CN208903550U

CN208903550U - A kind of experimental provision of mock inspection molten steel crystallization

Info

Publication number: CN208903550U
Application number: CN201821226231.4U
Authority: CN
Inventors: 陈良; 马洪雪; 朱正海
Original assignee: Maanshan Shangyuan Metallurgical Technology Co Ltd
Current assignee: Maanshan Shangyuan Metallurgical Technology Co Ltd
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2019-05-24
Anticipated expiration: 2028-07-31

Abstract

The utility model discloses a kind of experimental provisions of mock inspection molten steel crystallization, belong to continuous casting of iron and steel technical field.A kind of experimental provision of mock inspection molten steel crystallization of the utility model includes: experiment pool, and the bottom of the experiment pool is equipped with metal plate, is equipped with heating plate outside the surrounding side wall of experiment pool；Heating plate is divided into one section of heating plate, two sections of heating plate and three sections of heating plate from top to bottom；Exchange heat pond, and the both ends in the pond that exchanges heat are respectively arranged with inlet and outlet, and experiment pool is installed on heat exchange pond, and metal plate will exchange heat pond and experiment pool separates；Scope, scope are set to the top of experiment pool, are slidably mounted on guide rail；Water supplying unit, the water supplying unit include boiler and cold water storage cistern, and the hot-water outlet pipe of boiler and the cold water pipe out of cold water storage cistern pass through pipeline respectively and be connected with water inlet, wherein are equipped with the first hot water valve on hot-water outlet pipe, are equipped with the first cold valves on cold water pipe out.The utility model can simulate the crystallization behavior during solidification of molten steel.

Description

A kind of experimental provision of mock inspection molten steel crystallization

Technical field

The utility model relates to continuous casting of iron and steel technical fields, more specifically to a kind of crystallization of mock inspection molten steel Experimental provision.

Background technique

The solidified structure of molten steel has certain influence to the performance of steel in steelmaking process.Currently, both at home and abroad to solidification of molten steel The research of tissue is the research to static tissue after solidification of molten steel, for the dynamic studies during solidification of molten steel, due to existing There is the deficiency of technology difficult to realize；So needing to design a set of experimental provision for simulating molten steel crystallisation by cooling to simulate solidification of molten steel Process, so as to realize the dynamic studies to solidification of molten steel process；The design of this imitative experimental appliance has great meaning Justice.

Currently, being directed to steel liquid solidification simulator problem, the prior art also proposed some solutions, such as patent public affairs The number of opening: CN105014033A, a kind of publication date: on November 4th, 2015, invention and created name are as follows: simulation continuous casting billet solidified structure The method of growth course, that application discloses a kind of methods for simulating continuous-casting billet coagulation tissue growth process.This method is: simulation The steel material of continuous casting billet solidification processing is melted and is poured in resistance furnace, and the steel sample length after being poured is thick for the continuous casting billet simulated The 1/2 of degree；Steel sample one end passes through circulating water；The liquidus temperature ladder of regulation steel sample is realized by sectional temperature-controlled heating furnace Degree drives heating furnace or steel sample to regulate and control solid liquid interface movement speed, is allowed to consistent with continuous casting billet using linear motor, thus Simulate the solidified structure growth course of continuous casting billet.Steel sample is melted and is solidified under vacuum or high-purity atmosphere protection, can avoid oxidation Or element evaporation.Method provided by the utility model is reproduced the process of setting of continuous casting billet using small size steel sample, can observed Affecting laws of the forming process and casting parameters of continuous casting billet solidified structure and defect to casting blank solidification tissue.But it should Application scheme is disadvantageous in that: the steel liquid solidification simulator of this application is complex, and cost is relatively high.

It is existing skill in conclusion providing a kind of experimental provision that can simulate the crystallization behavior during solidification of molten steel In art the technical issues of urgent need to resolve.

Utility model content

1. utility model technical problems to be solved

The purpose of the utility model is to overcome, be difficult to directly observe molten steel crystallization behavior in the prior art under hot conditions Deficiency, provide a kind of experimental provision of mock inspection molten steel crystallization, the crystallization behavior during solidification of molten steel can be simulated.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model are as follows:

The experimental provision of a kind of mock inspection molten steel crystallization of the utility model, comprising: experiment pool, the bottom of the experiment pool Metal plate is installed, heating plate is installed outside the surrounding side wall of experiment pool；Heating plate by one section of heating plate, two sections of heating plate and Three Duan Zucheng of heating plate, one section of top of heating plate and flush at the top of experiment pool, two sections of heating plate are set to one section of heating plate Lower part, three sections of heating plate are set to two sections of heating plate of lower part；Exchange heat pond, and the one end in the heat exchange pond is provided with water inlet, exchanges heat The other end in pond is provided with water outlet, and experiment pool is installed on heat exchange pond, and metal plate will exchange heat pond and experiment pool separates；It sees Instrument is examined, which is set to the top of experiment pool, is slidably mounted on guide rail, and scope can be sliding along the length direction of guide rail It is dynamic；Water supplying unit, the water supplying unit include boiler and cold water storage cistern, and the hot-water outlet pipe of boiler passes through pipeline and water inlet phase Even, the first hot water valve is installed, the cold water pipe that goes out of cold water storage cistern is connected by pipeline with water inlet, out on cold water pipe on hot-water outlet pipe First cold valves are installed, are provided with storage chamber in cold water storage cistern.

Preferably, one section of heating plate of width is D1, and the width that two sections of heating plate is D2, and the width that three sections of heating plate is D3；D2≥D1；Or/and D2 >=D3.

Preferably, the first water pump is provided on the pipeline of hot-water outlet pipe and water inlet, and/or cold water pipe and water inlet out The first water pump is provided on pipeline.

Preferably, the bottom of experiment pool is provided with sliding rail, which is located at the lower part of metal plate, and bubble brush is slidably mounted on On sliding rail；The top of bubble brush is in contact with the lower part of metal plate.

Preferably, D2=1.2~1.5D1；Or/and D2=1.2~1.5D3.

Preferably, hot-water outlet pipe and cold water pipe is connected with the first water inlet pipe respectively out, the first water inlet pipe and the first water pump into Water end (W.E.) is connected, and the first water pump water outlet end is connected by the second water inlet pipe with water inlet.

Preferably, the lower part of the first water inlet pipe is provided with drainage case, and drainage case passes through the bottom of drainage tube and the first water inlet pipe Portion is connected, and is provided with drain valve on the drainage tube.

Preferably, it is provided with snorkel on the second water inlet pipe, is provided with breather valve on snorkel.

Preferably, the bottom of experiment pool side wall is provided with heat insulating member, is provided with mounting groove on the heat insulating member, the installation It is fitted into slot and metal plate is installed.

Preferably, the level height of three sections of bottoms of heating plate is lower than the level height at the top of heat insulating member.

3. beneficial effect

Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:

(1) a kind of experimental provision of mock inspection molten steel crystallization passes through before experimental solutions are added in the utility model Heating plate carries out heating and thermal insulation to experiment pool surrounding side wall, and one section of heating plate is heated experiment pool surrounding side wall upper part, to make Obtaining experimental solutions will not crystallize and be precipitated due to contacting with air cooling, and then the stability of experimental solutions temperature can be improved； Heating in the middle part of two sections of the heating plate surrounding side walls to experiment pool, so that the temperature of the experimental solutions of experiment pool central region keeps steady It is fixed, and the experimental solutions of central region can conduct heat to the experimental solutions of lower area, and then can be molten to avoid testing The internal crystallization of liquid is precipitated, and improves the simulation effect of experiment；Three sections of heating plate are heated experiment pool surrounding lower sidewall, It can not only crystallize and be precipitated in experiment pool surrounding lower sidewall to avoid experimental solutions, but also can be dropped to avoid inside experimental solutions Temperature crystallization be precipitated so that experimental solutions only metal plate surface crystallization be precipitated, consequently facilitating experimenter to experimentation into Row observation, improves the observing effect in experimentation；Hot water in boiler heats the metal plate of experiment bottom of pond portion Heat preservation, so that the temperature of experiment pool surrounding side wall and metal plate is not less than the temperature of experimental solutions, to avoid to test molten Liquid crystallizes precipitation when being added to experiment pool immediately, can simulate the crystallization behavior during solidification of molten steel, while improving experiment Observing effect in solution crystallization process；Overcome the deficiency for being difficult to directly observe molten steel crystallization behavior under hot conditions.

(2) a kind of experimental provision of mock inspection molten steel crystallization, scope are set to the upper of experiment pool in the utility model Side so that experimenter can directly, experimental solutions are clearly viewed in the crystallization process of metal sheet surface；Scope is sliding It is dynamic to be installed on guide rail, and can be slided along the length direction of guide rail, so as in all directions to experimental solutions in metal plate The crystallization process on surface is observed, and the observing effect in experimentation is improved；Storage chamber is provided in cold water storage cistern, so as to The temperature of the cold water in cold water storage cistern is maintained low temperature, and then cold water can be improved to the cooling effect of metal plate.

(3) a kind of experimental provision of mock inspection molten steel crystallization in the utility model, the bottom setting of experiment pool side wall Heat insulating member avoids metal plate and directly contacts with heating plate, so that metal plate is not in cooling procedure by temperature of heating plate Influence；Metal plate be it is horizontally disposed, the crystallized product on metal plate is observed convenient for scope, avoid because scope with Inclination is generated between metal plate and brings the error of observation, influences the accuracy of experiment.

(4) a kind of experimental provision of mock inspection molten steel crystallization in the utility model, is arranged in the servo electricity that bubble paints Machine driving bubble brush 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, the bubble that metal plate bottom is adhered to can be wiped, so that bubble and metal plate bottom Separation improves the heat transfer effect between the water and metal plate in heat exchange pond, and then reduces the error of experiment.

(5) a kind of experimental provision of mock inspection molten steel crystallization in the utility model, the level height of metal plate, which is lower than, changes The level height of hot pond roof, so that bubble brushes the bubble coalescence removed on the inner wall at the both ends of heat exchange pond roof, bubble is not It can be attached to the lower part of metal plate, and then improve water flow to the heating effect or cooling effect of metal plate；Heating plate with change Hot pond roof has interval so that heating plate will not heat exchanging pond roof heated, so as to avoid heat exchange pond in water temperature Degree is affected.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the overall structure diagram for the experimental provision that a kind of mock inspection molten steel of the utility model crystallizes；

Fig. 2 is the structural schematic diagram in the heat exchange pond of the utility model；

Fig. 3 is the experiment pool bottom substance schematic diagram of the utility model；

Fig. 4 is the experiment bottom of pond portion of the utility model without the structural schematic diagram of metal plate；

Fig. 5 is the structural schematic diagram in the heat exchange pond of the utility model embodiment 5；

Fig. 6 is the overall structure signal for the experimental provision that a kind of mock inspection molten steel of the utility model embodiment 6 crystallizes Figure；

Fig. 7 is the structural schematic diagram of the experiment pool of the utility model.

Label declaration in schematic diagram: 100, experiment pool；110, metal plate；120, heat dam；130, heating plate；131, add One section of hot plate；132, two sections of heating plate；133, three sections of heating plate；140, bubble brush；150, servo motor；

200, exchange heat pond；201, exchange heat pond roof；202, installation opening；203, import protrusion；204, outlet protrusion；210, into The mouth of a river；220, water outlet；221, outlet valve；230, boiler；231, the first hot water valve；232, the second hot water valve；233, third Hot water valve；234, drain valve；235, breather valve；240, cold water storage cistern；241, the first cold valves；242, the second cold valves；250, draw Flow case；260, storage chamber；

300, the first water pump；310, the second water pump；

400, scope；410, guide rail；

500, the first water inlet pipe；510, the second water inlet pipe；520 first outlet pipes；521, the second outlet pipe；530, the first heat Water pipe；531, the second hot-water line；532, drainage tube；533, snorkel；540, hot-water outlet pipe；550, into cold water pipe；560, cold out Water pipe.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only Indicate the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.

For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment 1

In conjunction with shown in Fig. 1, Fig. 2 and Fig. 7, a kind of experimental provision of mock inspection molten steel crystallization of the utility model, including Experiment pool 100, heat exchange pond 200, scope 400 and water supplying unit, the bottom of 100 side wall of experiment pool are provided with heat insulating member 120, It is provided with mounting groove on heat insulating member 120, is fitted into the mounting groove and metal plate 110 is installed, metal plate 110 can be copper plate Either aluminium sheet or silver plate；It is copper plate that the present embodiment, which uses, on the one hand can guarantee the heating conduction of metal plate 110, separately On the one hand, copper plate has corrosion resistance and certain mechanical strength, and greatly reduces experimental cost.Heat insulating member 120 It avoids metal plate 110 directly to contact with heating plate 130, so that metal plate 110 is not in cooling procedure by heating plate 130 The influence of temperature；The metal plate 110 be it is horizontally disposed, the crystallized product on metal plate 110 is seen convenient for scope 400 It examines, avoids influencing observing effect because generating inclination between scope 400 and metal plate 110；Outside the surrounding side wall of experiment pool 100 Portion is equipped with heating plate 130, and heating plate 130 is made of one section 131 of heating plate, two section 132 of heating plate and three section 133 of heating plate, One section of 131 top of heating plate and 100 top flush of experiment pool, two section 132 of heating plate is set under one section 131 of heating plate Portion, three section 133 of heating plate is set to two section 132 of heating plate of lower part；Wherein, the level height of three section of 133 bottom of heating plate is low Level height in 120 top of heat insulating member, so that heating plate 130 is to the side wall being in contact in experiment pool 100 with experimental solutions It can heating and thermal insulation；The width that one section 131 of heating plate is D1, and the heating temperature that one section 131 of heating plate is 98 ± 2 DEG C, thus It avoids and contacts the problem of causing experimental solutions temperature to reduce with air due to experimental solutions；The width that two section 132 of heating plate is D2, the heating temperature that two section 132 of heating plate is 93 ± 2 DEG C, so as to carry out heating and thermal insulation to experimental solutions, so that experiment pool The temperature of the experimental solutions of the experimental solutions and central region of 100 upper areas is uniform, and then improves experimental solutions temperature Stability；The width that three section 133 of heating plate is D3, and the heating temperature that three section 133 of heating plate is 88 ± 2 DEG C, so that experiment pool The experimental solutions of 100 lower areas will not because cold water cooling effect caused by internal crystallization, and then experimental solutions are played Preferable heat insulation effect.D2=D1 in the present embodiment, D2=D3, heating plate 130 are uniformly divided into three sections, and three sections of heating temperature It is from top to bottom gradually increased, can not only be precipitated, subtract in the inside decrease temperature crystalline of 100 surrounding side wall of experiment pool to avoid experimental solutions Few experimental error, and then ensure that experimental solutions can be precipitated in the quantity of metal plate 110 precipitated crystal, metal plate 110 Enough crystal samples improve the simulation effect of experiment convenient for observation；And it can be crystallized to avoid experimental solutions internal cooling It is precipitated, to improve the accuracy of experimentation, and then improves the simulation effect of experiment；One section of heating plate in the present apparatus 131, be equipped with thermal detector on two section 132 of heating plate and three section 133 of heating plate, thermal detector for detect one section 131 of heating plate plus Two section 132 of hot plate and three section 133 of heating plate of temperature；Heating plate 130 and heat exchange pond roof 201 have interval, so that in heat exchange pond 200 when being passed through cold water, and cold water temperature is not influenced by 130 temperature of heating plate, and then it is cold to carry out constant temperature to metal plate 110 But.

Heat exchange pond 200 is connected with experiment pool 100, specifically describes as follows: experiment pool 100 is installed on heat exchange pond 200, It is separated by will exchange heat pond 200 and the experiment pool 100 of metal plate 110；The one end in heat exchange pond 200 is provided with water inlet 210, exchanges heat The other end in pond 200 is provided with water outlet 220, and the height of water inlet 210 is higher than the height of water outlet 220, allows the water to thorough Bottom is flowed out from the water outlet 220 in heat exchange pond 200, and improves the heating effect or cooling effect of metal plate 110.

Water supplying unit is connected with heat exchange pond 200, and water supplying unit includes boiler 230 and cold water storage cistern 240, boiler 230 Hot-water outlet pipe 540 be connected with water inlet 210 by pipeline, the first hot water valve 231, boiler are installed on hot-water outlet pipe 540 Having heaters is set in 230, and the heater is for heating hot water in boiler 230, so that the water temperature in boiler 230 Maintain 90 ± 2 DEG C；The cold water pipe 560 that goes out of cold water storage cistern 240 is connected by pipeline with water inlet 210, is installed on cold water pipe 560 out There are the first cold valves 241, and be provided with storage chamber 260 in the cold water storage cistern 240, be loaded with ice cube in storage chamber 260, ice cube can be with Water in cold water storage cistern 240 is cooled down, so that it is guaranteed that water maintains low-temperature condition in cold water storage cistern 240, wherein the present embodiment The temperature of water in cold water storage cistern 240 is 0~4 DEG C, and then be can be improved to 110 cooling effect of metal plate.

Wherein, the first water pump 300, and/or cold water pipe 560 out are provided on the pipeline of hot-water outlet pipe 540 and water inlet 210 With the first water pump 300 is provided on the pipeline of water inlet 210；Go out the pipeline of cold water pipe 560 and water inlet 210 in the present embodiment On be also equipped with the first water pump 300.Specifically be described as follows: hot-water outlet pipe 540 and out cold water pipe 560 respectively with the first water inlet pipe 500 are connected, and the lower part of the first water inlet pipe 500 is provided with drainage case 250, and drainage case 250 passes through drainage tube 532 and the first water inlet pipe 500 bottom is connected, and drain valve 234 is provided on drainage tube 532, the level height of drainage case 250 is lower than the institute mentioned in text There is the height of pipeline；In needing to be discharged the first water inlet pipe 500 when remaining water, opens drain valve 234 and make the first water inlet pipe 500 are connected with drainage tube 532, and the remaining water of the first water inlet pipe 500 can be drained into rapidly in drainage case 250, so that heat exchange Hot water or cold water in pond 200 can be replaced rapidly.First water inlet pipe 500 is connected with 300 water inlet end of the first water pump, the first water It pumps 300 water outlets to be connected by the second water inlet pipe 510 with water inlet 210, snorkel 533 is provided on the water inlet pipe 510, ventilate Breather valve 235 is provided on pipe 533；When the water in pond 200 and the first water inlet pipe 500 that needs to exchange heat empties, by snorkel Breather valve 235 on 533 is opened, and avoids the outside pressure in drainage procedure from being greater than pressure in device, so that the shipwreck in device With discharge, so that the water in heat exchange pond 200 and the first water inlet pipe 500 is smoothly discharged.

Scope 400 is mounted on the top of experiment pool 100 in the present embodiment, and scope 400 is slidably mounted on guide rail 410 On, so as to conveniently, directly observe crystallization process of the experimental solutions on metal plate 110；Scope 400 slides It is mounted on guide rail 410, crystallization process of the scope 400 to experimental solutions in metal plate 110 is facilitated comprehensively to be observed.

A kind of method of the mock inspection solidification of molten steel process of the present embodiment, hot water in boiler 230 by pipeline into Enter to heat exchange pond 200, the hot water to exchange heat in pond 200 heats metal plate 110；Heating plate 130 is to 100 surrounding of experiment pool Side wall carries out heating and thermal insulation；Experimental solutions are poured into experiment pool 100 again, then in the hot water discharge in pond 200 that will exchange heat Afterwards, the cold water in cold water storage cistern 240 enters to heat exchange pond 200 by pipeline, and the cold water to exchange heat in pond 200 carries out metal plate 110 Cooling, experimental solutions are precipitated in 110 surface crystallization of metal plate, while being observed using scope 400 crystallization process.Specifically The step of are as follows:

Step 1: heating and thermal insulation

The heating plate 130 installed outside 100 surrounding side wall of experiment pool is electrically heated, one section 131 of heating plate, heating plate Two section 132 and three section 133 of heating plate is respectively heated the corresponding position of experiment pool 100, so that 100 surrounding side wall of experiment pool Temperature be not less than experimental solutions temperature；Then the first hot water valve 231 and the first water pump 300 are opened, the first cold valves are closed 241 and outlet valve 221, open breather valve 235；The hot water of boiler 230 is under the action of the first water pump 300 is pumped, by intaking Mouth 210 flows into heat exchange pond 200, illustrates to open out full of hot water in heat exchange pond 200 when breather valve 235 has hot water spilling Water valve 221 flows out the hot water to exchange heat in pond 200 by water outlet 220, simultaneously closes off breather valve 235, hot water is in heat exchange pond 200 It is lasting during inside flowing in and out that metal plate 110 is heated；

Step 2: experimental solutions are added

Experiment pool 100 is poured into when the temperature of metal plate 110 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, the first hot water valve 231 is turned off, and opens breather valve 235 and makes the second water inlet pipe 510 are connected with the external world；Subsequent drain valve 234 is connected to the first water inlet pipe 500 with drainage case 250, in the first water inlet pipe 500 Part hot water drain into drainage case 250 in, exchange heat pond 200 in hot water be discharged by water outlet 220；By the heat in pond 200 that exchanges heat Water drains；

Step 4: simulation solidification of molten steel process

Drain valve 234 and outlet valve 221 are closed, and opens the first cold valves 241, so that cold water storage cistern 240 and the first water inlet Pipe 500 is connected to, and opens simultaneously the first water pump 300；First water pump 300 pumps the cold water of cold water storage cistern 240 to heat exchange pond 200, Illustrate to open outlet valve 221 full of cold water in heat exchange pond 200 and to exchange heat in pond 200 when breather valve 235 has cold water spilling Cold water is flowed out by water outlet 220, simultaneously closes off breather valve 235, and cold water continues during flowing in and out in the pond 200 that exchanges heat Metal plate 110 is cooled down so that the temperature of metal plate 110 reduces rapidly, experimental solutions are in 110 surface crystallization of metal plate It is precipitated；

The method that crystallization is precipitated using the device observation simulation of the utility model are as follows: to test using above-mentioned step molten Liquid is precipitated in 110 surface crystallization of metal plate, and is precipitated simultaneously using the crystallization of the vertical observation experiment solution of scope 400 Journey.

The utility model carries out heating guarantor to metal plate 110 by the hot water of boiler 230 before experimental solutions are added Temperature avoids standing when experimental solutions to be added to experiment pool 100 so that the temperature of metal plate 110 is not less than the temperature of experimental solutions I.e. crystallization is precipitated, and experimenter is difficult to effectively observe experimental solutions crystallization precipitation process, affects the effect of experiment.

Embodiment 2

The basic content of the present embodiment with embodiment 1, the difference is that: D2=1.5D1, D2=in the present embodiment The heating surface (area) (HS of 1.2D3, one section of 131 pairs of experiment pools, 100 surrounding side wall of heating plate are minimum, since the top of experiment pool 100 is not Sealing, so as to cause the heat loss of experimental solutions in experimentation, and lead to experiment pool 100 due to contacting with air The experimental solutions temperature of upper area reduces, and then leads to the internal crystallization of experimental solutions, affects the simulation effect of experiment；One Aspect, the heating temperature that one section 131 of heating plate is 98 ± 2 DEG C, molten so as to the experiment that maintains 100 upper area of experiment pool The temperature of liquid, so that will not decrease temperature crystalline precipitation inside the experimental solutions of 100 upper area of experiment pool；On the other hand, heating plate Two section 132 of heating temperature is 93 ± 2 DEG C, and the heating surface (area) (HS that two section 132 of heating plate is maximum, so as to in experiment pool 100 Experimental solutions play the role of heat preservation, and then avoid experimental solutions internal cooling crystallization be precipitated；Three section 133 of heating plate plus Hot temperature is 88 ± 2 DEG C, and three sections of 133 pairs of experiment pools, 100 surrounding lower sidewalls of heating plate carry out heating and thermal insulations, not only can be to avoid Experimental solutions are crystallized in 100 surrounding lower sidewall of experiment pool and are precipitated, and can be molten to avoid the experiment of 100 lower area of experiment pool Crystallization inside liquid is precipitated, and then improves the simulation effect of experiment.

Embodiment 3

The basic content of the present embodiment with embodiment 1, the difference is that: D2=1.2D1, D2=in the present embodiment 1.5D3, the heating temperature that three section 133 of heating plate are 88 ± 2 DEG C, the heating of three sections of 133 pairs of experiment pools, 100 surrounding side walls of heating plate Area is minimum, cools down since heat exchange pond 200 is passed through cold water to metal plate, so that the experiment of 100 lower area of experiment pool is molten Liquid temperature from bottom to top changes in gradient, so that experimental solutions internal crystallization is precipitated；But two section 132 of heating plate of heating temperature It is 93 ± 2 DEG C, the heating surface (area) (HS that two section 132 of heating plate is maximum, in the heating process of experiment, the central region of experiment pool 100 The temperature of experimental solutions is higher than the temperature of the experimental solutions of the lower area of experiment pool 100, thus the central region of experiment pool 100 The heat of experimental solutions can reach the experimental solutions of the lower area of experiment pool 100, and then can be to avoid the experiment of lower area The problem of solution internal crystallization is precipitated；The heating temperature that one section 131 of heating plate is 98 ± 2 DEG C, so that experimental solutions will not It crystallizes and is precipitated due to being contacted with air cooling, and then the stability of experimental solutions temperature can be improved, and improve experiment Simulation effect.

Embodiment 4

In conjunction with shown in Fig. 3 and Fig. 4, the basic content of the present embodiment with embodiment 1, the difference is that: the first water pump 300 By hot water or cold water be pumped into heat exchange pond 200 when, while can the pond Xiang Huanre 200 bring bubble into, bubble can be attached to metal The lower part of plate 110.The bottom of experiment pool 100 is provided with sliding rail, which is located at the lower part of metal plate 110, and bubble brush 140 slides It is installed on sliding rail, servo motor 150 is provided on bubble brush 140, servo motor 150 is for driving bubble brush 140 can edge The length direction of sliding rail reciprocatingly slide；The top of bubble brush 140 is in contact with the lower part of metal plate 110, and bubble brush 140 is past During multiple movement, the bubble that 110 bottom of metal plate can be adhered to is wiped, so that attached bubble and 110 bottom of metal plate point From the bubble after separation is under the hot water perhaps drive of cold water from the discharge of water outlet 220 or bubble motion extremely heat exchange pond roof 201, and it is gathered in heat exchange pond roof 201.

The level height of metal plate 110 is lower than the level height of heat exchange pond roof 201, metal plate 110 and heat exchange pond roof 201 difference in height is 3~10cm, the present embodiment 5cm.So that the bubble coalescence that bubble brush 140 is wiped is in heat exchange pond roof 201 Both ends inner wall on, bubble and then improves heating of the water flow to metal plate 110 without being adhered to the lower part of metal plate 110 Effect or cooling effect.

The bottom in heat exchange pond 200 is connected by the second hot-water line 531 with boiler 230 in the present embodiment, and the second hot water It is provided with third hot water valve 233 on pipe 531, enables hot water to flow back to boiler 230 along the second hot-water line 531, promotes heat The discharge of water and thermal water resource is saved；It is provided with third hot water valve 233 on second hot-water line 531, so as to control The two inflow hot water of hot-water line 531.

Water outlet 220 is connected by the first outlet pipe 520 with the water inlet end of the second water pump 310,310 water outlet of the second water pump It is connected by the second outlet pipe 521 with the first hot-water line 530, the first hot-water line 530 is located at the top of boiler 230, makes to obtain The mouth of a river 220 is connected with boiler 230 indirectly, and the hot water used in warm can be through the first outlet pipe 520, the second water Pump 310 and the first hot-water line 530 are recycled in boiler 230, are recycled to hot water, and hot water money is greatly saved Source；It is provided with the second hot water valve 232 on first hot-water line 530, is controlled for the recovery processing to hot water.First hot-water line The second hot water valve 232 is provided on 530；Water outlet 220 is connected by the first outlet pipe 520 with the water inlet end of the second water pump 310, Second water pump, 310 water outlet is connected by the second outlet pipe 521 with into cold water pipe 550, is located at cold water storage cistern 240 into cold water pipe 550 Top, the cold water used in crystallisation by cooling process can be through the first outlet pipe 520, the second water pump 310 and into cold water pipe 550 It is recycled in boiler 230, cold water is recycled, and into the second cold valves 242 are provided on cold water pipe 550, use It is controlled in the recovery processing to cold water.

Embodiment 5

As shown in connection with fig. 5, the basic content of the present embodiment is with embodiment 1, the difference is that: heat exchange pond roof 201 leans on The end of nearly water inlet 210 is provided with import protrusion 203, and the height of import protrusion 203 is higher than water inlet 210；Exchange heat pond roof 201 are provided with outlet protrusion 204 close to the end of water outlet 220, and the height of outlet protrusion 204 is higher than water outlet 220；It is worth saying Bright: the bubble that the first water pump 300 is brought into can be gathered in import protrusion 203, and bubble is avoided to be attached to metal plate 110 Lower part；After the bubble that bubble brush 140 is wiped is separated with metal plate 110, outlet can be gathered under the drive of hot water or cold water In protrusion 204, bubble is avoided to be attached to the bottom of metal plate 110 again, and influences the cooling or heating effect of metal plate 110 Fruit；Embodiment improves cold water to the cooling effect of metal plate 110 and hot water to the heating effect of metal plate 110.

Embodiment 6

As shown in connection with fig. 6, the basic content of the present embodiment is with embodiment 1, the difference is that: snorkel 533 is set to The end of heat exchange pond roof 201, specifically, heat exchange pond roof 201 is connected close to one end of water outlet 220 with snorkel 533 It connects, and is provided with breather valve 235 on the snorkel 533.

In the present embodiment, the first water pump 300 while can bring bubble into heat exchange when being pumped into water to heat exchange pond 200 In pond 200, bubble can be attached on the inner wall and metal plate 110 of heat exchange pond roof 201, effect of the bubble in bubble brush 140 Under can be separated with metal plate 110；Under the drive of hot water or cold water, part bubble is flowed out with water flow by water outlet 220, Residual air steep oneself-meeting along heat exchange pond roof 201 length direction moves, be gathered in heat exchange pond roof 201 one end, the end close to Water outlet 220.It, can be by opening breather valve 235, so that snorkel 533 and heat exchange pond 200 connect when end has accumulated bubble Logical, the bubble for being gathered in the end of heat exchange pond roof 201 can flow through the outflow of snorkel 533 with water；It is opened and is closed by circulation Breather valve 235 is closed, the first water pump 300 can be brought into the bubble in heat exchange pond 200 during the experiment and be discharged in time, thus So that bubble-free in heat exchange pond 200, and then improve the effect of experiment.

Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims

1. a kind of experimental provision of mock inspection molten steel crystallization characterized by comprising

Experiment pool (100), the bottom of the experiment pool (100) are equipped with metal plate (110), outside the surrounding side wall of experiment pool (100) Portion is equipped with heating plate (130)；Heating plate (130) is by one section of heating plate (131), two sections of heating plate (132) and three sections of heating plate (133) form, one section of heating plate (131) top with experiment pool (100) at the top of flush, two sections of heating plate (132) be set to plus The lower part of hot plate one section (131), the lower part for being set to heating plate two sections (132) for three sections of heating plate (133)；

It exchanges heat pond (200), the one end in the heat exchange pond (200) is provided with water inlet (210), the other end setting of heat exchange pond (200) Have water outlet (220), experiment pool (100) is installed in heat exchange pond (200), and metal plate (110) will be exchanged heat pond (200) and be tested Pond (100) separates；

Scope (400), the scope (400) are set to the top of experiment pool (100), are slidably mounted on guide rail (410), see Examining instrument (400) can slide along the length direction of guide rail (410)；

Water supplying unit, the water supplying unit include boiler (230) and cold water storage cistern (240), the hot-water outlet pipe of boiler (230) (540) it is connected by pipeline with water inlet (210), the first hot water valve (231), cold water storage cistern is installed on hot-water outlet pipe (540) (240) go out cold water pipe (560) are connected by pipeline with water inlet (210), are equipped with the first cold valves on cold water pipe (560) out (241), storage chamber (260) are provided in cold water storage cistern (240).

2. a kind of experimental provision of mock inspection molten steel crystallization according to claim 1, it is characterised in that: one section of heating plate (131) width is D1, and the width of heating plate two sections (132) is D2, and the width of heating plate three sections (133) is D3；D2≥D1； Or/and D2 >=D3.

3. a kind of experimental provision of mock inspection molten steel crystallization according to claim 1, it is characterised in that: hot-water outlet pipe (540) and the first water pump (300) are provided on the pipeline of water inlet (210), and/or cold water pipe (560) and water inlet (210) out Pipeline on be provided with the first water pump (300).

4. a kind of experimental provision of mock inspection molten steel crystallization according to claim 1, it is characterised in that: experiment pool (100) bottom is provided with sliding rail, which is located at the lower part of metal plate (110), and bubble brush (140) is slidably mounted on sliding rail On；The top of bubble brush (140) is in contact with the lower part of metal plate (110).

5. a kind of experimental provision of mock inspection molten steel crystallization according to claim 2, it is characterised in that: D2=1.2~ 1.5D1；Or/and D2=1.2~1.5D3.

6. a kind of experimental provision of mock inspection molten steel crystallization according to claim 3, it is characterised in that: hot-water outlet pipe (540) and out cold water pipe (560) is connected with the first water inlet pipe (500) respectively, the first water inlet pipe (500) and the first water pump (300) Water inlet end is connected, and the first water pump (300) water outlet is connected by the second water inlet pipe (510) with water inlet (210).

7. a kind of experimental provision of mock inspection molten steel crystallization according to claim 6, it is characterised in that: the first water inlet pipe (500) lower part is provided with drainage case (250), and drainage case (250) passes through the bottom of drainage tube (532) and the first water inlet pipe (500) Portion is connected, and is provided with drain valve (234) on the drainage tube (532).

8. a kind of experimental provision of mock inspection molten steel crystallization according to claim 6, it is characterised in that: the second water inlet pipe (510) it is provided on snorkel (533), breather valve (235) is provided on snorkel (533).

9. a kind of experimental provision of mock inspection molten steel crystallization according to claim 1-8, it is characterised in that: real The bottom for testing pond (100) side wall is provided with heat insulating member (120), is provided with mounting groove on the heat insulating member (120), the mounting groove Interior be fitted into is equipped with metal plate (110).

10. a kind of experimental provision of mock inspection molten steel crystallization according to claim 9, it is characterised in that: heating plate three The level height of section (133) bottom is lower than the level height at the top of heat insulating member (120).