CN103981344B - A kind of online constant temperature substep cryogenic treatment apparatus - Google Patents
A kind of online constant temperature substep cryogenic treatment apparatus Download PDFInfo
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- CN103981344B CN103981344B CN201410182770.2A CN201410182770A CN103981344B CN 103981344 B CN103981344 B CN 103981344B CN 201410182770 A CN201410182770 A CN 201410182770A CN 103981344 B CN103981344 B CN 103981344B
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Abstract
The present invention relates to a kind of online constant temperature substep cryogenic treatment apparatus, comprising cryogenic unit, one end of cryogenic unit is connected with quenching device, and quenching device is connected with thermal treatment unit, the other end of cryogenic unit is connected with tempering unit, and cryogenic unit comprises the cryogenic unit that many groups are connected. The present invention has easy to use, it is to increase production efficiency, is applicable to the advantage of pipelining.
Description
Technical field
The present invention relates to a kind of cryogenic treatment apparatus, particularly a kind of online constant temperature substep cryogenic treatment apparatus.
Background technology
Sub-zero treatment is a kind of emerging metallic substance intensifying technology. At present progressively at hardware & tools, machinery, the energy, and military, aviation, space industry etc. are promoted the use of. Deep freeze refrigeration plant international and domestic at present is independent operating case cabinet type structure. Component generally must be transported to Shen Leng center after heat treatment and carry out sub-zero treatment, this material heat-treated online for some, such as steel wire, steel cable etc., very inconvenient, reduce working efficiency.
Summary of the invention
It is an object of the invention to overcome above deficiency, it is provided that a kind of easy to use, it is to increase production efficiency, it is applicable to the online constant temperature substep cryogenic treatment apparatus of pipelining.
The object of the present invention is achieved through the following technical solutions: a kind of online constant temperature substep cryogenic treatment apparatus, comprise cryogenic unit, one end of cryogenic unit is connected with quenching device, quenching device is connected with thermal treatment unit, the other end of cryogenic unit is connected with tempering unit, and cryogenic unit comprises organizes dark cold group be connected more.
Further improvement of the present invention is: described cryogenic unit comprises two groups dark cold group, one group dark cold group is cooling group, another dark cold group of group is intensification group, often organize dark cold group and include multiple cryogenic unit, each cryogenic unit is monoblock type or split type, combined by flange on side between adjacent two cryogenic unit and carry out sealing or by outer screw socket, interior screw socket is combined closely, it is cavity in the middle of each cryogenic unit, the outer of cavity is arranged with thermal insulation layer, thermal insulation layer is provided with the groove of two symmetrical placements for material turnover, cavity is provided with temperature probe, each cavity is all connected with liquid nitrogen intake ducting, multiple liquid nitrogen intake ducting is all connected with liquid nitrogen container, each liquid nitrogen intake ducting is equipped with electrically-controlled valve, multiple electrically-controlled valve is all connected with central controller, each cavity is also connected with pressure exhaust pipeline, pressure exhaust pipeline is equipped with pressure-controlling air outlet valve.
Further improvement of the present invention is: one end that liquid nitrogen intake ducting described in each is placed in cavity is equipped with multiple tuyere.
Further improvement of the present invention is: the length of each cryogenic unit is less than 1m.
Further improvement of the present invention is: the length of each cryogenic unit is greater than 1m, is provided with for making the equally distributed fan of gas in cryogenic unit.
Further improvement of the present invention is: be provided with well heater in the cryogenic unit of the intensification group of described dark cold group.
The present invention compared with prior art has the following advantages: adopt online moudle type cryogenic unit, by steel, and such as steel cable etc., rising again and tempering after sequentially carrying out sub-zero treatment and process in Continuous maching process. Each cryogenic unit includes liquid nitrogen import and the magnetic valve of control liquid nitrogen. Liquid nitrogen enters after chilling chamber the size according to chamber, internal fan or jet pipe can be adopted to be uniformly distributed by the liquid nitrogen after gasification to be put in refrigeration chamber, indoor placement device has temperature probe, requiring to be down to according to numerical control program and remain in certain temperature, deep freeze refrigeration plant independent of other is compared this equipment and is adopted multimode substep cooling namely to adopt many cryogenic unit to lower the temperature so that integral device flexible design, low cost of manufacture, easy to use, easy to maintenance, it is possible to use in continuity steel processing industry.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the internal structure schematic diagram of cryogenic unit of the present invention;
Fig. 3 is the change schematic diagram that the temperature of the present invention when working progressively declines and progressively rise;
Dark cold group of number in the figure: 1-, 2-quenching device, 3-cryogenic unit, 4-cavity, 5-thermal insulation layer, 6-groove, 7-temperature probe, 8-liquid nitrogen intake ducting, 9-liquid nitrogen container, 10-electrically-controlled valve, 11-central controller, 12-pressure exhaust pipeline, 13-pressure-controlling air outlet valve, 14-tempering unit, 15-thermal treatment unit.
Embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment, only for explaining the present invention, does not form limiting the scope of the present invention.
As Fig. 1 to Fig. 2 shows the embodiment of a kind of online constant temperature substep cryogenic treatment apparatus of the present invention, comprise cryogenic unit, one end of cryogenic unit is connected with quenching device 2, quenching device 2 is connected with thermal treatment unit 15, the other end of cryogenic unit is connected with tempering unit 14, and cryogenic unit comprises organizes dark cold group 1 be connected more. the preferred cryogenic unit of the present invention comprises two groups dark cold group 1, one group dark cold group 1 is cooling group, internal temperature is progressively from the near appointment low temperature of room temperature, dark cold group 1 of another group is intensification group, internal temperature is progressively increased to room temperature from low temperature, often organize dark cold group 1 and include multiple cryogenic unit 3, each cryogenic unit 3 is monoblock type or split type, combined by flange on side between adjacent two cryogenic unit 3 and carry out sealing or by outer screw socket, interior screw socket is combined closely, it is cavity 4 in the middle of each cryogenic unit 3, the outer of cavity 4 is arranged with thermal insulation layer 5, thermal insulation layer 5 is provided with the groove 6 of two symmetrical placements for material turnover, cavity 4 is provided with temperature probe 7, each cavity 4 is all connected with liquid nitrogen intake ducting 8, multiple liquid nitrogen intake ducting 8 is all connected with liquid nitrogen container 9, each liquid nitrogen intake ducting 8 is equipped with electrically-controlled valve 10, multiple electrically-controlled valve 10 is all connected with central controller 11, each cavity 4 is also connected with pressure exhaust pipeline 12, pressure exhaust pipeline 12 is equipped with pressure-controlling air outlet valve 13. one end that each liquid nitrogen intake ducting 8 is placed in cavity 4 is equipped with multiple tuyere, the length of each cryogenic unit 3 is generally no more than 1m, when the length of cryogenic unit 3 is greater than 1m, cryogenic unit 3 is provided with for making the equally distributed fan of gas, tempering unit 1 is provided with well heater.
As shown in Figure 3, this figure is displayed under central controller program reconciles, the temperature variation of each cryogenic unit, material have when entering a certain unit on the temperature of a unit, and be cooled to this unit assigned temperature leaving.
The present invention is provided with the electrically-controlled valve 10 of control liquid nitrogen air input and frequency on liquid nitrogen intake ducting 8, electrically-controlled valve 10 is controlled by central controller 11, air input and the air inlet frequency of nitrogen can be determined according to the temperature of setting and actual temperature, pressure exhaust pipeline 12 is provided with pressure-controlling air outlet valve 13, the discharge of gas can be controlled according to the top pressure of the cryogenic unit 3 of setting, can also manual be vented if desired, one end that each liquid nitrogen intake ducting 8 is placed in cavity 4 is equipped with multiple tuyere, ensure that gas is uniformly distributed, each cryogenic unit 3 length is generally no more than one meter, to ensure being uniformly distributed of gas, if cryogenic unit 3 length is more than one meter, fan can be installed in chilling chamber, impel being uniformly distributed of gas, dark cold material is 20-60 minute by the time of each cryogenic unit 3, the concrete time can regulate because material is different. each cryogenic unit is all subject to the control of central controller by temperature control system, its control process is briefly described as follows: central controller is according to deeply cold needs and feasibility, cryogenic unit is divided into different constant temperature district, and the assigned temperature of each module is kept by center-control, machined material passes through cryogenic unit 3 with certain speed, and after by certain cryogenic unit 3, reach assigned temperature according to design requirements, machined material is after by whole cryogenic unit 3, final cryogenic temperature should be reached, and after by device of rising again, reach room temperature.
The streamline materials handling equipment comprising thermal treatment that constant temperature of the present invention substep sub-zero treatment can have at present with factory realizes seamless link. Owing to this deep freeze refrigeration plant adopts modular organization, make difference more flexible in the design of the deep cold treatment apparatus of wire material, reduce and manufacture and maintenance cost. When necessary, extreme low temperature module can adopting two modular structure, rotation uses. Although adopting multimode and many cryogenic unit composition, but synchronous effect can being reached by central controller. Central controller can also adjust the temperature of each module according to actual needs at any time, immediately carry out sub-zero treatment after heat treatment and rise again, tempering. Avoid handling material, processed offline, it is to increase working efficiency.
