CN214437911U

CN214437911U - Desulfurization and denitration device for waste gas treatment

Info

Publication number: CN214437911U
Application number: CN202120067492.1U
Authority: CN
Inventors: 于坤才
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-22
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a device of desulfurization and denitration is dealt with to waste gas belongs to exhaust-gas treatment equipment technical field, and it includes: the tower comprises a tower body, wherein an air inlet pipeline is fixedly connected to one side of the tower body, a plurality of baffle groups are arranged in the tower body and are positioned above the air inlet pipeline, a spray pipeline is arranged above the baffle groups and is connected with an alkaline liquid pool, and an air outlet is formed in the top of the tower body; the utility model discloses well baffle group can absorb the partial heat of waste gas, and the shower pipeline of baffle group top can spray the alkali lye simultaneously, carries out desulfurization and denitration treatment to waste gas, and baffle group also can prolong waste gas this internal dwell time in tower, improves and sprays the processing time of liquid to waste gas, process the utility model discloses waste gas after the processing is discharged from the gas vent, the utility model discloses effectually handle waste gas, has reduced the impurity emission of big granule in the waste gas, has reduced the heat of discharging waste gas, has improved the exhaust-gas treatment effect.

Description

Desulfurization and denitration device for waste gas treatment

Technical Field

The utility model belongs to the technical field of exhaust-gas treatment equipment, concretely relates to device of exhaust-gas treatment desulfurization and denitration.

Background

With the increasing weight of air pollution, the desulfurization and denitration technology is receiving increasing attention from various countries, the desulfurization and denitration technology of flue gas is an important environmental protection technology applied to the chemical industry of generating polynitrogen oxide, oxysulfide and the like, and most of the existing desulfurization and denitration processes of flue gas are carried out by using a desulfurization and denitration tower.

The desulfurization and denitrification tower is necessary equipment for removing the waste gas in high-efficiency kilns and factory production, and has the functions of performing harmless treatment on the waste gas, directly discharging the treated waste gas into the atmosphere and avoiding any pollution to the atmosphere. When large-scale factory furnaces such as kiln factories, gold plants, glass plants and the like burn fuel, a large amount of particulate matters and a large amount of harmful substances are mixed in the discharged flue gas, and if the flue gas is directly discharged into the air, the flue gas can bring great harm to the surrounding environment, so that a large amount of particulate matters need to be effectively treated; meanwhile, most of smoke and waste gas is high-temperature gas, and the smoke and waste gas can be discharged into the atmosphere only through reasonable cooling, and the problems cannot be perfectly solved in the existing desulfurization and denitrification tower.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a device for desulfurization and denitration of waste gas treatment.

The utility model discloses the technical scheme who adopts does:

an apparatus for desulfurization and denitrification of exhaust gas treatment, comprising: the tower comprises a tower body, wherein an air inlet pipeline is fixedly connected to one side of the tower body, a plurality of baffle groups are arranged in the tower body and are located above the air inlet pipeline, a spray pipeline is arranged above the baffle groups and is connected with an alkaline liquid pool, and an air outlet is formed in the top of the tower body.

Adopt above-mentioned scheme, the waste gas that carries the particulate matter is from the intake pipe way and is gone into this internally of tower, and waste gas from the bottom up floats, at showy in-process, and partial particulate matter striking sinks on baffle group, and its waste gas and baffle group are in the contact process, and baffle group can absorb the partial heat of waste gas, and the shower pipeline of baffle group top can spray the alkali lye simultaneously, carries out desulfurization and denitration treatment to waste gas, and baffle group also can prolong waste gas dwell time in the tower is originally internal, improves the processing time of spraying liquid to waste gas, process the utility model discloses waste gas after the processing is discharged from the gas vent, the utility model discloses effectually handle waste gas, has reduced the impurity emission of big granule in the waste gas, has reduced the heat of discharging waste gas, has improved the effect of waste gas treatment.

Preferably, each layer of baffle group comprises a third baffle, a first baffle and a second baffle, wherein the first baffle and the second baffle are fixedly arranged on two sides of the tower body respectively, each third baffle is positioned between the corresponding first baffle and the corresponding second baffle, and in each layer of baffle group, the height of the third baffle in the horizontal direction is higher than the height of the first baffle in the horizontal direction or higher than the height of the second baffle in the horizontal direction. Adopt this preferred scheme, set up multilayer baffle group, interval arrangement between every layer of baffle group, and be located first baffle and the second baffle of middle third baffle height in both sides, it can be come by even dispersion to set up waste gas like this, through the time of multilayer baffle group extension at the tower body, the effect that the granule subsides is improved, improve the absorptive heat effect of baffle group, spray liquid can follow the below of tower body top flow direction baffle group, make spray liquid full of the well low end space of whole tower, the exhaust-gas treatment effect is improved.

Preferably, one side of the third baffle is located right above the first baffle, and the other side of the third baffle is located right above the second baffle. Adopt this preferred scheme, waste gas is followed baffle group bottom and is up waved, from up down, does not have "gap" between second baffle and first baffle or the third baffle for waste gas must pass through the top that just can leave baffle group of blockking of baffle group, thereby has improved exhaust-gas treatment's effect.

Preferably, the alkali liquor pool is arranged inside the tower body and is positioned below the air inlet pipeline, the alkali liquor pool is connected with the spray pipeline through a conveying pipeline, and the conveying pipeline is provided with an anti-corrosion pump. By adopting the preferred scheme, the recycling of the spraying liquid is established, and the waste of the spraying liquid is avoided.

Preferably, a filter plate is arranged above the alkali liquor pool, the filter plate is positioned below the air inlet pipeline, and the filter plate is detachably connected with the tower body. Adopt this preferred scheme, spray liquid and can carry a small amount of particle impurity spraying the in-process, set up the filter and avoid impurity to get into in the lye tank, improve the utilization efficiency of spraying liquid in lye tank.

Preferably, the air inlet pipeline is provided with an electromagnetic valve, and the electromagnetic valve and the anti-corrosion pump are respectively connected with a control system. Adopt this preferred scheme, use control system to establish the synchronous use of solenoid valve and anticorrosive pump, avoided the waste of spraying liquid, also prevent that waste gas from not having advanced desulfurization and denitration treatment and discharging to the atmosphere.

Preferably, the inside of tower body sets firmly the baffle, the bottom rigid coupling of baffle has a plurality of filter cores, the filter core is located the top of baffle group. By adopting the preferable scheme, the desulfurized and denitrated waste gas is filtered by the filter element again, and a small part of particle impurities in the waste gas are further removed.

Preferably, a demister is arranged in the tower body and is positioned between the baffle group and the exhaust port. Adopt this preferred scheme, the defroster carries out the defogging to exhaust waste gas and handles, prevents that waste gas from causing the pollution to the atmosphere.

Preferably, an access door is arranged on the side surface of the tower body. By adopting the preferred scheme, the access door is arranged to facilitate the replacement and maintenance of the equipment and alkali liquor of the tower body.

Preferably, the bottom of the tower body is fixedly provided with supporting legs. Adopt this preferred scheme, use the supporting legs to support the tower body, improve stability.

The utility model has the advantages that:

1) the utility model discloses in carry the waste gas of particulate matter from the intake pipe way enter into the tower this internally, waste gas from the bottom up floats, at showy in-process, the striking of part particulate matter sinks on baffle group, its waste gas and baffle group are in the contact process, the baffle group can absorb the part heat of waste gas, the shower pipeline of baffle group top can spray the alkali lye of shining simultaneously, carries out desulfurization and denitration treatment to waste gas, baffle group also can prolong waste gas dwell time in the tower this internally, improves and sprays the processing time of liquid to waste gas, process the utility model discloses waste gas after the processing is discharged from the gas vent, the utility model discloses effectually handle waste gas, has reduced the impurity emission of big granule in the waste gas, has reduced the heat of discharging waste gas, has improved the effect of treating waste gas.

2) The utility model discloses in set up multilayer baffle group, interval arrangement between every layer of baffle group, and be located first baffle and the second baffle of middle third baffle higher than both sides, it can be come by even dispersion to set up waste gas like this, through the time of multilayer baffle group extension at the tower body, the effect that the improvement granule subsides, improve the absorptive heat effect of baffle group, spray liquid can follow the below of tower body top flow direction baffle group, make spray liquid be full of the well low-end space of whole tower, the exhaust-gas treatment effect is improved.

3) In the utility model, the waste gas floats upwards from the bottom of the baffle plate group, and no gap exists between the second baffle plate and the first baffle plate or the third baffle plate from bottom to top, so that the waste gas can leave the upper part of the baffle plate group only by being blocked by the baffle plate group, thereby improving the effect of waste gas treatment; the anticorrosion pump is arranged to establish the recycling of the spraying liquid, so that the waste of the spraying liquid is avoided.

4) The utility model can carry a small amount of particle impurities in the spraying process of the spraying liquid, and the filter plate is arranged to prevent the impurities from entering the alkaline liquid pool, thereby improving the utilization efficiency of the spraying liquid in the alkaline liquid pool; the synchronous use of the electromagnetic valve and the anti-corrosion pump is established by using the control system, so that the waste of spraying liquid is avoided, and the waste gas is prevented from being discharged to the atmosphere without being subjected to desulfurization and denitration treatment.

5) The desulfurized and denitrated waste gas of the utility model is filtered by the filter element again, so that a small part of particle impurities in the waste gas are further removed; the defroster carries out defogging to exhaust waste gas and handles, prevents that waste gas from causing the pollution to the atmosphere. The arrangement of the access door is convenient for replacing and maintaining equipment and alkali liquor of the tower body; the supporting legs are used for supporting the tower body, and stability is improved.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the present invention.

In the figure: 1-a column body; 2-an air inlet duct; 3-a spray pipeline; 4-an alkaline solution pool; 5-an exhaust port; 6-a first baffle; 7-a second baffle; 8-a third baffle; 9-an antiseptic pump; 10-a filter plate; 11-a solenoid valve; 12-a control system; 13-a filter element; 14-supporting the feet.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.

The first embodiment is as follows:

an apparatus for desulfurization and denitrification of exhaust gas treatment, comprising: the tower comprises a tower body 1, one side rigid coupling of tower body 1 has inlet duct 2, the inside of tower body 1 is provided with several layers of baffle group, baffle group is located inlet duct 2's top, baffle group's top is provided with spray piping 3, spray piping 3 is connected with lye pool 4, the top of tower body 1 is provided with gas vent 5.

Each layer of baffle group comprises a third baffle 8, a first baffle 6 and a second baffle 7 which are fixedly arranged on two sides of the tower body 1 respectively, each third baffle is positioned between the corresponding first baffle 6 and the corresponding second baffle 7, and in each layer of baffle group, the height of the third baffle 8 in the horizontal direction is higher than the height of the first baffle 6 in the horizontal direction or the height of the second baffle 7 in the horizontal direction.

One side of the third baffle plate 8 is positioned right above the first baffle plate 6, and the other side of the third baffle plate 8 is positioned right above the second baffle plate 7.

The alkali liquor pool 4 is arranged inside the tower body 1, the alkali liquor pool 4 is positioned below the gas inlet pipeline 2, the alkali liquor pool 4 is connected with the spray pipeline 3 through a conveying pipeline, and an anti-corrosion pump 9 is arranged on the conveying pipeline.

The inside of tower body 1 sets firmly the baffle, the bottom rigid coupling of baffle has several filter core 13, filter core 13 is located the top of baffle group.

The tower body 1 is internally provided with a demister, and the demister is positioned between the baffle group and the exhaust port 5.

The upper portion of lye pool 4 is provided with filter 10, filter 10 is located the below of admission line 2, filter 10 with can dismantle the connection between the tower body 1.

In the first embodiment, as shown in fig. 1, the end of the gas inlet pipe 2 is disposed at a position near the bottom of the tower body 1, the lye tank 4 is disposed at the bottom of the tower body 1, and the filter plate 10, the three baffle groups, the filter element 13, the demister and the gas outlet 5 are disposed in sequence from top to bottom, wherein the filter plate 10 is disposed above the liquid level of the lye tank 4, the gas inlet pipe 2 is disposed below the gas inlet pipe to prevent the particulate impurities carried by the spraying liquid from entering the lye tank 4, the three baffle groups are disposed as shown in fig. 1, which is the most preferable scheme, i.e. the first baffle 6 and the second baffle 7 are fixed at two sides of the tower body, the third baffle 8 is fixed at the middle of the tower body, the material of the baffle groups can be 316 stainless steel, the waste gas enters from the baffle group at the bottom layer, after passing through the three baffle groups, the large particulate impurities impinge on each baffle, when the waste gas enters from the gas inlet pipe 2, the corrosion-resistant pump 9 pumps the lye tank to the spraying pipe 3, in the process that the waste gas flows upwards from each baffle, the spraying liquid is also sprayed downwards from the upper part, the baffle group arranged in the way not only can help to block large granular impurities and absorb the heat of the waste gas, but also can evenly divide the spraying space, so that the spraying effect is improved, the alkali liquor can be recycled for many times and needs to be replaced in time at regular intervals, the waste gas entering the denitration and desulfurization process leaves the baffle group, enters the filter element 13, filters the granular impurities again, removes dust, can enter the demisting chamber for demisting, and is discharged through the exhaust port 5; the filter element 13 is fixed inside the column body 1 by a partition.

The following examples are all preferably obtained on the basis of example one.

Example two

The air inlet pipeline 2 is provided with an electromagnetic valve 11, and the electromagnetic valve 11 and the anti-corrosion pump 9 are respectively connected with a control system 12. Control system 12 includes display screen and PLC controller, through opening of control solenoid valve 11 and anticorrosive pump 9 in the display screen, default alarm system, solenoid valve 11 and anticorrosive pump 9 need open simultaneously, and this device just can work.

Example three:

and an access door is arranged on the side surface of the tower body 1.

The bottom of the tower body 1 is fixedly provided with a supporting leg 14.

In the fourth embodiment, the access door is arranged to regularly maintain and maintain the interior of the tower body 1, large-particle impurities retained on the baffle group can fall on the filter plate 10 under the driving of the spraying liquid, the filter plate 10 needs to be replaced timely after a period of time, and the impurities in the baffle group can be removed together during maintenance and repair; the tower body is supported by the supporting legs 14, so that the stability is improved

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. An apparatus for desulfurization and denitration of exhaust gas treatment, comprising: the tower comprises a tower body (1), wherein an air inlet pipeline (2) is fixedly connected to one side of the tower body (1), a plurality of baffle groups are arranged inside the tower body (1), the baffle groups are located above the air inlet pipeline (2), a spray pipeline (3) is arranged above the baffle groups, the spray pipeline (3) is connected with an alkaline liquid pool (4), and an exhaust port (5) is formed in the top of the tower body (1).

2. The flue gas desulfurization and denitration apparatus according to claim 1, wherein: each layer of baffle group comprises a third baffle (8) and a first baffle (6) and a second baffle (7) which are fixedly arranged on two sides of the tower body (1) respectively, each third baffle is positioned between the corresponding first baffle (6) and the corresponding second baffle (7), and in each layer of baffle group, the height of the third baffle (8) in the horizontal direction is higher than the height of the first baffle (6) in the horizontal direction or the height of the second baffle (7) in the horizontal direction.

3. The flue gas desulfurization and denitration apparatus according to claim 2, wherein: one side of the third baffle (8) is positioned right above the first baffle (6), and the other side of the third baffle (8) is positioned right above the second baffle (7).

4. The flue gas desulfurization and denitration apparatus according to claim 1, wherein: the alkali liquor pool (4) is arranged inside the tower body (1), the alkali liquor pool (4) is located below the gas inlet pipeline (2), the alkali liquor pool (4) is connected with the spray pipeline (3) through a conveying pipeline, and an anti-corrosion pump (9) is arranged on the conveying pipeline.

5. The flue gas desulfurization and denitration apparatus according to claim 4, wherein: the upper side of the lye pool (4) is provided with a filter plate (10), the filter plate (10) is positioned below the air inlet pipeline (2), and the filter plate (10) is detachably connected with the tower body (1).

6. The flue gas desulfurization and denitration apparatus according to claim 4, wherein: the air inlet pipeline (2) is provided with an electromagnetic valve (11), and the electromagnetic valve (11) and the anti-corrosion pump (9) are respectively connected with a control system (12).

7. The flue gas desulfurization and denitration apparatus according to claim 1, wherein: the inside of tower body (1) sets firmly the baffle, the bottom rigid coupling of baffle has several filter core (13), filter core (13) are located the top of baffle group.

8. The flue gas desulfurization and denitration apparatus according to claim 1, wherein: the tower is characterized in that a demister is arranged inside the tower body (1) and is positioned between the baffle group and the exhaust port (5).

9. The flue gas desulfurization and denitration apparatus according to claim 4, wherein: an access door is arranged on the side surface of the tower body (1).

10. The flue gas desulfurization and denitration apparatus according to claim 1, wherein: the bottom of the tower body (1) is fixedly provided with supporting legs (14).