CN111632428A - Cold rolling production line level and smooth liquid retrieval and utilization clean system - Google Patents
Cold rolling production line level and smooth liquid retrieval and utilization clean system Download PDFInfo
- Publication number
- CN111632428A CN111632428A CN202010418738.5A CN202010418738A CN111632428A CN 111632428 A CN111632428 A CN 111632428A CN 202010418738 A CN202010418738 A CN 202010418738A CN 111632428 A CN111632428 A CN 111632428A
- Authority
- CN
- China
- Prior art keywords
- liquid
- filter
- leveling
- collecting box
- purifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a leveling liquid recycling and purifying system of a cold rolling production line, which comprises a sewage leveling liquid collecting box, a middle box, a liquid purifying box, a sewage draining box, a primary filter, a secondary filter, a tertiary filter, a security filter and an oil content detector, wherein the sewage leveling liquid collecting box is arranged below a leveling machine, an inlet of the sewage leveling liquid collecting box is butted with a liquid discharging port of the leveling machine, an outlet of the sewage leveling liquid collecting box is communicated with an inlet of the middle box through the primary filter and the secondary filter in sequence, an outlet of the middle box is communicated with an inlet of the oil content detector through the tertiary filter, an outlet of the oil content detector is respectively communicated with the sewage draining box and an inlet of the liquid purifying box, and an outlet of the liquid purifying box is communicated with a spray pipe of the leveling machine through the security filter. The invention realizes the online recycling of the leveling liquid, improves the quality of the strip steel and reduces the cost.
Description
Technical Field
The invention relates to the technical field of cold-rolled strip steel equipment, in particular to a leveling liquid recycling and purifying system of a cold-rolling production line.
Background
The leveling liquid has a large amount of iron powder impurities to enter the leveling liquid in the working process, and along with the rising of the concentration of the impurities such as iron powder, the lubricating effect of the leveling liquid changes, so that the surface quality of a steel plate is affected, therefore, the leveling liquid is widely used in a disposable mode, and is directly discharged after being used, so that the waste is serious. And the COD value of the leveling liquid waste liquid is high, the environment can be polluted by directly discharging, the leveling liquid waste liquid can be discharged after the treatment reaches the standard, and the treatment cost is also high.
Patent 201810568063.5 discloses a multistage filtering device for the leveling liquid used in the leveling machine, which is technically characterized in that the used leveling liquid is filtered for a plurality of times by a multi-layer filtering box, a magnetic filter, a bag filter and a precise filter and then reused. The disadvantages of this method are: no consideration is given to the possibility that the used levelling fluid may be contaminated by other undesirable oil components, such as leaking hydraulic oil, and no removal or detection device is provided; meanwhile, effective components in the leveling liquid are inevitably lost after being subjected to a multi-stage filtration process, the filtered leveling liquid is not directly used after being subjected to component change analysis and liquid preparation, and the risk of generating new strip steel defects after being used still exists because the quality problem of the leveling liquid is not found.
Disclosure of Invention
The invention aims to solve the technical problem of providing a leveling liquid recycling and purifying system for a cold rolling production line aiming at the defects in the prior art, so that the online recycling of the leveling liquid is realized, the quality of strip steel is improved, and the cost is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a cold rolling production line levelling liquid retrieval and utilization clean system, including dirty levelling liquid collecting box, the intermediate box, clean liquid case, the blow off case, a level filter, the secondary filter, tertiary filter, safety filter ware and oil content detector, dirty levelling liquid collecting box arranges in the below of levelling machine, the entry of dirty levelling liquid collecting box and the leakage fluid dram butt joint of levelling machine, the export of dirty levelling liquid collecting box passes through the pipeline and communicates through the entry of one-level filter and secondary filter and intermediate box in proper order, the export of intermediate box passes through the pipeline and communicates through the entry of tertiary filter and oil content detector, the export of oil content detector communicates with the entry of blow off case and clean liquid case respectively, the export of clean liquid case communicates through safety filter ware and levelling machine spray tube.
