CN217725129U - Waste gas treatment system - Google Patents
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- CN217725129U CN217725129U CN202221378103.8U CN202221378103U CN217725129U CN 217725129 U CN217725129 U CN 217725129U CN 202221378103 U CN202221378103 U CN 202221378103U CN 217725129 U CN217725129 U CN 217725129U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 78
- 239000007789 gas Substances 0.000 claims abstract description 77
- 239000000126 substance Substances 0.000 claims abstract description 71
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000005406 washing Methods 0.000 claims abstract description 64
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 55
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 238000005201 scrubbing Methods 0.000 claims abstract description 18
- 239000002906 medical waste Substances 0.000 claims abstract description 17
- 230000000249 desinfective effect Effects 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 10
- 230000001954 sterilising effect Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 244000052769 pathogen Species 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 4
- 230000001717 pathogenic effect Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005507 spraying Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000009390 chemical decontamination Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- 150000003384 small molecules Chemical class 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Abstract
The utility model discloses a waste gas treatment system for handle the produced waste gas of medical waste steam disinfecting equipment, this waste gas treatment system includes the exhaust-gas treatment module, and the exhaust-gas treatment module includes: a chemical washing unit, a chemical disinfection unit and an activated carbon adsorption unit; wherein, chemistry washing unit, chemical disinfection unit and active carbon adsorption unit set gradually along the waste gas flow direction, and chemistry washing unit is arranged in absorbing the acid gas in the waste gas, and chemistry disinfection unit is arranged in disinfecting waste gas, and active carbon adsorption unit is arranged in adsorbing the organic matter in the waste gas. Above-mentioned exhaust treatment system absorbs the acid gas in the waste gas through chemical scrubbing unit, disinfects waste gas through chemical disinfection unit, adsorbs the organic matter that persists in the waste gas through the active carbon adsorption unit, effectively reduces the risk of being infected by harmful pathogen.
Description
Technical Field
The utility model relates to a medical waste treatment technical field, more specifically say, relate to a waste gas treatment system.
Background
Pathogenic microorganisms are often present in medical waste and need to be killed or eliminated in order to eliminate the potential risk of infection.
The medical waste disinfection treatment technology mainly comprises high-temperature steam disinfection, chemical disinfection, microwave disinfection, high-temperature dry heat disinfection and the like. Among them, the high-temperature steam sterilization process of medical wastes generates exhaust gas containing certain harmful bacteria and viruses. Therefore, the exhaust gas needs to be treated.
At present, the existing waste gas treatment technology mainly adopts a filtering mode to filter toxic and harmful bacteria and viruses, and filtering equipment only has a filtering effect on pathogenic microorganisms, but does not perform disinfection treatment, so that a larger infection risk exists.
In view of the above, how to treat exhaust gas to reduce the risk of infection by harmful pathogens is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an exhaust-gas treatment system has realized carrying out disinfection to the waste gas to reduce the risk of being infected by harmful pathogen.
In order to achieve the above object, the utility model provides a following technical scheme:
an exhaust treatment system for treating exhaust generated by a medical waste steam sterilization device, the exhaust treatment system comprising an exhaust treatment module, the exhaust treatment module comprising: a chemical washing unit, a chemical disinfection unit and an activated carbon adsorption unit;
the chemical washing unit, the chemical disinfection unit and the activated carbon adsorption unit are sequentially arranged along the flow direction of the waste gas, the chemical washing unit is used for absorbing acid gas in the waste gas, the chemical disinfection unit is used for disinfecting the waste gas, and the activated carbon adsorption unit is used for adsorbing organic matters in the waste gas;
the chemical washing unit is used for absorbing acid gas in the waste gas by adopting NaOH solution, and/or the chemical disinfection unit is used for disinfecting the waste gas by adopting sodium hypochlorite solution.
Optionally, the chemical scrubbing unit is a scrubber, and/or the chemical disinfecting unit is a scrubber.
Optionally, the chemical scrubbing unit and the chemical disinfecting unit are each a counter-flow packed scrubber tower having a gas inlet at a bottom end thereof, a gas outlet at a top end thereof, and a scrubbing liquid inlet between the gas outlet and the gas inlet.
Optionally, the waste gas treatment module further comprises a demister, the demister is used for absorbing water vapor in the waste gas, and the chemical disinfection unit, the demister and the activated carbon adsorption unit are sequentially arranged along the flow direction of the waste gas.
Optionally, the activated carbon adsorption unit comprises a catalystThe specific surface area of the active carbon is 800-1500 m 2 /g。
Optionally, the waste gas treatment system further comprises a waste gas collecting module, wherein the waste gas collecting module comprises a collecting cover, a conveying pipeline, a fan and a control valve, the collecting cover is used for collecting the waste gas generated by the medical waste steam sterilizing equipment, the conveying pipeline is used for conveying the waste gas collected by the collecting cover to the chemical washing unit, the control valve is used for controlling the on-off of the conveying pipeline, and the fan is arranged on the conveying pipeline.
Optionally, the number of the collection covers is at least two, the conveying pipeline comprises a conveying main pipe and conveying branch pipes, the conveying branch pipes are communicated with the collection covers and the conveying main pipe, the conveying branch pipes are in one-to-one correspondence with the collection covers, the conveying main pipe is communicated with the chemical scrubbing unit, and the collection covers are used for collecting waste gas at different positions.
Optionally, it has material loading district, high temperature steam sterilization cabinet, breaker, freezer, cleaning machine and pond to handle medical waste steam disinfecting equipment, at least one collect the cover and be used for setting up the top in material loading district, at least one collect the cover and be used for setting up the feed inlet top of high temperature steam sterilization cabinet, at least one collect the cover and be used for setting up the discharge gate top of high temperature steam sterilization cabinet, at least one collect the cover and be used for setting up the top of breaker, at least one collect the cover and be used for setting up the top of the temporary storage district of freezer, at least one collect the cover and be used for setting up the top of the extraction opening of cleaning machine, at least one collect the cover and be used for setting up the top of the extraction opening of pond.
Optionally, the exhaust treatment system further comprises an emissions module comprising: the chimney is communicated with the active carbon adsorption unit and a discharge pipeline of the chimney, and the induced draft fan is arranged on the discharge pipeline; wherein, the air volume of draught fan is adjustable.
The utility model provides a waste gas treatment system for handle the produced waste gas of medical waste steam disinfection equipment, specifically, absorb the acid gas in the waste gas through chemical washing unit, disinfect waste gas through chemical disinfection unit, adsorb the organic matter that persists in the waste gas through the active carbon adsorption unit, compare than prior art, effectively reduce the risk of being infected by harmful pathogen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an exhaust treatment system according to an embodiment of the present invention;
fig. 2 is a partial schematic view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides an exhaust-gas treatment system is used for handling the produced waste gas of medical waste steam disinfecting equipment. The waste gas mainly comprises discharge waste gas, temporary storage refrigeration house waste gas, high-temperature steam sterilization production line waste gas (feeding waste gas, high-temperature steam sterilization waste gas and discharging waste gas), broken waste gas, waste gas generated by vehicle and turnover box sterilization and cleaning, waste gas of a sewage station and non-point source waste gas of the internal space of a workshop.
Specifically, the above-described exhaust treatment system includes an exhaust treatment module 200, and the exhaust treatment module 200 includes: a chemical washing unit 210, a chemical sterilizing unit 220, and an activated carbon adsorption unit 230.
The chemical washing unit 210, the chemical disinfection unit 220 and the activated carbon adsorption unit 230 are sequentially arranged along the flow direction of the waste gas, the chemical washing unit 210 is used for absorbing acid gas in the waste gas, the chemical disinfection unit 220 is used for disinfecting the waste gas, and the activated carbon adsorption unit 230 is used for adsorbing organic matters in the waste gas.
Specifically, the chemical scrubbing unit 210 is used to absorb acid gases in the exhaust gas using an alkaline scrubbing solution. The alkaline washing solution may be a NaOH solution, and the concentration of the NaOH solution is selected according to actual needs, for example, the concentration of the NaOH solution is 30%, which is not limited in this embodiment. In practical applications, the alkaline washing solution may be other solutions, which is not limited in this embodiment.
The chemical scrubbing unit 210 can remove H in the exhaust gas 2 S、NH 3 And the like acidic inorganic gases.
Above-mentioned chemical disinfection unit 220 is used for adopting chemical disinfection solution to disinfect waste gas, eliminates acidic organic gas and particulate matter in the waste gas, and this chemical disinfection solution can be sodium hypochlorite solution, to the concentration of sodium hypochlorite solution, selects according to actual need, for example the concentration of sodium hypochlorite solution is 10%, and this embodiment does not limit to this. In practical applications, the chemical disinfection solution may be other solutions, which is not limited in this embodiment.
After the exhaust gas is treated by the chemical washing unit 210 and the chemical sterilizing unit 220, small-molecule pollutants, which are not completely treated, may escape, and thus the activated carbon adsorption unit 230 is connected thereto. The organic malodorous components are further removed by the activated carbon adsorption unit 230, and the exhaust gas is purified.
The activated carbon adsorption unit 230 is used to adsorb organic substances in the exhaust gas by using activated carbon, and the activated carbon adsorption unit 230 adsorbs organic substances such as toluene, xylene, styrene, acetone, and the like in the exhaust gas.
The waste gas treatment system that above-mentioned embodiment provided absorbs the acid gas in the waste gas through chemical scrubbing unit 210, disinfects the waste gas through chemical disinfection unit 220, adsorbs the organic matter that persists in the waste gas through active carbon adsorption unit 230, compares with prior art, effectively reduces the risk of being infected by harmful pathogen.
The specific structure of the chemical washing unit 210 is selected according to actual needs. Alternatively, the chemical scrubbing unit 210 is a scrubber. Specifically, the chemical scrubbing unit 210 is a counter-current packed scrubber. Of course, the chemical washing unit 210 may be of other structures, which is not limited in this embodiment.
The specific structure of the chemical sterilizing unit 220 is selected according to actual needs. Optionally, the chemical decontamination unit 220 is a scrubber. Specifically, the chemical decontamination unit 220 is a counter-current packed scrubber tower. Of course, the chemical sterilizing unit 220 may be of other structures, which is not limited in this embodiment.
The bottom end of the countercurrent filling type washing tower is provided with a gas inlet, the top end of the countercurrent filling type washing tower is provided with a gas outlet, and the countercurrent filling type washing tower is provided with a washing liquid inlet which is positioned between the gas outlet and the gas inlet. The washing liquid inlet can be one or more than two.
In the counter-current packed scrubber, the flow directions of the scrubbing liquid and the gas are opposite. The countercurrent filling type washing tower is filled with filling materials.
The countercurrent filling type washing tower is provided with a spraying device which is used for spraying washing liquid. Therefore, the atomizing nozzle of the spraying device can atomize the washing liquid to form a liquid film on the surface of the filler, and the waste gas is contacted with the liquid film to form a mass transfer process in the process that the waste gas passes through the filler. After hydrogen sulfide molecules and dust particles in the waste gas are collided, intercepted, retarded and condensed by a liquid film, the hydrogen sulfide molecules and the dust particles are adsorbed, trapped and absorbed to generate a series of chemical reactions and physical reactions, finally soluble salt is generated, the odor is removed, and the waste gas is effectively purified.
In order to improve the washing effect, the filling materials are at least two layers along the vertical direction, the spraying devices are at least two layers, and the spraying device on each layer is positioned on the top of at least one layer of filling materials.
And respectively flowing the washed solution to a circulation box at the bottom of the countercurrent filling type washing tower, and supplementing fresh washing liquid in the circulation box for recycling.
