CN107162454A - Based on sea sand desalting handling process - Google Patents
Based on sea sand desalting handling process Download PDFInfo
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- CN107162454A CN107162454A CN201710343451.9A CN201710343451A CN107162454A CN 107162454 A CN107162454 A CN 107162454A CN 201710343451 A CN201710343451 A CN 201710343451A CN 107162454 A CN107162454 A CN 107162454A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
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Abstract
The invention discloses a kind of handling process based on sea sand desalting, comprise the following steps：(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；(2) gathered after sea sand and sea sand is transported to marine desalination ship；(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；(4) again by transporting Ship Transportation to land sea sand finished product laydown area by without bank base production line after desalt processing is complete, finished sand is stacked to bank or to bank direct marketing, handling process is added in the collection of sea sand and transit link, relative to bank base processing, the handling process reach of the present invention, reduce processing step and reduce bank base transhipment amount, on the premise of mitigation bank base processing is emitted on guarantee quality, shorten the technological process of sea sand desalting processing, improve the overall efficiency of sea sand desalting processing, and then reduce the cost of process program, required fresh water can be transported after fresh water water intaking by cargo ship and provided, reduce land blowdown, reduce land and take face, avoid being limited by place, influence sea sand desalting processing.
Description
Technical field
The present invention relates to sea sand desalting technical field, a kind of specifically sea sand desalting handling process.
Background technology
At present, China year production m3 of cement concrete about 2,500,000,000, adds mortar and other purposes, it is annual need 3,000,000,000 tons with
On building sand.It is used as the river sand resource of the concrete fine aggregate contradiction that supply falls short of demand.Many places have gone out
The situation of existing river (river) sand scarcity of resources；Meanwhile, to prevent the exhaustive exploitation of river (river) sand to natural landscape and ecological environment band
Carry out heavy damage, various regions gradually take measures to be any limitation as.
In order to solve river sand imbalance between supply and demand, people have invested eye the ocean for taking up an area sphere area 70.8%, reasonable development
A selection being difficult to avoid that is had become using sea sand resources.
Building generally can't do without armored concrete, still, corrosion of the reinforcing steel can be caused to become rusty containing substantial amounts of villaumite in sea sand,
The passivating film of rebar surface is wrecked, and then in rebar surface formation corrosion cell, produce electrochemical corrosion, reinforcing bar is continuous
Corrode the corrosion product produced because volume increases 4~7 times, tensile stress can be produced around reinforcing bar, when running up to certain, can made
Peeling or reinforcing bar cracking into concrete cover；Sulfate in sea sand can generate aquation sulphur aluminic acid in concrete pore
Calcium, causes the spalling and peeling of concrete；Sea sand contains the materials such as shell, can substantially reduce the workability of concrete, and influence is mixed
Coagulate the mechanical property such as tension, anti-folding, compression strength of soil, the endurance quality such as frost resistance, wear resistence, impermeability of concrete has
Reduced, or even can also influence the volume stability of concrete；Sea sand contains the alkali such as the mineral matters such as opal, flint and sodium, potassium
Metal, causes concrete to produce alkali-aggregate reaction, so that durability and the security reduction of concrete structure；In sea sand also
Containing the harmful substance such as sulphur and phosphorus, these content of material Gao Shihui makes the intensity decreases of concrete.
In order to improve the antidetonation compression strength of building, the desalination of sea sand be using sea sand be used in architectural engineering must be through
Step.Conventional sea sand desalting handling process belongs to bank base processing, all processing technological flows, including go mud, go shell stone,
Desalination etc., is realized in bank base, is gathered in sea sand and is transported bank process, almost without any processing links, produces ask therewith
Topic：Its cost is higher, first has to set a larger place, to meet the requirement of processing sea sand or half light salty sand, it is necessary to enter
Row infrastructure construction；Secondly, sea sand or half light salty sand are from obtaining from underwater installation, to transport to place and usually require turnover, every time
Turnover all unavoidably adds operating cost.There is specific requirement in place, and satisfactory place is not necessarily close to engineering institute
On ground and production zone, the soaring of cost of transportation is caused；Again, the disposal of impurity produced by bank base technique.
The content of the invention
The invention aims to solve in the prior art, to achieve the above object, technical scheme is as follows：
In the present invention, the handling process based on sea sand desalting, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
In order to further realize the present invention, the desalting plant includes silt separation apparatus, vibration screening device, cleaning dress
Put.
In order to further realize the present invention, the sea sand by entering silt particle separator successively, it is vibration screening device, clear
Cleaning device.
In order to further realize the present invention, the sea sand by entering silt particle separator, cleaning device, vibratory sieve successively
Separating device.
In order to further realize the present invention, the cleaning device uses double helix washing and dehydrating integrated machine.
In order to further realize the present invention, the cargo ship is included under the sand cabin being arranged on main hull, the sand cabin
Side, which is provided with, can inject the air tank of air.
In order to further realize the water tank that filled water is additionally provided with below the present invention, the sand cabin, the water tank is set
Above or below air tank.
In order to further realize the present invention, the water tank is divided into two intervals in left and right, and the air tank is divided into left and right two
Interval, by one of interval injection water to the water tank, and to one interval discharge air of air tank so that hull to
Bank tilts realization and unloads sand.
In order to further realize the present invention, the cleaning device uses fluidization back-washing machine, including rotatable parts, turns
Axle, motor, several connecting brackets, back purge system, motor output shaft is fixedly connected with rotating shaft, and rotating shaft is fixedly connected with the rotor, and leads to
Crossing motor drives rotatable parts to rotate at a high speed；Several connecting bracket one end are disposed on rotatable parts, the other end and recoil
Cleaning device is fixedly connected.
In order to further realize the present invention, the vibration screening device is integrated with cleaning device.
Beneficial effect
1st, by without bank base production line, finished sand to bank is stacked or to bank direct marketing, collection and transit link in sea sand
Handling process is added, relative to bank base processing, handling process reach of the invention reduces processing step and reduces bank base transhipment amount,
On the premise of mitigation bank base processing is emitted on guarantee quality, the technological process of sea sand desalting processing is shortened, sea sand is improved light
Change the overall efficiency of processing, and then reduce the cost of process program, required fresh water can be turned by cargo ship after fresh water water intaking
Fortune is provided, and reduces land blowdown, and reduction land takes face, it is to avoid limited by place, influence sea sand desalting processing.
2nd, being delivered to fresh water by cargo ship of the present invention is desalinated on ship, and the sea sand after desalination is conveyed by cargo ship again
To land, and traditional cargo ship returns again to sea and transports sea sand to land, is clean ship, cargo ship utilization rate is low, and
The cargo ship of the present invention is being equipped with sea sand or fresh water to return process, cargo ship utilization rate is improved, while the cargo ship of the present invention
By being provided with air tank on cargo ship, by injecting air into air tank, the buoyancy suffered by hull can be improved, and same
Under the water line of sample, the present invention can load more sea sands or fresh water relative to the hull for being not provided with air tank, so as to carry
The delivered payload capability of high hull, under consumption identical fuel conditions, hull can have higher service efficiency.
3rd, the lower end in this cargo ship sand cabin is provided with water tank, air tank, by injecting water to water tank so that the drinking water journey of hull
Degree increase, so that hull is more stable, allows water tank to be divided into two intervals in left and right with air tank, when sea sand is transported to land by cargo ship
, it is necessary to which sea sand is laid down during ground, now, it can be arranged by the way that water will be injected to the right or in left retaining cabin, then by left or right air tank
Absolutely empty gas so that whole main hull is tilted to bank, and the sea sand in sand cabin can pour out sand cabin with the inclination of hull, to land
On the ground, it is simple in construction.
4th, sea sand is delivered to after desalination ship from cargo ship, sequentially passes through silt particle separator, vibration screening device, cleaning dress
Put, finally enter cargo ship, sea sand is delivered into land, wherein cleaning device can be anti-using double helix washing and dehydrating integrated machine, fluidization
Washer, vibrosieve are integrally realized.
Brief description of the drawings
The process flow diagram of Fig. 1 present invention；
Fig. 2 is cargo ship structural representation of the invention；
Fig. 3 desalinates the structural representation of ship for the present invention；
Fig. 4 is the structural representation of fortune sandpipe；
Fig. 5 is the structural representation of the silt separation apparatus of the present invention；
Fig. 6 is the top view of silt screen pack；
Fig. 7 is the side view of silt screen pack；
Fig. 8 is the structural representation of vibration screening device；
Fig. 9 is the structural representation of vibratory sieve；
Figure 10 is that double helix washing and dehydrating integrated machine removes conveyer belt and water revolves the side view of loop device；
Figure 11 is Figure 15 top view；
Figure 12 is the overall structure diagram of the double helix washing and dehydrating integrated machine of the present invention；
Figure 13 is the part-structure schematic diagram that helical axis is provided with blade；
Figure 14 is the structural representation of blade；
Figure 15 is the structural representation that the vibrosieve of embodiment two rinses all-in-one；
Figure 16 is the vibration screening device structural representation of embodiment three；
Figure 17 is the Structure of Vibrating Screen schematic diagram of embodiment three；
Figure 18 is another vibrosieve structural representation of embodiment three；
Figure 19 is embodiment Figure 18 screen cloth internal structure schematic diagrams；
Figure 20 is the fluidization back-washing machine structural representation of embodiment three；
Figure 21 is the structural representation that back purge system enters water state；
Figure 22 is the structural representation that back purge system backwashes transition.
Embodiment
In the view of whole accompanying drawings, corresponding reference symbol represents corresponding part.、
Embodiment 1
As shown in figure 1, the handling process that sea sand is desalinated, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
Cargo ship in step 2 is realized using following structure, as shown in Fig. 2 including the sand cabin being arranged on main hull 11
12 and the hold positioned at the lower section of sand cabin 12, sand cabin 12 is used to deposit sea sand and fresh water, and sand cabin 12 is provided with sand loading groove 121, preferably set
Put in center, the lower section of sand loading groove 121 is provided with shaking device, and shaking device principle is driven as vibrating disc by motor
Dynamic sand loading groove vibrations, so as to which the sea sand at the other places in sand cabin is gathered on sand loading groove 121, when cargo ship is close to land, are easy to
Sea sand is transported to target location by digging machine.
Hold includes retaining cabin 13, air tank 14, and retaining cabin 13 is arranged on the lower section in sand cabin 12, and air tank 14 is arranged on water
The lower section in cabin 13,14 points with air tank of retaining cabin 13 is two intervals, i.e., water tank 13 is by left retaining cabin 131, right 132 groups of retaining cabin
Into air tank 14 is made up of left air tank 141, right air tank 142, and scheme preferably is average setting, left water tank 131 and the right side
It is designed with being provided with water tank 132 on water inlet 133 and water inlet 134, the connection water inlet pipe 135 of water inlet 133, water inlet pipe 135 and sets
There is the first magnetic valve, water inlet 134 is communicated with outlet pipe, and outlet pipe 136 is provided with the second magnetic valve, by controlling the first electromagnetism
Valve, the second magnetic valve are designed with note to the water filling of retaining cabin 13 and draining on the left air tank 141 of air tank 14, right air tank 142
Gas port 144, exhaust outlet 145, the connection air inlet pipe of gas injection port 144, air inlet pipe 145 are provided with the 3rd valve, the connection row of exhaust outlet 145
Tracheae, blast pipe is provided with the 4th valve, by injecting gas into air tank, a buoyancy generating means is formed, so as to increase
Plus buoyancy, relative to no air tank 14 in the case of, under same draft.
As shown in Figs. 3-4, above-mentioned desalination ship includes hull 21, wherein, hull 21 is positioned at by multiple positioning anchors 5
Sea, hull 21 includes the carrying cabin 211 and the bottom positioned at the lower section of carrying cabin 211 for being used to carry sea sand and desalted sea sand device
Cabin, hold includes retaining cabin 212, air tank 213, and retaining cabin 212 is arranged on the lower section in carrying cabin 11, and air tank 213 is arranged on
213 points of the lower section in retaining cabin 212, retaining cabin 212 and air tank are two intervals, i.e. retaining cabin 212 by left retaining cabin 2121, the right side
Retaining cabin 2122 is constituted, and air tank 213 is made up of left air tank 2131, right air tank 2132, and scheme preferably is averagely to set
Put, left retaining cabin 2121 is provided with water filling port 2123 and discharge outlet 2124 with being designed with right retaining cabin 2122, and water inlet 123 is connected
Water inlet pipe, water inlet pipe is provided with the first magnetic valve, and discharge outlet 2124 is communicated with outlet pipe, and outlet pipe is provided with the second magnetic valve, leads to
The first magnetic valve of control, the second magnetic valve are crossed to the water filling of retaining cabin 212 and draining, left air tank 2131, the right sky of air tank 213
Gas injection port 2133, exhaust outlet 2134 are designed with gas cabin 2132, the connection air inlet pipe of gas injection port 2133, air inlet pipe is provided with the 3rd valve
Door, the connection blast pipe of exhaust outlet 2134, blast pipe is provided with the 4th valve, by injecting gas into air tank, forms one
Buoyancy generating means, so as to increase buoyancy, relative to no air tank 213 in the case of, under same draft, due to
The desalination ship of the present invention is provided with air tank 213, and its buoyancy is bigger, and its bearing capacity is stronger, and desalination ship service efficiency is improved, so that
The desalination efficiency of sea sand is improved, and when the sea sand after desalination needs sea sand being delivered to cargo ship, it is necessary to sea sand is laid down, this
When, can by will injection water in retaining cabin 2122, then by right air tank evacuation of air, whole hull 21 is tilted to the right to the right, or
Person by will injection water in retaining cabin 2121, then air tank evacuation of air will be done to the left, whole hull 21 is tilted to the left, hull 1
Incline direction towards the cabin position of cargo ship, the sea sand after desalination is transported in sand loading cabin 214, under sand loading cabin 214
Side is provided with shaking device, and shaking device principle drives the vibrations of sand loading groove with vibrating disc as by motor, so as to by sand loading cabin
214 sea sand is gathered at one, and carrying the sea sand on ship can pour out to the sand cabin of cargo ship 1 with the inclination of hull 21
It is interior；
In order to realize that sea sand is uniformly delivered in the sand cabin of cargo ship, prevent because sea sand is gathered in a ground
Side, and cause cargo ship 1 to be turned on one's side, the present embodiment is realized using following technical scheme；
Sand loading cabin 214 may be provided at the centre or both sides of hull 1, can as the case may be depending on, the present invention is preferably provided with
On right side, the right-hand member in sand loading cabin 214 is fixedly connected with a fortune sandpipe 215, and remote sandpipe 215 includes supervisor 2151, several branched pipes
2152, supervisor 2151 is connected with sand loading cabin 214, and supervisor 2152 uniformly tilts down more than the end portion office two ends of hull 21 and set
There is branched pipe 2152, branched pipe 2152 includes the first branched pipe 21521, second branched pipe 21522, along supervisor 2151 and branched pipe
The two ends being uniformly provided with the tube wall of 2152 length direction on several sand exports 2153, and the first branched pipe 21521 are also downward
Second branched pipe 21522 is provided tiltedly with, the like, second branched pipe is equipped with sand export provided with Three branched pipe etc.
2153, the aperture of sand export 2153 increases successively, i.e., the aperture of the first branched pipe is less than the aperture of second branched pipe.
The sea sand of the desalination ship realizes that transport to the process of falling sand on cargo ship is：First, injected into retaining cabin 212
Water so that the drinking water degree increase of hull 1, so that hull is more stable, sea sand after needing desalination delivers to cargo ship
When, the water in retaining cabin is taken away so that vessel draft degree mitigates, compare transport height to desalinate ship, beneficial to sand, sheet
Embodiment, can be by the way that the water in left retaining cabin 2122 be taken away so that cargo ship is on the right of desalination ship as an example, then left air tank is noted
Enter air, whole hull 1 is tilted to the right, and this luck sandpipe 215 be located at cargo ship sand cabin top, sea sand along supervisor 2151
Into branched pipe 2152, sea sand is uniformly flowed on cargo ship from the sand export outflow on branched pipe 2152 again, it is achieved thereby that
The automatic uniform discharging of sea sand；
Hull 21 is provided with desalting plant, and desalting plant includes silt separation apparatus 22 successively, vibration screening device 3, clear
Cleaning device 4 and for firm desalination ship in multiple positioning anchors 5 in the sea；
Desalination ship is delivered to from the sea sand after acquisition vessel collection to be desalinated, it first passes around silt particle separator, silt particle
Separator 22 it include fixed mount 221, mixing drum 222, agitating device 223, inhale sand device 224, inhale sand device 225 and muddy water
Storage barrel 226, wherein：
Fixed mount 221 is used to mixing drum 222 being fixed on desalination ship, and the bottom of fixed mount 221 is fixed on desalination ship.
