CN208887118U - A kind of fully pre-mixing gas combustion condensing boiler - Google Patents
A kind of fully pre-mixing gas combustion condensing boiler Download PDFInfo
- Publication number
- CN208887118U CN208887118U CN201820957916.XU CN201820957916U CN208887118U CN 208887118 U CN208887118 U CN 208887118U CN 201820957916 U CN201820957916 U CN 201820957916U CN 208887118 U CN208887118 U CN 208887118U
- Authority
- CN
- China
- Prior art keywords
- heat
- baffle
- exchanger rig
- burner
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of fully pre-mixing gas combustion condensing boilers, including shell, burner and heat-exchanger rig, burner is located at the top of heat-exchanger rig and is fixedly connected with heat-exchanger rig, shell is located at the outside of burner and heat-exchanger rig, and the heat exchanger tube in heat-exchanger rig is the Flat steel pipe that two relative side is parallel, another two relative side is semicircle cambered surface；Baffle one and baffle two are provided in the water cavity of heat-exchanger rig, baffle one is the cirque structure that edge is fixedly connected with water cavity wall；Baffle two is the disc structure that edge is evenly provided with engaging lug, the gap that recirculated water can be made to circulate is formed between the edge and water cavity wall of the support lower baffle plate two of engaging lug, the through-hole that heat exchanger tube can be made to pass through is evenly provided on the surface of baffle two, through-hole and heat exchanger tube correspond.The fully pre-mixing gas combustion condensing boiler of the utility model using the above structure, is able to solve the problem of small gas condensing boiler heat transfer effect is poor, circulating water temperature is unevenly distributed.
Description
Technical field
The utility model relates to condensing boiler technical fields, more particularly, to a kind of fully pre-mixing gas combustion condensing boiler.
Background technique
Small gas condensing boiler currently on the market, flue gas heat exchange element mostly use threaded flue, threaded flue due to
Tail end velocity of flue gas reduces and temperature and pressure reduce, and heat transfer intensity can be decreased obviously, for improve heat transfer effect must increase velocity of flue gas or
Extend smoke pipe length to solve, but is bound to cause flue gas resistance in this way and increases and the increase of furnace body length.For equal length
For threaded flue, heat transfer effect is poor, and flue gas discharge temperature reaches 120 DEG C or more, and heat exchange efficiency is low, the operation of user at
This increase.In addition, present small gas condensing boiler, the dynamic flow that the recirculated water in water cavity relies on water pump to provide, circulation
Water steady flow in water cavity, leading to recirculated water, temperature distribution is non-uniform, and is easy to generate scale on heat exchanger tube.
Utility model content
The purpose of the utility model is to provide a kind of fully pre-mixing gas combustion condensing boilers, solve the heat exchange of small gas condensing boiler
The problem of effect is poor, circulating water temperature is unevenly distributed.
To achieve the above object, the utility model provides a kind of fully pre-mixing gas combustion condensing boiler, including shell, burner
And heat-exchanger rig, the bottom of shell are provided with pedestal, heat-exchanger rig is fixed on the base, and burner is located at the top of heat-exchanger rig
And be fixedly connected with heat-exchanger rig, shell is located at the outside of burner and heat-exchanger rig, the heat exchanger tube in the heat-exchanger rig
For the Flat steel pipe that two relative side is parallel, another two relative side is semicircle cambered surface；Baffle one is provided in the water cavity of heat-exchanger rig
With baffle two, the baffle two is located between two baffles one, and the baffle one is what edge was fixedly connected with water cavity wall
Cirque structure is provided with the cavity that heat exchanger tube can be made to pass through and recirculated water is made to circulate among the baffle one；The baffle two
The disc structure of engaging lug is evenly provided with for edge, the baffle two is fixedly connected by engaging lug with water cavity wall,
The gap that recirculated water can be made to circulate, the baffle two are formed between the edge and water cavity wall of the support lower baffle plate two of the engaging lug
Surface on be evenly provided with the through-hole that the heat exchanger tube can be made to pass through, the through-hole and the heat exchanger tube correspond.
Preferably, the baffle one and the baffle two are uniformly distributed in the water cavity.
Preferably, the heat-exchanger rig further includes liner and outer gallbladder, and the liner is sealedly and fixedly connected with outer gallbladder, described outer
The lower part of gallbladder is provided with partition, and the partition, liner and outer gallbladder surround the water cavity, and the top of the outer gallbladder is provided with water outlet
Mouthful, the lower part of the outer gallbladder is provided with water return outlet, and the water outlet and the water return outlet are connected with the water cavity；Burner with
Liner is fixedly connected by flange, and liner is concave structure, and combustion chamber is surrounded between burner and liner；The outer gallbladder is fixed on
On the pedestal, lower smoke box is surrounded between the outer gallbladder, pedestal and partition, is provided with outlet flue and draining on the lower smoke box
Mouthful；The heat exchanger tube, the heat exchanger tube and the combustion chamber and the lower smoke box are provided between the liner and the partition
It is connected.
Preferably, the heat exchanger tube is provided with several, is arranged in parallel between several heat exchanger tubes.
Preferably, the burner is all-premixing burner.
A kind of fully pre-mixing gas combustion condensing boiler described in the utility model, heat exchanger tube using two relative side it is parallel, another two
Opposite flank is the Flat steel pipe of semicircle cambered surface, i.e. the cross-sectional shape of heat exchanger tube is similar to run-track shaped on playground.Flat steel pipe
Heat exchanger tube be easier to arrange in water cavity, can arrange more Flat steel pipes in the case where same cross-sectional area, that is, have more
More heat exchange areas can promote the heat transfer intensity of smoke pipe when not increasing velocity of flue gas and smoke pipe length.In addition, band steel
The equivalent diameter of pipe is smaller, it is easy to so that flue gas is reached turbulent condition in pipe, increase convection transfer rate, improve and change
The heat transfer effect of thermal entirety.Be provided with baffle one and baffle two in water cavity, baffle one is cirque structure, heat exchanger tube from
It is passed through in cavity among baffle one, and recirculated water is also flowed through from cavity；The edge of baffle two is provided with the outer gallbladder of connection
Engaging lug, recirculated water are flowed through from the gap location between the edge and outer gallbladder of baffle two.When recirculated water circulates in water cavity, recirculated water
Circulation path constantly changing, be conducive to increase recirculated water turbulence level, keep the water temperature of recirculated water more uniform.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fully pre-mixing gas combustion condensing boiler embodiment of the utility model；
Fig. 2 is a kind of heat transfer tube structure diagram of fully pre-mixing gas combustion condensing boiler embodiment of the utility model；
Fig. 3 is a kind of one structural schematic diagram of baffle of fully pre-mixing gas combustion condensing boiler embodiment of the utility model；
Fig. 4 is a kind of two structural schematic diagram of baffle of fully pre-mixing gas combustion condensing boiler embodiment of the utility model；
Appended drawing reference
1, shell；2, water outlet；3, liner；4, outer gallbladder；5, heat exchanger tube；6, water return outlet；7, discharge outlet；8, outlet flue；9,
Pedestal；10, lower smoke box；11, partition；12, baffle one；13, baffle two；14, water cavity；15, combustion chamber；16, burner；17, even
Lug；18, through-hole.
Specific embodiment
Embodiment
Fig. 1 is a kind of structural schematic diagram of fully pre-mixing gas combustion condensing boiler embodiment of the utility model.As shown in Figure 1, one
Kind fully pre-mixing gas combustion condensing boiler, including shell 1, burner 16 and heat-exchanger rig, the bottom of shell 1 are provided with pedestal 9, exchange heat
Device is fixed on pedestal 9, and burner 16 is located at the top of heat-exchanger rig and is fixedly connected with heat-exchanger rig, and shell 1 is located at
The outside of burner 16 and heat-exchanger rig.Burner 16 selects all-premixing burner, and all-premixing burner setting is filled in heat exchange
The top set, flame can burn on surface reduces the size of combustion chamber 15, reduces boiler volume.Pot when boiler vertical type is arranged
More compact structure, the volume of furnace are smaller.
Heat-exchanger rig includes liner 3 and outer gallbladder 4, and the lower part of outer gallbladder 4 is provided with partition 11, partition 11, liner 3 and outer gallbladder 4
Surround closed water cavity 14.The top of outer gallbladder 4 is provided with water outlet 2, lower part is provided with water return outlet 6, water outlet 2 and water return outlet
6 are connected with water cavity 14.Liner 3 is concave structure, and burner 16 is fixedly connected with liner 3, between liner 3 and burner 16
Surround combustion chamber 15.Outer gallbladder 4 is fixedly connected with pedestal 9, surrounds lower smoke box 10, lower smoke box between outer gallbladder 4, partition 11 and pedestal 9
The discharge outlet 7 of outlet flue 8 and condensed water is provided on 10.Be provided with heat exchanger tube 5 between liner 3 and partition 11, heat exchanger tube 5 with
Combustion chamber 15 and lower smoke box 10 are connected.The high-temperature flue gas generated after burning in combustion chamber 15 enters heat exchanger tube 5, in heat exchanger tube
The heat exchange that recirculated water in high-temperature flue gas and water cavity 14 is completed in 5, is then advanced into lower smoke box 10, then from outlet flue under flue gas
8 are discharged, and the condensed water in flue gas is discharged through discharge outlet 7.
Fig. 2 is a kind of 5 structural schematic diagram of heat exchanger tube of fully pre-mixing gas combustion condensing boiler embodiment of the utility model.Such as Fig. 2
Shown, heat exchanger tube 5 is the Flat steel pipe that two relative side is parallel, another two relative side is semicircle cambered surface, the i.e. cross section of heat exchanger tube 5
Shape is similar to run-track shaped on playground.The heat exchanger tube 5 of Flat steel pipe is easier to arrange in water cavity 14, in same cross-sectional area
In the case of can arrange more Flat steel pipes, that is, there are more heat exchange areas, do not increasing velocity of flue gas and smoke pipe length feelings
The heat transfer intensity of smoke pipe can be promoted under condition.In addition, the equivalent diameter of Flat steel pipe is smaller, it is easy to reach flue gas in pipe
Turbulent condition increases convection transfer rate, improves the heat transfer effect of heat-exchanger rig entirety.Heat exchanger tube 5 is set in water cavity 14
Several are equipped with, and is arranged in parallel between heat exchanger tube 5.
Fig. 3 is a kind of one 12 structural schematic diagram of baffle of fully pre-mixing gas combustion condensing boiler embodiment of the utility model, and Fig. 4 is
A kind of 2 13 structural schematic diagram of baffle of fully pre-mixing gas combustion condensing boiler embodiment of the utility model.In the water cavity 14 of heat-exchanger rig
It is provided with baffle 1 and baffle 2 13, baffle 2 13 is located between two baffles 1, and baffle 1 and baffle 2 13 are in water
It is uniformly distributed in chamber 14.Baffle 1 is the cirque structure that edge is connect with outer 4 sealing welding of gallbladder, is set among baffle 1
It is equipped with the cavity that heat exchanger tube 5 can be made to pass through and recirculated water is made to circulate.Baffle 2 13 is that edge is evenly provided with 3 engaging lugs 17
Disc structure, baffle 2 13 is fixedly connected by welding by engaging lug 17 with outer gallbladder 4.In the support lower block of engaging lug 17
The gap of an arc ring is formed between 2 13 edge of plate and outer gallbladder 4, recirculated water can be flowed through from arc ring gap location.Baffle 2 13
Be evenly provided on surface can make heat exchanger tube 5 right through through-hole, through-hole with heat exchanger tube 5 number correspond, recirculated water
Difference circulates from through hole.When recirculated water circulates in water cavity 14, the circulation path of recirculated water is by baffle 1 and baffle 2 13
Influence constantly changing, be conducive to increase recirculated water turbulence level reach turbulence state, make the water temperature of recirculated water
It is more uniform.The setting of baffle 1 and baffle 2 13 reduces the circulation area of recirculated water, and the flow velocity of recirculated water increases, heat exchange
Pipe 5 is washed away by recirculated water, can effectively prevent from generating scale on heat exchanger tube 5.
Therefore, a kind of fully pre-mixing gas combustion condensing boiler of the utility model using the above structure, is able to solve small gas
The problem of condensing boiler heat transfer effect is poor, circulating water temperature is unevenly distributed, moreover it is possible to effectively prevent from generating scale on heat exchanger tube.
It is specific embodiment of the present utility model above, but the protection scope of the utility model should not be limited to thoses mentioned above.Appoint
What those skilled in the art is in the technical scope disclosed by the utility model, and any changes or substitutions that can be easily thought of,
It should be covered within the scope of the utility model, therefore the protection scope of the utility model should be limited with claims
Subject to fixed protection scope.
Claims (4)
1. a kind of fully pre-mixing gas combustion condensing boiler, including shell (1), burner (16) and heat-exchanger rig, the bottom of shell (1) are set
It is equipped with pedestal (9), heat-exchanger rig is fixed on pedestal (9), and burner (16) is located at the top of heat-exchanger rig and and heat-exchanger rig
It is fixedly connected, shell (1) is located at the outside of burner (16) and heat-exchanger rig, it is characterised in that: in the heat-exchanger rig
Heat exchanger tube (5) is that two relative side is parallel, another two relative side is in the water cavity (14) of Flat steel pipe heat-exchanger rig of semicircle cambered surface
It is provided with baffle one (12) and baffle two (13), the baffle two (13) is located between two baffles one (12), the gear
Plate one (12) is the cirque structure that edge is fixedly connected with water cavity (14) wall, and being provided among the baffle one (12) can make to change
The cavity that heat pipe (5) passes through and recirculated water is made to circulate；The baffle two (13) is that edge is evenly provided with engaging lug (17)
Disc structure, the baffle two (13) is fixedly connected by engaging lug (17) with water cavity (14) wall, in the engaging lug (17)
Support lower baffle plate two (13) edge and water cavity (14) wall between formed can make recirculated water circulate gap, the baffle two
(13) through-hole (18) that the heat exchanger tube (5) can be made to pass through is evenly provided on surface, the through-hole (18) is changed with described
Heat pipe (5) corresponds；
The baffle one (12) and the baffle two (13) are uniformly distributed in the water cavity (14).
2. a kind of fully pre-mixing gas combustion condensing boiler according to claim 1, it is characterised in that: the heat-exchanger rig further includes
Liner (3) and outer gallbladder (4), the liner (3) are sealedly and fixedly connected with outer gallbladder (4), and the lower part of the outer gallbladder (4) is provided with partition
(11), the partition (11), liner (3) and outer gallbladder (4) surround the water cavity (14), and the top of the outer gallbladder (4) is provided with out
The lower part at the mouth of a river (2), the outer gallbladder (4) is provided with water return outlet (6), the water outlet (2) and the water return outlet (6) and the water
Chamber (14) is connected；Burner (16) is fixedly connected with liner (3) by flange, and liner (3) is concave structure, burner (16)
Combustion chamber (15) are surrounded between liner (3)；The outer gallbladder (4) is fixed on the pedestal (9), the outer gallbladder (4), pedestal
(9) and between partition (11) it surrounds lower smoke box (10), is provided with outlet flue (8) and discharge outlet (7) on the lower smoke box (10)；Institute
It states and is provided between liner (3) and the partition (11) heat exchanger tube (5), the heat exchanger tube (5) and the combustion chamber (15)
And the lower smoke box (10) is connected.
3. a kind of fully pre-mixing gas combustion condensing boiler according to claim 2, it is characterised in that: heat exchanger tube (5) setting
There are several, is arranged in parallel between several heat exchanger tubes (5).
4. a kind of fully pre-mixing gas combustion condensing boiler according to claim 3, it is characterised in that: the burner (16) is complete
Premix burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957916.XU CN208887118U (en) | 2018-06-21 | 2018-06-21 | A kind of fully pre-mixing gas combustion condensing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957916.XU CN208887118U (en) | 2018-06-21 | 2018-06-21 | A kind of fully pre-mixing gas combustion condensing boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887118U true CN208887118U (en) | 2019-05-21 |
Family
ID=66505664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820957916.XU Expired - Fee Related CN208887118U (en) | 2018-06-21 | 2018-06-21 | A kind of fully pre-mixing gas combustion condensing boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208887118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553398A (en) * | 2019-10-09 | 2019-12-10 | 浙江赛班热能科技有限公司 | Premixing top-spraying type multistage condensation vacuum hot water boiler before gas combustion |
-
2018
- 2018-06-21 CN CN201820957916.XU patent/CN208887118U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553398A (en) * | 2019-10-09 | 2019-12-10 | 浙江赛班热能科技有限公司 | Premixing top-spraying type multistage condensation vacuum hot water boiler before gas combustion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103982921B (en) | Cyclone firing formula energy-saving kitchen range | |
| KR20090063438A (en) | Condensing type boiler | |
| CN207990688U (en) | A kind of energy-saving gas cooker | |
| CN208887118U (en) | A kind of fully pre-mixing gas combustion condensing boiler | |
| EP2943729B1 (en) | Fired heat exchanger | |
| CN208075334U (en) | A kind of fully pre-mixing gas combustion stainless steel hot homogeneous solution-type reactor | |
| CN210050990U (en) | Gas boiler | |
| CN208703917U (en) | A kind of ultralow nitrogen boiler of the premix entirely of more return structures | |
| CN103982889A (en) | Oil or gas boiler | |
| CN206145966U (en) | Vertical gas boiler of center stove courage L shape pipe | |
| RU2351855C1 (en) | Hot-water boiler | |
| CN210891801U (en) | Gas energy-saving stove with heat storage function | |
| CN209840406U (en) | Gas heating furnace | |
| CN106642665A (en) | Center furnace liner L-shaped guide pipe vertical gas boiler | |
| CN209310076U (en) | A kind of UTILIZATION OF VESIDUAL HEAT IN cooker racks and residual heat using device | |
| CN208205811U (en) | A kind of multilayer furnace wall efficient energy-saving heating stove | |
| CN208282399U (en) | Coil pipe multilayer furnace wall efficient energy-saving heating stove | |
| CN108561872B (en) | Combustion type steam generator | |
| CN206973899U (en) | Vertical tipburn oil gas organic heat carrier furnace | |
| CN104819572A (en) | Energy saver of large-sized assembled water pipe type hot water boiler | |
| CN207162615U (en) | Energy-saving environment-friendly cooking stove for food and drink | |
| CN202546710U (en) | Miniature sleeve type oil-gas fired steam boiler | |
| CN104791994A (en) | Vertical double-pass gas-fired hot water boiler | |
| CN209726147U (en) | A kind of waste heat boiler | |
| CN208871858U (en) | A kind of gas-fired condensing boiler with special-shaped heat exchange structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200621 |