CN105251236A - Countercurrent extraction device - Google Patents
Countercurrent extraction device Download PDFInfo
- Publication number
- CN105251236A CN105251236A CN201510726005.7A CN201510726005A CN105251236A CN 105251236 A CN105251236 A CN 105251236A CN 201510726005 A CN201510726005 A CN 201510726005A CN 105251236 A CN105251236 A CN 105251236A
- Authority
- CN
- China
- Prior art keywords
- blade
- counter
- overflow pipe
- extraction tube
- extraction
- 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.)
- Granted
Links
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a countercurrent extraction device. The countercurrent extraction device comprises an extraction pipe, wherein a propeller is arranged in the extraction pipe and consists of a shaft and blades; the blades are sheet-shaped and are arranged in parallel and at intervals on the surface of the shaft; all the blades are positioned at one side of the shaft in a row or are distributed at the upper part and the lower part of the shaft in two rows; the blades at the upper part and the blades at the lower part are alternatively arranged in a staggering manner; since the blades are sheet-shaped to play a role in propelling materials, and can overturn and disperse to play a role in stirring, the materials can be overturned from one side to the other side along with rotation of the propeller, although a part of the materials can rotate in situ with the blades, the materials can not be deposited towards one side simultaneously, can not form continuous dense deposits, and can not form the shaft hung effect, so that blocking can not be formed in the extraction pipe; proved by multiple tests, even though the total volume of the materials is larger than that of the extraction pipe by 80%, the blocking can not occur, so that the efficiency of the extraction pipe can be played furthest, and the cost performance is obviously improved.
Description
Technical field
What this programme related to is a kind of equipment using liquid medium to extract solid material (hereinafter referred to as material), especially material and liquid medium flow on the contrary in extraction tube, and the propeller that in extraction tube, built-in a kind of shape blade arranges twist advances the counter-flow extraction device of mass transport.
Background technology
In the prior art, the technical scheme the most close with the application be Continuous Countercurrent Extraction machine, this Continuous Countercurrent Extraction machine is made up of extraction tube, and extraction tube inside is equipped with spiral propeller, and this spiral propeller is continuous band blade, arrange twist vertically, material, under the effect of spiral propeller, is transported to the other end from one end of extraction tube, extracts solvent and flows with the direction contrary with mass transport, form counter-flow extraction, be widely used in the extraction of various plant material.But this spiral propeller is when being applied to counter-flow extraction, there is many problems.One be advance material time, material can be piled up to side with angle of rake rotation, when extraction tube is full of solution, when material ratio great in gravity time, material can be deposited in the below of extraction tube side; When material proportion is less than gravity, material can be deposited in the top of extraction tube side, due to plant material after crushed, size distribution is comparatively complicated, under different grain size, specific gravity difference is also comparatively large, and a part of solid accumulation is at extraction tube one side-lower often, and a part is above side.In this case, propeller only plays progradation, if material does not seethe by external force, stirs, would not scatter, the homogeneity of extraction is poor, significantly limit the raising of recovery rate, is unfavorable for the performance of equipment performance, reduces the cost performance of equipment.To reach the requirement of high extraction, just needing the length increasing extraction tube, also just adding floor space and the input of equipment; Two is for time circular at extraction tube, when the material total measurement (volume) in extraction tube exceedes 40% of the effective total measurement (volume) of extraction tube, material will cause material original place to rotate with rotation, owing to being continuous band blade, material can be tightly packed in extraction tube side, forms seize effect, thus result in blockage, this also significantly limit the performance of extraction tube, reduces the cost performance of equipment.This is the weak point existing for prior art.
Summary of the invention
This programme provides a kind of counter-flow extraction device, it provides a kind of propeller improved.
The technical measures that this programme is taked are: a kind of counter-flow extraction device, it comprises extraction tube, in extraction tube, propeller is set, propeller is made up of axle and blade, it is characterized in that described blade is sheet shape, described blade on the surface of axle vertically side by side interval arrange, the side that described blade is all positioned at axle forms a line or described Leaf positional distribution lines up two row in the upper and lower of axle, and the blade on top and the blade dislocation of bottom are alternately arranged.
The concrete feature of this programme also has, and described blade and blade end is wide, and blade root is narrow, and blade root is directly connected with axle, and the central axis of blade is in shaft centre line.
Described blade and blade end established angle is 5-80 degree, the helically line arrangement of the line of blade root on axle surface.
Described blade is connected with axle by pole, and described pole longitudinal center line is perpendicular to shaft centre line.
Described blade and pole are threaded connector, the blade tip established angle of adjusting vane within the scope of 5-90 degree.
There is closure plate extraction tube one end, and the other end connects slag-draining device.
The built-in striker plate of extraction tube, extraction tube is separated into independently discharge opeing pipeline section and extraction pipeline section two parts by striker plate, extracts pipeline section and is communicated with discharge opeing pipeline section by overflow pipe, have leakage fluid dram bottom discharge opeing pipeline section; Charging aperture is connected with extraction tube top, and junction is positioned at extracts on pipeline section; Feeding device is positioned on slag-draining device, and higher than extraction tube top, inlet is communicated with slag-draining device; Slag-drip opening is positioned at the top of slag-draining device, higher than inlet.
Described overflow pipe has overflow pipe inlet and overflow pipe liquid outlet; Extract inflow entrance is had at striker plate side-lower; Overflow pipe inlet docks with extract inflow entrance, and overflow pipe liquid outlet is higher than overflow pipe inlet; Have the extension of upward opening at discharge opeing pipeline section top, overflow pipe liquid outlet extends in extension; There is cover plate on extension top, and cover plate has respiratory siphon.
Angle of rake blade between striker plate and charging aperture is continuous band.
Propeller is connected with the drive unit being placed on extraction tube by driving shaft, and driving shaft, through striker plate and closure plate, has dynamic seal between driving shaft and closure plate, has seal between driving shaft and striker plate.
The beneficial effect of this programme is: the angle of rake blade due to this programme is sheet shape, and interval is arranged vertically, and while playing the effect of propelling material, material, under the effect of this blade, also can seethe, scatter, play stirring action; Simultaneously, material can seethe opposite side with angle of rake rotation from side, although partial material can rotate with blade original place, but due to spacing with blades arrangement, material can not be piled up to side simultaneously, the tightly packed body of continuous print would not be formed, also would not form seize effect, thus blocking can not be formed in extraction tube.Inventor proves through test of many times, even if when the total measurement (volume) of material is greater than 80% of extraction tube total measurement (volume), also there will not be blocking.Thus making the efficiency of extraction tube obtain maximum performance, cost performance is significantly improved.
In addition, propeller rotating speed is higher, seethe mixing effect better, but when blade end of blade setting angle is certain, the fltting speed of material in extraction tube is also faster, when extraction tube length is certain, material is shorter by the time of extraction tube, that is: extraction time is shorter, will affect extraction effect.Solution is realized by adjustment blade end of blade setting angle, that is: when improving rotating speed and not shortening again extraction time, reduce the setting angle of blade end of blade.For the extraction of the material that some needs extraction time longer, except reducing setting angle, can realize by reducing blade quantity simultaneously, thus guarantee when extraction tube certain length, realize High Rotation Speed, low-speed propulsion, namely realize high rotating speed to stir, extract for a long time, guarantee that extracting usefulness obtains maximum performance.From above-mentioned improvement effect, contrast is at present at the spiral propeller Problems existing by structure, the beneficial effect of this programme clearly, it solve the difficult problem that counterflow extraction apparatus mixing effect is poor, cost performance is low that long-standing problem adopts spiral propeller form, can say, this programme is significant.
Meanwhile, the solid material that be extracted enters extraction tube from charging aperture, is advanced in extraction tube by propeller to slag-draining device direction, then slag-draining device is entered, to be pulled out from extraction tube by slag-draining device and upwards discharge, below inlet, then discharge from slag-drip opening.Extract extraction solvent used to enter from inlet, flow in slag-draining device, enter in extraction tube, under the effect of liquid level difference, direction contrary with the direction of propulsion of material in extraction tube, flow to discharge opeing pipeline section, form counter-flow extraction, then enter overflow pipe from the extract inflow entrance of striker plate side-lower, then flow out from the overflow pipe liquid outlet higher than extraction tube top, enter in discharge opeing pipeline section, discharge from the leakage fluid dram of bottom.
Material when discharging from slag-draining device, process below inlet, the fresh extraction solvent entered from inlet has rinse action to material, is conducive to extraction effect; Extract enters overflow pipe from striker plate side-lower, then flow out from the overflow pipe liquid outlet higher than extraction tube top, enter in discharge opeing pipeline section, namely the discharge precipitating material is prevented in extraction tube, turn avoid the discharge of floating material in extraction tube, substantially reduce the number the content of granule materials in the extract of discharging from extraction tube; Meanwhile, the angle of rake blade between charging aperture to striker plate adopts continuous band, alleviates stirring action, reduces the discharge of suspended particulate in extract in extraction tube, both contributes to the filter pressure alleviating extract.Find out thus, the improvement effect of the feed liquor of this programme, deslagging, discharge opeing is significant.
Accompanying drawing explanation
Fig. 1 is counter-flow extraction apparatus structure schematic diagram; Fig. 2 is embodiment 1 counter-flow extraction device internal structure sectional view; Fig. 3 is embodiment 2 counter-flow extraction device internal structure schematic diagram (the angle of rake blade between charging aperture to striker plate is continuous band); Fig. 4 is A-A sectional view in Fig. 2; Fig. 5 is the top view of extraction tube closure plate one end; Fig. 6 is that blade is directly connected with axle and the propeller structure schematic diagram that forms a line of the side being all positioned at axle; Fig. 7 is the top view of Fig. 6; Fig. 8 is the left view of Fig. 6; Fig. 9 is the right view of Fig. 6; Figure 10 is that blade is directly connected with axle and Leaf positional distribution lines up two row in the upper and lower of axle, and the blade on top and the blade dislocation of bottom replace the propeller structure schematic diagram of layout; Figure 11 is the top view of Figure 10; Figure 12 is the left view of Figure 10; Figure 13 is the right view of Figure 10; Figure 14 is that blade and pole are threaded and the propeller structure schematic diagram that forms a line of the side being all positioned at axle; Figure 15 is Figure 14 top view; Figure 16 is the left view of Figure 14; Figure 17 is that blade and pole are threaded and Leaf positional distribution lines up two row in the upper and lower of axle, the propeller structure schematic diagram that the blade on top and the blade dislocation of bottom are alternately arranged; Figure 18 is the top view of Figure 17; Figure 19 is the left view of Figure 17.
In figure: 1-drive unit; 2-mechanical sealing member; 3-closure plate; 4-extension; 5-cover plate; 6-respiratory siphon; 7-overflow pipe liquid outlet; 8-charging aperture; 9-extraction tube; 10-slag notch; 11-inlet; 12-slag-draining device; 13-extracts pipeline section; 14-propeller; 15-seal; 16-extract inflow entrance; 17-striker plate; 18-leakage fluid dram; 19-discharge opeing pipeline section; 20-overflow pipe; 21-impeller drive shaft; 22-continuous band blade; 24-axle; 25-blade; 26-pole; 27-threaded connector; 28-blade support plate.
Detailed description of the invention
Embodiment 1: as shown in Figure 1-2, a kind of counter-flow extraction device, it comprises extraction tube 9, propeller 14 is set in extraction tube 9, propeller 14 is made up of axle 24 and blade 25, described blade 25 is sheet shape, described blade 25 on the surface of axle 24 vertically side by side interval arrange, as shown in Fig. 6-9 and 14-16, the side that described blade 25 is all positioned at axle 24 forms a line or as shown in Figure 10-13 and 17-19, two row are lined up in the upper and lower that described blade 25 is distributed in axle 24, and the blade on top and the blade dislocation of bottom are alternately arranged.
As Fig. 6,7,10, shown in 11, described blade 25 blade tip is wide, and blade root is narrow, and blade root is directly connected with axle 24, and the central axis of blade 25 is in axle 24 center line.
As shown in Figure 14-19, described blade 25 is also connected with axle 24 by pole 26, and described pole 26 longitudinal center line is perpendicular to axle 24 center line; The connection of described blade 25 and pole 26 can be threaded connector 27, the setting angle of adjusting vane 25 blade tip within the scope of 5-90 degree.
As shown in Figure 5, there is closure plate 3 extraction tube 9 one end, and the other end connects slag-draining device 12.The built-in striker plate 17 of extraction tube 9, extraction tube 9 is separated into independently discharge opeing pipeline section 19 and extraction pipeline section 13 two parts by striker plate 17, extracts pipeline section 13 and is communicated with discharge opeing pipeline section 19 by overflow pipe 20, have leakage fluid dram 18 bottom discharge opeing pipeline section 19; Charging aperture 8 is connected with extraction tube 9 top, and junction is positioned at extracts on pipeline section 13; Feeding device is positioned on slag-draining device 12, and higher than extraction tube 9 top, inlet 11 is communicated with slag-draining device 12; Slag-drip opening 10 is positioned at the top of slag-draining device 12, higher than inlet 11.
Overflow pipe 20 has overflow pipe inlet and overflow pipe liquid outlet 7; As shown in Figure 4, extract inflow entrance 16 is had at striker plate 17 side-lower; Overflow pipe inlet docks with extract inflow entrance 16, and overflow pipe liquid outlet 7 is higher than overflow pipe inlet; Have the extension 4 of upward opening at discharge opeing pipeline section 19 top, overflow pipe liquid outlet 7 extends in extension 4; There is cover plate 5 on extension 4 top, cover plate has respiratory siphon 6.Propeller 14 is connected with the drive unit 1 being placed on extraction tube 9 by driving shaft 21, and driving shaft 21, through striker plate 17 and closure plate 3, has dynamic seal 2, has seal 15 between driving shaft 21 and striker plate 17 between driving shaft 21 and closure plate 3.The rotating speed of propeller 13 is between 2 ~ 10r/min.
Embodiment 2: the present embodiment and embodiment 1 something in common repeat no more, and difference is as shown in Figure 3, and the blade of the propeller 14 between striker plate 17 and charging aperture 8 can be continuous band blade 22.
Claims (10)
1. a counter-flow extraction device, it comprises extraction tube, in extraction tube, propeller is set, propeller is made up of axle and blade, it is characterized in that described blade is sheet shape, described blade on the surface of axle vertically side by side interval arrange, the side that described blade is all positioned at axle forms a line or described Leaf positional distribution lines up two row in the upper and lower of axle, and the blade on top and the blade dislocation of bottom are alternately arranged.
2. counter-flow extraction device according to claim 1, it is characterized in that described blade and blade end is wide, blade root is narrow, and blade root is directly connected with axle, and the central axis of blade is in shaft centre line.
3. counter-flow extraction device according to claim 2, is characterized in that described blade and blade end established angle is 5-80 degree, the helically line arrangement of the line of blade root on axle surface.
4. counter-flow extraction device according to claim 1, is characterized in that described blade is connected with axle by pole, and described pole longitudinal center line is perpendicular to shaft centre line.
5. counter-flow extraction device according to claim 4, is characterized in that; Described blade and pole are threaded connector, the blade tip established angle of adjusting vane within the scope of 5-90 degree.
6. counter-flow extraction device according to claim 1, is characterized in that there is closure plate extraction tube one end, and the other end connects slag-draining device.
7. the counter-flow extraction device according to claim 1 or 6, it is characterized in that the built-in striker plate of extraction tube, extraction tube is separated into independently discharge opeing pipeline section and extraction pipeline section two parts by striker plate, extracts pipeline section and is communicated with discharge opeing pipeline section by overflow pipe, have leakage fluid dram bottom discharge opeing pipeline section; Charging aperture is connected with extraction tube top, and junction is positioned at extracts on pipeline section; Feeding device is positioned on slag-draining device, and higher than extraction tube top, inlet is communicated with slag-draining device; Slag-drip opening is positioned at the top of slag-draining device, higher than inlet.
8. counter-flow extraction device according to claim 7, is characterized in that described overflow pipe has overflow pipe inlet and overflow pipe liquid outlet; Extract inflow entrance is had at striker plate side-lower; Overflow pipe inlet docks with extract inflow entrance, and overflow pipe liquid outlet is higher than overflow pipe inlet; Have the extension of upward opening at discharge opeing pipeline section top, overflow pipe liquid outlet extends in extension; There is cover plate on extension top, and cover plate has respiratory siphon.
9. counter-flow extraction device according to claim 8, is characterized in that the angle of rake blade between striker plate and charging aperture is continuous band.
10. the counter-flow extraction device according to claim 1 or 8, it is characterized in that propeller is connected with the drive unit being placed on extraction tube by driving shaft, driving shaft, through striker plate and closure plate, has dynamic seal between driving shaft and closure plate, has seal between driving shaft and striker plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726005.7A CN105251236B (en) | 2015-11-02 | 2015-11-02 | Adverse current extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726005.7A CN105251236B (en) | 2015-11-02 | 2015-11-02 | Adverse current extraction element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105251236A true CN105251236A (en) | 2016-01-20 |
| CN105251236B CN105251236B (en) | 2018-01-16 |
Family
ID=55091336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510726005.7A Active CN105251236B (en) | 2015-11-02 | 2015-11-02 | Adverse current extraction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105251236B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624270A (en) * | 2019-09-16 | 2019-12-31 | 丹阳市华泰制药机械有限公司 | Air current agitating unit of a section of thick bamboo is drawed against current |
| CN113332749A (en) * | 2021-05-28 | 2021-09-03 | 温兄控股集团股份有限公司 | Multidirectional dynamic continuous extraction device and method thereof |
| CN110624270B (en) * | 2019-09-16 | 2024-04-30 | 江苏知铭机械工程有限公司 | Air flow stirring device of countercurrent extraction barrel |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB872717A (en) * | 1957-04-17 | 1961-07-12 | Braunschweigische Maschb Ansta | Improvements in or relating to apparatus for extracting sugar from or bleaching or washing vegetable materials |
| SU1627208A1 (en) * | 1988-05-24 | 1991-02-15 | Всесоюзный научно-исследовательский институт консервной и овощесушильной промышленности | Sectional vane extractor for dry vegetable material |
| CN1134350A (en) * | 1995-04-26 | 1996-10-30 | 王中心 | Continuous counter current extraction method for Chinese medicine and its equipment |
| EP0930250A1 (en) * | 1998-01-20 | 1999-07-21 | Desvoys S.A. | Conveyor-device for granular or fibrous bulk goods for use when laterally unloading these products in distibution hoppers |
| CN1245501A (en) * | 1996-12-20 | 2000-02-23 | "塔比法尔"有限责任公司 | Method and device for production of lyophilized hydrochloride -1 'beta', 10 'beta'-epoxy-13-dimethylamino-guaia -3(4)-6,12-olide |
| CN200972315Y (en) * | 2006-11-22 | 2007-11-07 | 河南金龙工程技术有限公司 | Horizontal drier for dregs of tea |
| CN201175590Y (en) * | 2008-03-21 | 2009-01-07 | 江苏维尔电气有限公司 | Horizontal type cabo-powder leaching extracting device |
| CN101455910A (en) * | 2008-12-17 | 2009-06-17 | 济宁金百特工程机械有限公司 | Dregs discharging device of extraction tube |
| CN204428887U (en) * | 2015-01-26 | 2015-07-01 | 杭州茗宝食品有限公司 | A kind of compregnate formula Continuous Countercurrent Extraction equipment |
| CN104841157A (en) * | 2015-05-18 | 2015-08-19 | 济宁金百特生物机械有限公司 | Countercurrent extraction drainage device |
| CN105056571A (en) * | 2015-08-05 | 2015-11-18 | 济宁金百特生物机械有限公司 | Countercurrent extraction apparatus |
| CN205182242U (en) * | 2015-11-02 | 2016-04-27 | 济宁金百特生物机械有限公司 | Countercurrent extraction device |
-
2015
- 2015-11-02 CN CN201510726005.7A patent/CN105251236B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB872717A (en) * | 1957-04-17 | 1961-07-12 | Braunschweigische Maschb Ansta | Improvements in or relating to apparatus for extracting sugar from or bleaching or washing vegetable materials |
| SU1627208A1 (en) * | 1988-05-24 | 1991-02-15 | Всесоюзный научно-исследовательский институт консервной и овощесушильной промышленности | Sectional vane extractor for dry vegetable material |
| CN1134350A (en) * | 1995-04-26 | 1996-10-30 | 王中心 | Continuous counter current extraction method for Chinese medicine and its equipment |
| CN1245501A (en) * | 1996-12-20 | 2000-02-23 | "塔比法尔"有限责任公司 | Method and device for production of lyophilized hydrochloride -1 'beta', 10 'beta'-epoxy-13-dimethylamino-guaia -3(4)-6,12-olide |
| EP0930250A1 (en) * | 1998-01-20 | 1999-07-21 | Desvoys S.A. | Conveyor-device for granular or fibrous bulk goods for use when laterally unloading these products in distibution hoppers |
| CN200972315Y (en) * | 2006-11-22 | 2007-11-07 | 河南金龙工程技术有限公司 | Horizontal drier for dregs of tea |
| CN201175590Y (en) * | 2008-03-21 | 2009-01-07 | 江苏维尔电气有限公司 | Horizontal type cabo-powder leaching extracting device |
| CN101455910A (en) * | 2008-12-17 | 2009-06-17 | 济宁金百特工程机械有限公司 | Dregs discharging device of extraction tube |
| CN204428887U (en) * | 2015-01-26 | 2015-07-01 | 杭州茗宝食品有限公司 | A kind of compregnate formula Continuous Countercurrent Extraction equipment |
| CN104841157A (en) * | 2015-05-18 | 2015-08-19 | 济宁金百特生物机械有限公司 | Countercurrent extraction drainage device |
| CN105056571A (en) * | 2015-08-05 | 2015-11-18 | 济宁金百特生物机械有限公司 | Countercurrent extraction apparatus |
| CN205182242U (en) * | 2015-11-02 | 2016-04-27 | 济宁金百特生物机械有限公司 | Countercurrent extraction device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624270A (en) * | 2019-09-16 | 2019-12-31 | 丹阳市华泰制药机械有限公司 | Air current agitating unit of a section of thick bamboo is drawed against current |
| CN110624270B (en) * | 2019-09-16 | 2024-04-30 | 江苏知铭机械工程有限公司 | Air flow stirring device of countercurrent extraction barrel |
| CN113332749A (en) * | 2021-05-28 | 2021-09-03 | 温兄控股集团股份有限公司 | Multidirectional dynamic continuous extraction device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105251236B (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105056571A (en) | Countercurrent extraction apparatus | |
| CN203899729U (en) | Pulsating-flow teetered bed separator suitable for separation of coarse coal slime in wide granularity grade | |
| CN205182242U (en) | Countercurrent extraction device | |
| CN204891285U (en) | Adverse current extraction element | |
| CN105251236A (en) | Countercurrent extraction device | |
| CN108219882A (en) | The analysis anti-sulphur of sulphur well head blocks up system | |
| CN207511868U (en) | A kind of high-efficiency dissolued-air air floatation machine | |
| CN201603419U (en) | Salt elutriation device | |
| CN104548654A (en) | Multi-level spiral type continuous countercurrent leaching device | |
| CN204981560U (en) | High -efficient sludge thickening processing apparatus | |
| CN205655635U (en) | Chemical industry is with stirring drying equipment | |
| CN204981555U (en) | Sludge concentration device based on feeding flow prison measure and regulate festival | |
| CN209575852U (en) | A kind of thickener for the concentration of wastewater zero discharge magma | |
| CN208517385U (en) | A kind of pretreatment line for marsh gas power generation | |
| CN207451665U (en) | A kind of high tower air floatation machine | |
| CN214781431U (en) | Slurry concentration equipment | |
| CN206735889U (en) | A kind of double helix jetting type aerator | |
| CN205549837U (en) | Rotatory device that deposits | |
| CN111408292B (en) | Deep sea tungsten ore is carried with mixing storehouse and deep sea tungsten ore collection conveying system | |
| CN107459091A (en) | A kind of high tower air floatation machine | |
| CN208136032U (en) | Waste water treatment system | |
| CN208449219U (en) | A kind of new and effective reaction tower | |
| CN208511946U (en) | A kind of biogas slurry surge tank | |
| CN210764657U (en) | Three-phase separator for oil-water sand of return liquid of well washing of water injection well | |
| CN202026593U (en) | Hydraulically-driven spiral-flow fertilizer injection device of irrigation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |