CN215675842U

CN215675842U - High-efficient gas heat supply boiler that flue gas preheats

Info

Publication number: CN215675842U
Application number: CN202122126492.7U
Authority: CN
Inventors: 韩丽; 戴振宇; 刘义彬; 杨敏华; 张琪; 刘冉冉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-28
Anticipated expiration: 2031-09-06

Abstract

The utility model provides a high-efficiency gas heating boiler with preheated flue gas. High-efficient gas heating boiler that flue gas preheated includes: the bottom of the machine body is fixedly provided with two support legs; the combustion chamber is fixedly arranged on the inner wall of the bottom of the machine body, and the top of the combustion chamber is fixedly connected with the inner wall of the top of the machine body; the two first threaded rods are rotatably arranged on the inner wall of the bottom of the machine body, and the tops of the two first threaded rods respectively extend to the upper part of the machine body; the two first synchronous belt wheels are fixedly sleeved at the top ends of the two first threaded rods. The high-efficiency gas heating boiler with the preheated flue gas provided by the utility model has the advantages of long service life and high working efficiency.

Description

High-efficient gas heat supply boiler that flue gas preheats

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a high-efficiency gas heating boiler with preheated flue gas.

Background

Gas heating boiler also is called gas heating boiler, thereby it means utilizes gas combustion to satisfy the boiler that people used with the boiler water heating, and traditional gas heating boiler uses the back for a long time, and its inside can remain a large amount of incrustations, can lead to steel stress to suffer destruction after the scale deposit, and intensity reduces to some extent, can appear the phenomenon of bursting when serious, seriously reduces boiler life, leads to work efficiency to descend.

Therefore, it is necessary to provide a high-efficiency gas-fired heating boiler with flue gas preheating to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the efficient gas-fired heat supply boiler with long service life and high working efficiency for preheating the flue gas.

In order to solve the technical problem, the utility model provides a high-efficiency gas heating boiler with preheated flue gas, which comprises: the bottom of the machine body is fixedly provided with two support legs; the combustion chamber is fixedly arranged on the inner wall of the bottom of the machine body, and the top of the combustion chamber is fixedly connected with the inner wall of the top of the machine body; the two first threaded rods are rotatably arranged on the inner wall of the bottom of the machine body, and the tops of the two first threaded rods respectively extend to the upper part of the machine body; the two first synchronous belt wheels are fixedly sleeved at the top ends of the two first threaded rods; the motor is fixedly arranged at the top of the machine body; the second synchronous belt wheel is fixedly sleeved on the output shaft of the motor; the scraping plates are arranged on the two first threaded rods in a threaded mode, the outer walls of the scraping plates are in contact with the inner wall of the machine body, and the inner walls of the scraping plates are in contact with the outer wall of the combustion chamber; the preheating chamber is fixedly arranged on the outer wall of the machine body and communicated with the machine body, and a water inlet pipe is fixedly arranged on the preheating chamber; the air inlet pipe is fixedly arranged on the machine body, and one end of the air inlet pipe, which is far away from the machine body, extends into the preheating chamber; the spiral pipe is arranged at one end of the air inlet pipe, which is positioned in the preheating chamber; the air outlet pipe is arranged on the machine body, and the top end of the air outlet pipe is fixedly connected with the spiral pipe; the discharging mechanism is arranged at the bottom of the machine body and used for cleaning scale removed by the scraper.

Preferably, it includes two bin outlets, two baffles, U-shaped frame and second threaded rod, two to arrange the material outlet and all set up the bottom of organism, two the baffle is slidable mounting respectively on the outer wall of one side that two landing legs are close to each other, and two the baffle is with two the bin outlet is corresponding, two the top of baffle all is provided with first sealing washer, just first sealing washer with the organism contacts, U-shaped frame fixed mounting is two the bottom of baffle, the second threaded rod rotates to be installed the bottom of organism, just the second threaded rod with U-shaped frame threaded connection.

Preferably, an igniter is fixedly installed on the inside of the combustion chamber.

Preferably, a gas pipe is fixedly installed on the machine body, and the top end of the gas pipe extends into the combustion chamber.

Preferably, the first synchronous pulley and the second synchronous pulley are sleeved with the same synchronous belt.

Preferably, the outer wall of the machine body is fixedly provided with a water outlet pipe.

Preferably, the gag is installed to the bottom screw thread of preheating chamber, just fixed mounting second sealing washer is covered to the gag, just the second sealing washer with the bottom of preheating chamber contacts, the gag with the outlet duct rotates and is connected, rotate on the inner wall of gag and install the turning block, the turning block with outlet duct fixed connection, fixed mounting has two dead levers, and two on the inner wall of preheating chamber the dead lever with turning block sliding connection, the top fixed mounting of spiral pipe has the connecting piece, just fixed mounting has the third sealing washer on the inner wall of connecting piece, the intake pipe is located preheating indoor one end setting in the connecting piece and with the third sealing washer is inconsistent.

Compared with the related art, the high-efficiency gas heating boiler with the preheated flue gas provided by the utility model has the following beneficial effects:

the utility model provides a high-efficiency gas-fired heat supply boiler with a preheated flue gas, scale on the inner wall of a machine body and the outer wall of a combustion chamber can be scraped by starting a motor, a second threaded rod is rotated to clean the scale in the machine body, and the device can be effectively prevented from bursting at a high temperature state, so that the service life of the device is prolonged, the heat transfer efficiency can be improved, and the water heating efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a flue gas preheated high efficiency gas fired heat supply boiler provided by the present invention;

FIG. 2 is a schematic top view of the squeegee shown in FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the flue gas preheated high efficiency gas-fired heat supply boiler provided by the present invention;

FIG. 4 is a schematic top view of the connector of FIG. 3;

fig. 5 is an enlarged schematic view of a portion a shown in fig. 3.

Reference numbers in the figures: 1. a body; 2. a combustion chamber; 3. a first threaded rod; 4. a first timing pulley; 5. a motor; 6. a second timing pulley; 7. a squeegee; 8. a preheating chamber; 9. an air inlet pipe; 10. a spiral tube; 11. an air outlet pipe; 12. an igniter; 13. a discharge outlet; 14. a baffle plate; 15. a U-shaped frame; 16. a second threaded rod; 17. a plug cover; 18. rotating the block; 19. fixing the rod; 20. a connecting member.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-2, in a first embodiment of the present invention, a flue gas preheated high efficiency gas fired heat boiler comprises: the device comprises a machine body 1, wherein two support legs are fixedly arranged at the bottom of the machine body 1; the combustion chamber 2 is fixedly arranged on the inner wall of the bottom of the machine body 1, the top of the combustion chamber 2 is fixedly connected with the inner wall of the top of the machine body 1, and the combustion chamber 2 is used for supplying heat to water of the machine body 1; the two first threaded rods 3 are rotatably mounted on the inner wall of the bottom of the machine body 1, the tops of the two first threaded rods 3 extend to the upper side of the machine body 1 respectively, and the two first threaded rods 3 can drive the scraper 7 to move under the action of a motor 5, two first synchronous belt wheels 4, a second synchronous belt wheel 6 and a synchronous belt; the two first synchronous belt wheels 4 are fixedly sleeved at the top ends of the two first threaded rods 3; the motor 5 is fixedly arranged at the top of the machine body 1; the second synchronous belt wheel 6 is fixedly sleeved on the output shaft of the motor 5; the scraping plates 7 are arranged on the two first threaded rods 3 in a threaded mode, the outer walls of the scraping plates 7 are in contact with the inner wall of the machine body 1, the inner walls of the scraping plates 7 are in contact with the outer wall of the combustion chamber 2, and the scraping plates 7 are used for cleaning scale on the inner wall of the machine body 1 and the outer wall of the combustion chamber 2; the preheating chamber 8 is fixedly arranged on the outer wall of the machine body 1, the preheating chamber 8 is communicated with the machine body 1, a water inlet pipe is fixedly arranged on the preheating chamber 8, and the preheating chamber 8 is used for preheating water and preventing the water from directly entering the machine body 1 to cause an emergency heating phenomenon; the air inlet pipe 9 is fixedly arranged on the machine body 1, one end, far away from the machine body 1, of the air inlet pipe 9 extends into the preheating chamber 8, and the air inlet pipe 9 is used for transmitting high-temperature gas generated by combustion of fuel gas into the preheating chamber 8; the spiral pipe 10 is installed on one end, located in the preheating chamber 8, of the air inlet pipe 9, in the embodiment, the spiral pipe 10 is directly and fixedly connected with one end, located in the preheating chamber 8, of the air inlet pipe 9, and the spiral pipe 10 is used for increasing the preheating area of water and improving the preheating effect; the air outlet pipe 11 is installed on the machine body 1, the top end of the air outlet pipe 11 is fixedly connected with the spiral pipe 10, and in the embodiment, the air outlet pipe 11 is fixedly connected with the preheating chamber 8; the discharging mechanism is arranged at the bottom of the machine body 1 and used for cleaning scale removed by the scraper 7.

