CN108246477A - A kind of sand production line processed - Google Patents
A kind of sand production line processed Download PDFInfo
- Publication number
- CN108246477A CN108246477A CN201810269731.4A CN201810269731A CN108246477A CN 108246477 A CN108246477 A CN 108246477A CN 201810269731 A CN201810269731 A CN 201810269731A CN 108246477 A CN108246477 A CN 108246477A
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- CN
- China
- Prior art keywords
- machine
- dust
- sand
- sedimentation
- screening 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
- 239000004576 sand Substances 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 98
- 239000000843 powder Substances 0.000 claims abstract description 51
- 238000012216 screening Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 239000002994 raw material Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000013618 particulate matter Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to a kind of sand production lines processed, and library (13), chimney (14) and air-introduced machine (15) are collected including sand making machine (4), the first elevator (5), screening machine (6), powder remover (7), sedimentation dedusting device (8), third conveyer belt (9), the second elevator (10), material library (11), deduster (12), powder；Powder remover can generate negative pressure and detach material and dust in this production line, and sedimentation dedusting device can recycle larger particulate matter.
Description
Technical Field
The invention relates to the technical field of sand making, in particular to a sand making production line.
Background
A machine-made sand production line is a processing and production device which takes stone with larger grain diameter as raw material to produce finished aggregate with different specifications. The finished aggregate can meet the use requirements of the concrete industry, is used for making up for increasingly reduced natural gravels and reducing the production cost of building materials such as concrete and the like.
The production process of the existing machine-made sand production line is as follows: the raw materials are conveyed to a feeding device through a hoister, and are classified through a screening sieve after being crushed and shaped from the feeding device to a sand making machine, and after sand and stone materials are screened in the screening sieve, the sand and stone meeting the requirements are directly conveyed to a discharging device or the sand meeting the requirements passes through a sand and stone powder separator and is conveyed to the discharging device. The stones which do not meet the requirements are returned to the sand making machine for crushing and shaping again through the feeding device or the grading adjusting machine, dust generated by the sand making production line is treated by the dust removing pipeline to the dust remover, but in the existing sand making production line, the dust removing pipeline is generally only used for removing dust in the lifting stage, and the dust removing effect is general.
In view of the above-mentioned defects, the designer actively makes research and innovation to create a novel sand production line, so that the novel sand production line has industrial utilization value.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a sand making production line.
The technical scheme of the invention is as follows:
the utility model provides a sand production line which characterized in that: the device comprises a sand making machine 4, a first lifting machine 5, a screening machine 6, a powder removing machine 7, a settling and dust removing device 8, a third conveying belt 9, a second lifting machine 10, a material warehouse 11, a dust remover 12, a powder collecting warehouse 13, a chimney 14 and an induced draft fan 15;
wherein,
the sand making machine 4 is used for crushing ore materials and conveying the crushed ore materials to the screening machine 6 through the first lifting machine 5;
the screening machine 6 is a two-stage screening machine and comprises a first screening machine 61 and a second screening machine 62 which are arranged from top to bottom respectively, wherein the first screening machine 61 is connected with the feeding hole of the sand making machine 4 through a waste sand return pipe 611, and the second screening machine 62 is connected with the screening machine 7 through a finished sand return pipe 621;
a discharge hole 78 is formed in the bottom of the powder removing machine 7, a third conveying belt 9 is located right below the discharge hole 78 and used for conveying finished materials to the second hoisting machine 10, and the second hoisting machine 10 conveys the finished materials to the material warehouse 11;
the powder removing machine 7, the sedimentation dust removal device 8, the dust remover 12, the powder collection warehouse 13, the chimney 14 and the induced draft fan 15 are connected in sequence.
Further, the sedimentation dust removal device 8 is connected with the dust remover 12 through a dust collection pipe 81; and an air blower 622 is further arranged on one side of the bottom of the second screening machine 62, and a finished product sand dust recovery pipe 623 communicated with the dust collection pipe 81 is arranged on the other side of the bottom of the second screening machine 62.
Further, the powder removing machine 7 comprises a powder removing channel 72 which is obliquely arranged, the top of the powder removing channel 72 is provided with a feeding hole 74 communicated with the finished product sand return pipe 621, the bottom of the powder removing channel 72 is provided with a discharging hole 78, the upper side part of the powder removing channel 72 is provided with a funnel-shaped dust outlet 73, the funnel-shaped dust outlet 73 is connected with an air pipe 77, and the lower side part of the powder removing channel 72 is provided with an air inlet 71; towards all be provided with a plurality of baffles 75 in the powder removal passageway 72 in proper order at the interval of the one end of air intake 71, towards in the powder removal passageway 72 dust outlet 73 one end is provided with a plurality of baffles 76, baffle 76 will dust outlet 73 separates for a plurality of little air outlets 731.
