Engineering muck integrated treatment system

Abstract

The utility model discloses an integrated treatment system for engineering muck, which comprises a feeding screening module, a sand washing rotational flow module, a flocculation dosing module, a solid-liquid separation module and a spray supply module which are connected with one another, the sediment mixture is input into the sand washing rotational flow module to wash and separate out fine sand and slurry, the slurry is input into the flocculation dosing module to flocculate to obtain thick slurry and supernate, the thick slurry is input into the solid-liquid separation module to filter-press to obtain mud cakes and clear water, and the supernate and the clear water are input back to the spraying supply module; and water of the spraying supply module is supplied to the feeding screening module and the sand washing rotational flow module for use. The system provided by the utility model meets the requirements that engineering muck on a construction site can be quickly treated, short-term and long-term muck treatment on the construction site is facilitated, and the aims of quickly transferring and putting into use are fulfilled.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering construction technical field especially relates to a kind of engineering slag integration processing system. BACKGROUND

[0002] With the increasing scale of engineering construction, the engineering slag treatment at construction site becomes a problem to be solved. The traditional engineering slag treatment method has problems such as low efficiency, poor environmental protection, low resource utilization, etc., and cannot meet the short-term and long-term slag treatment needs at construction site. Therefore, it is of great significance to study an efficient, environmentally friendly and resourceful engineering slag treatment technology.

[0003] Currently, the research on engineering slag treatment technology mainly focuses on physical, chemical and biological methods. However, these methods have certain limitations in practical application, such as long treatment period, large equipment, complex operation, etc., which are difficult to meet the rapid and flexible treatment needs at construction site. SUMMARY

[0004] The utility model aims to solve one of the technical problems in the related art at least to some extent.

[0005] Therefore, the embodiment of the utility model provides an engineering slag integration processing system, which has the advantages of fast processing speed, good environmental protection performance and high resource utilization rate.

[0006] The engineering slag integration processing system according to the embodiment of the utility model comprises:

[0007] A feed screening module is used to separate the engineering slag into stone and sand mixture.

[0008] A sand washing cyclone module is connected with the feed screening module, so that the sand mixture separated by the feed screening module is input into the sand washing cyclone module. The sand washing cyclone module is used to wash the sand mixture to separate fine sand and mud slurry.

[0009] A flocculation dosing module is connected with the sand washing cyclone module, so that the mud slurry separated by the sand washing cyclone module is input into the flocculation dosing module. The flocculation dosing module is used to flocculate the mud slurry to obtain thick mud slurry and supernatant.

[0010] A solid-liquid separation module is connected with the flocculation dosing module, so that the thick mud slurry of the flocculation dosing module is input into the solid-liquid separation module. The solid-liquid separation module is used to filter press the thick mud slurry to obtain mud cake and clean water.

[0011] A spray supply module is connected with the flocculation dosing module and the solid-liquid separation module, so that the supernatant of the flocculation dosing module and the clean water of the solid-liquid separation module are input into the spray supply module, and the spray supply module is also connected with the feed screening module and the sand washing cyclone module, so that the water of the spray supply module is supplied to the feed screening module and the sand washing cyclone module.

[0012] The engineering sludge integrated treatment system of the embodiment of the utility model meets the requirement that the engineering sludge at the construction site can be quickly treated, facilitates the short-term and long-term sludge treatment demand of the construction site, achieves the purpose of quick site change and putting into use, and fully adapts to different working conditions, flexibly and conveniently completes the sludge grading, separation and dehydration of the construction site of the engineering construction, and maximally utilizes the equipment to treat and reuse the engineering sludge in a reduced amount, in an environmentally friendly way and in a resourceful way.

[0013] In some embodiments, the feed screening module comprises a first vehicle body, an inlet hopper and a drum screen arranged on the first vehicle body, the inlet hopper is connected with the drum screen, and engineering sludge is input into the drum screen through the inlet hopper for screening to obtain a stone and sand mixture.

[0014] In some embodiments, the feed screening module further comprises a feeder arranged on the first vehicle body, and the inlet hopper is connected with the drum screen through the feeder.

[0015] In some embodiments, the feed screening module further comprises a material collecting transfer box arranged on the first vehicle body, the material collecting transfer box is connected with the drum screen, so that the sand mixture separated by the drum screen is input into the material collecting transfer box, and an agitator is arranged on the material collecting transfer box to add water into the material collecting transfer box and agitate the sand mixture by using the agitator.

[0016] In some embodiments, the sand washing cyclone module comprises a second vehicle body, a spiral sand washer and a dehydration screen arranged on the second vehicle body, the spiral sand washer is connected with the material collecting transfer box through a pipeline, so that the water-agitated sand mixture is input into the spiral sand washer for cleaning, the spiral sand washer is connected with the dehydration screen, so that fine sand obtained by cleaning of the spiral sand washer is conveyed to the dehydration screen for dehydration, a cyclone tank is arranged at the bottom of the dehydration screen, a cyclone separator group is arranged on the cyclone tank, and the spiral sand washer is connected with the cyclone tank, so that waste liquid from sand washing of the spiral sand washer is input into the cyclone tank and mud is separated out by the cyclone separator group.

[0017] In some embodiments, the sand washing cyclone module further comprises a folding rotary fine sand belt conveyor arranged on the second vehicle body, the folding rotary fine sand belt conveyor is connected with the dehydration screen, so that fine sand after dehydration is conveyed to a stockyard.

[0018] In some embodiments, the flocculation and reagent adding module comprises a third vehicle body and a horizontal flocculator and a reagent box arranged on the third vehicle body, the horizontal flocculator is connected with the cyclone separator group through pipelines, so that the cyclone mud is input into the horizontal flocculator, and the reagent box is connected with the horizontal flocculator, so that the reagent is added to the flocculated mud in the horizontal flocculator.

[0019] In some embodiments, the solid-liquid separation module comprises a fourth vehicle body and a filter press and a cake belt conveyor arranged on the fourth vehicle body, the filter press is connected with the horizontal flocculator through pipelines, so that the thick mud at the bottom of the horizontal flocculator is input into the filter press for compression, and the cake belt conveyor is connected with the filter press, so that the filter cake of the filter press is conveyed to the stockpile through the cake belt conveyor.

[0020] In some embodiments, the spraying and feeding module comprises a fifth vehicle body and a clean water tank arranged on the fifth vehicle body, the clean water tank is connected with the aggregate transfer tank and the spiral sand washing machine through pipelines to supply water to the aggregate transfer tank and the spiral sand washing machine, and the clean water tank is also connected with the horizontal flocculator and the filter press through pipelines, so that the supernatant flocculated by the horizontal flocculator and the clean water filtered by the filter press are input into the clean water tank.

[0021] In some embodiments, the feeding and screening module further comprises a control room arranged on the first vehicle body, and the spraying and feeding module further comprises a generator set arranged on the fifth vehicle body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a schematic diagram of an engineering sludge integrated treatment system according to an embodiment of the present application.

[0023] Figure 2 FIG. 5 is a schematic diagram of a feeding and screening module according to an embodiment of the present application.

[0024] Figure 3 FIG. 7 is a schematic diagram of a sand washing and cyclone module according to an embodiment of the present application.

[0025] Figure 4 FIG. 9 is a schematic diagram of a flocculation and reagent adding module according to an embodiment of the present application.

[0026] Figure 5 FIG. 11 is a schematic diagram of a solid-liquid separation module according to an embodiment of the present application.

[0027] Figure 6 FIG. 13 is a schematic diagram of a spraying and feeding module according to an embodiment of the present application.

[0028] REFERENCE SIGNS:

[0029] 1 - feeding screening module, 11 - first vehicle body, 12 - inlet hopper, 13 - feeder, 14 - drum screen, 15 - aggregate transfer box, 16 - agitator, 17 - transfer pump, 18 - control room,

[0030] 2 - sand washing cyclone module, 21 - second vehicle body, 22 - spiral sand washer, 23 - dewatering screen, 24 - cyclone tank, 25 - cyclone pump, 26 - cyclone separator group, 27 - folding rotary fine sand belt conveyor,

[0031] 3 - flocculation dosing module, 31 - third vehicle body, 32 - horizontal flocculator, 33 - dosing box,

[0032] 4 - solid-liquid separation module, 41 - fourth vehicle body, 42 - filter press, 43 - cake belt conveyor,

[0033] 5 - spray feeding module, 51 - fifth vehicle body, 52 - clean water tank, 53 - generator set. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0035] The engineering sludge integrated treatment system of the embodiment of the present application is described below in combination with the drawings.

[0036] As shown in the drawings, Figures 1 to 6 The engineering sludge integrated treatment system of the embodiment of the present application comprises: a feeding screening module 1, a sand washing cyclone module 2, a flocculation dosing module 3, a solid-liquid separation module 4 and a spray feeding module 5.

[0037] The system of the present application comprises five modules, each module adopts a vehicle-mounted unit with a semi-trailer board vehicle structure, and is used for construction sites of resource utilization of shield slurry, pile foundation mud, river dredging, etc.

[0038] The feeding screening module 1 is used for separating stone and sand mixture from the engineering slurry. The sand washing cyclone module 2 is connected with the feeding screening module 1, and the sand mixture separated by the feeding screening module 1 is input into the sand washing cyclone module 2. The sand washing cyclone module 2 washes the sand mixture to separate fine sand and mud. The flocculation dosing module 3 is connected with the sand washing cyclone module 2, and the mud separated by the sand washing cyclone module 2 is input into the flocculation dosing module 3 for flocculation to obtain thick mud and supernatant. The solid-liquid separation module 4 is connected with the flocculation dosing module 3, and the thick mud is input into the solid-liquid separation module 4. The solid-liquid separation module 4 filters the thick mud to obtain mud cake and clean water.

[0039] It can be understood that the stone, fine sand and mud cake separated by the above process can be stored in a special yard or used on site.

[0040] The spraying supply module 5 is connected with the flocculation dosing module 3 and the solid-liquid separation module 4, so that the supernatant of the flocculation dosing module 3 and the clean water of the solid-liquid separation module 4 are input into the spraying supply module 5, and the spraying supply module 5 is also connected with the feed screening module 1 and the sand washing cyclone module 2, so that the water of the spraying supply module 5 is supplied to the feed screening module 1 and the sand washing cyclone module 2 for use.

[0041] It can be understood that the water recycling of the system can greatly reduce the consumption of fresh water resources. Recycling can reduce the amount of sewage generated during the treatment process, reduce environmental pollution, protect the local water ecological environment, and meet the requirements of green and sustainable development. Reducing the amount of fresh water and sewage treatment can reduce the operating cost of the project.

[0042] In addition, the circulating water usually contains a certain amount of suspended solids and chemical components, which helps to separate and clean the solid particles in the construction waste, improving the treatment efficiency. The mud and sand and other useful components in the construction waste can be better separated through water recycling, improving the utilization rate of resources.

[0043] Therefore, the construction waste integrated treatment system of the embodiment of the utility model meets the requirements of rapid treatment of construction waste on the construction site, facilitates short-term and long-term construction waste treatment requirements on the construction site, achieves the purpose of rapid transfer and use. And fully adapt to different working conditions, flexibly and conveniently complete the grading and separation and dehydration of construction waste on the construction site, maximize the use of equipment to reduce, protect and recycle the construction waste.

[0044] In some embodiments, as shown in Figure 1 and Figure 2 The feed screening module 1 includes a first vehicle body 11, an inlet hopper 12, a feeder 13 and a drum screen 14 arranged on the first vehicle body 11, and the inlet hopper 12 is connected with the drum screen 14 through the feeder 13. The construction waste is input into the inlet hopper 12 through excavators or belt conveyors and then enters the feeder 13, which vibrates uniformly and then enters the drum screen 14, which performs screening to obtain clean stone.

[0045] Optionally, as shown in Figure 1 and Figure 2As shown, the feeding and screening module 1 further comprises a material transfer tank 15 and a transfer pump 17 provided on the first vehicle body 11, and the material transfer tank 15 is connected with the drum screen 14. The separated mixture of silt and sand is input into the material transfer tank 15, and the material transfer tank 15 is provided with an agitator 16. Water is added into the material transfer tank 15, and the mixture of silt and sand is agitated by the agitator 16, so as to be conveyed to the next process by the transfer pump 17.

[0046] As shown in FIG. 1, the sand washing system 1 comprises a feeding and screening module 1, a sand washing cyclone module 2, a flocculation and reagent adding module 3, and a solid-liquid separation module 4. Figures 1 to 3 As shown, the sand washing cyclone module 2 comprises a second vehicle body 21, and a spiral sand washer 22, a dewatering screen 23, and a folding rotary fine sand belt conveyor 27 provided on the second vehicle body 21.

[0047] The spiral sand washer 22 is connected with the material transfer tank 15 through a pipeline, and the mixture of silt and sand after water agitation is pumped into the spiral sand washer 22 for cleaning.

[0048] The spiral sand washer 22 is connected with the dewatering screen 23, and the fine sand obtained by cleaning of the spiral sand washer 22 is conveyed to the dewatering screen 23 through a cyclone shaft for dewatering to obtain clean fine sand products. The folding rotary fine sand belt conveyor 27 is connected with the dewatering screen 23 to convey the dewatered fine sand to a stockyard.

[0049] The dewatering screen 23 is provided with a cyclone tank 24, and the cyclone tank 24 is provided with a cyclone separator group 26, and the spiral sand washer 22 is connected with the cyclone tank 24. The waste liquid (overflow liquid) of the spiral sand washer 22 is input into the cyclone tank 24, and is pumped into the cyclone separator group 26 through a cyclone pump 25, and tailings are recovered by the cyclone separator group 26, and the separated slurry is conveyed to the next process.

[0050] As shown in FIG. 1, the sand washing system 1 comprises a feeding and screening module 1, a sand washing cyclone module 2, a flocculation and reagent adding module 3, and a solid-liquid separation module 4. Figure 1 and Figure 4 As shown, the flocculation and reagent adding module 3 comprises a third vehicle body 31, and a horizontal flocculator 32 and a reagent tank 33 provided on the third vehicle body 31.

[0051] The horizontal flocculator 32 is connected with the cyclone separator group 26 through a pipeline, and the cyclone slurry is input into the horizontal flocculator 32, and the reagent tank 33 is connected with the horizontal flocculator 32 to add reagents into the horizontal flocculator 32. After the slurry is flocculated by adding reagents in the horizontal flocculator 32, the upper part of the horizontal flocculator 32 is supernatant, and the bottom part is thick slurry.

[0052] As shown in FIG. 1, the sand washing system 1 comprises a feeding and screening module 1, a sand washing cyclone module 2, a flocculation and reagent adding module 3, and a solid-liquid separation module 4. Figure 1 and Figure 5 As shown, the solid-liquid separation module 4 comprises a fourth vehicle body 41, and a filter press 42 and a sludge cake belt conveyor 43 provided on the fourth vehicle body 41.

[0053] The filter press 42 is connected with the horizontal flocculator 32 through a pipeline, and thick slurry at the bottom of the horizontal flocculator 32 is input into the filter press 42 for solid-liquid separation.

[0054] In some embodiments, as shown in Figure 1 and Figure 6 The spraying supply module 5 includes a fifth vehicle body 51 and a clean water tank 52 arranged on the fifth vehicle body 51.

[0055] The clean water tank 52 is connected with the aggregate transfer tank 15 and the spiral sand washing machine 22 through pipelines to supply water to the aggregate transfer tank 15 and the spiral sand washing machine 22, and is also connected with the horizontal flocculator 32 and the filter press 42 through pipelines to input supernatant flocculated by the horizontal flocculator 32 and clean water filtered by the filter press 42 into the clean water tank 52. The water in the clean water tank 52 is recycled for aggregate cleaning.

[0056] In some embodiments, as shown in Figure 2 and Figure 6 The feeding and screening module 1 further includes a control room 18 arranged on the first vehicle body 11, and the spraying supply module 5 further includes a generator set 53 arranged on the fifth vehicle body 51.

[0057] It can be understood that power supply of the entire system is provided by the generator set 53, and control operations of the entire system are integrated in the control room 18 for unified regulation and control, so that the number of field operators is reduced.

[0058] In summary, the engineering spoil integrated treatment system according to the embodiments of the present application is built in a vehicle-mounted module mode, the portability and site adaptability of the equipment are improved, the system can be used only by connecting pipelines and being powered on, and the installation cost and the cost of temporary construction are reduced.

[0059] Each vehicle-mounted unit is designed in a standardized mode, and is combined in an integrated mode. The unit modules can be assembled according to different scenes, and the integrated control module guarantees that the increase or decrease of the units also satisfies integrated control, so that the processing requirements of different working conditions and scenes are finally met.

[0060] Therefore, the risk of work stoppage is effectively reduced, the utilization rate of the equipment is improved, and resource waste is reduced.

[0061] In addition, the system is provided with the generator set 53, and can solve problems such as remote construction sites and frequent changes of sites. Moreover, the spoil is locally resourcefied, environmental pollution is reduced, and resources are saved.

[0062] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0063] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0064] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0065] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0066] In the present application, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that the specific feature, structure, material or characteristic being described with reference to the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the features of different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0067] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the changes, modifications, replacements and modifications of the above embodiments made by the person skilled in the art are within the protection scope of the present application.

Claims

1. An integrated system for treating construction waste, characterized in that, The application relates to a sand washing and separating system. The sand washing and separating system comprises: a feeding and screening module for separating construction waste into stone and sand mixture; a sand washing and cyclone module connected with the feeding and screening module, so that the sand mixture separated by the feeding and screening module is input into the sand washing and cyclone module, and the sand washing and cyclone module is used for washing the sand mixture to separate fine sand and slurry; a flocculation and dosing module connected with the sand washing and cyclone module, so that the slurry separated by the sand washing and cyclone module is input into the flocculation and dosing module, and the flocculation and dosing module is used for flocculating the slurry to obtain thick slurry and supernatant; a solid-liquid separation module connected with the flocculation and dosing module, so that the thick slurry of the flocculation and dosing module is input into the solid-liquid separation module, and the solid-liquid separation module is used for filtering the thick slurry to obtain mud cake and clean water; 2. The engineered slurry integrated treatment system of claim 1, wherein, a spraying and feeding module connected with the flocculation and dosing module and the solid-liquid separation module, so that the supernatant of the flocculation and dosing module and the clean water of the solid-liquid separation module are input into the spraying and feeding module, and the spraying and feeding module is also connected with the feeding and screening module and the sand washing and cyclone module, so that the water of the spraying and feeding module is supplied to the feeding and screening module and the sand washing and cyclone module.

3. The engineered slurry integrated treatment system of claim 2, wherein, The feeding and screening module comprises a first vehicle body, a feeding hopper and a drum screen arranged on the first vehicle body, the feeding hopper is connected with the drum screen, and construction waste is input into the drum screen through the feeding hopper to be screened to obtain stone and sand mixture.

4. The engineered slurry integrated treatment system of claim 2, wherein, The feeding and screening module further comprises a feeder arranged on the first vehicle body, and the feeding hopper is connected with the drum screen through the feeder.

5. The engineered slurry integrated treatment system of claim 4, wherein, The feeding and screening module further comprises a material collecting transfer box arranged on the first vehicle body, the material collecting transfer box is connected with the drum screen, so that the sand mixture separated by the drum screen is input into the material collecting transfer box, and a stirrer is arranged on the material collecting transfer box to add water into the material collecting transfer box and stir the sand mixture by using the stirrer.

6. The engineered slurry integrated treatment system of claim 5, wherein, The sand washing and cyclone module comprises a second vehicle body, a spiral sand washer and a dehydration screen arranged on the second vehicle body, the spiral sand washer is connected with the material collecting transfer box through a pipeline, so that the water-stirred sand mixture is input into the spiral sand washer to be washed, the spiral sand washer is connected with the dehydration screen, so that the fine sand washed by the spiral sand washer is transported to the dehydration screen to be dehydrated, a cyclone tank is arranged at the bottom of the dehydration screen, a cyclone separator group is arranged on the cyclone tank, the spiral sand washer is connected with the cyclone tank, so that the waste liquid of the sand washed by the spiral sand washer is input into the cyclone tank and separated into slurry by the cyclone separator group. The sand washing and cyclone module further comprises a folding rotary fine sand belt conveyor arranged on the second vehicle body, the folding rotary fine sand belt conveyor is connected with the dehydration screen, so that the fine sand after dehydration is transported to a stockyard.

7. The engineered slurry integrated treatment system of claim 5, wherein, The flocculation dosing module comprises a third vehicle body, a horizontal flocculator and a dosing tank arranged on the third vehicle body, the horizontal flocculator is connected with the cyclone separator group through a pipeline, so that the cyclone mud is input into the horizontal flocculator, and the dosing tank is connected with the horizontal flocculator, so as to add reagent to the flocculation mud in the horizontal flocculator.

8. The engineered slurry integrated treatment system of claim 7, wherein, The solid-liquid separation module comprises a fourth vehicle body, a filter press and a mud cake belt conveyor arranged on the fourth vehicle body, the filter press is connected with the horizontal flocculator through a pipeline, so that the thick mud at the bottom of the horizontal flocculator is input into the filter press for compression, and the mud cake belt conveyor is connected with the filter press, so that the filter cake of the filter press is conveyed to the stockpile through the mud cake belt conveyor.

9. The engineered slurry integrated treatment system of claim 8, wherein, The spraying supply module comprises a fifth vehicle body and a clean water tank arranged on the fifth vehicle body, the clean water tank is connected with the aggregate transfer tank and the spiral sand washing machine through a pipeline, so as to supply water to the aggregate transfer tank and the spiral sand washing machine, and the clean water tank is also connected with the horizontal flocculator and the filter press through a pipeline, so that the supernatant flocculated by the horizontal flocculator and the clean water filtered by the filter press are input into the clean water tank.

10. The engineered slurry integrated treatment system of claim 9, wherein, The feeding and screening module further comprises a control room arranged on the first vehicle body, and the spraying supply module further comprises a generator set arranged on the fifth vehicle body.

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