CN117299551A - Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent - Google Patents
Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent Download PDFInfo
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- CN117299551A CN117299551A CN202310766480.1A CN202310766480A CN117299551A CN 117299551 A CN117299551 A CN 117299551A CN 202310766480 A CN202310766480 A CN 202310766480A CN 117299551 A CN117299551 A CN 117299551A
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- 239000000843 powder Substances 0.000 title claims abstract description 147
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000012216 screening Methods 0.000 title claims abstract description 45
- 239000010453 quartz Substances 0.000 title claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 27
- 230000008569 process Effects 0.000 abstract description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 31
- 239000006004 Quartz sand Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
Classifications
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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
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of quartz micropowder manufacturing, in particular to a preparation and screening integrated device and method for siliceous quartz micropowder for a fracturing propping agent, comprising a three-cylinder dryer, a three-separation type powder concentrator, a square vibrating screen, a fine powder warehouse and a collection warehouse; the three-separation type powder selecting machine comprises a connecting pipe, a powder selecting chamber, a fine powder discharging pipe, an air cylinder and an exhaust pipe, raw materials enter the three-cylinder dryer for drying, after the drying is finished, the raw materials enter the powder selecting chamber, quartz fine powder is divided into two specifications of more than 140 meshes and less than 140 meshes, the quartz fine powder enters the air cylinder through the fine powder discharging pipe, the fine powder is sent into a fine powder warehouse through a fine powder collecting device, and fine powder can be divided into three specifications of 70-140 meshes, 140-200 meshes and 200-300 meshes through adjustment of wind power and rotating speed; the materials with the meshes smaller than 140 mesh are winnowed and enter a square vibration screening machine for fine selection and classification, and fine powder with different specifications is respectively sent into different collecting libraries, so that the problem of high cost of the existing equipment in the process of producing quartz micro powder is solved.
Description
Technical Field
The invention relates to the technical field of quartz micropowder manufacturing, in particular to a preparation and screening integrated device and method for siliceous quartz micropowder for a fracturing propping agent.
Background
The production mode of the graded preparation of the domestic quartz micro powder is mainly crushing, cleaning, drying and sorting, the crushed quartz micro powder can be used as a product in engineering after being dried and sorted, wherein a vibrating screen is still commonly adopted in a sorting link to finish the processing of the quartz micro powder, the traditional method of completely producing and screening by means of the vibrating screen has a plurality of problems, firstly, when the quartz micro powder with different granularity is subjected to the vibrating screen, sand with larger granularity is easy to mix into fine particles, so that the strength of the quartz micro powder is uneven, the mesh number is different, and the product percent of pass is not up to standard; secondly, the vibrating screen screens the micro powder with smaller grain size, the yield is low, the efficiency is low, the screen is easy to block, the quartz micro powder is impacted with the screen continuously, the service life of the screen is reduced, the labor cost for replacing the screen is high, and the production efficiency is reduced; meanwhile, the existing sorting device cannot dry the crushed quartz micro powder, and a special dryer and lifting transmission equipment are required to be arranged for the sorting device, so that the occupied space of quartz micro powder production equipment is overlarge, the equipment operation rate is low, and the additional production cost is increased.
Disclosure of Invention
The invention aims to provide a preparation and screening integrated device and method for siliceous quartz micro powder for a fracturing propping agent, and aims to solve the problem of high cost of the conventional device in the process of producing the quartz micro powder.
In order to achieve the above purpose, in a first aspect, the present invention provides an integrated device for preparing and screening silica micro powder for fracturing propping agent, comprising a three-drum dryer, a three-separation powder concentrator, a square vibrating screen, a fine powder warehouse and a collecting warehouse;
the three-separation type powder selecting machine comprises a connecting pipe, a powder selecting chamber, a fine powder discharging pipe, an air cylinder and an exhaust pipe, wherein the connecting pipe is communicated with the three-cylinder drying machine and is positioned at the bottom of the three-cylinder drying machine, the powder selecting chamber is communicated with the connecting pipe and is positioned at one side of the connecting pipe, the fine powder discharging pipe is communicated with the powder selecting chamber and is positioned at one side of the powder selecting chamber, the air cylinder is communicated with the fine powder discharging pipe and is positioned at one side of the fine powder discharging pipe away from the powder selecting chamber, and the exhaust pipe is communicated with the three-cylinder drying machine and is positioned at one side of the three-cylinder drying machine.
The three-cylinder dryer comprises a dryer body, a feeding pipe and an air inlet pipe, wherein the dryer body is communicated with the connecting pipe and is positioned at the top of the connecting pipe, the feeding pipe is communicated with the dryer body and is positioned at the top of the dryer body, and the air inlet pipe is communicated with the dryer body and is positioned at one side of the dryer body close to the feeding pipe.
The three-cylinder dryer further comprises an exhaust pipe, wherein the exhaust pipe is communicated with the machine body and the exhaust pipe.
The square vibrating screen comprises a shell, a screening mechanism and a discharging pipe, wherein the shell is communicated with the powder selecting chamber and is positioned at the bottom of the powder selecting chamber, the screening mechanism is arranged in the shell, and the discharging pipe is arranged at the bottom of the shell.
The collecting warehouse comprises a waste warehouse, a coarse material finished product warehouse, a medium material finished product warehouse and a finished product warehouse, wherein the waste warehouse is arranged at one side, close to the discharging pipe, of the bottom of the shell, the coarse material finished product warehouse is arranged at one side, close to the waste warehouse, the medium material finished product warehouse is arranged at one side, far away from the waste warehouse, of the coarse material finished product warehouse, and the finished product warehouse is arranged at one side, far away from the coarse material finished product warehouse, of the medium material finished product warehouse.
In a second aspect, the invention also provides a preparation and screening method of siliceous quartz micropowder for fracturing propping agents, which comprises the following steps:
the raw materials are put into a three-cylinder dryer for drying;
the dried raw materials enter a powder selecting chamber;
dividing quartz micropowder into two specifications of more than 140 meshes and less than 140 meshes;
the fine powder is sent into a fine powder warehouse, and is separated again;
and (5) respectively conveying the fine powder with different specifications into different collection libraries by starting the square screening machine.
According to the integrated equipment and method for preparing and screening siliceous quartz micro powder for the fracturing propping agent, raw materials enter the three-cylinder dryer for drying, after the drying is completed, the raw materials enter the powder selecting chamber from the connecting pipe, quartz micro powder with larger granularity span range is divided into materials with two specifications of more than 140 meshes and less than 140 meshes, fine powder directly enters the air cylinder through the fine powder discharging pipe under the action of high-speed air flow, the fine powder is sent into the fine powder warehouse through the fine powder collecting device, and the fine powder can be divided into three specifications of 70-140, 140-200 and 200-300 meshes through adjustment of wind power and self-rotation speed; the materials smaller than 140 meshes enter the square vibration screening machine for fine selection and classification after being subjected to air separation, fine powder with different specifications is respectively sent into different collecting libraries, the three-cylinder drying machine is communicated with the three-separation type powder selecting machine, exhaust gas emission of a drying and powder selecting device can be met by properly expanding an exhaust port, the number of dust removal and tail gas collecting equipment is reduced, and the exhaust gas treatment capacity is reduced to the maximum extent. The elevator and the belt conveyor which are necessary for the existing quartz sand screening production are omitted, the space occupation area of production equipment is greatly reduced, and the space utilization rate and the running efficiency among the parts of the equipment are improved. The combination of the winnowing and screening processes can flexibly adjust the content separation of fine powder in the finished sand by adjusting the rotating speed of a rotor of the classifier and the air quantity of the system, so that the production efficiency of the square vibration screening machine is improved, the durability of a screen plate is prolonged, the service life is prolonged, and the production cost is reduced; the material granularity after the winnowing is even, and the qualified rate of the product selected by the square vibrating screen is high. And because the main component of the quartz sand dust is silicon dioxide, the invention has great threat to human health, so the integrated equipment does not need to be provided with material transfer points, thereby reducing dust emission and ensuring the safety of production environment. The drying device in the equipment comprehensively analyzes the advantages and disadvantages of the three-drum dryer in China on the basis of a horizontal single-drum dryer, and is a novel efficient rotary dryer which is developed successfully according to the particularities of quartz sand, and other materials. Can save energy by 30-40%. The powder selecting device adopts a three-separation type sorter, so that the comprehensive power consumption is obviously reduced in actual grading production, and the energy conservation and emission reduction are realized, thereby solving the problem of high cost of the existing equipment in the production of quartz micro powder.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of the overall structure of the integrated silica micropowder preparation and screening device for fracturing propping agents.
