CN111715380A - Superfine micro-aggregate processing building station for concrete - Google Patents
Superfine micro-aggregate processing building station for concrete Download PDFInfo
- Publication number
- CN111715380A CN111715380A CN202010737060.7A CN202010737060A CN111715380A CN 111715380 A CN111715380 A CN 111715380A CN 202010737060 A CN202010737060 A CN 202010737060A CN 111715380 A CN111715380 A CN 111715380A
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- Prior art keywords
- dust collecting
- dimensional flow
- steel frame
- type steel
- building station
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- 239000004567 concrete Substances 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000000227 grinding Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011374 ultra-high-performance concrete Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0043—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being projected against a breaking surface or breaking body by a pressurised fluid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an ultrafine aggregate processing building station for concrete, which comprises a building station type steel frame, wherein a vertical shaft type high-pressure three-dimensional flow ultrafine grinding device, a sorting device and a dust collecting system are sequentially arranged on the building station type steel frame from a bottom layer to a top layer; a discharge port of the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment is connected with sorting equipment, and a feed port is connected with a buffer bin arranged on one side of the floor standing type steel frame through a feeding mechanism; the dust collecting port of the sorting equipment is connected with a dust collecting system through a dust collecting pipeline, and the bottom material port is connected with a material bin arranged at the bottom layer of the floor standing type steel frame. The invention arranges the crushing equipment at the bottom layer of the floor standing type steel frame, ensures the firmness and the stability of the floor standing type steel frame, simultaneously combines the sorting equipment and the dust collecting system, can realize the multi-stage crushing processing of the dust materials, and can realize the grading recovery through the sorting equipment, thereby realizing the continuous production of the dust materials.
Description
Technical Field
The invention relates to an ultrafine micro aggregate processing station for concrete, and belongs to the technical field of ultrafine micro aggregate processing equipment.
Background
At present, a large amount of dust materials are generated in a sand making production line, the dust materials are stone powder with the particle size of less than 0.075mm and other large-diameter material mixtures, the dust mixtures are uneven in thickness, too thick materials seriously affect the activity of concrete, the dust materials are generally considered as substances harmful to machine-made sand concrete, so that the national standard inside is strictly controlled, and even some places are washed with water, so that air separation equipment and dust removal equipment are generally adopted to collect the dust materials of various production points, particularly, in order to control the stone powder content of finished sand and avoid environmental pollution and pipe blockage caused by dust flying of the production line, the air speed is designed to be relatively high, the collected dust materials are thick, the collected materials can be blended into the concrete in a small amount, and the rest materials need to be manually found to be piled up and buried, so that not only great waste is caused, but also the environment is damaged, causing environmental pollution.
The existing concrete is generally divided into common concrete, high-performance concrete and ultrahigh-performance concrete, wherein the common concrete is concrete with aggregate porosity of 20-25%, the high-performance concrete is concrete with aggregate porosity of 10-15%, and the ultrahigh-performance concrete is concrete with aggregate porosity of less than 6%. However, the concrete structure cannot reach the service life estimated by the designer, and the concrete structure fails in advance. Therefore, the early damaged concrete structure needs to be repaired and reinforced by a large amount of manpower and material resources, which causes great economic loss and even causes great problems related to safety.
It can be seen that the utilization rate of dust materials generated in the prior sand making is low, and if the dust materials can be recycled and processed into ultrafine aggregates and put into the prior concrete for use, the porosity of the aggregates in the concrete can be greatly reduced, and the performance of the concrete can be improved.
However, the existing domestic process control technology falls behind, the product quality cannot be stable, large-scale ultrafine grinding equipment and fine grading equipment are lacked, and foreign imported equipment has complex structure and high cost, needs to be operated or controlled by professional workers, has high equipment failure rate, high maintenance cost and labor cost and insufficient practicability, and has small equipment processing capacity, low crushing energy utilization rate and complex process, thereby seriously limiting the recycling of dust materials.
Disclosure of Invention
In view of the above, the invention aims to provide a processing station for concrete ultrafine aggregates, which can overcome the defects of the prior art.
The purpose of the invention is realized by the following technical scheme:
a superfine aggregate processing building station for concrete comprises a building station type steel frame, wherein a vertical shaft type high-pressure three-dimensional flow superfine crushing device, a sorting device and a dust collecting system are sequentially arranged on the building station type steel frame from a bottom layer to a top layer; a discharge port of the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment is connected with sorting equipment, and a feed port is connected with a buffer bin arranged on one side of the floor standing type steel frame through a feeding mechanism; the dust collecting port of the sorting equipment is connected with a dust collecting system through a dust collecting pipeline, and the bottom material port is connected with a material bin arranged at the bottom layer of the floor standing type steel frame.
The feeding mechanism is a running belt conveyor or a screw feeder.
The vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment comprises a support fixedly connected to a building standing type steel frame, a cylinder is arranged on the support, a feed inlet at the top of the cylinder is connected to a buffer bin, and a discharge outlet at the bottom of the cylinder is connected with sorting equipment; a plurality of layers of three-dimensional flow crushing mechanisms are arranged in the barrel from top to bottom, and the bottoms of adjacent three-dimensional flow crushing mechanisms are connected through a negative pressure material channel.
The three-dimensional flow crushing mechanism comprises a main shaft assembly arranged at the axis of the cylinder body, and the main shaft assembly is connected with a driving device arranged at the outer side of the cylinder body; two or more than two layers of three-dimensional flow impeller rotor bodies are sequentially and fixedly connected to the main shaft assembly from top to bottom, and wear-resistant anvils are arranged around the periphery of the three-dimensional flow impeller rotor bodies.
The sorting equipment is a multistage serially connected winnowing device, a feed inlet of the winnowing device is connected with the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment, a dust collecting port at the top of the winnowing device is connected with a dust collecting system through a dust collecting pipeline, and a material port at the bottom of the winnowing device is connected with a corresponding material bin.
Compared with the prior art, the ultrafine aggregate processing station for the concrete disclosed by the invention can be sequentially provided with a vertical shaft type high-pressure three-dimensional flow ultrafine grinding device, a sorting device and a dust collecting system from the bottom layer to the top layer on the existing sand building station type steel frame; wherein, the discharge port of the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment is connected with the sorting equipment, and the feed port is connected with a buffer bin arranged at one side of the floor standing type steel frame through a feeding mechanism; the dust collecting port of the sorting equipment is connected with a dust collecting system through a dust collecting pipeline, and the bottom material port is connected with a material bin arranged at the bottom layer of the floor standing type steel frame. When the device is used, the small-particle-size dust materials and the fine aggregates stored in the buffer bin are quantitatively conveyed into the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment through the feeding mechanism, multi-stage grinding processing is realized in the vertical shaft type high-pressure three-dimensional flow ultrafine grinding, and then the materials are conveyed into the sorting equipment for step-by-step sorting, so that the ultrafine aggregates with different grades can be prepared.
The invention has the beneficial effects that:
(1) the invention arranges the crushing equipment at the bottom layer of the floor standing type steel frame to ensure the firmness and the stability of the floor standing type steel frame, and simultaneously combines the sorting equipment and the dust collecting system to realize the multi-stage crushing processing of the small-particle-size dust materials and the fine aggregates and the grading recovery through the sorting equipment to realize the continuous production of the dust materials.
(2) The method can be widely applied to stone powder recovery in the existing sand making production, greatly improves the utilization rate of dust materials, and the prepared superfine aggregate can be put into the existing concrete for use, so that the performance of the concrete is improved, and the method has good economic benefit and practicability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side schematic view of fig. 1.
Fig. 3 is a perspective view of fig. 1.
FIG. 4 is a schematic structural diagram of a vertical shaft type high pressure three-dimensional flow ultrafine grinding apparatus (embodiment one).
FIG. 5 is a schematic view showing the structure of a vertical shaft type high pressure three-dimensional flow ultrafine pulverizing apparatus (embodiment II).
Fig. 6 is a schematic view of the cross-sectional structure a-a in fig. 4.
Fig. 7 is a schematic structural view of a section B-B in fig. 4.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
As shown in fig. 1-3, an ultrafine aggregate processing building station for concrete comprises a building station type steel frame 1, wherein a vertical shaft type high-pressure three-dimensional flow ultrafine grinding device 2, a sorting device 3 and a dust collecting system 4 are sequentially arranged on the building station type steel frame 1 from the bottom layer to the top layer; a discharge port of the vertical shaft type high-pressure three-dimensional flow ultrafine grinding device 2 is connected with the sorting device 3, and a feed port is connected with a buffer bin 6 arranged on one side of the floor standing type steel frame through a feeding mechanism 5; the dust collecting port of the sorting device 3 is connected with the dust collecting system 4 through a dust collecting pipeline, and the bottom material port is connected with a material bin arranged at the bottom layer of the floor standing type steel frame.
The feeding mechanism 5 can be an operating belt conveyor or a screw feeder.
Referring to fig. 4-7, the vertical shaft type high-pressure three-dimensional flow ultrafine grinding device 2 comprises a support 21 fixedly connected to a standing steel frame 1, a cylinder 22 is arranged on the support 21, a feed inlet at the top of the cylinder 22 is connected to a buffer bin 6, and a discharge outlet at the bottom is connected to a sorting device 3; a plurality of layers of three-dimensional flow crushing mechanisms 23 are arranged in the cylinder 22 from top to bottom, and the bottoms of the adjacent three-dimensional flow crushing mechanisms 23 are connected through a negative pressure material channel 24.
The three-dimensional flow crushing mechanism 23 comprises a main shaft assembly 231 arranged at the axis of the cylinder 22, and the main shaft assembly 231 is connected with a driving device 232 arranged outside the cylinder 22; two or more layers of three-dimensional flow impeller rotor bodies 233 are sequentially and fixedly connected to the main shaft assembly 231 from top to bottom, and a wear-resistant anvil 234 is surrounded on the outer periphery of the three-dimensional flow impeller rotor bodies 233.
Referring to fig. 6-7, the inner wall of the wear-resistant anvil 234 is provided with a special-shaped structure 235, and after the material is thrown out at a high speed through the three-dimensional flow impeller rotor body 233, the material will impact the inner wall of the wear-resistant anvil 234 at a certain angle, so that the impact area and the wear resistance can be effectively increased and the material can be prevented from rebounding through the special-shaped structure on the inner wall of the wear-resistant anvil 234, and the crushing effect is better. The profile structure may specifically be a tooth-shaped structure, a cylindrical structure, a rectangular structure, or the like.
The driving device 232 is a single motor driving device, and is connected to a driving wheel mounted on the main shaft assembly 231 through a driving belt 236, and the driving device 232 drives the main shaft assembly 231 to rotate, so as to rotate the three-dimensional flow impeller rotor body 233.
Or the driving device 232 is a dual-motor driving device, the driving wheel on the main shaft assembly 231 is connected with the dual-motor driving device through two driving belts 236, and the main shaft assembly 231 is driven through the dual-motor driving device, so that the reliability is higher, and the processing capacity is stronger.
A dosing device 25 is provided at the top feed inlet of the barrel 22.
The sorting equipment 3 is a multistage serial winnowing device; the winnowing device can be a cyclone separator, the feed inlets of the cyclone separator are connected with a vertical shaft type high-pressure three-dimensional flow ultrafine grinding device 2, the dust collecting openings at the top of the cyclone separator are connected with a dust collecting system 4 through dust collecting pipelines, and the material openings at the bottom of the cyclone separator are connected with corresponding material bins and used for storing ultrafine aggregates with different grades.
The working process of the invention is as follows:
(1) storing the small-particle-size dust material and the fine aggregate in a buffer bin 6;
(2) the small-particle-size dust material and the fine aggregate are quantitatively fed into a vertical shaft type high-pressure three-dimensional flow ultrafine grinding device 2 through a feeding mechanism 5, firstly, in a first layer of three-dimensional flow grinding mechanism, a first layer of three-dimensional flow impeller rotor body 233 rotates at a high speed, and the material is thrown onto a wear-resistant anvil 234 at a high speed to realize primary grinding; under the action of gravity and negative pressure wind current, the crushed materials enter a second layer of three-dimensional flow crushing mechanism from the negative pressure material channel 24 for secondary crushing, and multistage crushing can be carried out by the analogy;
(3) and finally, discharging the finished product from a discharge port, and entering a multistage serial separation device 3 for step-by-step separation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the present invention.
Claims (5)
1. A superfine aggregate processing building station for concrete comprises a building station type steel frame (1), wherein a vertical shaft type high-pressure three-dimensional flow superfine crushing device (2), a sorting device (3) and a dust collecting system (4) are sequentially arranged on the building station type steel frame (1) from the bottom layer to the top layer; a discharge port of the vertical shaft type high-pressure three-dimensional flow ultrafine grinding equipment (2) is connected with the sorting equipment (3), and a feed port is connected with a buffer bin (6) arranged on one side of the floor standing type steel frame through a feeding mechanism (5); the dust collecting port of the sorting equipment (3) is connected with a dust collecting system (4) through a dust collecting pipeline, and the material port at the bottom of the sorting equipment is connected with a material bin arranged at the bottom layer of the floor standing type steel frame.
2. The ultrafine aggregate processing building station for concrete according to claim 1, wherein: the feeding mechanism (5) is an operation belt conveyor or a screw feeder.
3. The ultrafine aggregate processing building station for concrete according to claim 1, wherein: the vertical shaft type high-pressure three-dimensional flow ultrafine grinding device (2) comprises a support (21) fixedly connected to a building station type steel frame (1), a cylinder (22) is arranged on the support (21), a feed inlet at the top of the cylinder (22) is connected to a buffer bin (6), and a discharge outlet at the bottom of the cylinder is connected with a sorting device (3); a plurality of layers of three-dimensional flow crushing mechanisms (23) are arranged in the cylinder body (22) from top to bottom, and the bottoms of the adjacent three-dimensional flow crushing mechanisms (23) are connected through a negative pressure material channel (24).
4. The ultrafine aggregate processing building station for concrete according to claim 3, wherein: the three-dimensional flow crushing mechanism (23) comprises a main shaft assembly (231) arranged at the axis of the cylinder (22), and the main shaft assembly (231) is connected with a driving device (232) arranged outside the cylinder (22); two or more layers of three-dimensional flow impeller rotor bodies (233) are sequentially fixedly connected to the main shaft assembly (231) from top to bottom, and wear-resistant anvils (234) are arranged around the peripheries of the three-dimensional flow impeller rotor bodies (233).
5. The ultrafine aggregate processing building station for concrete according to claim 1, wherein: the sorting device (3) is a multistage serially connected winnowing device, a feed inlet of the winnowing device is connected with the vertical shaft type high-pressure three-dimensional flow ultrafine grinding device (2), a dust collecting port at the top of the winnowing device is connected with the dust collecting system (4) through a dust collecting pipeline, and a material outlet at the bottom of the winnowing device is connected with a corresponding material bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010737060.7A CN111715380A (en) | 2020-07-28 | 2020-07-28 | Superfine micro-aggregate processing building station for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010737060.7A CN111715380A (en) | 2020-07-28 | 2020-07-28 | Superfine micro-aggregate processing building station for concrete |
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| Publication Number | Publication Date |
|---|---|
| CN111715380A true CN111715380A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010737060.7A Pending CN111715380A (en) | 2020-07-28 | 2020-07-28 | Superfine micro-aggregate processing building station for concrete |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209454A (en) * | 2006-12-30 | 2008-07-02 | 上海德滨机械设备科技有限公司 | Building solid castoff specification regeneration system and method |
| DE202009013552U1 (en) * | 2009-10-07 | 2010-11-18 | Imro Maschinenbau Gmbh | Vertical separation unit with operating equipment arranged in floors for separating components from inhomogeneous material flows |
| CN203508177U (en) * | 2013-09-22 | 2014-04-02 | 南通新邦化工科技有限公司 | Stearate crushing device |
| CN204276105U (en) * | 2014-10-30 | 2015-04-22 | 上海杰弗朗机械设备有限公司 | Building formula sand system |
| CN212468429U (en) * | 2020-07-28 | 2021-02-05 | 贵州成智重工科技有限公司 | Superfine micro-aggregate processing building station for concrete |
-
2020
- 2020-07-28 CN CN202010737060.7A patent/CN111715380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209454A (en) * | 2006-12-30 | 2008-07-02 | 上海德滨机械设备科技有限公司 | Building solid castoff specification regeneration system and method |
| DE202009013552U1 (en) * | 2009-10-07 | 2010-11-18 | Imro Maschinenbau Gmbh | Vertical separation unit with operating equipment arranged in floors for separating components from inhomogeneous material flows |
| CN203508177U (en) * | 2013-09-22 | 2014-04-02 | 南通新邦化工科技有限公司 | Stearate crushing device |
| CN204276105U (en) * | 2014-10-30 | 2015-04-22 | 上海杰弗朗机械设备有限公司 | Building formula sand system |
| CN212468429U (en) * | 2020-07-28 | 2021-02-05 | 贵州成智重工科技有限公司 | Superfine micro-aggregate processing building station for concrete |
Non-Patent Citations (1)
| Title |
|---|
| 曾凡等: "矿物加工颗粒学", 31 August 1995, 中国矿业大学出版社, pages: 253 - 255 * |
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