CN112710122A - Chalcogenide glass air cooling device and air cooling control method thereof - Google Patents
Chalcogenide glass air cooling device and air cooling control method thereof Download PDFInfo
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- CN112710122A CN112710122A CN202011588894.2A CN202011588894A CN112710122A CN 112710122 A CN112710122 A CN 112710122A CN 202011588894 A CN202011588894 A CN 202011588894A CN 112710122 A CN112710122 A CN 112710122A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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Abstract
The invention provides a chalcogenide glass air cooling device and an air cooling control method thereof, wherein the chalcogenide glass air cooling device comprises a device body, a central positioning device, a synthesis container, a guide mechanism and an air cooling system, wherein the device body comprises an inner barrel body and an outer barrel body sleeved on the outer side of the inner barrel body, and a closed and communicated air cooling cavity is formed between the outer side wall of the inner barrel body and the inner side wall of the outer barrel body; an air cooling chamber is formed inside the inner barrel body, and the air cooling cavity is communicated with the air cooling chamber; an air inlet connected with the ventilation cold cavity is formed in the outer barrel body; the air cooling system is communicated with the air cooling cavity through an air inlet; the synthesis container is vertically arranged at the central position of the air cooling chamber through a central positioning device and a fixing device. The chalcogenide glass air cooling device realizes that the synthesis container is stably and safely fixed at the center of the air cooling chamber through the central positioning device and the fixing device, and realizes uniform flow of air flow through the arrangement of the guide mechanism so as to ensure the uniformity of the temperature of each part in the cooling process of a melt.
Description
Technical Field
The invention relates to the technical field of chalcogenide glass preparation, in particular to a chalcogenide glass air cooling device and an air cooling control method thereof.
Background
Chalcogenide glass is an amorphous material formed by using sulfur (S), selenium (Se), and tellurium (Te) of group VI of the periodic table As basic elements and introducing other metal or nonmetal elements (Ge, As, Sb, etc.). The quenching medium is usually used for realizing the rapid cooling of a melt to prepare amorphous chalcogenide glass, the common quenching medium comprises liquid (water, salt solution, oil and liquid gas) and air, the liquid quenching medium has the advantages of rapid cooling speed and uniform quenching heat, and the quenching medium is usually applied to the preparation process of amorphous materials with strong crystallization capacity, but the liquid quenching medium cannot accurately ensure that the cooling speed is kept consistent in a required temperature section. The air cooling mode is to use air as a quenching medium, the conventional air cooling mode cannot ensure controllable cooling speed and uniform cooling, and the problem of chalcogenide glass cracking caused by nonuniform cooling is often solved.
At present, chalcogenide glass adopts a liquid medium quenching mode, and liquid quenching agent has the advantage of high cooling speed, but the cooling speed of the process cannot be controlled, so that a melt is uniformly cooled according to the use requirement. The conventional air cooling method cannot realize uniform air cooling of the chalcogenide glass melt.
Disclosure of Invention
The invention mainly aims to provide a chalcogenide glass air cooling device and an air cooling control method thereof.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a chalcogenide glass air-cooling apparatus.
The chalcogenide glass air cooling device comprises:
the device body comprises an outer barrel body and an inner barrel body, wherein the top end of the outer barrel body is provided with an opening, the outer barrel body is sleeved outside the inner barrel body, and a closed and communicated air cooling cavity is formed between the outer side wall of the inner barrel body and the inner side wall of the outer barrel body; an air cooling chamber is formed inside the inner barrel body, and the air cooling cavity is communicated with the air cooling chamber; an air inlet communicated with the air cooling cavity is formed in the outer barrel body;
the central positioning device is arranged in the air cooling chamber and is positioned at the bottom of the air cooling chamber;
a synthesis vessel vertically disposed on the center positioning device and fixed by a plurality of fixing devices;
the guide mechanism is positioned in the air cooling cavity (101) and is used for uniform flow of air flow;
and the air cooling system is communicated with the air cooling cavity through the air inlet.
Furthermore, the side walls of the opening of the inner barrel body and the outer barrel body are positioned on the same horizontal plane; and a plurality of air outlet holes communicated with the air cooling cavity are formed in the side wall of the inner barrel body.
Further, the guide mechanism comprises a shunt cone and a plurality of guide plates, the shunt cone is in a cone shape and is connected to the bottom of the inner barrel body, and the top of the shunt cone faces the air inlet; one end of the guide plate is connected with the outer side wall of the inner barrel body, and the other end of the guide plate is arranged in a downward inclined mode; the lengths of the guide plates are sequentially increased from bottom to top.
Furthermore, the air cooling system comprises an air supply device, a conveying pipe and a velocimeter, wherein one end of the conveying pipe is communicated with the air cooling cavity through the air inlet, and the other end of the conveying pipe is connected with the air supply device; the velocimeter is arranged on the conveying pipe.
Further, the synthesis container is cylindrical, and the synthesis container and the inner barrel body are arranged concentrically; the central positioning device comprises a positioning structure and a supporting rod, wherein the upper part of the positioning structure is at least provided with a disc-shaped connecting surface, and the side surface of the bottom of the synthesis container is matched with the connecting surface; the support rod is connected to the lower part of the positioning structure.
Further, the fixing device includes:
the supporting structure comprises a supporting piece and a fixing plate, the supporting piece comprises an accommodating cavity with at least one end open, and the fixing plate is detachably connected to the opening of the supporting piece; one end of the supporting piece, which is opposite to the fixing plate, is connected to the outer wall of the outer barrel body;
the fixing rod penetrates through the accommodating cavity and the fixing plate, and one end of the fixing rod extends into the air cooling chamber; the fixed rod is connected with the fixed plate and the supporting piece in a sliding mode;
a fixing claw connected to one end of the fixing rod and used for fixing the synthesis container;
and the elastic adjusting assembly is positioned in the accommodating cavity and used for adjusting the relative position of the fixing rod and the synthesis container.
Furthermore, the elastic adjusting assembly comprises an adjusting nut, a blocking gasket and an elastic piece, the blocking gasket is sleeved on the fixing rod, the adjusting nut is in threaded connection with the fixing rod, and the elastic piece is clamped between the adjusting nut and the blocking gasket.
The air cooling device comprises a fixing plate, an air draft cover and an air draft hose, wherein the air draft cover is cylindrical, the bottom end of the air draft cover is detachably covered on the top of the air cooling chamber through the fixing plate, and the top end of the air draft cover is communicated with the air draft hose.
The temperature control mechanism comprises a sensor and a temperature measurement channel, one end of the temperature measurement channel penetrates through the air cooling cavity and is communicated with the air cooling chamber, and the other end of the temperature measurement channel is connected with the sensor; the sensor is used for monitoring the surface temperature of the synthesis container in real time.
In order to achieve the above object, according to a second aspect of the present invention, there is provided an air-cooling control method.
The air cooling control method is applied to the chalcogenide glass air cooling device and comprises the following steps:
setting a target temperature T and starting from the initial temperature T0A target time T to reach a target temperature T;
obtaining an initial temperature T0；
Starting the air cooling system, and controlling the rotating speed r and the wind speed v of the air cooling system by utilizing the relation between the temperature and the time in the air cooling process; wherein:
the relation between the temperature and the time in the air cooling process is as follows: t ═ T0-vTt；vT＝a*r；vTIs the cooling rate; a is a system constant.
According to the chalcogenide glass air cooling device, the synthetic container is fixed in the center of the air cooling chamber by means of positioning of the central positioning device and arrangement of the fixing device, the synthetic container is fixed in a micro-elastic mode through the spring in the fixing device, and damage to the synthetic container due to the fact that fit clearance is generated and local stress is too large is avoided, so that the center of the synthetic container is vertically and stably fixed.
The air flow generated by the air cooling system is uniformly guided and divided by the air flow cone and the guide plate, and is vertically placed in combination with the center of the synthesis container, so that the uniform rapid cooling of the melt is realized, and the possibility of cold cracking in the cooling and solidification process of the melt due to sudden temperature change is reduced.
The parameters of the PLC integrated variable frequency fan and the anemoscope are utilized to measure the wind speed v, the real-time temperature T, the system constant a and the parameter relation T ═ T at the cavity opening of the air cooling chamber0-vTt、vTAnd a r, setting target temperature T and time T of different program segments through PLC control, indirectly controlling the rotating speed r of the variable frequency fan, and accurately controlling the cooling rate.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic view of a chalcogenide glass air-cooling device in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a chalcogenide glass air-cooling device in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a center positioning device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a fixing device according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a relationship between different temperature ranges and cooling rates and rotational speeds according to an embodiment of the present invention.
In the figure:
1. a device body; 101. an air-cooled cavity; 102. an air outlet; 103. a spreader cone; 104. a guide plate; 105. an observation window; 106. a support frame;
2. a central positioning device; 201. a positioning structure; 202. a support bar;
3. a fixing device; 301. fixing the rod; 302. a fixed jaw; 303. a support member; 304. a fixing plate; 305. adjusting the nut; 306. a blocking spacer; 307. an elastic member; 308. a bolt;
4. an air cooling system; 401. an air supply device; 402. a delivery pipe; 403. a velocimeter;
5. an air inducing device; 501. a fixing sheet; 502. an induced draft cover; 503. an air inducing hose;
6. a synthesis vessel;
7. a temperature control mechanism; 701. a temperature measuring channel; 702. a sensor;
8. a chalcogenide glass melt.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The invention discloses a chalcogenide glass air cooling device, which is shown by combining a figure 1 and a figure 2 and comprises a device body 1, a central positioning device 2, a fixing device 3, an air cooling system 4, a guide mechanism and a synthesis container 6, wherein:
the device body 1 consists of an outer barrel body with an opening at the top end and an inner barrel body with an opening at the top end, the outer barrel body is sleeved outside the inner barrel body, and a closed and communicated air cooling cavity 101 is formed between the outer side wall of the inner barrel body and the inner side wall of the outer barrel body, and is shown in figure 2; an air cooling chamber is formed in the inner barrel body, a chalcogenide glass melt 8 is contained in the synthesis container 6, the synthesis container 6 is vertically arranged on the central positioning device 2, the central positioning device 2 is arranged in the air cooling chamber and positioned at the bottom of the air cooling chamber to form the functions of central positioning and supporting the synthesis container 6, and the synthesis container 6 is fixed through a plurality of fixing devices 3 to ensure that the synthesis container is firmly arranged at the central position of the air cooling chamber; an air inlet connected with the air cooling cavity 101 is formed in the outer barrel body, the air cooling system 4 is connected with the air cooling cavity 101 through the air inlet and used for conveying air into the air cooling cavity 101, a guide mechanism is arranged in the air cooling cavity 101, so that air flow flows uniformly, the air cooling cavity 101 is communicated with the air cooling cavity, the air flow enters the air cooling cavity through the air cooling cavity 101, and after heat exchange is completed on the outer wall of the synthesis container 6, the air flow is guided out to a workshop exhaust system through an air guiding device 5 which is arranged at the top of the device body 1 and communicated with the air cooling cavity; the guide mechanism is vertically arranged in combination with the center of the synthesis container, so that uniform and rapid cooling of the melt is realized, and the possibility of cold cracking in the cooling and solidification process of the melt due to sudden temperature change is reduced.
As another embodiment of the present invention, the side walls of the opening of the inner barrel body and the outer barrel body are located on the same horizontal plane, and as shown in FIG. 2, the top of the inner barrel body and the top of the outer barrel body are arranged in a flush manner.
As another embodiment of the present invention, a plurality of air outlet holes 102 connected with the air cooling cavity 101 are formed on the sidewall of the inner barrel body, as shown in FIG. 2, the plurality of air outlet holes 102 are distributed on the sidewall of the inner barrel body and penetrate through the sidewall of the inner barrel body.
As another embodiment of the present invention, a diversion cone 103 and a plurality of guide plates 104 are arranged in the air-cooling cavity 101, as shown in fig. 2, the diversion cone 103 is conical, the diversion cone 103 is connected to the bottom of the inner barrel body, and the top of the diversion cone 103 faces the air inlet; the design of the diverter cone 103 realizes that the air flow is evenly diverted towards each direction.
The outer side wall of the inner barrel body is connected with one end of each guide plate 104, the other ends of the guide plates 104 are arranged in a downward inclined mode, and the lengths of the guide plates 104 are sequentially increased from bottom to top.
The air current is shunted by a shunting cone 103 in the air cooling cavity 101, and is shunted step by a guide plate 104, and then is guided to the outer wall of the synthesis container 6 through an air outlet 102 arranged on the side wall of the inner barrel, and finally is guided into a workshop exhaust system by an air inducing device 5 after the heat exchange of the air current is completed on the outer wall of the synthesis container 6.
As another embodiment of the present invention, the air cooling system 4 includes an air supply device 401, a delivery pipe 402 and a velometer 403, and as shown in fig. 1 and fig. 2, one end of the delivery pipe 402 is connected to the air cooling chamber 101 through an air inlet, and the other end of the delivery pipe 402 is connected to the air supply device 401; wherein, air supply arrangement 401 can be the frequency conversion fan, and the wind that the frequency conversion fan produced gets into in the forced air cooling chamber 101 through conveyer pipe 402, and tachymeter 403 sets up on conveyer pipe 402, and is close to air inlet one end for record the wind speed V of air inlet department.
As another embodiment of the present invention, the synthesis vessel 6 has a cylindrical shape, and as shown in FIGS. 2 and 3, the synthesis vessel 6 is concentrically disposed with the inner tub; the upper part of the positioning mechanism 201 of the central positioning device 2 at least has a disc-shaped connecting surface which is used for connecting and matching with the side surface of the bottom of the synthesis container 6; the support rod 202 is connected to the lower part of the positioning structure 201 to form an effective support.
As another embodiment of the present invention, the positioning mechanism 201 is designed in a cone shape, and the top of the cone is downward, and the positioning mechanism 201 in a cone structure can effectively perform the functions of centering and supporting, so that the cylindrical synthetic container 60 and the inner barrel body are kept concentric.
As another embodiment of the present invention, each fixing device 3 mainly comprises a fixing rod 301, a fixing claw 302, a supporting structure and an elastic adjusting assembly, wherein the fixing rod 301 is connected to the device body 1 through the supporting structure, specifically, as shown in fig. 1, fig. 2 and fig. 4, the supporting structure mainly comprises a supporting member 303 and a fixing plate 304, the supporting member 303 comprises a receiving cavity with at least one end open, and the fixing plate 304 is detachably connected to the opening of the supporting member 303; the end opposite to the fixing plate 304 on the supporting member 303 is connected to the outer wall of the outer tub body, the fixing rod 301 penetrates through the accommodating chamber and the fixing plate 304, and one end of the fixing rod 301 extends into the air cooling chamber, and the fixing rod 301 is slidably connected with the fixing plate 304 and the supporting member 303.
A fixing claw 302 is connected to one end of the fixing rod 301, and is mainly used for fixing the synthesis container 6; specifically, the fixing rods 301 are adjusted to have equal lengths, and a plurality of (for example, 4) fixing claws 302 are abutted to the synthesis container 6, so that the synthesis container 6 is completely positioned at the vertical center and is firmly fixed, thereby uniformly cooling the chalcogenide glass melt 8 in the quenching process, and reducing the possibility of cold cracking in the cooling and solidification process of the melt due to sudden temperature change.
The elastic adjusting assembly is located in the accommodating cavity, and the relative position of the fixing rod 301 and the synthetic container 6 is adjusted through the elastic adjusting assembly, so that the synthetic container 6 is fixed in a micro-elastic mode, the synthetic container 6 is prevented from being damaged due to the fact that fit clearance and local stress are too large, and the center of the synthetic container 6 is vertically and stably fixed.
As another embodiment of the present invention, the fixing jaw 302 is a fan-shaped jaw, which has a simple structure and a high degree of fitting, as shown in fig. 4.
As another embodiment of the present invention, the longitudinal section of the supporting member 303 is "u" shaped, and includes a hollow cylinder with two open ends and a connecting member, wherein the bottom side wall of the hollow cylinder extends outwards to form the connecting member; the connecting piece is provided with a connecting hole, and the fixing plate 304 is in threaded connection with the connecting piece through a bolt 308.
As another embodiment of the present invention, the elastic adjusting assembly mainly comprises an adjusting nut 305, a blocking washer 306 and an elastic member 307, wherein the blocking washer 306 is sleeved on the fixing rod 301, the adjusting nut 305 is screwed with the fixing rod 301, and the elastic member 307 is clamped between the adjusting nut 305 and the blocking washer 306.
As another embodiment of the present invention, the elastic member 307 is a spring.
In the embodiment of the present invention, the fixing device 3 needs to be calibrated for the first time, so as to determine the positions of the fixing rods 301, and the calibration process is as follows: adjusting the adjusting nuts 305 to the fixing claws 302 to make the elastic members 307 in a loose state, then placing the empty cylindrical chalcogenide glass synthesis container 6 on the central positioning device 2 to make the cylindrical synthesis container 6 and the inner barrel body concentric, adjusting the length of the plurality of fixing rods 301 to be equal, making the plurality of fixing claws 302 fix the synthesis container 6 to realize completely vertical central fixation, at this time, adjusting the plurality of adjusting nuts 305 to the direction of the elastic members 307 to make the elastic members 307 compress and bear force, and ensuring the length of the plurality of elastic members 307 to be equal, and the adjusting process always keeps the central vertical state of the synthesis container 6.
After calibration, before the conventional use, the bolt 308 is in a loose state, a gap of 3-8 mm exists between the support piece 303 and the fixing plate 304, the synthesis container 6 can be conveniently and smoothly placed into the air cooling chamber, after the synthesis container 6 is placed into the air cooling chamber, the bolt 308 is screwed down, the support piece 303 is attached to the fixing plate 304, the synthesis container 6 is fixed by the fixing claws 302, and at the moment, the synthesis container 6 is in the center of the air cooling chamber and keeps in a vertical state.
It should be noted that if the synthesis vessel 6 is of the same size, the position of the adjusting nut 305 does not need to be readjusted during the process, and the synthesis vessel can be directly reused. If the outer diameter of the synthesis vessel 6 is changed, the position of the adjusting nut 305 needs to be corrected in advance.
As another embodiment of the present invention, the air inducing device 5 is detachably disposed on the top of the device body 1, as shown in fig. 1, the air inducing device 5 mainly comprises a fixing plate 501, an air inducing cover 502 and an air inducing hose 503, the air inducing cover 502 is cylindrical, the bottom end of the air inducing cover 502 is covered on the top of the air cooling chamber through the fixing plate 501, and the top end of the air inducing cover 502 is communicated with the air inducing hose 503.
In the actual use process, the fixing sheet 501 is opened to separate the induced draft cover 502 from the air cooling chamber, the synthesis container 6 containing the chalcogenide glass melt 8 is placed on the central positioning device 2, so that the cylindrical synthesis container 6 and the inner barrel body are concentric, then the bolt 308 is screwed down to enable the support piece 303 to be attached to the fixing plate 304, the synthesis container 6 is fixed by the plurality of fixing claws 302, and at the moment, the synthesis container 6 is positioned in the center of the air cooling chamber and is kept in a vertical state; finally, the induced draft cover 502 is reset, and the fixing sheet 501 is fixed.
As another embodiment of the present invention, the induced draft cover 502 is a hollow frustum, the bottom end of the hollow frustum is connected to the top of the device body 1, and the top end of the hollow frustum is communicated with the induced draft hose 503.
As another embodiment of the present invention, the apparatus further includes a temperature control mechanism, the temperature control mechanism 7 includes a sensor 701 and a temperature measurement channel 702, as shown in fig. 1 and fig. 2, one end of the temperature measurement channel 702 penetrates through the air-cooled cavity 101 and is communicated with the air-cooled chamber, and the other end of the temperature measurement channel 702 is connected to the sensor 701. The sensor 701 may be an infrared sensor, and the infrared sensor measures the surface temperature of the synthesis container 6 through the unobstructed temperature measurement channel 702 without interruption while cooling the air.
As another embodiment of the present invention, the apparatus body 1 is further provided with an observation window 105, as shown in FIG. 1, the observation window 105 is opened on the side wall of the outer barrel body, and the real-time state of the chalcogenide glass melt 8 can be observed through the observation window 105 during the air cooling process.
As another embodiment of the present invention, the bottom of the apparatus body 1 is further provided with a support frame 106, as shown in fig. 1 in particular, the support frame 106 is connected to the bottom of the outer barrel body to form an effective support for the outer barrel body.
The invention also discloses an air cooling control method of the chalcogenide glass, which is applied to the chalcogenide glass air cooling device.
The method for controlling the cooling of the chalcogenide glass in the present invention by air cooling will be described in detail below with reference to specific examples.
Example 1:
1. setting parameters
The target temperature T and the target time T of each step of the program are set in the plc control panel as follows:
| initial | Step1 | Step2 | Step3 | Step4 | Step5 | |
| Target temperature T | T0 | T1 | T2 | T3 | T4 | T5 |
| Target time t | t1 | t2 | t3 | t4 | t5 |
2. Placement of synthetic containers
The synthesis vessel containing the chalcogenide glass melt was placed on a central positioning device.
3. And starting an air cooling program, which comprises the following specific steps:
the actual temperature of the synthesis vessel is typically slightly above the initial value T0Firstly, opening an air cooling program switch, and testing the temperature of the surface of the synthesis container in real time by using an infrared sensor;
when the surface temperature of the synthesis vessel reaches T0The air cooling is automatically started, and the target temperature T1 and the target time T are set according to STEP11Calculating the air cooling speed vTAnd the rotating speed r of the variable frequency fan1(air-cooling control method and parameter relation T ═ TFirst stage-vTt、vTA r), outputting and controlling a variable frequency fan to blow air into the air cooling chamber, and cooling the synthesis container to T1;
then, the process enters the air cooling stage of STEP2, the calculation method in plc is the same as STEP1, the temperature of the synthesis container reaches the ending temperature T after the synthesis container is cooled by STEP1, STEP2, STEP3, STEP4 and STEP55And closing the air cooling program switch after the air cooling process is finished.
4. Taking out the synthesis vessel
After the air cooling process is finished, the synthesis container is taken out and enters the next procedure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A chalcogenide glass air cooling device is characterized by comprising:
the device comprises a device body (1) and a control device, wherein the device body comprises an outer barrel body and an inner barrel body, the top end of the outer barrel body is provided with an opening, the outer barrel body is sleeved outside the inner barrel body, and a closed and communicated air cooling cavity (101) is formed between the outer side wall of the inner barrel body and the inner side wall of the outer barrel body; an air cooling chamber is formed inside the inner barrel body, and the air cooling cavity (101) is communicated with the air cooling chamber; an air inlet communicated with the air cooling cavity (101) is formed in the outer barrel body;
the central positioning device (2) is arranged in the air cooling chamber and is positioned at the bottom of the air cooling chamber;
a synthesis vessel (6) vertically arranged on the central positioning device (2), and the synthesis vessel (6) is fixed by a plurality of fixing devices (3);
the guide mechanism is positioned in the air cooling cavity (101) and is used for uniform flow of air flow;
and the air cooling system (4) is communicated with the air cooling cavity (101) through the air inlet.
2. The chalcogenide glass air-cooling device of claim 1, wherein the inner barrel body and the side wall at the opening of the outer barrel body are located on the same horizontal plane; the side wall of the inner barrel body is provided with a plurality of air outlet holes (102) communicated with the air cooling cavity (101).
3. The chalcogenide glass air-cooling device according to claim 1, wherein the guiding mechanism comprises a splitter cone (103) and a plurality of guiding plates (104), the splitter cone (103) is in a cone shape and is connected to the bottom of the inner barrel body, and the top of the splitter cone (103) faces the air inlet; one end of the guide plate (104) is connected with the outer side wall of the inner barrel body, and the other end of the guide plate is arranged in a downward inclined mode; the lengths of the guide plates (104) increase from bottom to top in sequence.
4. The chalcogenide glass air cooling device according to claim 1, wherein the air cooling system (4) comprises an air supply device (401), a delivery pipe (402) and a velocimeter (403), one end of the delivery pipe (402) is communicated with the air cooling cavity (101) through the air inlet, and the other end is connected with the air supply device (401); the velocimeter (403) is arranged on the conveying pipe (402).
5. The chalcogenide glass air-cooling device according to claim 1, wherein the synthesis container (6) is cylindrical, and the synthesis container (6) is concentrically disposed with the inner barrel body; the central positioning device (2) comprises a positioning structure (201) and a support rod (202), the upper part of the positioning structure (201) is at least provided with a disc-shaped connecting surface, and the side surface of the bottom of the synthesis container (6) is matched with the connecting surface; the supporting rod (202) is connected to the lower part of the positioning structure (201).
6. Chalcogenide glass air-cooling device according to claim 1, characterized in that said fixing means (3) comprise:
the supporting structure comprises a supporting part (303) and a fixing plate (304), wherein the supporting part (303) comprises a containing cavity with at least one open end, and the fixing plate (304) is detachably connected to the opening of the supporting part (303); the end of the supporting piece (303) opposite to the fixing plate (304) is connected to the outer wall of the outer barrel body;
the fixing rod (301) penetrates through the accommodating cavity and the fixing plate (304), and one end of the fixing rod (301) extends into the air cooling chamber; the fixing rod (301) is connected with the fixing plate (304) and the supporting piece (303) in a sliding mode;
a fixing claw (302) which is connected to one end of the fixing rod (301) and by which the synthesis vessel (6) is fixed;
and the elastic adjusting assembly is positioned in the accommodating cavity and used for adjusting the relative position of the fixing rod (301) and the synthetic container (6).
7. The chalcogenide glass air cooling device according to claim 6, wherein the elastic adjusting assembly comprises an adjusting nut (305), a blocking gasket (306) and an elastic member (307), the blocking gasket (306) is sleeved on the fixing rod (301), the adjusting nut (305) is in threaded connection with the fixing rod (301), and the elastic member (307) is clamped between the adjusting nut (305) and the blocking gasket (306).
8. The chalcogenide glass air cooling device according to claim 1, further comprising an air inducing device (5), wherein the air inducing device (5) comprises a fixing plate (501), an air inducing cover (502) and an air inducing hose (503), the air inducing cover (502) is cylindrical, the bottom end of the air inducing cover (502) is detachably covered on the top of the air cooling chamber through the fixing plate (501), and the top end of the air inducing cover (502) is communicated with the air inducing hose (503).
9. The chalcogenide glass air cooling device according to claim 1, further comprising a temperature control mechanism, wherein the temperature control mechanism (7) comprises a sensor (701) and a temperature measurement channel (702), one end of the temperature measurement channel (702) penetrates through the air cooling cavity (101) and is communicated with the air cooling chamber, and the other end of the temperature measurement channel is connected with the sensor (701); the sensor (701) is used for monitoring the surface temperature of the synthesis container (6) in real time.
10. An air-cooling control method applied to the chalcogenide glass air-cooling device according to any one of claims 1 to 9, comprising the steps of:
setting a target temperature T and starting from the initial temperature T0A target time T to reach a target temperature T;
obtaining an initial temperature T0；
Starting the air cooling system, and controlling the rotating speed r and the wind speed v of the air cooling system by utilizing the relation between the temperature and the time in the air cooling process; wherein:
the relation between the temperature and the time in the air cooling process is as follows: t ═ T0-vTt；vT＝a*r；vTIs the cooling rate; a is a system constant.
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| WO2011029963A1 (en) * | 2009-09-11 | 2011-03-17 | Gaugor, S.A. | Apparatus for cooling glasses and containers, in the form of an automatically actuated removable compact kit |
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| WO2011029963A1 (en) * | 2009-09-11 | 2011-03-17 | Gaugor, S.A. | Apparatus for cooling glasses and containers, in the form of an automatically actuated removable compact kit |
| CN204897980U (en) * | 2015-07-04 | 2015-12-23 | 安徽旭鸿热处理有限公司 | Quench with forced air cooling bucket |
| CN207016666U (en) * | 2017-05-24 | 2018-02-16 | 北方工程设计研究院有限公司 | A kind of vacuum glass edge sealing furnace |
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