CN208443047U - Low nitrogen condenses stainless steel hot homogeneous solution-type reactor - Google Patents

Low nitrogen condenses stainless steel hot homogeneous solution-type reactor Download PDF

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Publication number
CN208443047U
CN208443047U CN201821004317.2U CN201821004317U CN208443047U CN 208443047 U CN208443047 U CN 208443047U CN 201821004317 U CN201821004317 U CN 201821004317U CN 208443047 U CN208443047 U CN 208443047U
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China
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heat exchanger
water chamber
stainless steel
burner hearth
homogeneous solution
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CN201821004317.2U
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Chinese (zh)
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朱林奇
金乐乐
张克磊
金光荣
郑浩
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Hangzhou Automotive Technology Co Ltd
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Hangzhou Automotive Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

This application involves a kind of low nitrogen to condense stainless steel hot homogeneous solution-type reactor, including water chamber, it is characterized in that being provided with the burner hearth arranged from top to bottom, first-class heat exchanger, B-grade condensation heat exchanger, fFlue gas collector, the cylindrical space of horizontal direction composed by the inner ring that the outer ring and light pipe that the burner hearth is surrounded by burner hearth spiral fin coil are surrounded, the first-class heat exchanger is the rectangular array being made of first-class heat exchanger spiral fin coil, the B-grade condensation heat exchanger is the rectangular array being made of B-grade condensation heat exchanger helical finned tube, the water chamber includes front water chamber and rear water chamber, burner hearth is passed through by pipeline between front water chamber and rear water chamber, first-class heat exchanger, the connection of B-grade condensation heat exchanger.The component being related in the application is all made of stainless steel material, and main heat exchange element is Laser Welding spiral fin coil.The application is energy-efficient, and occupied area is small, and NOx emission is lower than 30mg/m3, and safety stability is high, can be used for needing to use occasion of the hot water as outside heat exchange medium.

Description

Low nitrogen condenses stainless steel hot homogeneous solution-type reactor
Technical field
This application involves a kind of low nitrogen to condense stainless steel hot homogeneous solution-type reactor, for needing to use hot water as outside heat exchange medium Occasion, such as heating, domestic hot-water supply.
Background technique
The common hot-water boiler technology in the country mainly include the following types:
1. traditional fume tube type shell boiler, using extensive, but the thermal efficiency is not high, generally below 95%;Using conventional gun Formula burner, NOx emission are high;Boiler volume is big, takes up a large area;Boiler needs thicker insulating layer, and many producers use Virose thermal insulation material, not environmentally;Back-end surfaces are poor using carbon steel or ND steel, Corrosion Protection.
2. cast aluminium condensation hot-water boiler uses surface to burn compared with conventional boiler, NOx emission is very low, boiler thermal effect Rate is high;But there is columnar bump when air or more combustion gas impurity in flue, flue is easy blocking.The main material of its heating surface Matter is cast aluminium, and due to the limitation of domestic manufacturing process, the ratio of defects of cast aluminium itself is higher, the raised structures rapid wear in flue It is bad.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical issues of the application solves, is to provide a kind of low nitrogen condensation stainless steel Hot-water boiler, the hot-water boiler energy conservation and environmental protection, occupied area is small, while safety stability is high.
Technical solution used by the above-mentioned technical problem that the application solves is:
A kind of low nitrogen condensation stainless steel hot homogeneous solution-type reactor, including water chamber, it is characterised in that: be provided with the furnace arranged from top to bottom Thorax, first-class heat exchanger, B-grade condensation heat exchanger, fFlue gas collector, the outer ring that the burner hearth is surrounded by burner hearth spiral fin coil The cylindrical space of horizontal direction composed by the inner ring surrounded with light pipe, the first-class heat exchanger are by first-class heat exchanger spiral shell The rectangular array of finned tube composition is revolved, the B-grade condensation heat exchanger is the square being made of B-grade condensation heat exchanger helical finned tube Shape array, the water chamber include front water chamber and rear water chamber, are exchanged heat by pipeline by burner hearth, level-one between front water chamber and rear water chamber Device, the connection of B-grade condensation heat exchanger.
Burner hearth spiral fin coil two sides are folded edges, and two flangings have angle, and angle vertex is at burner hearth center On line.
It is staggered in arrangement between the first-class heat exchanger spiral fin coil adjacent layer, first-class heat exchanger spiral fin coil material is Stainless steel, the fin of first-class heat exchanger spiral fin coil and the connection type of pipe are Laser Welding.
It is staggered in arrangement between the B-grade condensation heat exchanger helical finned tube adjacent layer, B-grade condensation heat exchanger helical fin Tubing matter is the strong stainless steel of acid corrosion-resistant performance, and the fin of B-grade condensation heat exchanger and the connection type of pipe are Laser Welding.
The pipeline includes light pipe, burner hearth spiral fin coil, first-class heat exchanger spiral fin coil, B-grade condensation heat exchanger spiral shell Finned tube is revolved, partition is provided in the water chamber, for water flow to be divided into several circuits.
Flue gas after burner combustion from top to bottom successively washes away light pipe, burner hearth spiral fin coil, first-class heat exchanger, second level Condensing heat exchanger, so that flue gas is by upper and lower flowing.Cold water (return water) in order followed by the B-grade condensation heat exchanger, First-class heat exchanger, burner hearth, so that water side is by lower and upper flowing.Therefore flue gas and water flow are counter-flow arrangement on the whole.
The application is additionally provided with sealing plate, and sealing plate is inverted U-shaped structure, covers on light pipe, burner hearth spiral fin coil, first-class heat exchanger Outside spiral fin coil, B-grade condensation heat exchanger helical finned tube.
The application is additionally provided with outsourcing, and outsourcing is the shell knot that low nitrogen condenses the outermost protective of stainless steel hot homogeneous solution-type reactor Structure, air interlayer is as insulating layer between the outsourcing and sealing plate.
Combustion port is set among the furnace front, and the rear water chamber top is provided with outlet pipe, rear water chamber lower part It is provided with return pipe.
Compared to the prior art, the application has the following advantages:
1, combustion system is using the burning of full premix surface, and combustion flame dispersion, temperature is low, and NOx content is few.
2, size of burner hearth is sufficiently large, and residence time of the flue gas in burner hearth is long, so that CO content is low, while big chamber design Keep temperature in burner hearth lower and uniform, so that NOx content reduces.
3, burner hearth outer ring finned tube is folded edges, and the flue-gas temperature for flowing through the finned tube sharply declines, so that sealing plate 100 DEG C of the temperature < on surface, thus entire boiler is not required to thermal insulation material, the air interlayer between sealing plate and outsourcing can be kept the temperature Layer.
4, from top to bottom, from bottom to top, counter-flow arrangement, heat transfer temperature and pressure maximize water flow flue gas, and required heat exchange area is reduced, Heat exchange equipment volume reduces.
5, first-class heat exchanger and B-grade condensation heat exchanger heat exchange element are all made of Laser Welding stainless steel spiral finned tube, laser Fin and the base tube fusion degree for welding spiral fin coil are good, and heat-transfer effect is high, and in the case where identical heat exchange power, equipment can To be made more small and exquisite.
6, heat exchange element and other structures part are all made of stainless steel making, and antiseptic property is good, long service life.
7, spiral fin coil fin is laminated structure, and when impurity is more in air or combustion gas, flue is also not easy to block.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present application.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural schematic diagram of the embodiment of the present application burner hearth spiral fin coil.
In figure: 1- front water chamber, 2- front tube sheet, 3- combustion port, 4- partition, 5- fFlue gas collector, 6- back tube sheet, 7- go out Water pipe, water chamber after 8-, 9- burner hearth spiral fin coil, 10- light pipe, 11- sealing plate, 12- first-class heat exchanger spiral fin coil, 13- bis- Grade condensing heat exchanger spiral fin coil, 14- return pipe, 15- outlet flue, 16- outsourcing, 17- condensate water discharging mouth, 18- base tube, 19- fin.
Specific embodiment
The application is described in further detail With reference to embodiment.
Referring to FIG. 1 to FIG. 4, before a left side is in Fig. 1, after the right side is.
The low nitrogen of the present embodiment condenses stainless steel hot homogeneous solution-type reactor, using full premix surface combustion burner, including arranges from top to bottom Burner hearth, first-class heat exchanger, B-grade condensation heat exchanger, fFlue gas collector and water chamber, sealing plate 11, outsourcing 16 etc..
The burner hearth is arranged horizontally (hollow) cylindrical, is made of inside and outside two circles pipe.Inner ring is light pipe 10, outer ring For burner hearth spiral fin coil 9.The two circles pipe material is all stainless steel.As shown in figure 4,9 liang of the burner hearth spiral fin coil Side is folded edges, and two flangings have angle α (quantity that angle α is approximately equal to 360 divided by a circle burner hearth spiral fin coil 9), folder Angular vertex forms the round center of circle by 9 circular arrangement of burner hearth spiral fin coil (on burner hearth center line).The burner hearth spiral wing Piece pipe 9 and 10 both ends of light pipe are welded to connect with front tube sheet 2, back tube sheet 6 respectively, before 9 cross section of burner hearth spiral fin coil is by being connected to Fin 19 is set with outside the base tube 18 of water chamber 1 and rear water chamber 8 to constitute.
Uniformly (angle between arbitrary neighborhood light pipe 10 and burner hearth center line is identical by identical light pipe 10 for the application inner ring Apart from identical) it is constituted around burner hearth center line, gap having the same between the light pipe 10 of arbitrary neighborhood, outer ring is by identical furnace Thorax spiral fin coil 9 is uniformly (the angle same distance between arbitrary neighborhood burner hearth spiral fin coil 9 and burner hearth center line is identical) It is constituted around burner hearth center line, the gap having the same for flue gas circulation between the burner hearth spiral fin coil 9 of arbitrary neighborhood.
The first-class heat exchanger is arranged in lower furnace portion, for the first-class heat exchanger for the Laser Welding stainless steel that three rows are staggered in arrangement Spiral fin coil 12,12 both ends of first-class heat exchanger spiral fin coil are welded to connect with front tube sheet 2, back tube sheet 6 respectively.
The B-grade condensation heat exchanger is arranged in first-class heat exchanger lower part, is the Laser Welding stainless steel that three rows are staggered in arrangement B-grade condensation heat exchanger helical finned tube 13,13 both ends of B-grade condensation heat exchanger helical finned tube respectively with front tube sheet 2, after Tube sheet 6 is welded to connect.
The water chamber includes front water chamber 1 and rear water chamber 8, and water chamber is welded mutually by stainless steel plate, and is respectively welded solid It is scheduled on front tube sheet 2 and back tube sheet 6, there is partition 4 in the water chamber, water flow is divided into several roads.8 top of water chamber is provided with after described Outlet pipe 7, lower part are provided with return pipe 14.
The sealing plate 11 is the stainless steel plate of inverted U-shaped structure, and burner hearth, first-class heat exchanger and B-grade condensation heat exchanger are wrapped up Inside, 11 both ends of sealing plate are welded to connect with front tube sheet 2 and back tube sheet 6 respectively, form remaining closed cigarette of lower openings Flow channel.
The fFlue gas collector 5 is bucket-shaped structure, is welded by stainless steel plate bending, is arranged in B-grade condensation heat exchanger Lower section is welded to connect with front tube sheet 2 and back tube sheet 6 and sealing plate 11.The rear portion of the fFlue gas collector 5 is provided with outlet flue 15. The lowest point of the fFlue gas collector 5 is provided with condensate water discharging mouth 17.
The outsourcing 16 is the shell mechanism of outermost protective, and air interlayer is made between the outsourcing 16 and sealing plate 11 For insulating layer.
It is further to note that the specific embodiments described in this specification, the shape of parts and components are named Title etc. can be different, and above content is only to the application structure example explanation described in this specification.It is all according to The equivalence changes or simple change done according to structure, feature and principle described in the application inventional idea, are included in this Shen It please be in the protection scope of patent.The application person of ordinary skill in the field can do described specific embodiment various The mode that the modify or supplement or adopt of various kinds is similar substitutes, and structure without departing from the application or surmounts present claims Range defined in book should belong to the protection scope of the application.

Claims (10)

1. a kind of low nitrogen condenses stainless steel hot homogeneous solution-type reactor, including water chamber, it is characterised in that: be provided with the furnace arranged from top to bottom Thorax, first-class heat exchanger, B-grade condensation heat exchanger, fFlue gas collector, the outer ring that the burner hearth is surrounded by burner hearth spiral fin coil The cylindrical space of horizontal direction composed by the inner ring surrounded with light pipe, the first-class heat exchanger are by first-class heat exchanger spiral shell The rectangular array of finned tube composition is revolved, the B-grade condensation heat exchanger is the square being made of B-grade condensation heat exchanger helical finned tube Shape array, the water chamber include front water chamber and rear water chamber, are exchanged heat by pipeline by burner hearth, level-one between front water chamber and rear water chamber Device, the connection of B-grade condensation heat exchanger.
2. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the burner hearth spiral fin coil Two sides are folded edges, and two flangings have angle, and angle vertex is on burner hearth center line.
3. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the first-class heat exchanger spiral It is staggered in arrangement between finned tube adjacent layer, first-class heat exchanger spiral fin coil material is stainless steel, first-class heat exchanger helical fin The fin of pipe and the connection type of pipe are Laser Welding.
4. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the B-grade condensation heat exchanger It is staggered in arrangement between spiral fin coil adjacent layer, B-grade condensation heat exchanger helical finned tube material is that acid corrosion-resistant performance is strong not Become rusty steel, and the fin of B-grade condensation heat exchanger and the connection type of pipe are Laser Welding.
5. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the pipeline include light pipe, Burner hearth spiral fin coil, first-class heat exchanger spiral fin coil, B-grade condensation heat exchanger helical finned tube are provided in the water chamber Partition, for water flow to be divided into several circuits.
6. low nitrogen according to claim 1 or 2 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the burner hearth spiral wing Piece pipe is constituted by being set with fin outside the base tube of connection front water chamber and rear water chamber.
7. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: the flue gas after burner combustion From top to bottom successively wash away light pipe, burner hearth spiral fin coil, first-class heat exchanger, B-grade condensation heat exchanger;Return water is introduced into second level Condensing heat exchanger enters back into first-class heat exchanger, finally enters burner hearth.
8. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: be additionally provided with sealing plate, sealing plate For inverted U-shaped structure, light pipe, burner hearth spiral fin coil, first-class heat exchanger spiral fin coil, B-grade condensation heat exchanger helical wing are covered on Outside piece pipe.
9. low nitrogen according to claim 8 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: be additionally provided with outsourcing, outsourcing The shell mechanism that the outermost protective of stainless steel hot homogeneous solution-type reactor is condensed for low nitrogen, air interlayer is made between the outsourcing and sealing plate For insulating layer.
10. low nitrogen according to claim 1 condenses stainless steel hot homogeneous solution-type reactor, it is characterised in that: among the furnace front Combustion port is set, and the rear water chamber top is provided with outlet pipe, and rear water chamber lower part is provided with return pipe.
CN201821004317.2U 2018-06-28 2018-06-28 Low nitrogen condenses stainless steel hot homogeneous solution-type reactor Active CN208443047U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821004317.2U CN208443047U (en) 2018-06-28 2018-06-28 Low nitrogen condenses stainless steel hot homogeneous solution-type reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821004317.2U CN208443047U (en) 2018-06-28 2018-06-28 Low nitrogen condenses stainless steel hot homogeneous solution-type reactor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021057677A1 (en) * 2019-09-23 2021-04-01 苏州威博特能源环保科技有限公司 Condensing boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021057677A1 (en) * 2019-09-23 2021-04-01 苏州威博特能源环保科技有限公司 Condensing boiler

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