CN112871652A - Stone powder fine sand recovery system - Google Patents

Stone powder fine sand recovery system Download PDF

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Publication number
CN112871652A
CN112871652A CN202110051153.9A CN202110051153A CN112871652A CN 112871652 A CN112871652 A CN 112871652A CN 202110051153 A CN202110051153 A CN 202110051153A CN 112871652 A CN112871652 A CN 112871652A
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CN
China
Prior art keywords
air door
fine sand
air
box body
plate
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Pending
Application number
CN202110051153.9A
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Chinese (zh)
Inventor
鹿龙建
王保磊
邢晓静
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Henan Kenuo Machinery Equipment Co ltd
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Henan Kenuo Machinery Equipment Co ltd
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Priority to CN202110051153.9A priority Critical patent/CN112871652A/en
Publication of CN112871652A publication Critical patent/CN112871652A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B7/00Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/01Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02Arrangement of air or material conditioning accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06Feeding or discharging arrangements

Abstract

The invention discloses a mountain flour fine sand recovery system, which comprises a mold control screen box body, a variable frequency fan, an impeller feeder, a recovery machine box body, a fine sand screw conveyor, a first air door adjusting component, a second air door adjusting component and a third air door adjusting component, wherein a fan bracket is arranged on the mold control screen box body, a first air inlet is arranged above the fan bracket, the variable frequency fan is fixed on the fan bracket through a bolt, a fan connecting pipe is arranged on an air outlet of the variable frequency fan, one end of the fan connecting pipe is connected with the first air inlet, a wind shield is arranged inside the mold control screen box body, the upper end of the wind shield is positioned below the first air inlet, a first guide plate is arranged inside the mold control screen box body, and a third guide plate is arranged below the right of the first guide plate. Can adjust the amount of wind, effectually retrieve the fine sand in the wind.

Description

Stone powder fine sand recovery system
Technical Field
The invention relates to the technical field of fine stone powder sand recovery, in particular to a fine stone powder sand recovery system.
Background
Sandstone is an important structural material component of the basic construction, and is the most main raw material of basic products in the building industry such as concrete, cement members and the like. China has abundant mountain stone resources, provides sufficient raw materials for the production of artificial sand, and along with the integration and adjustment of the mine industry, the crushing sand making machine exerts excellent advantages under the fumigation of the environment, the sand making machine crushes stone materials to prepare fine sand, and the fine sand recycling machine is also called a tailing recycling machine, a fine sand extracting machine, a fine sand collecting machine, a mud-sand separating machine, a mud-water separating machine, a sand-water mixture processing system and the like. The machine has the greatest characteristic of well solving the problem of fine sand loss in the sand making industry.
The sand material that produces through the system sand machine needs further screening, separate fine sand and coarse sand, traditional mode is to carry out vibration screening with sand and handles, this kind of mode is inefficient, and the screening effect is not good, cause the loss of fine sand easily, the sand material after the mould control sieve is handled, can contain finer sand material in the wind, if these fine sands are directly got rid of, just cause the waste of resource, current fine sand recovery unit, moreover, the steam generator is simple in structure, it is not good to retrieve the effect, a novel fine sand reclaimer has been proposed to this problem.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a mountain flour fine sand recovery system which is novel in structural design, firm, durable and convenient to install, separates fine sand from coarse sand through wind power, can adjust the wind quantity, effectively recovers the fine sand in the wind, improves the production efficiency, can effectively reduce the loss of the fine sand and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a mountain flour fine sand recovery system comprises a mold control screen box body, a variable frequency fan, an impeller feeder, a recovery machine box body, a fine sand screw conveyor, a first air door adjusting component, a second air door adjusting component and a third air door adjusting component, wherein a fan support is arranged on the mold control screen box body, a first air inlet is formed above the fan support, the variable frequency fan is fixed on the fan support through bolts, a fan connecting pipe is arranged on an air outlet of the variable frequency fan, one end of the fan connecting pipe is connected with the first air inlet, a wind shield is arranged inside the mold control screen box body, the upper end of the wind shield is positioned below the first air inlet, a first guide plate is arranged inside the mold control screen box body, a third guide plate is arranged on the right lower side of the first guide plate, a second guide plate is arranged between the first guide plate and the third guide plate, and cross beams are arranged on the lower surfaces of the first guide plate, the second guide plate and the third guide plate, the upper end of the recycling machine box body is provided with an air outlet, the lower end of the recycling machine box body is provided with a blanking port, the blanking port is connected with an impeller feeder, the lower end of the impeller feeder is connected with a fine sand spiral conveyer, the mold control screen box body is provided with a fine sand recycling port, a fine sand chute is arranged between the fine sand spiral conveyer and the fine sand recycling port, the lower end of the left side of the recycling machine box body is provided with a second air inlet, the right upper surface of the mold control screen box body is provided with an air induction port, the air induction port is parallel to a wind shield, an air suction pipe is connected between the second air inlet and the air induction port, the first air door adjusting assembly comprises a first air door main shaft, a first air door adjusting plate and a first air door adjusting handle are arranged on the first air door main shaft, one end of the first air door adjusting handle is provided with a first air door limiting plate, the second air door adjusting assembly comprises a second air door main, the one end of second air door adjustment handle is provided with second air door limiting plate, third air door adjusting part includes the third air door main shaft, is provided with third air door adjusting plate and third air door adjustment handle on the third air door main shaft, and the one end of third air door adjustment handle is provided with the third air door limiting plate.
Further, the upper end of mould accuse sieve box is provided with the feed inlet, feed inlet department is provided with the striker plate, the striker plate is equipped with the contained angle that is not less than 20 degrees with vertical direction, and the lower extreme of striker plate is corresponding with first stock guide, be convenient for the gliding of sand material through the striker plate, play the effect of keeping off the wind simultaneously, prevent the upwind and blow, be provided with the viewing aperture on the right flank of mould accuse sieve box, be convenient for out the inside screening condition of mould accuse sieve box through the viewing aperture, the lower extreme of mould accuse sieve box is provided with first discharge gate, one side of first discharge gate is provided with the second discharge gate, the sand material ejection of compact after being convenient for to separate through first discharge gate and second discharge gate, make the ejection of compact convenient.
Further, be provided with the shrink tube on fine sand screw conveyer's the discharge gate, the shrink tube lower extreme is corresponding with fine sand elephant trunk upper end, contracts the blanking through the shrink tube, reduces the wearing and tearing of sand material to the flexible coupling, prolongs the life of fine sand elephant trunk, is provided with the hose between shrink tube and the fine sand elephant trunk, has realized the flexible coupling of fine sand elephant trunk and fine sand screw conveyer discharge gate through the hose, be provided with the sample connection on the fine sand elephant trunk, be convenient for take out the sand in the fine sand elephant trunk through the sample connection, be convenient for observe the condition of screening.
Furthermore, the second material guide plates are arranged at equal intervals, included angles of not less than 10 degrees are formed between the second material guide plates and the horizontal plane, and gaps between the second material guide plates are convenient for air to pass through, so that fine sand is blown up, and coarse sand and fine sand are separated.
Furthermore, be provided with first wear-resisting welt and the wear-resisting welt of second on the internal surface of mould control sieve box and recovery machine box respectively, reduce the wearing and tearing to mould control sieve box and recovery machine box casing through first wear-resisting welt and the wear-resisting welt of second, increase of service life.
Furthermore, be provided with the air supply opening on the recovery machine box, the air supply opening sets up in the top of blanking mouth, if still contain partial farine when the fine sand whereabouts in-process of electing, opens the air supply opening and mends the wind, blows the back to the partial farine that contains, is taken away by the main air hose, be provided with the access door on the right flank of recovery machine box, be convenient for overhaul the recovery machine box through the access door for the maintenance cost is convenient, and both sides are provided with the fixed plate around the recovery machine box surface.
Further, be provided with the contained angle that is not less than 30 degrees between third air door adjustment handle and the third air door adjustment board, first air door adjustment handle sets up under first air door adjustment board, second air door adjustment handle sets up under the second air door adjustment board, but first air door adjustment board angle regulation scope is 0-60 degrees, but second air door adjustment board angle regulation scope is 0-90 degrees, but third air door adjustment board angle regulation scope is 0-120 degrees, can carry out the regulation of angle to first air door adjustment board, second air door adjustment board and third air door adjustment board respectively through first air door adjustment handle, second air door adjustment handle and third air door adjustment handle, and then can adjust the size of air output for it is convenient to adjust, can adapt to not the fine sand recovery of equidimension.
