CN109879620A - A kind of energy and water saving type sandstone aggregate water wash system and application method - Google Patents
A kind of energy and water saving type sandstone aggregate water wash system and application method Download PDFInfo
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- CN109879620A CN109879620A CN201910332134.6A CN201910332134A CN109879620A CN 109879620 A CN109879620 A CN 109879620A CN 201910332134 A CN201910332134 A CN 201910332134A CN 109879620 A CN109879620 A CN 109879620A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 159
- 239000004576 sand Substances 0.000 claims abstract description 75
- 238000002156 mixing Methods 0.000 claims abstract description 41
- 239000000047 product Substances 0.000 claims abstract description 37
- 239000012065 filter cake Substances 0.000 claims abstract description 24
- 238000012216 screening Methods 0.000 claims abstract description 20
- 239000002893 slag Substances 0.000 claims abstract description 16
- 239000013505 freshwater Substances 0.000 claims abstract description 14
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 13
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 238000005065 mining Methods 0.000 claims description 5
- 230000007812 deficiency Effects 0.000 claims description 4
- 230000003020 moisturizing effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 206010016256 fatigue Diseases 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
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- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of energy and water saving type sandstone aggregate water wash system and application method, it and a kind of sandstone aggregate field, and in particular to a kind of energy and water saving type sandstone aggregate water wash system and application method.The problem of being gathered the purpose of the present invention is to solve flocculant in sandstone aggregate water wash system.A kind of energy and water saving type sandstone aggregate water wash system, it includes crusher, checks sieve, heavy caliber anti-blocking sprayer, mixing aggregate belt feeder, fan nozzle, finished product screen, finished aggregate belt feeder, light wastewater disposal basin, light waste water slag stock pump, sand washer, dewatering screen, finished sand belt feeder, density wastewater Pulp pump, density wastewater pond, plate and frame filter press, filter cake belt feeder, clear water reserviors and fresh water pump；Application method: one, it crushes；Two, the first screening；Three, the second screening；Four, wheel is washed；Five, wastewater treatment.The utility model has the advantages that one, flocculant is not added；Two, effluent quality is generally in 5mg/L or less；Three, water consumption is down to half.Present invention is mainly used for sandstone aggregate washings.
Description
Technical field
The present invention relates to a kind of sandstone aggregate fields, and in particular to a kind of energy and water saving type sandstone aggregate water wash system and makes
Use method.
Background technique
The common wet process washing process of sandstone aggregate industry is washing-dosing precipitating-filters pressing-reuse at present, and the method is used
Water is big, and investment is big, and precipitating effluent quality is unstable, and effluent quality is typically in the range of between 10mg/L~20mg/L (SS content),
The features such as dosage is big.And recycle-water, during recycling, flocculant is gathering always, this can generate one to aggregate quality
Fixing is rung.
Effluent quality of sedimentation tank is unstable, and water consumption is big, meanwhile, sedimentation basin investment cost is high, due to one in water system
It is straight to be recycled, make the coagulant added that there is accumulation effect, it is difficult to remove, to influence aggregate performance.
Summary of the invention
The problem of being gathered the purpose of the present invention is to solve flocculant in sandstone aggregate water wash system, and a kind of section is provided
The energy-saving sandstone aggregate water wash system of water and application method.
