Waste gas spraying desulfurization tower

Abstract

The utility model belongs to the technical field of spray desulfurization towers, and particularly relates to a waste gas spray desulfurization tower which comprises a tower body, a circulating pump is arranged on the side of the tower body, a supporting seat is fixedly connected to the bottom of the circulating pump, an input hole of the circulating pump is connected with a water pumping pipe, the other port of the water pumping pipe is communicated with the tower body, and a water outlet of the tower body is communicated with the water pumping pipe. An output hole of the circulating pump is connected with a conveying pipeline; in the recycling process of spray liquid, the filter screen plate is arranged, so that impurities and particulate matters in the spray liquid can be effectively intercepted and removed, the spray liquid is kept clean, and the clean spray liquid can more effectively react with sulfur dioxide in waste gas, so that the stable desulfurization effect is improved; meanwhile, the pipeline can be prevented from being blocked, and normal operation of the spraying system is ensured; the scraping cleaning mechanism is arranged, so that the filter screen plate can be regularly cleaned, the phenomenon that the filter screen plate is blocked is avoided, and the filtering effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray desulfurization tower technical field, specifically a kind of waste gas spray desulfurization tower. BACKGROUND

[0002] Desulfurization tower is a kind of equipment specially used for processing industrial waste gas, in industrial production process, a large amount of waste gas containing sulfide will be generated, if not treating this kind of gas, directly discharging, can cause serious air pollution.

[0003] A kind of industrial waste gas high-efficiency desulfurization tower is disclosed in a Chinese patent with publication number CN221514064U, belonging to waste gas treatment field, including tower body, the inside of the tower body is equipped with two filler layers, fixed mounting is arranged on the top of filler layer in the tower body, the center of the fixed frame is rotatably installed with support tube, the bottom of the support tube is fixedly connected with spray pipe, the bottom of the spray pipe is evenly distributed with several spray heads, the side of the tower body is fixedly installed with machine box, the drive shaft that is rotatably installed in the machine box is penetrated into the tower body, the machine box is equipped with the driving member for the rotation of drive shaft;By the setting of drive shaft, driving member, main gear and from gear, in the process of spraying, driving member can be started to drive spray pipe to rotate, so that spraying is more uniform, and desulfurization efficiency is improved.

[0004] The above-mentioned industrial waste gas high-efficiency desulfurization tower still has some problems in use, in the recycling process of spray liquid, due to the lack of effective filtering mechanism, the impurities and particulate matters in it cannot be removed in time, resulting in impurity accumulation, the accumulation of impurities and particulate matters can reduce the reaction efficiency of spray liquid and sulfur dioxide in waste gas, thereby affecting the desulfurization effect, impurities and particulate matters in spray liquid deposit in pipeline, which can easily cause pipeline blockage, pipeline blockage not only affects the circulation efficiency of spray liquid, but also can cause equipment failure and extended downtime;Therefore, a kind of waste gas spray desulfurization tower is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, solve the problems raised in the above background art, the utility model provides a kind of waste gas spray desulfurization tower.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A waste gas spray desulfurization tower of this utility model includes a tower body, a circulating pump arranged on the side of the tower body, a support fixed to the bottom of the circulating pump, an input port of the circulating pump connected to a water pumping pipe, and the other end of the water pump connected to the tower body. An output port of the circulating pump is connected to a conveying pipe, and two outlet ports of the conveying pipe are rotatably connected to the top end of a hollow tube. A filter cylinder is connected to the water pumping pipe, and a filter screen plate is arranged inside the filter cylinder. A rotating shaft is rotatably mounted on the filter screen plate. A scraper is fixed to one end of the rotating shaft, and the scraper is in contact with the surface of the filter screen plate. A first bevel gear is fitted onto the other end of the rotating shaft. A first motor is installed at the top of the circumferential surface of the cylinder. The output end of the first motor is connected to a rotating rod. A second bevel gear is fitted at the bottom end of the rotating rod, and the first bevel gear and the second bevel gear mesh with each other. The outer surfaces of the first bevel gear and the second bevel gear are covered with a protective shell. A support rod is fixed to the bottom end of the protective shell. In order to effectively remove impurities and particulate matter contained in the spray liquid during the circulation process, a filter screen is set to effectively intercept and remove impurities and particulate matter contained in the spray liquid, ensuring that the spray liquid remains clean. Clean spray liquid can react more effectively with sulfur dioxide in the exhaust gas, thereby improving the desulfurization stability effect. At the same time, it can also avoid pipe blockage and ensure the normal operation of the spray system.

[0007] After a period of use, to prevent the filter screen from clogging, a scraping and cleaning mechanism is installed. The first motor is started, causing the second bevel gear to rotate, which in turn causes the first bevel gear to rotate, thereby causing the rotating shaft to drive the scraper to rotate. This scrapes and cleans the impurities accumulated on the filter screen. The cleaned impurities are discharged through the discharge port, thus enabling regular cleaning of the filter screen, preventing clogging and ensuring the filtration effect.

[0008] Preferably, the bottom of the circumferential surface of the filter cylinder is provided with a discharge port, and both sides of the discharge port are fixedly connected to limit slide rails. The two limit slide rails are slidably fitted with a sealing cover. When using the device, by setting the limit slide rails and the sealing cover, it is convenient to open or close the discharge port as needed.

[0009] Preferably, the tower body is internally fixed with two support frames, hollow pipes are rotatably installed on the two support frames, spray pipes are connected to the bottom ends of the two hollow pipes, a plurality of spray heads are assembled on the spray pipes, third bevel gears are sleeved on the two hollow pipes, two cross bars are rotatably installed on the side wall of the tower body, fourth bevel gears are sleeved on one end of the two cross bars, the fourth bevel gears are meshed with the third bevel gears, belt pulleys are sleeved on the other ends of the two cross bars, a conveying belt is cooperatively sleeved on the two belt pulleys, a second motor is installed on the outer side wall of the tower body, a driving gear is installed on the output end of the second motor, a driven gear is installed on one end of the lower cross bar, the driven gear is meshed with the driving gear, when the waste gas is sprayed, the second motor is operated to make the driving gear rotate, the driven gear is forced to rotate, the two belt pulleys are further made to rotate under the cooperation of the conveying belt, the two fourth bevel gears are driven to rotate by the two cross bars, the third bevel gears are forced to rotate, and the hollow pipes are further made to rotate with the spray pipes and the spray heads, so that the spraying range of the spray heads can be continuously adjusted, the spraying is more uniform, and the desulfurization efficiency is improved.

[0010] Preferably, the outer surfaces of the fourth bevel gears and the third bevel gears are covered with a shell cover, the shell cover is fixed on the support frame, a protective cover is installed on the outer side of the tower body, and the driven gear, the driving gear and the conveying belt are arranged in the protective cover, when the device is used, the shell cover can prevent water from entering, ensure the normal operation of the gear transmission parts, and the protective cover can prevent the operator from touching the gear transmission area by mistake, and safety accidents can be avoided.

[0011] Preferably, the tower body is internally provided with two grating plates, filler layers are arranged above the two grating plates, when the device is used, the filler layers can increase the contact area between the waste gas and the spraying liquid, so that the sulfur oxides in the waste gas can more fully contact and react with the desulfurization liquid, thereby improving the desulfurization efficiency.

[0012] Preferably, the tower body is provided with three observation openings, transparent glass is encapsulated in each observation opening, when the device is used, the observation openings can be used to observe and monitor the running condition in the tower in real time.

[0013] Preferably, the circumferential surface of the tower body is connected with an air inlet pipe at the bottom end, and the top end of the tower body is connected with an air outlet pipe, when the device is used, the air inlet pipe can be used to facilitate the flow of the waste gas into the desulfurization tower, and the air outlet pipe can be used to facilitate the discharge of the purified gas.

[0014] The device has the advantages that:

[0015] 1. The utility model discloses a filter screen board is set up in the process of spraying liquid circulation, in order to effectively remove the impurity and particulate matter contained in the spraying liquid, can effectively intercept and remove the impurity and particulate matter contained in the spraying liquid, ensure that the spraying liquid keeps clean, and the clean spraying liquid can more effectively react with sulfur dioxide in waste gas, thereby improve desulfurization stable effect, can also avoid the blockage of pipeline, ensure the normal operation of the spraying system.

[0016] 2. The utility model discloses after using a period of time, in order to avoid the filter screen board to be blocked, set up the scraping cleaning mechanism, starts the first motor, makes the second bevel gear rotate, forces the first bevel gear to rotate, and then makes the rotating shaft drive the scraper strip rotate, thereby can scrape and clean the impurity accumulated on the filter screen board, and the impurity after scraping and cleaning is discharged through the impurity discharge port, thereby can regularly clean the filter screen board, avoid the phenomenon that the filter screen board is blocked, guarantee the effect of filtration. ACCURACY OF DRAWINGS

[0017] 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 in the description drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram for the device;

[0019] Figure 2 It is the three-dimensional structure schematic diagram for the tower body;

[0020] Figure 3 It is the first three-dimensional structure schematic diagram for the filter mechanism;

[0021] Figure 4 It is the second three-dimensional structure schematic diagram for the filter mechanism;

[0022] Figure 5 It is the three-dimensional structure schematic diagram for the meshing transmission assembly.

