CN211677128U

CN211677128U - Desulfurization and denitrification integrated desulfurization tower

Info

Publication number: CN211677128U
Application number: CN201922198610.8U
Authority: CN
Inventors: 黄传亮
Original assignee: Ningxia Pengyuxin Environmental Protection Technology Co ltd
Current assignee: Wuzhong pengyuxin Environmental Protection Technology Co.,Ltd.
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-10-16
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a desulfurization and denitrification integrated desulfurization tower, which comprises a desulfurization tower, a smoke exhaust pipe and a fixed barrel, wherein the top end of the desulfurization tower is fixedly connected with the smoke exhaust pipe through a flange and a bolt, and the smoke exhaust pipe is communicated with the desulfurization tower; the utility model discloses a be equipped with the division board, fixed bucket and through-hole, and can prolong the time that waste gas stops in the desulfurizing tower through increasing fixed bucket, prolong waste gas and the time of dissolving the liquid contact, and then can make waste gas be dissolved the liquid and fully dissolve, thereby can get rid of the sulphide and the nitride in the waste gas totally, and be equipped with the controller through being equipped with, spacing block and pressure sensor, under the condition that does not reduce the air input, can make the spacing block outwards open, the open area of through-hole reaches the biggest, discharge the flue gas, and then reduce the pressure in the desulfurizing tower, avoid reducing pressure through reducing the waste gas air input, the efficiency of desulfurizing tower SOx/NOx control has been improved.

Description

Desulfurization and denitrification integrated desulfurization tower

Technical Field

The utility model relates to a desulfurizing tower technical field specifically is a SOx/NOx control integration desulfurizing tower.

Background

In recent years, the problem of air pollution is increasingly aggravated, China is a developing big country, and still faces a severe situation that the air pollution is increasingly aggravated in a long time in the future, along with the increasing of energy requirements, the pollution problem caused by smoke emission is increasingly prominent, the problem of controlling the atmospheric environmental pollution is continuously aroused to be widely and highly valued all over the world, the development of high-efficiency, energy-saving and high-cost performance smoke purification equipment and technology is fundamentally used for solving the environmental protection problem, industrial smoke is a main factor for forming acid rain due to air pollution, wherein the emission of SO2 and NO2 is a key factor, SO the treatment of SO2 and NO2 is the key point of smoke treatment, at present, numerous domestic purification equipment has the problems of high investment, high operation cost, consumption of high-quality limestone resources, treatment and emission of waste water, equipment damage and the like, and brings heavy burden to enterprises, the existing desulfurization and denitrification integrated desulfurization tower has some defects, such as:

in the prior art, when gas-liquid separation is carried out, when gas passes through a distribution plate, the flowing path is short, so that the contact time of the gas and cleaning liquid is short, sulfides and nitrides in waste gas cannot be sufficiently removed, the pressure in a desulfurization tower is generally regulated through the air inlet pressure and the exhaust pressure, and the flow velocity of the gas flowing through the distribution plate not only influences the pressure of the desulfurization tower, but also influences the desulfurization and denitrification rates.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SOx/NOx control integration desulfurizing tower to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a desulfurization and denitrification integrated desulfurization tower comprises a desulfurization tower, a smoke exhaust pipe and a fixed barrel, wherein the top end of the desulfurization tower is fixedly connected with the smoke exhaust pipe through a flange and a bolt, the smoke exhaust pipe is communicated with the desulfurization tower, a liquid inlet pipe is fixedly connected to one side of the desulfurization tower, which is close to the top end, through the flange and the bolt, the liquid inlet pipe is welded with a conveying pipe, one end of the conveying pipe is welded with the desulfurization tower, one side of the conveying pipe is fixedly connected with a spray head through the flange and the bolt, a liquid outlet pipe is fixedly connected to one side of the desulfurization tower, which is close to the bottom end, the other side of the desulfurization tower, which is close to the bottom end, is fixedly connected with an air inlet through the flange and the bolt, a manhole is arranged on the desulfurization tower, the manhole is fixedly connected with an, the desulfurizing tower inner wall welds all around has the distributing plate, distributing plate one end is through bolt fixedly connected with overflow plate, the fixed bucket of bolt fixedly connected with is passed through at distributing plate upper surface middle part, the through-hole has all been seted up to fixed bucket periphery and upper surface all around.

Preferably, the controller is fixedly connected with one side of the desulfurizing tower through a bolt, the electromagnetic valve is fixedly connected with one side of the smoke exhaust pipe through a bolt, the pressure sensor is fixedly connected with one side of the inner wall of the desulfurizing tower close to the top end, the separation sheets are adhered to the inner wall of the through hole, the separation sheets are provided with five separation sheets, the areas of the separation sheets are equal to the areas of the through hole, the separation sheets are made of silica gel sheets, the output end of the controller is electrically connected with the input end of the electromagnetic valve, the output end of the pressure sensor is electrically connected with the input end of the controller, and the controller, the pressure sensor and the electromagnetic valve are electrically connected with an external power supply.

Preferably, the distribution plate is provided with three, the conveyer pipe is provided with five, and five the conveyer pipe is the style of calligraphy of day structure, and five the conveyer pipe all communicates with each other, the conveyer pipe is all installed through welded fastening in the top of distribution plate.

Preferably, thirteen spray heads are arranged, six fixed barrels are arranged, and the partition sheets are in an equilateral triangle structure.

Preferably, the overflow plate is of a cylindrical structure, and the sum of the height dimensions of the overflow plate and the distribution plate is smaller than the height dimension of the fixed barrel.

Preferably, the through holes are provided with five through holes, and the diameter size of the manhole is 80-100 CM.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is provided with the partition board, the fixed barrel and the through hole, and the fixed barrel is added to prolong the stay time of the waste gas in the desulfurizing tower and the contact time of the waste gas and the solution, thereby the waste gas can be fully dissolved by the dissolving solution, the sulfide and the nitride in the waste gas can be removed cleanly, and by arranging the controller, the separating sheet and the pressure sensor, when the pressure in the desulfurizing tower is increased, the output model is transmitted to the controller through the pressure sensor, so that the opening of the electromagnetic valve can be increased by the controller, the internal pressure of the desulfurizing tower is increased, under the condition of not reducing the air input, the separating sheet can be enabled to be outwards opened, the opening area of the through hole reaches the maximum, the smoke is discharged, and then reduce the pressure in the desulfurizing tower, avoid reducing pressure through reducing the waste gas air input, improved the efficiency of desulfurizing tower SOx/NOx control.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a three-dimensional connection structure of the distribution plate of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the distribution plate according to the present invention.

In the figure: 1-a desulfurizing tower; 2-smoke exhaust pipe; 3-an electromagnetic valve; 4-a manhole; 5-a liquid inlet pipe; 6-an air inlet; 7-a liquid discharge pipe; 8-a controller; 9-a pressure sensor; 10-an overflow plate; 11-a demister; 12-a delivery pipe; 13-a spray head; 14-a distribution plate; 15-fixing the barrel; 16-a via hole; 17-a separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a desulfurization and denitrification integrated desulfurization tower comprises a desulfurization tower 1, an exhaust pipe 2 and a fixed barrel 15, wherein the top end of the desulfurization tower 1 is fixedly connected with the exhaust pipe 2 through a flange and a bolt, the exhaust pipe 2 is communicated with the desulfurization tower 1, one side of the desulfurization tower 1, which is close to the top end, is fixedly connected with a liquid inlet pipe 5 through a flange and a bolt, the liquid inlet pipe 5 is welded with a conveying pipe 12, one end of the conveying pipe 12 is welded with the desulfurization tower 1, one side of the conveying pipe 12 is fixedly connected with a spray head 13 through a flange and a bolt, the spray head 13 is provided with thirteen spray heads, the fixed barrel 15 is provided with six spray heads, a separation sheet 17 is in an equilateral triangle structure, one side of the desulfurization tower 1, which is close to the bottom end, is fixedly connected with a liquid outlet pipe 7 through a flange and a bolt, the other side of the desulfurization tower 1, which is, the through hole 16 is provided with five, the diameter of the manhole 4 is 80-100CM, the worker can maintain the inside of the desulfurizing tower 1 by the manhole 4, the manhole passes through the flange and the end cover of the bolt fixedly connected with, the inner wall of the desulfurizing tower 1 is close to the top end part all around and is connected with the demister 11 through the bolt fixedly connected with, the inner wall of the desulfurizing tower 1 is welded with the distributing plate 14 all around, the distributing plate 14 is provided with three, the conveying pipe 12 is provided with five, and five conveying pipes 12 are in a structure like a Chinese character ri, and five conveying pipes 12 are communicated, the conveying pipes 12 are arranged above the distributing plate 14 through the welding and fixing, the harmful gas in the flue gas can be fully dissolved, one end of the distributing plate 14 is provided with the overflow plate 10 through the bolt fixedly connected with, the middle part of the upper surface of the distributing, the overflow plate 10 is of a cylindrical structure, the sum of the height dimensions of the overflow plate 10 and the distribution plate 14 is smaller than the height dimension of the fixed barrel 15, so that gas can smoothly flow out, through holes 16 are formed in the periphery and the upper surface of the fixed barrel 15, one side of the desulfurizing tower 1 is fixedly connected with a controller 8 through bolts, the controller 8 is specifically a controller with the model of PLCS7-200, one side of the smoke exhaust pipe 2 is fixedly connected with an electromagnetic valve 3 through bolts, the electromagnetic valve 3 is specifically an electromagnetic valve with the model of PHS530S-03, one side of the inner wall of the desulfurizing tower 1, which is close to the top end, is fixedly connected with a pressure sensor 9 through bolts, the pressure sensor 9 is specifically a pressure sensor with the model of 2SMPP-02, separation sheets 17 are adhered to the inner wall of the through hole 16, the total number of the separation sheets 17 is five, and the areas of the five separation sheets 17 are equal to the area of the, when the pressure is low, the flue gas can flush the separation sheet 17 at a certain angle, the flue gas is discharged from the gap, when the pressure is high, the separation sheet 17 can be flushed completely, so that the opening of the flue gas discharged from the through hole 16 is maximized, the flue gas can be quickly discharged from the through hole 16, the separation sheet 17 is made of a silica gel sheet material, the output end of the controller 8 is electrically connected with the input end of the electromagnetic valve 3, the output end of the pressure sensor 9 is electrically connected with the input end of the controller 8, the pressure sensor 9 and the electromagnetic valve 3 are electrically connected with an external power supply, when the pressure in the desulfurizing tower 1 is high, the pressure sensor 9 can transmit the output model number to the controller 8, so that the controller 8 can increase the opening of the electromagnetic valve 3, increase the internal pressure in the desulfurizing tower 1, and can enable the separation sheet 17 to be opened outwards, the opening area of the through-holes 16 reaches the maximum, and the flue gas is discharged, thereby reducing the pressure in the desulfurization tower 1.

The working principle is as follows: when in use, the waste gas to be treated is conveyed to the bottom of the desulfurizing tower 1 through the gas inlet 6, and simultaneously the solution is sprayed inside the desulfurizing tower 1 through the liquid inlet pipe 5 through the conveying pipe 12 and the spray head 13, the waste gas rising in the tower reacts with the sprayed solution to remove sulfides and nitrides in the waste gas, the waste gas is discharged from the through hole 16 through the distribution plate 14 and the fixing barrel 15 in the rising process in the tower, continuously rises and is discharged from the smoke exhaust pipe 2 through the demister 11, the waste liquid after the reaction is discharged into the solution through the liquid discharge pipe 7 to be continuously recycled, the retention time of the waste gas in the desulfurizing tower 1 can be prolonged by increasing the fixing barrel 15, the contact time of the waste gas and the solution is prolonged, the waste gas and the solution can be fully reacted, the sulfides and the nitrides in the waste gas can be completely removed, when the pressure in the desulfurizing tower 1 is increased, transmit the output model for controller 8 through pressure sensor 9, thereby controller 8 can make 3 openings of solenoid valve increase, and 1 internal pressure of desulfurizing tower increases, under the condition that does not reduce the air input, can make the parting slip 17 outwards open, the open area of through-hole 16 reaches the biggest, discharge the flue gas, and then reduce the pressure in the desulfurizing tower 1, avoid reducing pressure through reducing the waste gas air input, the efficiency of the desulfurization denitration of desulfurizing tower 1 has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a SOx/NOx control integration desulfurizing tower, includes desulfurizing tower (1), discharges fume tub (2) and fixed bucket (15), its characterized in that: the device is characterized in that the top end of the desulfurizing tower (1) is fixedly connected with a smoke exhaust pipe (2) through a flange and a bolt, the smoke exhaust pipe (2) is communicated with the desulfurizing tower (1), one side of the desulfurizing tower (1) is close to the top end and is fixedly connected with a liquid inlet pipe (5) through a flange and a bolt, the liquid inlet pipe (5) is welded with a conveying pipe (12), one end of the conveying pipe (12) is welded with the desulfurizing tower (1), one side of the conveying pipe (12) is fixedly connected with a spray head (13) through a flange and a bolt, one side of the desulfurizing tower (1) is close to the bottom end and is fixedly connected with a liquid discharge pipe (7) through a flange and a bolt, the other side of the desulfurizing tower (1) is close to the bottom end and is fixedly connected with an air inlet (6) through a flange and a bolt, the desulfurizing, desulfurizing tower (1) inner wall is close to top department all around and passes through bolt fixedly connected with demister (11), the welding has distribution plate (14) around desulfurizing tower (1) inner wall, bolt fixedly connected with overflow plate (10) are passed through to distribution plate (14) one end, fixed bucket (15) are passed through at distribution plate (14) upper surface middle part through bolt fixedly connected with, through-hole (16) have all been seted up with the upper surface around fixed bucket (15) periphery.

2. The desulfurization and denitrification integrated desulfurization tower of claim 1, characterized in that: one side of the desulfurizing tower (1) is fixedly connected with a controller (8) through a bolt, one side of the smoke exhaust pipe (2) is fixedly connected with an electromagnetic valve (3) through a bolt, a pressure sensor (9) is fixedly connected with one side of the inner wall of the desulfurizing tower (1) close to the top end through a bolt, the inner wall of the through hole (16) is adhered with five separating sheets (17), the number of the separating sheets (17) is five, and the areas of the five separating sheets (17) are equal to the area of the through hole (16), the separation sheet (17) is made of a silica gel sheet material, the output end of the controller (8) is electrically connected with the input end of the electromagnetic valve (3), the output end of the pressure sensor (9) is electrically connected with the input end of the controller (8), the controller (8), the pressure sensor (9) and the electromagnetic valve (3) are all electrically connected with an external power supply.

3. The desulfurization and denitrification integrated desulfurization tower of claim 1, characterized in that: distributing plate (14) are equipped with three altogether, conveyer pipe (12) are equipped with five altogether, and five conveyer pipe (12) are day style of calligraphy structure, and five conveyer pipe (12) all communicate with each other, the top of distributing plate (14) all installs conveyer pipe (12) through welded fastening.

4. The desulfurization and denitrification integrated desulfurization tower of claim 2, characterized in that: thirteen spray heads (13) are arranged, six fixed barrels (15) are arranged, and the partition sheets (17) are in an equilateral triangle structure.

5. The desulfurization and denitrification integrated desulfurization tower of claim 1, characterized in that: the overflow plate (10) is of a cylindrical structure, and the sum of the height sizes of the overflow plate (10) and the distribution plate (14) is smaller than the height size of the fixed barrel (15).

6. The desulfurization and denitrification integrated desulfurization tower of claim 1, characterized in that: the through holes (16) are provided with five through holes, and the diameter of the manhole (4) is 80-100 CM.