CN116550602A - Winnowing powder removing machine - Google Patents
Winnowing powder removing machine Download PDFInfo
- Publication number
- CN116550602A CN116550602A CN202310590203.XA CN202310590203A CN116550602A CN 116550602 A CN116550602 A CN 116550602A CN 202310590203 A CN202310590203 A CN 202310590203A CN 116550602 A CN116550602 A CN 116550602A
- Authority
- CN
- China
- Prior art keywords
- powder removing
- winnowing
- air separation
- powder
- removing machine
- 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 104
- 238000000926 separation method Methods 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 44
- 239000004576 sand Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000004575 stone Substances 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 2
- 238000010410 dusting Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 17
- 238000012216 screening Methods 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- 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
- B07B11/06—Feeding or discharging arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a winnowing powder removing machine, which relates to the technical field of building material production and aims to solve the problems that the existing powder selecting is finished product screening and then powder removing treatment is carried out, the screening effect cannot be controlled, fine sand and dust block sieve holes during screening due to the requirement of fine sand on the mesh of a screen mesh, the sand making effect is affected, excessive return materials are caused, the dust content is too high, raw material waste is caused, and the powder removing effect is poor, and the winnowing powder removing machine comprises the following components: the right part of the wind pressure chamber is in butt joint with an air pipe, and the tail end of the air pipe is in butt joint with a high-pressure fan; the inside of the wind pressure chamber is a closed space, and the upper part of the wind pressure chamber is separated from the air separation powder removing machine through an air separation baffle plate. According to the invention, the wind pressure chamber and the winnowing powder removing chamber are arranged into an integrated structure, so that the powder removing treatment before screening and grading of the sand and stone crushed materials is realized, the screening efficiency is improved, and the method is simple and convenient.
Description
Technical Field
The invention relates to the technical field of building material production, in particular to a winnowing and powder removing machine.
Background
The existing machine-made sand production is to take stone with larger grain size as raw material to produce finished aggregate with different specifications. The finished aggregate can meet the application requirements of concrete and dry powder mortar, is used for making up increasingly reduced natural sand stone, reducing the production cost of building materials such as concrete and the like, and different industries need sand raw materials with different particle sizes, and can be divided into three materials of coarse, medium and fine materials, and fine sand contains dust with fine particle sizes generated in the sand making process. The excessive dust can affect the service performance of the sand, but the dust cannot be completely removed, otherwise, the waste of raw materials is caused. Fines of different dust content may be required for different industry needs.
The existing dry sand production process comprises the following steps: the stone raw material is conveyed to the sand making machine through the lifting machine to be crushed and shaped and then is classified through the screening machine, sand meeting requirements is conveyed to the powder selecting machine to be subjected to powder selecting treatment through screening discharging, unsatisfactory stones are returned to the sand making machine through the conveying device to be crushed and shaped again, dust generated by the sand making production line is subjected to dust removing treatment through the dust removing pipeline, but the existing powder selecting is carried out on the screening finished product and then is subjected to powder removing treatment, the screening effect cannot be controlled, because of the demand of fine sand, the mesh of the screen mesh is required, fine sand and dust block the screen holes during screening, the sand making effect is affected, too much return materials are caused, the dust content is too high, the raw material is wasted, and the powder removing effect is poor.
Disclosure of Invention
In view of the above, the invention provides a winnowing powder removing machine, which aims to solve the problems that the existing powder selecting is finished product screening and then powder removing treatment is carried out, the screening effect cannot be controlled, fine sand and dust block the screen holes during screening due to the requirement of fine sand on the mesh of a screen, the sand making effect is affected, too much return materials are caused, the dust content is too high, raw material waste is caused, and the powder removing effect is poor.
The invention provides a winnowing powder removing machine, which specifically comprises: the right part of the wind pressure chamber is in butt joint with an air pipe, and the tail end of the air pipe is in butt joint with a high-pressure fan; the inside of the wind pressure chamber is a closed space, and the upper part of the wind pressure chamber is separated from the air separation powder removing machine through an air separation baffle plate; the air separation and powder removal chamber is arranged at the left upper part of the air separation and powder removal machine box body, the upper part of the air separation and powder removal machine box body is provided with a feed inlet, a dust collection pipeline and an overhaul port, the lower part of the air separation and powder removal machine box body is provided with a discharge port, and the air separation and powder removal machine box body is provided with two operation observation ports which are bilaterally symmetrical and correspond to the air pressure chamber and the area where the air separation and powder removal chamber is arranged.
Optionally, the winnowing baffle is set up by upper right side direction left side below slope, and the right-hand member top of winnowing baffle corresponds the right port limit department of feed inlet, and the left end of winnowing baffle corresponds to be connected in the right port limit department of discharge gate.
Optionally, the winnowing separator consists of a block of wear-resistant steel plate, and a cm inclined seam is reserved between the steel plates.
Optionally, inverted V-shaped material separation baffles with uniform intervals are installed on each steel plate.
Optionally, the dust collection pipeline is positioned at the top of the left end of the air separation and powder removal chamber.
Optionally, a sampling port is arranged at the middle part of the side wall of the air separation and powder removal machine box body at the left side of the air separation and powder removal chamber.
Optionally, the air pressure difference between the air pressure chamber and the air separation and dust removal chamber is utilized to blow up the dust uniformly paved in the sand and stone materials of the air separation partition plate by the pressure difference air flow sprayed out from the inclined slits of the air separation partition plate, and the dust collection pipeline is used for collecting the dust.
Advantageous effects
1. According to the invention, the wind pressure chamber and the winnowing powder removing chamber are arranged into an integrated structure, so that the powder removing treatment before screening and grading of the sand and stone crushed materials is realized, the screening efficiency is improved, and the method is simple and convenient.
2. The invention discloses a pneumatic separation powder removing chamber, which consists of a left upper part of a box body, wherein a rectangular feeding hole is formed in the upper part of the pneumatic separation powder removing chamber, a powder separating baffle is arranged on a pneumatic separation baffle plate, so that materials are uniformly paved on the pneumatic separation baffle plate, sand grains with larger particles contained in the materials blown by high-pressure air flow of a wind pressure chamber are settled at a discharging hole of a pneumatic separation powder removing machine under the action of gravity, and the dust with smaller particles is collected by a dust collecting pipeline at the upper part of the pneumatic separation powder removing machine to achieve the powder removing effect.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a left-hand structural schematic of an embodiment of the present invention.
Fig. 3 is a schematic top view of a high-pressure fan according to an embodiment of the present invention in a removed state.
List of reference numerals
1. A wind pressure chamber; 2. winnowing and powder removing chamber; 3. a high-pressure fan; 4. an air duct; 5. a feed inlet; 6. a dust collection pipeline; 7. an access opening; 8. an observation port; 9. winnowing the baffle; 10. a material distributing baffle; 11. and a discharge port.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Examples: please refer to fig. 1 to 3:
the invention provides a winnowing powder removing machine, which comprises a wind pressure chamber 1 and a winnowing powder removing chamber 2, wherein the wind pressure chamber 1 is arranged in the lower right half chamber of the winnowing powder removing machine box body, the right part of the wind pressure chamber 1 is in butt joint with an air pipe 4, and the tail end of the air pipe 4 is in butt joint with a high-pressure fan 3; the inside of the wind pressure chamber 1 is a closed space, and the upper part of the wind pressure chamber 1 is separated from the air separation powder removing machine 2 through an air separation baffle 9; the air separation and powder removal chamber 2 is arranged at the left upper part of the air separation and powder removal machine box body, the upper part of the air separation and powder removal machine box body is provided with a feed inlet 5, a dust collection pipeline 6 and an overhaul port 7, the lower part of the air separation and powder removal machine box body is provided with a discharge outlet 11, two operation observation ports 8 which are bilaterally symmetrical are arranged on the air separation and powder removal machine box body, the two operation observation ports 8 respectively correspond to the air pressure chamber 1 and the area of the air separation and powder removal chamber 2, the air pressure chamber 1 is enabled to reach the air pressure of 1000-1500Pa through the air supply of the high-pressure fan 3, the high-pressure air flow of the air pressure chamber 1 blows up sand grains of larger particles contained in the materials under the action of gravity to be settled at the discharge outlet 1 of the air separation and powder removal machine, and the dust of smaller particles is collected through the dust collection pipeline 6 at the upper part of the air separation and powder removal machine to achieve the powder removal effect.
Wherein, the winnowing baffle 9 is by upper right side orientation left side below slope setting, the right-hand member top of winnowing baffle 9 corresponds the right port limit department of feed inlet 5, the left end of winnowing baffle 9 corresponds to be connected in the right port limit department of discharge gate 11, utilize with the selection by winnowing to take off the powder room 2 between the differential pressure, reach the powder effect of taking off under the jetting of differential pressure air current, and control the differential pressure of amount of wind and wind pressure through the variable frequency of high-pressure fan 3, control the differential pressure of wind of selection by winnowing to take off powder room 2 through the dust collecting fan frequency conversion, the interdynamic control amount of wind of both sides fan comes the accurate powder volume of controlling the powder, reach the demand of different powder contents.
Wherein, the winnowing baffle 9 comprises 12 wear-resisting steel plates, reserve 2 cm's inclined slit between steel plate and the steel plate, the dust in the grit material that the high-pressure air current was blown up winnowing baffle 9 passed through by the blowout among the slit.
Wherein, install the distribution baffle 10 of the form of falling V of interval uniformity on every steel sheet to in order to reach the purpose of evenly spreading the grit of flowing, make the material evenly spread on selection by winnowing baffle 9, improved the contact surface, improved the powder efficiency that takes off, and accurately control the powder volume through controlling blast air volume and dust collection amount of wind, obtain the finished fine sand of different powder contents.
Wherein, the dust collection pipeline 6 is positioned at the top of the left end of the winnowing and powder removing chamber 2 so as to facilitate dust collection treatment.
Wherein, the winnowing is taken off powder room 2 left winnowing and is taken off powder quick-witted box lateral wall middle part and lean on the department to be equipped with the sample connection, so that take a sample the detection, observe and take off the powder effect.
Wherein, utilize the wind pressure difference between wind pressure room 1 and the selection by winnowing powder removal room 2, make the pressure difference air current blowout between the inclined slot of selection by winnowing baffle 9 blow up the dust of evenly spreading in selection by winnowing baffle 9 grit material, dust collection pipe 6 packs up the dust to reach the effect of taking off the powder.
Specific use and action of the embodiment: in the use process of the invention, the air separation powder removing chamber 2 is arranged at the left upper part of the air separation powder removing machine box body, the upper part of the air separation powder removing machine box body is provided with a feed inlet 5, a dust collecting pipeline 6 and an overhaul port 7, the lower part of the air separation powder removing machine box body is provided with a discharge port 11, two operation observation ports 8 which are bilaterally symmetrical are arranged on the air separation powder removing machine box body, the two operation observation ports 8 respectively correspond to the areas of the air pressure chamber 1 and the air separation powder removing chamber 2, the air pressure chamber 1 is enabled to reach the air pressure of 1000 Pa to 1500Pa through the air supply of the high-pressure fan 3, the sand grains with larger particles contained in the high-pressure air flow of the air pressure chamber 1 blown up the materials are settled at the discharge port 1 of the air separation powder removing machine under the action of gravity, the air separation baffle 9 consists of 12 abrasion-resistant steel plates, 2cm inclined slits are reserved between the steel plates, the high-pressure air flow is blown out from the gaps to blow up dust in the sand stone materials passing through the air separation baffle 9, and each steel plate is provided with a reversed V-shaped material separating baffle 10 with uniform intervals so as to achieve the aim of uniformly spreading flowing sand and stone, so that materials are uniformly spread on the winnowing baffle 9, the contact surface is improved, the powder removing efficiency is improved, the powder control amount is precisely controlled by controlling the blasting air quantity and the dust collection air quantity to obtain finished fine sand with different powder contents, meanwhile, the winnowing baffle 9 is obliquely arranged from the upper right to the lower left, the upper right end of the winnowing baffle 9 corresponds to the right port of the feeding hole 5, the left end of the winnowing baffle 9 corresponds to the right port of the discharging hole 11, the powder removing effect is achieved under the blowing of differential pressure air flow by utilizing the differential pressure between the winnowing powder removing chambers 2, the differential pressure of the air quantity and the air pressure is controlled through the frequency conversion of the high-pressure fan 3, the differential pressure of the winnowing powder removing chambers 2 is controlled through the frequency conversion of the dust collection fan, the interactive control air quantity of the fans on two sides is used for precisely controlling the powder quantity of the powder removed, the dust with smaller particles is collected by a dust collection pipeline 6 at the upper part of the winnowing powder removing machine, so as to achieve the powder removing effect.
Claims (7)
1. The utility model provides a selection by winnowing powder machine, includes wind pressure room (1) and selection by winnowing powder room (2), its characterized in that: the right part of the wind pressure chamber (1) is in butt joint with an air pipe (4) in the right lower half chamber of the winnowing and powder removing machine box body, and the tail end of the air pipe (4) is in butt joint with a high-pressure fan (3); the inside of the wind pressure chamber (1) is a closed space, and the upper part of the wind pressure chamber (1) is separated from the wind separation powder removing machine (2) through a wind separation baffle plate (9); the air separation powder removing chamber (2) is arranged at the left upper part of the air separation powder removing machine box body, the upper part of the air separation powder removing machine box body is provided with a feed inlet (5), a dust collecting pipeline (6) and an overhaul port (7), the lower part of the air separation powder removing machine box body is provided with a discharge port (11), two operation observation ports (8) which are bilaterally symmetrical are arranged on the air separation powder removing machine box body, and the two operation observation ports (8) respectively correspond to the air pressure chamber (1) and the area where the air separation powder removing chamber (2) is arranged.
2. A winnowing and powder removing machine as claimed in claim 1, wherein: the air separation partition plate (9) is obliquely arranged from the upper right to the lower left, the upper right end of the air separation partition plate (9) corresponds to the right port side of the feed inlet (5), and the left end of the air separation partition plate (9) is correspondingly connected to the right port side of the discharge port (11).
3. A pneumatic de-dusting machine according to claim 2, wherein: the winnowing separation plate (9) consists of 12 wear-resistant steel plates, and a 2cm inclined seam is reserved between the steel plates.
4. A pneumatic de-dusting machine according to claim 3, wherein: and each steel plate is provided with inverted V-shaped material separating baffles (10) with uniform intervals.
5. A winnowing and powder removing machine as claimed in claim 1, wherein: the dust collection pipeline (6) is positioned at the top of the left end of the winnowing and powder removing chamber (2).
6. A winnowing and powder removing machine as claimed in claim 1, wherein: the middle part of the side wall of the air separation powder removing machine box body at the left side of the air separation powder removing chamber (2) is provided with a sampling port.
7. A winnowing and powder removing machine as claimed in claim 1, wherein: and the pressure difference between the wind pressure chamber (1) and the winnowing and powder removing chamber (2) is utilized to blow up the dust uniformly paved in the sand and stone materials of the winnowing baffle plate (9) by the pressure difference airflow sprayed out from the oblique seams of the winnowing baffle plate (9), and the dust collecting pipeline (6) is used for collecting the dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310590203.XA CN116550602A (en) | 2023-05-24 | 2023-05-24 | Winnowing powder removing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310590203.XA CN116550602A (en) | 2023-05-24 | 2023-05-24 | Winnowing powder removing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116550602A true CN116550602A (en) | 2023-08-08 |
Family
ID=87498057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310590203.XA Pending CN116550602A (en) | 2023-05-24 | 2023-05-24 | Winnowing powder removing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116550602A (en) |
-
2023
- 2023-05-24 CN CN202310590203.XA patent/CN116550602A/en active Pending
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