Harmless odor treatment device for poultry died of illness

Abstract

The utility model provides a harmless odor treatment device for dead poultry, which comprises an odor conveying air pipe, a circulating water tank, a spray washing device and a dosing device, the spray washing device consists of a circulating pump, a spray faucet and a spray communicating pipe, the odor conveying air pipe is communicated with the circulating water tank through a water return port and a water return pipe, the circulating pump is communicated with the circulating water tank, and the spray faucet is communicated with the dosing device. The output end of the circulating pump is connected with the spraying communicating pipe, and the spraying faucet is installed on the spraying communicating pipe and located in the odor conveying air pipe; the dosing device is composed of a hydrogen peroxide dosing system, a ferrous sulfate dosing system and a sulfuric acid dosing system. The device has the beneficial effects that hydroxyl radicals are generated based on Fenton reaction and are utilized to oxidize residual foul substances on the pipe wall of the odor conveying air pipe, so that the effect of regularly cleaning the odor conveying air pipe is achieved, the concentration of foul pollutants in the inlet air of the deodorization system can be effectively reduced, and the deodorization effect is improved. The problem of harmless odor treatment of the poultry died of diseases is better solved, and the method is worthy of popularization and application.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a device for harmless odor treatment of dead poultry. Background Art

[0002] With the construction of sanitary treatment plants in every city, the treatment of odor from the harmless disposal of dead poultry has become a difficult problem, especially the deodorization of high-concentration mercaptan and sulfide vapors emitted from the cooking of dead poultry reactors. The unpleasant odor has always plagued the operation of the project. Utility Model Content

[0003] In order to solve the technical problem of difficulty in treating the odor of dead poultry in the prior art, the utility model provides a device for harmless odor treatment of dead poultry, including an odor conveying air duct, a circulating water tank, a spray washing device, and a dosing device. The odor conveying air duct is provided with an odor air inlet, an air outlet and a return water outlet. The spray washing device is composed of a circulating pump, a spray faucet and a spray connecting pipe. The odor conveying air duct and the circulating water tank are connected by a return water outlet and a return water pipe. The circulating pump is connected to the circulating water tank. The output end of the circulating pump is connected to the spray connecting pipe. The spray faucet is installed on the spray connecting pipe. The spray faucet is located inside the odor conveying air duct; the dosing device is composed of a hydrogen peroxide dosing system, a ferrous sulfate dosing system and a sulfuric acid dosing system, the hydrogen peroxide dosing system consists of a hydrogen peroxide dosing barrel, a hydrogen peroxide delivery pipe and a hydrogen peroxide metering pump, the hydrogen peroxide metering pump is connected to the hydrogen peroxide dosing barrel, and the hydrogen peroxide metering pump is connected to the circulating water tank through the hydrogen peroxide delivery pipe, the sulfuric acid dosing system consists of a sulfuric acid dosing barrel, a sulfuric acid delivery pipe and a sulfuric acid metering pump, the sulfuric acid metering pump is connected to the sulfuric acid dosing barrel, and the sulfuric acid metering pump is connected to the circulating water tank through the sulfuric acid delivery pipe, the ferrous sulfate dosing system consists of a ferrous sulfate dosing barrel, a ferrous sulfate delivery pipe and a ferrous sulfate metering pump, the ferrous sulfate metering pump is connected to the ferrous sulfate dosing barrel, and the ferrous sulfate metering pump is connected to the circulating water tank through the ferrous sulfate delivery pipe.

[0004] As a further improvement of the utility model, the device also includes a stirrer, and the stirrer is installed in the ferrous sulfate dosing barrel.

[0005] As a further improvement of the present invention, there are multiple spray faucets.

[0006] As a further improvement of the present invention, a plurality of the spray faucets are located at the bottom of the odor conveying air duct.

[0007] As a further improvement of the utility model, the spraying direction of the spray faucet is upward.

[0008] As a further improvement of the utility model, the sulfuric acid dosing barrel is made of PE material, and the sulfuric acid delivery pipe is made of tetrafluoroethylene material.

[0009] The beneficial effects of the utility model are as follows: the utility model generates hydroxyl radicals based on the Fenton reaction, utilizes the hydroxyl radicals to oxidize the residual odorous substances on the wall of the odor conveying air duct, thereby achieving the effect of regularly cleaning the odor conveying air duct, and can effectively reduce the concentration of odorous pollutants in the intake air of the deodorization system, better solve the problem of harmless odor treatment of dead poultry, and is worthy of promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0011] like Figure 1 As shown, the utility model discloses a device for harmless odor treatment of dead poultry, including an odor conveying air duct 1, a circulating water tank 5, a spray washing device, and a dosing device. The odor conveying air duct 1 is provided with an odor air inlet 3, an air outlet 4 and a return water port 10. The spray washing device is composed of a circulating pump 6, a spray faucet 8 and a spray connecting pipe 7. The odor conveying air duct 1 and the circulating water tank 5 are connected by the return water port 10 and the return water pipe 9. The circulating pump 6 is connected to the circulating water tank 5. The output end of the circulating pump 6 is connected to the spray connecting pipe 7. The spray faucet 8 is installed on the spray connecting pipe 7, and the spray faucet 8 is located inside the odor conveying air duct 1; the dosing device is composed of a hydrogen peroxide dosing system, a ferrous sulfate dosing system and a sulfuric acid dosing system. The hydrogen peroxide dosing system is composed of a hydrogen peroxide dosing system. The water dosing barrel 11, the hydrogen peroxide delivery pipe 13 and the hydrogen peroxide metering pump 12 are composed, the hydrogen peroxide metering pump 12 is connected to the hydrogen peroxide dosing barrel 11, and the hydrogen peroxide metering pump 12 is connected to the circulating water tank 5 through the hydrogen peroxide delivery pipe 13. The sulfuric acid dosing system is composed of a sulfuric acid dosing barrel 14, a sulfuric acid delivery pipe 16 and a sulfuric acid metering pump 15. The sulfuric acid metering pump 15 is connected to the sulfuric acid dosing barrel 14, and the sulfuric acid metering pump 15 is connected to the circulating water tank 5 through the sulfuric acid delivery pipe 16. The ferrous sulfate dosing system is composed of a ferrous sulfate dosing barrel 17, a ferrous sulfate delivery pipe 20 and a ferrous sulfate metering pump 18. The ferrous sulfate metering pump 18 is connected to the ferrous sulfate dosing barrel 17, and the ferrous sulfate metering pump 18 is connected to the circulating water tank 5 through the ferrous sulfate delivery pipe 20.

