CN202030792U - Water processing device for medium plate quenching line - Google Patents
Water processing device for medium plate quenching line Download PDFInfo
- Publication number
- CN202030792U CN202030792U CN2011200711096U CN201120071109U CN202030792U CN 202030792 U CN202030792 U CN 202030792U CN 2011200711096 U CN2011200711096 U CN 2011200711096U CN 201120071109 U CN201120071109 U CN 201120071109U CN 202030792 U CN202030792 U CN 202030792U
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- water
- line
- water supply
- treatment device
- supply pump
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Abstract
The utility model relates to a water processing device which is a water processing device for a medium plate quenching line, wherein a steel plate cooling water returning pipe of the water processing device for the medium plate quenching line is sequentially connected with a hot-water level-flow pool, a high-speed filter, a cooling tower and a cooling well and then is connected with a pipeline filter through a frequency conversion water supply pump group, and the pipeline filter is connected with a water inlet pipe of the water processing device for the medium plate quenching line; and the frequency conversion water supply pump group is provided with a high-voltage frequency conversion water supply pump group and a low-voltage frequency conversion water supply pump group. In the utility model, a full frequency conversion water supply mode is adopted to adjust the water supply pressure of the system, so that the cooling flow can be accurately adjusted, the cooling effect is good, the construction investment is saved by 30%, and the construction period is reduced by 20%; in addition, the electric power is saved by about 30% due to the adoption of the innovative full frequency conversion mode.
Description
Technical field
The utility model relates to a kind of water treatment device, a kind of specifically plate of moderate thickness quenching line water treatment device.
Background technology
The subject matter that domestic at present existing plate of moderate thickness quenching line water supply cooling system exists: when steel plate is carried out quench cooled, the cooling water inflow that requires changes greatly, all be to adopt the mode of building high-order water tower or energy storage to satisfy the demand that water supply flow changes suddenly in the existing at home quenching line waterworks, adopt this mode, floor space is big, construction investment expense height, and can not accurately control flow, the effect of steel rolling quench water process for cooling influenced.
The utility model content
Technical problem to be solved in the utility model is, the shortcoming at above prior art exists proposes a kind of plate of moderate thickness quenching line water treatment device, can accurately control the cooling flow, and good cooling results, good energy-conserving effect, cost is low.
The technical scheme that the utility model solves above technical problem is:
Plate of moderate thickness quenching line water treatment device, after the cooling metal sheets backflow water pipe of quenching line water treatment device connects hot water horizontal flow basin, high rate filter, cooling tower and cold water well successively, by variable frequency water supply pump group connecting tube strainer, line strainer connects the water inlet pipe of quenching line water treatment device.
The technical scheme that the utility model further limits is:
Aforesaid plate of moderate thickness quenching line water treatment device, variable frequency water supply pump group is provided with one group of high-pressure frequency-conversion working shaft group and one group of low-voltage variable frequency working shaft group, the rising pipe of cold water well is divided into two-way, one the tunnel connects a line strainer after connecing described high-pressure frequency-conversion working shaft group, another road connects a line strainer after connecing described low-voltage variable frequency working shaft group, and two line strainers connect the water inlet pipe of quenching line water treatment device jointly.In the intermittent time of quenching (being the pitch time before last block plate quenching technology finishes to carry out quenching technology to back one block plate) scope, the water yield is added to original water level, do not produce overflow as far as possible or lack not termination of pumping of overflow.
Aforesaid plate of moderate thickness quenching line water treatment device, high and low pressure variable frequency water supply pump group respectively is provided with two frequency conversion speed adjusting pumps.1 pump is often opened, and in time adjusts motor running frequency, stable water supply pressure according to the changing conditions of pressure of supply water.
Aforesaid plate of moderate thickness quenching line water treatment device, high and low pressure variable frequency water supply pump group adopt the high and low pressure water supply line to supply water respectively, and pressure release valve all is set on the pipeline.Can be according to producing the needs opening and closing.On two-way supplies water the person in charge, be 2 high-pressure frequency-conversion pumps, be convenient to regulate flow.
The beneficial effects of the utility model are: the utility model is creationary to have proposed to adopt the mode of full variable frequency water supply to come the pressure of supply water of regulation system, can accurately control good cooling results to the cooling flow.After the utility model is implemented, in the steel rolling process process fast quenching spend at top speed be 7 blocks of plates/hour about, every block plate cooling time that discharges water is 180s, satisfying maximum water supply flow is 8000m3/h.It is about 30% that the utility model adopts the technology of high-order water tower and high-order energy storage to save construction investment more usually, and it is about 20% to save the duration, and in addition, owing to adopted the full frequency conversion mode of innovation, reducing power consumption is about 30%.
Description of drawings
Fig. 1 is a connection diagram of the present utility model.
Embodiment
Embodiment 1
A kind of plate of moderate thickness quenching line water treatment device that present embodiment provides, connect as shown in Figure 1, after the cooling metal sheets backflow water pipe of quenching line water treatment device connects hot water horizontal flow basin, high rate filter, cooling tower and cold water well successively, by variable frequency water supply pump group connecting tube strainer, line strainer connects the water inlet pipe of quenching line water treatment device.
The cold water well is established four of Steel Concrete cooling towers, and the separate unit design load is: cooling water inflow is Q=938m
3/ h, 48 ℃ of inlet temperature of stabilizer go out 36 ℃ of tower water temps.
Variable frequency water supply pump group is provided with one group of high-pressure frequency-conversion working shaft group and one group of low-voltage variable frequency working shaft group, the rising pipe of cold water well is divided into two-way, one the tunnel connects a line strainer after connecing described high-pressure frequency-conversion working shaft group, another road connects a line strainer after connecing described low-voltage variable frequency working shaft group, and two line strainers connect the water inlet pipe of quenching line water treatment device jointly.In the intermittent time of quenching (being the pitch time before last block plate quenching technology finishes to carry out quenching technology to back one block plate) scope, the water yield is added to original water level, do not produce overflow as far as possible or lack not termination of pumping of overflow.Water pump system running operating point behind the frequency converter timing of low pressure contributing region specifically operates to: normal operation process is that 1 pump is often opened, and in time adjusts motor running frequency, stable water supply pressure according to the changing conditions of pressure of supply water.Water pump system running operating point behind the high service district frequency converter timing specifically operates to: normal operation process is that 1 pump is often opened, and in time adjusts motor running frequency, stable water supply pressure according to the changing conditions of pressure of supply water.Two working shaft groups of high and low pressure high-pressure water supply pump group and low pressure working shaft group adopt two DN800 water supply lines of high and low pressure to supply water respectively, and pressure release valve all is set on the pipeline, can be according to producing the needs opening and closing.On two-way supplies water the person in charge, be 2 high-pressure frequency-conversion pumps, be convenient to regulate flow.
After the utility model is implemented, in the steel rolling process process fast quenching spend at top speed be 7 blocks of plates/hour about, every block plate cooling time that discharges water is 180s, satisfying maximum water supply flow is 8000m3/h.It is about 30% that the utility model adopts the technology of high-order water tower and high-order energy storage to save construction investment more usually, and it is about 20% to save the duration, and in addition, owing to adopted the full frequency conversion mode of innovation, reducing power consumption is about 30%.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. plate of moderate thickness quenching line water treatment device, it is characterized in that: after the cooling metal sheets backflow water pipe of quenching line water treatment device connects hot water horizontal flow basin, high rate filter, cooling tower and cold water well successively, by variable frequency water supply pump group connecting tube strainer, described line strainer connects the water inlet pipe of quenching line water treatment device.
2. plate of moderate thickness quenching line water treatment device as claimed in claim 1, it is characterized in that: described variable frequency water supply pump group is provided with one group of high-pressure frequency-conversion working shaft group and one group of low-voltage variable frequency working shaft group, the rising pipe of described cold water well is divided into two-way, one the tunnel connects a line strainer after connecing described high-pressure frequency-conversion working shaft group, another road connects a line strainer after connecing described low-voltage variable frequency working shaft group, and described two line strainers connect the water inlet pipe of quenching line water treatment device jointly.
3. plate of moderate thickness quenching line water treatment device as claimed in claim 2 is characterized in that: described high and low pressure variable frequency water supply pump group respectively is provided with two frequency conversion speed adjusting pumps.
4. as claim 2 or 3 described plate of moderate thickness quenching line water treatment device, it is characterized in that: described high and low pressure variable frequency water supply pump group adopts the high and low pressure water supply line to supply water respectively, and pressure release valve all is set on the pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200711096U CN202030792U (en) | 2011-03-17 | 2011-03-17 | Water processing device for medium plate quenching line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200711096U CN202030792U (en) | 2011-03-17 | 2011-03-17 | Water processing device for medium plate quenching line |
Publications (1)
Publication Number | Publication Date |
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CN202030792U true CN202030792U (en) | 2011-11-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011200711096U Expired - Lifetime CN202030792U (en) | 2011-03-17 | 2011-03-17 | Water processing device for medium plate quenching line |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102397893A (en) * | 2011-11-30 | 2012-04-04 | 东北大学 | Water supply device of after-rolling cooling system |
CN103820618A (en) * | 2014-02-19 | 2014-05-28 | 安徽省宁国市华达耐磨材料有限公司 | Quenching liquid cooling device |
CN103882189A (en) * | 2014-03-24 | 2014-06-25 | 济钢集团有限公司 | High-efficiency quenching process of quenched plate |
CN110883113A (en) * | 2019-10-31 | 2020-03-17 | 张家港宏昌钢板有限公司 | Laminar cooling water supply equipment and using method |
-
2011
- 2011-03-17 CN CN2011200711096U patent/CN202030792U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102397893A (en) * | 2011-11-30 | 2012-04-04 | 东北大学 | Water supply device of after-rolling cooling system |
CN103820618A (en) * | 2014-02-19 | 2014-05-28 | 安徽省宁国市华达耐磨材料有限公司 | Quenching liquid cooling device |
CN103882189A (en) * | 2014-03-24 | 2014-06-25 | 济钢集团有限公司 | High-efficiency quenching process of quenched plate |
CN103882189B (en) * | 2014-03-24 | 2016-09-28 | 济钢集团有限公司 | A kind of efficiently Quenching Sheet quenching technical |
CN110883113A (en) * | 2019-10-31 | 2020-03-17 | 张家港宏昌钢板有限公司 | Laminar cooling water supply equipment and using method |
CN110883113B (en) * | 2019-10-31 | 2021-07-20 | 张家港宏昌钢板有限公司 | Laminar cooling water supply equipment and using method |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20111109 |