CN202052655U - Air flow type atomization device - Google Patents
Air flow type atomization device Download PDFInfo
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- CN202052655U CN202052655U CN201120090710XU CN201120090710U CN202052655U CN 202052655 U CN202052655 U CN 202052655U CN 201120090710X U CN201120090710X U CN 201120090710XU CN 201120090710 U CN201120090710 U CN 201120090710U CN 202052655 U CN202052655 U CN 202052655U
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Abstract
The utility model relates to an air flow type atomization device comprising a spray gun and a support tube. The spray gun is provided with at least four telescoped nozzles, wherein the nozzle in the center is a material liquid nozzle and the material liquid nozzle is provided with a material liquid hole; other nozzles are gas nozzles; the front part of the inner cavity of each gas nozzle is an atomization zone; the lower part of the cylinder of the material liquid nozzle is contracted inwards to form an annular clearance; in the gas nozzles, except for the gas nozzles at the outermost layer, the lower parts of the cylinders of other gas nozzles are all contracted inwards to form annular clearances; the outer wall of the upper part of the cylinder of the material liquid nozzle is provided with a plurality of spiral grooves which are distributed uniformly and run through the front atomization zone and the rear annular clearance; except for the gas nozzles at the outermost layer, the outer walls of the upper parts of the cylinders of other gas nozzles are respectively provided with a plurality of spiral grooves which are distributed uniformly and run through respective front atomization zone and respective rear annular clearance; and the spiral directions of the spiral grooves on the adjacent nozzles at the inner and outer layers are opposite to each other. The air flow type atomization device has very strong atomization capability and can be suitable for the atomization of the material liquid with poor flowability, high viscosity and filiform fission.
Description
Technical field
The utility model relates to the air-blast atomization device that uses in the spray dryer.
Background technology
The operation principle of air-blast atomization device is to utilize high velocity air to make liquid film produce division, and high velocity air can adopt compressed air.When compressed air with very high annular space speed when atomizer sprays, the flow velocity of feed liquid is very low, so both exist very big relative speed difference, produces frictional force and shearing force between the gas-liquid, makes feed liquid form tiny droplet.China Patent No. is that 00240918.6 utility model patent specification discloses a kind of spray-drying pelleting machine; its atomizer spray gun is a kind of spray gun of three streamings, and the secondary compressed air passage that compressed air channel that the liquid material passage that it is made up of liquid material pipe in the stay pipe and hydrojet material mouth, compressed air hose and compressed air body nozzle are formed and secondary compressed air pipe and secondary compressed air body nozzle are formed constitutes.Though centrifugal relatively spraying and press spray, can the atomize feed liquid of viscosity higher of air-blast atomization, but when pneumatic spray drying handle some mobile poor, viscosity greatly, during the feed liquid of mitoschisis, if spray gun atomizing ability is strong inadequately, silk in the mitoschisis is easy fracture not, causes the product granularity lack of homogeneity.
Summary of the invention
The purpose of this utility model is to propose to have a kind of air-blast atomization device of high strength atomizing ability, and this air-blast atomization device adaptation flowability is poor, viscosity big, the atomizing of the feed liquid of mitoschisis.
For achieving the above object, the utility model is taked following technical scheme:
The utility model comprises spray gun and stay pipe, spray gun has at least 4 nestable nozzles, the nozzle that is in the center is the feed liquid nozzle, the feed liquid nozzle is provided with the feed liquid hole, other nozzle is a gas nozzle, the inner chamber front portion of each gas nozzle is the range of atomization, the formation contraction flow region is inwardly shunk in the cylinder bottom of described feed liquid nozzle, make the feed liquid nozzle and be in and around the cylinder contraction flow region of feed liquid nozzle, form the annular gap between its outer field gas nozzle, in the gas nozzle except that outermost gas nozzle, contraction flow region all inwardly shrink to be formed at the cylinder bottom of other gas nozzle, makes between the two adjacent gas nozzles of ectonexine around the cylinder contraction flow region of the gas nozzle of internal layer and forms the annular gap; The cylinder external wall of upper portion of described feed liquid nozzle is provided with many equally distributed helicla flutes, except that outermost gas nozzle, also be equipped with many equally distributed helicla flutes on the cylinder external wall of upper portion of other gas nozzle, helicla flute on above-mentioned each nozzle all connects each self-corresponding range of atomization and annular gap, thereby forms multi-level spiral air-jet channel in spray gun; Helicla flute rotation direction on the ectonexine adjacent nozzles is opposite; The body of described stay pipe is connected with the outermost gas nozzle of spray gun, be provided with the middle cylinder that is connected with the feed liquid nozzle and the nestable air inlet pipe that on middle cylinder and with each gas nozzle, connects one to one in the stay pipe, in cylinder be provided with all-in-one-piece feed liquid hole, feed liquid hole with the feed liquid nozzle, form in the stay pipe respectively with spray gun in the corresponding one by one annular air channel that joins in each annular gap.
The cylinder external wall of upper portion upper end of described feed liquid nozzle is provided with locating notch, in the gas nozzle except that outermost gas nozzle, the cylinder external wall of upper portion upper end of other gas nozzle is equipped with locating notch, the inwall of the outer field gas nozzle of feed liquid nozzle is provided with the alignment pin corresponding with the locating notch of feed liquid nozzle, respectively be provided with on the inwall of other gas nozzles with the gas nozzle that is in its internal layer on the corresponding alignment pin of locating notch.
Be connected by the hollow Connection Block between the outermost gas nozzle of described stay pipe and spray gun.
The locating notch of the gas nozzle adjacent with outermost gas nozzle is a cannelure, and the outermost layer gas nozzle is threaded on the hollow Connection Block.
The rear end of described feed liquid nozzle cylinder is connected with screw rod, and the feed liquid nozzle is connected by screw flight on the middle cylinder of stay pipe, is provided with sealing ring between the bottom surface of feed liquid nozzle screw rod and the contact-making surface of middle cylinder.
Adopt between the corresponding air inlet pipe in described each gas nozzle and the stay pipe and dock, be provided with sealing ring between each gas nozzle and the corresponding air inlet pipe.
The utlity model has following good effect: when material is flowed out by the feed liquid nozzle, be subjected to the shear action of internal layer rotation high velocity air to be split into big droplet in the one-level range of atomization, droplet enters the secondary range of atomization with air-flow, the air flow direction of secondary range of atomization is opposite with the air flow direction of one-level range of atomization, then the air-flow of secondary range of atomization is opposite with the droplet direction of motion that enters, thereby strong atomizing shear action is taken place in droplet, droplet enters the next stage range of atomization, the air flow direction with the secondary range of atomization is opposite again for three grades of range of atomization air-flows, thereby once more droplet is made strong atomizing shear action, strong atomizing is step by step sheared, and makes material reach the fine spherical grains droplet.The introducing of back draught helps the fracture of the silk in the mitoschisis especially, and this air-blast atomization device atomizing is very capable, can adapt to solid content and reach 50%～55% liquid material atomizing, can adapt to mobile poor, viscosity greatly, the feed liquid of mitoschisis atomizes.The mode that successively presses down is adopted in the location of each nozzle in the spray gun of this atomizer, and is simple in structure, easy to assembly.The application of this atomizer helps using the spray drying device of this atomizer to improve production capacity, reduces energy resource consumption.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail below.
Fig. 1 is the configuration diagram of embodiment 1.
Fig. 2 is a feed liquid structure of nozzle diagrammatic sketch.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the configuration diagram of first gas nozzle.
Fig. 5 is the B-B cutaway view of Fig. 4.
Fig. 6 is the configuration diagram of second gas nozzle.
Fig. 7 is the C-C cutaway view of Fig. 6.
Fig. 8 is the configuration diagram of the 3rd gas nozzle.
Fig. 9 is the D-D cutaway view of Fig. 8.
Figure 10 is the i.e. configuration diagram of the 4th gas nozzle of outermost gas nozzle.
Figure 11 is the vertical view of Figure 10.
Figure 12 is the configuration diagram of embodiment 2.
Figure 13 is the configuration diagram of the 3rd gas nozzle among the embodiment 2.
Figure 14 is the e-e cutaway view of Figure 13.
The specific embodiment
(embodiment 1)
See Fig. 1 to Figure 11, present embodiment comprises spray gun 1, hollow Connection Block 2 and stay pipe 3.Spray gun 1 has 5 mutually nestable nozzles, and wherein Zhong Jian nozzle is feed liquid nozzle 1-1, and other 4 nozzles are gas nozzle 1-2.Gas nozzle 1-2 comprises that from interior to the first outer gas nozzle 1-2a, the second gas nozzle 1-2b, the 3rd gas nozzle 1-2c, the 4th gas nozzle 1-2d, the 4th gas nozzle 1-2d is in outermost gas nozzle, plays a part shell simultaneously.Described stay pipe 2 promptly is connected by described hollow Connection Block 2 between the 4th gas nozzle 1-2d with the outermost layer gas nozzle of spray gun 1.
Described feed liquid nozzle 1-1 comprises conical nose 1-1a and cylinder, and feed liquid nozzle 1-1 is provided with feed liquid hole 1-1f.Gas nozzle 1-2 comprises conical nose and cylinder.The conical nose 1-2a-a inner chamber of the first gas nozzle 1-2a and the space that is in the place ahead, feed liquid aperture of feed liquid nozzle 1-1 are one-level range of atomization a1, the conical nose 1-2b-a inner chamber of the second gas nozzle 1-2b and the space that is in outlet the place ahead of the first gas nozzle 1-2a are secondary range of atomization a2, and the like, the conical nose inner chamber of the 3rd gas nozzle 1-2c conical nose inner chamber front portion anterior and the 4th gas nozzle 1-2d is respectively three grades of range of atomization a3 and level Four range of atomization a4.
The cylinder bottom of described feed liquid nozzle 1-1 is inwardly shunk and is formed contraction flow region 1-1c, make feed liquid nozzle 1-1 and be in its outer field gas nozzle and promptly around feed liquid nozzle cylinder contraction flow region 1-1c, form annular gap b between the first gas nozzle 1-2a, among the gas nozzle 1-2 except that outermost gas nozzle promptly the 4th gas nozzle 1-2d, other gas nozzle i.e. the first gas nozzle 1-2a, the second gas nozzle 1-2b, the cylinder bottom of the 3rd gas nozzle 1-2c is all inwardly shunk and is formed contraction flow region, make between the two adjacent gas nozzles of ectonexine around the cylinder contraction flow region of the gas nozzle of internal layer and form annular gap b, promptly around the cylinder contraction flow region 1-2a-c of the first gas nozzle 1-2a, form annular gap b between the first gas nozzle 1-2a and the second gas nozzle 1-2b, around the cylinder contraction flow region 1-2b-c of the second gas nozzle 1-2b, form annular gap b between the second gas nozzle 1-2b and the 3rd gas nozzle 1-2c, around the cylinder contraction flow region 1-2c-c of the 3rd gas nozzle 1-2c, form annular gap b between the 3rd gas nozzle 1-2c and the 4th gas nozzle 1-2d.
The cylinder top 1-1b outer wall of described feed liquid nozzle 1-1 pastes mutually with the inwall of its outer field first gas nozzle 1-2a, on the 1-1b outer wall of the cylinder top of feed liquid nozzle 1-1, be evenly distributed with dextrorotation to four helicla flute c1, helicla flute c1 connects the one-level range of atomization a1 in the place ahead and the annular gap b of rear correspondence, thus form dextrorotation to the first level air-jet channel.The cylinder top 1-2a-b outer wall of the first gas nozzle 1-2a pastes mutually with the inwall of the second gas nozzle 1-2b, be evenly distributed with the helicla flute c2 of four counterclockwise rotation directions on the cylinder top 1-2a-b outer wall of the first gas nozzle 1-2a, this helicla flute c2 connects the secondary range of atomization a2 in the place ahead and the annular gap b of rear correspondence, thereby forms the second level air-jet channel of counterclockwise rotation direction.The cylinder top 1-2b-b outer wall of the second gas nozzle 1-2b pastes mutually with the inwall of the 3rd gas nozzle 1-2c, be evenly distributed with on the cylinder top 1-2b-b outer wall of the second gas nozzle 1-2b four dextrorotations to helicla flute c1, this helicla flute c1 connects the three grades of range of atomization a3 in the place ahead and the annular gap b of rear correspondence, thus form dextrorotation to the tri-layer air-jet channel.The cylinder top 1-2c-b outer wall of the 3rd gas nozzle 1-2c and outermost layer the gas nozzle i.e. inwall of the 4th gas nozzle 1-2d paste mutually, be evenly equipped with the helicla flute c2 of four counterclockwise rotation directions on the cylinder top 1-2c-b outer wall of the 3rd gas nozzle 1-2c, this helicla flute c2 connects the level Four range of atomization a4 in the place ahead and the annular gap b of rear correspondence, thereby forms the 4th level air-jet channel of counterclockwise rotation direction.
Helicla flute c1 on the above-mentioned feed liquid nozzle 1-1 cylinder, the rotation direction unanimity of the helicla flute c1 on the second gas nozzle 1-2b cylinder, the rotation direction of helicla flute c2 on helicla flute c2 on the first gas nozzle 1-2a cylinder and the 3rd gas nozzle 1-2c cylinder is consistent, helicla flute c2 rotation direction on the helicla flute c1 on the feed liquid nozzle 1-1 cylinder and the first gas nozzle 1-2a cylinder is opposite, and the helicla flute rotation direction on promptly adjacent two nozzles is opposite.
Described the 4th gas nozzle 1-2d is threaded on the described hollow Connection Block 2, for convenient the 4th gas nozzle 1-2d is tightened on the hollow Connection Block 2, is fixed with the 1-2d-1 of hex wrench portion on the outer wall of the 4th gas nozzle 1-2d.The body 3-3 of described stay pipe 3 is fixed on the bottom of described hollow Connection Block 2.
Adopt the mode that successively presses down to locate between the nozzle.The 1-2b outer wall upper end, cylinder top of described feed liquid nozzle 1-1 is provided with locating notch 1-1-1, among the described gas nozzle 1-2 except that the 4th gas nozzle 1-2d, other gas nozzle i.e. the first gas nozzle 1-2a, the second gas nozzle 1-2b, respectively there is locating notch the outer wall upper end on each cylinder top of the 3rd gas nozzle 1-2c, described feed liquid nozzle 1-1, respectively be evenly distributed with 2 locating notches on the first gas nozzle 1-2a and the second gas nozzle 1-2b, correspondingly, the first gas nozzle 1-2a, the second gas nozzle 1-2b, respectively be provided with 2 alignment pin 1-2-2 on the inwall of the 3rd gas nozzle 1-2c, 2 alignment pin 1-2-2 on the first gas nozzle 1-2a embed respectively in 2 locating notches of its internal layer feed liquid nozzle 1-1,2 alignment pin 1-2-2 on the second gas nozzle 1-2b embed respectively in 2 locating notches of the first gas nozzle 1-2a, and 2 alignment pin 1-2-2 on the 3rd gas nozzle embed respectively among 2 locating notch 1-2-1 of the second gas nozzle 1-2b.After feed liquid nozzle 1-1 was fixed, the axial and radial motion of the first gas nozzle 1-2a, the second gas nozzle 1-2b and the 3rd gas nozzle 1-2c all was restricted and is fixed.Because outermost layer gas nozzle i.e. the 4th gas nozzle 1-2d is threaded on the described hollow Connection Block 2, the 4th gas nozzle 1-2d needs relative the 3rd gas nozzle 1-2c rotation, so the locating notch on the 3rd gas nozzle 1-2c is the annular breach 1-2-3 around cylinder, the inwall of the 4th gas nozzle 1-2d is provided with 2 alignment pin 1-2-2 that rest on the 3rd gas nozzle 1-2c annular breach 1-2-3, the 4th gas nozzle 1-2d only is restricted in axially-movable, when the 4th gas nozzle is tightened on the hollow Connection Block 2, be fixed equally.
In being provided with in the described stay pipe 3 cylinder 3-1 and nestable on middle cylinder 3-1 and with each gas nozzle air inlet pipe 3-2 one to one.The rear end of described feed liquid nozzle 1-1 cylinder is connected with screw rod 1-1d, during feed liquid nozzle 1-1 is threaded in by screw rod 1-1d in the screwed hole of cylinder 3-1 and be fixed, the bottom surface of feed liquid nozzle 1-1 screw rod 1-1d is provided with annular groove 1-1-2, is provided with the part between the bottom surface of the screw rod of feed liquid nozzle 1-1 and the contact-making surface of middle cylinder 3-1 and is embedded in sealing ring 4 among the annular groove 1-1-2.In on the cylinder 3-1 be provided with feed liquid hole 1-1f all-in-one-piece feed liquid hole 3-1-1 with spray gun.Adopt between the corresponding air inlet pipe in described each gas nozzle and the stay pipe 3 and dock, the bottom surface of each gas nozzle is provided with annular groove 1-2-4, is provided with the sealing ring 5 among the annular groove 1-2-4 that the part is embedded in the bottom surface between the bottom surface of each gas nozzle and the corresponding air inlet pipe.Form in the stay pipe 3 respectively and the corresponding one by one ring jet road d that joins of spray gun 1 each annular gap b.
When the 4th gas nozzle 1-2d is tightened on hollow Connection Block 2, pass through alignment pin, press down the 3rd gas nozzle 1-2c, pressure transmits layer by layer, the 3rd gas nozzle 1-2c presses down the second gas nozzle 1-2b, the second gas nozzle 1-2b presses down the first gas nozzle 1-2a, the first gas nozzle 1-2a presses down feed liquid nozzle 1-1, makes spray gun finish combination.Simultaneously, feed liquid nozzle 1-1 and each gas nozzle 1-2 compress the middle cylinder 3-1 and the corresponding air inlet pipe 3-2 of stay pipe 3 respectively.The setting of sealing ring makes between feed liquid nozzle 1-1 and the middle cylinder 3-1 to have good sealing property, has good sealing property between each gas nozzle 1-2 and the corresponding air inlet pipe 3-2.
(embodiment 2)
See Figure 12 to 14, embodiment 2 has 4 mutually nestable nozzles, and wherein Zhong Jian nozzle is feed liquid nozzle 1-1, and other 3 nozzles are gas nozzle 1-2.Gas nozzle 1-2 comprises that from interior to the first outer gas nozzle 1-2a, the second gas nozzle 1-2e and outermost layer gas nozzle 1-2d, the helicla flute rotation direction on adjacent two nozzles is opposite.Compare with embodiment 1, lacked a gas nozzle, the breach of the second gas nozzle 1-2e is annular breach, and other structure is identical with embodiment 1.
Claims (6)
1. air-blast atomization device, comprise spray gun (1) and stay pipe (3), spray gun (1) has at least 4 nestable nozzles, the nozzle that is in the center is feed liquid nozzle (1-1), feed liquid nozzle (1-1) is provided with feed liquid hole (1-1f), other nozzle is gas nozzle (1-2), the inner chamber front portion of each gas nozzle (1-2) is the range of atomization, it is characterized in that: the cylinder bottom of described feed liquid nozzle (1-1) is inwardly shunk and is formed contraction flow region (1-1c), make feed liquid nozzle (1-1) and be in and around the cylinder contraction flow region of feed liquid nozzle, form annular gap (b) between its outer field gas nozzle, in the gas nozzle except that outermost gas nozzle (1-2d), contraction flow region all inwardly shrink to be formed at the cylinder bottom of other gas nozzle, makes between the two adjacent gas nozzles of ectonexine around the cylinder contraction flow region of the gas nozzle of internal layer and forms annular gap (b); Cylinder top (1-1b) outer wall of described feed liquid nozzle (1-1) is provided with many equally distributed helicla flutes, except that outermost gas nozzle, also be provided with many equally distributed helicla flutes on the cylinder external wall of upper portion of other gas nozzle, helicla flute on above-mentioned each nozzle all connects each self-corresponding range of atomization and annular gap (b), thereby forms multi-level spiral air-jet channel in spray gun (1); Helicla flute rotation direction on the ectonexine adjacent nozzles is opposite; The body (3-3) of described stay pipe (3) is connected with the outermost gas nozzle (1-2d) of spray gun (1), be provided with the middle cylinder (3-1) that is connected with feed liquid nozzle (1-1) and the nestable air inlet pipe (3-2) that goes up and connect one to one with each gas nozzle (1-2) at middle cylinder (3-1) in the stay pipe (3), in cylinder (3-1) be provided with all-in-one-piece feed liquid hole, feed liquid hole (1-1f) (3-1-1) with feed liquid nozzle (1-1), form in the stay pipe respectively with spray gun in the corresponding one by one annular air channel that joins in each annular gap (b) (d).
2. a kind of air-blast atomization device according to claim 1, it is characterized in that: the outer wall upper end, cylinder top (1-2b) of described feed liquid nozzle (1-1) is provided with locating notch (1-1-1), in the gas nozzle (1-2) except that outermost gas nozzle (1-2d), the cylinder external wall of upper portion upper end of other gas nozzle respectively is provided with locating notch (1-2-1), the inwall of the outer field gas nozzle of feed liquid nozzle (1-1) is provided with the alignment pin (1-2-2) corresponding with the locating notch (1-1-1) of feed liquid nozzle (1-1), respectively is provided with on the inwall of other gas nozzles and the corresponding alignment pin (1-2-2) of locating notch (1-2-1) on the nozzle that is in its internal layer.
3. a kind of air-blast atomization device according to claim 2 is characterized in that: be connected by hollow Connection Block (2) between the outermost gas nozzle (1-2d) of described stay pipe (3) and spray gun (1).
4. a kind of air-blast atomization device according to claim 3, it is characterized in that: the locating notch of the gas nozzle adjacent with outermost gas nozzle is cannelure (1-2-3), and outermost layer gas nozzle (1-2d) is threaded on the hollow Connection Block (2).
5. a kind of air-blast atomization device according to claim 1, it is characterized in that: the rear end of described feed liquid nozzle (1-1) cylinder is connected with screw rod (1-1-2), feed liquid nozzle (1-1) is threaded in by screw rod (1-1-2) in the screwed hole of middle cylinder (3-1) of stay pipe (3), is provided with sealing ring (4) between the bottom surface of feed liquid nozzle (1-1) screw rod and the contact-making surface of middle cylinder (3-1).
6. a kind of air-blast atomization device according to claim 1 is characterized in that: adopt between the corresponding air inlet pipe in described each gas nozzle (1-2) and the stay pipe (3) and dock, be provided with sealing ring (5) between each gas nozzle and the corresponding air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120090710XU CN202052655U (en) | 2010-12-21 | 2011-03-31 | Air flow type atomization device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020671792 | 2010-12-21 | ||
| CN201020671792.2 | 2010-12-21 | ||
| CN201120090710XU CN202052655U (en) | 2010-12-21 | 2011-03-31 | Air flow type atomization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202052655U true CN202052655U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120090710XU Expired - Fee Related CN202052655U (en) | 2010-12-21 | 2011-03-31 | Air flow type atomization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202052655U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091678A (en) * | 2010-12-21 | 2011-06-15 | 常州力马干燥工程有限公司 | Airflow atomizer |
| CN107214007A (en) * | 2017-07-04 | 2017-09-29 | 深圳市德瑞茵精密科技有限公司 | A kind of air gun and its atomizer of sprayed with adhesive coating |
| DE102021126575A1 (en) | 2021-10-13 | 2023-04-13 | Bürkert Werke GmbH & Co. KG | Dosing unit and system with dosing unit and disinfection procedure |
-
2011
- 2011-03-31 CN CN201120090710XU patent/CN202052655U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091678A (en) * | 2010-12-21 | 2011-06-15 | 常州力马干燥工程有限公司 | Airflow atomizer |
| CN107214007A (en) * | 2017-07-04 | 2017-09-29 | 深圳市德瑞茵精密科技有限公司 | A kind of air gun and its atomizer of sprayed with adhesive coating |
| DE102021126575A1 (en) | 2021-10-13 | 2023-04-13 | Bürkert Werke GmbH & Co. KG | Dosing unit and system with dosing unit and disinfection procedure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20180331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |