CN112176161A - Sample quenching oil tank capable of realizing automatic temperature adjustment - Google Patents
Sample quenching oil tank capable of realizing automatic temperature adjustment Download PDFInfo
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- CN112176161A CN112176161A CN202011091775.6A CN202011091775A CN112176161A CN 112176161 A CN112176161 A CN 112176161A CN 202011091775 A CN202011091775 A CN 202011091775A CN 112176161 A CN112176161 A CN 112176161A
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- oil
- quenching
- tank
- quenching oil
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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
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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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
- C21D11/00—Process control or regulation for heat treatments
-
- 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a sample oil quenching tank capable of realizing automatic temperature adjustment, which comprises an oil quenching tank, an oil storage tank, a quenching oil cooling circulation unit, an oil quenching tank smoke exhaust unit and an automatic control unit, wherein the oil quenching tank is connected with the oil storage tank; the quenching oil cooling circulation unit comprises an oil storage tank heat exchanger and a plate heat exchanger; the plate heat exchanger is respectively connected with the quenching oil tank and the oil storage tank through a quenching oil output pipe, and quenching oil in the quenching oil tank enters the oil storage tank after heat exchange and temperature reduction of the plate heat exchanger; the automatic control unit comprises a controller, an oil storage tank temperature sensor, a smoke sensor and a quenching oil tank temperature sensor; through the mutual cooperation work among the quenching oil cooling circulation unit, the quenching oil groove smoke exhaust unit and the automatic control unit, the quenching oil cooling performance is improved, and the temperature of the quenching oil can be accurately adjusted.
Description
Technical Field
The invention belongs to the technical field of heat treatment equipment, and particularly relates to a sample quenching oil tank capable of realizing automatic temperature adjustment.
Background
Quenching is one of the most important methods for heat treatment, and the quenching of the workpiece is to obtain a martensitic structure, thereby providing the workpiece with high hardness and high wear resistance. The quenching oil is the most common cooling mode for alloy steel quenching, and particularly for thin plate workpieces, the quenching oil can ensure the quenching hardness and reduce the quenching distortion.
Meanwhile, the temperature of the quenching medium has great influence on the cooling capacity of the workpiece, the cooling capacity of the red arrow is optimal when the quenching temperature is 40-80 ℃, and when the quenching temperature exceeds 95 ℃, the cooling capacity of the workpiece is reduced, the cooling performance of quenching oil is gradually deteriorated, and fire hazard can exist; therefore, the temperature of the quenching oil is preferably kept between 20 and 80 ℃ in the actual production process.
In addition, the quenching tank is used as a main device for quenching, not only has the function of storing a quenching medium, but also improves the cooling capacity of the quenching tank and the production safety.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the sample quenching oil tank capable of realizing automatic temperature adjustment, which improves the cooling performance of quenching oil and improves the temperature adjustment precision of the quenching oil.
The technical scheme adopted by the invention is as follows:
a sample oil quenching tank capable of realizing automatic temperature adjustment comprises an oil quenching tank, an oil storage tank, a quenching oil cooling circulation unit, an oil quenching tank smoke discharge unit and an automatic control unit; the quenching oil cooling circulation unit comprises an oil storage tank heat exchanger and a plate heat exchanger; the plate heat exchanger is respectively connected with the quenching oil tank and the oil storage tank through a quenching oil output pipe, and quenching oil in the quenching oil tank enters the oil storage tank after heat exchange and temperature reduction of the plate heat exchanger; the oil storage tank heat exchanger is arranged in the oil storage tank;
the smoke exhaust unit of the quenching oil tank comprises an upper cover of the quenching oil tank, a smoke exhaust pipe and an air supply valve, wherein the upper cover of the quenching oil tank is arranged at the top of the quenching oil tank in a matching way, and the smoke exhaust pipe and the air supply valve are both arranged on the upper cover of the quenching oil tank;
the automatic control unit comprises a controller, an oil storage tank temperature sensor, a smoke sensor and a quenching oil tank temperature sensor; the oil storage tank temperature sensor is arranged in the oil storage tank and connected with the controller, and is used for detecting the temperature of quenching oil in the oil storage tank and transmitting the temperature to the controller; the smoke sensor is arranged on the upper cover of the oil quenching tank and connected with the controller, and is used for detecting smoke in the oil quenching tank and transmitting the smoke to the controller; the quenching oil groove temperature sensor is arranged on the inner wall of the quenching oil groove and connected with the controller, and is used for detecting the temperature of quenching oil in the quenching oil groove and transmitting the temperature to the controller.
Further, one end of the smoke exhaust pipe is communicated with the interior of the quenching oil tank, and the other end of the smoke exhaust pipe is connected with an exhaust fan to timely exhaust smoke in the quenching oil tank;
furthermore, the outlet end of the smoke exhaust pipe is connected with a smoke treatment unit, so that the quenching oil is condensed and recycled.
Further, the controller adopts a PLC, the standard temperature of the quenching oil is set in the PLC, when the temperatures of the quenching oil detected by the oil storage tank temperature sensor and the quenching oil tank temperature sensor are higher than the standard temperature, the PLC outputs a cooling working instruction, and after each unit receives the cooling working instruction, on one hand, the quenching oil in the quenching oil tank is input into the plate heat exchanger for first heat exchange and cooling, on the other hand, the quenching oil in the oil storage tank is subjected to second heat exchange and cooling by the oil storage tank heat exchanger, and the cooled quenching oil is input into the quenching oil tank;
a smoke concentration threshold value in the oil quenching tank is set in the PLC, when the smoke sensor detects that the smoke concentration in the oil quenching tank reaches the threshold value, the PLC outputs a smoke discharging working instruction, and the exhaust unit of the oil quenching tank starts an exhaust fan after receiving the smoke discharging working instruction to discharge smoke in the oil quenching tank.
Further, still fixedly being equipped with the location rank at the oil quenching groove inner wall, the location rank is that fixed mounting is protruding at oil quenching groove inner wall annular, can arrange the sample basket in the quenching process, the upper limb of sample basket also is equipped with annular arch, can fix the sample basket in the oil quenching groove with the protruding cooperation of oil quenching groove inner wall, and the upper portion of sample basket still is equipped with the chain sling, places the sample basket in the oil quenching groove through the chain sling.
Furthermore, a stirrer is arranged in the quenching oil groove to increase the fluidity of the quenching oil.
The invention has the beneficial effects that:
according to the sample quenching oil tank capable of realizing automatic temperature adjustment, the quenching oil cooling circulation unit, the quenching oil tank smoke exhaust unit and the automatic control unit are matched with one another, so that the quenching oil cooling performance is improved, the temperature of quenching oil can be accurately adjusted, smoke generated in the quenching process can be effectively treated, and the working environment of the quenching process is improved.
Drawings
FIG. 1 is a schematic view of a sample quench oil bath with automatic temperature regulation according to the present invention;
FIG. 2 is a block diagram of the control system of the present invention;
in the figure, the quenching oil quenching device comprises a quenching oil tank 1, an oil storage tank 2, a heat exchange medium circulating pipe 3, an oil storage tank temperature sensor 4, an oil storage tank heat exchanger 5, a quenching oil input pump 6, a quenching oil input pipe 7, a plate type heat exchanger 8, a quenching oil output pump 9, a quenching oil output pipe 10, an air supply valve 11, a smoke sensor 12, a smoke exhaust pipe 13, a quenching oil tank upper cover 14, a positioning step 15, a sample basket 16, a quenching oil tank temperature sensor 17 and a quenching oil tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The sample oil-quenching tank for realizing automatic temperature adjustment as shown in fig. 1 comprises an oil-quenching tank 17, an oil storage tank 1, a quenching oil cooling circulation unit, an oil-quenching tank smoke discharge unit and an automatic control unit; the quenching oil cooling circulation unit comprises an oil storage tank heat exchanger 4 and a plate type heat exchanger 7; the two ends of the plate type heat exchanger 7 are respectively connected with the quenching oil tank 17 and the oil storage tank 1 through a quenching oil output pipe 9, a quenching oil output pump 8 is arranged on the quenching oil output pipe 9, quenching oil in the quenching oil tank 17 is pumped into the plate type heat exchanger 7 through the quenching oil output pump 8, and the quenching oil enters the oil storage tank 1 after being subjected to heat exchange with a heat exchange medium in the plate type heat exchanger 7 and then is cooled for the first time. The oil storage tank heat exchanger 4 is arranged in the oil storage tank 1, a heat exchange medium is input into the oil storage tank heat exchanger 4 through the heat exchange medium circulating pipe 2, so that heat exchange between the heat exchange medium and the quenching oil in the oil storage tank 1 is realized, secondary cooling of the quenching oil is realized, and the quenching oil in the oil storage tank 1 is kept to be used within a temperature range meeting quenching requirements.
Because oil smoke is generated in the quenching process, the oil quenching tank smoke exhaust unit is configured in the oil quenching tank 17 and comprises an oil quenching tank upper cover 13, a smoke exhaust pipe 12 and an air supply valve 10, wherein the oil quenching tank upper cover 13 is installed at the top of the oil quenching tank 17 in a matching way, and the oil quenching tank upper cover 13 and the oil quenching tank 17 can be installed and disassembled; the smoke exhaust pipe 12 and the air supply valve 10 are both arranged on an upper cover 13 of the quenching oil tank; one end of the smoke exhaust pipe 12 is communicated with the interior of the quenching oil groove 17, the other end of the smoke exhaust pipe 12 is connected with an exhaust fan, smoke in the quenching oil groove 17 is timely exhausted, the outlet end of the smoke exhaust pipe 12 can also be connected with a smoke treatment unit, and condensation and recovery of quenching oil can be achieved. In order to compensate the air pressure of the oil quenching tank 17, air is compensated through the air compensating valve 10 on the upper cover 13 of the oil quenching tank, and the air compensating valve 10 is a one-way valve and avoids the outward opening to cause the leakage of the smoke in the oil quenching tank 17.
The automatic control unit comprises a controller, an oil storage tank temperature sensor 3, a smoke sensor 11 and a quenching oil tank temperature sensor 16; the oil storage tank temperature sensor 3 is arranged in the oil storage tank 1 and connected with the controller, and is used for detecting the temperature of quenching oil in the oil storage tank 1 and transmitting the temperature to the controller; the smoke sensor 11 is arranged on the upper cover 13 of the oil quenching tank and connected with the controller, and is used for detecting smoke in the oil quenching tank 17 and transmitting the smoke to the controller; the oil-quenching tank temperature sensor 16 is arranged on the inner wall of the oil-quenching tank 17 and connected with the controller, and is used for detecting the temperature of the quenching oil in the oil-quenching tank 17 and transmitting the temperature to the controller.
As shown in fig. 2, the controller adopts a PLC, a working instruction corresponding to the quenching oil cooling circulation unit and the quenching oil tank smoke exhaust unit can be set in the PLC, for example, a standard temperature of the quenching oil is set, when the temperatures of the quenching oil detected by the oil storage tank temperature sensor 3 and the quenching oil tank temperature sensor 16 are higher than the standard temperature, the controller outputs a cooling working instruction through a signal line, after receiving the cooling working instruction, each unit inputs the quenching oil in the quenching oil tank 17 into the plate heat exchanger 7 for first heat exchange and cooling, and after receiving the cooling working instruction, the oil storage tank heat exchanger 4 performs second heat exchange and cooling on the quenching oil in the oil storage tank 1 and inputs the cooled quenching oil into the quenching oil tank 17.
Setting a smoke concentration threshold value in the quenching oil tank 17, outputting a smoke discharging working instruction by the controller through a signal line when the smoke sensor 11 detects that the smoke concentration in the quenching oil tank 17 reaches the threshold value, starting an exhaust fan after the smoke discharging working instruction is received by the quenching oil tank smoke discharging unit, and discharging the smoke in the quenching oil tank 17 into a smoke processing unit through a smoke discharging pipe 12 to perform a tail gas processing program.
Still fixed being equipped with in the oil quenching tank 17 inner wall and fixing location rank 14, location rank 14 is the annular arch of fixed mounting in oil quenching tank 17 inner wall, can arrange sample basket 15 in the quenching process, the upper limb of sample basket 15 also is equipped with annular arch, can fix sample basket 15 in oil quenching tank 17 with the protruding cooperation of oil quenching tank 17 inner wall, and the upper portion of sample basket 15 still is equipped with the chain sling, places sample basket 15 in oil quenching tank 17 through the chain sling. In order to promote the effect of quenching the sample in the oil-quenching bath 17, an agitator may be provided in the oil-quenching bath 17 to increase the fluidity of the quenching oil.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (6)
1. A sample oil-quenching tank capable of realizing automatic temperature adjustment is characterized by comprising an oil-quenching tank (17), an oil storage tank (1), a quenching oil cooling circulation unit, an oil-quenching tank smoke discharge unit and an automatic control unit; the quenching oil cooling circulation unit comprises an oil storage tank heat exchanger (4) and a plate type heat exchanger (7); the plate type heat exchanger (7) is respectively connected with the quenching oil tank (17) and the oil storage tank (1) through a quenching oil output pipe (9), and quenching oil in the quenching oil tank (17) enters the oil storage tank (1) through heat exchange and temperature reduction of the plate type heat exchanger (7); the oil storage tank heat exchanger (4) is arranged in the oil storage tank (1);
the smoke exhaust unit of the quenching oil tank comprises a quenching oil tank upper cover (13), a smoke exhaust pipe (12) and an air supply valve (10), wherein the quenching oil tank upper cover (13) is installed at the top of the quenching oil tank (17) in a matching manner, and the smoke exhaust pipe (12) and the air supply valve (10) are both installed on the quenching oil tank upper cover (13);
the automatic control unit comprises a controller, an oil storage tank temperature sensor (3), a smoke sensor (11) and a quenching oil tank temperature sensor (16); the oil storage tank temperature sensor (3) is arranged in the oil storage tank (1) and connected with the controller, and is used for detecting the temperature of quenching oil in the oil storage tank (1) and transmitting the temperature to the controller; the smoke sensor (11) is arranged on the upper cover (13) of the quenching oil tank and connected with the controller, and is used for detecting smoke in the quenching oil tank (17) and transmitting the smoke to the controller; the oil quenching tank temperature sensor (16) is arranged on the inner wall of the oil quenching tank (17) and is connected with the controller, and is used for detecting the temperature of quenching oil in the oil quenching tank (17) and transmitting the temperature to the controller.
2. The sample oil quenching tank capable of realizing automatic temperature regulation according to claim 1, wherein one end of the smoke exhaust pipe (12) is communicated with the interior of the oil quenching tank (17), and the other end of the smoke exhaust pipe (12) is connected with a fan for timely exhausting smoke in the oil quenching tank (17).
3. The sample oil-quenching tank capable of realizing automatic temperature adjustment according to claim 2, wherein the outlet end of the smoke exhaust pipe (12) is connected with a flue gas treatment unit to realize condensation and recovery of quenching oil.
4. The sample quenching oil tank capable of realizing automatic temperature adjustment according to claim 1, 2 or 3, wherein the controller adopts a PLC, a standard temperature of quenching oil is set in the PLC, when the temperatures of the quenching oil detected by the oil tank temperature sensor (3) and the quenching oil tank temperature sensor (16) are higher than the standard temperature, the PLC outputs a cooling work instruction, and after receiving the cooling work instruction, each unit inputs the quenching oil in the quenching oil tank (17) into the plate heat exchanger (7) for first heat exchange and cooling, and on the other hand, the oil tank heat exchanger (4) performs second heat exchange and cooling on the quenching oil in the oil tank (1) and inputs the cooled quenching oil into the quenching oil tank (17);
a smoke concentration threshold value in the oil quenching tank (17) is set in the PLC, when the smoke sensor (11) detects that the smoke concentration in the oil quenching tank (17) reaches the threshold value, the PLC outputs a smoke discharging working instruction, and the smoke discharging unit of the oil quenching tank starts an exhaust fan after receiving the smoke discharging working instruction, so that smoke in the oil quenching tank (17) is exhausted.
5. The sample quenching oil tank capable of realizing automatic temperature regulation according to claim 4, characterized in that a positioning step (14) is further fixedly arranged on the inner wall of the quenching oil tank (17), the positioning step (14) is an annular protrusion fixedly arranged on the inner wall of the quenching oil tank (17), a sample can be placed in the sample basket (15) in the quenching process, the upper edge of the sample basket (15) is also provided with an annular protrusion, the annular protrusion can be matched with the protrusion on the inner wall of the quenching oil tank (17) to fix the sample basket (15) in the quenching oil tank (17), the upper part of the sample basket (15) is further provided with a sling chain, and the sample basket (15) is placed in the quenching oil tank (17) through the sling chain.
6. A sample quenching oil tank capable of realizing automatic temperature regulation according to claim 5, characterized in that an agitator is arranged in the quenching oil tank (17) to increase the fluidity of quenching oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011091775.6A CN112176161A (en) | 2020-10-13 | 2020-10-13 | Sample quenching oil tank capable of realizing automatic temperature adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011091775.6A CN112176161A (en) | 2020-10-13 | 2020-10-13 | Sample quenching oil tank capable of realizing automatic temperature adjustment |
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| Publication Number | Publication Date |
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| CN112176161A true CN112176161A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011091775.6A Pending CN112176161A (en) | 2020-10-13 | 2020-10-13 | Sample quenching oil tank capable of realizing automatic temperature adjustment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206721268U (en) * | 2017-05-27 | 2017-12-08 | 洛阳市钦鑫大型钢球厂 | Water circulation Cooling Quenching device |
| CN207047283U (en) * | 2017-07-25 | 2018-02-27 | 黄河科技学院 | Cooling water circulation system is used in mechanical workpieces quenching |
| CN208649387U (en) * | 2018-07-11 | 2019-03-26 | 马鞍山力搏机械制造有限公司 | A kind of oil quenchinng device of alloy-steel casting |
| CN209243114U (en) * | 2018-10-22 | 2019-08-13 | 刘荣 | Quenching oil cyclic utilization system |
| CN210261889U (en) * | 2019-05-10 | 2020-04-07 | 浙江佳尔达热处理有限公司 | Full-automatic oil-quenching tank circulating oil device |
| CN211595722U (en) * | 2019-12-17 | 2020-09-29 | 重庆壹拓金属制品有限公司 | Quenching oil fume purification device |
-
2020
- 2020-10-13 CN CN202011091775.6A patent/CN112176161A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206721268U (en) * | 2017-05-27 | 2017-12-08 | 洛阳市钦鑫大型钢球厂 | Water circulation Cooling Quenching device |
| CN207047283U (en) * | 2017-07-25 | 2018-02-27 | 黄河科技学院 | Cooling water circulation system is used in mechanical workpieces quenching |
| CN208649387U (en) * | 2018-07-11 | 2019-03-26 | 马鞍山力搏机械制造有限公司 | A kind of oil quenchinng device of alloy-steel casting |
| CN209243114U (en) * | 2018-10-22 | 2019-08-13 | 刘荣 | Quenching oil cyclic utilization system |
| CN210261889U (en) * | 2019-05-10 | 2020-04-07 | 浙江佳尔达热处理有限公司 | Full-automatic oil-quenching tank circulating oil device |
| CN211595722U (en) * | 2019-12-17 | 2020-09-29 | 重庆壹拓金属制品有限公司 | Quenching oil fume purification device |
Non-Patent Citations (1)
| Title |
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| 许淑珍等: "热处理淬火冷却循环系统的改造设计", 《中国铸造装备与技术》 * |
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Application publication date: 20210105 |