CN214075929U

CN214075929U - Tail gas treatment device of environment-friendly bio-organic fertilizer drying equipment

Info

Publication number: CN214075929U
Application number: CN202023023309.2U
Authority: CN
Inventors: 姜宏; 姜志忠; 张正军
Original assignee: Changzhou Hongbao Biological Technology Co ltd
Current assignee: Changzhou Hongbao Biological Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-31
Anticipated expiration: 2030-12-15

Abstract

The utility model belongs to tail gas processing field specifically is environment-friendly bio-organic fertilizer drying equipment's tail gas processing apparatus, including spray column, cistern and purifying box, the intake pipe has been erect to fixed ann in the middle of the spray column is left, the left side fixed mounting of spray column has the sour liquid case, the right side fixed mounting of spray column has the lye case, the right side fixed mounting of intake pipe has the pH valve to detect the sensor, the top fixed mounting of spray column has the air duct, the bottom of spray column inner chamber is provided with the cistern. Detect the acidolysis degree condition of tail gas through pH valve detection sensor to control acidizing fluid case or lye tank add the pH solution in to the cistern, spout by annular nozzle again and form the water curtain, thereby carry out pH valve neutralization to tail gas, reach the effect of automatic neutralization tail gas, carry out ultraviolet irradiation through high energy photodissociation fluorescent tube to the tail gas in the U-shaped quartz glass pipe, thereby decompose the harmful substance in the tail gas, thereby reach the effect of purification.

Description

Tail gas treatment device of environment-friendly bio-organic fertilizer drying equipment

Technical Field

The utility model relates to a tail gas treatment field especially relates to environment-friendly bio-organic fertilizer drying equipment's tail gas processing apparatus.

Background

The organic fertilizer is mainly derived from plants or animals, is prepared from animal and plant wastes and plant residues through processing carbon-containing materials which are applied to soil to provide plant nutrition as main functions, eliminates toxic and harmful substances in the organic fertilizer, is rich in a large amount of beneficial substances, and is an important operation unit in chemical production for drying the organic fertilizer. The hydrogen sulfide is a foul gas generated in the production process of the organic fertilizer, has irritant and asphyxiant colorless gas, has local irritation of respiratory tracts and eyes only when in low-concentration contact, has obvious systemic effect at high concentration, and is manifested as central nervous system symptoms and asphyxia symptoms, so that the purification treatment of tail gas generated in the production of the organic fertilizer is very important.

The tail gas processing apparatus of fertilizer production of prior art only adopts the physical adsorption effect to handle the tail gas of fertilizer production, and purification efficiency is low, carries out the neutralization to tail gas according to the tail gas pH valve condition moreover, can't confirm behind the tail gas treatment whether the content of harmful gas is too high in the tail gas, if harmful gas does not get rid of totally in the tail gas then still can cause the pollution to the environment.

In order to solve the problems, the application provides a tail gas treatment device of an environment-friendly bio-organic fertilizer drying device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides an environment-friendly bio-organic fertilizer drying equipment's tail gas processing apparatus has the characteristics of neutralization tail gas and high-efficient purification.

(II) technical scheme

In order to solve the technical problem, the utility model provides a tail gas treatment device of environment-friendly bio-organic fertilizer drying equipment, which comprises a spray tower, a reservoir and a purification box, wherein an air inlet pipe is fixedly arranged in the middle of the left side of the spray tower, an acid liquor box is fixedly arranged on the left side of the spray tower, an alkali liquor box is fixedly arranged on the right side of the spray tower, a pH value detection sensor is fixedly arranged on the right side of the air inlet pipe, an air guide pipe is fixedly arranged at the top of the spray tower, the reservoir is arranged at the bottom of an inner cavity of the spray tower, a fixed pipe is fixedly arranged at the bottom of the inner cavity of the reservoir, an annular nozzle is fixedly arranged at the top of the fixed pipe, a dust collection net is fixedly arranged at the lower part of the inner cavity of the spray tower, a demister is fixedly arranged at the upper part of the inner cavity of the spray tower, the other end of the air guide pipe is connected with the purification box, and high-energy photolysis lamp tubes are fixedly arranged at the top and the bottom of the inner cavity of the purification box, the inside fixed mounting of purifying box has the U-shaped quartz glass pipe, the right side fixed mounting of purifying box has the blast pipe, fixed mounting has hydrogen sulfide detection sensor on the blast pipe, the top fixedly connected with muffler of blast pipe, fixed mounting has the second fan on the muffler.

Preferably, the left side fixed mounting of intake pipe has first fan, install the drainage tube on sour liquid case and the lye case, the other end of drainage tube is connected in the cistern, install the valve on the drainage tube.

Preferably, the inner chamber of cistern installs the water pump, install the water pipe on the water pump, the other end of water pipe is connected in fixed pipe.

Preferably, the top of the water storage tank is concave, and a water through hole is formed in the top of the water storage tank.

Preferably, a water filling port and a water outlet are respectively installed on the left side and the right side of the water storage tank, and both the water filling port and the water outlet penetrate through the spray tower.

Preferably, the right side of the exhaust pipe is fixedly provided with an activated carbon pipe, and the left end of the air return pipe is connected with the air guide pipe.

The above technical scheme of the utility model has following profitable technological effect:

1. detect the acidolysis degree condition of tail gas through pH valve detection sensor to control acidizing fluid case or lye tank add the pH solution in to the cistern, spout by annular nozzle again and form the water curtain, thereby carry out pH valve neutralization to tail gas, reach the effect of automatic neutralization tail gas, carry out ultraviolet irradiation through high energy photodissociation fluorescent tube to the tail gas in the U-shaped quartz glass pipe, thereby decompose the harmful substance in the tail gas, thereby reach the effect of purification.

2. Whether hydrogen sulfide content in the tail gas after detecting the purification through hydrogen sulfide detection sensor is up to standard, if not up to standard then carry out the blast air with tail gas through the active carbon pipe and guide to return in the air pipe, carry by the air duct again and continue to carry out the photolysis reaction in carrying the purifying box to reach the effect of automatic cycle purification.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the present invention.

Reference numerals:

1. a spray tower; 11. an air inlet pipe; 12. an acid liquid tank; 13. an alkaline liquid tank; 14. a first fan; 15. a pH value sensor; 16. an air duct; 2. a reservoir; 21. a fixed tube; 22. an annular nozzle; 23. a water pump; 24. a water pipe; 25. a dust collecting net; 26. a demister; 3. a purification box; 31. a high-energy photolytic lamp tube; 32. a U-shaped quartz glass tube; 33. an exhaust pipe; 34. a hydrogen sulfide detection sensor; 35. an activated carbon tube; 36. an air return pipe; 37. and a second fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, a tail gas treatment device of an environment-friendly bio-organic fertilizer drying device is provided, which comprises a spray tower 1, a water reservoir 2 and a purification box 3, wherein an air inlet pipe 11 is fixedly arranged in the middle of the left side of the spray tower 1.

Referring to fig. 1-2, an acid liquid tank 12 is fixedly installed on the left side of a spray tower 1, an alkaline liquid tank 13 is fixedly installed on the right side of the spray tower 1, a ph value detection sensor 15 is fixedly installed on the right side of an air inlet pipe 11, an air guide pipe 16 is fixedly installed on the top of the spray tower 1, the spray tower 1 is used for installing each component, the acid liquid tank 12 and the alkaline liquid tank 13 are used for storing acid and alkaline liquid, the ph value detection sensor 15 is used for detecting the ph value condition in tail gas, and the air guide pipe 16 is used for connecting the spray tower 1 and a purification box 3.

Referring to fig. 1-2 again, the bottom of the inner cavity of the spray tower 1 is provided with a water reservoir 2, the bottom of the inner cavity of the water reservoir 2 is fixedly provided with a fixed pipe 21, the top of the fixed pipe 21 is fixedly provided with an annular nozzle 22, the lower part of the inner cavity of the spray tower 1 is fixedly provided with a dust collecting net 25, the upper part of the inner cavity of the spray tower 1 is fixedly provided with a demister 26, the water reservoir 2 is used for storing water for spraying, the fixed pipe 21 is used for installing the annular nozzle 22, the annular nozzle 22 is used for spraying liquid to form a water curtain, so that dust in tail gas is wetted and falls off, the dust collecting net 25 is used for collecting the wetted dust, and the demister 26 is used for demisting the tail gas passing through the water curtain.

Referring to fig. 1-2 again, the other end of the gas guiding tube 16 is connected to the purifying box 3, the top and bottom of the inner cavity of the purifying box 3 are fixedly provided with the high-energy photolysis lamp tube 31, the inside of the purifying box 3 is fixedly provided with the U-shaped quartz glass tube 32, the right side of the purifying box 3 is fixedly provided with the gas discharging tube 33, the gas discharging tube 33 is fixedly provided with the hydrogen sulfide detection sensor 34, the top of the gas discharging tube 33 is fixedly connected with the gas returning tube 36, the gas returning tube 36 is fixedly provided with the second fan 37, the purifying box 3 is used for providing a container for photolysis of the tail gas, the high-energy photolysis lamp tube 31 is used for performing ultraviolet irradiation on the tail gas so as to photolysis of harmful gas in the tail gas, the U-shaped quartz glass tube 32 is used for prolonging the time of photolysis of the tail gas by bending, the gas discharging tube 33 is used for preventing the purified tail gas, the hydrogen sulfide detection sensor 34, the gas returning tube 36 and the second fan 37 are used for matching, the content of hydrogen sulfide in the tail gas is detected by the hydrogen sulfide detection sensor 34, if the content of hydrogen sulfide is high, the tail gas is pumped into the air return pipe 36 by the second fan 37, and then is conveyed back to the air guide pipe 16 by the air return pipe 36, and the tail gas is purified continuously by the purifying box 3.

Specifically, the left side fixed mounting of intake pipe 11 has first fan 14, and first fan 14 is used for carrying tail gas to spray column 1 in through the air-blast, installs the drainage tube on sour liquid case 12 and the lye tank 13, and the other end of drainage tube is connected in cistern 2, installs the valve on the drainage tube, through opening of valve control drainage tube to make acid, alkali lye in sour liquid case 12 and the lye tank 13 can be carried to in the cistern 2.

Specifically, a water pump 23 is installed in the inner cavity of the reservoir 2, a water pipe 24 is installed on the water pump 23, and the other end of the water pipe 24 is connected to the fixed pipe 21 and pumps the mixed liquid in the reservoir 2 into the fixed pipe 21 through the water pump 23.

Specifically, the shape at the top of the water storage tank 2 is concave, the top of the water storage tank 2 is provided with a limber hole, and sprayed mixed liquid can flow into the water storage tank 2 again through the limber hole, so that the water can be recycled.

Specifically, a water filling port and a water discharging port are respectively arranged on the left side and the right side of the water storage tank 2, the water filling port and the water discharging port penetrate through the spray tower 1, and water is conveniently added into the water storage tank 2 or the water in the water storage tank 2 is discharged through the water filling port and the water discharging port.

Specifically, the right side fixed mounting of blast pipe 33 has activated carbon tube 35, adsorbs the peculiar smell in with tail gas through the active carbon in the activated carbon tube 35 to reach the effect of removing the flavor, the left end of muffler 36 is connected in air duct 16 and is conveniently carried the tail gas that does not purify completely to air duct 16 once more, carries by air duct 16 again and continues to purify in purifying box 3.

The utility model discloses a theory of operation and use flow: the tail gas is pumped into the spray tower 1 through the air inlet pipe 11 by the first fan 14, when the tail gas enters the air inlet pipe 11, the pH value detection sensor 15 can detect the pH condition of the tail gas, thereby controlling the acid liquid or alkali liquid added into the spray tower 1 by the acid liquid tank 12 and the alkali liquid tank 13, pumping the liquid in the reservoir 2 to the fixed pipe 21 by the water pump 23, and then spraying out the liquid to form a water curtain by the annular nozzle 22 at the top of the fixed pipe 21, thereby wetting the impurities of the dust in the tail gas, collecting the wetted dust by the dust collecting net 25, demisting the tail gas by the demister 26, then conveying the tail gas to the purification box 3 by the air duct 16, when the tail gas passes through the U-shaped quartz glass pipe 32 in the purification box 3, the high-energy photolysis lamp tube 31 irradiates the tail gas in the U-shaped quartz glass pipe 32 with ultraviolet rays, thereby photolyzing and purifying the harmful gas in the tail gas, and then discharging the peculiar smell adsorbed by the activated carbon pipe 35 on the hydrogen sulfide detection sensor 34, the hydrogen sulfide content in tail gas can be detected through the exhaust pipe 33 and the hydrogen sulfide detection sensor 34 after purification, the content is too high, the tail gas can be pumped into the air duct 16 again by the second fan 37, and then the tail gas is conveyed into the purifying box 3 for photolysis again.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. Environment-friendly bio-organic fertilizer drying equipment's tail gas processing apparatus, including spray column (1), cistern (2) and purifying box (3), its characterized in that, fixed ann puts up intake pipe (11) in the middle of spray column (1) left, the left side fixed mounting of spray column (1) has sour liquid case (12), the right side fixed mounting of spray column (1) has lye tank (13), the right side fixed mounting of intake pipe (11) has pH valve detection sensor (15), the top fixed mounting of spray column (1) has air duct (16), the bottom of spray column (1) inner chamber is provided with cistern (2), the bottom fixed mounting of cistern (2) inner chamber has fixed tube (21), the top fixed mounting of fixed tube (21) has annular nozzle (22), the lower part fixed mounting of spray column (1) inner chamber has dust collecting net (25), the utility model discloses a spray tower (1) upper portion fixed mounting of inner chamber has defroster (26), the other end of air duct (16) is connected with purifying box (3), the top and the bottom fixed mounting of purifying box (3) inner chamber have high energy photolysis fluorescent tube (31), the inside fixed mounting of purifying box (3) has U-shaped quartz glass pipe (32), the right side fixed mounting of purifying box (3) has blast pipe (33), fixed mounting has hydrogen sulfide detection sensor (34) on blast pipe (33), the top fixedly connected with muffler (36) of blast pipe (33), fixed mounting has second fan (37) on muffler (36).

2. The tail gas treatment device of the environment-friendly bio-organic fertilizer drying equipment according to claim 1, wherein a first fan (14) is fixedly installed on the left side of the air inlet pipe (11), drainage pipes are installed on the acid liquid tank (12) and the alkali liquid tank (13), the other ends of the drainage pipes are connected to the water storage tank (2), and valves are installed on the drainage pipes.

3. The tail gas treatment device of the environment-friendly bio-organic fertilizer drying equipment according to claim 1, wherein a water pump (23) is installed in an inner cavity of the water storage tank (2), a water pipe (24) is installed on the water pump (23), and the other end of the water pipe (24) is connected to the fixed pipe (21).

4. The tail gas treatment device of the environment-friendly bio-organic fertilizer drying equipment according to claim 1, wherein the top of the water storage tank (2) is concave, and a water through hole is formed in the top of the water storage tank (2).

5. The tail gas treatment device of the environment-friendly bio-organic fertilizer drying equipment according to claim 1, wherein a water filling port and a water discharging port are respectively installed on the left side and the right side of the water storage tank (2), and both the water filling port and the water discharging port penetrate through the spray tower (1).

6. The tail gas treatment device of the environment-friendly bio-organic fertilizer drying equipment according to claim 1, wherein an activated carbon tube (35) is fixedly installed on the right side of the exhaust pipe (33), and the left end of the air return pipe (36) is connected to the air guide pipe (16).