CN107957486A - A kind of experimental system for being used to detect coke water vapor reaction - Google Patents
A kind of experimental system for being used to detect coke water vapor reaction Download PDFInfo
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- CN107957486A CN107957486A CN201711415675.2A CN201711415675A CN107957486A CN 107957486 A CN107957486 A CN 107957486A CN 201711415675 A CN201711415675 A CN 201711415675A CN 107957486 A CN107957486 A CN 107957486A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 37
- 239000000571 coke Substances 0.000 title claims abstract description 35
- 230000006641 stabilisation Effects 0.000 claims abstract description 70
- 238000011105 stabilization Methods 0.000 claims abstract description 70
- 238000001704 evaporation Methods 0.000 claims abstract description 31
- 230000008020 evaporation Effects 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000003708 ampul Substances 0.000 claims abstract description 26
- 239000010453 quartz Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 17
- 238000005303 weighing Methods 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000012153 distilled water Substances 0.000 abstract description 14
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 239000000523 sample Substances 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002309 gasification Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of experimental system for being used to detect coke water vapor reaction of the present invention, belongs to chemical engineering experiment apparatus field.The present invention includes transfusion unit, evaporation element and heating furnace, and transfusion unit includes beaker and speed-regulating type peristaltic pump, and beaker is connected with speed-regulating type peristaltic pump by liquid supply pipe, and transfusion unit is used to convey reaction solution to device；Evaporation element includes steam evaporator, and steam evaporator lower end is connected with liquid supply pipe, and the upper end of steam evaporator is equipped with upper current stabilization piece and lower current stabilization piece, and upper current stabilization piece is evenly distributed with circular hole with lower current stabilization on piece；Quartz ampoule is equipped with heating furnace, weighing balance is provided with the top of heating furnace, weighing balance lower suspension has sample cage, and steam evaporator is vertically arranged inside quartz ampoule.The present invention evaporation for the progress distilled water that the upper current stabilization piece and lower current stabilization piece of the circular hole stagger setting in steam evaporator can be stablized and prevents splash by the quantity delivered and feed speed of speed-regulating type peristaltic pump stability contorting distilled water.
Description
Technical field
The invention belongs to chemical engineering experiment apparatus field, a kind of specifically reality for being used to detect coke water vapor reaction
Check system.
Background technology
Vapor is common a kind of gas during metallurgical reaction.Ironmaking worker Lee S (Lee S, Jung J, Kim
K.Improvement of reduction of iron ore using hydrogen-enriched synthetic gas
[J].CAMP ISIJ,2009,22(1):266-273.) with coming, (Guo smelts iron newly with blast furnace blowing coke oven gas low-carbon is carried out with Guo
Mathematical simulation [D] the Northeastern University of technique, 2015.) by being put down to each region material in blast furnace under different ironmaking new process conditions
Weighing apparatus and heat Balance Calculation and experimental studies have found that, with the increase of injecting coal quantity or Natural GasInjecting ratio, in blast furnace in coal gas
CO、H2Content is significantly increased, H2Reduce H caused by ore2O content is consequently increased, so as to cause analysis of blast furnace gas ingredient
Large change.However, domestic scholars are carrying out coke reactivity and post reaction strength survey using national standard GB/T4000-2008 at present
Periodically, the influence of vapor On Coke Solution Loss reaction is not considered, the coke reactivity and post reaction strength data of measure are difficult
Accurately reflect the coke degradation situation in blast furnace under new process conditions.The experiment to vapor participation reaction is unfolded in the lab
(such as coke is reacted with steam gasification) is, it is necessary to realize the stable supplying of continuous micro vapor, to ensure the essence of experimental result
Degree and accuracy, but present experimental provision is difficult to realize the stable supplying of continuous micro vapor.
Through retrieval, invention and created name is：A kind of vapor method for generation and device (application number for controlling flow：
201410695912.5 the applying date：2014.11.26), including Hydrogen Line, gas mass flow gauge, reactor, heating furnace,
Vapor output channel, the Hydrogen Line are connected with the reactor, for the inputting hydrogen into the reactor；The gas
Weight flowmeter is located on the Hydrogen Line, for controlling the flow of the inputting hydrogen into the reactor；The reaction
Device carries metal oxide particle, and the oxidisability of the metal cation in the metal oxide particle is better than hydrogen ion；Institute
State heating furnace to be located at outside the reactor, the metal oxide particle is aoxidized with hydrogen for heating the reactor
Reduction reaction generates vapor；The vapor output channel is connected with the reactor, for exporting the vapor.But
This application due to being to generate vapor using the high-temperature chemical reaction of hydrogen and oxide particle, need to expend many raw materials and
Electric power, and the steam vapour amount and gas production rate that produce are difficult to accurately control, and can not meet the experiment demand in laboratory.
In addition, invention and created name is：A kind of quantitative makes the water vapor generation device and application method of mouthful vapor volume
(application number：201610108677.6, applying date 2016.02.26), including vapor generator and condenser, vapor generator
Outlet is connected by vapor efferent duct with the first regulating valve, and the pipeline after the first regulating valve is divided into two branches, that is, steams
Gas export branch road and steam reflux branch；The vapor outlet port branch is successively after the second regulating valve and pressure gauge, then through
Steam is exported after five regulating valves；Steam reflux branch after the 3rd regulating valve with water tank by being connected.What this application provided
Although device can realize the control of vapor volume, the rate stability during steam generation is difficult to ensure that, can not be met
The demand of laboratory experiment.
The content of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome when being detected the experiment of coke water vapor reaction, existing apparatus is difficult to realize
The stable supplying of continuous micro vapor, the problem of causing coke water vapor reaction measurement result inaccurate, there is provided Yi Zhongyong
In the experimental system of detection coke water vapor reaction, by speed-regulating type peristaltic pump can with the quantity delivered of stability contorting distilled water and
Delivery rate, what steam evaporator can be stablized is evaporated, and can carry out the stable supplying of continuous micro vapor, meets
The requirement of experiment, ensure that the accuracy of experimental result.
2. technical solution
To reach above-mentioned purpose, technical solution provided by the invention is：
A kind of experimental system for being used to detect coke water vapor reaction of the present invention, it is characterised in that：It is single including infusion
Member, the transfusion unit include beaker and speed-regulating type peristaltic pump, and the beaker is connected with speed-regulating type peristaltic pump by liquid supply pipe, described
Transfusion unit is used to convey reaction solution to device；Evaporation element, the evaporation element include funnelform steam evaporator, institute
Steam evaporator lower end to be stated to be connected with liquid supply pipe, the upper end of the steam evaporator is equipped with upper current stabilization piece and lower current stabilization piece,
The upper current stabilization piece is evenly distributed with circular hole with lower current stabilization on piece；Heating furnace, the heating furnace is interior to be equipped with quartz ampoule, the top of heating furnace
Portion is provided with weighing balance, and weighing balance lower suspension has sample cage, and the steam evaporator is vertically arranged in quartz ampoule
Portion.
Preferably, steam evaporator and the sample cage is provided with high aluminium ball, which is used to mix gas
Even, current stabilization and heating.
Preferably, the circular hole of the upper current stabilization on piece and the circular hole of lower current stabilization on piece are staggered.
Preferably, the one end of the liquid supply pipe away from speed-regulating type peristaltic pump is connected with vertical adapter, the top taken over vertically
It is connected with evaporation element, described take over vertically is fixed on quartz ampoule lower end by sealing-plug.
Preferably, the lower end of the quartz ampoule is equipped with air inlet pipe, and air inlet pipe is connected by sealing-plug with quartz ampoule lower end, institute
The mouth of pipe for stating air inlet pipe is highly higher than the height of sealing-plug, and the air inlet pipe is communicated with air accumulator.
Preferably, level detection mechanism is provided with steam evaporator, which is arranged at lower current stabilization piece
Lower part, which is used to detect liquid level in steam evaporator.
Preferably, the inner side of the circular hole is equipped with bur, and by the inner wall of circular hole, the heart extends the bur thereto.
Preferably, the vertical adapter includes inner and outer tubes, and the outer tube is fixedly installed on sealing-plug, inner tube
It is spiral to be installed on outer tube, rotate the height that inner tube is used to adjust evaporation element.
Preferably, the level detection mechanism includes first electrode, second electrode and electrical signal detection device, first electrode
It is arranged at second electrode on the side wall of steam evaporator, first electrode is connected with second electrode by electrical signal detection device,
Electrical signal detection device is used to detect the change in electric between first electrode and second electrode.
Preferably, the electrical signal detection device is arranged at outside heating furnace, and the first electrode passes through with second electrode
High temperature resistant wire is connected with heating furnace.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) a kind of experimental system for being used to detect coke water vapor reaction of the invention, can by speed-regulating type peristaltic pump
With the quantity delivered and feed speed of stability contorting distilled water, the upper current stabilization piece of the circular hole stagger setting in steam evaporator is with
The evaporation for the progress distilled water that current stabilization piece can be stablized and prevent splash, funnel shaped steam evaporator adds surface area per unit volume
Product so that evaporation rate is more stablized；Weighing balance above heating furnace can easily weigh the weight of lower section coke.
(2) a kind of experimental system for being used to detect coke water vapor reaction of the invention, in the upper of steam evaporator
Side is provided with high aluminium ball, and high aluminium ball not only can further strengthen evaporation effect, and can by vapor and other gases into
Row is uniformly mixed so that experiment effect is more preferable.
(3) a kind of experimental system for being used to detect coke water vapor reaction of the invention, sets in the lower end of lower current stabilization piece
Have level probe, for detecting whether liquid level reaches setting value, prevent liquid level it is too low occur evaporated quantity of water it is low or
Liquid level is excessive to there is overflow, causes experimental result inaccurate.
(4) a kind of experimental system for being used to detect coke water vapor reaction of the invention, below steam evaporator
Adapter is made of inner and outer tubes, and inner and outer tubes are connected through a screw thread, and inner tube rotates in outer tube to drive vapor to send out
Raw device in the vertical direction rises or declines, easy to adjust the height of steam evaporator so that steam evaporator is closing
Gasify at suitable temperature, ensure gasification rate.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of experimental system for being used to detect coke water vapor reaction of the present invention；
Fig. 2 is the structure diagram of the evaporation element in the embodiment of the present invention 1；
Fig. 3 is the structure diagram of the evaporation element in the embodiment of the present invention 2；
Fig. 4 is the structure diagram of the evaporation element in the embodiment of the present invention 3；
Fig. 5 is the partial enlarged view of the quartz ampoule lower end of the present invention.
Label declaration in schematic diagram：
100th, transfusion unit；110th, beaker；111st, weighing device；120th, speed-regulating type peristaltic pump；130th, liquid supply pipe；140th, it is close
Blocking；150th, vertical adapter；151st, inner tube；152nd, outer tube；160th, air inlet pipe；
200th, evaporation element；210th, steam evaporator；220th, upper current stabilization piece；221st, circular hole；222nd, bur；230th, it is lower steady
Flow；240th, level detection mechanism；241st, first electrode；242nd, second electrode；243rd, electrical signal detection device；250th, contact is visited
Pin；
300th, heating furnace；310th, quartz ampoule；320th, high aluminium ball, 330, weighing balance；340th, sample cage；
400th, air accumulator.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings, in attached drawing
Some embodiments of the present invention are given, still, the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description, on the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be element placed in the middle；When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements；Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical；Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention；Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Embodiment 1
Referring to the drawings 1, shown in Fig. 2 and Fig. 5, a kind of use for laboratory water vapor generation device of the present embodiment, including infusion
Unit 100, evaporation element 200 and heating furnace 300, transfusion unit 100 are connected with evaporation element 200 by liquid supply pipe 130, evaporation
Unit 200 is arranged in the quartz ampoule 310 inside heating furnace 300.Transfusion unit 100 is used to convey the distilled water needed for experiment,
Evaporation element 200 is used for evaporative distillation water, and heating furnace 300 is used to provide the temperature needed for evaporation, and stone is equipped with the heating furnace 300
Ying Guan, the top of heating furnace 300, which is provided with, weighs balance 330, and weighing 330 lower suspension of balance has sample cage 340, and the water steams
Gas generator 210 is vertically arranged inside quartz ampoule 310.The bottom of the weighing balance 330 is provided with hook of weighing, this claims
Hook is arranged on the central axis of quartz ampoule 310 again, and hook of weighing is hung with sample cage 340 by heat safe wire,
The surface of sample cage 340 is provided with loose structure, which is used for the coke for containing question response.
Transfusion unit 100 in the present embodiment includes beaker 110 and speed-regulating type peristaltic pump 120, and beaker 110 and speed-regulating type are compacted
Dynamic pump 120 is connected by liquid supply pipe 130, and beaker 110 is used to store distilled water, and the lower end of beaker 110 is used equipped with weighing device 111
In the weight for weighing distilled water in beaker 110；Speed-regulating type peristaltic pump 120 is steady by the distilled water of storage in beaker 110 by pipeline
The fixed evaporation element 200 that is conveyed to is evaporated.
Evaporation element 200 in the present embodiment includes funnelform steam evaporator 210, and steam evaporator 210 is set
It is set to the funnel shaped steam evaporator 210 of funnel-form and adds surface area per unit volume product, ensures the stability of water evaporation speed；In detail
It is described as follows：Along on direction straight up, the ratio of surface area and volume is gradually reduced steam evaporator 210 so that
Distilled water is very fast in the programming rate that is heated of steam evaporator 210, the mistake that distilled water moves upwards in steam evaporator 210
Cheng Zhong, the heating surface area of unit volume distilled water are gradually reduced, and distilled water is protected at the top of steam evaporator 210
Larger disengagement area is held, improves evaporation efficiency；And the heating surface area of unit volume is relatively fewer so that distilled water is in water
The evaporated on top of steam generator 210 is relatively steady so that vapor can smoothly enter in quartz ampoule 310.
In addition, 210 lower end of steam evaporator is fixedly connected with vertical adapter 150, adapter 150 includes inner tube vertically for this
151 and outer tube 152,151 helical rotation of inner tube be connected in outer tube 152, the upper end of inner tube 151 and 210 bottom of steam evaporator
Portion is fixedly connected, and the lower end of inner tube 151 is connected with the liquid supply pipe 130 of transfusion unit 100, and outer tube 152 is fixed by sealing-plug 140
In the bottom of quartz ampoule 310, when rotating inner tube 151, inner tube 151 can drive steam evaporator 210 in quartz ampoule 310
Move up and down, and due in the vertical direction in the quartz ampoule 310 of heating furnace 300, there is different thermo parameters methods, pass through tune
Height and position of the water-saving steam generator 210 in quartz ampoule 310, easy to adjust steam evaporator 210 in different height
Heating-up temperature and the rate of heat addition, and then adjust the different different proportions that vapor and coke gasification reaction occurs.
The upper end of steam evaporator 210 in the present embodiment is fixedly connected with current stabilization piece 220 and lower current stabilization piece 230,
For the upper current stabilization piece 220 with being evenly distributed with circular hole 221 on lower current stabilization piece 230, upper current stabilization piece 220 is perpendicular with lower current stabilization piece 230
The diameter of 230 circular hole 221 of current stabilization piece under upward being smaller than of Nogata so that spraying liquid is dropped in through lower 230 circular hole of current stabilization piece
Afterwards, the position of current stabilization piece 220 is reached soon, and is easier to be stopped by upper current stabilization piece 220, and then prevents water because of splash
And cause damages；Upper current stabilization piece 220 is interspersed with the circular hole 221 on lower current stabilization piece 230, i.e., the circular hole 221 of upper current stabilization piece 220
Geometric center with the circular hole 221 of lower current stabilization piece 230 is not in same vertical straight line.When splash occurs for liquid, drop is spraying
Meeting is towards the opening direction movement of steam evaporator 210 under the action of splashing active force, and drop is during upward movement, portion
Liquid separation drop can be stopped by the lower current stabilization piece 230 of high temperature, rest on lower current stabilization piece 230, and rapid by the lower current stabilization piece 230 of high temperature
Gasification production vapor；In addition, the drop of another part can fly out from the circular hole 221 of lower current stabilization piece 230, due to upper current stabilization piece
220 are interspersed with the circular hole 221 on lower current stabilization piece 230 so that even if drop also can through the circular hole 221 of lower current stabilization piece 230
Stopped by upper current stabilization piece 220, and by the upper current stabilization piece 220 of high temperature, gasification produces vapor rapidly, prevents droplets and makes
Into water loss, and then ensure that the accuracy of coke and vapor reaction in experimentation.
The both sides inner wall of the steam evaporator 210 of the lower end of lower current stabilization piece 230 in the present embodiment is examined equipped with liquid level
Mechanism 240 is surveyed, which includes first electrode 241, second electrode 242 and electrical signal detection device 243, and first
Electrode 241 and second electrode 242 are arranged on the side wall of steam evaporator 210, and first electrode 241 and second electrode 242 are set
The lower part of lower current stabilization piece 230 is placed in, first electrode 241 is connected with second electrode 242 by electrical signal detection device 243, electric signal
Detector 243 is arranged at the outside of heating furnace 300, and first electrode 241, second electrode 242 are with electrical signal detection device 243 by resistance to
High temperature wire is connected, and wherein first electrode 241, the material of second electrode 242 are platinum-rhodium alloy；Electrical signal detection device 243 is used
Change in electric between detection first electrode 241 and second electrode 242.Set when liquid level reaches level detection mechanism 240
Height when, the potential between level detection mechanism 240 can change, and be produced between first electrode 241 and second electrode 242
Electric signal, has solution to be connected between first electrode 241 and second electrode 242 so that the detection of electrical signal detection device 243 obtains
Electric signal will send and change, electrical signal detection device 243 detects obtained jump signal and is transferred to speed-regulating type peristaltic pump 120, subtracts
The flow of small speed-regulating type peristaltic pump 120, prevents that the liquid level in steam evaporator 210 is excessive so that in steam evaporator 210
Highest liquid level still be below the lower surface of lower current stabilization piece 230；On the one hand, water is avoided to overflow evaporation element 200；On the other hand,
So that liquid is necessarily required to continue to pass through the circular hole 221 of lower current stabilization piece 230 and upper current stabilization piece 220 during splash occurs,
The drop of splash is possible to splash to the outside of evaporation element 200, thus efficiently avoid droplets and caused by water
Amount loss.
