CN210159431U

CN210159431U - Tail gas absorption tower in chemical industry

Info

Publication number: CN210159431U
Application number: CN201920626243.4U
Authority: CN
Inventors: 陈关水
Original assignee: Jiangsu Cairui Industrial Co ltd
Current assignee: Jiangsu Cairui Industrial Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-03-20
Anticipated expiration: 2029-05-05

Abstract

The utility model provides a tail gas absorption tower of chemical industry, includes absorption tower body, upper cover, air inlet, gas outlet, lift drive, upper bracket, lower carriage, a set of spray column, feed liquor pipe, liquid back flow, intake pipe and a set of aeration head, a set of aeration head sets up in the intake pipe, the spray column sets up on lift drive, the one end setting of feed liquor pipe is in the spray column to the other end setting of feed liquor pipe is outside at the absorption tower body and is connected with the liquid supply device, the bottom in the absorption tower body is equipped with the washing liquid to highly surpassing the height of a set of aeration head of washing liquid in the absorption tower body, be equipped with a set of jet orifice on the outer wall of spray column. The utility model discloses a tail gas absorption tower of chemical industry, the washing liquid that sprays through absorption tower body and a set of spray can realize dual purification's effect to adjust the height of a set of spray can in a flexible way through elevating gear, adapt to getting rid of different pollutants.

Description

Tail gas absorption tower in chemical industry

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, specifically, relate to a tail gas absorption tower of chemical industry.

Background

The treatment problem of the generated waste gas in chemical and petrochemical industries is always the subject of research, most factories use incineration or tail gas washing means to realize the treatment, and H is₂S，SO₂，NH₃Phthalic anhydride and other similar substances are mostly washed by constructing a tail gas absorption tower, and currently, a packed tower is mainly used.

The related documents also disclose a packed tower for absorbing tail gas, which absorbs tail gas after contacting water through a packed plate in the tower, but the packed tower is often blocked, has the defects of complex and complicated overhaul treatment, high manufacturing cost, small utilization rate of water-gas contact area, large amount of spray water and the like, and causes cost increase and resource waste.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a tail gas absorption tower of chemical industry, it is little with gas area of contact to have solved the tail gas absorbing device among the prior art at present, the limited technical problem of purifying effect.

The technical scheme is as follows: the utility model provides a tail gas absorption tower of chemical industry, which comprises an absorption tower body, an upper cover, an air inlet, an air outlet, a lifting driving device, an upper supporting frame, a lower supporting frame, a group of spray cylinders, a liquid inlet pipe, a liquid return pipe, an air inlet pipe and a group of aeration heads, wherein the absorption tower body is of a cylindrical structure with an upper end open, the upper cover is arranged at the upper end opening of the absorption tower body, the air inlet is arranged at the lower end part of the absorption tower body, the air inlet is communicated with the air inlet pipe, the air outlet is arranged on the upper cover, the group of aeration heads are arranged on the air inlet pipe, the lifting driving device is arranged on the upper cover, the upper supporting frame is arranged on the upper cover, the lower supporting frame is arranged at the lower end part in the absorption tower body, the spray cylinders are arranged on the lifting driving device, one end of the liquid inlet pipe, the other end of the liquid inlet pipe is arranged outside the absorption tower body and connected with the liquid supply device, the liquid return pipe is arranged at the lower end of the absorption tower body and communicated with the inside of the absorption tower body, cleaning liquid is arranged at the bottom inside the absorption tower body, the height of the cleaning liquid in the absorption tower body exceeds that of a group of aeration heads, and a group of jet holes are formed in the outer wall of the spray cylinder. The utility model discloses a tail gas absorption tower of chemical industry, the washing liquid that sprays through absorption tower body and a set of spray can realize dual purification's effect to adjust the height of a set of spray can in a flexible way through elevating gear, adapt to getting rid of different pollutants.

Further, foretell chemical industry's tail gas absorption tower, lift drive includes driving motor, gear drive assembly, a set of screw rod and a set of slider, driving motor sets up on the upper cover, gear drive assembly sets up on the upper bracket to gear drive assembly is connected with driving motor, the upper end and the gear drive assembly of a set of screw rod are connected to a set of screw rod passes through the screw rod supporting seat and sets up on the lower carriage, the slider cover is established on the screw rod, a section of thick bamboo setting sprays is on the slider. The motor drives the screw rod to rotate, and the screw rod drives the sliding block sleeved on the screw rod to move up and down, so that the height position of the spraying cylinder can be adjusted.

Further, foretell chemical industry's tail gas absorption tower, gear drive assembly includes the action wheel and a set of follow driving wheel, the action wheel is connected with driving motor, a set of follow driving wheel meshes with the action wheel respectively, action wheel and a set of follow driving wheel all are connected with the screw rod. The driving wheel is driven to rotate by one motor, and the driving wheel drives one group of driven wheels, so that the plurality of screw rods can rotate.

Further, foretell chemical industry's tail gas absorption tower, lift drive still includes a set of guide post, a set of guide post sets up between upper bracket and lower carriage, the spray tube cover is established on the guide post, a set of guide post sets up on the circumference that uses the screw rod as the center with annular array's mode. The guide post keeps the stability that the shower barrel reciprocated.

Further, foretell tail gas absorption tower of chemical industry, the intake pipe includes first ring pipe, second ring pipe, third ring pipe and a set of connecting pipe, first ring pipe, second ring pipe, third ring pipe are the concentric circles structure to the diameter of first ring pipe, second ring pipe, third ring pipe increases gradually, a set of connecting pipe setting all is equipped with a set of connecting pipe between first ring pipe and second ring pipe, between second ring pipe and the third ring pipe, all be equipped with a set of aeration head on first ring pipe, second ring pipe, third ring pipe and the a set of connecting pipe. The multilayer annular tube structure that sets up can improve the homogeneity of gas distribution, and the gas of being convenient for is evenly laid in the absorption tower body.

Further, in the tail gas absorption tower in the chemical industry, the lower end part of the absorption tower body is provided with the defogging layer, the defogging layer is positioned above the cleaning solution in the absorption tower body, and the defogging layer is positioned below the lower support frame. The demisting layer prevents the purification effect from being influenced by a large amount of bubbles formed under the action of aeration and accompanying with the rising of gas.

Furthermore, in the tail gas absorption tower in the chemical industry, a sewage discharge outlet is formed in the bottom of the tower body of the absorption tower. The drain that sets up is in the bottommost of absorption tower body, is convenient for discharge impurity.

Furthermore, in the tail gas absorption tower in the chemical industry, the lower end part of the tower body of the absorption tower is in a contracted shape. The lower end part of the contraction shape is convenient for discharging the liquid in the tower body of the absorption tower.

Further, foretell chemical industry's tail gas absorption tower, the under bracing frame includes support frame body, fixing base one and a set of fixing base two, the support frame body is fixed to be set up on the inner wall of absorption tower body, fixing base one sets up the central point at the support frame body and just to setting up from top to bottom fixing base one and the action wheel, a set of fixing base two is in order to set up on the support frame body to fixing base two is just to setting up from a pair of one of driving wheel. The first fixing seat and the second fixing seat are used for supporting the screw rod.

Furthermore, in the tail gas absorption tower in the chemical industry, a guide sliding sleeve is arranged at the joint of the guide column and the spray cylinder. Can keep a shower section of thick bamboo through the direction sliding sleeve to reciprocate smoothly on the guide post.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: chemical industry's tail gas absorption tower, structural design is reasonable, convenient to use, through setting up spraying that sets up washing liquid and shower in the absorption tower body, form dual purifying effect to set up the washing liquid and spray the head of a river submergence completely at the absorption tower in vivo, gas and liquid can fully contact, combine the gaseous in-process that rises and the liquid contact that the shower sprayed the department, form secondary purification, improved purifying effect, make the combustion gas reach emission standard, have very high spreading value.

