Efficient desulfurization and dust removal device for waste gas

Abstract

The utility model discloses an efficient waste gas desulfurization and dust removal device which comprises a dust removal unit and a desulfurization unit, the dust removal unit comprises a water tank, a gas inlet pipe and a conveying pipe, the gas inlet pipe and the conveying pipe are fixedly communicated with the top of the water tank, one side of the water tank is fixedly communicated with a water inlet pipe, and the outer wall of the water inlet pipe is sleeved with a valve; the bottom end of the conveying pipe fixedly communicates with the bottom of the side wall of the desulfurization barrel, the side wall of the desulfurization barrel is fixedly connected with a T-shaped pipe penetrating through the desulfurization barrel, and one end of the T-shaped pipe fixedly communicates with an annular pipe. According to the utility model, the waste gas can be dedusted through the water tank, and the exhaust hood is pushed to rise to different heights when the waste gases with different displacements are discharged, so that the supply quantity of ammonia water can be automatically controlled by utilizing the piston rod, and the atomizing nozzle sprays different amounts of ammonia water to the waste gases with different displacements for desulfurization.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal device technical field especially relates to a waste gas efficient desulfurization dust removal device. BACKGROUND

[0002] Waste gas desulfurization is mainly to deal with the sulfur dioxide produced in the process of burning sulfur-containing fuel (such as coal, oil, etc.), when these contain a large amount of waste gas is discharged into the atmosphere, it will react with oxygen and water in the air, form sulfuric acid and sulfurous acid, with the rainfall to the ground, it forms acid rain, acid rain can cause serious damage to the soil, water, forest and building, etc., in order to protect the environment and human health, countries have developed strict atmospheric pollutant emission standards, limit the content in waste gas, enterprises must be desulfurized waste gas, so that it reaches the specified emission standard.

[0003] The sulfur dioxide used in waste gas can be desulfurized by ammonia water, ammonia desulfurization is a kind of efficient, low energy consumption wet desulfurization method, the desulfurization process is gas-liquid phase reaction, the reaction rate is fast, can keep the desulfurization efficiency 95% to 99%, the desulfurization device usually sets ammonia water nozzle in waste gas reaction bucket, and sprays ammonia water on waste gas, however, the waste gas discharge capacity is different due to the different production capacity of coal, etc., different amount of waste gas will be discharged, the existing ammonia water spraying amount is controlled manually, the discharge capacity of waste gas is not discharged at regular intervals and quantitatively, so that workers are difficult to adjust the amount of ammonia water according to the waste gas discharge capacity at any time, therefore, a kind of waste gas efficient desulfurization dust removal device is proposed. SUMMARY

[0004] This part aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the prior art, the utility model is proposed.

[0006] Therefore, the utility model aims to provide a kind of waste gas efficient desulfurization dust removal device, it is suitable for solving the problem that the existing ammonia water spraying amount is controlled manually, the discharge capacity of waste gas is not discharged at regular intervals and quantitatively, so that workers are difficult to adjust the amount of ammonia water according to the waste gas discharge capacity at any time.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of waste gas efficient desulfurization dust removal device, comprising:

[0008] The dust removal unit comprises a water tank, an air inlet pipe and a conveying pipe fixedly communicated with the top of the water tank respectively, a water inlet pipe fixedly communicated with one side of the water tank, and a valve arranged on the outer wall of the water inlet pipe;

[0009] The desulfurization unit comprises a desulfurization barrel arranged on one side of the water tank, the bottom end of the conveying pipe is fixedly communicated with the bottom of the side wall of the desulfurization barrel, the side wall of the desulfurization barrel is fixedly connected with a T-shaped pipe penetrating through the desulfurization barrel, one end of the T-shaped pipe is fixedly communicated with an annular pipe, the top of the pipe wall of the annular pipe is fixedly communicated with a plurality of atomizing nozzles, the bottom of the side wall of the desulfurization barrel is fixedly communicated with a blowdown pipe, the outer wall of the blowdown pipe is sleeved with a valve, the inner wall of the desulfurization barrel is slidably provided with an exhaust cover, the inner cavity of the upper end of the T-shaped pipe is slidably provided with a piston rod, the top of the piston rod is fixedly connected with the bottom of the exhaust cover, and the top of the desulfurization barrel is fixedly communicated with an exhaust cylinder.

