CN219481979U - Accident exhaust purification treatment device and system - Google Patents
Accident exhaust purification treatment device and system Download PDFInfo
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- CN219481979U CN219481979U CN202320092651.2U CN202320092651U CN219481979U CN 219481979 U CN219481979 U CN 219481979U CN 202320092651 U CN202320092651 U CN 202320092651U CN 219481979 U CN219481979 U CN 219481979U
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Abstract
The utility model provides an accident exhaust purification treatment device and system, the accident exhaust purification treatment device comprises: the purifying treatment box is provided with a cavity, two opposite ends of the purifying treatment box are provided with an air inlet and an air outlet, and the air inlet is used for communicating with waste gas; the filter module is arranged in the cavity close to the air inlet, the adsorption assembly is arranged between the filter module and the air outlet, and the adsorption assembly comprises at least two of a first adsorption module, a second adsorption module, a third adsorption module and a fourth adsorption module; the first adsorption module is used for adsorbing toxic waste gas; the second adsorption module is used for adsorbing low-boiling organic waste gas; the third adsorption module is used for adsorbing acid waste gas, and the fourth adsorption module is used for adsorbing alkaline waste gas. The utility model integrates multi-component multi-property waste gas treatment into a set of accident exhaust purification treatment device for centralized treatment, has high removal efficiency, energy conservation and environmental protection, reduces engineering quantity and occupied area, and has low cost.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to an accident exhaust purification treatment device and system.
Background
A large amount of special gases are used in the semiconductor manufacturing process, and a large amount of toxic, inflammable and explosive dangerous gases are suddenly generated due to operation accidents, equipment faults or gas volatilization leakage. In the factory waste gas treatment area, an accident exhaust treatment system is required to prevent injury to staff and further expansion of accidents. The toxic and harmful accident exhaust system is preferably discharged up to standard in a dilution mode by referring to GB 51401-2019 engineering design Standard for treating electronic industrial waste gas, but in recent years, the requirements for waste gas discharge are more and more stringent, dilution treatment is eliminated gradually, and treatment modes such as adsorption, washing, incineration, cooling and the like are adopted.
The accident exhaust gas is various in kind and includes acid gas, alkaline gas, toxic gas, corrosive gas, combustible gas, etc. Different methods are adopted for parameters such as physical and chemical properties, concentration and the like of the waste gas, such as: for the highly toxic gases such as arsine, phosphane and the like, water washing or dry adsorption treatment is adopted; for Cl 2 Acid gases such as HF and the like are treated by water washing or alkali washing; for SiH 4 、SiH 2 Cl 2 And flammable gas, and adopts combustion treatment.
The common treatment method for accident exhaust is to collect different waste gases in a classified way and discharge the waste gases into a specific treatment system, and the separate collection and treatment processes are low in efficiency and relatively high in investment cost for multi-component waste gases.
Disclosure of Invention
The utility model provides an accident exhaust purification treatment device and system, which are used for solving the problems that in the prior art, different exhaust gases are collected in a classified mode by an exhaust gas treatment device and discharged into a specific treatment system, and a process of separate collection and separate treatment is adopted, so that the efficiency is low and the cost is high.
The utility model provides an accident exhaust purification treatment device, comprising: the purifying treatment box is provided with a cavity, two opposite ends of the purifying treatment box are provided with an air inlet and an air outlet, and the air inlet is used for communicating with waste gas; the filter module is arranged in the cavity close to the air inlet, the adsorption assembly is arranged between the filter module and the air outlet, and the adsorption assembly comprises at least two of a first adsorption module, a second adsorption module, a third adsorption module and a fourth adsorption module; wherein the first adsorption module is used for adsorbing toxic waste gas; the second adsorption module is used for adsorbing low-boiling organic waste gas; the third adsorption module is used for adsorbing acid waste gas, and the fourth adsorption module is used for adsorbing alkaline waste gas.
According to the accident exhaust purification treatment device provided by the utility model, the top of the purification treatment box is provided with a plurality of mounting ports, and at least two of the first adsorption module, the second adsorption module, the third adsorption module and the fourth adsorption module are arranged in the cavity through the corresponding mounting ports.