Compared with the prior art, the invention has the beneficial effects that: this fine sand recovery system of mountain flour has following benefit:
1. the fine sand chute is arranged, fine sand convenient to recover through the fine sand chute enters the mold control screen box body and is discharged through the second discharge port, blanking is shrunk through the shrinkage pipe, abrasion of sand materials to flexible connection is reduced, the service life of the fine sand chute is prolonged, sand in the fine sand chute can be taken out conveniently through the sampling port, and screening conditions can be observed conveniently.
2. The sand-collecting device is provided with the material blocking plate, sand materials can conveniently slide down through the material blocking plate, the effect of blocking wind is achieved, wind is prevented from blowing upwards, the gap between the second material blocking plate is convenient for wind to pass, fine sand is blown, coarse sand and fine sand are separated, abrasion to the control screen box body and the recycling machine box body shell is reduced through the first wear-resistant lining plate and the second wear-resistant lining plate, the service life is prolonged, when the wind quantity is too small, wind can be supplemented to the box body through the wind supplementing opening, and the practicability of the device is improved.
3. The invention has novel structural design, firmness, durability and convenient installation, separates the fine sand from the coarse sand through wind power, can adjust the air quantity, effectively recovers the fine sand in the wind, improves the production efficiency and can effectively reduce the loss of the fine sand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 4 is a schematic view of a modular control screen according to the present invention;
FIG. 5 is a schematic structural view of a recycling bin according to the present invention;
FIG. 6 is a right side view of the recycling bin of the present invention.
In the figure: 1 mould control screen box body, 2 frequency conversion fan, 3 impeller feeder, 4 recovery machine box body, 5 fixing plate, 6 blanking port, 7 fine sand screw conveyer, 8 fine sand slide pipe, 9 sampling port, 10 fine sand recovery port, 11 fan bracket, 12 feeding port, 13 air supplement port, 14 first air door adjusting component, 141 first air door limiting plate, 142 first air door adjusting handle, 143 first air door adjusting plate, 144 first air door main shaft, 15 air outlet, 16 second air door adjusting component, 161 second air door main shaft, 162 second air door adjusting plate, 163 second air door adjusting handle, 164 second air door limiting plate, 17 third air door adjusting component, 171 third air door limiting plate, 172 third air door main shaft, 173 third air door adjusting handle, 174 third air door adjusting plate, 18 second air inlet, 19 air suction pipe, 20 air suction port, 21 observation port, 22 shrinkage pipe, 23 hose, 24 first discharge port, 24 first air discharge port, 21 observation port, 22 shrinkage pipe, 23 hose, 3 fine sand screw conveyer, 9 sampling port, 25 of a first wear-resistant lining plate, 26 of a third material guide plate, 27 of a second material guide plate, 28 of the first material guide plate, 29 of the material guide plate, 30 of a cross beam, 31 of a first air inlet, 32 of a fan connecting pipe, 33 of a wind shield, 34 of a second material outlet, 35 of the second wear-resistant lining plate and 36 of an access door.
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.
Example one
Referring to fig. 1-6, the present invention provides a technical solution: a mountain flour fine sand recovery system comprises a mould control screen box body 1, a variable frequency fan 2, an impeller feeder 3, a recovery machine box body 4, a fine sand spiral conveyor 7, a first air door adjusting component 14, a second air door adjusting component 16 and a third air door adjusting component 17, wherein a fan bracket 11 is arranged on the mould control screen box body 1, a first air inlet 31 is arranged above the fan bracket 11, the variable frequency fan 2 is fixed on the fan bracket 11 through bolts, a fan connecting pipe 32 is arranged on an air outlet of the variable frequency fan 2, one end of the fan connecting pipe 32 is connected with the first air inlet 31, a wind shield 33 is arranged inside the mould control screen box body 1, the upper end of the wind shield 33 is positioned below the first air inlet 31, a first guide plate 28 is arranged inside the mould control screen box body 1, a third guide plate 26 is arranged below the right side of the first guide plate 28, and a second guide plate 27 is arranged between the first guide plate 28 and the third guide plate 26, the second material guide plates 27 are arranged at equal intervals, an included angle of not less than 10 degrees is formed between each second material guide plate 27 and the horizontal plane, a gap between each second material guide plate 27 is convenient for wind to pass through, fine sand is blown up, coarse sand and fine sand are separated, the lower surfaces of the first material guide plates 28, the second material guide plates 27 and the third material guide plates 26 are provided with cross beams 30, the upper end of the mold control screen box body 1 is provided with a feeding hole 12, a material baffle plate 29 is arranged at the position of the feeding hole 12, an included angle of not less than 20 degrees is formed between each material baffle plate 29 and the vertical direction, the lower end of each material baffle plate 29 corresponds to the first material guide plate 28, the material baffle plate 29 is convenient for sand material to slide down and simultaneously plays a role of blocking wind to prevent wind from blowing upwards, an observation port 21 is arranged on the right side surface of the mold control screen box body 1, the internal screening condition of the mold control screen box body 1 is convenient to be inertially moved out through, a second discharge port 34 is arranged on one side of the first discharge port 24, the separated sand is convenient to discharge through the first discharge port 24 and the second discharge port 34, so that the discharge is convenient, an air outlet 15 is arranged at the upper end of the recycling machine box body 4, a blanking port 6 is arranged at the lower end of the recycling machine box body 4, an impeller feeder 3 is connected to the blanking port 6, the lower end of the impeller feeder 3 is connected with a fine sand screw conveyor 7, a contraction pipe 22 is arranged on the discharge port of the fine sand screw conveyor 7, the lower end of the contraction pipe 22 corresponds to the upper end of the fine sand slide pipe 8, the blanking is contracted through the contraction pipe 22, the abrasion of the sand on the soft connection is reduced, the service life of the soft connection is prolonged, a hose 23 is arranged between the contraction pipe 22 and the fine sand slide pipe 8, the soft connection of the fine sand slide pipe 8 and the discharge port of the fine sand screw conveyor 7 is realized through the hose 23, the fine sand slide pipe 8 is convenient to recycle, and is discharged through the second discharge port 34, the fine sand chute 8 is provided with a sampling port 9, the sand in the fine sand chute 8 is convenient to take out through the sampling port 9, the condition of screening is convenient to observe, the mold control screen box 1 is provided with a fine sand recovery port 10, the fine sand chute 8 is arranged between the fine sand screw conveyor 7 and the fine sand recovery port 10, the lower end of the left side of the recovery machine box 4 is provided with a second air inlet 18, the right upper surface of the mold control screen box 1 is provided with an induced draft port 20, the induced draft port 20 is parallel to the wind shield 33, an exhaust pipe 19 is connected between the second air inlet 18 and the induced draft port 20, the first air door adjusting component 14 comprises a first air door main shaft 144, the first air door adjusting plate 143 and the first air door adjusting handle 142 are arranged on the first air door main shaft 144, one end of the first air door adjusting handle 142 is provided with a first air door limiting plate 141, the second air door adjusting component 16 comprises a, a second air door adjusting plate 162 and a second air door adjusting handle 163 are arranged on the second air door main shaft 161, a second air door limiting plate 164 is arranged at one end of the second air door adjusting handle 163, the third air door adjusting assembly 17 comprises a third air door main shaft 172, a third air door adjusting plate 174 and a third air door adjusting handle 173 are arranged on the third air door main shaft 172, a third air door limiting plate 171 is arranged at one end of the third air door adjusting handle 173, an included angle not less than 30 degrees is arranged between the third air door adjusting handle 173 and the third air door adjusting plate 174, the first air door adjusting handle 142 is arranged under the first air door adjusting plate 143, the second air door adjusting handle 163 is arranged under the second air door adjusting plate 162, the adjustable angle range of the first air door adjusting plate 143 is 0-60 degrees, the adjustable angle range of the second air door adjusting plate 162 is 0-90 degrees, the adjustable angle range of the third air door adjusting plate 174 is 0-120 degrees, through first air door adjustment handle 142, second air door adjustment handle 163 and third air door adjustment handle 173 can be respectively to first air door regulating plate 143, second air door regulating plate 162 and third air door regulating plate 174 carry out the regulation of angle, and then can adjust the size of air output, make and adjust conveniently, can adapt to not the fine sand recovery of equidimension, be provided with air supply opening 13 on reclaimer box 4, air supply opening 13 sets up in the top of blanking mouth 6, if still contain partial fine powder when the fine sand whereabouts in-process of electing, open air supply opening and carry out the air supply, blow up the partial fine powder that contains, take away by the main air hose, be provided with access door 36 on reclaimer box 4's the right flank, be convenient for overhaul reclaimer box 4 through access door 36, make the maintenance convenient, both sides are provided with fixed plate 5 around reclaimer box 4 outer surface, be provided with first wear-resistant welt 25 and second wear-resistant lining board on the internal surface of mould accuse sieve box 1 and reclaimer box 4 respectively The plate 35 reduces the abrasion of the shell of the control screen box body 1 and the shell of the recovery machine box body 4 through the first wear-resistant lining plate 25 and the second wear-resistant lining plate 35, prolongs the service life, has novel structural design, is firm and durable, is convenient to install, can adjust the air quantity by separating fine sand from coarse sand through wind power, effectively recovers the fine sand in the air, improves the production efficiency, and can effectively reduce the loss of the fine sand.
When in use: the sand material enters the inside of the mold control screen box body 1 through the feeding hole 12, slides to the first guide plate 28 through the material baffle 29, the frequency conversion fan 2 is started, the frequency conversion fan 2 blows wind into the inside of the mold control screen box body 1 through the fan connecting pipe 32, the wind blows fine sand through the gap between the second guide plates 27, coarse sand and fine sand are separated, the wind blows fine sand, the wind drives the fine sand to enter the inside of the reclaimer box body 4 through the air induction port 20, the air exhaust pipe 19 and the second air inlet 18, the coarse sand is discharged through the first discharge port 24 under the action of gravity, the first air door adjusting handle 142, the second air door adjusting handle 163 and the third air door adjusting handle 173 can respectively adjust the angles of the first adjusting plate 143, the second air door adjusting plate 162 and the third air door adjusting plate 174, and further the air outlet amount can be adjusted, so that the adjustment is convenient, can adapt to not the fine sand recovery of equidimension, the fine sand is under the effect of gravity, fall into blanking mouth 6, impeller feeder 3 is carried the fine sand for fine sand screw conveyer 7, and convey to fine sand elephant trunk 8 through fine sand screw conveyer 7, discharge through second discharge gate 34, striker plate 29 is convenient for the gliding of sand material, play the effect that keeps off the wind simultaneously, prevent that wind from blowing upwards, shrink tube 22 contracts the blanking, reduce the wearing and tearing of sand material to the flexible coupling, the life of extension flexible coupling, be convenient for take out the sand in the fine sand elephant trunk 8 through sample connection 9, be convenient for observe the condition of screening.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a mountain flour fine sand recovery system, includes mould control sieve box (1), frequency conversion fan (2), rotary feeder (3), reclaimer box (4), fine sand screw conveyer (7), first air door adjusting part (14), second air door adjusting part (16) and third air door adjusting part (17), its characterized in that: the mold control screen box body (1) is provided with a fan support (11), a first air inlet (31) is arranged above the fan support (11), the variable frequency fan (2) is fixed on the fan support (11) through bolts, a fan connecting pipe (32) is arranged on an air outlet of the variable frequency fan (2), one end of the fan connecting pipe (32) is connected with the first air inlet (31), a wind shield (33) is arranged inside the mold control screen box body (1), the upper end of the wind shield (33) is positioned below the first air inlet (31), a first material guide plate (28) is arranged inside the mold control screen box body (1), a third material guide plate (26) is arranged at the lower right side of the first material guide plate (28), a second material guide plate (27) is arranged between the first material guide plate (28) and the third material guide plate (26), and cross beams (30) are arranged on the lower surfaces of the first material guide plate (28), the second material guide plate (27) and the third material guide plate (26), an air outlet (15) is formed in the upper end of the recycling machine box body (4), a blanking port (6) is formed in the lower end of the recycling machine box body (4), an impeller feeder (3) is connected to the blanking port (6), the lower end of the impeller feeder (3) is connected with a fine sand spiral conveyer (7), a fine sand recycling port (10) is formed in the mold control screen box body (1), a fine sand slide pipe (8) is arranged between the fine sand spiral conveyer (7) and the fine sand recycling port (10), a second air inlet (18) is formed in the lower end of the left side of the recycling machine box body (4), an air inlet (20) is formed in the upper right surface of the mold control screen box body (1), the air inlet (20) is parallel to the air inlet (33), an air pumping pipe (19) is connected between the second air inlet (18) and the air inlet (20), and the first air door adjusting assembly (14) comprises a first air door main shaft (, be provided with first air door regulating plate (143) and first air door adjustment handle (142) on first air door main shaft (144), the one end of first air door adjustment handle (142) is provided with first air door limiting plate (141), second air door adjusting part (16) includes second air door main shaft (161), is provided with second air door regulating plate (162) and second air door adjustment handle (163) on second air door main shaft (161), and the one end of second air door adjustment handle (163) is provided with second air door limiting plate (164), third air door adjusting part (17) includes third air door main shaft (172), is provided with third air door regulating plate (174) and third air door adjustment handle (173) on third air door main shaft (172), and the one end of third air door adjustment handle (173) is provided with third air door limiting plate (171).
2. The stone dust fine sand recovery system of claim 1, wherein: the upper end of mould accuse sieve box (1) is provided with feed inlet (12), feed inlet (12) department is provided with striker plate (29), striker plate (29) are equipped with the contained angle that is not less than 20 degrees with vertical direction, and the lower extreme of striker plate (29) is corresponding with first stock guide (28), are provided with viewing aperture (21) on the right flank of mould accuse sieve box (1), and the lower extreme of mould accuse sieve box (1) is provided with first discharge gate (24), and one side of first discharge gate (24) is provided with second discharge gate (34).
3. The stone dust fine sand recovery system of claim 1, wherein: a contraction pipe (22) is arranged on a discharge port of the fine sand screw conveyor (7), the lower end of the contraction pipe (22) corresponds to the upper end of the fine sand slide pipe (8), a hose (23) is arranged between the contraction pipe (22) and the fine sand slide pipe (8), and a sampling port (9) is arranged on the fine sand slide pipe (8).
4. The stone dust fine sand recovery system of claim 1, wherein: the second material guide plates (27) are arranged at equal intervals, and an included angle of not less than 10 degrees is formed between the second material guide plates (27) and the horizontal plane.
5. The stone dust fine sand recovery system of claim 1, wherein: and a first wear-resistant lining plate (25) and a second wear-resistant lining plate (35) are respectively arranged on the inner surfaces of the mould control screen box body (1) and the recovery machine box body (4).
6. The stone dust fine sand recovery system of claim 1, wherein: the air supplementing opening (13) is formed in the recycling machine box body (4), the air supplementing opening (13) is arranged above the blanking opening (6), an access door (36) is arranged on the right side face of the recycling machine box body (4), and fixing plates (5) are arranged on the front side and the rear side of the outer surface of the recycling machine box body (4).
7. The stone dust fine sand recovery system of claim 1, wherein: be provided with the contained angle that is not less than 30 degrees between third air door adjustment handle (173) and third air door adjustment plate (174), first air door adjustment handle (142) sets up under first air door adjustment plate (143), second air door adjustment handle (163) sets up under second air door adjustment plate (162), first air door adjustment plate (143) adjustable angle scope is 0-60 degrees, and second air door adjustment plate (162) adjustable angle scope is 0-90 degrees, and third air door adjustment plate (174) adjustable angle scope is 0-120 degrees.
CN202110051153.9A 2021-01-14 2021-01-14 Stone powder fine sand recovery system Pending CN112871652A (en)

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Application Number Priority Date Filing Date Title
CN202110051153.9A CN112871652A (en) 2021-01-14 2021-01-14 Stone powder fine sand recovery system

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