Large desulfurizing tower device

Abstract

The utility model relates to a large-scale desulfurization tower device, which belongs to the field of desulfurization and comprises a desulfurization component, a desulfurization part and a desulfurization part, the waste residue discharging part is used for discharging waste residues; the platform component is used for safe operation of operators and auxiliary fixation of the desulfurization component; the waste residue conveying part is used for conveying the waste residues from the desulfurization part to a waste residue treatment area; the gas outlet pipe component is used for discharging the desulfurized gas out of the desulfurizing tower; the gas inlet pipe component is used for introducing gas to be desulfurized into the desulfurizing tower; the basic part is used for supporting the desulfurization part, the waste residue discharging part, the platform part, the waste residue conveying belt part, the gas outlet pipe part and the gas inlet pipe part. The desulfurization tower has the advantages that the multi-stage desulfurization unit design is adopted, so that the desulfurization efficiency can be improved, and gas can be fully contacted with a desulfurizing agent when passing through the desulfurization tower, so that sulfur dioxide can be more effectively removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a large -scale desulfurization tower device belongs to the desulfurization field. BACKGROUND

[0002] Large -scale desulfurization tower is used for the equipment of marsh gas or flue gas desulfurization, mainly used for reducing the content of sulfur in marsh gas, also can reduce the content of sulfur dioxide that industrial facilities such as coal -fired power plant discharge. China is one of the largest coal consumption countries in the world, and the demand for desulfurization technology is huge. The manufacturing technology of domestic large -scale desulfurization tower gradually improves, and the application range expands. Developed countries and some emerging economies are also vigorously promoting the desulfurization work of coal -fired power plants, and large -scale desulfurization towers are widely used abroad, with high technical level. Large -scale desulfurization tower field is developing towards high efficiency, energy saving and environmental protection, and the desulfurization efficiency is improved through technical innovation, and the energy consumption and emissions are reduced. The development of large -scale desulfurization tower will pay more attention to environmental protection and sustainable development, and make progress in reducing sulfur dioxide emissions, reducing solid waste generation and other aspects. The equipment design will more consider the comprehensive utilization of waste water and solid waste generated by waste, for example.

[0003] The existing desulfurization tower has the following disadvantages:

[0004] Large occupation area, high operation cost: some desulfurization technologies such as seawater desulfurization method, ammonium phosphate complex fertilizer method, etc. due to its process characteristics, need larger occupation area, and the operation cost is relatively high.

[0005] Waste water treatment is difficult, easy to corrode, and chimney rain phenomenon appears: some desulfurization technologies in the running process can produce difficult to handle waste water, and the corrosion problem of equipment is also more serious, especially when the flue gas contains chloride ions and other corrosive substances, chimney rain phenomenon may also appear, which affects the surrounding environment.

[0006] Low utilization rate of by-products, complex recovery process and large investment: the utilization rate of by-products such as MgSO3 and a small amount of MgSO4 of some desulfurization technologies is low, the recovery process is complex, and large investment is needed, if discarded directly, it will also cause secondary pollution.

[0007] Low desulfurization efficiency: the desulfurization efficiency of part of desulfurization technology such as rotary spray drying method (SDA) is not high, the calcium sulfur ratio is high, the absorbent consumption is fast, which leads to the increase of operation cost.

[0008] In summary, the development trend of large -scale desulfurization tower at home and abroad is towards the direction of more intelligent, environmental protection and high efficiency, to meet the growing demand for environmental protection and the requirements of sustainable development. CONTENT OF THE UTILITY MODEL

[0009] For the purpose of protecting the environment, promoting sustainable development, improving technology and responding to climate change, etc. It is helpful to improve environmental quality, promote industrial development and upgrading, and achieve sustainable economic, social and environmental development. The utility model provides a kind of large desulfurization tower device, and the technical scheme of the utility model is:

[0010] A large desulfurization tower device, comprising: a desulfurization component for removing sulfur dioxide from a gas; a waste residue discharge component for discharging waste residue; a platform component for safe operation of operators and auxiliary fixation of the desulfurization component;

[0011] A waste residue conveying component for conveying waste residue from the desulfurization component to a waste residue treatment area; an air outlet pipe component for discharging desulfurized gas from the desulfurization tower; an air inlet pipe component for introducing gas to be desulfurized into the desulfurization tower; and a foundation component for supporting the desulfurization component, the waste residue discharge component, the platform component, the waste residue conveying belt component, the air outlet pipe component and the air inlet pipe component.

[0012] The desulfurization component comprises a plurality of desulfurization units arranged in series and connected in sequence, and is arranged in a vertical direction. A bottom foot, a desulfurization gas inlet and a drain are installed on the lowermost desulfurization unit. A desulfurization unit gas outlet is provided on the uppermost desulfurization unit. Each desulfurization unit comprises a cylinder body. A desulfurizer feed inlet, an observation window and a waste residue outlet are provided on the cylinder body. The desulfurizer feed inlet is inclined and arranged at the upper part of the cylinder body. The observation window and the waste residue outlet are located at the lower part of the cylinder body. A bolt box is provided on the cylinder body adjacent to the waste residue outlet. A storage disc bracket is provided inside each cylinder body. A storage disc is installed on the storage disc bracket. The storage disc is flush with the waste residue outlet. A platform support ring is provided on the periphery of the cylinder body.

[0013] The waste residue discharge component comprises a residue discharge hopper, a waste residue pipe and a pipe cleaning port. Residue discharge hoppers are provided on the top and side of the waste residue pipe. A cover plate is installed on each residue discharge hopper. A plurality of pipe cleaning ports are provided on the side of the waste residue pipe. A support ring connected to the platform component is installed at the bottom of the waste residue pipe. A bracket fixedly connected to the cylinder body is also installed at the bottom of the waste residue pipe.

[0014] The platform component comprises vertical ladders, load-bearing columns, floor slabs, railings, lifting mechanisms, transport trolleys and staircases. A plurality of load-bearing columns are arranged around the periphery of the floor slabs to support the floor slabs. All floor slabs are arranged in a vertical direction. Railings are provided on each floor slab. Staircases are installed between adjacent floor slabs. Transport trolleys are placed on each floor slab. Lifting mechanisms and vertical ladders are installed between the uppermost floor slab and the ground.

[0015] The lifting mechanism comprises a hand winch, a steel wire rope, a pulley, a cross beam and a stand, two of the stands are close to the floor, a cross beam is installed at the top of the stands, a plurality of pulleys are installed on the cross beam and along the vertical direction of the stands in sequence, one end of the steel wire rope is connected with a transfer platform of the platform component, and the other end of the steel wire rope is connected with the hand winch through all the pulleys in sequence.

[0016] The hand winch comprises a winch support, a hand crank, a driven gear, a driving pinion, a self-locking device and a winch, the winch and the hand crank are rotatably installed on the winch support, the driven gear is installed on one side of the winch, the driving pinion is installed at the inner end of the hand crank and engaged with the driven gear, the other end of the steel wire rope is connected with the winch, and the self-locking device for self-locking the winch is also installed on the winch support.

[0017] The waste residue conveying component comprises a frame, a conveying belt, an explosion-proof motor and a transmission assembly, the conveying belt is rotatably installed on the frame along the length direction of the frame, the explosion-proof motor is installed on one side of the frame, the explosion-proof motor drives the conveying belt through the transmission assembly, and a protective cover is installed on the upper portion of the frame.

[0018] A plurality of the control valves and the supports are arranged on the gas outlet pipe component and the gas inlet pipe component, the opening or closing of the control valves controls a desulfurization component to be in a non-working state, and the desulfurization component is maintained or replaced with a desulfurizer.

[0019] The advantages of the utility model are:

[0020] Multi-stage desulfurization unit design: through the design of multi-stage desulfurization unit, the desulfurization efficiency can be improved, and the gas can be fully contacted with the desulfurizer when passing through the desulfurization tower, so that the sulfur dioxide is removed more effectively.

[0021] Compact structure, small footprint: the desulfurization unit arranged along the vertical direction can reduce the footprint, so that the desulfurization tower is more compact and suitable for places with limited space.

[0022] Safe and convenient operation: the design of the platform component provides a safe operation platform for the operator, and assists in fixing the desulfurization component, so as to ensure the safety of the operator and the stability of the equipment.

[0023] Convenient waste residue treatment: the design of the waste residue discharge component makes the discharge and cleaning of the waste residue more convenient, reduces the maintenance workload and environmental pollution.

[0024] Easy to observe and maintain: the setting of the observation window enables the operator to directly observe the internal condition of the desulfurization tower, so as to facilitate timely discovery of problems and maintenance.

[0025] Efficient waste residue conveying: the design of the waste residue conveying component can effectively convey the waste residue from the desulfurization component to the waste residue treatment area, improving the efficiency of waste residue treatment.

[0026] Flexible gas in-out control: the control valve on the gas outlet pipe component and the gas inlet pipe component can flexibly control the in-out of gas, facilitating the maintenance or replacement of the desulfurizer of the desulfurization tower.

[0027] Reducing environmental pollution: by controlling the opening or closing of the valve, a desulfurization component can be placed in a non-working state, reducing the impact on the environment during maintenance or replacement of the desulfurizer.

[0028] Adopting modular design and construction technology, simplifying the construction process, shortening the construction period, and reducing investment cost. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the main structure schematic diagram of the utility model.

[0030] Figure 2 is the axial view of the desulfurization component of the utility model.

[0031] Figure 3 is the sectional view of the desulfurization component of the utility model.

[0032] Figure 4 is the axial view of the waste residue discharge component of the utility model.

[0033] Figure 5 is the axial view of the platform component of the utility model.

[0034] Figure 6 is the left view of the platform component of the utility model.

[0035] Figure 7 is the axial view of the hand winch of the utility model.

[0036] Figure 8 is the axial view of the waste residue conveying component of the utility model.

[0037] Figure 8-1 is Figure 8 structure schematic diagram after removing the protective cover.

[0038] Figure 9 is the axial view of the gas outlet pipe component and the gas inlet pipe component of the utility model.

[0039] Figure 10 is the front view of the utility model.

[0040] Figure 11 is the back view of the utility model.

[0041] Figure 12 is the left view of the utility model.

[0042] Figure 13 is the right view of the utility model. DETAILED DESCRIPTION

[0043] The utility model will be more clear with the description of the advantages and characteristics of the utility model. But these examples are only exemplary, and do not constitute any limitation on the scope of the utility model. Those skilled in the art should understand that the details and forms of the technical scheme of the utility model can be modified or replaced without departing from the spirit and scope of the utility model, and these modifications and replacements all fall within the protection scope of the utility model.

[0044] Referring to Figures 1 to 13 The utility model relates to a kind of large desulfurization tower devices, comprising: desulfurization component 1, for removing sulfur dioxide in gas;Waste residue discharge component 2, for the discharge of waste residue;Platform component 3, for the safe operation of operator and the auxiliary fixing of desulfurization component;Waste residue conveying component 5, for conveying waste residue from desulfurization component to waste residue processing area;Gas outlet pipe component 6, for the gas after desulfurization is discharged from desulfurization tower;

[0045] Gas inlet pipe component 7, for the gas to be desulfurized is introduced into desulfurization tower;Foundation component 4, for supporting the desulfurization component, waste residue discharge component, platform component, waste residue conveyor component, gas outlet pipe component and gas inlet pipe component.

[0046] Based on the above structure setting, the following advantages are realized:

[0047] High-efficiency desulfurization: desulfurization component 1 is specially designed for removing sulfur dioxide in gas, which improves the desulfurization efficiency and helps to reduce environmental pollution.

[0048] Convenient waste residue treatment: the design of waste residue discharge component 2 makes the discharge and cleaning of waste residue more convenient, reducing the maintenance workload and environmental pollution.

[0049] Safe operation: platform component 3 provides a safe operation platform for operators, and also assists in fixing the desulfurization component, ensuring the safety of operators and the stability of equipment.

[0050] Automatic waste residue conveying: waste residue conveying component 5 automatically conveys waste residue from desulfurization component to waste residue processing area, improving the efficiency and safety of waste residue treatment.

[0051] Gas flow control: The gas outlet component 6 and the gas inlet component 7 are used to discharge desulfurized gas and introduce gas to be desulfurized, respectively, optimizing the gas flow path and improving desulfurization efficiency.

[0052] Structural stability: The base component 4 is used to support the entire desulfurization tower device, ensuring the structural stability and durability of the device.

[0053] The desulfurization component includes a multi-stage desulfurization unit group, with adjacent desulfurization units connected in sequence and arranged vertically. A bottom foot 9, a desulfurization gas inlet 17, and a drainage outlet 16 are installed on the lowermost desulfurization unit, and a desulfurization unit gas outlet 14 is provided on the uppermost desulfurization unit. Each desulfurization unit includes a cylinder body 10, with a desulfurizer feed inlet 19, an observation window 13, and a waste residue outlet 12 provided on the cylinder body 10. The desulfurizer feed inlet 19 is inclinedly arranged at the upper part of the cylinder body 10 to facilitate the addition of desulfurizer. The observation window 13 and the waste residue outlet 12 are located at the lower part of the cylinder body 10. A bolt box 15 is provided on the cylinder body 10 adjacent to the waste residue outlet 12. An internal storage tray bracket 20 is provided in each cylinder body 10, with a storage tray 18 (for placing desulfurizer) installed on the internal storage tray bracket 20, which is flush with the waste residue outlet 12. A platform support ring 11 is provided on the periphery of the cylinder body 10.

[0054] The above structure achieves:

[0055] Multi-stage desulfurization efficiency improvement: The design of multi-stage desulfurization units allows gas to contact desulfurizer multiple times when passing through the desulfurization tower, thereby improving desulfurization efficiency.

[0056] Compact structure: The vertically arranged desulfurization units reduce the floor area, making the desulfurization tower more compact and suitable for limited space.

[0057] Convenient maintenance and operation: The observation window 13 allows operators to directly observe the internal conditions of the desulfurization tower, facilitating monitoring of the desulfurization process and timely detection of problems.

[0058] Convenient desulfurizer addition: The desulfurizer feed inlet 19 is inclinedly arranged at the upper part of the cylinder body 10, facilitating the addition of desulfurizer and reducing the work intensity of operators.

[0059] Convenient waste residue handling: The waste residue outlet 12 is located at the lower part of the cylinder body 10 and is flush with the storage tray 18, facilitating the cleaning and discharge of waste residue and reducing maintenance workload.

[0060] Stability enhancement: The bottom foot 9 provides stable support for the desulfurization tower, ensuring its stability during operation.

[0061] The waste residue discharge component includes a slag tapping funnel 21, a waste residue pipe 22, and a pipe cleaning port 23. The slag tapping funnel 21 is arranged at the top and side of the waste residue pipe 22. The cover plate 24 is installed on each slag tapping funnel 21. The pipe cleaning port 23 is arranged on the side of the waste residue pipe 22. The support ring 25 is connected to the platform component 3 at the bottom of the waste residue pipe 22. The bracket 26 is fixedly connected to the barrel body 10.

[0062] The waste residue discharge component is arranged to achieve:

[0063] Efficient waste residue discharge: The combination of the slag tapping funnel 21 and the waste residue pipe 22 ensures smooth discharge of waste residue from the desulfurization tower, reducing the residence time of waste residue in the tower and improving waste residue treatment efficiency.

[0064] Prevent environmental pollution: The cover plate 24 on the slag tapping funnel 21 prevents debris or rainwater from entering the waste residue pipe 22, reducing the possibility of environmental pollution and equipment corrosion.

[0065] Convenient cleaning and maintenance: The pipe cleaning port 23 design allows operators to easily clean and maintain the waste residue pipe 22, keeping the pipeline unobstructed and extending the service life of the equipment.

[0066] Structural stability: The support ring 25 and bracket 26 at the bottom of the waste residue pipe 22 provide stable support, ensuring the stability of the waste residue pipe during operation and reducing damage caused by vibration or heavy load.

[0067] Operation safety: The design of the cover plate 24 not only prevents debris from entering, but also provides a certain degree of safety for operators, avoiding the risk of accidental falling into the waste residue pipe.

[0068] Reduce the risk of blockage: The pipe cleaning port 23 arranged on the side can quickly clean the waste residue pipe 22 when it is blocked, reducing production interruptions caused by blockage.

[0069] Convenient waste residue collection: The design of the slag tapping funnel 21 facilitates the collection and subsequent treatment of waste residue, which can be directly guided to the waste residue treatment area.

[0070] Improve work efficiency: The design of the entire waste residue discharge component simplifies the waste residue treatment process, improves work efficiency, and reduces manual operation.

[0071] The platform component 3 includes vertical ladders 27, load-bearing columns 28, floors 29, railings 30, lifting mechanisms 31, transport trolleys 32, and staircases 33. Several load-bearing columns 28 surround the periphery of the floors 29 to support them. All floors 29 are arranged vertically, with railings 30 on each floor 29, staircases 33 between adjacent floors 29, and transport trolleys on each floor 29. The uppermost floor is equipped with lifting mechanisms and vertical ladders 27 between it and the ground.

[0072] The design of the platform component 3 has the following advantages:

[0073] Safe operation: The vertical ladders 27 and staircases 33 provide convenient access for operators, ensuring their safe movement between different floors.

[0074] Structural stability: The load-bearing columns 28 surrounding the periphery of the floors 29 enhance the structural stability and load-bearing capacity of the entire platform, ensuring the safety of operators and equipment.

[0075] Convenient operation: The railings 30 on the floors 29 improve the safety of operators during high-altitude operations, preventing accidental falls.

[0076] Efficient material transportation: The transport trolleys 32 allow materials to be quickly and conveniently transported between floors, improving work efficiency.

[0077] Efficiency of the lifting mechanism: The lifting mechanism 31 (including hand winches, steel wires, pulleys, etc.) allows heavy objects to be safely and efficiently lifted to the platform, reducing the labor intensity and risk of manual handling.

[0078] The lifting mechanism includes hand winches 35, steel wires 36, pulleys 37, crossbeams 38, and columns 40. Two columns 40 are positioned close to the floors 29, with crossbeams 38 installed at the top of the columns 40. Several pulleys 37 are installed on the crossbeams 38 and along the vertical direction of the columns 40. One end of the steel wire 36 is connected to the transfer platform of the platform component 3, and the other end is connected to the hand winch 35 after passing through all the pulleys 37.

[0079] The design of the lifting mechanism has the following advantages:

[0080] Simple operation: The use of hand winches 35 allows operators to easily control the lifting of heavy objects manually, making the operation simple and cost-effective.

[0081] Compact structure: The design of the upright columns 40 and cross beams 38 makes the lifting mechanism compact and occupies less space while providing sufficient strength and stability.

[0082] Efficient heavy object handling: The arrangement of the pulleys 37 reduces the force required to operate the hand winch 35, improving lifting efficiency and making heavy object handling easier.

[0083] Improved safety: The use of steel wire ropes 36 ensures safety during lifting and reduces the risk of heavy object falling.

[0084] The hand winch 35 includes a winch bracket 41, a hand crank 43, a driven gear 45, a driving pinion 42, a self-locking device 44, and a winch 46. The winch 46 and hand crank 43 are installed on the winch bracket 41, the driven gear 45 is installed on one side of the winch 46, the driving pinion 42 is installed on the inner end of the hand crank 43 and engages with the driven gear 45, the other end of the steel wire rope 36 is connected to the winch 46, and the self-locking device is installed on the winch bracket 41 to self-lock the winch.

[0085] The design of the hand winch 35 has the following advantages:

[0086] Labor-saving design: The gear transmission system of the driving pinion 42 and the driven gear 45 achieves force amplification, allowing the operator to lift heavy objects with less effort by shaking the hand crank 43, reducing labor intensity.

[0087] Self-locking safety: The presence of the self-locking device 44 ensures that the winch 46 can maintain its current state when the operator releases the hand crank 43, preventing accidental sliding of the heavy object and improving work safety.

[0088] Stable and reliable: The winch bracket 41 provides a stable mounting platform for the winch 46 and hand crank 43, ensuring stable operation of the winch under load and reducing shaking and vibration.

[0089] Easy to operate: The design of the hand crank 43 allows the operator to easily operate it without the need for complex operation skills to lift and lower heavy objects.

[0090] The waste residue conveying component 5 includes a frame 48, a conveyor belt 49, an explosion-proof motor 50, and a transmission assembly 51. The conveyor belt 49 is installed on the frame 48 and rotates along the length of the frame 48. The explosion-proof motor 50 is installed on one side of the frame 48 and drives the conveyor belt 49 through the transmission assembly 51. A protective cover 47 is installed on the upper part of the frame 48.

[0091] The design of the waste residue conveying component 5 has the following advantages:

[0092] Efficient conveying: The conveyor belt 49 is installed along the length direction of the frame 48, which can effectively convey the waste residue from the desulfurization tower to the waste residue treatment area, improving the efficiency of waste residue treatment.

[0093] Structural stability: The frame 48 provides a stable support structure for the conveyor belt 49, ensuring the stability and durability of the conveyor belt during operation.

[0094] Improved safety: The use of explosion-proof motor 50 reduces the safety risk when working in a flammable and explosive environment, protecting the safety of operators and equipment.

[0095] Transmission efficiency: The transmission assembly 51 efficiently transmits the power of the explosion-proof motor 50 to the conveyor belt 49, ensuring the stable operation and power requirements of the conveyor belt.

[0096] Protective design: The installation of the protective cover 47 protects the conveyor belt 49 and the transmission assembly 51 from damage caused by foreign objects, moisture or other contaminants, extending the service life of the equipment.

[0097] Reducing environmental pollution: The design of the waste residue conveying component 5 helps to reduce environmental pollution during the treatment of waste residue, meeting environmental protection requirements.

[0098] Several control valves 52 and supports 53 are arranged on the gas outlet pipe component 6 and the gas inlet pipe component 7. By opening or closing the control valve 52, the desulfurization component 1 is controlled to be in a non-working state, and the desulfurizer is replaced or repaired.

[0099] The design of the gas outlet pipe component 6 and the gas inlet pipe component 7 has the following advantages:

[0100] Flexibility and controllability: By opening or closing the control valve 52, the flow of gas can be flexibly controlled, so that the desulfurization component 1 can enter or exit the working state as needed, improving the controllability of the system.

[0101] Convenient maintenance and repair: When the desulfurization component 1 needs to be repaired or the desulfurizer needs to be replaced, the component can be isolated by closing the corresponding control valve 52, making the maintenance work safer and more convenient.

[0102] Improved safety: During maintenance, closing the control valve 52 can ensure that no gas passes through the desulfurization component 1, thereby reducing the risk of accidents.

[0103] Optimizing desulfurization efficiency: By finely controlling the working state of each desulfurization component, the entire desulfurization process can be optimized, improving the desulfurization efficiency.

[0104] The working principle of the large-scale desulfurization tower device is specifically as follows:

[0105] Gas introduction: the gas to be desulfurized, the gas containing sulfur dioxide (SO2), is introduced into the desulfurization tower device through the gas inlet pipe component 7.

[0106] Multi-stage desulfurization treatment: the gas enters the desulfurization component 1, which is composed of multiple desulfurization units, and the units are sequentially connected and arranged in the vertical direction. Each desulfurization unit contains a barrel body 10, and the barrel body is internally provided with a storage tray bracket 20 and a storage tray 18, and the storage tray is placed with a desulfurizing agent.

[0107] Desulfurization reaction: the gas enters the lowermost desulfurization unit through the desulfurization gas inlet 17, contacts the desulfurizing agent on the storage tray 18, and chemical reaction occurs, usually sulfur dioxide reacts with the desulfurizing agent (such as limestone or calcium carbonate) to generate calcium sulfate (gypsum) and other harmless products.

[0108] Gradual upward movement: the gas after the desulfurization reaction continues to rise in the tower, and sequentially passes through each desulfurization unit, and each desulfurization unit further reduces the concentration of SO2 in the gas.

[0109] Drainage and gas outlet: the lowermost desulfurization unit is provided with a drainage port 16 for discharging wastewater generated in the washing process. The treated gas is discharged through the gas outlet 14 of the uppermost desulfurization unit.

[0110] Waste residue discharge: the waste residue generated in the desulfurization process is discharged through the waste residue outlet 12, and the waste residue discharge component 2 (including the residue discharge funnel 21, the waste residue pipe 22 and the pipe cleaning port 23) is responsible for discharging the waste residue from the desulfurization component and conveying the waste residue to the waste residue treatment area.

[0111] Waste residue conveying: the waste residue conveying component 5 conveys the waste residue from the desulfurization tower to the waste residue treatment area through the conveying belt 49, and the explosion-proof motor 50 drives the operation of the conveying belt.

[0112] Operation and maintenance: the platform component 3 provides a safe operation platform for the operator, including a vertical ladder 27, a load-bearing column 28, a floor 29, a guardrail 30, a lifting mechanism 31, a transport trolley 32 and a staircase 33, which facilitates the operator to add the desulfurizing agent, clean the waste residue and maintain the equipment.

[0113] Heavy lifting: the lifting mechanism includes a hand winch 35, a steel wire rope 36, a pulley 37, a cross beam 38 and a column 40, which is used for lifting heavy objects (such as replaced desulfurizing agent) to the platform component 3.

[0114] Gas flow control: the control valve 52 arranged on the gas outlet pipe component 6 and the gas inlet pipe component 7 allows the operator to control the flow of the gas as needed, and the desulfurization component 1 is maintained or the desulfurizing agent is replaced.

[0115] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A large desulfurization tower apparatus characterized by comprising: The utility model relates to a desulfurization tower, which comprises the following components: a desulfurization component for removing sulfur dioxide in gas; a waste residue discharging component for discharging waste residue; a platform component for safe operation of operators and auxiliary fixation of the desulfurization component; a waste residue conveying component for conveying waste residue from the desulfurization component to a waste residue treatment area; an air outlet pipe component for discharging desulfurized gas from the desulfurization tower; an air inlet pipe component for introducing gas to be desulfurized into the desulfurization tower; a base component for supporting the desulfurization component, the waste residue discharging component, the platform component, the waste residue conveying component, the air outlet pipe component, and the air inlet pipe component.

2. The large desulfurization tower apparatus according to claim 1, characterized by The desulfurization component comprises multiple desulfurization units arranged in a vertical direction, and a bottom foot, a desulfurization gas inlet, and a water outlet are arranged on the lowermost desulfurization unit, and a desulfurization unit gas outlet is arranged on the uppermost desulfurization unit. Each desulfurization unit comprises a cylinder body, a desulfurizer feeding port, an observation window, and a waste residue outlet are arranged on the cylinder body, the desulfurizer feeding port is arranged at the upper part of the cylinder body, the observation window and the waste residue outlet are arranged at the lower part of the cylinder body, a bolt box is arranged on the cylinder body adjacent to the waste residue outlet, a storage disc bracket is arranged in the interior of each cylinder body, a storage disc is arranged on the storage disc bracket, and the storage disc is flush with the waste residue outlet. A platform support ring is arranged on the periphery of the cylinder body.

3. The large desulfurization tower apparatus according to claim 2, characterized by The waste residue discharging component comprises a residue outlet funnel, a waste residue pipe, and a pipeline cleaning port, a residue outlet funnel is arranged on the top and the side of the waste residue pipe, a cover plate is arranged on each residue outlet funnel, a plurality of pipeline cleaning ports are arranged on the side of the waste residue pipe, a support ring connected with the platform component is arranged at the bottom of the waste residue pipe, and a bracket fixedly connected with the cylinder body is arranged.

4. The large desulfurization tower apparatus according to claim 3, characterized by The platform component comprises vertical ladders, load-bearing columns, floors, guardrails, a lifting mechanism, a transport trolley, and stairs, a plurality of load-bearing columns are arranged around the periphery of the floors to support the floors, the floors are arranged in a vertical direction, guardrails are arranged on each floor, stairs are arranged between adjacent floors, and the transport trolley is arranged on each floor, and a lifting mechanism and a vertical ladder are arranged between the uppermost floor and the ground.

5. The large desulfurization tower apparatus according to claim 4, characterized by The lifting mechanism comprises a hand winch, a steel wire rope, pulleys, a cross beam, and columns, two columns are arranged close to the floor, a cross beam is arranged at the top end of the columns, a plurality of pulleys are arranged on the cross beam and along the vertical direction of the columns, one end of the steel wire rope is connected with a transfer platform of the platform component, and the other end of the steel wire rope is connected with the hand winch through all the pulleys.

6. The large desulfurization tower apparatus according to claim 5, characterized by The hand-operated winch comprises a winch support, a hand crank, a driven gear, a driving pinion, a self-locking device and a winch, the winch and the hand crank are rotatably mounted on the winch support, the driven gear is mounted on one side of the winch, the driving pinion is mounted on the inner end of the hand crank and engages with the driven gear, the other end of the steel wire rope is connected to the winch, and the self-locking device for self-locking the winch is also mounted on the winch support.

7. The large desulfurization tower apparatus according to claim 6, characterized by The waste residue conveying component comprises a frame, a conveying belt, an explosion-proof motor and a transmission assembly, the conveying belt is rotatably mounted on the frame along the length direction of the frame, the explosion-proof motor is mounted on one side of the frame, and the explosion-proof motor drives the conveying belt through the transmission assembly; a protective cover is mounted on the upper portion of the frame.

8. The large desulfurization tower apparatus according to claim 7, characterized by A plurality of control valves and supports are arranged on the air outlet pipe component and the air inlet pipe component, and by opening or closing the control valves, a desulfurization component is controlled to be in a non-working state, and the desulfurization component is overhauled or the desulfurizer is replaced.

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