CN203564965U - Recycling system for circulating cooling water return energy of cold mill - Google Patents
Recycling system for circulating cooling water return energy of cold mill Download PDFInfo
- Publication number
- CN203564965U CN203564965U CN201320575118.8U CN201320575118U CN203564965U CN 203564965 U CN203564965 U CN 203564965U CN 201320575118 U CN201320575118 U CN 201320575118U CN 203564965 U CN203564965 U CN 203564965U
- Authority
- CN
- China
- Prior art keywords
- cooling water
- water return
- circulating cooling
- desalination station
- rolling mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a recycling system for circulating cooling water return energy of a cold mill. The recycling system comprises a heat exchanger which is respectively connected with a circulating cooling water return input pipeline, a circulating cooling water return output pipeline, a desalination station raw water input pipeline and a desalination station raw water output pipeline; the circulating cooling water return output pipeline is connected to the interior of a cooling tower; a booster pump is arranged on the circulating cooling water return input pipeline; an on-line thermometer is arranged on the desalination station raw water output pipeline. According to the recycling system, through the heat exchange between the circulating cooling water return of the cold mill and the desalination station raw water, the temperature of the circulating cooling water return is reduced, and the problem of energy consumption caused by steam heating on desalination station raw water is solved.
Description
Technical field
The utility model belongs to Metallurgy Energy Saving environmental technology field, particularly a kind of cold rolling mill cooling water return energy recovery utilizing system.
Background technology
Conventional cold rolling mill mainly consists of sour milling train group, processing line unit (comprising annealing unit, coating unit), rewinding unit at present.For meeting with cooling, the template fast of steel, control and the safe operation of associated machines, need be by recirculated cooling water a large amount of used heat that leaves, heat is about 4 * 10
8kJ/h, these heat grades are lower, and temperature only has 30 ℃.At present, recirculated water backwater Btu utilization mainly contains the technology such as water resource heat pump, improves after the quality of heat energy for heating etc.There is the problems such as investment is large, power consumption is high, and be subject to the restriction of user's seasonal demand, cause its economic performance not high.
At cold rolling mill, in order to meet pickling, alkali cleaning, boiler, with the needs of demineralized water, have desalted water station, the aquifer yield of the reverse osmosis deaslination technology extensively adopting is at present very responsive to temperature, 1 ℃ of the every rising of inflow temperature, permeant flux improves 2.5%-3%, high-pressure pump energy consumption also raises and reduces with temperature simultaneously, in order to eliminate the impact of water inlet water temperature on reverse osmosis membrane, desalted water station need to carry out Steam Heating to former water, has brought very large energy resource consumption.
Utility model content
The utility model provides a kind of cold rolling mill cooling water return energy recovery utilizing system, object is to utilize the former water in cold rolling mill cooling water return energy heating desalination station, in order to reduce the temperature of cooling water return, and solve the energy consumption problem that the former water in Steam Heating desalination station brings.
For solving the problems of the technologies described above, the utility model provides a kind of cold rolling mill cooling water return energy recovery utilizing system, comprise the heat exchanger that connects respectively cooling water return input channel, cooling water return output channel, former water inlet pipe road, desalination station and desalination station former water delivery pipe road, described cooling water return output channel is connected in cooling tower, on described cooling water return input channel, be provided with booster pump, described desalination station is provided with online thermometer on former water delivery pipe road.
Further, described heat exchanger is sheet frame heat exchanger.
Further, described booster pump is frequency conversion hot water booster pump.
A kind of cold rolling mill cooling water return energy recovery utilizing system that the utility model provides, utilize heat exchanger to make the former water of cold rolling mill cooling water return and desalination station carry out exchange heat, the low-quality heat of cooling water return is passed to the former water in desalination station, the water temperature of the former water in desalination station is raise.Not only can reduce the temperature of cooling water return, alleviation " sauna day " air humidity in summer is high, the difficult problem that cooling water return heat is difficult loose, simultaneously, can also solve the energy consumption problem of bringing by the former water in Steam Heating desalination station, reach the object of energy-saving and emission-reduction, there is certain economic benefit.
Accompanying drawing explanation
The structural representation of the cold rolling mill cooling water return energy recovery utilizing system that Fig. 1 provides for the utility model embodiment.
The specific embodiment
Referring to Fig. 1, a kind of cold rolling mill cooling water return energy recovery utilizing system that the utility model embodiment provides, comprise the heat exchanger 6 that connects respectively cooling water return input channel 1, cooling water return output channel 7, former water inlet pipe road, desalination station 5 and former water delivery pipe road, desalination station 3, as an embodiment of the present embodiment, heat exchanger 6 adopts sheet frame heat exchanger.Cooling water return output channel 7 is connected in cooling tower 8.On former water delivery pipe road, desalination station 3, be provided with online thermometer 4, can monitor the temperature of the former water in desalination station after heat exchange heating of discharging in former water delivery pipe road, desalination station 3.On cooling water return input channel 1, be provided with booster pump 2, do an embodiment of the present embodiment, what booster pump 2 adopted is frequency conversion hot water booster pump, can adjust according to the former coolant-temperature gage in desalination station after heating the flow of booster pump 2.
The mechanism of a kind of cold rolling mill cooling water return energy recovery utilizing system that the utility model embodiment provides is as follows: temperature is that the cold rolling mill cooling water return of 30 ℃ of left and right enters heat exchanger 6 by cooling water return input channel 1 after booster pump 2 pressurizations, carries out exchange heat with the former water in desalination station entering from former water inlet pipe road, desalination station 5.Booster pump 2 is frequency conversion hot water booster pump, adjustable its uninterrupted, and its flow is definite according to the former water water yield of demineralized water, and both are generally identical; The pressure of booster pump 2 is pipeline hydraulic loss and heat exchanger 1 hydraulic loss sum, also needs in addition to increase the surplus of 2 meters, can either guarantee the flow velocity of hot water in heat exchanger 1, does not cause again the waste of the energy.For preventing that heating the former water water temperature over-high in rear desalination station causes harmful effect to reverse osmosis membrane, online thermometer 4 on former water delivery pipe road, desalination station 3 is monitored the temperature of the former water in desalination station of discharging after heating at any time, according to the former coolant-temperature gage in the desalination station after heating, adjust the flow of booster pump 2, the former water water temperature that former water delivery pipe road, desalination station 3 is discharged is controlled within the scope of 25 ± 2 ℃.The former water of cold rolling mill cooling water return and desalination station carries out after exchange heat, and the temperature of cooling water return is minimized, and then by cooling water return output channel 7, introduces in cooling tower 8.The former water in desalination station is after exchange heat, and temperature can reach 25 ℃ of left and right, and from former water delivery pipe road, desalination station, 3 discharge.Thereby reach the former water in heating desalination station, the effect of cooling circulating cooling water backwater.
A kind of cold rolling mill cooling water return energy recovery utilizing system that the utility model embodiment provides, not only can heat the former water in desalination station by exchange heat, has solved the energy consumption problem of bringing by the former water in Steam Heating desalination station.Meanwhile, also play the cooling effect to cooling water return, reduced by the cooling blower power consumption that cooling causes to cooling water return.Particularly adopt underground water as the former water cooling cooling water return in desalination station, can alleviate summer " sauna day " air humidity high, the difficult problem that cooling water return heat is difficult loose.
It should be noted last that, the above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. a cold rolling mill cooling water return energy recovery utilizing system, it is characterized in that: comprise the heat exchanger that connects respectively cooling water return input channel, cooling water return output channel, former water inlet pipe road, desalination station and desalination station former water delivery pipe road, described cooling water return output channel is connected in cooling tower, on described cooling water return input channel, be provided with booster pump, described desalination station is provided with online thermometer on former water delivery pipe road.
2. cold rolling mill cooling water return energy recovery utilizing system according to claim 1, is characterized in that: described heat exchanger is sheet frame heat exchanger.
3. cold rolling mill cooling water return energy recovery utilizing system according to claim 1, is characterized in that: described booster pump is frequency conversion hot water booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575118.8U CN203564965U (en) | 2013-09-17 | 2013-09-17 | Recycling system for circulating cooling water return energy of cold mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575118.8U CN203564965U (en) | 2013-09-17 | 2013-09-17 | Recycling system for circulating cooling water return energy of cold mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203564965U true CN203564965U (en) | 2014-04-30 |
Family
ID=50532729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320575118.8U Expired - Lifetime CN203564965U (en) | 2013-09-17 | 2013-09-17 | Recycling system for circulating cooling water return energy of cold mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203564965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998720A (en) * | 2020-08-06 | 2020-11-27 | 浙江华川实业集团有限公司 | Low-grade energy utilization process |
-
2013
- 2013-09-17 CN CN201320575118.8U patent/CN203564965U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998720A (en) * | 2020-08-06 | 2020-11-27 | 浙江华川实业集团有限公司 | Low-grade energy utilization process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203757824U (en) | Heat supply system capable of reducing return water temperature of primary network | |
| CN204693561U (en) | A kind of UTILIZATION OF VESIDUAL HEAT IN heating installation with peak regulating function | |
| CN203464249U (en) | Condensed water heat regenerative system with absorption heat pump | |
| CN203703937U (en) | Duplex heat energy recycling and wastewater using device for combined cooling and heating boiler | |
| CN102914085B (en) | Cooling water waste heat recycling system | |
| CN103423591B (en) | A kind of distributed energy utilization system for natural gas filling station and method | |
| CN204404317U (en) | Wet type cooling unit high back pressure series connection compression type heat heat pump heating system | |
| CN106969396A (en) | A kind of progressive solution system and method for cascaded utilization of energy | |
| CN204024731U (en) | The built-in finer atomization cooling unit of a kind of Air-Cooling Island blow-off line | |
| CN203564965U (en) | Recycling system for circulating cooling water return energy of cold mill | |
| CN202853183U (en) | Cigarette factory waste heat comprehensive recycling energy saving system | |
| CN202912980U (en) | Low-temperature exhaust heat recovery system utilizing closed circulation of blast furnace soft water | |
| CN204851350U (en) | Utilize living water heating system of power plant's exhaust steam waste heat | |
| CN202675909U (en) | Rotary kiln waste heat recycling system | |
| CN204201868U (en) | A kind of boiler exhaust gas residual neat recovering system | |
| CN204829289U (en) | Steam subtracts warm depressurized system | |
| CN204268456U (en) | A kind of recovery boiler fume afterheat reutilization system | |
| CN204084940U (en) | A kind of solar energy auxiliary type second-kind absorption-type heat pump machine set system | |
| CN109296415B (en) | Combined cycle combined cooling heating power unit steam supply superheat degree utilization system | |
| CN202532584U (en) | Waste heat supply circulating water system | |
| CN202532582U (en) | Waste heat recycle system for circulating water of heating unit | |
| CN206069399U (en) | Water reutilization system of dissolution | |
| CN201772539U (en) | Heating return afterheat-water recycling energy-saving device | |
| CN203190715U (en) | Flue gas waste heat recovery system used in summer and winter | |
| CN204550663U (en) | Chilled(cooling) water supply (CWS) system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING SHOUGANG COLD ROLLING THIN PLATE CO., LTD. Assignor: Capital Iron & Steel General Company Contract record no.: 2015990001019 Denomination of utility model: Recycling system for circulating cooling water return energy of cold mill Granted publication date: 20140430 License type: Common License Record date: 20151209 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Patentee before: Capital Iron & Steel General Company |