CN112044736A - Device for controlling content of artificial sandstone powder - Google Patents
Device for controlling content of artificial sandstone powder Download PDFInfo
- Publication number
- CN112044736A CN112044736A CN202010804935.0A CN202010804935A CN112044736A CN 112044736 A CN112044736 A CN 112044736A CN 202010804935 A CN202010804935 A CN 202010804935A CN 112044736 A CN112044736 A CN 112044736A
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- China
- Prior art keywords
- content
- controlling
- artificial
- flow
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 50
- 239000004576 sand Substances 0.000 claims abstract description 39
- 238000011010 flushing procedure Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004575 stone Substances 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 26
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
Landscapes
- Special Spraying Apparatus (AREA)
Abstract
The invention relates to a device for controlling the content of artificial sandstone powder, which comprises: the spray pipe is used for providing water for cleaning aggregate for the vibrating screen; the vibrating screen is positioned below the spray head of the spray pipe and used for vibrating and screening the aggregate to obtain artificial sand; the flow valve is arranged on a pipeline of the spray pipe and used for controlling the flushing flow; the vibrating feeder is used for conveying aggregate to the vibrating screen; and controlling the content of the stone powder in the artificial sand according to the adjustment of the feeding strength of the vibrating feeder and the flushing flow. The invention can adjust the flushing flow through the flow valve, thereby improving the accuracy of the stone powder content.
Description
Technical Field
The invention relates to the technical field of aggregate processing, in particular to a device for controlling the content of artificial sandstone powder.
Background
In large-scale hydroelectric engineering artificial aggregate processing systems, artificial sand is generally produced in a single or multiple workshops and then mixed into finished sand meeting fineness modulus and stone dust content. Taking medium sand as an example, the content of stone powder required by the hydropower engineering specification is generally 6% -18%, and because the grade and the function of concrete are different, the required content ratio of the stone powder has different requirements. The prior art can not quickly and accurately adjust the content of the artificial sandstone powder in production generally.
Disclosure of Invention
Based on this, the invention aims to provide a device for controlling the content of artificial sand powder, which is characterized in that a flow valve is added on a spraying water supply pipeline to realize the function of controlling the content ratio of various produced sand powders.
In order to achieve the purpose, the invention provides the following scheme:
an apparatus for controlling the content of artificial sandstone powder, comprising:
the spraying pipe is used for spraying water to the vibrating screen and cleaning aggregate;
the vibrating screen is positioned below the spray head of the spray pipe and used for vibrating and screening the aggregate to obtain artificial sand;
the flow valve is arranged on a pipeline of the spray pipe and used for controlling the flushing flow;
the vibrating feeder is used for improving the aggregate for the vibrating screen and controlling the feeding strength of the aggregate;
and controlling the content of the stone powder in the artificial sand according to the adjustment of the feeding strength of the vibrating feeder and the flushing flow.
Optionally, the relationship between the flushing flow and the stone dust content is as follows, given the strength of the feed: y is ax + b, y represents the flushing flow, x represents the stone dust content, a represents a first constant, and b represents a second constant.
Optionally, the flow valve is an electrically operated flow valve.
Optionally, the device further comprises a controller, the controller is electrically connected with the electric flow valve, and the controller is used for controlling the opening degree of the electric flow valve.
Optionally, the controller is connected to the electrokinetic flow valve by an optical fiber.
Optionally, the device further comprises a display, the display is connected with the controller, and the display is used for displaying the flushing flow and inputting the adjusted flushing flow.
Optionally, the flow valve is flanged to a conduit of the shower.
Optionally, the device further comprises a clean water pump, the clean water pump is connected with the spray pipe, and the clean water pump is used for supplying water to the spray pipe.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention discloses a device for controlling the content of artificial sand powder, which controls the content of the sand powder according to the feeding strength of a vibrating feeder and the flushing flow, increases a flow valve on a spraying water supply pipeline, and can adjust the flushing flow through the flow valve, thereby improving the accuracy of the content of the sand powder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of an apparatus for controlling the content of artificial sandstone powder according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection of an electric flow valve and a shower pipe according to an embodiment of the present invention;
FIG. 3 is a graph of stone dust content versus feed strength and wash flow for the examples of the invention;
fig. 4 is a schematic view of the installation of the clean water pump according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a device for controlling the content of artificial sandstone powder, which is characterized in that a flow valve is added on a spraying water supply pipeline to improve the accuracy of the content of the limestone powder.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the present invention discloses a device for controlling the content of artificial sandstone powder, comprising:
and the spray pipe 3 is used for spraying water to the vibrating screen 2 and cleaning aggregate.
And the vibrating screen 2 is positioned below the spray head of the spray pipe 3 and used for vibrating and screening the aggregate to obtain the artificial sand.
Wherein, the artificial sand refers to the aggregates screened at the bottom of the vibrating screen 2. A part of the aggregate leaked from the screen of the vibrating screen 2 is transferred to the sand basin 6.
And the electric flow valve 4 is arranged on a pipeline of the spray pipe 3 and used for controlling the flushing flow.
And the vibrating feeder 1 is used for conveying the aggregate for the vibrating screen 2.
And controlling the content of the stone powder in the artificial sand according to the adjustment of the feeding strength of the vibrating feeder 1 and the flushing flow.
The controller is connected with the electric flow valve 4 through optical fibers and is used for controlling the opening degree of the electric flow valve 4 so as to achieve the required flushing flow. The electric flow valve 4 is connected with the pipeline flange of the spray pipe 3, and as shown in figure 2, the electric flow valve 4 is connected with the spray pipe 3 through a flange 8. The pipeline flow of the spray pipe 3 meets the washing strength requirement of 6 percent of stone powder content ratio under the maximum feeding strength.
The clean water pump is connected with the spray pipe 3 and is used for supplying water to the spray pipe 3.
And (3) carrying out artificial sand production under the conditions of different feeding strengths and different opening degrees of the electric flow valve 4, and calculating the content of artificial sand stone powder to form relational data of the stone powder content and the flushing flow under the conditions of different feeding strengths. Wherein, the formula for calculating the content of the artificial sandstone powder is as follows: q ═ G (G-G)A) 100% of/G, wherein: q represents the content of stone powder in the sand material; g represents the quality of the dried sand sample before the test; gAThe mass of the dried sand sample with the diameter larger than 0.16mm after screening is shown.
5 vibrating feeders 1 are arranged in a gallery of the semi-finished product storage site, and can realize feeding in a subarea manner. Although the single vibrating feeder and the two vibrating feeders can produce the artificial sand with different stone powder content ratios, the yield of the artificial sand cannot meet the supply requirement; the four vibrating feeders exceed the design load in the fully-opened state, and the risk of equipment failure is high. The production of artificial sand with 10% -15% stone dust content is carried out in the state of full opening of three feeding openings, and the obtained data is shown in table 1 no matter the yield and quality are the most economic working conditions.
TABLE 1 relationship table of stone powder content, feeding strength and flushing flow
In Table 1, y represents the flushing flow rate and x represents the stone powder content. The single machine, the double machine and the three machines respectively start 1, 2 and 3 vibrating feeders. A graph of relationship between the stone dust content, the feed strength and the flushing flow rate corresponding to table 1 is shown in fig. 3, wherein the abscissa of fig. 3 represents the stone dust content and the ordinate represents the flushing flow rate. Wherein S1 represents a curve chart of stone dust content and washing flow under the feeding condition of 1 vibration feeder. S2 shows a curve graph of stone powder content and washing flow under the feeding condition of 2 vibrating feeders. S3 shows a curve graph of stone powder content and washing flow under the feeding condition of 3 vibrating feeders.
According to the data in Table 1 and FIG. 3, water supply 400m was used at low production intensity3The first clean water pump with the head H of 60m is uneconomical to supply water, and 1 water supply quantity is increased by 220m3And H, a second clean water pump with the head H equal to 50m is connected as shown in fig. 4, the end part of the spray pipe 3 is connected with a first clean water pump 71 and a second clean water pump 72, and the first clean water pump 71 and the second clean water pump 72 pump water from the cleaning pool 7.
The spraying and flushing flow is less than 220m and is adjusted according to the production intensity of different stone powder content ratios3When h is needed, the second clean water pump is automatically started and is larger than 220m3When h is needed, the first clean water pump is started by skipping), such as setting the flushing flow or adjusting the flushing flow to be more than 220m3When the flow rate is more than 220m, the controller automatically controls the first clean water pump to be started, otherwise, the set flow rate flushing flow rate or the adjusted flushing flow rate is less than or equal to 220m3And when the second clear water pump is started, the controller automatically controls the jump to start the second clear water pump. Wherein the controller is a computer in the central control room.
The related data in the table 1 are input into a central control room computer (a program carried by an electric flow valve manufacturer is installed in the computer, and the operation interface modes comprise 1, automatically adjusting the opening according to the set flow rate and 2, automatically adjusting the flow rate according to the required opening rate), and the obtained technical parameters are input for production according to the requirements of customers on artificial sand with different stone powder content ratios. Such as: if artificial sand with 11.5 percent of stone powder content needs to be produced, the parameters can be set as follows: 3 vibrating feeders, the content of the stone powder is 11.5 percent, and the flow value is calculated to be 168.4m according to the corresponding regression equation3And/h, production. After the production is started, the flushing flow can be manually adjusted on a software interface of a computer in a central control room according to the actual measurement and detection result of the content of the finished sand powder (manually adjusted on the computer)Upper adjustment), implementation mode 1: pressing the set 5m key through the "+" or "-" key on the flow control interface of the computer software in the central control room3H is incremented or decremented; implementation mode 2: directly inputting adjusted flow data on a flow control interface through computer software of a central control room, if 158 is input, 158 indicates that the set flushing flow is 158m3/h。
The operation flow of the device for controlling the content of the artificial sandstone powder comprises the following steps:
firstly, semi-finished aggregate is discharged onto a belt conveyor B1 through a 1# to 5# vibrating feeder 1, and then conveyed to the top of a 1# and 2# vibrating screen 2 through a belt conveyor B1 for separation and screening.
The vibrating screen 2 and the spray pipe 3 at the top of the vibrating screen 2 are synchronously opened, aggregate needing to be screened is screened and cleaned, the aggregate screened at the bottommost part of the vibrating screen 2 is artificial sand, and part of the aggregate leaked from the screen of the vibrating screen 2 is conveyed to the sand settling tank 6.
The artificial sand of the screened residual part at the bottom of the vibrating screen 2 is cleaned again by the spiral sand washer 5 and then enters a finished product sand storage yard through a belt conveyor B2 and a belt conveyor B3.
During operation, the vibrating feeder 1, the vibrating screen 2, the spraying pipe 3 and the flow valve 4 are opened by controlling through a computer of a central control room.
The artificial sand finished product storage yard is provided with 3 stockpiling areas for stocking three kinds of artificial sand with different stone powder contents.
The invention discloses a device for controlling the content of artificial sand powder, which controls the content of the sand powder according to the feeding strength of a vibrating feeder and the flushing flow, increases a flow valve on a spraying water supply pipeline, and can adjust the flushing flow through the flow valve, thereby improving the accuracy of the content of the sand powder.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the core concepts 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 view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a control artifical sandstone powder content's device which characterized in that includes:
the spraying pipe is used for spraying water to the vibrating screen and cleaning aggregate;
the vibrating screen is positioned below the spray head of the spray pipe and used for vibrating and screening the aggregate to obtain artificial sand;
the flow valve is arranged on a pipeline of the spray pipe and used for controlling the flushing flow;
the vibrating feeder is used for improving the aggregate for the vibrating screen and controlling the feeding strength of the aggregate;
and controlling the content of the stone powder in the artificial sand according to the adjustment of the feeding strength of the vibrating feeder and the flushing flow.
2. The apparatus for controlling the content of artificial sandstone powder of claim 1, wherein the relationship between the flushing flow and the content of the sandstone powder is as follows, under the given intensity of the feed material: y is ax + b, y represents the flushing flow, x represents the stone dust content, a represents a first constant, and b represents a second constant.
3. The apparatus according to claim 1, wherein the flow valve is an electric flow valve.
4. The apparatus for controlling the content of artificial sandstone powder of claim 3, further comprising a controller, wherein the controller is electrically connected with the electric flow valve, and the controller is used for controlling the opening degree of the electric flow valve.
5. The apparatus for controlling the content of artificial sandstone powder of claim 4, wherein the controller is connected with the electric flow valve through an optical fiber.
6. The apparatus for controlling the content of artificial sandstone powder of claim 4, further comprising a display, wherein the display is connected with the controller, and the display is used for displaying the flushing flow and inputting the adjusted flushing flow.
7. The apparatus for controlling the content of artificial sandstone powder of claim 1, wherein the flow valve is connected with a pipeline flange of the spray pipe.
8. The device for controlling the content of the artificial sandstone powder as claimed in claim 1, further comprising a clean water pump, wherein the clean water pump is connected with the spray pipe, and is used for supplying water to the spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804935.0A CN112044736A (en) | 2020-08-12 | 2020-08-12 | Device for controlling content of artificial sandstone powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804935.0A CN112044736A (en) | 2020-08-12 | 2020-08-12 | Device for controlling content of artificial sandstone powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112044736A true CN112044736A (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010804935.0A Pending CN112044736A (en) | 2020-08-12 | 2020-08-12 | Device for controlling content of artificial sandstone powder |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134226A (en) * | 2007-10-17 | 2008-03-05 | 中国水利水电第九工程局 | Intelligentized control technology of the semi- dry type manufactured sand production technology |
| CN102923980A (en) * | 2012-11-08 | 2013-02-13 | 中国长江三峡集团公司 | Method and system for water-power engineering mixing sand making |
| CN105032599A (en) * | 2015-06-02 | 2015-11-11 | 山推楚天工程机械有限公司 | Novel device and method for separating sand and stone from concrete |
| CN107377193A (en) * | 2017-08-29 | 2017-11-24 | 遵义同兴源建材有限公司 | A kind of sandstone aggregate production gumming and water wash system |
| CN110302879A (en) * | 2019-05-20 | 2019-10-08 | 中铁十二局集团有限公司 | A kind of mechanism sandstone high-efficiency water-saving cleaning process units |
| CN209829703U (en) * | 2019-04-25 | 2019-12-24 | 中国矿业大学 | Building aggregate desliming device |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| KR102138869B1 (en) * | 2019-12-31 | 2020-07-28 | 최재호 | System for assorting gravels and sand |
-
2020
- 2020-08-12 CN CN202010804935.0A patent/CN112044736A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134226A (en) * | 2007-10-17 | 2008-03-05 | 中国水利水电第九工程局 | Intelligentized control technology of the semi- dry type manufactured sand production technology |
| CN102923980A (en) * | 2012-11-08 | 2013-02-13 | 中国长江三峡集团公司 | Method and system for water-power engineering mixing sand making |
| CN105032599A (en) * | 2015-06-02 | 2015-11-11 | 山推楚天工程机械有限公司 | Novel device and method for separating sand and stone from concrete |
| CN107377193A (en) * | 2017-08-29 | 2017-11-24 | 遵义同兴源建材有限公司 | A kind of sandstone aggregate production gumming and water wash system |
| CN209829703U (en) * | 2019-04-25 | 2019-12-24 | 中国矿业大学 | Building aggregate desliming device |
| CN110302879A (en) * | 2019-05-20 | 2019-10-08 | 中铁十二局集团有限公司 | A kind of mechanism sandstone high-efficiency water-saving cleaning process units |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| KR102138869B1 (en) * | 2019-12-31 | 2020-07-28 | 최재호 | System for assorting gravels and sand |
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Application publication date: 20201208 |
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