AU2020104246A4 - Automatic sand conveying system and method for fracturing sand - Google Patents
Automatic sand conveying system and method for fracturing sand Download PDFInfo
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- AU2020104246A4 AU2020104246A4 AU2020104246A AU2020104246A AU2020104246A4 AU 2020104246 A4 AU2020104246 A4 AU 2020104246A4 AU 2020104246 A AU2020104246 A AU 2020104246A AU 2020104246 A AU2020104246 A AU 2020104246A AU 2020104246 A4 AU2020104246 A4 AU 2020104246A4
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- sand
- fracturing
- conveyor belt
- bags
- vibrating screen
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- 239000004576 sand Substances 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 title claims description 17
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 238000006748 scratching Methods 0.000 claims abstract description 4
- 230000002393 scratching effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000009194 climbing Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/2607—Surface equipment specially adapted for fracturing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/04—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels
- B65G19/06—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel
- B65G19/08—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel and attached to a single belt, rope or chain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
- B65G2814/03—Loading or unloading means
- B65G2814/0301—General arrangements
- B65G2814/0326—General arrangements for moving bulk material upwards or horizontally
- B65G2814/0328—Picking-up means
- B65G2814/0335—Shaking or vibrating conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present disclosure provides an automatic sand conveying system for fracturing sand. The
automatic sand conveying system for fracturing sand comprises an upward conveying device, a
bag breaking device and a vertically arranged stand storage tank, wherein the upward conveying
device is provided with a fracturing sand conveyor belt for upward inclined conveying, the sand
storage tank is located below the rear portion of the tail end of the fracturing sand conveyor belt,
and the bag breaking device is located above the head end of the fracturing sand conveyor belt; the
bag breaking device comprises a sand bag conveyor belt, a feeding device, bag breaking cutters, a
vibrating screen and a recycling box which are sequentially arranged along the same straight line,
wherein the sand bag conveyor belt is used for conveying sand bags, the feeding device is used for
transferring the sand bags, the bag breaking cutters are used for scratching the sand bags, the
vibrating screen is used for unloading, and the recycling box is used for recycling empty sand bags;
the feeding device is formed by combining an upper roller and a lower roller parallel to the upper
roller, a slope is arranged at the transition position of the lower roller and the vibrating screen, the
bag breaking cutters are mounted on the slope, the upper roller rotates to roll the sand bags into
the vibrating screen from the sand bag conveyor belt, and screen meshes of the vibrating screen
vertically correspond to the head end of the fracturing sand conveyor belt. The automatic sand
conveying system for fracturing sand is simple in structure, and continuous transportation and
continuous supplying of the fracturing sand can be automatically achieved.
1/2
12
FIGURE 1
FIGURE 2
Description
1/2
12
FIGURE 1
FIGURE 2
TECHNICAL FIELD The present disclosure relates to the technical field of fracturing sand storage and transportation in rock gas exploitation, in particular to an automatic sand conveying system and method for fracturing sand.
BACKGROUND At present, the exploitation amount of shale gas in China is increased year by year, the fracturing technology is gradually mature, and fracturing sand needs to be stored in a sand storage tank before a fracturing fluid is mixed. A traditional sand conveying mode in the shale gas exploitation process is limited by sites, the storage amount of fracturing sand needs to be increased, the height of the sand storage tank becomes very high, generally, sand bags are hoisted to the positions above the sand storage tank through a crane, operators straighten the sand bags on the sand storage tank with the height of more than ten meters, and the sand bags are manually scratched for sand discharging operation. The traditional sand conveying operation mode has the problems that the sand conveying efficiency is low, the stratum fracturing operation is interrupted due to poor continuity of sand conveying operation, the operation safety of the operators is low and the like.
SUMMARY Preferred embodiments of the present invention seek to provide an automatic sand conveying system and method for fracturing sand, which can automatically realize continuous transportation and continuous supplying of fracturing sand, improve the sand conveying efficiency and guarantee the operation safety. According to an aspect of the present invention, there is provided an automatic sand conveying system for fracturing sand comprising an upward conveying device, a bag breaking device and a vertically arranged stand storage tank, wherein the upward conveying device is provided with a fracturing sand conveyor belt for upward inclined conveying, the sand storage tank is located below the rear portion of the tail end of the fracturing sand conveyor belt, and the bag breaking device is located above the head end of the fracturing sand conveyor belt; two sand inlets are formed in the upper part of the sand storage tank, and a sand discharging opening is formed in the bottom of the sand storage tank; the bag breaking device comprises a sand bag conveyor belt, a feeding device, bag breaking cutters, a vibrating screen and a recycling box which are sequentially arranged along the same straight line, wherein the sand bag conveyor belt is used for conveying sand bags, the feeding device is used for transferring the sand bags, the bag breaking cutters are used for scratching the sand bags, the vibrating screen is used for unloading, and the recycling box is used for recycling empty sand bags; the feeding device is formed by combining an upper roller and a lower roller parallel to the upper roller, wherein the upper roller is a driving roller, the lower roller is a free part, a slope is arranged at the transition position of the lower roller and the vibrating screen, the bag breaking cutters are mounted on the slope, the upper roller rotates to roll the sand bags into the vibrating screen from the sand bag conveyor belt, the vibrating screen is located above the fracturing sand conveyor belt, and screen meshes of the vibrating screen vertically correspond to the head end of the fracturing sand conveyor belt.
According to a further aspect of the present invention, curved annular castings are arranged on the surfaces of upper roller and the lower roller. In this way, the rollers roll the sand bags from the sand bag conveyor belt to the rear portion, the friction force on the sand bags can be increased through the annular castings, and it is guaranteed that the sand bags can smoothly enter the rear portion. According to a further aspect of the present invention, the bag breaking cutters are multiple rows of detachable fixed cutters, and the cutters are made of stainless steel. In this way, seriously-abraded cutters can be replaced at any time, it is guaranteed that the sand bags can be scratched, and the sand bags smoothly enter the vibrating screen. According to a further aspect of the present invention, the fracturing sand conveyor belt is baffle type climbing conveyor belt. Thus, the fracturing sand can be prevented from sliding down, so that it is guaranteed that the fracturing sand is conveyed into the sand storage tank. According to a further aspect of the present invention, road wheels are mounted on the bottom surface of the recycling box. In this way, the recycling box is movable, and empty sand bags can be conveniently recycled after the recycling box is filled with the empty sand bags. According to another aspect of the present invention, there is provided an automatic sand conveying method for fracturing sand wherein a sand bag conveyor belt conveys sand bags in front of an upper roller and a lower roller, the rollers wind the sand bags into the back portion, bag breaking cutters on a small slope on the back makes contact with the lower surfaces of the sand bags, and after multiple openings are marked in the lower surfaces of the sand bags, the sand bags slide into a vibrating screen and vibrates under the violent action of the vibrating screen, fracturing sand is discharged from the openings, falls into the fracturing sand conveyor belt below the openings and is conveyed to a sand inlet of the sand storage tank at the high position through the conveyor belt for stratum fracturing operation. The present disclosure has the following beneficial effects: Under the operation of the sand bag conveyor belt, the sand bags come to the front of the feeding device, the upper roller of the feeding device rotates, the sand bags are rolled to the rear portion from a gap between the upper roller and the lower roller, the cutters on a rear small slope make contact with the lower surfaces of the sand bags, multiple openings are marked in the lower surfaces of the sand bags under the driving of dead weight and the rollers, and then the sand bags immediately slide onto the vibrating screen. Under the violent action of the vibrating screen, fracturing sand is discharged from the openings, falls onto the long climbing type fracturing sand conveyor belt below the openings and is conveyed to the sand inlet of the sand storage tank at the high position through the fracturing sand conveyor belt, the sand discharging opening in the sand storage tank can be opened and closed at any time, and the fracturing sand in the tank is conveyed out for stratum fracturing operation. Two sand inlets are formed in the top of the sand storage tank and can be matched with two sets of sand conveying systems, so that the sand conveying efficiency is improved manyfold. The conventional fracturing sand conveying process is optimized and improved, an automatic bag breaking device and an automatic conveying device are adopted, the bag breaking process, the sand discharging process and the sand conveying process are automated, and an automatic sand conveying system is formed. Automatic sand conveying and storage of fracturing sand in shale gas exploitation fracturing operation are achieved, continuous transportation and continuous supplying of the fracturing sand can be achieved, the height of the sand storage tank is reduced, a traditional sand conveying mode is changed, and the problems that traditional sand conveying operation cannot achieve automatic sand transportation and continuous operation, and high-altitude operation safety of operators is low are solved; and the working efficiency of sand conveying work is improved, and the life and property safety of the operators is guaranteed.
BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the detailed description of the present disclosure or the technical solutions in the prior art, the drawings, which need to be used in the detailed description or the prior art description, are briefly described below. Similar elements or portions are generally identified by similar reference signs throughout all accompanying diagrams. Elements or portions of the accompanying diagrams are not necessarily drawn to scale. FIG. 1 is a structural schematic diagram of the present disclosure; FIG. 2 is a structural schematic diagram of a bag breaking device; and FIG. 3 is a structural schematic diagram of an upward conveying device. In the accompanying diagrams, 1, bag breaking device; 2, upward conveying device; 3, sand storage tank; 4, sand bag conveyor belt; 5, feeding device; 6, bag breaking cutter; 7, vibrating screen; 8, recycling box; 9, supporting seat; 10, belt conveyor; 11, fracturing sand conveyor belt support; 12, fracturing sand conveyor belt; 12a, inclined section; and 12b, horizontal section.
DETAILED DESCRIPTION The following describes the embodiments of the present disclosure in detail with reference to the accompanying diagrams. In the present embodiment, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "upper", "lower" and the like are based on the orientation or positional relationship shown in the accompanying diagrams, merely for ease of description, but not to indicate or imply that the device or element referred to must have a particular orientation, be constructed or operated in a particular orientation, and therefore are not to be construed as limitations of the present disclosure. An automatic sand conveying system for fracturing sand as shown in FIG. 1 to FIG. 3 comprises an upward conveying device 2, a bag breaking device 1 and a vertically arranged stand storage tank 3. The upward conveying device is provided with a fracturing sand conveyor belt 12 for upward inclined conveying, and the fracturing sand conveyor belt 12 is mounted on a fracturing sand conveyor belt support 11. In order to ensure that the fracturing sand does not fall off in the transportation process, the fracturing sand conveyor belt 12 is a baffle type climbing conveyor belt and is driven by the belt conveyor 10. The fracturing sand conveyor belt 12 comprises an inclined section 12a and horizontal sections 12b connected to the two ends of the inclined section 12. The sand storage tank 3 is located below the rear portion of the horizontal section of the tail end of the fracturing sand conveyor belt 12 and is vertically arranged through the supporting seat 9, two sand inlets are formed in the upper portion of the sand storage tank, and a sand discharging opening is formed in the bottom of the sand storage tank. As shown in FIG. 2, the bag breaking device 1 is arranged at the head end of the fracturing sand conveyor belt and comprises a sand bag conveyor belt 4, a feeding device 5, bag breaking cutters 6, a vibrating screen 7 and a recycling box 8 which are sequentially arranged along the same straight line, wherein the sand bag conveyor belt 4 is used for conveying sand bags, the feeding device 5 is used for transferring the sand bags, the bag breaking cutters 7 are used for scratching the sand bags, the vibrating screen 7 is used for unloading, and the recycling box 8 is used for recycling empty sand bags. The feeding device 5 is formed by combining an upper roller and a lower roller parallel to the upper roller, wherein the upper roller is a driving roller, the lower roller is a free part, a slope is arranged at the transition position of the lower roller and the vibrating screen, the bag breaking cutters 6 are mounted on the slope, the upper roller rotates to roll the sand bags into the vibrating screen 7 from the sand bag conveyor belt 4, the vibrating screen is located above the fracturing sand conveyor belt, and screen meshes of the vibrating screen vertically correspond to the head end of the fracturing sand conveyor belt. In order to increase the friction force for the sand bags and ensure that the sand bags can smoothly enter the rear portion, curved annular castings are arranged on the surfaces of upper roller and the lower roller. In order to replace seriously-abraded cutters at any time and ensure that the sand bags can be scratched and smoothly enter the vibrating screen, the bag breaking cutters are multiple rows of detachable fixed cutters, and the cutters are made of stainless steel. Empty sand bags can be conveniently recycled after the recycling box 8 is filled with the empty sand bags, road wheels are mounted on the bottom surface of the recycling box 8, and the road wheels are designed to be movable. The working process of the present disclosure is as follows: Under the operation of the sand bag conveyor belt 4, the sand bags come to the front of the feeding device, the upper roller rotates, the sand bags are rolled to the rear portion, the cutters 6 on the rear portion make contact with the lower surfaces of the sand bags, multiple openings are marked in the lower surfaces of the sand bags under the driving of dead weight