CN109051536A - A kind of dedicated embedded scraper transporter of graphite cathode raw material - Google Patents
A kind of dedicated embedded scraper transporter of graphite cathode raw material Download PDFInfo
- Publication number
- CN109051536A CN109051536A CN201811013175.0A CN201811013175A CN109051536A CN 109051536 A CN109051536 A CN 109051536A CN 201811013175 A CN201811013175 A CN 201811013175A CN 109051536 A CN109051536 A CN 109051536A
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- Prior art keywords
- interlude
- nitrogen
- raw material
- section
- graphite cathode
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000010439 graphite Substances 0.000 title claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 39
- 239000002994 raw material Substances 0.000 title claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 85
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000004880 explosion Methods 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000013022 venting Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 46
- 238000009304 pastoral farming Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 239000013590 bulk material Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000003631 expected effect Effects 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/04—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels
- B65G19/06—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A kind of dedicated embedded scraper transporter of graphite cathode raw material, including head, changeover portion, first interlude, overhaul section, second interlude and tail portion, the head, changeover portion, first interlude, overhaul section, second interlude and tail portion sealing are integral, nitrogen interface is successively fixed with above the overall structure, fire water interface, thermometer, pressure gauge, venting of dust explosion mouth, oxygen content testing instrument and nitrogen discharge mouth, nitrogen interface, fire water interface, nitrogen discharge mouth is equipped with solenoid valve, solenoid valve, thermometer, pressure gauge, oxygen content testing instrument and the motor of driving equipment operation are connect by circuit with DCS control system.A kind of dedicated embedded scraper transporter of graphite cathode raw material provided by the invention, transfer efficiency is high, and failure rate is low, save the cost.
Description
Technical field
The present invention relates to embedded scraper transporter, especially a kind of dedicated embedded scraper transporter of graphite cathode raw material.
Background technique
It is to pass through pneumatic transporting that the graphite cathode raw material of traditional lithium battery industry, which heats laggard cooler cooling in reaction kettle,
Equipment is sent to convey.Graphite cathode material temperature after heating reaches 650 DEG C or more, requires conveying equipment must during transportation
Palpus high temperature resistant, good airproof performance, it is necessary to assure oxygen content≤100ppm in equipment.Such as during transportation oxygen content >
100ppm, then material will aoxidize, seriously meeting is naturally, cause to explode.Traditional pneumatic transport equipment is heated in conveying
When rear graphite cathode raw material, it may appear that high failure rate, easy putty, air source quality is required it is high, the problems such as hardly possible maintenance, and not
Oxygen concentration, temperature, the pressure etc. in equipment can be monitored in real time in real time, it cannot be intelligent when encountering burst safety problem
Change processing problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of dedicated embedded scraper transporters of graphite cathode raw material, by graphite
Cathode raw material is changed to by pneumatic transport equipment conveying and is conveyed by embedded scraper transporter, and not only transfer efficiency is high, and later period event
Barrier rate is low, reduces entreprise cost.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of dedicated embedded scraper transporter of graphite cathode raw material, including head, changeover portion, the first interlude, maintenance section, in second
Between section and tail portion, the head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion sealing it is integral, this is whole
Body superstructure is successively fixed with nitrogen interface, fire water interface, thermometer, pressure gauge, venting of dust explosion mouth, oxygen content testing instrument and nitrogen
Gas discharge outlet, nitrogen interface, fire water interface, nitrogen discharge mouth are equipped with solenoid valve, solenoid valve, thermometer, pressure gauge, oxygen-containing
Amount detector and the motor of driving equipment operation are connect by circuit with DCS control system.
The shell of the head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion passes through welding side
Formula is made.
Pass through hex bolts, bullet between the head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion
Spring gasket, plain washer, hex nut and graphite grazing pad, the connection of high-temperature seal adhesive removable seal.
The changeover portion, the first interlude, maintenance section, the second interlude lower part of the housing be several fonts, conveying scraper plate
It is placed in a few font troughs, deflector chute is installed, deflector chute block to carrier chain and guide above a few font troughs.
