CN211246885U

CN211246885U - Grit aggregate self sealss environmental protection production line

Info

Publication number: CN211246885U
Application number: CN201921811672.5U
Authority: CN
Inventors: 张永
Original assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Current assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-08-14
Anticipated expiration: 2029-10-26

Abstract

The self-sealing environment-friendly production line for the sandstone aggregate effectively solves the problems that the existing production line for the sandstone aggregate is large in pollution, not easy to install and high in manufacturing cost; the production line comprises a raw material bin, a feeding machine, a crusher, a vibrating screen and a finished product bin, wherein the feeding machine is connected with a discharge port of the raw material bin, the crusher is connected with a feed port of the feeding machine, a discharge port of the crusher is connected with a feed port of the vibrating screen, the production line also comprises a sealing conveying device, the sealing conveying device is connected with the crusher, the vibrating screen and the finished product bin, and the vibrating screen is provided with a self-sealing structure so that a closed space is formed among the crusher, the vibrating screen and the finished product bin; the utility model discloses can be pollution-free carry out processing to the grit aggregate, and whole production line easily installs and produces, and production low in manufacturing cost.

Description

Grit aggregate self sealss environmental protection production line

Technical Field

The utility model relates to a grit aggregate production technical field, in particular to grit aggregate self sealss environmental protection production line.

Background

The production line of sand and stone aggregate is a special production line equipment for producing building sand and stone, and in raw material factories of road building, building and the like, the production line common to sand and stone is often needed. The sand-stone production line is a special production line device for producing building sand and stone materials, can make rock, sand stone, cobble and other materials into various granularities meeting the requirement of the building sand, and the sand made by the sand-stone aggregate production line has uniform granularity and high compressive strength, far better meets the building requirement than the sand produced by natural sand and a common hammer type sand beater, and can improve the building quality.

In the working process of the sandstone aggregate production line, large stones are uniformly fed into a jaw crusher or a hammer crusher through a vibration feeder by a bin for coarse crushing, the stones after coarse crushing are fed into the crusher by a belt conveyor for fine crushing, the stones after fine crushing are fed into a vibrating screen by the belt conveyor for screening, and the finished sand is fed into a finished product pile by the belt conveyor; and (3) conveying the large-particle stone materials to the crusher by the belt conveyor for secondary fine crushing, and conveying the secondarily fine crushed stone materials to the vibrating screen by the belt conveyor for screening, so that a closed cycle is formed for multiple times.

However, the crushing equipment, the screening equipment and the belt conveyor in the existing gravel aggregate production line are exposed to the air, the crushed stones can generate a large amount of dust, the dust overflows in the crushing, transporting and screening processes, and the environment is seriously damaged, so that a closed production line is generated, the production line adopts the steps that the crushing machine, the screening machine and other equipment are placed in corresponding buildings, corresponding metal corridors are built to connect the buildings, and the belt conveyor is placed in the metal corridors, so that a closed crushing environment is formed, measures are taken for dust pollution, but the required environmental protection requirements are far from being met, because the crushing machine can generate a large amount of dust during crushing, a section of material pouring groove is usually arranged between the crushing machine and the conveying belt, and the crushed materials are continuously conveyed outwards by the conveyor, the dust amount is larger, although the dust collector collects dust through sealing of the rubber belt, the dust is difficult to collect completely due to more air leakage places, and the dust pollution generated by the vibrating screen during material screening is more. This traditional grit aggregate production line not only will drop into a large amount of materials and seal conveyer and shale shaker for reaching the environmental protection requirement, but also needs many powerful dust removers, nevertheless still can not reach fine effect, dust pollution not only can the contaminated air, influences operating personnel's health, but also needs a large amount of labours to clear up the dust that falls on the ground, makes this kind of metal system corridor need a large amount of metals moreover, and manufacturing cost is high.

Therefore, a self-sealing production line for sand aggregate is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a grit aggregate self sealss environmental protection production line, the effectual current grit aggregate production line of having solved pollutes big, difficult installation and the high problem of manufacturing cost.

The technical scheme of its solution is, the utility model discloses a former feed bin, batcher, breaker, shale shaker and finished product material storehouse, the batcher is connected with the bin outlet in former feed bin, the breaker is connected with the feed inlet of batcher, the discharge gate of breaker is connected with the feed inlet of shale shaker, a grit aggregate self sealss environmental protection production line still includes sealed conveyor, sealed conveyor and breaker, shale shaker and finished product material storehouse are connected, the shale shaker has from seal structure, make and form inclosed space between breaker, shale shaker and the finished product material storehouse.

Preferably, the sealed conveying device comprises a first sealed conveyor connected with the discharge port of the crusher and the feed port of the vibrating screen, a second sealed conveyor connected with the first discharge port of the vibrating screen and the raw material bin, and a third sealed conveyor connected with the second discharge port of the vibrating screen and the finished material bin.

Preferably, grit aggregate self sealss environmental protection production line still includes the fine crusher, sealed conveyor is including connecting the first sealed conveyer of connecting breaker discharge gate and shale shaker feed inlet, the third sealed conveyer of connecting shale shaker second discharge gate and finished product material storehouse, the fourth sealed conveyer of connecting the first discharge gate of shale shaker and fine crusher feed inlet and the fifth sealed conveyer of connecting fine crusher discharge gate and finished product material storehouse.

Preferably, the second sealing conveyor and the third sealing conveyor have the same structure as the first sealing conveyor.

Preferably, the second sealing conveyor, the third sealing conveyor, the fourth sealing conveyor and the fifth sealing conveyor have the same structure as the first sealing conveyor.

Preferably, the connection mode of the vibrating screen with the self-sealing structure and the sealing conveying device is movable sealing connection.

Preferably, the movable sealing connection is a flexible connection.

Preferably, the lower end of the crusher is provided with a discharge hopper, and the discharge hopper is connected with the sealed conveying device.

Preferably, grit aggregate self sealss environmental protection production line still includes the dust remover, and the dust remover is connected with first sealed conveyer.

Preferably, a sealing flange is arranged on the finished product warehouse.

The utility model has the advantages that: the utility model discloses can be pollution-free carry out processing to the grit aggregate, and whole production line easily installs and produces, and production low in manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the sealing conveyor of the present invention.

Fig. 3 is a cross-sectional view of the first sealing conveyor 6 of the present invention when the top cover is closed.

Fig. 4 is a sectional view of the first sealing conveyor 6 according to the present invention when the top cover is opened.

Fig. 5 is an enlarged view of a in fig. 2 according to the present invention.

Fig. 6 is a schematic structural view of the vibrating screen 4 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the sandstone aggregate self-sealing environment-friendly production line provided in the present embodiment mainly includes a raw material bin 1, a feeder 2, a crusher 3, a vibrating screen 4 and a finished product bin 5, wherein the feeder 2 is connected with a discharge port of the raw material bin 1, the crusher 3 is connected with a feed port of the feeder 2, a discharge port of the crusher 3 is connected with a feed port of the vibrating screen 4, in order to meet the requirement of self-sealing of the production line, the sandstone aggregate self-sealing environment-friendly production line further includes a sealing conveyor device, the sealing conveyor device is connected with the crusher 3, the vibrating screen 4 and the finished product bin 5, that is, the sealing conveyor is respectively connected with the discharge port of the crusher 3, the feed port of the vibrating screen 4, the discharge port of the vibrating screen 4 and the feed port of the finished product bin 5, the vibrating screen 4 has a self-sealing structure, a sealed space is formed between the crusher 3, the vibrating screen 4 and the, the working space between the gravel aggregate entering the crusher 3 and crushed until the gravel aggregate is sent into the finished product warehouse 5 is kept sealed, and dust in the secondary working space cannot fly out.

To the production preparation technology of current grit aggregate, mutually independent during shale shaker 4 and the sealed conveyor, as general conception, carry out the production line, sealed conveyer and have from sealed shale shaker 4 of close structure three in one's comprehensive design, the production procedure is simplified, the leakproofness is outstanding, the dust polluted environment that produces when avoiding grit aggregate production that can be very big, will seal the conveyor and set up the corridor outside sealed conveyor, the use of the metal of reduction, economical and practical has more outstanding market prospect and space.

