Desulfurization, denitrification and dust removal purification tower

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a desulfurization, denitrification and dust removal purification tower which can filter and clean dust in waste gas, ensure the contact between the waste gas and desulfurization liquid and denitrification liquid and improve the purification effect. Comprising a purification tower body, an upper sealing head, a circulating pipe, a spraying disc, a partition plate, an air inlet assembly, a communicating assembly, a stirring assembly and a pollution discharge assembly, the upper sealing head is connected to the top end of the purification tower body, an air outlet pipe is installed on the upper sealing head, and the partition plate is fixedly installed in the middle of the inner wall of the purification tower body and divides the interior of the purification tower body into a cleaning cavity and an adsorption cavity; cleaning precipitation liquid is arranged in the cleaning cavity, desulfurization liquid and denitration liquid are arranged in the adsorption cavity, the air inlet assembly is installed on the side wall of the purification tower body, the input end of the air inlet assembly extends into the cleaning cavity, the circulating pipe is fixedly installed on the right wall of the lower portion of the purification tower body, and the output end of the circulating pipe extends into the upper portion of the cleaning cavity and is provided with a spraying disc. The input end of the circulating pipe communicates with the bottom of the cleaning cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a desulfurization, denitration and dust removal purification tower. Background Art

[0002] The industrial production process will produce harmful gases such as sulfur dioxide, nitrogen dioxide, and nitrogen monoxide, as well as fine solid impurities such as fly ash with light specific gravity and small particles. Directly discharged into the atmosphere will cause permanent damage to the human respiratory tract and lungs. In the process of desulfurization and denitrification, the exhaust gas will react with the desulfurization liquid and the denitrification liquid, thereby achieving the purpose of desulfurization and denitrification of the exhaust gas. A desulfurization and denitrification dust purification tower proposed in prior art publication number CN209809926U includes a tower body and a water pump. A water pump is fixedly installed on the right side of the tower body. A liquid storage layer is provided at the bottom opening of the inner bottom of the tower body. A bottom plate is fixedly installed at the bottom end of the liquid storage layer. A separation net is fixedly installed on the outer side of the bottom plate. A rotating nozzle is fixedly installed on the top of the liquid storage layer. An air inlet pipe is fixedly installed in the middle of the tower body. A desulfurization net is embedded in the air inlet pipe. A dust removal net is fixedly installed on the upper part of the inner part of the tower body. However, there is a certain amount of dust in the exhaust gas. Direct contact of the exhaust gas with the desulfurization liquid and the denitrification liquid will pollute the desulfurization liquid and the denitrification liquid, affecting the effect of the desulfurization liquid and the denitrification liquid on exhaust gas purification. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a desulfurization, denitrification and dust removal purification tower which can filter and clean dust in exhaust gas, ensure the contact between exhaust gas and desulfurization liquid and denitrification liquid, and improve the purification effect.

[0004] The utility model discloses a desulfurization, denitration and dust removal purification tower, comprising a purification tower body, an upper end cap, a circulation pipe, a spraying disc, a partition, an air intake component, a connecting component, a stirring component and a sewage discharge component. The upper end cap is connected to the top of the purification tower body, an air outlet pipe is installed on the upper end cap, the partition is fixedly installed on the middle of the inner wall of the purification tower body, and the purification tower body is divided into a cleaning chamber and an adsorption chamber. A cleaning precipitate liquid is arranged in the cleaning chamber, and a desulfurization liquid and a denitration liquid are arranged in the adsorption chamber. The air intake component is installed on the side wall of the purification tower body, and the input end of the air intake component extends into the cleaning chamber. The circulation pipe is fixedly installed on the lower right wall of the purification tower body, and the output end of the circulation pipe extends into the upper part of the cleaning chamber and a spraying disc is arranged. The input end of the circulation pipe is connected with the bottom of the cleaning chamber, and a circulation pump is arranged on the circulation pipe. The connecting component The components are installed on the outer wall of the purification tower body to connect the adsorption chamber and the cleaning chamber, the stirring component is installed in the adsorption chamber, and the sewage discharge component is installed at the bottom of the purification tower body and is located in the cleaning chamber; the exhaust gas is evenly input into the cleaning chamber through the air intake component, and the dust in the exhaust gas will be cleaned by the cleaning liquid, thereby achieving the purpose of filtering the dust in the exhaust gas, and at the same time, the cleaning liquid is sprayed into the cleaning chamber through the spray plate to ensure the cleaning effect. The sewage discharge component can discharge the cleaning liquid to avoid sludge residue in the cleaning chamber. The exhaust gas after dust removal is input into the adsorption chamber through the connecting component and sprayed into the desulfurization liquid and the denitrification liquid. After the desulfurization liquid and the denitrification liquid come into contact with the exhaust gas, the purpose of desulfurization and denitrification of the exhaust gas is achieved. The stirring component rotates to ensure the contact between the exhaust gas and the desulfurization liquid and the denitrification liquid, thereby improving the purification effect.