Drawings

Fig. 1 is a schematic structural diagram of a tail gas absorption tower in the chemical industry of the present invention;

FIG. 2 is a schematic structural diagram II of a tail gas absorption tower in the chemical industry according to the present invention;

fig. 3 is a schematic structural view of the gear transmission assembly of the present invention;

fig. 4 is a schematic structural view of the spray cylinder of the present invention;

fig. 5 is a schematic structural view of the intake pipe of the present invention;

fig. 6 is a schematic structural view of the lower supporting frame of the present invention.

In the figure: the device comprises an absorption tower body 1, an upper cover 2, an air inlet 3, an air outlet 4, a lifting driving device 5, a driving motor 51, a gear transmission assembly 52, a driving wheel 521, a driven wheel 522, a screw 53, a slide block 54, a guide column 55, a guide sliding sleeve 551, an upper support frame 6, a lower support frame 7, a support frame body 71, a first fixed seat 72, a second fixed seat 73, a spray cylinder 8, a spray hole 81, a liquid inlet pipe 9, a liquid return pipe 10, an air inlet pipe 11, a first annular pipe 111, a second annular pipe 112, a third annular pipe 113, a connecting pipe 114, an aeration head 12, a demisting layer 13 and a sewage outlet 14.

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 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1, 2 and 4, the tail gas absorption tower in chemical industry comprises an absorption tower body 1, an upper cover 2, an air inlet 3, an air outlet 4, a lifting driving device 5, an upper support frame 6, a lower support frame 7, a group of spray cylinders 8, a liquid inlet pipe 9, a liquid return pipe 10, an air inlet pipe 11 and a group of aeration heads 12, wherein the absorption tower body 1 is a cylindrical structure with an open upper end, the upper cover 2 covers the upper opening of the absorption tower body 1, the air inlet 3 is arranged at the lower end of the absorption tower body 1, the air inlet 3 is communicated with the air inlet pipe 11, the air outlet 4 is arranged on the upper cover 2, the group of aeration heads 12 is arranged on the air inlet pipe 11, the lifting driving device 5 is arranged on the upper cover 2, the upper support frame 6 and the lower support frame 7, the upper support frame 6 is arranged on the upper cover 2, the lower support frame 7 is arranged at the, the spray cylinder 8 is arranged on the lifting driving device 5, one end of the liquid inlet pipe 9 is arranged in the spray cylinder 8, the other end of the liquid inlet pipe 9 is arranged outside the absorption tower body 1 and is connected with the liquid supply device, the liquid return pipe 10 is arranged at the lower end part of the absorption tower body 1, the liquid return pipe 10 is communicated with the inside of the absorption tower body 1, cleaning liquid is arranged at the bottom inside the absorption tower body 1, the height of the cleaning liquid inside the absorption tower body 1 exceeds the height of the aeration heads 12, and a group of spray holes 81 are formed in the outer wall of the spray cylinder 8. Wherein, the lower tip of absorption tower body 1 is equipped with defogging layer 13, defogging layer 13 is located absorption tower body 1 interior washing liquid top to defogging layer 13 is located the lower carriage 7 below. The bottom of the absorption tower body 1 is provided with a sewage draining outlet 14. The lower end of the absorption tower body 1 is contracted.

In addition, the lifting driving device 5 comprises a driving motor 51, a gear transmission component 52, a group of screws 53 and a group of sliders 54, wherein the driving motor 51 is arranged on the upper cover 2, the gear transmission component 52 is arranged on the upper support frame 6, the gear transmission component 52 is connected with the driving motor 51, the upper end parts of the group of screws 53 are connected with the gear transmission component 52, the group of screws 53 are arranged on the lower support frame 7 through screw support seats, the sliders 54 are sleeved on the screws 53, and the spray cylinder 8 is arranged on the sliders 54.

As shown in fig. 3, the gear assembly 52 includes a driving wheel 521 and a set of driven wheels 522, the driving wheel 521 is connected to the driving motor 51, the set of driven wheels 522 are respectively engaged with the driving wheel 521, and both the driving wheel 521 and the set of driven wheels 522 are connected to the screw 53. The lifting driving device 5 further comprises a group of guide columns 55, the group of guide columns 55 are arranged between the upper support frame 6 and the lower support frame 7, the spray cylinder 8 is sleeved on the guide columns 55, and the group of guide columns 55 are arranged on the circumference with the screw 53 as the center in an annular array mode. And, the guide post 55 is equipped with the guide sliding sleeve 551 with the junction of the shower canister 8.

As shown in fig. 5, the air inlet pipe 11 includes a first annular pipe 111, a second annular pipe 112, a third annular pipe 113 and a set of connecting pipes 114, the first annular pipe 111, the second annular pipe 112, and the third annular pipe 113 are in a concentric circle structure, diameters of the first annular pipe 111, the second annular pipe 112, and the third annular pipe 113 are gradually increased, the set of connecting pipes 114 are disposed between the first annular pipe 111 and the second annular pipe 112, and between the second annular pipe 112 and the third annular pipe 113, a set of connecting pipes 114 are disposed, and a set of aeration heads 12 is disposed on each of the first annular pipe 111, the second annular pipe 112, the third annular pipe 113, and the set of connecting pipes 114.

As shown in fig. 6, the lower supporting frame 7 includes a supporting frame body 71, a first fixing seat 72 and a second group of fixing seats 73, the supporting frame body 71 is fixedly disposed on the inner wall of the absorption tower body 1, the first fixing seat 72 is disposed at the central position of the supporting frame body 71, the first fixing seat 72 and the driving wheel 521 are disposed opposite to each other up and down, the second group of fixing seats 73 is disposed on the supporting frame body 71, and the second fixing seats 73 and the driven wheels 522 are disposed opposite to each other one by one.

On the basis of the structure, the utility model discloses a tail gas absorption tower of chemical industry's theory of operation does: because intake pipe 11 and a set of aeration head 12 submergence are in the washing liquid, consequently waste gas fills into intake pipe 11 back through air inlet 3, because the aeration of aeration head 12, can fully contact with the washing liquid in the absorption tower body 1, the intermediate position has set up a set of spray can 8 in absorption tower body 1, 8 spun washing liquids of a set of spray can alternately spray on waste gas, carry out the secondary purification of waste gas, can adjust the height of a set of spray can 8 in absorption tower body 1 through the lift drive arrangement 5 that sets up, make purifying effect better.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a tail gas absorption tower of chemical industry which characterized in that: comprises an absorption tower body (1), an upper cover (2), an air inlet (3), an air outlet (4), a lifting driving device (5), an upper support frame (6), a lower support frame (7), a group of spray cylinders (8), a liquid inlet pipe (9), a liquid return pipe (10), an air inlet pipe (11) and a group of aeration heads (12), wherein the absorption tower body (1) is of a cylindrical structure with an open upper end, the upper cover (2) covers the upper end opening of the absorption tower body (1), the air inlet (3) is arranged at the lower end part of the absorption tower body (1), the air inlet (3) is communicated with the air inlet pipe (11), the air outlet (4) is arranged on the upper cover (2), the group of aeration heads (12) is arranged on the air inlet pipe (11), the lifting driving device (5) is arranged on the upper cover (2), the upper support frame (6) and the lower support frame (7), the utility model discloses a tower cleaning device, including upper bracket (6), lower carriage (7), spray tube (8), liquid return pipe (10), upper bracket (6) sets up on upper cover (2), lower tip that lower carriage (7) set up in absorption tower body (1), spray tube (8) set up on lift drive (5), the one end setting of liquid return pipe (9) is in spray tube (8) to the other end setting of liquid return pipe (9) is outside and be connected with liquid supply unit in absorption tower body (1), liquid return pipe (10) set up the lower tip in absorption tower body (1) to liquid return pipe (10) and absorption tower body (1) inside intercommunication, bottom in absorption tower body (1) is equipped with the washing liquid, and the height that highly surpasses a set of aeration head (12) of washing liquid in absorption tower body (1), be equipped with a set of jet orifice (81) on the outer wall of spray tube (8).

2. The tail gas absorption tower in the chemical industry according to claim 1, characterized in that: the lifting driving device (5) comprises a driving motor (51), a gear transmission assembly (52), a group of screws (53) and a group of sliders (54), the driving motor (51) is arranged on the upper cover (2), the gear transmission assembly (52) is arranged on the upper support frame (6), the gear transmission assembly (52) is connected with the driving motor (51), the upper end portion of the group of screws (53) is connected with the gear transmission assembly (52), the group of screws (53) are arranged on the lower support frame (7) through screw support seats, the sliders (54) are sleeved on the screws (53), and the spray cylinder (8) is arranged on the sliders (54).

3. The tail gas absorption tower in the chemical industry according to claim 2, characterized in that: the gear transmission assembly (52) comprises a driving wheel (521) and a group of driven wheels (522), the driving wheel (521) is connected with the driving motor (51), the group of driven wheels (522) are respectively meshed with the driving wheel (521), and the driving wheel (521) and the group of driven wheels (522) are both connected with the screw (53).

4. The tail gas absorption tower in the chemical industry according to claim 2, characterized in that: the lifting driving device (5) further comprises a group of guide columns (55), the group of guide columns (55) are arranged between the upper support frame (6) and the lower support frame (7), the spray cylinder (8) is sleeved on the guide columns (55), and the group of guide columns (55) are arranged on the circumference which takes the screw rods (53) as the center in an annular array mode.

5. The tail gas absorption tower in the chemical industry according to claim 1, characterized in that: the air inlet pipe (11) comprises a first annular pipe (111), a second annular pipe (112), a third annular pipe (113) and a group of connecting pipes (114), wherein the first annular pipe (111), the second annular pipe (112) and the third annular pipe (113) are of a concentric circle structure, the diameters of the first annular pipe (111), the second annular pipe (112) and the third annular pipe (113) are gradually increased, the group of connecting pipes (114) are arranged between the first annular pipe (111) and the second annular pipe (112), a group of connecting pipes (114) are arranged between the second annular pipe (112) and the third annular pipe (113), and a group of aeration heads (12) are arranged on the first annular pipe (111), the second annular pipe (112), the third annular pipe (113) and the group of connecting pipes (114).

6. The tail gas absorption tower in the chemical industry according to claim 1, characterized in that: the lower end of the absorption tower body (1) is provided with a defogging layer (13), the defogging layer (13) is positioned above the cleaning liquid in the absorption tower body (1), and the defogging layer (13) is positioned below the lower support frame (7).

7. The tail gas absorption tower in the chemical industry according to claim 1, characterized in that: and a sewage draining outlet (14) is formed in the bottom of the absorption tower body (1).

8. The tail gas absorption tower in the chemical industry according to claim 1, characterized in that: the lower end part of the absorption tower body (1) is in a shrinkage shape.

9. The tail gas absorption tower in the chemical industry according to claim 3, wherein: the lower support frame (7) comprises a support frame body (71), a first fixing seat (72) and a second fixing seat (73), the support frame body (71) is fixedly arranged on the inner wall of the absorption tower body (1), the first fixing seat (72) is arranged at the central position of the support frame body (71), the first fixing seat (72) and the driving wheel (521) are arranged up and down just opposite to each other, the second fixing seat (73) is arranged on the support frame body (71), and the second fixing seat (73) and the driven wheel (522) are arranged just opposite to each other.

10. The tail gas absorption tower in the chemical industry according to claim 4, wherein: and a guide sliding sleeve (551) is arranged at the joint of the guide column (55) and the spray cylinder (8).