[0010] As a preferred scheme of the waste gas efficient desulfurization and dust removal device, the bottom of one side of the water tank is fixedly communicated with a drain pipe, the outer wall of the drain pipe is sleeved with a valve, and the inner wall of the water tank is fixedly connected with a partition plate.

[0011] As a preferred scheme of the waste gas efficient desulfurization and dust removal device, the top of the water tank is threadedly connected with a threaded rod, the bottom end of the threaded rod penetrates through the top of the water tank and is rotatably connected with a filter plate, and the filter plate is slidably arranged on the inner wall of the water tank.

[0012] As a preferred scheme of the waste gas efficient desulfurization and dust removal device, the top of the pipe wall of the annular pipe is fixedly connected with a plurality of fixing rods, and the top of each fixing rod is rotatably connected with a fan blade.

[0013] As a preferred scheme of the waste gas efficient desulfurization and dust removal device, the inner wall of the desulfurization barrel is fixedly connected with a horizontal plate, and the top of the horizontal plate is fixedly connected with a spiral blade.

[0014] As a preferred scheme of the waste gas efficient desulfurization and dust removal device, the diameter of the spiral blade decreases from top to bottom, the inner cavity of the exhaust cylinder is slidably provided with an activated carbon box, and a plurality of through holes are formed in the top and bottom of the activated carbon box.

[0015] The waste gas can be dusted through the water tank, the atomizing nozzles can spray ammonia water to desulfurize sulfur dioxide in the waste gas, when the waste gas passes through the exhaust cover, waste gas of different discharges pushes the exhaust cover to rise to different heights, so that the supply amount of ammonia water can be controlled by the piston rod, and the ammonia water can be automatically sprayed on waste gas of different discharges, so that the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the premise that they do not deviate from the connotation of the present application. Among them:

[0017] Figure 1 The overall structure schematic diagram of the waste gas efficient desulfurization and dust removal device is provided for the present application.

[0018] Figure 2 The cross-sectional schematic diagram of the desulfurization barrel and the exhaust cylinder is provided for the present application.

[0019] Figure 3 The cross-sectional internal structure schematic diagram of the water tank is provided for the present application.

[0020] Figure 4 The T-shaped pipe and piston rod connecting structure schematic diagram is provided for the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] 100, dust removal unit; 101, water tank; 102, air inlet pipe; 103, conveying pipe; 104, water inlet pipe; 105, drain pipe; 106, partition plate; 107, threaded rod; 108, filter plate; 200, desulfurization unit; 201, desulfurization barrel; 202, T-shaped pipe; 203, annular pipe; 204, atomizing nozzle; 205, blowdown pipe; 206, exhaust hood; 207, piston rod; 208, exhaust cylinder; 209, fixed rod; 210, fan blade; 211, horizontal plate; 212, spiral blade; 213, activated carbon box. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from the description, and those skilled in the art can make similar generalizations without deviating from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to here means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0026] Thirdly, the utility model is described in detail in combination with the schematic diagram, in the detailed description of the utility model embodiment, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0027] Embodiment

[0028] Reference Figures 1-4 For an embodiment of the utility model, provide a kind of waste gas efficient desulfurization dust removal device, comprising: dust removal unit 100 and desulfurization unit 200;

[0029] Wherein, dust removal unit 100 includes water tank 101 and the air inlet pipe 102 and the conveying pipe 103 respectively fixedly connected in water tank 101 top, the side of water tank 101 is fixedly connected with water inlet pipe 104, the outer wall of water inlet pipe 104 is equipped with valve;

[0030] Desulfurization unit 200 includes the desulfurization barrel 201 being arranged at the side of water tank 101, the bottom end of conveying pipe 103 is fixedly connected at the bottom of the side wall of desulfurization barrel 201, the side wall of desulfurization barrel 201 is fixedly connected with T pipe 202 penetrating desulfurization barrel 201, one end of T pipe 202 is fixedly connected with annular pipe 203, the top of the pipe wall of annular pipe 203 is fixedly connected with multiple atomizing nozzles 204, the bottom of the side wall of desulfurization barrel 201 is fixedly connected with blowdown pipe 205, the outer wall of blowdown pipe 205 is equipped with valve, the inner wall of desulfurization barrel 201 is slidably provided with exhaust hood 206, the inner cavity of the upper end of T pipe 202 is slidably provided with piston rod 207, the top of piston rod 207 is fixedly connected at the bottom of exhaust hood 206, the top of desulfurization barrel 201 is fixedly connected with exhaust cylinder 208.

[0031] Water inlet pipe 104 is used to supplement clean water to the inside of water tank 101, the water surface of clean water and the top of the inner cavity of water tank 101 leave gap for air circulation, air inlet pipe 102 is connected with exhaust gas pump, when exhaust gas is discharged into the inner cavity of water tank 101 through air inlet pipe 102, exhaust gas will be contacted with clean water vertically, so that its dust settles in water and achieves dust removal effect, then exhaust gas enters the bottom of the inner cavity of desulfurization barrel 201 through conveying pipe 103, T pipe 202 is connected with water pump, to supply ammonia water in T pipe 202, piston rod 207 is used to control the supply amount of ammonia water in T pipe 202, the bottom of piston rod 207 and the bottom of the inner wall of T pipe 202 leave gap for ammonia water circulation, so that ammonia water can be supplied to the multiple atomizing nozzles 204 through annular pipe 203;

[0032] The atomized ammonia water is sprayed through the atomizing nozzle 204 and fully mixed with the exhaust gas to achieve the desulfurization effect. The exhaust hood 206 is conical and has a circular opening in the center for discharging the exhaust gas. The inner wall of the desulfurization barrel 201 has an annular groove for lifting the exhaust hood 206. When the exhaust gas flows upward, the exhaust hood 206 is pushed upward by the exhaust gas. Different exhaust gas volumes push the exhaust hood 206 to different heights. The exhaust hood 206 can simultaneously drive the piston rod 207 to rise and fall. The piston rod 207 is sealingly and slidingly connected to the T-shaped pipe 202. The T-shaped pipe 202 is inverted T-shaped. When the bottom end of the piston rod 207 rises from the horizontal end inner cavity of the T-shaped pipe 202 to the vertical end inner cavity of the T-shaped pipe 202, the amount of ammonia water flowing through the horizontal end of the T-shaped pipe 202 increases.

[0033] Therefore, when the exhaust gas volume increases, the ammonia water discharge volume can be automatically increased. When the exhaust gas volume is small, the exhaust hood 206 and the piston rod 207 are lowered synchronously to reduce the ammonia water supply. Therefore, the amount of ammonia water can be automatically adjusted according to the exhaust gas volume. The ammonia water accumulated in the desulfurization barrel 201 can be discharged through the drain pipe 205. The exhaust gas mixed with ammonia water is discharged through the exhaust cylinder 208 to achieve the desulfurization effect.

[0034] In addition, the bottom of one side of the water tank 101 is fixedly connected with a drain pipe 105. The outer wall of the drain pipe 105 is sleeved with a valve. The inner wall of the water tank 101 is fixedly connected with a partition plate 106. The top of the water tank 101 is threadedly connected with a threaded rod 107. The bottom end of the threaded rod 107 penetrates the top of the water tank 101 and is rotationally connected with a filter plate 108. The filter plate 108 is slidingly arranged on the inner wall of the water tank 101.

[0035] The drain pipe 105 is used to discharge the sewage in the water tank 101, so that the sewage mixed with dust in the water tank 101 can be discharged in time. The water level in the water tank 101 does not exceed the lowest point of the partition plate 106. The exhaust gas discharged by the air inlet pipe 102 can vertically downwardly impact the water surface through the partition plate 106, so as to improve the dust removal effect. Then, the exhaust gas passes through the bottom of the partition plate 106 and is below the filter plate 108. The exhaust gas passes through the filter plate 108 from bottom to top and enters the conveying pipe 103. The filter plate 108 can further intercept the dust in the exhaust gas. The filter plate 108 can be submerged in the water along the inner wall of the water tank 101 by rotating the threaded rod 107, so as to clean the dust attached to the bottom of the filter plate 108, thereby ensuring the filtering effect of the filter plate 108.

[0036] Further, the top of the wall of the annular pipe 203 is fixedly connected with a plurality of fixed rods 209, the top of each fixed rod 209 is rotatably connected with a fan blade 210, the inner wall of the desulfurization barrel 201 is fixedly connected with a horizontal plate 211, and the top of the horizontal plate 211 is fixedly connected with a helical blade 212.

[0037] Each fan blade 210 is close to the corresponding atomizing nozzle 204, when the exhaust gas flows upward, the exhaust gas blows the fan blade 210 to rotate, so that the fan blade 210 stirs the ammonia water sprayed by the atomizing nozzle 204, so as to promote the fully mixing of the atomized ammonia water and the exhaust gas, thereby improving the desulfurization effect of the exhaust gas, when the exhaust gas passes through the exhaust cover 206, the exhaust gas is blocked by the helical blade 212, so that the exhaust gas rises in a spiral rotating state along the helical blade 212, in the process of exhaust gas rotating, the fully mixing and reaction of ammonia water and exhaust gas can be further promoted, and the diameter of the top of the helical blade 212 is short, so that the exhaust gas can quickly separate from the top of the helical blade 212 and be discharged from the exhaust cylinder 208.

[0038] Further, the diameter of the helical blade 212 decreases from top to bottom, and the inner cavity of the exhaust cylinder 208 is slidably provided with an activated carbon box 213, and a plurality of through holes are formed in the top and bottom of the activated carbon box 213.

[0039] The inner wall of the exhaust cylinder 208 is in a T shape, the diameter of the activated carbon box 213 is greater than the inner diameter of the bottom end of the exhaust cylinder 208, so that the inner wall of the exhaust cylinder 208 can support the activated carbon box 213, the exhaust gas can pass through the through holes in the top and bottom of the activated carbon box 213, and activated carbon is placed in the activated carbon box 213, when the exhaust gas passes through the activated carbon box 213, the activated carbon can further desulfurize the sulfur dioxide in the exhaust gas, and the activated carbon can reduce the irritating odor in the exhaust gas, the spent activated carbon box 213 can be taken out through the top of the exhaust cylinder 208 and replaced.

[0040] In use, clean water is supplied to the inside of the water tank 101 through the water inlet pipe 104, the exhaust gas pump is connected to the air inlet pipe 102, and the exhaust gas is discharged into the water tank 101 through the air inlet pipe 102, the exhaust gas discharged by the air inlet pipe 102 can vertically impact the water surface through the partition plate 106, so that the dust settles in the water, the dust in the exhaust gas can be further intercepted through the filter plate 108, and the exhaust gas passing through the filter plate 108 enters the bottom of the inner cavity of the desulfurization barrel 201 through the conveying pipe 103, the T-shaped pipe 202 is connected with a water pump to supply ammonia water into the T-shaped pipe 202, the atomizing nozzle 204 sprays atomized ammonia water and fully mixes with the exhaust gas to achieve the desulfurization effect, and different displacement of the exhaust gas can push the exhaust cover 206 to rise to different heights.

[0041] The exhaust cover 206 can synchronously drive the piston rod 207 to lift and lower, so that the piston rod 207 can automatically control the ammonia water supplied by the T-shaped pipe 202 to the annular pipe 203, thereby realizing that the ammonia water consumption can be automatically adjusted according to the exhaust displacement. The fan blade 210 stirs the ammonia water sprayed by the atomizing nozzle 204 to promote the full mixing of the atomized ammonia water and the exhaust gas. When the exhaust gas passes through the exhaust cover 206, the exhaust gas is blocked by the spiral blade 212, so that the exhaust gas rises along the spiral blade 212 in a spiral rotating state, so as to further promote the full mixing and reaction of the ammonia water and the exhaust gas. When the exhaust gas enters the exhaust cylinder 208, the activated carbon box 213 can further desulfurize the sulfur dioxide in the exhaust gas and reduce the irritating odor in the exhaust gas.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the present application. It should be included in the scope of the claims of the present application.

Claims

1. A high-efficiency waste gas desulfurization and dust removal device, characterized in that, The utility model relates to a dust removal and desulfurization device, which comprises the following components: A dust removal unit (100) comprises a water tank (101), an air inlet pipe (102) and a conveying pipe (103) fixedly communicated at the top of the water tank (101) respectively, and a water inlet pipe (104) fixedly communicated with one side of the water tank (101), wherein the outer wall of the water inlet pipe (104) is sleeved with a valve. A desulfurization unit (200) comprises a desulfurization barrel (201) arranged on one side of the water tank (101), the bottom end of the conveying pipe (103) is fixedly communicated with the bottom of the side wall of the desulfurization barrel (201), the side wall of the desulfurization barrel (201) is fixedly connected with a T-shaped pipe (202) penetrating through the desulfurization barrel (201), one end of the T-shaped pipe (202) is fixedly communicated with an annular pipe (203), the top of the pipe wall of the annular pipe (203) is fixedly communicated with a plurality of atomizing nozzles (204), the bottom of the side wall of the desulfurization barrel (201) is fixedly communicated with a blowdown pipe (205), the outer wall of the blowdown pipe (205) is sleeved with a valve, the inner wall of the desulfurization barrel (201) is slidably provided with an exhaust cover (206), the inner cavity of the upper end of the T-shaped pipe (202) is slidably provided with a piston rod (207), the top of the piston rod (207) is fixedly connected with the bottom of the exhaust cover (206), and the top of the desulfurization barrel (201) is fixedly communicated with an exhaust cylinder (208).

2. The device according to claim 1, characterized in that: The bottom of one side of the water tank (101) is fixedly communicated with a drain pipe (105), the outer wall of the drain pipe (105) is sleeved with a valve, and the inner wall of the water tank (101) is fixedly connected with a partition plate (106).

3. The device according to claim 2, characterized in that: The top of the water tank (101) is threadedly connected with a threaded rod (107), the bottom end of the threaded rod (107) penetrates through the top of the water tank (101) and is rotationally connected with a filter plate (108), and the filter plate (108) is slidably arranged on the inner wall of the water tank (101).

4. The device according to claim 1, characterized in that: The top of the pipe wall of the annular pipe (203) is fixedly connected with a plurality of fixed rods (209), and the top of each fixed rod (209) is rotationally connected with a fan blade (210).

5. The device according to claim 1, characterized in that: The inner wall of the desulfurization barrel (201) is fixedly connected with a horizontal plate (211), and the top of the horizontal plate (211) is fixedly connected with a spiral blade (212).

6. The device according to claim 5, characterized in that: The diameter of the spiral blade (212) decreases from top to bottom, the inner cavity of the exhaust cylinder (208) is slidably provided with an activated carbon box (213), and a plurality of through holes are formed in the top and bottom of the activated carbon box (213).

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