CN117160667A - Sand material cleaning system for concrete production - Google Patents
Sand material cleaning system for concrete production Download PDFInfo
- Publication number
- CN117160667A CN117160667A CN202311309069.8A CN202311309069A CN117160667A CN 117160667 A CN117160667 A CN 117160667A CN 202311309069 A CN202311309069 A CN 202311309069A CN 117160667 A CN117160667 A CN 117160667A
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- Prior art keywords
- sand
- cleaning
- sewage
- washing
- water
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- 239000004576 sand Substances 0.000 title claims abstract description 122
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000005406 washing Methods 0.000 claims abstract description 63
- 239000010865 sewage Substances 0.000 claims abstract description 40
- 238000005189 flocculation Methods 0.000 claims abstract description 36
- 230000016615 flocculation Effects 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims description 15
- 239000011449 brick Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 22
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The application relates to the technical field of concrete production, in particular to a sand material cleaning system for concrete production. The sand materials subjected to screening are cleaned once at a wheel bucket type sand washer, the sand materials subjected to primary cleaning are sent to a sand washing pool for secondary cleaning, the sand materials subjected to secondary cleaning are sent to a water washing vibrating screen for tertiary cleaning, sewage generated by primary cleaning and tertiary cleaning is treated by a flocculation tank, the obtained clean water is returned to the primary cleaning, secondary cleaning and tertiary cleaning working sections respectively, mud generated after the flocculation tank treatment is subjected to filter pressing by a filter press, and the generated clean water is returned to the primary cleaning working section and the secondary cleaning working section for recycling. According to the application, the sand is cleaned for three times, so that the clean sand is obtained, is used for producing concrete, ensures the production quality of the concrete, realizes the comprehensive recycling of water resources through reasonable process and factory layout, and effectively realizes the saving of the water resources and reduces the production cost of enterprises.
Description
Technical Field
The application relates to the technical field of concrete production, in particular to a sand material cleaning system for concrete production.
Background
Traditional river sand or machine-made sand all need wash sand in concrete production's in-process, can get rid of earth, stone dust etc. in the sand material through sand washing technology, earth, stone dust content are too much and do not satisfy building sand's standard, just can reach standard after need washing treatment to guarantee the quality of the concrete of production, and then guarantee the construction quality of building engineering, along with the development of capital construction trade and the continuous improvement of the engineering project quality importance, the requirement to the finished sand material quality of grit production line is also higher and higher.
In order to improve the quality of finished sand materials, the existing sand washing process always faces the problem of large equipment occupation in the cleaning process, such as a sand washing mode of adopting a plurality of bucket-type sand washers in series, however, the quality of the obtained sand materials is not easy to control, the fluctuation of the mixing amount of sand materials is large, the quality of concrete is influenced, sand materials coming out of the bucket-type sand washers are always directly conveyed to a water washing vibrating screen through a belt conveyor to be cleaned again, the occupied area of equipment in the process is large, the cost is high, meanwhile, the problems of large water consumption and large sewage discharge in the production process are also faced, the water resource saving and the environmental protection are not facilitated, when the sewage treatment equipment of a flocculation tank is used, the occupied area of a factory is further increased, in addition, various conveying equipment is numerous, the production cost is further increased, and the production burden is not small for enterprises.
Therefore, in actual production, on the premise that the quality of the obtained sand finished product can be ensured through reasonable process flow and factory layout, the occupied area and the construction cost related to factory layout can be effectively reduced, the purchase, subsequent use and maintenance cost of equipment are effectively controlled, meanwhile, the generated sewage is effectively treated, the water resource is saved and comprehensively utilized, and the environment-friendly sand cleaning system for concrete production is realized.
Disclosure of Invention
The application aims to provide a sand material cleaning system for concrete production, which solves the problems that the sand material content of finished sand materials is not easy to control in the sand material cleaning process in the prior sand material cleaning process, the occupied area of equipment factory buildings is large, the equipment cost is high, the water consumption and the pollution discharge are large, and the water resource conservation, the environmental protection and the reduction of enterprise production are not facilitated.
In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides a sand material cleaning system for concrete production, includes wheel bucket formula sand washer, carries out once wasing to the sand material in wheel bucket formula sand washer department, and the sand material after once wasing is gone to the sand washing pond and is carried out the secondary and washs, and the sand material after the secondary washs carries to the washing shale shaker through slush pump B and washs for three times.
Further, the sewage after primary cleaning is collected in a sewage tank, a slurry pump A is arranged in the sewage tank, the sewage in the sewage tank is conveyed to a flocculation tank for treatment through the slurry pump A, and the sewage after tertiary cleaning is conveyed to the flocculation tank for treatment through the slurry pump A.
Further, after the sewage is treated by the flocculation tank, the obtained clean water is respectively conveyed to a bucket wheel sand washer for primary cleaning, a sand washing pool for secondary cleaning and a water washing vibrating screen for tertiary cleaning.
Further, the heights of the water inlet ends of the bucket wheel sand washer, the sand washing tank and the water washing vibrating screen are lower than the height of the clean water outlet of the flocculation tank, and the clean water obtained after treatment of the flocculation tank overflows to the bucket wheel sand washer, the sand washing tank and the water washing vibrating screen respectively.
Further, the water washing vibrating screen is supplemented with a proper amount of clear water from the outside according to working conditions.
Further, after the sewage is treated by the flocculation tank, mud deposited at the bottom of the flocculation tank is conveyed to a filter press for filter pressing, and clear water generated by filter pressing is returned to a bucket wheel sand washer for primary cleaning and a sand washer for secondary cleaning through conveying equipment.
Further, mud cakes generated after the mud is subjected to filter pressing by a filter press are sent to a brick making section.
Further, the clean sand obtained after three times of cleaning is collected in a high-level stock bin and then goes to a concrete preparation section.
The application has the beneficial effects that:
1. the sand is cleaned once at the wheel type sand washer, is cleaned twice at the sand washer, is cleaned three times at the water-washing vibrating screen, and is thoroughly cleaned through the process flow of the three times of cleaning, so that clean sand is obtained;
2. the sewage generated in the production process is treated by the flocculation tank, so that the environment is protected in the process, and on the other hand, the clean water generated after the sewage is treated can be used for each cleaning section, so that the water resource conservation and recycling are realized;
3. the mud generated by the flocculation tank is treated, and bricks are made on the generated mud cake in the process, so that the comprehensive utilization of resources is realized, and on the other hand, the obtained clean water is returned to the first cleaning section and the second cleaning section, so that the water resource saving is realized.
Drawings
FIG. 1 is a schematic view of the installation of the apparatus arrangement of the present application;
FIG. 2 is a schematic view of the flocculation tank slurry treatment of the present application;
FIG. 3 is a schematic illustration of the process flow of the present application.
Name corresponding to each label in the figure:
1. wheel bucket type sand washer; 11. a water outlet pipe; 2. a sewage pool; 21. a slurry pump A; 211. a conveying pipe A; 3. a sand washing pool; 31. a slurry pump B; 311. a conveying pipe B; 4. a flocculation tank; 41. clear water return pipe; 5. washing the vibrating screen with water; 51. a water collection tank; 52. a discharge chute; 53. a blow-down pipe; 6. a belt conveyor; 7. a high-level stock bin; 8. a sewage pump; 81. a conveying pipe C; 9. and (3) a filter press.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
As shown in fig. 1 to 3, sand is washed once in the bucket wheel type sand washer 1, sewage of the bucket wheel type sand washer 1 overflows into the sewage tank 2 through the water outlet pipe 11, sand washed once by the bucket wheel type sand washer 1 is discharged into the sand washing tank 2, sewage in the sewage tank 2 is pumped into the flocculation tank 4 through the conveying pipe a211 through the slurry pump a21 for treatment, under the treatment of flocculating agent, clean water is partially returned into the sand washing tank 3 through the clean water return pipe 41, sand is washed twice in the sand washing tank 3, sand washed twice is pumped into the water washing vibrating screen 3 through the conveying pipe B311 through the slurry pump B31, and the clean water returned by the clean water return pipe 41 is partially returned to the bucket wheel type sand washer 1 for washing once, and the sand is also partially returned to the water washing vibrating screen 5 for washing three times.
The mud settled by the flocculation tank 4 is conveyed to a filter press 9 for filtering, mud cakes obtained by filter pressing are conveyed to a brick making working section, clear water obtained by filter pressing is returned to the sand washing pool 3 and the bucket wheel sand washer 1, sand materials washed by the water washing vibrating screen 5 for three times are conveyed to the belt conveyor 6 through the discharge chute 52, and then conveyed to the high-level storage bin 7 for storage through the belt conveyor 6, finally the mud is conveyed to a concrete preparation working section, and sewage washed by the water washing vibrating screen 5 is collected through the water collecting chute 51 and then pumped to the flocculation tank 4 through the sewage pump 8 by the sewage pipe 53 for sewage treatment.
