Brazing furnace with waste heat recycling mechanism
By designing a brazing furnace with a waste heat recovery mechanism, the problem of heat waste and environmental pollution caused by the direct discharge of brazing furnace exhaust gas has been solved. This has achieved efficient flue gas impurity filtration and heat recovery, reducing the frequency and physical exertion of workers cleaning filter plates.
Patent Information
- Application Number
- CN202520256702.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The direct discharge of exhaust gas from existing brazing furnaces leads to heat waste and environmental pollution, and the exhaust gas contains impurities.
The brazing furnace is designed with a waste heat recovery mechanism, including a filter box, a heat exchange box, water pipes and heat exchange tubes. After filtering impurities through the filter plate, the heat in the flue gas is recovered and utilized, and the filter plate is automatically cleaned by a motor-driven cleaning brush, reducing manual intervention.
It achieves flue gas impurity filtration and heat recovery, reducing heat waste and environmental pollution, and lowering the frequency and physical exertion of workers cleaning the filter plates.
Smart Images

Figure CN223876244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brazing furnace technical field especially relates to a brazing furnace with waste heat recycling mechanism. BACKGROUND
[0002] Brazing furnace is a kind of equipment for metal brazing and bright heat treatment, it is applicable to small and medium-sized stainless steel parts tableware, cutlery, hardware etc. of batch production, such as martensitic stainless steel bright quenching, tempering, austenitic stainless steel bright annealing, the waste gas of existing brazing furnace combustion is directly discharged to outdoor, since waste gas itself carries heat, directly discharging heat, it is easy to cause heat waste, and impurities are easily mixed in waste gas, directly discharged to outdoor, it is easy to cause the pollution of surrounding environment, for this purpose, the utility model provides a brazing furnace with waste heat recycling mechanism. SUMMARY
[0003] In order to solve the above problems, the utility model provides a brazing furnace with waste heat recycling mechanism to solve the problems in the background art.
[0004] The utility model discloses a brazing furnace with waste heat recycling mechanism, including the bottom plate, the bottom plate places the furnace body, filter box and heat exchange box, the furnace body top is connected through the pipeline and passes through the filter box, the filter box side wall is fixed with motor, the motor output is equipped with the lead screw, the lead screw is connected the sliding block on the screw thread, the sliding block lower extreme is equipped with the cleaning brush, installs the filter plate in the filter box, the filter plate one side is equipped with the first jack, the first jack sliding connection plug rod, the plug rod is fixed to set in the filter box inner wall place, the plug rod outside is equipped with spring, the plug rod outside is equipped with the limit board and moves, the filter box is connected with heat exchange box through the pipeline, installs the heat exchange pipe in the heat exchange box, the heat exchange pipe is connected with pipeline, is equipped with the water pipe in the heat exchange box upper and lower intercommunication.
[0005] In the scheme, the filter box is fixed with the sliding rod, and the sliding block is movably arranged on the sliding rod.
[0006] In the scheme, the filter box is connected with the collecting box on one side.
[0007] In the scheme, the pipeline in the heat exchange box discharges smoke from top to bottom, and the water pipe in the heat exchange pipe discharges water from bottom to top.
[0008] In the scheme, the second jack is formed in the upper end of the filter plate, the fixed plate is arranged on the outer wall of the filter box, the plug rod is movably arranged in the fixed plate, and the spring and the limit board are arranged on the outer portion of the plug rod.
[0009] In the scheme, the handle is fixed on the outer side of the filter plate.
[0010] The filter box is internally fixed with a supporting seat, the upper end of the supporting seat is provided with a roller, and the upper end of the roller is movably provided with a filter plate.
[0011] The advantages and beneficial effects of the utility model lie in that: the utility model provides a brazing furnace with waste heat recycling mechanism, through filter box, filter plate, heat exchange box, water pipe and heat exchange pipe, can high efficiency complete to the filtration and heat recovery effect of flue gas, reduce heat waste and environmental pollution, through motor, screw rod, slide rod, sliding block, cleaning brush and collection box, do not need worker to dismantle filter plate frequently and clean, save physical strength, through first jack, second jack, limit board, plug rod, spring and fixed plate, bring convenient for worker to replace filter plate. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0013] Fig. 1 It is a structural schematic diagram of the utility model.
[0014] Fig. 2 It is a filter plate structure schematic diagram of the utility model.
[0015] Fig. 3 It is a supporting seat structure schematic diagram of the utility model.
