Desulfurizing tower for chemical production

Abstract

The utility model relates to the technical field of desulfurizing towers, in particular to a chemical production desulfurizing tower which comprises a tower body, the tower body is used for desulfurizing waste gas for chemical production, treating fluid is arranged at the inner bottom of the tower body, and an L-shaped gas inlet pipe extending into the tower body is embedded in the side surface of the tower body; the desulfurization assembly comprises a conical cover rotationally arranged on the inner wall of the tower body, an opening of the conical cover faces downwards, a through hole is formed in the upper surface of the conical cover, and the end of the L-shaped air inlet pipe is rotationally connected with the inner wall of the through hole through a sealing bearing. Through the arrangement of the desulfurization assembly, the desulfurization tower can drive the first annular spray pipe, the second annular spray pipe and the third annular spray pipe to rotate and spray in the actual use process, and waste gas flows downwards through the L-shaped gas inlet pipe and the conical cover, so that the reaction time of the waste gas and treatment liquid is effectively prolonged; furthermore, the sufficient contact between the treatment liquid and the waste gas is effectively ensured, and the desulfurization sufficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a desulfurization tower technical field, concretely is a chemical production desulfurization tower. BACKGROUND

[0002] Wet flue gas desulfurization environmental protection technology (FGD) is widely applied to large and medium-sized thermal power plants because of high desulfurization rate, wide coal quality application, mature process technology, long stable operation period, small load variation influence and large flue gas treatment capacity, and becomes the leading process technology of flue gas desulfurization of thermal power plants at home and abroad.

[0003] In the prior art, the patent with the announcement number CN209596908U discloses a desulfurization tower, adopts the scheme of "including tower body, spray system arranged in the tower body and multiple guide vanes, multiple corrosion-resistant layers corresponding to the multiple guide vanes are arranged on the inner wall of the tower body, the spray system includes multiple interval arranged spray assemblies, the spray assembly includes a spray pipeline and multiple spray heads which are arranged on the spray pipeline and can be deflected, each guide vane is arranged below the corresponding spray assembly, and the guide vane is bonded to the inner wall of the corresponding corrosion-resistant layer", the scheme arranges multiple corrosion-resistant layers on the inner wall of the desulfurization tower, bonds the guide vane to the inner wall of each corrosion-resistant layer, prevents the inner wall of the desulfurization tower from being corroded, the guide vane is convenient to replace, the maintenance time is reduced, and the production cost is reduced.

[0004] However, the above scheme still has some deficiencies, for example, although the scheme can desulfurize waste gas through multiple interval arranged spray assemblies, after the waste gas is introduced into the desulfurization tower, the waste gas quickly rises, so that the waste gas is not completely desulfurized when being sprayed and desulfurized, the success rate of desulfurization is affected, and the environment is polluted.

[0005] Therefore, the utility model provides a chemical production desulfurization tower. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a chemical production desulfurization tower to solve the problems in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a chemical production desulfurization tower, comprising:

[0008] The tower body is used for desulfurization treatment of waste gas in chemical production, the inner bottom of the tower body is provided with a treatment liquid, and the side surface of the tower body is embedded with an L-shaped gas inlet pipe extending into the tower body.

[0009] The desulfurization assembly comprises a conical cover rotationally arranged on the inner wall of a tower body, and the opening of the conical cover faces downward, a through hole is formed in the upper surface of the conical cover, and the end of an L-shaped air inlet pipe is rotationally connected to the inner wall of the through hole through a sealing bearing, the inner wall of the conical cover is sequentially fixed with a first annular nozzle, a second annular nozzle and a third annular nozzle from top to bottom, the inner bottom wall of the tower body is rotationally arranged with a rotating pipe extending into the conical cover, the outer surface of the rotating pipe is provided with three groups of connecting pipes, and the other ends of the three groups of connecting pipes extend into the interiors of the first annular nozzle, the second annular nozzle and the third annular nozzle respectively, the lower surface of the tower body is fixed with a driving motor for driving the rotating pipe to rotate and a transfusion pump for transfusing the interior of the rotating pipe respectively.

[0010] As a preferred technical scheme, the output end of the driving motor is fixed with a driving gear plate, the bottom end of the rotating pipe extends to the lower surface of the tower body, and the outer surface of the bottom end of the rotating pipe is fixed with a driven gear plate which is meshed with the driving gear plate.

[0011] As a preferred technical scheme, the transfusion pump is provided with a first transfusion pipe which is rotationally connected to the bottom end of the rotating pipe.

[0012] As a preferred technical scheme, the desulfurization assembly further comprises a flow guide ring which is fixed on the inner wall of the tower body and corresponds to the conical cover, and the cross section of the flow guide ring is in the shape of an isosceles triangle.

[0013] As a preferred technical scheme, the surface of the flow guide ring is fixed with a fourth annular nozzle, and the inner annular faces of the first annular nozzle, the second annular nozzle, the third annular nozzle and the fourth annular nozzle are embedded with a plurality of atomizing nozzles at equal intervals.

[0014] As a preferred technical scheme, the surface of the first transfusion pipe is provided with a second transfusion pipe which is in communication with the first transfusion pipe, and the other end of the second transfusion pipe extends into the interior of the tower body and is in communication with the fourth annular nozzle.

[0015] As a preferred technical scheme, the inner wall of the tower body is fixed with a filter screen plate and an intercepting screen plate above and below the conical cover respectively, the upper surface of the filter screen plate is provided with a rotating hole for the rotating pipe to rotate, and the top end of the tower body is provided with an air outlet pipe. Advantages

[0016] Compared with the prior art, the desulfurization assembly has the following advantages:

[0017] The utility model discloses a desulfurization assembly is set up, makes the desulfurization tower in the process of actual use, can drive first annular spout pipe, second annular spout pipe and third annular spout pipe rotary sprinkling, and the waste gas is flowed down through L type air intake pipe and conical cover, effectively prolongs the time of waste gas and treatment liquid reaction, and then effectively guarantees the full contact of treatment liquid and waste gas, guarantees the fullness of desulfurization.

[0018] The utility model discloses a flow guiding ring and fourth annular spout pipe are set up, can be guided under the action of flow guiding ring to the ascending waste gas, make it can fully contact with the treatment liquid that sprays through fourth annular spout pipe, and then further make waste gas can be completely desulfurized, realize the protection of environment. ACCURACY

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the section structure schematic diagram of the utility model;

[0022] Figure 3 It is the utility model Figure 2 It is the enlarged structure schematic diagram of A place in the utility model;

[0023] Figure 4 It is the utility model Figure 2 It is the enlarged structure schematic diagram of B place in the utility model.

[0024] In the drawing:

[0025] 100, tower body;

[0026] 200, L type air intake pipe;

[0027] 300, desulfurization assembly;301, conical cover;302, first annular spout pipe;303, second annular spout pipe;304, third annular spout pipe;305, rotating pipe;306, connecting pipe;307, drive motor;308, infusion pump;309, driving tooth disc;3010, driven tooth disc;3011, first infusion pipe;3012, flow guiding ring;3013, fourth annular spout pipe;3014, atomizing nozzle;3015, second infusion pipe;

[0028] 400, filter screen plate;

[0029] 500, intercepting screen plate;

[0030] 600, air outlet pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment one

[0032] According to the drawings Figures 1-4 The utility model embodiment provides a chemical production desulfurization tower, including:

[0033] The tower body 100 is used for desulfurization treatment of waste gas for chemical production, and the inner bottom of the tower body 100 is provided with a treatment liquid, and the side surface of the tower body 100 is embedded with an L-shaped air inlet pipe 200 extending into the inside of the tower body 100.

[0034] The desulfurization assembly 300 includes a conical cover 301 rotatably arranged on the inner wall of the tower body 100, and the opening of the conical cover 301 is downward, and the inner wall of the tower body 100 is fixed above and below the conical cover 301 respectively with a filter screen plate 400 and an intercepting screen plate 500, and the upper surface of the filter screen plate 400 is provided with a rotating hole for the rotation of the rotating pipe 305, and the top end of the tower body 100 is provided with an air outlet pipe 600, wherein the filter screen plate 400 can prevent the sundries in the waste gas from entering the treatment liquid, and the intercepting screen plate 500 can prevent the sundries in the waste gas from being discharged through the air outlet pipe 600.

[0035] The upper surface of the conical cover 301 is provided with a through hole, and the end of the L-shaped air inlet pipe 200 is rotatably connected with the inner wall of the through hole through a sealing bearing, the inner wall of the conical cover 301 is sequentially fixed with a first annular nozzle 302, a second annular nozzle 303 and a third annular nozzle 304 from top to bottom, the inner bottom wall of the tower body 100 is rotatably provided with a rotating pipe 305 extending into the inside of the conical cover 301, and the outer surface of the rotating pipe 305 is provided with three groups of connecting pipes 306, and the other ends of the three groups of connecting pipes 306 respectively extend into the inside of the first annular nozzle 302, the second annular nozzle 303 and the third annular nozzle 304, and the lower surface of the tower body 100 is respectively fixed with a driving motor 307 for driving the rotation of the rotating pipe 305, and a liquid delivery pump 308 for delivering liquid into the inside of the rotating pipe 305.

[0036] The output end of the driving motor 307 is fixed with a driving gear disc 309, the bottom end of the rotating pipe 305 extends to the lower surface of the tower body 100, and the outer surface of the bottom end of the rotating pipe 305 is fixed with a driven gear disc 3010 which is in mesh with the driving gear disc 309, so that the rotating pipe 305 can be driven to rotate at a low speed by the driving motor 307.

[0037] The liquid inlet end of the infusion pump 308 extends to the inner bottom of the tower body 100 and is fixed with a filter cover to prevent impurities in the treatment liquid from entering the interior of the infusion pump 308, and the liquid outlet end of the infusion pump 308 is provided with the first infusion pipe 3011 which is rotatably connected to the bottom end of the rotating pipe 305.

[0038] In the embodiment, by arranging the desulfurization assembly 300, the desulfurization tower can input the chemical waste gas into the interior of the tower body 100 through the L-shaped gas inlet pipe 200 in actual use, and the infusion pump 308 and the driving motor 307 are started, the infusion pump 308 sends the treatment liquid at the inner bottom of the tower body 100 to the interior of the rotating pipe 305 through the first infusion pipe 3011, and sends the treatment liquid to the interiors of the first annular spray pipe 302, the second annular spray pipe 303 and the third annular spray pipe 304 through the three groups of connecting pipes 306 respectively, and sprays the waste gas entering the conical cover 301 through the L-shaped gas inlet pipe 200 to perform spray desulfurization through the atomizing nozzles 3014, and in the process of spray desulfurization, the rotation of the driving motor 307 can drive the driving gear disc 309 to rotate, the rotation of the driving gear disc 309 drives the driven gear disc 3010 and the rotating pipe 305 to rotate, the rotation of the rotating pipe 305 drives the conical cover 301 to rotate, thereby driving the first annular spray pipe 302, the second annular spray pipe 303 and the third annular spray pipe 304 to rotate and spray, and the waste gas flows downward through the L-shaped gas inlet pipe 200 and the conical cover 301, effectively prolonging the reaction time of the waste gas and the treatment liquid, thereby effectively ensuring the full contact of the treatment liquid and the waste gas and ensuring the sufficiency of the desulfurization. Embodiment Two

[0039] On the basis of embodiment one and different from embodiment one, the desulfurization assembly 300 further comprises a guide ring 3012 which is fixed to the inner wall of the tower body 100 and corresponds to the conical cover 301.

[0040] The guide ring 3012 is in the shape of an isosceles triangle in cross section, which is convenient for guiding the waste gas in the upward process.

[0041] The surface of the guide ring 3012 is fixed with a fourth annular spray pipe 3013, and the inner annular surfaces of the first annular spray pipe 302, the second annular spray pipe 303, the third annular spray pipe 304 and the fourth annular spray pipe 3013 are embedded with a plurality of atomizing nozzles 3014 at equal distances.

[0042] The surface of the first liquid conveying pipe 3011 is provided with a second liquid conveying pipe 3015 in communication with the first liquid conveying pipe 3011, and the other end of the second liquid conveying pipe 3015 extends to the inside of the tower body 100 and is in communication with the fourth annular spray pipe 3013.

