CN103708703A - System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry - Google Patents
System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry Download PDFInfo
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- CN103708703A CN103708703A CN201410028938.4A CN201410028938A CN103708703A CN 103708703 A CN103708703 A CN 103708703A CN 201410028938 A CN201410028938 A CN 201410028938A CN 103708703 A CN103708703 A CN 103708703A
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Abstract
The invention discloses a system and a process for carrying out deep dehydration rapidly and resource utilization on construction slurry. The system comprises a gravity type dehydration cavity, wherein the gravity type dehydration cavity comprises a slurry inlet, a rotating pressure lever, a check valve, an upper cover board, a vacuum filtration device, a water guide plate, filter cloth, an outer dehydration cavity wall, a guide pipe, a stirring rod, a water collecting tray, a water drainage opening, a back-washing drying device, a scraper and a slurry discharge opening, wherein the upper cover board penetrates through the slurry inlet which is provided with the check valve, the upper cover board is connected with the rotating pressure lever, the rotating pressure lever drives the upper cover board to move up and down, the stirring rod is arranged at the lower end of the upper cover board, the slurry discharge opening is formed in the lower end of the gravity type dehydration cavity, and the scraper is arranged at the upper end of the slurry discharge opening. The slurry treatment system is high in integration degree, light in mass, strong in mobility, high in treatment efficiency, good in effect and low in cost, and is suitable for on-site rapid treatment on constructional engineering slurry, municipal sludge and river dredging sludge.
Description
Technical field
The present invention relates to a kind of high speed dewatering of slurries and recycling system and technique based on action of gravity, fast dewatering, minimizing and the process for reclaiming and the technology that are particularly related to construction slurry, belong to construction work, public works, environmental engineering and mechanical engineering technical field.
Background technology
Incity, city mud is mainly derived from construction work mud, municipal sludge and riverway sludge at present, continuous quickening along with urbanization process, the construction of all kinds of engineerings such as high level, high-rise building, subway, super expressway, large bridge is more and more, and the generation of mud is also increasing.The natural earth of every cube, can produce 3-4 cube of mud, and along with the increase of pile length, a large amount of earth becomes mud and is discharged to construction site and needs outward transport.Therefore, every foundation works conventionally produce several thousand even tens side's mud need outward transport.Because mud moisture content is very high, when directly mud is transported outward, the major part of actual shipment is water, and conveying efficiency is low, has significantly increased Urban traffic burden and has caused energy dissipation.If dealt with improperly, not only cause the waste of resource, but also cause serious environmental problem.For reducing transportation cost, the illegal enterprise of part even enters the city planting ductworks such as municipal sewage system steathily by mud, causes alluvial and the obstruction of the urban pipe networks such as municipal sewage system.Therefore, innoxious, the minimizing of mud become problem demanding prompt solution.
The generation of urban architecture mud mainly contains following feature: 1) wide material sources all have generation in the operations such as foundation construction of Highrise buildings, subway, super expressway, the construction of bridge construction pile foundation, non-excavation piping installation and other heavy structures; 2) free sedimentation difficulty in the short period of time, the particle of mud is tiny, grating is poor, and the stability of the colloid of formation is better, is difficult to natural sedimentation separation.
The processing mode of mud mainly contains following several at present: 1) canning cart (mud car) outward transport, which is that the mud that scene is produced is directly promoted in mud car by slush pump, nature mummification is carried out in the idle place that mud is transported to countryside, city by mud car, but the comprehensive costs such as the transport charge which needs takes, labour cost, overheads are higher, every cubic metre of comprehensive cost is high, and environmental influence is in various degree caused in the region of dissolving; 2) on-the-spot precipitation mummification, which need to be built settling tank at the construction field (site), the mud of generation is entered wherein, carry out natural sedimentation and mummification, sometimes also can add some flocculation agents to carry out precipitating again and being dried after flocculation treatment, but which need to take big area soil, long processing period, and easily working-yard is brought inconvenience; 3) centrifuge dehydration, can adopt whizzer to dewater to construction slurry, but muddy water stirs repeatedly during due to piling construction, the bonding force of muddy water strengthens, especially Muddy Bottoms mud, is difficult to fast mud-water separation by centrifugal force, and the energy consumption of centrifuge dehydration is simultaneously large and processing power is relatively low.
The environmental hazard of mud: the overwhelming majority that accounts for mud capacity is directly discharged in the outward transport of mud at present, and the processing mode of this extensive style easily causes serious environmental pollution and wasting of resources phenomenon.1) contaminate environment, the random exhaust emission water source of construction slurry, destroys vegetation, and the soil that hardens, affects environmental beauty; 2) destroy water quality, the mud that enters steathily rivers not only makes rivers muddy, destroys river channel ecology safety, jeopardizes city domestic water safety, and makes channel filling, affects ship's navigation; 3) destroy urban operating mechanism, enter steathily the destruction that the mud of the facilities such as water drain very easily causes city planting ductwork, block pipeline; 4) aggravated soil erosion.
In recent years, both at home and abroad the research for the treatment of of mud is mainly concentrated on field of oil drilling and river and lake silt, active sludge resource have been turned into more research, and obtained certain scientific payoffs, and it is less to the research of the mud producing in construction work, solidification technology, solid-liquid precipitated separation technology, mud reclamation treatment technology, desanding technology, chemical flocculation precipitation law technology etc. have been researched and developed, but these technology major parts, all in laboratory stage or lab scale stage, can't be carried out large-scale engineering application.
High speed dewatering of slurries technology, as a kind of emerging treatment of mud technology, has advantages of that the feature of environmental protection is good, speed is fast, efficiency is high, treatment effect is obvious, comprehensive benefit is high, is more and more subject to the great attention of numerous researchists and enterprise.
summary of the invention
technical purpose:the object of patent of the present invention is to provide rapidly and efficiently processed system of a kind of mud, this system can be applicable in the fast processing of construction slurry, municipal sludge and training of channel mud, and have that quality is light, volume is little, movability is strong, the obvious advantage for the treatment of effect, be convenient to heavy industrialization application.
summary of the invention:
Construction slurry quick-dehydration device of the present invention is by special structure design, realized the fast deep dehydration of mud under action of gravity, it is characterized in that whole system degree of integration is high, main dehydration is carried out in airtight high-efficiency dehydration chamber, thereby environmental-protecting performance is high, dewatering speed is fast and effective, the earth after processing can directly carry out modification and recycling.
The dehydration of construction slurry fast deep and a recycling system, is characterized in that: comprise gravity type boat davit dewatering cavity (a),
Described gravity type boat davit dewatering cavity, comprise mud import, rotation depression bar, vacuum breaker, upper cover plate, vacuum filtration machine, guide water board, filter cloth, dewatering cavity outer wall, drainage tube, stirring rod, water-collecting tray, water port, back flushing drying installation, cleaning shoe and mud discharging mouth, upper cover plate is passed in mud import, and described vacuum breaker is installed; Upper cover plate is connected with rotation depression bar, and drives upper cover plate to move up and down by rotation depression bar; Described stirring rod is installed in upper cover plate lower end; Described guide water board is arranged on dewatering cavity outer wall inner side, described filter cloth is arranged on the inner side of guide water board, described water-collecting tray is arranged on the inside of guide water board, described drainage tube is set on water-collecting tray, described water-collecting tray and guide water board are connected to described water port, described vacuum filtration machine is connected on dewatering cavity outer wall and to described gravity type boat davit dewatering cavity and vacuumizes, described back flushing drying installation is arranged on outside, gravity type boat davit dewatering cavity lower end, in gravity type boat davit dewatering cavity lower end, be mud discharging mouth, described cleaning shoe is set in mud discharging mouth upper end.
Also comprise a resource utilization modification groove and a band filter transporting mechanism,
Described resource utilization modification groove comprises cell body and is arranged on material modified in cell body, at upper material modified import and the sludge outlet of being also provided with of cell body;
Described band filter transporting mechanism comprises press filtration travelling belt, travelling belt setter, mud-scraper and spoil disposal plate, and described mud-scraper is arranged on the top of described press filtration travelling belt, and the mud of described resource utilization modification groove is also positioned at the top of described press filtration travelling belt.
Dewatering cavity outer wall is comprised of detachable a plurality of parts.
The large lower section in cross section, gravity type boat davit dewatering cavity top is little.
The mud ingress of gravity type boat davit dewatering cavity is provided with vacuum breaker, and mud can only enter gravity type boat davit high-efficiency dehydration chamber from slush pump, and can not reversed flow.
Water in mud dewaters by the guide water board of gravity type boat davit high-efficiency dehydration chamber side-walls and middle drainage tube, and drainage channel is connected with vacuum filtration machine, in drainage pipeline, can form certain negative pressure state.
Gravity type boat davit dewatering cavity top is provided with rotation depression bar, can to gravity type boat davit dewatering cavity, pressurize by rotation depression bar and upper cover plate, improves dewatering efficiency.Stirring rod is installed on upper cover plate, and stirring rod can be carried out circumferential motion along gravity type boat davit dewatering cavity.
All drainage tubes in gravity type boat davit dewatering cavity are arranged on the circular water-collecting tray in dewatering cavity, central drainage.
The openings of sizes of the bottom mud discharging mouth of gravity type boat davit dewatering cavity can regulate.
The entrance of earth resource utilization modification groove is connected with the mud discharging mouth of gravity type boat davit dewatering cavity.
The entrance of band filter transporting mechanism is connected with the outlet of earth resource utilization modification groove, can regulate by travelling belt setter the pressure of strainer.
In gravity type boat davit dewatering cavity, with back flushing drying installation, the filter cloth that can dewater in cavity to gravity type boat davit carries out back flushing fast and drying treatment.
Mud of the present invention rapidly and efficiently processed system comprises three major portions, gravity type boat davit dewatering cavity, earth resource utilization modification groove and band filter transporting mechanism.Wherein, gravity type boat davit dewatering cavity is core and the basic component of whole system.According to the character of mud and processing requirements, gravity type boat davit dewatering cavity can work independently, also can with one or two work in combination in other two parts.And earth resource utilization groove and band filter transporting mechanism are the rapidly and efficiently accessory constituents of processed system of mud, be used in conjunction with gravity type boat davit dewatering cavity as required, the two operation in technological process also can be changed according to demand.
1, the dehydration of mud fast deep and recycling system
1) gravity type boat davit dewatering cavity
Gravity type boat davit dewatering cavity comprises that mud import, rotation depression bar, vacuum breaker, upper cover plate, vacuum filtration machine, guide water board, filter cloth, dewatering cavity outer wall, drainage tube, stirring rod, water-collecting tray, water port, back flushing drying installation, cleaning shoe and mud discharging mouth form.Mud import is through upper cover plate, and vacuum breaker is installed, and mud can only be pumped to gravity type boat davit dewatering cavity from slush pump, and can not countercurrent flow; Upper cover plate is connected with rotation depression bar, and drives upper cover plate to move up and down by rotation depression bar, thereby exerts pressure to gravity type boat davit dewatering cavity; Upper cover plate is provided with stirring rod simultaneously, and stirring rod can move in a circle along dehydration cavity, the mud in cavity is stirred, to improve dewatering efficiency.Gravity type boat davit dehydration chamber outer wall is comprised of two parts or a plurality of part, each several part can be carried out fast and convenient assembling and be opened or split by bolt, buckle etc., in the time need to the drainage tube in cavity, guide water board and filter cloth being checked, be cleaned or change, the outside of directly opening gravity type boat davit dehydration cavity just can operate.
The water discharging part of cavity is mainly comprised of vacuum filtration machine, guide water board, filter cloth, drainage tube, water-collecting tray and water port.Draining in dewatering cavity is mainly divided into two systems, and one is to discharge along inwall and the guide water board of dewatering cavity, and another is to collect rear discharge by drainage tube and water-collecting tray.Guide water board is made by certain thickness porous plate, is installed on gravity type boat davit dewatering cavity outer wall inner side, in the inner side of guide water board, pastes high performance filter cloth, and the water of mud can enter guide water board by filter cloth, then along the outer wall of gravity type boat davit dewatering cavity, discharges.Drainage tube is vesicular one end opening pipe, outer surface cover one deck filter bag, and there is screw thread the lower end of drainage tube, and is installed on water-collecting tray by screw thread; Water in mud enters thrust-augmenting nozzle by the filter cloth on thrust-augmenting nozzle, then comes together in water-collecting tray, and discharges gravity type boat davit dewatering cavity by water port.Meanwhile, in order to increase the power of draining, vacuum filtration machine has been installed on water exhaust system, thereby so that in water exhaust system, has been formed the power that negative pressure improves draining.
The cross section of gravity type boat davit dewatering cavity is up big and down small, because most water has been discharged cavity by above-mentioned two cover water exhaust system, so the amount of substance of discharging is less than the amount entering, make in addition the lower little upper pressure that is conducive to greatly further improve mud row notch portion, reduce the water ratio of earth after processing.For preventing that earth from sticking on the tapered section of gravity type boat davit dewatering cavity, installed cleaning shoe in this part.In addition, the size of gravity type boat davit dewatering cavity bottom mud discharging mouth can regulate by setter.
Another feature of this gravity type boat davit dewatering cavity is with back flushing and drying installation, when system, after operation for some time, system is carried out to back flushing, can adopt high pressure water to carry out back flushing and also can adopt high-pressure air to carry out back flushing, and can carry out drying treatment to it.
2) earth resource utilization modification groove
As required, the earth after earth resource utilization modification groove is to dehydration carries out resource utilization modification.The entrance of earth resource utilization modification groove is connected with the outlet of the earth of gravity type boat davit dewatering cavity, material modified by material modified entrance interpolation, and in modification groove, carries out uniform stirring and modification.
3) outlet of earth resource utilization modification groove is direct is connected with the entrance of band filter transporting mechanism, by the pressure of travelling belt setter accommodation zone filter, to the further press filtration deep dehydration of the earth after modification, and makes it just after one-step forming, to be sent to storage place.Thereby band filter transmits with two major functions, the one, by band, filter further deep dehydration, the 2nd, the earth after dehydration and recycling treatment is sent to storage location.
2, the dehydration of mud fast deep and process for reclaiming
The fast dewatering of construction slurry and recycling treatment process mainly comprise following step, and wherein modified the and dehydration of mud is the key component of whole technological process.
1) by slush pump, slush pump is sent into the modified pond of mud and carry out modifiedly, object makes mud as far as possible in homogeneous and stabilization of state, adds appropriate inorganic or organic floculant to improve flocculation and dewatering speed simultaneously, as poly-aluminium, poly-ferrosilicon etc.;
2) according to the water content requirement after earth processing, adjust the size of gravity type boat davit dewatering cavity mud discharging mouth, the size of mud discharging mouth has direct relation with the water ratio size of processing rear earth, pressure in the larger dewatering cavity of size is less, the water ratio of the earth of discharging is higher, otherwise the earth water ratio of discharging is low;
3) by slush pump by the mud pumping after modified to the gravity type boat davit cavity that dewaters, and by vacuum breaker, control mud can only one way flow;
4) mud starts vacuum filtration machine and stirring rod after being pumped to gravity type boat davit dewatering cavity, makes interior certain negative pressure, the as required pressure in adjusting rotation depression bar adjusting chamber of forming of drainage pipeline of cavity;
5) according to resource utilization purposes and performance requirement, in earth resource utilization modification groove, add suitable material modified, earth is carried out to modification, as the materials such as unslaked lime, gypsum, cement or flyash improve the mechanical property after its dehydration, add the production porous building slabs such as foam material, or add soil for the production afforestation such as humic material, water-holding agent;
6) when the mud-water separation Speed Reduction of gravity type boat davit dewatering cavity to a certain extent after, adjust mud flow valve, mud pumping, to another gravity type boat davit dewatering cavity, is carried out to back flushing and drying treatment to this chamber;
7) the travelling belt setter of accommodation zone filter transporting mechanism, applies suitable pressure, to the further advanced treatment of earth after processing and transmit.
beneficial effect:
The mode of working continuously that system adopts physical filtering to combine with chemical flocculation dehydration, the stabilization of construction slurry and minimizing have obtained sufficient realization, the water ratio of mud is reduced to below 50% from 80-90%, by flow state, become solid-state, fully realize stabilization and the minimizing for the treatment of of mud, significantly reduced processing cost.
Integrated degree is high.This system organically combines the mode of physical filtering, chemical flocculation and mechanical dehydration, it is a complete dewatering system that various Processing Equipment are integrated in, for different characteristics of mud and processing demands, conveniently carry out modular combination, well realized the integrated control and management for the treatment of of mud.
Quality is light, volume is little, movability is strong.System is by the integrated basis of dehydration equipments at different levels, it is rationally smooth that treatment process is connected, the volume of each equipment is little, and each dehydration equipment and process facility all adopt, and quality is light, the high performance light material of good endurance is made, cumulative volume and the total mass of system have greatly been reduced, reduced floor space, and movability significantly strengthens, for the site disposal of mud provides assurance.
Energy-saving and environmental protection and reduction of discharging.System fully by the gravity of mud dewater, do not need too much energy consumption, reduced the discharge of carbonic acid gas, there is significant power conservation feature; Main dehydration procedure carries out in the space of relative closure, effectively reduces the pollution of mud to environment, and carrying out recycling treatment can turn waste into wealth simultaneously, has realized resource and economic reprocessing cycle; Due to mud is carried out to high-efficiency dehydration and recycling, realized " zero " of mud " waste " and even " born " discharge.
accompanying drawing explanation:
Fig. 1 construction slurry fast deep dewatering system and recycling system figure.
Fig. 2 drainage tube structural representation.
Fig. 3 water-collecting tray and with drainage tube interface chart.
Fig. 4 mud high-efficiency dehydration and process for reclaiming schema.
marginal data:
A gravity type boat davit dewatering cavity; B earth resource utilization modification groove; C band filter transporting mechanism; The modified pond of d mud.
1 mud import; 2 rotation depression bars; 3 vacuum breaker; 4 upper cover plates; 5 vacuum filtration machines; 6 guide water boards; 7 filter clothes; 8 dewatering cavity outer walls; 9 drainage tubes; 10 stirring rod; 11 water-collecting trays; 12 water port; 13 back flushinges are dry; 14 cleaning shoes; 15 mud discharging mouths; 16 material modified entrances; 17 earth resource utilization modification grooves; 18 travelling belt setters; 19 mud-scrapers; 20 press filtration travelling belts; 21 spoil disposal plates; 22 filter bag standing bolts; 23 connecting threads; 24 connecting threads; 25 nuts; 26 mud; 27 slush pump; 28 slush pump; 29 directional valves.
embodiment:
Below in conjunction with accompanying drawing, the concrete enforcement of patent of the present invention described:
Fig. 1 is the schematic diagram of the dehydration of construction slurry gravity type boat davit and recycling system, and whole system is comprised of gravity type boat davit dewatering cavity a, earth resource utilization modification groove b and band filter transporting mechanism c.By special structure design, in gravity type boat davit dewatering cavity, realize the fast deep dehydration under action of gravity, it is characterized in that whole system degree of integration is high, main dehydration is carried out in airtight high-efficiency dehydration chamber, thereby environmental-protecting performance is high, dewatering speed is fast and effective, the earth after processing can directly carry out modification and recycling.
Gravity type boat davit dewatering cavity is core and the basic component of whole system, and it can work independently, and also can filter one or two work in combination in transporting mechanism c with band with earth resource utilization modification groove b.
Gravity type boat davit dewatering cavity comprises that mud import 1, rotation depression bar 2, vacuum breaker 3, upper cover plate 4, vacuum filtration machine 5, guide water board 6, filter cloth 7, dewatering cavity outer wall 8, drainage tube 9, stirring rod 10, water-collecting tray 11, water port 12, back flushing are dry 13, cleaning shoe 14 and mud discharging mouth 15 form.Mud import is arranged on upper cover plate 4, in order to prevent that mud from refluxing from gravity type boat davit dewatering cavity a, vacuum breaker 3 has been installed, and only allows mud from slush pump to dewatering cavity uniflux, and can not countercurrent flow; Upper cover plate 4 is connected with rotation depression bar 2, by rotation depression bar 2, drives upper cover plate 4 to move up and down, thereby exerts pressure to gravity type boat davit dewatering cavity, further improves dehydrating effect; For preventing that mud from sticking on the wall of gravity type boat davit dewatering cavity chamber, at upper cover plate, stirring rod 10 is installed, stirring rod can move in a circle along dehydration cavity, and the mud in cavity is stirred; Gravity type boat davit dewatering cavity outer wall 8 mainly plays a supportive role, form internal cavities, by two parts or a plurality of part, formed, each several part can carry out rapid-assembling and dismounting by bolt, buckle etc., in the time need to the guide water board 6 in cavity, filter cloth 7 and drainage tube 9 being checked, be cleaned or change, the outside 8 of directly opening gravity type boat davit dehydration cavity operates.
The structure of drainage tube 9 as shown in Figure 2, pipe by an end opening, the hole that has a plurality of UNICOMs above pipe, strainer is arranged on drainage tube 9 by filter bag standing bolt 22, water in mud can be by drainage tube 9 the filter cloth of outside enter drainage tube, finally come together in water-collecting tray 11, through water port 12, discharge gravity type boat davit dewatering cavity a.
As shown in Figure 3, water-collecting tray is ring-type open tube to water-collecting tray 11, and its pipe diameter size can be determined according to the size of discharge capacity, and drainage tube 9 is connected with water-collecting tray 11 by connecting thread 23.Water-collecting tray passes through; 23 connecting threads; Water-collecting tray is connected with gravity type boat davit dewatering cavity a with nut 25 by connecting thread 24.
Vacuum filtration machine 5 is connected with water-collecting tray 11 and guide water board 6, and vacuum filtration machine can make water-collecting tray and filter cloth-guide water board-dewatering cavity wall space form certain negative pressure after starting, and the size of negative pressure can regulate by the watt level of vacuum filtration machine.
Gravity type boat davit dewatering cavity is provided with two cover water exhaust system altogether, and a set of is the water that special row discharges by guide water board, and another set of is the water that special row discharges by thrust-augmenting nozzle-water-collecting tray, and the water of final two cover water exhaust system collects the rear unified dewatering cavity of discharging.
The cross section of gravity type boat davit dewatering cavity is up big and down small, because most water has been discharged cavity by above-mentioned two cover water exhaust system, so the amount of the earth of discharging will be made the lower little upper pressure that is conducive to greatly further improve row's notch portion in addition much smaller than the amount entering, and reduces the water ratio of earth after processing.For preventing that earth from sticking on the tapered section of gravity type boat davit dewatering cavity, installed cleaning shoe in this part.In addition, the size of gravity type boat davit dewatering cavity bottom mud discharging mouth can regulate by setter.
Another feature of this gravity type boat davit dewatering cavity is with back flushing and drying installation 13, when system can be carried out automatic backwash to system after operation for some time, can adopt high pressure water to carry out back flushing and also can adopt high-pressure air to carry out back flushing, and can carry out drying treatment to it.
2 earth resource utilization modification grooves
As required, the earth after earth resource utilization modification groove b is to dehydration carries out resource utilization modification.The entrance of earth resource utilization modification groove is connected with the outlet of the earth of gravity type boat davit dewatering cavity, material modified by material modified entrance interpolation, and in modification groove, carries out uniform stirring and modification.
The outlet of 3 earth resource utilization modification grooves is directly connected with the entrance of band filter transporting mechanism c, by the pressure of travelling belt setter accommodation zone filter, to the further press filtration deep dehydration of the earth after modification, and makes it to be sent to storage place after first one-step forming.Thereby band filter transmits with two major functions, the one, by band, filter further deep dehydration, the 2nd, the earth after dehydration and recycling treatment is sent to storage location.
2, the dehydration of mud fast deep and process for reclaiming
The fast dewatering of construction slurry and recycling treatment process route as shown in Figure 4, mainly comprise following step, and wherein modified the and dehydration of mud is the key component of whole technological process.
8) by slush pump 26, mud 26 is pumped into the modified pond d of mud and carries out modifiedly, object makes mud 26 as far as possible in homogeneous and stabilization of state, adds appropriate inorganic or organic floculant to improve flocculation and dewatering speed simultaneously, as poly-aluminium, poly-ferrosilicon etc.;
9) according to the water content requirement after earth processing, adjust the size of gravity type boat davit dewatering cavity mud discharging mouth 15, the size of mud discharging mouth has direct relation with the water ratio size of processing rear earth, pressure in the larger dewatering cavity of size is less, the water ratio of the earth of discharging is higher, otherwise the earth water ratio of discharging is low;
10) by slush pump 28 by the mud pumping after modified to gravity type boat davit dehydration cavity a, and can only one way flow by vacuum breaker 3 control mud;
11) mud starts vacuum filtration machine 5 and stirring rod 10 after being pumped to gravity type boat davit dewatering cavity a, makes interior certain negative pressure, the as required pressure in adjusting rotation depression bar adjusting chamber of forming of drainage pipeline of cavity;
12) according to resource utilization purposes and performance requirement, in earth resource utilization modification groove, b adds suitable material modified, earth is carried out to modification, as the materials such as unslaked lime, gypsum, cement or flyash improve the mechanical property after its dehydration, add the production porous building slabs such as foam material, or add soil for the production afforestation such as humic material, water-holding agent;
13) when the mud-water separation Speed Reduction of gravity type boat davit dewatering cavity to a certain extent after, adjust mud flow valve 29, mud pumping, to another gravity type boat davit dewatering cavity a ', is carried out to back flushing and drying treatment to this chamber;
14) the travelling belt setter of accommodation zone filter transporting mechanism, applies suitable pressure, to the further advanced treatment of earth after processing and transmit.
Claims (5)
1. construction slurry fast deep dewaters and a recycling system, it is characterized in that: comprise gravity type boat davit dewatering cavity (a),
Described gravity type boat davit dewatering cavity, comprise mud import, rotation depression bar, vacuum breaker, upper cover plate, vacuum filtration machine, guide water board, filter cloth, dewatering cavity outer wall, drainage tube, stirring rod, water-collecting tray, water port, back flushing drying installation, cleaning shoe and mud discharging mouth, upper cover plate is passed in mud import, and described vacuum breaker is installed; Upper cover plate is connected with rotation depression bar, and drives upper cover plate to move up and down by rotation depression bar; Described stirring rod is installed in upper cover plate lower end; Described guide water board is arranged on dewatering cavity outer wall inner side, described filter cloth is arranged on the inner side of guide water board, described water-collecting tray is arranged on the inside of guide water board, described drainage tube is set on water-collecting tray, described water-collecting tray and guide water board are connected to described water port, described vacuum filtration machine is connected on dewatering cavity outer wall and to described gravity type boat davit dewatering cavity and vacuumizes, described back flushing drying installation is arranged on outside, gravity type boat davit dewatering cavity lower end, in gravity type boat davit dewatering cavity lower end, be mud discharging mouth, described cleaning shoe is set in mud discharging mouth upper end.
2. construction slurry fast deep according to claim 1 dewaters and recycling system, it is characterized in that: also comprise a resource utilization modification groove (b) and a band filter transporting mechanism (c),
Described resource utilization modification groove comprises cell body and is arranged on material modified in cell body, at upper material modified import and the sludge outlet of being also provided with of cell body;
Described band filter transporting mechanism comprises press filtration travelling belt, travelling belt setter, mud-scraper and spoil disposal plate, and described mud-scraper is arranged on the top of described press filtration travelling belt, and the mud of described resource utilization modification groove is also positioned at the top of described press filtration travelling belt.
3. a kind of construction slurry fast deep dehydration according to claim 1 and 2 and recycling system, is characterized in that: dewatering cavity outer wall is comprised of detachable a plurality of parts.
4. a kind of construction slurry fast deep dehydration according to claim 3 and recycling system, is characterized in that: the large lower section in cross section, gravity type boat davit dewatering cavity top is little.
5. the technique based on a kind of construction slurry fast deep dehydration claimed in claim 1 and recycling system, is characterized in that, comprises following step:
Mud is carried out modified, and add appropriate inorganic or organic floculant;
Water content requirement after processing according to earth, the size of adjustment gravity type boat davit dewatering cavity mud discharging mouth;
By slush pump or slag stock pump by the mud pumping after modified to gravity type boat davit dewatering cavity, and by vacuum breaker, control mud can only one way flow;
Mud starts vacuum filtration machine and stirring rod after being pumped to gravity type boat davit dewatering cavity, makes interior certain negative pressure, the as required pressure in adjusting rotation depression bar adjusting chamber of forming of drainage pipeline of cavity;
According to resource utilization purposes and performance requirement, in earth resource utilization modification groove, add material modifiedly, earth is carried out to modification;
When the mud-water separation Speed Reduction of gravity type boat davit dewatering cavity to a certain extent after, adjust mud flow valve, slush pump, to another gravity type boat davit dewatering cavity, is carried out to back flushing and drying treatment to this chamber;
The travelling belt setter of accommodation zone filter transporting mechanism, applies suitable pressure, to processing the further advanced treatment of rear earth and transmitting.
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| CN103951104A (en) * | 2014-04-22 | 2014-07-30 | 浙江省地质矿产工程公司 | Pile foundation construction mud treatment system and mud treatment process |
| CN104817249A (en) * | 2015-05-26 | 2015-08-05 | 浙江海洋学院 | Dredged soil dehydration/solidification integrated device |
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| CN103951104B (en) * | 2014-04-22 | 2015-06-10 | 浙江省地矿建设有限公司 | Pile foundation construction mud treatment system and mud treatment process |
| CN104817249A (en) * | 2015-05-26 | 2015-08-05 | 浙江海洋学院 | Dredged soil dehydration/solidification integrated device |
| CN105057320A (en) * | 2015-09-18 | 2015-11-18 | 南通天蓝环保能源成套设备有限公司 | Process for disposing waste residue of engineering |
| WO2017088645A1 (en) * | 2015-11-27 | 2017-06-01 | 杜丽娜 | Construction slurry dewatering apparatus |
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| CN108455749A (en) * | 2017-02-22 | 2018-08-28 | 郑百祥 | It is a kind of to the sewage disposal device containing solids |
| CN108455749B (en) * | 2017-02-22 | 2024-04-26 | 郑百祥 | Sewage treatment equipment for containing solids |
| CN107088321B (en) * | 2017-07-03 | 2019-12-13 | 合肥工业大学 | Mud-water separation equipment and sludge treatment equipment |
| CN107088321A (en) * | 2017-07-03 | 2017-08-25 | 合肥工业大学 | Mud and water separating equipment and sludge treatment device |
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| CN110217965A (en) * | 2019-06-03 | 2019-09-10 | 广东恒鑫智能装备股份有限公司 | A kind of vertical multi-layer sludge dehydration device |
| CN110217962B (en) * | 2019-06-03 | 2022-05-13 | 广东恒鑫智能装备股份有限公司 | Sludge dewatering subassembly |
| CN110217964A (en) * | 2019-06-03 | 2019-09-10 | 广东恒鑫智能装备股份有限公司 | A kind of sludge dewatering extrusion die |
| CN113024078A (en) * | 2021-03-24 | 2021-06-25 | 国网江苏省电力有限公司建设分公司 | Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry |
| CN113024078B (en) * | 2021-03-24 | 2023-03-14 | 国网江苏省电力有限公司建设分公司 | Selection device for flocculating agent used for filter-pressing dehydration treatment of engineering slurry |
| CN113292222A (en) * | 2021-05-27 | 2021-08-24 | 江苏科技大学 | Waste slurry treatment system for continuously adjusting flocculation scheme in real time and implementation method |
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