Mixing drum 222 is fixedly connected with fixed mount, and mixing drum 222 is made using the big material of acid and alkali-resistance, corrosion-resistant, rigid, is stirred
It is hollow cavity to mix the inside of cylinder 222, and its top is set in opening, is covered in the top cover plate 2221 of its opening, cover plate
2221 are detachably connected with the formation of mixing drum 222, and sea sand charging aperture 2222 and fresh water water inlet are respectively provided with cover plate 2221
Mouthfuls 2223, sea sand charging aperture 2212 is used to add sea sand in mixing drum 222, then fresh water pipe at fresh water water inlet 2223, uses
Added in by fresh water in mixing drum 222.The side wall of mixing drum 222 is provided with sand export, and the lower end of mixing drum 222 offers mud extraction
Mouth 2224.
Agitating device 223 includes agitating paddle 2231, puddler 2232, motor 2233 and damping base 2234.Agitating paddle
2231st, damping base 2234 is fixedly installed on the upper end of mixing drum 222, and the middle part of damping base 2234 is provided with through hole, puddler
2232 pass through through hole, bear most of load by damping base 2234, significantly reduce the abrasion of gear, damping base 234
Motor 2233 is provided with, the output shaft of motor 2233 is fixedly connected with puddler 2232, and the bottom of puddler 2232 is vertically extend into
Stir in cylinder 222, be arranged on the agitating paddle 2231 on puddler 2232；The driving puddler 2232 of motor 2233 is rotated, and is stirred
Length direction of the oar 2231 along puddler 2232 is arranged at intervals；
Inhaling sand device 224 is used to suction out sea sand from mixing drum, and inhaling sand device 224 includes sand suction pipe 2241, Sand pump
2243rd, storage sand device 2244, wherein, sand suction pipe 2241 is connected with sand export 2213, and sand suction pipe 2241 is provided with connector 22415,
Sand pump 2243 is connected by connecting tube 2244 with connector 22415 with sand suction pipe 2241, and the other end of sand suction pipe 2241 is passed through
Store up sand device 2244；
Muddy water screen pack 225 is fixedly installed at mud mouth, and the mesh of muddy water screen pack 225 is less than the particle diameter of sea sand.For
Silt particle is prevented to be gathered in the center of muddy water screen pack 225 and block muddy water screen pack 225, the present invention is to muddy water screen pack 225
Make improvements, the upper surface of muddy water screen pack 225 is arranged to the low taper plane of middle high surrounding, in muddy water screen pack 225
Edge vane 2251, connecting rod 2252 can also be set, vane 2251 is connected with connecting rod 2252 to rotate, connecting rod
2252 are fixedly connected on the upper surface of the edge of muddy water screen pack 225, and the quantity of vane 2251 is 3~5.When motor 233
During start-up operation, motor drives agitating paddle to rotate, under the shear action of agitating paddle, and water produces vibratory forces in mixing drum 22,
Vane 2251 is driven to rotate, the vane 2251 of rotation further increases vibratory forces of the water in mixing drum 22, prevents sea sand from gathering
Collection can be washed further to sea sand again at the edge of muddy water screen pack 225.
Muddy water storage barrel 226 is made from acid and alkali-resistance, corrosion-resistant material, and its upper end is provided with opening, and its opening is removable
Unload and be fixed on the outer peripheral face of the bottom side of the wall of mixing drum 1, its position faces the lower section for inhaling sand device 225, for accepting from stirring
Cylinder 1 is mixed by inhaling the slime water that sand device 225 flows out.Filter screen or filter cloth 261 are provided with the middle of muddy water storage barrel 226, so that by mud
226 points of water storage barrel is mud area 2262, clear water zone 2263, and the side in mud area 2262 is provided with mud mouth 22621, clear water zone
2263 side wall is provided with outlet 22631, and muddy water is entered in muddy water storage barrel 2226, by the filtering of screen pack or filter cloth,
Mud stays in mud area 2262, and clear water stays in and clear water pipe is connected at clear water zone, outlet 22631, so that the water after filtering can be with
Apply again, reach using water wisely purpose.
After silt separation, sea sand carries out vibrosieve again, and vibration screening device 3 is used for after being separated by silt particle separator
Sea sand is sieved, and mainly includes fuselage 31, vibratory sieve 32, deflector chute 33, wherein：
Fuselage 31 is fixed on target location, and fuselage 31 is made using acid and alkali-resistance, corrosion-resistant material.The inside shape of fuselage 31
Sand inlet is provided with into the upper end of chamber fuselage 31, nearly sand mouthful connection is in funnelform feed hopper 311；
Vibratory sieve 32 is used to separate the shell in sea sand, rubble, coarse sand, fine sand, and vibratory sieve 32 is arranged on fuselage 31
In chamber, in order to realize the classification of sea sand, vibratory sieve 32 is at least containing two layers of vibratory sieve, below with shaking with seven layers of vibratory sieve
Exemplified by dynamic sieve.Vibratory sieve 32 includes screen cloth 321, screen frame (unit) 322, vibrator 323, side plate 324 and constituted, wherein, the lower end of screen cloth 321
Screen frame (unit) 322 is set, and the quantity of screen frame (unit) 322 can be one or two, and the two ends of screen frame (unit) 322 are fixedly connected with fuselage interior, sieve
The bottom of frame 322 is provided with vibrator 323, and vibrator uses vibrating motor, and side plate 324, which encloses, is located at the face of screen cloth three (at discharging
One side), from top to bottom respectively by the first vibratory sieve 3201, the second vibratory sieve 3203, the 3rd vibratory sieve 3203, the 4th vibratory sieve
3204th, the 5th vibratory sieve 3205, the 6th vibratory sieve 3206, the 7th vibratory sieve 3207 are constituted, wherein, the aperture of screen cloth 321 is by upper
Diminish successively under, aperture is followed successively by 5.1mm, 4.75mm, 2.36mm, 1.18mm, 600m, 300m, 150m, first from top to bottom
Vibratory sieve 3201 be used to removing large-size particles shell, rubble in sea sand etc. these, the second vibration is sieved to the 7th used by oscillating screen
Sieved in by sea sand by particle diameter, when sea sand diameter is less than 321 aperture of screen cloth, sea sand will drain to next layer of screen cloth 321 down,
The screen cloth 321 of different pore size filters out the sea sand of different-diameter, and the structure of each vibratory sieve is identical.
Preferably, above-mentioned vibratory sieve is obliquely installed, tilted to discharging opening.
Deflector chute 33 is arranged on screen cloth and shaked out position, and sea sand just dechlorinates after the outflow of deflector chute 33 into cleaning device
Cleaning.
The cleaning device 4 of the present embodiment uses double helix washing and dehydrating integrated machine；
Double helix washing and dehydrating integrated machine 4 includes support 41, cell body 42, two helical axis 43, blade 44, helical blade 45, driving dresses
46, conveyer belt 47, water circle device 48 are put, wherein, cell body 42 is used for washed-out sand, and the left end of cell body 42 is provided with a tank 421, tank
Injection of ozone water (mixing of ozone and water) in 421, sea sand is first soaked in the sink before elution, so as to remove free chlorine
Ion, two helical axis 43 are arranged on inside cell body 42, and helical axis 42 is provided with several helical blades 45, and two helical axis 43
On helical blade 45 in being staggered, blade 44 is arranged in a crossed manner on helical axis 42 one by one, and is set with the interval of helical blade 45
Put, be arranged on two ends or centre；
Blade 44 include main blade 441, metaplasm leaf 442, the first side paddle blade 443, the second side paddle blade 444, wherein lead
Blade 441, metaplasm leaf 442 are fixed on helical axis 42 in dislocation type, and staggeredly in 90 ° of arrangements, main blade 441 is set using three
Put, be certainly not limited to this quantity, be arranged as required in a piece of, two panels, three etc., main blade 441 is evenly spaced in helical axis
Around 43, metaplasm leaf 442 is evenly spaced in around helical axis 43, wherein, the both sides of main blade 441 and the first side paddle blade
443 are wholely set in 0 °~90 °, it is preferred to use 60 ° of settings, and main blade 441 is multiple with being equipped with the first side paddle blade 443
First material through hole 445, first material through hole 445 uses triangular structure, the quantity of material through hole 445 at helical axis 43
More than the quantity of material through hole 445 of end, its center discharge capacity that can increase helical axis and shearing, scattered, mixing ability.Metaplasm
The size of leaf 442 is less than main blade 441, and consistent with main blade quantity, and in the side paddle blade 444 of metaplasm leaf 442 and first
Provided with multiple second material through holes 446, second material through hole 446 uses triangular structure, and the material at helical axis 43 leads to
The quantity of hole 446 is more than the quantity of material through hole 446 of end, what it can increase the center discharge capacity of helical axis and shear, and disperse, mixing
Ability；The both sides of metaplasm leaf 442 are wholely set with the second side blade 444 in 0 °~90 °, it is preferred to use 60 ° of settings；
Every blade is provided with lateral lobe piece, and material produces the up and down shuntings different from paddle blade, increase axially shunting so that
Shear effect is more preferable.The setting of through hole can further increase mixing sea sand and water on material through hole and lateral lobe piece on main blade
Ability, more with the leakage current for being beneficial to realize sea sand, blade cutting performance is more preferable, and the main blade of dislocation type can be mutual with metaplasm blade
The material of different zones is acted on, the angle a, described angle a between above-mentioned blade and helical axis are acute angle, are generally come
Say, angle a selects 20-70 degree.It is blade is angled with helical axis, it is to avoid operationally material can be formed with rule to blade
The radial vortex problem of rule, while also avoid the material under laminar condition occurs the obvious phenomenon of lower leaf, in spiral
Under the dual shear action of blade and blade, indissoluble salt can be broken and organic matter is attached and sand surface, formation hydrated ion life
Thing film, is provided simultaneously with handling the material within 0-30mm, can divide the material for washing into cleaning the soil on material, ashes.
