CN215140747U - Grit aggregate continuous gradation production system for high performance concrete - Google Patents
Grit aggregate continuous gradation production system for high performance concrete Download PDFInfo
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- CN215140747U CN215140747U CN202120317428.4U CN202120317428U CN215140747U CN 215140747 U CN215140747 U CN 215140747U CN 202120317428 U CN202120317428 U CN 202120317428U CN 215140747 U CN215140747 U CN 215140747U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000004574 high-performance concrete Substances 0.000 title claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 120
- 239000004576 sand Substances 0.000 claims abstract description 41
- 230000007704 transition Effects 0.000 claims abstract description 16
- 206010024796 Logorrhoea Diseases 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 32
- 238000010276 construction Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 239000011800 void material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005007 materials handling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides a grit aggregate continuous gradation production system for high performance concrete, including little stone storehouse, big stone storehouse, and the well garrulous unit that connects gradually, the feed back sieve, the unit in small, broken bits, the classifying screen, and the transition stock ground that connects gradually, the pollen removal unit, the sand silo, the entry of garrulous unit in the exit linkage on the sieve of feed back sieve, the big stone storehouse of exit linkage on the sieve of classifying screen, the undersize of classifying screen is equipped with first export, the second export, the third export, first export, the transition stock ground is connected respectively in the second export, the little stone storehouse of third exit linkage, the entry of the unit in small, broken bits is connected respectively in small stone storehouse, big stone storehouse. By adopting the utility model, the gradation of the produced sandstone aggregate is continuously adjustable, the yield of the sand for concrete can be fully adjusted, and the working condition of large fluctuation of the sandstone aggregate demand in the building engineering is satisfied; and the feeding porosity of the fine crushing unit is reduced, and the quality of the sandstone aggregate is improved.
Description
Technical Field
The utility model relates to an artificial sand production technical field, concretely relates to high performance is grit aggregate continuous gradation production system for concrete.
Background
In some engineering constructions, the demand for sand and stone aggregates for concrete fluctuates considerably. Even in the peak period of material consumption, the maximum monthly demand of the concrete material reaches 5 ten thousand tons, and compared with 3 ten thousand tons of the average monthly demand in the peak period, the fluctuation amount exceeds 50 percent. In the peak period of material consumption, the raw material treatment of the sand making crusher is close to full load feeding, and the yield is difficult to improve by increasing the feeding amount. At this time, the construction progress is inevitably influenced, even if the time for the concrete material to reach the maximum demand is short, if the problem of insufficient supply frequently occurs when the demand of the concrete is increased at the peak of the material consumption, the construction period is inevitably influenced, and the construction plan is adversely influenced.
In the original production system, sand can be produced more in the off-peak period, and the sand is used for making up the problem of insufficient supply in the peak period. However, large-area site occupation can be caused, the scouring loss is serious in rainy days, the soil is polluted, and the quality of sand materials is also adversely affected after long-time stacking. Moreover, due to the unpredictable amount and time of material fluctuation, even if sand is produced more than during off-peak periods, problems of insufficient supply or excessive storage occur when the material fluctuates, or construction period is affected, or material is wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high performance is grit aggregate continuous gradation production system for concrete.
The utility model discloses a following technical scheme can realize.
The utility model provides a high-performance concrete sandstone aggregate continuous grading production system, which comprises a medium crushing unit, a return screen, a fine crushing unit, a grading screen, a transition stock ground, a powder removing unit, a sand silo, a small stone silo and a large stone silo, the middle crushing unit, the feed back screen, the fine crushing unit and the classifying screen are connected in sequence through a conveyer belt, an outlet on the screen of the feed back screen is connected with an inlet of the middle crushing unit through the conveyer belt, the upper sieve outlet of the classifying sieve is connected with the large stone bin through a conveyer belt, the lower sieve of the classifying sieve is provided with a first outlet, a second outlet and a third outlet which are sequentially increased in particle size, the first outlet and the second outlet are respectively connected with a transition stock ground through a conveyer belt, the transition stock ground, the powder removing unit and the sand silo are sequentially connected through the conveyer belt, the third export is connected little stone storehouse through the conveyer belt, little stone storehouse, big stone storehouse are respectively through the entry of conveyer belt connection fine crushing unit.
By adopting the utility model, the gradation of the produced sandstone aggregate is continuously adjustable, the yield of the sand for concrete can be fully adjusted, and the working condition of large fluctuation of the sandstone aggregate demand in the building engineering is satisfied; through sending big building stones, little building stones to the unit of smashing into small pieces, carry out output and adjust, the feeding void ratio of the unit of smashing into small pieces reduces, and the raw materials handling capacity receives the influence of returning charge less, in addition, through the screen cloth specification of more changing the returning charge sieve for the output of big building stones, little building stones, sand material is fully adjustable, has effectively improved the output control range of sand material.
The transition stock ground is also connected with the inlet of the fine crushing unit through a conveyer belt.
And a small stone screen is arranged at the inlet of the small stone bin.
And a small stone high-pressure spray pipe is arranged at the inlet of the small stone sieve.
The under-sieve outlet of the small stone sieve is provided with a dewatering sieve, and a sewage guide pipe is arranged below the dewatering sieve.
And a large stone screen is arranged at the inlet of the large stone bin.
And a large stone high-pressure spray pipe is arranged at the inlet of the large stone screen.
The undersize outlet of the large stone sieve is provided with a dewatering sieve, and a sewage guide pipe is arranged below the dewatering sieve.
The middle crushing unit is an HP400C type cone crusher, and the fine crushing unit is a B9100SE type Mejobamk B series vertical shaft crusher.
The beneficial effects of the utility model reside in that:
by adopting the utility model, the gradation of the produced sandstone aggregate is continuously adjustable, the yield of the sand for concrete can be fully adjusted, and the working condition of large fluctuation of the sandstone aggregate demand in the building engineering is satisfied; the large stones and the small stones are conveyed to the fine crushing unit for yield adjustment, so that the feeding void ratio of the fine crushing unit is reduced, the influence of returned materials on the raw material treatment capacity is small, and the quality of the sandstone aggregate is improved; in addition, the screen mesh specification of the reclaiming screen is changed, so that the yield of large stones, small stones and sand materials is fully adjustable, and the yield adjusting range of the sand materials is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a medium crushing unit; 2-a feed back sieve; 3-a fine crushing unit; 4-grading sieve; 5-a first outlet; 6-a second outlet; 7-a third outlet; 8-transition stock ground; 9-a powdering unit; 10-a sand silo; 11-small stone bin; 12-big stone bin; 13-small stone sieve; 14-small stone high-pressure spray pipe; 15-small stone dewatering screen; 16-large stone sieve; 17-large stone high pressure spray pipe; 18-large stone dewatering screen.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the structure of the present invention is schematically illustrated:
the utility model provides a high performance is grit aggregate continuous gradation production system for concrete, including well garrulous unit 1, feed back sieve 2, fine crushing unit 3, classifying screen 4, transition stock ground 8, pollen removal unit 9, sand silo 10, little stone silo 11, big stone silo 12, well garrulous unit 1, feed back sieve 2, fine crushing unit 3, classifying screen 4 loop through the conveyer belt and connect, and the export on the sieve of feed back sieve 2 passes through the entry of conveyer belt connection well garrulous unit 1, the export on the sieve of classifying screen 4 passes through conveyer belt connection big stone silo 12, and the undersize of classifying screen 4 is equipped with first export 5, second export 6, third export 7 that the particle diameter increases in proper order, first export 5, second export 6 connect transition stock ground 8 through the conveyer belt respectively, transition stock ground 8, pollen removal unit 9, sand silo 10 loop through the conveyer belt connection, third export 7 passes through conveyer belt connection little stone silo 11, the small stone bin 11 and the large stone bin 12 are respectively connected with the inlet of the fine crushing unit 3 through a conveyer belt.
The working process is as follows: crushing raw materials with the particle size of 5-200 mm by a middle crushing unit 1, screening by a return screen 2 after crushing, returning coarse materials with overlarge particle sizes on a screen to the middle crushing unit 1 for crushing, sending materials under the screen to a fine crushing unit 3 for crushing, screening by a classifying screen 4 after the fine crushing unit 3 is crushed, enabling a first outlet 5 under the screen of the classifying screen 4 to flow out fine sand materials, enabling a second outlet 6 to flow out coarse sand materials, mixing the fine sand materials and the coarse sand materials in a transition stock yard 8 according to the required fineness modulus of a sand material product, then sending to a powder removing unit 9, and sending the sand materials after removing stone powder by the powder removing unit 9 to a sand silo 10; small stones flow out of a third outlet 7 below the screen of the classifying screen 4 and are sent to a small stone bin 11; large stones flow out of an upper sieve outlet of the classifying screen 4 and are sent to a large stone bin 12; returning partial materials in the small stone bins 11 and the large stone bins 12 to the fine crushing units 3 respectively or simultaneously, so that the yield of large stones and small stones is adjusted, the average feeding particle size of the fine crushing units 3 is reduced, the feeding amount void ratio is reduced, and the sand yield is improved; when the sand demand is reduced, the returning amount of large stones and small stones is reduced, the screen specification of the return screen 2 is changed to be a larger-specification screen, and the average feeding particle size of the fine crushing unit 3 is increased, so that the sand output is reduced, and the output of the large stones and the small stones is increased.
By adopting the utility model, the gradation of the produced sandstone aggregate is continuously adjustable, the yield of the sand for concrete can be fully adjusted, and the working condition of large fluctuation of the sandstone aggregate demand in the building engineering is satisfied; the large stones and the small stones are conveyed to the fine crushing unit 3 for yield adjustment, so that the feeding porosity of the fine crushing unit 3 is reduced, the raw material treatment capacity is less influenced by returned materials, and the quality of the gravel aggregate is improved; in addition, the screen mesh specification of the reclaiming screen 2 is changed, so that the yield of large stones, small stones and sand materials is fully adjustable, and the yield adjusting range of the sand materials is effectively improved.
The transition stock ground 8 is also connected with the inlet of the fine crushing unit 3 through a conveyer belt. Parameters such as fineness modulus, needle sheet-like stone content and the like of the sand can be detected in the transition stock yard 8, and part of coarse sand is returned to the fine crushing unit 3 for shaping through the conveyer belt, so that the fineness modulus and the needle sheet-like content of the sand can be conveniently adjusted, and the product quality is improved.
And a small stone screen 13 is arranged at the inlet of the small stone bin 11. When entering the small stone bin 11, the small stone is firstly screened by the small stone screen 13, so that the small stone can be classified conveniently, and coarse materials or fine materials in the small stone are selectively returned to the fine crushing unit 3, and the fineness modulus of the small stone is adjusted.
And a small stone high-pressure spray pipe 14 is arranged at the inlet of the small stone screen 13. The stone powder wrapped on the small stones can be removed conveniently, the pollution is reduced, and the product quality of the small stones is improved.
And a small stone dewatering screen 15 is arranged at the undersize outlet of the small stone screen 13, and a sewage guide pipe is arranged below the small stone dewatering screen 15. The moisture of small stones is convenient to remove, the moisture content of the returned material is reduced, and the crusher is prevented from blocking the cavity; through setting up the honeycomb duct, be convenient for with sewage centralized processing, avoid polluting the place, cause the construction inconvenient.
And a large stone screen 16 is arranged at the inlet of the large stone bin 12. When entering the large stone bin 12, the large stone is firstly screened by the large stone screen 16, so that the large stone can be classified conveniently, and therefore, coarse materials or fine materials in the large stone are selectively returned to the fine crushing unit 3, and the fineness modulus of the large stone is adjusted.
And a large stone high-pressure spray pipe 17 is arranged at the inlet of the large stone screen 16. The stone powder wrapped on the large stone is convenient to remove, the pollution is reduced, and the product quality of the large stone is improved.
And a large stone dewatering screen 18 is arranged at the screen lower outlet of the large stone screen 16, and a sewage guide pipe is arranged below the large stone dewatering screen 18. The moisture of large stones is convenient to remove, the moisture content of the returned material is reduced, and the crusher is prevented from blocking the cavity; through setting up the honeycomb duct, be convenient for with sewage centralized processing, avoid polluting the place, cause the construction inconvenient.
The middle crushing unit 1 is an HP400C type cone crusher, and the fine crushing unit 3 is a B9100SE type Mejobamk B series vertical shaft crusher. The crushing and crushing formed by mixing the full-cavity feeding of the middle crushing unit 1 has double functions of crushing and shaping, and after the crushing of the fine crushing unit 3, the flake contents of large stones and small stones are less than 3 percent, and the porosity of the small stones and sand is less than or equal to 43 percent, so that the excellent quality of the aggregate is ensured.
Claims (9)
1. The utility model provides a grit aggregate continuous gradation production system for high performance concrete which characterized in that: including well garrulous unit (1), feed back sieve (2), unit (3) in small, broken bits, classifying screen (4), transition stock ground (8), pollen removal unit (9), sand silo (10), little stone storehouse (11), big stone storehouse (12), well garrulous unit (1), feed back sieve (2), unit (3) in small, broken bits, classifying screen (4) loop through the conveyer belt and connect, and the export on the sieve of feed back sieve (2) passes through the entry of conveyer belt connection well garrulous unit (1), the export on the sieve of classifying screen (4) passes through conveyer belt and connects big stone storehouse (12), is equipped with under the sieve of classifying screen (4) that the particle diameter increases in proper order first export (5), second export (6), third export (7), transition stock ground (8) are connected through the conveyer belt respectively in first export (5), second export (6), transition stock ground (8), pollen removal unit (9), The sand silo (10) is connected through a conveying belt in sequence, the third outlet (7) is connected with the small stone silo (11) through the conveying belt, and the small stone silo (11) and the large stone silo (12) are connected with the inlet of the fine crushing unit (3) through the conveying belt respectively.
2. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 1, wherein: the transition stock ground (8) is also connected with the inlet of the fine crushing unit (3) through a conveyer belt.
3. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 1, wherein: and a small stone screen (13) is arranged at the inlet of the small stone bin (11).
4. The sand aggregate continuous gradation production system for high performance concrete according to claim 3, wherein: and a small stone high-pressure spray pipe (14) is arranged at the inlet of the small stone screen (13).
5. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 4, wherein: and a small stone dewatering screen (15) is arranged at the undersize outlet of the small stone screen (13), and a sewage guide pipe is arranged below the small stone dewatering screen (15).
6. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 1, wherein: and a large stone screen (16) is arranged at the inlet of the large stone bin (12).
7. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 6, wherein: and a large stone high-pressure spray pipe (17) is arranged at the inlet of the large stone screen (16).
8. The sand aggregate continuous gradation production system for high performance concrete according to claim 7, wherein: and a large stone dewatering screen (18) is arranged at the undersize outlet of the large stone screen (16), and a sewage guide pipe is arranged below the large stone dewatering screen (18).
9. The system for continuously gradation production of gravel aggregate for high-performance concrete according to claim 1, wherein: the medium crushing unit (1) is an HP400C type cone crusher, and the fine crushing unit (3) is a B9100SE type Mejobamk B series vertical shaft type crusher.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120317428.4U CN215140747U (en) | 2021-02-04 | 2021-02-04 | Grit aggregate continuous gradation production system for high performance concrete |
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|---|---|---|---|
| CN202120317428.4U CN215140747U (en) | 2021-02-04 | 2021-02-04 | Grit aggregate continuous gradation production system for high performance concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934437A (en) * | 2021-02-04 | 2021-06-11 | 中国水利水电第九工程局有限公司 | Continuous grading production system and process for sandstone aggregate for high-performance concrete |
| CN115228541A (en) * | 2022-08-02 | 2022-10-25 | 哈尔滨学院 | Rock material processing apparatus for mechanism sand |
-
2021
- 2021-02-04 CN CN202120317428.4U patent/CN215140747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934437A (en) * | 2021-02-04 | 2021-06-11 | 中国水利水电第九工程局有限公司 | Continuous grading production system and process for sandstone aggregate for high-performance concrete |
| CN115228541A (en) * | 2022-08-02 | 2022-10-25 | 哈尔滨学院 | Rock material processing apparatus for mechanism sand |
| CN115228541B (en) * | 2022-08-02 | 2023-10-27 | 哈尔滨学院 | Rock material processing device for machine-made sand |
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