CN109036083A - A kind of device based on Cold simulating test simulation process of setting - Google Patents
A kind of device based on Cold simulating test simulation process of setting Download PDFInfo
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- CN109036083A CN109036083A CN201811016646.3A CN201811016646A CN109036083A CN 109036083 A CN109036083 A CN 109036083A CN 201811016646 A CN201811016646 A CN 201811016646A CN 109036083 A CN109036083 A CN 109036083A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004088 simulation Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 82
- 239000002184 metal Substances 0.000 claims abstract description 82
- 238000002474 experimental method Methods 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 190
- 238000010438 heat treatment Methods 0.000 claims description 40
- 238000009413 insulation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 2
- 210000001787 dendrite Anatomy 0.000 abstract description 27
- 229910000831 Steel Inorganic materials 0.000 abstract description 24
- 239000010959 steel Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 23
- 238000007711 solidification Methods 0.000 abstract description 14
- 230000008023 solidification Effects 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009749 continuous casting Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 59
- 238000002425 crystallisation Methods 0.000 description 23
- 230000008025 crystallization Effects 0.000 description 22
- 238000003860 storage Methods 0.000 description 22
- 230000007423 decrease Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000005204 segregation Methods 0.000 description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000035755 proliferation Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000012128 staining reagent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- -1 Chloride ion Chemical class 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Business, Economics & Management (AREA)
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- Educational Administration (AREA)
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of devices based on Cold simulating test simulation process of setting, belong to continuous casting of iron and steel technical field.A kind of device based on Cold simulating test simulation process of setting of the invention, including experiment pool, the side of the experiment pool are provided with metal plate, and the angle between metal plate and horizontal plane is a, 30~80 ° of the range of a;Exchange heat pond, and the side in the heat exchange pond is provided with heat exchange mouth, which is fitted with experiment pool, and metal plate separates in heat exchange pond with experiment pool.The effect of mock inspection solidification of molten steel crystalline rain phenomenon and dendrite shape and structure can be improved in the present invention.
Description
Technical field
The present invention relates to continuous casting of iron and steel fields, simulate process of setting based on Cold simulating test more specifically to a kind of
Device.
Background technique
The solidified structure of molten steel has certain influence to the performance of steel in steelmaking process, the solidification theory of molten steel mainly from
From the perspective of thermal conduction study, the size, setting time, the relationship of coagulating property and quality of solidification zone are studied.Steel is in continuous casting process
In usually solidified in a manner of dendrite, pine-tree structure is main Microstructure characteristics in steel process of setting.Dendrite is solidification
Generally existing a kind of tissue in the process, it decides the distribution of microsegregation, substructure and secondary phase in solidified structure, from
And there is conclusive influence to the performance of material.The formation and influence factor for understanding dendrite, can be to avoid the component segregation of material
And fault of construction, and then the performance of material is improved, so the research of dendrite has important theory significance and practical significance.
It is both at home and abroad at present to static tissue after solidification of molten steel mostly to the research of dendrite and segregation in the solidified structure of steel
, shorter mention is to the dynamic studies of dendrite in process of setting and segregation, because directly observing the knot in molten steel under hot conditions
Brilliant and segregation behavior, studies the process of setting of molten steel, is there is great difficulty under the conditions of current technology, this makes
We cannot go the mechanism for understanding the true crystallization process of molten steel and segregation is formed well, can only rely on relevant calculation and hypothesis
Go construction high-temperature molten steel crystallization and segregation model, real process we do not know.Therefore a research solidification of molten steel mistake is designed
Journey experimental facilities is necessary, and has important theory and realistic meaning.
