Ammonium sulfate tail gas drying device based on ammonia desulfurization

Abstract

The utility model discloses an ammonium sulfate tail gas drying device based on ammonia desulfurization, and relates to the technical field of tail gas treatment. The drying device comprises a drying mechanism, a limiting mechanism used in cooperation with the drying mechanism is arranged on the drying mechanism, and the drying mechanism comprises a box body; through the arrangement and use of the drying mechanism, ammonium sulfate tail gas based on ammonia desulfurization and external air can be continuously sucked, and the external air is filtered and heated during suction, so that the tail gas can be dried, and ammonium sulfate powder carried in the tail gas can be dried; the dried ammonium sulfate powder is intercepted by the filter disc II, and meanwhile, a scraping plate can be driven to rotate at a reduced speed, so that the ammonium sulfate powder intercepted by the filter disc II can be scraped off, the ammonium sulfate tail gas based on ammonia desulfurization is effectively dried, the ammonium sulfate powder in the tail gas can be intercepted and collected, and the ammonium sulfate tail gas can be recycled. Therefore, the phenomena of environmental pollution caused by tail gas and resource waste can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to an ammonium sulfate tail gas drying device based on ammonia desulfurization. Background Art

[0002] Ammonia desulfurization is a technology widely used in the chemical industry. It is a wet desulfurization method based on the chemical reaction of alkaline desulfurizer (ammonia or ammonia water) with acidic SO2 to form (NH4)2SO4.

[0003] However, the ammonium sulfate tail gas produced by the existing ammonia-based desulfurization process will carry some ammonium sulfate powder, which will cause environmental pollution and waste of resources after the tail gas is discharged.

[0004] In response to the above problems, the inventors proposed an ammonium sulfate tail gas drying device based on ammonia desulfurization to solve the above problems. Utility Model Content

[0005] In order to solve the problem that the ammonium sulfate tail gas produced by the existing ammonia desulfurization carries some ammonium sulfate powder, which causes environmental pollution and waste of resources after the tail gas is discharged; the purpose of this utility model is to provide an ammonium sulfate tail gas drying device based on ammonia desulfurization.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: an ammonium sulfate tail gas drying device based on ammonia desulfurization, comprising a drying mechanism, a limiting mechanism for use in conjunction with the drying mechanism, and a drying mechanism comprising a box body, both sides of the box body are hinged with sealing doors for use in conjunction with the box body, a symmetrically arranged air inlet pipe is connected to the box body, and the end of the air inlet pipe is detachably provided with a clamping sleeve, the inner side of the clamping sleeve is detachably provided with a filter disc 1, and a heating disc for use in conjunction with the drying mechanism is fixedly installed in the inner cavity of the air inlet pipe, a feed pipe and a discharge pipe are respectively provided on both sides of the box body, and a filter disc 2 is provided at the end of the discharge pipe, a rotating rod is rotatably inserted on the filter disc 2, and one end of the rotating rod is fixedly sleeved with a filter disc for use in conjunction with the filter disc 2. The scraper is used in combination, and the other end of the rotating rod is fixedly connected to a universal coupling, and the end of the universal coupling is fixedly connected to a rotating shaft, which is rotatably connected to the discharge pipe. A rotating seat is fixedly installed on the inner wall of the discharge pipe, and the rotating shaft is rotatably inserted on the rotating seat, and a gear one is fixedly sleeved on the rotating shaft, a rotating column is rotatably inserted on the discharge pipe, and a fan blade, gear two and gear three are fixedly sleeved on the rotating column, a guide hole for matching use is opened through the end of the discharge pipe, gear two is meshed with gear one, and a motor is fixedly installed on the inner wall of the discharge pipe, a support is fixedly installed in the inner cavity of the discharge pipe, and the motor is fixedly installed on the support, the end of the motor output end is fixedly sleeved with gear four, and gear four is meshed with gear three.

[0007] Preferably, the limiting mechanism includes an outer cylinder, which is fixedly inserted on the ferrule, and a pull disc is slidably inserted in the inner cavity of the outer cylinder, a spring is fixedly installed on one side of the pull disc, and the end of the spring is fixedly connected to the inner wall of the outer cylinder, and an insertion rod is fixedly installed on the other side of the pull disc, and the insertion rod can slide through the outer cylinder and be slidably inserted on the air inlet pipe, symmetrically distributed insertion holes are opened on the outer wall of the air inlet pipe, and the insertion rod can be slidably inserted in the insertion holes, a pull rod is slidably inserted on the outer cylinder, and the end of the pull rod is fixedly connected to the pull disc.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. Through the setting and use of the drying mechanism, the ammonium sulfate tail gas based on ammonia desulfurization and the outside air can be continuously inhaled, and the outside air can be filtered and heated during inhalation, so that the tail gas can be dried, and the ammonium sulfate powder carried in the tail gas can be dried. The dried ammonium sulfate powder will be intercepted by the second filter disc, and at the same time, the scraper can be driven to rotate at a reduced speed, so that the ammonium sulfate powder intercepted by the second filter disc can be scraped off, thereby achieving effective drying of the ammonium sulfate tail gas based on ammonia desulfurization, and the ammonium sulfate powder in the tail gas can be intercepted and collected, thereby avoiding the phenomenon of tail gas polluting the environment and wasting resources;

[0010] 2. The setting and use of the limit mechanism facilitates the connection, fixation and disassembly of the ferrule and the air inlet pipe, thereby facilitating the installation and disassembly of the filter disc 1, and further facilitating the cleaning or replacement of the filter disc 1. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 This is a schematic structural diagram of the utility model.

[0013] Figure 2 This is a schematic diagram of the installation of the limiting mechanism in the utility model.

[0014] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure in the middle.

[0015] Figure 4 For this utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0016] In the figure: 1. Drying mechanism; 11. Box body; 12. Air inlet pipe; 13. Card sleeve; 14. Filter plate 1; 15. Heating plate; 16. Feed pipe; 17. Discharge pipe; 18. Filter plate 2; 19. Rotating rod; 110. Scraper; 111. Universal joint; 112. Rotating shaft; 113. Gear 1; 114. Rotating column; 115. Fan blade; 116. Gear 2; 117. Gear 3; 118. Motor; 119. Gear 4; 120. Socket; 121. Sealing door; 122. Rotating seat; 123. Support; 124. Guide hole; 2. Limiting mechanism; 21. Outer cylinder; 22. Pull plate; 23. Spring; 24. Inserting rod; 25. Pull rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example: Figure 1-4As shown, the utility model provides an ammonium sulfate tail gas drying device based on ammonia desulfurization, comprising a drying mechanism 1, a limiting mechanism 2 for use with the drying mechanism 1, and a box body 11, both sides of the box body 11 are hinged with a sealing door 121 for use with the drying mechanism 1, and the box body 11 is connected to a symmetrically arranged air inlet pipe 12, and the end of the air inlet pipe 12 is detachably provided with a clamping sleeve 13, the inner side of the clamping sleeve 13 is detachably provided with a filter disc 14, and a matching filter disc 14 is fixedly installed in the inner cavity of the air inlet pipe 12. The heating plate 15 used in combination is provided with a feed pipe 16 and a discharge pipe 17 on both sides of the box body 11, and the end of the discharge pipe 17 is provided with a filter disc 2 18 used in combination. A rotating rod 19 is rotatably plugged into the filter disc 2 18, and one end of the rotating rod 19 is fixedly sleeved with a scraper 110 used in combination with the filter disc 2 18. The other end of the rotating rod 19 is fixedly connected to a universal coupling 111, and the end of the universal coupling 111 is fixedly connected to a rotating shaft 112, which is rotatably connected to the discharge pipe 17. The discharge pipe 1 The inner wall of the swivel seat 122 is fixedly installed, and the rotating shaft 112 is rotatably inserted on the rotating seat 122. The setting and use of the rotating seat 122 provide a guarantee for the stable rotation of the rotating shaft 112, and the rotating shaft 112 is fixedly sleeved with a gear 113, and the discharge pipe 17 is rotatably inserted with a rotating column 114, and the rotating column 114 is fixedly sleeved with a fan blade 115, a gear 2 116 and a gear 3 117. The end of the discharge pipe 17 is penetrated by a guide hole 124 for use. The gear 2 116 and the gear 1 113 are connected to each other. The outer diameter of gear 2 116 is smaller than that of gear 1 113, thereby realizing differential transmission, and a motor 118 is fixedly mounted on the inner wall of the discharge pipe 17, a support 123 is fixedly mounted in the inner cavity of the discharge pipe 17, and the motor 118 is fixedly mounted on the support 123. The setting and use of the support 123 provide a guarantee for the stable installation of the motor 118, and the end of the output end of the motor 118 is fixedly sleeved with a gear 4 119, and the gear 4 119 is meshed with the gear 3 117.

[0019] By adopting the above technical solution, when in use, the exhaust pipe is connected to the feed pipe 16, and then the motor 118 and the heating plate 15 are started. At this time, the motor 118 will drive the gear four 119 to rotate, thereby driving the rotating column 114 to rotate through the gear three 117, and then driving the fan blades 115 and the gear two 116 to rotate, so that the gas in the box body 11 can be extracted, and then the outside air and the exhaust gas can be continuously inhaled, and the outside air can be filtered and heated when inhaled, and then the filtered and heated air will come into contact with the exhaust gas, thereby The tail gas can be dried, and the ammonium sulfate powder carried in the tail gas can be dried, and the dried ammonium sulfate powder will be intercepted by the filter disc 2 18. At the same time, the gear 2 116 can drive the rotating shaft 112 to rotate at a reduced speed through the gear 1 13, so that the scraper 110 can be driven to rotate at a reduced speed through the universal coupling 111 and the rotating rod 19, and the ammonium sulfate powder intercepted by the filter disc 2 18 can be scraped off. After the use of the device is finished, the motor 118 and the heating disc 15 are turned off and the collected ammonium sulfate powder can be taken out.

[0020] The limiting mechanism 2 includes an outer cylinder 21, which is fixedly inserted on the sleeve 13, and a pull disc 22 is slidably inserted in the inner cavity of the outer cylinder 21, and a spring 23 is fixedly installed on one side of the pull disc 22, and the end of the spring 23 is fixedly connected to the inner wall of the outer cylinder 21, and an insertion rod 24 is fixedly installed on the other side of the pull disc 22, and the insertion rod 24 can slide through the outer cylinder 21 and be slidably inserted on the air inlet pipe 12, and symmetrically distributed sockets 120 are opened on the outer wall of the air inlet pipe 12, and the insertion rod 24 can be slidably inserted in the socket 120, and a pull rod 25 is slidably inserted on the outer cylinder 21, and the end of the pull rod 25 is fixedly connected to the pull disc 22. The setting and use of the pull rod 25 provides convenience for convenient pulling of the pull disc 22.

[0021] By adopting the above technical solution, when in use, when it is necessary to clean or replace the filter disc 14, the corresponding two pull rods 25 are pulled to move backwards, thereby driving the corresponding two pull plates 22 to move backwards, and then driving the corresponding two insertion rods 24 to move backwards and squeeze the corresponding springs 23, and when the insertion rods 24 are completely separated from the socket 120, the corresponding ferrule 13 is removed, and then the corresponding filter disc 14 is removed for cleaning or replacement and reset and fixed according to the above steps after the cleaning or replacement operation is completed.

[0022] Working principle: When in use, connect the exhaust pipe to the feed pipe 16, then start the motor 118 and the heating plate 15, at this time the motor 118 will drive the gear four 119 to rotate, thereby driving the rotating column 114 to rotate through the gear three 117, and then driving the fan blades 115 and the gear two 116 to rotate, so that the gas in the box 11 can be extracted, and then the outside air and exhaust gas can be continuously inhaled, and the outside air can be filtered and heated when inhaled, and then the filtered and heated air will come into contact with the exhaust gas, so that The tail gas is dried, thereby drying the ammonium sulfate powder carried in the tail gas, and the dried ammonium sulfate powder is intercepted by the second filter disc 18. At the same time, the second gear 116 can drive the rotating shaft 112 to rotate at a reduced speed through the first gear 113, thereby driving the scraper 110 to rotate at a reduced speed through the universal coupling 111 and the rotating rod 19, thereby scraping off the ammonium sulfate powder intercepted by the second filter disc 18. After the use of the device is completed, the motor 118 and the heating disc 15 are turned off and the collected ammonium sulfate powder is taken out.

[0023] During subsequent use, when it is necessary to clean or replace the filter disc 14, pull the corresponding two pull rods 25 to move backwards, thereby driving the corresponding two pull discs 22 to move backwards, and then driving the corresponding two insertion rods 24 to move backwards and squeeze the corresponding springs 23, and when the insertion rods 24 are completely separated from the socket 120, remove the corresponding ferrule 13, and then remove the corresponding filter disc 14 for cleaning or replacement and reset and fix it according to the above steps after the cleaning or replacement operation is completed.

[0024] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. An ammonium sulfate tail gas drying device based on ammonia desulfurization, comprising a drying mechanism (1), characterized in that: The drying mechanism (1) is provided with a limiting mechanism (2) for use with the drying mechanism, and the drying mechanism (1) includes a box body (11), the box body (11) is connected with a symmetrically arranged air inlet pipe (12), and the end of the air inlet pipe (12) is detachably provided with a clamping sleeve (13), the inner side of the clamping sleeve (13) is detachably provided with a filter disc 1 (14), and a heating disc (15) for use with the drying mechanism is fixedly installed in the inner cavity of the air inlet pipe (12), the two sides of the box body (11) are respectively provided with a feed pipe (16) and a discharge pipe (17), and the end of the discharge pipe (17) is provided with a filter disc 2 (18) for use with the drying mechanism, a rotating rod (19) is rotatably inserted into the filter disc 2 (18), and one end of the rotating rod (19) is fixedly sleeved with a scraper (110) for use with the filter disc 2 (18), The other end of the rotating rod (19) is fixedly connected to a universal coupling (111), and the end of the universal coupling (111) is fixedly connected to a rotating shaft (112), the rotating shaft (112) is rotatably connected to the discharge pipe (17), and a gear one (113) is fixedly sleeved on the rotating shaft (112), the discharge pipe (17) is rotatably plugged with a rotating column (114), and a fan blade (115), a gear two (116) and a gear three (117) are fixedly sleeved on the rotating column (114), the gear two (116) and the gear one (113) are meshed, and a motor (118) is fixedly installed on the inner wall of the discharge pipe (17), the end of the output end of the motor (118) is fixedly sleeved with a gear four (119), and the gear four (119) is meshed with the gear three (117).

2. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 1, characterized in that: The limiting mechanism (2) includes an outer cylinder (21), the outer cylinder (21) is fixedly inserted on the sleeve (13), and a pull plate (22) is slidably inserted in the inner cavity of the outer cylinder (21), a spring (23) is fixedly installed on one side of the pull plate (22), and the end of the spring (23) is fixedly connected to the inner wall of the outer cylinder (21), and an insertion rod (24) is fixedly installed on the other side of the pull plate (22), and the insertion rod (24) can slide through the outer cylinder (21) and be slidably inserted on the air inlet pipe (12).

3. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 2, characterized in that: Symmetrically distributed insertion holes (120) are provided on the outer wall of the air inlet pipe (12), and the insertion rod (24) can be slidably inserted into the insertion hole (120).

4. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 2, characterized in that: A pull rod (25) is slidably inserted into the outer cylinder (21), and the end of the pull rod (25) is fixedly connected to the pull disc (22).

5. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 1, characterized in that: Both sides of the box body (11) are hinged with sealed doors (121) for use with the box body.

6. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 1, characterized in that: A rotating seat (122) is fixedly mounted on the inner wall of the discharge pipe (17), and the rotating shaft (112) is rotatably inserted on the rotating seat (122).

7. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 1, characterized in that: A support (123) is fixedly installed in the inner cavity of the discharge pipe (17), and the motor (118) is fixedly installed on the support (123).

8. The ammonium sulfate tail gas drying device based on ammonia desulfurization according to claim 1, characterized in that: A guide hole (124) for use with the discharge pipe (17) is provided through the end thereof.

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