CN219580196U - Defogging type liquid collecting disc - Google Patents

Abstract

The utility model discloses a demisting type liquid collecting disc in the technical field of waste gas treatment, and aims to solve the problems that the liquid collecting disc in the prior art has no good trapping measure on entrainment and is poor in air flow distribution. The device comprises a sleeve and a supporting disc, wherein the supporting disc comprises an upper cover plate, two sides of the upper cover plate are sequentially connected with a connecting plate and a lower cover plate respectively to form a shape structure, and a liquid outlet is formed in the sleeve; the upper cover plate is provided with a plurality of groups of house-shaped distribution pieces with openings at the bottoms, and the inner side walls of the house-shaped distribution pieces are provided with through holes and demisters; the utility model is suitable for waste gas treatment, has high-efficiency and stable demisting performance, can ensure that the air flow distribution is kept uniform, ensures that waste gas and circulating liquid are fully intersected, and further greatly improves the absorption effect.

Description

Defogging type liquid collecting disc

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a defogging type liquid collecting disc.

Background

The absorption method is widely applied to industries such as chemical industry, medicine, semiconductor, solar energy, garbage incineration, coal-fired power plants and the like because of high-efficiency and stable absorption effect, and acid-base waste gas, organic waste gas and the like generated in the processes of the industries are difficult to meet emission requirements when the concentration is high (such as chemical medicine, incineration, coal-fired power plants and the like) or the concentration is low (such as electronics, semiconductor, solar energy and the like), so that the two-stage or multi-stage absorption tower is generally adopted for treatment, and the advantages of compact absorption equipment are particularly outstanding because of space limitation, especially improvement projects.

The liquid collecting disc can well realize the multi-stage function of a tower as an important tower internal part, but the current liquid collecting disc has no good trapping measure on entrainment from the previous stage treatment, and the air flow generally goes out from the lower inlet to the front and back, so that the air flow is uniformly distributed, and the absorption effect is poor.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides a demisting type liquid collecting disc, and solves the problems that the current liquid collecting disc has no good trapping measure on entrainment and has even and poor air flow distribution.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a defogging type liquid collecting disc, which comprises: the support plate comprises an upper cover plate, a connecting plate and a lower cover plate, wherein two sides of the upper cover plate are sequentially connected with the connecting plate and the lower cover plate respectively to form a table-shaped structure, and a liquid outlet for discharging circulating liquid on the lower cover plate is formed in the sleeve;

a plurality of groups of house-shaped distribution pieces with openings at the bottoms are arranged on the upper cover plate, the house-shaped distribution pieces of each group are arranged at intervals, and concave grooves are formed between adjacent house-shaped distribution pieces of each group;

the indoor distribution member is characterized in that through holes and demisters covering the through holes are formed in the inner side wall of the indoor distribution member, and the through holes are formed in the upper portion of the inner side wall of the indoor distribution member and used for preventing circulating liquid in the concave grooves from flowing back into the indoor distribution member through the through holes.

Further, the bottom of upper cover plate is equipped with open-top's U type strip, U type strip is located between two adjacent groups room type distribution piece and both ends run through to the connecting plate outside respectively for with the circulation liquid water conservancy diversion on the upper cover plate to on the lower cover plate.

Further, a plurality of fixing plates are arranged between the adjacent U-shaped strips at intervals.

Further, the house-shaped distribution piece comprises a V-shaped cover plate and a wallboard arranged at the bottom of the V-shaped cover plate, and cover extensions tilted upwards are arranged at the edges of two sides of the V-shaped cover plate.

Further, a grid for supporting the demister is arranged on the inner side wall of the wallboard, and a supporting seat is arranged between the grid and the wallboard.

Further, a plurality of reinforcing plates are arranged between the adjacent side walls of the concave grooves, and a plurality of reinforcing plates are arranged between the lower cover plate and the connecting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the exhaust gas flow rises from the lower part of the liquid collecting disc, enters the interior of the liquid collecting disc through the bottom opening of the house-shaped distribution piece, passes through the through holes after being filtered by the demister, flows to the outer side of the house-shaped distribution piece, reaches the upper part of the liquid collecting disc and is intersected with the circulating liquid phase sprayed down, so that the high-efficiency and stable demisting performance is realized, and the high-efficiency and stable demisting performance can be realized, and a good trapping effect can be realized on water mist, acid mist and particulate matters carried in the corresponding exhaust gas flow from the previous stage of treatment;

2. according to the utility model, through uniformly arranging each group of house-shaped distribution pieces on the upper cover plate and enabling the waste gas to enter from the inside of the house-shaped distribution pieces and exit from the left side and the right side, the air flow distribution can be kept uniform, the waste gas can be fully intersected with the circulating liquid, and the absorption effect is greatly improved;

3. according to the utility model, the two sides of the upper cover plate are respectively connected with the connecting plate and the lower cover plate in sequence to form a table-shaped structure, and the through holes are positioned at the upper part of the inner side wall of the house-type distribution piece, so that flooding can be effectively prevented, and the absorption tower can run more stably and safely;

4. the utility model can adopt one-tower multi-stage process treatment, and has the advantages of reduced occupied area, simple and compact structure, low investment cost in the earlier stage, suitability for waste gas absorption systems in various industries and wide application range.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a front sectional view of a demisting type drip pan according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a method at A in the demister drip pan of FIG. 1;

FIG. 3 is a top view of the demister drip pan of FIG. 1;

FIG. 4 is a schematic view of the structure of the through holes in the demister drip pan shown in FIG. 1;

in the figure: 1. a sleeve; 11. a liquid outlet; 2. a support plate; 21. an upper cover plate; 22. a connecting plate; 23. a lower cover plate; 3. a house-type distribution member; 31. a V-shaped cover plate; 32. a wallboard; 321. a through hole; 33. cover extension; 34. a grille; 35. a support base; 4. a concave groove; 5. a demister; 6. a U-shaped strip; 7. a fixing plate; 8. a reinforcing plate; 9. and a reinforcing plate.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Examples

As shown in fig. 1 to 4, the embodiment of the utility model provides a demisting type liquid collecting disc, which comprises a sleeve 1 and a supporting disc 2 arranged in the sleeve 1, wherein the supporting disc 2 comprises an upper cover plate 21, a connecting plate 22 and a lower cover plate 23, two sides of the upper cover plate 21 are respectively connected with the connecting plate 22 and the lower cover plate 23 in sequence to form a table-shaped structure, and a liquid outlet 11 for discharging circulating liquid on the lower cover plate 23 is formed in the sleeve 1.

When the device is installed, the liquid collecting disc is arranged in the absorption tower, the corresponding exhaust gas flow from the previous stage of treatment rises from the lower part of the liquid collecting disc, circulating liquid is sprayed from the upper part of the liquid collecting disc and falls, and the absorption tower is provided with a drawing bucket extending into the liquid outlet 11 and used for being matched with the liquid outlet 11 to discharge the circulating liquid converged on the lower cover plate 23.

The upper cover plate 21 is provided with a plurality of groups of house-shaped distribution pieces 3 with bottom openings, the house-shaped distribution pieces 3 of each group are arranged at intervals, concave grooves 4 are formed between the adjacent house-shaped distribution pieces 3 of each group, through holes 321 and demisters 5 covering the through holes 321 are arranged on the inner side walls of the house-shaped distribution pieces 3, the through holes 321 are arranged on the upper parts of the inner side walls of the house-shaped distribution pieces 3, and circulating liquid in the concave grooves 4 can be prevented from flowing back into the house-shaped distribution pieces 3 through the through holes 321.

As shown in fig. 4, it can be understood that the through holes 321 may be in the form of elongated holes or circular holes, and are preferably uniformly arranged and have openings at a position at least 50mm higher than the bottom of the concave groove 4, so as to ensure that the exhaust gas can be uniformly discharged and the circulating liquid cannot flow back into the house-shaped distribution member 3 through the through holes 321, thereby blocking the air flow passage. The demister 5 can be one of a folded plate demister, a wire mesh demister, a composite wire mesh demister, demisting filler and the like, and the material can be PP, FRP, PTFE, stainless steel and the like, so that the demister has a good trapping effect on water mist, acid mist and particulate matters carried in waste gas.

When the exhaust gas flow is used, the exhaust gas rises from the lower part of the liquid collecting disc, then enters the inside of the house-shaped distribution piece 3 through the bottom opening of the house-shaped distribution piece 3, and then passes through the through holes 321 after being filtered by the demister 5, so that the exhaust gas flows to the outer side of the house-shaped distribution piece 3, reaches the upper part of the liquid collecting disc and is intersected with the circulating liquid phase sprayed downwards, and the downward left and right side outlet of the exhaust gas is realized; when the liquid condensed by mist in the mist eliminator 5 is collected fully, the liquid overflows from the mist eliminator 5 and flows into the concave grooves 4 between each group of house-shaped distribution pieces 3 through the through holes 321, then flows into a converging groove formed by the connecting plate 22, the lower cover plate 23 and the sleeve 1 from the upper cover plate 21, and finally flows out of the absorption tower through the extraction hopper; the circulating liquid falls onto the house-type distributing member 3, the concave groove 4 or the upper cover plate 21 after being converged and absorbed with the waste gas, and then flows into the converging groove and flows out of the absorption tower through the extraction hopper.

Specifically, the liquid outlet 11 and the corresponding extraction hoppers can be provided with a plurality of liquid outlets, so that the situation that liquid is not discharged timely due to blockage of one extraction hopper and/or increase of spraying liquid can be effectively prevented, and the liquid outlets can be arranged according to actual situations; in addition, the sleeve 1 can be provided with a water supplementing port and a medicine adding port, thereby being convenient for water supplementing, water draining and medicine adding and meeting the requirements of water balance, stability and high-efficiency absorption of the system.

It will be appreciated that the support disc 2 may be square or circular, and thus suitable for use with round or square towers; the various groups of room-type distribution pieces 3 are uniformly arranged on the upper cover plate 21, so that the air flow distribution can be kept uniform, the waste gas can be fully intersected with the circulating liquid, and the absorption effect is greatly improved.

Through the arrangement, the device can have better trapping effect on water mist, acid mist and particulate matters carried in corresponding exhaust gas flow from the previous stage of treatment, has the characteristics of high efficiency, stable demisting performance, uniform gas flow distribution, good sealing performance and the like, can effectively prevent flooding so as to enable the absorption tower to operate more stably and safely, can adopt one-tower multistage process treatment, has a reduced occupied area, is simple and compact in structure, has low early investment cost, is suitable for exhaust gas absorption systems of various industries, and has a wide application range.

As shown in fig. 1 to 3, in the present embodiment, a U-shaped strip 6 with an open top is disposed at the bottom of the upper cover 21, the U-shaped strip 6 is located between two adjacent groups of house-shaped distribution members 3, and two ends of the U-shaped strip respectively penetrate through the outer sides of the connecting plates 22, so as to guide the circulating liquid on the upper cover 21 to the lower cover 23.

Specifically, the U-shaped strips 6 and the house-shaped distribution pieces 3 of each group are arranged in a staggered manner, so that circulating liquid sprayed downwards and mist condensate overflowed from the demister 5 are converged into the concave grooves 4 at first, then are converged into the U-shaped strips 6 through the concave grooves 4, and finally are stably conveyed into converging grooves formed by the connecting plates 22, the lower cover plates 23 and the sleeves 1 on the left side and the right side through the U-shaped strips 6, the flow guiding effect is achieved, the flooding is effectively avoided, and the stability of the device is improved.

As shown in fig. 1, in the present embodiment, a plurality of fixing plates 7 are provided at intervals between adjacent U-shaped bars 6.

Specifically, a plurality of fixed plates 7 are evenly arranged along the axis direction of the U-shaped strip 6, so that the structural strength of the U-shaped strip 6 can be greatly improved, the U-shaped strip 6 is prevented from deforming in the using process, the anti-interference capability of the liquid collecting disc is improved, and the service life is prolonged.

As shown in fig. 1 and 3, in the present embodiment, the house-shaped distribution member 3 includes a V-shaped cover plate 31 and wall plates 32 disposed at the bottom of the V-shaped cover plate 31, and cover extensions 33 tilted upward are disposed at two side edges of the V-shaped cover plate 31.

Specifically, the V-shaped cover plate 31 can buffer and guide the circulating liquid which is sprayed down, so that the splashing of liquid drops caused by direct impact can be reduced, the impact generated by the splashing can be reduced, the absorption stability of waste gas can be improved, and the damage probability of the liquid collecting disc can be reduced.

It should be noted that, the included angle between the cover extension 33 and the two sides of the top of the V-shaped cover plate 31 is 120 ° to 165 °, preferably 135 °, which can change the flow direction of the circulating liquid sprayed down and partially keep the circulating liquid, so as to serve as a buffer device, prevent all the circulating liquid sprayed from impacting the concave groove 4, further reduce the splashing of the liquid drops caused thereby, reduce the impact on the concave groove 4, and prolong the service life of the concave groove 4.

Examples

As shown in fig. 1, this embodiment provides a demister type of drip pan, which is different from the first embodiment in that a grill 34 for supporting the demister 5 is provided on the inner side wall of the wall plate 32, and a support seat 35 is provided between the grill 34 and the wall plate 32.

Specifically, the upper surface, the lower surface and the side surfaces of the demister 5 can be supported by the corresponding grids 34, and supporting seats 35 can be arranged between the grids 34 and the wallboards 32, so that the structural strength of the grids 34 is improved, the stress concentration at the joint of the grids 34 and the wallboards 32 is reduced, the bearing capacity of the grids 34 is improved, the demister 5 is ensured to be well supported and fixed, the demister 5 is prevented from being displaced under the action of air flow, and the demisting effect is further influenced.

In this embodiment, a plurality of reinforcing plates 8 are provided between adjacent side walls of the concave groove 4, and a plurality of reinforcing plates 9 are provided between the lower cover plate 23 and the connecting plate 22.

Specifically, the adjacent house-shaped distribution pieces 3 of each group are connected through the reinforcing plate 8, so that the structural strength of the house-shaped distribution pieces 3 is improved, deformation and fracture in the use process are avoided, the stability of connection between the lower cover plate 23 and the connecting plate 22 is enhanced by the reinforcing plate 9, the stress concentration of the connection position of the lower cover plate 23 and the connecting plate 22 is reduced, the overall stability of the liquid collecting disc is greatly improved, and the normal use of the liquid collecting disc is ensured.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (4)

1. A defogging drip pan, comprising: the device comprises a sleeve (1) and a supporting disc (2) arranged in the sleeve (1), wherein the supporting disc (2) comprises an upper cover plate (21), a connecting plate (22) and a lower cover plate (23), two sides of the upper cover plate (21) are sequentially connected with the connecting plate (22) and the lower cover plate (23) respectively to form a shape structure, and a liquid outlet (11) for discharging circulating liquid on the lower cover plate (23) is formed in the sleeve (1);

a plurality of groups of house-shaped distribution pieces (3) with openings at the bottoms are arranged on the upper cover plate (21), the house-shaped distribution pieces (3) of each group are arranged at intervals, and concave grooves (4) are formed between adjacent house-shaped distribution pieces (3) of each group;

the indoor distribution part (3) is provided with a through hole (321) and a demister (5) covering the through hole (321), wherein the through hole (321) is positioned at the upper part of the indoor distribution part (3) and is used for preventing circulating liquid in the concave groove (4) from flowing back into the indoor distribution part (3) through the through hole (321);

the house-shaped distribution piece (3) comprises a V-shaped cover plate (31) and wall plates (32) arranged at the bottom of the V-shaped cover plate (31), and cover extensions (33) tilting obliquely upwards are arranged at the edges of two sides of the V-shaped cover plate (31);

the bottom of upper cover plate (21) is equipped with open-top's U type strip (6), U type strip (6) are located between two adjacent groups room type distribution piece (3) and both ends run through respectively to connecting plate (22) outside for on the circulation liquid water conservancy diversion on upper cover plate (21) lower cover plate (23).

2. The demisting type drip pan according to claim 1, characterized in that a plurality of fixing plates (7) are arranged at intervals between adjacent U-shaped strips (6).

3. The demisting type drip pan according to claim 1, characterized in that a grid (34) for supporting the demister (5) is arranged on the inner side wall of the wall plate (32), and a supporting seat (35) is arranged between the grid (34) and the wall plate (32).

4. The demisting type drip pan according to claim 1, characterized in that a plurality of reinforcing plates (8) are provided between adjacent side walls of the concave groove (4), and a plurality of reinforcing plates (9) are provided between the lower cover plate (23) and the connecting plate (22).