Fiber demister for desulfurizing tower

Abstract

The utility model discloses a fiber demister for a desulfurizing tower, which comprises a suction device, a transfer device is arranged behind the suction device, and a cleaning device is arranged in front of the transfer device; the cleaning device comprises a coating shell, and the coating shell is of a two-section type; according to the fiber demister for the desulfurizing tower, due to the design that the spray head is arranged in the coating shell, harmful liquid on the absorber can be conveniently cleaned in time, the situation that the harmful liquid volatilizes to affect the cleanliness of exhausted gas of the gas outlet pipe is prevented, meanwhile, the absorber can continuously work conveniently, and the demisting stability is improved; through the design that the cleaning device is arranged in the gas outlet pipe, harmful gas which is not demisted in the gas inlet pipe is prevented from corroding the cleaning device, and the service life of the device is prolonged; through the design of opening and closing of the two-petal coating shell driven by the lead screw, a sealed shell is conveniently formed to collect sewage, harmful substances are conveniently treated in a centralized manner, meanwhile, the sewage is prevented from corroding the air outlet pipe, and the demisting effect is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fiber demister design for desulfurization towers, in particular to a fiber demister for desulfurization towers. Background Art

[0002] A desulfurization tower is a device used to remove sulfur dioxide (SO2) from flue gases emitted by coal-fired power plants and industrial boilers. Sulfur dioxide is a major pollutant produced during coal combustion, a gas harmful to the environment and human health. The desulfurization tower operates by converting sulfur dioxide in flue gas into sulfate or sulfuric acid through absorption and oxidation, thereby purifying the gas. Common desulfurization tower processes include wet desulfurization and dry desulfurization. Demisters are typically installed in desulfurization towers to remove water vapor and particulate matter generated during the desulfurization process, preventing damage to components caused by highly corrosive gases.

[0003] In comparison, the Chinese patent with application number CN202020188254.1 discloses a fiber demister and a fiber demister for a desulfurization tower. The first fiber demister and the second fiber demister are fixedly connected by a mounting assembly, and a third fiber demister and a fourth fiber demister are fixedly installed below the first fiber demister and the second fiber demister through a connecting assembly. The third fiber demister and the fourth fiber demister are also fixedly connected through the mounting assembly. The utility model uses the connecting assembly to enable the first fiber demister, the second fiber demister, the third fiber demister and the fourth fiber demister to be quickly connected and installed, so that the demisting effect can be effectively enhanced, and the installation and disassembly are relatively convenient. By setting the mounting assembly, the connectivity between the first fiber demister and the second fiber demister can be effectively guaranteed, and the replacement of the first fiber demister and the second fiber demister can be facilitated, reducing costs.

[0004] The disadvantages of the above patent are: a lot of harmful liquids adhere to the demister after use, making it difficult to clean, which easily affects the demister effect. Utility Model Content

[0005] The purpose of the utility model is to provide a fiber demister for a desulfurization tower to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A fiber demister for a desulfurization tower comprises a suction device, a transfer device is arranged behind the suction device, and a cleaning device is arranged in front of the transfer device; the cleaning device comprises a covering shell, the covering shell is a two-petal type, two liquid separation boxes are symmetrically installed on both sides of the covering shell, a first bellows is provided on the outside of the liquid separation box, a booster pump is installed in front of the first bellows, a number of nozzles are evenly installed on the circumference of the inner wall of the covering shell, and a second bellows is installed below the first bellows and on the outside of the liquid separation box.

[0008] Furthermore: the suction device includes an air inlet pipe, an absorber is installed below the air inlet pipe, and an air outlet pipe is fixedly provided at the bottom of the air inlet pipe.

[0009] Furthermore: the transfer device includes a bracket, a screw is rotatably provided on the top of the bracket, the screw thread is a forward and reverse thread, a motor is installed at one end of the screw, and two transfer racks are symmetrically provided on the screw.

[0010] Furthermore: the bracket is made of Q235 steel material, and the bracket is welded to the suction device.

[0011] Furthermore: the lead screw is connected to the bracket bearing, and the motor is keyed to the lead screw.

[0012] Furthermore: the bottom of the coating shell is funnel-shaped.

[0013] Furthermore: the first bellows and the second bellows are respectively connected to the air outlet pipe with bolts.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The bracket supports the motor to drive the lead screw to rotate, driving the two transfer racks to move synchronously toward the middle, so that the two-petal covering shell is closed and spliced ​​into a cylindrical object outside the absorber. The outlet pipe supports the booster pump to pump water into the first bellows. The water flows along the first bellows into the two liquid separation boxes outside the covering shell. The liquid separation boxes inject the water flow evenly into the nozzle. Finally, the covering shell supports the nozzle to spray water to clean the absorber inside. The generated sewage flows along the inner wall of the covering shell into the second bellows to complete the cleaning of the absorber. The design of arranging the nozzle inside the covering shell facilitates the timely cleaning of harmful liquids on the absorber to prevent its volatilization from affecting the cleanliness of the outlet pipe. At the same time, it facilitates the continuous operation of the absorber and improves the stability of demisting.

[0016] The design of setting the cleaning device inside the outlet pipe prevents the harmful gas in the inlet pipe from corroding the cleaning device, thereby extending the service life of the device;

[0017] The design of opening and closing the two-petal covering shell driven by a screw facilitates the formation of a sealed shell to collect sewage, facilitates the centralized treatment of harmful substances, and prevents sewage from corroding the exhaust pipe, further improving the demisting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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 labor.

[0019] Figure 1 This is a structural schematic diagram of a fiber demister for a desulfurization tower according to the utility model;

[0020] Figure 2 This is a structural schematic diagram of an absorption device for a fiber demister of a desulfurization tower according to the utility model;

[0021] Figure 3 This is a schematic structural diagram of a transfer device for a fiber demister of a desulfurization tower according to the present invention;

[0022] Figure 4 This is a schematic structural diagram of a cleaning device for a fiber demister of a desulfurization tower according to the utility model;

[0023] Figure 5 This is an axonometric diagram of a cleaning device for a fiber demister of a desulfurization tower described in the utility model.

[0024] In the accompanying drawings: 1. suction device; 101. air inlet pipe; 102. absorber; 103. air outlet pipe; 2. transfer device; 201. bracket; 202. screw; 203. motor; 204. transfer rack; 3. cleaning device; 301. covering shell; 302. liquid separation box; 303. first bellows; 304. booster pump; 305. second bellows; 306. nozzle. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] 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.

[0028] See also Figure 1-Figure 5 A fiber demister for a desulfurization tower includes a suction device 1, a transfer device 2 is provided behind the suction device 1, and a cleaning device 3 is provided in front of the transfer device 2.

[0029] In this embodiment, the absorption device 1 includes an air inlet pipe 101, an absorber 102 is installed below the air inlet pipe 101, and an air outlet pipe 103 is fixedly provided at the bottom of the air inlet pipe 101. The mist generated by the desulfurization tower enters the interior of the device along the air inlet pipe 101. The absorber 102 at the bottom of the air inlet pipe 101 absorbs harmful components in the mist. The purified gas is discharged from the device through the air outlet pipe 103, completing the demisting work.

[0030] In this embodiment: the transfer device 2 includes a bracket 201, a screw 202 is rotatably provided on the top of the bracket 201, the screw 202 thread is a forward and reverse thread, a motor 203 is installed at one end of the screw 202, two transfer racks 204 are symmetrically provided on the screw 202, the bracket 201 is made of Q235 steel, the bracket 201 is welded to the suction device 1, the screw 202 is connected to the bracket 201 bearing, the motor 203 is connected to the screw 202 with a flat key, the bracket 201 supports the motor 203 to drive the screw 202 to rotate, driving the two transfer racks 204 to move synchronously toward the middle, so that the two-petal covering shell 301 is closed and spliced ​​into a cylindrical object outside the absorber 102;

[0031] In this embodiment, the cleaning device 3 includes a covering shell 301, which is a two-lobed type. Two liquid separation boxes 302 are symmetrically installed on both sides of the covering shell 301. A first bellows 303 is provided on the outside of the liquid separation box 302. A booster pump 304 is installed in front of the first bellows 303. A number of nozzles 306 are evenly installed on the circumference of the inner wall of the covering shell 301. A second bellows 305 is installed on the outside of the liquid separation box 302 below the first bellows 303. The bottom of the covering shell 301 is funnel-shaped. The first bellows 303 and the second bellows 305 are respectively bolted to the air outlet pipe 103. The air outlet pipe 103 supports the booster pump 304 to pump water into the first bellows 303. The water enters the two liquid separation boxes 302 on the outside of the covering shell 301 along the first bellows 303. The liquid separation box 302 injects the water flow evenly into the nozzle 306. Finally, the covering shell 3 01 supports the nozzle 306 to spray water to clean the absorber 102 inside, and the generated sewage flows into the second bellows 305 along the inner wall of the covering shell 301 to complete the cleaning of the absorber 102. The design of arranging the nozzle 306 in the covering shell 301 facilitates timely cleaning of harmful liquids on the absorber 102 to prevent its volatilization from affecting the cleanliness of the outlet gas of the outlet pipe 103, and at the same time facilitates the continuous operation of the absorber 102 and improves the stability of demisting. The design of arranging the cleaning device 3 inside the outlet pipe 103 prevents the harmful gas in the inlet pipe 101 from being demisted from corroding the cleaning device 3, thereby improving the service life of the device. The design of driving the two-petal covering shell 301 to open and close by the lead screw 202 facilitates the formation of a sealed shell to collect sewage, facilitates the centralized treatment of harmful substances, and prevents sewage from corroding the outlet pipe 103, thereby further improving the demisting effect.

