CN203021622U - Quenching and tempering quick cooling equipment of bimetal strip saw blade heat treatment production line - Google Patents
Quenching and tempering quick cooling equipment of bimetal strip saw blade heat treatment production line Download PDFInfo
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- CN203021622U CN203021622U CN2013200468421U CN201320046842U CN203021622U CN 203021622 U CN203021622 U CN 203021622U CN 2013200468421 U CN2013200468421 U CN 2013200468421U CN 201320046842 U CN201320046842 U CN 201320046842U CN 203021622 U CN203021622 U CN 203021622U
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Abstract
The utility model discloses quenching and tempering quick cooling equipment of a bimetal strip saw blade heat treatment production line, belonging to the field of bimetal strip saw blade production and processing. The problems that the existing quenching and tempering cooling equipment is large in nitrogen energy waste and hot waste gas discharge and protective nitrogen is not recovered to cause waste are solved. The outlet of a nitrogen making machine is communicated with a nitrogen purifying device through a connection pipeline; a pure nitrogen outlet is formed in the nitrogen purifying device; a nitrogen cooling heat exchanger is arranged in a nitrogen cooling thermal insulation layer; a nitrogen cooling device is communicated with the inlet of the nitrogen cooling device through a pipeline pump; and the outlet of the nitrogen cooling device is connected with a condensation dryer of a nitrogen supply device. Nitrogen is a cooling medium which is cooled and recycled. By adopting a nitrogen recycling device of a heat treatment production line, the nitrogen originally discharged to atmosphere is recycled, the nitrogen making equipment and the nitrogen purifying device as well as the energy consumption are saved, the electric energy is saved, and the heat treatment quality of a saw blade is guaranteed.
Description
Technical field
The utility model relates to a kind of band saw for metal heat-treatment production line Q-tempering Quick cooling equipment.Belong to bi-metal bandsaw blades process for processing field.
Background technology
Bi-metal bandsaw blades (hereinafter to be referred as saw blade) heat-treatment production line is comprised of quenching apparatus and tempering equipment respectively.Wherein, quenching apparatus is comprised of quenching heating furnace and quenching refrigerating device, and tempering equipment is comprised of tempering process furnace and tempering cooling apparatus.The utility model only relates to the cooling apparatus in quenching and tempering.
Quenching refrigerating device and the quenching technology of present bi-metal bandsaw blades have dual mode, and a kind of is oil cooling aggregate and technique take Japan as main flow, and another kind is deep freeze refrigeration plant and the technique take Germany as main flow.The advantage of oil cooling aggregate and technique is that speed of cooling is fast, and equipment is stable, and simple to operate, production cost is low, less investment.Shortcoming is that the production scene is dirty, cleans difficulty, soot pollution environment.The advantage of deep freeze refrigeration plant and technique is pollution-free, and is on-the-spot clean.Shortcoming is that speed of cooling is slow, and equipment is unstable, and attended operation is complicated, and investment and production cost are high.In addition, because bright quenching and the tempering of bi-metal bandsaw blades will be completed on automatic production line continuously, so a large amount of nitrogen energy dissipations of ubiquity and hot waste gas emission problem.For the problems referred to above, the utility model adopts the large nitrogen amount Rapid Circulation of high pressure method for rapid cooling, efficiently solves the technical problem of present existence.
The utility model content
The utility model provides a cover bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment, efficiently solve in existing bi-metal bandsaw blades heat-treatment production line the production scene of quenching, existing in tempering cooling apparatus and technique dirty, clean difficulty, soot pollution environment and speed of cooling is slow, equipment is unstable, attended operation is complicated and the problems such as a large amount of nitrogen energy dissipation and hot waste gas discharging." fast " in " bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment " refers to, the utility model can be realized still satisfying cooling requirement when the linear velocity of bi-metal bandsaw blades reaches 6 m/mins.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
A kind of bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment, described cooling apparatus comprise for nitrogen device, nitrogen gas recovering apparatus and nitrogen cooling device; The described nitrogen device that supplies comprises condensate dryer, nitrogen inlet pipe, air inlet adjustment valve, Nitrogen plant, nitrogen purifier, pure nitrogen outlet; Condensate dryer is communicated with the Nitrogen plant entrance by the condensate dryer pipeline, and the outlet of Nitrogen plant is communicated with nitrogen purifier by connecting pipeline, has pure nitrogen outlet on nitrogen purifier; The condensate dryer pipeline is communicated with the nitrogen inlet pipe, and the nitrogen inlet pipe is provided with the air inlet adjustment valve; Nitrogen gas recovering apparatus comprises nitrogen recycling heat exchanger, vacuum pump, in-line pump, nitrogen recycling thermal insulation layer and nitrogen recycling pipeline, the nitrogen recycling heat exchanger is placed in the nitrogen recycling thermal insulation layer, vacuum pump is used for the inner chamber of nitrogen recycling thermal insulation layer is evacuated, vacuum pump suction hole on vacuum pump is communicated with the inner chamber of nitrogen recycling thermal insulation layer, has the vacuum pump venting hole on vacuum pump, the inner chamber of nitrogen recycling thermal insulation layer and nitrogen recycling pipeline connection have the first entrance of cooling water and the first cooling water outlet on the nitrogen recycling heat exchanger; Nitrogen cooling device comprises nitrogen cooling heat exchanger and the cooling thermal insulation layer of nitrogen, and the nitrogen cooling heat exchanger is placed in the cooling thermal insulation layer of nitrogen, has the second entrance of cooling water and the second cooling water outlet on the nitrogen cooling heat exchanger; Nitrogen cooling device is communicated with the entrance of nitrogen cooling device by in-line pump, and the outlet of nitrogen cooling device is connected with the condensate dryer that supplies the nitrogen device.