Furthermore, the sedimentation dust removal device 8 is a cubic shell, the bottom of the sedimentation dust removal device is connected with a V-shaped funnel 83, a sedimentation outlet is formed in the side face of one end of the shell, a sedimentation inlet is formed in the side face of the other end of the shell, a vertically arranged dust baffle plate 81 is connected to the middle position of the top of the shell, one end of the dust baffle plate 81 is located outside the sedimentation dust removal device 8, a condition device for adjusting the height of the dust removal device 8 is arranged outside the sedimentation dust removal device, and the sedimentation outlet is connected with the dust collection pipe 81.
Further, still including raw materials storage department 1, first conveyer belt 2, the second conveyer belt 3 that connects gradually, wherein raw materials storage department 1 is used for placing the raw materials, first conveyer belt 2 is adjustable speed's frequency conversion belt, second conveyer belt 3 is used for carrying the material extremely system sand machine 4.
The device has the following advantages:
(1) the powder removing machine can generate negative pressure to separate materials and dust;
(2) the settling dust removal device can recover larger particles;
(3) the second-stage sieving machine is internally provided with an air blower, so that fine dust in the falling process can be directly discharged into a dust remover;
the foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural view of a powder remover and a settling dust collector of the invention;
in the figure: 1-raw material storage; 2-a first conveyor belt; 3-a second conveyor belt; 4-sand making machine; 5-a first hoisting machine; 6, screening machine; 61-a first screening machine; 611, returning the waste sand to a chute; 62-a second screening machine; 621-finished sand returning pipe; 622-a blower; 623-finished product sand dust recycling pipe; 7-powder removing machine; 8-a settling dust removal device; 81-dust collecting pipe; 9-a third conveyor belt; 10 a second hoisting machine; 11-a material warehouse; 12-a dust remover; 13-powder collection storehouse; 14-a chimney; 15-a draught fan; 71-an air inlet; 72-a pollen removal channel; 73-a dust outlet; 731-small dust removal port; 74-feed inlet; 75-a baffle; 76-a separator; 77-air pipe; 78-a discharge hole; 81-dust board; 82-a feeder.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, a sand making production line according to a preferred embodiment of the present invention includes a sand making machine 4, a first lifting machine 5, a screening machine 6, a powder removing machine 7, a settling and dust removing device 8, a third conveying belt 9, a second lifting machine 10, a material warehouse 11, a dust remover 12, a powder collecting warehouse 13, a chimney 14, and an induced draft fan 15;
wherein,
the sand making machine 4 is used for crushing ore materials and conveying the crushed ore materials to the screening machine 6 through the first lifting machine 5;
the screening machine 6 is a two-stage screening machine and comprises a first screening machine 61 and a second screening machine 62 which are arranged from top to bottom respectively, wherein the first screening machine 61 is connected with the feeding hole of the sand making machine 4 through a waste sand return pipe 611, and the second screening machine 62 is connected with the screening machine 7 through a finished sand return pipe 621;
a discharge hole 78 is formed in the bottom of the powder removing machine 7, a third conveying belt 9 is located right below the discharge hole 78 and used for conveying finished materials to the second hoisting machine 10, and the second hoisting machine 10 conveys the finished materials to the material warehouse 11;
the powder removing machine 7, the sedimentation dust removal device 8, the dust remover 12, the powder collection warehouse 13, the chimney 14 and the induced draft fan 15 are connected in sequence.
The settling dust-removal device 8 is connected to the dust collector 12 via a dust collecting pipe 81; and an air blower 622 is further arranged on one side of the bottom of the second screening machine 62, and a finished product sand dust recovery pipe 623 communicated with the dust collection pipe 81 is arranged on the other side of the bottom of the second screening machine 62.
The powder removing machine 7 comprises an obliquely arranged powder removing channel 72, the top of the powder removing channel 72 is provided with a feeding hole 74 communicated with the finished sand return chute 621, the bottom of the powder removing channel 72 is provided with a discharging hole 78, the upper side of the powder removing channel 72 is provided with a funnel-shaped dust outlet 73, the funnel-shaped dust outlet 73 is connected with an air pipe 77, and the lower side of the powder removing channel 72 is provided with an air inlet 71; towards all be provided with a plurality of baffles 75 in the powder removal passageway 72 in proper order at the interval of the one end of air intake 71, towards in the powder removal passageway 72 dust outlet 73 one end is provided with a plurality of baffles 76, baffle 76 will dust outlet 73 separates for a plurality of little air outlets 731.
The sedimentation dust removal device 8 is a cubic housing, the bottom of the housing is connected with a V-shaped funnel 83, the side surface of one end of the housing is provided with a sedimentation outlet, the side surface of the other end of the housing is provided with a sedimentation inlet, the middle position of the top of the housing is connected with a vertically arranged dust baffle plate 81, one end of the dust baffle plate 81 is positioned outside the sedimentation dust removal device 8, the outside of the sedimentation dust removal device is provided with a condition device for adjusting the height of the dust removal device 8, and the sedimentation outlet is connected with the dust collection pipe 81.
The system is characterized by further comprising a raw material storage part 1, a first conveying belt 2 and a second conveying belt 3 which are connected in sequence, wherein the raw material storage part 1 is used for placing raw materials, the first conveying belt 2 is a variable-frequency belt with adjustable speed, and the second conveying belt 3 is used for conveying materials to the sand making machine 4.
The working principle of the invention is as follows:
conveying the raw materials to a sand making machine through a first conveying belt and a second conveying belt, crushing the sandstone raw materials by the sand making machine, conveying the crushed sandstone raw materials to a screening machine through a first hoisting machine, wherein the screening machine is divided into two stages, the first-stage screening machine directly returns the screened materials to the sand making machine for secondary sand control, and the second-stage screening machine conveys the screened materials to a powder removing machine;
collecting the materials by the dust passing through the powder remover and a settling and dedusting device;
conveying dust to a dust remover, wherein a powder collecting bin is arranged at the bottom of the dust remover and used for storing the dust, a chimney is used for discharging waste gas, and an induced draft fan is used as a power device for dust movement;
the bottom of the second-stage screening machine is also provided with a blower, so that some fine dust in the falling process in the second-stage screening machine can be directly discharged into a dust remover;
the working principle of the powder removing machine is as follows:
the materials collide with the baffle after entering the powder remover, dust mixed in the materials can be lifted, and due to the existence of the air inlet and the existence of the plurality of small dust outlets, negative pressure can be formed at the small dust outlets, so that the dust is sucked into the air pipes;
the working principle of the sedimentation dust removal device is as follows:
through the dust baffle plate with the adjustable height, materials entering the sedimentation dust removal device can collide with the dust baffle plate, larger particles can fall to the bottom after collision, and smaller particles can be discharged;
the device has the following advantages:
(1) the powder removing machine can generate negative pressure to separate materials and dust;
(2) the settling dust removal device can recover larger particles;
(3) the second-stage sieving machine is internally provided with an air blower, so that fine dust in the falling process can be directly discharged into a dust remover;
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a sand production line which characterized in that: the device comprises a sand making machine (4), a first lifting machine (5), a screening machine (6), a powder removing machine (7), a settling and dust removing device (8), a third conveying belt (9), a second lifting machine (10), a material warehouse (11), a dust remover (12), a powder collecting warehouse (13), a chimney (14) and a draught fan (15);
wherein,
the sand making machine (4) is used for crushing ore materials and conveying the crushed ore materials to the screening machine (6) through the first lifting machine (5);
the screening machine (6) is a two-stage screening machine and is respectively a first screening machine (61) and a second screening machine (62) which are arranged from top to bottom, wherein the first screening machine (61) is connected with a feeding hole of the sand making machine (4) through a waste sand return pipe (611), and the second screening machine (62) is connected with the powder removing machine (7) through a finished sand return pipe (621);
a discharge hole (78) is formed in the bottom of the powder removing machine (7), a third conveying belt (9) is located under the discharge hole (78) and used for conveying finished materials to the second lifting machine (10), and the second lifting machine (10) conveys the finished materials to the material warehouse (11);
the dedusting machine (7), the sedimentation dedusting device (8), the deduster (12), the powder collecting bin (13), the chimney (14) and the induced draft fan (15) are sequentially connected.
2. A sand making production line according to claim 1, characterized in that:
the sedimentation dust removal device (8) is connected with the dust remover (12) through a dust collection pipe (81); and an air blower (622) is further arranged on one side of the bottom of the second screening machine (62), and a finished product sand dust recovery pipe (623) communicated with the dust collection pipe (81) is arranged on the other side of the bottom of the second screening machine (62).
3. A sand making production line according to claim 2, characterized in that: the powder removing machine (7) comprises a powder removing channel (72) which is obliquely arranged, a feeding hole (74) communicated with the finished product sand return chute (621) is formed in the top of the powder removing channel (72), a discharging hole (78) is formed in the bottom of the powder removing channel (72), a funnel-shaped dust outlet (73) is formed in the upper side portion of the powder removing channel (72), the funnel-shaped dust outlet (73) is connected with an air pipe (77), and an air inlet (71) is formed in the lower side portion of the powder removing channel (72); towards in the pollen removal channel (72) the one end of air intake (71) all is provided with a plurality of baffles (75) at the interval in proper order, towards in the pollen removal channel (72) dust outlet (73) one end is provided with a plurality of baffles (76), baffle (76) will dust outlet (73) are separated for a plurality of little air outlets (731).
4. A sand making production line according to claim 3, characterized in that: the sedimentation dust removal device (8) is a cubic shell, the bottom of the sedimentation dust removal device is connected with a V-shaped funnel (83), a sedimentation outlet is formed in the side face of one end of the shell, a sedimentation inlet is formed in the side face of the other end of the shell, a vertically arranged dust baffle plate (81) is connected to the middle position of the top of the shell, one end of the dust baffle plate (81) is located outside the sedimentation dust removal device (8), a condition device for adjusting the height of the dust removal device (8) is arranged outside the sedimentation dust removal device, and the sedimentation outlet is connected with the dust collection pipe (81).
5. A sand making production line according to claim 1, characterized in that: still including raw materials storage department (1), first conveyer belt (2), second conveyer belt (3) that connect gradually, wherein raw materials storage department (1) is used for placing the raw materials, first conveyer belt (2) are adjustable speed's frequency conversion belt, second conveyer belt (3) are used for carrying the material extremely system sand machine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269731.4A CN108246477A (en) | 2018-03-29 | 2018-03-29 | A kind of sand production line processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269731.4A CN108246477A (en) | 2018-03-29 | 2018-03-29 | A kind of sand production line processed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108246477A true CN108246477A (en) | 2018-07-06 |
Family
ID=62746374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269731.4A Pending CN108246477A (en) | 2018-03-29 | 2018-03-29 | A kind of sand production line processed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654822A (en) * | 2018-08-08 | 2018-10-16 | 江苏沃尔夫智能科技有限公司 | A kind of sand device processed |
| CN112206911A (en) * | 2020-10-29 | 2021-01-12 | 怀化明达建材有限公司 | Sand making system and sand making method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335656A (en) * | 2011-06-22 | 2012-02-01 | 江苏吉能达建材设备有限公司 | Quadric-separated winnowing grader |
| CN203281511U (en) * | 2012-07-23 | 2013-11-13 | 江苏一能达环保设备有限公司 | Sandstone powder removing machine |
| CN104907151A (en) * | 2015-05-11 | 2015-09-16 | 江苏天沃重工科技有限公司 | Storied building type sand production line and sand production method thereof |
| CN107126768A (en) * | 2017-06-30 | 2017-09-05 | 江苏沃尔夫机械有限公司 | A kind of Blowing stopper |
| CN208599910U (en) * | 2018-03-29 | 2019-03-15 | 江苏沃尔夫智能科技有限公司 | A kind of sand production line processed |
-
2018
- 2018-03-29 CN CN201810269731.4A patent/CN108246477A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335656A (en) * | 2011-06-22 | 2012-02-01 | 江苏吉能达建材设备有限公司 | Quadric-separated winnowing grader |
| CN203281511U (en) * | 2012-07-23 | 2013-11-13 | 江苏一能达环保设备有限公司 | Sandstone powder removing machine |
| CN104907151A (en) * | 2015-05-11 | 2015-09-16 | 江苏天沃重工科技有限公司 | Storied building type sand production line and sand production method thereof |
| CN107126768A (en) * | 2017-06-30 | 2017-09-05 | 江苏沃尔夫机械有限公司 | A kind of Blowing stopper |
| CN208599910U (en) * | 2018-03-29 | 2019-03-15 | 江苏沃尔夫智能科技有限公司 | A kind of sand production line processed |
Non-Patent Citations (1)
| Title |
|---|
| 中国水泥协会，中国水泥杂志社编: "《新型干法水泥实用技术全书 上》", vol. 1, 北京：中国建材工业出版社, pages: 785 - 786 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654822A (en) * | 2018-08-08 | 2018-10-16 | 江苏沃尔夫智能科技有限公司 | A kind of sand device processed |
| CN112206911A (en) * | 2020-10-29 | 2021-01-12 | 怀化明达建材有限公司 | Sand making system and sand making method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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