CN109578966A - A kind of heat pipe evaporator - Google Patents
A kind of heat pipe evaporator Download PDFInfo
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- CN109578966A CN109578966A CN201811471705.6A CN201811471705A CN109578966A CN 109578966 A CN109578966 A CN 109578966A CN 201811471705 A CN201811471705 A CN 201811471705A CN 109578966 A CN109578966 A CN 109578966A
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- Prior art keywords
- collecting chamber
- boiler
- heat pipe
- generator
- furnace body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 44
- 239000003546 flue gas Substances 0.000 claims description 37
- 239000003517 fume Substances 0.000 claims description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 34
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The present invention relates to steam generation facilities, especially a kind of heat pipe evaporator, including boiler, generator, burner, the fire end of burner is put in the burner hearth of boiler, boiler is connected with generator, heat pipe is equipped in generator, primary side channel is formed outside heat pipe, secondary wing passage is formed in heat pipe, medium in wing passage carries out heat with the medium in secondary wing passage and exchanges, wing passage of boiler and generator connects to form primary side circulation loop, primary side circulation loop vacuum tightness, the minimum liquid level of wing passage is higher than the highest liquid level of boiler, utilize the height difference in a wing passage between liquid level and boiler liquid level, guarantee in primary side circulation loop, aqueous solution in generator can be in the case where no water pump provides power, still it may return in boiler, to avoid extraneous oxic gas Body sucks primary side water-flow circuit, the service life of prolonged boiler.
Description
Technical field
The present invention relates to steam generation facility, especially a kind of heat pipe evaporator.
Background technique
The generally existing high failure rate of steam generator in the market, the problems such as service life is short, and cause both of these problems
The main reason for it is small for steam generator water capacity, water level is difficult control and stablizes, and the interference of frequent glitch causes electric appliance false alarm；
Conventional steam generators are high to water quality requirement, are easy because of the failure that scale problem causes steam generator to generate unrepairable.
Such as the Chinese patent of Publication No. CN 202149475U discloses a kind of heat pipe evaporator, including steams
Room, combustion chamber occur for vapour, wherein heat pipe are equipped in steam generation room, the heating end of heat pipe protrudes into combustion chamber.This application exists
Following problems: combustion chamber dry combustion method in order to prevent, although this application is monitored using dry-burning preventing sensor and is fed back to central controller
Water level conditions in steam generation room, but water level control process is complex；This application prevents steam from sending out by antiscale magnesium bar
Raw interior formation scale, but the effect for installing magnesium bar is mainly used to anticorrosion, the effect of scale removal is not obvious, therefore the Shen
Please steam generator there are still scale problem, scale will shorten service life of equipment；This application does not carry out the flue gas of discharge
Processing causes discharge flue gas to be unable to reach low nitrogen standard；The volume of heat pipe evaporator is larger in this application, internal structure
It is complex, it is difficult to promote in the market.
Summary of the invention
The purpose of the present invention is to solve conventional heat pipe formula steam generator water level control hardly possible, it is also easy to produce scale, discharge
NO in flue gasXThe problem that content is high and heat pipe evaporator volume is larger, provides a kind of heat pipe evaporator.
To realize the above-mentioned technical purpose, the invention adopts the following technical scheme:
A kind of heat pipe evaporator, including boiler, generator, burner, the fire end of the burner put in institute
It states in the burner hearth of boiler, the boiler is connected with the generator, and heat pipe is equipped in the generator, forms one outside the heat pipe
Secondary wing passage, the heat pipe is interior to form secondary wing passage, in the medium and the secondary wing passage in a wing passage
Medium carries out heat exchange, and the boiler connect to form primary side circulation loop with a wing passage of the generator, described
Primary side circulation loop vacuum tightness, the highest liquid level that the minimum liquid level of a wing passage is higher than the boiler are high
Degree.
Further, the boiler includes steam (vapor) outlet and water inlet, and the generator includes a side-entrance, primary side
Outlet, secondary side-entrance and secondary side outlet, the steam (vapor) outlet are connected by a side-entrance of steam pipe and the generator
Logical, a side outlet is connected to by condenser pipe with the water inlet, the secondary side-entrance pass through the heat pipe with it is described
Secondary side outlet.
Further, the side of the burner hearth is furnace body, and the lower section of the furnace body is equipped with the first collecting chamber, first collection
Water chamber is connected to the water inlet of the boiler, and the second collecting chamber is equipped with above the furnace body, and second collecting chamber is connected to the pot
The steam (vapor) outlet of furnace.
Further, be equipped with heat exchange pipeline in the furnace body, first collecting chamber by the heat exchange pipeline with it is described
The connection of second collecting chamber, is additionally provided with the first exhanst gas outlet in the furnace body, and high-temperature flue gas passes through after the heat exchange pipeline from described
The discharge of first exhanst gas outlet.
Further, heat exchange sleeve is equipped in the furnace body, the heat exchange sleeve is made of inner tube and outer tube, said inner tube
It is water stream channel, the fume afterheat channel and the furnace body tail between said inner tube and the outer tube for fume afterheat channel
Portion's connection, the intracorporal high-temperature flue gas of furnace and the water in the common flow heated water channel of flue gas in fume afterheat channel.
Further, the lower section of first collecting chamber is equipped with the first fume collecting chamber, the tail portion of the furnace body and described first
Fume collecting chamber connection, high-temperature flue gas pass through the heat exchange sleeve after, by furnace body tail portion enter first fume collecting chamber, described second
The top of collecting chamber is equipped with the second fume collecting chamber, and first fume collecting chamber passes through the fume afterheat channel and second fume collecting chamber
Connection.
Further, second fume collecting chamber is equipped with the second exhanst gas outlet, and flue gas is after the completion of said inner tube exchanges heat from institute
State the discharge of the second exhanst gas outlet.
Further, first collecting chamber is connected to by the water stream channel with second collecting chamber.
It further, further include controller, the generator is one or more, and controller controls each generator
Outlet pressure.
Further, the heat pipe material is stainless steel or titanium alloy.
Compared with the prior art, the invention has the following advantages:
One, using the height difference in a wing passage between liquid level and boiler liquid level, guarantee in primary side circulation loop, send out
Aqueous solution in raw device can still may return in boiler, in the case where no water pump provides power to avoid extraneous oxygen
Change gas and sucks primary side water-flow circuit, the service life of prolonged boiler；Meanwhile by being circularly set primary side for vacuum
Closed, primary side recirculated water not will increase will not reduce in use, without carrying out water level control；
Two, primary side recirculated water is that evaporative condenser physical change is occurring for the same water always, and water quality will not occur any
Change, non flouling behaviour in boiler, prolonged boiler service life；
Three, cooling processing is carried out to burning gases first, the NOx content generated after mixed gas burning can be effectively reduced；
Four, by the way that the volume of heat pipe evaporator can be reduced by boiler and the integrated setting of generator, and
Reduce water capacity, therefore without risk of explosion.
Detailed description of the invention
Fig. 1 is the heat pipe evaporator structure chart of the embodiment of the present invention one；
Fig. 2 is Fig. 1 burner hearth and furnace body flexible innerduct structure figure；
Fig. 3 is that the embodiment of the present invention one contains multiple generator architecture figures；
Fig. 4 is the heat pipe evaporator structure chart of the embodiment of the present invention two；
Fig. 5 is Fig. 4 burner hearth and furnace body inner housing pipe structure chart；
Fig. 6 is that the embodiment of the present invention two contains multiple generator architecture figures.
In figure: 1- boiler, 11- burner hearth, 12- steam (vapor) outlet, 13- water inlet, 120- furnace body, 141- cooling pipeline, 1411-
First pipe gap, the steady flame tube road 142-, 1421- second pipe gap, 143- heat exchange pipeline, 151- cool down casing, 1511- the
Sleeve gap, the steady flame casing of 152-, the second casing of 1521- gap, 153- heat exchange sleeve, 154- inner tube, 155- outer tube, 16-
First collecting chamber, the second collecting chamber of 17-, the first fume collecting chamber of 18-, the second fume collecting chamber of 19-, 2- generator, 21- heat pipe, 22- are primary
Side-entrance, side outlet of 23-, bis- side-entrances of 24-, bis- side outlets of 25-, 3- burner, 4- steam pipe, 5- condenser pipe,
The first exhanst gas outlet of 6-, the second exhanst gas outlet of 7-.
Specific embodiment
Below by specific embodiment the technical scheme of the present invention will be further described explanation.
Embodiment one
The present embodiment provides a kind of heat pipe evaporators, as shown in Figure 1, including boiler 1, generator 2, burner 3,
The fire end of burner 3 is put in the burner hearth 11 of boiler 1, and boiler 1 is connected with generator 2, and heat pipe 21, heat are equipped in generator 2
Primary side channel is formed outside pipe 21, forms secondary wing passage in heat pipe 21, in the medium and secondary wing passage in a wing passage
Medium carry out heat exchange.Boiler 1 connect to form primary side circulation loop with a wing passage of generator 2, and primary side follows
Loop back path vacuum tightness.The minimum liquid level of wing passage is higher than the highest liquid level of boiler 1.
Using the height difference in a wing passage between 1 liquid level of liquid level and boiler, guarantee in primary side circulation loop, occurs
Aqueous solution in device 2 can still may return in boiler 1 in the case where no water pump provides power.Primary side circulation loop
It is not provided with circulating pump, extraneous oxidizing gas is can be avoided and is sucked in circulation loop by circulating pump.Compared with prior art, this reality
It applies primary side circulation loop in example and is not provided with water circulating pump, therefore the entrance of oxidizing gas can be avoided completely, guarantee primary
The vacuum degree of side circulation loop, to prevent oxidizing gas from causing oxidation corrosion, 1 service life of prolonged boiler to boiler 1.
Medium outside heat pipe 21 is the water vapour that the water in boiler 1 or the composite solution based on water are formed.Heat pipe 21
Interior medium is water without any requirement, can be clean distilled water, is also possible to the higher underground water of hardness.Primary side is logical
Heat is carried out while medium and the mutually isolated medium in secondary wing passage in road again to exchange, the medium in a wing passage
The heat that burner 3 discharges indirectly is passed to the medium in secondary wing passage.
Boiler 1 includes steam (vapor) outlet 12 and water inlet 13, and generator 2 includes a side-entrance 22, a side outlet 23, two
Secondary side-entrance 24 and secondary side outlet 25.Steam (vapor) outlet 12 is connected to by steam pipe 4 with a side-entrance 22 of generator 2, and one
Secondary side outlet 23 is connected to by condenser pipe 5 with water inlet 13, and secondary side-entrance 24 is connected to by heat pipe 21 with secondary side outlet 25.
The side of burner hearth 11 is furnace body 120, and the lower section of furnace body 120 is equipped with the first collecting chamber 16, the connection of the first collecting chamber 16
The water inlet 13 of boiler 1.The second collecting chamber 17 is equipped with above furnace body 120, the second collecting chamber 17 is connected to the steam (vapor) outlet of boiler 1
12.Condensed water returns in the first collecting chamber 16 through water inlet 13, and the first collecting chamber 16 is connected to the second collecting chamber 17, and second catchments
Room 17 is connected to steam (vapor) outlet 12.
As shown in Fig. 2, be additionally provided with heat exchange pipeline 143 in furnace body 120, the first collecting chamber 16 passes through heat exchange pipeline 143 and the
The connection of two collecting chambers 17.It is additionally provided with the first exhanst gas outlet 6 in furnace body 120, high-temperature flue gas passes through after heat exchange pipeline 143 from the first cigarette
6 discharge of gas outlet.
Primary side recycle loop process is as follows: the indoor water that catchments, which is burned after device 3 heats, becomes steam, and steam exists
In second collecting chamber 17, through 4, steam (vapor) outlet 12, steam pipe side-entrances 22, into generator 2.Steam is in generator 2
It is condensed after interior heat release.Condensed water comes back to the first collection in boiler 1 through a side outlet 23, condenser pipe 5, water inlet 13
Water chamber 16.First collecting chamber 16 is connected to the second collecting chamber 17.The heat that collecting chamber absorption burner 3 discharges becomes water steaming again
Gas then constantly repeats above-mentioned cyclic process.Media flow process is as follows in heat pipe 21: secondary side fluid is by the two of generator 2
Secondary side-entrance 24 enters heat pipe 21, becomes steam after absorbing the heat (latent heat+sensible heat) of primary side vapor, steam is through secondary side
25 discharge of outlet.
Water is that evaporative condenser physical change occurs for the same water always in primary side circulation loop, and water quality will not occur any
Change, therefore the failure of the unrepairables such as scaling will not occur outside the heat pipe 21 in boiler 1 and generator 2.In heat pipe 21
Water will not influence that projected life of boiler 1, only heat pipe 21 need to be dismantled, opposite heat tube 21 does simple cleaning generating scale
Maintenance, heat pipe 21 can be restored to heat exchange efficiency when design.Generator 2 uses 21 structure of heat pipe, and water capacity is small, does not explode
Risk.In primary side circulation loop, liquid level is without water level control, because primary side water is added in 2 first time of generator using preceding
Install complete, water, which not will increase, in use to be reduced, and actual motion does not need water level control, it is only necessary to primary side
The water of circulation loop has leak protection both may be used.Secondary side water shortage does not have security risk to generator 2, reduces secondary side to water level
Requirement, reduce failure rate.
To reduce the NO in flue gasX, burner 3 is premix burner in the present embodiment, and fuel matches shape in burner 3
At uniform mixed gas.In addition to this, NOXGeneration and mixed gas burn when flame temperature have much relations, by
Setting cooling pipeline 141 reduces the flame temperature of mixed gas combustion process in burner hearth 11, and then inhibits the generation of NOx.Such as Fig. 2
It is shown, along the flow direction of mixed airflow, cooling pipeline 141, steady flame tube road 142 are successively arranged in burner hearth 11.Cool down pipeline 141
Between form first pipe gap 1411, second pipe gap 1421 is formed between steady flame tube road 142.
Burning gases are by forming whole flame behind first pipe gap 1411 and second pipe gap 1421.Cool down pipeline
141 and steady flame tube road 142 in water absorb flame heat regulating, flame temperature is effectively reduced, can effectively inhibit mixed gas burned
The NOx content generated in journey.
The pressure that burning gases in burner hearth 11 are formed when flowing out from first pipe gap 1411 is P1, is stitched from second pipe
When gap 1421 flows out, the pressure of formation is P2, and P2 is less than P1, i.e., the side of steady 142 air-flow of flame tube road outflow forms negative pressure, can weigh
Newly strile-back unburned gas, therefore the steady flame tube road 142 in burner hearth 11 has the function of stablizing burning.
The burning gases come out from second pipe gap 1421 enter in furnace body 120 and form high-temperature flue gas, high-temperature flue gas with
Heat exchange pipeline 143 in furnace body 120 further exchanges heat.It after the completion of high-temperature flue gas heat exchange, is discharged from the first exhanst gas outlet 6, discharge
Flue gas contains lower NOx.
Embodiment two
The present embodiment provides a kind of heat pipe evaporators, such as Fig. 4, shown in Fig. 5.The present embodiment is different from embodiment one
Place is to be equipped in heat exchange sleeve 153 and boiler 1 to be equipped with fume collecting chamber in furnace body 120.
Heat exchange sleeve 153 is made of inner tube 154 and outer tube 155.Inner tube 154 is fume afterheat channel, inner tube 154 and outer tube
It is water stream channel between 155, fume afterheat channel is connected to the tail portion of furnace body 120.High-temperature flue gas and flue gas in furnace body 120
The water in the common flow heated water channel of flue gas in waste heat channel, and the waste heat in flue gas is made full use of, guarantee water in boiler 1
The evaporation capacity of solution.
155 lower end of outer tube is the first collecting chamber 16, and upper end is the second collecting chamber 17.The lower section of first collecting chamber 16 is equipped with the
One fume collecting chamber 18, the tail portion of furnace body 120 are connected to the first fume collecting chamber 18, after high-temperature flue gas passes through heat exchange sleeve 153, by furnace body
120 tail portion enters the first fume collecting chamber 18.The top of second collecting chamber 17 is equipped with the second fume collecting chamber 19, and the first fume collecting chamber 18 passes through
Fume afterheat channel is connected to the second fume collecting chamber 19.Second fume collecting chamber 19 is equipped with the second exhanst gas outlet 7, and flue gas is changed in inner tube 154
It is discharged after the completion of heat from the second exhanst gas outlet 7.
The present embodiment flue gas emission process are as follows: mixed gas is burnt in burner hearth 11, the high-temperature flue gas that burning gases generate
Into in furnace body 120, and flow to the tail portion of furnace body 120.High-temperature flue gas by from the tail portion of furnace body 120 enter the first fume collecting chamber 18,
Then enter the second fume collecting chamber 19 through inner tube 154, be most discharged afterwards through the second exhanst gas outlet 7.
First collecting chamber 16 is connected to by water stream channel with the second collecting chamber 17.In primary side circulation loop, generator 2
Condensed water returns in the first collecting chamber 16, and water flows through water stream channel and enters the second collecting chamber 17, and the water in the second collecting chamber 17 steams
Gas enters generator 2.Water stream channel in boiler 1 wraps up fume afterheat channel, utmostly improves between flue gas and water
Heat exchange efficiency.
In the prior art, the boiler 1 of low capacity often causes the evaporation capacity of aqueous solution inadequate because heat exchange area is insufficient.
The present embodiment recycles the flue gas heat of discharge, and flue gas is entered in heat exchange sleeve 153 and after aqueous solution heat exchange, is then exhausted from.
The heat exchange area for increasing aqueous solution by heat exchange sleeve 153, guarantees also generate biggish steaming in the case where aqueous solution is less
Hair amount.Therefore using after heat exchange sleeve 153, the water capacity in boiler 1 can be reduced to 30L hereinafter, without risk of explosion, and safety is steady
It is fixed.
To reduce the NO in flue gasX, burner 3 is premix burner in the present embodiment, and fuel matches shape in burner 3
At uniform mixed gas.In addition to this, NOXGeneration and the ignition temperature of mixed gas have much relations, pass through burner hearth 11
Interior setting cooling casing 151 reduces the flame temperature of mixed gas combustion process, and then inhibits NOx in mixed gas combustion process
Generation.Pipeline in burner hearth 11 described in the present embodiment can be the same as example 1 or difference, it is preferable that the present embodiment
In, the pipeline in burner hearth 11 is also configured as barrel forms, to increase heat transfer effect.As shown in figure 5, along the flowing of mixed airflow
Direction is successively arranged cooling casing 151, steady flame casing 152 in burner hearth 11, wherein cooling casing 151 and steady flame casing 152
Internal structure is the same as heat exchange sleeve 153.First sleeve gap 1511 is formed between cooling casing 151, is formed between steady flame casing 152
Second casing gap 1521.
After burning gases are by first sleeve gap 1511 and the second casing gap 1521, gas volume increases, and is formed whole
Body flame, the water to cool down in casing 151 and steady flame casing 152 absorb flame heat regulating, reduce flame temperature, inhibit mixed gas combustion
The NOx content generated during burning.
The pressure that combustion-gas flow is formed when flowing out from first sleeve gap 1511 is P1, is flowed out from the second casing gap 1521
When, the pressure of formation is P2, and P2 is less than P1, i.e., the side of steady 152 air-flow of flame casing outflow forms negative pressure, can strile-back again unburned
The gas of burning, therefore steady flame casing 152 has the function of stablizing burning.From the second casing gap 1521 come out burning gases into
Enter and form high-temperature flue gas in furnace body 120, high-temperature flue gas exchanges heat in heat exchange sleeve 153 with water flow.High-temperature flue gas has exchanged heat
Cheng Hou is discharged from the second exhanst gas outlet 7, and discharge flue gas contains lower NOx.
In addition to this, in the embodiment of the present invention, heat pipe evaporator further includes controller, and generator 2 is one
Or it is multiple, controller controls the outlet pressure of each generator 2.It is in parallel between multiple generators 2, as shown in Fig. 3, Fig. 6.Such as
In practical application, the user terminal of steam needs clean steam and industrial steam simultaneously.But clean steam or industrial steam institute
The steam pressure needed is different, therefore generator 2 can be set to two, conveys clean steam and industrial steam respectively.Each hair
The outlet end of raw device 2 is equipped with first pressure sensor, and user terminal is equipped with second pressure sensor, and controller is recycled according to primary side
The burning load in circuit adjusts the pressure value of first pressure sensor.It is equipped between first pressure sensor and second pressure sensing
Decompressor, controller control decompressor and the pressure value of first pressure sensor are reduced to pressure required for user terminal
It is worth, pressure value needed for user is by second pressure sensor monitoring.
In addition, in the embodiment of the present invention, 21 material of heat pipe can be stainless steel or titanium alloy, in generator 2 with it is secondary
The material of side physical contact between media is all made of stainless steel or titanium alloy.In modern industry, quality requirements of many occasions to steam
It is very high, but material easily corrodes in steam generator, pollutes to the steam of generation.Stainless steel or titanium alloy non-corrosive, it is resistance to
Corrosion guarantees that the steam that generator 2 conveys is clean steam.
In the embodiment of the present invention, by the way that by boiler 1, generator 2 becomes one, and heat pipe evaporator structure is tight
It gathering, small volume, water capacity is small, no risk of explosion, while heat exchange efficiency with higher and lower nitrogen oxide emission,
Marketing potentiality are larger.
The embodiments of the present invention have been described in detail above, for those of ordinary skill in the art, according to this
The thought provided is provided, will change in specific embodiment, and these changes also should be regarded as protection model of the invention
It encloses.
Claims (10)
1. a kind of heat pipe evaporator, including boiler (1), generator (2), burner (3), the combustion of the burner (3)
It burns end to put in the burner hearth (11) of the boiler (1), the boiler (1) is connected with the generator (2), the generator (2)
It is interior to be equipped with heat pipe (21), it is characterised in that:
The heat pipe (21) forms primary side channel outside, forms secondary wing passage, a wing passage in the heat pipe (21)
Interior medium carries out heat with the medium in the secondary wing passage and exchanges；
The boiler (1) connect to form primary side circulation loop with a wing passage of the generator (2), and the primary side follows
Loop back path vacuum tightness；
The minimum liquid level of wing passage is higher than the highest liquid level of the boiler (1).
2. heat pipe evaporator according to claim 1, it is characterised in that:
The boiler (1) includes steam (vapor) outlet (12) and water inlet (13), and the generator (2) includes a side-entrance (22),
Side outlet (23), secondary side-entrance (24) and secondary side outlet (25)；
The steam (vapor) outlet (12) is connected to by steam pipe (4) with a side-entrance (22) of the generator (2), described primary
Side outlet (23) is connected to by condenser pipe (5) with the water inlet (13), and the secondary side-entrance (24) passes through the heat pipe
(21) it is connected to the secondary side outlet (25).
3. heat pipe evaporator according to claim 1, it is characterised in that:
The side of the burner hearth (11) is furnace body (120), and the lower section of the furnace body (120) is equipped with the first collecting chamber (16), described
First collecting chamber (16) is connected to the water inlet (13) of the boiler (1)；
The second collecting chamber (17) are equipped with above the furnace body (120), second collecting chamber (17) is connected to the steaming of the boiler (1)
Vapor outlet (12).
4. heat pipe evaporator according to claim 3, it is characterised in that:
Heat exchange pipeline (143) are equipped in the furnace body (120), first collecting chamber (16) passes through the heat exchange pipeline (143)
It is connected to second collecting chamber (17)；
It is additionally provided with the first exhanst gas outlet (6) in the furnace body (120), high-temperature flue gas passes through after the heat exchange pipeline (143) from institute
State the first exhanst gas outlet (6) discharge.
5. heat pipe evaporator according to claim 3, it is characterised in that:
Heat exchange sleeve (153) are equipped in the furnace body (120), the heat exchange sleeve (153) is by inner tube (154) and outer tube (155)
It constitutes；
Said inner tube (154) is fume afterheat channel, is water stream channel, institute between said inner tube (154) and the outer tube (155)
Fume afterheat channel is stated to be connected to the furnace body (120) tail portion；
The water in the common flow heated water channel of flue gas in high-temperature flue gas and fume afterheat channel in the furnace body (120).
6. heat pipe evaporator according to claim 5, it is characterised in that:
The lower section of first collecting chamber (16) is equipped with the first fume collecting chamber (18), the tail portion and described first of the furnace body (120)
Fume collecting chamber (18) connection after high-temperature flue gas passes through the heat exchange sleeve (153), enters described first by the tail portion of furnace body (120)
Fume collecting chamber (18)；
The top of second collecting chamber (17) is equipped with the second fume collecting chamber (19), and first fume collecting chamber (18) passes through the flue gas
Waste heat channel is connected to second fume collecting chamber (19).
7. heat pipe evaporator according to claim 6, it is characterised in that: second fume collecting chamber (19) is equipped with the
Two exhanst gas outlets (7), flue gas are discharged after the completion of said inner tube (154) exchange heat from second exhanst gas outlet (7).
8. heat pipe evaporator according to claim 6, it is characterised in that: first collecting chamber (16) passes through institute
Water stream channel is stated to be connected to second collecting chamber (17).
9. heat pipe evaporator according to claim 1-8, it is characterised in that: it further include controller, institute
Generator (2) are stated as one or more, controller controls the outlet pressure of each generator (2).
10. heat pipe evaporator according to claim 1-8, it is characterised in that: heat pipe (21) material
Matter is stainless steel or titanium alloy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471705.6A CN109578966A (en) | 2018-12-04 | 2018-12-04 | A kind of heat pipe evaporator |
| PCT/CN2019/120117 WO2020114261A1 (en) | 2018-12-04 | 2019-11-22 | Heat pipe steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471705.6A CN109578966A (en) | 2018-12-04 | 2018-12-04 | A kind of heat pipe evaporator |
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| CN109578966A true CN109578966A (en) | 2019-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471705.6A Pending CN109578966A (en) | 2018-12-04 | 2018-12-04 | A kind of heat pipe evaporator |
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| Country | Link |
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| CN (1) | CN109578966A (en) |
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| CN109945280A (en) * | 2019-04-16 | 2019-06-28 | 西安交通大学 | Heat pipe mode phase-change heat distribution system |
| CN110397907A (en) * | 2019-08-21 | 2019-11-01 | 浙江力聚热水机有限公司 | A kind of immersion electrode steam boiler |
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| CN113669710A (en) * | 2021-08-19 | 2021-11-19 | 浙江力聚热水机有限公司 | Indirect steam stove |
| CN115451392A (en) * | 2022-09-23 | 2022-12-09 | 哈尔滨工业大学 | Steam generator using electrode boiler and control method thereof |
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