CN220861044U - Odor purifying device for environmental sanitation field - Google Patents
Odor purifying device for environmental sanitation field Download PDFInfo
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- CN220861044U CN220861044U CN202322702875.3U CN202322702875U CN220861044U CN 220861044 U CN220861044 U CN 220861044U CN 202322702875 U CN202322702875 U CN 202322702875U CN 220861044 U CN220861044 U CN 220861044U
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- reaction tower
- absorption reaction
- odor
- grid
- water distribution
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- 230000007613 environmental effect Effects 0.000 title description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000009826 distribution Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 33
- 238000005276 aerator Methods 0.000 claims abstract description 26
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000746 purification Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 53
- 239000000126 substance Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910017112 Fe—C Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to an odor purification device for the sanitation field, which comprises an induced draft fan, a gas booster pump, an absorption reaction tower, a flat microporous aerator, a circulating water pump, a liquid distributor, a water distribution grid, iron carbon fillers, an emptying valve and a pressure reducing valve, wherein an air outlet of the induced draft fan is communicated with an air inlet of the gas booster pump, an air outlet end of the gas booster pump is communicated with the flat microporous aerator at the lower end of the absorption reaction tower, the upper end and the lower end of the inside of the absorption reaction tower are respectively provided with the water distribution grid and the lower grid, the flat microporous aerator is arranged at the lower part of the lower grid, the iron carbon fillers are filled in the middle of the water distribution grid and the lower grid, the liquid distributor is arranged above the water distribution grid, the circulating water pump is respectively communicated with the lower end of the absorption reaction tower and the liquid distributor, the emptying valve is arranged at the lower end of the absorption reaction tower, and the pressure reducing valve is arranged at the upper end of the absorption reaction tower. Compared with the existing similar devices, the device has the advantages of high odor purification efficiency, simplicity and convenience in operation, no secondary pollution and the like, and has high application and popularization values.
Description
Technical Field
The utility model relates to an odor purifying device for the environmental sanitation field, and belongs to the technical field of environmental treatment equipment.
Background
In the situations of garbage collection, transportation and disposal and certain industrial and agricultural production activities, a great amount of odor gas is inevitably generated, and serious negative influence is brought to the life of surrounding residents, so that the problem of complaints of people in recent years is becoming the focus, and the requirements for odor management are becoming urgent. Currently, there are two main types of control modes for malodorous gases: the source purification mode is to spray the agent onto the surface of the odor generating source through deodorization by the agent, and eliminate the generation of odor from the source through the biological and chemical actions of the agent, garbage and odor substances; the other is to collect and then intensively process the odor through a deodorizing device, and typical deodorizing devices include an incinerator, a biological filter, a physical and chemical reaction absorber, etc. The incineration device is generally used for disposing high-concentration odor gas, but the problems of incomplete disposal, secondary pollution caused by residual and resultant after incineration often exist, and in addition, the construction of incineration facilities has higher requirements on the surrounding environment, which further limits the application of the incineration device. Biological filtration devices and physical and chemical reaction absorption devices are generally used for disposing low-concentration odor gas; the method has the advantages of mild treatment conditions and friendly environment, is more suitable for the application of removing the odor in crowded scenes, and particularly has wide application prospect in the field of removing the odor generated in the field of collecting, storing and transporting sanitation garbage; however, the existing technology method still has the defects of slow mass transfer, low absorption and purification efficiency and the like in the odor substance absorption process, and needs further enhancement and improvement.
