CN106319571A - Compressed air system for crust breaking and discharging of aluminum electrolytic cell - Google Patents
Compressed air system for crust breaking and discharging of aluminum electrolytic cell Download PDFInfo
- Publication number
- CN106319571A CN106319571A CN201510352078.4A CN201510352078A CN106319571A CN 106319571 A CN106319571 A CN 106319571A CN 201510352078 A CN201510352078 A CN 201510352078A CN 106319571 A CN106319571 A CN 106319571A
- Authority
- CN
- China
- Prior art keywords
- crust breaking
- compressed air
- air line
- supply air
- cylinder
- 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
Abstract
The invention relates to a compressed air system, in particular to a compressed air system for crust breaking and discharging of an aluminum electrolytic cell. The compressed air system for crust breaking and discharging of the aluminum electrolytic cell comprises a first air supply pipeline and a second air supply pipeline. The first air supply pipeline supplies air to a crust breaking air cylinder, an aluminum discharging air cylinder and a constant-volume discharger. The second air supply pipeline supplies air to a pneumatic boiling disc. The compressed air system has the beneficial effects that the crust breaking action and the discharging action are separately controlled by electromagnetic valves, and separate crust breaking and discharging of any point of the aluminum electrolytic cell are achieved through a cell control machine in an electric control remote manner; the number of the air supply pipelines is reduced, and the operation space of the upper portion of the electrolytic cell is simplified greatly; and tail gas at an air cylinder part is adjusted through throttling valves and one-way valves and used for assisting the constant-volume discharger in discharging, energy saving and cost reduction are achieved, and the discharging accuracy is improved.
Description
Technical field
The present invention relates toOnePlant compressed air system, particularly relate to a kind of aluminum cell crust breaking blanking compressed air system.
Background technology
It are furnished with the pneumatic apparatus such as multiple crust breaking cylinder, constant-volume blanking device on modern large prebaked cell for aluminum-reduction, when electrolysis bath produces, crust breaking cylinder can regularly puncture electrolyte crust, by electrolysis bath produce needed for aluminium oxide and fluoride salt by constant-volume blanking device quantitative join in electrolysis bath, on these grooves, the power source of pneumatic apparatus is compressed air, so reasonably compressed air system is the properly functioning key of electrolysis bath crust-breaking blanking.Reasonably electrolysis bath crust-breaking blanking compressed air system is to ensure that electrolyte crust percent opening, rational alumina concentration and the basis of high current efficiency.
Traditional electrolysis bath crust-breaking blanking compressed air system uses special aluminium cell gas control cabinet to the crust breaking cylinder on groove, goes out aluminium cylinder and constant-volume blanking device carries out logic control, gas control cabinet not only takes up space, and invest higher, herein as a example by 6 crust breaking systems, the two-position three way magnetic valve in gas control cabinet and two-position four-way solenoid valve is utilized to control corresponding compressed air line, instruction is sent by electrolysis bath slot control machine, the control compressed air of timing orientation, can only realize three, three crust breakings, blanking action.When coordinating crust-breaking & baiting, compressed air system also wants the little pneumatic boiling dish of loose metal of the pneumatic boiling dish in supply bin and constant-volume blanking device periphery.So to realize the requirement of these crust-breaking & baiting systems, on groove, compressed air system the most at least to configure 8 compressed air steel pipes, together with the support of its upper pipeline, and compressed air system height about about 1 meter on whole groove.Traditional electrolysis bath material ramming system, can miss when pneumatic boiling dish action and partial material is blown out hopper, i.e. causes waste also can affect the alumina concentration of electrolysis bath.
But being as the change development of electrolysis tech, present electrolytic aluminium production process requires that electrolysis bath crust-breaking blanking system can realize single-point crust-breaking & baiting, i.e. realize pinpointing at any time and electrolysis bath is carried out material supplement.On traditional groove, compressed air system is the air utilizing electromagnetic valve to control in compressed air piping, indirectly controls the principle of the executive components such as cylinder, so the control of single-point crust-breaking & baiting cannot be realized.If transforming on traditional infrastructure, being still to be significantly increased compressed air piping quantity, so can safeguard to production management and cause great difficulty.
Summary of the invention
The present invention is contemplated to solve above-mentioned technical problem, and a kind of aluminum cell crust breaking blanking compressed air system provided, the electrically-controlled valve that purpose is available with on each cylinder installing realizes single-point crust breaking, blanking controls, and cylinder return tail gas boiling little to constant-volume blanking device dish can be utilized to supply, energy-saving and cost-reducing.
In order to realize the goal of the invention of the present invention, the present invention is achieved through the following technical solutions: aluminum cell crust breaking blanking compressed air system, including the first supply air line and the second supply air line, the first supply air line is crust breaking cylinder, goes out aluminium cylinder and constant-volume blanking device supply；Second supply air line is pneumatic boiling dish supply.
First supply air line air inlet is sequentially provided with air filter, air relief valve and oil sprayer, and the second supply air line is located between air relief valve and oil sprayer, and the second supply air line and the first supply air line are connected by threeway.
First supply air line is divided into two-way, one tunnel connects on the air inlet of the two-position-five-way solenoid valve being arranged on crust breaking cylinder top after maintenance ball valve, two-position-five-way solenoid valve body is connected, on the air inlet of the two-position four-way solenoid valve that another road is connected on constant-volume blanking device with epicoele, the cavity of resorption pore of crust breaking cylinder again respectively；Second supply air line is provided with two-position two-way solenoid valve.
The first supply air line leading to two-position four-way solenoid valve is provided with maintenance ball valve.
The gas outlet of the two-position-five-way solenoid valve that the epicoele of crust breaking cylinder is connected, utilizes tee pipe fitting, gas circuit is divided into two-way, and a road is joined directly together with exhaust and muffler tube；Another road blows material mouth through choke valve, check valve with the additional-air inlet on constant-volume blanking device.
The tail gas manually reversal valve group going out aluminium cylinder is connected with hush pipe.
Advantages of the present invention effect: crust breaking, blanking action all uses electromagnetic valve individually to control.Can pass through
Slot control machine is automatically controlled remotely realizes the independent crust breaking of electrolysis bath any point, blanking.Decrease supply air line quantity, simplify upper part of the electrolytic cell working place greatly.Cylinder portion tail gas, after choke valve and check valve regulate, is used for assisting constant-volume blanking device blanking to use, energy-saving and cost-reducing, improves blanking accuracy.
Cylinder portion exhaust emissions, to hush pipe, reduces system noise.This configuration is greatly reduced compressed air line quantity on groove, and supply air line is reduced to two by original eight, simplifies space on groove, provides means easily for realizing higher current efficiency and alumina concentration control.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure, the 1, first supply air line；2, the second supply air line；3, crust breaking cylinder；4, aluminium cylinder is gone out；5, constant-volume blanking device；6, pneumatic boiling dish；7, air filter；8, air relief valve；9, oil sprayer；10, hush pipe；11, two-position-five-way solenoid valve；12, two-position four-way solenoid valve；13, two-position two-way solenoid valve；14, maintenance ball valve；15, choke valve；16, check valve；17, hand-operated direction valve group.
Detailed description of the invention
Illustrate the present invention below in conjunction with example, but protection scope of the present invention is not limited by embodiment.
As shown in Figure 1, aluminum cell crust breaking blanking compressed air system of the present invention, as a example by 6 crust-breaking & baitings of 500kA electrolysis bath, including the first supply air line 1 and the second supply air line 2, the first supply air line 1 is crust breaking cylinder 3, go out aluminium cylinder 4 and constant-volume blanking device 5 supplies；Second supply air line 2 supplies for pneumatic boiling dish 6, it is achieved that pneumatic boiling dish 6 is controlled boiling under adjustable pressure to material, it is to avoid hopper occurs when pneumatic boiling that air pressure is excessive and causes hopper overflow phenomenon.
First supply air line 1 air inlet is sequentially provided with air filter 7, air relief valve 8 and oil sprayer 9, and the second supply air line 2 is located between air relief valve 8 and oil sprayer 9, and the second supply air line 2 is connected by threeway with the first supply air line 1.
First supply air line 1 is divided into two-way, one tunnel connects on the air inlet of the two-position-five-way solenoid valve 11 being arranged on crust breaking cylinder 3 top after maintenance ball valve 14, two-position-five-way solenoid valve 11 body is connected with epicoele, the cavity of resorption pore of crust breaking cylinder again respectively, and another road is connected on the air inlet of the two-position four-way solenoid valve 12 on constant-volume blanking device 5；Second supply air line 2 is provided with two-position two-way solenoid valve 13.
The first supply air line leading to two-position four-way solenoid valve 12 is provided with maintenance ball valve 14.
The gas outlet of the two-position-five-way solenoid valve 11 that the epicoele of crust breaking cylinder 3 is connected, utilizes tee pipe fitting, gas circuit is divided into two-way, and a road is joined directly together with exhaust and muffler tube 10；Another road blows material mouth through choke valve 15, check valve 16 with the additional-air inlet on constant-volume blanking device 5, for loosening the buildup around constant-volume blanking device 5.
The tail gas manually reversal valve group 7 going out aluminium cylinder 4 is connected with hush pipe 10.
The operation principle of the present invention is as follows:
Often the control principle of set crust-breaking & baiting device is identical, illustrates as a example by wherein set of device.
Electromagnetic valve in this cover system is equipped with control cable interface, is connected with electrolysis bath slot control machine, will can control the switch of electromagnetic valve by the program being previously written slot control machine.
Air filter 7 on first supply air line 1 is for cleaning compressed air, and air relief valve 8 thereon for being down to the pressure that electrolysis bath crust-breaking blanking device is suitable for by workshop gas source.Compressed air in system is mixed into lubricant mist by oil sprayer 9, lubricates for crust breaking cylinder.
Second supply air line lubricates without oil sprayer 9, and this kind of clean dried for the source of the gas of pneumatic boiling dish 6 without the compressed air of mist of oil, can make the boiling of the material in the hopper of constant-volume blanking device 5 place and not harden.
When electrolysis bath produces, slot control machine sends instruction when needing first set crust breaker crust breaking to puncture electrolyte crust, now compressed air enters into two-position-five-way solenoid valve 11 air inlet being arranged on crust breaking cylinder 3 top via the first supply air line 1 and maintenance ball valve 14, entering into crust breaking cylinder 3 epicoele, crust breaking cylinder 3 cavity of resorption is vented to the gas outlet of two-position-five-way solenoid valve simultaneously.So crust breaking cylinder epicoele air inlet, cavity of resorption aerofluxus, the descending realization of cylinder punctures the function of electrolyte crust.Meanwhile, the aerofluxus of crust breaking cylinder 3 cavity of resorption is discharged from the gas outlet of connected two-position-five-way solenoid valve 11.
After the descending realization of crust breaking cylinder punctures the function of electrolyte crust, when cylinder goes downwards to lowest order, i.e. can trigger the travel switch of cylinder itself, now cylinder issues a signal to slot control machine, slot control machine i.e. sends instruction, and two-position-five-way solenoid valve 11 commutates, now, compressed air the first air supply pipe 1 enters into two-position-five-way solenoid valve 11 air inlet being arranged on crust breaking cylinder 3 top to crust breaking cylinder 3 cavity of resorption, and crust breaking cylinder 3 epicoele is vented to the gas outlet of two-position-five-way solenoid valve simultaneously.So crust breaking cylinder cavity of resorption air inlet, epicoele aerofluxus, the up action realizing retracting of cylinder.Meanwhile, the aerofluxus of crust breaking cylinder 3 epicoele is discharged from the gas outlet of connected two-position-five-way solenoid valve 11.
Compressed air after discharge is divided into two-way via tee pipe fitting on pipeline, and a road, via (electrolysis bath is normally open when producing) after the maintenance ball valve 14 on pipeline, enters in hush pipe 10；The additional-air inlet that another road enters into constant-volume blanking device 5 via the choke valve 15 on pipeline, check valve 16 blows material mouth, play the effect of material near loosening constant-volume blanking device charging aperture, make constant volume precision purpose more accurately, serve again the effect utilizing partial tail gas energy-conservation.
After crust breaking cylinder 3 completes a crust breaking action, slot control machine sends and instructs to the two-position four-way solenoid valve 12 being arranged on constant-volume blanking device top, compressed air enters in the air inlet of two-position four-way solenoid valve 12 via main supply air line 1, its air inlet is connected with constant-volume blanking device 5 epicoele, meanwhile, the cavity of resorption of constant-volume blanking device 5 is connected with the gas outlet of two-position four-way solenoid valve 12.Then constant-volume blanking device epicoele air inlet, cavity of resorption aerofluxus, the unlatching of material constant volume device, material (aluminium oxide, electrolyte or fluoride salt) is just discharged from constant volume device, is completed blanking action.
After constant-volume blanking device 5 completes blanking action, slot control machine sends signal, two-position four-way solenoid valve 12 commutates, compressed air enters in the air inlet of two-position four-way solenoid valve 12 via the first supply air line 1, its air inlet is connected with constant-volume blanking device 5 cavity of resorption, meanwhile, the epicoele of constant-volume blanking device 5 is connected with the gas outlet of two-position four-way solenoid valve 12.Then constant-volume blanking device cavity of resorption air inlet, epicoele aerofluxus, the closedown of material constant volume device, constant-volume blanking device return to primitive age position, the material of periphery enters into constant volume device, completes feeding action.
Typically in order to make the material in hopper not harden, need more frequently material to be carried out pneumatic boiling with pneumatic boiling dish 6.Its control principle is as follows: slot control machine sends signal, signal makes the two-position two-way solenoid valve 13 on the second supply air line 2 be in open mode, compressed air will be according to the control pressure of air relief valve 8, via entering in pneumatic boiling dish 6 after the maintenance ball valve 14 on the second supply air line 2 and check valve 16, compressed air blows the material around boiling dish via the air permeable plate of pneumatic boiling dish 6 so that material is difficult to harden.When being made without material boiling, slot control machine sends signal, and signal makes 2/2-way electromagnetic valve 13 commutate, and is closed, and makes supply close, and pneumatic boiling dish 6 loses source of the gas power, thus realizes closing material boiling.
The action of above crust breaking cylinder 3, constant-volume blanking device 5 and pneumatic boiling dish 6 is only the action control principle of a set of crust-breaking & baiting device.Slot control machine can reserve multiple control signal, carries out logic control respectively to often overlapping crust-breaking & baiting device, thus achieves the co-operating overlapping crust-breaking & baiting device more.
It addition, it is easy to operate to be generally out aluminum in the end of electrolysis bath, reserved one goes out aluminium cylinder 4, also with a steel attacking head on it, for when carrying out aluminum operation, opening the electrolyte shell surface of electrolysis bath aluminium inlet.Its control principle is accomplished by out the control of aluminium cylinder and mainly uses manual operation；When operative's hand-operated direction valve group 17, reversal valve is opened, compressed air enters into out aluminium cylinder epicoele via the first supply air line 1, the compressed air of cavity of resorption is discharged in hush pipe 10 via hand-operated direction valve group 17 simultaneously, realize out aluminium cylinder 4 descending, on it, steel attacking head punctures shell face formation aluminium flowing-out mouth, it is simple to go out aluminum operation.
When after the function going out the descending realization of aluminium cylinder and puncturing electrolyte crust, when cylinder goes downwards to lowest order, workman operates artificial reversal valve group 17 again, reversal valve commutates, compressed air enters into out aluminium cylinder cavity of resorption via the first supply air line 1, the compressed air of epicoele is discharged in hush pipe 10 via hand-operated direction valve group 17 simultaneously, it is achieved go out aluminium cylinder 4 up, goes out aluminium cylinder 4 and retracts.Thus complete once to go out aluminium cylinder action.
Claims (6)
1. aluminum cell crust breaking blanking compressed air system, it is characterised in that include the first supply air line and the second supply air line, the first supply air line is crust breaking cylinder, goes out aluminium cylinder and constant-volume blanking device supply；Second supply air line is pneumatic boiling dish supply.
Aluminum cell crust breaking blanking compressed air system the most according to claim 1, it is characterized in that the first supply air line air inlet is sequentially provided with air filter, air relief valve and oil sprayer, second supply air line is located between air relief valve and oil sprayer, and the second supply air line and the first supply air line are connected by threeway.
Aluminum cell crust breaking blanking compressed air system the most according to claim 1, it is characterized in that the first supply air line is divided into two-way, one tunnel connects on the air inlet of the two-position-five-way solenoid valve being arranged on crust breaking cylinder top after maintenance ball valve, two-position-five-way solenoid valve body is connected, on the air inlet of the two-position four-way solenoid valve that another road is connected on constant-volume blanking device with epicoele, the cavity of resorption pore of crust breaking cylinder again respectively；Second supply air line is provided with two-position two-way solenoid valve.
Aluminum cell crust breaking blanking compressed air system the most according to claim 3, it is characterised in that the first supply air line leading to two-position four-way solenoid valve is provided with maintenance ball valve.
Aluminum cell crust breaking blanking compressed air system the most according to claim 3, it is characterised in that the gas outlet of the two-position-five-way solenoid valve that the epicoele of crust breaking cylinder is connected, utilizes tee pipe fitting, gas circuit is divided into two-way, and a road is joined directly together with exhaust and muffler tube；Another road blows material mouth through choke valve, check valve with the additional-air inlet on constant-volume blanking device.
Aluminum cell crust breaking blanking compressed air system the most according to claim 1, it is characterised in that the tail gas manually reversal valve group going out aluminium cylinder is connected with hush pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352078.4A CN106319571A (en) | 2015-06-24 | 2015-06-24 | Compressed air system for crust breaking and discharging of aluminum electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352078.4A CN106319571A (en) | 2015-06-24 | 2015-06-24 | Compressed air system for crust breaking and discharging of aluminum electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106319571A true CN106319571A (en) | 2017-01-11 |
Family
ID=57728728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352078.4A Pending CN106319571A (en) | 2015-06-24 | 2015-06-24 | Compressed air system for crust breaking and discharging of aluminum electrolytic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106319571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953482A (en) * | 2019-12-16 | 2020-04-03 | 云南云铝海鑫铝业有限公司 | Air pipe system for maintenance of aluminum electrolysis workshop without stopping air |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606257A (en) * | 1983-05-03 | 1986-08-19 | Swiss Aluminium Ltd. | Electropneumatic drive system for crust breaking devices and process for operating the same |
| CN1462819A (en) * | 2003-06-13 | 2003-12-24 | 沈阳铝镁设计研究院 | Utilizing tail gas from crust braking air cylinder of electrobath |
| CN1661136A (en) * | 2004-12-22 | 2005-08-31 | 沈阳铝镁设计研究院 | Crust breaking and loading control system for aluminum cell and control method |
| CN101457370A (en) * | 2008-05-27 | 2009-06-17 | 东北大学设计研究院（有限公司） | 400kA energy-saving and emission-reducing pre-baked aluminum cell |
| CN103132107A (en) * | 2013-03-04 | 2013-06-05 | 杭州哲达科技股份有限公司 | Crust breaking cylinder air throttle and testing device and testing method |
-
2015
- 2015-06-24 CN CN201510352078.4A patent/CN106319571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606257A (en) * | 1983-05-03 | 1986-08-19 | Swiss Aluminium Ltd. | Electropneumatic drive system for crust breaking devices and process for operating the same |
| CN1462819A (en) * | 2003-06-13 | 2003-12-24 | 沈阳铝镁设计研究院 | Utilizing tail gas from crust braking air cylinder of electrobath |
| CN1661136A (en) * | 2004-12-22 | 2005-08-31 | 沈阳铝镁设计研究院 | Crust breaking and loading control system for aluminum cell and control method |
| CN101457370A (en) * | 2008-05-27 | 2009-06-17 | 东北大学设计研究院（有限公司） | 400kA energy-saving and emission-reducing pre-baked aluminum cell |
| CN103132107A (en) * | 2013-03-04 | 2013-06-05 | 杭州哲达科技股份有限公司 | Crust breaking cylinder air throttle and testing device and testing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953482A (en) * | 2019-12-16 | 2020-04-03 | 云南云铝海鑫铝业有限公司 | Air pipe system for maintenance of aluminum electrolysis workshop without stopping air |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828202A (en) | Novel intelligent crust breaking cylinder | |
| CN106319571A (en) | Compressed air system for crust breaking and discharging of aluminum electrolytic cell | |
| CN209406888U (en) | A kind of ore intelligence dry-dressing machine high-pressure spray gun device | |
| CN203222265U (en) | Intelligent air cannon | |
| CN102618887A (en) | Combined integrated energy-saving adjustable electrical control pneumatic electrolytic aluminum crust breaking system | |
| CN203594974U (en) | Pressure stabilizing and reclaiming device for high-pressure nitrogen | |
| CN102506301A (en) | Compressed natural gas (CNG) secondary fueling station | |
| CN203299012U (en) | Gas and particle collection instrument | |
| CN202688827U (en) | Pneumatic control device of asphalt distribution truck | |
| CN107269855A (en) | Double-layer flap valve blanking system | |
| CN202302707U (en) | Compressed natural gas (CNG) storage and transportation gas filling trailer | |
| CN203834000U (en) | Vacuum spraying rotary target automatic exhauster | |
| CN202282276U (en) | Oiling device of magnetic resonance (MR) vacuum switch | |
| CN207229124U (en) | Underground grouting pulp shooting machine air supply device | |
| CN210763256U (en) | Quick loading attachment of RH vacuum refining furnace spray repair machine | |
| CN207004564U (en) | A kind of automatic sprayer | |
| CN202576589U (en) | Electrolytic vacuum ladle low-voltage ejector | |
| CN107552268B (en) | Air pump type spraying system for hydraulic mechanical engineering vehicle | |
| CN202597018U (en) | Air drum for air compressor of coal mine | |
| CN103451677B (en) | Crust breaking cylinder choking system and air supply method | |
| CN206846069U (en) | A kind of European explosion-proof gas-operated lock of emptying valve | |
| CN202302731U (en) | CNG (compressed natural gas) filling substation | |
| CN203822368U (en) | Active bulk flow water discharge apparatus | |
| CN203581698U (en) | Elevated barrel for storing aluminiumpaste | |
| CN101100760A (en) | Control method for electrolysis bath cylinder and control magnetic valve thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |