CN110616762A - Marine dredging sludge solidification integrated treatment equipment - Google Patents
Marine dredging sludge solidification integrated treatment equipment Download PDFInfo
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- CN110616762A CN110616762A CN201910962634.8A CN201910962634A CN110616762A CN 110616762 A CN110616762 A CN 110616762A CN 201910962634 A CN201910962634 A CN 201910962634A CN 110616762 A CN110616762 A CN 110616762A
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- sludge
- metering
- agent solution
- curing agent
- distributing system
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- 239000010802 sludge Substances 0.000 title claims abstract description 176
- 238000007711 solidification Methods 0.000 title claims abstract description 38
- 230000008023 solidification Effects 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 83
- 239000013535 sea water Substances 0.000 claims abstract description 68
- 238000012216 screening Methods 0.000 claims abstract description 47
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 239000002689 soil Substances 0.000 claims abstract description 36
- 238000005303 weighing Methods 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 238000011049 filling Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000002002 slurry Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
- E02F7/023—Conveying equipment mounted on a dredger mounted on a floating dredger
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
- E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a solidification integrated treatment device for dredging sludge for a ship, which belongs to the technical field of dredging engineering, is arranged on a main deck of a barge and comprises a sludge feeding device, a sludge screening device, a sludge solidification treatment device and a conveying device, wherein the sludge feeding device, the sludge screening device, the sludge solidification treatment device and the conveying device are sequentially arranged; the sludge solidification treatment device comprises a sludge metering and distributing system, a seawater metering and distributing system, a curing agent solution metering and distributing system and a stirrer for stirring the sludge, the seawater and the curing agent solution into a qualified solidified soil finished product; the sludge metering and distributing system receives sludge on the screening part of the sludge screening device, and outlets of the sludge metering and distributing system, the seawater metering and distributing system and the curing agent solution metering and distributing system are all connected with the stirrer. The invention realizes the resource utilization of the dredged sludge, has compact whole process arrangement, can be arranged on a barge, has high curing treatment efficiency and is suitable for the large-scale treatment of the cured soil.
Description
Technical Field
The invention belongs to the technical field of dredging engineering, and particularly relates to a solidification integrated treatment device for marine dredging sludge.
Background
The sludge solidification integrated treatment equipment is applied more in sludge solidification engineering, the existing sludge solidification equipment is mainly arranged on land, the occupied space of the equipment does not need to be considered finely, the equipment is dispersed, the arrangement difficulty is smaller compared with that of a barge, the land solidification equipment is not considered to be simply moved to the barge to cause abnormal difficulty, the barge is overlarge in size, and the cost of the whole ship is greatly increased. And when the curing equipment is placed on land, once problems occur, the curing equipment is relatively easy to treat, and the whole set of equipment can not be stopped to construct generally.
In addition, the domestic existing sludge solidification equipment has small treatment capacity, cannot meet the requirement of large engineering quantity, is more used for repairing or treating polluted soil, and is rarely used for sludge solidification and island building. The outside throwing of the dredged mud needs to find a proper mud throwing point or needs a proper water area to carry out dredger fill and land building, and no matter which way is selected, the dredged mud can cause bad influence on the environment of the surrounding water area, and once the dredged mud is treated by certain equipment and recycled, the dredged mud is changed into valuable things and can generate great economic benefit.
In view of the above problems, it is necessary to provide an integrated treatment apparatus for curing and curing dredging sludge for ships, which is suitable for solidification and island building or coastal shore-based reinforcement and has excellent performance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a solidification and integration treatment device for dredging sludge for a ship, which solves the problem of resource utilization of the dredging sludge.
The invention is realized in such a way that the integrated treatment equipment for curing the dredging sludge for the ship is arranged on a main deck of a barge and comprises a sludge feeding device, a sludge screening device, a sludge curing treatment device and a conveying device for pumping a finished product of the curing soil into a required area, wherein the sludge feeding device, the sludge screening device, the sludge curing treatment device and the conveying device are sequentially arranged; the sludge solidification treatment device comprises a sludge metering and distributing system, a seawater metering and distributing system, a curing agent solution metering and distributing system and a stirrer for stirring the sludge, the seawater and the curing agent solution into a qualified solidified soil finished product; the silt measurement distribution system accepts the silt of silt screening plant sieve partial, the export of silt measurement distribution system, sea water measurement distribution system and curing agent solution measurement distribution system all connects the mixer.
The sludge feeding device conveys the sludge to the sludge screening device for screening, the screened qualified sludge is conveyed to the sludge metering and distributing system, the sludge, the seawater and the curing agent slurry are accurately metered by the sludge metering and distributing system, the seawater metering and distributing system and the curing agent solution metering and distributing system respectively, the sludge, the seawater and the curing agent slurry enter the stirrer for manufacturing a cured soil finished product, and then the cured soil finished product is pumped to the coast or the seabed through the conveying device.
In the above technical scheme, preferably, the sludge loading device is used for loading and unloading the sludge in the hopper into the sludge screening device, the sludge loading device is a backhoe excavator, and the backhoe excavator is installed on one side of the ship board and placed on the backhoe excavator base.
In the above technical scheme, it is preferred, silt screening plant includes screening platform and the shale shaker of setting on the screening platform, the hopper is installed on the upper portion of shale shaker, and the collecting hopper of depositing the qualified silt of screening is installed to the lower part, the shale shaker is the two-stage shale shaker.
In the above technical scheme, it is preferable that a bucket elevator for conveying the screened part of the sludge screening device to the sludge metering and distributing system is arranged between the sludge screening device and the sludge solidification processing device, one end of the bucket elevator, which is far away from the sludge screening device, is located right above the sludge metering and distributing system, and the inclination angle of the bucket elevator is 70 °.
In the above technical solution, preferably, the sludge solidification processing apparatus further includes a stirring platform, the sludge metering and distributing system, the seawater metering and distributing system, and the solidifying agent solution metering and distributing system are all disposed on the upper portion of the stirring platform, and the stirrer is located on the lower portion of the stirring platform.
In the above technical solution, preferably, the sludge metering and distributing system, the seawater metering and distributing system, and the curing agent solution metering and distributing system are all controlled by an automatic control system, and are respectively responsible for accurately metering sludge, seawater, and curing agent slurry, so that they are mixed according to a certain proportion.
In the above technical solution, it is further preferable that the sludge metering and distributing system includes a sludge storage hopper, a screw conveyor and a sludge weighing hopper, an outlet of the sludge storage hopper is connected to the sludge weighing hopper through the screw conveyor, and an outlet of the sludge weighing hopper is connected to the agitator;
the seawater metering and distributing system comprises a high-level water tank, a first electric control valve, a seawater weighing hopper and a first pipeline pump, wherein the first pipeline pump pumps seawater into the high-level water tank through a sea floor door on a ship, the outlet of the high-level water tank is connected with the seawater weighing hopper through a pipeline, the first electric control valve is arranged on an outlet pipeline of the high-level water tank, and the outlet of the seawater weighing hopper is respectively connected with a stirrer and a curing agent solution metering and distributing system through pipelines;
the curing agent solution metering and distributing system comprises a powder bin, a curing agent solution stirring barrel, a second electric control valve, a curing agent solution weighing hopper and a second pipeline pump, wherein the powder bin is connected with the curing agent solution stirring barrel through a screw conveyor or a pneumatic conveying device, the curing agent solution stirring barrel is also connected with the outlet end of the seawater weighing hopper, the outlet of the curing agent solution stirring barrel is connected with the curing agent solution weighing hopper through a pipeline, the second pipeline pump and the second electric control valve are sequentially arranged on the outlet pipeline of the curing agent solution stirring barrel, and the outlet of the curing agent solution weighing hopper is connected with a stirrer through a pipeline.
In the above technical scheme, preferably, the mixer is a double horizontal shaft forced mixer, and is used for uniformly mixing the sludge, the seawater and the curing agent solution in a certain proportion to obtain a qualified cured soil finished product.
In the above technical solution, it is further preferable that a double horizontal shaft continuous mixer for continuously activating the solidified soil finished product produced by the double horizontal shaft forced mixer is further provided below the double horizontal shaft forced mixer, so as to prevent the solidified soil from being condensed and ensure that the quality of the solidified soil finished product meets the construction requirements, and the double horizontal shaft continuous mixer is installed on the main deck of the barge.
In the above technical solution, it is further preferable that the conveying device includes an industrial filling pump located below the double horizontal shaft continuous mixer, receiving the outlet end of the double horizontal shaft continuous mixer, and continuously pumping the solidified soil finished product, the industrial filling pump is located in a pump chamber, the industrial filling pump pumps out the solidified soil finished product through a pouring pipeline, a distribution rod for adjusting the pouring range of the solidified soil finished product is arranged at the stern of the barge, and the distribution radius is adjustable.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention adopts a brand new technical scheme, realizes the resource utilization of the dredging sludge, greatly improves the utilization rate of the dredging sludge, avoids the sea area pollution caused by throwing and filling the sludge, changes waste into valuable and can generate greater economic benefit; according to the invention, different devices are combined together, and the screening, metering, stirring and pumping of the dredged sludge are realized in an integrated manner, the whole process is compact, the dredging device can be arranged on a barge, and a solidified soil finished product is poured to the coast or the seabed for shore-based restoration and reinforcement or island building; the invention has compact arrangement and high curing treatment efficiency, and is suitable for large-scale treatment of the cured soil.
Drawings
FIG. 1 is a side view of a general layout of a marine dredging sludge solidification integrated processing apparatus provided by an embodiment of the present invention;
FIG. 2 is a top plan general layout view of the integrated marine dredging sludge solidification treatment apparatus provided by an embodiment of the present invention;
fig. 3 is a general layout diagram of a pump room of the integrated treatment equipment for solidifying the marine dredging sludge according to the embodiment of the invention.
In the figure: 1. a sludge feeding device; 1-1, a backhoe; 1-2, a base; 2. a sludge screening device; 2-1, screening a platform; 2-2, vibrating a screen; 2-3, a hopper; 2-4, a collecting hopper; 3. a bucket elevator; 4. a sludge metering and distributing system; 4-1, a sludge storage hopper; 4-2, a screw conveyor; 4-3, a sludge weighing hopper; 5. a seawater metering and distributing system; 5-1, a high-level water tank; 5-2, a first electric control valve; 5-3, a seawater weighing hopper; 6. a curing agent metering and dispensing system; 6-1, a powder bin; 6-2, a curing agent solution stirring barrel; 6-3, an electric control valve II; 6-4, weighing a curing agent solution; 7. a stirring platform; 8. a double horizontal shaft forced stirrer; 9. a double horizontal shaft continuous stirrer; 10. an industrial fill pump; 11. a distributing rod; 12. and (6) pouring the pipeline.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a", "an", "two", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1 to 3, the embodiment provides an integrated treatment apparatus for curing ship dredging sludge, which is installed on a main deck of a barge and comprises a sludge feeding device 1, a sludge screening device 2, a sludge curing treatment device and a conveying device for pumping a finished product of cured soil into a required area, which are arranged in sequence; the sludge solidification treatment device comprises a sludge metering and distributing system 4, a seawater metering and distributing system 5, a curing agent solution metering and distributing system 6 and a stirrer for stirring the sludge, the seawater and the curing agent solution into a qualified solidified soil finished product; the sludge metering and distributing system 4 receives sludge on the sieved part of the sludge sieving device 2, and outlets of the sludge metering and distributing system 4, the seawater metering and distributing system 5 and the solidifying agent solution metering and distributing system 6 are all connected with a stirrer.
The sludge feeding device 1 is used for loading and unloading sludge in the hopper into the sludge screening device 2, the sludge feeding device 1 is a backhoe excavator 1-1, the backhoe excavator 1-1 is installed on one side of a ship board (a left side or a right chord of a barge) and is placed on a backhoe excavator base 1-2, and the sludge in the hopper is thrown into the sludge screening device 2 by a bucket of the backhoe excavator 1-1 for screening.
The sludge screening device 2 comprises a screening platform 2-1 and a vibrating screen 2-2 arranged on the screening platform, wherein the upper part of the vibrating screen 2-2 is provided with a conical hopper 2-3, the lower part of the vibrating screen is provided with a conical collecting hopper 2-4 for storing and screening qualified sludge, and the vibrating screen 2-2 is a two-stage vibrating screen and is provided with two layers of screen meshes. And (3) carrying out two-stage screening on the sludge by using the vibrating screen 2-2, dropping the qualified sludge into the collecting hopper 2-4 at the lower part of the vibrating screen, and enabling sundries to enter a sundry box at one side of the ship board, thereby completing the screening process of the sludge.
Be provided with between silt screening plant 2 and the silt solidification treatment device and be used for carrying silt screening plant sieve partial to silt measurement distribution system's bucket and carry machine 3, the one end that silt screening plant was kept away from to bucket is located silt measurement distribution system 4 directly over, the inclination of bucket and carry machine 3 is 70. The hopper lifter 3 connects the screening platform 2-1 with the stirring platform 7, and the hopper lifter 3 conveys the qualified screened sludge into the sludge metering and distributing system 4 through a sludge hopper inside the hopper lifter so as to prepare the sludge metering and distributing system 4 to accurately meter the required sludge amount.
The sludge solidification treatment device further comprises a stirring platform 7, the sludge metering and distributing system 4, the seawater metering and distributing system 5 and the curing agent solution metering and distributing system 6 are all arranged on the upper portion of the stirring platform 7, and the stirrer is located on the lower portion of the stirring platform 7. The sludge metering and distributing system 4, the seawater metering and distributing system 5 and the curing agent solution metering and distributing system 6 are controlled by an automatic control system and are respectively responsible for accurately metering sludge, seawater and curing agent slurry so as to mix the sludge, the seawater and the curing agent slurry according to a certain proportion.
The sludge metering and distributing system 4 comprises a sludge storage hopper 4-1, a screw conveyor 4-2 and a sludge weighing hopper 4-3, wherein an outlet of the sludge storage hopper 4-1 is connected with the sludge weighing hopper 4-3 through the screw conveyor 4-2, and an outlet of the sludge weighing hopper 4-3 is connected with a stirrer. The sludge in the sludge storage hopper 4-1 is conveyed into the sludge weighing hopper 4-3 through the screw conveyor 4-2, until the sludge weighing hopper 4-3 displays that the required sludge reaches a certain weight, the whole equipment automatic control system sends a control signal according to the weight value provided by the sludge weighing hopper of the system, the screw conveyor 4-2 is stopped to continue conveying the sludge into the sludge weighing hopper 4-3, and therefore the purpose of accurately metering the sludge is achieved, and the accurately metered sludge enters the stirrer.
The seawater metering and distributing system 5 comprises a high-level water tank 5-1, an electric control valve I5-2, a seawater weighing hopper 5-3 and a pipeline pump I (not shown in the figure), seawater is pumped into the high-level water tank 5-1 by the pipeline pump I through a sea floor door on a ship, the outlet of the high-level water tank 5-1 is connected with the seawater weighing hopper 5-3 through a pipeline, the electric control valve I5-2 is arranged on an outlet pipeline of the high-level water tank 5-1, and the outlet of the seawater weighing hopper 5-3 is respectively connected with a stirrer and a curing agent solution metering and distributing system 6 through pipelines. The first pipeline pump pumps seawater into the high-level water tank 5-1 through a sea floor door on a ship, the seawater enters the seawater weighing hopper 5-3 through a pipeline, until the seawater weighing hopper 5-3 displays that the required seawater reaches a certain weight, the whole set of equipment automatic control system sends a control signal according to the weight value provided by the seawater weighing hopper of the system, the first electric control valve 5-2 is closed, so that the aim of accurately metering the seawater is achieved, the accurately metered seawater enters a stirrer or a curing agent solution metering and distributing system, and valves on corresponding pipelines are opened as required during working, so that the seawater is supplied.
The curing agent solution metering and distributing system 6 comprises a powder bin 6-1, a curing agent solution stirring barrel 6-2, an electric control valve II 6-3, a curing agent solution weighing hopper 6-4 and a pipeline pump II (not shown in the figure), wherein the powder bin 6-1 is connected with the curing agent solution stirring barrel 6-2 through a screw conveyor or pneumatic conveying, the curing agent solution stirring barrel 6-2 is further connected with the outlet end of the seawater weighing hopper 5-3, the outlet of the curing agent solution stirring barrel 6-2 is connected with the curing agent solution weighing hopper 6-4 through a pipeline, the pipeline of the outlet of the curing agent solution stirring barrel 6-2 is sequentially provided with the pipeline pump II and the electric control valve II 6-3, and the outlet of the curing agent solution weighing hopper 6-4 is connected with a stirrer through a pipeline. The curing agent powder in the powder bin 6-1 is conveyed into a curing agent solution stirring barrel 6-2 on a deck through a screw conveyor or a pneumatic conveyor, and required seawater enters the curing agent solution stirring barrel 6-2 through a seawater weighing hopper 5-3 of a seawater metering and distributing system and a pipeline, so that the curing agent solution is prepared according to a certain proportion. The curing agent solution in the curing agent solution stirring barrel 6-2 is pumped into a curing agent solution weighing hopper 6-4 through a pipeline pump II until the curing agent solution weighing hopper 6-4 displays that the required curing agent solution reaches a certain weight, the whole set of equipment automatic control system sends a control signal according to the weight value provided by the curing agent solution weighing hopper of the system, and an electric control valve II 6-3 is closed, so that the aim of accurately metering the curing agent solution is fulfilled, and the curing agent solution which is accurately metered enters the stirrer.
The stirrer is a double-horizontal-shaft forced stirrer 8 and is used for uniformly stirring the sludge, the seawater and the curing agent solution in a certain proportion to obtain a qualified cured soil finished product. The double-horizontal-shaft forced stirrer 8 respectively receives the sludge, the seawater and the curing agent solution from the sludge metering and distributing system 4, the seawater metering and distributing system 5 and the curing agent solution metering and distributing system 6, and uniformly stirs the three substances within a certain time to reach a certain standard.
And a double-horizontal-shaft continuous stirrer 9 used for continuously activating the solidified soil finished product produced by the double-horizontal-shaft forced stirrer 8 is further arranged below the double-horizontal-shaft forced stirrer 8, and the double-horizontal-shaft continuous stirrer 9 is arranged on a main deck of the barge, so that the solidified soil is prevented from being condensed, and the property of the solidified soil finished product is ensured to be unchanged, thereby being beneficial to continuous pumping of an industrial filling pump 11 without blockage.
Conveyor is including being located double horizontal axle continuous mixer 9 below, accepting double horizontal axle continuous mixer 9 exit end, being used for carrying out the industry filling pump 10 of continuous pump sending to the solidification soil finished product, industry filling pump 10 is located the pump cabin, and industry filling pump 10 goes out solidification soil finished product through pouring pipeline 12 pump sending, satisfies big quantitative construction requirement. The stern of the barge is provided with a distributing rod 11 for adjusting the pouring range of the solidified soil finished product, the solidified soil distributing area is adjustable, and the distributing radius reaches dozens of meters.
The specific implementation process of the invention comprises the following steps:
the method comprises the steps that the mud barge conveys the mud to a side of a solidification ship, the mud in the mud barge is thrown into a hopper 2-3 at the upper part of a vibrating screen 2-1 of a screening platform 2-1 through a bucket of a backhoe excavator 1-1, the vibrating screen 2-2 carries out two-stage screening on initial mud from the hopper through two layers of screen meshes, the qualified mud falls into a collecting hopper 2-4 at the lower part of the vibrating screen 2-2, and impurities enter a sundry box at one side of the ship;
the bucket elevator 3 conveys the qualified sludge screened in the collecting hoppers 2-4 to a sludge metering and distributing system 4 at the top of the stirring platform 7 through a sludge bucket, and the sludge metering and distributing system 4 finishes the accurate metering of the required sludge and conveys the sludge to a double-horizontal-shaft forced stirrer 8; the curing agent powder in the powder bin 6-1 is conveyed to a curing agent solution stirring barrel 6-2 through a screw conveyor or a pneumatic mode, seawater is metered by a seawater weighing hopper 5-3 of a seawater metering and distributing system and enters the curing agent solution stirring barrel 6-2 through a pipeline, the curing agent solution preparation is completed according to a certain proportion, and the curing agent solution is precisely metered by the curing agent solution metering and distributing system 6 and enters a double-horizontal-shaft forced stirrer 8 through a pipeline; the seawater is accurately metered by the seawater metering and distributing system 5 and then enters the double horizontal shaft forced stirrer 8 through the pipeline;
the double horizontal shaft forced stirrer 8 fully stirs the silt, the seawater and the curing agent solution within a certain time, and the cured soil finished product is manufactured according to a certain process standard;
the finished solidified soil product after being manufactured immediately enters a double horizontal shaft continuous stirrer 9 for continuous stirring to ensure that the properties of the solidified soil product are unchanged and the properties meet the requirements;
and then continuously pumping by an industrial filling pump 10, and finally pouring the solidified soil finished product to a construction area through a distribution rod 11 and a pouring pipeline 12.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The integrated treatment equipment for curing the dredged sludge for the ship is characterized by being installed on a main deck of a barge and comprising a sludge feeding device, a sludge screening device, a sludge curing treatment device and a conveying device, wherein the sludge feeding device, the sludge screening device, the sludge curing treatment device and the conveying device are sequentially arranged; the sludge solidification treatment device comprises a sludge metering and distributing system, a seawater metering and distributing system, a curing agent solution metering and distributing system and a stirrer for stirring the sludge, the seawater and the curing agent solution into a qualified solidified soil finished product; the silt measurement distribution system accepts the silt of silt screening plant sieve partial, the export of silt measurement distribution system, sea water measurement distribution system and curing agent solution measurement distribution system all connects the mixer.
2. The integrated marine dredging sludge solidification processing apparatus as claimed in claim 1, wherein the sludge loading device is used for loading and unloading the sludge in the hopper into the sludge screening device, and the sludge loading device is a backhoe excavator which is installed on the side of the ship board and placed on the backhoe excavator base.
3. The integrated solidification treatment equipment for the dredged sludge according to claim 1, wherein the sludge screening device comprises a screening platform and a vibrating screen arranged on the screening platform, the upper part of the vibrating screen is provided with a hopper, the lower part of the vibrating screen is provided with a collecting hopper for storing the sludge qualified by screening, and the vibrating screen is a two-stage vibrating screen.
4. The integrated dredging sludge solidification processing apparatus as claimed in claim 1, wherein a bucket elevator for conveying the screened part of the sludge screening device to the sludge metering and distributing system is arranged between the sludge screening device and the sludge solidification processing device, one end of the bucket elevator, which is far away from the sludge screening device, is positioned right above the sludge metering and distributing system, and the inclination angle of the bucket elevator is 70 °.
5. The integrated dredging sludge solidification processing apparatus of claim 1, wherein the sludge solidification processing apparatus further comprises a stirring platform, the sludge metering and distributing system, the seawater metering and distributing system and the solidifying agent solution metering and distributing system are all disposed at an upper portion of the stirring platform, and the stirrer is located at a lower portion of the stirring platform.
6. The integrated marine dredging sludge solidification processing apparatus of claim 1, wherein the sludge metering and distributing system, the seawater metering and distributing system and the solidifying agent solution metering and distributing system are all controlled by an automated control system, and are respectively responsible for the precise metering of the sludge, the seawater and the solidifying agent solution.
7. The integrated dredging sludge solidification processing apparatus as claimed in claim 6, wherein the sludge metering and distributing system comprises a sludge storage hopper, a screw conveyor and a sludge weighing hopper, wherein an outlet of the sludge storage hopper is connected with the sludge weighing hopper through the screw conveyor, and an outlet of the sludge weighing hopper is connected with the stirrer;
the seawater metering and distributing system comprises a high-level water tank, a first electric control valve, a seawater weighing hopper and a first pipeline pump, wherein the first pipeline pump pumps seawater into the high-level water tank through a sea floor door on a ship, the outlet of the high-level water tank is connected with the seawater weighing hopper through a pipeline, the first electric control valve is arranged on an outlet pipeline of the high-level water tank, and the outlet of the seawater weighing hopper is respectively connected with a stirrer and a curing agent solution metering and distributing system through pipelines;
the curing agent solution metering and distributing system comprises a powder bin, a curing agent solution stirring barrel, a second electric control valve, a curing agent solution weighing hopper and a second pipeline pump, wherein the powder bin is connected with the curing agent solution stirring barrel through a screw conveyor or a pneumatic conveying device, the curing agent solution stirring barrel is also connected with the outlet end of the seawater weighing hopper, the outlet of the curing agent solution stirring barrel is connected with the curing agent solution weighing hopper through a pipeline, the second pipeline pump and the second electric control valve are sequentially arranged on the outlet pipeline of the curing agent solution stirring barrel, and the outlet of the curing agent solution weighing hopper is connected with a stirrer through a pipeline.
8. The marine dredging sludge solidification integrated processing apparatus of claim 1, wherein the agitator is a double horizontal shaft forced agitator for uniformly agitating sludge, seawater and a curing agent solution in a certain proportion into a qualified solidified soil product.
9. The marine dredged sludge solidification integrated processing apparatus of claim 8, wherein a double horizontal shaft continuous mixer for continuously activating the solidified soil finished product produced by the double horizontal shaft forced mixer is further disposed below the double horizontal shaft forced mixer, and the double horizontal shaft continuous mixer is installed on a main deck of the barge.
10. The marine dredging sludge solidification integrated processing device as claimed in claim 9, wherein the conveying device comprises an industrial filling pump which is located below the double horizontal shaft continuous mixer, receives an outlet end of the double horizontal shaft continuous mixer and is used for continuously pumping the solidified soil finished product, the industrial filling pump is located in a pump cabin, the industrial filling pump pumps the solidified soil finished product out through a pouring pipeline, and a distributing rod for adjusting the pouring range of the solidified soil finished product is arranged at the stern of the barge.
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