CN112944659A

CN112944659A - Gas wall-mounted furnace capable of improving heat utilization rate

Info

Publication number: CN112944659A
Application number: CN202110418352.9A
Authority: CN
Inventors: 黄德强; 杨少兵; 童有和; 李成军; 宫澎涛; 孙跃武
Original assignee: Chuzhou Yangzi Thermal Energy Equipment Co ltd
Current assignee: Chuzhou Yangzi Thermal Energy Equipment Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-06-11

Abstract

The invention discloses a wall-mounted gas stove capable of improving the heat utilization rate, which comprises a wall-mounted gas stove body, wherein a combustion chamber and an installation chamber are arranged in the wall-mounted gas stove body, a burner is fixedly installed on the inner wall of the bottom of the combustion chamber, a heat exchanger and a smoke collecting hood are fixedly installed in the combustion chamber, the smoke collecting hood is positioned above the heat exchanger, and a smoke exhaust fan is fixedly installed on the inner wall of the top of the combustion chamber. The invention has reasonable design and good practicability, can preheat the clean water in the expansion water tank by utilizing the waste heat in the flue gas, can recycle the waste heat in the flue gas, improves the efficiency of heating the clean water, reduces the use amount of fuel gas, has the effect of energy saving, is convenient to clean and descale the inside of the heat exchanger, is convenient and fast to operate, avoids the influence on the heat exchange efficiency due to the long-term adhesion of scale on the inner wall of the heat exchanger, can accelerate the heat exchange efficiency, and can effectively improve the heat utilization rate.

Description

Gas wall-mounted furnace capable of improving heat utilization rate

Technical Field

The invention relates to the technical field of gas wall-mounted furnaces, in particular to a gas wall-mounted furnace capable of improving the heat utilization rate.

Background

The gas hanging stove is a water heater using natural gas as the energy, the protection of preventing frostbite, prevent dry combustion method protection, unexpected flame-out protection, the protection of high temperature, multiple safety protection measures such as the dead protection of water pump anti-sticking, the gas hanging stove has powerful family central heating function, can satisfy the heating demand in many rooms, each room can set for comfortable temperature at will according to the demand, also can decide a certain room and close the heating alone as required, and can provide large-traffic constant temperature sanitary hot water, supply the family to take a shower, the use in places such as kitchen, economical and practical, nowadays, the use of gas hanging stove is more and more common, it is convenient to bring for people's life.

However, in the prior art, when a commonly-used wall-mounted gas boiler is used, flue gas generated in a gas combustion process is usually directly discharged into the atmosphere, waste heat in the flue gas cannot be utilized to preheat clean water, so that heat energy is wasted, the efficiency of heating the clean water is reduced, the use amount of the gas is increased, the energy saving performance is poor, the heat utilization rate is reduced, the inside of a heat exchanger is not convenient to clean and descale, scale adhered to the heat exchanger in the wall-mounted gas boiler affects the heat exchange efficiency, the heat exchange efficiency is reduced, and the heat utilization rate is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a wall-mounted gas boiler capable of improving the heat utilization rate, and solves the problems that when the wall-mounted gas boiler is used, waste heat in flue gas cannot be utilized to preheat clean water, heat energy is wasted, the efficiency of heating the clean water is reduced, the use amount of fuel gas is increased, the energy-saving performance is poor, the heat utilization rate is reduced, the inside of a heat exchanger is inconvenient to clean and descale, scale adhered to the heat exchanger in the wall-mounted gas boiler affects the heat exchange efficiency, the heat exchange efficiency is reduced, and the heat utilization rate is reduced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a gas wall-mounted furnace for improving heat utilization rate comprises a gas wall-mounted furnace body, wherein a combustion chamber and an installation chamber are arranged in the gas wall-mounted furnace body, a burner is fixedly installed on the inner wall of the bottom of the combustion chamber, a heat exchanger and a smoke collecting hood are fixedly installed in the combustion chamber, the smoke collecting hood is positioned above the heat exchanger, a smoke exhaust fan is fixedly installed on the inner wall of the top of the combustion chamber, a smoke suction pipe is fixedly installed at the suction end of the smoke exhaust fan, one end, away from the smoke exhaust fan, of the smoke suction pipe is fixedly connected with the smoke collecting hood, a smoke conveying pipe is fixedly installed at the discharge end of the smoke exhaust fan, a hot water output pipe is fixedly installed at the bottom of the heat exchanger, a gas pipe is fixedly installed at the bottom of the burner, the bottom end of the hot water output pipe and the bottom end, the one end fixedly connected with of U type coil pipe discharges fume the pipe, the bottom of discharging fume the pipe extends to outside the gas hanging stove body, expansion tank's top fixed mounting has the water pump, the suction end fixed mounting of water pump has the pipe that absorbs water, the one end that the water pump was kept away from to the pipe that absorbs water extends to in the expansion tank, the discharge end fixed mounting of water pump has the outlet pipe, the one end that the water pump was kept away from to the outlet pipe extends to in the heat exchanger, one side fixed mounting of expansion tank has the feed pipe, it is external that the one end that expansion tank was kept away from to the feed pipe extends to the gas hanging stove originally, the right side of gas hanging stove body is provided with dust removal mechanism.

Preferably, dust removal mechanism includes dust removal case, filter screen and active carbon filler plate, and dust removal case fixed mounting is on the right side wall of gas hanging stove body, and the equal fixed mounting of filter screen and active carbon filler plate is at the dust removal incasement, and the filter screen is located the top of active carbon filler plate, and the one end that smoke exhaust fan was kept away from to the flue gas conveyer pipe extends to the dust removal incasement, and the bottom fixed mounting of dust removal case has a play tobacco pipe, and the one end that the dust removal case was kept away from to play tobacco pipe extends to expansion tank in and keeps away from the one end fixed connection of discharging fume the pipe with the U type coil.

Preferably, a cleaning opening is formed in the inner wall of one side, away from the gas wall-mounted furnace body, of the dust removal box, a cleaning door is fixedly mounted on one side, away from the gas wall-mounted furnace body, of the dust removal box through screws, and the cleaning door is matched with the cleaning opening.

Preferably, the cleaning mechanism comprises a hollow shaft, two vertical rods, two scraping plates, a spray head, a heat insulation cover, a gear wheel, a motor, a rotating shaft, a cam, a pinion, a liquid pumping cylinder, a piston, a push rod, a push plate, a spring, a liquid discharge pipe, a liquid suction pipe, a blow-off pipe and a blow-off end cover, the hollow shaft is arranged in the heat exchanger, the two vertical rods are fixedly arranged at the top and the bottom of the hollow shaft respectively, the two scraping plates are fixedly arranged at one ends of the corresponding vertical rods respectively, the two scraping plates are in sliding contact with the inner wall of the heat exchanger, the spray head is fixedly arranged at one end of the hollow shaft, both sides of the heat insulation cover are of an open structure, one side of the heat insulation cover is fixedly connected with one side of the heat exchanger, the other side of the heat insulation cover is fixedly connected, the gear wheel is positioned in the heat insulation cover and fixedly sleeved on the hollow shaft, the motor is positioned in the heat insulation cover and fixedly installed on the inner wall of the gas wall-mounted furnace body, one end of the rotating shaft is fixedly connected with the output shaft end of the motor, the cam and the pinion are fixedly sleeved on the rotating shaft, and the pinion is meshed with the gear wheel.

Preferably, an extraction barrel is fixedly installed on the inner wall of the bottom of the heat insulation cover, the top of the extraction barrel is of an opening structure, a piston is slidably installed in the extraction barrel, a push rod is fixedly installed at the top of the piston, the top of the push rod extends out of the extraction barrel, a push plate is fixedly installed at the top of the push rod, a spring sleeve is arranged on the push rod, the top of the spring is fixedly connected with the bottom of the push plate, the bottom of the spring is fixedly connected with the top of the extraction barrel, a liquid discharge pipe and a liquid suction pipe are respectively and fixedly installed on two sides of the extraction barrel, one end, far away from the extraction barrel, of the liquid discharge pipe extends into a hollow shaft, a sewage discharge pipe is fixedly installed on one side of a heat exchanger, one end, far away from the heat exchanger.

Preferably, the right side fixed mounting of gas hanging stove body has the liquid reserve tank, and the liquid suction pipe is kept away from the one end of drawing liquid section of thick bamboo and is extended to the liquid reserve tank in, and the liquid feeding hole has been seted up at the top of liquid reserve tank, and the downthehole movable mounting of liquid feeding has the cock.

Preferably, a first one-way valve is fixedly mounted on the liquid discharge pipe, a second one-way valve is fixedly mounted on the liquid suction pipe, a sealing ring is fixedly mounted on the inner wall of the hollow shaft, and the liquid discharge pipe is in rotary sealing contact with the inner wall of the hollow shaft through the sealing ring.

Preferably, a control panel is fixedly mounted on the outer wall of the front side of the gas wall-mounted furnace body.

(III) advantageous effects

The invention provides a wall-mounted gas furnace capable of improving the heat utilization rate. The method has the following beneficial effects:

(1) this improve heat utilization rate's gas hanging stove, gas hanging stove body is in the use, through starting smoke exhaust fan, can discharge the flue gas of production into the purifying box and carry out dust removal purification, when the air after the purification flows in the U type coil, the waste heat that does benefit to in the flue gas can preheat the clear water in the expansion tank, thereby can retrieve the waste heat in the flue gas and recycle, avoid causing the heat energy waste, the clear water after preheating is discharged and is heated in the heat exchanger, can improve the efficiency of heating the clear water, heat utilization rate has been improved, and the use amount of gas has been reduced, energy-conserving effect has, discharge to the external world through the flue gas after the purification, pollution and the destruction to the environment have been reduced, the effect of environmental protection has.

(2) This improve gas hanging stove of heat utilization efficiency, through the starter motor work, steerable two scraper blades and shower nozzle are rotatory, also can control the piston and carry out up-and-down motion in the drawing liquid section of thick bamboo, make the descaling liquid in the liquid reserve tank spray from the shower nozzle, utilize the centrifugal force that the rotatory in-process of shower nozzle produced, can evenly spray the descaling liquid on heat exchanger's inner wall, utilize the rotation of two scraper blades, can scrape the incrustation scale on the heat exchanger inner wall, the sump liquid is discharged from the blow off pipe, can carry out effectual clean scale removal to heat exchanger's inner wall, avoid long-term adhesion incrustation scale on heat exchanger's the inner wall and influence heat exchange efficiency, can accelerate heat exchange efficiency, can effectual improvement heat utilization efficiency, thereby be convenient for effectively scale removal to heat exchanger inside, time saving and labor saving, and work efficiency.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged schematic view of a portion C in fig. 2.

In the figure: 1. a gas wall-mounted boiler body; 2. a combustion chamber; 3. a mounting cavity; 4. a burner; 5. a heat exchanger; 6. a smoke collecting hood; 7. a smoke exhaust fan; 8. a smoking pipe; 9. a flue gas conveying pipe; 10. a hot water outlet pipe; 11. a gas pipe; 12. an expansion tank; 13. a U-shaped coil pipe; 14. a smoke exhaust pipe; 15. a water pump; 16. a suction pipe; 17. a water outlet pipe; 18. a water supply pipe; 19. a dust removal box; 20. filtering with a screen; 21. an activated carbon filler plate; 22. discharging the smoke tube; 23. a hollow shaft; 24. a vertical rod; 25. a squeegee; 26. a spray head; 27. a heat shield; 28. a bull gear; 29. a motor; 30. a rotating shaft; 31. a cam; 32. a pinion gear; 33. a liquid pumping cylinder; 34. a piston; 35. a push rod; 36. pushing the plate; 37. a spring; 38. a liquid discharge pipe; 39. a pipette; 40. a liquid storage tank; 41. a blow-off pipe; 42. a blowdown end cover; 43. a control panel; 44. and (6) cleaning the door.

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.

As shown in fig. 1 to 5, the present invention provides a technical solution: a gas wall-mounted furnace for improving heat utilization rate comprises a gas wall-mounted furnace body 1, a combustion chamber 2 and an installation chamber 3 are arranged in the gas wall-mounted furnace body 1, a combustor 4 is fixedly installed on the inner wall of the bottom of the combustion chamber 2, a heat exchanger 5 and a smoke collecting hood 6 are fixedly installed in the combustion chamber 2, the smoke collecting hood 6 is positioned above the heat exchanger 5, a smoke exhaust fan 7 is fixedly installed on the inner wall of the top of the combustion chamber 2, a smoke absorbing pipe 8 is fixedly installed at the suction end of the smoke exhaust fan 7, one end of the smoke absorbing pipe 8, far away from the smoke exhaust fan 7, is fixedly connected with the smoke collecting hood 6, a smoke conveying pipe 9 is fixedly installed at the discharge end of the smoke exhaust fan 7, a hot water output pipe 10 is fixedly installed at the bottom of the heat exchanger 5, a gas pipe 11 is fixedly installed at the bottom of the combustor 4, an expansion water tank 12 is fixedly installed in the installation cavity 3, a U-shaped coil 13 is fixedly installed in the expansion water tank 12, one end of the U-shaped coil 13 is fixedly connected with a smoke exhaust pipe 14, the bottom end of the smoke exhaust pipe 14 extends out of the gas wall-mounted furnace body 1, a water pump 15 is fixedly installed at the top of the expansion water tank 12, a water suction pipe 16 is fixedly installed at the suction end of the water pump 15, one end, away from the water pump 15, of the water suction pipe 16 extends into the expansion water tank 12, a water outlet pipe 17 is fixedly installed at the discharge end of the water pump 15, one end, away from the water pump 15, of the water outlet pipe 17 extends into the heat exchanger 5, a water supply pipe 18 is fixedly installed at one side of the expansion water tank 12, one end, away from the expansion water tank 12, of the water supply pipe 18 extends out of the gas wall-mounted furnace body 1, the purpose of environmental protection has, through setting up wiper mechanism, is convenient for clean the scale removal to 5 insides of heat exchanger, improves heat exchange efficiency, can fully effectual improvement heat utilization ratio.

Referring to fig. 4, in this embodiment, dust removal mechanism includes dust removal case 19, filter screen 20 and active carbon filler plate 21, dust removal case 19 fixed mounting is on the right side wall of gas hanging stove body 1, filter screen 20 and active carbon filler plate 21 are all fixed mounting in dust removal case 19, filter screen 20 is located the top of active carbon filler plate 21, the one end that smoke exhaust fan 7 was kept away from to flue gas conveyer pipe 9 extends to in the dust removal case 19, the bottom fixed mounting of dust removal case 19 has a smoke outlet pipe 22, the one end that smoke outlet pipe 22 kept away from dust removal case 19 extends to in the expansion tank 12 and keeps away from the one end fixed connection of smoke outlet pipe 14 with U type coil 13, through setting up U type coil 13, the flow time in the dust removal case 19 is again increased to the flue gas, can be more abundant transmit the waste heat in the flue gas to the clear water in the expansion tank 12.

In this embodiment, the clearance mouth has been seted up on the one side inner wall that gas hanging stove body 1 was kept away from to dust removal case 19, and there is clearance door 44 one side that gas hanging stove body 1 was kept away from to dust removal case 19 through screw fixed mounting, clearance door 44 and clearance mouth looks adaptation, through setting up clearance door 44 and clearance mouth, is convenient for clean the inside of dust removal case 19.

