CN214345540U

CN214345540U - Treatment system for odor and peculiar smell gas

Info

Publication number: CN214345540U
Application number: CN202023248367.5U
Authority: CN
Inventors: 韩忠娟; 陈文照
Original assignee: Fujian Hengjia Environmental Protection Equipment Co ltd
Current assignee: Fujian Hengjia Environmental Protection Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-08
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a treatment system of foul smell peculiar smell gas belongs to the technical field that the foul smell gas was administered. The device comprises a chemical oxidation tower, an activated carbon adsorption bed, a fan and an exhaust funnel which are sequentially communicated through a pipeline, wherein an automatic control air inlet valve is arranged on a pipeline section between the chemical oxidation tower and the activated carbon adsorption bed; the chemical oxidation tower comprises a tower body, wherein a circulating water tank, a packing layer, a gas-liquid separation layer and a steam heater are arranged in the tower body from bottom to top. The utility model provides a gaseous scheduling problem that the easy production of prior art's gaseous treatment system existence influences health.

Description

Treatment system for odor and peculiar smell gas

Technical Field

The utility model relates to a treatment system of foul smell peculiar smell gas belongs to the technical field that the foul smell gas was administered.

Background

The stink problem is the second most disturbing complaint problem of the noise in China, and the stink problem treatment is urgent. The existing technology for treating the odor and peculiar smell mainly adopts a single adsorption method, a low-temperature plasma, UV photocatalysis and acid-base absorption technology or a combined technology of the technologies, and because the low-temperature plasma and the photocatalysis technology can generate a byproduct ozone in the treatment process, the technology brings adverse effects on human health and environment.

Patent document with prior art application number CN201820290598.6 discloses an odor treatment complete sets based on photocatalytic oxidation and microwave adsorption, including photocatalytic oxidation equipment and microwave treatment equipment, photocatalytic oxidation equipment includes casing filter module, light touch module and ultraviolet lamp module, the casing both ends are provided with waste gas entry and purified gas outlet respectively, filter module includes primary filter net and high efficiency filter net, light touch module includes aluminium base honeycomb net and nickel base honeycomb net, aluminium base honeycomb net and nickel base honeycomb net all are scribbled the photocatalyst material, microwave treatment equipment is including purifying the box, RF absorbing material and microwave generator, purifying the box both ends and being provided with tail gas entry and tail gas outlet, be provided with a plurality of air flow channel on the RF absorbing material.

Above-mentioned reference example and prior art's gaseous treatment system has the gaseous scheduling problem that easily produces the influence health, consequently, the utility model provides a gaseous treatment system of stench peculiar smell is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming such as the easy production of current gaseous treatment system existence influences the gas of health, the utility model discloses a gaseous treatment system of stench peculiar smell, the utility model discloses high integration can be handled the purification to the stench gas when not producing the gas that influences health.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a treatment system for odor and peculiar smell gases comprises a chemical oxidation tower, an activated carbon adsorption bed, a fan and an exhaust funnel which are sequentially communicated through a pipeline, wherein an automatic control air inlet valve is arranged on a pipeline section between the chemical oxidation tower and the activated carbon adsorption bed; the chemical oxidation tower comprises a tower body, a circulating water tank, a packing layer, a gas-liquid separation layer and a steam heater are arranged in the tower body from bottom to top, the packing layer, the gas-liquid separation layer and the steam heater are arranged at intervals and are fixedly arranged on the inner wall of the tower body through the fixed mounting rack, the top of the tower body is provided with an exhaust port, the tower body outside the circulating water tank is provided with a dosing port, an air inlet and a water replenishing port, the medicine feeding port, the air inlet and the water replenishing port are all communicated with the circulating water tank, a sprayer is arranged between the filler layer and the gas-liquid separation layer in the tower body, the sprayer is fixedly arranged on the inner wall of the tower body, one end of the sprayer penetrates out of the tower body and is communicated with the bottom of the circulating water tank through a circulating liquid pipe, two second valves are arranged on the pipe section of the circulating liquid pipe, and a circulating water pump for providing power is further arranged on the pipe section between the two second valves.

The chemical oxidation tower is communicated with the activated carbon adsorption bed through a first connecting pipe, the automatic control air inlet valve is arranged on a pipe section of the first connecting pipe, the activated carbon adsorption bed is communicated with the fan through a second connecting pipe, and the fan is communicated with the exhaust funnel through a third connecting pipe.

And a jumper pipe is further arranged between the first connecting pipe and the second connecting pipe, one end of the jumper pipe is communicated with the second connecting pipe, the other end of the jumper pipe is communicated with the chemical oxidation tower on the pipe section of the first connecting pipe between the chemical oxidation tower and the self-control air inlet valve, and a bypass valve is arranged on the jumper pipe.

The tower body that the tower body is close to the bottom is provided with the leakage fluid dram on one's body, leakage fluid dram and circulation tank inside intercommunication.

And an ORP online detector and an online liquid level detector are also embedded in the tower body outside the circulating water tank.

And online thermometers are embedded on the tower bodies positioned above and below the steam heater outside the tower body.

And a liquid distributor is arranged in the penetrating end of the sprayer.

Compared with the prior art the utility model discloses there are following characteristics and beneficial effect: the utility model can discharge the gas after reaching the standard and simultaneously can not generate the gas such as ozone and the like harmful to the human body through the arrangement of the chemical oxidation tower and the active carbon adsorption bed;

the utility model discloses a packing layer, gas-liquid separation layer, steam heater's setting makes can accomplish chemical oxidation, gas-liquid separation, intensification dehumidification in proper order after gaseous entering chemical oxidation tower.

The utility model can realize the automatic control of each valve and monitor the internal data of the tower body in real time by arranging the ORP on-line detector, the on-line temperature measuring instrument and the on-line liquid level detector and connecting the instruments with the respective corresponding valve signals;

the utility model discloses a thereby can control the exhaust concentration according to the exhaust concentration of aiutage to self-control admission valve and bypass valve through the setting of jumper pipe, self-control admission valve and bypass valve, realize active carbon adsorption bed work or stand-by state, can prolong active carbon adsorption saturation time, reduce the active carbon change expense.

Drawings

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

fig. 2 is a schematic structural diagram of the chemical oxidation tower of the present invention.

Wherein the reference numerals are: 1. odorous waste gas; 11. steam; 12. condensing water; 2. a chemical oxidation tower; 20. a tower body; 201. a circulating liquid pipe; 202. a water circulating pump; 203. a medicine adding port; 204. a circulating water tank; 205. an ORP online detector; 206. a filler layer; 207. a sprayer; 208. a gas-liquid separation layer; 209. an online thermodetector; 210. a steam heater; 212. an exhaust port; 213. fixing the mounting rack; 214. an air inlet; 215. an online liquid level detector; 216. a water replenishing port; 217. a liquid discharge port; 218. a liquid distributor; 219. a second valve; 3. a first connecting pipe; 31. an automatic control air inlet valve; 4. a jumper tube; 41. a bypass valve; 5. an activated carbon adsorption bed; 6. a second connecting pipe; 7. a fan; 8. a third connecting pipe; 9. an exhaust funnel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-2, the system for treating malodorous and odorous gas of the present embodiment includes a chemical oxidation tower 2, an activated carbon adsorption bed 5, a fan 7 and an exhaust stack 9, which are sequentially communicated through a pipeline, wherein a pipeline section between the chemical oxidation tower 2 and the activated carbon adsorption bed 5 is provided with an automatic control air intake valve 31; the chemical oxidation tower 2 comprises a tower body 20, a circulating water tank 204, a packing layer 206, a gas-liquid separation layer 208, a steam heater 210, the packing layer 206 and the gas-liquid separation layer 208 are arranged in the tower body 20 from bottom to top, steam heater 210 sets up at the interval and all through fixed mounting frame 213 fixed mounting at the tower body 20 inner wall, open at the tower body 20 top has gas vent 212, be provided with on the tower body 20 outside circulating water tank 204 with medicine mouth 203, air inlet 214 and moisturizing mouth 216, medicine mouth 203, air inlet 214 and moisturizing mouth 216 all communicate with circulating water tank 204, be provided with spray thrower 207 between filler layer 206 and the gas-liquid separation layer 208 in the tower body 20, spray thrower 207 fixed mounting is on the tower body 20 inner wall, spray thrower 207 one end is worn out the tower body 20 and is passed through circulating liquid pipe 201 and circulating water tank 204 bottom intercommunication, be provided with two second valves 219 on the circulating liquid pipe 201 pipe section, still be provided with the circulating water pump 202 that is used for providing power on the pipe section between two second valves 219.

Further, the chemical oxidation tower 2 is communicated with the activated carbon adsorption bed 5 through the first connecting pipe 3, the automatic control air inlet valve 31 is arranged on the pipe section of the first connecting pipe 3, the activated carbon adsorption bed 5 is communicated with the fan 7 through the second connecting pipe 6, and the fan 7 is communicated with the exhaust funnel 9 through the third connecting pipe 8.

Further, a jumper pipe 4 is further arranged between the first connecting pipe 3 and the second connecting pipe 6, one end of the jumper pipe 4 is communicated with the second connecting pipe 6, the other end of the jumper pipe 4 is communicated with the chemical oxidation tower 2 on a pipe section of the first connecting pipe 3 between the chemical oxidation tower 2 and the self-control air inlet valve 31, and a bypass valve 41 is arranged on the jumper pipe 4.

Further, a liquid outlet 217 is formed in the tower body 20 close to the bottom, and the liquid outlet 217 is communicated with the inside of the circulating water tank 204.

Further, an ORP online detector 205 and an online liquid level detector 215 are embedded in the tower body 20 outside the circulating water tank 204.

Further, an online temperature measuring instrument 209 is embedded in the tower body 20 above and below the steam heater 210.

Further, a liquid distributor 218 is provided in the penetrating end of the shower 207.

Further, the dosing port 203 is communicated with an external dosing pipeline (not shown in the figure), a dosing automatic control valve is arranged on the dosing pipeline, and the dosing automatic control valve is in signal connection with the ORP online detector 205.

Further, the water replenishing port 216 is communicated with an external water replenishing pipeline (not shown in the figure), a water replenishing automatic control valve is arranged on the water replenishing pipeline, and the water replenishing automatic control valve is in signal connection with the online liquid level detector 215.

Further, a steam control valve is arranged on a pipe section of an air inlet pipe of the steam heater 210, and the steam control valve is in signal connection with the online temperature measuring instrument 209.

The utility model discloses a theory of operation: malodorous gas 1 enters a chemical oxidation tower 2 from an air inlet 214 of the chemical oxidation tower 2, firstly, the malodorous gas 1 is oxidized by oxidation absorption liquid, the malodorous gas 1 enters the chemical oxidation tower 2 and then rises to a packing layer 206, a circulating water tank 204 is used for storing the oxidation absorption liquid, the oxidation absorption liquid enters a sprayer 207 through a circulating liquid pipe 201 under the action of a circulating water pump 202 and is sprayed downwards, an oxidizing agent is sodium hypochlorite, the malodorous gas 1 continuously passes through gaps of the packing layer, gas-liquid two-phase intimate contact mass transfer is carried out on the surface of the packing, and the oxidizing agent reacts to absorb the malodorous gas;

the gas continuously rises in the chemical oxidation tower 2, at the moment, the gas liquid content is larger, the gas flow containing liquid enters the gas-liquid separation layer 208 and collides with the dehydration filler in the gas-liquid separation layer, and the water vapor and residual dust in the waste gas can be effectively removed;

then the gas continuously rises, the gas flow without liquid drops enters a steam heater 210 at the upper part of the chemical oxidation tower, the temperature is indirectly raised and heated through steam 11, the purpose of reducing the relative humidity is achieved, the influence of overhigh relative humidity of the waste gas on the adsorption performance of the active carbon at the rear end is prevented, the gas after temperature rise and dehumidification is discharged from an exhaust port 212 and enters an active carbon adsorption bed 5 along a first connecting pipe 3 for further purification treatment;

the gas purified by the activated carbon adsorption bed 5 is intensively discharged through the exhaust funnel 9 under the driving of the fan 7, and in the whole purification treatment process, the fan 7 provides power for the flow of the malodorous gas 1 among the chemical oxidation tower 2, the activated carbon adsorption bed 5 and the exhaust funnel 9;

in the operation process of the device, when the ORP value of the circulating liquid gradually deviates from a set value, the dosing port 203 is opened to provide an oxidizing agent for the odorous gas and adjust the ORP value of the circulating liquid;

when the exhaust concentration of the exhaust cylinder 9 exceeds a set limit value, the self-control air inlet valve 31 is opened, and the bypass valve 41 is closed, so that the purpose of series treatment of chemical oxidation and activated carbon adsorption is realized; when the exhaust concentration of the exhaust cylinder 9 is lower than the set limit value, the self-control air inlet valve 31 is closed, the bypass valve 41 is opened, and the peculiar smell tail gas is directly discharged after being subjected to chemical oxidation treatment. The working or standby state of the activated carbon adsorption bed 5 is realized through the signal connection of the automatic control air inlet valve 31, the bypass valve 41 and the exhaust funnel 9 on-line concentration detection instrument, the activated carbon adsorption saturation time can be prolonged, and the activated carbon replacement cost is reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A treatment system of foul smell peculiar smell gas, which is characterized in that: the device comprises a chemical oxidation tower (2), an activated carbon adsorption bed (5), a fan (7) and an exhaust funnel (9) which are sequentially communicated through a pipeline, wherein a self-control air inlet valve (31) is arranged on a pipeline section between the chemical oxidation tower (2) and the activated carbon adsorption bed (5);

the chemical oxidation tower (2) comprises a tower body (20), a circulating water tank (204), a packing layer (206), a gas-liquid separation layer (208) and a steam heater (210) are arranged in the tower body (20) from bottom to top, the packing layer (206), the gas-liquid separation layer (208) and the steam heater (210) are arranged at intervals and are fixedly arranged on the inner wall of the tower body (20) through a fixed mounting frame (213), an exhaust port (212) is formed in the top of the tower body (20), a dosing port (203), an air inlet (214) and a water replenishing port (216) are arranged on the tower body (20) outside the circulating water tank (204), the dosing port (203), the air inlet (214) and the water replenishing port (216) are communicated with the circulating water tank (204), a sprayer (207) is arranged between the packing layer (206) and the gas-liquid separation layer (208) in the tower body (20), and the sprayer (207) is fixedly arranged on the inner wall of the tower body (20), one end of the sprayer (207) penetrates out of the tower body (20) and is communicated with the bottom of the circulating water tank (204) through a circulating liquid pipe (201), two second valves (219) are arranged on pipe sections of the circulating liquid pipe (201), and a circulating water pump (202) used for providing power is further arranged on the pipe sections between the two second valves (219).

2. The system for treating odor according to claim 1, wherein: communicate through first connecting pipe (3) between chemical oxidation tower (2) and activated carbon adsorption bed (5), automatic control admission valve (31) set up on the pipeline section of first connecting pipe (3), communicate through second connecting pipe (6) between activated carbon adsorption bed (5) and fan (7), communicate through third connecting pipe (8) between fan (7) and aiutage (9).

3. The system for treating odor according to claim 2, wherein: a jumper pipe (4) is further arranged between the first connecting pipe (3) and the second connecting pipe (6), one end of the jumper pipe (4) is communicated with the second connecting pipe (6), the other end of the jumper pipe is communicated with the chemical oxidation tower (2) and is arranged on the pipe section of the first connecting pipe (3) between the chemical oxidation tower (2) and the self-control air inlet valve (31), and a bypass valve (41) is arranged on the jumper pipe (4).

4. The system for treating odor according to claim 1, wherein: a liquid outlet (217) is formed in the tower body, close to the bottom, of the tower body (20), and the liquid outlet (217) is communicated with the interior of the circulating water tank (204).

5. The system for treating odor according to claim 1, wherein: an ORP online detector (205) and an online liquid level detector (215) are also embedded in the tower body (20) outside the circulating water tank (204).

6. The system for treating odor according to claim 1, wherein: and online thermometers (209) are embedded on the tower body outside the tower body (20) and above and below the steam heater (210).

7. The system for treating odor according to claim 1, wherein: and a liquid distributor (218) is arranged in the penetrating end of the sprayer (207).