[0023] In the figure: 1, tower body; 2, circulating pump; 3, support seat; 4, water suction pipe; 5, conveying pipeline; 6, filter cartridge; 7, filter screen plate; 8, rotating shaft; 9, scraping strip; 10, first bevel gear; 11, first motor; 12, rotating rod; 13, second bevel gear; 14, protective shell; 15, impurity discharge port; 16, limiting slide rail; 17, sealing cover plate; 18, support frame; 19, hollow pipe; 20, spray pipe; 21, spray head; 22, third bevel gear; 23, cross bar; 24, fourth bevel gear; 25, pulley; 26, conveyor belt; 27, driven gear; 28, second motor; 29, driving gear; 30, shell cover; 31, protective cover; 32, grating plate; 33, filler layer; 34, air inlet pipe; 35, exhaust pipe; 36, observation port. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 As shown in the figure, a kind of waste gas spray desulfurization tower, including tower body 1, the side of tower body 1 is provided with circulating pump 2, the bottom of circulating pump 2 is fixedly connected with support seat 3, the input hole of circulating pump 2 is connected with water suction pipe 4, and another end of water suction pipe 4 is communicated with tower body 1, the output hole of circulating pump 2 is connected with conveying pipeline 5, and the two water outlets of conveying pipeline 5 are rotatably connected with the top port of hollow pipe 19, filter cartridge 6 is connected on water suction pipe 4, filter screen plate 7 is arranged in filter cartridge 6, rotating shaft 8 is rotatably installed on filter screen plate 7, one end of rotating shaft 8 is fixed with scraping strip 9, and scraping strip 9 is in contact with the surface of filter screen plate 7, first bevel gear 10 is sleeved on the other end of rotating shaft 8, first motor 11 is installed on the circumferential surface top end of filter cartridge 6, the output end of first motor 11 is connected with rotating rod 12, second bevel gear 13 is sleeved on the bottom end of rotating rod 12, and first bevel gear 10 and second bevel gear 13 are meshed with each other, protective shell 14 is covered on the outer surface of first bevel gear 10 and second bevel gear 13, and the bottom end of protective shell 14 is fixedly connected with support rod; in the process of circulating use of spray liquid, in order to effectively remove impurities and particulate matter contained in spray liquid, by being provided with filter screen plate 7, impurities and particulate matter contained in spray liquid can be effectively intercepted and removed, to ensure that spray liquid remains clean, clean spray liquid can more effectively react with sulfur dioxide in waste gas, thereby improving desulfurization stability effect, while it can also avoid pipe blockage, to ensure normal operation of spray system.

[0026] In order to avoid the filter screen plate 7 from being blocked after the device is used for a period of time, the scraping and cleaning mechanism is arranged, the first motor 11 is started, the second bevel gear 13 is rotated, the first bevel gear 10 is forced to rotate, the rotating shaft 8 drives the scraper 9 to rotate, thereby the impurities accumulated on the filter screen plate 7 can be scraped and cleaned, the impurities after scraping and cleaning are discharged through the impurity discharge port 15, the filter screen plate 7 can be regularly cleaned, the phenomenon that the filter screen plate 7 is blocked is avoided, and the filtering effect is ensured.

[0027] The circumferential surface of the filter cartridge 6 is provided with the impurity discharge port 15, the impurity discharge port 15 is fixedly connected with the limiting slide rails 16 at both sides of the port, and the two limiting slide rails 16 are slidingly assembled with the sealing cover plate 17.

[0028] Please refer to Figure 2 and Figure 5 , the tower body 1 is fixedly connected with two support frames 18, the two support frames 18 are rotatably installed with hollow pipes 19, the bottom ends of the two hollow pipes 19 are connected with spray pipes 20, the spray pipes 20 are assembled with a plurality of spray heads 21, the two hollow pipes 19 are sleeved with third bevel gears 22, the sidewall of the tower body 1 is rotatably installed with two cross rods 23, one end of the two cross rods 23 is sleeved with fourth bevel gears 24, the fourth bevel gears 24 are meshed with the third bevel gears 22, the other end of the two cross rods 23 is sleeved with belt pulleys 25, the two belt pulleys 25 are sleeved with a conveying belt 26, the outer sidewall of the tower body 1 is installed with a second motor 28, the output end of the second motor 28 is installed with a driving gear 29, one end of the lower cross rod 23 is installed with a driven gear 27, and the driven gear 27 is meshed with the driving gear 29; when the waste gas is sprayed, the circulating pump 2 is started, the spray liquid at the bottom of the tower body 1 is pumped out through the water pump 4, under the action of the filter screen plate 7, the impurities in the spray liquid can be effectively intercepted, the spray liquid without impurities flows into the hollow pipe 19 through the conveying pipeline 5, then flows into the spray pipe 20, and finally is sprayed out through the spray head 21, the second motor 28 is started, the driving gear 29 is rotated, the driven gear 27 is forced to rotate, the two belt pulleys 25 are rotated under the cooperation of the conveying belt 26, the two cross rods 23 drive the two fourth bevel gears 24 to rotate, the third bevel gears 22 are forced to rotate, and the hollow pipes 19 drive the spray pipes 20 and the spray heads 21 to rotate, thereby the spraying range of the spray heads 21 can be continuously adjusted, the spraying is more uniform, and the desulfurization efficiency is improved.

[0029] The fourth bevel gear 24 is covered with a shell 30 on the outer surface of the third bevel gear 22, and the shell 30 is fixed on the support frame 18, the outer side of the tower body 1 is provided with a protective cover 31, and the driven gear 27, the driving gear 29 and the conveyor belt 26 are all arranged in the protective cover 31; when the device is used, the shell 30 can prevent moisture from entering and ensure the normal operation of the gear transmission part, and the protective cover 31 can prevent the operator from touching the gear transmission area by mistake and avoid safety accidents.

[0030] Please refer to Figures 1-2 As shown in the drawings, the tower body 1 is provided with two grid plates 32, the upper part of each of the two grid plates 32 is provided with a filler layer 33, and the tower body 1 is provided with three observation openings 36, and each of the observation openings 36 is encapsulated with transparent glass; when the device is used, the filler layer 33 can increase the contact area between the waste gas and the spraying liquid, so that the sulfur oxides in the waste gas can be more fully contacted with the desulfurization liquid and react, thereby improving the desulfurization efficiency, and the observation opening 36 can be used to observe and monitor the running condition in the tower in real time.

[0031] The circumferential surface of the tower body 1 is connected with an air inlet pipe 34 at the bottom end, and the top end of the tower body 1 is connected with an air outlet pipe 35; when the device is used, the air inlet pipe 34 can be used to facilitate the waste gas to flow into the desulfurization tower through the air inlet pipe 34, and the air outlet pipe 35 can be used to facilitate the purified gas to be discharged through the air outlet pipe 35.

[0032] Working principle: due to the above-mentioned industrial waste gas high efficiency desulfurization tower still exists some problems in use, in the process of spray liquid recycling, due to lack of effective filtering mechanism, can't remove the impurities and particulate matter in time, lead to impurities accumulation, the accumulation of impurities and particulate matter can reduce the reaction efficiency of spray liquid and sulfur dioxide in waste gas, thereby affecting the desulfurization effect, impurities and particulate matter in spray liquid deposition in pipeline, easy to cause pipeline blockage, pipeline blockage will not only affect the circulation efficiency of spray liquid, also can cause equipment failure and downtime extension;Therefore, aiming at the above problems, a kind of waste gas spray desulfurization tower is proposed;In the process of spray liquid recycling, in order to effectively remove the impurities and particulate matter contained in the spray liquid, by setting filter screen 7, can effectively intercept and remove the impurities and particulate matter contained in the spray liquid, ensure that the spray liquid remains clean, clean spray liquid can more effectively react with sulfur dioxide in waste gas, thereby improving the desulfurization stability effect, at the same time, can also avoid the blockage of pipeline, ensure the normal operation of spray system;After using the device for a period of time, in order to avoid the blockage of filter screen 7, by setting scraping cleaning mechanism, start the first motor 11, make the second bevel gear 13 rotate, force the first bevel gear 10 rotate, and then make the rotating shaft 8 drive the scraper 9 rotate, so as to scrape and clean the impurities accumulated on the filter screen 7, the impurities after scraping and cleaning are discharged through the impurity discharge port 15, so as to periodically clean the filter screen 7, avoid the blockage of filter screen 7, ensure the filtering effect;

[0033] In the process of spray treatment of waste gas, start the circulating pump 2, make the spray liquid at the bottom of the tower body 1 be pumped out through the water pump 4, under the action of the filter screen 7, the impurities in the spray liquid can be effectively intercepted, make the spray liquid without impurities flow into the hollow tube 19 through the conveying pipeline 5, then flow into the spray pipe 20, and finally be sprayed out through the nozzle 21, at the same time, start the second motor 28, make the driving gear 29 rotate, force the driven gear 27 rotate, under the cooperation of the conveyor belt 26, make the two belt pulleys 25 rotate, make the two fourth bevel gears 24 rotate, force the third bevel gear 22 rotate, and then make the hollow tube 19 drive the spray pipe 20 and the nozzle 21 rotate, so as to constantly adjust the spray range of the nozzle 21, make the spray more uniform, improve the desulfurization efficiency.

[0034] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A waste gas spray desulfurization tower, characterized in that: The system includes a tower body (1), a circulating pump (2) is provided on the side of the tower body (1), a support base (3) is fixed to the bottom of the circulating pump (2), a water pumping pipe (4) is connected to the input port of the circulating pump (2), and the other end of the water pumping pipe (4) is connected to the tower body (1). A conveying pipe (5) is connected to the output port of the circulating pump (2), and the two outlets of the conveying pipe (5) are rotatably connected to the top end of a hollow pipe (19). A filter cylinder (6) is connected to the water pumping pipe (4), a filter screen plate (7) is provided inside the filter cylinder (6), and a rotating shaft (8) is rotatably mounted on the filter screen plate (7). A scraper (9) is fixed to one end of the rotating shaft (8), and the scraper (9) is in contact with the surface of the filter screen plate (7). 8) The other end is fitted with a first bevel gear (10), the top of the circumferential surface of the filter cylinder (6) is fitted with a first motor (11), the output end of the first motor (11) is connected to a rotating rod (12), the bottom end of the rotating rod (12) is fitted with a second bevel gear (13), and the first bevel gear (10) and the second bevel gear (13) mesh with each other. The outer surfaces of the first bevel gear (10) and the second bevel gear (13) are covered with a protective shell (14), the bottom end of the protective shell (14) is fixedly connected with a support rod, the bottom end of the circumferential surface of the filter cylinder (6) is provided with a discharge port (15), and both sides of the discharge port (15) are fixedly connected with limit slide rails (16), and the two limit slide rails (16) are fitted with a sealing cover plate (17).

2. The waste gas spray desulfurization tower according to claim 1, characterized in that: The tower body (1) has two support frames (18) fixedly connected inside. Hollow tubes (19) are rotatably installed on both support frames (18). Spray pipes (20) are connected to the bottom ends of both hollow tubes (19). Multiple nozzles (21) are installed on the spray pipes (20). A third bevel gear (22) is fitted on both hollow tubes (19).

3. The waste gas spray desulfurization tower according to claim 1, characterized in that: Two crossbars (23) are rotatably mounted on the side wall of the tower body (1). One end of each crossbar (23) is fitted with a fourth bevel gear (24), and the fourth bevel gear (24) meshes with the third bevel gear (22). The other end of each crossbar (23) is fitted with a pulley (25), and the two pulleys (25) are fitted with a conveyor belt (26). The outer surfaces of the fourth bevel gear (24) and the third bevel gear (22) are covered with a shell (30), and the shell (30) is fixed to the support frame (18).

4. The waste gas spray desulfurization tower according to claim 1, characterized in that: A second motor (28) is installed on the outer wall of the tower body (1). A drive gear (29) is installed at the output end of the second motor (28). A driven gear (27) is installed at one end of the crossbar (23) located below. The driven gear (27) meshes with the drive gear (29). A protective cover (31) is installed on the outer side of the tower body (1). The driven gear (27), the drive gear (29) and the conveyor belt (26) are all located inside the protective cover (31).

5. The waste gas spray desulfurization tower according to claim 1, characterized in that: The tower body (1) is provided with two grid plates (32), and a packing layer (33) is provided above each of the two grid plates (32). The tower body (1) is provided with three observation ports (36), and each observation port (36) is encapsulated with transparent glass.

6. The waste gas spray desulfurization tower according to claim 1, characterized in that: An air inlet pipe (34) is connected to the bottom of the circumferential surface of the tower body (1), and an exhaust pipe (35) is connected to the top of the tower body (1).

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