CN113351145A

CN113351145A - Stirring device for reaction tank

Info

Publication number: CN113351145A
Application number: CN202110654564.7A
Authority: CN
Inventors: 王艳民; 单明焕; 王志玺; 魏晓东
Original assignee: ANYANG AIERWANG NEW ENERGY ENVIRONMENTAL CO LTD
Current assignee: ANYANG AIERWANG NEW ENERGY ENVIRONMENTAL CO LTD
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-09-07

Abstract

The invention discloses a stirring device for a reaction tank, which comprises a material suction pipeline, a spraying pipeline, a stirrer, a first electric valve and a discharge valve, wherein the material suction pipeline is arranged on the reaction tank, the inlet end of the material suction pipeline is communicated with the reaction tank, the spraying pipeline is arranged on the reaction tank, the outlet end of the spraying pipeline is communicated with the reaction tank, the stirrer is respectively communicated with the outlet end of the material suction pipeline and the inlet end of the spraying pipeline, the first electric valve is arranged on the material suction pipeline, the first electric valve is adjacent to the inlet end of the material suction pipeline, and the discharge valve is arranged on the spraying pipeline. The stirring device and the reaction tank are mutually independent, the stirrer can be maintained at any time, and the three-dimensional stirring effect of uniformly mixing materials without dead angles is realized.

Description

Stirring device for reaction tank

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a stirring device for a reaction tank.

Background

The anaerobic tank is an efficient internal circulation reaction tank, and has the characteristics of small occupied area, high organic load, strong impact resistance, stable performance and simpler operation and management. The anaerobic tank is suitable for waste treatment such as organic waste treatment of farms, urban kitchen waste, urban domestic waste, municipal sludge, industrial organic waste treatment and the like.

In the prior art, a stirrer used by the anaerobic tank, namely a central stirrer or a side stirrer, is provided with blades and seals which are positioned in a tank body, if the seals need to be replaced or the blades need to be emptied, materials in thousands of or even tens of thousands of anaerobic tanks are emptied and restarted, at least several months are needed, and production is seriously influenced.

Simultaneously, because the stirring effect is not good in the current anaerobic fermentation jar use and causes the liquid layering, the material that the proportion is big deposits at the tank bottoms, and a large amount of volumes are taken up in the long-pending month, and the serious needs carry out the clear jar of regular intervals. Some substances with small specific gravity float on the liquid surface for a long time to form a knot cover and generate foam, so that the yield of the biogas and the anaerobic fermentation efficiency are influenced, the anaerobic tank stops production due to long-term knot cover and foam generation, and the anaerobic tank needs to be cleaned and restarted.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the invention provides a stirring device for a reaction tank, which can realize the maintenance of a stirrer without emptying an anaerobic fermentation tank and realize a three-dimensional stirring effect of uniformly mixing materials without dead angles.

The stirring apparatus for a reaction tank according to an embodiment of the present invention includes: the material suction pipeline is arranged on the reaction tank, and the inlet end of the material suction pipeline is communicated with the reaction tank; the injection pipeline is arranged on the reaction tank, and the outlet end of the injection pipeline is communicated with the reaction tank; the stirrer is respectively communicated with the outlet end of the material suction pipeline and the inlet end of the injection pipeline; the first electric valve is arranged on the material suction pipeline and is adjacent to the inlet end of the material suction pipeline; and the discharge valve is arranged on the injection pipeline.

According to the stirring device for the reaction tank, which is disclosed by the embodiment of the invention, the stirring device is positioned outside the reaction tank, the stirrer is communicated with the reaction tank after passing through the material suction pipeline and the injection pipeline, and the stirrer can be disconnected with the reaction tank through the first electric valve and the discharge valve, so that the stirrer can be maintained without emptying the reaction tank, and the time cost is reduced.

In some embodiments, the stirring device for a reaction tank further comprises a first manual valve, the first manual valve is disposed on the material suction pipe, and the first manual valve is located between the first electric valve and the inlet end of the material suction pipe.

In some embodiments, the stirring device for a reaction tank further comprises a feeding valve, the feeding valve is arranged on the suction pipeline, and the feeding valve is adjacent to the outlet end of the suction pipeline.

In some embodiments, the material suction pipeline includes a material suction main pipe and a plurality of material suction branch pipes, the plurality of material suction branch pipes are arranged on the reaction tank at intervals along the height direction of the reaction tank, the plurality of material suction branch pipes are all communicated with the material suction main pipe, and the material suction main pipe is communicated with the stirrer.

In some embodiments, the material suction pipeline comprises a first pipe section, the injection pipeline comprises a second pipe section, and an included angle a is formed between the axial direction of the first pipe section and the axial direction of the second pipe section on a projection plane perpendicular to the axial direction of the reaction tank.

In some embodiments, the first pipe section is located in the reaction tank, and the axial direction of the first pipe section has an included angle B with the inner wall of the reaction tank, and/or the second pipe section is located in the reaction tank, and the axial direction of the second pipe section has an included angle C with the inner wall of the reaction tank.

In some embodiments, 60 ≧ B ≧ 20 °, and/or 60 ≧ C ≧ 20 °.

In some embodiments, the material suction pipeline is further provided with a flushing port.

In some embodiments, the stirring device for a reaction tank further comprises a feeding pipe, wherein the feeding pipe is communicated with the suction pipe or the feeding pipe is communicated with the injection pipe.

In some embodiments, the stirring device is a plurality of stirring devices, and the plurality of stirring devices are arranged at intervals along the circumferential direction of the reaction tank.

Drawings

Fig. 1 is a front view of a stirring apparatus for a reaction tank according to an embodiment of the present invention.

Fig. 2 is a plan view of a stirring apparatus for a reaction tank according to an embodiment of the present invention.

Reference numerals:

agitating unit 100 inhales material pipeline 1, inhales material main pipe 11, inhales material branch pipe 12, first pipeline section 13, washes mouth 14, injection pipeline 2, second pipeline section 21, agitator 3, first electric valve 4, first manual valve 41, feed valve 42, ejection of compact valve 5, charge-in pipeline 6.

A reaction tank 200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 2, the stirring apparatus 100 for the reaction tank 200 according to the embodiment of the present invention includes a suction pipe 1, a spray pipe 2, a stirrer 3, a first electric valve 4, and a discharge valve 5.

Inhale material pipeline 1 and establish on retort 200, inhale the entrance point and retort 200 intercommunication of material pipeline 1, injection pipeline 2 establishes on retort 200, injection pipeline 2's exit end and retort 200 intercommunication, agitator 3 communicates with the exit end of inhaling material pipeline 1 and the entrance point of injection pipeline 2 respectively, first electric valve 4 establishes on inhaling material pipeline 1, and first electric valve 4 is close to the entrance point of inhaling material pipeline 1, ejection of compact valve 5 establishes on injection pipeline 2.

Specifically, as shown in fig. 1, the reaction tank 200 is substantially cylindrical, and the reaction tank 200 includes a housing and a reaction chamber surrounded by the housing.

The inlet end of the material suction pipeline 1 is communicated with the reaction tank 200, and the material in the reaction tank 200 can enter the stirrer 3 through the material suction pipeline 1.

The stirrer 3 is started to fully smash the materials, and the smashed materials are sent back to the reaction tank 200 through the injection pipeline 2, so that the processes of material absorption, smashing and injection are realized.

Wherein, if need maintain agitator 3 when maintaining and maintaining, only need close first electric valve 4 and discharge valve 5 simultaneously and just can maintain or change agitator 3, thoroughly solved the difficult problem that maintenance agitator 3 must be cleared the jar.

Further, the smashed materials are sprayed into the reaction tank 200, and the materials are sprayed to the bottom of the reaction tank 200 at a high speed, so that the materials with high specific gravity at the bottom of the reaction tank 200 are pushed to rise, the circulation of the materials in the reaction tank 200 is promoted, and the anaerobic reaction in the reaction tank 200 is more sufficient.

In some embodiments, as shown in fig. 1-2, the stirring device 100 for the reaction tank 200 further comprises a first manual valve 41, the first manual valve 41 is disposed on the feeding pipe 1, and the first manual valve 41 is located between the first electric valve 4 and the inlet end of the feeding pipe 1.

It will be appreciated that the first electrically operated valve 4 may be connected to a control system and that the first electrically operated valve 4 may be automatically set and intelligently operated. The stirring device 100 of the embodiment of the invention can set the on-off time of the first electric valve 4 through the control system, when the first electric valve 4 breaks down, an operator can close the first electric valve 41 to cut off the connection between the stirrer 3 and the reaction tank 200, so that the material in the reaction tank 200 cannot flow through the first electric valve 4, and then the operator can overhaul the first electric valve 4.

In some embodiments, as shown in fig. 1-2, the stirring device 100 for the reaction tank 200 further comprises a feeding valve 42, the feeding valve 42 is disposed on the suction pipe 1, and the feeding valve 42 is adjacent to the outlet end of the suction pipe 1.

It can be understood that the feeding valve 42 is used for cutting off the material suction pipeline 1, and when the stirrer 3 needs to be overhauled, the feeding valve 42 can be closed, so that the material in the material suction pipeline 1 cannot continuously flow out, and the material is prevented from polluting the environment.

In some embodiments, as shown in fig. 1, the material suction pipeline 1 includes a material suction main pipe 11 and a plurality of material suction branch pipes 12, the plurality of material suction branch pipes 12 are arranged on the reaction tank 200 at intervals along the height direction of the reaction tank 200, the plurality of material suction branch pipes 12 are all communicated with the material suction main pipe 11, and the material suction main pipe 11 is communicated with the stirrer 3.

It can be understood that one material suction branch pipe 12 represents one material suction inlet end, and a plurality of material suction branch pipes 12 are arranged on the reaction tank 200 at intervals along the height direction of the reaction tank 200, so that the stirring device 100 of the present invention can suck materials at different liquid level heights in the reaction tank 200, and ensure that all levels of liquid in the reaction tank 200 can be uniformly mixed.

Further, when the stirring device 100 operates, the multiple material suction branch pipes 12 are sequentially fed circularly from high to low or from low to high, the control system closes the first electronic valves 4 on the other material suction branch pipes 12 during feeding, opens the first electronic valves 4 on the material suction branch pipes 12 needing feeding, starts the stirrer 3, and closes after the stirring is completed for a set period of time.

Preferably, the highest suction branch pipe 12 in the stirring device 100 is positioned at 100mm-500mm below the liquid level of the tank body, and the outlet end of the injection pipeline 2 is positioned at 200mm-1500mm on the base plane. Therefore, the material suction branch pipes 12 are sequentially and circularly fed in the stirring time period of the reaction tank 200, and the three-dimensional stirring effect that the whole reaction tank 200 is uniformly mixed without dead angles is ensured.

In some embodiments, as shown in fig. 2, the material suction pipe 1 comprises a first pipe section 13, the injection pipe 2 comprises a second pipe section 21, and an included angle a is formed between the axial direction of the first pipe section 13 and the axial direction of the second pipe section 21 on a projection plane perpendicular to the axial direction of the reaction tank 200.

It can be understood that, the stirring device 100 of the present invention sets the included angle a between the axial direction of the first pipe section 13 and the axial direction of the second pipe section 21, so that when the stirring device 100 circularly sucks and sprays materials, the stirring device 100 pushes the liquid in the reaction tank 200 to form a rotational flow state, a three-dimensional stirring effect of up-down and rotational flow stirring is generated, the materials are uniformly mixed without dead angles, and meanwhile, the problem that heavy materials are deposited at the bottom and the liquid level generates capping or foaming is solved.

In some embodiments, as shown in fig. 2, the first pipe segment 13 is located within the reaction tank 200 with an angle B between an axial direction of the first pipe segment 13 and an inner wall of the reaction tank 200, and/or the second pipe segment 21 is located within the reaction tank 200 with an angle C (not shown) between an axial direction of the second pipe segment 21 and the inner wall of the reaction tank 200.

It is understood that the stirring device 100 of the present invention is provided by providing an included angle B between the axial direction of the first pipe segment 13 and the inner wall of the reaction tank 200, and/or an included angle C between the axial direction of the second pipe segment 21 and the inner wall of the reaction tank 200. When the stirring device 100 circularly sucks and sprays materials, the stirring device 100 pushes the liquid in the reaction tank 200 to form a rotational flow state, so that a three-dimensional stirring effect of vertical and rotational flow stirring is generated, the materials are uniformly mixed without dead angles, and the problem that heavy substances deposited at the bottom and liquid level generate capping or foam is solved.

In some embodiments, 60 ≧ B ≧ 20 °, and/or 60 ≧ C ≧ 20 °. This improves the three-dimensional stirring effect of the stirring device 100.

In some embodiments, as shown in fig. 1, the material suction pipe 1 is further provided with a flushing port 14. The flushing port 14 is located at the upper end of the material suction pipeline 1, and when the material suction pipeline 1 is not smooth in flow, an operator can flush and dredge the material suction pipeline 1 through the flushing port 14.

In some embodiments, as shown in fig. 1, the stirring device 100 for the reaction tank 200 further comprises a feed pipe 6, and the feed pipe 6 is communicated with the suction pipe 1 or the feed pipe 6 is communicated with the injection pipe 2.

It can be understood that after the stirring device 100 of the present invention is communicated with the reaction tank 200, external materials can be conveyed into the reaction tank 200 through the feeding pipe 6, so that the reaction tank 200 can be sealed in the whole anaerobic reaction process, and the quality of the anaerobic reaction is improved.

Further, the feed pipe 6 may be provided with the first electric valve 4 and the first manual valve 41, whereby an operator can control the operation state of the feed pipe 6 at any time.

In some embodiments, as shown in fig. 1-2, the stirring device 100 is provided in plurality, and the plurality of stirring devices 100 are arranged at intervals along the circumference of the reaction tank 200.

It can be understood that a plurality of stirring devices 100 may be provided according to the diameter of the reaction tank 200, so as to ensure that the sucked materials of each level are sufficiently mixed, thereby optimizing the stirring effect.

The stirring device 100 of the embodiment of the invention has reasonable design, the stirrer 3 is convenient to maintain and repair, the reaction tank 200 does not need to be emptied, and the problem that the tank needs to be cleaned when the stirrer 3 is repaired is thoroughly solved. Meanwhile, the liquid levels at the suction port and the two sides of the jet port of the stirrer 3 are the same, the stirrer 3 is only used for pushing the jet and the rotational flow of the liquid flow, the jet and the rotational flow can be realized by using lower power, and the operation cost is reduced.

The stirring device 100 of the embodiment of the invention pumps the materials in the reaction tank 200 from the upper part to the lower part, thereby effectively preventing the materials on the liquid surface from covering or generating foam.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A stirring device for a reaction tank, comprising:

the material suction pipeline is arranged on the reaction tank, and the inlet end of the material suction pipeline is communicated with the reaction tank;

the injection pipeline is arranged on the reaction tank, and the outlet end of the injection pipeline is communicated with the reaction tank;

the stirrer is respectively communicated with the outlet end of the material suction pipeline and the inlet end of the injection pipeline;

the first electric valve is arranged on the material suction pipeline and is adjacent to the inlet end of the material suction pipeline;

and the discharge valve is arranged on the injection pipeline.

2. The stirring device for a reaction tank of claim 1, further comprising a first manual valve disposed on said suction pipe, said first manual valve being located between said first electric valve and an inlet end of said suction pipe.

3. The stirring device for a reaction tank of claim 1, further comprising a feed valve disposed on the suction pipe, the feed valve being adjacent to an outlet end of the suction pipe.

4. The stirring device for a reaction tank as claimed in claim 1, wherein the material suction pipeline comprises a material suction main pipe and a plurality of material suction branch pipes, the plurality of material suction branch pipes are arranged on the reaction tank at intervals along the height direction of the reaction tank, the plurality of material suction branch pipes are all communicated with the material suction main pipe, and the material suction main pipe is communicated with the stirrer.

5. The stirring device for a reaction tank as recited in claim 1, wherein the material suction pipe comprises a first pipe section, the injection pipe comprises a second pipe section, and an included angle a is formed between the axial direction of the first pipe section and the axial direction of the second pipe section on a projection plane perpendicular to the axial direction of the reaction tank.

6. The stirring device for a reaction tank according to claim 5, wherein the first pipe section is located in the reaction tank, and an axial direction of the first pipe section has an included angle B with an inner wall of the reaction tank, and/or the second pipe section is located in the reaction tank, and an axial direction of the second pipe section has an included angle C with the inner wall of the reaction tank.

7. The stirring device for a reaction tank as recited in claim 6, wherein 60 ° ≧ B ≥ 20 °, and/or 60 ° ≧ C ≥ 20 °.

8. The stirring device for reaction tank as claimed in claim 1, wherein the material suction pipe is further provided with a flushing port.

9. The stirring device for a reaction tank as recited in claim 1, further comprising a feed pipe, the feed pipe being in communication with the suction pipe or the feed pipe being in communication with the injection pipe.

10. The stirring device for a reaction tank as claimed in any one of claims 1 to 9, wherein the stirring device is plural, and the plural stirring devices are arranged at intervals in a circumferential direction of the reaction tank.