Specifically, the chemical washing unit 210 is a first counter-current packed washing tower, the chemical sterilizing unit 220 is a second counter-current packed washing tower, and both the first counter-current packed washing tower and the second counter-current packed washing tower are counter-current packed washing towers.
The first countercurrent packed washing tower is provided with a first gas inlet 211, the top end of the first countercurrent packed washing tower is provided with a first gas outlet 212, the first countercurrent packed washing tower is provided with a first washing liquid inlet 213, the first washing liquid inlet 213 is positioned between the first gas outlet 211 and the first gas inlet 212, the first countercurrent packed washing tower is filled with a first filler 214, and a first spraying device 215 is arranged in the first countercurrent packed washing tower. Specifically, the first packing 214 is three layers in the vertical direction, the first showering device 215 is two layers in the vertical direction, one layer of the first showering device 215 is located at the bottom of the first packing 214 in the highest layer, and the other layer of the first showering device 215 is located at the top of the first packing 214 in the lowest layer and at the bottom of the first packing 214 in the middle layer.
The second countercurrent packed washing tower is provided with a second gas inlet 221, the top end of the second countercurrent packed washing tower is provided with a second gas outlet 222, the second countercurrent packed washing tower is provided with a second washing liquid inlet 223, the second washing liquid inlet 223 is positioned between the second gas outlet 221 and the second gas inlet 222, the second countercurrent packed washing tower is filled with a second packing 224, and a second spraying device 225 is arranged in the second countercurrent packed washing tower. Specifically, the second packing 224 is three layers in the vertical direction, the second shower device 225 is two layers in the vertical direction, the second shower device 225 of one layer is located at the bottom of the second packing 224 of the highest layer, and the second shower device 225 of the other layer is located at the top of the second packing 224 of the lowest layer and at the bottom of the second packing 224 of the middle layer.
In the waste gas treatment system, waste gas passes through the countercurrent filling type washing tower and is treated in a gas-liquid reverse absorption mode, namely liquid is sprayed downwards from the top of the tower in a mist shape (or small water drops), and the waste gas flows upwards (in a reverse flow) from the bottom of the tower, so that the purpose of full contact of gas and liquid is achieved. This treatment cools the exhaust, conditions the gas, and removes particulates.
The above-mentioned exhaust gas treatment module 200 further comprises a first washing liquid adding device 240 and a second washing liquid adding device 250, specifically, the first washing liquid adding device 240 is used for adding alkaline washing liquid to the chemical washing unit 210, and the second washing liquid adding device 250 is used for adding chemical disinfection solution to the chemical disinfection unit 220. At this time, the first washing liquid adding means 240 communicates with the corresponding circulation tank, and the second washing liquid adding means 250 communicates with the corresponding circulation tank.
In order to improve the adsorption effect of the activated carbon adsorption unit 230, the exhaust gas treatment module 200 further includes a demister for absorbing water vapor in the exhaust gas, and the chemical sterilization unit 220, the demister, and the activated carbon adsorption unit 230 are sequentially disposed along the flow direction of the exhaust gas. In this way, the water vapor in the exhaust gas is prevented from entering the activated carbon adsorption unit 230, thereby improving the adsorption effect.
The activated carbon adsorption unit 230 includes activated carbon, and optionally, the activated carbon has a specific surface area of 800 to 1500m 2 (ii) in terms of/g. Of course, the specific surface area of the activated carbon may be selected to be other values, which is not limited in this embodiment.
In order to facilitate the treatment of the exhaust gas, the exhaust gas treatment system further comprises an exhaust gas collection module 100, wherein the exhaust gas collection module 100 is used for collecting and treating the exhaust gas generated by the medical waste steam sterilization device. Specifically, the waste gas collection module 100 comprises a collection cover 110, a conveying pipeline, a fan and a control valve 140, wherein the collection cover 110 is used for collecting and treating waste gas generated by the medical waste steam sterilization equipment, the conveying pipeline is used for conveying the waste gas collected by the collection cover 110 to the chemical washing unit 210, the control valve 140 is used for controlling the on-off of the conveying pipeline, and the fan is arranged on the conveying pipeline.
