Biomass boiler denitration catalyst ash and coke removing device

Abstract

The utility model belongs to the technical field of biomass boilers, and particularly relates to a biomass boiler denitration catalyst ash and coke removing device which comprises a box body, two hinges are fixedly connected to the front end of the box body, protective doors are fixedly connected to the other ends of the two hinges, handles are fixedly connected to the front ends of the two protective doors, and the handles are fixedly connected to the front ends of the two protective doors. A plurality of supporting legs are fixedly connected to the periphery of the box body, a clamping assembly is arranged at the bottom of the inner side of the box body, the clamping assembly comprises a fixing frame, the fixing frame is fixedly connected to the bottom of the inner side of the box body, a rotating rod is rotationally connected to the interior of the fixing frame, and rotating frames are fixedly connected to the two ends of the rotating rod. The bidirectional threaded rod is driven to rotate by rotating the rotating hand, so that the clamping hand is driven by the sliding block to clamp a denitration catalyst, and the clamping hand and the catalyst are driven to turn over under the driving of the motor I, so that each surface of the catalyst can be effectively cleaned, and dust cleaning dead angles are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass boiler, concretely is a kind of biomass boiler denitration catalyst ash device. BACKGROUND

[0002] With the increasing environmental protection requirement, biomass boiler is more and more widely used in the field of energy utilization. Nitrogen oxides are produced during the combustion process of biomass boiler. In order to reduce the emission of nitrogen oxides, denitration technology is usually used, and selective catalytic reduction is a commonly used efficient denitration method. In the SCR system, the denitration catalyst plays a key role, which can promote the reaction of nitrogen oxides and reducing agent, and convert nitrogen oxides into harmless nitrogen and water.

[0003] The prior art has the following defects or problems: the prior art with publication number CN216800782U discloses a kind of biomass boiler denitration catalyst ash device, relating to the technical field of biomass boiler, including box and denitration catalyst, four corners at the bottom of box are all welded with support, horizontal push-pull plate is arranged in the box, the left and right ends of push-pull plate are respectively slid in the left and right sides of the inner wall of box, the upper surface of push-pull plate is provided with accommodating groove, the denitration catalyst is placed in the inside of accommodating groove, the bottom of push-pull plate is provided with through hole, the through hole top is communicated with the inner wall bottom of accommodating groove, the box is also provided with brushing mechanism and cleaning mechanism, the brushing mechanism includes first driving assembly, transmission assembly and brushing assembly, the first driving assembly is arranged at the right side of the top of box, the utility model can automatically clean ash of blocked denitration catalyst, reduce the labor intensity of staff, cleaning efficiency is high and cleaning effect is good, which is beneficial to prolong the service life of biomass boiler.

[0004] The above-mentioned device can automatically clean ash of blocked denitration catalyst during use, reducing the labor intensity of staff, but the denitration catalyst is fixed during cleaning, and the position of the denitration catalyst cannot be adjusted as needed, resulting in cleaning dead angle. Therefore, a biomass boiler denitration catalyst ash device is proposed to solve the above-mentioned problems.

[0005] It should be noted that the above content belongs to the technical cognition range of the inventor and does not necessarily constitute prior art. UTILITY MODEL CONTENT

[0006] In view of the shortcomings of the prior art, the utility model provides a kind of biomass boiler denitration catalyst ash device, to solve the problems existing today.

[0007] To achieve the above object, the utility model provides the following technical scheme: a biomass boiler denitration catalyst ash removal coke device, including the box, the front end of the box is fixedly connected with two hinges, two the other end of hinge is all fixedly connected with the guard door, the front end of two guard door is all fixedly connected with the handle, the outer periphery of the box is fixedly connected with a plurality of support legs, the inside bottom of the box is provided with clamping assembly;

[0008] The clamping assembly includes a fixing frame, the fixing frame is fixedly connected to the inside bottom of the box, a rotating rod is rotatably connected to the inside of the fixing frame, rotating rods are fixedly connected to both ends of the rotating rod, bidirectional threaded rods are rotatably connected to the inside of both rotating rods, two sliding blocks are threadedly connected to the outer periphery of both bidirectional threaded rods, clamping hands are fixedly connected to one end of both sliding blocks, and a turnover assembly is arranged in the inside of the fixing frame.

[0009] The inside top of the box is provided with a cleaning assembly.

[0010] As a preferred technical scheme of the utility model, the cleaning assembly includes a driving gear, a plurality of driven gears and a gear ring, the driving gear is rotatably connected to the inside top of the box, the driven gears are slidably connected to the inside top of the box, the gear ring is fixedly connected to the inside top of the box, the driven gears are rotatably connected to the outer periphery of the driving gear, the driven gears are rotatably connected to the inner ring of the gear ring, connecting rods are fixedly connected to the bottom of the driven gears, cleaning fans are fixedly connected to the bottom of the connecting rods, and a driving assembly is arranged on the top of the box.

[0011] As a preferred technical scheme of the utility model, the driving assembly includes a second motor, the second motor is fixedly connected to the top of the box, and the output end of the second motor is fixedly connected to the top of the driving gear.

[0012] As a preferred technical scheme of the utility model, the turnover assembly includes a worm gear and a worm, the worm gear is fixedly connected to the middle of the rotating rod, the worm is rotatably connected to the inside of the fixing frame, the worm gear and the worm are rotatably connected, a first motor is fixedly connected to the front end of the fixing frame, and the output end of the first motor is fixedly connected to the front end of the worm.

[0013] As a preferred technical scheme of the utility model, the inside of both rotating rods is fixedly connected with a limiting block, both limiting blocks are rotatably connected to the middle of both bidirectional threaded rods, and both bidirectional threaded rods are fixedly connected with a rotating handle at the front end.

[0014] As a preferred technical scheme of the utility model, a collecting groove is formed in the bottom of the box, and a collecting box is placed directly below the box.

[0015] As a preferred technical scheme of the utility model, the driving gear bottom fixedly connects with a limiting plate, the gear ring bottom fixedly connects with a limiting ring, and multiple driven gears are abutted on the limiting plate and the limiting ring top.

[0016] Compared with the prior art, the utility model provides a biomass boiler denitration catalyst ash cleaning device, has the following beneficial effects:

[0017] 1、This kind of biomass boiler denitration catalyst ash cleaning device, through the cooperative work of rotating frame, bidirectional screw rod, sliding block, clamping hand, limiting block, rotating hand and other components, can rotate rotating hand and drive bidirectional screw rod to rotate, so as to drive clamping hand to clamp denitration catalyst through sliding block, can flexibly clamp denitration catalyst of different diameters, and then through the cooperative work of worm wheel, worm, motor one, under the driving of motor one, drive worm to rotate, so that worm drives rotating rod to rotate, realizes the rotation of rotating rod, and then drives clamping hand and catalyst to overturn, ensures that each surface of catalyst can be effectively cleaned, avoids cleaning dead angle.

[0018] 2、This kind of biomass boiler denitration catalyst ash cleaning device, through the mutual cooperation between driving gear, driven gear, gear ring, connecting rod, cleaning fan, motor two, limiting plate, limiting ring, make driving gear rotate under the driving of motor two, drive multiple driven gears and gear ring to cooperate, so that driven gear makes planetary motion around driving gear, so that connecting rod drives cleaning fan to rotate at the same time, and also makes circumferential motion around driving gear, so that cleaning fan produces multi-angle, omni-directional airflow, can more effectively remove ash and coke on the surface and inside of catalyst. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the utility model;

[0020] Figure 2 It is the structure schematic drawing of the utility model in box body;

[0021] Figure 3 It is the structure schematic drawing of the utility model in fixed frame;

[0022] Figure 4 It is the structure schematic drawing of the utility model in motor one;

[0023] Figure 5 It is the structure schematic drawing of the utility model in cleaning fan.

[0024] In the figure: 1, box; 2, hinge; 3, protective door; 4, handle; 5, support leg; 6, collection groove; 7, collection box; 8, fixing frame; 9, rotating rod; 10, rotating frame; 11, bidirectional threaded rod; 12, sliding block; 13, clamping hand; 14, limiting block; 15, rotating hand; 16, worm; 17, worm gear; 18, motor one; 19, driving gear; 20, driven gear; 21, ring gear; 22, connecting rod; 23, cleaning fan; 24, motor two; 25, limiting plate; 26, limiting ring. DETAILED DESCRIPTION

[0025] 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 protection scope of the utility model.

[0026] Please refer to Figure 1 - Figure 3 In the embodiment, the biomass boiler denitration catalyst ash removal device comprises a box body 1, two hinges 2 are fixedly connected at the front end of the box body 1, two protective doors 3 are fixedly connected at the other ends of the two hinges 2, handles 4 are fixedly connected at the front ends of the two protective doors 3, a plurality of support legs 5 are fixedly connected at the outer periphery of the box body 1, a clamping assembly is arranged at the inner bottom of the box body 1, a collection groove 6 is formed at the bottom of the box body 1, and a collection box 7 is placed directly below the box body 1.

[0027] Specifically, the box body 1 is the shell structure of the whole device, used for accommodating and protecting various components inside, the hinges 2 are arranged at the two sides of the front end of the box body 1, used for connecting the box body 1 and the protective doors 3, so that the protective doors 3 can rotate therearound to realize the opening and closing functions, the protective doors 3 are used for closing the box body 1 to protect the internal components, the handles 4 are arranged at the front ends of the protective doors 3, used for facilitating the operator to open and operate and maintain, the support legs 5 are fixed at the outer periphery of the box body 1, used for supporting the whole device, the collection groove 6 is formed at the bottom of the box body 1, used for collecting the ash removed, and the collection box 7 is placed directly below the box body 1, used for storing the ash falling from the collection groove 6.

[0028] The clamping assembly comprises a fixing frame 8 fixedly connected to the inner bottom of the box body 1, a rotating rod 9 rotatably connected to the inside of the fixing frame 8, two rotating frames 10 fixedly connected to the two ends of the rotating rod 9, two bidirectional threaded rods 11 rotatably connected to the inside of the two rotating frames 10, two sliding blocks 12 threadedly connected to the outer periphery of the two bidirectional threaded rods 11, two clamping hands 13 fixedly connected to one end of the two sliding blocks 12, a turnover assembly arranged in the fixing frame 8, the turnover assembly comprising a worm wheel 16 and a worm 17, the worm wheel 16 being fixedly connected to the middle of the rotating rod 9, the worm 17 being rotatably connected to the inside of the fixing frame 8, the worm wheel 16 and the worm 17 being in mesh with each other, a first motor 18 fixedly connected to the front end of the fixing frame 8, the output end of the first motor 18 being fixedly connected to the front end of the worm 17, two limiting blocks 14 fixedly connected to the inside of the two rotating frames 10, the two limiting blocks 14 being rotatably connected to the middle of the two bidirectional threaded rods 11 respectively, and two rotating handles 15 fixedly connected to the front ends of the two bidirectional threaded rods 11.

[0029] Specifically, the fixing frame 8 is fixed to the inner bottom of the box body 1 and is used for supporting internal parts, the rotating rod 9 is installed in the fixing frame 8 and can rotate in the fixing frame 8 and is used for driving the rotating frame 10 to rotate, the rotating frame 10 provides a mounting and movement basis for the bidirectional threaded rod 11, the bidirectional threaded rod 11 is rotatably connected to the inside of the rotating frame 10 and is used for enabling the sliding block 12 to move on the outer periphery thereof, the sliding block 12 is used for moving on the outer periphery of the bidirectional threaded rod 11 along with the rotation of the bidirectional threaded rod 11, thereby driving the clamping hand 13 to move, the clamping hand 13 is used for directly contacting and clamping the denitration catalyst, the limiting block 14 is fixedly connected to the inside of the rotating frame 10 and is used for preventing the two sliding blocks 12 from colliding with each other, the rotating handle 15 is fixed to the front end of the bidirectional threaded rod 11 and facilitates an operator to hold and rotate the bidirectional threaded rod 11, the worm wheel 16 is fixed to the middle of the rotating rod 9, is in mesh with the worm 17, and rotates under the driving of the worm 17, thereby driving the rotating rod 9 to rotate, and the first motor 18 is fixed to the front end of the fixing frame 8, the output end thereof is connected to the front end of the worm 17, and the worm 17 is provided with rotating power.

