CN111617701A - Full-automatic scraper discharging control method and production line for basic copper chloride - Google Patents
Full-automatic scraper discharging control method and production line for basic copper chloride Download PDFInfo
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- CN111617701A CN111617701A CN202010397534.8A CN202010397534A CN111617701A CN 111617701 A CN111617701 A CN 111617701A CN 202010397534 A CN202010397534 A CN 202010397534A CN 111617701 A CN111617701 A CN 111617701A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/10—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/04—Halides
- C01G3/05—Chlorides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/005—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the outlet side being of particular interest
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Abstract
The invention discloses a full-automatic scraper discharging control method and a production line of basic copper chloride, belonging to the field of chemical production, wherein the production line comprises a raw material supply device, a reaction barrel, a drainage device and a centrifugal discharging device; the raw material supply device is communicated with the reaction barrel, and the bottom end of the reaction barrel is connected with the main material conveying pipe through a bottom valve; one end of the main conveying pipe is connected with the drainage device, and the other end of the main conveying pipe is connected with the centrifugal discharging device; a material conveying pump is arranged on a pipeline between the centrifugal discharging device and the conveying main pipe; the full-automatic unloading control method is controlled by the controller to complete and comprises the following steps: starting and draining a centrifugal machine; feeding by a centrifugal machine; feeding and filling the centrifuge normally; centrifuging; discharging by a scraper; the machine is stopped to replace the filter cloth. The invention realizes automatic control of the operation of each process of the whole production line and automatic online unloading through the control action of the controller, has high production efficiency and high unloading speed of the whole production line, saves labor and time cost and is beneficial to improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of basic copper chloride preparation, in particular to a scraper unloading full-automatic control method and a production line of basic copper chloride.
Background
The etching solution is a raw material for engraving the copper plate painting. A liquid that engraves by eroding the properties of the material. The types of the etching solution used at present are six types, namely acid copper chloride, alkaline copper chloride, ferric chloride, ammonium persulfate, sulfuric acid/chromic acid and sulfuric acid/hydrogen peroxide etching solution.
In recent years, the electronic industry in China develops rapidly, and a large amount of acidic etching solution, alkaline etching solution and the like are generated along with the rapid development. If the etching solution is directly discharged, the environment can be seriously polluted, the survival of microorganisms in water is influenced, the granular structure of soil is damaged, and the growth of crops is influenced. In order to solve the problem of etching solution pollution in the industry at present, basic copper chloride is generated by performing a neutralization reaction on an acidic etching solution and an alkaline etching solution, so that on one hand, the environmental pollution is reduced, and on the other hand, the resource reutilization is realized.
However, in the basic copper chloride product prepared by the existing method, the obtained product is attached to a centrifuge, the centrifuge is required to be stopped, the product is obtained by manual scraping, or the scraper rotation speed or angle is required to be manually adjusted to discharge materials with different viscosities or looseness, the shutdown is required under the above conditions, time and labor are wasted, and the production efficiency is reduced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a scraper unloading full-automatic control method and a production line of basic copper chloride, and can solve the defects of the existing unloading method.
In order to solve the technical problems, the invention adopts a technical scheme that: the scraper discharging full-automatic production line for the basic copper chloride comprises a raw material supply device, a reaction barrel, a drainage device and a centrifugal discharging device; the raw material supply device is communicated with the reaction barrel, and the bottom end of the reaction barrel is connected with a main material conveying pipe through a bottom valve; one end of the conveying main pipe is connected with the drainage device, and the other end of the conveying main pipe is connected with the centrifugal discharging device; and a material conveying pump is arranged on a pipeline between the centrifugal discharging device and the conveying main pipe.
In a preferred embodiment of the present invention, the raw material supply means comprises an alkali head tank, an acid head tank and a water head tank; an alkali dropping valve is installed on a pipeline between the alkali elevated tank and the reaction barrel, an acid delivery pump is installed on a pipeline between the acid elevated tank and the acidic solution tank, and a water dropping valve is installed on a pipeline between the water elevated tank and the reaction barrel.
In a preferred embodiment of the invention, the drainage device comprises a clean water pipe and a wash pipe drainage water valve, the clean water pipe is communicated with the conveying main pipe, and the wash pipe drainage water valve is installed on the clean water pipe.
In a preferred embodiment of the invention, a filter is mounted on the delivery manifold.
In a preferred embodiment of the invention, the production line further comprises a malfunctioning return valve mounted on the by-pass conduit between the filter and the centrifugal discharge device.
In a preferred embodiment of the invention, the centrifugal discharging device comprises a centrifuge, the centrifuge is provided with a scraper and an oil cylinder, and the scraper is pushed to rotate by the oil pressure of the oil cylinder during the rotation of the centrifuge, so that the scraper discharging is realized.
In a preferred embodiment of the invention, the production line further comprises an exhaust gas recovery device, wherein the exhaust gas recovery device comprises a clear water tower shower, an alkali liquor tower shower and an alkali liquor tower shower circulating pump; wherein, the air inlet end that the clear water tower drenches passes through gas piping and the top of reaction barrel communicates the gas outlet that the clear water tower drenches through with the air inlet that the alkali lye tower drenches, the alkali lye tower drenches with the circulation pump intercommunication is drenched to the alkali lye tower.
In order to solve the technical problem, the invention adopts another technical scheme that: the full-automatic scraper discharging control method for the basic copper chloride comprises the following steps of:
(1) starting and draining a centrifugal machine: opening a centrifuge, and opening a washing pipe drainage water valve and a reaction barrel bottom valve of a drainage device to enable clear water to flow out for a period of time;
(2) feeding by a centrifuge: starting a material conveying pump, enabling materials in the reaction barrel to enter a centrifuge, closing the washing pipe drainage valve, and enabling the centrifuge to normally and continuously feed materials;
(3) the centrifuge normally feeds and is full of materials, a material level device on the centrifuge sends a full signal, a bottom valve of the reaction barrel is closed, the washing pipe drainage water valve is opened for cleaning, the material conveying pump is closed, and finally the washing pipe drainage water valve is closed;
(4) and (3) centrifugal treatment: closing a material distributor of the centrifuge, and adjusting the centrifuge to rotate at a high speed at a speed of 500-1000 r/min for dehydration;
(5) discharging by a scraper: adjusting the centrifuge to rotate at a low speed at a speed of 50-150 r/min, starting the oil cylinder, adjusting and controlling the oil pressure of the oil cylinder by the controller, enabling the oil cylinder to push the scraper to rotate at a speed matched with the rotating speed of the centrifuge, scraping materials, and completing full-automatic discharging;
(6) stopping the machine, replacing the filter cloth, repeating the steps (1) to (5) and carrying out the next centrifugal unloading operation.
In a preferred embodiment of the present invention, the scraping process of the scraper is as follows: the thickness of the scraper is 2-3 cm, and the scraping is repeated for 3 times.
In a preferred embodiment of the invention, before normal feeding and full feeding, the centrifuge also generates an oscillation or the level gauge sends a full return signal, the bottom valve of the reaction barrel is closed, the fault return valve is opened until the centrifuge stops oscillating or the level gauge sends a return material non-full signal, the fault return valve is closed, the bottom valve of the reaction barrel is opened, and the centrifuge recovers normal feeding.
The invention has the beneficial effects that: the scraper unloading full-automatic control method of the copper chloride hydroxide realizes automatic control of operation of each process of the whole production line and on-line automatic unloading through the control action of the controller in the full-automatic production line, has high production efficiency and high unloading speed of the whole production line, saves labor and time cost, and is favorable for improving the production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a scraper unloading full-automatic production line of basic copper chloride;
the parts in the drawings are numbered as follows: 1. the system comprises an alkaline solution tank, 2 an acidic solution tank, 3 an acid head tank, 4 an alkaline head tank, 5 a water head tank, 6 an alkaline delivery pump, 7 an acid delivery pump, 8 a reaction barrel, 9 a steam valve, 10 a delivery main pipe, 11 a bottom valve, 12 a material delivery pump, 13 a clear water pipe, 14 a washing pipe drainage water valve, 15 a centrifugal machine, 16 a filter press, 17 a mother liquor recovery tank, 18 a mother liquor delivery pump, 19 a filter, 20 a fault reflux valve, 21 a clear water tower shower, 22 an alkaline liquor tower shower, 23 an alkaline liquor tower shower circulating pump and 24 a draught fan.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, an embodiment of the present invention includes:
the invention discloses a scraper unloading full-automatic production line of basic copper chloride, wherein the basic copper chloride is obtained by taking an alkaline etching solution and an acidic etching solution as raw materials to perform a neutralization reaction, and the production line comprises:
the raw material supply device comprises an alkaline solution tank 1, an acidic solution tank 2, an acid head tank 3, an alkaline head tank 4 and a water head tank 5; the alkaline etching liquid tank 1 is communicated with the alkaline head tank 4 through a pipeline, and an alkaline delivery pump 6 is arranged on the pipeline; the acidic etching liquid tank 2 is communicated with the acid elevated tank 3 through a pipeline, and an acid delivery pump 7 is arranged on the pipeline; the water elevated tank 5 is communicated with a reuse water source through a pipeline with a water valve. Through the design of the elevated tank, the raw materials are more convenient and controllable to be added into the reaction barrel.
Reaction barrels 8, the number of the reaction barrels 8 is more than 1, usually 3 reaction barrels are selected, each reaction barrel 8 is communicated with the acid head tank 3, the alkali head tank 4 and the water head tank 5 through pipelines, and an alkali dropping valve, an acid dropping valve and a water dropping valve are correspondingly arranged on each pipeline; each reaction barrel is connected with a steam source through a steam valve 9, and the reaction barrels are heated by hot steam; the bottom of each reaction barrel is communicated with a conveying main pipe 10 through a branch pipe, and the branch pipe at the bottom of each reaction barrel is provided with a bottom valve 11; one end of the main conveying pipe 10 is connected with a drainage device, the other end of the main conveying pipe is connected with a centrifugal discharging device, and a material conveying pump 12 is installed on a pipeline between the centrifugal discharging device and the main conveying pipe 10. Wherein, a filter 19 is arranged on a delivery main pipe 10 between the reaction barrel 8 and the material delivery pump 12 and is used for filtering impurities in the reaction liquid.
The drainage device comprises a clean water pipe 13 and a washing pipe drainage water valve 14, the clean water pipe 13 is connected with a clean water source and is communicated with the conveying main pipe 10, and the washing pipe drainage water valve 14 is installed on the clean water pipe 13 and is used for controlling whether clean water in the clean water pipe 13 flows out or not.
The centrifugal discharging device comprises a centrifugal machine 15, a filter press 16 and a mother liquor recovery tank 17; the feed end of the centrifuge 15 is communicated with the conveying main pipe 10, and the liquid outlet of the centrifuge is communicated with the filter press 16, so that the centrifugate thrown out by the centrifuge is subjected to filter pressing; a liquid outlet of the filter press 16 is communicated with the mother liquor recovery tank 17 and is used for collecting liquid pressed out by the filter press 16; a mother liquor delivery pump 18 is installed on a pipeline between the centrifuge 15 and the filter press 16.
The centrifuge 15 is internally provided with an oil cylinder (not shown) and a scraper (not shown), the oil pressure power output end of the oil cylinder is connected with the scraper, the oil cylinder is started in the process of the rotation of the inner container of the centrifuge, the oil pressure of the oil cylinder pushes the scraper to unload materials, and the full-automatic material cutting process of the close fit of the scraper and the rotation of the inner container of the centrifuge is realized.
A troubleshooting device comprising a troubleshooting return valve 20 mounted on a bypass conduit between the filter 19 and the centrifuge 15, the troubleshooting return valve 20 functioning to clean the conduit and clear plugging failures.
The waste gas recovery device comprises a clear water tower shower 21, an alkali liquor tower shower 22 and an alkali liquor tower shower circulating pump 23; wherein, the air inlet end of the clean water tower shower 21 is communicated with the top of the reaction barrel 8 through an air pipeline, and the liquid outlet at the bottom of the clean water tower shower 21 is communicated with the water head tank 5; the air outlet end of the clear water tower shower 21 is communicated with the air inlet of the alkali liquor tower shower 22 through an air pipeline, and an induced draft fan 24 is arranged on the air pipeline between the clear water tower shower 21 and the alkali liquor tower shower 22; the alkali liquor tower shower 22 is communicated with the alkali liquor tower shower circulating pump 23. Through the design of waste gas recovery unit, can react alkaline etching solution and acid etching solution and generate the waste gas that alkali copper chloride in-process produced, mainly for ammonia recovery neutralization or recycle, avoid producing waste gas pollution, realize environmental protection production, environmental protection.
And the scraper unloading full-automatic production line of the copper oxychloride is controlled by the controller program, on one hand, the operation of each process of the whole production line is automatically regulated and controlled, on the other hand, the oil pressure of the oil cylinder can be regulated and controlled, so that the rotation angle and the lifting stroke of the scraper are pushed by the oil pressure, and the automatic unloading is realized.
The invention also discloses a full-automatic scraper unloading control method for basic copper chloride, which comprises the following steps of adopting the full-automatic scraper unloading production line for basic copper chloride, under the control of a controller, enabling an alkaline etching solution tank, an acidic etching solution tank and reuse water to be in a reaction barrel, conveying reaction liquid obtained after neutralization reaction, and conveying the reaction liquid to a centrifugal unloading device for automatic unloading, wherein the method comprises the following steps:
(1) starting and draining a centrifugal machine: starting a centrifugal machine 15 to adjust to a medium speed, starting a centrifugal machine distributing device, opening a washing pipe drainage water valve 14 of a drainage device and a bottom valve at the bottom of a reaction barrel 8 to enable clean water to flow out for 5-10 s, and enabling the clean water to enter the reaction barrel through a main material conveying pipe 10 and the bottom valve of the reaction barrel 8 to achieve drainage;
(2) feeding by a centrifuge: starting the material conveying pump 12, feeding the materials in the reaction barrel 8 into the centrifuge 15, closing the washing pipe drainage valve 14, and normally and continuously feeding the centrifuge 15;
(3) the centrifuge normally feeds and is full, a material level device on the centrifuge 15 sends a full signal, a bottom valve of the reaction barrel 8 is closed, the washing pipe drainage water valve 14 is opened to wash the materials in the centrifuge, 5s before the washing is finished, the material conveying pump 12 is closed, and finally the washing pipe drainage water valve 14 is closed;
if the centrifuge 15 still oscillates before normal feeding and full feeding or the level indicator sends a full return signal, closing a bottom valve below the reaction barrel 8, opening the fault return valve 20 until the centrifuge 15 stops oscillating or the level indicator sends a return material non-full signal, closing the fault return valve 20, then opening the bottom valve below the reaction barrel 8, and recovering normal feeding by the centrifuge 15 until the normal feeding is completed;
(4) and (3) centrifugal treatment: closing a distributing device of the centrifugal machine 15, and adjusting the centrifugal machine 15 to rotate at a high speed at a speed of 500-1000 r/min for dehydration;
(5) discharging by a scraper: adjusting the centrifuge to rotate at a low speed of 50-150 r/min, starting the oil cylinder, and adjusting and controlling the oil pressure of the oil cylinder by the controller according to the viscosity or the loosening condition of the material to enable the oil cylinder to push the rotating angle and the lifting stroke of the scraper to be matched with the rotating speed of the centrifuge for scraping the material, so that full-automatic discharging is completed;
pushing a scraper to scrape materials under the pressure of an oil cylinder, scraping the materials by the scraper each time to be 2-3 cm in thickness, repeating the scraping process for 3 times, and finishing automatic discharging;
(6) and (3) resetting the scraper, manually shutting down the centrifuge (preventing the centrifuge from being mistakenly started when the filter cloth is replaced), cutting off a power supply, replacing the filter cloth, repeating the steps (1) to (5), and performing next centrifugal discharging operation.
Example 1
Acid etching solution and alkaline etching solution are used as raw materials and are temporarily stored in an acid solution tank and an alkaline solution tank respectively, and then are sent to an acid elevated tank and an alkaline elevated tank respectively by an acid delivery pump and an alkaline delivery pump. And opening a reuse water inlet valve to guide water into the dropwise water elevated tank, and respectively flowing the acidic etching solution, the alkaline etching solution and the water into respective dropwise adding header pipes and dropwise adding the acidic etching solution, the alkaline etching solution and the water into the reaction barrel through a dropwise adding valve. Under the conditions of stirring in a reaction barrel and direct steam heating to 60-75 ℃, three liquids are subjected to neutralization reaction in the reaction barrel to reach the Baume degree of 7-12 and the pH value of 4.5-4.8, and ammonia gas generated in the reaction process is recycled through a waste gas recovery device. And stopping dripping when the liquid level of the dripping reaction solution reaches 90-95% of the volume of the reaction barrel.
Opening a centrifuge for discharging:
starting a centrifugal machine, adjusting to a medium speed, opening a washing pipe water guide valve firstly after the feeding speed of the centrifugal machine is stable (about 2-3 minutes), then opening a bottom valve of a reaction barrel, and starting a material delivery pump when clear water flows to the reaction barrel through the washing pipe water guide valve and the bottom valve of the reaction barrel (about 5-10 seconds); when the material conveying pump is started for 5 seconds (water and materials enter the centrifugal machine), closing a washing pipe drainage water valve; when the material in the inner container of the centrifuge reaches 90-95% (when setting, controlling a valve and a material level machine), shutting down the feeding system, and the steps are as follows: closing a bottom valve of the reaction barrel, opening a washing pipe drainage water valve, delaying for about 5 seconds after the washing pipe drainage water valve is opened, stopping the material conveying pump, and closing the washing pipe drainage water valve 5 seconds later; when the material level device returns a full material signal, the bottom valve of the reaction barrel is closed, and the feeding return valve is opened; when the centrifuge vibrates, the bottom valve of the reaction barrel is closed, the return valve is opened, and when the vibration recovers, the feeding is returned again.
After the centrifuge is fully filled, the centrifuge is started, the inner container of the centrifuge is dehydrated at a high speed of 1000r/min for 15min, then the inner container of the centrifuge is adjusted to rotate at a low speed of 100r/min, an oil cylinder is started, a scraper is driven by the pressure of the oil cylinder to unload materials, the scraper scrapes 2-3 cm off each time, the operation is repeated for about 3 times, when all the materials in the inner container of the centrifuge are unloaded, the centrifuge is stopped, the power supply of the centrifuge is cut off, filter cloth of the inner container of the centrifuge is taken out and cleaned, a material accumulating tank is transported to a designated place, and water removed by the centrifuge is conveyed to a filter press through a.
The scraper unloading full-automatic control method of the copper chloride hydroxide realizes automatic control of operation of each process of the whole production line and on-line automatic unloading through the control action of the controller in the full-automatic production line, has high production efficiency and high unloading speed of the whole production line, saves labor and time cost, and is favorable for improving the production efficiency.
The above-mentioned components are all standard components or components known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine tests.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A scraper unloading full-automatic production line of basic copper chloride is characterized by comprising a raw material supply device, a reaction barrel, a drainage device and a centrifugal unloading device; the raw material supply device is communicated with the reaction barrel, and the bottom end of the reaction barrel is connected with a main material conveying pipe through a bottom valve; one end of the conveying main pipe is connected with the drainage device, and the other end of the conveying main pipe is connected with the centrifugal discharging device; and a material conveying pump is arranged on a pipeline between the centrifugal discharging device and the conveying main pipe.
2. The scraper discharge full-automatic production line of copper oxychloride of claim 1, wherein the raw material supply device comprises an alkali head tank, an acid head tank and a water head tank; an alkali dropping valve is installed on a pipeline between the alkali elevated tank and the reaction barrel, an acid delivery pump is installed on a pipeline between the acid elevated tank and the acidic solution tank, and a water dropping valve is installed on a pipeline between the water elevated tank and the reaction barrel.
3. The scraper unloading full-automatic production line of copper oxychloride as claimed in claim 1, wherein the drainage device comprises a clean water pipe and a wash pipe drainage water valve, the clean water pipe is communicated with the conveying main pipe, and the wash pipe drainage water valve is mounted on the clean water pipe.
4. The scraper unloading full-automatic production line of basic copper chloride according to claim 1, characterized in that a filter is installed on the conveying main pipe.
5. The scraper discharge fully-automatic production line of copper oxychloride of claim 4, wherein the production line further comprises a failed return valve, the failed return valve being mounted on a bypass conduit between the filter and the centrifugal discharge device.
6. The scraper unloading full-automatic production line of copper chloride hydroxide according to claim 5, wherein the centrifugal unloading device comprises a centrifuge, a scraper and an oil cylinder are mounted on the centrifuge, and the scraper is pushed to rotate by oil pressure of the oil cylinder during rotation of the centrifuge so as to realize scraper unloading.
7. The scraper discharge full-automatic production line of copper oxychloride of claim 1, wherein the production line further comprises an exhaust gas recovery device, wherein the exhaust gas recovery device comprises a clear water tower spray, an alkali liquor tower spray and an alkali liquor tower spray circulating pump; wherein, the air inlet end that the clear water tower drenches passes through gas piping and the top of reaction barrel communicates the gas outlet that the clear water tower drenches through with the air inlet that the alkali lye tower drenches, the alkali lye tower drenches with the circulation pump intercommunication is drenched to the alkali lye tower.
8. The full-automatic scraper discharging control method for basic copper chloride is characterized in that a production line according to any one of claims 1 to 8 is adopted, the production line further comprises a controller, and the full-automatic scraper discharging control method is controlled by the controller and comprises the following steps:
(1) starting and draining a centrifugal machine: opening a centrifuge, and opening a washing pipe drainage water valve and a reaction barrel bottom valve of a drainage device to enable clear water to flow out for a period of time;
(2) feeding by a centrifuge: starting a material conveying pump, enabling materials in the reaction barrel to enter a centrifuge, closing the washing pipe drainage valve, and enabling the centrifuge to normally and continuously feed materials;
(3) the centrifuge normally feeds and is full of materials, a material level device on the centrifuge sends a full signal, a bottom valve of the reaction barrel is closed, the washing pipe drainage water valve is opened for cleaning, the material conveying pump is closed, and finally the washing pipe drainage water valve is closed;
(4) and (3) centrifugal treatment: closing a material distributor of the centrifuge, and adjusting the centrifuge to rotate at a high speed at a speed of 500-1000 r/min for dehydration;
(5) discharging by a scraper: adjusting the centrifuge to rotate at a low speed at a speed of 50-150 r/min, starting the oil cylinder, and adjusting the oil pressure of the oil cylinder by the controller to enable the oil cylinder to push a scraper to scrape materials, so that full-automatic discharging is completed;
(6) stopping the machine, replacing the filter cloth, repeating the steps (1) to (5) and carrying out the next centrifugal unloading operation.
9. The full-automatic scraper discharging control method for basic copper chloride according to claim 8, characterized in that the scraper scraping process comprises: the thickness of the scraper is 2-3 cm, and the scraping is repeated for 3 times.
10. The method for full-automatic scraper discharge of copper oxychloride as claimed in claim 9, wherein before normal feeding and full feeding, the centrifuge also generates oscillation or the level indicator sends a full return signal, the bottom valve of the reaction tank is closed, the fault return valve is opened until the centrifuge stops oscillation or the level indicator sends a return material not full signal, the fault return valve is closed, the bottom valve of the reaction tank is opened, and the centrifuge returns to normal feeding.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115072763A (en) * | 2021-04-29 | 2022-09-20 | 阮氏化工（常熟）有限公司 | Device and method for producing basic copper nitrate by using copper-containing stripping and hanging liquid |
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| CN110563021A (en) * | 2019-10-16 | 2019-12-13 | 大冶有色金属有限责任公司 | method and device for harmlessly treating and recycling basic copper chloride |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072763A (en) * | 2021-04-29 | 2022-09-20 | 阮氏化工（常熟）有限公司 | Device and method for producing basic copper nitrate by using copper-containing stripping and hanging liquid |
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