CN107631285A - 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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- CN107631285A CN107631285A CN201710917297.1A CN201710917297A CN107631285A CN 107631285 A CN107631285 A CN 107631285A CN 201710917297 A CN201710917297 A CN 201710917297A CN 107631285 A CN107631285 A CN 107631285A
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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 invention 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 be used as heat exchanging water pipe using smooth wall pipe, and the present invention uses the water pipe of surface soldered thickness fin, and as heat exchanger tube, heat exchange area adds 2 times under equal length of pipe；This kind of boiler can improve service life, conversion efficiency is also improved；Steam-water separation effect is good, obtains high-quality steam；Easy to use, use range 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
The present invention relates to a kind of gas-steam boiler, and in particular to one kind is exempted to use the low nitrogen condensed type combustion gas steam copper of formality
Stove.
Background technology
Current existing gas fired-boiler shortcoming and defect：
According to country《Pot rule》It is required that at present in industry most manufacturer productions the combustion and steam pot that need not be handled using formality
Stove separate unit nominal steam amount ＜ 200KG/H, gas-steam boiler more than 200KG/H need to handle using registering, need to operate
Personnel take appointment with certificate, want periodic inspection.Separate unit nominal steam amount 200KG/H yield is too small, can not meet user Geng Gao steam
Amount demand.If using the boiler for needing inspection declaration, boiler take up an area it is big, in using area, user of service and using being brought in formality
Many limitations, while also increase equipment use cost and long-term management cost.
Domestic haze weather is serious, and the major gaseous component for influenceing PM2.5 is nitrogen oxides（NOX）.As country is to ring
Guaranteed request improves constantly, to controlling NOXDischarge it is more and more stricter, NOXThe most of row for deriving from boiler smoke afterbody of discharge
Put, at present, the fume 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, the gas-steam boiler exhaust gas temperature of high-temperature energy-conservation device is not installed typically at 290 DEG C, thermal efficiency ＜ 86%；Installation energy-conservation
Device does not install the exhaust gas temperature of condenser typically at 130 DEG C, thermal efficiency ＜ 92%.Relative heat efficiency is low, wastes the energy, and
More fume emissions are brought, cause bigger environmental pollution.
The content of the invention
The present invention provides one kind and exempts to use the low nitrogen condensed type combustion gas steam boiler of formality, solves asking in background technology
Topic.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
One kind of the present invention exempts to use the low nitrogen condensed type combustion gas steam boiler of formality, including boiler skid platform base and is fixed on boiler skid
Boiler body on platform base, integral energy-saving device and condenser and water tank are provided with above the boiler body, and it is described
It is connected between boiler body and integral energy-saving device and condenser by pipeline；The side of the boiler body sets and is provided with
Steam valve and safety valve, low NO is installed at the top of boiler body；The side of the boiler body be provided with feed pump,
Fluid level controller and boiler implosion cabinet, the water inlet end of the feed pump connect the delivery port of water tank, the feedwater by water-supply-pipe
The water side of pump connects the water inlet end of boiler body by water-supply-pipe；The side of the bottom of the boiler body is provided with independence
Drop pipe, 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 provided with lower carbonated drink point
From device, steam-water separator is provided with above the lower steam-water separator；If it is connected between the upper collecting chamber and lower header
Dry vertical pipe, the outer surface of the vertical pipe are welded with the fin of thickness, and equidistant installation outside the fin of the vertical pipe
There are several smoke deflectors.
As a preferred technical solution of the present invention, the side of the lower header offers water inlet, and the water inlet
Connect the delivery port of boiler body.
As a preferred technical solution of the present invention, the top of the boiler skid platform base is provided with chimney.
As a preferred technical solution of the present invention, the water tank is connected with integral energy-saving device and condenser.
As a preferred technical solution of the present invention, the upper collecting chamber and lower header are that ring-type is set.
The beneficial effect that is reached of the present invention 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, the present invention
Using the water pipe of surface soldered thickness fin as heat exchanger tube, 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 typically accomplishes 200KG/H, one production of the invention
Product can replace four, reduce using area requirement, during in face of big quantity of steam steam demand, use is more convenient, purposes
It is 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, water Natural Circulation can be effectively realized, reduce the salt content that exhaust opening 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, obtain high-quality steam.
3rd, body design ordinary water level water capacity is less than 50L, is using link not by 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 generally 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, save energy loss and drop low exhaust gas emission.Solve in the prior art that heat energy utilization is incomplete, waste gas
Discharge more, make that the condensing heat exchanger thermal efficiency is higher, and 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 fume emission NO of boilerXBe emitted on 150-250mg/m3, effectively reduce NOXDischarge, the improvement to environment serves important
Effect.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
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 present invention；
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 present invention；
Fig. 3 is a kind of top view for exempting from the vertical pipe using the low nitrogen condensed type combustion gas steam boiler of formality of the present invention；
In figure：1st, chimney；2nd, boiler skid platform base；3rd, integral energy-saving device and condenser；4th, steam valve；5th, low NO；
6th, boiler body；7th, independent down-comer；8th, water tank；9th, feed pump；10th, safety valve；11st, fluid level controller；12nd, boiler implosion
Cabinet；13rd, fin；14th, smoke deflector；15th, upper collecting chamber；16th, lower steam-water separator；17th, lower header；18th, upper steam-water separator；
19th, water inlet；20th, vertical pipe.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment：As Figure 1-3, one kind of the present invention is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality, including pot
Stove sled platform base 2 and the boiler body 6 being fixed on boiler skid platform base 2, the structure of boiler body 6 is in upper and lower annular header
The vertical water pipe that both ends are collapsed is arranged in two loops, vertical pipe 20 uses finned tube, and this design expands combustion chamber,
And the swept area of heat transfer is greatly improved in finned tube, is changed along 360 ° of water pipe radiation circulations to arrangement fume balanced
Heat, reduce flue gas circulation area with gas baffle between every two tubes of outer race tube, so as to accelerate flue gas flow rate and improve
Convection heat transfer' heat-transfer by convection, finally flow to the outlet flue at rear portion；The top of boiler body 6 be provided with integral energy-saving device and condenser 3 with
Water tank 8, and be connected between boiler body 6 and integral energy-saving device and condenser 3 by pipeline；The side of boiler body 6 is set
Put and steam valve 4 and safety valve 10 are installed, the top of boiler body 6 is provided with low NO 5；The side of boiler body 6 is set
Feed pump 9, fluid level controller 11 and boiler implosion cabinet 12 are equipped with, the water inlet end of feed pump 9 connects going out for water tank 8 by water-supply-pipe
The mouth of a river, the water side of feed pump 9 connect the water inlet end of boiler body 6 by water-supply-pipe；The side of the bottom of boiler body 6 is set
There is independent down-comer 7, the both ends of the independent down-comer 7 connect lower header 17 and upper collecting chamber 15 respectively, and the side of upper collecting chamber 15 is set
Lower steam-water separator 16 is equipped with, the top of lower steam-water separator 16 is provided with steam-water separator 18；Upper collecting chamber 15 and lower header
Several vertical pipes 20 are connected between 17, the outer surface of the vertical pipe 20 is welded with the fin 13 of thickness, and the vertical tube
It is equidistant outside the fin 13 in road 20 that several smoke deflectors 14 are installed, upper collecting chamber 15 is evaporated to after water in stove is heated,
Steam water interface in upper collecting chamber 15 flow to lower header 17 after steam-water separator separation in stove by the independent down-comer 7 of outside,
Steam quality is improved so as to form water outer loop, solves the problem of water entrained by steam, and then reduces the loss of the energy, is not had
To form the water circulation exit part water rapid concentration that can cause to discharge fume be steam, the high easy incrusted problem of salt content in water,
Individually designed independent condensed water down-comer, water Natural Circulation can be effectively realized, reduce the salt content that exhaust opening goes out.
The side of lower header 17 offers water inlet 19, and the delivery port 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 blower fan into mixed combustion in boiler body, and 360 degree of directions of flue gas are radially
By transversal flow finned-tube bundle, discharged after washing away heat exchange by exhanst gas outlet, flue gas again by finned tube high-temperature energy-conservation area and
Low temperature cold coagulation zone, is finally discharged into air；
Water system：Softened water is exchanged heat by low-temperature condenser, and high-temperature energy-conservation device secondary preheating again, secondary preheating are arrived after water is preheated
Water afterwards enters lower header by boiler feed water mouth again, enters upper collecting chamber, steam-water mixing by the heating of transversal flow finned-tube bundle
Thing carries out steam-water separation by device in stove, the condensed water of separation then is returned into lower header by independent down-comer, steam is most
High-quality steam is obtained by steam (vapor) outlet afterwards；
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, the type
Steam boiler is using smooth wall pipe as heat exchanging water pipe, and the present invention uses the water pipe of surface soldered thickness fin as heat exchanger tube, same
2 times are added Deng heat exchange area under length of pipe.So separate unit gas-steam boiler rated capacity has accomplished 800-1000KG/
H.Conventional boiler typically accomplishes 200KG/H, and one product of the invention can replace four, reduces using area requirement, faces
During big quantity of steam steam demand, use is more convenient, and purposes is also more extensive.2nd, sent out compared to other vertical gas boilers and steam
Raw device, it is not necessary to install the outer water separator of independent stove, individually designed outlet flue condensed water down-comer can be effectively real
Existing water Natural Circulation, the salt content that exhaust opening goes out is reduced, on the one hand fouling rate is reduced, extends product service life；The opposing party exempts from
Natural Circulation water and boiler heat exchange pipe heat convection are formed, improves the heat exchange efficiency of boiler water tube.And good separation, obtain
Obtain high-quality steam.3rd, body design ordinary water level water capacity is less than 50L, is using link not by TSG《Boiler safety technology is supervised
Examine code》Constraint, makes sale and use more convenient, purposes is also more extensive.4th, integral energy-saving device and condenser are configured,
There is water vapour among the burning of natural gas, a large amount of high-order calorific values of natural gas are discharged during condensation, these
Heat can be reused for the inflow temperature of preboiler, so as to improve the thermal efficiency of boiler, generally configure the boiler of condenser
Efficiency can configure condenser to more than 99% in gas fired-boiler outlet flue, and design exhaust gas temperature allows in partial fume to 63 degree
Water vapor condensation after discharge heat preheating inflow temperature, so as to improve the thermal efficiency of boiler, save energy loss and reduction
Waste gas discharges.Solving in the prior art that heat energy utilization is incomplete, waste gas discharge is more, makes the condensing heat exchanger thermal efficiency higher,
Using more environmentally-friendly.5th, using full premix metal surface combustion system, nitrogen oxides（NOX）Discharge ＜ 30mg/m3, meet to work as
The preceding most stringent of requirement of national requirements for environmental protection, NOXThe most of discharge for deriving from boiler smoke afterbody of discharge, at present, industry
The fume emission NO of interior most boilersXBe emitted on 150-250mg/m3, effectively reduce NOXDischarge, the improvement to environment serve
Important effect.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
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）Delivery port, 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）Delivery port.
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 |
|---|---|---|---|
| CN201710917297.1A CN107631285A (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 |
|---|---|---|---|
| CN201710917297.1A CN107631285A (en) | 2017-09-30 | 2017-09-30 | One kind is exempted to use the low nitrogen condensed type combustion gas steam boiler of formality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107631285A true CN107631285A (en) | 2018-01-26 |
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ID=61103992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917297.1A Pending CN107631285A (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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| CN (1) | CN107631285A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN201710917297.1A patent/CN107631285A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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