Boiler flue gas treatment device

Abstract

The utility model discloses a boiler flue gas treatment device, which belongs to the technical field of boiler flue gas treatment devices, and adopts the technical scheme that the boiler flue gas treatment device comprises an external pipe, the right side of the external pipe is in bolted connection with a filtering assembly, the top of the filtering assembly is communicated with a storage assembly, and a cleaning assembly is arranged in the storage assembly; a pipeline is bolted to the left side of the storage assembly; the storage assembly comprises a box body, the top of the box body communicates with a first electronic valve, the top of the first electronic valve communicates with a communicating pipe in bolted connection with the pipeline, the right side of the box body communicates with a second electronic valve, and the right side of the second electronic valve communicates with a box shell. The boiler flue gas treatment device can solve the problems that most of existing boiler flue gas treatment devices are lack of waste heat recovery structures, the interiors of the most of existing flue gas treatment devices are lack of cleaning structures, impurities in flue gas may be adsorbed on the inner walls of the treatment devices, and consequently the cleaning difficulty of follow-up users on the treatment devices is increased.

Description

Technical Field

[0001] This utility model relates to the technical field of boiler flue gas treatment devices, and in particular to a boiler flue gas treatment device. Background Technology

[0002] A boiler is an energy conversion device. The energy input to a boiler includes the chemical energy of fuel and electrical energy. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The original meaning of "boiler" refers to a water-filled container heated over a fire, while "furnace" refers to the place where fuel is burned. A boiler consists of two main parts: the boiler and the furnace.

[0003] Existing boiler exhaust gas treatment devices, due to their design features, have simple structures and single usage methods. In actual use, it is inconvenient to replace the filter element, and it is also inconvenient for staff to replace the filter element during use, thereby reducing the quality of boiler exhaust gas treatment and failing to meet the diverse usage requirements of current boiler exhaust gas treatment devices.

[0004] Existing patent (publication number: CN213146603U) discloses a boiler flue gas treatment device, including a fixed support, an upward-opening treatment tank body mounted on the fixed support, a sealing cover plate hinged to the treatment tank body, filter elements evenly arranged at the lower end of the treatment tank body, an installation frame for limiting the filter elements, a circulation frame disposed in the upper part of the inner cavity of the treatment tank body, an air inlet pipe connected to the circulation frame, and an exhaust pipe disposed on one side of the lower end of the treatment tank body. This boiler flue gas treatment device introduces flue gas into the inner cavity of the treatment tank body through the air inlet pipe, facilitates the circulation of flue gas through the circulation frame, filters the flue gas through the filter elements, and then discharges the treated flue gas through the exhaust pipe.

[0005] To address the aforementioned issues, existing patents offer solutions. However, most existing boiler flue gas treatment devices lack waste heat recovery structures, and their internal cleaning mechanisms are also lacking. Impurities in the flue gas may adhere to the inner walls of the treatment device, increasing the difficulty of cleaning for subsequent users.

[0006] Therefore, a boiler flue gas treatment device is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide a boiler flue gas treatment device that can solve the problems that most existing boiler flue gas treatment devices lack waste heat recovery structures and lack internal cleaning structures, which may cause impurities in the flue gas to adhere to the inner wall of the treatment device, thus increasing the difficulty of cleaning the treatment device for subsequent users.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a boiler flue gas treatment device, including an external pipe, a filter assembly connected to the right side of the external pipe, a storage assembly connected to the top of the filter assembly, a cleaning assembly disposed inside the storage assembly, and a pipe connected to the left side of the storage assembly.

[0009] The storage component includes a housing, the top of which is connected to a first electronic valve, the top of which is connected to a connecting pipe bolted to a pipeline, the right side of which is connected to a second electronic valve, the right side of which is connected to a housing shell, the top of which is snapped with a top cover, the bottom of which is snapped with two odor filter plates, and the right side of which is connected to an exhaust pipe.

[0010] Preferably, the cleaning component includes an adjustment groove, a spiral rod is rotatably connected to the top of the inner wall of the adjustment groove, an adjustment block that cooperates with the adjustment groove is threadedly connected to the surface of the spiral rod, and a knob is fixedly connected to the bottom of the spiral rod.

[0011] Preferably, a scraper is fixedly connected to the front side of the adjusting block, the scraper is in contact with the inner wall of the box, and the scraper is made of stainless steel.

[0012] Preferably, the bottom of the scraper is provided with an inclined plate, which is fixedly connected to the bottom of the inner wall of the box, and the inclined plate is made of stainless steel.

[0013] Preferably, the filter assembly includes a circular tube, with a mounting plate connected to the right side of the circular tube. A frame is bolted to the surface of the mounting plate, and a plurality of dust filter plates are snapped into the inner wall of the frame.

[0014] Preferably, the front and rear sides of the inner wall of the frame are provided with insertion slots, and the front and rear sides of the dust filter plate are fixedly connected with insertion blocks that cooperate with the insertion slots.

[0015] Preferably, a sealing groove is provided on the top of the housing, and a sealing block that cooperates with the sealing groove is fixedly connected to the bottom of the top cover.

[0016] Preferably, a support frame is fixedly connected to the bottom of the box, and an auxiliary frame is fixedly connected to the surface of the support frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. In this application, the filtered high-temperature flue gas is guided back to the boiler combustion chamber through the linkage of the storage component's housing, the first electronic valve, the connecting pipe, and the pipeline, thereby realizing the secondary utilization of waste heat.

[0019] 2. In this application, the spiral rod, adjusting block and scraper of the cleaning component form a linkage mechanism. By rotating the knob, the scraper is driven to slide up and down along the inner wall of the box, which can effectively remove adsorbent impurities such as tar and dust. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the boiler flue gas treatment device of this utility model;

[0021] Figure 2 This is a schematic diagram showing the disassembled storage component of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the cleaning component of this utility model;

[0023] Figure 4 This is a schematic diagram showing the disassembled filter assembly of this utility model;

[0024] Figure 5 This utility model Figure 2 Enlarged diagram of point A in the middle.

[0025] In the diagram: 1. External pipe; 2. Filter assembly; 201. Circular pipe; 202. Mounting plate; 203. Frame; 204. Smoke and dust filter plate; 205. Insertion slot; 206. Insertion block; 3. Storage assembly; 301. Box body; 302. First electronic valve; 303. Connecting pipe; 304. Second electronic valve; 305. Box shell; 306. Top cover; 307. Odor filter plate; 308. Exhaust pipe; 4. Cleaning assembly; 401. Adjustment groove; 402. Spiral rod; 403. Adjustment block; 404. Knob; 405. Scraper; 406. Inclined plate; 5. Pipe; 6. Sealing groove; 7. Sealing block; 8. Support frame; 9. Auxiliary frame. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5 The present invention provides the following technical solution:

[0028] A boiler flue gas treatment device includes an external pipe 1, a filter assembly 2 is bolted to the right side of the external pipe 1, a storage assembly 3 is connected to the top of the filter assembly 2, a cleaning assembly 4 is provided inside the storage assembly 3, and a pipe 5 is bolted to the left side of the storage assembly 3.

[0029] Storage component 3 includes a housing 301. The top of housing 301 is connected to a first electronic valve 302. The top of the first electronic valve 302 is connected to a connecting pipe 303 bolted to pipe 5. The right side of housing 301 is connected to a second electronic valve 304. The right side of the second electronic valve 304 is connected to a housing 305. The top of housing 305 is snapped with a top cover 306. The bottom of top cover 306 is snapped with two odor filter plates 307. The right side of housing 305 is connected to an exhaust pipe 308.

[0030] In this embodiment: An external pipe 1 is connected to the boiler exhaust pipe for flue gas discharge; a filter assembly 2 is connected to the external pipe 1 for flue gas filtration; a storage assembly 3 can temporarily store the filtered hot gas and can also discharge it as needed; a cleaning assembly 4 cleans the adsorbents on the inner wall of the storage assembly 3; a pipe 5 is connected to the storage assembly 3 on one side and to the boiler on the other, guiding the high-temperature hot gas into the boiler combustion chamber; a housing 301 is connected to the filter assembly 2 for high-temperature gas storage; and a first electronic valve 302 and a connecting pipe are used for storage. 303. Connecting pipe 303 is connected to pipe 5. When high-temperature gas recovery is required, the first electronic valve 302 is adjusted to allow waste heat to contact the inner wall of pipe 5 through connecting pipe 303. Then, the waste heat moves to the boiler cavity through pipe 5. By setting a second electronic valve 304, housing 305, top cover 306, two odor filter plates 307, and exhaust pipe 308, when hot gas needs to be discharged, the second electronic valve 304 is adjusted to allow high-temperature gas to contact the inner wall of housing 305. Then, the two odor filter plates 307 at the bottom of top cover 306 adsorb impurities and odors in the flue gas. Finally, the gas is discharged through exhaust pipe 308.

[0031] Specifically, such as Figure 3 As shown, the cleaning component 4 includes an adjustment groove 401, a spiral rod 402 is rotatably connected to the top of the inner wall of the adjustment groove 401, an adjustment block 403 that cooperates with the adjustment groove 401 is threadedly connected to the surface of the spiral rod 402, and a knob 404 is fixedly connected to the bottom of the spiral rod 402.

[0032] Specifically, such as Figure 3 As shown, a scraper 405 is fixedly connected to the front side of the adjusting block 403. The scraper 405 contacts the inner wall of the housing 301. The scraper 405 is made of stainless steel.

[0033] Specifically, such as Figure 3 As shown, the bottom of the scraper 405 is provided with an inclined plate 406, which is fixedly connected to the bottom of the inner wall of the box 301. The inclined plate 406 is made of stainless steel.

[0034] In this embodiment: by setting an adjustment groove 401, a spiral rod 402, an adjustment block 403, a knob 404, a scraper 405, and an inclined plate 406, the user turns the knob 404 to adjust the spiral rod 402, and the spiral rod 402 adjusts the adjustment block 403 on the inner wall of the adjustment groove 401. As the adjustment block 403 rotates, the adjustment block 403 drives the scraper 405 to move its position on the inner wall of the housing 301. Then, the scraper 405 scrapes away the impurities adsorbed on the inner wall of the housing 301. The inclined plate 406 facilitates the falling of impurities. When this structure is required, the filter assembly 2 needs to be disassembled at the bottom of the storage assembly 3.

[0035] Specifically, such as Figure 4 As shown, the filter assembly 2 includes a circular tube 201, with a mounting plate 202 connected to the right side of the circular tube 201. A frame 203 is bolted to the surface of the mounting plate 202, and several dust filter plates 204 are snapped onto the inner wall of the frame 203.

[0036] Specifically, such as Figure 4 As shown, the front and rear sides of the inner wall of the frame 203 are provided with insertion slots 205, and the front and rear sides of the dust filter plate 204 are fixedly connected with insertion blocks 206 that cooperate with the insertion slots 205.

[0037] In this embodiment: by setting up a circular tube 201, a mounting plate 202, a frame 203, and a dust filter plate 204, the circular tube 201 is bolted to the outer pipe 1 and communicates with the inner wall of the outer pipe 1. The mounting plate 202 is bolted to the inside of the housing 301 and communicates with the inner wall of the housing 301. Then, as the dust enters the inner wall of the housing 301, the dust filter plate 204 installed inside the frame 203 filters the flue gas and adsorbs impurities. By setting up a plug-in groove 205 and a plug-in block 206, the plug-in block 206 is engaged with the inner wall of the plug-in groove 205 to facilitate the splicing of the dust filter plate 204 and the frame 203.

[0038] Specifically, such as Figure 5 As shown, a sealing groove 6 is provided on the top of the housing 305, and a sealing block 7 that works in conjunction with the sealing groove 6 is fixedly connected to the bottom of the top cover 306.

[0039] Specifically, such as Figure 1 As shown, a support frame 8 is fixedly connected to the bottom of the housing 301, and an auxiliary frame 9 is fixedly connected to the surface of the support frame 8.

[0040] In this embodiment: by setting a sealing groove 6 and a sealing block 7, the sealing block 7 contacts the inner wall of the sealing groove 6 to prevent the leakage of flue gas at the connection between the top cover 306 and the housing 305. By setting a support frame 8, the housing 301 can be supported. By setting an auxiliary frame 9, the positional offset of the support frame 8 can be reduced.

[0041] Working Principle: When the boiler flue gas treatment device is working, the flue gas discharged from the boiler first enters the filter assembly 2 through the external pipe 1. Multiple dust filter plates 204 inside the circular pipe 201 are engaged with the insertion slots 205 of the frame 203 through the insertion blocks 206, performing multi-stage filtration on the dust in the flue gas and initially removing particulate impurities. The filtered flue gas enters the box 301 of the storage assembly 3. At this time, the waste heat recovery or emission mode can be selected through the control system. Waste heat recovery: Open the first electronic valve 302, and the flue gas enters the left pipe 5 through the connecting pipe 303, transferring heat to the boiler combustion chamber to realize the recycling of heat energy and reduce fuel consumption. Purified emission: Open the second electronic valve 304, and the flue gas flows into the box shell 305. The odor filter plate 307 at the bottom of the top cover 306 adsorbs residual odors. The odorous substances and fine particles are removed, and the purified flue gas is discharged in compliance with standards through the exhaust pipe 308. When it is necessary to clean the inside of the box 301, the user rotates the knob 404 of the cleaning component 4, which drives the spiral rod 402 to rotate, causing the adjusting block 403 to move up and down along the adjusting groove 401. The stainless steel scraper 405 fixed on the front side of the adjusting block 403 slides against the inner wall of the box 301 to scrape off the adsorbed impurities. The impurities slide down the inclined plate 406 to the bottom of the box 301 and are collected and removed after the machine is stopped. The support frame 8 and auxiliary frame 9 at the bottom of the device provide stable support. The sealing block 7 at the top of the box 305 cooperates with the sealing groove 6 to ensure that there is no leakage of flue gas during the treatment process. The entire process achieves a highly efficient and energy-saving flue gas treatment effect through the linkage of filtration, waste heat recovery, purification and mechanical cleaning.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A boiler flue gas treatment apparatus comprising an outer pipe (1), characterized in that: A filter assembly (2) is bolted to the right side of the external pipe (1), and a storage assembly (3) is connected to the top of the filter assembly (2). A cleaning assembly (4) is provided inside the storage assembly (3), and a pipe (5) is bolted to the left side of the storage assembly (3). The storage component (3) includes a housing (301), the top of which is connected to a first electronic valve (302), the top of which is connected to a connecting pipe (303) bolted to a pipe (5), the right side of which is connected to a second electronic valve (304), the right side of which is connected to a housing (305), the top of which is fitted with a top cover (306), the bottom of which is fitted with two odor filter plates (307), and the right side of which is connected to an exhaust pipe (308).

2. A boiler flue gas treatment apparatus according to claim 1, characterised in that: The cleaning component (4) includes an adjustment groove (401), a spiral rod (402) is rotatably connected to the top of the inner wall of the adjustment groove (401), an adjustment block (403) that cooperates with the adjustment groove (401) is threadedly connected to the surface of the spiral rod (402), and a knob (404) is fixedly connected to the bottom of the spiral rod (402).

3. A flue gas treatment apparatus according to claim 2, characterised in that: A scraper (405) is fixedly connected to the front side of the adjusting block (403). The scraper (405) is in contact with the inner wall of the box (301). The scraper (405) is made of stainless steel.

4. A flue gas treatment apparatus according to claim 3, characterised in that: The scraper (405) has an inclined plate (406) at its bottom. The inclined plate (406) is fixedly connected to the bottom of the inner wall of the box (301). The inclined plate (406) is made of stainless steel.

5. A boiler flue gas treatment apparatus according to claim 1, characterised in that: The filter assembly (2) includes a circular tube (201), and a mounting plate (202) is connected to the right side of the circular tube (201). A frame (203) is bolted to the surface of the mounting plate (202), and a plurality of dust filter plates (204) are snapped into the inner wall of the frame (203).

6. A flue gas treatment apparatus according to claim 5, characterised in that: The front and rear sides of the inner wall of the frame (203) are provided with insertion slots (205), and the front and rear sides of the dust filter plate (204) are fixedly connected with insertion blocks (206) that cooperate with the insertion slots (205).

7. A flue gas treatment apparatus according to claim 1, wherein: The top of the housing (305) is provided with a sealing groove (6), and the bottom of the top cover (306) is fixedly connected with a sealing block (7) that cooperates with the sealing groove (6).

8. A flue gas treatment apparatus according to claim 1, wherein: The bottom of the box (301) is fixedly connected to a support frame (8), and the surface of the support frame (8) is fixedly connected to an auxiliary frame (9).

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