CN201425419Y - High-temperature reduction-reaction experimental electric stove - Google Patents
High-temperature reduction-reaction experimental electric stove Download PDFInfo
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- CN201425419Y CN201425419Y CN2009200705647U CN200920070564U CN201425419Y CN 201425419 Y CN201425419 Y CN 201425419Y CN 2009200705647 U CN2009200705647 U CN 2009200705647U CN 200920070564 U CN200920070564 U CN 200920070564U CN 201425419 Y CN201425419 Y CN 201425419Y
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Abstract
The utility model discloses a high-temperature reduction-reaction experimental electric stove, comprising a stove body (11), a stove cover (4) which is covered at the top part of the stove body (11),a weighting device, and a hanging basket (6) which is hung on the weighting device by a hanging cord (12) and is arranged in the stove body (11); the high-temperature reduction-reaction experimental electric stove also comprises a gas sealing device which is arranged at the top part of the stove body (11) and is provided with a gas channel, reducing gas in the stove body (11) can be prevented fromescaping by inputting sealing gas. The high-temperature reduction-reaction experimental electric stove has exquisite structural design, safe and environment-friendly usage and high testing precision,and can carry out high-precision on-line test under high-temperature condition with more than 1,000 DEG C, and is completely accordance to the requirements of a high-temperature reduction-reaction detection device, thereby having good application prospect.
Description
Technical field
The utility model relates to a kind of test experience equipment, relates in particular to a kind of experimental electric furnace that the high temperature reduction reaction of iron ore in the metallurgical system is detected.
Background technology
The reduction reaction performance of research and detection iron ore, normally under 500-1000 ℃ hot conditions, carry out, at first the sample iron ore is reacted with reducing gas (containing poisonous CO) in experimental furnace, the mass change of test samples iron ore in course of reaction carried out performance evaluation by experiment then.At present, because make very difficulty of this high temperature reduction experimental facilities, thereby make and to study fewerly the reduction reaction under the hot environment.But, along with the continuous rise in price of iron ore raw material, and the Application and Development of new technology such as non-blast furnace ironmaking, the detection of reducing property at high temperature also more and more comes into one's own for iron ore at present.
Domesticly also once designed the high temperature reduction checkout equipment, but the result of use of its detection system under the high temperature reduction condition is unsatisfactory, and potential safety hazard is not only arranged, but also exists bigger systematic error.The main testing process of this detection system is as follows: the hang spring that will the hang sample earlier central aperture on the furnace top cover by experiment is connected on the weighing balance, contain of the bottom feeding of the reducing gas of CO from experimental furnace, when reducing gas arrives the top of experimental furnace, central aperture from its top cover is overflowed, in experimentation, carry out ignition simultaneously, and realize consecutive weighings by above-mentioned hang spring in herein.The major defect of this system is: the air-flow velocity that overflows the place owing to reducing gas is higher, and this weighing meeting to sample produces very large influence; And, when the concentration of fuel gas is hanged down, more be difficult to overflow the place and realize continuous burning at reducing gas, therefore cause this gas directly to leak in the experimental situation, this has not met present safety standard and environmental requirement fully.
In view of this, need a kind of new type high temperature reduction reaction checkout gear that can take into account high measurement precision, environmental protection safe in utilization of development badly.By online information retrieval, do not find and the same or analogous test experience equipment of present patent application technology.
Summary of the invention
The purpose of this utility model provides a kind of high temperature reduction reaction experiment electric furnace,, the reducing gas not high to reduction reaction detection difficult, the measuring accuracy of iron ore under hot conditions that exists with the solution prior art leaks, the problem of dangerous environmental protection, thereby realizes the high-accuracy on-line testing to its reduction reaction performance safely and reliably.
Technical conceive of the present utility model is as follows: contained oxygen major part all is to fall being reduced reaction consumes below 1000 ℃ in the iron ore, only remain a spot of oxygen and continue under the hot conditions more than 1000 ℃, to carry out reduction reaction, therefore the weight loss of iron ore in this high temperature reduction process is less, and this just proposes very high request to the certainty of measurement of related detection device.When sample was hung on the balance, all not allowing Anywhere on the body of heater came in contact with hangar system.But owing to contain the carbon monoxide of a large amount of severe toxicity in reducing gases, this should guarantee that again the reducing gas in the experiments of measuring device can not leak in the experimental situation.The inventor can not only successfully restrain leaking of reducing gases by multiple seal protection skills such as ingenious utilization sealing gland and water seals, can also guarantee that sample and hangar system do not produce any contacting with test experience equipment simultaneously, thereby guarantee the high sensitivity of balance.The test experience equipment of designing in view of the above can be used for the weightlessness analysis of solid state reduction process (adopt wire to hang indigo plant and hold sample).In experimentation, because there are not any friction in sample and hang spring and its ambient, and the influence of air-flow can be ignored, and so just makes that the weight change in the high temperature reduction course of reaction is the same with weighing in air, thereby can realize quite high certainty of measurement.
The purpose of this utility model is achieved in that a kind of high temperature reduction reaction experiment electric furnace, comprise that a bell, a meausring apparatus and one that a body of heater, lid are loaded on this body of heater top are mounted on described meausring apparatus and are arranged at hanging basket in the described body of heater by hang spring, also comprise: a gas-tight sealing, it is installed in described body of heater top and is provided with gas passage, leaks with the reducing gas that blocks in the described body of heater by the input sealing gas.
Preferably, described gas-tight sealing is the furnace crown that a lid is loaded on described bell top, and this furnace crown comprises:
One sealing gland chamber offers a through hole respectively on its upper/lower terminal face, and described two through hole directly equates and all be slightly larger than the diameter of described hang spring, and a side of this sealing gland chamber is provided with at least one air inlet;
One diffuses the chamber, it is fixedly arranged on the top of described sealing gland chamber, offer a through hole on its upper surface, the external diameter of described through hole is slightly larger than the diameter of described hang spring, and described hang spring can vertically pass the two through hole of described sealing gland chamber and the center of diffusing the through hole of chamber, and this diffuses on the two sides of chamber that symmetry offers that the aperture equates and all greater than described first venthole and second venthole that diffuses the chamber through hole;
One offgas duct, it is located on the side of described furnace crown and is positioned at the below of lower surface, described sealing gland chamber, and the internal diameter of this offgas duct is greater than the air inlet of described sealing gland chamber.
Preferably, described equal diameters of diffusing the diameter and the described sealing gland chamber two through hole of chamber through hole.
Preferably, the described diameter that diffuses the chamber through hole is not more than 1/10th of described offgas duct internal diameter.
Preferably, described offgas duct plug-in mounting is gone into an exhaust combustion case, and this exhaust combustion case is provided with an escape pipe.
Preferably, described sealing gas is an inert gas.
Preferably, described high temperature reduction reaction experiment electric furnace also comprises a sealing device that is installed on described body of heater and the bell, and the reducing gas that is used to block in this body of heater leaks.
Preferably, described sealing device is a water cooled seal device, and it comprises that a sealing ring and that is installed in the inner ring upper grooves place of described bell is installed in the sealing ring between the contact site of described bell and body of heater; Described bell is provided with a hollow sandwich, and the upper surface of this bell is provided with an at least one water inlet and a delivery port for the cooling water turnover.
Preferably, described meausring apparatus is one to be installed in the electronic balance on the workbench upper surface, and described workbench is set up in the top of described body of heater by a bracing or strutting arrangement.
Preferably, the hang spring of described electronic balance hook below is provided with a catch, is used to stop heat radiation.
Preferably, the lower surface of described workbench is provided with a water jacket thermal insulator, and this water jacket thermal insulator is provided with an at least one water inlet and the delivery port for the cooling water turnover.
Preferably, described high temperature reduction reaction experiment electric furnace also comprises a position regulator, and it comprises:
At least one pair of left and right fine adjustment screw, two outsides that it is divided into described bottom of furnace body are used to regulate the horizontal level of this body of heater;
At least one pair of left and right set screw, it is divided on the both sides connecting portion of described workbench and bracing or strutting arrangement, is used to regulate the horizontal level of described electronic balance;
One hang spring connector, it is installed on the hang spring of described furnace crown top, the length that is used for fixing this hang spring and regulates this hang spring.
