the method is characterized in that: the upper elliptical sealing head is provided with at least two first pressurizing steam ports which are symmetrically distributed on two sides of the main shaft, the tank body is provided with at least four second pressurizing steam ports which are uniformly distributed along the axial lead of the tank body, the lower elliptical sealing head is provided with at least two third pressurizing steam ports which are symmetrically distributed on two sides of the discharging port; The stirring assembly comprises a support, a main stirring shaft, an auxiliary stirring shaft, a spiral guide vane and an oblique guide vane, wherein the support is cross-shaped, the center of the support is connected with the lower end part of the main shaft, the main stirring shaft is connected with the lower surface of the support and is coaxial with the main shaft, the auxiliary stirring shaft is connected with the lower surface of the support and extends downwards, the auxiliary stirring shaft is arranged at intervals with the main stirring shaft, the spiral guide vane is connected with the outer wall of the main stirring shaft, and the oblique guide vane is connected with the bottom of the auxiliary stirring shaft and is spaced with the inner wall of the lower elliptical head.
  2. 2. The superheated steam cracking pot of claim 1, wherein the distance between the axis of the first pressurized steam port and the axis of the pot body is greater than or equal to the distance between the axis of the third pressurized steam port and the axis of the pot body, and the height of the second pressurized steam port is lower than the support.
  3. 3. The superheated steam cracking pot of claim 1, wherein the support comprises a center sleeve and four triangular beams connected to the outer wall of the center sleeve, the center sleeve is sleeved at the lower end part of the main shaft, the triangular beams are used for being connected with the auxiliary stirring shaft, one side face of each triangular beam is perpendicular to the bottom face of each triangular beam, the other side face of each triangular beam is an inclined face, and all inclined faces are uniformly distributed around the axis of the main shaft.
  4. 4. The superheated steam cracking vessel according to claim 3, wherein the number of the auxiliary stirring shafts connected to the bottom surfaces of the adjacent triangular beams is different, and the distances between the axes of the auxiliary stirring shafts and the axis of the vessel body are not equal.
  5. 5. The superheated steam cracking pot according to claim 1, wherein the lower end of the main stirring shaft is contracted inwards to form a small-diameter section below the spiral guide vane, the outer wall of the small-diameter section is connected with an outwards extending discharging stirring plate, the discharging stirring plate is obliquely arranged, and when the main shaft rotates, the discharging stirring plate pushes materials to the discharging port.
  6. 6. The superheated steam cracking pot of claim 5, wherein the bottom of the small diameter section is also connected with a conical guide cover, the conical guide cover is a hollow cover, and the conical guide cover extends into the discharge hole.
  7. 7. The superheated steam cracking vessel according to claim 1, wherein the inclined direction of the inclined deflector is parallel to the tangential direction of the lower elliptical head in a longitudinal section.
  8. 8. The superheated steam cracking pot of claim 1, wherein the stirring assembly further comprises a middle guide vane arranged on the auxiliary stirring shaft, the middle guide vane is obliquely arranged, and the middle guide vane is composed of flange plates at the end parts of two butt joint sections of the auxiliary stirring shaft.
  9. 9. The superheated steam cracking pot of claim 1, wherein the upper elliptical head is further provided with an exhaust port, a thermometer connector, a pressure gauge connector, a safety valve connector and a manhole, and the distance between the axes of the exhaust port, the thermometer connector, the pressure gauge connector and the safety valve connector and the axis of the pot body is equal to the distance between the axis of the first pressurized steam port and the axis of the pot body, and the distance between the axis of the manhole and the axis of the pot body is greater than the distance between the axis of the first pressurized steam port and the axis of the pot body.
  10. 10. The superheated steam cracking pot of claim 1, wherein the driving assembly comprises a supporting frame connected to the upper elliptical head, a speed reducer arranged on the supporting frame, and a motor for driving the speed reducer, and the output end of the speed reducer is connected with the upper end part of the main shaft through a coupler.

