CN108745604B - Automatic separation and sorting method and equipment for powder materials - Google Patents
Automatic separation and sorting method and equipment for powder materials Download PDFInfo
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- CN108745604B CN108745604B CN201810564764.1A CN201810564764A CN108745604B CN 108745604 B CN108745604 B CN 108745604B CN 201810564764 A CN201810564764 A CN 201810564764A CN 108745604 B CN108745604 B CN 108745604B
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- 239000000463 material Substances 0.000 title claims abstract description 255
- 239000000843 powder Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000000926 separation method Methods 0.000 title claims description 76
- 238000001914 filtration Methods 0.000 claims abstract description 142
- 238000004140 cleaning Methods 0.000 claims description 63
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 10
- 239000012254 powdered material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 41
- 238000003801 milling Methods 0.000 description 26
- 238000000227 grinding Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 239000002245 particle Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
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- 230000001154 acute effect Effects 0.000 description 1
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- 206010006514 bruxism Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
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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
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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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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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
- B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
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- Chemical & Material Sciences (AREA)
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- Combined Means For Separation Of Solids (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a method and equipment for automatically separating and sorting powder materials, wherein the method for automatically separating and sorting the powder materials comprises the following steps: the ultrafine powder of the materials which are ground and crushed into powder is absorbed into a first filtering group for filtering, and meanwhile, a second filtering group in a non-working state is cleaned and collected; after the second filtering group in the non-working state is cleaned; and the second filtering group enters a working state, the superfine powder is filtered after the second filtering group is sucked and sorted again, and meanwhile, the first filtering group enters a non-working state, and the second filtering group is cleaned and collected. The invention has the advantages of energy saving, environmental protection and high production efficiency.
Description
Technical Field
The invention relates to the field of powder material separation, in particular to a method and equipment for automatically separating and sorting powder materials.
Background
In the prior art, in the production of powder materials, larger blocks of materials need to be ground into tiny powder so as to meet the requirements of the production process. In the powder material production process of prior art, when needing to change when producing another kind of material or equipment when cleaning the maintenance, whole equipment need the out-of-service, is cleaned the equipment by operating personnel in addition, and cyclone's cavity top surface, interior bucket and filter core all pull down the clearance. In the prior art, when an operator cleans, powder floats in the air, so that the health of the operator is influenced, and the whole equipment needs to stop running, thereby reducing the production efficiency of powder materials.
Disclosure of Invention
The invention aims to provide a method and equipment for automatically separating and sorting powder materials, which can improve the production efficiency.
In a first aspect, the invention discloses a method for automatically separating and sorting powder materials, which comprises the following steps:
the material which is ground and crushed into powder is sucked into the first filtering group in the working state, and the second filtering group in the non-working state is cleaned;
after the second filtering group in the non-working state is cleaned; the second filtering group enters a working state, the suction material is ground and pulverized into powdery material, and meanwhile, the first filtering group enters a non-working state for cleaning.
Preferably, the automatic separation and sorting method for powder materials further comprises: the first filter group comprises at least one first filter unit, when the first filter group is in an operating state, gas mixed with powdery materials is sucked into a first cavity of the first filter unit, a first filter element in the first cavity filters the gas and then discharges the gas into a second cavity of the first filter element, and then the gas after being filtered is discharged from a first exhaust port of the first filter unit.
Preferably, the automatic separation and sorting method for powder materials further comprises: first filter bank is in when inoperative state, closes first filter unit first exhaust port blows in cleaning gas in the second cavity, makes cleaning gas via first filter core gets into in the first cavity, in order to drive and be attached to on the first filter core be pulverous material and break away from first filter core breaks away from first filter core is first filter core be pulverous material passes through the first discharge gate discharge that first filter unit bottom set up.
Preferably, the automatic separation and sorting method for powder materials further comprises: when first filter bank is in operating condition, via first filter core is held back in the first cavity be pulverous material passes through the first discharge gate that first filter unit bottom set up discharges.
Preferably, before the material is ground and pulverized into powder, the material is sucked into the first filtration group in the working state, and simultaneously the second filtration group in the non-working state is cleaned, the method further comprises the following steps:
grind the material and smash in the back row separator, warp separator carries out the gas-solid separation after, will contain the gas that is pulverous material and arrange into in the first filter bank, will hold back in the separator the material passes through the mouth that gathers materials of separator bottom discharges, and the recovery cover that establishes through the cover at the mouth that gathers materials hinders to be pulverous material and follows the mouth that gathers materials outdiffusion to in will outdiffusion be pulverous material suction recovery unit.
In a second aspect, the invention also discloses automatic separating and sorting equipment for the powder materials, which comprises a separating device, a first filtering group and a second filtering group; the separation device is in conductive connection with the first filtering group and the second filtering group and is used for carrying out gas-solid separation on the crushed materials; the first filter group comprises at least one first filter unit, and the first filter unit is in conduction connection with the separation device and is used for filtering gas containing powdery materials discharged by the separation device; the second filtering group comprises at least one second filtering unit, and the second filtering unit is in conduction connection with the separating device and is used for filtering the gas containing powdery materials discharged by the separating device; the automatic separating and sorting equipment for the powder materials comprises a first state and a second state, wherein the first filter group is in a working state in the first state, and the second filter group in a non-working state is cleaned at the same time; in the second state, the second filter group is in the working state, and the first filter group in the non-working state is cleaned.
Preferably, the first filtering unit comprises a sleeve, an end cover, a first filter element and a switch, a first air inlet and a first air outlet are arranged on the wall of the sleeve, the end cover is arranged at the end face of the first end of the sleeve, a second air inlet is arranged on the end cover, the first filter element is inserted in the sleeve, a first cavity is formed between the first filter element and the sleeve, and the first air inlet is communicated with the first cavity and the separating device; a second cavity is formed in the first filter element, the second cavity is communicated with the first exhaust port and the second air inlet, and the switch movable cover is arranged on the first exhaust port.
Preferably, first filter unit still includes and keeps off the material ring, sheathed tube second end is provided with first discharge gate, it establishes to keep off the material ring insert in the sheathed tube second end, first air inlet with keep off the relative setting in material ring position, keep off the material ring first end outer peripheral face with the sheathed tube inner peripheral surface is laminated mutually, keep off the material ring the second end with the sheathed tube inner peripheral surface is formed with row material clearance, first air inlet is located first discharge gate with between the first discharge gate, arrange the material clearance with first discharge gate reaches first cavity is linked together.
Preferably, the automatic separating and sorting equipment for the powder materials further comprises a cleaning fan, and the cleaning fan is in conduction connection with the second air inlet and used for conveying cleaning gas to the second air inlet.
The automatic separation and sorting method and the automatic separation and sorting equipment for the powder materials have the following beneficial effects: during production, the materials which are ground and crushed into powder are sucked into the first filtering group in the working state, and the second filtering group in the non-working state is cleaned; after the second filtering group in the non-working state is cleaned; the second filtering group enters a working state, the suction material is ground and pulverized into powdery material, and meanwhile, the first filtering group enters a non-working state for cleaning. Namely, the first filtering group and the second filtering group work and clean alternately, the whole equipment can be in a working state all the time, and therefore, the production efficiency is high.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of the automatic separation and sorting method for powder materials according to the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the automatic separating and sorting apparatus for powder materials according to the present invention;
FIG. 3 is a schematic structural view of another perspective of the automatic separating and sorting apparatus for powder materials of the present invention shown in FIG. 1;
FIG. 4 is a schematic structural view of another perspective of the automatic separating and sorting apparatus for powder materials of the present invention shown in FIG. 1;
FIG. 5 is a schematic structural view showing a part of the structure of the automatic separating and sorting apparatus for powdery material according to the present invention shown in FIG. 1;
FIG. 6 is a schematic structural view showing a partial structure of an aggregate mechanism of the automatic separating and sorting apparatus for powdery material of the present invention shown in FIG. 1;
FIG. 7 is a schematic structural view showing a partial structure of an aggregate mechanism of the automatic separating and sorting apparatus for powdery material of the present invention shown in FIG. 1;
FIG. 8 is a schematic structural diagram of a first filter element of the automatic separating and sorting equipment for powder materials in FIG. 1;
FIG. 9 is a cross-sectional view of a first filter element of the automatic separating and sorting apparatus for powdery material of the present invention shown in FIG. 1;
FIG. 10 is a schematic view of the sucking and filtering device and the grinding device of the automatic separating and sorting apparatus for powdered materials of the present invention shown in FIG. 1;
FIG. 11 is a schematic structural view of the automatic powder material separating and sorting apparatus of FIG. 1 with the material sucking pipe removed and the material sucking and filtering device and the milling device engaged with each other;
FIG. 12 is a graph showing the particle sizes of discharged gas of the material filtered by the automatic separating and sorting apparatus for powdery material of the present invention shown in FIG. 1.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
Example 1
Referring to fig. 1, 2 and 9, the present invention discloses a method for automatically separating and sorting powder materials, which comprises the following steps:
s1, sucking the materials which are ground and pulverized into powder into the first filtering group 2 in the working state, and cleaning the second filtering group 3 in the non-working state;
when the first filtering group 2 filters the sucked powdery material, the second filtering group 3 in a non-working state can be cleaned manually or by a robot, or the second filtering group 3 can be cleaned automatically. Preferably, when the first filter group 2 filters the sucked powdered material, the second filter group 3 is automatically cleaned, so that the production efficiency is high and the cost is low. Wherein, the powdery material is ultrafine powder, and the ultrafine powder can be powder coating, plastic powder and the like.
S2, after the second filtering group 3 in the non-working state is cleaned; the second filtering group 3 enters a working state, the suction material is ground and pulverized into powder material, and meanwhile, the first filtering group 2 enters a non-working state for cleaning.
Similarly, when the second filtering group 3 works, the first filtering group 2 is cleaned, and the first filtering group 2 and the second filtering group 3 work and clean alternately, so that the problem that the equipment cannot perform filtering materials during cleaning is avoided, and the production efficiency is high. In this embodiment, when the second filter group 3 is in operation, the material is ground into powder by circulating cold air to suck the material, so that the energy consumption can be reduced.
