CN220834170U - Rectifying column cauldron device - Google Patents
Rectifying column cauldron device Download PDFInfo
- Publication number
- CN220834170U CN220834170U CN202322131465.8U CN202322131465U CN220834170U CN 220834170 U CN220834170 U CN 220834170U CN 202322131465 U CN202322131465 U CN 202322131465U CN 220834170 U CN220834170 U CN 220834170U
- Authority
- CN
- China
- Prior art keywords
- tower
- tower body
- heat
- plate
- bevel gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a rectifying tower kettle device which comprises a tower kettle, a limiting mechanism and a mounting mechanism, wherein a tower body is inserted into the upper end of the tower kettle, an access door is arranged on the tower body, an inlet is arranged on the right side of the tower body, an outlet is arranged at the left end of the tower kettle, a plurality of heat conducting fins are arranged at the lower end of the tower kettle, S-shaped heating pipes are arranged on the heat conducting fins, the limiting mechanism is arranged on the heat conducting fins corresponding to the S-shaped heating pipes, a telescopic pipe is arranged in the tower body and communicated with the tower kettle, a compensating plate is arranged at the upper end of the telescopic pipe, and a one-way valve is arranged at the joint of the telescopic pipe and the compensating plate. When the heat-conducting fin type heat exchanger is used, the temperature in the S-shaped heat-conducting tube can be transferred into the solution in the tower kettle through the arranged heat-conducting fin, the heat exchange efficiency is improved through the arrangement of the heat-conducting fin, the occupied space is small, and meanwhile, the heat-conducting fin can be conveniently detached from the S-shaped heat-conducting tube through the arrangement of the telescopic limiting block, so that the operation is simple.
Description
Technical Field
The utility model relates to the technical field of tower kettles, in particular to a rectifying tower kettle device.
Background
The tower bottom is a vocabulary in chemical industry. The pot and the tower are all devices of a chemical plant, the pot is like a pot for cooking, the tower is like a general tower, the tower pot is two combined bodies, the height is higher, the structures of all stages of towers are basically the same, and the double functions of the tower and the pot are realized, so that the pot and the tower are generally used for separation.
After the conventional rectifying tower kettle is used for a long time, because some organic solvents are high in solid impurity content, solid impurities are often easy to adhere to the inner wall of the tower body, so that the rectifying tower kettle is inconvenient to clean and the using effect is affected. Therefore, the utility model provides a rectifying tower kettle device to solve the problems.
Disclosure of utility model
The utility model aims to provide a rectifying tower kettle device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a rectifying column cauldron device, includes tower cauldron, stop gear and installation mechanism, tower cauldron upper end cartridge has the body of a tower, is equipped with the access door on the body of a tower, and the body of a tower right side is equipped with the import, and the tower cauldron left end is equipped with the export, the tower cauldron lower extreme is equipped with a plurality of conducting strips, is equipped with S type heating pipe on the conducting strip, and corresponds S type heating pipe on the conducting strip and be equipped with stop gear, be equipped with flexible pipe in the body of a tower, flexible pipe is linked together with the tower cauldron, and flexible pipe upper end is equipped with the compensation plate, and flexible pipe and compensation plate junction are equipped with the check valve, the compensation plate upper end is equipped with the supporting ring, is equipped with the brush board on the supporting ring, and the brush board is equipped with elevating system with the compensation plate in the body of a tower.
As a further scheme of the utility model, the mounting mechanism comprises a groove, a clamping groove, an inserting rod, a fixing block, a handle, a connecting plate and a spring, wherein the upper end of the compensating plate is provided with the groove corresponding to the supporting ring, and the lower end of the supporting ring is inserted into the groove, so that the supporting ring can be positioned and mounted quickly.
As a still further scheme of the utility model, the upper end of the compensation plate is symmetrically provided with the fixed block, the fixed block is connected with the inserting rod in a sliding way, one end of the inserting rod, which is close to each other, is provided with the handle, one end of the inserting rod, which is far away from each other, is inserted on the supporting ring, the supporting ring is provided with the clamping groove corresponding to the inserting rod, the inserting rod is provided with the connecting plate, the inserting rod is sleeved with the spring, one end of the spring is fixedly connected with the connecting plate, the other end of the spring is fixedly connected with the fixed block, the inserting rod is driven to move close to each other by pulling the two handles, so that the inserting rod is separated from the clamping groove, the supporting ring and the brush plate are convenient to detach and replace, and the inserting rod is convenient to be driven to return to the original position by the elastic potential energy of the spring.
As a still further scheme of the utility model, the lifting mechanism comprises a bearing, a threaded sleeve, a sliding block, a connecting rod, a limiting rod, a first bevel gear, a second bevel gear, a rotating shaft, a motor and a fixing plate, wherein the threaded sleeve is sleeved on the telescopic pipe, the lower end of the threaded sleeve is provided with the bearing, the lower end of the bearing is fixedly connected with the bottom end of the tower body, and the threaded sleeve can conveniently rotate through the arranged bearing.
As a still further scheme of the utility model, the threaded sleeve is connected with the sliding block through threads, the sliding block is symmetrically provided with the connecting block in a left-right manner, the other end of the connecting block is provided with the connecting rod, the upper end of the connecting rod is fixedly connected with the compensating plate, the connecting block is symmetrically connected with the limiting rod in a front-back sliding manner, the lower end of the limiting rod is fixedly connected with the bottom end of the tower body, the sliding block is conveniently driven to move up and down through the rotation of the threaded sleeve, the compensating plate is conveniently driven to move up and down through the rotation of the connecting block and the sliding block through the limiting rod, and the rotation of the sliding block along with the rotation of the threaded sleeve is avoided.
As a still further scheme of the utility model, a first bevel gear is arranged on the threaded sleeve, a second bevel gear is meshed with the first bevel gear, a rotating shaft is arranged at the right end of the second bevel gear, a motor is arranged at the right end of the rotating shaft, a fixed plate is arranged at the right end of the motor, the lower end of the fixed plate is fixedly connected with the bottom end of the tower body, the rotating shaft and the second bevel gear are conveniently driven to rotate by starting the motor, and the second bevel gear drives the first bevel gear and the threaded sleeve to rotate.
As a still further scheme of the utility model, the limiting mechanism comprises limiting blocks, limiting grooves and locking bolts, wherein the limiting blocks are symmetrically arranged between the corresponding S-shaped heating pipes of the heat conducting fins, the limiting blocks are in sliding connection with the heat conducting fins, the limiting grooves are arranged on the corresponding limiting blocks of the heat conducting fins, the locking bolts are arranged on the corresponding limiting blocks of the heat conducting fins, and the heat conducting fins can be conveniently detached from the S-shaped heating pipes by arranging the telescopic limiting blocks, so that the operation is simple.
Compared with the prior art, the utility model has the beneficial effects that:
1. When the heat-conducting fin type heat exchanger is used, the temperature in the S-shaped heat-conducting tube can be transferred into the solution in the tower kettle through the arranged heat-conducting fin, the heat exchange efficiency is improved through the arrangement of the heat-conducting fin, the occupied space is small, and meanwhile, the heat-conducting fin can be conveniently detached from the S-shaped heat-conducting tube through the arrangement of the telescopic limiting block, so that the operation is simple.
2. When the cleaning device is used, when the inner wall of the tower body needs to be cleaned, the motor is started to drive the rotating shaft and the second bevel gear to rotate, the second bevel gear drives the first bevel gear and the threaded sleeve to rotate, the threaded sleeve drives the sliding block, the connecting rod and the compensating plate to move upwards, the compensating plate moves upwards to drive the supporting ring and the brush plate to move upwards, the brush plate cleans the inner wall of the tower body, when the brush plate needs to be replaced, the access door is opened, the two handles are pulled to drive the inserting rods to move close to each other, so that the inserting rods are separated from the clamping grooves, and the supporting ring and the brush plate are convenient to detach and replace.
Drawings
Fig. 1 is a schematic structural diagram of a rectifying tower kettle device.
Fig. 2 is a schematic cross-sectional structure of a rectifying tower kettle device.
FIG. 3 is a schematic cross-sectional view of a compensating plate and a threaded sleeve in a rectifying still apparatus.
Fig. 4 is an enlarged schematic view of the rectifying tower kettle device at a position a in fig. 2.
Fig. 5 is an enlarged schematic view of the rectifying tower kettle device at B in fig. 3.
In the figure: 1. a tower kettle; 101. an inlet; 102. an outlet; 2. a tower body; 201. an access door; 3. s-shaped heating pipes; 4. a heat conductive sheet; 5. a compensation plate; 6. a support ring; 7. brushing a plate; 8. a lifting mechanism; 801. a bearing; 802. a threaded sleeve; 803. a slide block; 804. a connecting block; 805. a connecting rod; 806. a limit rod; 807. a first bevel gear; 808. a second bevel gear; 809. a rotating shaft; 810. a motor; 811. a fixing plate; 9. a limiting mechanism; 901. a limiting block; 902. a limit groove; 903. a locking bolt; 10. a telescopic tube; 11. a one-way valve; 12. a mounting mechanism; 1201. a groove; 1202. a clamping groove; 1203. a rod; 1204. a fixed block; 1205. a handle; 1206. a connecting plate; 1207. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Examples
Referring to fig. 1-5, in an embodiment of the present utility model, a rectifying tower kettle device includes a tower kettle 1, a limiting mechanism 9 and an installation mechanism 12, a tower body 2 is inserted into an upper end of the tower kettle 1, an access door 201 is provided on the tower body 2, an inlet 101 is provided on a right side of the tower body 2, an outlet 102 is provided at a left end of the tower kettle 1, a plurality of heat conducting fins 4 are provided at a lower end of the tower kettle 1, an S-shaped heating pipe 3 is provided on the heat conducting fins 4, the limiting mechanism 9 is provided corresponding to the S-shaped heating pipe 3, a telescopic pipe 10 is provided in the tower body 2, the telescopic pipe 10 is communicated with the tower kettle 1, a compensating plate 5 is provided at an upper end of the telescopic pipe 10, a one-way valve 11 is provided at a joint of the telescopic pipe 10 and the compensating plate 5, a supporting ring 6 is provided at an upper end of the compensating plate 5, a brush 7 is attached to an inner wall of the tower body 2, an installation mechanism 12 is provided corresponding to the supporting ring 6 at an upper end of the compensating plate 5, and a lifting mechanism 8 is provided corresponding to the compensating plate 5 in the tower body 2.
The lifting mechanism 8 comprises a bearing 801, a threaded sleeve 802, a sliding block 803, a connecting block 804, a connecting rod 805, a limiting rod 806, a first bevel gear 807, a second bevel gear 808, a rotating shaft 809, a motor 810 and a fixing plate 811, wherein the threaded sleeve 802 is sleeved on the telescopic pipe 10, the bearing 801 is arranged at the lower end of the threaded sleeve 802, and the lower end of the bearing 801 is fixedly connected with the bottom end of the tower body 2.
The threaded sleeve 802 is connected with the sliding block 803 through threads, the sliding block 803 is symmetrically provided with a connecting block 804 in a left-right mode, the other end of the connecting block 804 is provided with a connecting rod 805, the upper end of the connecting rod 805 is fixedly connected with the compensating plate 5, the connecting block 804 is symmetrically connected with a limiting rod 806 in a sliding mode in a front-back mode, and the lower end of the limiting rod 806 is fixedly connected with the bottom end of the tower body 2.
The screw sleeve 802 is provided with a first bevel gear 807, the first bevel gear 807 is meshed with a second bevel gear 808, the right end of the second bevel gear 808 is provided with a rotating shaft 809, the right end of the rotating shaft 809 is provided with a motor 810, the right end of the motor 810 is provided with a fixing plate 811, and the lower end of the fixing plate 811 is fixedly connected with the bottom end of the tower body 2.
The limiting mechanism 9 comprises limiting blocks 901, limiting grooves 902 and locking bolts 903, the limiting blocks 901 are symmetrically arranged between the corresponding S-shaped heating pipes 3 of the heat conducting fins 4, the limiting blocks 901 are in sliding connection with the heat conducting fins 4, the limiting grooves 902 are formed in the corresponding limiting blocks 901 of the heat conducting fins 4, and the locking bolts 903 are arranged on the corresponding limiting blocks 901 of the heat conducting fins 4.
The mounting mechanism 12 comprises a groove 1201, a clamping groove 1202, a plunger 1203, a fixing block 1204, a handle 1205, a connecting plate 1206 and a spring 1207, wherein the upper end of the compensating plate 5 is provided with the groove 1201 corresponding to the supporting ring 6, and the lower end of the supporting ring 6 is inserted into the groove 1201.
The compensation plate 5 upper end bilateral symmetry is equipped with fixed block 1204, and sliding connection inserted bar 1203 is equipped with handle 1205 on the fixed block 1204, and the one end that inserted bar 1203 is close to each other is equipped with the handle 1205, and the one end that inserted bar 1203 is kept away from each other is cartridge on support ring 6, and support ring 6 corresponds inserted bar 1203 and is equipped with draw-in groove 1202, be equipped with connecting plate 1206 on the inserted bar 1203, and the cover has spring 1207 on the inserted bar 1203, spring 1207 one end and connecting plate 1206 fixed connection, spring 1207 other end and fixed block 1204 fixed connection.
The working principle of the utility model is as follows:
When the heat conducting fin type heat exchanger is used, the temperature in the S-shaped heat conducting pipe 3 can be transferred to a solution in the tower kettle 1 through the arranged heat conducting fin 4, the heat exchange efficiency is improved through the arrangement of the heat conducting fin 4, the occupied space is small, meanwhile, the heat conducting fin 4 can be conveniently detached from the S-shaped heat conducting pipe 3 through the arrangement of the telescopic limiting block 901, the operation is simple, when the inner wall of the tower body 2 needs to be cleaned, the starting motor 810 drives the rotating shaft 809 and the second bevel gear 808 to rotate, the second bevel gear 808 drives the first bevel gear 807 and the threaded sleeve 802 to rotate, the threaded sleeve 802 drives the sliding block 803, the connecting block 804, the connecting rod 805 and the compensating plate 5 to move upwards, the compensating plate 5 moves upwards to drive the supporting ring 6 and the brush plate 7 to move upwards, the brush plate 7 cleans the inner wall of the tower body 2, the access door 201 is opened, the two handles 1205 are pulled to drive the inserting rod 1203 to move close to each other to separate the inserting rod 1203 from the clamping groove 1202, and accordingly the supporting ring 6 and the brush plate 7 are convenient to detach and replace.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a rectifying column cauldron device, includes tower cauldron (1), stop gear (9) and installation mechanism (12), its characterized in that, tower cauldron (1) upper end cartridge has tower body (2), is equipped with access door (201) on tower body (2), and tower body (2) right side is equipped with import (101), and tower cauldron (1) left end is equipped with export (102), tower cauldron (1) lower extreme is equipped with a plurality of conducting strips (4), is equipped with S type heating pipe (3) on conducting strip (4), and corresponds S type heating pipe (3) on conducting strip (4) and be equipped with stop gear (9), be equipped with in tower body (2) flexible pipe (10) that are linked together with tower cauldron (1), flexible pipe (10) upper end is equipped with compensating plate (5), and flexible pipe (10) are equipped with check valve (11) with compensating plate (5) junction, compensating plate (5) upper end are equipped with holding ring (6), be equipped with on holding ring (6) with brush board (7) corresponding with tower body (2) inner wall, and compensating plate (5) upper end are equipped with compensating mechanism (12), and are equipped with in compensating plate (8).
2. The rectifying tower kettle device according to claim 1, wherein the limiting mechanism (9) comprises limiting blocks (901), limiting grooves (902) and locking bolts (903), the limiting blocks (901) are symmetrically arranged between the corresponding S-shaped heating pipes (3) of the heat conducting fin (4), the limiting grooves (902) are arranged on the corresponding limiting blocks (901) of the heat conducting fin (4), the limiting blocks (901) are slidably connected with the limiting grooves (902), and the locking bolts (903) are arranged on the corresponding limiting blocks (901) of the heat conducting fin (4).
3. The rectifying tower kettle device according to claim 1, wherein the mounting mechanism (12) comprises a groove (1201), a clamping groove (1202), a plug rod (1203), a fixing block (1204), a handle (1205), a connecting plate (1206) and a spring (1207), the upper end of the compensating plate (5) is provided with the groove (1201) corresponding to the supporting ring (6), and the lower end of the supporting ring (6) is inserted into the groove (1201).
4. A rectifying tower kettle device according to claim 3, characterized in that the upper end of the compensating plate (5) is symmetrically provided with a fixing block (1204) left and right, the fixing block (1204) is connected with a plug rod (1203) in a sliding way, one end of the plug rod (1203) close to each other is provided with a handle (1205), the supporting ring (6) is provided with a clamping groove (1202) corresponding to the plug rod (1203), the plug rod (1203) is clamped with the clamping groove (1202), the plug rod (1203) is provided with a connecting plate (1206), the plug rod (1203) is sleeved with a spring (1207), and two ends of the spring (1207) are respectively fixedly connected with the connecting plate (1206) and the fixing block (1204).
5. The rectifying tower kettle device according to claim 1, wherein the lifting mechanism (8) comprises a bearing (801), a threaded sleeve (802), a sliding block (803), a connecting block (804), a connecting rod (805), a limiting rod (806), a first bevel gear (807), a second bevel gear (808), a rotating shaft (809), a motor (810) and a fixing plate (811), the threaded sleeve (802) is sleeved on the telescopic pipe (10), and the lower end of the threaded sleeve (802) is provided with the bearing (801) fixedly connected with the bottom end of the tower body (2).
6. The rectifying tower kettle device according to claim 5, wherein the threaded sleeve (802) is connected with the sliding block (803) through threads, a connecting block (804) is symmetrically arranged on the sliding block (803) in a left-right mode, a connecting rod (805) fixedly connected with the compensating plate (5) is arranged at the other end of the connecting block (804), a limit rod (806) is symmetrically and slidingly connected on the connecting block (804) in a front-back mode, and the lower end of the limit rod (806) is fixedly connected with the bottom end of the tower body (2).
7. The rectifying tower kettle device according to claim 5, wherein the threaded sleeve (802) is provided with a first bevel gear (807), the first bevel gear (807) is meshed with a second bevel gear (808), the right end of the second bevel gear (808) is provided with a rotating shaft (809), the right end of the rotating shaft (809) is provided with a motor (810), and the right end of the motor (810) is provided with a fixing plate (811) fixedly connected with the bottom end of the tower body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131465.8U CN220834170U (en) | 2023-08-09 | 2023-08-09 | Rectifying column cauldron device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322131465.8U CN220834170U (en) | 2023-08-09 | 2023-08-09 | Rectifying column cauldron device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220834170U true CN220834170U (en) | 2024-04-26 |
Family
ID=90780630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322131465.8U Active CN220834170U (en) | 2023-08-09 | 2023-08-09 | Rectifying column cauldron device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220834170U (en) |
-
2023
- 2023-08-09 CN CN202322131465.8U patent/CN220834170U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108224814B (en) | A kind of thermal-collecting tube of solar water heater cleaning equipment | |
| CN209697596U (en) | A kind of organic photo conductor drum blank cleaning device | |
| CN208059674U (en) | A kind of hot-water heating pipe cleaning device for outer walls | |
| CN220834170U (en) | Rectifying column cauldron device | |
| CN109945524B (en) | Scale cleaning machine for solar heat collecting pipe | |
| CN208704499U (en) | A kind of shell-and-tube heat exchanger | |
| CN210399546U (en) | Household solar water heater with heat collecting pipes easy to clean | |
| CN220530701U (en) | Energy-saving consumption-reducing carbon dioxide rectifying tower | |
| CN211079067U (en) | Stirring device of alcohol-based liquid fuel purification heating kettle | |
| CN219223411U (en) | Heat exchanger convenient to change heat exchange tube | |
| CN208916935U (en) | A kind of graphene water treatment facilities | |
| CN208769511U (en) | A kind of instant heating type water purifier | |
| CN216845789U (en) | Sleeve type heat exchanger with good heat conduction performance | |
| CN216481648U (en) | Domestic solar water heater | |
| CN111664593A (en) | Mounting and supporting assembly for solar water heater | |
| CN217383342U (en) | Energy-saving high-efficiency electric boiler | |
| CN221403504U (en) | Self-cleaning efficient solar water heater | |
| CN220489831U (en) | Cooling tower belt cleaning device | |
| CN221076779U (en) | Electric heating vacuum hot water boiler | |
| CN215808799U (en) | Novel solar heat collection heating converter | |
| CN220990757U (en) | Esterification reaction kettle heating device | |
| CN213657587U (en) | Heating net heater | |
| CN221593573U (en) | Energy-saving variable-frequency heat exchange device | |
| CN214468895U (en) | Phase change electric heater convenient to remove | |
| CN217886992U (en) | Obtain high-efficient separator of 6-ketospirostane class compound fast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240506 Address after: No. 6 Yinxia Road, Zhongbei Industrial Park, Zhongbei Town, Xiqing District, Tianjin, 300000 Patentee after: Tianjin pouchain Technology Co.,Ltd. Country or region after: China Address before: 264000 No. 9, Tonglin Road, Wolong Industrial Park, Zhifu District, Yantai City, Shandong Province Patentee before: YANTAI HUAYANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |