CN217725149U

CN217725149U - Bioreactor for treating organic waste gas

Info

Publication number: CN217725149U
Application number: CN202221922755.3U
Authority: CN
Inventors: 盖昭宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-04
Anticipated expiration: 2032-07-25

Abstract

The utility model belongs to the technical field of waste gas treatment equipment, and discloses a bioreactor for treating organic waste gas, wherein a biological sludge layer is laid at the bottom of the inner side of a support base, an overflow outlet is formed in the upper end of the side surface of the support base, and the outer side of the overflow outlet is communicated with a water storage tank; the lower end of the left side of the cylindrical shell is communicated with an air inlet joint, a spray head is arranged in the cylindrical shell, and the spray head is communicated with the water storage tank through a connecting pipeline and a circulating water pump; the inside of the cylindrical shell is provided with a biological filler layer. The utility model can spray the organic waste gas through the spray header, can effectively cool the high-temperature organic waste gas, and can settle the smoke dust in the organic waste gas, thereby avoiding the invalidation and the blockage of the biological filler and reducing the maintenance cost; can handle the smoke and dust after organic waste gas subsides through biological sludge blanket, through the overflow mouth that supports the base side, can be convenient for biological sludge blanket's supernatant flow in the aqua storage tank, realize the used circulation of shower water.

Description

Bioreactor for treating organic waste gas

Technical Field

The utility model belongs to the technical field of exhaust-gas treatment equipment, especially, relate to a handle organic waste gas's bioreactor.

Background

In industrial production, especially in the pharmaceutical and chemical industry, the generated organic waste gas has complex components, generally mainly contains Volatile Organic Compounds (VOCs) such as alcohols, esters, benzenes and halogenated hydrocarbons, and especially contains chlorine-containing organic compounds difficult to remove such as trichloromethane, dichloromethane and dichloroethane. The chlorine-containing VOCs not only cause great waste of resources when entering the environment, but also seriously pollute the environment and harm the health and survival of human beings and other organisms, thereby being widely concerned by various social circles.

The biological method is to degrade and remove various organic matters and some inorganic matters by using the life metabolic process of heterotrophic bacteria or fungi, and is suitable for purifying VOCs waste gas with large air quantity, low concentration and no recovery value. Compared with other physical and chemical end treatment technologies, bioreactors are constantly being popularized in industrial applications. At present, the market share of biotechnology abroad and domestic is 29 percent and 15 percent respectively, and occupies the first and third positions of the current treatment technology at abroad and domestic respectively. However, when the existing bioreactor is used for treating organic waste gas with high temperature, the existing bioreactor is easily corroded by the high-temperature waste gas, so that the biological filler fails. And when the content of the smoke dust in the waste gas is too large, equipment is easy to block, and the maintenance cost is increased.

Through the above analysis, the problems and defects of the prior art are as follows:

(1) When the existing bioreactor is used for treating organic waste gas with high temperature, the existing bioreactor is easily corroded by the high-temperature waste gas, so that the biological filler fails.

(2) When the content of the smoke dust in the waste gas is too large, equipment is easy to block, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art, the disclosed embodiments of the present invention provide a bioreactor for treating organic waste gas. The technical scheme is as follows:

a bioreactor for treating organic waste gas is provided with:

a support base and a cylindrical housing;

the cylindrical shell is fixed at the upper end of a supporting base, a biological sludge layer is laid at the bottom of the inner side of the supporting base, an overflow outlet is formed in the upper end of the side surface of the supporting base, and the outer side of the overflow outlet is communicated with a water storage tank;

the lower end of the left side of the cylindrical shell is communicated with an air inlet joint, the upper end of the cylindrical shell is connected with an air outlet channel, a spray head is arranged in the cylindrical shell, and the spray head is communicated with the water storage tank through a connecting pipeline and a circulating water pump;

the inside biological packing layer that is provided with of tube-shape casing, biological packing layer is located the shower head upside.

In one embodiment, an aeration pipeline is laid at the bottom of the biological sludge layer, the aeration pipeline is of a spiral structure, and the aeration pipeline is communicated with an aerator on the outer side through a gas pipeline;

aeration holes are distributed at intervals at the upper end of the aeration pipeline, and one-way valves are embedded in the aeration holes.

In one embodiment, a material adding port and a water filling port are formed in the side surface of the water storage tank, and sealing covers are respectively covered at the upper ends of the material adding port and the water filling port.

In one embodiment, the spray headers are uniformly distributed, and the spray headers are connected through spray pipes.

In one embodiment, the lower side of the biological packing layer is provided with air distribution plates at intervals, and a plurality of air distribution holes are uniformly distributed in the middle of the air distribution plates.

In one embodiment, a primary filter screen is arranged on the lower side of the spray header, and the primary filter screen is made of stainless steel material bodies.

In one embodiment, a sealing door is installed on the side surface of the supporting base, sealing grooves which are arranged in a staggered mode are formed in the inner side of the sealing door and the outer side of the cylindrical shell respectively, and sealing strips are clamped in the sealing grooves.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:

the utility model discloses an at the inside shower head that is provided with of tube-shape casing, can spray the processing to organic waste gas through the shower head, can play effectual cooling to high temperature organic waste gas and handle to the smoke and dust to among the organic waste gas subsides the processing, avoids causing the inefficacy and the jam of biofilm carrier, reduces the maintenance cost. Moreover, the smoke dust generated after the organic waste gas is settled can be treated through the biological sludge layer, and the supernatant of the biological sludge layer can conveniently flow into the water storage tank through the overflow outlet on the side surface of the supporting base, so that the cyclic use of spray water is realized.

The utility model can provide air for the biological sludge layer and the interior of the cylindrical shell through the aeration pipeline, can facilitate the uniformity of air distribution by adopting a spiral structure, and can avoid the blockage of the aeration holes caused by sludge through the one-way valve; the supplementary addition of the waste gas treatment additive and the spray water can be facilitated through the material addition port and the water injection port; the organic waste gas can uniformly pass through the biological packing layer through a plurality of air distribution holes of the air distribution plate; can be convenient for clear up and change the biological sludge layer through sealing door after opening.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic structural diagram of a bioreactor for treating organic waste gas provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of an aeration pipeline provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an air distribution plate provided by an embodiment of the present invention;

in the figure: 1. a cylindrical housing; 2. a support base; 3. a biological sludge layer; 4. an overflow outlet; 5. a water storage tank; 6. an air inlet joint; 7. an air outlet channel; 8. a shower head; 9. connecting a pipeline; 10. a water circulating pump; 11. A sealing door; 12. a biological filler layer; 13. an aeration pipeline; 14. an aerator; 15. aeration holes; 16. a one-way valve; 17. a material adding port; 18. a water injection port; 19. a sealing cover; 20. a spray pipe; 21. a gas distribution plate; 22. distributing air holes; 23. a primary filter screen.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.

As shown in fig. 1, a cylindrical shell 1 in a bioreactor for treating organic waste gas provided by the embodiment of the present invention is fixed on the upper end of a support base 2, a biological sludge layer 3 is laid on the bottom of the inner side of the support base 2, an overflow outlet 4 is provided on the upper end of the side surface of the support base 2, and the outer side of the overflow outlet 4 is communicated with a water storage tank 5; the supernatant of the biological sludge layer 3 can conveniently flow into the water storage tank 5 through the overflow outlet 4, so that the recycling of the spray water is realized.

The lower end of the left side of the cylindrical shell 1 is communicated with an air inlet joint 6, the upper end of the cylindrical shell 1 is connected with an air outlet channel 7, a spray head 8 is arranged in the cylindrical shell 1, and the spray head 8 is communicated with a water storage tank 5 through a connecting pipeline 9 and a circulating water pump 10; the spray headers 8 are uniformly distributed, and the spray headers 8 are connected through spray pipes 20.

A biological filler layer 12 is arranged in the cylindrical shell 1, and the biological filler layer 12 is positioned on the upper side of the spray header 8. The 8 downside of shower head is provided with primary filter screen 23, primary filter screen 23 is the stainless steel plastid.

The embodiment of the utility model provides an in 5 sides of aqua storage tank seted up the material and added mouth 17 and water filling port 18, the material adds mouth 17 and 18 upper ends of water filling port and covers respectively and be equipped with sealed lid 19. The supplementary addition of the waste gas treatment additive and the spray water can be facilitated through the material adding port 17 and the water injection port 18.

The embodiment of the utility model provides an in 2 side-mounting on support base have sealing door 11, set up the seal groove of crisscross setting respectively in 11 insides of sealing door and the 1 outside of tube-shape casing, the clamp is equipped with the sealing strip in the seal groove. The sealing door 11 can be used for cleaning and replacing the biological sludge layer 3 conveniently after being opened.

As shown in fig. 2, an aeration pipeline 13 is laid at the bottom of the biological sludge layer 3 in the embodiment of the present invention, the aeration pipeline 13 is a spiral structure, and the aeration pipeline 13 is communicated with an aerator 14 at the outer side through a gas pipeline; aeration holes 15 are distributed at intervals at the upper end of the aeration pipeline 13, and one-way valves 16 are embedded in the aeration holes 15. Can be for biological sludge layer 3 and the inside air that provides of tube-shape casing 1 through aeration pipe 13, through adopting spiral structure can be convenient for air distribution's homogeneity, can avoid mud to cause the jam to aeration hole 15 through check valve 16.

As shown in fig. 1 and fig. 3, the gas distribution plate 21 is disposed at an interval under the bio-filler layer 12 in the embodiment of the present invention, and a plurality of gas distribution holes 22 are uniformly distributed in the middle of the gas distribution plate 21. The organic waste gas can uniformly pass through the biological filler layer 12 through a plurality of air distribution holes 22 of the air distribution plate 21.

The utility model discloses when using, with air inlet joint 6 and outside organic waste gas discharge pipeline intercommunication, inside organic waste gas got into tubular housing 1, carry out primary filter through primary filter 23, shower head 8 erodees primary filter 23 simultaneously, realizes the cooling treatment to high temperature organic waste gas to the smoke and dust to among the organic waste gas subsides the processing. The waste water containing smoke dust falls into the biological sludge layer 3 on the lower side for biochemical treatment, the supernatant of the biological sludge layer 3 flows into the water storage tank 5 through the overflow outlet 4, and then the water is supplied to the spray header 8 through the connecting pipeline 9 and the circulating water pump 10, so that the cyclic use of spray water is realized. Organic waste gas rises to gas distribution plate 21, makes organic waste gas evenly disperse to bio-filler layer 12 through gas distribution plate 21's cloth gas pocket 22, improves bio-filler layer 12's treatment effect, and the waste gas after the processing can be discharged through air outlet channel 7.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be covered by the scope of the present invention.

Claims

1. A bioreactor for treating organic waste gas, characterized in that the bioreactor for treating organic waste gas is provided with:

a support base (2) and a cylindrical housing (1);

the cylindrical shell (1) is fixed at the upper end of a supporting base (2), a biological sludge layer (3) is laid at the bottom of the inner side of the supporting base (2), an overflow outlet (4) is formed in the upper end of the side surface of the supporting base (2), and the outer side of the overflow outlet (4) is communicated with a water storage tank (5);

the lower end of the left side of the cylindrical shell (1) is communicated with an air inlet joint (6), the upper end of the cylindrical shell (1) is connected with an air outlet channel (7), a spray head (8) is arranged in the cylindrical shell (1), and the spray head (8) is communicated with the water storage tank (5) through a connecting pipeline (9) and a circulating water pump (10);

the biological filler layer (12) is arranged inside the cylindrical shell (1), and the biological filler layer (12) is positioned on the upper side of the spray header (8).

2. The bioreactor for treating organic waste gas according to claim 1, wherein an aeration pipeline (13) is laid at the bottom of the biological sludge layer (3), the aeration pipeline (13) is of a spiral structure, and the aeration pipeline (13) is communicated with an aerator (14) at the outer side through a gas pipeline;

aeration holes (15) are distributed at the upper end of the aeration pipeline (13) at intervals, and one-way valves (16) are embedded in the aeration holes (15).

3. The bioreactor for treating organic waste gas as claimed in claim 1, wherein a material adding port (17) and a water injection port (18) are formed in the side surface of the water storage tank (5), and the upper ends of the material adding port (17) and the water injection port (18) are respectively provided with a sealing cover (19).

4. The bioreactor for treating organic waste gas according to claim 1, wherein the plurality of spray headers (8) are uniformly distributed, and the plurality of spray headers (8) are connected with each other through the spray pipes (20).

5. The bioreactor for treating organic waste gas according to claim 1, wherein a gas distribution plate (21) is arranged at intervals under the biological packing layer (12), and a plurality of gas distribution holes (22) are uniformly distributed in the middle of the gas distribution plate (21).

6. The bioreactor for treating organic waste gas according to claim 1, wherein a primary filter (23) is disposed under the shower head (8), and the primary filter (23) is made of stainless steel.

7. The bioreactor for treating organic waste gas according to claim 1, wherein a sealing door (11) is installed on a side surface of the supporting base (2), sealing grooves arranged in a staggered manner are respectively formed in the inner side of the sealing door (11) and the outer side of the cylindrical shell (1), and sealing strips are clamped in the sealing grooves.