CN110512060B - Quenching tank with improved quenching efficiency - Google Patents
Quenching tank with improved quenching efficiency Download PDFInfo
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- CN110512060B CN110512060B CN201910974458.XA CN201910974458A CN110512060B CN 110512060 B CN110512060 B CN 110512060B CN 201910974458 A CN201910974458 A CN 201910974458A CN 110512060 B CN110512060 B CN 110512060B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
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Abstract
The invention discloses a quenching tank with improved quenching efficiency, which belongs to the field of quenching equipment, and comprises a quenching tank body, wherein a quenching medium is contained in the quenching tank body, a motor is arranged at the bottom end of the quenching tank body, the output end of the motor penetrates through the bottom end in the quenching tank body and extends into the quenching tank body, the temperature of the quenching medium after heat exchange with a workpiece can be conducted into a floating ball through the floating ball and a heat-conducting silica gel column, a heat absorbent rapidly vaporizes after absorbing external heat, so that the temperature of the quenching medium is effectively reduced, the implementation process is energy-saving and environment-friendly, meanwhile, a turbulence plate is driven to rotate by the motor, the flow of the quenching medium is accelerated, meanwhile, the heat of part of the quenching medium can be absorbed in the rotation process of the turbulence plate due to the special material arrangement of the turbulence plate, and the dual cooling effect of the heat absorbent and the turbulence plate is realized, the temperature rising speed of the quenching medium is slowed down, so that the cooling of the workpiece is accelerated, and the quenching efficiency is improved.
Description
Technical Field
The invention relates to the field of quenching equipment, in particular to a quenching tank with improved quenching efficiency.
Background
The quenching of steel is a heat treatment process of heating the steel to a temperature above a critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), preserving heat for a period of time to make the steel totally or partially austenitized, and then rapidly cooling the steel to a temperature below Ms (or isothermal near Ms) at a cooling speed greater than a critical cooling speed to perform martensite (or bainite) transformation, so as to greatly improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel, thereby meeting different use requirements of various mechanical parts and tools. The solution treatment or heat treatment process with a rapid cooling process of materials such as aluminum alloys, copper alloys, titanium alloys, tempered glass, etc. is also generally called quenching.
The quenching tank is a container filled with quenching medium, when a workpiece is immersed in the quenching tank for cooling, the workpiece needs to be ensured to finish quenching operation uniformly at a reasonable cooling speed, so that the workpiece meets the technical requirements, the quenching tank mainly comprises three types of quenching water tanks, oil tanks and bath tanks, the quenching tank is simple in structure and mainly comprises a quenching tank body, a quenching medium input or discharge pipe, an overflow tank and the like, and a stirrer is arranged in part of the quenching tank body to accelerate the flow of the quenching medium.
When the workpiece is cooled in the existing quenching tank, the workpiece has a certain temperature after the previous heat treatment process, and when the workpiece is soaked in a quenching medium in the quenching tank, the workpiece and the quenching medium exchange heat with each other along with the increase of the soaking time, the temperature of the quenching medium is gradually increased, which is not beneficial to rapidly cooling the workpiece, the quenching efficiency is low, more energy consumption is consumed when the quenching tank is cooled by a heat exchanger or a radiator and the like, the quenching tank is not in accordance with the concept of energy conservation and environmental protection, and the stirrer only plays a role of stirring for a quenching tank body provided with the stirrer, so that the quenching quality is improved slightly.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a quenching tank with improved quenching efficiency, which can conduct the temperature of a quenching medium after heat exchange with a workpiece to the inside of a floating ball through the floating ball and a heat-conducting silica gel column, and the heat absorbent evaporates rapidly after absorbing external heat, thereby effectively reducing the temperature of the quenching medium.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A quenching tank with improved quenching efficiency comprises a quenching tank body, wherein a quenching medium is contained in the quenching tank body, a motor is installed at the bottom end of the quenching tank body, the output end of the motor penetrates through the bottom end in the quenching tank body and extends into the quenching tank body, a plurality of uniformly distributed flow stirring plates are fixedly connected to the output end of the motor, a plurality of floating balls are arranged in the quenching tank body and are all positioned on the upper side of the flow stirring plates, a plurality of uniformly distributed heat conduction silica gel columns are fixedly connected to the outer ends of the floating balls, a heat absorbent is arranged in the floating balls and is positioned at the bottom end in the floating balls, a mixed gas of nitrogen and helium is filled in the floating balls, a blocking net is fixedly connected between the left inner wall and the right inner wall of the quenching tank body and is positioned on the upper side of the flow stirring plates, and the floating balls are positioned on the upper side of the blocking net and are in contact, can conduct the temperature after quenching medium and work piece take place heat exchange to the floating ball through floating ball and heat conduction silica gel post, the absorbent vaporizes rapidly after absorbing external heat, thereby effectively reduce the temperature of quenching medium, and implement process energy-concerving and environment-protective, drive the board rotation of stirring through the motor simultaneously, when the realization is with higher speed the quenching medium flow, can make the board rotation process of stirring absorb partial quenching medium's heat because of the special material setting of stirring the board, through the dual cooling effect of absorbent and stirring the board, slow down the temperature rising speed of quenching medium, thereby accelerate the cooling of work piece, improve quenching efficiency.
Furthermore, the main component of the heat absorbent is an organic solvent, the organic solvent is ethanol, when the temperature of the quenching medium rises, the heat-conducting silica gel column and the floating ball absorb the temperature of the quenching medium and transfer the temperature into the floating ball, and when the organic solvent contacts the heat conducted by the floating ball, the organic solvent is quickly vaporized when meeting heat, so that the heat on the surfaces of the floating ball and the heat-conducting silica gel column is absorbed, the effect of quickly reducing the temperature is achieved, and the temperature of the quenching medium is effectively reduced.
Furthermore, the inner wall of the floating ball is fixedly connected with a blocking piece, the blocking piece divides the floating ball into a gas area and a cooling area, the gas area is located on the upper side of the cooling area, the mixed gas is located in the gas area, the heat absorbent is located in the cooling area, and the mixed gas and the heat absorbent are separated through the blocking piece, so that the heat absorbent and the mixed gas are not easily affected, and the blocking piece and the mixed gas can better play the functions of the blocking piece and the mixed gas.
Furthermore, the separation sheet is made of a flexible material, the area of the separation sheet is larger than that of the round section where the separation sheet is located, namely, the separation sheet is in a loose state, so that the separation sheet has a separation effect on the heat absorbent and the mixed gas, and when the heat absorbent is completely consumed, the separation sheet can be gradually attached to the inner wall of the floating ball under the expansion pushing effect of the mixed gas along with the heated expansion process of the mixed gas, so that the space of the cooling area is gradually reduced, the floating ball is gradually in a full-filling state, and the balance state of the floating ball in the quenching medium is favorably maintained.
Further, the space of the gas area is larger than that of the cooling area, and the size ratio of the gas area to the cooling area is 2-3: 1, the space occupied by the heat absorbent is small, so that the heat absorbent plays a role in cooling, and meanwhile, floating balls are not easy to deposit at the bottom of the quenching medium due to overlarge gravity and cannot float in the quenching medium.
Furthermore, the outer end of the heat-conducting silica gel column is coated with a first thermochromic coating, a second thermochromic coating and a third thermochromic coating, and the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are sequentially arranged from top to bottom, so that a worker can know the approximate range condition of the temperature change of the quenching medium by observing the color changes of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating, and then take measures to adjust the rotating speed of the corresponding motor.
Further, the color changing process of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating is a reversible process, when the temperature of the quenching medium rises to a certain degree, the color of the first thermochromic coating, the second thermochromic coating or the third thermochromic coating changes, and when the temperature of the quenching medium decreases to a certain degree, the color of the first thermochromic coating, the second thermochromic coating or the third thermochromic coating after color changing gradually returns to the original color.
Further, the color-changing temperature nodes of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are sequentially increased, the color-changing temperature nodes are respectively 10-20 ℃, 20-30 ℃ and 30-40 ℃, the color-changing colors of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are colors with strong contrast with each other, when the temperature is below the color-changing temperature nodes, the colors displayed by the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are the original colors, when the temperature is above the color-changing temperature nodes, the colors of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are changed, so that the surface of the heat-conducting silica gel column can present different colors in different temperature change ranges, a worker can judge the temperature according to the color change, and the more obvious the color contrast is, the more convenient the staff observes.
Furthermore, the floating ball is made of silicon rubber doped with heat conduction materials, so that the temperature of a quenching medium can be more rapidly conducted into the floating ball through the floating ball, meanwhile, the floating ball is lighter in weight due to the arrangement of the silicon rubber materials, and when mixed gas expands due to heating, the floating ball has an expanded space due to certain elasticity, the surface of the floating ball is coated with composite ceramic high-temperature anticorrosive paint, and the paint can resist acid and alkali corrosion for a long time, is strong in adhesive force, resists high temperature, can resist corrosion soaking of organic solvents, and can effectively protect the service life of the floating ball.
Furthermore, the flow stirring plate is made of a heat dissipation material, and when the motor drives the flow stirring plate to rotate, the flow stirring plate can enable the quenching medium to flow more uniformly and simultaneously effectively reduce the temperature of the quenching medium, and the outer end of the flow stirring plate is provided with a plurality of weight reducing holes which are uniformly distributed, so that the resistance of the flow stirring plate on the quenching medium during stirring is reduced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the temperature of the quenching medium after heat exchange with the workpiece can be conducted into the floating ball through the floating ball and the heat-conducting silica gel column, the heat absorbent is rapidly vaporized after absorbing external heat, so that the temperature of the quenching medium is effectively reduced, the implementation process is energy-saving and environment-friendly, meanwhile, the turbulence plate is driven to rotate through the motor, the flow of the quenching medium is accelerated, the turbulence plate can absorb part of heat of the quenching medium in the rotation process due to the special material arrangement of the turbulence plate, the temperature rising speed of the quenching medium is slowed down through the dual cooling effects of the heat absorbent and the turbulence plate, the cooling of the workpiece is accelerated, and the quenching efficiency is improved.
(2) The heat absorbent comprises the main component of an organic solvent, the organic solvent is ethanol, when the temperature of the quenching medium rises, the heat-conducting silica gel column and the floating ball absorb the temperature of the quenching medium and transfer the temperature into the floating ball, and when the organic solvent contacts the heat conducted by the floating ball, the organic solvent is quickly vaporized when heated, so that the heat on the surfaces of the floating ball and the heat-conducting silica gel column is absorbed, the effect of quickly reducing the temperature is achieved, and the temperature of the quenching medium is effectively reduced.
(3) The inner wall of the floating ball is fixedly connected with a blocking piece, the floating ball is divided into a gas area and a cooling area by the blocking piece, the gas area is located on the upper side of the cooling area, the mixed gas is located in the gas area, the heat absorbent is located in the cooling area, and the mixed gas and the heat absorbent are separated by the blocking piece, so that the heat absorbent and the mixed gas are not easily influenced mutually, and the blocking piece and the mixed gas can better play the self role.
(4) The separation sheet is made of flexible materials, the area of the separation sheet is larger than that of a circular tangent plane where the separation sheet is located, namely the separation sheet is in a loose state, the separation sheet can be gradually attached to the inner wall of the floating ball under the expansion pushing action of the mixed gas along with the heating expansion process of the mixed gas while the separation sheet plays a separation role in the heat absorbent and the mixed gas, so that the space of a cooling area is gradually reduced, the floating ball is gradually in a full-filling state, and the balance state of the floating ball in a quenching medium is favorably maintained.
(5) The space of the gas area is larger than that of the cooling area, and the size ratio of the gas area to the cooling area is 2-3: 1, the space occupied by the heat absorbent is small, so that the heat absorbent plays a role in cooling, and meanwhile, floating balls are not easy to deposit at the bottom of the quenching medium due to overlarge gravity and cannot float in the quenching medium.
(6) The outer end of the heat-conducting silica gel column is coated with a first thermochromic coating, a second thermochromic coating and a third thermochromic coating, the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are sequentially arranged from top to bottom, workers can know the approximate range condition of the temperature change of the quenching medium by observing the color changes of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating, and then measures are taken to adjust the rotating speed of the corresponding motor.
(7) The color changing process of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating is a reversible process, when the temperature of the quenching medium rises to a certain degree, the first thermochromic coating, the second thermochromic coating or the third thermochromic coating can change color, and when the temperature of the quenching medium is reduced to a certain degree, the color of the first thermochromic coating, the second thermochromic coating or the third thermochromic coating after color changing is gradually restored to the original color.
(8) The color-changing temperature nodes of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are sequentially increased, the color-changing temperature nodes are respectively 10-20 ℃, 20-30 ℃ and 30-40 ℃, the color-changing colors of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are mutually strongly contrasted colors, when the temperature is below the color-changing temperature nodes, the colors displayed by the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are the original colors, when the temperature is above the color-changing temperature nodes, the colors of the first thermochromic coating, the second thermochromic coating and the third thermochromic coating are changed, so that the surface of the heat-conducting silica gel column can present different colors in different temperature change ranges, and a worker can judge the temperature according to the color change, and the more obvious the color contrast is, the more convenient the staff observes.
(9) The floating ball is made by the silicon rubber material that mixes the heat conduction material, make the temperature of quenching medium can be through the more rapid conduction of floating ball to the floating ball in, the setting up of silicon rubber material makes the floating ball quality lighter simultaneously, and when the mist is heated the inflation, make the floating ball have the expanded space because of having certain elasticity, the floating ball surface is scribbled and is equipped with compound ceramic high temperature anticorrosive coating, this coating can be for a long time acidproof alkali corrosion resistant, adhesive force is strong, high temperature resistant, also can be resistant to the corruption of organic solvent and soak, can effectively protect the life of floating ball.
(10) The stirring plate is made of a heat dissipation material, the motor drives the stirring plate to rotate, the stirring plate enables the quenching medium to flow more uniformly and can effectively reduce the temperature of the quenching medium, and the outer end of the stirring plate is provided with a plurality of weight reducing holes which are uniformly distributed, so that the resistance of the stirring plate on the quenching medium during stirring is reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the floating ball and thermally conductive silicone column portion of the present invention;
FIG. 3 is a schematic structural view of a thermally conductive silica gel column portion of the present invention;
FIG. 4 is a schematic diagram of the front structure of the floating ball of the present invention floating a certain distance;
fig. 5 is a schematic view showing the structure of the floating ball portion when the heat absorbing agent of the present invention is consumed.
The reference numbers in the figures illustrate:
the quenching device comprises a quenching tank body 1, floating balls 2, a heat absorbent 21, a barrier piece 22, a heat-conducting silica gel column 3, a first thermochromic coating 31, a second thermochromic coating 32, a third thermochromic coating 33, a motor 4, a flow stirring plate 5, weight reducing holes 51 and a barrier net 6.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a quenching tank with improved quenching efficiency comprises a quenching tank body 1, a controller for controlling the on-off of a motor 4 is installed at the outer end of the quenching tank body 1, a quenching medium is contained in the quenching tank body 1, the motor 4 is installed at the bottom end of the quenching tank body 1, the output end of the motor 4 penetrates through the bottom end of the quenching tank body 1 and extends into the quenching tank body 1, a plurality of uniformly distributed turbulence plates 5 are fixedly connected to the output end of the motor 4, the turbulence plates 5 are made of a heat dissipation material, when the motor 4 drives the turbulence plates 5 to rotate, the temperature of the quenching medium can be effectively reduced while the quenching medium flows more uniformly by the turbulence plates 5, a plurality of uniformly distributed lightening holes 51 are drilled at the outer end of the turbulence plates 5, so that the resistance applied by the turbulence plates 5 when stirring the quenching medium is reduced, a plurality of floating balls 2 are arranged in the quenching tank body 1, and the floating balls 2 are made of a, the temperature of a quenching medium can be more rapidly conducted into the floating ball 2 through the floating ball 2, meanwhile, the floating ball 2 is lighter due to the arrangement of the silicon rubber material, when the mixed gas is heated and expands, the floating ball 2 has an expansion space due to certain elasticity, the surface of the floating ball 2 is coated with a composite ceramic high-temperature anticorrosive coating, the coating can resist acid and alkali corrosion for a long time, has strong adhesive force and high temperature resistance, and can resist corrosion and soaking of organic solvents, the service life of the floating ball 2 can be effectively protected, a plurality of floating balls 2 are all positioned on the upper side of the flow stirring plate 5, a blocking net 6 is fixedly connected between the left inner wall and the right inner wall of the quenching tank body 1, the blocking net 6 is positioned on the upper side of the flow stirring plate 5, the floating balls 2 are positioned on the upper side of the blocking net 6 and are in contact with the blocking net 6, and the lowest initial position of the floating ball 2 is limited, the floating ball 2 is not easy to sink into the bottom of the quenching tank body 1, the outer end of the floating ball 2 is fixedly connected with a plurality of heat-conducting silica gel columns 3 which are uniformly distributed, and the floating ball 2 can be protected by the arrangement of the heat-conducting silica gel columns 3, so that when a workpiece is immersed into the quenching tank body 1, the floating ball 2 is not easy to damage due to the compression of the workpiece.
Referring to fig. 3, the outer end of the thermally conductive silica gel column 3 is coated with a first thermochromic coating 31, a second thermochromic coating 32, and a third thermochromic coating 33, and the first thermochromic coating 31, the second thermochromic coating 32, and the third thermochromic coating 33 are sequentially arranged from top to bottom, so that a worker can know the approximate range of the temperature change of the quenching medium by observing the color changes of the first thermochromic coating 31, the second thermochromic coating 32, and the third thermochromic coating 33, and then take measures to adjust the rotation speed of the corresponding motor, when the first thermochromic coating 31 starts to change color, the rotation speed of the motor is medium-speed, when the second thermochromic coating 32 starts to change color, the rotation speed of the motor is medium-high-speed, when the third thermochromic coating 33 starts to change color, the rotation speed of the motor is high-speed, and the color changing process of the first thermochromic coating 31, the second thermochromic coating 32, and the third thermochromic coating 33 is reversible, when the temperature of the quenching medium is increased to a certain degree, the first thermochromic coating 31, the second thermochromic coating 32 or the third thermochromic coating 33 can change in color, and when the temperature of the quenching medium is decreased to a certain degree, the color of the first thermochromic coating 31, the second thermochromic coating 32 or the third thermochromic coating 33 after color change gradually returns to the original color.
The color-changing temperature nodes of the first thermochromic coating 31, the second thermochromic coating 32 and the third thermochromic coating 33 are sequentially increased, the color-changing temperature nodes are respectively 15 ℃, 25 ℃ and 35 ℃, the color-changing colors of the first thermochromic coating 31, the second thermochromic coating 32 and the third thermochromic coating 33 are colors with strong contrast with each other, when the temperature is below the color-changing temperature nodes, the colors displayed by the first thermochromic coating 31, the second thermochromic coating 32 and the third thermochromic coating 33 are the original colors, when the temperature is above the color-changing temperature nodes, the colors of the first thermochromic coating 31, the second thermochromic coating 32 and the third thermochromic coating 33 are changed, so that the surface of the heat-conducting silica gel column 3 can present different colors in different temperature change ranges, and a worker can judge the temperature according to the color change, and the more obvious the color contrast is, the more convenient the staff observes.
Referring to fig. 2, a heat absorbent 21 is arranged inside the floating ball 2, the heat absorbent 21 is located at the inner bottom end of the floating ball 2, the heat absorbent 21 mainly comprises an organic solvent, the organic solvent is ethanol, when the temperature of the quenching medium rises, the heat conductive silica gel column 3 and the floating ball 2 absorb the temperature of the quenching medium and transmit the temperature to the floating ball 2, when the organic solvent contacts the heat conducted by the floating ball 2, the organic solvent is rapidly vaporized when heated, so as to absorb the heat on the surfaces of the floating ball 2 and the heat conductive silica gel column 3, thereby achieving the effect of rapidly cooling, thereby effectively reducing the temperature of the quenching medium, the implementation process is energy-saving and environment-friendly, the floating ball 2 is filled with mixed gas of nitrogen and helium, the inner wall of the floating ball 2 is fixedly connected with a barrier sheet 22, the barrier sheet 22 divides the floating ball 2 into a gas area and a cooling area, the gas area is located on the upper side, the mixed gas is located the gas district, and heat absorbent 21 is located the cooling district, separates mixed gas and heat absorbent 21 through separation piece 22 for heat absorbent 21 and mixed gas are difficult for receiving the influence each other, and then make separation piece 22 and mixed gas can be better exert its self effect, and the space in gas district is greater than the space in cooling district, and both size ratio is 2: 1, the space occupied by the heat absorbent 21 is small, so that the heat absorbent 21 plays a role in reducing the temperature, and meanwhile, the floating balls 2 are not easy to deposit at the bottom of the quenching medium due to overlarge gravity of the heat absorbent 21 and cannot float in the quenching medium.
Referring to fig. 5, the blocking sheet 22 is made of a flexible material, and the area of the blocking sheet 22 is larger than the area of the circular section where the blocking sheet 22 is located, that is, the blocking sheet 22 is in a loose state, so that the blocking sheet 22 plays a role in blocking the heat absorbent 21 and the mixed gas, and at the same time, when the heat absorbent 21 is completely consumed, along with the heated expansion process of the mixed gas, the blocking sheet 22 can gradually adhere to the inner wall of the floating ball 2 under the expansion pushing action of the mixed gas, so that the space of the cooling area is gradually reduced, and the floating ball 2 is gradually in a full state, thereby being beneficial to maintaining the balance state of the floating ball 2 in the quenching medium.
When the quenching tank body 1 is used, a proper amount of floating balls 2 are put into the quenching tank body 1, a workpiece is soaked in a quenching medium in the quenching tank body 1, meanwhile, a worker starts a controller to control a motor 4 to start, the motor 4 drives an agitating plate 5 to rotate at a low speed, the quenching medium is slowly agitated when the agitating plate 5 rotates, so that the flowability of the quenching medium is better, after the workpiece is soaked in the quenching medium for a period of time, the temperature of the workpiece can be transmitted into the quenching medium, so that the temperature of the quenching medium is increased, and the temperature of the quenching medium is increased more rapidly along with the increase of the soaking time of the workpiece, in the process, when the temperature of the quenching medium is increased, the temperature of the quenching medium is transmitted into the floating balls 2 through the floating balls 2 and the heat-conducting silica gel columns 3, the heat absorbent 21 can be rapidly vaporized when being heated, the temperature of the quenching medium is absorbed, and, meanwhile, the mixed gas is heated to expand, when the heat absorbent 21 is gradually consumed and the mixed gas expands, referring to fig. 4, a plurality of floating balls 2 start to gradually rise in the quenching medium, when a worker observes that the floating balls 2 rise to a certain height (close to the liquid level of the quenching medium), the worker controls the motor 4 to rotate at a high speed, so that the stirring plate 5 performs high-speed stirring on the quenching medium, in the rotating process of the stirring plate 5, the special material arrangement of the stirring plate 5 enables the stirring plate 5 to effectively perform cooling operation on the quenching medium, the temperature of the quenching medium after heat exchange with a workpiece can be conducted into the floating balls 2 through the floating balls 2 and the heat-conducting silica gel columns 3, the heat absorbent 21 is quickly vaporized after absorbing external heat, so that the temperature of the quenching medium is effectively reduced, the implementation process is energy-saving and environment-friendly, and the stirring plate 5 is driven to rotate by the motor 4, when the flow of the quenching medium is accelerated, the special material of the turbulence plate 5 can enable the turbulence plate 5 to absorb part of the heat of the quenching medium in the rotating process, and the temperature rising speed of the quenching medium is slowed down through the dual cooling effect of the heat absorbent 21 and the turbulence plate 5, so that the cooling of a workpiece is accelerated, and the quenching efficiency is improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A quenching tank with improved quenching efficiency comprises a quenching tank body (1) and is characterized in that: the quenching tank is characterized in that a quenching medium is contained in the quenching tank body (1), a motor (4) is installed at the bottom end of the quenching tank body (1), the output end of the motor (4) penetrates through the inner bottom end of the quenching tank body (1) and extends into the quenching tank body (1), a plurality of uniformly distributed flow stirring plates (5) are fixedly connected with the output end of the motor (4), a plurality of floating balls (2) are arranged in the quenching tank body (1) and are all located on the upper side of the flow stirring plates (5), a plurality of uniformly distributed heat conduction silica gel columns (3) are fixedly connected with the outer ends of the floating balls (2), a heat absorbent (21) is arranged inside the floating balls (2), the heat absorbent (21) is located at the inner bottom end of the floating balls (2), a mixed gas of nitrogen and helium is filled inside the floating balls (2), and a separation blocking net (6) is fixedly connected between the left inner wall and the right inner wall of the, the heat absorber is characterized in that the blocking net (6) is located on the upper side of the flow stirring plate (5), the floating ball (2) is located on the upper side of the blocking net (6) and is in contact with the blocking net (6), the main component of the heat absorber (21) is an organic solvent, and the organic solvent is ethanol.
2. A quenching tank with improved quenching efficiency according to claim 1, characterized in that: the inner wall of the floating ball (2) is fixedly connected with a blocking sheet (22), the floating ball (2) is divided into a gas area and a cooling area by the blocking sheet (22), the gas area is located on the upper side of the cooling area, the mixed gas is located in the gas area, and the heat absorbent (21) is located in the cooling area.
3. A quenching tank with improved quenching efficiency according to claim 2, characterized in that: the blocking sheet (22) is made of flexible materials, and the area of the blocking sheet (22) is larger than that of the circular tangent plane where the blocking sheet (22) is located.
4. A quenching tank with improved quenching efficiency according to claim 2, characterized in that: the space of the gas area is larger than that of the cooling area, and the size ratio of the gas area to the cooling area is 2-3: 1.
5. a quenching tank with improved quenching efficiency according to claim 1, characterized in that: the outer end of the heat-conducting silica gel column (3) is coated with a first thermochromic coating (31), a second thermochromic coating (32) and a third thermochromic coating (33), and the first thermochromic coating (31), the second thermochromic coating (32) and the third thermochromic coating (33) are sequentially arranged from top to bottom.
6. A quenching tank with improved quenching efficiency according to claim 5, characterized in that: the color change processes of the first thermochromic coating (31), the second thermochromic coating (32) and the third thermochromic coating (33) are reversible processes.
7. A quenching tank with improved quenching efficiency according to claim 5, characterized in that: the color-changing temperature nodes of the first thermochromic coating (31), the second thermochromic coating (32) and the third thermochromic coating (33) are sequentially increased, the color-changing temperature nodes are respectively 10-20 ℃, 20-30 ℃ and 30-40 ℃, and the color-changing colors of the first thermochromic coating (31), the second thermochromic coating (32) and the third thermochromic coating (33) are mutually contrastive colors.
8. A quenching tank with improved quenching efficiency according to claim 1, characterized in that: the floating ball (2) is made of a silicon rubber material mixed with a heat conduction material, and the surface of the floating ball (2) is coated with a composite ceramic high-temperature anticorrosive paint.
9. A quenching tank with improved quenching efficiency according to claim 1, characterized in that: the stirring plate (5) is made of a heat dissipation material, and a plurality of weight reducing holes (51) which are uniformly distributed are formed in the outer end of the stirring plate (5).
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| CN111893271B (en) * | 2020-07-31 | 2022-04-22 | 山东金珠材料科技有限公司 | Metal workpiece quenching equipment capable of rapidly extracting fog |
| CN113699345B (en) * | 2021-08-20 | 2023-04-14 | 江苏华东三和兴模具材料有限公司 | Heat treatment system and process for improving corrosion resistance, toughness and polishing property of die steel |
| CN116083687B (en) * | 2023-03-24 | 2023-06-16 | 玉田县致泰钢纤维制造有限公司 | Equipment and method for producing end hook type steel fibers |
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