CN203785476U - Anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces - Google Patents
Anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces Download PDFInfo
- Publication number
- CN203785476U CN203785476U CN201420196425.XU CN201420196425U CN203785476U CN 203785476 U CN203785476 U CN 203785476U CN 201420196425 U CN201420196425 U CN 201420196425U CN 203785476 U CN203785476 U CN 203785476U
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- pump
- tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to an anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces. The anti-freezing device is characterized in that a softened water tank water outlet valve switch (1), a main water pump water outlet valve switch (2), a filter valve switch (3), a main water inlet pipe water drainage ball valve switch (4), a compressed air interface ball valve switch (5), a furnace body coil water inlet valve switch (7), a water-cooled electrical cabinet water inlet valve switch (8), a main return water pipe water drainage ball valve switch (9), a return water pump water drainage ball valve switch (10) and an accident water tower valve switch (11) are arranged among a softened water tank (15), a main water pump (16), a filter (17), a screw compressor (18), a furnace body coil (19), a water-cooled electrical cabinet (20), a return water pump (21), a return water tank (22) and an accident water tower (23) respectively to form the cooling circulating water system device. By the aid of the device, circulating water can be prevented from being stored in a circulating loop, and water circulating equipment components can be prevented from freezing and bursting.
Description
Technical field
The utility model relates to a kind of vacuum drying oven, intermediate frequency furnace cooling circulating water system defroster, belongs to technical field of metallurgical equipment.
Background technology
At present, the small-sized smelting equipments such as domestic middle vacuum drying oven, intermediate frequency furnace, because smelt around the clock unlike large-scale smelting equipment, they arrange production and smelt according to the needs of production or experimental duties.So in the time that northern area enters winter, vacuum drying oven, intermediate frequency furnace are under the situation stopping production, recirculated water freezes and freezes, and the part of appliance of bursting by freezing water circulation, causes device damage or scrap accident.For above technical deficiency, develop in the industry a kind of defroster, Chinese patent CN201837263 discloses a kind of cooling system of intermediate frequency furnace defroster, by fuse, switch, the control circuit part of the feed pump of relay and indicator lamp composition, base is characterised in that: at a control circuit part low temperature automatic starting/stopping circulating controling circuit in parallel of described feed pump, low temperature automatic starting/stopping circulating controling circuit is by SA2 rotary switch series connection KT11 normally closed switch and the KT10 time relay, the series circuit of KT11 normally closed switch and the KT10 time relay is in parallel with the series circuit of KT12 normal open switch and the KT20 time relay.In sum, existing for a kind of cooling system of intermediate frequency furnace defroster, waste electric power resource, feed pump frequent starting, the feed pump life-span reduces, and when unmanned, electric equipment breaks down, recirculated water stops circulation, and whole pipe network will freeze, and consequence is unimaginable.
Summary of the invention
For above technical deficiency, the utility model provides a kind of vacuum drying oven, intermediate frequency furnace cooling circulating water system defroster.The technical solution of the utility model is: a kind of vacuum drying oven, intermediate frequency furnace cooling circulating water system defroster, include cooling tower, softening water tank, feed pump, filter, screw compressor, body of heater coil, water-cooled Electric Appliance Cabinet, back water pump, recovery tank and accident water tower, it is characterized in that: softening water tank flowing water Valve switch is set between softening water tank and feed pump, feed pump flowing water Valve switch is set between feed pump and filter, after filter, take over one end of filter valve switch, one end of the other end of filter taps door switch and main water inlet tube water drain ball valve switch, compressed air interface ball valve switch, body of heater coil inlet valve switch, water-cooled regulator cubicle inlet valve switch and accident water tower valve switch joins, the other end of compressed air interface ball valve switch joins by one end of compressed-air hose and compressed-air hose joint and compressed air hose ball valve switch, another termination screw compressor of compressed air hose ball valve switch, another termination body of heater coil of body of heater coil inlet valve switch, the cold Electric Appliance Cabinet of other end water receiving of water-cooled regulator cubicle inlet valve switch, the other end of accident water tower valve switch connects accident water tower, the efferent duct of body of heater coil and water-cooled regulator cubicle and together with time connect one end and the recovery tank of main water return tube water drain ball valve switch, the other end of recovery tank takes back water pump, another termination cooling tower of back water pump and one end of back water pump water drain ball valve switch.The utility model can prevent that recirculated water from remaining in closed circuit, ensures in the time that northern area enters winter, and vacuum drying oven, intermediate frequency furnace, under the situation stopping production, can not freeze, the part of appliance of bursting by freezing water circulation, have avoided causing the damage of equipment or have scrapped accident.
The present invention does not need frequent starting feed pump, saves electric power resource, reduces costs; Attended operation is simple, disposable repacking, constant feast; Winter, used time pipeline did not purge totally, the used time, can come into operation immediately, and security reliability is strong, without staff on duty; Whole vacuum drying oven, intermediate frequency furnace cooling circulating water system pipe network are also had to certain cleaning blowdown effect.
Brief description of the drawings:
Fig. 1 is vacuum drying oven of the present invention, intermediate frequency furnace cooling circulating water system figure;
Fig. 2 is compressed-air hose joint design schematic diagram of the present invention.
In figure, 1-softening water tank flowing water Valve switch, 2-feed pump flowing water Valve switch, 3-filter taps door switch, 4-main water inlet tube water drain ball valve switch, 5-compressed air interface ball valve switch, 6-compressed air hose ball valve switch, 7-body of heater coil inlet valve switch, 8-water-cooled regulator cubicle inlet valve switch, 9-main water return tube water drain ball valve switch, 10-back water pump water drain ball valve switch, 11-accident water tower valve switch, 12-compressed-air hose, 13-compressed-air hose joint, 14-cooling tower, 15-softening water tank, 16-feed pump, 17-filter, 18-screw compressor, 19-body of heater coil, 20-water-cooled Electric Appliance Cabinet, 21-back water pump, 22-recovery tank, 23-accident water tower.
Detailed description of the invention:
Below in conjunction with embodiment and Figure of description, the present invention is described in detail, but is not limited to this.
A kind of vacuum drying oven, intermediate frequency furnace cooling circulating water system defroster, include cooling tower 14, softening water tank 15, feed pump 16, filter 17, screw compressor 18, body of heater coil 19, water-cooled Electric Appliance Cabinet 20, back water pump 21, recovery tank 22 and accident water tower 23, it is characterized in that: softening water tank flowing water Valve switch 1 is set between softening water tank 15 and feed pump 16, feed pump flowing water Valve switch 2 is set between feed pump 16 and filter 17, filter 17 is taken over one end of filter valve switch 3 below, and one end of the other end of filter taps door switch 3 and main water inlet tube water drain ball valve switch 4, compressed air interface ball valve switch 5, body of heater coil inlet valve switch 7, water-cooled regulator cubicle inlet valve switch 8 and accident water tower valve switch 11 joins, the other end of compressed air interface ball valve switch 5 joins with one end of compressed air hose ball valve switch 6 by compressed-air hose 12 and compressed-air hose joint 13, another termination screw compressor 18 of compressed air hose ball valve switch 6, another termination body of heater coil 19 of body of heater coil inlet valve switch 7, the cold Electric Appliance Cabinet 20 of other end water receiving of water-cooled regulator cubicle inlet valve switch 8, 11 other ends of accident water tower valve switch connect accident water tower 23, body of heater coil 19 and the efferent duct of water-cooled regulator cubicle 20 and together with time connect one end and the recovery tank 22 of main water return tube water drain ball valve switch 9, the other end of recovery tank 22 takes back water pump 21, another termination cooling tower 14 of back water pump 21 and one end of back water pump water drain ball valve switch 10.
The course of work of the present utility model is as follows:
One, close body of heater coil water intaking valve switch 7 and water-cooled regulator cubicle water intaking valve switch 8, open screw compressor 18 power supplys, when observing Pressure gauge in pipeline and reaching pressure and be 0.7MPa, pressure abundance, opens compressed air interface ball valve switch 5 and compressed air hose ball valve switch 6.Compressed air enters main water inlet tube road fast, first main water inlet tube road is purged, and opens main water inlet tube water drain ball valve switch 4, and remaining recirculated water blows out emptying.Open main water return tube water drain ball valve switch 9, close main water inlet tube water drain ball valve switch 4, wait for that compressed air pressure goes back up to 0.7MPa, open body of heater coil water intake ball valve switch 7, purge emptying to branch line body of heater coil.Close body of heater coil water intaking valve switch 7, open water-cooled regulator cubicle water intaking valve switch 8, purge emptying to branch line water-cooled regulator cubicle; By above order, repeatedly operate 2-3 time, until do not have aqueous vapor to discharge;
Two, open feed pump flowing water Valve switch 2, back water pump water drain ball valve switch 10 and filter taps door switch 3, put and do its inner remaining recirculated water.
Three, open main water inlet tube water drain ball valve switch 4, main water return tube water drain ball valve switch 9, back water pump water drain ball valve switch 10, keep normally open.
The utility model can prevent that recirculated water from remaining in closed circuit, ensures in the time that northern area enters winter, and vacuum drying oven, intermediate frequency furnace, under the situation stopping production, can not freeze, the part of appliance of bursting by freezing water circulation, have avoided causing the damage of equipment or have scrapped accident.
Claims (1)
1. vacuum drying oven, an intermediate frequency furnace cooling circulating water system defroster, includes cooling tower (14), softening water tank (15), feed pump (16), filter (17), screw compressor (18), body of heater coil (19), water-cooled Electric Appliance Cabinet (20), back water pump (21), recovery tank (22) and accident water tower (23), it is characterized in that: between softening water tank (15) and feed pump (16), softening water tank flowing water Valve switch (1) is set, between feed pump (16) and filter (17), feed pump flowing water Valve switch (2) is set, filter (17) is taken over one end of filter valve switch (3) below, the other end of filter taps door switch (3) and main water inlet tube water drain ball valve switch (4), compressed air interface ball valve switch (5), body of heater coil inlet valve switch (7), one end of water-cooled regulator cubicle inlet valve switch (8) and accident water tower valve switch (11) joins, the other end of compressed air interface ball valve switch (5) joins with one end of compressed air hose ball valve switch (6) by compressed-air hose (12) and compressed-air hose joint (13), another termination screw compressor (18) of compressed air hose ball valve switch (6), another termination body of heater coil (19) of body of heater coil inlet valve switch (7), the cold Electric Appliance Cabinet of other end water receiving (20) of water-cooled regulator cubicle inlet valve switch (8), (11) other end of accident water tower valve switch connects accident water tower (23), the efferent duct of body of heater coil (19) and water-cooled regulator cubicle (20) and together with time connect one end and the recovery tank (22) of main water return tube water drain ball valve switch (9), the other end of recovery tank (22) takes back water pump (21), another termination cooling tower (14) of back water pump (21) and one end of back water pump water drain ball valve switch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196425.XU CN203785476U (en) | 2014-04-22 | 2014-04-22 | Anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196425.XU CN203785476U (en) | 2014-04-22 | 2014-04-22 | Anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785476U true CN203785476U (en) | 2014-08-20 |
Family
ID=51321654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196425.XU Expired - Fee Related CN203785476U (en) | 2014-04-22 | 2014-04-22 | Anti-freezing device for cooling circulating water systems for vacuum furnaces and intermediate frequency furnaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785476U (en) |
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2014
- 2014-04-22 CN CN201420196425.XU patent/CN203785476U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180422 |