CN204396420U - For the rotary spraying device of cleaning reactor - Google Patents
For the rotary spraying device of cleaning reactor Download PDFInfo
- Publication number
- CN204396420U CN204396420U CN201520045451.7U CN201520045451U CN204396420U CN 204396420 U CN204396420 U CN 204396420U CN 201520045451 U CN201520045451 U CN 201520045451U CN 204396420 U CN204396420 U CN 204396420U
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- pipe
- spray
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- vertical
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- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 title claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000012856 packing Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 18
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 239000003054 catalyst Substances 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The utility model discloses a kind of rotary spraying device for cleaning reactor, comprises, feed tube; Rotary nozzle, comprises, swivelling pipe, and establish the baffle plate of band central through hole in it, be set in outside feed tube, upper end is connected with in the middle part of feed tube; Be wound with packing above baffle plate, thrust bearing and bearing pallet are established in below; Spray head, its body has a cavity body structure, upper end open, is connected with swivelling pipe lower end; Sidewall establishes the distributing pipe of two openings and angled downward from horizontal; Spraying rack, comprises, shower, and one end is connected with distributing pipe, and the other end bends downwards; Shower upper wall establishes some spray apertures, and sidewall establishes some thrust holes; Bracing frame, comprises horizontal stand, vertical support frame and some pull bars.Rotary spraying device of the present utility model can multi-angle clean the abhiseca of reactor, tank skin, particularly catalyst tubulation thoroughly simultaneously, does not need inside reactor to fill cleaning fluid, greatly reduces the waste liquid generation in Process of Chemical Cleaning.
Description
Technical Field
The utility model belongs to rotatory spray set field specifically relates to a rotatory spray set for rinsing reactor.
Background
In the production of chemical raw materials, the reactor needs to be cleaned before the project is started and in the process of updating and reforming the production process.
Taking the production of acrylic acid as an example, the production of acrylic acid adopts a gas-phase fixed bed oxidation method to produce acrylic acid, and an oxidation reactor has different requirements on the specification and the number of reaction tubes according to different performances of catalysts. At present, most oxidation reactors are formed by hot rolling and welding after blanking hot rolled steel plates with the thickness of 8-16 mm, the height of the oxidation reactors is 9-12 meters, the diameter of the oxidation reactors is phi 4-phi 6 meters, and about 40000 cold-drawn steel tubes which are 3.5-4.6 meters in length and phi 22-phi 36mm in diameter are arranged, assembled and welded in an inner cavity of the oxidation reactor. The acrylic acid reaction catalyst has extremely high requirements on the cleanliness of a reactor, and the existence of trace impurities such as rust, grease, silt and the like can influence the efficiency of the catalyst to reduce the product quality, so that the system cleaning is required before the oxidation reactor is filled with the catalyst to thoroughly remove the impurities such as grease, rust, silt and the like on the inner wall plate of the inner cavity of the oxidation reactor and the inner surface of a catalyst filling tube, a compact passivation film is formed, and the condition that rust is not returned before production and use is ensured.
In the prior art, there are two main methods for chemically cleaning a reactor, namely, a first chemical cleaning method: a temporary pipeline is prepared to be connected with a chemical cleaning pump station, chemical cleaning agents are filled in the whole reactor, and the reactor is cleaned through forced circulation of a cleaning pump.
And a second chemical cleaning method: chemical cleaning agents are sprayed to the reactor through a simple spray rod, the cleaning effect is poor, the inner wall of the tank cannot be cleaned completely, and a layer of thick lime is hung on the surface of the reactor after cleaning is finished, so that great pressure is brought to subsequent driving.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotatory spray set for rinsing reactor can be simultaneously the multi-angle to chemical reactor irritate the top, the jar wall, catalyst tubulation carry out rinse thoroughly, has avoided the phenomenon of jar wall hanging lime, utilizes the device not to fill the washing liquid in the reactor, very big reduction chemical cleaning in-process waste liquid production volume, reduced construction cost, alleviated the environmental protection pressure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotary spraying device for cleaning a reactor comprises,
the upper end of the liquid inlet pipe extends out of the top of the reactor and is connected with a positioning plate outside the top of the reactor through a connecting flange, and the middle part of the pipe body is sleeved with a rotatable packing gland flange;
the rotary spray head comprises a rotary pipe, wherein the upper end and the lower end of a pipe body of the rotary pipe are respectively provided with a connecting flange, the upper part in the pipe body is provided with a baffle plate with a central through hole, and the rotary pipe is sleeved outside a liquid inlet pipe through the central through hole on the baffle plate; the upper end of the rotating pipe is connected with the middle part of the liquid inlet pipe through a connecting flange and a packing gland flange; a packing for sealing is wound between the rotary pipe and the liquid inlet pipe above the baffle plate; a thrust bearing and a bearing tray are arranged below the baffle plate, the bearing tray is arranged on the outer wall of the lower end of the liquid inlet pipe, and a shell of the thrust bearing is fixed on the lower end surface of the baffle plate and the bearing tray; a cavity for buffering the cleaning liquid is formed below the bearing tray; the spray head has a cavity structure, the upper end of the body is open and is connected with the lower end of the rotary pipe through a connecting flange; the side surface of the body is provided with at least two openings and a distribution pipe for distributing the cleaning liquid, and the distribution pipe horizontally inclines downwards and forms an included angle alpha with the horizontal direction; the lower end of the spray header is provided with a support frame positioning pipe; the outer side of the support frame positioning pipe at the lower end of the spray header can be provided with a reinforcing plate. The spray rack comprises at least two spray pipes, one end of each spray pipe is connected with the spray head distribution pipe through a connecting flange, and the other end of each spray pipe is provided with a downward bent part; the upper wall of the spray pipe is provided with a plurality of spray holes along the length direction, the side wall of the spray pipe is provided with a plurality of thrust holes, and the distribution length of the thrust holes is 30-75% of the length of the spray pipe; the reaction force generated by spraying the cleaning liquid sprayed from the thrust hole onto the tank wall drives the rotary spraying device to rotate. The support frame comprises a horizontal support, a vertical support and a plurality of pull rods; when the number of the spraying pipes on the spraying head is two, two ends of the horizontal support are respectively connected with the bending parts of the two spraying pipes, and the lower end of the vertical support is fixed in the middle of the horizontal support; when the number of the spraying pipes is more than two, the number of the horizontal supports is the same as that of the spraying pipes, one end of each horizontal support is connected with the bent part of each spraying pipe, and the other end of each horizontal support is connected with the lower end of the vertical support; the upper end of the vertical bracket is connected with a support frame positioning pipe at the lower end of the spray header; the pull rod is arranged between the spray pipe and the horizontal bracket, and two ends of the pull rod are respectively fixed on the pipe wall of the spray pipe and the horizontal bracket.
Furthermore, a reinforcing plate is arranged between the spray header distribution pipe and a connecting flange at the upper end of the spray header.
Preferably, the included angle alpha between the distribution pipe of the spray header and the horizontal direction is 15-45 degrees.
Still further, a reinforcing rib is arranged outside the pipe wall of the spraying pipe along the length direction of the spraying pipe.
Preferably, the thrust hole of the side wall of the spray pipe is arranged at one side close to the bent part of the spray pipe.
Furthermore, a row of thrust holes are arranged on the outer side wall of the downward bent part of the spray pipe, and an elbow is arranged on the outer side wall of the tail part of the spray pipe.
Furthermore, a pull rod positioning plate is also arranged on the support frame; the pull rods comprise vertical pull rods and inclined pull rods with different lengths, the vertical pull rods are arranged between the spray pipe and the horizontal support at intervals, and two ends of the vertical pull rods are fixed on the pipe wall of the spray pipe and the horizontal support through pull rod positioning plates respectively; the oblique pull rods are respectively arranged between the vertical support and the adjacent vertical pull rods and between the two adjacent vertical pull rods, and the two ends of each oblique pull rod are respectively connected with the top end and the bottom end of the vertical support and the vertical pull rod and are distributed in a Z shape.
The utility model discloses an among the rotatory spray set, the decurrent kink of shower can form with the shower an organic whole and also can establish in addition, this kink has the direction equilibrium effect, especially when wasing capacious (as 10000 sides) reactor, set up thrust hole and elbow at the kink, the reaction force that produces from the thrust hole spun washing liquid that this thrust hole spun and jar wall cooperatees with the reaction force that produces between the thrust hole spun washing liquid and the jar wall from the shower lateral wall, make rotatory spray set evenly rotatory, silt and residue in the washing liquid can be stored in the elbow portion, prevent to block up the shower hole.
The utility model has the advantages that:
the utility model discloses an each part among the rotatory spray set adopts flange joint, simple to operate, and it is rotatory to utilize the reaction force that produces on spouting the jar wall from thrust hole spun washing liquid to drive rotatory spray set, and thrust bearing on the swivelling joint pipe ensures its even rotation.
The cleaning liquid sprayed from the rotary spraying device can thoroughly clean the top of the chemical reactor, the tank wall, especially a catalyst tube array at multiple angles at the same time, so that the phenomenon that lime is hung on the tank wall is avoided; in the washing process of difference, it is convenient to change the washing liquid to need not fill the inside washing liquid that fills up of reactor, very big reduction chemical cleaning in-process waste liquid production volume, reduced construction cost, alleviated environmental protection pressure.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a rotary sprinkler in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the shower pipe according to the embodiment of the present invention.
Fig. 4 is a side view of a shower according to an embodiment of the present invention.
Fig. 5 is a schematic view of a direction a of the bending portion in the embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 5, the rotary spraying device for cleaning a reactor of the present invention comprises,
the upper end of the liquid inlet pipe 1 extends out of the top of the reactor and is connected with a positioning plate outside the top of the reactor through a connecting flange, and the middle part of the pipe body is sleeved with a rotatable packing gland flange 11.
The rotary nozzle 2 comprises a rotary nozzle body which comprises,
the upper end and the lower end of the tube body of the rotating tube 21 are respectively provided with a connecting flange, the upper part in the tube body is provided with a baffle plate 211 with a central through hole, and the rotating tube 21 is sleeved outside the liquid inlet tube 1 through the central through hole on the baffle plate 211; the upper end of the rotating pipe 21 is connected with the middle part of the liquid inlet pipe 1 through a packing gland flange 11 and a connecting flange; a packing 212 for sealing the cleaning liquid is wound between the rotary pipe 21 and the liquid inlet pipe 1 above the baffle 211; a thrust bearing 213 and a bearing tray 214 are arranged below the baffle 211, the bearing tray 214 is arranged on the outer wall of the lower end of the liquid inlet pipe 1, and a shell of the thrust bearing 213 is fixed on the lower end surface of the baffle 211 and the bearing tray 214; a chamber 215 for buffering the cleaning solution is formed below the bearing tray 214.
The spray header 22, its body has a cavity structure, the upper end of the body is open, connect with lower end of the rotary pipe 21 through the attachment flange; the side surface of the body is provided with at least two openings 221, 221 'and distributing pipes 222, 222' for distributing the cleaning liquid, wherein the distributing pipes 222 (taking one side as an example, the same below) are horizontally inclined downwards and form an included angle alpha with the horizontal direction; the lower end of the spray header 22 is provided with a support frame positioning pipe 223, and reinforcing plates are arranged on two sides of the support frame positioning pipe 223.
The shower rack 3 includes two shower pipes 31, 31', one end of the shower pipe 31 (for example, the same below) is connected to the shower head distribution pipe 222 through a connection flange 311, and the other end has a downward bending part 312; the upper wall of the spray pipe 31 is provided with a plurality of spray holes 313 along the length direction, the side wall is provided with a plurality of thrust holes 314, and the distribution length of the thrust holes 314 is 30-75% of the length of the spray pipe 31; the support frame 32 comprises a horizontal support 321, a vertical support 322 and a plurality of pull rods 323; wherein, two ends of the horizontal bracket 321 are respectively connected with the bending parts 223 of the two spray pipes 31, and the lower end of the vertical bracket 322 is fixed at the middle part of the horizontal bracket 321; the upper end of the vertical bracket 322 is connected with a support frame positioning pipe 223 at the lower end of the spray header 22; the pull rod 323 is arranged between the spray pipe 31 and the horizontal bracket 321, and two ends of the pull rod are respectively fixed on the pipe wall of the spray pipe 31 and the horizontal bracket 321.
Further, a reinforcing plate 224 is arranged between the spray header distribution pipe 222 and a connecting flange at the upper end of the spray header 22, and an included angle alpha between the spray header distribution pipe 222 and the horizontal direction is 15-45 degrees.
Further, a rib 315 is provided on the outer wall of the shower pipe 31 along the longitudinal direction thereof, and a thrust hole 314 of the side wall of the shower pipe 31 is provided on the side close to the shower pipe bent portion 312.
Furthermore, a row of thrust holes 316 are provided on the outer side wall of the downward bent portion 312 of the shower pipe 31, and an elbow 317 is provided on the outer side wall of the tail portion thereof.
Still further, a pull rod positioning plate 324 is further arranged on the supporting frame 32; the pull rods 323 comprise vertical pull rods and inclined pull rods with different lengths, the vertical pull rods are arranged between the spray pipe 31 and the horizontal bracket 321 at intervals, and two ends of the vertical pull rods are fixed on the pipe wall of the spray pipe 31 and the horizontal bracket 321 through pull rod positioning plates 324 respectively; the oblique pull rods are respectively arranged between the vertical support 322 and the adjacent vertical pull rods and between the two adjacent vertical pull rods, and the two ends of each oblique pull rod are respectively connected with the vertical support 322 and the top end and the bottom end of each vertical pull rod and are distributed in a Z shape.
Cleaning liquid flows through the liquid inlet pipe 1, enters the cavity 215 of the rotary pipe 21, enters the spray header cavity after being buffered, flows to the distribution pipe 222 from the two openings 221, is distributed to the spray pipe 31 by the distribution pipe 222, is sprayed out through the spray holes 313, the thrust holes 314 and the thrust holes 316 of the bent parts on the spray pipe 31, and the cleaning liquid sprayed out from the thrust holes 314 is sprayed onto the wall of the tank to generate reaction force to drive the rotary spraying device to rotate.
The utility model discloses a rotatory spray set can be simultaneously the multi-angle to the reactor irritate top, jar wall, especially catalyst tubulation carry out thorough washing, need not fill the washing liquid with reactor inside, very big reduction the chemical cleaning in-process waste liquid production volume, reduced construction cost, alleviated environmental protection pressure.
Claims (7)
1. A rotary spraying device for cleaning a reactor is characterized by comprising,
the upper end of the liquid inlet pipe extends out of the top of the reactor and is connected with a positioning plate outside the top of the reactor through a connecting flange, and the middle part of the pipe body is sleeved with a rotatable packing gland flange;
the rotary spray head comprises a rotary spray head,
the upper end and the lower end of the tube body of the rotating tube are respectively provided with a connecting flange, the upper part in the tube body is provided with a baffle plate with a central through hole, and the rotating tube is sleeved outside the liquid inlet tube through the central through hole on the baffle plate; the upper end of the rotating pipe is connected with a packing gland flange of the liquid inlet pipe through a connecting flange; packing for sealing is wound above the baffle plate and between the rotary pipe and the liquid inlet pipe; a thrust bearing and a bearing tray are arranged below the baffle plate, the bearing tray is sleeved and fixed on the outer wall of the lower end of the liquid inlet pipe, and a shell of the thrust bearing is fixed on the lower end surface of the baffle plate and the bearing tray; a cavity for buffering the cleaning liquid is formed below the bearing tray;
the spray head has a cavity structure, the upper end of the body is open and is connected with the lower end of the rotary pipe through a connecting flange; the side surface of the body is provided with at least two openings and a distribution pipe for distributing the cleaning liquid, and the distribution pipe horizontally inclines downwards and forms an included angle alpha with the horizontal direction; the lower end of the spray header is provided with a support frame positioning pipe;
the spray rack comprises a spray rack body,
one end of each of the at least two spray pipes is connected with the spray head distribution pipe through a connecting flange, and the other end of each of the at least two spray pipes is bent downwards; the upper wall of the spray pipe is provided with a plurality of spray holes along the length direction, the side wall of the spray pipe is provided with a plurality of thrust holes, and the distribution length of the thrust holes is 30-75% of the length of the spray pipe;
the support frame comprises a horizontal support, a vertical support and a plurality of pull rods; wherein,
when the number of the spraying pipes on the spraying head is two, two ends of the horizontal bracket are respectively connected with the bending parts of the two spraying pipes, and the lower end of the vertical bracket is fixed in the middle of the horizontal bracket;
when the number of the spraying pipes is more than two, the number of the horizontal supports is the same as that of the spraying pipes, one end of each horizontal support is connected with the bent part of each spraying pipe, and the other end of each horizontal support is connected with the lower end of the vertical support; the upper end of the vertical bracket is connected with a support frame positioning pipe at the lower end of the spray header; the pull rod is arranged between the spray pipe and the horizontal bracket, and two ends of the pull rod are respectively fixed on the pipe wall of the spray pipe and the horizontal bracket.
2. The rotary spray device of claim 1 wherein a reinforcing plate is provided between the showerhead distribution pipe and the connecting flange at the upper end of the showerhead.
3. The rotary spraying device of claim 1 wherein the angle α between the showerhead distribution tube and the horizontal is 15 ° to 45 °.
4. The rotary shower apparatus according to claim 1, wherein a rib is provided on an outer wall of the shower pipe in a length direction.
5. The rotary spray assembly of claim 1 wherein said thrust apertures in said shower side walls are disposed adjacent to said shower elbow.
6. The rotary spraying device of claim 1 wherein the shower pipe has a series of thrust holes on the outer side wall of the downward bent portion and a bend on the outer side wall of the tail portion.
7. The rotary spraying device according to claim 1, wherein a pull rod positioning plate is further arranged on the supporting frame; the pull rods comprise vertical pull rods and oblique pull rods with different lengths, the vertical pull rods are arranged between the spray pipe and the horizontal support at intervals, and two ends of the vertical pull rods are fixed on the spray pipe and the horizontal support through pull rod positioning plates respectively; the oblique pull rods are respectively arranged between the vertical support and the adjacent vertical pull rods and between the two adjacent vertical pull rods, and the two ends of each oblique pull rod are respectively connected with the top end and the bottom end of the vertical support and the vertical pull rod and are distributed in a Z shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045451.7U CN204396420U (en) | 2015-01-22 | 2015-01-22 | For the rotary spraying device of cleaning reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045451.7U CN204396420U (en) | 2015-01-22 | 2015-01-22 | For the rotary spraying device of cleaning reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204396420U true CN204396420U (en) | 2015-06-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045451.7U Active CN204396420U (en) | 2015-01-22 | 2015-01-22 | For the rotary spraying device of cleaning reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204396420U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000082A (en) * | 2016-07-13 | 2016-10-12 | 盐城工学院 | Bio-trickling filter tower provided with rotary sprinkling device |
| CN106345776A (en) * | 2016-11-30 | 2017-01-25 | 无锡甜丰食品有限公司 | Cleaning device for maltose production tank |
| CN106391614A (en) * | 2016-11-30 | 2017-02-15 | 无锡甜丰食品有限公司 | Cleaning head module adapted to maltose production tank |
| CN107225052A (en) * | 2017-07-27 | 2017-10-03 | 苏州吉云新材料技术有限公司 | A kind of rotary spray fast cooling system |
| CN108514760A (en) * | 2018-05-31 | 2018-09-11 | 张晨 | A kind of Vacuum filtration device |
-
2015
- 2015-01-22 CN CN201520045451.7U patent/CN204396420U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000082A (en) * | 2016-07-13 | 2016-10-12 | 盐城工学院 | Bio-trickling filter tower provided with rotary sprinkling device |
| CN106000082B (en) * | 2016-07-13 | 2019-05-24 | 盐城工学院 | A kind of bio-trickling filter with rotary spraying device |
| CN106345776A (en) * | 2016-11-30 | 2017-01-25 | 无锡甜丰食品有限公司 | Cleaning device for maltose production tank |
| CN106391614A (en) * | 2016-11-30 | 2017-02-15 | 无锡甜丰食品有限公司 | Cleaning head module adapted to maltose production tank |
| CN107225052A (en) * | 2017-07-27 | 2017-10-03 | 苏州吉云新材料技术有限公司 | A kind of rotary spray fast cooling system |
| CN108514760A (en) * | 2018-05-31 | 2018-09-11 | 张晨 | A kind of Vacuum filtration device |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |