CN112007431A - Chlorinated paraffin tail gas pretreatment method and treatment equipment thereof - Google Patents
Chlorinated paraffin tail gas pretreatment method and treatment equipment thereof Download PDFInfo
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- CN112007431A CN112007431A CN201910470426.6A CN201910470426A CN112007431A CN 112007431 A CN112007431 A CN 112007431A CN 201910470426 A CN201910470426 A CN 201910470426A CN 112007431 A CN112007431 A CN 112007431A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- 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
- B01D53/007—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 by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/263—Drying gases or vapours by absorption
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
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- B01D2257/2025—Chlorine
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- B01D2257/2045—Hydrochloric acid
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Abstract
The invention relates to the technical field of chlorinated paraffin tail gas treatment, and discloses a chlorinated paraffin tail gas pretreatment method and a treatment device thereof. According to the chlorinated paraffin tail gas pretreatment method and the treatment equipment thereof, centrifugal force is generated when tail gas firstly passes through the spiral pipe, alkane liquid drops in the tail gas are thrown to the inner wall of the spiral pipe under the action of the centrifugal force and are gathered to form alkane liquid drops, the alkane liquid drops slide to the inner part of the collection barrel along the inner wall of the spiral pipe under the action of gravity to be collected, simplification of the cyclone separation equipment in the treatment process of chlorinated paraffin tail gas is realized, and the chlorinated paraffin tail gas pretreatment method and the treatment equipment are convenient to popularize and use in small-sized factories.
Description
Technical Field
The invention relates to the technical field of chlorinated paraffin tail gas treatment, in particular to a chlorinated paraffin tail gas pretreatment method and treatment equipment thereof.
Background
Chlorinated paraffin is a derivative generated by chlorinating paraffin, has the advantages of low volatilization, flame retardance, insulation, low price and the like, and is widely applied to producing products such as cables, bottom plates, artificial leather, rubber and the like. The tail gas of the current common chlorinated paraffin preparation method mainly comprises alkane liquid drops, hydrogen chloride gas and unreacted chlorine.
The common tail gas treatment method is to remove alkane in the tail gas through a cyclone separator and then introduce the tail gas into a synthesis furnace to burn and synthesize hydrogen chloride gas, but the method has higher requirements on equipment and is not convenient for popularization and use in small factories, and only one hydrogen chloride gas is a byproduct after waste gas treatment, so the economic value is not high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a chlorinated paraffin tail gas pretreatment method and a treatment device thereof, which have the advantages of simple and reasonable device structure, reduction of the cost of the device while ensuring the treatment effect, convenience for popularization and use in small-sized factories, capability of generating various treatment byproducts, improvement of the economic value of tail gas treatment and the like, and solve the problems of higher requirements of the common chlorinated paraffin tail gas pretreatment method and the treatment device thereof on the treatment device, inconvenience for popularization and use in small-sized factories, single treatment product and low economic value.
(II) technical scheme
In order to realize the purposes that the structure of the equipment is simple and reasonable, the cost of the equipment is reduced while the treatment effect is ensured, the equipment is convenient to popularize and use in small factories, various treatment byproducts can be generated, and the economic value of tail gas treatment is improved, the invention provides the following technical scheme: the utility model provides a chlorinated paraffin tail gas pre treatment device, includes intake pipe, collecting vessel and retort, the outer wall of intake pipe and the air inlet fixed connection of collecting vessel, the inside fixed mounting of collecting vessel upper right side gas outlet has the spiral pipe, the bottom fixed mounting of spiral pipe has the base, the fixed intercommunication in left side below position department of the right-hand member of spiral pipe and retort, liquid water is equipped with to the inside of retort, the right-hand member of spiral pipe is located below the liquid water liquid level, the inside fixed mounting of the positive upper portion water inlet of retort has the inlet tube, the inside top surface fixed mounting of retort has the fluorescent tube, the inside fixed mounting of retort right side bottom discharge port has the delivery pipe, the inside fixed mounting of retort top surface gas vent has the blast pipe, the top fixed mounting of blast pipe has drying device.
Preferably, the number of guide vane is six, six the guide vane is evenly distributed at the inner wall of cylinder, the discharge port fixed mounting of collecting vessel bottom has the check valve, the check valve is the normally closed state.
Preferably, the front surface of the collecting barrel is provided with an inner peeping window, and a transparent glass plate is embedded in the inner peeping window.
Preferably, the diameter of the spiral pipe is larger than that of the air inlet pipe, and the number of turns of the spiral pipe is positively correlated with the alkane content in the chlorinated paraffin tail gas.
Preferably, the spiral pipe is in the shape of an upward spiral circular pipe.
Preferably, the inner wall of the spiral pipe is coated with a paraffin wax coating.
Preferably, the drying device comprises a bottom box, a drying layer and a top cover, wherein the drying layer is made of sodium hydroxide powder.
An operation method of chlorinated paraffin tail gas pretreatment equipment comprises the following working procedures:
s1, firstly, introducing chlorinated paraffin tail gas into the collecting barrel and the spiral pipe from the gas inlet pipe, wherein the tail gas firstly fills the inner cavity of the collecting barrel and then enters the spiral pipe;
s2, the tail gas rises spirally along the inner wall of the spiral pipe when passing through the spiral pipe, a centrifugal effect is generated in the process, alkane liquid drops in the tail gas are thrown to the inner wall of the outer side of the spiral pipe under the action of the centrifugal force and are gathered into alkane liquid drops, and the alkane liquid drops slide to the inner part of the collecting barrel along the inner wall of the spiral pipe;
s3, observing the collection amount of the liquid alkane from the transparent glass plate and the endoscopic window, and opening the one-way valve to discharge the liquid alkane after the liquid alkane in the collection barrel is collected more;
s4, enabling the tail gas without alkane droplets to enter the reaction barrel through the inner cavity of the spiral pipe to be in contact with liquid water in the reaction barrel, firstly, dissolving hydrogen chloride gas in the tail gas into the liquid water to generate hydrochloric acid, secondly, enabling chlorine gas mixed in the tail gas to react with the liquid water to generate hypochlorous acid, and decomposing the hypochlorous acid through illumination of the lamp tube to generate hydrochloric acid and oxygen, and adding the liquid water into the reaction barrel through the water inlet pipe to enable the chlorine gas to react with the liquid water more fully;
s5, discharging hydrochloric acid through a discharge pipe, discharging oxygen through a discharge pipe, drying the oxygen through a drying device when the oxygen is discharged, and absorbing a small amount of moisture, hydrogen chloride molecules and chlorine possibly contained in the oxygen through a drying layer in the drying device to improve the purity of the oxygen.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the chlorinated paraffin tail gas pretreatment method and the treatment equipment thereof, centrifugal force is generated when tail gas firstly passes through the spiral pipe, alkane liquid drops in the tail gas are thrown to the inner wall of the spiral pipe under the action of the centrifugal force and are gathered to form alkane liquid drops, the alkane liquid drops slide to the inner part of the collection barrel along the inner wall of the spiral pipe under the action of gravity to be collected, simplification of the cyclone separation equipment in the treatment process of chlorinated paraffin tail gas is realized, and the chlorinated paraffin tail gas pretreatment method and the treatment equipment are convenient to popularize and use in small-sized factories.
2. According to the chlorinated paraffin tail gas pretreatment method and the treatment equipment thereof, the tail gas after alkane removal is introduced into water, on one hand, hydrogen chloride gas in the tail gas is dissolved to generate hydrochloric acid, on the other hand, chlorine gas in the tail gas reacts with water to generate hypochlorous acid, illumination is performed to automatically decompose the hypochlorous acid to generate hydrochloric acid and oxygen, and finally, the hydrochloric acid and the oxygen are respectively discharged and collected, so that various byproducts are generated by utilizing the tail gas of chlorinated paraffin, and the economic value is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of a collector barrel according to the present invention;
FIG. 3 is a schematic view of a spiral tube structure according to the present invention;
FIG. 4 is a sectional view of the inner structure of the reaction barrel according to the present invention;
fig. 5 is an exploded view of a drying apparatus according to the present invention.
In the figure: 1. an air inlet pipe; 2. a collection barrel; 201. a one-way valve; 202. an endoscope window; 203. a transparent glass plate; 3. a spiral tube; 301. coating with paraffin; 302. a base; 4. a reaction barrel; 401. liquid water; 402. a lamp tube; 5. a water inlet pipe; 6. a discharge pipe; 7. an exhaust pipe; 8. a drying device; 801. a bottom case; 802. drying the layer; 803. and a top cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a chlorinated paraffin tail gas pretreatment device comprises an air inlet pipe 1, a collecting barrel 2 and a reaction barrel 4, wherein the outer wall of the air inlet pipe 1 is fixedly connected with an air inlet of the collecting barrel 2, a one-way valve 201 is fixedly installed at a discharge outlet at the bottom of the collecting barrel 2 and is used for discharging liquid paraffin collected in the collecting barrel 2, the one-way valve 201 is in a normally closed state, only when the one-way valve 201 is opened, the liquid paraffin in the collecting barrel 2 can be discharged through the one-way valve 201, an inner peeping window 202 is arranged on the front surface of the collecting barrel 2, a transparent glass plate 203 is embedded in the inner peeping window 202, so that the collection amount of the liquid paraffin in the collecting barrel 2 can be observed through the transparent glass plate 203, the timing of opening the one-way valve 201 is judged, a spiral pipe 3 is fixedly installed in an air outlet at the upper right side of the collecting, thereby promote the gathering of alkane liquid drop to form the liquid bead, the diameter of spiral pipe 3 is greater than the diameter of intake pipe 1, play and carry out the effect of buffering the speed of tail gas, guarantee that alkane liquid bead can the landing under the effect of gravity, the number of turns of spiral pipe 3 is positive correlation with the content of alkane in the chlorinated paraffin tail gas, thereby guarantee to make the alkane liquid bead in the tail gas separate totally, the shape of spiral pipe 3 is the pipe of upwards spiral, the inner wall of spiral pipe 3 scribbles paraffin coating 301, be used for improving the smoothness degree of spiral pipe 3 inner wall, be convenient for alkane liquid bead can slide downwards along the inner wall of spiral pipe 3, the bottom fixed mounting of spiral pipe 3 has base 302, be used for supporting spiral pipe 3, the right-hand member of spiral pipe 3 and the fixed intercommunication in left below position department of reaction barrel 4, liquid water 401 is equipped with inside reaction barrel 4, the right-, the hydrogen chloride gas in the tail gas is conveniently absorbed by the liquid water 401, and the chlorine gas in the tail gas can be ensured to fully react with the liquid water 401, the water inlet pipe 5 is fixedly arranged in the water inlet at the upper part of the front surface of the reaction barrel 4, the liquid water 401 is added into the reaction barrel 4 through the water inlet pipe 5, so that the chlorine gas and the liquid water 401 can move forward, namely move in the direction of generating the hypochlorous acid, the lamp tube 402 is fixedly arranged on the top surface of the interior of the reaction barrel 4, the liquid water 401 and the hypochlorous acid in the liquid water 401 are illuminated by the lamp tube 402, the decomposition of the hypochlorous acid is promoted, so that the hydrochloric acid and the oxygen gas are generated, the reaction forward movement of the chlorine gas and the liquid water 401 is promoted again through consuming the hypochlorous acid, the discharge pipe 6 is fixedly arranged in the interior of the discharge port at the bottom of the right, the device is used for discharging oxygen escaped from the liquid water 401, the opening and closing of the exhaust pipe 6 and the exhaust pipe 7 can be adjusted according to the state of tail gas treatment, namely the exhaust pipe 7 and the exhaust pipe 6 are closed when tail gas is introduced for treatment, the exhaust pipe 6 and the exhaust pipe 7 are opened to discharge byproducts after tail gas introduction is stopped and hypochlorous acid inside the reaction barrel 4 is fully decomposed, the drying device 8 is fixedly installed at the top of the exhaust pipe 7, the drying device 8 comprises a bottom box 801, a drying layer 802 and a top cover 803, the drying layer 802 is made of sodium hydroxide powder and used for absorbing moisture in the oxygen escaped from the liquid water and absorbing a small amount of hydrochloric acid molecules and chlorine escaped along with the oxygen.
An operation method of chlorinated paraffin tail gas pretreatment equipment comprises the following working procedures:
s1, firstly, introducing chlorinated paraffin tail gas into the collecting barrel 2 and the spiral tube 3 from the gas inlet pipe 1, wherein the tail gas firstly fills the inner cavity of the collecting barrel 2 and then enters the spiral tube 3;
s2, the tail gas rises spirally along the inner wall of the spiral tube 3 when passing through the spiral tube 3, a centrifugal effect is generated in the process, alkane liquid drops in the tail gas are thrown to the inner wall of the outer side of the spiral tube 3 under the action of the centrifugal force and are gathered into alkane liquid beads, and the alkane liquid beads slide down to the inner part of the collecting barrel 2 along the inner wall of the spiral tube 3;
s3, observing the collection amount of the liquid alkane from the transparent glass plate 203 and the endoscopic window 202, and opening the one-way valve 201 to discharge the liquid alkane after the liquid alkane in the collection barrel 2 is collected more;
s4, enabling the tail gas without alkane liquid drops to enter the reaction barrel 4 through the inner cavity of the spiral pipe 3 to be in contact with liquid water 401 in the reaction barrel, firstly, dissolving hydrogen chloride gas in the tail gas in the liquid water 401 to generate hydrochloric acid, secondly, enabling chlorine gas mixed in the tail gas to react with the liquid water 401 to generate hypochlorous acid, decomposing the hypochlorous acid through illumination of the lamp tube 402 to generate hydrochloric acid and oxygen, and adding the liquid water 401 into the reaction barrel 4 through the water inlet pipe 5 to enable the chlorine gas to react with the liquid water 401 more fully;
s5, discharging hydrochloric acid through the discharge pipe 6, discharging oxygen through the discharge pipe 7, drying the oxygen through the drying device 8 when discharging the oxygen, and absorbing a small amount of moisture, hydrogen chloride molecules and chlorine possibly contained in the oxygen through the drying layer 802 to improve the purity of the oxygen.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a chlorinated paraffin tail gas pretreatment equipment, includes intake pipe (1), collecting vessel (2) and reaction barrel (4), its characterized in that: the outer wall of intake pipe (1) and the air inlet fixed connection of collecting vessel (2), the inside fixed mounting of collecting vessel (2) upper right side gas outlet has spiral pipe (3), the bottom fixed mounting of spiral pipe (3) has base (302), the right-hand member of spiral pipe (3) and the fixed intercommunication of left side below position department of reacting vessel (4), liquid water (401) are equipped with to the inside of reacting vessel (4), the right-hand member of spiral pipe (3) is located below liquid water (401) liquid level, the inside fixed mounting of the positive upper portion water inlet of reacting vessel (4) has inlet tube (5), the inside top surface fixed mounting of reacting vessel (4) has fluorescent tube (402), the inside fixed mounting of reacting vessel (4) right side bottom discharge port has delivery pipe (6), the inside fixed mounting of reacting vessel (4) top surface gas vent has blast pipe (7), and a drying device (8) is fixedly mounted at the top of the exhaust pipe (7).
2. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: the discharge port fixed mounting of collecting vessel (2) bottom has check valve (201), check valve (201) are the normally closed state.
3. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: an inner peeping window (202) is formed in the front face of the collecting barrel (2), and a transparent glass plate (203) is embedded in the inner peeping window (202).
4. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: the diameter of the spiral pipe (3) is larger than that of the air inlet pipe (1), and the number of turns of the spiral pipe (3) is in positive correlation with the content of alkane in the chlorinated paraffin tail gas.
5. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: the shape of the spiral pipe (3) is an upward spiral round pipe.
6. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: the inner wall of the spiral pipe (3) is coated with a paraffin coating (301).
7. The chlorinated paraffin tail gas pretreatment equipment according to claim 1, characterized in that: the drying device (8) comprises a bottom box (801), a drying layer (802) and a top cover (803), wherein the drying layer (802) is made of sodium hydroxide powder.
8. The operation method of the chlorinated paraffin tail gas pretreatment equipment is characterized by comprising the following working procedures:
s1, firstly, introducing chlorinated paraffin tail gas into the collecting barrel (2) and the spiral tube (3) from the gas inlet pipe (1), wherein the tail gas firstly fills the inner cavity of the collecting barrel (2) and then enters the spiral tube (3);
s2, the tail gas rises spirally along the inner wall of the spiral pipe (3) when passing through the spiral pipe (3), a centrifugal effect is generated in the process, alkane liquid drops in the tail gas are thrown to the inner wall of the outer side of the spiral pipe (3) under the action of the centrifugal force and are aggregated into alkane liquid drops, and the alkane liquid drops slide down to the inner part of the collection barrel (2) along the inner wall of the spiral pipe (3);
s3, observing the collection amount of the liquid alkane from the transparent glass plate (203) and the endoscopic window (202), and opening the one-way valve (201) to discharge the liquid alkane after the liquid alkane in the collection barrel (2) is collected more;
s4, enabling the tail gas without alkane liquid drops to enter a reaction barrel (4) through an inner cavity of a spiral pipe (3) and to be in contact with liquid water (401) in the reaction barrel, firstly, dissolving hydrogen chloride gas in the tail gas in the liquid water (401) to generate hydrochloric acid, secondly, enabling chlorine gas mixed in the tail gas to react with the liquid water (401) to generate hypochlorous acid, decomposing the hypochlorous acid through illumination of a lamp tube (402) to generate hydrochloric acid and oxygen, and adding the liquid water (401) into the reaction barrel (4) through a water inlet pipe (5) to enable the chlorine gas to react with the liquid water (401) more fully;
s5, finally, discharging hydrochloric acid through a discharge pipe (6), discharging oxygen through a discharge pipe (7), drying the oxygen through a drying device (8) during discharging, and absorbing a small amount of moisture, hydrogen chloride molecules and chlorine possibly contained in the oxygen through a drying layer (802) in the oxygen to improve the purity of the oxygen.
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| CN201910470426.6A CN112007431A (en) | 2019-05-31 | 2019-05-31 | Chlorinated paraffin tail gas pretreatment method and treatment equipment thereof |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211609A (en) * | 1997-07-16 | 1999-03-24 | 舒曼·萨索尔股份有限两合公司 | Process and apparatus for obtaining paraffins or paraffin fractions |
| US20020098133A1 (en) * | 1997-12-22 | 2002-07-25 | Jewell Dennis Wade | Production of one or more useful products from lesser value halogenated materials |
| CN102186570A (en) * | 2008-10-20 | 2011-09-14 | 旭有机材工业株式会社 | Helical fluid mixer and device using helical fluid mixer |
| CN202099254U (en) * | 2011-06-23 | 2012-01-04 | 宜兴市宝光耐火电瓷有限公司 | Device for recovering paraffins produced in ceramic production process of industrial electrical equipment |
| CN102602892A (en) * | 2012-04-11 | 2012-07-25 | 烟台万华聚氨酯股份有限公司 | Method for preparing chlorine gas through catalytic oxidation of hydrogen chloride |
| CN203820449U (en) * | 2014-04-29 | 2014-09-10 | 天津市郁峰化工有限公司 | System for recycling waste gas generated in production of calcium hypochlorite |
| CN204208444U (en) * | 2014-10-22 | 2015-03-18 | 丹阳市助剂化工厂有限公司 | A kind of Chlorcosane tail gas treatment system |
| CN204233960U (en) * | 2014-11-14 | 2015-04-01 | 新特能源股份有限公司 | The treating apparatus of the tail gas that a kind of white carbon black production obtains and system |
| CN204637794U (en) * | 2014-12-31 | 2015-09-16 | 天津渤化中河化工有限公司 | Backflow separatory venting device in a kind of whirlwind |
| CN105013306A (en) * | 2014-04-29 | 2015-11-04 | 天津市郁峰化工有限公司 | Chlorine gas circulating absorption system |
| CN205241234U (en) * | 2015-12-11 | 2016-05-18 | 江西晶安高科技股份有限公司 | Hydrogen chloride gas recovery unit |
| US20170106333A1 (en) * | 2015-10-19 | 2017-04-20 | Peter C. Zhu | Method and Apparatus for Purification and Treatment of Air |
| CN207025042U (en) * | 2017-07-24 | 2018-02-23 | 南京国威化工有限公司 | A kind of Chlorcosane tail gas processing unit |
| CN107961664A (en) * | 2017-11-30 | 2018-04-27 | 中国科学院大连化学物理研究所 | A kind of multistage tank type waste gas purification recovery device |
| US20180311615A1 (en) * | 2015-10-23 | 2018-11-01 | I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini | Device and method for purifying exhaust gas from endothermic engines |
-
2019
- 2019-05-31 CN CN201910470426.6A patent/CN112007431A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211609A (en) * | 1997-07-16 | 1999-03-24 | 舒曼·萨索尔股份有限两合公司 | Process and apparatus for obtaining paraffins or paraffin fractions |
| US20020098133A1 (en) * | 1997-12-22 | 2002-07-25 | Jewell Dennis Wade | Production of one or more useful products from lesser value halogenated materials |
| CN102186570A (en) * | 2008-10-20 | 2011-09-14 | 旭有机材工业株式会社 | Helical fluid mixer and device using helical fluid mixer |
| CN202099254U (en) * | 2011-06-23 | 2012-01-04 | 宜兴市宝光耐火电瓷有限公司 | Device for recovering paraffins produced in ceramic production process of industrial electrical equipment |
| CN102602892A (en) * | 2012-04-11 | 2012-07-25 | 烟台万华聚氨酯股份有限公司 | Method for preparing chlorine gas through catalytic oxidation of hydrogen chloride |
| CN105013306A (en) * | 2014-04-29 | 2015-11-04 | 天津市郁峰化工有限公司 | Chlorine gas circulating absorption system |
| CN203820449U (en) * | 2014-04-29 | 2014-09-10 | 天津市郁峰化工有限公司 | System for recycling waste gas generated in production of calcium hypochlorite |
| CN204208444U (en) * | 2014-10-22 | 2015-03-18 | 丹阳市助剂化工厂有限公司 | A kind of Chlorcosane tail gas treatment system |
| CN204233960U (en) * | 2014-11-14 | 2015-04-01 | 新特能源股份有限公司 | The treating apparatus of the tail gas that a kind of white carbon black production obtains and system |
| CN204637794U (en) * | 2014-12-31 | 2015-09-16 | 天津渤化中河化工有限公司 | Backflow separatory venting device in a kind of whirlwind |
| US20170106333A1 (en) * | 2015-10-19 | 2017-04-20 | Peter C. Zhu | Method and Apparatus for Purification and Treatment of Air |
| US20180311615A1 (en) * | 2015-10-23 | 2018-11-01 | I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini | Device and method for purifying exhaust gas from endothermic engines |
| CN205241234U (en) * | 2015-12-11 | 2016-05-18 | 江西晶安高科技股份有限公司 | Hydrogen chloride gas recovery unit |
| CN207025042U (en) * | 2017-07-24 | 2018-02-23 | 南京国威化工有限公司 | A kind of Chlorcosane tail gas processing unit |
| CN107961664A (en) * | 2017-11-30 | 2018-04-27 | 中国科学院大连化学物理研究所 | A kind of multistage tank type waste gas purification recovery device |
Non-Patent Citations (1)
| Title |
|---|
| 袁建华: "氯化石蜡生产中尾气的治理", 《氯碱工业》 * |
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