Disclosure of utility model
First, the technical problem to be solved
In order to solve the problems in the prior art, the utility model provides the odor purifying device for the environmental sanitation field, which can efficiently absorb and react odor substances to remove the odor of gas, and has the advantages of high odor purifying efficiency, simple and convenient operation, no secondary pollution and the like compared with the similar devices existing at present, and has great application and popularization values.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
The utility model provides a sanitation field odor purification device for sanitation field, it includes the draught fan, the gas booster pump, the absorption reaction tower, dull and stereotyped micropore aerator, circulating water pump, the liquid distributor, the water distribution grid, the iron carbon filler, relief valve and relief valve, the air outlet of draught fan and gas booster pump air intake pass through the pipeline intercommunication, the flat board micropore aerator of the lower extreme of absorption reaction tower is linked together to the end of giving vent to anger of gas booster pump, the inside upper and lower extreme of absorption reaction tower is equipped with water distribution grid and lower grid respectively, the lower part of lower grid is located to the flat board micropore aerator, the iron carbon filler is filled to the centre of water distribution grid and lower grid, the top of water distribution grid is located to the liquid distributor, circulating water pump linked together the lower extreme and the liquid distributor of absorption reaction tower respectively, the lower extreme of absorption reaction tower is located to the relief valve, the upper end of absorption reaction tower is located to the relief valve.
In the odor purifying apparatus as described above, preferably, the induced draft fan is a gas delivery device such as an exhaust fan or a blower.
In the odor purifying apparatus described above, the gas booster pump is preferably a centrifugal compressor or a positive displacement compressor, and pressurizes the gas to maintain a certain pressure inside the absorption tower.
The odor purifying apparatus as described above, preferably, the absorption reaction tower is a sealed tower, the upper part of which is a cylinder and the lower part of which is a reverse cone; the ratio of the height of the cylinder to its diameter is set to 3:1, 4:1, 5:1 or 6:1.
In the odor purifying device, preferably, the water distribution grid is a net-shaped plastic grid, and the diameter of the net holes is 5 mm-20 mm; further preferably, the mesh diameter is 5mm or 10mm.
As described above, the liquid distributor is preferably a shower head having a plurality of micropores, the diameter of the shower head is 200 to 300mm, and the diameter of the micropores is 2 to 5mm.
The above-mentioned odor purifying device in the field of sanitation, preferably, the micropores of the flat plate microporous aerator have diameters of 80 to 100 μm; the iron-carbon filler is spherical and has a diameter of 10 mm-50 mm.
The above-mentioned odor purifying device in the sanitation field, preferably, the absorption reaction towers are provided in plurality, and the plurality of absorption reaction towers are connected in series or in parallel;
When the adsorption reaction towers are connected in series, the exhaust port of the adsorption reaction tower at the front end is communicated with the flat plate microporous aerator of the adsorption reaction tower at the rear end;
When in parallel connection, the gas booster pump is introduced into the lower end of the absorption reaction tower through a pipeline and is communicated with the flat plate microporous aerator.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
According to the application method of the odor purification device for the environmental sanitation field, provided by the utility model, the absorption and micro-electrolysis reaction of the odor substances in the gas in the aqueous solution are enhanced by adopting the pressurizing measure, so that the efficiency of removing the odor of the gas is improved. The utility model has the advantages of simple and convenient operation, convenient realization of automatic control and no secondary pollution.
Drawings
Fig. 1 is a schematic view of the structure of an odor purifying apparatus of the present utility model, which is preferably used in the field of sanitation.
[ Reference numerals description ]
1: An absorption reaction tower;
2: an iron carbon filler;
3: a water distribution grid;
4: a liquid distributor;
5: a flat plate microporous aerator;
6: a circulating water pump;
7: an induced draft fan;
8: a gas booster pump;
9: a blow-off valve;
10: a pressure reducing valve.
Detailed Description
The utility model provides an odor purification device in the sanitation field, which comprises an absorption reaction tower, wherein iron-carbon filler is filled in the tower, a water distribution device is arranged at the upper part of the iron-carbon filler, an air distribution device is arranged at the lower part of the iron-carbon filler, and a circulating water pump, an induced draft fan and an air booster pump are arranged outside the absorption reaction tower. The odor-containing gas in the environment enters the absorption tower through a draught fan and a gas booster pump, the pressure in the absorption tower is maintained between 0.1 and 1.5Mpa according to the requirement, the gas is distributed through a gas distribution system, and the gas uniformly passes through a filling area from bottom to top in the form of tiny bubbles; the circulating water pump is responsible for circulating the water solution after the reaction regeneration at the bottom of the tower to the top of the tower, and after passing through the liquid distributor and the water distribution device, the water solution uniformly passes through the filler area from top to bottom to be contacted with gas, so as to absorb the odor substances in the gas, and the odor substances in the water solution are diffused to the surface of the filler to generate micro-electrolysis reaction, thereby realizing the purpose of eliminating odor; the gas after eliminating the odor is discharged to the environment after being decompressed by the decompression valve.
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
The utility model provides an odor purification device for sanitation field, its main part is an absorption reaction tower, and absorption reaction tower is circular tower, and the ratio of height to diameter can be set to 3:1, 4:1, 5:1, 6:1 multiple specification, and the bottom is the back taper, makes things convenient for the liquid to arrange outward, specifically, the absorption reaction tower height of selecting is 4000mm, and the diameter is 1000mm. The whole absorption reaction tower can be divided into an upper water distribution area, a middle filling area and a lower absorption liquid collecting area, wherein the heights of the lower absorption liquid collecting area and the upper water distribution area are not less than 500mm, and the embodiment is 500mm. As shown in fig. 1, a middle filler region of an absorption reaction tower 1 is filled with iron-carbon filler 2, a water distribution grid 3 and a lower grid are arranged at the upper end and the lower end inside the absorption reaction tower 1, the iron-carbon filler 2 is arranged between the water distribution grid 3 and the lower grid, a water distribution device, namely a liquid distributor 4 and the water distribution grid 3, is arranged in an upper water distribution region of the iron-carbon filler 2, a gas distribution device, namely a flat-plate microporous aerator 5 is arranged in a lower absorption liquid collecting region, and a circulating water pump 6, an induced draft fan 7 and a gas booster pump 8 are arranged outside the reaction tower. Wherein, the air outlet of draught fan is through pipeline intercommunication with gaseous booster pump air intake, and gaseous booster pump and dull and stereotyped micropore aerator 5 intercommunication, circulating water pump 6 intercommunication absorption reaction tower 1's lower extreme and liquid distributor 4. The gas booster pump 8 is introduced into the lower end of the absorption reaction tower 1 through a pipeline and is communicated with the flat-plate microporous aerator 5, and the lower end of the absorption reaction tower 1 is provided with an emptying valve 9 which is used for emptying liquid in the absorption reaction tower 1 after shutdown. The upper end of the absorption reaction tower is also provided with a pressure reducing valve 10, and the purified gas is discharged to the environment after being decompressed by the pressure reducing valve at the upper part of the absorption reaction tower.
Further, the induced draft fan 7 is a gas conveying device such as an exhaust fan or a blower, and collects the gas containing the odor, and blows the gas into the gas booster pump 8 through the exhaust fan or the blower, wherein the gas booster pump 8 is a centrifugal or positive displacement compressor, pressurizes the gas, preferably the positive displacement compressor, and raises the pressure of the odor gas to a required pressure and maintains the pressure of the system constant. When in work, the system pressure is maintained to be 0.1-1.5 MPa, and typical pressure values are 0.5MPa and 1.0MPa.
The utility model is provided with a water distribution device system in the absorption reaction tower: and the liquid distributor and the water distribution grid are adopted to realize secondary water distribution. The water distribution grid is a net-shaped plastic grid, and the diameter of the net holes is 10mm. The liquid distributor is a spray header with a plurality of micropores, and the main function is to disperse the circulating absorption liquid, wherein the diameter of the spray header is 300mm, and the diameter of the micropores is 2mm. The water distribution device can play a role in evenly distributing the absorption liquid to the cross section of the whole filler, and is beneficial to fixing the filler and preventing the filler from being broken and entrained.
The diameter of the micropores of the flat plate aerator can be set to be 80-100 mu m, the service areas (the cross-sectional areas of the absorption reaction towers) of the aerators with different diameters are different, the flat plate aerators with different diameters are selected according to the relative sizes of the diameters of the absorption towers and the diameters of the flat plate aerators, and the diameter of the flat plate aerator is 270mm in the preferred embodiment.
When the device works, odor gas in the environment enters the absorption reaction tower through the induced draft fan and the gas booster pump, the pressure in the absorption reaction tower is pressurized and maintained between 0.1 and 1.5Mpa through the gas booster pump, and the gas is distributed through the gas distribution system and uniformly passes through the filling area from bottom to top in the form of tiny bubbles; the circulating water pump is responsible for circulating the water solution after the reaction regeneration at the bottom of the tower to the top of the tower, and after passing through the liquid distributor and the water distribution grid, the water solution uniformly passes through the filler area from top to bottom to be contacted with gas, so as to absorb the odor substances in the gas, and the odor substances in the water solution gradually diffuse to the surface of the filler to generate micro-electrolysis reaction, thereby realizing the purpose of eliminating odor; the gas after eliminating the odor is discharged to the environment after being decompressed by the decompression valve.
The main body of the micro-electrolysis system of the iron-carbon filler is the iron-carbon filler, the iron-carbon filler is spherical, the diameter of the iron-carbon filler is 10-50 mm, the iron-carbon filler mainly comprises two substances of iron and carbon, the surface and the inside of the iron-carbon filler are rich in micropores, when the iron-carbon filler is immersed in an aqueous solution, a plurality of Fe-C micro-battery systems are formed, the action space of the iron-carbon filler forms a plurality of micro-electric fields, a large amount of Fe 2+ is generated by anode reaction and enters wastewater, and the Fe 3+ is oxidized to form a flocculating agent with higher adsorption activity. The cathode reaction produces a great amount of nascent active components, such as H, O, etc., which can all react with absorption liquid and many odor substances in micro bubbles to produce oxidation-reduction reaction, so that organic macromolecules are broken and degraded, thereby eliminating odor.
Many malodorous substances are insoluble or even insoluble in water under normal pressure, but only soluble in water, the malodorous substances can fully act with the iron carbon filler to generate micro-electrolysis reaction. The utility model increases the solubility of the odor substances in water in a pressurizing manner, thereby improving the removal effect of the odor substances. According to the requirement, the gas can be pressurized to 0.1-1.5 MPa by a gas booster pump, the absorption reaction tower is a closed system, and the inside of the system can maintain constant pressure.
The gas distribution system adopts the flat-plate microporous aerator, has small bubble diameter, uniform bubble diffusion and large gas-liquid interface area, thereby greatly improving the mass transfer rate and the absorption effect.
When the odor purification device is used, firstly, absorbing liquid is injected into an absorbing liquid collecting area at the lower part of an absorption reaction tower, so that the liquid level of the absorbing liquid is immersed into a lower grille, and then the liquid injection is stopped, wherein the absorbing liquid is aqueous solution, and the pH value of the absorbing liquid is controlled to be between 6 and 7 by adding acid or alkali (hydrochloric acid or sodium hydroxide) in the running process of the device; starting a circulating water pump, circulating the aqueous solution at the bottom of the tower to the top of the tower, uniformly passing through a packing area from top to bottom after passing through a liquid distributor and a water distribution device, re-entering an absorption liquid collecting area, and circularly reciprocating; then starting an induced draft fan, gathering odor gas in the environment by the induced draft fan, boosting the pressure of the odor gas by a gas booster pump, and then entering an absorption reaction tower, and keeping the pressure in a device system constant, wherein the pressure is 0.1-1.5 MPa; the odor gas after the pressure boost is dispersed by a flat aerator and is dispersed into tiny bubbles in the aqueous solution, and the bubbles uniformly pass through the filling area from bottom to top; in the process, the odor substances in the bubbles enter the aqueous solution and further diffuse to the surface of the filler to generate micro-electrolysis reaction, so that the purpose of eliminating odor is realized; the gas after eliminating the odor is discharged to the environment after being decompressed by the decompression valve.
Typical application scenarios of the utility model are garbage transfer stations, garbage classification and recycling stations, sewage treatment plants, garbage disposal plants and other closed or semi-closed odor gas generation spaces. The main body of the device can be installed outside the scene, and the exhaust fan or the blower can be installed inside the scene or on a wall. The device can be turned off by starting the manual operation device, and when the device is started, the circulating water pump is started firstly, and then the gas booster pump and the exhaust fan (or the blower) are started in sequence; when the machine is stopped, the exhaust fan (or the blower), the gas booster pump and the circulating water pump are sequentially stopped. The automatic odor detection device can also be installed in the scene, and the automatic control device can be started and stopped according to the odor concentration in the scene, so that automatic control is realized.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any person skilled in the art may make modifications or alterations to the above disclosed technical content to equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides an odor purification device for sanitation field, a serial communication port, it includes the draught fan, the gas booster pump, the absorption reaction tower, dull and stereotyped micropore aerator, circulating water pump, liquid distributor, the water distribution grid, the iron carbon filler, relief valve and relief valve, the air outlet and the gas booster pump air intake intercommunication of draught fan, the dull and stereotyped micropore aerator of the lower extreme of gas booster pump air outlet end intercommunication absorption reaction tower, the inside upper and lower extreme of absorption reaction tower is equipped with water distribution grid and lower grid respectively, the lower part of lower grid is located to the dull and stereotyped micropore aerator, the iron carbon filler has been filled to the centre of water distribution grid and lower grid, liquid distributor locates the top of water distribution grid, circulating water pump communicates the lower extreme and the liquid distributor of absorption reaction tower respectively, the relief valve is located the lower extreme of absorption reaction tower, the upper end of absorption reaction tower is located to the relief valve.
2. The odor purification apparatus of claim 1 wherein said induced draft fan is an exhaust fan or blower.
3. The odor purification apparatus of claim 1 wherein said gas booster pump is a centrifugal compressor or a positive displacement compressor.
4. The odor control device as defined in claim 1, wherein the reaction tower is a sealed tower having a cylindrical upper portion and a reverse conical lower portion; the ratio of the height of the cylinder to its diameter is set to 3:1, 4:1, 5:1 or 6:1.
5. An odor purification apparatus as defined in claim 1, wherein said water distribution grid is a mesh-like plastic grid having a mesh diameter of 5mm to 20mm.
6. The odor control device as defined in claim 1, wherein said liquid distributor is a showerhead having a plurality of micro-holes, said showerhead having a diameter of 200-300 mm and said micro-holes having a diameter of 2-5 mm.
7. The odor control device as defined in claim 1, wherein the micropores of the flat plate microporous aerator have a diameter of 80 to 100 μm; the iron-carbon filler is spherical and has a diameter of 10 mm-50 mm.
8. The odor purification apparatus of claim 1, wherein said absorption towers are provided in plurality, and wherein said plurality of absorption towers are connected in series or in parallel;
When the adsorption reaction towers are connected in series, the exhaust port of the adsorption reaction tower at the front end is communicated with the flat plate microporous aerator of the adsorption reaction tower at the rear end;
When in parallel connection, the gas booster pump is introduced into the lower end of the absorption reaction tower through a pipeline and is communicated with the flat plate microporous aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702875.3U CN220861044U (en) | 2023-10-09 | 2023-10-09 | Odor purifying device for environmental sanitation field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322702875.3U CN220861044U (en) | 2023-10-09 | 2023-10-09 | Odor purifying device for environmental sanitation field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220861044U true CN220861044U (en) | 2024-04-30 |
Family
ID=90818812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322702875.3U Active CN220861044U (en) | 2023-10-09 | 2023-10-09 | Odor purifying device for environmental sanitation field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220861044U (en) |
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2023
- 2023-10-09 CN CN202322702875.3U patent/CN220861044U/en active Active
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