CN108955299A - A kind of high-temperature flue gas quick cooling method - Google Patents
A kind of high-temperature flue gas quick cooling method Download PDFInfo
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- CN108955299A CN108955299A CN201810555997.5A CN201810555997A CN108955299A CN 108955299 A CN108955299 A CN 108955299A CN 201810555997 A CN201810555997 A CN 201810555997A CN 108955299 A CN108955299 A CN 108955299A
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- flue gas
- liquid metal
- temperature flue
- heat
- quick cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of high-temperature flue gas quick cooling methods, include the following steps: step 1: flue gas imports, step 2: liquid metal just disperses, step 3: liquid metal twice dispersing, step 4: liquid metal recycling circulation, step 5: flue gas discharge.The invention is intended to provide a kind of high-temperature flue gas quick cooling method that can be ensured the experiment of high-temperature flue gas chilling and be normally carried out.
Description
Technical field
The present invention relates to industrial production cooling fields, and in particular to a kind of high-temperature flue gas cooling means.
Background technique
In the industrial production, many fields can all be related to controlling smoke reaction progress using temperature.
By taking the production of acetylene as an example, the temperature of reaction is terminated at 1300 DEG C, this is just needed flue gas temperature in recuperative furnace
Degree drops to suitable range.This process is realized by spraying into chilled water (chw) at present, and still, this mode is asked there are following
Topic:
1, cause flue gas that the variation of component occurs firstly, a large amount of chilled water (chw)s sprayed into become water vapour, make its flue gas flow
Suddenly increase, not only the quality of acetylene is had an impact, and aggravated the processing pressure of upstream device, corrode caused by equipment
Situation is also more serious；
2, secondly, the water vapour that the chilled water (chw) sprayed into is formed is emptied to final, a large amount of latent heat contained during this period can not
Recycling, causes biggish energy dissipation；
3, again, resulting from water expense is also a no small number, has aggravated the cost of Production in Chemical Plant
Spending cannot but generate any positive wholesome effect.
Therefore inventor takes measures, and carries out efficient heat recovery to flue gas, energy consumption and life can be effectively reduced
Cost is produced, has certain help to enterprise's production extra earning, to realize better economic benefit and social benefit.
Summary of the invention
The invention is intended to provide a kind of high-temperature flue gas quick cooling method that energy consumption and production cost can be effectively reduced.
Base case: a kind of high-temperature flue gas quick cooling method includes the following steps:
Step 1: flue gas imports, and is delivered to recuperative furnace lower part by flue after high-temperature flue gas is imported；
Step 2: liquid metal just disperses, and is tentatively divided the liquid metal being delivered in recuperative furnace by dispersion impeller
It dissipates；
Step 3: liquid metal twice dispersing, by the filling-material structure that is arranged in recuperative furnace to secondary point of liquid metal
It dissipates and high-temperature flue gas is dispersed, high-temperature flue gas, liquid metal exchange heat at filling-material structure；
Step 4: liquid metal recycling circulation, with the liquid metal after high-temperature flue gas heat exchange in the hydrops of furnace bottom that exchanges heat
It gathers in pond and is recycled by electromagnetic pump driving, return to dispersion impeller after aqueous heat exchanger carries out cooling in cyclic process
Place；
Step 5: flue gas discharge, the flue gas after cooling that exchanges heat are ended here from heat exchange furnace upper end discharge.
Effect of the invention:
1, firstly, a large amount of liquid metals sprayed into will not gasify, to avoid mixing with flue gas, divided without the later period
From its flue gas flow will not be made to increase suddenly, not only had an impact to the quality of product, the place of upstream device will not have more been aggravated
Manage pressure；
2, secondly, the liquid metal sprayed into is fully used, a large amount of latent heat contained are effectively recycled, and are avoided
Biggish energy dissipation；
3, again, the liquid metal of penetrating can be recycled, and there's almost no loss, reduce Production in Chemical Plant
Cost generates positive wholesome effect.
Further, flue gas is conveyed using flue in step 1, flue includes the access being connected to along axial direction with flue gas source
The contraction section and the changeover portion between access section, contraction section that section, diameter are less than access section, changeover portion is in shrinkage cavity shape.Root
According to bernoulli principle, the setting of shrinkage cavity shape can not only carry out transition for contraction section and access section junction, additionally it is possible to so that receiving
Pressure at contracting section is less than the pressure of access section, and the flow velocity of flue gas is greater than the flow velocity of flue gas in access section at contraction section, to mention
The circulation efficiency of high flue gas avoids flue gas from building up in access section.
Further, Step 2: liquid metal described in three and four by mass fraction be gallium 37%, indium 22%, bismuth
18.6%, aluminium 3%, iron 2%, the alloy that magnesium 2.4% and tin 15% form；Alloy melting point is 3 DEG C；Liquid metal under the proportion
High efficient heat exchanging capable of being carried out to high-temperature flue gas and property being stablized, performance is brilliant.
Further, the filling-material structure in step 3 is three and sets gradually from top to bottom along recuperative furnace inner wall.Layer by layer
Chilling liquid is separated into several drops by the filling-material structure of setting, and greatly reduces the downstream rate of chilling liquid, flue gas
Speed uplink, and the contact area of chilling liquid and flue gas is increased, to ensure that the heat exchange of chilling liquid and flue gas
Efficiency.
Further, it is additionally provided with the fluid reservoir one being connected to hydrops pond in step 4 and is connected to the storage of dispersion impeller, electromagnetic pump
The setting of two fluid reservoir one of flow container, fluid reservoir two ensure that the supply of chilling liquid, storage, and the high efficiency conducive to chilling liquid is followed
Ring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the high-temperature flue gas fast cooling device used in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of Tu1Zhong chilling mechanism；
Fig. 3 is the structural schematic diagram of filling-material structure in Fig. 1；
Fig. 4 is the structural schematic diagram of dispersion impeller in Fig. 1；
Fig. 5 is the top view of Fig. 4.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description include: heat-dissipating cylinder 10, heat exchange ball 11, outer 12, support chip 13, bottom surface 14,
Recuperative furnace 20, hydrops pond 21, fluid reservoir 1, heat exchanger 23, electromagnetic pump 24, access section 30, contraction section 31, changeover portion 32, cigarette
Gas source head 34, dispersion impeller 40, branch pipe 41, tap hole 42, ring flange 43, bracket 44.
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment:
A kind of high-temperature flue gas quenching apparatus as shown in Fig. 1, including recuperative furnace 20, further include flue gas input mechanism and position
Chilling mechanism in recuperative furnace, flue gas input mechanism include the flue for being connected to flue gas source 34,20 lower end of recuperative furnace, Chiller
Structure includes the dispersion impeller 40 being arranged in recuperative furnace from top to bottom, filling-material structure, hydrops pond 21 and realizes chilling liquid circulation
Cycling element, cycling element include the heat exchanger 23 being connected to hydrops pond, driving chilling liquid flowing electromagnetic pump 24, with product
The fluid reservoir 1 of liquid pool connection and the fluid reservoir two of connection dispersion impeller, electromagnetic pump, the setting of fluid reservoir one, fluid reservoir two are protected
Supply, the storage for having demonstrate,proved chilling liquid, recycle conducive to the high efficiency of chilling liquid；Electromagnetic pump one end and heat exchanger connection, electromagnetism
The pump other end is connected to dispersion impeller；Flue includes the access section 30 being connected to along axial direction with flue gas source, diameter less than access section 30
Contraction section 31 and positioned at access section 30, the changeover portion 32 between contraction section 31, changeover portion 32 is in shrinkage cavity shape；According to Bernoulli Jacob
The setting of principle, shrinkage cavity shape can not only carry out transition for contraction section 31 and access 30 junction of section, additionally it is possible to so that contraction section
The pressure at place is less than the pressure of access section, and the flow velocity of flue gas is greater than the flow velocity of flue gas in access section at contraction section, to improve cigarette
The circulation efficiency of gas avoids flue gas from building up in access section.
As shown in figure 3, filling-material structure includes heat-dissipating cylinder 10 and is filled in heat exchange ball 11 in heat-dissipating cylinder 10, heat exchange ball 11 is
Refractory ceramics ball, refractory ceramics ball have the characteristics of high temperature high voltage resistant, water absorption rate is low, stable chemical performance, be amenable to acid,
The corrosion of alkali and other organic solvents, and it is amenable to the temperature change occurred in production process, the diameter of heat exchange ball 11 is 2cm,
The lower heat exchange ball 11 of size setting can effectively increase the contact area of chilling liquid and flue gas and be chilling liquid with
And flue gas stops free air space, and the efficiency of heat exchange is promoted from many aspects.
Wherein 10 top surface of heat-dissipating cylinder, bottom surface 14 are what hollow out was arranged, are entered into and through conducive to chilling liquid, flue gas, and
And tentatively dispersed chilling liquid, flue gas, increase the possibility that the two comes into contact in a large area.
