CN108486581A - A kind of waste and old steel plate recycling method - Google Patents
A kind of waste and old steel plate recycling method Download PDFInfo
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- CN108486581A CN108486581A CN201810191405.6A CN201810191405A CN108486581A CN 108486581 A CN108486581 A CN 108486581A CN 201810191405 A CN201810191405 A CN 201810191405A CN 108486581 A CN108486581 A CN 108486581A
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- steel plate
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of waste and old steel plate recycling methods,Change traditional steel plate recycling method,Waste and old steel plate is cleaned first,There to be the waste and old steel plate of apparent open defect to come out respectively,As waste disposal,The waste and old steel plate of unapparent open defect is come out respectively,It collects spare,It is further processed,Steel plate can be utilized to the greatest extent,Save steel plate resource,Pass through the method for derusting by sandblasting and acid pickling and rust removing,The iron rust of surface of steel plate is removed,Recycle feed mechanism that plank is delivered to the input terminal of appliance body,Mechanical feed,Reduce labor intensity,Uniform feeding,Straightening processing is carried out to steel plate,It finally will be zinc-plated on the surface of steel plate,Slow down steel plate corrosion,The service life of extending steel plate,It is improved compared to traditional handicraft,Steel plate utilization ratio significantly,It economizes on resources,The requirement of compound sustainable development.
Description
Technical field
The invention belongs to steel plate recovery technology fields, more specifically more particularly to a kind of waste and old steel plate recycling
Method.
Background technology
Steel plate has prodigious covering and containing ability, can be used as roof boarding, covers material and manufacture container, oil storage tank, packet
Vanning, railroad car, automobile case, industrial furnace shell etc..It can be cut out and combine by requirement, various structures are made
Part and machine components may also be fabricated which welding shaped steel, further expand the use scope of steel plate.It can be bent and strike out
Boiler, container, punching automobile case, civilian vessel, utensil, the blank for also acting as welded still pipe, cold-rolled forming section is made in type.
Due to These characteristics, make 50% or more of steel total output.China is the needs for adapting to extensive capital construction, past industry production
Product and high-priced consumer durable, the requirement sharp increase to steel plate.It is the China Xie Nian steel plate to adapt to the needs of new situations development
Production there has also been developing on a large scale very much, and built up as the advanced Plate Production leading enterprise of a batch such as Wuhan Iron and Steel Plant.Steel plate at or at
Volume supply.It is indicated with the millimeter of thickness * width * length at the specification of steel plate.Be familiar with the specification of plate, band, in width and
It is made full use of in length, to improving stock utilization, reduces unsuitable tailing, reduces working hour and product cost, there is ten
Divide important meaning.
The recyclable recycling of steel plate, this has very great significance to sustainable development tool, and traditional steel plate recycles
Rate is low, causes the prodigious wasting of resources, has significant limitation, and it is next now to lack a kind of waste and old steel plate recycling method
It solves the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of waste and old steel plate recycling proposed is again
Utilize method.
To achieve the above object, the present invention provides the following technical solutions：A kind of waste and old steel plate recycling provided by the invention is again
Using method, following production stage is specifically included：
S1：The preparation of waste and old steel plate：Waste and old steel plate is recycled on the market, and collection is spare, it is further processed；
S2：The cleaning of waste and old steel plate：Steel plate is placed on supporting rack, and the surface of steel plate is rushed using giant
It washes, the impurity of surface of steel plate and dust is rinsed well, collection is spare, it is further processed；
S3：The pretreatment of waste and old steel plate：The waste and old steel plate being collected into step S1 is pre-processed, operating personnel are to useless
Old steel plate is observed one by one, according to the observation as a result, will have the waste and old steel plate of apparent open defect to come out respectively, at waste material
Reason, the waste and old steel plate of unapparent open defect is come out respectively, and collection is spare, it is further processed；
S4：The preliminary derusting of waste and old steel plate：It is tentatively derusted to the waste and old steel plate for collecting spare in step S3, it will be waste and old
Steel plate is placed on supporting rack, is tentatively derusted to steel plate using derusting by sandblasting equipment, by the block-like iron rust of waste and old surface of steel plate
It removes, collection is spare, it is further processed；
S5：The cleaning again of waste and old steel plate：It is placed in spare steel plate is collected in step S4 on supporting rack, and utilizes high pressure
Hydraulic giant is rinsed the surface of steel plate, and the impurity of surface of steel plate and dust are rinsed well, then utilizes air-heater to rinsing
Processing is dried in steel plate after completion, and the discharge pipe of air-heater is made to be directed at the surface of steel plate, the heat bloated by air-heater
Wind quickly makes the dry tack free of steel plate, and collection is spare, it is further processed；
S6：Waste and old steel plate is selected：The waste and old steel plate being collected into step S5 is selected, operating personnel are to waste and old steel
Plate is observed one by one, according to the observation as a result, will there is the waste and old steel plate of apparent open defect to come out respectively, as waste disposal,
The waste and old steel plate of unapparent open defect is come out respectively, collection is spare, it is further processed；
S7：The derusting again of waste and old steel plate：It is derusted again to the waste and old steel plate for collecting spare in step S6, waste and old steel
In the acid pickling and rust removing of plate, the configuration concentration of pickle is 4%, and the time control of acid pickling and rust removing is in the time between 0.5h-0.7h；
S8：Cleaning residual sulfuric acid：Material in step S7 is cleaned, the surface of material is carried out using giant
It rinsing, the remaining sulfuric acid of surface of material is rinsed well, processing is dried in the material washed into later that liquidated using air-heater,
The discharge pipe of air-heater is set to be directed at material, the hot wind bloated by air-heater quickly makes the dry tack free of material, and collect standby
With it is further processed；
S9：The aligning of waste and old steel plate：Material in step S8 is aligned, is delivered to plank using feed mechanism strong
Control the input terminal of mechanism, mechanical feed reduces labor intensity, and uniform feeding carries out straightening processing to steel plate, and collect it is spare,
It is further processed；
S10：Waste and old steel plate it is zinc-plated：It is zinc-plated to the waste and old steel plate progress being collected into step S9, in the surface shape of steel plate
At one layer of protection film, slow down steel plate corrosion, the service life of extending steel plate, and collect spare, it is further processed；
S11：Examine and protect dress：Dress is tested and protects to the material being collected into step S10.
Preferably, in the cleaning of the waste and old steel plates of step S2, the pressure of giant will give up between 5Mpa-6Mpa
The impurity and dust of old surface of steel plate are rinsed well, the observation of personnel's next step easy to operation.
Preferably, in the preliminary derusting of the waste and old steel plates of step S4, the pressure of derusting by sandblasting equipment is in 10Mpa-12Mpa
Between, the derusting time, the particle diameter for the steel sand that derusts was no more than 5mm between 30min-45min.
Preferably, in the preliminary derusting of the waste and old steel plates of step S4, positive and negative and edge to waste and old steel plate into
Row derusting.
Preferably, in the step S8 cleanings residual sulfuric acid, the pressure of giant is between 5Mpa-6Mpa, by material
The sulfuric acid of remained on surface is rinsed well, and contaminated material is prevented, convenient for operating in next step.
Preferably, it in the straightening processing of the waste and old steel plates of step S9, is aligned step by step using straightening roll, avoids plank
It causes to damage because deformation is excessive.
Preferably, waste and old steel plates of step S10 it is zinc-plated in, the thickness of steel plate is more than or equal to 6 millimeters, zinc coat
Average thickness is more than 85 microns；The thickness of steel plate is less than 6 millimeters and is more than 3 millimeters, and zinc coat average thickness is more than 70 microns；Steel
The thickness of plate is less than 3 millimeters and is more than 1.5 millimeters, and average thickness is more than 55 microns.
Preferably, the step S11 is examined and is protected during dress, is carried out to material using ultrasonic examination technology lossless
It detects a flaw, when can penetrate the depths of material material using ultrasound, and enter another section by a section, is reflected in interface edge
The characteristics of check material defect, when ultrasonic beam is passed to by popping one's head in inside material from piece surface, encounter defect and part bottom
Back wave just occurs when face respectively, forms impulse waveform on fluorescent screen, according to these impulse waveforms come judge defective locations and
Whether size, detection material have damage, for there is the material of damage, carry out scrapping recovery processing, for the qualified production of detection
Product are directly packed.
The technique effect and advantage of the present invention：A kind of waste and old steel plate recycling method of the present invention, changes traditional steel
Plate recycling method, first cleans waste and old steel plate, will have the waste and old steel plate of apparent open defect to come out respectively, makees
For waste disposal, the waste and old steel plate of unapparent open defect is come out respectively, collection is spare, it is further processed,
Steel plate can be utilized to the greatest extent, steel plate resource is saved, by the method for derusting by sandblasting and acid pickling and rust removing, by steel plate
The iron rust on surface is removed, and recycles feed mechanism that plank is delivered to the input terminal of appliance body, and it is strong to reduce labour for mechanical feed
Degree, uniform feeding carry out straightening processing to steel plate, finally will be zinc-plated on the surface of steel plate, slow down steel plate corrosion, extending steel plate
Service life is improved compared to traditional handicraft, significantly steel plate utilization ratio, is economized on resources, the requirement of compound sustainable development.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
A kind of waste and old steel plate recycling method provided by the invention, specifically includes following production stage：
S1：The preparation of waste and old steel plate：Waste and old steel plate is recycled on the market, and collection is spare, it is further processed；
S2：The cleaning of waste and old steel plate：Steel plate is placed on supporting rack, and the surface of steel plate is rushed using giant
It washes, the impurity of surface of steel plate and dust is rinsed well, the pressure of giant is between 5Mpa-6Mpa, by waste and old steel plate table
The impurity and dust in face are rinsed well, the observation of personnel's next step easy to operation, and collection is spare, it is further processed；
S3：The pretreatment of waste and old steel plate：The waste and old steel plate being collected into step S1 is pre-processed, operating personnel are to useless
Old steel plate is observed one by one, according to the observation as a result, will have the waste and old steel plate of apparent open defect to come out respectively, at waste material
Reason, the waste and old steel plate of unapparent open defect is come out respectively, and collection is spare, it is further processed；
S4：The preliminary derusting of waste and old steel plate：It is tentatively derusted to the waste and old steel plate for collecting spare in step S3, it will be waste and old
Steel plate is placed on supporting rack, is tentatively derusted to steel plate using derusting by sandblasting equipment, by the block-like iron rust of waste and old surface of steel plate
It removes, the pressure of derusting by sandblasting equipment is between 10Mpa-12Mpa, and the derusting time, derusted steel sand between 30min-45min
Particle diameter is no more than 5mm, and positive and negative and edge to waste and old steel plate derust, and collection is spare, is carried out to it next
Step processing；
S5：The cleaning again of waste and old steel plate：It is placed in spare steel plate is collected in step S4 on supporting rack, and utilizes high pressure
Hydraulic giant is rinsed the surface of steel plate, and the impurity of surface of steel plate and dust are rinsed well, then utilizes air-heater to rinsing
Processing is dried in steel plate after completion, and the discharge pipe of air-heater is made to be directed at the surface of steel plate, the heat bloated by air-heater
Wind quickly makes the dry tack free of steel plate, and collection is spare, it is further processed；
S6：Waste and old steel plate is selected：The waste and old steel plate being collected into step S5 is selected, operating personnel are to waste and old steel
Plate is observed one by one, according to the observation as a result, will there is the waste and old steel plate of apparent open defect to come out respectively, as waste disposal,
The waste and old steel plate of unapparent open defect is come out respectively, collection is spare, it is further processed；
S7：The derusting again of waste and old steel plate：It is derusted again to the waste and old steel plate for collecting spare in step S6, waste and old steel
In the acid pickling and rust removing of plate, the configuration concentration of pickle is 4%, and the time control of acid pickling and rust removing is in the time between 0.5h-0.7h；
S8：Cleaning residual sulfuric acid：Material in step S7 is cleaned, the surface of material is carried out using giant
It rinsing, the remaining sulfuric acid of surface of material is rinsed well, processing is dried in the material washed into later that liquidated using air-heater,
The discharge pipe of air-heater is set to be directed at material, the hot wind bloated by air-heater quickly makes the dry tack free of material, giant
Pressure between 5Mpa-6Mpa, the remaining sulfuric acid of surface of material is rinsed well, contaminated material is prevented, convenient in next step grasp
Make, and collect spare, it is further processed；
S9：The aligning of waste and old steel plate：Material in step S8 is aligned, is delivered to plank using feed mechanism strong
Control the input terminal of mechanism, mechanical feed reduces labor intensity, and uniform feeding carries out straightening processing to steel plate, using straightening roll into
Row is aligned step by step, and plank is avoided to cause to damage because deformation is excessive, and collects spare, it is further processed；
S10：Waste and old steel plate it is zinc-plated：It is zinc-plated to the waste and old steel plate progress being collected into step S9, in the surface shape of steel plate
At one layer of protection film, the thickness of steel plate is greater than or equal to 6 millimeters, and zinc coat average thickness is more than 85 microns；The thickness of steel plate
Degree is less than 6 millimeters and is more than 3 millimeters, and zinc coat average thickness is more than 70 microns；The thickness of steel plate is less than 3 millimeters and is more than 1.5 millis
Rice, average thickness is more than 55 microns, slows down steel plate corrosion, the service life of extending steel plate, and collects spare, is carried out down to it
The processing of one step；
S11：Examine and protect dress：Dress is tested and protected to the material being collected into step S10, utilizes ultrasonic examination skill
Art to carry out nondestructive inspection to material, when can penetrate the depths of material material using ultrasound, and enter another section by a section,
Material defect is checked the characteristics of interface edge reflects, when ultrasonic beam is passed to by popping one's head in material from piece surface
Portion just occurs back wave when encountering defect with part bottom surface, impulse waveform is formed on fluorescent screen, according to these impulse waves respectively
Shape judges defective locations and size, and whether detection material has damage, for there is the material of damage, scrap at recycling
Reason directly packs the qualified product of detection.
In summary：A kind of waste and old steel plate recycling method of the present invention, changes traditional steel plate recycling side
Method first cleans waste and old steel plate, will have the waste and old steel plate of apparent open defect to come out respectively, will as waste disposal
There is no the waste and old steel plate of apparent open defect to come out respectively, collection is spare, is further processed, can be carried out to steel plate to it
It utilizes to the greatest extent, saves steel plate resource, it is by the method for derusting by sandblasting and acid pickling and rust removing, the iron rust of surface of steel plate is clear
It removing, recycles feed mechanism that plank is delivered to the input terminal of appliance body, mechanical feed reduces labor intensity, uniform feeding,
Straightening processing is carried out to steel plate, finally will be zinc-plated on the surface of steel plate, slow down steel plate corrosion, the service life of extending steel plate, phase
It is improved, significantly steel plate utilization ratio, economizes on resources than traditional handicraft, the requirement of compound sustainable development.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of waste and old steel plate recycling method, it is characterised in that：Specifically include following production stage：
S1：The preparation of waste and old steel plate：Waste and old steel plate is recycled on the market, and collection is spare, it is further processed；
S2：The cleaning of waste and old steel plate：Steel plate is placed on supporting rack, and the surface of steel plate is rinsed using giant,
The impurity of surface of steel plate and dust are rinsed well, collection is spare, it is further processed；
S3：The pretreatment of waste and old steel plate：The waste and old steel plate being collected into step S1 is pre-processed, operating personnel are to waste and old steel
Plate is observed one by one, according to the observation as a result, will there is the waste and old steel plate of apparent open defect to come out respectively, as waste disposal,
The waste and old steel plate of unapparent open defect is come out respectively, collection is spare, it is further processed；
S4：The preliminary derusting of waste and old steel plate：It is tentatively derusted to the waste and old steel plate for collecting spare in step S3, by waste and old steel plate
It is placed on supporting rack, is tentatively derusted to steel plate using derusting by sandblasting equipment, the block-like iron rust of waste and old surface of steel plate is removed,
It collects spare, it is further processed；
S5：The cleaning again of waste and old steel plate：It is placed in spare steel plate is collected in step S4 on supporting rack, and utilizes giant
The surface of steel plate is rinsed, the impurity of surface of steel plate and dust are rinsed well, then being liquidated using air-heater is washed into
Processing is dried in steel plate later, so that the discharge pipe of air-heater is directed at the surface of steel plate, by the hot wind of air-heater bulging, soon
The dry tack free for making steel plate of speed, collection is spare, it is further processed；
S6：Waste and old steel plate is selected：The waste and old steel plate being collected into step S5 is selected, operating personnel to waste and old steel plate by
One is observed, and according to the observation as a result, will have the waste and old steel plate of apparent open defect to come out respectively, as waste disposal, will not had
There is the waste and old steel plate of apparent open defect to come out respectively, collection is spare, it is further processed；
S7：The derusting again of waste and old steel plate：It is derusted again to the waste and old steel plate for collecting spare in step S6, waste and old steel plate
In acid pickling and rust removing, the configuration concentration of pickle is 4%, and the time control of acid pickling and rust removing is in the time between 0.5h-0.7h；
S8：Cleaning residual sulfuric acid：Material in step S7 is cleaned, the surface of material is rushed using giant
It washes, the remaining sulfuric acid of surface of material is rinsed well, processing is dried in the material washed into later that liquidated using air-heater, makes
The discharge pipe of air-heater is directed at material, and the hot wind bloated by air-heater quickly makes the dry tack free of material, and collect standby
With it is further processed；
S9：The aligning of waste and old steel plate：Material in step S8 is aligned, plank is delivered to the machine of rescuing using feed mechanism
The input terminal of structure, mechanical feed, reduce labor intensity, uniform feeding, to steel plate carry out straightening processing, and collect it is spare, to it
It is further processed；
S10：Waste and old steel plate it is zinc-plated：Zinc-plated, the formation one on the surface of steel plate is carried out to the waste and old steel plate being collected into step S9
Layer protection film, slows down steel plate corrosion, the service life of extending steel plate, and collect spare, it is further processed；
S11：Examine and protect dress：Dress is tested and protects to the material being collected into step S10.
2. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S2 is waste and old
In the cleaning of steel plate, the pressure of giant rinses the impurity of waste and old surface of steel plate and dust dry between 5Mpa-6Mpa
Only, the observation of personnel's next step easy to operation.
3. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S4 is waste and old
Steel plate it is preliminary derusting in, the pressure of derusting by sandblasting equipment between 10Mpa-12Mpa, derusting the time 30min-45min it
Between, the particle diameter for the steel sand that derusts is no more than 5mm.
4. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S4 is waste and old
In the preliminary derusting of steel plate, positive and negative and edge to waste and old steel plate derust.
5. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S8 cleanings
It remains in sulfuric acid, the remaining sulfuric acid of surface of material is rinsed well between 5Mpa-6Mpa, prevent dirt by the pressure of giant
Material is contaminated, convenient for operating in next step.
6. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S9 is waste and old
In the straightening processing of steel plate, is aligned step by step using straightening roll, plank is avoided to cause to damage because deformation is excessive.
7. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S10 is useless
Old steel plate it is zinc-plated in, more than or equal to 6 millimeters, zinc coat average thickness is more than 85 microns for the thickness of steel plate；The thickness of steel plate
Degree is less than 6 millimeters and is more than 3 millimeters, and zinc coat average thickness is more than 70 microns；The thickness of steel plate is less than 3 millimeters and is more than 1.5 millis
Rice, average thickness is more than 55 microns.
8. a kind of waste and old steel plate recycling method according to claim 1, it is characterised in that：The step S11 inspections
It tests and protects during dress, nondestructive inspection is carried out to material using ultrasonic examination technology, material material can be penetrated using ultrasound
Depths, and by a section enter another section when, material defect is checked the characteristics of interface edge reflects, works as ultrasound
Wave beam is passed to by popping one's head in inside material from piece surface, back wave just occurs respectively when encountering defect with part bottom surface, in fluorescence
Impulse waveform is formed on screen, judges whether defective locations and size, detection material have damage according to these impulse waveforms, for
It there are the material of damage, carries out scrapping recovery processing, for the qualified product of detection, directly be packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191405.6A CN108486581A (en) | 2018-03-08 | 2018-03-08 | A kind of waste and old steel plate recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191405.6A CN108486581A (en) | 2018-03-08 | 2018-03-08 | A kind of waste and old steel plate recycling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108486581A true CN108486581A (en) | 2018-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810191405.6A Pending CN108486581A (en) | 2018-03-08 | 2018-03-08 | A kind of waste and old steel plate recycling method |
Country Status (1)
| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478612A (en) * | 2003-07-21 | 2004-03-03 | 中国家用电器研究院 | Recovery and treatment method of waste refrigerator box body steel plate |
| CN105543845A (en) * | 2015-12-28 | 2016-05-04 | 常熟市浩然精工机械制造有限公司 | Surface treatment technique for metal plate |
-
2018
- 2018-03-08 CN CN201810191405.6A patent/CN108486581A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478612A (en) * | 2003-07-21 | 2004-03-03 | 中国家用电器研究院 | Recovery and treatment method of waste refrigerator box body steel plate |
| CN105543845A (en) * | 2015-12-28 | 2016-05-04 | 常熟市浩然精工机械制造有限公司 | Surface treatment technique for metal plate |
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