CN111389209A - Odor control device of garbage pit - Google Patents
Odor control device of garbage pit Download PDFInfo
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- CN111389209A CN111389209A CN202010222647.4A CN202010222647A CN111389209A CN 111389209 A CN111389209 A CN 111389209A CN 202010222647 A CN202010222647 A CN 202010222647A CN 111389209 A CN111389209 A CN 111389209A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2251/502—Hydrochloric acid
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- B01D2251/604—Hydroxides
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
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- B01D2257/304—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
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- B01D2257/406—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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Abstract
The invention relates to an odor control device of a garbage pit, which comprises a first adsorption tank, a catalytic incinerator for catalytically oxidizing organic waste gas, a second adsorption tank and an active carbon adsorption box which are sequentially arranged, wherein a first air suction pump is arranged between the first adsorption tank and the garbage pit, and is provided with a first communication pipe communicated with the garbage pit and a first air guide pipe extending to the position below the liquid level of the first adsorption tank; a dilute hydrochloric acid solution is arranged in the first adsorption tank, a second air pump is arranged between the first adsorption tank and the catalytic incinerator, and a second communicating pipe extending to the liquid level of the first adsorption tank and a second air duct communicated with the catalytic incinerator are arranged on the second air pump; sodium hydroxide is arranged in the second adsorption tank, and a third air suction pump is arranged between the second adsorption tank and the activated carbon adsorption tank; and a third communicating pipe extending to the upper side of the liquid level of the second adsorption tank and a third air duct communicated with the activated carbon adsorption tank are arranged on the third air suction pump. The invention can treat organic waste gas with good treatment effect.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to an odor control device of a garbage pit.
Background
At present, a large amount of malodorous substances represented by sulfur-containing and nitrogen-containing compounds can be emitted from the garbage in the long-term storage process, and the odor is listed as the second most polluted pollution next to noise pollution, so that the treatment of the garbage becomes a recognized problem due to the lower olfactory threshold and the more dispersed distribution. The malodorous substances represented by hydrogen sulfide (H2S) and ammonia (NH3) have relatively high concentration, so that the adsorption treatment effect of the malodorous substances is poor by only adopting activated carbon, and the consumption of the malodorous substances to the activated carbon is relatively high.
For example, chinese patent publication No. CN108284119A discloses an odor treatment apparatus, in which exhaust gas from a treatment tank is pumped into an oxidation absorption tank by starting an air pump, and the exhaust gas can react with an oxidation liquid to neutralize, thereby removing odor and harmful substances from waste liquid.
The above prior art solutions have the following drawbacks: the device is difficult to treat organic waste gas in odor.
Disclosure of Invention
In view of the defects of the prior art, one of the purposes of the invention is to provide an odor control device for a garbage pit, which can treat organic waste gas and has good treatment effect.
The above object of the present invention is achieved by the following technical solutions:
the odor control device for the garbage pit comprises a first adsorption tank, a catalytic incinerator for catalytically oxidizing organic waste gas, a second adsorption tank and an active carbon adsorption tank which are sequentially arranged, wherein a first air suction pump is arranged between the first adsorption tank and the garbage pit, and is provided with a first communication pipe communicated with the garbage pit and a first air guide pipe extending to the position below the liquid level of the first adsorption tank; a dilute hydrochloric acid solution is arranged in the first adsorption tank, a second air pump is arranged between the first adsorption tank and the catalytic incinerator, and a second communicating pipe extending to the upper side of the liquid level of the first adsorption tank and a second air duct communicated with the catalytic incinerator are arranged on the second air pump; a sodium hydroxide solution is arranged in the second adsorption tank, and a third air pump is arranged between the second adsorption tank and the activated carbon adsorption tank; and a third communicating pipe extending to the upper side of the liquid level of the second adsorption tank and a third air duct communicated with the activated carbon adsorption tank are arranged on the third air suction pump.
By adopting the technical scheme, when garbage is introduced into the garbage pit, the first air pump is started, odor in the garbage pit is extracted through the first communicating pipe and is introduced into dilute hydrochloric acid solution in the first adsorption tank through the first air duct, so that ammonia gas in the odor is neutralized and absorbed, residual components in the odor are discharged to the upper side of the liquid level of the first adsorption tank, then the second air pump is started, the odor is extracted through the second communicating pipe and is discharged into the catalytic incinerator through the second air duct, so that hydrogen sulfide and organic waste gas in the odor are combusted, the hydrogen sulfide is combusted to generate sulfur dioxide and water vapor, the organic waste gas is combusted to generate carbon dioxide and water vapor, then the third air pump is started, gas in the catalytic incinerator is extracted and is discharged into the second adsorption tank through the third communicating pipe and the third air duct, so that the sulfur dioxide in the gas reacts with sodium hydroxide in the second adsorption tank, the sulfur dioxide in the gas is removed, the residual gas mainly comprises carbon dioxide and oxygen, the gas is discharged to the upper side of the liquid level of the second adsorption tank, then the fourth air pump is started, the gas on the upper side of the liquid level of the second adsorption tank is extracted through the fourth communicating pipe and is discharged to the activated carbon adsorption tank through the fourth air guide pipe, so that the peculiar smell in the gas is filtered, and the gas finally discharged from the activated carbon adsorption tank reaches the discharge standard; in the process, the odor in the garbage pit is treated to sequentially remove ammonia gas, hydrogen sulfide and organic waste gas in the odor, and compared with the existing odor treatment device, the treatment effect is better.
The present invention in a preferred example may be further configured to: a cooling box is further arranged between the activated carbon adsorption box and the fourth air pump, one end, far away from the fourth air pump, of the fourth air duct penetrates into the cooling box, and a connecting pipe is arranged between the cooling box and the activated carbon adsorption box; one end of the connecting pipe penetrates into the cooling box and is communicated with the fourth gas guide pipe, and the other end of the connecting pipe extends to the activated carbon adsorption box and is communicated with the inside of the activated carbon adsorption box; the cooling device is characterized in that a circulating box filled with water is arranged on one side of the cooling box, a water pump communicated with the circulating box is fixed on the circulating box, a first water through pipe is connected between the water pump and the cooling box, and a second water through pipe is connected between the circulating box and the cooling box.
Through adopting above-mentioned technical scheme, follow the second adsorption tank liquid level combustion gas and pass through fourth communicating pipe, the leading-in cooler bin of fourth aspiration pump and fourth air duct, then through the leading-in active carbon adsorption case of connecting pipe, meanwhile, the water pump starts, the water of circulation incasement has been pumped, make the water of circulation incasement constantly circulate and flow between circulation case and cooler bin, the gas temperature through the cooler bin has been reduced, thereby make gas get into and can cool off between the active carbon adsorption case, prevent that gaseous high temperature from influencing the active carbon adsorption effect in the active carbon adsorption case.
The present invention in a preferred example may be further configured to: the number of the activated carbon adsorption tanks is multiple, the number of the connecting pipes is consistent with that of the activated carbon adsorption tanks; and a connecting piece communicated with the fourth gas guide tube is arranged in the cooling box, and the connecting piece is communicated with the plurality of connecting tubes.
Through adopting above-mentioned technical scheme, the gaseous each connecting tube of leading-in through the connecting piece in the fourth air duct to make gaseous leading-in each activated carbon adsorption case respectively, make operating personnel not influence gaseous continuous the discharging when changing the active carbon in one of them activated carbon adsorption case.
The present invention in a preferred example may be further configured to: the connecting piece comprises a rotating box communicated with the fourth gas-guide tube and a fixed box communicated with the plurality of connecting tubes, the outer side wall of the rotating box far away from the fourth gas-guide tube is attached to the outer side wall of the fixed box far away from the connecting tubes and is in rotating connection with the outer side wall of the fixed box, and the rotating box is superposed with the axis of the end part of the fourth gas-guide tube, which is positioned in the cooling box, relative to the rotating axis of the fixed box; a plurality of connecting holes communicated with the connecting pipes are formed in the side wall, close to the rotating box, of the fixed box, and the connecting holes are uniformly distributed around the rotating axis of the rotating box; the side wall of the rotating box, which is close to the fixed box, is provided with an arc-shaped groove which extends around the rotating axis of the rotating box, and the arc-shaped groove is communicated with part of the connecting holes.
Through adopting above-mentioned technical scheme, the gas in the fourth air duct gets into and rotates in the box back and gets into fixed box through arc wall and connecting hole, then the gas in the fixed box passes through each leading-in active carbon adsorption case of each connecting pipe, rotates the box when rotating the back, rotates the arc wall on the box and aims at different connecting holes to make the connecting hole that is located the arc wall intercommunication seal, thereby make partial active carbon adsorption case not let in gas, the operating personnel of being convenient for change the active carbon.
The present invention in a preferred example may be further configured to: the communication position of the first water pipe and the cooling box is arranged at one end of the cooling box close to the second adsorption tank, and the communication position of the second water pipe and the cooling box is arranged at one end of the cooling box close to the activated carbon adsorption tank; the rotating box is a circular box, the axis of the rotating box coincides with the rotating axis of the rotating box, a plurality of rotating fan blades are fixed on the arc-shaped outer side wall of the rotating box, and the rotating fan blades are arranged around the axis of the rotating box in an evenly distributed mode.
Through adopting above-mentioned technical scheme, when the water pump started, the water in the water pump pumping circulation case got into the cooler bin through first water service pipe and discharged through the second water service pipe, because first water service pipe and second water service pipe access to the cooler bin both ends respectively to make the water in the cooler bin flow along the length direction of cooler bin, make the rotation box rotation of box is rotated along with the flow drive of rivers to the rotation flabellum on the rotation box, simple structure need not dependent manual operation.
The present invention in a preferred example may be further configured to: and one end of the connecting pipe, which is close to the activated carbon adsorption box, is provided with an air flow meter for detecting the flow rate of gas in the connecting pipe.
Through adopting above-mentioned technical scheme, when the connecting hole of a connecting pipe intercommunication was sealed, the gas in this connecting pipe stopped flowing, and the air flowmeter who is connected with this connecting pipe this moment can detect this connecting pipe and seal, makes things convenient for operating personnel to change the active carbon in the active carbon adsorption case be connected with this connecting pipe.
The present invention in a preferred example may be further configured to: and a controller and a prompting lamp are fixed outside the connecting pipe, and the controller is respectively electrically connected with the air flow meter and the prompting lamp.
Through adopting above-mentioned technical scheme, after the air flowmeter detects the gas velocity of flow in the connecting tube and stops, air flowmeter sends signal to controller, and the controller sends signal to warning light again for the warning light lights, and the connecting tube that the suggestion operating personnel was located seals.
In summary, the invention includes at least one of the following beneficial technical effects:
in the odor treatment process, ammonia gas, hydrogen sulfide and organic waste gas in the odor are sequentially removed from the odor in the garbage pit, and the treatment effect is better compared with that of the existing odor treatment device;
after the rotating box rotates, the arc-shaped grooves on the rotating box are aligned to different connecting holes, so that the connecting holes communicated with the arc-shaped grooves are sealed, and therefore, part of the activated carbon adsorption box is not filled with gas, and operators can conveniently replace activated carbon;
when the water pump started, the water in the water pump pumping circulation case got into the cooler bin through first water service pipe and discharged through the second water service pipe for the water in the cooler bin flows along the length direction of cooler bin, makes the rotation box rotation of rotation flabellum along with the flow drive of rivers on the rotation box, and simple structure need not the manual operation.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a schematic structural view of the cooling tank.
Fig. 3 is a schematic view showing the distribution of the attachment holes in the fixing box.
Fig. 4 is a schematic view of the structure of the circulation box.
Fig. 5 is a schematic view of the installation position of the air flow meter.
