CN213713106U - Give exhaust smoke pipe and hanging stove - Google Patents

Abstract

The utility model discloses a give exhaust tobacco pipe and hanging stove, this give exhaust tobacco pipe includes intake pipe and smoke exhaust pipe group, smoke exhaust pipe group sets up in the intake pipe, be formed with inlet channel between the inner wall of intake pipe and the outer wall of smoke exhaust pipe group, smoke exhaust pipe group includes many smoke exhaust pipes, form smoke exhaust channel in each smoke exhaust pipe, be formed with the crack between the adjacent smoke exhaust pipe, the air in the inlet channel is preheated to the flue gas in each smoke exhaust channel, fresh air gets into inlet channel, surround and pass the crack between the adjacent smoke exhaust pipe in the smoke exhaust pipe group, make fresh air fully contact with each smoke exhaust pipe outer wall, the high temperature flue gas that each smoke exhaust pipe in the smoke exhaust pipe group contains a large amount of heat transmits the heat to fresh air, heat fresh air, promote fresh air temperature, and reduce flue gas temperature, further improve the thermal efficiency, and by the fresh air after the high temperature flue gas heating, the ignition and combustion process of the mixed gas of the fuel gas and the air can be improved, and the combustion efficiency is improved.

Description

Give exhaust smoke pipe and hanging stove

Technical Field

The utility model relates to a hanging stove technical field, in particular to give exhaust tobacco pipe and hanging stove.

Background

The existing gas heating water heater (wall-hanging stove for short) basically adopts a full-sealed forced-exhaust coaxial balanced smoke tube. Under the drive of the equipment fan, the flue gas generated after combustion is discharged outdoors, and outdoor air is sucked into the equipment to participate in combustion. The traditional forced-ventilated coaxial balanced smoke tube adopts a stainless steel smooth-faced circular tube, and has no design of a forced heat exchange structure, high-temperature smoke is discharged outdoors from an inner tube of the smoke tube, and air enters equipment from a channel formed by the outer wall of the inner tube and the inner wall of an outer tube. High temperature flue gas still contains great heat, and this high temperature flue gas heat of recovery that traditional tobacco pipe can not be fine directly discharges outdoors, leads to the waste heat of high temperature flue gas extravagant, simultaneously, when low temperature air and gas mix entering burning, combustion efficiency is low, appears burning unstability easily, the poor scheduling problem of fume emission.

In order to solve the problem of direct waste of the waste heat of the high-temperature flue gas, the traditional flue pipe structure at present is improved, more waste heat of the high-temperature flue gas is recycled as far as possible, and the heat exchange efficiency is improved. In the chinese patent with application number 2018219428132, what adopted is the pipe of discharging fume that has radiating fin, utilize the fin to increase the heat transfer, and adopt baffling board structure extension heat transfer distance, the heat transfer cross section of fin is relative with the air flow direction, and baffling board structure can directly influence the velocity of flow and the flow direction of air and appear the sudden change phenomenon, great increase the resistance of circulation of air, and it is great to discharge fume the pipe diameter, the temperature gradient phenomenon, the unable fine transmission of high temperature flue gas mid portion waste heat is with the air heat transfer on the radiating fin, so heat exchange efficiency is not obvious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide one kind for exhaust smoke pipe, can preheat the air, retrieve high temperature flue gas heat, realize the improve equipment thermal efficiency to can play stably, high-efficient, low emission ground and burn.

The utility model discloses still disclose a contain this hanging stove of giving exhaust tobacco pipe.

According to the utility model discloses an embodiment of first aspect provides a give exhaust smoke pipe, include: the smoke exhaust pipe set is arranged in the air inlet pipe, an air inlet channel is formed between the inner wall of the air inlet pipe and the outer wall of the smoke exhaust pipe set, the smoke exhaust pipe set comprises a plurality of smoke exhaust pipes, smoke exhaust channels are formed in the smoke exhaust pipes, a gap is formed between every two adjacent smoke exhaust pipes, and air in the air inlet channel is preheated by smoke in each smoke exhaust channel.

Has the advantages that: the smoke supply and exhaust pipe comprises an air inlet pipe and a smoke exhaust pipe group, wherein the smoke exhaust pipe group is arranged in the air inlet pipe, an air inlet channel is formed between the inner wall of the air inlet pipe and the outer wall of the smoke exhaust pipe group, the smoke exhaust pipe group comprises a plurality of smoke exhaust pipes, a smoke exhaust channel is formed in each smoke exhaust pipe, a crack is formed between every two adjacent smoke exhaust pipes, smoke in each smoke exhaust channel preheats air in the air inlet channel, fresh air enters the air inlet channel and surrounds and penetrates through the crack between the adjacent smoke exhaust pipes in the smoke exhaust pipe group, so that the fresh air can be fully contacted with the outer wall of each smoke exhaust pipe, high-temperature smoke containing a large amount of heat in each smoke exhaust pipe in the smoke exhaust pipe group transfers the heat to the fresh air, the fresh air is heated, the temperature of the fresh air is increased, the temperature of the smoke is reduced, the thermal efficiency is further improved, has the functions of stabilizing combustion and strengthening combustion, and improves the combustion efficiency.

According to the utility model discloses give exhaust tobacco pipe, give exhaust tobacco pipe still include air guide plate, air guide plate sets up in the inlet channel, air guide plate follows the axial spiral setting of the periphery wall of the group of pipes of discharging fume.

According to the utility model discloses give exhaust smoke pipe, smoke exhaust pipe group still include two end covers, two the interval is provided with a plurality of through-holes on the end cover, the port at smoke exhaust pipe both ends with the through-hole is sealed fixed.

According to the utility model discloses give exhaust tobacco pipe of first aspect embodiment, the through-hole is arranged according to the circumference mode and is set up on the end cover.

According to the utility model discloses a give exhaust tobacco pipe, intake pipe first end does inlet channel's air outlet, be provided with on the lateral wall of intake pipe second end the air intake of intake pipe.

According to the utility model discloses give exhaust smoke pipe, smoke exhaust pipe organizes first end for advancing the mouth, smoke exhaust pipe organizes second end for going out the mouth, smoke exhaust pipe organizes second end runs through the second end of intake pipe.

According to the utility model discloses give exhaust smoke pipe, give exhaust smoke pipe still include first elbow and second elbow, first elbow sealing connection be in the first end of intake pipe, second elbow sealing connection be in the first end of group of pipes of discharging fume.

According to the utility model discloses give exhaust smoke pipe, give exhaust smoke pipe still include the joint, the joint sets up the second of group of pipes of discharging fume is served.

According to the utility model discloses give exhaust smoke pipe of first aspect embodiment, the pipe of discharging fume is the bellows.

According to the utility model discloses a second aspect embodiment provides a hanging stove, including the first aspect embodiment give exhaust tobacco pipe, this hanging stove, the flue gas entering after the burning of unit is given exhaust tobacco pipe exhaust in, outside air gets into the unit from inlet channel in, and fresh air is heated by the high temperature flue gas, can reduce the heat loss, reduces exhaust gas temperature, the increasing heat efficiency.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of a smoke supply and exhaust pipe according to an embodiment of the present invention;

FIG. 2 is a schematic view of a smoke evacuation channel assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of an elbow assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a straight pipe assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a joint according to an embodiment of the present invention;

fig. 6 is a schematic view of a smoke exhaust pipe set according to an embodiment of the present invention;

fig. 7 is a schematic view of an end cap according to an embodiment of the present invention;

fig. 8 is a schematic view of an air deflector according to an embodiment of the present invention;

fig. 9 is a schematic view of a wall-hanging stove according to an embodiment of the present invention.

Wherein:

a feeding and exhausting smoke pipe 1;

the air inlet pipe 10, the smoke exhaust pipe group 20, the air guide plate 30, the first elbow 40, the second elbow 50 and the joint 60;

an intake passage 11;

a smoke exhaust pipe 21 and an end cover 22.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 4, the smoke supply and exhaust pipe 1 includes an air inlet pipe 10 and a smoke exhaust pipe group 20, the air inlet pipe 10 and the smoke exhaust pipe group 20 form a straight pipe assembly, the smoke exhaust pipe group 20 is arranged in the air inlet pipe 10, an air inlet channel 11 is formed between the inner wall of the air inlet pipe 10 and the outer wall of the smoke exhaust pipe group 20, the smoke exhaust pipe group 20 includes a plurality of smoke exhaust pipes 21, a smoke exhaust channel is formed in each smoke exhaust pipe 21, a crack is formed between the adjacent smoke exhaust pipes 21, smoke in each smoke exhaust channel is used for preheating air in the air inlet channel 11, so that the air temperature is increased, and the smoke temperature is reduced, so that the heat efficiency is further improved, and the ignition and combustion process of mixed gas of gas and air can be improved, the stable combustion and the intensified combustion.

Referring to fig. 6 and 7, the smoke exhaust pipe group 20 includes a plurality of smoke exhaust pipes 21 and two end covers 22, a plurality of through holes 221 are formed on the end covers 22 at intervals, and ports at two ends of the smoke exhaust pipes 21 are welded and fixed to the through holes 221. The through holes 221 are arranged on the end covers 22 in a circumferential mode, the arrangement mode of the smoke exhaust pipe 21 is consistent with that of the through holes 221, the ports at two ends of the smoke exhaust pipe are sealed and welded with the through holes 221 of the end covers 22, the smoke exhaust pipe 21 and the two end covers 22 are finally assembled to form a smoke exhaust pipe group 20, and the end covers 22 extend out of the air inlet pipe 10. The end covers 22 mainly play a role in fixing two ends of the smoke exhaust pipes 21, and the smoke exhaust pipes 21 are conveniently arranged through the through holes 22 arranged on the end covers 22 in a required arrangement mode.

Wherein, the first end of intake pipe 10 is the air outlet of air inlet channel 11, is provided with the air intake of intake pipe 10 on the lateral wall of intake pipe 10 second end. The first end of the smoke exhaust pipe set 20 is a smoke inlet, the second end of the smoke exhaust pipe set 20 is a smoke outlet, and the second end of the smoke exhaust pipe set 20 penetrates through the second end of the air inlet pipe 10. Air gets into inlet channel 11 from the air intake that sets up on the second end lateral wall of intake pipe 10, then goes out from the air outlet of the first end of intake pipe 10, and the flue gas enters from the first end of the group of pipes that discharge fume 20 advances the mouth and gets into, goes out from the outlet flue of the second end of the group of pipes that discharge fume 20, and the flue gas of the pipe 21 of discharging fume and inlet channel 11 air circulate in opposite directions, realize the heat transfer.

Referring to fig. 1 and 3, the smoke supply and exhaust pipe 1 includes an air inlet pipe 10, a smoke exhaust pipe set 20, a first elbow 40, a second elbow 50, and a joint 60, wherein the first elbow 40 is hermetically connected to a first end of the air inlet pipe 10, the second elbow 50 is hermetically connected to a first end of the smoke exhaust pipe set 20, and the joint 60 is disposed on a second end of the smoke exhaust pipe set 20. The first elbow 40 is an air inlet pipe elbow, the second elbow 50 is a smoke exhaust pipe elbow, and the first elbow 40 and the second elbow 50 are coaxially arranged in the middle to form an elbow assembly. The interior of the second bend 50 forms a smoke evacuation passageway and an air passageway is formed between the inner wall of the first bend 40 and the outer wall of the second bend 50.

Referring to fig. 5, the joint 60 includes two portions, an outer pipe and an inner pipe, which are fixedly connected. The outer tube is sealingly fixed to the outer or inner diameter of the inlet tube 10 and the inner tube is sealingly fixed to the end cap 22 of the stack 20. The outer pipe and the inner pipe are connected through a connecting plate, an air inlet is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, and the air inlet can also be directly formed in the outer pipe. The fitting 60 primarily functions to extend the stack 20.

Referring to fig. 4, in some embodiments, the smoke supplying and discharging pipe 1 includes an air inlet pipe 10, a smoke discharging pipe group 20 and an air guide plate 30, the smoke discharging pipe group 20 is disposed in the air inlet pipe 10, an air inlet channel 11 is formed between an inner wall of the air inlet pipe 10 and an outer wall of the smoke discharging pipe group 20, the smoke discharging pipe group 20 includes a plurality of smoke discharging pipes 21, a smoke discharging channel is formed in each smoke discharging pipe 21, a gap is formed between adjacent smoke discharging pipes 21, the air guide plate 30 is disposed in the air inlet channel 11, and the air guide plate 30 is spirally disposed along an axial direction of an outer peripheral wall of. The air deflector 30 directs air in the air intake channel 11 so that the air enters in a spiral manner, extending the air path and keeping the air flow velocity coherent.

Referring to fig. 2, the second elbow 50, the stack of smoke evacuation tubes 20, the fitting 60, and the smoke evacuation seal are assembled into a smoke evacuation passageway assembly. Wherein, two smoke evacuation sealing rings are respectively installed at the sealing grooves at the inlet and outlet of the second elbow 50. The outlet of the second elbow 50 is connected to one end of the stack 20 and sealed with a smoke exhaust gasket, and the other end of the stack 20 is connected to the first end of the smoke exhaust channel of the fitting 60.

Referring to fig. 8, specifically, the air deflector 30 is a spiral structure, the smoke exhaust tube group 20 is inserted into the middle axis of the spiral structure of the air deflector 30, then the whole structure formed by the smoke exhaust tube group 20 and the air deflector 30 is inserted into the axis of the air inlet tube 10 together to be placed in the middle, so as to form an assembly of the air inlet tube 10, the air deflector 30 and the smoke exhaust tube group 20 respectively in the outer and middle parts, an air inlet channel 11 is formed between the outer wall of the smoke exhaust tube group 20 and the inner wall of the air inlet tube 10, and the fresh air is made to circulate according to the spiral direction of the air.

Referring to fig. 1, the first elbow 40, the inlet gasket, the inlet pipe 10, the air deflector 30, and the joint 60 are assembled into an inlet pipe assembly. Wherein, the seal groove department at the exit of first elbow 40 is installed to the sealing washer that admits air, connects 60 first end and meets with one of them one end of intake pipe 10, and inside air guide plate 30 inserted intake pipe 10, the nickel coin of intake pipe 10 is hugged closely to the cylindrical outline that air guide plate 30's helical structure formed, forms coaxial line and places centrally, assembles inside intake pipe 10, and the intake pipe 10 other end meets with the one end of first elbow 40 area seal groove, utilizes the sealing washer that admits air to seal.

In the chinese patent No. 2018219428132, a baffle structure is used, but the baffle structure causes abrupt changes in flow velocity and direction. In this embodiment, the exhaust gas supplying pipe 1 adopts the guiding function of the air guide plate 30 structure, so that the fresh air enters in a spiral manner, the path of the fresh air can be prolonged, the air flow rate can be continuous, the flow rate and the flow direction mutation phenomenon in the prior art are avoided, and the delay resistance of the air guide plate 30 is smaller. Of course, it can be understood that according to the actual power and the actual resistance in use, the extended distance can be increased or decreased by only replacing the air deflectors 30 with different spiral turns, so as to achieve the best effect, the replacement is simple, and the applicability is better.

In some embodiments, the smoke supplying and discharging pipe 1 includes an air inlet pipe 10, a smoke discharging pipe assembly 20 and an air guide plate 30, the smoke discharging pipe assembly 20 is disposed in the air inlet pipe 10, an air inlet channel 11 is formed between an inner wall of the air inlet pipe 10 and an outer wall of the smoke discharging pipe assembly 20, the smoke discharging pipe assembly 20 includes a plurality of corrugated pipes, a smoke discharging channel is formed in each corrugated pipe, a gap is formed between adjacent corrugated pipes 21, the air guide plate 30 is disposed in the air inlet channel 11, and the air guide plate 30 is spirally disposed along an axial direction of an outer peripheral wall of the smoke discharging pipe assembly. The air supply and exhaust smoke pipe 1 is provided with a plurality of corrugated pipes, high-temperature smoke is shunted, the structural characteristics of the corrugated pipes are utilized, the air path is prolonged, the heat exchange effect of the high-temperature smoke and air is enhanced, the air temperature is increased, the smoke temperature is reduced, the thermal efficiency of equipment is improved, and high-temperature air for strengthening and improving combustion is provided for the equipment.

Fresh air belongs to outdoor environment low temperature air, and after fresh air got into inlet channel 11, through the guide effect of air guide plate 30, fresh low temperature air flowed along axial helical direction, surrounded and passed the crack between the adjacent bellows in the group 20 of discharging fume, made fresh air can fully contact with the bellows outer wall, the inside high temperature flue gas that contains a large amount of heats of bellows transmitted the heat for fresh air, heated fresh air, promoted fresh air temperature to reduce the flue gas temperature, further improved the thermal efficiency. And the fresh air after being heated by the high-temperature flue gas can improve the ignition and combustion process of the mixed gas of the fuel gas and the air, has the effects of stabilizing combustion and strengthening combustion, and improves the combustion efficiency.

Referring to fig. 6, the smoke exhaust pipe set 20 includes a plurality of bellows and two end caps 22, a plurality of through holes 221 are formed at intervals on the two end caps 22, and ports at two ends of the bellows are hermetically fixed with the through holes 221. The through holes 221 are arranged on the end cover 22 in a circumferential manner, and the corrugated pipes are arranged in a circumferential manner. The corrugated pipe material is made of stainless steel material. Of course, the corrugated pipes may be arranged in a rectangular shape, and other arrangement modes and sizes of the corrugated pipes fall into the protection scope. The corrugated pipe material can also be other materials with high temperature resistance and good heat-conducting property.

The prior art adopts the pipe of discharging fume with radiating fin, because of radiating fin's heat-transfer surface is relative with the direction that the air got into, increase air flow resistance to a certain extent, and discharge fume the pipe diameter is also great, form the temperature gradient phenomenon easily, though the heat that is close to the pipe wall is lower by the absorbed temperature, but inside high temperature flue gas temperature is difficult to be absorbed by the heat transfer, the temperature is higher, the heat transfer to intraductal high temperature flue gas is not abundant, and in this embodiment, use the bellows to distribute according to the circumference through the ripples, divide into a plurality of with the high temperature flue gas, the pipe diameter is less, and simultaneously, the inherent structural feature of the ripple outer wall of bellows, there is the vortex effect to the high temperature flue gas, have the intensive heat transfer effect, no temperature gradient.

Referring to fig. 9, a wall-hanging stove includes the exhaust gas feeding smoke pipe of the embodiment of the first aspect. Driven by a fan of the wall-hanging stove, air enters the air inlet channel 11 from the air inlet of the joint 60, flows along the axial spiral direction of the air guide plate 30, surrounds and passes through the gaps among the plurality of smoke exhaust pipes 21 in the smoke exhaust pipe group 20, enters the air channel formed by the first elbow 40 and the second elbow 50, and then enters the wall-hanging stove to participate in combustion. The burned flue gas enters the smoke exhaust channel inside the second elbow 50 from the smoke exhaust port of the wall-hanging stove, flows through the smoke exhaust pipe 21 of the smoke exhaust pipe group 20 for shunting and passing, and is then discharged from the second end of the smoke exhaust port of the joint 60.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A smoke supply and exhaust tube, comprising:

the device comprises an air inlet pipe (10) and a smoke exhaust pipe group (20), wherein the smoke exhaust pipe group (20) is arranged in the air inlet pipe (10), and an air inlet channel (11) is formed between the inner wall of the air inlet pipe (10) and the outer wall of the smoke exhaust pipe group (20);

the smoke exhaust pipe group (20) comprises a plurality of smoke exhaust pipes (21), smoke exhaust channels are formed in the smoke exhaust pipes (21), a gap is formed between every two adjacent smoke exhaust pipes (21), and smoke in each smoke exhaust channel is used for preheating air in the air inlet channel (11).

2. The smoke supply and exhaust pipe of claim 1 wherein: give the exhaust smoke pipe still include air guide plate (30), air guide plate (30) set up in inlet channel (11), air guide plate (30) are along the axial spiral setting of the periphery wall of exhaust stack (20).

3. The smoke supply and exhaust pipe of claim 2 wherein: the smoke exhaust pipe group (20) further comprises two end covers (22), a plurality of through holes (221) are formed in the end covers (22) at intervals, and ports at two ends of the smoke exhaust pipe (21) are fixed to the through holes (221) in a sealing mode.

4. The smoke supply and exhaust pipe of claim 3 wherein: the through holes (221) are arranged on the end cover (22) in a circumferential mode.

5. The smoke supply and exhaust pipe of claim 4 wherein: the first end of the air inlet pipe (10) is an air outlet of the air inlet channel (11), and an air inlet of the air inlet pipe (10) is formed in the side wall of the second end of the air inlet pipe (10).

6. The smoke supply and exhaust pipe of claim 5 wherein: the first end of the smoke exhaust pipe set (20) is a smoke inlet, the second end of the smoke exhaust pipe set (20) is a smoke outlet, and the second end of the smoke exhaust pipe set (20) penetrates through the second end of the air inlet pipe (10).

7. The smoke supply and exhaust pipe of claim 6 wherein: the gas feeding and discharging smoke pipe further comprises a first elbow (40) and a second elbow (50), the first elbow (40) is connected to the first end of the gas inlet pipe (10) in a sealing mode, and the second elbow (50) is connected to the first end of the smoke discharging pipe group (20) in a sealing mode.

8. The smoke supply and exhaust pipe of claim 7 wherein: the fume feeding and exhausting pipe further comprises a connector (60), and the connector (60) is arranged at the second end of the fume exhausting pipe group (20).

9. The smoke supply and exhaust pipe of claim 1 wherein: the smoke exhaust pipe (21) is a corrugated pipe.

10. A fireplace, characterized by comprising the exhaust fume feeding duct as claimed in any one of claims 1 to 9.

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