Heating furnace tube with automatic decoking function

Abstract

The utility model relates to the technical field of heating furnace tubes, in particular to a heating furnace tube with an automatic decoking function, which comprises a heating furnace body, a furnace tube is arranged in the center of the top of the heating furnace body, the furnace tube is communicated with the inside of the heating furnace body, and two connecting screw rods are symmetrically arranged in the furnace tube. And the outer surface of the connecting screw rod is slidably connected with a sliding block, and the exterior of the sliding block is fixedly connected with a coke cleaning ball. A driving motor drives a connecting telescopic rod and a sliding block to rotate, the sliding block rotates to drive coke cleaning balls and metal particles to rotate, a motor drives a driving wheel and a synchronous belt to rotate, the synchronous belt drives a driven wheel to rotate, and the driving wheel and the driven wheel rotate to drive a connecting lead screw to rotate; and then the sliding block and the decoking ball move up and down along the connecting screw rod, and when the decoking ball rotates and moves along the inner wall of the furnace tube, coke adhered to the inner wall of the furnace tube can be scraped, comprehensive decoking in the furnace tube is achieved, and the decoking working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating furnace furnace tube technical field especially relates to a kind of heating furnace furnace tube with automatic decoking function. BACKGROUND

[0002] Heating furnace is a kind of equipment for heating material, widely used in chemical industry, metallurgy, machinery, building materials and other industries.Heating furnace is mainly to transfer the heat generated by fuel combustion to the material in the furnace, to achieve the predetermined temperature requirement.Furnace tube is the key component of heating furnace, usually used to transfer heat pipes, usually flowing in the furnace tube medium (such as water, oil or gas) is heated, its surface is heated by contact with the burning gas.

[0003] Furnace tube in the long-term use process, may form coke because of incomplete combustion of fuel and accumulated dirt, so it is necessary to carry out decoking treatment inside furnace tube, and in the existing process of decoking of heating furnace furnace tube, usually need to be operated by personnel with brush, scraper and other tools manually to scrape the coke on the inner wall of furnace tube, and manual cleaning needs to consume a lot of manpower and time, and the efficiency is low, and the deep area of the inner wall of furnace tube cannot be cleaned, so that coke or dirt may remain in the furnace tube, and further lead to the decline of heat transfer performance and working performance of furnace tube. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of heating furnace furnace tube with automatic decoking function.

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

[0006] A kind of heating furnace furnace tube with automatic decoking function, including heating furnace body, the top center of the heating furnace body is provided with furnace tube, the inside of the furnace tube and the heating furnace body is communicated, the inside of the furnace tube is symmetrically provided with two connecting lead screws, the outer surface of the connecting lead screw is slidably connected with sliding block, the outer portion of the sliding block is fixedly connected with coke cleaning ball, the outer surface of the coke cleaning ball is provided with a plurality of metal particles;

[0007] The inner wall of the furnace tube is provided with moving groove, the moving groove is provided with mounting plate, the bottom of the mounting plate is provided with drive motor, the output end of the drive motor is connected with connecting telescopic rod, the end, away from drive motor of the connecting telescopic rod, penetrates coke cleaning ball and is connected with sliding block fixedly.

[0008] Preferably, two ends of the connecting screw rod are respectively penetrated through the mounting plate and connected with driving wheels and driven wheels, the driving wheels and the driven wheels are connected through a synchronous belt, a circular track is formed in the top of the heating furnace body, a base is arranged in the circular track, a mounting seat is movably connected in the base, a motor is arranged at the outer bottom of the mounting seat, a driving shaft is connected with the output end of the motor, a central groove is formed in the middle of the driving wheel, and the driving shaft is clamped on the driving wheel through the central groove.

[0009] Preferably, a water tank is arranged at the top of the heating furnace body, a water outlet pipe is arranged in the water tank, a connecting hose is connected with the end of the water outlet pipe away from the water tank, a mounting groove is formed in the inner wall of the furnace pipe, one end of the connecting hose is penetrated through the furnace pipe and extended into the mounting groove and provided with a plurality of nozzles on the outer surface, the nozzles are communicated with the inside of the connecting hose and form a flow channel with the connecting hose and the water outlet pipe, and a water pump is arranged at the end of the water outlet pipe close to the water tank.

[0010] Preferably, a circular groove is formed in the top of the heating furnace body below the connecting screw rod, and the bottom of the connecting screw rod is located in the circular groove and slides along the track of the circular groove.

[0011] Preferably, a sewage pipe is arranged at the bottom of the heating furnace body and penetrates into the inside of the heating furnace body and is communicated with the heating furnace body.

[0012] Preferably, a mounting hole is formed in the outer wall of the furnace pipe and communicated with the mounting groove, and a sealing plug is arranged in the mounting hole.

[0013] The utility model discloses the beneficial effect is:

[0014] The driving motor drives the connecting telescopic link and the sliding block to rotate, the sliding block drives the metal particles and the decoking ball on it to rotate when rotating, the motor drives the driving wheel and the synchronous belt to rotate, the synchronous belt drives the driven wheel to rotate, the driving wheel and the driven wheel drive the connecting screw rod to rotate, and then drive the sliding block and the decoking ball on it to move up and down along the connecting screw rod, so that when the decoking ball rotates and moves along the inner wall of the furnace pipe, it is beneficial to scrape off the coke adhered to the inner wall of the furnace pipe, and the effect of fully decoking the furnace pipe is achieved, and the work efficiency of decoking is improved.

[0015] The water pump makes the cleaning liquid in the water tank flow out from the water outlet pipe, through the connecting hose and finally sprayed out through the nozzle, when the cleaning liquid is sprayed out from the nozzle and flows through the inner wall of the furnace pipe, it is beneficial to flush the inner wall of the furnace pipe, prevent the coke from adhering to the inner wall again, and then the cleaning liquid mixed with coke residues is discharged through the sewage pipe, the inside of the furnace pipe is kept clean, and the heat conduction performance and working performance of the heating furnace and the furnace pipe are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The total structure schematic diagram of the heating furnace tube with automatic coking removal function is provided in the utility model;

[0017] Figure 2 The connecting screw rod structure schematic diagram of the heating furnace tube with automatic coking removal function is provided in the utility model;

[0018] Figure 3 The water tank and furnace tube internal connection structure schematic diagram of the heating furnace tube with automatic coking removal function is provided in the utility model;

[0019] Figure 4 The water tank and connecting hose connection structure schematic diagram of the heating furnace tube with automatic coking removal function is provided in the utility model;

[0020] Figure 5 The heating furnace body structure schematic diagram of the heating furnace tube with automatic coking removal function is provided in the utility model.

[0021] In the drawing,

[0022] 1, heating furnace body; 2, furnace tube; 201, connecting screw rod; 202, sliding block; 203, coking ball; 204, metal particles; 3, mounting plate; 301, driving motor; 302, connecting telescopic rod; 303, driving wheel; 304, driven wheel; 305, synchronous belt; 4, circular track; 401, base; 402, mounting seat; 403, motor; 5, water tank; 501, water outlet pipe; 502, connecting hose; 503, mounting groove; 504, spray head; 505, water pump; 6, circular groove; 7, blowdown pipe. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0025] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.

[0026] Embodiment:

[0027] Referring to Figures 1-5 A heating furnace tube with automatic decoking function, comprising a heating furnace body 1, a furnace tube 2 is arranged at the top center of the heating furnace body 1, the furnace tube 2 is communicated with the inside of the heating furnace body 1, two connecting lead screws 201 are symmetrically arranged inside the furnace tube 2, a sliding block 202 is slidably connected to the outer surface of the connecting lead screw 201, a decoking ball 203 is fixedly connected to the outside of the sliding block 202, and a plurality of metal particles 204 are arranged on the outer surface of the decoking ball 203.

[0028] A moving groove is formed in the inner wall of the furnace tube 2, a mounting plate 3 is arranged in the moving groove, a drive motor 301 is arranged at the bottom of the mounting plate 3, a connecting telescopic rod 302 is connected to the output end of the drive motor 301, and the end of the connecting telescopic rod 302 away from the drive motor 301 penetrates through the decoking ball 203 and is fixedly connected with the sliding block 202.

[0029] The ends of the two connecting lead screws 201 penetrate through the mounting plate 3 and are connected with a driving wheel 303 and a driven wheel 304, the driving wheel 303 and the driven wheel 304 are connected through a synchronous belt 305, a circular track 4 is formed in the top of the heating furnace body 1, a base 401 is arranged in the circular track 4, a mounting seat 402 is movably connected in the base 401, an electric motor 403 is arranged at the outer bottom of the mounting seat 402, a drive shaft is connected to the output end of the electric motor 403, a central groove is formed in the middle of the driving wheel 303, and the drive shaft is clamped on the driving wheel 303 through the central groove.

[0030] A water tank 5 is arranged at the top of the heating furnace body 1, a water outlet pipe 501 is arranged in the water tank 5, a connecting hose 502 is connected to the end of the water outlet pipe 501 away from the water tank 5, a mounting groove 503 is formed in the inner wall of the furnace tube 2, one end of the connecting hose 502 penetrates through the furnace tube 2 and extends to the inside of the mounting groove 503 and is provided with a plurality of spray heads 504 on the outer surface, the spray heads 504 are communicated with the inside of the connecting hose 502 and form a flow channel with the connecting hose 502 and the water outlet pipe 501, and a water pump 505 is arranged at the end of the water outlet pipe 501 close to the water tank 5.

[0031] A circular groove 6 is formed in the top of the heating furnace body 1 below the connecting lead screw 201, and the bottom of the connecting lead screw 201 is located in the circular groove 6 and slides along the track of the circular groove 6.

[0032] A blowdown pipe 7 is arranged at the bottom of the heating furnace body 1 and penetrates into the inside of the heating furnace body 1 and is communicated with the heating furnace body 1.

[0033] A mounting hole is formed in the outer wall of the furnace tube 2, the mounting hole is communicated with the mounting groove 503, and a sealing plug is arranged in the mounting hole.

[0034] In this embodiment, when it is necessary to remove the coke inside the furnace tube 2, first, the driving motor 301 is started, and when the driving motor 301 is running, the driving motor 301 drives the connecting telescopic rod 302 and the sliding block 202 to rotate, and when the sliding block 202 is rotating, the sliding block 202 drives the coke removing ball 203 rotating, and when the coke removing ball 203 is rotating, the coke removing ball 203 drives the metal particles 204 rotating along the inner wall of the furnace tube 2, and when the metal particles 204 on the coke removing ball 203 rub against the coke residue on the inner wall of the furnace tube 2, the coke adhered to the inner wall of the furnace tube 2 can be scraped and cleaned, and then the electric motor 403 is started, and when the electric motor 403 is running, the electric motor 403 drives the driving wheel 303 rotating, and when the driving wheel 303 is rotating, the driving wheel 303 drives the synchronous belt 305 rotating, and when the synchronous belt 305 is rotating, the synchronous belt 305 drives the driven wheel 304 rotating, so that when the driving wheel 303 and the driven wheel 304 are rotating, the connecting screw rod 201 is rotating, and when the connecting screw rod 201 is rotating, the connecting screw rod 201 drives the sliding block 202 moving up and down along the connecting screw rod 201, and when the sliding block 202 is moving, the coke removing ball 203 moves up and down along the inner wall of the furnace tube 2, so that the metal particles 204 reciprocatingly rub against the inner wall of the furnace tube 2, and the purpose of removing the coke is achieved.

[0035] Specifically, by rotating the base 401, the base 401 can move along the track of the circular track 4, so that the base 401 drives the mounting seat 402 moving along the outer part of the furnace tube 2, and when the mounting seat 402 is moving, the mounting seat 402 drives the electric motor 403, the connecting screw rod 201, and the mounting plate 3 moving along the moving groove, so that the connecting screw rod 201 drives the coke removing ball 203 rotating along the inner wall of the furnace tube 2, and then the above steps are repeated, so that the coke in other areas of the inner wall of the furnace tube 2 can be removed, and the effect of removing the coke in the furnace tube 2 is achieved.