Preferably, described body of heater is installed in a bottom surface and is provided with on the sliding bottom of guide rail, and the pulley suitable with described guide rail is installed on the pedestal.
Preferably, described body of heater is provided with a hollow sandwich, and this body of heater is provided with an at least one water inlet and a delivery port for the cooling water turnover.
Preferably, the outside of described body of heater is provided with a heat-insulation layer.
Preferably, the inside of described body of heater is provided with an inner furnace and an outer furnace, is equiped with at least one heater block between this inner furnace and the outer furnace.
Preferably, described heater block is a Si-Mo rod, and it takes the shape of the letter U.
Preferably, the top of described inner furnace is equiped with a last insulation of being located at described hanging basket top, should go up and offer the through hole that to cross for described hang spring wears on the insulation, the bottom of described inner furnace is equiped with insulation, and an air inlet pipe upwards runs through described insulation to be used to carry reduction reaction gas from the bottom of described body of heater.
Preferably, the described top of insulation down is covered with an adiabatic gas averaging board, offers several uniform through holes on this thermal insulation gas averaging board, and at least one thermocouple upwards runs through described insulation down from the bottom of described body of heater and adiabatic gas averaging board is inserted into the described inner furnace.
Preferably, the material of described body of heater, bell and furnace crown is stainless steel, and the material of described hanging basket and hang spring is refractory metal silk or corundum.
The utility model is owing to adopted above technical scheme, make it compared with prior art, have the following advantages and good effect: the structural design exquisiteness of this high temperature reduction reaction experiment electric furnace, environmental protection safe in utilization, measuring accuracy height, it can be under the hot conditions more than 1000 ℃, reduction reaction performance to iron ore is carried out high-accuracy on-line testing, and meet the requirement of high temperature reduction reaction checking device fully, so have a good application prospect.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the overall structure schematic diagram of a preferred embodiment of the utility model.
Fig. 2 is the structure cutaway view of preferred embodiment among Fig. 1.
Fig. 3 is the structural representation of gas-tight sealing among Fig. 2.
Description of reference numerals:
1-electronic balance 1a-suspension hook 2-exhaust combustion case escape pipe 2a-workbench
3-exhaust combustion case 3a-water jacket thermal insulator 4-bell 4a-rotary axle box
The right fine adjustment screw 6-of 5-power-line terminal 5a-left side fine adjustment screw 5b-hanging basket
The adiabatic gas averaging board of 6a-sliding bottom 7-U shape Si-Mo rod 7a-guide rail 8-
8a-pedestal 8b-pulley 9-thermocouple 9a-bracing or strutting arrangement
10-air inlet pipe 10a-water jacket thermal insulator cooling water intake 10b-water jacket thermal insulator cooling water outlet
11-body of heater 11a-body of heater cooling water outlet 11b-body of heater cooling water intake
The right set screw of 12-hang spring 12a-left side set screw 12b-
13-air inlet 14-sealing ring 15-bell inner ring
The last insulation 16a-of 16-goes up insulation under the insulation through hole 17-
17a-bell cooling water intake 17b-bell cooling water outlet
18-sealing ring 19-inner furnace 19a-sample
20-outer furnace 21-heat-insulation layer 22-furnace crown
The 22a-first venthole 22b-second venthole 221-sealing gland chamber
222-diffuses chamber 223-offgas duct 23-hang spring connector
24-catch 25-thermocouple fixator 26-thermocouple binding post
The specific embodiment
As shown in Figure 1, it is the overall structure schematic diagram of a preferred embodiment of the utility model high temperature reduction reaction experiment electric furnace.Please consult its structure cutaway view shown in Figure 2 simultaneously, the structure of this high temperature reduction reaction experiment electric furnace comprises: the body of heater 11 that a usefulness stainless steel material is made; One bell 4 that is packed in these body of heater 11 tops and also makes with stainless steel material; One is packed on the bell 4 and its inside is provided with the gas-tight sealing of gas passage, in order to block outwards leaking of reducing gas in the body of heater 11 by the input sealing gas; One is arranged at the hanging basket 6 that is used to hold sample 19a in the body of heater 11, it adopts corundum or refractory metal silk (as tungsten filament) to make, refractory metal silks such as this hanging basket 6 is mounted on by hang spring 12 on the hook 1a of electronic balance 1, hang spring 12 employing tungsten filaments or corundum are made; One is installed in the body of heater 11 and is located at the last insulation 16 of hanging basket 6 tops, and its adopts refractory material to make being used to stoping furnace heat to leak, and on this, also offer on the insulation 16 can be for hang spring 12 wears the through hole 16a of mistake.
