Desulfurization and denitrification purification tower capable of increasing total exhaust emission amount

Abstract

The utility model relates to the technical field of desulfurization and denitrification purification towers, and discloses a desulfurization and denitrification purification tower capable of increasing the total exhaust gas emission amount, which comprises a tower body, a dust treatment mechanism is arranged on the left side of the tower body, a desulfurization and denitrification treatment mechanism is arranged in the tower body, the top end of the tower body is fixedly connected with an emission pipe, and the top end of the tower body is fixedly connected with an exhaust pipe. Residue particles in waste gas can be filtered by arranging the filter screen, the conveyed waste gas can be in full contact with sprayed desulfurization and denitrification liquid by arranging the desulfurization and denitrification treatment mechanism, the staying time of the waste gas in the tower body can be prolonged by arranging the two staggered through holes, so that the waste gas can be in more thorough contact, and the desulfurization and denitrification treatment efficiency is improved. And by arranging the gas detection mechanism, the treated gas is detected through a toxic gas sensor, when toxic gas exists in the detected gas, the gas can be subjected to desulfurization and denitrification treatment again, when the detected gas is non-toxic, the gas can be discharged, use is convenient, the effect is good, and air pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization and denitration purification towers, in particular to a desulfurization and denitration purification tower capable of increasing the total amount of exhaust gas emission. Background Art

[0002] Coal coking is the most important product of coking. In most countries, more than 90% of coke is used for blast furnace ironmaking, followed by foundry and non-ferrous metal smelting industries, and a small amount is used to produce calcium carbide, carbon disulfide, elemental phosphorus, etc. In steel joint ventures, coke powder is also used as a sintering fuel. Coke can also be used as a raw material for preparing water gas to produce raw gas for synthesis. Coal coking is a resource-consuming industry. Traditional coal coking is an industry with high energy consumption, high emissions and high pollution.

[0003] The existing desulfurization and denitrification purification towers are not sufficient and thorough in desulfurizing and denitrifying waste gas, and cannot be detected. Direct discharge easily causes air pollution to the environment, and the exhaust efficiency is low. Therefore, those skilled in the art provide a desulfurization and denitrification purification tower that increases the total amount of waste gas emissions to solve the problems raised in the above background technology. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions, which has the advantages of good desulfurization and denitrification effects and detectability, and solves the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desulfurization and denitration purification tower for increasing the total amount of exhaust gas emissions, comprising a tower body, a dust treatment mechanism is arranged on the left side of the tower body, a desulfurization and denitration treatment mechanism is arranged inside the tower body, a discharge pipe is fixedly connected to the top of the tower body, and a gas detection mechanism is arranged on the right side of the tower body;

[0008] The gas detection mechanism includes: the inner top of the tower body is fixedly connected to the toxic gas sensor, a controller is fixedly arranged on the left side of the top of the tower body, a first solenoid valve is arranged on the discharge pipe, a circulation pipe is connected through one side of the discharge pipe, one end of the circulation pipe is connected to the inner bottom of the tower body, and a second solenoid valve is arranged on the circulation pipe.

[0009] As a preferred technical solution of the present utility model, the toxic gas sensor, the controller, the first solenoid valve and the second solenoid valve are electrically connected.

[0010] As a preferred technical solution of the utility model, the dust handling mechanism includes: a dust handling box is arranged on the left side of the tower body, an air intake pipe is fixedly connected to the top of the dust handling box, a filter is fixedly arranged inside the dust handling box, an air supply pipe is fixedly connected to the right side of the dust handling box, one end of the air supply pipe is connected to the interior of the tower body, and a control valve is arranged on the air supply pipe.

[0011] As the preferred technical scheme of the utility model, the desulfurization and denitrification treatment mechanism includes: two circular plates are fixedly connected inside the tower body, a fan is fixedly installed on the top of the upper circular plate, through holes are opened on the two circular plates and on one side away from the center, and the two through holes are staggered, the middle parts of the bottom ends of the two circular plates are rotatably connected to shaft columns through bearings, worm gears are fixedly connected to the upper outsides of the two shaft columns, and a group of stirring rods are fixedly connected to the lower outer surfaces of the two shaft columns, an L-shaped plate is fixedly connected to the rear end of the tower body, and the right part of the L-shaped plate is rotatably connected to two wheels through bearings, and the two wheels are connected to each other through belts to form a transmission connection, and the front ends of the two wheels are fixedly connected to worms, and the two worms extend to the interior of the tower body, and a motor is fixedly installed at the rear end of the L-shaped plate, and the output end of the motor is fixedly connected to the upper wheel.

[0012] As the preferred technical solution of the utility model, the desulfurization and denitrification treatment mechanism also includes: annular spray plates are fixedly connected to the outer sides of the bottom ends of the two circular plates, a group of nozzles are fixedly connected to the bottom ends of the two circular spray plates, a liquid medicine tank is arranged in front of the tower body, a water pump is fixedly connected to the top of the liquid medicine tank, the extraction end of the water pump is connected with the annular spray plates through a first pipe body, the delivery end of the water pump is connected with the second pipe body, one end of the second pipe body is fixedly connected with a nozzle, and the rear end of the nozzle is respectively connected to the two annular spray plates through two connecting pipes.

[0013] As a preferred technical solution of the utility model, the two worms are meshingly connected with the two worm wheels.

[0014] As a preferred technical solution of the present utility model, a group of the nozzles are arranged at equal distances.

[0015] Compared with the prior art, the utility model provides a desulfurization and denitrification purification tower that increases the total amount of exhaust gas emissions, and has the following beneficial effects:

[0016] 1. The utility model is provided with a dust treatment mechanism, and the combustion gas enters the dust treatment box through the air intake pipe, and the filter can filter the residual particles in the exhaust gas.

[0017] 2. The utility model sets up a desulfurization and denitrification treatment mechanism. After the preliminarily treated exhaust gas is transported to the tower body, the desulfurization and denitrification liquid is extracted and sprayed through the cooperation among the annular spray plate, the nozzle, the liquid medicine tank, the water pump, the first pipe body, the second pipe body, the spray pipe and the connecting pipe. The exhaust gas is dispersed and disturbed through the cooperation among the shaft column, the worm gear, the stirring rod, the L-shaped plate, the wheel, the belt, the worm and the motor, so that the transported exhaust gas can fully contact with the sprayed desulfurization and denitrification liquid. The two staggered through holes can prolong the residence time of the exhaust gas in the tower body and make the contact more thorough. The device can desulfurize and denitrify the exhaust gas better and is convenient for the exhaust gas to be discharged better.

[0018] 3. The utility model sets up a gas detection mechanism, and the treated gas is detected by a toxic gas sensor. When toxic gas is still present in the detected gas, the gas can be desulfurized and denitrated again. When the detected gas is non-toxic, it can be discharged. It is easy to use and has good effect, so as to avoid air pollution.

[0019] 4. The utility model increases the emission of waste gas and makes it discharged quickly when exhausting the waste gas by setting a fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0021] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0022] Figure 3 It is a schematic diagram of the internal section of the tower body of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the connection between the annular spray plate and the spray head of the utility model.

[0024] Wherein: 1. tower body; 2. dust treatment mechanism; 201. dust treatment box; 202. air inlet pipe; 203. filter screen; 204. air transmission pipe; 205. control valve; 3. desulfurization and denitrification treatment mechanism; 301. circular plate; 302. through hole; 303. shaft column; 304. worm gear; 305. stirring rod; 306. L-shaped plate; 307. rotating wheel; 308. belt; 309. worm; 310. motor; 311. circular spray plate; 312. nozzle; 313. liquid medicine tank; 314. water pump; 315. first pipe body; 316. second pipe body; 317. nozzle; 318. connecting pipe; 4. discharge pipe; 5. gas detection mechanism; 501. toxic gas sensor; 502. controller; 503. first solenoid valve; 504. circulation pipe; 505. second solenoid valve; 6. fan. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-Figure 4 A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions includes a tower body 1, a dust treatment mechanism 2 is arranged on the left side of the tower body 1, a desulfurization and denitrification treatment mechanism 3 is arranged inside the tower body 1, an emission pipe 4 is fixedly connected to the top of the tower body 1, and a gas detection mechanism 5 is arranged on the right side of the tower body 1.

[0029] The gas detection mechanism 5 includes: the inner top of the tower body 1 is fixedly connected to the toxic gas sensor 501, the controller 502 is fixedly arranged on the left side of the top of the tower body 1, the first solenoid valve 503 is arranged on the discharge pipe 4, and a circulation pipe 504 is connected to one side of the discharge pipe 4, one end of the circulation pipe 504 is connected to the inner bottom of the tower body 1, and the circulation pipe 504 is arranged with a second solenoid valve 505.

[0030] The toxic gas sensor 501 , the controller 502 , the first solenoid valve 503 and the second solenoid valve 505 are electrically connected.

[0031] Furthermore, the treated gas is detected by a toxic gas sensor 501. When toxic gas is still present in the detected gas, the controller 502 controls the second solenoid valve 505 on the circulation pipe 504. At this time, the gas is transported to the tower body 1 again through the circulation pipe 504 to be desulfurized and denitrified again. When the detected gas is non-toxic, the controller 502 controls the first solenoid valve 503 on the discharge pipe 4 to discharge it.

