CN111485076B - Oxide skin circulation processing system - Google Patents

Oxide skin circulation processing system Download PDF

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Publication number
CN111485076B
CN111485076B CN202010370635.6A CN202010370635A CN111485076B CN 111485076 B CN111485076 B CN 111485076B CN 202010370635 A CN202010370635 A CN 202010370635A CN 111485076 B CN111485076 B CN 111485076B
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China
Prior art keywords
chamber
cavity
magnetic
scale
water inlet
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CN202010370635.6A
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CN111485076A (en
Inventor
陈世平
关宏强
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Changshu Longteng Liao'an Machinery Co.,Ltd.
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Suzhou Liao'an Machinery Co ltd
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The application relates to the field of heat treatment auxiliary equipment, in particular to an oxide scale circulation treatment system. The device comprises a circulating water tank, a water suction pump and a circulating treatment system, wherein the circulating water tank comprises a first chamber and a second chamber, the second chamber is arranged above the first chamber, the first chamber is communicated with the second chamber, an oxide skin boat is arranged in the second chamber, the water suction pump is arranged in the first chamber, the water suction pump is connected with a first pipeline for conveying liquid to a quenching machine, the quenching machine is connected with a second pipeline, a second filter screen is arranged at an inlet of the second pipeline, and a magnetic separator is connected onto the second pipeline. The application has the advantages that: the cleaning efficiency of oxide skin fragments can be improved, the cleaning without stopping is realized, the frequency of stopping cleaning is reduced, and the quenching efficiency of products is further improved.

