Flue gas microbiological treatment device

Abstract

The utility model discloses a flue gas microbiological treatment device which comprises an outer cylinder, a bottom plate, a partition plate and a microbiological filler box, the outer cylinder is a cylinder body fixed in a tower body of the flue gas microbiological treatment tower; the bottom plate is fixed in the outer cylinder; the partition plates are arranged on a bottom plate in the outer cylinder and divide the interior of the outer cylinder into a plurality of filler cavities, and drawer openings communicated with the corresponding filler cavities are formed in the side wall of the outer cylinder and correspond to the filler cavities; a through hole communicated with the corresponding filler cavity is formed in the bottom plate and corresponds to each filler cavity; the microorganism filler boxes are a plurality of hollow box bodies which are in one-to-one correspondence with the filler cavities and can be pushed into or pulled out of the filler cavities from the corresponding drawer openings, microorganism filler inoculated with microorganisms is filled in the microorganism filler boxes, and the box walls, located in the filler cavities, of the microorganism filler boxes are of hollow net plate-shaped structures; and the box wall positioned at the drawer opening is of a solid plate-shaped structure for blocking the drawer opening. The cleaning device is easy to operate, high in cleaning efficiency and good in safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas treatment technical field, concretely relates to a flue gas microbial treatment device. BACKGROUND

[0002] The microbial treatment tower is mainly used for the nitrogen removal, desulfurization or carbon dioxide removal treatment of flue gas, and the structure mainly comprises a hollow tower body, a gas inlet pipe communicated with the lower part of the tower body, a gas outlet pipe communicated with the top of the tower body, and a plurality of layers of microbial treatment devices arranged in the tower body, wherein the microbial treatment device mainly comprises a support, microbial fillers arranged in the support and microorganisms arranged in the microbial fillers, and a spraying water is arranged above the microbial treatment device to continuously spray water mist on the microbial treatment device, so as to provide sufficient humidity environment for the microorganisms and carry the reactants, when the treatment is performed, the flue gas flows upwards in the microbial treatment tower and sequentially passes through the microbial fillers of the biological treatment device, and the flue gas is contacted with the biological membrane formed by the microorganisms in the microbial fillers and is absorbed to remove the nitrogen, sulfur or carbon dioxide in the flue gas, and then the flue gas is discharged from the top of the microbial treatment tower, and the flue gas is repeatedly passed through a plurality of microbial treatment towers and is treated for multiple times and then discharged to the outside, so that the treatment of the flue gas is realized.

[0003] Since the flue gas contains dust, and part of calcium ions are also contained in the spraying water, with the increase of time, the calcium ions, carbon dioxide and water form clumps on the surface of the microbial fillers, which leads to the poor permeability of the microbial fillers, the increased load of the fan of the flue gas microbial treatment system and the reduced efficiency, and therefore, the microbial filler layer needs to be cleaned regularly, but the existing microbial treatment device needs to be cleaned in the tower, and since the tower body is poor in light and the space is limited, the cleaning operation is troublesome and the cleaning efficiency is low, and the cleaning operation also has certain danger. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the utility model aims at providing a flue gas microbial treatment device which is simple to operate, high in cleaning efficiency and good in safety.

[0005] The utility model achieves the above-mentioned purpose by the following technical scheme.

[0006] The utility model provides a flue gas microorganism treatment device, including outer tube, bottom plate, baffle and microorganism filler box, the outer tube is fixed in the tower body of flue gas microorganism treatment tower, the bottom plate is fixed in the outer tube, the baffle is arranged on the bottom plate in the outer tube and separates the outer tube into multiple filler cavities, and the drawer mouth that is communicated with the corresponding filler cavity is opened in the outer tube lateral wall corresponding to each filler cavity, the through -hole that is communicated with the corresponding filler cavity is opened in the bottom plate corresponding to each filler cavity, the microorganism filler box is hollow box body and is corresponded with the filler cavity one by one and can be pushed into or pulled out the filler cavity from the corresponding drawer mouth, and the microorganism filler that is inoculated with microorganism is filled in the microorganism filler box, and the box wall of microorganism filler box in the filler cavity is all hollow mesh plate structure, and the box wall at the drawer mouth is solid plate structure and blocks the drawer mouth.

[0007] The drawer type microorganism filler box is convenient to install, and when cleaning the microorganism filler, it is not necessary to enter the tower, and the microorganism filler can be directly pulled out for cleaning, so that the safety is greatly improved.

[0008] In another structure of the utility model, in order to further improve the flue gas treatment efficiency, the flue gas enters the microorganism filler box from the side as well as vertically, the contact area of the flue gas and the microorganism membrane in the microorganism filler box is improved, and the flue gas forms a turbulent flow in the microorganism filler box, so that the residence time of the flue gas in the microorganism filler box is prolonged, the microorganism fully reacts with the substances in the flue gas, and the flue gas treatment efficiency is improved.

[0009] The microorganism filler is arranged in a drawer type structure, and when cleaning, the microorganism filler box is pulled out outside the tower body for cleaning, so that the operation is simple and convenient, the light outside is strong, the caking on the biological filler can be clearly observed, the position is accurately found for cleaning, the cleaning efficiency is high, and the safety is greatly improved without entering the tower. BRIEF DESCRIPTION OF DRAWINGS

[0010] The structure of the utility model will be further described in detail below with reference to the drawings.

[0011] Figure 1 is a front view of the flue gas microbial treatment device.

[0012] Figure 2 is Figure 1 is a sectional view along the direction of A-A.

[0013] Figure 3 is Figure 2 is a structural schematic view when the microbial filler box is extracted.

[0014] Figure 4 is a top view of the flue gas microbial treatment device.

[0015] Figure 5 is Figure 4 is a sectional view along the direction of B-B.

[0016] Figure 6 is Figure 4 is a structural schematic view after the microbial filler box is extracted.

[0017] Figure 7 is a bottom view of the flue gas microbial treatment device.

[0018] Figure 8 is a structural schematic view of the microbial filler box.

[0019] In the figure: 1-outer cylinder, 12-drawer opening, 2-inner cylinder, 21-shunt hole, 3-bottom plate, 31-through hole, 4-baffle, 41-gas outlet, 5-microbial filler box, 51-box body, 52-sealing plate, 53-pull ring, 54-bolt. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0021] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation of the utility model, so they do not have technical significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the utility model, should still fall within the scope of the disclosed technology.

[0022] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. It should be pointed out that the terms "include", "contain" or any other variant are intended to cover non-exclusive inclusion, so that the process, method, article or equipment containing a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment. Embodiment 1

[0023] As shown in Figures 1-8 , the embodiment provides a flue gas microbial treatment device, which comprises an outer cylinder 1, a bottom plate 3, a partition plate 4 and a microbial filler box 5.

[0024] The outer cylinder 1 is fixed in the tower body of the flue gas microbial treatment tower, and the whole is in a cylindrical shape, and is fixed concentrically with the tower body of the flue gas microbial treatment tower. The bottom plate 3 is fixed in the outer cylinder. The partition plate 4 is arranged in a radial line shape on the bottom plate 3 in the outer cylinder 1 and divides the inner part of the outer cylinder 1 into a plurality of filler cavities. A drawer opening 11 corresponding to each filler cavity is opened on the side wall of the outer cylinder 1, which communicates with the corresponding filler cavity. The edge of the drawer opening 11 is aligned with the edge of the filler cavity towards the one end of the drawer opening 11. A through hole 31 corresponding to each filler cavity is opened on the bottom plate 3, which communicates with the corresponding filler cavity. The through hole 31 serves as a channel for flue gas entering the filler cavity and a channel for water flowing downward.

[0025] The microbial filler box 5 is a hollow box corresponding to the filler cavity and capable of being pushed into or pulled out of the filler cavity from the corresponding drawer opening 11. The microbial filler box 5 is filled with microbial fillers inoculated with microorganisms. The walls of the microbial filler box 5 located in the filler cavity are all in the form of a hollow mesh plate. The wall located at the drawer opening 11 is in the form of a solid plate that blocks the drawer opening. The microbial filler box 5 is fitted with the side walls 4 of the filler cavity on both sides after being pushed into the filler cavity.

[0026] The microbial filler box 5 includes a filler box body 51 and a sealing plate 52. The walls of the filler box body 51 (the upper, lower, left and right walls) are all in the form of a hollow mesh plate. The filler box body 51 can be pushed into or pulled out of the filler cavity from the drawer opening 11. The microbial fillers inoculated with microorganisms are filled in the filler box body 51. The sealing plate 52 is fixedly connected with the filler box body 51 and located outside the outer cylinder 1. The sealing plate 52 is in the form of an arc as a whole. The sealing plate 52 completely blocks the drawer opening 11 after the filler box body 51 is completely pushed into the filler cavity. The sealing plate 52 is fixedly connected with the outer cylinder 1 by a plurality of bolts 54. A sealing rubber strip is inlaid in the inner side edge of the sealing plate 52 to improve the sealing performance and prevent water leakage. A pull ring 53 for pushing and pulling the filler box body 51 in and out of the filler cavity is arranged on the outer side of the sealing plate 52. The number of the side walls 4 and the microbial filler boxes 5 is ten. The filler cavity is in the form of a triangle. The corresponding microbial filler boxes 5 are also in the form of a triangle.

[0027] During installation, a part of the tower body of the microbial treatment tower is first installed. Then, the outer cylinder 1 of the microbial treatment device is aligned with the part of the tower body and placed on the part of the tower body in abutment. Then, the abutted part is welded. Then, a circle of tower body (cylinder-shaped) is abutted on the top of the outer cylinder 1 and the abutted part is welded. Then, the above-mentioned method is repeated to alternately weld the microbial treatment device and the tower body upwards until the number of microbial treatment devices reaches the specified design requirement. The uppermost layer is in the form of a tower body structure. The upper part of the uppermost layer is connected with a gas outlet pipe. The lowermost layer is connected with a gas inlet pipe. A spraying pipe for continuously spraying water is installed above each microbial treatment device.

[0028] The flue gas enters the filler cavity through the through holes 31 in the bottom plate 3 of each microbial treatment device in sequence after entering the lower part of the tower body. Then, the flue gas enters the microbial filler box 5 from the filler cavity and contacts the microbial membrane in the microbial filler box 5. The carbon, nitrogen or sulfur and other substances in the flue gas are removed by reaction. The treated flue gas is discharged from the upper part of the tower body.

[0029] When cleaning is needed, the bolts 54 on the sealing plate 52 are loosened. The pull ring 53 is hooked and pulled outwards. Then, the microbial filler box 5 can be pulled out for cleaning. After cleaning, the microbial filler box 5 is pushed into the filler cavity again. The sealing plate 52 is pressed against the outer cylinder 1 by the bolts 54 again. The cleaning is simple and convenient. Example 2

[0030] In order to further improve the flue gas treatment efficiency, the flue gas enters the microbial filler box 5 from the side in addition to the vertical direction, the contact area of the flue gas and the microbial membrane in the microbial filler box 5 is improved, the flue gas forms a turbulent flow in the microbial filler box 5, the residence time of the flue gas in the microbial filler box 5 is prolonged, so that the microorganisms fully react with the substances in the flue gas, and the flue gas treatment efficiency is improved, and the embodiment increases the following structure on the basis of the embodiment 1.

[0031] The flue gas microbial treatment device also includes an inner cylinder 2; the inner cylinder 2 is a cylinder body sleeved in the outer cylinder 1 and fixed on the bottom plate 3, the upper end of the inner cylinder 2 is closed and the lower end is open, and the lower end of the inner cylinder 2 penetrates the bottom plate 3 downward and extends below the bottom plate 3; the partition plate 4 is a hollow box body arranged between the outer cylinder 1 and the inner cylinder 2 in a radial shape and fixed on the upper surface of the bottom plate 3, the cavity between two adjacent partition plates 4 is the filler cavity, and the two ends of each partition plate 4 are fixedly connected to the inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 2, and the connection part between the partition plate 4 and the inner cylinder 2 is communicated through the flow guide opening 21 prearranged on the inner cylinder 2, and a plurality of gas outlets 41 communicating with the filler cavities on the two sides of each partition plate 4 are arranged on the two side walls of the partition plate 4.

[0032] The inner diameter of the inner cylinder 2 at the position below the bottom plate 3 is gradually enlarged in a trumpet shape from top to bottom.

[0033] The embodiment increases a flue gas flow direction, the flue gas enters the inner cylinder 2 from the bottom of the inner cylinder 2, is then distributed to each partition plate 4 from the flow guide opening 21, then flows into the microbial filler box 5 from the gas outlets 41 of the partition plates 4 in a transverse direction to contact the microbial membrane in the microbial filler box 5, reacts to remove carbon, nitrogen or sulfur and other substances in the flue gas, and the treated flue gas is discharged from above the tower body. Through the side and vertical gas inlet mode, the flue gas is fully absorbed by the microorganisms, and the flue gas treatment efficiency is improved.

[0034] Other details of the utility model are conventional technologies known to those skilled in the art.

[0035] It should be noted that the terms "comprising", "including", or any other variant are intended to cover non-exclusive inclusions, so that processes, methods, articles or equipment containing a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles or equipment.

[0036] The protection scope of the utility model is not limited to the technical solutions disclosed in the specific embodiments, and any modification, equivalent replacement, improvement, etc. made according to the technical essence of the utility model to the above embodiments all fall within the protection scope of the utility model.

Claims

1. A flue gas microbial treatment apparatus, characterized by: The application relates to a flue gas microorganism treatment tower, which comprises an outer cylinder, a bottom plate, a partition plate and a microorganism filler box.

2. The flue gas microbiological treatment apparatus according to claim 1, characterized in that: The microorganism filler box comprises a filler box body and a sealing plate; the box wall of the filler box body is in a hollow mesh plate structure, the filler box body can be pushed into or pulled out of the filler cavity, and the microorganism filler inoculated with microorganisms is filled in the filler box body; the sealing plate is fixedly connected with the filler box body and located outside the outer cylinder, after the filler box body is completely pushed into the filler cavity, the sealing plate completely seals the drawer opening, and the sealing plate is fixedly connected on the outer cylinder through a plurality of bolts.

3. The flue gas microbiological treatment apparatus according to claim 2, characterized in that: A sealing rubber strip is inlaid on the inner side edge of the sealing plate.

4. The flue gas microbiological treatment apparatus according to claim 2, characterized in that: A pull ring for pushing and pulling the sealing plate into and out of the filler cavity is arranged on the outer side of the sealing plate.

5. The flue gas microbiological treatment apparatus according to claim 2, characterized in that: The application further comprises an inner cylinder; the inner cylinder is a cylinder body sleeved in the outer cylinder and fixed on the bottom plate, the upper end of the inner cylinder is closed and the lower end is open, the lower end of the inner cylinder penetrates through the bottom plate downwards and extends below the bottom plate; the partition plate is a hollow box body arranged between the outer cylinder and the inner cylinder in a radial shape and fixed on the upper surface of the bottom plate, the two ends of each partition plate are fixedly connected with the inner wall of the outer cylinder and the outer wall of the inner cylinder, the connection part between the partition plate and the inner cylinder is communicated through a flow guide opening prearranged on the inner cylinder, and a plurality of air outlets are arranged on the two side walls of each partition plate and communicated with the two filler cavities.

6. The flue gas microbiological treatment apparatus according to claim 5, characterized in that: The inner diameter of the inner cylinder at the position below the bottom plate is gradually enlarged in a trumpet shape from top to bottom.

7. The flue gas microbiological treatment apparatus according to claim 5, characterized in that: The number of the partition plates and the microorganism filler boxes is six to twelve.

8. The flue gas microbiological treatment apparatus according to claim 5, characterized in that: The edge of the drawer opening is aligned with the edge of the filler cavity towards the end of the drawer opening.

9. The flue gas microbiological treatment apparatus of claim 8, wherein: After the microorganism filler box is pushed into the filler cavity, the two sides of the microorganism filler box are respectively fitted with the side walls of the partition plates on the two sides of the filler cavity.

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