CN212091657U - Falling film absorption device for absorbing hydrogen chloride gas by flucytosine - Google Patents
Falling film absorption device for absorbing hydrogen chloride gas by flucytosine Download PDFInfo
- Publication number
- CN212091657U CN212091657U CN202020687274.3U CN202020687274U CN212091657U CN 212091657 U CN212091657 U CN 212091657U CN 202020687274 U CN202020687274 U CN 202020687274U CN 212091657 U CN212091657 U CN 212091657U
- Authority
- CN
- China
- Prior art keywords
- absorption liquid
- absorption
- falling film
- alkali lye
- film absorber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a falling film absorption device for absorbing hydrogen chloride gas by flucytosine, which comprises an absorption unit, wherein the absorption unit comprises a falling film absorber, and a cooling component is also arranged in the falling film absorber; the circulating reaction unit comprises an absorption liquid temporary storage tank positioned below the falling film absorber, the absorption liquid temporary storage tank is provided with a liquid inlet, an alkali liquid inlet, a tap water inlet and an absorption liquid outlet, the absorption liquid outlet is connected with the absorption liquid inlet of the falling film absorber through an absorption liquid supply pipeline, and an absorption liquid inlet valve, an absorption liquid circulating pump and an absorption liquid outlet valve are sequentially arranged on the absorption liquid supply pipeline; and the alkali liquor supply unit comprises an alkali liquor elevated tank. The utility model has the advantages that: through mutual matching among the absorption unit, the circulating reaction unit and the alkali liquor supply unit, the hydrogen chloride gas is fully absorbed, the environment is not polluted, and the occupational hazards of field operation are eliminated.
Description
Technical Field
The utility model relates to a flucytosine production field, in particular to a falling film absorbing device for flucytosine absorbs hydrogen chloride gas.
Background
The action mechanism of the flucytosine antifungal drug is that the drug enters cells through an osmotic enzyme system of fungal cells and is converted into fluorouracil. Substitutes uracil into fungal deoxyribonucleic acid, thereby blocking nucleic acid synthesis. Flucytosine has good clinical fungus treatment effect, and is currently spotlighted by various pharmaceutical companies.
However, the presently disclosed fluorocytosine chlorination process generally adopts a common absorption tower to absorb hydrogen chloride gas; ordinary absorption tower is because absorption area of contact is little, and the solution heat that produces during the absorption can't in time be got rid of, and absorption liquid temperature rises, and the solubility of hydrogen chloride gas in the absorption liquid descends, leads to the absorption effect unsatisfactory, has more gas to distribute out during production, the polluted environment for the operation environment has great occupational hazard.
Therefore, a falling film absorption device for absorbing hydrogen chloride gas by flucytosine is needed, which ensures that the hydrogen chloride gas is fully absorbed, does not pollute the environment, and eliminates the occupational hazards of field operation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a falling film absorbing device that is used for fluorine cytosine absorption hydrogen chloride gas that absorption effect is good, reduce environmental pollution.
In order to solve the technical problem, the utility model adopts the technical scheme that: a falling film absorption device for absorbing hydrogen chloride gas by flucytosine has the innovation points that: comprises that
An absorption unit, the absorption unit includes the falling liquid film absorber, the upside of falling liquid film absorber has a gas vent, and the bottom side has a drain port, and the downside has a hydrogen chloride gas air inlet, and the upside has an absorption liquid inlet, still is provided with cooling module in the falling liquid film absorber, and cooling module is including setting up the cooling coil in the falling liquid film absorber, cooling coil's play water side stretches out from the upside of falling liquid film absorber, and installs the circulating water outlet valve on going out the water side, and cooling coil's the side of intaking stretches out from the downside of falling liquid film absorber, and installs circulating water intaking valve on the side of intaking
The circulating reaction unit comprises an absorption liquid temporary storage groove positioned below the falling film absorber, a liquid inlet communicated with a liquid outlet of the falling film absorber is arranged in the middle of the upper side of the absorption liquid temporary storage groove, an alkali liquid inlet and a tap water inlet are also arranged on the upper side of the absorption liquid temporary storage groove, a tap water inlet valve is also installed at the tap water inlet, an absorption liquid outlet is arranged on the lower side of the absorption liquid temporary storage groove, the absorption liquid outlet is connected with the absorption liquid inlet of the falling film absorber through an absorption liquid supply pipeline, and an absorption liquid inlet valve, an absorption liquid circulating pump and an absorption liquid outlet valve are also sequentially installed on the absorption liquid supply pipeline;
an alkali lye supplies the liquid unit, the alkali lye supplies the liquid unit to include an alkali lye elevated tank, has an alkali lye import at the upside of alkali lye elevated tank, and this alkali lye import department is connected with alkali lye flow supply pipe, installs the alkali lye measuring pump on alkali lye flow supply pipe, and the downside of alkali lye elevated tank has an alkali lye export, and this alkali lye import links to each other with the alkali lye inlet in absorption liquid temporary storage groove through alkali lye flow pipe, still installs the alkali lye inlet valve on alkali lye flow pipe.
Furthermore, a liquid level meter is further arranged on the absorption liquid temporary storage tank.
Furthermore, a PH meter is arranged on the absorption liquid temporary storage tank.
Furthermore, an absorption liquid drainage pipeline is connected between the absorption liquid circulating pump and the absorption liquid outlet valve on the absorption liquid supply pipeline, and the absorption liquid drainage valve is installed on the absorption liquid drainage pipeline.
The utility model has the advantages that: the utility model discloses a falling liquid film absorbing device, through absorption unit, circulation reaction unit, the liquid unit of supplying mutually supporting between, ensure that hydrogen chloride integument fully absorbs, non-staining environment eliminates the occupational hazard of site operation.
The cooling component is arranged to cool the interior of the falling film absorber, so that the problem that the solubility of the hydrogen chloride is reduced due to the temperature rise of the hydrogen chloride gas during the neutralization reaction with the alkali liquor is avoided, and the absorption effect of the hydrogen chloride gas is ensured.
The liquid level meter installed on the absorption liquid temporary storage tank is used for monitoring the liquid level in the absorption liquid temporary storage tank in real time so as to be conveniently matched with a tap water inlet valve, timely supplementing water to the absorption liquid temporary storage tank and ensuring the circulating pumping of the absorption liquid.
The PH meter of installation on the absorption liquid groove of keeping in, then be in order to keep in the absorption liquid the pH value of the absorption liquid of inslot and carry out real-time supervision to conveniently go out liquid valve, absorption liquid flowing back valve with the absorption liquid and cooperate, in time discharge in time the absorption liquid that the pH value is low and change new alkali lye, ensure the absorption effect to the hydrogen chloride gas.
The design of absorption liquid flowing back pipeline and absorption liquid flowing back valve is then when the pH value of the absorption liquid in the absorption liquid temporary storage tank is too low, on the basis of not stopping production, in time with the absorption liquid discharge in the absorption liquid temporary storage tank to conveniently add new alkali lye, ensure the absorption to the hydrogen chloride gas, realize serialization production.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the falling film absorption device for absorbing hydrogen chloride gas by fluorocytosine of the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
A falling film absorption device for absorbing hydrogen chloride gas by fluorocytosine shown in FIG. 1 comprises
An absorption unit, the absorption unit includes falling film absorber 20, the upside of falling film absorber 20 has an exhaust port, be connected with a vertical exhaust duct 5 that upwards extends in this exhaust port department, the bottom side of falling film absorber 20 has a drainage mouth, the downside of falling film absorber 20 has a hydrogen chloride gas inlet, it has a hydrogen chloride gas supply line to link at this hydrogen chloride gas inlet, install hydrogen chloride gas admission valve 19 on the hydrogen chloride gas supply line, the upside of falling film absorber 20 has an absorption liquid inlet.
A cooling component is further arranged in the falling film absorber 20, the cooling component comprises a cooling coil 21 arranged in the falling film absorber 20, the water outlet side of the cooling coil 21 extends out from the upper side of the falling film absorber 20, a circulating water outlet valve 4 is arranged on the water outlet side of the cooling coil 21, the water inlet side of the cooling coil 21 extends out from the lower side of the falling film absorber 20, and a circulating water inlet valve 14 is arranged on the water inlet side of the cooling coil 21. The cooling component is arranged to cool the interior of the falling film absorber 20, so as to avoid the decrease of the solubility of the hydrogen chloride caused by the temperature rise of the hydrogen chloride gas during the neutralization reaction with the alkali liquor, and ensure the absorption effect of the hydrogen chloride gas.
A circulating reaction unit, which comprises an absorption liquid temporary storage tank 13 positioned below the falling film absorber 20, a liquid inlet communicated with a liquid outlet of the falling film absorber 20 is arranged at the middle position of the upper side of the absorption liquid temporary storage tank 13, the upper side of the absorption liquid temporary storage tank 13 is also provided with an alkali liquid inlet and a tap water inlet, the tap water inlet is connected with a tap water supply pipe, a tap water inlet valve 12 is arranged on a tap water supply pipe, an absorption liquid outlet is arranged at the lower side of the absorption liquid temporary storage tank 13, the absorbing liquid outlet is connected with the absorbing liquid inlet of the falling film absorber 20 through an absorbing liquid supply pipeline 6, an absorption liquid inlet valve 11, an absorption liquid circulating pump 10 and an absorption liquid outlet valve 7 are further sequentially mounted on the absorption liquid supply pipeline 6, and the absorption liquid inlet valve 11 is located on one side close to the absorption liquid temporary storage tank 13.
An absorption liquid drainage pipeline 9 is also connected between the absorption liquid circulating pump 10 and the absorption liquid outlet valve 7 on the absorption liquid supply pipeline 6, and an absorption liquid drainage valve 8 is installed on the absorption liquid drainage pipeline 9. The design of the absorption liquid drainage pipeline 9 and the absorption liquid drainage valve 8 is to discharge the absorption liquid in the absorption liquid temporary storage tank 13 in time on the basis of non-stop production when the pH value of the absorption liquid in the absorption liquid temporary storage tank 13 is too low, so as to conveniently add new alkali liquor, ensure the absorption of hydrogen chloride gas and realize continuous production.
A liquid level meter 15 is also provided on the absorption liquid temporary storage tank 13. The liquid level meter 15 installed on the absorption liquid temporary storage tank 13 is used for monitoring the liquid level in the absorption liquid temporary storage tank 13 in real time so as to be conveniently matched with the tap water inlet valve 12, supplementing water in the absorption liquid temporary storage tank 13 in time and ensuring the circulating pumping of the absorption liquid.
A PH meter 16 is also provided in the absorbing liquid temporary storage tank 13. The PH meter 16 installed on the absorption liquid temporary storage tank 13 is used for monitoring the PH value of the absorption liquid in the absorption liquid temporary storage tank 13 in real time, so that the absorption liquid temporary storage tank is conveniently matched with the absorption liquid outlet valve 7 and the absorption liquid drain valve 8, the absorption liquid with a low PH value is timely discharged and is replaced by new alkali liquor, and the absorption effect of hydrogen chloride gas is ensured.
An alkali lye supplies the liquid unit, the alkali lye supplies the liquid unit to include an alkali lye elevated tank 3, the upside in alkali lye elevated tank 3 has an alkali lye import, this alkali lye import department is connected with alkali lye flow supply pipe 2, install alkali lye measuring pump 1 on alkali lye flow supply pipe 2, the downside in alkali lye elevated tank 3 has an alkali lye export, this alkali lye import links to each other with the alkali lye inlet of absorption liquid temporary storage tank 13 through alkali lye liquid outlet pipe 18, still install alkali lye inlet valve 17 on alkali lye liquid outlet pipe 18.
The working principle is as follows: when the hydrogen chloride gas is absorbed, firstly, a tap water inlet valve 12 is opened, an absorption liquid discharge valve 8 is closed, tap water is added into an absorption liquid temporary storage tank 13 to reach a required liquid level, the tap water inlet valve 12 is closed, then an alkali liquor metering pump 1 is opened, the alkali liquor is pumped into an alkali liquor elevated tank 3, then an alkali liquor inlet valve 17 is opened, the alkali liquor in the alkali liquor elevated tank 3 is sent into the absorption liquid temporary storage tank 13 until a specified PH value is reached, the alkali liquor metering pump 1 and the alkali liquor inlet valve 17 are closed, a circulating water inlet valve 14 and a circulating water outlet valve 4 are opened, circulating water passes through a cooling coil 21, the falling film absorber 20 is cooled, then an absorption liquid inlet valve 11, an absorption liquid circulating pump 10 and an absorption liquid outlet valve 7 are opened, the alkali liquor in the absorption liquid temporary storage tank is pumped into the falling film absorber 20, and a hydrogen chloride gas inlet valve 19 is opened, introducing hydrogen chloride gas into the falling film absorber 20, performing neutralization reaction with the hydrogen chloride gas through alkali liquor, realizing the absorption of the hydrogen chloride gas, enabling the absorption liquid after the reaction to fall back into the absorption liquid temporary storage tank 13, simultaneously, monitoring the pH value in the absorption liquid temporary storage tank 13 in real time by using a pH meter 16, when the pH value is reduced to a specified value, indicating that most of the alkali liquor has been consumed by reaction with the hydrogen chloride gas, closing the absorption liquid outlet valve 7, opening the absorption liquid outlet valve 8, discharging the absorption liquid in the absorption liquid temporary storage tank 13 from the absorption liquid discharge pipeline 9, opening the alkali liquor metering pump 1 and the alkali liquor inlet valve 17, adding new alkali liquor into the absorption liquid temporary storage tank 13, closing the absorption liquid discharge valve 8 after the pH value is restored to the specified value, opening the absorption liquid outlet valve 7, and continuously absorbing the hydrogen chloride gas. And the process is circulated.
The utility model discloses a falling liquid film absorbing device, through absorption unit, circulation reaction unit, the liquid unit of supplying mutually supporting between, ensure that hydrogen chloride integument fully absorbs, non-staining environment eliminates the occupational hazard of site operation.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A falling film absorption device for absorbing hydrogen chloride gas by flucytosine is characterized in that: comprises that
The absorption unit comprises a falling film absorber, the upper side of the falling film absorber is provided with an exhaust port, the bottom side of the falling film absorber is provided with a liquid exhaust port, the lower side of the falling film absorber is provided with a hydrogen chloride gas inlet, the upper side of the falling film absorber is provided with an absorption liquid inlet, a cooling assembly is further arranged in the falling film absorber, the cooling assembly comprises a cooling coil pipe arranged in the falling film absorber, the water outlet side of the cooling coil pipe extends out of the upper side of the falling film absorber, a circulating water outlet valve is arranged on the water outlet side, the water inlet side of the cooling coil pipe extends out of the lower side of the falling film absorber, and a circulating water inlet valve;
the circulating reaction unit comprises an absorption liquid temporary storage groove positioned below the falling film absorber, a liquid inlet communicated with a liquid outlet of the falling film absorber is arranged in the middle of the upper side of the absorption liquid temporary storage groove, an alkali liquid inlet and a tap water inlet are also arranged on the upper side of the absorption liquid temporary storage groove, a tap water inlet valve is also installed at the tap water inlet, an absorption liquid outlet is arranged on the lower side of the absorption liquid temporary storage groove, the absorption liquid outlet is connected with the absorption liquid inlet of the falling film absorber through an absorption liquid supply pipeline, and an absorption liquid inlet valve, an absorption liquid circulating pump and an absorption liquid outlet valve are also sequentially installed on the absorption liquid supply pipeline;
an alkali lye supplies the liquid unit, the alkali lye supplies the liquid unit to include an alkali lye elevated tank, has an alkali lye import at the upside of alkali lye elevated tank, and this alkali lye import department is connected with alkali lye flow supply pipe, installs the alkali lye measuring pump on alkali lye flow supply pipe, and the downside of alkali lye elevated tank has an alkali lye export, and this alkali lye import links to each other with the alkali lye inlet in absorption liquid temporary storage groove through alkali lye flow pipe, still installs the alkali lye inlet valve on alkali lye flow pipe.
2. The falling film absorption apparatus for fluorocytosine absorption of hydrogen chloride gas according to claim 1, wherein: and a liquid level meter is also arranged on the absorption liquid temporary storage tank.
3. The falling film absorption apparatus for fluorocytosine absorption of hydrogen chloride gas according to claim 1, wherein: and a PH meter is also arranged on the absorption liquid temporary storage tank.
4. The falling film absorption apparatus for fluorocytosine absorption of hydrogen chloride gas according to claim 1, wherein: and an absorption liquid drainage pipeline is also connected between the absorption liquid circulating pump and the absorption liquid outlet valve on the absorption liquid supply pipeline, and an absorption liquid drainage valve is installed on the absorption liquid drainage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687274.3U CN212091657U (en) | 2020-04-29 | 2020-04-29 | Falling film absorption device for absorbing hydrogen chloride gas by flucytosine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687274.3U CN212091657U (en) | 2020-04-29 | 2020-04-29 | Falling film absorption device for absorbing hydrogen chloride gas by flucytosine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212091657U true CN212091657U (en) | 2020-12-08 |
Family
ID=73619072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020687274.3U Active CN212091657U (en) | 2020-04-29 | 2020-04-29 | Falling film absorption device for absorbing hydrogen chloride gas by flucytosine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212091657U (en) |
-
2020
- 2020-04-29 CN CN202020687274.3U patent/CN212091657U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205027159U (en) | Flue gas waste heat recovery system | |
| CN103836862B (en) | A kind of cooling water temperature device and cool-down method | |
| CN208372807U (en) | A kind of production ammonium sulfate absorption tower | |
| CN106091543A (en) | A kind of closed-type circulating cooling water system | |
| CN105536482A (en) | Asphalt fume treatment device for asphalt modifying process | |
| CN212091657U (en) | Falling film absorption device for absorbing hydrogen chloride gas by flucytosine | |
| CN104607014B (en) | Energy-saving process for heating tail gas by using surplus steam | |
| CN205361039U (en) | Modified for technology pitch smoke treatment device of pitch | |
| CN202061615U (en) | Reactor for recovering sulfur in low-concentration acid gas | |
| CN207350991U (en) | A kind of totally-enclosed heat exchange cycle water system | |
| CN202002399U (en) | Heat exchange pipe and generator for ammonia water absorption refrigerating machine for ship | |
| CN202898063U (en) | Continuous biological waste liquor inactivation system | |
| CN107774005B (en) | A kind of exhaust treatment system and method for acid regeneration unit | |
| CN202074677U (en) | Gas-water surplus heat recycling device | |
| CN207169411U (en) | A kind of drop ammonia device circulated using cleaning solution | |
| CN111364195A (en) | Intelligent energy-saving water-saving recycling system | |
| CN207066171U (en) | It is a kind of that there is energy-efficient cooling tower | |
| CN218348971U (en) | Energy-saving centralized cooling gas supply system of synthesis furnace | |
| CN214401048U (en) | Pre-shrinking machine cooling water recycling system | |
| CN220283686U (en) | Desulfurization waste water concentration decrement device | |
| CN219942327U (en) | High-efficient circulating hydrogen desulfurizing tower with outside accuse temperature ability | |
| CN109876514A (en) | A kind of energy-saving absorption tower with heat reuse unit | |
| CN221077366U (en) | Low-temperature methanol washing heat exchange device | |
| CN202599144U (en) | Closed cooling tower | |
| CN218349273U (en) | Air compressor waste heat recovery system for gasifying liquid carbon dioxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |