CN219223413U - Heat exchange equipment of gas boiler - Google Patents

Abstract

The utility model provides gas boiler heat exchange equipment, which comprises a biomass furnace, wherein a combustion cavity is arranged on one side of the biomass furnace, a placement plate is arranged at the bottom of the combustion cavity, an exhaust pipe is communicated with the top of the combustion cavity, an annular heat exchange pipe is arranged in the combustion cavity, an annular structure is formed by three arc plates and hinges through a cleaning ring, the annular heat exchange pipe is sleeved on the surface of the annular heat exchange pipe through a locking bolt when the gas boiler heat exchange equipment is used, after the gas boiler heat exchange equipment is used for a period of time, the locking bolt is manually detached, an inner sponge layer is replaced, the gas boiler is connected with a spring through a sliding sleeve and is subjected to the elastic force of the spring, the gas boiler cannot naturally descend due to the elastic force of the spring, and can only slide along the surface of a vertical rod along with the movement of the cleaning ring.

Description

Heat exchange equipment of gas boiler

Technical Field

The utility model relates to the technical field of biomass boilers, in particular to a heat exchange device of a gas boiler.

Background

The biomass boiler is a kind of boiler, the boiler using biomass energy as fuel is called biomass boiler, the fuel is fed into a hearth by a screw feeder, the hearth is preheated gradually under the action of high-temperature flue gas and primary air, and the biomass boiler is dried, ignited and burnt, a large amount of volatile matters are separated out in the process, and the combustion is severe. After the generated high-temperature flue gas flushes the main heating surface of the boiler, the flue gas enters the boiler tail heating surface economizer and the air preheater, enters the dust remover, and finally is discharged into the atmosphere through a chimney. The unvaporized fuel moves to the rear part of the fire grate until being burnt out, and finally a small amount of ash residues fall into a slag removing port at the rear part of the fire grate, heat exchange equipment in the biomass boiler is an important component, and can convert heat generated by combustion into a heat source in life.

Patent CN217715437U proposes a biomass particle furnace heat exchange structure, through the import of the big pipe diameter end of cone spiral heat exchange tube lets in water or other heat transfer medium, through the export is discharged the medium after the temperature rising, through rotatory nut portion, height and pitch of adjustable cone spiral heat exchange tube, and then the velocity of flow when the hot air flows through cone spiral heat exchange tube clearance, can adapt to the heat transfer under the different power demands that generate heat. Meanwhile, the conical spiral heat exchange tube is arranged into different tube diameters, so that the temperature distribution in the furnace chamber can be better adapted, the service life of the conical spiral heat exchange tube is prolonged, and better heat absorption energy can be achieved;

it is known that a great amount of ash is generated after biomass is combusted, and the ash forms fly ash along with the air outlet of the exhaust pipe, so that the fly ash is adsorbed and accumulated on the surface of the conical spiral heat exchange pipe, deposition occurs on the heating surface of the heat exchanger to form accumulated ash, the heat exchange performance of equipment and the stable operation of a system can be seriously influenced, and a measure for cleaning the surface of the heat exchanger is lacked in the scheme.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the heat exchange equipment of the gas boiler, so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a gas boiler heat transfer equipment, includes the biomass furnace, biomass furnace one side is equipped with the burning chamber, and the burning chamber bottom is equipped with places the board, burning chamber top intercommunication has the blast pipe, burning chamber internally mounted has annular heat exchange tube, the entry end and the exit end of annular heat exchange tube all wear out burning chamber top, and the burning intracavity portion is equipped with the clean mechanism to annular heat exchange tube surface clearance flying dust.

Further, clean mechanism includes the montant, annular heat exchange tube center department is equipped with the montant, and the montant bottom passes through the bearing frame and rotates to be installed on the combustion chamber inner wall, and sliding connection has the sliding sleeve on the montant surface, sliding sleeve one side is equipped with clean ring, and clean ring slip cup joints on annular heat exchange tube surface.

Further, a connecting rod is fixed on one side of the sliding sleeve, and the other end of the connecting rod is rotationally connected with the cleaning ring through a universal shaft.

Further, the combustion chamber is located the inner wall of blast pipe port outer lane and rotates through the bearing and install the ring gear, and the combustion chamber is corresponding to the inner wall of ring gear one side and rotate through the bearing and install the gear, the gear is connected with the ring gear meshing, be fixed with the motor on the top outer wall of combustion chamber corresponding to the gear, and motor output and gear fixed connection.

Further, the top of the vertical rod is fixed with the gear ring through the connecting frame, and the vertical rod corresponds to the circle center of the gear ring.

Further, the top of the vertical rod is sleeved with a spring, and the other end of the spring is fixed on the sliding sleeve.

Furthermore, the cleaning ring is rotationally connected by two combined pages, a gap is formed in one side of the cleaning ring, the outer surface of the gap of the cleaning ring is fixed through a locking bolt, and a sponge layer is fixed on the inner wall of the cleaning ring.

The utility model has the beneficial effects that: the utility model relates to a heat exchange device of a gas boiler, which comprises a biomass furnace; a combustion chamber; placing a plate; an annular heat exchange tube; a cleaning mechanism; a cleaning ring; a locking bolt; a sponge layer; a vertical rod; a gear ring; a gear; a spring; a sliding sleeve; a connecting rod; an exhaust pipe; a motor;

1. this gas boiler heat transfer equipment comprises annular structure by three arc and hinge through clean ring, cup joints on the surface of annular cooling tube through the lock bolt when using, uses after a period, artificial dismantles the lock bolt, changes inside sponge layer.

2. The gas boiler heat exchange equipment is connected with the spring through the sliding sleeve, cannot naturally descend due to the elastic force of the spring, and can only slide along the surface of the vertical rod along with the movement of the cleaning ring.

3. Compared with the prior art, the gas boiler heat exchange equipment has the advantages that the path type wall scraping is carried out on the surface of the annular heat exchange tube under the action of the cleaning mechanism, accumulated ash accumulated on the annular heat exchange tube is cleaned, the efficient heat exchange effect of the heat exchange tube is maintained, and the efficient operation and heat exchange of the biomass boiler are maintained.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a heat exchange device of a gas boiler in accordance with the present utility model;

FIG. 2 is a schematic view of the internal structure of a combustion chamber of a heat exchange device of a gas boiler according to the present utility model;

FIG. 3 is a schematic view of a cleaning mechanism of a heat exchange apparatus for a gas boiler according to the present utility model;

FIG. 4 is a schematic view of a cleaning ring structure of a heat exchange device of a gas boiler in accordance with the present utility model;

in the figure: 1. a biomass furnace; 2. a combustion chamber; 3. placing a plate; 4. an annular heat exchange tube; 5. a cleaning mechanism; 51. a cleaning ring; 511. a locking bolt; 512. a sponge layer; 52. a vertical rod; 53. a gear ring; 54. a gear; 55. a spring; 56. a sliding sleeve; 57. a connecting rod; 6. an exhaust pipe; 7. and a motor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a gas boiler heat transfer apparatus, includes biomass furnace 1, biomass furnace 1 one side is equipped with burning chamber 2, and burning chamber 2 bottom is equipped with places board 3, burning chamber 2 top intercommunication has blast pipe 6, burning chamber 2 internally mounted has annular heat exchange tube 4, the entry end and the exit end of annular heat exchange tube 4 all wear out burning chamber 2 tops, and burning chamber 2 inside is equipped with the clean mechanism 5 to annular heat exchange tube 4 surperficial clearance flying ash, biomass furnace 1 and the structure that burning chamber 2 constitute are the same with current biomass boiler principle, when placing the biomass material burning on board 3, hot air and annular heat exchange tube 4 contact, and then transfer heat to the external world through the heat medium of annular heat exchange tube 4 inside, clear up annular heat exchange tube 4 surface through clean mechanism 5 after the heat transfer, detach annular heat exchange tube 4 surperficial and do not have the deposition, keep annular heat exchange tube 4's high-efficient heat transfer.

In this embodiment, the cleaning mechanism 5 includes a vertical rod 52, the center of the annular heat exchange tube 4 is provided with the vertical rod 52, and the bottom of the vertical rod 52 is rotatably mounted on the inner wall of the combustion chamber 2 through a bearing seat, and the surface of the vertical rod 52 is slidably connected with a sliding sleeve 56, one side of the sliding sleeve 56 is provided with a cleaning ring 51, and the cleaning ring 51 is slidably sleeved on the surface of the annular heat exchange tube 4, one side of the sliding sleeve 56 is fixed with a connecting rod 57, and the other end of the connecting rod 57 is rotatably connected with the cleaning ring 51 through a universal shaft, the combustion chamber 2 is rotatably mounted on the inner wall of the outer ring of the port of the exhaust tube 6 through a bearing, and the inner wall of the combustion chamber 2 corresponding to one side of the ring 53 is rotatably mounted with a gear 54 through a bearing, the gear 54 is in meshed connection with the gear 53, the top of the combustion chamber 2 is fixedly connected with a motor 7 on the outer wall of the top of the gear 54, and the output end of the motor 7 is fixedly connected with the gear 54, the top of the vertical rod 52 is fixedly connected with the ring 53 through a connecting frame, and the center of the vertical rod 52 and the ring 53 corresponds to the center of the ring 53, the motor 7 is started, the motor 7 drives the gear 54 to rotate and meshes with the ring 53, the ring 53 drives the ring 52 to rotate, and the ring 53 rotates with the cleaning ring 53, and drives the ring 53 to rotate through the connecting rod 57, and drives the ring 52 to rotate through the universal shaft, and drives the connecting rod 52 and the connecting rod 52 to move along the ring 52 and the ring 4 along the surface of the cleaning ring 4, and moves along the surface of the annular heat exchange tube 4 simultaneously, and moves along the surface, and along with the surface of the cleaning ring and clean surface.

In this embodiment, the top of the vertical rod 52 is sleeved with the spring 55, the other end of the spring 55 is fixed on the sliding sleeve 56, the sliding sleeve 56 is connected with the spring 55, and the sliding sleeve is under the elastic force of the spring 55, cannot naturally descend due to gravity, and can only slide along the surface of the vertical rod 52 along with the movement of the cleaning ring 51.

In this embodiment, the cleaning ring 51 is rotatably connected by two combined pages, a gap is formed on one side of the cleaning ring 51, the outer surface of the gap of the cleaning ring 51 is fixed by the locking bolt 511, the inner wall of the cleaning ring 51 is fixed with the sponge layer 512, the cleaning ring 51 forms an annular structure by three arc plates and hinges, and the cleaning ring is sleeved on the surface of the annular radiating pipe by the locking bolt 511 when in use, and after a period of use, the locking bolt 511 is manually detached to replace the inner sponge layer 512.

When biomass materials on the placing plate 3 are combusted, hot air is in contact with the annular heat exchange tube 4, heat is transferred to the outside through a heat transfer medium inside the annular heat exchange tube 4, after heat exchange is carried out, the motor 7 is started, the motor 7 drives the gear 54 to rotate and is meshed with the gear ring 53, the gear ring 53 drives the vertical rod 52 to rotate, the vertical rod 52 drives the cleaning ring 51 to move along the surface of the annular heat exchange tube 4 through the connection effect of the connecting rod 57 and the universal shaft, dust deposition is cleaned, meanwhile, the sliding sleeve 56 slides along the surface of the vertical rod 52 along with the movement of the cleaning ring 51 until the sliding sleeve moves to the bottom of the annular heat exchange tube 4, no dust deposition is removed from the surface of the annular heat exchange tube 4, and efficient heat exchange of the annular heat exchange tube 4 is maintained.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a gas boiler heat transfer equipment, includes biomass furnace (1), its characterized in that: the biomass furnace is characterized in that a combustion chamber (2) is arranged on one side of the biomass furnace (1), a placing plate (3) is arranged at the bottom of the combustion chamber (2), an exhaust pipe (6) is communicated with the top of the combustion chamber (2), an annular heat exchange pipe (4) is arranged in the combustion chamber (2), the inlet end and the outlet end of the annular heat exchange pipe (4) penetrate out of the top of the combustion chamber (2), and a cleaning mechanism (5) for cleaning fly ash on the surface of the annular heat exchange pipe (4) is arranged in the combustion chamber (2).

2. A gas boiler heat exchange apparatus according to claim 1, wherein: the cleaning mechanism (5) comprises a vertical rod (52), the vertical rod (52) is arranged at the center of the annular heat exchange tube (4), the bottom of the vertical rod (52) is rotatably arranged on the inner wall of the combustion chamber (2) through a bearing seat, a sliding sleeve (56) is slidably connected on the surface of the vertical rod (52), a cleaning ring (51) is arranged on one side of the sliding sleeve (56), and the cleaning ring (51) is slidably sleeved on the surface of the annular heat exchange tube (4).

3. A gas boiler heat exchange apparatus according to claim 2, wherein: one side of the sliding sleeve (56) is fixed with a connecting rod (57), and the other end of the connecting rod (57) is rotationally connected with the cleaning ring (51) through a universal shaft.

4. A gas boiler heat exchange apparatus according to claim 3, wherein: the combustion chamber (2) is located the inner wall of blast pipe (6) port outer lane and rotates through the bearing and install ring gear (53), and installs gear (54) through the bearing rotation on the inner wall of combustion chamber (2) corresponding ring gear (53) one side, gear (54) and ring gear (53) meshing are connected, be fixed with motor (7) on the top outer wall of combustion chamber (2) corresponding gear (54), and motor (7) output and gear (54) fixed connection.

5. A gas boiler heat exchange apparatus according to claim 4, wherein: the top of the vertical rod (52) is fixed with the gear ring (53) through a connecting frame, and the vertical rod (52) corresponds to the circle center of the gear ring (53).

6. A gas boiler heat exchange apparatus according to claim 5, wherein: the top of the vertical rod (52) is sleeved with a spring (55), and the other end of the spring (55) is fixed on a sliding sleeve (56).

7. A gas boiler heat exchange apparatus according to claim 6, wherein: the cleaning ring (51) is rotationally connected by two combined pages, a gap is formed in one side of the cleaning ring (51), the outer surface of the gap of the cleaning ring (51) is fixed through a locking bolt (511), and a sponge layer (512) is fixed on the inner wall of the cleaning ring (51).

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