Drive device 46 includes upper bearing (metal) component 461, shaft coupling 462, decelerator 463, lower bearing component 464, motor
465, wherein, upper bearing (metal) component 461 is arranged on the upper end side of helical axis, and upper bearing (metal) component 461 abuts shaft coupling 462, shaft coupling
The upper end side of device 462 is provided with decelerator 463, and decelerator upper end sets motor 465, and motor is located at close to the side of shaft coupling 462,
Lower bearing component 464 is arranged on the opposite side of helical axis, by motor drive helical axis rotate, helical axis drive helical blade with
Blade is rotated；
Cell body 42 left upper part be provided with sand inlet 422, lower end be provided with delivery port 423, cell body 42 right-hand member it is upper
End is provided with water inlet 424, and water inlet connection water inlet pipe 426, water inlet pipe is provided with control valve 427, and lower end is provided with sand export 425,
Current from right-hand member enter, sea sand from left end enter, auger effect under, rinse current from top to bottom with the sea sand direction of motion
Opposite generation convection current reaches cleaning action,
Conveyer belt 47 is arranged on below sand export, and sea sand enters to conveyer belt 47 after sand export discharging, and conveyer belt 47 is another
One end is fed through at the conveyer belt at sand inlet, is cleaned so that the sea sand after first time is eluted carries out second；
Water circle device 48 includes circulating water pipe 481, storage tank 482, centrifugal filter 483, screen pack 484, control valve
Door 484, water pump 486, the connection delivery port of circulating water pipe 481, centrifugal filter 483 are arranged on circulating water pipe 481, screen pack
484 are arranged on the front end of storage tank 482, and sewage passes through circulating water pipe 481, filtered by centrifugal filter 483, screen pack 484
Enter afterwards in storage tank 482, the other end of circulating water pipe 481 is connected with fresh water water inlet pipe 48, fresh water water inlet pipe and in recirculated water
Pipe sets control valve 484, water pump 486.
The operation principle of the reverse washing and dehydrating integrated machine of this double helix：When cleaning sea sand first, sea sand is entered in tank from sand inlet
Immersion a period of time, then under auger effect, current are opposite from top to bottom produces convection current with flushing for the sea sand direction of motion
Cleaning action is reached, then, sea sand enters to conveyer belt by sand export, and the sea sand cleaned is delivered to sand inlet by conveyer belt,
Then carry out eluting for second, and sewage enters to circulating water pipe, sewage passes through centrifugal filter, enters after the filtering of screen pack
Storage tank, and pass through the sea sand of first time flushing, then carry out second of flushing, sea sand after rinsing for the second time by fresh water water inlet pipe
Directly shaked out from sand export, conveyer belt now stops conveying, and when rinsing second batch sea sand, fresh water is intake tube valve first
Close, open the water in the control valve 484 of circulating water pipe, storage tank and enter water inlet in the presence of water pump, sea sand is entered
Row is rinsed for the first time, and the sea sand after flushing enters conveyer belt 47, and sea sand feeding sand inlet is carried out second and rinsed by conveyer belt 47,
Now, the valve of circulating water pipe is closed, the valve of fresh water water inlet pipe is opened, second is carried out and rinses, the side of this spiral washing and dehydrating integrated machine one
Face can be realized and fresh water is recycled, and on the other hand, secondary elution be realized to sea sand so that washed-out sand is more efficient.
Embodiment 2
The handling process that sea sand is desalinated, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
Cargo ship in step is identical with embodiment one with the Ship Structure for desalinating ship, and desalting plant is passed through on desalination ship
The technique desalinated is sieved by silt separation apparatus, by vibration screening device, and the sea sand after screening enters over cleaning device
Cleaning, then sea sand is delivered to cargo ship.
The vibration screening device of the present embodiment uses the structure of embodiment one, and the structure not described is identical with embodiment one,
Itself and cleaning device integrally connected, the inside two chambers of fuselage 31, are distributed in left and right, so as to be divided into screening area and developing room, machine
The upper end of body 31 is provided with sand inlet, and nearly sand mouthful connection is in funnelform feed hopper 311；
As shown in figure 15, cleaning device 4 is arranged on the rinsing area of fuselage, and correspondence deflector chute 33 is provided with sand inlet, and leads
Sand launder is arranged at sand inlet, and sea sand is directly entered in rinsing area with deflector chute, and flusher is divided into seven layers, and every layer of correspondence is shaken
Dynamic sieve, the fuselage of rinsing area is provided with out thimble 401, water inlet 402, antichlor import 403, and delivery port 404, sand export 405 are received
Thimble 401 is fixedly installed on fuselage top, and receiving thimble 401 is used to accept the large-scale particulate matter such as shell, mica, rubble；Water inlet
Mouth 402 is connected with water inlet pipe, and water inlet pipe is provided with control valve, intake pump, and antichlor import is connected with antichlor pipe, and pipe is provided with control
Valve processed, delivery port 404 is provided with filter screen, and the aperture of filter screen is less than sea sand aperture, so that when drawing water, sea sand will not take out with dampening
Go out, and be additionally provided with chloride test device 406, chloride test device 406 is connected with peripheral control unit, controller and intake pump, go out
Water pump and above-mentioned control valve connection, chlorine of the controller in the sea sand in chloride test device 406 in real time detection washer
Content, so as to control to intake and enter the amount of antichlor, and dechlorination it is clean after shaking out and water outlet.
By vibrosieve with rinse all-in-one, can solve the problem that it is existing screening sea sand with rinse separately spend equipment and again
The problem of general labourer's sequence；
Embodiment 3
The handling process that sea sand is desalinated, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
Cargo ship in step is identical with embodiment one, and the technique desalinated on desalination ship separates dress by silt
Put, cleaning device is cleaned, sieved by vibration screening device, the sea sand after screening is delivered to cargo ship.
Cleaning device uses fluidization back-washing machine, including rotatable parts 4001, motor 4002, several connecting brackets
4003rd, back purge system 4004, wherein,
Rotatable parts 4001 are using the rotor of conventional centrifuge, and it is fixedly connected with a rotating shaft with the output shaft of motor 4002
40021, rotating shaft is fixedly connected with the rotor, and is rotated at a high speed by motor rotor driven；
Several connecting brackets 43 are disposed on rotor, its one end is fixed with rotor using the larger material of strength ratio
Connection；
Back purge system 4004 include cylinder 40041, water intaking valve 40042, back flush valves 40043, outlet valve 40044,
Water-locator 40045, water collector 40046, wherein；
The material of cylinder 40041 is formed by stainless steel, carbon steel anti-corrosion or glass fiber winding, with higher ballast ratio and face
Huge corrosion resistance, connecting bracket 4003 is set on cylinder 40041, and cylinder 40041 is provided with water inlet 400411, sewage draining exit
4412nd, delivery port 400413, sand inlet 400414, sand export 400415,
Water intaking valve 40042 is arranged on the water inlet pipe of connection water inlet, and back flush valves are arranged on the row of sewage draining exit connection
On dirty pipe, outlet valve is arranged on the outlet pipe of delivery port；
Water-locator 40045 connects water inlet, and make uniform fluid flow flows through sea sand layer；
Water collector 40046 is arranged on the bottom of cylinder 40041, and water collector 40046 is using mushroom pressure difference compensation filtering collection
Hydrophone so that system point hydraulic balance under filtration condition, filtration flow-rate is high, efficiency high, under backwash state, forms interior circulation
Backwash efficiency is high；The lower end of water collector 40046 is connected with delivery port；
The fluidization of the present embodiment centrifuges the principle of back-washing machine：First, water intaking valve is opened, fresh water is entered in cylinder
Portion, by sea sand from throat-fed, fresh water is uniformly entered in cylinder through water-locator 40045, and current are by water collector, and in sea sand
Dirt rest in sea sand, the full suspension of product in sea sand space, resistance to water-flow increase, it is necessary to carry out backwash when flow is reduced；
During backwash, water intaking valve is closed, backwash valve is opened, back-flushing enters in cylinder 40041 from the delivery port of bottom, now, opens
Motor 42, under centrifugal force and back-flushing effect, the less material of density is smaller because of suffered centrifugal force, adds and is difficult to overcome anti-
The effect of bath throws to cylinder inboard wall simultaneously by centrifugal force, and the back-flushing with certain pressure rinses filter material layer, makes whole filtrate
Layer reaches fluidized state, and has certain dilation, reaches the sea sand particle of fluidized state, is fully contacted with flushing water, residual
Stay in the solable matter on sea sand surface, it is de- from sea sand surface under current shearing and sea sand particles collision friction double action
Fall to be dissolved in the water and be rinsed water and take out of.
Silt separation apparatus uses the structure of embodiment one, and vibration screening device 3 is used for after being cleaned by centrifugation back-washing machine
Sea sand is sieved, and mainly includes fuselage 31, vibratory sieve 32, deflector chute 33, wherein：
As shown in figure 16, fuselage 31 is fixed on target location, and fuselage 31 is made using acid and alkali-resistance, corrosion-resistant material.
The upper end that fuselage 31 is internally formed chamber fuselage 31 is provided with sand inlet, and nearly sand mouthful connection is in funnelform feed hopper 311；
Vibratory sieve 32 is used to separate the shell in sea sand, rubble, coarse sand, fine sand, and vibratory sieve 32 is arranged on fuselage 31
In chamber, the vibratory sieve of the present embodiment is two layers of vibratory sieve；First layer vibratory sieve 3201 is used to remove the big grain in sea sand
Footpath particle shell, rubble etc. these, its aperture be 5.1mm, vibratory sieve 32 include screen cloth 321, screen frame (unit) 322, vibrator 323, side
Plate 324 is constituted, wherein, the lower end of screen cloth 321 sets screen frame (unit) 322, and the quantity of screen frame (unit) 322 can be one or two, screen frame (unit) 322
Two ends be fixedly connected through side plate with fuselage interior, the bottom of screen frame (unit) 322 is provided with vibrator 323, and vibrator is using vibration electricity
Machine, side plate 324, which encloses, is located at the face of screen cloth three (except the one side at discharging).
As shown in figure 17, the aperture of the second layer vibratory sieve 3202 of this implementation can adjust, and screen cloth 321 uses latticed knot
An air bag 3211 is provided with structure, each node of screen cloth 321, each air bag 3211 can be bonded together with screen cloth with glue, often
One side of individual air bag 341 offers inflation inlet, and air bag 3211 uses the material of the rubber wear-resisting of elasticity, with automobile tire class
As structure, by realizing the change of air bag size to the gas injection of air bag 3211, after air bag size changes, then the aperture of screen cloth also may be used
Change；
As depicted in figs. 18-19, it can be also adjusted using following structure, screen cloth 321 uses the larger material of strength ratio, and
With certain thickness, 0.5-2cm is uniformly provided with several circular ports 3212 on screen cloth 321, the inwall of circular port 3212 sets to the concave
Air bag 3211 is embedded with circular trough, circular trough；Each air bag 3211 can be bonded together with screen cloth with glue, each air bag
341 side offers inflation inlet, and air bag 3211 is using the material of the rubber wear-resisting of elasticity, the material similar with automobile tire
Matter, by realizing the change of air bag size to the gas injection of air bag 3211, after air bag size changes, then the aperture of screen cloth also alterable；
One side of each air bag 341 offers inflation inlet, and by realizing the change of air bag size to the gas injection of air bag 3211, air bag is big
After small change, then the aperture of screen cloth also alterable.
In use, first determining to need the particle diameter of the sand grains of screening, screened from big to small.For example, the sand grains of screening
Rank is：4.75mm, 2.36mm, 1.18mm, by being inserted from the pipe of the sea sand same diameter of target grain size in sieve aperture,
Injection air in toward each air bag, when needing with that pipe could be pulled out from sieve aperture than larger strength, illustrates that sieve aperture is adjusted
Suitable scope is saved.
In use, first determining to need the particle diameter of the sand grains of screening, screened from big to small.For example, the sand grains of screening
Rank is：4.75mm, 2.36mm, 1.18mm, are slightly larger than the sea sand of target grain size from the aperture of screen cloth, pass through selection and target
In the pipe insertion sieve aperture of the sea sand same diameter of particle diameter, toward the interior injection air of each air bag, when needs are with than larger strength
Could pipe from sieve aperture pull out when, illustrate sieve aperture regulation arrived suitable scope.
Preferably, above-mentioned vibratory sieve is obliquely installed, tilted to discharging opening.
As illustrated in figs 20-22, deflector chute 33 is arranged on screen cloth and shaked out position, and sea sand flows out from deflector chute 33.
Embodiment 4
The handling process that sea sand is desalinated, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
Cargo ship in step is identical with embodiment one with the Ship Structure for desalinating ship, and desalting plant is passed through on desalination ship
The technique desalinated is sieved by silt separation apparatus, cleaning device cleaning, by vibration screening device, the sea sand after screening
It is delivered to cargo ship.
The vibration screening device of the present embodiment uses the structure of embodiment 3, and cleaning device uses the double helix of embodiment one
Washing and dehydrating integrated machine.
Embodiment 5
The handling process that sea sand is desalinated, comprises the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
Cargo ship in step is identical with embodiment one with the Ship Structure for desalinating ship, and desalting plant is passed through on desalination ship
The technique desalinated is sieved by silt separation apparatus, by vibration screening device, cleaning device cleaning, the sea sand after screening
It is delivered to cargo ship.
Vibration screening device uses the structure of embodiment one, and cleaning device uses the fluidization back purge system of embodiment 2.
The above-mentioned description to embodiment is that this hair is understood that and used for ease of those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment,
Those skilled in the art are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be in this hair
Within bright protection domain.
Claims (10)
1. the handling process based on sea sand desalting, it is characterised in that：Comprise the following steps：
(1) marine sea sand acquisition vessel is at sea acquired sea sand in acquisition zone；
(2) gathered after sea sand and sea sand is transported to marine desalination ship；
(3) cargo ship transports fresh water to the desalting plant of marine desalination ship to sea sand progress desalt processing；
(4) again by transporting Ship Transportation to land sea sand finished product laydown area after desalt processing is complete.
2. the handling process according to claim 1 based on sea sand desalting, it is characterised in that：The desalting plant includes mud
Sand separating device, vibration screening device, cleaning device.
3. the handling process according to claim 2 based on sea sand desalting, it is characterised in that：The sea sand by entering successively
Cross silt particle separator, vibration screening device, cleaning device.
4. the handling process according to claim 2 based on sea sand desalting, it is characterised in that：The sea sand by entering successively
Cross silt particle separator, cleaning device, vibration screening device.
5. the handling process based on sea sand desalting according to claim 3 or 4, it is characterised in that：The cleaning device is adopted
Use double helix washing and dehydrating integrated machine.
6. the handling process according to claim 1 based on sea sand desalting, it is characterised in that：The cargo ship includes setting
Sand cabin on main hull, the lower section in the sand cabin, which is provided with, can inject the air tank of air.
7. the handling process according to claim 1 based on sea sand desalting, it is characterised in that：The lower section in the sand cabin is also set
There is the water tank of filled water, the water tank is arranged on above or below air tank.
8. the handling process according to claim 7 based on sea sand desalting, it is characterised in that：The water tank is divided into left and right two
Individual interval, the air tank is divided into two intervals in left and right, by one of interval injection water to the water tank, and to air
The interval discharge air in one, cabin so that hull tilts realization to bank and unloads sand.
9. the handling process based on sea sand desalting according to claim 3 or 4, it is characterised in that：The cleaning device is adopted
Fluidization back-washing machine, including rotatable parts, rotating shaft are used, motor, several connecting brackets, back purge system, motor output shaft are solid
Determine connection rotating shaft, rotating shaft is fixedly connected with the rotor, drive rotatable parts to rotate at a high speed by motor；Between several connecting bracket one end
Every being arranged on rotatable parts, the other end is fixedly connected with back purge system.
10. the handling process according to claim 2 based on sea sand desalting, it is characterised in that：The vibration screening device
It is integrated with cleaning device.
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| CN201710343451.9A CN107162454B (en) | 2017-05-16 | 2017-05-16 | Desalination treatment process based on sea sand |
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| CN110228959A (en) * | 2019-05-17 | 2019-09-13 | 东南大学 | A kind of sea sand desalting ship and its desalination method at estuary |
| CN111205007A (en) * | 2020-02-26 | 2020-05-29 | 广东新龙海洋装备科技有限公司 | Sea sand dechlorination equipment and sea sand dechlorination method |
| CN111995279A (en) * | 2020-08-18 | 2020-11-27 | 顾燕飞 | Shipborne electrochemical sea sand dechlorination desalination system |
| CN114716168A (en) * | 2021-08-17 | 2022-07-08 | 厦门市中砂科技有限公司 | Sea sand purification method |
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| CN107162454B (en) | 2020-06-19 |
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