According to the technical scheme, the liquid purifying tank is also communicated with a crude oil supplementing system and a pure water supplementing system;
and a third automatic cut-off valve is arranged on a connecting pipeline between the liquid purification tank and the crude oil supplementing system, and a fourth automatic cut-off valve is arranged on a connecting pipeline between the liquid purification tank and the pure water supplementing system.
According to the technical scheme, the dirty leveling liquid collecting box comprises a first collecting box and a second collecting box, an overflow port of the first collecting box is communicated with an inlet of the second collecting box, an outlet of the second collecting box is communicated with an inlet of the first-stage filter, the first collecting box is arranged below the leveling machine, an inlet of the first collecting box is in butt joint with a liquid outlet of the leveling machine, and a skimmer and a liquid level meter are arranged in the first collecting box.
The vertical overflow plate that is equipped with in the box of dirty level and smooth liquid collecting box separates into two spaces about with the box, is first collecting box and second collecting box respectively, and liquid in the first collecting box overflows to the second collecting box in from the overflow plate top.
According to the technical scheme, a first circulating pump is connected between the outlet of the sewage leveling liquid collecting box and the primary filter, a second circulating pump is connected between the primary filter and the secondary filter, a third circulating pump is connected between the middle box and the tertiary filter, and a fourth circulating pump is connected between the liquid purifying box and the security filter.
According to the technical scheme, the liquid storage tank, the middle tank and the liquid purifying tank of the primary filter are all provided with liquid level meters.
According to the technical scheme, a stirrer, a heater, a thermometer, a PH meter and a conductivity meter are arranged in the liquid purifying box.
According to the technical scheme, the first automatic stop valve is arranged on the connecting pipeline between the oil content detector and the liquid purifying tank, and the second automatic stop valve is arranged on the connecting pipeline between the oil content detector and the sewage draining tank.
According to the technical scheme, a first flow regulating valve is arranged on a connecting pipeline between the security filter and the temper mill spray pipe.
According to the technical scheme, the bottoms of the sewage leveling liquid collecting box, the liquid storage box of the primary filter, the middle box and the liquid purifying box are all connected with the sewage draining box.
According to the technical scheme, the bottoms of the first collecting box and the second collecting box of the sewage leveling liquid collecting box are both connected with the sewage draining box.
According to the technical scheme, the primary filter is a vacuum paper tape filter or a positive pressure flat bed filter or a magnetic filter; the secondary filter and the tertiary filter are filter element type automatic back flushing filters; the cartridge filter is a double blue filter; the heater is a steam heater or an electric heater.
The invention has the following beneficial effects:
1. according to the method and the system device for recycling and purifying the leveling liquid of the cold rolling production line, provided by the invention, the pollutants in the leveling liquid are filtered step by arranging the first-stage filter, the second-stage filter and the third-stage filter with gradually increasing filtering precision, the filtering efficiency is high, the filtering effect is good, particulate impurities and other oil generated in the recycling process of the leveling liquid are removed, the crude oil and the pure water of the leveling liquid are supplemented in time, the purpose of online recycling is achieved, the quality of the strip steel is improved, and the cost is reduced.
2. According to the method and the system device for recycling and purifying the leveling liquid of the cold rolling production line, the oil skimmer and the oil content detector are arranged to remove and detect the oil content generated in the process of recycling the leveling liquid, so that the pollution oil content is prevented from being sprayed onto the strip steel along with the leveling liquid, and the product quality of the strip steel is ensured.
3. Through the implementation measurement and feedback of the conductivity meter, the thermometer, the liquid level meter and the PH meter and the analysis of the calculation model on the concentration components of the leveling liquid, the dynamic liquid supplementing of the crude oil supplementing pipeline and the pure water supplementing pipeline is controlled, and the leveling liquid is guaranteed to be sprayed within a normal concentration range.
Drawings
FIG. 1 is a schematic diagram of a leveling liquid recycling and purifying system of a cold rolling production line in the embodiment of the invention;
FIG. 2 is a flow chart of the operation of the leveling liquid recycling and purifying system of the cold rolling production line in the embodiment of the invention;
in the figure, 1-a first dirty flattening solution collection tank, 2-a second dirty flattening solution collection tank, 3-an intermediate tank, 4-a clean solution tank, 5-a sewage discharge tank, 6-a first filter, 7-a second filter, 8-a third filter, 9-a security filter, 10-an oil content detector, 11-an overflow plate, 12-a flattening machine spray pipe, 13-an oil skimmer, 14-a first liquid level meter, 15-a second liquid level meter, 16-a third liquid level meter, 17-a fourth liquid level meter, 18-a stirrer, 19-a heater, 20-a thermometer, 21-a PH meter, 22-a conductivity meter, 23-a first flowmeter, 24-a second flowmeter, 25-a first circulating pump, 26-a second circulating pump, 27-a third circulating pump, 28-a fourth circulating pump, 29-a first automatic shut-off valve, 30-a second automatic shut-off valve, 31-a third automatic shut-off valve, 32-a fourth automatic shut-off valve, 33-a first flow regulating valve, 34-a first communicating pipeline, 35-a second communicating pipeline, 36-a third communicating pipeline, 37-a fourth communicating pipeline, 38-a fifth communicating pipeline, 39-a sixth communicating pipeline, 40-a seventh communicating pipeline, 41-an eighth communicating pipeline, 42-a ninth communicating pipeline, 43-a tenth communicating pipeline and 44-an eleventh communicating pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the leveling liquid recycling and purifying system of the cold rolling production line in one embodiment of the invention comprises a sewage leveling liquid collecting box, a middle box, a liquid purifying box, a sewage discharging box, a first-stage filter, a second-stage filter, a third-stage filter, a security filter and an oil content detector, wherein the sewage leveling liquid collecting box is arranged below a leveling machine, an inlet of the sewage leveling liquid collecting box is in butt joint with a liquid discharging port of the leveling machine, an outlet of the sewage leveling liquid collecting box is communicated with an inlet of the middle box through the first-stage filter and the second-stage filter in sequence, an outlet of the middle box is communicated with an inlet of the oil content detector through the third-stage filter, an outlet of the oil content detector is communicated with inlets of the sewage discharging box and the liquid purifying box respectively, and an outlet of the liquid purifying box.
An overflow plate 11 is arranged in the sewage leveling liquid collecting box, the standing box is divided into a first collecting box 1 and a second collecting box 2 by the overflow plate 11, and fluid in the first collecting box 1 overflows to the second collecting box 2 over the overflow plate 11; the outlet of the second collecting box 2 is communicated with the inlet of the primary filter 6; the primary filter 6 comprises a filtering device and a liquid storage box body, and liquid filtered by the primary filter 6 is stored in the liquid storage box body; an outlet of the liquid storage tank body of the primary filter 6 is communicated with an inlet of the secondary filter 7; the outlet of the secondary filter 7 is communicated with the inlet of the intermediate tank 3; the outlet of the middle box 3 is communicated with the inlet of a third-stage filter 8; the outlet of the tertiary filter 8 is communicated with the inlet of the oil content detector 10; the outlet of the oil content detector 10 is communicated with the inlet of the liquid purifying tank 4 and is communicated with the sewage draining tank 5; the liquid purification box 4 is communicated with a crude oil supplementing system and a pure water supplementing system; the outlet of the liquid purifying tank 4 is communicated with the inlet of the security filter 9; the bottoms of the first sewage leveling liquid collecting box 1, the second sewage leveling liquid collecting box 2, the liquid storage box of the primary filter 6, the middle box 3 and the liquid purifying box 4 are communicated with a sewage draining box 5;
the first dirty flattening liquid collecting box 1 is provided with an oil skimmer 13; the first sewage leveling liquid collecting box 1 is provided with a first liquid level meter 14; the liquid storage tank of the primary filter 6 is provided with a second liquid level meter 15; the middle box 3 is provided with a third liquid level meter 16; a stirrer 18, a heater 19, a thermometer 20, a PH meter 21, a conductivity meter 22 and a fourth liquid level meter 17 are arranged in the liquid purifying tank 4;
a first communicating pipeline 34 communicated with the second sewage leveling liquid collecting box 2 and the primary filter 6 is arranged between the first communicating pipeline 34 and the second sewage leveling liquid collecting box, and a first circulating pump 25 is arranged on the first communicating pipeline 34; the liquid storage tank of the primary filter 6 is communicated with the secondary filter 7 through a second communicating pipeline 35, and a second circulating pump 26 is arranged on the second communicating pipeline 35;
the secondary filter 7 is communicated with the intermediate tank 3 through a third communication pipeline 36;
the intermediate tank 3 is communicated with the third-stage filter 8 through a fourth communication pipeline 37, and a third circulating pump 27 is arranged on the fourth communication pipeline 37;
the tertiary filter 8 is communicated with the oil content detector 10 through a fifth communication pipeline 38; the oil content detector 10 is communicated with the liquid purifying tank 4 through a sixth communicating pipeline 39 and communicated with the blow-off tank 5 through a seventh communicating pipeline 40, the sixth communicating pipeline 39 is provided with a first automatic cut-off valve 29, and the seventh communicating pipeline 40 is provided with a second automatic cut-off valve 30; a crude oil supplementing port of the liquid purifying tank 4 is communicated with a crude oil supplementing system through an eighth communication pipeline 41, and a third automatic cut-off valve 31 and a first flowmeter 23 are arranged on the eighth communication pipeline 41; a pure water supplementing port of the pure water tank 4 is communicated with a pure water supplementing system through a ninth communication pipeline 42, and the ninth communication pipeline 42 is provided with a fourth automatic shut-off valve 32 and a second flowmeter 24; the outlet of the liquid purification tank 4 is communicated with the cartridge filter 9 through a tenth communication pipeline 43, and a fourth circulating pump 28 is arranged on the tenth communication pipeline 43; the cartridge filter 9 is communicated with the temper mill spray pipe 12 through an eleventh communication pipe 44, and a first flow regulating valve 33 is arranged on the eleventh communication pipe 44; the bottoms of the first sewage leveling liquid collecting box 1, the second sewage leveling liquid collecting box 2, the liquid storage box of the primary filter 6, the middle box 3 and the liquid purifying box 4 are connected with a sewage draining box 5;
the primary filter 6 is preferably a vacuum paper tape filter or a positive pressure flat bed filter or a magnetic filter;
the secondary filter 7 and the tertiary filter 8 are preferably filter element type automatic back flushing filters;
the filter filtering precision of the third filter 8 is larger than that of the second filter 7, and the second filter 7 is larger than that of the first filter 6;
the cartridge filter 9 is preferably a double blue filter;
the heater 19 is preferably heated by steam or electricity.
The working process of the leveling liquid recycling and purifying system of the cold rolling production line shown in figure 2 is as follows:
step one, providing the system device;
step two, precipitation and overflow: dirty flattening liquid used by a flattening machine 12 firstly flows back to a dirty flattening liquid first collecting box 1, most particulate impurities in the flattening liquid are preliminarily precipitated, impurity oil in the flattening liquid is skimmed by an oil skimmer 13, and the dirty flattening liquid after precipitation and impurity oil skimming overflows to a dirty flattening liquid second collecting box 2 through an overflow plate 11.
Step three, primary filtration: conveying the leveling liquid of the dirty leveling liquid second collecting box 2 to a primary filter 6, so that most of iron powder particles and large-size impurity particles in the dirty leveling liquid are intercepted and filtered, and storing the filtered leveling liquid in a liquid storage box of the primary filter 6;
step four, secondary filtration: conveying the leveling liquid in the liquid storage tank of the primary filter 6 to a secondary filter 7, filtering dirty leveling liquid by a secondary filter, and storing the filtered leveling liquid in the middle tank 3;
step five, three-stage filtration: conveying the leveling liquid in the middle box 3 to a third-stage filter 8, and filtering dirty leveling liquid by a third stage;
step six, oil content detection: the leveling liquid filtered by the three-stage filter 8 passes through an oil content detector 10, and after the leveling liquid is detected by the oil content detector 10, when an oil content detection concentration value lambda 1 is within a normal threshold value range lambda of the oil content concentration of the leveling liquid, the leveling liquid meets the requirement, at the moment, the first automatic cut-off valve 29 is opened, the second automatic cut-off valve 30 is closed, and the leveling liquid flows to the liquid purifying tank 4;
when the detected concentration value lambda 1 of the leveling liquid oil passing through the oil content detector 10 exceeds the normal threshold value range lambda of the leveling liquid oil concentration, the leveling liquid component contains other oil components except for normal components, at the moment, the first automatic cut-off valve 29 is closed, the second automatic cut-off valve 30 is opened, and the leveling liquid flows to the sewage draining tank 5;
step seven, liquid preparation: after the leveling liquid flowing to the liquid purification tank 4 is detected by the conductivity meter 22, the pH meter 21 and the thermometer 20, the concentration value eta 1 of the leveling liquid in the liquid purification tank 4 is calculated by a model and compared with the normal concentration value eta, and crude oil is supplemented through an eighth communication pipeline 41 as required; or pure water is supplied through the ninth communicating pipe 42. Until reaching the required concentration value of the leveling liquid;
step eight, spraying and using: the liquid after the liquid preparation is finished is stored in the liquid purifying tank 4 and is sprayed to the temper mill 12 for use through a fourth circulating pump 28 and a cartridge filter 9;
ninth, flushing and pollution discharge: when the liquid level in the sewage tank 5 reaches a certain value, the wastewater in the sewage tank is discharged to a wastewater treatment workshop.
According to the scheme, in the seventh step, the concentration eta of the prepared leveling liquid is 3% -5%, and the temperature is 40-55 ℃.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (10)
1. The utility model provides a cold rolling production line levelling liquid retrieval and utilization clean system, a serial communication port, including dirty levelling liquid collecting box, the intermediate tank, clean liquid case, the blow off case, the primary filter, the secondary filter, tertiary filter, cartridge filter and oil content detector, the export of dirty levelling liquid collecting box passes through the pipeline and communicates through the entry of primary filter and secondary filter and intermediate tank in proper order, the export of intermediate tank passes through the pipeline and communicates through the entry of tertiary filter with the oil content detector, the export of oil content detector communicates with the entry of blow off case and clean liquid case respectively, the export of clean liquid case communicates through cartridge filter and levelling machine spray tube.
2. The leveling liquid recycling and purifying system of the cold rolling production line according to claim 1, wherein the liquid purifying tank is further communicated with a crude oil supplementing system and a pure water supplementing system; and a third automatic cut-off valve is arranged on a connecting pipeline between the liquid purification tank and the crude oil supplementing system, and a fourth automatic cut-off valve is arranged on a connecting pipeline between the liquid purification tank and the pure water supplementing system.
3. The cold rolling production line temper rolling liquid recycling and purifying system of claim 1, wherein the dirty temper rolling liquid collecting box comprises a first collecting box and a second collecting box, an overflow port of the first collecting box is communicated with an inlet of the second collecting box, an outlet of the second collecting box is communicated with an inlet of the primary filter, an inlet of the first collecting box is in butt joint with a liquid discharge port of the temper rolling machine, and an oil skimmer and a liquid level meter are arranged in the first collecting box.
4. The recycling and purifying system for temper rolling liquid of cold rolling production line according to claim 1, wherein a first circulating pump is connected between the outlet of the dirty temper rolling liquid collecting tank and the first filter, a second circulating pump is connected between the first filter and the second filter, a third circulating pump is connected between the middle tank and the third filter, and a fourth circulating pump is connected between the clean liquid tank and the security filter.
5. The leveling liquid recycling and purifying system of the cold rolling production line according to claim 1, wherein the liquid storage tank, the intermediate tank and the liquid purifying tank of the primary filter are all provided with liquid level meters.
6. The system for recycling and purifying the leveling liquid of the cold rolling production line according to claim 1, wherein a stirrer, a heater, a thermometer, a pH meter and a conductivity meter are arranged in the liquid purifying tank.
7. The cold rolling production line flattening liquid recycling and purifying system according to claim 1, wherein a first automatic cut-off valve is arranged on a connecting pipeline between the oil content detector and the liquid purifying tank, and a second automatic cut-off valve is arranged on a connecting pipeline between the oil content detector and the drain tank.
8. The system for recycling and purifying leveling liquid of a cold rolling production line according to claim 1, wherein a first flow regulating valve is arranged on a connecting pipeline between the security filter and the leveling machine spray pipe.
9. The recycling and purifying system for leveling liquid of cold rolling production line according to claim 1, wherein the bottom of the dirty leveling liquid collecting box, the liquid storage box of the primary filter, the middle box and the liquid purifying box are all connected with a sewage draining box.
10. The system for recycling and purifying the leveling liquid of the cold rolling production line according to claim 1, wherein the primary filter is a vacuum paper tape filter or a positive pressure flat bed filter or a magnetic filter; the secondary filter and the tertiary filter are filter element type automatic back flushing filters; the cartridge filter is a double blue filter; the heater is a steam heater or an electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418738.5A CN111632428A (en) | 2020-05-18 | 2020-05-18 | Cold rolling production line level and smooth liquid retrieval and utilization clean system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418738.5A CN111632428A (en) | 2020-05-18 | 2020-05-18 | Cold rolling production line level and smooth liquid retrieval and utilization clean system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111632428A true CN111632428A (en) | 2020-09-08 |
Family
ID=72323537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010418738.5A Withdrawn CN111632428A (en) | 2020-05-18 | 2020-05-18 | Cold rolling production line level and smooth liquid retrieval and utilization clean system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111632428A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691789A (en) * | 2020-12-21 | 2021-04-23 | 中冶南方工程技术有限公司 | Cold-rolled emulsion filtering system and method considering multiple series of products |
| CN113308291A (en) * | 2021-06-30 | 2021-08-27 | 唐山睿泽尔科技有限公司 | Offline lubricating oil purification system |
| CN114432952A (en) * | 2022-02-15 | 2022-05-06 | 宝钢湛江钢铁有限公司 | Automatic leveling liquid concentration control method |
| CN114517891A (en) * | 2020-11-20 | 2022-05-20 | 宝山钢铁股份有限公司 | Detection control system and method for oil leakage of hydraulic pipeline joint of laser welding machine |
| CN114949998A (en) * | 2022-06-14 | 2022-08-30 | 江苏大学镇江流体工程装备技术研究院 | Emulsion online preparation and cyclic regeneration complete equipment in steel rolling production process |
| WO2023005433A1 (en) * | 2021-07-28 | 2023-02-02 | 苏州爱恩机械有限公司 | Efficient cleaning fluid purification device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337946A (en) * | 2011-09-16 | 2012-02-01 | 扬帆集团股份有限公司 | Ship main engine oil filling method |
| CN103706176A (en) * | 2013-12-20 | 2014-04-09 | 江苏和丰制铁新材料科技有限公司 | Leveling oil filtering device of leveling machine |
| CN206168080U (en) * | 2016-10-28 | 2017-05-17 | 上海赛科利汽车模具技术应用有限公司 | Automobile plate cleaning machine filtration system |
| CN108187402A (en) * | 2017-12-18 | 2018-06-22 | 中冶南方工程技术有限公司 | A kind of stainless steel cold continuous rolling emulsion filtration system and method |
| CN207871698U (en) * | 2017-12-18 | 2018-09-18 | 中冶南方工程技术有限公司 | A kind of cold-rolling emulsion filtration system reducing oil consumption |
| CN109731950A (en) * | 2019-03-07 | 2019-05-10 | 昆明学院 | A kind of hot rolled steel plate five-roll machine |
| CN111036710A (en) * | 2018-10-15 | 2020-04-21 | 宝钢工程技术集团有限公司 | Leveling liquid recycling device and using method thereof |
-
2020
- 2020-05-18 CN CN202010418738.5A patent/CN111632428A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337946A (en) * | 2011-09-16 | 2012-02-01 | 扬帆集团股份有限公司 | Ship main engine oil filling method |
| CN103706176A (en) * | 2013-12-20 | 2014-04-09 | 江苏和丰制铁新材料科技有限公司 | Leveling oil filtering device of leveling machine |
| CN206168080U (en) * | 2016-10-28 | 2017-05-17 | 上海赛科利汽车模具技术应用有限公司 | Automobile plate cleaning machine filtration system |
| CN108187402A (en) * | 2017-12-18 | 2018-06-22 | 中冶南方工程技术有限公司 | A kind of stainless steel cold continuous rolling emulsion filtration system and method |
| CN207871698U (en) * | 2017-12-18 | 2018-09-18 | 中冶南方工程技术有限公司 | A kind of cold-rolling emulsion filtration system reducing oil consumption |
| CN111036710A (en) * | 2018-10-15 | 2020-04-21 | 宝钢工程技术集团有限公司 | Leveling liquid recycling device and using method thereof |
| CN109731950A (en) * | 2019-03-07 | 2019-05-10 | 昆明学院 | A kind of hot rolled steel plate five-roll machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517891A (en) * | 2020-11-20 | 2022-05-20 | 宝山钢铁股份有限公司 | Detection control system and method for oil leakage of hydraulic pipeline joint of laser welding machine |
| CN112691789A (en) * | 2020-12-21 | 2021-04-23 | 中冶南方工程技术有限公司 | Cold-rolled emulsion filtering system and method considering multiple series of products |
| CN113308291A (en) * | 2021-06-30 | 2021-08-27 | 唐山睿泽尔科技有限公司 | Offline lubricating oil purification system |
| WO2023005433A1 (en) * | 2021-07-28 | 2023-02-02 | 苏州爱恩机械有限公司 | Efficient cleaning fluid purification device |
| CN114432952A (en) * | 2022-02-15 | 2022-05-06 | 宝钢湛江钢铁有限公司 | Automatic leveling liquid concentration control method |
| CN114949998A (en) * | 2022-06-14 | 2022-08-30 | 江苏大学镇江流体工程装备技术研究院 | Emulsion online preparation and cyclic regeneration complete equipment in steel rolling production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111632428A (en) | Cold rolling production line level and smooth liquid retrieval and utilization clean system | |
| CN108187402B (en) | Stainless steel cold continuous rolling emulsion filtering system and method | |
| CN204798975U (en) | Vacuum oil filter of secondary filter and high -efficient dehydration | |
| CN103073147A (en) | Turbid circulating water treatment method and system | |
| CN108314204B (en) | Process system for treating geothermal tail water by utilizing tubular membrane | |
| CN109663409A (en) | Roll oil filtration system | |
| CN207286902U (en) | For improving the device of refinery's purification reusing rate | |
| CN201551896U (en) | In-line arrangement back-flushing filtering system | |
| CN211111609U (en) | Multistage filtration edulcoration system of municipal administration sewage | |
| CN209662744U (en) | A kind of bilateral complementation backwash filter | |
| CN208234640U (en) | A kind of device improving sewage stripping tower bottom reuse purified water water quality | |
| CN201240882Y (en) | Coalescence-separation type apparatus for removing oil in water | |
| CN203469634U (en) | Ceramic membrane filter with backwashing function | |
| CN103551337B (en) | Circulation filtration system and filtration method of mold cleaning fluid | |
| CN104874213A (en) | Water-driven filtering and reverse cleaning device for micro irrigation and filtering and reverse cleaning method | |
| CN212954566U (en) | Side oil filtering device | |
| CN214601059U (en) | Rolling oil recovery device of mist discharge system of stainless steel cold rolling mill | |
| CN209392883U (en) | Roll oil filtration system | |
| CN204005180U (en) | A kind of thin oil lubrication tank automatically cleaning self-purifying device | |
| CN105970238A (en) | Acid pickling and polishing recycling device for aluminum profiles | |
| CN207877408U (en) | A kind of circulation Hand scarf device | |
| CN203469645U (en) | Activated carbon filter with backwashing function | |
| CN206521287U (en) | Refrigeration low-temperature water quality purification device | |
| CN111777214A (en) | Side oil filtering device | |
| CN213132185U (en) | Turbine oil coalescence-separation type oil filter |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200908 |
|
| WW01 | Invention patent application withdrawn after publication |