CN204154124U - A kind of water cooled wall type magnesium fusing lump afterheat retracting device - Google Patents
A kind of water cooled wall type magnesium fusing lump afterheat retracting device Download PDFInfo
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- CN204154124U CN204154124U CN201420500341.0U CN201420500341U CN204154124U CN 204154124 U CN204154124 U CN 204154124U CN 201420500341 U CN201420500341 U CN 201420500341U CN 204154124 U CN204154124 U CN 204154124U
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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
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Abstract
Disclose a kind of water cooled wall type magnesium fusing lump afterheat retracting device, belong to magnesite melting and produce fused magnesite technical field.Described water cooled wall type magnesium fusing lump afterheat retracting device is arranged in by water-cooling wall in tunnel type waste heat recovery kiln, reclaims liberated heat in the molten cooling procedure that sticks together of magnesium.Magnesium after melting is molten to stick together after shelling, and enter waste heat recovery kiln with ferry-boat dolly from kiln hood door, magnesium fusing lump afterheat the heating pipe through being arranged in both sides reclaim.Within every 12 hours, enter that a magnesium is molten to stick together, the length of waste heat recovery kiln is 25.6m, and it is 96h that magnesium melts the time stopped in waste heat recovery kiln that sticks together, and shifts out finally by molten the sticking together from kiln tail-gate of cooled magnesium.Magnesium melts and to stick together and the water-cooling wall corresponding with it carries out heat exchange, and gained hot water enters extraneously to be produced or uses hot channel system needed for life, reaches the effect of heat recovery.
Description
Technical field
The utility model relates to magnesite melting and produces fused magnesite technical field, particularly a kind of water cooled wall type magnesium fusing lump afterheat retracting device.
Background technology
After magnesite melting completes, formation magnesium is molten sticks together, and shell after the molten crystallization cooling that sticks together of magnesium, the molten stored energy that sticks together of magnesium per ton is amounted to into electric energy and reached about 1300kWh.This portion of energy is completely wasted in existing production technology, and the obvious process units of current energy-saving effect not yet occurs, therefore, the energy-saving and emission-reduction of research high efficiente callback magnesium fusing lump afterheat resource to electric-melting magnesium industry are significant.
The molten skin sand thermal conductivity factor that sticks together of magnesium is little, and the whole body that sticks together is cylindrical, and specific area is little, causes the molten heat-obtaining difficulty that sticks together of magnesium.Be mainly manifested in fast fetching thermal conductance to cause skin sand surface temperature and sharply decline, the energy taste of recovery is lower, can not for the production of and life.
Utility model content
Sampling low problem to overcome fast fetching heat energy, the utility model proposes a kind of water cooled wall type magnesium fusing lump afterheat retracting device.This water cooled wall type magnesium fusing lump afterheat retracting device can be placed within tunnel type waste heat recovery kiln, mainly can comprise heating pipe, return main, outfall sewer, collection return pipe, collection outlet pipe, control valve and Water pipe bracket, wherein the many heating pipes in arch are divided into two-layer or more layer arranged along water pipe diametric(al), interlock between every layer and lay, avoid directly blocking, be beneficial to heat transfer; The top of every root heating pipe of hierarchal arrangement is all connected with the outfall sewer of this layer of heating pipe being positioned at arch top end, and two bottoms of every root heating pipe are all connected with the return main of this layer of heating pipe being positioned at base angle place, arch both sides; Collection return pipe is connected with the return main of every layer of heating pipe, collection one end of outlet pipe is connected with the outfall sewer of every layer of heating pipe, the other end of collection outlet pipe stretches out outside kiln wall, with being connected with the water inlet of hot channel system needed for extraneous production or life under the support of Water pipe bracket, this final outflow water mouth by hot channel system is connected with collection return pipe again.
Described tunnel type waste heat recovery kiln can comprise kiln hood door, kiln body, kiln tail-gate, blower fan, ferry-boat dolly, track and kiln body sand seal structure etc., the concrete structure of tunnel type waste heat recovery kiln is: kiln body is tunnel structure, the two ends of kiln body have kiln hood door and kiln tail-gate respectively, be equipped with track in the bottom in kiln body tunnel, melt the ferry-boat dolly sticked together put installation in orbit for transporting magnesium; Sand seal structure is provided with between the bottom of kiln body and the bottom surface platform of ferry-boat dolly, seal with this, magnesium melts to stick together to be placed in ferries on the bottom surface platform of dolly, melts the kiln top place stopped directly over position that sticks together all be mounted with blower fan, for strengthening the cross-ventilation heat exchange in kiln at each magnesium.
In order to reach best heat transfer effect, each heating pipe of hierarchal arrangement is melted according to the magnesium deposited in tunnel type waste heat recovery kiln the quantity sticked together and can be divided into several groups, often organize and namely form a water-cooling wall, each water-cooling wall is as the radiator of same group of domestic water-heating system, be provided with independent return main and outfall sewer, each water-cooling wall faces molten the sticking together of a magnesium and puts, make the heating pipe of these water-cooling walls can magnesium melt stick together the most nearby with magnesium molten sticking together carry out convection current and radiation heat transfer.
In order to control the leaving water temperature of each water-cooling wall, Cai flow to collection outlet pipe by outfall sewer after making the temperature of the water in water-cooling wall reach uniform temperature, control valve can be equipped with between the return main of each water-cooling wall and collection return pipe.
During work, magnesium melts to stick together and is placed in the centre of water cooled wall type magnesium fusing lump afterheat retracting device of the present utility model, with the water-cooling wall corresponding with it carries out heat exchange, gained hot water comes together in the collection outlet pipe outside device, again by being attached thereto the logical external world and producing or using hot channel system needed for life, release entrained because of heat that heat exchange obtains, reach the effect of heat recovery.
Use said apparatus, need operate by following technique:
(1) after the molten shelling that sticks together of magnesium that three-phawse arc furnace melting is produced, enter in waste heat recovery kiln with ferry-boat dolly by kiln hood door, move along ferry-boat trolley track to the afterbody of kiln body, within every 12 hours, enter that a magnesium is molten to stick together, the length of waste heat recovery kiln is 25.6m, it is 96h that magnesium melts the time stopped in waste heat recovery kiln that sticks together, and shifts out finally by molten the sticking together from kiln tail-gate of cooled magnesium;
(2) backwater after utilizing enters in collection return pipe, again by entering respectively in the return main of each water-cooling wall after control valve, outfall sewer is flow to from bottom to top by the process that heats in heating pipe, finally be supplied to user through collection outlet pipe, the circulating water flow of whole device is 80m
3/ h.Return water temperature is 60 DEG C, and leaving water temperature is 75 DEG C.
The water cooled wall type magnesium fusing lump afterheat retracting device of the utility model device adopts automatic control system, and control object is discharge, and control mode is regulate the control valve often organizing water-cooling wall.When the water temperature of water-cooling wall outfall sewer is lower than 75 DEG C, reduce control valve opening, otherwise increase control valve opening.Ensure that the water temperature in collection outlet pipe is not less than 75 DEG C.Be provided with circulating fan at waste heat recovery kiln body top, be used for stirring furnace air, strengthen the heat exchange efficiency that heating pipe and air, magnesium in kiln melt stick together surface and air, furnace air flow velocity is 5 ~ 6m/s.
The utility model has the advantage of:
(1) in water-cooling wall, heating pipe adopts multilayer to arrange, interlaced arrangement between every one deck, avoids directly blocking between heating pipe, also increases the heat exchange area of water pipe and air simultaneously;
(2) be placed in starting of the circulating fan at kiln body top, be conducive to gas flowing in kiln, strengthen the heat exchange that gas and magnesium in kiln melt stick together surface and water tube surfaces.
Accompanying drawing explanation
Fig. 1 is the waste heat recovery kiln owner body structure generalized section of the water cooled wall type magnesium fusing lump afterheat retracting device comprising this utility model.
Fig. 2 is A-A profile in Fig. 1.
In accompanying drawing: 1 is kiln hood door, 2 is kiln body, and 3 is blower fan, 4 is water-cooling wall, and 5 stick together for magnesium is molten, and 6 is outfall sewer, 7 is heating pipe, and 8 is kiln tail-gate, and 9 is ferry-boat dolly, 10 is return main, and 11 is track, and 12 is sand seal structure, 13 is collection return pipe, 14 is control valve, and 15 is Water pipe bracket, and 16 is collection outlet pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
Water cooled wall type magnesium fusing lump afterheat retracting device of the present utility model is placed within tunnel type waste heat recovery kiln, mainly comprise heating pipe 7, return main 10, outfall sewer 6, collection return pipe 13, collection outlet pipe 16, control valve 14 and Water pipe bracket 15, wherein the many heating pipes 7 in arch are divided into two-layer or three layers or other more multi-layered arranged along water pipe diametric(al), interlock between every layer and lay, avoid directly blocking, be beneficial to heat transfer; The top of every root heating pipe 7 of hierarchal arrangement is all connected with the outfall sewer 6 of this layer of heating pipe being positioned at arch top end, and the return main 10 that two bottoms of every root heating pipe 7 are all located on this layer of heating pipe 7 at base angle place, arch both sides is connected; Collection return pipe 13 is connected with the return main 10 of every layer of heating pipe 7, collection one end of outlet pipe 16 is connected with the outfall sewer 6 of every layer of heating pipe 7, the other end collecting outlet pipe 16 stretches out outside the top side wall of kiln body, with being connected with the water inlet of hot channel system needed for extraneous production or life under the support of Water pipe bracket 15, this final outflow water mouth by hot channel system is connected with collection return pipe 13 again.
Described tunnel type waste heat recovery kiln is provided with kiln hood door 1, kiln body 2, kiln tail-gate 8, blower fan 3, ferry-boat dolly 9, track 11 and kiln body sand seal structure 12 etc., the concrete structure of tunnel type waste heat recovery kiln is: kiln body 2 is tunnel structure, the two ends of kiln body 2 have kiln hood door 1 and kiln tail-gate 8 respectively, be equipped with track 11 in the bottom in kiln body tunnel, for transport magnesium melt stick together 5 ferry-boat dolly 9 put installation on the rail 11; Kiln body sand seal structure 12 is provided with between the sidewall of the bottom of kiln body 2 and the bottom surface platform of ferry-boat dolly 9, seal with this, magnesium melt stick together 5 be placed in ferry-boat dolly 9 bottom surface platform on, the kiln top place of melting directly over the 5 stop positions that stick together at each magnesium is all mounted with a Fans 3, for strengthening the cross-ventilation heat exchange in kiln.
In order to reach best heat transfer effect, each heating pipe 7 of hierarchal arrangement is melted the quantity sticked together be divided into several groups according to being deposited magnesium in kiln, often organize formation water-cooling wall 4, each water-cooling wall 4 is as the radiator of same group of domestic water-heating system, be provided with independent return main 10 and outfall sewer 6, each water-cooling wall 4 faces molten the sticking together of a magnesium and 5 to put, make the heating pipe 7 of these water-cooling walls 4 can magnesium melt stick together 5 the most nearby with magnesium molten sticking together 5 carry out convection current and radiation heat transfer.
In order to control the leaving water temperature of each water-cooling wall 4, Cai flow to collection outlet pipe 16 by outfall sewer 6 after making the temperature of the water in water-cooling wall 4 reach uniform temperature, between the return main 10 and collection return pipe 13 of each water-cooling wall 4, be equipped with a control valve 14.
During work, magnesium melts 5 centres being placed in water cooled wall type magnesium fusing lump afterheat retracting device of the present utility model that stick together, with the water-cooling wall 4 corresponding with it carries out heat exchange, gained hot water comes together in the collection outlet pipe 16 outside device, again by producing with the external world that is connected of collection outlet pipe 16 or using hot channel system needed for living, release entrained because of heat that heat exchange obtains, reach the effect of heat recovery.
Use said apparatus, its method of operating is as follows:
(1) after molten 5 shellings that stick together of magnesium that three-phawse arc furnace melting is produced, install to ferry-boat dolly 9 bottom surface platform on and with ferry-boat dolly 9 enter in waste heat recovery kiln by kiln hood door 1, afterbody along from track 11 to kiln body 2 moves, loading in every 12 hours magnesium is molten sticks together 5, the length of waste heat recovery kiln is 25.6m, it is 96h that magnesium melts 5 time of staying in kiln that sticked together, and 5 to shift out from kiln tail-gate 8 finally by molten the sticking together of cooled magnesium.
(2) backwater after utilizing enters in collection return pipe 13, again by entering in the return main 10 of each water-cooling wall 4 after control valve 14 respectively, be pooled to outfall sewer 6 after being heated in flow process in heating pipe 7 from bottom to top, be finally pooled to after in collection outlet pipe 16 and supply user.The circulating water flow of whole device is 80m
3/ h; Return water temperature is 60 DEG C, and leaving water temperature is 75 DEG C, and in kiln, wind speed is 5 ~ 6m/s.
Claims (4)
1. a water cooled wall type magnesium fusing lump afterheat retracting device, it is characterized in that, described water cooled wall type magnesium fusing lump afterheat retracting device is placed within tunnel type waste heat recovery kiln, comprise heating pipe, return main, outfall sewer, collection return pipe, collection outlet pipe, control valve and Water pipe bracket, wherein, the many heating pipes in arch are divided into two-layer or more layer arranged along water pipe diametric(al), staggeredly between every layer lay; The top of every root heating pipe of hierarchal arrangement is all connected with the outfall sewer of this layer of heating pipe being positioned at arch top end, and two bottom end openings of every root heating pipe are all connected with the return main of this layer of heating pipe being positioned at base angle place, arch both sides; Collection return pipe is connected with the return main of every layer of heating pipe, collection one end of outlet pipe is connected with the outfall sewer of every layer of heating pipe, the other end of collection outlet pipe stretches out outside kiln wall, with being connected with the water inlet of hot channel system needed for extraneous production or life under the support of Water pipe bracket, the final outflow water mouth of described hot channel system is connected with collection return pipe.
2. water cooled wall type magnesium fusing lump afterheat retracting device according to claim 1, it is characterized in that, described tunnel type waste heat recovery kiln comprises kiln hood door, kiln body, kiln tail-gate, blower fan, ferry-boat dolly, track and kiln body sand seal structure, wherein, kiln body is tunnel structure, the two ends of kiln body are respectively equipped with kiln hood door and kiln tail-gate, are equipped with track in the bottom in kiln body tunnel, melt the ferry-boat dolly sticked together put installation in orbit for transporting magnesium; Sand seal structure is provided with between the bottom of kiln body and the bottom surface platform of ferry-boat dolly, seal with this, magnesium melts to stick together to be placed in ferries on the bottom surface platform of dolly, melts the kiln top place stopped directly over position that sticks together all be mounted with blower fan, for strengthening the cross-ventilation heat exchange in kiln at each magnesium.
3. water cooled wall type magnesium fusing lump afterheat retracting device according to claim 1 and 2, it is characterized in that, each heating pipe of hierarchal arrangement is melted according to the magnesium deposited in tunnel type waste heat recovery kiln the quantity sticked together and is divided into several groups, often organize formation water-cooling wall, each water-cooling wall is provided with independent return main and outfall sewer, each water-cooling wall faces molten the sticking together of a magnesium and puts, and makes the heating pipe of water-cooling wall can carry out convection current and radiation heat transfer with molten the sticking together of magnesium.
4. water cooled wall type magnesium fusing lump afterheat retracting device according to claim 3, is characterized in that, is equipped with control valve between the return main of each water-cooling wall and collection return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500341.0U CN204154124U (en) | 2014-08-29 | 2014-08-29 | A kind of water cooled wall type magnesium fusing lump afterheat retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500341.0U CN204154124U (en) | 2014-08-29 | 2014-08-29 | A kind of water cooled wall type magnesium fusing lump afterheat retracting device |
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| Publication Number | Publication Date |
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| CN204154124U true CN204154124U (en) | 2015-02-11 |
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| CN201420500341.0U Expired - Fee Related CN204154124U (en) | 2014-08-29 | 2014-08-29 | A kind of water cooled wall type magnesium fusing lump afterheat retracting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588449A (en) * | 2015-04-27 | 2016-05-18 | 南京圣诺热管有限公司 | Calcium carbide waste heat recycling method and recycling system |
| CN109320106A (en) * | 2018-12-04 | 2019-02-12 | 中冶焦耐(大连)工程技术有限公司 | A kind of waste-heat recovery device and technique of electrically fused magnesium fused weight |
| CN109443021A (en) * | 2018-12-04 | 2019-03-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of waste heat recovery room for fused magnesium fusing lump afterheat recycling |
| CN109631595A (en) * | 2018-12-04 | 2019-04-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat recovery method |
| CN109707471A (en) * | 2018-12-04 | 2019-05-03 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat utilizes method and system |
| CN109737759A (en) * | 2018-12-04 | 2019-05-10 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat recyclable device with from deoxygenation function |
| CN110953890A (en) * | 2019-12-27 | 2020-04-03 | 天津健威泽节能环保科技股份有限公司 | Fused magnesium lump cooling and waste heat recovery system and implementation method |
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2014
- 2014-08-29 CN CN201420500341.0U patent/CN204154124U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588449A (en) * | 2015-04-27 | 2016-05-18 | 南京圣诺热管有限公司 | Calcium carbide waste heat recycling method and recycling system |
| CN109320106A (en) * | 2018-12-04 | 2019-02-12 | 中冶焦耐(大连)工程技术有限公司 | A kind of waste-heat recovery device and technique of electrically fused magnesium fused weight |
| CN109443021A (en) * | 2018-12-04 | 2019-03-08 | 中冶焦耐(大连)工程技术有限公司 | A kind of waste heat recovery room for fused magnesium fusing lump afterheat recycling |
| CN109631595A (en) * | 2018-12-04 | 2019-04-16 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat recovery method |
| CN109707471A (en) * | 2018-12-04 | 2019-05-03 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat utilizes method and system |
| CN109737759A (en) * | 2018-12-04 | 2019-05-10 | 中冶焦耐(大连)工程技术有限公司 | A kind of fused magnesium fusing lump afterheat recyclable device with from deoxygenation function |
| CN109320106B (en) * | 2018-12-04 | 2023-09-15 | 中冶焦耐(大连)工程技术有限公司 | Waste heat recovery device and process for fused magnesium fused lump |
| CN109707471B (en) * | 2018-12-04 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Method and system for utilizing waste heat of fused magnesium melting lump |
| CN109443021B (en) * | 2018-12-04 | 2024-04-23 | 中冶焦耐(大连)工程技术有限公司 | Waste heat recovery chamber for waste heat recovery of fused magnesium lump |
| CN109737759B (en) * | 2018-12-04 | 2024-04-26 | 中冶焦耐(大连)工程技术有限公司 | Electric smelting magnesium melting lump waste heat recovery device with self-deoxidizing function |
| CN110953890A (en) * | 2019-12-27 | 2020-04-03 | 天津健威泽节能环保科技股份有限公司 | Fused magnesium lump cooling and waste heat recovery system and implementation method |
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| 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: 20150211 Termination date: 20170829 |