CN213790878U - Be applied to deodorizing device of enzyme preparation trade sewage factory - Google Patents
Be applied to deodorizing device of enzyme preparation trade sewage factory Download PDFInfo
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- CN213790878U CN213790878U CN202021116892.9U CN202021116892U CN213790878U CN 213790878 U CN213790878 U CN 213790878U CN 202021116892 U CN202021116892 U CN 202021116892U CN 213790878 U CN213790878 U CN 213790878U
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Abstract
The utility model belongs to the technical field of gaseous deodorization, a be applied to deodorizing device of enzyme preparation trade sewage plant is disclosed, including chemical washing unit and the biological deodorization unit of establishing ties the intercommunication in proper order, wherein, chemical washing unit is including the pickling unit and the alkali wash unit of establishing ties the intercommunication in proper order. The utility model discloses a be applied to deodorizing device of enzyme preparation trade sewage plant can get rid of the foul smell of enzyme preparation trade sewage plant more high-efficient, comprehensively.
Description
Technical Field
The utility model belongs to the technical field of gaseous deodorization, concretely relates to be applied to deodorizing device of enzyme preparation trade sewage factory.
Background
Besides hydrogen sulfide, ammonia gas and methyl mercaptan, the odor components of sewage plants in the enzyme preparation industry also contain some volatile organic gases (including low molecular fatty acids, amines, aldehydes, ethers, halogenated hydrocarbons, aliphatic compounds, aromatic compounds and the like).
At present, the deodorization process for sewage plants in the enzyme preparation industry is few, the prior art usually adopts the biological deodorization principle to remove volatile organic gases in odor components, has good deodorization effect on gases with strong biodegradability such as amines, aldehydes, ethers and the like, but is not ideal in deodorization efficiency on gases with poor biodegradability such as halogenated hydrocarbons, aliphatic and aromatic series and the like, and is not enough to meet the requirements of high standard and stricter emission standard.
SUMMERY OF THE UTILITY MODEL
In order to more efficiently and comprehensively remove the odor of the sewage plant in the enzyme preparation industry, the utility model provides a deodorizing device applied to the sewage plant in the enzyme preparation industry.
According to the utility model discloses a be applied to deodorizing device of enzyme preparation trade sewage plant, including chemical washing unit and the biological deodorization unit of establishing ties the intercommunication in proper order, wherein, chemical washing unit is including the pickling unit and the alkali wash unit of establishing ties the intercommunication in proper order.
Further, the acid washing unit comprises a first washing tower and an acid dosing system communicated with the liquid storage layer of the first washing tower; the alkali washing unit comprises a second washing tower and an alkaline dosing system communicated with a liquid storage layer of the second washing tower, and a first air outlet of the first washing tower is communicated with a second air inlet of the second washing tower.
Further, the chemical scrubbing unit further comprises an oxidation dosing system, and the oxidation dosing system is selectively communicated with the second scrubbing tower.
Further, the acid dosing system comprises sulfuric acid with the concentration range of 4% -10%, the alkaline dosing system comprises sodium hydroxide with the concentration range of 20% -30%, and the oxidation dosing system comprises sodium hypochlorite with the concentration range of 10% -15%.
Further, the liquid sprayed in the first washing tower and/or the second washing tower is water, or the liquid sprayed in the first washing tower is acidic liquid, and the liquid sprayed in the second washing tower is alkaline liquid.
Further, the biological deodorization unit comprises a third washing tower, wherein a liquid storage layer, an air inlet layer, a packing layer and a spraying layer are sequentially arranged in the first washing tower, the second washing tower and the third washing tower from bottom to top, and the spraying layers are communicated with an external water replenishing device.
Further, the first gas outlet of the first scrubber tower is higher than the first gas inlet of the first scrubber tower, the second gas outlet of the second scrubber tower is higher than the second gas inlet of the second scrubber tower, the first gas outlet is higher than the second gas inlet, the third gas inlet of the third scrubber tower is lower than the second gas outlet of the second scrubber tower, and the third gas outlet of the third scrubber tower is higher than the third gas inlet of the third scrubber tower.
Furthermore, the packing layers of the first washing tower and the second washing tower respectively comprise inert packing, and the packing layer of the third washing tower comprises biological packing and deodorizing bacteria attached to the biological packing.
Furthermore, the liquid storage layers in the first washing tower, the second washing tower and the third washing tower are respectively communicated with the spraying layer, so that the spraying liquid falling into the liquid storage layers can be recycled to the spraying layer.
Further, the deodorization device also comprises a monitoring system, and the monitoring system comprises a PH value detection part arranged in the liquid storage layers in the first washing tower and the second washing tower.
Compared with the prior art, the utility model discloses a be applied to deodorizing device of enzyme preparation trade sewage plant has following advantage:
1) through setting up chemical washing unit and biological deodorization unit and the chemical washing unit that the series connection communicates in proper order, the alkaline washing unit makes the relatively poor composition of biodegradability in the foul smell get rid of through chemical washing unit including the pickling unit, the alkaline washing unit that the series connection communicates in proper order, and the stronger composition of biodegradability in the foul smell is got rid of through biological deodorization unit, can be in order to get rid of the foul smell of enzyme preparation trade sewage plant more high-efficiently, comprehensively.
2) Make the medicine system independent of the scrubbing tower when communicating with the scrubbing tower through the medicine system that sets up and the scrubbing tower intercommunication, operating personnel can be according to odor concentration medicament kind or medicament concentration in the medicine system of adjustment outside the scrubbing tower, convenient operation, and is more nimble.
3) Through the arrangement of the chemical washing unit, the chemical washing unit further comprises an oxidation dosing system which is selectively communicated with the second washing tower, so that when the oxidation dosing system and the alkaline dosing system are communicated with the second washing tower, the oxidizing agent in the oxidation dosing system is in an alkaline environment, and the chemical washing unit is more stable. The oxidation medicine adding system can also supply an oxidizing agent to the second washing tower so that harmful ingredients in the odor can be oxidized, and a better deodorization effect is achieved.
4) Make operating personnel can observe the PH value of liquid in the stock solution layer in first scrubbing tower and the second scrubbing tower in real time through setting up PH detection part in deodorizing device, can in time input the medicament in the stock solution layer through the medicine system to the stock solution layer of scrubbing tower when the liquid PH value on the stock solution layer of scrubbing tower exceeds appointed value to maintain the acid environment in the first scrubbing tower, the alkaline environment in the second scrubbing tower.
Drawings
Fig. 1 is a schematic structural diagram of a deodorizing device applied to a sewage plant in the enzyme preparation industry according to an embodiment of the present invention.
Detailed Description
For better understanding of the purpose, structure and function of the present invention, the deodorizing device applied to the sewage treatment plant in the enzyme preparation industry of the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a deodorization device 100 applied to a sewage plant in the enzyme preparation industry according to an embodiment of the present invention, which includes a chemical washing unit 1 and a biological deodorization unit 2 connected in series in sequence, wherein the chemical washing unit 2 includes an acid washing unit 11 and an alkali washing unit 12 connected in series in sequence.
The sewage treatment plant in the enzyme preparation industry can release a large amount of harmful gases during sewage treatment, and the harmful gases comprise organic compounds and inorganic compounds, wherein the organic compounds mainly comprise low-molecular fatty acids (such as formic acid), amines (such as trimethylamine), aldehydes (such as formaldehyde), ethers (such as methyl sulfide), halogenated hydrocarbons (such as methane chloride), aliphatic (such as methane), aromatic (such as toluene and phenol) and the like; the inorganic compound mainly includes ammonia, hydrogen sulfide, and the like.
The utility model discloses be applied to deodorizing device 100 of enzyme preparation trade sewage plant when using, treat that deodorant gas at first gets into chemical washing unit 1, through pickling unit 11, alkali wash unit 12 in proper order for harmful component and acid solution, alkaline solution in the gas of treating the deodorization take place following reaction respectively:
in the acid washing unit 11, a halogenated hydrocarbon (e.g., methyl chloride): CH (CH)3Cl+H2O＝CH3OH+HCl；
In the alkaline washing unit 12, the alkaline washing unit,
aromatic (e.g., phenol): c6H5OH+NaOH＝C6H5Na+H2O；
Halogenated hydrocarbons (such as methyl chloride): CH (CH)3Cl+NaOH＝CH3OH+NaOH；
Alcohols (e.g., methyl mercaptan): CH (CH)3SH+NaOH＝CH3SNa+H2O；
Hydrogen sulfide: h2S+2NaOH＝Na2S+2H2O。
The odor after passing through the chemical washing unit 1 enters the biological deodorization unit 2, the odor is absorbed and absorbed by the microorganisms in the biological deodorization unit 2, wherein the odor dissolved in water is absorbed by the microorganisms through cell walls and cell membranes of the microorganisms, the odor insoluble in water is firstly attached to the outside of the microorganisms, extracellular enzymes secreted by the microorganisms are decomposed into soluble substances and then permeate into the cells, and odor components entering the cells of the microorganisms are subjected to biochemical reaction with the microorganisms and are decomposed and utilized by the microorganisms, so that the odor entering the biological deodorization unit 2 is removed.
In biological deodorization unit 2, some gases with strong biodegradability (such as hydrogen sulfide, methyl mercaptan, etc.) can be effectively removed, after the treatment of chemical washing unit 1 and biological deodorization unit 2, the components with strong biodegradability and weak biodegradability in the odor are all effectively removed, the deodorization efficiency can reach 95% -99%, and finally the gases reaching the emission standard are discharged from deodorization device 100.
As shown in fig. 1, the acid wash unit 11 may include a first scrubber 111 and an acid dosing system 112 in communication with a liquid reservoir 231 of the first scrubber 111; the alkaline washing unit 12 may include a second scrubber 122 and an alkaline dosing system 121 in communication with a liquid storage layer 231 of the second scrubber 122, the liquid storage layer 231 of the first scrubber 111 is not in communication with the liquid storage layer 231 of the second scrubber 122, and the first air outlet 114 of the first scrubber 111 is in communication with the second air inlet 123 of the second scrubber 122. Through the arrangement, the odor to be deodorized enters the chemical washing unit 1 and then sequentially passes through the acid washing unit 11 and the alkali washing unit 12, so that different components in the odor respectively react with the acid medicament and the alkali medicament, and the deodorization is more thorough; taking the pickling unit 11 as an example, the acid dosing system 112 of the pickling unit 11 is independent of the first washing tower 111 while communicating with the first washing tower 111, and an operator can adjust the type or concentration of the agent in the acid dosing system 112 outside the first washing tower 111 according to the odor concentration, so that the operation is convenient and flexible. The advantages of the alkaline dosing system 121 of the alkaline cleaning unit 12 communicating with the second scrubber tower 122 are similar to those of the acid cleaning unit 11 and will not be described in detail herein.
In addition, the first scrubber 111 and the second scrubber 122 may be provided as two separate parts and connected by a gas pipe, or as shown in fig. 1, the first scrubber 111 and the second scrubber 122 may be integrally formed in parallel and in series, a gas passage is configured between the first scrubber 111 and the second scrubber 122, and gas discharged from the first scrubber 111 enters the second scrubber 122 through the gas passage, so that the structure is more compact and the floor space is smaller.
According to the deodorization apparatus 100 applied to the sewage plant of the enzyme preparation industry according to the present embodiment, the chemical washing unit 1 may further include an oxidation dosing system 13, and the oxidation dosing system 13 may be selectively communicated with the second washing tower 122. Through the arrangement, when the oxidation dosing system 13 and the alkaline dosing system 121 are both communicated with the second washing tower 122, the oxidizing agent in the oxidation dosing system 13 is in an alkaline environment, and is more stable. The oxidation dosing system 13 provides an oxidizing agent in the second scrubber 122 so that harmful components in the odor can be oxidized, thereby having a better deodorization effect.
In this embodiment, sulfuric acid may be included in the acidic dosing system 112 in a concentration range of 4% -10%, sodium hydroxide may be included in the alkaline dosing system 121 in a concentration range of 20% -30%, and sodium hypochlorite may be included in the oxidative dosing system 13 in a concentration range of 10% -15%. This arrangement allows the environment within the first and second scrubbing towers 111 and 122 to be treated in the most cost effective and efficient manner. Preferably, the concentration of sulfuric acid is 6%, the concentration of sodium hydroxide is 25%, and the concentration of sodium hypochlorite is 12.5%. Of course, the acid dosing system 112 may contain other acid agents, the alkaline dosing system 121 may contain other alkaline agents, and the oxidation dosing system 13 may contain other oxidizing agents, which are not limited herein.
In a preferred embodiment, the liquid sprayed in the first scrubber 111 and/or the second scrubber 122 may be water, and in this case, the acidic and alkaline agents may be added to the first scrubber 111 and the second scrubber 122 through the acidic chemical feeding system 112 and the alkaline chemical feeding system 121, respectively. In this embodiment, the first scrubber 111 and/or the second scrubber 122 may be used as a water washing unit, which is suitable for a case where the concentration of the gas to be deodorized is low.
In another preferred embodiment, the liquid sprayed in the first scrubber 111 is an acidic liquid and the liquid sprayed in the second scrubber 122 is a basic liquid. At this time, the first scrubber 111 and the second scrubber 122 have the acidic and alkaline chemicals themselves, and the acidic chemical adding system 112 and the alkaline chemical adding system 121 can be used as a backup. This embodiment is more suitable for the case where the concentration of the gas to be deodorized is high or the composition poor in biodegradability is high.
Preferably, acid dosing system 112 and/or alkaline dosing system 121 may be appropriately turned on when the gas to be deodorized is more concentrated or when the less biodegradable component is more concentrated.
As shown in fig. 1, the bio-deodorization unit 2 may include a third washing tower 23, wherein a liquid storage layer 231, an air inlet layer 232, a packing layer 233 and a spraying layer 234 may be disposed in each of the first washing tower 111, the second washing tower 122 and the third washing tower 23 from bottom to top, and each spraying layer 234 may be simultaneously communicated with the external water supplement device 4. By the arrangement, the external water replenishing device 4 can supply water to each spraying layer 234, and each spraying layer 234 can work normally. In this embodiment, the external water supply device 4 can be the tail water of the plant (i.e. the treated sewage in the plant can reach the water standard of the spraying layer 234), and by this arrangement, the water resource can be further saved, and the economy can be improved.
According to the deodorizing device 100 applied to the sewage treatment plant in the enzyme preparation industry according to the embodiment of the present invention, the position of the first gas outlet 114 of the first washing tower 111 may be higher than the position of the first gas inlet 113 of the first washing tower 111, the position of the second gas outlet 124 of the second washing tower 122 may be higher than the position of the second gas inlet 123 of the second washing tower 122, the position of the first gas outlet 114 may be higher than the position of the second gas inlet 123, the position of the third gas inlet 235 of the third washing tower 23 may be lower than the position of the second gas outlet 124 of the second washing tower 122, and the position of the third gas outlet 236 of the third washing tower 23 may be higher than the position of the third gas inlet 235 of the third washing tower 23. Through the arrangement, the gas to be deodorized enters the first washing tower 111, the second washing tower 122 and the third washing tower 23, and then has a longer circulation path, so that a better deodorization effect is achieved.
In this embodiment, the packing layers 233 of the first and second scrubbing towers 111 and 122 may each include an inert packing, and the packing layer 233 of the third scrubbing tower 23 may include a bio-packing and deodorizing bacteria attached to the bio-packing. The "biological filler" as referred to herein may be a carbonaceous filler or an inert filler (a filler which does not react with microorganisms or odor, for example, an inert alumina filler) or the like, and the deodorizing bacteria may be acidophilic bacteria, nitrifying bacteria or the like. The spray liquid can provide moisture and required nutrient substances for the 'deodorization bacteria' attached to the inert fillers, and the odor moves along the pores among the inert fillers and carries out biochemical reaction with the deodorization bacteria attached to the fillers, so that various components in the odor are fully removed.
As shown in fig. 1, the liquid storage layers 231 in the first scrubber 111, the second scrubber 122 and the third scrubber 23 may be respectively communicated with the spray layer 234, so that the spray liquid falling into the liquid storage layers 231 can be recycled to the spray layer 234. Make from spraying the liquid that sprays that layer 234 sprays can fall into the stock solution layer 231 through this setting, reduce the waste that sprays the liquid, the liquid that sprays in the stock solution layer 231 can also circulate to spraying in the layer 234 simultaneously, practices thrift and sprays the liquid.
Here, the term "odor reacts with the shower liquid" means that a component which is easily soluble in water, such as ammonia gas, in odor reacts with water, and that odor reacts with deodorant bacteria in the shower liquid after circulation (the shower liquid after circulation contains deodorant bacteria).
Preferably, the liquid storage layer 231 and the spraying layer 234 can be connected through a circulating pump 115, and preferably, two circulating pumps 115 can be provided, one for each, to ensure that the spraying liquid in the liquid storage layer 231 can be circulated into the spraying layer 234.
The deodorization apparatus 100 of the present embodiment may further include a monitoring system, and the monitoring system may include a PH value detection part 3 disposed in the liquid storage layer 231 inside the first and second washing towers 111 and 122. Through the arrangement, an operator can observe the pH value of the liquid in the liquid storage layers 231 in the first washing tower 111 and the second washing tower 122 in real time, and when the pH value of the liquid in the liquid storage layer 231 of the first washing tower 111 is higher than 4, the acid dosing system 112 can be opened, and an acid medicament is input into the liquid storage layer 231 of the first washing tower 111 so as to maintain the acid environment in the first washing tower 111; when the liquid PH of the liquid storage layer 231 of the second scrubber 122 is lower than 8, the alkaline chemical feeding system 121 may be opened to feed alkaline chemicals into the liquid storage layer 231 of the second scrubber 122 to maintain the alkaline environment inside the second scrubber 122.
Preferably, the monitoring system may further include a plurality of gas monitors 5 disposed behind the bio-deodorization unit 2 for monitoring the contents of various gas components discharged from the bio-deodorization unit, so that an operator can know the progress of deodorization of the gas in real time and perform discharge after the discharge standard is met.
Further preferably, the plurality of gas monitors 5 may include at least a hydrogen sulfide monitor and an ammonia gas monitor.
It is also preferred that a demisting device 6 may be connected after the bio-deodorizing unit 2 and before the gas monitor 5. The moisture in the gas can be removed through the arrangement, and the moisture content requirement of gas emission is met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The utility model provides a deodorizing device for sewage factory of enzyme preparation trade which characterized in that, is including the chemical washing unit and the biological deodorization unit that establish ties the intercommunication in proper order, wherein, the chemical washing unit is including the pickling unit and the alkali wash unit that establish ties the intercommunication in proper order, be provided with the gas monitor behind the biological deodorization unit, the gas monitor is used for monitoring follows the content of the various gaseous components of biological deodorization unit exhaust.
2. The deodorization device applied to the sewage plant in the enzyme preparation industry according to claim 1, wherein the acid washing unit comprises a first washing tower and an acid dosing system communicated with a liquid storage layer of the first washing tower; the alkaline washing unit comprises a second washing tower and an alkaline dosing system communicated with a liquid storage layer of the second washing tower, and a first air outlet of the first washing tower is communicated with a second air inlet of the second washing tower.
3. The odor removal device applied to a sewage plant in the enzyme preparation industry according to claim 2, wherein the chemical washing unit further comprises an oxidation dosing system, and the oxidation dosing system is selectively communicated with the second washing tower.
4. The deodorization device applied to the sewage plant in the enzyme preparation industry according to claim 3, wherein sulfuric acid with a concentration ranging from 4% to 10% is contained in the acidic drug adding system, sodium hydroxide with a concentration ranging from 20% to 30% is contained in the alkaline drug adding system, and sodium hypochlorite with a concentration ranging from 10% to 15% is contained in the oxidative drug adding system.
5. The deodorization device applied to sewage plants in the enzyme preparation industry according to any one of claims 2 to 4, wherein the liquid sprayed in the first washing tower and/or the second washing tower is water, or the liquid sprayed in the first washing tower is acidic liquid and the liquid sprayed in the second washing tower is alkaline liquid.
6. The deodorization device applied to the sewage plant in the enzyme preparation industry according to any one of claims 2 to 4, wherein the biological deodorization unit comprises a third washing tower, a liquid storage layer, an air inlet layer, a packing layer and a spraying layer are arranged in the first washing tower, the second washing tower and the third washing tower from bottom to top in sequence, and each spraying layer is communicated with an external water replenishing device.
7. The deodorization apparatus applied to a sewage plant in the enzymology industry according to claim 6, wherein a position of the first air outlet of the first washing tower is higher than a position of the first air inlet of the first washing tower, a position of the second air outlet of the second washing tower is higher than a position of the second air inlet of the second washing tower, a position of the first air outlet is higher than a position of the second air inlet, a position of the third air inlet of the third washing tower is lower than a position of the second air outlet of the second washing tower, and a position of the third air outlet of the third washing tower is higher than a position of the third air inlet of the third washing tower.
8. The deodorization device applied to sewage plants in the enzyme preparation industry according to claim 7, wherein the packing layers of the first washing tower and the second washing tower comprise inert packing, and the packing layer of the third washing tower comprises biological packing and deodorization bacteria attached to the biological packing.
9. The deodorization apparatus applied to a sewage plant in the enzyme preparation industry according to claim 7, wherein the liquid storage layers in the first washing tower, the second washing tower and the third washing tower are respectively communicated with the spray layer, so that the spray liquid falling into the liquid storage layers can be recycled into the spray layer.
10. The deodorization apparatus applied to a sewage plant in the enzymology industry according to any one of claims 7 to 9, wherein the deodorization apparatus further comprises a monitoring system, and the monitoring system comprises a pH value detection part arranged in a liquid storage layer in the first washing tower and the second washing tower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021116892.9U CN213790878U (en) | 2020-06-16 | 2020-06-16 | Be applied to deodorizing device of enzyme preparation trade sewage factory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021116892.9U CN213790878U (en) | 2020-06-16 | 2020-06-16 | Be applied to deodorizing device of enzyme preparation trade sewage factory |
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| CN213790878U true CN213790878U (en) | 2021-07-27 |
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Address after: 200120 1st floor, No.8 Lane 676, Wuxing Road, Pudong New Area, Shanghai Patentee after: Xiyuan environmental protection (Shanghai) Co.,Ltd. Address before: 200120 1st floor, No.8 Lane 676, Wuxing Road, Pudong New Area, Shanghai Patentee before: NISHIHARA ENVIRONMENT ENGINEERING (SHANGHAI) Co.,Ltd. |
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Address after: 201204 first floor, No. 30, Lane 676, Wuxing Road, Pudong New Area, Shanghai Patentee after: Xiyuan environmental protection (Shanghai) Co.,Ltd. Address before: 200120 1st floor, No.8 Lane 676, Wuxing Road, Pudong New Area, Shanghai Patentee before: Xiyuan environmental protection (Shanghai) Co.,Ltd. |
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