[0032] The dust handling mechanism 2 includes: a dust handling box 201 is arranged on the left side of the tower body 1, an air inlet pipe 202 is fixedly connected to the top of the dust handling box 201, a filter screen 203 is fixedly arranged inside the dust handling box 201, and an air supply pipe 204 is fixedly connected to the right side of the dust handling box 201, one end of the air supply pipe 204 is connected to the interior of the tower body 1, and a control valve 205 is arranged on the air supply pipe 204.

[0033] Furthermore, the combustion gas enters the dust treatment box 201 through the air inlet pipe 202, and the filter 203 is used to filter the residual particles in the exhaust gas. Then, the control valve 205 on the air supply pipe 204 is opened to transport the preliminarily treated exhaust gas to the tower body 1.

[0034] The desulfurization and denitrification treatment mechanism 3 includes: two circular plates 301 are fixedly connected inside the tower body 1, and a fan 6 is fixedly installed on the top of the upper circular plate 301. A through hole 302 is opened on one side of the two circular plates 301 away from the center, and the two through holes 302 are staggered. The middle parts of the bottom ends of the two circular plates 301 are rotatably connected to a shaft column 303 through a bearing, and the upper parts of the two shaft columns 303 are fixedly connected to a worm gear 304, and the lower parts of the outer surfaces of the two shaft columns 303 are fixedly connected to the A group of stirring rods 305 are connected, and an L-shaped plate 306 is fixedly connected to the rear end of the tower body 1. The right part of the L-shaped plate 306 is rotatably connected to two wheels 307 through a bearing. The two wheels 307 are connected by a belt 308 to form a transmission connection. The front ends of the two wheels 307 are fixedly connected to worm gears 309, and the two worm gears 309 extend to the interior of the tower body 1. A motor 310 is fixedly installed at the rear end of the L-shaped plate 306, and the output end of the motor 310 is fixedly connected to the upper wheel 307.

[0035] The desulfurization and denitrification treatment mechanism 3 also includes: an annular spray plate 311 is fixedly connected to the outer side of the bottom end of the two circular plates 301, and a group of nozzles 312 is fixedly connected to the bottom end of the two annular spray plates 311. A liquid medicine tank 313 is arranged in front of the tower body 1, and a water pump 314 is fixedly connected to the top of the liquid medicine tank 313. The extraction end of the water pump 314 is connected to the annular spray plate 311 through the first pipe body 315, and the delivery end of the water pump 314 is connected through the second pipe body 316. One end of the second pipe body 316 is fixedly connected to a nozzle 317, and the rear end of the nozzle 317 is respectively connected to the two annular spray plates 311 through two connecting pipes 318.

[0036] The two worms 309 are meshingly connected with the two worm wheels 304 .

[0037] A group of nozzles 312 are arranged at equal distances.

[0038] Furthermore, after the preliminarily treated exhaust gas is transported to the tower body 1, the water pump 314 is started to extract the desulfurization and denitrification liquid in the liquid medicine tank 313, and transport it to the nozzle 317, and then transport it to the two annular spray plates 311, so that it is sprayed out through two groups of nozzles 312, and the motor 310 is started to drive the upper wheel 307 to rotate, which is driven by the belt 308 to rotate the lower wheel 307, and then the two worms 309 drive the two worm wheels 304 to rotate, so that the two shafts 303 rotate, until the two groups of stirring rods 305 rotate, so that the transported exhaust gas can fully contact with the sprayed desulfurization and denitrification liquid, and the two through holes 302 are staggered, which can extend the time that the exhaust gas stays in the tower body 1, make its contact more thorough, and achieve good desulfurization and denitrification effects, which is convenient for better exhaust gas discharge.

[0039] Working principle: When in use, the burning gas enters the dust treatment box 201 through the air intake pipe 202, and the filter 203 is used to filter the residual particles in the exhaust gas. Then, the control valve 205 on the air delivery pipe 204 is opened to transport the preliminarily treated exhaust gas to the tower body 1, and the water pump 314 is started to extract the desulfurization and denitrification liquid in the liquid tank 313, and transport it to the nozzle 317, and then transport it to the two annular spray plates 311, so that it is sprayed through two groups of nozzles 312, and the motor 310 is started to drive the upper wheel 307 to rotate, which is driven by the belt 308 to rotate the lower wheel 307, and then the two worms 309 drive the two worm wheels 304 to rotate, so that the two shafts 303 rotate until the two groups of stirring The stirring rod 305 rotates to make the transported exhaust gas fully contact with the sprayed desulfurization and denitrification liquid. The two through holes 302 are staggered to extend the residence time of the exhaust gas in the tower body 1, making the contact more thorough, achieving good desulfurization and denitrification effects and facilitating better exhaust gas discharge. The treated gas is detected by a toxic gas sensor 501. When toxic gas is still detected in the gas, the controller 502 controls the second solenoid valve 505 on the circulation pipe 504. At this time, the gas is transported to the tower body 1 again through the circulation pipe 504 to be desulfurized and denitrified again. When the detected gas is non-toxic, the controller 502 controls the first solenoid valve 503 on the discharge pipe 4 to discharge it, and cooperates with the use of the fan 6 to increase the exhaust gas discharge during exhaust, so that it can be discharged quickly.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A desulfurization and denitrification purification tower for increasing the total amount of waste gas emissions, comprising a tower body (1), characterized in that: A dust treatment mechanism (2) is arranged on the left side of the tower body (1), a desulfurization and denitrification treatment mechanism (3) is arranged inside the tower body (1), a discharge pipe (4) is fixedly connected to the top of the tower body (1), and a gas detection mechanism (5) is arranged on the right side of the tower body (1); The gas detection mechanism (5) comprises: the top of the interior of the tower body (1) is fixedly connected to a toxic gas sensor (501); a controller (502) is fixedly arranged on the left side of the top of the tower body (1); a first solenoid valve (503) is arranged on the discharge pipe (4); a circulation pipe (504) is connected through one side of the discharge pipe (4); one end of the circulation pipe (504) is connected to the lower part of the interior of the tower body (1); and a second solenoid valve (505) is arranged on the circulation pipe (504).

2. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 1, characterized in that: The toxic gas sensor (501), the controller (502), the first solenoid valve (503) and the second solenoid valve (505) are electrically connected.

3. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 2, characterized in that: The dust treatment mechanism (2) comprises: a dust treatment box (201) is arranged on the left side of the tower body (1), an air intake pipe (202) is fixedly connected to the top of the dust treatment box (201), a filter screen (203) is fixedly arranged inside the dust treatment box (201), an air supply pipe (204) is fixedly connected to the right side of the dust treatment box (201), one end of the air supply pipe (204) is connected to the inside of the tower body (1), and a control valve (205) is arranged on the air supply pipe (204).

4. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 1, characterized in that: The desulfurization and denitrification treatment mechanism (3) comprises: two circular plates (301) are fixedly connected inside the tower body (1), a fan (6) is fixedly installed on the top of the upper circular plate (301), through holes (302) are opened on one side away from the center of the two circular plates (301), and the two through holes (302) are staggered, the middle parts of the bottom ends of the two circular plates (301) are rotatably connected to shaft columns (303) through bearings, the upper parts of the outer parts of the two shaft columns (303) are fixedly connected to worm gears (304), and the lower parts of the outer surfaces of the two shaft columns (303) are fixedly connected to A group of stirring rods (305) are provided. The rear end of the tower body (1) is fixedly connected to an L-shaped plate (306). The right part of the L-shaped plate (306) is rotatably connected to two rotating wheels (307) via a bearing. The two rotating wheels (307) are connected in transmission via a belt (308). The front ends of the two rotating wheels (307) are fixedly connected to a worm (309). The two worms (309) extend into the interior of the tower body (1). The rear end of the L-shaped plate (306) is fixedly installed with a motor (310). The output end of the motor (310) is fixedly connected to the rotating wheel (307) above.

5. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 4, characterized in that: The desulfurization and denitrification treatment mechanism (3) further comprises: an annular spray plate (311) is fixedly connected to the outer sides of the bottom ends of the two circular plates (301); a group of spray heads (312) is fixedly connected to the bottom ends of the two annular spray plates (311); a liquid medicine tank (313) is arranged in front of the tower body (1); a water pump (314) is fixedly connected to the top of the liquid medicine tank (313); an extraction end of the water pump (314) is connected to the annular spray plate (311) through a first pipe body (315); a delivery end of the water pump (314) is connected to the annular spray plate (311) through a second pipe body (316); one end of the second pipe body (316) is fixedly connected to a spray pipe (317); a rear end of the spray pipe (317) is connected to the two annular spray plates (311) respectively through two connecting pipes (318).

6. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 5, characterized in that: The two worms (309) are meshingly connected with the two worm wheels (304).

7. A desulfurization and denitrification purification tower for increasing the total amount of exhaust gas emissions according to claim 5, characterized in that: A group of the nozzles (312) are arranged at equal distances.

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