CN102390084B - Dry-mixed mortar device - Google Patents
Dry-mixed mortar device Download PDFInfo
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- CN102390084B CN102390084B CN201110353304.2A CN201110353304A CN102390084B CN 102390084 B CN102390084 B CN 102390084B CN 201110353304 A CN201110353304 A CN 201110353304A CN 102390084 B CN102390084 B CN 102390084B
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- dry
- transition conduit
- cooling
- mixed mortar
- dry sand
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 110
- 239000004576 sand Substances 0.000 claims abstract description 104
- 238000012216 screening Methods 0.000 claims abstract description 47
- 238000001035 drying Methods 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims description 78
- 238000007789 sealing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 6
- 230000002411 adverse Effects 0.000 abstract description 9
- 230000000996 additive effect Effects 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 17
- 238000003756 stirring Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a dry-mixed mortar device which comprises: a drying system (10) for drying aggregate which enters into the drying system; a first screening device (30) for receiving the aggregate dried by the drying system (10) and screening out crude aggregate; and a second conveying device (40) for receiving the aggregate screened by the first screening device (30) and conveying to a material storage device (50). The dry-mixed mortar device also comprises a cooling device (60) which is arranged between the drying system (10) and the second conveying device and is used for cooling the aggregate output from the drying system (10). The dry-mixed mortar device provided by the invention can be used to effectively minimize the adverse impact of excess temperature of dry sand on the thermal expansion performance of a mixing console's main shaft and the wear resistance of blades and reduce the adverse impact of excess temperature of the dry sand which enters into the mixing console on the performance of an additive.
Description
Technical field
The present invention relates to mixing plant field, in particular to a kind of dry-mixed mortar device.
Background technology
As shown in Figure 1, present stage, the technological process of dry-mixed mortar device is: damp sand enters drying roller 10 ', after sand is dried, linear vibrating screen 30 ' (or directly entering linear vibrating screen 30 ' from drying roller 10 ' afterbody) is promoted to the first bucket elevator 20 ', after screening out coarse aggregate, dry sand is promoted to classifying screen by the second bucket elevator 40 ', the sand storehouse 50 ' entering different size after classification stores.Along with the development of dry-mixed mortar, in mixed processes, there is higher requirement to the quality of dry-mixed mortar.Dry sand temperature need be reduced to room temperature, just can enter main frame and additive, powder carry out proportioning, otherwise has a great impact dry-mixed mortar quality.
Present stage, dry-mixed mortar device (building) by the dry-mixed mortar device of hybrid (between tower type and standing posture), arranges a large dry sand and stores feed bin, while storage dry sand, indirectly play a cooling effect.This kind of cooling effect is very poor, and the time only can cool about 1 DEG C, does not reach cooling effect at all.Sand temperature is too high has following impact to follow-up flow process:
1, sand temperature is too high enter stirring host after, the performance of additive is had a significant impact, as cellulose ether activity reduce, water-retaining property be deteriorated; Lignocellulosic anti-crack ability weakens, drying shrinkage;
2, dry sand temperature is too high enter stirring host after, stirring host work time operating always, overlong time has heat expansion phenomenon, and normally working to main frame has an impact;
3, the dry sand temperature entering classifying screen is too high, shortens the service life of screen cloth.
Summary of the invention
The present invention aims to provide a kind of dry-mixed mortar device, effectively can reduce the adverse effect of the too high wearability to stirring host main shaft heat expansion, blade of dry sand temperature, and dry sand temperature is too high enters the adverse effect of stirring host to Additive Properties.
To achieve these goals, according to an aspect of the present invention, provide a kind of dry-mixed mortar device, comprising: drying system, dry the aggregate entered wherein; First screening plant, for receiving the aggregate after drying system oven dry, and screens out coarse aggregate; Second conveying device, receive the aggregate after the first screening plant screening, and be delivered to storage device, dry-mixed mortar device also comprises: cooling device, is arranged between drying system and the second conveying device, and cools the aggregate exported from drying system.
Further, cooling device is arranged between the first screening plant and the second conveying device, and cools the aggregate after the first screening plant screening.
Further, cooling device comprises the dry sand entrance tube connector at input, the dry sand outlet connecting pipe at output, is connected to the transition conduit between dry sand entrance tube connector and dry sand outlet connecting pipe and at least one cooling tube along the setting of transition conduit length direction.
Further, transition conduit is straight tube, and cooling tube is the helix tube of length direction winding on the outer wall of transition conduit along transition conduit.
Further, transition conduit comprises coarse inner surface.
Further, the inwall of transition conduit includes multiple baffle plate be crisscross arranged successively along its length, and baffle plate is from the inwall of transition conduit towards center along tiltedly direction extension.
Further, cooling tube is straight tube, and transition conduit is the helix tube of length direction winding on the outer wall of cooling tube along cooling tube.
Further, cooling tube offers multiple hole towards transition conduit.
Further, cooling device also comprises sealing cover, and transition conduit and cooling tube are arranged in sealing cover, and dry sand entrance tube connector and dry sand outlet connecting pipe stretch out outside sealing cover.
Further, cooling device also comprises sealing cover, and transition conduit and cooling tube are arranged in sealing cover, and dry sand entrance tube connector and dry sand outlet connecting pipe stretch out outside sealing cover.
Further, the outer wall of transition conduit also comprises spur.
Further, dry-mixed mortar device also comprises the 3rd conveying device, and the first end of the 3rd conveying device is connected to the port of export of the first screening plant, and the second end of the 3rd conveying device is connected to the arrival end of cooling device.
Further, cooling device is water cooling plant.
According to technical scheme of the present invention, dry-mixed mortar device comprises the first screening plant, the second conveying device of receiving the screening aggregate of the first screening plant and the cooling device be arranged between the first screening plant and the second conveying device.By arranging cooling device between the first screening plant and the second conveying device, the aggregate of high temperature can be made effectively to lower the temperature before entering storage device by the second conveying device process, make dry sand temperature drop to suitable temperature, and enter storage or mixing in storage device.This effectively reduces the adverse effect of the too high wearability to stirring host main shaft heat expansion, blade of dry sand temperature, also effectively reduce that dry sand temperature is too high enters the adverse effect of stirring host to Additive Properties, improve the quality of dry sand in mixed process, extend the service life of stirring host.In an one preferred embodiment, the inwall of straight transition conduit is provided with multiple baffle plate, the dry sand entered in transition conduit can be made fully to overturn, dry sand is made fully to contact with the heat conductive wall of transition conduit and carry out heat exchange, fast and effeciently reduce the temperature of dry sand, efficiency is higher, and cooling-down effect is better.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of dry-mixed mortar device of the prior art;
Fig. 2 shows the structural representation of dry-mixed mortar device according to an embodiment of the invention;
Fig. 3 shows the structural representation of the cooling device of the dry-mixed mortar device according to the first embodiment of the present invention; And
Fig. 4 shows the structural representation of the cooling device of dry-mixed mortar device according to a second embodiment of the present invention.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 2, according to embodiments of the invention, dry-mixed mortar device comprises drying system 10, first conveying device 20, first screening plant 30, cooling device 60, second conveying device 40 and the storage device 50 that connect successively.
Drying system 10 dries the damp sand entered wherein, then dry sand is delivered to the first conveying device 20, and by the first conveying device 20, dry sand is promoted to suitable height.
After dry sand is promoted to suitable height by the first conveying device 20, dry sand is delivered on the first screening plant 30, and is sieved by the first screening plant 30 pairs of dry sand aggregates.
First screening plant 30 sieves dry sand aggregate thereon, and by coarse aggregate elimination, the fine aggregate after screening then flows into cooling device 60 by the first screening plant 30.
Cooling device 60 cools the fine aggregate entered wherein, the aggregate temperature of high temperature is made to be reduced to room temperature, then the dry sand aggregate after cooling is delivered in the second conveying device 40 from the port of export of cooling device 60, and by the second conveying device 40, cooled dry sand aggregate is risen to suitable height.
After the dry sand aggregate of cooling is risen to suitable height by the second conveying device 40, be delivered on the second screening plant 51 of storage device 50, and carry out gradation sizing by the second screening plant 51 pairs of dry sand aggregates, and store in the storage device 50 dry sand aggregate after gradation sizing being delivered to respectively different size according to rank, for future use.
3rd conveying device 70 can also be set between the first screening plant 30 and cooling device 60, the first end of the 3rd conveying device 70 is connected to the port of export of the first screening plant 30, second end is connected to the arrival end of cooling device 60, fine aggregate after first screening plant screening is risen to certain altitude, is then delivered in cooling device 60 and cools.
By arranging the 3rd conveying device 70, cooling device 60 can vertically be arranged, effectively save the occupation of land space of cooling device 60, be more convenient for arranging cooling device 60, make dry sand circulate in cooling device 60, and can realize more comprehensively cooling, can not blockage phenomenon, effectively increase work efficiency.
Conveying device wherein can be bucket elevator, drying system 10 can comprise drying roller, first screening plant 30 can be linear vibrating screen, second screening plant 40 can be classifying screen, storage device 50 can be storage bin, and cooling device 60 can be water cooling plant, air cooling equipment or other type of cooling.
The use of cooling device 60, make dry sand before entering the second screening plant 51 and storage device 50, temperature can be reduced to OK range, accelerate the cooling rate of dry sand, reduce the heat expansion risk of the screen cloth of the second screening plant 51, extend the service life of screen cloth, and the quality of follow-up stirring host service life and dry-mixed mortar is all improved a lot.
Incorporated by reference to shown in Figure 3, according to the dry-mixed mortar device of the first embodiment of the present invention, its cooling device 60 comprises dry sand entrance tube connector 61, dry sand outlet connecting pipe 62, transition conduit 63 and cooling tube 65, also comprises sealing cover 68.
Dry sand entrance tube connector 61 is positioned at the input of cooling device 60, has the structure be connected with the output port of the 3rd conveying device 70, receives the dry sand flowed out in the 3rd conveying device 70, and is delivered in transition conduit 63 by dry sand.
Dry sand outlet connecting pipe 62 is positioned at the output of cooling device 60, has the structure be connected with the input port of the second conveying device 40, receives the cooling dry sand flowed out in transition conduit 63, and cooling dry sand is delivered to the second conveying device 40 from exit.
Dry sand entrance tube connector 61 is positioned at the top of cooling device 60, and dry sand outlet connecting pipe 62 is positioned at the bottom of cooling device 60, and dry sand enters after in cooling device 60, flows to dry sand outlet connecting pipe 62 place under gravity.
Transition conduit 63 is arranged between dry sand entrance tube connector 61 and dry sand outlet connecting pipe 62.Transition conduit 63 is straight tube, include coarse inner surface, when dry sand is flowed through in transition conduit 63, can exchange between internal layer dry sand and outer dry sand, dry sand is contacted fully in the tube wall of transition conduit 63, makes the heat exchange between dry sand and tube wall more efficient.Transition conduit 63 can be square tube or pipe etc.
The inner tubal wall of transition conduit 63 also can comprise multiple baffle plate 64 be crisscross arranged successively along the length direction of transition conduit 63, baffle plate 64 from the inwall of transition conduit 63 oliquely downward to extension, and towards the center of transition conduit 63, the length of baffle plate 64 is advisable with the center extending to transition conduit 63.Baffle plate 64 can be steel plate etc.After high temperature dry sand flows into transition conduit 63 from dry sand entrance tube connector 61, due to the stop of baffle plate 64, inhibition can be played to dry sand, reduce the flow velocity of dry sand, dry sand can be made to roll in flow process simultaneously, realize the exchange of dry sand ectonexine, enable dry sand heat exchange wall that is abundant and transition conduit 63 carry out heat exchange, strengthen the heat transfer effect of transition conduit 63.Transition conduit 63 is that the material such as steel pipe of good thermal conduction is made.
The outer wall of transition conduit 63 can also arrange multiple spur.Spur is welded on the outer wall of transition conduit 63, effectively can increase the area of dissipation of transition conduit 63, accelerates the radiating rate of transition conduit 63, improves radiating efficiency.
Cooling tube 65 is the helix tube of length direction winding on the outer wall of transition conduit 63 along transition conduit 63.Cooling tube 65 includes water inlet 66 and delivery port 67, and water inlet 66 and delivery port 67 can be positioned at same one end, also can lay respectively at the two ends of transition conduit 63.Cooling tube 65 can be multiple helix tube be arranged in parallel on the outer wall of transition conduit 63, also can be the helix tube that an outer wall around transition conduit 63 is arranged.The tube wall of cooling tube 65 in axial direction can offer multiple hole 651, the opening in hole 651, towards transition conduit 63, when cooling media is by cooling tube 65, can spray to the outer tube wall of transition conduit 63 through via hole 651, directly transition conduit 63 is cooled, improve the heat exchange efficiency of transition conduit 63.Preferably, multiple hole 651 is equidistantly arranged on spiral cooling tube 65.
Cooling tube 65 also can be the straight tube arranged along the length direction of transition conduit 63, and straight tube is parallel to transition conduit 63 and arranges, and cools the dry sand in transition conduit 63.Straight cooling tube 65 can be multiple, and the circumferential direction along transition conduit 63 distributes.Cooling tube 65 can be square tube, pipe etc.The outer wall that cooling tube 65 can be close to transition conduit 63 is arranged, to strengthen heat transfer effect.
Sealing cover 68 is sealing steel cylinder, and transition conduit 63 and cooling tube 65 are all arranged in sealing cover 68, and dry sand entrance tube connector 61 and dry sand outlet connecting pipe 62 stretch out sealing cover 68.Sealing cover 68 can form protection to the internal part of cooling device 60, prevents the internal part of cooling device 60 be subject to external action and be damaged, plays available protecting effect.Meanwhile, sealing cover can also prevent the structure of coolant media to other parts of ejection in hole 651 from causing adverse effect.
Cooling device 60 in the present embodiment is water cooling plant.The outside of water cooling plant also comprises the water pump be connected with water cooling plant and the cistern providing cooling water source.Cold water in cistern is sent in water cooling plant by water pump, and cool the dry sand by water cooling plant, the water body taking away dry sand heat is afterwards back in cistern.With certain hot-air when dry sand after oven dry enters water cooling plant, at pipe outer wall condensate water dew, but owing to being the pipeline of sealing, can not the dry sand in pipe can be had an impact after meeting water cooling.The water flowed down along the outer wall of transition conduit 63 also can flow out to cistern cooling in the water outlet pipe part of sealing cover 68, can be recycled after being down to room temperature.
Incorporated by reference to shown in Figure 4, dry-mixed mortar device according to a second embodiment of the present invention, the basic structure of its cooling device 60 is identical with the basic structure of the cooling device 60 of the first embodiment, its difference is, the cooling device 60 of the present embodiment, cooling tube 65 is straight tube, and transition conduit 63 is the helix tube of length direction winding on the outer wall of cooling tube 65 along cooling tube 65.Dry sand, when flowing through the helical pipe of transition conduit 63, has certain decelerating effect, and can form upset to a certain degree, inside and outside layer of sand is formed and exchanges, and ensures that high temperature dry sand can carry out sufficient heat exchange.Transition conduit 63 comprises coarse inner surface, makes dry sand at the inwall through transition conduit 63, can form speed difference, strengthens the degree that inside and outside layer of sand exchanges further, improves heat exchanger effectiveness.
The cooling tube 65 of the present embodiment also offers multiple hole 651 towards transition conduit 63.Multiple hole 651 is the helical trajectories of following transition conduit 63 around the outer wall coiled coil of cooling tube 65, ensures that the coolant media in cooling tube 65 can be applied to the outer wall of transition conduit 63 after hole 651 sprays, strengthens thermolysis.Preferably, multiple hole 651 is equidistant setting.
The transition conduit 63 of the present embodiment also can be the zigzag pipe arranged along the length direction of cooling tube 65.
The outer wall of the transition conduit 63 of the present embodiment is also provided with multiple spur.
The cooling device of the present embodiment is water cooling plant.
The technological process of dry-mixed mortar device is as follows according to an embodiment of the invention: damp sand is through batch bin, and the horizontal belt machine entering frequency modulation is transported to damp sand bucket elevator, is then promoted to drying system 10.After sand drying system 10 is dried, deliver into the first screening plant 30 (linear vibrating screen) through the first conveying device 20 (the first bucket elevator) again coarse aggregate is sieved out, fine aggregate enters the 3rd conveying device 70 (the 3rd bucket elevator) by elephant trunk, and is promoted to cooling device 60 by the 3rd conveying device 70 (the 3rd bucket elevator).Dry sand after cooling device 60 cools, then is promoted to the second screening plant 51 (classifying screen) through the second conveying device 40 (the second bucket elevator).Dry sand is after the second screening plant 51 (classifying screen) classification, and the storage device 50 (storage bin) being stored to different size respectively stores.The dry sand of different size and additive, powder are under certain proportioning, and being delivered to after stirring host stirs is dry-mixed mortar finished product.Dry-mixed mortar finished product can be in bulk to dry mixing mortar truck to building site through unloading head in bulk, or be transported to building site again after being packed by packing machine.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: dry-mixed mortar device comprises the first screening plant, the second conveying device of receiving the screening aggregate of the first screening plant and the cooling device be arranged between the first screening plant and the second conveying device.By arranging cooling device between the first screening plant and the second conveying device, the aggregate of high temperature can be made effectively to lower the temperature before entering storage device by the second conveying device process, make dry sand temperature drop to suitable temperature, and enter storage or mixing in storage device.This effectively reduces the adverse effect of the too high wearability to stirring host main shaft heat expansion, blade of dry sand temperature, also effectively reduce that dry sand temperature is too high enters the adverse effect of stirring host to Additive Properties, improve the quality of dry sand in mixed process, extend the service life of stirring host.The inwall of straight transition conduit is provided with multiple baffle plate, the dry sand entered in transition conduit can be made fully to overturn, make dry sand fully contact with the heat conductive wall of transition conduit and carry out heat exchange, fast and effeciently reduce the temperature of dry sand, efficiency is higher, and cooling-down effect is better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a dry-mixed mortar device, comprising:
Drying system (10), dries the aggregate entered wherein;
First screening plant (30), receives the aggregate after described drying system (10) oven dry, and screens out coarse aggregate;
Second conveying device (40), receives the aggregate after the screening of described first screening plant (30), and is delivered to storage device (50), it is characterized in that,
Described dry-mixed mortar device also comprises:
Cooling device (60), be arranged between described drying system (10) and described second conveying device (40), and the aggregate that cooling exports from described drying system (10), described cooling device (60) comprises the dry sand entrance tube connector (61) being positioned at input, be positioned at the dry sand outlet connecting pipe (62) of output, be connected to the transition conduit (63) between described dry sand entrance tube connector (61) and described dry sand outlet connecting pipe (62), and along at least one cooling tube (65) that described transition conduit length direction is arranged,
Described transition conduit (63) is straight tube, described cooling tube (65) is the helix tube of length direction winding on the outer wall of described transition conduit (63) along described transition conduit (63), the inwall of described transition conduit (63) includes multiple baffle plate (64) be crisscross arranged successively along its length, described baffle plate (64) is from the inwall of described transition conduit (63) towards center along tiltedly direction extension
Or described cooling tube (65) is straight tube, described transition conduit (63) is the helix tube of length direction winding on the outer wall of described cooling tube (65) along described cooling tube (65).
2. dry-mixed mortar device according to claim 1, it is characterized in that, described cooling device (60) is arranged between described first screening plant (30) and described second conveying device (40), and cools the aggregate after the screening of described first screening plant (30).
3. dry-mixed mortar device according to claim 1, is characterized in that, described transition conduit (63) comprises coarse inner surface.
4. dry-mixed mortar device according to any one of claim 1 to 3, is characterized in that, described cooling tube (65) offers multiple hole towards described transition conduit (63) (651).
5. dry-mixed mortar device according to any one of claim 1 to 3, it is characterized in that, described cooling device (60) also comprises sealing cover (68), described transition conduit (63) and described cooling tube (65) are arranged in described sealing cover (68), and described dry sand entrance tube connector (61) and described dry sand outlet connecting pipe (62) stretch out described sealing cover (68) outward.
6. dry-mixed mortar device according to claim 4, it is characterized in that, described cooling device (60) also comprises sealing cover (68), described transition conduit (63) and described cooling tube (65) are arranged in described sealing cover (68), and described dry sand entrance tube connector (61) and described dry sand outlet connecting pipe (62) stretch out described sealing cover (68) outward.
7. dry-mixed mortar device according to any one of claim 1 to 3, is characterized in that, the outer wall of described transition conduit (63) also comprises spur.
8. dry-mixed mortar device according to any one of claim 1 to 3, it is characterized in that, described dry-mixed mortar device also comprises the 3rd conveying device (70), the first end of described 3rd conveying device (70) is connected to the port of export of described first screening plant (30), and the second end of described 3rd conveying device (70) is connected to the arrival end of described cooling device (60).
9. dry-mixed mortar device according to any one of claim 1 to 3, is characterized in that, described cooling device (60) is water cooling plant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110353304.2A CN102390084B (en) | 2011-11-09 | 2011-11-09 | Dry-mixed mortar device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110353304.2A CN102390084B (en) | 2011-11-09 | 2011-11-09 | Dry-mixed mortar device |
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| CN102390084A CN102390084A (en) | 2012-03-28 |
| CN102390084B true CN102390084B (en) | 2015-05-13 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102717438B (en) * | 2012-06-15 | 2014-01-01 | 中联重科股份有限公司 | Sand drying storage system, operation method thereof and dry and mixed mortar batching plant |
| CN103009486B (en) * | 2012-12-14 | 2015-02-18 | 三一重工股份有限公司 | Wet material drying storage movement system and dry mixing slurry blending station |
| CN103894336A (en) * | 2012-12-27 | 2014-07-02 | 嘉兴市博宏新型建材有限公司 | Dry-mixed mortar production equipment |
| CN103894337A (en) * | 2012-12-27 | 2014-07-02 | 嘉兴市博宏新型建材有限公司 | Dry-mixed mortar production equipment |
| CN103273571A (en) * | 2013-05-30 | 2013-09-04 | 上海鸿得利重工股份有限公司 | Double-floor type structure dry-mixed mortar station and construction method thereof |
| CN105758679B (en) * | 2016-04-28 | 2018-10-19 | 青神鑫统领建材有限公司 | A kind of Machine-made Sand sampling system and its sampling method |
| CN106182437A (en) * | 2016-07-04 | 2016-12-07 | 东北大学 | A kind of cement sand and gravel mixing apparatus and method |
| CN106863611A (en) * | 2017-03-28 | 2017-06-20 | 中国葛洲坝集团第工程有限公司 | A kind of pre cooling of concrete water-cooled aggregate technique |
| CN109049346B (en) * | 2018-06-27 | 2020-10-23 | 舟山亿邦新型建材有限公司 | Preparation method of full-automatic premixed dry-mixed mortar |
| CN113686117A (en) * | 2021-08-26 | 2021-11-23 | 南通新三扬智能制造有限公司 | Hierarchical storage integrated equipment for drying materials in spiral feeding process |
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| CN102390084A (en) | 2012-03-28 |
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