CN213050091U

CN213050091U - Desulfurizer replenishing structure of flue gas desulfurization equipment

Info

Publication number: CN213050091U
Application number: CN202022790712.1U
Authority: CN
Inventors: 赵剑; 景小东
Original assignee: Xinjiang Zhongxiang Environmental Protection Technology Co ltd
Current assignee: Xinjiang Zhongxiang Environmental Protection Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-04-27
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a desulfurizer replenishing structure of flue gas desulfurization equipment, including the desulfurization equipment main part, the downside of desulfurization equipment main part left end face is provided with the flue gas entry, the downside of desulfurization equipment main part right-hand member face is connected with first row's thick liquid treatment pipeline, the right-hand member of first row's thick liquid treatment pipeline is connected with first control valve, the right-hand member of first control valve is connected with second row's thick liquid treatment pipeline, the downside of desulfurization equipment main part inner chamber transversely installs the bubble desulfurization district, the bubble desulfurization district includes perforated plate and desulfurization thick liquid, the utility model provides a desulfurizer replenishing structure of flue gas desulfurization equipment has improved washing liquid atomization effect and nozzle runner; the improved conventional cyclone plate dehydrator has the advantages of increased cyclone diameter of the flue gas, high desulfurization efficiency, low probability of nozzle blockage and good flue gas dehydration effect after washing.

Description

Desulfurizer replenishing structure of flue gas desulfurization equipment

Technical Field

The utility model relates to a desulfurizer of sweetener supplyes structure technical field, and concrete field is a desulfurizer of flue gas desulfurization equipment supplyes structure.

Background

The industrial kiln can be divided into two types according to the thermal regulation: one type is an intermittent kiln which is also called a periodic kiln and is characterized in that the kiln is intermittently produced, and the temperature of the kiln is changed in each heating period, such as a chamber kiln, a trolley type kiln, a well type kiln and the like; the second type is a continuous kiln, which is characterized in that the kiln is used for continuous production, and temperature sections are divided in a kiln chamber. The temperature of each section is not changed in the heating process, workpieces gradually enter a high-temperature heating zone from a low-temperature preheating zone, such as a continuous heating kiln, a heat treatment kiln, an annular kiln, a stepping kiln, a vibrating-bottom kiln and the like, the flue gas discharged in the combustion process of an industrial kiln and a boiler is entrained with atmosphere pollution gases such as sulfur dioxide and the like, the devices for removing the sulfur dioxide have various varieties, along with the continuous improvement of environmental standards, the emission of the atmosphere pollutants of the industrial kiln and the boiler is carried out in stricter standards, environmental protection enterprises try to improve a spraying system and a dewatering system in a desulfurizing tower so as to further improve the desulfurizing and dewatering effects and achieve new emission standard requirements, and in the design and application of a long-term wet flue gas desulfurizing tower, the existing industrial kiln and boiler flue gas spraying washing type desulfurizing tower has poor atomizing effect and uneven spraying of washing liquid, resulting in poor desulfurization effect, easy blockage of the nozzle and unsatisfactory dehydration effect after washing and desulfurization of flue gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desulfurizer of flue gas desulfurization equipment supplyes the structure to current industrial kiln and boiler flue gas spray washing formula desulfurizing tower who proposes in solving above-mentioned background art causes the unsatisfactory problem of desulfurization effect after desulfurization effect poor and the nozzle blocks up easily, the flue gas washing desulfurization because the washing liquid atomization effect is not good, the spraying is inhomogeneous.

In order to achieve the above object, the utility model provides a following technical scheme: a desulfurizer replenishing structure of flue gas desulfurization equipment comprises a desulfurization equipment main body, wherein a flue gas inlet is arranged on the lower side of the left end face of the desulfurization equipment main body, a first discharge slurry treatment pipeline is connected to the lower side of the right end face of the desulfurization equipment main body, a first control valve is connected to the right end of the first discharge slurry treatment pipeline, a second discharge slurry treatment pipeline is connected to the right end of the first control valve, a bubble desulfurization area is transversely installed on the lower side of an inner cavity of the desulfurization equipment main body, a water-collecting-tank-free cyclone plate dehydrator is transversely installed on the upper side of the inner cavity of the desulfurization equipment main body and consists of a cover cylinder, a plurality of cyclone blades and a blind plate, the outer wall of the cover cylinder is installed by attaching to the side wall of the inner cavity of the desulfurization equipment main body, the cyclone blades are fixed on the inner side wall of the cover cylinder, and the blind, and a flue gas outlet is formed in the right side of the upper end surface of the desulfurization equipment main body.

Preferably, the bubble desulfurization district includes perforated plate and desulfurization thick liquid, the desulfurization thick liquid set up in on the up end of perforated plate, it is provided with first desulfurization thick liquid additional pipe to run through on the lateral wall of desulfurization equipment main part, the right-hand member of first desulfurization thick liquid additional pipe is connected with the second control valve, the right-hand member of second control valve is connected with second desulfurization thick liquid additional pipe, a plurality of low pressure atomizing nozzle main parts are installed to the downside of first desulfurization thick liquid additional pipe.

Preferably, the bubble desulfurization district is including bearing box and desulfurization slurry, the desulfurization slurry set up in bear the box in, the lower lateral wall that bears the box runs through and is equipped with the air duct, the upper end of air duct is the bending segment, and its bending opening orientation bears the box, run through on the lateral wall of sweetener main part and be provided with first desulfurization slurry filling pipe, the right-hand member of first desulfurization slurry filling pipe is connected with the second control valve, the right-hand member of second control valve is connected with second desulfurization slurry filling pipe, a plurality of low pressure atomizing nozzle main parts are installed to the downside of first desulfurization slurry filling pipe.

Preferably, the height of the flue gas inlet is greater than the heights of the first slurry treatment pipeline, the first control valve and the second slurry treatment pipeline.

Preferably, the heights of the first desulfurization slurry replenishing pipe, the second control valve, the second desulfurization slurry replenishing pipe and the low-pressure atomizing nozzle body are all greater than the height of the desulfurization slurry.

Preferably, the diameter of the cover cylinder is equal to the diameter of the side wall of the inner cavity of the main body of the desulfurization device.

Preferably, the heights of the cover cylinder, the plurality of swirl vanes and the blind plate are all larger than the height of the first desulfurization slurry replenishing pipe.

Preferably, the inner cavity of the low-pressure atomizing nozzle body is embedded with a nozzle sleeve, and a nozzle core is arranged inside the nozzle sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a desulfurizer replenishing structure of flue gas desulfurization equipment, which improves the atomization effect of the cleaning solution and the flow passage of the nozzle; the improved conventional cyclone plate dehydrator has the advantages of increased cyclone diameter of the flue gas, high desulfurization efficiency, low probability of nozzle blockage and good flue gas dehydration effect after washing.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic front view of embodiment 2 of the present invention;

FIG. 3 is a schematic top view of a spin plate dehydrator without a sump;

FIG. 4 is a schematic cross-sectional view of a low pressure atomizing nozzle body.

In the figure: 1-a desulfurization equipment main body, 2-a flue gas inlet, 3-a first discharging slurry processing pipeline, 4-a first control valve, 5-a second discharging slurry processing pipeline, 6-a sieve plate, 7-desulfurization slurry, 8-a first desulfurization slurry supplementing pipe, 9-a second control valve, 10-a second desulfurization slurry supplementing pipe, 11-a low-pressure atomizing nozzle main body, 12-a cover cylinder, 13-a swirl vane, 14-a blind plate, 15-a flue gas outlet, 16-a nozzle sleeve, 17-a nozzle core, 18-a bearing box and 19-an air guide pipe.

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.

Example one

Referring to fig. 1, 3 and 4, the present invention provides a technical solution: a desulfurizer replenishing structure of flue gas desulfurization equipment comprises a desulfurization equipment main body 1, a flue gas inlet 2 is arranged on the lower side of the left end face of the desulfurization equipment main body 1, a first discharge slurry treatment pipeline 3 is connected on the lower side of the right end face of the desulfurization equipment main body 1, a first control valve 4 is connected on the right end of the first discharge slurry treatment pipeline 3, a second discharge slurry treatment pipeline 5 is connected on the right end of the first control valve 4, a bubble desulfurization area is transversely installed on the lower side of the inner cavity of the desulfurization equipment main body 1 and comprises a sieve plate 6 and desulfurization slurry 7, the desulfurization slurry 7 is arranged on the upper end face of the sieve plate 6, a first desulfurization slurry replenishing pipe 8 is arranged on the side wall of the desulfurization equipment main body 1 in a penetrating manner, a second control valve 9 is connected on the right end of the first desulfurization slurry replenishing pipe 8, and a second desulfurization slurry replenishing pipe 10 is connected on the right end of the second, a plurality of low-pressure atomizing nozzle main bodies 11 are installed on the lower side of a first desulfurization slurry supplementing pipe 8, a water-collecting-tank-free swirl plate dehydrator is transversely installed on the upper side of an inner cavity of a desulfurization equipment main body 1 and consists of a cover barrel 12, a plurality of swirl blades 13 and a blind plate 14, the outer wall of the cover barrel 12 is installed along the side wall of the inner cavity of the desulfurization equipment main body 1, the swirl blades 13 are fixed on the inner side wall of the cover barrel 12, the blind plate 14 is installed on the lower side of the swirl blades 13, a large amount of liquid drops carrying harmful substances are carried after flue gas washing desulfurization and can be discharged outwards after removal treatment, and a water collecting tank is arranged between the inner wall of the desulfurization tower desulfurization equipment main body 1 and the cover barrel 12 of the dehydrator for collecting and returning liquid drops thrown to the tower wall after the flue gas forms swirl and then flows downwards through an. In practical production application, because the cyclone plate dehydrator is provided with the water collecting tank, the outer diameter of the cyclone blade 13 of the dehydrator is reduced, so that the centrifugal force for throwing liquid drops in flue gas to the tower wall is reduced, and the efficiency for removing the liquid drops in the flue gas is reduced, the cyclone blade 13 of the cyclone plate dehydrator without the water collecting tank in the embodiment is fixed between the cover cylinder 12 and the blind plate 14, the outer wall of the cover cylinder 12 is installed by being attached to the inner wall of the main body 1 of the desulfurization equipment, and the water collecting tank is not arranged between the cover cylinder 12 and the inner wall of the main body 1 of the desulfurization equipment, when the flue gas with entrained liquid mist rises and passes through the cyclone blade 13 to form vortex airflow, the liquid drops in the flue gas are thrown to the inner wall of the main body 1 of the desulfurization equipment under the action of the centrifugal force, the liquid drops fall down along the inner wall of the main body 1 of the desulfurization, so as to separate the liquid drops from the flue gas, and the right side of the upper end surface of the main body 1 of the desulfurization device is provided with a flue gas outlet 15.

Specifically, the height of the flue gas inlet 2 is greater than the height of the first incoming slurry treatment line 3, the first control valve 4 and the second incoming slurry treatment line 5.

Specifically, the first desulfurization slurry replenishment pipe 8, the second control valve 9, the second desulfurization slurry replenishment pipe 10, and the low-pressure atomizing nozzle main body 11 are all larger in height than the desulfurization slurry 7.

Specifically, the diameter of the jacket 12 is equal to the diameter of the sidewall of the inner cavity of the desulfurization apparatus main body 1.

Specifically, the heights of the shroud 12, the plurality of swirl vanes 13 and the blind plate 14 are all greater than the height of the first desulfurization slurry replenishing pipe 8.

