CN114931845A - Industrial hydrous hydrogen chloride gas dehydration equipment - Google Patents
Industrial hydrous hydrogen chloride gas dehydration equipment Download PDFInfo
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- CN114931845A CN114931845A CN202210460243.8A CN202210460243A CN114931845A CN 114931845 A CN114931845 A CN 114931845A CN 202210460243 A CN202210460243 A CN 202210460243A CN 114931845 A CN114931845 A CN 114931845A
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- tube
- air outlet
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- helical blade
- hydrogen chloride
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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
- B01D53/261—Drying gases or vapours by adsorption
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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
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses an industrial dehydration device for hydrogen chloride gas containing water, which comprises a pipe shell, wherein the bottom end of the inner cavity of the pipe shell is provided with a helical blade, the helical blade is of a hollow structure, the bottom end of the helical blade is in transmission connection with a driving motor through a hollow shaft and is driven by the driving motor to rotate, an air inlet channel and an air outlet channel which are mutually isolated are formed in the hollow shaft, the lower end of the inner cavity of the helical blade in the air inlet channel is communicated, and the air outlet channel is communicated with the outside of the pipe shell; the spiral blade is used for freeze dehydration during working, and meanwhile, hot air flow generated by the vortex tube is communicated with the air outlet pipeline of the tube shell and is used for heating the air outlet pipeline, and exhaust gas can be further heated at the outlet end of the air outlet pipeline; adopt helical blade and raw materials gas contact, gas spiral rising on helical blade can rather than fully contact, and the liquid drop after the condensation can fall out rapidly under helical blade's rotation simultaneously, has better dehydration efficiency.
Description
Technical Field
The invention relates to the field of dehydration equipment, in particular to industrial dehydration equipment for hydrogen chloride gas containing water.
Background
The synthetic hydrogen chloride is produced by mixing and burning chlorine and hydrogen in a synthetic furnace, the water content of the hydrogen chloride gas is mainly caused by three reasons, namely that the raw materials of the hydrogen and the chlorine contain water, the oxygen contained in the chlorine and the hydrogen are burnt to generate water, and the cooling wall of the synthetic furnace is permeated with water. The hydrogen chloride gas contains water, so that the produced hydrogen chloride gas cannot meet the process requirement standard, and a small amount of hydrogen chloride enters a system in the form of hydrochloric acid to corrode equipment, so that the service life of the equipment is shortened, and therefore, the method is very important for dehydrating the hydrogen chloride gas.
At present, the conventional dehydration equipment mainly adopts a compressor for refrigeration and freeze dehydration, so that the power consumption is relatively high in the long-term use process, and the economic benefit is relatively low.
Therefore, how to solve the defects of the prior art is a subject of the present invention.
Disclosure of Invention
In order to solve the problems, the invention discloses an industrial dehydration device for aqueous hydrogen chloride gas.
In order to achieve the above purpose, the invention provides the following technical scheme: an industrial dehydration device for hydrogen chloride gas containing water comprises a tube shell, wherein the bottom end of the inner cavity of the tube shell is provided with a helical blade, the helical blade is of a hollow structure, the bottom end of the helical blade is in transmission connection with a driving motor through a hollow shaft and is driven by the driving motor to rotate, an air inlet channel and an air outlet channel which are mutually isolated are formed in the hollow shaft, the air inlet channel is communicated with the lower end of the inner cavity of the helical blade, one end of the air outlet channel is communicated with the upper end of the inner cavity of the helical blade, and the other end of the air outlet channel is communicated with the outside of the tube shell;
the air inlet channel is communicated with a refrigerating end of a vortex tube installed on the tube shell through a rotary tube connector, an air inlet is formed in the tube shell and corresponds to the lower portion of the spiral blade, an air outlet pipeline is communicated with the side portion of the upper end of the tube shell, and a liquid discharge valve is connected to the bottom end of the tube shell.
In the above scheme, the outer wall of the air outlet pipe is sleeved with an outer sleeve, a gap is left between the outer sleeve and the air outlet pipe, and the gap is communicated with the hot end outlet of the vortex tube.
In the scheme, a plurality of drying adsorption tubes are hermetically inserted into the upper end of the tube shell, a dehydrating agent layer is filled in the inner cavity of each drying adsorption tube, the lower ends of the drying adsorption tubes are communicated with the inner cavity of the tube shell, and the upper ends of the drying adsorption tubes are communicated with the air outlet pipeline through an opening.
In the scheme, the upper end and the lower end of the drying adsorption tube are both open, a pull rod is arranged in the drying adsorption tube, the lower end of the pull rod extends out of the outer side of the drying adsorption tube and is connected with a piston matched with the drying adsorption tube in a sliding sealing mode, the upper end of the pull rod extends out of the tube shell, a cock is sleeved on the pull rod in a sliding sealing mode and is connected with the tube shell in a sealing mode through threads, the dehydrating agent layer is cylindrical, and the detachable sleeve is arranged on the pull rod in a sleeved mode.
In the scheme, the lower part of the pull rod, corresponding to the dehydrating agent layer, is provided with the limiting disc, the middle part of the dehydrating agent layer is provided with the long hole, the pull rod is inserted into the long hole of the dehydrating agent layer, and the lower end of the dehydrating agent layer is abutted against the limiting disc.
In the scheme, the outer wall surface of the spiral blade is coated with the non-stick coating, and the non-stick coating is a Teflon coating.
The beneficial effects of the invention are as follows: the dehydration equipment adopts the vortex tube to provide the refrigerant, can freeze and dehydrate through the helical blade during working, and simultaneously, the hot airflow generated by the vortex tube is communicated with the air outlet pipeline of the tube shell and is used for heating the air outlet pipeline, and the outlet end of the air outlet pipeline can further heat the exhaust gas; the helical blade is adopted to contact with the raw material gas, the gas can be fully contacted with the helical blade when spirally rising on the helical blade, and the condensed liquid drops can rapidly fall out under the rotation of the helical blade, so that the better dehydration efficiency is realized.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of a hollow shaft;
fig. 3 is a sectional view of a dry adsorption tube.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example (b): referring to fig. 1-3, an industrial dehydration device for aqueous hydrogen chloride gas comprises a pipe shell 100, wherein the bottom end of the inner cavity of the pipe shell 100 is provided with a helical blade 101, the helical blade 101 is of a hollow structure, the bottom end of the helical blade 101 is in transmission connection with a driving motor through a hollow shaft 111 and is driven by the driving motor to rotate, and during operation, the helical blade 101 is driven by the driving motor to rotate so as to be better contacted with a raw material gas entering the inner cavity of the pipe shell 100.
An air inlet channel 112 and an air outlet channel 113 which are mutually isolated are formed in the hollow shaft 111, the air inlet channel 112 is communicated with the lower end of the inner cavity of the helical blade 101, one end of the air outlet channel 113 is communicated with the upper end of the inner cavity of the helical blade 101, and the other end of the air outlet channel 113 is communicated with the outside of the pipe shell 100; the air flow can enter the lower end of the inner cavity of the helical blade 101 through the air inlet channel 112, and after rising to the top end in the helical blade 101, the air flow enters the air outlet channel 113 and is discharged outside through the air outlet channel 113;
the air inlet channel 112 is communicated with a refrigerating end of a vortex tube 200 arranged on the tube shell 100 through a rotary tube joint, the refrigeration of the vortex tube 200 is a refrigeration method which is realized by separating cold air flow and hot air flow by generating vortex in high-speed air flow under the action of the vortex tube and utilizing the cold air flow; when the vortex tube 200 is in work, external compressed gas is communicated with the vortex tube 200, cold air can be discharged from the refrigerating end of the vortex tube 200, and the lowest temperature can reach minus 46 ℃;
an air inlet is arranged on the pipe shell 100 corresponding to the lower part of the helical blade 101, and is used for introducing raw material gas to be dehydrated;
the lateral part of the upper end of the pipe shell 100 is communicated with an air outlet pipeline 102, and the bottom end of the pipe shell 100 is connected with a liquid outlet valve for discharging liquid in the pipe shell 100.
An outer sleeve 121 is sleeved on the outer wall of the gas outlet pipe 102, a gap is left between the outer sleeve 121 and the gas outlet pipe 102, and the gap is communicated with a hot end outlet of the vortex tube 200.
During dehydration, raw gas to be dehydrated enters from an air inlet below the tube shell 100, cold air discharged from the refrigerating end of the vortex tube 200 can enter the lower end of the inner cavity of the spiral blade 101 through the air inlet channel 112, and enters the air outlet channel 113 after rising to the top end in the spiral blade 101, and is discharged outside through the air outlet channel 113; therefore, the overall temperature of the helical blade 101 is reduced, moisture contained in the raw material gas is frozen and removed after the raw material gas contacts the helical blade 101, the helical blade 101 is helical, the raw material gas can contact the helical blade 101 for many times along the trend of the raw material gas when rising, the overall dehydration effect is better, and the dehydrated raw material gas can be discharged from the gas outlet pipeline 102; when the device works, the device is frozen and dehydrated through the spiral blades 101, and meanwhile, hot airflow generated by the vortex tube is communicated with the air outlet pipeline 102 of the tube shell 100 and used for heating the air outlet pipeline 102, so that exhaust gas can be further heated at the outlet end of the air outlet pipeline 102; the helical blade 101 is adopted to contact with the raw material gas, the gas can be fully contacted with the helical blade 101 when the gas is spirally lifted on the helical blade 101, and meanwhile, condensed liquid drops can rapidly fall off under the rotation of the helical blade 101, so that the dehydration efficiency is better.
In order to further improve the dehydration effect, a plurality of drying adsorption tubes 103 are hermetically inserted into the upper end of the tube shell 100, the inner cavity of each drying adsorption tube 103 is filled with a dehydrating agent layer 131, the lower ends of the drying adsorption tubes 103 are communicated with the inner cavity of the tube shell 100, and the upper ends of the drying adsorption tubes 103 are communicated with the air outlet pipeline 102 through an opening 132; the dehydrating agent layer 131 is a solid silica gel dehydrating agent layer, and after the raw material gas after freeze dehydration passes through the bottom end of the drying and adsorbing tube 103, the raw material gas can enter the drying and adsorbing tube 103 to contact with the dehydrating agent layer 131 so as to be further adsorbed and dehydrated, and the gas passing through the dehydrating agent layer 131 is discharged through the gas outlet pipeline 102 through the opening 132.
In order to facilitate the replacement of the dehydrating agent layer 131 without stopping the machine in use, the upper end and the lower end of the drying adsorption tube 103 are both open, a pull rod 133 is arranged in the drying adsorption tube 103, the lower end of the pull rod 133 extends out of the drying adsorption tube 103 and is connected with a piston 134 which is in sliding sealing fit with the drying adsorption tube 103, the upper end of the pull rod 133 extends out of the tube shell 100, a cock 135 is sleeved on the pull rod 133 in a sliding sealing manner, the cock 135 is detachably and hermetically connected with the tube shell 100 through threads, and the dehydrating agent layer 131 is cylindrical and is detachably sleeved on the pull rod 133; a limiting disc is arranged on the pull rod 133 corresponding to the lower part of the dehydrating agent layer 131, a long hole is formed in the middle part of the dehydrating agent layer 131, the pull rod 133 is inserted into the long hole of the dehydrating agent layer 131, and the lower end of the dehydrating agent layer 131 abuts against the limiting disc;
when the dehydrating agent layer 131 in one of the drying and adsorbing tubes 103 needs to be replaced, the cock 135 can be rotated to release the connection with the tube shell 100, the pull rod 133 is pulled outwards to make the piston 134 reach the upper end of the drying and adsorbing tube 103 and expose the dehydrating agent layer 131, the cock 135 is rotated and taken out from the pull rod 133 to slide out the dehydrating agent layer 131 outwards for replacement, at this time, the upper end of the drying and adsorbing tube 103 is sealed by the piston 134, and the dehydrating agent layer 131 is pushed back after replacement.
In order to reduce the adhesion of the water flow on the spiral blade 101, the outer wall surface of the spiral blade 101 is coated with a non-stick coating, which is a teflon coating.
It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it is obvious to those skilled in the art that several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an industrialization hydrogen chloride gas dehydration equipment that contains water which characterized in that: the air-conditioning device comprises a pipe shell (100), wherein a spiral blade (101) is arranged at the bottom end of an inner cavity of the pipe shell (100), the spiral blade (101) is of a hollow structure, the bottom end of the spiral blade (101) is in transmission connection with a driving motor through a hollow shaft (111) and is driven by the driving motor to rotate, an air inlet channel (112) and an air outlet channel (113) which are mutually isolated are formed in the hollow shaft (111), the air inlet channel (112) is communicated with the lower end of the inner cavity of the spiral blade (101), one end of the air outlet channel (113) is communicated with the upper end of the inner cavity of the spiral blade (101), and the other end of the air outlet channel (113) is communicated with the outside of the pipe shell (100);
the air inlet channel (112) is communicated with a refrigerating end of a vortex tube (200) installed on a tube shell (100) through a rotary tube joint, an air inlet is formed in the tube shell (100) below the spiral blade (101), the side part of the upper end of the tube shell (100) is communicated with an air outlet pipeline (102), and the bottom end of the tube shell (100) is connected with a liquid discharge valve.
2. The industrial aqueous hydrogen chloride gas dehydration plant according to claim 1, characterized in that: an outer sleeve (121) is sleeved on the outer wall of the air outlet pipeline (102), a gap is reserved between the outer sleeve (121) and the air outlet pipeline (102), and the gap is communicated with a hot end outlet of the vortex tube (200).
3. The industrial aqueous hydrogen chloride gas dehydration plant according to claim 1, characterized in that: the drying and adsorbing device is characterized in that a plurality of drying and adsorbing tubes (103) are hermetically inserted into the upper end of the tube shell (100), a dehydrating agent layer (131) is filled in the inner cavity of each drying and adsorbing tube (103), the lower ends of the drying and adsorbing tubes (103) are communicated with the inner cavity of the tube shell (100), and the upper ends of the drying and adsorbing tubes (103) are communicated with the air outlet pipeline (102) through an opening (132).
4. The apparatus for dehydrating industrial aqueous hydrogen chloride gas according to claim 3, wherein: the upper and lower both ends of dry adsorption tube (103) are uncovered, be provided with a pull rod (133) in dry adsorption tube (103), the lower extreme of this pull rod (133) stretches out to the outside of dry adsorption tube (103) and is connected with one and is used for with piston (134) of dry adsorption tube (103) sliding seal complex, the upper end of pull rod (133) stretches out to the tube (100) outside, sliding seal cover is equipped with cock (135) on pull rod (133), cock (135) pass through screw thread detachable sealing connection with tube (100), dehydrating agent layer (131) are cylindricly to detachable cover is established on pull rod (133).
5. The apparatus for dehydrating industrial aqueous hydrogen chloride gas according to claim 4, wherein: a limiting disc is arranged on the pull rod (133) and corresponds to the lower portion of the dehydrating agent layer (131), a long hole is formed in the middle of the dehydrating agent layer (131), the pull rod (133) is inserted into the long hole of the dehydrating agent layer (131), and the lower end of the dehydrating agent layer (131) abuts against the limiting disc.
6. The industrial dehydration plant for aqueous hydrogen chloride gas according to claim 1, characterized in that: the outer wall surface of the spiral blade (101) is coated with a non-stick coating, and the non-stick coating is a Teflon coating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679167 | 2021-12-31 | ||
| CN2021116791671 | 2021-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114931845A true CN114931845A (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210460243.8A Pending CN114931845A (en) | 2021-12-31 | 2022-04-28 | Industrial hydrous hydrogen chloride gas dehydration equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2329475A1 (en) * | 2000-12-11 | 2002-06-11 | Andrea Gibbs | Fast cycle psa with adsorbents sensitive to atmospheric humidity |
| CN110721557A (en) * | 2019-10-30 | 2020-01-24 | 马鞍山钢铁股份有限公司 | Device and method for drying and purifying compressed gas |
| CN210021669U (en) * | 2019-04-23 | 2020-02-07 | 苏州市泰利登净化设备有限公司 | Hydrogen dryer with pressure dehydration function |
| CN211397855U (en) * | 2019-12-19 | 2020-09-01 | 天津北洋泽来化工机械设备有限公司 | Air buffer tank |
| CN212188453U (en) * | 2020-03-30 | 2020-12-22 | 天津市声光制冷工贸有限公司 | Gas-liquid separation device for refrigeration house compressor |
-
2022
- 2022-04-28 CN CN202210460243.8A patent/CN114931845A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2329475A1 (en) * | 2000-12-11 | 2002-06-11 | Andrea Gibbs | Fast cycle psa with adsorbents sensitive to atmospheric humidity |
| CN210021669U (en) * | 2019-04-23 | 2020-02-07 | 苏州市泰利登净化设备有限公司 | Hydrogen dryer with pressure dehydration function |
| CN110721557A (en) * | 2019-10-30 | 2020-01-24 | 马鞍山钢铁股份有限公司 | Device and method for drying and purifying compressed gas |
| CN211397855U (en) * | 2019-12-19 | 2020-09-01 | 天津北洋泽来化工机械设备有限公司 | Air buffer tank |
| CN212188453U (en) * | 2020-03-30 | 2020-12-22 | 天津市声光制冷工贸有限公司 | Gas-liquid separation device for refrigeration house compressor |
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