CN216704627U - Building aggregate production system - Google Patents
Building aggregate production system Download PDFInfo
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- CN216704627U CN216704627U CN202123047237.XU CN202123047237U CN216704627U CN 216704627 U CN216704627 U CN 216704627U CN 202123047237 U CN202123047237 U CN 202123047237U CN 216704627 U CN216704627 U CN 216704627U
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Abstract
The utility model discloses a building aggregate production system which comprises a raw ore receiving pit, a coarse crushing workshop, a first transfer station, a semi-finished product adjusting bin, a screening workshop and a finished product bin which are sequentially connected, wherein a first underground gallery is arranged below the semi-finished product adjusting bin, the semi-finished product adjusting bin and the screening workshop are connected through the first underground gallery, a first air inlet and a first air outlet are formed in the first underground gallery, a first exhaust fan is arranged at the first air outlet, the air outlet end of the first exhaust fan is communicated with the semi-finished product adjusting bin, and a first spraying dust removal mechanism is arranged in the semi-finished product adjusting bin. The building aggregate production system has good dust removal effect, and can reduce dust and environmental pollution.
Description
Technical Field
The utility model relates to the technical field of building aggregate production, in particular to a building aggregate production system.
Background
At present, a building aggregate production system generally comprises a raw ore receiving pit, a coarse crushing workshop, a transfer station, a semi-finished product adjusting bin, a screening workshop and a finished product bin, wherein the raw ore receiving pit supplies raw materials for the coarse crushing workshop, the raw materials are conveyed to the semi-finished product adjusting bin through the transfer station after being coarsely crushed in the coarse crushing workshop, the semi-finished product after being adjusted by the semi-finished product adjusting bin is conveyed to the screening workshop again, and fine crushed products in the screening workshop are conveyed to the finished product bin through the transfer station. An underground gallery is generally arranged below the semi-finished product adjusting bin and used for removing dust before the semi-finished product enters a screening workshop, and the underground gallery is used for removing dust through a dust collector and is poor in dust removing effect. Moreover, the building aggregate production system can generate dust in all links in the production process, but a corresponding dust removal device is lacked, so that the dust is large and the environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a building aggregate production system which has good dust removal effect and can reduce dust and environmental pollution.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a building aggregate production system, includes the raw ore receiving pit, coarse crushing workshop, first transshipment station, semi-manufactured goods regulation feed bin, screening workshop and the finished product feed bin that connect gradually, the below of semi-manufactured goods regulation feed bin is equipped with first underground gallery, the feed bin is adjusted through first underground gallery connection with the screening workshop to semi-manufactured goods, be equipped with first air inlet and first gas outlet on the first underground gallery, first gas outlet department is equipped with first air exhauster, the feed bin intercommunication is adjusted with semi-manufactured goods to the end of giving vent to anger of first air exhauster, be equipped with first dust removal mechanism that sprays in the semi-manufactured goods regulation feed bin.
As a further improvement of the above technical solution:
and a second spraying dust removal mechanism is arranged above the raw ore receiving pit.
The coarse crushing workshop is connected with a first dust removal device.
Be equipped with vibrating feeder, breaker and totally enclosed baffle box in the coarse crushing workshop, vibrating feeder locates between the feed inlet of feed opening and breaker of raw ore receiving pit, be equipped with the sealed cowling between vibrating feeder and the breaker, the below of breaker is located to the totally enclosed baffle box, totally enclosed baffle box and first transshipment station intercommunication, sealed cowling and totally enclosed baffle box all are connected with first dust collector.
First dust collector includes first unit dust remover and first ash storage tank, sealed cowling and totally enclosed baffle box all communicate through the import of pipeline with first unit dust remover, the export of first unit dust remover passes through pipeline and first ash storage tank intercommunication.
Building aggregate production system still includes well fine crushing regulation feed bin, well fine crushing workshop and second transfer station, well fine crushing regulation feed bin is located in the screening workshop between the fine crushing product export and the well fine crushing regulation feed bin, the second transfer station is located between the discharge gate in well fine crushing workshop and the feed inlet of semi-manufactured goods regulation feed bin.
And the screening workshop is connected with a second dust removal device.
The second dust removal device comprises a second single dust remover and a second dust storage tank, and the screening workshop, the second single dust remover and the second dust storage tank are communicated in sequence through pipelines.
