CN108977721A - A kind of anti-clogging compartment grate plate and its manufacturing method - Google Patents
A kind of anti-clogging compartment grate plate and its manufacturing method Download PDFInfo
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- CN108977721A CN108977721A CN201810842090.7A CN201810842090A CN108977721A CN 108977721 A CN108977721 A CN 108977721A CN 201810842090 A CN201810842090 A CN 201810842090A CN 108977721 A CN108977721 A CN 108977721A
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- grate plate
- clogging
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
Abstract
The invention discloses a kind of anti-clogging compartment grate plate and its manufacturing methods, including ingredient, Mold Making, melting, molding, of the invention a kind of anti-clogging compartment grate plate and its manufacturing method, with good toughness, larger abrasion will not be caused to internal screen, greatly reduce sieving rate, improve anti-clogging performance, the coated aluminum oxide that the present invention is added can improve the stability between medium, improve heat resistance, casting is effectively prevented to be easy to become fragile and phenomena such as fracture occur, compartment grate plate surface hardness of the invention is high, impact strength is good, comprehensive performance is superior, device structure design is reasonable, it is easy for installation, integral strength is high；The design for taking through-hole significantly reduces the generation of stopping state；The later maintenance cost of equipment is low, long service life.
Description
Technical field
The present invention relates to the field of material processing, especially a kind of anti-clogging compartment grate plate and its manufacturing method.
Background technique
Ball mill is the key equipment that material is broken and then is crushed.This seed type ore mill is in its cylinder
It is interior to be packed into a certain number of steel balls as abrasive media.
Compartment grate plate is wear parts important in ball mill, and it is good not require nothing more than wearability in work, is born again certain
Impact force also to have preferable toughness so not only needing very high hardness, meanwhile, compartment grate plate directly affects ball milling
The grinding effect of machine, but often there is serious clogging in existing compartment grate plate, thus brings the ventilating surface of ball mill
The problems such as product becomes smaller, and divulges information unsmooth, crosses grinding phenomenon, influences the normal operation of ball mill.
It is widely used in cement, silicate product, and New Building Materials, refractory material, chemical fertilizer, black and non-ferrous metal select
The production industries such as mine and glass ceramics carry out dry type or wet type grinding to various ores and other grindability materials.Ball mill
Suitable for the various ores of grinding and other materials, it is widely used in ore dressing, the industries such as building materials and chemical industry can be divided into dry type and wet type
Two kinds of grinding modes.It is different according to ore discharge mode, it can lattice subtype and two kinds of overflow type.Wherein compartment grate plate is as important sieve
Expect device, self-evident for the importance of whole ball mill, different grate plate functions and effect are also obstructed.
The Chinese patent of Publication No. CN205032235U discloses a kind of ball mill anti-clogging grate plate, is used for ball mill
Middle part compartment grate plate or tail portion discharge grid plate, it includes grid plate frame, gusset and sieve, and gusset and sieve welding or bolt are fixed
In grid plate frame.
There are installation difficulty height during actual use for above-mentioned patent, and whole performance of being sieved is insufficient, anti-blocking degree control
The problems such as system is inadequate, later period higher operating costs, therefore we need to be further improved on the basis of existing.
Summary of the invention
The technical problem to be solved by the present invention is it is above-mentioned in order to solve the problems, such as, a kind of anti-clogging compartment is provided
Grate plate and its manufacturing method, surface hardness is high and impact strength is good.
The technical solution adopted by the present invention to solve the technical problems is: a kind of manufacturing method of anti-clogging compartment grate plate,
The following steps are included:
(1) ingredient: each raw material including following weight percentage:
C 0.5-0.7%, Si 0.2-0.4%, Mn 0.1-0.3%, P 0.03-0.04%, Zn 0.05-0.1%, Cr
10-11%, coated aluminum oxide 2-4%, it is remaining be iron；
(2) Mold Making: taking punching block, and heat type resin sand is added and makes comb slab core, makes external mold using cold mould resin sand,
Rare-earth ceramic coating is coated in model surface, then passes through mould assembling, fixation, waits to be cast；
(3) melt: by above-mentioned C, Si, Mn, P, Zn, Cr, coated aluminum oxide, it is remaining for iron be blended, be sent to heating furnace
It is interior, temperature is increased with the speed of 10-15 DEG C/min, when temperature is increased to 1600-1800 DEG C, heat preservation 1-2 hours, heating is melted；
(4) form: moulding by casting demoulds after cooling, wind quenching 2-4 hours at 1000-1100 DEG C, later in 400-450
It is tempered 5-7 hours at DEG C, using polishing, bead to get the anti-clogging compartment grate plate.
The coated aluminum oxide is made of the raw material of following weight parts:
Aluminium oxide 20-30, ethyl orthosilicate 70-80, calcium stearate 1-2, ammonium hydroxide 10-13；
The concentration of the ammonium hydroxide is 10-16%.
The preparation method of the coated aluminum oxide, comprising the following steps:
(1) calcium stearate is taken, is added in the dehydrated alcohol of 20-27 times of its weight, stirs evenly, aluminium oxide, magnetic is added
Power stirs 10-20 minutes, obtains alumina fluid dispersion；
(2) ethyl orthosilicate is taken, is added in the deionized water of 3-5 times of its weight, stirs evenly, with above-mentioned aluminium oxide point
Dispersion liquid mixing, is added dropwise ammonium hydroxide, stirs 3-5 hours after being added dropwise, and filters, filter cake is washed, air drying is to get the cladding
Aluminium oxide.
The preparation method of the rare-earth ceramic coating, comprising the following steps:
(1) aluminium dihydrogen phosphate for taking 5-7 parts by weight is added in the deionized water of 20-30 times of its weight, is increased temperature and is
80-95 DEG C, insulated and stirred 10-15 minutes, the lanthanum nitrate of 0.1-0.2 parts by weight, the cerous nitrate of 0.1-0.2 parts by weight is added, stirs
It mixes to room temperature, obtains rare earth dispersion liquid；
(2) take the silane coupling agent of the aluminium oxide of 10-15 parts by weight, the boron nitride of 35-40 parts by weight, 1-2 parts by weight mixed
It closes, is added in the dehydrated alcohol of 4-7 times of mixture weight, it is 10-20 minutes ultrasonic, obtain silane dispersion fluid；
(3) above-mentioned rare earth dispersion liquid, silane dispersion fluid mixing are taken, the sodium carbonate of 2-3 parts by weight is added, at 60-80 DEG C
It insulated and stirred 1-2 hours, filters, fine powder is worn into after filter cake is sintered and cooled at 800-900 DEG C to get the rare-earth ceramic
Coating.
Anti-clogging compartment grate plate, it is solid comprising grate plate ontology, guide pad, longitudinally fixed hole, mounting blocks, reinforcing rib, transverse direction
Determine hole, ventilation hole, sieve pore, wide mouth part, guiding side wall, thin mouth end, be screwed slot, grate plate outer body is provided with guide pad,
It is provided with longitudinally fixed hole on guide pad, mounting blocks are provided on this body sidewall of grate plate, mounting blocks, which are internally provided with, to be screwed
Slot, grate plate body interior are provided with sieve pore, and sieve pore side is provided with ventilation hole, and grate plate bodies top is provided with lateral fixation hole,
It is provided with reinforcing rib between mounting blocks, guiding side wall is provided on sieve pore, sieve pore side is provided with wide mouth part, and the sieve pore other side is set
It is equipped with thin mouth end.
Preferably, the quantity of the sieve pore there are 5, it is spaced substantially equidistant and is combing according to the inclination angle of grate plate ontology two sidewalls
Plate body interior, sieve pore gradually extend from close to lateral fixation hole one end to guiding Block direction, and setting in this way is accurate convenient for sieve pore
Filter more materials.
Preferably, the quantity of the ventilation hole there are 2, equidistantly it is arranged between sieve pore, setting in this way is convenient for setting
Standby internal circulating ventilation, is convenient for equipment cooling, extends the service life of grate plate ontology.
Preferably, the diameter of the reinforcing rib is not less than 3cm, setting in this way can promote the antidetonation effect of grate plate ontology
Fruit, lifting means integral strength.
Preferably, the range of tilt angles of the guiding side wall is 17-35 °, setting can be in order to material in this way
Pass through, significantly reduces the generation of stopping state.
Preferably, the quantity of the lateral fixation hole is 6, it is symmetricly set on grate plate bodies top, is arranged in this way
The consistent level of equipment operation can be enhanced with the installation effectiveness of lifting means.
Preferably, the guide pad is welded on grate plate ontology, longitudinally fixed hole forming in guide pad, sieve pore at
In on grate plate ontology, mounting blocks weld together type with grate plate ontology, and setting in this way can be ensure that and be added with the rigidity of lifting means
Working medium amount.
The invention has the advantages that a kind of anti-clogging compartment grate plate of the invention and its manufacturing method, have good
Toughness will not cause larger abrasion to internal screen, greatly reduce sieving rate, improve anti-clogging performance, and the present invention adds
The coated aluminum oxide entered can improve the stability between medium, improve heat resistance, effectively prevent casting be easy to become fragile and
Phenomena such as being broken, compartment grate plate surface hardness of the invention is high, and impact strength is good, and comprehensive performance is superior, device structure
Design is rationally, easy for installation, and integral strength is high；The design for taking through-hole significantly reduces the generation of stopping state；After equipment
Phase maintenance cost is low, long service life.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is front view structure schematic diagram of the invention；
Fig. 2 is left view structure diagram of the invention；
Fig. 3 is installation site topology view of the invention；
Fig. 4 is sieve pore internal structure view of the invention；
Fig. 5 is mounting blocks main structure view of the invention；
Fig. 6 is mounting blocks side structure view of the invention.
1- grate plate ontology；2- guide pad；The longitudinally fixed hole 3-；4- mounting blocks；5- reinforcing rib；6- transverse direction fixation hole；7- is logical
Air holes；8- sieve pore；9- wide mouth part；10- is oriented to side wall；The thin mouth end 11-；12- is screwed slot.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 and a kind of anti-clogging compartment grate plate shown in fig. 6, present embodiment use
Following technical scheme: it include grate plate ontology 1, guide pad 2, longitudinally fixed hole 3, mounting blocks 4, reinforcing rib 5, lateral fixation hole 6,
Ventilation hole 7, sieve pore 8, wide mouth part 9, guiding side wall 10, thin mouth end 11, be screwed slot 12, is provided with and leads on the outside of grate plate ontology 1
To block 2, installation of the guide pad 2 for equipment is oriented to, and longitudinally fixed hole 3 is provided on guide pad 2, longitudinally fixed hole 3 is for setting
Standby is longitudinally fixed, and mounting blocks 4 are provided on 1 side wall of grate plate ontology, and mounting blocks 4 are internally provided with the slot 12 that is screwed, grate plate
Ontology 1 is internally provided with sieve pore 8, and for sieve pore 8 for filtering the material being crushed, 8 side of sieve pore is provided with ventilation hole 7, ventilation hole 7
For divulging information, lateral fixation hole 6 is provided at the top of grate plate ontology 1, transverse direction of the lateral fixation hole 6 for equipment is fixed, mounting blocks 4
Between be provided with reinforcing rib 5, reinforcing rib 5 is used for the overall stiffness of lifting means, and guiding side wall 10, sieve pore 8 are provided on sieve pore 8
Side is provided with wide mouth part 9, and wide mouth part 9 enters for equipment, and 8 other side of sieve pore is provided with thin mouth end 11.
Wherein, the quantity of the sieve pore 8 has 5, is spaced substantially equidistant according to the inclination angle of 1 two sidewalls of grate plate ontology in grate plate
Inside ontology 1, sieve pore 8 gradually extends from close to lateral 6 one end of fixation hole to 2 direction of guide pad, and setting in this way is quasi- convenient for sieve pore 8
Really filter more materials；The quantity of the ventilation hole 7 has 2, is equidistantly arranged between sieve pore 8, and setting in this way is convenient for setting
Standby internal circulating ventilation, is convenient for equipment cooling, extends the service life of grate plate ontology 1；The diameter of the reinforcing rib 5 is not less than
3cm, in this way setting can promote the anti seismic efficiency of grate plate ontology 1, lifting means integral strength；The guiding side wall 10 inclines
Rake angle range be 17-35 °, in this way be arranged can passing through in order to material, significantly reduce the generation of stopping state；The cross
Be 6 to the quantity of fixation hole 6, be symmetricly set on the top of grate plate ontology 1, be arranged in this way can with the installation effectiveness of lifting means,
Enhance the consistent level of equipment operation；The guide pad 2 is welded on grate plate ontology 1, and longitudinally fixed hole 3 takes shape in guide pad
In 2, sieve pore 8 is taken shape on grate plate ontology 1, and mounting blocks 4 weld together with grate plate ontology 1, and setting can be with lifting means in this way
Rigidity, ensure that processing quality.
The working principle of this specific embodiment:: it, can be by 4 amount of progress grate plate sheet of mounting blocks when carrying out equipment installation operation
Installation positioning between body 1, two-way bolt is separately fixed inside the slot 12 that is screwed in grate plate ontology 1, connection finishes
Integral device is installed to ball mill by the longitudinally fixed hole 3 on guide pad 2 afterwards, and by the lateral progress of fixation hole 6
The heart is fixed, and material can be screened out after broken by sieve pore 8, and certain angle can be presented in the guiding side wall 10 on sieve pore 8
Degree, the setting of wide mouth part 9 is in ball grinder interior, after the wide mouth part 9 that material leads on sieve pore 8 sifts out, since the diameter at thin mouth end 11 contracts
It is small, the probability that material is again introduced into ball mill is significantly reduced, simultaneously because taking inclination angle to design, so that feed blocking probability drops
It is low, improve the using effect of equipment.
A kind of manufacturing method of anti-clogging compartment grate plate of the invention, specific embodiment are as follows:
Embodiment 1
A kind of manufacturing method of anti-clogging compartment grate plate, which comprises the following steps:
(1) ingredient: each raw material including following weight percentage:
C 0.7%, Si 0.4%, Mn 0.3%, P 0.04%, Zn 0.1%, Cr 11%, coated aluminum oxide 2-4%,
Remaining is iron；
(2) Mold Making: taking punching block, and heat type resin sand is added and makes comb slab core, makes external mold using cold mould resin sand,
Rare-earth ceramic coating is coated in model surface, then passes through mould assembling, fixation, waits to be cast；
(3) melt: by above-mentioned C, Si, Mn, P, Zn, Cr, coated aluminum oxide, it is remaining for iron be blended, be sent to heating furnace
It is interior, temperature is increased with the speed of 15 DEG C/min, when temperature is increased to 1800 DEG C, heat preservation 2 hours, heating is melted；
(4) form: moulding by casting demoulds, wind quenching 4 hours at 1100 DEG C after cooling, and tempering 7 is small at 450 DEG C later
When, using polishing, bead to get the anti-clogging compartment grate plate.
The coated aluminum oxide is made of the raw material of following weight parts:
Aluminium oxide 30, ethyl orthosilicate 80, calcium stearate 2, ammonium hydroxide 13.
The concentration of the ammonium hydroxide is 16%.
The preparation method of the coated aluminum oxide, comprising the following steps:
(1) calcium stearate is taken, is added in the dehydrated alcohol of 27 times of its weight, stirs evenly, aluminium oxide is added, magnetic force stirs
It mixes 20 minutes, obtains alumina fluid dispersion；
(2) ethyl orthosilicate is taken, is added in the deionized water of 5 times of its weight, stirs evenly, with above-mentioned alumina dispersion
Liquid mixing, is added dropwise ammonium hydroxide, stirs 5 hours after being added dropwise, and filters, filter cake is washed, air drying aoxidizes to get the cladding
Aluminium.
The preparation method for the rare-earth ceramic coating stated, comprising the following steps:
(1) aluminium dihydrogen phosphate for taking 7 parts by weight is added in the deionized water of 30 times of its weight, and increasing temperature is 95 DEG C,
Insulated and stirred 15 minutes, the lanthanum nitrate of 0.2 parts by weight, the cerous nitrate of 0.2 parts by weight is added, stirring to room temperature obtains rare earth dispersion
Liquid；
(2) the silane coupling agent mixing for taking the aluminium oxide of 15 parts by weight, the boron nitride of 40 parts by weight, 2 parts by weight, is added to
It is 10-20 minutes ultrasonic in the dehydrated alcohol that 7 times of mixture weight, obtain silane dispersion fluid；
(3) above-mentioned rare earth dispersion liquid, silane dispersion fluid mixing are taken, the sodium carbonate of 3 parts by weight, insulated and stirred at 80 DEG C is added
It 2 hours, filters, fine powder is worn into after filter cake is sintered and cooled at 900 DEG C to get the rare-earth ceramic coating.
Embodiment 2:
A kind of manufacturing method of anti-clogging compartment grate plate, which comprises the following steps:
(1) ingredient: each raw material including following weight percentage:
C 0.5%, Si 0.2%, Mn 0.1-0.3%, P 0.03%, Zn 0.05-%, Cr 10%, coated aluminum oxide
2-4%, it is remaining be iron；
(2) Mold Making: taking punching block, and heat type resin sand is added and makes comb slab core, makes external mold using cold mould resin sand,
Rare-earth ceramic coating is coated in model surface, then passes through mould assembling, fixation, waits to be cast；
(3) melt: by above-mentioned C, Si, Mn, P, Zn, Cr, coated aluminum oxide, it is remaining for iron be blended, be sent to heating furnace
It is interior, temperature is increased with the speed of 10 DEG C/min, when temperature is increased to 1600 DEG C, heat preservation 1 hour, heating is melted；
(4) form: moulding by casting demoulds, wind quenching 2 hours at 1000 DEG C after cooling, and tempering 5 is small at 400- DEG C later
When, using polishing, bead to get the anti-clogging compartment grate plate.
The coated aluminum oxide is made of the raw material of following weight parts:
Aluminium oxide 20, ethyl orthosilicate 70, calcium stearate 1, ammonium hydroxide 10；
The concentration of the ammonium hydroxide is 10%.
The preparation method of the coated aluminum oxide, comprising the following steps:
(1) calcium stearate is taken, is added in the dehydrated alcohol of 20 times of its weight, stirs evenly, aluminium oxide is added, magnetic force stirs
It mixes 10 minutes, obtains alumina fluid dispersion；
(2) ethyl orthosilicate is taken, is added in the deionized water of 3 times of its weight, stirs evenly, with above-mentioned alumina dispersion
Liquid mixing, is added dropwise ammonium hydroxide, stirs 3 hours after being added dropwise, and filters, filter cake is washed, air drying aoxidizes to get the cladding
Aluminium.
The preparation method of the rare-earth ceramic coating, comprising the following steps:
(1) aluminium dihydrogen phosphate for taking 5 parts by weight is added in the deionized water of 20 times of its weight, and increasing temperature is 80 DEG C,
Insulated and stirred 10 minutes, the lanthanum nitrate of 0.1 parts by weight, the cerous nitrate of 0.1 parts by weight is added, stirring to room temperature obtains rare earth dispersion
Liquid；
(2) the silane coupling agent mixing for taking the aluminium oxide of 10 parts by weight, the boron nitride of 35 parts by weight, 1 parts by weight, is added to
In the dehydrated alcohol that 4 times of mixture weight, ultrasound 10 minutes obtains silane dispersion fluid；
(3) above-mentioned rare earth dispersion liquid, silane dispersion fluid mixing are taken, the sodium carbonate of 2 parts by weight is added, keeps the temperature and stirs at 60 DEG C
It mixes 1 hour, filters, fine powder is worn into after filter cake is sintered and cooled at 800 DEG C to get the rare-earth ceramic coating.
Performance test:
Hardness: > HRC45；
Aku > 50J (non-notch).
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of manufacturing method of anti-clogging compartment grate plate, characterized in that the following steps are included: (1) ingredient: including following weight
Each raw material of percentage:
C 0.5-0.7%, Si 0.2-0.4%, Mn 0.1-0.3%, P 0.03-0.04%, Zn 0.05-0.1%, Cr 10-
11%, coated aluminum oxide 2-4%, it is remaining be iron；
(2) Mold Making: taking punching block, and heat type resin sand is added and makes comb slab core, external mold is made using cold mould resin sand, in mould
Type surface coats rare-earth ceramic coating, then passes through mould assembling, fixation, waits to be cast；
(3) melt: by above-mentioned C, Si, Mn, P, Zn, Cr, coated aluminum oxide, it is remaining for iron be blended, be sent in heating furnace, with
The speed of 10-15 DEG C/min increases temperature, and when temperature is increased to 1600-1800 DEG C, heat preservation 1-2 hours, heating is melted；
(4) form: moulding by casting demoulds after cooling, wind quenching 2-4 hours at 1000-1100 DEG C, later at 400-450 DEG C
Tempering 5-7 hours, using polishing, bead to get the anti-clogging compartment grate plate.
2. the manufacturing method of a kind of anti-clogging compartment grate plate according to claim 1, it is characterized in that: the cladding aoxidizes
Aluminium is made of the raw material of following weight parts:
Aluminium oxide 20-30, ethyl orthosilicate 70-80, calcium stearate 1-2, ammonium hydroxide 10-13.
3. the manufacturing method of a kind of anti-clogging compartment grate plate according to claim 2, it is characterized in that: the concentration of the ammonium hydroxide
For 10-16%.
4. the manufacturing method of a kind of anti-clogging compartment grate plate according to claim 2, it is characterized in that: the cladding aoxidizes
The preparation method of aluminium, comprising the following steps:
(1) calcium stearate is taken, is added in the dehydrated alcohol of 20-27 times of its weight, stirs evenly, aluminium oxide is added, magnetic force stirs
It mixes 10-20 minutes, obtains alumina fluid dispersion；
(2) ethyl orthosilicate is taken, is added in the deionized water of 3-5 times of its weight, stirs evenly, with above-mentioned alumina fluid dispersion
Mixing is added dropwise ammonium hydroxide, stirs 3-5 hours after being added dropwise, and filters, filter cake is washed, air drying aoxidizes to get the cladding
Aluminium.
5. the manufacturing method of a kind of anti-clogging compartment grate plate according to claim 1, it is characterized in that: the rare-earth ceramic
The preparation method of coating, comprising the following steps:
(1) aluminium dihydrogen phosphate for taking 5-7 parts by weight is added in the deionized water of 20-30 times of its weight, and raising temperature is 80-
95 DEG C, insulated and stirred 10-15 minutes, the lanthanum nitrate of 0.1-0.2 parts by weight, the cerous nitrate of 0.1-0.2 parts by weight is added, stirring is extremely
Room temperature obtains rare earth dispersion liquid；
(2) the silane coupling agent mixing for taking the aluminium oxide of 10-15 parts by weight, the boron nitride of 35-40 parts by weight, 1-2 parts by weight, adds
Enter into 4-7 times of mixture weight of dehydrated alcohol, it is 10-20 minutes ultrasonic, obtain silane dispersion fluid；
(3) above-mentioned rare earth dispersion liquid, silane dispersion fluid mixing are taken, the sodium carbonate of 2-3 parts by weight is added, is kept the temperature at 60-80 DEG C
Stirring 1-2 hours filters, fine powder is worn into after filter cake is sintered and cooled at 800-900 DEG C to get the rare-earth ceramic coating.
6. a kind of anti-clogging compartment grate plate according to claim 1, it is characterized in that: it includes grate plate ontology (1), guide pad
(2), longitudinally fixed hole (3), mounting blocks (4), reinforcing rib (5), lateral fixation hole (6), ventilation hole (7), sieve pore (8), wide mouth part
(9), side wall (10), thin mouth end (11), the slot that is screwed (12) are oriented to, guide pad (2) is provided on the outside of grate plate ontology (1), leads
It is provided on block (2) longitudinally fixed hole (3), is provided with mounting blocks (4) on grate plate ontology (1) side wall, set inside mounting blocks (4)
It is equipped with the slot that is screwed (12), grate plate ontology (1) is internally provided with sieve pore (8), and sieve pore (8) side is provided with ventilation hole (7), is combed
It is provided with lateral fixation hole (6), is provided between mounting blocks (4) reinforcing rib (5), sieve pore is provided on (8) at the top of plate ontology (1)
It is oriented to side wall (10), sieve pore (8) side is provided with wide mouth part (9), and sieve pore (8) other side is provided with thin mouth end (11).
7. anti-clogging compartment grate plate according to claim 6 is pressed it is characterized in that: the quantity of the sieve pore (8) has 5
It is spaced substantially equidistant according to the inclination angle of grate plate ontology (1) two sidewalls in grate plate ontology (1) inside, sieve pore (8) is from close to lateral fixation hole
(6) one end gradually extends to guide pad (2) direction.
8. anti-clogging compartment grate plate according to claim 6, it is characterized in that: the quantity of the ventilation hole (7) has 2,
It is equidistantly arranged between sieve pore (8), the quantity of the lateral fixation hole (6) is 6, is symmetricly set on grate plate ontology (1)
Top.
9. anti-clogging compartment grate plate according to claim 6, it is characterized in that: the diameter of the reinforcing rib (5) is not less than
The range of tilt angles of guiding side wall (10) described in 3cm. is 17-35 °.
10. anti-clogging compartment grate plate according to claim 6, it is characterized in that: the guide pad (2) is welded on grate plate sheet
On body (1), longitudinally fixed hole (3) is taken shape in guide pad (2), and sieve pore (8) takes shape on grate plate ontology (1), mounting blocks (4) with
Grate plate ontology (1) welds together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Application publication date: 20181211 |