[0032] Working principle: The mist generated by the desulfurization tower enters the device along the air inlet pipe 101, and the absorber 102 at the bottom of the air inlet pipe 101 absorbs harmful components in the mist. The purified gas is discharged from the device through the air outlet pipe 103 to complete the demisting work. Since the absorber 102 is adhered to a lot of harmful liquids after use, it needs to be cleaned to prevent affecting the demisting effect. The bracket 201 supports the motor 203 to drive the screw 202 to rotate, driving the two transfer racks 204 to move synchronously to the middle, so that the two-petal covering shell 301 is closed and spliced ​​into a cylindrical object outside the absorber 102. The air outlet pipe 103 supports the booster pump 304 to pump water into the first bellows 303. The water enters the two liquid separation boxes 302 on the outside of the covering shell 301 along the first bellows 303. The liquid separation box 302 injects the water flow evenly into the nozzle 306, and finally the covering shell 301 supports The support nozzle 306 sprays water to clean the inner absorber 102, and the generated sewage flows into the second corrugated tube 305 along the inner wall of the covering shell 301 to complete the cleaning of the absorber 102. The design of arranging the nozzle 306 in the covering shell 301 facilitates timely cleaning of harmful liquids on the absorber 102 to prevent its volatilization from affecting the cleanliness of the outlet gas of the outlet pipe 103, and at the same time facilitates the continuous operation of the absorber 102 and improves the defogger stability. The design of arranging the cleaning device 3 inside the outlet pipe 103 prevents the harmful gas in the inlet pipe 101 from being demisted from corroding the cleaning device 3, thereby improving the service life of the device. The design of driving the two-petal covering shell 301 to open and close by the lead screw 202 facilitates the formation of a sealed shell to collect sewage, facilitates the centralized treatment of harmful substances, and prevents sewage from corroding the outlet pipe 103, thereby further improving the defogger effect.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fiber demister for a desulfurization tower, comprising an absorption device (1), a transfer device (2) being arranged behind the absorption device (1), characterized in that: A cleaning device (3) is provided in front of the transfer device (2); The cleaning device (3) comprises a covering shell (301), the covering shell (301) being a two-lobed type, two liquid separation boxes (302) being symmetrically mounted on both sides of the covering shell (301), a first bellows (303) being mounted on the outside of the liquid separation box (302), a booster pump (304) being mounted in front of the first bellows (303), a plurality of nozzles (306) being evenly mounted on the circumference of the inner wall of the covering shell (301), and a second bellows (305) being mounted on the outside of the liquid separation box (302) below the first bellows (303).

2. A fiber demister for a desulfurization tower according to claim 1, characterized in that: The absorption device (1) comprises an air inlet pipe (101), an absorber (102) is installed below the air inlet pipe (101), and an air outlet pipe (103) is fixedly provided at the bottom of the air inlet pipe (101).

3. The fiber demister for a desulfurization tower according to claim 1, characterized in that: The transfer device (2) comprises a bracket (201), a screw (202) is rotatably provided on the top of the bracket (201), the screw (202) has a forward and reverse thread, a motor (203) is installed at one end of the screw (202), and two transfer racks (204) are symmetrically provided on the screw (202).

4. The fiber demister for a desulfurization tower according to claim 3, characterized in that: The bracket (201) is made of Q235 steel, and the bracket (201) and the suction device (1) are welded together.

5. The fiber demister for a desulfurization tower according to claim 3, characterized in that: The lead screw (202) is connected to the support (201) bearing, and the motor (203) is connected to the lead screw (202) via a flat key.

6. The fiber demister for a desulfurization tower according to claim 1, characterized in that: The bottom of the covering shell (301) is funnel-shaped.

7. The fiber demister for a desulfurization tower according to claim 2, characterized in that: The first bellows (303) and the second bellows (305) are respectively connected to the air outlet pipe (103) by bolts.

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