CN207655117U - A kind of concentration kettle for producing sildenafil intermediate - Google Patents
A kind of concentration kettle for producing sildenafil intermediate Download PDFInfo
- Publication number
- CN207655117U CN207655117U CN201721364150.6U CN201721364150U CN207655117U CN 207655117 U CN207655117 U CN 207655117U CN 201721364150 U CN201721364150 U CN 201721364150U CN 207655117 U CN207655117 U CN 207655117U
- Authority
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- China
- Prior art keywords
- concentration kettle
- compression
- fixedly connected
- agitator tank
- agitating device
- Prior art date
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- Expired - Fee Related
Links
- BNRNXUUZRGQAQC-UHFFFAOYSA-N Sildenafil Chemical compound CCCC1=NN(C)C(C(N2)=O)=C1N=C2C(C(=CC=1)OCC)=CC=1S(=O)(=O)N1CCN(C)CC1 BNRNXUUZRGQAQC-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229960003310 sildenafil Drugs 0.000 title claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000000565 sealant Substances 0.000 claims description 11
- 210000000214 Mouth Anatomy 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000005299 abrasion Methods 0.000 claims 1
- 230000001737 promoting Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 229910000792 Monel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 2
- -1 carbon manganese Chemical compound 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003638 reducing agent Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- CZPWVGJYEJSRLH-UHFFFAOYSA-N 289-95-2 Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K 2qpq Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 240000007871 Indigofera tinctoria Species 0.000 description 1
- 229960002639 Sildenafil citrate Drugs 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000023298 conjugation with cellular fusion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- DEIYFTQMQPDXOT-UHFFFAOYSA-N sildenafil citrate Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.CCCC1=NN(C)C(C(N2)=O)=C1N=C2C(C(=CC=1)OCC)=CC=1S(=O)(=O)N1CCN(C)CC1 DEIYFTQMQPDXOT-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000021037 unidirectional conjugation Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of concentration kettles for producing sildenafil intermediate, are related to medical pharmaceutical technology field.This is used to produce the concentration kettle of sildenafil intermediate, including concentration kettle ontology, the concentration kettle ontology include agitating device and compression set, are fixedly linked at the top of the bottom of the agitating device and compression set.This is used to produce the concentration kettle of sildenafil intermediate, stirring lower box part designs for incline structure, on the one hand, concentration kettle ontology improves the sinking speed of material by agitating device, on the other hand, concentration kettle ontology carries out Fast Compression by the compression set material stirred to agitating device, the working efficiency of concentration kettle ontology can be promoted, novel in structural design, it is rationally distributed, conducive to promoting the use of, solves the existing concentration kettle for producing sildenafil intermediate, material sinking speed is slower, working efficiency is relatively low, the problem of being unfavorable for promoting the use of.
Description
Technical field
The utility model is related to medical pharmaceutical technology fields, specially a kind of for producing among sildenafil
The concentration kettle of body.
Background technology
The broad understanding of reaction kettle has the container physically or chemically reacted, is matched with parameter by the structure design to container
It sets, realizes the mixture function of the heating of technological requirement, evaporation, cooling and low high speed.Reaction kettle be widely used in oil, chemical industry,
Rubber, pesticide, dyestuff, medicine, food, for completing the pressure of the technical process such as vulcanization, nitrification, hydrogenation, hydrocarbonylation, polymerization, condensation
Force container, such as reactor, reaction pot, decomposition pot, polymeric kettle etc.；Material generally has carbon manganese steel, stainless steel, zirconium, Ni-based (Kazakhstan
Family name, Monel, inconel) alloy and other composite materials.The broad understanding of reaction kettle, which has, physically or chemically reacts stainless
Steel container carries out the structure design and parameter configuration of container, design condition, process, inspection according to different process conditions demands
And manufacture, check and accept and need according to Its Relevant Technology Standards, the mixture to realize the heating of technological requirement, evaporation, cooling and low high speed is anti-
Answer function.Pressure vessel must comply with the standard of GB150 { steel pressure vessel }, and non-pressure vessel must comply with NB/T47003.1-
The standard of 2009 { steel welding non-pressure vessels }.The pressure requirements in reaction process are to the design requirement of container also phase not to the utmost therewith
Together.Production must be processed, be detected in strict accordance with corresponding standard and trial operation.Stainless steel cauldron is according to different production works
Skill, operating condition etc. are not quite similar, and the design structure and parameter of reaction kettle are different, i.e. the structural style of reaction kettle is different, belongs to
Nonstandard tankage.
Reaction kettle is comprehensive reaction vessel, the design according to reaction condition to reaction kettle structure function and configuration attachment.From
Charging-reaction-discharging of beginning can complete pre-set reaction step with higher the degree of automation, to reacting
The important parameters such as temperature, pressure, mechanics control (stirring, air blast etc.), reactant/product concentration in journey carry out stringent tune
Control.Its structure is generally made of autoclave body, transmission device, agitating device, heating device, cooling device, sealing device.It is corresponding mating
Ancillary equipment：Still, condenser, water knockout drum, collecting tank, filter etc..
Reaction kettle material generally has carbon manganese steel, stainless steel, zirconium, Ni-based (Kazakhstan, Monel) alloy and other composite materials.
The manufacture of the stainless steel materials such as SUS304, SUS316L can be used in reaction kettle.Blender has anchor formula, frame, paddle, turbine type, scraper plate
Cycloidal planetary gear speed reducer, stepless reducer or frequency control etc. can be used in formula, combined type, rotating mechanism, can meet various
The special reaction requirement of material.The sealing structures such as mechanical seal, packing seal can be used in sealing device.Heating, cooling can be used
Structures, the mode of heatings such as chuck, semicanal, coil pipe, Miller plate have：Steam, electrical heating, conduction oil, with meet acidproof, high temperature resistant,
The technique of the different operatings environment such as wear-resistant, anticorrosive needs.And it can be designed, be manufactured according to user's technological requirement.
Sildenafil citrate is drug name, main component and chemical name：1- [4- ethyoxyls -3- [5- (6,7- dihydros -
1- methyl -7- oxos -3- propyl -1H- pyrazolos [4,3d] pyrimidine)] benzene sulfonyl] -4- methylpiperazine citrate this product be indigo plant
Color diamond shape film-coating, remove film-coating after be white pulvis.
Currently, the existing concentration kettle for producing sildenafil intermediate, material sinking speed is slower, work
Make less efficient, is unfavorable for promoting the use of.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of for producing sildenafil intermediate
Concentration kettle, solve it is existing for producing the concentration kettle of sildenafil intermediate, sinking speed is slower, work
It is less efficient, the problem of being unfavorable for promoting the use of.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：One kind for produce western ground that
The concentration kettle of non-citrate intermediate, including concentration kettle ontology, the concentration kettle ontology include agitating device and compression set,
It is fixedly linked at the top of the bottom of the agitating device and compression set, the agitating device includes agitator tank, the agitator tank
Top be fixedly connected with stirring motor, the first feeding mouth, the one side of the agitator tank are additionally provided at the top of the agitator tank
Equipped with the second feeding mouth, the compression set includes compression box, and the one side of the compression box is fixedly connected with telescope motor, institute
The telescopic shaft for stating telescope motor extends to the inside of compression box, the discharge port and the entrance at the top of compression box of the agitator tank bottom
Place is connected, and the discharge port of the agitator tank bottom is equipped with electromagnetic valve, and the compression box is internally provided with compression blocks,
The outer surface of compression blocks is fixedly connected with sealant, which is high-molecular polythene wear-resistant sealant, the compression blocks
The telescopic shaft of one side and telescope motor is fixedly linked, and the one side of the compression box far from telescope motor is fixedly connected with filtering
Plate offers on the filter plate and is uniformly distributed filter mesh, and the side of the filter plate is exported equipped with material leakage, and the material leakage goes out
Mouth is fixedly connected in compression box.
Preferably, the agitator tank is internally provided with agitating shaft, and the top of the agitating shaft passes through shaft coupling and stirring electricity
The output shaft of machine is fixedly linked, and the outer surface of the agitating shaft is fixedly connected with stirring blade.
Preferably, the bottom of the compression box is fixedly connected with support leg, and the bottom of the support leg is fixedly connected with bottom
Plate.
Preferably, rewinding case is fixedly connected on the bottom plate, the rewinding case is located at the underface of material leakage outlet.
Preferably, the bottom of the telescope motor is fixedly connected with transverse slat, and one end of the transverse slat is fixedly connected on compression
On case.
(3) advantageous effect
The utility model provides a kind of for producing the concentration kettle of sildenafil intermediate, and having following has
Beneficial effect：
(1) concentration kettle for being used to produce sildenafil intermediate, stirring lower box part design for incline structure,
On the one hand, concentration kettle ontology improves the sinking speed of material by agitating device, and on the other hand, concentration kettle ontology passes through compression
The device material stirred to agitating device carries out Fast Compression, can promote the working efficiency of concentration kettle ontology, structure design
Novelty, it is rationally distributed, conducive to promoting the use of, solve the existing concentration for producing sildenafil intermediate
Kettle, material sinking speed is slower, and working efficiency is relatively low, the problem of being unfavorable for promoting the use of.
(2) concentration kettle for being used to produce sildenafil intermediate, on the one hand, the outer surface of compression blocks is fixed
It is connected with sealant, on the other hand, which is high-molecular polythene wear-resistant sealant, can promote compression blocks and compression box
Between leakproofness, and then promoted compression set reduced overall effect, novel in structural design is rationally distributed, makes conducive to popularization
With.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model agitating device
Fig. 3 is the structural schematic diagram of the utility model compression set part.
In figure：1 concentration kettle ontology, 2 agitating devices, 201 agitator tanks, 202 stirring motors, 203 first feeding mouths, 204
Two feeding mouths, 205 electromagnetic valves, 206 agitating shafts, 207 stirring blades, 3 compression sets, 301 compression box, 302 telescope motors,
303 telescopic shafts, 304 compression blocks, 3041 sealants, 305 filter plates, the outlet of 306 material leakages, 307 support legs, 308 bottom plates, 4 rewindings
Case, 5 transverse slats.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：One kind is for producing in sildenafil
The concentration kettle of mesosome, including concentration kettle ontology 1, concentration kettle ontology 1 include agitating device 2 and compression set 3, agitating device 2
Bottom and the top of compression set 3 are fixedly linked, and agitating device 2 includes agitator tank 201, and the top of agitator tank 201 is fixedly connected
There are stirring motor 202, the top of agitator tank 201 to be additionally provided with the first feeding mouth 203, the one side of agitator tank 201 enters equipped with second
Material mouth 204, agitator tank 201 are internally provided with agitating shaft 206, and the top of agitating shaft 206 passes through shaft coupling and stirring motor 202
Output shaft is fixedly linked, and the outer surface of agitating shaft 206 is fixedly connected with stirring blade 207, and compression set 3 includes compression box 301,
The one side of compression box 301 is fixedly connected with telescope motor 302, and the bottom of telescope motor 302 is fixedly connected with transverse slat 5, transverse slat 5
One end be fixedly connected in compression box 301, the telescopic shaft 303 of telescope motor 302 extends to the inside of compression box 301, stirring
The discharge port of 201 bottom of case is connected with the inlet at 301 top of compression box, and the discharge port of 201 bottom of agitator tank is equipped with
Electromagnetic valve 205, compression box 301 are internally provided with compression blocks 304, the outer surface of compression blocks 304 is fixedly connected with sealant
3041, which is high-molecular polythene wear-resistant sealant, the one side of compression blocks 304 and stretching for telescope motor 302
Contracting axis 303 is fixedly linked, and one side of the compression box 301 far from telescope motor 302 is fixedly connected with filter plate 305, filter plate 305
On offer and be uniformly distributed filter mesh, the side of filter plate 305 is equipped with material leakage and exports 306, and material leakage outlet 306 is fixedly connected on
In compression box 301, the bottom of compression box 301 is fixedly connected with support leg 307, and the bottom of support leg 307 is fixedly connected with bottom plate
308, rewinding case 4 is fixedly connected on bottom plate 308, rewinding case 4 is located at the underface of material leakage outlet 306.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion this is used to produce the concentration kettle of sildenafil intermediate, 201 lower part of agitator tank is to tilt
Structure design, on the one hand, concentration kettle ontology 1 improves the sinking speed of material by agitating device 2, on the other hand, concentration kettle
Ontology 1 carries out Fast Compression by the material stirred to agitating device 2 of compression set 3, can promote the work of concentration kettle ontology 1
Make efficiency, novel in structural design is rationally distributed, conducive to promoting the use of, solves existing for producing silaenafil citric acid
The concentration kettle of salt intermediate, material sinking speed is slower, and working efficiency is relatively low, the problem of being unfavorable for promoting the use of.
And, on the one hand, the outer surface of compression blocks 304 is fixedly connected with sealant 3041, on the other hand, the sealant
3041 be high-molecular polythene wear-resistant sealant, can promote the leakproofness between compression blocks 304 and compression box 301, Jin Erti
The reduced overall effect of boosting compression apparatus 3, novel in structural design is rationally distributed, conducive to promoting the use of.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
Can be that the first and second features are in direct contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
It touches.Moreover, fisrt feature second feature " on ", " top " and " above " but fisrt feature right over second feature or
Oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than
Second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of concentration kettle for producing sildenafil intermediate, including concentration kettle ontology (1), feature exists
In：The concentration kettle ontology (1) includes agitating device (2) and compression set (3), the bottom of the agitating device (2) and compression
Device is fixedly linked at the top of (3), and the agitating device (2) includes agitator tank (201), and the top of the agitator tank (201) is solid
Surely it is connected with stirring motor (202), the first feeding mouth (203), the agitator tank are additionally provided at the top of the agitator tank (201)
(201) one side is equipped with the second feeding mouth (204), and the compression set (3) includes compression box (301), the compression box
(301) one side is fixedly connected with telescope motor (302), and the telescopic shaft (303) of the telescope motor (302) extends to compression
The discharge port of the inside of case (301), agitator tank (201) bottom is connected with the inlet at the top of compression box (301), and institute
The discharge port for stating agitator tank (201) bottom is equipped with electromagnetic valve (205), and the compression box (301) is internally provided with compression blocks
(304), the outer surface of compression blocks (304) is fixedly connected with sealant (3041), which is high molecular polythene
Abrasion sealer, the one side of the compression blocks (304) are fixedly linked with the telescopic shaft (303) of telescope motor (302), the pressure
One side of the contracting case (301) far from telescope motor (302) is fixedly connected with filter plate (305), is opened up on the filter plate (305)
It is uniformly distributed filter mesh, the side of the filter plate (305) is equipped with material leakage and exports (306), and the material leakage outlet (306) is solid
Surely it is connected in compression box (301).
2. a kind of concentration kettle for producing sildenafil intermediate according to claim 1, feature exist
In：The agitator tank (201) is internally provided with agitating shaft (206), and the top of the agitating shaft (206) passes through shaft coupling and stirring
The output shaft of motor (202) is fixedly linked, and the outer surface of the agitating shaft (206) is fixedly connected with stirring blade (207).
3. a kind of concentration kettle for producing sildenafil intermediate according to claim 1, feature exist
In：The bottom of the compression box (301) is fixedly connected with support leg (307), and the bottom of the support leg (307) is fixedly connected with
Bottom plate (308).
4. a kind of concentration kettle for producing sildenafil intermediate according to claim 3, feature exist
In：Rewinding case (4) is fixedly connected on the bottom plate (308), the rewinding case (4) is located at the underface of material leakage outlet (306).
5. a kind of concentration kettle for producing sildenafil intermediate according to claim 1, feature exist
In：The bottom of the telescope motor (302) is fixedly connected with transverse slat (5), and one end of the transverse slat (5) is fixedly connected on compression box
(301) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364150.6U CN207655117U (en) | 2017-10-23 | 2017-10-23 | A kind of concentration kettle for producing sildenafil intermediate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364150.6U CN207655117U (en) | 2017-10-23 | 2017-10-23 | A kind of concentration kettle for producing sildenafil intermediate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207655117U true CN207655117U (en) | 2018-07-27 |
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ID=62937283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721364150.6U Expired - Fee Related CN207655117U (en) | 2017-10-23 | 2017-10-23 | A kind of concentration kettle for producing sildenafil intermediate |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453731A (en) * | 2018-11-23 | 2019-03-12 | 南京森尔电力器材有限公司 | A kind of production of environment-friendly type plastic material stabilizer and transmitting device |
-
2017
- 2017-10-23 CN CN201721364150.6U patent/CN207655117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453731A (en) * | 2018-11-23 | 2019-03-12 | 南京森尔电力器材有限公司 | A kind of production of environment-friendly type plastic material stabilizer and transmitting device |
| CN109453731B (en) * | 2018-11-23 | 2020-11-24 | 南京森尔电力器材有限公司 | Production and transmission device of environmental protection type plastic stabilizer |
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