Reference numerals: 1. a first air pump; 11. a first communication pipe; 12. a first air duct; 2. a first adsorption tank; 3. a second air pump; 31. a second communicating pipe; 32. a second air duct; 4. a catalytic incinerator; 5. a third air pump; 51. a third communicating pipe; 52. a third air duct; 6. a second adsorption tank; 7. a fourth air pump; 71. a fourth communicating pipe; 72. a fourth gas-guide tube; 8. a cooling tank; 81. rotating the cartridge; 811. an arc-shaped slot; 812. a rotating joint; 813. rotating the fan blades; 82. a fixing box; 821. connecting holes; 83. a seal ring; 84. a circulation box; 841. a water pump; 842. a first water pipe; 843. a second water passage pipe; 9. an activated carbon adsorption tank; 91. a connecting pipe; 911. an air flow meter; 912. a controller; 913. and a prompt lamp.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the odor control device for a garbage pit disclosed by the invention comprises a first air pump 1, a first adsorption tank 2, a second air pump 3, a catalytic incinerator 4, a third air pump 5, a second adsorption tank 6, a fourth air pump 7, a cooling box 8 and an activated carbon adsorption box 9 which are arranged in sequence. The first adsorption tank 2 is arranged in the closed space, and dilute hydrochloric acid solution is arranged in the first adsorption tank. The second adsorption tank 6 is also arranged in the closed space, a sodium hydroxide solution is arranged in the second adsorption tank, and the first adsorption tank 2 and the second adsorption tank 6 are in different closed spaces. The catalytic incinerator 4 is an existing odor treatment device, and when the catalytic incinerator 4 is used, odor is introduced into the catalytic incinerator 4, and then air with the oxygen concentration being more than fifty percent is introduced and ignited for combustion. The first air pump 1, the second air pump 3, the third air pump 5 and the fourth air pump 7 are all existing air pumping equipment, wherein the third air pump 5 and the fourth air pump 7 are high-temperature resistant air pumping equipment. Be equipped with first communicating pipe 11 and first air duct 12 on the first aspiration pump 1, first communicating pipe 11 is the pipe form, is made by the stainless steel, and in first communicating pipe 11 one end extended to the rubbish hole, the other end and the air intake intercommunication of first aspiration pump 1. The first air duct 12 is also in a round tube shape and made of stainless steel, one end of the first air duct is communicated with an air outlet of the first air pump 1, the other end of the first air duct extends to a position below the liquid level of the dilute hydrochloric acid solution in the first adsorption pool 2, when the first air pump 1 is started, odor in the garbage pit enters the first communication pipe 11 and sequentially passes through the first air pump 1 and the first air duct 12 to be introduced to a position below the liquid level of the dilute hydrochloric acid in the first adsorption pool 2, so that the odor is introduced into the dilute hydrochloric acid, ammonia in the odor is neutralized with the dilute hydrochloric acid solution, and the ammonia in the odor is removed. The second air pump 3 is provided with a second communicating pipe 31 and a second air duct 32, the second communicating pipe 31 is in a circular pipe shape, one end of the second communicating pipe extends to the upper side of the liquid level of the first adsorption pool 2, and the other end of the second communicating pipe is communicated with an air inlet of the second air pump 3. The second air duct 32 is a circular tube, one end of which is communicated with the air outlet of the second air pump 3, and the other end of which is communicated with the catalytic incinerator 4. The third air pump 5 is provided with a third communicating pipe 51 and a third air duct 52, the third communicating pipe 51 is a circular pipe, one end of the third communicating pipe is communicated with the air inlet of the third air pump 5, and the other end is communicated with the catalytic incinerator 4. The third air duct 52 is also in a shape of a circular tube and made of stainless steel, one end of the third air duct is communicated with the air outlet of the third air pump 5, and the other end of the third air duct extends to a position below the liquid level of the second adsorption tank 6, so that the third air duct is used for guiding the gas in the catalytic incinerator 4 into the second adsorption tank 6. The fourth air pump 7 is provided with a fourth communicating pipe 71 and a fourth air duct 72, the fourth communicating pipe 71 is in a circular pipe shape, one end of the fourth communicating pipe is communicated with an air inlet of the fourth air pump 7, and the other end of the fourth communicating pipe extends to the upper side of the liquid level of the second adsorption tank 6. The fourth air duct 72 is a circular tube, one end of which is communicated with the air outlet of the fourth air pump 7, and the other end of which extends horizontally towards the cooling box 8.
Referring to fig. 2, the cooling box 8 is a hollow structure inside a cylinder, the axis of the cooling box coincides with the axis of the fourth air duct 72, and a connecting member is arranged inside the cooling box 8. The connecting piece includes rotates box 81, fixed box 82 and sealing washer 83, rotates box 81 and is circular box-like, and its axis coincides with the axis of cooler bin 8, and fixed box 82 is circular box-like together, and its axis coincides with the axis of rotating box 81, and the terminal surface that fixed box 82 is close to fourth air duct 72 and the terminal surface laminating that rotates box 81 and keep away from fourth air duct 72. The sealing ring 83 is in a circle shape, the cross section of the frame of the sealing ring is rectangular, the sealing ring is sleeved on the rotating box 81 and is positioned between the rotating box 81 and the fixing box 82, the inner wall of the sealing ring 83 is movably sealed with the arc-shaped outer wall of the rotating box 81, and the inner wall of the sealing ring 83 is fixed with the arc-shaped outer wall of the fixing box 82, so that the rotating box 81 is rotatably connected with the fixing box 82. As shown in fig. 1, the activated carbon adsorption tank 9 is rectangular box-shaped, activated carbon filler is disposed in the activated carbon adsorption tank 9, an air outlet is formed in the outer side wall of the activated carbon adsorption tank 9, which is far away from the cooling tank 8, the opening of the air outlet is rectangular, and four activated carbon adsorption tanks 9 are disposed. Be equipped with connecting pipe 91 between cooler bin 8 and the active carbon adsorption case 9, connecting pipe 91 is the pipe form, is made by the stainless steel, and connecting pipe 91 one end extends to cooler bin 8 department, and the other end is fixed and communicates with active carbon adsorption case 9 inside with the lateral wall that active carbon adsorption case 9 is close to cooler bin 8. Referring to fig. 3, the outer side wall of the fixed box 82 attached to the rotating box is provided with a connecting hole 821, the opening of the connecting hole 821 is circular, the axis of the connecting hole 821 is parallel to the axis of the fixed box 82, the connecting holes 821 are provided at four positions, and the connecting holes 821 are uniformly distributed around the axis of the fixed box 82. One end of the connection pipe 91 close to the cooling box 8 sequentially penetrates through the side wall of the cooling box 8 close to the activated carbon adsorption box 9 and the side wall of the fixed box 82 far from the rotating box 81 and is communicated with the connection hole 821 on the fixed box 82. The number of the connection pipes 91 is four, the four connection pipes 91 are respectively connected to the four connection holes 821, and the four connection pipes 91 are respectively connected to the four activated carbon adsorption tanks 9. Combine as shown in fig. 3, having seted up arc wall 811 on the terminal surface of the fixed box 82 of rotation box 81 laminating, arc wall 811 is the arc, its and the inside intercommunication of rotation box 81, and the arc angle of arc wall 811 is 270, and arc wall 811 encircles the rotation axis that rotates box 81 and extends, and when rotation box 81 and fixed box 82 laminating, three connecting hole 821 intercommunication on arc wall 811 and the fixed box 82. The rotating box 81 is further provided with a rotating joint 812, the rotating joint 812 is fixedly installed at the center of the end face of the rotating box 81 far away from the fixing box 82, the rotating joint 812 is communicated with the inside of the rotating box 81, and the fourth air duct 72 penetrates through the cooling box 8 and is far away from the side wall of the activated carbon adsorption box 9 and communicated with the rotating joint 812 on the rotating box 81, so that the fourth air duct 72 is communicated with the rotating box 81 and is rotatably connected.
Referring to fig. 4, a circulation tank 84 is further provided on one side of a cooling tank 8, the circulation tank 84 is in a rectangular tank shape and contains cooling water, and a water pump 841 is provided at the top of the circulation tank 84. the water pump 841 is selected from a high temperature resistant type and is fixedly mounted on the upper surface of the circulation tank 84, and the water pump 841 is in communication with the inner top surface of the circulation tank 84 for pumping out water in the circulation tank 84. the water pump 841 is provided with a first water pipe 842, one end of the first water pipe 842 is in communication with the water pump 841, the other end of the first water pipe 842 is connected with the outer cylindrical surface of the cooling tank 8 and is in communication with the interior of the cooling tank 8, and one end of the first water pipe 842 is connected with the cooling tank 8 and is provided with a fourth air duct 72. the circulation tank 84 is provided with a second water pipe 843, the second water pipe 3 is also in a circular pipe shape, one end of the second water pipe is fixed to the bottom surface of the circulation tank 84 and is in communication with the interior of the circulation tank 84, and is in communication with the cooling tank 84, and is in communication with the interior of the cooling tank 8, and is provided with the rotating air flow indicator box 91, and is provided with a rotating indicator, when the rotating indicator 912, the rotating indicator connector 91 is connected with a rotating indicator or when the rotating indicator connector 91 is connected with the rotating indicator or indicator 91, the rotating indicator 91 is connected with the rotating indicator or indicator 91, the rotating indicator or indicator, the rotating indicator comes into the rotating indicator, the rotating indicator connector 91 or indicator, the rotating indicator comes into the rotating indicator, when the rotating indicator, the rotating indicator comes into the rotating indicator, the rotating indicator connector 91 or indicator comes into the rotating indicator connector 91 or indicator comes into the rotating indicator or indicator, the rotating indicator comes into the rotating indicator, the rotating indicator connector 91 or indicator comes into the rotating indicator or indicator comes into the rotating indicator connector 91 or indicator connector.
The implementation principle of the embodiment is as follows: when garbage is introduced into the garbage pit, the first air pump 1 is started, odor in the garbage pit is extracted through the first communication pipe 11 and is introduced into dilute hydrochloric acid solution in the first adsorption pool 2 through the first air duct 12, so that ammonia gas in the odor is neutralized and absorbed, residual components in the odor are discharged to the upper side of the liquid level of the first adsorption pool 2, then the second air pump 3 is started, the odor is extracted through the second communication pipe 31 and is discharged into the catalytic incinerator 4 through the second air duct 32, so that hydrogen sulfide and organic waste gas in the odor are combusted, the hydrogen sulfide is combusted to generate sulfur dioxide and water vapor, the organic waste gas is combusted to generate carbon dioxide and water vapor, then the third air pump 5 is started, gas in the catalytic incinerator 4 is extracted and is discharged into the second adsorption pool 6 through the third communication pipe 51 and the third air duct 52, so that the sulfur dioxide in the gas reacts with sodium hydroxide in the second adsorption pool 6, the residual gas is mainly carbon dioxide and oxygen, this gas discharges to the liquid level upside of second adsorption tank 6, then fourth air pump 7 starts, the gas that has extracted second adsorption tank 6 liquid level upside through fourth communicating pipe 71 discharges to active carbon adsorption tank 9 through fourth air duct 72 and cooler bin 8, thereby filtered the interior peculiar smell of gas, make finally reach emission standard from the gas of discharging in the active carbon adsorption tank 9, in the above-mentioned process, the interior ammonia of foul smell in the rubbish hole has been got rid of in proper order after handling, hydrogen sulfide and organic waste gas, compare in current foul smell processing apparatus, the treatment effect is better.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. An odor control device of a garbage pit is characterized in that: the device comprises a first adsorption tank (2), a catalytic incinerator (4) for catalytically oxidizing organic waste gas, a second adsorption tank (6) and an activated carbon adsorption tank (9), wherein the first adsorption tank (2), the catalytic incinerator (4), the second adsorption tank (6) and the activated carbon adsorption tank (9) are sequentially arranged, a first air pump (1) is arranged between the first adsorption tank (2) and a garbage pit, and a first communication pipe (11) communicated with the garbage pit and a first air guide pipe (12) extending to the position below the liquid level of the first adsorption tank (2) are arranged on the first air pump (1); a dilute hydrochloric acid solution is arranged in the first adsorption tank (2), a second air suction pump (3) is arranged between the first adsorption tank (2) and the catalytic incinerator (4), and a second communicating pipe (31) extending to the upper side of the liquid level of the first adsorption tank (2) and a second air duct (32) communicated with the catalytic incinerator (4) are arranged on the second air suction pump (3); a sodium hydroxide solution is arranged in the second adsorption tank (6), a third air pump (5) is arranged between the second adsorption tank (6) and the catalytic incinerator (4), and a third communicating pipe (51) communicated with the catalytic incinerator (4) and a third air duct (52) extending to the lower side of the liquid level of the second adsorption tank (6) are arranged on the third air pump (5); a fourth air pump (7) is arranged between the second adsorption tank (6) and the activated carbon adsorption tank (9); and a fourth communicating pipe (71) extending to the upper side of the liquid level of the second adsorption tank (6) and a fourth air duct (72) communicated with the activated carbon adsorption tank (9) are arranged on the fourth air pump (7).
2. A refuse pit odor control apparatus according to claim 1, characterized in that: a cooling box (8) is further arranged between the activated carbon adsorption box (9) and the fourth air pump (7), one end, far away from the fourth air pump (7), of the fourth air duct (72) penetrates into the cooling box (8), and a connecting pipe (91) is arranged between the cooling box (8) and the activated carbon adsorption box (9); one end of the connecting pipe (91) penetrates into the cooling box (8) and is communicated with the fourth gas guide pipe (72), and the other end of the connecting pipe (91) extends onto the activated carbon adsorption box (9) and is communicated with the inside of the activated carbon adsorption box; cooler bin (8) one side is equipped with inside circulation case (84) that fill with water, be fixed with water pump (841) with circulation case (84) intercommunication on circulation case (84), water pump (841) with be connected with first water service pipe (842) between cooler bin (8), just circulation case (84) with be connected with second water service pipe (843) between cooler bin (8).
3. A refuse pit odor control device according to claim 2, characterized in that: the number of the activated carbon adsorption tanks (9) is multiple, the number of the connecting pipes (91) is multiple, and the number of the connecting pipes (91) is consistent with that of the activated carbon adsorption tanks (9); and a connecting piece communicated with the fourth gas guide pipe (72) is arranged in the cooling box (8), and the connecting piece is communicated with the plurality of connecting pipes (91).
4. A refuse pit odor control apparatus according to claim 3, characterized in that: the connecting piece comprises a rotating box (81) communicated with the fourth air duct (72) and a fixed box (82) communicated with the plurality of connecting pipes (91), the outer side wall, away from the fourth air duct (72), of the rotating box (81) is attached to and rotatably connected with the outer side wall, away from the connecting pipes (91), of the fixed box (82), and the rotating axis of the rotating box (81) relative to the fixed box (82) is coincident with the axis of the end part, located in the cooling box (8), of the fourth air duct (72); a plurality of connecting holes (821) communicated with the connecting pipes (91) are formed in the side wall, close to the rotating box (81), of the fixed box (82), and the connecting holes (821) are uniformly distributed around the rotating axis of the rotating box (81); an arc-shaped groove (811) extending around the rotation axis of the rotating box (81) is formed in the side wall, close to the fixing box (82), of the rotating box (81), and the arc-shaped groove (811) is communicated with part of the connecting holes (821).
5. A refuse pit odor control apparatus according to claim 4, characterized in that: the communication position of the first water pipe (842) and the cooling box (8) is arranged at one end of the cooling box (8) close to the second adsorption tank (6), and the communication position of the second water pipe (843) and the cooling box (8) is arranged at one end of the cooling box (8) close to the activated carbon adsorption box (9); rotate box (81) and be circular box-like, its axis and its self rotation axis coincidence, just be fixed with a plurality of rotating fan blade (813) on the arc lateral wall of rotating box (81), it is a plurality of rotating fan blade (813) encircle the axis evenly distributed of rotating box (81).
6. A refuse pit odor control apparatus according to claim 4, characterized in that: and one end of the connecting pipe (91) close to the activated carbon adsorption tank (9) is provided with an air flow meter (911) for detecting the flow velocity of gas in the connecting pipe (91).
7. A refuse pit odor control apparatus according to claim 6, characterized in that: a controller (912) and a warning lamp (913) are fixed outside the connecting pipe (91), and the controller (912) is electrically connected with the air flow meter (911) and the warning lamp (913) respectively.
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| CN202010222647.4A CN111389209A (en) | 2020-03-25 | 2020-03-25 | Odor control device of garbage pit |
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| CN202010222647.4A CN111389209A (en) | 2020-03-25 | 2020-03-25 | Odor control device of garbage pit |
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| CN111389209A true CN111389209A (en) | 2020-07-10 |
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Cited By (1)
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| CN118001911A (en) * | 2024-04-08 | 2024-05-10 | 四川省畜牧科学研究院 | Pig house foul smell clean system |
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