CN215029963U - Modularized shield muck treatment system - Google Patents

Abstract

The utility model belongs to the technical field of tunnel engineering, concretely relates to modularization shield constructs dregs processing system, it is many to have solved dregs processing equipment, and area is unreasonable and the relevance is relatively poor between the equipment, is unfavorable for equipment fixing and dismantles work scheduling problem. The automatic sand washing and filtering device comprises a feeding module, wherein the feeding module is sequentially connected with a screening module, a sand washing module, a flocculation module and a filter-pressing module, and detachable pipeline interfaces are arranged among the feeding module, the screening module, the sand washing module, the flocculation module and the filter-pressing module. The utility model discloses rational planning equipment area, integrated module ization equipment makes the contact between each module inseparable, the equipment fixing of being convenient for and dismantlement work. The utility model is suitable for a shield constructs dregs and handles.

Description

Modularized shield muck treatment system

Technical Field

The utility model belongs to the technical field of tunnel engineering, concretely relates to modularization shield constructs dregs processing system.

Background

With the rapid development of social economy, the construction of urban rail transit is an important component of the construction of urban infrastructure. The shield constructs a large amount of muck, if the muck is directly transported outside, the cost is high, the muck can be spilled on roads, dust is generated, the pollution is great, and the muck of the shield is generally recycled and separated due to a large amount of recyclable resources such as sand, stone, soil, water, bentonite and foam contained in the muck, so that the recycling of the resources is realized.

The existing shield muck treatment system transports and separates muck generated by construction through a series of means, relevant equipment is arranged beside a muck pit to carry out muck recovery treatment, and the muck is separated to obtain separated finished coarse sand, fine sand, mud cakes and clear water, but the relevant equipment is more, unreasonable in occupied area, not beneficial to flexible arrangement, and poor in relevance among various equipment, and not beneficial to equipment installation and disassembly.

SUMMERY OF THE UTILITY MODEL

The problems that in the prior art, a plurality of muck processing devices are needed, the occupied area is unreasonable, the relevance between the devices is poor, the device is not convenient to mount and dismount are solved, and the like. The utility model provides a modularization shield constructs dregs processing system, its aim at: the floor area of the equipment is reasonably planned, modular equipment is integrated, so that the modules are closely connected, and the equipment is convenient to mount and dismount.

The utility model adopts the technical scheme as follows:

the utility model provides a modularization shield constructs dregs processing system which characterized in that: the automatic sand washing and filtering device comprises a feeding module, wherein the feeding module is sequentially connected with a screening module, a sand washing module, a flocculation module and a filter-pressing module, and detachable pipeline interfaces are arranged among the feeding module, the screening module, the sand washing module, the flocculation module and the filter-pressing module.

In the above scheme, divide into five modules with the dregs system, five modular device integrate, wherein the loading module is transported to the screening module with dregs in the dregs hole, the screening module carries out the coarse screening, obtain the product coarse sand, the remaining dregs of sand washing module fine treatment obtains product fine sand and dregs mud, wherein dregs mud is piled up through the medicine flocculation in the flocculation module, the supernatant flows into in the liquid storage tank in the flocculation module, lower floor's mud obtains mud cake and pressure filtration liquid in the pressure filtration module in the flocculation module, deposit out the clear water in the liquid storage tank. Coarse sand, fine sand, clear water and mud cake are separated out to whole dregs processing system, wherein are provided with detachable pipeline interface between material loading module, screening module, washed-out sand module, flocculation module and the filter-pressing module, are convenient for install and dismantle equipment.

Preferably, the feeding module comprises a bucket-wheel reclaimer, a large-inclination-angle belt conveyor and a horizontal belt conveyor, the bucket-wheel reclaimer is connected with the large-inclination-angle belt conveyor, and the horizontal belt conveyor is connected with the large-inclination-angle belt conveyor. Adopt this preferred scheme, bucket-wheel reclaimer excavates and transports the dregs to big inclination belt conveyor from the dregs hole, and big inclination belt conveyor's return stroke end sets up horizontal belt conveyor, prevents that the dregs from dropping, reduces the work load that the staff's dregs cleared up.

Preferably, the screening module comprises a material distribution hopper, the input end of the material distribution hopper is connected with a large-inclination-angle belt conveyor, and the output end of the material distribution hopper is sequentially connected with a feeder and a vibrating screen. By adopting the preferred scheme, the distributing hopper is provided with an output end of a pipeline interface connected with a belt conveyor with a large inclination angle, so that the installation and the disassembly between the feeding module and the screening module are facilitated, the output end of the distributing hopper is sequentially connected with two feeders, the feeders transport the residue soil to the vibrating screen, the vibrating screen is provided with a rhombic anti-blocking screen, coarse sand is separated from the residue soil, and the residual residue soil is discharged to the sand washing device from a chute of the vibrating screen.

Preferably, the sand washing module comprises a first-stage impeller sand washing machine, a second-stage impeller sand washing machine, a cyclone, a dewatering screen and a liquid separation box, wherein the input end of the first-stage impeller sand washing machine is connected with the vibrating screen, the first-stage impeller sand washing machine is connected with the second-stage impeller sand washing machine and the dewatering screen in series, an overflow tank is arranged below the first-stage impeller sand washing machine, the second-stage impeller sand washing machine and the dewatering screen, and the overflow tank is connected with the cyclone. By adopting the preferred scheme, the first-stage impeller sand washer is provided with a pipeline interface connected with the output end of the vibrating screen, so that the installation and the disassembly between the screening module and the sand washing module are convenient, the first-stage impeller sand washer is connected with the second-stage impeller sand washer and the dewatering screen in series, overflow pools are arranged below the first-stage impeller sand washer, the second-stage impeller sand washer and the dewatering screen, the first-stage impeller sand washer and the second-stage impeller separate silt to obtain medium fine sand with low silt content and overflow slurry with low silt content, the medium fine sand enters the dewatering screen, the dewatering screen performs vibration dewatering to reduce the water content of the medium fine sand and reduce the silt content of the medium fine sand, the overflow slurry and dewatered screen underflow generated by the dewatering screen during vibration dewatering are collected in the overflow pools, the overflow pools pump the overflow slurry and the dewatered screen underflow are pumped into the swirler, the swirler performs re-separation on the medium fine sand to obtain medium fine sand with extremely low silt content and slurry almost without sand, and (4) feeding the medium fine sand into a dewatering screen, and feeding the slurry into a liquid separating box.

Preferably, the number of the cyclones is four, two of the cyclones are connected with the second-stage impeller sand washer, the other two cyclones are connected with the dewatering screen, one end of each cyclone is connected with the liquid separation box, and the other end of each cyclone is connected with the second-stage impeller sand washer or the dewatering screen. By adopting the preferred scheme, the four cyclones improve the working efficiency of sand washing, one ends of the two cyclones are connected with the liquid separating box, the other ends of the two cyclones are connected with the second-stage impeller sand washing machine, the four cyclones divide the low-flow two paths to be discharged to the second-stage sand washing machine and the dewatering screen for circular treatment, and mud on fine sand and the sand content of mud are further reduced.

Preferably, the flocculation module includes automatic pharmacy and charge device and flocculation jar, the input of flocculation jar is connected with branch liquid case and automatic pharmacy and charge device, the output of flocculation jar is connected with the liquid reserve tank. Adopt this preferred scheme, because the medicament is handled, the layering appears in the mud in the flocculation tank, and wherein earth deposits at the tank bottoms, and the upper end of flocculation tank sets up the overflow mouth, and the more clear water of flocculation tank top overflows to the liquid storage tank in through the overflow mouth.

Preferably, the filter-pressing module includes the pressure filter, the input of pressure filter is connected with the flocculation tank, the output and the liquid reserve tank of pressure filter link to each other, the output and the screening module and the washed-out sand module of liquid reserve tank link to each other, the liquid reserve tank is provided with the return line, the return line links to each other with the flocculation tank. By adopting the preferred scheme, the tank bottom slurry in the flocculation tank is connected with a filter press through a pipeline interface, the filter press dehydrates and filter presses the slurry to generate a mud cake and a filter pressing liquid, and the filter pressing liquid enters the liquid storage tank through the return pipeline again to precipitate the slurry. The liquid reserve tank is tertiary sediment overflow structure, and the water of flocculation jar, pressure filter output is collected to the first order deposits, and top clear liquid overflow to the second level, and the back overflow to the third level deposits once more. And water in the third-stage liquid storage tank is used as spray water of the vibrating screen and the sand washer, so that cyclic utilization is realized. And (4) installing slurry pumps at the bottoms of the first-stage liquid storage tank and the second-stage liquid storage tank, periodically cleaning sludge at the bottom, and conveying the slurry to the flocculation tank for secondary treatment.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, divide into five modules with the dregs system, five module devices integrate, wherein the loading module transports dregs to the screening module in with the dregs hole, the screening module carries out the coarse screening, obtain the product coarse sand, the remaining dregs of sand washing module fine treatment obtains product fine sand and dregs mud, wherein dregs mud is piled up through the medicine flocculation in the flocculation module, upper clear liquid flows into in the receiver tank in the flocculation module, lower floor's mud obtains the mud cake and presses the filtrating in the filter-pressing module in the flocculation module, deposit out the clear water in the receiver tank. Coarse sand, fine sand, clear water and mud cake are separated out to whole dregs processing system, wherein are provided with detachable pipeline interface between material loading module, screening module, washed-out sand module, flocculation module and the filter-pressing module, are convenient for install and dismantle equipment.

2. The utility model discloses in, the sand washing module centering fine sand and mud manifold cycles wash, the silt content rate of the fine sand in having reduced and the husky rate of mud.

3. The utility model discloses in, the clear water that the flocculation module produced is used for screening module and washing sand module once more, handles the hydrologic cycle, when reducing manufacturing cost, and resource recovery recycles and has reduced environmental pollution.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the module structure of the present invention;

FIG. 2 is a schematic flow chart of the apparatus of the present invention;

FIG. 3 is a schematic flow chart of the present invention;

reference numerals: 1-a material taking module; 2-distributing hopper; 3-feeding machine; 4-vibrating screen; 5-a first-stage impeller sand washer; 6-a second-stage impeller sand washer; 7-a swirler; 8-dewatering screen; 9-an overflow tank; 10-liquid separation box; 11-automatic pharmaceutical and dosing device; 12-a flocculation tank; 13-a filter press; 14-a liquid storage tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 3 of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

Examples

The utility model provides a modularization shield constructs dregs processing system, includes material loading module 1, material loading module 1 has connected gradually screening module, washed-out sand module, flocculation module and filter-pressing module, be provided with detachable pipeline interface between material loading module 1, screening module, washed-out sand module, flocculation module and the filter-pressing module.

The utility model discloses in, material loading module 1 includes bucket-wheel reclaimer, big inclination band conveyer and horizontal belt conveyor, bucket-wheel reclaimer's discharge gate is located big inclination band conveyer's transportation starting point top, horizontal belt conveyor is located big inclination band conveyer's return stroke section below.

The utility model discloses in, the screening module is including dividing hopper 2, the input that divides hopper 2 is connected with big inclination belt conveyor, the output that divides hopper 2 has connected gradually batcher 3 and shale shaker 4. The feeder 2 is a GZG200-200Z type self-synchronizing inertial feeder, and the fed muck is uniform and loose. The type of the vibrating screen 4 is a 3CSS2160 type horizontally-installed elliptical vibrating screen which is provided with three layers of rhombic anti-blocking screens, so that the slag soil can be effectively prevented from being blocked.

The utility model discloses in, the sand washing module includes first order impeller sand washer 5, second level impeller sand washer 6, swirler 7, dewatering screen 8 and divides liquid box 10, first order impeller sand washer 5's input links to each other with shale shaker 4, first order impeller sand washer 5 establishes ties with second level impeller sand washer 6 and dewatering screen 8, first order impeller sand washer 5, second level impeller sand washer 6 and dewatering screen 8 below are provided with overflow tank 9, overflow tank 9 links to each other with swirler 7. The first-stage impeller sand washer 5 and the second-stage impeller sand washer 6 are XSD3624 type impeller sand washers, and the impeller sand washers are high in cleanliness, large in handling capacity, low in power consumption and long in service life. The dewatering screen 8 is a ZSD2442 dewatering screen, and the water content and mud content of the medium-fine sand can be effectively reduced by adopting a vibration dewatering mode.

The utility model discloses in, swirler 7 quantity is four, and wherein two link to each other with second level impeller sand washer 6, and two link to each other with dewatering screen 8 in addition, swirler 7's one end is connected with branch liquid case 10, and the other end is connected with second level impeller sand washer 6 or dewatering screen 8. The swirler 7 is an FX500 hydrocyclone which can effectively separate medium and fine sand and slurry, and the residue soil slurry in the overflow tank 9 is finely separated again to obtain medium and fine sand with lower mud content and slurry with lower sand content than those of the impeller sand washer.

The utility model discloses in, the flocculation module includes automatic pharmacy and charge device 11 and flocculation tank 12, the input of flocculation tank 12 is connected with branch liquid case 10 and automatic pharmacy and charge device 11, the output of flocculation tank 12 is connected with liquid reserve tank 14. The quantity of flocculation jar 12 is 6, and flocculation jar 12 quantity is six, and every flocculation jar 12 links to each other with branch liquid case 10 through detachable pipeline interface.

The utility model discloses in, the filter-pressing module includes pressure filter 13, pressure filter 13's input is connected with flocculation tank 12, has six pressure filters 13, and every pressure filter 13 corresponds a flocculation tank 12, the mud in the high-efficient processing flocculation tank 12, pressure filter 13's output links to each other with liquid reserve tank 14, liquid reserve tank 14's output links to each other with screening module and washing sand module, liquid reserve tank 14 is provided with the backflow pipeline, the backflow pipeline links to each other with flocculation tank 12.

The utility model discloses in, dregs from the dregs hole through the excavation of bucket wheel reclaimer and transport dregs to big inclination belt conveyor on, big inclination belt conveyor transports dregs to screening module through the transportation pipeline, the horizontal belt conveyor that big inclination belt conveyor's return stroke section set up will big inclination belt conveyor adheres to big inclination belt conveyor and transports to screening module in the sticky tape dregs, two batchers 3 are given with dregs branch in the screening module 2, two batchers 3 transport dregs to two shale shakers 4 respectively, shale shaker 4 carries out the vibration screening, discharge the coarse sand, and transport the surplus dregs to the sand washing module through the transportation pipeline. The method comprises the steps that a first-stage impeller sand washer 5 in a sand washing module carries out primary sand washing to obtain medium-fine sand and overflow slurry, the overflow slurry is discharged into an overflow tank 9, the medium-fine sand is conveyed to a second-stage impeller sand washer 6 and is washed again to obtain the medium-fine sand and the overflow slurry, the mud content of the medium-fine sand washed again is lower, the medium-fine sand is conveyed to a dewatering screen 8, the dewatering screen 8 carries out vibration dewatering and drying on the medium-fine sand, meanwhile, the dewatering screen underflow is conveyed to the overflow tank 9, the overflow tank 9 conveys the slurry in the tank to a swirler 7, the swirler 7 carries out treatment to obtain the slurry with the extremely low mud content and the extremely low sand content, the overflow slurry is discharged to the second-stage impeller sand washer 6, the medium-fine sand is discharged to the dewatering screen 8, and the medium-fine sand and the slurry with the higher purity are obtained through multiple circulation treatment. The mud that handles transports to six flocculation tanks 12 through branch liquid case 10, because automatic pharmacy and charge device 11 add the medicine for flocculation tank 12, the layering appears in flocculation tank 12, the upper strata is the clear liquid, arrange into liquid reserve tank 14 through the overflow mouth of flocculation tank 12 top, the lower floor is mud sediment, carry and give six pressure filters 13, pressure filter 13 dewaters mud, obtain mud cake and press the filtrating, press the filtrating and discharge into liquid reserve tank 14, liquid reserve tank 14 is tertiary sediment overflow structure, flocculation tank 12 is collected to the first order liquid reserve tank, the water of pressure filter 13 output deposits, top clear liquid overflow to second level liquid reserve tank, overflow to third level liquid reserve tank after deposiing once more. And water in the third-stage liquid storage tank is used as spray water of the vibrating screen 4 and the impeller sand washer, so that cyclic utilization is realized. And a slurry pump is arranged at the bottom of the first-stage liquid storage tank and the bottom of the second-stage liquid storage tank, bottom sludge is periodically cleaned, and the slurry is conveyed into the flocculation tank 12 for secondary treatment.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present invention, which shall all be covered by the present application.

Claims (6)

1. The utility model provides a modularization shield constructs dregs processing system which characterized in that: including material loading module (1), material loading module (1) has connected gradually screening module, washed-out sand module, flocculation module and filter-pressing module, be provided with detachable pipeline interface between material loading module (1), screening module, washed-out sand module, flocculation module and the filter-pressing module, material loading module (1) is including bucket-wheel reclaimer, big inclination belt conveyor and horizontal belt conveyor, bucket-wheel reclaimer links to each other with big inclination belt conveyor, horizontal belt conveyor links to each other with big inclination belt conveyor.

2. The modular shield muck handling system of claim 1, wherein: the screening module comprises a material distribution hopper (2), the input end of the material distribution hopper (2) is connected with a large-inclination-angle belt conveyor, and the output end of the material distribution hopper (2) is sequentially connected with a feeder (3) and a vibrating screen (4).

3. The modular shield muck handling system of claim 1, wherein: the sand washing module comprises a first-stage impeller sand washing machine (5), a second-stage impeller sand washing machine (6), a cyclone (7), a dewatering screen (8) and a liquid separating box (10), wherein the input end of the first-stage impeller sand washing machine (5) is connected with a vibrating screen (4), the first-stage impeller sand washing machine (5) is connected with the second-stage impeller sand washing machine (6) and the dewatering screen (8) in series, an overflow tank (9) is arranged below the first-stage impeller sand washing machine (5), the second-stage impeller sand washing machine (6) and the dewatering screen (8), and the overflow tank (9) is connected with the cyclone (7).

4. The modular shield muck handling system of claim 3, wherein: the quantity of swirler (7) is four, and wherein two link to each other with second level impeller sand washer (6), and two link to each other with dewatering screen (8) in addition, the one end of swirler (7) is connected with branch liquid case (10), and the other end is connected with second level impeller sand washer (6) or dewatering screen (8).

5. The modular shield muck handling system of claim 1, wherein: the flocculation module includes automatic pharmacy and charge device (11) and flocculation tank (12), the input of flocculation tank (12) is connected with branch liquid case (10) and automatic pharmacy and charge device (11), the output of flocculation tank (12) is connected with liquid reserve tank (14).

6. The modular shield muck handling system of claim 1, wherein: the filter-pressing module includes pressure filter (13), the input of pressure filter (13) is connected with flocculation jar (12), the output of pressure filter (13) links to each other with liquid reserve tank (14), the output of liquid reserve tank (14) links to each other with screening module and sand washing module, liquid reserve tank (14) are provided with the return line, the return line links to each other with flocculation jar (12).

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