[0005] Preferably, the air intake assembly includes an air intake pipe, an annular air outlet pipe and multiple air outlet heads. The air intake pipe is connected to the side wall of the purification tower body. An air suction pump is provided at the input end of the air intake pipe. The input end of the air intake pipe extends into the bottom of the cleaning chamber. The annular air outlet pipe is connected to the output end of the air intake pipe. Multiple air outlet heads are evenly and fixedly connected to the upper part of the annular air outlet pipe. The air suction pump is started to extract the exhaust gas, which is input into the annular air outlet pipe through the air intake pipe and evenly input into the cleaning liquid in the cleaning chamber through the air outlet head, thereby achieving the purpose of filtering dust in the exhaust gas and avoiding affecting the effect of exhaust gas purification.

[0006] Preferably, the sewage discharge assembly includes a supporting base, a transmission, a driving motor, a U-shaped cleaning frame, two scraping plates and a pipeline, the supporting base is fixedly connected to the bottom end of the purification tower body, the transmission is fixedly installed on the top of the inner part of the supporting base, the input end of the transmission is connected to the output end of the driving motor, the output end of the transmission passes through the supporting base and the bottom end of the purification tower body and is connected to the U-shaped cleaning frame, the left and right ends of the U-shaped cleaning frame are in sliding contact with the left and right ends of the cleaning chamber, the bottom of the U-shaped cleaning frame is connected to two scraping plates, the scraping plates are in sliding contact with the bottom end of the purification tower body, the input end of the pipeline is connected to the inside of the purification tower body, and the other end of the pipeline passes through the supporting base; when in use, the equipment is supported and fixed by the supporting base to ensure stability during use, the driving motor is started to drive the U-shaped cleaning frame to rotate through the transmission to clean the inner wall of the cleaning chamber, and at the same time drive the scraping plate to scrape and clean the bottom of the purification tower body to avoid impurities from settling, and discharge the cleaning liquid through the pipeline.

[0007] Preferably, the connecting component includes two connecting pipes, two air pumps, multiple second ring pipes and a second gas outlet head. The two connecting pipes are fixedly mounted on the front and rear end side walls of the purification tower body respectively. The input end of the connecting pipe is connected to the upper part of the cleaning chamber, and the output end of the connecting pipe extends into the bottom of the adsorption chamber. The connecting pipe is installed with an air pump, and the output end of the connecting pipe is connected to the second gas outlet head. Multiple second ring pipes are evenly connected to the upper part of the second gas outlet head. The air pump is started to extract the cleaned waste gas, which is input into the second gas outlet head through the connecting pipe, and evenly input into the desulfurization liquid and the denitrification liquid through the second ring pipe. After the desulfurization liquid and the denitrification liquid come into contact with the waste gas, the purpose of desulfurization and denitrification of the waste gas is achieved.

[0008] Preferably, the stirring assembly includes a second transmission, a second drive motor, a rotating rod and a spiral blade. The second transmission is fixedly mounted on the top of the upper head. The input end of the second transmission is connected to the output end of the second drive motor. The output end of the second transmission passes through the top of the upper head and is fixedly mounted with a rotating rod. The rotating rod extends into the adsorption chamber, and the spiral blade is fixedly mounted on the outer wall of the rotating rod. Starting the second drive motor drives the rotating rod to rotate through the second transmission, and the rotating rod drives the spiral blade to rotate, thereby ensuring the contact between the exhaust gas and the desulfurization liquid and the denitrification liquid, thereby improving the purification effect.

[0009] Preferably, a mounting frame is fixedly installed on the upper part of the adsorption chamber of the purification tower body, the middle part of the mounting frame is rotatably connected to the rotating rod, and a filter element is installed inside the mounting frame; the adsorbed exhaust gas moves upward and is further filtered by the filter element, which facilitates multiple treatments of the exhaust gas and improves the treatment quality.

