CN215388630U - Desulfurization efficient spray absorption tower - Google Patents

Abstract

The utility model relates to a desulfurization high-efficiency spray absorption tower which comprises a tower body, a water tank, a circulating pump, a defogging layer and a spray device, wherein the water tank is arranged at the lower part of the tower body, the water tank is communicated with the tower body, the side part of the tower body is provided with an air inlet, the top part of the tower body is provided with an air outlet, the spray device and the defogging layer are arranged in the tower body in a stacking manner, the spray device is arranged below the defogging layer, the cross section of the defogging layer is inverted V-shaped, the spray device comprises a pipeline frame and a plurality of spray pipes, the edge part of the pipeline frame is detachably connected with the inner wall of the tower body, the plurality of spray pipes are vertically arranged at the lower end of the pipeline frame, the spray pipes are provided with a plurality of spray holes, the water inlet of the circulating pump is communicated with the water tank through a pipeline, and the water outlet of the circulating pump is communicated with the pipeline frame through a pipeline. The pipeline frame is additionally provided with the spray pipe, and the sprayed water flows in a horizontal shape and are mutually collided to generate a water mist layer with a large range, so that the desulfurization reaction is sufficient and efficient, and the maintenance and the overhaul are convenient.

Description

Desulfurization efficient spray absorption tower

Technical Field

The utility model relates to the technical field of industrial desulfurization towers, in particular to a desulfurization efficient spray absorption tower.

Background

Desulfurizing towerIs tower equipment for desulfurizing industrial waste gas. The desulfurizing tower is initially made of graniteThe application of masonry is the most extensive, and the masonry utilizes the water film desulfurization and dust removal principle, also called granite water film desulfurization dust remover, or granite water film desulfurization dust remover. The working principle is as follows: the waste gas is introduced into the tower body through the air pipe, passes through the packing layer, is subjected to gas-liquid two-phase full contact absorption neutralization reaction with the sodium hydroxide absorption liquid, and is discharged into the atmosphere through the fan after being purified and dehydrated and demisted by the demisting plate. The absorption liquid is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally flows back to the tower bottom for recycling. The purified waste gas meets the emission requirement of the emission standard, which is lower than the national emission standard.

When a single-layer spray head is arranged in the existing absorption tower, the sprayed water mist amount is small, the reaction range with waste gas is small, the reaction is insufficient, and the waste gas desulfurization efficiency is low; when the absorption tower inlayer is folding to be set up the multilayer spraying mounting bracket, the water smoke scope that sprays increases for the absorption liquid that sprays out fully reacts with waste gas, but need set up a plurality of access holes at the different heights of tower body, just can overhaul the atomising head, maintains comparatively difficultly, and can lead to tower body self intensity to reduce.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a desulfurization efficient spray absorption tower aiming at the situation that the reaction is insufficient and the desulfurization efficiency is low when a single-layer spray head is used in the existing absorption tower.

A desulfurization high-efficiency spray absorption tower, which comprises a tower body, a water tank, a circulating pump, a demisting layer and a spray device, the water tank is arranged at the lower part of the tower body, the water tank is communicated with the tower body, the side part of the tower body is provided with an air inlet, the top of the tower body is provided with an air outlet, the spraying device and the demisting layer are arranged in the tower body in a laminating way, the spraying device is arranged below the demisting layer, the cross section of the demisting layer is in an inverted V shape, the spraying device comprises a pipeline frame and a plurality of water spraying pipes, the edge part of the pipeline frame is detachably connected with the inner wall of the tower body, the plurality of water spraying pipes are vertically arranged at the lower end of the pipeline frame, the water spraying pipe is provided with a plurality of water spraying holes, the water inlet of the circulating pump is communicated with the water tank through a pipeline, and the water outlet of the circulating pump is communicated with the pipeline frame through the pipeline.

Preferably, one end of the water spraying pipe, which is far away from the pipeline frame, is provided with a spraying head.

Preferably, the side part of the tower body is also provided with an access hole.

Preferably, the tower body is formed by welding stainless steel plates in a splicing manner, and a base formed by welding I-shaped steel is further arranged at the bottom of the tower body.

The utility model has the advantages that: 1. the pipeline frame is additionally provided with the longer water spraying pipe, the water spraying pipe is provided with a plurality of water spraying holes, when fine water columns are sprayed out of the water spraying holes, the fine water columns collide with each other to generate a water mist layer with a larger range, waste gas rises to fully react with the water mist layer, the reaction efficiency of the single-layer spraying device is effectively improved, and the maintenance and the overhaul are more convenient; 2. demisting layer sets up to the type of falling V structure, and when the water smoke layer of mixing waste gas rose, because the space reduced, its velocity of flow increased, and the tiny particle collision that carries in the water smoke mixes for the large granule, and then drips under self action of gravity, and the defogging effect is better.

Drawings

FIG. 1 is a schematic perspective view of a desulfurization spray absorption tower according to an embodiment;

fig. 2 is an explosion schematic diagram of a desulfurization high-efficiency spray absorption tower.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, a desulfurization high-efficiency spray absorption tower comprises a tower body 1, a water tank 2, a circulating pump 3, a demisting layer 4 and a spray device 5, wherein the water tank 2 is installed at the lower part of the tower body 1, the water tank 2 is communicated with the tower body 1, the side part of the tower body 1 is provided with an air inlet 11, the top part of the tower body 1 is provided with an air outlet 12, the spray device 5 and the demisting layer 4 are installed in the tower body 1 in a stacking manner, the spray device 5 is arranged below the demisting layer 4, the cross section of the demisting layer 4 is in an inverted V shape, the spray device 5 comprises a pipeline frame 51 and a plurality of spray pipes 52, the edge part of the pipeline frame 51 is detachably connected with the inner wall of the tower body 1, the plurality of spray pipes 52 are vertically installed at the lower end of the pipeline frame 51, the spray pipes 52 are provided with a plurality of spray holes 521, the water inlet of the circulating pump 3 is communicated with the water tank 2 through a pipeline 31, the water outlet of the circulating pump 3 is communicated with the pipeline frame 51 through the pipeline 31. Specifically, in this embodiment, the tower body 1 is made of stainless steel, and has high strength and long outdoor service life. The water tank 2 is arranged below the tower body 1 and communicated with the tower body 1, so that absorption liquid can circulate between the tower body 1 and the water tank 2 conveniently. It should be noted that, a filter screen plate (not shown in the figure) can be further arranged between the tower body 1 and the water tank 2, and the filter screen plate can be used for filtering large-diameter solid particles separated out from the drainage liquid, so as to prevent the solid particles from precipitating in the water tank 2 and blocking the pipeline 31 of the circulating pump 3. Further, the waste gas is input from an inlet 11 at the side of the tower body 1, and an outlet 12 is arranged at the top of the tower body 1, so that the waste gas rises under the action of air pressure. The tower body 1 is internally provided with a demisting layer 4 and a spraying device 5 from top to bottom in sequence, the spraying device 5 comprises a pipeline frame 51 and a spray pipe 52, and the output end of the pipeline frame 51 is communicated with the circulating pump 3 through a pipeline 31, so that the aim of recycling the absorption liquid is fulfilled. The pipeline frame 51 is in a grid shape, the spray pipe 52 has a certain length and is hollow, one end of the spray pipe 52 is detachably connected with the pipeline frame 51, a plurality of spray holes 521 are arranged on the pipe body of the spray pipe 52, the absorption liquid is sprayed out from the spray holes 521 under the pressure of the circulating pump 3, and fine water columns formed by the absorption liquid collide with the side wall of the tower body 1 or mutually to form water bloom in a larger range to fully react with the sulfuration waste gas in the waste gas. The spray pipe 52 is long strip, the range of water columns sprayed from the spray holes 521 on the spray pipe is wide, the spray pipes are in a horizontal jet state, the range of water mist layers formed after mutual collision is wide, a certain height difference is achieved, a plurality of mounting frames are not needed to be arranged in the tower body 1, and the multi-layer spray head is convenient to overhaul. Further, set up defogging layer 4 into the type of falling V to install in spray set 5's top, the waste gas that rises carries water smoke, with defogging layer 4 contact, because defogging layer 4's transversal type of falling V of personally submitting, waste gas rises more, and its space is just smaller, and the velocity of flow increases, takes place abundant collision each other, and little liquid collision forms big water droplet, drips under self action of gravity, and the defogging purifying effect of waste gas is better. It should be noted that, the absorption liquid has an increased reaction time in the tower body 1, and the content of the liquid medicine carried by the absorption liquid is reduced, which may result in insufficient desulfurization of the exhaust gas. Therefore, a medicine box (not shown in the figure) is additionally arranged on the pipeline 31 of the water outlet of the circulating pump 3 and used for supplementing liquid medicine, so that the internal reaction of the tower body 1 is ensured to be sufficient, and the waste gas is ensured to meet the national waste gas emission standard when being discharged.

As shown in fig. 1 to 2, a spray head 522 is disposed at an end of the spray pipe 52 away from the pipe rack 51. Specifically, in the present embodiment, the spray head 522 is provided at the end of the spray pipe 52, and thus, a plug is not required, and the spray head 522 can further expand the spraying range of the absorption liquid, thereby improving the reaction efficiency between the absorption liquid and the exhaust gas.

As shown in figures 1-2, the side of the tower body 1 is further provided with an access opening 13. Specifically, in this embodiment, demountable installation has glass steel on access hole 13, and glass steel is corrosion-resistant ability reinforce, and the maintainer of being convenient for under the prerequisite of not opening access hole 13, observes the inside situation of tower body 1. The cooperation spray set 5 only needs to set up an access hole 13 at tower body 1 lateral part and can overhaul, ensures the intensity of tower body 1 self, reduces the tower body 1 and processes the degree of difficulty.

As shown in fig. 1-2, the tower body 1 is formed by welding stainless steel plates in a splicing manner, and a base 14 formed by welding I-shaped steel is further arranged at the bottom of the tower body 1. Specifically, set up base 14 in tower body 1 bottom, the transportation installation of being convenient for prevents the impaired weeping of bottom in handling of tower body 1. The base 14 is formed by connecting I-shaped steel, the cost is low, the base 14 can be connected with the bottom of the tower body 1 by using bolts, and the base 14 can be directly welded on the bottom of the tower body 1.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (4)

1. The utility model provides a desulfurization high efficiency sprays absorption tower which characterized in that: including the tower body, the water tank, the circulating pump, defogging layer and spray set, the water tank is installed the lower part of tower body, the water tank with the tower body is the intercommunication, the tower body lateral part is provided with the air inlet, the tower body top is provided with the gas outlet, spray set with defogging layer is range upon range of to be installed in the tower body, spray set sets up the below on defogging layer, the transversal type of falling V of personally submitting on defogging layer, spray set includes pipeline frame and a plurality of spray pipe, pipeline frame limit portion with the connection can be dismantled to the inner wall of tower body, and is a plurality of the spray pipe is installed perpendicularly the lower extreme of pipeline frame, be provided with a plurality of hole for water spraying on the spray pipe, the water inlet of circulating pump pass through the pipeline with the water tank intercommunication, the delivery port of circulating pump passes through the pipeline with pipeline frame is the intercommunication.

2. The desulfurization high-efficiency spray absorption tower as recited in claim 1, wherein: and one end of the spray pipe, which is far away from the pipeline frame, is provided with a spray head.

3. The desulfurization high-efficiency spray absorption tower as recited in claim 2, wherein: the side part of the tower body is also provided with an access hole.

4. The desulfurization high-efficiency spray absorption tower as recited in claim 3, wherein: the tower body is formed by welding stainless steel plates in a splicing mode, and a base formed by welding I-shaped steel is further arranged at the bottom of the tower body.

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