According to the accident exhaust purification treatment device provided by the utility model, the accident exhaust purification treatment device further comprises sealing pieces, and the sealing pieces are arranged between the first adsorption module and the inner wall surface of the purification treatment box, between the second adsorption module and the inner wall surface of the purification treatment box, between the third adsorption module and the inner wall surface of the purification treatment box and between the fourth adsorption module and the inner wall surface of the purification treatment box.
According to the accident exhaust purification treatment device provided by the utility model, the accident exhaust purification treatment device further comprises a pressure gauge, wherein the pressure gauge is arranged between the filter module and the adsorption assembly, between two adjacent adsorption modules and between the adsorption assembly and the air outlet.
According to the accident exhaust purification treatment device provided by the utility model, the top of the first adsorption module is provided with the first nitrogen purging port, the top of the second adsorption module is provided with the second nitrogen purging port, the top of the third adsorption module is provided with the third nitrogen purging port, the fourth adsorption module is provided with the fourth nitrogen purging port, and the first nitrogen purging port, the second nitrogen purging port, the third nitrogen purging port and the fourth nitrogen purging port are all used for being communicated with nitrogen.
According to the accident exhaust purification treatment device provided by the utility model, the side wall surface of the purification treatment box is also provided with an access door.
According to the accident exhaust purification treatment device provided by the utility model, a plurality of access doors are arranged, and the access doors are arranged between the filtering module and the adsorption assembly and between two adjacent adsorption modules.
According to the accident exhaust purification treatment device provided by the utility model, the top of the first adsorption module is provided with the first handle, the top of the second adsorption module is provided with the second handle, the top of the third adsorption module is provided with the third handle, and the fourth adsorption module is provided with the fourth handle.
According to the accident exhaust purification treatment device provided by the utility model, the internal filler of the filter module is active filter cotton.
The utility model also provides an accident exhaust purification treatment system which comprises the accident exhaust purification treatment device.
According to the accident exhaust purification treatment device and system provided by the utility model, the filtering modules are arranged at the air inlet and the air outlet of the exhaust treatment box, the exhaust enters the inner cavity through the air inlet, and particulate matters in the exhaust are filtered through the filtering modules; according to the components in the waste gas, at least two of a first adsorption module, a second adsorption module, a third adsorption module and a fourth adsorption module are arranged between the filtering module and the air outlet, and acidic, alkaline, inflammable and toxic gases in the waste gas are treated and removed in a targeted manner by filling different types of materials, so that multistage adsorption is realized. The utility model integrates multi-component multi-property waste gas treatment into a set of accident exhaust purification treatment device for centralized treatment, has high removal efficiency, energy conservation and environmental protection, reduces engineering quantity and occupied area, and has low cost.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an accident exhaust purification treatment apparatus provided by the present utility model;
FIG. 2 is a front view of the accident exhaust purification treatment device provided by the utility model;
FIG. 3 is a schematic view of a first adsorption module according to the present utility model;
FIG. 4 is an exploded view of a first adsorption module provided by the present utility model;
reference numerals:
100: a purifying treatment box; 110: an air inlet; 120: an air outlet; 200: a filtration module; 310: a first adsorption module; 311: a first nitrogen purge port; 312: a first handle; 313: a first adsorption layer; 320: a second adsorption module; 321: a second nitrogen purge port; 322: a second handle; 330: a third adsorption module; 331: a third nitrogen purge port; 332: a third handle; 340: a fourth adsorption module; 341: a fourth nitrogen purge port; 342: a fourth handle; 410: a first pressure gauge; 420: a second pressure gauge; 430: a third pressure gauge; 440: a fourth pressure gauge; 450: a fifth pressure gauge; 510: a first access door; 520: a second access door; 530: a third access door; 540: and a fourth access door.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes the accident exhaust purification treatment device and system provided by the utility model with reference to fig. 1 to 4.
The utility model provides an accident exhaust purification treatment device which solves the problems of multi-component and multi-property waste gas, and acid, alkali, inflammable and toxic gases in the waste gas are removed by providing a filter component mainly based on a dry adsorption process. The utility model selects different treatment modules for different waste gases.
The utility model provides an accident exhaust purification treatment device, which comprises: the purifying treatment box 100, the filtering module 200 and the adsorption component, wherein the purifying treatment box 100 is provided with a cavity, two opposite ends of the purifying treatment box 100 are provided with an air inlet 110 and an air outlet 120, and the air inlet 110 is used for communicating with waste gas; the filter module 200 is disposed in the cavity near the air inlet 110, and the adsorption assembly is disposed between the filter module 200 and the air outlet 120, and the adsorption assembly includes at least two of a first adsorption module 310, a second adsorption module 320, a third adsorption module 330, and a fourth adsorption module 340; wherein the first adsorption module 310 is used for adsorbing toxic exhaust gas; the second adsorption module 320 is used for adsorbing the low-boiling organic waste gas; the third adsorption module 330 is used for adsorbing acid exhaust gas, and the fourth adsorption module 340 is used for adsorbing alkaline exhaust gas.
Referring to fig. 1, the purifying treatment tank 100 has a cavity therein, and two opposite ends thereof have an air inlet 110 and an air outlet 120, the air inlet 110 and the air outlet 120 are respectively communicated with the cavity, the air inlet 110 is communicated with the exhaust gas, the exhaust gas enters the purifying treatment tank 100 through the air inlet 110 for treatment, and the acid, alkali, inflammable and toxic gases in the exhaust gas are removed and then discharged through the air outlet 120, thereby realizing the purification of the exhaust gas.
The accident exhaust purification treatment device further comprises a filtering module 200 and an adsorption component, wherein the filtering module 200 and the adsorption component are sequentially arranged in the cavity, waste gas enters the inner cavity through the air inlet 110, particulate matters in the waste gas are filtered through the filtering module 200, and the filtered waste gas enters the adsorption component to adsorb acid gas, alkaline gas, inflammable gas, toxic gas and the like in the waste gas.
Specifically, the filter module 200 is disposed near the air inlet 110, and particulate matters in the exhaust gas can be removed by the exhaust gas entering the cavity, so as to avoid the particulate matters in the exhaust gas entering the cavity and affecting the purifying effect.
The exhaust gas includes acid exhaust gas, toxic exhaust gas, low boiling point organic exhaust gas, and alkaline exhaust gas, and the adsorption assembly includes a first adsorption module 310, a second adsorption module 320, a third adsorption module 330, and a fourth adsorption module 340, where the first adsorption module 310, the second adsorption module 320, the third adsorption module 330, and the fourth adsorption module 340 are sequentially disposed in the inner cavity of the purification treatment tank 100 and between the filtration module 200 and the air outlet 120.
The exhaust gas passes through the filtering module 200 to remove particulate matters in the exhaust gas, and then enters the adsorption assembly to perform multistage adsorption, wherein toxic exhaust gas such as AsH in the exhaust gas is adsorbed by the first adsorption module 310 3 、PH 3 The method comprises the steps of carrying out a first treatment on the surface of the Adsorption of low boiling organic waste gases, e.g. CH, from the waste gases by the second adsorption module 320 4 、C 2 H 4 、C 3 H 6 Etc.; adsorption of acid exhaust gases, such as H, from the exhaust gases by the third adsorption module 330 2 S、Cl 2 、HF、HCl、BF 3 、SO 2 Etc.; adsorption of alkaline exhaust gases, such as NH, in the exhaust gases by the fourth adsorption module 340 3 Tetramethyl ammonium hydroxide, and the like.
In one embodiment, the exhaust gas contains low boiling point organic gas, acid gas and alkaline gas, and the adsorption assembly includes a second adsorption module 320, a third adsorption module 330 and a fourth adsorption module 340, wherein the third adsorption module 330 is disposed near the filtration module 200, and the second adsorption module 320 and the fourth adsorption module 340 are disposed between the third adsorption module 330 and the air outlet 120.
In another embodiment, the exhaust gas contains only acid gas and alkaline gas, and the adsorption assembly includes a third adsorption module 330 and a fourth adsorption module 340, and the third adsorption module 330 and the fourth adsorption module 340 are sequentially disposed between the filter module 200 and the gas outlet 120.
In another embodiment, the exhaust gas contains a large amount of low boiling point organic exhaust gas and acid gas, and the adsorption assembly includes at least two second adsorption modules 320 and a third adsorption module 330, wherein the third adsorption module 330 and the at least two second adsorption modules 320 are sequentially disposed before the filter module 200 and the air outlet 120, so as to conveniently and quickly remove the low boiling point organic exhaust gas in the exhaust gas.
The adsorption module in the adsorption module is not particularly limited, and the adsorption module in the adsorption module may be adjusted according to the components in the exhaust gas, and may be at least two of the first adsorption module 310, the second adsorption module 320, the third adsorption module 330, and the fourth adsorption module 340.
Further, when the waste gas contains acid gas, the acid gas has strong corrosive gas such as HF and HCl, which can affect the materials and equipment in other adsorption modules, and based on this, the third adsorption module 330 is disposed close to the filtration module 200, and the waste gas filtered by the filtration module 200 can directly enter the third adsorption module 330 for treatment, so as to adsorb the acid waste gas, and avoid the acid waste gas from affecting other adsorption modules.
In addition, the number of the first adsorption module 310, the second adsorption module 320, the third adsorption module 330, and the fourth adsorption module 340 is not particularly limited, and may be set according to the content of the components in the exhaust gas.
According to the accident exhaust purification treatment device provided by the utility model, the filtering modules are arranged at the air inlet and the air outlet of the exhaust treatment box, the exhaust enters the inner cavity through the air inlet, and particulate matters in the exhaust are filtered through the filtering modules; according to the components in the waste gas, at least two of a first adsorption module, a second adsorption module, a third adsorption module and a fourth adsorption module are arranged between the filtering module and the air outlet, acidic, alkaline, inflammable and toxic gases in the waste gas are removed in a targeted mode, and multistage adsorption is achieved. The utility model integrates multi-component multi-property waste gas treatment into a set of accident exhaust purification treatment device for centralized treatment, has high removal efficiency, energy conservation and environmental protection, reduces engineering quantity and occupied area, and has low cost.
Further, different adsorption modules are filled with different adsorption materials, so that acidic waste gas, alkaline waste gas, toxic waste gas and low-boiling-point organic waste gas are treated pertinently, the adsorption efficiency is high, the selectivity is high, and the replacement and the unloading are convenient according to different waste gases.
The packing of the first adsorption module 310 is used for filtering AsH 3 、PH 3 And purifying materials for toxic gases, referring to fig. 3 and 4, the first adsorption module 310 includes a first frame and a first adsorption layer 313, the first adsorption layer 313 being provided at opposite sides of the frame, one side being adjacent to the gas inlet 110,one side is adjacent to the air outlet 120, and the purification material is disposed between the two first adsorption layers 313.
The preparation process of the material is described below, step 100, 50-80% of alumina microspheres and 60-80% of saturated copper nitrate solution are stirred and impregnated uniformly, and dried for 5-7 hours at 50-70 ℃ to obtain a mixture; step 200, preparing an aqueous solution of an alkali solution with the concentration of 0.5-1.5mol/L, uniformly stirring, immersing the obtained mixture in the alkali solution for 3-5h, and drying at the temperature of 50-70 ℃ for 3-5h to obtain the toxic gas purifying material A. Wherein, the alkali solution can be sodium hydroxide solution or potassium hydroxide solution; the alumina microsphere carrier can be replaced by zeolite molecular sieve, activated carbon particles diatomite and attapulgite.
The packing of the second adsorption module 320 is used for filtering CH 4 、C 2 H 4 、C 3 H 6 And purifying materials of organic waste gas with low boiling point. The second adsorption module 320 includes a second frame and second adsorption layers disposed on opposite sides of the frame, wherein one side is adjacent to the air inlet 110 and one side is adjacent to the air outlet 120, and the purification material is disposed between the two second adsorption layers.
The process of preparing the material is described below, step 100, washing the alumina microspheres with absolute ethanol; step 200, preparing 5-20mol/L potassium permanganate solution, wherein the doping amount of the potassium permanganate solution is 30-80%, immersing the treated aluminum oxide microspheres in the solution for 4-5h, and drying for 5-7h at 60-80 ℃ to obtain a purifying material B of flammable gas; wherein the alumina microsphere carrier is replaced by zeolite molecular sieve, diatomite and attapulgite; the potassium permanganate solution can be replaced by a sodium ferrate solution, a potassium ferrate solution and a sodium permanganate solution.
The packing of the third adsorption module 330 is used for removing H 2 S、Cl 2 、HF、HCl、BF 3 、SO 2 And acid gas purifying materials. The third adsorption module 330 includes a third frame and a third adsorption layer, wherein the third adsorption layer is disposed on two opposite sides of the frame, one side of the third adsorption layer is close to the air inlet 110, one side of the third adsorption layer is close to the air outlet 120, and the purification material is disposed between the two third adsorption layers.
The preparation process of the material is described below, step 100, 10-20% of alumina micropowder, 60-80% of calcium hydroxide and 5-20% of sodium hydroxide are uniformly mixed; step 200, dropwise adding water into the mixture, continuously stirring to form soft solid, putting into a strip extruder for molding, drying at 60 ℃ for 5-7h, and roasting at 200 ℃ for 3-5h to obtain an acid gas purifying material C; wherein, the alumina micropowder can be replaced by zeolite molecular sieve, activated carbon powder and diatomite; the sodium hydroxide may be replaced with potassium hydroxide.
The packing of the fourth adsorption module 340 is used for removing NH 3 And alkaline waste gas purifying materials such as tetramethyl ammonium hydroxide. The fourth adsorption module 340 includes a fourth frame and a fourth adsorption layer, the fourth adsorption layer is disposed on two opposite sides of the frame, one side is close to the air inlet 110, one side is close to the air outlet 120, and the purification material is disposed between the fourth adsorption layers.
The process for preparing the material is described below, step 100, the activated alumina microspheres are cleaned with 1-2mol/L nitric acid solution for pretreatment; step 200, preparing 10-40mol/L magnesium chloride solution, mixing 5-30% magnesium salt solution, uniformly stirring, immersing the treated alumina microspheres in the solution for 3-5h, and drying at 80-100 ℃ for 5-7h to obtain an alkaline gas purifying material D; wherein, the magnesium chloride can be replaced by zinc chloride and copper chloride; the nitric acid can be replaced by sulfuric acid and acetic acid; the alumina microsphere can be replaced by zeolite, silica gel, active carbon and graphene oxide.
The filling materials in the different adsorption modules are not particularly limited, and can be added according to specific components in the waste gas, so that toxic, harmful and corrosive gases can be removed efficiently.
Further, on the basis of the above-described embodiment, the top of the purifying treatment tank 100 is provided with a plurality of mounting openings, and at least two of the first adsorption module 310, the second adsorption module 320, the third adsorption module 330 and the fourth adsorption module 340 are disposed in the cavity through the corresponding mounting openings.
The top of purification treatment case 100 is equipped with a plurality of installing ports, and the installing port communicates with the cavity, and the size of installing port and corresponding first adsorption module 310, second adsorption module 320, third adsorption module 330 and fourth adsorption module 340 assorted to make first adsorption module 310, second adsorption module 320, third adsorption module 330 and fourth adsorption module 340 arrange the cavity in through the installing port that corresponds, easy to assemble, dismantle and wash, the user can also change adsorption module according to the composition of waste gas, convenient operation, save time.
In one embodiment, the top of the purifying treatment tank 100 is provided with four mounting ports, namely a first mounting port, a second mounting port, a third mounting port and a fourth mounting port, wherein the size of the first mounting port is matched with that of the first adsorption module 310, and the first adsorption module 310 can be mounted in the cavity through the first mounting port; the second mounting port is sized to match the second adsorption module 320, and the second adsorption module 320 is mountable within the cavity through the second mounting port; the size of the third mounting port is matched with that of the third adsorption module 330, and the third adsorption module 330 can be mounted in the cavity through the third mounting port; the fourth mounting port is sized to match the fourth adsorption module 340, and the fourth adsorption module 340 may be mounted in the cavity through the fourth mounting port.
Further, the first mounting port, the second mounting port, the third mounting port and the fourth mounting port are identical in size, and the first adsorption module 310, the second adsorption module 320, the third adsorption module 330 and the fourth adsorption module 340 are identical in size, so that a user can conveniently adjust the positions and the numbers of the adsorption modules according to the components of the exhaust gas, and the purification efficiency is improved.
The dimensions of the first adsorption module 310, the second adsorption module 320, the third adsorption module 330 and the fourth adsorption module 340 are not particularly limited in this embodiment, and are set according to requirements.
Further, the accident exhaust purification treatment apparatus further includes seals between the first adsorption module 310 and the inner wall surface of the purification treatment tank 100, between the second adsorption module 320 and the inner wall surface of the purification treatment tank 100, between the third adsorption module 330 and the inner wall surface of the purification treatment tank 100, and between the fourth adsorption module 340 and the inner wall surface of the purification treatment tank 100.
According to the utility model, the sealing element is arranged between each adsorption module and the inner wall surface of the purification treatment box 100, so that the sealing connection is realized, and the exhaust gas is prevented from being discharged through a gap between any adsorption module and the purification treatment box 100, so that the environment is prevented from being polluted.
In one embodiment, the seal is a gasket seal.
Further, on the basis of the above embodiment, the accident exhaust purification treatment apparatus further includes pressure gauges, and the pressure gauges are disposed between the filter module 200 and the adsorption module, between two adjacent adsorption modules, and between the adsorption module and the air outlet 120.
Referring to fig. 1 and 2, a filter module 200, a third adsorption module 330, a second adsorption module 320, a first adsorption module 310, and a fourth adsorption module 340 are sequentially disposed between the air inlet 110 and the air outlet 120 in the cavity of the exhaust gas purifying treatment tank 100, and exhaust gas enters the cavity and sequentially passes through the filter module 200, the third adsorption module 330, the second adsorption module 320, the first adsorption module 310, and the fourth adsorption module 340 to be treated, thereby removing acid gas, alkaline gas, flammable gas, and toxic gas in the exhaust gas.
The third adsorption module 330 in this embodiment is disposed near the filtration module 200, and the positions of the first adsorption module 310, the second adsorption module 320 and the fourth adsorption module 340 can be adjusted according to the actual situation, so as to change the exhaust gas treatment sequence.
Further, a first pressure gauge 410 is disposed between the filter module 200 and the third adsorption module 330, and the first pressure gauge 410 is used for acquiring the pressure between the filter module 200 and the third adsorption module 330, i.e. the pressure entering the third adsorption module 330; a second pressure gauge 420 is arranged between the third adsorption module 330 and the second adsorption module 320, and the second pressure gauge 420 is used for acquiring the pressure between the third adsorption module 330 and the second adsorption module 320, namely the pressure entering the second adsorption module 320; a third pressure gauge 430 is disposed between the second adsorption module 320 and the first adsorption module 310, and the third pressure gauge 430 is configured to obtain the pressure between the second adsorption module 320 and the first adsorption module 310, i.e. the pressure entering the first adsorption module 310; a fourth pressure gauge 440 is disposed between the first adsorption module 310 and the fourth adsorption module 340, and is configured to obtain a pressure between the first adsorption module 310 and the fourth adsorption module 340, i.e. a pressure entering the fourth adsorption module 340; a fifth pressure gauge 450 is disposed between the fourth adsorption module 340 and the gas outlet 120, and the fifth pressure gauge 450 is used for acquiring the pressure between the fourth adsorption module 340 and the gas outlet 120, i.e. the pressure of the purified gas discharged from the gas outlet 120.
Further, the top of the first adsorption module 310 is provided with a first nitrogen purging port 311, the top of the second adsorption module 320 is provided with a second nitrogen purging port 321, the top of the third adsorption module 330 is provided with a third nitrogen purging port 331, the fourth adsorption module 340 is provided with a fourth nitrogen purging port 341, and the first nitrogen purging port 311, the second nitrogen purging port 321, the third nitrogen purging port 331 and the fourth nitrogen purging port 341 are all used for communicating with nitrogen.
According to the utility model, the nitrogen purging port is arranged on the corresponding adsorption module, and under the condition that the pressure difference between the first pressure gauge 410 and the second pressure gauge 420 does not meet the requirement, nitrogen is blown into the third adsorption module 330 through the third nitrogen purging port 331; in case that the pressure difference between the second pressure gauge 420 and the third pressure gauge 430 does not meet the requirement, nitrogen is blown into the second adsorption module 320 through the second nitrogen purge port 321; in the case that the pressure difference between the third pressure gauge 430 and the fourth pressure gauge 440 does not meet the requirement, nitrogen is blown into the first adsorption module 310 through the first nitrogen purge port 311; in case the pressure difference between the fourth pressure gauge 440 and the fifth pressure gauge 450 does not meet the requirement, nitrogen gas is blown toward the fourth adsorption module 340.
Further, nitrogen is blown into the corresponding adsorption module through the first nitrogen purging port 311, the second nitrogen purging port 321, the third nitrogen purging port 331 and the fourth nitrogen purging port 341, so that adsorbates on the corresponding adsorption module can be cleaned, the cleanliness of the adsorption module is maintained, and the adsorption effect is improved.
In addition, through first nitrogen gas purge port 311, second nitrogen gas purge port 321, third nitrogen gas purge port 331 and fourth nitrogen gas purge port 341 blow in nitrogen gas towards corresponding adsorption module, can also avoid the temperature in the adsorption module to rise in the reaction process, lead to the fire, and then improve the security.
On the basis of the above embodiment, the side wall surface of the purifying treatment tank 100 provided in this embodiment is further provided with an access door, so that a user can conveniently overhaul or clean the filtering module 200, the first adsorption module 310, the second adsorption module 320, the third adsorption module 330 and the fourth adsorption module 340.
Further, the number of access doors is plural, and access doors are provided between the filter module 200 and the adsorption assembly and between two adjacent adsorption modules.
Referring to fig. 1, the number of access doors is four, namely, a first access door 510, a second access door 520, a third access door 530, and a fourth access door 540, wherein the first access door 510 is disposed between the filter module 200 and the third adsorption module 330, and a user can clean or overhaul the filter module 200 and/or the third adsorption module 330 through the first access door 510; the second access door 520 is disposed between the third adsorption module 330 and the second adsorption module 320, and a user can clean or overhaul the second adsorption module 320 and/or the third adsorption module 330 through the second access door 520; the third access door 530 is disposed between the second adsorption module 320 and the first adsorption module 310, and a user can clean or overhaul the second adsorption module 320 and/or the first adsorption module 310 through the third access door 530; a fourth access door 540 is disposed between the first adsorption module 310 and the fourth adsorption module 340, and a user may clean or service the first adsorption module 310 and/or the fourth adsorption module 340 via the fourth access door 540.
Further, on the basis of the above embodiment, the top of the first adsorption module 310 is provided with the first handle 312, the top of the second adsorption module 320 is provided with the second handle 322, the top of the third adsorption module 330 is provided with the third handle 332, and the fourth adsorption module 340 is provided with the fourth handle 342.
Referring to fig. 3 and 4, a handle is provided on each adsorption module to facilitate taking out the corresponding adsorption module and cleaning or maintaining the adsorption module.
Specifically, two first handles 312 are disposed on two opposite sides of the top of the first adsorption module 310, and a user can take out the first adsorption module 310 through the first handles 312; two second handles 322 are arranged on two opposite sides of the top of the second adsorption module 320, and a user can take out the second adsorption module 320 through the second handles 322; two opposite sides of the top of the third adsorption module 330 are provided with two third handles 332, and a user can take out the third adsorption module 330 through the third handles 332; two fourth handles 342 are disposed on two opposite sides of the top of the fourth adsorption module 340, and a user can take out the fourth adsorption module 340 through the fourth handles 342.
The utility model adopts a modularized integral drawer structure, and is convenient to replace and unload.
On the basis of the above embodiment, the inner packing of the filter module 200 in the present utility model is active filter cotton for filtering particulate matters in exhaust gas.
The utility model provides an accident exhaust purification treatment device, which is characterized in that a filtration module 200 and at least two adsorption modules are arranged in a purification treatment box 100, so that waste gas is subjected to multistage treatment, large-particle dust, toxic and harmful waste gas, low-boiling organic waste gas, acid waste gas and alkaline waste gas are removed, the limitations of the existing water washing process, alkaline washing process, combustion process and the like are overcome, a plurality of sets of treatment devices can be simplified and integrated, the efficiency and the selectivity of filtration adsorption materials are high, the adsorption effect and efficiency are improved, the air distribution is uniform, and the device is energy-saving and environment-friendly.
The utility model also provides an accident exhaust purification treatment system which comprises the accident exhaust purification treatment device in any embodiment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. An accident exhaust purification treatment device, characterized by comprising: the purifying treatment box is provided with a cavity, two opposite ends of the purifying treatment box are provided with an air inlet and an air outlet, and the air inlet is used for communicating with waste gas;
the filter module is arranged in the cavity close to the air inlet, the adsorption assembly is arranged between the filter module and the air outlet, and the adsorption assembly comprises at least two of a first adsorption module, a second adsorption module, a third adsorption module and a fourth adsorption module;
wherein the first adsorption module is used for adsorbing toxic waste gas; the second adsorption module is used for adsorbing low-boiling organic waste gas; the third adsorption module is used for adsorbing acid waste gas, and the fourth adsorption module is used for adsorbing alkaline waste gas;
the accident exhaust purification treatment device further comprises a sealing piece, wherein the sealing piece is arranged between the first adsorption module and the inner wall surface of the purification treatment box, between the second adsorption module and the inner wall surface of the purification treatment box, between the third adsorption module and the inner wall surface of the purification treatment box and between the fourth adsorption module and the inner wall surface of the purification treatment box.
2. The device for purifying exhaust air from an accident according to claim 1, wherein a plurality of mounting openings are provided at the top of the purifying treatment tank, and at least two of the first adsorption module, the second adsorption module, the third adsorption module, and the fourth adsorption module are provided in the chamber through the corresponding mounting openings.
3. The device according to claim 1, further comprising a pressure gauge, wherein the pressure gauge is disposed between the filter module and the adsorption module, between two adjacent adsorption modules, and between the adsorption module and the air outlet.
4. The accident exhaust purification treatment device according to claim 3, wherein the top of the first adsorption module is provided with a first nitrogen purge port, the top of the second adsorption module is provided with a second nitrogen purge port, the top of the third adsorption module is provided with a third nitrogen purge port, the fourth adsorption module is provided with a fourth nitrogen purge port, and the first nitrogen purge port, the second nitrogen purge port, the third nitrogen purge port and the fourth nitrogen purge port are all used for communicating with nitrogen.
5. The apparatus according to claim 1, wherein the side wall surface of the purifying treatment tank is further provided with an access door.
6. The apparatus according to claim 5, wherein a plurality of access doors are provided, and the access doors are provided between the filter module and the adsorption module and between two adjacent adsorption modules.
7. The apparatus according to claim 3, wherein the first adsorption module has a first handle at a top thereof, the second adsorption module has a second handle at a top thereof, the third adsorption module has a third handle at a top thereof, and the fourth adsorption module has a fourth handle.
8. The device of claim 1, wherein the internal filler of the filter module is active filter cotton.
9. An accident exhaust purification system comprising the accident exhaust purification apparatus according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320092651.2U CN219481979U (en) | 2023-01-31 | 2023-01-31 | Accident exhaust purification treatment device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320092651.2U CN219481979U (en) | 2023-01-31 | 2023-01-31 | Accident exhaust purification treatment device and system |
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| CN219481979U true CN219481979U (en) | 2023-08-08 |
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| CN202320092651.2U Active CN219481979U (en) | 2023-01-31 | 2023-01-31 | Accident exhaust purification treatment device and system |
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