CN216825427U - Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device - Google Patents

Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device Download PDF

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Publication number
CN216825427U
CN216825427U CN202122993774.7U CN202122993774U CN216825427U CN 216825427 U CN216825427 U CN 216825427U CN 202122993774 U CN202122993774 U CN 202122993774U CN 216825427 U CN216825427 U CN 216825427U
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China
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tower
alkaline
oxidation
layer
washing tower
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张辉
付鹏睿
肖通奋
刘江涛
余旭
张培
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Zhejiang Yan Hang Intelligent Technology Co ltd
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Zhejiang Yan Hang Intelligent Technology Co ltd
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Abstract

The utility model provides a kitchen waste aerobic fermentation waste gas treatment integrated device which comprises a water washing tower, an oxidation tower, an alkaline washing tower and a bottom integrated frame, wherein the bottom integrated frame is used for accommodating the integrated device formed by the water washing tower, the oxidation tower and the alkaline washing tower, the water washing tower is connected with the oxidation tower through a first connecting air pipe, the oxidation tower is connected with the alkaline washing tower through a second connecting air pipe, and the first connecting air pipe and the second connecting air pipe are arranged outside the bottom integrated frame. The connecting air pipes among the water washing tower, the oxidation tower and the alkaline washing tower are positioned outside the bottom integral frame, so that the space among the absorption towers can be effectively reduced, the length of the integral device is shortened, the field can be saved, the transportation and the installation are easy, the integral transportation and installation time of the device can be shortened, the efficiency is improved, and the cost of waste gas treatment equipment is greatly reduced.

Description

Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device
Technical Field
The utility model belongs to the technical field of kitchen waste gas treatment, and particularly relates to an integrated device for treating kitchen waste by aerobic fermentation waste gas.
Background
Due to the characteristic that kitchen waste is easy to rot and deteriorate and irregular storage, transportation and treatment processes, a large amount of percolating water and malodorous gas are easy to generate, mosquitoes are easy to breed, and the environmental sanitation is seriously affected. The illegal waste oil and the hogwash pigs fed by the hogwash flow into the dining table through illegal channels, which seriously affects the health of people.
The existing aerobic fermentation equipment for kitchen waste is mostly distributed and matched waste gas treatment facilities, and the matched waste gas treatment facilities for the distributed aerobic fermentation equipment for kitchen waste in the current market have the advantages that the tail gas standard emission can not be realized due to simple process, or the tail gas standard emission can be realized due to complex process, but the occupied area of the treatment equipment is large, extra fields are needed, and the cost of the kitchen waste treatment equipment is high.
Disclosure of Invention
The utility model aims to solve the problems, and provides an integrated device for treating the aerobic fermentation waste gas of the kitchen waste, which can integrate a waste gas treatment process in a limited space size, reduce the size of the device to the maximum extent on the premise of ensuring that the waste gas is discharged up to the standard, save the device field and be easy to transport and install.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a kitchen garbage aerobic fermentation exhaust-gas treatment integrated device, includes wash tower, oxidation tower and alkali wash tower, still including being used for holding wash tower, oxidation tower and alkali wash tower constitute integrated device's whole frame in bottom, the wash tower passes through first connecting air pipe and connects the oxidation tower, the oxidation tower passes through second connecting air pipe and connects the alkali wash tower, first connecting air pipe and second connecting air pipe are installed in the outside of the whole frame in bottom. According to the utility model, the water washing tower can be used for dedusting and primary pretreatment, the oxidation tower can further oxidize pollutants in the waste gas and macromolecular pollutants into micromolecular substances, and the alkaline washing tower can absorb micromolecular pollutants, so that the waste gas treatment efficiency is further improved; the water washing tower, the oxidation tower and the alkaline washing tower form an integrated device by depending on the whole frame at the bottom, and the first connecting air pipe and the second connecting air pipe are positioned outside the device, so that the distance between the absorption towers can be effectively reduced, and the length of the integrated device is shortened.
Furthermore, the washing tower comprises a washing tower waste gas inlet arranged on the side edge of the washing tower, a washing tower waste gas outlet arranged on the upper part of the back of the washing tower and a plurality of washing tower windows distributed at corresponding positions on the front of the washing tower, and the washing tower waste gas outlet is connected with the oxidation tower through a first connecting air pipe; the first connecting air pipe is arranged on the back of the integrated device.
Furthermore, the water washing tower also comprises a water washing tower spraying layer, a water washing tower filtering layer, a water washing tower circulating water tank and a water washing tower pipeline; the spray layer of the water washing tower comprises a first spray layer of the water washing tower and a second spray layer of the water washing tower which are sequentially arranged from bottom to top; the filter layer of the water washing tower comprises a water washing tower packing layer arranged between a first spraying layer and a second spraying layer of the water washing tower and a water washing tower defogging layer arranged above the second spraying layer of the water washing tower. The water washing tower is provided with the packing layer, waste gas is sprayed, washed and dedusted through the first spraying layer of the water washing tower and then passes through the packing layer of the water washing tower, and dust deposition on the packing layer of the water washing tower can be effectively relieved.
