CN114918225A - Concrete sand-stone separation and recovery system and use method thereof - Google Patents
Concrete sand-stone separation and recovery system and use method thereof Download PDFInfo
- Publication number
- CN114918225A CN114918225A CN202210544571.6A CN202210544571A CN114918225A CN 114918225 A CN114918225 A CN 114918225A CN 202210544571 A CN202210544571 A CN 202210544571A CN 114918225 A CN114918225 A CN 114918225A
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- bailing
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- 239000004575 stone Substances 0.000 title claims abstract description 92
- 238000011084 recovery Methods 0.000 title claims abstract description 50
- 238000000926 separation method Methods 0.000 title claims abstract description 30
- 239000004567 concrete Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 185
- 239000010865 sewage Substances 0.000 claims abstract description 67
- 238000004140 cleaning Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000003860 storage Methods 0.000 claims abstract description 51
- 239000007921 spray Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 9
- 238000011068 loading method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000000284 extract Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/008—Vehicle cleaning apparatus not integral with vehicles for interiors of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/45—Concrete
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a concrete sand-stone separation and recovery system and a using method thereof, wherein the system comprises a cleaning area, a sand-stone separation area, a sand-stone subpackaging area and a sewage tank; the cleaning area comprises a parking space and a cleaning groove; the cleaning tank is provided with a cleaning spray head; the sand-stone separation zone is provided with a sand-stone separator, a bailing machine, a sand-water temporary storage pool and a bailing machine drainage storage pool; the sand and stone split charging area comprises a sand charging pool and a stone charging pool; the sand-stone separator is provided with a sand outlet and a stone outlet which are respectively communicated with the sand-water temporary storage pool and the stone containing pool; the bailing machine is provided with a bailing inlet, a water outlet and a sand discharge port; the bailing inlet is communicated with a sand water temporary storage pool; the water outlet is communicated with a water discharging storage pool of the bailing machine; the bailing machine is connected with a fine sand recovery device; the drainage storage pool of the bailing machine is connected with a sand suction pump; the sand suction pump is connected with the fine sand recovery device; the sand discharge port is connected with a sand filling pool. The device can avoid the blockage of the sand pumping pipeline, reduce the water entering into a sand pile and reduce the fine sand entering into a sewage pool.
Description
Technical Field
The invention belongs to the technical field of concrete production equipment, and relates to a concrete sand and stone separation and recovery system and a using method thereof.
Background
In the concrete production and transportation process, a large amount of concrete can remain in the stirring tank after the cement tank truck transports the concrete, and sand and stones in the concrete can be recycled after being recovered and stored separately, so that the production cost is effectively reduced. In the traditional concrete recovery procedure, a sand pump is often adopted to pump medium sand for a long time, so that pipelines are easy to block; after the sand-stone separator finishes sand-stone separation, sand and stones are directly conveyed into corresponding storage positions respectively through an auger, so that more water is entrained, sand piles are washed out and are not piled, a large amount of fine sand flows along with the water, and recycling is inconvenient; after the sand and the stone are separated and stored, a large amount of fine sand flows into the sewage tank, more fine sand in the sewage tank is precipitated, the pipeline in the sewage tank is blocked, and meanwhile, the fine sand is insufficiently recovered.
Disclosure of Invention
The invention aims to provide a concrete sand-stone separation and recovery system and a using method thereof aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a concrete sand-stone separation and recovery system comprises a cleaning area, a sand-stone separation area, a sand-stone subpackaging area and a sewage pool; the cleaning area is provided with a parking space for parking a cement tank truck and a cleaning tank; a cleaning spray head is arranged on the cleaning tank; the sand and stone separation zone is provided with a sand and stone separator, a bailing machine, a sand and water temporary storage pool and a bailing machine drainage storage pool; the bottom of the cleaning tank is inclined and is communicated with an inlet of the sand-stone separator; the sand and stone subpackaging area comprises a sand containing pool and a stone containing pool; the sand-stone separator is provided with a sand outlet and a stone outlet; the sand outlet is communicated with a sand water temporary storage pool; a corrugated flange belt I is connected between the stone outlet and the stone containing pool; the bailing machine is provided with a bailing inlet, a water outlet and a sand discharge port; a bailing inlet of the bailing machine is communicated to the bottom of the sand water temporary storage pool; a water outlet of the bailing machine is communicated with a water discharging storage pool of the bailing machine; a sand suction pump is connected to the drainage storage pool of the bailing machine; the bailing machine is also provided with a fine sand recovery device; the fine sand recovery device is respectively connected with a sand suction pump and a bailing machine through pipelines; and a corrugated rib belt II is connected between the sand discharge port of the sand bailer and the sand containing pool.
The cleaning spray head is connected with a clear water pipe and can clean the cement tank truck; the sand-stone separator is a sand-stone separator in the common concrete industry, and can be used for cleaning concrete residues and separating sand and stones; the bailer adopts a bailing form, sand can be bailed out of the sand water temporary storage pool, water flows down in the bailing process, and the water is prevented from being brought into equipment; the bottom of the cleaning tank is inclined, so that sewage and sand can conveniently enter the sand-stone separator; the sand containing pool and the stone containing pool are respectively used for storing sand and stones; the sand-water temporary storage pool is used for temporarily storing sand and water discharged from the sand-stone separator; the corrugated flange belt I is used for conveying stones from the sand-stone separator into the stone containing pool; the bailing machine drainage storage pool is used for storing water discharged from the bailing machine; the sand suction pump can pump the fine sand precipitated at the bottom of the drainage storage pool of the bailer back into the bailer, so that excessive fine sand is prevented from entering the sewage pool, and the effect of recovering the fine sand is also achieved; and the corrugated flange belt II sends sand from the bailing machine to the sand containing pool.
As a further technical improvement, a filter screen and a recovery pipe communicated with a bailing machine are arranged in the middle of the fine sand recovery device; and a drain pipe I communicated with the sewage tank is arranged at the lower part of the fine sand recovery device. The filter screen is used for filtering fine sand; the filter screen inclines towards the direction of the recovery pipe; the middle part of the fine sand recovery device is also provided with a vibration motor, and the vibration motor can shake the fine sand on the filter screen, so that the fine sand enters the fine sand recovery device from the recovery pipe.
As a further technical improvement, the cleaning tank is provided with a drain pipe II communicated with the sewage tank; and the inlet of the drain pipe II is positioned at the upper part of the cleaning tank. The drain pipe II can send the water to be overflowed in the cleaning tank into the sewage tank; and a filter is also arranged on the drain pipe II.
As a further technical improvement, a sewage pump I is also arranged in the drainage storage pool of the bailing machine; the position of the sewage pump I is higher than that of the sand suction pump; and the sewage pump I is connected with a drain pipe III which is communicated with a sewage pool. The sewage pump I is connected with a liquid level switch, when the sand suction pump is not ready to suck water and sand, the water level in the drainage storage pool of the bailing machine rises, when the water level is high to a certain degree, the liquid level switch is triggered, the sewage pump I is started, and sewage is pumped into the sewage pool through the drainage pipe III.
As a further technical improvement, a sewage pump II is also arranged in the sewage tank; and the sewage pump II is connected with a drain pipe IV which is communicated with the cleaning tank. The sewage pump II can extract water and partial gravel in the sewage tank into the cleaning tank, so that the gravel in the sewage tank is recovered after being treated by the sand-stone separator.
As a further technical improvement, the device also comprises a ditch; the ditch surrounding cleaning area and the sand and stone separation area are arranged; and an overflow pipe communicated with a ditch is arranged at the upper part of the sand water temporary storage pool.
As a further technical improvement, a slope is arranged at the position of the parking space; the bottom of the slope is positioned at the edge of the cleaning tank; and an anti-sliding cushion block is also arranged on the slope.
The use method of the concrete sand-stone separation and recovery system comprises the following steps:
cleaning: the cement tank truck is parked into the parking space in a reversing mode, at the moment, the outlet of a cement stirring tank on the cement tank truck is positioned above the cleaning tank, and the inlet of the cement stirring tank is positioned below the cleaning spray head; the cleaning spray head sprays water to clean the interior of a cement stirring tank of the cement tank truck; carrying sand and stone in the cleaned sewage to enter a cleaning tank;
sand and stone separation: the cleaned sewage flows into a sand-stone separator from the cleaning tank; the sand-stone separator separates stones from sand, then the stones enter the stone loading pool through the corrugated flange belt I, and the sand and water enter the sand-water temporary storage pool;
bailing sand: the bailing machine is used for fishing out sand from the sand water temporary storage tank and sending the sand into the sand containing tank through a corrugated flange belt II; the sewage fished into the bailing machine simultaneously carries part of fine sand and is discharged into a drainage storage pool of the bailing machine; the sand suction pump extracts fine sand and partial sewage from a drainage storage pool of the bailing machine and discharges the fine sand and partial sewage into a fine sand recovery device; the fine sand recovery device filters the fine sand and discharges the fine sand into the bailing machine, and meanwhile, water in the fine sand recovery device flows into the sewage pool from the drain pipe I.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the sand loading device, sand separated by the sand-stone separator can be fished and then sent into the sand loading pool through the sand fishing machine, so that the situation that the sand separated by the sand-stone separator is directly sent into the sand loading pool is avoided, water can be reduced to enter the sand loading pool by adopting a sand fishing mode, sand can be piled, fine sand is not taken away by water, and subsequent sand can be conveniently taken.
2. The device can recycle the fine sand discharged along with water in the bailing machine through the fine sand recovery device, improve the recovery rate and avoid excessive fine sand precipitation in the pool caused by discharging the fine sand into a sewage pool.
3. The device adopts the sand pump to pump water and a small amount of fine sand, thereby avoiding the situation that a large amount of medium sand enters the sand pump in the traditional process, and ensuring that the sand pump and a corresponding pipeline cannot be blocked.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the device of the system.
FIG. 2 is a side view of the connection of the devices of the system.
FIG. 3 is a schematic side view of the cleaning zone.
Reference numerals: 1-parking space, 2-cement tank truck, 3-cleaning tank, 4-cleaning nozzle, 5-drain pipe I, 6-sand separator, 7-bailer, 8-bailer drainage storage tank, 9-sand suction pump, 10-ripple flange belt I, 11-ripple flange belt II, 12-fine sand recovery device, 13-sewage tank, 14-drain pipe II, 15-sand containing tank, 16-stone containing tank, 17-slope, 18-ditch, 19-anti-slide block, 20-sand water temporary storage tank, 21-filter screen, 22-recovery pipe, 23-sewage pump I, 24-drain pipe III, 25-sewage pump II, 26-drain pipe IV.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-3, a concrete sand-stone separating and recycling system comprises a cleaning zone, a sand-stone separating zone, a sand-stone separate-loading zone and a sewage tank 13; the cleaning area is provided with a parking space 1 for parking a cement tank truck 2 and a cleaning tank 3; a cleaning spray head 4 is arranged on the cleaning tank 3; the sand-stone separation zone is provided with a sand-stone separator 6, a bailing machine 7, a sand-water temporary storage pool 20 and a bailing machine drainage storage pool 8; the bottom of the cleaning tank 3 is inclined and is introduced into an inlet of a sand-stone separator 6; the sand and stone subpackaging area comprises a sand containing pool 15 and a stone containing pool 16; the sand-stone separator 6 is provided with a sand outlet and a stone outlet; the sand outlet is communicated with a sand water temporary storage pool 20; a corrugated flange belt I10 is connected between the stone outlet and the stone containing pool 16; a bailing inlet, a water outlet and a sand discharge port are arranged on the bailing machine 7; a bailing inlet of the bailing machine 7 is communicated to the bottom of the sand water temporary storage pool 20; a water outlet of the bailing machine 7 is communicated with a bailing machine water drainage storage pool 8; a sand suction pump 9 is connected to the bailing machine drainage storage pool 8; the bailing machine 7 is also provided with a fine sand recovery device 12; the fine sand recovery device 12 is respectively connected with the sand suction pump 9 and the bailing machine 7 through pipelines; and a corrugated rib belt II 11 is connected between a sand discharge port of the sand bailer 7 and the sand containing pool 15.
The middle part of the fine sand recovery device 12 is provided with a filter screen 21 and a recovery pipe 22 leading into the bailing machine 7; and a drain pipe I5 leading into a sewage tank 13 is arranged at the lower part of the fine sand recovery device 12.
The cleaning tank 3 is provided with a drain pipe II 14 communicated with the sewage tank 13; the inlet of the drain pipe ii 14 is located at the upper portion of the wash bowl 3.
A sewage pump I23 is also arranged in the bailing machine drainage storage pool 8; the position of the sewage pump I23 is higher than that of the sand suction pump 9; the sewage pump I23 is connected with a drain pipe III 24 leading into the sewage pool 13.
A sewage pump II 25 is also arranged in the sewage tank 13; and the sewage pump II 25 is connected with a drain pipe IV 26 communicated with the cleaning tank 3.
The using method of the invention is as follows:
cleaning: the cement tank truck 2 is parked into the parking space 1 in a backing mode, at the moment, the outlet of the cement stirring tank on the cement tank truck 2 is positioned above the cleaning tank 3, and the inlet is positioned below the cleaning nozzle 4; the cleaning spray head 4 sprays water to clean the interior of a cement stirring tank of the cement tank truck; the cleaned sewage carries sand and stones to enter a cleaning tank 3;
sand and stone separation: the cleaned sewage flows into a sand-stone separator 6 from the cleaning tank 3; the sand-stone separator 6 separates stones and sand, then the stones enter the stone-containing pool 16 through the corrugated flange belt I10, and the sand and water enter the sand-water temporary storage pool 20;
bailing: the sand bailer 7 takes out the sand from the sand water temporary storage pool 20 and sends the sand into the sand containing pool 15 through a corrugated rib belt II 11; the sewage fished into the bailing machine 7 simultaneously carries part of fine sand and is discharged into a bailing machine drainage storage pool 8; the sand suction pump 9 extracts fine sand and partial sewage from the drainage storage pool 8 of the bailing machine and discharges the fine sand and partial sewage into the fine sand recovery device 12; the fine sand recovery device 12 filters out the fine sand and discharges the fine sand into the bailer 7, and the water in the fine sand recovery device 12 flows into the sewage tank 13 from the drain pipe i 5.
Example 2:
the present example differs from example 1 in that: also includes a gutter 18; the ditch 18 is arranged around the cleaning area and the sand-stone separation area; an overflow pipe which is led into the ditch 18 is arranged at the upper part of the sand water temporary storage pool 20.
The method of use of this example is the same as example 1.
Example 3:
this example differs from example 2 in that: a slope 17 is arranged at the position of the parking space 1; the bottom of the slope 17 is positioned at the edge of the cleaning tank 3; an anti-rolling cushion block 19 is also arranged on the slope 17.
The method of use of this example is the same as example 1.
Example 4:
this example differs from example 3 in that: also includes a gutter 18; the ditch 18 is arranged around the cleaning area and the sand-stone separation area; the upper part of the sand water temporary storage pool 20 is provided with an overflow pipe leading into the ditch 18. A slope 17 is arranged at the position of the parking space 1; the bottom of the slope 17 is positioned at the edge of the cleaning tank 3; an anti-rolling cushion block 19 is also arranged on the slope 17.
The method of use of this example is the same as example 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a concrete grit separation recovery system which characterized in that: comprises a cleaning area, a sand separation area, a sand subpackaging area and a sewage tank (13); the cleaning area is provided with a parking space (1) for parking a cement tank truck (2) and a cleaning tank (3); a cleaning spray head (4) is arranged on the cleaning tank (3); a sand-stone separator (6), a bailing machine (7), a sand water temporary storage pool (20) and a bailing machine drainage storage pool (8) are arranged on the sand-stone separation zone; the bottom of the cleaning tank (3) is inclined and is introduced into an inlet of the sand-stone separator (6); the sand and stone subpackaging area comprises a sand containing pool (15) and a stone containing pool (16); the sand-stone separator (6) is provided with a sand outlet and a stone outlet; the sand outlet is communicated with a sand water temporary storage pool (20); a corrugated rib belt I (10) is connected between the stone outlet and the stone containing pool (16); a bailing inlet, a water outlet and a sand discharge port are arranged on the bailing machine (7); a bailing inlet of the bailing machine (7) is communicated to the bottom of the sand water temporary storage pool (20); a water outlet of the bailing machine (7) is communicated with a bailing machine water drainage storage pool (8); a sand suction pump (9) is connected to the drainage storage pool (8) of the bailing machine; a fine sand recovery device (12) is also arranged on the bailing machine (7); the fine sand recovery device (12) is respectively connected with a sand suction pump (9) and a bailing machine (7) through pipelines; a corrugated flange belt II (11) is connected between the sand discharge port of the bailing machine (7) and the sand containing pool (15).
2. The concrete gravel separation and recovery system of claim 1, wherein: a filter screen (21) and a recovery pipe (22) leading into the bailing machine (7) are arranged in the middle of the fine sand recovery device (12); and a drain pipe I (5) communicated with a sewage tank (13) is arranged at the lower part of the fine sand recovery device (12).
3. The concrete gravel separation and recovery system of claim 1, wherein: the cleaning tank (3) is provided with a drain pipe II (14) communicated with the sewage tank (13); and the inlet of the drain pipe II (14) is positioned at the upper part of the cleaning tank (3).
4. The concrete gravel separation and recovery system of claim 1, wherein: a sewage pump I (23) is also arranged in the drainage storage pool (8) of the bailing machine; the position of the sewage pump I (23) is higher than that of the sand suction pump (9); the sewage pump I (23) is connected with a drain pipe III (24) which is communicated with the sewage pool (13).
5. The concrete gravel separation and recovery system of claim 1, wherein: a sewage pump II (25) is also arranged in the sewage pool (13); and the sewage pump II (25) is connected with a drain pipe IV (26) which is introduced into the cleaning tank (3).
6. The concrete gravel separation and recovery system of claim 1, wherein: also comprises a ditch (18); the ditch (18) is arranged around the cleaning area and the sand-stone separation area; an overflow pipe which is communicated with a ditch (18) is arranged at the upper part of the sand water temporary storage pool (20).
7. The concrete gravel separation and recovery system of claim 1, wherein: a slope (17) is arranged at the position of the parking space (1); the bottom of the slope (17) is positioned at the edge of the cleaning tank (3); and an anti-sliding cushion block (19) is also arranged on the slope (17).
8. The use method of the concrete gravel separation and recovery system according to any one of claims 1 to 7, wherein: the method comprises the following steps:
1) cleaning: the cement tank truck (2) is parked into the parking space (1) in a backing mode, at the moment, the outlet of the cement stirring tank on the cement tank truck (2) is positioned above the cleaning tank (3), and the inlet of the cement stirring tank is positioned below the cleaning spray head (4); the cleaning spray head (4) sprays water to clean the interior of a cement stirring tank of the cement tank truck; the cleaned sewage carries sand and stones to enter a cleaning tank (3);
2) sand and stone separation: the cleaned sewage flows into a sand-stone separator (6) from the cleaning tank (3); stone and sand are separated by a sand-stone separator (6), then the stone enters a stone loading pool (16) through a corrugated rib belt I (10), and sand and water enter a sand-water temporary storage pool (20);
3) bailing: the sand fishing machine (7) is used for fishing out the sand from the sand water temporary storage pool (20) and sending the sand into the sand containing pool (15) through a corrugated flange belt II (11); the sewage fished into the bailing machine (7) simultaneously carries part of fine sand and is discharged into a drainage storage pool (8) of the bailing machine; a sand suction pump (9) pumps fine sand and partial sewage from a drainage storage pool (8) of the bailing machine and discharges the fine sand and partial sewage into a fine sand recovery device (12); the fine sand recovery device (12) filters the fine sand and discharges the fine sand into the bailing machine (7), and meanwhile, water in the fine sand recovery device (12) flows into the sewage tank (13) from the drainage pipe I (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210544571.6A CN114918225A (en) | 2022-05-19 | 2022-05-19 | Concrete sand-stone separation and recovery system and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210544571.6A CN114918225A (en) | 2022-05-19 | 2022-05-19 | Concrete sand-stone separation and recovery system and use method thereof |
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| CN114918225A true CN114918225A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210544571.6A Pending CN114918225A (en) | 2022-05-19 | 2022-05-19 | Concrete sand-stone separation and recovery system and use method thereof |
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| CN (1) | CN114918225A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976999A (en) * | 2017-05-02 | 2017-07-25 | 郑州新水工机械有限公司 | Concrete mixing plant wastewater ocean disposal system |
| CN111086111A (en) * | 2019-12-30 | 2020-05-01 | 苏州混凝土水泥制品研究院有限公司 | Concrete mixing plant sewage recovery and cyclic utilization system |
| CN213856280U (en) * | 2020-12-04 | 2021-08-03 | 广州市建筑集团混凝土有限公司 | Material sand recovery unit |
-
2022
- 2022-05-19 CN CN202210544571.6A patent/CN114918225A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976999A (en) * | 2017-05-02 | 2017-07-25 | 郑州新水工机械有限公司 | Concrete mixing plant wastewater ocean disposal system |
| CN111086111A (en) * | 2019-12-30 | 2020-05-01 | 苏州混凝土水泥制品研究院有限公司 | Concrete mixing plant sewage recovery and cyclic utilization system |
| CN213856280U (en) * | 2020-12-04 | 2021-08-03 | 广州市建筑集团混凝土有限公司 | Material sand recovery unit |
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