As shown in fig. 1, the sand-aggregate self-sealing environment-friendly production line provided by the present embodiment includes a first sealing conveyor 6 connecting a discharge port of a crusher 3 and a feed port of a vibrating screen 4, a second sealing conveyor 7 connecting the first discharge port of the vibrating screen 4 and a raw material bin 1, and a third sealing conveyor 8 connecting the second discharge port of the vibrating screen 4 and a finished material bin 5, wherein the raw material in the raw material bin 1 is fed into the crusher 3 through a feeder 2 for crushing, the crushed material is fed into the vibrating screen 4 through the first sealing conveyor 6 for screening, the volume of the material led out from the first discharge port of the vibrating screen 4 is larger than that of the material led out from the second discharge port, the first sealing conveyor 6 is used for conveying the material crushed by the crusher 3 into the vibrating screen 4, the sand separated by the vibrating screen 4 enters the second sealing conveyor 7 and the third sealing conveyor 8, the second sealing conveyor 7 is used for re-feeding the materials (larger than 5 mm) which are screened out by the vibrating screen 4 and do not meet the requirement into the raw material warehouse for secondary crushing, and the third sealing conveyor 8 is used for feeding the materials (smaller than 5 mm) which are screened out by the vibrating screen 4 and meet the requirement into the finished product warehouse 5 for storage.

The raw materials in the raw material bin 1 are sent into a crusher 3 through a feeder 2 to be crushed, the crushed materials are sent into a vibrating screen 4 through a first sealing conveyor 6 to be screened,

in another preferred embodiment of the sealed conveying device, the gravel aggregate self-sealing environment-friendly production line further comprises a fine crusher, and the fine crusher has better crushing and shaping effects on materials with small volume, the sealed conveying device comprises a first sealed conveyor 6 connecting a discharge port of the crusher 3 and a feed port of the vibrating screen 4, a third sealed conveyor 8 connecting a second discharge port of the vibrating screen 4 and the finished product warehouse 5, a fourth sealed conveyor connecting the first discharge port of the vibrating screen 4 and the feed port of the fine crusher, and a fifth sealed conveyor connecting the discharge port of the fine crusher and the finished product warehouse 5, raw materials in the raw material warehouse 1 are conveyed into the crusher 3 through the feeder 2 to be crushed, the crushed materials are conveyed into the vibrating screen 4 through the first sealed conveyor 6 to be sieved, the first sealed conveyor 6 is used for conveying the materials crushed by the crusher 3 into the vibrating screen 4, the fourth sealed conveyor is used for sending the materials (more than 5 mm) which are screened out by the vibrating screen 4 and do not meet the requirement into the fine crusher for secondary crushing, and the third sealed conveyor 8 and the fifth sealed conveyor are used for sending the materials (less than 5 mm) which are screened out by the vibrating screen 4 and meet the requirement and the materials (less than 5 mm) which are subjected to secondary crushing into the finished product material warehouse 5 for storage.

Specifically, the second sealing conveyor 7 and the third sealing conveyor 8 have the same structure as the first sealing conveyor 6, and the second sealing conveyor 7 and the third sealing conveyor 8 are different from the first sealing conveyor 6 only in installation direction, installation position, and length.

In another preferred embodiment with respect to the first sealing conveyor 6, the second sealing conveyor 7, the third sealing conveyor 8, the fourth sealing conveyor and the fifth sealing conveyor are identical in construction to the first sealing conveyor 6, and the second sealing conveyor 7, the third sealing conveyor 8, the fourth sealing conveyor and the fifth sealing conveyor differ only in mounting direction, mounting position and length from the first sealing conveyor 6.

The connection mode of the vibrating screen 4 with the self-sealing structure and the sealing and conveying device is movable sealing connection, so that the vibrating screen 4 can still keep good sealing performance between the vibrating screen 4 and the sealing and conveying device under the condition of vibration.

The movable sealing connection is a flexible connection, namely, a discharge hole of the vibrating screen 4 and a feed hole of the sealing conveying device are connected through a flexible pipe, and the flexible pipe can be a rubber pipe or a cloth bag.

In addition, the lower end of the crusher 3 is provided with a discharge hopper 9, the discharge hopper 9 is connected with a sealed conveying device, materials are easy to convey, and the crusher 3 is kept in sealed connection through a flange of the discharge hopper 9 arranged on the discharge hopper 9.

In addition, grit aggregate self sealss environmental protection production line still includes dust remover 10, and dust remover 10 is connected with first sealed conveyer 6, makes and keeps the negative pressure in the first sealed conveyer 6, and the position that dust remover 10 is connected with first sealed conveyer 6 is located near breaker 3 and the first sealed conveyer 6 hookup location, can furthest remove dust to the position that raises the ash the most seriously.

In practical application, a sealing flange is arranged on the finished product warehouse 5 and is used for being connected with a sealing conveying device in a sealing mode.

In the present embodiment, as shown in fig. 2 to 5, for convenience of installation and maintenance, the first sealing conveyor 6 includes a bottom plate 11, a first vertical side plate 12, a second vertical side plate 13, and a top plate 14 are disposed on the bottom plate 11, the first vertical side plate 12, the second vertical side plate 13, and the top plate 14 are hermetically connected to form a sealed space, a conveying feed port 15 is disposed on the top plate 14, a conveying discharge port 16 is disposed at one end of the bottom plate 11, the first vertical side plate 12 and the second vertical side plate 13 are disposed at front and rear ends of the bottom plate 11, an access cover 17 is disposed on the top plate 14, one end of the access cover 17 is rotatably mounted on the top plate 14, the inside of the first sealing conveyor 6 can be inspected by lifting the access cover 17, the first sealing conveyor 6 can maintain a sealed state by lowering the access cover 17, in order to maintain the sealing performance between the access cover 17 and the top plate 14, the top plate 14 or the access cover 17 can be further provided with a sealing strip, and a conveyor belt 18 for conveying the materials entering from the conveying inlet 15 to the conveying outlet 16 is further arranged in the first sealing conveyor 6.

Generally, in order to enable the conveyor belt 18 to run, a plurality of supporting devices are arranged between the first side plate 12 and the second side plate 13, each supporting device comprises an idler bracket 19 mounted on the first side plate 12 and the second side plate 13, an upper idler 20 and a lower idler 21 are respectively arranged at the upper end and the lower end of each idler bracket 19, each lower idler 21 is mounted on each idler bracket 19 through a first supporting arm, and the conveyor belt 18 is mounted on each upper idler 20 and each lower idler 21.

Specifically, the upper carrier roller 20 comprises a first carrier roller 22 arranged in parallel with the bottom plate 11, and a second carrier roller 23 and a third carrier roller 24 obliquely arranged at two ends of the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24 are mounted on the carrier roller bracket 19 through second support arms, the transmission belt is tightly attached to the upper ends of the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24, and an inverted trapezoid is formed among the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24 to prevent the materials falling on the transmission belt 18 from spilling out.

It should be noted that the lower ends of the second idler 23 and the third idler 24 are provided with buckles 25, and the buckles 25 are mounted on the idler bracket 19 and used for connecting the first idler 22, the second idler 23 and the third idler 24 and fixing the positions of the first idler 22, the second idler 23 and the third idler 24.

In addition, the conveying discharge port 16 and the conveying feed port 15 are respectively a conveying discharge port 16 flange and a conveying feed port 15 flange, so that the joint of the sealed conveying device and the sieving machine and the leveling warehouse is sealed.

Specially, the access cover 17 rotates and installs on first curb plate 12 or second curb plate 13, can expose sealed conveyer's inside through lifting access cover 17, conveniently maintain, be equipped with division board 26 between per two adjacent access cover 17, division board 26 installs on first curb plate 12 and second curb plate 13, division board 26 plays the effect of supporting access cover 17, it not only can keep sealed to set up the sealing strip respectively in division board 26's both sides, and can reduce wearing and tearing between two adjacent access cover 17, and service life is prolonged.

In addition, first sealing conveyer 6 is still including setting up maintenance pavement 28 at bottom plate 11 lower extreme, and the width of maintenance pavement 28 is greater than the width of bottom plate 11, makes the both ends that stretch out bottom plate 11 of maintenance pavement 28 form the pavement, and bottom plate 11, first side board 12 and second side board 13 are installed in maintenance pavement 28 upper end, and the both ends of maintenance pavement 28 are equipped with vertical railing 29, are equipped with a plurality of maintenance side doors 27 on first side board 12 or the second side board 13.

It should be noted that the first sealing conveyor 6 further includes a scraper conveyor, the scraper conveyor includes a scraper 30 slidably disposed on the upper side of the bottom plate 11, the lower end of the scraper 30 abuts against the upper end of the bottom plate 11 of the first sealing conveyor 6, and is used for scraping the material on the bottom plate 11 into the discharge hole, and the scraper 30 intermittently moves on the bottom plate.

Specifically, in order to drive the scraper 30 to intermittently move on the bottom plate 11, the scraper conveyor further comprises a first rotating shaft 31 and a second rotating shaft 32 which are respectively arranged at two ends of the bottom plate 11, the first rotating shaft 31 and the second rotating shaft 32 are respectively provided with a corresponding motor to drive the first rotating shaft 31 or the second rotating shaft 32 to rotate, the first rotating shaft 31 and the second rotating shaft 32 are respectively provided with a plurality of first rope wheels and a plurality of second rope wheels, the first rope wheels and the second rope wheels are provided with a transmission rope, the transmission rope can be a steel wire rope, the scraper 30 is arranged on the transmission rope, namely when the transmission rope is intermittently controlled by the motor to move, the scraper 30 intermittently slides on the bottom plate 11 along with the movement of the transmission rope, so that the material on the bottom plate 11 is cleaned up.

In the actual installation and manufacturing process, because the actual sandstone aggregate is processed in a mountain area, and a production line and the difficulty thereof are installed in the mountain area, according to the actual investigation and measurement of a processing field, the bottom plate 11, the first side plate 12, the second side plate 13, the top plate 14, the conveyor belt 18 and other parts can be preferentially processed to proper sizes and quantities in a processing factory, the parts are transported to the processing field and directly combined and installed, the production line can be quickly and conveniently combined and installed on the processing field, a large amount of labor and material costs can be saved, and the economic prospect is good.

In this embodiment, a self-sealing type screening device is preferably used, as shown in fig. 6, the vibrating screen 4 includes a screen box 33, a discharge end 35 and a feed end 34, the screen box 33 is a sealed box body, sealing plates are respectively added to the upper end and the left and right ends of the existing common screen box 33, an inclined multi-layer screen 36 is arranged in the screen box 33, the mesh diameter of the multi-layer screen 36 is sequentially reduced from top to bottom, the feed end 34 is installed at the upper end of the screen box 33, the discharge end 35 is arranged at the joint of the lower end of the multi-layer screen 36 and the screen box 33, and the material screened by the multi-layer screen 36 is shunted and guided out.

Preferably, a plurality of discharging layers 37 are arranged in the discharging end 35, the discharging layers 37 are connected with the plurality of layers of screens 36, that is, a blanking cavity is formed between every two layers of screens 36, and the blanking cavity of each layer is connected with the discharging layer 37.

In practical application, the discharge end 35 and the feed end 34 are respectively provided with a discharge end 35 flange and a feed end 34 flange for being connected with the sealed conveying device in a sealing manner.

In addition, in order to provide an exciting force to the vibration sieve 4, the vibration sieve 4 further includes an exciter 38, and the exciter 38 is mounted on the sealed case.

In addition, the vibrating screen 4 further comprises a supporting base 39, the height of the supporting base is adjustable, and the screen box 33 is movably mounted on the supporting base 39.

Of course, it can be understood by those skilled in the art that the sealed conveying device and the vibrating screen 4 with the self-sealing structure can be used in an assembly mode or a separate mode, and are not limited to the production line.

Specifically, the upper end of the supporting base 39 is provided with a plurality of supporting shafts 40, the upper end of the supporting shafts 40 is provided with a plurality of springs 41, and the sealed box body is provided with a plurality of spring seats 42 connected with the springs 41.

Specially, the left end of shale shaker 4 is equipped with the observation door, the observation door is convertible structure, opens the condition that the observation door is used for observing 4 insides of shale shaker through the upset, is convenient for overhaul and observe, and the upset is closed the observation door after the observation in order to keep the leakproofness of shale shaker 4.

Compare with current shale shaker 4, the utility model provides a shale shaker 4 with self sealss structure has outstanding leakproofness, and shale shaker 4 with self sealss structure not only is applicable to the sealed production of grit aggregate earlier, but also can be suitable for but in departments scientific research, production, the laboratory such as geology, metallurgy, powder, chemical industry, construction work, cement, medicine, national defense.

The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The utility model provides a grit aggregate self sealss environmental protection production line, including former feed bin (1), batcher (2), breaker (3), shale shaker (4) and finished product material storehouse (5), batcher (2) are connected with the bin outlet of former feed bin (1), breaker (3) are connected with the feed inlet of batcher (2), the discharge gate of breaker (3) is connected with the feed inlet of shale shaker (4), a serial communication port, a grit aggregate self sealss environmental protection production line still includes sealed conveyor, sealed conveyor and breaker (3), shale shaker (4) and finished product material storehouse (5) are connected, shale shaker (4) have self sealss structure, make breaker (3), form inclosed space between shale shaker (4) and the finished product material storehouse (5).

2. The sandstone aggregate self-sealing environment-friendly production line as claimed in claim 1, wherein the sealing and conveying device comprises a first sealing conveyor (6) connected between the discharge port of the crusher (3) and the feed port of the vibrating screen (4), a second sealing conveyor (7) connected between the first discharge port of the vibrating screen (4) and the raw material bin (1), and a third sealing conveyor (8) connected between the second discharge port of the vibrating screen (4) and the finished product bin (5).

3. The sandstone aggregate self-sealing environment-friendly production line as claimed in claim 1, which further comprises a fine crusher, wherein the sealing and conveying device comprises a first sealing conveyor (6) connected with a discharge port of the crusher (3) and a feed port of the vibrating screen (4), a third sealing conveyor (8) connected with a second discharge port of the vibrating screen (4) and a finished product warehouse (5), a fourth sealing conveyor connected with a first discharge port of the vibrating screen (4) and a feed port of the fine crusher, and a fifth sealing conveyor connected with a discharge port of the fine crusher and a finished product warehouse (5).

4. An environment-friendly production line for self-sealing gravel aggregates as claimed in claim 2, characterized in that the second sealing conveyor (7) and the third sealing conveyor (8) are identical in structure to the first sealing conveyor (6).

5. An environment-friendly production line for self-sealing gravel aggregates as claimed in claim 2, wherein the second sealing conveyor (7), the third sealing conveyor (8), the fourth sealing conveyor and the fifth sealing conveyor are identical in structure to the first sealing conveyor (6).

6. The sandstone aggregate self-sealing environment-friendly production line as claimed in claim 1, wherein the connection mode of the vibrating screen (4) with the self-sealing structure and the sealing and conveying device is movable sealing connection.

7. The sandstone aggregate self-sealing environment-friendly production line of claim 6, wherein the movable sealing connection is a flexible connection.

8. An environment-friendly production line for self-sealing gravel aggregates as claimed in claim 1, characterized in that the lower end of the crusher (3) is provided with a discharge hopper (9), and the discharge hopper (9) is connected with a sealing conveying device.

9. The environment-friendly production line for self-sealing of sandstone aggregates as claimed in claim 1, further comprising a dust collector (10), wherein the dust collector (10) is connected with the first sealing conveyor (6).

10. The sandstone aggregate self-sealing environment-friendly production line as claimed in claim 1, wherein a sealing flange is arranged on the finished product warehouse (5).