CN206094789U - Tray drier - Google Patents
Tray drier Download PDFInfo
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- CN206094789U CN206094789U CN201621115104.8U CN201621115104U CN206094789U CN 206094789 U CN206094789 U CN 206094789U CN 201621115104 U CN201621115104 U CN 201621115104U CN 206094789 U CN206094789 U CN 206094789U
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- drip pan
- tank body
- rotating shaft
- material scraping
- drip
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Abstract
The utility model discloses a tray drier, including jar body and atomizer, pivot, a plurality of baking pan and a plurality of flitch of scraping, a jar body has feed inlet and discharge gate, and the atomizer setting is in the internal portion of jar, and the entry of atomizer is linked together with the feed inlet, the pivot sets up on the center pin of the jar body, and the pivot is located the below of atomizer, a plurality of baking pans are equidistant to be fixed in the pivot, the equal perpendicular to pivot of quotation of a plurality of baking pans, and a plurality of baking pans all have a blanking mouth, and the blanking mouth of adjacent baking pan is -Offset each other, is close to the blanking mouth that sets up on the baking pan of discharge gate and matches with the discharge gate and arrange, scraping the flitch setting in the top of baking pan, scraping and keep the predetermined distance between flitch and the baking pan, scrape flitch along radially the arranging of baking pan, the one end of scraping the flitch is fixed and keep a determining deviation between inner wall, the other end and the pivot of the jar body. The utility model discloses tray drier can produce the sodium methoxide dry powder that the even dust of powder is few in succession fast.
Description
Technical field
The utility model is related to dry materials process field, more particularly to a kind of tray drier.
Background technology
Sodium methoxide is generally used for medicine and pesticide field as a kind of important industrial chemicals, be also frequently utilized for dyestuff and
The fields such as chemical fibre.Sodium methoxide is used in organic synthesis as condensing agent, is used as catalyst in edible oil and fat process, and
Important source material when sodium methoxide is again the pharmaceutical synthesis such as sulphaguanidine pyridine, radonil, trimethoprim (TMP), its application is widely.
At present, for the ease of transport, manufacturer mostly produces sodium methoxide dry powder and is transported, and sodium methoxide dry powder is usually
Obtained by the way that liquid methanol sodium is dried.At present, the country commonly uses vacuum rake dryer and carrys out dry liquid sodium methoxide.Very
Empty rake type drier generally includes tank body, feeding mouth, discharging opening and is arranged on the raker stirrer of tank interior, raker stirrer and motor
Rotor connection.Vacuum rake dryer is under vacuum high-temperature environment by the liquid methanol sodium evaporation entered in tank body from feeding mouth
The solid-state sodium methoxide containing part solvent is concentrated to, then the moist solid-state first of the raker stirrer agitation that backspin turns is driven using motor
Sodium alkoxide, while stirring dries solid-state sodium methoxide, to obtain sodium methoxide dry powder.
However, such vacuum rake dryer is during sodium methoxide is dried, from liquid methanol sodium be concentrated by evaporation to
Solid-state sodium methoxide, then agitated rake stirring and vacuum high-temperature drying acquisition sodium methoxide dry powder.Due to solid during rake stirring
Baking that state sodium methoxide is subject to is simultaneously uneven, so the sodium methoxide dry powder for obtaining often causes sodium methoxide dry powder containing some solvents
It is tacky, it is necessary to using crush rod tap it is loose after could completely become dry powder, powder is more after the size-reduced rod of such product is tapped,
Dust causes to waste and pollute environment greatly when client feeds intake.And vacuum rake dryer list set yields poorly, drying time is long
High energy consumption, can only manually operate intermittent production.
Utility model content
The purpose of this utility model is for the problems referred to above, there is provided a kind of tray drier, is tapped without the need for crushing rod, is led to
Cross vacuum spraying granulation and multilayer rotary type drip pan is dried, carry out the continuous few sodium methoxide of the uniform dust of powder that rapidly produces and do
Powder.
The utility model is realized by following technical proposal.
In one embodiment of the present utility model, there is provided a kind of tray drier, including tank body and it is arranged on tank body
Internal sprayer, rotating shaft, multiple drip pans and multiple material scraping plates, tank body has charging aperture and discharging opening, and charging aperture is arranged on
The top of tank body, discharging opening is arranged on the bottom of tank body, wherein, sprayer is arranged on tank interior, the entrance of sprayer with enter
Material mouth is connected；Rotating shaft is arranged on the central shaft of tank body, and rotating shaft is located at the lower section of sprayer；Multiple drip pans are equidistantly fixed on
In rotating shaft, the card of multiple drip pans is each perpendicular to rotating shaft, and multiple drip pans are respectively provided with blanking port, and the blanking port of adjacent drip pan is wrong each other
Position arrangement, the blanking port arranged on the drip pan of discharging opening matches arrangement with discharging opening；Material scraping plate is arranged on the top of drip pan,
Preset distance is kept between material scraping plate and drip pan, along the radial arrangement of drip pan, one end of material scraping plate is fixed on tank body to material scraping plate
A determining deviation is kept between inwall, the other end and rotating shaft.
According to one embodiment of the present utility model, blanking port is arranged along drip pan radial direction.
According to one embodiment of the present utility model, blanking port is arranged on the center of circle central authorities or remote of drip pan in the form of annulus
From the drip pan edge in the center of circle, center of circle central authorities are provided with the drip pan of blanking port and the drip pan that blanking port is provided with drip pan edge is handed over
For arrangement.
According to one embodiment of the present utility model, the preset distance between material scraping plate and drip pan is 6-10cm.
According to one embodiment of the present utility model, the half of a diameter of tank diameter of each drip pan, material scraping plate it is another
Spacing between one end and rotating shaft accounts for the 1/10 to 1/9 of drip pan diameter.
According to one embodiment of the present utility model, the edge around drip pan is provided with occlusion part.
According to one embodiment of the present utility model, the bottom of each drip pan is provided with heater block.
From above technical scheme, the tray drier that the utility model embodiment is provided, including tank body and be arranged on
The sprayer of tank interior, rotating shaft, multiple drip pans and multiple material scraping plates, tank body has charging aperture and discharging opening, and charging aperture sets
Put at the top of tank body, discharging opening is arranged on the bottom of tank body, wherein, sprayer is arranged on tank interior, the entrance of sprayer
It is connected with charging aperture；Rotating shaft is arranged on the central shaft of tank body, and rotating shaft is located at the lower section of sprayer；Multiple drip pans are equidistantly solid
Be scheduled in rotating shaft, the card of multiple drip pans is each perpendicular to rotating shaft, multiple drip pans are respectively provided with blanking port, the blanking port of adjacent drip pan that
This dislocation arrangement, the blanking port arranged on the drip pan of discharging opening matches arrangement with discharging opening；Material scraping plate is arranged on drip pan
Top, keeps preset distance between material scraping plate and drip pan, along the radial arrangement of drip pan, one end of material scraping plate is fixed on tank to material scraping plate
The inwall of body, a determining deviation is kept between the other end and rotating shaft.
Tray dryer machine of the present utility model, first with sprayer under vacuum high-temperature environment by liquid methanol sodium with mist
Shape particle form is ejected on the drip pan of the superiors, and the graininess sodium methoxide being ejected on the superiors' drip pan is as drip pan is rotated in
Solvent is constantly removed under vacuum high-temperature environment, then material scraping plate scrapes the sodium methoxide on the superiors' drip pan from blanking port.From
The sodium methoxide scraped on the superiors' drip pan is dropped on lower floor's drip pan, thus, sodium methoxide is scraped successively by material scraping plate from upper strata drip pan
Fall lower floor's drip pan, until it reaches undermost drip pan, then fall from undermost drip pan, fall into discharging opening.So far, sodium methoxide
Solvent is constantly removed through multilayer drip pan, finally the sodium methoxide from discharging opening out becomes sodium methoxide dry powder.In sum, liquid
Body sodium methoxide elder generation Jing sprayers are a granulated into mist particles, and then in the presence of material scraping plate, granular sodium methoxide is sequentially passed through
Multilayer drip pan, is constantly removed successively solvent on multilayer drip pan, and granular sodium methoxide ultimately becomes the uniform dust of powder
Few sodium methoxide dry powder, last sodium methoxide dry powder draws off from discharging opening.Therefore, tray drier of the present utility model is entirely being done
Rod percussion need not be crushed during dry, the few first of the uniform dust of powder continuously can rapidly be produced by sprayer and multilayer drip pan
Sodium alkoxide dry powder, effectively improves the quality and yield of sodium methoxide dry powder, greatly shortens drying time and reducing energy consumption.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment, letter will be made to the accompanying drawing to be used needed for embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the tray drier according to one embodiment of the present utility model；
Fig. 2 is the structural representation of the tray drier according to another embodiment of the present utility model；
Fig. 3 is the structural representation of the drip pan according to one embodiment of the present utility model；
In Fig. 1 to Fig. 3, reference is represented：
1- tank bodies, 2- sprayers, 3- drip pans, 4- rotating shafts, 5- material scraping plates, 11- charging apertures, 12- discharging openings, 31- blanking ports,
32- occlusion parts.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the utility model, rather than the embodiment of whole.Based on the utility model
In embodiment, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, should all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the tray drier according to one embodiment of the present utility model.
As shown in figure 1, tray drier can include tank body 1 and the sprayer 2, the multiple drip pans that are arranged on inside tank body 1
3rd, rotating shaft 4 and multiple material scraping plates 5.Tank body 1 has charging aperture 11 and discharging opening 12, and charging aperture 11 is arranged on the top of tank body 1,
Discharging opening 12 is arranged on the bottom of tank body 1.For liquid sodium methoxide enters tank body 1 to charging aperture 11, and discharging opening 12 supplies sodium methoxide dry powder
Draw off.
Sprayer 2 is arranged on the inside of tank body 1, and the entrance of sprayer 2 is connected with charging aperture 11.The setting of sprayer 2
It is to carry out mist projection granulating to liquid methanol sodium, i.e. liquid methanol sodium is become into tiny mist particles and is ejected on drip pan.
Tiny mist particles sodium methoxide, because surface area becomes big, can be heated evenly, easily drying on drip pan, and sodium methoxide is with tiny
Mist particles form is ejected on drip pan, is conducive to the follow-up sodium methoxide to particle to be dried and just can obtain the uniform first of powder
Sodium alkoxide dry powder, without the need for crushing rod acquisition sodium methoxide dry powder is tapped.
Rotating shaft 4 is arranged on the central shaft of tank body 1, and rotating shaft 4 is located at the lower section of sprayer 2.According to of the present utility model one
Individual embodiment, rotating shaft 4 can be connected with the rotor (not shown) of motor.Multiple drip pans 3 are equidistantly fixed in rotating shaft 4, multiple
The card of drip pan 3 is each perpendicular to rotating shaft 4, and multiple drip pans 3 are respectively provided with blanking port 31.As shown in figure 1, the blanking port 31 of adjacent drip pan
Miss one another arrangement.In addition, the blanking port 31 arranged on the drip pan of discharging opening 12 matches arrangement with discharging opening 12 so that most
Whole sodium methoxide dry powder can draw off from discharging opening 12.The blanking port 31 of adjacent drip pan misses one another arrangement, is to ensure methyl alcohol
Sodium can be fallen and be dried on each drip pan, not omit any one drip pan, to ensure that it is more thorough that sodium methoxide is dried.According to this
One embodiment of utility model, as shown in figure 1, blanking port 31 is arranged along drip pan radial direction.In order that adjacent drip pan falls
Material mouth 31 misses one another arrangement, and the blanking port 31 of adjacent drip pan can be arranged along different radial directions.
In the utility model, drip pan 3 can rotate under the drive of rotating shaft 4, and the drip pan of rotation can accelerate on drip pan
Sodium methoxide particle drying.According to one embodiment of the present utility model, the diameter of each drip pan can be tank diameter
Half.In one embodiment of the present utility model, the bottom of drip pan 3 can be provided with heater block, so as to quickly by first
Sodium alkoxide particle is dried.
Material scraping plate 5 is arranged on the top of drip pan 3, and between material scraping plate 5 and drip pan 3 preset distance is kept.Material scraping plate 5 is along drip pan
3 radial arrangement, one end of material scraping plate 5 is fixed between the inwall of tank body 1, the other end and rotating shaft 4 and keeps a determining deviation.At this
In utility model, between material scraping plate 5 and drip pan 3 preset distance is kept so that the particle sodium methoxide on drip pan 3 is running up to necessarily
Thickness and after the drying of certain hour, material scraping plate 5 could scrape the sodium methoxide on drip pan 3 from blanking port.Such energy
Ensure that sodium methoxide that each material scraping plate 5 is scraped from corresponding drip pan 3 have passed through the drying of certain hour so that sodium methoxide exists successively
Constantly it is dried on multiple drip pans.The preset distance between material scraping plate and drip pan can be set according to dry needs.
In one embodiment of the present utility model, the preset distance between material scraping plate and drip pan can be 6-10cm.
In addition, keeping a determining deviation to be in order that when drip pan 3 rotates, scraping between the other end of material scraping plate 5 and rotating shaft 4
Flitch 5 will not touch rotating shaft 4, to ensure the normal work and trouble free service of drip pan 3 and material scraping plate 5.In the utility model
One embodiment in, the spacing between the other end of material scraping plate 5 and rotating shaft 4 can account for the 1/10 to 1/9 of drip pan diameter.
In addition, the setting of material scraping plate 5 and blanking port 31, can be by the sodium methoxide on drip pan 3 from blanking port 31 with material scraping plate 5
Scrape and be defined.For example, material scraping plate 5 will can cover length of the blanking port 31 along drip pan radial direction along the length of drip pan radial direction
Degree.
The tray drier dry liquid methyl alcohol of the Fig. 1 according to one embodiment of the present utility model is described more fully below
The process of sodium output sodium methoxide dry powder.Operationally, the inside of tray drier of the present utility model keeps vacuum high-temperature environment,
Temperature is 100-200 DEG C.
As described above, referring to Fig. 1, liquid methanol sodium first enters tank body 1, the liquid under vacuum high-temperature environment from charging aperture 11
Body sodium methoxide Jing sprayers 2 are granulated, and the sodium methoxide of the injection mist particles form of sprayer 2 is on the superiors' drip pan 3.Mist particles
Sodium methoxide rotate with the superiors' drip pan 3, under vacuum high-temperature environment, the sodium methoxide particle on the superiors' drip pan 3 it is molten
Matchmaker is constantly reduced.As it was noted above, when the sodium methoxide on the superiors' drip pan 3 runs up to certain thickness and through the dry of certain hour
After dry, material scraping plate 5 scrapes the sodium methoxide on the superiors' drip pan 3 from blanking port 31.The sodium methoxide for scraping drops into lower floor's baking
On disk 3, in the same manner, the sodium methoxide for scraping rotates with lower floor's drip pan 3, and the solvent of sodium methoxide further subtracts in rotary course
It is few.Thus, in the presence of material scraping plate, sodium methoxide is scraped to lower floor's drip pan successively from upper strata drip pan, until it reaches undermost
Drip pan, then fall from undermost drip pan, fall into discharging opening.In the process, sodium methoxide sequentially passes through multilayer drip pan constantly
Solvent is removed, finally the sodium methoxide from discharging opening out becomes the sodium methoxide dry powder of the uniform high dry of powder.In short,
In tray drier of the present utility model, liquid methanol sodium constantly enters tank body from charging aperture 11, and Jing sprayers 2 are granulated, then
Jing multilayers drip pan 3 is constantly dried, and such process is continuously carried out in tray drier.Therefore, it is of the present utility model
Tray drying agent need not crush rod percussion, continuously can rapidly produce the few sodium methoxide dry powder of the uniform dust of powder.
Fig. 2 is the structural representation of the tray drier according to another embodiment of the present utility model.The disc type of Fig. 2 is done
Dry machine is similar to the tray drier structure of Fig. 1, and both structure something in common are referred to the description of the tray drier of Fig. 1,
Both differences are only described here.The tray drier of Fig. 2 is with the difference of the tray drier of Fig. 1, drip pan
On blanking port shape it is different with position.In fig. 2, the blanking port 31 on drip pan 3 is arranged on the baking in the form of annulus
Center of circle central authorities of disk or away from the drip pan edge in the center of circle, are provided with the drip pan of blanking port and arrange at drip pan edge in center of circle central authorities
The drip pan for having blanking port is arranged alternately in rotating shaft 4.
Fig. 3 is the structural representation of the drip pan according to one embodiment of the present utility model.
In actual production, in order to prevent sodium methoxide from falling, causing material waste from the edge of drip pan, drip pan can be surround
Edge arrange occlusion part.As shown in figure 3, on drip pan 3 in addition to blanking port (Fig. 3 is not shown) is set, can be with drip pan 3
Edge on occlusion part 32 is set preventing sodium methoxide from falling from drip pan edge.
In sum, when tray dryer machine of the present utility model works, first by sprayer by liquid methanol sodium with mist
Shape particle form is ejected on drip pan, and the sodium methoxide of particle form is constantly removed solvent on the drip pan of rotation, in scraper
In the presence of plate, the sodium methoxide of particle form is scraped on lower floor's drip pan successively from upper strata drip pan, and then sodium methoxide dries in multilayer
Solvent is constantly removed on disk, sodium methoxide dry powder is eventually become and is drawn off from discharging opening.In short, in disc type of the present utility model
In drying machine, liquid methanol sodium constantly enters tank body from charging aperture, and Jing sprayers are a granulated into the sodium methoxide of particle form, then Jing many
Layer drip pan is constantly dried to sodium methoxide dry powder, and such process is continuously carried out in tray drier.As can be seen here, originally
The tray drier of utility model need not crush rod percussion, continuously can rapidly produce powder by sprayer and multilayer drip pan equal
The few sodium methoxide dry powder of even, dust, improves sodium methoxide dry powder quality and yield, and substantially reduces drying time and reduction
Energy consumption.
The above is only specific embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of tray drier, it is characterised in that including tank body (1) and be arranged on the internal sprayer (2) of tank body (1), many
Individual drip pan (3), rotating shaft (4) and multiple material scraping plates (5), the tank body (1) is described with charging aperture (11) and discharging opening (12)
Charging aperture (11) is arranged on the top of the tank body (1), and the discharging opening (12) is arranged on the bottom of the tank body (1), wherein,
The sprayer (2) is arranged on the tank body (1) inside, entrance and the charging aperture (11) phase of the sprayer (2)
Connection；
The rotating shaft (4) is arranged on the central shaft of the tank body (1), and the rotating shaft (4) is under the sprayer (2)
Side；
Multiple drip pans (3) are equidistantly fixed in the rotating shaft (4), and the card of multiple drip pans (3) is each perpendicular to institute
State rotating shaft (4), multiple drip pans (3) are respectively provided with blanking port (31), the blanking port (31) of adjacent drip pan misses one another arrangement, leans on
The blanking port (31) arranged on the drip pan (3) of the nearly discharging opening (12) matches arrangement with the discharging opening (12)；
The material scraping plate (5) is arranged on the top of the drip pan (3), keeps pre- between the material scraping plate (5) and the drip pan (3)
Set a distance, along the radial arrangement of the drip pan (3), one end of the material scraping plate (5) is fixed on the tank body to the material scraping plate (5)
(1) inwall, between the other end and the rotating shaft (4) determining deviation is kept.
2. tray drier according to claim 1, it is characterised in that the blanking port (31) is along the drip pan (3) footpath
To direction arrangement.
3. tray drier according to claim 1, it is characterised in that the blanking port (31) is arranged in the form of annulus
In the center of circle central authorities of the drip pan (3) or away from the drip pan edge in the center of circle, center of circle central authorities are provided with the drip pan of blanking port (31)
(3) it is arranged alternately with the drip pan (3) that blanking port (31) are provided with drip pan edge.
4. tray drier according to claim 1, it is characterised in that between the material scraping plate (5) and the drip pan (3)
Preset distance be 6-10cm.
5. tray drier according to claim 1, it is characterised in that a diameter of described tank body (1) of each drip pan (3)
Diameter half, the spacing between the other end of the material scraping plate (5) and the rotating shaft (4) accounts for the 1/ of the diameter of drip pan (3)
10 to 1/9.
6. tray drier according to claim 1, it is characterised in that the edge around the drip pan (3) is provided with screening
Stopper (32).
7. tray drier according to claim 1, it is characterised in that the bottom of each drip pan (3) is provided with heating part
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115104.8U CN206094789U (en) | 2016-10-12 | 2016-10-12 | Tray drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115104.8U CN206094789U (en) | 2016-10-12 | 2016-10-12 | Tray drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206094789U true CN206094789U (en) | 2017-04-12 |
Family
ID=60413636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621115104.8U Active CN206094789U (en) | 2016-10-12 | 2016-10-12 | Tray drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206094789U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019927A (en) * | 2017-04-18 | 2017-08-08 | 成都绿林科技有限公司 | For the quick-drying drying machine of medicine |
| CN112066668A (en) * | 2020-09-22 | 2020-12-11 | 邵本旺 | Agricultural seed treatment device |
| CN113091406A (en) * | 2021-04-12 | 2021-07-09 | 武凡越 | Tower type step dehydration system and dehydration method for coal gasification coarse slag |
| CN113454004A (en) * | 2021-05-26 | 2021-09-28 | 深圳市宏讯实业有限公司 | Stacked disc type laying and feeding mechanism |
-
2016
- 2016-10-12 CN CN201621115104.8U patent/CN206094789U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019927A (en) * | 2017-04-18 | 2017-08-08 | 成都绿林科技有限公司 | For the quick-drying drying machine of medicine |
| CN112066668A (en) * | 2020-09-22 | 2020-12-11 | 邵本旺 | Agricultural seed treatment device |
| CN113091406A (en) * | 2021-04-12 | 2021-07-09 | 武凡越 | Tower type step dehydration system and dehydration method for coal gasification coarse slag |
| CN113454004A (en) * | 2021-05-26 | 2021-09-28 | 深圳市宏讯实业有限公司 | Stacked disc type laying and feeding mechanism |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tray dryer Effective date of registration: 20220726 Granted publication date: 20170412 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA BEST PHARMACEUTICAL CHEMICAL CO.,LTD. Registration number: Y2022640000014 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230713 Granted publication date: 20170412 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA BEST PHARMACEUTICAL CHEMICAL CO.,LTD. Registration number: Y2022640000014 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A disc dryer Effective date of registration: 20230803 Granted publication date: 20170412 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA BEST PHARMACEUTICAL CHEMICAL CO.,LTD. Registration number: Y2023640000026 |