FIG. 2 is a flow chart of a method for preparing and screening siliceous silica micropowder for fracturing propping agent.
101-three-drum dryer, 102-three separation type powder concentrator, 103-square vibrating screen, 104-fine powder warehouse, 105-collecting warehouse, 106-connecting pipe, 107-powder selecting room, 108-fine powder discharging pipe, 109-wind drum, 110-exhaust pipe, 111-machine body, 112-feeding pipe, 113-wind inlet pipe, 114-exhaust pipe, 115-shell, 116-screening mechanism, 117-discharging pipe, 118-waste warehouse, 119-coarse material finished product warehouse, 120-medium material finished product warehouse and 121-finished product warehouse.
Detailed Description
Referring to fig. 1, the integrated equipment for preparing and screening silica micro powder for a fracturing propping agent comprises a three-cylinder dryer 101, a three-separation powder concentrator 102, a square vibrating screen 103, a fine powder warehouse 104 and a collecting warehouse 105; the three-drum dryer 101 comprises a machine body 111, a feeding pipe 112, an air inlet pipe 113 and an exhaust pipe 114, the square vibrating screen 103 comprises a shell 115, a screening mechanism 116 and a discharging pipe 117, the collecting warehouse 105 comprises a waste warehouse 118, a coarse material finished product warehouse 119, a medium material finished product warehouse 120 and a finished product warehouse 121, and the problem that the existing equipment is high in cost when quartz micro powder is produced is solved through the scheme.
For this embodiment, the three-split powder separator 102 includes a connection pipe 106, a powder selecting chamber 107, a fine discharging pipe 108, an air duct 109 and an exhaust pipe 110, the connection pipe 106 is communicated with the three-drum dryer 101 and is located at the bottom of the three-drum dryer 101, the powder selecting chamber 107 is communicated with the connection pipe 106 and is located at one side of the connection pipe 106, the fine discharging pipe 108 is communicated with the powder selecting chamber 107 and is located at one side of the powder selecting chamber 107, the air duct 109 is communicated with the fine discharging pipe 108 and is located at one side of the fine discharging pipe 108 far from the powder selecting chamber 107, the exhaust pipe 110 is communicated with the three-drum dryer 101 and is located at one side of the three-drum dryer 101, raw materials enter the three-drum dryer 101 for drying, after the drying is completed, the raw materials enter the powder selecting chamber 107 from the connection pipe 106, fine powders with a larger particle size range are divided into materials with a size larger than 140 mesh and a size smaller than 140 mesh, the fine powders can be directly transferred to the fine powders from the air duct 108 to a fine powder hopper with a fine powder collecting device with a high speed of 200-300 through the air duct 108, and a fine powder collecting device with a fine powder transferring speed of 200-300; the materials smaller than 140 meshes enter the square vibrating screen 103 after being subjected to winnowing for fine selection and classification, fine powder with different specifications is respectively sent into different collecting reservoirs 105, the three-cylinder dryer 101 is communicated with the three-separation type powder selecting machine 102, exhaust gas emission of a drying and powder selecting device can be met by properly expanding an exhaust port, the number of dust removal and tail gas collecting equipment is reduced, and the exhaust gas treatment capacity is reduced to the maximum extent. The elevator and the belt conveyor which are necessary for the existing quartz sand screening production are omitted, the space occupation area of production equipment is greatly reduced, and the space utilization rate and the running efficiency among the parts of the equipment are improved. The combination of the winnowing and screening processes can flexibly adjust the content separation of fine powder in the finished sand by adjusting the rotating speed of a rotor of a classifier and the air quantity of a system, so that the production efficiency of the square vibrating screen 103 is improved, the durability of a screen plate is prolonged, the service life is prolonged, and the production cost is reduced; the material granularity after the winnowing is even, and the qualified rate of the product selected by the square vibrating screen 103 is high. And because the main component of the quartz sand dust is silicon dioxide, the invention has great threat to human health, so the integrated equipment does not need to be provided with material transfer points, thereby reducing dust emission and ensuring the safety of production environment. The drying device in the equipment comprehensively analyzes the advantages and disadvantages of the three-drum dryer 101 in China on the basis of a horizontal single-drum dryer, and a novel high-efficiency rotary dryer is developed successfully according to the particularities of quartz sand, and other materials. Can save energy by 30-40%. The powder selecting device adopts a three-separation type sorter, so that the comprehensive power consumption is obviously reduced in actual grading production, and the energy conservation and emission reduction are realized, thereby solving the problem of high cost of the existing equipment in the production of quartz micro powder.
The machine body 111 is communicated with the connecting pipe 106 and is located at the top of the connecting pipe 106, the feeding pipe 112 is communicated with the machine body 111 and is located at the top of the machine body 111, the air inlet pipe 113 is communicated with the machine body 111 and is located at one side of the machine body 111, which is close to the feeding pipe 112, the exhaust pipe 114 is communicated with the machine body 111 and is communicated with the exhaust pipe 110, raw materials enter the machine body 111 through the feeding pipe 112 and are blown into hot air in the machine body 111 through the air inlet pipe 113, raw materials entering the machine body 111 are dried, the dried raw materials enter the powder selecting chamber 107 through the connecting pipe 106, and exhaust gas generated during operation of equipment can be discharged through cooperation of the exhaust pipe 114 and the exhaust pipe 110.
Secondly, the shell 115 is communicated with the powder selecting chamber 107 and is located at the bottom of the powder selecting chamber 107, the screening mechanism 116 is disposed in the shell 115, the discharging pipe 117 is disposed at the bottom of the shell 115, fine powder smaller than 140 meshes is sent into the screening mechanism 116 in the shell 115 for further sorting, and through the rotation of the screening mechanism 116, fine powder with different specifications is sent into different collecting libraries 105 through the discharging pipe 117.
Again, the waste bin 118 is disposed at a side of the bottom of the housing 115 near the discharging pipe 117, the coarse material finished product bin 119 is disposed at a side near the waste bin 118, the intermediate material finished product bin 120 is disposed at a side of the coarse material finished product bin 119 far from the waste bin 118, the intermediate material finished product bin 121 is disposed at a side of the intermediate material finished product bin 120 far from the coarse material finished product bin 119, materials smaller than 35 mesh are sent into the waste bin 118 from the discharging pipe 117 through sorting of the screening mechanism 116, materials of 35-50 mesh are directly sent into the coarse material finished product bin 119 from the discharging pipe 117, materials of 50-70 mesh are sent into the intermediate material finished product bin 120 through the discharging pipe 117, materials of 70-140 mesh are sent into the finished product bin 121 through the discharging pipe 117, and quartz micro powder larger than 140 mesh is directly sent into the fine powder bin 104 through a discharging hole disposed at a side of the powder selecting chamber 107.
According to the integrated equipment for preparing and screening the siliceous quartz micro powder for the fracturing propping agent, raw materials enter the three-cylinder dryer 101 for drying, after the drying is finished, the raw materials enter the powder selecting chamber 107 from the connecting pipe 106, quartz micro powder with larger granularity span range is divided into materials with two specifications of more than 140 meshes and less than 140 meshes, fine powder directly enters the air cylinder 109 through the fine powder discharging pipe 108 under the action of high-speed air flow, the fine powder is sent into the fine powder warehouse 104 from the fine powder collecting device, and the fine powder can be divided into three specifications of 70-140 meshes, 140-200 meshes and 200-300 meshes through the adjustment of wind power and rotational speed; the materials smaller than 140 meshes enter the square vibrating screen 103 after being subjected to winnowing for fine selection and classification, fine powder with different specifications is respectively sent into different collecting reservoirs 105, the three-cylinder dryer 101 is communicated with the three-separation type powder selecting machine 102, exhaust gas emission of a drying and powder selecting device can be met by properly expanding an exhaust port, the number of dust removal and tail gas collecting equipment is reduced, and the exhaust gas treatment capacity is reduced to the maximum extent. The elevator and the belt conveyor which are necessary for the existing quartz sand screening production are omitted, the space occupation area of production equipment is greatly reduced, and the space utilization rate and the running efficiency among the parts of the equipment are improved. The combination of the winnowing and screening processes can flexibly adjust the content separation of fine powder in the finished sand by adjusting the rotating speed of a rotor of a classifier and the air quantity of a system, so that the production efficiency of the square vibrating screen 103 is improved, the durability of a screen plate is prolonged, the service life is prolonged, and the production cost is reduced; the material granularity after the winnowing is even, and the qualified rate of the product selected by the square vibrating screen 103 is high. And because the main component of the quartz sand dust is silicon dioxide, the invention has great threat to human health, so the integrated equipment does not need to be provided with material transfer points, thereby reducing dust emission and ensuring the safety of production environment. The drying device in the equipment comprehensively analyzes the advantages and disadvantages of the three-drum dryer 101 in China on the basis of a horizontal single-drum dryer, and a novel high-efficiency rotary dryer is developed successfully according to the particularities of quartz sand, and other materials. Can save energy by 30-40%. The powder selecting device adopts a three-separation type sorter, so that the comprehensive power consumption is obviously reduced in actual grading production, and the energy conservation and emission reduction are realized, thereby solving the problem of high cost of the existing equipment in the production of quartz micro powder.
In a second aspect, referring to fig. 2, fig. 2 is a flow chart of a method for preparing and screening silica micro-powder for fracturing proppants according to the present invention.
The invention also provides a preparation and screening method of the siliceous quartz micro powder for the fracturing propping agent, which comprises the following steps:
s1, putting raw materials into a three-drum dryer 101 for drying;
the raw materials are sent into the machine body 111 through the feed pipe 112, and are dried by hot air blown into the machine body 111 through the air inlet pipe 113.
S2, feeding the dried raw materials into a powder selecting chamber 107;
the dried raw material enters the powder selecting chamber 107 through the connecting pipe 106.
S3, dividing the quartz micro powder into two specifications of more than 140 meshes and less than 140 meshes;
the large-particle quartz micro powder raw material is divided into two specifications of more than 140 meshes and less than 140 meshes in the powder selecting chamber 107.
S4, conveying the fine powder into a fine powder warehouse 104, and sorting the fine powder again;
the raw materials are sent into the fine powder warehouse 104 through the air duct 109 and are classified into three specifications of 70-140, 140-200 and 200-300 meshes again.
S5, respectively conveying the fine powder with different specifications into different collection libraries 105 by starting the square screening machine.
The materials with the meshes smaller than 35 are sent into a waste bin 118 through a discharge pipe 117 by starting a screening mechanism 116, the materials with the meshes between 35 and 50 are directly sent into a coarse material finished product bin 119 through the discharge pipe 117, the materials with the meshes between 50 and 70 are sent into a medium material finished product bin 120 for storage through the discharge pipe 117, the materials with the meshes between 70 and 140 are sent into a finished product bin 121 through the discharge pipe 117, and the quartz micro powder with the meshes larger than 140 is directly sent into a fine powder bin 104 for storage through a discharge hole arranged on one side of a powder selecting chamber 107.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.
Claims (6)
1. A preparation and screening integrated device for siliceous quartz micro powder for a fracturing propping agent is characterized in that,
comprises a three-cylinder dryer, a three-separation powder concentrator, a square vibrating screen, a fine powder warehouse and a collection warehouse;
the three-separation type powder selecting machine comprises a connecting pipe, a powder selecting chamber, a fine powder discharging pipe, an air cylinder and an exhaust pipe, wherein the connecting pipe is communicated with the three-cylinder drying machine and is positioned at the bottom of the three-cylinder drying machine, the powder selecting chamber is communicated with the connecting pipe and is positioned at one side of the connecting pipe, the fine powder discharging pipe is communicated with the powder selecting chamber and is positioned at one side of the powder selecting chamber, the air cylinder is communicated with the fine powder discharging pipe and is positioned at one side of the fine powder discharging pipe away from the powder selecting chamber, and the exhaust pipe is communicated with the three-cylinder drying machine and is positioned at one side of the three-cylinder drying machine.
2. The integrated equipment for preparing and screening siliceous quartz micropowder for fracturing propping agent according to claim 1, wherein the integrated equipment comprises a main body,
the three-cylinder dryer comprises a dryer body, a feeding pipe and an air inlet pipe, wherein the dryer body is communicated with the connecting pipe and is positioned at the top of the connecting pipe, the feeding pipe is communicated with the dryer body and is positioned at the top of the dryer body, and the air inlet pipe is communicated with the dryer body and is positioned at one side of the dryer body close to the feeding pipe.
3. The integrated equipment for preparing and screening siliceous quartz micropowder for fracturing propping agent according to claim 2, wherein the integrated equipment comprises a main body,
the three-cylinder dryer further comprises an exhaust pipe, wherein the exhaust pipe is communicated with the machine body and the exhaust pipe.
4. The integrated equipment for preparing and screening siliceous quartz micropowder for fracturing propping agent according to claim 3, wherein the integrated equipment comprises a main body,
the square vibrating screen comprises a shell, a screening mechanism and a discharging pipe, wherein the shell is communicated with the powder selecting chamber and is positioned at the bottom of the powder selecting chamber, the screening mechanism is arranged in the shell, and the discharging pipe is arranged at the bottom of the shell.
5. The integrated equipment for preparing and screening siliceous quartz micropowder for fracturing propping agent according to claim 4, wherein the integrated equipment comprises a main body,
the collection warehouse comprises a waste warehouse, a coarse material finished product warehouse, a medium material finished product warehouse and a finished product warehouse, wherein the waste warehouse is arranged at one side, close to the discharging pipe, of the bottom of the shell, the coarse material finished product warehouse is arranged at one side, close to the waste warehouse, the medium material finished product warehouse is arranged at one side, far away from the waste warehouse, of the coarse material finished product warehouse, and the finished product warehouse is arranged at one side, far away from the coarse material finished product warehouse, of the medium material finished product warehouse.
6. A method for preparing and screening siliceous quartz micropowder for a fracturing propping agent, which is applied to the siliceous quartz micropowder preparation and screening integrated equipment for the fracturing propping agent according to any one of claims 1-5, and comprises the following steps:
the raw materials are put into a three-cylinder dryer for drying;
the dried raw materials enter a powder selecting chamber;
dividing quartz micropowder into two specifications of more than 140 meshes and less than 140 meshes;
the fine powder is sent into a fine powder warehouse, and is separated again;
and (5) respectively conveying the fine powder with different specifications into different collection libraries by starting the square screening machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310766480.1A CN117299551A (en) | 2023-06-26 | 2023-06-26 | Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310766480.1A CN117299551A (en) | 2023-06-26 | 2023-06-26 | Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent |
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| CN117299551A true CN117299551A (en) | 2023-12-29 |
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| CN202310766480.1A Pending CN117299551A (en) | 2023-06-26 | 2023-06-26 | Siliceous quartz micro powder preparation and screening integrated equipment and method for fracturing propping agent |
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| CN215353288U (en) * | 2021-07-01 | 2021-12-31 | 上海大川原干燥设备有限公司 | Fine powder return tower reunion granulation device of pressure spray dryer |
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2023
- 2023-06-26 CN CN202310766480.1A patent/CN117299551A/en active Pending
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| CN113019648A (en) * | 2021-03-02 | 2021-06-25 | 合肥水泥研究设计院有限公司 | High-efficient preparation system of abandonment concrete regeneration sand powder |
| CN215353288U (en) * | 2021-07-01 | 2021-12-31 | 上海大川原干燥设备有限公司 | Fine powder return tower reunion granulation device of pressure spray dryer |
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