CN1632244A - City internal river watercourse desilting construction process - Google Patents
City internal river watercourse desilting construction process Download PDFInfo
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- CN1632244A CN1632244A CN 200510002181 CN200510002181A CN1632244A CN 1632244 A CN1632244 A CN 1632244A CN 200510002181 CN200510002181 CN 200510002181 CN 200510002181 A CN200510002181 A CN 200510002181A CN 1632244 A CN1632244 A CN 1632244A
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Abstract
The present invention relates to a city internal river watercourse desilting construction process belonging to general river course engineering. The patent class number is: E02B1/00. The process includes the following steps: (1) underwater desilting, digging and lading; (2) water transport; (3) unloading the ship and storage; (4) empty ship driving back to the desilting locale. The process of the invention is especially adapted for the city internal river watercourse desilting construction; the equipment is reasonable, rigid in movement, convenient in operation, safe and high efficiency, reliable in desilting quality, can satisfy environmental protection requirement, and is a construction process integrated with dig, transport and unload operations.
Description
Technical field
The present invention relates to a kind of city inland river channel cleanout construction technology, belong to river course desilting engineering under water, Patent classificating number: E02B1/00.
Background technology
China is vast in territory, and city river is numerous, each bar river course as the blood vessels in city all undertaking drink, different function such as flood passage, water drainage, tourism, shipping.Therefore, keep city river sanitation and hygiene, permanent safety, have vitality forever, just must in time carry out desilting work to the city inland river river course.
The following several technologies of the main at present dependence of city inland river channel cleanout:
(1) slush pump desilting: equipment adopts hydraulic navvy, is made up of towards mud system, electrical distribution system or diesel-driven generator system the defeated mud system of vertical slush pump, high-pressure pump.Simulated flow washes away principle, borrow hydraulic action to cut the earth, fail soil, banket, be that current produce pressure through high-pressure pump, spray one closely knit high speed water column by hydraulic giant, cutting, the pulverizing soil body, make it humidifying, disintegration, form the mixing of mud and clod, inhale by vertical slush pump and dredging tube thereof again and deliver to the mound field.
Shortcoming is: need the river course segmentation to dam, implement behind the eliminating water; Lay mud conveying pipeline and must not surpass 100m, need to be provided with and abandon Ni Chang; Can't pulverize and remove building waste in the river course.
(2) adopt cutter suction dredger: shortcoming: 1) need the spoil disposal place, and the spoil disposal field is taken up an area of many; Need set up pipeline and multistage booster station; Desilting process spoil disposal pipeline is floating with dredge boat, and the blocking-up navigation channel influences the river course navigation; 2) limited by bridge height, the current difficulty of dredge boat; 3) need to remove earlier a large amount of foreign material such as underwater dumped rockfill, building waste, the construction operation difficulty causes reamer to damage and line clogging easily; 4) operation can not put in place in a desilting under bank slope tooth pin and the bridge; 5) need handle the pollution of spoil disposal field water return secondary.
(3) amphibious dredge boat and dull and stereotyped barge transport fully sheathed case:
Utilize amphibious excavator excavation, it is the power transportation with the tugboat that dull and stereotyped barge carries storage mud fully sheathed case, is transported to the staithe, and crane hangs storage mud box to dump truck secondary and has bad luck to the spoil disposal field, and crane hangs the storage mud box again and unloads mud.
Shortcoming: 1) transportation needs to refute with flat board, carries mud box, and expense is higher; 2) amphibious excavator can only be in the job execution of depth of water 1.5-2 rice scope, and the deep trouth excavation is restricted; 3) secondary is had bad luck needs with 50t crawler crane lifting fully sheathed case to be transported to the spoil disposal field to transport vehicle.Wind-force surpasses 5 grades can not carry out lifting operation, dangerous.
In view of the shortcoming of the said equipment in the desilting engineering, according to the special humanity in city, environmental requirement, and the geographical environment of city inland river river course complexity such as bridge is many, submarine pipeline and the telecommunication optical cable is many, layout is complicated, building is drawn characteristics such as rubbish is many; People need a kind ofly can overcome technology above-mentioned shortcoming, environmental protection, the city inland river channel cleanout.
Summary of the invention
The purpose of this invention is to provide a kind of city inland river channel cleanout construction technology, this technology, adopt reasonable equipment, move flexibly, simple operation, safe and efficient, desilting reliable in quality, environmental protection meet the requirements, be a kind of Trinitarian technology of operation of digging, transport, unload.
Technical scheme of the present invention is: a kind of city inland river channel cleanout construction technology is characterized in that this technology may further comprise the steps:
(1) desilting under water, the excavation shipment:
Equipment: floating vessel type buoyancy tank, hydraulic grab, excavator.
Operation: with floating vessel type buoyancy tank, hydraulic grab, excavator three complete equipments, assembled on site becomes the floating vessel type hydraulic grab machine in the desilting river course; These facility have the two-way guide pile of regulating, and have the conciliation navigation system of one's own.In the river course, excavate desilting; With mud by the hydraulic grab machine half storehouse formula hopper ship of packing into.
(2) water route transportation:
Equipment: half storehouse formula hopper ship, tugboat.
Operation: will fill several half storehouse formula hopper ships of mud, the queuing marshalling; Cared for by tugboat, the road is hauled and is specified the dump place along the river.
(3) unload a ship, store:
Equipment: totally-enclosed clean two-sided hydraulic grab machine, the tipping lorry of easily grabbing of walking;
Operation: easily grab clean two-sided hydraulic grab and unload mud in second storehouse formula hopper ship, the tipping lorry of packing into by totally-enclosed; Being transported to assigned address by tipping lorry again stores.
(4) clean ship returns and sails desilting site:
Equipment: half storehouse formula hopper ship, tugboat.
Operation: the sky half storehouse formula hopper ship after will unloading a ship, queuing marshalling; By the tugboat traction, the channel cleanout scene is hauled go back in the road along the river.
Because this process using has the two-way floating vessel type hydraulic grab machine of regulating guide pile, but therefore field stripping, assembling, can not be subjected to the restriction of bridge height and width, in the river course walking convenient, move flexibly.
Easily grab clean two-sided hydraulic grab machine owing to this process using walking is totally-enclosed, this equipment is light, totally-enclosed, the desilting digging process is to the not disturbance of bed-silt soil property, lifting process leakage pollution water quality not in the water, both can be used for the boats and ships dump entrucking of floating, can be used in the water desilting again and grab mud, environment protecting is good, the efficiency of construction height.
Because this process using half storehouse formula hopper ship, this ship is drive not, and draft is little, is applicable to more shallow river course, and applied widely, tune flexibly, safety, carrying capacity is strong.
This technology has been finished city inland river channel cleanout construction, digs, transports, unloads the Trinitarian activities of operation.In whole process, guaranteed city normal production and living environment; The river course shipping is unobstructed all the time; The existing shore protection form of protection is not destroyed; Desilting equipment is walked in water, moves flexibly, and the desilting digging process is little to Shang Shui, following water and the influence of peripheral facility; Not only a large amount of earth and foreign material can be removed, bigger building waste can also be removed; River levee off coast side existing road is not caused traffic jam and road surface secondary pollution; In addition, storage mud place can in a planned way be selected, and a large amount of mud can effectively utilize.
Description of drawings
Fig. 1 is a kind of city inland river channel cleanout construction technology process chart of the present invention.
The specific embodiment
Now inland river, the metropolis channel cleanout construction with a population about 8,000,000 is that example is carried out detailed narration to the present invention.
According to this city be a metropolis, have a large population, the inland river wears the characteristics that the city is crossed.Formulated detailed construction technology: the technology process flow chart is seen Fig. 1.
(1) desilting under water, the excavation shipment:
Equipment: floating vessel type buoyancy tank, hydraulic grab, excavator.
Operation: with floating vessel type buoyancy tank, hydraulic grab, excavator three complete equipments, assembled on site becomes the floating vessel type hydraulic grab machine in the desilting river course; These facility have the two-way guide pile of regulating, and have the conciliation navigation system of one's own.The on-the-spot excavation desilting in the river course; With mud by the hydraulic grab machine half storehouse formula hopper ship of packing into.
Describe in detail: the floating vessel type hydraulic grab machine is by having enough supporting capacitys, resistance to capsizing and the grab bucket of desilting digging process to the vertical pressure of hull generation and the pontoon of lateral thrust; And Xiao Song-5-200 excavator; Navigation system voluntarily in two-way (vertical, level) water is totally-enclosedly easily grabbed the two-sided grab bucket of clean hydraulic pressure and is combined.Be fixed in the pontoon safety groove after Xiao Song-5-200 excavator removed the crawler belt transmission system, change transmission system into pontoon guide pile control system.Remove excavator grab bucket, change into and totally-enclosedly easily grab the two-sided grab bucket of clean hydraulic pressure and finish dredging operation.Therefore, detachable, the combination of this floating vessel type hydraulic grab machine is not subjected to that bridge height and bridge opening width limit on the river course.
Pontoon is as the carrier of hydraulic grab machine, moves on a large scale by sitting port tugboat traction, and operation is moved among a small circle, can walk voluntarily as power by 17 horsepower diesel motors, also can about adjust the position.This pontoon is combined by main buoyancy tank, secondary buoyancy tank, the key dimension parameter: main length of buoyancy tank 15m, and wide 3.5m, the long 12.5m of secondary buoyancy tank monomer, wide 1.5m, combination back length overall 15m, wide 6.5m, the deck is to the high 1.1m of hull bottom, and the following degree of depth of water line is 0.9m.Its stability meets the demands.
The two-way guide pile of regulating: have the conciliation navigation system of one's own, reserve pedestal by major and minor buoyancy tank tail end and fix with high-strength bolt.It is regulated navigation system and comprises: 1) the level adjusting device of falling, 2) the vertical lift adjusting device, 3) lifting fixed cover card, 4) heavy i iron guide pile forms.Two-way basic function of regulating guide pile is: after the floating vessel type hydraulic grab machine is adjusted appointment desilting excavation position, carry out the pontoon location by navigation system, guide pile is pressed into river bed 2～3m and positions, and prevents in the digging process that pontoon topples and resists the scrambling problem that lateral thrust causes excavated section.
The two-way location of regulating is meant vertical and the level adjusting.In the floating vessel type hydraulic grab machine desilting process, need frequent shift position, when an excavation work in the radius finish after, need transfer to operation in the next desilting scope, need finish a perpendicular positioning process by the adjustment of adjustment hole on the guide pile and lifting positioning sleeve card.When running into river course bridge limit for height in the transfer process, open guide pile lifting fixed cover card, mention guide pile by pressure system, jump after the direction level fell along pontoon by the level device that fell again, traction enters next regional construction operation by finishing the transfer process of a special link condition under the bridge.
(2) water route transportation:
Equipment: half storehouse formula hopper ship, tugboat.
Operation: will fill several half storehouse formula hopper ships of mud, the queuing marshalling; By the tugboat traction, the road is hauled and is specified the dump place along the river.
Describe in detail: 20m half cabin formula barge is interior river transport mud with half hatch barge, and drive is not established the manpower rudder behind the ship.This boat-carrying weight is 80t, navigates by water in the less river course of draft, and the scope of application is wide, vessel designs is reasonable, and the marshalling tune is flexible, safe and reliable, carrying capacity is strong, and is pollution-free.Major parameter: water line length 19.89m, beam overall 4.90m, molded breadth 4.70m, moldeed depth 1.40m, designed draft degree of depth 1.2m establishes crewman 3 people on the ship.
(3) unload a ship, store:
Equipment: totally-enclosed clean two-sided hydraulic grab machine, the tipping lorry of easily grabbing of walking.
Operation: easily grab clean two-sided hydraulic grab and unload mud in second storehouse formula hopper ship by totally-enclosed, pour tipping lorry into; Being transported to assigned address by tipping lorry again stores.
Describe in detail: totally-enclosedly easily grab clean two-sided hydraulic grab and adopt 16 manganese steel material manufacturings, be connected as power with excavator hydraulic system with hydraulic cylinder, its major parameter is: the high 0.8m of two-sided hydraulic grab, wide 1.3～the 1.5m that struggles against, the thick 20mm of strickle, hydraulic cylinder connects brachium 1500mm * 250mm, gross weight 450kg, maximum opens angle 180 degree, and closed back becomes circular-arc, and bucket capacity amasss 0.8～1.5m
3Hydraulic cylinder travel 60cm, hydraulic oil pipe is connected with hydraulic system with the big arm of hydraulic cylinder linking arm and excavator, starts the back by the excavator Operational System Control, makes the two-sided grab bucket opening and closing of hydraulic pressure finish to grab and unloads operation.This equipment is light, totally-enclosed, and the desilting digging process is to the not disturbance of bed-silt soil property, lifting process leakage pollution water quality not in the water, both can be used for the boats and ships dump entrucking of floating, can be used in the water desilting again and grab mud, environment protecting is good, on average per hour the excavation dress hopper or the entrucking 60m that unloads a ship
3, the efficiency of construction height.
(4) clean ship returns and sails desilting site:
Equipment: half storehouse formula hopper ship, tugboat.
Operation: the sky half storehouse formula hopper ship after will unloading a ship, queuing marshalling; By the tugboat traction, the channel cleanout scene is hauled go back in the road along the river.
Above-mentioned technology is implemented in this inland river, city desilting engineering, can accomplish and dig, transports, unloads the operation Trinity.It is the construction technology of a kind of environment-friendly type, reciprocation cycle.This construction, under the execution conditions of geographical environment complexity, has stronger adaptive capacity, load the marshalling transportation onto ship from the desilting excavation, be transported to the spoil disposal field from the entrucking of unloading a ship and store each link combination, Dredging Construction quality, environmental requirement, construction safety, construction speed, cost control etc. have all been received and significant effect have been reached intended purposes.According to statistics: excavation unit desilting amount was at 1500m in comprehensive day
3About.Directly entrucking outward transport of the mud foreign material that this technology goes out clearly, its water content is about 58%～70% after tested, 2,800,000 m
3Mud is built the occupation of land of spoil disposal field and is only used 1500 mu.
Social benefit is obvious: as multi-functional city rivers such as flood passage, retaining, navigation, views, after desilting and dredging, the flood passage standard improves greatly, and 2000 tonnes of cargo ships and large-scale pleasure-boat can be opened the navigation or air flight smoothly.After the desilting, river water quality: indexes such as pH value, permanganate index, ammonia nitrogen, arsenic, copper, suspension improve greatly, as living water use retaining river course, guarantee for the relieved water source of safety of citizen.
Therefore say that technology of the present invention is particularly suitable for city inland river channel cleanout construction, compared with prior art, has outstanding substantive distinguishing features.Conceive identical various technical schemes with the present invention, all within claim protection domain of the present invention.
Claims (1)
1. city inland river channel cleanout construction technology is characterized in that this technology may further comprise the steps:
(1) desilting under water, the excavation shipment:
Equipment: floating vessel type buoyancy tank, hydraulic grab, excavator;
Operation: with floating vessel type buoyancy tank, hydraulic grab, excavator three equipment, assembled on site becomes the floating vessel type hydraulic grab machine in the desilting river course; But these facility have the bidirectional modulation guide pile, have the conciliation navigation system of one's own; The on-the-spot excavation desilting in the river course; With mud by the hydraulic grab machine half storehouse formula hopper ship of packing into;
(2) water route transportation:
Equipment: half storehouse formula hopper ship, tugboat.
Operation: will fill several half storehouse formula hopper ships of mud, the queuing marshalling; By the tugboat traction, the road is hauled and is specified the dump place along the river;
(3) unload a ship, store:
Equipment: totally-enclosed clean two-sided hydraulic grab machine, the automatic dump truck of easily grabbing of walking;
Operation: easily grab clean two-sided hydraulic grab machine and unload mud in second storehouse formula hopper ship, the tipping lorry of packing into by walking is totally-enclosed; Being transported to assigned address by automatic dump truck again stores;
(4) clean ship returns and sails desilting site:
Equipment: half storehouse formula hopper ship, tugboat;
Operation: the sky half storehouse formula hopper ship after will unloading a ship, queuing marshalling; By the tugboat traction, the channel cleanout scene is hauled go back in the road along the river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510002181 CN1632244A (en) | 2005-01-18 | 2005-01-18 | City internal river watercourse desilting construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510002181 CN1632244A (en) | 2005-01-18 | 2005-01-18 | City internal river watercourse desilting construction process |
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| Publication Number | Publication Date |
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| CN1632244A true CN1632244A (en) | 2005-06-29 |
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| CN 200510002181 Pending CN1632244A (en) | 2005-01-18 | 2005-01-18 | City internal river watercourse desilting construction process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975627A (en) * | 2014-04-03 | 2015-10-14 | 中交烟台环保疏浚有限公司 | Mud dredging process of grab dredger |
| CN108086382A (en) * | 2016-11-22 | 2018-05-29 | 中洁惠能科技（北京）有限公司 | A kind of environment-protective desilting construction technology and system |
| CN109629517A (en) * | 2018-11-28 | 2019-04-16 | 上海港湾基础建设（集团）股份有限公司 | A kind of method in reclaiming land around sea domain |
-
2005
- 2005-01-18 CN CN 200510002181 patent/CN1632244A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975627A (en) * | 2014-04-03 | 2015-10-14 | 中交烟台环保疏浚有限公司 | Mud dredging process of grab dredger |
| CN104975627B (en) * | 2014-04-03 | 2018-02-16 | 中交烟台环保疏浚有限公司 | The technique of dredging of Grab |
| CN108086382A (en) * | 2016-11-22 | 2018-05-29 | 中洁惠能科技（北京）有限公司 | A kind of environment-protective desilting construction technology and system |
| CN109629517A (en) * | 2018-11-28 | 2019-04-16 | 上海港湾基础建设（集团）股份有限公司 | A kind of method in reclaiming land around sea domain |
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