CN207262407U - One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality - Google Patents
One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality Download PDFInfo
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- CN207262407U CN207262407U CN201721276092.1U CN201721276092U CN207262407U CN 207262407 U CN207262407 U CN 207262407U CN 201721276092 U CN201721276092 U CN 201721276092U CN 207262407 U CN207262407 U CN 207262407U
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Abstract
Exempt to use the low nitrogen condensed type combustion gas steam boiler of formality, including chimney, boiler skid platform base, integral energy-saving device and condenser, low NO, steam valve, safety valve, boiler body the utility model discloses one kind（The part includes fin, smoke deflector, upper collecting chamber, lower steam-water separator, lower header, upper steam-water separator, water inlet and vertical pipe）, independent down-comer, water tank, feed pump, fluid level controller, boiler implosion cabinet, this kind of boiler is using smooth wall pipe as heat exchanging water pipe, the utility model is using the water pipe of surface soldered thickness fin as heat exchanger tube, and heat exchange area adds 2 times under equal length of pipe；This kind of boiler can improve service life, transfer efficiency is also improved；Steam-water separation effect is good, obtains good steam；Easy to use, use scope is also increased, additionally it is possible to energy loss is reduced, meanwhile, make the discharge capacity of nitrogen oxides also be reduced.
Description
Technical field
It the utility model is related to a kind of gas-steam boiler, and in particular to one kind is exempted to steam using the low nitrogen condensed type combustion gas of formality
Boiler furnace.
Background technology
Current existing gas fired-boiler shortcoming and defect：
According to country《Pot rule》It is required that need not handling for most producer's productions is steamed using the combustion gas of formality in industry at present
Boiler furnace separate unit nominal steam amount ＜ 200KG/H, the gas-steam boiler more than 200KG/H need to handle using registration, needs
Operating personnel take appointment with certificate, want periodic inspection.Separate unit nominal steam amount 200KG/H yield is too small, can not meet user's higher
Quantity of steam demand.If using the boiler for needing inspection declaration, boiler takes up an area greatly, in using area, user of service and using in formality
Many limitations are brought, while also increase equipment use cost and long-term management cost.
Domestic haze weather is serious, and the major gaseous component for influencing PM2.5 is nitrogen oxides（NOX）.As country is to ring
Guaranteed request is continuously improved, to controlling NOXDischarge it is more and more stringenter, NOXThe most of row for deriving from boiler smoke afterbody of discharge
Put, at present, the flue gas emission NO of most boilers in industryXBe emitted on 150 ~ 250mg/m3, environmental pollution causes greatly
Influence.
It need not be handled in industry and using the gas-steam boiler majority of formality fume high-temperature energy-saving appliance and low temperature are not installed
Condenser, does not install the gas-steam boiler exhaust gas temperature of high-temperature energy-conservation device generally at 290 DEG C, thermal efficiency ＜ 86%；Install energy saving
Device does not install the exhaust gas temperature of condenser generally at 130 DEG C, thermal efficiency ＜ 92%.Relative heat efficiency is low, waste of energy, and
More flue gas emissions are brought, cause the environmental pollution of bigger.
Utility model content
The utility model provides one kind and exempts to use the low nitrogen condensed type combustion gas steam boiler of formality, solves in background technology
Problem.
In order to solve the above-mentioned technical problem, the utility model provides following technical solution：
The utility model one kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, including boiler skid platform base and fixation
Boiler body on boiler skid platform base, is provided with integral energy-saving device and condenser and water above the boiler body
Case, and be connected between the boiler body and integral energy-saving device and condenser by pipeline；The side of the boiler body
Setting is provided with steam valve and safety valve, and low NO is provided with the top of boiler body；The side of the boiler body is set
Feed pump, fluid level controller and boiler implosion cabinet are equipped with, the water inlet end of the feed pump connects the water outlet of water tank by water-supply-pipe
Mouthful, the water outlet of the feed pump connects the water inlet end of boiler body by water-supply-pipe；The side of the bottom of the boiler body
Independent down-comer is provided with, the both ends of the independent down-comer connect lower header and upper collecting chamber respectively, and the side of the upper collecting chamber is set
Lower steam-water separator is equipped with, steam-water separator is provided with above the lower steam-water separator；The upper collecting chamber and lower header
Between be connected with several vertical pipes, the outer surface of the vertical pipe is welded with the fin of thickness, and the fin of the vertical pipe
It is equidistant outside that several smoke deflectors are installed.
As a kind of optimal technical scheme of the utility model, the side of the lower header offers water inlet, and should be into
The mouth of a river connects the water outlet of boiler body.
As a kind of optimal technical scheme of the utility model, the top of the boiler skid platform base is provided with chimney.
As a kind of optimal technical scheme of the utility model, the water tank is connected with integral energy-saving device and condenser
Connect.
As a kind of optimal technical scheme of the utility model, the upper collecting chamber and lower header are that ring-type is set.
The beneficial effect that the utility model is reached is：
1st, compared with tradition exempts from the boiler using formality, the type steam boiler is using smooth wall pipe as heat exchanging water pipe, sheet
Utility model is using the water pipe of surface soldered thickness fin as heat exchanger tube, and heat exchange area adds 2 times under equal length of pipe.
So separate unit gas-steam boiler rated capacity has accomplished 800-1000KG/H.Conventional boiler generally accomplishes 200KG/H, the reality
Four can be replaced with a new product, reduces using area requirement, during in face of big quantity of steam steam demand, using more
Convenient, purposes is also more extensive.
2nd, compared to other vertical gas boilers and steam generator, it is not necessary to the outer water separator of independent stove is installed,
Individually designed outlet flue condensed water down-comer, can effectively realize water Natural Circulation, reduce the salt content that smoke outlet goes out, a side
Face reduces fouling rate, extends product service life；The opposing party exempts to form Natural Circulation water and boiler heat exchange pipe heat convection, improves
The heat exchange efficiency of boiler water tube.And good separation, obtains good steam.
3rd, body design ordinary water level water capacity is less than 50L, is using link from TSG《Boiler safety technology supervision rule
Journey》Constraint, makes sale and use more convenient, purposes is also more extensive.
4th, integral energy-saving device and condenser are configured, has water vapour among the burning of natural gas, is released during condensation
A large amount of high-order calorific values of natural gas are released, these heats can be reused for the inflow temperature of preboiler, so as to carry
The thermal efficiency of high boiler, the boiler efficiency for usually configuring condenser can configure and condense to more than 99% in gas fired-boiler outlet flue
Device, design exhaust gas temperature discharge heat and preheat inflow temperature, so as to carry to 63 degree after the water vapor condensation allowed in partial fume
The thermal efficiency of high boiler, saves energy loss and drop low exhaust gas emission.Solve in the prior art that heat energy utilization is incomplete, exhaust gas
Discharge more, make condensing heat exchanger thermal efficiency higher, use is more environmentally-friendly.
5th, using full premix metal surface combustion system, nitrogen oxides（NOX）Discharge ＜ 30mg/m3, meet current country
The most stringent of requirement of environmental requirement, NOXThe most of discharge for deriving from boiler smoke afterbody of discharge, it is at present, most in industry
The flue gas emission NO of boilerXBe emitted on 150-250mg/m3, effectively reduce NOXDischarge, the improvement to environment plays important
Effect.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure exempted from using the low nitrogen condensed type combustion gas steam boiler of formality of the utility model；
Fig. 2 is a kind of local structural graph exempted from using the low nitrogen condensed type combustion gas steam boiler of formality of the utility model；
Fig. 3 is a kind of vertical view for exempting from the vertical pipe using the low nitrogen condensed type combustion gas steam boiler of formality of the utility model
Figure；
In figure：1st, chimney；2nd, boiler skid platform base；3rd, integral energy-saving device and condenser；4th, steam valve；5th, low nitrogen burning
Device；6th, boiler body；7th, independent down-comer；8th, water tank；9th, feed pump；10th, safety valve；11st, fluid level controller；12nd, boiler control
Cabinet processed；13rd, fin；14th, smoke deflector；15th, upper collecting chamber；16th, lower steam-water separator；17th, lower header；18th, upper steam-water separation
Device；19th, water inlet；20th, vertical pipe.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
Embodiment：As shown in Figs. 1-3, the utility model one kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, bag
Boiler skid platform base 2 and the boiler body 6 being fixed on boiler skid platform base 2 are included, 6 structure of boiler body is in upper and lower annular
The vertical water pipe that header collapses both ends is arranged in two loops, and vertical pipe 20 uses finned tube, this design expands combustion
Room is burnt, and the swept area of heat transfer is greatly improved in finned tube, is radiated along 360 ° of water pipes to arrangement fume balanced
Circulation heat exchange, reduces flue gas circulation area, so as to accelerate flue gas flow rate between every two tubes of outer race tube with gas baffle
And convection current heat transfer is improved, finally flow to the outlet flue at rear portion；The top of boiler body 6 is provided with integral energy-saving device and condensation
Device 3 and water tank 8, and be connected between boiler body 6 and integral energy-saving device and condenser 3 by pipeline；The one of boiler body 6
Side sets and is provided with steam valve 4 and safety valve 10, and the top of boiler body 6 is provided with low NO 5；The side of boiler body 6
Face is provided with feed pump 9, fluid level controller 11 and boiler implosion cabinet 12, and the water inlet end of feed pump 9 connects water tank 8 by water-supply-pipe
Water outlet, the water outlet of feed pump 9 passes through the water inlet end that water-supply-pipe connects boiler body 6；The side of the bottom of boiler body 6
Independent down-comer 7 is provided with, the both ends of the independent down-comer 7 connect lower header 17 and upper collecting chamber 15 respectively, and the one of upper collecting chamber 15
Side is provided with lower steam-water separator 16, and the top of lower steam-water separator 16 is provided with steam-water separator 18；Upper collecting chamber 15 is with
Several vertical pipes 20 are connected between header 17, the outer surface of the vertical pipe 20 is welded with the fin 13 of thickness, and this hangs down
It is equidistant outside the fin 13 of straight pipeline 20 that several smoke deflectors 14 are installed, it is evaporated to upper collecting chamber after water in stove is heated
15, the steam water interface in upper collecting chamber 15 flow to lower header after steam-water separator separation in stove by exterior independent down-comer 7
17, so that forming water outer loop improves steam quality, the problem for solving water entrained by steam, thereby reduces the damage of the energy
Consumption, it be steam not form the water circulation exit part water rapid concentration that can cause to discharge fume, and salt content is high easy to be incrusted in water
Problem, individually designed independent condensed water down-comer, can effectively realize water Natural Circulation, reduce the salt content that smoke outlet goes out.
The side of lower header 17 offers water inlet 19, and the water outlet of the water inlet 19 connection boiler body 6.
The top of boiler skid platform base 2 is provided with chimney 1.
Water tank 8 is connected with integral energy-saving device and condenser 3.
Upper collecting chamber 15 and lower header 17 are that ring-type is set.
Operation principle：
Flue gas system：Air and natural gas are by premixing wind turbine into mixed combustion in boiler body, 360 degree of directions of flue gas
Radially pass through transversal flow finned-tube bundle, discharged after washing away heat exchange by exhanst gas outlet, flue gas passes through the high-temperature energy-conservation of finned tube again
Area and low temperature cold coagulation zone, are finally discharged into air；
Water system：Softened water exchanges heat by low-temperature condenser, and high-temperature energy-conservation device secondary preheating again is arrived after water is preheated, secondary
Water after preheating enters lower header by boiler feed water mouth again, enters upper collecting chamber, carbonated drink by the heating of transversal flow finned-tube bundle
Mixture carries out steam-water separation by device in stove, and separated condensed water then is returned to lower header by independent down-comer, steams
Vapour finally obtains high-quality steam by steam (vapor) outlet；
This kind exempts to use the low nitrogen condensed type combustion gas steam boiler of formality, and 1, compared with tradition exempts from the boiler using formality, should
Type steam boiler is using smooth wall pipe as heat exchanging water pipe, and the utility model is using the water pipe of surface soldered thickness fin as heat exchange
Pipe, heat exchange area adds 2 times under equal length of pipe.So separate unit gas-steam boiler rated capacity has accomplished 800-
1000KG/H.Conventional boiler generally accomplishes 200KG/H, and one product of the utility model can replace four, reduce using field
Ground requirement, during in face of big quantity of steam steam demand, use is more convenient, and purposes is also more extensive.2nd, compared to other Verticle gas
Boiler and steam generator, it is not necessary to the outer water separator of independent stove is installed, individually designed outlet flue condensed water down-comer,
It can effectively realize water Natural Circulation, reduce the salt content that smoke outlet goes out, on the one hand reduce fouling rate, extend product and use the longevity
Life；The opposing party exempts to form Natural Circulation water and boiler heat exchange pipe heat convection, improves the heat exchange efficiency of boiler water tube.And separate
Work well, obtain good steam.3rd, body design ordinary water level water capacity is less than 50L, is using link from TSG《Pot
Stove safety and technical supervision code》Constraint, makes sale and use more convenient, purposes is also more extensive.4th, integral type section is configured
Energy device and condenser, the burning of natural gas have water vapour in the middle, a large amount of high-order of natural gas are discharged during condensation
Calorific value, these heats can be reused for the inflow temperature of preboiler, so that the thermal efficiency of boiler is improved, usually configuration
The boiler efficiency of condenser can configure condenser to more than 99% in gas fired-boiler outlet flue, design exhaust gas temperature to 63 degree,
Heat preheating inflow temperature is discharged after the water vapor condensation allowed in partial fume, so as to improve the thermal efficiency of boiler, saves energy
Source is lost and drop low exhaust gas emission.Solve in the prior art that heat energy utilization is incomplete, exhaust gas discharge is more, makes condensing heat exchanger
Thermal efficiency higher, use are more environmentally-friendly.5th, using full premix metal surface combustion system, nitrogen oxides（NOX）Discharge ＜
30mg/m3, meet the most stringent of requirement of current national requirements for environmental protection, NOXThe most of row for deriving from boiler smoke afterbody of discharge
Put, at present, the flue gas emission NO of most boilers in industryXBe emitted on 150-250mg/m3, effectively reduce NOXDischarge, to environment
Improvement play an important role.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. one kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, including boiler skid platform base（2）Be fixed on boiler skid
Platform base（2）On boiler body（6）, it is characterised in that the boiler body（6）Top be provided with integral energy-saving device and
Condenser（3）With water tank（8）, and the boiler body（6）With integral energy-saving device and condenser（3）Between be connected by pipeline
Connect；The boiler body（6）Side set steam valve is installed（4）And safety valve（10）, boiler body（6）Top installation
There is low NO（5）；The boiler body（6）Side be provided with feed pump（9）, fluid level controller（11）And boiler implosion
Cabinet（12）, the feed pump（9）Water inlet end water tank is connected by water-supply-pipe（8）Water outlet, the feed pump（9）Water outlet
End connects boiler body by water-supply-pipe（6）Water inlet end；The boiler body（6）The side of bottom be provided with independent decline
Pipe（7）, the independent down-comer（7）Both ends connect lower header respectively（17）And upper collecting chamber（15）, the upper collecting chamber（15）One
Side is provided with lower steam-water separator（16）, the lower steam-water separator（16）Top be provided with steam-water separator（18）；Institute
State upper collecting chamber（15）With lower header（17）Between be connected with several vertical pipes（20）, the vertical pipe（20）Outer surface weldering
It is connected to the fin of thickness（13）, and the vertical pipe（20）Fin（13）It is equidistant outside that several smoke deflectors are installed
（14）.
2. one kind according to claim 1 is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, it is characterised in that described
Lower header（17）Side offer water inlet（19）, and the water inlet（19）Connect boiler body（6）Water outlet.
3. one kind according to claim 1 is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, it is characterised in that described
Boiler skid platform base（2）Top be provided with chimney（1）.
4. one kind according to claim 1 is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, it is characterised in that described
Water tank（8）With integral energy-saving device and condenser（3）It is connected.
5. one kind according to claim 1 is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, it is characterised in that described
Upper collecting chamber（15）And lower header（17）It is that ring-type is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276092.1U CN207262407U (en) | 2017-09-30 | 2017-09-30 | One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276092.1U CN207262407U (en) | 2017-09-30 | 2017-09-30 | One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality |
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| Publication Number | Publication Date |
|---|---|
| CN207262407U true CN207262407U (en) | 2018-04-20 |
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| CN201721276092.1U Active CN207262407U (en) | 2017-09-30 | 2017-09-30 | One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278915A (en) * | 2021-09-27 | 2022-04-05 | 安徽热井节能科技有限公司 | Novel inspection-free steam generator |
| CN114738718A (en) * | 2022-04-14 | 2022-07-12 | 菏泽旭阳锅炉设备有限公司 | 2T tubular low-nitrogen condensation steam boiler |
-
2017
- 2017-09-30 CN CN201721276092.1U patent/CN207262407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278915A (en) * | 2021-09-27 | 2022-04-05 | 安徽热井节能科技有限公司 | Novel inspection-free steam generator |
| CN114738718A (en) * | 2022-04-14 | 2022-07-12 | 菏泽旭阳锅炉设备有限公司 | 2T tubular low-nitrogen condensation steam boiler |
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