and the rollers, and then the sand bags immediately slide onto the vibrating screen 7. Under the violent action of the vibrating screen 7, fracturing sand is discharged from the openings, falls onto the long climbing type fracturing sand conveyor belt 12 below the openings and is conveyed to the sand inlet of the sand storage tank 3 at the high position through the conveyor belt, the sand discharging opening in the bottom of the sand storage tank can be opened and closed at any time, and the supply of the fracturing sand is controlled for stratum fracturing operation. The two sand inlets are formed in the sand storage tank 3, and automatic sand conveying systems can be arranged on the two sides of the sand storage tank 3 according to actual operation conditions, so that the sand conveying efficiency is improved manyfold. In conclusion, compared with traditional sand conveying operation, the system has the advantages that sand can be automatically charged to the upper portion of the sand storage tank 3 while sand is discharged at the lower portion of the sand storage tank 3, the whole process can be uninterruptedly and continuously carried out, stratum fracturing operation can be continuously carried out, a large amount of waiting time can be saved, and cost can be saved. Besides, an automatic bag breaking device and an automatic conveying device are adopted, the bag breaking process, the sand discharging process and the sand conveying process are automated, and an automatic sand conveying system is formed. Continuous transportation and continuous supplying of the fracturing sand can be achieved, a traditional sand conveying mode is changed, operators can be far away from a sand storage and transportation operation site to a great extent, the life and property safety of the operators is guaranteed, and great significance is achieved for shale gas exploitation. Finally, it should be noted that the foregoing embodiments are merely intended for describing the technical solutions of the present disclosure, but not for limiting the present disclosure. Although the present disclosure is described in detail with reference to the foregoing embodiments, a person of ordinary skill in the art should understand that they may still make modifications to the technical solutions described in the foregoing embodiments or make equivalent replacements to some or all technical features thereof, without departing from the scope of the technical solutions of the embodiments of the present disclosure. Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps. The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as an acknowledgment or admission or any form of suggestion that that prior publication (or information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates.
Claims (5)
1. An automatic sand conveying system for fracturing sand, comprising an upward conveying device, a bag breaking device and a vertically arranged stand storage tank, wherein the upward conveying device is provided with a fracturing sand conveyor belt with for upward inclined conveying, the sand storage tank is located below the rear portion of the tail end of the fracturing sand conveyor belt, and the bag breaking device is located above the head end of the fracturing sand conveyor belt; two sand inlets are formed in the upper part of the sand storage tank, and a sand discharging opening is formed in the bottom of the sand storage tank; the bag breaking device comprises a sand bag conveyor belt, a feeding device, bag breaking cutters, a vibrating screen and a recycling box which are sequentially arranged along the same straight line, wherein the sand bag conveyor belt is used for conveying sand bags, the feeding device is used for transferring the sand bags, the bag breaking cutters are used for scratching the sand bags, the vibrating screen is used for unloading, and the recycling box is used for recycling empty sand bags; the feeding device is formed by combining an upper roller and a lower roller parallel to the upper roller, wherein the upper roller is a driving roller, the lower roller is a free part, a slope is arranged at the transition position of the lower roller and the vibrating screen, the bag breaking cutters are mounted on the slope, the upper roller rotates to roll the sand bags into the vibrating screen from the sand bag conveyor belt, the vibrating screen is located above the fracturing sand conveyor belt, and screen meshes of the vibrating screen vertically correspond to the head end of the fracturing sand conveyor belt.
2. The automatic sand conveying system for fracturing sand according to claim 1, wherein curved annular castings are arranged on the surfaces of upper roller and the lower roller.
3. The automatic sand conveying system for fracturing sand according to claim 1, wherein the bag breaking cutters are multiple rows of detachable fixed cutter, and the cutters are made of stainless steel.
4. The automatic sand conveying system for fracturing sand according to claim 1, wherein the system further comprises a fracturing sand conveyor belt support, and the fracturing sand conveyor belt is arranged on the support.
5. An automatic sand conveying method for fracturing sand, wherein a sand bag conveyor belt conveys sand bags in front of an upper roller and a lower roller, the rollers wind the sand bags into the back portion, bag breaking cutters on a small slope on the back makes contact with the lower surfaces of the sand bags, and after multiple openings are marked in the lower surfaces of the sand bags, the sand bags slide into a vibrating screen and vibrates under the violent action of the vibrating screen, fracturing sand is discharged from the openings, falls into the fracturing sand conveyor belt below the openings and is conveyed to a sand inlet of the sand storage tank at the high position through the conveyor belt for stratum fracturing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020104246A AU2020104246A4 (en) | 2020-12-22 | 2020-12-22 | Automatic sand conveying system and method for fracturing sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020104246A AU2020104246A4 (en) | 2020-12-22 | 2020-12-22 | Automatic sand conveying system and method for fracturing sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2020104246A4 true AU2020104246A4 (en) | 2021-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2020104246A Ceased AU2020104246A4 (en) | 2020-12-22 | 2020-12-22 | Automatic sand conveying system and method for fracturing sand |
Country Status (1)
| Country | Link |
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| AU (1) | AU2020104246A4 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602829A (en) * | 2021-08-12 | 2021-11-05 | 于都县三星食品有限责任公司 | Solar energy cold storage food transportation device and transportation method thereof |
| CN114082883A (en) * | 2021-11-16 | 2022-02-25 | 马鞍山市博立普精密机械有限公司 | Molding sand treatment vibration device with auxiliary lifting assembly and method |
| CN114313906A (en) * | 2021-12-01 | 2022-04-12 | 中石化四机石油机械有限公司 | Automatic continuous dustless sand supply device |
| CN115012898A (en) * | 2022-07-11 | 2022-09-06 | 新疆和丰西海能源科技有限公司 | Strong many dog-house assembled sand box of stability |
| WO2022205590A1 (en) * | 2021-04-02 | 2022-10-06 | 烟台杰瑞石油装备技术有限公司 | Sand conveying apparatus and control method therefor, and apparatus and storage medium |
| CN115364772A (en) * | 2022-09-01 | 2022-11-22 | 青岛和新精细化工有限公司 | Automatic processing system and method for raw material and DOPO production process |
| CN115012898B (en) * | 2022-07-11 | 2024-05-28 | 新疆和丰西海能源科技有限公司 | Multi-feeding-port assembled sand box with high stability |
-
2020
- 2020-12-22 AU AU2020104246A patent/AU2020104246A4/en not_active Ceased
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022205590A1 (en) * | 2021-04-02 | 2022-10-06 | 烟台杰瑞石油装备技术有限公司 | Sand conveying apparatus and control method therefor, and apparatus and storage medium |
| CN113602829A (en) * | 2021-08-12 | 2021-11-05 | 于都县三星食品有限责任公司 | Solar energy cold storage food transportation device and transportation method thereof |
| CN114082883A (en) * | 2021-11-16 | 2022-02-25 | 马鞍山市博立普精密机械有限公司 | Molding sand treatment vibration device with auxiliary lifting assembly and method |
| CN114082883B (en) * | 2021-11-16 | 2023-08-25 | 马鞍山市博立普精密机械有限公司 | Vibrating device and method for molding sand treatment with auxiliary lifting assembly |
| CN114313906A (en) * | 2021-12-01 | 2022-04-12 | 中石化四机石油机械有限公司 | Automatic continuous dustless sand supply device |
| CN115012898A (en) * | 2022-07-11 | 2022-09-06 | 新疆和丰西海能源科技有限公司 | Strong many dog-house assembled sand box of stability |
| CN115012898B (en) * | 2022-07-11 | 2024-05-28 | 新疆和丰西海能源科技有限公司 | Multi-feeding-port assembled sand box with high stability |
| CN115364772A (en) * | 2022-09-01 | 2022-11-22 | 青岛和新精细化工有限公司 | Automatic processing system and method for raw material and DOPO production process |
| CN115364772B (en) * | 2022-09-01 | 2023-12-01 | 青岛和新精细化工有限公司 | Automatic processing system and method for raw materials and DOPO production process |
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