The changeover portion, the first interlude, maintenance section, the second interlude housing bottom water leg, water leg are installed
Water inlet pipe is equipped on the downside of one end, other end upside is equipped with outlet pipe.
The housing parts that the changeover portion, the first interlude, maintenance section, the second interlude are contacted with material are stainless steel
316L steel plate, the housing parts that changeover portion, the first interlude, maintenance section, the second interlude are not contacted with material are stainless steel 304
Steel plate.
The changeover portion, the first interlude overhaul section, are provided with upper rail, lower guideway in the shell of the second interlude,
Middle upper rail is light rail, and lower guideway is wear-resisting square steel bar.
The chain of the embedded scraper transporter uses double strand chain, and every chain is made of multiple roll wheel assemblies, roll wheel assembly packet
Pairs of idler wheel is included, pairs of idler wheel is mounted on side plate, can be rolled with respect to side plate.And between adjacent side plate then with connecting plate
It is hingedly integrally formed, the idler wheel lower edge is lower than side plate bottom.
It is provided in the maintenance section and easily opens maintenance door, including maintenance door main body, maintenance door lower body and apparatus casing
Sealing bolt connection overhauls door main body upper end opening and is hinged with cover board, is equipped between cover board and maintenance door main body three-layer sealed
Structure and the high temperature resistance and high strength hasp locking for passing through the other end;The U-shaped foaming sealing strip of the three-layer sealed structure, high temperature resistant sheep
Felt and asbestos cord, U-shaped foaming sealing strip are hung upside down on the baffle ring of outmost turns, and high temperature resistant wool felt and asbestos cord are successively set respectively
It sets and is accommodated in slot what access hole edge and another two baffle ring were formed.
A kind of graphite cathode feedstock transportation method, including the following steps:
Step 1: head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion each section shell are welded into itself
Whole, head, changeover portion, the first interlude, maintenance section use spring shim, plain washer, stone between the second interlude and tail portion
Black gasket, high-temperature seal adhesive are padded, and multiple hex bolts, hex nut is recycled to be locked, to complete entirety
Sealed connection, avoided from this body structure of equipment reveal and keep amount of oxygen exceeded;
Step 2: the lower part of the housing of the second interlude is set as several fonts by changeover portion, the first interlude, maintenance section, falling
Lower guideway, upper rail are successively installed above a few font shells, lower guideway uses wear-resisting square steel bar, and upper rail uses light rail,
Flight chain is arranged on lower guideway, upper rail, and the scraper plate of flight chain is located in a few font troughs, and chain is then
On the upper rail, lower guideway of upper end, so that raw material be avoided to contact with enclosure interior drive member, guarantee the resistance to of equipment itself
It is high temperatures.
Step 3: in changeover portion, the first interlude, maintenance section, the housing bottom of the second interlude is arranged water leg, works as height
Warm raw material by when carry out water cool.
Step 4: carrying out oxygen concentration control by input nitrogen.
Step 4 again the following steps are included:
1) before, conveying graphite cathode raw material, the solenoid valve for first controlling nitrogen interface is rushed into dedicated embedded scraper transporter body
Enter nitrogen, until oxygen content testing instrument shows oxygen concentration≤100ppm, shows that pressure is 10-30Pa in body on pressure gauge.
Meanwhile by water inlet pipe to being passed through cooling water in water leg.Then, the blanking of scrapper conveyor upstream equipment is controlled, material passes through charging
After mouthful, material can be directed into bottom plate trough (in zigzag shape) by two-stage deflector chute, scraper chain is then driven by driving device
Item operating, so that material is transported to head discharge mouth discharging, flight chain is not contacted with material during this, only scraper plate and object
Material contact;
2), in the process of running, bulk material conveying equipment intelligence explosion protection system is constantly in monitoring and analysis state to material,
If detecting that oxygen concentration > 100ppm, DCS control system can control to adjust the solenoid valve of nitrogen interface, thus accelerate to
Nitrogen is poured in vivo, until oxygen concentration is qualified;
3), when temperature or air pressure are more than level-one preset threshold, sending alarm signal, while the thing among DCS system control equipment
Gu Chongdankou is filled with a large amount of nitrogen into cavity and opens the solenoid valve at top nitrogen discharge outlet, reaches pressure release and fire-retardant prevents
Temperature increases;
If 4), the above processing is not up to expected effect, equipment downtime when temperature is more than second level preset threshold automatically opens and disappears
It is explosion-proof that waterproof port implements fire extinguishing, and stops the operation of whole system;
5), the use of venting of dust explosion mouth is when reaching dangerous air pressure in equipment cavity, to crush the thin aluminum sheet on venting of dust explosion mouth top, keeps chamber intracorporal
Air pressure obtains instantaneous relase, eliminates the danger of explosion.
A kind of dedicated embedded scraper transporter of graphite cathode raw material of the present invention, has following technical effect that
1), the casing of head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion itself, which passes through, is welded,
Connecting flange between head, changeover portion, the first interlude, maintenance section, the second interlude and tail portion is using integrated blanking, entirety
Production is bolted between flange and flange using high temperature resistant graphite grazing pad, and is connect by the way that nitrogen is arranged in equipment
Mouthful, material constantly pours nitrogen into body, makes oxygen concentration≤100ppm in body in conveying, guarantees the effective of transport
Property.So that the equipment becomes closed type embedded scraper transporter, for pneumatic transport equipment, structure is simple, easy processing system
It produces.
High temperature resistant, good seal performance, anti-pressure ability is strong, no backup, and transfer efficiency is high, while equipment later period failure rate is low,
Vulnerable part is easily replaced, and in process of production, labor workload is few by user, and personnel demand amount is few, reduces user's enterprises using the labor cost.
2), by the way that the two poles of the earth deflector chute is arranged in casing, it can avoid high-temperature material when falling and chain contact, and pass through
Be arranged the conveyor pan of falling zigzag shape, can avoid high-temperature material conveying when and chain contact, extend the service life of equipment, reduction
Failure generates, and no backup, while also improving the whole high temperature resistance of equipment itself and compressive property.
3), in addition also pressure in the oxygen concentration, machine body temperature, body of equipment is supervised using DCS control system
Control meets emergency safety situation and carries out intelligent processing, guarantees that the safety of equipment operates normally.
4) Stainless steel 316 L, is set by contacting the position of high-temperature material in shell, uses stainless steel 304 elsewhere,
Both it can guarantee that equipment operated normally and (has preferable heat-resisting quantity), while also save the cost.
5), by using roller chain, and lower guideway uses wear-resisting square steel bar, and wear-resisting square steel bar is welded in concave groove
Top reduces the abrasion of chain so that chain only has the probability of very little to contact with material when running, and high-temperature material is come
It says, even more keeps apart high-temperature material and chain, chain hot soak condition is avoided to run, that improves chain uses the longevity
Life.Upper rail uses national standard light rail, makes to form rolling friction between the idler wheel of chain and light rail, to reduce equipment operation
When noise, simultaneously because the light rail used saves material but also intermediate partition eliminates in this way.
6), by locking cover board by heat-resistant, high strength degree hasp, facilitate opening and closing;Simultaneously cover board and maintenance door main body it
Between by setting three seals, using cover board for a long time to the pretightning force of sealing element, compress sealing, meet envelope and be covered with dust the requirement of gas,
Meet the air-tightness under hot conditions, while achieving the purpose that easily to open maintenance, so that equipment can be maintained at 500 degrees Celsius for a long time
At a temperature of stable operation.In addition it is greater than the sealing strip of maintenance door metal, the operating condition that reaches a high temperature equipment using linear expansion coefficient
Expand the requirement still sealed.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is main view of the invention.
Fig. 2 is the cross-sectional view in Fig. 1 at A.
Fig. 3 is the top view of flight chain in the present invention.
Fig. 4 is the main view of flight chain in the present invention.
Fig. 5 is the cross-sectional view (second) in Fig. 1 at A.
Fig. 6 is the main view that maintenance door is easily opened in the present invention.
In figure: head 1, driving chain 2, driving device 3, changeover portion 4, flight chain 5, the first interlude 6 overhaul section 7,
Hex bolts 8, spring shim 9, plain washer 10, hex nut 11, graphite grazing pad 12, high-temperature seal adhesive 13, feed opening 14, the
Two interludes 15, tail portion 16, supporting leg 17, nitrogen interface 18, fire water interface 19, thermometer 20, pressure gauge 21, venting of dust explosion mouth 22,
23,24 nitrogen discharge mouth 24 of oxygen content testing instrument, on the spot electric cabinet 25, deflector chute 26, water leg 27, water inlet pipe 28, outlet pipe
29, material 30, roll wheel assembly 31, idler wheel 32, side plate 33, connecting plate 34, upper rail 35, lower guideway 36, maintenance door main body 37, inspection
Repair an abutted flange 38, access hole 39, seal groove 40, high-temperature plane gasket 41, baffle ring 42, U-shaped foaming sealing strip 43, cover board
44, wool felt 45, asbestos cord 46.
Specific embodiment
As shown in Figure 1, among a kind of dedicated embedded scraper transporter of graphite cathode raw material, including head 1, changeover portion 4, first
Section 6, maintenance section 7, the second interlude 15 and tail portion 16.Head 1, changeover portion 4, the first interlude 6, maintenance section 7, the second interlude
15 and the shell of tail portion 16 pass through welding manner and be made entirety, and head 1, changeover portion 4, the first interlude 6, maintenance section 7, the
Connecting portion between two interludes 15 and tail portion 16 uses spring shim 9, plain washer 10, graphite grazing pad 12, elevated-temperature seal
Glue 13 is padded, and multiple hex bolts 8, hex nut 11 is recycled to be locked, so that whole sealed connection is completed, from
It avoids revealing and keeping amount of oxygen exceeded on this body structure of equipment.
Here high-temperature seal adhesive 13 uses organic silicon material, 450 degree of anti-temperature centigrade, sets suitable for various electric heating electric heatings
It prepares and makes, high-temperature machinery, high temperature air filter, high temperature oven, the adhering and sealing of the industrial products such as industrial equipment pipeline.Have
The features such as high temperature resistant, oil resistant, waterproof.In addition several using graphite grazing pad sealing performance in extremely low temperature to 400 DEG C of high temperature ranges
It remains unchanged, there is brilliant chemical resistance to all liquid, installation tension will not have an impact Graphite pad.
And nitrogen interface 18, fire water interface 19, thermometer 20, pressure are successively also successively fixed with above the apparatus main body
Table 21, venting of dust explosion mouth 22, oxygen content testing instrument 23 and nitrogen discharge mouth 24, nitrogen interface 18, fire water interface 19, nitrogen discharge mouth
24 are equipped with solenoid valve, and the solenoid valve and thermometer 20 of each port, pressure gauge 21, oxygen content testing instrument 23 and driving are buried and scraped
The motor of plate conveyer operation is connect by circuit with DCS control system.Oxygen content, gas are detected by corresponding detection device
Pressure, temperature etc., and control corresponding solenoid valve using DCS control system and open or close, thus realize the oxygen content in equipment,
Air pressure, temperature fluctuate in specified interval range, so that intelligent and safe control is completed in the conveying of graphite cathode raw material.
As shown in Fig. 2, the changeover portion 4, the first interlude 6, maintenance section 7, the lower part of the housing of the second interlude 15 are to fall
Several fonts, conveying scraper plate are placed in a few font troughs, are equipped with deflector chute 26 above a few font troughs, deflector chute 26 is to carrier chain
Block simultaneously guide.By the way that a few font troughs are arranged, so that the scraper plate that buries of work is located in a few font troughs, and chain then position
It is not direct during transportation to be contacted with the graphite cathode raw material of high temperature on the guide rail of upper end.By the way that two-stage deflector chute is arranged,
Two-stage deflector chute upper surface relative tilt is downward, and blocks to the chain of two sides, can be by two-stage after material passes through feed opening
Material is directed into bottom plate trough (in zigzag shape) by deflector chute, then drives the operating of scrapper conveyor flight chain by driving device,
To which material is transported to head discharge mouth discharging, flight chain is not contacted with material during this, and only scraper plate is contacted with material,
Effective protection chain reduces abrasion and high temperature contact, improves the service life of chain.
As shown in Fig. 2, the housing bottom installation of the changeover portion 4, the first interlude 6, maintenance section 7, the second interlude 15
There is a water leg 27, water leg 27 and bottom of shell collectively form diversion cavity, and water inlet pipe 28, another is equipped on the downside of 27 one end of water leg
Outlet pipe 29 is equipped on the upside of one end.Since water leg 27 relies on bottom of shell to be formed, relative to traditional tubular water leg
Speech can reduce the material of one side, reduce enterprise procurement cost.By the way that water leg is arranged, the high-temperature material of conveying can be dropped
Temperature reduces influence of the heat aggregation to equipment.
As shown in Figure 3-4, the carrier chain in above-mentioned apparatus is connected using double strand chain, i.e. two groups of chains with scraper plate
It connects, which includes roll wheel assembly 31, and roll wheel assembly 31 includes pairs of idler wheel 32, and pairs of idler wheel 32 is mounted on side plate 33
On, it can be rolled with respect to side plate 33.And be then hingedly integrally formed with connecting plate 34 between adjacent side plate 33,32 lower edge of idler wheel is low
In 33 bottom end of side plate.
As shown in figure 5, the guide rail in above-mentioned apparatus includes upper rail 35 and lower guideway 36, upper rail 35 and lower guideway 36 can
Using existing common guide rail form.Upper rail 35 can also be arranged to the light rail of support type, lower guideway 36 is using wear-resisting
Square steel bar.Support light rail can cooperate with roller chain (non-roller chain), and the friction between idler wheel 32 and light rail is rolling friction,
When the power needed for calculating equipment, its frictional force be can be ignored.Therefore it not only can save energy 30%~40%, reduce noise, together
When can break through limitation of the embedded scraper transporter to speed, transfer efficiency under equal conditions is greatly improved.
In above equipment, due to housing bottom trough be fall zigzag shape, can make in this way material only with contacts baseplate, only
Bottom plate Stainless steel 316 L material, cover board and side plate only use stainless steel 304 material, reduce enterprise procurement cost.
It in above-mentioned apparatus, is provided in maintenance section and easily opens maintenance door, easily opening maintenance door includes maintenance door main body 37, maintenance door
Main body 37 includes maintenance door abutted flange 38, access hole 39 and the seal groove 40 of bottom.
The maintenance door abutted flange 38 is bolted with apparatus casing, and junction uses high-temperature plane gasket
41(high temperature resistant graphite grazing pad) it is sealed.The setting of access hole 39 is openning shape in 38 upper end of maintenance door abutted flange,
It is convenient to overhaul.And 39 outer edge of access hole is welded with seal groove 40, seal groove 40 is ring-type, sets that there are three baffle rings in seal groove 40
42。
Hanging upside down on outermost baffle ring 42 has U-shaped foaming sealing strip 43, the linear expansion coefficient of U-shaped foaming 43 material of sealing strip
It greater than maintenance door metal part, is compressed and is sealed by cover board 44, reach the requirement for completely cutting off inside and outside gas.Other two baffle ring 42 it
Between be equipped with wool felt 45, wool felt 45 density is high, and can high temperature resistant (500 degrees Celsius), due to being easy to produce during Bulk material
Fecula dirt, by the way that wool felt is arranged, isolation dust is overflowed to first of sealing, guarantees envelope gas effect.And in innermost baffle ring
It is provided with asbestos cord 46,46 heatproof of asbestos cord and flexible characteristic between 42 and 39 edge of access hole, surrounds maintenance door nozzle,
And compressed by cover board 44, influence of the high-temperature gas to preceding two seals in cavity can be prevented while sealing granulate material again.
Cover board 44 is provided with above maintenance door main body 37,44 one end of cover board and maintenance door main body 37 are hinged, and the other end passes through
High temperature resistance and high strength hasp 47 and maintenance 37 other end of door main body locking.Hasp 47 is flat mouth hasp, using 316L material.Using
High temperature resistance and high strength hasp is customized, locking securely, facilitates unlatching.The pretightning force to sealing element, pressure can be kept by cover board for a long time
Close envelope.
Installation process:
1), first by head 1, changeover portion 4, the first interlude 6, maintenance section 7, the second interlude 15, the hex bolts 8 of tail portion 16,
Spring shim 9, plain washer 10, hex nut 11, graphite grazing pad 12, high-temperature seal adhesive 13 connect, and are then fixed on again
On supporting leg 17.
2), then flight chain 5 is installed around head 1, tail portion 16, then head 1, driving device 3 are used transmission chain
Item 2 connects, and finally according to on-site actual situations, feed opening 14 is welded on interlude 15, this part is that dedicated bury is scraped
Plate conveyor body part.
3), then, nitrogen interface 18, fire water interface 19, thermometer 20, pressure gauge 21, venting of dust explosion mouth 22, oxygen content are examined
It surveys instrument 23, nitrogen discharge valve 24 etc. and is welded on main part corresponding position.
4) control cable, the power cable on all motor and detecting element finally, are accessed into electric cabinet 25 on the spot
Entire dedicated bury is controlled in (band DCS remote control interface), and on from central control room DCS lead to oxygen content testing instrument 23 to scrape
The operation of plate conveyer, this part are bulk material conveying equipment intelligence explosion protection system.
Working principle:
1) before, conveying graphite cathode raw material, the solenoid valve of nitrogen interface 18 is first controlled into dedicated embedded scraper transporter body
Nitrogen is poured, until oxygen content testing instrument 23 shows oxygen concentration≤100ppm, shows that pressure is 10- in body on pressure gauge 21
30Pa.Meanwhile by water inlet pipe 28 to being passed through cooling water in water leg 27.Then, the blanking of scrapper conveyor upstream equipment, material are controlled
After feed opening 14, material can be directed into bottom plate trough (in zigzag shape) by two-stage deflector chute 26, then be filled by driving
Set and flight chain 5 driven to operate, so that material is transported to head discharge mouth discharging, during this flight chain 5 not with material
Contact, only scraper plate is contacted with material.
2), in the process of running, bulk material conveying equipment intelligence explosion protection system is constantly in monitoring and analysis state to material,
If detecting that oxygen concentration > 100ppm, DCS control system can control to adjust the solenoid valve of nitrogen interface 18, to accelerate
To nitrogen is poured in vivo, until oxygen concentration is qualified.
3), when temperature or air pressure are more than level-one preset threshold, alarm signal is issued, while among DCS system control equipment
Accident nitrogen charging mouth be filled with a large amount of nitrogen into cavity and open the solenoid valve at top nitrogen discharge outlet 24, reach pressure release and resistance
Combustion prevents temperature from increasing.
If 4), the above processing is not up to expected effect, equipment downtime when temperature is more than second level preset threshold is beaten automatically
It is explosion-proof to open the implementation fire extinguishing of fire water interface 19, and stops the operation of whole system.
5), the use of venting of dust explosion mouth 22 is when reaching dangerous air pressure in equipment cavity, to crush the thin aluminum sheet on 22 top of venting of dust explosion mouth, make
The intracorporal air pressure of chamber obtains instantaneous relase, eliminates the danger of explosion.
Above-mentioned apparatus can integrate self seal and sealing transport is realized in nitrogen-sealed, by using made of heat-resisting material
Equipment and the reduction of equipment vulnerable part contact with high-temperature material and realize high temperature resistant resistance to compression, by the way that easy-opening access hole is arranged, are damaging
When can Quick overhaul, improve the practical performance of whole equipment.
Claims (10)
1. a kind of dedicated embedded scraper transporter of graphite cathode raw material, it is characterised in that: including head (1), changeover portion (4), first
Interlude (6) overhauls section (7), the second interlude (15) and tail portion (16), the head (1), changeover portion (4), the first interlude
(6), section (7) are overhauled, the second interlude (15) and tail portion (16) sealing are integral, are successively fixed with nitrogen above the overall structure
Gas interface (18), fire water interface (19), thermometer (20), pressure gauge (21), venting of dust explosion mouth (22), oxygen content testing instrument (23) and
Nitrogen discharge mouth (24), nitrogen interface (18), fire water interface (19), nitrogen discharge mouth (24) are equipped with solenoid valve, solenoid valve,
Thermometer (20), pressure gauge (21), oxygen content testing instrument (23) and the motor of driving equipment operation are controlled by circuit and DCS
System connection.
2. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the head
(1), changeover portion (4), the first interlude (6), maintenance section (7), the shell of the second interlude (15) and tail portion (16) pass through weldering
The mode of connecing is made;The head (1), changeover portion (4), the first interlude (6), maintenance section (7), the second interlude (15) and tail portion
(16) between by hex bolts (8), spring shim (9), plain washer (10), hex nut (11) and graphite grazing pad (12),
The connection of high-temperature seal adhesive (13) removable seal.
3. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the transition
Section (4), the first interlude (6), maintenance section (7), the lower part of the housing of the second interlude (15) are several fonts, and conveying scraper plate is placed in
It in a few font troughs, is equipped with deflector chute (26) above a few font troughs, deflector chute (26) block to carrier chain and guide.
4. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the transition
Section (4), the first interlude (6), maintenance section (7), the second interlude (15) housing bottom water leg (27), water leg are installed
(27) water inlet pipe (28) are equipped on the downside of one end, other end upside is equipped with outlet pipe (29).
5. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the transition
The housing parts that section (4), the first interlude (6), maintenance section (7), the second interlude (15) are contacted with material are Stainless steel 316 L
Steel plate, the housing parts that changeover portion (4), the first interlude (6), maintenance section (7), the second interlude (15) are not contacted with material are
Stainless steel 304 steel plate.
6. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the transition
Section (4), overhauls section (7) at the first interlude (6), is provided with upper rail (35), lower guideway in the shell of the second interlude (15)
(36), wherein upper rail (35) is light rail, and lower guideway (36) is wear-resisting square steel bar.
7. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 6, it is characterised in that: this buries scraper plate
The chain of conveyer uses double strand chain, and every chain is made of multiple roll wheel assemblies (31), and roll wheel assembly (31) includes pairs of
Idler wheel (32), pairs of idler wheel (32) are mounted on side plate (33), can be rolled with respect to side plate (33);And adjacent side plate (33) it
Between be then hingedly integrally formed with connecting plate (34), idler wheel (32) lower edge be lower than side plate (33) bottom end.
8. a kind of dedicated embedded scraper transporter of graphite cathode raw material according to claim 1, it is characterised in that: the maintenance
It is provided in section (7) and easily opens maintenance door, including maintenance door main body (37), maintenance door main body (37) lower end and apparatus casing seal spiral shell
It tethers and connects, overhaul door main body (37) upper end opening and be hinged with cover board (44), set between cover board (44) and maintenance door main body (37)
There is three-layer sealed structure and is locked by the high temperature resistance and high strength hasp (47) of the other end;The U-shaped foaming of three-layer sealed structure
Sealing strip (43), high temperature resistant wool felt (45) and asbestos cord (46), U-shaped foaming sealing strip (43) hang upside down the baffle ring in outmost turns
(42) on, high temperature resistant wool felt (45) and asbestos cord (46) are successively set on access hole edge and another two baffle ring (42) shape respectively
At accommodate in slot.
