Pumped storage power station artificial aggregate processing system and processing technology

Abstract

The application provides an artificial aggregate processing system and a processing technology for pumped storage power stations, and the processing system comprises a raw material bin, a rod feeding machine, a coarse crushing device, a mud removal sieve, a waste material pile, a semi-finished product material pile, a first screening device, a medium crushing and adjusting bin, a medium crushing device, a mixed material pile, a second screening device, a superfine crushing and adjusting bin, a superfine crushing device, a powder selecting machine, a powder tank, a first finished product material pile, a second finished product material pile, a third finished product material pile, a fourth finished product material pile, a fifth finished product material pile and a sixth finished product material pile. The system and the process are flexible to adjust, can meet the change of the demand of sand and stone at different stages according to the construction organization plan, adopt a full dry production process, avoid the problem that the water treatment system freezes in the low temperature season in some northern areas of China, reduce the pollution to the surrounding environment and save the investment, and cancel the mixing link of the traditional production process, and are more efficient and energy-saving.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of artificial aggregate processing of pumped storage power stations, and particularly relates to an artificial aggregate processing system and a processing process for pumped storage power stations. BACKGROUND

[0002] With the continuous development and popularization of renewable energy, pumped storage power stations play an important role as a clean energy technology, and higher requirements are put forward for the yield and quality of concrete aggregate, cushion material and transition material used for the construction of pumped storage power stations, and environmental protection.

[0003] The preparation of artificial aggregate for pumped storage power stations is usually designed according to the construction organization plan, and needs to meet the changes in the demand for sand and stone at different levels at different times. In some northern regions of China, the wet production process will not be able to produce due to freezing of the water treatment system in the low temperature season, the processing system has a short daily operation time, and the production scale needs to be increased to meet the concrete pouring strength requirements, resulting in increased investment. At the same time, the wet production process uses a large amount of water, which pollutes the surrounding environment and wastes resources.

[0004] According to the Design Specification for Asphalt Concrete Face Slabs and Core Walls of Earth and Rockfill Dams (NB / T11015-2022), the maximum particle size of the cushion material should not be greater than 80mm, and the content of the particle size less than 5mm (fine aggregate) should be 25% to 40%. The transition layer can be provided with 1 to 2 layers, the maximum particle size of the single layer or the first layer of transition material should not be greater than 80mm, the content of the particle size less than 5mm (fine aggregate) should be 25% to 40%, and the maximum particle size of the second layer of transition material should not be greater than 150mm, the content of the particle size less than 5mm (fine aggregate) should be 15% to 35%. The traditional production process usually produces five kinds of aggregate grading, i.e. 150mm to 80mm, 80mm to 40mm, 40mm to 20mm, 20mm to 5mm and less than 5mm, and then the different graded materials are mixed by mechanical equipment in proportion, which is easy to cause uneven mixing and difficult to meet the requirements of the permeability coefficient. SUMMARY

[0005] The first object of the present application is to provide an artificial aggregate processing system for pumped storage power stations to meet the changes in the demand for sand and stone at different levels at different times during the construction period of pumped storage power stations, and to be suitable for some northern regions with low temperature seasons; and to produce high-quality transition material and cushion material to eliminate the mixing step in the traditional production process, and to be more energy-efficient.

[0006] To this end, the above object of the present application is achieved by the following technical solutions:

[0007] A kind of artificial aggregate processing system of pumped storage power station, including raw material bin, stick feeder, coarse crushing equipment, mud removal screen, scrap pile, semi-finished product pile, first screening equipment, medium crushing adjusting bin, medium crushing equipment, mixing pile, second screening equipment, ultrafine crushing adjusting bin, ultrafine crushing equipment, powder concentrator, powder tank, first finished product pile, second finished product pile, third finished product pile, fourth finished product pile, fifth finished product pile, sixth finished product pile;

[0008] The raw material bin is used to feed the material with particle size not less than 150mm to the coarse crushing equipment through the stick feeder, and the crushed material is transported to the semi-finished product yard;

[0009] The raw material bin is used to feed the material with particle size less than 150mm to the mud removal screen;The mud removal screen is provided with two layers of screen meshes, from top to bottom, the screen hole sizes are 40mm and 10mm in turn;The material with particle size less than 10mm after screening of the mud removal screen is transported to the scrap pile, and the material with particle size not less than 10mm after screening of the mud removal screen is transported to the semi-finished product pile;

[0010] The first screening equipment is used to screen and grade the material crushed by the semi-finished product yard and the medium crushing equipment, and the first screening equipment is provided with three layers of screen meshes, from top to bottom, the screen hole sizes are 150mm, 80mm and 40mm in turn;

[0011] The medium crushing adjusting bin is used to receive the material with particle size not less than 40mm after grading and screening of the first screening equipment;

[0012] The medium crushing equipment is used to crush the material from the medium crushing adjusting bin, and the crushed material of the medium crushing equipment enters the first screening equipment;

[0013] The material with particle size less than 40mm after grading and screening of the first screening equipment is transported to the mixing pile;

[0014] The second screening equipment is used to screen and grade the material in the mixing pile, and the second screening equipment is provided with three layers of screen meshes, from top to bottom, the screen hole sizes are 20mm, 5mm and 3mm in turn;

[0015] The ultrafine crushing adjusting bin is used to receive the material with particle size not less than 5mm after screening of the second screening equipment;

[0016] The ultrafine crushing equipment is used to crush the material from the ultrafine crushing adjusting bin, and part of the crushed material of the ultrafine crushing equipment is transported to the mixing pile;

[0017] The powder concentrator is used to air separate the material with particle size less than 3mm after screening of the second screening equipment, for reducing the powder content, and whether to open can be selected according to the raw material lithology and aggregate quality requirements;

[0018] The powder tank is used for storing the stone powder after air separation by the powder separator;

[0019] The first finished material pile is used for storing the material with a particle size of 3mm-5mm after screening by the second screening device and the material with a particle size less than 3mm after air separation by the powder separator;

[0020] The second finished material pile is used for storing the material with a particle size of 5mm-20mm after screening by the second screening device;

[0021] The third finished material pile is used for storing the material with a particle size of 20mm-40mm after screening by the second screening device;

[0022] The fourth finished material pile is used for storing the material with a particle size of 40mm-80mm after screening by the first screening device and part of the material after crushing by the superfine crushing device, and the material in the fourth finished material pile is the first layer of transition material and cushion material; the material after crushing by the superfine crushing device is the continuously graded mixed material, and the fine aggregate content meets the requirements of the specification for the cushion material and the filter material less than 80mm, and can be transported to the fourth finished material pile together with the material of 80mm-40mm.

[0023] The fifth finished material pile is used for storing the material with a particle size of 40mm-80mm after screening by the first screening device;

[0024] The sixth finished material pile is used for storing the material with a particle size of 40mm-80mm after screening by the first screening device, the material with a particle size of 80mm-150mm and the material less than 40mm in the mixed material pile, and the material in the sixth finished material pile is the second transition material; the mixed material pile stores the continuously graded mixed material from the superfine crushing device and the continuously graded mixed material less than 40mm after screening by the first screening device, and the fine aggregate content of the continuously graded mixed material from the superfine crushing device is relatively high, and the fine aggregate content of the continuously graded mixed material less than 40mm after screening by the first screening device is relatively low, and the two meet the requirements after mixing. Therefore, a material taking point is arranged in the mixed material pile, and part of the material is transported to the sixth finished material pile together with the material of 150mm-80mm and 80mm-40mm after screening by the first screening device.

[0025] In addition to the above technical solutions, the present application can also adopt or combine the following technical solutions:

[0026] As a preferred technical solution of the present application, the coarse crushing device is a jaw crusher or an impact crusher.

[0027] As a preferred technical solution of the present application, the medium and fine crushing device is a cone crusher or an impact crusher.

[0028] As a preferred technical scheme of the present application: the ultrafine crushing equipment is a vertical shaft impact crusher, which can select "stone hitting stone" or "stone hitting iron" according to the lithology of raw materials.

[0029] The present application also has a purpose to provide a processing technology based on the artificial aggregate processing system of the pumped storage power station.

[0030] To this end, the above-mentioned purposes of the present application are achieved by the following technical scheme:

[0031] According to the processing technology of the artificial aggregate processing system of the pumped storage power station, the following steps are included:

[0032] The excavated materials are transported to the raw material bin by a self-unloading truck, and the raw material bin feeds the materials with a particle size of not less than 150 mm to the coarse crushing equipment through a rod bar feeder, and the crushed materials are transported to the semi-finished product stockyard; the materials with a particle size of less than 150 mm in the raw material bin are fed to the mud removal screen through the rod bar feeder, and the materials with a particle size of less than 10 mm after screening are transported to the waste material pile, and the materials with a particle size of not less than 10 mm after screening are transported to the semi-finished product stockyard;

[0033] The materials in the semi-finished product stockyard are transported to the first screening equipment, which is used for screening and grading the materials in the semi-finished product stockyard, and the materials with a particle size of less than 40 mm after screening and grading by the first screening equipment are transported to the mixed material pile, and the materials with a particle size of not less than 40 mm are partially transported to the finished product stockyard and partially transported to the medium-fine crushing equipment adjusting bin;

[0034] The medium-fine crushing equipment is used for crushing the materials from the medium-fine crushing adjusting bin, and the medium-fine crushing equipment and the first screening equipment constitute a closed-circuit crushing, and the crushed materials from the medium-fine crushing equipment enter the first screening equipment together with the materials in the semi-finished product stockyard for screening and grading;

[0035] The mixed material pile receives the materials with a particle size of less than 40 mm after screening and grading by the first screening equipment and the crushed materials from the ultrafine crushing equipment; the materials in the mixed material pile are partially transported to the second screening equipment and partially transported to the finished product stockyard;

[0036] The second screening equipment is used for screening and grading the materials in the mixed material pile, and the materials with a particle size of less than 3 mm after screening and grading by the second screening equipment are transported to the powder concentrator for air separation; the materials with a particle size of not less than 5 mm are partially transported to the ultrafine crushing adjusting bin and partially transported to the finished product stockyard; and the materials with a particle size between 3 mm and 5 mm are transported to the finished product stockyard;

[0037] The ultrafine crushing equipment is used for crushing the materials from the ultrafine crushing adjusting bin, and the crushed materials from the ultrafine crushing equipment are partially transported to the mixed material pile and partially transported to the finished product stockyard;

[0038] The material after air separation by the powder selecting machine is transported to a finished product pile, and the stone powder is transported to a powder tank for storage.

[0039] In addition to the above technical solutions, the application can also use or combine the following technical solutions:

[0040] As a preferred technical solution of the application: according to actual needs, the types and proportions of materials entering the medium and fine crushing equipment are adjusted, and 150mm-80mm and 80mm-40mm materials are selected to enter or partially enter the medium and fine crushing equipment.

[0041] As a preferred technical solution of the application: according to actual needs, the types and proportions of materials entering the ultra-fine crushing equipment are adjusted, and 40mm-20mm and 20mm-5mm materials are selected to enter or partially enter the ultra-fine crushing equipment.

[0042] In addition, the feeding, conveying and distributing of materials between the equipment in the application are carried out by a feeder, a belt conveyor, a guide chute and a distributing valve, and the stone powder is conveyed by air.

[0043] In addition, the crushing equipment can be adjusted by adjusting the opening size to adjust the material gradation.

[0044] The application provides a pumped storage power station artificial aggregate processing system and processing technology, which has the following beneficial effects:

[0045] 1) The pumped storage power station artificial aggregate processing system and processing technology provided by the application are flexible to adjust, and can meet the changes in the demand for aggregates of different levels at different periods according to the construction organization plan.

[0046] 2) The full-dry production process is adopted, which avoids the problem that the wet production process cannot be used in low-temperature seasons in some northern regions of China due to freezing of the water treatment system, reduces pollution to the surrounding environment, and saves investment. The stone powder produced by the dry process can be used as an admixture for asphalt concrete, can be sold externally, and the excess can be transported to a same-period slag field for treatment, and the mud-containing waste material can be used for site backfilling, which is easier to handle than the mud cake produced by the wet process.

[0047] 3) The transition material and the cushion material with a particle size of less than 40mm are selected from the graded mixture after crushing and screening, and then are transported to the finished product pile for mixing, which cancels the mixing link in the subsequent traditional production process, and is more efficient and energy-saving. DETAILED DESCRIPTION

[0048] Figure 1 The application provides a framework diagram of the pumped storage power station artificial aggregate processing system;

[0049] In the figure: 1, dump truck; 2, raw material bin; 3, rod bar feeder; 4, coarse crushing device; 5, mud removal screen; 6, waste material pile; 7, semi-finished material pile; 8, first screening device; 9, medium-fine crushing adjustment material bin; 10, medium-fine crushing device; 11, mixed material pile; 12, second screening device; 13, ultra-fine crushing adjustment material bin; 14, ultra-fine crushing device; 15, powder selecting machine; 16, powder tank; 17, first finished product material pile; 18, second finished product material pile; 19, third finished product material pile; 20, fourth finished product material pile; 21, fifth finished product material pile; 22, sixth finished product material pile. DETAILED DESCRIPTION

[0050] The application will be further described in detail with reference to the accompanying drawings and specific examples.

[0051] An artificial aggregate processing system of a pumped storage power station, that is, a full dry method processing system of concrete aggregate, cushion material, and transition material, includes a rod bar feeder 3, a coarse crushing device 4, a mud removal screen 5, a waste material pile 6, a semi-finished material pile 7, a first screening device 8, a medium-fine crushing adjustment material bin 9, a medium-fine crushing device 10, a mixed material pile 11, a second screening device 12, an ultra-fine crushing adjustment material bin 13, an ultra-fine crushing device 14, a powder selecting machine 15, a powder tank 16, a first finished product material pile 17, a second finished product material pile 18, a third finished product material pile 19, a fourth finished product material pile 20, a fifth finished product material pile 21, and a sixth finished product material pile 22.

[0052] The rod bar feeder 3 is provided with an opening of 150 mm to screen and feed the excavated raw material.

[0053] The coarse crushing device 4 crushes the material larger than 150 mm from the rod bar feeder 3.

[0054] The mud removal screen 5 is provided with two layers of screens with screen hole sizes of 40 mm and 10 mm from top to bottom to screen and grade the excavated raw material smaller than 150 mm from the rod bar feeder 3.

[0055] The waste material pile 6 is used to store the waste material smaller than 10 mm screened by the mud removal screen 5.

[0056] The semi-finished material pile 7 is used to store the material crushed by the coarse crushing device 4 and the material larger than 10 mm screened by the mud removal screen 5.

[0057] The first screening device 8 is provided with three layers of screens with screen hole sizes of 150 mm, 80 mm, and 40 mm from top to bottom to screen and grade the material from the semi-finished material pile 7 and the medium-fine crushing device 10.

[0058] The medium-fine crushing device 10 crushes the material larger than 40 mm screened by the first screening device 8.

[0059] The mixed material pile 11 is used to store the material crushed by the ultrafine crushing device 14 and the material less than 40 mm screened by the first screening device 8.

[0060] The second screening device 12 is provided with three layers of screens with the screen hole sizes being 20 mm, 5 mm and 3 mm from top to bottom, and is used to screen and grade the material from the mixed material pile 11.

[0061] The ultrafine crushing device 14 is used to crush the material greater than 5 mm screened by the second screening device 12.

[0062] The powder concentrator 15 is used to air separate the material less than 3 mm screened by the second screening device 12 to reduce the powder content.

[0063] The powder tank 16 is used to store the stone powder air separated by the powder concentrator 15.

[0064] The first finished product pile 17 is used to store the material of 5 mm to 3 mm screened by the second screening device 12 and the material less than 3 mm air separated by the powder concentrator 15.

[0065] The second finished product pile 18 is used to store the material of 20 mm to 5 mm screened by the second screening device 12.

[0066] The third finished product pile 19 is used to store the material of 40 mm to 20 mm screened by the second screening device 12.

[0067] The fourth finished product pile 20 is used to store the material of 80 mm to 40 mm screened by the first screening device 8 and the mixed material crushed by the ultrafine crushing device 14, i.e. the first layer of transition material and the cushion material.

[0068] The fifth finished product pile 21 is used to store the material of 80 mm to 40 mm screened by the first screening device 8.

[0069] The sixth finished product pile 22 is used to store the material of 150 mm to 80 mm and 80 mm to 40 mm screened by the first screening device 8 and the mixed material transported from the mixed material pile 11, i.e. the second layer of transition material.

[0070] The coarse crushing device 4 can adopt a jaw crusher or an impact crusher according to the processing scale and the lithology of the raw material.

[0071] The medium and fine crushing device 10 can adopt a cone crusher or an impact crusher according to the processing scale and the lithology of the raw material.

[0072] The ultrafine crushing device 14 is a vertical shaft impact crusher, and can select “stone hitting stone” or “stone hitting iron” according to the lithology of the raw material.

[0073] The powder content can be effectively reduced by the powder selecting machine 15, and whether to open the powder selecting machine 15 can be selected according to the lithology of the raw material and the quality requirement of the aggregate.

[0074] The first screening device 8 and the medium-fine crushing device 10 constitute a closed loop, and the proportion of the material of 150mm-80mm and 80mm-40mm entering the medium-fine crushing device 10 can be adjusted according to actual needs.

[0075] The second screening device 12 and the ultra-fine crushing device 14 constitute a closed loop, and the proportion of the material of 40mm-20mm and 20mm-5mm entering the ultra-fine crushing device 14 can be adjusted according to actual needs.

[0076] The material crushed by the ultra-fine crushing device 14 is a continuously graded mixture, and the fine aggregate content meets the requirements of the specification for cushion material and less than 80mm filter material, and can be transported to the fourth finished material pile 20 together with the material of 80mm-40mm.

[0077] The mixture pile 11 stores the continuously graded mixture from the ultra-fine crushing device 14 and the continuously graded mixture less than 40mm screened by the first screening device 8, and the fine aggregate content of the continuously graded mixture from the ultra-fine crushing device 14 is relatively high, and the fine aggregate content of the continuously graded mixture less than 40mm screened by the first screening device 8 is relatively low, and the mixture meets the requirements. Therefore, a material taking point is arranged in the mixture pile 11, and part of the material is transported to the sixth finished material pile 22 together with the material of 150mm-80mm and 80mm-40mm screened by the first screening device 8.

[0078] The feeding, conveying and distributing of the material between the devices are performed by the feeder, belt conveyor, guide chute and distributing valve, and the stone powder is conveyed by air.

[0079] The crushing devices can adjust the material gradation by adjusting the opening size.

[0080] Specifically, the above processing system processes by the following process:

[0081] The excavated raw material is transported to the raw material bin 2 by the dump truck 1, the 150mm opening rod feeder 3 is arranged below the raw material bin 2, the material larger than 150mm screened by the rod feeder 3 enters the coarse crushing device 4 for crushing, and the material crushed by the coarse crushing device 4 is stored in the semi-finished material pile 7; the material smaller than 150mm screened by the rod feeder 3 enters the mud removing screen 5, the mud removing screen 5 adopts a circular vibrating screen, and two layers of screen meshes of 40mm and 10mm are arranged, the material larger than 10mm after screening is stored in the semi-finished material pile 7, and the material smaller than 10mm is stored in the waste material pile 6.

[0082] The material in the semi-finished product stockpile 7 is transported by a conveying device to the first screening device 8 for screening and grading. The first screening device 8 uses a circular vibrating screen, which is provided with three layers of screens of 150 mm, 80 mm and 40 mm. After screening, the material larger than 150 mm enters the medium-fine crushing adjusting bin 9; the material of 150 mm to 80 mm enters the sixth finished product stockpile 22, and part of the material enters the medium-fine crushing adjusting bin 9 together with the material larger than 150 mm. The proportion of the material entering the medium-fine crushing adjusting bin 9 and the sixth finished product stockpile 22 can be adjusted according to actual needs; the material of 80 mm to 40 mm enters the medium-fine crushing adjusting bin 9 together with the material larger than 150 mm, and the rest of the material enters the sixth finished product stockpile 22, the fifth finished product stockpile 21 and the fourth finished product stockpile 20, respectively. The proportion of the material entering different stockpiles can be adjusted according to actual needs; and the material smaller than 40 mm enters the mixed stockpile 11.

[0083] The medium-fine crushing device 10 and the first screening device 8 form a closed circuit for circulating crushing and screening. The medium-fine crushing raw material bin 9 feeds the material to the medium-fine crushing device 10 through a feeder, and the crushed material enters the first screening device 8 together with the semi-finished product stockpile 7 for screening and grading.

[0084] The second screening device 12, the mixed stockpile 11 and the ultra-fine crushing device 14 form a closed circuit for circulating crushing and screening. The material in the mixed stockpile 11 enters the second screening device 12. The second screening device 12 uses a circular vibrating screen, which is provided with three layers of screens of 20 mm, 5 mm and 3 mm. After screening, the material larger than 20 mm is partially conveyed to the ultra-fine crushing adjusting bin 13 and partially enters the third finished product stockpile 19. The proportion of the material entering the stockpile and the bin can be adjusted according to actual needs; the material of 20 mm to 5 mm enters the second finished product stockpile 18, and part of the material enters the ultra-fine crushing adjusting bin 13 together with the material of 40 mm to 20 mm. The proportion of the material entering the stockpile and the bin can be adjusted according to actual needs; the material of 5 mm to 3 mm enters the first finished product stockpile 17; and the material smaller than 3 mm enters the powder concentrator 15, and the screened material enters the first finished product stockpile 17, and the stone powder is conveyed to the powder tank 16 for storage.

[0085] The material in the ultra-fine crushing adjusting bin 13 is fed into the ultra-fine crushing device 14 through a feeder. Part of the crushed material enters the fourth finished product stockpile 20 together with the material of 80 mm to 40 mm screened by the first screening device 8, and part of the material enters the mixed stockpile 11.

[0086] The mixed stockpile 11 stores the material smaller than 40 mm screened by the first screening device 8 and part of the mixed material crushed by the ultra-fine crushing device 14. Part of the material in the mixed stockpile 11 enters the sixth finished product stockpile, and part of the material enters the second screening device 12.

[0087] The above detailed description is merely exemplary in nature and is not intended to limit the application as described herein. Any modification or equivalent arrangement within the spirit or scope of the application should be considered to fall within the scope of the application.

Claims

1. A pumped storage power plant artificial aggregate processing system, characterized by: The artificial aggregate processing system of the pumped storage power station comprises a raw material bin, a rod bar feeder, a coarse crushing device, a mud removal screen, a waste material pile, a semi-finished product pile, a first screening device, a medium and fine crushing adjusting bin, a medium and fine crushing device, a mixing material pile, a second screening device, a super fine crushing adjusting bin, a super fine crushing device, a powder separator, a powder tank, a first finished product pile, a second finished product pile, a third finished product pile, a fourth finished product pile, a fifth finished product pile and a sixth finished product pile; The raw material bin is used for feeding the material with a particle size not less than 150 mm to the coarse crushing device through the rod bar feeder, and the crushed material is transported to the semi-finished product yard; The raw material bin is used for feeding the material with a particle size less than 150 mm to the mud removal screen through the rod bar feeder; the mud removal screen is provided with two layers of screens, and the screen hole sizes from top to bottom are 40 mm and 10 mm in sequence; the material with a particle size less than 10 mm after the screening of the mud removal screen is transported to the waste material pile, and the material with a particle size not less than 10 mm after the screening of the mud removal screen is transported to the semi-finished product pile; The first screening device is used for screening and grading the material crushed by the semi-finished product yard and the medium and fine crushing device, and the first screening device is provided with three layers of screens, and the screen hole sizes from top to bottom are 150 mm, 80 mm and 40 mm in sequence; The medium and fine crushing adjusting bin is used for receiving the material with a particle size not less than 40 mm after the grading and screening of the first screening device; The medium and fine crushing device is used for crushing the material from the medium and fine crushing adjusting bin, and the crushed material enters the first screening device; The material with a particle size less than 40 mm after the grading and screening of the first screening device is transported to the mixing material pile; The second screening device is used for screening and grading the material in the mixing material pile, and the second screening device is provided with three layers of screens, and the screen hole sizes from top to bottom are 20 mm, 5 mm and 3 mm in sequence; The super fine crushing adjusting bin is used for receiving the material with a particle size not less than 5 mm after the screening of the second screening device; The super fine crushing device is used for crushing the material from the super fine crushing adjusting bin, and part of the crushed material is transported to the mixing material pile; The powder separator is used for air separation of the material with a particle size less than 3 mm after the screening of the second screening device; The powder tank is used for storing the stone powder after the air separation of the powder separator; The first finished product pile is used for storing the material with a particle size between 3 mm and 5 mm after the screening of the second screening device and the material with a particle size less than 3 mm after the air separation of the powder separator; The second finished product pile is used for storing the material with a particle size between 5 mm and 20 mm after the screening of the second screening device; The third finished product pile is used for storing the material with a particle size between 20 mm and 40 mm after the screening of the second screening device; The fourth finished product pile is used for storing the material with a particle size between 40 mm and 80 mm after the screening of the first screening device and part of the material crushed by the super fine crushing device; The fifth finished product pile is used for storing the material with a particle size between 40 mm and 80 mm after the screening of the first screening device. The sixth finished product pile is used for storing the material with a particle size of 40 mm-80 mm, the material with a particle size of 80 mm-150 mm and the material with a particle size less than 40 mm in the mixed pile after being screened by the first screening device; The coarse crushing device is a jaw crusher or a impact crusher; The medium and fine crushing device is a cone crusher or a impact crusher.

2. The artificial aggregate processing system for pumped storage power plants according to claim 1, characterized in that: The ultra-fine crushing device is a vertical shaft impact crusher.

3. A processing technology of an artificial aggregate processing system of a pumped storage power station, using the artificial aggregate processing system of a pumped storage power station according to claim 1, characterized in that: The processing process comprises the following steps: The excavated material is transported to the raw material bin by a self-unloading truck, the material with a particle size not less than 150 mm is fed to the coarse crushing device by a rod bar feeder, and the crushed material is transported to the semi-finished product pile yard; the material with a particle size less than 150 mm in the raw material bin is fed to the mud removal screen by the rod bar feeder, the material with a particle size less than 10 mm after being screened by the mud removal screen is transported to the waste pile, and the material with a particle size not less than 10 mm is transported to the semi-finished product pile; The material of the semi-finished product pile is transported to the first screening device, the first screening device is used for screening and grading the material in the semi-finished product pile yard, the material with a particle size less than 40 mm after being screened and graded by the first screening device is transported to the mixed pile, and the material with a particle size not less than 40 mm is partially transported to the finished product pile and partially transported to the medium and fine crushing device adjusting bin; The medium and fine crushing device is used for crushing the material from the medium and fine crushing adjusting bin, the medium and fine crushing device and the first screening device constitute a closed-circuit crushing, and the crushed material of the medium and fine crushing device is transported to the first screening device together with the material of the semi-finished product pile for screening and grading; The mixed pile receives the material with a particle size less than 40 mm after being screened and graded by the first screening device and the material crushed by the ultra-fine crushing device; the material of the mixed pile is partially transported to the second screening device and partially transported to the finished product pile; The second screening device is used for screening and grading the material in the mixed pile, the material with a particle size less than 3 mm after being screened and graded by the second screening device is transported to the powder concentrator for air separation; the material with a particle size not less than 5 mm is partially transported to the ultra-fine crushing adjusting bin and partially transported to the finished product pile; and the material with a particle size of 3 mm-5 mm is transported to the finished product pile; The ultra-fine crushing device is used for crushing the material from the ultra-fine crushing adjusting bin, and the crushed material of the ultra-fine crushing device is partially transported to the mixed pile and partially transported to the finished product pile; The material after being air separated by the powder concentrator is transported to the finished product pile, and the stone powder is transported to a powder tank for storage.

4. The process of claim 3, wherein: According to actual needs, the types and proportions of the materials entering the medium and fine crushing device are adjusted, and all or part of the materials with a particle size of 150 mm-80 mm and 80 mm-40 mm enter the medium and fine crushing device.

5. The process of claim 3, wherein: According to actual needs, the types and proportions of the materials entering the ultra-fine crushing device are adjusted, and all or part of the materials with a particle size of 40 mm-20 mm and 20 mm-5 mm enter the ultra-fine crushing device.

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