Specifically, the inner cavity of the low-pressure atomizing nozzle body 11 is embedded with a nozzle sleeve 16, the nozzle core 17 is arranged inside the nozzle sleeve 16, and in the wet flue gas desulfurization equipment, the total surface area of the desulfurization slurry spray is a key factor influencing the desulfurization efficiency. For a particular desulfurization tower, the desulfurization rate increases with the total surface area of the spray, and therefore, increasing the total surface area of the desulfurization slurry spray droplets is a more cost-effective method of increasing desulfurization efficiency. The nozzle for spraying and atomizing the desulfurization slurry is a key part of the desulfurization device, and as impurities such as scaling fragments and the like inevitably exist in the desulfurization slurry, if the large-runner nozzle is adopted, the atomization effect of the desulfurization slurry is poor, and the desulfurization effect is seriously influenced; the spray nozzle is adopted, the pressure ratio of the desulfurization slurry is required to be higher, the nozzle is easy to block, so that the failure rate of a desulfurization device is high, and the equipment operation is unreliable, the problems are well solved by the spray nozzle sleeve 16 and the spray nozzle core 17 designed by the device, the spray nozzle sleeve 16 is a short hollow sleeve with a sealed bottom and a spray hole formed in the center, the upper end is provided with an external or internal pipe thread for connecting with a pipeline, the spray nozzle core 17 is in a short double-spiral structure, the lower part of the nozzle is provided with a vortex chamber, the inner hole of the hollow sleeve of the nozzle is phi 40-phi 100mm in diameter, the diameter of the spray hole is phi 12-phi 30mm, the free unblocked diameter of a double-spiral flow channel is 90-110% of the diameter of the spray. After entering the nozzle, the desulfurization slurry rotates around the axis along the double-helix large flow channel, converges in the vortex chamber to form a vortex flow, and is jetted out from the jet orifice in a vortex shape to form hollow conical spray with small droplet size, uniform liquid-mist distribution and 90-150 degrees of spray angle.

The working principle is as follows: when the utility model is used, sulfur-containing flue gas enters from a flue gas inlet 2 at the lower part of a desulfurization equipment main body 1, rises through a bubble desulfurization area formed by a layer of sieve plate 6 and meets a liquid film of desulfurization slurry 7 made of calcium alkali such as limestone, lime and the like on the surface of the sieve plate 6 to form a large amount of bubbles, the bubbles break to arouse water drops, water flowers, water mist and the like, so that the flue gas can fully contact with the slurry, a part of sulfur dioxide in the flue gas is absorbed by the desulfurization slurry 7, the flue gas continuously rises through the liquid mist desulfurization area, the nozzle cores 17 in the low-pressure atomizing nozzle main body 11 of a plurality of short double-spiral large-flow-channel structures are sprayed with good atomization effect, the atomization is uniform, the spray angle is 90-150 degrees hollow conical spray, the uniformly distributed desulfurization slurry spray covers the cross section of the whole tower body, the flue gas is fully sprayed with the desulfurization slurry, the uniform, therefore, the purpose of removing SO2 in the flue gas is achieved, the flue gas subjected to liquid film desulfurization by the sieve plate 6 and liquid mist desulfurization by the spraying area is carried with a large amount of liquid drops, the flue gas ascends through the water-collecting tank-free cyclone plate dehydrator, the ascending flue gas passes through the cyclone blades 13 to form vortex airflow, the liquid drops in the flue gas are thrown to the inner wall of the desulfurization equipment main body 1 under the action of centrifugal force, the gas ascends and is discharged from the upper part along the tangential direction, the liquid drops in the flue gas are separated from the gas, the liquid drops thrown to the inner wall of the desulfurization equipment main body 1 are gathered and then fall down along the inner wall, the gas flows through the cover barrel 12 and the cyclone blades 13 of the dehydrator and flows downwards into the bottom of the desulfurization equipment main body 1, and the.

Example two

Referring to fig. 2, the difference between the first embodiment and the second embodiment is: the bubble desulfurization district is including bearing box 18 and desulfurization thick liquid 7, desulfurization thick liquid 7 set up in bear in the box 18, the lower lateral wall that bears box 18 runs through and is equipped with air duct 19, air duct 19's upper end is the bending segment, and its bending opening orientation bears box 18, bears box 18 upper portion and is the opening form, it is provided with first desulfurization thick liquid additional tube 8 to run through on the lateral wall of sweetener main part 1, the right-hand member of first desulfurization thick liquid additional tube 8 is connected with second control valve 9, the right-hand member of second control valve 9 is connected with second desulfurization thick liquid additional tube 10, a plurality of low pressure atomizing nozzle main parts 11 are installed to the downside of first desulfurization thick liquid additional tube 8.

Compared with the first embodiment, the bubble desulfurization zone of the present embodiment is suitable for desulfurization slurry requiring liquid or ultrafine particles, prevents the desulfurization slurry from leaking into the lower portion of the desulfurization apparatus main body 1, and improves the utilization rate.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 desulfurizer of flue gas desulfurization equipment supplyes structure, includes desulfurization equipment main part (1), its characterized in that: the lower side of the left end face of the desulfurization equipment main body (1) is provided with a flue gas inlet (2), the lower side of the right end face of the desulfurization equipment main body (1) is connected with a first discharge slurry treatment pipeline (3), the right end of the first discharge slurry treatment pipeline (3) is connected with a first control valve (4), the right end of the first control valve (4) is connected with a second discharge slurry treatment pipeline (5), a bubble desulfurization area is transversely installed on the lower side of the inner cavity of the desulfurization equipment main body (1), a water-collecting-tank-free cyclone plate dehydrator is transversely installed on the upper side of the inner cavity of the desulfurization equipment main body (1), the water-collecting-tank-free cyclone plate dehydrator consists of a cover cylinder (12), a plurality of cyclone blades (13) and a blind plate (14), the outer wall of the cover cylinder (12) is attached to the side wall of the inner cavity of the desulfurization equipment main body (1), and the cyclone blades (13) are fixed on the inner, the blind plate (14) is arranged on the lower side of the rotational flow blade (13), and a flue gas outlet (15) is formed in the right side of the upper end face of the desulfurization equipment main body (1).

2. The desulfurizing agent replenishing structure of flue gas desulfurization equipment according to claim 1, characterized in that: the bubble desulfurization district includes perforated plate (6) and desulfurization thick liquid (7), desulfurization thick liquid (7) set up in on the up end of perforated plate (6), it supplyes tub (8) to run through on the lateral wall of sweetener main part (1) and be provided with first desulfurization thick liquid, the right-hand member of first desulfurization thick liquid supplyes tub (8) is connected with second control valve (9), the right-hand member of second control valve (9) is connected with second desulfurization thick liquid supplyes tub (10), a plurality of low pressure atomizing nozzle main parts (11) are installed to the downside of first desulfurization thick liquid supplyes tub (8).

3. The desulfurizing agent replenishing structure of flue gas desulfurization equipment according to claim 1, characterized in that: the bubble desulfurization district is including bearing box (18) and desulfurization thick liquid (7), desulfurization thick liquid (7) set up in bearing box (18), the lower lateral wall that bears box (18) runs through and is equipped with air duct (19), the upper end of air duct (19) is the bending segment, and its bending opening orientation bears box (18), it is provided with first desulfurization thick liquid additional pipe (8) to run through on the lateral wall of sweetener main part (1), the right-hand member of first desulfurization thick liquid additional pipe (8) is connected with second control valve (9), the right-hand member of second control valve (9) is connected with second desulfurization thick liquid additional pipe (10), a plurality of low pressure atomizing nozzle main parts (11) are installed to the downside of first desulfurization thick liquid additional pipe (8).

4. The desulfurizing agent replenishing structure of flue gas desulfurization equipment according to claim 1, characterized in that: the height of the flue gas inlet (2) is larger than the height of the first slurry treatment pipeline (3), the first control valve (4) and the second slurry treatment pipeline (5).

5. The desulfurizing agent replenishing structure of a flue gas desulfurization apparatus according to claim 2 or 3, characterized in that: the heights of the first desulfurization slurry replenishing pipe (8), the second control valve (9), the second desulfurization slurry replenishing pipe (10) and the low-pressure atomizing nozzle main body (11) are all larger than that of the desulfurization slurry (7).

6. The desulfurizing agent replenishing structure of flue gas desulfurization equipment according to claim 1, characterized in that: the diameter of the cover cylinder (12) is equal to that of the side wall of the inner cavity of the main body (1) of the desulfurization device.

7. The desulfurizing agent replenishing structure of a flue gas desulfurization apparatus according to claim 2, characterized in that: the heights of the cover cylinder (12), the plurality of swirl vanes (13) and the blind plate (14) are all larger than the height of the first desulfurization slurry replenishing pipe (8).

8. The desulfurizing agent replenishing structure of a flue gas desulfurization apparatus according to claim 2 or 3, characterized in that: the inner cavity of the low-pressure atomizing nozzle main body (11) is embedded with a nozzle sleeve (16), and a nozzle core (17) is arranged inside the nozzle sleeve (16).