9. a kind of graphite cathode feedstock transportation method, it is characterised in that: including the following steps:
Step 1: head (1), changeover portion (4), the first interlude (6), maintenance section (7), the second interlude (15) and tail portion (16)
Each section shell itself welding is integral, head (1), changeover portion (4), the first interlude (6), maintenance section (7), the second interlude
(15) and between tail portion (16) using spring shim (9), plain washer (10), graphite grazing pad (12), high-temperature seal adhesive (13) into
Row liner, recycles multiple hex bolts (8), hex nut (11) to be locked, to complete whole sealed connection, from setting
It avoids revealing and keeping amount of oxygen exceeded on this standby body structure;
Step 2: the lower part of the housing of the second interlude (15) is set as by changeover portion (4), the first interlude (6), maintenance section (7)
Several fonts successively install lower guideway (36), upper rail (35) above a few font shells, and lower guideway (36) is using wear-resisting
Square steel bar, upper rail (35) use light rail, and flight chain (5) is arranged on lower guideway (36), upper rail (35), and makes
The scraper plate for obtaining flight chain (5) is located in a few font troughs, and chain is then located at the upper rail (35) of upper end, lower guideway (36)
On, so that raw material be avoided to contact with enclosure interior drive member, guarantee the heat-resisting quantity of equipment itself;
Step 3: water is arranged in the housing bottom of the second interlude (15) in changeover portion (4), the first interlude (6), maintenance section (7)
Collet (27), when high temperature feedstock by when carry out water cool;
Step 4: carrying out oxygen concentration control by input nitrogen.
10. a kind of graphite cathode feedstock transportation method according to claim 9, it is characterised in that: step 4 include again with
Lower step:
1) before, conveying graphite cathode raw material, the solenoid valve of nitrogen interface (18) is first controlled to dedicated embedded scraper transporter body
Nitrogen is inside poured, until oxygen content testing instrument (23) show that oxygen concentration≤100ppm, pressure gauge show body internal pressure on (21)
Power is 10-30Pa;
Meanwhile cooling water is passed through to water leg (27) is inner by water inlet pipe (28);
Then, the blanking of scrapper conveyor upstream equipment is controlled, it, can be by two-stage deflector chute (26) by material after material passes through feed opening (14)
It is directed into bottom plate trough (in zigzag shape), flight chain (5) operating is then driven by driving device, so that material is transported to
Head discharge mouth discharging, flight chain (5) is not contacted with material during this, and only scraper plate is contacted with material;
2), in the process of running, bulk material conveying equipment intelligence explosion protection system is constantly in monitoring and analysis state to material,
If detecting that oxygen concentration > 100ppm, DCS control system can control to adjust the solenoid valve of nitrogen interface (18), thus plus
Fastly to nitrogen is poured in vivo, until oxygen concentration is qualified;
3), when temperature or air pressure are more than level-one preset threshold, sending alarm signal, while the thing among DCS system control equipment
Gu Chongdankou is filled with a large amount of nitrogen into cavity and opens the solenoid valve at top nitrogen discharge outlet (24), reaches pressure release and fire-retardant
Prevent temperature from increasing;
If 4), the above processing is not up to expected effect, equipment downtime when temperature is more than second level preset threshold automatically opens and disappears
It is explosion-proof that waterproof port (19) implements fire extinguishing, and stops the operation of whole system;
5), the use of venting of dust explosion mouth (22) is to crush the thin aluminum sheet on venting of dust explosion mouth (22) top when reaching dangerous air pressure in equipment cavity, make
The intracorporal air pressure of chamber obtains instantaneous relase, eliminates the danger of explosion.
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CN202880317U (en) * | 2012-05-24 | 2013-04-17 | 诸暨链条总厂 | Upper-running lower-discharged buried scraper conveyer |
CN206537835U (en) * | 2017-01-25 | 2017-10-03 | 黑龙江昱泰重型机器制造有限公司 | A kind of embedded scraper transporter |
CN208716122U (en) * | 2018-08-31 | 2019-04-09 | 湖北天宜机械股份有限公司 | A kind of dedicated embedded scraper transporter of graphite cathode raw material |
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US20120132638A1 (en) * | 2010-11-30 | 2012-05-31 | Tp Solar, Inc. | Finger Drives for IR Wafer Processing Equipment Conveyors and Lateral Differential Temperature Profile Methods |
CN202880317U (en) * | 2012-05-24 | 2013-04-17 | 诸暨链条总厂 | Upper-running lower-discharged buried scraper conveyer |
CN206537835U (en) * | 2017-01-25 | 2017-10-03 | 黑龙江昱泰重型机器制造有限公司 | A kind of embedded scraper transporter |
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