And a third single dust remover is arranged between the second dust storage tank and the middle fine crushing workshop, and an outlet of the third single dust remover is communicated with the second dust storage tank.
The utility model discloses a dust removal device for fine crushing and fine crushing, including well fine crushing regulation feed bin, second underground gallery, second air inlet and second gas outlet, second gas outlet department is equipped with the second air exhauster, the end of giving vent to anger and well fine crushing regulation feed bin intercommunication of second air exhauster, it sprays dust removal mechanism to be equipped with the third in the fine crushing regulation feed bin.
Compared with the prior art, the utility model has the advantages that:
according to the building aggregate production system, dust in the first underground gallery is pumped to the semi-finished product adjusting bin through the first exhaust fan, and is subjected to spray dust removal through the first spray dust removal mechanism in the semi-finished product adjusting bin. The first underground gallery achieves dry dust removal through the first exhaust fan, the semi-finished product adjusting bin achieves wet dust suppression through the first spraying dust removal mechanism, the building aggregate production system organically combines two dust control modes of wet dust suppression and dry dust suppression, and achieves separation of dry dust suppression and wet dust suppression from the region, so that breakdown of a dry dust removal system caused by wet spraying is effectively avoided, comprehensive dust treatment is achieved, arrangement is simple, and a dust removal effect is good. And the semi-finished product is dedusted in the first underground gallery and then is sent to a screening workshop, so that dust in the screening workshop is reduced, and environmental pollution is reduced.
According to the building aggregate production system, dust generated in the raw ore receiving pit in the feeding process is sprayed by the second spraying and dedusting mechanism, and then wet dust suppression is realized.
According to the building aggregate production system, the first dust removal device can timely absorb dust generated in the sealing cover and the fully-sealed guide chute, so that dust pollution is avoided.
Drawings
FIG. 1 is a schematic view of the construction of a construction aggregate production system of the present invention.
Fig. 2 is a schematic structural view of a semi-finished product adjustment bin and a first underground corridor of the construction aggregate production system of the present invention.
Fig. 3 is a schematic structural view of a raw ore receiving pit and a coarse crushing plant of the construction aggregate production system of the present invention.
Fig. 4 is a schematic structural view of the fine crushing adjustment bin and the second underground gallery of the construction aggregate production system of the present invention.
The reference numerals in the figures denote:
1. a raw ore receiving pit; 11. a second spray dust removal mechanism; 2. a coarse crushing workshop; 21. a vibrating feeder; 22. a crusher; 23. a fully-sealed guide chute; 24. a sealing cover; 3. a first transfer station; 4. a semi-finished product adjusting bin; 41. a first underground gallery; 411. a first air inlet; 412. a first air outlet; 413. a first exhaust fan; 42. a first spray dust removal mechanism; 5. screening a workshop; 51. a second dust removing device; 511. a second stand-alone dust collector; 512. a second ash storage tank; 513. a third stand-alone dust remover; 52. screening machine; 6. a finished product bin; 7. a first dust removing device; 71. a first stand-alone dust collector; 72. a first ash storage tank; 8. a medium fine crushing adjusting bin; 81. a second underground gallery; 811. a second air inlet; 812. a second air outlet; 813. a second exhaust fan; 82. a third spraying dust removal mechanism; 9. a medium fine crushing workshop; 91. a second transfer station.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 4 show an embodiment of the building aggregate production system of the present invention, which includes a raw ore receiving pit 1, a coarse crushing workshop 2, a first transfer station 3, a semi-finished product adjusting bin 4, a screening workshop 5 and a finished product bin 6 connected in sequence, wherein a first underground gallery 41 is provided below the semi-finished product adjusting bin 4, the semi-finished product adjusting bin 4 and the screening workshop 5 are connected through the first underground gallery 41, the first underground gallery 41 is provided with a first air inlet 411 and a first air outlet 412, the first air outlet 412 is provided with a first exhaust fan 413, an air outlet of the first exhaust fan 413 is communicated with the semi-finished product adjusting bin 4, and a first spraying dust removing mechanism 42 is provided in the semi-finished product adjusting bin 4.
