CN205700988U - A kind of preparation system of rock fill dam bedding material - Google Patents
A kind of preparation system of rock fill dam bedding material Download PDFInfo
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- CN205700988U CN205700988U CN201620621904.0U CN201620621904U CN205700988U CN 205700988 U CN205700988 U CN 205700988U CN 201620621904 U CN201620621904 U CN 201620621904U CN 205700988 U CN205700988 U CN 205700988U
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of preparation system of panel rock fill dam bedding material, system include coarse crushing section, coarse crushing section have the first screening section, in broken section, the second screening section and in small, broken bits section, main screening section under in small, broken bits section, main screening section has ultrafine grinding section；First order bed course finished product feeding point it is provided with after broken section in, second level bed course finished product material feeding point it is provided with after in small, broken bits section, being provided with third level bed course finished product material feeding point after ultrafine grinding section, three grades of bed course finished product material feeding point taken bed course finished product materials all deliver to finished product stockyard by belt feeder.This utility model is under effective crushing and screening PROCESS FOR TREATMENT, control the gradation composition of technological process each node material, choosing upstream and downstream multi-stage process node as feeding point along technological process, crushed by four sections, three grades of finished product bedding material feedings make bed course finished product material cost be substantially reduced；And the continuous compound of the longest grating of first and second part, import to subsequent tapes machine and store up the blending link that feeding transportation produces, reduce quality control difficulty.
Description
Technical field
This utility model relates to rock fill dam bedding material preparation system process technology, is specifically related to a kind of consumption reduction high-quality and completes heap
Masonry dam bedding material preparation system.
Background technology
Panel rock fill dam bedding material requires that grating is continuous, maximum particle diameter ＜ 75mm, and grading curve has strict scope,
By technological requirement, the proportion composite desirable 75mm-40mm:40mm-20mm:20mm-5mm:＜ 5mm=21:19:19 that join at different levels:
41。
Proportioning examples the most at different levels, the material of ＜ 5mm is suitable with conventional three-graded concrete aggregate ratio, 40mm ~ 20mm,
20mm ~ 5mm is higher than conventional three-graded concrete content.In, the preparation intensity of gravelstone, sand high, be not less than common graduation three
Aggregate system.
Thus, the intensity of the broken link of existing panel rock fill dam bedding material preparation system is the space not optimized
, four sections of broken loads are certain.Crushing circuit to be walked completely, i.e. coarse crushing, in broken, in small, broken bits, ultrafine grinding four sections crush.
The conventional concrete aggregate processing technique that panel rock fill dam bedding material is the most typically taked, after four sections broken, divide and takes
Finished product graded aggregate 75mm-40mm:40mm-20mm:20mm-5mm:＜ 5mm, sends into finished product stockyard；The formation of bedding material,
The feeding device feed in proportion divided into by each finished aggregate stockyard, in the sealing-tape machine divided into, is sent, and sends into through jack works and fills
On-the-spot.The i.e. traditional handicraft of " first classification produces graded aggregate, then blends grade separation aggregate in proportion ".
Traditional handicraft cost is high, and easily occurs because blending is not enough, and the matter of grating discontinuous (coarse fodder is concentrated built on stilts) occurs
The problems such as amount defect, the infiltration coefficient of bedding material is difficult to meet 10-3~10-4The requirement of cm/s.
Summary of the invention
For adapting to the development of rock, it is provided that a kind of panel rock fill dam bedding material preparation system, at the most broken sieve
Under division technique processes, control the gradation composition of technological process each node material, choose what technique joint of upstream and downstream along technological process
Point, as feeding point, takes " the continuous compound of long grating of process node " and forms as bedding material finished aggregate, and sealing-tape machine is mixed and joined
Enter bedding material finished product stockyard.Replace " first classification produces graded aggregate, then blends grade separation aggregate in proportion " tradition of strong deciliter
Technique, lower consumption fine quality production.
The purpose of this utility model is achieved in that the preparation system of a kind of panel rock fill dam bedding material, and system includes
Coarse crushing section, coarse crushing section has the first screening section, the first screening section in having broken section, in broken section have the second screening section,
Second screening section has in small, broken bits section, main screening section under in small, broken bits section, and main screening section has ultrafine grinding section；Arrange after broken section in
There is first order bed course finished product feeding point, after in small, broken bits section, be provided with second level bed course finished product material feeding point, at ultrafine grinding Duan Houshe
Third level bed course finished product material feeding point, three grades of bed course finished product material feeding point taken bed course finished product materials is had all to be delivered to into by belt feeder
Product stockyard.
The panel rock fill dam bedding material preparation system of this utility model offer and method, be to arrange four preparing bedding material
Reduction stage and three grades of finished product bedding material feeding points.One-level be located at the first screening with in the ＜ of the first screen house after broken closed circuit crushing
The mixture of 75mm, the big-and-middle gravelstone of this part mixes and sand ratio are 49:27:18:6, and feeding flow process amount presses great Shi finished product
Flow-control, the bed course finished product material of i.e. 42% thus part composition；After one-level is located at the second screening and open circuit in small, broken bits, crushing and screening
Mixture, the middle gravelstone of this part mixes and sand ratio are 36:46:18, and feeding flow process amount presses the scarce finished product flow of middle gravelstone
Meansigma methods controls, the bed course finished product material of i.e. 38% thus part composition；One-level be located at main screening and ultrafine grinding closed circuit after finished sand
Expecting, feeding flow process amount presses the scarce finished product flow-control of sand, the bed course finished product material of i.e. 20% thus part composition.
Therefore, the bed course finished product material of 42% by broken rear flow process section take out, the bed course finished product material of 38% is by stream after in small, broken bits
Journey section is taken out, and bed course finished product material cost is substantially reduced；And Part I and the Part II continuous compound of the longest grating,
Import to subsequent tapes machine and store up the blending link reduction quality control difficulty that feeding transportation produces.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the layout of equipment of the present utility model.
Detailed description of the invention
The preparation system of a kind of panel rock fill dam bedding material, system includes that coarse crushing section 1, coarse crushing section 1 have the first screening
Section 8, the first screening section 8 have in broken section 2, in broken section 2 have the second screening section 9, the second screening section 9 has in small, broken bits section
3, in small, broken bits section of 3 times main screening section 10, main screening section 10 has ultrafine grinding section 4；First order bed course it is provided with after broken section 2 in
Product feeding point 5, is provided with second level bed course finished product material feeding point 6 after in small, broken bits section 3, is provided with third level pad after ultrafine grinding section 4
Layer finished product material feeding point 7, three grades of bed course finished product material feeding point taken bed course finished product materials all deliver to finished product stockyard 13 by belt feeder.
Finished product stockyard 13 is additionally provided with transhipment belt 12.
This utility model, as a example by granite parent rock, illustrates using method of the present utility model:
1) material entrance coarse crushing section 1 crushes, and enters back into the first screening section 8 and sieve after crushing after belt feeder sends into stockyard
Point, during the material of the ＞ 75mm after classification enters back into, broken section 2 crushes, in broken section 2 and the first screening section 8 form closed circuit production, <
The material of 75mm concentrates on semi-finished product stockyard 14, and first order bed course finished product feeding point 5, by semi-finished product stockyard 14 feeding, passes through belt
Finished product stockyard 13 sent into by machine 11；The big-and-middle gravelstone of this part mixes and sand ratio are 49:27:18:6, feeding flow process amount mat
The great Shi content that layered material finished product requires controls, the bed course finished product material of i.e. 42% thus part composition.
2) material in semi-finished product stockyard 14 is in addition to entering finished product stockyard 13, is also sent to the second screening section 9 and sieves, point
After Ji > material of 40mm after in small, broken bits section 3 broken, collect less than 40mm material after classification, this process node is second
Level bed course feeding point 6, imports belt feeder 11 and sends into finished product stockyard 13 after feeding；Another part enters main screening section 10；This part
The middle gravelstone of mixture and sand ratio are 36:46:18, and feeding flow process amount deducts the by the middle gravelstone content of bedding material finished product requirement
Lacked medium and small finished product content meansigma methods after one-level feeding point to control, the bed course finished product material of i.e. 38% thus part composition；Another part
Enter main screening section 10；
3) material of main screening section 10 is entered after screening, more than 5mm material and ultrafine grinding 4 closed circuit production finished sand material,
Sand finished product process node is third level bed course finished product material feeding point 7, imports belt feeder 11 and send into into through sealing-tape machine 12 after feeding
Product stockyard 13.Feeding flow process amount deducts scarce sand after first and second grade of feeding point sand content by the sand content of bedding material finished product requirement
Finished product content controls, the bed course finished product material of i.e. 20% thus part composition, completes the preparation of panel rock fill dam bedding material.
In this utility model during preparing bed course finished product material, the bed course finished product material of 42% by broken rear flow process section take out,
The bed course finished product material of 38% is taken out by rear flow process section in small, broken bits, and bed course finished product material cost is substantially reduced；And Part I and Part II
The continuous compound of the longest grating, imports to subsequent tapes machine and stores up the blending link reduction matter that feeding transportation produces
Amount controls difficulty.
According to the needs of actual production, the thing that first bed course finished product feeding point the 5, first bed course finished product material feeding point 6 takes out
In material, the building stones ratio of different-grain diameter also can be adjusted, to adapt to different production requirements.
Claims (1)
1. the preparation system of a rock fill dam bedding material, it is characterised in that: system includes that coarse crushing section (1), coarse crushing section (1) have
First screening section (8), the first screening section (8) have in broken section (2), in broken section (2) have the second screening section (9), second
Screening section (9) has in small, broken bits section (3), main screening section (10) under in small, broken bits section (3), and main screening section (10) has ultrafine grinding section
(4)；It is provided with first order bed course finished product feeding point (5) in after broken section (2), after in small, broken bits section (3), is provided with second level bed course
Finished product material feeding point (6), is provided with third level bed course finished product material feeding point (7) after ultrafine grinding section (4), and three grades of bed course finished product materials take
Shots taken bed course finished product material all delivers to finished product stockyard (13) by belt feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620621904.0U CN205700988U (en) | 2016-06-22 | 2016-06-22 | A kind of preparation system of rock fill dam bedding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620621904.0U CN205700988U (en) | 2016-06-22 | 2016-06-22 | A kind of preparation system of rock fill dam bedding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205700988U true CN205700988U (en) | 2016-11-23 |
Family
ID=57315388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620621904.0U Expired - Fee Related CN205700988U (en) | 2016-06-22 | 2016-06-22 | A kind of preparation system of rock fill dam bedding material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205700988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903540A (en) * | 2016-06-22 | 2016-08-31 | 中国葛洲坝集团第五工程有限公司 | Preparation system and method of rock-fill dam bedding material |
-
2016
- 2016-06-22 CN CN201620621904.0U patent/CN205700988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903540A (en) * | 2016-06-22 | 2016-08-31 | 中国葛洲坝集团第五工程有限公司 | Preparation system and method of rock-fill dam bedding material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20200622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |