CN207661987U - A kind of double burner water cooling premix vacuum boiler - Google Patents
A kind of double burner water cooling premix vacuum boiler Download PDFInfo
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- CN207661987U CN207661987U CN201721752821.6U CN201721752821U CN207661987U CN 207661987 U CN207661987 U CN 207661987U CN 201721752821 U CN201721752821 U CN 201721752821U CN 207661987 U CN207661987 U CN 207661987U
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- boiler
- mixing chamber
- boiler body
- smoke exhaust
- burner
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Abstract
The utility model is related to heating equipment technical fields, specifically disclose a kind of double burner water cooling premix vacuum boiler, including boiler body (1) and two burners (2), described two burners are disposed in parallel in the side of boiler body, the other side of the boiler body is connected with chimney (4) by smoke exhaust pipe (3), and the top of the boiler body is equipped with heat exchanger (5)；The burner includes frequency conversion fan (6) and mixing chamber (7), the air opening end of the frequency conversion fan is tightly connected by the arrival end of the first flared section (8) and mixing chamber, Gas Pipe (9) is sealedly connected on the mixing chamber, the outlet end of the mixing chamber is connected by the second flared section (10) with the burner hearth inside boiler body, and the outlet end of the mixing chamber is equipped with igniter (11).The utility model has the characteristics that operational efficiency is higher, use cost is relatively low and NOx emission is relatively low.
Description
Technical field
The utility model is related to heating equipment technical fields, more particularly to one kind is using gas as fuel, and water is as heat transfer matchmaker
The double burner water cooling of Jie premixes vacuum boiler.
Background technology
Vacuum boiler is the vacuum environment that a negative pressure is formed in closed furnace interior, and heat medium water is filled in body,
By burning or other means heating heat medium water, heat medium water generates steam by heating, and steam passes through condensing heat-exchange heating heat exchanger
Water in pipe realizes the supply of hot water.Only there are one burners to carry out heat supply for traditional vacuum boiler, when event occurs for burner
It needs entire boiler out of service when barrier, burner is repaired, device to be combusted could carry out boiler again after fixing
It uses, causes the operational efficiency of entire boiler relatively low, the use cost of entire boiler is also higher；Meanwhile when burner start and stop
When, it is insufficient often to will appear fuel gas buring, the case where generating a large amount of NOx (nitrogen oxides), and the discharge of more NOx can be to big
Gas causes larger pollution.
Utility model content
The utility model provides a kind of double burner to solve the above-mentioned technical problem present in existing vacuum boiler
Water cooling premixes vacuum boiler, it is only using gas as fuel, using water as heat transfer, the higher, use cost with operational efficiency
The relatively low and relatively low feature of NOx emission.
The technical solution of the utility model：A kind of double burner water cooling premix vacuum boiler, including boiler body and two
Burner, described two burners are disposed in parallel in the side of boiler body, and the other side of the boiler body passes through smoke exhaust pipe
It is connected with chimney, the top of the boiler body is equipped with heat exchanger；The burner includes frequency conversion fan and mixing chamber, the change
The air opening end of frequency wind turbine is tightly connected by the arrival end of the first flared section and mixing chamber, is sealedly connected on the mixing chamber
The outlet end of Gas Pipe, the mixing chamber is connected by the second flared section with the burner hearth inside boiler body, the mixing chamber
Outlet end be equipped with igniter.The utility model in the side of boiler body by being arranged side by side two relatively independent burners
Come for boiler heat supplying, each burner can isolated operation, the runing adjustment ratio compared with traditional vacuum boiler increases one times,
When a burner breaks down, the burner to break down can be repaired, and another burner can continue
Operation, the work of boiler will not stop, reducing vacuum boiler start-stop time because of caused by burner malfunctions, improve vacuum
The overall operation efficiency of boiler can give full play to the service efficiency of vacuum boiler, thereby reduce the use of vacuum boiler at
This, meanwhile, the reduction of vacuum boiler start-stop time but also combustion gas is in a kind of clean-burning state always, there is no because
Combustion gas burns insufficient in shutdown process and generates excessive nitrogen oxides, and larger pollution is caused to air；This practicality is new
Type in the junction of frequency conversion fan and mixing chamber by being arranged the first flared section, to realize that the wind that comes of frequency conversion fan is mixed with being passed through
Combustion gas is sufficiently mixed in room, and then ensure that the abundant burning of combustion gas；The utility model passes through in mixing chamber and boiler body
Junction the second flared section is set, come realize the flame of fuel gas buring be capable of maximum possible into the stove in boiler body
Thorax ensures making full use of for heat.
Preferably, there are two the smoke exhaust pipes, the setting corresponding with two burners of two smoke exhaust pipes, the smoke exhaust pipe
It is connected with the burner hearth inside boiler body by necking section, described two smoke exhaust pipes are symmetrically connected to the both sides of chimney.Pass through
Each burner is correspondingly arranged a smoke exhaust pipe, targetedly to exclude the flue gas generated at corresponding burner, ensures stove
The abundant burning of combustion gas and heat exchanger make full use of heat in thorax, and the junction between boiler body and smoke exhaust pipe uses contracting
Mouth structure enables to flue gas to smoothly enter smoke exhaust pipe, and then is discharged from chimney, and flue gas is well discharged, ensure that combustion gas exists
The efficient transmission of abundant burning and heat in burner hearth.
Preferably, the smoke exhaust pipe is equipped with condenser, one of condenser is connected by backheat pipeline and heat exchanger
It connects, two condensers are connected by connecting tube.By the way that condenser is arranged at smoke exhaust pipe, set between condenser and heat exchanger
Pipe line is put back into be cooled down to the flue gas of discharge, and recycle to the heat absorbed in flue gas cooling procedure so that heat
The utilization ratio higher of amount.
Preferably, being sealedly connected with inlet pipeline on another condenser, water outlet is sealedly connected on the heat exchanger
Pipeline.Condensed water first enters condenser by inlet pipeline and is just cooled down to flue gas, by backheat after the heat of condensed water absorption flue gas
Pipeline enters heat exchanger, has accomplished the recycling to flue gas heat.
Preferably, the Gas Pipe is equipped with Gas fuel butterfly valve.Can be adjusted as needed by Gas fuel butterfly valve be passed through it is mixed
Close the size of the gas inlet amount of room, in order to be able to according to actual needs so that fully burning to the combustion gas being passed through.
Preferably, the bottom of the chimney is equipped with fixed seat, the junction of the chimney and pedestal is evenly equipped with several ladders
Shape reinforced sheet.Several trapezoidal reinforced sheets ensure that the stability that chimney is stood.
The utility model has the advantages that：
(1) by the way that two relatively independent burners are arranged side by side come for boiler heat supplying, when one in the side of boiler body
When platform burner breaks down, the burner to break down can be repaired, and another burner can continue to run with,
The overall operation efficiency for improving vacuum boiler reduces the use cost of vacuum boiler, the reduction of vacuum boiler start-stop time
But also fuel gas buring is more abundant, reduce the discharge capacity of nitrogen oxides, plays the effect of energy-saving and emission-reduction；
(2) by the way that the first flared section is arranged in the junction of frequency conversion fan and mixing chamber, it ensure that the abundant burning of combustion gas；
By the way that the second flared section is arranged in the junction of mixing chamber and boiler body, to realize that the flame of fuel gas buring being capable of maximum possible
Into the burner hearth in boiler body；
(3) smoke exhaust pipe is correspondingly arranged by each burner, come generation at corresponding burner targetedly
Flue gas excludes；Junction between boiler body and smoke exhaust pipe uses throat structure, and flue gas is enabled to smoothly enter smoke evacuation
Pipe；By the way that condenser is arranged at smoke exhaust pipe, be arranged between condenser and heat exchanger backheat pipeline come to the flue gas of discharge into
Row cooling so that the utilization ratio higher of heat；By the way that several trapezoidal reinforced sheets are arranged come so that the stability of chimney is preferable.
Description of the drawings
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the structural front view of the utility model；
Fig. 3 is the structure top view of the utility model；
Label in attached drawing be：1- boiler bodies, 2- burners, 3- smoke exhaust pipes, 4- chimneys, 5- heat exchangers, 6- frequency conversion wind
Machine, 7- mixing chambers, the first flared sections of 8-, 9- Gas Pipes, the second flared sections of 10-, 11- igniters, 12- necking sections, 13- condensations
Device, 14- backheat pipelines, 15- connecting tubes, 16- inlet pipelines, 17- outlet pipelines, 18- Gas fuel butterfly valves, 19- fixed seats, 20- ladders
Shape reinforced sheet.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
A kind of double burner water cooling premix vacuum boiler as shown in Figure 1, including boiler body 1 and two burners 2, two
A burner is disposed in parallel in the side of boiler body, and the other side of boiler body is connected with chimney 4, boiler by smoke exhaust pipe 3
The top of ontology is equipped with heat exchanger 5；Burner includes frequency conversion fan 6 and mixing chamber 7 as shown in Figure 2, the outlet air of frequency conversion fan
Mouth end is tightly connected by the first flared section 8 and the arrival end of mixing chamber, and Gas Pipe 9, mixing chamber are sealedly connected on mixing chamber
Outlet end be connected with the burner hearth inside boiler body by the second flared section 10, the outlet end of mixing chamber is equipped with igniter
11.There are two smoke exhaust pipes, and two smoke exhaust pipes setting corresponding with two burners, smoke exhaust pipe passes through necking section 12 and boiler body
Internal burner hearth is connected, and two smoke exhaust pipes are symmetrically connected to the both sides of chimney.Smoke exhaust pipe is equipped with condenser as shown in Figure 3
13, one of condenser is connect by backheat pipeline 14 with heat exchanger, and two condensers are connected by connecting tube 15.It is another
It is sealedly connected with inlet pipeline 16 on a condenser, outlet pipeline 17 is sealedly connected on heat exchanger.Gas Pipe is equipped with combustion gas
Butterfly valve 18.The bottom of chimney is equipped with fixed seat 19, and the junction of chimney and pedestal is evenly equipped with several trapezoidal reinforced sheets 20.First expands
Mouth section, the second flared section and necking section are pipeline structure.
The operation principle of the utility model is：
Condensed water is passed through by inlet pipeline 16, then starts two burners 2, two frequency conversion fans 6 are started to work, passed through
The aperture of control Gas fuel butterfly valve 18 is passed through suitable combustion gas into two mixing chambers 7, and control igniter 11 starts to light a fire, and combustion gas is opened
Begin to burn, under the wind-force effect of frequency conversion fan, flame passes through the burner hearth that the second flared section 10 sprays into boiler body 1, combustion gas
Heat medium water in the heat boiler body that stove chamber inner combustion generates in pipeline, the steam of heat medium water are heated by heat exchanger
The condensed water for flowing through heat exchanger is used in user, and the flue gas that combustion gas generates is discharged along two smoke exhaust pipes 3 by chimney；What is be passed through is cold
Condensate first passes through two condensers 13 successively, and two condensers carry out cooling heat to corresponding the chimney being discharged at smoke exhaust pipe
Amount recycling, that is, preliminary preheating carries out condensed water by flue gas, condensed water enters heat exchanger after being flowed out in condenser,
The heat that condensed water in inflow heat exchanger absorbs heating agent water vapor transmission becomes the hot water of user's needs by 17 row of outlet pipeline
Go out, after user has used hot water, the heat of hot water, which is consumed, to be continued to become cooling water and entered again by inlet pipeline, realizes water
Stream recycles；When a burner breaks down, vacuum boiler may continue to transport under the action of another burner
Row improves the operational efficiency of boiler, reduces boiler in the burner that repair is broken down without stopping boiler operatiopn
The start-stop time of use cost, boiler reduces, and the nitrogen oxides of the pollution air of generation also just reduces, and plays energy saving subtract
The effect of row.
The utility model has the advantages that：(1) by being arranged side by side two relatively solely in the side of boiler body 1
Vertical burner 2 to tie up the burner to break down when a burner breaks down for boiler heat supplying
It repaiies, and another burner can continue to run with, and improve the overall operation efficiency of vacuum boiler, reduce making for vacuum boiler
With cost, the reduction of vacuum boiler start-stop time reduces the discharge capacity of nitrogen oxides, rises but also fuel gas buring is more abundant
The effect of energy-saving and emission-reduction is arrived；(2) by the way that the first flared section is arranged in the junction of frequency conversion fan 6 and mixing chamber 7, it ensure that combustion
The abundant burning of gas；By the way that the second flared section 10 is arranged in the junction of mixing chamber and boiler body, to realize fuel gas buring
Flame be capable of maximum possible into the burner hearth in boiler body；(3) smoke exhaust pipe 3 is correspondingly arranged by each burner,
Targetedly to exclude the flue gas generated at corresponding burner；Junction between boiler body and smoke exhaust pipe uses necking
Structure enables to flue gas to smoothly enter smoke exhaust pipe；By the way that condenser 13 is arranged at smoke exhaust pipe, in condenser and heat exchanger
Between setting backheat pipeline 14 flue gas of discharge is cooled down so that the utilization ratio higher of heat；It is several by being arranged
Trapezoidal reinforced sheet 20 is preferable to make the stability of chimney 4.
Claims (6)
1. a kind of double burner water cooling premixes vacuum boiler, it is characterized in that：Including boiler body (1) and two burners (2), institute
The side that two burners are disposed in parallel in boiler body is stated, the other side of the boiler body is connected with by smoke exhaust pipe (3)
The top of chimney (4), the boiler body is equipped with heat exchanger (5)；The burner includes frequency conversion fan (6) and mixing chamber (7),
The air opening end of the frequency conversion fan is tightly connected by the arrival end of the first flared section (8) and mixing chamber, on the mixing chamber
It is sealedly connected with Gas Pipe (9), the outlet end of the mixing chamber passes through the burner hearth inside the second flared section (10) and boiler body
It is connected, the outlet end of the mixing chamber is equipped with igniter (11).
2. a kind of double burner water cooling according to claim 1 premixes vacuum boiler, it is characterized in that：The smoke exhaust pipe has two
A, two smoke exhaust pipes setting corresponding with two burners, the smoke exhaust pipe passes through inside necking section (12) and boiler body
Burner hearth is connected, and described two smoke exhaust pipes are symmetrically connected to the both sides of chimney.
3. a kind of double burner water cooling according to claim 2 premixes vacuum boiler, it is characterized in that：It is set on the smoke exhaust pipe
There are condenser (13), one of condenser to be connect with heat exchanger by backheat pipeline (14), two condensers pass through connecting tube
(15) it is connected.
4. a kind of double burner water cooling according to claim 3 premixes vacuum boiler, it is characterized in that：On another condenser
It is sealedly connected with inlet pipeline (16), outlet pipeline (17) is sealedly connected on the heat exchanger.
5. a kind of double burner water cooling according to claim 1 or 2 or 3 or 4 premixes vacuum boiler, it is characterized in that：It is described
Gas Pipe is equipped with Gas fuel butterfly valve (18).
6. a kind of double burner water cooling according to claim 5 premixes vacuum boiler, it is characterized in that：The bottom of the chimney
Equipped with fixed seat (19), the junction of the chimney and pedestal is evenly equipped with several trapezoidal reinforced sheets (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721752821.6U CN207661987U (en) | 2017-12-15 | 2017-12-15 | A kind of double burner water cooling premix vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721752821.6U CN207661987U (en) | 2017-12-15 | 2017-12-15 | A kind of double burner water cooling premix vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661987U true CN207661987U (en) | 2018-07-27 |
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ID=62942632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721752821.6U Active CN207661987U (en) | 2017-12-15 | 2017-12-15 | A kind of double burner water cooling premix vacuum boiler |
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| Country | Link |
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| CN (1) | CN207661987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990552A (en) * | 2017-12-15 | 2018-05-04 | 力聚热力设备科技有限公司 | Double burner water cooling premixes vacuum boiler |
-
2017
- 2017-12-15 CN CN201721752821.6U patent/CN207661987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990552A (en) * | 2017-12-15 | 2018-05-04 | 力聚热力设备科技有限公司 | Double burner water cooling premixes vacuum boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180930 Address after: 313200 No. 150, Sheng Ye street, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Patentee after: Zhejiang Li Ju thermal energy equipment Co., Ltd. Address before: 313000 No. 150, Sheng Ye street, Wu Kang Town, Deqing County, Huzhou, Zhejiang. Patentee before: LIJU THERMAL POWER EQUIPMENT CO., LTD. |