CN109027990A - A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water - Google Patents
A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water Download PDFInfo
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- CN109027990A CN109027990A CN201810541497.6A CN201810541497A CN109027990A CN 109027990 A CN109027990 A CN 109027990A CN 201810541497 A CN201810541497 A CN 201810541497A CN 109027990 A CN109027990 A CN 109027990A
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- heat
- water
- steam
- oil
- physicochemical characteristics
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 150000003384 small molecules Chemical class 0.000 claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000009834 vaporization Methods 0.000 abstract description 5
- 230000008016 vaporization Effects 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000007654 immersion Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat conducting oil boiler steam generating systems of physicochemical characteristics for changing water, including for heat combustor, it is described to be correspondingly connected with for heat combustor and heat-condutive oil heat exchanger, heat-condutive oil heat exchanger connection corresponding with steam generator, steam generator connection also corresponding with small molecule water generator.Present invention acquirement effectively improves its thermal conversion efficiency and evaporation rate, and vaporization time is short, can " moment " steam is generated, it is small in size, save equipment land used.
Description
Technical field
The present invention relates to steam generating equipment field, especially a kind of heat conducting oil boiler steam for the physicochemical characteristics for changing water
Generating system.
Background technique
Chinese industrial boiler has more than 60 ten thousand, wherein 60% or so capacity is steam boiler.The average evaporation of steam boiler
Measure low, average thermal effect amount is low.For the ownership of industrial steam boiler at 360,000 or so, average evaporation capacity is low, and the average thermal efficiency is not
To 60%.Using shell-and-tube heat exchanger as mainstream, water is immersed in steam generator, takes free convection for current Industrial Boiler production
The mode of heat exchange, heat exchange efficiency and energy-saving effect are general.Boiler feedwater is of poor quality, and water supply is up to standard less than 40%.Cause boiler heat exchange
The problems such as face fouling, boiler corrosion, smog discharge temperature are high and boiler blowdown rate is high.The improvement of current vapour system focuses only on
The Hardware Design, such as the drain valve of good quality is selected, valve, gauge increases condensation water residual heat recycling, is steamed with improving
The efficiency of vapour system.
Existing steam generating system there are steam generation efficiency it is lower, equipment is larger, heat-energy losses are big the disadvantages of, because
This, needs to design a kind of heat conducting oil boiler steam generating system of physicochemical characteristics for changing water.
Summary of the invention
The defects of in view of the prior art, a kind of heat conducting oil boiler steam generation system of physicochemical characteristics changing water is provided
System.
The present invention is realized by following proposal:
A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water, including for heat combustor, the heat supply burning
Device is correspondingly connected with heat-condutive oil heat exchanger, heat-condutive oil heat exchanger connection corresponding with steam generator, the steam generator
Connection also corresponding with small molecule water generator；
The heat-condutive oil heat exchanger includes spiral coil, spiral coil connection corresponding with heat conductive oil inlet, the helical disk
The connection corresponding with conduction oil outlet of the other end of pipe；
The steam generator includes pressure vessel and the steam (vapor) outlet that pressure vessel top is arranged in, the spiral coil setting
Inside pressure vessel, sprayer is equipped in the pressure vessel, sprayer connection corresponding with cooling water inlet is described cold
Water inlet connection corresponding with small molecule water generator.
The cooling water inlet includes symmetrically arranged multiple.
The top of spiral coil is arranged in the sprayer.
The invention has the benefit that
A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics for changing water of the present invention improves steam generation efficiency, vaporizes
Time is short, can " moment " steam is generated, it is small in size, save equipment land used.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram.
Fig. 2 is the detail of construction of heat-condutive oil heat exchanger of the present invention and steam generator.
In figure: 1 is, for heat combustor, 2 is heat-condutive oil heat exchanger, and 21 be spiral coil, and 22 be heat conductive oil inlet, and 23 be to lead
Hot oil outlet, 3 be steam generator, and 31 be pressure vessel, and 32 be sprayer, and 33 be cooling water inlet, and 34 be steam (vapor) outlet, and 4 are
Small molecule water generator.
Specific embodiment
The preferred embodiment of the invention is further illustrated below with reference to Fig. 1 to Fig. 2:
As shown in Figure 1, the heat conducting oil boiler steam generating system of the physicochemical characteristics disclosed by the invention for changing water, including heat supply combustion
Burner 1, described to be correspondingly connected with for heat combustor 1 and heat-condutive oil heat exchanger 2, the heat-condutive oil heat exchanger 2 and steam generator 3 are right
It should be connected to, the steam generator 3 connection also corresponding with small molecule water generator 4.Of the invention is conduction oil for heat combustor
Heat exchanger provides heat, and the conduction oil in heat-condutive oil heat exchanger transfers heat to steam generator, and small molecule water generator produces
Raw small molecule water enters steam generator and absorbs the heat of conduction oil, to generate steam, the heat transfer of conduction oil is given
It is recycled to after small molecule water and is nearby reheated for heat combustor, it is reciprocal to carry out the above operation, so that it may lasting to generate steaming
Vapour.Small molecule water cluster is with following physicochemical characteristics: (1) small molecule water cluster is characterized in that small molecule has high activity,
Molecular motion express delivery is fast, and intermolecular interaction is more frequent.Small molecule cluster diameter is smaller simultaneously, the change of hydrogen bond angle in cluster
With the hydrogen bond trend fragility after polarizing, the physical thermal kinetic characteristic and chemical reactivity for making small molecule water cluster are much stronger than common
Water.(2) Brownian movement speed increases, and active water molecule becomes smaller, and molecular thermalmotion increases, with other intermolecular collisions time
Number increases, and becomes very active in molecular thermalmotion;Water surface viscosity can reduce, and make active water surface viscous force compared to common
It is substantially reduced, since stickiness is dismissed, system hinders the factor of heat fortune to be excluded, and accelerates heat transfer speed and intensity.
System osmotic pressure increases, and makes the electron ion performance that active water is special, causes water body osmotic pressure to increase, improves thermal capacitance rate
Three-dimensional effect.(3) hydrone of active water, the activity in chemical reaction is extremely strong, is more likely to participate in other chemical combination
Object is reacted, and can carry higher ion concentration compared to light water under equal conditions.(4) by the water molecule cluster of liquid
When becoming the single hydrone of steam state, consumed thermal energy when becoming steam state from liquid that not only to consume hydrone, there are also very
Big a part of thermal energy is consumed in brokenly during the hydrogen bond for changing water molecule cluster.Since hydrogen bond can absorb a large amount of thermal energy, miscellaneous
The thermal energy that this part consumes when matter is more, water molecule cluster is big, or even far more than consumed thermal energy when the change of water prescription situation.
(5) hydrogen bond quantity will be less than light water to active water in chemistry, and hydrogen bond is also quite fragile, and destroying hydrogen bond makes water molecule cluster
It is more much lower than light water to become the thermal energy consumed when single hydrone.Meanwhile it is more living in active water physical thermal motion process
Property, the coefficient of heat conduction greatly improve, and heat energy utilization is more effective, and integrating makes small molecule water cluster become vapour from liquid
The heat absorbed when state is greatly lowered, and direct energy-efficient effect is clearly.
Heat supply burner combustion biomass, coal, natural gas, sawdust or stalk of the present invention, burning pass to after generating thermal energy
Conduction oil in heat-condutive oil heat exchanger, the temperature of conduction oil are flowed into steam generator after increasing and are exchanged heat with water, generate steaming
Vapour, the thermally conductive oil temperature after heat exchange, which reduces, is sent into heat exchanger, and circulation is completed in heating again.System of the invention selects conduction oil to make
For heat transfer medium, conduction oil mainly has the advantage that liquid phase low pressure is conducted heat, lower pressure (0.6Mpa or less) can get compared with
High operating temperature (300 DEG C or so), system pressure is smaller when high temperature is gone on a long journey, high system safety；Conduction oil has lower
Freezing point and higher boiling point and flash-point can work in cold district not easy freezing under -35 DEG C or more of low temperature environment；
Conduction oil heat-conducting system with higher and specific heat are able to maintain the best thermal efficiency under different working conditions, infect uniformly,
It is energy-saving, urgent high efficiency；Conduction oil has lower acid value and strong charcoal corrosivity small, does not have dirt and sediment in pipe, makes
Equipment and pipeline can have longer service life, reduce maintenance cost；Stable heat transfer and accurately temperature adjusting can be carried out, is had
It is automatically controlled conducive to realizing, it is easy to operate, reduce the labor intensity of worker；Nontoxicity has no irritating odor, harmless,
It is free from environmental pollution.
The heat-condutive oil heat exchanger 2 includes spiral coil 21, the connection corresponding with heat conductive oil inlet 22 of spiral coil 21,
The connection corresponding with conduction oil outlet 23 of the other end of the spiral coil 21；The steam generator 3 includes 31 He of pressure vessel
The steam (vapor) outlet 34 on 31 top of pressure vessel is set, and the spiral coil 21 is arranged inside pressure vessel 31, in the pressure
Sprayer 32 is equipped in force container 31, the sprayer 32 is corresponding with cooling water inlet 33 to be connected to, the cooling water inlet 33 and small point
The corresponding connection of sub- Water generator 4.The cooling water inlet 33 includes symmetrically arranged multiple.The sprayer 32 is arranged in helical disk
The top of pipe 21.Spraying system selects special stainless steel high temperature resistant atomizer, and pressure is controlled in 10-15bar, and nozzle will be each
The water spot that one millimeter of water mist is melted into 3000-4000 or more is dripped, so selection nozzle can be atomized the diameter of water spot at 5-100 microns
Range.
Common steam generator is immersion structure in engineering, i.e. spiral coil immerses in water, water level pressure outside pipe
Boiling vaporization generates vapor.Pressure vessel is provided with spiral coil, flows conduction oil in pipe, according to required vapor temperature
Degree, makes to keep certain pressure in cylinder using pressure control device, through forced-convection heat transfer, conduction oil transfers heat to pipe
Wall, through natural heat exchanging, tube wall transfers heat to unsaturated water again, is warming up to boiling point into saturation after unsaturated water caloric receptivity
Water, saturated water continue to absorb heat, and generate vapor through boiling heat transfer.The feature of immersion steam generator maximum be exactly it is at low cost,
Manufacture craft is simple, and operation is simple, but its disadvantage evaporation generation efficiency is not high, and vaporization time is long, takes up a large area.
System of the invention is a kind of steam generator of the invention.Its work characteristics is sprayer by small molecule water mist
Chemical conversion water spot after spray to coil pipe carry out forced-convection heat transfer, improve immersion steam generator can only heat transfer free convection lack
It falling into, greatly increases steam generation efficiency, vaporization time is short, can " moment " steam is generated, it is small in size, save equipment land used.
The working principle of steam generator of the present invention are as follows: when reynolds number Re reaches 500 or more, the Nu number of lower spray structure will
The significantly greater than Nu number of side spray structure, difference up to 40% or so, while in view of nozzle can generate anti-blocking by spraying upwards
The problem of, so the relative position for determining sprayer and jet pipe is that water sprays to coil pipe from up to down after nebulizer.No matter
Under which kind of working condition, the logarithmic mean temperature difference (LMTD) △ Tm of adverse current pattern will be greater than fair current pattern, and difference is at 30 DEG C or more, institute
It is flowed in spiral coil using determining the liquid form of conduction oil and water as conduction oil is bottom-up.In this implementation, steam generation
Device set volume is 1.68m3, heat exchange area 6.5m2, 2.5-3 tons of steam are generated per hour, when controlling coil pipe caliber d=20mm, are
System best spray cone angle be θ=80-85 degree, best coil pipe spacing be s=30-50mm, best coil pipe median surface diameter be D=
150mm.When heat conductive oil inlet temperature is within the scope of 290-330 DEG C, the vaporization time of steam generator of the invention only immerses
The 1/10-1/6 of formula steam generator, the quantity of steam of generation are 6-10 times of immersion.Under conditions of generating identical quantity of steam,
Heat conductive oil inlet temperature needed for steam generator of the invention will be significantly lower than immersion.
Although having done more detailed elaboration to technical solution of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modifications to the embodiments described above may be made or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (3)
1. a kind of heat conducting oil boiler steam generating system for the physicochemical characteristics for changing water, including for heat combustor (1), feature exists
In: described to be correspondingly connected with for heat combustor (1) and heat-condutive oil heat exchanger (2), the heat-condutive oil heat exchanger (2) and steam generator
(3) corresponding connection, the steam generator (3) connection also corresponding with small molecule water generator (4)；
The heat-condutive oil heat exchanger (2) includes spiral coil (21), and the spiral coil (21) is corresponding with heat conductive oil inlet (22)
Connection, the connection corresponding with conduction oil outlet (23) of the other end of the spiral coil (21)；
The steam generator (3) includes the steam (vapor) outlet (34) of pressure vessel (31) and setting on pressure vessel (31) top,
Spiral coil (21) setting is internal in pressure vessel (31), is equipped with sprayer (32) in the pressure vessel (31), institute
Sprayer (32) connection corresponding with cooling water inlet (33) is stated, the cooling water inlet (33) is corresponding with small molecule water generator (4) to be connected
It is logical.
2. a kind of heat conducting oil boiler steam generating system of physicochemical characteristics for changing water according to claim 1, feature
Be: the cooling water inlet (33) includes symmetrically arranged multiple.
3. a kind of heat conducting oil boiler steam generating system of physicochemical characteristics for changing water according to claim 1, feature
It is: top of sprayer (32) setting in spiral coil (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541497.6A CN109027990A (en) | 2018-05-30 | 2018-05-30 | A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541497.6A CN109027990A (en) | 2018-05-30 | 2018-05-30 | A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027990A true CN109027990A (en) | 2018-12-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810541497.6A Withdrawn CN109027990A (en) | 2018-05-30 | 2018-05-30 | A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651818A (en) * | 2005-02-03 | 2005-08-10 | 李启明 | Method and system for generating dry-atomized steam and electric generating system |
| CN202532422U (en) * | 2012-04-24 | 2012-11-14 | 缪桂道 | Conduction oil-type steam boiler |
| CN103471068A (en) * | 2013-09-02 | 2013-12-25 | 东莞市丹佛斯节能科技有限公司 | Fast multi-layered sleeve steam generator |
| CN203586182U (en) * | 2013-09-30 | 2014-05-07 | 常州综研加热炉有限公司 | Steam-thermal oil heating furnace |
| CN103776007A (en) * | 2014-03-05 | 2014-05-07 | 上海旌吉节能科技有限公司 | Multi-cavity heat exchange energy-saving heating device for producing steam through flash vaporization |
| JP2016080314A (en) * | 2014-10-22 | 2016-05-16 | 株式会社ヒラカワ | boiler |
| CN208442806U (en) * | 2018-05-30 | 2019-01-29 | 珠海市英翔建材有限公司 | A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water |
-
2018
- 2018-05-30 CN CN201810541497.6A patent/CN109027990A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651818A (en) * | 2005-02-03 | 2005-08-10 | 李启明 | Method and system for generating dry-atomized steam and electric generating system |
| CN202532422U (en) * | 2012-04-24 | 2012-11-14 | 缪桂道 | Conduction oil-type steam boiler |
| CN103471068A (en) * | 2013-09-02 | 2013-12-25 | 东莞市丹佛斯节能科技有限公司 | Fast multi-layered sleeve steam generator |
| CN203586182U (en) * | 2013-09-30 | 2014-05-07 | 常州综研加热炉有限公司 | Steam-thermal oil heating furnace |
| CN103776007A (en) * | 2014-03-05 | 2014-05-07 | 上海旌吉节能科技有限公司 | Multi-cavity heat exchange energy-saving heating device for producing steam through flash vaporization |
| JP2016080314A (en) * | 2014-10-22 | 2016-05-16 | 株式会社ヒラカワ | boiler |
| CN208442806U (en) * | 2018-05-30 | 2019-01-29 | 珠海市英翔建材有限公司 | A kind of heat conducting oil boiler steam generating system for the physicochemical characteristics changing water |
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Application publication date: 20181218 |