CN208288136U - A kind of fine coal ash pipe mill formula fine mill - Google Patents

A kind of fine coal ash pipe mill formula fine mill Download PDF

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Publication number
CN208288136U
CN208288136U CN201820463232.4U CN201820463232U CN208288136U CN 208288136 U CN208288136 U CN 208288136U CN 201820463232 U CN201820463232 U CN 201820463232U CN 208288136 U CN208288136 U CN 208288136U
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CN
China
Prior art keywords
fine
grinder
mill
thin tubes
extra thin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820463232.4U
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Chinese (zh)
Inventor
檀峰
李晓晨
徐永方
张大军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Beike Huadian Polytron Technologies Inc
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Beijing Beike Huadian Polytron Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201820463232.4U priority Critical patent/CN208288136U/en
Application granted granted Critical
Publication of CN208288136U publication Critical patent/CN208288136U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of fine coal ash pipes to grind formula fine mill, including cinder library, speed regulation electric feeder, screw conveyor, grinder for extra thin tubes, bucket elevator, pulsed jet cloth filter, air flume and centrifugal high pressure fan;The bottom end in the cinder library is adjusted the speed electronic feed and is connect with the entrance of the screw conveyor, the outlet of the screw conveyor is connect with grinder for extra thin tubes, the pulsed jet cloth filter is located at the tail portion of the grinder for extra thin tubes, it is divided into the intermediate bin of the grinder for extra thin tubes and sets air flume and centrifugal high pressure fan, the bucket elevator is located at the bottom of air flume, for fine ash to be pumped into sorting fine ash library.

Description

A kind of fine coal ash pipe mill formula fine mill
Technical field
The utility model relates to a kind of fine coal ash pipes to grind formula fine mill.
Background technique
The grinding efficiency of existing fine mill is low, and national standard is not achieved in grinding effect.In view of the above shortcomings, this Designer is actively subject to research and innovation, to found a kind of fine coal ash pipe mill formula fine mill, makes it with more in industry Utility value.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of fine coal ash pipes to grind formula fine mill, packet Include cinder library, speed regulation electric feeder, screw conveyor, grinder for extra thin tubes, bucket elevator, pulsed jet cloth filter, air Skewed slot and centrifugal high pressure fan;The bottom end in the cinder library is adjusted the speed electronic feed and is connected with the entrance of the screw conveyor It connects, the outlet of the screw conveyor is connect with grinder for extra thin tubes, and the pulsed jet cloth filter is located at the grinder for extra thin tubes Tail portion, divided into the intermediate bin of the grinder for extra thin tubes and set air flume and centrifugal high pressure fan, the bucket elevator is set In the bottom of air flume, for fine ash to be pumped into sorting fine ash library.
Further, level-sensing device is provided on the intermediate bin.
Further, radio frequency admittance high charge level meter is equipped with outside the bottom end of the pulsed jet cloth filter.
Further, radio frequency admittance bottom level-sensing device is equipped in the low side of the pulsed jet cloth filter.
Further, Hand-operated butterfly valve is provided on the pulsed jet cloth filter blast pipe.
Further, the grinder for extra thin tubes includes circular cylinder body and end cap, and the circular cylinder body and end cap can be integrated, The cylinder is pivotally supported on bearing by hollow on end cap, is equipped with gear in the outside of the cylinder.
According to the above aspect of the present invention, the utility model at least has the following advantages: a kind of fine coal ash pipe mill formula mill of the utility model Thin device grinder for extra thin tubes cylinder is generally divided into two storehouses, for the partial size of flyash or cinder and mixture composition and its easy mill Property, the transformation of flyash specialized superfine mill is carried out to device in ball grinder for extra thin tubes:
(1) former partition panel is substituted using flyash special double-layer screening partition panel, it is 5mm, intermediate stainless steel that partition panel, which is combed and stitched, Sieve screen slot is 1.2mm, can efficiently control the partial size into two storehouse particles in this way, accelerates a storehouse conforming particle to import two storehouses and carries out High-efficient grinding reduces in a storehouse and crosses grinding phenomenon.
(2) the length in one storehouse of grinder for extra thin tubes is determined according to the easy mill degree and moisture content of flyash, and a usual storehouse uses φ 20 The steel ball of~φ 50 is carried out with ball, and two storehouses can be to thin because micro- forging surface area is relatively large using 8~φ of φ, 16 small dimension steel forging Particulate material carries out high-efficient grinding, while reducing abrasive body diameter and can delay to grind the flow velocity of interior material, increases material and stops in mill The time is stayed, grinding is reinforced.
(3) increase activation lining board in grinder for extra thin tubes tail storehouse, can effectively slow down flow velocity of the material in tail storehouse, while can The grinding function for enhancing small forging improves the specific surface area of product.
(4) mill tail discharge grid plate is that small comb stitches the dedicated discharge grid plate of 5mm (can be transformed in original basis), adjusts lifting Board diameter goes out to grind flow velocity to control material.Double-layered isolating plate opposite ends face uses the backplate with ventilation comb seam, has both protected stainless Steel sieve plate is not ground body abrasion and strengthens mill inner ventilation, promotes qualified fine powder that grinder for extra thin tubes is discharged in time, reduced Grinding phenomenon.
(5) suitable mill inner ventilation speed is selected, is suitable for 0.8~1.0m/s of wind speed, shortens qualified thin material and is stopped in mill Grinder for extra thin tubes is discharged in time, improves mill efficiency for time, the heat for promoting micro mist and grinding to generate.
(6) turnover panel airlock need to be added at mill tail blanking and airlock answers dexterous actions.It, can be with using circle stream technique The unit-hour output for significantly improving system reduces the power consumption of unit product, reduces production cost.Grinder for extra thin tubes uses pulse bag Deduster dedusting, blower motor use frequency control, grind interior wind speed to adjust, control material flow and fineness.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, with the preferred embodiment of the utility model, detailed description is as follows below.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fine coal ash pipe mill formula fine mill of the utility model;
Fig. 2 is the structural schematic diagram of the utility model grinder for extra thin tubes.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Such as Fig. 1 Shown in a kind of fine coal ash pipe grind formula fine mill, including cinder library 1, speed regulation electric feeder 2, screw conveyor 3, high tubule Grinding machine 4, bucket elevator 5, pulsed jet cloth filter 9, air flume 10 and centrifugal high pressure fan 12;The cinder library 1 Bottom end is connect through the electronic feed of speed regulation and 2 with the entrance of the screw conveyor 3, and the outlet of the screw conveyor 3 and height are thin Tube mill 4 connects, and the pulsed jet cloth filter 9 is located at the tail portion of the grinder for extra thin tubes, in the grinder for extra thin tubes Between storehouse divide into and set air flume 10 and centrifugal high pressure fan 12, the bucket elevator 5 is located at the bottom of air flume 10, is used for Fine ash is pumped into sorting fine ash library 13;Level-sensing device is provided on the intermediate bin;Outside the bottom end of the pulsed jet cloth filter 9 Portion is equipped with radio frequency admittance high charge level meter 6;Radio frequency admittance bottom level-sensing device 8 is equipped in the bottom end of the pulsed jet cloth filter 9;Institute It states and is provided with Hand-operated butterfly valve on 9 blast pipe of pulsed jet cloth filter.
Grinder for extra thin tubes as shown in Figure 2, the grinder for extra thin tubes include circular cylinder body 1 and end cap 2, the circular cylinder body 1 and end cap 2 can be integrated, the cylinder is pivotally supported on bearing 3 by hollow on end cap, is equipped in the outside of the cylinder Gear.
The working principle of the utility model is: increasing a manual inserting plate door under cinder library 1 and a speed regulation electronic is given Material machine 2, by the continuously feeding auger conveyer 3 of the cinder after metering.Screw conveyor 3 is arranged in the entrucking in original grey library On machine platform, cinder is directly transported into grinder for extra thin tubes 4.It adjusts the speed electric feeder 2 and uses variable-frequency control technique, it can be continuous Steadily adjust and measure the flow into grinder for extra thin tubes.The cinder of mill will be entered, and (powder of discharge is straight after grinding in mill I grades of grey fineness (≤12%) requirements are accessed, are no longer needed to by sieving or sorting).It is arranged one with extractor fan in mill tail Pulsed jet cloth filter 9 is in time discharged the hot and humid gas of dust-laden in grinding;Also have simultaneously and reinforce mill inner ventilation, improves grinding The effect of efficiency.Purified gas directly arranges atmosphere, and concentration of emission reaches national requirements for environmental protection.To adjust air quantity, in dedusting A Hand-operated butterfly valve is provided on device blast pipe.For lock wind requirement, mill tail discharging is slipped provided with a weight flap valve.Pulse removes Dirt device blowing gas source is derived from the original air compressor system of separation system.The fine ash that pulse dust collector is collected falls into mill tail intermediate bin.
One air flume 10 and a centrifugal high pressure fan 11 are set under intermediate bin, flyash finished product is continuously introduced into bucket Machine 5 is mentioned, sorting fine ash library 13 is then pumped into.It is provided with level-sensing device on intermediate bin, alarm can be issued in the case where intermediate bin material expires situation Signal prevents flash.
Grinder for extra thin tubes working principle are as follows: the circular cylinder body 11 of grinder for extra thin tubes utilizes spiral and the end with hollow axle journal Lid 22 is linked together, and cylinder is pivotally supported on bearing 33 by means of hollow on end cap.Cylinder is provided with abrasive media, generally Steel ball, steel section, rod iron, gravel and porcelain ball etc..Motor drives cylinder by being mounted in the gear 44 of cylinder one end by transmission device Body revolution.Material is sent into cylinder by dispenser through the hollow axle journal of material feeding end, when cylinder revolution, the intracorporal abrasive media of cylinder Under the action of frictional force and centrifugal force, note is attached to cylinder inboard wall and turns round together with cylinder, and is brought to certain height, due to Gravity suffered by medium itself, generation, which is freely rushed down, to be fallen or leaves, and generates impact to material, simultaneous grinding medium there are also sliding with Roll, make intervenient material by stripping mill effect, so continuous Ground shock waves stripping mill and by crushing material.Not due to feed end Material is added disconnectedly, it is poor that there are material positions between feed end and discharge end, and when medium whereabouts, impact material causes axial push away Power, therefore, although grinder for extra thin tubes cylinder is horizontal positioned, material can slowly be flowed to discharge end by feed end, be completed Powder operation.
Grinder for extra thin tubes cylinder is generally divided into two storehouses, for the partial size of flyash or cinder and mixture composition and its easy mill Property, the transformation of flyash specialized superfine mill is carried out to device in ball grinder for extra thin tubes:
(1) former partition panel is substituted using flyash special double-layer screening partition panel, it is 5mm, intermediate stainless steel that partition panel, which is combed and stitched, Sieve screen slot is 1.2mm, can efficiently control the partial size into two storehouse particles in this way, accelerates a storehouse conforming particle to import two storehouses and carries out High-efficient grinding reduces in a storehouse and crosses grinding phenomenon.
(2) the length in one storehouse of grinder for extra thin tubes is determined according to the easy mill degree and moisture content of flyash, and a usual storehouse uses φ 20 The steel ball of~φ 50 is carried out with ball, and two storehouses can be to thin because micro- forging surface area is relatively large using 8~φ of φ, 16 small dimension steel forging Particulate material carries out high-efficient grinding, while reducing abrasive body diameter and can delay to grind the flow velocity of interior material, increases material and stops in mill The time is stayed, grinding is reinforced.
(3) increase activation lining board in grinder for extra thin tubes tail storehouse, can effectively slow down flow velocity of the material in tail storehouse, while can The grinding function for enhancing small forging improves the specific surface area of product.
(4) mill tail discharge grid plate is that small comb stitches the dedicated discharge grid plate of 5mm (can be transformed in original basis), adjusts lifting Board diameter goes out to grind flow velocity to control material.Double-layered isolating plate opposite ends face uses the backplate with ventilation comb seam, has both protected stainless Steel sieve plate is not ground body abrasion and strengthens mill inner ventilation, promotes qualified fine powder that grinder for extra thin tubes is discharged in time, reduced Grinding phenomenon.
(5) suitable mill inner ventilation speed is selected, is suitable for 0.8~1.0m/s of wind speed, shortens qualified thin material and is stopped in mill Grinder for extra thin tubes is discharged in time, improves mill efficiency for time, the heat for promoting micro mist and grinding to generate.
(6) turnover panel airlock need to be added at mill tail blanking and airlock answers dexterous actions.It, can be with using circle stream technique The unit-hour output for significantly improving system reduces the power consumption of unit product, reduces production cost.Grinder for extra thin tubes uses pulse bag Deduster dedusting, blower motor use frequency control, grind interior wind speed to adjust, control material flow and fineness.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that For those skilled in the art, without deviating from the technical principle of the utility model, it can also do Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (6)

1. a kind of fine coal ash pipe grinds formula fine mill, it is characterised in that: including cinder library, speed regulation electric feeder, helical feed Machine, grinder for extra thin tubes, bucket elevator, pulsed jet cloth filter, air flume and centrifugal high pressure fan;The cinder library Bottom end is adjusted the speed electronic feed and is connect with the entrance of the screw conveyor, the outlet of the screw conveyor and grinder for extra thin tubes Connection, the pulsed jet cloth filter are located at the tail portion of the grinder for extra thin tubes, divide into the intermediate bin of the grinder for extra thin tubes Air flume and centrifugal high pressure fan are set, the bucket elevator is located at the bottom of air flume, for fine ash to be pumped into sorting Fine ash library.
2. a kind of fine coal ash pipe according to claim 1 grinds formula fine mill, it is characterised in that: be arranged on the intermediate bin There is level-sensing device.
3. a kind of fine coal ash pipe according to claim 1 grinds formula fine mill, it is characterised in that: removed in the pulse bag Radio frequency admittance high charge level meter is equipped with outside the bottom end of dirt device.
4. a kind of fine coal ash pipe according to claim 1 grinds formula fine mill, it is characterised in that: removed in the pulse bag The low side of dirt device is equipped with radio frequency admittance bottom level-sensing device.
5. a kind of fine coal ash pipe according to claim 1 grinds formula fine mill, it is characterised in that: removed in the pulse bag Hand-operated butterfly valve is provided on dirt device blast pipe.
6. a kind of fine coal ash pipe according to claim 1 grinds formula fine mill, it is characterised in that: the grinder for extra thin tubes packet Circular cylinder body and end cap are included, the circular cylinder body and end cap can be integrated, and the cylinder is pivotally supported on by hollow on end cap On bearing, gear is equipped in the outside of the cylinder.
CN201820463232.4U 2018-04-03 2018-04-03 A kind of fine coal ash pipe mill formula fine mill Expired - Fee Related CN208288136U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820463232.4U CN208288136U (en) 2018-04-03 2018-04-03 A kind of fine coal ash pipe mill formula fine mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820463232.4U CN208288136U (en) 2018-04-03 2018-04-03 A kind of fine coal ash pipe mill formula fine mill

Publications (1)

Publication Number Publication Date
CN208288136U true CN208288136U (en) 2018-12-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112024094A (en) * 2020-08-17 2020-12-04 陕西正元麟电环保产业有限公司 Superfine fly ash production system and production process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112024094A (en) * 2020-08-17 2020-12-04 陕西正元麟电环保产业有限公司 Superfine fly ash production system and production process

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181228

Termination date: 20200403