CN112066760A - Collecting pipe for heat exchanger and heat exchanger - Google Patents
Collecting pipe for heat exchanger and heat exchanger Download PDFInfo
- Publication number
- CN112066760A CN112066760A CN202010988077.XA CN202010988077A CN112066760A CN 112066760 A CN112066760 A CN 112066760A CN 202010988077 A CN202010988077 A CN 202010988077A CN 112066760 A CN112066760 A CN 112066760A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- heat
- wall
- heat exchange
- pipe
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/08—Tubular elements crimped or corrugated in longitudinal section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of heat exchange equipment, in particular to a collecting pipe and a heat exchanger for a heat exchanger, and provides a scheme aiming at the problems of the heat exchanger in the background technology. In the invention, the heat dissipation fan arranged at the top can quickly dissipate heat of the inner wall of the top of the mainframe box and the heat energy buffer area between the heat exchange inner boxes in the heat exchange process, so that the outer wall of the mainframe box is prevented from being excessively hot.
Description
Technical Field
The invention relates to the technical field of heat exchange equipment, in particular to a collecting pipe for a heat exchanger and the heat exchanger.
Background
The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum and the like, and an industrial chain is formed mutually.
In the use of present heat exchanger, hot steam heat exchanger's use can be so that inside carries out quick heat transfer, but present hot steam indirect heating equipment is when using, and quick-witted case is linked together with outside mainframe box in the heat transfer of inside for the heat of heat transfer also can circulate inside the mainframe box, makes the outside send out boiling hot, produces the operation incident easily.
Disclosure of Invention
Based on the technical problems of the heat exchanger provided in the background art, the invention provides a collecting pipe for the heat exchanger and the heat exchanger.
The invention provides a collecting pipe and a heat exchanger for a heat exchanger, which comprises a main case, wherein two end positions of the top inner wall and the bottom inner wall of the main case are respectively fixed with a vertically arranged fixed connecting rod, a horizontally arranged heat exchange inner case is fixed between the fixed connecting rods at the top position and the bottom position, a horizontally arranged heat exchange coil pipe is fixed between the inner walls at the two ends of the heat exchange inner case, the bottom of one end of the main case is provided with a first hole, the first hole is sleeved with a horizontally arranged heat exchange liquid inlet, one end of the heat exchange liquid inlet is communicated with the bottom of the heat exchange coil pipe, the top of one end of the main case is provided with a second hole, the circumferential inner wall of the second hole is sleeved with a horizontally arranged heat exchange liquid outlet pipe, one end of the heat exchange liquid outlet pipe is communicated with the top of the heat exchange coil pipe, and the two end positions at the top of, and the circumference inner wall of two third holes all cup joints the heat dissipation top case that the level set up, the circumference inner wall of heat dissipation top case is fixed with the radiator fan that the level set up, and radiator fan's air-out position is towards the top, be linked together between the top of quick-witted case in the bottom position of heat dissipation top case and the top inner wall of mainframe box and the heat transfer, the bottom rigidity of heat exchange coil has the impurity catch tray that the level set up, and the top rigidity of impurity catch tray has the screen cloth that the level set up, the impurity discharging pipe of vertical setting has been cup jointed to the bottom rigidity of impurity catch tray.
Preferably, a fourth hole is formed in the top of the other end of the main case, and a water outlet pipe horizontally arranged is sleeved on the circumferential inner wall of the fourth hole.
Preferably, one end of the water outlet pipe is communicated with the inside of the heat exchange inner case.
Preferably, a fifth hole is formed in the bottom of the other end of the main case, and a horizontally arranged water inlet pipe is sleeved on the circumferential inner wall of the fifth hole.
Preferably, one end of the water inlet pipe is communicated with the inner side of the heat exchange inner case.
Preferably, a horizontally arranged filtering top plate is fixed at the top position of the circumferential inner wall of the heat dissipation top box through bolts.
Preferably, the two side positions of the inner walls of the two ends of the heat exchange inner case are both provided with vertically arranged sliding clamping grooves.
Preferably, the same horizontally arranged scraper is slidably clamped between the inner walls of the two sides of the two sliding clamping grooves at one end.
Preferably, the threaded screw rod which is vertically arranged is rotatably sleeved between the inner wall of the top part and the inner wall of the bottom part of the sliding clamping groove through a bearing, and the circumferential outer wall of the threaded screw rod is sleeved with the threads between the top part and the bottom part of the scraper.
Preferably, the outer wall of the circumference of the heat exchange coil is provided with a spherical circular tube which is horizontally arranged in an array, and the spherical circular tube is communicated with the inside of the heat exchange coil.
Compared with the prior art, the invention provides a collecting pipe for a heat exchanger and the heat exchanger, which have the following beneficial effects:
1. this a pressure manifold and heat exchanger for heat exchanger through setting up at the heat transfer in-process, and the radiator fan of top position can carry out quick radiating process to the heat energy buffer between the quick-witted case in the top inner wall of mainframe box and the heat transfer, prevents that the outer wall of mainframe box from excessively sending out the boiling hot.
2. This a pressure manifold and heat exchanger for heat exchanger can carry out the process of impurity through the screen cloth at the impurity catch tray that sets up the bottom position and top, and can collect the water that inside heat transfer left, and carries out the process of the ejection of compact through the impurity discharging pipe of bottom position.
3. This a pressure manifold and heat exchanger for heat exchanger, through setting up the spheroid pipe that has that the circumference outer wall array setting at heat exchange coil pipe carries out the in-process of steam circulation, improves the area of contact of hot steam and external water, improves whole heat transfer effect, improves the efficiency of heat transfer.
Drawings
Fig. 1 is a schematic front sectional view of a header for a heat exchanger and a heat exchanger according to the present invention;
fig. 2 is a schematic structural diagram of a collecting pipe for a heat exchanger and a heat dissipation mechanism of the heat exchanger according to the present invention;
fig. 3 is a schematic structural diagram of a collecting pipe for a heat exchanger and a scraping mechanism of the heat exchanger according to the present invention;
fig. 4 is a schematic structural diagram of a collecting pipe for a heat exchanger and a spherical circular tube of the heat exchanger according to the present invention.
In the figure: 1 heat transfer inlet, 2 mainframe boxes, 3 heat transfer coil pipes, 4 heat transfer drain pipes, 5 fixed connecting rods, 6 heat transfer inner machine boxes, 7 outlet pipes, 8 inlet pipes, 9 impurity collecting discs, 10 impurity discharging pipes, 11 heat dissipation top boxes, 12 heat dissipation fans, 13 filter top plates, 14 scraping plates, 15 thread screw rods, 16 sliding clamping grooves and 17 spherical circular pipes.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a collecting pipe and a heat exchanger for a heat exchanger are disclosed, as shown in figures 1-3, comprising a main case 2, wherein both ends of the top inner wall and the bottom inner wall of the main case 2 are fixed with a vertically arranged fixed connecting rod 5, a horizontally arranged heat exchange inner case 6 is fixed between the fixed connecting rods 5 of the top position and the bottom position, a horizontally arranged heat exchange coil 3 is fixed between the inner walls of both ends of the heat exchange inner case 6, the bottom of one end of the main case 2 is provided with a first hole, the first hole is sleeved with a horizontally arranged heat exchange liquid inlet 1, one end of the heat exchange liquid inlet 1 is communicated with the bottom of the heat exchange coil 3, the top of one end of the main case 2 is provided with a second hole, the circumferential inner wall of the second hole is sleeved with a horizontally arranged heat exchange liquid outlet pipe 4, one end of the heat exchange liquid outlet pipe 4 is communicated with the top of the heat exchange coil 3, both ends of the top of the main, and the circumference inner wall of two third holes all cup joints the heat dissipation top case 11 that the level set up, the circumference inner wall of heat dissipation top case 11 is fixed with the cooling fan 12 that the level set up, and cooling fan 12's air-out position is towards the top, be linked together between the top of quick-witted case 6 in the bottom position of heat dissipation top case 11 and the top inner wall of mainframe box 2 and the heat transfer, the bottom rigidity of heat exchange coil pipe 3 has the impurity catch tray 9 that the level set up, and the top rigidity of impurity catch tray 9 has the screen cloth that the level set up, the impurity discharging pipe 10 of vertical setting has been cup jointed to the bottom rigidity of impurity catch tray 9.
The top of the other end of the mainframe box 2 is provided with a fourth hole, the circumferential inner wall of the fourth hole is sleeved with a water outlet pipe 7 which is horizontally arranged, one end of the water outlet pipe 7 is communicated with the inside of the heat exchange inner machine box 6, the bottom of the other end of the mainframe box 2 is provided with a fifth hole, the circumferential inner wall of the fifth hole is sleeved with a water inlet pipe 8 which is horizontally arranged, one end of the water inlet pipe 8 is communicated with the inside of the heat exchange inner machine box 6, the top position of the circumferential inner wall of the heat dissipation top box 11 is fixed with a horizontally arranged filtering top plate 13 through a bolt, the two side positions of the inner walls at the two ends of the heat exchange inner machine box 6 are both provided with vertically arranged sliding clamping grooves 16, a scraper 14 which is horizontally arranged is slidably clamped between the inner walls at the two sides of the two sliding clamping grooves 16 at one end position, and the circumferential outer wall of the threaded screw rod 15 is sleeved with the top and the bottom of the scraper 14 through threads.
In the embodiment, when the collecting pipe and the heat exchanger for the heat exchanger are used, an operator firstly moves the whole device to a proper working position, fixes and stabilizes the device and connects the device to a power supply, and connects the pipelines at two ends with the corresponding pipelines, in the using process, hot steam enters the heat exchange coil 3 through the inside of the heat exchange liquid inlet 1 at the bottom of one end and goes out through the heat exchange liquid outlet pipe 4 at the top, in addition, the inside of the heat exchange inner case 6 goes through the process of circulating through the water outlet pipe 7 and the water inlet pipe 8 at the other end, in the using process, water is fed through the water inlet pipe 8 at the bottom, in the process of discharging water through the water outlet pipe 7 at the top, in addition, in the heat exchange process, the heat radiation fan 12 at the top can carry out the process of fast heat radiation on the heat energy buffer zone between the inner wall at the top of the main case 2 and the heat exchange, prevent that the outer wall of mainframe box 2 from sending out too much to scald, and in the use, the process of impurity can be carried out to the screen cloth at the impurity catch tray 9 and the top of bottom position, and can collect the water that inside heat transfer left, and carry out the process of the ejection of compact through the impurity discharging pipe 10 of bottom position.
Example 2:
a collecting pipe and a heat exchanger for a heat exchanger are disclosed, as shown in figures 1-4, a spherical circular pipe 17 arranged in a horizontal array is arranged on the outer wall of the circumference of a heat exchange coil 3, and the spherical circular pipe 17 is communicated with the inside of the heat exchange coil 3.