Description

Superheated steam cracking tank Technical Field The utility model relates to the technical field of pyrolysis, in particular to a superheated steam pyrolysis tank. Background In rural areas, the scale of traditional aquaculture is smaller, animal manure is mostly fermented and decomposed by entering a septic tank or directly being applied to a field, but along with the development of aquaculture, the scale of the animal manure is larger and larger, the traditional decomposition mode is difficult to be applied, meanwhile, the treatment of straws in the field is problematic, the straws are burnt in the past, but air is polluted, and the straws are mostly deposited in the field for natural fermentation and decomposition, so that the decomposition efficiency is low, and secondary pollution of soil is easily caused, and in order to solve the problem, cracking tanks for preparing organic fertilizer by using mixed animal manure and straws as raw materials through heating and accelerating fermentation and decomposition are appeared in the market, such as Chinese patent CN112958010A, CN213569968U discloses the cracking tanks, but the cracking tanks mostly have the following problems: 1. The uniformity of heating is not good, so that the uniformity of heating of materials in the tank body is poor, and the fermentation decomposition degree of each part is inconsistent. 2. The mixing degree of the materials in the tank body is low, and the quality of the final fertilizer is difficult to improve. Disclosure of utility model The present utility model is directed to solving one or more of the problems of the prior art and to providing a superheated steam cracking vessel. In order to achieve the above purpose, the utility model adopts the technical scheme that the superheated steam cracking tank comprises: The tank body comprises an upper elliptical head, a cylindrical tank body and a lower elliptical head which are sequentially connected from top to bottom, wherein a feed inlet is formed in the eccentric part of the upper elliptical head, and a discharge outlet is formed in the center of the lower elliptical head; the main shaft is rotatably inserted into the tank body, the upper end part of the main shaft is connected with a driving assembly for driving the main shaft to rotate, and the lower end part of the main shaft downwards penetrates through the center of the upper elliptical head and downwards extends; The stirring assembly is positioned in the tank body and the lower elliptical head, and is connected to the lower end part of the main shaft; the upper elliptical sealing head is provided with at least two first pressurizing steam ports which are symmetrically distributed on two sides of the main shaft, the tank body is provided with at least four second pressurizing steam ports which are uniformly distributed along the axial lead of the tank body, the lower elliptical sealing head is provided with at least two third pressurizing steam ports which are symmetrically distributed on two sides of the discharging port; The stirring assembly comprises a support, a main stirring shaft, an auxiliary stirring shaft, a spiral guide vane and an oblique guide vane, wherein the support is cross-shaped, the center of the support is connected with the lower end part of the main shaft, the main stirring shaft is connected with the lower surface of the support and is coaxial with the main shaft, the auxiliary stirring shaft is connected with the lower surface of the support and extends downwards, the auxiliary stirring shaft is arranged at intervals with the main stirring shaft, the spiral guide vane is connected with the outer wall of the main stirring shaft, and the oblique guide vane is connected with the bottom of the auxiliary stirring shaft and is spaced with the inner wall of the lower elliptical head. Preferably, the distance between the axial lead of the first pressurizing steam port and the axial lead of the tank body is greater than or equal to the distance between the axial lead of the third pressurizing steam port and the axial lead of the tank body, and the height of the second pressurizing steam port is lower than the bracket. Preferably, the support comprises a center sleeve and four triangular beams connected to the outer wall of the center sleeve, the center sleeve is sleeved at the lower end part of the main shaft, the triangular beams are used for being connected with the auxiliary stirring shaft, one side face of each triangular beam is perpendicular to the bottom face of each triangular beam, the other side face of each triangular beam is an inclined face, and all inclined faces are uniformly distributed around the axis of the main shaft. Further preferably, the number of the auxiliary stirring shafts connected to the bottom surfaces of the adjacent triangular beams is different, and the distances between the axes of the auxiliary stirring shafts and the axis of the tank body are not equal. Preferably, the lowe