In the building aggregate production system, dust in the first underground gallery 41 is pumped to the semi-finished product adjusting bin 4 through the first exhaust fan 413, and is sprayed and dedusted by the first spraying dedusting mechanism 42 in the semi-finished product adjusting bin 4. The first underground gallery 41 realizes dry dedusting through the first exhaust fan 413, the semi-finished product adjusting bin 4 realizes wet dust suppression through the first spraying dedusting mechanism 42, the building aggregate production system organically combines two dust control modes of wet dust suppression and dry dust suppression, and realizes dry dust removal and wet dust suppression separation from the region, so that the paralysis of a dry dedusting system caused by wet spraying is effectively avoided, the comprehensive dust treatment is realized, the arrangement is simple, and the dedusting effect is good. The semi-finished product is dedusted in the first underground gallery 41 and then sent to the screening workshop 5, so that dust in the screening workshop 5 is reduced, and environmental pollution is reduced.
In this embodiment, as shown in fig. 1 and 3, a second spraying dust removing mechanism 11 is arranged above the raw ore receiving pit 1. Dust generated in the feeding process in the raw ore receiving pit 1 is sprayed by the second spraying and dust removing mechanism 11 to realize wet dust suppression.
In the present embodiment, as shown in fig. 1 and 3, the rough grinding plant 2 is connected to a first dust removing device 7. The dust generated in the coarse crushing plant 2 during the production process is dedusted by the first dedusting device 7 in a dry method.
In this embodiment, as shown in fig. 3, a vibrating feeder 21, a crusher 22 and a hermetically sealed material guiding groove 23 are arranged in the coarse crushing workshop 2, the vibrating feeder 21 is arranged between a feed opening of the raw ore receiving pit 1 and a feed opening of the crusher 22, a sealing cover 24 is arranged between the vibrating feeder 21 and the crusher 22, the hermetically sealed material guiding groove 23 is arranged below the crusher 22, the hermetically sealed material guiding groove 23 is communicated with the first transfer station 3, and the sealing cover 24 and the hermetically sealed material guiding groove 23 are both connected with the first dust removing device 7. The raw ore in the raw ore receiving pit 1 passes through the feed opening and falls to vibrating feeder 21, carry to breaker 22 by vibrating feeder 21 again, be equipped with sealed cowling 24 between vibrating feeder 21 and the breaker 22, the dust that produces between messenger vibrating feeder 21 and the breaker 22 is sealed in sealed cowling 24, avoid the dust to the environmental impact in the coarse crushing workshop 2, the product after breaker 22 processing gets into totally enclosed baffle box 23, carry to first transfer station 3 by totally enclosed baffle box 23, transport to semi-manufactured goods regulation feed bin 4 by first transfer station 3 again. The first dust removing device 7 can timely absorb dust generated in the sealing cover 24 and the fully-sealed material guide groove 23, so that dust pollution is avoided.
In this embodiment, as shown in fig. 3, the first dust removing device 7 includes a first stand-alone dust remover 71 and a first dust storage tank 72, the sealing cover 24 and the fully-sealed material guiding chute 23 are both communicated with an inlet of the first stand-alone dust remover 71 through a pipeline, and an outlet of the first stand-alone dust remover 71 is communicated with the first dust storage tank 72 through a pipeline. The first single dust collector 71 timely extracts dust in the sealing cover 24 and the fully-sealed material guide chute 23, and conveys the dust to the first dust storage tank 72 for storage, so as to realize dry dust removal of the sealing cover 24 and the fully-sealed material guide chute 23.
In this embodiment, building aggregate production system still includes well fine crushing regulation feed bin 8, well fine crushing workshop 9 and second transfer station 91, and well fine crushing regulation feed bin 8 is located between the export of fine crushing product and well fine crushing regulation feed bin 8 in screening workshop 5, and second transfer station 91 is located between the discharge gate of well fine crushing workshop 9 and the feed inlet of semi-manufactured goods regulation feed bin 4. Specifically, screening machines 52 are arranged in the screening workshop 5, each screening machine 52 is provided with a plurality of grades of product outlets, each product outlet is provided with a fully-sealed guide chute 23, and a medium and fine crushed product outlet of the screening machine 52 guides the medium and fine crushed product into the medium and fine crushed product adjusting bin 8 through the corresponding fully-sealed guide chute 23 and the medium and fine crushed product adjusting bin 8. The second transfer station 91 can transfer the unqualified medium and fine crushed products in the medium and fine crushed workshop 9 to the semi-finished product adjusting bin 4 for processing again, so that the yield is improved, and the waste is reduced.
In this embodiment, the screening shop 5 is connected to a second dust removing device 51. The dust generated in the production process in the screening plant 5 is subjected to dry dust removal by the second dust removal device 51.
In this embodiment, the second dust removing device 51 includes a second single-machine dust remover 511 and a second dust storage tank 512, and the screening plant 5, the second single-machine dust remover 511, and the second dust storage tank 512 are sequentially communicated through a pipeline. The second single dust collector 511 timely extracts dust in the screening workshop 5, and conveys the dust to the second dust storage tank 512 for storage, so as to realize dry dust removal of the screening workshop 5.
In this embodiment, a third single dust collector 513 is disposed between the second dust storage tank 512 and the middle fine crushing plant 9, and an outlet of the third single dust collector 513 is communicated with the second dust storage tank 512. The third single dust remover 513 timely extracts and removes dust in the screening workshop 5, and conveys the dust to the second dust storage tank 512 for storage, so as to realize dry dust removal of the medium and fine crushing workshop 9.
In this embodiment, a second underground gallery 81 is arranged below the medium and fine crushing adjusting bin 8, the medium and fine crushing adjusting bin 8 and the medium and fine crushing workshop 9 are connected through the second underground gallery 81, a second air inlet 811 and a second air outlet 812 are arranged on the second underground gallery 81, a second air exhauster 813 is arranged at the second air outlet 812, an air outlet end of the second air exhauster 813 is communicated with the medium and fine crushing adjusting bin 8, and a third spraying and dedusting mechanism 82 is arranged in the medium and fine crushing adjusting bin 8. The dust in the second underground gallery 81 is pumped to the medium and fine crushing adjusting bin 8 through a second exhaust fan 813, and is sprayed and dedusted by a third spraying dedusting mechanism 82 in the medium and fine crushing adjusting bin 8. The second underground gallery 81 realizes dry dedusting through a second exhaust fan 813, the medium fine crushing adjusting bin 8 realizes wet dust suppression through a third spraying dedusting mechanism 82, the building aggregate production system organically combines two dust control modes of wet dust suppression and dry dust suppression, realizes dry dust removal and wet dust suppression separation from the region, effectively avoids paralysis of a dry dedusting system caused by wet spraying, and realizes comprehensive dust control, simple arrangement and good dedusting effect.
Transporting and discharging raw ore to a raw ore receiving pit 1 through a dump truck, and starting a first spraying dust removal mechanism 42 (a fog gun dust suppression system) at the top of the receiving pit to suppress discharging flying dust; the ore raw material is fed into a crusher 22 of the coarse crushing workshop 2 for crushing processing through a vibration feeder 21 (a bar feeder), and the crushed material is conveyed through an adhesive tape machine. A discharge hole of the vibrating feeder 21 and a feed hole of the crusher 22 are sealed by a sealing cover 24 to prevent dust from rising, a fully-sealed guide chute 23 is arranged at a feed opening position of the crusher 22 for conveying materials crushed by the crusher 22 to seal, so as to prevent falling dust of crushed aggregates, meanwhile, a first dust removal device 7 is arranged in the coarse crushing workshop 2, the sealing cover 24 and the fully-sealed guide chute 23 are connected with a first ash storage tank 72 through an ash conveying pipeline, and dust in the coarse crushing workshop 2 is subjected to centralized dust collection treatment by using a negative pressure dust collection principle; after the coarse crushing workshop 2 is crushed, the materials are conveyed to a semi-finished product adjusting bin 4 through a belt conveyor to be stacked, and a first spraying dust removal mechanism 42 (a fog gun dust suppression system) is arranged in the semi-finished product adjusting bin 4 to suppress the raised dust in the blanking process of the semi-finished product materials; semi-finished products are fed onto an adhesive tape machine through a vibrating feeder through a first underground gallery 41 and are conveyed to a screening workshop 5, the first underground gallery 41 belongs to a semi-sealed closed structure, air circulation is not smooth, the semi-finished product adjusting bin 4 is fed onto the adhesive tape machine through vibrating feeder to generate raised dust which is easy to gather, a dust-proof curtain is arranged at the outlet of the first underground gallery 41 to prevent the raised dust from overflowing, a first exhaust fan 413 is arranged at the tail part of the first underground gallery 41, the dust in the first underground gallery 41 is pumped and discharged into the semi-finished product adjusting bin 4 through a dust conveying pipe, a first spraying and dust removing mechanism 42 is adopted to suppress dust, meanwhile, a first air inlet 411 is arranged in the first underground gallery 41 and is communicated with the outside of the first underground gallery 41 to ensure that fresh natural air enters the first underground gallery 41 while dust is pumped and discharged, and the operation environment in the first underground gallery 41 is improved; according to the characteristics of material distribution, screening and transportation operation, a sealing cover is arranged at the top of a screening machine in a screening workshop 5, a fully-sealed material guide groove 23 is formed in a discharging adhesive tape machine to respectively and fully seal the upper part and the lower part of the screening machine and prevent dust from overflowing, a second dust removal device 51 is arranged in the screening workshop 5, a second single dust remover 511 of the second dust removal device 51 is connected with a second dust storage tank 512 through a dust conveying pipeline, and dust generated in the feeding and discharging processes of the screening workshop 5 is collected and treated in a centralized manner by utilizing a negative pressure principle; the materials are classified by a screening workshop 5, the materials larger than 26.5mm are conveyed to a middle and fine crushing workshop 9 for crushing by an adhesive tape machine, a sealing cover 24 is also arranged at the feed inlet of the fine crusher in the middle and fine crushing workshop 9, a fully-sealed guide chute 23 is arranged on a discharge outlet conveying adhesive tape machine for sealing, dust raising in the aggregate crushing and falling links is prevented, meanwhile, a third single-machine dust remover 513 is arranged in the middle and fine crushing workshop 9, the corresponding sealing cover 24 and the fully-sealed guide chute 23 are connected with a second dust storage tank 512 through dust conveying pipelines by the third single-machine dust remover 513, and dust in the middle and fine crushing workshop 9 is subjected to centralized dust collection treatment by using a negative pressure dust collection principle; materials of 5-26.5mm and less than 5mm which are sieved and graded in a sieving workshop 5 are respectively conveyed to a finished product bin 6 through a belt conveyor to be stocked, and the finished product bin 6 is provided with a fog gun dust suppression system to suppress dust in the blanking process of the finished product materials; finished products are fed to a sealing tape machine through a finished product underground gallery through a vibrating feeder 21 of the finished product underground gallery and are transported outwards, the finished product underground gallery belongs to a semi-sealed closed structure, air circulation is not smooth, the finished product bin 6 is fed to the sealing tape machine through vibration feeding of the finished product bin 6 to generate raised dust which is easy to gather, dust separation curtains are arranged at the outlet and the middle of the finished product underground gallery to prevent the raised dust from overflowing, dust exhaust fans are arranged at the tail part and the middle part of the finished product underground gallery, dust in the finished product underground gallery is extracted and exhausted into the finished product bin 6 through a dust conveying pipe, a fog gun dust suppression system is adopted to suppress the dust, and a ventilation pipe is arranged in the finished product underground gallery and is communicated with the outside of the finished product underground gallery to ensure that fresh natural wind enters the finished product underground gallery at the same time of extracting and exhausting the dust, so that the working environment in the finished product underground gallery is improved; in the transportation process of the belt conveyor, a transfer station is required to be arranged according to the characteristics of a processing technology, the belt conveyor in the transfer station transfers, aggregate falls to generate dust easily, a fully-sealed guide chute 23 is arranged at the head part of an upper belt conveyor and the tail part of a lower belt conveyor in the transfer station, a sealing cover 24 is arranged at the blanking point of the upper belt conveyor, the dust generated in the belt conveyor transfer falling link is fully sealed, meanwhile, a dust remover is arranged in the transfer station and is respectively connected with the fully-sealed guide chute 23 of the upper belt conveyor, the sealing cover and the fully-sealed guide chute 23 of the lower belt conveyor through a dust conveying pipeline, collected dust is intensively discharged onto the lower belt conveyor, and dust suppression in the transfer process is realized.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides a building aggregate production system, includes that the raw ore that connects gradually receives feed pit (1), coarse crushing workshop (2), first transshipment station (3), semi-manufactured goods to adjust feed bin (4), screening workshop (5) and finished product feed bin (6), the below that feed bin (4) were adjusted to semi-manufactured goods is equipped with first underground gallery (41), its characterized in that is connected through first underground gallery (41) in feed bin (4) and screening workshop (5) are adjusted to semi-manufactured goods: be equipped with first air inlet (411) and first gas outlet (412) on first underground gallery (41), first gas outlet (412) department is equipped with first air exhauster (413), feed bin (4) intercommunication is adjusted with semi-manufactured goods to the end of giving vent to anger of first air exhauster (413), be equipped with first spraying dust removal mechanism (42) in semi-manufactured goods are adjusted feed bin (4).
2. The building aggregate production system of claim 1, wherein: and a second spraying and dedusting mechanism (11) is arranged above the raw ore receiving pit (1).
3. The building aggregate production system of claim 1, wherein: the coarse crushing workshop (2) is connected with a first dust removal device (7).
4. The building aggregate production system of claim 3, wherein: be equipped with vibrating feeder (21), breaker (22) and totally enclosed baffle box (23) in coarse crushing workshop (2), vibrating feeder (21) are located between the feed inlet of feed opening and breaker (22) of raw ore receiving pit (1), be equipped with sealed cowling (24) between vibrating feeder (21) and breaker (22), the below of breaker (22) is located in totally enclosed baffle box (23), totally enclosed baffle box (23) and first transshipment station (3) intercommunication, sealed cowling (24) and totally enclosed baffle box (23) all are connected with first dust collector (7).
5. The building aggregate production system of claim 4, wherein: the first dust removal device (7) comprises a first single dust remover (71) and a first dust storage tank (72), the sealing cover (24) and the fully-sealed guide chute (23) are communicated with an inlet of the first single dust remover (71) through a pipeline, and an outlet of the first single dust remover (71) is communicated with the first dust storage tank (72) through a pipeline.
6. The building aggregate production system according to any one of claims 1 to 5, wherein: building aggregate production system still includes well fine crushing regulation feed bin (8), well fine crushing workshop (9) and second transfer station (91), well fine crushing regulation feed bin (8) are located in screening workshop (5) between fine crushing product export and well fine crushing regulation feed bin (8), second transfer station (91) are located between the discharge gate of well fine crushing workshop (9) and the feed inlet of semi-manufactured goods regulation feed bin (4).
7. The building aggregate production system of claim 6, wherein: and the screening workshop (5) is connected with a second dust removal device (51).
8. The building aggregate production system of claim 7, wherein: the second dust removal device (51) comprises a second single dust remover (511) and a second dust storage tank (512), and the screening workshop (5), the second single dust remover (511) and the second dust storage tank (512) are communicated sequentially through pipelines.
9. The building aggregate production system of claim 8, wherein: and a third single dust remover (513) is arranged between the second dust storage tank (512) and the middle fine crushing workshop (9), and an outlet of the third single dust remover (513) is communicated with the second dust storage tank (512).
10. The building aggregate production system of claim 6, wherein: the below of well fine crushing regulation feed bin (8) is equipped with second underground gallery (81), well fine crushing regulation feed bin (8) and well fine crushing workshop (9) are connected through second underground gallery (81), be equipped with second air inlet (811) and second gas outlet (812) on second underground gallery (81), second gas outlet (812) department is equipped with second air exhauster (813), the end of giving vent to anger of second air exhauster (813) is with well fine crushing regulation feed bin (8) intercommunication, be equipped with the third in well fine crushing regulation feed bin (8) and spray dust removal mechanism (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123047237.XU CN216704627U (en) | 2021-12-06 | 2021-12-06 | Building aggregate production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123047237.XU CN216704627U (en) | 2021-12-06 | 2021-12-06 | Building aggregate production system |
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| CN216704627U true CN216704627U (en) | 2022-06-10 |
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| CN202123047237.XU Active CN216704627U (en) | 2021-12-06 | 2021-12-06 | Building aggregate production system |
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2021
- 2021-12-06 CN CN202123047237.XU patent/CN216704627U/en active Active
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