Biological filter applicable to multi-component VOC (volatile organic compound) waste gas treatment

Abstract

The utility model discloses a biological filter applicable to multi-component VOC (volatile organic compound) waste gas treatment, which comprises a tank body, a tank cover is arranged on the tank body, a filter material layer is arranged in the tank body, a plurality of sequentially arranged accommodating cavities are formed in the tank cover, spray pipes positioned in the accommodating cavities are rotatably connected onto the tank cover, and the spray pipes are arranged in the accommodating cavities. A plurality of spray heads are arranged on the spray pipe, the spray pipe is located above the filter material layer, an observation cover matched with the containing cavity is arranged on the pool body, a rotating rod is fixedly connected to the spray pipe, a rotating groove matched with the rotating rod is formed in the pool cover, a connecting pipe communicated with the spray pipe is fixedly connected to the spray pipe, and the filter material layer is fixedly connected to the connecting pipe. And a rotating hole matched with the connecting pipe is formed in the tank cover. Compared with the prior art, the biological filter suitable for multi-component VOC waste gas treatment has the advantages that the spray head can be conveniently checked, blockage of the spray head can be found in time, and the biological filter is simple in structure and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waste gas treatment technical field, and specifically about a kind of biological filter suitable for multi-component VOC waste gas treatment. BACKGROUND

[0002] Multi-component VOC (volatile organic compounds) waste gas treatment biological filter is a kind of biological treatment technology using microbial metabolic degradation of a variety of volatile organic pollutants.The technology is by filling the filter material layer with active microorganisms, so that VOC is adsorbed, absorbed and ultimately decomposed into CO2, H2O and biomass and other harmless substances by microorganisms.

[0003] The existing will be set on the top of filter material layer spray pipe, the spray pipe is provided with a plurality of spray heads, the spray pipe is connected with water pipe, water is transported to the spray pipe by infusion tube, then it is sprayed out by spray head, the filter material layer below is sprayed, to promote the growth of microorganisms, while facilitating the degradation of microorganisms and waste gas.

[0004] Nitrogen (such as ammonium salt), phosphorus (such as phosphate) and other essential nutrients for microorganisms can be added in the spray water, and these particles may not be completely dissolved in water, which may cause the spray head to be blocked during spraying. Some debris may be generated in the filter material layer during long-term use, which may also cause the spray head to be blocked. The spray head is located in the biological filter, and cannot be observed and maintained in time. The blocked spray head may cause the filter material layer to be not sprayed, thereby affecting the normal use of the filter material layer. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of biological filter suitable for multi-component VOC waste gas treatment, which can solve the technical problems raised in the above background technology.

[0006] To achieve the above object, the technical scheme provided by a specific embodiment of the utility model is as follows:

[0007] A kind of biological filter suitable for multi-component VOC waste gas treatment, comprising pool body, the pool body is provided with pool cover, the pool body is provided with filter material layer, the pool cover is provided with a plurality of sequentially arranged accommodating cavities, the pool cover is rotatably connected with the spray pipe in accommodating cavity, the spray pipe is provided with a plurality of spray heads, the spray pipe is located above the filter material layer, the pool body is provided with observation cover matched with accommodating cavity.

[0008] In one or more embodiments of the utility model, the spray pipe is fixedly connected with a rotating rod, the pool cover is provided with a rotating groove matched with the rotating rod, the spray pipe is fixedly connected with a connecting pipe communicated with the spray pipe, the pool cover is provided with a rotating hole matched with the connecting pipe, and the inner wall of the rotating hole is provided with a sealing gasket.

[0009] In one or more embodiments of the present application, a group of handles are fixedly connected to the connecting pipe, a fixing hole is formed in each handle, a fixing groove matching the fixing hole is formed in the pool cover, and a fixing rod is arranged between the fixing groove and the corresponding fixing hole.

[0010] In one or more embodiments of the present application, a rotating gap is formed between the side end face of the spraying pipe and the side wall of the accommodating cavity.

[0011] In one or more embodiments of the present application, a sealing plate is arranged above the spraying pipe in the observation cover, a dredging head is fixedly connected to the bottom of the sealing plate, a plurality of spray holes are arranged on the spray head, and a dredging rod matching the spray hole is arranged on the dredging head.

[0012] In one or more embodiments of the present application, a limiting hole is formed in the observation cover, a push rod matching the limiting hole is fixedly connected to the sealing plate, and a sealing gasket is arranged on the inner wall of the limiting hole.

[0013] In one or more embodiments of the present application, a first limiting groove and a second limiting groove are formed in the push rod, and a limiting rod matching the first limiting groove and the second limiting groove is arranged on the push rod.

[0014] In one or more embodiments of the present application, a pressing plate is fixedly connected to the push rod.

[0015] In one or more embodiments of the present application, the observation cover is a glass cover.

[0016] In one or more embodiments of the present application, a sealing glue is arranged between the observation cover and the pool cover.

[0017] Compared with the prior art, the biological filter tank suitable for multi-component VOC waste gas treatment of the present application is convenient for checking the spray head, can timely find the blockage of the spray head, has simple structure, and is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 FIG. 1 is a structural schematic view of a biological filter tank suitable for multi-component VOC waste gas treatment in an embodiment of the present application;

[0020] Figure 2 It is the first use state structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model;

[0021] Figure 3 It is Figure 2 The structural schematic view of A in the middle;

[0022] Figure 4 It is the second use state structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model;

[0023] Figure 5 It is Figure 4 The structural schematic view of B in the middle;

[0024] Figure 6 It is the partial structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model Figure 1 ;

[0025] Figure 7 It is the partial structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model Figure 2 ;

[0026] Figure 8 It is the partial structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model Figure 3 ;

[0027] Figure 9 It is the partial structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model Figure 4 ;

[0028] Figure 10 It is the partial structural schematic view of the biological filter suitable for multi-component VOC waste gas treatment in an embodiment of the utility model Figure 5 .

[0029] Main figure mark explanation:

[0030] 11, pool body, 12, pool cover, 21, containing cavity, 22, spray pipe, 23, spray head, 24, spray hole, 25, rotating groove, 26, rotating rod, 27, rotating hole, 28, connecting pipe, 29, water delivery pipe, 31, handle, 32, fixed groove, 33, fixed hole, 34, fixed rod, 41, observation cover, 42, limiting hole, 43, push rod, 44, sealing plate, 45, dredging head, 46, dredging rod, 47, first limiting groove, 48, second limiting groove, 49, limiting rod. Specific implementation

[0031] In order to make the technical scheme in the utility model better understood by the person skilled in the art, the technical scheme in the utility model embodiments will be clearly and completely described below in conjunction with the drawings of the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the utility model.

[0032] As shown in the utility model an embodiment of a kind of biological filter suitable for multi-component VOC waste gas treatment, including pool body 11, pool body 11 is provided with pool cover 12, filter material layer is provided in pool body 11, gas inlet pipe and exhaust pipe are provided on pool cover 12, waste gas is transported to pool body 11 by gas inlet pipe, waste gas is treated by filter material layer in pool body 11, and the waste gas after treatment is discharged through exhaust pipe. Figures 1 to 10 Pool cover 12 is provided with a plurality of accommodating cavities 21 arranged in sequence, and a spray pipe 22 is rotatably connected to the accommodating cavities 21 in the pool cover 12, a plurality of spray heads 23 are provided on the spray pipe 22, the spray pipe 22 is located above the filter material layer, and an observation cover 41 matching the accommodating cavities 21 is provided on the pool body 11.

[0033] A rotating rod 26 is fixedly connected to the spray pipe 22, a rotating groove 25 matching the rotating rod 26 is formed in the pool cover 12, a connecting pipe 28 communicating with the spray pipe 22 is fixedly connected to the spray pipe 22, a rotating hole 27 matching the connecting pipe 28 is formed in the pool cover 12, and a sealing gasket is provided on the inner wall of the rotating hole 27.

[0034] Specifically, the water pipe 29 is fixedly connected to the connecting pipe 28 through the joint, and water can be transported into the spray pipe 22 through the water pipe 29 and the connecting pipe 28, and then sprayed out through the spray head 23 to spray the filter material layer below. The water pipe 29 is a hose, when the spray head 23 needs to be checked, the spray pipe 22 can be rotated by 180 degrees by rotating the connecting pipe 28, so that the spray head 23 faces upward, i.e. the upper end of the spray head 23 protruding from the pool cover 12 is located in the observation cover 41, and the spray head 23 continues to spray water in the observation cover 41, which is convenient for observing the spraying condition of the spray head 23 and whether it is blocked, as shown in the specific embodiment.

[0035] Figure 8 After observation, the spray pipe 22 can be rotated by 180 degrees again so that the spray head 23 is located at the lower end of the pool cover 12, and the filter material layer continues to be sprayed, as shown in the specific embodiment.

[0036] Figure 7

[0037] ​​​The connecting pipe 28 is fixedly connected with a set of handles 31, a set of handles 31 are respectively provided with fixed holes 33, the pool cover 12 is provided with fixed grooves 32 matched with the fixed holes 33, and the fixed grooves 32 and the corresponding fixed holes 33 are provided with fixed rods 34.

[0038] The handle 31 is convenient for rotating the connecting pipe 28, and further convenient for rotating the spraying pipe 22 to change the position of the spray head 23, convenient for overhauling the spray head 23, and convenient for restoring the spray head 23 to the position capable of spraying the filter material layer after the overhaul is completed. The fixed rod 34 can be inserted into the fixed groove 32 and the fixed hole 33 on one side, and the spraying pipe 22 is limited, preventing the spraying pipe 22 from deviating. After the spraying pipe 22 is rotated, the stability of the spraying pipe 22 can be ensured.

[0039] The side end surface of the spraying pipe 22 and the side wall of the containing cavity 21 have a rotation gap, on the one hand, the rotation of the spraying pipe 22 is not affected, on the other hand, when the spray head 23 is overhauled, the water sprayed by the spray head 23 can flow back into the pool body 11 through the rotation gap to spray the filter material layer.

[0040] The observation cover 41 is provided with a sealing plate 44 located above the spraying pipe 22, the bottom of the sealing plate 44 is fixedly connected with a dredging head 45, the spray head 23 is provided with a plurality of spray holes 24, and the dredging head 45 is provided with a dredging rod 46 matched with the spray hole 24. The observation cover 41 is provided with a limiting hole 42, the sealing plate 44 is fixedly connected with a push rod 43 matched with the limiting hole 42, and the inner wall of the limiting hole 42 is provided with a sealing gasket.

[0041] Specifically, when the spray head 23 is blocked, the sealing plate 44, the dredging head 45 and the dredging rod 46 can be moved downward by the push rod 43, the dredging rod 46 can be inserted into the spray hole 24, and then the spray head 23 can be dredged, and specific reference can be made to Figure 9 the drawings.

[0042] The push rod 43 is provided with a first limiting groove 47 and a second limiting groove 48, and the push rod 43 is provided with a limiting rod 49 matched with the first limiting groove 47 and the second limiting groove 48. When the limiting rod 49 is inserted into the first limiting groove 47, the push rod 43 is fixed, the sealing plate 44 is located at the top of the observation cover 41, and the spray head 23 is left with enough spraying distance, which is convenient for observing the spraying condition of the spray head 23. After the spray head 23 is checked, the sealing plate 44 can be moved downward by the push rod 43 to be located close to the spraying pipe 22, and at this time the limiting rod 49 is inserted into the second limiting groove 48, which can extrude the waste gas in the observation cover 41 into the pool body 11 as much as possible, preventing too much waste gas from accumulating in the observation cover 41, and specific reference can be made to Figure 10 the drawings.

[0043] The push rod 43 is fixedly connected with a pressing plate, and the push rod 43, the sealing plate 44 and the dredging head 45 are pressed through the pressing plate. The observation cover 41 is a glass cover, and the spraying condition of the spray head 23 is observed. The observation cover 41 and the pool cover 12 are provided with sealing glue, the sealing of the observation cover 41 is increased, and waste gas leakage is prevented.

[0044] In use, the user needs to check the spray head 23, and the spraying pipe 22 is rotated by 180 degrees through the handle 31 and the connecting pipe 28, so that the spray head 23 sprays in the observation cover 41, and the spraying condition of the spray head 23 is observed. Figures 1 to 10

[0045] Compared with the prior art, the biological filter tank suitable for multi-component VOC waste gas treatment of the utility model is convenient for checking the spray head, the clogging of the spray head can be found in time, the structure is simple, and the operation is convenient.

[0046] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0047] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.​

Claims

1. A biological filter suitable for treating multi-component VOC waste gas, comprising a tank body, a tank cover, and a filter media layer disposed within the tank body, characterized in that, The pool cover has multiple sequentially arranged receiving cavities. A spray pipe located inside the receiving cavity is rotatably connected to the pool cover. The spray pipe is equipped with multiple nozzles and is located above the filter media layer. An observation cover matching the receiving cavity is provided on the pool body.

2. A biological filter suitable for treating multi-component VOC waste gas according to claim 1, characterized in that, A rotating rod is fixedly connected to the spray pipe, and a rotating groove matching the rotating rod is opened in the pool cover. A connecting pipe communicating with the spray pipe is fixedly connected to the spray pipe, and a rotating hole matching the connecting pipe is opened in the pool cover. A sealing gasket is provided on the inner wall of the rotating hole.

3. A biological filter suitable for treating multi-component VOC waste gas according to claim 2, characterized in that, A set of handles is fixedly connected to the connecting pipe. Each of the handles has a fixing hole. The pool cover has a fixing groove that matches the fixing hole. A fixing rod is provided between the fixing groove and the corresponding fixing hole.

4. A biological filter suitable for treating multi-component VOC waste gas according to claim 1, characterized in that, There is a rotational clearance between the side end face of the spray pipe and the side wall of the receiving cavity.

5. A biological filter suitable for treating multi-component VOC waste gas according to claim 1, characterized in that, The observation hood is equipped with a sealing plate located above the spray pipe. A dredging head is fixedly connected to the bottom of the sealing plate. The spray head is equipped with multiple spray holes and a dredging rod that matches the spray holes.

6. A biological filter suitable for treating multi-component VOC waste gas according to claim 5, characterized in that, A limiting hole is provided inside the observation cover, and a push rod that matches the limiting hole is fixedly connected to the sealing plate. A sealing gasket is provided on the inner wall of the limiting hole.

7. A biological filter suitable for treating multi-component VOC waste gas according to claim 6, characterized in that, The push rod has a first limiting groove and a second limiting groove, and the push rod is provided with a limiting rod that matches the first limiting groove and the second limiting groove.

8. A biological filter suitable for treating multi-component VOC waste gas according to claim 6, characterized in that, A pressing plate is fixedly connected to the push rod.

9. A biological filter suitable for treating multi-component VOC waste gas according to claim 1, characterized in that, The observation cover is a glass cover.

10. A biological filter suitable for treating multi-component VOC waste gas according to claim 1, characterized in that, A sealant is provided between the observation cover and the pool cover.

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