CN117942722A - Aldehyde removal tower for removing aldehyde impurities in acetic acid - Google Patents
Aldehyde removal tower for removing aldehyde impurities in acetic acid Download PDFInfo
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- CN117942722A CN117942722A CN202410353590.XA CN202410353590A CN117942722A CN 117942722 A CN117942722 A CN 117942722A CN 202410353590 A CN202410353590 A CN 202410353590A CN 117942722 A CN117942722 A CN 117942722A
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- Prior art keywords
- fixed
- pipe
- fixed mounting
- aldehyde
- connecting pipe
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 title claims abstract description 96
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000012535 impurity Substances 0.000 title claims abstract description 24
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 53
- 238000012545 processing Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 description 53
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 19
- 238000005192 partition Methods 0.000 description 12
- 238000009423 ventilation Methods 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- 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
- B01D53/14—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
-
- 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
- B01D53/14—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
- B01D53/1487—Removing organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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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)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses an aldehyde removing tower for removing aldehyde impurities in acetic acid, which relates to the technical field of aldehyde removing equipment, and the technical scheme is characterized by comprising a plurality of treatment pipelines, wherein the treatment pipelines are arranged in the circumferential direction of a cylindrical barrel at equal intervals, and the top end of each treatment pipeline is fixedly connected with a communication shell; the treatment pipeline comprises a first transverse section, a vertical section and a second transverse section, more than one first treatment cavity is arranged in the second transverse section, and a third connecting pipe is fixedly arranged at each first treatment cavity; the first transfer pipe, the one end of first transfer pipe is rotated through rotating connecting portion and third connecting pipe and is connected, and the inside of first transfer pipe and third connecting pipe keeps the intercommunication state, fixed mounting has a plurality of first poles of giving vent to anger on the surface of first transfer pipe, every a plurality of through-holes have all been seted up on the first pole of giving vent to anger, not only can promote the treatment effeciency to containing aldehyde material, also can be abundant will contain aldehyde impurity in the aldehyde material and absorb.
Description
Technical Field
The invention relates to the technical field of aldehyde removing equipment, in particular to an aldehyde removing tower for removing aldehyde impurities in acetic acid.
Background
Formaldehyde is a colorless and irritant gas, and is usually produced by using a high-efficiency dealcoholized formaldehyde absorption tower, wherein the formaldehyde gas moves from bottom to top, and an absorption liquid flows from top to bottom, so that the formaldehyde gas is contacted with the absorption liquid, and meanwhile, the formaldehyde is dealcoholized in the absorption tower, so that formaldehyde is absorbed, dealcoholized and formaldehyde solution is formed and discharged.
In the production process of acetic acid device, due to inherent characteristics of catalyst, aldehyde substances generated along with side reaction are stored in the system while synthesizing acetic acid product, the substances have strong reducibility, part of aldehyde substances can be carried out along with acetic acid product, the time required by the reaction of acetic acid product and potassium permanganate is the standard for detecting the content of aldehyde substances in the product, the load of the device is increased or the reaction rate can be deteriorated due to untimely replenishment of catalyst, and the time of the product is reduced due to the increase of aldehyde substances, so that aldehyde substances are required to be subjected to dealdehydizing treatment in the production process.
The Chinese patent with the patent publication number of CN219804430U discloses an aldehyde removing device, which comprises a first shell, wherein the top end of the first shell is provided with a second shell, the first shell is connected with the second shell through a bolt, and the top end of the second shell is provided with an air outlet pipe; the inside of first casing is provided with mixing mechanism, and the inside of second casing is provided with buffer assembly, and one side of first casing is provided with circulation spraying mechanism.
In view of the above-mentioned related art, the inventors considered that the aldehyde-containing substance has a disadvantage in that although the aldehyde-removing device improves the quality of removing aldehyde impurities in the aldehyde-containing substance, the aldehyde-containing substance needs to stay in the aldehyde-removing device for a long time, and thus the aldehyde-removing efficiency for the aldehyde-containing substance is not high and the aldehyde-removing efficiency for the aldehyde-containing substance has yet to be improved; accordingly, the present application has been made to solve the above-mentioned problems occurring in the prior art, and an aldehyde removal column for removing aldehyde impurities from acetic acid is provided.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an aldehyde removing tower for removing aldehyde impurities in acetic acid.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a aldehyde tower that removes for getting rid of aldehyde impurity in acetic acid, includes cylindricality section of thick bamboo and intercommunication casing, fixed mounting has air inlet duct on the cylindricality section of thick bamboo, and fixed mounting has the gas outlet on the top of intercommunication casing, still includes: the treatment pipelines are arranged in a plurality, the treatment pipelines are arranged in the circumferential direction of the cylindrical barrel at equal intervals, and the top end of each treatment pipeline is fixedly connected with the communication shell; the treatment pipeline comprises a first transverse section, a vertical section and a second transverse section, more than one first treatment cavity is arranged in the second transverse section, and a third connecting pipe is fixedly arranged at each first treatment cavity; the unidirectional rotating plate sets are arranged at two ends of the first processing cavity; the first pipe that rotates, the one end of first pipe that rotates is connected through rotating connecting portion and third connecting pipe, and the inside of first pipe and third connecting pipe keeps the intercommunication state, fixed mounting has a plurality of first bars of giving vent to anger on the surface of first pipe, every a plurality of through-holes have all been seted up on the first bar of giving vent to anger.
Preferably, the unidirectional rotating plate group comprises a unidirectional rotating plate, a fixed shaft, a torsion spring and a fixed cap;
The utility model discloses a fixed axle, including fixed axle, fixed cover, one of them fixed cover is fixed to the fixed cover, the fixed cover is provided with a pair of, two equal fixed installations of fixed cover are on the surface of the horizontal straight section of second, one end of fixed axle rotates with one of them fixed cover to be connected, and the other end of fixed axle rotates with another fixed cover to be connected, and one is fixed to cover rotation, and the fixed cover is established on the surface of fixed axle to the cover rotation, the torsional spring is provided with a pair of, two torsional springs respectively with two fixed cover fixed connection, one of them torsional spring is fixed to cover fixed connection that one of them is connected, and another torsional spring is fixed to cover fixed connection that another one is connected.
Preferably, an arc limiting plate is fixedly arranged on the inner surface of each fixing cap, and a bump is fixedly arranged at one end of each fixing sleeve.
Preferably, each first treatment cavity is fixedly provided with a second partition plate and a third partition plate, a sealing cavity is formed between the second partition plate and the unidirectional rotating plate group, a separation ring is fixedly arranged at one end of the first rotating pipe, the separation ring is arranged between the second partition plate and the third partition plate, a plurality of fixing plates are fixedly arranged at equal intervals in the circumferential direction of the separation ring, a notch is formed in the third partition plate, a communicating pipe is fixedly arranged on the second transverse section, a first horn mouth is fixedly arranged at one end of the communicating pipe, the first horn mouth is communicated with the inside of the sealing cavity, and the other end of the communicating pipe is arranged between the second partition plate and the third partition plate.
Preferably, the inside fixed mounting of vertical section has first baffle and waterproof ventilative cloth, waterproof ventilative cloth sets up the top at first baffle, form the second between first baffle and the waterproof ventilative cloth and handle the chamber, the inside of vertical section still fixed mounting has the second horn mouth, the second horn mouth sets up the below department at first baffle, fixed mounting has the second connecting pipe on the second horn mouth, the second connecting pipe has two vertical portions of intercommunication state, and the bottom that is located the vertical portion of second processing intracavity is the end of giving vent to anger.
Preferably, a fourth connecting pipe is fixedly installed on the outer surface of the second transverse section, the top end of the fourth connecting pipe is communicated with the interior of the first processing cavity, and the bottom end of the fourth connecting pipe is communicated with the top end of the second processing cavity.
Preferably, the treatment pipeline is fixedly provided with a second absorption liquid treatment box, the second absorption liquid treatment box is communicated with the inside of the second treatment cavity through a fifth connecting pipe, one end of the second absorption liquid treatment box is fixedly connected with a second water pump, and one end of the second water pump is fixedly connected with a third connecting pipe.
Preferably, the second rotating pipe is rotatably arranged in the cylindrical barrel, the bottom end of the second rotating pipe is rotatably connected with the air inlet pipeline, a motor is fixedly arranged on the outer surface of the cylindrical barrel, the output end of the motor is fixedly connected with the top end of the second rotating pipe, a plurality of second air outlet rods are fixedly arranged on the outer surface of the second rotating pipe, and a plurality of air outlet holes are formed in the outer surface of the second air outlet rods.
Preferably, a plurality of ventilation plates are fixedly installed in the first transverse section, a shaft rod is rotatably supported on the ventilation plates, a plurality of stirring rods are fixedly installed on the outer surface of the shaft rod, a driven bevel gear is fixedly installed at one end of the shaft rod, a driving bevel gear is fixedly installed on the second rotary pipe, and the driving bevel gear and the driven bevel gear are kept in an engaged state.
Preferably, the bottom of cylindricality section of thick bamboo department fixed mounting has first absorption liquid to handle the case, fixed mounting has first connecting pipe on the bottom of first absorption liquid to handle the case, the top of first connecting pipe and the top fixed connection of cylindricality section of thick bamboo, fixedly on the first connecting pipe be provided with first water pump.
Compared with the prior art, the invention has the following beneficial effects:
The top end of each treatment pipeline is fixedly connected with the communication shell through a plurality of treatment pipelines which are arranged at equal intervals in the circumferential direction of the cylindrical barrel; the treatment pipeline comprises a first transverse section, a vertical section and a second transverse section, a plurality of treatment pipelines are used for simultaneously treating aldehyde-containing substances, the treatment pipelines can be used for removing aldehyde from the aldehyde-containing substances for a plurality of times, the treatment efficiency of the aldehyde-containing substances can be improved, aldehyde impurities in the aldehyde-containing substances can be fully absorbed, the quality of products can be improved, and a guarantee is provided for the production of subsequent products.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a process tube according to the present invention;
FIG. 3 is a schematic diagram of a second absorption liquid treating tank, a third connecting pipe and a first air outlet rod according to the present invention;
FIG. 4 is a schematic diagram showing the split structure of the second separator, the third separator, the spacer ring and the first rotating pipe according to the present invention;
FIG. 5 is a schematic diagram of the split structure of the unidirectional rotating plate, the fixed shaft, the torsion spring, the fixed cap and the fixed sleeve in the invention;
FIG. 6 is an enlarged view of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the fixing cap of the present invention;
Fig. 8 is a schematic structural diagram of a second rotary tube, an air inlet pipe, a second air outlet rod, a shaft rod and an air permeable plate according to the present invention.
11. A cylindrical barrel; 12. a treatment pipeline; 121. a first transverse straight section; 122. a vertical section; 123. a second transverse straight section; 124. a first processing chamber; 125. sealing the cavity; 126. a second processing chamber; 13. a communication housing; 14. an air outlet; 15. a communicating pipe; 151. a first flare;
21. a first absorption liquid treatment tank; 22. a first connection pipe; 23. a first water pump;
31. a second rotary pipe; 32. an air intake duct; 33. a second air outlet rod; 34. a motor; 35. a drive bevel gear;
41. a shaft lever; 42. a stirring rod; 43. a ventilation plate; 44. a driven bevel gear;
51. A unidirectional rotating plate; 52. a fixed shaft; 53. a torsion spring; 54. a fixing cap; 541. an arc limiting plate; 55. a fixed sleeve; 551. a bump;
61. a first separator; 62. waterproof breathable cloth; 63. a second connection pipe; 64. a second flare;
71. A second absorption liquid treatment tank; 72. a second water pump; 73. a third connection pipe; 74. a first rotating pipe; 75. a first air outlet rod; 76. a rotary connection part; 77. a fourth connection pipe; 78. a fifth connection pipe;
81. a second separator; 82. a third separator; 821. a notch; 83. a spacer ring; 84. and a fixing plate.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-8, the examples being provided for illustration only and not for limitation of the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one: referring to fig. 1 to 8, the invention provides an aldehyde removing tower for removing aldehyde impurities in acetic acid, the aldehyde removing tower comprises a cylindrical barrel 11, a treatment pipeline 12 and a communication shell 13, the bottom end of the treatment pipeline 12 is fixedly connected with the cylindrical barrel 11, the top end of the treatment pipeline 12 is fixedly connected with the communication shell 13, an air outlet 14 is fixedly arranged on the top end of the communication shell 13, the treatment pipeline 12 is provided with a plurality of treatment pipelines 12 which are distributed at equal intervals in the circumferential direction of the cylindrical barrel 11, an absorption liquid is stored in an inner cavity of the cylindrical barrel 11, an air inlet pipeline 32 is fixedly arranged on the cylindrical barrel 11, a second rotary pipe 31 is rotatably arranged in the cylindrical barrel 11, the bottom end of the second rotary pipe 31 is rotatably connected with the air inlet pipeline 32, a plurality of second air outlet rods 33 are fixedly arranged on the outer surface of the second rotary pipe 31, a plurality of holes are formed in the outer surface of the second air outlet rods 33, aldehyde-containing substances are fed into the second rotary pipe 31 through the air inlet pipeline 32 and then discharged through the air outlet holes formed in the second air outlet rods 33, the aldehyde-containing substances are uniformly distributed in the circumferential direction of the cylindrical barrel 11, the absorption liquid is stored in the inner cavity of the cylindrical barrel 11, the cylindrical barrel 11 is rotatably connected with the second rotary pipe 31 in a manner, the aldehyde-containing substance is uniformly contacts with the absorption liquid in the cylindrical barrel 11, the absorption liquid is uniformly, and the absorption liquid is rotatably connected with the cylindrical barrel 31, the absorption liquid is rotatably arranged in the cylindrical barrel is rotatably and can be in the cylindrical barrel and can be more completely contacted with the absorption liquid inside the cylindrical barrel 11, and is rotatably and is in the absorption liquid inside the absorption liquid; the bottom end of the cylindrical barrel 11 is fixedly provided with a first absorption liquid treatment box 21, the bottom end of the first absorption liquid treatment box 21 is fixedly provided with a first connecting pipe 22, the top end of the first connecting pipe 22 is fixedly connected with the top end of the cylindrical barrel 11, the first connecting pipe 22 is fixedly provided with a first water pump 23, the absorption liquid in the cylindrical barrel 11 can continuously absorb aldehyde impurities in aldehyde substances, the first absorption liquid treatment box 21 can treat the absorption liquid, so that the absorption liquid can not reach a saturated state when the aldehyde substances are absorbed, the absorption liquid can be ensured to continuously carry out aldehyde removal treatment on the aldehyde substances, the aldehyde substances can be effectively removed in the acetic acid production process, and the quality of products can be improved;
Wherein the process tube 12 comprises a first transverse straight section 121, a vertical section 122 and a second transverse straight section 123; the inside of the first horizontal section 121 is fixedly provided with the plurality of ventilation plates 43, the inside of the first horizontal section 121 is filled with absorption liquid, aldehyde-containing substances discharged by the second air outlet rod 33 can enter the first horizontal section 121, the aldehyde-containing substances need to enter the vertical section 122 through the ventilation holes on the ventilation plates 43, and further each ventilation plate 43 can increase the stay time of the aldehyde-containing substances in the first horizontal section 121, so that the aldehyde-containing substances can be more fully contacted with the absorption liquid; the ventilation plate 43 is rotatably supported with a shaft lever 41, a plurality of stirring rods 42 are fixedly arranged on the outer surface of the shaft lever 41, a driven bevel gear 44 is fixedly arranged at one end of the shaft lever 41, a driving bevel gear 35 is fixedly arranged on the second rotary tube 31, the driving bevel gear 35 and the driven bevel gear 44 keep a meshed state, when the second rotary tube 31 rotates, the shaft lever 41 is rotated through the transmission function between the driving bevel gear 35 and the driven bevel gear 44, and the plurality of stirring rods 42 are used for stirring the absorption liquid, so that the absorption liquid is beneficial to uniformly absorbing aldehyde impurities in aldehyde-containing substances; in the vertical section 122, a first partition 61 and a waterproof and breathable cloth 62 are fixedly installed in the vertical section 122, the waterproof and breathable cloth 62 is arranged above the first partition 61, a second treatment cavity 126 is formed between the first partition 61 and the waterproof and breathable cloth 62, the inside of the second treatment cavity 126 is filled with absorption liquid, a second horn mouth 64 is fixedly installed in the inside of the vertical section 122, the second horn mouth 64 is arranged below the first partition 61, a second connecting pipe 63 is fixedly installed on the second horn mouth 64, the second connecting pipe 63 is provided with two vertical parts in a communicating state, one vertical part is positioned outside the vertical section 122, the other vertical part is positioned in the second treatment cavity 126, the bottom end of the other vertical part is an air outlet end, aldehyde-containing substances passing through the first horizontal section 121 are collected by the second horn mouth 64, the aldehyde-containing substances enter the second connecting pipe 63 until the discharged aldehyde-containing substances contact the absorption liquid in the second treatment cavity 126, and the aldehyde-containing substances are discharged by the waterproof cloth 62 after contacting the absorption liquid; the second transverse straight section 123 is internally provided with more than one first treatment cavity 124, aldehyde-containing substances passing through the waterproof breathable cloth 62 can enter the first treatment cavities 124, a third connecting pipe 73 is fixedly arranged at each first treatment cavity 124, one end of the third connecting pipe 73 is rotationally connected with the first rotating pipe 74 through a rotating connecting part 76, the first rotating pipe 74 is communicated with the inside of the third connecting pipe 73, a plurality of first air outlet rods 75 are fixedly arranged on the outer surface of the first rotating pipe 74, a plurality of through holes are formed in each first air outlet rod 75, absorbing liquid is conveyed into the first rotating pipe 74 through the third connecting pipe 73 and is discharged from the through holes in the first air outlet rods 75, the absorbing liquid is sprayed into the first treatment cavities 124 and fully contacted with the aldehyde-containing substances, impurities in the aldehyde-containing substances are absorbed, and the aldehyde-containing substances can be fully removed through the treatment of the aldehyde-containing substances for a plurality of times, so that the quality of acetic acid products is improved;
it should be noted that, a unidirectional rotation plate set is disposed at both ends of the first processing chamber 124, and the unidirectional rotation plate set includes a unidirectional rotation plate 51, a fixed shaft 52, a torsion spring 53, and a fixing cap 54;
The fixing caps 54 are provided with a pair, the two fixing caps 54 are fixedly arranged on the outer surface of the second transverse section 123, one end of the fixing shaft 52 is rotationally connected with one fixing cap 54, the other end of the fixing shaft 52 is rotationally connected with the other fixing cap 54, the unidirectional rotating plates 51 are provided with a pair, each unidirectional rotating plate 51 is fixedly provided with a fixing sleeve 55, the fixing sleeves 55 are rotationally sleeved on the outer surface of the fixing shaft 52, the torsion springs 53 are provided with a pair, the two torsion springs 53 are respectively and fixedly connected with the two fixing caps 54, one torsion spring 53 is fixedly connected with the fixing sleeve 55 connected with one unidirectional rotating plate 51, the other torsion spring 53 is fixedly connected with the fixing sleeve 55 connected with the other unidirectional rotating plate 51, aldehyde-containing substances can move into the first treatment cavity 124 in the use process of the aldehyde-removing tower, so that the pressure on one side of the unidirectional rotating plate 51 is continuously larger, and when the pressure on one side of the unidirectional rotating plate 51 is higher than the elastic acting force of the torsion springs 53, the unidirectional rotating plate 51 can rotate, the second transverse section 123 is opened, the aldehyde-containing substances can be absorbed by the unidirectional rotating plate 51, and the aldehyde-containing substances can be absorbed by the first treatment cavity 75 after passing through the first transverse section, the aldehyde-containing substances can be absorbed by the first aldehyde-containing channel, and the aldehyde-containing substances can not be absorbed by the first aldehyde substances; it should be added that, an arc-shaped limiting plate 541 is fixedly installed on the inner surface of each fixing cap 54, a protruding block 551 is fixedly installed on one end of the fixing sleeve 55, and the movement of the protruding block 551 is limited by the arc-shaped limiting plate 541, so that the unidirectional rotating plate 51 can only rotate in the direction of moving the aldehyde-containing substance.
The scheme in the first embodiment is further elaborated on the basis of the first embodiment in combination with the following specific working modes, and the details are described below.
Embodiment two: the inside fixed mounting of every first processing chamber 124 has second baffle 81 and third baffle 82, form sealed chamber 125 between second baffle 81 and the unidirectional rotating plate 51, fixed mounting has the spacer ring 83 on the one end of first transfer tube 74, spacer ring 83 sets up between second baffle 81 and third baffle 82, equidistant fixed mounting has a plurality of fixed plates 84 in the circumferencial direction of spacer ring 83, the breach 821 has been seted up on the third baffle 82, fixed mounting has communicating pipe 15 on the second horizontal straight section 123, fixed mounting has first horn mouth 151 on one end of communicating pipe 15, first horn mouth 151 is linked together with the inside of sealed chamber 125, the other end setting of communicating pipe 15 is in between second baffle 81 and third baffle 82, the aldehyde-containing substance through unidirectional rotating plate group gets into sealed chamber 125 at first, the pressure in the sealed chamber 125 is also great, aldehyde-containing substance in the sealed chamber 125 just gets into communicating pipe 15 through first horn mouth 151, spray aldehyde-containing substance on fixed plate 84 by 15, after fixed plate 84 receives aldehyde-containing substance's thrust, make spacer ring 83 and first transfer tube 83 rotate, can not be contacted with the first transfer tube 75 all around with the rotation of the end-to remove the aldehyde-containing substance because of the first transfer tube, the full contact with the aldehyde-containing substance is absorbed by the first transfer tube 75, can not be absorbed by the aldehyde-containing substance.
Embodiment III: a fourth connecting pipe 77 is fixedly arranged on the outer surface of the second transverse straight section 123, the top end of the fourth connecting pipe 77 is communicated with the inside of the first processing cavity 124, the bottom end of the fourth connecting pipe 77 is communicated with the top end of the second processing cavity 126, and the absorption liquid sprayed by the first air outlet rod 75 enters the fourth connecting pipe 77 and is guided into the second processing cavity 126 by the fourth connecting pipe 77; the second absorption liquid treatment tank 71 is fixedly arranged on the treatment pipeline 12, the second absorption liquid treatment tank 71 is communicated with the inside of the second treatment cavity 126 through the fifth connecting pipe 78, one end of the second absorption liquid treatment tank 71 is fixedly connected with the second water pump 72, one end of the second water pump 72 is fixedly connected with the third connecting pipe 73, the absorption liquid in the second treatment cavity 126 is pumped into the second absorption liquid treatment tank 71, the second absorption liquid treatment tank 71 is used for treating the absorption liquid, so that the absorption liquid can not reach a saturated state when the aldehyde-containing substances are absorbed, the absorption liquid can be continuously used for carrying out aldehyde removal treatment on the aldehyde-containing substances, the absorption liquid treated by the second absorption liquid treatment tank 71 is pumped into the third connecting pipe 73 through the second water pump 72, and finally is discharged through the first air outlet rod 75, so that the absorption liquid in the second treatment cavity 126 and the first treatment cavity 124 can be recycled, and not only can the aldehyde removal quality of the aldehyde-containing substances be improved, but also the working efficiency of the aldehyde removal tower can be improved.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings, without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (10)
1. The utility model provides a aldehyde tower that removes for getting rid of aldehyde impurity in acetic acid, includes cylindricality section of thick bamboo (11) and intercommunication casing (13), fixed mounting has air inlet duct (32) on cylindricality section of thick bamboo (11), and fixed mounting has gas outlet (14) on the top of intercommunication casing (13), its characterized in that still includes:
The treatment pipelines (12) are arranged in a plurality, the treatment pipelines (12) are arranged in the circumferential direction of the cylindrical barrel (11) at equal intervals, and the top end of each treatment pipeline (12) is fixedly connected with the communication shell (13); the treatment pipeline (12) comprises a first transverse section (121), a vertical section (122) and a second transverse section (123), more than one first treatment cavity (124) is arranged in the second transverse section (123), and a third connecting pipe (73) is fixedly arranged at each first treatment cavity (124);
Unidirectional rotating plate groups arranged at two ends of the first processing cavity (124);
The device comprises a first rotating pipe (74), wherein one end of the first rotating pipe (74) is rotationally connected with a third connecting pipe (73) through a rotating connecting part (76), the first rotating pipe (74) is communicated with the inside of the third connecting pipe (73), a plurality of first air outlet rods (75) are fixedly arranged on the outer surface of the first rotating pipe (74), and a plurality of through holes are formed in each first air outlet rod (75).
2. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 1, wherein: the unidirectional rotating plate group comprises a unidirectional rotating plate (51), a fixed shaft (52), a torsion spring (53) and a fixed cap (54);
The utility model discloses a fixed cover, including fixed cover (55), fixed cover (55) are fixed on fixed axle (52), fixed cover (54) are provided with a pair of, two fixed caps (54) are all fixed mounting on the surface of second horizontal straight section (123), one end and one of them fixed cap (54) of fixed axle (52) rotate to be connected, the other end and the other fixed cap (54) of fixed axle (52) rotate to be connected, one-way commentaries on classics board (51) are provided with a pair of, fixed cover (55) are rotated the cover and are established on the surface of fixed axle (52), torsional spring (53) are provided with a pair of, two torsional springs (53) respectively with two fixed caps (54) fixed connection, fixed cover (55) fixed connection that one of one-way commentaries on classics board (51) are connected to another torsional spring (53).
3. A dealdehyding column for removing aldehyde impurities from acetic acid as set forth in claim 2, wherein: an arc limiting plate (541) is fixedly arranged on the inner surface of each fixing cap (54), and a lug (551) is fixedly arranged at one end of each fixing sleeve (55).
4. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 1, wherein: every inside fixed mounting of first processing chamber (124) has second baffle (81) and third baffle (82), form sealed chamber (125) between second baffle (81) and the unidirectional rotation board group, fixed mounting has isolating ring (83) on the one end of first transfer pipe (74), isolating ring (83) set up between second baffle (81) and third baffle (82), equidistant fixed mounting has a plurality of fixed plates (84) in the circumferencial direction of isolating ring (83), set up breach (821) on third baffle (82), fixed mounting has communicating pipe (15) on the horizontal straight section of second (123), fixed mounting has first horn mouth (151) on the one end of communicating pipe (15), the inside of first horn mouth (151) and sealed chamber (125) is linked together, the other end setting of communicating pipe (15) is between second baffle (81) and third baffle (82).
5. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 4, wherein: the inside fixed mounting of vertical section (122) has first baffle (61) and waterproof ventilative cloth (62), waterproof ventilative cloth (62) set up the top at first baffle (61), form second processing chamber (126) between first baffle (61) and waterproof ventilative cloth (62), the inside of vertical section (122) still fixed mounting has second horn mouth (64), second horn mouth (64) set up the below department at first baffle (61), fixed mounting has second connecting pipe (63) on second horn mouth (64), second connecting pipe (63) have two vertical portions of intercommunication state, are located the bottom of the vertical portion in second processing chamber (126) and are the end of giving vent to anger.
6. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 5, wherein: a fourth connecting pipe (77) is fixedly arranged on the outer surface of the second transverse section (123), the top end of the fourth connecting pipe (77) is communicated with the inside of the first treatment cavity (124), and the bottom end of the fourth connecting pipe (77) is communicated with the top end of the second treatment cavity (126).
7. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 6, wherein: the treatment pipeline (12) is fixedly provided with a second absorption liquid treatment box (71), the second absorption liquid treatment box (71) is communicated with the inside of a second treatment cavity (126) through a fifth connecting pipe (78), one end of the second absorption liquid treatment box (71) is fixedly connected with a second water pump (72), and one end of the second water pump (72) is fixedly connected with a third connecting pipe (73).
8. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 1, wherein: the inside rotation of cylindricality section of thick bamboo (11) is installed second and is changeed pipe (31), the bottom and the admission line (32) of second change pipe (31) rotate to be connected, fixed mounting has motor (34) on the surface of cylindricality section of thick bamboo (11), the output of motor (34) and the top fixed connection of second change pipe (31), fixed mounting has a plurality of second gas-out pole (33) on the surface of second change pipe (31), a plurality of ventholes have been seted up on the surface of second gas-out pole (33).
9. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 8, wherein: the inside fixed mounting of first violently straight section (121) has a plurality of ventilative boards (43), rotate on ventilative board (43) and support have axostylus axostyle (41), fixed mounting has a plurality of puddlers (42) on the surface of axostylus axostyle (41), fixed mounting has driven bevel gear (44) on the one end of axostylus axostyle (41), fixed mounting has driving bevel gear (35) on second change tub (31), driving bevel gear (35) keep the meshing state with driven bevel gear (44).
10. The dealdehyding tower for removing aldehyde impurities from acetic acid as set forth in claim 9, wherein: the bottom of cylindricality section of thick bamboo (11) is located fixed mounting has first absorption liquid to handle case (21), fixed mounting has first connecting pipe (22) on the bottom of first absorption liquid to handle case (21), the top of first connecting pipe (22) and the top fixed connection of cylindricality section of thick bamboo (11), fixed first water pump (23) that are provided with on first connecting pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410353590.XA CN117942722A (en) | 2024-03-27 | 2024-03-27 | Aldehyde removal tower for removing aldehyde impurities in acetic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410353590.XA CN117942722A (en) | 2024-03-27 | 2024-03-27 | Aldehyde removal tower for removing aldehyde impurities in acetic acid |
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| CN117942722A true CN117942722A (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410353590.XA Pending CN117942722A (en) | 2024-03-27 | 2024-03-27 | Aldehyde removal tower for removing aldehyde impurities in acetic acid |
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| CN (1) | CN117942722A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495438A (en) * | 2006-08-01 | 2009-07-29 | 利安德化学技术有限公司 | Preparation of acetic acid |
| CN101506137A (en) * | 2006-08-22 | 2009-08-12 | 利安德化学技术有限公司 | Purification of acetic acid |
| CN104736510A (en) * | 2012-10-31 | 2015-06-24 | 利安德巴塞尔乙酰有限责任公司 | Removal of aldehydes in acetic acid production |
| US20160121320A1 (en) * | 2013-06-12 | 2016-05-05 | Chiyoda Corporation | Aldehyde adsorbent, method for removing aldehyde, method for producing acetic acid, and method for regenerating aldehyde adsorbent |
| CN219804430U (en) * | 2023-05-23 | 2023-10-10 | 河北建滔能源发展有限公司 | Aldehyde removing device |
-
2024
- 2024-03-27 CN CN202410353590.XA patent/CN117942722A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495438A (en) * | 2006-08-01 | 2009-07-29 | 利安德化学技术有限公司 | Preparation of acetic acid |
| CN101506137A (en) * | 2006-08-22 | 2009-08-12 | 利安德化学技术有限公司 | Purification of acetic acid |
| CN104736510A (en) * | 2012-10-31 | 2015-06-24 | 利安德巴塞尔乙酰有限责任公司 | Removal of aldehydes in acetic acid production |
| US20160121320A1 (en) * | 2013-06-12 | 2016-05-05 | Chiyoda Corporation | Aldehyde adsorbent, method for removing aldehyde, method for producing acetic acid, and method for regenerating aldehyde adsorbent |
| CN219804430U (en) * | 2023-05-23 | 2023-10-10 | 河北建滔能源发展有限公司 | Aldehyde removing device |
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