The beneficial effects of the utility model are:
The logical water coolant of the utility model is cool nitrogen fast, and nitrogen is cooling fast to saw blade by the recycle system, has realized hardened and tempered quick cooling purpose.Efficiently solve that hardened and tempered speed of cooling is slow, environmental pollution, operation of equipment Maintenance Difficulty and the large high in cost of production problem of unstable properties, nitrogen energy dissipation and facility investment, realize the regeneration of the less energy-consumption of saw blade heat-treatment production line and nitrogen resource, also reduced simultaneously production cost.The utility model integrates quickly cooling device and online nitrogen recycling use device, forms the hardened and tempered accelerate cooling system of complete saw blade.Adopt heat-treatment production line nitrogen recycling use device, with the nitrogen recycling recycling that originally was discharged in atmosphere, a large amount of equipments of making nitrogen and nitrogen purifier and energy consumption thereof are saved again in the environmental pollution that had both solved present cooking fume, save a large amount of electric energy.Simultaneously, effectively guaranteed saw blade thermal treatment surface not oxidation of light, guaranteed the thermal treatment quality of saw blade, fundamentally solved above-mentioned technical barrier, made prior art that breakthrough development arranged.
The utility model is also applicable to following field: thermal treatment and other bright quenching thermal treatment of single and many bi-metal bandsaw blades thermal treatment, the thermal treatment of monometallic bands for band, hard alloy band saw blade thermal treatment, the thermal treatment of bimetal composite steel band, the thermal treatment of various wire rods, various bands.
Description of drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model (vertical view); Fig. 2 is the partial enlarged drawing in Fig. 1.
In figure: the import of 28-chamber type annealing stove, the outlet of 30-chamber type annealing stove, the outlet of 33-quenching device.
Embodiment
embodiment one: as shown in Fig. 1～2, the described a kind of bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment of present embodiment comprises for nitrogen device 35, nitrogen gas recovering apparatus 8 and nitrogen cooling device 14, the described nitrogen device 35 that supplies comprises condensate dryer 19, nitrogen inlet pipe 20, air inlet adjustment valve 21, Nitrogen plant 23, nitrogen purifier 25, pure nitrogen outlet 26, condensate dryer 19 is communicated with Nitrogen plant 23 entrances by condensate dryer pipeline 22, and the outlet of Nitrogen plant 23 is communicated with nitrogen purifier 25 by connecting pipeline 24, has pure nitrogen outlet 26 on nitrogen purifier 25, condensate dryer pipeline 22 is communicated with nitrogen inlet pipe 20, and nitrogen inlet pipe 20 is provided with air inlet adjustment valve 21, nitrogen gas recovering apparatus 8 comprises nitrogen recycling heat exchanger 9, vacuum pump 10, in-line pump 13, nitrogen recycling thermal insulation layer 6 and nitrogen recycling pipeline 7, nitrogen recycling heat exchanger 9 is placed in nitrogen recycling thermal insulation layer 6, vacuum pump 10 is used for the inner chamber of nitrogen recycling thermal insulation layer 6 is evacuated, vacuum pump suction hole 12 on vacuum pump 10 is communicated with the inner chamber of nitrogen recycling thermal insulation layer 6, has vacuum pump venting hole 11 on vacuum pump 10, the inner chamber of nitrogen recycling thermal insulation layer 6 is communicated with nitrogen recycling pipeline 7, have the first entrance of cooling water 4 and the first cooling water outlet 5 on nitrogen recycling heat exchanger 9, nitrogen cooling device 14 comprises nitrogen cooling heat exchanger 18 and the cooling thermal insulation layer 16 of nitrogen, and nitrogen cooling heat exchanger 18 is placed in the cooling thermal insulation layer 16 of nitrogen, has the second entrance of cooling water 15 and the second cooling water outlet 17 on nitrogen cooling heat exchanger 18, nitrogen cooling device 14 is communicated with the entrance of nitrogen cooling device 14 by in-line pump 13, and the outlet of nitrogen cooling device 14 is connected with the condensate dryer 19 that supplies nitrogen device 35.
Embodiment two: as shown in Fig. 1～2, the described condensate dryer pipeline 22 of present embodiment is communicated with by the first threeway 34 with nitrogen inlet pipe 20.Other composition and annexation are identical with embodiment one.
Embodiment three: as shown in Fig. 1～2, the described pure nitrogen outlet 26 of present embodiment is communicated with respectively with the front end nitrogen inlet 39-1 of box quenching heating furnace 31, the rear end nitrogen inlet 39-2 of box quenching heating furnace 31, the nitrogen inlet of quenching device 32, the chamber type annealing stove nitrogen inlet 39-3 of chamber type annealing stove 29 by nitrogen admission passage 3; Box quenching heating furnace nitrogen recycling mouth 40-1, quenching device nitrogen recycling mouth 40-3 and chamber type annealing stove nitrogen recycling mouth 40-3 are communicated with nitrogen gas recovering apparatus 8 by nitrogen recycling pipeline 7.Other composition and annexation are identical with embodiment one or two.
As shown in Figure 1, described pure nitrogen outlet 26 is communicated with respectively with the front end nitrogen inlet 39-1 of box quenching heating furnace 31, the rear end nitrogen inlet 39-2 of box quenching heating furnace 31, the nitrogen inlet of quenching device 32, the chamber type annealing stove nitrogen inlet 39-3 of chamber type annealing stove 29 by nitrogen admission passage 3, connect for convenient, can be provided with a plurality of bye-passes on nitrogen admission passage 3, and be connected together by the second threeway 27, the 3rd threeway 41, the 4th threeway 36 as required.Box quenching heating furnace nitrogen recycling mouth 40-1, quenching device nitrogen recycling mouth 40-3 and chamber type annealing stove nitrogen recycling mouth 40-3 are communicated with nitrogen gas recovering apparatus 8 by nitrogen recycling pipeline 7, connect for convenient, can establish a plurality of branches recycling pipeline on nitrogen recycling pipeline 7, and be connected together by the 5th threeway 37, the 6th threeway 38 as required.
Described cooling apparatus also can arrange electric control box 1.
Embodiment four: as shown in Fig. 1～2, present embodiment is: described Nitrogen plant 23 is replaced with the liquid nitrogen storage tank.Other composition and annexation are identical with embodiment one.
Embodiment five: as shown in Fig. 1～2, present embodiment is to utilize embodiment one, two, three or four described high speed bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipments to carry out cooling technique to bi-metal bandsaw blades, it is characterized in that: described process using low temperature nitrogen is heat-eliminating medium, and the temperature of low temperature nitrogen is-15 ℃～30 ℃; Pass into respectively low temperature nitrogen by the nitrogen inlet of box quenching heating furnace 31, the nitrogen inlet of quenching device 32 and the nitrogen inlet of chamber type annealing stove 29, carry out cooling to bi-metal bandsaw blades 39, flow out nitrogen from the nitrogen recycling mouth of the nitrogen recycling mouth of the nitrogen recycling mouth of box quenching heating furnace 31, quenching device 32 and chamber type annealing stove 29 and carry out online recycling, and recycle after cooling.
The utility model is not limited to above-mentioned embodiment, and equivalents or equivalent technical scheme of replacing that every art technology obtains according to technology enlightenment of the present utility model are within all dropping on the utility model rights protection scope.
Principle of work
As shown in Figure 1, adopt nitrogen through the cold one-tenth low temperature nitrogen of water cooling system, through the cycle of higher pressure air pump, nitrogen sent into the fast wind ice chest, saw blade is carried out cooling fast, to satisfy the quenching technology requirement.The hot nitrogen of displacement is withdrawn into nitrogen storage tank through high-pressure circulation pump again and carries out cooling, be delivered to again the fast wind ice chest through cooling nitrogen by high-pressure pump, nitrogen so seals reciprocation cycle, both saved nitrogen, realization is cooling fast again, has both guaranteed the high quality quenching technology, realize again the CR production operation, both saved and produce, this reduces again facility investment, and its economic benefit and social benefit are very remarkable.
Claims (4)
1. bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment is characterized in that: described cooling apparatus comprises for nitrogen device (35), nitrogen gas recovering apparatus (8) and nitrogen cooling device (14);
The described nitrogen device (35) that supplies comprises condensate dryer (19), nitrogen inlet pipe (20), air inlet adjustment valve (21), Nitrogen plant (23), nitrogen purifier (25), pure nitrogen outlet (26); Condensate dryer (19) is communicated with Nitrogen plant (23) entrance by condensate dryer pipeline (22), the outlet of Nitrogen plant (23) is communicated with nitrogen purifier (25) by connecting pipeline (24), has pure nitrogen outlet (26) on nitrogen purifier (25); Condensate dryer pipeline (22) is communicated with nitrogen inlet pipe (20), and nitrogen inlet pipe (20) is provided with air inlet adjustment valve (21);
nitrogen gas recovering apparatus (8) comprises nitrogen recycling heat exchanger (9), vacuum pump (10), in-line pump (13), nitrogen recycling thermal insulation layer (6) and nitrogen recycling pipeline (7), nitrogen recycling heat exchanger (9) is placed in nitrogen recycling thermal insulation layer (6), vacuum pump (10) is used for the inner chamber of nitrogen recycling thermal insulation layer (6) is evacuated, vacuum pump suction hole (12) on vacuum pump (10) is communicated with the inner chamber of nitrogen recycling thermal insulation layer (6), has vacuum pump venting hole (11) on vacuum pump (10), the inner chamber of nitrogen recycling thermal insulation layer (6) is communicated with nitrogen recycling pipeline (7), have the first entrance of cooling water (4) and the first cooling water outlet (5) on nitrogen recycling heat exchanger (9),
Nitrogen cooling device (14) comprises nitrogen cooling heat exchanger (18) and the cooling thermal insulation layer of nitrogen (16), nitrogen cooling heat exchanger (18) is placed in the cooling thermal insulation layer of nitrogen (16), has the second entrance of cooling water (15) and the second cooling water outlet (17) on nitrogen cooling heat exchanger (18);
Nitrogen cooling device (14) is communicated with the entrance of nitrogen cooling device (14) by in-line pump (13), and the outlet of nitrogen cooling device (14) is connected with the condensate dryer (19) that supplies nitrogen device (35).
2. a kind of bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment according to claim 1, it is characterized in that: described condensate dryer pipeline (22) is communicated with by the first threeway (34) with nitrogen inlet pipe (20).
3. a kind of bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment according to claim 1 and 2 is characterized in that: described pure nitrogen outlet (26) is communicated with respectively with the rear end nitrogen inlet (39-2) of the front end nitrogen inlet (39-1) of box quenching heating furnace (31), box quenching heating furnace (31), the nitrogen inlet of quenching device (32), the chamber type annealing stove nitrogen inlet (39-3) of chamber type annealing stove (29) by nitrogen admission passage (3); Box quenching heating furnace nitrogen recycling mouth (40-1), quenching device nitrogen recycling mouth (40-3) and chamber type annealing stove nitrogen recycling mouth (40-3) are communicated with nitrogen gas recovering apparatus (8) by nitrogen recycling pipeline (7).
4. a kind of bi-metal bandsaw blades heat-treatment production line Q-tempering Quick cooling equipment according to claim 1, is characterized in that: described Nitrogen plant (23) is replaced with the liquid nitrogen storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200468421U CN203021622U (en) | 2013-01-28 | 2013-01-28 | Quenching and tempering quick cooling equipment of bimetal strip saw blade heat treatment production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200468421U CN203021622U (en) | 2013-01-28 | 2013-01-28 | Quenching and tempering quick cooling equipment of bimetal strip saw blade heat treatment production line |
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| CN203021622U true CN203021622U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200468421U Expired - Lifetime CN203021622U (en) | 2013-01-28 | 2013-01-28 | Quenching and tempering quick cooling equipment of bimetal strip saw blade heat treatment production line |
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| CN (1) | CN203021622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045838A (en) * | 2013-01-28 | 2013-04-17 | 曹玉贵 | Quenching-tempering rapid cooling equipment and technology of heat treatment production line of bimetal strip sawblade |
| CN110079657A (en) * | 2019-05-17 | 2019-08-02 | 张家港艺新金属材料有限公司 | A kind of gas mixing feedway in saw blade tempering furnace |
-
2013
- 2013-01-28 CN CN2013200468421U patent/CN203021622U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045838A (en) * | 2013-01-28 | 2013-04-17 | 曹玉贵 | Quenching-tempering rapid cooling equipment and technology of heat treatment production line of bimetal strip sawblade |
| CN103045838B (en) * | 2013-01-28 | 2014-02-12 | 曹玉贵 | Quenching-tempering rapid cooling equipment and technology of heat treatment production line of bimetal strip sawblade |
| CN110079657A (en) * | 2019-05-17 | 2019-08-02 | 张家港艺新金属材料有限公司 | A kind of gas mixing feedway in saw blade tempering furnace |
| CN110079657B (en) * | 2019-05-17 | 2024-01-26 | 东台艺新金属材料有限公司 | Gas mixing and feeding device in saw blade tempering furnace |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20140212 |
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| RGAV | Abandon patent right to avoid regrant |