CN113750562A - Rectification dehydration equipment for hydrogen bromide electronic gas - Google Patents
Rectification dehydration equipment for hydrogen bromide electronic gas Download PDFInfo
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- CN113750562A CN113750562A CN202111185285.7A CN202111185285A CN113750562A CN 113750562 A CN113750562 A CN 113750562A CN 202111185285 A CN202111185285 A CN 202111185285A CN 113750562 A CN113750562 A CN 113750562A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/093—Hydrogen bromide
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0003—Chemical processing
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0009—Physical processing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0062—Water
Abstract
The invention provides a rectification dehydration device for hydrogen bromide electronic gas, which comprises a dust removal mechanism, a stirring mechanism, a filtering mechanism and a rectification mechanism which are sequentially connected through a pipeline, wherein a first filter is arranged in the dust removal mechanism, the stirring mechanism comprises a mixing box, a stirring plate driven by a servo motor is arranged in the mixing box, the filtering mechanism comprises a second filter, a third filter and a molecular sieve are arranged on the second filter, the rectification mechanism comprises two groups of condensers and a rectification tower, and a protection mechanism is arranged outside a steel cylinder. The invention can avoid the pollution of particles, improves the gas purification efficiency, fully and quickly mixes the raw materials, promotes the accelerated dehydration of the gas, improves the efficiency, fully protects the steel cylinder for storing the gas, is beneficial to extracting the electronic grade hydrogen bromide, and has scientific and reasonable structural design and good use effect.
Description
Technical Field
The invention belongs to the technical field of hydrogen bromide production, and particularly relates to rectification dehydration equipment for hydrogen bromide electronic gas.
Background
Hydrogen bromide is the basic material for the manufacture of various inorganic bromides and certain alkyl bromides, is a corrosive gas, is strongly fuming in humid air, can be highly irritating to the eyes and respiratory tract, and can cause serious injury when the skin is contacted with liquid bromine, so that it is important to remove water from the hydrogen bromide.
Among the prior art, molecular sieve has obtained extensive application in gaseous drying process, but the equipment of using is great, the regeneration process of adsorbent causes the material loss and influences the yield, to acid gas's dehydration, because gaseous corrosivity will seriously shorten the life-span of adsorbent, particle impurity in the gas is too much, produce the damage to equipment easily, and other gaseous impurity boiling point height difference that exist in the container, consequently other gas also can't be accomplished to thorough cleaing away by rectification equipment, the steel bottle of storage gas only settles with the mount, the staff touches the body easily, certain potential safety hazard has, for this reason, need design a hydrogen bromide for electron gas rectification dewatering equipment to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rectification dehydration device for hydrogen bromide electronic gas, which has scientific and reasonable structural design and reasonable function distribution of mechanisms, realizes efficient dehydration of hydrogen bromide by sequentially performing dust removal, stirring, filtering and condensation rectification, can obtain electronic grade hydrogen bromide, is safe to use and good in use effect, and can greatly improve the quality of the hydrogen bromide.
In order to solve the technical problems, the invention adopts the technical scheme that: a rectification dehydration device for hydrogen bromide electronic gas is characterized by comprising a dust removal mechanism, a stirring mechanism, a filtering mechanism, a rectification mechanism and a protection mechanism which are connected in sequence, one side of the dust removing mechanism is connected with a first pipeline, the other side of the dust removing mechanism is connected with the stirring mechanism through a second pipeline, the stirring mechanism is connected with a third pipeline and is connected with the conveying mechanism through a fourth pipeline, the conveying mechanism is connected with the filtering mechanism through a fifth pipeline, the filtering mechanism is connected with the rectifying mechanism through a sixth pipeline, the rectification mechanism is connected with a protection mechanism through an eighth pipeline, the protection mechanism is arranged on the base, the dust removing mechanism, the stirring mechanism, the conveying mechanism, the filtering mechanism and the rectifying mechanism are all provided with supporting legs, and the second pipeline, the third pipeline, the fourth pipeline and the eighth pipeline are all provided with regulating valves.
Preferably, the dust removing mechanism comprises a first filter and a sealing cover, the first filter is connected with the first pipeline, the sealing cover is arranged at the upper end of the first filter, a columnar first filter screen is fixedly connected to the inner top surface of the first filter, the first filter screen is vertically arranged, a second filter screen is horizontally arranged on the inner wall of the first filter screen, a plurality of first filter holes are uniformly formed in the first filter screen, a plurality of second filter holes are uniformly formed in the second filter screen, the pore diameter of each second filter hole is smaller than that of each first filter hole, no first filter hole is formed in the position, above the second filter screen, of the first filter screen, gas is prevented from being filtered for one time, a dust removing gas inlet and a dust removing gas outlet are formed in the inner top of the first filter, the dust removing gas inlet and the dust removing gas outlet are separated by the first filter screen, the dust removing gas inlet is connected with the first pipeline and conveys a gas source into the first filter, the dust removal air inlet is located the outside of first filter screen, and the gas outlet that removes dust is located first filter screen and connects the second pipeline through the closing cap and carry the gas after filtering to the second pipeline, and the closing cap setting is on the second pipeline.
Preferably, rabbling mechanism includes mixing box, servo motor and stirring board, the mixing box with the second pipe connection, servo motor installs on the lateral wall of mixing box, servo motor's output shaft passes the lateral wall of mixing box and connects the fixed head, four stirring boards are evenly connected to the week side of fixed head, connect the third pipeline on the mixing box, the mixing box passes through fourth pipe connection conveying mechanism.
Preferably, the filtering mechanism comprises a second filter, the top of the second filter is connected with the conveying mechanism through a fifth pipeline, a third filter screen is horizontally arranged in the second filter, a molecular sieve is horizontally arranged below the third filter screen, and the bottom of the second filter is connected with the rectifying mechanism through a sixth pipeline. The generated solid impurities are filtered by a third filter screen, and the residual water is dehydrated by the molecular sieve.
Preferably, the rectifying mechanism includes first condenser, first rectifying column, second condenser and second rectifying column, first condenser passes through sixth pipe connection second filter, first condenser passes through first condenser pipe and second condenser union coupling first rectifying column, first rectifying column passes through seventh pipe connection second condenser, the second condenser passes through third condenser pipe and fourth condenser pipe connection second rectifying column, be equipped with the pressure valve on second condenser pipe and the fourth condenser pipe, the second rectifying column passes through eighth pipe connection protection mechanism. The first rectifying tower is used for rectifying with low boiling point, and the second rectifying tower is used for rectifying with high boiling point, so that impurities with different boiling points in the gas are fully removed.
Preferably, the mixing box passes through the third pipe connection silicon tetrabromide storage container, and the principle of meeting water reaction through silicon tetrabromide is to the hydrogen bromide dehydration, is provided with the PLC controller on the mixing box, and the PLC controller is connected with a plurality of governing valves and servo motor, and it is long when the stirring of control silicon tetrabromide and hydrogen bromide mixes to open the gaseous business turn over in the corresponding governing valve control mixing box.
Preferably, the protection mechanism includes steel bottle, first protecting crust and second protecting crust, set up the spout that is annular on the base, set up the standing groove of placing the steel bottle on the base, the cross-section of first protecting crust and second protecting crust is semi-circular, first protecting crust sliding connection be in the spout, the cross-sectional diameter of second protecting crust is less than the cross-sectional diameter of first protecting crust, the second protecting crust is fixed on the base, first protecting crust and second protecting crust all wrap up the periphery side that sets up at the steel bottle, the steel bottle passes through eighth pipe connection second rectifying column, set up the arc opening that supplies the eighth pipeline to pass on the first protecting crust, protect the steel bottle that bears the weight of gas through first protecting crust and second protecting crust, avoid the mistake to touch the mistake and touch, reduce the potential safety hazard. The steel cylinder can be taken out by sliding the first protective shell.
Preferably, the conveying mechanism comprises a suction pump, the suction pump is fixedly installed at the top of the mixing box and is connected with the mixing box through a fourth pipeline, and the suction pump is connected with the second filter through a fifth pipeline.
Compared with the prior art, the invention has the following advantages:
1. the invention can avoid the pollution of particles, improves the gas purification efficiency, fully and quickly mixes the raw materials, promotes the accelerated dehydration of the gas, improves the efficiency, fully protects the steel cylinder for storing the gas, is beneficial to extracting the electronic grade hydrogen bromide, and has scientific and reasonable structural design and good use effect.
2. The device has scientific and reasonable structural design and reasonable function distribution of each mechanism, realizes high-efficiency dehydration of the hydrogen bromide by sequentially performing dust removal, stirring, filtering and condensation rectification, can obtain the electronic grade hydrogen bromide, is safe to use, has a good use effect, and can greatly improve the quality of the hydrogen bromide.
3. The invention removes the particle impurities in the gas through the dust removal mechanism, plays an auxiliary role in the purification of the gas, prevents the equipment from being polluted by the particles and can also improve the subsequent gas purification efficiency. Through rabbling mechanism, will pour into the gas and the silicon tetrabromide of mixing box and carry out abundant and quick mixture, impel gaseous dehydration with higher speed, improve dehydration efficiency. Gases with boiling points lower than and higher than that of the hydrogen bromide are respectively removed through two condensation rectification processes of low boiling point rectification and high boiling point rectification, and finally the electronic grade hydrogen bromide is obtained. Through protection machanism, will store gaseous steel bottle and protect, reduce the safety risk.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic side view of the stirring mechanism of the present invention.
Fig. 3 is a front view schematically showing the structure of the mixing box of the present invention.
Fig. 4 is a partially enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 5 is a schematic structural view of the guard mechanism of the present invention.
Fig. 6 is a schematic perspective view of the base of the present invention.
Fig. 7 is a schematic top view of the first protective shell and the second protective shell according to the present invention.
Description of reference numerals:
1 — a first conduit; 2 — a first filter; 3-molecular sieve;
4-a servo motor; 5, supporting legs; 6-first condenser;
7, sealing the cover; 8-a mixing box; 9-stirring plate;
10-a fixed head; 11-a first protective shell; 12-a first rectification column;
13-a second condenser; 14-a second rectification column; 15-a base;
16-a regulating valve; 17-second filter hole; 18-a second screen;
19-a first sieve; 20-an air pump; 21-first filter hole;
22-an opening; 23 — a second filter; 24-a third filter screen;
25-a chute; 26-steel cylinder; 27-a second protective shell;
28 — a second conduit; 29 — a third conduit; 30-a fourth conduit;
31 — a fifth conduit; 32-a sixth conduit; 33-a seventh conduit;
34 — an eighth conduit; 35-a first condenser tube; 36-a second condenser tube;
37-third condenser tube; 38-fourth condenser tube; 39-pressure valve.
Detailed Description
As shown in fig. 1 to 7, the invention comprises a dust removing mechanism, a stirring mechanism, a filtering mechanism, a rectifying mechanism and a protection mechanism which are connected in sequence, one side of the dust removing mechanism is connected with the first pipeline 1, the other side of the dust removing mechanism is connected with the stirring mechanism through the second pipeline 28, the stirring mechanism is connected with a third pipeline 29, the stirring mechanism is connected with the conveying mechanism through a fourth pipeline 30, the conveying mechanism is connected with the filtering mechanism through a fifth pipeline 31, the filtering mechanism is connected with the rectifying mechanism through a sixth pipeline, the rectification mechanism is connected with a protection mechanism through an eighth pipeline 34, the protection mechanism is arranged on the base 15, the dust removing mechanism, the stirring mechanism, the conveying mechanism, the filtering mechanism and the rectifying mechanism are all provided with supporting legs 5, the second pipeline 28, the third pipeline 29, the fourth pipeline 30 and the eighth pipeline 34 are all provided with a regulating valve 16. The dust removal mechanism preliminarily filters some of the impurities present in the gas. The stirring mechanism rapidly and sufficiently accelerates the fusion of gas and hydrophilic chemicals such as silicon tetrabromide, and plays roles of saving time and accelerating reaction.
In this embodiment, the dust removing mechanism includes a first filter 2 and a sealing cover 7, the first filter 2 is connected to the first pipeline 1, the sealing cover 7 is disposed at the upper end of the first filter 2, a first cylindrical filter screen 19 is fixedly connected to the inner top surface of the first filter 2, the first filter screen 19 is vertically disposed, a second filter screen 18 is horizontally disposed on the inner wall of the first filter screen 19, a plurality of first filter holes 21 are uniformly formed in the first filter screen 19, a plurality of second filter holes 17 are uniformly formed in the second filter screen 18, the pore size of the second filter holes 17 is smaller than that of the first filter holes 21, the first filter holes 21 are not formed in the positions above the second filter screen 18 on the first filter screen 19, so as to prevent gas from being filtered only once, a dust removing gas inlet and a dust removing gas outlet are disposed at the inner top of the first filter 2, the dust removing gas inlet and the dust removing gas outlet are separated by the first filter screen 19, the dust removal air inlet is connected with the first pipeline 1 and conveys air sources into the first filter 2, the dust removal air inlet is positioned on the outer side of the first filter screen 19, the dust removal air outlet is positioned in the first filter screen 19 and is connected with the second pipeline 28 through a sealing cover to convey filtered air to the second pipeline 28, and the sealing cover 7 is arranged on the second pipeline 28.
In this embodiment, the rabbling mechanism includes mixing box 8, servo motor 4 and stirring board 9, mixing box 8 with second pipeline 28 is connected, servo motor 4 is installed on mixing box 8's lateral wall, servo motor 4's output shaft passes mixing box 8's lateral wall and connects fixed head 10, many stirring boards 9 of week side uniform connection of fixed head 10, connect third pipeline 29 on the mixing box 8, conveying mechanism is connected through fourth pipeline 30 to mixing box 8.
In this embodiment, the filtering mechanism includes a second filter 23, the top of the second filter 23 is connected to the conveying mechanism through a fifth pipeline 31, a third filter screen 24 is horizontally arranged in the second filter 23, a molecular sieve 3 is horizontally arranged below the third filter screen 24, and the bottom of the second filter 23 is connected to the rectifying mechanism through a sixth pipeline 32.
In this embodiment, the rectifying mechanism includes first condenser 6, first rectifying column 12, second condenser 13 and second rectifying column 14, first condenser 6 passes through sixth pipeline 32 and connects second filter 23, first condenser 6 connects first rectifying column 12 through first condenser pipe 35 and second condenser pipe 36, first rectifying column 12 passes through seventh pipeline 33 and connects second condenser 13, second condenser 13 passes through third condenser pipe 37 and fourth condenser pipe 38 and connects second rectifying column 14, be equipped with pressure valve 39 on second condenser pipe 36 and the fourth condenser pipe 38, second rectifying column 14 passes through eighth pipeline 34 and connects protection mechanism. Controlling the temperature of the first condenser 6 to be-61 ℃ and the pressure to be 1.9MPa, enabling the residual uncondensed gas to enter the second condenser 13, controlling the temperature of the second condenser 13 to be-61 ℃ and the pressure to be 1.3MPa, performing low-boiling point rectification on the first rectifying tower 12, performing high-boiling point rectification on the second rectifying tower 14, and fully removing impurities with different boiling points in the gas.
In this embodiment, mixing box 8 connects silicon tetrabromide storage container through third pipeline 29, and the principle of meeting water reaction through silicon tetrabromide is to hydrogen bromide dehydration, is provided with the PLC controller on mixing box 8, and the PLC controller is connected with a plurality of governing valves 16 and servo motor 4, and it is long when the stirring of control silicon tetrabromide and hydrogen bromide mixes to open the gaseous business turn over in the corresponding governing valve 16 control mixing box 8.
In this embodiment, the protection mechanism includes a steel cylinder 26, a first protection shell 11 and a second protection shell 27, the base 15 is provided with an annular sliding groove 25, the base 15 is provided with a placing groove for placing the steel cylinder 26, the cross sections of the first protection shell 11 and the second protection shell 27 are both semicircular, the first protection shell 11 is slidably connected in the sliding groove 25, the cross section diameter of the second protection shell 27 is smaller than the cross section diameter of the first protection shell 11, the second protection shell 27 is fixed on the base 15, the first protection shell 11 and the second protection shell 27 are both wrapped on the outer peripheral side of the steel cylinder 26, the steel cylinder 26 is connected with the second rectifying tower 14 through an eighth pipeline 34, the first protection shell 11 is provided with an arc-shaped opening 22 for the eighth pipeline 34 to pass through, the steel cylinder 26 carrying gas is protected by the first protection shell 11 and the second protection shell 27, avoid the mistake to bump the mistake and touch, reduce the potential safety hazard.
In this embodiment, the conveying mechanism includes a suction pump 20, the suction pump 20 is fixedly installed at the top of the mixing box 8, the suction pump 20 is connected to the mixing box 8 through a fourth pipeline 30, and the suction pump 20 is connected to the second filter 23 through a fifth pipeline 31.
The method for dehydrating the hydrogen bromide by using the rectification dehydration equipment for the hydrogen bromide electronic gas comprises the following steps:
s1, connecting a container containing mixed gas to the first pipeline 1, starting the air pump 20, and allowing the gas to enter the first filter 2 through the first pipeline 1 under the action of suction force so as to start filtering and purifying the gas;
s2, under the action of suction force, filtering the gas by the first filter screen 19 to filter large particles to the bottom end of the first filter 2, and filtering the gas after impurity removal by the second filter screen 18 again to send the gas into the second pipeline 28 to filter the gas twice;
s3, conveying the gas into the mixing box 8 through the second pipeline 28, allowing the silicon tetrabromide to enter the mixing box 8 through the third pipeline 29, opening the regulating valves 16 on the second pipeline 28 and the third pipeline 29, closing the regulating valve 16 on the fifth pipeline 30, starting the servo motor 4, driving the fixing plate 10 to rotate by the output shaft of the servo motor 4, simultaneously, the stirring plate 9 on the fixing plate 10 is driven to rotate, so that the gas entering the mixing box 8 and the silicon tetrabromide are subjected to accelerated fusion, the two substances are mixed, the silicon tetrabromide and water are subjected to chemical reaction, the moisture in the gas is removed, the PLC closes the regulating valves 16 on the second pipeline 28 and the third pipeline 29 after the gas and the silicon tetrabromide are conveyed for a certain time at a fixed flow rate and are filled in the mixing box 8, and the water content in the gas output from the mixing box 8 is ensured to be less than 0.5 ppm;
s4, the gas enters the air pump 20 through the fourth pipeline 30 and then enters the second filter 23 through the fifth pipeline 31; particle impurities generated by the reaction of silicon tetrabromide and gas are filtered in the second filter 23 through a third filter screen 24, then the residual moisture is dehydrated through a molecular sieve 3 and is sent to the first condenser 6 through a sixth pipeline 32, new impurities are generated by chemical reaction, solid impurities with large particles are removed, and the residual moisture with the content less than 0.5ppm is dehydrated;
s5, the first condenser 6 condenses the gas, then conveys the condensed gas to the first rectifying tower 12 through the second condensing pipe 36 and the first condensing pipe 35, conveys the condensed gas to the second condenser 13 through the seventh pipeline 33, conveys the condensed gas to the second rectifying tower 14 through the fourth condensing pipe 38 and the third condensing pipe 37, and finally extracts electronic-grade hydrogen bromide through low-boiling point rectification and high-boiling point rectification;
s6, the gas is transported from the second rectifying tower 14 to the steel cylinder 26 through the eighth pipeline 34, and the electronic grade hydrogen bromide is stored in the steel cylinder 26 and protected by the protection device.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.
Claims (7)
1. The utility model provides a rectification dewatering equipment for hydrogen bromide electronic gas, a serial communication port, including dust removal mechanism, rabbling mechanism, filtering mechanism, rectification mechanism and the protection machanism that connects gradually, first pipeline (1) is connected to one side of dust removal mechanism, and the rabbling mechanism is connected through second pipeline (28) to the opposite side of dust removal mechanism, third pipeline (29) are connected on the rabbling mechanism, the rabbling mechanism passes through fourth pipeline (30) and connects conveying mechanism, conveying mechanism passes through fifth pipeline (31) and connects filtering mechanism, filtering mechanism passes through sixth pipe connection rectification mechanism, rectification mechanism passes through eighth pipeline (34) and connects protection machanism, protection machanism installs on base (15), all be provided with supporting leg (5) on dust removal mechanism, rabbling mechanism, conveying mechanism, filtering mechanism and the rectification mechanism, second pipeline (28), The third pipeline (29), the fourth pipeline (30) and the eighth pipeline (34) are all provided with regulating valves (16).
2. A rectifying and dehydrating apparatus for hydrogen bromide electronic gas according to claim 1, the dust removal mechanism comprises a first filter (2) and a sealing cover (7), the first filter (2) is connected with the first pipeline (1), a sealing cover (7) is arranged at the upper end of the first filter (2), a first cylindrical filter screen (19) is arranged in the first filter (2), a second filter screen (18) is horizontally arranged on the inner wall of the first filter screen (19), a plurality of first filter holes (21) are uniformly arranged on the first filter screen (19), a plurality of second filter holes (17) are uniformly arranged on the second filter screen (18), a dust removal air inlet and a dust removal air outlet are formed in the first filter (2), the dust removal air inlet and the dust removal air outlet are separated through a first filter screen (19), and the sealing cover (7) is arranged on the second pipeline (28).
3. The rectification and dehydration equipment for the electronic gas of hydrogen bromide according to claim 1, wherein the stirring mechanism comprises a mixing box (8), a servo motor (4) and a stirring plate (9), the mixing box (8) is connected with the second pipeline (28), the servo motor (4) is installed on the outer side wall of the mixing box (8), the output shaft of the servo motor (4) passes through the side wall of the mixing box (8) to be connected with a fixed head (10), the peripheral side of the fixed head (10) is uniformly connected with a plurality of stirring plates (9), the mixing box (8) is connected with a third pipeline (29), and the mixing box (8) is connected with a conveying mechanism through a fourth pipeline (30).
4. The rectification and dehydration equipment for the electronic gas of hydrogen bromide according to claim 1, wherein the filtering mechanism comprises a second filter (23), the top of the second filter (23) is connected with the conveying mechanism through a fifth pipeline (31), a third filter screen (24) is horizontally arranged in the second filter (23), the molecular sieve (3) is horizontally arranged below the third filter screen (24), and the bottom of the second filter (23) is connected with the rectification mechanism through a sixth pipeline (32).
5. A rectification dehydration apparatus for hydrogen bromide electronic gas according to claim 4, characterized in that, the rectifying mechanism comprises a first condenser (6), a first rectifying tower (12), a second condenser (13) and a second rectifying tower (14), the first condenser (6) is connected with the second filter (23) through a sixth pipeline (32), the first condenser (6) is connected with the first rectifying tower (12) through a first condensing pipe (35) and a second condensing pipe (36), the first rectifying tower (12) is connected with a second condenser (13) through a seventh pipeline (33), the second condenser (13) is connected with the second rectifying tower (14) through a third condensing pipe (37) and a fourth condensing pipe (38), the second condensation pipe (36) and the fourth condensation pipe (38) are provided with pressure valves (39), the second rectifying tower (14) is connected with a protection mechanism through an eighth pipeline (34).
6. The rectification and dehydration equipment for the hydrogen bromide electronic gas as claimed in claim 1, wherein the protection mechanism comprises a steel cylinder (26), a first protection shell (11) and a second protection shell (27), the base (15) is provided with an annular chute (25), the base (15) is provided with a placing groove for placing the steel cylinder (26), the first protection shell (11) and the second protection shell (27) are both semicircular in cross section, the first protection shell (11) is slidably connected in the chute (25), the second protection shell (27) is smaller than the first protection shell (11) in cross section diameter, the second protection shell (27) is fixed on the base (15), the first protection shell (11) and the second protection shell (27) are both wrapped on the outer peripheral side of the steel cylinder (26), and the steel cylinder (26) is connected with the second rectification tower (14) through an eighth pipeline (34), an arc-shaped opening (22) for an eighth pipeline (34) to pass through is formed in the first protective shell (11).
7. A rectification and dehydration device for electronic hydrogen bromide gas according to claim 4, characterized in that said delivery mechanism comprises a suction pump (20), said suction pump (20) is fixedly installed on the top of the mixing box (8), said suction pump (20) is connected to the mixing box (8) through a fourth pipeline (30), and the suction pump (20) is connected to the second filter (23) through a fifth pipeline (31).
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| CN202111185285.7A CN113750562A (en) | 2021-10-12 | 2021-10-12 | Rectification dehydration equipment for hydrogen bromide electronic gas |
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| CN202111185285.7A CN113750562A (en) | 2021-10-12 | 2021-10-12 | Rectification dehydration equipment for hydrogen bromide electronic gas |
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| CN113401873A (en) * | 2021-06-18 | 2021-09-17 | 绿菱电子材料（天津）有限公司 | Preparation method of high-purity hydrogen bromide |
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