Preferably, the automatic separation and sorting method for powder materials further comprises: the first filter group 2 comprises at least one first filter unit 20, when the first filter group 2 is in an operating state, gas mixed with powdery material is sucked into a first cavity 25 of the first filter unit 20, a first filter element 23 located in the first cavity 25 filters the gas and then discharges the gas into a second cavity 26 of the first filter element 23, and then the filtered gas is discharged from a first exhaust port of the first filter unit 20. In this embodiment, the first filtering set 2 includes a plurality of first filtering units 20 arranged in parallel, the first cavity 25 and the second cavity 26 are coaxially arranged, the first cavity 25 and the second cavity 26 are vertically arranged, and the first exhaust port is located at the upper end of the first filtering unit 20, so that more materials can fall to the bottom of the first cavity 25 under the action of gravity, and thus, the filtering effect is good and the cleaning is convenient.
Preferably, the automatic separation and sorting method for powder materials further comprises: when first filter group 2 is in the non-operating condition, closes first filter unit 20 first exhaust port blows into cleaning gas in the second cavity 26, makes cleaning gas via first filter core 23 gets into in the first cavity 25, in order to drive and adhere to on first filter core 23 be powdered material and break away from first filter core 23 breaks away from first filter core 23 break away from first filter core 23 be powdered material and pass through the first discharge port 213 that first filter unit 20 bottom set up discharges. The cleaning effect is better because the flowing directions of the cleaning gas and the filtered gas are opposite.
Preferably, the automatic separation and sorting method for powder materials further comprises: when the first filter group 2 is in the operating state, the powdery material trapped in the first cavity 25 by the first filter element 23 is discharged through the first discharge opening 213 provided at the bottom of the first filter unit 20. Thus, material accumulation in the first cavity 25 is better avoided.
Preferably, before the material is ground and pulverized into powder, and sucked into the first filter group 2 in the working state, and at the same time, the second filter group 3 in the non-working state is cleaned, the method further comprises:
grind the material and smash in the back row separator, warp separator carries out the gas-solid separation after, will contain the gas that is pulverous material and arrange into in the first filter bank 2, will hold back in the separator the material passes through the mouth that gathers materials of separator bottom discharges, and the recovery cover that establishes through the cover at the mouth that gathers materials hinders to be pulverous material and follows the mouth that gathers materials outdiffusion to in being pulverous material that will outdiffusion inhales recovery unit 6. Therefore, the diffusion of the powder material from the collecting port to the atmosphere is avoided, and the environment is protected.
Preferably, the automatic separation and sorting method for powder materials further comprises: the grinding and crushing of the material specifically comprises: filtering the material, and grinding and crushing the filtered material. Because the material is filtered before being crushed, the influence of the part of the powdered material on the next process can be avoided.
Preferably, the automatic separation and sorting method for powder materials further comprises: after the material is ground and crushed, the method further comprises the following steps: and carrying out gas-solid separation on the crushed raw material. By gas-solid separation, the material entering the first and second filter units 20 and 30 can be reduced, thereby improving the filtering effect.
Preferably, the automatic separation and sorting method for powder materials further comprises: the second filter group 3 comprises at least one second filter unit 30, when the second filter group 3 is in an operating state, the gas mixed with the powdery material is sucked into the first cavity 25 of the second filter unit 30, the second filter element located in the first cavity 25 filters the gas and then discharges the gas into the second cavity 26 of the second filter element, and then the filtered gas is discharged from the first exhaust port of the second filter unit 30. In this embodiment, the second filtering group 3 includes a plurality of second filtering units 30 arranged in parallel, the first cavity 25 and the second cavity 26 of the second filtering unit 30 are coaxially arranged, the first cavity 25 and the second cavity 26 are vertically arranged, and the first exhaust port of the second filtering unit 30 is located at the upper end of the first filtering unit 20, so that more materials can fall to the bottom of the first cavity 25 under the action of gravity, thereby achieving good filtering effect and facilitating cleaning.
Preferably, the automatic separation and sorting method for powder materials further comprises: when the second filter group 3 is in the non-working state, close the second filter unit 30 first exhaust port blows in cleaning gas in the second cavity 26, makes cleaning gas via the second filter core gets into in the first cavity 25, in order to drive and attach to on the second filter core be powdery material and break away from the second filter core breaks away from the second filter core be powdery material and passes through the first discharge port 213 that sets up bottom the second filter unit 30 discharges. The cleaning effect is better because the flowing directions of the cleaning gas and the filtered gas are opposite.
Preferably, the automatic separation and sorting method for powder materials further comprises: monitoring the states of the first filtering set 2 and the second filtering set 3, and automatically replacing the first filtering set 2 with a prepared filtering set to work when the first filtering set 2 is monitored to be abnormal; and when the second filtering set 3 is monitored to be abnormal, automatically replacing the second filtering set 3 with the preparation filtering set to work. The problem that the whole device cannot work when the first filter group 2 or the second filter group 3 is damaged is avoided.
As can be seen from the above, in the automatic separating and sorting method for powder materials of the present invention, during production, the materials in powder form after being milled and crushed are sucked into the first filter group 2 in the working state, and the second filter group 3 in the non-working state is cleaned; after cleaning the second filtering group 3 in the non-working state; the second filtering group 3 enters a working state, the suction material is ground and pulverized into powder material, and meanwhile, the first filtering group 2 enters a non-working state for cleaning. Namely, the first filtering group 2 and the second filtering group 3 work and clean alternately, the whole equipment can be in a working state all the time, and therefore, the production efficiency is high.
Example 2
Referring to fig. 2 to 12, the present invention further discloses an automatic separating and sorting apparatus for powder materials, which includes a separating device 1, a first filtering set 2 and a second filtering set 3; the separation device 1 is in conductive connection with the first filter group 2 and the second filter group 3, and is used for performing gas-solid separation on the crushed materials, so that the materials can be conveniently collected, and excessive materials are prevented from being sucked into the first filter group 2 and the second filter group 3. The first filtering group 2 comprises at least one first filtering unit 20, and the first filtering unit 20 is in conductive connection with the separating device 1 and is used for filtering the gas containing the powdery material discharged by the separating device 1; the second filter group 3 comprises at least one second filter unit 30, and the second filter unit 30 is in conductive connection with the separation device 1 and is used for filtering the gas containing the powdery material discharged by the separation device 1. In this embodiment, the structure of the first filter unit 20 is the same as the structure of the second filter unit 30, and it is understood that the structure of the first filter unit 20 may be different from the structure of the second filter unit 30, and is not limited herein. The number of the first filter units 20 and the number of the second filter units 30 may be the same or different, and is not limited specifically herein. In this embodiment, the automatic separating and sorting apparatus for powder materials further includes a support 100 for supporting the separating device 1, the first filter group 2 and the second filter group 3, and it is understood that the support 100 may be disposed as required, and is not limited in this respect.
Preferably, the separating device 1 includes a turnover mechanism 11, a collecting mechanism 12 and a separating mechanism 13, the turnover mechanism 11 includes a turnover motor 111, a steering gear 112 and a connecting arm 113, the turnover motor 111 is connected to the steering gear 112, a first end of the connecting arm 113 is pivotally connected to the steering gear 112, and a second end of the connecting arm 113 is connected to the separating mechanism 13, so that the separating mechanism 13 can rotate around the steering gear 112; a material collecting cavity 120 is arranged in the material collecting mechanism 12, and the material collecting cavity 120 is communicated with the bottom surface and the top surface of the material collecting mechanism 12; the separation mechanism 13 is covered on the top surface of the material collecting mechanism 12, and the separation mechanism 13 is in conduction connection with the first filtering set 2 and the second filtering set 3 and is used for carrying out gas-solid separation on the crushed materials. This arrangement facilitates cleaning of the separating apparatus 1 and enables better collection of material.
Preferably, the separating mechanism 13 includes a first accommodating tube 131, a material sucking blade part 132 and a separating motor 133, the first accommodating tube 131 is sleeved outside the material sucking blade part 132, the material sucking blade part 132 is connected with the separating motor 133 for performing gas-solid separation on the crushed material, an inner cavity of the first accommodating tube 131 is in conduction connection with the first filtering group 2 and the second filtering group 3, and the separating mechanism is simple and compact in structure and convenient to clean. Wherein, a first switching valve a is arranged between the inner cavity of the first accommodating tube 131 and the first filtering set 2 and the second filtering set 3. It will be appreciated that each of the first filter units 20 is provided with a first working valve for controlling whether to communicate with the inner cavity of the first containing tube 131. Similarly, each of the second filter units 30 is provided with a second operation valve for controlling whether to communicate with the inner cavity of the first accommodating tube 131.
Preferably, the collecting mechanism 12 includes a second accommodating pipe 121, a connecting pipe 122, a recycling pipe 123 and a rotating sieve 124, the second accommodating pipe 121 is connected to the first accommodating pipe 131, the upper end of the connecting pipe 122 is connected to the lower end of the second accommodating pipe 121, the lower end of the connecting pipe 122 is connected to the rotating sieve 124, the first end of the recycling pipe 123 is connected to the connecting pipe 122, the second end of the recycling pipe 123 is in conduction connection with the first filtering group 2 and the second filtering group 3, the bottom of the rotating sieve 124 is provided with the collecting port 125, and the collecting port 125 is used for discharging the materials in the separation device 1. A second switching valve b is connected between the second accommodating tube 121 and the connecting tube 122, a third switching valve c is arranged between the connecting tube 122 and the rotary screen 124, a fourth switching valve d is arranged at the joint of the connecting tube 122 and the connecting tube 122, a fifth switching valve e is arranged on the rotary screen 124, and a sixth switching valve f is arranged at the material collecting port 125.
Preferably, the first filtering unit 20 includes a sleeve 21, an end cover 22, a first filter element 23 and a switch 24, a first air inlet 211 and a first air outlet 212 are arranged on a tube wall of the sleeve 21, the end cover 22 is covered on a first end face of the sleeve 21, a second air inlet 221 is arranged on the end cover 22, the first filter element 23 is inserted into the sleeve 21, a first cavity 25 is formed between the first filter element 23 and the sleeve 21, and the first air inlet 211 is communicated with the first cavity 25 and the separating device 1; a second cavity 26 is formed in the first filter element 23, the second cavity 26 is communicated with the first exhaust port 212 and the second intake port 221, and the switch 24 is movably covered on the first exhaust port 212.
The first cavity 25 and the second cavity 26 are coaxially arranged, the first cavity 25 and the second cavity 26 are vertically arranged, and the first exhaust port 212 is located at the upper end of the first filtering unit 20, so that more materials can fall to the bottom of the first cavity 25 under the action of gravity, and therefore the filtering effect is good and cleaning is facilitated. In operation, the switch 24 is opened, and the gas mixed with the material enters the first cavity 25 through the first inlet 211, is filtered by the first filter element 23, enters the second cavity 26, and is discharged through the first outlet 212. When cleaning, the switch 24 is closed, and the cleaning gas enters the second cavity 26 from the second gas inlet 221, then enters the first cavity 25 through the first filter element 23, and is discharged, so that the cleaning effect is good.
Preferably, the automatic separating and sorting equipment for powdery materials further comprises a suction filter device 4 and a grinding device 5, wherein the suction filter device 4 is in conduction connection with the grinding device 5 and is used for sucking materials, filtering the raw materials and then sending the filtered raw materials into the grinding device 5. Because the material is filtered before being crushed, the influence of the part of the powdered material on the next process can be avoided. Preferably, the material suction and filtration device 4 comprises a fixed pipe 41, an upper cover 42 and a filter stick 43, a first air inlet 411 and a first air outlet 412 are arranged on the pipe wall of the fixed pipe 41, the upper cover 42 is covered on the first end face of the fixed pipe 41, the filter stick 43 is inserted into the fixed pipe 41, a first filtration chamber 44 is formed between the filter stick 43 and the fixed pipe 41, and the first air inlet 411 is communicated with the first filtration chamber 44; a second filter cavity 45 is formed in the filter stick 43, the second filter cavity 45 is communicated with the first exhaust hole 412, a second end of the fixed pipe 41 is provided with a first exhaust hole 413, and the first exhaust hole 413 is communicated with the grinding device 5. The structure is simple, and the filtering effect is good.
Preferably, the material suction and filtration device 4 further includes a material blocking ring 46, the material blocking ring 46 is inserted into the second end of the fixed pipe 41, the first air inlet hole 411 and the material blocking ring 46 are oppositely disposed, the outer peripheral surface of the first end of the material blocking ring 46 is attached to the inner peripheral surface of the fixed pipe 41, a discharge gap 461 is formed between the second end of the material blocking ring 46 and the inner peripheral surface of the fixed pipe 41, the first air inlet hole 411 is located between the first discharge hole 413 and the first discharge hole 412, and the discharge gap 28 is communicated with the first discharge hole 413 and the first filtration cavity 44. Thus, more material may fall into the first venting hole 412, the rod is better protected, and the filtering effect is better.
Preferably, the material sucking and filtering device 4 further comprises a material sucking pipe 47, and the material sucking pipe 47 is connected with the fixed pipe 41 and is communicated with the first air inlet 411; the angle formed by the material suction pipe 47 and the fixed pipe 41 is an acute angle, so that the material suction is convenient, and the stability and the continuity of material conveying are better ensured.
Preferably, the material suction and filtration device 4 further comprises a material guide tube 481, a material pushing rod 482 and a material pushing motor 483, wherein the material guide tube 481 is communicated with the first material discharge hole 413 and the milling device 5, the material pushing rod 482 is movably inserted in the material guide tube 481, and the material pushing motor 483 is connected with the material pushing rod 482. The pushing rod 482 is pushed by the pushing motor 483 to push the material discharged from the first discharging hole 413 into the guide tube 481 into the milling device 5, so that the production efficiency can be improved.
Preferably, the milling device 5 is in conductive connection with the separation device 1, and is used for discharging the crushed material into the separation device 1. The milling device 5 comprises a milling cavity 51, a milling mechanism 52, a milling motor 53, a material suction fan blade assembly 54 and a material suction motor 55, wherein a milling cavity 511 is arranged in the milling cavity 51, the milling cavity 511 is communicated and connected with the material suction filter device 4, a plurality of milling teeth 512 are arranged on the cavity wall of the milling cavity 511, the milling teeth 512 form a ring shape, a first end of the milling mechanism 52 is inserted into the milling cavity 511, a second end of the milling mechanism 52 is positioned outside the milling cavity 51 and connected with the milling motor 53, and the milling mechanism 52 is matched with the milling teeth 512 to crush the material; the material suction fan blade assembly 54 is inserted into the grinding chamber 511 and is used for sucking the crushed material into the separation device 1, the material suction motor 55 is connected with the material suction fan blade assembly 54, a discharge air port corresponding to the position of the material suction fan blade assembly 54 is arranged on the top wall of the grinding chamber 51, and the discharge air port is in conduction connection with the separation device 1.
Preferably, the grinding mechanism 52 includes a fixed seat 521 and a plurality of grinding columns 522, the grinding columns 522 are disposed at equal intervals and form a ring shape, and the grinding columns 522 are disposed at intervals with the grinding teeth 512 and are used for crushing the material. The structure is reliable, and the milled material powder is fine. Preferably, the grinding cylinder 522 is cylindrical, thereby better avoiding adhesion by material.
Preferably, the milling device 5 further comprises a material blocking sleeve 56, the upper end of the material blocking sleeve 56 is connected with the milling cavity 51, the lower end of the material blocking sleeve 56 is inserted into a space formed by the plurality of milling columns 522, and the material suction fan blade assembly 54 is located in the material blocking sleeve 56, so that large-particle materials are better prevented from being discharged into the separation device 1.
Preferably, the automatic separating and sorting equipment for powder materials further comprises a material suction and recovery device 6, a recovery cover 126 for preventing the powdery material from diffusing outwards is covered at the material collecting port 125, and a recovery pipe 47 in conduction connection with the material suction and recovery device 6 is inserted into the recovery cover 126. Therefore, the diffusion of the powder material from the collecting port 125 to the atmosphere is avoided, and the environment is protected.
Preferably, the automatic powder material separating and sorting equipment further comprises a third filtering group 7, a main induced draft fan 8 and a refrigerating device 9, wherein the third filtering group 7 is in conduction connection with the first filtering group 2 and the second filtering group 3 and is used for filtering gas discharged from the first filtering group 2 and the second filtering group 3; the main draught fan 8 is used for sucking the gas discharged from the third filtering group 7 into the refrigerating device, and the refrigerating device 9 is used for discharging the gas discharged from the main draught fan 8 into the milling device 5 after being refrigerated.
Preferably, the automatic separating and sorting apparatus for powder materials further comprises a cleaner fan 10, and the cleaner fan 10 is in communication connection with the second gas inlet 221 and is used for conveying the cleaning gas to the second gas inlet 221, so that the cleaning efficiency can be improved. Wherein the cleaning gas is continuously blown into the second chamber 26 while the cleaning gas is blown into the second chamber 26. Therefore, the cleaning effect is better, and the problem that the cleaning effect is influenced by a negative pressure generated inside due to the recoil action of the pulse airflow when the cleaning is carried out by the pulse airflow in the prior art is solved.
The working principle of the invention is as follows: the material suction and filtration device 4 sucks materials into the grinding device 5, the grinding device 5 grinds the materials, and meanwhile, the main induced draft fan 8 sucks air in the third filtration group 7 out and discharges the air into the refrigeration device, so that the interior of the third filtration group 7 is in a negative pressure state; the cold air generated by the refrigerating device is blown into the milling device 5 to mix the cold air with the powder material. In the third filtering group 7, the cold air and the powder material are sucked into the separating device 1 under the negative pressure state, a part of the powder material is discharged from the material collecting port 125 of the separating device 1 through the separation of the separating device 1, and the other part of the powder material is brought into the first filtering group 2 or the second filtering group 3 by the cold air to be filtered through the first filtering group 2 or the second filtering group 3.
The automatic separating and sorting equipment for the powder materials comprises a first state and a second state, wherein the first filter group 2 is in a working state in the first state, and the second filter group 3 in a non-working state is cleaned at the same time; in the second state, the second filter group 3 is in the working state, and the first filter group 2 in the non-working state is cleaned. Through first filter group 2 perhaps cold wind after the second filter group 3 filters flows in the third filter group 7, through third filter group 7 filters again, then is inhaled in the main draught fan 8 is gone into side by side in the refrigeration plant, the cold air duct forms a closed loop, and cold wind constantly circulates, has reduced refrigerating plant's energy consumption, and can not have the waste gas production of taking powder material, can not cause the pollution to the outside air. Wherein, the screened superfine powder has uniform particle size distribution, and is recycled to another small barrel after being independently cleaned, so that resources can be fully utilized.
The present invention can clean the separation device 1, wherein the first switching valve a, the second switching valve b, the fourth switching valve d, the fifth switching valve e and the sixth switching valve f are in a normally closed state during the initial state, and the cleaning process comprises the following steps:
1. cleaning the upper part of the separation device 1: the first switching valve a, the second switching valve b, the fourth switching valve d, the fifth switching valve e and the sixth switching valve f are in a normally closed state; operating the turnover mechanism 11 and opening the upper end of the separation device 1; starting a main induced draft fan 8, and forming equipment negative pressure at the upper end of the separation device 1; manually cleaning dust in the separation device 1 by using an air gun, wherein the dust flows into the recovery device through the first switching valve a;
2. clearing the lower part of the separation device 1: after cleaning the upper part of the separation device 1 is finished, closing the first switching valve a, opening the second switching valve b and the third switching valve c, and keeping the states of other valves unchanged; at the moment, negative pressure is formed at the lower end of the separation device 1; manually cleaning dust in the lower end of the separation device 1 by using an air gun, and enabling the dust to enter the recovery device through a second switching valve b and a third switching valve c;
3. cleaning the rotary screen 124: after the lower part of the separation device 1 is cleaned, the turnover mechanism 11 is operated, and the separation device 1 is closed; closing the first switching valve a and the second switching valve b, and opening a third switching valve c, a fourth switching valve d and a sixth switching valve f; at this time, negative pressure is formed in the rotary screen 124; manually cleaning dust in the rotary screen 124 by using an air gun, wherein the dust enters a dust collection channel through a sixth switching valve f, a third switching valve c and a fourth switching valve d;
4. after the three steps are cleaned, all the valves are restored to the original state, and the cleaning program is completed.
In summary, in the automatic separating and sorting equipment for powder materials of the present invention, through the cooperation of the separating device 1, the first filter group 2 and the second filter group 3, during production, the material in powder form after being milled and crushed is sucked into the first filter group 2 in the working state, and the second filter group 3 in the non-working state is cleaned; after cleaning the second filtering group 3 in the non-working state; the second filtering group 3 enters a working state, the suction material is ground and pulverized into powder material, and meanwhile, the first filtering group 2 enters a non-working state for cleaning. Namely, the first filtering group 2 and the second filtering group 3 work and clean alternately, the whole equipment can be in a working state all the time, and therefore, the production efficiency is high.
The above detailed description of the method and apparatus for automatically separating and sorting powder materials provided by the present invention is provided, and the principle and the implementation manner of the present invention are explained by using specific examples, and the above description of the examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, the present disclosure is only an embodiment of the present disclosure, and not intended to limit the scope of the present disclosure, and all equivalent structures or equivalent flow transformations made by using the present disclosure and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present disclosure, and should not be construed as limiting the present disclosure.
Claims (10)
1. An automatic separating and sorting method for powder materials, which is characterized by comprising the following steps:
the material which is ground and crushed into powder is sucked into the first filtering group in the working state, and the second filtering group in the non-working state is cleaned;
after the second filtering group in the non-working state is cleaned; the second filtering group enters a working state, the suction material is ground and pulverized into powdery material, and meanwhile, the first filtering group enters a non-working state for cleaning;
when the separating device is cleaned, in an initial state, the first switching valve, the second switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve are in a normally closed state, and the cleaning process is as follows:
cleaning the upper part of the separation device: the first switching valve, the second switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve are in a normally closed state;
operating the turnover mechanism and opening the upper end of the separation device;
starting a main induced draft fan, and forming equipment negative pressure at the upper end of the separation device;
cleaning dust in the separation device, wherein the dust flows into the recovery device through the first switching valve;
clearing the lower part of the separation device: after cleaning the upper part of the separation device is finished, closing the first switching valve, opening the second switching valve and the third switching valve, keeping the first switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve in a normally closed state, and forming negative pressure at the lower end of the separation device; cleaning dust in the lower end of the separation device, and enabling the dust to enter the recovery device through a second switching valve and a third switching valve;
cleaning the rotary screen part: after the lower part of the separation device is cleaned, the turnover mechanism is operated, and the separation device is closed; closing the first switching valve and the second switching valve, and opening a third switching valve, a fourth switching valve and a sixth switching valve; forming equipment negative pressure in the rotary screen; cleaning dust in the rotary screen, wherein the dust enters a dust collection channel through a sixth switching valve, a third switching valve and a fourth switching valve;
after the three steps are cleaned, all the valves are restored to the original state, and the cleaning program is completed.
2. The automatic separating and sorting method of powder materials according to claim 1, further comprising: the first filter group comprises at least one first filter unit, when the first filter group is in an operating state, gas mixed with powdery materials is sucked into a first cavity of the first filter unit, a first filter element in the first cavity filters the gas and then discharges the gas into a second cavity of the first filter element, and then the gas after being filtered is discharged from a first exhaust port of the first filter unit.
3. The automatic separating and sorting method of powder materials according to claim 2, further comprising: first filter bank is in during inoperative state, closes first filter unit first exhaust port blows in cleaning gas in the second cavity, makes cleaning gas via in first filter core gets into in the first cavity, in order to drive and is attached to on the first filter core be pulverous material and break away from first filter core breaks away from first filter core be pulverous material passes through the discharge of the first discharge gate that first filter unit bottom set up.
4. The automatic separating and sorting method of powder materials according to claim 2 or 3, further comprising: when first filter bank is in operating condition, via first filter core is held back in the first cavity be pulverous material passes through the first discharge gate that first filter unit bottom set up discharges.
5. The method for automatically separating and sorting powdery material according to any one of claims 1 to 3, wherein before the step of sucking the material in a powder form after the material is ground and pulverized into the first filtering group in an operating state and simultaneously cleaning the second filtering group in a non-operating state, the method further comprises the steps of: grind the material and smash the back and arrange into separator in, warp separator carries out the gas-solid separation back, will contain the gas that is powdered material and arrange in the first filter bank, will hold back in separator the material passes through in the aggregate opening of separator bottom discharges the case that gathers materials, establishes the recovery cover at the material collecting opening through the cover and hinders to be powdered material and follow the butt joint clearance between material collecting opening and the case that gathers materials is excessive, and will follow the excessive powdered material that is of butt joint clearance inhales in the recovery unit.
6. The automatic separating and sorting equipment for the powder materials is characterized by comprising a separating device, a first filtering group and a second filtering group; the separation device is in conductive connection with the first filtering group and the second filtering group and is used for carrying out gas-solid separation on the crushed materials; the first filter group comprises at least one first filter unit, and the first filter unit is in conduction connection with the separation device and is used for filtering gas containing powdery materials discharged by the separation device; the second filtering group comprises at least one second filtering unit, and the second filtering unit is in conduction connection with the separating device and is used for filtering the gas containing powdery materials discharged by the separating device; the automatic separating and sorting equipment for the powder materials comprises a first state and a second state, wherein the first filter group is in a working state in the first state, and the second filter group in a non-working state is cleaned at the same time; when the second state is in the second state, the second filtering group is in the working state, and the first filtering group in the non-working state is cleaned;
when the separating device is cleaned, in an initial state, the first switching valve, the second switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve are in a normally closed state, and the cleaning process is as follows:
cleaning the upper part of the separation device: the first switching valve, the second switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve are in a normally closed state;
operating the turnover mechanism and opening the upper end of the separation device;
starting a main induced draft fan, and forming equipment negative pressure at the upper end of the separation device;
cleaning dust in the separation device, wherein the dust flows into the recovery device through the first switching valve;
clearing the lower part of the separation device: after cleaning the upper part of the separation device is finished, closing the first switching valve, opening the second switching valve and the third switching valve, keeping the first switching valve, the fourth switching valve, the fifth switching valve and the sixth switching valve in a normally closed state, and forming negative pressure at the lower end of the separation device; cleaning dust in the lower end of the separation device, and enabling the dust to enter the recovery device through a second switching valve and a third switching valve;
cleaning the rotary screen part: after the lower part of the separation device is cleaned, the turnover mechanism is operated, and the separation device is closed; closing the first switching valve and the second switching valve, and opening a third switching valve, a fourth switching valve and a sixth switching valve; forming equipment negative pressure in the rotary screen; cleaning dust in the rotary screen, wherein the dust enters a dust collection channel through a sixth switching valve, a third switching valve and a fourth switching valve;
after the three steps are cleaned, all the valves are restored to the original state, and the cleaning program is completed.
7. The automatic separating and sorting equipment for the powder materials according to claim 6, wherein the first filtering unit comprises a sleeve, an end cover, a first filter element and a switch, a first air inlet and a first air outlet are arranged on the wall of the sleeve, the end cover is arranged at the first end face of the sleeve, a second air inlet is arranged on the end cover, the first filter element is inserted in the sleeve, a first cavity is formed between the first filter element and the sleeve, and the first air inlet is communicated with the first cavity and the separating device; a second cavity is formed in the first filter element, the second cavity is communicated with the first exhaust port and the second air inlet, and the switch movable cover is arranged on the first exhaust port.
8. The automatic powder material separating and sorting device according to claim 7, wherein the first filtering unit further comprises a material blocking ring, the second end of the sleeve is provided with a first material discharging opening, the material blocking ring is inserted into the second end of the sleeve, the first air inlet is arranged opposite to the material blocking ring, the outer peripheral surface of the first end of the material blocking ring is attached to the inner peripheral surface of the sleeve, a material discharging gap is formed between the second end of the material blocking ring and the inner peripheral surface of the sleeve, the first air inlet is located between the first material discharging opening and the first material discharging opening, and the material discharging gap is communicated with the first material discharging opening and the first cavity.
9. The automatic separating and sorting apparatus for powdery materials according to claim 7, further comprising a blower fan connected in communication with said second gas inlet for supplying a cleaning gas to said second gas inlet.
10. The automatic separating and sorting apparatus for powdery material according to any one of claims 6 to 9, further comprising a material suction and recovery device, wherein a collecting port is provided at a bottom of the separating device, and the collecting port is used for discharging the material in the separating device; the material collecting opening is covered with a recovery cover for preventing powdery materials from overflowing, and the recovery cover is inserted with a recovery pipe which is in conduction connection with the material suction recovery device.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3422093C2 (en) * | 1984-06-14 | 1986-07-24 | Mannesmann AG, 4000 Düsseldorf | Dedusting device |
| CN1006363B (en) * | 1985-06-20 | 1990-01-10 | 曼内斯曼股份公司 | Dedusting equipment |
| CN101972687A (en) * | 2010-10-09 | 2011-02-16 | 南京工业大学 | Preparation process of carbon molding powder |
| CN103285697A (en) * | 2013-05-22 | 2013-09-11 | 江苏新鹏重型机电制造有限公司 | Bag type dust collector |
| CN103816734B (en) * | 2014-02-28 | 2015-09-02 | 成都易态科技有限公司 | Gas filter system |
| CN103816735B (en) * | 2014-02-28 | 2015-12-02 | 成都易态科技有限公司 | Gas filter system and device |
| CN205495190U (en) * | 2016-02-01 | 2016-08-24 | 成都易态科技有限公司 | Filter cartridge type dust remover |
| CN206184165U (en) * | 2016-09-20 | 2017-05-24 | 派勒（天津）纳米技术有限公司 | Intelligent collection device of dry -type ball -milling system |
| CN206184550U (en) * | 2016-09-20 | 2017-05-24 | 派勒（天津）纳米技术有限公司 | Surge drum of dry -type ball -milling system |
| CN206199455U (en) * | 2016-11-09 | 2017-05-31 | 成都信达高分子材料有限公司 | Flour mill general assembly mechanism |
| CN206198899U (en) * | 2016-11-09 | 2017-05-31 | 成都信达高分子材料有限公司 | Reclaim dust removal cabinet |
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Effective date of registration: 20201202 Address after: No.40 Datang Village, Datang Village, Shilong Town, Xiangzhou County, Laibin City, Guangxi Zhuang Autonomous Region Patentee after: Wei Huaisheng Address before: 527225 Pengtang 55, Ganbu Village Committee, Chuanbu Town, Luoding City, Yunfu City, Guangdong Province Patentee before: Ye Qicai |