CN218688093U

CN218688093U - Spray desulfurizing tower

Info

Publication number: CN218688093U
Application number: CN202222995447.XU
Authority: CN
Inventors: 王卫娜; 李忠; 李洁
Original assignee: Shanghai Hanzhong Environmental Protection Co ltd
Current assignee: Shanghai Hanzhong Environmental Protection Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a spray desulfurization tower, which belongs to the technical field of desulfurization towers and aims at solving the problems that when the existing spray desulfurization tower is used for treating flue gas, the flue gas treatment is not uniform and sufficient, and a part of flue gas easily leaves an absorption tower without sufficient gas-liquid contact, thereby influencing the sufficiency and efficiency of flue gas desulfurization; the utility model discloses a be the even spun flue gas of annular and the even spun absorption liquid of annular and carry out the intensive mixing contact with fixed interval at fixed interval, ensure flue gas upper segment, middle section and hypomere and be close to the flue gas homoenergetic and the absorption liquid homogeneous mixing contact of desulfurizing tower inside wall department to effectively improve flue gas desulfurization treatment's sufficiency and desulfurization efficiency.

Description

Spray desulfurizing tower

Technical Field

The utility model belongs to the technical field of the desulfurizing tower, concretely relates to spray desulfurizing tower.

Background

In the production process of industries such as thermal power plants, environmental protection, petroleum, chemical industry, light industry and metallurgy, because the flue gas generated by coal combustion can contain substances such as sulfides, the desulfurization treatment of industrial waste gas is generally carried out by adopting a desulfurization tower at present, the desulfurization tower generally adopts a spraying mode to carry out desulfurization treatment, absorption liquid is sprayed downwards from the top of the desulfurization tower after being refined in the absorption tower, the flue gas flows upwards from the bottom of the desulfurization tower and is in contact reaction with the absorption liquid, and the absorption liquid absorbs sulfur dioxide in the flue gas, thereby carrying out desulfurization treatment.

In the desulfurizing tower, the change of SO2 concentration on the desulfurizing tower cross-section is that both sides are high, the centre is low, and absorption liquid spray density that is close to desulfurizing tower inner wall position generally will be much lower than absorption tower central point, lead to the flue gas to handle evenly inadequately abundant, absorption liquid is when spouting the absorption tower inner wall simultaneously, can form the liquid film and flow down along the absorption tower inner wall, the mass transfer effect of this part gas-liquid contact surface is very poor, lead to some flue gas not just to leave the absorption tower through sufficient gas-liquid contact, this has just caused the flue gas along the "escape" of absorption tower inner wall, thereby influence flue gas desulfurization sufficiency and efficiency.

Therefore, a spray desulfurization tower is needed, and the problem that when the flue gas is treated by the existing spray desulfurization tower, the flue gas treatment is not uniform enough, so that part of the flue gas is easy to leave the absorption tower without sufficient gas-liquid contact, and the flue gas desulfurization sufficiency and efficiency are affected is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spray desulfurizing tower to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spray desulfurizing tower, includes the desulfurizing tower shell, the bottom mounting of desulfurizing tower shell has the interior shell with the coaxial setting of desulfurizing tower shell, be provided with the reaction liquid interval evacuation mechanism that the multiunit is the equidistance and distributes on the side of interior shell, one side of desulfurizing tower shell is provided with the water pump, the output of water pump is fixed with the transfer line, the transfer line is kept away from the one end and the inside intercommunication of reaction liquid interval evacuation mechanism of water pump, the inside of interior shell is provided with flue gas interval evacuation mechanism, the bottom intercommunication of flue gas interval evacuation mechanism has the intake pipe, the bottom intercommunication of desulfurizing tower shell has the fluid-discharge tube, the top of desulfurizing tower shell is fixed with the roof.

What need explain in the scheme is, reaction liquid interval is arranged scattered mechanism is including inlaying the annular block of adorning on the inner tube shell lateral wall, the annular block is provided with a plurality ofly and is the equidistance and distributes, cavity b has been seted up in the annular block, set up the hydrojet hole with cavity b intercommunication on the medial surface of annular block, hydrojet hole is provided with a plurality ofly and is the annular and distributes, and two are adjacent the intercommunication has connecting pipe b between the annular block.

It is further worth explaining that the flue gas interval emission mechanism comprises a plurality of disc-shaped blocks fixed with the inner side wall of the bottom end of the outer shell of the desulfurization tower, the disc-shaped blocks are arranged in a plurality of equidistant distribution, a cavity a is formed in each disc-shaped block, a smoke outlet communicated with the cavity a is formed in the side face of each disc-shaped block, the smoke outlet is provided with a plurality of smoke outlets which are distributed in an annular mode, a connecting pipe a is fixed between every two adjacent disc-shaped blocks, two ends of each connecting pipe a are communicated with the cavities a in the two adjacent disc-shaped blocks, and the cavity a in the disc-shaped block at the lowest position is communicated with the air inlet pipe.

It should be further noted that both ends of the connecting tube b and the port of the infusion tube are provided with sealing rings, and a plurality of disc-shaped blocks are vertically arranged and positioned at the center of the inner cylinder shell.

As a preferred embodiment, the bottom end of the outer shell of the desulfurization tower is fixed with two support legs which are symmetrically distributed, and the central position of the top end side surface of the top plate is fixed with an exhaust pipe communicated with the inside of the inner cylinder shell.

Compared with the prior art, the utility model provides a pair of spray desulfurizing tower includes following beneficial effect at least:

(1) It is the even blowout of fixed interval annular to arrange scattered mechanism with the absorption liquid through the reaction liquid interval, the sulfur dioxide that the absorption liquid absorbed in the flue gas carries out the desulfurization, be the even blowout of fixed interval annular flue gas and be the even blowout of fixed interval annular absorption liquid and carry out the intensive mixing contact, ensure the flue gas upper segment, middle section and hypomere and be close to the flue gas homoenergetic and the absorption liquid intensive mixing contact of desulfurizing tower inside wall department to effectively improve flue gas desulfurization treatment's sufficiency and desulfurization efficiency.

(2) The inner cylinder shell through setting up is located the central point of dish-shaped piece and puts for be annular spun flue gas and be every position of annular spun absorption liquid and can both the intensive mixing contact, improve the homogeneity that flue gas and absorption liquid mix.

Drawings

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

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of a partial structure of the connecting pipe b of the present invention;

fig. 5 is a schematic view of the local structure of the smoke outlet of the present invention.

In the figure: 1. a smoke interval discharge mechanism; 101. a disk-shaped block; 102. a smoke outlet; 103. a connecting pipe a; 104. a cavity a; 2. a reaction liquid interval discharging mechanism; 201. a ring block; 202. a liquid ejection hole; 203. a connecting pipe b; 204. a cavity b; 3. a desulfurizing tower shell; 4. a top plate; 5. an exhaust pipe; 6. a transfusion tube; 7. a water pump; 8. a support leg; 9. an air inlet pipe; 10. a liquid discharge pipe; 11. an inner cartridge shell.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a spray desulfurization tower, including desulfurization tower shell 3, the bottom of desulfurization tower shell 3 is fixed with inner tube shell 11 coaxial with desulfurization tower shell 3, be provided with the reaction liquid interval dissipation mechanism 2 that the multiunit is the equidistance and distributes on the side of inner tube shell 11, one side of desulfurization tower shell 3 is provided with water pump 7, the output of water pump 7 is fixed with transfer line 6, the one end of transfer line 6 that keeps away from water pump 7 communicates with reaction liquid interval dissipation mechanism 2 is inside, the inside of inner tube shell 11 is provided with flue gas interval dissipation mechanism 1, the bottom intercommunication of flue gas interval dissipation mechanism 1 has intake pipe 9, the bottom intercommunication of desulfurization tower shell 3 has fluid-discharge tube 10, the top of desulfurization tower shell 3 is fixed with roof 4; when in use, the flue gas is carried in the flue gas interval emission mechanism 1 through intake pipe 9, the flue gas flows the diffusion from the flue gas interval emission mechanism 1 bottom up, it is the even blowout of fixed interval annular in the mechanism 1 to emit from the flue gas interval, start water pump 7 simultaneously and work, water pump 7 carries the reaction liquid interval emission mechanism 2 with the absorption liquid through transfer line 6 in, and it is the even blowout of fixed interval annular to emit through reaction liquid interval emission mechanism 2, the sulfur dioxide in the absorption liquid absorption flue gas carries out the desulfurization, it carries out the intensive mixing contact with the absorption liquid that is the even blowout of fixed interval annular to be the even blowout of fixed interval annular flue gas, ensure the flue gas upper segment, middle section and hypomere and the flue gas homoenergetic and the absorption liquid homogeneous mixing contact that are close to desulfurizing tower inside wall department, thereby effectively improve flue gas desulfurization treatment's sufficiency and desulfurization efficiency, fall into the bottom of desulfurizing tower shell 3 behind the sulfur in the absorption liquid absorption flue gas, discharge through fluid-discharge tube 10.

Further as shown in fig. 2, fig. 3 and fig. 4, it is worth specifically explaining that the reaction solution interval discharge mechanism 2 includes a plurality of annular blocks 201 embedded on the side wall of the inner cylindrical shell 11, the annular blocks 201 are provided with a plurality of cavities b204 and distributed at equal intervals, the annular blocks 201 are provided with cavities b204 therein, the inner side surface of the annular blocks 201 is provided with a plurality of liquid spraying holes 202 communicated with the cavities b204, the liquid spraying holes 202 are provided with a plurality of annular distributions, and a connecting pipe b203 is communicated between two adjacent annular blocks 201; water pump 7 is gone into the absorption liquid through transfer line 6 pump in the cavity b204 in topmost annular piece 201, the cavity b204 in a plurality of annular pieces 201 is carried to a plurality of connecting pipes b203 in the rethread, a plurality of hydrojet holes 202 on a plurality of annular pieces 201 of rethread are the annular and evenly spray, a plurality of hydrojet holes 202 on a plurality of annular pieces 201 are the absorption liquid and are the even blowout of fixed interval annular and flue gas and carry out contact reaction, effectively improve flue gas desulfurization reaction's sufficiency and efficiency.

Further as shown in fig. 2 and fig. 5, it is worth specifically explaining that the flue gas interval discharging mechanism 1 includes a plurality of disc-shaped blocks 101 fixed to the inner side wall of the bottom end of the outer casing 3 of the desulfurization tower, the disc-shaped blocks 101 are provided with a plurality of equidistantly distributed cavities a104, the side surfaces of the disc-shaped blocks 101 are provided with a plurality of smoke outlet holes 102 communicated with the cavities a104, the smoke outlet holes 102 are provided with a plurality of annularly distributed smoke outlet holes 102, a connecting pipe a103 is fixed between two adjacent disc-shaped blocks 101, two ends of the connecting pipe a103 are communicated with the cavities a104 in the two adjacent disc-shaped blocks 101, and the cavity a104 in the lowermost disc-shaped block 101 is communicated with the air inlet pipe 9; the flue gas passes through intake pipe 9 and carries in the disk piece 101 of bottommost, and carry a plurality of disk pieces 101 through a plurality of connecting pipes a103 in, the outlet flue 102 on a plurality of disk pieces 101 is the even blowout of fixed interval annular and absorption liquid and carries out the contact reaction with the flue gas, make to be the even spun flue gas of fixed interval annular and carry out the intensive mixing contact with the absorption liquid that is the even spun of fixed interval annular, ensure the flue gas upper segment, middle section and hypomere and the flue gas homoenergetic and the absorption liquid homogeneous mixing contact that are close to desulfurizing tower inside wall department, further improve flue gas desulfurization reaction's sufficiency and efficiency.

As further shown in fig. 2 and 3, it is worth specifically describing that both ends of the connecting tube b203 and the port of the infusion tube 6 are provided with sealing rings, and the plurality of disc-shaped blocks 101 are vertically arranged and located at the center of the inner cylindrical shell 11; during specific work, the arranged inner cylinder shell 11 is located at the center of the disc-shaped block 101, so that the smoke sprayed in an annular mode and the absorption liquid sprayed in an annular mode can be fully mixed and contacted at each position, and the mixing uniformity of the smoke and the absorption liquid is improved.

As further shown in fig. 1 and 2, it is worth specifically describing that two support legs 8 are fixed at the bottom end of the outer shell 3 of the desulfurization tower, the support legs 8 are symmetrically distributed, and the exhaust pipe 5 communicated with the inside of the inner cylinder shell 11 is fixed at the center of the top end side surface of the top plate 4; during specific work, the flue gas rises to the exhaust pipe 5 after being subjected to desulfurization treatment, and is discharged through the exhaust pipe 5, so that the desulfurization treatment is completed.

The scheme has the following working processes: during the use, water pump 7 pumps the absorption liquid through transfer line 6 in cavity b204 in the topmost ring piece 201, carry the cavity b204 in a plurality of ring pieces 201 through a plurality of connecting pipes b203 in, a plurality of liquid spray holes 202 on a plurality of ring pieces 201 carry out and are the annular and evenly spray, the flue gas is carried in the disk piece 101 of bottommost through intake pipe 9, and carry in a plurality of disk pieces 101 through a plurality of connecting pipes a103, the outlet flue 102 on a plurality of disk pieces 101 is the even blowout of fixed interval annular of flue gas and absorption liquid and carries out the contact reaction, make and be the even blowout of fixed interval annular flue gas and be the even blowout of fixed interval annular and carry out the intensive mixing contact, ensure the flue gas upper segment, middle section and hypomere and be close to the flue gas homoenergetic and the absorption liquid homogeneous mixing contact of desulfurizing tower inside wall department, improve flue gas desulfurization reaction's sufficiency and efficiency, the flue gas rises to blast pipe 5 department after desulfurization, discharge through blast pipe 5, accomplish desulfurization treatment.

The water pump 7 is commercially available, and the water pump 7 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description is omitted in the specification.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

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 spray desulfurization tower, includes desulfurizing tower shell (3), its characterized in that, the bottom mounting of desulfurizing tower shell (3) has interior bobbin shell (11) with the coaxial setting of desulfurizing tower shell (3), be provided with reaction liquid interval that the multiunit is the equidistance and distributes on the side of interior bobbin shell (11) and arrange mechanism (2), one side of desulfurizing tower shell (3) is provided with water pump (7), the output of water pump (7) is fixed with transfer line (6), the one end and the reaction liquid interval that water pump (7) were kept away from in transfer line (6) are arranged and are dispersed mechanism (2) inside intercommunication, the inside of interior bobbin shell (11) is provided with flue gas interval and arranges mechanism (1), the bottom intercommunication that the mechanism (1) was arranged at flue gas interval has intake pipe (9), the bottom intercommunication of desulfurizing tower shell (3) has fluid-discharge tube (10), the top of desulfurizing tower shell (3) is fixed with roof (4).

2. The spray desulfurization tower according to claim 1, characterized in that the reaction liquid interval discharge mechanism (2) comprises a plurality of annular blocks (201) embedded on the side wall of the inner cylindrical shell (11), the annular blocks (201) are arranged in a plurality and distributed at equal intervals, cavities b (204) are formed in the annular blocks (201), liquid spray holes (202) communicated with the cavities b (204) are formed in the inner side surface of the annular blocks (201), the liquid spray holes (202) are arranged in a plurality and distributed in an annular manner, and a connecting pipe b (203) is communicated between two adjacent annular blocks (201).

3. The spray desulfurization tower according to claim 2, wherein the flue gas interval discharge mechanism (1) comprises a disk-shaped block (101) fixed to the inner side wall of the bottom end of the desulfurization tower housing (3), the disk-shaped block (101) is provided with a plurality of cavities distributed at equal intervals, a cavity a (104) is formed in the disk-shaped block (101), a smoke outlet (102) communicated with the cavity a (104) is formed in the side surface of the disk-shaped block (101), the smoke outlet (102) is provided with a plurality of cavities distributed in an annular manner, a connecting pipe a (103) is fixed between two adjacent disk-shaped blocks (101), two ends of the connecting pipe a (103) are communicated with the cavities a (104) in the two adjacent disk-shaped blocks (101), and the cavity a (104) in the disk-shaped block (101) at the lowest position is communicated with the air inlet pipe (9).

4. The spray desulfurization tower according to claim 3, wherein the two ends of the connecting pipe b (203) and the port of the infusion pipe (6) are provided with sealing rings, and the plurality of disc-shaped blocks (101) are vertically arranged and are positioned at the center of the inner cylindrical shell (11).

5. The spray desulfurization tower of claim 1, wherein two support legs (8) are fixed at the bottom end of the outer shell (3) of the desulfurization tower, the support legs (8) are symmetrically distributed, and the exhaust pipe (5) communicated with the inside of the inner barrel shell (11) is fixed at the center of the top end side surface of the top plate (4).