The type of the control valve 140 is selected according to actual needs, for example, the control valve 140 is an air valve, which is not limited in this embodiment.
The number and type of the collecting hoods 110 are selected according to actual needs. In order to collect more exhaust gas, at least two collecting hoods 110 can be selected, the conveying pipeline comprises a conveying main pipe 130 and conveying branch pipes 120, the conveying branch pipes 120 are communicated with the collecting hoods 110 and the conveying main pipe 130, the conveying branch pipes 120 correspond to the collecting hoods 110 one by one, the conveying branch pipes 130 are communicated with the chemical scrubbing unit 210, and at least two collecting hoods 110 are used for collecting the exhaust gas at different positions.
Each delivery branch 120 is provided with the above-mentioned control valve 140, and the fan is provided to the delivery header 130.
In the above-mentioned waste gas collection module 100, collect the waste gas of two at least different positions departments, through rational arrangement, can effectively improve waste gas collection effect to improve the exhaust-gas treatment effect.
The collecting cover 110 is distributed on the top of the position where the exhaust gas can be generated. Specifically, the steam sterilization equipment for processing the medical waste comprises a feeding area, a high-temperature steam sterilization cabinet and a crusher, wherein at least one collection cover 110 is arranged at the top of the feeding area, at least one collection cover 110 is arranged at the top of a feeding hole of the high-temperature steam sterilization cabinet, at least one collection cover 110 is arranged at the top of a discharging hole of the high-temperature steam sterilization cabinet, and at least one collection cover 110 is arranged at the top of the crusher.
Specifically, the medical waste steam sterilizing device comprises a refrigeration house, a cleaning machine and a water pool, wherein at least one collecting cover 110 is arranged at the top of a temporary storage area of the refrigeration house, at least one collecting cover 110 is arranged at the top of an air suction opening of the cleaning machine, and at least one collecting cover 110 is arranged at the top of an air suction opening of the water pool.
As shown in fig. 1, the number of the collection covers 110 is seven, and the seven collection covers 110 are sequentially arranged on the top of the feeding area, the top of the feeding hole of the high-temperature steam sterilization cabinet, the top of the discharging hole of the high-temperature steam sterilization cabinet, the top of the crusher, the top of the temporary storage area of the refrigeration storage, the top of the air suction hole of the cleaning machine and the top of the air suction hole of the water pool from left to right.
In order to collect the exhaust gas, the collecting cover 110 is a semi-closed structure, that is, the bottom end of the collecting cover 110 is provided with an air inlet, the top end and the side of the collecting cover 110 are closed, and the top of the collecting cover 110 is provided with an air outlet, which is communicated with the chemical washing unit 210. Thus, the waste gas is prevented from overflowing, and the collecting effect is improved.
The size of the collecting hood 110 is designed according to actual needs, and this embodiment is not limited to this.
In order to facilitate the exhaust gas discharge, the exhaust gas treatment system further includes a discharge module 300, and the discharge module 300 is used for discharging the gas discharged from the exhaust gas treatment module 200.
Specifically, the above exhaust module includes: a chimney 330, an exhaust pipe 310 communicating the activated carbon adsorption unit 230 and the chimney 330, and an induced draft fan 320 disposed in the exhaust pipe 310. Under the action of the induced draft fan 230, the waste gas passing through the chimney 330 meets the requirement of standard emission at high altitude of 15m or above.
In order to adjust the air volume according to actual conditions, the air volume of the induced draft fan 320 is adjustable. Therefore, the air quantity of the induced draft fan 320 is adjusted according to actual operation requirements, and energy conservation and consumption reduction are realized.
Specifically, the induced draft fan 320 is provided with a frequency converter, and the air quantity of the induced draft fan 320 can be subjected to frequency conversion adjustment according to actual conditions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An exhaust treatment system for treating exhaust generated by a medical waste steam sterilization device, comprising an exhaust treatment module, the exhaust treatment module comprising: a chemical washing unit, a chemical disinfection unit and an activated carbon adsorption unit;
the chemical washing unit, the chemical disinfection unit and the activated carbon adsorption unit are sequentially arranged along the flow direction of the waste gas, the chemical washing unit is used for absorbing acid gas in the waste gas, the chemical disinfection unit is used for disinfecting the waste gas, and the activated carbon adsorption unit is used for adsorbing organic matters in the waste gas;
the chemical washing unit is used for absorbing acid gas in the waste gas by adopting NaOH solution, and/or the chemical disinfection unit is used for disinfecting the waste gas by adopting sodium hypochlorite solution.
2. The exhaust treatment system of claim 1, wherein the chemical scrubbing unit is a scrubber tower and/or the chemical disinfecting unit is a scrubber tower.
3. The exhaust treatment system of claim 2, wherein the chemical scrubbing unit and the chemical disinfecting unit are each a counter-flow packed scrubber tower having a gas inlet at a bottom end thereof and a gas outlet at a top end thereof, the counter-flow packed scrubber tower having a scrubbing liquid inlet between the gas outlet and the gas inlet.
4. The exhaust gas treatment system of claim 1, wherein the exhaust gas treatment module further comprises a demister for absorbing water vapor in the exhaust gas, and the chemical disinfection unit, the demister, and the activated carbon adsorption unit are arranged in the flow direction of the exhaust gas in this order.
5. The exhaust gas treatment system according to claim 1, wherein the activated carbon adsorption unit comprises activated carbon having a specific surface area of 800 to 1500m 2 /g。
6. The exhaust gas treatment system of claim 1, further comprising an exhaust gas collection module, wherein the exhaust gas collection module comprises a collection hood, a delivery pipe, a fan and a control valve, wherein the collection hood is used for collecting the exhaust gas generated by the medical waste steam sterilization device, the delivery pipe is used for delivering the exhaust gas collected by the collection hood to the chemical scrubbing unit, the control valve is used for controlling the on-off of the delivery pipe, and the fan is arranged on the delivery pipe.
7. The exhaust treatment system of claim 6, wherein the number of the collection hoods is at least two, the delivery conduit comprises a delivery manifold and delivery branches, the delivery branches communicate with the collection hoods and the delivery manifold, the delivery branches and the collection hoods correspond one-to-one, the delivery manifold communicates with the chemical scrubbing unit, and at least two of the collection hoods are used for collecting the exhaust at different positions.
8. The exhaust gas treatment system of claim 7, wherein the steam sterilization equipment for treating medical waste comprises a feeding area, a high-temperature steam sterilization cabinet, a crusher, a cold storage, a cleaning machine and a water pool, wherein at least one collecting cover is arranged at the top of the feeding area, at least one collecting cover is arranged at the top of a feeding port of the high-temperature steam sterilization cabinet, at least one collecting cover is arranged at the top of a discharging port of the high-temperature steam sterilization cabinet, at least one collecting cover is arranged at the top of the crusher, at least one collecting cover is arranged at the top of a temporary storage area of the cold storage, at least one collecting cover is arranged at the top of an air suction port of the cleaning machine, and at least one collecting cover is arranged at the top of an air suction port of the water pool.
9. The exhaust treatment system of any of claims 1-8, further comprising an emissions module, the emissions module comprising: the chimney is a discharge pipeline which is communicated with the activated carbon adsorption unit and the chimney, and the induced draft fan is arranged on the discharge pipeline; wherein, the air volume of draught fan is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378103.8U CN217725129U (en) | 2022-05-25 | 2022-05-25 | Waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221378103.8U CN217725129U (en) | 2022-05-25 | 2022-05-25 | Waste gas treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN217725129U true CN217725129U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221378103.8U Active CN217725129U (en) | 2022-05-25 | 2022-05-25 | Waste gas treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN217725129U (en) |
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2022
- 2022-05-25 CN CN202221378103.8U patent/CN217725129U/en active Active
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