Claims (5)
1. an online constant temperature substep cryogenic treatment apparatus, comprise cryogenic unit, one end of described cryogenic unit is connected with quenching device (2), described quenching device (2) is connected with thermal treatment unit (15), the other end of described cryogenic unit is connected with tempering unit (14), described cryogenic unit comprises dark cold group (1) that many groups are connected, it is characterized in that: described cryogenic unit comprises two groups dark cold group (1), dark cold group (1) described in one group is cooling group, another group described dark cold group (1) is intensification group, often organize described dark cold group (1) and include multiple cryogenic unit (3), cryogenic unit described in each (3) is monoblock type or split type, combined by flange on side between adjacent two described cryogenic unit (3) and carry out sealing or by outer screw socket, interior screw socket is combined closely, it is cavity (4) in the middle of cryogenic unit described in each (3), the outer of described cavity (4) is arranged with thermal insulation layer (5), described thermal insulation layer (5) is provided with the groove (6) of two symmetrical placements for material turnover, described cavity (4) is provided with temperature probe (7), cavity described in each (4) is all connected with liquid nitrogen intake ducting (8), multiple described liquid nitrogen intake ducting (8) is all connected with liquid nitrogen container (9), liquid nitrogen intake ducting (8) described in each is equipped with electrically-controlled valve (10), multiple described electrically-controlled valve (10) is all connected with central controller (11), cavity described in each (4) is also connected with pressure exhaust pipeline (12), described pressure exhaust pipeline (12) is equipped with pressure-controlling air outlet valve (13).
2. a kind of online constant temperature substep cryogenic treatment apparatus according to claim 1, it is characterised in that: one end that liquid nitrogen intake ducting (8) described in each is placed in described cavity (4) is equipped with multiple tuyere.
3. a kind of online constant temperature substep cryogenic treatment apparatus according to claim 2, it is characterised in that: the length of each cryogenic unit (3) is less than 1m.
4. a kind of online constant temperature substep cryogenic treatment apparatus according to claim 3, it is characterised in that: the length of each cryogenic unit (3) is greater than 1m, is provided with for making the equally distributed fan of gas in described cryogenic unit (3).
5. a kind of online constant temperature substep cryogenic treatment apparatus according to claim 1, it is characterised in that: the cryogenic unit of the intensification group of described dark cold group (1) is provided with well heater.
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| CN201410182770.2A CN103981344B (en) | 2014-05-04 | 2014-05-04 | A kind of online constant temperature substep cryogenic treatment apparatus |
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| CN201410182770.2A CN103981344B (en) | 2014-05-04 | 2014-05-04 | A kind of online constant temperature substep cryogenic treatment apparatus |
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| CN103981344A CN103981344A (en) | 2014-08-13 |
| CN103981344B true CN103981344B (en) | 2016-06-01 |
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| CN106755857A (en) * | 2017-03-09 | 2017-05-31 | 南通天工深冷新材料强化有限公司 | A kind of deep freeze refrigeration plant transmural with visual window |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201416023Y (en) * | 2009-06-19 | 2010-03-03 | 天津市热处理研究所有限公司 | On-line sub-zero treatment device |
| CN101956056A (en) * | 2010-09-30 | 2011-01-26 | 曹玉贵 | Multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and process thereof |
| CN203866364U (en) * | 2014-05-04 | 2014-10-08 | 南通天工深冷新材料强化有限公司 | On-line constant-temperature substep subzero treatment device |
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- 2014-05-04 CN CN201410182770.2A patent/CN103981344B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201416023Y (en) * | 2009-06-19 | 2010-03-03 | 天津市热处理研究所有限公司 | On-line sub-zero treatment device |
| CN101956056A (en) * | 2010-09-30 | 2011-01-26 | 曹玉贵 | Multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and process thereof |
| CN203866364U (en) * | 2014-05-04 | 2014-10-08 | 南通天工深冷新材料强化有限公司 | On-line constant-temperature substep subzero treatment device |
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Effective date of registration: 20220112 Address after: 226000 floor 2, block C, No. 128, Changtai Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Tianding Information Consulting Co.,Ltd. Address before: 226000 room 206, block C, No. 128, Changtai Road, Gangzha District, Nantong City, Jiangsu Province Patentee before: NANTONG CRYOTHERM TIANGONG CO.,LTD. |