CN110215991A - Ceramic wet powder-making technique and its production line - Google Patents

Abstract

The present invention relates to ceramic system powder technical field, especially a kind of ceramic wet powder-making technique；S1, independent ball milling obtain various small slurries；S2, it holds in transfer stock tank；S3, mix are then fed into homogenizing stock tank and are homogenized, obtain mud according to proportion feeding from each individual transfer stock tank is required；S4, slurry dewatering is handled, obtains cake mass；S5, the small clod for cake mass being divided into partial size be less than 3cm；S6, the small clod is dried under low-temperature condition, reaches the drying clod of predetermined moisture content；S7, by dry clod, broken, granulation obtains the satisfactory powder particles of partial size；Solve the problems, such as that Ball-milling Time caused by existing mixing and ball milling is long, at high cost using pure individually ball milling；Combined using various equipment and ceramic mud is dehydrated, low temperature drying, is crushed, is granulated, solves the problems, such as existing spray drying tower high energy consumption, high pollution.

Description

Ceramic wet powder-making technique and its production line

Technical field

The present invention relates to ceramic system powder technical field, especially a kind of ceramic wet powder-making technique and its production line.

Background technique

At present in the production of ceramic raw material, mainly by two methods of wet powder-making and dry method powder, wherein dry method Powder processed energy-saving square face have very big advantage, but dry method powder-making technique at present it is still immature, for raw material have it is higher Requirement, increase the production cost of enterprise.Therefore, current most Ceramics Enterprises are using traditional wet type powder side Method.

Ceramic raw material is added a certain amount of water using ball mill and is ground into moisture content 32% by traditional wet type milling method ~38% mud slurry, is then dried to slurry drying-granulating slurry 7% or so moisture, is made by spray drying tower It is suitble to the powder of automatic brick machine molding.

Above-mentioned traditional wet type milling method Ball-milling Time is long, and grinding efficiency is low, and power consumption is big.Therefore subsequent to have many enterprises Industry and individual improve the production line or processing method of traditional wet type milling method.Such as:

Chinese patent CN2013106439179 discloses a kind of ceramic raw material standardization continuous treatment process and its production Line carries out classifying type to raw material and utilizes sandstone feeding unit and raw ore mud feeding unit, and realization standardizes continuous processing stage by stage Technique, grinding efficiency is high, and low energy consumption.

Chinese patent application CN2016112181651 disclose it is a kind of can line feeding ceramic wet powder-making production line and its Working method, by the closed-loop control between droplet measurement mechanism and water content detection mechanism respectively of multistage ball mill group, so that Production line the partial size of the slurry for multistage ball mill group and water content can carry out control adjusting in real time, to guarantee that powder produces The stability of partial size and water content in the process, secondly, on the basis of guaranteeing that slurry fineness meets production requirement, by reducing ball The quantity of grinding machine structure, to realize energy-saving effect.

Although above-mentioned improvement is divided to two feeder groups to carry out feeding respectively sandstone and sludge, final or the two After mixing, ball milling is carried out.Its essence is not reduced water content when time and the ball milling of ball milling.

In general, there is following two in present wet powder-making production technology and production line:

1, when ball milling, sandstone and raw ore mud mix carry out ball milling, and Ball-milling Time is long, and energy consumption is high, and (its energy consumption accounts for pottery 20% or more of porcelain total production cost), when ball milling, need to add and subtract aqua and increase ball milling cost, and part material can occur it is overground existing As；

2, when dry, spray drying tower energy consumption high (its energy consumption account for Production of Ceramics totle drilling cost 35% or more), pollution are tight Weight.

It is mentioned therefore, it is necessary to research and develop new production line and production technology with further decreasing the production cost of ceramic raw material High efficiency reduces energy consumption, reduces the pollution to environment.

Summary of the invention

The present invention to solve the above-mentioned problems, and provide a kind of ceramic wet powder-making production line.

In order to achieve the above functions, present invention provide the technical scheme that

A kind of ceramic wet powder-making technique, comprising the following steps:

All kinds of sand, stone, mud and land waste are individually carried out ball milling by S1, independent ball milling, obtain various small slurries；

S2, the various small slurries are held respectively in transfer stock tank；

S3, mix are then fed into homogenizing stock tank according to proportion feeding from each individual transfer stock tank is required It is homogenized, obtains mud；

S4, slurry dewatering is handled, obtains cake mass；

S5, the small clod for cake mass being divided into partial size be less than 3cm；

S6, the small clod is dried under low-temperature condition, reaches the drying clod of predetermined moisture content；

S7, by dry clod, broken, granulation obtains the satisfactory powder particles of partial size.

Preferably, under conditions of water content is 30%~36%, independent ball milling is carried out to sand.

Preferably, under conditions of water content is 30%~36%, independent ball milling is carried out to stone.

Preferably, under conditions of water content is 42%~48%, independent ball milling is carried out to mud.

Preferably, under conditions of water content is 37%~43%, independent ball milling is carried out to land waste.

Preferably, the water content of cake mass described in the step S4 is 18%~25%.

Preferably, the predetermined moisture content of dry clod described in the step S6 is 7%~10%.

Preferably, further includes:

S8, screening isolate the finished product powder for meeting Particle size requirements, screen out the too small powder dust of partial size；To powder powder Dirt is squeezed, and forms block material, the processing step of the S7 is executed to the block material.

