CN105750204B - Ultra-fine ash process units and production method - Google Patents
Ultra-fine ash process units and production method Download PDFInfo
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- CN105750204B CN105750204B CN201610212659.2A CN201610212659A CN105750204B CN 105750204 B CN105750204 B CN 105750204B CN 201610212659 A CN201610212659 A CN 201610212659A CN 105750204 B CN105750204 B CN 105750204B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- Combined Means For Separation Of Solids (AREA)
Abstract
This patent discloses a kind of ultra-fine grey process units and production methods,Include the sorting dust removing units being sequentially communicated by conveyance conduit,Activation unit and ultra-fine grey storage unit,The import of sorting dust removing units is connected to the return of coal ash separation system,And sorting dust removing units are located between cyclone collector and sorting main air blower,Conveyance conduit between activation unit and ultra-fine grey storage unit is equipped with the blowing unit in the source that is used to provide power,It sorts dust removing units and uses bag filter,Activation unit is activation storehouse,Bag filter is connected with blanking machine and three-way switch valve in turn,One nozzle of three-way switch valve is connected to fine ash library,Another nozzle of three-way switch valve connects the activation storehouse,The production method of flyash production system, which is included in original ash bank, is packed into 8 steps such as former ash,The purpose of the present invention is meet coal ash sorting scene needs,Extend the service life of separation system,It again can be without physical crushing,Ensure the comprehensive performance that flyash uses.
Description
Technical field
The present invention relates to flyash production technical fields, and in particular to the ultra-fine grey process units of one kind and production method.
Background technology
China is the first big country of world's coal fired power generation, is sure to occupy the first in the world.Continuous 5 years power industries flyash annual output
It has been more than 500,000,000 tons.Estimated 6.2 hundred million tons of production ash in 2015.And year utilization about 70%, there are about 200,000,000 tons of flyash every year not
, if arbitrarily stacking, it can pollute the environment using consumption, can also expend a large amount of land resource, make the phenomenon of per capita cultivated land's scarcity
Seem and even more makes the matter worse.Therefore, how by total utilization of PCA, turn waste into wealth, turn bane into boon, be to solve the life of China's electric power
Produce a contradictory important means between environmental pollution and resource shortage.That how to widen flyash utilizes channel, especially exists
The high-end applications of the every field such as building, agricultural, chemical industry and environmental protection just seem and are even more important.
The fineness and pattern of conventionally known flyash are to weigh the active important indicator of its physics and chemistry, fly ash grain
Thinner, physics and chemistry activity is higher, and compactness is bigger, while normal consistency needs water lower, the spherical glass in flyash
Body can play the ball bearing effect of flyash spherical glass body, make full use of its diminishing effect, micro- long-pending effect and close
Actual effect is answered, and the use comprehensive performance of material entirety can be improved.
2000~2213m is averagely reached for specific surface area2/ kg, flyash of the volume average particle size less than 10.0 μm exist
Our industries circle are known as superfined flyash, and existing ultra-fine grey process units is completed in two systems, and a set of is conventional
Coal ash separation system, it is another set of be levigate system, two systems need to be used cooperatively can just process superfined flyash, it is existing
Coal ash separation system (as shown in Figure 1), Major Systems are configured to：Including point being connected in turn on circulation loop pipeline
Main air blower, original ash bank, cinder library and fine ash library are selected, is connected with feed hand-operated valve, feed pneumatic operated valve and feed on original ash bank in turn
Machine, batcher are connected with the former ash receiver on circulation loop pipeline, circulation loop pipeline be equipped with respectively with cinder library,
The sorting machine of fine ash library connection, and bulk machine is equipped on cinder library and fine ash library, circulation loop pipeline is equipped with and fine ash library
The cyclone collector of connection.At work, the original state flyash of original ash bank passes through hand-operated valve, pneumatic operated valve and feed to above structure
Machine enters in separation system receiver, and former ash enters sorting machine after being mixed with sorting main air blower operation wind in receiver.
Thickness separation is realized in sorting machine, the cinder after separation enters cinder library by flapper, then is carried out by bulk machine circuit
Entrucking is sold；And fine ash can be collected by efficient cyclone collector, the fine ash of collection enters fine ash by flapper
Library.But there are still problems with when in use for above-mentioned coal ash separation system：1, coal ash separation system at work, receive by whirlwind
Storage can only collect most fine ash always during being collected to fine ash, and the remaining fine ash part that cannot be collected
It is then inhaled into main air blower to be recycled again, Just because of this, the dustiness for entering main air blower in separation system will certainly be increased, added
The abrasion of wind turbine and sorting main pipeline in big separation system, increases cost, even if sorting main air blower is carried out wear design
(reinforcement structure), but can not tackle the problem at its root, cost input has been aggravated all the better；2, it is led for different applications
Domain, especially in some high-end applications, for example (,) high performance concrete, high-rise building, rubber materials, building heat preservation technology
It is upper Deng application, it needs flyash that there is superior physical property, needs the grain fineness of flyash being worked into thinner particle
Degree, that is, it is said before to process superfined flyash, and existing coal ash separation system is demonstrate,proved in operating practice
It is bright, it is that cannot directly process to obtain us (to need two systems cooperation processing, this point is in front using the grain fineness in needing
Also described), by creating a set of levigate equipment (as used the levigate processing of grinding machine) on separation system, but it is well known using mill
Not only high energy consumption, noise are big for machine, and in grinding processes, can be destroyed to the spherical glass body in flyash, lead to material
The diminishing effect of material, micro- long-pending effect and compacting effect are had a greatly reduced quality, and have also aggravated the cost input of enterprise's entirety in addition.So
In the production process of flyash, ultra-fine ash how is effectively produced, and a kind of production equipment being suitble to ultra-fine ash is provided with this
It is crucial with corresponding production method.
Invention content
It can meet coal ash sorting scene needs one of the objects of the present invention is to provide a kind of, extend separation system and make
With the service life, but can without physical crushing, ensure ultra-fine grey process units of the flyash using comprehensive performance.
In order to achieve the above objectives, base case of the invention is as follows：It is ultra-fine ash process units, including by conveyance conduit according to
Sorting dust removing units, activation unit and the ultra-fine grey storage unit of secondary connection, the import of the sorting dust removing units and flyash
The return of separation system is connected to, and is sorted dust removing units and be located between cyclone collector and sorting main air blower, the activation
Conveyance conduit between unit and ultra-fine grey storage unit is equipped with the blowing unit in the source that is used to provide power.
Ultra-fine ash in said program refers to superfined flyash.
The principle of this base case is：On the basis of original coal ash separation system, be additionally arranged it is a set of with sorting remove
The ultra-fine ash of dirt unit is collected and activation, conveying, storage device, and sorting main air blower work forms wind on circulation loop pipeline
Stream, the original state flyash of original ash bank are entered by being fed hand-operated valve, feed pneumatic operated valve and batcher in separation system, former ash with
It sorts and enters sorting machine under the distinguished and admirable mixing that main air blower generates.Thickness separation, the cinder meeting after separation are realized in sorting machine
Entrucking sale is carried out into cinder library, then by bulk machine circuit；And fine ash can be received by efficient cyclone collector
Collection, fine ash library can be entered by collecting the fine ash of part, and cannot will not be directly sucked in master by the ultra-fine grain that cyclone collector captures
Wind turbine recycles, and the sorting dust removing units between the cyclone collector that can be recycled on the pipeline of road and sorting main air blower are received
Collection, blowing unit work and provide power source on this system so that the flyash ultra-fine grain of collection can enter activation unit
In, the effect of activation unit is physically or chemically activated to the flyash in activation storehouse, to the fineness of flyash with
Pattern is further disperseed, and the superfined flyash after overactivation is entered using conveyance conduit in ultra-fine grey storage unit
It is stored.
The advantages of this base case, is：Make full use of original separation system, carry out sorting dedusting transformation after can be real
The production of existing ultra-fine ash after separation system adds sorting dust removing units, improves and enters sorting main air blower in original separation system
Dustiness, greatly reduce sorting main air blower and circulation loop pipeline (sorting main pipeline) abrasion, reduce cost, prolong
The service life for having grown separation system meets coal ash sorting scene needs.In actual operation, even if selection is without wear-resisting
The sorting main air blower of processing can also be run 5 years or more；It facts have proved the sorting dust removing units and collect in ultra-fine grey library
Flyash belong to superfined flyash scope, check that its specific surface area averagely reaches 2090m by laser particle size analyzer2/ kg,
Volume average particle size is down to 6.0 μm, in high-end applications, for example (,) high performance concrete, high-rise building, rubber materials, building
Heat preservation technology is first-class, can also meet its requirement used, and there is existing national standard level-one, second class powered coal ash not to replace
Performance.Since sorting main air blower need not carry out wear design, newly-built separation system can also substantially reduce levigate equipment and throw
Money need not carry out the construction of levigate system for traditional superfined flyash process units, with construction land is small, builds
If the feature that the period is short, investment cost is low, operational reliability is high, the levigate processing of grinding machine since high energy consumption need not be passed through, institute
, low noise low with operation energy consumption, and do not use grinding machine so that the ultra-fine ash that the system production goes out, not in flyash
Spherical glass body is destroyed, and can play the ball bearing effect of superfined flyash spherical glass body, it is made full use of to subtract
Water effect, micro- long-pending effect and compacting effect without physical crushing, ensure the comprehensive performance that flyash uses.
Preferred embodiment one, as a kind of improvement of basic scheme, the sorting dust removing units use bag filter, activation
Unit is activation storehouse, and bag filter can be activated to cannot be collected by the ultra-fine grain that cyclone collector captures in pipeline
Storehouse can physically or chemically activate flyash, to further be disperseed to the fineness and pattern of flyash, Er Qiebu
Routine is chosen in bag dust collector and activation storehouse, has stronger economic benefit.
Preferred embodiment two, preferably one a kind of improvement, the ultra-fine grey storage unit are ultra-fine grey library, blowing
Unit is roots blower, ultra-fine ash library be used to store it is activated after superfined flyash, roots blower can above carry in conveyance conduit
For aeolian currents to power source.
Preferred embodiment three, preferably two a kind of improvement are equipped with pressure transmitter on the bag filter,
Pressure transmitter PD01 can monitor the operating condition of bag filter, ensure the normal work of bag filter, it is ensured that effectively raw
Production.
Preferred embodiment four, a kind of preferably three improvement, the bag filter be connected in turn blanking machine and
One nozzle of three-way switch valve, three-way switch valve is connected to fine ash library, and another nozzle of three-way switch valve connects the activation storehouse,
Three-way switch valve can switch over, and under normal circumstances, the flyash ultra-fine grain that bag filter is collected can enter activation storehouse
In, in ultra-fine ash collection and activation system operation troubles, three-way switch valve can allow ultra-fine ash switch into fine ash library, increase
Bonus point selects the continuity of system operation.
Preferred embodiment five, a kind of preferably four improvement, the activation storehouse, which is connected in turn, is installed on delivery pipe
Ultra-fine feed valve on road and ultra-fine batcher, roots blower are arranged in one end of conveyance conduit, and ultra-fine ash lab setting is defeated
The other end for sending pipeline, the superfined flyash after overactivation enter delivery pipe by ultra-fine feed valve and ultra-fine batcher again
Road generates conveying wind by the roots blower of conveyance conduit one end and be delivered in the ultra-fine grey library of the other end.
Preferred embodiment six, preferably two a kind of improvement, the ultra-fine grey library are equipped with high and low monitoring material position
Meter can monitor the height of material position in ultra-fine grey library in real time, it is ensured that safety and normal production.
Preferred embodiment seven, preferably two a kind of improvement, the ultra-fine grey library are equipped with vacuum pressure relief valve
And bulk machine, vacuum pressure relief valve can adjust the pressure size in ultra-fine grey library, it is ensured that grey library safety, function in bulk will be ultra-fine
Material in grey library carries out discharging, carries out entrucking by bulk machine after qualification to be assayed and sells.
The second object of the present invention is to provide a kind of flyash production system including the ultra-fine grey process units,
Further include the sorting main air blower being connected in turn on circulation loop pipeline, original ash bank, cinder library and fine ash library, on the original ash bank
It is connected with feed hand-operated valve, feed pneumatic operated valve and batcher, batcher in turn and is connected with the former ash on circulation loop pipeline
Receiver, the circulation loop pipeline are equipped with the sorting machine connected respectively with cinder library, fine ash library, and cinder library and fine ash library
On be equipped with bulk machine, the circulation loop pipeline is equipped with the cyclone collector connected with fine ash library.
The operation principle of said program is：Sort main air blower work, formed on circulation loop pipeline it is distinguished and admirable, original ash bank
Original state flyash by be fed hand-operated valve, feed pneumatic operated valve and batcher enter in separation system, former ash with sorting main air blower
Enter sorting machine under the distinguished and admirable mixing generated.Thickness separation is realized in sorting machine, the cinder after separation can enter cinder library,
Entrucking sale is carried out by bulk machine circuit again；And fine ash can be collected by efficient cyclone collector, collect part
Fine ash can enter fine ash library, and cannot by cyclone collector capture ultra-fine grain will not be directly sucked in main air blower cycle, and
Bag filter between the cyclone collector that can be recycled on the pipeline of road and sorting main air blower is collected.
The third object of the present invention is to provide a kind of production method using the flyash production system, including with
Lower step：
Step 1：It is packed into former ash in original ash bank, starts sorting main air blower work；
Step 2：Feed hand-operated valve and feed pneumatic operated valve are opened, batcher work is started, former ash passes through hand-operated valve, pneumatic operated valve
And batcher enters in the former ash receiver being located on circulation loop pipeline；
Step 3：Former ash enters sorting machine, sorting machine after being mixed with the operation wind of sorting main air blower in former ash receiver
Work, carries out the thickness separation of material, and the cinder after separation enters cinder library, passes through bulk machine entrucking；Fine ash is received by whirlwind
Storage is collected, and the fine ash after collection enters fine ash library, passes through bulk machine entrucking；Cyclone collector is not collected into super yet
Fine grained is collected by bag filter；
Step 4：The flow direction of ultra-fine grain is controlled by controlling three-way switch valve, activation storehouse is connected on three-way switch valve
Nozzle is opened, when the nozzle in connection fine ash library is closed, ultra-fine grain in bag filter through blanking machine and three-way switch valve into
Enter into activation storehouse and activates；The nozzle in connection activation storehouse is closed on three-way switch valve, when the nozzle in connection fine ash library is opened, cloth bag
Ultra-fine grain in deduster enters in fine ash library；
Step 5：Material after overactivation enters conveyance conduit by ultra-fine feed valve and ultra-fine batcher, by conveying
The conveying fan of pipeline one end generates conveying wind and be delivered in the ultra-fine grey library of the other end；
Step 6：Material in ultra-fine grey library is chemically examined.
The principle and advantage of this production method is：In the production method, the fine ash after thickness separation can have respectively entered
In fine ash library and bag filter, and the fine ash in bag filter is entered through blanking machine and three-way switch valve in activation storehouse
Activation, it is activated after material in conveyance conduit, be delivered in ultra-fine grey library by conveying wind；Add bag filter
After separation system, improve in original separation system enter sorting main air blower dustiness, greatly reduce sorting main air blower and
The abrasion of circulation loop pipeline (sorting main pipeline), reduces cost, extends the service life of separation system, meets fine coal
Ash sorting scene needs；Since sorting main air blower need not carry out wear design, newly-built separation system can also substantially reduce mill
The investment of thin equipment, does not use grinding machine so that the ultra-fine ash that this method is produced, not to the spherical glass body in flyash into
Row destroys, and can play the ball bearing effect of superfined flyash spherical glass body, makes full use of its diminishing effect, micro- product effect
It answers and compacting effect, without physical crushing, ensures the comprehensive performance that flyash uses.
Description of the drawings
Fig. 1 is the configuration schematic diagram of existing coal ash separation system.
Fig. 2 is the schematic diagram of ultra-fine grey process units in the embodiment of the present invention 1.
Fig. 3 is the configuration schematic diagram of the embodiment of the present invention 2.
Fig. 4 is the levigate ultra-fine grey microscopic appearance of tradition.
Fig. 5 is superfined flyash microscopic appearance in the embodiment of the present invention 2.
Fig. 6 is the flyash volume and size distribution relational graph through laser particle size analyzer detection in the embodiment of the present invention 2.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Circulation loop pipeline 1, sorting main air blower 2, original ash bank 3, cinder library 4,
It is fine ash library 5, emptying valve 6, feed hand-operated valve 7, feed pneumatic operated valve 8, batcher 9, former ash receiver 10, sorting machine 11, in bulk
Machine 12, cyclone collector 13, big bag filter 14, pressure transmitter 15, blanking machine 16, three-way switch valve 17, activation storehouse 18,
Ultra-fine feed hand-operated valve 19, ultra-fine feed pneumatic operated valve 20, ultra-fine batcher 21, conveyance conduit 22, roots blower 23, ultra-fine grey library
24, high and low monitoring material position meter 25, vacuum pressure relief valve 26, bulk machine 27.