[0010] Preferably, the upper head is connected to the top of the purification tower body through a connecting flange, and the left and right ends of the upper head are fixedly installed with lifting ears; by providing the connecting flange and the lifting ears, it is convenient to remove the upper head at the top of the purification tower body and remove, replace or clean the filter element.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the exhaust gas is evenly input into the cleaning chamber through the air intake component, the dust in the exhaust gas will be cleaned by the cleaning liquid, thereby achieving the purpose of filtering the dust in the exhaust gas, and at the same time the cleaning liquid is sprayed into the cleaning chamber through the spray plate to ensure the cleaning effect, the sewage discharge component can discharge the cleaning liquid to avoid sludge residue in the cleaning chamber, the exhaust gas after dust removal is input into the adsorption chamber through the connecting component, and sprayed into the desulfurization liquid and the denitrification liquid, after the desulfurization liquid and the denitrification liquid come into contact with the exhaust gas, thereby achieving the purpose of desulfurization and denitrification of the exhaust gas, the stirring component rotates to ensure the contact between the exhaust gas and the desulfurization liquid and the denitrification liquid, and the purification effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a right view structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached figure: 1. purification tower body; 2. upper head; 3. circulation pipe; 4. spray plate; 5. partition; 6. air inlet pipe; 7. annular air outlet pipe; 8. air outlet head; 9. support base; 10. transmission; 11. drive motor; 12. U-shaped cleaning rack; 13. scraper plate; 14. pipeline; 15. connecting pipe; 16. air pump; 17. second annular pipe; 18. second air outlet head; 19. second transmission; 20. second drive motor; 21. rotating rod; 22. spiral blade; 23. mounting frame; 24. filter element; 25. connecting flange; 26. lifting ear; 27. air outlet pipe. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0019] like Figures 1 to 4As shown, the upper head 2 is connected to the top of the purification tower body 1, and an air outlet pipe 27 is installed on the upper head 2. The partition 5 is fixedly installed in the middle of the inner wall of the purification tower body 1, dividing the interior of the purification tower body 1 into a cleaning chamber and an adsorption chamber. The cleaning chamber is provided with a cleaning precipitation liquid, and the adsorption chamber is provided with a desulfurization liquid and a denitrification liquid. The circulation pipe 3 is fixedly installed on the lower right wall of the purification tower body 1, and the output end of the circulation pipe 3 extends into the upper part of the cleaning chamber and is provided with a spray plate 4. The input end of the circulation pipe 3 is connected with the bottom of the cleaning chamber, and a circulation pump is arranged on the circulation pipe 3. The air inlet pipe 6 is connected to the side wall of the purification tower body 1, and the input end of the air inlet pipe 6 is provided with an air pump. The input end of the air inlet pipe 6 extends into the bottom of the cleaning chamber. The annular air outlet pipe 7 is connected to the output end of the air inlet pipe 6, and a plurality of air outlet heads 8 are evenly and fixedly connected to the upper part of the annular air outlet pipe 7. The support base 9 is fixedly connected to the bottom of the purification tower body 1, and the transmission 10 is fixedly installed on the support base. At the top of the inner part of the support base 9, the input end of the transmission 10 is connected to the output end of the drive motor 11, and the output end of the transmission 10 passes through the support base 9 and the bottom end of the purification tower body 1 and is connected to a U-shaped cleaning frame 12, and the left and right ends of the U-shaped cleaning frame 12 are in sliding contact with the left and right ends of the cleaning chamber, and the bottom of the U-shaped cleaning frame 12 is connected to two scraping plates 13, and the scraping plates 13 are in sliding contact with the bottom end of the purification tower body 1, and the input end of the pipeline 14 is connected to the inside of the purification tower body 1, and the other end of the pipeline 14 passes through the support base 9, and two connecting pipes 15 are respectively fixedly mounted on the front and rear end side walls of the purification tower body 1, and the input end of the connecting pipe 15 is connected to the upper part of the cleaning chamber, and the output end of the connecting pipe 15 extends into the bottom of the adsorption chamber, and an air pump 16 is installed on the connecting pipe 15, and the output end of the connecting pipe 15 is connected to a second gas outlet 18, and a plurality of second annular pipes 17 are evenly connected to the upper part of the second gas outlet 18;

[0020] Start the vacuum pump to extract the exhaust gas, input it into the annular exhaust pipe 7 through the air inlet pipe 6, and evenly input it into the cleaning liquid in the cleaning chamber through the air outlet head 8, so as to achieve the purpose of filtering dust in the exhaust gas and avoid affecting the effect of exhaust gas purification. Start the air pump 16 to extract the cleaned exhaust gas, input it into the second exhaust head 18 through the connecting pipe 15, and evenly input it into the desulfurization liquid and denitrification liquid through the second annular pipe 17. After the desulfurization liquid and the denitrification liquid come into contact with the exhaust gas, the purpose of desulfurization and denitrification of the exhaust gas is achieved. When in use, the equipment is supported and fixed by the support base 9 to ensure stability during use. Start the drive motor 11 to drive the U-shaped cleaning frame 12 to rotate through the transmission 10 to clean the inner wall of the cleaning chamber, and at the same time drive the scraper plate 13 to scrape and clean the bottom of the purification tower body 1 to avoid impurities from settling, and discharge the cleaning liquid through the pipeline 14. Example 2

[0021] like Figure 2 , Figure 4 and Figure 5As shown, on the basis of Example 1, it also includes a second transmission 19 fixedly installed on the top of the upper head 2, the input end of the second transmission 19 is connected to the output end of the second drive motor 20, the output end of the second transmission 19 passes through the top of the upper head 2 and is fixedly installed with a rotating rod 21, the rotating rod 21 extends into the adsorption chamber, and the spiral blade 22 is fixedly installed on the outer wall of the rotating rod 21, and a mounting frame 23 is fixedly installed on the upper part of the adsorption chamber of the purification tower body 1, the middle part of the mounting frame 23 is rotatably connected to the rotating rod 21, and a filter element 24 is installed inside the mounting frame 23, the upper head 2 is connected to the top of the purification tower body 1 through a connecting flange 25, and the left and right ends of the upper head 2 are fixedly installed with lifting ears 26;

[0022] Start the second drive motor 20 to drive the rotating rod 21 to rotate through the second transmission 19, and the rotating rod 21 drives the spiral blade 22 to rotate to ensure the contact between the exhaust gas and the desulfurization liquid and the denitrification liquid, thereby improving the purification effect. The adsorbed exhaust gas moves upward, and the exhaust gas is further filtered through the filter element 24, which is convenient for multiple treatments of the exhaust gas and improves the treatment quality. By setting the connecting flange 25 and the lifting ear 26, it is convenient to remove the upper head 2 at the top of the purification tower body 1, and remove, replace or clean the filter element 24.

[0023] like Figures 1 to 5 As shown, a desulfurization, denitrification, and dust removal purification tower of the utility model is supported and fixed by a supporting base 9 during operation, the exhaust gas is extracted by an exhaust pump, inputted into the annular exhaust pipe 7 through the exhaust inlet pipe 6, and evenly inputted into the cleaning liquid in the cleaning chamber through the exhaust head 8, thereby achieving the purpose of filtering dust in the exhaust gas, and the cleaning liquid is sprayed into the cleaning chamber through the spray plate to ensure the cleaning effect, the exhaust gas after cleaning is extracted by an exhaust pump 16, inputted into the second exhaust head 18 through the connecting pipe 15, and evenly inputted into the desulfurization liquid and the denitrification liquid through the second annular pipe 17, after the desulfurization liquid and the denitrification liquid come into contact with the exhaust gas, thereby achieving the purpose of desulfurization and denitrification of the exhaust gas, and the first exhaust gas is started. The second drive motor 20 drives the rotating rod 21 to rotate through the second transmission 19, and the rotating rod 21 drives the spiral blade 22 to rotate to ensure the contact between the exhaust gas and the desulfurization liquid and the denitrification liquid. The adsorbed exhaust gas moves upward, is further filtered by the filter element 24, and then discharged through the exhaust pipe 27. The drive motor 11 is started to drive the U-shaped cleaning frame 12 to rotate through the transmission 10 to clean the inner wall of the cleaning chamber, and at the same time drives the scraper plate 13 to scrape and clean the bottom of the purification tower body 1 to avoid impurities from settling, and the cleaning liquid is discharged through the pipeline 14. By setting the connecting flange 25 and the lifting ear 26, it is convenient to remove the upper head 2 at the top of the purification tower body 1, and remove, replace or clean the filter element 24.

[0024] The transmission 10, drive motor 11, air pump 16, second transmission 19, second drive motor 20 and filter element 24 of a desulfurization, denitrification and dust removal purification tower of the utility model are purchased on the market. Technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A desulfurization, denitrification and dust removal purification tower, characterized in that: The purification tower body (1) comprises a purification tower body (1), an upper end cap (2), a circulation pipe (3), a spray plate (4), a partition (5), an air intake component, a connecting component, an agitation component and a sewage discharge component. The upper end cap (2) is connected to the top of the purification tower body (1). An air outlet pipe (27) is installed on the upper end cap (2). The partition (5) is fixedly installed in the middle of the inner wall of the purification tower body (1) to divide the interior of the purification tower body (1) into a cleaning chamber and an adsorption chamber. A cleaning sedimentation liquid is arranged in the cleaning chamber. A desulfurization liquid and a denitration liquid are arranged in the adsorption chamber. The air intake component is installed in the purification tower body. The invention relates to a tower body (1) and a cleaning tower body (2). The cleaning tower body (1) is provided with a circulation pipe (3) and a cleaning tower body (3). The cleaning tower body (1) is provided with a circulation pump and a communication component. The communication component is installed on the outer wall of the cleaning tower body (1) so that the adsorption chamber and the cleaning chamber are connected. The stirring component is installed in the adsorption chamber. The sewage discharge component is installed at the bottom of the cleaning tower body (1) and is located in the cleaning chamber.

2. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: The air intake assembly comprises an air intake pipe (6), an annular air outlet pipe (7) and a plurality of air outlet heads (8); the air intake pipe (6) is connected to the side wall of the purification tower body (1); an air pump is arranged at the input end of the air intake pipe (6); the input end of the air intake pipe (6) extends into the bottom of the cleaning chamber; the annular air outlet pipe (7) is connected to the output end of the air intake pipe (6); and a plurality of air outlet heads (8) are evenly and fixedly connected to the upper part of the annular air outlet pipe (7).

3. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: The sewage discharge assembly comprises a support base (9), a transmission (10), a drive motor (11), a U-shaped cleaning frame (12), two scraping plates (13) and a pipeline (14); the support base (9) is fixedly connected to the bottom end of the purification tower body (1); the transmission (10) is fixedly mounted on the top of the support base (9); the input end of the transmission (10) is connected to the output end of the drive motor (11); the output end of the transmission (10) passes through the support base (9) and the bottom end of the purification tower body (1) and is connected to the U-shaped cleaning frame (12); the left and right ends of the U-shaped cleaning frame (12) are in sliding contact with the left and right ends of the cleaning chamber; the bottom of the U-shaped cleaning frame (12) is connected to two scraping plates (13); the scraping plates (13) are in sliding contact with the bottom end of the purification tower body (1); the input end of the pipeline (14) is connected to the inside of the purification tower body (1); and the other end of the pipeline (14) passes through the support base (9).

4. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: The connecting assembly comprises two connecting pipes (15), two air pumps (16), a plurality of second annular pipes (17) and a second gas outlet head (18). The two connecting pipes (15) are respectively fixedly mounted on the front and rear end side walls of the purification tower body (1). The input end of the connecting pipe (15) is connected to the upper part of the cleaning chamber. The output end of the connecting pipe (15) extends into the bottom of the adsorption chamber. The air pump (16) is mounted on the connecting pipe (15). The output end of the connecting pipe (15) is connected to the second gas outlet head (18). The upper part of the second gas outlet head (18) is evenly connected to a plurality of second annular pipes (17).

5. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: The stirring assembly comprises a second transmission (19), a second drive motor (20), a rotating rod (21) and a spiral blade (22); the second transmission (19) is fixedly mounted on the top end of the upper head (2); the input end of the second transmission (19) is connected to the output end of the second drive motor (20); the output end of the second transmission (19) passes through the top end of the upper head (2) and is fixedly mounted with a rotating rod (21); the rotating rod (21) extends into the adsorption chamber; and the spiral blade (22) is fixedly mounted on the outer wall of the rotating rod (21).

6. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: A mounting frame (23) is fixedly mounted on the upper portion of the adsorption chamber of the purification tower body (1); a middle portion of the mounting frame (23) is rotatably connected to the rotating rod (21); and a filter element (24) is mounted inside the mounting frame (23).

7. A desulfurization, denitrification and dust removal purification tower as claimed in claim 1, characterized in that: The upper end cap (2) is connected to the top of the purification tower body (1) via a connecting flange (25), and lifting ears (26) are fixedly mounted on the left and right ends of the upper end cap (2).

Images