CN109852747A - A kind of gate-type tank truck and control method - Google Patents
A kind of gate-type tank truck and control method Download PDFInfo
- Publication number
- CN109852747A CN109852747A CN201811511347.7A CN201811511347A CN109852747A CN 109852747 A CN109852747 A CN 109852747A CN 201811511347 A CN201811511347 A CN 201811511347A CN 109852747 A CN109852747 A CN 109852747A
- Authority
- CN
- China
- Prior art keywords
- door frame
- gate
- sink
- tank truck
- slag
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000002893 slag Substances 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 239000007921 spray Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000010583 slow cooling Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
Landscapes
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a kind of gate-type tank truck and control methods.Gate-type tank truck includes door frame, track, traveling mechanism of the larger traveller and sprinkler system;The two sides that slag wraps again are arranged in the track, and the traveling mechanism of the larger traveller drives door frame orbital motion;The sprinkler system includes sink, setting water pump in the sink and the pipeline connecting with water pump;The pipeline is laid with along door frame direction, and is equipped with multiple spray heads along door frame.The present invention wraps by the way of water cooling slag again, since the specific heat of water is big, effectively increases cooling velocity;It is arranged to door type structure by the way that equipment will be cooled down, it is cooling that the large area wrapped again to slag may be implemented, while reducing the occupied area of slow cooling field;And using mobile cooling, further improve cooling efficiency.The present invention is effectively applicable to the cooling of copper smelting plant product, has promotional value.
Description
Technical field
The present invention relates to a kind of gate-type tank truck and control methods.
Background technique
In smeltery, copper pyrometallurgy furnace, molten state (about 1250 DEG C) slag flows into slag and wraps again.
In the prior art, the cooling that slag wraps again is that slag packet slow cooling field again is transported to by transport wooden handcart, through natural air cooling
It is cooling.Since slag again packet quantity is more, temperature is high, therefore cooling velocity is slow, and the area for occupying slow cooling field is big.Such as produce copper 40 per year
Ten thousand tons of smeltery is wrapped again by 12 tons of slags, and about 160 slags wrap again daily, and a packet enters slow cooling field and passes through
It is air-cooled but to take around 72 hours.
Using existing cooling means, cooling efficiency is low.
Summary of the invention
Present invention solves the technical problem that being to overcome the deficiencies of existing technologies, a kind of gate-type tank truck is provided, this
Gate-type tank truck can spray area be big, high degree of automation, is particularly suitable for the cooling that slag wraps again, cooling efficiency
Height, occupied area are small.
The object of the invention is achieved through the following technical solutions:
A kind of gate-type tank truck wrapped again for slag, including door frame, track, traveling mechanism of the larger traveller and watering are provided
System;The two sides that slag wraps again are arranged in the track, and the traveling mechanism of the larger traveller drives door frame orbital motion;The watering
System includes sink, setting water pump in the sink and the pipeline connecting with water pump;The pipeline is laid with along door frame direction,
And multiple spray heads are equipped with along door frame.
In the present solution, by by door frame across frame in the two sides that slag wraps again, water pump draws cooling water along pipeline from sink
From in multipoint spray head, being sprayed from top to bottom on door frame, so that multiple slags below door frame are wrapped and can be able to simultaneously again
It is cooling;Traveling mechanism of the larger traveller drives door frame orbital motion, reaches cooling different location slag with the mobile type of cooling and wraps again.
Further, the pipeline includes main line and the branch pipeline from the extension of main line two sides, is set on the main line
There is the pressure transmitter for induction tube road pressure or incudes the flow transmitter of piping flow;The spray head is arranged in branch pipeline
End, branch pipeline be equipped with it is concatenated for be opened and closed branch pipeline solenoid valve or electrical ball valve, adjust branch pipeline flow section
Flow valve;The solenoid valve or electrical ball valve, throttle valve are connect with controller.In order to make gate-type tank truck adapt to different numbers
The cooling that the slag of amount and range wraps again, this programme being capable of adjust automatically uninterrupted.Specifically, pass through pressure transmitter sense
Pressure on pipeline is answered or by the flow on flow transmitter sense pipeline, to adjust the water yield of pump motor;By dividing
The solenoid valve or electrical ball valve being arranged in pipeline reach each branch pipeline opening and closing of control;And the specific flow of each branch pipeline can lead to
The throttle valve of branch pipeline is crossed to adjust.
Further, the sink setting is supplied water convenient and simple in door frame bottom.
Further, heating system is equipped in the sink;The heating system includes the temperature for detecting sink temperature
Spend transmitter, the heating device of water supply slot heating.Heating system in this programme can be prevented when winter temperature is low
Wait the problem of sink icing leads to not water supply.
Further, the sink is equipped with one or two;When for one, sink is arranged in the one of door frame bottom
Side;When for two, sink is separately positioned on to the two sides of door frame bottom.Occupied area and quantity for object to be cooled
Multiple sinks can be set in difference.When area to be cooled is little, single sink can be used to save space.When to be cooled
When area is big, number of objects to be cooled is more, two sinks can be respectively set in door frame two sides, be provided to the spray head above door frame
Multiple water sources, especially when door frame span is big, can be avoided pipeline it is too long caused by feed pressure problem.
Further, the door frame is using single girder door frame, including girder, supporting leg, lower beam;The supporting leg and lower beam
Connection is with support girder;The water pump is arranged on lower beam, not in sink.
Further, level is arranged in the prominent part of platform on the girder, and the branch pipeline is arranged on platform.The platform is used
To support branch pipeline, and it can provide service clearance.
Further, further include temperature sensor, sent to for detecting the temperature of object to be cooled, and by temperature signal
Controller.This gate-type tank truck can control cooling duration and cooled region according to the current temperature of object to be cooled.
Another object of the present invention is to provide the control methods of above-mentioned gate-type tank truck, wrap again for slag
It is cooling, comprising the following steps:
Slag to be cooled in slag slow cooling field is wrapped again and is counted, the mode of the quantity and arrangement wrapped again according to slag
Default water consumption, with water duration and default water delivery pressure;
Controller controls the opening and closing of solenoid valve or electrical ball valve in each branch pipeline, sets the working quantity of branch pipeline;
Pressure transmitter is by the pressure or the flow that will sense in main line of flow transmitter in the main line sensed
It is transmitted to controller, controller judges pressure or flow whether within the scope of the pressure threshold or flow threshold of setting, to water pump
Carry out frequency control;
Controller controls each branch pipeline throttle valve, the flow of each nozzle delivery port is adjusted, so that each water outlet flow
It is consistent;
According to preset duration, controller timing switches off the pump.
This programme can be realized the cooling wrapped again to slag, and cooling duration, cooling range are controllable, effectively improve cooling
Efficiency.
Further, in water supply process, traveling mechanism of the larger traveller is wrapped in regional scope to be cooled again in slag along track and is transported
It is dynamic, to realize the cooling of entire slag slow cooling field areas, and it is able to achieve while cools down substantially.
Compared with the existing technology, the invention has the benefit that
The present invention wraps by the way of water cooling slag again, since the specific heat of water is big, effectively increases cooling velocity;Pass through
Cooling equipment is arranged to door type structure, it is cooling that the large area wrapped again to slag may be implemented, while reducing the land occupation of slow cooling field
Area;And using mobile cooling, further improve cooling efficiency.
Cooling efficiency of the present invention is high, high degree of automation, and the product for being effectively applicable to smeltery is cooling, has promotion price
Value.
Detailed description of the invention
Fig. 1 is the main view of 1 gate-type tank truck of embodiment.
Fig. 2 is the top view of 1 gate-type tank truck of embodiment.
Fig. 3 is the vertical view partial schematic diagram of 1 gate-type tank truck of embodiment.
Fig. 4 is the left view of 1 gate-type tank truck of embodiment.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Figures 1 to 4, the present embodiment provides a kind of gate-type tank trucks, including door frame 2, track 3, cart to transport
Row mechanism 4 and sprinkler system 5;The two sides that slag wraps 1 again are arranged in the track 4, and the traveling mechanism of the larger traveller 4 drives door frame 2
Orbital motion;The sprinkler system 5 includes sink 51, the pipeline that water pump 52 in the sink is arranged and connect with water pump 52
53;The pipeline 53 is laid with along 2 direction of door frame, and is equipped with multiple spray heads along door frame 2.
The present embodiment is for cooling down slag and wrap 1 again.
As a specific embodiment of the present embodiment, door frame 2 is using single girder door frame.As shown in Figure 1, single girder door
Frame includes girder 21, platform 22, supporting leg 22, inclined ladder 23, lower beam 24 and electric panel room 25.Supporting leg is respectively provided at left and right sides of door frame 2
22, every side leg 22 includes two be obliquely installed, and supporting leg 22 and lower beam 24 constitute A-frame with support girder 21;It is described
Water pump 52 is arranged on lower beam 24, not in sink 51.Inclined ladder 23 used for overhaul is disposed therein on a supporting leg 22,
Electric panel room 25 is arranged on lower beam 24, between A-frame.In implementation process, each building block of door frame 2 can be used
It is bolted, in order to transport and install.It is understood that every side leg be one, directly vertically connect with lower beam with
Support girder is also possible.
The pipeline 53 includes main line 531 and the branch pipeline 532 from the extension of 531 two sides of main line.Specifically, main line
On 531 girders 21 for extending to door frame 2 from the water pump 52 of sink 51, from girder 21 to two sides extend branch pipeline 532.
The main line 531 is equipped with the pressure transmitter for incuding main line pressure;The end of branch pipeline 532 is equipped with spray head, point
Pipeline 532 is equipped with the concatenated solenoid valve 7 for being opened and closed branch pipeline and adjusts the throttle valve 6 of branch pipeline flow;The electromagnetism
Valve 7 and throttle valve 6 are connect with controller.In order to which the slag for making gate-type tank truck adapt to different number and range wraps again
1 cooling, this programme being capable of adjust automatically uninterrupteds.Specifically, by the pressure of pressure transmitter induction tube road, to
Adjust the water yield of pump motor;Reach each branch pipeline 532 of control by the solenoid valve 6 being arranged in branch pipeline 532 to be opened and closed;And it is every
The specific flow of a branch pipeline 532 can be adjusted by the throttle valve 6 of branch pipeline 532.It is understood that in the present embodiment
Solenoid valve 7 in branch pipeline 532 can also be substituted with electrical ball valve, and pressure transmitter can use the stream of flow in induction pipeline
Transmitter substitutes.
Level is arranged in the prominent part of platform 22 on the girder 21, and the setting of branch pipeline 532 is over the platform 22.The platform 22
To support branch pipeline 532, and it can provide service clearance.It in the actual implementation process, can spilling according to gate-type tank truck
The demand of water range adjusts length, number of the adjustment branch pipeline in door frame of the spray head, according to specific requirements selection point
The shape of pipeline is straight line or bending.
The setting of sink 51 is supplied water convenient and simple in 2 bottom of door frame.Sink 51 is equipped with one in the present embodiment, setting
In the side of door frame bottom, direction along ng a path is laid with.In cooling procedure, the water of 51 the inside of sink is fed on demand.
Heating system is equipped in the sink 51;The heating system includes the temperature pick-up for detecting sink temperature
Device, the heating device of water supply slot heating.Temperature transmitter is used to detect the temperature of sink, when temperature is lower than setting value,
Heating system starts automatically in sink, water freezing in anti-water stopping trough.Heating system can prevent water when winter, temperature was low
The problem of slot icing leads to not water supply.
In the present solution, by by door frame across frame in the two sides that slag wraps again, the water pump setting in the sink, with door frame
Lower beam connection, moves in the sink with the movement of door frame.Water pump from drawn in sink cooling water along pipeline from door frame in
It in multipoint spray head, sprays from top to bottom, so that multiple slags below door frame are wrapped and can be cooled off simultaneously again.Cart fortune
Row mechanism drives lower beam to drive whole door frame orbital motion, reaches cooling different location slag weight with the mobile type of cooling
Packet.
The control method of the present embodiment is as follows:
Slag to be cooled in slag slow cooling field is wrapped again and is counted, the mode of the quantity and arrangement wrapped again according to slag
Default water consumption, with water duration and default water delivery pressure;
Controller controls the opening and closing of the solenoid valve in each branch pipeline, sets the working quantity of branch pipeline;
Pressure in the main line sensed is transmitted to controller by pressure transmitter, and controller judges whether pressure is setting
Within the scope of fixed pressure threshold, frequency control is carried out to water pump;It is understood that incuding pipeline using flow transmitter
In flow when, controller by judge flow whether within the scope of the flow threshold of setting, to water pump progress frequency control, with
It is certain to control output flow.
Controller controls each branch pipeline throttle valve, the flow of each nozzle delivery port is adjusted, so that each water outlet flow
It is consistent;
According to preset duration, controller timing switches off the pump.
In water supply process, traveling mechanism of the larger traveller is in slag slow cooling field areas orbital motion, so that entire slag slow cooling
Slag in is wrapped again and can be cooled down simultaneously substantially.
The present embodiment wraps slag again using gate-type tank truck and cools down, compared with the existing technology, cooling time
Be down to 24 hours hereinafter, can at least save place more than half.
The present embodiment gate-type tank truck can automatic real-time control watering duration and watering amount, it is cold rapidly and efficiently
But while slag wraps again, multiple slags wrap cooling uniformly again, and save water energy, and occupation area of equipment is small, high degree of automation,
With important application value.It is understood that this gate-type tank truck is also suitable for the cooling of other similar product
?.
Embodiment 2
The present embodiment difference from example 1 is that, there are two the sink is equipped with, be separately positioned on door frame bottom
Two sides.Two sinks are respectively set in door frame two sides in this programme, provide multiple water sources to the spray head above door frame, especially
When door frame span is big, the too long caused feed pressure problem of pipeline can be avoided.
The present embodiment is additionally provided with temperature sensor, the temperature wrapped again for detecting slag, and sends temperature signal to control
Device processed.Controller can wrap again current temperature according to slag to control cooling duration and cooling zone according to this gate-type tank truck
Domain.
It is understood that the difference of occupied area and quantity for object to be cooled, can be set multiple sinks.
The gate-type tank truck of the present embodiment can be adapted for the cooling that object area to be cooled is bigger, more.
Obviously, above-described embodiment is only intended to clearly illustrate technical solution of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (10)
1. a kind of gate-type tank truck, which is characterized in that including door frame, track, traveling mechanism of the larger traveller and sprinkler system;It is described
The two sides that slag wraps again are arranged in track, and the traveling mechanism of the larger traveller drives door frame orbital motion;The sprinkler system includes
Sink, the pipeline that water pump in the sink is set and is connect with water pump;The pipeline is laid with along door frame direction, and along door frame
Equipped with multiple spray heads.
2. gate-type tank truck according to claim 1, which is characterized in that the pipeline includes main line and from supervisor
The branch pipeline that road two sides extend, the main line are equipped with pressure transmitter or induction piping flow for incuding loine pressure
Flow transmitter;The end of branch pipeline is arranged in the spray head, and branch pipeline is equipped with concatenated for being opened and closed the electricity of branch pipeline
Magnet valve or electrical ball valve and the throttle valve for adjusting branch pipeline flow;The solenoid valve or electrical ball valve, throttle valve are and controller
Connection.
3. gate-type tank truck according to claim 1 or 2, which is characterized in that the door frame uses single girder door frame,
Including girder, supporting leg, lower beam;The supporting leg is connect with lower beam with support girder;The water pump is arranged on lower beam, and
Not in sink.
4. gate-type tank truck according to claim 3, which is characterized in that level is arranged in the prominent part of flat on the girder
Platform, the branch pipeline are arranged on platform.
5. gate-type tank truck according to claim 3, the sink is arranged in door frame bottom.
6. gate-type tank truck according to claim 5, which is characterized in that the sink is equipped with one or two;When
When being one, sink is arranged in the side of door frame bottom;When for two, sink is separately positioned on the two of door frame bottom
Side.
7. gate-type tank truck according to claim 3, which is characterized in that further include temperature sensor, for detecting
The temperature of object to be cooled, and send temperature signal to controller.
8. gate-type tank truck according to claim 3, which is characterized in that be equipped with heating system in the sink;Institute
Stating heating system includes the temperature transmitter for detecting sink temperature, the heating device of water supply slot heating.
9. a kind of control method for applying gate-type tank truck described in claim 4 to 8 any one, feature exist
In being wrapped for cooling down slag again, comprising the following steps:
Slag to be cooled in slag slow cooling field is wrapped again and is counted, the mode of the quantity and arrangement wrapped again according to slag is default
Water consumption, with water duration and default water delivery pressure;
Controller controls the opening and closing of the solenoid valve in each branch pipeline, sets the working quantity of branch pipeline;
Pressure in the main line sensed is transmitted to controller by pressure transmitter, and whether controller judges pressure in setting
Within the scope of pressure threshold, frequency control is carried out to water pump;
Controller controls each branch pipeline throttle valve, adjusts the flow of each nozzle delivery port, so that each water outlet flow is kept
Unanimously;
According to preset duration, controller timing switches off the pump.
10. the control method of gate-type tank truck according to claim 9, which is characterized in that in water supply process, greatly
Vehicle operating mechanism is wrapped in regional scope to be cooled again in slag along track and is moved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811511347.7A CN109852747A (en) | 2018-12-11 | 2018-12-11 | A kind of gate-type tank truck and control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811511347.7A CN109852747A (en) | 2018-12-11 | 2018-12-11 | A kind of gate-type tank truck and control method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109852747A true CN109852747A (en) | 2019-06-07 |
Family
ID=66890941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811511347.7A Pending CN109852747A (en) | 2018-12-11 | 2018-12-11 | A kind of gate-type tank truck and control method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109852747A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639416A1 (en) * | 1993-08-17 | 1995-02-22 | HORST K. LOTZ Feuerschutzbaustoffe | Continuous caster with light and robust flame cutting machine |
EP2360282A1 (en) * | 2010-02-15 | 2011-08-24 | SMS Siemag Aktiengesellschaft | Electric arc furnace |
CN203999754U (en) * | 2014-07-03 | 2014-12-10 | 中国瑞林工程技术有限公司 | A kind of copper smelting slag slow cooling treatment system |
CN207877757U (en) * | 2018-03-14 | 2018-09-18 | 唐山市丰南区航舶冶金机械制造有限公司 | Environment-friendly type metallurgical slag cooling treatment system |
CN208145668U (en) * | 2018-04-03 | 2018-11-27 | 中铁七局集团有限公司 | A kind of gantry crane spray system |
CN209798002U (en) * | 2018-12-11 | 2019-12-17 | 株洲天桥起重机股份有限公司 | Door type automatic watering cart |
-
2018
- 2018-12-11 CN CN201811511347.7A patent/CN109852747A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0639416A1 (en) * | 1993-08-17 | 1995-02-22 | HORST K. LOTZ Feuerschutzbaustoffe | Continuous caster with light and robust flame cutting machine |
EP2360282A1 (en) * | 2010-02-15 | 2011-08-24 | SMS Siemag Aktiengesellschaft | Electric arc furnace |
CN203999754U (en) * | 2014-07-03 | 2014-12-10 | 中国瑞林工程技术有限公司 | A kind of copper smelting slag slow cooling treatment system |
CN207877757U (en) * | 2018-03-14 | 2018-09-18 | 唐山市丰南区航舶冶金机械制造有限公司 | Environment-friendly type metallurgical slag cooling treatment system |
CN208145668U (en) * | 2018-04-03 | 2018-11-27 | 中铁七局集团有限公司 | A kind of gantry crane spray system |
CN209798002U (en) * | 2018-12-11 | 2019-12-17 | 株洲天桥起重机股份有限公司 | Door type automatic watering cart |
Non-Patent Citations (1)
Title |
---|
高磊;: "某铜冶炼厂两种渣缓冷场设计方案对比" * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101227439B1 (en) | Loading sprinkler system of electromotive car | |
CN101982258B (en) | Automatic slag powder adding device of continuous casting machine crystallizer | |
CN201900240U (en) | Automatic slag powder adding device for crystallizer of continuous casting machine | |
CN106077588B (en) | A kind of accumulator cell lead bus-bar casting device | |
CN106238694A (en) | A kind of hot charging and hot rolling of continuous casting slab process and device | |
KR101421981B1 (en) | Device for coating a metal strip and method therefor | |
CN209024624U (en) | A kind of aluminising production aluminium ingot cooling device | |
CN105522008B (en) | A kind of high-efficiency air cooling device | |
CN104017975B (en) | A kind of injected cool radiator cooler of long steel rail press quenching unit | |
CN110087802B (en) | Thin strip continuous casting strip steel cooling mechanism and cooling method thereof | |
CN201276586Y (en) | Rear control cold apparatus of heat processing furnace | |
CN109534165A (en) | A kind of smelting cinder ladle slow cooling processing dispatch control method | |
CN111121470A (en) | Copper smelting furnace slag slow cooling system and slow cooling method thereof | |
CN107833731B (en) | A kind of substation transformer intelligence cooling system and method | |
CN110421131A (en) | Slab cooling device and method | |
CN109852747A (en) | A kind of gate-type tank truck and control method | |
CN209798002U (en) | Door type automatic watering cart | |
CN205341522U (en) | High -efficient fan cooler | |
CN105002335A (en) | Spraying type quenching water cooling automatic device | |
CN109534164A (en) | One kind is for smelting cinder ladle slow cooling processing scheduling system | |
CN204449245U (en) | Slab bight cleaning device | |
CN200952025Y (en) | High-strength low alloy steel unwarming blank acceleration cooling system | |
CN208288922U (en) | A kind of cooling device of forge piece | |
CN203346462U (en) | Aluminum profile quenching device | |
CN106493329B (en) | A kind of production method and device of efficient control continuous casting bleed-out |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |