Boiler waste heat recovery mechanism

By using a slide and filter cotton in conjunction with spray liquid to filter impurities in the flue gas in the boiler waste heat recovery mechanism, and fixing the slide with an extrusion assembly to facilitate disassembly and cleaning of the filter cotton, the problem of sludge blockage at the bottom of the flue gas treatment box is solved, improving the efficiency and convenience of waste heat recovery.

CN223709687UActive Publication Date: 2025-12-23JIANGSU XINJIE BOILER MFG CO LTD
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Patent Information

Application Number
CN202423299031.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-23
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing technologies, the flue gas treatment box of boiler waste heat recovery devices is prone to sludge formation at the bottom due to impurities, which can lead to blockage of the drain pipe and affect the performance.

Method used

A boiler waste heat recovery mechanism was designed, which uses a slide and filter cotton in combination. It filters impurities in flue gas by spraying liquid, and fixes the slide by a squeezing component to facilitate the disassembly and cleaning of the filter cotton.

Benefits of technology

It effectively separates impurities from flue gas, preventing impurities from accumulating at the bottom of the chamber and clogging the drain pipe, thus improving the efficiency of the waste heat recovery mechanism and the convenience of the filter cotton.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a boiler waste heat recovery mechanism which comprises a box body and a waste heat recovery assembly, one side of the box body is fixedly connected with an air inlet pipe, the air inlet pipe is communicated with the waste heat recovery assembly, the position, located above the air inlet pipe, in the box body is fixedly connected with a spraying frame, one end of a water inlet of the spraying frame penetrates through the box body, and the other end of the water inlet of the spraying frame penetrates through the box body. Sliding grooves which are connected end to end are formed in the positions, located below the spraying frame, of the inner walls of the multiple sides of the box body, sliding frames are slidably connected into the sliding grooves, a sleeve shell is fixedly connected to the outer wall of one side of the box body, and the sliding frames penetrate through the box body and extend into the sleeve shell. According to the waste heat recovery mechanism, impurities can be prevented from being accumulated at the bottom of the box body to block the liquid discharge pipe, the use effect of the waste heat recovery mechanism is improved, the sliding frame can be extruded and fixed, so that the sliding frame can be prevented from moving, a worker can conveniently detach the sliding frame to clean the filter cotton, and the working efficiency is improved. And the convenience of dismounting the filter cotton is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler waste heat recovery technical field especially relates to a boiler waste heat recovery mechanism. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, and the energy input to the boiler has chemical energy in fuel, electric energy, and the boiler exports steam, high-temperature water or organic heat carrier with certain heat energy, and heat is generated in the process of using the boiler, in order to reuse heat, waste heat is recycled.

[0003] According to the search, the boiler waste heat recovery device of the announcement No. CN219036691U is announced, and the smoke treatment tank of the device is equipped with spray assembly to treat waste gas, but impurities exist in waste gas, and sludge is formed at the bottom of smoke treatment tank after mixing with water, so that drain pipe is blocked, and then its use is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a boiler waste heat recovery mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of boiler waste heat recovery mechanism, including box and waste heat recovery component, the side of the box is fixedly connected with inlet pipe, and inlet pipe is communicated with waste heat recovery component, the position of the box in inlet pipe upper side is fixedly connected with spray shelf, and the one end of spray shelf water inlet passes through the box, the position of the multiple side inner wall of the box below spray shelf is all set with first letter connected sliding slot, sliding slot is slidably connected with sliding frame, the side outer wall of the box is fixedly connected with sleeve, and sliding frame extends into sleeve by passing through the box, the filter cotton is fixedly connected in the sliding frame, the sleeve is equipped with extrusion component for limiting sliding frame, the position of the side of the box close to bottom is fixedly connected with drain pipe, and the outside of drain pipe is equipped with valve.

[0007] As the further scheme of the utility model, the extrusion component includes two wedge blocks, two The wedge blocks are slidably connected in the sleeve, the position of the both ends of the sliding frame in the sleeve is equipped with inclined plane, two The wedge blocks are respectively attached to two inclined planes, so that wedge block extrusion limiting sliding frame, the side outer wall of the box is equipped with the drive assembly for driving wedge block to move.

[0008] As a further scheme of the utility model, the driving assembly comprises two fixed blocks, the two fixed blocks are fixedly connected to the position below the sleeve on the one side outer wall of the box body, a threaded sleeve is rotatably connected between the two fixed blocks, two threaded rods are threadedly connected in the threaded sleeve, one end of each of the two threaded rods is fixedly connected with an L-shaped frame through the two fixed blocks, H-shaped rods are fixedly connected to the opposite sides of the two wedge-shaped blocks, and the H-shaped rods are fixed to the L-shaped frames through the sleeve.

[0009] As a further scheme of the utility model, a knob for rotating the threaded sleeve is fixedly connected to the outside of the threaded sleeve.

[0010] As a further scheme of the utility model, the two wedge-shaped blocks are located on the two sides of the slide frame.

[0011] As a further scheme of the utility model, a liquid level sensor is fixedly connected to the position below the slide frame on the inner wall of the one side of the box body.

[0012] As a further scheme of the utility model, a gas outlet pipe is fixedly connected to the position at the center of the top of the box body.

[0013] The utility model has the advantages of:

[0014] 1. In the utility model, when the recovered flue gas enters the box body and is sprayed by the liquid, the filter cotton filters the sprayed liquid, thereby separating the impurities carried in the liquid from the liquid, avoiding the accumulation of impurities in the bottom of the box body and blocking the drain pipe, and improving the use effect of the waste heat recovery mechanism.

[0015] 2. In the utility model, when the slide frame is installed in the box body, the extrusion assembly extrudes and fixes the slide frame, thereby avoiding the movement of the slide frame, and when the filter cotton is used for a long time, the slide frame can be easily disassembled for cleaning, improving the convenience of disassembling the filter cotton. DRAWINGS

[0016] Fig. 1 A front side three-dimensional structure schematic view of a boiler waste heat recovery mechanism is provided for the utility model;

[0017] Fig. 2 A box body cross-sectional structure schematic view of a boiler waste heat recovery mechanism is provided for the utility model;

[0018] Fig. 3 A local enlarged structure schematic view of a boiler waste heat recovery mechanism is provided for the utility model.

[0019] In the figure: 1, box; 2, air outlet pipe; 3, air inlet pipe; 4, spray frame; 5, liquid level sensor; 7, wedge block; 8, fixed block; 9, sliding frame; 10, knob; 11, threaded sleeve; 12, threaded rod; 13, inclined surface; 14, L-shaped frame; 15, H-shaped rod; 16, sliding groove; 17, filter cotton; 18, liquid discharge pipe; 19, waste heat recovery assembly; 20, sleeve. DETAILED DESCRIPTION

[0020] 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. 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, other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Referring to Figs. 1-3 A boiler waste heat recovery mechanism, including box 1 and waste heat recovery assembly 19, one side of box 1 is welded with air inlet pipe 3, and air inlet pipe 3 is communicated with waste heat recovery assembly 19, waste heat recovery assembly 19 includes boiler waste heat recovery tank, spiral blade and water delivery pipe, and the boiler waste heat recovery tank is provided with gas delivery pipe and exhaust pipe, and the exhaust pipe is communicated with air inlet pipe 3, the spiral blade is arranged in the boiler waste heat recovery tank, the water delivery pipe is arranged on the boiler waste heat recovery tank, and the spiral blade is arranged on the outer side of the water delivery pipe, and the waste heat recovery assembly 19 is the prior art in the document cited in the application background, and the working principle will not be described here;

[0022] The position of the box 1 above the air inlet pipe 3 is fixed with the spray frame 4 by the bolt, and the one end of the spray frame 4 water inlet passes through the box 1, the position of the inner wall of the box 1 below the spray frame 4 is provided with the sliding groove 16 connected in sequence, the sliding groove 16 is slidably connected with the sliding frame 9, the outer wall of the box 1 is fixed with the sleeve 20 by the bolt, and the sliding frame 9 extends into the sleeve 20 through the box 1, the filter cotton 17 is bonded in the sliding frame 9, the sleeve 20 is provided with the extrusion assembly for limiting the sliding frame 9, the liquid discharge pipe 18 is welded on the position of the one side of the box 1 near the bottom, and the valve is arranged on the outer side of the liquid discharge pipe 18, so that the flue gas enters into the box 1 through the air inlet pipe 3, at this time, the flue gas in the box 1 is sprayed by the spray frame 4, so that the dust in the flue gas is adsorbed and carried down, at this time, the liquid carrying dust falls on the filter cotton 17, the filter cotton 17 filters the dust impurities in the liquid, separates the impurities carried in the liquid from the liquid, so that the impurities can be avoided to be accumulated and blocked in the bottom of the box 1, and the use effect of the waste heat recovery mechanism is improved.

[0023] The utility model discloses a extrusion assembly includes two wedge blocks 7, two wedge blocks 7 all slidingly connected in the sleeve shell 20, the position of both ends of slide 9 in sleeve shell 20 is equipped with inclined plane 13, two wedge blocks 7 respectively with two inclined plane 13 are pasted, make wedge block 7 extrude the limit of slide 9, the one side outer wall of box 1 is equipped with the drive assembly of the driving wedge block 7 movement, drive assembly includes two fixed blocks 8, two fixed blocks 8 all are welded in the position of the one side outer wall of box 1 below sleeve shell 20, the rotationally connected with screw sleeve 11 between two fixed blocks 8, two threaded rods 12 are screwedly connected in screw sleeve 11, and one end of two threaded rods 12 respectively passes through two fixed blocks 8 and is welded with L type frame 14, and the opposite side of two wedge blocks 7 all are fixed with H type rod 15 through bolt, and H type rod 15 passes through sleeve shell 20 and is fixed with L type frame 14, when filter cotton 17 long -time use, rotate screw sleeve 11, and screw sleeve 11 will make threaded rod 12 move to screw sleeve 11 through the thread engagement between screw sleeve 11 and threaded rod 12, and threaded rod 12 will drive L type frame 14 to move, and L type frame 14 will drive wedge block 7 to move through H type rod 15, make wedge block 7 no longer extrude slide 9, at this moment, can slide 9 be taken out from box 1, thereby the filter cotton 17 is cleaned, and the staff is convenient to the filter cotton 17 of dismounting down and cleaned, improve the convenience of filter cotton 17 dismounting, simultaneously, through wedge block 7 extrude slide 9, make slide 9 unable to move, thereby stably install slide 9 in box 1,

[0024] Especially, the outside of screw sleeve 11 is welded with knob 10 for rotating screw sleeve 11, two wedge blocks 7 are located at the two sides of slide 9 respectively, the liquid level sensor 5 is fixed by bolt at the position of the inner wall of the one side of box 1 below slide 9, the model of liquid level sensor 5 is DP / KGU9901, the liquid level of liquid in box 1 can be detected in real time by liquid level sensor 5, so that the staff can know the height of liquid level, and the staff can timely discharge the liquid in box 1, the gas outlet pipe 2 is welded at the position of the top of box 1 at the center, and the gas outlet pipe 2 is used for discharging the treated flue gas.

[0025] Working principle: when in use, the flue gas of the boiler is recovered by the waste heat recovery assembly 19, and then enters the box 1 through the inlet pipe 3, at this time, the flue gas entering the box 1 is sprayed by the spraying frame 4, so as to adsorb the dust in the flue gas and carry the dust down, at this time, the liquid carrying dust will fall on the filter cotton 17, the filter cotton 17 will filter the dust impurities in the liquid, separate the impurities carried in the liquid from the liquid, so as to avoid the accumulation of impurities in the bottom of the box 1 and block the drain pipe 18, improve the use effect of the waste heat recovery mechanism, when the filter cotton 17 is used for a long time, rotate the threaded sleeve 11, the threaded sleeve 11 will make the threaded rod 12 move into the threaded sleeve 11 through the threaded engagement between the threaded sleeve 11 and the threaded rod 12, the threaded rod 12 will drive the L-shaped frame 14 to move, the L-shaped frame 14 will drive the wedge block 7 to move through the H-shaped rod 15, so that the wedge block 7 no longer extrudes the sliding frame 9, at this time, the sliding frame 9 can be taken out from the box 1, so as to clean the filter cotton 17, which facilitates the workers to disassemble the sliding frame 9 to clean the filter cotton 17, and improves the convenience of disassembling the filter cotton 17.

[0026] In addition, the terms "mounting", "setting", "connecting", "sleeving" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.

Claims

1. A boiler waste heat recovery mechanism, comprising a box (1) and a waste heat recovery assembly (19), one side of the box (1) is fixedly connected with an air inlet pipe (3), and the air inlet pipe (3) is communicated with the waste heat recovery assembly (19), characterized in that, The box (1) is fixedly connected with a spraying frame (4) above the air inlet pipe (3), one end of the water inlet of the spraying frame (4) penetrates the box (1), the inner walls of the box (1) are provided with first connected sliding grooves (16) below the spraying frame (4), the sliding grooves (16) are slidably connected with a sliding frame (9), one side outer wall of the box (1) is fixedly connected with a sleeve (20), the sliding frame (9) extends into the sleeve (20) through the box (1), the sliding frame (9) is fixedly connected with filter cotton (17), the sleeve (20) is provided with an extrusion assembly for limiting the sliding frame (9), one side of the box (1) near the bottom is fixedly connected with a drain pipe (18), the outer side of the drain pipe (18) is provided with a valve.

2. A boiler heat recovery device according to claim 1, wherein The extrusion assembly comprises two wedge blocks (7), both of which are slidably connected in the sleeve (20), both ends of the sliding frame (9) are provided with inclined surfaces (13) in the sleeve (20), and the two wedge blocks (7) are respectively attached to the two inclined surfaces (13), so that the wedge blocks (7) extrude and limit the sliding frame (9), and the outer wall of the box (1) is provided with a driving assembly for driving the wedge blocks (7) to move.

3. A boiler heat recovery device according to claim 2, wherein The driving assembly comprises two fixed blocks (8), both of which are fixedly connected to the outer wall of the box (1) below the sleeve (20), a threaded sleeve (11) is rotatably connected between the two fixed blocks (8), two threaded rods (12) are threadedly connected in the threaded sleeve (11), one end of each of the two threaded rods (12) penetrates the two fixed blocks (8) and is fixedly connected with an L-shaped frame (14), and the opposite sides of the two wedge blocks (7) are fixedly connected with H-shaped rods (15), and the H-shaped rods (15) penetrate the sleeve (20) and are fixed with the L-shaped frames (14).

4. A boiler heat recovery device according to claim 3, wherein The outer side of the threaded sleeve (11) is fixedly connected with a knob (10) for rotating the threaded sleeve (11).

5. A boiler heat recovery device according to claim 2, wherein Both of the wedge blocks (7) are located on both sides of the sliding frame (9).

6. A boiler heat recovery device according to claim 1, wherein The inner wall of the box (1) is fixedly connected with a liquid level sensor (5) below the sliding frame (9).

7. A boiler heat recovery device according to claim 6, wherein The top of the box (1) is fixedly connected with an air outlet pipe (2) at the center.

Citation Information

Patent Citations

  • Boiler waste heat recovery device

    CN219036691U