CN213643394U - River and lake environment-friendly dredging and curing system - Google Patents

Abstract

The utility model discloses an environment-friendly dredging and solidifying system for rivers and lakes, which comprises a cutter suction boat, a sedimentation tank, a conditioning tank, an aeration stirring tank and a slurry dewatering and solidifying system; the cutter suction boat is communicated with the sedimentation tank, and sludge at the bottom of a river or lake is twisted into slurry by the cutter suction boat and conveyed to the sedimentation tank; the sedimentation tank is used for naturally sedimentating mud; the conditioning tank is communicated with the sedimentation tank, and the aeration stirring tank is communicated with the conditioning tank; the slurry dehydration and solidification system is connected with the aeration stirring tank to carry out dehydration and solidification treatment on the slurry conveyed by the aeration stirring tank. The utility model discloses the system can improve desilting solidification efficiency of construction and save construction cost.

Description

River and lake environment-friendly dredging and curing system

Technical Field

The utility model relates to a silt processing system field. More specifically, the utility model relates to a river lake environmental protection desilting solidification system.

Background

At present, the process of removing sludge at the bottom of rivers and lakes by adopting a cutter suction dredger and the like in combination with sludge dewatering equipment is mature, but still has some defects: because only the cutter suction boat is used for cutter suction and no treatment is carried out on the slurry, when subsequent slurry enters the plate-and-frame filter press, the damage rate of filter cloth of dewatering equipment such as the plate-and-frame filter press is high due to overlarge particle size of part of solid particles.

SUMMERY OF THE UTILITY MODEL

In order to achieve these objects and other advantages in accordance with the present invention, there is provided an environment-friendly dredging and solidifying system for rivers and lakes, comprising a cutter suction vessel, a sedimentation tank, a conditioning tank, an aeration stirring tank and a slurry dewatering and solidifying system;

the cutter suction boat is communicated with the sedimentation tank, and sludge at the bottom of a river or lake is twisted into slurry by the cutter suction boat and conveyed to the sedimentation tank; the sedimentation tank is used for naturally sedimentating mud;

the conditioning tank is communicated with the sedimentation tank, and the aeration stirring tank is communicated with the conditioning tank;

the slurry dehydration and solidification system is connected with the aeration stirring tank to carry out dehydration and solidification treatment on the slurry conveyed by the aeration stirring tank.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, still include mud cake transfer system and mud cake yard, mud cake transfer system will via mud cake that mud dehydration solidification system carried over is transported to mud cake yard.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, still include mud filtration system, it including be located the cutter suction ship with one-level filtration system between the sedimentation tank with second grade filtration system between the recuperation pond with tertiary filtration system between the aeration stirring pond with level four filtration system between the mud dehydration solidification system.

According to a preferred embodiment of the utility model, the river and lake environment-friendly dredging and solidifying system is composed of an air compressor, a plate-and-frame filter press and a support frame; the air compressor presses compressed air into the plate-and-frame filter press and presses the compressed air into mud cakes with the water content meeting the requirements; the support frame is used for supporting the plate and frame filter press, just the support frame below is equipped with accommodation space, as the space of mud cake play department and transportation mud cake.

According to a preferred embodiment of the utility model, the mud cake transfer system of the river and lake environment-friendly dredging and solidifying system comprises a small trailer, a weighing sensor, a control device and an alarm device, wherein the small trailer is arranged below the outlet of the plate-and-frame filter press and used for collecting mud cakes; the weighing sensor is embedded under the ground below the small trailer; the control device is connected to the weighing sensor and the alarm device.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, one-level filtration system second grade filtration system tertiary filtration system level filtration system all places the pond including placing, and the filter is placed to its inner slope, the filter covers place the delivery port in pond.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, stretch out the upper end of filter place the pond, just the setting can be dismantled to the filter.

The utility model discloses at least, include following beneficial effect:

(1) reliability: the utility model provides a four rank mud filtration systems can effectively reduce dewatering equipment's filter cloth spoilage.

(2) The application range is wide: the utility model discloses when carrying out environmental protection desilting, solidification to river course, lake etc, all have better suitability.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an environment-friendly dredging and solidifying system for rivers and lakes in an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a point a in fig. 1.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1-2, the environment-friendly dredging and solidifying system for rivers and lakes of the present invention comprises a cutter suction boat 1, a sedimentation tank 2, a conditioning tank 3, an aeration stirring tank 4 and a slurry dewatering and solidifying system 5;

the cutter suction dredger 1 is communicated with the sedimentation tank 2 through a pipeline, sludge at the bottom of a river or lake is twisted into slurry by the cutter suction dredger 1, and the slurry is conveyed to the sedimentation tank 2; the sedimentation tank 2 is used for naturally sedimentating mud;

the conditioning tank 3 is communicated with the sedimentation tank 2 through a pipeline, and the aeration stirring tank 4 is communicated with the conditioning tank 3;

the slurry dewatering and solidifying system 5 is connected to the aeration stirring tank 4 to dewater and solidify the slurry conveyed through the aeration stirring tank 4.

The mud filtering system comprises a first-stage filtering system 710 positioned between the cutter suction dredger 1 and the sedimentation tank 2, a second-stage filtering system 720 positioned between the sedimentation tank 2 and the conditioning tank 3, a third-stage filtering system 730 positioned between the conditioning tank 3 and the aeration stirring tank 4, and a fourth-stage filtering system 740 positioned between the aeration stirring tank 4 and the mud dewatering and solidifying system 5.

A mud cake transfer system and a mud cake stacking yard 9, wherein the mud cake transfer system transfers the mud cakes conveyed by the mud dewatering and curing system 5 to the mud cake stacking yard.

In the above embodiment, the cutter-suction dredger 1 cuts the sludge and water into a sludge-water mixture, conveys the sludge-water mixture to the primary filtering system 710 through a pipeline, and enters the sedimentation tank 2 after filtering to perform sufficient natural sedimentation; then the slurry after natural precipitation is conveyed to a secondary filtering system 720, and enters a conditioning pool 3 after being filtered, and chemical agents such as a strengthening agent, a dehydrator and the like are conditioned; conveying the conditioned slurry to a third-stage filtering system 730, filtering, and then entering an aeration stirring tank 4 to uniformly stir the slurry for full reaction; the slurry which is fully reacted is conveyed to a four-stage filtering system 740, and enters a slurry dewatering and curing system 5 after being filtered, and the slurry is dewatered and cured into a mud cake with the water content meeting the requirement;

according to a preferred embodiment of the present invention, the slurry dewatering and solidifying system 5 of the river and lake environment-friendly desilting and solidifying system is composed of an air compressor 510, a plate-and-frame filter press 520 and a supporting frame 530; the air compressor 510 presses compressed air into the plate-and-frame filter press 520, and presses the compressed air into mud cakes with water content meeting the requirements; the support frame 530 serves as a base of the plate-and-frame filter press 520, and the lower part of the support frame is emptied to serve as a space for discharging and transferring mud cakes.

According to a preferred embodiment of the present invention, the mud cake transferring system of the river and lake environmental-friendly dredging and solidifying system comprises a small trailer 610, a weighing sensor 620, a control device and an alarm device, wherein the small trailer 610 is placed below the outlet of the plate-and-frame filter press for collecting mud cakes; the weighing sensor 620 is pre-embedded under the ground below the small trailer 610 and is used for measuring the weight of the small trailer after being filled with mud cakes; the control device is connected to the weighing sensor 620 and the alarm device, and if the detected weight of the weighing sensor 620 reaches a preset value, the control device controls the alarm device to give an alarm sound. The mud cake falls into little trailer 610 and collects, waits that weighing sensor 620 monitors the mud cake and collects and predetermines weight after, controlgear control alarm equipment sends mud cake transfer signal or sound etc. reminds the manual work to utilize little trailer 610 to transport the mud cake extremely the storage of mud cake piling bin 9 is air-dried, follow-up reprocessing utilization.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system to curing agent and dehydrating agent are dropped into in the conditioning pond 3.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, one-level filtration system 710 second grade filtration system 720 tertiary filtration system 730 level filtration system 740 all places the pond including placing, and filter 8 is placed to the slope in it, filter 8 covers place the delivery port in pond.

According to the utility model discloses a preferred embodiment, river lake environmental protection desilting solidification system, stretch out the upper end of filter 8 place the pond, just the setting can be dismantled to filter 8, works as filter 8 consider after the hole is blockked up by rubbish, can with filter 8 is dismantled and is taken out and wash or change.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. An environment-friendly dredging and curing system for rivers and lakes is characterized by comprising a cutter suction boat, a sedimentation tank, a conditioning tank, an aeration stirring tank and a slurry dewatering and curing system; the cutter suction boat is communicated with the sedimentation tank, and sludge at the bottom of a river or lake is twisted into slurry by the cutter suction boat and conveyed to the sedimentation tank; the sedimentation tank is used for naturally sedimentating mud; the conditioning tank is communicated with the sedimentation tank, and the aeration stirring tank is communicated with the conditioning tank; the slurry dewatering and solidifying system is connected with the aeration stirring tank to dewater and solidify the slurry conveyed by the aeration stirring tank; the sludge dewatering and solidifying device is characterized by further comprising a sludge filtering system, wherein the sludge filtering system comprises a first-stage filtering system positioned between the cutter suction dredger and the sedimentation tank, a second-stage filtering system positioned between the sedimentation tank and the conditioning tank, a third-stage filtering system positioned between the conditioning tank and the aeration stirring tank, and a fourth-stage filtering system positioned between the aeration stirring tank and the sludge dewatering and solidifying system.

2. The environment-friendly river and lake dredging and curing system as claimed in claim 1, further comprising a mud cake transfer system and a mud cake yard, wherein the mud cake transfer system transfers the mud cake conveyed by the mud dewatering and curing system to the mud cake yard.

3. The river and lake environment-friendly dredging and curing system as claimed in claim 2, wherein the slurry dewatering and curing system is composed of an air compressor, a plate-and-frame filter press and a support frame; the air compressor presses compressed air into the plate-and-frame filter press and presses the compressed air into mud cakes with the water content meeting the requirements; the support frame is used for supporting the plate and frame filter press, just the support frame below is equipped with accommodation space, as the space of mud cake play department and transportation mud cake.

4. The environment-friendly river and lake dredging and curing system as claimed in claim 3, wherein the mud cake transfer system comprises a small trailer, a weighing sensor, a control device and an alarm device, the small trailer is placed below the outlet of the plate-and-frame filter press and used for collecting mud cakes; the weighing sensor is embedded under the ground below the small trailer; the control device is connected to the weighing sensor and the alarm device.

5. The environment-friendly river and lake dredging and solidifying system of claim 1, wherein the primary filtering system, the secondary filtering system, the tertiary filtering system and the quaternary filtering system comprise a placing tank, a filter plate is obliquely placed in the placing tank, and the filter plate covers a water outlet of the placing tank.

6. An environment-friendly river and lake dredging and solidifying system according to claim 5, wherein the upper end of the filter plate extends out of the placing tank, and the filter plate is detachably arranged.

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