CN104819000A - Push chain type concrete sprayer - Google Patents
Push chain type concrete sprayer Download PDFInfo
- Publication number
- CN104819000A CN104819000A CN201510205589.3A CN201510205589A CN104819000A CN 104819000 A CN104819000 A CN 104819000A CN 201510205589 A CN201510205589 A CN 201510205589A CN 104819000 A CN104819000 A CN 104819000A
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- CN
- China
- Prior art keywords
- chain
- spraying machine
- chain link
- air
- type concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000005507 spraying Methods 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000011381 foam concrete Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a push chain type concrete sprayer. The push chain type concrete sprayer comprises a frame which is integrally of a frame structure, further comprises a driving system, a feeding system and an air circuit system, wherein a motor of the driving mechanism is connected with a drive sprocket and is used for driving the drive sprocket, the drive sprocket is connected with a driven sprocket through a chain, and a sealing push plate is arranged between every two chain links of the chain; a transmitting cylinder of the feeding system is arranged just below a vibrating hopper, the chain sequentially passes through cavities of the transmitting cylinder, concrete enters the transmitting cylinder through a vibrating hopper, and then is pushed forwards in such a way that the sealing push plates on the chain are driven by the rotation of the drive sprocket, the end part of a concrete transmitting and ejecting pipeline is connected with a nozzle, and the air circuit system is used for ejecting the concrete by a nozzle with high pressure through compressed air. According to the push chain type concrete sprayer provided by the invention, all parts are structurally and perfectly matched; furthermore, the push chain type concrete sprayer is convenient to operate and maintain and high in ejection efficiency.
Description
Technical field
The present invention relates to a kind of concrete sprayer, especially one pushes away chain type concrete spraying machine.
Background technology
Concrete sprayer, as a kind of construction equipment, widely uses in the engineerings such as tunnel, subway and underground mining.The type of current concrete sprayer mainly contains dry spraying machine, watering jet eductor and wet-spraying machine, and dry spraying machine and watering jet eductor have higher similitude in mechanism and performance, therefore the two is classified as a class.The present invention is mainly used in damp spray field.
The operating principle of watering jet eductor is: material mixes through mixer according to a certain percentage, be added in spraying machine by feeder, recycling compressed air does power, by Cemented filling and high velocity jet to by setting and harden on spray plane, thus form concrete supporting.
At present, watering jet eductor mainly contains tank cylinder formula, spiral, rotator type, rotating disc type by mechanical structure form, and tank cylinder formula spraying machine structure is simple, be easy to safeguard, but it is relatively heavy; Screw spraying machine volume is little, material loading height is low, but consumed power is large, fed distance is short, uses not extensive in Practical Project; Rotor spraying machine production capacity is high, fed distance is far away, volume is moderate, production efficiency is high, suitable doing is formed a complete and comprehensive system for collecting real estate fees; Rotating disc type spraying machine compact conformation, volume is little, quality is light, good combination property, extensively adopts in all kinds of engineering.With rotator type and rotating disc type spraying machine application more, impact larger.
Summary of the invention
For the some shortcomings of tank cylinder formula, spiral, rotator type, rotating disc type wet-spraying machine, propose one and push away chain type concrete spraying machine, the present invention is rational in infrastructure, stable performance, convenient operating maintenance, long service life, and volume is little, and ejection efficiency is high.
The present invention adopts following technical scheme:
One pushes away chain type concrete spraying machine, comprise the overall frame in frame construction, mine tram wheel pair is provided with bottom frame, mine tram wheel to clamping in orbit, also comprise transmission system, feed system and air-channel system, described transmission system comprises motor and drive sprocket, and motor connects and drives drive sprocket, drive sprocket is connected with driven sprocket by chain, is provided with sealing push pedal between every two pitch chain rings of described chain;
Described feed system comprises the vibrating bunker and transmitting cylinder body that are arranged on frame top, described transmitting cylinder body is arranged on immediately below vibrating bunker, described chain is successively by launching the cavity of cylinder body, concrete enters transmitting cylinder body by vibrating bunker, by the sealing push pedal on the rotation drive chain of drive sprocket by concrete pushed forward;
Described air-channel system and the leading cross launching cylinder body, air-channel system is connected with concrete conveyance injection pipe after crossing through and launching cylinder body, the end of concrete conveyance injection pipe is connected with shower nozzle, and air-channel system passes into compressed air, and concrete is spouting by nozzle high-voltage.
Preferably, described chain link is divided into horizontal chain link and vertical chain link, and horizontal chain link connects to form described chain with vertical chain link transpostion interval, and described sealing push pedal is connected on horizontal chain link.
Preferably, the wheel Zhou Shangjun of described drive sprocket and driven sprocket has the tooth and teeth groove that are intervally arranged, described teeth groove and the degree of depth and sealing push pedal adaptive, the width of teeth groove and horizontal chain link adaptation;
Tooth has vertical chain link buckling groove, the bending two ends of vertical chain link buckling groove forms U-shaped access section, described vertical chain link unwinds in vertical chain link buckling groove, and the junction of the horizontal chain link of vertical chain link and both sides is connected in the U-shaped access section at buckling groove two ends just.
Preferably, be connected with reductor between described motor and drive sprocket, motor and reductor are connected with electric-control system, and described electric-control system comprises automatic air-break switch, fuse and startup stop button.
Preferably, described air-channel system comprises main air stop valve and pressure meter, and main air stop valve coordinates with pressure meter, adjusts compressed-air actuated pressure.
Preferably, described shower nozzle is arranged on the rear and front end of frame, pushes away chain type concrete spraying machine and realizes two-way injection while forward-reverse in orbit.
Preferably, the side of described driven sprocket is provided with the chain tightener of adjustment chain elasticity.
Preferably, the cylindrical cavity that described transmitting cylinder body is arranged horizontally, described sealing push pedal is made up of the round sheet mating with transmitting cylinder diameter, and sealing push pedal is passed through at the cylindrical cavity launching cylinder body successively under the drive of chain;
Described sealing push pedal is made up of the round sheet that at least two panels is mated with transmitting cylinder diameter, adds packed-piston between round sheet.
Preferably, the part that described transmitting cylinder body and air-channel system intersect is mixing chamber, is mixed with concrete and compressed air in mixing chamber, and concrete and compressed air enter concrete conveyance injection pipe by mixing chamber.
Preferably, the buffering that the rear and front end of described frame is respectively equipped with for damp impacts impact force is met and discussed.
The Advantageous Effects adopting as above technical scheme to obtain is:
The motor pushing away chain type concrete spraying machine drives drive sprocket to rotate, and then drives driven sprocket to rotate, and by the rotation of the rotating band movable sealing push pedal of chain, thus several sealing push pedals is passed through successively in the cavity launching cylinder body by certain speed.Fall into the concrete launching cylinder body to be promoted to travel forward by sealing push pedal immediately, when concrete is pushed to mixing chamber, by the compressed air passed into, concrete is blown to shower nozzle, complete injection.Coordinate perfect between Each part of the present invention, and convenient operating maintenance, ejection efficiency is high.
Accompanying drawing explanation
Fig. 1 is for pushing away chain type concrete spraying machine structural representation.
Fig. 2 is for pushing away chain type concrete spraying machine principle schematic.
Fig. 3 is drive sprocket and chain structure schematic diagram.
Fig. 4 is the partial top view of Fig. 3.
Fig. 5 is drive sprocket structural representation.
Fig. 6 is the side sectional view of Fig. 4.
Fig. 7 is drive sprocket partial cutaway schematic.
In figure, 1, vibrating bunker; 2, cylinder body is launched; 3, packed-piston; 4, motor; 5, reductor; 6, drive sprocket; 7, driven sprocket; 8, buffering is met and discussed; 9, push pedal is sealed; 10, mixing chamber; 11, chain; 12, teeth groove; 13, vertical chain link buckling groove; 14, U-shaped access section; 15, tooth.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings 1 to 7, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
One pushes away chain type concrete spraying machine, and comprise the overall frame in frame construction, be provided with mine tram wheel pair bottom frame, mine tram wheel to clamping in orbit.The buffering that the rear and front end of frame is respectively equipped with for damp impacts impact force is met and discussed.
Push away chain type concrete spraying machine and also comprise transmission system, feed system and air-channel system, described transmission system comprises motor and drive sprocket, motor connects and drives drive sprocket, drive sprocket is connected with driven sprocket by chain, and the side of driven sprocket is provided with the chain tightener of adjustment chain elasticity.Sealing push pedal is provided with between every two pitch chain rings of described chain 11.Feed system comprises the vibrating bunker and transmitting cylinder body that are arranged on frame top, described transmitting cylinder body is arranged on immediately below vibrating bunker, described chain is successively by launching the cavity of cylinder body, concrete enters transmitting cylinder body by vibrating bunker, by the sealing push pedal on the rotation drive chain of drive sprocket by concrete pushed forward.
Chain link is divided into horizontal chain link and vertical chain link, and horizontal chain link connects to form described chain with vertical chain link transpostion interval, and described sealing push pedal 9 is connected on horizontal chain link.The wheel Zhou Shangjun of described drive sprocket and driven sprocket has the tooth 15 and teeth groove 12 that are intervally arranged, described teeth groove and the degree of depth and sealing push pedal 9 adaptive, the width of teeth groove 12 and horizontal chain link adaptation.Tooth 15 has vertical chain link buckling groove 13, the bending two ends of vertical chain link buckling groove 13 forms U-shaped access section 14, described vertical chain link unwinds in vertical chain link buckling groove, the junction of the horizontal chain link of vertical chain link and both sides is connected in the U-shaped access section 14 at buckling groove two ends just, drive sprocket drives chain to rotate, junction and the U-shaped access section 14 of vertical chain link and horizontal chain link act on, and are supplied to the power that chain rotates with drive sprocket.In whole mechanical systems, vertical chain link remains vertical, and horizontal chain link remains level.In addition horizontal chain link will be arranged according to the width of tooth and teeth groove with the length of vertical chain link.
Air-channel system and the leading cross launching cylinder body, the part that transmitting cylinder body and air-channel system intersect is mixing chamber, and air-channel system is connected with concrete conveyance injection pipe after crossing through and launching cylinder body, and the end of concrete conveyance injection pipe is connected with shower nozzle.Concrete and compressed air enter concrete conveyance injection pipe by mixing chamber, and namely to pass into compressed air spouting by nozzle high-voltage by concrete for air-channel system.Wherein, described shower nozzle is arranged on the rear and front end of frame, pushes away chain type concrete spraying machine and realizes two-way injection while forward-reverse in orbit.
Be connected with reductor between motor and drive sprocket, motor 4 and drive sprocket 6 are connected to transmission system provides power, and described reductor 5 is connected with drive sprocket 6, is used for controlling running speed.Motor and reductor are connected with electric-control system, and electric-control system comprises automatic air-break switch, fuse and startup stop button, and electric-control system is used for control and pushes away chain type concrete spraying machine.
Air-channel system comprises main air stop valve and pressure meter, main air stop valve and pressure meter are arranged on compressed air input channel, and main air stop valve controls the size of throughput, and pressure meter detects venting pressure, main air stop valve coordinates with pressure meter, adjusts compressed-air actuated pressure.
Launch the cylindrical cavity that cylinder body is arranged horizontally, described sealing push pedal is made up of the round sheet mating with transmitting cylinder diameter, and sealing push pedal is passed through at the cylindrical cavity launching cylinder body successively under the drive of chain.Wherein, sealing push pedal is made up of the round sheet that at least two panels is mated with transmitting cylinder diameter, and add packed-piston 3 between round sheet, packed-piston protrudes from round sheet and directly contacts with cylindrical cavity.Under the effect of chain, sealing push pedal can advance concrete, has sealing function again.When chain passes through the cavity launching cylinder body, transmitting cylinder body is divided into several and concrete annular seal space is housed by sealing push pedal, when concrete annular seal space being housed through mixing chamber, compressed air is inputted by air-channel system, due to the sealing function of front and back sealing push pedal, compressed air can not reduce pressure, and can only enter concrete conveyance injection pipe by mixing chamber.
It is concrete sprayer that the present invention pushes away chain type concrete spraying machine, need in practical work process with concrete mixer or feeder with the use of.After preparation, first operator opens main air stop valve, and open degree about 1/3, first blows, and by the clout emptying in mixing chamber 10 and pipeline, prevents from disturbing normal construction.
Opening power, utilize electric-control system to open motor 4, thus drive drive sprocket 6 to rotate, and then drive driven sprocket 7 to rotate, by the rotation of the rotating band movable sealing push pedal 9 of chain, thus several sealing push pedals are passed through successively in the cavity launching cylinder body 2 by certain speed.
The concrete be stirred is added in vibrating bunker 1 by feeder, then enters transmission cylinder 2 by the opening below vibrating bunker 1.Fall into the concrete launching cylinder body 2 to be promoted to travel forward by sealing push pedal 9 immediately, when concrete is pushed to mixing chamber 10, by the compressed air passed into, concrete is blown to shower nozzle, realize three-phase flow and spray.The injection of three-phase flow injection and solid, liquid, gas.
Certainly; more than illustrate and be only preferred embodiment of the present invention; the present invention is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the guidance of this manual; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this manual, protection of the present invention ought to be subject to.
Claims (10)
1. one kind pushes away chain type concrete spraying machine, comprise the overall frame in frame construction, mine tram wheel pair is provided with bottom frame, mine tram wheel to clamping in orbit, is characterized in that, also comprises transmission system, feed system and air-channel system, described transmission system comprises motor and drive sprocket, motor connects and drives drive sprocket, and drive sprocket is connected with driven sprocket by chain, is provided with sealing push pedal between every two pitch chain rings of described chain;
Described feed system comprises the vibrating bunker and transmitting cylinder body that are arranged on frame top, described transmitting cylinder body is arranged on immediately below vibrating bunker, described chain is successively by launching the cavity of cylinder body, concrete enters transmitting cylinder body by vibrating bunker, by the sealing push pedal on the rotation drive chain of drive sprocket by concrete pushed forward;
Described air-channel system and the leading cross launching cylinder body, air-channel system is connected with concrete conveyance injection pipe after crossing through and launching cylinder body, the end of concrete conveyance injection pipe is connected with shower nozzle, and air-channel system passes into compressed air, and concrete is spouting by nozzle high-voltage.
2. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, described chain link is divided into horizontal chain link and vertical chain link, and horizontal chain link connects to form described chain with vertical chain link transpostion interval, and described sealing push pedal is connected on horizontal chain link.
3. one according to claim 2 pushes away chain type concrete spraying machine, it is characterized in that, the wheel Zhou Shangjun of described drive sprocket and driven sprocket has the tooth and teeth groove that are intervally arranged, described teeth groove and the degree of depth and sealing push pedal adaptive, the width of teeth groove and horizontal chain link adaptation;
Tooth has vertical chain link buckling groove, the bending two ends of vertical chain link buckling groove forms U-shaped access section, described vertical chain link unwinds in vertical chain link buckling groove, and the junction of the horizontal chain link of vertical chain link and both sides is connected in the U-shaped access section at buckling groove two ends just.
4. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, be connected with reductor between described motor and drive sprocket, motor and reductor are connected with electric-control system, and described electric-control system comprises automatic air-break switch, fuse and startup stop button.
5. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, described air-channel system comprises main air stop valve and pressure meter, and main air stop valve coordinates with pressure meter, adjusts compressed-air actuated pressure.
6. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, described shower nozzle is arranged on the rear and front end of frame, pushes away chain type concrete spraying machine and realizes two-way injection while forward-reverse in orbit.
7. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, the side of described driven sprocket is provided with the chain tightener of adjustment chain elasticity.
8. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, the cylindrical cavity that described transmitting cylinder body is arranged horizontally, described sealing push pedal is made up of the round sheet mating with transmitting cylinder diameter, and sealing push pedal is passed through at the cylindrical cavity launching cylinder body successively under the drive of chain;
Described sealing push pedal is made up of the round sheet that at least two panels is mated with transmitting cylinder diameter, adds packed-piston between round sheet.
9. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, the part that described transmitting cylinder body and air-channel system intersect is mixing chamber, is mixed with concrete and compressed air in mixing chamber, and concrete and compressed air enter concrete conveyance injection pipe by mixing chamber.
10. one according to claim 1 pushes away chain type concrete spraying machine, it is characterized in that, the buffering that the rear and front end of described frame is respectively equipped with for damp impacts impact force is met and discussed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205589.3A CN104819000A (en) | 2015-04-27 | 2015-04-27 | Push chain type concrete sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205589.3A CN104819000A (en) | 2015-04-27 | 2015-04-27 | Push chain type concrete sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104819000A true CN104819000A (en) | 2015-08-05 |
Family
ID=53729451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510205589.3A Pending CN104819000A (en) | 2015-04-27 | 2015-04-27 | Push chain type concrete sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819000A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429204A (en) * | 2016-11-02 | 2017-02-22 | 上海大屯能源股份有限公司 | Full-automatic chain plate feeding device |
| CN109610460A (en) * | 2018-11-27 | 2019-04-12 | 中国电建市政建设集团有限公司 | A kind of three-graded concrete quickly puts in storage system and working method |
| CN110056373A (en) * | 2019-03-25 | 2019-07-26 | 山东科技大学 | One kind pushing away chain type concrete spraying machine |
| CN116617770A (en) * | 2023-07-20 | 2023-08-22 | 山东科技大学 | Slurry spraying machine residue and residue gas treatment system and process based on cyclone separation recovery |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1740679A1 (en) * | 1989-11-01 | 1992-06-15 | Всесоюзный научно-исследовательский институт транспортного строительства | Concrete sprinkling device |
| CN2883263Y (en) * | 2006-02-25 | 2007-03-28 | 康承国 | Active chainwheel of pipe chain conveyer |
| CN101139866A (en) * | 2007-08-10 | 2008-03-12 | 李德安 | Highly-effective energy-saving chain type concrete spraying machine |
| CN102071793A (en) * | 2010-12-10 | 2011-05-25 | 孟凡英 | Piston type patching machine |
| CN201915971U (en) * | 2010-12-10 | 2011-08-03 | 孟凡英 | Piston type pulp spraying machine |
| CN202531192U (en) * | 2012-04-05 | 2012-11-14 | 李德安 | Suspended free-vibration feeding machine for pulp shooting machine |
| CN204002849U (en) * | 2014-08-05 | 2014-12-10 | 山东科技大学 | Performance carousel concrete sprayer |
-
2015
- 2015-04-27 CN CN201510205589.3A patent/CN104819000A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1740679A1 (en) * | 1989-11-01 | 1992-06-15 | Всесоюзный научно-исследовательский институт транспортного строительства | Concrete sprinkling device |
| CN2883263Y (en) * | 2006-02-25 | 2007-03-28 | 康承国 | Active chainwheel of pipe chain conveyer |
| CN101139866A (en) * | 2007-08-10 | 2008-03-12 | 李德安 | Highly-effective energy-saving chain type concrete spraying machine |
| CN102071793A (en) * | 2010-12-10 | 2011-05-25 | 孟凡英 | Piston type patching machine |
| CN201915971U (en) * | 2010-12-10 | 2011-08-03 | 孟凡英 | Piston type pulp spraying machine |
| CN202531192U (en) * | 2012-04-05 | 2012-11-14 | 李德安 | Suspended free-vibration feeding machine for pulp shooting machine |
| CN204002849U (en) * | 2014-08-05 | 2014-12-10 | 山东科技大学 | Performance carousel concrete sprayer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429204A (en) * | 2016-11-02 | 2017-02-22 | 上海大屯能源股份有限公司 | Full-automatic chain plate feeding device |
| CN109610460A (en) * | 2018-11-27 | 2019-04-12 | 中国电建市政建设集团有限公司 | A kind of three-graded concrete quickly puts in storage system and working method |
| CN110056373A (en) * | 2019-03-25 | 2019-07-26 | 山东科技大学 | One kind pushing away chain type concrete spraying machine |
| CN116617770A (en) * | 2023-07-20 | 2023-08-22 | 山东科技大学 | Slurry spraying machine residue and residue gas treatment system and process based on cyclone separation recovery |
| CN116617770B (en) * | 2023-07-20 | 2023-10-20 | 山东科技大学 | Slurry spraying machine residue and residue gas treatment system and process based on cyclone separation recovery |
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Application publication date: 20150805 |
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| RJ01 | Rejection of invention patent application after publication |