Embodiment 1
The present embodiment is mainly the detailed description that structure is carried out to ultra-fine grey process units, and content is as follows：
As shown in Figure 2：Ultra-fine ash process units, includes the big bag filter 14 being sequentially communicated by conveyance conduit, lives
Change storehouse 18 and ultra-fine grey library 24, the import of big bag filter 14 is connected to the return of coal ash separation system, and big cloth
Bag dust collector 14 is located between cyclone collector 13 and sorting main air blower, activates the conveyance conduit between storehouse 18 and ultra-fine grey library 24
It is equipped with the roots blower 23 in the source that is used to provide power, pressure transmitter 15 is installed on big bag filter 14, big cloth bag removes
Dirt device 14 is connected with blanking machine 16 and three-way switch valve 17 in turn, and a nozzle of three-way switch valve 17 is connected to fine ash library 5, threeway
Another nozzle connection activation storehouse 18 of switching valve 17, activation storehouse 18 is connected with the ultra-fine feed being installed on conveyance conduit 22 in turn
Valve and ultra-fine batcher 21, roots blower 23 are arranged in one end of conveyance conduit 22, and ultra-fine ash library 24 is arranged in conveyance conduit
22 other end, ultra-fine ash library 24 are equipped with high and low monitoring material position meter 25, vacuum pressure relief valve 26 and bulk machine 27.
The present embodiment selects big bag filter 14, and the filter area of big bag filter 14 is 620 square metres, handles wind
Amount is more than 50000 cubic metres per hour, and 14 one side of big bag filter can meet super in the system of ultra-fine grey process units
The raw material of fine ash supplies, the fine ash or powder that on the other hand can be fully integrated in flyash production system in circulation loop pipeline 1
Even if dirt can also be reduced or avoided fine ash or dust enters main sorting wind turbine 2, to avoid leading when roots blower does not work
The abrasion of wind turbine 2 and pipeline is sorted, roots blower 23 and air compressor machine etc., concrete operating principle may be used in ultra-fine ash process units
With effect with embodiment 2.
Embodiment 2
The present embodiment has by applying the ultra-fine grey process units in embodiment 1 in a kind of flyash production system
Hold in vivo as follows：
Embodiment is substantially as shown in Fig. 3：Flyash production system, including coal ash separation system and be connected with this
Ultra-fine ash process units, coal ash separation system include the sorting main air blower 2 for passing sequentially through the connection of circulation loop pipeline 1, former ash
Library 3, cinder library 4 and fine ash library 5 are provided with emptying valve 6, original ash bank on the circulation loop pipeline 1 that sorting main air blower 2 exports
Feed hand-operated valve 7, feed pneumatic operated valve 8 and batcher 9, batcher 9 is connected on 3 in turn to be connected with positioned at circulation loop pipeline 1
On former ash receiver 10, circulation loop pipeline 1 is equipped with the sorting machine 11 connected respectively with cinder library 4, fine ash library 5, and thick
Bulk machine 12, the cyclone collector that circulation loop pipeline 1 is equipped with and fine ash library 5 connects are equipped on grey library 4 and fine ash library 5
13, ultra-fine ash process units includes big bag filter 14, and big bag filter 14 is located at the receipts of the whirlwind on circulation loop pipeline 1
Between storage 13 and sorting main air blower 2, pressure transmitter 15 is installed, big bag filter 14 is successively on big bag filter 14
It is connected with blanking machine 16 and three-way switch valve 17, a nozzle of three-way switch valve 17 is connected to fine ash library 5, three-way switch valve 17
Another nozzle is connected with activation storehouse 18, and activation storehouse 18 is connected with ultra-fine feed hand-operated valve 19, ultra-fine 20 and of feed pneumatic operated valve in turn
Ultra-fine batcher 21, ultra-fine batcher 21 are connected with conveyance conduit 22, and one end of conveyance conduit 22 is equipped with roots blower 23, conveying
The other end of pipeline 22 is equipped with ultra-fine grey library 24, activates and is equipped with high and low monitoring material position meter 25 on storehouse 18 and ultra-fine grey library 24, surpasses
Fine ash library 24 is equipped with vacuum pressure relief valve 26 and bulk machine 27.
