WO2018032832A1

WO2018032832A1 - Waste sorting and regeneration system for treatment of polluted sediment in river, lake, or estuary

Info

Publication number: WO2018032832A1
Application number: PCT/CN2017/084964
Authority: WO
Inventors: 禹芝文; 翟德勤; 陈士强; 龙章鸿; 梁岗伟; 刘增祥
Original assignee: 中电建水环境治理技术有限公司
Priority date: 2016-08-16
Filing date: 2017-05-18
Publication date: 2018-02-22
Also published as: CN106316020A; CN106316020B

Abstract

A waste sorting and regeneration system for treatment of polluted sediment in a river, lake, or estuary, comprising: waste preliminary sorting equipment (20), dredge removing and sorting equipment (30), and waste sorting equipment (40). The waste preliminary sorting equipment (20) is connected to a sludge transport pipe (10) transporting polluted sediment and used for preliminary separation of large-particle waste in the polluted sediment so as to acquire large-particle waste and preliminarily sorted sludge. The dredge removing and sorting equipment (30) is connected to an output end of the waste preliminary sorting equipment (20) and used for sorting small-particle waste in the preliminarily sorted sludge. The waste sorting equipment (40) separates and screens the large-particle waste and the small-particle waste so as to acquire recyclable waste.

Description

Title: Name of the invention: Wastewater separation and regeneration system for river and lake pollution sedimentation

[0001] The invention belongs to the technical field of water environment treatment, and in particular relates to a garbage sorting and regeneration system for polluting sediments of rivers and lakes.

Background technique

[0002] The river is a kind of open water, generally characterized by narrow water surface, long process, and tidal characteristics of coastal and offshore rivers. The lake is a relatively closed water area with wide water surface, shallow water and water flow. The characteristics of slow speed and slow water exchange are generally affected by seasonal rain. With the rapid development of the social economy, the urban population has increased sharply, and the amount of sewage discharged into urban rivers and lakes has increased greatly. Rivers and lakes have become a gathering place for various pollutants, causing serious pollution of water bodies and deteriorating water environment. The water quality has become black and stinky, and the living environment of fish and shrimp has deteriorated drastically or cannot survive. The bottom sediment of the river and lake bed is polluted by the long-term erosion of the contaminated water body, and the sedimentation of the sediment is formed for many years, which is an intrinsic pollution source that affects the quality of the water environment.

[0003] In the process of river water and lake water treatment, the sediment sludge contains a large amount of garbage, such as construction waste, domestic garbage, large particles of rainwater, gravel, gravel and sediment mixture. The existing treatment method is to directly dehydrate and solidify the contaminated sediments, which on the one hand increases the amount of dehydration and solidification. On the other hand, the sediment after dewatering and solidification still contains a large amount of pollutants, which cannot be used for resources. And need to occupy a lot of landfill space.

[0004] Therefore, how to realize waste sorting in the treatment of contaminated sediment to realize resource regeneration and utilization has become a technical problem to be solved in the industry.

technical problem

[0005] The object of the present invention is to provide a garbage sorting and regenerating system for polluting sediments in rivers and lakes, aiming at solving the technical problem of how to realize waste sorting in the treatment of contaminated sediments to realize resource regeneration and utilization.

Problem solution

Technical solution [0006] The present invention is implemented as follows, a river and lake rushing sediment treatment waste sorting regeneration system, comprising: [0007] a garbage primary selection device connected to a sewage pipe conveying contaminated sediment and used for Preliminary separation of large granular waste in contaminated sediment to obtain preliminary sorting sediment;

[0008] a dividing device, connected to an output of the garbage primary device and used for sorting small particle waste in the preliminary sorting sediment;

[0009] A garbage sorting device is configured to separate and screen construction waste and organic waste according to self-weight of the contaminated sediment to obtain recyclable light domestic garbage and organic waste.

[0010] Further, the garbage primary selection device includes a conveying pipe that communicates with the mud pipe, a rock stone box that communicates with the conveying pipe to collect the large-grained garbage, the stone sink box and the defrosting box The sorting device is disposed along the flow direction of the contaminated sediment.

[0011] Further, the garbage primary selection device further includes a first flat valve and a second flat valve disposed in the conveying pipe along the flow direction of the contaminated sludge and located in front of and behind the stone sink box, and The conveying pipe and the stone box connection port are arranged to slide the large particle garbage to the swash plate grid in the stone box.

[0012] Further, the garbage primary selection device further includes a flat grid disposed at the entrance of the stone box, a flat plate disposed in the sinkstone box and located between the flat grill and the garbage outlet. a gate and an opening and closing mechanism disposed at the wastegate of the sinkstone box, the flat gate dividing the inner space of the stone box into an upper box and a lower box.

[0013] Further, the garbage primary selection device further includes a sink stone dump truck for transporting the large granular waste in the sinkstone tank to the garbage aggregate workshop.

[0014] Further, the number of the conveying pipes is two, and the inner angle of the two conveying pipes at the communication pipe connecting portion is 60°.

[0015] Further, the dividing and sorting device includes a horizontal pipe connected to the ends of the two conveying pipes, a grill machine communicating with the horizontal pipe and used for sorting out small particle garbage, and being disposed in the grid The grid waste outlet is used to collect the garbage hopper of the small particle waste, and the grill machine is further provided with a sediment outlet for guiding the sediment.

[0016] Further, the dividing and sorting device further includes a first recoil plate and a second recoil disposed at both ends of the horizontal pipe and adjacent to one side of each of the conveying pipes for guiding board. [0017] Further, the dividing and sorting device further includes an energy dissipating structure disposed at the inlet of the grill machine and used for buffering the shunt.

[0018] Further, the river lake urgency sewage sediment disposal garbage sorting regeneration system further comprises an odor collection that connects the end of the sewage pipe to collect the malodorous gas diffused during the mining and transportation of the contaminated sediment. And processing device.

Advantageous effects of the invention

Beneficial effect

[0019] The technical effect of the present invention relative to the prior art is: The river lake rushing sediment sludge treatment waste sorting regeneration system is configured to dispose large granules by the garbage primary arranging device connected to the sump pipe Sorting from the contaminated sediment, sorting the small granular waste in the preliminary sorted sediment by the dividing and sorting device, and obtaining a sediment mixture, using the garbage sorting device to The polluted sediment is sorted out of light domestic garbage and organic waste that can be recycled, and the organic matter such as light domestic garbage and organic waste and domestic waste with high calorific value are used for catalytic gas production and power generation. Recycling of resources, and preliminary separation of the contaminated sediment by using the garbage primary selection device, removing the small particle waste from the preliminary sorting device, and screening the garbage sorting device Recycling of light domestic garbage and organic waste, the reduction of the contaminated sediment is realized to reduce the amount of subsequent disposal, and the garbage in the contaminated sediment is realized. Recyclable.

Brief description of the drawing

DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments of the present invention or the description of the prior art will be briefly described below. Obviously, the drawings described below are merely Some embodiments of the present invention may also be used to obtain other drawings based on these drawings without departing from the prior art.

1 is a general framework diagram of a garbage sorting regeneration system for treating river sediments in a river;

[0022] FIG. 2 is a schematic structural view of the garbage sorting regeneration system of the river and lake sediments in FIG.

3 is a side view showing the structure of the garbage sorting regeneration system of the river and lake sediments in FIG. 2 .

DESCRIPTION OF REFERENCE NUMERALS: [] [Table i]

Embodiments of the invention

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical" The orientation or positional relationship of the indications of "straight", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, for convenience of description of the present invention and simplification. It is to be understood that the invention is not to be construed as a limitation

In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless specifically defined otherwise.

[0028] In the present invention, the terms "installation", "connected", "connected", "fixed" and the like should be understood broadly, and may be, for example, a fixed connection or a Removable connection, or integrated; can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements. The meaning of the above terms in the present invention can be understood by those skilled in the art on a case-by-case basis.

[0029] In order to make the objects, technical solutions and advantages of the present invention more clear, the following is in conjunction with the accompanying drawings and embodiments.

The present invention will be further described in detail.

[0030] Referring to FIG. 1 to FIG. 3, the garbage sorting and regeneration system for treating rivers and lakes in the river and the lake includes:

[0031] The garbage primary selection device 20 is connected to the sewage pipe 10 for conveying the contaminated sediment and is used for preliminary separation of the large particle waste in the contaminated sediment to obtain large particle waste and preliminary sorting sediment;

[0032] a dividing and sorting device 30 is connected to the output of the garbage primary device 20 and used for sorting small particle waste in the preliminary sorting sediment;

[0033] The garbage sorting device 40 is configured to separate and screen the contaminated sediment according to its own weight for building waste and organic waste to obtain recyclable light domestic garbage and organic waste.

[0034] The river lake rushing sludge treatment waste sorting regeneration system provided by the embodiment of the present invention passes the garbage primary selection device 20 connected to the mud pipe 10 to remove large particle waste from the pollution bottom. In the sludge sorting process, the small particle waste in the preliminary sorted sediment is sorted by the dividing and sorting device 30 to obtain a sediment mixture, and the contaminated sediment is used by the garbage sorting device 40. Sorting out light domestic waste and organic waste that can be recycled, and sorting out organic matter such as light domestic garbage and organic waste and domestic waste with high calorific value for catalytic gas generation and power generation, and realizing resource regeneration. Use, and The waste sediment is initially separated by the garbage primary selection device 20, the fine separation device 30 is used to remove small particle waste from the preliminary sorting device, and the waste sorting device 40 is screened for recyclable use. Light domestic garbage and organic waste have realized the reduction treatment of the contaminated sediment to reduce the amount of subsequent disposal, and the recycling of waste in the contaminated sediment has been realized.

[0035] In this embodiment, the garbage sorting device 40 is used to achieve separation and screening of high-burning living, organic waste. Preferably, the garbage sorting device includes a sorting drum (not shown) through which the garbage passes and a blower (not shown) disposed in the sorting drum, and the high-speed airflow provided by the blower is used to achieve the combustion High-value living, organic waste sorting, bricks, blocks, concrete blocks and other construction waste, as well as inorganic waste such as gravel and boulders, generally have larger particle sizes, heavier weight, and plastic bags, roots, etc. The higher the value of the garbage is generally lighter, the mixed garbage is sent to the middle of the garbage sorting drum through the conveyor belt, and the high-speed wind generating air is sent upward at the bottom of the sorting drum, and the high-value, light organic waste is carried by the high-speed airflow. Wrapped through the collecting port at the top of the sorting drum, heavy building waste such as miscellaneous stones fall into the collecting port at the bottom of the sorting drum, thereby realizing the sorting of construction garbage and domestic garbage, which is high value and light weight. Domestic garbage and organic waste provide conditions for resource utilization such as waste catalytic gas production.

[0036] In this embodiment, the object sorted by the garbage sorting device 40 is the large-sized garbage sorted by the garbage primary selecting device 20 and the small particles sorted by the dividing and sorting device 30. Rubbish.

[0037] In this embodiment, the large particle waste must satisfy one of the following: a particle diameter of 5 cm or more and a specific gravity of 1.5 or more, for example, the large particle garbage includes a block stone, a gravel, and a coarse particle. Etc., the stone includes bricks, blocks, concrete blocks and other construction waste as well as boulders, etc., and the coarse particles are called light plastic bags, roots, etc., not limited to this.

[0038] In this embodiment, the small particle waste refers to some fine particles, shells, sundries, and the like, but is not limited thereto.

[0039] In this embodiment, the polluted sediment and the floating waste in the polluted water body of the river and the lake are transported by the dredger and the dredging pipe 10 to the bottom mud treatment plant, and then enter the river provided by the embodiment of the present invention. The lake is polluted by the sediment sludge treatment and separation system to separate and screen the garbage, and the classified and screened sediment mixture is sent to the sedimentation device 60 for sediment treatment, and the sorted garbage is classified. Recycling waste for waste gas catalytic or power generation and other miscellaneous waste for landfill disposal

[0040] Referring to FIG. 1 to FIG. 3, further, the garbage primary selection device 20 includes a connection connecting the sewage pipe 10 The delivery pipe 22, the stone box 24 that communicates with the conveying pipe 22 to collect the large-grained garbage, and the stone box 24 and the dividing and sorting device 30 are disposed along the flow direction of the contaminated sludge. By setting the stone box 24 to separate the large particle waste in the contaminated sediment, the reduction treatment of the contaminated sediment is realized, and the preliminary sorting of the coarse waste is realized.

[0041] In this embodiment, along the flow direction of the contaminated sediment, the stone box 24 is disposed below the conveying pipe 22 and located upstream of the dividing device 30, using the large The self-weight of the granular waste falls into the sett stone box 24 along the conveying pipe 22 to realize preliminary sorting of the contaminated sediment.

[0042] Referring to FIG. 2 to FIG. 3, the garbage primary selection device 20 further includes a first portion disposed in the conveying conduit 22 along the flow direction of the contaminated sediment and located before and after the stone box 24 A flat plate valve 25 and a second flat plate valve 26 are disposed at the connection port of the conveying pipe 22 and the sinker box 24 to slide the large-grained garbage toward the swash plate grill 27 in the stone box 24. By setting the first flat plate valve 25 and the second flat plate valve 26 to respectively achieve the opening and closing of the sink stone box 24 and the defoliation sorting device 30, when the stone box 24 is blocked or needs After the inspection, the first flat valve 25 is closed; when the clogging device 30 has a blockage or needs to be repaired, the first flat valve 25 and/or the second flat valve 26 are closed. And the swash plate grid 27 is disposed in the stone slab 24 to slide the slab grille 27 into the stone slab 24 to play a certain guiding role. Between the first flat valve 25 and the second flat valve 26, and near the garbage entrance of the stone box 24.

[0043] In this embodiment, the swash plate grid 27 is disposed obliquely along the axial direction of the conveying pipe 22, and is disposed at an edge of the garbage inlet of the stone box 24 and adjacent to the second plate. Valve 26 - side. Preferably, the swash plate grid 27 is inclined at an angle of 45° to the axis of the conveying pipe 22, that is, inclined along the garbage inlet toward the side of the second plate and at an angle to the axis of the conveying pipe 22 45°.

[0044] In this embodiment, the spacing of the swash plate grids 27 is 5 cm, so as to block large particles of garbage in the contaminated sediment, so that large particles of garbage enter the stone box 24, Small particles of garbage pass through the swash plate grid 27 along the conveying pipe 22 into the dividing and sorting device 30 for sorting. The garbage primary selection device further includes a flat grille disposed at the entrance of the sinkstone box, a flat shutter disposed in the sinkstone box and located between the flat grille and the garbage outlet, and disposed on the An opening and closing mechanism at the exit of the sinkstone box, the flat gate divides the internal space of the sinkstone box into an upper box and a lower Box.

[0045] Please refer to FIG. 1 to FIG. 3, further, the garbage primary selection device 20 further includes a flat grid 23 disposed at the entrance of the stone box 24, disposed in the stone box 24 and located at the a flat shutter 28 between the flat grill 23 and the garbage outlet, and an opening and closing mechanism 244 disposed at the waste outlet of the sinkstone box 24, the flat grill 23 dividing the internal space of the sett stone box 24 It is the upper case 240 and the lower case 242. Providing the flat grid 23 at a garbage inlet of the stone box 24 to screen large-sized garbage conveyed by the conveying pipe 22; setting the flat shutter 28 to set the sink The inner space of the stone box 24 is divided into the upper tank 240 and the lower tank 242 so that the large granular waste can pass through the flat grill and enter the support under the support of the flat shutter 28 In the upper casing 240, the slab gate 28 is smashed, and the large particles enter the lower casing 242 along the gate of the slab gate 28, and the hoisting mechanism 244 is provided to automatically snoring. And closing the garbage outlet and periodically discharging the garbage to the garbage outlet. Using the 吋, when the garbage storage in the upper tank 240 reaches a preset value 吋, the slab gate 28 is activated to communicate the upper casing 240 and the lower casing 242, and the upper casing 240 is The garbage inside is located in the lower casing 242; after the garbage in the upper casing 240 is completely poured out, the slab gate 28 is closed to divide the upper casing 240 and the lower casing 242 until the After the garbage storage in the box 240 reaches a preset value 吋, the slab gate 28 is activated again; when the garbage received by the lower box 242 reaches a preset value 启动, the opening and closing mechanism 242 is activated to initiate the At the garbage outlet, the garbage is completely dumped at the stone box 24, and after the pouring is completed, the opening and closing mechanism 242 is closed. This reciprocating cycle allows the recycling of waste dumping.

[0046] In this embodiment, the swash plate grid 27 and the flat grid 23 are made of high-strength manganese steel, and are cut into a side facing the coarse garbage to realize garbage bags and roots. The cutting of the flexible waste reduces the clogging of the swash plate grill 27 or the flat grill 23.

[0047] In this embodiment, the spacing of the flat grids 23 is set to be twice the spacing of the debris grid provided at the bottom suction port of the dredger reamer system to meet the conveying pipe. 10 and the large particles in the conveying pipe 22 can all smoothly pass through the flat grill 23 into the lower casing 242 of the settress 24.

[0048] Referring to FIG. 1 to FIG. 3, further, the garbage primary selection device 20 further includes a sink stone hopper for transporting the large granular waste in the stone box 24 to a garbage collection workshop. Car 29. By arranging the settlement truck 29 to transport large-sized garbage collected in the stone box 24 to the garbage collection vehicle In the meantime, prepare for the follow-up process.

[0049] In this embodiment, the stone box 24 has a double-layer design, and the upper tank 240 of the upper layer is connected to the flat grill 23 at the bottom of the conveying pipe 22 through a flared chute, and the bottom of the lower casing 242 is disposed. The double brake bottom plate is hydraulically braked, and the flat shutter 28 is disposed between the upper case 240 and the lower case 242. Working 吋, large-sized garbage continuously falls into the lower box 242 through the upper box 240 and the slab gate 28, and when the monitoring device finds that the lower box 242 is full, the slab gate 28 is quickly closed, and then snoring The bottom plate of the lower casing 242, the coarse and large particles of garbage fall into the stone sinking dump truck 29 below, and the coarse and coarse garbage continues to fall into the upper tank 240. After the coarse particles such as large granular garbage in the lower casing 242 are emptied, the bottom plate of the lower casing 242 is quickly closed, and then the intermediate slab gate 28 is smashed, and then the large granular garbage in the upper casing 240 is smashed. The coarse waste falls into the lower casing 242 until the lower casing 242 is full and enters the next cycle. The settlement truck 29 collects coarse garbage such as large granular garbage of the sinkstone box once, and when the bottom plate of the lower casing 242 is closed to enter the next working cycle, it is quickly moved to the garbage collecting workshop, and the automatic dumping The material is discharged, and then returned to the bottom of the lower tank 242 to wait for the next batch of large-grained garbage, and reciprocatingly cycles to realize preliminary separation of the coarse waste.

[0050] In this embodiment, the garbage primary selection device 20 further includes a driving device 291 for driving the movement of the settlement truck 29, and is disposed between the bottom of the stone box 24 and the garbage collection workshop. a rail 292 for guiding the settlement truck 29 and a stopper 293 disposed on the rail 292 to limit the moving distance of the sinking truck 29, the stopper 293 is disposed On the side of the rail 292 close to the garbage collection workshop, the problem of derailment occurs when the movement distance of the sink stone dump truck 29 is too large. The rockfill truck 29 is driven by the drive unit 291 to move back and forth along the rail 292 between the stone box 24 and the garbage collection plant.

Referring to FIG. 2, further, the number of the conveying pipes 22 is two, and the inner angle between the two conveying pipes 22 at the communication of the conveying pipe 10 is 60°. By providing two conveying pipes 22 communicating with the mud pipe 10, the garbage sorting capacity is provided to increase the output of the contaminated sludge treatment plant. Preferably, the inner angle of the two conveying pipes 22 is 60°, so that the contaminated sediment can smoothly flow into the two conveying pipes 22 along the conveying pipe 10, avoiding the conveying pipe 10 and A clogging problem occurs in the delivery conduit 22.

Referring to FIG. 1 to FIG. 3, further, the dividing and sorting device 30 includes a horizontal tube 32 that communicates with the ends of the two conveying pipes 22, communicates with the horizontal pipe 32, and is used for sorting small Granular garbage grille 34 and A garbage hopper 35 is provided at the garbage outlet of the grill machine 34 and for collecting small-sized garbage, and the grill machine 34 is further provided with a sediment outlet for guiding the sediment. By arranging the grill machine 34 to sort out the contaminated sediment containing small particles of garbage sorted by the stone box 24 for small particle garbage sorting, and sorting the small particle garbage collected in the In the garbage hopper 35, the garbage is sorted again, which provides a basis for the recycling of the subsequent garbage. The small-sized garbage collected by the garbage hopper 35 can be re-classified by the garbage sorting device to obtain waste that can be recycled by resources and waste used for landfill, and realize resource-based regeneration.

[0053] In this embodiment, the grill machine 34 is provided with the garbage outlet and the sediment outlet for the small particle garbage and the sediment mixture to realize the classification of the small particle garbage and the sediment mixture. deal with.

[0054] Preferably, the grill machine 34 is a flat grid 23 machine, and coarse waste materials such as large stones and gravel in the contaminated sediment are filtered by the large particle garbage sorting device, and then enter the The grill machine 34 re-sorts small-sized garbage such as small-sized garbage into the garbage hopper 35 and the sediment mixture into the sand-sinking device 60.

[0055] In this embodiment, a horizontal pipe 32 is disposed to collect the contaminated sediments in the two conveying pipes 22 in the grating machine 34 for garbage sorting, thereby realizing the concentration of garbage sorting. deal with.

[0056] In other embodiments, each of the delivery conduits 22 corresponds to a grid machine 34 to increase the throughput of the garbage sorting and to achieve an expanded capacity of the waste sorting plant.

[0057] Referring to FIG. 1 to FIG. 3, further, the dividing and sorting device 30 further includes: disposed at both ends of the horizontal pipe 32 and adjacent to each of the conveying pipes 22 to be used for diversion. The first recoil plate 36 and the second recoil plate 38. By providing the first recoil plate 36 and the second recoil plate 38, the sediment mixture entering the horizontal pipe 32 from the two conveying pipes 22 is mutually opposed to achieve a certain energy dissipation effect, and The effect of stabilizing the direction of rotation can be achieved, and the preliminary separation sludge flowing into the horizontal pipe 32 along the conveying pipe 22 can be smoothly entered into the horizontal pipe 32 to avoid the preliminary separation of the sediment. A vortex appears in the cross tube 32, which affects the flow speed.

[0058] In this embodiment, the first recoil plate 36 and the second recoil plate 38 are disposed at both ends of the horizontal tube 32, the first recoil plate 36 and the first Two recoil plates 38 are respectively disposed at the intersection of the axis of the horizontal pipe 32 and the axis of the conveying pipe 22. Preferably, the first recoil plate 36 is at an angle of 45° to the axis of the conveying pipe 22 and the second recoil plate 38 is at an angle of 50° to the axis of the corresponding conveying pipe 22 The sediments flowing into the horizontal pipe 32 along the two conveying pipes 22 are mutually opposed to each other to achieve energy dissipation, and the diversion of the preliminary sorting sediment is achieved.

Referring to FIG. 1 to FIG. 3, further, the eliminator sorting device 30 further includes an energy dissipating structure 39 disposed at the inlet of the grill machine 34 for buffering the shunt. By providing an energy dissipation structure 39 at the inlet of the grill machine 34, the impact of the preliminary sorting sludge introduced through the horizontal pipe 32 on the grid plate in the grill machine 34 is reduced. Certain buffering and shunting effects.

[0060] Please refer to FIG. 1 , further, the river and lake pollution sludge treatment waste sorting regeneration system further includes connecting the end of the mud pipe 10 to collect the diffusion during the mining and transportation of the contaminated sediment. An odor collecting and processing device 50 for malodorous gas. The odor collecting and processing device 50 is used to collect anaerobic fermentation in the contaminated sludge through the conveying pipe 22 to generate gas such as ammonia gas or hydrogen sulfide, thereby effectively controlling gas diffusion. Preferably, the odor collecting and processing device 50 is connected to the acid pool and the alkaline pool via a conduit to effectively reduce the concentration of ammonia and hydrogen sulfide in the gas, to achieve the purpose of deodorization, and to achieve odor emission compliance, avoiding occurrence Air pollution.

[0061] In this embodiment, after the odor collection and processing device 50 is processed, the toxic gas emission concentration at the perimeter of the construction river lake and the bottom mud treatment plant in the embodiment of the present invention satisfies the “odorous pollutant emission”. Standard (GB 14554-1993) standard requirements.

[0062] Due to the complexity of the sediments in the rivers and lakes, especially in the urban built-up areas and industrial areas, livestock areas and other areas, rivers and lakes pollute the water body, and the composition of the sediment is particularly complicated. In the process of contaminated sediment treatment, in order to reduce the total amount of post-treatment, improve the harmless disposal efficiency and dewatering curing efficiency of contaminated sediment, ensure the good operation state of dewatering machinery and reduce equipment failure, reduce the amount of various materials and dehydrated machinery consumables. The material, the loss of the accessory, and the like, the waste water separation and waste regeneration system of the river lake rushing sediment provided by the embodiment of the present invention sorts and filters a large amount of garbage and debris rich in the contaminated sediment, according to different pollution sources. The garbage and debris in the sediment generally include domestic garbage, construction waste, rainwater drifting stones, gravel, various trees, rubber, metal, electronic waste, etc., and the treatment and classification of the above-mentioned garbage and debris. To ensure processing efficiency and processing efficiency.

[0063] Referring to FIG. 1 , an industrialized treatment and regeneration system for rivers and lakes in the river and lakes provided by the embodiments of the present invention includes a sediment dredging device 10 for collecting and extracting polluted sediments from rivers and lakes, and a communication station at one end. a sediment dredging device 10 for transporting the pipeline of the contaminated sediment extracted by the sediment dredging device 10 a feeding device 20, a garbage sorting device 30 for connecting the other end of the pipeline conveying device 20 and for sorting the contaminated sediment conveyed by the pipeline conveying device 20, for dividing the garbage sorting device 30 The selected sediment mixture is subjected to fractional precipitation to obtain a sediment separation device 40 which can regenerate the residual sand, and is used for precipitating and purifying the muddy water mixture produced after the sediment separation device 40 is treated to obtain a reversible a muddy water separating device 50 for draining water and a dewatering curing device 60 for concentrating conditioning, modifying and tempering and dehydrating and solidifying the slurry produced by the muddy water separating device 50, the dewatering curing device 60 will be in the process of dehydration and solidification The resulting filtrate is delivered to the mud water separation device 50.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

Claim

The invention relates to a garbage sorting regeneration system for treating rivers and lakes, which comprises: a garbage primary selection device, connected to a sewage pipe conveying contaminated sediment The preliminary separation of the garbage to obtain the large granular waste and the preliminary sorting sediment;

Separating a sorting device, connecting to an output of the garbage primary device and for sorting small particle waste in the preliminary sorting sediment;

A garbage sorting device for separating and screening the large particle waste and the small particle waste to obtain recyclable waste.

The river lake gushing sludge treatment waste sorting regeneration system according to claim 1, wherein: the garbage primary selecting device comprises a conveying pipe connecting the mud pipe, and the conveying pipe is connected to collect the The stone box of the large-grained garbage, the stone box and the dividing and sorting device are disposed along the flow direction of the contaminated sediment.

The river lake urinary sewage sludge disposal waste sorting regeneration system according to claim 2, wherein: the garbage primary selection device further comprises: disposed in the transport pipeline along the flow direction of the contaminated sediment and located at the a first flat valve and a second flat valve before and after the stone box and a sloping grid disposed at the connection between the conveying pipe and the stone box to slide the large particle garbage into the stone box .

The garbage discharge juxtaposition treatment waste separation regeneration system according to claim 3, wherein: the garbage primary selection device further comprises a flat grid disposed at the entrance of the sinkstone box, and is disposed in the a slab gate in the sinkstone box between the flat grille and the garbage outlet, and an opening and closing mechanism disposed at the waste exit of the sinkstone tank, the slab gate dividing the internal space of the sinkstone box into Upper and lower boxes.

The river lake urinary sewage sludge disposal waste sorting regeneration system according to claim 2, wherein: the garbage primary selection device further comprises: transporting the large granular waste in the sinkstone tank to the garbage The sinking stone dump truck in the aggregate workshop.

The river lake urgency sewage sediment disposal garbage sorting regeneration system according to any one of claims 2 to 5, characterized in that: the number of the transport pipelines is two, and two of the transport pipelines are at the transport The internal angle of the joint of the mud pipe is 60°.

[Claim 7] The river lake urinary sewage sludge disposal waste sorting regeneration system according to claim 6, wherein: the culling sorting device comprises a horizontal pipe connected to the ends of the two conveying pipes, and The horizontal pipe is connected to and used for sorting out small-grain garbage, and a garbage hopper disposed at the garbage machine garbage outlet for collecting small-grain garbage, and the grating machine is further provided for discharging the sediment The sediment outlet.

[Claim 8] The river lake urinary sewage sludge disposal waste sorting regeneration system according to claim 7, wherein: the culling sorting device further comprises: disposed at both ends of the horizontal pipe and respectively adjacent to One side of each of the conveying pipes is a first recoil plate and a second recoil plate for guiding the flow.

[Claim 9] The river lake gushing sludge treatment waste sorting regeneration system according to claim 7, wherein: the dividing and sorting device further comprises: being disposed at the inlet of the grill machine and used for buffering The energy dissipation structure of the split.

[Claim 10] The river lake gushing sewage sediment disposal garbage sorting regeneration system according to claim 1, further comprising: connecting the end of the mud pipe to collect the contaminated sediment mining and conveying process An odor collecting and processing device for a diffused malodorous gas.