As shown in Fig. 2, heat-dissipating cylinder 10, heat exchange ball 11 are located on the path that chilling liquid and flue gas are advanced, filling-material structure
It is set gradually from top to bottom for three and along 20 inner wall of recuperative furnace, if chilling liquid is separated by the filling-material structure being arranged layer by layer
Dry drop, and the speed uplink of the downstream rate of chilling liquid, flue gas is greatly reduced, and increase chilling liquid and flue gas
Contact area, to ensure that the efficiency of the heat exchange of chilling liquid and flue gas；Heat-dissipating cylinder 10 is changed for accommodating heat exchange ball 11
Hot-bulb 11 is filled in heat-dissipating cylinder 10, forms several holes, runner between the ball 11 that exchanges heat, can not only be by chilling liquid, flue gas
Comprehensively shunted, dispersed, increase chilling liquid and flue gas contact area, and can stop advance chilling liquid,
Flue gas also adds the travel path of chilling liquid, flue gas while reducing chilling liquid, flue gas travel speed, guarantee chilling
The heat exchanger time of liquid, flue gas, to greatly promote the heat exchanger effectiveness of chilling liquid, flue gas.
Filling-material structure further includes several support chips 13 for being circumferentially distributed in 20 inner wall of recuperative furnace, and wherein 13 one end of support chip can
On 20 inner wall of recuperative furnace, 13 other end of support chip can offset with 10 bottom surface 14 of heat-dissipating cylinder for disassembly, and support chip 13 is in arc-shaped, if
Heavenly Stems and Earthly Branches blade 13 constitutes annulus, and the setting of support chip 13 is conducive to realize that the installation of heat-dissipating cylinder 10 is fixed, and such setting can either be square
Just the installation of support chip 13 is fixed, and can be cooperated with heat-dissipating cylinder 10, so that heat-dissipating cylinder 10 becomes the unique passage of flue gas uplink,
It ensure that coming into full contact with and carrying out heat exchange for flue gas and chilling liquid.
Filling-material structure further includes the circumferential outer 12 that 10 upper end of heat-dissipating cylinder is arranged in, and outer 12 is bent downwardly to form groove；
It can both assist carrying out the fixation of heat-dissipating cylinder 10 by setting outer 12, groove, additionally it is possible to conducive to the carrying for realizing heat-dissipating cylinder 10.
As shown in figure 4, dispersion impeller 40 includes disc-shaped main body, disc-shaped main body is matched with 20 cavity shape of recuperative furnace, to make
The spray that can obtain chilling liquid in recuperative furnace 20 everywhere is obtained, ensure that the contact area of chilling liquid and flue gas；
Disc-shaped main body includes supervisor and several branch pipes 41 being connected to supervisor, and supervisor includes point in recuperative furnace 20
Stream section and the liquid input section being connected to shunting section are flanged joint between shunting section and liquid input section, first by shunting section and liquid input section
It is individually fixed on a ring flange 43, flange gasket is then added between two ring flanges 43, finally with bolt by two methods
Blue disk 43 tenses, and flanged joint can be realized, and realizes being connected and fixed between shunting section and liquid input section, side by flanged joint
Just quick and reliable and stable, facilitate the installing and dismounting realized and be responsible for, greatly facilitates using and replacing for liquid dispersion impeller；Such as
It further include the bracket 44 being fixed on 20 inner wall of recuperative furnace shown in Fig. 5, the tail end of bracket 44 and shunting section passes through bolt lock fastening
It is fixed, by way of bracket 44 is arranged, convenient for the Fast Installation and disassembly of disc-shaped main body.
Branch pipe 41 is distributed in the axial sides of shunting section, and branch pipe 41 is along supervisor's distribution at equal intervals.So set, can
Guarantee that the liquid sprayed everywhere in recuperative furnace 20 keeps relatively uniform, so that flue gas Homogeneouslly-radiating；Branch pipe 41 is also vertical
In shunting section, 41 inner end of branch pipe is connected to supervisor, and 41 outer end of branch pipe is then closed and offsets between 20 inner wall of recuperative furnace, often
Several tap holes 42 are provided on root branch pipe 41, tap hole 42 can be flowed out for the chilling liquid in branch pipe 41, and tap hole 42 is equal
Meet the direction advanced to flue gas.So set, can guarantee chilling liquid and the abundant convection current of flue gas, contact, to improve chilling
The thermal efficiency of liquid, supervisor is for chilling liquid to be diffused along supervisor is axial, and branch pipe 41 will then be obtained from supervisor
Chilling liquid is diffused along the radial direction of supervisor, disperses.
It should be noted that diameter is increasing from inside to outside for the tap hole 42 on every branch pipe 41.At 41 inner end of branch pipe
Water flow pressure it is maximum, such setting be in order to ensure fluid flow keeps relatively uniform in the tap hole 42 everywhere of branch pipe 41,
So that the liquid of the entire outflow of disc-shaped main body everywhere keeps uniform.Spray head is installed, sprinkler rotation is close at tap hole 42
It is enclosed at tap hole 42, spray head inner end is connected to branch pipe 41, and spray head outer end is circumferentially provided with spray orifice along a tangential direction, when chilling liquid
When spraying from spray orifice, meeting acting in opposition is generated rotation by moment loading in spray head, spray head, so that the chilling liquid sprayed
More uniform and range is wider.
It is additionally provided with spring between 20 inner wall of heat-dissipating cylinder 10 and recuperative furnace, and between the heat-dissipating cylinder 10 of bottom and hydrops pond
Equipped with guide vane, the first permanent magnet is installed on part of guide vane, wherein the first permanent magnet outer end is the pole N, heat dissipation
Cylinder bottom is again provided with the second permanent magnet, and the second permanent magnet lower end is the pole N；It can be by when high-temperature flue gas passes through guide vane
Guide vane carries out dispersion and travels upwardly, therefore guide vane also rotates, the first permanent magnet, the second permanent magnetism during this
Body constantly repels each other, and cooperates the high-temperature flue gas of rising, so that the shaking of heat-dissipating cylinder anti-raw horizontal direction, vertical direction, it can not only
It is enough more uniform conducive to the distribution of liquid metal, the part kinetic energy of the flue gas quickly flowed can also be converted, avoid height
Warm flue gas does not exchange heat sufficiently with liquid metal and is just detached from recuperative furnace, and the heat-dissipating cylinder shaken is it is also possible that changing in heat-dissipating cylinder
Hot-bulb 11 shakes, so that the heat exchange ball in the middle part of heat-dissipating cylinder is shifted to both ends, the heat exchange ball at both ends is close in the middle part of heat-dissipating cylinder,
So be able to drive liquid metal carries out local circulation in heat-dissipating cylinder, and is able to guide high-temperature flue gas and is exchanging heat ball between layers
It circulates, changes the circulation style that original high-temperature flue gas is straightforward in vertical direction, increase new heat dissipation dimension,
Reinforce coming into full contact with for liquid metal and high-temperature flue gas.
A kind of high-temperature flue gas quick cooling method relies on a kind of high-temperature flue gas quenching apparatus, specifically comprises the following steps:
Step 1: flue gas imports, and is delivered to recuperative furnace lower part by flue after high-temperature flue gas is imported；
Step 2: liquid metal just disperses, and is carried out the liquid metal being delivered in recuperative furnace tentatively by dispersion impeller 40
Dispersion, it is gallium 37%, indium 22%, bismuth 18.6%, aluminium 3%, iron 2%, magnesium 2.4% and tin 15% that liquid metal, which is by mass fraction,
Component alloy；Alloy melting point is 3 DEG C, and kinematic viscosity is small, has good fluid interchange ability；
Step 3: liquid metal twice dispersing, by the filling-material structure that is arranged in recuperative furnace to secondary point of liquid metal
It dissipates and high-temperature flue gas is dispersed, high-temperature flue gas, liquid metal exchange heat at filling-material structure；
Step 4: liquid metal recycling circulation, with the liquid metal after high-temperature flue gas heat exchange in the hydrops of furnace bottom that exchanges heat
It gathers in pond and is recycled by electromagnetic pump driving, return to dispersion impeller after aqueous heat exchanger carries out cooling in cyclic process
At 40；
Step 5: flue gas discharge, the flue gas after cooling that exchanges heat are ended here from heat exchange furnace upper end discharge.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (5)
1. a kind of high-temperature flue gas quick cooling method, characterized by the following steps:
Step 1: flue gas imports, and is delivered to recuperative furnace lower part by flue after high-temperature flue gas is imported；
Step 2: liquid metal just disperses, and is tentatively dispersed the liquid metal being delivered in recuperative furnace by dispersion impeller；
Step 3: liquid metal twice dispersing, by the filling-material structure that is arranged in recuperative furnace to liquid metal twice dispersing simultaneously
High-temperature flue gas is dispersed, high-temperature flue gas, liquid metal exchange heat at filling-material structure；
Step 4: liquid metal recycling circulation, with the liquid metal after high-temperature flue gas heat exchange in the hydrops pond of heat exchange furnace bottom
It gathers and is recycled by electromagnetic pump driving, returned at dispersion impeller after aqueous heat exchanger carries out cooling in cyclic process；
Step 5: flue gas discharge, the flue gas after cooling that exchanges heat are ended here from heat exchange furnace upper end discharge.
2. a kind of high-temperature flue gas quick cooling method according to claim 1, it is characterised in that: using flue to cigarette in step 1
Gas conveying, flue include access section be connected to along axial direction with flue gas source, diameter less than the contraction section for accessing section and positioned at connecing
Enter the changeover portion between section, contraction section, changeover portion is in shrinkage cavity shape.
3. a kind of high-temperature flue gas quick cooling method according to claim 1 or 2, it is characterised in that: Step 2: in three and four
The liquid metal is gallium 37%, indium 22%, bismuth 18.6%, aluminium 3%, iron 2%, magnesium 2.4% and tin 15% by mass fraction
The alloy of composition；Alloy melting point is 3 DEG C.
4. a kind of high-temperature flue gas quick cooling method according to claim 3, it is characterised in that: the filling-material structure in step 3 is
It three and is set gradually from top to bottom along recuperative furnace inner wall.
5. a kind of high-temperature flue gas quick cooling method according to claim 1 or 2, it is characterised in that: be additionally provided in step 4 with
The fluid reservoir one of hydrops pond connection and the fluid reservoir two of connection dispersion impeller, electromagnetic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555997.5A CN108955299B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas quenching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555997.5A CN108955299B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas quenching method |
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| Publication Number | Publication Date |
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| CN108955299A true CN108955299A (en) | 2018-12-07 |
| CN108955299B CN108955299B (en) | 2020-05-19 |
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| CN201810555997.5A Expired - Fee Related CN108955299B (en) | 2018-05-31 | 2018-05-31 | High-temperature flue gas quenching method |
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Citations (7)
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|---|---|---|---|---|
| GB1309309A (en) * | 1969-12-22 | 1973-03-07 | Shell Int Research | Process and apparatus for quenching unstable gas |
| JPS56142384A (en) * | 1980-04-04 | 1981-11-06 | Chiyoda Chem Eng & Constr Co Ltd | Gas cooling method and apparatus therefor |
| JPS61114711A (en) * | 1984-11-09 | 1986-06-02 | Kenichi Nakagawa | Method and apparatus for recovering heat from contaminated high temperature exhaust gas |
| CN203448003U (en) * | 2013-08-26 | 2014-02-26 | 成都华西化工研究所股份有限公司 | Venturi spraying pipe of spraying mixer |
| CN104266157A (en) * | 2014-10-12 | 2015-01-07 | 中国科学院工程热物理研究所 | Direct contact type high temperature particle fluidization steam generator |
| CN207025057U (en) * | 2017-07-20 | 2018-02-23 | 倪飞 | New fluid-mixing waste-heat recovery device |
| CN108087850A (en) * | 2018-01-12 | 2018-05-29 | 重庆岩昱节能科技有限公司 | A kind of pyrolysis furnace residual neat recovering system |
-
2018
- 2018-05-31 CN CN201810555997.5A patent/CN108955299B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1309309A (en) * | 1969-12-22 | 1973-03-07 | Shell Int Research | Process and apparatus for quenching unstable gas |
| JPS56142384A (en) * | 1980-04-04 | 1981-11-06 | Chiyoda Chem Eng & Constr Co Ltd | Gas cooling method and apparatus therefor |
| JPS61114711A (en) * | 1984-11-09 | 1986-06-02 | Kenichi Nakagawa | Method and apparatus for recovering heat from contaminated high temperature exhaust gas |
| CN203448003U (en) * | 2013-08-26 | 2014-02-26 | 成都华西化工研究所股份有限公司 | Venturi spraying pipe of spraying mixer |
| CN104266157A (en) * | 2014-10-12 | 2015-01-07 | 中国科学院工程热物理研究所 | Direct contact type high temperature particle fluidization steam generator |
| CN207025057U (en) * | 2017-07-20 | 2018-02-23 | 倪飞 | New fluid-mixing waste-heat recovery device |
| CN108087850A (en) * | 2018-01-12 | 2018-05-29 | 重庆岩昱节能科技有限公司 | A kind of pyrolysis furnace residual neat recovering system |
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| CN108955299B (en) | 2020-05-19 |
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Granted publication date: 20200519 |