Discharge mechanism includes two bin outlet 13, two baffles 14, U-shaped frame 15 and second threaded rod 16, two bin outlet 13 is all seted up the bottom of organism 1, two bin outlet 13 are used for clearing up the incrustation scale in the organism 1, two baffle 14 is slidable mounting respectively on the outer wall of one side that two landing legs 1 are close to each other, and two baffle 14 and two the bin outlet 13 is corresponding, two baffle 14's top all is provided with first sealing washer, first sealing washer is used for increasing the leakproofness between two baffles 14 and the organism 1, just first sealing washer with organism 1 contacts, 15 fixed mounting of U-shaped frame is two the bottom of baffle 14, second threaded rod 16 rotates to be installed the bottom of organism 1, just second threaded rod 16 with 15 threaded connection of U-shaped frame.

In order to facilitate ignition of the dye, an igniter 12 is fixedly mounted on the inside of the combustion chamber 2.

Fixed mounting gas pipe on organism 1, just the top of gas pipe extends to in the combustion chamber 2.

The two first synchronous belt wheels 4 and the second synchronous belt wheel 6 are sleeved with the same synchronous belt.

And a water outlet pipe is fixedly arranged on the outer wall of the machine body 1.

In this embodiment:

the first step is as follows: this device uses before, at first with the inlet tube, the outlet pipe is connected with the suitable pipeline in the external world with the gas pipe, connect external water and gas can transmit to preheating chamber 8 and combustion chamber 2 through inlet tube and fuel pipe respectively after accomplishing in, start point firearm 12 and light fuel afterwards, the produced high-temperature gas of gas combustion can independently get into spiral pipe 10 through intake pipe 9 and discharge through outlet duct 11 afterwards in, high-temperature gas can make spiral pipe 10 rapid heating up preheat water after getting into spiral pipe 10, can get into through combustion chamber 2 and heat it in organism 1 after the water level reachs suitable height in preheating chamber 8, water accessible outlet pipe after the heating discharges outside the organism.

The second step is that: when the device is used for a long time, a large amount of scale is adhered to the walls of the machine body 1 and the combustion chamber 2, and when the scale needs to be cleaned, the motor 5 can be started, the output shaft of the motor 5 drives the second synchronous belt wheel 6 to rotate, the second synchronous belt wheel 6 drives the two first synchronous belt wheels 4 to synchronously rotate through the synchronous belt, the two first synchronous belt wheels 4 drive the two first threaded rods 3 to rotate, the two first threaded rods 3 drive the scraper 7 to move to scrape scale on the inner wall of the machine body 1 and the outer wall of the combustion chamber 2, after the scraping is finished, reverse starter motor 5 drive scraper blade 7 resume to initial position can, rotatable second threaded rod 16 this moment, second threaded rod 16 drive the motion of U-shaped frame 15, and U-shaped frame 15 drives two baffle 14 motions, can open two bin outlet 13 then, can clear up the incrustation scale afterwards, and the clearance is accomplished back reverse rotation second threaded rod 16 and is driven two baffles 14 and resume to initial position and can reuse this device.

can strike off the incrustation scale on the inner wall of organism 1 and the outer wall of combustion chamber 2 through starter motor 5, rotate the incrustation scale of second threaded rod 16 in to organism 1 and clear up, and then can effectively avoid this device to burst under the high temperature state to improve the life of device, can improve thermal transmission efficiency simultaneously, make the heating efficiency of water improve.

Second embodiment:

based on the high-efficient gas heating boiler that the flue gas preheated that the first embodiment of this application provided, the second embodiment of this application provides the high-efficient gas heating boiler that another kind of flue gas preheated. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 3 to 5, in this embodiment, the spiral tube 10 and the gas outlet tube 11 are not fixedly connected to the gas inlet tube 9 and the preheating chamber 8, but another installation form is adopted, specifically, the high-efficiency gas-fired heating boiler for preheating flue gas further includes a plug 17, the plug 17 is installed at the bottom of the preheating chamber 8 in a threaded manner, a second sealing ring is fixedly installed on the plug 17 and is in contact with the bottom of the preheating chamber 8, the second sealing ring is used for increasing the sealing performance between the plug 17 and the preheating chamber 8, the plug 17 is rotatably connected to the gas outlet tube 11, a rotating block 18 is rotatably installed on the inner wall of the plug 17, the rotating block 18 is fixedly connected to the gas outlet tube 11, two fixing rods 19 are fixedly installed on the inner wall of the preheating chamber 8, and the two fixing rods 19 are slidably connected to the rotating block 18, the top fixed mounting of spiral pipe 10 has connecting piece 20, just fixed mounting has the third sealing washer on the inner wall of connecting piece 20, and the third sealing washer is used for increasing the leakproofness between spiral pipe 10 and the intake pipe 9, intake pipe 9 is located one end setting in the preheating chamber 8 in the connecting piece 20 and with the third sealing washer is inconsistent.

In this embodiment:

after long-time use, the plug cover 17 can be rotated after use, the plug cover 17, the rotating block 18, the air outlet pipe 11, the spiral pipe 10 and the connecting piece 20 can be taken out from the preheating chamber 8 at the same time for replacement, so that the preheating effect can be prevented from being influenced by residual scale on the spiral pipe 10 for a long time, and the usability of the device is improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a high-efficient gas heating boiler that flue gas preheated which characterized in that includes:

the bottom of the machine body is fixedly provided with two support legs;

the combustion chamber is fixedly arranged on the inner wall of the bottom of the machine body, and the top of the combustion chamber is fixedly connected with the inner wall of the top of the machine body;

the two first threaded rods are rotatably arranged on the inner wall of the bottom of the machine body, and the tops of the two first threaded rods respectively extend to the upper part of the machine body;

the two first synchronous belt wheels are fixedly sleeved at the top ends of the two first threaded rods;

the motor is fixedly arranged at the top of the machine body;

the second synchronous belt wheel is fixedly sleeved on the output shaft of the motor;

the scraping plates are arranged on the two first threaded rods in a threaded mode, the outer walls of the scraping plates are in contact with the inner wall of the machine body, and the inner walls of the scraping plates are in contact with the outer wall of the combustion chamber;

the preheating chamber is fixedly arranged on the outer wall of the machine body and communicated with the machine body, and a water inlet pipe is fixedly arranged on the preheating chamber;

the air inlet pipe is fixedly arranged on the machine body, and one end of the air inlet pipe, which is far away from the machine body, extends into the preheating chamber;

the spiral pipe is arranged at one end of the air inlet pipe, which is positioned in the preheating chamber;

the air outlet pipe is arranged on the machine body, and the top end of the air outlet pipe is fixedly connected with the spiral pipe;

the discharging mechanism is arranged at the bottom of the machine body and used for cleaning scale removed by the scraper.

2. A high-efficient gas heating boiler of flue gas preheating as claimed in claim 1, characterized in that, the discharge mechanism includes two discharge openings, two baffles, U-shaped frame and second threaded rod, two the discharge openings are all opened at the bottom of the machine body, two the baffles are respectively slidably mounted on one side outer wall where two legs are close to each other, and two the baffles are corresponding to two the discharge openings, two the top of the baffle all is provided with the first sealing ring, just the first sealing ring contacts with the machine body, U-shaped frame fixed mounting is at two the bottom of baffle, the second threaded rod is rotatably mounted at the bottom of the machine body, just the second threaded rod with U-shaped frame threaded connection.

3. The efficient gas-fired heat supply boiler with flue gas preheating of claim 1, wherein an igniter is fixedly installed on the inside of the combustion chamber.

4. The efficient gas-fired heat supply boiler with flue gas preheating according to claim 1, wherein a gas pipe is fixedly installed on the body, and the top end of the gas pipe extends into the combustion chamber.

5. The flue gas preheated high-efficiency gas-fired heat supply boiler according to claim 1, wherein the same synchronous belt is sleeved on the two first synchronous pulleys and the second synchronous pulley.

6. The efficient gas-fired heat supply boiler with flue gas preheating of claim 1, wherein a water outlet pipe is fixedly installed on the outer wall of the machine body.

7. The efficient gas-fired heat supply boiler with flue gas preheating of claim 1, wherein a plug cover is installed at the bottom of the preheating chamber in a threaded manner, a second sealing ring is fixedly installed on the plug cover and is in contact with the bottom of the preheating chamber, the plug cover is rotatably connected with the air outlet pipe, a rotating block is rotatably installed on the inner wall of the plug cover and is fixedly connected with the air outlet pipe, two fixing rods are fixedly installed on the inner wall of the preheating chamber and are in sliding connection with the rotating block, a connecting piece is fixedly installed at the top end of the spiral pipe, a third sealing ring is fixedly installed on the inner wall of the connecting piece, and one end of the air inlet pipe, which is located in the preheating chamber, is arranged in the connecting piece and is in contact with the third sealing ring.