CN115430167B - Bromine-containing waste liquid treatment device - Google Patents
Bromine-containing waste liquid treatment device Download PDFInfo
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- CN115430167B CN115430167B CN202211381535.9A CN202211381535A CN115430167B CN 115430167 B CN115430167 B CN 115430167B CN 202211381535 A CN202211381535 A CN 202211381535A CN 115430167 B CN115430167 B CN 115430167B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
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- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of bromine-containing waste liquid treatment, and particularly provides a bromine-containing waste liquid treatment device which comprises a liquid storage tank, wherein a water outlet of the liquid storage tank is communicated with a distillation tower, the top of the distillation tower is provided with an air outlet, the bottom of the distillation tower is provided with a liquid outlet, a spraying device is arranged in the distillation tower and close to the top, the spraying device comprises a water inlet pipe, a liquid distribution box, atomizing nozzles and a screen plate, the screen plate is fixed in the distillation tower, the liquid distribution box is erected above the screen plate, the water inlet pipe is communicated with the liquid storage tank, the liquid distribution box is communicated with the water inlet pipe, and a plurality of atomizing nozzles are uniformly distributed on the liquid distribution box; the bottom of the distillation tower is provided with a gas collecting box, the gas collecting box is fixed in the distillation tower, a chlorine pipeline and a steam pipeline are communicated with the gas collecting box, a plurality of gas outlets are formed in the inner ring of the gas collecting box, and after the waste liquid is atomized by a spraying device, the waste liquid is sprayed into the distillation tower from the top of the distillation tower so as to prolong the retention time of the waste liquid in the distillation tower and enable the waste liquid to be fully contacted with high-temperature steam in the distillation tower.
Description
Technical Field
The invention relates to the field of bromine-containing waste liquid treatment, in particular to a bromine-containing waste liquid treatment device.
Background
In industrial production, to the waste liquid that contains sodium bromide, carry to other places and handle after triple effect evaporation concentration usually, the treatment cost is great, consequently in order to promote the utilization efficiency to the waste liquid, need distill the waste liquid to purify out the bromine that contains in the waste liquid, reuse in production, in order to promote the utilization ratio to the waste liquid, reduction in production cost simultaneously.
The existing method for extracting bromine from waste liquid generally comprises the steps of adding concentrated sulfuric acid into the concentrated and filtered waste liquid, leading the acidified waste liquid into a bromine tower, distilling the acidified waste liquid through high-temperature steam and chlorine gas, and extracting bromine in the waste liquid, wherein the waste liquid is high in falling speed after being led into the bromine tower, so that the contact time of the waste liquid and steam in the tower is short, the contact area is small, and the extraction of the bromine contained in the waste liquid is not facilitated.
The patent publication No. CN213376579U discloses a distillation tower for bromine production distillation for bromine extraction in a salt field, which comprises a condensation frame, a heating machine body and a stirrer, wherein a base is arranged at the bottom end of the heating machine body, the base is in sealing connection with the heating machine body, the stirrer is connected to the upper end of the base, the stirrer is arranged in the heating machine body, pull rods penetrate through the left end and the right end of the base, and the pull rods are in sliding connection with the base. This patent can make reaction rate and reaction efficiency increase through being provided with the agitator, through setting up the pull rod, can dismantle fast and install the base, can maintain and change the agitator, can also make the baffle control the rising speed of steam through setting up the electric jar, has increased the distillation time, makes the more thorough of distillation. However, the patent still has some disadvantages: when the steam rising speed is too slow, the temperature difference between the top and the bottom of the distillation tower is easy to be larger, the temperature in the distillation tower is not easy to be controlled, and the extraction efficiency of bromine is further influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that bromine in the bromine-containing waste liquid is difficult to fully extract, the invention provides a bromine-containing waste liquid treatment device to solve the problem.
The technical scheme adopted by the invention for solving the technical problem is as follows: the bromine-containing waste liquid treatment device comprises a liquid storage tank and a distillation tower, wherein a water outlet of the liquid storage tank is communicated with the distillation tower, an air outlet is formed in the top of the distillation tower, a liquid discharge port is formed in the bottom of the distillation tower, a spraying device is arranged in the distillation tower and close to the top of the distillation tower, the spraying device comprises a water inlet pipe, a liquid distribution box, atomizing nozzles and a screen plate, the screen plate is fixed in the distillation tower, the liquid distribution box is erected above the screen plate, the water inlet pipe is communicated with the liquid storage tank, the liquid distribution box is communicated with the water inlet pipe, the atomizing nozzles are uniformly distributed on the liquid distribution box, and the liquid spraying direction of the atomizing nozzles faces the center of the distillation tower; the bottom of the distillation tower is provided with a chlorine pipeline, a steam pipeline and a gas collecting box, the gas collecting box is fixed in the distillation tower, the chlorine pipeline and the steam pipeline are communicated with the gas collecting box, and the inner ring of the gas collecting box is provided with a plurality of gas outlet holes.
Preferably, the flow guiding device is fixed at the center of the screen plate and comprises a flow guiding cylinder, a flow guiding cover, a flow guiding pipe and a plurality of flow guiding ports, the flow guiding cylinder is vertically fixed at the center of the screen plate, a through hole with the same inner diameter as the flow guiding cylinder is formed in the center of the screen plate, the flow guiding cover is arranged above the flow guiding cylinder and communicated with the flow guiding cylinder, the flow guiding pipe is provided with two flow guiding pipes, the two flow guiding pipes are installed on the flow guiding cover in a central symmetry mode, the plurality of flow guiding ports are distributed on the flow guiding pipe, and the flow guiding ports face the screen plate.
Preferably, still include rotary mechanism, rotary mechanism includes stack base, thrust ball bearing and flabellum, the rotatable installation of stack base is in the top of draft tube, the thrust ball bearing butt is in between stack base and the draft tube, the flabellum is fixed in the stack base, the turning radius of flabellum with the radius of draft tube is the same, the kuppe is fixed on the stack base.
Preferably, a circulation hole is formed in the side wall of the guide cylinder, the circulation hole is communicated with the inner side and the outer side of the guide cylinder, a one-way valve is fixed in the circulation hole and comprises a pipe sleeve, a rod seat, a connecting rod, a cover plate and a spring, the pipe sleeve is fixed in the circulation hole, the rod seat is fixed in the pipe sleeve, the connecting rod is inserted in the rod seat, one end, located in the guide cylinder, of the connecting rod is fixedly connected with the cover plate, and the spring is used for pushing the connecting rod to move towards the outer side of the guide cylinder.
Preferably, a heat exchanger is further connected between the liquid storage tank and the distillation tower, and the heat exchanger is used for heating the waste liquid entering the distillation tower.
Preferably, the exhaust gas purification device further comprises a condenser, wherein the upper end of the condenser is communicated with the exhaust port, the lower end of the condenser is provided with a liquid outlet and an exhaust gas outlet, and the exhaust gas outlet is positioned above the liquid outlet.
Preferably, the inner ring of the gas collecting box inclines to form a slope surface, and the gas outlet hole is formed in the slope surface.
Preferably, a booster pump is arranged at a pipeline between the heat exchanger and the distillation tower, and the booster pump is used for conveying the waste liquid to a spraying device close to the top of the distillation tower.
The invention has the beneficial effects that firstly, the spraying device is arranged, and the waste liquid is sprayed into the distillation tower from the top of the distillation tower after being atomized by the spraying device, so that the retention time of the waste liquid in the distillation tower is prolonged, and the waste liquid can be fully contacted with high-temperature steam in the distillation tower.
And secondly, a flow guide device is arranged, and a part of air flow is guided through the flow guide device to form upper and lower air flow hedging so as to slow down the ascending speed of the air flow, simultaneously ensure that the atomized waste liquid can be uniformly distributed, and improve the contact area of the waste liquid, high-temperature steam and chlorine.
And thirdly, the guide cylinder is provided with a circulating hole and a one-way valve, air flow outside the guide cylinder can enter the guide cylinder from the one-way valve and is discharged through the guide opening, circulating flow of high-temperature steam is realized, the high-temperature steam drives atomized waste liquid to circulate together in the circulating process, and the detention time of the waste liquid in the distillation tower is further prolonged.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic structural view of a preferred embodiment of the apparatus for treating a bromine-containing waste liquid of the present invention;
FIG. 2 is an exploded view of a distillation column of the apparatus for treating a bromine-containing waste liquid according to the present invention;
FIG. 3 is a schematic structural view of a spraying device of the bromine-containing waste liquid treatment device of the present invention;
FIG. 4 is a schematic structural diagram of a flow guide device of the bromine-containing waste liquid treatment device of the present invention;
FIG. 5 is a schematic structural view of a rotating mechanism of the bromine-containing waste liquid treatment apparatus according to the present invention;
FIG. 6 is a schematic structural view of a one-way valve of the bromine-containing waste liquid treatment apparatus of the present invention;
fig. 7 is a schematic structural diagram of a gas collecting box of the bromine-containing waste liquid treatment device.
Reference numerals are as follows: 1. a liquid storage tank; 2. a distillation column; 3. an exhaust port; 4. a liquid discharge port; 5. a spraying device; 6. a water inlet pipe; 7. a liquid separation box; 8. an atomizing nozzle; 9. a screen plate; 10. a chlorine pipeline; 11. a steam line; 12. a gas collection box; 13. an air outlet; 14. a flow guide device; 15. a draft tube; 16. a pod; 17. a flow guide pipe; 18. a flow guide port; 19. a rotation mechanism; 20. a cartridge holder; 21. a thrust ball bearing; 22. a fan blade; 23. a one-way valve; 24. pipe sleeve; 25. a rod seat; 26. a connecting rod; 27. a cover plate; 28. a spring; 29. a heat exchanger; 30. a condenser; 31. a liquid outlet; 32. an exhaust gas outlet; 33. a slope surface; 34. a pressure pump.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 7, the present invention provides an embodiment of a bromine-containing waste liquid treatment apparatus, including a liquid storage tank 1 and a distillation tower 2, firstly introducing acidified bromine-containing waste liquid into the liquid storage tank 1 for storage, a water outlet of the liquid storage tank 1 being communicated with the distillation tower 2, a heat exchanger 29 being further connected between the liquid storage tank 1 and the distillation tower 2, the heat exchanger 29 being used for heating the waste liquid entering the distillation tower 2, and preheating the waste liquid entering the distillation tower 2, so that on one hand, the waste liquid can rapidly reach a desired temperature after entering the distillation tower 2, and further, the bromine extraction efficiency is improved, and on the other hand, a phenomenon of uneven temperature at various places in the distillation tower 2 due to a large amount of absorbed heat after entering the waste liquid into the distillation tower 2 can be avoided, so that the temperature at various places in the distillation tower 2 is kept stable, and the gas flow in the distillation tower 2 is ensured to be more stable.
A pressure pump 34 is arranged at a pipeline between the heat exchanger 29 and the distillation tower 2, the pressure pump 34 is used for conveying waste liquid to a spraying device 5 close to the top of the distillation tower 2 so as to discharge bromine-containing waste liquid into the distillation tower 2 from a high position for bromine extraction, residual liquid after bromine removal falls to the bottom of the distillation tower 2, a liquid discharge port 4 is arranged at the bottom of the distillation tower 2 so as to perform centralized treatment on the residual liquid, an exhaust port 3 is arranged at the top of the distillation tower 2, bromine gas evaporated through the distillation tower 2 is discharged from the exhaust port 3 along with high-temperature steam and chlorine gas, a condenser 30 is arranged at the exhaust port 3, the upper end of the condenser 30 is communicated with the exhaust port 3, the bromine gas is condensed by the condenser 30 to obtain bromine water, a liquid outlet 31 and a waste gas outlet 32 are arranged at the lower end of the condenser 30, and the waste gas outlet 32 is positioned above the liquid outlet 31 so as to naturally separate the condensed bromine water from the gas and collect the bromine water.
A spraying device 5 is arranged in the distillation tower 2 close to the top, the spraying device 5 comprises a water inlet pipe 6, a liquid separating box 7, atomizing nozzles 8 and a screen plate 9, the screen plate 9 is fixed in the distillation tower 2, the distillation tower 2 is separated through the screen plate 9 to slow down the rising speed of high-temperature steam and chlorine, so that atomized waste liquid, the high-temperature steam and the chlorine can stay in a space above the screen plate 9 for a longer time, the three are fully mixed, the contact time of the waste liquid with the high-temperature steam and the chlorine is prolonged, the extraction rate of bromine in the waste liquid is improved, the water inlet pipe 6 is communicated with the liquid storage tank 1, the liquid separating box 7 is communicated with the water inlet pipe 6, the waste liquid in the liquid storage tank 1 flows into the liquid separating box 7 through the water inlet pipe 6, the atomizing nozzles 8 are uniformly distributed on the liquid separating box 7, the liquid separating box 7 is erected above the screen plate 9, the waste liquid separating box is atomized through the atomizing nozzles 8 and then uniformly sprayed in the distillation tower 2, the atomized waste liquid can float along with the air flow to increase the contact time of the waste liquid with the gas, the atomizing nozzles 8 face the side wall of the distillation tower 2, and splashing of the waste liquid on the distillation tower 2 is avoided;
the bottom of distillation tower 2 is provided with chlorine pipeline 10, steam conduit 11 and gas collecting box 12, gas collecting box 12 is fixed in distillation tower 2, chlorine pipeline 10 and steam conduit 11 communicate with gas collecting box 12, gas lets in distillation tower 2 from the bottom of distillation tower 2, high temperature steam and chlorine rise naturally and fill up whole distillation tower 2, the air current that rises simultaneously also can form the resistance to the waste liquid of whereabouts, in order to prolong the contact time of waste liquid and gas, a plurality of ventholes 13 have been seted up to the inner circle of gas collecting box 12, the inner circle slope of gas collecting box 12 forms domatic 33, venthole 13 sets up on domatic 33, domatic 33's setting makes venthole 13 can set up towards the center of distillation tower 2, make the air current concentrate in the center of distillation tower 2 relatively, make air current and waste liquid can upwards move along the central axis of distillation tower 2, avoid the air current to drive the lateral wall of waste liquid flow distillation tower 2, cause the waste liquid wall to flow trickles.
Still include guiding device 14, guiding device 14 fixes the center at otter board 9, guiding device 14 includes draft tube 15, kuppe 16, honeycomb duct 17 and a plurality of water conservancy diversion mouth 18, draft tube 15 vertical fixation is at the center of otter board 9, the through-hole the same with 15 internal diameters of draft tube is seted up at the center of otter board 9, kuppe 16 sets up in the top of draft tube 15 and communicates draft tube 15, honeycomb duct 17 is provided with two, two honeycomb duct 17 centrosymmetric installs on kuppe 16, a plurality of water conservancy diversion mouths 18 lay on honeycomb duct 17, guiding device 14's theory of operation is: when the high-temperature air flow rises to the screen plate 9, one part of the air flow is decelerated by the screen plate 9 and enters the space above the screen plate 9, the other part of the air flow directly enters the guide cylinder 15 and is finally discharged from the guide opening 18, the guide opening 18 faces the screen plate 9, the direction of the air flow is adjusted, the air flow is blown to the screen plate 9 and is mixed with the rising air flow, the rising speed of the air flow is further slowed down through air flow hedging, the waste liquid sprayed by the atomizing nozzles 8 is wrapped by the two air flows, on one hand, the dead time of the waste liquid is prolonged, on the other hand, the atomized liquid drops can be uniformly dispersed in the space above the screen plate 9, and therefore bromine in the liquid drops can be conveniently extracted by high-temperature steam and chlorine.
The high-temperature steam generator further comprises a rotating mechanism 19, the rotating mechanism 19 comprises a cylinder base 20, a thrust ball bearing 21 and fan blades 22, the cylinder base 20 is rotatably installed at the top of the guide cylinder 15, the thrust ball bearing 21 is abutted between the cylinder base 20 and the guide cylinder 15 to reduce friction between the cylinder base 20 and the guide cylinder 15, the cylinder base 20 is convenient to rotate, the fan blades 22 are fixed in the cylinder base 20, the rotating radius of the fan blades 22 is the same as that of the guide cylinder 15, the guide cover 16 is fixed on the cylinder base 20, the high-temperature steam moves to the fan blades 22 along the guide cylinder 15 after entering the guide cylinder 15, the fan blades 22 can be pushed to rotate through the flow of the high-temperature steam, the fan blades 22 rotate to drive the cylinder base 20 and the guide cover 16 to rotate, the guide cover 16 rotates to drive the two guide pipes 17 to move, and further, in the moving process, the guide openings 18 in the guide pipes 17 uniformly spray the high-temperature steam and chlorine in the space above the screen plates 9, on one hand, the other hand, the temperature of each part above the screen plates 9 can be more balanced.
The side wall of the guide cylinder 15 is provided with a circulation hole, the circulation hole is communicated with the inner side and the outer side of the guide cylinder 15, a one-way valve 23 is fixed in the circulation hole, the one-way valve 23 comprises a pipe sleeve 24, a rod seat 25, a connecting rod 26, a cover plate 27 and a spring 28, the pipe sleeve 24 is fixed in the circulation hole, the rod seat 25 is fixed in the pipe sleeve 24, the connecting rod 26 is inserted in the rod seat 25, one end of the connecting rod 26, which is positioned in the guide cylinder 15, is fixedly connected with the cover plate 27, the spring 28 is used for pushing the connecting rod 26 to move towards the outer side of the guide cylinder 15, the cover plate 27 is driven to move towards the pipe sleeve 24 when the connecting rod 26 moves towards the outer side of the guide cylinder 15, the pipe sleeve 24 is sealed, the one-way valve 23 is in a closed state at the moment, the cover plate 27 is driven to be away from the pipe sleeve 24 when the connecting rod 26 moves towards the inner side of the guide cylinder, the one-way valve 23 is in an open state at the moment, and the cover plate 27 is positioned at the inner side of the guide cylinder, so that the one-way valve 23 can only be opened towards the inner side of the guide cylinder.
When the high-temperature steam flows along the guide cylinder 15, because the flow velocity of the high-temperature steam is high, under the condition that the inside and the outside of the guide cylinder 15 are communicated, the air pressure inside the guide cylinder 15 is smaller than the air pressure outside the guide cylinder 15, the air outside the guide cylinder 15 can move towards the inside of the guide cylinder 15 by matching with the one-way air valve 23 which is opened inwards, and then the air is discharged to the outside of the guide cylinder 15 from the guide opening 18 along with the high-temperature steam, so that the circulation of the high-temperature steam inside and outside the guide cylinder 15 is realized, the high-temperature steam can drive chlorine and suspended waste liquid drops to circulate in the circulation process, the detention time of the waste liquid in the distillation tower 2 is further prolonged, meanwhile, because the spraying direction of the atomizing nozzle 8 faces to the center of the distillation tower 2, the firstly sprayed and incompletely reacted waste liquid can more easily enter the guide cylinder 15 to circularly extract bromine with the high-temperature steam and the chlorine, the waste liquid after multiple circulations is uniformly distributed above the screen plate 9, part of the waste liquid after contacting the screen plate 9 becomes liquid flow and drops to the bottom of the distillation tower 2 from the screen plate 9, and the condensation of the distilled waste liquid is collected.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (5)
1. The utility model provides a bromine-containing waste liquid treatment device, includes liquid storage pot (1) and distillation column (2), the delivery port intercommunication of liquid storage pot (1) distillation column (2), the top of distillation column (2) is provided with gas vent (3), the bottom of distillation column (2) is provided with leakage fluid dram (4), its characterized in that: a spraying device (5) is installed at a position close to the top in the distillation tower (2), the spraying device (5) comprises a water inlet pipe (6), a liquid separating box (7), atomizing nozzles (8) and a screen plate (9), the screen plate (9) is fixed in the distillation tower (2), the liquid separating box (7) is erected above the screen plate (9), the water inlet pipe (6) is communicated with the liquid storage tank (1), the liquid separating box (7) is communicated with the water inlet pipe (6), the atomizing nozzles (8) are uniformly distributed on the liquid separating box (7), and the liquid spraying direction of the atomizing nozzles (8) faces to the center of the distillation tower (2);
a chlorine pipeline (10), a steam pipeline (11) and a gas collection box (12) are arranged at the bottom of the distillation tower (2), the gas collection box (12) is fixed in the distillation tower (2), the chlorine pipeline (10) and the steam pipeline (11) are communicated with the gas collection box (12), and a plurality of air outlet holes (13) are formed in the inner ring of the gas collection box (12);
the flow guide device (14) is fixed at the center of the screen plate (9), the flow guide device (14) comprises a flow guide cylinder (15), a flow guide cover (16), a flow guide pipe (17) and a plurality of flow guide ports (18), the flow guide cylinder (15) is vertically fixed at the center of the screen plate (9), a through hole with the same inner diameter as that of the flow guide cylinder (15) is formed in the center of the screen plate (9), the flow guide cover (16) is arranged above the flow guide cylinder (15) and communicated with the flow guide cylinder (15), the flow guide pipe (17) is provided with two flow guide pipes (17), the two flow guide pipes (17) are centrally and symmetrically arranged on the flow guide cover (16), the flow guide ports (18) are arranged on the flow guide pipe (17), and the flow guide ports (18) face the screen plate (9);
the air guide sleeve is characterized by further comprising a rotating mechanism (19), wherein the rotating mechanism (19) comprises a cylinder base (20), a thrust ball bearing (21) and fan blades (22), the cylinder base (20) is rotatably mounted at the top of the air guide sleeve (15), the thrust ball bearing (21) abuts against between the cylinder base (20) and the air guide sleeve (15), the fan blades (22) are fixed in the cylinder base (20), the rotating radius of the fan blades (22) is the same as that of the air guide sleeve (15), and the air guide sleeve (16) is fixed on the cylinder base (20);
the side wall of the guide cylinder (15) is provided with a circulation hole, the circulation hole is communicated with the inner side and the outer side of the guide cylinder (15), a one-way valve (23) is fixed in the circulation hole, the one-way valve (23) comprises a pipe sleeve (24), a rod seat (25), a connecting rod (26), a cover plate (27) and a spring (28), the pipe sleeve (24) is fixed in the circulation hole, the rod seat (25) is fixed in the pipe sleeve (24), the connecting rod (26) is inserted in the rod seat (25), one end, located in the guide cylinder (15), of the connecting rod (26) is fixedly connected with the cover plate (27), and the spring (28) is used for pushing the connecting rod (26) to move towards the outer side of the guide cylinder (15).
2. The bromine-containing waste liquid treatment apparatus according to claim 1, characterized in that: a heat exchanger (29) is connected between the liquid storage tank (1) and the distillation tower (2), and the heat exchanger (29) is used for heating the waste liquid entering the distillation tower (2).
3. The bromine-containing waste liquid treatment apparatus according to claim 1, characterized in that: still include condenser (30), the upper end of condenser (30) with gas vent (3) intercommunication, the lower extreme of condenser (30) has liquid export (31) and waste gas export (32), waste gas export (32) are located the top of liquid export (31).
4. The bromine-containing waste liquid treatment apparatus according to claim 1, characterized in that: the inner ring of the gas collecting box (12) is inclined to form a slope surface (33), and the gas outlet holes (13) are formed in the slope surface (33).
5. The bromine-containing waste liquid treatment apparatus according to claim 2, characterized in that: a booster pump (34) is arranged at a pipeline between the heat exchanger (29) and the distillation tower (2), and the booster pump (34) is used for conveying waste liquid to a spraying device (5) close to the top of the distillation tower (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211381535.9A CN115430167B (en) | 2022-11-07 | 2022-11-07 | Bromine-containing waste liquid treatment device |
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| CN202211381535.9A CN115430167B (en) | 2022-11-07 | 2022-11-07 | Bromine-containing waste liquid treatment device |
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| CN115430167A CN115430167A (en) | 2022-12-06 |
| CN115430167B true CN115430167B (en) | 2023-01-13 |
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| CN116020153B (en) * | 2023-02-20 | 2023-08-01 | 安徽瑞柏新材料有限公司 | Rectifying device with heat recycling function for methyl acetate production |
| CN117695831B (en) * | 2024-02-05 | 2024-04-30 | 亚威腾(天津)科技合伙企业(有限合伙) | Tail gas treatment device for chlorophenol storage tank |
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| CN210410104U (en) * | 2019-07-22 | 2020-04-28 | 重庆工商大学环境保护研究所 | Cyclone mixed-action spray tower for organic waste gas treatment |
| CN213965223U (en) * | 2021-07-09 | 2021-08-17 | 山东菜央子盐场有限公司 | Bromine rectifying device |
| CN216572421U (en) * | 2021-12-20 | 2022-05-24 | 太仓市宏泽化工防腐设备有限公司 | Vertical polypropylene purifies tail gas absorption tower |
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