The ultra-fine feed valve that the present embodiment is directed to includes mainly ultra-fine feed hand-operated valve 19 and ultra-fine feed pneumatic operated valve 20
To illustrate.
When specific works, on the basis of original coal ash separation system, it is additionally arranged point of a set of big bag filter 14
Select system (system flow after cyclone collector 13, into sorting main air blower 2 before) and it is a set of it is ultra-fine ash collect and activation, it is defeated
It send, store, shipping unit, sorting main air blower 2 works, and forms distinguished and admirable, the original state fine coal of original ash bank 3 on circulation loop pipeline 1
Ash is entered by being fed hand-operated valve 7, feed pneumatic operated valve 8 and batcher 9 in separation system, and former ash is generated with sorting main air blower 2
Distinguished and admirable mixing under enter sorting machine 11.Realize thickness separation in sorting machine 11, cinder after separation by flapper into
Enter cinder library 4, then entrucking sale is carried out by 12 circuit of bulk machine；And fine ash can be carried out by efficient cyclone collector 13
It collects, the part fine ash of collection can enter fine ash library 5, and the fine ash that part cannot capture will not be directly sucked in main air blower cycle,
And the big bag filter 14 between the cyclone collector 13 that can be recycled on road pipeline 1 and sorting main air blower 2 is collected,
Since big bag filter 14 is connected with blanking machine 16 and three-way switch valve 17, the nozzle and fine ash of three-way switch valve 17 in turn
Library 5 is connected to, and another nozzle of three-way switch valve 17 is connected with activation storehouse 18, and three-way switch valve 17 can switch over, positive reason
Under condition, the fine ash that big bag filter 14 is collected can enter in activation storehouse 18, and the effect in activation storehouse 18 is in activation storehouse 18
Flyash is physically or chemically activated, and to further be disperseed to the fineness and pattern of flyash, is collected in ultra-fine ash
And when activation system operation troubles, three-way switch valve 17 can allow ultra-fine ash switch into fine ash library 5, increase separation system fortune
Capable continuity；Superfined flyash after overactivation by ultra-fine feed hand-operated valve 19, ultra-fine feed pneumatic operated valve 20 and surpasses again
Thin batcher 21 enters the receiver being located on conveyance conduit 22, and Roots's wind is generated by the roots blower 23 of 22 one end of conveyance conduit
Be delivered in the ultra-fine grey library 24 of the other end.
Pressure transmitter PD01 in the present embodiment can monitor the operating condition of big cloth bag, it is ensured that safety in production；Original ash bank 3
The former ash of entrance can mix air so that form positive pressure in circulation loop pipeline 1, assorting room is caused to generate airborne dust, in order to full
Toe ring protects the needs of production, and the opening size of valve 6 is emptied by adjusting, can guarantee that separation system is built at former ash receiver 10
Vertical " zero negative pressure ", to realize the phenomenon that negative pressure of separation system runs, is not in airborne dust, to realize that cleaning, environmental protection are raw
Production；High and low monitoring material position meter 25 can monitor the height of material position in activation storehouse 18 and ultra-fine grey library 24, it is ensured that safely and just in real time
Often production, vacuum pressure relief valve 26 can adjust the pressure size in ultra-fine grey library 24, it is ensured that grey library is safe, and bulk machine 27 can be by
Material in ultra-fine ash library 24 carries out discharging, carries out entrucking by bulk machine 27 after qualification to be assayed and sells.
Referring to Fig. 4, Fig. 5, in practice it has proved that, the superfined flyash that the present invention is produced belongs to Subnano-class microballon, can replace
It is applied in rubber and plastic industry and building material industry for raw materials such as precipitated calcium carbonate, carbon black, silicon ashes, and excellent with absolute price
The production cost of enterprise can be greatly lowered in gesture.Because of the physicochemical property that superfined flyash is excellent, it is applied to rubber product industry
There is original performance in terms of shortening the fluidisation time, promoting tensile resistance, reduction wear volume；Subtracting applied to building material industry
Water effect, improvement mix physical performance, reduction heat of hydration etc. have stronger advantage；Simultaneously as its special ultra-fine ash is raw
Production. art is not changed and (is not destroyed to the spherical glass body in flyash) to pattern under its microscope, building
Build field of thermal insulation (such as：Modified foaming cement heat preserving plate) obtain good application.
Embodiment 3
Present embodiment discloses a kind of production methods using the flyash production system, include the following steps：
Step 1：It is packed into former ash in original ash bank 3, starts sorting main air blower 2 and works；
Step 2：Open the emptying valve 6 on the circulation loop pipeline 1 that sorting main air blower 2 exports；
Step 3：Feed hand-operated valve 7 and feed pneumatic operated valve 8 are opened, starts batcher 9 and works, former ash passes through hand-operated valve, gas
Dynamic valve and batcher 9 enter in the former ash receiver 10 being located on circulation loop pipeline 1；
Step 4：Former ash enters sorting machine 11 after being mixed with the operation wind of sorting main air blower 2 in former ash receiver 10,
Sorting machine 11 works, and carries out the thickness separation of material, and the cinder after separation enters cinder library 4, passes through 27 entrucking of bulk machine；Fine ash
It is collected by cyclone collector 13, the fine ash after collection enters fine ash library 5, passes through 27 entrucking of bulk machine；Cyclone collection
The ultra-fine grain that device 13 is not collected into yet is collected by bag filter 14 significantly.
Step 5：The flow direction of ultra-fine grain is controlled by controlling three-way switch valve 17, activation is connected on three-way switch valve 17
The nozzle in storehouse 18 is opened, and when the nozzle in connection fine ash library 5 is closed, the ultra-fine grain in bag filter 14 is through blanking machine 16 significantly
It enters in activation storehouse 18 and activates with three-way switch valve 17；The nozzle in connection activation storehouse 18 is closed on three-way switch valve 17, connection
When the nozzle in fine ash library 5 is opened, the ultra-fine grain in bag filter 14 enters in fine ash library 5 significantly；
Step 6：Material after overactivation enters conveyance conduit 22 by ultra-fine feed valve and ultra-fine batcher 21, by
The conveying fan of 22 one end of conveyance conduit generates conveying wind and be delivered in the ultra-fine grey library 24 of the other end；
Step 7：Material in ultra-fine grey library 24 is chemically examined, the material after chemical examination is qualified is by bulk machine 27 into luggage
Vehicle is sold.
The product that the present embodiment processes is superfined flyash, one processed compared to existing coal ash separation system
Grade flyash etc., there is following correction data：
Table one：
Table two：
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (6)
1. the production method of flyash production system, which is characterized in that the flyash production system includes ultra-fine ash production dress
It sets, the ultra-fine grey process units includes sorting dust removing units, activation unit and the ultra-fine ash being sequentially communicated by conveyance conduit
The import of storage unit, the sorting dust removing units is connected to the circulation loop pipeline of flyash production system, and sorts dedusting
Unit is located between cyclone collector and sorting main air blower, the conveyance conduit between the activation unit and ultra-fine grey storage unit
It is equipped with the blowing unit in the source that is used to provide power；It is activation that the sorting dust removing units, which use bag filter, activation unit,
Storehouse；The ultra-fine grey storage unit is ultra-fine grey library, and blowing unit is roots blower；Flyash production system further includes connecting successively
Be connected on sorting main air blower, original ash bank, cinder library and fine ash library on circulation loop pipeline, be connected in turn on the original ash bank to
Expect hand-operated valve, feed pneumatic operated valve and batcher, batcher is connected with the former ash receiver on circulation loop pipeline, described to follow
Loop back path pipeline is equipped with the sorting machine connected respectively with cinder library, fine ash library, and is equipped on cinder library and fine ash library in bulk
Machine, the circulation loop pipeline are equipped with the cyclone collector connected with fine ash library；
The production method of flyash production system includes following procedure of processing：
Step 1：It is packed into former ash in original ash bank, starts sorting main air blower work；
Step 2：Open feed hand-operated valve and feed pneumatic operated valve, start batcher work, former ash by hand-operated valve, pneumatic operated valve and
Batcher enters in the former ash receiver being located on circulation loop pipeline；
Step 3：Former ash enters sorting machine, sorting machine work after being mixed with the operation wind of sorting main air blower in former ash receiver
Make, carry out the thickness separation of material, the cinder after separation enters cinder library, passes through bulk machine entrucking；Fine ash passes through cyclone collection
Device is collected, and the fine ash after collection enters fine ash library, passes through bulk machine entrucking；Cyclone collector is not collected into ultra-fine yet
Particle is collected by bag filter；
Step 4：The flow direction of ultra-fine grain is controlled by controlling three-way switch valve, the nozzle in activation storehouse is connected on three-way switch valve
It opens, when the nozzle in connection fine ash library is closed, the ultra-fine grain in bag filter is entered through blanking machine and three-way switch valve
Activation activates in storehouse；The nozzle in connection activation storehouse is closed on three-way switch valve, when the nozzle in connection fine ash library is opened, bag-type dust
Ultra-fine grain in device enters in fine ash library；
Step 5：Material after overactivation enters conveyance conduit by ultra-fine feed valve and ultra-fine batcher, by conveyance conduit
The conveying fan of one end generates conveying wind and be delivered in the ultra-fine grey library of the other end；
Step 6：Material in ultra-fine grey library is chemically examined.
2. the production method of flyash production system according to claim 1, it is characterised in that：On the bag filter
Pressure transmitter is installed.
3. the production method of flyash production system according to claim 2, it is characterised in that：The bag filter according to
Secondary to be connected with blanking machine and three-way switch valve, a nozzle of three-way switch valve is connected to fine ash library, another pipe of three-way switch valve
Mouth connects the activation storehouse.
4. the production method of flyash production system according to claim 3, it is characterised in that：The activation storehouse connects successively
It is connected to ultra-fine feed valve and the ultra-fine batcher being installed on conveyance conduit, roots blower is arranged in one end of conveyance conduit,
The other end of the ultra-fine ash lab setting in conveyance conduit.
5. the production method of flyash production system according to claim 4, it is characterised in that：It is set on the ultra-fine grey library
There is high and low monitoring material position meter.
6. the production method of flyash production system according to claim 5, it is characterised in that：It is set on the ultra-fine grey library
There are vacuum pressure relief valve and bulk machine.
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| CN201610212659.2A CN105750204B (en) | 2016-04-07 | 2016-04-07 | Ultra-fine ash process units and production method |
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| CN1310209A (en) * | 2001-02-20 | 2001-08-29 | 上海硕华高科技产业有限公司 | Health building paint intermediate and its preparation |
| JP4599540B2 (en) * | 2005-06-23 | 2010-12-15 | 太平工業株式会社 | Coal ash treatment equipment |
| CN100464825C (en) * | 2006-12-27 | 2009-03-04 | 吉林安洁环保有限公司 | Semi-dry desulfurizing process in double feedback circular fluidized bed |
| CN102350214A (en) * | 2011-06-29 | 2012-02-15 | 山东大学 | Coal-fired power plant coal dust prepared activated coke flue gas comprehensive purification system and technology |
| CN103017182B (en) * | 2012-12-19 | 2015-07-08 | 华电电力科学研究院 | System and method for efficiently and economically processing coal ash and bottom slag of coal-fired units of power plants |
| CN103816795A (en) * | 2014-03-17 | 2014-05-28 | 北京承天明德环保科技有限公司 | Semi-dry process desulfurization dust-removing technique and device |
| CN204522490U (en) * | 2015-03-26 | 2015-08-05 | 上海深策投资咨询有限公司 | The flyash stage extraction device that wind-power combines with hydrodynamic force |
| CN205007981U (en) * | 2015-09-30 | 2016-02-03 | 徐州天正活性炭厂 | Palingenetic automation line of powdered activated carbon |
| CN205599524U (en) * | 2016-04-07 | 2016-09-28 | 重庆华珞粉煤灰开发有限责任公司 | Superfine grey apparatus for producing |
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Effective date of registration: 20200814 Address after: 400000 Huaneng Chongqing Luohuang Power Generation Co., Ltd., Luohuang town, Jiangjin District, Chongqing Patentee after: HUANENG CHONGQING LUOHUANG POWER GENERATION Co.,Ltd. Address before: 400000 No. 46 Dashi Road, Huayuan Road street, Chongqing Patentee before: CHONGQING HUALUO COAL ASH DEVELOPMENT Co.,Ltd. |