[0012] As a preferred embodiment of the utility model, the device also includes an agitator 19, which is installed in the ferrous sulfate dosing barrel 17. There are multiple spray faucets 8, and the multiple spray faucets 8 are located at the bottom of the odor conveying air duct 1. The sulfuric acid dosing barrel 14 is made of PE material, and the sulfuric acid delivery pipe 16 is made of tetrafluoroethylene material.

[0013] The wall of the odor conveying air duct 1 is attached with residual odorous matter 2 from which high concentration of odor passes. The main components of the odorous matter 2 are methyl mercaptan and methyl sulfide. The time required for cleaning the wall of the odor conveying air duct 1 with the residual odorous matter 2 is 6 to 8 hours.

[0014] The steps to use are as follows:

[0015] Step 1: inject a certain amount of tap water into the circulating water tank 5, transport the sulfuric acid in the sulfuric acid dosing barrel 14 to the circulating water tank 5, and adjust the pH value to 3-4;

[0016] Step 2: transport the hydrogen peroxide in the hydrogen peroxide dosing barrel 11 to the circulating water tank 5;

[0017] Step 3: transport the ferrous sulfate in the ferrous sulfate dosing barrel 17 to the circulating water tank 5;

[0018] Step 4: Fenton reaction occurs in the circulating water tank 5 to generate hydroxyl free radicals;

[0019] Step 5: Turn on the circulation pump 6, and through the spray washing device, the malodorous substances 2 attached to the inner wall of the odor conveying air duct 1 are oxidized by hydroxyl radicals into carbon dioxide and water, etc., and enter the circulation water tank 5 through the return pipe 9.

[0020] In the fifth step, the time required for cleaning the residual odor 2 is 6 to 8 hours.

[0021] During the whole process, the concentration of circulating fluid agent is 0.5-0.8%.

[0022] The utility model is compared with the cleaning process of alkali washing, and the treatment effect of the utility model is more stable and the operation cost is lower.

[0023] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A device for harmless odor treatment of dead poultry, characterized in that: The invention comprises an odor conveying air duct (1), a circulating water tank (5), a spray washing device, and a dosing device. The odor conveying air duct (1) is provided with an odor air inlet (3), an air outlet (4) and a water return port (10). The spray washing device is composed of a circulating pump (6), a spray faucet (8) and a spray connecting pipe (7). The odor conveying air duct (1) and the circulating water tank (5) are connected via the water return port (10) and the water return pipe (9). The circulating pump (6) is connected to the circulating water tank (5). The output end of the circulating pump (6) is connected to the spray connecting pipe (7). The spray faucet (8) is installed on the spray connecting pipe (7). The spray faucet (8) is located inside the odor conveying air duct (1). The dosing device is composed of a hydrogen peroxide dosing system, a ferrous sulfate dosing system and a sulfuric acid dosing system. The hydrogen peroxide dosing system is composed of a hydrogen peroxide dosing barrel (11), a hydrogen peroxide conveying pipe (12), and a ferrous sulfate dosing system. 3) and a hydrogen peroxide metering pump (12), the hydrogen peroxide metering pump (12) being connected to the hydrogen peroxide dosing barrel (11), the hydrogen peroxide metering pump (12) being connected to the circulating water tank (5) through the hydrogen peroxide delivery pipe (13), the sulfuric acid dosing system being composed of a sulfuric acid dosing barrel (14), a sulfuric acid delivery pipe (16) and a sulfuric acid metering pump (15), the sulfuric acid metering pump (15) being connected to the sulfuric acid dosing barrel (14), the sulfuric acid metering pump (15) being connected to the circulating water tank (5) through the sulfuric acid delivery pipe (16), the ferrous sulfate dosing system being composed of a ferrous sulfate dosing barrel (17), a ferrous sulfate delivery pipe (20) and a ferrous sulfate metering pump (18), the ferrous sulfate metering pump (18) being connected to the ferrous sulfate dosing barrel (17), the ferrous sulfate metering pump (18) being connected to the circulating water tank (5) through the ferrous sulfate delivery pipe (20); There are multiple spray faucets (8); the multiple spray faucets (8) are located at the bottom of the odor conveying air duct (1); and the spraying direction of the spray faucets (8) is upward.

2. The device according to claim 1, characterized in that: The device also includes a stirrer (19), and the stirrer (19) is installed in the ferrous sulfate dosing barrel (17).

3. The device according to claim 1, characterized in that: The sulfuric acid dosing barrel (14) is made of PE material, and the sulfuric acid delivery pipe (16) is made of tetrafluoroethylene material.

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