CN213856222U

CN213856222U - Fermentation workshop with foul waste gas collecting device

Info

Publication number: CN213856222U
Application number: CN202023016566.3U
Authority: CN
Inventors: 陆建明; 沈其荣; 陈天宇; 曾淑华
Original assignee: Jiangyin Pengyao Lianye Biological Technology Co ltd
Current assignee: Jiangyin Pengyao Lianye Biological Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-03
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a fermentation workshop with foul smell waste gas collection device, including the fermentation workshop, the fermentation workshop is provided with the air supply mouth, and the roof top in fermentation workshop is provided with closed clerestory, and the clerestory sets up outside the inner chamber in fermentation workshop, is provided with a plurality of deodorization fan in clerestory and/or the fermentation workshop, and the air inlet and the fermentation workshop intercommunication of deodorization fan, the gas vent of deodorization fan are arranged in the clerestory, and the clerestory still is provided with total gas vent. This fermentation workshop with foul waste gas collection device sets up the clerestory through the top on the roof to outside this clerestory is located the inner chamber in fermentation workshop, set up the deodorization fan in clerestory and/or fermentation workshop, concentrate the exhaust treatment in the clerestory with the foul smell initiative introduction in the fermentation workshop, avoid the problem at roof and prior art roof below the discharge tube to appear the suction dead angle.

Description

Fermentation workshop with foul waste gas collecting device

Technical Field

The utility model relates to a fertilizer fermentation technical field, concretely relates to fermentation workshop with foul smell waste gas collection device.

Background

Malodorous gas can be generated in the processes of urban sewage treatment and organic fertilizer production. The structure of the waste gas collecting device of the sewage treatment plant is as follows: waste water is collected in a water tank, a gas-collecting hood is arranged above the water tank, and waste gas is led out from the top end of the gas-collecting hood. The fermentation workshop with the foul smell waste gas collecting device with the structure can not be transferred to a waste fermentation workshop, and the main reason is high cost. The collection of odor is the key of the waste gas treatment of large-scale fermentation plants, and the odor problem is related to whether the composting plant can normally run. Effective odor control is an important indicator of successful operation of a composting plant.

The waste gas collecting device structure in the waste fermentation workshop in the prior art is as follows: set up the air supply mouth on the wall in fermentation workshop, the roof department in fermentation workshop is fixed to be provided with a gas collecting pipe, and the extending direction of gas collecting pipe is unanimous and length is close in the length direction of fermentation workshop fermentation vat, and the pipeline below sets up the air inlet, is provided with the draught fan outside the fermentation workshop, and the air inlet of draught fan communicates with the gas vent of gas collecting pipe. The disadvantages of this solution are: first, the length of the fermentation workshop is generally 60m-120m, and the length of the air suction pipeline increases the pipeline extension pressure loss. The deodorization air volume is generally 10-12 times of the volume of a workshop, and the configuration requirement of the power of a centrifugal fan at the end part of the pipeline is often more than 220 kw; secondly, the odor is not completely sucked, and the odor is concentrated on the roofs at the two sides of the gas collecting pipe for a long time to form suction dead corners which can corrode the steel structure of the roof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a fermentation workshop with foul smell waste gas collection device, reduce the induced fan power of collecting the foul smell.

In order to realize the technical effect, the utility model discloses a technical scheme does: the utility model provides a fermentation workshop with foul smell waste gas collection device, is including the fermentation workshop that is provided with lateral wall air supplement mouth and roof gas vent, still include a plurality of deodorization fan with set up in the clerestory of the roof top in fermentation workshop, the air inlet and the roof gas vent intercommunication of deodorization fan, the gas vent of deodorization fan the clerestory communicates with each other, the clerestory still is provided with total gas vent. Further, a roof vent is disposed at a topmost end of the roof.

Preferably, the extending direction of the clerestory is consistent with the extending direction of the roof. The further clerestory is the same as or slightly less than the length of the roof in the direction of extension.

The clerestory is arranged above the roof, and comprises a clerestory frame arranged above the roof and separated from the roof, or in order to enable the clerestory and the roof structure to be more stable, the preferred technical scheme is that the clerestory is arranged on the top surface of the roof in a stacked mode. Furthermore, the clerestory is overlapped with the top surface of the top end of the roof, and the deodorizing fan is arranged in the clerestory or the exhaust port of the roof or is connected with the bottom surface of the roof.

The deodorizing fan comprises a base, an induced fan, a fan driving piece and an exhaust pipe, wherein the induced fan, the fan driving piece and the exhaust pipe are rotatably arranged in a through hole of the base, the air inlet end of the exhaust pipe is hermetically connected with the base, the exhaust pipe penetrates through an exhaust port of the roof, the exhaust end of the exhaust pipe is arranged in the clerestory, and the base is connected with the roof.

The deodorizing fan further comprises an air inlet cover arranged on the air inlet side of the induced fan, the air inlet cover is fixedly connected with the base, the air inlet cover is arranged below the roof, and the air inlet cover is provided with air holes.

The air inlet cover can be in a hemispherical shape, a spherical shape, a cylindrical shape, a prismatic shape and the like, and the preferred technical scheme is that the air inlet cover is in a cubic shape. The side surfaces of the cubic air inlet cover are planar, and a planar filter screen is convenient to assemble so as to filter out solid materials always mixed with the odorous waste gas.

The preferable technical scheme is that the air holes are uniformly distributed on the side surface and the bottom surface of the air inlet cover. The stink waste gas in the fermentation workshop enters the air inlet cover through the air holes on the side surface and the bottom surface and is finally led out of the fermentation workshop, so that no suction dead angle exists in the fermentation workshop.

The preferred technical scheme does, total gas vent set up in the tip of clerestory, the gas vent of deodorization fan all is towards total gas vent. The air flows of the air outlet of the deodorizing fan are overlapped, and the power of the induced air fan which needs to be configured at the main exhaust port is further reduced.

The preferable technical scheme is that the main exhaust port is provided with an axial flow fan. Specifically, compared with the prior art, the axial flow fan with lower power can be selected.

The preferable technical scheme is that the total exhaust port is connected with a deodorization system through an exhaust pipe.

The utility model has the advantages and the beneficial effects that:

this fermentation workshop with foul smell waste gas collection device is rational in infrastructure, through the concentrated discharge processing in the foul smell initiative introduction clerestory in the deodorization fan will the fermentation workshop to the air inlet and the roof gas vent intercommunication of deodorization fan can effectively suck waste gas, solve the suction dead angle problem among the prior art, still can reduce the induced air machine power that total gas vent needs the configuration.

Drawings

FIG. 1 is a schematic cross-sectional view showing the structure of a fermentation plant having a malodorous waste gas collecting apparatus in example 1;

FIG. 2 is a schematic view of the structure of a deodorizing fan in embodiment 1;

FIG. 3 is a schematic view showing the construction of a fermentation plant having a malodorous waste gas collecting apparatus of example 1;

FIG. 4 is a schematic view of the structure of a deodorizing fan in embodiment 2;

FIG. 5 is a schematic view showing the construction of a fermentation plant having a malodorous waste gas collecting apparatus in example 2;

in the figure: 1. a fermentation workshop; 11. a roof; 2. a side wall air supply port; 3. a clerestory; 4. a total exhaust port; 5. a deodorizing fan; 51. a base; 52. a fan guide; 53. a fan drive member; 54. an exhaust pipe; 55. an air intake hood; 6. an induced draft fan.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1 to 3, the fermentation workshop with the foul odor exhaust gas collecting device of example 1, the fermentation workshop 1 with the fermentation cavity is composed of a base surface (usually, a bottom surface), a side wall arranged on the base surface, and a roof 11 covering the top end of the side wall, wherein the window of the side wall forms a side wall air supply opening 2, the topmost end of the roof 11 is provided with a roof exhaust opening, the top end of the roof 11 is overlapped with a narrow and long closed clerestory 3, and the roof exhaust opening is positioned on the bottom surface of the clerestory 3; the long and narrow type clerestory 3 is consistent with the extending direction of the roof 11 and the length is the same as the extending direction length of the roof 11; the tip of dormer 3 is provided with total gas vent 4, and total gas vent 4 is connected with deodorization system through draught fan 6 and blast pipe.

The fermentation workshop with the foul waste gas collecting device of embodiment 1 further comprises a plurality of deodorizing fans 5, each deodorizing fan 5 comprises a base 51, an induced draft fan 52 and a fan driving part 53, the induced draft fan 52 is rotatably arranged in a through hole of the base 51, an exhaust pipe 54 is arranged on the exhaust side of the induced draft fan 52, the air inlet end of the exhaust pipe 54 is hermetically connected with the base 51, the exhaust pipe 54 penetrates through an exhaust port of a roof, the exhaust end of the exhaust pipe is arranged in the clerestory 3, and the base 51 is connected with the roof 11; an air inlet cover 55 is arranged on the air inlet side of the air guide fan 52, the air inlet cover 55 is fixedly connected with the base 51, the air inlet cover 55 is arranged below the roof 11, and an air hole (not shown in the figure) is arranged on the air inlet cover 55.

The intake cover 55 is cube-shaped; the air holes are uniformly distributed on the peripheral side surface and the bottom surface of the air inlet cover 55, the deodorization fan 5 can fully suck odor through the air inlet of the five surfaces of the air inlet cover, and no suction dead angle is ensured in the fermentation workshop 1.

Working procedure of example 1: the hot air flow in the fermentation material continuously rises, a deodorizing fan 5 is started to pump the air in the fermentation workshop 1 into the clerestory 3, the air pressure in the fermentation workshop 1 is reduced, and the air outside the workshop is supplemented through a side wall air supplementing opening 2 to keep the air pressure inside and outside the fermentation workshop 1 balanced; the malodorous exhaust gas drawn into the clerestory 3 is discharged through the total exhaust port 4 into a deodorizing system, such as a spray tower, etc., for deodorization treatment.

Example 2

As shown in fig. 4 to 5, embodiment 2 is based on embodiment 1 except that a total exhaust port 4 is provided at the end of the clerestory 3, exhaust pipes 54 are right-angled bends, and exhaust ports of the exhaust pipes 54 are all directed toward the total exhaust port 4; and the induced draft fan 6 arranged at the main exhaust port 4 is an axial flow fan. The air vents of the deodorizing fans 5 face the main air vent 4, air flows are superposed, the air flows in the clerestory 3 are pushed to move towards the main air vent 4, and the induced draft fan 6 can select an axial flow fan with smaller power.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fermentation workshop with foul smell waste gas collection device, is including the fermentation workshop that is provided with lateral wall air supplement mouth and roof gas vent, its characterized in that still includes a plurality of deodorization fan with set up in the clerestory of the roof top in fermentation workshop, the air inlet and the roof gas vent intercommunication of deodorization fan, the gas vent of deodorization fan the clerestory communicates with each other, the clerestory still is provided with total gas vent.

2. The fermentation plant with a malodorous waste gas collection device of claim 1, wherein the clerestory is in line with the extension direction of the roof.

3. The fermentation plant with a foul odor gas collecting device of claim 1, wherein the clerestory is stacked on the top surface of the roof.

4. The fermentation workshop with the malodorous waste gas collection device of claim 1, wherein the deodorizing fan comprises a base, an induced air fan rotatably arranged in a through hole of the base, a fan driving piece and an exhaust pipe with an air inlet end hermetically connected with the base, the exhaust pipe is arranged in the roof exhaust port in a penetrating way, and the exhaust end of the exhaust pipe is arranged in the clerestory; the base is connected with the roof.

5. The fermentation workshop with the foul waste gas collecting device according to claim 4, wherein the deodorizing fan further comprises an air inlet cover arranged on the air inlet side of the induced fan, the air inlet cover is fixedly connected with the base, the air inlet cover is arranged below the roof, and the air inlet cover is provided with an air hole.

6. The fermentation plant with a malodorous waste gas collection device of claim 5, wherein the air inlet hood is cube-shaped.

7. The fermentation workshop with the foul smell waste gas collecting device of claim 6, wherein the air holes are uniformly distributed on the side and the bottom of the air inlet hood.

8. The fermentation workshop with the foul smell waste gas collecting device of claim 2, wherein the total exhaust port is arranged at the end of the clerestory, and the exhaust ports of the deodorizing fans are all towards the total exhaust port.

9. The fermentation plant with a malodorous waste gas collection device of claim 8, wherein the total exhaust port is provided with an axial flow fan.

10. The fermentation plant with a collection device of malodorous waste gas of claim 9, wherein the total exhaust port is connected with a deodorization system through an exhaust pipe.