CN207661988U - A kind of multiple gun metabolic water cold premixing vacuum boiler - Google Patents
A kind of multiple gun metabolic water cold premixing vacuum boiler Download PDFInfo
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- CN207661988U CN207661988U CN201721762803.6U CN201721762803U CN207661988U CN 207661988 U CN207661988 U CN 207661988U CN 201721762803 U CN201721762803 U CN 201721762803U CN 207661988 U CN207661988 U CN 207661988U
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- boiler body
- boiler
- spray gun
- mixing chamber
- frequency conversion
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model is related to heating equipment technical fields, specifically disclose a kind of multiple gun metabolic water cold premixing vacuum boiler, including boiler body (1) and the burner (2) in boiler body side is set, 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 the flared section (7) with the air outlet sealed connection of frequency conversion fan, one end far from frequency conversion fan is equipped at least two mixing chambers (8) on the flared tube, the end of the mixing chamber is equipped with burning spray gun (9), the burning spray gun is connected with the burner hearth in boiler body, it is sealedly connected with Gas Pipe (10) on the mixing chamber, igniter (11) is equipped with close to one end of burning spray gun in the mixing chamber.The utility model has the characteristics that safety is higher, combustion intensity is adjustable, the discharge capacity of NOx is relatively low and combustion power is higher.
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 multiple gun metabolic water cold premixing vacuum boiler of Jie.
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.Traditional vacuum boiler is when using burner heating igniting, in order to faster to boiler
It is heated, the combustion gas being originally passed through in mixing chamber is also required to larger firing power ability in the moment of igniting with regard to more
The combustion gas being passed through is lighted, firing power is larger while the combustion gas that is passed through is again more, there will be igniting suddenly and cause combustion gas acute
The problem of strong burning, and then flame tempering may occur and enter burner internal, burns part of appliance in burner even
It is also possible to can cause explosion, security performance is relatively low；Only there are one combustion system, the bad tune of combustion intensity for traditional vacuum boiler
Section, is not enough into what the gas flame in burner hearth also burnt during burning, will produce more NOx (nitrogen oxidations
Object), it is more serious to the pollution of environment；The combustion power of separate unit traditional vacuum boiler be nearly all 1.4MW (1.4 megawatts) with
Under, it is difficult to which so that the combustion power of separate unit vacuum boiler reaches 1.4MW or more.
Utility model content
The utility model provides a kind of multiple gun burning to solve the above-mentioned technical problem present in existing vacuum boiler
Water cooling premixes vacuum boiler, with safety is higher, combustion intensity is adjustable, the discharge capacity of NOx is relatively low and combustion power is higher
Feature.
The technical solution of the utility model：A kind of multiple gun metabolic water cold premixing vacuum boiler, including boiler body and setting
The other side of burner in boiler body side, the boiler body is connected with chimney, the boiler body by smoke exhaust pipe
Top be equipped with heat exchanger；The burner includes frequency conversion fan and the flared section that is tightly connected with the air outlet of frequency conversion fan,
One end far from frequency conversion fan is equipped at least two mixing chambers on the flared tube, and the end of the mixing chamber is equipped with burning and sprays
Rifle, the burning spray gun are connected with the burner hearth in boiler body, and Gas Pipe, the mixing are sealedly connected on the mixing chamber
It is indoor to be equipped with igniter close to one end of burning spray gun.The utility model by the air outlet of frequency conversion fan sealed set expand
At least two mixing chambers are arranged in mouth section in flared section, and one fuel gas pipeline of connection is arranged one simultaneously at each mixing chamber
Burning spray gun, each mixing chamber, burning spray gun and fuel gas pipeline and frequency conversion fan form an individual combustion system together,
One of combustion system can be first lighted when enabling vacuum boiler igniting every time, fuel gas pipeline is logical in each combustion system
The gas quantity entered is less, and the igniting of more traditional vacuum boiler, firing power is smaller, and firing power only has total burning output power
5% or so, the risk for being tempered part of appliance in damage burner when igniting is greatly reduced, security performance is improved；This practicality
It is novel by the way that at least two mixing chambers are arranged, constitute multiple combustion systems, and each combustion system is complete phase
To independent, the combustion intensity of each combustion system can be adjusted according to actual needs, has the characteristics that combustion intensity is adjustable, fire
The flame that makes a fire sprays into burner hearth from each burning spray gun so that in freeze profile at staggeredly burned flame, flame and flame
Between can flow into more air so that fuel gas buring is more abundant, and the amount of the nitrogen oxides of generation is relatively fewer, more traditional
Burner will reduce by 25% or so, environmental pollution lesser extent；The utility model is burnt by the way that at least two combustion chambers are arranged
The quantity of room can be increased or decreased according to actual needs, and an individually complete burning is constituted at each combustion chamber
System can do the combustion power of separate unit boiler greatly so that the combustion power of separate unit boiler reaches 1.4MW or more, have compared with
High combustion power.
Preferably, being set successively on the smoke exhaust pipe there are two interconnected condenser, on the condenser of chimney
It is sealedly connected with inlet pipeline, the condenser far from chimney is tightly connected by backheat pipeline and heat exchanger, on the heat exchanger
It is sealedly connected with outlet pipeline.By the way that two interconnected condensers are arranged on smoke exhaust pipe, can to the flue gas of discharge into
The preferable cooling of row and heat recovery, prior preheating is carried out by the condensed water for being passed through heat exchanger so that the heat exchange of heat exchanger is imitated
Rate is more preferable, higher to the utilization rate of heat, reduces the heat that flue gas is taken away, avoids heat waste.
Preferably, the smoke exhaust pipe is connected by necking section with the burner hearth inside boiler body.The setting of necking section
Enable flue gas more smoothly to enter smoke exhaust pipe and carry out flue gas cooling and heat recovery, and then is discharged by chimney.
Preferably, the burning spray gun is the tubular structure of necking shape.The burning spray gun of necking tubular structure, can
Increase the pressure that jets out flames so that flame adequately burns into burner hearth depths, and then to the heat medium water in boiler body
It is heated.
Preferably, there are three the mixing chambers.
Preferably, the Gas Pipe is equipped with Gas fuel butterfly valve.By the control of Gas fuel butterfly valve, can preferably adjust into
Enter to mix indoor gas quantity, and then can adjust and each mix indoor combustion intensity.
The utility model has the advantages that：
(1) by the sealed set flared section at the air outlet of frequency conversion fan, to be carried out uniformly to the wind that comes of frequency conversion extension set
Distribution, plays the role of equal scoreboard；By the way that at least two mixing chambers are arranged in flared section, one is connected at each mixing chamber
A burning spray gun is arranged in a fuel gas pipeline simultaneously, and the igniting of more traditional vacuum boiler, firing power is smaller, greatly reduces a little
Tempering damages the risk of part of appliance in burner when fiery, improves security performance；And each combustion system is complete
It is relatively independent, have the characteristics that combustion intensity is adjustable；Combustion flame sprays into burner hearth from each burning spray gun so that
Freeze profile is at staggeredly burned flame, and fuel gas buring is more abundant, and the amount of the nitrogen oxides of generation is relatively fewer；This practicality
It is novel the combustion power of separate unit boiler to be done greatly so that the combustion power of separate unit boiler reaches 1.4MW or more, has higher
Combustion power；
(2) by the way that two interconnected condensers are arranged on smoke exhaust pipe, the flue gas of discharge can be carried out preferable
Cooling and heat recovery, carries out prior preheating so that the heat exchange efficiency of heat exchanger is more preferable by the condensed water for being passed through heat exchanger；Contracting
The setting of mouth section enables flue gas more smoothly to enter smoke exhaust pipe progress flue gas cooling and heat recovery, and then is arranged by chimney
Go out；The burning spray gun of necking tubular structure can increase the pressure that jets out flames so that flame, which adequately enters burner hearth depths, to carry out
Burning.
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- flared sections, 8- mixing chambers, 9- burning spray guns, 10- Gas Pipes, 11- igniters, 12- condensers, 13- inlet pipelines, 14-
Backheat pipeline, 15- outlet pipelines, 16- necking sections, 17- Gas fuel butterfly valves.
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 multiple gun metabolic water cold premixing vacuum boiler as shown in Figure 1, including boiler body 1 and setting are in boiler body
The other side of the burner 2 of side, boiler body is connected with chimney 4 by smoke exhaust pipe 3, and the top of boiler body is equipped with heat exchanger
5；Burner includes frequency conversion fan 6 and the flared section 7 that is tightly connected with the air outlet of frequency conversion fan, far from frequency conversion wind on flared tube
One end of machine is equipped at least two mixing chambers 8, and the end of mixing chamber is equipped with burning spray gun 9 as shown in Figure 2, burning spray gun and pot
Burner hearth in furnace body is connected, and Gas Pipe 10 is sealedly connected on mixing chamber, is set close to one end of burning spray gun in mixing chamber
There is igniter 11.It is set successively on smoke exhaust pipe there are two interconnected condenser 12 as shown in Figure 3, close to the condenser of chimney
On be sealedly connected with inlet pipeline 13, the condenser far from chimney passes through backheat pipeline 14 and heat exchanger and is tightly connected, heat exchanger
On be sealedly connected with outlet pipeline 15.Smoke exhaust pipe is connected by necking section 16 with the burner hearth inside boiler body.Burning spray gun
For the tubular structure of necking shape.There are three mixing chambers.Gas Pipe is equipped with Gas fuel butterfly valve 17.Flared section is flaring chamber and rectangle
The structure that chamber is composed；Necking section is necking pipeline structure.
The operation principle of the utility model is：
Heat medium water is filled in heating pipe in boiler body 1, control frequency conversion fan 6 starts, and first controls a mixing
The aperture of Gas fuel butterfly valve 17 at room 8 is passed through suitable combustion gas in the mixing chamber, and control igniter 11 is lighted a fire, a mixing chamber
Interior combustion gas starts to burn, and under the action of frequency conversion fan wind pressure, gas flame adds again at the burning spray gun 9 of necking shape
Pressure is ejected in burner hearth, and generating steam into the flame heating heat medium water in burner hearth starts the progress of the condensed water in heat exchanging device 5
Heating, firing power is smaller, greatly reduces the wind for being tempered damage part of appliance when igniting to the frequency conversion fan direction of burner
Danger, improves security performance, then controls the Gas Pipe 10 at other mixing chambers according to actual needs and is passed through combustion gas, control corresponds to
It mixes indoor igniter to light a fire, sprays into flame heating heat medium water, difference burning spray into burner hearth from corresponding burning spray gun
Rifle spray combustion flame in burner hearth staggeredly burn, burning more fully, generate pollution air nitrogen oxides it is less；
Also the supply of the carry out condensation cycle water of inlet pipeline 13, the condensed water row of circulation successively are opened when starting frequency conversion fan simultaneously
Two condensers 12 at smoke pipe 3 carry out cooling heat recycling to the flue gas being discharged in smoke exhaust pipe, and condensed water first passes through condenser
Enter heat exchanger after preheating and absorb heat and hot water is discharged for users to use by outlet pipeline 15 again, user using after complete through following
Ring is entered by inlet pipeline again completes recycling for flow.
The utility model has the advantages that：(1) pass through the sealed set flared section at the air outlet of frequency conversion fan 6
7, to be uniformly distributed to the wind that comes of frequency conversion extension set, play the role of equal scoreboard；By the way that at least two are arranged in flared section
A mixing chamber 8, a burning spray gun 9, more traditional vacuum kettle is arranged in one Gas Pipe 10 of connection simultaneously at each mixing chamber
Furnace igniting, firing power is smaller, greatly reduces the risk for being tempered part of appliance in damage burner when igniting, improves safety
Performance；And each combustion system is complete relatively independent, has the characteristics that combustion intensity is adjustable；Combustion flame from
Burner hearth is sprayed at each burning spray gun so that in freeze profile at staggeredly burned flame, fuel gas buring is more abundant, production
The amount of raw nitrogen oxides is relatively fewer；The utility model can do the combustion power of separate unit boiler greatly so that separate unit boiler
Combustion power reach 1.4MW or more, have higher combustion power.(2) it is interconnected by the way that two are arranged on smoke exhaust pipe 3
Condenser 12, preferably cooling and heat recovery can be carried out to the flue gas of discharge, the condensed water that will be passed through heat exchanger 5 carries out
Prior preheating so that the heat exchange efficiency of heat exchanger is more preferable；The setting of necking section 16 enables flue gas more smoothly to enter row
Smoke pipe carries out flue gas cooling and heat recovery, and then is discharged by chimney 4；The burning spray gun of necking tubular structure can increase spray
Go out flame pressure so that flame adequately burns into burner hearth depths.
Claims (6)
1. a kind of multiple gun metabolic water cold premixing vacuum boiler, it is characterized in that：Including boiler body (1) and it is arranged in boiler body one
The other side of the burner (2) of side, the boiler body is connected with chimney (4), the top of the boiler body by smoke exhaust pipe (3)
Portion is equipped with heat exchanger (5)；The burner includes frequency conversion fan (6) and the flared section with the air outlet sealed connection of frequency conversion fan
(7), one end far from frequency conversion fan is equipped at least two mixing chambers (8) on the flared tube, and the end of the mixing chamber is equipped with
Burning spray gun (9), the burning spray gun are connected with the burner hearth in boiler body, and Gas Pipe is sealedly connected on the mixing chamber
(10), in the mixing chamber igniter (11) is equipped with close to one end of burning spray gun.
2. a kind of multiple gun metabolic water cold premixing vacuum boiler according to claim 1, it is characterized in that：On the smoke exhaust pipe according to
It is secondary to set there are two interconnected condenser (12), it is sealedly connected with inlet pipeline (13) on the condenser of chimney, it is separate
The condenser of chimney is tightly connected by backheat pipeline (14) and heat exchanger, and outlet pipeline is sealedly connected on the heat exchanger
(15)。
3. a kind of multiple gun metabolic water cold premixing vacuum boiler according to claim 2, it is characterized in that：The smoke exhaust pipe passes through
Necking section (16) is connected with the burner hearth inside boiler body.
4. a kind of multiple gun metabolic water cold premixing vacuum boiler according to claim 1 or 2 or 3, it is characterized in that：The burning
Spray gun is the tubular structure of necking shape.
5. a kind of multiple gun metabolic water cold premixing vacuum boiler according to claim 4, it is characterized in that：The mixing chamber has three
It is a.
6. a kind of multiple gun metabolic water cold premixing vacuum boiler according to claim 4, it is characterized in that：It is set in the Gas Pipe
There is Gas fuel butterfly valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762803.6U CN207661988U (en) | 2017-12-15 | 2017-12-15 | A kind of multiple gun metabolic water cold premixing vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721762803.6U CN207661988U (en) | 2017-12-15 | 2017-12-15 | A kind of multiple gun metabolic water cold premixing vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661988U true CN207661988U (en) | 2018-07-27 |
Family
ID=62941698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721762803.6U Active CN207661988U (en) | 2017-12-15 | 2017-12-15 | A kind of multiple gun metabolic water cold premixing vacuum boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036509A (en) * | 2017-12-15 | 2018-05-15 | 力聚热力设备科技有限公司 | Multiple gun metabolic water cold premixing vacuum boiler |
-
2017
- 2017-12-15 CN CN201721762803.6U patent/CN207661988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036509A (en) * | 2017-12-15 | 2018-05-15 | 力聚热力设备科技有限公司 | Multiple gun metabolic water cold premixing vacuum boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181016 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. |