CN206604758U - A kind of sand stone sieve sorting machine - Google Patents
A kind of sand stone sieve sorting machine Download PDFInfo
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- CN206604758U CN206604758U CN201720206150.7U CN201720206150U CN206604758U CN 206604758 U CN206604758 U CN 206604758U CN 201720206150 U CN201720206150 U CN 201720206150U CN 206604758 U CN206604758 U CN 206604758U
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- frame
- screen pack
- rose box
- dust
- sorting machine
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Abstract
The utility model discloses a kind of sand stone sieve sorting machine, vibration bucket including frame and in frame, vibration bucket is provided with screen frame away from frame side, vibration bucket is provided with cover plate away from screen frame side, vibration bucket one end is provided with feed hopper, feed hopper side wall offers the first suction opeing, the second suction opeing is provided with cover plate, Rose Box is provided with cover plate, Rose Box is respectively arranged with entrance and exit on relative two side, entrance is connected with the first suction opeing and the second suction opeing by exhaust column one, outlet side is provided with air exhauster, air exhauster is connected with outlet by exhaust column two.During screening, dust is trapped within Rose Box by the filtering of Rose Box, is not only reduced the pollution that airborne dust is brought, is also improved working environment；When screen pack needs cleaning, pressure-air reversely blows to screen pack by three-way pipe, accumulates in the dust on screen pack and is shaken by elastic component and falls into dust hopper, improves the convenience for cleaning screen pack.
Description
Technical field
The utility model is related to Architectural Equipment technical field, more particularly to a kind of sand stone sieve sorting machine.
Background technology
Screening machine is the inertial excitation power produced using vibrating motor, makes the relative motion of bulk granular material and compass screen surface, makes portion
Divide particle to pass through sieve aperture, the materials such as sand, gravel, rubble are divided into the vibration screening machinery equipment of different stage by granular size.
A kind of compound flip flop screen, including gravity flow screen are disclosed in publication No. is CN103658025A Chinese invention patent
Basket, upper strata float sieve basket and lower floor floats sieve basket, the upper strata sieve basket side wall that floats is provided with the eccentric shaft transmission system in upper strata, and upper strata is inclined
Spindle drive system is connected with upper strata motor by Hooks coupling universal coupling, and lower floor's floating sieve basket side wall is provided with lower floor's eccentric shaft
Transmission system, lower floor's bias shaft transmission system is connected with lower floor's motor by Hooks coupling universal coupling.During work, upper and lower layer drives
Dynamic motor drives upper strata floating sieve basket and lower floor's floating sieve basket to vibrate respectively by eccentric shaft transmission system, so as to realize that material divides
Level.
Although this compound flip flop screen amplitude stability, screening efficiency is reliable, when sandstone falls on floating screen frame, sand
Stone hits the dust easily evoked on sandstone with floating screen frame, a large amount of airborne dusts can be also produced during aggregate screening, not only
Environment is polluted, and causes working environment to be deteriorated.
The content of the invention
The purpose of this utility model is to provide a kind of convenient sand stone sieve sorting machine collected airborne dust, reduce pollution.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of sand stone sieve sorting machine, including frame and the vibration bucket in frame, vibration bucket side wall and the machine
Frame is connected by damping spring, and the vibration bucket is provided with vibrating motor towards the frame side, and the vibration bucket is away from machine
Frame side is provided with screen frame, and the vibration bucket is provided with cover plate away from the screen frame side, described vibration bucket one end be provided with into
Hopper, the vibration bucket other end is provided with discharging opening, and the vibration bucket is inclined to set, and the feed hopper is higher than the discharging
The height of mouth, feed hopper side wall, which is offered, to be provided with the first suction opeing, the cover plate on the second suction opeing, the cover plate
The Rose Box for collecting airborne dust is provided with, the Rose Box is respectively arranged with entrance and exit on relative two side, described
Entrance is connected with first suction opeing and second suction opeing by exhaust column one, and the outlet side is provided with exhausting
Machine, the air exhauster is connected with the outlet by exhaust column two.
By using above-mentioned technical proposal, one closed screening space of cover plate and vibration bucket formation, in the process of screening
In, sandstone is fallen on screen frame from feed hopper, due to the draft effect of air exhauster, and sandstone hits the dust and sandstone that evoke with screen frame
The airborne dust produced during screening enters filtering by the first suction opeing and the second suction opeing and cased, and dust is cased by filtering
Filtering be trapped within filtering vanning in, not only reduce the pollution that airborne dust is brought, also improve working environment.
The utility model is further arranged to：Spaced set has some filterings for being used to retain airborne dust in the Rose Box
Component, the filter assemblies are set perpendicular to the axial line of exhaust column one, and the filter assemblies include frame and are arranged on
Screen pack in frame.
By using above-mentioned technical proposal, by setting multigroup filter assemblies, efficiency of dust collection is improved, reduction is discharged to air
In dust.
The utility model is further arranged to：From the entrance towards the hole of some screen packs of the outlet side
Footpath is sequentially reduced.
By using above-mentioned technical proposal, the screen pack of three groups of different pore sizes is respectively used to retain the dust of different-diameter,
Improve efficiency of dust collection.
The utility model is further arranged to：Rose Box side wall offers maintenance door, described maintenance door one end with
The Rose Box is hinged.
By using above-mentioned technical proposal, when the dust on screen pack is more, screen pack is entered by the way that maintenance door is convenient
Row cleaning, it is ensured that the dust removing effects of filtering vanning.
The utility model is further arranged to：The frame is to be detachably connected with the Rose Box.
By using above-mentioned technical proposal, it is convenient for changing in screen pack aging or damage, improves the convenient of maintenance
Property.
The utility model is further arranged to：The exhaust column one is provided with valve one close to described filtering vanning one end,
The exhaust column two is three-way pipe, and described three-way pipe one end connects with the air exhauster, the three-way pipe and the air exhauster it
Between be provided with valve two, the three-way pipe other end is connected with tracheae, and magnetic valve is provided with the tracheae.
By using above-mentioned technical proposal, when the dust on screen pack is more, air exhauster, valve one and valve are closed
Two, tracheae is connected into air compressor, pressure-air is reversely blowed between screen pack, solenoid valve control pressure-air by three-way pipe
Have a rest and blow to screen pack, due to impulsive force of the screen pack by blowback air, the dust accumulated on screen pack is shaken in filtering
The bottom of case, improves the convenience of cleaning screen pack.
The utility model is further arranged to：The screen pack uses flexible material, and the frame is towards the entrance one
Side is provided with some elastic components, and the elastic component two ends are fixedly connected with the frame of the filter assemblies.
By using above-mentioned technical proposal, when pressure-air reversely blows to screen pack by three-way pipe, screen pack and elasticity
Part is deformed, when stopping blowing, and damping vibration, elastic component rapping screen pack, accumulation can be done when recovering deformation due to elastic component
Dust on screen pack is easier to be shaken, and improves the cleaning efficiency of screen pack.
The utility model is further arranged to：The elastic component along frame length or width equidistantly distributed, if
The coefficient of elasticity for doing the elastic component is differed.
By using above-mentioned technical proposal, when pressure-air reversely blows to screen pack by three-way pipe, screen pack and elasticity
Part is deformed, because the coefficient of elasticity of elastic component is differed, and the deflection that different elastic components are produced also is differed, and stops blowing
During gas, the speed that elastic component recovers deformation is also differed, and different elastic components shake without regularly priority rapping screen pack, elastic component
The number of times increase of screen pack is played, the dust accumulated on screen pack is easier to be shaken, and improves the cleaning efficiency of screen pack.
The utility model is further arranged to：The side of the elastic component towards the screen pack is provided with arcuation projection,
The arcuation is raised along the elastic component length direction equidistantly distributed.
By using above-mentioned technical proposal, caking, elastic component are easily formed on screen pack because dust is accumulated in for a long time
When rapping screen pack, the raised use force on screen pack of arcuation is different, makes the material lumpd on screen pack by not
With the active force of position, shake so as to easily break up caking, improve the automaticity of cleaning screen pack.
The utility model is further arranged to：The Rose Box is provided with dust hopper, the collection towards the cover plate side
Dirt bucket is provided with unloading valve close to described cover plate one end.
By using above-mentioned technical proposal, accumulate in the dust on screen pack and shaken and fall into dust hopper, opening is unloaded
Grey valve cleans out the dust in dust hopper, improves the convenience of cleaning dust.
Compared with prior art, the beneficial effects of the utility model are as follows：
（1）One closed screening space of cover plate and vibration bucket formation, during screening, dust passes through Rose Box
Filtering is trapped within Rose Box, is not only reduced the pollution that airborne dust is brought, is also improved working environment；
（2）When the dust on screen pack is more, screen pack is reversely blowed to by three-way pipe using pressure-air, accumulated in
Dust on screen pack is shaken by elastic component to be fallen into dust hopper, improves the convenience of cleaning screen pack.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that vibration bucket of the present utility model removes the structural representation after side plate；
Fig. 3 is the A portions enlarged drawing in Fig. 1；
Fig. 4 is Rose Box structural representation of the present utility model；
Fig. 5 is the B-B faces sectional view in Fig. 4；
Fig. 6 is the C portions enlarged drawing in Fig. 5；
Fig. 7 is spring structure schematic diagram of the present utility model.
Accompanying drawing mark：1st, frame；2nd, vibration bucket；3rd, damping spring；4th, vibrating motor；5th, screen frame；6th, cover plate；7th, feed
Bucket；8th, discharging opening；9th, the first suction opeing；10th, the second suction opeing；11st, Rose Box；12nd, entrance；13rd, export；14th, air exhauster；
15th, exhaust column one；16th, exhaust column two；17th, filter assemblies；171st, frame；172nd, screen pack；18th, maintenance door；19th, shackle member；
20th, valve one；21st, valve two；22nd, tracheae；23rd, magnetic valve；24th, elastic component；25th, arcuation is raised；26th, dust hopper；27th, ash is unloaded
Valve.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but implementation of the present utility model
Mode is not limited only to this.
As depicted in figs. 1 and 2, a kind of sand stone sieve sorting machine, including frame 1 and the vibration bucket 2 in frame 1, vibration
The 2 side walls that struggle against are connected with frame 1 by damping spring 3, and vibration bucket 2 is provided with vibrating motor 4, vibration bucket 2 towards the side of frame 1
The side of frame 1 is provided with screen frame 5, vibration bucket 2 is provided with cover plate 6 away from the side of screen frame 5, the one end of vibration bucket 2 be provided with into
Hopper 7, the other end of vibration bucket 2 is provided with discharging opening 8.Vibration bucket 2 is discharged after material screening for convenience, vibration bucket 2 is inclined
Set, feed hopper 7 is higher than the height of discharging opening 8.Reference picture 3, in view of when sandstone is fallen on screen frame 5, sandstone hits with screen frame 5 to be held
Easily evoke dust on sandstone, can also produce a large amount of airborne dusts during aggregate screening, therefore the side wall of feed hopper 7 offers the
One suction opeing 9, the middle part of cover plate 6, which is provided with the second suction opeing 10, cover plate 6, is provided with Rose Box 11.Reference picture 3, Rose Box 11
Entrance 12 and outlet 13 are respectively arranged with relative two side, entrance 12 passes through with the first suction opeing 9 and the second suction opeing 10
Exhaust column 1 is connected, and 13 sides of outlet are provided with air exhauster 14, and air exhauster 14 is connected with outlet 13 by exhaust column 2 16.
As shown in figure 5, spaced set has three groups of filter assemblies 17 in Rose Box 11, filter assemblies 17 are perpendicular to exhaust column
One 15 axial lines are set, and by setting multigroup filter assemblies 17, are improved efficiency of dust collection, are reduced the dust being discharged in air.
As shown in figure 4, in order to convenient for cleaning when dust is more on screen pack 172, the side wall of Rose Box 11 offers inspection
Door 18 is repaiied, the one end of maintenance door 18 is hinged with Rose Box 11.As shown in fig. 6, filter assemblies 17 include frame 171 and installed in side
Screen pack 172 in frame 171, the aperture from entrance 12 towards three groups of screen packs 172 of 13 sides of outlet is sequentially reduced, three groups of holes
The different screen pack 172 in footpath is respectively used to retain the dust of different-diameter, improves efficiency of dust collection.It is provided with box inside wall
Shackle member 19, shackle member 19 and the clamping of frame 171 of filter assemblies 17, because filter assemblies 17 and Rose Box 11 are detachably to connect
Connect, therefore be convenient for changing in the aging of screen pack 172 or damage.
