CN107598111A - A kind of continuous casting cooling Water Sproading and afterheat utilizing system - Google Patents
A kind of continuous casting cooling Water Sproading and afterheat utilizing system Download PDFInfo
- Publication number
- CN107598111A CN107598111A CN201710911746.1A CN201710911746A CN107598111A CN 107598111 A CN107598111 A CN 107598111A CN 201710911746 A CN201710911746 A CN 201710911746A CN 107598111 A CN107598111 A CN 107598111A
- Authority
- CN
- China
- Prior art keywords
- cooling water
- pipeline
- inlet
- water
- outlet
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of continuous casting cooling Water Sproading and afterheat utilizing system, the coolant outlet of continuous casting installation for casting and the inlet communication of whirling well, the outlet of whirling well and the inlet communication of electrochemical deoiling groove, the outlet of electrochemical deoiling groove and the inlet communication of cooling water temporary tank, the outlet of cooling water temporary tank and the inlet communication of cooling water storage tank, the first outlet of cooling water storage tank and the inlet communication of the first water pump, the outlet of first water pump is connected by cooling water pipeline with the water inlet of inlet pipeline, the delivery port of inlet pipeline connects with the water inlet of heat exchanger, the delivery port of heat exchanger connects with the water inlet of outlet pipeline, the delivery port of outlet pipeline connects with hot water line;Vapor pipeline is set above hot water line, gas-liquid separator is connected between hot water line and vapor pipeline;Heat exchanger is in the supporting construction of the roller of strand roller-way;The cooling Water Sproading and afterheat utilizing system, cools down Water Sproading to continuous casting and exhaust heat utilization effect is good, ensures production safety and easy to operate.
Description
Technical field
The present invention relates to metallurgical technology field, and in particular to a kind of continuous casting cooling Water Sproading and afterheat utilizing system.
Background technology
Continuous casting flow be molten steel constantly by water mold, continuously drawn from crystallizer lower exit port after congealing into duricrust
Going out, water cooling is cooled down through spray, the foundry technology process of blank is all cut into after solidification, substantial amounts of cooling water needs to be reclaimed,
And it is current, its water turbidity can be continuous during recycling for the presence cooling water of used continuous casting cooling water recycling device
Increase, blocks the steel-making cooling-water duct of steel-making continuous casting equipment, and the bad influence continuous casting installation for casting of water quality of cooling water uses the longevity
The product quality of life and steel billet, the shortcomings that so as to influence production safety.
The content of the invention
In view of this, this application provides a kind of continuous casting cooling Water Sproading and afterheat utilizing system;The cooling Water Sproading
And afterheat utilizing system, Water Sproading is cooled down to continuous casting and exhaust heat utilization effect is good, has ensured production safety, and it is easy to operate.
To solve above technical problem, technical scheme provided by the invention is a kind of continuous casting cooling Water Sproading and UTILIZATION OF VESIDUAL HEAT IN
System, the recovery and afterheat utilizing system include:Continuous casting installation for casting, whirling well, electrochemical deoiling groove, cooling water temporary tank and cooling
Water storage tank, the first water pump, cooling water pipeline, inlet pipeline, heat exchanger, outlet pipeline, hot water line and vapor pipeline;It is described
The inlet communication of the coolant outlet of continuous casting installation for casting and the whirling well, outlet and the electrochemical deoiling groove of the whirling well
Inlet communication, the outlet of the electrochemical deoiling groove and the inlet communication of the cooling water temporary tank, the cooling water temporary tank
Outlet and the inlet communication of the cooling water storage tank, the first outlet of the cooling water storage tank and the import of first water pump connect
Logical, the outlet of first water pump is connected by the cooling water pipeline with the water inlet of inlet pipeline, the inlet pipeline
Delivery port connects with the water inlet of heat exchanger, and the delivery port of the heat exchanger connects with the water inlet of outlet pipeline, the water outlet
The delivery port of pipeline connects with the hot water line, and the hot water line connects with hot-water collection's device;On the hot water line
Side sets vapor pipeline, and gas-liquid separator is connected between hot water line and vapor pipeline, and the vapor pipeline steams with water
Gas collection device connects;The heat exchanger is in the supporting construction of the roller of strand roller-way;On the cooling water pipeline successively
Provided with filter, first flowmeter and first pressure meter;Second flowmeter and second pressure are sequentially provided with the hot water line
Meter.
Preferably, the whirling well is provided with chemicals dosing plant.
Preferably, the chemicals dosing plant includes:Dosing tank and dosing pump, the dosing tank by the dosing pump with it is described
Whirling well connects.
Preferably, the inlet communication that the outlet of the whirling well passes through the first elevator pump and the electrochemical deoiling groove.
Preferably, the outlet of the cooling water temporary tank is connected by the import of the second elevator pump and the cooling water storage tank
It is logical.
Preferably, the recovery and afterheat utilizing system also include:Supply channel and the second water pump;The cooling water storage tank
Second outlet connected through the supply channel with the water inlet of second water pump, described in the delivery port of second water pump warp
Supply channel connects with the cooling water inlet of the continuous casting installation for casting.
Preferably, the heat exchanger is coil exchanger.
Preferably, the cooling Water Sproading and afterheat utilizing system also include:Thermostatic control system;The thermostatic control system
System includes temperature detector, warning device and digital readout temperature controller;The temperature detector is arranged on hot water line, the water temperature
Detector connects the warning device and the digital readout temperature controller respectively.
Preferably, the heat exchanger, the inlet pipeline and the outlet pipeline quantity are equal, and are several, some
The individual heat exchanger is arranged in juxtaposition along strand roller-way.
Preferably, the cooling water pipeline between the first pressure meter and the water inlet of the inlet pipeline is provided with cold
But water lines choke valve, the hot water line between the second pressure meter and hot-water collection's device are provided with hot water line
Choke valve, the inlet pipeline are provided with inlet pipeline choke valve, and the vapor pipeline is provided with vapor pipe throttle valve.
Preferably, the cooling Water Sproading and afterheat utilizing system also include:Electric control gear;The cooling water pipeline throttling
Valve, hot water line's choke valve, the inlet pipeline choke valve and the vapor pipe throttle valve are magnetic valve, described
Cooling water pipeline choke valve, hot water line's choke valve, the inlet pipeline choke valve and the vapor pipe throttle valve
Electrically connected with the electric control gear.
Compared with prior art, its detailed description is as follows by the application:
The cooling water provided by the invention reclaimed after being cooled down with afterheat utilizing system to continuous casting installation for casting is again from cooling water
Outlet be discharged into whirling well, after cooling water is discharged into whirling well, then by dosing pump by dosing tank cooling water purification medicament put into
Whirling well, cooling water purification medicament are fully reacted under the cyclonic action of whirling well with cooling water, and the impurity in cooling water is coagulated
Into cotton-shaped;It will be sent into again by the first elevator pump in electrochemical deoiling groove with the fully reacted cooling water of cooling water purification medicament
Row removing impurity by means of precipitation, after treating the cooling water removing impurity by means of precipitation in electrochemical deoiling groove, the cooling water input after the removal of impurities of electrochemical deoiling groove
Further storage is stood in cooling water temporary tank, and its blocking to pipeline can be avoided by carrying out the cooling water after above-mentioned processing, is ensured
The normal operation of continuous casting installation for casting, heat exchanger, hot-water collection's device and cooling water collection device, improve production security.Pass through
Cooling water after standing is inputted cooling water storage tank by two elevator pumps.Cooling water in cooling water storage tank can be in the pressure of the second water pump
Under power, continuous casting installation for casting is sent into from the cooling water inlet of continuous casting installation for casting by supply channel, realizes and it is cooled down;Also can be first
Cooling water is respectively enterd in open heat exchanger by cooling water pipeline choke valve under the pressure of water pump, enters water-filling and continuous casting roller-way
The strand heat exchange of upper high temperature.Continuous casting billet in strand roller-way in normal ejection, casting blank surface temperature typically
850~1000 DEG C, by heat exchanger, aqueous medium is heated or even seethed with excitement, produces substantial amounts of hot water and vapor.Gas-liquid separator
Hot water and steam is separated, and collected by hot-water collection's device and cooling water collection device, meanwhile, steam pipework is positioned at warm
Directly over water lines, it is easy to steam caused by heat exchanger and hot water separation.Realize the circulation to continuous casting cooling water and waste heat
Utilize.
Recovery provided by the invention and afterheat utilizing system can adjust water inlet by the water temperature that temperature detector monitors
Pipe throttle valve reduces the flow of heat exchanger reclaimed water, and control realizes temperature control, electric control gear control into the cooling water flow of heat exchanger
Digital readout temperature controller processed, digital readout temperature controller realize the control to temperature detector, and alarm is realized to temperature detector monitoring information
Timely feedback, system features in convenient;It is arranged in juxtaposition using several heat exchangers along strand roller-way, can going out according to strand roller-way
Base speed, the heat time of heat exchanging WATER AS FLOW MEDIUM is increased to greatest extent, lift heat transfer effect.The quantity of heat exchanger is according to strand
The length of roller-way determines, easy to operate;In addition, controlling choke valve using electric control gear, the control to piping flow is realized, is operated
It is convenient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram that continuous casting provided by the invention cools down Water Sproading and afterheat utilizing system.
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
As shown in figure 1, the invention provides a kind of continuous casting cooling Water Sproading and afterheat utilizing system, the recovery and waste heat
Included using system:Continuous casting installation for casting 1, whirling well 2, electrochemical deoiling groove 3, cooling water temporary tank 4 and cooling water storage tank 5, the first water
Pump 6, cooling water pipeline 7, inlet pipeline 8, heat exchanger 9, outlet pipeline 10, hot water line 11 and vapor pipeline 12;The company
The inlet communication of the coolant outlet of casting machine 1 and the whirling well 2, the outlet of the whirling well 2 and the electrochemical deoiling groove 3
Inlet communication, outlet and the inlet communication of the cooling water temporary tank 4 of the electrochemical deoiling groove 3, the cooling water keeps in
The outlet of groove 4 and the inlet communication of the cooling water storage tank 5, the first outlet of the cooling water storage tank 5 and first water pump 6
Inlet communication, the outlet of first water pump 6 is connected by the cooling water pipeline 7 with the water inlet of inlet pipeline 8, described
The delivery port of inlet pipeline 8 connects with the water inlet of heat exchanger 9, the delivery port of the heat exchanger 9 and the water inlet of outlet pipeline 10
Mouth connection, the delivery port of the outlet pipeline 10 connect with the hot water line 11, and the hot water line 11 fills with hot-water collection
Put 12 connections;The top of hot water line 11 sets vapor pipeline 13, between hot water line 11 and the vapor pipeline 13
Gas-liquid separator 14 is connected, vapor pipeline 13 connects with vapor collection device 15;The heat exchanger 9 is located at strand roller-way
In the supporting construction of roller;Filter 16, first flowmeter 17 and first pressure meter are sequentially provided with the cooling water pipeline 7
18;Second flowmeter 19 and second pressure meter 20 are sequentially provided with the hot water line 11.
In a specific embodiment of the invention, the whirling well 2 is provided with chemicals dosing plant.The chemicals dosing plant includes:Add
Drug slot 21 and dosing pump 22, the dosing tank 21 are connected by the dosing pump 22 with the whirling well 2.The whirling well 2
The inlet communication that outlet passes through the first elevator pump 23 and the electrochemical deoiling groove 3.The outlet of the cooling water temporary tank 4 passes through
The inlet communication of two elevator pumps 24 and the cooling water storage tank 5.The recovery and afterheat utilizing system also include:Supply channel 25
With the second water pump 26;Water inlet of the second outlet of the cooling water storage tank 5 through the supply channel 25 Yu second water pump 26
Mouth connection, the delivery port of second water pump 26 connect through the supply channel 25 with the cooling water inlet of the continuous casting installation for casting 1.
The heat exchanger 9 is coil exchanger.The cooling Water Sproading and afterheat utilizing system also include:Thermostatic control system;Institute
Stating thermostatic control system includes temperature detector 27, warning device 28 and digital readout temperature controller 29;The temperature detector 28 is set
On hot water line 11, the temperature detector 27 connects the warning device 28 and the digital readout temperature controller 29 respectively.It is described
Heat exchanger 9, the inlet pipeline 8 are equal with the quantity of outlet pipeline 10, and are several, several described edges of heat exchanger 9
Strand roller-way is arranged in juxtaposition.The cooling water pipeline 7 between the water inlet of the first pressure meter 18 and the inlet pipeline 8
Provided with cooling water pipeline choke valve 30, the hot water line between the second pressure meter 20 and hot-water collection's device 12
11 are provided with hot water line's choke valve 31, and the inlet pipeline 8 is provided with inlet pipeline choke valve 32, on the vapor pipeline 13
Provided with vapor pipe throttle valve 33.The recovery and afterheat utilizing system also include:Electric control gear 34;The cooling water pipeline
Choke valve 30, hot water line's choke valve 31, the inlet pipeline choke valve 32 and the vapor pipe throttle valve 33 are equal
For magnetic valve, the cooling water pipeline choke valve 30, hot water line's choke valve 31, the inlet pipeline choke valve 32 and institute
Vapor pipe throttle valve 33 is stated to electrically connect with the electric control gear 34.The digital readout temperature controller 29 and the electric control gear 34
Electrical connection
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of continuous casting cooling Water Sproading and afterheat utilizing system, it is characterised in that the cooling Water Sproading and UTILIZATION OF VESIDUAL HEAT IN system
System includes:Continuous casting installation for casting, whirling well, electrochemical deoiling groove, cooling water temporary tank and cooling water storage tank, the first water pump, cooling water pipe
Road, inlet pipeline, heat exchanger, outlet pipeline, hot water line and vapor pipeline;The coolant outlet of the continuous casting installation for casting and institute
State the inlet communication of whirling well, the outlet of the whirling well and the inlet communication of the electrochemical deoiling groove, the electrochemical deoiling groove
Outlet and the inlet communication of the cooling water temporary tank, the outlet of the cooling water temporary tank and entering for the cooling water storage tank
Mouth connection, the first outlet of the cooling water storage tank and the inlet communication of first water pump, the outlet of first water pump leads to
Cross the cooling water pipeline to connect with the water inlet of inlet pipeline, the delivery port of the inlet pipeline and the water inlet of heat exchanger connect
Logical, the delivery port of the heat exchanger connects with the water inlet of outlet pipeline, the delivery port of the outlet pipeline and the hot-water line
Road connects, and the hot water line connects with hot-water collection's device;Vapor pipeline, hot water line are set above the hot water line
Gas-liquid separator is connected between vapor pipeline, the vapor pipeline connects with vapor collection device;The heat exchanger
In the supporting construction of the roller of strand roller-way;Filter, first flowmeter and are sequentially provided with the cooling water pipeline
One pressure gauge;Second flowmeter and second pressure meter are sequentially provided with the hot water line.
2. cooling Water Sproading according to claim 1 and afterheat utilizing system, it is characterised in that the whirling well is provided with
Chemicals dosing plant.
3. cooling Water Sproading according to claim 2 and afterheat utilizing system, it is characterised in that the chemicals dosing plant bag
Include:Dosing tank and dosing pump, the dosing tank are connected by the dosing pump with the whirling well.
4. cooling Water Sproading according to claim 1 and afterheat utilizing system, it is characterised in that the outlet of the whirling well
Pass through the first elevator pump and the inlet communication of the electrochemical deoiling groove.
5. cooling Water Sproading according to claim 1 and afterheat utilizing system, it is characterised in that the cooling water temporary tank
The outlet inlet communication that passes through the second elevator pump and the cooling water storage tank.
6. cooling Water Sproading and afterheat utilizing system according to claim 1, it is characterised in that the cooling Water Sproading and
Afterheat utilizing system also includes:Supply channel and the second water pump;The second outlet of the cooling water storage tank is through the supply channel
Connected with the water inlet of second water pump, the delivery port of second water pump is through the supply channel and the continuous casting installation for casting
Cooling water inlet connects.
7. cooling Water Sproading and afterheat utilizing system according to claim 1, it is characterised in that the cooling Water Sproading and
Afterheat utilizing system also includes:Thermostatic control system;The thermostatic control system includes temperature detector, warning device and digital display
Temperature controller;The temperature detector is arranged on hot water line, and the temperature detector connects the warning device and institute respectively
State digital readout temperature controller.
8. cooling Water Sproading and afterheat utilizing system according to claim 1, it is characterised in that the heat exchanger, described
Inlet pipeline and the outlet pipeline quantity are equal, and are several, and several described heat exchangers are arranged in juxtaposition along strand roller-way.
9. cooling Water Sproading and afterheat utilizing system according to claim 1, it is characterised in that the first pressure meter with
The cooling water pipeline between the water inlet of the inlet pipeline is provided with cooling water pipeline choke valve, the second pressure meter with
The hot water line between hot-water collection's device is provided with hot water line's choke valve, and the inlet pipeline is provided with water inlet pipe
Road choke valve, the vapor pipeline are provided with vapor pipe throttle valve.
10. cooling Water Sproading according to claim 9 and afterheat utilizing system, it is characterised in that the recovery and waste heat
Also included using system:Electric control gear;The cooling water pipeline choke valve, hot water line's choke valve, the inlet pipeline
Choke valve and the vapor pipe throttle valve are magnetic valve, the cooling water pipeline choke valve, hot water line throttling
Valve, the inlet pipeline choke valve and the vapor pipe throttle valve electrically connect with the electric control gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710911746.1A CN107598111A (en) | 2017-09-29 | 2017-09-29 | A kind of continuous casting cooling Water Sproading and afterheat utilizing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710911746.1A CN107598111A (en) | 2017-09-29 | 2017-09-29 | A kind of continuous casting cooling Water Sproading and afterheat utilizing system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107598111A true CN107598111A (en) | 2018-01-19 |
Family
ID=61067344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710911746.1A Pending CN107598111A (en) | 2017-09-29 | 2017-09-29 | A kind of continuous casting cooling Water Sproading and afterheat utilizing system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107598111A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109676103A (en) * | 2018-12-04 | 2019-04-26 | 贵溪骏达特种铜材有限公司 | A kind of on-line cooling device of horizontal continuous casting process production aluminium bronze pipe bar stock |
CN110893456A (en) * | 2018-09-12 | 2020-03-20 | 台州鑫宇铜业股份有限公司 | Copper bar smelting crystallization waste heat recycling system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203541472U (en) * | 2013-09-06 | 2014-04-16 | 宝钢工程技术集团有限公司 | Cooling water system for continuous casting crystallizer |
CN104986893A (en) * | 2015-07-03 | 2015-10-21 | 江苏永钢集团有限公司 | Steelmaking cooling water purifying and recycling device |
CN205571370U (en) * | 2016-05-05 | 2016-09-14 | 大连华锐重工集团股份有限公司 | Continuous casting recirculated cooling water and casting blank waste heat utilization system |
CN105964962A (en) * | 2016-05-05 | 2016-09-28 | 大连华锐重工集团股份有限公司 | Technological method for continuous casting circulating cooling water and casting billet waste heat utilization and system |
-
2017
- 2017-09-29 CN CN201710911746.1A patent/CN107598111A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203541472U (en) * | 2013-09-06 | 2014-04-16 | 宝钢工程技术集团有限公司 | Cooling water system for continuous casting crystallizer |
CN104986893A (en) * | 2015-07-03 | 2015-10-21 | 江苏永钢集团有限公司 | Steelmaking cooling water purifying and recycling device |
CN205571370U (en) * | 2016-05-05 | 2016-09-14 | 大连华锐重工集团股份有限公司 | Continuous casting recirculated cooling water and casting blank waste heat utilization system |
CN105964962A (en) * | 2016-05-05 | 2016-09-28 | 大连华锐重工集团股份有限公司 | Technological method for continuous casting circulating cooling water and casting billet waste heat utilization and system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110893456A (en) * | 2018-09-12 | 2020-03-20 | 台州鑫宇铜业股份有限公司 | Copper bar smelting crystallization waste heat recycling system |
CN109676103A (en) * | 2018-12-04 | 2019-04-26 | 贵溪骏达特种铜材有限公司 | A kind of on-line cooling device of horizontal continuous casting process production aluminium bronze pipe bar stock |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104646420B (en) | A kind of continuous casting and rolling produces the method for copper bar | |
CN105964962B (en) | Continuous casting recirculated cooling water and the process and system of strand UTILIZATION OF VESIDUAL HEAT IN | |
CN104785466B (en) | A kind of intelligent circulating cooling water- to-water heat exchanger automatic on-line purging system and method | |
CN107598111A (en) | A kind of continuous casting cooling Water Sproading and afterheat utilizing system | |
CN204211856U (en) | A kind of polycrystalline ingot furnace with heat-exchange system | |
CN203546148U (en) | On-line temperature control system for acid-pickling solution | |
CN205571370U (en) | Continuous casting recirculated cooling water and casting blank waste heat utilization system | |
CN107151714A (en) | A kind of bottom filter method water-flushing-slag apparatus and technique with bottom heat recovery function | |
CN205007955U (en) | Titanium reation kettle reinforces cooling device | |
CN104014752A (en) | Vertical type direct water cooling semicontinuous multi-ingot casting system | |
CN207330963U (en) | A kind of filter method water-flushing-slag apparatus in bottom with bottom heat recovery | |
CN207439205U (en) | A kind of water circulation system being quickly cooled down | |
CN212975111U (en) | Comprehensive utilization system for heat energy and condensed water of reaction kettle | |
CN208471997U (en) | A kind of gasoline recovery plant | |
CN206721330U (en) | A kind of cadmium continuous vacuum rectifying furnace condenser | |
CN206430432U (en) | A kind of shop equipment cooling system | |
CN206219821U (en) | Dyeing machine cylinder two-stage cooling system | |
CN210346065U (en) | Adjustable cooling water station | |
CN210559802U (en) | Circulating water system for precursor workshop | |
CN208443205U (en) | A kind of calcining furnace circulating water cooling system | |
CN220445028U (en) | Water circulation system of water cooling device | |
CN214133888U (en) | Pouring flow pipe for casting copper and copper alloy | |
CN107218593A (en) | Papermaking high-temperature condensation water recycling system | |
CN206670443U (en) | Power plant water resource circulating cooling system | |
CN104848696B (en) | Improved high-frequency heating device cooling mechanism of hexagonal steel wire ring production line |
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 |
Application publication date: 20180119 |
|
RJ01 | Rejection of invention patent application after publication |