High aluminium ball 320 is provided with quartz ampoule 310 in the present embodiment, which not only can further add
Strong evaporation effect, and vapor can be uniformly mixed with other gases.The lower end of quartz ampoule 310 is equipped with air inlet pipe 160,
The air inlet pipe 160 is connected by sealing-plug 140 with 310 lower end of quartz ampoule, and the mouth of pipe of the air inlet pipe 160 is highly higher than sealing-plug
140 height, prevents 310 bottom ponding of quartz ampoule from overflowing and being discharged by air inlet pipe 160, the exhaust pipe 160 is communicated with storage
Gas tank 400, air accumulator 400 can realize different reaction atmospheres, such as CO2And water vapour.N2With the reaction atmosphere of vapor.
Embodiment 2
Referring to the drawings shown in 1, Fig. 3 and Fig. 5, a kind of use for laboratory water vapor generation device of the present embodiment, it is substantially interior
Hold same as Example 1, its difference is：The lower current stabilization piece 230 is arranged in steam evaporator 210, under described
Current stabilization piece 230 can fluctuate with the height difference of liquid level in steam evaporator 210；The lower end of lower current stabilization piece 230 is not
Equipped with level detection mechanism 240, and the upper end of lower current stabilization piece 230 is equipped with contact probe 250, and contact probe 250 is arranged at water steaming
The side wall of gas generator 210, when current stabilization piece 230 floats with the rise of liquid level instantly, can touch contact probe 250, this
When reduce the power of speed-regulating type peristaltic pump 120, reducing power prevents that liquid level is excessive.
So that the highest liquid level in steam evaporator 210 still is below the upper surface of lower current stabilization piece 230；On the one hand, keep away
Exempt from water and overflow evaporation element 200；On the other hand so that liquid is when occurring splash, necessarily in the circular hole of lower current stabilization piece 230
Occur splash in 221, the directions of droplets is often directly up so that splash drop is easier to be hindered by upper current stabilization piece 220
Block, so as to avoid solution from being lost because of splash.
Embodiment 3
Referring to the drawings shown in 1, Fig. 4 and Fig. 5, a kind of use for laboratory water vapor generation device of the present embodiment, it is substantially interior
Hold same as Example 1, its difference is：The inner side of circular hole 221 is equipped with bur 222, and the bur 222 is by circular hole 221
Inner wall the heart extends thereto so that when spraying liquid is dropped in through circular hole 221, still can be sent out with the bur 222 of the inner side of circular hole 221
Raw collision, avoids splash drop and smoothly passes through circular hole 221.
Further it should be noted that：Bur 222 is arranged to long bur and the short bur that length is interspersed, long bur and
Short bur is interspersed, and not only can sufficiently be contacted, be avoided droplets from through circular hole with by the drop of circular hole 221
221, and can ensure the permeability of circular hole 221, so that vapor is smooth, stablizes, uniformly passes through upper current stabilization piece 220
With lower current stabilization piece 230 in entrance quartz ampoule 310 so that vapor can sufficiently react with coke, and then improve anti-
The accuracy answered.
Embodiment 4
With embodiment 1, difference is the substance of the present embodiment：220 circular hole 221 of upper current stabilization piece it is straight
Footpath is less than the diameter of lower 230 circular hole 221 of current stabilization piece, so as to prevent the drop of splash from continuing to pass through lower current stabilization piece 230 and upper current stabilization
The circular hole 221 of piece 220 and splash avoid water loss to the outside of steam evaporator 210, and then ensure coke and water
The accuracy of vapor reaction.
In addition, 221 section of circular hole of lower current stabilization piece 230 is arranged to irregular circular or polygon, and then increase
The collision probability of splash drop and lower current stabilization piece 230.
Embodiment described above only expresses certain embodiment of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as；It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope；Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. experimental system for being used to detect coke water vapor reaction, it is characterised in that：IncludingTransfusion unit (100), the transfusion unit (100) include beaker (110) and speed-regulating type peristaltic pump (120), the beaker (110) it is connected with speed-regulating type peristaltic pump (120) by liquid supply pipe (130), the transfusion unit (100) is used to convey to device anti- Answer solution；Evaporation element (200), the evaporation element (200) include funnelform steam evaporator (210), and the vapor occurs Device (210) lower end is connected with liquid supply pipe (130), and the upper end of the steam evaporator (210) is equipped with upper current stabilization piece (220) with Current stabilization piece (230), the upper current stabilization piece (220) on lower current stabilization piece (230) with being evenly distributed with circular hole (221)；Heating furnace (300), the heating furnace (300) is interior to be equipped with quartz ampoule (310), and heating furnace is provided with weighing day at the top of (300) Flat (330), weighing balance (330) lower suspension has sample cage (340), and the steam evaporator (210) is vertically arranged at stone English pipe (310) is internal.
- A kind of 2. experimental system for being used to detect coke water vapor reaction according to claim 1, it is characterised in that：Institute State steam evaporator (210) and sample cage (340) is provided with high aluminium ball (320), which is used to carry out gas Mixing, current stabilization and heating.
- A kind of 3. experimental system for being used to detect coke water vapor reaction according to claim 1, it is characterised in that：Institute The circular hole (221) stated on current stabilization piece (220) is staggered with the circular hole (221) on lower current stabilization piece (230).
- A kind of 4. experimental system for being used to detect coke water vapor reaction according to claim 1, it is characterised in that：Institute State the one end of liquid supply pipe (130) away from speed-regulating type peristaltic pump (120) with vertical adapter (150) to be connected, the vertical top for taking over (150) Portion is connected with evaporation element (200), and the vertical adapter (150) is fixed on quartz ampoule (310) lower end by sealing-plug (140).
- A kind of 5. experimental system for being used to detect coke water vapor reaction according to claim 1, it is characterised in that：Institute The lower end for stating quartz ampoule (310) is equipped with air inlet pipe (160), and air inlet pipe (160) passes through under sealing-plug (140) and quartz ampoule (310) End connection, the mouth of pipe of the air inlet pipe (160) are highly higher than the height of sealing-plug (140), and the air inlet pipe (160) is communicated with storage Gas tank (400).
- A kind of 6. experimental system for being used to detect coke water vapor reaction according to claim 1, it is characterised in that：Water Level detection mechanism (240) is provided with steam generator (210), which is arranged at lower current stabilization piece (230) lower part, the level detection mechanism (240) are used to detect the liquid level in steam evaporator (210).
- A kind of 7. experimental system for being used to detect coke water vapor reaction according to claim 2, it is characterised in that：Institute The inner side for stating circular hole (221) is equipped with bur (222), and by the inner wall of circular hole (221), the heart extends the bur (222) thereto.
- A kind of 8. experimental system for being used to detect coke water vapor reaction according to claim 4, it is characterised in that：Institute The vertical adapter (150) stated includes inner tube (151) and outer tube (152), and the outer tube (152) is fixedly installed in sealing-plug (140) on, inner tube (151) is spiral to be installed on outer tube (152), rotates the height that inner tube (151) is used to adjust evaporation element (200) Degree.
- A kind of 9. experimental system for being used to detect coke water vapor reaction according to claim 6, it is characterised in that：Institute The level detection mechanism (240) stated includes first electrode (241), second electrode (242) and electrical signal detection device (243), and first Electrode (241) and second electrode (242) are arranged on the side wall of steam evaporator (210), first electrode (241) and the second electricity Pole (242) is connected by electrical signal detection device (243), and electrical signal detection device (243) is used to detect first electrode (241) and second Change in electric between electrode (242).
- A kind of 10. experimental system for being used to detect coke water vapor reaction according to claim 9, it is characterised in that： The electrical signal detection device (243) is arranged at outside heating furnace (300), the first electrode (241) and second electrode (242) It is connected by high temperature resistant wire with heating furnace (300).
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| CN108918330A (en) * | 2018-05-15 | 2018-11-30 | 内蒙古科技大学 | For studying the device and method that alkali metal STRENGTH ON COKE reactivity influences under vapor and carbon dioxide conditions |
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| CN107957486B (en) | 2024-05-14 |
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