[0016] In the drawing: 1, bottom plate 11, furnace body 12, pipeline 13, heat exchange box 14, water pipe 15, heat exchange pipe 2, filter box 21, motor 22, screw rod 23, slide rod 24, sliding block 25, cleaning brush 26, collection box 3, filter plate 31, first jack 32, plug rod 33, limit board 34, spring 4, handle 41, fixed plate 42, second jack 43, supporting seat 44, roller. DETAILED DESCRIPTION
[0017] The specific implementation of the utility model will be further described below in combination with the drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.
[0018] As Figs. 1-3The utility model discloses a brazing furnace with waste heat recycling mechanism, including bottom plate 1, the bottom plate 1 is placed furnace body 11, filter box 2 and heat exchange box 13, the top of furnace body 11 is connected through the filter box 2 through pipeline 12, the lateral wall of filter box 2 is fixed with motor 21, the output of motor 21 is equipped with screw rod 22, the screw rod 22 is connected the sliding block 24 on the thread, the lower end of sliding block 24 is equipped with cleaning brush 25, installs filter plate 3 in filter box 2, when the smoke with the temperature of brazing furnace is led out, because the inclusion of too many impurities in the smoke, directly leading out is easy to cause environmental pollution, and the filter plate 3 can filter the impurities in the smoke, when the surface of filter plate 3 is blocked, by opening motor 21 switch, the screw rod 22 of motor 21 output starts to rotate, the rotation of screw rod 22 can drive the sliding block 24 of external thread connection to start moving, and the sliding block 24 drives the lower end cleaning brush 25 to move, the one side of filter box 2 is connected with collecting box 26, and the impurities are pushed into collecting box 26, and the impurities are collected, and then the surface of filter plate 3 can be cleaned conveniently, and the filter plate 3 does not need to be frequently disassembled and cleaned by workers, and physical strength is saved.
[0019] The filter plate 3 one side is equipped with first jack 31, the first jack 31 sliding connection plug rod 32, the plug rod 32 fixed setting is in filter box 2 inner wall place, the plug rod 32 outside is equipped with spring 34, the plug rod 32 outside is movably provided with limit stop 33, when needing to install filter plate 3, filter plate 3 is inserted into filter box 2, and the first jack 31 of filter plate 3 side is inserted into plug rod 32, and plug rod 32 pushes limit stop 33, and limit stop 33 extrudes spring 34, the second jack 42 of filter plate 3 outside upper end is set, the outer wall of filter box 2 is equipped with fixed plate 41, the fixed plate 41 is movably provided with plug rod 32, the plug rod 32 is equipped with spring 34 and limit stop 33 outside, after filter plate 3 is inserted into filter box 2, the second jack 42 of filter plate 3 outside is located at the lower end of plug rod 32 at fixed plate 41, and the plug rod 32 is loosened, and the limit stop 33 of fixed setting outside plug rod 32 is pushed down by spring 34 here, and limit stop 33 drives plug rod 32 to move downward synchronously, and then the plug rod 32 at the position of fixed plate 41 is inserted into the second jack 42, and the installation of filter plate 3 is completed, when needing to disassemble and replace filter plate 3, the plug rod 32 at fixed plate 41 is pulled up, and the limiting effect of the second jack 42 is removed, and the limit stop 33 is moved outward by spring 34 at the position of first jack 31, and filter plate 3 is pushed out from one side of filter box 2, so that workers can take out filter plate 3.
[0020] The filter box 2 is communicated with the heat exchange box 13 through the pipeline 12, the heat exchange pipe 15 is arranged in the heat exchange box 13, the heat exchange pipe 15 is communicated with the pipeline 12, and the water pipe 14 is arranged on the heat exchange box 13 in a vertical mode. The flue gas filtered by the filter box 2 is introduced into the heat exchange box 13, water is injected into the heat exchange box 13, the water can exchange heat with the heat exchange pipe 15, the flue gas with heat can be exchanged, the water can be heated, the flue gas with residual heat is prevented from being directly discharged, and the waste of heat resources is avoided.
[0021] In the scheme, the sliding rod 23 is fixedly arranged in the filter box 2, and the sliding block 24 is movably arranged on the sliding rod 23. The sliding rod 23 can limit and guide the rotation of the sliding block 24 which is threadedly connected to the lead screw 22.
[0022] In the scheme, the pipeline 12 in the heat exchange box 13 discharges flue gas from top to bottom, and the water pipe 14 in the heat exchange pipe 15 discharges water from bottom to top. The flue gas moves downward slowly, the residence time of the flue gas in the heat exchange pipe 15 is increased, the water flows upward from the water pipe 14, the residence time of the water in the heat exchange box 13 is increased, and the heat exchange efficiency of the flue gas in the heat exchange pipe 15 and the water in the heat exchange box 13 is improved.
[0023] In the scheme, the handle 4 is fixedly arranged on the outer side of the filter plate 3. The handle 4 facilitates the filter plate 3 to be pulled out from one side of the filter box 2.
[0024] In the scheme, the support seat 43 is fixedly arranged in the filter box 2, the roller 44 is arranged at the upper end of the support seat 43, and the filter plate 3 is movably arranged at the upper end of the roller 44. The roller 44 facilitates the filter plate 3 to be slid out of the filter box 2.
[0025] Working principle:
[0026] In the specific working process of the brazing furnace with the residual heat recycling mechanism, when the flue gas with temperature is discharged from the brazing furnace, the filter plate 3 can filter the impurities in the flue gas, the flue gas filtered by the filter plate 3 is introduced into the heat exchange box 13, water is injected into the heat exchange box 13, the water can exchange heat with the heat exchange pipe 15, the flue gas with heat can be exchanged, the water can be heated, the flue gas with residual heat is prevented from being directly discharged, and the waste of heat resources is avoided. When the surface of the filter plate 3 is blocked, the rotation of the lead screw 22 can drive the sliding block 24 which is threadedly connected to the outside to start moving by opening the switch of the motor 21. The sliding block 24 drives the cleaning brush 25 at the lower end to move, the impurities are pushed into the collecting box 26, and the impurities are collected. When the filter plate 3 needs to be disassembled and replaced, the plug rod 32 at the fixed plate 41 is pulled upward, the limiting action on the second insertion hole 42 is released, the spring 34 at the position of the first insertion hole 31 pushes the limiting plate 33 to move outward, the filter plate 3 is pushed to slide out from one side of the filter box 2, and the worker can take out the filter plate 3.
[0027] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A brazing furnace having a waste heat recovery mechanism, comprising a floor (1), characterized in that, The bottom plate (1) is placed on the furnace body (11), the filter box (2) and the heat exchange box (13), the furnace body (11) top is connected through the pipeline (12) through the filter box (2), the filter box (2) side wall is fixed with motor (21), the motor (21) output is equipped with screw rod (22), the screw rod (22) is connected with sliding block (24) on the thread, the sliding block (24) lower end is equipped with cleaning brush (25), the filter box (2) is installed filter plate (3), one side of the filter plate (3) is equipped with first jack (31), the first jack (31) is connected with plug rod (32) slidingly, the plug rod (32) is fixedly arranged at the inner wall of the filter box (2), the plug rod (32) is externally provided with spring (34), the plug rod (32) is movably provided with limiting plate (33), the filter box (2) is communicated with heat exchange box (13) through pipeline (12), the heat exchange box (13) is installed heat exchange pipe (15), the heat exchange pipe (15) is communicated with pipeline (12), the heat exchange box (13) is communicated with water pipe (14) up and down.
2. The brazing furnace having a waste heat recovery mechanism according to claim 1, characterized by The filter box (2) is fixedly provided with a sliding rod (23), and the sliding rod (23) is movably provided with a sliding block (24).
3. The brazing furnace having a waste heat recovery mechanism according to claim 1, characterized by The filter box (2) is communicated with a collecting box (26) on one side.
4. The brazing furnace having a waste heat recovery mechanism according to claim 1, characterized by The heat exchange box (13) is communicated with water pipe (14) from bottom to top in the pipeline (12), and the heat exchange pipe (15) is communicated with water pipe (14) from bottom to top.
5. The brazing furnace having a waste heat recovery mechanism according to claim 1, wherein The filter plate (3) is externally provided with a second jack (42) on the upper end, the filter box (2) is provided with a fixed plate (41), the fixed plate (41) is movably provided with a plug rod (32), and the plug rod (32) is externally provided with a spring (34) and a limiting plate (33).
6. The brazing furnace having a waste heat recovery mechanism according to claim 1, characterized by The filter plate (3) is fixedly provided with a handle (4) on the outside.
7. The brazing furnace having a waste heat recovery mechanism according to claim 1, characterized by The filter box (2) is fixedly provided with a support seat (43), the support seat (43) is provided with a roller (44) on the upper end, and the roller (44) is movably provided with a filter plate (3) on the upper end.