This embodiment is when using, in the embodiment two, on the basis of embodiment one, set up at heat exchange coil 3's circumference outer wall array has spheroid pipe 17, is carrying out the in-process of steam circulation, improves the area of contact of hot steam and external water, improves whole heat transfer effect, improves the efficiency of heat transfer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A collecting pipe and a heat exchanger for a heat exchanger comprise a mainframe box (2) and are characterized in that two end positions of the top inner wall and the bottom inner wall of the mainframe box (2) are respectively fixed with a vertically arranged fixed connecting rod (5), a heat exchange inner box (6) which is arranged horizontally is fixed between the fixed connecting rods (5) at the top position and the bottom position, a heat exchange coil (3) which is arranged horizontally is fixed between the inner walls at the two ends of the heat exchange inner box (6), a first hole is formed in the bottom of one end of the mainframe box (2), a heat exchange liquid inlet (1) which is arranged horizontally is sleeved on the first hole, one end of the heat exchange liquid inlet (1) is communicated with the bottom of the heat exchange coil (3), a second hole is formed in the top of one end of the mainframe box (2), and a heat exchange liquid outlet pipe (4) which is arranged horizontally is sleeved on the inner wall of the circumference of, one end of the heat exchange liquid outlet pipe (4) is communicated with the top of the heat exchange coil pipe (3), third holes are formed in the two ends of the top of the mainframe box (2), and the inner walls of the circumferences of the two third holes are sleeved with a horizontally arranged heat dissipation top box (11), a horizontally arranged heat radiation fan (12) is fixed on the circumferential inner wall of the heat radiation top box (11), the air outlet position of the heat dissipation fan (12) faces the top, the bottom position of the heat dissipation top box (11) is communicated with the inner wall of the top of the mainframe box (2) and the top of the heat exchange inner case (6), a horizontally arranged impurity collecting tray (9) is fixed at the bottom of the heat exchange coil (3), and the top position of impurity catch tray (9) is fixed with the screen cloth of level setting, the impurity discharging pipe (10) of vertical setting has been cup jointed to the bottom position of impurity catch tray (9).
2. The collecting main for a heat exchanger and the heat exchanger according to claim 1, wherein a fourth hole is opened on the top of the other end of the main cabinet (2), and a horizontally arranged water outlet pipe (7) is sleeved on the circumferential inner wall of the fourth hole.
3. Header pipe and heat exchanger for a heat exchanger according to claim 2, characterized in that one end of the outlet pipe (7) is connected to the inside of the heat exchange inner cabinet (6).
4. The collecting pipe and the heat exchanger as claimed in claim 1, wherein a fifth hole is formed at the bottom of the other end of the main cabinet (2), and a horizontally arranged water inlet pipe (8) is sleeved on the circumferential inner wall of the fifth hole.
5. Header pipe and heat exchanger for a heat exchanger according to claim 4, characterized in that one end of the inlet pipe (8) is connected to the inside of the heat exchange inner casing (6).
6. The collecting main and the heat exchanger as claimed in claim 1, wherein the top position of the circumferential inner wall of the heat-dissipating top box (11) is fixed with a horizontally arranged filtering top plate (13) by bolts.
7. The collecting pipe and the heat exchanger of claim 1, wherein the heat exchange inner case (6) is provided with vertically arranged sliding clamping grooves (16) at two side positions of the inner wall at two ends.
8. Header pipe for heat exchanger and heat exchanger according to claim 7, characterized in that the same horizontally arranged scraper (14) is slidingly clamped between the inner walls of both sides of two said sliding clamping grooves (16) at one end position.
9. The collecting main and the heat exchanger of claim 8, wherein a vertically arranged screw rod (15) is rotatably sleeved between the top inner wall and the bottom inner wall of the sliding clamping groove (16) through a bearing, and the circumferential outer wall of the screw rod (15) is in threaded sleeve connection with the top and the bottom of the scraper (14).
10. The collecting main and the heat exchanger of claim 1, wherein the outer wall of the circumference of the heat exchanging coil (3) is provided with spherical round tubes (17) arranged in a horizontal array, and the spherical round tubes (17) are communicated with the inside of the heat exchanging coil (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988077.XA CN112066760A (en) | 2020-09-18 | 2020-09-18 | Collecting pipe for heat exchanger and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988077.XA CN112066760A (en) | 2020-09-18 | 2020-09-18 | Collecting pipe for heat exchanger and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112066760A true CN112066760A (en) | 2020-12-11 |
Family
ID=73681243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010988077.XA Pending CN112066760A (en) | 2020-09-18 | 2020-09-18 | Collecting pipe for heat exchanger and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112066760A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202675981U (en) * | 2012-06-11 | 2013-01-16 | 常州神龙管业有限公司 | Corrugated heat exchange pipe |
| CN104089516A (en) * | 2014-05-08 | 2014-10-08 | 浙江杭特容器有限公司 | U-shaped corrugated tube |
| CN207163270U (en) * | 2017-07-12 | 2018-03-30 | 上海卓然工程技术股份有限公司 | A kind of plate type heat exchanger with attemperator |
| CN207640692U (en) * | 2017-06-23 | 2018-07-24 | 曲靖医学高等专科学校 | A kind of high-pressure sterilizer with cooling system |
| CN208595841U (en) * | 2018-03-20 | 2019-03-12 | 刘亚楠 | A kind of closed heat exchanger |
| CN111089499A (en) * | 2020-02-28 | 2020-05-01 | 上海欣润环保设备有限公司 | Cremator flue gas low-temperature air exchanger and cooling method |
-
2020
- 2020-09-18 CN CN202010988077.XA patent/CN112066760A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202675981U (en) * | 2012-06-11 | 2013-01-16 | 常州神龙管业有限公司 | Corrugated heat exchange pipe |
| CN104089516A (en) * | 2014-05-08 | 2014-10-08 | 浙江杭特容器有限公司 | U-shaped corrugated tube |
| CN207640692U (en) * | 2017-06-23 | 2018-07-24 | 曲靖医学高等专科学校 | A kind of high-pressure sterilizer with cooling system |
| CN207163270U (en) * | 2017-07-12 | 2018-03-30 | 上海卓然工程技术股份有限公司 | A kind of plate type heat exchanger with attemperator |
| CN208595841U (en) * | 2018-03-20 | 2019-03-12 | 刘亚楠 | A kind of closed heat exchanger |
| CN111089499A (en) * | 2020-02-28 | 2020-05-01 | 上海欣润环保设备有限公司 | Cremator flue gas low-temperature air exchanger and cooling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208908523U (en) | A kind of electric control box with high efficiency and heat radiation mechanism | |
| CN209166173U (en) | A kind of cycle heat exchange device being vortexed using bend pipe | |
| CN112066760A (en) | Collecting pipe for heat exchanger and heat exchanger | |
| CN209147780U (en) | A kind of double tubesheet U-shaped shell high-temperature heat-exchanging | |
| CN108426464A (en) | A kind of energy conservation and environmental protection heat-exchanger rig | |
| CN206222991U (en) | A kind of heat pipe fin heat-exchanger | |
| CN213090512U (en) | Chemical industry is with high-efficient combination formula oil gas cooler | |
| CN209386612U (en) | A kind of dry type shell and tube evaporator condenser combined system | |
| CN207501749U (en) | Cooling driers heat exchange tube structure and cooling driers | |
| CN215595822U (en) | Front cooling mechanism of vacuum pump heat exchanger | |
| CN213179560U (en) | Efficient fluorine-lined heat exchanger | |
| CN210531324U (en) | High-efficient combination formula oil gas cooler | |
| CN216308714U (en) | Tubular oil cooler | |
| CN210741185U (en) | Combined pure titanium heat exchanger | |
| CN208042818U (en) | A kind of energy conservation and environmental protection heat-exchanger rig | |
| CN106052425A (en) | Efficient fin type multihole dustproof radiator of condenser | |
| CN205482495U (en) | Heat pipe residual heat from flue gas device | |
| CN220606342U (en) | Heat dissipation system of water pump control equipment | |
| CN109333145A (en) | The water cooling plant of metalwork processing | |
| CN215337916U (en) | Chemical heat exchange equipment | |
| CN220670263U (en) | Assembled heat exchanger | |
| CN216714488U (en) | Duplex tube type oil cooler | |
| CN219014692U (en) | Evaporator capable of circulating | |
| CN208846794U (en) | A kind of efficient shell-tube type resistant to sea water condenser | |
| CN213067225U (en) | Equipment for replacing heat exchanger to achieve temperature regulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201211 |