CN203174177U - Circulating water recovery device used in magnesium smelting process - Google Patents
Circulating water recovery device used in magnesium smelting process Download PDFInfo
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- CN203174177U CN203174177U CN2013200396086U CN201320039608U CN203174177U CN 203174177 U CN203174177 U CN 203174177U CN 2013200396086 U CN2013200396086 U CN 2013200396086U CN 201320039608 U CN201320039608 U CN 201320039608U CN 203174177 U CN203174177 U CN 203174177U
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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
- Y02P10/20—Recycling
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Abstract
The utility model relates to a circulating water recovery device used in the magnesium smelting process. A high temperature water basin (12) is mounted above a low temperature basin (11); a water pump station (8) is mounted beside the low temperature basin (11); a high temperature water drainage pipe (6) is connected to the high temperature basin (12) via a reduction workshop (10); a high temperature water pumping pipe (7) is connected to the water pump station (8) via the high temperature basin (12); a low temperature water pumping pipe (13) is connected to the water pump station (8) via the low temperature basin (11); a low temperature water supply pipe (9) is connected to the reduction workshop (10) via the water pump station (8); and a heating pipeline water outlet pipe (1) is introduced from the water pump station (8), connected with a heating main pipeline (4), and connected with a heating pipeline water return pipe (5) to be reconnected to the low temperature basin (11). According to the circulating water recovery device, waste heat of high temperature circulating water in the reduction workshop is efficiently utilized for external heating or bathing, so recovery and control of waste heat of circulating water are realized, equipment investment and establishment links for heat supply for heating and bathing are reduced, energy is saved, emission is reduced, effects of environment protection and safety are realized, and production management level and economic benefits are improved.
Description
Technical field
The utility model relates to and belongs to recirculated water retrieving arrangement in magnesium smelting industry technical field, especially the magnesium smelting technology.
Background technology
The smelting process of magnesium mainly is divided into two kinds: the one, and silicothermic process, another is electrolytic process; Domestic magnesium-smelting plant man mostly adopts the Pidgeon process in the silicothermic process at present, this method is relatively ripe, Pidgeon process production MAGNESIUM METAL is to be raw material with calcined dolomite or giobertite, ferrosilicon is reductive agent, fluorite is catalyzer, carries out batching, suppresses balling-up behind the grinding, be called pelletizing, with pelletizing pack into the reduction jar in, be heated to about 1200 ℃, inside is evacuated to 13.3Pa or higher, then produce magnesium vapor, magnesium vapor forms crystallization magnesium in the condenser of reduction jar front end, also claim crude magnesium, again through adding flux-refining, output commodity magnesium ingot, i.e. smart magnesium.Particularly, the production of magnesium by pidgeonprocess production process comprises, (1) dolomite calcination: rhombspar in rotary kiln or shaft furnace, is heated to 1100～1200 ℃, burns till and forge white MgO+CaO; (2) batching ball processed: will forge white, ferrosilicon powder and fluorite powder by metering, batching, grinding, and suppress balling-up then; (3) reduction: pellet is heated to about 1200 ℃ in reduction jar, at 13.3Pa or more under the high vacuum condition, kept 8～10 hours, magnesium oxide is reduced into magnesium vapor, becomes crude magnesium after the condensation; (4) refining ingot casting: with the crude magnesium heat fused, under about 710 ℃ of high temperature, after flux-refining, cast magnesium ingot, also claim smart magnesium; (5) pickling: magnesium ingot with sulfuric acid or nitric acid clean surface, is removed the surface and is mingled with, make surface aesthetic.Pidgeon process production MAGNESIUM METAL production equipment comprises that every stove 26-51 of direct-fired reduction furnace props up reduction jar, direct-fired refining furnace, rotary kiln.Pidgeon process production MAGNESIUM METAL process energy consumption situation is: 2.8 tons in calcining ton magnesium consumption raw coal, 3 tons in reduction ton magnesium consumption raw coal, 0.5 ton in refining ton magnesium consumption raw coal.
In the magnesium smelting process, crystallizer need be by the water cycle processing of lowering the temperature.Water temperature has had bigger lifting after the water cycle, all takes the method for naturally cooling in the past, and this resource of recirculated water waste heat is not utilized preferably.
Summary of the invention
Goal of the invention of the present utility model is to provide recirculated water retrieving arrangement in a kind of magnesium smelting technology.
Realize that goal of the invention measure of the present utility model is: the high temperature pond is installed above low temperature cell, at the other pump works of installing of low temperature cell, the high temperature water shoot connects into the high temperature pond by the reduction plant, the high-temperature pump water pipe connects into pump works by the high temperature pond, the cryopump water pipe connects into pump works by low temperature cell, the low temperature water-supply pipe is connected to the reduction plant by pump works, and the hot duct rising pipe is drawn by pump works and connected the heating main conduit, connects the hot duct return water pipe then and takes back low temperature cell.
Advantage of the present utility model is, by low temperature cell, high temperature pond and pump line system are set, effectively utilize reduction plant high temperature circulation water waste heat externally heating or bathing, realization is to recirculated water waste heat recovery and regulation and control, reduce the equipment of heating and bathing heat supply and invested to build link, energy-saving and emission-reduction, Environmental Safety improves production management level and economic benefit.
