CN203159634U - Multi-flow heat exchanger for blast furnace slag washing water - Google Patents

Multi-flow heat exchanger for blast furnace slag washing water Download PDF

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Publication number
CN203159634U
CN203159634U CN2013200975214U CN201320097521U CN203159634U CN 203159634 U CN203159634 U CN 203159634U CN 2013200975214 U CN2013200975214 U CN 2013200975214U CN 201320097521 U CN201320097521 U CN 201320097521U CN 203159634 U CN203159634 U CN 203159634U
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CN
China
Prior art keywords
flushing cinder
water flow
flow passage
heat exchange
hose box
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.)
Withdrawn - After Issue
Application number
CN2013200975214U
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Chinese (zh)
Inventor
宋秉棠
赵殿金
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TIANJIN HUASAIER HEAT TRANSFER EQUIPMENT CO Ltd
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TIANJIN HUASAIER HEAT TRANSFER EQUIPMENT CO Ltd
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Application filed by TIANJIN HUASAIER HEAT TRANSFER EQUIPMENT CO Ltd filed Critical TIANJIN HUASAIER HEAT TRANSFER EQUIPMENT CO Ltd
Priority to CN2013200975214U priority Critical patent/CN203159634U/en
Application granted granted Critical
Publication of CN203159634U publication Critical patent/CN203159634U/en
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/024Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/08Treatment of slags originating from iron or steel processes with energy recovery

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model relates to a multi-flow heat exchanger for blast furnace slag washing water. The heat exchanger has a welded plate type structure and is characterized in that a plurality of heat exchange units are superimposed to form heat exchange plate bundles; each heat exchange unit comprises a plurality of horizontal heat transfer sheets; slag washing water flow channels are arranged on one sides of the heat transfer sheets, and secondary water flow channels are arranged on the other sides of the heat transfer sheets; one sides of the slag washing water flow channels are contactless; each slag washing water flow channel bends via slag washing water pipe boxes connected at the two ends of the heat exchange plate bundles to form a contactless single-channel slag washing water heat exchange flow; the heat exchange plate bundles formed by superimposing the heat exchange units form a plurality of parallel contactless single-channel slag washing water heat exchange flows; slag washing water diversion boxes are arranged outside flat covers of the slag washing water pipe boxes and achieve the functions of diversion, collection, connecting pipe import and export, disassembling and washing via slag washing water flow channel inlets and outlets formed on the flat covers of the pipe boxes; and two pairs of secondary water pipe boxes are arranged on the two sides of the heat exchange plate bundles. The heat exchanger solves the problem of blockage caused by the slag washing water, and has the advantages of long operating period, convenience in washing, compact structure and high heat transfer efficiency.

Description

A kind of blast furnace slag quenching water multipaths interchanger
Technical field
The utility model relates to for the heat exchanging apparatus that reclaims blast furnace slag quenching water waste heat heating secondary water, relates in particular to a kind of blast furnace slag quenching water multipaths interchanger of welded plate type structure.
Background technology
Blast furnace ironmaking produces a large amount of high-temperature slags, after shrend, produce a large amount of 60~90 ℃ of flushing cinder water, flushing cinder water contains solid particulate and especially contains a large amount of suspended substances, if directly the heating meeting is deposited, is stopped up at pipeline, scatterer, and indirect heat exchange adopts conventional interchanger can stop up equally, can't long period use, therefore, using exhaust heat of slag flushing water is all less than comprehensive, effective recycling for many years.
The interchanger that is used for the using exhaust heat of slag flushing water recovery at present mainly contains conventional tube shell heat exchanger, spiral-plate heat exchanger, and the very short in actual applications time namely can stop up, and is difficult to mediation.A kind of pulp water interchanger is arranged, adopt plane heat exchange plate, cold water side to establish spacing column, many plates owing to contain a large amount of suspended substances in the flushing cinder water, to the knitmesh of runner ingress, stop up interchanger at its many plates to flow passage structure.
The utility model content
Technical problem to be solved in the utility model is that flushing cinder water contains a large amount of solid particulates and especially contains a large amount of suspended substances, a difficult problem of very easily depositing, stopping up in heat exchanger heat transfer element ingress, heat transfer element inside, the utility model overcomes the deficiencies in the prior art, and a kind of blast furnace slag flushing water-to-water heat exchanger of depositing, stopping up of preventing is provided.
The utility model is to be achieved by the following technical programs:
A kind of blast furnace slag quenching water multipaths interchanger, comprise that being located at two of two ends up and down liquidates that pulp water is taken over and secondary water is taken over, two flushing cinder hose boxs that two ends arrange, two flushing cinder hose box flat covers that are connected with the flushing cinder hose box and current divider box thereof, two secondary hose boxs that both sides arrange and be arranged on the flushing cinder hose box, the heat exchanger plates bundle of being formed by a plurality of heat exchange units between the secondary hose box, described heat exchange unit comprises the heat transferring plate of a plurality of horizontal set one by one, described heat transferring plate one side is that flushing cinder water flow passage opposite side is the secondary water flow passage, flushing cinder water flow passage and secondary water flow passage replace successively, the flushing cinder water flow passage side non-contact-point of heat transferring plate, be provided with the segmentation dividing plate in the described flushing cinder hose box, described segmentation dividing plate is divided into the flushing cinder hose box multistage flushing cinder hose box of corresponding heat exchange unit, every section flushing cinder hose box outer upper end is provided with the flushing cinder water flow passage import that is connected with flushing cinder hose box flat cover, lower end, every section flushing cinder hose box outside is provided with the flushing cinder water flow passage outlet that is connected with flushing cinder hose box flat cover, each flushing cinder water flow passage of described heat exchange unit is rolled over journey by the corresponding section flushing cinder hose box that is connected heat exchanger plates bundle two ends and is formed a contactless single passage flushing cinder water heat exchange process, a plurality of heat exchange units of heat exchanger plates bundle form a plurality of parallel connections, contactless single passage flushing cinder water heat exchange process, described secondary aquaporin are rolled over journey by two secondary hose boxs that are connected heat exchanger plates bundle both sides and are formed secondary water heat exchange process.
Be provided with flushing cinder hose box dividing plate in described every section flushing cinder hose box, from first secondary water flow passage correspondence position of flushing cinder water flow passage import heat exchanger plates bundle dividing plate is set, dividing plate is not established in corresponding secondary water flow passage position in the other end flushing cinder hose box, secondary aquaporin correspondence position arranges on the contrary in the next flushing cinder hose box, replaces successively.
The flushing cinder water flow passage correspondence position of the one or more secondary water flow passage in interval is provided with secondary hose box dividing plate in the described secondary hose box.
The outside of described two ends flushing cinder hose box is provided with flushing cinder hose box flat cover, establishes flushing cinder water flow passage import and export on the described flushing cinder hose box flat cover, and described flushing cinder moisture flow case is located at the flushing cinder hose box flat cover outside.
Described heat transferring plate is provided with ripple, and ripple is at flushing cinder water flow passage one side non-contact-point.
Described heat transferring plate is tabula rasa.
Described heat exchanger plates bundle flushing cinder water flow passage width is greater than secondary water flow passage width.
The beneficial effects of the utility model are:
Because the heat transferring plate horizontal positioned of the utility model heat exchange unit, heat transferring plate flushing cinder water flow passage one side is contactless, each flushing cinder water flow passage is rolled over journey by the flushing cinder hose box that is connected heat exchanger plates bundle two ends and is formed a contactless single passage flushing cinder water heat exchange process, flushing cinder water all can not deposit, stop up in runner ingress and inside thereof, the heat exchanger plates bundle that a plurality of heat exchange unit groups build up forms single passage flushing cinder water heat exchange process a plurality of parallel connections, contactless and also can not stop up naturally, has improved the treatment capacity of interchanger simultaneously; Be located at the flushing cinder moisture flow case in the flushing cinder hose box flat cover outside, it realizes the effect that shunting, afflux, adapter import and export by the flushing cinder current road junction import and export of being located on the bobbin carriage flat cover, thereby realized a plurality of parallel connections, contactless single passage flushing cinder water heat exchange process, the bobbin carriage flat cover is realized the function of dismounting flushing.The utility model has solved the difficult problem of flushing cinder water slug, and flushing cinder water does not need filtration directly to enter the interchanger recovery waste heat, operational cycle length, flushing convenience, compact construction, heat transfer efficiency height.
Description of drawings
Fig. 1 is main TV structure figure of the present utility model.
Fig. 2 is flushing cinder water schema of the present utility model.
Fig. 3 is secondary water schema of the present utility model.
Fig. 4 is runner figure of the present utility model.
Among the figure: 1. flushing cinder water is taken over, 2. flushing cinder hose box flat cover, and 3. secondary water is taken over, 4. pressure strip, 5. pull bar, 6. heat transferring plate, 7. block up bar, 8. flushing cinder hose box dividing plate, 9. flushing cinder hose box 10. secondary hose box dividing plates, 11. the flushing cinder water flow passage, 12. secondary water flow passage, 13. segmentation dividing plates, 14. the import of flushing cinder water flow passage, the outlet of 15. flushing cinder water flow passage, 101. flushing cinder moisture flow casees, 102. the secondary hose box, A. flushing cinder water, B. secondary water.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with accompanying drawing and most preferred embodiment.
As shown in the figure, the utility model comprise be located at two of two ends up and down liquidate pulp water take over 1 and secondary water take over 3, two flushing cinder hose boxs 9 that two ends arrange, two flushing cinder hose box flat covers 2 that are connected with flushing cinder hose box 9 and current divider box 101 thereof, two secondary hose boxs 102 that both sides arrange, be arranged on the flushing cinder hose box, pressure strip 4 and the pull bar 5 of the heat exchanger plates bundle between the secondary hose box and clamping heat exchanger plates bundle, described heat exchanger plates bundle comprises a plurality of heat exchange units, described heat exchange unit comprises the heat transferring plate 6 and stifled bar 7 of a plurality of horizontal set, described heat transferring plate one side is that flushing cinder water flow passage 11 opposite sides are secondary water flow passage 12, flushing cinder water flow passage and secondary water flow passage replace successively, the flushing cinder water flow passage side non-contact-point of heat transferring plate, be provided with segmentation dividing plate 13 in the described flushing cinder hose box, described segmentation dividing plate is divided into the flushing cinder hose box multistage flushing cinder hose box of corresponding heat exchange unit, every section flushing cinder hose box outer upper end is provided with the flushing cinder water flow passage import 14 that is connected with the flushing cinder water tank, lower end, every section flushing cinder hose box outside is provided with the flushing cinder water flow passage outlet 15 that is connected with the flushing cinder water tank, each flushing cinder water flow passage of heat exchange unit rolls over journey by the flushing cinder hose box that is connected heat exchanger plates bundle two ends and forms a contactless single passage flushing cinder water heat exchange process, and a plurality of heat exchange units of described heat exchanger plates bundle form a plurality of parallel connections, contactless single passage flushing cinder water heat exchange process; Described secondary water flow passage is rolled over journey by two secondary hose boxs that are connected heat exchanger plates bundle both sides and is formed secondary water heat exchange process.
Each flushing cinder water flow passage of heat exchange unit described in this example is rolled over journey by the flushing cinder hose box that is connected heat exchanger plates bundle two ends and is formed a contactless single passage flushing cinder current journey, by being set in every section flushing cinder hose box, realizes by flushing cinder hose box dividing plate 8: from first secondary water flow passage correspondence position of flushing cinder water flow passage import heat exchange unit dividing plate is set, dividing plate is not established in corresponding secondary water flow passage position in the other end flushing cinder hose box, secondary aquaporin correspondence position arranges on the contrary in the next flushing cinder hose box, replaces successively.
The water flow passage of secondary described in this example by the secondary hose box that is connected its both sides roll over journey form secondary water heat exchange process be by in the described secondary hose box at interval the flushing cinder water flow passage correspondence position of one or more secondary water flow passage be provided with secondary hose box dividing plate 10 and realize.
The flushing cinder water flow passage width of described heat exchanger plates bundle is greater than secondary water flow passage width.
The heat transferring plate horizontal positioned of the bundle of heat exchanger plates described in this example, plate is established ripple, and per two plate make-ups are welded to form that plate is right, and plate internally forms the secondary aquaporin, and plate secondary aquaporin side has the contact, can pressure-bearing with these contact point postwelding inside; Certainly plate also can not established ripple and adopts tabula rasa by realizing in secondary aquaporin face down bonding muscle, post mode, but heat transfer efficiency is low; Many group heat transfer plates are to being connected into heat exchange unit by the stifled bar 7 support group stitch welding in both sides, many group heat exchange units are formed the heat exchanger plates bundle and are clamped by pressure strip 4, pull bar 5, plate between form the flushing cinder water flow passage, because the support of stifled bar 7, heat transferring plate flushing cinder water flow passage side wave line non-contact-point, namely flushing cinder water flow passage one side is contactless; Stifled bar supports also and can realize by the mode of joining that the plate side is directly overturn.
Flushing cinder water is taken over by flushing cinder water and is entered flushing cinder moisture flow case, shunt, enter front end flushing cinder hose box by a plurality of flushing cinder water flow passage imports on the flushing cinder hose box flat cover, import the heat transferring plate of a plurality of heat exchange units by flushing cinder hose box dividing plate, arrive rear end flushing cinder hose box separately with after the heat exchange of secondary water, enter heat transferring plate by flushing cinder hose box dividing plate folding Cheng Zaici and arrive front end flushing cinder hose box, after rolling over for several times Cheng Houjing flushing cinder hose box flat cover upper punch pulp water runner exit and entering the flushing cinder water tank and compile, take over outflow heat exchanger by flushing cinder water.Flushing cinder water is all rolled over journey after flowing through each flushing cinder water flow passage in the whole heat transfer process of each heat exchange unit, namely whole flushing cinder water flow passage is connected to the flushing cinder water heat exchange process that has only a passage by the folding journey.And the heat exchanger plates bundle that a plurality of heat exchange unit groups build up forms the contactless single passage flushing cinder water heat exchange process of a plurality of parallel connections, has improved the interchanger treatment capacity.
Two flushing cinder hose boxs are respectively at the two ends of heat exchanger plates bundle, and the flushing cinder water inlet is taken over and flushing cinder moisture flow case is located on the front end bobbin carriage, and downstream end and flushing cinder moisture flow case thereof are located on the bobbin carriage of rear end.Two flushing cinder hose boxs arrange bobbin carriage flat cover 2, after unclamping bolt and opening flat cover, can wash the flushing cinder water flow passage quickly and easily.Flushing cinder moisture flow case is located at the flushing cinder hose box flat cover outside, and it realizes that by the flushing cinder current road junction import and export of being located on the bobbin carriage flat cover shunting, afflux, adapter import and export, dismantle the function of flushing.
The secondary hose box is in side, heat exchanger plates bundle two ends, and the diagonal angle is arranged, can certainly arrange by homonymy, but the secondary hose box that the diagonal angle is arranged can make secondary water being more evenly distributed in plate; When the diagonal angle is arranged, it is internal that secondary water enters secondary hose box importing heat transfer plate by the adapter of secondary water, with arrival diagonal angle secondary hose box after the heat exchange of flushing cinder water, enter heat transfer plate again after the folding journey and internally carry out heat exchange, baffling is taken over outflow heat exchanger by secondary water for several times.Because secondary water is clean, do not stop up interchanger, the runner number of at every turn rolling over journey can be a plurality of; Can certainly single channel, structure can be more complicated and meaningless.
When secondary water side folding number of passes was odd number, the secondary water inlet was taken over and is located on the bobbin carriage, and downstream end is on another bobbin carriage, and when secondary water folding number of passes was even number, the secondary water inlet was taken over and downstream end is located on the same bobbin carriage.
The utility model also can be used for the medium heat exchange that other contains solid particulate and suspended substance as a kind of full welded plate formula interchanger.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (7)

1. blast furnace slag quenching water multipaths interchanger, it is characterized in that, comprise that being located at two of two ends up and down liquidates that pulp water is taken over and secondary water is taken over, two flushing cinder hose boxs that two ends arrange, two flushing cinder hose box flat covers that are connected with the flushing cinder hose box and current divider box thereof, two secondary hose boxs that both sides arrange and be arranged on the flushing cinder hose box, the heat exchanger plates bundle of being formed by a plurality of heat exchange units between the secondary hose box, described heat exchange unit comprises the heat transferring plate of a plurality of horizontal set one by one, described heat transferring plate one side is that flushing cinder water flow passage opposite side is the secondary water flow passage, flushing cinder water flow passage and secondary water flow passage replace successively, the flushing cinder water flow passage side non-contact-point of heat transferring plate, be provided with the segmentation dividing plate in the described flushing cinder hose box, described segmentation dividing plate is divided into the flushing cinder hose box multistage flushing cinder hose box of corresponding heat exchange unit, every section flushing cinder hose box outer upper end is provided with the flushing cinder water flow passage import that is connected with flushing cinder hose box flat cover, lower end, every section flushing cinder hose box outside is provided with the flushing cinder water flow passage outlet that is connected with flushing cinder hose box flat cover, each flushing cinder water flow passage of described heat exchange unit rolls over journey by a corresponding section flushing cinder hose box that is connected heat exchanger plates bundle two ends and forms a contactless single passage flushing cinder water heat exchange process, and a plurality of heat exchange units of described heat exchanger plates bundle form a plurality of parallel connections, contactless single passage flushing cinder water heat exchange process; Described secondary aquaporin is rolled over journey by two secondary hose boxs that are connected heat exchanger plates bundle both sides and is formed secondary water heat exchange process.
2. a kind of blast furnace slag quenching water multipaths interchanger according to claim 1, it is characterized in that, be provided with flushing cinder hose box dividing plate in described every section flushing cinder hose box, from first secondary water flow passage correspondence position of flushing cinder water flow passage import heat exchange unit dividing plate is set, dividing plate is not established in corresponding secondary water flow passage position in the other end flushing cinder hose box, secondary aquaporin correspondence position arranges on the contrary in the next flushing cinder hose box, replaces successively.
3. a kind of blast furnace slag quenching water multipaths interchanger according to claim 1 is characterized in that, the flushing cinder water flow passage correspondence position of the one or more secondary water flow passage in interval is provided with secondary hose box dividing plate in the described secondary hose box.
4. according to a kind of blast furnace slag quenching water multipaths interchanger described in the claim 1, it is characterized in that, the outside of described two ends flushing cinder hose box is provided with flushing cinder hose box flat cover, establish flushing cinder water flow passage import and export on the described flushing cinder hose box flat cover, described flushing cinder moisture flow case is located at the flushing cinder hose box flat cover outside.
5. according to each described a kind of blast furnace slag quenching water multipaths interchanger in the claim 1 to 4, it is characterized in that described heat transferring plate is provided with ripple, ripple is at flushing cinder water flow passage one side non-contact-point.
6. according to each described a kind of blast furnace slag quenching water multipaths interchanger in the claim 1 to 4, it is characterized in that described heat transferring plate is tabula rasa.
7. according to each described a kind of blast furnace slag quenching water multipaths interchanger in the claim 1 to 4, it is characterized in that described heat exchanger plates bundle flushing cinder water flow passage width is greater than secondary water flow passage width.
CN2013200975214U 2013-03-04 2013-03-04 Multi-flow heat exchanger for blast furnace slag washing water Withdrawn - After Issue CN203159634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013200975214U CN203159634U (en) 2013-03-04 2013-03-04 Multi-flow heat exchanger for blast furnace slag washing water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200975214U CN203159634U (en) 2013-03-04 2013-03-04 Multi-flow heat exchanger for blast furnace slag washing water

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103134359A (en) * 2013-03-04 2013-06-05 天津华赛尔传热设备有限公司 Blast furnace cinder flushing water multipath heat exchanger
CN105806107A (en) * 2014-12-31 2016-07-27 天津华赛尔传热设备有限公司 Sediment flushing water heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103134359A (en) * 2013-03-04 2013-06-05 天津华赛尔传热设备有限公司 Blast furnace cinder flushing water multipath heat exchanger
CN103134359B (en) * 2013-03-04 2014-10-29 天津华赛尔传热设备有限公司 Blast furnace cinder flushing water multipath heat exchanger
CN105806107A (en) * 2014-12-31 2016-07-27 天津华赛尔传热设备有限公司 Sediment flushing water heat exchanger

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130828

Effective date of abandoning: 20141029

RGAV Abandon patent right to avoid regrant