For steel liquid solidification simulator problem, applicant has applied for a patent, invention and created name are as follows: steel before this
Liquid solidification simulation device (application number: 201810861182X;The applying date: on July 31st, 2018);A kind of molten steel of this application is solidifying
Gu simulator includes that experiment pool, heat exchange pond, scope and water supplying unit, the bottom of experiment pool are equipped with metal plate, surrounding
Heating plate is installed outside side wall;The one end in heat exchange pond is provided with water inlet, and the other end in the pond that exchanges heat is provided with water outlet, experiment
Pond is installed on heat exchange pond, and will exchange heat pond and experiment pool of metal plate separates;Scope is set to the top of experiment pool;It supplies water
Unit includes boiler and cold water storage cistern, and the hot-water outlet pipe of boiler is connected with water inlet by pipeline, is equipped on hot-water outlet pipe
The cold water pipe that goes out of first cold valves, cold water storage cistern is connected by pipeline with water inlet, is equipped with the first hot water valve on cold water pipe out.From
And the crystallization behavior during solidification of molten steel can be simulated.But this application is disadvantageous in that: observation crystalline rain phenomenon
It is ineffective, greatly affect the simulation effect of experiment.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art, crystalline rain phenomenon effect is observed not in solidification of molten steel simulated experiment
It is good, and crystal shape structure destroys serious, to cause the simulation effect of experiment poor deficiency during the experiment, provides one
Device of the kind based on Cold simulating test simulation process of setting, can be improved the simulation effect of solidification of molten steel experiment.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of device based on Cold simulating test simulation process of setting of the invention, including experiment pool, the side of the experiment pool
It is provided with metal plate, the angle between metal plate and horizontal plane is a, 30~80 ° of the range of a;Exchange heat pond, the side in the heat exchange pond
It is provided with heat exchange mouth, which is fitted with experiment pool, and metal plate separates in heat exchange pond with experiment pool.
Preferably, one end of experiment pool is provided with heat insulating member, is provided with mounting groove on heat insulating member, and the mounting groove is chimeric
Metal plate is installed.
Preferably, one end of experiment pool is provided with sliding rail, and sliding rail is contained in heat exchange pond, and bubble is slidably fitted on sliding rail
Brush, bubble brush are in contact with metal plate.
Preferably, the value range of a is 45~75 °.
Preferably, other side walls and bottom plate of experiment pool are transparent panel, and the outside of the transparent panel is provided with transparent heating film.
Preferably, heat exchange pond side wall is not contacted with transparent heating film.
Preferably, the lateral wall of heat insulating member and heat exchange mouth are tightly connected, and heat insulating member inner sidewall and metal plate sealing connect
It connects.
Preferably, it exchanges heat and is provided with water outlet at the top of pond, the bottom in the pond that exchanges heat is provided with water inlet.
Preferably, water outlet is set to heat exchange pond close to the side of metal plate.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of device based on Cold simulating test simulation process of setting of the invention, the folder between metal plate and horizontal plane
Angle is a, 30~80 ° of the range of a, since metal plate is to be obliquely installed, so as to cause the cooling generated dendrite meeting of experimental solutions
It is affected by gravity the decline that falls off from metal plate, and can also generate dendrite inside experimental solutions, generated dendrite is declining
It can occur to fuse in the process or be proliferated, and then experimenter observes crystalline rain phenomenon with can be convenient during the experiment;And
And the dendrite of portion's disengaging will not be in contact with the dendrite of metal plate lower part on a metal plate, and then will not destroy metal plate lower part
Pine-tree structure so that experimenter can observe intact pine-tree structure, and then improves the simulation effect of experiment.
(2) a kind of device based on Cold simulating test simulation process of setting of the invention, is arranged in the motor that bubble paints and drives
Bubble brush of taking offence can reciprocatingly slide along the length direction of sliding rail;The top of bubble brush is in contact with the lower part of metal plate, bubble
Brush in the process of reciprocating, wipe by the bubble that metal sheet surface can be adhered to, so that bubble is separated with metal plate, improves
The heat transfer effect between water and metal plate in heat exchange pond, and then reduce the error of experiment.
(3) a kind of device based on Cold simulating test simulation process of setting of the invention passes through before experimental solutions are added
Transparent heating film carries out heating and thermal insulation to experiment pool surrounding side wall, and the hot water in boiler carries out the metal plate of experiment bottom of pond portion
Heating and thermal insulation, so that the temperature of experiment pool surrounding side wall and metal plate is not less than the temperature of experimental solutions, to avoid reality
It tests when solution is added to experiment pool and crystallizes precipitation immediately, the crystallization behavior during solidification of molten steel can be simulated, improved simultaneously
Observing effect in experimental solutions crystallization process.
(4) a kind of device based on Cold simulating test simulation process of setting of the invention, the insulation part of experiment pool side wall setting
Part avoids metal plate and directly contacts with transparent heating film, so that metal plate is not in cooling procedure by transparent heating film temperature
The influence of degree, and then improve the simulation effect of experiment.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of device that process of setting is simulated based on Cold simulating test of the invention;
Fig. 2 is the overall structure diagram of experimental system of the embodiment 2 including simulator of the present invention;
Fig. 3 is the overall structure diagram of experimental system of the embodiment 3 including simulator of the present invention;
Fig. 4 is the overall structure diagram of experiment pool of the invention;
Fig. 5 is the structural schematic diagram of experiment pool of the invention without metal plate;
Fig. 6 is the structural schematic diagram in heat exchange pond of the invention.
Label declaration in schematic diagram:
100, experiment pool;110, heat insulating member;120, transparent heating film;130, metal plate;140, bubble brush;150, electric
Machine;
200, exchange heat pond;201, water inlet;202, water outlet;203, exchange heat pond side wall;204, exchange heat mouth;210, hot water
Case;211, go out hot water valve;212, into hot water valve;220, cold water storage cistern;221, ice storage box;222, go out cold valves;223, into cold valves;
230, case is drained;231, drain valve;232, breather valve;
300, the first water pump;310, the second water pump;
400, scope;
500, hot-water outlet pipe;510, go out cold water pipe;520, the first water inlet pipe;530, the second water inlet pipe;540, drainage tube;
550, snorkel;560, the first outlet pipe;570, the second outlet pipe;580, into hot-water line;590, into cold water pipe.
Specific embodiment
Hereafter detailed description of the present invention and example embodiment are more fully understood in combination with attached drawing, wherein of the invention
Element and feature are identified by appended drawing reference.
Embodiment 1
In conjunction with shown in Fig. 1, Fig. 4 and Fig. 5, a kind of device based on Cold simulating test simulation process of setting of the present embodiment, packet
Experiment pool 100 and heat exchange pond 200 are included, one end of experiment pool 100 is provided with heat insulating member 110, peace is provided on heat insulating member 110
Tankage, the mounting groove is chimeric to be equipped with metal plate 130, and metal plate 130 can be copper plate or aluminium sheet or silver plate;This implementation
It is copper plate that example, which uses, on the one hand can guarantee the heating conduction of metal plate 130, and on the other hand, copper plate has anticorrosive
Property and certain mechanical strength, and greatly reduce experimental cost.In the present embodiment, other side walls of experiment pool 100 and bottom
Plate is transparent panel, and the outside of the transparent panel is provided with transparent heating film 120, heat insulating member 110 avoid metal plate 130 with it is transparent
Heating film 120 directly contacts, so that metal plate 130 is not influenced in cooling procedure by 120 temperature of transparent heating film;Gold
Belonging to the angle between plate 130 and horizontal plane is a, and 30~80 ° of the range of a, the value of a is 80 ° in the present embodiment, due to metal plate
130 be to be obliquely installed, and can be affected by gravity under falling off from metal plate 130 so as to cause the cooling generated dendrite of experimental solutions
Drop, and dendrite can be also generated inside experimental solutions, generated dendrite can occur to fuse or is proliferated during decline, in turn
Experimenter observes crystalline rain phenomenon with can be convenient during the experiment, improves the simulation effect of experiment.In addition, a
Value can also be 30 °, and 130 tilt angle of metal plate is small, and experimental solutions dendrite caused by metal plate 130 can be easily
It is detached from from 130 surface of metal plate, is also easy to produce crystalline rain phenomenon;And the dendrite of disengaging will not be with metal on 130 top of metal plate
The dendrite of 130 lower part of plate is in contact, and then will not destroy the pine-tree structure of 130 lower part of metal plate, so that experimenter can see
Intact pine-tree structure is examined, and then improves the simulation effect of experiment.Transparent heating film 120 originates from Shenzhen national strength and prestige in the present embodiment
Prestige Electrical Appliances Co., Ltd, the transparent heating film 120 are substrate using PET;Transparent heating film 120 is used for the side to experiment pool 100
Wall and bottom plate carry out heating and thermal insulation, and the experimental solutions in experiment pool 100 is avoided cool down on side wall and bottom plate precipitations, and reduction is tested
Error, while ensure that experimental solutions in the quantity of metal plate 130 precipitated crystal, so that foot can be precipitated on metal plate 130
Enough crystal samples improve the observing effect of experiment;
Heat exchange pond 200 is connected with experiment pool 100, specifically describes as follows: heat exchange 200 side of pond is provided with heat exchange mouth
204,100 one end of experiment pool is installed in heat exchange mouth 204, and the lateral wall of heat insulating member 110 and heat exchange mouth 204 are tightly connected,
So as to avoid water flow from flowing out from gap, it is ensured that the leakproofness of device.Metal plate 130 by experiment pool 100 and heat exchange pond 200
It separates;The bottom in heat exchange pond 200 is provided with water inlet 201, and the top in heat exchange pond 200 is provided with water outlet 202, water outlet
202 side is connected (as shown in Figure 6) with heat exchange pond side wall 203, changes so that bubble can leave with water flow from water outlet 202
Hot pond 200, and then water flow is improved to the heating effect or cooling effect of metal plate 130.
Embodiment 2
As shown in connection with fig. 2, the basic content of the present embodiment is with embodiment 1, the difference is that: the present embodiment it is a kind of just
In the experimental provision that the experimental system of observation solidification of molten steel process crystallization rain phenomenon includes embodiment 1, specifically, including experiment pool
100, exchange heat pond 200, water supplying unit, the first water pump 300 and scope 400, the heating temperature of the transparent heating film 120 of the present embodiment
Degree is 90 ± 2 DEG C, and transparent heating film 120 is equipped with thermal detector, and thermal detector is used to detect the temperature of transparent heating film 120;
It is not contacted between transparent heating film 120 and heat exchange pond side wall 203, so that cold water temperature is or not heat exchange pond 200 when being passed through cold water
It is influenced by 120 temperature of transparent heating film, and then sub-cooled can be carried out to metal plate 130.
Water supplying unit is connected with heat exchange pond 200, and water supplying unit includes cold water storage cistern 220, and cold water storage cistern 220 goes out cold water pipe
510 are connected by pipeline with water inlet 201, are provided with the first water pump 300 between cold water pipe 510 and water inlet 201 out, so as to
Being pumped into cold water to heat exchange pond 200, and then metal plate 130 can be cooled down, so that experimental solutions are in metal plate 130
Crystallization is precipitated;Cold valves 222 are installed out on cold water pipe 510 out, and are provided with ice storage box 221, ice storage box in the cold water storage cistern 220
Ice cube is loaded in 221, ice cube can cool down the water in cold water storage cistern 220, so that it is guaranteed that water maintains in cold water storage cistern 220
Low-temperature condition, wherein the temperature of the water in the cold water storage cistern 220 of the present embodiment is 0~4 DEG C, and then be can be improved to metal plate 130
Cooling effect.It is specifically described as follows: going out the water inlet end phase that cold water pipe 510 passes through the first water inlet pipe 520 and the first water pump 300
Even, the water outlet of the first water pump 300 is connected by the second water inlet pipe 530 with water inlet 201.The water outlet 202 in heat exchange pond 200 is logical
It crosses the first outlet pipe 560 to be connected with cold water storage cistern 220, so that cold water can be recycled to cold water storage cistern 220 by the first outlet pipe 560
It is interior, and then saved cold water resource.
Side of the experiment pool 100 far from metal plate 130 is arranged in scope 400 in the present embodiment, real during the experiment
The personnel of testing can be observed by crystallization process of the scope 400 to experimental solutions, and specifically, experimenter passes through scope
400 are observed through transparent heating film 120 and transparent panel.
A kind of experimental method of mock inspection solidification of molten steel process crystallization rain phenomenon of the present embodiment, transparent heating film 120
Side wall and bottom to experiment pool 100 carry out heating and thermal insulation;The cold water of cold water storage cistern 220 enters to heat exchange pond 200 by pipeline
Interior, the cold water to exchange heat in pond 200 cools down metal plate 130, and experimental solutions are precipitated in 130 surface crystallization of metal plate, and
Also precipitation can be crystallized inside experimental solutions, the dendrite of generation can be affected by gravity decline, and dendrite can be sent out during decline
Raw fusing or proliferation, while crystallization process is observed using scope 400.Specific step are as follows:
Step 1: heating and thermal insulation
The transparent heating film 120 of the bottom installation of the side wall outside of experiment pool 100 and experiment pool 100 is carried out electricity to add
Heat, so that the bottom temp of the side wall temperatures of experiment pool 100 and experiment pool 100 is not less than the temperature of experimental solutions;
Step 2: experimental solutions are added
Experimental solutions are poured into experiment pool 100, experimental solutions NH4Cl aqueous solution or Na2S2O3Aqueous solution, this
Experimental solutions used by embodiment are NH4Cl saturated aqueous solution, the temperature of the experimental solutions of addition are 80 ± 2 DEG C;To experiment
Pond 100 has carried out the pre-heat treatment, so as to avoid experimental solutions from crystallizing immediately when being poured into experiment pool 100;
Step 3: simulation crystalline rain phenomenon
After pouring into experimental solutions, the first water pump 300 is opened;First water pump 300 pumps the cold water of cold water storage cistern 220 to changing
In hot pond 200, cold water is entered in heat exchange pond 200 by water inlet 201, and cold water is followed through water outlet 202 and the first outlet pipe 560 again
In ring to cold water storage cistern 220;Cold water is lasting during flowing in and out in the pond 200 that exchanges heat to cool down metal plate 130,
So that the temperature of metal plate 130 reduces rapidly, experimental solutions are precipitated in 130 surface crystallization of metal plate, also tie inside experimental solutions
Partial crystallization goes out, and the dendrite of generation can decline under the effect of gravity, and dendrite generates fusing or proliferation during decline, then generates and finish
Brilliant rain phenomenon;
Using the method for the system observation simulation crystalline rain phenomenon of the present embodiment are as follows: to test using above-mentioned step molten
Crystalline rain phenomenon is generated inside liquid, and crystalline rain phenomenon is observed using scope 400 simultaneously.
Embodiment 3
As shown in connection with fig. 3, the basic content of the present embodiment is with embodiment 2, the difference is that: water supplying unit further includes heat
Water tank 210, boiler 210 is interior to be arranged having heaters, and the heater is for heating hot water in boiler 210, so that hot
Water temperature in water tank 210 maintains 90 ± 2 DEG C;Boiler 210 is connected with hot-water outlet pipe 500, is equipped with out on hot-water outlet pipe 500
Hot water valve 211;Hot-water outlet pipe 500 is connected by pipeline with water inlet 201, is provided between hot-water outlet pipe 500 and water inlet 201
First water pump 300 so as to be pumped into hot water to heat exchange pond 200, and then can carry out heating and thermal insulation to metal plate 130;
Hot-water outlet pipe 500 and water inlet 201 specifically connection type are as follows: hot-water outlet pipe 500 passes through the first water inlet pipe 520 and the first water pump
300 water inlet end is connected, and the water outlet of the first water pump 300 is connected by the second water inlet pipe 530 with water inlet 201;Second water inlet
The lower part of pipe 530 is provided with drainage case 230, and drainage case 230 is connected with the bottom of the second water inlet pipe 530 by drainage tube 540, is drawn
Drain valve 231 is provided in flow tube 540;Wherein, height of the level height lower than all pipelines mentioned in text of case 230 is drained
Degree;In needing to be discharged the second water inlet pipe 530 when remaining water, opens drain valve 231 and make the second water inlet pipe 530 and drainage tube
540 are connected, and the remaining water of the second water inlet pipe 530 can be drained into rapidly in drainage case 230, so that the heat in heat exchange pond 200
Water or cold water can be replaced rapidly.
In the present embodiment, water outlet 202 is connected by the first outlet pipe 560 with the water inlet end of the second water pump 310, and first goes out
It is provided with snorkel 550 on water pipe 560, breather valve 232 is provided on snorkel 550;Needing will exchange heat pond 200 and pipeline
When interior water empties, the breather valve 232 on snorkel 550 is opened, the outside pressure in drainage procedure is avoided to be greater than in device
Pressure, so that the shipwreck in device to be to be discharged, so that the water in heat exchange pond 200 and pipeline is smoothly discharged.The
Two water pumps, 310 water outlet is connected with into hot-water line 580 and into cold water pipe 590 respectively by the second outlet pipe 570, into hot-water line
580 are located at the top of boiler 210, so that water outlet 202 is connected with boiler 210 indirectly, used in warm
Hot water can be flow back into boiler 210 through pipeline, recycled to hot water, thermal water resource is greatly saved;Into heat
It is provided on water pipe 580 into hot water valve 212, is controlled for the recovery processing to hot water;It is located at cold water storage cistern into cold water pipe 590
220 top, the cold water used in crystallisation by cooling process can be recycled in cold water storage cistern 220 through pipeline, carry out to cold water
It recycles;It is provided on into cold water pipe 590 into cold valves 223, is controlled for the recovery processing to cold water.
Hot water in boiler 210 is entered in heat exchange pond 200 by pipeline, and the hot water to exchange heat in pond 200 is to metal plate
130 are heated;Transparent heating film 120 carries out heating and thermal insulation to the side wall of experiment pool 100 and bottom;Experimental solutions are fallen again
Enter to experiment pool 100, then after the hot water discharge in pond 200 that will exchange heat, the cold water in cold water storage cistern 220 is entered by pipeline
To heat exchange pond 200, the cold water to exchange heat in pond 200 cools down metal plate 130, and experimental solutions are in 130 surface crystallization of metal plate
It is precipitated, and can also crystallize precipitation inside experimental solutions, while observing crystallization process using scope 400.Specifically
Step are as follows:
Step 1: heating and thermal insulation
The transparent heating film 120 of the bottom installation of the side wall outside of experiment pool 100 and experiment pool 100 is carried out electricity to add
Heat, so that the bottom temp of the side wall temperatures of experiment pool 100 and experiment pool 100 is not less than the temperature of experimental solutions;This implementation
Go out on cold water pipe 510 in example and be provided with out cold valves 222, and all valves are initially all in closed state;First open out hot water
Valve 211, the first water pump 300 and breather valve 232;The hot water of boiler 210 is under the action of the first water pump 300 is pumped, by intaking
Mouth 201 flows into heat exchange pond 200, is flowed out by water outlet 202, when snorkel 550 has hot water spilling, illustrates the pond 200 that exchanges heat
It is interior to be full of hot water, breather valve 232 is closed at this time;Hot water is lasting to metal during flowing in and out in the pond 200 that exchanges heat
Plate 130 is heated;
Step 2: experimental solutions are added
Experiment pool 100 is poured into when the temperature of metal plate 130 is not less than the temperature of experimental solutions, then by experimental solutions
It is interior, experimental solutions NH4Cl aqueous solution or Na2S2O3Aqueous solution, experimental solutions used by the present embodiment are NH4Cl saturated water
Solution, the temperature of the experimental solutions of addition are 80 ± 2 DEG C;The pre-heat treatment is carried out to experiment pool 100, so as to avoid testing
Solution crystallizes immediately when being poured into experiment pool 100;
Step 3: discharge hot water
The first water pump 300 is first closed, hot water valve 211 is turned off out, then opens breather valve 232 and makes pipeline and the external world even
It is logical;Drain valve 231 is then turned on, so that the second water inlet pipe 530 is connected with drainage tube 540, so that the hot water in heat exchange pond 200
And second water inlet pipe 530 hot water drain into drainage case 230 in, the remaining water of remaining pipes can also drain;
Step 4: simulation crystalline rain phenomenon
Drain valve 231 is closed, and opens out cold valves 222, so that cold water storage cistern 220 is connected to the first water inlet pipe 520, simultaneously
Open the first water pump 300;First water pump 300 pumps the cold water of cold water storage cistern 220 to heat exchange pond 200, and cold water is by water inlet 201
It enters in heat exchange pond 200, is flowed out by water outlet 202, when snorkel 550 has cold water spilling, illustrate to be full of in heat exchange pond 200
Hot water closes breather valve 232 at this time;Cold water exchange heat pond 200 in flow in and out during it is lasting to metal plate 130 into
Row cooling, so that the temperature of metal plate 130 reduces rapidly, experimental solutions are precipitated in 130 surface crystallization of metal plate, in experimental solutions
Portion also crystallizes precipitation, and the dendrite of generation can decline under the effect of gravity, and dendrite generates fusing or proliferation during decline, then produces
Crystalline rain phenomenon is given birth to;
Using the method for the system observation simulation crystalline rain phenomenon of the present embodiment are as follows: to test using above-mentioned step molten
Crystalline rain phenomenon is generated inside liquid, and crystalline rain phenomenon is observed using scope 400 simultaneously.
The present invention carries out heating and thermal insulation to metal plate 130 by the hot water of boiler 210 before experimental solutions are added, and makes
The temperature for obtaining metal plate 130 is not less than the temperature of experimental solutions, crystallizes immediately when avoiding for experimental solutions being added to experiment pool 100
It is precipitated, experimenter is difficult to effectively observe experimental solutions crystallization precipitation process, affects the effect of experiment.
Embodiment 4
The basic content of the present embodiment with embodiment 1, the difference is that: during the experiment, exchange heat pond 200 in gas
It steeps oneself-meeting and is attached to the surface of metal plate 130.The bottom of experiment pool 100 is provided with sliding rail, which is located under metal plate 130
Portion, bubble brush 140 are slidably mounted on sliding rail, motor 150 are provided on bubble brush 140, motor 150 is for driving bubble brush
140 can reciprocatingly slide along the length direction of sliding rail;The top of bubble brush 140 is in contact with the surface of metal plate 130, bubble
Brush 140 in the process of reciprocating, wipe, so that attached bubble and metal plate by the bubble that 130 surface of metal plate can be adhered to
130 surface separation, the bubble after separation is discharged under the drive of hot water or cold water from water outlet 202, so as to improve
Cooling effect of the water flow to metal plate 130.
Embodiment 5
The basic content of the present embodiment with embodiment 1, the difference is that: the value range of a be 45~75 °, this implementation
Example in a value be can be 45 °, 60 ° and 75 °, effect acquired by three kinds of angles is essentially identical.Specifically effect are as follows: real
Testing solution generated dendrite on metal plate 130 largely can all be detached from metal plate 130, and dendrite can occur during decline
Fusing or proliferation;Under the action of cold water, the temperature of metal plate 130 can be gradually reduced, to will lead to the temperature of experimental solutions
Decline, and then experimental solutions internal crystallization is caused to be precipitated, the dendrite of generation can be also affected by gravity to be declined inside experimental solutions,
To which experimenter is clearly observed that crystalline rain phenomenon, the simulation effect of experiment is improved.
Embodiment 6
The basic content of the present embodiment with embodiment 1, the difference is that: seen in the crystallization process to experimental solutions
It is clearer so as to be carried out to crystallization process with Crystallization striking contrast by the way that some staining reagents are added when examining
Observation;Potassium permanganate or CuCl can be used in experimentation2Solution is as staining reagent.Experiment used by the present embodiment
Solution is NH4Cl saturated aqueous solution, the staining reagent of addition are CuCl2Solution, due to NH4Cl-H2The transparent property of O solution and
NH4The translucence of Cl crystal, CuCl2Solution be it is light blue can be with the NH of translucence4Cl Crystallization striking contrast,
Experimenter can more easily observe;And CuCl2Chloride ion in solution can promote NH4The precipitation of Cl, thus real
More polycrystal can be precipitated by testing solution, improve the simulation effect of experiment.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of device based on Cold simulating test simulation process of setting, it is characterised in that: including
Experiment pool (100), the side of the experiment pool (100) are provided with metal plate (130), between metal plate (130) and horizontal plane
Angle be a, 30~80 ° of the range of a;
It exchanges heat pond (200), the side in the heat exchange pond (200) is provided with heat exchange mouth (204), which is fitted with
Experiment pool (100), metal plate (130) separate heat exchange pond (200) with experiment pool (100).
2. a kind of device based on Cold simulating test simulation process of setting according to claim 1, it is characterised in that: experiment pool
(100) one end is provided with heat insulating member (110), and heat insulating member is provided with mounting groove on (110), and the mounting groove is chimeric to be equipped with
Metal plate (130).
3. a kind of device based on Cold simulating test simulation process of setting according to claim 1, it is characterised in that: experiment pool
(100) one end is provided with sliding rail, and sliding rail is contained in heat exchange pond (200), and bubble brush (140), gas are slidably fitted on sliding rail
Bubble brush (140) is in contact with metal plate (130).
4. a kind of device based on Cold simulating test simulation process of setting according to claim 1, it is characterised in that: a's takes
Being worth range is 45~75 °.
5. a kind of device based on Cold simulating test simulation process of setting according to claim 1, it is characterised in that: experiment pool
(100) other side walls and bottom plate are transparent panel, and the outside of the transparent panel is provided with transparent heating film (120).
6. a kind of device based on Cold simulating test simulation process of setting according to claim 1, it is characterised in that: heat exchange pond
Side wall (203) is not contacted with transparent heating film (120).
7. a kind of device based on Cold simulating test simulation process of setting according to claim 3, it is characterised in that: insulation part
The lateral wall of part (110) and heat exchange mouth (204) are tightly connected, and heat insulating member (110) inner sidewall and metal plate (130) sealing connect
It connects.
8. a kind of device based on Cold simulating test simulation process of setting, feature described in -7 any tops exist according to claim 1
In: it is provided with water outlet (202) at the top of heat exchange pond (200), the bottom of heat exchange pond (200) is provided with water inlet (201).
9. a kind of device based on Cold simulating test simulation process of setting according to claim 8, it is characterised in that: water outlet
(202) heat exchange pond (200) is set to close to the side of metal plate (130).
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