CN218741118U - Exhaust gas treatment device - Google Patents
Exhaust gas treatment device Download PDFInfo
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- CN218741118U CN218741118U CN202222466764.2U CN202222466764U CN218741118U CN 218741118 U CN218741118 U CN 218741118U CN 202222466764 U CN202222466764 U CN 202222466764U CN 218741118 U CN218741118 U CN 218741118U
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Abstract
The utility model relates to a waste gas treatment device, including the treatment tower body, this internal first baffle that is equipped with of treatment tower, first baffle will this internal space of treatment tower divide into biological filtration cavity and chemical filtration cavity, the top of first baffle with be equipped with first air current clearance between the top of treatment tower body, the biological filtration cavity is used for utilizing the microorganism to purify gas, the chemical filtration cavity is arranged in handling acid and alkaline gas in the gas. Can realize carrying out the deodorization through the biological filtration cavity to the gas of cavity and handle, can realize handling acid gas and alkaline gas in the cavity through the chemical filtration cavity, can realize carrying out many-sided processing to gas through the combination of two kinds of gas treatment modes, improve gas treatment's effect.
Description
Technical Field
The utility model belongs to the technical field of environmental purification, concretely relates to exhaust treatment device.
Background
With the change of environmental protection consciousness and the improvement of economic development level, in order to strengthen the emission control of atmospheric pollutants, improve the environmental air quality and protect the human health and the ecological environment, the latest national standards for malodorous pollutant emission are promulgated, and the requirements of the highest allowable emission rate and the highest allowable emission concentration of pollutants are stricter, under the condition, when the waste gas is treated, the waste gas emitted by a single treatment mode can not meet the emission standard of the waste gas.
SUMMERY OF THE UTILITY MODEL
In order to solve the whole or partial problems, the utility model aims to provide an exhaust treatment device, the combination through biological filtration cavity and chemical filtration cavity has realized the dual processing to gas, has improved gaseous treatment's effect.
According to the utility model discloses an aspect provides an exhaust treatment device, including the treatment tower body, this internal first baffle that is equipped with of treatment tower, first baffle will this internal space of treatment tower divide into biological filtration cavity and chemical filtration cavity, the top of first baffle with be equipped with first air current clearance between the top of treatment tower body, biological filtration cavity is used for utilizing the microorganism to purify gas, the chemical filtration cavity is arranged in handling acid and alkaline gas in the gas.
Further, first baffle with between the treatment tower body from last shower and the biological packing layer of having set gradually down in the biological filtration cavity, the shower is connected with a plurality of shower nozzle, the shower is connected with water supply system, the intake pipe with the junction of biological filtration cavity is located biological packing layer's below, biological packing layer is used for utilizing the microorganism to purify gas.
Furthermore, a demisting packing layer is arranged in the biological filtering cavity above the spray pipe, and a gas circulation channel is arranged between the demisting packing layer and the top of the treatment tower body.
Further, water supply system include one end with the circulation inlet tube that the shower is connected, the other end of circulation inlet tube with the bottom of biofiltration cavity is connected, the lower part of biofiltration cavity is used for the splendid attire shower water, be connected with circulating water pump on the circulation inlet tube, with circulating water pump exit linkage circulating water inlet tube has the manometer.
Furthermore, the lower part of the biological filler layer is connected with an overflow pipe, the bottom of the biological filtering chamber is connected with a drain pipe, the drain pipe is provided with a drain valve, and a PH meter and a liquid level meter are arranged in the biological filtering chamber below the biological filler layer; the biological filtration cavity at the lower part of the biological packing layer is connected with a water replenishing pipe, and a water replenishing valve is arranged on the water replenishing pipe.
Furthermore, a first differential pressure gauge is connected between the upper part and the lower part of the biological filler layer.
Furthermore, a second partition plate and a chemical filtering unit are arranged in the chemical filtering chamber, the front end, the rear end and the upper end of the second partition plate are respectively connected with the treatment tower body, a second air flow gap is arranged between the left side of the second partition plate and the side wall of the biological filtering chamber, a second air flow gap is arranged between the bottom end of the second partition plate and the treatment tower body, and the chemical filtering unit is filled in a filtering area between the right side of the second partition plate and the treatment tower body; the connection position of the chemical filtering chamber and the exhaust pipe is positioned at the top of the chemical filtering unit.
Furthermore, the chemical filter unit comprises an activated carbon filter layer, an acidic filter material filter layer and an alkaline filter material filter layer, wherein the acidic filter material filter layer is an activated carbon layer impregnated with an acidic reagent, and the alkaline filter material filter layer is an activated carbon layer impregnated with an alkaline reagent.
Further, a second differential pressure gauge is connected between the upper part and the lower part of the chemical filtering unit.
Furthermore, a fan is arranged on the exhaust pipe.
According to the above technical scheme, the utility model provides a pair of exhaust treatment device has following beneficial effect:
can realize carrying out the deodorization through the biological filtration cavity to the gas of cavity and handle, can realize handling acid gas and alkaline gas in the cavity through the chemical filtration cavity, can realize carrying out many-sided processing to gas through the combination of two kinds of gas treatment modes, improve gas treatment's effect.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas treatment device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a tower body according to an embodiment of the present invention;
the reference numbers in the figures are: the device comprises a treatment tower body 1, a demisting filler layer 101, a spray head 102, a biological filler layer 103, a first differential pressure meter 104, a liquid level meter 105, a PH meter 106, a chemical filtering chamber 107, an activated carbon filtering layer 108, an alkaline filtering material filtering layer 109, a second differential pressure meter 110, an acidic filtering material filtering layer 111, a biological filtering chamber 112, a gas circulation channel 113, a first partition plate 114, a second partition plate 115, a first gas flow gap 116, a second gas flow gap 117, a gas inlet pipe 2, a circulating water inlet pipe 301, a pressure meter 302, a water discharge main pipe 303, a circulating water pump 304, a water replenishing valve 305, an overflow pipe 306, a water discharge pipe 307, a water discharge valve 308, a water replenishing pipe 309, a fan 4 and an exhaust pipe 5.
Detailed Description
For better understanding of the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
As shown in fig. 1-2, it shows an exhaust treatment device according to an embodiment of the present invention, which includes a treatment tower body 1, a first partition plate 114 is disposed in the treatment tower body 1, the first partition plate 114 divides a space in the treatment tower body 1 into two sealed chambers: biological filtration chamber 112 and chemical filtration chamber 107; in order to realize the circulation of the gas in the two chambers, a first gas flow gap 116 is provided between the top end of the first baffle plate 114 and the top of the tower body 1; in addition, the biological filtering chamber 112 is connected with an air inlet pipe 2, the chemical filtering chamber 107 is connected with an air outlet pipe 5, the biological filtering chamber 112 is used for purifying gas by using microorganisms, and the chemical filtering chamber 107 is used for treating acidic and alkaline gases in the gas.
When the gas is processed, the arrow direction in fig. 1 is the gas flowing direction, the gas to be processed enters the biological filtering chamber 112 through the gas inlet pipe 2, after being processed in the biological filtering chamber 112, enters the chemical filtering chamber 107 through the first gas flow gap 116, and the gas processed in the chemical filtering chamber 107 is discharged from the gas outlet pipe 5 to the outside of the processing tower body 1; the front end, the rear end and the lower end of the first partition 114 are connected to the tower body 1, so that the gas filtered by the biological filtering chamber 112 can only enter the chemical filtering chamber 107 through the first airflow gap 116.
In a specific embodiment, a spraying pipe and a bio-packing layer 103 are sequentially arranged in the bio-filtration chamber 112 between the first partition 114 and the treatment tower body 1 from top to bottom, the spraying pipe is connected with a plurality of spray heads 102, the spraying pipe is connected with a water supply system, the connection part of the air inlet pipe 2 and the bio-filtration chamber 112 is located below the bio-packing layer 103, and the bio-packing layer is used for purifying gas by using microorganisms.
The bio-filler layer 103 includes microorganisms and organic or inorganic filler suitable for the growth of microorganisms, for example, bamboo charcoal material is used as the filler, in actual implementation, other materials can also be used as the filler, and the microorganisms are used for biological purification of gas; the arrangement of the spray pipes, the spray heads 102 and the water supply system is used for providing nutrients for the microorganisms in the biological filler layer 103 so as to keep the activity of the microorganisms, wherein the water supply system is used for providing water required by spraying for the spray pipes and the spray heads 102, the spray heads 102 are used for spraying out the water in the spray pipes, the spray heads 102 are arranged at equal intervals, and the water spray ports of the spray heads 102 are arranged downwards; in addition, in order to enable the gas entering the biological filtration chamber 112 through the gas inlet pipe 2 to be treated by the biological filler layer 103, the connection position of the gas inlet pipe 2 and the biological filtration chamber 112 needs to be positioned below the biological filler layer 103.
In one embodiment, a demisting filler layer 101 is arranged in the biological filtering chamber 112 above the spray pipes, and a gas communication channel 113 is arranged between the demisting filler layer 101 and the top of the treatment tower body 1. The demisting packing layer 101 is used for removing water vapor contained in the sprayed gas, when the gas is treated through the biological filtering chamber 112, firstly, odor in the gas is purified through microorganisms in the biological packing layer 103, and the carried water vapor is removed from the treated gas through the demisting packing layer 101.
In a specific embodiment, the water supply system comprises a circulating water inlet pipe 301 with one end connected with the spray pipe, the other end of the circulating water inlet pipe 301 is connected with the bottom of the biological filtration chamber 112, the lower part of the biological filtration chamber 112 is used for containing spray water, a circulating water pump 304 is connected on the circulating water inlet pipe 301, and a pressure gauge 302 is connected with the circulating water inlet pipe 301 connected with an outlet of the circulating water pump 304.
Wherein, the spray water is directly contained in the lower part of the biological filtering chamber 112, thereby avoiding unnecessary investment caused by additional containing of spray water, and the spray water in the lower part of the biological filtering chamber 112 is pumped to the upper part of the biological filtering chamber 112 through a circulating water inlet pipe 301 and a circulating water pump 304 for spraying; in addition, two or more than two circulating water pumps 304 can be arranged in parallel, and the arrangement of the pressure gauge 302 is convenient for knowing the water pressure of the spray water entering the spray pipe in time.
In a specific embodiment, since the lower portion of the biofiltration chamber 112 is used for containing the spray water, in order to avoid the situation that the liquid level of the spray water is too high and the bio-packing layer 103 is submerged or soaked, the lower portion of the bio-packing layer 103 is connected with an overflow pipe 306, and the overflow pipe 306 is used for realizing the overflow of the spray water when the water level of the spray water in the biofiltration chamber 112 reaches the upper portion of the overflow pipe 306, so as to reduce the water level of the spray water; the bottom of the biological filtration chamber 112 is connected with a drain pipe 307, the drain pipe 307 is provided with a drain valve 308, the drain pipe 307 and the drain valve 308 are arranged so as to be convenient for use when the spray water in the biological filtration chamber 112 needs to be drained, and in addition, the drain pipe 307 and the overflow pipe 306 are both connected to a drain main pipe 303; a pH meter 106 and a liquid level meter 105 are arranged in the biological filtering chamber 112 below the biological filler layer 103, the liquid level height of spray water can be conveniently known through the liquid level meter 105, and the pH value of water in the water tank can be conveniently known through the pH meter 106, so that the pH value can be timely adjusted when the pH value does not meet the requirement; the biofiltration chamber 112 at the lower part of the biofilm layer 103 is connected with a water replenishing pipe 309, a water replenishing valve 305 is arranged on the water replenishing pipe 309, and the arrangement of the water replenishing valve 305 and the water replenishing pipe 309 is convenient for replenishing spray water into the biofiltration chamber 112 in time when the spray water liquid level in the biofiltration chamber 112 is reduced.
In a specific embodiment, a first differential pressure gauge 104 is connected between the upper side and the lower side of the bio-filler layer 103. The first differential pressure gauge 104 is convenient for knowing the differential pressure between the upper part and the lower part of the biological filler layer 103 in time, so that the biological filler layer 103 is overhauled when the differential pressure is larger.
In a specific embodiment, a second partition plate 115 and a chemical filtering unit are arranged in the chemical filtering chamber 107, the front end, the rear end and the upper end of the second partition plate 115 are respectively connected with the treatment tower body 1, a second air flow gap 117 is arranged between the left side of the second partition plate 115 and the side wall of the biological filtering chamber 112, and the bottom end of the second partition plate 115 and the treatment tower body 1, and the chemical filtering unit is filled in a filtering area between the right side of the second partition plate 115 and the treatment tower body 1; the connection of the chemical filter chamber 107 and the exhaust pipe 5 is located at the top of the chemical filter unit.
In this embodiment, the special arrangement of the second partition plate 115 can facilitate the installation of the chemical filtering unit, and on the other hand, a second airflow gap 117 is formed between the second partition plate 115 and the biological filtering chamber 112, and between the second partition plate 115 and the tower body 1, so that the gas filtered by the biological filtering chamber 112 enters the chemical filtering chamber 107 through the gas flow channel 113, the first airflow gap 116 and the second airflow gap 117, and is discharged from the exhaust pipe 5 after being filtered by the chemical filtering unit.
In a specific embodiment, the chemical filtering unit includes an activated carbon filtering layer 108, an acidic filtering material filtering layer 111, and an alkaline filtering material filtering layer 109, where the acidic filtering material filtering layer 111 is an activated carbon layer impregnated with an acidic reagent, and the alkaline filtering material filtering layer 109 is an activated carbon layer impregnated with an alkaline reagent.
In this embodiment, the acidic filter material filtering layer 111 is an activated carbon layer impregnated with an acidic reagent, the activated carbon layer has a physical adsorption effect and can adsorb gas, and the acidic reagent can perform an acid-base neutralization reaction with an alkaline gas such as ammonia gas, so as to treat the alkaline gas in the gas through physical adsorption and a chemical reaction; the alkaline filter material filtering layer 109 is an activated carbon layer impregnated with an alkaline reagent, and the alkaline reagent can chemically react with an acid gas in the gas, such as carbon monoxide and carbon dioxide, so that the acid gas in the gas is treated through physical adsorption and chemical reaction; the activated carbon filter layer 108 is used for removing odor and pollutants such as SO2, NH3, VOC (organic volatile compounds) and the like from the exhaust gas by physical adsorption.
The surface of the active carbon material has a large number of micropores, the most of the micropores have the pore diameter less than 5nm, the total inner surface (specific surface area) of the micropores of the active carbon material per unit weight is as high as 700-2300 m < 2 >/g, the harmful gas is adsorbed by the active carbon due to the physical action (intermolecular attraction), the active carbon can adopt particles and/or fibers, the particle filter material can be charcoal, coconut shell carbon and the like, the fiber filter material can be processed by using carbon-containing organic fibers as a base material (phenolic resin, plant fibers and the like), the pore diameter is fine, most of the pores are directly opened on the surface of the fiber, so the adsorption speed is high, the adsorption capacity is large, the physical filter material adsorption part adopting the particle filter material can be made into a plate (block) type and a multi-cylinder type, and the physical filter material adsorption part adopting the fibers can be made into the same type as a multi-pleat type filter.
In one embodiment, a second differential pressure gauge 110 is connected between the top and bottom of the chemical filtration unit. The pressure difference between the upper part and the lower part of the chemical filtering unit can be known conveniently in time through the second differential pressure gauge 110, so that the chemical filtering unit can be overhauled when the pressure difference is large.
In an embodiment, the exhaust pipe 5 is provided with a fan 4. The fan 4 adopts a high static pressure glass fiber reinforced plastic corrosion-resistant fan to adapt to a severe gas environment and overcome the resistance of the filler; in other embodiments, the fan 4 may be of other types, and may be selected according to actual conditions.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Furthermore, the terms "a", "an", "two", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A waste gas treatment device comprises a treatment tower body, and is characterized in that a first partition plate is arranged in the treatment tower body and divides the space in the treatment tower body into a biological filtration chamber and a chemical filtration chamber, a first airflow gap is arranged between the top end of the first partition plate and the top of the treatment tower body, the biological filtration chamber is used for purifying gas by using microorganisms, and the chemical filtration chamber is used for treating acidic and alkaline gases in the gas; the biological filtration cavity is connected with an air inlet pipe, and the chemical filtration cavity is connected with an exhaust pipe.
2. The waste gas treatment device of claim 1, wherein a spray pipe and a biological filler layer are sequentially arranged in the biological filter chamber between the first partition plate and the treatment tower body from top to bottom, the spray pipe is connected with a plurality of spray heads, the spray pipe is connected with a water supply system, the connection position of the air inlet pipe and the biological filter chamber is positioned below the biological filler layer, and the biological filler layer is used for purifying gas by using microorganisms.
3. The waste gas treatment device of claim 2, wherein a demisting filler layer is arranged in the biological filtering chamber above the spray pipe, and a gas flow passage is arranged between the demisting filler layer and the top of the treatment tower body.
4. The waste gas treatment device of claim 2, wherein the water supply system comprises a circulating water inlet pipe with one end connected with the spray pipe, the other end of the circulating water inlet pipe is connected with the bottom of the biological filtering chamber, the lower part of the biological filtering chamber is used for containing spray water, a circulating water pump is connected onto the circulating water inlet pipe, and a pressure gauge is connected with the circulating water inlet pipe connected with an outlet of the circulating water pump.
5. The waste gas treatment device of claim 4, wherein an overflow pipe is connected to the lower part of the biological filler layer, a drain pipe is connected to the bottom of the biological filtering chamber, a drain valve is arranged on the drain pipe, and a pH meter and a liquid level meter are arranged in the biological filtering chamber below the biological filler layer; the biological filtration cavity at the lower part of the biological packing layer is connected with a water replenishing pipe, and a water replenishing valve is arranged on the water replenishing pipe.
6. The exhaust gas treatment device according to claim 3, wherein a first differential pressure gauge is connected between the upper side and the lower side of the bio-filler layer.
7. The exhaust gas treatment device of claim 1, wherein a second partition plate and a chemical filtering unit are arranged in the chemical filtering chamber, the front end, the rear end and the upper end of the second partition plate are respectively connected with the treatment tower body, a second air flow gap is arranged between the left side of the second partition plate and the side wall of the biological filtering chamber, a second air flow gap is arranged between the bottom end of the second partition plate and the treatment tower body, and the chemical filtering unit is filled in a filtering area between the right side of the second partition plate and the treatment tower body; the connection position of the chemical filtering chamber and the exhaust pipe is positioned at the top of the chemical filtering unit.
8. The exhaust gas treatment device according to claim 7, wherein the chemical filter unit includes an activated carbon filter layer, an acidic filter material filter layer, and an alkaline filter material filter layer, the acidic filter material filter layer being an activated carbon layer impregnated with an acidic reagent, and the alkaline filter material filter layer being an activated carbon layer impregnated with an alkaline reagent.
9. The exhaust gas treatment device of claim 7, wherein a second differential pressure gauge is connected between the upper side and the lower side of the chemical filter unit.
10. The exhaust gas treatment device of claim 1, wherein a fan is provided on the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466764.2U CN218741118U (en) | 2022-09-16 | 2022-09-16 | Exhaust gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466764.2U CN218741118U (en) | 2022-09-16 | 2022-09-16 | Exhaust gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218741118U true CN218741118U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466764.2U Active CN218741118U (en) | 2022-09-16 | 2022-09-16 | Exhaust gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218741118U (en) |
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2022
- 2022-09-16 CN CN202222466764.2U patent/CN218741118U/en active Active
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