Particularly, above-mentioned gas-tight sealing is the furnace crown structure that a lid is loaded on bell 4 tops.This furnace crown 22 also adopts stainless steel material to make, and comprise: a sealing gland chamber 221, and on the upper/lower terminal face of this sealing gland chamber 221, offer a through hole respectively, the aperture of these two through holes equates and all is slightly larger than the diameter of hang spring 12 fully, generation comes in contact to each other or rubs in experimentation to avoid, and also offers an air inlet 13 in addition and be used to import sealing gas (adopting inert gases such as nitrogen or argon gas) on a side of sealing gland chamber 221; One diffuses chamber 222, it is fixedly arranged on the top of sealing gland chamber 221, and on its upper surface, offer a through hole, for the identical consideration of avoiding contacting or rubbing, the external diameter of this through hole also be slightly larger than hang spring 12 diameter and with the two through hole equal diameters of sealing gland chamber 221, the setting of aforementioned three through holes should make hang spring 12 can vertically pass their the hole heart successively, in addition in addition on the two sides of diffusing chamber 222 symmetry offer that the aperture equates and all greater than the first venthole 22a that diffuses chamber 222 through holes and the second venthole 22b; One offgas duct 223, it is set on the side of furnace crown 22 and is positioned at the below of 221 lower surfaces, sealing gland chamber, the internal diameter of offgas duct 223 should be greater than the air inlet 13 of sealing gland chamber 221, be to guarantee sealing effectiveness, and offgas duct 223 internal diameters should be not less than ten times of diameters that diffuse chamber 222 through holes.In addition,, go into an exhaust combustion case 3, after the abundant burning of a small amount of reducing gas process exhaust combustion case 3 that body of heater 11 is discharged, enter atmosphere by the escape pipe 2 of being located at its top again at the outer end of this offgas duct 223 plug-in mounting based on the consideration of safety and environmental protection.
In order further to guarantee the sealing effectiveness of this high temperature reduction reaction experiment electric furnace, also specialized designs has another to be installed in sealing device on body of heater 11 and the bell 4.The sealing device is a water cooled seal device, comprise: a sealing ring 14 and that is installed in the inner ring 15 upper grooves places of bell 4 is installed in the sealing ring 18 between the contact site of bell 4 and body of heater 11, for strengthening sealing effectiveness, sealing ring 14 and 18 all adopts the silicone rubber O-ring of hollow, for increased thermal conductivity, should adopt thicker stainless steel to make simultaneously for inner ring 15; In addition, on bell 4, be provided with a hollow sandwich, on the upper surface of bell 4, be provided with a water inlet 17a and a delivery port 17b passes in and out for cooling water.Owing to used the duplicate protection of water-cooled and metal heat transfer, make high-temperature furnace body adopt above-mentioned rubber seal sealing to become possibility, and actual sealing effectiveness is good, the outer discharge of furnace gas is almost nil.
See also Fig. 1, body of heater 11 integral body are packed on the sliding bottom 6a, the bottom surface of this sliding bottom 6a is symmetrically set with guide rail 7a, simultaneously, on pedestal 8a, be fixed with the pulley 8b that is complementary fully with this guide rail 7a, body of heater 11 can be at the enterprising line slip of this pedestal 8a like this, adjusts to be shifted out easily or to push that keep in repair the position or other operation.On body of heater 11, also be provided with a hollow sandwich, and on the side of body of heater 11, be provided with a delivery port 11a and a water inlet 11b for the cooling water turnover.In Fig. 2, be provided with a heat-insulation layer 21 in the outside of body of heater 11 with the further hot environment that guarantees inside, be provided with simultaneously in the inside of body of heater 11 and be an inner furnace 19 and the outer furnace 20 that corundum material is made, and arranged on left and right sides between this inner furnace 19 and the outer furnace 20 respectively is equiped with the heater block of the Si-Mo rod 7 of a U-shaped, they join by power-line terminal 5 and power supply, so that can reach the high temperature more than 1500 ℃ in the stove.In addition, be equiped with also in the bottom of inner furnace 19 that insulation 17, one air inlet pipe 10 upwards run through this time insulation 17 from the bottom of body of heater 11, to be used to carry reduction reaction gas.Simultaneously, lid is established an adiabatic gas averaging board 8 in addition above following insulation 17, one thermocouple, 9 suit thermocouple fixators 25 afterwards are inserted into the inner furnace 19 behind insulation 17 and the adiabatic gas averaging board 8 under the bottom of body of heater 11 is upwards run through, and this thermocouple 9 is connected to (not shown) on temperature demonstration and the control device by thermocouple binding post 26.Like this, when reduction reaction gas when air inlet pipe 10 enters in the stove, just can be dispersed into uniform airflow by a plurality of uniform through hole that is opened on the adiabatic gas averaging board 8, carry out steadily, evenly to impel high temperature reduction reaction in the stove.Based on resistant to elevated temperatures needs, above-mentioned following insulation 17 also all adopts refractory material to make with adiabatic gas averaging board 8.
As shown in Figure 1, the meausring apparatus that this high temperature reduction reaction experiment electric furnace is adopted is an electronic balance 1, and it is installed on the upper surface of workbench 2a, and this workbench 2a is set up in the top of body of heater 11 by a bracing or strutting arrangement 9a.For the negative effect that stops that heat radiation may cause surveying work, at first on the hang spring 12 below the suspension hook 1a of electronic balance 1, be provided with a catch 24, secondly one water jacket thermal insulator 3a also is set on the lower surface of workbench 2a, carries out cooling water circulation heat radiation by a water inlet 10a on this water jacket thermal insulator 3a and a delivery port 10b.
In order further to guarantee the experiment measuring precision, on this high temperature reduction reaction experiment electric furnace, also be provided with a position regulator, it comprises: a hang spring connector 23, and it is installed on the hang spring 12 of furnace crown 22 tops, the vertical-direction length that is used for fixing hang spring 12 and regulates hang spring 12; An one left set screw 12a and a right set screw 12b, they are installed in respectively on the both sides connecting portion of workbench 2a and bracing or strutting arrangement 9a, in order to the convenient horizontal direction position of regulating electronic balance 1, make its maintenance level; Be with rotary axle box 4a outside the right bracing or strutting arrangement 9a upper end and link to each other, be used for this support exhaust combustion case 3 with exhaust combustion case 3; An one left fine adjustment screw 5a and a right fine adjustment screw 5b, they are installed in two outsides of body of heater 11 bottoms respectively, be used to regulate the horizontal direction position of this body of heater 11, make hang spring 12 align mutually, thereby avoid friction to reduce measure error with the center of last insulation through hole 16a.
When using this high temperature reduction reaction experiment electric furnace, at first the iron ore sample is put into hanging basket 6 and carried out reduction reaction, this sample fully reacts under the high temperature more than 1000 ℃ with the reduction reaction gas of importing from air inlet pipe 10 in inner furnace 19, loss of weight gradually subsequently, its weight change is articulated on the electronic balance 1 by hang spring 12 and weighs.As shown in Figure 3, hang spring 12 passes the through hole 16a of insulation 16, and the hole heart by three through holes on the furnace crown 22 is connected on the suspension hook 1a again, because hang spring 12 does not contact with above-mentioned these through holes, has therefore guaranteed stability and the accuracy that balance is weighed.In Fig. 3, after sealing gas (representing with small arrow among the figure) enters sealing gland chamber 221 from air inlet 13, it can only be from being penetrated with flowing out two through holes up and down of this sealing gland chamber 221, what wherein flow out downwards a road mixes with go up the reducing gas (representing with big arrow the figure) that comes from inner furnace 19, enters fully burning back safety discharge in the exhaust combustion case 3 through offgas duct 223 again.Because the caliber of this offgas duct 223 is relatively large, resistance is very little, so can think that the pressure in the stove is approximately equal to the outer atmospheric pressure of stove.In addition, upwards another road of flowing out then enters and diffuses chamber 222, this setting of diffusing chamber 222 is in order to reduce the influence to electronic balance of the air-flow upwards gone out, the first venthole 22a and the equal aperture of the second venthole 22b on its two side are relatively large, therefore resistance is little, most of gas just discharges out of the furnace through these two holes, has only fraction wherein to flow out by the through hole that diffuses 222 tops, chamber.Because the aperture of two through hole up and down of sealing gland chamber 221 equates that the hang spring thickness is also consistent, so effective air-flow latus rectum of two through hole equates that also the additional force that the air-flow in the two through hole produces hang spring 12 also is that direction is opposite, equal and opposite in direction.Therefore, these air-flows influence basic neutralisation each other to the weighing of electronic balance, that is to say, the size or the fluctuation of sealing gas flow all can not cause any impact for the weighing of electronic balance within the specific limits.For example, when the two through hole aperture of sealing gland chamber 221 be not more than flue gas leading 223 internal diameters 1/10th the time, the sealing gas flow maintain five of reducing gas flow/once more than can guarantee that reducing gas can not leak into outside the stove.
In sum, this high temperature reduction reaction experiment electric furnace has ideally solved the reducing gas leakage problem of iron ore high temperature reduction reacting furnace, it both safety and environmental protection, fully ensure experimental work personnel's safety, can guarantee the accuracy and the high accuracy of sample weighing test again, and meet the requirement of high temperature reduction reaction checking device fully, therefore have a good application prospect.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (20)
1. high temperature reduction reaction experiment electric furnace, comprise that a body of heater (11), lid are loaded on a bell (4) at this body of heater (11) top, a meausring apparatus and is mounted on described meausring apparatus and is arranged at the interior hanging basket (6) of described body of heater (11) by hang spring (12), it is characterized in that also comprising: a gas-tight sealing, it is installed in described body of heater (11) top and is provided with gas passage, leaks with the reducing gas that blocks in the described body of heater (11) by the input sealing gas.
2. high temperature reduction reaction experiment electric furnace as claimed in claim 1 is characterized in that: described gas-tight sealing is the furnace crown (22) that a lid is loaded on described bell (4) top, and this furnace crown (22) comprising:
One sealing gland chamber (221) offers a through hole respectively on its upper/lower terminal face, and described two through hole directly equates and all be slightly larger than the diameter of described hang spring (12), and a side of this sealing gland chamber (221) is provided with at least one air inlet (13);
One diffuses chamber (222), it is fixedly arranged on the top of described sealing gland chamber (221), offer a through hole on its upper surface, the external diameter of described through hole is slightly larger than the diameter of described hang spring (12), and the center that described hang spring (12) can vertically pass the two through hole of described sealing gland chamber (221) and diffuse the through hole of chamber (222), this diffuses on the two sides of chamber (222) that symmetry offers that the aperture equates and all greater than described first venthole (22a) and second venthole (22b) that diffuses chamber (222) through hole;
One offgas duct (223), it is located on the side of described furnace crown (22) and is positioned at the below of lower surface, described sealing gland chamber (221), and the internal diameter of this offgas duct (223) is greater than the air inlet (13) of described sealing gland chamber (221).
3. high temperature reduction reaction experiment electric furnace as claimed in claim 2 is characterized in that: described equal diameters of diffusing the diameter and described sealing gland chamber (221) two through hole of chamber (222) through hole.
4. high temperature reduction reaction experiment electric furnace as claimed in claim 3 is characterized in that: the described diameter that diffuses chamber (222) through hole is not more than 1/10th of described offgas duct (223) internal diameter.
5. high temperature reduction reaction experiment electric furnace as claimed in claim 2 is characterized in that: described offgas duct (223) plug-in mounting is gone into an exhaust combustion case (3), and this exhaust combustion case (3) is provided with an escape pipe (2).
6. high temperature reduction reaction experiment electric furnace as claimed in claim 1 is characterized in that: described sealing gas is an inert gas.
7. high temperature reduction reaction experiment electric furnace as claimed in claim 1 is characterized in that also comprising a sealing device that is installed on described body of heater (11) and the bell (4), and the reducing gas that is used to block in this body of heater (11) leaks.
8. high temperature reduction reaction experiment electric furnace as claimed in claim 7, it is characterized in that: described sealing device is a water cooled seal device, and it comprises that a sealing ring (14) and that is installed in inner ring (15) the upper grooves place of described bell (4) is installed in the sealing ring (18) between the contact site of described bell (4) and body of heater (11); Described bell (4) is provided with a hollow sandwich, and the upper surface of this bell (4) is provided with an at least one water inlet (17a) and a delivery port (17b) for the cooling water turnover.
9. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: described meausring apparatus is one to be installed in the electronic balance (1) on workbench (2a) upper surface, and described workbench (2a) is set up in the top of described body of heater (11) by a bracing or strutting arrangement (9a).
10. high temperature reduction reaction experiment electric furnace as claimed in claim 9 is characterized in that: the hang spring (12) of described electronic balance (1) hook (1a) below is provided with a catch (24), is used to stop heat radiation.
11. high temperature reduction reaction experiment electric furnace as claimed in claim 9, it is characterized in that: the lower surface of described workbench (2a) is provided with a water jacket thermal insulator (3a), and this water jacket thermal insulator (3a) is provided with an at least one water inlet (10a) and the delivery port (10b) for the cooling water turnover.
12., it is characterized in that also comprising a position regulator that it comprises as each described high temperature reduction reaction experiment electric furnace among the claim 1-8:
At least one pair of left and right fine adjustment screw (5a, 5b), two outsides that it is divided into described body of heater (11) bottom are used to regulate the horizontal level of this body of heater (11);
At least one pair of left and right set screw (12a, 12b), it is divided on the both sides connecting portion of described workbench (2a) and bracing or strutting arrangement (9a), is used to regulate the horizontal level of described electronic balance (1);
One hang spring connector (23), it is installed on the hang spring (12) of described furnace crown (22) top, the length that is used for fixing this hang spring (12) and regulates this hang spring (12).
13. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: described body of heater (11) is installed in a bottom surface and is provided with on the sliding bottom (6a) of guide rail (7a), and the pulley (8b) suitable with described guide rail (7a) is installed on the pedestal (8a).
14. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: described body of heater (11) is provided with a hollow sandwich, and this body of heater (11) is provided with an at least one delivery port (11a) and a water inlet (11b) for the cooling water turnover.
15. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: the outside of described body of heater (11) is provided with a heat-insulation layer (21).
16. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: the inside of described body of heater (11) is provided with an inner furnace (19) and an outer furnace (20), is equiped with at least one heater block between this inner furnace (19) and the outer furnace (20).
17. high temperature reduction reaction experiment electric furnace as claimed in claim 16 is characterized in that: described heater block is Si-Mo rod (7), and it takes the shape of the letter U.
18. high temperature reduction reaction experiment electric furnace as claimed in claim 16, it is characterized in that: the top of described inner furnace (19) is equiped with a last insulation (16) of being located at described hanging basket (6) top, should go up and offer the through hole (16a) that to cross for described hang spring (12) wears on the insulation (16), the bottom of described inner furnace (19) is equiped with insulation (17), and an air inlet pipe (10) upwards runs through described insulation (17) to be used to carry reduction reaction gas from the bottom of described body of heater (11).
19. high temperature reduction reaction experiment electric furnace as claimed in claim 18, it is characterized in that: the described top of insulation (17) down is covered with an adiabatic gas averaging board (8), offer several uniform through holes on this thermal insulation gas averaging board (8), at least one thermocouple (9) upwards runs through described insulation (17) down from the bottom of described body of heater (11) and adiabatic gas averaging board (8) is inserted into the described inner furnace (19).
20. as each described high temperature reduction reaction experiment electric furnace among the claim 1-8, it is characterized in that: the material of described body of heater (11), bell (4) and furnace crown (22) is stainless steel, and the material of described hanging basket (6) and hang spring (12) is refractory metal silk or corundum.
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| CN2009200705647U CN201425419Y (en) | 2009-04-17 | 2009-04-17 | High-temperature reduction-reaction experimental electric stove |
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| CN2009200705647U CN201425419Y (en) | 2009-04-17 | 2009-04-17 | High-temperature reduction-reaction experimental electric stove |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857809A (en) * | 2010-05-30 | 2010-10-13 | 张家界三木能源开发有限公司 | Sealing device for biomass gasification furnace |
| CN103018126A (en) * | 2012-12-18 | 2013-04-03 | 北京科技大学 | Liquid seal connecting device for thermogravimetric analyzer |
| CN103234853A (en) * | 2013-04-03 | 2013-08-07 | 莱芜钢铁集团有限公司 | Testing apparatus for research on reducibility of single-particle iron ore |
| CN105136601A (en) * | 2015-08-14 | 2015-12-09 | 中南大学 | High-temperature thermal field and complex atmosphere environment static coupling device |
| CN106323804A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Test system for cycling stability of chemical heat accumulation |
| CN108007809A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院广州能源研究所 | One kind is rapidly heated wide-range thermogravimetric analyzer |
| CN108918319A (en) * | 2018-05-11 | 2018-11-30 | 东北大学 | A kind of device and method for probing into metallurgical slag Yu experiment crucible material reaction mechanism |
| CN110261216A (en) * | 2019-06-20 | 2019-09-20 | 浙江大学 | Elevated Gravity suspension type multi- scenarios method acts on lower material properties test system |
| CN111505198A (en) * | 2020-04-22 | 2020-08-07 | 中国特种设备检测研究院 | Large-particle coke combustion characteristic testing system |
| CN112730140A (en) * | 2020-12-22 | 2021-04-30 | 上海辰荣电炉有限公司 | Novel high-vacuum high-temperature quality monitoring device and method |
| CN113008033A (en) * | 2021-03-30 | 2021-06-22 | 江西理工大学 | High-temperature reaction tube furnace capable of accurately controlling temperature and atmosphere and rapidly quenching sample |
-
2009
- 2009-04-17 CN CN2009200705647U patent/CN201425419Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857809A (en) * | 2010-05-30 | 2010-10-13 | 张家界三木能源开发有限公司 | Sealing device for biomass gasification furnace |
| CN103018126A (en) * | 2012-12-18 | 2013-04-03 | 北京科技大学 | Liquid seal connecting device for thermogravimetric analyzer |
| CN103234853A (en) * | 2013-04-03 | 2013-08-07 | 莱芜钢铁集团有限公司 | Testing apparatus for research on reducibility of single-particle iron ore |
| CN105136601A (en) * | 2015-08-14 | 2015-12-09 | 中南大学 | High-temperature thermal field and complex atmosphere environment static coupling device |
| CN106323804A (en) * | 2016-08-30 | 2017-01-11 | 上海交通大学 | Test system for cycling stability of chemical heat accumulation |
| WO2019109381A1 (en) * | 2017-12-08 | 2019-06-13 | 中国科学院广州能源研究所 | Rapid heating wide range thermogravimetric analyzer |
| CN108007809A (en) * | 2017-12-08 | 2018-05-08 | 中国科学院广州能源研究所 | One kind is rapidly heated wide-range thermogravimetric analyzer |
| CN108918319A (en) * | 2018-05-11 | 2018-11-30 | 东北大学 | A kind of device and method for probing into metallurgical slag Yu experiment crucible material reaction mechanism |
| CN110261216A (en) * | 2019-06-20 | 2019-09-20 | 浙江大学 | Elevated Gravity suspension type multi- scenarios method acts on lower material properties test system |
| CN110261216B (en) * | 2019-06-20 | 2024-02-27 | 浙江大学 | Material performance testing system under supergravity environment suspension type multi-field coupling effect |
| CN111505198A (en) * | 2020-04-22 | 2020-08-07 | 中国特种设备检测研究院 | Large-particle coke combustion characteristic testing system |
| CN112730140A (en) * | 2020-12-22 | 2021-04-30 | 上海辰荣电炉有限公司 | Novel high-vacuum high-temperature quality monitoring device and method |
| CN113008033A (en) * | 2021-03-30 | 2021-06-22 | 江西理工大学 | High-temperature reaction tube furnace capable of accurately controlling temperature and atmosphere and rapidly quenching sample |
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