Desulfurization equipment convenient to overhaul

Abstract

The utility model relates to the technical field of environmental protection, in particular to desulfurization equipment convenient to maintain, which can firstly filter flue gas when the flue gas is desulfurized, prevents solid impurities in the flue gas from blocking a spraying device, and is convenient to use and high in reliability and practicability. Comprising a bottom plate, a support, a barrel, a tower body and an exhaust pipe, the barrel is fixedly installed at the upper end of the bottom plate through the support, a cavity is formed in the barrel, the tower body is fixedly installed on the bottom plate, a cavity is formed in the tower body, and the exhaust pipe communicated with the cavity is arranged at the upper end of the tower body; the device further comprises an induced draft fan, a gas conveying pipe, a filtering mechanism, a conveying mechanism and a spraying mechanism, the induced draft fan is installed on the barrel, the output end of the induced draft fan is communicated with the cavity of the barrel through the gas conveying pipe, the filtering mechanism is installed in the cavity of the barrel, and the filtering mechanism has a filtering function.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a desulfurization device which is easy to repair. Background Art

[0002] Desulfurization equipment is a device used to desulfurize flue gas, which is widely used in the field of environmental protection. In some thermal power plants, coal is usually used to provide energy for power generation. The flue gas generated during the combustion process will contain a large amount of sulfur dioxide. If it is not desulfurized and directly discharged into the outside air, these sulfur dioxides will pollute the air.

[0003] In the prior art, a utility model patent with patent application number 201320362304.3 discloses a flue gas desulfurization tower, which is mainly composed of a tower body and a spraying device, and the spraying circulation device is installed in the tower body; when it is used, the flue gas is introduced into the tower body, and then the adsorbent is sprayed into the tower body through the spraying circulation device, so that the adsorbent absorbs the sulfide in the flue gas and then falls to the lower part of the tower body, and then the adsorbent enters the spraying device again at the lower part of the tower body and is sprayed into the tower body; the inventor believes that there are the following problems in its use: when desulfurizing the flue gas, the flue gas is directly introduced into the tower body to contact with the adsorbent, and the flue gas contains not only sulfide gas, but also some floating solid impurities, which are easy to enter the pipeline system of the spraying device through the adsorbent, and are easy to cause blockage, resulting in inconvenience in use and poor reliability. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a desulfurization equipment which can first filter the flue gas when desulfurizing the flue gas, thereby preventing solid impurities in the flue gas from clogging the spraying device, and is easy to use, reliable, practical, and easy to maintain.

[0005] The utility model is a desulfurization device that is easy to maintain, comprising a base plate, a bracket, a cylinder, a tower body and an exhaust pipe. The cylinder body is fixedly mounted on the upper end of the base plate through the bracket, a chamber is arranged in the cylinder body, the tower body is fixedly mounted on the base plate, a cavity is arranged in the tower body, and an exhaust pipe communicating with the cavity is arranged at the upper end of the tower body; the utility model also comprises an induced draft fan, an air delivery pipe, a filtering mechanism, a conveying mechanism and a spraying mechanism. The induced draft fan is mounted on the cylinder body, the output end of the induced draft fan is communicated with the chamber of the cylinder body through the air delivery pipe, the filtering mechanism is mounted in the chamber of the cylinder body, the filtering mechanism has a filtering function, the right end of the filtering mechanism is communicated with the conveying mechanism, the conveying mechanism is communicated with the filtering mechanism and the cavity of the tower body, and the conveying mechanism has a conveying function. The tower body has the functions of gas and liquid, and the spraying mechanism is installed on the tower body, and the spraying mechanism has the spraying function; when it is necessary to desulfurize the flue gas, turn on the induced draft fan to allow the flue gas to enter the chamber of the cylinder through the induced draft fan and the gas pipe, and then the flue gas is filtered out of solid impurities through the filtering mechanism and then enters the cavity of the tower body through the conveying mechanism, and then the adsorbent is sprayed into the cavity of the tower body through the spraying mechanism, so that the adsorbent adsorbs the sulfur dioxide in the flue gas, and then the clean gas is discharged through the exhaust pipe; when desulfurizing the flue gas, the flue gas can be filtered first to prevent the solid impurities in the flue gas from clogging the spraying device, which is easy to use and has high reliability and practicality.

[0006] Preferably, the spraying mechanism includes a water pump A and a spraying pipe, the water pump A is fixedly mounted on the bottom plate, the input end of the water pump A is connected to the lower part of the tower body cavity, the lower part of the tower body cavity is provided with an adsorbent, the output end of the water pump A is connected to the spraying pipe, the output end of the spraying pipe is provided with a nozzle, and the output end of the nozzle is located at the upper part of the tower body cavity; when the flue gas enters the cavity of the tower body, the water pump A is turned on, so that the adsorbent in the lower part of the tower body cavity enters the nozzle through the spraying pipe and is sprayed into the cavity of the tower body, so that the adsorbent contacts the flue gas, and the adsorbent absorbs the sulfur dioxide in the flue gas; the desulfurization of the flue gas is facilitated.

[0007] Preferably, the filtering mechanism comprises a rotating shaft, a driving motor, a filter cartridge, a conveying pipe and a rotating joint. The rotating shaft is rotatably mounted on the left part of the cylinder, the left end of the rotating shaft is connected to the driving motor, the driving motor is fixedly mounted on the cylinder, the filter cartridge is fixedly mounted on the right end of the rotating shaft, a filter chamber is arranged in the filter cartridge, a plurality of groups of filter holes communicating with the filter chamber are arranged on the filter cartridge, the filter cartridge is located in the chamber of the cylinder, the left end of the conveying pipe is communicated with the filter chamber of the filter cartridge, the conveying pipe is rotatably mounted on the right part of the cylinder, the right end of the conveying pipe is connected to the rotating joint, the rotating joint is communicated with the conveying mechanism, and the rotating shaft, the conveying pipe and the filter cartridge are coaxial; when the flue gas enters the chamber of the cylinder, the flue gas is filtered through the filter holes on the filter cartridge and then enters the conveying mechanism via the conveying pipe and the rotating joint, and then enters the tower body via the conveying mechanism for desulfurization; the filtering of the flue gas by the filter cartridge reduces dust and solid floating matter in the flue gas, thereby improving reliability.

[0008] Preferably, it also includes a hydraulic cylinder, a push rod, a sliding rod and a support plate, the hydraulic cylinder is fixedly mounted on the bottom plate, the output end of the hydraulic cylinder is connected to the push rod, the push rod and the sliding rod are both slidably mounted on the cylinder body up and down, the support plate is fixedly mounted on the upper ends of the push rod and the sliding rod, a brush is provided on the upper end of the support plate, the support plate is located in the chamber of the cylinder body, and the brush is located below the filter cartridge; when it is necessary to clean the solid impurities attached to the filter cartridge, the hydraulic cylinder is turned on, the hydraulic cylinder raises the support plate through the push rod, and the support plate drives the brush to rise until the brush contacts the outer wall of the filter cartridge, and then the drive motor is turned on, the drive motor rotates the filter cartridge through the rotating shaft, and the rotating filter cartridge is evenly brushed off by the brush to remove the solid impurities on the outer wall of the filter cartridge; this facilitates the cleaning of the solid impurities on the outer wall of the filter cartridge and improves convenience.

[0009] Preferably, the conveying mechanism includes a connecting pipe, a water pipe, an air outlet pipe, a water pump B, a liquid conveying pipe, a water tank and a water inlet pipe, the upper part of the connecting pipe is connected to the rotary joint, the water pipe and the air outlet pipe are both connected to the lower part of the connecting pipe, valves are provided on the water pipe and the air outlet pipe, the output end of the air outlet pipe is connected to the cavity of the tower body, the water pump B is provided with two groups of output ends, one group of output ends of the water pump B is connected to the input end of the water pipe, the other group of output ends of the water pump B is connected to the lower part of the tower body cavity through the water inlet pipe, the input end of the water pump B is connected to the water tank through the liquid conveying pipe, a valve is provided on the water inlet pipe, a feeding pipe connected to the cavity is provided on the tower body, and a valve is provided on the feeding pipe; when it is necessary to desulfurize the flue gas, the valves on the water pipe and the water inlet pipe are closed, and the valve on the air outlet pipe is opened, so that the flue gas enters the cavity of the tower body through the filter cartridge, the conveying pipe, the rotary joint, the connecting pipe and the air outlet pipe for desulfurization; when When it is necessary to clean the solid impurities on the filter holes of the filter cartridge, close the valves on the air outlet pipe and the water inlet pipe, open the valve on the water delivery pipe, and then turn on the water pump B, so that the water in the water tank enters the filter cavity of the filter cartridge through the liquid delivery pipe, water pump B, water delivery pipe, connecting pipe, rotary joint and liquid delivery pipe in sequence, and then the water flows out through the filter holes in the filter cavity of the filter cartridge, and the solid impurities in the filter holes of the filter cartridge are washed down when the water flows out of the filter cartridge; it is convenient to clean the solid impurities on the filter cartridge; when it is necessary to add adsorbent to the cavity of the tower body, close the valves on the water delivery pipe and the air outlet pipe, open the valve on the water inlet pipe, and then allow clean water to enter the cavity of the tower body through the water tank, liquid delivery pipe, water pump B and water inlet pipe, and then add limestone powder to the cavity of the tower body through the feeding pipe, so that the limestone powder and water are mixed into alkali solution, and the alkali solution is used as an adsorbent to adsorb sulfur dioxide in the flue gas; it is convenient to transport gas and liquid.

[0010] Preferably, it also includes a drain pipe, the lower part of the cylinder is provided with a drain pipe connected to the chamber, and a valve is provided on the drain pipe; when flushing solid impurities on the filter cartridge, the valve on the drain pipe is opened to discharge the flushed sewage and impurities to the outside through the drain pipe; the discharge of sewage is convenient.

[0011] Preferably, the cylinder is provided with an inspection port communicating with the chamber, a sealing cover is provided outside the inspection port, and the sealing cover is installed on the outside of the inspection port by bolts; the above arrangement facilitates the inspection and maintenance of the equipment in the cylinder chamber.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when desulfurizing the flue gas, the flue gas can be filtered first, so that solid impurities in the flue gas are prevented from clogging the spraying device, and the utility model is easy to use and has high reliability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 3 It is a structural diagram of the filtering mechanism and the conveying mechanism;

[0016] Figure 4 It is a schematic diagram of the structure of the brush, hydraulic cylinder and push rod;

[0017] Figure 5 It is a main structural diagram of the utility model.

[0018] Markings in the attached drawings: 1. base plate; 2. bracket; 3. cylinder; 4. tower body; 5. exhaust pipe; 6. induced draft fan; 7. air pipe; 8. water pump A; 9. spray pipe; 13. rotating shaft; 14. driving motor; 15. filter cartridge; 16. delivery pipe; 17. rotating joint; 18. hydraulic cylinder; 19. push rod; 20. sliding rod; 21. support plate; 22. connecting pipe; 23. water pipe; 24. air outlet pipe; 25. water pump B; 26. liquid delivery pipe; 27. water tank; 28. water inlet pipe; 29. ​​sewage pipe. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] like Figures 1 to 5 The desulfurization equipment of the utility model includes a base plate 1, a bracket 2, a cylinder 3, a tower body 4, an exhaust pipe 5, an induced draft fan 6, an air pipe 7, a filtering mechanism, a conveying mechanism and a spraying mechanism. The cylinder 3 is fixedly mounted on the upper end of the base plate 1 through the bracket 2. A chamber is arranged in the cylinder 3. The tower body 4 is fixedly mounted on the base plate 1. A cavity is arranged in the tower body 4. An exhaust pipe 5 communicating with the cavity is arranged on the upper end of the tower body 4. The induced draft fan 6 is mounted on the cylinder 3. The output end of the induced draft fan 6 is communicated with the chamber of the cylinder 3 through the air pipe 7. The filtering mechanism is mounted in the chamber of the cylinder 3. The filtering mechanism has a filtering function. The right end of the filtering mechanism is communicated with the conveying mechanism. The conveying mechanism is communicated with the filtering mechanism and the cavity of the tower body 4. The conveying mechanism It has the function of conveying gas and liquid. The spraying mechanism is installed on the tower body 4, and the spraying mechanism has a spraying function. When it is necessary to desulfurize the flue gas, turn on the induced draft fan 6 to allow the flue gas to enter the chamber of the cylinder 3 through the induced draft fan 6 and the gas pipe 7. After that, the flue gas is filtered out of solid impurities through the filtering mechanism and then enters the cavity of the tower body 4 through the conveying mechanism. Then, the adsorbent is sprayed into the cavity of the tower body 4 through the spraying mechanism, so that the adsorbent adsorbs sulfur dioxide in the flue gas, and then the clean gas is discharged through the exhaust pipe 5. When desulfurizing the flue gas, it can first filter the flue gas to prevent solid impurities in the flue gas from clogging the spraying device. It is easy to use and has high reliability and practicality.

[0022] like Figure 1 The spraying mechanism includes a water pump A8 and a spraying pipe 9. The water pump A8 is fixedly installed on the bottom plate 1. The input end of the water pump A8 is communicated with the lower part of the cavity of the tower body 4. The lower part of the cavity of the tower body 4 is provided with an adsorbent. The output end of the water pump A8 is connected to the spraying pipe 9. The output end of the spraying pipe 9 is provided with a nozzle. The output end of the nozzle is located at the upper part of the cavity of the tower body 4. When the flue gas enters the cavity of the tower body 4, the water pump A8 is turned on to allow the adsorbent in the lower part of the cavity of the tower body 4 to enter the nozzle through the spraying pipe 9 and be sprayed into the cavity of the tower body 4, so that the adsorbent contacts the flue gas and absorbs the sulfur dioxide in the flue gas. This facilitates the desulfurization of the flue gas.

[0023] like Figure 1 and Figure 3The filtering mechanism includes a rotating shaft 13, a driving motor 14, a filter cartridge 15, a delivery pipe 16 and a rotating joint 17. The rotating shaft 13 is rotatably mounted on the left part of the cylinder 3. The left end of the rotating shaft 13 is connected to the driving motor 14. The driving motor 14 is fixedly mounted on the cylinder 3. The filter cartridge 15 is fixedly mounted on the right end of the rotating shaft 13. A filter cavity is arranged in the filter cartridge 15. The filter cartridge 15 is provided with a plurality of filter holes communicating with the filter cavity. The filter cartridge 15 is located in the chamber of the cylinder 3. The left end of the delivery pipe 16 is communicated with the filter cavity of the filter cartridge 15. The delivery pipe 16 It is rotatably installed on the right part of the cylinder 3, the right end of the delivery pipe 16 is connected to the rotary joint 17, the rotary joint 17 is connected to the delivery mechanism, and the rotating shaft 13, the delivery pipe 16 and the filter cartridge 15 are coaxial; when the flue gas enters the chamber of the cylinder 3, the flue gas is filtered through the filter holes on the filter cartridge 15 and then enters the delivery mechanism through the delivery pipe 16 and the rotary joint 17, and then enters the tower body 4 through the delivery mechanism for desulfurization; the filtration of the flue gas by the filter cartridge 15 reduces the dust and solid floating matter in the flue gas, thereby improving the reliability.

[0024] like Figure 1 , Figure 3 and Figure 4 , the hydraulic cylinder 18 is fixedly mounted on the bottom plate 1, the output end of the hydraulic cylinder 18 is connected to the push rod 19, the push rod 19 and the sliding rod 20 are both slidably mounted on the cylinder 3 up and down, the support plate 21 is fixedly mounted on the upper ends of the push rod 19 and the sliding rod 20, the upper end of the support plate 21 is provided with a brush, the support plate 21 is located in the chamber of the cylinder 3, and the brush is located below the filter cartridge 15; when it is necessary to clean the solid impurities attached to the filter cartridge 15, the hydraulic cylinder 18 is turned on, the hydraulic cylinder 18 raises the support plate 21 through the push rod 19, and the support plate 21 drives the brush to rise until the brush contacts the outer wall of the filter cartridge 15, then the drive motor 14 is turned on, the drive motor 14 rotates the filter cartridge 15 through the rotating shaft 13, and the rotating filter cartridge 15 is evenly brushed off by the brush to remove the solid impurities on the outer wall of the filter cartridge 15; it is convenient to clean the solid impurities on the outer wall of the filter cartridge 15 and improves convenience.

[0025] like Figure 1 and Figure 3The conveying mechanism includes a connecting pipe 22, a water pipe 23, an air outlet pipe 24, a water pump B25, a liquid conveying pipe 26, a water tank 27 and a water inlet pipe 28. The upper part of the connecting pipe 22 is connected to the rotary joint 17, the water pipe 23 and the air outlet pipe 24 are both connected to the lower part of the connecting pipe 22, valves are provided on the water pipe 23 and the air outlet pipe 24, the output end of the air outlet pipe 24 is connected to the cavity of the tower body 4, and the water pump B25 is provided with two groups of output ends, one group of output ends of the water pump B25 is connected to the input end of the water pipe 23, and the other group of output ends of the water pump B25 is connected to the input end of the water pipe 23. The output end is connected to the lower part of the cavity of the tower body 4 through the water inlet pipe 28, and the input end of the water pump B25 is connected to the water tank 27 through the liquid delivery pipe 26. A valve is provided on the water inlet pipe 28. A feeding pipe connected to the cavity is provided on the tower body 4, and a valve is provided on the feeding pipe. When the flue gas needs to be desulfurized, the valves on the water delivery pipe 23 and the water inlet pipe 28 are closed, and the valve on the gas outlet pipe 24 is opened, so that the flue gas enters the cavity of the tower body 4 through the filter cartridge 15, the delivery pipe 16, the rotary joint 17, the connecting pipe 22 and the gas outlet pipe 24 for desulfurization. When it is necessary to clean the solid impurities on the filter holes of the filter cartridge 15, close the valves on the air outlet pipe 24 and the water inlet pipe 28, open the valve on the water delivery pipe 23, and then turn on the water pump B25, so that the water in the water tank 27 enters the filter cavity of the filter cartridge 15 through the liquid delivery pipe 26, the water pump B25, the water delivery pipe 23, the connecting pipe 22, the rotary joint 17 and the liquid delivery pipe 26 in sequence, and then the water flows out through the filter holes in the filter cavity of the filter cartridge 15, and the solid impurities in the filter holes of the filter cartridge 15 are washed down when the water flows out of the filter cartridge 15. That is it; it is convenient to clean the solid impurities on the filter cartridge 15; when it is necessary to add adsorbent to the cavity of the tower body 4, close the valves on the water delivery pipe 23 and the air outlet pipe 24, open the valve on the water inlet pipe 28, and then allow clean water to enter the cavity of the tower body 4 through the water tank 27, the liquid delivery pipe 26, the water pump B25 and the water inlet pipe 28, and then add limestone powder to the cavity of the tower body 4 through the feeding pipe, mix the limestone powder with water into alkali solution, and use the alkali solution as an adsorbent to adsorb sulfur dioxide in the flue gas; it is convenient to transport gas and liquid.

[0026] like Figure 5 A sewage pipe 29 communicating with the chamber is provided at the lower part of the cylinder 3, and a valve is provided on the sewage pipe 29; when flushing the solid impurities on the filter cartridge 15, the valve on the sewage pipe 29 is opened to discharge the flushed sewage and impurities to the outside through the sewage pipe 29; the discharge of sewage is convenient.

[0027] The cylinder 3 is provided with an inspection port communicating with the chamber, and a sealing cover is provided outside the inspection port, and the sealing cover is installed on the outside of the inspection port by bolts; the above arrangement facilitates the inspection and maintenance of the equipment in the chamber of the cylinder 3.

[0028] Example 2

[0029] On the basis of Example 1, a stirring shaft and stirring blades are provided at the lower part of the tower body 4 cavity; after limestone powder is added to the lower part of the tower body 4 cavity and mixed with water, the stirring shaft drives the stirring blades to rotate through an external motor to promote the mixing of water and limestone powder.

[0030] The induced draft fan 6, water pump A8, rotary joint 17, hydraulic cylinder 18, support plate 21 and water pump B25 of the desulfurization equipment which is easy to maintain of the utility model are all purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0031] 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 device that is easy to maintain, comprising a base plate (1), a bracket (2), a cylinder (3), a tower body (4) and an exhaust pipe (5), wherein the cylinder body (3) is fixedly mounted on the upper end of the base plate (1) through the bracket (2), a chamber is arranged in the cylinder body (3), the tower body (4) is fixedly mounted on the base plate (1), a cavity is arranged in the tower body (4), and an exhaust pipe (5) communicating with the cavity is arranged at the upper end of the tower body (4); characterized in that: It also includes an induced draft fan (6), an air delivery pipe (7), a filtering mechanism, a conveying mechanism and a spraying mechanism, wherein the induced draft fan (6) is mounted on the cylinder (3), the output end of the induced draft fan (6) is connected to the chamber of the cylinder (3) through the air delivery pipe (7), the filtering mechanism is mounted in the chamber of the cylinder (3), the filtering mechanism has a filtering function, the right end of the filtering mechanism is connected to the conveying mechanism, the conveying mechanism is connected to the cavity of the filtering mechanism and the tower body (4), the conveying mechanism has a function of conveying gas and liquid, and the spraying mechanism is mounted on the tower body (4), the spraying mechanism has a spraying function; The spraying mechanism comprises a water pump A (8) and a spraying pipe (9), the water pump A (8) being fixedly mounted on the bottom plate (1), the input end of the water pump A (8) being communicated with the lower part of the cavity of the tower body (4), the lower part of the cavity of the tower body (4) being provided with an adsorbent, the output end of the water pump A (8) being connected with the spraying pipe (9), the output end of the spraying pipe (9) being provided with a spray head, the output end of the spray head being located at the upper part of the cavity of the tower body (4); The filtering mechanism comprises a rotating shaft (13), a driving motor (14), a filter cartridge (15), a delivery pipe (16) and a rotating joint (17); the rotating shaft (13) is rotatably mounted on the left part of the cylinder (3); the left end of the rotating shaft (13) is connected to the driving motor (14); the driving motor (14) is fixedly mounted on the cylinder (3); the filter cartridge (15) is fixedly mounted on the right end of the rotating shaft (13); a filter cavity is arranged in the filter cartridge (15); a plurality of filter holes communicating with the filter cavity are arranged on the filter cartridge (15); the filter cartridge (15) is located in the chamber of the cylinder (3); the left end of the delivery pipe (16) is communicated with the filter cavity of the filter cartridge (15); the delivery pipe (16) is rotatably mounted on the right part of the cylinder (3); the right end of the delivery pipe (16) is connected to the rotating joint (17); the rotating joint (17) is communicated with the delivery mechanism; the rotating shaft (13), the delivery pipe (16) and the filter cartridge (15) are coaxial.

2. A desulfurization equipment that is easy to maintain as claimed in claim 1, characterized in that: It also comprises a hydraulic cylinder (18), a push rod (19), a sliding rod (20) and a support plate (21), wherein the hydraulic cylinder (18) is fixedly mounted on the bottom plate (1), the output end of the hydraulic cylinder (18) is connected to the push rod (19), the push rod (19) and the sliding rod (20) are both slidably mounted on the cylinder (3) up and down, the support plate (21) is fixedly mounted on the upper ends of the push rod (19) and the sliding rod (20), a brush is arranged on the upper end of the support plate (21), the support plate (21) is located in the chamber of the cylinder (3), and the brush is located below the filter cartridge (15).

3. A desulfurization equipment that is easy to maintain as claimed in claim 2, characterized in that: The conveying mechanism comprises a connecting pipe (22), a water delivery pipe (23), an air outlet pipe (24), a water pump B (25), a liquid delivery pipe (26), a water tank (27) and a water inlet pipe (28); the upper portion of the connecting pipe (22) is in communication with the rotary joint (17); the water delivery pipe (23) and the air outlet pipe (24) are both in communication with the lower portion of the connecting pipe (22); valves are provided on the water delivery pipe (23) and the air outlet pipe (24); the output end of the air outlet pipe (24) is in communication with the cavity of the tower body (4); The water pump B (25) is connected to the tower body (4), and two groups of output ends are provided on the water pump B (25). One group of output ends of the water pump B (25) is connected to the input end of the water delivery pipe (23). The other group of output ends of the water pump B (25) is connected to the lower part of the cavity of the tower body (4) through the water inlet pipe (28). The input end of the water pump B (25) is connected to the water tank (27) through the liquid delivery pipe (26). The water inlet pipe (28) is provided with a valve. The tower body (4) is provided with a feeding pipe connected to the cavity, and the feeding pipe is provided with a valve.

4. The desulfurization equipment that is easy to maintain as claimed in claim 1, characterized in that: It also comprises a sewage discharge pipe (29); the lower part of the cylinder (3) is provided with a sewage discharge pipe (29) which is in communication with the chamber; and a valve is provided on the sewage discharge pipe (29).

5. The desulfurization equipment that is easy to maintain as claimed in claim 1, characterized in that: The cylinder (3) is provided with an inspection port communicating with the chamber, and a sealing cover is provided outside the inspection port, and the sealing cover is installed on the outside of the inspection port by means of bolts.

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