As shown in figure 3, exhaust column 1 is provided with valve 1 close to filtering vanning one end, exhaust column 2 16 is threeway
Pipe, three-way pipe one end connects with air exhauster 14, is provided with valve 2 21 between three-way pipe and air exhauster 14, the three-way pipe other end and
Tracheae 22 is connected, and magnetic valve 23 is provided with tracheae 22.When the dust on screen pack 172 is more, air exhauster 14, valve are closed
One 20 and valve 2 21, tracheae 22 is connected into air compressor, pressure-air reversely blows to screen pack 172 by three-way pipe, electricity
The control pressure-air interval of magnet valve 23 blows to screen pack 172, due to impulsive force of the screen pack 172 by blowback air, accumulates in
Dust on screen pack 172 is shaken in the bottom of Rose Box 11, improves the convenience of cleaning screen pack 172.
As shown in figure 5, Rose Box 11 is provided with dust hopper 26 towards the side of cover plate 6, dust hopper 26 is set close to the one end of cover plate 6
Unloading valve 27 is equipped with, the dust on screen pack 172 is accumulated in and is shaken and fall into dust hopper 26, unloading valve 27 is opened by dust
Dust in bucket 26 is cleaned out, and improves the convenience of cleaning dust.
As shown in fig. 6, screen pack 172 uses dust removing cloth, frame 171 is provided with elastic component 24, bullet towards the side of entrance 12
Property part 24 can be using the flexible material such as stainless steel, elastic component 24 is along the length direction equidistantly distributed of frame 171, elastic component
24 two ends and the grafting of frame 171 of screen pack 172, the coefficient of elasticity of multiple elastic components 24 are differed.Pressure-air passes through three
When siphunculus reversely blows to screen pack 172, screen pack 172 and elastic component 24 are deformed, because the coefficient of elasticity of elastic component 24 is equal
Differ, the deflection that different elastic components 24 are produced also is differed, when stopping blowing, elastic component 24 recovers the speed of deformation also not
Identical, different elastic components 24 increase without regularly priority rapping screen pack 172, the number of times of the rapping screen pack 172 of elastic component 24,
The dust accumulated on screen pack 172 is easier to be shaken, and improves the cleaning efficiency of screen pack 172.Reference picture 7, due to dust
Accumulate in for a long time and caking is easily formed on screen pack 172, therefore, the side of elastic component 24 towards screen pack 172 is provided with arc
Shape projection 25, arcuation projection 25 is along the length direction equidistantly distributed of elastic component 24.Elastic component 24 rapping screen pack 172 when
Wait, use force of the arcuation projection 25 on screen pack 172 is different, makes the dust lumpd on screen pack 172 by diverse location
Active force, shakes so as to easily break up caking, improves the automaticity of cleaning screen pack 172.
The course of work of the present utility model and have the beneficial effect that：
During work, sandstone is fallen on screen frame 5 from feed hopper 7, and vibrating motor 4 drives screen frame 5 to vibrate and sandstone is sieved,
Due to the draft effect of air exhauster 14, the airborne dust that sandstone is produced during hitting the dust evoked and aggregate screening with screen frame 5
Rose Box 11 is entered by the first suction opeing 9 and the second suction opeing 10, dust is trapped within filtering by the filtering of screen pack 172
On net 172, the screen pack 172 of three groups of different pore sizes is respectively used to retain the dust of different-diameter, not only reduces airborne dust and brings
Pollution, also improve working environment；
When needing to clean the dust on screen pack 172, air exhauster 14, valve 1 and valve 2 21 are closed,
Tracheae 22 is connected into air compressor, pressure-air reversely blows to screen pack 172 by three-way pipe, and the control high pressure of magnetic valve 23 is empty
Gas interval blows to screen pack 172, and due to impulsive force of the screen pack 172 by blowback air, screen pack 172 and elastic component 24 are produced
Deformation, because the coefficient of elasticity of elastic component 24 is differed, the deflection that different elastic components 24 are produced also is differed, and stops blowing
When, the speed that elastic component 24 recovers deformation is also differed, and different elastic components 24 are without regularly priority rapping screen pack 172, bullet
Property the rapping screen pack 172 of part 24 number of times increase, elastic component 24 when rapping screen pack 172, arcuation projection 25 filtering
Use force on net 172 is different, makes the dust that is lumpd on screen pack 172 by the active force of diverse location, so that easily will knot
Block, which is broken up, to shake in dust hopper 26, improves the convenience of cleaning screen pack 172；
When needing repairing or changing screen pack 172, maintenance door 18 is opened, it would be desirable to maintenance or the screen pack changed
172 taking-ups are repaired or changed.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of sand stone sieve sorting machine, including frame（1）And positioned at frame（1）On vibration bucket（2）, the vibration bucket（2）Side
Wall and the frame（1）Pass through damping spring（3）Connection, the vibration bucket（2）Towards the frame（1）Side is provided with vibration
Motor（4）, the vibration bucket（2）Away from frame（1）Side is provided with screen frame（5）, it is characterised in that：The vibration bucket（2）Far
From the screen frame（5）Side is provided with cover plate（6）, the vibration bucket（2）One end is provided with feed hopper（7）, the vibration bucket（2）
The other end is provided with discharging opening（8）, the vibration bucket（2）It is inclined to set, the feed hopper（7）Higher than the discharging opening（8）
Height, the feed hopper（7）Side wall offers the first suction opeing（9）, the cover plate（6）On be provided with the second suction opeing
（10）, the cover plate（6）On be provided with Rose Box for collecting airborne dust（11）, the Rose Box（11）On relative two side
It is respectively arranged with entrance（12）And outlet（13）, the entrance（12）With first suction opeing（9）With second suction opeing
（10）Pass through exhaust column one（15）Connection, the outlet（13）Side is provided with air exhauster（14）, the air exhauster（14）With institute
State outlet（13）Pass through exhaust column two（16）Connection.
2. sand stone sieve sorting machine according to claim 1, it is characterised in that：The Rose Box（11）If interior spaced set has
Do the filter assemblies for retaining airborne dust（17）, the filter assemblies（17）Perpendicular to the exhaust column one（15）Axial line is set
Put, the filter assemblies（17）Including frame（171）And installed in frame（171）Interior screen pack（172）.
3. sand stone sieve sorting machine according to claim 2, it is characterised in that：From the entrance（12）Towards the outlet（13）
Some screen packs of side（172）Aperture be sequentially reduced.
4. sand stone sieve sorting machine according to claim 2, it is characterised in that：The Rose Box（11）Side wall offers maintenance
Door（18）, the maintenance door（18）One end and the Rose Box（11）It is hinged.
5. the sand stone sieve sorting machine according to claim 3 or 4, it is characterised in that：The frame（171）With the Rose Box
（11）To be detachably connected.
6. sand stone sieve sorting machine according to claim 5, it is characterised in that：The exhaust column one（15）Close to the Rose Box
（11）One end is provided with valve one（20）, the exhaust column two（16）For three-way pipe, described three-way pipe one end and the air exhauster
（14）Connection, the three-way pipe and the air exhauster（14）Between be provided with valve two（21）, the three-way pipe other end and gas
Pipe（22）Connection, the tracheae（22）On be provided with magnetic valve（23）.
7. sand stone sieve sorting machine according to claim 6, it is characterised in that：The screen pack（172）Using flexible material, institute
State frame（171）Towards the entrance（12）Side is provided with some elastic components（24）, the elastic component（24）Two ends with it is described
Filter assemblies（17）Frame（171）It is fixedly connected.
8. sand stone sieve sorting machine according to claim 7, it is characterised in that：The elastic component（24）Along frame（171）Length
Or width equidistantly distributed, some elastic components（24）Coefficient of elasticity differ.
9. sand stone sieve sorting machine according to claim 8, it is characterised in that：The elastic component（24）Towards the screen pack
（172）To be provided with arcuation raised for side（25）, the arcuation projection（25）Along the elastic component（24）Length direction is equidistant
Distribution.
10. sand stone sieve sorting machine according to claim 9, it is characterised in that：The Rose Box（11）Towards the cover plate（6）
Side is provided with dust hopper（26）, the dust hopper（26）Close to the cover plate（6）One end is provided with unloading valve（27）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206150.7U CN206604758U (en) | 2017-03-03 | 2017-03-03 | A kind of sand stone sieve sorting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206150.7U CN206604758U (en) | 2017-03-03 | 2017-03-03 | A kind of sand stone sieve sorting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206604758U true CN206604758U (en) | 2017-11-03 |
Family
ID=60168967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720206150.7U Active CN206604758U (en) | 2017-03-03 | 2017-03-03 | A kind of sand stone sieve sorting machine |
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| Country | Link |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158289A (en) * | 2018-08-30 | 2019-01-08 | 杭州费勒韦尔机械有限公司 | A kind of dust-extraction unit for vibrating screen |
| CN109174620A (en) * | 2018-08-31 | 2019-01-11 | 扬州英迪贸易有限公司 | A kind of small-sized vibration screening machine for building |
| CN111039621A (en) * | 2019-12-23 | 2020-04-21 | 佛山市新利海混凝土有限公司 | High-strength fine stone self-compacting concrete and fine stone screening device |
| CN111715508A (en) * | 2020-05-30 | 2020-09-29 | 成都聚力混凝土有限公司 | Building aggregate regeneration device and process |
| CN112024386A (en) * | 2020-09-22 | 2020-12-04 | 何平 | Rice preparation screening and selecting processing method |
| CN112851226A (en) * | 2021-01-29 | 2021-05-28 | 秦皇岛轻粉科建环保科技有限公司 | Roadbed soft soil cured mortar prepared from saponification slag, preparation method and screening equipment |
| CN115254594A (en) * | 2022-08-16 | 2022-11-01 | 安徽谓博中药股份有限公司 | Immature bitter orange traditional Chinese medicine decoction piece screening equipment |
| CN115838067A (en) * | 2022-10-20 | 2023-03-24 | 唐山滦科机电设备制造有限公司 | Tail self-moving belt conveyor |
-
2017
- 2017-03-03 CN CN201720206150.7U patent/CN206604758U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158289A (en) * | 2018-08-30 | 2019-01-08 | 杭州费勒韦尔机械有限公司 | A kind of dust-extraction unit for vibrating screen |
| CN109174620A (en) * | 2018-08-31 | 2019-01-11 | 扬州英迪贸易有限公司 | A kind of small-sized vibration screening machine for building |
| CN111039621A (en) * | 2019-12-23 | 2020-04-21 | 佛山市新利海混凝土有限公司 | High-strength fine stone self-compacting concrete and fine stone screening device |
| CN111715508A (en) * | 2020-05-30 | 2020-09-29 | 成都聚力混凝土有限公司 | Building aggregate regeneration device and process |
| CN111715508B (en) * | 2020-05-30 | 2022-04-26 | 成都聚力混凝土有限公司 | Building aggregate regeneration device and process |
| CN112024386A (en) * | 2020-09-22 | 2020-12-04 | 何平 | Rice preparation screening and selecting processing method |
| CN112851226A (en) * | 2021-01-29 | 2021-05-28 | 秦皇岛轻粉科建环保科技有限公司 | Roadbed soft soil cured mortar prepared from saponification slag, preparation method and screening equipment |
| CN112851226B (en) * | 2021-01-29 | 2021-11-12 | 秦皇岛轻粉科建环保科技有限公司 | Roadbed soft soil cured mortar prepared from saponification slag, preparation method and screening equipment |
| CN115254594A (en) * | 2022-08-16 | 2022-11-01 | 安徽谓博中药股份有限公司 | Immature bitter orange traditional Chinese medicine decoction piece screening equipment |
| CN115838067A (en) * | 2022-10-20 | 2023-03-24 | 唐山滦科机电设备制造有限公司 | Tail self-moving belt conveyor |
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