CN111974174B - Falling film type hydrogen chloride absorption device - Google Patents

Falling film type hydrogen chloride absorption device Download PDF

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Publication number
CN111974174B
CN111974174B CN202010903428.2A CN202010903428A CN111974174B CN 111974174 B CN111974174 B CN 111974174B CN 202010903428 A CN202010903428 A CN 202010903428A CN 111974174 B CN111974174 B CN 111974174B
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ring
water
tower body
pipe
hydrogen chloride
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CN111974174A (en
Inventor
朱雪松
张福祥
刘仕通
马龙
于海洋
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Zhenjiang Huilong Chemical Co ltd
Jiangsu Kangxiang Industrial Group Co ltd
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Zhenjiang Huilong Chemical Co ltd
Jiangsu Kangxiang Industrial Group Co ltd
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Publication of CN111974174A publication Critical patent/CN111974174A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/18Absorbing units; Liquid distributors therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/14Separation 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
    • B01D53/1456Removing acid components

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention discloses a falling film type hydrogen chloride absorption device, which comprises a tower body, a water inlet pipe, an absorption bag and a water feeding pipe; the tower body is a cylindrical hollow shell, an exhaust port is arranged on the side face of the upper end of the tower body, a top ring is arranged at the top end of an inner cavity of the tower body, a first water distributor is arranged on the upper side of the top ring, and a closed ring is fixed on the side face of the inner cavity of the tower body on the lower side of the top ring; the air inlet pipe is arranged in a mounting hole on the side surface of the middle part of the tower body, and the inner side end of the air inlet pipe is connected with the upper port of the vertical pipe; absorb the bag and include ripple cover and hardboard, the hardboard has two, the ripple cover is whole to be the ring form, and two hardboards seal to be connected the lower extreme on the ripple cover and constitute cylindric closed shell, the middle part of ripple cover is equipped with the water distribution ring, the absorption bag upper end that the water distribution ring is inboard is equipped with the second water-locator, and this falling liquid film formula hydrogen chloride absorbing device absorbs hydrogen chloride gas through the mode of dual falling liquid film, and the water consumption is low, absorbs effectually.

Description

Falling film type hydrogen chloride absorption device
Technical Field
The invention relates to the technical field of hydrogen chloride absorption, in particular to a falling film type hydrogen chloride absorption device.
Background
Hydrogen chloride (HCl), a molecule of hydrogen chloride consisting of one chlorine atom and one hydrogen atom, is a colorless gas with an offensive odor. The aqueous solution is commonly known as hydrochloric acid, which is known as hydrochloric acid. The relative molecular mass was 36.46. The hydrogen chloride is very soluble in water, at 0 ℃, 1 volume of water can dissolve about 500 volumes of hydrogen chloride, in the process of producing CLT acid by a toluene sulfonation route, the chlorination reaction generates tail gas mainly containing hydrogen chloride and chlorine, and the absorption of the hydrogen chloride gas is generally realized by an absorption tower which adopts circulating water as an absorbent. The hydrogen chloride absorption concentration reaches about 20 percent and then is transferred to a raw material storage tank. In actual production, the effect is poor, and the absorption of hydrogen chloride is insufficient. The redundant hydrogen chloride enters the atmosphere, and the environment is polluted.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a falling film type hydrogen chloride absorption device, which absorbs hydrogen chloride gas in a double falling film mode, has low water consumption and good absorption effect, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the falling film type hydrogen chloride absorption device comprises a tower body, a water inlet pipe, an absorption bag and a water feeding pipe;
a tower body: the water distributor is a cylindrical hollow shell, an exhaust port is arranged on the side face of the upper end of the tower body, a top ring is arranged at the top end of an inner cavity of the tower body, a first water distributor is arranged on the upper side of the top ring, and a closed ring is fixed on the side face of the inner cavity of the tower body on the lower side of the top ring;
air inlet pipe: the air inlet pipe is arranged in a mounting hole on the side surface of the middle part of the tower body, and the inner side end of the air inlet pipe is connected with the upper end opening of the vertical pipe;
an absorption bag: the water distribution device comprises two corrugated covers and two hard plates, wherein the corrugated covers are integrally in a circular ring shape, the two hard plates are connected to the upper end and the lower end of the corrugated covers in a sealing manner to form a cylindrical sealing shell, a water distribution ring is arranged in the middle of the corrugated covers, a second water distributor is arranged at the upper end of an absorption bag on the inner side of the water distribution ring, adjacent absorption bags are connected through a connecting pipe, and a drainage hole is formed in the hard plate at the bottom of the absorption bag at the lowest side;
water feeding pipe: the water distributor is vertically arranged on the side wall of an inner cavity of the tower body, the lower end of the upper water pipe is connected with a water pump in series, and an upper branch pipe port of the upper water pipe is connected with the first water distributor and the second water distributor through a hose;
wherein: still include servo motor, spiral ring and control switch, servo motor installs the inner chamber upper surface at the tower body, be fixed with the pivot on servo motor's the downside output shaft, the shaft hole at standpipe up end and hardboard middle part is passed in the pivot, be fixed with the spiral ring in the inboard pivot of water diversion ring, control switch installs the lateral surface at the tower body, control switch's input is connected with external power source's output electricity, control switch's output is connected with water pump and servo motor's input electricity respectively.
Further, the lower fixed surface of tower body has the base, the inner chamber lower extreme of tower body is equipped with the retaining storehouse, and the retaining storehouse is used for the water of reservoir absorption hydrogen chloride.
Furthermore, the closed ring comprises a fixed ring and a conical ring, the outer ring surface of the fixed ring is fixedly connected with the side surface of the inner cavity at the upper end of the tower body, the lower end of the conical ring is in transitional connection with the inner ring surface of the fixed ring, the conical ring is large in upper part and small in lower part, and the closed ring is matched with the top ring and the first water distributor to form a second falling film to isolate the exhaust port.
Furthermore, the second water distributor comprises a circular pipe and a spray head, the circular pipe is arranged on the upper surface of an inner cavity of the absorption bag at the inner side of the water distribution ring, the spray head is obliquely arranged on a side interface of the circular pipe at an equal angle, the second water distributor has the same structure with the first water distributor, only the installation position is different, and the spray head is used for uniformly spraying water, so that water flows to form a continuous water film.
Further, divide the hydrologic ring to include at least three face ring, the axis coincidence of three face ring, and the internal diameter of three face ring reduces from last to down in proper order, the upper end of face ring outside anchor ring is fixed with the dead lever, the outside end of dead lever links to each other with the lateral wall of ripple cover is fixed, the middle part of face ring outside anchor ring is fixed with clean ring, thereby divides the hydrologic ring to form first heavy water film.
The device further comprises an overflow pipe and an overflow hole, wherein the overflow pipe is arranged at a joint on the side surface of the corrugated cover, the overflow hole is formed in the side surface of the overflow pipe, and the adsorbed gas is discharged from the absorption bag through the overflow pipe.
Further, still include electric telescopic handle and push pedal, electric telescopic handle is vertical to be installed at the inner chamber lateral wall of tower body, be fixed with the montant on electric telescopic handle's the flexible arm of upside, the middle part of montant is fixed with two push pedals, and two push pedals are contacted with the bottom surface of two absorption bags respectively, electric telescopic handle's input is connected with control switch's output electricity, can drive the compression of absorption bag through electric telescopic handle to the lateral wall of dividing the water ring is cleared up, makes the frequent manual work of needs to dismantle.
Further, still include waste discharge pipe and valve, waste discharge pipe's one end links to each other with the interface of retaining storehouse lower surface, the valve is installed in waste discharge pipe's middle part, and waste discharge pipe is used for discharging the waste water after the absorption, collects the back and unifies and handle.
Compared with the prior art, the invention has the beneficial effects that: the falling film type hydrogen chloride absorption device has the following advantages:
1. the falling film type hydrogen chloride absorption device absorbs hydrogen chloride gas in a double falling film mode, a water film is formed at the bottom through the matching of the absorption bag and the water distribution ring, the absorption of the hydrogen chloride gas is ensured through the contact of air flow and the water film, and water is upwards introduced from the bottom through the water feeding pipe and the water pump, so that the water consumption can be properly reduced;
2. the water diversion rings are provided with a plurality of surface rings, the inner diameters of the surface rings are sequentially reduced from top to bottom to form staggered annular gaps, water sprayed by the spray heads forms water films on the inner side surfaces of the surface rings, descending air flow is centrifuged due to rotation of the spiral rings, the water films are kept on the inner side surfaces of the surface rings to form continuous films, and meanwhile, the air flow is attached to the surface rings and contacts with the water films to finish the adsorption of a first heavy falling film;
3. the top of the water distributor is provided with a top ring and a closed ring, water with uniform angles is sprayed by the first water distributor, an annular water film is formed by descending of the top ring, the descending water film is received by the conical ring, the formed water film has an isolation effect on the exhaust port because the exhaust port is positioned between the top ring and the closed ring, and gas needs to be adsorbed by a second falling film when being exhausted, so that the absorption effect is improved;
4. the side of absorption bag comprises the ripple cover of deformation, can wholly extrude the absorption bag through the promotion of push pedal to make inside face ring produce corresponding axial displacement, the clean ring on the face ring can be cleared up adjacent face ring medial surface, reduces the absorption of dust or other viscidity liquid on the face ring, reduces artifical frequency of overhauing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at the position A of the present invention.
In the figure: 1 tower body, 101 air outlet, 102 base, 103 water storage bin, 2 top ring, 3 first water distributor, 4 closed ring, 401 fixed ring, 402 taper ring, 5 air inlet pipe, 6 vertical pipe, 7 absorption bag, 701 ripple cover, 702 hard board, 8 second water distributor, 801 ring pipe, 802 spray head, 9 water distribution ring, 901 face ring, 902 fixed rod, 10 overflow pipe, 11 overflow hole, 12 cleaning ring, 13 connecting pipe, 14 water pump, 15 water supply pipe, 16 electric telescopic rod, 17 push pedal, 18 servo motor, 19 spiral ring, 20 waste discharge pipe, 21 valve, 22 control switch.
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. 1-3, the present invention provides a technical solution: the falling film type hydrogen chloride absorption device comprises a tower body 1, a water inlet pipe 5, an absorption bag 7 and a water feeding pipe 15;
the tower body 1: the tower is a cylindrical hollow shell, the side surface of the upper end of the tower body 1 is provided with an exhaust port 101, the top end of the inner cavity of the tower body 1 is provided with a top ring 2, the upper side of the top ring 2 is provided with a first water distributor 3, and the side surface of the inner cavity of the tower body 1 at the lower side of the top ring 2 is fixed with a closed ring 4; the lower surface of the tower body 1 is fixed with a base 102, and the lower end of the inner cavity of the tower body 1 is provided with a water storage bin 103;
the top is provided with a top ring 2 and a closed ring 4, water with uniform angle is sprayed by the first water distributor 3, and descends through the top ring 2 to form an annular water film, the descending water film is received by the conical ring 402, the formed water film has an isolation effect on the exhaust port 101 because the exhaust port 101 is positioned between the top ring 2 and the closed ring 4, and gas needs to be adsorbed by a second falling film when being exhausted, so that the absorption effect is improved;
the closed ring 4 comprises a fixed ring 401 and a conical ring 402, the outer ring surface of the fixed ring 401 is fixedly connected with the inner cavity side surface of the upper end of the tower body 1, the lower end of the conical ring 402 is in transitional connection with the inner ring surface of the fixed ring 401, and the conical ring 402 is large in upper part and small in lower part;
an air inlet pipe 5: the air inlet pipe is arranged in a mounting hole on the side surface of the middle part of the tower body 1, and the inner side end of the air inlet pipe 5 is connected with the upper port of the vertical pipe 6;
the absorption bag 7: the water distribution device comprises a corrugated cover 701 and two hard plates 702, wherein the two hard plates 702 are arranged, the corrugated cover 701 is integrally annular, the two hard plates 702 are connected to the upper end and the lower end of the corrugated cover 701 in a sealing manner and form a cylindrical sealing shell, a water distribution ring 9 is arranged in the middle of the corrugated cover 701, a second water distributor 8 is arranged at the upper end of an absorption bag 7 on the inner side of the water distribution ring 9, the adjacent absorption bags 7 are connected through a connecting pipe 13, and a drainage hole is formed in the hard plate 702 at the bottom of the absorption bag 7 on the lowest side;
the overflow pipe 10 is arranged at an interface on the side surface of the corrugated cover 701, and the overflow hole 11 is arranged on the side surface of the overflow pipe 10;
the second water distributor 8 comprises a ring pipe 801 and a spray head 802, the ring pipe 801 is arranged on the upper surface of the inner cavity of the absorption bag 7 at the inner side of the water distribution ring 9, and the spray head 802 is obliquely arranged on a side interface of the ring pipe 801 at an equal angle;
the water distribution ring 9 comprises at least three surface rings 901, the axes of the three surface rings 901 are overlapped, the inner diameters of the three surface rings 901 are sequentially reduced from top to bottom, a fixed rod 902 is fixed at the upper end of the outer side ring surface of the surface ring 901, the outer side end of the fixed rod 902 is fixedly connected with the side wall of the corrugated cover 701, and a cleaning ring 12 is fixed in the middle of the outer side ring surface of the surface ring 901;
the surface rings 901 of the water diversion ring 9 are provided with a plurality of surface rings, the inner diameters of the surface rings are sequentially reduced from top to bottom to form staggered annular gaps, water sprayed by the spray heads 802 forms water films on the inner side surfaces of the surface rings 901, descending air flow is centrifuged due to rotation of the spiral ring 19, the water films are kept on the inner side surfaces of the surface rings 901 to form continuous films, meanwhile, the air flow is attached to the surface rings 901 and contacts with the water films, and adsorption of a first heavy falling film is completed;
the water feeding pipe 15: the water distributor is vertically arranged on the side wall of an inner cavity of the tower body 1, the lower end of an upper water pipe 15 is connected with a water pump 14 in series, and an upper branch pipe port of the upper water pipe 15 is connected with the first water distributor 3 and the second water distributor 8 through hoses;
wherein: the tower body water distributor comprises a tower body 1, and is characterized by further comprising a servo motor 18, a spiral ring 19 and a control switch 22, wherein the servo motor 18 is installed on the upper surface of an inner cavity of the tower body 1, a rotating shaft is fixed on an output shaft on the lower side of the servo motor 18 and penetrates through the upper end face of the vertical pipe 6 and a shaft hole in the middle of the hard plate 702, the spiral ring 19 is fixed on the rotating shaft on the inner side of the water distribution ring 9, the control switch 22 is installed on the outer side face of the tower body 1, the input end of the control switch 22 is electrically connected with the output end of an external power supply, and the output end of the control switch 22 is electrically connected with the water pump 14 and the input end of the servo motor 18 respectively;
the tower body is characterized by further comprising an electric telescopic rod 16 and push plates 17, wherein the electric telescopic rod 16 is vertically arranged on the side wall of the inner cavity of the tower body 1, a vertical rod is fixed on an upper telescopic arm of the electric telescopic rod 16, two push plates 17 are fixed in the middle of the vertical rod, the two push plates 17 are respectively contacted with the bottom surfaces of the two absorption bags 9, and the input end of the electric telescopic rod 16 is electrically connected with the output end of the control switch 22;
the side surface of the absorption bag 7 is composed of the deformed corrugated cover 701, the absorption bag 7 can be wholly extruded by pushing of the push plate 17, so that the inner surface ring 901 moves axially correspondingly, the cleaning rings 12 on the surface rings 901 can clean the inner side surfaces of the adjacent surface rings 901, the adsorption of dust or other viscous liquid on the surface rings 901 is reduced, and the manual maintenance frequency is reduced;
the device also comprises a waste discharge pipe 20 and a valve 21, wherein one end of the waste discharge pipe 20 is connected with a connector on the lower surface of the water storage bin 103, and the valve 21 is arranged in the middle of the waste discharge pipe 20.
This falling film formula hydrogen chloride absorbing device through the mode of dual falling film, absorbs hydrogen chloride gas, and the bottom forms the water film through absorbing bag 7 and the cooperation of dividing water ring 9, guarantees the absorption to hydrogen chloride gas through the contact of air current with the water film, and the bottom is through 15 and the upwards diversion of water pump 14 of upper hose, is favorable to recycling, can suitably reduce the water consumption.
It is noted that the control switch 22 is provided with control buttons corresponding to the water pump 14, the electric telescopic rod 16 and the servo motor 18 one by one; the water pump 14, the electric telescopic rod 16 and the servo motor 18 are adopted in the prior art and are not innovative here.
When in use:
the water used for adsorbing hydrogen chloride gas is stored in the water storage bin 103, the water in the water storage bin 103 enters the circular pipes 801 of the first water distributor 3 and the second water distributor 8 along the upper water pipes 15 through the negative pressure of the water pump 14, the water with uniform angles is sprayed by the first water distributor 3, the water descends through the top ring 2 to form an annular water film, the descending water film is received through the conical ring 402, a second water film is formed between the top ring 2 and the closed ring 4 due to the exhaust port 101 to isolate the exhaust port, and the water sprayed by the spray head 802 forms a water film on the inner side surface of the face ring 901;
firstly, gas containing hydrogen chloride enters a vertical pipe 6 through an air inlet pipe 5, the gas flows downwards along the vertical pipe 6 and enters an absorption bag 7, a servo motor 8 works to drive a spiral ring 19 to rotate, the downward gas flow containing the hydrogen chloride is centrifuged due to the rotation of the spiral ring 19, so that a water film is kept on the inner side surface of each face ring 901 to form a continuous film, meanwhile, the gas flow is attached to the face rings 901 and is contacted with the water film to perform first heavy adsorption, the adsorbed gas flow is discharged to an overflow pipe 10 through a gap between adjacent face rings 901, then enters an inner cavity of the tower body 1 through an overflow hole 11, and finally descends through a connecting pipe 13, finally descends from a drainage hole on a hard plate 702 of the lowermost absorption bag 7 and falls into a water storage bin 103, and the gas flow ascends, is absorbed through a second heavy water film and then is discharged from an exhaust port 101 at the upper end of the tower body 1;
the waste water that holds the saturation of storehouse 103 is discharged through waste discharge pipe 20 regularly, carry out unified processing after collecting through the peripheral equipment, regularly clear up face ring 901, the side of absorption bag 7 comprises flexible ripple cover 701, electric telescopic handle 16 work drives push pedal 17 and carries out the removal of vertical direction, can extrude absorption bag 7 whole through the ascending removal of push pedal 17, inside face ring 901 produces corresponding axial displacement along with ripple cover 701, make cleaning ring 12 scrape off adjacent face ring 901 medial surface, detach the dust and the adhesion thing of face ring 901 medial surface.
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 (7)

1. Falling film formula hydrogen chloride absorbing device, its characterized in that: comprises a tower body (1), an air inlet pipe (5), an absorption bag (7) and a water feeding pipe (15);
a tower body (1): the tower is a cylindrical hollow shell, an exhaust port (101) is formed in the side face of the upper end of the tower body (1), a top ring (2) is arranged at the top end of an inner cavity of the tower body (1), a first water distributor (3) is arranged on the upper side of the top ring (2), and a closed ring (4) is fixed on the side face of the inner cavity of the tower body (1) on the lower side of the top ring (2);
intake pipe (5): the air inlet pipe is arranged in a mounting hole in the side surface of the middle part of the tower body (1), and the inner side end of the air inlet pipe (5) is connected with the upper end opening of the vertical pipe (6);
absorption pouch (7): the water distribution device comprises a corrugated cover (701) and two hard plates (702), wherein the two hard plates (702) are arranged, the corrugated cover (701) is integrally annular, the two hard plates (702) are connected to the upper end and the lower end of the corrugated cover (701) in a sealing manner and form a cylindrical closed shell, a water distribution ring (9) is arranged in the middle of the corrugated cover (701), a second water distributor (8) is arranged at the upper end of an absorption bag (7) on the inner side of the water distribution ring (9), adjacent absorption bags (7) are connected through a connecting pipe (13), and a drainage hole is formed in the hard plate (702) at the bottom of the absorption bag (7) at the lowest side;
water supply pipe (15): the water distributor is vertically arranged on the side wall of an inner cavity of the tower body (1), the lower end of the upper water pipe (15) is connected with a water pump (14) in series, and an upper branch pipe port of the upper water pipe (15) is connected with the first water distributor (3) and the second water distributor (8) through a hose;
wherein: the water distributor is characterized by further comprising a servo motor (18), a spiral ring (19) and a control switch (22), wherein the servo motor (18) is installed on the upper surface of an inner cavity of the tower body (1), a rotating shaft is fixed on an output shaft of the lower side of the servo motor (18) and penetrates through the upper end face of the vertical pipe (6) and a shaft hole in the middle of the hard plate (702), the spiral ring (19) is fixed on the rotating shaft of the inner side of the water distribution ring (9), the control switch (22) is installed on the outer side face of the tower body (1), the input end of the control switch (22) is electrically connected with the output end of an external power supply, and the output end of the control switch (22) is electrically connected with the water pump (14) and the input end of the servo motor (18) respectively;
still include electric telescopic handle (16) and push pedal (17), electric telescopic handle (16) are vertical to be installed at the inner chamber lateral wall of tower body (1), be fixed with the montant on the flexible arm of upside of electric telescopic handle (16), the middle part of montant is fixed with two push pedal (17), and two push pedal (17) contact with the bottom surface of two absorption bags (7) respectively, the input of electric telescopic handle (16) is connected with the output electricity of control switch (22).
2. The falling film hydrogen chloride absorption apparatus according to claim 1, wherein: the lower surface of tower body (1) is fixed with base (102), the inner chamber lower extreme of tower body (1) is equipped with water storage storehouse (103).
3. The falling film hydrogen chloride absorption apparatus according to claim 1, wherein: the closed ring (4) comprises a fixing ring (401) and a conical ring (402), the outer ring surface of the fixing ring (401) is fixedly connected with the inner cavity side surface of the upper end of the tower body (1), the lower end of the conical ring (402) is in transitional connection with the inner ring surface of the fixing ring (401), and the conical ring (402) is large in top and small in bottom.
4. The falling film hydrogen chloride absorption apparatus according to claim 1, wherein: the second water distributor (8) comprises a ring pipe (801) and a spray head (802), the ring pipe (801) is arranged on the upper surface of the inner cavity of the absorption bag (7) on the inner side of the water distribution ring (9), and the spray head (802) is obliquely arranged on a side interface of the ring pipe (801) at an equal angle.
5. The falling film hydrogen chloride absorption apparatus according to claim 1, wherein: the water distribution ring (9) comprises at least three face rings (901), the axes of the three face rings (901) are overlapped, the inner diameters of the three face rings (901) are sequentially reduced from top to bottom, a fixing rod (902) is fixed at the upper end of the outer side ring surface of the face ring (901), the outer side end of the fixing rod (902) is fixedly connected with the side wall of the corrugated cover (701), and a cleaning ring (12) is fixed in the middle of the outer side ring surface of the face ring (901).
6. The falling film hydrogen chloride absorption apparatus according to claim 1, wherein: the overflow pipe (10) is installed at the interface of the side face of the corrugated cover (701), and the overflow hole (11) is formed in the side face of the overflow pipe (10).
7. The falling film hydrogen chloride absorption apparatus according to claim 2, wherein: still include waste discharge pipe (20) and valve (21), the one end of waste discharge pipe (20) links to each other with the interface of water storage storehouse (103) lower surface, the middle part at waste discharge pipe (20) is installed in valve (21).
CN202010903428.2A 2020-09-01 2020-09-01 Falling film type hydrogen chloride absorption device Active CN111974174B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010903428.2A CN111974174B (en) 2020-09-01 2020-09-01 Falling film type hydrogen chloride absorption device

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Application Number Priority Date Filing Date Title
CN202010903428.2A CN111974174B (en) 2020-09-01 2020-09-01 Falling film type hydrogen chloride absorption device

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CN111974174B true CN111974174B (en) 2022-04-12

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451088A (en) * 1967-06-16 1968-05-15 Bertrams Ag Hch Falling film evaporator
CN102641601B (en) * 2011-02-16 2014-02-12 俞天翔 In-tube auto-cleaning antiscale falling-film evaporation device
CN206325371U (en) * 2016-12-09 2017-07-14 连云港德洋化工有限公司 A kind of benzophenone produces preparation hydrogen chloride absorption device
CN107754566A (en) * 2017-09-01 2018-03-06 上海氯碱化工股份有限公司 Hydrogen chloride absorption device in catalytic oxidation of hydrogen chloride for preparing chlorine process gas
CN208406126U (en) * 2018-07-09 2019-01-22 东营科宏化工有限公司 Distill falling film evaporator
CN208553648U (en) * 2018-07-16 2019-03-01 山东振兴化工有限公司 Falling-film absorber is used in by-product hydrochloric acid production
CN209093083U (en) * 2018-08-24 2019-07-12 重庆山巨化工机械股份有限公司 A kind of falling film reactor

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