Description of drawings
Fig. 1 is structure of the present utility model and scheme of installation
Reference numeral comprises:
Hot duct rising pipe 1, for bath water arm 2, filtering system 3, heating main conduit 4, hot duct return water pipe 5, high temperature water shoot 6, high-temperature pump water pipe 7, pump works 8, low temperature water-supply pipe 9, reduction plant 10, low temperature cell 11, high temperature pond 12, cryopump water pipe 13.
Embodiment
The utility model will arrive bathroom by pipe-line transportation for the high temperature circulation water of crude magnesium crystallizer, provide hot water through over-heat-exchanger again; Simultaneously, the high temperature circulation water with the crude magnesium crystallizer is used for heating by pipe-line transportation to production and living quarters.
Further specify below in conjunction with drawings and Examples.
As shown in Figure 1, high temperature pond 12 is installed above low temperature cell 11, at the low temperature cell 11 other pump works 8 of installing, high temperature water shoot 6 connects into high temperature pond 12 by reduction plant 10, high-temperature pump water pipe 7 connects into pump works 8 by high temperature pond 12, and cryopump water pipe 13 connects into pump works 8 by low temperature cell 11, and low temperature water-supply pipe 9 is connected to reduction plant 10 by pump works 8, hot duct rising pipe 1 is drawn by pump works 8 and is connected heating main conduit 4, connects hot duct return water pipe 5 then and takes back low temperature cell 11.
In aforementioned, connected for bath water arm 2 by heating main conduit 4 or pump works 8, this connects filtering system 3 for bath water arm 2.The hot water of the comparatively high temps after part is handled through filtering system 3 is sent to laundry and is bathed regional the use.
In aforementioned, mounted valve control effectively on each associated conduit.
In aforementioned, directly be connected with pipeline by regulating pump between low temperature cell 11 and the high temperature pond 12.Realize the quick adjustment water temperature when needed.
When the utility model is worked, the high-temperature water that is attracted by reduction plant 10 enters high temperature pond 12 through high temperature water shoot 6, pump into pump works 8 through high-temperature pump water pipe 7 again, drawn by hot duct rising pipe 1 again and connect the 4 heating circulations of heating main conduit and carry out waste heat and effectively utilize, take back low temperature cell 11 through the water at low temperature after the exchange cooling by heating coil road return water pipe 5 in the heating main conduit 4; Then, pump works 8 extracts water at low temperature through cryopump water pipe 13 from low temperature cell 11 and is transported to reduction plant 10 work through low temperature water-supply pipe 9.
The utility model will extremely be produced and life heating installation and bath apparatus by pipe-line transportation for the high temperature circulation water of crude magnesium crystallizer, realize the heat recovery of high temperature circulation water.
In above embodiment, do not reach the employing prior aries such as other necessary technologies that relate to enforcement of narration, enumerate detailed description no longer successively.
Claims (3)
1. recirculated water retrieving arrangement in the magnesium smelting technology, it is characterized in that: in low temperature cell (11) top high temperature pond (12) is installed, at the other pump works (8) of installing of low temperature cell (11), high temperature water shoot (6) connects into high temperature pond (12) by reduction plant (10), high-temperature pump water pipe (7) connects into pump works (8) by high temperature pond (12), cryopump water pipe (13) connects into pump works (8) by low temperature cell (11), low temperature water-supply pipe (9) is connected to reduction plant (10) by pump works (8), hot duct rising pipe (1) is drawn by pump works (8) and is connected heating main conduit (4), connects hot duct return water pipe (5) then and takes back low temperature cell (11).
2. recirculated water retrieving arrangement in the magnesium smelting technology as claimed in claim 1 is characterized in that, is connected for bath water arm (2) by heating main conduit (4) or pump works (8), and this connects filtering system (3) for bath water arm (2).
3. recirculated water retrieving arrangement in the magnesium smelting technology as claimed in claim 1 is characterized in that, directly is connected with pipeline by regulating pump between low temperature cell (11) and high temperature pond (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200396086U CN203174177U (en) | 2013-01-24 | 2013-01-24 | Circulating water recovery device used in magnesium smelting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200396086U CN203174177U (en) | 2013-01-24 | 2013-01-24 | Circulating water recovery device used in magnesium smelting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203174177U true CN203174177U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200396086U Expired - Lifetime CN203174177U (en) | 2013-01-24 | 2013-01-24 | Circulating water recovery device used in magnesium smelting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203174177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495712A (en) * | 2013-09-17 | 2014-01-08 | 宝钢工程技术集团有限公司 | Continuous casting crystallizer cooling water preheating system and method |
-
2013
- 2013-01-24 CN CN2013200396086U patent/CN203174177U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495712A (en) * | 2013-09-17 | 2014-01-08 | 宝钢工程技术集团有限公司 | Continuous casting crystallizer cooling water preheating system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160429 Address after: 043800 Shanxi city of Yuncheng Province Wang Pei township of Wenxi county. Patentee after: WENXI COUNTY REGAL MAGNESIUM Co.,Ltd. Address before: 201400, room 333, No. 316 East Ring Road, Fengxian District Pu Pu Industrial Zone, Shanghai, China Patentee before: SHANGHAI REGAL MAGNESIUM INDUSTRY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 043800 Shanxi city of Yuncheng Province Wang Pei township of Wenxi county. Patentee after: SHANXI REGAL METAL NEW MATERIAL CO.,LTD. Address before: 043800 Shanxi city of Yuncheng Province Wang Pei township of Wenxi county. Patentee before: WENXI COUNTY REGAL MAGNESIUM Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |