CN101565838B - Method and device for charging fluoride salt bin on electrobath - Google Patents
Method and device for charging fluoride salt bin on electrobath Download PDFInfo
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- CN101565838B CN101565838B CN2009100028773A CN200910002877A CN101565838B CN 101565838 B CN101565838 B CN 101565838B CN 2009100028773 A CN2009100028773 A CN 2009100028773A CN 200910002877 A CN200910002877 A CN 200910002877A CN 101565838 B CN101565838 B CN 101565838B
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Abstract
The invention discloses a method and a device for charging a fluoride salt bin on an electrobath, which belong to the technical field of electrolysis. In the device, an outlet of a concentrate phase delivering tank is connected with a concentrate phase conveying pipe connected with one or more of intermediate bins, the bottom of each intermediate bin is connected with one or more chutes, and the chutes are connected in a mode of parallel or serial or mixed connection when each intermediate bin is connected with the chutes. The method comprises the following steps that: (1) under the action of compressed air, fluoride salt powder enters the concentrate phase conveying pipe from the concentrate phase delivering tank and sequentially enters the intermediate bins connected with the concentratephase conveying pipe; and (2) air sources are supplied to the chutes, and the fluoride salt powder in the intermediate bins enters the fluoride slat bin. Due to the intermediate bins arranged between the chutes and a discharged material cutting device, the method and the device reduce investment and operation cost, facilitate productive operation. The method and the device have good application p rospects.
Description
Technical field
The invention belongs to the electrolysis tech field, particularly a kind of charging fluoride salt bin on electrobath method and device.
Background technology
At present, the mode that many electrolytic aluminium factories are artificial to the general employing of charging fluoride salt bin on electrobath or overhead traveling crane is reinforced.Adopt hand-fed to need a large amount of manpowers, the electrolyzer danger coefficient is bigger up and down, work loaded down with trivial details, waste time and energy; Adopt the reinforced workload that has increased overhead traveling crane of overhead traveling crane, and still need 2～3 people reinforced in the feeding device of overhead traveling crane lifting on the ground.Such feed way is waste of manpower and man-hour both, increases the overhead traveling crane workload again, causes overhead traveling crane shortening in work-ing life, maintenance load to increase, and causes the use of overhead traveling crane and maintenance cost to increase indirectly.
It according to the China national number of patent application that retrieves 200510047746.9 document, adopting automatically to the electrolyzer charging fluoride salt bin at present, the mode of control delivery system is: fluoride salt is by fluoride salt feed bin, pressurized air treatment system, concentrated phase conveying system, be transported in the potroom in the fluoride salt bin on the electrolyzer by the concentrated phase transfer line, this process is switched intake chute and order of addition(of ingredients) by minute batcher and by-pass valve control.Above-mentioned automatic transport mode is controlled complexity, and the transport pipe on every electrolyzer all must be equipped with a squeeze valve, a pressure unit is realized the defeated material of control automatically.Wherein per three electrolyzers are one group, in the time of for certain group electrolyzer dnockout, also need control the fluoride salt material and not carry to next group electrolyzer, so need to play the effect of blocking with a by-pass valve control on main line, promptly every group of electrolyzer must be equipped with a squeeze valve again.
In sum, the shortcoming of existing automatic conveying system has following several respects:
1, the position, reference mark is more automatically, needs more electric controling element, causes the Controlling System complex operation;
2, because controlling elements quantity is many, the automatic control number of cables also increases thereupon and walks the staggered complexity of circuit, and laying work is loaded down with trivial details;
3, after system's operation, because concentrated phase dnockout gaseous tension is very high, cause the squeeze valve diaphragm to damage easily, need often to change, maintenance service is loaded down with trivial details.
The high frequency of maintenance that the sequence of control of the control cable of the controlling elements of multiple spot position, big quantity, complexity and high pressure produce certainly will cause cost of investment and running cost high especially, about nearly ten million yuan of the cost of a whole set of automatic conveying system.Owing to involve great expense, many aluminium manufacturers abandon automatic conveying system and adopt manually or overhead traveling crane adds fluoride salt to electrolyzer, and time-consuming taking a lot of work made troubles to production.
Summary of the invention
At above technical problem, the invention provides a kind of charging fluoride salt bin on electrobath method and device.
Charging fluoride salt bin on electrobath device of the present invention comprises that fluoride salt feed bin, concentrated phase send jar, concentrated phase transport pipe, discharging shut-off device, intermediate bin, chute, concentrated phase and carry swollen hopper, fluoride salt bin and pressurized air treatment system.
The fluoride salt bin outlet connects concentrated phase and sends a jar inlet; Concentrated phase sends a jar outlet and connects the concentrated phase transport pipe, the concentrated phase transport pipe connects one or more intermediate bins, when connecting an intermediate bin, between concentrated phase transport pipe and the intermediate bin inlet concentrated phase is set and carries swollen hopper, when connecting a plurality of intermediate bin, the concentrated phase transport pipe is connected with one or more discharging shut-off devices, and concentrated phase transport pipe end is connected with a concentrated phase and carries swollen hopper; Concentrated phase carries the bottom of swollen hopper and each discharging shut-off device to be connected respectively to the top of an intermediate bin; It is one or more giving the concentrated phase transmission jar of intermediate bin feed, and the concentrated phase transport pipe is one or more.
The bottom of each intermediate bin connects one or more chutes, and when intermediate bin connected a plurality of chute, the mode of connection between the chute was in parallel or series connection or mixing connection.
Practical situation according to potroom, the quantity of intermediate bin is one or more, intermediate bin connects one or more main chutes, each main chute exit end connects one or more minutes chutes, the mode of connection of all chutes can or be mixed for serial or parallel connection and be connected, and is positioned at terminal branch chute and connects one or more fluoride salt bins; When main chute does not connect the branch chute, directly connect one or more fluoride salt bins.
Discharging shut-off device among the present invention is to be applicable to the air conveying valve of powder, valve combination or eddy flow blanking device.Wherein the eddy flow blanking device comprises leather bag, casing, valve plate, valve shaft, round clamp, annular pressing plate, opening for feed and discharge port; The leather bag bottom is connected with casing with bolt with annular pressing plate, and the center on leather bag top is connected with an end of valve shaft with bolt with round clamp, and the other end of valve shaft connects valve plate, and casing is connected with intermediate bin, and opening for feed and discharge port are communicated with box house.
The principle of work of eddy flow blanking device is:
Eddy flow blanking device opening for feed, discharge port is connected with the concentrated phase transport pipe, the bottom of casing is connected with intermediate bin, the fluoride salt powder enters in the eddy flow blanking device casing from the opening for feed of eddy flow blanking device, valve plate flattens leather bag because of deadweight with axle, make between valve plate and the eddy flow blanking device casing and form the circular channel, the fluoride salt powder enters intermediate bin by the circular channel that forms between valve plate and casing after entering eddy flow blanking device casing, after the material in the intermediate bin is full of, the air exhaust passage that material is blocked air exhausting device increases the intravital pressure of eddy flow blanking device case, the leather bag expansion drives valve shaft and valve plate moves up, circular channel between valve plate and blanking device casing is closed, the fluoride salt powder is carried to next eddy flow blanking device by discharge port, and the process that reaches as a same reason is transported to terminal concentrated phase to material by the concentrated phase transfer lime always and carries swollen hopper.
Intermediate bin among the present invention is provided with air exhausting device, and air exhausting device is for self filtering air exhausting device, the ventilator trunk that is connected with the chute epicoele or being communicated with the purification smoke exhaust pipe.
The air feed source of the chute among the present invention is for being furnished with the independent air feed system of blower fan, the super concentrated phase air feed system or the pressurized air of potroom; Wherein the air feed source adopts the set-up mode of super concentrated phase air feed system to be applicable to new factory building, and air feed system is applicable to original potroom transformation separately, and two kinds of conditions of pressurized air air feed all are fit to.
Intermediate bin of the present invention adopts automatization control or manually control to the conveying between the fluoride salt bin.When adopting automatization control, fluoride salt bin is provided with low stuff level switch and high charge level switch, sends signal by low stuff level switch and high charge level switch to automatic control system, and automatic control system begins or stop delivery of fluorinated salt powder in fluoride salt bin.
Pressurized air treatment system among the present invention is water and the oily device of removing in the pressurized air, prevents that moisture pressurized air with oil from making fluoride salt harden into piece.
Charging fluoride salt bin on electrobath method of the present invention is: adopt said apparatus, carry out according to the following steps:
1, adopt concentrated phase conveying system that the fluoride salt powder in the fluoride salt feed bin is transported to intermediate bin: concentrated phase conveying system comprises that fluoride salt feed bin, pressurized air treatment system, concentrated phase send jar, concentrated phase transport pipe, discharging shut-off device and concentrated phase and carry swollen hopper; The mode of delivery of fluorinated salt powder adopts manual control or automatic control mode to carry out, when adopting manual control mode, the fluoride salt powder is transported to concentrated phase from the fluoride salt feed bin send in the jar, under compressed-air actuated effect, the fluoride salt powder sends jar from concentrated phase and enters into the concentrated phase transport pipe; Successively the fluoride salt powder is transported in each intermediate bin by adjusting valve or discharging shut-off device then.
When adopting automatic control mode to carry out, its step is as follows:
When the concentrated phase transport pipe connected an intermediate bin, the fluoride salt powder entered concentrated phase from the concentrated phase pipeline and carries swollen hopper, enters intermediate bin then.When intermediate bin was filled, stuff level switch sent and feeds back signal to automatic control system, and automatic control system stops concentrated phase automatically and sends jar to concentrated phase transport pipe delivery of fluorinated salt powder, finishes the feed to intermediate bin this moment.
When the concentrated phase transport pipe connected a plurality of intermediate bin, the fluoride salt powder entered first discharging shut-off device from the concentrated phase pipeline; When the discharging shut-off device is valve or valve combination, pass through automatic control system, the intermediate bin that the concentrated phase transport pipe is connected with first discharging shut-off device is communicated with, and make the pipe sealing of first discharging shut-off device back, the fluoride salt powder enters first intermediate bin, and the air exhausting device in first intermediate bin is discharged unnecessary air; After first intermediate bin is filled, stuff level switch feedback signal on first intermediate bin, the Kai Heguan of automatic controlling system valve, the concentrated phase transport pipe and first intermediate bin are disconnected, and the pipeline of first discharging shut-off device back is communicated with, the fluoride salt powder is transported in second intermediate bin as stated above; When terminal intermediate bin was filled, the stuff level switch on the terminal intermediate bin sent and feeds back signal to automatic control system, and automatic control system stops the conveying of fluoride salt powder automatically, finished the feed to intermediate bin this moment.
When the concentrated phase transport pipe connected a plurality of intermediate bin, the fluoride salt powder entered first discharging shut-off device from the concentrated phase pipeline; When the discharging shut-off device is the eddy flow blanking device, eddy flow blanking device on the intermediate bin is all open-minded, when the fluoride salt powder enters first eddy flow blanking device, enter first intermediate bin by first eddy flow blanking device, the air exhausting device on first intermediate bin is discharged unnecessary air; When the fluoride salt powder is filled first intermediate bin, pressure in first intermediate bin raises, eddy flow blanking device bottom is closed automatically, fluoride salt powder in the concentrated phase transport pipe enters next eddy flow blanking device through first eddy flow blanking device, and enter next intermediate bin, according to above-mentioned steps, carry swollen hopper to enter last intermediate bin by concentrated phase up to the fluoride salt powder; When last intermediate bin was filled, stuff level switch sent and feeds back signal to automatic control system, and automatic control system stops concentrated phase automatically and sends jar to concentrated phase transport pipe delivery of fluorinated salt powder, finishes the feed to intermediate bin this moment.
2, adopt the chute delivery system that the fluoride salt powder in the intermediate bin is transported to fluoride salt bin on the electrolyzer: the chute delivery system comprises air feed system, serial or parallel connection or mix the chute that connects.Provide wind regime to chute, under wind effect, the fluoride salt powder in the chute enters in the fluoride salt bin.
The wind regime that adopts when the air feed system of chute is during for super concentrated phase air feed system, its mode of operation is: when the super concentrated phase air feed system of each startup is carried aluminum oxide to electrolyzer, super concentrated phase air feed system is given fluoride salt chute air feed by chute air feed mouth, and the fluoride salt powder is full of fluoride salt bin automatically through chute.
When the chute air feed system is when being furnished with the independent air feed system of blower fan, its manual work mode is: open independent air feed system, air feed mouth by chute is given fluoride salt chute air feed, the fluoride salt powder is full of fluoride salt bin automatically through chute, determines the number of times and the time of air feed according to the consumption of fluoride salt powder.Its automatic operation scheme is: along with the operation of electrolyzer, when the material level in the fluoride salt bin arrives the low material level of setting, low stuff level switch sends feedback signal to automatic control system, and the automatic controlling system blower fan is opened, and beginning is to the fluoride salt bin convey materials.When the material level in the fluoride salt bin arrived the high charge level of setting, the high charge level switch sent feedback signal to automatic control system, and the automatic controlling system blower fan stops, and stops to the fluoride salt bin convey materials.
When the chute air feed uses pressurized air, when the material level in the fluoride salt bin arrives the low material level of setting, low stuff level switch sends feedback signal to automatic control system, and the air feed valve opening of automatic controlling system chute is given the chute air feed, and beginning is to the fluoride salt bin convey materials.When the material level in the fluoride salt bin arrived the high charge level of setting, the high charge level switch sent feedback signal to automatic control system, and the air feed valve closes of automatic controlling system chute stops to the fluoride salt bin convey materials.
The present invention is by main chute and divide series and parallel or mixing between the chute to connect the mode that makes up, and distributes the delivery conduit of fluoride salt powder according to the different situations of potroom; And the automatic control of chute delivery system and the automatic control of concentrated phase conveying system is independent operating separately.
When concentrated phase conveying system among the present invention and chuting system adopt control automatically, dispose automatically controlled transmission route and execution unit and operation board, control process is according to the stuff level switch start-up control; The air feed system operation of the high charge level switch of position, end fluoride salt bin and low stuff level switch control chute, the stuff level switch control concentrated phase conveying system operation of intermediate bin.
Charging fluoride salt bin on electrobath device and method of the present invention, by between chute and discharging shut-off device, intermediate bin being set, the transmission of control fluoride salt powder from the concentrated phase conveying system to the fluoride salt bin, the process and the electric controling element of automatic control have been simplified, reduced cost of investment, made constructing operation and maintenance be easier to carry out simultaneously; Adopt apparatus and method of the present invention, in the running maintenance process, only need make regular check on the component of changing or repair the discharging shut-off device and get final product, running cost is lower; All the fluoride salt charging systems can be determined the volume of intermediate bin according to molecular ratio in the electrolyzer of different aluminum potroom and dnockout number of times, and intermediate bin is whenever made a fluoride salt powder just can carry out a plurality of workaday productions, has made things convenient for production operation; When concentrated phase conveying system broke down, the storage fluoride salt powder in the intermediate bin still can guarantee the supply of electrolyzer.The present invention has a good application prospect.
Description of drawings
Fig. 1 is the charging fluoride salt bin on electrobath device synoptic diagram in the embodiment of the invention 1;
Fig. 2 is the charging fluoride salt bin on electrobath device synoptic diagram in the embodiment of the invention 2;
Fig. 3 is the charging fluoride salt bin on electrobath device synoptic diagram in the embodiment of the invention 3;
Fig. 4 is the charging fluoride salt bin on electrobath device synoptic diagram in the embodiment of the invention 4;
Among the figure: 1, fluoride salt feed bin, 2, the pressurized air treatment system, 3, concentrated phase sends jar, 4, concentrated phase transport pipe, 5, the discharging shut-off device, 6, air exhausting device, 7, intermediate bin, 8, chute, 9, chute air feed mouth, 10, fluoride salt bin, 11, electrolyzer, 12, insulation joint, 13, the high charge level switch, 14, low stuff level switch, 15, concentrated phase carries swollen hopper.
Fig. 5 is the eddy flow blanking device structural representation in the embodiment of the invention;
Among the figure, 16, casing, 17, leather bag, 18, valve shaft, 19, opening for feed, 20, discharge port, 21, flange, 22, valve plate, 23, round clamp, 24, annular pressing plate.
Embodiment
Embodiment 1
The charging fluoride salt bin on electrobath device as shown in Figure 1, the mode of connection of concentrated phase conveying system is: fluoride salt feed bin 1 outlet connects concentrated phase and sends jar 3 inlets; Concentrated phase sends jar 3 outlets and connects concentrated phase transport pipes 4, concentrated phase transport pipe 42 the discharging shut-off devices 5 that are connected in series, and end is connected with a concentrated phase and carries swollen hopper 15, and wherein concentrated phase transport pipe 4 carries swollen hopper 15 to be connected with discharging shut-off device 5 and concentrated phase; Concentrated phase carries the bottom of swollen hopper 15 and each discharging shut-off device 5 to be connected respectively to the top of an intermediate bin 7, and the intermediate bin 7 that concentrated phase carries swollen hopper 15 to connect is provided with high charge level switch 13 and low stuff level switch 14; Pressurized air treatment system 2 connects concentrated phase and sends jar 3.
Each intermediate bin 7 is provided with air exhausting device 6, and this air exhausting device filters air exhausting device for self.Self filters air exhausting device and is installed in intermediate bin 7 tops, is made up of ventilation opening and filter screen, and mesh is less than fluoride salt powder particle grain size.
Intermediate bin 7 with the mode of connection of chuting system is: each intermediate bin 7 outlet is connected a chute 8, is provided with insulation joint 12 between intermediate bin 7 and the chute 8, and the outlet of chute 8 connects fluoride salt bin 10.Fluoride salt bin 10 belows are electrolyzer 11.Fluoride salt bin 10 is provided with low stuff level switch 14 of hopper and hopper high charge level switch 13.
Discharging shut-off device 5 is the eddy flow blanking device, structure as shown in Figure 4, leather bag 17 bottoms are connected with casing 16 with bolt with annular pressing plate 24, the center on leather bag 17 tops is connected with an end of valve shaft 18 with bolt with round clamp 23, the fixedly connected valve plate 22 of the other end of valve shaft 18, casing 16 outsides are provided with opening for feed 19 and discharge port 20, and the below of opening for feed 19 and discharge port 20 is provided with flange 21, flange 21 is connected with intermediate bin 7, and opening for feed 19 and discharge port 20 are communicated with box house.
The air feed system of chute is an independent air feed system of being furnished with blower fan.
Adopt said apparatus, the fluoride salt powder is transported to concentrated phase and sends in the jar from the fluoride salt feed bin, and under compressed-air actuated effect, the fluoride salt powder sends jar from concentrated phase and enters into the concentrated phase transport pipe.
The eddy flow blanking device is all open-minded under state of nature, when the fluoride salt powder enters first eddy flow blanking device, enters first intermediate bin by first eddy flow blanking device, and the air exhausting device on first intermediate bin is discharged unnecessary air; When the fluoride salt powder is filled first intermediate bin, material is blocked the air exhausting device blast inlet, pressure in first intermediate bin raises, leather bag expands, and eddy flow blanking device valve plate is closed automatically, and the fluoride salt powder in the concentrated phase transport pipe enters next eddy flow blanking device through first eddy flow blanking device, and enter next intermediate bin, when last intermediate bin was filled, the high charge level switch sent and feeds back signal to the conveying that automatic control system stops the fluoride salt powder, finished the feed to intermediate bin this moment.
Along with the operation of electrolyzer, when the material level in the fluoride salt bin of position, end arrived the low material level of setting, the low stuff level switch of hopper sent feedback signal to automatic control system, and automatic controlling system control blower fan is opened, and beginning is to the fluoride salt bin convey materials.When the material level in the fluoride salt bin arrived the high charge level of setting, hopper high charge level switch sent feedback signal to automatic control system, and the automatic controlling system blower fan cuts out, and stops to the fluoride salt bin convey materials.
Automatic control part: send jar and chuting system outfit PLC system to concentrated phase, realize concentrated phase conveying control and chute conveying control, and the responsible material level signal that receives intermediate bin and fluoride salt bin on electrobath, sending concentrated phase carries control and chute to carry control starting and stop instruction, be responsible for the action command that all participate in the power element of automatic control simultaneously, finish the self-feeding process.
When the material level in the fluoride salt bin is lower than the low material level of setting, the low stuff level switch of hopper sends signal and gives the PLC Controlling System, the PLC Controlling System detects the interior material level of intermediate bin after receiving low material level signal, if the material level in the intermediate bin is higher than the low material level of setting, just send instruction and open blower fan feed in fluoride salt bin, when the material level in the fluoride salt bin is higher than the high charge level of setting, hopper high charge level switch sends signal and gives the PLC Controlling System, the PLC Controlling System is just sent instruction and is closed blower fan, stops feed in fluoride salt bin.When the fluoride salt material level in the intermediate bin is lower than the low material level of setting, the PLC Controlling System can detect the material level in the fluoride salt storehouse, just to open concentrated phase conveying system reinforced to intermediate bin if material level is higher than the low material level of setting, when the fluoride salt material level in the intermediate bin arrives the high charge level of setting, the high charge level switch sends signal and gives the PLC Controlling System, the PLC Controlling System is just sent instruction and is closed concentrated phase conveying system, stops feed in intermediate bin.
Embodiment 2
The charging fluoride salt bin on electrobath device as shown in Figure 2, the mode of connection of concentrated phase conveying system is with embodiment 1; Difference is that the exhaust outlet of the air exhausting device of intermediate bin is communicated with the chute epicoele, carries out air draft through the chute exhaust duct.
The air feed source of chute is the super concentrated phase air feed system of potroom.
Intermediate bin with the mode of connection of chuting system is: each intermediate bin bottom is connected a main chute, and the outlet of main chute connects a branch chute, divides between chute and the main chute to be provided with insulation joint, divides the outlet of chute to connect two fluoride salt bins.The fluoride salt bin below is an electrolyzer.Have at least a fluoride salt bin to be provided with low stuff level switch and high charge level switch in the fluoride salt bin on each electrolyzer.
The mode of operation of concentrated phase conveying system is with embodiment 1, the mode of operation of chuting system is: when the super concentrated phase air feed system of each startup is carried aluminum oxide to electrolyzer, super concentrated phase air feed system is given fluoride salt chute air feed by chute air feed mouth, the fluoride salt powder is full of fluoride salt bin automatically through chute, when the aluminum oxide feed finishes, blower fan cuts out, and chute also stops to the fluoride salt bin feed.
Automatic control part: send jar and chuting system outfit PLC system to concentrated phase, realize concentrated phase conveying control and chute conveying control, and the responsible material level signal that receives intermediate bin and fluoride salt bin on electrobath, sending concentrated phase carries control and chute to carry control starting and stop instruction, be responsible for the action command that all participate in the power element of automatic control simultaneously, finish the self-feeding process.
Concentrated phase conveying system sends jar to intermediate bin delivery of fluorinated salt powder by the stuff level switch control concentrated phase of intermediate bin, and chute air feed system and aluminum oxide feed carry out simultaneously.
The charging fluoride salt bin on electrobath device as shown in Figure 3, the mode of connection of concentrated phase conveying system is: the fluoride salt bin outlet connects concentrated phase and sends a jar inlet; Concentrated phase sends a jar outlet and connects the concentrated phase transport pipe, concentrated phase transport pipe end is connected with a concentrated phase and carries swollen hopper, the concentrated phase transport pipe connects 2 intermediate bins by branch pipeline, branch pipeline is provided with hard sealing pneumatic ball valve, and the concentrated phase transport pipe carries swollen hopper to connect an intermediate bin by concentrated phase; And the main line pipeline of the concentrated phase transport pipe between adjacent two intermediate bins is provided with a hard sealing pneumatic ball valve, and each intermediate bin is provided with stuff level switch; The pressurized air treatment system connects concentrated phase and sends jar.
Each intermediate bin is provided with air exhausting device, and this air exhausting device is and purifies the exhaust duct that smoke exhaust pipe is communicated with.
Intermediate bin with the mode of connection of chuting system is: each intermediate bin bottom is connected a main chute, and the outlet of main chute connects 2 branch chutes, divides between chute and the main chute to be provided with insulation joint, divides the outlet of chute to connect fluoride salt bin.The fluoride salt bin below is an electrolyzer.
The air feed source of chute is the pressurized air of pneupress system, and pressurized air enters chute after the reducing valve reduced pressure treatment.
The mode of operation of concentrated phase conveying system is: pass through automatic control system, the concentrated phase transport pipe is communicated with first intermediate bin, and first intermediate bin is cut off with two intermediate bins of back, the fluoride salt powder enters first intermediate bin, and the air exhausting device in first intermediate bin is discharged unnecessary air; After first intermediate bin is filled, stuff level switch feedback signal on first intermediate bin, the Kai Heguan of automatic controlling system valve disconnects the concentrated phase transport pipe and first intermediate bin, and be communicated with second intermediate bin, the fluoride salt powder be transported in second intermediate bin as stated above; When terminal intermediate bin was filled, the stuff level switch on the terminal intermediate bin sent and feeds back signal to automatic control system, and automatic control system stops the conveying of fluoride salt powder automatically, finished the feed to intermediate bin this moment.
The mode of operation of chuting system is: when the material level in the fluoride salt bin arrives the low material level of setting, low stuff level switch sends feedback signal to automatic control system, the air feed valve opening of automatic controlling system chute is given the chute air feed, and beginning is to the fluoride salt bin convey materials.When the material level in the fluoride salt bin arrived the high charge level of setting, the high charge level switch sent feedback signal to automatic control system, and the air feed valve closes of automatic controlling system chute stops to the fluoride salt bin convey materials.
Automatic control part: send jar and chuting system outfit PLC system to concentrated phase, realize concentrated phase conveying control and chute conveying control, and the responsible material level signal that receives intermediate bin and fluoride salt bin on electrobath, sending concentrated phase carries control and chute to carry control starting and stop instruction, be responsible for the action command that all participate in the power element of automatic control simultaneously, finish the self-feeding process.
The stuff level switch control concentrated phase that concentrated phase conveying system passes through intermediate bin sends jar to intermediate bin delivery of fluorinated salt powder, and the chute air feed system is controlled the air feed valve that pneupress system is connected with chute by the stuff level switch of fluoride salt bin.Other mode of operation are with embodiment 1.
The charging fluoride salt bin on electrobath device as shown in Figure 4, the mode of connection of concentrated phase conveying system is: fluoride salt feed bin 1 outlet connects two concentrated phases and sends a jar inlet; Two concentrated phases send a jar outlet and connect concentrated phase transport pipes, concentrated phase transport pipe 2 the discharging shut-off devices that are connected in series, and end is connected with a concentrated phase and carries swollen hopper, and wherein the concentrated phase transport pipe carries swollen hopper to be connected with discharging shut-off device and concentrated phase; Concentrated phase carries the bottom of swollen hopper and each discharging shut-off device to be connected respectively to the top of an intermediate bin, and the intermediate bin that concentrated phase carries swollen hopper to connect is provided with high charge level switch and low stuff level switch; The pressurized air treatment system connects two concentrated phases and sends jar.
Intermediate bin with the mode of connection of chuting system is: each intermediate bin outlet is connected two chutes, is provided with insulation joint between intermediate bin and the chute, and the outlet of chute connects fluoride salt bin.The fluoride salt bin below is an electrolyzer.Fluoride salt bin is provided with low stuff level switch of hopper and hopper high charge level switch.
The mode of operation of concentrated phase conveying system and chuting system is with embodiment 1; Automatic control part is with embodiment 1; Air feed system is with embodiment 1.
Claims (5)
1. charging fluoride salt bin on electrobath device, comprise the fluoride salt feed bin, concentrated phase sends jar, the concentrated phase transport pipe, concentrated phase is carried swollen hopper, pressurized air treatment system and fluoride salt bin, it is characterized in that: concentrated phase sends a jar outlet and connects the concentrated phase transport pipe, the concentrated phase transport pipe connects one or more intermediate bins, when connecting an intermediate bin, between concentrated phase transport pipe and the intermediate bin inlet concentrated phase is set and carries swollen hopper, when connecting a plurality of intermediate bin, the concentrated phase transport pipe is connected with one or more discharging shut-off devices, and concentrated phase transport pipe end is connected with a concentrated phase and carries swollen hopper; Concentrated phase carries the bottom of swollen hopper and each discharging shut-off device to be connected respectively to the top of an intermediate bin; The bottom of each intermediate bin connects one or more chutes, when intermediate bin connects a plurality of chute, mode of connection between the chute is in parallel or series connection or mixing connection, the chute discharge port connects the import of one or more fluoride salt bins, it is one or more giving the concentrated phase transmission jar of intermediate bin feed, and the concentrated phase transport pipe is one or more; Chute air feed mouth is set on the described chute, and the air feed source of chute is for being furnished with the independent air feed system of blower fan, the super concentrated phase air feed system or the pressurized air of potroom.
2. a kind of charging fluoride salt bin on electrobath device according to claim 1, it is characterized in that described intermediate bin is provided with air exhausting device, the exhaust duct of air exhausting device for self filtering air exhausting device, the exhaust duct that is connected with the chute epicoele or being communicated with the purification smoke exhaust pipe.
3. a kind of charging fluoride salt bin on electrobath device according to claim 1, it is characterized in that described discharging shut-off device is valve, valve combination or eddy flow blanking device, wherein the eddy flow blanking device comprises leather bag, casing, valve plate, valve shaft, opening for feed and discharge port; The leather bag bottom is connected with casing, and the center on leather bag top is connected with an end of valve shaft, and the other end of valve shaft connects valve plate, and casing is connected with intermediate bin, and opening for feed and discharge port are communicated with box house.
4. charging fluoride salt bin on electrobath method, it is characterized in that adopting the described charging fluoride salt bin on electrobath device of claim 1, carry out according to the following steps: (1) is transported to concentrated phase with the fluoride salt powder and sends in the jar from the fluoride salt feed bin, under compressed-air actuated effect, the fluoride salt powder sends jar from concentrated phase and enters into the concentrated phase transport pipe, and enters each intermediate bin that the concentrated phase transport pipe is connected; (2) provide wind regime to chute, under wind effect, the fluoride salt powder in the intermediate bin enters in the fluoride salt bin.
5. a kind of charging fluoride salt bin on electrobath method according to claim 4 is characterized in that described step (1) or step (2) adopt control automatically or manual control to carry out; When adopting automatic control to carry out, all disposing automatically controlled transmission route and execution unit and operation board in the systems, control process is according to the stuff level switch start-up control; Fluoride salt bin is provided with the air feed system operation of high charge level switch and low stuff level switch control chute, and intermediate bin is provided with the operation of stuff level switch control concentrated phase conveying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100028773A CN101565838B (en) | 2008-02-03 | 2009-01-22 | Method and device for charging fluoride salt bin on electrobath |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100103572A CN101307468A (en) | 2008-02-03 | 2008-02-03 | Feeding method and device of fluoride salt bin on electrolytic tank |
| CN200810010357.2 | 2008-02-03 | ||
| CN2009100028773A CN101565838B (en) | 2008-02-03 | 2009-01-22 | Method and device for charging fluoride salt bin on electrobath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101565838A CN101565838A (en) | 2009-10-28 |
| CN101565838B true CN101565838B (en) | 2011-09-14 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100103572A Pending CN101307468A (en) | 2008-02-03 | 2008-02-03 | Feeding method and device of fluoride salt bin on electrolytic tank |
| CN2009100028773A Expired - Fee Related CN101565838B (en) | 2008-02-03 | 2009-01-22 | Method and device for charging fluoride salt bin on electrobath |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100103572A Pending CN101307468A (en) | 2008-02-03 | 2008-02-03 | Feeding method and device of fluoride salt bin on electrolytic tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101307468A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122464B (en) * | 2011-11-21 | 2015-11-04 | 沈阳铝镁设计研究院有限公司 | Materials device and method under aluminum oxide warehouse |
| CN107144320B (en) * | 2017-05-16 | 2020-02-21 | 聊城信源集团有限公司 | Aluminum electrolysis chute charging detection system and working method thereof |
| CN109770327B (en) * | 2019-03-28 | 2024-04-05 | 宁波长荣酿造设备有限公司 | Food processing equipment and anti-leakage device |
-
2008
- 2008-02-03 CN CNA2008100103572A patent/CN101307468A/en active Pending
-
2009
- 2009-01-22 CN CN2009100028773A patent/CN101565838B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101307468A (en) | 2008-11-19 |
| CN101565838A (en) | 2009-10-28 |
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