Scale removing mechanism for low-nitrogen condensing furnace

Abstract

The utility model discloses a scaling removal mechanism for a low-nitrogen condensing furnace, which belongs to the field of descaling devices and comprises a low-nitrogen condensing furnace body, a descaling component is arranged outside the low-nitrogen condensing furnace body, a lifting component is connected to the right end of the descaling component, and a flushing component is connected to the outside of the lifting component. According to the technical scheme, the low-nitrogen condensing furnace is characterized in that the descaling assembly is arranged, an inner scraper and an outer scraper are connected through the first support and the second support, the inner scraper can be used for removing water scale on the inner wall of the low-nitrogen condensing furnace body, meanwhile, the outer scraper can be used for removing water scale on the inner wall of the low-nitrogen condensing furnace body, and meanwhile the outer scraper can be used for removing water scale on the inner wall of the low-nitrogen condensing furnace body. According to the low-nitrogen condensing furnace, the outer scraping plate can be used for scraping water scale and dirt on the outer wall of the low-nitrogen condensing furnace body, water scale and dirt inside and outside the low-nitrogen condensing furnace can be removed at the same time, and the descaling assembly is completely independent of the low-nitrogen condensing furnace body and can be conveniently detached from the low-nitrogen condensing furnace body, so that the low-nitrogen condensing furnace is more flexible to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a scale removing device field especially relates to a scale removing mechanism for low nitrogen condensing furnace. BACKGROUND

[0002] The scale removing device of low nitrogen condensing furnace is mainly used for removing scale inside and outside equipment to maintain high efficient heat exchange performance and prolong service life.

[0003] In the Chinese patent with application number CN202120520119.7, a scale cleaning structure for the inner wall of a fully premixed ultra-low nitrogen condensing boiler is disclosed. The utility model injects a descaling agent into the feeding cylinder, then closes the second sealing valve, seals the furnace body through the second sealing valve, opens the first sealing valve, and adds the descaling agent into the inner cavity of the furnace body without reducing the furnace pressure. After the descaling agent mixes with the water in the furnace body and is heated, the scale on the inner wall of the furnace body can be softened and removed by the descaling agent.

[0004] However, the existing scale removing device of low nitrogen condensing furnace has certain drawbacks. The scale removing mechanism is integrally arranged with the low nitrogen condensing furnace, which is difficult to disassemble. Moreover, the scale removing device of low nitrogen condensing furnace can only remove the scale on the inner wall of the low nitrogen condensing furnace, and cannot remove the scale and dirt inside and outside the low nitrogen condensing furnace at the same time. Therefore, we propose a scale removing mechanism for low nitrogen condensing furnace. Utility model content

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a scale removing mechanism for low nitrogen condensing furnace. By arranging a scale removing assembly, the inner scraper and the outer scraper are connected by the bracket one and the bracket two. The inner scraper can be used to remove the scale on the inner wall of the low nitrogen condensing furnace. At the same time, the outer scraper can be used to remove the scale and dirt on the outer wall of the low nitrogen condensing furnace. The scale and dirt inside and outside the low nitrogen condensing furnace can be removed at the same time. Moreover, the scale removing assembly is completely independent of the low nitrogen condensing furnace body, which is convenient to disassemble with the low nitrogen condensing furnace body and more flexible to use.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A scale removing mechanism for low nitrogen condensing furnace, comprising a low nitrogen condensing furnace body, a scale removing assembly is arranged outside the low nitrogen condensing furnace body, a lifting assembly is connected to the right end of the scale removing assembly, and a flushing assembly is connected to the outside of the lifting assembly.

[0008] The descaling assembly comprises a bracket one and a bracket two, the bracket one and the bracket two are fixedly connected, the bracket one is slidingly arranged in the inside of the low-nitrogen condensing furnace body, the bracket two is slidingly arranged outside the low-nitrogen condensing furnace body, the right end of the bracket one is fixedly connected with a plurality of connecting columns one, the right end of each of the plurality of connecting columns one is fixedly connected with a connecting plate one, the outside of the connecting plate one is detachably connected with an inner scraper through locking screws, the locking screws are threadedly connected with the connecting plate one and the inner scraper, the left end of the bracket two is fixedly connected with a plurality of connecting columns two, the left end of each of the plurality of connecting columns two is fixedly connected with a connecting plate two, the outside of the connecting plate two is detachably connected with an outer scraper through locking screws, the locking screws are threadedly connected with the connecting plate two and the outer scraper.

[0009] By arranging the descaling assembly, the inner scraper and the outer scraper are connected by the bracket one and the bracket two, the inner scraper can be used to remove the scale on the inner wall of the low-nitrogen condensing furnace body, at the same time, the outer scraper can be used to remove the scale and dirt on the outer wall of the low-nitrogen condensing furnace body, the scale and dirt inside and outside the low-nitrogen condensing furnace can be removed at the same time, and the descaling assembly is completely independent of the low-nitrogen condensing furnace body, which is convenient to disassemble from the low-nitrogen condensing furnace body and more flexible to use.

[0010] Further, the inner scraper is fitted to the inner wall of the low-nitrogen condensing furnace body, and the outer scraper is fitted to the outer wall of the low-nitrogen condensing furnace body.

[0011] The inner scraper is fitted to the inner wall of the low-nitrogen condensing furnace body, and the outer scraper is fitted to the outer wall of the low-nitrogen condensing furnace body.

[0012] Further, the lifting assembly comprises a bottom plate, the bottom plate is movably placed on the right side of the low-nitrogen condensing furnace body, the upper end of the bottom plate is fixedly connected with a support frame, and the left end of the support frame is provided with a sliding groove.

[0013] Further, the upper end of the support frame is fixedly connected with a driving motor, the lower end of the output end of the driving motor is fixedly connected with a lead screw, the outside of the lead screw is movably connected with a sliding block, the sliding block is matched with the lead screw, and the lead screw is rotationally connected with the support frame.

[0014] Further, the inside of the support frame is fixedly connected with a guide rod, the outside of the guide rod is slidingly connected with a guide block, the guide block is fixedly connected with the sliding block, the sliding block penetrates through and is slidingly connected with the sliding groove, the left end of the sliding block is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the bracket two.

[0015] Further, the flushing assembly comprises a medicament box fixedly connected to the upper end of the bottom plate, and a water injection pipe fixedly communicated with the upper end of the medicament box.

[0016] Further, the upper end of the medicament box is fixedly connected with a delivery pump, the input end of the delivery pump is fixedly communicated with an input pipe, the input pipe extends into the medicament box and is fixedly connected with the medicament box, the output end of the delivery pump is fixedly communicated with an output hose, and the lower end of the output hose is fixedly connected with a spray head.

[0017] Further, the front end of the support frame is fixedly connected with a spool, and the output hose is wound on the outside of the spool.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. The descaling assembly is provided, the inner scraper and the outer scraper are connected by the support one and the support two, the inner scraper can be used for removing the scale on the inner wall of the low-nitrogen condensing furnace body, and meanwhile, the outer scraper can be used for scraping the scale and dirt on the outer wall of the low-nitrogen condensing furnace body, so that the scale and dirt inside and outside the low-nitrogen condensing furnace body can be removed at the same time, and the descaling assembly is completely independent of the low-nitrogen condensing furnace body, so that the low-nitrogen condensing furnace body can be conveniently disassembled and used more flexibly.

[0020] 2. The inner wall of the low-nitrogen condensing furnace body is attached to the inner scraper, and the two are slidingly arranged, so that the inner wall of the low-nitrogen condensing furnace body can be cleaned by the inner scraper; the outer wall of the low-nitrogen condensing furnace body is attached to the outer scraper, and the two are also slidingly arranged, so that the outer wall of the low-nitrogen condensing furnace body can be cleaned by the outer scraper. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure in the embodiment;

[0022] Figure 2 is a schematic diagram of the structure of the descaling assembly and the lifting assembly in the embodiment;

[0023] Figure 3 is a schematic diagram of the structure of the descaling assembly in the embodiment;

[0024] Figure 4 is a schematic diagram of the structure of the plane of the descaling assembly in the embodiment;

[0025] Figure 5 is a schematic diagram of the structure of the flushing assembly in the embodiment.

[0026] In the figure, 1, low-nitrogen condensing furnace body; 2, descaling assembly; 201, support one; 202, support two; 203, connecting column one; 204, connecting piece one; 205, locking screw; 206, inner scraper; 207, connecting column two; 208, connecting piece two; 209, outer scraper; 3, lifting assembly; 301, bottom plate; 302, support frame; 303, sliding groove; 304, driving motor; 305, screw rod; 306, sliding block; 307, guide rod; 308, guide block; 309, connecting plate; 4, flushing assembly; 401, medicament box; 402, water injection pipe; 403, delivery pump; 404, input pipe; 405, output hose; 406, spray head; 407, spool. DETAILED DESCRIPTION

[0027] The utility model will be described in further detail below with reference to the drawings.

[0028] Wherein same part is indicated with same reference numerals. It is explained that, the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0029] Referring to Figure 1 As shown in the figure, the utility model is a kind of low-nitrogen condensing furnace scale removal mechanism in preferred embodiment, including low-nitrogen condensing furnace body 1, the outside of low-nitrogen condensing furnace body 1 is provided with descaling assembly 2, the right end of descaling assembly 2 is connected with lifting assembly 3, and the outside of lifting assembly 3 is connected with flushing assembly 4;

[0030] Referring to Figures 1-4 As shown in the figure, descaling assembly 2 includes support one 201 and support two 202, and support one 201 is fixedly connected with support two 202, support one 201 is slidably arranged in the inside of low-nitrogen condensing furnace body 1, and support two 202 is slidably arranged in the outside of low-nitrogen condensing furnace body 1, the right end of support one 201 is fixedly connected with a plurality of connecting columns one 203, the right end of a plurality of connecting columns one 203 is fixedly connected with connecting piece one 204, and the outside of connecting piece one 204 is detachably connected with inner scraper 206 by locking screw 205, locking screw 205 is threadedly connected with connecting piece one 204 and inner scraper 206, the left end of support two 202 is fixedly connected with a plurality of connecting columns two 207, the left end of a plurality of connecting columns two 207 is fixedly connected with connecting piece two 208, and the outside of connecting piece two 208 is detachably connected with outer scraper 209 by locking screw 205, and locking screw 205 is threadedly connected with connecting piece two 208 and outer scraper 209.

[0031] By setting the descaling assembly 2, the inner scraper 206 and the outer scraper 209 are connected by the support one 201 and the support two 202, the inner scraper 206 can be used to remove the scale on the inner wall of the low-nitrogen condensing furnace body 1, at the same time, the outer scraper 209 can be used to remove the scale and dirt on the outer wall of the low-nitrogen condensing furnace body 1, the scale and dirt inside and outside the low-nitrogen condensing furnace can be removed at the same time, and the descaling assembly 2 is completely independent of the low-nitrogen condensing furnace body 1, which is convenient to disassemble with the low-nitrogen condensing furnace body 1 and more flexible to use.

[0032] Referring to Figures 1-4 As shown in the figure, the inner scraper 206 is attached to the inner wall of the low-nitrogen condensing furnace body 1, and the outer scraper 209 is attached to the outer wall of the low-nitrogen condensing furnace body 1.

[0033] The inner scraper 206 is attached to the inner wall of the low-nitrogen condensing furnace body 1, and the two are slidingly arranged, the inner scraper 206 can be used to clean the inner wall of the low-nitrogen condensing furnace body 1, the outer scraper 209 is attached to the outer wall of the low-nitrogen condensing furnace body 1, and the two are also slidingly arranged, the outer scraper 209 can be used to clean the outer wall of the low-nitrogen condensing furnace body 1.

[0034] Referring to Figures 1-2 As shown in the figure, the lifting assembly 3 includes a bottom plate 301, which is movably placed on the right side of the low-nitrogen condensing furnace body 1, the upper end of the bottom plate 301 is fixedly connected with a support frame 302, and the left end of the support frame 302 is provided with a sliding groove 303.

[0035] Referring to Figures 1-2 As shown in the figure, the upper end of the support frame 302 is fixedly connected with a driving motor 304, the lower end of the output end of the driving motor 304 is fixedly connected with a lead screw 305, the outer portion of the lead screw 305 is movably connected with a sliding block 306, the sliding block 306 is matched with the lead screw 305, and the lead screw 305 is rotatably connected with the support frame 302.

[0036] Referring to Figures 1-2 As shown in the figure, the inside of the support frame 302 is fixedly connected with a guide rod 307, the outside of the guide rod 307 is slidingly connected with a guide block 308, the guide block 308 is fixedly connected with the sliding block 306, the sliding block 306 penetrates through the sliding groove 303 and is slidingly connected with the sliding groove 303, the left end of the sliding block 306 is fixedly connected with a connecting plate 309, and the connecting plate 309 is fixedly connected with the support two 202.

[0037] By setting the lifting assembly 3, the driving motor 304 drives the lead screw 305 to rotate, thereby driving the sliding block 306 and the guide block 308 to move up and down, and further driving the connecting plate 309 and the descaling assembly 2 to move up and down, thereby completely removing the scale on the inner and outer walls of the low-nitrogen condensing furnace body 1, and the guide block 308 and the guide rod 307 can guide the sliding block 306.

[0038] Referring to Figure 1 and Figure 5 As shown in the figure, the flushing assembly 4 comprises a medicament tank 401 fixedly connected to the upper end of the bottom plate 301, and the upper end of the medicament tank 401 is fixedly connected with a water injection pipe 402.

[0039] By setting the water injection pipe 402, a medicament such as a descaling agent can be added to the inside of the medicament tank 401 to descale the low-nitrogen condensing furnace body 1.

[0040] Referring to Figure 1 and Figure 5 As shown in the figure, the upper end of the medicament tank 401 is fixedly connected with a delivery pump 403, the input end of the delivery pump 403 is fixedly connected with an input pipe 404, the input pipe 404 extends to the inside of the medicament tank 401 and is fixedly connected with the medicament tank 401, and the output end of the delivery pump 403 is fixedly connected with an output hose 405, and the lower end of the output hose 405 is fixedly connected with a spray head 406.

[0041] By setting the delivery pump 403, the delivery pump 403 draws the descaling agent through the input pipe 404 to the output hose 405, and finally sprays it out from the spray head 406, and uses the descaling agent to flush and descale the inside and outside of the low-nitrogen condensing furnace body 1.

[0042] Referring to Figure 1 and Figure 5 As shown in the figure, the front end of the support frame 302 is fixedly connected with a spool 407, and the output hose 405 is wound outside the spool 407.

[0043] By setting the spool 407, it can be used to wind a longer output hose 405, which is convenient for storing the output hose 405.

[0044] Specific implementation process: when descaling the low-nitrogen condensing furnace body 1, first remove the furnace cover of the low-nitrogen condensing furnace body 1, then take the output hose 405 from the spool 407, the delivery pump 403 draws the descaling agent through the input pipe 404 to the output hose 405, and finally sprays it out from the spray head 406, and uses the descaling agent to flush and descale the inside and outside of the low-nitrogen condensing furnace body 1.

[0045] Then move the descaling assembly 2 and the lifting assembly 3 to the appropriate position, so that the inner scraper 206 is in close contact with the inner wall of the low-nitrogen condensing furnace body 1, and the outer scraper 209 is in close contact with the outer wall of the low-nitrogen condensing furnace body 1.

[0046] The driving motor 304 drives the screw rod 305 to rotate, thereby driving the sliding block 306 and the guide block 308 to move up and down, and further driving the connecting plate 309 and the descaling assembly 2 to move up and down, so as to clean the inner wall of the low-nitrogen condensing furnace body 1 by the inner scraper 206 and clean the outer wall of the low-nitrogen condensing furnace body 1 by the outer scraper 209, and finally the pipeline valve at the bottom of the low-nitrogen condensing furnace body 1 can be opened to discharge waste liquid.

[0047] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A scaling removal mechanism for a low-NOx condensing furnace, characterized in that: The system includes a low-NOx condensing furnace body (1), a descaling component (2) is provided on the outside of the low-NOx condensing furnace body (1), a lifting component (3) is connected to the right end of the descaling component (2), and a flushing component (4) is connected to the outside of the lifting component (3). The descaling assembly (2) includes a first bracket (201) and a second bracket (202). The first bracket (201) and the second bracket (202) are fixedly connected. The first bracket (201) is slidably disposed inside the low-NOx condensing furnace body (1), and the second bracket (202) is slidably disposed outside the low-NOx condensing furnace body (1). A plurality of connecting posts (203) are fixedly connected to the right end of the first bracket (201), and a connecting piece (204) is fixedly connected to the right end of each of the plurality of connecting posts (203). The outside of the connecting piece (204) is secured by a locking screw. (205) An inner scraper (206) is detachably connected. The locking screw (205) is threadedly connected to the connecting piece (204) and the inner scraper (206). Multiple connecting posts (207) are fixedly connected to the left end of the bracket (202). A connecting piece (208) is fixedly connected to the left end of each of the multiple connecting posts (207). An outer scraper (209) is detachably connected to the outside of the connecting piece (208) through the locking screw (205). The locking screw (205) is threadedly connected to the connecting piece (208) and the outer scraper (209).

2. A scale removing mechanism for a low nitrogen condensing furnace according to claim 1, characterized in that: The inner scraper (206) is attached to the inner wall of the low-NOx condensing furnace body (1), and the outer scraper (209) is attached to the outer wall of the low-NOx condensing furnace body (1).

3. A scale removing mechanism for a low nitrogen condensing furnace according to claim 1, characterized in that: The lifting assembly (3) includes a base plate (301), which is movably placed on the right side of the low-NOx condensing furnace body (1). A support frame (302) is fixedly connected to the upper end of the base plate (301), and a sliding groove (303) is provided on the left end of the support frame (302).

4. The scaling removal mechanism for a low-NOx condensing furnace according to claim 3, characterized in that: The upper end of the support frame (302) is fixedly connected to a drive motor (304), the lower end of the output end of the drive motor (304) is fixedly connected to a lead screw (305), a slider (306) is movably connected to the outside of the lead screw (305), the slider (306) is adapted to the lead screw (305), and the lead screw (305) is rotatably connected to the support frame (302).

5. The scaling removal mechanism for a low-NOx condensing furnace according to claim 4, characterized in that: The support frame (302) is internally fixedly connected to a guide rod (307), and the guide rod (307) is externally slidably connected to a guide block (308). The guide block (308) is fixedly connected to a slider (306). The slider (306) passes through a slide groove (303) and is slidably connected to the slide groove (303). The left end of the slider (306) is fixedly connected to a connecting plate (309), and the connecting plate (309) is fixedly connected to the bracket (202).

6. The scaling removal mechanism for a low-NOx condensing furnace according to claim 3, characterized in that: The flushing assembly (4) includes a medicine tank (401), which is fixedly connected to the upper end of the base plate (301), and the upper end of the medicine tank (401) is fixedly connected to a water injection pipe (402).

7. The scaling removal mechanism for a low-NOx condensing furnace according to claim 6, characterized in that: A delivery pump (403) is fixedly connected to the upper end of the medicine tank (401). An input pipe (404) is fixedly connected to the input end of the delivery pump (403). The input pipe (404) extends into the interior of the medicine tank (401) and is fixedly connected to the medicine tank (401). An output hose (405) is fixedly connected to the output end of the delivery pump (403). A nozzle (406) is fixedly connected to the lower end of the output hose (405).

8. The scaling removal mechanism for a low-NOx condensing furnace according to claim 7, characterized in that: The front end of the support frame (302) is fixedly connected to an I-beam wheel (407), and the output hose (405) is wrapped around the outside of the I-beam wheel (407).

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