[0036] Further, when the coke removing is completed, then the water pump 505 is started, and when the water pump 505 is running, the cleaning liquid in the water tank 5 flows out from the water outlet pipe 501, and finally is sprayed out through the nozzle 504 via the flow channel and the connecting hose 502, and when the cleaning liquid is sprayed out from the nozzle 504 and flows along the inner wall of the furnace tube 2, the inner wall of the furnace tube 2 can be flushed at this time, so that the coke is prevented from adhering to the inner wall again, and then the cleaning liquid mixed with the coke residue can be discharged through the drain pipe 7, so that the inside of the furnace tube 2 is kept clean, and when the coke removing and cleaning of the furnace tube 2 are completed, then the synchronous belt 305 can be detached from the driving wheel 303 and the driven wheel 304, the driving shaft is separated from the center hole of the driving wheel 303, then the mounting seat 402 is rotated, so that the mounting seat 402 drives the electric motor 403 rotating to one side deviating from the furnace tube 2, then the connecting hose 502 is pulled outwards, so that the connecting hose 502 is separated from the inside of the furnace tube 2 via the mounting hole, and the mounting hole is sealed by the sealing plug, so that the subsequent normal use of the furnace tube 2 is not affected, and the working performance of the heating furnace body 1 is further improved.

[0037] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0038] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0039] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A heating furnace tube having an automatic decoking function, comprising a heating furnace body (1), characterized in that, The top center of the heating furnace body (1) is provided with a furnace pipe (2), which communicates with the inside of the heating furnace body (1), the inside of the furnace pipe (2) is symmetrically provided with two connecting lead screws (201), the outer surface of the connecting lead screw (201) is slidably connected with a sliding block (202), the outer part of the sliding block (202) is fixedly connected with a coke cleaning ball (203), and the outer surface of the coke cleaning ball (203) is provided with a plurality of metal particles (204). The inner wall of the furnace pipe (2) is provided with a moving groove, and the moving groove is provided with a mounting plate (3). The bottom of the mounting plate (3) is provided with a driving motor (301), the output end of the driving motor (301) is connected with a connecting telescopic rod (302), and the end of the connecting telescopic rod (302) away from the driving motor (301) penetrates the coke cleaning ball (203) and is connected and fixed with the sliding block (202).

2. The heating furnace tube with automatic decoking function according to claim 1, characterized in that, The ends of the two connecting lead screws (201) penetrate the mounting plate (3) and are connected with a driving wheel (303) and a driven wheel (304), the driving wheel (303) and the driven wheel (304) are connected by a synchronous belt (305), the top of the heating furnace body (1) is provided with a circular track (4), the circular track (4) is provided with a base (401), the base (401) is movably connected with a mounting seat (402), the outer bottom of the mounting seat (402) is provided with a motor (403), the output end of the motor (403) is connected with a driving shaft, the middle part of the driving wheel (303) is provided with a center groove, and the driving shaft is clamped on the driving wheel (303) through the center groove.

3. The heating furnace tube with automatic decoking function according to claim 1, characterized in that, The top of the heating furnace body (1) is provided with a water tank (5), the water tank (5) is provided with a water outlet pipe (501), the end of the water outlet pipe (501) away from the water tank (5) is connected with a connecting hose (502), the inner wall of the furnace pipe (2) is provided with a mounting groove (503), one end of the connecting hose (502) penetrates the furnace pipe (2) and extends to the inside of the mounting groove (503), and the outer surface of the connecting hose (502) is provided with a plurality of spray heads (504), the spray heads (504) communicate with the inside of the connecting hose (502), and the connecting hose (502), the water outlet pipe (501) forms a flow channel, and the end of the water outlet pipe (501) close to the water tank (5) is provided with a water pump (505).

4. The heating furnace tube with automatic decoking function according to claim 1, characterized in that, The top of the heating furnace body (1) and below the connecting lead screw (201) is provided with a circular groove (6), and the bottom of the connecting lead screw (201) is located in the circular groove (6) and slides along the track of the circular groove (6).

5. The heating furnace tube with automatic decoking function according to claim 1, characterized in that, The bottom of the heating furnace body (1) is provided with a blowdown pipe (7), which penetrates into the inside of the heating furnace body (1) and communicates with the heating furnace body (1).

6. The heating furnace tube with automatic decoking function according to claim 3, characterized in that, The outer wall of the furnace pipe (2) is provided with a mounting hole, which communicates with the mounting groove (503), and the mounting hole is provided with a sealing plug.

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