CN205287655U - Sectional type high concentration falling film evaporation device - Google Patents
Sectional type high concentration falling film evaporation device Download PDFInfo
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- CN205287655U CN205287655U CN201620023356.1U CN201620023356U CN205287655U CN 205287655 U CN205287655 U CN 205287655U CN 201620023356 U CN201620023356 U CN 201620023356U CN 205287655 U CN205287655 U CN 205287655U
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Abstract
The utility model provides a sectional type high concentration falling film evaporation device belongs to the concentrator field, including a plurality of falling film evaporation wares, every falling film evaporation ware all includes the barrel, be provided with feed inlet, discharge gate, distributing device and heating jacket on the barrel, the height of heating jacket is 0.2m -0.8m, and a plurality of barrels adopt detachable construction interconnect, and the inner chamber of a plurality of barrels passes through the feed inlet and the discharge gate communicates each other. This sectional type high concentration falling film evaporation device adopts the heating jacket height that reduces the concentrator to can dismantle the structure of connection with a plurality of concentrators, can effectively improve the circumstances of adhesion scale deposit on the heating jacket after the material concentration, also improve the convenience of concentrator dismantlement, washing, maintenance simultaneously, effectively remedy prior art's defect.
Description
Technical field
This utility model relates to concentrator field, in particular to stagewise high concentration falling film concentrating device.
Background technology
In traditional material falling film concentration plants, material is constantly evaporated along adding in shrink fit film forming flow process from top to bottom, and along with the carrying out of evaporation process, material density gradually rises, and viscosity is gradually increased.
It is little that low concentration is concentrated (i.e. the concentration process of below density 1.3kg/m3) impact by above-mentioned situation, but for high concentration concentration process (i.e. the concentration process of more than density 1.3kg/m3), along with viscosity increases, mobility reduces, very easily shrink fit is bonding, fouling adding for material, owing to the height adding hot jacket of existing concentrator has about 2m, therefore cleaning up is very inconvenient.
Utility model content
The purpose of this utility model is in that to provide a kind of stagewise high concentration falling film concentrating device, to improve the problems referred to above.
This utility model is achieved in that
This stagewise high concentration falling film concentrating device includes multiple falling film condenser, each falling film condenser all includes cylinder, described cylinder is provided with charging aperture, discharging opening, distributing device and adds hot jacket, the described height adding hot jacket is 0.2m-0.8m, multiple cylinders adopt demountable structure to be connected with each other, and the inner chamber of multiple cylinders is interconnected by charging aperture and discharging opening.
As preferably, described in add the height of hot jacket be 0.2m-0.6m.
The purpose adding hot jacket selecting above-mentioned altitude range is in that it both can effectively prevent high concentration material bonding fouling on heating set, is possible to prevent again to add the undersized of hot jacket and the increasing number that causes concentrator, thus preventing processing and assembly cost too high.
As preferably, multiple cylinders vertically set gradually, and the discharging opening of the cylinder of eminence connects with the charging aperture of the cylinder of adjacent lower.
The purpose that said structure and mode connect multiple cylinder is adopted to be in that it is simple and compact for structure, it is possible to effectively to realize the high concentration concentration of material.
As preferably, this enrichment facility also includes material ascending pipe, multiple cylinders vertically set gradually, the charging aperture of multiple cylinders connects with material ascending pipe respectively, being additionally provided with standby charging aperture on each cylinder, the discharging opening of the cylinder of eminence connects with the standby charging aperture of the cylinder of adjacent lower.
Adopt the purpose that said structure and mode connect multiple cylinder be in that its can simultaneously to each concentrator injecting material, thus improving the work efficiency of enrichment facility, it is ensured that efficiently carrying out of high concentration concentration.
As preferably, on described cylinder, the position of corresponding charging aperture is provided with feed pipe, described feed pipe is rotationally connected with on described cylinder, and described feed pipe is positioned at one end of cylinder and connects with distributing device, and the position that described feed pipe is positioned at outside cylinder is connected to the rotary apparatus for driving its rotation.
The purpose arranging rotary apparatus is in that it can drive distributing device to rotate, make material can equably spray attachment in each position adding hot jacket inside and outside wall, increasing material area coverage on heating set, thus being greatly improved the efficiency of material evaporation concentration, strengthening the concentrated effect of this enrichment facility.
As preferably, described rotary apparatus is index dial structure.
As preferably, described rotary apparatus is multichannel multi-layer rotating valve.
Index dial structure or multichannel multi-layer rotating valve is adopted to be in that it can realize distributing device and rotating against of adding hot jacket as the purpose of rotary apparatus, can be that distributing device is point, adding hot jacket is dead point, may also be distributing device dead point, add the dynamic point of hot jacket, compensate for and existing can only move by distributing device, add the single form that hot jacket is quiet, the scope of application is wider, and cloth evenly, runs more stable.
As preferably, described rotary apparatus is motor.
Motor is adopted to be in that it is existing product as the purpose of rotary apparatus, with low cost, working stability, convenient control.
As preferably, described cylinder includes cylinder body and cover, and described cover is removably connected to the top of described cylinder body, and described charging aperture is arranged on described cover, and described discharging opening is arranged on described cylinder body.
Adopt aforesaid way arrange the purpose of tube structure be in that its can easy removal and opening, thus facilitating the cleaning and maintenance that add the parts such as hot jacket inside it.
As preferably, the outer wall of described cylinder body being provided with heat-insulation layer.
What arrange that the purpose of heat-insulation layer is in that effectively to weaken in bucket internal heat scatters and disappears, it is ensured that the evaporation and concentration effect to material, maintains the efficient operation of this enrichment facility.
The beneficial effects of the utility model are:
This stagewise high concentration falling film concentrating device adopt reduce concentrator add hot jacket height, and by structure that multiple concentrators removably connect, the situation of adhesion fouling on set is being heated after can being effectively improved material concentration, the convenience simultaneously also improve concentrator dismounting, cleaning, safeguarding, effectively compensate for the defect of prior art.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The structural representation of the falling film condenser that Fig. 1 provides for this utility model first embodiment;
The structural representation of the stagewise high concentration falling film concentrating device that Fig. 2 provides for this utility model first embodiment;
The structural representation of the stagewise high concentration falling film concentrating device that Fig. 3 provides for this utility model the second embodiment.
Accompanying drawing labelling collects:
Cylinder body 100;Cover 150; Feed pipe 200;
Discharge nozzle 300; Distributing device 400; Add hot jacket 500;
Thermal source input pipe 510; Thermal source outlet tube 520;
Index dial 600; Heat-insulation layer 700; Standby feed pipe 800;
Material ascending pipe 900.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments. Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein. Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model. additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, can also be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
First embodiment, with reference to Fig. 1-2, this stagewise high concentration falling film concentrating device includes multiple falling film condenser, each falling film condenser all includes cylinder, described cylinder is provided with charging aperture, discharging opening, distributing device 400 and adds hot jacket 500, the described height adding hot jacket 500 is 0.2m-0.8m, and multiple cylinders adopt demountable structure to be connected with each other, and the inner chamber of multiple cylinders is interconnected by charging aperture and discharging opening.
Wherein, described falling film condenser is prior art, correspondingly, described cylinder, charging aperture, discharging opening, distributing device 400 and the annexation between adding shape design and the above-mentioned parts of hot jacket 500 are prior art, specific as follows: described cylinder generally hollow circular cylinder, its top and bottom all arcs in evagination, and be provided with support bottom it and support;Described charging aperture is arranged at the top of described cylinder and connects with described distributing device 400; Described distributing device 400 for cylindrical tube and is horizontally disposed with, and above-mentioned cylindrical tube is provided with four spray material ports, and four two, cloth mouths are one group, and two groups of cloth mouths are respectively arranged at the two ends of cylindrical tube; The described hot jacket 500 that adds is cylindrical and for double layer hollow structure, its inner chamber can play heats after injecting thermal source, the described hot jacket 500 that adds is communicated with thermal source input pipe 510 and thermal source outlet tube 520, described thermal source input pipe 510 and thermal source outlet tube 520 all stretch out cylinder, so that the injection of thermal source and discharge, described thermal source can be high-temperature water or high temperature oil; Described distributing device 400 adds the surface of hot jacket 500 and two cloth mouths of same group on distributing device 400 corresponding outer wall and inwall adding hot jacket 500 respectively described in being positioned at; The charging aperture of multiple cylinders and discharging opening are by pipeline communication, and the pipeline of the pipeline of charging aperture and discharging opening is removably connected by ring flange.
The operation principle of this stagewise high concentration falling film concentrating device and process are such that material first to be concentrated and sequentially or simultaneously enter each cylinder from charging aperture, then enter in distributing device 400 along charging aperture and full distributing device 400, eject from four cloth mouths of distributing device 400 afterwards, it is sprayed onto on the inner and outer wall adding hot jacket 500 of lower section, now add in hot jacket 500 and fill with thermal source, the heat of thermal source can be gradually transferred to add on the inside and outside wall of hot jacket 500, material is in the process dirty along the inside and outside wall adding hot jacket 500, moisture therein constantly can evaporate because of being heated, the concentration of material can be more and more higher, it is finally reached the purpose of high concentration concentration.
Above-mentioned work process is essentially identical with existing concentrator, it is distinctive in that: existing concentrator is an entirety, its height adding hot jacket 500 is generally about 2m, this size add hot jacket 500 carry out high concentration concentration time, due to material along add hot jacket 500 dirty time concentration can constantly increase, correspondingly, degree of adhesion increases, mobility reduces, and therefore easily, fouling bonding in the middle and lower part adding hot jacket 500, has a strong impact on the flowing of material and the normal operation of concentrator. Meanwhile, again owing to concentrator is an entirety, therefore above-mentioned bonding and fouling cleaning gets up also to bother very much.
For above-mentioned situation, the enrichment facility that the technical program provides adopts and concentrator is added hot jacket 500 height reduction to 0.2m-0.8m, then by the structure of multiple concentrator coordinator segmentations, reduce the height adding hot jacket 500 and can shorten material at the flowing height added on hot jacket 500, thus effectively preventing material concentration to be adhered to after uprising add fouling on hot jacket 500, and multiple such concentrator is connected with each other cooperation, can ensure that again the concentrating degree of material and effect, the material that thus can be substantially improved existing concentrator is easily adding problem bonding on hot jacket 500. meanwhile, even if adding of certain concentrator is bonded with material on hot jacket 500, owing to being dismountable between each cylinder, each hot jacket 500 that adds can easily disassemble, and therefore adds hot jacket 500 cleaning up and is convenient to fast.
In the actual design and manufacture process of this stagewise high concentration falling film concentrating device, described in add any value that the height of hot jacket 500 can be chosen in 0.2m-0.8m. In the present embodiment, described in add the height of hot jacket 500 be 0.2m-0.6m.
The purpose adding hot jacket 500 selecting above-mentioned altitude range is in that it both can effectively prevent high concentration material from adding bonding fouling on hot jacket 500, the increasing number being possible to prevent again to add the undersized of hot jacket 500 and cause concentrator, thus avoiding processing and assembly cost too high.
It in the actual design and manufacture process of this stagewise high concentration falling film concentrating device, multiple connected mode between the plurality of cylinder, can be adopted, as long as can realize effectively concentrating material. In the present embodiment, multiple cylinders vertically set gradually, and the discharging opening of the cylinder of eminence connects with the charging aperture of the cylinder of adjacent lower.
Wherein, the plurality of cylinder is arranged by support vertically uniform intervals, and material to be concentrated enters from the charging aperture of the cylinder of highest point, sequentially passes through each cylinder under the effect of self gravitation, finally flows out from the charging aperture of the cylinder of lowest point; The charging aperture of each cylinder and discharge outlet are respectively arranged with feed pipe 200 and discharge nozzle 300, and the discharge nozzle 300 of the cylinder of eminence adopts ring flange to be connected with each other with the feed pipe 200 of the cylinder of lower and connects; Connection between above-mentioned multiple cylinder and " series connection " in connected relation similar circuit.
The purpose that said structure and mode connect multiple cylinder is adopted to be in that it is simple and compact for structure, it is possible to effectively to realize the high concentration concentration of material.
In the present embodiment, on described cylinder, the position of corresponding charging aperture is provided with feed pipe 200, described feed pipe 200 is rotationally connected with on described cylinder, described feed pipe 200 is positioned at one end of cylinder and connects with distributing device 400, and the position that described feed pipe 200 is positioned at outside cylinder is connected to the rotary apparatus for driving its rotation.
Wherein, described feed pipe 200 is cylindrical tube, and described cylindrical tube vertically runs through the top of cylinder and is rotationally connected with on cylinder by bearing; The bottom of described feed pipe 200 is communicated in the middle part of distributing device 400, in order to material can flow to the two ends of distributing device 400 equably; Described rotary apparatus is fixedly installed in the top of described cylinder, to ensure the stability of structure.
The purpose arranging rotary apparatus is in that it can drive distributing device 400 to rotate, make material can equably spray attachment in each position adding hot jacket 500 inside and outside wall, increase material in the area coverage added on hot jacket 500, thus being greatly improved the efficiency of material evaporation concentration, strengthen the concentrated effect of this enrichment facility.
In the actual design and manufacture process of this stagewise high concentration falling film concentrating device, described rotary apparatus can adopt various structure and form, as long as it can effectively drive feed pipe 200 to rotate. In the present embodiment, described rotary apparatus is multichannel multi-layer rotating valve or index dial 600 structure.
Wherein, adopt gear drive between described index dial 600 and described feed pipe 200, the main shaft of described index dial 600 is provided with driving gear, described feed pipe 200 is provided with driven gear, described driving gear and driven gear engagement; Described driving gear and driven gear are bevel gear, adopt Bevel Gear Transmission to have transmission efficiency height, the feature of long service life and reduction rotational noise and vibration; Described multichannel multi-layer rotating valve is prior art, it is possible to directly commercially, and it is convenient to obtain.
Index dial 600 structure or multichannel multi-layer rotating valve is adopted to be in that it can realize distributing device 400 and add hot jacket 500 rotate against as the purpose of rotary apparatus, can be that distributing device 400 is point, adding hot jacket 500 is dead point, may also be distributing device 400 dead point, add hot jacket 500 and move a little, compensate for and existing can only distributing device 400 move, add the single form that hot jacket 500 is quiet, the scope of application is wider, and cloth evenly, runs more stable.
In the present embodiment, described cylinder includes cylinder body 100 and cover 150, and described cover 150 is removably connected to the top of described cylinder body 100, and described charging aperture is arranged on described cover 150, and described discharging opening is arranged on described cylinder body 100.
Wherein, the top of described cylinder body 100 is provided with the first connection ring, described first connection ring is provided with multiple connecting screw hole, multiple connecting screw holes are arranged along the described first circumferencial direction uniform intervals connecting ring, the bottom margin of described cover 150 is provided with the second connection ring, described second shape connecting ring is connected ring coupling with described first, described second connection ring is provided with multiple connection through hole, it is provided with connecting bolt in each connection through hole, multiple connecting bolts coordinate one by one with multiple connecting screw holes, thus realizing the first connection dish and the connection of the second connection dish, and then realize removably connecting of cylinder body 100 and cover 150.
Adopt aforesaid way arrange the purpose of tube structure be in that its can easy removal and opening, thus facilitating the cleaning and maintenance that add hot jacket 500 parts such as grade inside it.
In the present embodiment, the outer wall of described cylinder body 100 is provided with heat-insulation layer 700.
Wherein, described heat-insulation layer 700 is in tubbiness, and it is placed on the outer wall of cylinder body 100, and top is connected with cylinder body 100 welded seal, and what bottom was provided for thermal source outlet tube 520, thermal source outlet tube 520 and discharge nozzle 300 traverse keeps away a hole; Leaving space between inwall and the outer wall of cylinder body 100 of described heat-insulation layer 700, described space is in vacuum state.
What arrange that the purpose of heat-insulation layer 700 is in that effectively to weaken in bucket internal heat scatters and disappears, it is ensured that the evaporation and concentration effect to material, maintains the efficient operation of this enrichment facility.
This stagewise high concentration falling film concentrating device adopt reduce concentrator add hot jacket 500 height, and by structure that multiple concentrators removably connect, the situation of adhesion fouling on hot jacket 500 is being added after can being effectively improved material concentration, the convenience simultaneously also improve concentrator dismounting, cleaning, safeguarding, effectively compensate for the defect of prior art.
Second embodiment, the device that this utility model embodiment provides, its technique effect realizing principle and generation is identical with first embodiment, for being briefly described, the not mentioned part of device embodiment part, it is referred in previous embodiment corresponding contents.
In the present embodiment, this enrichment facility also includes material ascending pipe 900, multiple cylinders vertically set gradually, the charging aperture of multiple cylinders connects with material ascending pipe 900 respectively, being additionally provided with standby charging aperture on each cylinder, the discharging opening of the cylinder of eminence connects with the standby charging aperture of the cylinder of adjacent lower.
Wherein, multiple cylinders are arranged by support vertically uniform intervals, and described material ascending pipe 900 is the cylindrical tube being vertically arranged and the side being arranged at multiple cylinder by support; The charging aperture of each cylinder, standby charging aperture and discharge outlet are respectively arranged with feed pipe 200, standby feed pipe 800 and discharge nozzle 300, and the discharge nozzle 300 of the cylinder of eminence adopts bend pipe, ring flange to be connected with each other and connect with the standby feed pipe 800 of the cylinder of lower; Being provided with many arms on described material ascending pipe 900, many arms connect with feed pipe 200 one_to_one corresponding of multiple cylinders respectively; Connection between above-mentioned multiple cylinder and " parallel connection " in connected relation similar circuit.
Adopt the purpose that said structure and mode connect multiple cylinder be in that its can simultaneously to each concentrator injecting material, thus improving the work efficiency of enrichment facility, it is ensured that efficiently carrying out of high concentration concentration.
3rd embodiment, the device that this utility model embodiment provides, its technique effect realizing principle and generation is identical with first embodiment, for being briefly described, the not mentioned part of device embodiment part, it is referred in previous embodiment corresponding contents.
In the present embodiment, described rotary apparatus is motor.
Wherein, adopt gear drive between described motor and described feed pipe 200, the rotating shaft of described motor is provided with driving gear, described feed pipe 200 is provided with the driven gear engaged with described driving gear; Described motor is connected to controller, and described controller is connected to touch screen, in order to user operation and control.
Motor is adopted to be in that it is existing product as the purpose of rotary apparatus, with low cost, working stability, convenient control.
4th embodiment, the device that this utility model embodiment provides, its technique effect realizing principle and generation is identical with first embodiment, for being briefly described, the not mentioned part of device embodiment part, it is referred in previous embodiment corresponding contents.
In the present embodiment, described in add the height of hot jacket 500 be 0.3m.
5th embodiment, the device that this utility model embodiment provides, its technique effect realizing principle and generation is identical with first embodiment, for being briefly described, the not mentioned part of device embodiment part, it is referred in previous embodiment corresponding contents.
In the present embodiment, described in add the height of hot jacket 500 be 0.5m.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. a stagewise high concentration falling film concentrating device, it is characterized in that, including multiple falling film condenser, each falling film condenser all includes cylinder, described cylinder is provided with charging aperture, discharging opening, distributing device and adds hot jacket, the described height adding hot jacket is 0.2m-0.8m, and multiple cylinders adopt demountable structure to be connected with each other, and the inner chamber of multiple cylinders is interconnected by charging aperture and discharging opening.
2. stagewise high concentration falling film concentrating device according to claim 1, it is characterised in that described in add the height of hot jacket be 0.2m-0.6m.
3. stagewise high concentration falling film concentrating device according to claim 1, it is characterised in that multiple cylinders vertically set gradually, the discharging opening of the cylinder of eminence connects with the charging aperture of the cylinder of adjacent lower.
4. stagewise high concentration falling film concentrating device according to claim 1, it is characterized in that, also include material ascending pipe, multiple cylinders vertically set gradually, the charging aperture of multiple cylinders connects with material ascending pipe respectively, being additionally provided with standby charging aperture on each cylinder, the discharging opening of the cylinder of eminence connects with the standby charging aperture of the cylinder of adjacent lower.
5. stagewise high concentration falling film concentrating device according to claim 1, it is characterized in that, on described cylinder, the position of corresponding charging aperture is provided with feed pipe, described feed pipe is rotationally connected with on described cylinder, described feed pipe is positioned at one end of cylinder and connects with distributing device, and the position that described feed pipe is positioned at outside cylinder is connected to the rotary apparatus for driving its rotation.
6. stagewise high concentration falling film concentrating device according to claim 5, it is characterised in that described rotary apparatus is index dial structure.
7. stagewise high concentration falling film concentrating device according to claim 5, it is characterised in that described rotary apparatus is multichannel multi-layer rotating valve.
8. stagewise high concentration falling film concentrating device according to claim 5, it is characterised in that described rotary apparatus is motor.
9. stagewise high concentration falling film concentrating device according to claim 1, it is characterized in that, described cylinder includes cylinder body and cover, described cover is removably connected to the top of described cylinder body, described charging aperture is arranged on described cover, and described discharging opening is arranged on described cylinder body.
10. stagewise high concentration falling film concentrating device according to claim 9, it is characterised in that be provided with heat-insulation layer on the outer wall of described cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023356.1U CN205287655U (en) | 2016-01-11 | 2016-01-11 | Sectional type high concentration falling film evaporation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620023356.1U CN205287655U (en) | 2016-01-11 | 2016-01-11 | Sectional type high concentration falling film evaporation device |
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| CN205287655U true CN205287655U (en) | 2016-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635893A (en) * | 2018-06-05 | 2018-10-12 | 邵伟科 | A kind of luwa evaporator |
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2016
- 2016-01-11 CN CN201620023356.1U patent/CN205287655U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635893A (en) * | 2018-06-05 | 2018-10-12 | 邵伟科 | A kind of luwa evaporator |
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Effective date of registration: 20170717 Address after: 300000 8 Huaxin Road, Beichen Science Park, Beichen District, Tianjin Patentee after: May (Tianjin) Technology Co., Ltd. Address before: 300000 Tianjin Tianjin high-end equipment manufacturing industrial park, Beichen Patentee before: Yinuo ipharma (Tianjin) Technology Co., Ltd. |