The principle of the application is as follows:
the sand materials are conveyed into the wheel bucket type sand washer 1 for sand washing after being screened (a vibrating screen), the wheel bucket type sand washer 1 can clean the sand materials in the process, but the sand materials cannot be completely cleaned in actual production and application, if a mode that a plurality of wheel bucket type sand washers 1 are connected in series is adopted, on one hand, the occupied area is large, on the other hand, the equipment cost is high, and most importantly, the treatment effect is not ideal, therefore, the application adopts one wheel bucket type sand washer 1, thereby reducing unnecessary occupied area and equipment cost, and the cleaned sewage is collected in the sewage pool 2, and the cleaned sand materials are directly sent to the sand washing pool 3.
The sewage in the sewage tank 2 is pumped into a flocculation tank 4 for treatment by a slurry pump A21, a flocculation reagent (PAM, etc.) is added into the flocculation tank 4, at the moment, clear water after flocculation precipitation overflows and flows back into the sand washing tank 2, in the sand washing tank 2, part of the back-flowing clear water is sprayed on sand materials coming out of the bucket type sand washer 1 for secondary washing, part of the back-flowing clear water is sent to a feeding end of the bucket type sand washer 1 for primary washing of the sand materials, part of the clear water is sent to a water washing vibrating screen 5 for tertiary washing, the sand materials after the secondary washing are pumped into the water washing vibrating screen 5 by a slurry pump B31 for tertiary washing (a conveying pipe B311 is provided with a plurality of outlets on the water washing vibrating screen 5), the slurry can be evenly spread at the feeding end of the washing vibrating screen 5, so that uniform washing dehydration is facilitated, slurry treated by the flocculation tank 4 in the process is conveyed to the filter press 9 from the bottom of the flocculation tank 4 for filter pressing, mud cakes after filter pressing go to a brick making section, comprehensive utilization of resources is achieved, clear water after filter pressing is returned to the sand washing tank 3 and the bucket-type sand washer 1 (the water quantity generated by filter pressing is less and equipment cost is considered, a pump is required to be added, the washing vibrating screen position 5 is higher, and filter pressing clear water does not return to the washing vibrating screen 5), so that comprehensive utilization of water resources is achieved.
The clean sand is obtained after three times of cleaning by the water-washing vibrating screen 5, the sand is stored by the high-level storage bin 7 in the process and then can be conveyed to the concrete preparation section, the sewage obtained by water washing is returned to the flocculation tank 4 for further treatment, and then the clean water is recycled, so that the recycling of water resources is realized.
The process of the application is used for producing concrete by cleaning the sand for three times, thus obtaining clean sand, being used for producing concrete, ensuring the production quality of the concrete, simultaneously treating sewage through the flocculation tank 4 in the process, respectively cleaning the sewage treated by the flocculation tank 4 in the process to the position of the bucket-type sand washer 1 for one time, cleaning the position of the sand washing tank 3 for the second time, cleaning the position of the water washing vibrating screen 5 for three times, simultaneously, because of the arrangement of a factory building, no additional conveying equipment is required, contributing to the reduction of cost, and after the mud treated by the flocculation tank 4 is subjected to filter pressing, the obtained clean water is respectively returned to the position of the bucket-type sand washer 1 for one time for the second time, the comprehensive recycling of water resources is realized in the whole process, and only a certain amount of clean water (determined according to process conditions) is needed to be supplemented at the position of the water washing vibrating screen 5 in the process, thus the operation of the process can be maintained, and the water resource saving is effectively realized.
Meanwhile, the filter cake obtained after filtering by the filter press 9 is used for making bricks, so that comprehensive utilization of resources is realized, meanwhile, the wheel bucket sand washer 1, the flocculation tank 4, the water washing vibrating screen 5, various pumps and the like related to the application are all existing mature equipment, and a person skilled in the art can understand that in addition, a control valve is needed for distributing clear water in the flocculation tank 4, and a conveying equipment is needed for distributing clear water out of the filter press 9, and the process is all the existing mature equipment which is not repeated herein.
The present application is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present application can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present application fall within the scope of the present application.
Claims (8)
1. A sand material cleaning system for concrete production is characterized in that: the sand washer comprises a wheel bucket type sand washer (1), sand is washed once at the wheel bucket type sand washer (1), the sand after being washed once is sent to a sand washing pool (3) for secondary washing, and the sand after being washed twice is conveyed to a water washing vibrating screen (5) for tertiary washing through a slurry pump B (31).
2. A concrete production sand cleaning system as claimed in claim 1, wherein: the sewage after primary cleaning is collected in the sewage tank (2), a slurry pump A (21) is arranged in the sewage tank (2), the sewage in the sewage tank (2) is conveyed to the flocculation tank (4) for treatment through the slurry pump A (21), and the sewage after tertiary cleaning is conveyed to the flocculation tank (4) for treatment through the sewage pump (8).
3. A concrete production sand cleaning system as claimed in claim 2, wherein: after the sewage is treated by the flocculation tank (4), the obtained clean water is respectively conveyed to the wheel bucket type sand washer (1) for primary cleaning, the sand washing tank (3) for secondary cleaning and the water washing vibrating screen (5) for tertiary cleaning.
4. A concrete production sand cleaning system according to claim 3, wherein: the water inlet ends of the wheel bucket type sand washer (1), the sand washing tank (3) and the water washing vibrating screen (5) are lower than the clear water outlet of the flocculation tank (4), and clear water obtained after treatment of the flocculation tank (4) overflows to the wheel bucket type sand washer (1), the sand washing tank (3) and the water washing vibrating screen (5) respectively.
5. A concrete production sand cleaning system according to claim 3, wherein: and a proper amount of clear water is supplemented from the outside at the position of the water washing vibrating screen (5) according to working conditions.
6. A concrete production sand cleaning system as claimed in claim 2, wherein: after the sewage is treated by the flocculation tank (4), mud deposited at the bottom of the flocculation tank (4) is conveyed to the filter press (9) for filter pressing, and clear water generated by filter pressing returns to the bucket wheel sand washer (1) for primary cleaning and the sand washer (3) for secondary cleaning through conveying equipment.
7. The concrete production sand cleaning system of claim 6, wherein: the mud cake produced after the mud is subjected to filter pressing by a filter press (9) is sent to a brick making working section.
8. A concrete production sand cleaning system as claimed in claim 2, wherein: the clean sand obtained after the sand is washed for three times is collected in a high-level stock bin (7) and then goes to a concrete preparation working section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311309069.8A CN117160667A (en) | 2023-10-10 | 2023-10-10 | Sand material cleaning system for concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311309069.8A CN117160667A (en) | 2023-10-10 | 2023-10-10 | Sand material cleaning system for concrete production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117160667A true CN117160667A (en) | 2023-12-05 |
Family
ID=88933825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311309069.8A Pending CN117160667A (en) | 2023-10-10 | 2023-10-10 | Sand material cleaning system for concrete production |
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| Country | Link |
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| CN (1) | CN117160667A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025800A (en) * | 1999-07-16 | 2001-01-30 | Ekorokku:Kk | Treatment of dredged sludge |
| CN101288872A (en) * | 2007-04-18 | 2008-10-22 | 上海建工（集团）总公司 | Marine sand processing technique |
| CN205684658U (en) * | 2016-06-17 | 2016-11-16 | 大连安达船用螺旋桨有限公司 | A kind of water-glass sand regenerative system |
| CN111068902A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Energy-saving mud cake conveying system |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| CN113603272A (en) * | 2021-09-08 | 2021-11-05 | 成都大宏立机器股份有限公司 | Standardized water treatment system |
-
2023
- 2023-10-10 CN CN202311309069.8A patent/CN117160667A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025800A (en) * | 1999-07-16 | 2001-01-30 | Ekorokku:Kk | Treatment of dredged sludge |
| CN101288872A (en) * | 2007-04-18 | 2008-10-22 | 上海建工（集团）总公司 | Marine sand processing technique |
| CN205684658U (en) * | 2016-06-17 | 2016-11-16 | 大连安达船用螺旋桨有限公司 | A kind of water-glass sand regenerative system |
| CN111068902A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Energy-saving mud cake conveying system |
| CN111068901A (en) * | 2019-12-25 | 2020-04-28 | 日昌升建筑新材料设计研究院有限公司 | Desilting preposition water-saving energy-saving sand stone aggregate washing system |
| CN113603272A (en) * | 2021-09-08 | 2021-11-05 | 成都大宏立机器股份有限公司 | Standardized water treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 杨嘉震: "《中小型混凝土预制厂生产技术》", 31 March 1988, 中国建筑工业出版社, pages: 88 - 90 * |
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