Flue gas denitration integrated device for small non-electric boiler
By introducing a motor-driven catalyst screen replacement and dust cleaning system into the flue gas denitrification integrated device, the problem of catalyst replacement requiring shutdown has been solved, enabling catalyst replacement and dust separation without shutdown, thus ensuring continuous denitrification operation of the boiler and environmental protection.
Patent Information
- Application Number
- CN202520034506.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing flue gas denitrification integrated devices require shutdown when the catalyst in the catalytic converter is replaced, which affects boiler operation and prevents continuous denitrification.
A catalytic tower structure was designed, which enables catalyst screen plate replacement without stopping the machine through a motor-driven active rod and driven rod system, and is equipped with a cleaning brush and gear system for dust separation and cleaning.
It enables catalyst screen plate replacement without downtime, maintaining the continuity of denitrification operation, while effectively separating and cleaning dust in flue gas to avoid environmental pollution.
Smart Images
Figure CN223716830U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flue gas denitration equipment technical field more specifically, the utility model relates to a kind of flue gas denitration integrated device for non-electric small boiler. BACKGROUND
[0002] A boiler is a device for generating steam or hot water, and its main working method is to heat water by burning fuel or electric heater to produce steam, which is used in various industries. The design and size of the boiler can vary greatly depending on its purpose and the amount of steam required. Since the boiler operates under high temperature and pressure, safe use and regular maintenance are very important.
[0003] When operating a non-electric small boiler, operators often use a flue gas denitration integrated device to treat harmful nitrogen oxides produced after boiler combustion. However, the existing flue gas denitration integrated device, although having basic denitration function, generally requires a catalyst to accelerate the denitration reaction speed. When the catalyst in the catalyst needs to be replaced after a period of use, the existing flue gas denitration integrated device cannot perform normal denitration work, forcing operators to stop using the boiler. Therefore, improvement is needed. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a flue gas denitration integrated device for non-electric small boiler, which has the advantage of not needing to stop and replace the catalyst.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a flue gas denitration integrated device for non-electric small boiler, comprising a catalytic tower, the front surface of the catalytic tower is movably connected with a mounting bracket, the number of the mounting bracket is two, the rear end of the two mounting brackets penetrates the catalytic tower and extends to the rear side of the catalytic tower, the front and rear sides of the inner surface of the two mounting brackets are fixedly installed with catalyst mesh plates, the rear surface of the two mounting brackets is fixedly connected with a long plate located at the rear side of the catalytic tower, the right surface of the catalytic tower is fixedly installed with a No. 1 motor, the other end of the output shaft of the No. 1 motor is fixedly sleeved with a No. 1 circular shaft, the outer surface of the No. 1 circular shaft is fixedly sleeved with a driving rod, the other end of the driving rod is hingedly connected with a driven rod, and the other end of the driven rod is hingedly connected with the outer surface of the long plate.
[0006] As a preferred technical scheme of the utility model, the upper surface of the catalytic tower is fixedly connected with an air inlet, the right side of the upper surface of the air inlet is fixedly connected with a spraying box, the left side of the upper surface of the air inlet is fixedly connected with a storage tank, the front surface of the storage tank is fixedly connected with a feeding valve, and the rear end of the feeding valve penetrates the storage tank and extends to the inside of the storage tank.
[0007] As a preferred technical scheme of the utility model, the upper surface of the spraying box is fixedly installed with an air pump, the lower surface of the air pump is fixedly connected with a gas delivery pipe, the bottom end of the gas delivery pipe penetrates through the spraying box and extends to the inside of the spraying box, the left surface of the air pump is fixedly connected with an air exhaust pipe, and the other end of the air exhaust pipe penetrates through the material storage tank and extends to the inside of the material storage tank.
[0008] As a preferred technical scheme of the utility model, the upper surface of the air inlet is fixedly connected with a nozzle located inside the spraying box, the bottom end of the nozzle penetrates through the air inlet and extends to the inside of the air inlet, and the right side of the inner surface of the air inlet is fixedly connected with a heater located below the nozzle.
[0009] As a preferred technical scheme of the utility model, the left surface of the catalytic tower is fixedly installed with a sound wave dust collector, the right end of the sound wave dust collector penetrates through the catalytic tower and extends to the inside of the catalytic tower, and the bottom of the inner surface of the catalytic tower is movably connected with a dust collection box.
[0010] As a preferred technical scheme of the utility model, the right side of the front surface of the catalytic tower is fixedly installed with a filter plate located between the dust collection box and the mounting bracket, the rear end of the filter plate penetrates through the catalytic tower and extends to the rear side of the inner surface of the catalytic tower, the left side of the outer surface of the filter plate is movably connected with a cleaning brush, the outer surface of the cleaning brush is fixedly connected with a mounting plate, the rear surface of the mounting plate is fixedly connected with a connecting rod, the rear end of the connecting rod penetrates through the catalytic tower and extends to the rear side of the catalytic tower and is fixedly connected with a connecting plate, and the outer surface of the connecting rod and the inner surface of the catalytic tower are movably connected.
[0011] As a preferred technical scheme of the utility model, the rear side of the right surface of the catalytic tower is fixedly installed with a second motor, the other end of the output shaft of the second motor is fixedly sleeved with a second circular shaft, and the outer surface of the second circular shaft is fixedly sleeved with a gear.
[0012] As a preferred technical scheme of the utility model, the outer surface of the gear is meshingly connected with a toothed plate, and the outer surface of the toothed plate and the outer surface of the connecting plate are fixedly connected.
[0013] Compared with the prior art, the utility model has the beneficial effects as follows:
[0014] 1. The utility model discloses a catalytic tower, mounting bracket, catalyst net board, driving rod and driven rod are set up, when the operation of no. The catalyst net board that the whole replacement process catalytic tower can still keep the normal of denitration operation can be replaced by the catalyst net board that originally located the inside of catalytic tower, thereby realize the non-stop replacement of catalyst net board.
[0015] 2. The utility model discloses mounting plate, cleaning brush, connecting plate, gear and toothed plate are set up, the design of filter plate can block the dust in flue gas at the left side of filter plate, when the operation of no. The dust in boiler flue gas is separated, and the situation that the environmental pollution caused by the dust emission into the air appears is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic drawing of the utility model;
[0017] Figure 2 It is the structure schematic drawing of the back of the utility model;
[0018] Figure 3 It is the structure schematic drawing of the utility model's section view;
[0019] Figure 4 It is the structure schematic drawing of the side of the utility model's section view;
[0020] Figure 5 It is the structure schematic drawing of the atomizing spout of the utility model's section view.
[0021] In the drawing: 1, catalytic tower;2, mounting bracket;3, catalyst net board;4, long board;5, no. 6, no. 7, driving rod;8, driven rod;9, inlet channel;10, spray box;11, storage tank;12, feed valve;13, air pump;14, air pipe;15, air pipe;16, acoustic dust collector;17, dust collection box;18, filter plate;19, mounting plate;20, cleaning brush;21, connecting rod;22, connecting plate;23, no. 24, no. 25, gear;26, toothed plate;27, heater;28, spout. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0023] As shown in Figures 1 to 5 The utility model provides a kind of flue gas denitration integrated device for non-electric small boiler, including catalytic tower 1, the front surface of catalytic tower 1 is movably connected with mounting bracket 2, the quantity of mounting bracket 2 is two, the rear end of two mounting bracket 2 is all through catalytic tower 1 and extends to the back side of catalytic tower 1, the front and back sides of the inner surface of two mounting bracket 2 are all fixedly installed with catalyst net plate 3, the rear surface of two mounting bracket 2 is all fixedly connected with long plate 4 located at the back side of catalytic tower 1, the right surface of catalytic tower 1 is fixedly installed with No.
[0024] When No.
[0025] Among them, the upper surface of catalytic tower 1 is fixedly connected with air inlet 9, the right side of the upper surface of air inlet 9 is fixedly connected with spray box 10, the left side of the upper surface of air inlet 9 is fixedly connected with storage tank 11, the front surface of storage tank 11 is fixedly connected with feed valve 12, the rear end of feed valve 12 is through storage tank 11 and extends to the inside of storage tank 11.
[0026] The inside of storage tank 11 is equipped with ammonia, and the operator can supplement ammonia to the inside of storage tank 11 through feed valve 12.
[0027] Among them, the upper surface of spray box 10 is fixedly installed with air pump 13, the lower surface of air pump 13 is fixedly connected with gas delivery pipe 14, the bottom end of gas delivery pipe 14 is through spray box 10 and extends to the inside of spray box 10, the left surface of air pump 13 is fixedly connected with air extraction pipe 15, the other end of air extraction pipe 15 is through storage tank 11 and extends to the inside of storage tank 11.
[0028] Air pump 13 can extract ammonia in the inside of storage tank 11 through air extraction pipe 15, and send ammonia into the inside of spray box 10 through gas delivery pipe 14.
[0029] The upper surface of the air inlet channel 9 is fixedly connected with a nozzle 28 located inside the spraying box 10, the bottom end of the nozzle 28 penetrates through the air inlet channel 9 and extends to the inside of the air inlet channel 9, and the right side of the inner surface of the air inlet channel 9 is fixedly connected with a heater 27 located below the nozzle 28.
[0030] The ammonia gas inside the spraying box 10 can be injected into the inside of the air inlet channel 9 through the nozzle 28 and mixed with the flue gas, and the operation of the heater 27 can heat the mixed gas of the ammonia gas and the flue gas, so as to reach the temperature condition of the denitration reaction.
[0031] The left surface of the catalytic tower 1 is fixedly installed with a sound wave dust remover 16, the right end of the sound wave dust remover 16 penetrates through the catalytic tower 1 and extends to the inside of the catalytic tower 1, and the bottom of the inner surface of the catalytic tower 1 is movably connected with a dust collecting box 17.
[0032] The operation of the sound wave dust remover 16 can release sound waves, so that the catalyst mesh plate 3 generates high-frequency small-amplitude oscillation, so that the dust inside the catalyst mesh plate 3 falls off.
[0033] The right side of the front surface of the catalytic tower 1 is fixedly installed with a filter plate 18 located between the dust collecting box 17 and the mounting frame 2, the rear end of the filter plate 18 penetrates through the catalytic tower 1 and extends to the rear side of the inner surface of the catalytic tower 1, the left side of the outer surface of the filter plate 18 is movably connected with a cleaning brush 20, the outer surface of the cleaning brush 20 is fixedly connected with a mounting plate 19, the rear surface of the mounting plate 19 is fixedly connected with a connecting rod 21, the rear end of the connecting rod 21 penetrates through the catalytic tower 1 and extends to the rear side of the catalytic tower 1 and is fixedly connected with a connecting plate 22, and the outer surface of the connecting rod 21 and the inner surface of the catalytic tower 1 are movably connected.
[0034] The mounting plate 19 can move forward and backward under the limiting of the connecting rod 21, and in this process, the cleaning brush 20 can sweep the dust attached to the outer surface of the filter plate 18.
[0035] The rear side of the right surface of the catalytic tower 1 is fixedly installed with a second motor 23, the other end of the output shaft of the second motor 23 is fixedly sleeved with a second circular shaft 24, and the outer surface of the second circular shaft 24 is fixedly sleeved with a gear 25.
[0036] When the second motor 23 operates, the second circular shaft 24 and the gear 25 will start to rotate.
[0037] The outer surface of the gear 25 is engaged with a toothed plate 26, and the outer surface of the toothed plate 26 and the outer surface of the connecting plate 22 are fixedly connected.
[0038] The toothed plate 26, the connecting plate 22 and the cleaning brush 20 will start to move forward and backward under the driving of the gear 25.
[0039] The working principle and use process of the utility model:
[0040] When the operator needs to replace the catalyst net plate 3, the operator starts the first motor 5, and with the operation of the first motor 5, the first circular shaft 6 and the driving rod 7 start to rotate, and the driven rod 8 starts to rotate under the driving of the driving rod 7, and the other end of the driven rod 8 drives the long plate 4, so that the long plate 4 and the mounting frame 2 start to move backward as a whole, and finally the catalyst net plate 3 located outside the catalytic tower 1 enters the inside of the catalytic tower 1, and the catalyst net plate 3 originally located inside the catalytic tower 1 moves to the outside of the catalytic tower 1, at this time the operator can disassemble and replace the failed catalyst net plate 3.
[0041] When the outer surface of the filter plate 18 is attached with a large amount of dust, the operator starts the second motor 23, and with the operation of the second motor 23, the second circular shaft 24 and the gear 25 start to rotate, and since the gear 25 and the toothed plate 26 are engaged with each other, the toothed plate 26, the connecting plate 22, the connecting rod 21 and the cleaning brush 20 move forward as a whole under the driving of the gear 25 and the limiting of the connecting rod 21, and in this process, the cleaning brush 20 cleans the dust attached to the outer surface of the filter plate 18, and the cleaned dust falls into the inside of the dust collecting box 17, so as to facilitate the subsequent centralized treatment of the operator.
[0042] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0043] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An integrated flue gas denitrification device for non-electric small boilers, comprising a catalytic tower (1), characterized in that: The front surface of the catalytic tower (1) is movably connected to a mounting bracket (2). There are two mounting brackets (2). The rear ends of the two mounting brackets (2) penetrate the catalytic tower (1) and extend to the rear side of the catalytic tower (1). Catalyst mesh plates (3) are fixedly installed on the front and rear sides of the inner surface of the two mounting brackets (2). The rear surface of the two mounting brackets (2) is fixedly connected to a long plate (4) located on the rear side of the catalytic tower (1). A first motor (5) is fixedly installed on the right surface of the catalytic tower (1). The other end of the output shaft of the first motor (5) is fixedly sleeved with a first round shaft (6). The outer surface of the first round shaft (6) is fixedly sleeved with an active rod (7). The other end of the active rod (7) is hinged to a driven rod (8). The other end of the driven rod (8) is hinged to the outer surface of the long plate (4).
2. The integrated flue gas denitrification device for non-electric small boilers according to claim 1, characterized in that: An air inlet (9) is fixedly connected to the upper surface of the catalytic tower (1). A spray box (10) is fixedly connected to the right side of the upper surface of the air inlet (9). A storage tank (11) is fixedly connected to the left side of the upper surface of the air inlet (9). A feed valve (12) is fixedly connected to the front surface of the storage tank (11). The rear end of the feed valve (12) passes through the storage tank (11) and extends into the interior of the storage tank (11).
3. The integrated flue gas denitrification device for non-electric small boilers according to claim 2, characterized in that: An air pump (13) is fixedly installed on the upper surface of the spray box (10), and an air supply pipe (14) is fixedly connected to the lower surface of the air pump (13). The bottom end of the air supply pipe (14) passes through the spray box (10) and extends into the interior of the spray box (10). An air extraction pipe (15) is fixedly connected to the left surface of the air pump (13), and the other end of the air extraction pipe (15) passes through the storage tank (11) and extends into the interior of the storage tank (11).
4. The integrated flue gas denitrification device for non-electric small boilers according to claim 2, characterized in that: The upper surface of the air intake (9) is fixedly connected to a nozzle (28) located inside the spray box (10). The bottom end of the nozzle (28) penetrates the air intake (9) and extends into the interior of the air intake (9). A heater (27) located below the nozzle (28) is fixedly connected to the right side of the inner surface of the air intake (9).
5. The integrated flue gas denitrification device for non-electric small boilers according to claim 1, characterized in that: An acoustic dust collector (16) is fixedly installed on the left surface of the catalytic tower (1). The right end of the acoustic dust collector (16) penetrates the catalytic tower (1) and extends into the interior of the catalytic tower (1). A dust collection box (17) is movably connected to the bottom of the inner surface of the catalytic tower (1).
6. The integrated flue gas denitrification device for non-electric small boilers according to claim 1, characterized in that: A filter plate (18) is fixedly installed on the right side of the front surface of the catalytic tower (1) between the dust collection box (17) and the mounting bracket (2). The rear end of the filter plate (18) penetrates the catalytic tower (1) and extends to the rear side of the inner surface of the catalytic tower (1). A cleaning brush (20) is movably connected to the left side of the outer surface of the filter plate (18). A mounting plate (19) is fixedly connected to the outer surface of the cleaning brush (20). A connecting rod (21) is fixedly connected to the rear surface of the mounting plate (19). The rear end of the connecting rod (21) penetrates the catalytic tower (1) and extends to the rear side of the catalytic tower (1) and is fixedly connected to a connecting plate (22). The outer surface of the connecting rod (21) is movably connected to the inner surface of the catalytic tower (1).
7. The integrated flue gas denitrification device for non-electric small boilers according to claim 1, characterized in that: A second motor (23) is fixedly installed on the rear side of the right surface of the catalytic tower (1). A second round shaft (24) is fixedly sleeved on the other end of the output shaft of the second motor (23). A gear (25) is fixedly sleeved on the outer surface of the second round shaft (24).
8. The integrated flue gas denitrification device for non-electric small boilers according to claim 7, characterized in that: The outer surface of the gear (25) is meshed with a toothed plate (26), and the outer surface of the toothed plate (26) is fixedly connected to the outer surface of the connecting plate (22).