Description

Oxide skin circulation processing system
Technical Field
The application relates to the field of heat treatment auxiliary equipment, in particular to an oxide scale circulation treatment system.
Background
The scale is also called iron scale and iron scale, and is characterized in that an oxide layer is formed on the contact part of the surface of steel and air in the heat treatment process, especially in the quenching process, and the appearance of the peeled scale is characterized by that the scale is formed by rigid gray fragments, gray black fine particles and powder, the fragments show metallic luster, and the fragments have brittleness and the fracture is porous.
The scale of the heat treatment line is preferably cleaned monthly from the standpoint of process requirements, but each cleaning requires a longer downtime. On the one hand, continuous operation inevitably generates a large amount of oxide skin, if shutdown arrangement personnel clean, two groups of more than ten persons are needed, the continuous operation is carried out for about 48 hours, and in a limited space, the operation is not good, and the safety risk exists; the water cannot be discharged, and the environment protection risk exists; on the other hand, the heat treatment furnace has better heat preservation property, and in order to ensure the service life of the furnace roller and reduce deformation as much as possible, the furnace roller is generally heated and cooled according to a certain rule, and the temperature is heated for 12 hours after each time from about 900 ℃ to about 200 ℃; in the process of temperature rise and fall, the heat treatment of the workpiece cannot be performed; but the power supply needs to be started, the furnace roller cannot be stopped, and the energy consumption is high.
Therefore, a treatment system is needed to reduce the scale cleaning frequency of the heat treatment line, reduce the shutdown of the heat treatment line and improve the operation efficiency of the heat treatment line.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the application provides an oxide scale circulation treatment system which can effectively remove oxide scale generated in heat treatment, particularly quenching treatment.
The embodiment of the application discloses: the utility model provides an oxide skin circulation processing system, includes circulation water tank, suction pump and circulation processing system, circulation water tank includes first cavity and second cavity, the second cavity sets up the top of first cavity, first cavity with the second cavity intercommunication, be provided with the oxide skin boat in the second cavity, the suction pump sets up in the first cavity, the suction pump is connected with the first pipeline that carries liquid to the quenching machine, the quenching machine is connected with the second pipeline the entrance of second pipeline is provided with the second filter screen, be connected with magnetic separator on the second pipeline, magnetic separator's input and the output intercommunication of second pipeline, magnetic separator's output with the second cavity intercommunication.
Further, the magnetic separator comprises a rectangular body in a cavity shape, a water inlet is formed in one side of the body, a magnetic roller is arranged in front of the water inlet, an arc-shaped plate is arranged below the magnetic roller, a water flow channel is formed between the arc-shaped plate and the magnetic roller, the water flow channel is connected with a water outlet channel, a rubber roller is arranged above the magnetic roller, which is close to the water inlet, a gap for passing through magnetic fragments is formed between the magnetic roller and the rubber roller, a scraping plate component for scraping the magnetic fragments adsorbed on the magnetic roller is further arranged in front of the magnetic roller, the magnetic roller rotates anticlockwise, the rotating direction of the rubber roller is opposite to the rotating direction of the magnetic roller, and a buffer mechanism is connected to the water inlet.
Further, the scraper assembly comprises a scraper body and a discharging channel formed on the scraper body, and the scraper body is obliquely arranged downwards relative to the upper surface of the rectangular body.
Further, the buffer mechanism comprises a water inlet channel and a buffer baffle plate arranged in the water inlet channel, wherein the buffer baffle plate and the water inlet channel form a buffer channel therebetween, the bottom of the water inlet channel is provided with a slope, and the inclination direction of the slope is opposite to the water inlet direction.
Further, the discharging channel is provided with a discharging hole, and a dust box for storing magnetic fragments is arranged below the discharging hole.
Further, a first filter screen is arranged in the circulating water tank, and the first filter screen is arranged between the first chamber and the second chamber.
Further, the circulation treatment system comprises a first circulation pipe, a cooling tower and a second circulation pipe which are sequentially connected, wherein the input end of the first circulation pipe is communicated with the first chamber, and the output end of the second circulation pipe is communicated with the first chamber.
Further, the small oxidized scale ship is connected with hoisting iron chains, the hoisting iron chains are connected to four corners of the small oxidized scale ship, grooves matched with the small oxidized scale ship are formed in the second cavity, and the small oxidized scale ship is placed in the grooves.
Further, a valve is arranged on the second pipeline.
The beneficial effects of the application are as follows: according to the application, the liquid is extracted by the water pump to quench the product, the oxide skin fragments are firstly subjected to preliminary treatment by the second filter screen arranged at the inlet of the second pipeline, then the residual oxide skin fragments flow into the magnetic separator along with the wastewater, the magnetic fragments in the oxide skin fragments are subjected to preliminary treatment by the magnetic separator, then the treated wastewater enters the second chamber, and then the residual oxide skin fragments in the wastewater are deposited in the oxide skin boat under the action of gravity, so that the cleaning efficiency of the oxide skin fragments can be improved, the cleaning without shutdown is realized, the frequency of shutdown cleaning is reduced, and the quenching efficiency of the product is further improved; in addition, the circulation treatment system comprises a first circulation pipe, a cooling tower and a second circulation pipe which are sequentially connected, the input end of the first circulation pipe is communicated with the first chamber, quenching water can be cooled through the arrangement of the cooling tower, the quenching continuity is ensured, the shutdown frequency is further reduced, and the quenching continuity and reliability are ensured.
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic diagram of the magnetic separator of FIG. 2;
fig. 4 is a schematic view of the internal structure of fig. 3.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 and 2, an oxide scale circulation treatment system in a preferred embodiment of the present application is shown, and includes a circulation tank 1, a water pump 2 and a circulation treatment system 3, where the circulation tank 1 includes a first chamber 11 and a second chamber 12, the second chamber 13 is disposed above the first chamber 11, the first chamber 11 is in communication with the second chamber 12, the first chamber 11 is in communication with the third chamber 13, a plurality of oxide scale boats 4 are disposed in the second chamber 12, the water pump 2 is disposed in the first chamber 11, the water pump 2 is connected with a first pipe 21 for delivering liquid to a quenching machine 5, the quenching machine 5 is connected with a second pipe 22, a second filter screen 221 is disposed at an inlet of the second pipe, the second pipe 22 is connected with a magnetic separator 6, an input end of the magnetic separator 6 is in communication with an output end of the second pipe 22, and an output end of the magnetic separator 6 is in communication with the second chamber 12. In practical implementation, a valve (not shown) is disposed on the second pipe 22, so that the size and the water flow stability of the wastewater flowing through the second pipe 22 can be conveniently adjusted by the valve.
The liquid is extracted through the water suction pump 2 to quench the product, during quenching, the oxide skin fragments on the surface of the product are firstly subjected to preliminary treatment through the second filter screen 221 arranged at the inlet of the second pipeline 22, then the residual oxide skin fragments flow into the magnetic separator 6 along with the wastewater, the magnetic fragments in the oxide skin fragments are subjected to preliminary treatment by the magnetic separator 6, then the treated wastewater enters the second chamber 12, and then the residual oxide skin fragments in the wastewater are deposited in the oxide skin boat 4, so that the cleaning efficiency of the oxide skin fragments can be improved, the cleaning without stopping is realized, the frequency of the cleaning without stopping is reduced, and the quenching efficiency of the product is further improved.
Referring to fig. 3 and 4, in the above embodiment, the magnetic separator 6 includes a rectangular body 61 having a chamber shape, a water inlet 62 is provided at one side of the body, a magnet roller 63 is provided in front of the water inlet 62, an arc plate 64 is provided below the magnet roller 63, a water flow channel 631 is formed between the arc plate 64 and the magnet roller 63, the water flow channel 631 is connected with a water outlet channel 632, a rubber roller 65 is provided above the magnet roller 63 near the water inlet 62, a gap for passing magnetic fragments is formed between the magnet roller 63 and the rubber roller 65, a scraper assembly 66 for scraping the magnetic fragments adsorbed on the magnet roller 65 is further provided in front of the magnet roller 63, the magnet roller 63 rotates counterclockwise, a rotation direction of the rubber roller 65 is opposite to that of the magnet roller 63, and a buffer mechanism 67 is connected at the water inlet 62.
Referring to fig. 3 and 4, in the above embodiment, the scraper assembly 66 includes a scraper body 661 and a discharge passage 662 formed on the scraper body 661, the scraper body 661 is disposed to be inclined downward with respect to the upper surface of the rectangular body 661, the discharge passage 662 has a discharge port 663, and a dust box 7 for storing magnetic chips is disposed below the discharge port 663. The magnetic chips adsorbed on the magnetic roller are removed by the scraper body 661, and then guided into the dust box 7 by the discharge channel 662, and recovered.
Referring to fig. 3 and 4, in the above-described embodiment, the buffer mechanism 67 includes a water inlet passage 671 and a buffer baffle 672 provided in the water inlet passage 671, a buffer passage 673 is formed between the buffer baffle 672 and the water inlet passage 671, a slope 674 is provided at the bottom of the water inlet passage 671, and the slope 674 is inclined in the opposite direction to the water inlet direction. Through the slope 674 and the setting of buffering baffle 672, can reduce the velocity of flow of waste water, make rivers mild for magnet roll 63 can adsorb more magnetism fragments, improves the clearance efficiency to the oxide skin fragment.
Referring to fig. 1 and 2, in the above embodiment, a first filter 13 is disposed in the circulation tank 1, and the first filter 13 is disposed between the first chamber 11 and the second chamber 12.
Referring to fig. 1 and 2, in the foregoing embodiment, the circulation processing system 3 includes a first circulation pipe 31, a cooling tower 32, and a second circulation pipe 33 that are sequentially connected, where an input end of the first circulation pipe 31 is communicated with the first chamber 11, and an output end of the second circulation pipe 33 is communicated with the first chamber 11, and cooling water for quenching can be cooled by setting the cooling tower 32, so as to ensure continuity of quenching, further reduce shutdown frequency, and ensure continuity and reliability of quenching.
Referring to fig. 1 and 2, in the above embodiment, the scale boat 4 is connected with hoisting iron chains 41, the hoisting iron chains 41 are connected at four corners of the scale boat, grooves matching the scale boat are formed in the second chamber, and the scale boat is placed in the grooves. The scale boat 4 can be lifted in the quenching treatment process, and under the condition of no shutdown, the scale deposited in the scale boat 4 is cleaned, so that the shutdown frequency is reduced.
The principles and embodiments of the present application have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims (9)

1. An oxide scale circulation processing system, which is characterized in that: including circulation tank, suction pump and circulation processing system, circulation tank includes first cavity and second cavity, the second cavity sets up first cavity top, first cavity with the second cavity intercommunication, be provided with the oxide skin boat in the second cavity, the suction pump sets up in the first cavity, the suction pump is connected with the first pipeline with liquid delivery to the quenching machine, the quenching machine is connected with the second pipeline the entrance of second pipeline is provided with the second filter screen, be connected with magnetic separator on the second pipeline, magnetic separator's input and the output intercommunication of second pipeline, magnetic separator's output with the second cavity intercommunication.
2. The scale circulation treatment system according to claim 1, wherein: the magnetic separator comprises a rectangular body in a cavity shape, a water inlet is formed in one side of the body, a magnetic roller is arranged in front of the water inlet, an arc-shaped plate is arranged below the magnetic roller, a water flow channel is formed between the arc-shaped plate and the magnetic roller, the water flow channel is connected with a water outlet channel, a rubber roller is arranged above the magnetic roller, which is close to the water inlet, a gap for passing through magnetic fragments is formed between the magnetic roller and the rubber roller, a scraping plate component for scraping the magnetic fragments adsorbed on the magnetic roller is further arranged in front of the magnetic roller, the magnetic roller rotates anticlockwise, the rotating direction of the rubber roller is opposite to the rotating direction of the magnetic roller, and a buffer mechanism is connected to the water inlet.
3. The scale circulation treatment system according to claim 2, wherein: the scraper assembly comprises a scraper body and a discharging channel formed on the scraper body, and the scraper body is obliquely arranged downwards relative to the upper surface of the rectangular body.
4. The scale circulation treatment system according to claim 2, wherein: the buffer mechanism comprises a water inlet channel and a buffer baffle plate arranged in the water inlet channel, wherein the buffer baffle plate and the water inlet channel form a buffer channel therebetween, the bottom of the water inlet channel is provided with a slope, and the inclination direction of the slope is opposite to the water inlet direction.
5. A scale circulation treatment system according to claim 3, wherein: the discharging channel is provided with a discharging hole, and a dust collection box for storing magnetic fragments is arranged below the discharging hole.
6. The scale circulation treatment system according to claim 1, wherein: the circulating water tank is internally provided with a first filter screen, and the first filter screen is arranged between the first chamber and the second chamber.
7. The scale circulation treatment system according to claim 1, wherein: the circulating treatment system comprises a first circulating pipe, a cooling tower and a second circulating pipe which are sequentially connected, wherein the input end of the first circulating pipe is communicated with the first chamber, and the output end of the second circulating pipe is communicated with the first chamber.
8. The scale circulation treatment system according to claim 1, wherein: the small oxidized scale boat is connected with hoisting iron chains, the hoisting iron chains are connected to four corners of the small oxidized scale boat, grooves matched with the small oxidized scale boat are formed in the second cavity, and the small oxidized scale boat is placed in the grooves.
9. The scale circulation treatment system according to claim 1, wherein: and a valve is arranged on the second pipeline.
CN202010370635.6A 2020-05-06 2020-05-06 Oxide skin circulation processing system Active CN111485076B (en)

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CN202010370635.6A CN111485076B (en) 2020-05-06 2020-05-06 Oxide skin circulation processing system

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Application Number Priority Date Filing Date Title
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CN111485076B true CN111485076B (en) 2023-09-08

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012024721A (en) * 2010-07-26 2012-02-09 Sumitomo Metal Ind Ltd Method for recovering scale, and heat treatment furnace of steel using the same
KR20140080344A (en) * 2012-12-20 2014-06-30 주식회사 포스코 Device for removing scale of slab
CN105149086A (en) * 2015-09-02 2015-12-16 江苏兴达钢帘线股份有限公司 Magnetic adsorption and filtration device applied to high-pressure washing water
CN206824401U (en) * 2017-06-30 2018-01-02 山东盛阳金属科技股份有限公司 A kind of broadband stainless steel clad plate integrated casting and rolling production line oxide skin clears device
CN209953374U (en) * 2019-05-20 2020-01-17 常州思越自动化科技有限公司 Ultrahigh-pressure water dephosphorization equipment
CN212713639U (en) * 2020-05-06 2021-03-16 苏州辽鞍机械有限公司 Oxide skin circulating treatment system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012024721A (en) * 2010-07-26 2012-02-09 Sumitomo Metal Ind Ltd Method for recovering scale, and heat treatment furnace of steel using the same
KR20140080344A (en) * 2012-12-20 2014-06-30 주식회사 포스코 Device for removing scale of slab
CN105149086A (en) * 2015-09-02 2015-12-16 江苏兴达钢帘线股份有限公司 Magnetic adsorption and filtration device applied to high-pressure washing water
CN206824401U (en) * 2017-06-30 2018-01-02 山东盛阳金属科技股份有限公司 A kind of broadband stainless steel clad plate integrated casting and rolling production line oxide skin clears device
CN209953374U (en) * 2019-05-20 2020-01-17 常州思越自动化科技有限公司 Ultrahigh-pressure water dephosphorization equipment
CN212713639U (en) * 2020-05-06 2021-03-16 苏州辽鞍机械有限公司 Oxide skin circulating treatment system

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Effective date of registration: 20231207

Address after: 215500 No.118, Hualian Road, Tonggang Industrial Park, Meili Town, Changshu City, Suzhou City, Jiangsu Province

Patentee after: Changshu Longteng Liao'an Machinery Co.,Ltd.

Address before: 215000 No.28 Zhongcheng Road, Tonggang Industrial Park, Meili Town, Changshu City, Suzhou City, Jiangsu Province

Patentee before: Suzhou Liao'an Machinery Co.,Ltd.