Further, a circulating water tank of the washing tower is connected with a circulating liquid pipe group of the washing tower, the circulating liquid pipe group of the washing tower is connected with an acid-base circulating pump of the washing tower, and the circulating liquid pipe group of the washing tower is also connected with a first spraying layer of the washing tower and a second spraying layer of the washing tower; the washing tower pipeline comprises a washing tower sewage discharge pipe group and a washing tower water inlet pipe group.
Further, a first partition plate is arranged between the oxidation tower and the water washing tower, the oxidation tower comprises an oxidation tower waste gas inlet arranged at the lower part of the back of the oxidation tower, an oxidation tower waste gas outlet arranged at the upper part of the back of the oxidation tower and a plurality of oxidation tower windows distributed at corresponding positions on the front of the oxidation tower, the water washing tower is connected with the oxidation tower waste gas inlet through a first connecting air pipe, and the oxidation tower waste gas outlet is connected with the alkaline washing tower through a second connecting air pipe; the second connecting air pipe is arranged on the back face of the integrated device. A first partition plate is arranged between the water washing tower and the oxidation tower and can be divided into two mutually independent spaces.
Furthermore, the oxidation tower also comprises an oxidation tower spraying layer, an oxidation tower filtering layer, an oxidation tower circulating water tank and an oxidation tower pipeline; the oxidation tower spraying layer comprises a first oxidation tower spraying layer and a second oxidation tower spraying layer which are sequentially arranged from bottom to top; the oxidation tower filter layer comprises a first oxidation tower filler layer arranged below the first oxidation tower spraying layer, a second oxidation tower filler layer arranged between the first oxidation tower spraying layer and the second oxidation tower spraying layer, and a second oxidation tower defogging layer arranged above the second oxidation tower spraying layer.
Further, the oxidation tower circulating water tank is connected with an oxidation tower circulating liquid pipe group, the oxidation tower circulating liquid pipe group is connected with an oxidation tower acid and alkali resistant circulating pump, and the oxidation tower circulating liquid pipe group is also connected with a first spraying layer of the oxidation tower and a second spraying layer of the oxidation tower; the oxidation tower pipeline comprises an oxidation tower blowdown pipe group and an oxidation tower water inlet pipe group.
Furthermore, a second partition plate is arranged between the alkaline washing tower and the oxidation tower, the alkaline washing tower comprises an alkaline washing tower waste gas inlet arranged at the lower part of the back surface of the alkaline washing tower, an alkaline washing tower waste gas outlet arranged at the side edge of the alkaline washing tower and a plurality of alkaline washing tower windows distributed at corresponding positions on the front surface of the alkaline washing tower, the oxidation tower is connected with the alkaline washing tower waste gas inlet through a second connecting air pipe, and the alkaline washing tower waste gas outlet is connected with an external fan. A second partition plate is arranged between the oxidation tower and the alkaline washing tower, and can be divided into two mutually independent spaces.
Further, the alkaline washing tower also comprises an alkaline washing tower spray layer, an alkaline washing tower filter layer, an alkaline washing tower circulating water tank and an alkaline washing tower pipeline; the alkaline washing tower spraying layer comprises a first alkaline washing tower spraying layer and a second alkaline washing tower spraying layer which are sequentially arranged from bottom to top; the filtering layer of the alkaline washing tower comprises a first packing layer of the alkaline washing tower, a second packing layer of the alkaline washing tower and a defogging layer of the alkaline washing tower, wherein the first packing layer of the alkaline washing tower is arranged below the first spraying layer of the alkaline washing tower, the second packing layer of the alkaline washing tower is arranged between the first spraying layer of the alkaline washing tower and the second spraying layer of the alkaline washing tower, and the defogging layer of the alkaline washing tower is arranged above the second spraying layer of the alkaline washing tower.
Further, a circulating water tank of the alkaline washing tower is connected with a circulating liquid pipe group of the alkaline washing tower, the circulating liquid pipe group of the alkaline washing tower is connected with an acid and alkali resistant circulating pump of the alkaline washing tower, and the circulating liquid pipe group of the alkaline washing tower is also connected with a first spraying layer of the alkaline washing tower and a second spraying layer of the alkaline washing tower; the alkaline washing tower pipeline comprises an alkaline washing tower sewage draining pipe group and an alkaline washing tower water inlet pipe group.
Compared with the prior art, the utility model has the advantages that:
1. according to the integrated device for treating the waste gas generated by aerobic fermentation of the kitchen waste, disclosed by the utility model, the connecting air pipes among the washing tower, the oxidation tower and the alkaline washing tower are positioned on the back of the device, so that the space among the absorption towers can be effectively reduced, the length of the integrated device is shortened, the field can be saved, the integrated device is easy to transport and install, the overall transportation and installation time of the device can be shortened, the efficiency is improved, and the cost of waste gas treatment equipment is greatly reduced;
2. The utility model can integrate the existing mature waste gas treatment process in the limited space size, and reduce the size of equipment to the maximum extent on the premise of ensuring the standard emission of tail gas;
3. the water washing tower, the oxidation tower and the alkaline washing tower are all packing spray towers, so that the water washing tower, the oxidation tower and the alkaline washing tower are more suitable for high-water-content dust-containing gas of the waste gas generated by aerobic fermentation of the kitchen waste, equipment is not easy to block, and condensed water in the waste gas is easy to discharge;
4. the integrated device can finish the installation of all internal parts and pipelines before leaving a factory, and only needs to simply connect the device water inlet pipe, the blow-off pipe, the air inlet and the air outlet on site, so that the installation can be finished quickly, the construction time is greatly shortened, and the construction cost is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural diagram of an integrated device for aerobic fermentation and waste gas treatment of kitchen waste, provided by the utility model;
FIG. 2 is a schematic view of the structure of an oxidation tower according to the present invention;
FIG. 3 is a schematic structural diagram of the back side of an aerobic fermentation waste gas treatment integrated device for kitchen waste;
Fig. 4 is a schematic structural diagram of a top view angle of the aerobic fermentation waste gas treatment integrated device for kitchen waste.
In the figure: the system comprises a water washing tower 1, a water washing tower waste gas inlet 111, a water washing tower waste gas outlet 112, a water washing tower window 121, a water washing tower circulating water tank 131, a water washing tower circulating liquid pipe group 132, a water washing tower acid and alkali resistant circulating pump 133, a water washing tower first spraying layer 141, a water washing tower second spraying layer 142, a water washing tower packing layer 151, a water washing tower demisting layer 152, a water washing tower sewage discharge pipe group 161 and a water washing tower water inlet pipe group 162;
the system comprises an oxidation tower 2, an oxidation tower waste gas inlet 211, an oxidation tower waste gas outlet 212, an oxidation tower window 221, an oxidation tower circulating water tank 231, an oxidation tower circulating liquid pipe group 232, an oxidation tower acid and alkali resistant circulating pump 233, an oxidation tower first spraying layer 241, an oxidation tower second spraying layer 242, an oxidation tower first packing layer 251, an oxidation tower second packing layer 252, an oxidation tower demisting layer 253, an oxidation tower sewage discharge pipe group 261 and an oxidation tower water inlet pipe group 262;
the system comprises an alkaline washing tower 3, an alkaline washing tower waste gas inlet 311, an alkaline washing tower waste gas outlet 312, an alkaline washing tower window 321, an alkaline washing tower circulating water tank 331, an alkaline washing tower circulating liquid pipe group 332, an alkaline washing tower acid and alkali resistant circulating pump 333, an alkaline washing tower first spray layer 341, an alkaline washing tower second spray layer 342, an alkaline washing tower first packing layer 351, an alkaline washing tower second packing layer 352, an alkaline washing tower demisting layer 353, an alkaline washing tower blowdown pipe group 361 and an alkaline washing tower water inlet pipe group 362;
A bottom overall frame 4; a first connecting air pipe 5; a second connecting air pipe 6; a first partition plate 7; a second partition plate 8.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the integrated device for aerobic fermentation waste gas treatment of kitchen waste in the present embodiment includes a water scrubber 1, an oxidation tower 2, and an alkaline washing tower 3, and further includes a bottom integral frame 4 for accommodating the integrated device formed by the water scrubber 1, the oxidation tower 2, and the alkaline washing tower 3, wherein the water scrubber 1 is connected to the oxidation tower 2 through a first connecting air pipe 5, the oxidation tower 2 is connected to the alkaline washing tower 3 through a second connecting air pipe 6, and the first connecting air pipe 5 and the second connecting air pipe 6 are installed outside the bottom integral frame 4. In the embodiment, the water scrubber 1 can be used for dedusting and primary pretreatment, the oxidation tower 2 can further oxidize pollutants in the exhaust gas by using a strong oxidant to oxidize macromolecular pollutants into micromolecular substances, and the alkaline scrubber 3 can absorb micromolecular pollutants by using an alkaline solution to further improve the exhaust gas treatment efficiency; this embodiment wash tower 1, oxidation tower 2 and caustic wash tower 3 rely on whole frame 4 in bottom to form integrated device, and the connecting air pipe between wash tower 1, oxidation tower 2 and the caustic wash tower 3 is located the device outside to can effectively reduce the interval between the absorption tower, shorten integrated device's length.
The washing tower 1 of the embodiment comprises a washing tower waste gas inlet 111 arranged below the left side of the washing tower 1, a washing tower waste gas outlet 112 arranged at the upper part of the back of the washing tower 1 and a plurality of washing tower windows 121 distributed at corresponding positions on the front of the washing tower 1, wherein the washing tower waste gas outlet 112 is connected with the oxidation tower 2 through a first connecting air pipe 5; the first connecting air duct 5 is arranged on the back of the integrated device.
The washing tower 1 of the embodiment further comprises a washing tower spraying layer, a washing tower filtering layer, a washing tower circulating water tank 131 and a washing tower pipeline; the spray layers of the water scrubber comprise a first spray layer 141 and a second spray layer 142 of the water scrubber which are sequentially arranged from bottom to top; the filtering layer of the water washing tower comprises a packing layer 151 of the water washing tower arranged between the first spraying layer 141 and the second spraying layer 142 of the water washing tower and a demisting layer 152 of the water washing tower arranged above the second spraying layer 142 of the water washing tower. The washing tower 1 of the embodiment is provided with a packing layer, waste gas passes through the packing layer 151 of the washing tower after being sprayed, washed and dedusted by the first spraying layer 141 of the washing tower, and the deposition of dust on the packing layer 151 of the washing tower can be effectively relieved. The packing layer 151 of the water scrubber can provide a gas-liquid mass transfer interface between gas and liquid, and improve the gas-liquid mass transfer efficiency; the water scrubber defogging layer 152 can be used for gas-liquid separation to remove entrained liquid in the gas and reduce the content of fine liquid drops in the gas. The first spraying layer 141 and the second spraying layer 142 of the water washing tower can provide atomized circulating liquid, atomize the liquid into proper particle size, increase the specific surface area of the liquid and improve the gas-liquid mass transfer efficiency. In this embodiment, the materials of the packing layer 151 and the defogging layer 152 of the water scrubber can be selected from PP, ceramics, etc. according to the gas properties and the external environment.
The front of the water scrubber 1 of this embodiment is provided with a plurality of water scrubber windows 121 according to the position of filler and spraying layer, and is mainly located the first spraying layer 141 department of water scrubber and the second spraying layer 142 department of water scrubber. The atomizing effect on the washing tower spraying layer and the condition of the washing tower packing layer 151 can be checked through the washing tower window 121 in the embodiment, if the spraying effect is blocked, whether the spraying effect is uniform or not is distributed, and the packing can be replaced from the washing tower window 121. Those skilled in the art can finely adjust the position and the number of the windows 121 of the washing tower to meet the requirements of convenient observation and replacement of the filler.
In the embodiment, a washing tower waste gas inlet 111, a washing tower first spraying layer 141, a washing tower packing layer 151, a washing tower second spraying layer 142, a washing tower defogging layer 152 and a washing tower waste gas outlet 112 are sequentially arranged in a washing tower 1 from bottom to top, liquid particles atomized by the washing tower first spraying layer 141 are uniformly dispersed on the washing tower packing layer 151, gas passes through the washing tower packing layer 151 from bottom to top, and the washing tower packing layer 151 provides a contact interface of the gas and the liquid, so that the purification efficiency is improved; after the waste gas is treated by the packing layer 151 of the water scrubber and the second spraying layer 142 of the water scrubber, the gas contains a large amount of liquid drops with fine particle size, and the content of liquid in the waste gas is reduced by the defogging layer 152 of the water scrubber on the uppermost layer. The embodiment can improve the contact time of gas and spray liquid in the height direction of the water scrubber 1 through multi-stage spraying, thereby ensuring the reaction time of chemical absorption and improving the purification efficiency.
In this embodiment, the circulation water tank 131 of the washing tower is connected with a circulation liquid pipe group 132 of the washing tower, the circulation liquid pipe group 132 of the washing tower is connected with an acid and alkali resistant circulation pump 133 of the washing tower, and the circulation liquid pipe group 132 of the washing tower is further connected with a first spraying layer 141 and a second spraying layer 142 of the washing tower; the pipeline of the water scrubber comprises a blowdown pipe group 161 of the water scrubber and a water inlet pipe group 162 of the water scrubber. The liquid in the circulation water tank 131 of the water scrubber of this embodiment provides liquid for spraying for the first spraying layer 141 and the second spraying layer 142 of the water scrubber through the circulation liquid pipe group 132 of the water scrubber under the action of the acid and alkali resistant circulation pump 133 of the water scrubber. In this example, a sodium hydroxide solution with a mass fraction of 1% was used as the circulating liquid in the water scrubber 1.
As shown in fig. 2, a first partition plate 7 is installed between the oxidation tower 2 and the water scrubber 1 in this embodiment, the oxidation tower 2 includes an oxidation tower waste gas inlet 211 disposed at the lower part of the back of the oxidation tower 2, an oxidation tower waste gas outlet 212 disposed at the upper part of the back of the oxidation tower 2, and a plurality of oxidation tower windows 221 distributed at corresponding positions on the front of the oxidation tower 2, the water scrubber waste gas outlet 112 is connected to the oxidation tower waste gas inlet 211 through a first connecting air duct 5, and the oxidation tower waste gas outlet 212 is connected to the alkaline scrubber 3 through a second connecting air duct 6; the second connecting air pipe 6 is arranged on the back of the integrated device. In this embodiment, a first partition plate 7 is provided between the water scrubber 1 and the oxidation tower 2, and can be divided into two independent modules.
The oxidation tower 2 of the embodiment also comprises an oxidation tower spraying layer, an oxidation tower filtering layer, an oxidation tower circulating water tank 231 and an oxidation tower pipeline; the oxidation tower spraying layer comprises an oxidation tower first spraying layer 241 and an oxidation tower second spraying layer 242 which are sequentially arranged from bottom to top; the oxidation tower filter layer comprises an oxidation tower first packing layer 251 arranged below the oxidation tower first spraying layer 241, an oxidation tower second packing layer 252 arranged between the oxidation tower first spraying layer 241 and the oxidation tower second spraying layer 242, and an oxidation tower demisting layer 253 arranged above the oxidation tower second spraying layer 242. In the embodiment, the first packing layer 251 and the second packing layer 252 of the oxidation tower can provide a gas-liquid mass transfer interface between gas and liquid, so that the gas-liquid mass transfer efficiency is improved; the oxidation tower demisting layer 253 can be used for gas-liquid separation to remove liquid carried in gas and reduce the content of fine liquid drops in the gas. The first spraying layer 241 and the second spraying layer 242 of the oxidation tower can provide atomized circulating liquid, atomize the liquid into proper particle size, increase the specific surface area of the liquid and improve the gas-liquid mass transfer efficiency. In the present embodiment, the materials of the first packing layer 251, the second packing layer 252 and the defogging layer 253 may be selected from PP, ceramic, etc. according to the gas properties and the external environment.
The front surface of the oxidation tower 2 in this embodiment is provided with three oxidation tower windows 221 according to the positions of the filler and the spraying layer, and the three oxidation tower windows are respectively located below the first filler layer 251 of the oxidation tower, at the first spraying layer 241 of the oxidation tower and at the second spraying layer 242 of the oxidation tower. The atomization effect of the spray layer of the oxidation tower and the conditions of the packing layers of the two oxidation towers can be checked through the oxidation tower window 221, if the two packing layers are blocked or not, the packing can be uniformly distributed, and the packing can be replaced from the oxidation tower window 221. Those skilled in the art can finely adjust the setting position and the number of the windows 221 of the oxidation tower to meet the requirement of convenient observation and replacement of the packing.
In the oxidation tower 2 of the embodiment, an oxidation tower waste gas inlet 211, an oxidation tower first packing layer 251, an oxidation tower first spraying layer 241, an oxidation tower second packing layer 252, an oxidation tower second spraying layer 242, an oxidation tower defogging layer 253 and an oxidation tower waste gas outlet 212 are arranged in sequence from bottom to top, atomized liquid particles of the oxidation tower spraying layer are uniformly dispersed on the corresponding oxidation tower packing layer, gas passes through the packing layer from bottom to top, the packing layer provides a contact interface of the gas and the liquid, and the purification efficiency is improved; after the waste gas is treated by the filler layer of the two-stage oxidation tower and the spray layer of the oxidation tower, the gas contains a large amount of liquid drops with small particle sizes, and the content of liquid in the waste gas is reduced by the defogging layer on the uppermost layer, namely the defogging layer 253 of the oxidation tower. The embodiment can improve the contact time of gas and spray liquid in the height direction of the oxidation tower 2 through multi-stage spraying, thereby ensuring the reaction time of chemical absorption and improving the purification efficiency.
In this embodiment, the oxidation tower circulating water tank 231 is connected with an oxidation tower circulating liquid pipe group 232, the oxidation tower circulating liquid pipe group 232 is connected with an oxidation tower acid and alkali resistant circulating pump 233, and the oxidation tower circulating liquid pipe group 232 is further connected with an oxidation tower first spraying layer 241 and an oxidation tower second spraying layer 242; the oxidation tower pipeline comprises an oxidation tower blowdown pipe group 261 and an oxidation tower water inlet pipe group 262. The liquid in the oxidation tower circulating water tank 231 of the embodiment provides liquid for spraying for the first spraying layer 241 and the second spraying layer 242 of the oxidation tower through the oxidation tower circulating liquid pipe group 232 under the action of the oxidation tower acid and alkali resistant circulating pump 233. In this embodiment, a mixed solution of sodium hydroxide with a mass fraction of 1% and sodium hypochlorite with a mass fraction of 1% is used as a circulating liquid in the oxidation tower 2.
A second partition plate 8 is installed between the alkaline washing tower 3 and the oxidation tower 2 in this embodiment, the alkaline washing tower 3 includes an alkaline washing tower waste gas inlet 311 arranged at the lower part of the back surface of the alkaline washing tower 3, an alkaline washing tower waste gas outlet 312 arranged above the right side of the alkaline washing tower 3, and a plurality of alkaline washing tower windows 321 distributed at corresponding positions on the front surface of the alkaline washing tower 3, the oxidation tower waste gas outlet 212 is connected with the alkaline washing tower waste gas inlet 311 through a second connecting air pipe 6, and the alkaline washing tower waste gas outlet 312 is connected with an external fan. In the embodiment, the space between the oxidation tower 2 and the alkaline washing tower 3 is divided into two independent modules by the second partition plate 8.
The alkaline washing tower 3 in the embodiment also comprises an alkaline washing tower spray layer, an alkaline washing tower filter layer, an alkaline washing tower circulating water tank 331 and an alkaline washing tower pipeline; the alkali wash tower spraying layer comprises a first alkali wash tower spraying layer 341 and a second alkali wash tower spraying layer 342 which are arranged from bottom to top in sequence; the alkaline tower filter layer comprises a first alkaline tower filler layer 351 arranged below the first alkaline tower spray layer 341, a second alkaline tower filler layer 352 arranged between the first alkaline tower spray layer 341 and the second alkaline tower spray layer 342, and an alkaline tower demisting layer 353 arranged above the second alkaline tower spray layer 342. In the embodiment, the first packing layer 351 and the second packing layer 352 of the alkaline tower can provide a gas-liquid mass transfer interface between gas and liquid, so that the gas-liquid mass transfer efficiency is improved; the alkaline tower demisting layer 353 can be used for gas-liquid separation, liquid carried in gas is removed, and the content of fine liquid drops in the gas is reduced. The first spray layer 341 and the second spray layer 342 of the alkaline tower can provide atomized circulating liquid, atomize the liquid into proper particle size, increase the specific surface area of the liquid and improve the gas-liquid mass transfer efficiency. In this embodiment, the materials of the first packing layer 351 of the alkaline tower, the second packing layer 352 of the alkaline tower and the defogging layer 353 of the alkaline tower can be selected from PP, ceramic and the like according to the gas properties and the external environment.
The front of the alkaline washing tower 3 of this embodiment is provided with three alkaline washing tower windows 321 according to the positions of the filler and the spray layer, and the three alkaline washing tower windows are respectively located below the first filler layer 351 of the alkaline washing tower, at the first spray layer 341 of the alkaline washing tower and at the second spray layer 342 of the alkaline washing tower. In the embodiment, the atomization effect of the spray layer of the alkaline tower and the conditions of the packing layers of the two alkaline towers can be checked through the alkaline tower window 321, if the two packing layers are blocked or not, the packing can be uniformly distributed, and the packing can be replaced from the alkaline tower window 321. The person skilled in the art can fine-tune the position and number of the windows 121 of the caustic tower to meet the need for easy observation and replacement of the packing.
In the embodiment, an alkaline tower waste gas inlet 311, an alkaline tower first packing layer 351, an alkaline tower first spray layer 341, an alkaline tower second packing layer 352, an alkaline tower second spray layer 342, an alkaline tower defogging layer 353 and an alkaline tower waste gas outlet 312 are sequentially arranged in the alkaline tower 3 from bottom to top, liquid particles atomized by the alkaline tower spray layers are uniformly dispersed on the corresponding alkaline tower packing layers, gas passes through the packing layers from bottom to top, and the packing layers provide a contact interface of the gas and the liquid, so that the purification efficiency is improved; after the waste gas is treated by the two-stage alkali washing tower packing layer and the alkali washing tower spraying layer, the gas contains a large amount of liquid drops with small particle sizes, and the liquid content in the waste gas is reduced by the uppermost alkali washing tower demisting layer. The embodiment can improve the contact time of gas and spray liquid in the height direction of the alkaline washing tower 3 through multi-stage spraying, thereby ensuring the reaction time of chemical absorption and improving the purification efficiency.
In this embodiment, the circulating water tank 331 of the alkaline washing tower is connected with a circulating liquid pipe group 332 of the alkaline washing tower, the circulating liquid pipe group 332 of the alkaline washing tower is connected with an acid and alkali resistant circulating pump 333 of the alkaline washing tower, and the circulating liquid pipe group 332 of the alkaline washing tower is further connected with a first spray layer 341 of the alkaline washing tower and a second spray layer 342 of the alkaline washing tower; the alkaline washing tower pipeline comprises an alkaline washing tower blow-down pipe group 361 and an alkaline washing tower water inlet pipe group 362. The liquid in the circulation water tank 331 of the alkaline tower of the embodiment provides liquid for spraying for the first spray layer 341 and the second spray layer 342 of the alkaline tower through the circulation liquid pipe group 332 of the alkaline tower under the action of the acid and alkali resistant circulation pump 333 of the alkaline tower. In this embodiment, a sodium hydroxide solution with a mass fraction of 2% is used as the circulating liquid in the caustic tower 3.
In the embodiment, water inlet pipes in a water inlet pipe group of a washing tower, a water inlet pipe group of an oxidation tower and a water inlet pipe group of an alkaline washing tower of the aerobic fermentation waste gas treatment integrated device for kitchen waste are connected with a water inlet of the integrated device, mainly come from a tap water pipe provided from the outside, a tap water main pipe is usually provided during installation, and the tap water main pipe is connected with the water inlet of the integrated device through a pipeline; the sewage in the sewage discharge pipe group of the washing tower, the sewage discharge pipe group of the oxidation tower and the sewage discharge pipe group of the alkaline washing tower can be directly discharged into a sewage discharge ditch or a buried pipeline in an installation site, and finally enters a sewage treatment system in the installation site for sewage treatment.
The water scrubber 1, the oxidation tower 2 and the alkaline washing tower 3 are all packing spray towers, are more suitable for the gas with high water content and dust content in the aerobic fermentation waste gas of the kitchen waste, are not easy to block, and are easy to discharge condensed water in the waste gas. The positions of the components in the water scrubber 1, the oxidation tower 2 and the alkaline scrubber 3 in the embodiment can be correspondingly arranged one by one, so that the maintenance and the inspection and repair are convenient.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a kitchen garbage aerobic fermentation exhaust-gas treatment integrated device, includes water scrubber (1), oxidation tower (2) and alkali wash tower (3), its characterized in that, still including being used for holding water scrubber (1), oxidation tower (2) and alkali wash tower (3) constitute integrated device's bottom whole frame (4), oxidation tower (2) are connected through first connecting air pipe (5) in water scrubber (1), alkali wash tower (3) are connected through second connecting air pipe (6) in oxidation tower (2), the outside in bottom whole frame (4) is installed in first connecting air pipe (5) and second connecting air pipe (6).
2. The aerobic fermentation waste gas treatment integrated device for kitchen waste according to claim 1, wherein the water scrubber (1) comprises a water scrubber waste gas inlet (111) arranged at the side of the water scrubber (1), a water scrubber waste gas outlet (112) arranged at the upper part of the back of the water scrubber (1) and a plurality of water scrubber windows (121) distributed at corresponding positions on the front of the water scrubber (1), and the water scrubber waste gas outlet (112) is connected with the oxidation tower (2) through a first connecting air pipe (5); the first connecting air pipe (5) is arranged on the back of the integrated device.
3. The aerobic fermentation waste gas treatment integrated device for kitchen waste according to claim 2, wherein the water scrubber (1) further comprises a water scrubber spray layer, a water scrubber filter layer, a water scrubber circulating water tank (131) and a water scrubber pipeline; the spray layer of the water washing tower comprises a first spray layer (141) of the water washing tower and a second spray layer (142) of the water washing tower which are sequentially arranged from bottom to top; the filter layer of the water washing tower comprises a water washing tower filler layer (151) arranged between a first spraying layer (141) and a second spraying layer (142) of the water washing tower and a water washing tower defogging layer (152) arranged above the second spraying layer (142) of the water washing tower.
4. The integrated device for aerobic fermentation waste gas treatment of kitchen wastes according to claim 3, characterized in that the circulation water tank (131) of the washing tower is connected with a circulation liquid pipe group (132) of the washing tower, the circulation liquid pipe group (132) of the washing tower is connected with an acid and alkali resistant circulation pump (133) of the washing tower, and the circulation liquid pipe group (132) of the washing tower is further connected with a first spraying layer (141) of the washing tower and a second spraying layer (142) of the washing tower; the washing tower pipeline comprises a washing tower sewage discharge pipe group (161) and a washing tower water inlet pipe group (162).
5. The integrated device for aerobic fermentation and waste gas treatment of kitchen waste according to claim 1, wherein a first partition plate (7) is installed between the oxidation tower (2) and the water scrubber (1), the oxidation tower (2) comprises an oxidation tower waste gas inlet (211) arranged at the lower part of the back surface of the oxidation tower (2), an oxidation tower waste gas outlet (212) arranged at the upper part of the back surface of the oxidation tower (2) and a plurality of oxidation tower windows (221) distributed at corresponding positions on the front surface of the oxidation tower (2), the water scrubber (1) is connected with the oxidation tower waste gas inlet (211) through a first connecting air pipe (5), and the oxidation tower waste gas outlet (212) is connected with the alkaline scrubber (3) through a second connecting air pipe (6); and the second connecting air pipe (6) is arranged on the back of the integrated device.
6. The integrated device for aerobic fermentation waste gas treatment of kitchen waste according to claim 5, wherein the oxidation tower (2) further comprises an oxidation tower spray layer, an oxidation tower filter layer, an oxidation tower circulating water tank (231) and an oxidation tower pipeline; the oxidation tower spraying layer comprises an oxidation tower first spraying layer (241) and an oxidation tower second spraying layer (242) which are sequentially arranged from bottom to top; the oxidation tower filter layer comprises an oxidation tower first filler layer (251) arranged below the oxidation tower first spraying layer (241), an oxidation tower second filler layer (252) arranged between the oxidation tower first spraying layer (241) and the oxidation tower second spraying layer (242), and an oxidation tower demisting layer (253) arranged above the oxidation tower second spraying layer (242).
7. The aerobic fermentation waste gas treatment integrated device for kitchen waste as claimed in claim 6, wherein the oxidation tower circulating water tank (231) is connected with an oxidation tower circulating liquid pipe group (232), the oxidation tower circulating liquid pipe group (232) is connected with an oxidation tower acid and alkali resistant circulating pump (233), and the oxidation tower circulating liquid pipe group (232) is further connected with an oxidation tower first spraying layer (241) and an oxidation tower second spraying layer (242); the oxidation tower pipeline comprises an oxidation tower blowdown pipe group (261) and an oxidation tower water inlet pipe group (262).
8. The aerobic fermentation waste gas treatment integrated device for kitchen waste according to claim 1, wherein a second partition plate (8) is installed between the alkaline tower (3) and the oxidation tower (2), the alkaline tower (3) comprises an alkaline tower waste gas inlet (311) arranged at the lower part of the back surface of the alkaline tower (3), an alkaline tower waste gas outlet (312) arranged at the side edge of the alkaline tower (3) and a plurality of alkaline tower windows (321) distributed at corresponding positions on the front surface of the alkaline tower (3), the oxidation tower (2) is connected with the alkaline tower waste gas inlet (311) through a second connecting air pipe (6), and the alkaline tower waste gas outlet (312) is connected with an external fan.
9. The integrated device for aerobic fermentation waste gas treatment of kitchen waste according to claim 8, wherein the alkaline tower (3) further comprises an alkaline tower spray layer, an alkaline tower filter layer, an alkaline tower circulating water tank (331) and an alkaline tower pipeline; the alkaline tower spraying layer comprises a first alkaline tower spraying layer (341) and a second alkaline tower spraying layer (342) which are sequentially arranged from bottom to top; the filtering layer of the alkaline tower comprises a first alkaline tower filler layer (351) arranged below the first alkaline tower spraying layer (341), a second alkaline tower filler layer (352) arranged between the first alkaline tower spraying layer (341) and the second alkaline tower spraying layer (342), and an alkaline tower defogging layer (353) arranged above the second alkaline tower spraying layer (342).
10. The aerobic fermentation waste gas treatment integrated device for kitchen waste according to claim 9, wherein the circulation water tank (331) of the alkaline tower is connected with a circulation liquid pipe group (332) of the alkaline tower, the circulation liquid pipe group (332) of the alkaline tower is connected with an acid and alkali resistant circulation pump (333) of the alkaline tower, and the circulation liquid pipe group (332) of the alkaline tower is further connected with a first spray layer (341) of the alkaline tower and a second spray layer (342) of the alkaline tower; the alkaline washing tower pipeline comprises an alkaline washing tower blow-down pipe group (361) and an alkaline washing tower water inlet pipe group (362).
CN202122993774.7U 2021-11-30 2021-11-30 Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device Active CN216825427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122993774.7U CN216825427U (en) 2021-11-30 2021-11-30 Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122993774.7U CN216825427U (en) 2021-11-30 2021-11-30 Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device

Publications (1)

Publication Number Publication Date
CN216825427U true CN216825427U (en) 2022-06-28

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Application Number Title Priority Date Filing Date
CN202122993774.7U Active CN216825427U (en) 2021-11-30 2021-11-30 Kitchen garbage aerobic fermentation exhaust-gas treatment integrated device

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Country Link
CN (1) CN216825427U (en)

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