Denitration reactor catalyst rapid replacement device

Abstract

The utility model provides a denitration reactor catalyst quick replacement device, which belongs to the field of waste gas purification equipment, and comprises a gas filtering box, a spraying box and a catalysis box, the gas filtering box is communicated with the spraying box through a first gas conveying pipe, the spraying box is communicated with the catalysis box through a second gas conveying pipe, and the spraying box is communicated with the catalysis box through a second gas conveying pipe. An air filtering assembly is mounted on the air filtering box, and a spraying assembly is mounted on the spraying box; a catalytic component; the catalysis assembly comprises a sliding cavity formed in the catalysis box, and a sliding plate is connected into the sliding cavity in a sliding mode. According to the waste gas treatment device, waste gas is treated through the gas filtering assembly, the spraying assembly and the catalysis assembly, the waste gas treatment effect is better, when a user needs to replace a catalyst bed on the fixing frame, the user rotates the holding handle, the clamping block can be moved out of the clamping groove, then the user pulls out the fixing frame, and then the catalyst bed can be replaced; and the portability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas purification equipment technical field especially relates to a kind of denitration reactor catalyst quick replacement device. BACKGROUND

[0002] Deletion is the process of removing nitrogen oxides in combustion flue gas, and flue gas containing nitrogen oxides is generally more common in boilers and power plants, and catalyst is also needed in the deletion process to quickly react with nitrogen oxides, so that the flue gas can be quickly filtered and meet the requirements for discharge.

[0003] The application number is: CN202322622232.8 a kind of denitration reactor catalyst quick replacement device, including processing box, gas passage and reactor body, the inner wall bottom end of reactor body is movably connected with two groups of threaded rods, the bottom end middle part of two groups of threaded rods is provided with transmission belt, the top end of one group of threaded rods is fixedly connected with turntable, the top end of turntable is fixedly connected with steering wheel, the middle part of threaded rod is threadedly sleeved with placing plate, the top end of placing plate is provided with two groups of partition plates, and placing groove is formed between every two groups of partition plates, when using, rotating steering wheel, so that steering wheel drives turntable and threaded rod to rotate, and drive transmission belt to rotate, so as to drive two groups of threaded rods to rotate, when threaded rod rotates, the placing plate in middle part will move in parallel, so as to rise, when moving to the inner wall top end of reactor body, catalyst placed on the top end of placing plate can be replaced from taking groove. But it adopts double threaded rods to lift placing plate, double threaded rods have high installation precision requirement, and are easy to be stuck, and when treating waste gas, waste gas and catalyst are contacted and treated, the treatment effect is not good, and the treatment efficiency is low. UTILITARY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of denitration reactor catalyst quick replacement device.

[0005] The embodiment of the utility model provides a kind of denitration reactor catalyst quick replacement device, comprising:

[0006] Filtering gas tank, spray tank and catalytic tank, the filtering gas tank and spray tank are communicated by first gas pipe, the spray tank and catalytic tank are communicated by second gas pipe, the filtering gas tank is installed with filter gas component, and the spray tank is installed with spray component;

[0007] The utility model provides a catalytic assembly, the catalytic assembly includes the sliding cavity of opening on the catalytic box, the sliding cavity is slidably connected with the sliding plate, two fixed frames are slidably penetrated on the catalytic box, two catalyst beds are installed on the two fixed frames, a threaded rod is rotatably connected in the sliding cavity, the threaded rod is threadedly penetrated the sliding plate, two clamping blocks are fixedly connected on the side wall of the sliding plate, two clamping grooves are formed on the side wall of the two fixed frames, two clamping blocks are slidably penetrated the catalytic box, two clamping blocks and two clamping grooves are matched, a rotating rod is rotatably penetrated on the catalytic box, and the rotating rod is fixedly connected on the threaded rod.

[0008] Further, the air filter assembly includes two activated carbon plates slidably penetrated on the air filter box, and a set of bolts is threadedly penetrated on each of the two activated carbon plates.

[0009] Further, the spraying assembly includes two infusion tubes fixedly connected to the inner wall of the spraying box, a set of spraying heads is fixedly installed on each of the two infusion tubes, a multi-head water pipe is penetrated on the spraying box, two liquid outlet ends of the multi-head water pipe are respectively communicated with the two infusion tubes, a liquid storage tank is installed on the liquid inlet pipe of the multi-head water pipe, a liquid pumping pump is fixedly installed on the upper end surface of the liquid storage tank, and the multi-head water pipe is installed on the liquid pumping pump.

[0010] Further, a set of stand columns is fixedly connected to the lower end surfaces of the air filter box, the spraying box and the catalytic box, a cushion block is fixedly connected to the lower end surface of each of the three sets of stand columns, and an anti-skid pattern is arranged on the lower end surface of each of the three sets of cushion blocks.

[0011] Further, a handle is fixedly connected to the rotating rod, an anti-skid pad layer is arranged on the handle, and the anti-skid pad layer is made of rubber.

[0012] Further, a gas injection pipe is communicated with the air filter box, an exhaust pipe is communicated with the catalytic box, a liquid discharge pipe is communicated with the lower end surface of the spraying box, an electromagnetic valve is fixedly installed on the liquid discharge pipe, and the lower inner wall of the spraying box is conically arranged.

[0013] Further, a liquid injection pipe and a discharge pipe are communicated with the liquid storage tank, and a valve is fixedly installed on the discharge pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The exhaust gas is conveyed into the catalytic box, the exhaust gas passes through the catalyst bed on the fixed frame, further treatment of the exhaust gas is realized, the exhaust gas treatment effect is better, when the user needs to replace the catalyst bed on the fixed frame, the user rotates the handle, the clamping block is moved out of the clamping groove, then the user draws out the fixed frame, the replacement of the catalyst bed is completed, and the portability of the device is improved.

[0016] 2. The activated carbon plate adsorbs large particulate impurities in the exhaust gas, achieving preliminary purification of the exhaust gas. It also makes it easy for users to install and disassemble the activated carbon plate, improving the portability of the device.

[0017] 3. Further treatment of the exhaust gas is achieved by using a spray system. The reaction liquid is sprayed out through the spray head, and the water mist of the reaction liquid reacts with the exhaust gas to achieve further treatment of the exhaust gas. Attached Figure Description

[0018] Fig. 1 This is a three-dimensional schematic diagram of the structure of a rapid catalyst replacement device for a denitrification reactor as described in an embodiment of this utility model;

[0019] Fig. 2 This is a three-dimensional side view of the structure of a rapid catalyst replacement device for a denitrification reactor as described in this embodiment of the present invention;

[0020] Fig. 3 This is a perspective sectional view of a rapid catalyst replacement device for a denitrification reactor as described in an embodiment of this utility model.

[0021] In the above attached figures: 1. Filter box, 2. Spray box, 3. Catalytic box, 4. First gas supply pipe, 5. Second gas supply pipe, 6. Sliding chamber, 7. Sliding plate, 8. Fixing frame, 9. Threaded rod, 10. Locking block, 11. Locking groove, 12. Activated carbon plate, 13. Bolt, 14. Infusion pipe, 15. Spray head, 16. Multi-head water pipe, 17. Storage tank, 18. Liquid pump, 19. Column, 20. Pad, 21. Handle. Detailed Implementation

[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0023] like Figs. 1-3 As shown in the figure, this utility model embodiment proposes a rapid catalyst replacement device for a denitrification reactor, comprising:

[0024] The device comprises a gas filter box 1, a spray box 2, and a catalytic converter box 3. A gas injection pipe is connected to the gas filter box 1, and a gas exhaust pipe is connected to the catalytic converter box 3. A drain pipe is connected to the lower end of the spray box 2, and a solenoid valve is fixedly installed on the drain pipe. The lower inner wall of the spray box 2 is tapered. The gas filter box 1 and the spray box 2 are connected by a first gas supply pipe 4, and the spray box 2 and the catalytic converter box 3 are connected by a second gas supply pipe 5. A gas filter assembly is installed on the gas filter box 1, and a spray assembly is installed on the spray box 2. A set of columns 19 is fixedly connected to the lower end of each of the three sets of columns 19, and pads 20 are fixedly connected to the lower end of each of the three sets of pads 20. Anti-slip textures are provided on the lower end of each of the three sets of pads 20 to improve the stability of the device.

[0025] The catalytic assembly comprises a sliding cavity 6 opened on the catalytic box 3, a sliding plate 7 slidably connected in the sliding cavity 6, two fixing frames 8 slidably penetrated on the catalytic box 3, and a catalyst bed installed on each of the two fixing frames 8, a threaded rod 9 rotatably connected in the sliding cavity 6, the threaded rod 9 threadedly penetrating the sliding plate 7, two clamping blocks 10 fixedly connected to the side wall of the sliding plate 7, a clamping groove 11 opened on the side wall of each of the two fixing frames 8, the two clamping blocks 10 slidably penetrating the catalytic box 3, the two clamping blocks 10 and the two clamping grooves 11 being matched in shape, a rotating rod rotatably penetrated on the catalytic box 3 and fixedly connected to the threaded rod 9, and a handle 21 fixedly connected to the rotating rod, the handle 21 being provided with a rubber anti-skid pad layer, so that the user can conveniently rotate the threaded rod 9 and the portability of the device is improved;

[0026] The air filtering assembly comprises two active carbon plates 12 slidably penetrated on the air filtering box 1, a group of bolts 13 threadedly penetrating each of the two active carbon plates 12, and the two groups of bolts 13 threadedly connected on the air filtering box 1.

[0027] It is worth noting that the whole device controls the liquid pump 18 and the electromagnetic valve through the general control system.

[0028] The detailed working process of the device is as follows:

[0029] Firstly, the user places the device in the designated processing site, then passes the exhaust gas into the filter box 1 through the gas injection pipe, then the exhaust gas passes through the activated carbon plate 12 in the filter box 1, the activated carbon plate 12 can adsorb the large particle impurities in the exhaust gas, realize the preliminary purification of the exhaust gas, when the activated carbon plate 12 is used for a period of time, the user unscrews the bolt 13, then the activated carbon plate 12 is extracted, the user can install and disassemble the activated carbon plate 12, improve the portability of the device, the exhaust gas is transported into the spray tank 2 through the first gas conveying pipe 4, at the same time the liquid pump 18 starts to work, the liquid pump 18 extracts the treatment liquid in the liquid storage tank 17, then the treatment liquid is transported into the liquid conveying pipe 14, then the treatment liquid is discharged through the spray head 15, which can further treat the exhaust gas, the water mist reacts with the exhaust gas, realizes the further treatment of the exhaust gas, then the exhaust gas is transported into the catalytic tank 3 through the second gas conveying pipe 5, the exhaust gas passes through the catalyst bed on the fixing frame 8, realizes the further treatment of the exhaust gas, the treatment effect of the exhaust gas is better, the treated exhaust gas is finally discharged through the exhaust pipe, when the user needs to replace the catalyst bed on the fixing frame 8, the user rotates the handle 21, so that the sliding plate 7 slides in the sliding cavity 6, which can make the clamping block 10 move out of the clamping groove 11, then the user extracts the fixing frame 8, which can complete the replacement of the catalyst bed, improve the portability of the device.

[0030] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A device for rapid replacement of a catalyst in a denitration reactor, characterized in that, The utility model relates to a kind of denitration reactor catalysts, comprising: Filtering gas tank (1), spray tank (2) and catalytic tank (3), the filtering gas tank (1) and spray tank (2) are communicated by first gas pipe (4) between, the spray tank (2) and catalytic tank (3) are communicated by second gas pipe (5) between, filtering gas tank (1) is equipped with filtering gas subassembly on, spray tank (2) is equipped with spray subassembly on; Catalytic subassembly; The catalytic subassembly includes the sliding cavity (6) opened in catalytic tank (3), sliding plate (7) is slidably connected in the sliding cavity (6), two fixed frame (8) are slidably penetrated on catalytic tank (3), two catalyst beds are mounted on two fixed frame (8), threaded rod (9) is rotatably connected in the sliding cavity (6), threaded rod (9) is threadedly penetrated sliding plate (7), two clamping blocks (10) are fixedly connected on the side wall of sliding plate (7), two clamping blocks (10) are slidably penetrated catalytic tank (3), two clamping blocks (10) and two clamping slots (11) are shape matched, rotatable rod is rotatably penetrated on catalytic tank (3), and the rotatable rod is fixedly connected on threaded rod (9).

2. The device according to claim 1, characterized in that: The filtering gas subassembly includes two activated carbon plates (12) slidably penetrated in the filtering gas tank (1), and a group of bolts (13) are threadedly penetrated in the two activated carbon plates (12), and the two groups of bolts (13) are threadedly connected to the filtering gas tank (1).

3. The device according to claim 1, characterized in that: The spray subassembly includes two liquid delivery tubes (14) fixedly connected to the inner wall of the spray tank (2), a group of spray heads (15) are fixedly installed on the two liquid delivery tubes (14), a multi-head water pipe (16) is penetrated in the spray tank (2), two liquid outlet ends of the multi-head water pipe (16) are communicated to the two liquid delivery tubes (14) respectively, a liquid storage tank (17) is installed on the liquid inlet pipe of the multi-head water pipe (16), a liquid pumping pump (18) is fixedly installed on the upper end surface of the liquid storage tank (17), and the multi-head water pipe (16) is installed on the liquid pumping pump (18).

4. The device according to claim 1, characterized in that: The lower end surfaces of the filtering gas tank (1), the spray tank (2) and the catalytic tank (3) are fixedly connected to a group of stand columns (19), the lower end surfaces of the three groups of stand columns (19) are fixedly connected to a group of cushion blocks (20), and the lower end surfaces of the three groups of cushion blocks (20) are provided with anti-skid patterns.

5. The device according to claim 1, characterized in that: A handle (21) is fixedly connected to the rotatable rod, an anti-skid pad layer is arranged on the handle (21), and the anti-skid pad layer is made of rubber.

6. The device according to claim 1, characterized in that: The air filter tank (1) is communicated with a gas injection pipe, the catalytic tank (3) is communicated with an exhaust pipe, the lower end surface of the spray tank (2) is communicated with a liquid discharge pipe, the electromagnetic valve is fixedly installed on the liquid discharge pipe, and the lower inner wall of the spray tank (2) is conical.

7. The quick replacement device for catalysts of a denitration reactor according to claim 3, characterized in that: The liquid storage tank (17) is communicated with a liquid injection pipe and a discharge pipe, and the valve is fixedly installed on the discharge pipe.

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