[0043] In the embodiment, by arranging the flow guide ring 3012 and the fourth annular spray pipe 3013, in the process that the liquid conveying pump 308 conveys the treatment liquid to the inside of the rotating pipe 305, the treatment liquid can enter the inside of the fourth annular spray pipe 3013 through the second liquid conveying pipe 3015 and be sprayed out through the atomizing nozzle 3014, and the exhaust gas conveyed upward through the bottom end of the conical cover 301 can be guided under the action of the flow guide ring 3012, so that the exhaust gas can be fully contacted with the treatment liquid sprayed out through the fourth annular spray pipe 3013, and the exhaust gas can be further completely desulfurized, thereby realizing the protection of the environment.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A chemical production desulfurization tower, characterized by, Include: Tower (100) for chemical production waste gas desulfurization treatment, and the inner bottom of the tower (100) is provided with a treatment liquid, and the side of the tower (100) is embedded with an L-shaped gas inlet pipe (200) extending to the inside of the tower (100); Desulfurization assembly (300), the conical cover (301) is rotatably arranged on the inner wall of the tower (100), and the opening of the conical cover (301) is downward, a through hole is formed in the upper surface of the conical cover (301), and the end of the L-shaped gas inlet pipe (200) is rotatably connected with the inner wall of the through hole through a sealing bearing, the inner wall of the conical cover (301) is sequentially provided with a first annular nozzle (302), a second annular nozzle (303) and a third annular nozzle (304) from top to bottom, and the inner bottom wall of the tower (100) is rotatably provided with a rotating pipe (305) extending to the inside of the conical cover (301), and the outer surface of the rotating pipe (305) is provided with three groups of connecting pipes (306), and the other ends of the three groups of connecting pipes (306) extend into the first annular nozzle (302), the second annular nozzle (303) and the third annular nozzle (304) respectively, and the lower surface of the tower (100) is fixedly provided with a driving motor (307) for driving the rotating pipe (305) to rotate, and a liquid delivery pump (308) for delivering liquid in the rotating pipe (305).

2. The chemical production desulfurization tower according to claim 1, characterized in that: The output end of the driving motor (307) is fixedly provided with a driving gear disc (309), the bottom end of the rotating pipe (305) extends to the lower surface of the tower (100), and the bottom end of the rotating pipe (305) is fixedly provided with a driven gear disc (3010) meshing with the driving gear disc (309).

3. A chemical production desulfurization tower according to claim 1, characterized in that: The inlet end of the liquid delivery pump (308) extends to the inner bottom of the tower (100) and is fixedly provided with a filter cover, and the outlet end of the liquid delivery pump (308) is provided with a first liquid delivery pipe (3011) rotatably connected with the bottom end of the rotating pipe (305).

4. The chemical production desulfurization tower according to claim 3, characterized in that: The desulfurization assembly (300) further comprises a flow guide ring (3012) fixedly arranged on the inner wall of the tower (100) and corresponding to the conical cover (301), and the cross section of the flow guide ring (3012) is isosceles triangular.

5. A chemical production desulfurization tower according to claim 4, characterized in that: The surface of the flow guide ring (3012) is fixedly provided with a fourth annular nozzle (3013), and the inner annular surface of the first annular nozzle (302), the second annular nozzle (303), the third annular nozzle (304) and the fourth annular nozzle (3013) is embedded with a plurality of atomizing nozzles (3014) at equal intervals.

6. The chemical production desulfurization tower according to claim 5, characterized in that: The surface of the first liquid delivery pipe (3011) is provided with a second liquid delivery pipe (3015) communicating with the first liquid delivery pipe (3011), and the other end of the second liquid delivery pipe (3015) extends into the tower (100) and communicates with the fourth annular nozzle (3013).

7. The chemical production desulfurization tower according to claim 1, characterized in that: The inner wall of the tower body (100) is fixed with a filter screen plate (400) and an intercept screen plate (500) above and below the conical cover (301) respectively, and the upper surface of the filter screen plate (400) is provided with a rotating hole for the rotating pipe (305) to rotate, and the top end of the tower body (100) is provided with an air outlet pipe (600).

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