Flue gas emission multi-pollutant collaborative purification treatment system

Abstract

The utility model discloses a flue gas emission multi-pollutant collaborative purification treatment system which comprises a purification treatment tank, a desulfurization and denitrification device is rotatably mounted in the purification treatment tank, and a filter unit is mounted at the upper part in the purification treatment tank. The desulfurization and denitrification device is mounted, the induced draft fan is mounted in the gas outlet pipe, flue gas in the tank body can be pumped out, in addition, the storage round box rotates, so that an ammonia water solution is sprayed out through rotation when the flue gas is introduced, the flue gas can be uniformly sprayed, and the flue gas desulfurization and degreasing effects can be further improved; in addition, an L-shaped scraping plate rotates while a hollow pipe rotates, a filter screen and other pollutants attached to the inner wall of the tank body can be scraped off, impurities can be cleaned out through a cleaning door, desulfurized and degreased flue gas can be filtered by installing the filter screen, other pollutants in the flue gas are filtered out, and the service life of the flue gas is prolonged. In addition, due to the fact that the arranged activated carbon plate is of a pore structure, harmful substances in smoke can be adsorbed.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification and treatment, in particular to a flue gas emission multi-pollutant coordinated purification and treatment system. Background Art

[0002] Harmful flue gas is generated during the chemical production process. The flue gas contains a lot of nitrogen oxides, sulfur oxides and other pollutants. The factory needs to purify the pollutants in the flue gas.

[0003] Since the flue gas contains a lot of nitrogen oxides and sulfur oxides, the factory needs to install desulfurization and denitrification equipment to desulfurize and denitrify the flue gas. Generally, the treatment is carried out by spraying. However, the spray structure in some desulfurization and denitrification equipment is in a static state, and the spraying effect is poor, which reduces the purification effect of the flue gas. Utility Model Content

[0004] The purpose of the utility model is to provide a flue gas emission multi-pollutant coordinated purification treatment system to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model provides the following technical solutions: a flue gas emission multi-pollutant coordinated purification treatment system, comprising a purification treatment tank, a desulfurization and denitrification device is rotatably installed inside the purification treatment tank, and a filter unit is installed above the inside of the purification treatment tank.

[0006] The desulfurization and denitrification device includes a spray assembly, one side of which is arranged outside the purification tank, and the other side is arranged inside the purification tank. An L-shaped scraper is fixedly connected to the spray assembly, and the L-shaped scraper is located inside the purification tank.

[0007] The purification treatment tank comprises a tank body, an L-shaped sewage pipe is fixedly connected to the through hole at the bottom side of the tank body, a valve is arranged on the L-shaped sewage pipe, and a cleaning door is embedded in the outer wall of the tank body.

[0008] The spray assembly comprises a box body, which is arranged outside the tank body. A material extraction pump is installed on the box body, one end of the material extraction pump extends into the box body, and the other end of the material extraction pump is fixedly connected to a material delivery hose.

[0009] The top side of the tank body is rotatably connected with a hollow tube and extends to the bottom of the tank body. The outer wall of the upper end of the hollow tube is fixedly connected with a supporting circular plate. The other end of the feeding hose is installed at the inlet of the upper end of the hollow tube through a bearing. The bottom side of the hollow tube is fixedly connected with a material storage round box. The outer wall of the material storage round box is in contact with the inner wall of the tank body. A driving motor is installed on the material storage round box. The output end of the driving motor is fixedly connected with a driving gear. One side of the driving gear is meshed with a driven gear. The driven gear is installed on the outer wall below the hollow tube. Nozzles are provided at the outlet of the bottom side of the material storage round box.

[0010] As a further preferred embodiment of the present technical solution, the filtration unit includes a filter screen, the filter screen is arranged in the upper groove inside the tank body, an activated carbon plate is installed in the upper groove inside the tank body and above the filter screen, and the cleaning door is installed between the filter screen and the storage round box.

[0011] As a further preferred embodiment of the present technical solution, the L-shaped scraper is fixedly connected to the hollow tube, and the outer wall of the L-shaped scraper is in contact with both the filter screen and the inner wall of the tank body.

[0012] As a further preferred embodiment of the present technical solution, an air inlet pipe is fixedly connected to the through hole at the bottom of the tank body, a V-shaped pipe is fixedly connected between the two through holes on the outer wall of the tank body, two ends of the V-shaped pipe are respectively located on the upper and lower sides of the material storage round box, an air outlet pipe is fixedly connected to the through hole at the top of the tank body, and an induced draft fan is installed in the air outlet pipe.

[0013] The utility model provides a flue gas emission multi-pollutant coordinated purification treatment system, which has the following beneficial effects:

[0014] (1) The utility model installs a desulfurization and denitrification device and an induced draft fan in the exhaust pipe to extract the flue gas from the tank body. The driven gear, the driving gear, the drive motor and the hollow tube are arranged to rotate the storage box, and then the ammonia solution is sprayed out by the rotation when the flue gas is introduced. The flue gas can be sprayed evenly, thereby improving the effect of flue gas desulfurization and degreasing. In addition, the L-shaped scraper rotates when the hollow tube rotates, which can scrape off the filter screen and other pollutants attached to the inner wall of the tank body, and clean out the impurities through the cleaning door.

[0015] (2) The utility model can filter the desulfurized and degreased flue gas by installing a filter net, and filter out other pollutants in the flue gas. In addition, the activated carbon plate arranged has a porous structure and can absorb harmful substances in the flue gas, including gases such as sulfur dioxide, thereby further achieving the desulfurization effect of the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model flue gas emission multi-pollutant coordinated purification treatment system;

[0017] Figure 2 This utility model is Figure 1 A sectional view;

[0018] Figure 3 This utility model is Figure 2 A structural schematic diagram of the spray component;

[0019] Figure 4 This utility model is Figure 2 An enlarged view of FIG. A;

[0020] In the figure: 1, purification treatment tank; 2, desulfurization and denitration device; 3, filtration unit; 11, tank body; 12, cleaning door; 13, L-shaped sewage pipe; a1, intake pipe; a2, U-shaped pipe; a3, outlet pipe; a4, induced draft fan; 21, spray component; 22, L-shaped scraper; b1, box body; b2, feeding pump; b3, feeding hose; c1, hollow pipe; c2, supporting circular plate; c3, driven gear; c4, driving gear; c5, driving motor; c6, storage circular box; c7, nozzle; 31, filter screen; 32, activated carbon plate. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0022] The present utility model provides a technical solution: As Figure 1 and Figure 4 shown, in this embodiment, a multi-pollutant collaborative purification treatment system for flue gas emissions includes a purification treatment tank 1, a desulfurization and denitration device 2 is rotatably installed inside the purification treatment tank 1, a filtration unit 3 is installed above the inside of the purification treatment tank 1, the purification treatment tank 1 includes a tank body 11, an L-shaped sewage pipe 13 is fixedly connected to the through hole at the bottom side of the tank body 11, a valve is provided on the L-shaped sewage pipe 13, a cleaning door 12 is embedded in the outer wall of the tank body 11, an intake pipe a1 is fixedly connected to the through hole below the tank body 11, a U-shaped pipe a2 is fixedly connected between two through holes on the outer wall of the tank body 11, both ends of the U-shaped pipe a2 are respectively located on the upper and lower sides of the storage circular box c6, an outlet pipe a3 is fixedly connected to the through hole above the tank body 11, and an induced draft fan a4 is installed in the outlet pipe a3. By installing the induced draft fan a4 in the outlet pipe a3, the flue gas in the tank body 11 can be extracted.

[0023] As Figure 2 and Figure 3 ​As shown, the desulfurization and denitrification device 2 includes a spray assembly 21, one side of the spray assembly 21 is arranged outside the purification treatment tank 1, and the other side is arranged inside the purification treatment tank 1. The spray assembly 21 is fixedly connected with an L-shaped scraper 22, and the L-shaped scraper 22 is located inside the purification treatment tank 1. The spray assembly 21 includes a box body b1, which is arranged outside the tank body 11. A material extraction pump b2 is installed on the box body b1, and one end of the material extraction pump b2 extends to the inside of the box body b1. The other end of the material extraction pump b2 is fixedly connected to a material delivery hose b3. The top side of the tank body 11 is rotatably connected with a hollow tube c1, and extends to the bottom of the tank body 11. The outer wall of the upper end of the hollow tube c1 is fixedly connected with a supporting circular plate c2, and the other end of the material delivery hose b3 is installed in the air through a bearing. At the inlet of the upper end of the core tube c1, a storage round box c6 is fixedly connected to the bottom side of the hollow tube c1, the outer wall of the storage round box c6 is in contact with the inner wall of the tank body 11, and a driving motor c5 is installed on the storage round box c6. The output end of the driving motor c5 is fixedly connected to a driving gear c4, and one side of the driving gear c4 is meshed with a driven gear c3, and the driven gear c3 is installed on the outer wall below the hollow tube c1. A nozzle c7 is arranged at the outlet of the bottom side of the storage round box c6. The arranged driven gear c3, driving gear c4, driving motor c5 and hollow tube c1 make the storage round box c6 rotate, and then when the flue gas is introduced, the ammonia solution is sprayed out through rotation, and the flue gas can be sprayed evenly, thereby improving the effect of flue gas desulfurization and degreasing.

[0024] like Figure 2 As shown, the filter unit 3 includes a filter screen 31, which is arranged in the upper groove inside the tank body 11, and an activated carbon plate 32 is installed in the upper groove inside the tank body 11 and above the filter screen 31. The filter screen 31 can be installed to filter the desulfurized and degreased flue gas and filter out other pollutants in the flue gas. The activated carbon plate 32 arranged in addition can absorb harmful substances in the flue gas, including gases such as sulfur dioxide, due to its porous structure, to further achieve the desulfurization effect of the flue gas. The cleaning door 12 is installed at a position between the filter screen 31 and the storage round box c6, and the L-shaped scraper 22 is fixedly connected to the hollow tube c1. The outer wall of the L-shaped scraper 22 is in contact with the filter screen 31 and the inner wall of the tank body 11. When the hollow tube c1 rotates, the L-shaped scraper 22 rotates, so that the filter screen 31 and other pollutants attached to the inner wall of the tank body 11 can be scraped off, and the impurities can be cleaned out through the cleaning door 12.

[0025] The utility model provides a multi-pollutant collaborative purification treatment system for flue gas emissions, and the specific working principle is as follows: The flue gas is injected through the intake pipe a1, and the induced draft fan a4 is started to make the flue gas spread upward until it is extracted; The flue gas enters the tank body 11, and the box body b1 is started, so that the feed pump b2 extracts the ammonia water solution in the box body b1, enters the hollow pipe c1 through the feed hose b3, and enters the storage round box c6 until it is sprayed out through the nozzle c7. At the same time, the driving motor c5 is started to drive the driving gear c4 and the driven gear c3 to rotate, so that the hollow pipe c1 rotates, and then the storage round box c6 rotates, so that the flue gas and the ammonia water solution are evenly contacted; The flue gas enters above the tank body 11 through the U-shaped pipe a2, and is further filtered and adsorbed through the filter screen 31 and the activated carbon plate 32 until it is discharged from the outlet pipe a3. At the same time, when the hollow pipe c1 rotates, the L-shaped scraper 22 rotates, and then the attachment particles on the filter screen 31 and the inner wall of the tank body 11 are scraped off, and later, the cleaning door 12 is opened for cleaning; In addition, the waste water is discharged by opening the valve on the L-shaped drain pipe 13.

[0026] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A flue gas emission multi-pollutant coordinated purification treatment system, comprising a purification treatment tank (1), characterized in that: Inside the purification treatment tank (1), a desulfurization and denitrification device (2) is rotatably installed, and a filtering unit (3) is installed above the inside of the purification treatment tank (1); The desulfurization and denitrification device (2) includes a spraying component (21). One side of the spraying component (21) is arranged outside the purification treatment tank (1), and the other side is arranged inside the purification treatment tank (1). An L-shaped scraper (22) is fixedly connected to the spraying component (21), and the L-shaped scraper (22) is located inside the purification treatment tank (1); The purification treatment tank (1) includes a tank body (11). An L-shaped sewage discharge pipe (13) is fixedly connected to the through hole at the bottom side of the tank body (11). A valve is arranged on the L-shaped sewage discharge pipe (13), and a cleaning door (12) is embedded in the outer wall of the tank body (11); The spraying component (21) includes a box body (b1). The box body (b1) is arranged outside the tank body (11). A feeding pump (b2) is installed on the box body (b1). One end of the feeding pump (b2) extends into the box body (b1), and the other end of the feeding pump (b2) is fixedly connected to a feeding hose (b3); A hollow pipe (c1) is rotatably connected to the top side of the tank body (11) and extends below the tank body (11). A support circular plate (c2) is fixedly connected to the outer wall of the upper end of the hollow pipe (c1). The other end of the feeding hose (b3) is installed at the inlet of the upper end of the hollow pipe (c1) through a bearing. A storage material circular box (c6) is fixedly connected to the bottom side of the hollow pipe (c1). The outer wall of the storage material circular box (c6) contacts the inner wall of the tank body (11). A driving motor (c5) is installed on the storage material circular box (c6). The output end of the driving motor (c5) is fixedly connected to a driving gear (c4). One side teeth of the driving gear (c4) are meshed with a driven gear (c3). The driven gear (c3) is installed on the outer wall below the hollow pipe (c1). Nozzles (c7) are arranged at the bottom side outlets of the storage material circular box (c6).

2. A flue gas emission multi-pollutant coordinated purification treatment system according to claim 1, characterized in that: The filtering unit (3) includes a filter net (31). The filter net (31) is arranged in the upper groove inside the tank body (11). An activated carbon plate (32) is installed in the upper groove inside the tank body (11) and above the filter net (31). The cleaning door (12) is installed at the position between the filter net (31) and the storage material circular box (c6).

3. The flue gas emission multi-pollutant coordinated purification treatment system according to claim 1 is characterized by: The L-shaped scraper (22) is fixedly connected to the hollow pipe (c1), and the outer wall of the L-shaped scraper (22) contacts both the filter net (31) and the inner wall of the tank body (11).

4. The flue gas emission multi-pollutant coordinated purification treatment system according to claim 1, characterized in that: An air inlet pipe (a1) is fixedly connected to the through hole below the tank body (11). A U-shaped pipe (a2) is fixedly connected between two through holes on the outer wall of the tank body (11). The two ends of the U-shaped pipe (a2) are respectively located on the upper and lower sides of the storage material circular box (c6). An air outlet pipe (a3) is fixedly connected to the through hole above the tank body (11). An induced draft fan (a4) is installed in the air outlet pipe (a3).

Images