Referring to fig. 5, in the embodiment, the cleaning mechanism includes a hollow shaft 23, two vertical rods 24, two scrapers 25, a spray head 26, a heat shield 27, a large gear 28, a motor 29, a rotating shaft 30, a cam 31, a pinion 32, a liquid pumping cylinder 33, a piston 34, a push rod 35, a push plate 36, a spring 37, a drain pipe 38, a liquid suction pipe 39, a drain pipe 41 and a drain end cover 42, the hollow shaft 23 is disposed in the heat exchanger 5, the two vertical rods 24 are respectively and fixedly mounted at the top and the bottom of the hollow shaft 23, the two scrapers 25 are respectively and fixedly mounted at one end of the corresponding vertical rods 24, the two scrapers 25 are both in sliding contact with the inner wall of the heat exchanger 5, the spray head 26 is fixedly mounted at one end of the hollow shaft 23, both sides of the heat shield 27 are both in an open structure, one side of the heat shield, the mounting hole is formed in one side of the heat exchanger 5, the mounting hole is communicated with the interior of the heat insulation cover 27, one end, away from the spray head 26, of the hollow shaft 23 penetrates through the mounting hole, the large gear 28 is located in the heat insulation cover 27 and fixedly sleeved on the hollow shaft 23, the motor 29 is located in the heat insulation cover 27 and fixedly installed on the inner wall of the wall-mounted gas stove body 1, one end of the rotating shaft 30 is fixedly connected with the output shaft end of the motor 29, the cam 31 and the small gear 32 are fixedly sleeved on the rotating shaft 30, and the small gear 32 is meshed with.

Referring to fig. 5, in this embodiment, the liquid pumping cylinder 33 is fixedly installed on the inner wall of the bottom of the heat insulating cover 27, the top of the liquid pumping cylinder 33 is of an open structure, the piston 34 is slidably installed in the liquid pumping cylinder 33, the push rod 35 is fixedly installed on the top of the piston 34, the top end of the push rod 35 extends out of the liquid pumping cylinder 33, the push plate 36 is fixedly installed on the top end of the push rod 35, the spring 37 is sleeved on the push rod 35, the top end of the spring 37 is fixedly connected with the bottom of the push plate 36, the bottom end of the spring 37 is fixedly connected with the top of the liquid pumping cylinder 33, the liquid discharge pipe 38 and the liquid suction pipe 39 are respectively and fixedly installed on two sides of the liquid pumping cylinder 33, one end of the liquid discharge pipe 38 far from the liquid pumping cylinder 33 extends into the hollow shaft 23, the sewage discharge pipe 41 is fixedly installed on one side of the heat exchanger 5, one end.

In this embodiment, the right side fixed mounting of gas hanging stove body 1 has liquid reserve tank 40, and in liquid suction pipe 39 kept away from the one end of drawing liquid section of thick bamboo 33 extended to liquid reserve tank 40, the liquid feeding hole had been seted up at liquid reserve tank 40's top, and the downthehole movable mounting of liquid feeding has the cock, through setting up liquid reserve tank 40, is convenient for save descaling liquid, through setting up liquid feeding hole and cock, is convenient for add descaling liquid in the liquid reserve tank 40.

In this embodiment, fixed mounting has first check valve on the fluid-discharge tube 38, fixed mounting has the second check valve on the pipette 39, fixed mounting has the sealing washer on the inner wall of hollow shaft 23, fluid-discharge tube 38 passes through sealing washer and hollow shaft 23 inner wall rotation sealing contact, through setting up first check valve and second check valve, make descaling liquid only can carry out one-way flow in fluid-discharge tube 38 and pipette 39, through setting up the sealing washer, play and seal the effect of sheltering from to the clearance between fluid-discharge tube 38 and the hollow shaft 23, avoid descaling liquid to flow out from the clearance between fluid-discharge tube 38 and the hollow shaft 23.

In this embodiment, fixed mounting has control panel 43 on the front side outer wall of gas hanging stove body 1, through setting up control panel, is convenient for control the inside electrical equipment work of gas hanging stove body 1.

In this embodiment, suitable position on the indoor wall is fixed in the installation of gas hanging stove body 1, feed pipe 18 and external clear water pipeline fixed connection, can add the right amount clear water to expansion tank 12, gas pipe 11 and external gas pipeline fixed connection, hot water output tube 10 and domestic water pipeline fixed connection, exhaust pipe 14 and external flue gas pipeline fixed connection, be equipped with the right amount descaling liquid in the liquid reserve tank 40, install display and a plurality of button on the control panel 43, install external power cord on the gas hanging stove body 1, combustor 4, water pump 15, motor 29, control panel 43 and external power cord loop through wire electric connection and constitute the return circuit, a plurality of buttons on the control panel 43 can control combustor 4 respectively, water pump 15, the start-stop work of motor 29.

When the device is used, the water pump 15 is started, clean water in the expansion water tank 12 can be discharged into the heat exchanger 5, the combustor 4 is started, so that clean water in the heat exchanger 5 can be heated by gas combustion, the heated clean water is discharged from the hot water output pipe 10 and can be used by people, by starting the smoke exhaust fan 7, smoke generated in the combustion process sequentially passes through the smoke collecting hood 6, the smoke absorbing pipe 8, the smoke exhaust fan 7 and the smoke conveying pipe 9, so that the smoke flows into the dust removing box 19, large particle dust impurities in the smoke can be intercepted and filtered by the filter screen 20, the large particle dust impurities are left above the filter screen 20, fine particles, peculiar smell and other impurities in the smoke can be adsorbed and purified by the active carbon filler plate 21, the purified smoke sequentially passes through the smoke outlet pipe 22 and the U-shaped coil pipe 13 and is finally discharged to the outside from the smoke exhaust pipe 14, and when the smoke flows in the U-shaped coil pipe 13, the heat in the flue gas can be transferred to the clean water in the expansion water tank 12, the clean water can be preheated, the waste heat in the flue gas can be recycled, the waste of heat energy is avoided, the preheated clean water is discharged into the heat exchanger 5 for heating under the conveying of the water pump 15, the efficiency of heating the clean water can be improved, the heat utilization rate is improved, the use amount of fuel gas is reduced, the energy-saving effect is achieved, the purified flue gas is discharged to the outside, the pollution and the damage to the environment are reduced, the environment-friendly effect is achieved, when the interior of the heat exchanger 5 needs to be descaled, the blowdown end cover 42 is firstly unscrewed from the blowdown pipe 41, the clean water remained in the heat exchanger 5 is discharged, the motor 29 drives the rotating shaft 30, the cam 31 and the pinion 32 to rotate, the pinion 32 drives the gear wheel 28 and the hollow shaft 23 to rotate, and the motor 29 starts to work, The two vertical rods 24, the two scrapers 25 and the spray head 26 rotate, the cam 31 drives the push plate 36, the push rod 35 and the piston 34 to move downwards in the rotating process, the spring 37 generates elastic force by compression deformation, under the continuous rotating action of the cam 31 and the elastic force generated by the spring 37, the piston 34 reciprocates up and down in the liquid pumping cylinder 33, under the one-way flowing action of descaling liquid controlled by the first one-way valve and the second one-way valve, the descaling liquid in the liquid storage tank 40 is sucked into the liquid pumping cylinder 33 through the liquid suction pipe 39 and then sequentially passes through the liquid discharge pipe 38 and the hollow shaft 23 to be finally sprayed out from the spray head 26, the descaling liquid can be uniformly sprayed on the inner wall of the heat exchanger 5 by utilizing the centrifugal force generated in the rotating process of the spray head 26, scale on the inner wall of the heat exchanger 5 can be scraped by the rotation of the two scrapers 25, and the dirt liquid is discharged from the sewage discharge pipe 41, thereby can carry out effectual clean scale removal to heat exchanger 5's inner wall, avoid long-term adhesion incrustation scale on heat exchanger 5's the inner wall and influence heat exchange efficiency, can accelerate heat exchange efficiency, can effectual improvement heat utilization efficiency, after accomplishing heat exchanger 5 inside scale removal, stop motor 29 work, screw back blowdown end cover 42 on blow off pipe 41, can continue to use gas hanging stove body 1, thereby be convenient for effectively descaling heat exchanger 5 inside, time saving and labor saving, work efficiency is improved, guarantee the operation of gas hanging stove body 1 is good, the content of not making detailed description in this description all belongs to the prior art that technical personnel are publicly known in the field simultaneously.

To sum up, this gas hanging stove reasonable in design, the practicality is good, can utilize the waste heat in the flue gas to preheat the clear water in expansion tank 12, can retrieve the waste heat in the flue gas and recycle, improve the efficiency of heating the clear water, the use amount of gas has been reduced, energy-conserving effect has, be convenient for moreover to heat exchanger 5 inside clean scale removal, the simple operation, avoid long-term adhesion incrustation scale on heat exchanger 5's the inner wall and influence heat exchange efficiency, can accelerate heat exchange efficiency, thereby can effectual improvement heat utilization ratio.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improve gas hanging stove of heat utilization efficiency, includes gas hanging stove body (1), set up combustion chamber (2) and installation cavity (3), its characterized in that in gas hanging stove body (1): fixed mounting has combustor (4) on the bottom inner wall of combustion chamber (2), fixed mounting has heat exchanger (5) and collection petticoat pipe (6) in combustion chamber (2), collection petticoat pipe (6) are located the top of heat exchanger (5), fixed mounting has smoke exhaust fan (7) on the top inner wall of combustion chamber (2), the suction end fixed mounting of smoke exhaust fan (7) has smoke absorption pipe (8), smoke absorption pipe (8) are kept away from the one end of smoke exhaust fan (7) with collection petticoat pipe (6) fixed connection, the exhaust end fixed mounting of smoke exhaust fan (7) has flue gas conveyer pipe (9), the bottom fixed mounting of heat exchanger (5) has hot water output tube (10), the bottom fixed mounting of combustor (4) has gas pipe (11), the bottom of hot water output tube (10) with the bottom of gas pipe (11) all extends to outside gas hanging stove body (1), the utility model discloses a gas hanging stove, including installation cavity (3), fixed mounting has expansion tank (12) in expansion tank (12), fixed mounting has U type coil pipe (13) in expansion tank (12), the one end fixedly connected with of U type coil pipe (13) discharges fume tub (14), the bottom of discharging fume tub (14) extends to outside gas hanging stove body (1), the top fixed mounting of expansion tank (12) has water pump (15), the suction end fixed mounting of water pump (15) has the pipe (16) that absorbs water, the pipe (16) that absorbs water keep away from the one end of water pump (15) extends to in expansion tank (12), the discharge end fixed mounting of water pump (15) has outlet pipe (17), outlet pipe (17) are kept away from the one end of water pump (15) extends to in heat exchanger (5), one side fixed mounting of expansion tank (12) has water feed pipe (18), keep away from feed pipe (18) the one end of expansion tank (12) extends to outside gas hanging stove body (1), the right side of gas hanging stove body (1) is provided with dust removal mechanism, be provided with wiper mechanism in burning chamber (2).

2. The gas wall-hanging stove for improving heat utilization rate according to claim 1, characterized in that: dust removal mechanism includes dust removal case (19), filter screen (20) and active carbon filler plate (21), dust removal case (19) fixed mounting be in on the right side wall of gas hanging stove body (1), filter screen (20) with the equal fixed mounting of active carbon filler plate (21) is in dust removal case (19), filter screen (20) are located the top of active carbon filler plate (21), flue gas conveyer pipe (9) are kept away from the one end of smoke exhaust fan (7) extends to in dust removal case (19), the bottom fixed mounting of dust removal case (19) has smoke outlet pipe (22), smoke outlet pipe (22) keep away from the one end of dust removal case (19) and extend to in expansion tank (12) and keep away from the one end fixed connection of discharging fume pipe (14) with U type coil pipe (13).

3. The gas wall-hanging stove for improving heat utilization rate according to claim 2, characterized in that: keep away from dust removal case (19) seted up the clearance mouth on the one side inner wall of gas hanging stove body (1), dust removal case (19) are kept away from there is clearance door (44) one side of gas hanging stove body (1) through screw fixed mounting, clearance door (44) with clearance mouth looks adaptation.

4. The gas wall-hanging stove for improving heat utilization rate according to claim 1, characterized in that: the cleaning mechanism comprises a hollow shaft (23), two vertical rods (24), two scraping plates (25), a spray head (26), a heat insulation cover (27), a large gear (28), a motor (29), a rotating shaft (30), a cam (31), a pinion (32), a liquid pumping cylinder (33), a piston (34), a push rod (35), a push plate (36), a spring (37), a liquid discharge pipe (38), a liquid suction pipe (39), a sewage discharge pipe (41) and a sewage discharge end cover (42), wherein the hollow shaft (23) is arranged in the heat exchanger (5), the two vertical rods (24) are respectively and fixedly arranged at the top and the bottom of the hollow shaft (23), the two scraping plates (25) are respectively and fixedly arranged at one end corresponding to the vertical rods (24), the two scraping plates (25) are both in sliding contact with the inner wall of the heat exchanger (5), and the spray head (26) is fixedly arranged at one end of the hollow, the both sides of heat exchanger (27) are the opening structure, the one side of heat exchanger (27) with the one side fixed connection of heat exchanger (5), the opposite side of heat exchanger (27) with the inner wall fixed connection of gas hanging stove body (1), the mounting hole has been seted up to one side of heat exchanger (5), the mounting hole with heat exchanger (27) is inside to be linked together, hollow shaft (23) are kept away from the one end of shower nozzle (26) is run through the mounting hole, gear wheel (28) are located in heat exchanger (27) and fixed cover establish on hollow shaft (23), motor (29) are located in heat exchanger (27) and fixed mounting be in on the inner wall of gas hanging stove body (1), the one end of pivot (30) with the output shaft fixed connection of motor (29), cam (31) with the equal fixed cover of pinion (32) is established on pivot (30), the pinion gear (32) is meshed with the gearwheel (28).

5. The gas wall-hanging stove for improving heat utilization rate of claim 4, characterized in that: the liquid extracting cylinder (33) is fixedly installed on the inner wall of the bottom of the heat insulating cover (27), the top of the liquid extracting cylinder (33) is of an opening structure, the piston (34) is installed in the liquid extracting cylinder (33) in a sliding mode, the push rod (35) is fixedly installed at the top of the piston (34), the top end of the push rod (35) extends out of the liquid extracting cylinder (33), the push plate (36) is fixedly installed at the top end of the push rod (35), the spring (37) is sleeved on the push rod (35), the top end of the spring (37) is fixedly connected with the bottom of the push plate (36), the bottom end of the spring (37) is fixedly connected with the top of the liquid extracting cylinder (33), the liquid discharging pipe (38) and the liquid discharging pipe (39) are respectively and fixedly installed on two sides of the liquid extracting cylinder (33), and one end, far away from the liquid extracting cylinder (33), of the liquid discharging pipe (38) extends into the hollow shaft (23), the gas wall-mounted boiler is characterized in that the drain pipe (41) is fixedly arranged on one side of the heat exchanger (5), one end, far away from the heat exchanger (5), of the drain pipe (41) extends to the outside of the gas wall-mounted boiler body (1), and the drain end cover (42) is arranged at one end of the drain pipe (41) in a threaded mode.

6. The gas wall-hanging stove for improving heat utilization rate of claim 4, characterized in that: the right side fixed mounting of gas hanging stove body (1) has liquid reserve tank (40), pipette (39) are kept away from the one end of drawing liquid section of thick bamboo (33) extends to in the liquid reserve tank (40), the liquid feeding hole has been seted up at the top of liquid reserve tank (40), the downthehole movable mounting of liquid feeding has the cock.

7. The gas wall-hanging stove for improving heat utilization rate of claim 4, characterized in that: the liquid discharge pipe (38) is fixedly provided with a first one-way valve, the liquid suction pipe (39) is fixedly provided with a second one-way valve, the inner wall of the hollow shaft (23) is fixedly provided with a sealing ring, and the liquid discharge pipe (38) is in rotary sealing contact with the inner wall of the hollow shaft (23) through the sealing ring.

8. The gas wall-hanging stove for improving heat utilization rate according to claim 1, characterized in that: the gas hanging stove is characterized in that a control panel (43) is fixedly mounted on the outer wall of the front side of the gas hanging stove body (1).