A kind of energy and water saving type sandstone aggregate water wash system, it includes crusher, checks sieve, heavy caliber anti-blocking sprayer, mixes
Close aggregate belt feeder, fan nozzle, finished product screen, finished aggregate belt feeder, light wastewater disposal basin, light waste water slag stock pump, sand washer, dehydration
Sieve, finished sand belt feeder, density wastewater Pulp pump, density wastewater pond, plate and frame filter press, filter cake belt feeder, clear water reserviors and fresh water pump；
The discharge port of crusher is correspondingly arranged with the feed inlet for checking sieve, is checked the oversize stone aggregate discharge port of sieve and is crushed
The feed inlet of machine is correspondingly arranged, and checks that the mixing aggregate mouth of sieve is correspondingly arranged with the feed end for mixing aggregate belt feeder, checks sieve
Sand aqueous mixtures discharge port and the feed inlet of sand washer be correspondingly arranged；Heavy caliber anti-blocking sprayer is connected by pipeline and light wastewater disposal basin
It is logical, light waste water slag stock pump is set on pipeline between heavy caliber anti-blocking sprayer and light wastewater disposal basin, and heavy caliber anti-blocking sprayer is arranged
It is checking above sieve；The feed inlet of the discharge end and finished product screen that mix aggregate belt feeder is correspondingly arranged, and the coarse aggregate of finished product screen goes out
The feed end of mouth and fine aggregate outlet and finished aggregate belt feeder is correspondingly arranged, and the light wastewater outlet of finished product screen is by pipeline and gently
The water inlet of wastewater disposal basin is connected to；The wastewater outlet of sand washer is connected to by pipeline with the water inlet in density wastewater pond, and sand washer is washed
Sand is exported to be correspondingly arranged with the feed inlet of dewatering screen, and the finished sand outlet of dewatering screen is corresponding with the feed end of finished sand belt feeder to be set
It sets, the wastewater outlet of dewatering screen is connected to by pipeline with the water inlet in density wastewater pond, and the wastewater outlet in density wastewater pond passes through pipeline
It is connected to the water inlet of plate and frame filter press, density wastewater Pulp pump, plate is set on pipeline between density wastewater pond and plate and frame filter press
The filtrate (liquid of frame filter press is connected to by pipeline with the water inlet of clear water reserviors, the filtered solid outlet and filter cake belt of plate and frame filter press
The feed end of machine is correspondingly arranged, and fan nozzle is connected to by pipeline with clear water reserviors, between fan nozzle and clear water reserviors on pipeline
Fresh water pump is set, and fan nozzle is arranged above finished product screen.
A kind of application method of energy and water saving type sandstone aggregate water wash system is specifically completed according to the following steps:
One, crush: the aggregate of mining is crushed through crusher, mixes aggregate after being crushed；
Two, the first screening: mixing aggregate enters in inspection sieve after broken, the light waste water of light water reuse of light wastewater disposal basin storage
Pulp pump by heavy caliber anti-blocking sprayer to check in sieve it is broken after mixing aggregate carry out cleaning screening, obtain oversize stone aggregate,
Aggregate and sand aqueous mixtures are mixed, oversize stone aggregate returns to crusher and is crushed again；
Three, the second screening: mixing aggregate is sent into finished product screen by mixing aggregate belt feeder, the clear water benefit of clear water reserviors storage
Cleaning screening is carried out to mixing aggregate in finished product screen by fan nozzle with fresh water pump, obtains coarse aggregate, fine aggregate and light waste water,
Light waste water is stored into light wastewater disposal basin；Coarse aggregate and fine aggregate are delivered to finished room through finished aggregate belt feeder and store；
Four, wheel is washed: sand aqueous mixtures are sent into sand washer take turns and be washed, and obtain waste water and wheel washes rear sand, waste water is sent into dense
In wastewater disposal basin, wheel is washed in rear sand feeding dewatering screen and is dehydrated, and the waste water generated after dehydration is sent into density wastewater pond, after dehydration
To finished sand by finished sand belt feeder be delivered to finished room storage；
Five, wastewater treatment: waste water is pumped into plate and frame filter press by density wastewater slurry and carries out filters pressing in density wastewater pond, is obtained
To filtrate and filter cake, filtrate is discharged into clear water reserviors, and filter cake is delivered to mine filling or outward transport by filter cake belt feeder.
The invention has the advantages that:
One, washing, which refers to, is rinsed with water aggregate, and mountain flour, the clay etc. that stick on aggregate are rinsed well.Old process pair
After aggregate is washed, certain mountain flour, SS content 100000mg/L or so, by quiet heavy required precipitating pool area can be contained in water
Too big and effect is undesirable, generally requires addition flocculant to help to precipitate, but flocculant itself can then remain a part and exist
In water, when water is being recycled always, then content of flocculating can be higher and higher, may be to using aggregate as the concrete of core
Some adverse effects are generated, and the present invention does not have sedimentation basin, but directly adopt plate and frame filter press and be filtered, it is possible to no
Add flocculant, avoids the subsequent influence for causing flocculant to gather because of cycling use of water；
Two, present invention saves sedimentation basin link, generally conventional technique is handled using sedimentation basin, due to bone
The characteristic of material industry causes sedimentation basin to be difficult the effect for having stable effluent quality, therefore flushing waste water is directly carried out sheet frame by the present invention
Filters pressing, and liquid effluent quality is fine after generally filtering, stablizes, and is not influenced by aggregate industrial nature, effluent SS content generally exists
5mg/L or less；
Three, in conventional water wash process, each vibrating screen is rinsed using clear water, and aggregate institute in each vibrating screen
The mountain flour contained is inconsistent, and the present invention cleans afterbody vibrating screen using clear water, and the content of stone powder on this sieve is minimum, punching
Waste water after washing is known as light waste water, then with first of vibrating screen of light waste water flushing, is then equivalent to a water and rinses 2 times, with routine
Technique saves half compared to water, saves water resource；
Four, the present invention saves settler and chemicals dosing plant simultaneously, reduces system cost.
Detailed description of the invention
Fig. 1 is process flow chart of the invention, and 1 expression crusher in figure, 2 indicate to check sieve, and 3 indicate the anti-blocking spray of heavy caliber
Head, 4 indicate mixing aggregate belt feeder, and 5 indicate fan nozzle, and 6 indicate finished product screen, and 7 indicate finished aggregate belt feeder, and 8 indicate light
Wastewater disposal basin, the 9 light waste water slag stock pumps of expression, the 10 light wastewater disposal basin water replanishing devices of expression, 11 expression sand washers, 12 expression dewatering screens, 13
Indicate finished product sand belt machine, 14 indicate density wastewater Pulp pump, and 15 indicate density wastewater pond, and 16 indicate plate and frame filter press, and 17 indicate filter
Cake belt feeder, 18 indicate clear water reserviors, and 19 indicate clear water reserviors water replanishing device, and 20 indicate fresh water pump.
Specific embodiment
Specific embodiment 1: present embodiment is a kind of energy and water saving type sandstone aggregate water wash system, it includes broken
Machine 1 checks sieve 2, heavy caliber anti-blocking sprayer 3, mixing aggregate belt feeder 4, fan nozzle 5, finished product screen 6, finished aggregate belt feeder
7, light wastewater disposal basin 8, light waste water slag stock pump 9, sand washer 11, dewatering screen 12, finished sand belt feeder 13, density wastewater Pulp pump 14, dense
Wastewater disposal basin 15, plate and frame filter press 16, filter cake belt feeder 17, clear water reserviors 18 and fresh water pump 20；
The discharge port of crusher 1 and check sieve 2 feed inlet be correspondingly arranged, check sieve 2 oversize stone aggregate discharge port with
The feed inlet of crusher 1 is correspondingly arranged, and checks that the mixing aggregate mouth of sieve 2 is correspondingly arranged with the feed end for mixing aggregate belt feeder 4,
The sand aqueous mixtures discharge port and the feed inlet of sand washer 11 for checking sieve 2 are correspondingly arranged；Heavy caliber anti-blocking sprayer 3 by pipeline with
Light wastewater disposal basin 8 is connected to, and light waste water slag stock pump 9, and big mouth is arranged on pipeline between heavy caliber anti-blocking sprayer 3 and light wastewater disposal basin 8
The setting of diameter anti-blocking sprayer 3 is checking above sieve 2；The discharge end of mixing aggregate belt feeder 4 is corresponding with the feed inlet of finished product screen 6 to be set
It sets, the coarse aggregate outlet and fine aggregate outlet of finished product screen 6 and the feed end of finished aggregate belt feeder 7 are correspondingly arranged, finished product screen 6
Light wastewater outlet is connected to by pipeline with the water inlet of light wastewater disposal basin 8；The wastewater outlet of sand washer 11 passes through pipeline and density wastewater
The water inlet in pond 15 is connected to, and the washed-out sand outlet of sand washer 11 and the feed inlet of dewatering screen 12 are correspondingly arranged, the finished product of dewatering screen 12
Sand is exported to be correspondingly arranged with the feed end of finished sand belt feeder 13, and the wastewater outlet of dewatering screen 12 passes through pipeline and density wastewater pond 15
Water inlet connection, the wastewater outlet in density wastewater pond 15 is connected to by pipeline with the water inlet of plate and frame filter press 16, in density wastewater
Density wastewater Pulp pump 14 is set on pipeline between pond 15 and plate and frame filter press 16, and the filtrate (liquid of plate and frame filter press 16 passes through pipeline
It being connected to the water inlet of clear water reserviors 18, the feed end of the filtered solid outlet and filter cake belt feeder 17 of plate and frame filter press 16 is correspondingly arranged,
Fan nozzle 5 is connected to by pipeline with clear water reserviors 18, and fresh water pump 20 is arranged on pipeline between fan nozzle 5 and clear water reserviors 18,
And fan nozzle 5 is arranged above finished product screen 6.
Principle: the aggregate of mining is crushed using crusher 1, mixes aggregate after recycling 2 pairs of inspection sieve broken
It is sieved, the light waste water slag stock pump 9 of light water reuse that light wastewater disposal basin 8 stores in screening process passes through heavy caliber anti-blocking sprayer 3
Mixing aggregate after being crushed in inspection sieve 2 is cleaned, oversize stone aggregate returns to crusher 1 and is crushed again, mixing aggregate
It is sent into finished product screen 6 by mixing aggregate belt feeder 4, the clear water that clear water reserviors 18 store passes through fan nozzle 5 using fresh water pump 20
Secondary cleaning screening is carried out to aggregate is mixed in finished product screen 6, light waste water is stored into light wastewater disposal basin 8, coarse aggregate and fine aggregate warp
Finished aggregate belt feeder 7 is delivered to finished room storage；Sand aqueous mixtures are sent into sand washer 11 take turns and be washed, and waste water is sent into dense
In wastewater disposal basin 15, wheel is washed in rear sand feeding dewatering screen 12 and is dehydrated, and the waste water generated after dehydration is sent into density wastewater pond 15, is taken off
The finished sand obtained after water is delivered to finished room storage by finished sand belt feeder 13；Waste water passes through dense useless in density wastewater pond 15
Grain slag stock pump 14 is sent into plate and frame filter press 16 and carries out filters pressing, and filtrate is discharged into clear water reserviors 18, and filter cake is defeated by filter cake belt feeder 17
It send to mine filling or outward transport；Present embodiment cleans the mixing aggregate on finished product screen 6 with the clean water in clear water reserviors 18, at
Aggregate is mixed on product sieve 6 because a upper procedure has already passed through primary washing, has removed most of sand and mud, the waste water phase of generation
Less to clay content, i.e., light waste water, light wastewater collection is got up to be discharged into light wastewater disposal basin 8 and is stored, and is given up by light waste water slag stock pump 9 with light
Water is rinsed the aggregate on inspection sieve 2, and takes away most sand and mud, is equivalent to and has cleaned 2 to aggregate with a water
Time, that is, it saves water consumption and also concentrates waste water containing mud, although having gap compared with the slime water after conventional precipitation process,
Concentration is approximately equivalent to 70% or so of storage mud groove concentration, but concentrates one times than precipitation tank influent concentration, is subsequent direct pressure
Filter provides feasibility, and directly reduces settler and chemicals dosing plant.Meanwhile having in regular circulation water utilizing process and not allowing
The problem of ignorance is exactly that the dosage of flocculant is big, and flocculant is being recycled always, this can generate centainly aggregate quality
It influences, and flocculant generally uses PAM in the majority, when being decomposed into small molecule, processing difficulty is larger, also corresponds to add additional
Environmentally friendly cost.Present embodiment does not have sedimentation basin, but directlys adopt plate and frame filter press and be filtered, it is possible to flocculation be not added
Agent avoids the subsequent influence for causing flocculant to gather because of cycling use of water.
Specific embodiment 2: the difference of present embodiment and specific embodiment one is: also being mended comprising light wastewater disposal basin
Water installations 10, light wastewater disposal basin water replanishing device 10 are connected to light wastewater disposal basin 8.Other are same as the specific embodiment one.
Specific embodiment 3: one of present embodiment and specific embodiment one or two difference are: also including clear water
Pond water replanishing device 19, clear water reserviors water replanishing device 19 are connected to clear water reserviors 18.Other are the same as one or two specific embodiments.
Specific embodiment 4: present embodiment and the user for being a kind of energy and water saving type sandstone aggregate water wash system
Method is specifically completed according to the following steps:
One, crush: the aggregate of mining is crushed through crusher 1, mixes aggregate after being crushed；
Two, the first screening: mixing aggregate enters in inspection sieve 2 after broken, and the light water reuse that light wastewater disposal basin 8 stores gently is given up
Grain slag stock pump 9 carries out cleaning screening by mixing aggregate after being crushed in 3 pairs of inspection sieves 2 of heavy caliber anti-blocking sprayer, obtains oversize stone
Aggregate, mixing aggregate and sand aqueous mixtures, oversize stone aggregate return to crusher 1 and are crushed again；
Three, the second screening: mixing aggregate is sent into finished product screen 6 by mixing aggregate belt feeder 4, and clear water reserviors 18 store clear
Water conservancy carries out cleaning screening to mixing aggregate in finished product screen 6 by fan nozzle 5 with fresh water pump 20, obtains coarse aggregate, fine aggregate
With light waste water, light waste water is stored into light wastewater disposal basin 8；Coarse aggregate and fine aggregate are delivered to finished bin through finished aggregate belt feeder 7
Library storage；
Four, wheel is washed: sand aqueous mixtures are sent into sand washer 11 take turns and be washed, and obtain waste water and wheel washes rear sand, waste water is sent into
In density wastewater pond 15, wheel is washed in rear sand feeding dewatering screen 12 and is dehydrated, and the waste water generated after dehydration is sent into density wastewater pond 15,
The finished sand obtained after dehydration is delivered to finished room storage by finished sand belt feeder 13；
Five, wastewater treatment: waste water is sent into plate and frame filter press 16 by density wastewater Pulp pump 14 and is carried out in density wastewater pond 15
Filters pressing obtains filtrate and filter cake, and filtrate is discharged into clear water reserviors 18, and filter cake is delivered to mine filling or outer by filter cake belt feeder 17
Fortune.
Specific embodiment 5: the difference of present embodiment and specific embodiment four is: when light waste water in step 2
When the light waste water deficiency stored in pond 8, moisturizing is carried out using light wastewater disposal basin water replanishing device 10.Other and four phase of specific embodiment
Together.
Specific embodiment 6: one of present embodiment and specific embodiment four or five difference are: clear in step 3
When the clear water water deficiency that pond 18 stores, moisturizing is carried out using clear water reserviors water replanishing device 19.Other with specific embodiment four or
Five is identical.
The content of present invention is not limited only to the content of the respective embodiments described above, the group of one of them or several specific embodiments
The purpose of invention also may be implemented in contract sample.
Using following verification experimental verifications effect of the present invention
Embodiment 1: a kind of energy and water saving type sandstone aggregate water wash system, it includes crusher 1, checks that sieve 2, heavy caliber are anti-
Blocking sprayer 3, mixing aggregate belt feeder 4, fan nozzle 5, finished product screen 6, finished aggregate belt feeder 7, light wastewater disposal basin 8, light waste water slag
Stock pump 9, sand washer 11, dewatering screen 12, finished sand belt feeder 13, density wastewater Pulp pump 14, density wastewater pond 15, plate and frame filter press
16, filter cake belt feeder 17, clear water reserviors 18 and fresh water pump 20；
The discharge port of crusher 1 and check sieve 2 feed inlet be correspondingly arranged, check sieve 2 oversize stone aggregate discharge port with
The feed inlet of crusher 1 is correspondingly arranged, and checks that the mixing aggregate mouth of sieve 2 is correspondingly arranged with the feed end for mixing aggregate belt feeder 4,
The sand aqueous mixtures discharge port and the feed inlet of sand washer 11 for checking sieve 2 are correspondingly arranged；Heavy caliber anti-blocking sprayer 3 by pipeline with
Light wastewater disposal basin 8 is connected to, and light waste water slag stock pump 9, and big mouth is arranged on pipeline between heavy caliber anti-blocking sprayer 3 and light wastewater disposal basin 8
The setting of diameter anti-blocking sprayer 3 is checking above sieve 2；The discharge end of mixing aggregate belt feeder 4 is corresponding with the feed inlet of finished product screen 6 to be set
It sets, the coarse aggregate outlet and fine aggregate outlet of finished product screen 6 and the feed end of finished aggregate belt feeder 7 are correspondingly arranged, finished product screen 6
Light wastewater outlet is connected to by pipeline with the water inlet of light wastewater disposal basin 8；The wastewater outlet of sand washer 11 passes through pipeline and density wastewater
The water inlet in pond 15 is connected to, and the washed-out sand outlet of sand washer 11 and the feed inlet of dewatering screen 12 are correspondingly arranged, the finished product of dewatering screen 12
Sand is exported to be correspondingly arranged with the feed end of finished sand belt feeder 13, and the wastewater outlet of dewatering screen 12 passes through pipeline and density wastewater pond 15
Water inlet connection, the wastewater outlet in density wastewater pond 15 is connected to by pipeline with the water inlet of plate and frame filter press 16, in density wastewater
Density wastewater Pulp pump 14 is set on pipeline between pond 15 and plate and frame filter press 16, and the filtrate (liquid of plate and frame filter press 16 passes through pipeline
It being connected to the water inlet of clear water reserviors 18, the feed end of the filtered solid outlet and filter cake belt feeder 17 of plate and frame filter press 16 is correspondingly arranged,
Fan nozzle 5 is connected to by pipeline with clear water reserviors 18, and fresh water pump 20 is arranged on pipeline between fan nozzle 5 and clear water reserviors 18,
And fan nozzle 5 is arranged above finished product screen 6.
It also include light wastewater disposal basin water replanishing device 10, light wastewater disposal basin water replanishing device 10 is connected to light wastewater disposal basin 8.
It also include clear water reserviors water replanishing device 19, clear water reserviors water replanishing device 19 is connected to clear water reserviors 18.
Embodiment 2: a kind of application method of energy and water saving type sandstone aggregate water wash system as described in Example 1, specifically
It completes according to the following steps:
One, crush: the aggregate of mining is crushed through crusher 1, mixes aggregate after being crushed；
Two, the first screening: mixing aggregate enters in inspection sieve 2 after broken, and the light water reuse that light wastewater disposal basin 8 stores gently is given up
Grain slag stock pump 9 carries out cleaning screening by mixing aggregate after being crushed in 3 pairs of inspection sieves 2 of heavy caliber anti-blocking sprayer, obtains oversize stone
Aggregate, mixing aggregate and sand aqueous mixtures, oversize stone aggregate return to crusher 1 and are crushed again；
Three, the second screening: mixing aggregate is sent into finished product screen 6 by mixing aggregate belt feeder 4, and clear water reserviors 18 store clear
Water conservancy carries out cleaning screening to mixing aggregate in finished product screen 6 by fan nozzle 5 with fresh water pump 20, obtains coarse aggregate, fine aggregate
With light waste water, light waste water is stored into light wastewater disposal basin 8；Coarse aggregate and fine aggregate are delivered to finished bin through finished aggregate belt feeder 7
Library storage；
Four, wheel is washed: sand aqueous mixtures are sent into sand washer 11 take turns and be washed, and obtain waste water and wheel washes rear sand, waste water is sent into
In density wastewater pond 15, wheel is washed in rear sand feeding dewatering screen 12 and is dehydrated, and the waste water generated after dehydration is sent into density wastewater pond 15,
The finished sand obtained after dehydration is delivered to finished room storage by finished sand belt feeder 13；
Five, wastewater treatment: waste water is sent into plate and frame filter press 16 by density wastewater Pulp pump 14 and is carried out in density wastewater pond 15
Filters pressing obtains filtrate and filter cake, and filtrate is discharged into clear water reserviors 18, and filter cake is delivered to mine filling or outer by filter cake belt feeder 17
Fortune.
After being filtered obtained in the present embodiment plate and frame filter press 16 in liquid water quality SS content in 5mg/L or less.
Flocculant is not added in the present embodiment, avoids the subsequent influence for causing flocculant to gather because of cycling use of water.
Claims (6)
1. a kind of energy and water saving type sandstone aggregate water wash system, it is characterised in that it includes crusher (1), checks sieve (2), big mouth
Diameter anti-blocking sprayer (3), fan nozzle (5), finished product screen (6), finished aggregate belt feeder (7), gently gives up at mixing aggregate belt feeder (4)
Pond (8), light waste water slag stock pump (9), sand washer (11), dewatering screen (12), finished sand belt feeder (13), density wastewater Pulp pump
(14), density wastewater pond (15), plate and frame filter press (16), filter cake belt feeder (17), clear water reserviors (18) and fresh water pump (20)；
The discharge port of crusher (1) is correspondingly arranged with the feed inlet for checking sieve (2), checks the oversize stone aggregate discharge port of sieve (2)
It is correspondingly arranged with the feed inlet of crusher (1), checks the mixing aggregate mouth of sieve (2) and the feed end that mixes aggregate belt feeder (4)
It is correspondingly arranged, checks that the sand aqueous mixtures discharge port of sieve (2) and the feed inlet of sand washer (11) are correspondingly arranged；The anti-blocking spray of heavy caliber
Head (3) is connected to by pipeline with light wastewater disposal basin (8), is arranged on pipeline between heavy caliber anti-blocking sprayer (3) and light wastewater disposal basin (8)
Light waste water slag stock pump (9), and heavy caliber anti-blocking sprayer (3) setting is checking above sieve (2)；Mix going out for aggregate belt feeder (4)
Material end and the feed inlet of finished product screen (6) are correspondingly arranged, the coarse aggregate outlet and fine aggregate outlet of finished product screen (6) and finished aggregate skin
Feed end with machine (7) is correspondingly arranged, and the light wastewater outlet of finished product screen (6) is connected by pipeline and the water inlet of light wastewater disposal basin (8)
It is logical；The wastewater outlet of sand washer (11) is connected to by pipeline with the water inlet of density wastewater pond (15), and the washed-out sand of sand washer (11) goes out
The feed inlet of mouth and dewatering screen (12) is correspondingly arranged, the charging of the finished sand outlet and finished sand belt feeder (13) of dewatering screen (12)
End is correspondingly arranged, and the wastewater outlet of dewatering screen (12) is connected to by pipeline with the water inlet of density wastewater pond (15), density wastewater pond
(15) wastewater outlet is connected to by pipeline with the water inlet of plate and frame filter press (16), in density wastewater pond (15) and plate and frame filter press
(16) density wastewater Pulp pump (14) are set on pipeline between, the filtrate (liquid of plate and frame filter press (16) passes through pipeline and clear water reserviors
(18) water inlet connection, the feed end of the filtered solid outlet and filter cake belt feeder (17) of plate and frame filter press (16) are correspondingly arranged, fan
Shape nozzle (5) is connected to by pipeline with clear water reserviors (18), and clear water is arranged on pipeline between fan nozzle (5) and clear water reserviors (18)
It pumps (20), and fan nozzle (5) setting is above finished product screen (6).
2. a kind of energy and water saving type sandstone aggregate water wash system according to claim 1, it is characterised in that also comprising light useless
Water replenishment device (10), light wastewater disposal basin water replanishing device (10) are connected to light wastewater disposal basin (8).
3. a kind of energy and water saving type sandstone aggregate water wash system according to claim 1, it is characterised in that also include clear water
Pond water replanishing device (19), clear water reserviors water replanishing device (19) are connected to clear water reserviors (18).
4. a kind of application method of energy and water saving type sandstone aggregate water wash system as described in claim 1, it is characterised in that it
It completes according to the following steps:
One, crush: the aggregate of mining is crushed through crusher (1), mixes aggregate after being crushed；
Two, the first screening: mixing aggregate enters in inspection sieve (2) after broken, and the light water reuse of light wastewater disposal basin (8) storage is gently given up
Grain slag stock pump (9) carries out cleaning screening to mixing aggregate after being crushed in inspection sieve (2) by heavy caliber anti-blocking sprayer (3), obtains
Oversize stone aggregate, mixing aggregate and sand aqueous mixtures, oversize stone aggregate return to crusher (1) and are crushed again；
Three, the second screening: mixing aggregate is sent into finished product screen (6) by mixing aggregate belt feeder (4), clear water reserviors (18) storage
Clear water carries out cleaning screening to mixing aggregate in finished product screen (6) by fan nozzle (5) using fresh water pump (20), obtains thick bone
Material, fine aggregate and light waste water, light waste water are stored into light wastewater disposal basin (8)；Coarse aggregate and fine aggregate are through finished aggregate belt feeder (7)
It is delivered to finished room storage；
Four, wheel is washed: sand aqueous mixtures are sent into sand washer (11) take turns and be washed, and obtain waste water and wheel washes rear sand, waste water is sent into dense
In wastewater disposal basin (15), wheel washes rear sand and is sent into dewatering screen (12) the waste water feeding density wastewater pond for being dehydrated, being generated after dehydration
(15) in, the finished sand obtained after dehydration is delivered to finished room storage by finished sand belt feeder (13)；
Five, wastewater treatment: in density wastewater pond (15) waste water by density wastewater Pulp pump (14) be sent into plate and frame filter press (16) in into
Row filters pressing obtains filtrate and filter cake, and filtrate is discharged into clear water reserviors (18), and filter cake is delivered to mine filling by filter cake belt feeder (17)
Or outward transport.
5. a kind of application method of energy and water saving type sandstone aggregate water wash system according to claim 4, it is characterised in that
In step 2 when the light waste water deficiency stored in light wastewater disposal basin (8), moisturizing is carried out using light wastewater disposal basin water replanishing device (10).
6. a kind of application method of energy and water saving type sandstone aggregate water wash system according to claim 4, it is characterised in that
When the clear water water deficiency that clear water reserviors (18) store in step 3, moisturizing is carried out using clear water reserviors water replanishing device (19).
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| CN110743687A (en) * | 2019-10-28 | 2020-02-04 | 枣庄泉石工贸有限公司 | Washing manufacturing grading process for building and industrial aggregate |
| 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 |
| 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 |
| CN111137959A (en) * | 2019-12-25 | 2020-05-12 | 日昌升建筑新材料设计研究院有限公司 | Sludge conveying system |
| CN112427138A (en) * | 2020-10-16 | 2021-03-02 | 日昌升建筑新材料设计研究院有限公司 | Sand washing system and method for sandstone aggregate |
| CN112676026A (en) * | 2020-12-22 | 2021-04-20 | 中国水利水电第九工程局有限公司 | Dry-breaking wet-screening sand making process |
| CN114146813A (en) * | 2021-11-04 | 2022-03-08 | 张家港宏昌钢板有限公司 | Limestone treatment process for steel mills |
| CN114160293A (en) * | 2021-12-08 | 2022-03-11 | 中国电建集团成都勘测设计研究院有限公司 | Wet production process for reducing mica content in machine-made sand |
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| CN114160293A (en) * | 2021-12-08 | 2022-03-11 | 中国电建集团成都勘测设计研究院有限公司 | Wet production process for reducing mica content in machine-made sand |
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