[0030] Please refer to Figure 4 - Figure 5In the embodiment, the inside top of the box body 1 is provided with a cleaning assembly, the cleaning assembly comprises a driving gear 19, a plurality of driven gears 20 and a gear ring 21, the driving gear 19 is rotatably connected to the inside top of the box body 1, the plurality of driven gears 20 are all slidably connected to the inside top of the box body 1, the gear ring 21 is fixedly connected to the inside top of the box body 1, the plurality of driven gears 20 are all in mesh with the outer periphery of the driving gear 19, the plurality of driven gears 20 are all in mesh with the inner ring of the gear ring 21, the bottom of each of the plurality of driven gears 20 is fixedly connected with a connecting rod 22, the bottom of each of the plurality of connecting rods 22 is fixedly connected with a cleaning fan 23, the top of the box body 1 is provided with a driving assembly, the driving assembly comprises a second motor 24, the second motor 24 is fixedly connected to the top of the box body 1, the output end of the second motor 24 is fixedly connected to the top of the driving gear 19, the bottom of the driving gear 19 is fixedly connected with a limiting plate 25, the bottom of the gear ring 21 is fixedly connected with a limiting ring 26, and the bottom of each of the plurality of driven gears 20 abuts against the top of the limiting plate 25 and the limiting ring 26.

[0031] Specifically, the driving gear 19 rotates at the inside top of the box body 1 and is used for driving the driven gear 20 to move, the driven gear 20 slides at the inside top of the box body 1, is in mesh with the outer periphery of the driving gear 19 and is in mesh with the inner ring of the gear ring 21, under the driving of the driving gear 19, the driven gear 20 performs planetary motion around the driving gear 19 and also rotates by itself, the gear ring 21 is fixed at the inside top of the box body 1, the connecting rod 22 is fixed at the bottom of the driven gear 20 and is used for connecting the driven gear 20 and the cleaning fan 23, the cleaning fan 23 is fixed at the bottom of the connecting rod 22 and generates multi-angle and omnidirectional air flow under the driving of the connecting rod 22 to perform the dust removal operation on the denitration catalyst, the second motor 24 is fixed at the top of the box body 1 and the output end is fixedly connected to the top of the driving gear 19, and is used for driving the driving gear 19 to rotate, the limiting plate 25 is fixed at the bottom of the driving gear 19, the limiting ring 26 is fixed at the bottom of the gear ring 21, and the limiting plate 25 and the limiting ring 26 are used for limiting the up-down movement of the driven gear 20 to ensure the stable movement state of the driven gear 20.

[0032] The working principle and use process of the utility model are as follows: when the denitration catalyst needs to be clamped, the operator holds the rotating handle 15 and rotates it. The rotation of the rotating handle 15 drives the bidirectional threaded rod 11 to rotate, the two sliding blocks 12 move towards each other or away from each other, thereby driving the clamping handle 13 to move and adjusting the distance between the clamping handle 13 to adapt to denitration catalysts of different diameters and realize stable clamping of the catalyst. When the catalyst needs to be turned over, the motor one 18 is started. The output end of the motor one 18 drives the worm 17 to rotate, the rotation of the worm 17 drives the worm wheel 16 to rotate, thereby driving the rotating rod 9 to rotate, the rotation of the rotating rod 9 drives the clamping handle 13 and the catalyst to turn over together, ensuring that all surfaces of the catalyst can be exposed to facilitate comprehensive dust removal operation.

[0033] The starting motor 24 drives the driving gear 19 to rotate. The driving gear 19 is in mesh with the outer periphery of a plurality of driven gears 20, and the plurality of driven gears 20 are also in mesh with the inner ring of a gear ring 21. The rotation of the driving gear 19 drives the plurality of driven gears 20 to do planetary motion around the driving gear 19, and the driven gears 20 also self-rotate. The motion of the driven gears 20 is transmitted to the cleaning fan 23 through the connecting rod 22, so that the cleaning fan 23 rotates around the driving gear 19 while rotating, thereby generating multi-angle and omnidirectional airflow, which can effectively clean the ash and coke on the surface and inside of the denitration catalyst, fully expose the active sites of the catalyst, and improve the denitration efficiency.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of the present application.

Claims

1. A biomass boiler denitration catalyst soot blowing coke device, comprising a box body (1), the front end of the box body (1) is fixedly connected with two hinges (2), the other end of the two hinges (2) is fixedly connected with a protective door (3), the front end of the two protective doors (3) is fixedly connected with a handle (4), the outer periphery of the box body (1) is fixedly connected with a plurality of supporting legs (5), characterized in that: The inside bottom of the box (1) is provided with a clamping assembly; The clamping assembly comprises a fixed frame (8) fixedly connected to the inside bottom of the box (1), a rotating rod (9) rotatably connected to the inside of the fixed frame (8), rotating frames (10) fixedly connected to both ends of the rotating rod (9), bidirectional threaded rods (11) rotatably connected to the inside of the two rotating frames (10), two sliding blocks (12) threadedly connected to the outer periphery of the two bidirectional threaded rods (11), and clamping hands (13) fixedly connected to one end of the two sliding blocks (12). The inside top of the box (1) is provided with a cleaning assembly.

2. The biomass boiler denitration catalyst soot device according to claim 1, characterized in that: The cleaning assembly comprises a driving gear (19), a plurality of driven gears (20), and a gear ring (21), the driving gear (19) is rotatably connected to the inside top of the box (1), the plurality of driven gears (20) are slidably connected to the inside top of the box (1), the gear ring (21) is fixedly connected to the inside top of the box (1), the plurality of driven gears (20) are in mesh with the outer periphery of the driving gear (19), the plurality of driven gears (20) are in mesh with the inner ring of the gear ring (21), the plurality of driven gears (20) are fixedly connected with connecting rods (22) at the bottom, and the plurality of connecting rods (22) are fixedly connected with cleaning fans (23) at the bottom.

3. The biomass boiler denitration catalyst soot device according to claim 2, characterized in that: The driving assembly comprises a second motor (24) fixedly connected to the top of the box (1), and the output end of the second motor (24) is fixedly connected to the top of the driving gear (19).

4. The biomass boiler denitration catalyst soot device according to claim 1, characterized in that: The reversing assembly comprises a worm gear (16) and a worm (17), the worm gear (16) is fixedly connected to the middle of the rotating rod (9), the worm (17) is rotatably connected to the inside of the fixed frame (8), the worm gear (16) is in mesh with the worm (17), and the front end of the fixed frame (8) is fixedly connected with a first motor (18), and the output end of the first motor (18) is fixedly connected to the front end of the worm (17).

5. The biomass boiler denitration catalyst soot device according to claim 1, characterized in that: The inside of each of the two rotating frames (10) is fixedly connected with a limiting block (14), and the two limiting blocks (14) are rotatably connected to the middle of the two bidirectional threaded rods (11), respectively.

6. The biomass boiler denitration catalyst soot device according to claim 1, characterized in that: The bottom of the box (1) is provided with a collecting groove (6), and a collecting box (7) is placed directly below the box (1).

7. The biomass boiler denitration catalyst soot device according to claim 2, characterized in that: The bottom of the driving gear (19) is fixedly connected with a limiting plate (25), the bottom of the gear ring (21) is fixedly connected with a limiting ring (26), and the bottoms of the plurality of driven gears (20) abut against the tops of the limiting plate (25) and the limiting ring (26).

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