CN215724174U

CN215724174U - Full-automatic low-nitrogen condensing gas-fired hot water boiler

Info

Publication number: CN215724174U
Application number: CN202122344553.7U
Authority: CN
Inventors: 张勇; 要大月
Original assignee: Hebei Huayong Boiler Manufacturing Co ltd
Current assignee: Hebei Huayong Boiler Manufacturing Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-01
Anticipated expiration: 2031-09-27

Abstract

The utility model provides a full-automatic low-nitrogen condensing type gas-fired hot water boiler, belongs to the technical field of gas-fired hot water boilers, and is used for solving the problem that a heat conduction pipe in a heat exchanger is easily corroded by generated impurities so as to influence heat conduction efficiency. The heat exchange box comprises a heat exchange box, wherein a filter box is arranged on the outer wall of the bottom of the heat exchange box, an access hole is formed in the outer wall of one side of the filter box, a sealing plate is arranged on the inner wall of the access hole, the inner walls of two sides of the filter box are provided with the same partition plate, inclined mounting frames are arranged on two sides of the outer wall of the top of the partition plate, and impurity discharging holes are formed in two sides of the outer wall of the top of the partition plate; this full-automatic low nitrogen condensing gas boiler sets up the rose box through the smoke inlet department at the heat transfer case, sets up the installing frame of slope again in the rose box, and the filter screen through setting up different specifications on the installing frame can effectually be with the impurity filtering in the flue gas in the in-service use process to effectual impurity gets into the problem that influences heat exchange efficiency in the heat transfer case in having solved the flue gas.

Description

Full-automatic low-nitrogen condensing gas-fired hot water boiler

Technical Field

The utility model belongs to the technical field of gas-fired hot water boilers, relates to a boiler, and particularly relates to a full-automatic low-nitrogen condensation type gas-fired hot water boiler.

Background

The gas-fired hot water boiler is one of hot water boilers, uses gas (such as natural gas, liquefied petroleum gas, city gas, biogas and the like) as fuel, heats water through a burner, realizes heating and provides hot water for life and bath, has high degree of intellectualization, quick heating, low noise and no dust, and is an economical hot-market boiler variety which is very suitable for the situation of China;

through retrieval, for example, chinese patent literature discloses a condensing gas-fired hot water boiler [ application number: CN 201921706642.8; publication No.: CN210921792U ]. The boiler comprises a boiler main body, wherein a burner is installed on the outer side of the boiler main body, a main combustion chamber is arranged in the boiler main body, a first spiral smoke exhaust channel is installed above the main combustion chamber, a second spiral smoke exhaust channel is installed below the main combustion chamber, a smoke collection chamber is arranged on one side in the boiler main body, one ends of the first spiral smoke exhaust channel and the second spiral smoke exhaust channel are embedded in the main combustion chamber, and the other ends of the first spiral smoke exhaust channel and the second spiral smoke exhaust channel are embedded in the smoke collection chamber; the high-temperature flue gas enters the interiors of the first spiral smoke exhaust channel 4 and the second spiral smoke exhaust channel 5, is discharged from outlets at the other ends of the first spiral smoke exhaust channel 4 and the second spiral smoke exhaust channel 5, enters the smoke collection cavity 6 to be mixed, enters the interior of a smoke exhaust coil 17 in the waste heat recovery water storage tank 15 through a smoke inlet 7 and a smoke inlet pipeline 16, and is discharged through the outlets; thereby above-mentioned patent preheats the utilization ratio of retrieving heat through the high temperature flue gas to the gas furnace, but the gas furnace actual work can pass through the fan to the interior blast air of burning furnace, a large amount of impurity are being smugglied secretly to the air that can lead to getting into in the combustion chamber like this, this kind of impurity can produce a crystalline solid along with the flue gas discharge after being burnt, and in order to improve the heat utilization and prolonged the inside that the flue directly leads to these crystalline solids to realize the adhesion at the heat pipe, in the long run in the heat pipe in the past the contact of lamellar position prevention flue gas and heat pipe, lead to the corruption that heat transfer efficiency descends and can accelerate the heat pipe simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a full-automatic low-nitrogen condensing gas-fired hot water boiler, which aims to solve the technical problems that: how to realize clearing up impurity in the flue gas that gets into the heat exchanger, effectively guarantee boiler's heat exchange efficiency.

The purpose of the utility model can be realized by the following technical scheme:

a full-automatic low-nitrogen condensing gas-fired hot water boiler comprises a heat exchange box, wherein a filter box is arranged on the outer wall of the bottom of the heat exchange box, an access hole is formed in the outer wall of one side of the filter box, a sealing plate is arranged on the inner wall of the access hole, the inner walls of two sides of the filter box are provided with the same partition plate, two inclined mounting frames are arranged on two sides of the outer wall of the top of the partition plate, impurity discharging holes are formed in two sides of the outer wall of the top of the partition plate, a driving mechanism is arranged on one side of the outer wall of the bottom of the partition plate, mounting seats are arranged on two sides of the outer wall of the bottom of the partition plate, the two bidirectional screw rods are connected between the two mounting seats through bearings, threaded blocks are arranged on the outer wall of the bidirectional screw rods, a motor is fixedly connected to the outer wall of the bottom of the partition plate, an output shaft of the motor is connected to the bidirectional screw rods through a coupler, and slide rails are fixedly connected to two sides of the outer wall of the bottom of the partition plate, the inner walls of the two sliding rails are both connected with sliding plates in a sliding mode, the specifications of the two sliding plates are matched with those of the two impurity discharging openings, and the two thread blocks are connected to the two sliding plates respectively.

The opening has all been seted up to one side of baffle top outer wall and one side of rose box bottom inner wall, two open-ended inner wall connection has same installation pipe, the mouth of cigarette, two have all been seted up to one side of rose box top outer wall and one side of heat transfer bottom of the case outer wall the mouth of cigarette is linked together.

Structure more than adopting, the baffle setting is in the inside of rose box, divides into two regions with the rose box, can directly be with the leading-in upper portion region to the baffle of flue gas through the setting of installation pipe, and there is not the flue gas in the lower part region of baffle.

The outer wall of the top of the heat exchange box is provided with a top cover, and the outer wall of the top cover is provided with a smoke tube.

By adopting the structure, the detachable top cover is arranged at the top of the heat exchange box, so that the heat exchange box is conveniently cleaned and maintained regularly, and the heat exchange efficiency of the heat exchange box is ensured.

Round openings are formed in two sides of the outer wall of one side of the heat exchange box, and heat exchange connecting pipes are arranged on the inner walls of the round openings.

By adopting the structure, the heat on the heat conduction pipe in the heat exchange box can be conveniently led out and utilized through the two heat exchange connecting pipes, so that the utilization rate of the heat is improved.

The driving mechanism comprises a driving box, wherein the inner walls of two sides of the driving box are connected with the same driving plate through bearings, grooves are formed in two sides of the outer wall of the top of the driving plate, driving balls are arranged on the inner walls of the grooves, a gear is arranged at one end of a transmission shaft of the driving plate, the inner walls of two sides of the driving box are provided with the same electric sliding rail, and the inner wall of the electric sliding rail is connected with a rack which is meshed with the gear in a sliding mode.

Structure more than adopting, with actuating mechanism setting in the lower part of baffle, drive the rack through electronic slide rail and be straight reciprocating motion, through the cooperation between gear and the rack, can drive the drive plate and swing in certain angle, drive the drive ball during the swing and strike the drive box and produce vibrations to shake the impurity of filter screen adhesion on with the installing frame, avoid impurity to condense and block up the filter screen.

The inner wall of the heat exchange box is provided with a heat conduction plate with meshes, and the heat conduction plate is provided with a heat exchange tube.

Structure more than adopting, cooperation through setting up between heat-conducting plate and the heat exchange tube in the heat exchange case can be effectual derives the heat in the flue gas, cooperates two heat transfer connecting pipes again to derive the heat and utilizes.

Compared with the prior art, the full-automatic low-nitrogen condensing gas-fired hot water boiler has the advantages that:

1. the filter box is arranged at the smoke inlet of the heat exchange box, the inclined installation frame is arranged in the filter box, the filter screens with different specifications can effectively filter impurities in smoke in the actual use process through the installation frame, the detachable sealing plate is arranged on the filter box, and the impurities in the filter box can be cleaned regularly, so that the problem that the impurities in the smoke enter the heat exchange box to affect the heat exchange efficiency is solved effectively.

2. Through set up the baffle in the rose box, the baffle divides into two regions in with the rose box, sets up adjustable sliding plate in the baffle bottom again, through the sliding plate open the impurity clearance that gathers on the convenient with the baffle below to can effectively avoid the filter screen on the installing frame the condition that blocks up to appear, set up actuating mechanism in the baffle bottom again simultaneously, thereby produce the impurity shake of vibration convenience on with the filter screen through actuating mechanism and fall, prevent the clearance in the inconvenient later stage of impurity condensation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the filter box of the present invention;

FIG. 3 is a schematic view of the structure of the separator of the present invention;

FIG. 4 is a schematic structural view of a mounting frame according to the present invention;

FIG. 5 is a front view of the driving mechanism of the present invention;

in the figure: 1. a heat exchange box; 2. a heat exchange connecting pipe; 3. a top cover; 4. a smoke pipe; 5. a filter box; 6. installing a pipe; 7. a sealing plate; 8. a partition plate; 9. installing a frame; 10. a drive mechanism; 11. a mounting seat; 12. a motor; 13. a bidirectional lead screw; 14. a thread block; 15. a slide rail; 16. a sliding plate; 17. a trash discharge port; 18. a drive cartridge; 19. a drive plate; 20. a drive ball; 21. a gear; 22. an electric slide rail; 23. a rack.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, the embodiment provides a full-automatic low-nitrogen condensing gas-fired hot water boiler, which comprises a heat exchange box 1, wherein a filter box 5 is arranged on the outer wall of the bottom of the heat exchange box 1, an access hole is formed in the outer wall of one side of the filter box 5, a sealing plate 7 is arranged on the inner wall of the access hole, the inner walls of two sides of the filter box 5 are provided with a same partition plate 8, two sides of the outer wall of the top of the partition plate 8 are provided with inclined mounting frames 9, two sides of the outer wall of the top of the partition plate 8 are provided with impurity discharging holes 17, one side of the outer wall of the bottom of the partition plate 8 is provided with a driving mechanism 10, two sides of the outer wall of the bottom of the partition plate 8 are provided with mounting seats 11, the two mounting seats 11 are connected with a same two-way screw 13 through bearings, the outer wall of the two-way screw 13 is provided with threaded blocks 14, the outer wall of the bottom of the partition plate 8 is fixedly connected with a motor 12, an output shaft of the motor 12 is connected to the two-way screw 13 through a coupling, the equal fixedly connected with slide rail 15 in both sides of baffle 8 bottom outer wall, the equal sliding connection of inner wall of two slide rails 15 has sliding plate 16, and the specification of two sliding plates 16 and the specification phase-match of two trash discharging openings 17, two screw thread blocks 14 are connected respectively on two sliding plates 16.

Openings are formed in one side of the outer wall of the top of the partition plate 8 and one side of the inner wall of the bottom of the filter box 5, the inner walls of the two openings are connected with the same installation pipe 6, smoke openings are formed in one side of the outer wall of the top of the filter box 5 and one side of the outer wall of the bottom of the heat exchange box 1, and the two smoke openings are communicated; in the present embodiment, the partition plate 8 is disposed inside the filter box 5 to divide the filter box 5 into two regions, and the flue gas can be directly introduced into the upper region of the partition plate 8 by the arrangement of the installation pipe 6, while the flue gas does not exist in the lower region of the partition plate 8.

The outer wall of the top of the heat exchange box 1 is provided with a top cover 3, and the outer wall of the top cover 3 is provided with a smoke tube 4; in this embodiment, through set up detachable top cap 3 at heat exchange box 1 top, conveniently carry out regular clearance maintenance in heat exchange box 1 to guarantee heat exchange box 1's heat exchange efficiency.

Round openings are formed in two sides of the outer wall of one side of the heat exchange box 1, and heat exchange connecting pipes 2 are arranged on the inner walls of the two round openings; in this embodiment, the heat on the heat pipe in the heat exchange box 1 is conveniently conducted out and utilized through the two heat exchange connecting pipes 2, so that the utilization rate of the heat is improved.

The driving mechanism 10 comprises a driving box 18, the inner walls of two sides of the driving box 18 are connected with a same driving plate 19 through bearings, two sides of the outer wall of the top of the driving plate 19 are both provided with grooves, the inner walls of the two grooves are provided with driving balls 20, one end of a transmission shaft of the driving plate 19 is provided with a gear 21, the inner walls of two sides of the driving box 18 are provided with a same electric sliding rail 22, and the inner walls of the electric sliding rail 22 are connected with racks 23 meshed with the gear 21 in a sliding manner; in this embodiment, set up actuating mechanism 10 in the lower part of baffle 8, drive rack 23 through electronic slide rail 22 and be straight reciprocating motion, through the cooperation between gear 21 and the rack 23, can drive plate 19 and swing in certain angle, drive ball 20 during the swing and strike drive box 18 and produce vibrations to shake the impurity of filter screen adhesion on with installing frame 9, avoid impurity to condense and block up the filter screen.

The inner wall of the heat exchange box 1 is provided with a heat conducting plate with meshes, and the heat conducting plate is provided with a heat exchange tube; in this embodiment, through the cooperation that sets up between heat-conducting plate and the heat exchange tube in heat exchange case 1 can be effectual derive the heat in the flue gas, cooperate two heat transfer connecting pipes 2 again to derive the heat and utilize.

The working principle of the utility model is as follows: when the boiler is in actual use, two filter screens with different specifications are arranged on two mounting frames 9 according to actual conditions, then the mounting tube 6 is connected into a flue of the boiler, when flue gas enters the filter box 5 through the mounting tube 6, impurities doped in the flue gas are filtered through the filter screens on the two mounting frames 9 in sequence, the filtered flue gas enters the heat exchange box 1 and is connected with the heat conduction plate heat conduction tube to conduct heat out, when the boiler stops working, the motor 12 drives the two-way lead screw 13 to rotate, as the special structure of the two-way lead screw 13 can enable the two thread blocks 14 to move away from or towards each other when rotating, the two sliding plates 16 are driven to open the impurity discharge port 17, meanwhile, the electric slide rail 22 in the driving mechanism 10 is started, the rack 23 is driven to do linear reciprocating motion, the rack 23 is meshed with the gear 21 to drive the gear 21 to rotate, and further the driving plate 19 to do reciprocating swing within a certain angle, when the driving plate 19 swings, the driving ball 20 is driven to knock the driving box 18 to generate vibration, so that impurities on the filter screen are shaken off and fall on the bottom of the filter box 5 through the impurity discharging port 17, and after cleaning is completed, the impurity discharging port 17 is closed through the sliding plate 16.

To sum up, the setting of filter screen can be effectual with the impurity filtering in the flue gas on installing frame 9 in rose box 5 and rose box 5, thereby avoid impurity adhesion on the heat pipe in heat transfer box 1, the efficiency of heat conduction is guaranteed simultaneously in the life of improvement heat pipe, sliding plate 16 through setting up two-way lead screw 13 regulation in baffle 8 bottom, the convenience is opened and shut to row's miscellaneous mouthful 17 on baffle 8, and then be convenient for with the leading-in 5 bottoms to the rose box of impurity on baffle 8 upper portion, avoid the condition of filter screen jam, set up actuating mechanism 10 again, avoid the influence of impurity adhesion on the filter screen to filter through the vibration that actuating mechanism 10 produced.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The full-automatic low-nitrogen condensing gas-fired hot water boiler comprises a heat exchange box (1) and is characterized in that a filter box (5) is arranged on the outer wall of the bottom of the heat exchange box (1), an access hole is formed in the outer wall of one side of the filter box (5), a sealing plate (7) is arranged on the inner wall of the access hole, the inner walls of the two sides of the filter box (5) are provided with the same partition plate (8), inclined installation frames (9) are arranged on the two sides of the outer wall of the top of the partition plate (8), impurity discharging holes (17) are formed in the two sides of the outer wall of the top of the partition plate (8), a driving mechanism (10) is arranged on one side of the outer wall of the bottom of the partition plate (8), installation seats (11) are arranged on the two sides of the outer wall of the bottom of the partition plate (8), the same two-way lead screw (13) is connected between the installation seats (11) through a bearing, and a threaded block (14) is arranged on the outer wall of the two-way lead screw (13), the outer wall of the bottom of the partition plate (8) is fixedly connected with a motor (12), an output shaft of the motor (12) is connected onto a bidirectional screw rod (13) through a coupler, slide rails (15) are fixedly connected to the two sides of the outer wall of the bottom of the partition plate (8), two slide rails (15) are slidably connected to the inner wall of each slide rail (15), two sliding plates (16) are matched with the specifications of two impurity discharge ports (17), and two thread blocks (14) are connected onto the two sliding plates (16) respectively.

2. The full-automatic low-nitrogen condensing gas-fired hot water boiler according to claim 1, wherein one side of the top outer wall of the partition plate (8) and one side of the bottom inner wall of the filter box (5) are opened, the same mounting pipe (6) is connected to the inner walls of the two openings, and the smoke ports are opened on one side of the top outer wall of the filter box (5) and one side of the bottom outer wall of the heat exchange box (1) and communicated with each other.

3. The full-automatic low-nitrogen condensing gas-fired hot water boiler according to claim 1, characterized in that the top outer wall of the heat exchange box (1) is provided with a top cover (3), and the top outer wall of the top cover (3) is provided with a smoke tube (4).

4. The full-automatic low-nitrogen condensing gas-fired hot water boiler according to claim 1, wherein round mouths are formed on both sides of the outer wall of one side of the heat exchange box (1), and heat exchange connecting pipes (2) are arranged on the inner walls of the two round mouths.

5. The full-automatic low-nitrogen condensing gas-fired hot water boiler according to claim 1, wherein the driving mechanism (10) comprises a driving box (18), the inner walls of two sides of the driving box (18) are connected with a same driving plate (19) through bearings, two sides of the outer wall of the top of the driving plate (19) are both provided with grooves, the inner walls of the two grooves are provided with driving balls (20), one end of a transmission shaft of the driving plate (19) is provided with a gear (21), the inner walls of two sides of the driving box (18) are provided with a same electric sliding rail (22), and the inner wall of the electric sliding rail (22) is slidably connected with a rack (23) meshed with the gear (21).

6. A full automatic low nitrogen condensing gas hot water boiler according to claim 1, characterized in that the inner wall of said heat exchange box (1) is provided with a heat conducting plate with meshes, said heat conducting plate is provided with heat exchange tubes.