CN107399956A - Building porcelain granule production technology - Google Patents
Building porcelain granule production technology Download PDFInfo
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- CN107399956A CN107399956A CN201710742061.9A CN201710742061A CN107399956A CN 107399956 A CN107399956 A CN 107399956A CN 201710742061 A CN201710742061 A CN 201710742061A CN 107399956 A CN107399956 A CN 107399956A
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- China
- Prior art keywords
- haydite
- sludge
- shale
- production technology
- cellar
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of building porcelain granule production technology, including step：S1, shale carried out by primary fragmentation by shale crusher；S2, the progress second-time breakage of the first double-roll crusher will be delivered to by belt conveyor by the shale of primary fragmentation；S3, the shale of second-time breakage is delivered to the first biaxial rneader, while sludge is conveyed into the first biaxial rneader and mixed；S4, mixed material by the second double-roll crusher roll slice is made；S5, that slice is delivered into aging bunker is static；S6, it will be broken up by the slice being aged by the second biaxial rneader；S7, by the slice broken up pass through comminutor carry out haydite granulation；S8, by calciner haydite is calcined.The building porcelain granule production technology that the application provides, effectively reduces environmental pollution caused by sludge.
Description
Technical field
The present invention relates to haydite processing technique field, more particularly to a kind of building porcelain granule production technology.
Background technology
As environmental pollution gradually aggravates, sewage plant produces more sludge when purifying sewage, in order to reduce sludge row
Put, sewage plant produces sludge mainly based on cement kiln synergic processing, and the mode supplemented by the disposal of sludge gardens Nutrition Soil uses.
However, because demand is limited, substantial amounts of sludge is handled by the way of landfill, but needs sky for landfill
Between, and influence plant growth so that sludge pollution environment.
Therefore, environmental pollution caused by how reducing sludge, it is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of building porcelain granule production technology, environmental pollution caused by reduce sludge.
To achieve the above object, the present invention provides a kind of building porcelain granule production technology, including step：
S1, shale carried out by primary fragmentation by shale crusher；
S2, will by primary fragmentation shale by belt conveyor be delivered to the first double-roll crusher carry out it is secondary broken
It is broken；
S3, the shale of second-time breakage is delivered to the first biaxial rneader, while sludge is conveyed into the first biaxial rneader
Mixed；
S4, mixed material by the second double-roll crusher roll slice is made；
S5, that slice is delivered into aging bunker is static；
S6, it will be broken up by the slice being aged by the second biaxial rneader；
S7, by the slice broken up pass through comminutor carry out haydite granulation；
S8, by calciner haydite is calcined.
Preferably, the haydite calciner includes：
Revolution cellar for storing things, the furnace zone that the revolution cellar for storing things includes preheating section and connected with the preheating section, the end of the preheating section
Portion is provided with charging aperture, and the end of the furnace zone is provided with discharging opening, the charging aperture and the discharging opening and stored positioned at the revolution
Opposite end；
For providing the burner of heat to the furnace zone.
Preferably, the step S8 includes：
S81, the preheating section progress pre-heating drying by haydite placement rotary kiln；
S82, the furnace zone that rotary kiln is sent into after haydite is preheated, pass through pottery of the burner roasting in the furnace zone
Grain；
S83, by after roasting haydite cool down；
S84, the haydite after cooling is placed to haydite receiving storehouse.
Preferably, the step S4 also includes：By the slice after second double-roll crusher rolls by the 3rd
Two pairs of rollers mixer mixes with sludge, and the moisture content of the sludge is 80%；
Mixer is delivered the mixture to by conveying worm；
Mixture is extruded by pug mill.
Preferably, in addition to sludge drying device and be arranged on the preheating section charging aperture outer end expansion chamber, it is described
Expansion chamber communicates with the preheating section, and the sludge drying device includes sludge storage tank, prebake cellar for storing things, conveying worm, described
Conveying worm is used into prebake cellar for storing things convey sludge, and the charging aperture of the conveying worm is used to receive the sludge
Sludge in storage tank, the prebake cellar for storing things are connected by wind pumping channle with the expansion chamber.
Preferably, the smoke eliminator of prebake cellar for storing things gas outlet, the smoke eliminator are connected in addition to
It is described including cyclone dust collectors, sack cleaner, scrubbing tower, desulfurizing tower and the aiutage for being arranged on the desulfurizing tower gas outlet
Sack cleaner both ends are connected with the cyclone dust collectors and the scrubbing tower respectively, and the desulfurizing tower is connected to the scrubbing tower
Outlet side.
Preferably, in addition to waste water purification device, the waste water purification device include cooling tower, clear water reserviors and both ends difference
The sedimentation basin being connected with the clear water reserviors and the cooling tower, the discharge outlet of the water inlet of the cooling tower and the scrubbing tower connect
Connect, the delivery port of the clear water reserviors is connected with the water inlet of the scrubbing tower.
Preferably, the rotary kiln is rotated by motor driven, and the discharging opening of the rotary kiln is less than the rotary kiln
Charging aperture.
Preferably, haydite pre-heating drying time 35min, material water ratio 5% after drying；
Haydite sintering temperature is 1200 DEG C -1250 DEG C, roasting time 15min-20min.
Preferably, in the step S3, the weight ratio of shale and sludge is 9:1.
In the above-mentioned technical solutions, building porcelain granule production technology provided by the invention, including step：S1, broken by shale
Shale is carried out primary fragmentation by broken machine；S2, the first two pairs of rollers will be delivered to by belt conveyor break by the shale of primary fragmentation
Broken machine carries out second-time breakage；S3, the shale of second-time breakage is delivered to the first biaxial rneader, while sludge is conveyed first pair
Axle mixer is mixed；S4, mixed material by the second double-roll crusher roll slice is made；S5、
It is static that slice is delivered to aging bunker；S6, it will be broken up by the slice being aged by the second biaxial rneader；S7, by what is broken up
Slice carries out haydite granulation by comminutor；S8, by calciner haydite is calcined.
By foregoing description, in the building porcelain granule production technology that the application provides, pass through shale crusher and the
A pair of roll crushers carry out primary fragmentation to shale, stir shale and sludge by the first biaxial rneader, pass through the second two pairs of rollers
Disintegrating machine is by mixture film-making, after then being broken up by the second biaxial rneader, haydite granulation is carried out by comminutor, after granulation
Haydite roasting shaping, realize that sludge factory sludge reuses, effectively reduce environmental pollution caused by sludge.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
The flow chart for the building porcelain granule production technology that Fig. 1 is provided by the embodiment of the present invention；
The flow chart for the haydite burning process that Fig. 2 is provided by the embodiment of the present invention；
The building porcelain granule that Fig. 3 is provided by the embodiment of the present invention produces the structural representation of mechanism.
In wherein Fig. 3：1- oscillating feeders, 2- shale crushers, the double-roll crushers of 3- first, the Double shaft stirrings of 4- first
Machine, the double-roll crushers of 5- second, 6- batchers, the biaxial rneaders of 7- second, 8- comminutors, 9- turn round cellar for storing things, 10- prebakes are stored,
11- sack cleaners, 12- once washings tower, 13- secondary washings tower, 14- desulfurizing towers, 15- aiutages, 16- haydites accommodate storehouse,
17- chaff powders feed bin, 18- chaff powders control device, 19- air blowers, 20- expansion chambers, 21- air-introduced machines, 22- sludge storage tank, 23- first
Sludge pump, the sludge pumps of 24- second, the water pumps of 25- first, 26- air exhausters, 27- sedimentation basins, the water pumps of 28- second, 29- clear water reserviors,
30- cooling towers.
Embodiment
The core of the present invention is to provide a kind of building porcelain granule production technology, environmental pollution caused by reduce sludge.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings and embodiment party
The present invention is described in further detail for formula.
Fig. 1 to Fig. 3 is refer to, in a kind of embodiment, the building porcelain granule that the specific embodiment of the invention provides is given birth to
Production. art, including step：
S1, shale carried out by primary fragmentation by shale crusher 2.
Specifically, shale discharging particle diameter is 5mm-10mm.
The hammer mill that shale crusher 2 includes jaw crusher and outlet is connected with jaw crusher import, jaw
The outlet of disintegrating machine is connected with belt conveyor.In order to avoid polluting environment in shale process, it is preferable that jaw crusher and
Gas skirt is equipped with hammer mill, the flue dust wherein in gas skirt is handled by sack cleaner, sack cleaner outlet
Mouth is connected with aiutage 15, it is preferable that the height of aiutage 15 is 15m.
S2, will by primary fragmentation shale by belt conveyor be delivered to the first double-roll crusher 3 carry out it is secondary broken
It is broken, specifically, shale discharging particle diameter is less than or equal to 2mm；
S3, the shale of second-time breakage is delivered to the first biaxial rneader 4, while sludge is conveyed into the first biaxial rneader
4 are mixed.Now moisture percentage in sewage sludge is 40%.The first biaxial rneader 4 specifically can be sent into through forklift to be stirred.
Specifically, mixing time is 6min-10min.
In order to ensure the intensity of haydite, it is preferable that the weight of shale and sludge ratio is 9:1.
S4, mixed material by the second double-roll crusher 5 roll that slice is made, to improve haydite plasticity.
S5, that slice is delivered into aging bunker is static.
Specifically, at room temperature quiescent time be -7 days 2 days, in order to avoid interfering, aging bunker is multiple.Each ageing
Stack slice about 300t in storehouse.Material after aged is easily discongested, in material moisture homogenization degree improve so that surface of material and
Internal performance is more uniform, improves the processability of compound.
S6, it will be broken up by the slice being aged by the second biaxial rneader 7.
Specifically, mixing time is 5min-10min.
S7, the slice broken up is subjected to haydite granulation by comminutor 8.
Specifically, haydite particle diameter according to demand depending on, be specifically as follows 10mm-14mm.
S8, by calciner haydite is calcined.
By foregoing description, in the building porcelain granule production technology that the application specific embodiment is provided, pass through page
The double-roll crusher 3 of rock disintegrating machine 2 and first carries out primary fragmentation to shale, and shale and dirt are stirred by the first biaxial rneader 4
Mud, by the second double-roll crusher 5 by mixture film-making, after then being broken up by the second biaxial rneader 7, pass through comminutor 8
Haydite granulation is carried out, the haydite roasting shaping after granulation, realizes that sludge factory sludge reuses, effectively reduces sludge and cause
Environmental pollution.
In order to improve haydite crudy, step S4 also includes, and the slice after the second double-roll crusher 5 rolls is led to
The 3rd two pairs of rollers mixer is crossed to mix with sludge, wherein, moisture percentage in sewage sludge 80%.Then it is by conveying worm that mixture is defeated
Deliver to mixer.Then it will be mixed and extruded by pug mill, make uniformly mixing after mixture extruding uniformly.
Specifically, haydite calciner includes：
Revolution cellar for storing things 9, revolution cellar for storing things 9 include preheating section and the furnace zone connected with preheating section, and the end of preheating section is provided with charging
Mouthful, the end of furnace zone is provided with discharging opening, and charging aperture and discharging opening are located at turn around the opposite end at cellar for storing things 9；
For providing the burner of heat to furnace zone.Burner is used to provide heat to furnace zone.
Specifically, revolution cellar for storing things discharging opening is provided with sieve, screened automatically during haydite kiln discharge, undersize is grain
Footpath haydite up to specification, product stockyard is sent into by forklift after cooling；Oversize is the larger haydite of particle diameter, by manually entering
Row is broken into pieces, is sent into product stockyard.
Preferably, rotary kiln 9 is rotated by motor driven, and the discharging opening of rotary kiln 9 is less than the charging aperture of rotary kiln 9.
Specifically, the length 26.5m of preheating section, kiln footpath 1.6m, furnace zone 3 length 17.5m, kiln footpath 2m.Certainly, preheating section
Inside can be provided with the haydite preheating apparatus being used for into preheating haydite.
For providing the burner of heat to furnace zone.For the ease of holding the material after roasting, it is preferable that the haydite roasts
Burn device also include be used for hold roasting after haydite haydite accommodate storehouse 16.
In order to extend the service life of rotary kiln 9, it is preferable that the side wall of rotary kiln 9 is provided with protective layer, specifically, the protection
Layer is high temperature resistance protective layer.Specifically, the side wall of the rotary kiln can be stainless steel structure.
Rotated for the ease of rotary kiln 9, it is preferable that rotary kiln 9 is cylinder mode.Specifically, rotary kiln 9 by charging aperture extremely
Discharging opening direction tilts down.
The haydite calciner also includes being used for the belt conveyor that haydite is conveyed to the charging aperture of preheating section, by setting
Belt conveyor is put, is easy to uniformly convey material to preheating section, while reduce the labor intensity of staff.
When haydite calciner works, burner is used to provide heat, the heat roasting pottery of furnace zone 3 to furnace zone
Enter preheating section after grain, carry out the haydite preheating in preheating section.
Specifically, the haydite of preheating section is dried using the flue gas (380~450 DEG C of flue-gas temperature) as caused by furnace zone
It is dry, drying time 35min, material water ratio 5% after drying.
To be forged after material drying into roasting, sintering temperature is 1200 DEG C -1250 DEG C, roasting time 15min-20min,
By controlling the angle of rotary kiln, the haydite after calcining directly tumbles kiln discharge from lower discharging opening.
By foregoing description, in the haydite calciner that the application specific embodiment is provided, due to revolution cellar for storing things 9
Including preheating section and furnace zone, and both communicate the heat so after furnace zone roasting, the haydite of preheating section can be carried out pre-
Heat drying, when the haydite of preheating section enters furnace zone 3, temperature is higher, and humidity is relatively low, and then during the roasting of effective shortening haydite
Between, therefore, the roasting efficiency for the haydite calciner that the application provides improves.
Specifically, step S8 includes：
S81, the preheating section progress pre-heating drying by haydite placement rotary kiln；
S82, the furnace zone that rotary kiln is sent into after haydite is preheated, pass through pottery of the burner roasting in the furnace zone
Grain；
S83, by after roasting haydite cool down；
S84, the haydite after cooling is placed to haydite receiving storehouse.
Quality is sold for the ease of improving haydite, haydite carries out haydite screening before selling.
Wherein, it is preferable that haydite pre-heating drying time 35min, material water ratio 5% after drying；
Haydite sintering temperature is 1200 DEG C -1250 DEG C, roasting time 15min-20min.
Stacked in view of shale, infiltration environmental pollution, it is preferable that the side wall and bottom wall of material collecting device are provided with HDPE
(High Density Polyethylene, high density polyethylene (HDPE)) artificial antiseepage film, it is preferable that the thickness of the artificial antiseepage films of HDPE
For 2mm-3mm.
It is more highly preferred to, material collecting device is located above corrosion-resistant antiseepage hardened ground layer, wherein, it is specifically as follows mixed
Solidifying soil surface layer.The thickness of corrosion-resistant antiseepage hardened ground layer is decided according to the actual requirements, and the application is not specifically limited.
Coarse crushing is carried out in jaw crusher specifically, outsourcing shale is delivered to from shale stockyard with forklift, discharging particle diameter is excellent
Elect 5mm, 6mm or 7mm as.
It is further in small, broken bits that shale after coarse crushing through belt is delivered to the first double-roll crusher 3, it is preferable that discharging particle diameter is
1mm-1.5mm。
For the ease of a large amount of conveying shale, production efficiency is improved, it is preferable that shale conveying device is forklift conveying device.
Further, the first double-roll crusher 3 is closed disintegrating machine, specifically, can be with being broken the first two pairs of rollers by cover lid
Broken machine 3 is closed.It is closed by the way that the first double-roll crusher 3 is arranged to, avoid airborne dust from polluting external environment.
Further, the building porcelain granule production technology also includes the expansion chamber 20 for being arranged on the charging aperture outer end of preheating section, sinks
Drop room 20 communicates with preheating section.By setting expansion chamber 20, the more situation of the dust leakage of preheating section is avoided, it is dirty to reduce environment
Dye.
Preferably, burner includes chaff powder feed bin 17, chaff powder control device 18 and for by the chaff in chaff powder feed bin 17
Powder is blown into the air blower 19 of furnace zone, and chaff powder control device 18 is used to control chaff powder to burn, specifically, chaff powder control device 18 can
To control the input amount of chaff powder.Roasting process fuel uses biomass fuel, and dosage 800kg/h, the lime-ash after burning is as former
Expect reuse, realize and recycle, reduce environmental pollution.
Preferably, burner also includes being used to packed chaff powder being promoted to the elevator of roasting fragment position and for packed
Chaff powder is blown into the hot blast nozzle of furnace zone.
On the basis of above-mentioned each scheme, the haydite calciner also includes the haydite cooling device for being arranged on furnace zone.
In order to reduce haydite roasting cost and reduce environmental pollution, it is preferable that haydite cooling device is air-cooling device.Calcine
Haydite carries out using air-cooled cooling in kiln, and suction cold wind carries out heat exchange with haydite；Sieved after cooling, furnace zone goes out
Material mouth is provided with sieve, is screened automatically during haydite kiln discharge.
In order to improve operating efficiency, it is preferable that the haydite calciner includes multiple revolution cellars for storing things being set up in parallel, and each time
Turn to be equipped with burner on cellar for storing things 9, i.e. burner corresponds with rotary kiln 9.
Further, building porcelain granule production mechanism also includes sludge drying device, and sludge drying device includes sludge storage tank
22nd, prebake cellar for storing things 10, conveying worm, conveying worm are used to convey sludge into prebake cellar for storing things 10, and conveying worm enters
Material mouth is used to receive sludge in sludge storage tank 22, and prebake cellar for storing things 10 is connected by wind pumping channle with expansion chamber 20.
Further, the sludge drying device also includes wind pumping channle, air-introduced machine 21 and the heat exchanger tube being arranged on revolution cellar for storing things 9
Road, the outlet side of heat exchange pipeline and the inlet end of wind pumping channle are connected, and air-introduced machine 21 is arranged on wind pumping channle, the outlet side of wind pumping channle
For being connected with prebake cellar for storing things 10.Preferably, prebake cellar for storing things 10 includes cellar for storing things body body and the cellar for storing things body branch for supporting cellar for storing things body body
Frame, cellar for storing things body support frame is multiple, horizontal directions of multiple cellar for storing things body support frames along cellar for storing things body body equidistantly distributed successively.It is multiple by setting
Body support frame is stored, and then effectively improves the resistance to overturning at prebake cellar for storing things 10, extends the service life of sludge drying device.For
It is easy to dewatered sludge to discharge, it is preferable that prebake cellar for storing things 10 is obliquely installed, and discharging opening be located at lowermost end, and cellar for storing things body body is by storing body biography
Dynamic device band turn is moved.
In order to save the energy, it is preferable that heater includes wind pumping channle, air-introduced machine 21 and the heat exchange being arranged on revolution cellar for storing things 9
Pipeline, the outlet side of heat exchange pipeline and the inlet end of wind pumping channle are connected, and air-introduced machine 21 is arranged on wind pumping channle, the outlet of wind pumping channle
Hold for being connected with cellar for storing things body body.By setting heat exchange pipeline, heat smoke is delivered to prebake cellar for storing things 10, will returned by air-introduced machine 21
Turn the hot gas in cellar for storing things 9 to be delivered in prebake cellar for storing things 10, avoid being separately provided the situation of heater, it is simple to operate.
Further, in order to further improve operating efficiency, reduce environmental pollution, it is preferable that the outlet side of wind pumping channle is positioned at cellar for storing things
The cellar for storing things tail of body body, the discharge end of cellar for storing things body body is positioned at the cellar for storing things tail of cellar for storing things body body, and the feed end of cellar for storing things body body is positioned at cellar for storing things body body
Cellar for storing things head.
For the ease of learning sludge moisture content situation in time, it is preferable that the sludge drying device also includes being used to detect sludge
The humidity detector of humidity.
On the basis of above-mentioned each scheme, the sludge drying device also includes being used to convey sludge to haydite Working position
First sludge pump 23 and the second sludge pump 24 for conveying sludge to conveying worm, the charging aperture of the first sludge pump 23 and the
The charging aperture of two sludge pumps 24 is connected with sludge storage tank 22.By set the first sludge pump 23, when need to use water content compared with
Big sludge, or primary sludge can reach required water content, and sludge directly is delivered into Working position, and it is strong to reduce work
Degree.By setting the second sludge pump 24, it is easy to that wet mud is quantitatively transferred into conveying worm in time.
Further, building porcelain granule production mechanism also includes being connected to the smoke eliminator that 10 gas outlets are stored in prebake,
Smoke eliminator includes cyclone dust collectors, sack cleaner 11, scrubbing tower, desulfurizing tower 14 and is arranged on the gas outlet of desulfurizing tower 14
Aiutage 15, the both ends of sack cleaner 11 are connected with cyclone dust collectors and scrubbing tower respectively, and desulfurizing tower 14 is connected to scrubbing tower
Outlet side.
Flue dust enters desulfurizing tower 14 and carries out desulfurization, and slurries are made as desulfurization absorbent using pulverized limestone (CaO).
In order to improve degree of purification, the cleaning fluid of scrubbing tower is alkaline cleaning fluid, specifically can be using NaOH solution as absorption
Agent.It is preferred that alkali lye sprays from the top down in scrubbing tower, the waste water after spray is collected by pond below spray column, and circulation makes
With
When carrying out gas cleaning, flue dust passes sequentially through cyclone dust collectors and sack cleaner 11, and then flue dust is by washing
Wash tower further to purify the flue dust in air, then flue gas passes through aiutage by dedusting and desulfurizing tower 14, last gas
15 discharges.
By foregoing description, in the cellar for storing things kiln gas purifier that the application specific embodiment is provided, by setting
Put cyclone dust collectors and sack cleaner 11 and primary purifying is carried out to flue dust, by scrubbing tower to the further purification of flue dust, specifically
, the efficiency of dust collection 80% of cyclone dust collectors, the efficiency of dust collection 98% of sack cleaner 11, the efficiency of dust collection 60% of scrubbing tower,
After processing, smoke dust discharge concentration 20.13g/m3, pernicious gas is then adsorbed by dedusting and desulfurizing tower 14, specifically, through processing
HCl, SO afterwards2Concentration of emission is respectively 0.39mg/m3,76.11mg/m3, meets HCl, SO2It is dense that highest allows concentration of emission to discharge
10mg/m3,100mg/m3 are spent, realizes effective purification of cellar for storing things kiln gas, therefore, the cellar for storing things kiln gas purifier that the application provides has
Environmental pollution caused by reducing to effect haydite production.
Further, the cellar for storing things kiln gas purifier also includes light microwave plasma integrated apparatus, light microwave plasma
Body integrated apparatus both ends are connected with desulfurizing tower 14 and aiutage 15 respectively, because in process of production, fume afterheat drying is wet
Foul gas, Main Ingredients and Appearance H can be produced in sludge process2S、NH3, yield is respectively 0.25kg/h, 0.167kg/h, is passed through
Using light microwave plasma integrated apparatus deodorization, deodorization is up to efficiency 80%, after deodorizing process, H2S、NH3Discharge capacity is distinguished
For 0.05kg/h, 0.033kg/h.Desulfuration efficiency is up to more than 75%, HCl removal efficiency up to more than 80%.
Preferably, scrubbing tower includes once washing tower 12 and the secondary washing tower being connected with the outlet side of once washing tower 12
13, the upstream end of once washing tower 12 is connected with the outlet side of sack cleaner 11, the outlet side of secondary washing tower 13 and desulfurization
The inlet end connection of tower 14.By setting scrubbing tower and secondary washing tower 13 successively, relative to the situation for only carrying out once washing,
It is effectively improved operating efficiency and clean-up effect.
It is more highly preferred to, in order to improve clean-up effect, under once washing tower 12 from top to bottom sprays, and air inlet is located at
Side, gas outlet are above.
Secondary washing tower 13 from top to bottom sprays, and air inlet is located at lower section, and gas outlet is above.
Further, the cellar for storing things kiln gas purifier also includes air exhauster 26, and air exhauster 26 is arranged on connection scrubbing tower and taken off
On pipeline between sulphur tower 14.By setting air exhauster 26, the small efficiency of purification is effectively improved.
Further, the cellar for storing things kiln gas purifier also includes the expansion chamber 20 being connected with cyclone dust collectors air inlet.Cigarette
Dirt first passes through expansion chamber 20 before cyclone dust collectors are entered, and efficiency of dust collection 30%, removes bulky grain flue dust.
In order to improve clean-up effect, it is preferable that sack cleaner 11 is multiple, and multiple sack cleaners 11 are arranged in series.
On the basis of above-mentioned each scheme, it is preferable that aiutage 15 is the conical structure of flaring from top to bottom.Due to exhaust
Cylinder 15 is the conical structure of flaring from top to bottom, further improves the dust purification effect of haydite.
Preferably, aiutage 15 is vertically arranged, and the gas outlet of aiutage 15 is located at the top of aiutage 15.Due to aiutage
15 vertical placements, when gas passes through aiutage 15, dust can fall in the presence of self gravitation, further reduce shale and add
The situation of work process contamination environment.
In order to ensure clean-up effect, reduce to ambient contamination, it is preferable that the height of aiutage 15 is 14m-25m.Specifically
, the height of aiutage 15 can be 15m or 25m etc..
Building porcelain granule production mechanism waste water purification device include cooling tower 30, clear water reserviors 29 and both ends respectively with clear water reserviors
29 and the sedimentation basin 27 that connects of cooling tower 30, the discharge outlet of the water inlet of cooling tower 30 and scrubbing tower connects, and clear water reserviors 29 go out
The water inlet of the mouth of a river and scrubbing tower connects.Specifically, cooling tower 30 can be air-cooled or water-cooling structure.Wherein cooling tower 30, clear
Pond 29 and sedimentation basin 27 form wastewater circulation device.
During building porcelain granule production mechanism work, the waste water of scrubbing tower enters sedimentation basin 27 by cooling tower 30, after precipitation
Clear water enters water purifying tank, is then again introduced into scrubbing tower spray and uses.
By foregoing description, in the waste water purification device that the application specific embodiment is provided, pass through cooling tower
30 cooling waste waters, it is easy to after purification of waste water again to the air cooling-down of scrubbing tower, by sedimentation basin 27 by the particulate matter in waste water
Precipitation, clear water after precipitation clear water reserviors 29 place, it is necessary to when be delivered to scrubbing tower again, realize that scrubber effluent circulation makes
With therefore, the waste water purification device that the application provides reduces the water resource during the gas cleaning of building porcelain granule production mechanism
Consumption.
Preferably, the waste water purification device also includes the first water pump 25 being connected on the water side pipeline of clear water reserviors 29.
By setting the first water pump 25, and then to be pressurized into the water of scrubbing tower, it is easy to spray.
It is more highly preferred to, the waste water purification device also includes the be connected between clear water reserviors 29 and sedimentation basin 27 on pipeline
Two water pumps 28.By setting the second water pump 28, and then the clear water inside sedimentation basin 27 is evacuated to clear water reserviors 29 in time.
In order to improve clean-up effect, when scrubbing tower includes once washing tower 12 and be connected with once washing tower outlet side two
During secondary scrubbing tower 13, the discharge outlet of once washing tower 12 and the discharge outlet of secondary washing tower 13 are connected with cooling tower 30, once
The water inlet of the scrubbing tower of scrubbing tower 12 and the water inlet of secondary washing tower 13 are connected with clear water reserviors 29, further reduce building
Water resources consumption during the gas cleaning of haydite production mechanism.
Further, the waste water purification device also includes being used for the impurity remove device for clearing up the sediment of sedimentation basin 27.Specifically
, the impurity remove device can be manually to be drawn clearly by cylinder.
In order to reduce impurity cleaning difficulty, it is preferable that impurity remove device includes impurity efferent duct and is connected to impurity output
Impurity draw-out device on pipe.Specifically, the impurity remove device can be suction-type sewer scavenger.
On the basis of above-mentioned each scheme, it is preferable that the waste water purification device is also included for the impurity of cleaning and desulfurization tower 14
Desulfurization water purification installation.Specifically, can be by for added with milk of lime device.
Preferably, wadded a quilt with cotton in the milk of lime that desulfurization water purification installation includes being sequentially connected with case, organic sulfur reaction chamber, flocculation aid
Case, depositing reservoir and filtered water tank are coagulated, FeClSO is accommodated in organic sulfur reaction chamber4.Specifically, add milk of lime, water with case in
In fluorine ion become undissolved calcium fluoride precipitate, make in waste water most of heavy metal ion in the form of slightly soluble hydroxide
Separate out.Subsequent waste water is flowed into reaction chamber, and FeClSO is added in reaction chamber4Make the heavy metal shape that is dispersed in water with organic sulfur
Into fine floccule body；Fine floccule body forms slightly larger floccule body under slow and smooth immixture in flocculation tanks.
Flocculation tanks outlet adds flocculation aid, and flocculation aid forms bigger floccule body with floccule body in downflow processes, afterwards in depositing reservoir
Middle floccule body and water separation, floccule body form thickened sludge under gravity concentration effect, and depositing reservoir water outlet (clear water) flows into clear water
In case plus acid for adjusting pH value is to 6~9, and the waste water after processing is used for plant area's watering and lowering dust and scrubbing tower moisturizing.
Recycled to realize, it is preferable that be connected in milk of lime with case water inlet with the delivery port of desulfurizing tower 14, filtered water tank
Delivery port be connected with the water inlet of desulfurizing tower 14.
Denoising device includes being used for the sound-proof wall body for accommodating building porcelain granule production mechanism, and the pedestal of shale crusher 2 is provided with page
Rock shock absorber, the pedestal of the second double-roll crusher 5 are provided with the first broken shock absorber.Because the blower fan of building porcelain granule production mechanism is used for
Flue gas is pumped through in the course of work, in order to reduce noise, the air inlet of blower fan and gas outlet are equipped with muffler, the base of blower fan
Provided with blower fan shock absorber.Further, it is possible to by wrapping up wind pipeline, noise insulation route of transmission.
By foregoing description, in the denoising device that the application provides, by setting sound-proof wall body by building porcelain granule
Mechanism overall isolation is produced, by setting shale shock absorber, the first broken shock absorber and blower fan shock absorber to reduce noise of instrument, is led to
When crossing setting muffler reduction blower fan to work, the dynamic caused noise of gas stream, specific noise reduction is up to 20dB, therefore, sheet
The denoising device that application provides is effectively improved the working environment of staff.
Further, the denoising device also includes being located at the blimp on the outside of blower fan.By setting blimp, further subtract
Noise caused by small blower fan work.
Preferably, shale shock absorber includes the first shale shock absorber for being arranged on jaw crusher pedestal and is arranged on the
The second shale shock absorber on a pair of roll crushers 3.By setting the first shale shock absorber and the second shale shock absorber so that page
2 each instrument of rock disintegrating machine has corresponding damper, further increases vibration damping, noise reduction.
In order to further improve noise reduction, it is preferable that sound-proof wall body is provided with door body, and the frame of door body is provided with sealing strip.
Specifically, sealing strip can be bonded in door body.
Further, the pedestal of the first biaxial rneader 4 is provided with the first stirring shock absorber.
Further, in order to further improve vibration damping, noise reduction, it is preferable that the bottom of batcher 6 is provided with batcher vibration damping
Device.The pedestal of second biaxial rneader 7 is provided with the second stirring shock absorber.The pedestal of comminutor 8, which is provided with, is granulated shock absorber.Batcher base
Seat is provided with pedestal damper.
In order to further improve noise reduction, it is preferable that each instrument machine internal material selection can alleviate aggregate and rigidly hit
Caused noise is hit, while utilizes Sound insulation for building.
Strengthen maintenance of equipment and operational maintenance, it is ensured that each connector, fastener there must not be loose phenomenon, be allowed to normally transport
Turn.
Plant area and the greening of surrounding area, sound insulation and noise reducing.
Speed limit, horn-blowing control mark can also be set, realize that speed limit travels to haulage vehicle.
After noise caused by haydite production process is dealt carefully with more than, then after range attenuation, to the sound ring of surrounding
Border influences smaller.Due to around the production line of meeting an urgent need in the range of 200m without sensitive spot, closest sensitive spot is northeast side
The Xin Yichang towns of 310m scopes, therefore noise caused by emergent production line is small on sensitive spot influence.
Further, the haydite cellar for storing things tail blanking dust treatment plant of rotary kiln discharging opening, specially cloth bag are arranged in addition to
Deduster, the discharging opening of rotary kiln and the air inlet of sack cleaner are connected by air delivering pipeline.
Sack cleaner is entered by air delivering pipeline by discharging opening in dust caused by progress haydite roasting and discharging, passed through
Discharged after crossing purification by aiutage 15.
By foregoing description, tail blanking dust treatment plant is stored in the haydite that the application specific embodiment is provided
In, sack cleaner is set by the discharging opening in rotary kiln, effectively by dusty gas caused by haydite roasting and discharging
Purification, and then mitigate environmental pollution caused by haydite roasting.
Preferably, air delivering pipeline is "Ji" type pipeline, and the top of escape pipe is higher than rotary kiln and sack cleaner.Due to
Air delivering pipeline is "Ji" type pipeline, further realizes the dust settling in air, improves operating efficiency, extends sack cleaner
Working time.
Enter sack cleaner in order to avoid being calcined the haydite of larger particles, it is preferable that the discharging opening of rotary kiln is provided with haydite
Screen pack, specifically, ceramic filtration net can be welded or is connected on rotary kiln.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of building porcelain granule production technology, it is characterised in that including step：
S1, shale carried out by primary fragmentation by shale crusher (2)；
S2, the first double-roll crusher (3) progress second-time breakage will be delivered to by belt conveyor by the shale of primary fragmentation；
S3, the shale of second-time breakage is delivered to the first biaxial rneader (4), while sludge is conveyed into the first biaxial rneader
(4) mixed；
S4, mixed material by the second double-roll crusher (5) roll that slice is made；
S5, that slice is delivered into aging bunker is static；
S6, it will be broken up by the slice being aged by the second biaxial rneader (7)；
S7, by the slice broken up pass through comminutor (8) carry out haydite granulation；
S8, by calciner haydite is calcined.
2. building porcelain granule production technology according to claim 1, it is characterised in that the haydite calciner includes：
Revolution cellar for storing things (9), the revolution cellar for storing things (9) include preheating section and the furnace zone connected with the preheating section, the preheating section
End is provided with charging aperture, and the end of the furnace zone is provided with discharging opening, and the charging aperture and the discharging opening are located at the revolution
Store the opposite end of (9)；
For providing the burner of heat to the furnace zone.
3. building porcelain granule production technology according to claim 2, it is characterised in that the step S8 includes：
S81, the preheating section progress pre-heating drying by haydite placement rotary kiln (9)；
S82, the furnace zone that rotary kiln (9) is sent into after haydite is preheated, pass through haydite of the burner roasting in the furnace zone；
S83, by after roasting haydite cool down；
S84, by after cooling haydite place haydite accommodate storehouse (16).
4. building porcelain granule production technology according to claim 2, it is characterised in that the step S4 also includes：It will pass through
Slice after second double-roll crusher (5) is rolled is mixed by the 3rd two pairs of rollers mixer with sludge, the sludge it is aqueous
Rate is 80%；
Mixer is delivered the mixture to by conveying worm；
Mixture is extruded by pug mill.
5. building porcelain granule production technology according to claim 4, it is characterised in that also including sludge drying device and setting
Expansion chamber (20) in the charging aperture outer end of the preheating section, the expansion chamber (20) communicate with the preheating section, the sludge
Drying unit includes sludge storage tank (22), prebake cellar for storing things (10), conveying worm, and the conveying worm is used for the preliminary drying
Conveying sludge in dry cellar for storing things (10), the charging aperture of the conveying worm is used to receive the interior sludge of the sludge storage tank (22), described
Prebake cellar for storing things (10) is connected by wind pumping channle with the expansion chamber (20).
6. building porcelain granule production technology according to claim 5, it is characterised in that also include being connected to the prebake cellar for storing things
(10) smoke eliminator of gas outlet, the smoke eliminator include cyclone dust collectors, sack cleaner (11), washing
Tower, desulfurizing tower (14) and the aiutage (15) for being arranged on the desulfurizing tower (14) gas outlet, sack cleaner (11) both ends
It is connected respectively with the cyclone dust collectors and the scrubbing tower, the desulfurizing tower (14) is connected to the outlet side of the scrubbing tower.
7. building porcelain granule production technology according to claim 6, it is characterised in that described also including waste water purification device
Waste water purification device include cooling tower (30), clear water reserviors (29) and both ends respectively with the clear water reserviors (29) and the cooling tower
(30) sedimentation basin (27) of connection, the water inlet of the cooling tower (30) are connected with the discharge outlet of the scrubbing tower, the clear water
The delivery port in pond (29) is connected with the water inlet of the scrubbing tower.
8. building porcelain granule production technology according to claim 3, it is characterised in that the rotary kiln (9) passes through motor belt motor
Turn is moved, and the discharging opening of the rotary kiln (9) is less than the charging aperture of the rotary kiln (9).
9. building porcelain granule production technology according to claim 2, it is characterised in that haydite pre-heating drying time 35min, dry
Material water ratio 5% after dry；
Haydite sintering temperature is 1200 DEG C -1250 DEG C, roasting time 15min-20min.
10. the building porcelain granule production technology according to any one of claim 1-9, it is characterised in that in the step S3,
The weight of shale and sludge ratio is 9:1.
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| CN201710742061.9A CN107399956A (en) | 2017-08-25 | 2017-08-25 | Building porcelain granule production technology |
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| CN108355815A (en) * | 2018-03-19 | 2018-08-03 | 山东京博装备制造安装有限公司 | A kind of solid waste pretreatment unit and technique |
| CN109650932A (en) * | 2019-01-28 | 2019-04-19 | 重庆市都梁实业有限公司 | Recycling sludge intelligently disposes tower and disposing technique |
| CN112142445A (en) * | 2020-09-27 | 2020-12-29 | 重庆泽渝建材有限公司 | Method for preparing ceramsite by mixing municipal domestic sludge and shale |
| CN113524435A (en) * | 2021-07-26 | 2021-10-22 | 新疆硅质耐火材料有限公司 | Low-water-content clay mulling method |
| CN113956065A (en) * | 2021-09-30 | 2022-01-21 | 江苏省环境工程技术有限公司 | Ceramsite firing system and method based on sludge low temperature vacuum drying device |
| CN115894065A (en) * | 2022-12-21 | 2023-04-04 | 湖南华信陶粒科技有限公司 | Shale ceramsite production line and production method thereof |
| CN116921408A (en) * | 2023-06-30 | 2023-10-24 | 江苏澳墨环境科技有限公司 | Method for cooperatively disposing composite polluted soil |
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| CN115894065A (en) * | 2022-12-21 | 2023-04-04 | 湖南华信陶粒科技有限公司 | Shale ceramsite production line and production method thereof |
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| CN116921408B (en) * | 2023-06-30 | 2024-01-09 | 江苏澳墨环境科技有限公司 | Method for cooperatively disposing composite polluted soil |
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Application publication date: 20171128 |