The present invention also provides a kind of ceramic wet powder-making production line, including a plurality of pure Pulping Line, with slurry being set side by side Mechanism and at least one are homogenized stock tank；

Every pure Pulping Line includes at least 1 feeder, ball milling into sizing device and transfer stock tank, the feeder It is connected with the ball milling at the feed inlet of sizing device；The ball milling at the discharge port of sizing device connect the transfer stock tank into Material mouth；

The mechanism with slurry includes several branches with slurry, the quantity of the branch with slurry and the transfer stock tank quantity phase Together；The feed inlet of the branch with slurry is connected with the discharge port of the transfer stock tank, the discharge port of the branch with slurry and institute Homogenizing stock tank is stated to be connected.

Preferably, the ceramic wet powder-making production line further include: dehydration equipment cuts at a high speed mud device, ceramic material baking Dry equipment, ceramic material are crushed Granulation Equipments；

The discharge port of the homogenizing stock tank is connected with the feed inlet of the dehydration equipment；The discharge port of the dehydration equipment It is connected by conveyer belt with the feed inlet that the high speed cuts mud device；The discharge port that the high speed cuts mud device passes through conveyer belt It is connected with the feeding port of the ceramic material drying equipment；The discharge port of the ceramic material drying equipment and the ceramic mud Expect that the feed inlet of broken Granulation Equipments is connected.

Preferably, the ball milling is single ball mill or continuous ball milling unit at sizing device；The continuous ball milling unit by Several table grinder ladder connections form.

The beneficial effects of the present invention are:

1, a plurality of pure Pulping Line, the corresponding slurrying production of the small formulation material of every kind of thin material or ball milling similar performance are utilized Line, to solve in existing technique or production line ball caused by the big ceramic raw material mixing and ball milling of various ball milling performance differences Time consuming length, problem at high cost；

2, mud device, ceramic material drying equipment and ceramic material are cut using dehydration equipment, at a high speed is crushed Granulation Equipments connection Conjunction is dehydrated ceramic mud, low temperature drying, it is broken, be granulated, solve existing spray drying tower high energy consumption, high pollution is asked Topic.

Detailed description of the invention

Fig. 1 is process flow chart of the invention；

Fig. 2 is the structural block diagram of production line of the invention；

Fig. 3 is the structural schematic diagram that high speed cuts mud equipment；

Fig. 4 is the structural schematic diagram of clay shredder structure；

Fig. 5 is the structural schematic diagram of feed hopper；

Fig. 6 is the main view of ceramic material drying equipment；

Fig. 7 is the left view of ceramic material drying equipment；

Fig. 8 is the top view of ceramic material drying equipment；

Fig. 9 is longitudinal cut-away view of ceramic material crushing plant；

Figure 10 is the lateral cut-away view of ceramic material crushing plant；

Figure 11 is the structural schematic diagram of crushing mechanism；

Figure 12 is the cooperation schematic diagram of quartering hammer and blade；

Figure 13 is the structural schematic diagram of discharging mechanism；

Figure 14 is the structural schematic diagram for actively rolling cage；

Figure 15 is the main view of material grinder；

Figure 16 is the left view of material grinder；

Figure 17 is the structural schematic diagram of pressurizing unit；

Figure 18 is the cooperation schematic diagram of two compression rollers.

Specific embodiment

1 to attached drawing 18, the present invention is further elaborated with reference to the accompanying drawing:

A kind of ceramic wet powder-making technique as shown in Figure 1, comprising the following steps:

All kinds of sand, stone, mud and land waste are individually carried out ball milling by S1, independent ball milling, obtain various small slurries；

S2, the various small slurries are held respectively in transfer stock tank 1003；

S3, mix, according to ratio requirement from each individual transfer stock tank 1003 feeding, be then fed into equal slurrying It is homogenized in pond 20, obtains mud；

S4, slurry dewatering is handled, obtains cake mass；

S5, the small clod for cake mass being divided into partial size be less than 3cm；

S6, the small clod is dried under low-temperature condition, reaches the drying clod of predetermined moisture content；

S7, by dry clod, broken, granulation obtains the satisfactory powder particles of partial size.

To realize above-mentioned technique, we provide a kind of ceramic wet powder-making production lines as shown in Figure 2, it includes arranged side by side 2 or more 4 be set side by side being arranged pure Pulping Line 10, ingredient sector 70, multiple homogenizing stock tanks 20, dehydration equipment 30, mud device 40, ceramic material drying equipment 50, ceramic material are cut at a high speed is crushed Granulation Equipments 60.

Every pure Pulping Line 10 includes 3 feeders 1001, ball milling into sizing device 1002 and transfer stock tank 1003, feeding Machine 1001 is connected with ball milling at the feed inlet of sizing device 1002；Ball milling connects transfer stock tank at the discharge port of sizing device 1002 1003 feed inlet.The quantity for the feeder 1001 that every pure Pulping Line 10 includes during actual use can be according to need It is accordingly increased or is reduced, the quantity of the feeder 1001 on every pure Pulping Line 10 may be different.

Ball milling is separate unit, more table grinders or continuous ball milling unit at sizing device 1002；Continuous ball milling unit is by several Ball mill ladder connection forms.

Various ceramics thin materials reach the small slurry of predetermined fineness, then small slurry is sieved and is removed after independent ball milling Iron processing, removes the iron filings and impurity thing in small slurry.In this example, the front end of transfer stock tank 1003 is provided with except iron stock tank 1004, ball milling removes the feed inlet of iron stock tank 1004 at the discharge port connection of sizing device 1002, except the discharge port of iron stock tank 1004 connects Connect the feed inlet of transfer stock tank 1003.The correspondence of Kaplan pond 1003 in every pure Pulping Line 10 is contained with the small powder after ball milling Slurry.As needed, iron stock tank 1004 can also be arranged in the front end of homogenizing stock tank 20 in we, or in 1003 He of transfer stock tank Iron stock tank 1004 is arranged simultaneously in the front end for being homogenized stock tank 20, to achieve the purpose that except iron and other impurity.

After the proportion mixing that above-mentioned various pure slurry amounts are needed by production, can obtain be for the water content for producing ceramics 38%~42% ceramic mud.Ingredient sector 70 includes several branches with slurry, the quantity and transfer stock tank of branch with slurry 1003 quantity is identical；The feed inlet of branch with slurry is connected with the discharge port of transfer stock tank 1003, the discharge port of branch with slurry It is connected with homogenizing stock tank 20.

Flow direction in branch with slurry along slurry is disposed with pneumatic ball valve, flow transmitter and pump, in which:

Pneumatic ball valve, for opening or closing pipeline；

Flow transmitter, for detecting the flow in pipeline；

Pump is conveyed for slurry.

In use, obtaining the matter of corresponding sand, stone, mud, land waste according to the proportion according to the quality for the ceramic powder to be produced After amount, then the density of the small slurry of ball milling is good sand, stone, mud, land waste is measured, converses the volume of this small slurry of 4 class, so The pump and pneumatic ball valve for starting corresponding branch with slurry afterwards are pumped into small slurry by pipeline from corresponding transfer stock tank 1003 It is homogenized in stock tank 20, flow transmitter calculates the volume of the small slurry pumped, and after the volume required by reaching, it is pneumatic just to close valve Ball valve 7013 and pump.Various thin material slurry amounts after mixing, obtain required ceramic mud in homogenizing stock tank 20.

The discharge port of homogenizing stock tank 20 is connected with the feed inlet of dehydration equipment 30；The discharge port of dehydration equipment 30 passes through defeated Band is sent to be connected with the feed inlet for cutting mud equipment；The discharge port that high speed cuts mud device 40 is set by conveyer belt and ceramic material drying Standby 50 feeding port is connected；The discharge port and ceramic material of ceramic material drying equipment 50 are crushed the feed inlet of Granulation Equipments 60 It is connected.

The structure of above-mentioned transfer stock tank 1003 is similar with homogenizing stock tank 20, and only volume relatively homogenizing stock tank 20 is small.At this In invention, related feeder, homogenizing stock tank, ball mill or continuous ball milling unit etc. are all that existing Production of Ceramics enterprise is common Equipment, structure, working principle and connection type are that those skilled in the art can learn, in this case the selection of raw material and Proportion, being all made of existing general technology can be realized.

Need the raw material for carrying out ball milling that can be divided into 4 major class, respectively sand, stone, mud, land waste in ceramic raw material.It is each big Ball-milling Time needed for class and most suitable ball milling water content be not identical.It is right under conditions of water content is 30%~36% Sand material carries out ball milling, and effect is preferable；Under conditions of water content is 30%~36%, independent ball milling carried out to building stones, effect compared with It is good；Under conditions of water content is 42%~48%, independent ball milling is carried out to mud, effect is preferable；Water content be 37%~ Under conditions of 43%, independent ball milling is carried out to land waste, effect is preferable.

They are first mixed and then carry out ball milling again in traditional production line and production technology, it can only be in some spy Under fixed water content using required Ball-milling Time in above-mentioned 4 major class it is longest that as ball milling time.In addition, in order to reduce ball The water content of mud is when mill to reduce the energy consumption of the dry mud of spray tower, and the water content of mud is generally on 36% left side when ball milling The right side, under the water content, in order to improve the mobility of mud, prevent mud grumeleuse, when ball milling, also needs that ceramic water reducing agent is added, This also increases ball milling costs.

Below for producing the ceramic raw material of common floor tile, illustrate the Ball-milling Time of mixing and ball milling and the independent ball milling of thin material With the relationship of water content, wherein the Ball-milling Time that various thin materials are required in 36% water content is shown in Table A, and table B is to pass The time of the mixing and ball milling of system and aqueous scale, table C are the feelings of the only ball milling of single material list under optimum moisture content that the present invention uses Condition table:

Table A:

Raw material	Ball-milling Time (h)	Water content
			Sand	8	36%
Stone	12	36%
			Mud	3	36%
Land waste	5	36%

Table B:

Raw material	Ball-milling Time (h)	Water content
			Mixture	12	36%

Table C:

Raw material	Ball-milling Time (h)	Water content
			Sand	6	33%
Stone	10	33%
			Mud	2	45%
Land waste	4	40%

From Table A and table B it will be seen that in the aqueous of 36% (water content for producing the ceramic mud of common floor tile) Under amount, when mixing and ball milling need to using in raw material the required longest building stones of Ball-milling Time time (12 hours) as the ball of mixing and ball milling Time consuming, therefore the time of entire mechanical milling process is long, and under the Ball-milling Time, mud, sand, land waste may be overground, in addition, The condensation of mud influences ball milling effect under the water content in order to prevent, and when ball milling also needs that water-reducing agent is added.

Such as table C, by the way of pure ball milling, when we can select most suitable water content and ball milling to every kind of thin material Between, it is easy to happen the raw materials such as mud, the land waste of condensation when to ball milling using biggish water content and carries out ball milling, to avoid diminishing The use of agent, reduces cost.

Through known to actual production data: being compared compared with the mode of mixing and ball milling, using pulping process of the invention, in ball Mill stage, ball milling ceramic raw material per ton can be saved: 25% or more electricity and 10~20 yuan or so of water-reducing agent cost.

It should be noted that the present invention using thin material individually by the way of ball milling, although the ball milling stage can save ball The final water content for the ceramic mud wearing into this, but being mixed due to the thin material after ball milling can be 40% or so, than traditional The water content of the ceramic mud of mixing and ball milling is high by about 4%.If continued in such a way that spray tower is dry, mechanical milling process saving Cost, the dry added energy consumption cost of tower can be atomized and balance out major part, energy-saving effect is unobvious.Therefore, of the invention Using low temperature drying, being crushed, make the technique of material, (powder particles are made in ceramic mud by above-mentioned processing step S3 to S7), are below To the explanation of related technique and equipment.

Slurry dewatering, we can be carried out using existing dehydration equipment, and there are mainly of two types for existing dehydration equipment, One kind is dehydrated using centrifuge or vacuum hydroextractor；Another kind of be dehydrated using filter press.Using centrifuge or The length of pug its small volume that the mud of vacuum hydroextractor processing obtains, maximum side is less than 5cm, due to its volume compared with Small, we can directly be dried these pugs；The cake mass obtained after being handled using filter press mud Volume is big, is unfavorable for drying, and the thickness for needing cake mass to be divided into thickness is less than the small pug of 5cm；Small pug in the form of sheets, Blocky and/or strip.

In the present embodiment, we are using the scape saliva single chamber charging filter press of Jingjin Environmental Protection Inc.'s production to mud Slurry is dehydrated, the cake mass (filter for being 18%~25% slurry dewatering to the water content that water content is 40%~42% Cake).Although the equipment is gold concentrate, the tailings glass for gold industry, but be applied to the ceramic mud in the present embodiment Effect is obvious in dehydration, and obtained filter cake thickness is uniform.

Cake mass, which passes through, is arranged in conveyer belt below filter press discharge port, is delivered to high speed and cuts mud device 40 and carries out brokenly Broken processing.A kind of high speed as shown in Figure 3 cuts mud device 40, including pedestal 11, cuts hopper dredger 12 and clay shredder structure 13, cuts hopper dredger 12 It is cylindrical, it is fixedly mounted on the pedestal 11；It cuts 12 upper top of hopper dredger and is provided with crossbeam 14, clay shredder structure 13 is fixedly mounted on On crossbeam 14；The top for cutting hopper dredger 12 is provided with feed hopper 15, and feed hopper 15 is fixed on crossbeam 14, and lower section is provided with out hopper dredger 16, hopper dredger 16 is installed on the pedestal 11 out.

Clay shredder structure 13 as shown in Figure 3 and Figure 4 cuts trowel 133, rotary shaft including rotary shaft 131, motor 132 and 3 131 may be rotatably mounted on crossbeam 14, and motor 132 is fixedly mounted on crossbeam 14 and is connected by belt pulley set and rotary shaft 131 It connects, drives rotary shaft 131 to rotate 3 and cut be fixedly mounted in rotary shaft 131 from top to bottom along rotary shaft 131 of trowel 133, Be equipped with and cut the part of trowel 133 and be located at and cut in hopper dredger 12, rotary shaft 131 with to cut hopper dredger 12 coaxial.

As shown in figure 4, the longitudinal section of feed hopper 15 is in " people " word shape, 1 import 151,2 outlets 152 are provided with, in Between be equipped with sharp sub-material sword 153, the effect of sub-material sword 153 is that the filter cake fallen into feed hopper 15 is split, make its compared with It equably falls into and is cut in hopper dredger 12 in both directions, trowel 133 is cut with raising and cuts the rate of mud, and make the body of small pug after cutting Product is smaller.

As shown in figure 4, every is cut trowel 133 with 3 blades 1331, and neighbouring two are cut the dislocation of trowel 133 and set It sets, i.e., upper and lower two adjacent blades 1331 in the same direction, the cutting efficiency of trowel 133 are not cut with raising.In addition, cutting mud The quantity of knife 133 and every quantity for cutting 133 cutter 1331 of trowel can be according to the sizes of the volume of small pug required after cutting It is increase accordingly or is reduced.

For hopper dredger 16 in cone or truncated cone-shaped, the big lower opening of upper opening is small to collect small pug to facilitate out.In order to The working condition for facilitating observation clay shredder structure 13, the middle part for cutting hopper dredger 12 are provided with door 121, and door 121 is using transparent sub- gram Power plate is made.

High speed cut mud device 40 by setting cut hopper dredger 12 and clay shredder structure 13, and on cutting hopper dredger 12 setting 1 into 2 go out Feed hopper 15, small clod, which is fallen into, to be divided into two parts by feed hopper 15 after feed hopper 15 and exports respectively from two of feed inlet 152 enter cut in hopper dredger 12, on clay shredder structure 13 from top to bottom high-speed rotating 3 cut trowel 133 gradually small clod segmentation It meets the requirements small pug at size.

After small clod is cut trowel more than 133 times cuttings, the small pug that partial size is about 1cm~3cm may be partitioned into, to be convenient to Subsequent drying process.

Fig. 6 to it is attached it is shown in Fig. 8 be the present embodiment use a kind of ceramic material drying equipment 50, it includes drying box 21, conveying device 22, hot blast conveying pipe road 23, hydrofuge total pipeline 24, wet-emitting blower 25 and circulating fan 26.

The front of drying box 21 is hot wind cavity 211, and rear portion is dry cavity 212.Conveying device 22 includes 5 conveyings Band, the front and rear of conveyer belt are respectively arranged with driving wheel and driven wheel, and driving wheel is fixedly mounted on the output shaft of motor And rotation is driven by motor.5 conveyer belts are successively set on from top to bottom in dry cavity 212, and one end of conveyer belt is charging End, the other end are blanking end, and 5 conveyer belts are 4 chain net belts and 1 conveyor belt, and wherein conveyor belt is arranged most Lower layer；On dry cavity 212, the tail portion at the blanking end of conveyer belt is tiltedly installed with striker plate 2121, to guarantee small pug From the feed end that upper one layer of blanking end falls to next layer completely.

To make small pug more uniformly be heated, along the conveying direction of conveyer belt, the top of every chain net belt is also equal It is even to be provided with 3 stirring rods 29, multi-disc strip material mixing piece, stirring rod are circumferentially evenly arranged on every stirring rod 29 Rotation is driven by motor.When small pug is transported to 29 lower section of stirring rod along chain net belt, the material mixing piece of rotation stirs chain Small pug above net belt guarantees that small pug is whole by evenly drying to keep small pug heated more evenly.

Along the conveying direction of conveyer belt, the upper and lower part of the demarcation plate 213 of hot wind cavity 211 and dry cavity 212 It is uniformly provided with multiple hot wind through-holes 2131 respectively, the hot wind through-hole 2131 on top is located at the top of top layer's chain net belt, The hot wind through-hole 2131 of lower part is between undermost chain net belt and conveyor belt；The top of hot wind cavity 211 is uniform Multiple hot wind inlets 2111 are offered, hot wind inlet 2111 is connected with the one end in hot blast conveying pipe road 23 respectively.Hot wind conveying The other end of pipeline 23 is connected with the air outlet of the exhaust pipe of kiln and air-heater respectively, and the middle part in hot blast conveying pipe road 23 is also It is provided with air blower.During actual use, the low temperature shape needed for residual heat from kiln furnace is able to achieve flouring technology of the invention When state, i.e., the temperature in drying box 21 then directly does small pug using residual heat from kiln furnace between 80~250 DEG C It is dry, to reach maximum energy-saving effect；When residual heat from kiln furnace deficiency, then starts air-heater and carry out hot wind supplement, to guarantee to dry Dry equipment can work normally.Temperature in drying box 21 can be examined by the way that temperature sensor is arranged in drying box 21 It surveys, and is controlled by the start and stop of control air-heater, in the art, these are common technological means, herein not to it Principle is repeated.

The centre at the top of dry cavity 212 is evenly arranged with several circulating fans along the conveying direction of conveyer belt 26, make the hot wind in hot wind cavity 211 in dry 212 internal circulation flow of cavity by circulating fan 26.The top of dry cavity 212 Portion is evenly arranged with several dehumidifier mouths along the conveying direction of conveyer belt in one end far from hot wind inlet 2111, in this implementation In example, the length of dry cavity 212 is about 20m, is equipped with 9 dehumidifier mouths altogether, and every 3 dehumidifier mouths are one group and pass through dehumidifier subtube 27 connections, each dehumidifier subtube 27 are connected to by wet-emitting blower 25 with hydrofuge total pipeline 24 respectively again, pass through wet-emitting blower 25 Wet wind in dry cavity 212 is taken away.It is provided with regulating valve 28 between wet-emitting blower 25 and dehumidifier subtube 27, passes through adjusting Valve 28 adjusts air output, to adjust dehumidifier speed.

In the present embodiment, the small pug after mud device 40 is managed is cut at a high speed, and ceramic material drying is transmitted to by conveyer belt On the swing distributing belt machine 6 of 50 front end of equipment, then is equably trickled down by swing distributing belt machine 6 and set in ceramic material drying On the feed end of the chain net belt of standby 50 top layers, small pug moves to blanking end from feed end along chain net belt, then from Blanking end is fallen on the feed end of next layer of chain net belt, and and so on downwards, the drying clod after final drying passes through Conveyor belt transfers out drying box 21, in this process residual heat from kiln furnace and/air-heater generate hot wind by air blower into Enter in hot blast conveying pipe road 23, then is being recycled through hot wind cavity 211 and by the upper and lower two thermal wind exhaustings through-hole 2131 of demarcation plate 213 Under the action of blower 26, the circulation up and down in dry cavity 212, thus guarantee coming into full contact with for hot wind and small pug, dry After hot wind gradually takes away the moisture on small pug, become the lower damp and hot wind of temperature, then be discharged into hydrofuge total pipeline through dehumidifier blower 24.For small pug after the drying of drying box 21, water content is reduced to 7%~10%, and transfers out drying by conveyor belt Outside cabinet 21.Swinging distributing belt machine 6 is the common charging equipment of dry industry, structural reference city dealer's product, herein not Its principle is repeated.

It should be noted that described wet-emitting blower 25, circulating fan 26 are for ease of description, by wind in the description The purposes name of machine in the present specification, using the blower for being able to achieve associated uses in city's dealer's product when use.

It is unfolded by swinging distributing belt machine 6 and small pug being tiled, is uniformly sprinkled upon on chain net belt and carries out low temperature drying Processing, to guarantee that small pug comes into full contact with dry-heat air, accelerates dry efficiency.Secondly, the drying cavity of the present embodiment Temperature in 212 is between 80~250 DEG C, by the way that such temperature is arranged to enable moisture in small pug rapidly to steam Hair.

Small pug after drying is transported to the feed inlet that ceramic material is crushed Granulation Equipments 60, and ceramic material is broken to be granulated 60 pairs of equipment dry clods carry out quick crashing and granulation.

A kind of ceramic material as shown in Figure 9 and Figure 10 is crushed Granulation Equipments 60, including cracking cabin 31,32 and of disruption elements Discharging mechanism 33, disruption elements 32 are arranged in cracking cabin 31, and the lower section of cracking cabin 31 is arranged in discharging mechanism 33.

Disruption elements 32 include rotation axis 321, motor A322, the arc-shaped sieve 324 of 8 crushing mechanisms 323 and 2, every 4 The corresponding arc-shaped sieve 324 of a crushing mechanism 323, crushing mechanism 323 is generally uniform to be fixed in rotation axis 321；Circular arc Shape sieve 324 and rotation axis 321 are coaxial, and are fixedly mounted on the underface of rotation axis 321, uniformly open on arc-shaped sieve 324 Equipped with several through-holes, the diameter of through-hole is 0.5mm~1.5mm.The diameter of through-hole determines powder particles after being crushed and being granulated The size of maximum particle diameter, the diameter of through-hole can be configured according to the actual needs of production.The both ends of rotation axis 321 are respectively from broken It is pierced by broken storehouse 31, and both ends may be rotatably mounted on cracking cabin 31 by bearing, wherein one end and motor A322 pass through speed change Case is connected, and motor A322 drives rotation axis 321 to rotate.

As shown in figure 11, crushing mechanism 323 includes 2 rotating turrets, 3231,12 blade 3232 and 6 piece quartering hammers 3233；2 A 3231 or so mirror of rotating turret is uniformly fixed with 6 blades 3232 on the circumferencial direction of each rotating turret 3231 to setting；It is broken Hammer into shape 3233 in long strip, left and right ends are separately fixed at the terminal part of corresponding left and right two panels blade 3232.Certainly in reality During the use of border, the quantity of quartering hammer 3233 can basis in the quantity of crushing mechanism 323 and each crushing mechanism 323 Actual needs are adjusted.Between the least significant end of quartering hammer 3233 and arc-shaped sieve 324 have certain gap, we The gap is known as friction gap, and in the present embodiment, which is about 1mm.

Quartering hammer 3233 includes connector 32331 and hammer body 32332；As shown in figure 12, the end of blade 3232 offers A plurality of non-slip groove 32321, connector 32331 and blade 3232, which cooperate, is correspondingly arranged on tread plate on fixed lower surface 323311, the mounting groove for installing hammer body 32332 is offered in the middle part of upper top surface.In the present embodiment, hammer body 32332 is in length Cube shape is made of ceramics, the impact effect and make that ceramic hardness is high, density is greatly to be conducive to raising quartering hammer 3233 Use the service life.

As shown in figure 13, discharging mechanism 33 include discharging band 331, actively roll cage 332, passively roll cage 333, motor B334 and Discharge tape holder 335；It actively rolls cage 332 and passive rolling cage 333 to be rotatably provided on discharging tape holder 335, motor B334 and active Rolling cage 332, which is connected and driven, actively rolls the rotation of cage 332；Discharging band 331, which is set in, actively to be rolled on cage 332 and passive rolling cage 333.

In the present embodiment, cage 332 and driven rolling cage are actively rolled in spinning taper.The structure of cage 332 is actively rolled in addition to rotation One end of axis 3321 is longer and be provided with outside connection structure due to that need to connect with motor B334, other parts and passive rolling cage 333 structure is identical.Below for actively rolling cage 332, the structure of the two is illustrated.

As shown in figure 14, actively rolling cage 332 includes rotary shaft 3321, front mounting plate 3322, rear mounting plate 3323, support plate 3323 and several cage items 3324；Front mounting plate 3322, rear mounting plate 3323 and support plate 3323 is cylindrical and support plate Big, front mounting plate 3322, rear mounting plate of the diameter of 3323 cross section than front mounting plate 3322 and rear mounting plate 3323 3323 and support plate 3323 be separately fixed at the front end, rear end and middle part of rotary shaft 3321；Several cage items 3324 are along rotation The circumferencial direction of axis 3321 is uniformly distributed, and front end, rear end and the middle part of cage item 3324 are separately fixed at front mounting plate 3322, rear peace In loading board 3323 and support plate 3323, to form spindle cage body.

Discharging mechanism 33 further includes 9 upper supporting roller 337 and 3 piece snub pulleys 336, and upper supporting roller 337 is uniformly arranged on discharging band On frame 335, upper supporting roller 337 is in contact with the lower surface of the discharging band 331.The effect of upper supporting roller 337 be to discharging band 331 into Row support prevents discharging band 331 from deforming when conveying powder particles because excessively bearing a heavy burden.In addition, to prevent discharging band 331 from sending During material, the front and rear sides of powder particle from discharging band 331 are unrestrained, and the front and rear sides of discharging band 331 are provided with gear edge 311。

When in use, the drying pug after drying falls into the cracking cabin 31 of crushing plant from the feed inlet above crushing plant In；It isolated, hit by high-speed rotating quartering hammer 3233 in cracking cabin 31, dry pug forms bulky grain after being crashed to pieces and falls into On arc-shaped sieve 324, the lasting circular-rotation of multiple quartering hammers 3233 can sink to the bulky grain on arc-shaped sieve 324 under Constant collision drives bulky grain to recycle above arc-shaped sieve 324 and sheds, is broken into granule so that bulky grain gradually be collided The little particle of diameter；In addition, being squeezed when quartering hammer 3233 turns to arc-shaped 324 top of sieve using the rotation of quartering hammer 3233 Pressure squeezes the little particle of the small particle on arc-shaped sieve 324 to the friction gap of quartering hammer 3233 and arc-shaped sieve 324 In, make to be extruded into the through-hole on the little particle friction circle curved screen 324 in friction gap, so that little particle is rubbed to be formed The powder particle of ultra-small grain size is granulated by above-mentioned broken and friction, and the final powder particles for meeting Particle size requirements penetrate Through-hole on arc-shaped sieve 324 falls on discharging band 331 and is transported.

In the process of the invention, we also optimize abrasive grain to above-mentioned powder particles, i.e., carry out to powder particles Polishing, keeps its surface more smooth.Optimization abrasive grain purpose be increase powder mobility, adjust particle grain composition and Adjust the bulk density of particle.In the present embodiment, the process for optimizing abrasive grain is realized using material grinder.

As shown in Figure 15 and Figure 16, material grinder includes mounting base 41, abrasive barrel 42 and motor 43.Abrasive barrel 42 is in cylinder Shape, opening up inclination are rotatably provided in mounting base 41.Circular trough is offered in the middle part of the outer surface of abrasive barrel 42 421, motor 43 is fixedly mounted in mounting base 41, and belt pulley is equipped on the output shaft of motor 43, and belt is set in circular trough 421 and belt pulley on, pass through motor 43 indirectly driving abrasive barrel 42 rotate.

The outer surface of abrasive barrel 42 is evenly arranged with 4 rolling raised lines 422, every rolling raised line along its radial direction 422 are correspondingly arranged on scroll wheel 44, and scroll wheel 44 may be rotatably mounted in mounting base 41, by scroll wheel 44 to abrasive barrel 42 into Row support, while the frictional force between abrasive barrel 42 and mounting base 41 is reduced, it makes it easier for rotating.

The left and right ends of abrasive barrel 42 are also respectively provided with limit raised line 423, and the effect of limit raised line 423 is to prevent abrasive material 42 or so plays of cylinder.The left and right end of mounting base 41 is respectively arranged with the limited roller 45 matched with limit raised line 423.

After powder particles are put into abrasive barrel 42, motor 43 drives abrasive barrel 42 to rotate, the powder in abrasive barrel 42 The inside meeting phase mutual friction of intergranular or powder particles and abrasive barrel 42 is realized excellent to realize the polishing to powder particles surface Change abrasive grain.

The process that above-mentioned optimization abrasive material treated powder particles are screened through partial size again, to screen out the too small powder of partial size Dust screens out the powder dust of partial size 0.05mm~0.18mm in the present embodiment, and sub-argument goes out to meet the finished powder of Particle size requirements Material, and finished product powder is sent into the finished bin that is preset with store it is spare.

Before being polished using material grinder powder particles, we can also be added reinforcing agent in powder particle, then Mixed powder particle carries out abrasive material by material grinder.To make to optimize abrasive material, treated that powder particle surface is stained with enhancing Agent.

The effect that powder particles surface is stained with reinforcing agent is to prevent powder particles fragmentation in subsequent process, and improve The viscosity of powder particles.

We can buy to resell the various reinforcing agents for applying to ceramic body of product to reinforcing agent using current city, in the present embodiment In, used reinforcing agent is sodium carboxymethylcellulose.

To increase operation rate, we can be recycled by the pressurizing unit powder dust too small to partial size, be squeezed.

Be pressed through pressurizing unit progress, as shown in figure 17, pressurizing unit include working bin 51 and be set to working bin 51 Two interior compression rollers 52, two compression rollers 52 are parallel and the compression roller 52 that rotates towards each other, and 52 both ends of compression roller are to pass through axis Seat is held to be fixedly installed in working bin 51.The output end for squeezing motor 101 is passed on from one to another with 102 input terminal of retarder by driving belt It is dynamic, 102 output end of retarder and the transmission of 103 phase of shaft coupling, shaft coupling 103 and wherein 52 end of the compression roller mutually company of transmission It connects, two ipsilateral ends of compression roller 52 are provided with the transmission gear 123 for the transmission that is meshed, thus by squeezing motor 101 It drives a compression roller 52 to be rotated through retarder 102 and shaft coupling 103, and utilizes the transmission gear 123 of two engagements It drives another compression roller 52 to be rotated, finally realizes the movement that two compression rollers 52 rotate towards each other.As shown in figure 18, every A plurality of arrangement and the extruding slot 521 axially extending along compression roller 52 in a ring are formed on 52 roll surface of root compression roller, two are squeezed Extruding slot 521 on 52 roll surface of pressure roller correspond with two compression rollers 52 rotate towards each other roll surface the tangent mutually converge to be formed it is crowded Press chamber 522.Material-falling hopper 53 is provided with above the working bin 51 of the present embodiment.Powder dust is delivered to two extruding from material-falling hopper 53 At 52 roll surface of roller, filling completely squeezes slot 521, as two compression rollers 52 rotate towards each other, squeezes to be formed in roll surface the tangent Chamber 522 is realized to powder dust extrusion forming, and then obtains the block material consistent with 522 shape of extrusion chamber, and block material is with two The rotational action of root compression roller 52 is discharged.

Block material is crushed Granulation Equipments 60 by above-mentioned ceramic material again and carries out broken and granulating working procedure, to realize powder The recycling of feed powder dirt.

The present invention provides a kind of ceramic wet powder-making techniques, and which solve ceramic raw material Ball-milling Time length, energy consumption are high Problem, while also solving the problems, such as existing drying tower high energy consumption, high pollution, enterprise's production cost is greatly lowered.The present invention The production line to match with the technique is provided simultaneously.

Claims (10)

1. a kind of ceramic wet powder-making technique, it is characterised in that: the following steps are included:

All kinds of sand, stone, mud and land waste are individually carried out ball milling by S1, independent ball milling, obtain various small slurries；

S2, the various small slurries are held respectively in transfer stock tank；

S3, mix are then fed into homogenizing stock tank and carry out according to proportion feeding from each individual transfer stock tank is required Homogenizing, obtains mud；

S4, slurry dewatering is handled, obtains cake mass；

S5, cake mass is divided into small clod；

S6, the small clod is dried under low-temperature condition, reaches the drying clod of predetermined moisture content；

S7, by dry clod, broken, granulation obtains the satisfactory powder particles of partial size.

2. ceramic wet powder-making technique as described in claim 1, it is characterised in that: the condition for being 30%~36% in water content Under, independent ball milling is carried out to sand.

3. ceramic wet powder-making technique as described in claim 1, it is characterised in that: the condition for being 30%~36% in water content Under, independent ball milling is carried out to stone.

4. ceramic wet powder-making technique as described in claim 1, it is characterised in that: the condition for being 42%~48% in water content Under, independent ball milling is carried out to mud.

5. ceramic wet powder-making technique as described in claim 1, it is characterised in that: the condition for being 37%~43% in water content Under, independent ball milling is carried out to land waste.

6. ceramic wet powder-making technique as described in claim 1, it is characterised in that: cake mass described in the step S4 Water content is 18%~25%.

7. ceramic wet powder-making technique as described in claim 1, it is characterised in that: dry clod described in the step S6 Predetermined moisture content is 7%~10%.

8. ceramic wet powder-making technique as described in claim 1, it is characterised in that: further include:

S8, screening isolate the finished product powder for meeting Particle size requirements, screen out the too small powder dust of partial size；To powder dust into Row squeezes, and forms block material, the processing step of the S7 is executed to the block material.

9. a kind of ceramic wet powder-making production line, it is characterised in that: including a plurality of pure Pulping Line, mechanism with slurry being set side by side Stock tank is homogenized at least one；

Every pure Pulping Line includes at least 1 feeder, ball milling into sizing device and transfer stock tank, the feeder and institute Ball milling is stated to be connected at the feed inlet of sizing device；The ball milling connects the charging of the transfer stock tank at the discharge port of sizing device Mouthful；

The mechanism with slurry includes several branches with slurry, and the quantity of the branch with slurry is identical as the transfer stock tank quantity； The feed inlet of the branch with slurry is connected with the discharge port of the transfer stock tank, the discharge port of the branch with slurry and it is described Slurrying pond is connected.

10. ceramic wet powder-making production line as claimed in claim 9, it is characterised in that: the ceramic wet powder-making production line Further include: dehydration equipment cuts at a high speed the broken Granulation Equipments of mud device, ceramic material drying equipment, ceramic material；

The discharge port of the homogenizing stock tank is connected with the feed inlet of the dehydration equipment；The discharge port of the dehydration equipment passes through Conveyer belt is connected with the feed inlet that the high speed cuts mud device；The discharge port that the high speed cuts mud device passes through conveyer belt and institute The feeding port for stating ceramic material drying equipment is connected；The discharge port and the ceramic material of the ceramic material drying equipment are broken The feed inlet of broken Granulation Equipments is connected.