CN108129049A - A kind of Machine-made Sand production building station and sand method processed - Google Patents
A kind of Machine-made Sand production building station and sand method processed Download PDFInfo
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- CN108129049A CN108129049A CN201810146829.0A CN201810146829A CN108129049A CN 108129049 A CN108129049 A CN 108129049A CN 201810146829 A CN201810146829 A CN 201810146829A CN 108129049 A CN108129049 A CN 108129049A
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- 239000004576 sand Substances 0.000 title claims abstract description 156
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 48
- 238000012216 screening Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 3
- 238000009432 framing Methods 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 18
- 239000004567 concrete Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000004574 high-performance concrete Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of Machine-made Sand production building station and sand methods processed, including steel structure frame, oscillating feeder, chalk dust removal machine, sand making machine, trimmer, screening machine and cleaner, use new layout type：Sand making machine is placed on to the top layer of steel structure frame, and vibrate larger screening machine and be placed on bottom, and screening machine and structural framing separate, reduce steel construction vibration, under the premise of safety is ensured, the weight of building station steel construction is reduced, reduces the investment at production building station；Using two sand making machines simultaneously sand processed, increase trimmer and combine the new paragon of two screening machines cooperation, not only increase sand efficiency processed, and make the particle shape of finished sand more full mellow and full, it is more regular；Go out to be equipped with chalk dust removal machine into and out of material mouth in trimmer, with two-stage gumming technique, can effectively control the content of stone powder of finished sand, improve the quality of finished sand.
Description
Technical field
The present invention relates to a kind of Machine-made Sand production building station and sand methods processed, belong to sand making machine technical field.
Background technology
With the continuous development of China's economy, various large-scale construction engineerings gradually increase, and the performance requirement of concrete is got over
Come higher, and sandstone, as the highest raw material of accounting in concrete, performance directly influences the work of high performance concrete
Property, mechanical property and durability.In existing Important Project, almost all of important feature requires high performance concrete, Gao Xing
The sand of energy concrete must just can guarantee its performance using natural sand.Natural sand has faced exhaustion as non-renewable resources,
The exploitation of natural sand does great damage to environment, brings a series of environmental issues, using high-quality fine work sand to substitute natural sand system
Standby concrete has become important requirement and the trend of social development.
Machine-made Sand refers to the rock particles for being less than 4.75mm by Mechanical Crushing, the grain size being sieved into, but does not include soft
The particle of rock, decayed rock, high performance concrete propose Machine-made Sand higher requirement, including particle shape, moisture content, fineness mould
Number etc..The production equipment of traditional sand processed is generally using building formula Machine-made Sand equipment, usually by oscillating feeder, sand making machine, vibration
The equipment such as sieve, adhesive-tape machine and dust-extraction unit composition, technology for making sand include：Building stones are delivered to by sand processed by oscillating feeder
Crusher machine sand；The part for meeting granular size requirement after dedusting, screening is finished sand, does not meet the part of granular size requirement
Sand making machine is reentered to crush again.Traditional equipment uses steel construction building station form, and compact-sized, floor space is few, saves
Space, but there are following defects：（1）Vibrating screen is generally arranged on the middle and high floor at building station in building station, and vibrating screen vibrates when working
It is larger, in order to ensure the safety of building station, need to increase building station steel construction intensity, increase equipment investment；（2）Requirement to raw material
Strictly, processing capacity is weak, and the mountain flour contained in Machine-made Sand matches not easy to control, superfines not easy-clear, causes Machine-made Sand grade
With unreasonable, when raw material containing powder or it is higher containing mud when, dust removal is of high cost；（3）It is often simple broken during sand processed, though
Right particle size can ensure, but grain shape shape is not regular enough, influence the quality of finished sand；（4）Device configuration is single, finished sand
Yield it is relatively low, energy waste is larger.Therefore, the sandstone aggregate that tradition sand equipment processed and technique productions go out can not meet height
The demand of performance concrete, it is necessary to develop new technique and equipment produces high-quality fine work sandstone aggregate, while ensure that product is stablized
Property.
Invention content
The technical problem to be solved in the present invention is to provide a kind of this Machine-made Sand production building station and sand methods processed, can overcome existing
There is the deficiency of technology.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：A kind of Machine-made Sand produces building station,
Including the steel structure frame that multilayer is vertically arranged, chalk dust removal machine, sand making machine, trimmer, screening machine, dedusting are equipped in steel structure frame
Equipment and humidifier, the layout of the equipment are：Vibration is equipped with below the feed bin discharge hole on steel structure frame side ground to give
Material machine, top layer are equipped with sand making machine and trimmer, and bottom is equipped with screening machine and humidifier, the trimmer into and out of connecting in material mouth
Level-one chalk dust removal machine and two level chalk dust removal machine are connected to, the discharge port end of vibrating feed motor spindle by belt conveyor and is arranged on steel knot
The feed inlet connection of the No.1 elevator of structure frame facet, the discharge port of No.1 elevator are connect with level-one chalk dust removal machine；Described one
No. two elevators are equipped with by number elevator side by side, feed inlet is connect with No. two fortune belt feeders, and discharge port is connected to material and caches
Storehouse, material buffering chamber feed inlet are connect with sand making machine, and sand making machine discharge port operates belt feeder by No.1 and connects with two level chalk dust removal machine
It connects；The discharge port of the two level chalk dust removal machine is connect with screening machine；Be equipped with below the screening machine discharge port No. two fortune belt feeders and
Two or more finished belt machines, wherein No.1 finished belt machine are connect with humidifier.
Aforementioned level-one chalk dust removal machine, two level chalk dust removal machine, sand making machine, trimmer, screening machine and cleaner are independent steel knot
Structure frame is set, and the dedusting port of each equipment is connect by dust collection pipe with cleaner.
Aforementioned sand making machine is high-speed high frequency vertical shaft crusher GSP65, and is set for two block forms.
Said second chalk dust removal machine is set up in parallel for two, a connection trimmer, another connection sand making machine, two two levels
Two screening machines are arranged side by side with below chalk dust removal machine.
The sieve of aforementioned screening machine is one layer of arrangement above, and lower end is equipped with the fine sand that grain size is 0-2.36mm and exports, side
Portion is equipped with the coarse sand channel that grain size is 2.36-4.75mm.
Aforementioned No.1 finished belt machine includes two measuring belt scales.
A kind of Machine-made Sand sand method is produced including the production of fine work sand and dry powder and mortar with sand：
S1, the production of fine work sand：Be stored in feed bin sandstone raw material input vibrating feed machine vibration it is uniform after, pass through Belt Conveying
Machine, No.1 elevator enter the gumming of No.1 chalk dust removal machine, mud are gone to handle, and carry out sand processed, shaping into trimmer, enter back into two level and remove
Powder machine carry out it is secondary go out powder, and be sent into screening machine and sieved, grain size for 0-2.36mm fine sands by No.1 finished belt machine into
Enter humidifier；
Dry powder and mortar is produced with sand：The grain size sieved through No. two screening machines passes through No. two finished belts for 0-2.36mm fine sands
Machine is directly entered No. two finished product bins；
S2, the fineness modulus for adjusting fine work sand：The coarse sand that grain size is 0-2.36mm fine sands and grain size is 2.36-4.75mm is according to setting
Fixed ratio enters humidifier by No.1 finished belt machine and fine sand, middle sand or coarse sand is made, and is stored in No.1 finished product bin；
S3, extra coarse sand return to sand making machine by No. two transhipment belt feeders and continue sand processed.
Fine work sand and dry powder and mortar are produced as producing or individually producing simultaneously with sand in abovementioned steps S1.
The fineness modulus of fine work sand is adjusted in abovementioned steps S2 by measuring belt scale.
When fine sand or dry powder and mortar sand are produced in above mentioned steps S3, the coarse sand that grain size is 2.36-4.75mm all returns
Sand making machine is crushed.
Compared with the prior art, the present invention discloses a kind of Machine-made Sand production building station and sand method processed, at production building station
New layout type is used to each sand making machine in steel structure frame：Sand making machine is placed on to the top layer of steel structure frame, and is shaken
It moves larger screening machine and is placed on bottom, and each production equipment and structural framing separate, reduce steel construction vibration, ensureing
Under the premise of safety, the weight of building station steel construction is reduced, reduces the investment at production building station；It is made simultaneously using two sand making machines
Sand, the new paragon for increasing trimmer and combining two screening machine cooperations, it is not only more energy saving, and sand efficiency processed is improved,
The particle shape for making finished sand is more full mellow and full, and shape is more regular；Go out to be equipped with chalk dust removal machine into and out of material mouth in trimmer, make
With two-stage gumming technique during sand, the content of stone powder of finished sand can be effectively controlled, makes Machine-made Sand grading more accurate, improves into
The quality of product sand；Before broken and screening, advance gumming is carried out using chalk dust removal machine, the sieve of screening machine is effectively prevent to block, is carried
Height sand efficiency reduces equipment power dissipation.
The present invention has the advantages that：
（1）Using steel construction building station form, compact-sized, floor space is few, saves space；And sand making machine uses new cloth
Office's mode under the premise of safety is ensured, reduces the weight of building station steel construction, saves equipment investment cost；
（2）Sand processed is efficient, the particle shape of finished sand more it is full it is mellow and full, shape is regular, quality is good；
（3）Technology for making sand is optimized, each equipment seals dedusting, energy conservation and environmental protection；
（4）It is applied widely suitable for processing raw material containing powder or containing the sandstone that mud is higher, particle shape is bad and grading is unreasonable,
Practicability is high, greatly reduces sand cost processed.
Description of the drawings
Fig. 1 is the Structure and Process schematic diagram of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes：
As shown in Figure 1, a kind of Machine-made Sand production building station, including the steel structure frame that multilayer is vertically arranged, sets in steel structure frame
There is chalk dust removal machine（Including level-one chalk dust removal machine 6, two level chalk dust removal machine 10）, sand making machine 7, trimmer 8, screening machine 11,16 and of cleaner
Humidifier 15, the layout of the equipment are：Feed bin and oscillating feeder 1 are equipped on the ground of steel structure frame side, top layer is set
There are material buffering chamber 5, sand making machine 7, level-one chalk dust removal machine 6 and a trimmer 8, bottom is equipped with screening machine 11, humidifier 15 and a plurality of sets
The belt feeder put is set side by side with No.1 elevator 3 and No. two elevators 4 in the steel structure frame side, wherein, vibrate to
Material machine 1 is arranged below feed bin discharge hole, and charging port and the 1 bottom discharge mouth end of oscillating feeder of No.1 elevator 3 are set
Belt conveyor 2 connect, the discharge port of No.1 elevator 3 is connect with the arrival end at 6 top of level-one chalk dust removal machine, level-one chalk dust removal machine
6 discharge ends are connect with the feed inlet of trimmer 8, and 8 discharge end of trimmer is connect with 10 feed end of two level chalk dust removal machine；No. two elevators
Material buffering chamber 5 is provided with below 4 discharge port, 5 discharge port of material buffering chamber is connect with sand making machine 7, and the sand making machine 7 is height
Fast high frequency vertical shaft crusher GSP65, and set for two block forms, 7 bottom end of sand making machine is equipped with No.1 and operates belt feeder 9,
Its discharge port is connected to two level chalk dust removal machine 10, and specifically, the two level chalk dust removal machine 10 is set up in parallel for two, a connection shaping
Machine 8, another connection sand making machine 7, the lower section of two two level chalk dust removal machines 10 is respectively connected with individual screening machine 11, the sieve
Extension set 11 is elliptically vibrating screen, and sieve is one layer of arrangement above, and maximum can be adjusted to four layers, and 11 lower end discharge end of screening machine is set
There is the fine sand that grain size is 0-2.36mm to export, side discharge end is equipped with the coarse sand channel that grain size is 2.36-4.75mm, in Liang Tai
No. two fortune belt feeders 12 and finished belt machine, No. two transhipment belt feeders 12 and two have been arranged side by side in the lower section of 11 discharge end of screening machine
The feed inlet connection of number elevator 4, the finished belt machine are two arrangement above, setting quantity and the sieve of screening machine 11
The number of plies is corresponding, and the sieve number of plies increases, and the sandstone specification of corresponding processing also increases, and the quantity of finished belt machine also increases, excellent
Selection of land, No.1 finished belt machine 13 are connected to the feed end of humidifier 15, and 15 discharge end of humidifier connects with No.1 finished product bin 17
It connects, No. two finished belt machines 14 are directly connect with No. two finished product bins 18.
The level-one chalk dust removal machine 6, two level chalk dust removal machine 10, sand making machine 7, trimmer 8, screening machine 11 and cleaner 16 are
Independent steel structure frame setting, can reduce steel construction vibration, and the dedusting port of each equipment passes through dust collection pipe and dedusting
Equipment 16 connects.The cleaner 16 includes pulse bag type dust collector 161 and centrifugal blower 162, is arranged on steel construction frame
On the ground of frame side, and each chalk dust removal machine is connect by dust collection pipe with pulse bag type dust collector 161.
Below by the sand method processed according to Machine-made Sand, the technical program is further described：
It is produced or individually produced simultaneously with sand including fine work sand and dry powder and mortar：
S1, the production of fine work sand：To be stored in feed bin sandstone raw material input oscillating feeder 1 vibrate uniformly after, pass through Belt Conveying
Machine 2, No.1 elevator 3 enter No.1 chalk dust removal machine 6 and carry out level-one gumming, mud is gone to handle, and sand processed, shaping are carried out into trimmer 8,
Enter back into two level chalk dust removal machine 10 carry out it is secondary go out powder, and be sent into screening machine 11 and sieved, grain size passes through for 0-2.36mm fine sands
No.1 finished belt machine 13 enters humidifier 15；
Dry powder and mortar is produced with sand：The grain size sieved through No. two screening machines 10 passes through No. two finished product skins for 0-2.36mm fine sands
Band machine 14 is directly entered No. two finished product bins 18；
S2, the fineness modulus for adjusting fine work sand：The coarse sand that grain size is 0-2.36mm fine sands and grain size is 2.36-4.75mm is according to setting
Fine sand, middle sand or coarse sand can be made in fixed ratio, it is preferable that the No.1 finished belt machine 13 includes two measuring belts
Scale, grain size enter a measuring belt scale for 0-2.36mm fine sands, and the coarse sand that grain size is 2.36-4.75 enters another metering skin
Belt scale by adjusting the relative velocity of measuring belt scale, and then can adjust its fineness modulus, after last humidified machine 15 is handled
It is stored in No.1 finished product bin 17；
S3, extra coarse sand return to sand making machine 7 by No. two transhipment belt feeders 12 and continue sand processed, when production fine sand or dry powder and mortar
During with sand, the coarse sand that grain size is 2.36-4.75mm all returns to the progress second-time breakage of sand making machine 7.
Claims (10)
1. a kind of Machine-made Sand produces building station, including the steel structure frame that multilayer is vertically arranged, be equipped in steel structure frame chalk dust removal machine,
Sand making machine（7）, trimmer（8）, screening machine（11）, cleaner（16）And humidifier（15）, which is characterized in that the equipment
It is laid out and is：Oscillating feeder is equipped with below the feed bin discharge hole on steel structure frame side ground（1）, top layer is equipped with sand making machine
（7）And trimmer（8）, bottom is equipped with screening machine（11）And humidifier（15）, the trimmer（8）Into and out of connecting in material mouth
There is level-one chalk dust removal machine（6）With two level chalk dust removal machine（10）, oscillating feeder（1）The discharge port end of bottom passes through belt conveyor（2）
No.1 elevator with being arranged on steel structure frame side（3）Feed inlet connection, No.1 elevator（3）Discharge port and level-one
Chalk dust removal machine（6）Connection；
The No.1 elevator（3）It is other to be equipped with No. two elevators side by side（4）, feed inlet and No. two fortune belt feeders（12）Connection,
Discharge port is connected to material buffering chamber（5）, material buffering chamber（5）Feed inlet and sand making machine（7）Connection, sand making machine（7）Discharge port
Belt feeder is operated by No.1（9）With two level chalk dust removal machine（10）Connection；
The two level chalk dust removal machine（10）Discharge port and screening machine（11）Connection；
The screening machine（11）No. two fortune belt feeders are equipped with below discharge port（12）With two or more finished belt machines, wherein No.1
Finished belt machine（13）With humidifier（15）Connection.
2. Machine-made Sand according to claim 1 produces building station, it is characterised in that：The level-one chalk dust removal machine（6）, two level gumming
Machine（10）, sand making machine（7）, trimmer（8）, screening machine（11）And cleaner（16）It is independent steel structure frame setting, and
And the dedusting port of each equipment passes through dust collection pipe and cleaner（16）Connection.
3. Machine-made Sand according to claim 2 produces building station, it is characterised in that：The sand making machine（7）It is stood for high-speed high frequency
Shaft type crusher GSP65, and set for two block forms.
4. the Machine-made Sand production building station according to Claims 2 or 3, it is characterised in that：The two level chalk dust removal machine（10）It is two
Platform is set up in parallel, a connection trimmer（8）, another connection sand making machine（7）, two two level chalk dust removal machines（10）Lower section side by side
It is disposed with two screening machines（11）.
5. Machine-made Sand according to claim 4 produces building station, it is characterised in that：The screening machine（11）Sieve be one layer
Arrangement above, lower end are equipped with the fine sand that grain size is 0-2.36mm and export, and side is equipped with the coarse sand that grain size is 2.36-4.75mm
Channel.
6. Machine-made Sand according to claim 1 produces building station, it is characterised in that：The No.1 finished belt machine（13）Including
Two measuring belt scales.
A kind of 7. Machine-made Sand sand method, which is characterized in that produced including the production of fine work sand and dry powder and mortar with sand：
S1, the production of fine work sand：It is stored in the sandstone raw material input oscillating feeder of feed bin（1）It is defeated by belt after vibration uniformly
Send machine（2）, No.1 elevator（3）Into No.1 chalk dust removal machine（6）Gumming goes mud to handle, into trimmer（8）Carry out sand processed, whole
Shape enters back into two level chalk dust removal machine（10）Carry out it is secondary go out powder, and be sent into screening machine（11）It is sieved, grain size is thin for 0-2.36mm
Sand passes through No.1 finished belt machine（13）Into humidifier（15）；
Dry powder and mortar is produced with sand：Through No. two screening machines（10）The grain size sieved passes through No. two finished products for 0-2.36mm fine sands
Belt feeder（14）It is directly entered No. two finished product bins（18）；
S2, the fineness modulus for adjusting fine work sand：The coarse sand that grain size is 0-2.36mm fine sands and grain size is 2.36-4.75mm is according to setting
Fixed ratio passes through No.1 finished belt machine（13）Into humidifier（15）Fine sand, middle sand or coarse sand is made, is stored in No.1 finished product
Feed bin（17）；
S3, extra coarse sand pass through No. two transhipment belt feeders（12）Return to sand making machine（7）Continue sand processed.
8. Machine-made Sand sand method according to claim 7, it is characterised in that：Fine work sand and dry powder sand in the step S1
Slurry is produced as producing or individually producing simultaneously with sand.
9. Machine-made Sand sand method according to claim 7, it is characterised in that：Pass through measuring belt scale in the step S2
Adjust the fineness modulus of fine work sand.
10. the Machine-made Sand sand method according to claim 7 or 9, it is characterised in that：In the step S3 produce fine sand or
During dry powder and mortar sand, the coarse sand that grain size is 2.36-4.75mm all returns to sand making machine（7）It is crushed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146829.0A CN108129049A (en) | 2018-02-12 | 2018-02-12 | A kind of Machine-made Sand production building station and sand method processed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146829.0A CN108129049A (en) | 2018-02-12 | 2018-02-12 | A kind of Machine-made Sand production building station and sand method processed |
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| CN108129049A true CN108129049A (en) | 2018-06-08 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108972896A (en) * | 2018-08-02 | 2018-12-11 | 贵州成智重工科技有限公司 | A kind of building station type production line that can produce sand and aggregate simultaneously |
| CN109013006A (en) * | 2018-08-02 | 2018-12-18 | 贵州成智重工科技有限公司 | A kind of double host crushing production lines and method based on frequency conversion control technique |
| CN110125147A (en) * | 2019-05-28 | 2019-08-16 | 湖南广义节能装备有限公司 | A kind of process using gangue production mechanism sand and coal dust |
| CN110255942A (en) * | 2019-06-05 | 2019-09-20 | 重庆中材参天建材有限公司 | A kind of formula sand production technology |
| WO2020038333A1 (en) * | 2018-08-19 | 2020-02-27 | 吴卿 | Floating return material crushing integrated multi-tower |
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| CN111530597A (en) * | 2020-04-08 | 2020-08-14 | 平邑中联水泥有限公司 | Dry sand making method by environment-friendly recycling of waste limestone |
| CN111763025A (en) * | 2020-06-23 | 2020-10-13 | 洛阳耐锐机械设备有限公司 | Building standing type sand making unit |
| CN116197113A (en) * | 2023-04-27 | 2023-06-02 | 廊坊德基机械科技有限公司 | Shaping sand making screening conveying device |
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| CN109013006A (en) * | 2018-08-02 | 2018-12-18 | 贵州成智重工科技有限公司 | A kind of double host crushing production lines and method based on frequency conversion control technique |
| CN108972896A (en) * | 2018-08-02 | 2018-12-11 | 贵州成智重工科技有限公司 | A kind of building station type production line that can produce sand and aggregate simultaneously |
| WO2020038339A1 (en) * | 2018-08-19 | 2020-02-27 | 吴卿 | Integrated material returning crushing system with multiple vertically arranged towers and crushing process thereof |
| WO2020038315A1 (en) * | 2018-08-19 | 2020-02-27 | 吴卿 | Floating-type crushing single tower |
| WO2020038333A1 (en) * | 2018-08-19 | 2020-02-27 | 吴卿 | Floating return material crushing integrated multi-tower |
| CN110125147B (en) * | 2019-05-28 | 2021-04-23 | 湖南广义节能装备有限公司 | Process method for producing machine-made sand and coal powder by utilizing coal gangue |
| CN110125147A (en) * | 2019-05-28 | 2019-08-16 | 湖南广义节能装备有限公司 | A kind of process using gangue production mechanism sand and coal dust |
| CN110255942A (en) * | 2019-06-05 | 2019-09-20 | 重庆中材参天建材有限公司 | A kind of formula sand production technology |
| CN111530597A (en) * | 2020-04-08 | 2020-08-14 | 平邑中联水泥有限公司 | Dry sand making method by environment-friendly recycling of waste limestone |
| CN111763025A (en) * | 2020-06-23 | 2020-10-13 | 洛阳耐锐机械设备有限公司 | Building standing type sand making unit |
| CN116197113A (en) * | 2023-04-27 | 2023-06-02 | 廊坊德基机械科技有限公司 | Shaping sand making screening conveying device |
| CN116197113B (en) * | 2023-04-27 | 2023-08-18 | 廊坊德基机械科技有限公司 | Shaping sand making screening conveying device |
| CN117380011A (en) * | 2023-10-20 | 2024-01-12 | 云南凯瑞特工程机械设备有限公司 | Machine-made sand production system |
| CN117380011B (en) * | 2023-10-20 | 2024-04-30 | 云南凯瑞特工程机械设备有限公司 | Machine-made sand production system |
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