CN212293288U

CN212293288U - Sludge hydrolysis reaction kettle

Info

Publication number: CN212293288U
Application number: CN202020803250.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Tianjin Yuchuan Jinhong Environmental Protection Technology Co ltd
Current assignee: Tianjin Yuchuan Jinhong Environmental Protection Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-05
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a sludge hydrolysis reaction cauldron, which comprises a tank body, the inside cavity of the jar body, the top of the jar body is equipped with feed inlet and gas outlet, the bottom of the jar body is equipped with the discharge gate, the bottom and the steam house steward of the jar body are linked together, the last intercommunication of steam house steward is equipped with a plurality of steam and divides the pipe, and is a plurality of steam is divided the pipe and is linked together with the lateral wall of the jar body. According to the sludge hydrolysis reaction kettle, high-temperature steam is simultaneously introduced into the bottom and the side wall of the tank body, so that the sludge in the tank body can be heated at the center and near the wall at the same time when the steam is input, and the phenomenon that the sludge is heated unevenly at the center and near the wall is relieved; the existence of steam tubulation can improve the input height of steam, alleviates mud upper portion and the difference of being heated of lower part, and the tangent line formula of steam tubulation inserts, can provide the power of rotation in a circumferential direction for the internal mud of jar, accelerates being heated comprehensively of mud.

Description

Sludge hydrolysis reaction kettle

Technical Field

The utility model relates to a sludge treatment equipment technical field especially relates to a sludge hydrolysis reaction cauldron.

Background

Sludge is a byproduct in a sewage treatment process, sludge pyrohydrolysis is a common treatment technology for reducing and recycling sludge, the pyrohydrolysis of sludge is to place the sludge to be treated in a closed container tank, part of cells in the sludge are broken due to thermal expansion under certain temperature and pressure conditions, so that the purpose of releasing organic matters such as cell protein, colloid and the like is achieved, the dissolution and hydrolysis of the organic matters are promoted, in the prior art, the pyrohydrolysis of the sludge is to inject high-temperature steam into the tank body, heat the sludge to the high temperature of 160-170 ℃ and biodegrade the sludge, in the prior art, the input end of the high-temperature steam is usually arranged at the tank bottom, because the specific gravity and the viscosity of the sludge are large, the volume of the tank body of the pyrohydrolysis is large, the sludge in the tank body is in a plunger flow state after the steam is input, the sludge near the wall is slowly heated and is not uniformly heated with the sludge at the center of the tank body, the thermal hydrolysis efficiency and the thermal hydrolysis effect of the sludge are influenced to a certain extent.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defects existing in the prior art, and provides a sludge hydrolysis reaction kettle with higher efficiency and better effect of thermal hydrolysis.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a sludge hydrolysis reaction cauldron, includes a jar body, the inside cavity of jar body, the top of jar body is equipped with feed inlet and gas outlet, the bottom of jar body is equipped with the discharge gate, the bottom and the steam house steward of jar body are linked together, the last intercommunication of steam house steward is equipped with a plurality of steam and divides the pipe, and is a plurality of steam is divided the pipe and is linked together with the lateral wall of jar body.

Further, the opening direction of the steam branch pipe deviates from the axial position of the tank body.

Further, the end part of the steam branched pipe connected with the tank body is inclined upwards.

Further, a stirrer is arranged in the tank body and comprises a stirring shaft and a plurality of stirring paddles perpendicular to the stirring shaft, wherein the stirring shaft is driven to rotate by a rotating shaft of a motor arranged at the top of the tank body.

Further, the periphery of the lower end of the rotating shaft and the upper end of the stirring shaft is provided with annular assembling plates, two annular assembling plates are provided with a plurality of through holes opposite in position, and the two assembling plates are fixedly assembled through screws and nuts.

Furthermore, the lower extreme of motor shaft is equipped with polygonal column installation piece, the upper end of (mixing) shaft is equipped with the mounting groove with installation piece assorted.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this sludge hydrolysis reation kettle lets in high temperature steam simultaneously through bottom and the lateral wall department at the jar body for the internal mud of jar center department and nearly wall department can be heated simultaneously when steam input, alleviates mud center department and near wall department and is heated uneven phenomenon.

(2) This sludge hydrolysis reation kettle, the steam divide the existence of pipe to improve the input height of steam, alleviates mud upper portion and the difference of being heated of lower part, and the tangent line formula of steam branch pipe inserts, can provide the power of rotation in a circumferential direction for the internal mud of jar, accelerates being heated comprehensively of mud.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of the overall structure of a sludge hydrolysis reactor according to the present invention;

FIG. 2 is a schematic view of a perspective structure of a sludge hydrolysis reaction kettle according to the present invention;

FIG. 3 is a schematic view of the overall structure of a sludge hydrolysis reactor according to the present invention;

FIG. 4 is a schematic top view of a sludge hydrolysis reactor according to the present invention;

FIG. 5 is a schematic structural view of a stirrer of a sludge hydrolysis reaction kettle according to the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a schematic structural view of a joint of a rotating shaft of a sludge hydrolysis reactor according to the present invention;

FIG. 8 is a schematic structural diagram of a stirring shaft interface of a sludge hydrolysis reactor.

Description of reference numerals:

1-tank body; 11-a feed inlet; 12-a discharge hole; 13-air outlet; 2, a motor; 21-a rotating shaft; 22-a mounting block; 3-a steam header pipe; 31-steam manifold; 311-steam branch pipe; 4-a stirrer; 41-stirring shaft; 42-stirring paddle; 43-a mounting groove; 5-assembling a plate; 6-screw.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1 to 8, a sludge hydrolysis reaction kettle comprises a tank body 1, wherein the tank body 1 is hollow, a feed inlet 11 for inputting sludge and an air outlet 13 for generating gas in the tank body 1 are arranged at the top of the tank body 1, a discharge outlet 12 for outputting sludge is arranged at the bottom of the tank body 1, the bottom of the tank body 1 is communicated with a steam main pipe 3, high-temperature steam is input into the tank body 1 through the steam main pipe 3, and the steam main pipe 3 is communicated with a steam generator;

in order to ensure that the sludge in the tank body 1 is heated more uniformly and the degradation efficiency is higher, the steam main pipe 3 is communicated with and provided with a steam branch pipe 31 extending upwards, the tail end of the steam branch pipe 31 is divided into a plurality of steam branch pipes 311 arranged at equal intervals, the steam branch pipes 311 are communicated with the side wall of the tank body 1, so that high-temperature steam can be simultaneously input into the bottom and the side wall of the tank body 1, in order to accelerate the overall circulation of the sludge, the opening direction of the steam branch pipes 311 is tangent to the side wall of the tank body 1, so that the sludge obtains tangential acceleration, and the end part of the steam branch pipes 311 connected with the tank body 1 is inclined upwards, so that the sludge can be self-stirred in a spiral manner in the tank;

in order to further accelerate the flow of the sludge, a stirrer 4 is arranged in the tank body 1, the rotation direction of the stirrer 4 is consistent with the circulation direction of steam entering the tank body 1, the stirrer 4 comprises a stirring shaft 41 and a plurality of stirring paddles 42 which are perpendicular to the stirring shaft 41, the stirring paddles 42 can be arranged irregularly, the lengths of the stirring paddles 42 are different, and the stirring shaft 41 is driven by a rotating shaft 21 of a motor 2 arranged at the top of the tank body 1 to rotate in order to increase the coverage area of the stirring paddles 42 and improve the stirring efficiency;

in order to facilitate the cleaning and replacement of the stirrer 4, the stirring shaft 41 is fixedly connected with the rotating shaft 21 of the motor 2 through assembly, annular assembly plates 5 are arranged on the peripheries of the lower end of the rotating shaft 21 and the upper end of the stirring shaft 41, a plurality of through holes in opposite positions are formed in the two assembly plates 5, screw rods 6 are inserted in the through holes, nuts are screwed at two ends of each screw rod 6, and the two assembly plates 5 are fixedly assembled through the screw rods 6 and the nuts, so that the stirring shaft 41 is coaxially and fixedly connected with the rotating shaft 21 of the motor 2;

for reducing the stress that screw rod 6 receives, the lower extreme of motor 2 pivot 21 is equipped with polygonal column installation piece 22, and the upper end of (mixing) shaft 41 is equipped with and installs piece 22 assorted mounting groove 43, during the installation, pegs graft installation piece 22 in mounting groove 43, pegs graft screw rod 6 in the through-hole of assembly plate 5 again to it is fixed with (mixing) shaft 41 and motor 2 pivot 21 connection through the nut of screwing at the both ends of screw rod 6.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sludge hydrolysis reaction kettle, which is characterized in that, includes a jar body (1), the inside cavity of jar body (1), the top of jar body (1) is equipped with feed inlet (11) and gas outlet (13), the bottom of jar body (1) is equipped with discharge gate (12), the bottom and the steam house steward (3) of jar body (1) are linked together, the intercommunication is equipped with a plurality of steam and divides pipe (311) on steam house steward (3), and is a plurality of steam is divided pipe (311) and is linked together with the lateral wall of jar body (1).

2. The sludge hydrolysis reactor as set forth in claim 1, wherein: the opening direction of the steam branch pipe (311) deviates from the axial position of the tank body (1).

3. The sludge hydrolysis reactor as set forth in claim 1, wherein: the end part of the steam branched pipe (311) connected with the tank body (1) is inclined upwards.

4. The sludge hydrolysis reactor as set forth in claim 1, wherein: the stirring tank is characterized in that a stirrer (4) is arranged inside the tank body (1), the stirrer (4) comprises a stirring shaft (41) and a plurality of stirring paddles (42) which are perpendicular to the stirring shaft (41) and arranged on the periphery of the stirring shaft (41), and the stirring shaft (41) is driven to rotate by a rotating shaft (21) of a motor (2) arranged on the top of the tank body (1).

5. The sludge hydrolysis reaction kettle according to claim 4, wherein: the periphery of pivot (21) lower extreme and (mixing) shaft (41) upper end all is equipped with annular assembly plate (5), two be equipped with the through-hole that a plurality of positions are relative on assembly plate (5), it is fixed through screw rod (6) and nut assembly between two assembly plate (5).

6. The sludge hydrolysis reaction kettle according to claim 5, wherein: the lower extreme of motor (2) pivot (21) is equipped with polygonal column installation piece (22), the upper end of (mixing) shaft (41) is equipped with and installs mounting groove (43) of piece (22) assorted.