CN221259114U

CN221259114U - Heat exchange device of biomass fuel hot blast stove

Info

Publication number: CN221259114U
Application number: CN202323222196.2U
Authority: CN
Inventors: 廖孝平; 范文胜; 廖九如; 贺易平
Original assignee: Chenzhou Beihu District Yuhua Energy Technology Co ltd
Current assignee: Chenzhou Beihu District Yuhua Energy Technology Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-07-02
Anticipated expiration: 2033-11-28

Abstract

The utility model discloses a biomass fuel hot blast stove heat exchange device, which comprises a shell, wherein a cavity is formed in the shell, a sliding groove is formed in the middle of the top surface of the cavity, a sliding block is connected in the sliding groove in a sliding manner, two moving plates are fixedly connected to the bottom surface of the sliding block, two first bristles are fixedly connected to one side of the two moving plates, which are close to each other, and are in movable contact with a coil pipe, the coil pipe is fixedly connected to one side of the cavity, a square groove is formed in one side of the bottom of the cavity, an oval frame is connected in the square groove in a sliding manner, a moving frame is fixedly connected to one side of the oval frame, second bristles are fixedly connected to the bottom surface of the moving frame, second bristles are in movable contact with the bottom surface of the cavity, and two ash accumulating grooves are formed in two sides of the bottom surface of the cavity. According to the utility model, through the cooperation of all the components, when the interior of the shell is required to be cleaned, the first bristles can clean dust on the coil pipe, the dropped dust is swept into the dust accumulation groove by the second bristles, and finally the dust is conveyed out of the shell by the rotating shaft and the spiral blade, so that manual dust cleaning by workers is not needed, the dust cleaning efficiency is high, and the workload of the workers is reduced.

Description

Heat exchange device of biomass fuel hot blast stove

Technical Field

The utility model relates to the technical field of heat exchange devices, in particular to a biomass fuel hot blast stove heat exchange device.

Background

The biomass hot blast stove is a thermal equipment for generating high-temperature hot air by using biomass fuel. The device mainly comprises a biomass combustion chamber, a heat exchanger and a hot air conveying system. The biomass hot blast stove takes biomass granular fuel as main fuel, and transmits heat generated by fuel combustion to hot air through high-temperature pyrolysis gasification of a biomass burner, so that a heat source is provided for various drying, baking, smelting and other technological processes. The structure of the biomass fuel hot blast stove is generally an indirect hot blast stove, and the flue gas of the combustion furnace is not in direct contact with a product to be baked, but is indirectly heated and baked through a heat exchange device.

In this regard, chinese utility model with grant publication No. CN209782991U discloses a heat exchanger of a biomass fuel hot blast stove, which includes a radiating pipe and a radiating box; the radiating pipe is a U-shaped pipe; the heat dissipation box is cuboid; the radiating pipes comprise a first row of radiating pipes and a second row of radiating pipes which face downwards, and the radiating pipes in the first row of radiating pipes and the radiating pipes in the second row of radiating pipes are mutually spaced; the heat dissipation box comprises a first heat dissipation box, a second heat dissipation box and a third heat dissipation box which are arranged side by side; the pipe orifices on one side of the first row of radiating pipes are respectively communicated with the first radiating box from the top wall, and the pipe orifices on the other side of the first row of radiating pipes are respectively communicated with the second radiating box from the top wall; the pipe orifices on one side of the second row of radiating pipes are respectively communicated with the second radiating box from the top wall, and the pipe orifices on the other side of the second row of radiating pipes are respectively communicated with the third radiating box from the top wall; the top wall of the first heat dissipation box is provided with a smoke total outlet, and the bottom wall of the third heat dissipation box is provided with a smoke total inlet; the first heat dissipation box, the second heat dissipation box and the third heat dissipation box are all provided with an ash discharge port at one end wall, and the ash discharge port is provided with an ash discharge plug or an ash discharge cover.

This heat exchanger of biomass fuel hot-blast furnace, because the cooling tube adopts the U-shaped pipe to communicate between the adjacent cooling tank, the cooling tank is in the bottom, the U-shaped pipe is at the top, U-shaped pipe is down and U-shaped pipe top is smooth arc, the smoke and dust in the cooling tube can fall into the cooling tank voluntarily, can reduce the smoke and dust deposit and the jam smoke and dust in the cooling tube, but the device is when carrying out the deashing, need the staff to carry out the deashing manually, the deashing inefficiency has increased staff's work load, for this we propose biomass fuel hot-blast furnace heat exchange device and be used for solving above-mentioned problem.

Disclosure of utility model

The utility model aims to provide a heat exchange device of a biomass fuel hot blast stove, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the biomass fuel hot blast stove heat exchange device comprises a shell, wherein a cavity is formed in the shell, a sliding groove is formed in the middle of the top surface of the cavity, a sliding block is connected in the sliding groove in a sliding mode, two moving plates are fixedly connected to the bottom surface of the sliding block, two brush hair I are fixedly connected to one side, close to each other, of the two moving plates, two brush hair I are movably contacted with a coil, and the coil is fixedly connected to one side of the cavity; the novel dust collector comprises a cavity, wherein a square groove is formed in one side of the bottom of the cavity, an oval frame is connected inside the square groove in a sliding mode, one side of the oval frame is fixedly connected with a movable frame, the bottom surface of the movable frame is fixedly connected with a second bristle, the second bristle is movably contacted with the bottom surface of the cavity, and two dust accumulation grooves are formed in two sides of the bottom surface of the cavity.

Preferably, the bottom of two sides of the shell is fixedly connected with two motors I, two rotating shafts are fixedly connected with two rotating shafts at one rotating shaft of the motors I, two spiral blades are fixedly connected with the peripheral sides of the rotating shafts, and the rotating shafts and the spiral blades are positioned in the ash accumulation groove.

Preferably, a square cavity is formed in the top of one side of the shell, a second motor is fixedly connected to one side of the inside of the square cavity, a reciprocating screw rod is fixedly connected to a second rotating shaft of the second motor, the reciprocating screw rod is in threaded connection with a sliding block, and the reciprocating screw rod is rotationally connected with a sliding groove.

Preferably, the first bevel gear is fixedly sleeved on the peripheral side of the reciprocating screw rod, the first bevel gear is in meshed connection with the second bevel gear, the second bevel gear is fixedly connected with one end of the rotating rod, and the first bevel gear and the second bevel gear are located in the square cavity.

Preferably, the bottom end of the rotating rod is fixedly sleeved with a half-tooth gear, the half-tooth gear is meshed with two racks, and the two racks are fixedly connected to two sides of the inner wall of the oval frame.

Preferably, one side of the shell is fixed and communicated with the exhaust pipe, the other side of the shell is fixed and communicated with the air inlet pipe, the top of the coil pipe is fixed and communicated with the water outlet pipe, the bottom of the coil pipe is fixed and communicated with the water inlet pipe, and the bottom of one side of the shell is rotationally connected with the two switch doors.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, through the cooperation of all the components, when the interior of the shell is required to be cleaned, the first bristles can clean dust on the coil pipe, the dropped dust is swept into the dust accumulation groove by the second bristles, and finally the dust is conveyed out of the shell by the rotating shaft and the spiral blade, so that manual dust cleaning by workers is not needed, the dust cleaning efficiency is high, and the workload of the workers is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present utility model.

In the figure: 1. a housing; 2. a chamber; 3. a chute; 4. a slide block; 5. a moving plate; 6. brushing first; 7. a square groove; 8. an oval frame; 9. a moving rack; 10. brushing hair II; 11. an ash accumulation groove; 12. a first motor; 13. a rotating shaft; 14. spiral leaves; 15. a square cavity; 16. a second motor; 17. a reciprocating screw rod; 18. bevel gears I; 19. bevel gears II; 20. a rotating lever; 21. a half-tooth gear; 22. a rack; 23. a coiled pipe; 24. a water outlet pipe; 25. a water inlet pipe; 26. an exhaust pipe; 27. an air inlet pipe; 28. and opening and closing the door.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 3-4, in a first embodiment of the present utility model, the embodiment provides a biomass fuel hot blast stove heat exchange device, which comprises a housing 1, a chamber 2 is formed inside the housing 1, a chute 3 is formed in the middle of the top surface of the chamber 2, a sliding block 4 is slidingly connected inside the chute 3, two moving plates 5 are fixedly connected to the bottom surface of the sliding block 4, two moving plates 5 are mutually close to one side and fixedly connected with two first bristles 6, the two first bristles 6 are movably contacted with a coil 23, one side of the coil 23 is fixedly connected with the chamber 2, a square groove 7 is formed on one side of the bottom of the chamber 2, an oval frame 8 is slidingly connected inside the square groove 7, one side of the oval frame 8 is fixedly connected with a moving frame 9, two bristles 10 are movably contacted with the bottom surface of the chamber 2, two dust accumulating grooves 11 are formed on two sides of the bottom surface of the chamber 2, when the interior of the chamber 2 is required to be cleaned, the sliding block 4 moves in the chute 3, the sliding block 4 moves the moving plate 5, the moving plate 5 moves the first bristles 6, the first bristles 6 are contacted with the coil 23, dust on the coil 23 is cleaned, the bottom surface of the chamber 2, the oval frame 8 falls to the bottom surface of the chamber 8, the two bristle accumulating grooves 8 are required to be cleaned, and the two bristle grooves 10 are required to be moved by the two reciprocating frames 10, and the two dust accumulating grooves are required to be moved, and the dust is moved, and the dust is moved to be reciprocally and moved, and the dust accumulating groove 10 is moved.

Example 2

Referring to fig. 3, two motors one 12 are fixedly connected to the bottoms of two sides of the shell 1, two rotating shafts 13 are fixedly connected to the rotating shafts of the two motors one 12, two spiral blades 14 are fixedly connected to the peripheral sides of the two rotating shafts 13, the rotating shafts 13 and the spiral blades 14 are located in the ash accumulation groove 11, the motors one 12 are turned on, the motors one 12 rotate to drive the rotating shafts 13 to rotate, the rotating shafts 13 rotate to drive the spiral blades 14 to rotate, and the spiral blades 14 convey dust in the ash accumulation groove 11 out of the shell 1.

Referring to fig. 3, a square cavity 15 is formed in the top of one side of the housing 1, a second motor 16 is fixedly connected to one side of the inside of the square cavity 15, a reciprocating screw 17 is fixedly connected to a rotating shaft of the second motor 16, the reciprocating screw 17 is in threaded connection with the sliding block 4, the reciprocating screw 17 is rotationally connected with the sliding groove 3, the second motor 16 is opened, the second motor 16 rotates to drive the reciprocating screw 17 to rotate, and the reciprocating screw 17 rotates to drive the sliding block 4 to move.

Referring to fig. 3, a first bevel gear 18 is fixedly sleeved on the periphery of a reciprocating screw 17, the first bevel gear 18 is in meshed connection with a second bevel gear 19, the second bevel gear 19 is fixedly connected with one end of a rotating rod 20, the first bevel gear 18 and the second bevel gear 19 are positioned in a square cavity 15, the reciprocating screw 17 rotates and drives the first bevel gear 18 to rotate, the first bevel gear 18 rotates to drive the second bevel gear 19 to rotate, and the second bevel gear 19 rotates to drive the rotating rod 20 to rotate.

Referring to fig. 3-4, the bottom end of the rotating rod 20 is fixedly sleeved with a half-tooth gear 21, the half-tooth gear 21 is in meshed connection with two racks 22, the two racks 22 are fixedly connected to two sides of the inner wall of the oval frame 8, the rotating rod 20 rotates to drive the half-tooth gear 21 to rotate, the half-tooth gear 21 rotates to drive the racks 22 to move, and the racks 22 move to drive the oval frame 8 to move.

Referring to fig. 1-2, one side of the casing 1 is fixed and communicated with an exhaust pipe 26, the other side of the casing 1 is fixed and communicated with an air inlet pipe 27, the top of the coil 23 is fixed and communicated with a water outlet pipe 24, the bottom of the coil 23 is fixed and communicated with a water inlet pipe 25, the bottom of one side of the casing 1 is rotationally connected with two switch doors 28, hot air enters the cavity 2 in the casing 1 through the air inlet pipe 27, hot air subjected to heat exchange is discharged from the exhaust pipe 26, water enters the coil 23 from the water inlet pipe 25, and the person subjected to heat exchange flows out from the water outlet pipe 24.

Example 3

Referring to fig. 1 to 4, in the third embodiment of the present utility model, when the present utility model is used, water is added into the coil 23 from the water inlet pipe 25, hot air enters the cavity 2 in the housing 1 through the air inlet pipe 27, the hot air exchanges heat with the coil 23, the heat exchanged water flows out from the water outlet pipe 24, the heat exchanged hot air is discharged through the air outlet pipe 26, dust is carried in the heat exchanged hot air, and falls on the coil 23, after affecting the heat exchange efficiency, when the dust is required to be removed from the interior of the device, the motor 16 is turned on, the motor 16 rotates to drive the reciprocating screw 17 to rotate, the reciprocating screw 17 rotates to drive the slide block 4 to move in the chute 3, the slide block 4 moves to drive the moving plate 5 to move, the first bristle 6 moves, the first bristle 6 contacts with the coil 23 to clean the dust on the coil 23, and the dust falls on the bottom surface of the cavity 2, the reciprocating screw rod 17 rotates and drives the bevel gear I18 to rotate, the bevel gear I18 rotates to drive the bevel gear II 19 to rotate, the bevel gear II 19 rotates to drive the rotating rod 20 to rotate, the rotating rod 20 rotates to drive the half-tooth gear 21 to rotate, the half-tooth gear 21 rotates to drive the rack 22 to move, the rack 22 moves to drive the oval frame 8 to move, the oval frame 8 reciprocates in the square groove 7, the oval frame 8 moves to drive the moving frame 9 to move, the moving frame 9 moves to drive the brush hair II 10 to move, the brush hair II 10 sweeps dust into dust accumulation grooves 11 on two sides, the switch door 28 is opened, the motor I12 rotates to drive the rotating shaft 13 to rotate, the rotating shaft 13 rotates to drive the spiral blade 14 to convey dust in the dust accumulation grooves 11 out of the shell 1, workers collect the dust and complete the dust cleaning work through the cooperation of components, the utility model provides convenience for staff and improves heat exchange efficiency through the cooperation of all parts without manually cleaning the device, when the inside of the shell 1 is required to be cleaned, the first bristle 6 can clean dust on the coil 23, the dropped dust is swept into the dust accumulation groove 11 by the second bristle 10, and finally the shell 1 is conveyed out of the rotating shaft 13 and the spiral blade 14, so that the manual dust cleaning of the staff is not required, the dust cleaning efficiency is high, and the workload of the staff is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Biomass fuel hot-blast furnace heat exchange device, including casing (1), its characterized in that: the novel brush comprises a shell (1), wherein a cavity (2) is formed in the shell, a sliding groove (3) is formed in the middle of the top surface of the cavity (2), a sliding block (4) is connected in the sliding groove (3) in a sliding mode, two movable plates (5) are fixedly connected to the bottom surface of the sliding block (4), two first brush hairs (6) are fixedly connected to one side, close to each other, of the movable plates (5), the two first brush hairs (6) are in movable contact with a coil (23), and the coil (23) is fixedly connected to one side of the cavity (2);

Square groove (7) are seted up to cavity (2) bottom one side, oval frame (8) of square groove (7) inside sliding connection, oval frame (8) one side fixed connection removes frame (9), remove frame (9) bottom surface fixed connection brush hair two (10), brush hair two (10) movable contact cavity (2) bottom surface, two ash accumulation grooves (11) are seted up to cavity (2) bottom surface both sides.

2. The biomass fuel hot blast stove heat exchange device according to claim 1, wherein: two motor one (12) are fixedly connected to the bottoms of two sides of the shell (1), two rotating shafts (13) are fixedly connected to the rotating shaft of the motor one (12), two spiral blades (14) are fixedly connected to the periphery of the rotating shafts (13), and the rotating shafts (13) and the spiral blades (14) are located inside the ash accumulation groove (11).

3. The biomass fuel hot blast stove heat exchange device according to claim 1, wherein: square chamber (15) are seted up at casing (1) one side top, square chamber (15) inside one side fixed connection motor two (16), motor two (16) pivot department fixed connection reciprocating screw (17), reciprocating screw (17) threaded connection slider (4), reciprocating screw (17) rotate and connect spout (3).

4. A biomass fuel hot blast stove heat exchange device according to claim 3, wherein: the reciprocating screw rod (17) is fixedly sleeved with a first bevel gear (18), the first bevel gear (18) is connected with a second bevel gear (19) in a meshed mode, the second bevel gear (19) is fixedly connected with one end of a rotating rod (20), and the first bevel gear (18) and the second bevel gear (19) are located in the square cavity (15).

5. The biomass fuel hot blast stove heat exchange device according to claim 4, wherein: the bottom end of the rotating rod (20) is fixedly sleeved with a half-tooth gear (21), the half-tooth gear (21) is connected with two racks (22) in a meshed mode, and the two racks (22) are fixedly connected to two sides of the inner wall of the oval frame (8).

6. The biomass fuel hot blast stove heat exchange device according to claim 1, wherein: the utility model discloses a solar energy heating device, including casing (1), coil pipe (23), inlet tube (25), two switch doors (28), exhaust pipe (26) are fixed and communicate in casing (1) one side, casing (1) opposite side is fixed and communicates air-supply line (27), coil pipe (23) top is fixed and communicates outlet tube (24), coil pipe (23) bottom is fixed and communicates inlet tube (25), casing (1) one side bottom rotates and connects two switch doors (28).