CN215675786U

CN215675786U - Vertical double-return stroke gas-fired hot water boiler with increased smoke flow

Info

Publication number: CN215675786U
Application number: CN202121459785.0U
Authority: CN
Inventors: 刘辉宇
Original assignee: Huangshi Jingzhan Electromechanical Equipment Co ltd
Current assignee: Huangshi Jingzhan Electromechanical Equipment Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-28
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a vertical double-return-stroke gas-fired hot water boiler with an increased smoke flow, which relates to the technical field of gas-fired hot water boilers and comprises a boiler body, wherein a base is arranged on the lower surface of the boiler body, a hearth is arranged in the middle of the inner lower surface of the boiler body, a descaling assembly is arranged on the inner wall of the boiler body, a driving assembly is arranged on the front surface of the boiler body, and a filtering assembly is arranged on one side above the boiler body. The device is through setting up scale removal subassembly and drive assembly, when the incrustation scale of this gas hot water boiler inner wall is cleared up to needs, the staff only needs switch-on servo motor's power, can drive the annular ring one and rotate with annular ring two, and then drive spacing axle and rotate, spacing epaxial cleaning brush will clean the clearance work to the inner wall of furnace body like this, get off its surperficial incrustation scale for the clearance, artificial intensity of labour has not only been reduced, but also the efficiency of incrustation scale clearance has been improved.

Description

Vertical double-return stroke gas-fired hot water boiler with increased smoke flow

Technical Field

The utility model relates to the technical field of gas-fired hot water boilers, in particular to a vertical double-return stroke gas-fired hot water boiler with an increased smoke flow.

Background

The vertical gas-fired hot water boiler is an important heat energy conversion device taking natural gas as fuel, has simple and compact structure, small floor area and low environmental pollution, and is widely applied.

The utility model with the Chinese patent number of CN204630027U discloses a vertical double-return stroke gas-fired hot water boiler, which comprises a base, a hearth ring, a furnace liner, a burner, a fire observation mirror, a middle smoke box, an upper smoke tube, a cylinder body, a water outlet pipe, a smoke collection box, a smoke discharge pipe, a lower smoke tube and a water inlet pipe, and is characterized in that the middle smoke box is arranged above the furnace liner in the cylinder body, and the upper smoke tube and the lower smoke tube are both connected with the middle smoke box; the burner is arranged at the upper part of the furnace pipe, the high-temperature flame and the smoke at the upper part in the furnace pipe rotate towards the lower part to be used as a first smoke return stroke, and the smoke enters the upper smoke pipe from the lower smoke pipe through the middle smoke box to be used as a second smoke return stroke; the furnace pipe, the smoke pipe and the middle smoke box are heat exchange surfaces of smoke and boiler water, so that the heat exchange area is increased, the smoke flow is increased, the heat efficiency of the boiler can be improved, and the smoke exhaust temperature is reduced.

However, in the above patent comparative examples and in the process of practical application, when the existing double-pass gas-fired hot water boiler is used for a long time, a lot of scale adheres to the inner wall of the boiler body, and the cleaning method of the scale is very troublesome, and the defect is not correspondingly improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a vertical double-return gas-fired hot water boiler with an increased smoke flow path, which solves the problem that when the conventional double-return gas-fired hot water boiler is used for a long time, a lot of scales are attached to the inner wall of a boiler body, and the scales are very troublesome to clean.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a vertical two return stroke gas-fired hot water boiler that flue gas flow increases, includes the furnace body, the lower surface of furnace body is provided with the base, and the inside lower surface intermediate position department of furnace body is provided with furnace, the inner wall of furnace body is provided with scale removal subassembly, and the front surface of furnace body is provided with drive assembly, top one side of furnace body is provided with filtering component.

The descaling assembly comprises a first annular ring and a second annular ring, the first annular ring and the second annular ring are respectively connected to the inner wall surfaces of the upper part and the lower part of the furnace body in a rotating mode, a limiting shaft is perpendicularly connected between the inner surfaces of the first annular ring and the second annular ring, a cleaning brush is evenly arranged on one side face of the limiting shaft, annular rack blocks are fixedly connected to the lower surfaces of the first annular ring and the rack blocks, and gears matched with the rack blocks are meshed with the lower sides of the rack blocks.

The driving assembly comprises a servo motor, a rotating shaft is vertically connected to an output shaft of the servo motor, worm sleeves are sleeved on the outer surfaces of two ends of the rotating shaft, one side of each worm sleeve is meshed with a worm wheel, and one ends of the worm wheels are embedded into the front surface of the furnace body to be rotatably installed and are fixedly connected with one ends of the two gears respectively.

Preferably, the cleaning brush is a nylon member, and one side of the cleaning brush is in contact with the inner wall of the furnace body.

Preferably, the outer surface of the servo motor is sleeved with a limiting block, one end of the limiting block is fixedly connected with the front surface of the furnace body, the lower end of the rotating shaft is rotatably connected with a bearing seat, and the rear side of the bearing seat is fixedly connected with the front surface of the furnace body.

Preferably, the filter assembly comprises a filter screen cylinder fixedly connected to one side face above the furnace body, a conveying pipe is embedded in the middle of the upper surface of the filter screen cylinder, and one end of the conveying pipe is fixedly connected with the smoke outlet on the upper surface of the furnace body.

Preferably, the lower extreme of conveyer pipe is connected with the conveyer pipe perpendicularly, a plurality of smoke vent has been seted up to the equal equidistance in surface around the conveyer pipe.

Preferably, a water inlet communicated with the interior of the furnace body is formed in one side face of the lower portion of the furnace body, and a water outlet communicated with the interior of the furnace body is formed in the other side face of the upper portion of the furnace body.

Advantageous effects

The utility model provides a vertical double-return stroke gas-fired hot water boiler with increased smoke flow. Compared with the prior art, the method has the following beneficial effects:

1. this vertical two return stroke gas boiler that flue gas flow increases, through setting up scale removal subassembly and drive assembly, when the incrustation scale of this gas boiler inner wall is cleared up to needs, the staff only needs switch-on servo motor's power, can drive the first and the second ring of ring rotate, and then drive spacing axle and rotate, spacing epaxial cleaning brush will clean the clearance work to the inner wall of furnace body like this, get off its surperficial incrustation scale for the clearance, need not the manual work and clear up, artificial intensity of labour has not only been reduced, but also the efficiency of incrustation scale clearance has been improved.

2. This vertical two return stroke gas boiler that flue gas flow increases, through setting up filter assembly, after the flue gas is discharged from the furnace body, the filter screen section of thick bamboo can play the filter effect to the flue gas, and then has played the guard action to the air circumstance, and at filterable in-process, can make the even distribution of flue gas improve the filterable effect of flue gas on the filter screen section of thick bamboo.

Drawings

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

FIG. 2 is a partial cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the construction of the descaling assembly according to the present invention;

FIG. 4 is a schematic view of the structure of the driving assembly of the present invention;

FIG. 5 is a schematic view of the filter assembly of the present invention.

In the figure: 1. a furnace body; 101. a water inlet; 102. a water outlet; 2. a base; 3. a hearth; 4. a descaling component; 41. a first annular ring; 42. a second annular ring; 43. a limiting shaft; 44. a cleaning brush; 45. a rack block; 46. a gear; 5. a drive assembly; 51. a servo motor; 511. a limiting block; 52. a rotating shaft; 521. a bearing seat; 53. a worm sleeve; 54. a worm gear; 6. a filter assembly; 61. a screen cylinder; 62. a delivery pipe; 63. a delivery cartridge; 64. and a smoke exhaust hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a vertical two return stroke gas-fired hot water boiler that flue gas flow increases, including furnace body 1, the lower surface of furnace body 1 is provided with base 2, and the inside lower surface intermediate position department of furnace body 1 is provided with furnace 3, the inner wall of furnace body 1 is provided with scale removal subassembly 4, and the front surface of furnace body 1 is provided with drive assembly 5, top one side of furnace body 1 is provided with filter assembly 6, a below side of furnace body 1 is provided with the water inlet 101 rather than inside being linked together, and the another side in top of furnace body 1 is provided with the delivery port 102 rather than inside being linked together.

Referring to fig. 3, in the embodiment of the present invention, the descaling assembly 4 includes a first annular ring 41 and a second annular ring 42, the first annular ring 41 and the second annular ring 42 are respectively rotatably connected to the upper and lower inner wall surfaces of the furnace body 1, a limiting shaft 43 is vertically connected between the inner surfaces of one side of the first annular ring 41 and the second annular ring 42, a cleaning brush 44 is uniformly disposed on one side surface of the limiting shaft 43, annular rack blocks 45 are fixedly connected to the lower surfaces of the first annular ring 41 and the rack blocks 45, gears 46 adapted to the rack blocks 45 are engaged with the lower sides of the rack blocks 45, the cleaning brush 44 is a nylon member, and one side of the cleaning brush 44 is in contact with the inner wall of the furnace body 1.

Referring to fig. 4, in the embodiment of the present invention, the driving assembly 5 includes a servo motor 51, an output shaft of the servo motor 51 is vertically connected to a rotating shaft 52, worm sleeves 53 are respectively sleeved on outer surfaces of two ends of the rotating shaft 52, one sides of the two worm sleeves 53 are respectively engaged with a worm wheel 54, one ends of the two worm wheels 54 are respectively embedded in and rotatably installed on a front surface of the furnace body 1 and are respectively and fixedly connected to one ends of the two gears 46, a limiting block 511 is sleeved on an outer surface of the servo motor 51, one end of the limiting block 511 is fixedly connected to the front surface of the furnace body 1, a bearing block 521 is rotatably connected to a lower end of the rotating shaft 52, a rear side of the bearing block 521 is fixedly connected to the front surface of the furnace body 1, and the model of the servo motor 51 is CH/V.

Referring to fig. 5, in the embodiment of the present invention, the filtering assembly 6 includes a filtering screen cylinder 61 fixedly connected to one side surface above the furnace body 1, a conveying pipe 62 is embedded in the middle position of the upper surface of the filtering screen cylinder 61, one end of the conveying pipe 62 is fixedly connected to a smoke outlet on the upper surface of the furnace body 1, the lower end of the conveying pipe 62 is vertically connected to a conveying cylinder 63, and a plurality of smoke discharging holes 64 are formed on the front and rear surfaces of the conveying cylinder 63 at equal intervals.

Scale cleaning: the power supply of the servo motor 51 is switched on, the servo motor 51 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the worm sleeves 53 on the outer surfaces of the two ends of the rotating shaft to rotate, the two worm sleeves 53 respectively drive the two worm gears 54 which are meshed with the worm sleeves to rotate, the two worm gears 54 respectively drive the two gears 46 to rotate, and the two gears 46 are respectively meshed with the rack blocks 45 on the first annular ring 41 and the second annular ring 42, so that the first annular ring 41 and the second annular ring 42 are respectively driven to rotate when the two gears 46 rotate, the limiting shaft 43 is driven to rotate, the cleaning brush 44 on the limiting shaft 43 can continuously clean scale attached to the inner wall of the furnace body 1, the servo motor 51 continuously rotates forwards and backwards, and the cleaning brush 44 can repeatedly clean the scale on the inner wall of the furnace body 1.

Flue gas filtration: in operation, the flue gas is discharged from the position of the flue gas outlet on the furnace body 1 to the conveying pipe 62, then enters the conveying cylinder 63, and is uniformly discharged from each smoke discharge hole 64 on the conveying cylinder 63, and then the filter screen cylinder 61 filters the discharged flue gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a vertical two return stroke gas-fired hot water boiler that flue gas flow increases, includes furnace body (1), the lower surface of furnace body (1) is provided with base (2), and the inside lower surface intermediate position department of furnace body (1) is provided with furnace (3), its characterized in that: the descaling device is characterized in that a descaling component (4) is arranged on the inner wall of the furnace body (1), a driving component (5) is arranged on the front surface of the furnace body (1), and a filtering component (6) is arranged on one side above the furnace body (1);

the descaling assembly (4) comprises a first annular ring (41) and a second annular ring (42), the first annular ring (41) and the second annular ring (42) are respectively connected to the inner wall surfaces of the upper part and the lower part of the furnace body (1) in a rotating mode, a limiting shaft (43) is vertically connected between the inner surfaces of one side of the first annular ring (41) and one side of the second annular ring (42), cleaning brushes (44) are uniformly arranged on one side surface of the limiting shaft (43), annular rack blocks (45) are fixedly connected to the lower surfaces of the first annular ring (41) and the lower surfaces of the rack blocks (45), and gears (46) matched with the rack blocks are meshed with the lower sides of the two rack blocks (45);

the driving assembly (5) comprises a servo motor (51), an output shaft of the servo motor (51) is vertically connected with a rotating shaft (52), worm sleeves (53) are sleeved on the outer surfaces of two ends of the rotating shaft (52), worm wheels (54) are meshed with one sides of the worm sleeves (53), and one ends of the worm wheels (54) are embedded into the front surface of the furnace body (1) in a rotating mode and are fixedly connected with one ends of the two gears (46).

2. The vertical type double-pass gas-fired hot water boiler with increased flue gas flow path according to claim 1, wherein: the cleaning brush (44) is a nylon material component, and one side of the cleaning brush (44) is contacted with the inner wall of the furnace body (1).

3. The vertical type double-pass gas-fired hot water boiler with increased flue gas flow path according to claim 1, wherein: the outer surface of servo motor (51) cup joints and is provided with stopper (511), the one end of stopper (511) and the front surface fixed connection of furnace body (1), the lower extreme of pivot (52) rotates and is connected with bearing frame (521), the rear side fixed connection of bearing frame (521) is in the front surface of furnace body (1).

4. The vertical type double-pass gas-fired hot water boiler with increased flue gas flow path according to claim 1, wherein: filter component (6) are including filter screen section of thick bamboo (61) of fixed connection in furnace body (1) top side, conveyer pipe (62) are installed in the embedding of the upper surface intermediate position department of filter screen section of thick bamboo (61), the one end of conveyer pipe (62) and the outlet flue fixed connection of furnace body (1) upper surface.

5. The vertical type double-pass gas-fired hot water boiler with increased flue gas flow path according to claim 4, wherein: the lower extreme of conveyer pipe (62) is connected with conveyer tube (63) perpendicularly, a plurality of smoke vent (64) have been seted up to the equal equidistance in surface around conveyer tube (63).

6. The vertical type double-pass gas-fired hot water boiler with increased flue gas flow path according to claim 1, wherein: a water inlet (101) communicated with the interior of the furnace body (1) is formed in one side face of the lower portion of the furnace body (1), and a water outlet (102) communicated with the interior of the furnace body is formed in the other side face of the upper portion of the furnace body (1).