CN215138535U

CN215138535U - Flue gas desulfurization tower

Info

Publication number: CN215138535U
Application number: CN202120260899.6U
Authority: CN
Inventors: 李林伟; 雷登成; 潘福贵; 苟小彬
Original assignee: Zunyi Mingdu Building Material Co ltd
Current assignee: Zunyi Mingdu Building Material Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-14
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a flue gas desulfurization tower relates to desulfurizing tower technical field, including the tower body, desulfurization chamber and stock solution chamber, tower body one side fixed mounting has the intake pipe, intake pipe one end fixedly connected with annular trachea, the exhanst gas outlet has been seted up at the tower body top, tower body inboard bottom fixed mounting has the oxidation fan, oxidation fan top fixed mounting has the bottom plate, the bottom plate top is provided with the desulfurization chamber, the inside fixed mounting of desulfurization chamber has the agitator, agitator top fixed mounting has servo motor, the equal fixedly connected with sloping block in servo motor both sides, and sloping block quantity is two. This kind of desulfurizing tower passes through intake pipe, annular outlet duct, desulfurization chamber, agitator and servo motor's cooperation and uses for the flue gas can be abundant with the doctor solution contact reaction, uses through the cooperation in shower nozzle, baffle, stock solution chamber and hydrojet chamber, can carry out secondary desulfurization reaction to the flue gas, improves flue gas desulfurization's effect.

Description

Flue gas desulfurization tower

Technical Field

The utility model relates to a desulfurizing tower technical field specifically is a flue gas desulfurization tower.

Background

The desulfurizing tower is tower equipment for desulfurizing industrial waste gas, is most widely applied by building granite at first, utilizes a water film desulfurization dust removal principle, is also called a granite water film desulfurization dust remover or a granite water film desulfurization dust remover, is widely applied to flue gas desulfurization in the domestic coal industry, can prevent sulfur-containing flue gas from being discharged to cause the phenomenon of polluting atmosphere, and is environment-friendly because gas subjected to desulfurization treatment by the desulfurizing tower is harmless to the environment.

However, after the flue gas enters the existing desulfurizing tower, the flue gas cannot be fully contacted with the desulfurizing liquid, so that the desulfurizing effect on the flue gas is not ideal enough, the flue gas with sulfide is easily discharged, the air pollution of the surrounding environment is caused, and when only one desulfurizing reaction is carried out, a small amount of sulfur dioxide is inevitably left in the discharged flue gas, and the desulfurization is not thorough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the background technology and provide a flue gas desulfurization tower. Through intake pipe, annular outlet duct, desulfurization chamber, agitator and servo motor's cooperation use for the flue gas can be abundant with the doctor solution contact reaction, uses through the cooperation in shower nozzle, baffle, stock solution chamber and hydrojet chamber, can carry out secondary desulfurization reaction to the flue gas, improves flue gas desulfurization's effect.

In order to achieve the above purpose, the utility model provides a technical scheme, a flue gas desulfurization tower comprises a tower body, a desulfurization chamber and a liquid storage cavity, wherein an air inlet pipe is fixedly arranged on one side of the tower body, one end of the air inlet pipe is fixedly connected with an annular air outlet pipe, the top of the tower body is provided with a flue gas outlet, the bottom of the inner side of the tower body is fixedly provided with an oxidation fan, the top of the oxidation fan is fixedly provided with a bottom plate, the top of the bottom plate is provided with the desulfurization chamber, the inside of the desulfurization chamber is fixedly provided with a stirrer, the top of the stirrer is fixedly provided with a servo motor, two inclined blocks are fixedly connected with two sides of the servo motor, air guide pipes are arranged inside the inclined blocks, the number of the air guide pipes is a plurality of the air guide pipes, one side of the top of the air guide pipes is provided with a side hole, the bottom of the inclined blocks is fixedly connected with a return pipe, the top of the inclined blocks is fixedly provided with the liquid storage cavity, the utility model discloses a spray dryer, including liquid storage chamber, spray tank, pump case, spray tank, and spray tank, and spray tank, and spray tank, and spray tank, and.

Furthermore, the direction of the air hole of the annular air outlet pipe is downward, and a protection plate is arranged at the bottom of the annular air outlet pipe.

Furthermore, the inclined block inclines towards one side of the return pipe, and the inclination angle is 45 degrees.

Furthermore, a plurality of air ducts are uniformly arranged inside the inclined block, and the side holes on the air ducts face one side of the return pipe.

Furthermore, the tower body, the inclined block and the protection plate are all made of stainless steel materials.

Furthermore, the backflow pipe is U-shaped, one end of the backflow pipe is connected with the inclined block, and the other end of the backflow pipe is connected with the desulfurization chamber.

The utility model provides a flue gas desulfurization tower has following beneficial effect:

1. the utility model has the advantages of, through the intake pipe, annular outlet duct, the desulfurization chamber, agitator and servo motor's cooperation is used, treat that the desulfurated flue gas enters into in the annular outlet duct through the intake pipe, and the gas pocket blowout through annular outlet duct bottom, increase the dwell time of muscle flue gas in the doctor solution, then start servo motor, servo motor drive agitator stirs in the desulfurization chamber, make the flue gas in the desulfurization chamber can furthest mix with the doctor solution, make the flue gas carry out desulfurization reaction for the first time in the desulfurization chamber, and the agitator also can effectively prevent to take place the sediment in the desulfurization chamber.

2. Secondly, through the cooperation use of shower nozzle, baffle, stock solution chamber and hydrojet chamber, can carry out secondary desulfurization reaction to the flue gas, the shower nozzle through stock solution chamber bottom will doctor solution blowout for flue gas at the hydrojet intracavity carries out secondary desulfurization reaction, and the doctor solution is spouted on the baffle of hydrojet chamber both sides, makes doctor solution can furthest with the flue gas contact, increases the reaction time of desulfurization, improves the effect of desulfurization.

Drawings

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

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In FIGS. 1-3: the device comprises a tower body-1, an air inlet pipe-101, an annular air outlet pipe-102, a flue gas outlet-103, an oxidation fan-2, a bottom plate-201, a desulfurization chamber-3, a stirrer-301, a servo motor-4, an inclined block-5, an air guide pipe-501, a side hole-502, a return pipe-503, a liquid storage cavity-6, an air guide pipe-601, a spray head-602, a baffle-603, a liquid spraying cavity-604, an water outlet pipe-605, a pump box-7, a water pump-701, a water inlet pipe-702, a demister-8 and a drying layer-801.

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 (b):

referring to figures 1-3 of the drawings,

the embodiment provides a flue gas desulfurization tower, which comprises a tower body 1, a desulfurization chamber 3 and a liquid storage cavity 6, wherein an air inlet pipe 101 is fixedly arranged on one side of the tower body 1, one end of the air inlet pipe 101 is fixedly connected with an annular air outlet pipe 102, the top of the tower body 1 is provided with a flue gas outlet 103, the bottom of the inner side of the tower body 1 is fixedly provided with an oxidation fan 2, the top of the oxidation fan 2 is fixedly provided with a bottom plate 201, the top of the bottom plate 201 is provided with the desulfurization chamber 3, the inside of the desulfurization chamber 3 is fixedly provided with a stirrer 301, the top of the stirrer 301 is fixedly provided with a servo motor 4, two sides of the servo motor 4 are fixedly connected with inclined blocks 5, the number of the inclined blocks 5 is two, the inclined blocks 5 are internally provided with air guide pipes 501, the number of the air guide pipes 501 is several, one side of the top of the air guide pipes 501 is provided with a side hole 502, the bottom of the inclined blocks 5 is fixedly connected with a return pipe 503, the top of the inclined blocks 5 is fixedly provided with the liquid storage cavity 6, the liquid storage cavity 6 is internally fixedly provided with an

air pipe

601, 6 bottom fixed mounting in stock solution chamber has shower nozzle 602, shower nozzle 602 both sides all are provided with baffle 603, form spray chamber 604 between the adjacent baffle 603, spray chamber 604 equals with shower nozzle 602 quantity, 6 one side fixedly connected with outlet pipe 605 in stock solution chamber, 1 one side fixed mounting of tower body has pump box 7, the inside fixed mounting of pump box 7 has water pump 701, stock solution chamber 6 passes through outlet pipe 605 and water pump 701 fixed connection, water pump 701 one side fixedly connected with

inlet tube

702, 6 top fixed mounting in stock solution chamber has

defroster

8, 8 top fixed mounting of defroster have dry layer 801.

Further, annular outlet duct 102 gas pocket direction is down, and annular outlet duct 102 bottom is provided with a protection shield for the dwell time of the extension that can furthest of spun gas in annular outlet duct 102 in the desulfurization chamber 3, and the protection shield that sets up can effectively protect 3 bottoms surfaces of desulfurization chamber, and it is serious to avoid 3 bottoms surfaces of desulfurization chamber to receive the impact of gas for a long time and the corruption condition.

Further, the inclined block 5 is inclined towards the return pipe 503 side, and the inclination angle is 45 degrees, so that the desulfurization solution sprayed from the spray head 602 reacts with the flue gas in the spray cavity 604 and falls onto the inclined block 5, and rapidly flows to the return pipe 503 through the inclined block 5, the retention time of the desulfurization solution on the surface of the inclined block 5 is reduced, and the desulfurization solution returns to the desulfurization chamber 3 through the return pipe 503.

Furthermore, a plurality of air ducts 501 are uniformly arranged inside the sloping block 5, the side holes 502 on the air ducts 501 face one side of the return pipe 503, gas after the reaction with the desulfurization solution inside the desulfurization chamber 3 enters the plurality of air ducts 503, then is discharged through the side holes 502 and continuously rises into the liquid spraying cavity 604, and the desulfurization solution on the sloping block 5 can be effectively prevented from entering the air ducts 501 due to the orientation of the side holes 502.

Further, the tower body 1, the sloping block 5 and the protection shield are made of stainless steel materials, and the stainless steel materials have the characteristics of good corrosion resistance, high mechanical strength and the like, so that the tower body 1, the sloping block 5 and the protection shield resist corrosion of sulfides in smoke in a long-time use process, the service lives of the tower body 1, the sloping block 5 and the protection shield are prolonged, and the high mechanical strength characteristic enables the tower body 1 to have certain anti-impact capacity, and the influence of severe weather on the tower body 1 is reduced.

Furthermore, the return pipe 503 is in a U shape, one end of the return pipe 503 is connected to the inclined block 5, and the other end is connected to the desulfurization chamber 3, so that the desulfurization solution that is subjected to the secondary desulfurization reaction in the liquid spraying cavity 604 can flow back to the desulfurization chamber through the return pipe 503, and the desulfurization reaction is performed on the flue gas again, thereby improving the utilization rate of the desulfurization solution.

When the utility model is used, before the use, whether each structure in the desulfurizing tower has abnormal problems is checked, abnormal problems are avoided when desulfurizing operation is carried out, and then the desulfurizing effect is reduced, when the desulfurizing tower is operated, the flue gas to be desulfurized enters the annular outlet pipe 102 through the air inlet pipe 101 and is sprayed out through the air hole at the bottom of the annular outlet pipe 102, the bottom surface of the desulfurizing chamber 3 can be effectively protected by the protective plate arranged at the bottom of the annular outlet pipe 102, the bottom surface of the desulfurizing chamber 3 is prevented from being seriously corroded due to the impact of the gas for a long time, then the servo motor 4 is started, the stirrer 301 is driven by the servo motor 4 to stir in the desulfurizing chamber 3, the flue gas in the desulfurizing chamber 3 can be mixed with desulfurizing liquid to the maximum extent, the flue gas carries out the first desulfurizing reaction in the desulfurizing chamber 3, and the stirrer 301 can also effectively prevent the desulfurizing chamber 3 from precipitating, the flue gas after the first desulfurization reaction in the desulfurization chamber 3 enters the plurality of gas guide pipes 501 at the top of the desulfurization chamber 3, is discharged through the side holes 502 on the gas guide pipes 501 and continuously rises into the liquid spray cavity 604, at this time, the water pump 701 in the pump box 7 is started, the desulfurization solution in the desulfurization chamber 3 is pumped into the water pump 701 through the water inlet pipe 702 and enters the liquid storage cavity 6 through the water outlet pipe 605, and the desulfurization solution is sprayed out through the spray head 602 at the bottom of the liquid storage cavity 6, so that the flue gas in the liquid spray cavity 604 is subjected to the second desulfurization reaction, and the desulfurization solution is sprayed on the baffles at two sides of the liquid spray cavity 6, so that the desulfurization solution can be contacted with the flue gas to the maximum extent, the reaction time of desulfurization is increased, the efficiency of desulfurization is improved, then the desulfurization solution sprayed out by the spray head 602 and the desulfurization solution dropped on the baffles 603 are collected through the inclined blocks 5, and the desulfurization solution is guided into the return pipe 503, and then flows back to the desulfurization chamber again through the return pipe 503, the desulfurization reaction is performed on the flue gas again, the utilization rate of the desulfurization solution is improved, then the flue gas in the liquid spraying cavity 604 continuously flows upwards through the vent pipe 601, fog particles and slurry drops carried by the flue gas are collected through the demister 8, then the flue gas is dried through the drying layer 801, and finally the flue gas is discharged outside through the flue gas outlet 103.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a flue gas desulfurization tower, includes tower body (1), desulfurization chamber (3) and stock solution chamber (6), its characterized in that, tower body (1) one side fixed mounting has intake pipe (101), intake pipe (101) one end fixedly connected with annular outlet duct (102), exhanst gas outlet (103) have been seted up at tower body (1) top, tower body (1) inboard bottom fixed mounting has oxidation fan (2), oxidation fan (2) top fixed mounting has bottom plate (201), bottom plate (201) top is provided with desulfurization chamber (3), inside fixed mounting of desulfurization chamber (3) has agitator (301), agitator (301) top fixed mounting has servo motor (4), equal fixedly connected with sloping block (5) in servo motor (4) both sides, and sloping block (5) quantity is two, the inside air duct (501) that is provided with of sloping block (5), and the quantity of the air ducts (501) is a plurality of, a side hole (502) is opened on one side of the top of the air duct (501), a return pipe (503) is fixedly connected with the bottom of the sloping block (5), a liquid storage cavity (6) is fixedly installed on the top of the sloping block (5), a vent pipe (601) is fixedly installed in the liquid storage cavity (6), a spray head (602) is fixedly installed at the bottom of the liquid storage cavity (6), baffle plates (603) are arranged on both sides of the spray head (602), a liquid spray cavity (604) is formed between the adjacent baffle plates (603), the quantity of the liquid spray cavity (604) is equal to that of the spray head (602), a water outlet pipe (605) is fixedly connected with one side of the liquid storage cavity (6), a pump box (7) is fixedly installed on one side of the tower body (1), a water pump (701) is fixedly installed in the pump box (7), and the liquid storage cavity (6) is fixedly connected with the water pump (701) through the water outlet pipe (605), one side of the water pump (701) is fixedly connected with a water inlet pipe (702), the top of the liquid storage cavity (6) is fixedly provided with a demister (8), and the top of the demister (8) is fixedly provided with a drying layer (801).

2. The flue gas desulfurization tower of claim 1, wherein the air holes of the annular outlet pipe (102) are directed downwards, and a protection plate is arranged at the bottom of the annular outlet pipe (102).

3. The flue gas desulfurization tower of claim 1, wherein the swash block (5) is inclined to the return pipe (503) side by an angle of 45 °.

4. The flue gas desulfurization tower of claim 1, wherein a plurality of the gas-guide tubes (501) are uniformly arranged inside the sloping block (5), and the side holes (502) on the gas-guide tubes (501) face one side of the return tube (503).

5. The flue gas desulfurization tower of claim 1, wherein the tower body (1), the swash block (5) and the protection plate are made of stainless steel material.

6. The flue gas desulfurization tower of claim 1, wherein the return pipe (503) has a "U" shape, and one end of the return pipe (503) is connected to the swash block (5) and the other end is connected to the desulfurization chamber (3).