CN217910240U - Automatic medicine adding device - Google Patents
Automatic medicine adding device Download PDFInfo
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- CN217910240U CN217910240U CN202222219581.0U CN202222219581U CN217910240U CN 217910240 U CN217910240 U CN 217910240U CN 202222219581 U CN202222219581 U CN 202222219581U CN 217910240 U CN217910240 U CN 217910240U
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Abstract
The application provides an automatic reagent feeding device, include: the one end of charge device body, charge device body is provided with the inlet, and the other end of charge device body is provided with the liquid outlet, and one side that the top of charge device body is close to the inlet is provided with the medicine mouth, and the inside of charge device body is located and still is provided with the suction chamber under the medicine mouth, suction chamber and inlet and medicine mouth intercommunication, and the suction chamber communicates gradually convergent section, larynx section and diffuser segment along the liquid flow direction. The great one end of convergent section diameter communicates with the exit end of suction chamber, and the less one end of convergent section diameter communicates with the entry end of throat section, and the less one end of diffuser section diameter communicates with the exit end of throat section, and the great one end of diffuser section diameter communicates with the liquid outlet. The inside of the throat section is also provided with a mixing unit. This application need not to set up pressure device and mixes medicine and liquid, and equipment is simpler, and has reduced the energy consumption of equipment operation, the cost is reduced.
Description
Technical Field
The application relates to the technical field of chemical equipment, in particular to an automatic dosing device.
Background
In chemical production, production equipment needs to be cleaned regularly, some chemical plants can prepare cleaning liquid on the site of the plant, an automatic dosing device is usually used in the process of preparing the cleaning liquid, and the automatic dosing device usually adds some gas, solid and liquid materials into another liquid for dissolving or mixing, so as to prepare the required solution.
The operation of the dosing device is controlled by arranging elements such as a stirrer, a pressurizing element and a metering pump in the prior art, the dosing effect can be realized, but the dosing device is more complicated due to the connection of various elements, the occupied area is large, and meanwhile, the energy consumption is higher and the investment cost is high in the operation process of the dosing device.
SUMMERY OF THE UTILITY MODEL
The application provides an automatic reagent feeding device for solve the above-mentioned problem that exists among the prior art.
The application provides an automatic reagent feeding device, include: the one end of charge device body, charge device body is provided with the inlet, and the other end of charge device body is provided with the liquid outlet, and one side that the top of charge device body is close to the inlet is provided with the medicine mouth, and the inside of charge device body is located and still is provided with the suction chamber under the medicine mouth, suction chamber and inlet and medicine mouth intercommunication, and the suction chamber communicates gradually convergent section, larynx section and diffuser segment along the liquid flow direction.
The great one end of convergent section diameter communicates with the exit end of suction chamber, and the less one end of convergent section diameter communicates with the entry end of throat section, and the less one end of diffuser section diameter communicates with the exit end of throat section, and the great one end of diffuser section diameter communicates with the liquid outlet.
The inside of the throat section is also provided with a mixing unit.
Optionally, the liquid inlet, the suction chamber, the tapered section, the throat section, the diffuser section and the liquid outlet are coaxially arranged along the liquid flow direction.
Optionally, the liquid inlet includes a cylindrical liquid inlet section and a funnel-shaped pressurizing section, the diameter of the liquid inlet section is equal to the diameter of the inlet of the pressurizing section, and the diameter of the outlet of the pressurizing section is smaller than the diameter of the liquid inlet section.
Optionally, the total length of the inlet section and the pressurising section in the direction of flow of the liquid is-times the length of the tapering section.
Optionally, the diameter of the liquid inlet section is smaller than the diameter of the suction chamber, the diameter of the outlet of the pressurizing section is larger than the diameter of the throat section, the diameter of the throat section is equal to the minimum diameter of the diffuser section, and the maximum diameter of the diffuser section is larger than the diameter of the outlet of the pressurizing section.
Optionally, the mixing unit is a screw rod or a solid packing material arranged in the liquid flow direction.
Optionally, the filling material is ceramic balls, steel balls or spherical graphite, and the size of the gap formed by the filling material is larger than the particle size of solid particles in the liquid.
Optionally, the diverging section has a diverging angle of 10-50 °.
The application provides an automatic reagent feeding device, realized the automation of medicine add and with the mixture of liquid, compare in prior art, have following beneficial effect:
(1) Liquid through having certain pressure spouts into the suction chamber through the inlet, can turn into speed with pressure energy, sets up the pressurization section simultaneously for liquid is from the inlet blowout, makes the liquid that flows at a high speed produce the negative pressure at the suction chamber, inhales the medicine that will add the medicine mouth to the suction chamber, makes liquid and medicine at the suction chamber primary mixing. The arrangement does not need to additionally arrange a pressurizing device to convey the medicine into the suction chamber, so that the equipment use is reduced, and the energy consumption and the input cost are reduced.
(2) Through setting up the convergent section, and the convergent section is the taper structure, not only can reduce the flow resistance of mixing fluid, is favorable to mixing fluid's flow, makes mixing fluid can flow along the internal surface of conical convergent section moreover, is favorable to the homogeneous mixing of liquid and medicine, and the taper structure makes the mixing fluid velocity of flow increase of convergent section export simultaneously, guarantees that mixing fluid gets into the larynx pipeline section smoothly.
(3) Through setting up mixing unit at the choke section for liquid and medicine further mix, combine to mix many times liquid and medicine through convergent section and choke section, make the mixture more even.
(4) Through setting up the diffuser segment, reduce the shearing force of mixing fluid to equipment inner wall, reduced charge device's self weight simultaneously, be favorable to charge device's long-term use. The automatic medicine feeding device has the advantages of low operation noise, long service life, few maintenance, convenient management and use and convenient comprehensive utilization.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an automatic medicine adding device according to an embodiment of the present disclosure;
FIG. 2 is a side view of an auto-drug delivery device provided in accordance with an embodiment of the present application;
fig. 3 is a schematic structural view of an automatic medicine adding device according to another embodiment of the present disclosure.
Description of reference numerals:
1: a drug device body;
2: a liquid inlet;
210: a liquid inlet section;
220: a pressurizing section;
3: a liquid outlet;
4: a medicine adding port;
5: a suction chamber;
6: a tapered section;
7: a throat section;
710: a mixing unit;
8: a diffuser section.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort also belong to the protection scope of the present application.
Fig. 1 is a schematic structural view of an automatic medicine adding device according to an embodiment of the present application, and as shown in fig. 1, an automatic medicine adding device includes: medicine device body 1, the one end of medicine device body 1 is provided with inlet 2, the other end of medicine device body 1 is provided with liquid outlet 3, one side that the top of medicine device body 1 is close to inlet 2 is provided with medicine mouth 4, the inside of medicine device body 1 is located with medicine mouth 4 and still is provided with inhalation chamber 5 under, inhalation chamber 5 and inlet 2 and 4 intercommunications with medicine mouth, inhalation chamber 5 has convergent section 6, choke section 7 and diffuser segment 8 along the liquid flow direction intercommunication in proper order.
The larger one end of 6 diameters of convergent sections communicates with the exit end of suction chamber 5, the smaller one end of 6 diameters of convergent sections communicates with the entry end of choke section 7, the smaller one end of 8 diameters of divergent section communicates with the exit end of choke section 7, the larger one end of 8 diameters of divergent section communicates with liquid outlet 3.
The interior of throat section 7 is also provided with a mixing unit 710.
Specifically, the liquid with certain pressure is sprayed into the suction chamber 5 inside the dosing device body 1 through the liquid inlet 2, the pressure energy is converted into the speed energy, so that the liquid has higher flow speed when being sprayed out from the liquid inlet 2, and the pressure of the liquid entering the liquid inlet 2 can be realized by connecting a water pump with the liquid inlet 2. The liquid flow rate of the 2 outlet liquid of the liquid inlet is higher, and the liquid inlet 2 is driven to flow by the surrounding air, so that a negative pressure region is formed in the suction chamber 5, and the medicine of the medicine adding port 4 communicated with the suction chamber 5 is sucked into the suction chamber 5, the medicine from the medicine adding port 4 can be gas, liquid or solid, and the liquid and the medicine are preliminarily mixed or dissolved in the suction chamber 5. The suction chamber 5 is disposed right below the medicine adding port 4 so that the flow direction of the liquid is perpendicular to the falling medicine, facilitating the mixing of the liquid and the medicine. The medicine is sucked by the negative pressure generated by the high-speed flowing of the liquid, so that the medicine is conveyed into the suction chamber 5 without additionally arranging a pressurizing device, the use of equipment is reduced, and the energy consumption and the input cost are further reduced. Along with under the effect of the continuous entering and the negative pressure of liquid and medicine, the mixed fluid of liquid and medicine gets into throat pipe section 7 after the convergent section 6 mixes once more, convergent section 6 is the taper structure, set up like this and compare in with suction chamber 5 direct intercommunication throat pipe section 7, not only can reduce the resistance of mixed fluid, be favorable to the flow of mixed fluid, and under the combined action of the convergent section 6 of taper structure and negative pressure, make the mixed fluid can follow the internal surface flow of conical convergent section 6, be favorable to the homogeneous mixing of liquid and medicine, the export diameter of convergent section 6 is less than the inlet diameter of convergent section 6 simultaneously, the diameter diminishes and makes the pressure grow, thereby make the mixed fluid velocity of flow increase of 6 exports of convergent section, guarantee that the mixed fluid gets into throat pipe section 7 smoothly. Meanwhile, the mixing unit 710 is arranged in the throat section 7, and when the mixed fluid flows through the mixing unit 710, the liquid and the medicine are further mixed and finally flow out through the diffusion section 8. Because the mixed fluid has certain pressure, the mixed fluid is ejected from the outlet of the throat pipe section 7 by a water column flowing at high speed along the direction of the throat pipe section 7, the smaller end of the diffusion section 8 is communicated with the outlet end of the throat pipe section 7, and the larger end of the diffusion section 8 is communicated with the liquid outlet 3, so that the mixed fluid cannot be directly contacted with the inner wall of the diffusion section 8 when flowing out, the shearing force of the mixed fluid on the inner wall of equipment is reduced, the self weight of the dosing device is reduced, and the long-term operation of the dosing device is facilitated; and the flow resistance of the mixed fluid is reduced so that the mixed fluid smoothly flows out.
Wherein, in the medicine adding process, the concentration of the medicine in the mixed fluid is controlled by adjusting the flow rate of the liquid at the outlet of the liquid inlet 2.
Through the scheme, the automatic addition of the medicine and the mixing of the medicine and the liquid are realized. Spout into the suction chamber through passing through the inlet with liquid, can turn into speed ability with pressure energy for liquid has higher velocity of flow from the inlet blowout, and the liquid of high velocity of flow forms negative pressure zone in the suction chamber simultaneously, thereby will inhale to the suction chamber with the medicine of the mouth that adds of suction chamber intercommunication, liquid and medicine at the indoor primary mixing that inhales. The medicine is conveyed to the interior of the suction chamber without additionally installing a stirrer and a pressurizing device, so that the use of equipment is reduced, and the energy consumption and the input cost are reduced. The convergent section is the taper structure, not only can reduce the resistance of mixing fluid, is favorable to mixing fluid's flow, makes mixing fluid can flow along the internal surface of conical convergent section moreover, is favorable to the homogeneous mixing of liquid and medicine, and the convergent section makes the mixed fluid velocity of flow increase of convergent section export simultaneously, guarantees that mixing fluid gets into the throat pipeline section smoothly. Through being provided with the mixing unit inside choke section 7 for the mixture of liquid and medicine is more even. Through setting up the diffuser segment, reduce the shearing force of mixed fluid to equipment inner wall, reduced charge device's self weight simultaneously, be favorable to charge device's long-term use. The automatic medicine feeding device has the advantages of low operation noise, long service life, few maintenance, convenient management and use and convenient comprehensive utilization. And the automatic reagent feeding device that this application provided is not restricted to being arranged in the preparation of equipment washing liquid in the chemical plant, can also be arranged in the preparation of required solution in trades such as oil, environmental protection, water supply system, waste water treatment, this application does not limit to this.
Optionally, the liquid inlet 2, the suction chamber 5, the tapered section 6, the throat section 7, the diffuser section 8 and the liquid outlet 3 are coaxially arranged along the liquid flowing direction.
Specifically, set up like this and make the mixed fluid who forms after the liquid that gets into from inlet 2 mixes with the inspiratory medicine of dosing mouth 4 can follow liquid outlet 3 and flow smoothly, and then be favorable to automatic reagent feeding device's steady operation.
Fig. 2 is a side view of an automatic dosing device provided in an embodiment of the present application, and fig. 3 is a schematic structural diagram of an automatic dosing device provided in another embodiment of the present application, as shown in fig. 2 and fig. 3, optionally, the liquid inlet 2 includes a cylindrical liquid inlet section 210 and a funnel-shaped pressurizing section 220, a diameter of the liquid inlet section 210 is equal to an inlet diameter of the pressurizing section 220, and an outlet diameter of the pressurizing section 220 is smaller than the diameter of the liquid inlet section 210.
Specifically, the liquid inlet section 210 can be cylindrical or prismatic, and more preferably, the liquid inlet section 210 is cylindrical because the cylindrical liquid inlet section 210 is favorable to reducing the resistance that liquid flows for keep higher velocity of flow when liquid is spouted, be favorable to forming the negative pressure at suction chamber 5, and then be favorable to inhaling the medicine of dosing port 4 to suction chamber 5 in. The diameter of the outlet of the pressurizing section 220 is smaller than that of the liquid inlet section 210, and along with the fact that liquid flows through the liquid inlet section 210 and the pressurizing section 220 in sequence, the diameter is smaller and smaller, the flowing cross section of the liquid is smaller and smaller, the pressure of the liquid is increased, so that the flowing speed of the liquid flowing out of the pressurizing section 220 is larger, negative pressure is generated in the suction chamber 5 more easily, and the continuity and stability of adding the liquid and the medicine are guaranteed.
Optionally, the total length of the liquid inlet section 210 and the pressurizing section 220 in the liquid flow direction is 3-4 times the length of the tapered section 6.
Specifically, this arrangement is beneficial to mixing the liquid and the medicine, if the length of the tapered section 6 is too small, it may cause the liquid ejected from the pressurizing section 220 and flowing at high speed to be ejected from the outlet of the tapered section 6 directly through the suction chamber 5, and thus the uniform mixing effect cannot be achieved, and if the length of the tapered section 6 is too large, the volume accumulation of the mixed liquid in the suction chamber 5 and the tapered section 6 is large, and thus the smooth outflow of the mixed liquid is not facilitated.
Optionally, the diameter of the inlet section 210 is smaller than the diameter of the suction chamber 5, the diameter of the outlet of the pressure section 220 is larger than the diameter of the throat section 7, the diameter of the throat section 7 is equal to the minimum diameter of the diffuser section 8, and the maximum diameter of the diffuser section 8 is larger than the diameter of the outlet of the pressure section 220.
Specifically, the diameter of the liquid inlet section 210 is smaller than that of the suction chamber 5, the liquid ejected from the pressurizing section 220 has a high flow rate, negative pressure is generated in the suction chamber 5, so that the medicine of the medicine adding port 4 is sucked into the suction chamber 5, meanwhile, the diameter of the suction chamber 5 is increased, the liquid speed is low, the liquid falls into the suction chamber 5, and meanwhile, the sufficient space in the suction chamber 5 can be ensured to be mixed with the sucked medicine. The outlet diameter of the pressurizing section 220 is larger than that of the throat section 7, so that the mixed liquid is continuously pressurized in the flowing process, the pressurized mixed liquid is easy to maintain a stable flowing path, and the mixed liquid is ensured to flow out through the diffusion section 8 smoothly. The maximum diameter of the diffuser section 8 is larger than the outlet diameter of the pressurizing section 220, so that the mixed fluid sprayed out of the throat section 7 can be sprayed out in a water column mode and is not in contact with the inner wall of the diffuser section 8, outflow of the mixed fluid is facilitated, and the shearing force of the mixed fluid on the inner wall of the diffuser section 8 is reduced.
Fig. 3 is a schematic diagram illustrating the structure of an automatic drug adding device according to another embodiment of the present application, and as shown in fig. 3, the mixing unit 710 is optionally a spiral rod or a solid filling material disposed along the direction of liquid flow.
Specifically, the mixing unit 710 is a spiral rod, and when the mixed fluid flows through the mixing unit 710, the mixed fluid flows along the spiral rod direction, which is beneficial to increase the mixing time and mixing area of the medicine and the liquid, compared with the mixed fluid directly flowing through the throat section 7, so that the mixing is more uniform. The mixed fluid flows through the gap formed by the filling material, the moving direction of the mixed fluid can be changed, the mixed fluid is continuously shunted and mixed, and the mixing efficiency is improved.
Optionally, the filling material is ceramic balls, steel balls or spherical graphite, and the size of the gap formed by the filling material is larger than the particle size of solid particles in the liquid.
Specifically, the ceramic balls, the steel balls or the spherical graphite have good hardness, and meanwhile, the physical and chemical properties are stable, so that the mixed fluid is not easily polluted. The shape of the filler material is not limited, but preferably, the spherical filler material can form more voids, which is more favorable for the mixed fluid to pass through. If the medicine in the medicine adding opening 4 is solid, the gap formed by the filling material is larger than the grain diameter of the medicine, so that the phenomenon that the solid medicine is remained in the medicine adding device is prevented.
Optionally, the diverging section 8 has a diverging angle of 10-50 °.
Specifically, the diffusion angle of the diffuser section 8 is too large, and when a small amount of liquid drops fall to the inner wall of the diffuser section 8, the liquid drops are not favorably collected, and the stable operation of the dosing device is also not favorably realized. The diffusion angle undersize of diffuser segment 8 probably makes the mixed fluid from 7 spun of choke section and the inner wall contact of diffuser segment 8, not only increases the resistance of mixed fluid, still makes the mixed fluid produce the shearing force to the inner wall of diffuser segment 8, is unfavorable for charge device's long-term steady operation.
The technical solution of the present application is illustrated in detail by the following specific examples.
In the dosing device in this embodiment, the operation flow during specific work is as follows:
liquid that will have certain pressure spouts into the suction chamber 5 of charge device body 1 inside through inlet 2, can turn into speed ability with pressure, make liquid have higher velocity of flow from 2 blowout of inlet, form negative pressure zone in suction chamber 5, thereby inhale to suction chamber 5 with the medicine of the mouth of adding 4 of suction chamber 5 intercommunication, suction chamber 5 sets up under adding the mouth of a medicine 4, come from the medicine that adds the mouth of a medicine 4 and can be gas, liquid or solid, liquid and medicine primary mixing in suction chamber 5.
Along with under the effect of the continuous entering and the negative pressure of liquid and medicine, the mixed fluid of liquid and medicine gets into throat pipe section 7 after the convergent section 6 mixes once more, convergent section 6 is the taper structure, not only can reduce the resistance of mixed fluid, be favorable to the flow of mixed fluid, and under the combined action of the convergent section 6 and the negative pressure of taper structure, make mixed fluid can flow along the internal surface of conical convergent section 6, the exit diameter of convergent section 6 is less than the inlet diameter of convergent section 6 simultaneously, the diameter diminishes makes the pressure grow, thereby make the mixed fluid velocity of flow increase of the export of convergent section 6, guarantee that mixed fluid gets into throat pipe section 7 smoothly. Meanwhile, the mixing unit 710 is arranged in the throat section 7, and when the mixed fluid flows through the mixing unit 710, the liquid and the medicine are further mixed and finally flow out through the diffusion section 8. The mixing unit 710 is a screw rod or a solid packing material disposed in a liquid flow direction. If the mixing unit 710 is a solid filler material, which may be provided with ceramic balls, steel balls or spherical graphite, the voids formed by the filler material are larger than the particle size of the solid particles in the liquid.
Because the mixed fluid has certain pressure, the mixed fluid flows out from the outlet of the throat pipe section 7 by a water column flowing at high speed along the direction of the throat pipe section 7, the end with the smaller diameter of the diffusion section 8 is communicated with the outlet end of the throat pipe section 7, the end with the larger diameter of the diffusion section 8 is communicated with the liquid outlet 3, and the mixed fluid cannot be directly contacted with the inner wall of the diffusion section 8 when flowing out, so that the mixed fluid smoothly flows out.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. An automatic medicine adding device, comprising: the drug adding device comprises a drug adding device body (1), wherein one end of the drug adding device body (1) is provided with a liquid inlet (2), the other end of the drug adding device body (1) is provided with a liquid outlet (3), one side, close to the liquid inlet (2), of the top end of the drug adding device body (1) is provided with a drug adding port (4), a suction chamber (5) is further arranged inside the drug adding device body (1) and is positioned under the drug adding port (4), the suction chamber (5) is communicated with the liquid inlet (2) and the drug adding port (4), and the suction chamber (5) is sequentially communicated with a tapered section (6), a throat pipe section (7) and a diffusion section (8) along the liquid flowing direction;
the end with the larger diameter of the reducing section (6) is communicated with the outlet end of the suction chamber (5), the end with the smaller diameter of the reducing section (6) is communicated with the inlet end of the throat section (7), the end with the smaller diameter of the diffusion section (8) is communicated with the outlet end of the throat section (7), and the end with the larger diameter of the diffusion section (8) is communicated with the liquid outlet (3);
a mixing unit (710) is also arranged inside the throat section (7).
2. The automatic dosing device according to claim 1, wherein the inlet port (2), the suction chamber (5), the tapered section (6), the throat section (7), the diffuser section (8) and the outlet port (3) are coaxially arranged in a liquid flow direction.
3. The automatic dosing device according to claim 1, wherein the liquid inlet (2) comprises a cylindrical liquid inlet section (210) and a funnel-shaped pressurizing section (220), the diameter of the liquid inlet section (210) is equal to the diameter of the inlet of the pressurizing section (220), and the diameter of the outlet of the pressurizing section (220) is smaller than the diameter of the liquid inlet section (210).
4. The auto-medicine device according to claim 3, characterized in that the total length of the liquid inlet section (210) and the pressurizing section (220) in the liquid flow direction is 3-4 times the length of the tapered section (6).
5. The auto-medicine device according to claim 4, characterized in that the diameter of the inlet section (210) is smaller than the diameter of the suction chamber (5), the outlet diameter of the pressurizing section (220) is larger than the diameter of the throat section (7), the diameter of the throat section (7) is equal to the smallest diameter of the diffuser section (8), and the largest diameter of the diffuser section (8) is larger than the outlet diameter of the pressurizing section (220).
6. The automatic drug adding device according to claim 1, characterized in that the mixing unit (710) is a screw rod or a solid filling material arranged in the liquid flow direction.
7. The automatic drug delivery device of claim 6, wherein the filler material is ceramic balls, steel balls, or spherical graphite, and the filler material forms voids larger than the size of solid particles in the liquid.
8. Automatic dosing device according to any one of claims 1-7, characterized in that the diffusion angle of the diffuser section (8) is 10-50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219581.0U CN217910240U (en) | 2022-08-23 | 2022-08-23 | Automatic medicine adding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219581.0U CN217910240U (en) | 2022-08-23 | 2022-08-23 | Automatic medicine adding device |
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| CN217910240U true CN217910240U (en) | 2022-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024183412A1 (en) * | 2023-03-08 | 2024-09-12 | 中国石油化工股份有限公司 | Gas treatment apparatus and gas treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024183412A1 (en) * | 2023-03-08 | 2024-09-12 | 中国石油化工股份有限公司 | Gas treatment apparatus and gas treatment method |
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