CN201664586U - Static mixer - Google Patents
Static mixer Download PDFInfo
- Publication number
- CN201664586U CN201664586U CN201020166525XU CN201020166525U CN201664586U CN 201664586 U CN201664586 U CN 201664586U CN 201020166525X U CN201020166525X U CN 201020166525XU CN 201020166525 U CN201020166525 U CN 201020166525U CN 201664586 U CN201664586 U CN 201664586U
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- Prior art keywords
- static mixer
- mixed cell
- flight
- connector
- king bolt
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- Expired - Fee Related
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- 230000003068 static effect Effects 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 claims description 15
- 230000010006 flight Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model is a static mixer, comprising a small spiral sheet mixing unit (2) and a large spiral sheet mixing unit (3). The spiral piece, a rectangular sheet material, is twisted 180 DEG in a length direction. The large spiral sheet mixing unit (3) consists of three spiral sheets with large diameters arranged side by side. The section of the three spiral sheets with large diameters are three large circles which are mutually circumscribed and are inscribed to a static mixer casing (1). The small spiral sheet mixing unit (2) consists of three spiral sheets with small diameters arranged side by side. The section of the three spiral sheets with small diameters are three small circles which are disposed at the three gaps among two adjacent spiral sheets with large diameters and the static mixer casing (1), and are circumscribed to two adjacent spiral sheets with large diameters and are inscribed to the static mixer casing (1). The utility model has advantages of improving mixing efficiency, reinforcing mixing strength and reducing cost of mixing pressure drop and device manufacturing.
Description
Technical field
The utility model relates to the large production equipment in the petrochemical industry, says further, relates to a kind of static mixer.
Background technology
Existing duct type static mixer mostly is the structure of arranging flight in the pipeline according to certain rules, perhaps be in the pipeline with flight unit and the structure of X type unit combination of intersecting, this type of static mixer have mix, advantage such as simple in structure, good mixing effect.
Along with the maximization of unit scale in recent years, equipment, line size significantly increase, because the restriction that flight is originally experienced factors such as structure and manufacturing, make the single mixed cell length of static mixer extend greatly, not only bring difficulty to pipe arrangement, because the increase of mixer length increases the pressure loss of blender, the device fabrication cost raises simultaneously.
The prior art close with the utility model has CN 2150916 (a kind of static mixer) and CN2275477Y (a kind of novel high-strength static mixer), the common ground of these two patented technologies is in blender is responsible for the above multitubular bundles hybrid element of at least two groups to be housed, the flight that distortion is 185 °～190 ° all is housed in the every tube bank of this hybrid element, between the hybrid element hybrid chamber need be set, in order to link up two mixtures and to strengthen its mixed effect.The problem that this structure exists is: owing to establish the multi units tube bundle side by side in blender is responsible for, relatively independent between each tube bank mixed cell, mixing material in each tube bank can only mix by hybrid chamber, makes mixer length to increase, and pressure drop increases; And the space between tube bank and the tube bank can not utilize the decrease in efficiency of unit length blender; Because multi units tube bundle hybrid element is set, make the mixer structure complexity simultaneously in pipe, the processing and manufacturing difficulty is big.
The utility model content
Be to solve the mixer structure complexity that exists in the prior art, problem such as the unit length mixing efficiency is low, the processing and manufacturing difficulty is big, the utility model provides a kind of static mixer, can improve mixing efficiency, strengthen mixing intensity, and reduce mixed pressure drop.
Static mixer of the present utility model is achieved in that
Flight mixed cell group 5 is set in the described static mixer housing 1;
Described flight mixed cell group 5 comprises minor spiral sheet mixed cell 2 and king bolt sheet mixed cell 3;
Described flight be rectangular sheet along its length (promptly vertical, also be axial) reverse 180 ° and obtain;
Comprise three major diameter flights side by side in the described king bolt sheet mixed cell 3, described three major diameter flight cross sections be the mutual circumscribed while again with static mixer housing 1 three great circles of inscribe mutually;
Comprise three minor diameter flights side by side in the described minor spiral sheet mixed cell 2; Described three minor diameter flight cross sections be between adjacent two major diameter flights and static mixer housing 1 three gaps, three roundlets of and static mixer housing 1 phase inscribe right respectively with the mutually circumscribed while of adjacent two great circles.
Relation between the diameter r of described major diameter flight, the diameter a of minor diameter flight and the mixer case diameter R meet as shown in the formula:
In concrete enforcement
N group flight mixed cell group 5 can vertically be set in the described static mixer housing 1, can connect by connector 6 between the described flight mixed cell group 5; The number of n can be determined by the needs of technology.
Minor spiral sheet mixed cell 2 is isometric with king bolt sheet mixed cell 3, or two isometric minor spiral sheet mixed cell 2 vertical total lengths that connect to form by connector 6 equate with king bolt sheet mixed cell 3.
The syndeton of novel connector 6 can be movable connected structure, and welding is fixing again after perhaps pegging graft.
Described connector 6 is that two terminations are the solid cylinder of half sphere shape, ellipsoid body, cylinder or cuboid;
Described connector 6 one ends are provided with a horizontal opening 7 along axis, and the other end is provided with a vertical openings 8 along axis, and opening thickness equates with the thickness of described flight.
Described horizontal opening 7 and vertical openings 8 are orthogonal to cylinder central point 9, and be perhaps overlapping, and lap is no more than 3 times of described flight thickness.
Described cylindrical diameter can be 3 times of flight thickness, and cylindrical length can be 6 times of flight thickness.
Hole place between described minor spiral sheet mixed cell 2, king bolt sheet mixed cell 3 and the static mixer housing 1 can be provided with liquid barrier 4.
Described liquid barrier 4 is arranged on the same cross section or interlaced arrangement.
Static mixer described in the utility model, can specifically implement in the following manner:
The static mixer enclosure interior is provided with minor spiral sheet mixed cell and king bolt sheet mixed cell, and the cross section of three king bolt sheets in the king bolt sheet mixed cell is mutual circumscribed three great circles, these three circles simultaneously with static mixer housing inscribe mutually; Three minor spiral sheets in the minor spiral sheet mixed cell are in the gap between king bolt sheet and the static mixer housing in twos, and its cross section is three roundlets, respectively with two mutually circumscribed whiles of great circle and static mixer housing phase inscribe.
King bolt sheet and minor spiral sheet are rectangle material and reverse 180 ° of flights that obtain along its length.Minor spiral sheet mixed cell can be isometric with king bolt sheet mixed cell, also can be that two isometric minor spiral sheet mixed cells vertically are 90 °, link to each other with novel connector, is combined into total length and equates with king bolt sheet mixed cell.One group of flight mixed cell group of the common formation of minor spiral sheet mixed cell and king bolt sheet mixed cell.
Aforesaid one group of flight mixed cell group can be set in the static mixer housing, many groups also can be set, corresponding king bolt sheet mixed cell or minor spiral sheet mixed cell vertically are 90 ° mutually in the adjacent flight mixed cell group, join end to end with connector.
Connector is a solid cylinder, and the two ends of connector are half sphere shape, ellipsoid body, also can are cuboid or cylinder.Cylindrical diameter is 3 times of flight thickness, and cylindrical length is 6 times of flight thickness.Connector one end is provided with a horizontal opening along axis, and the other end is provided with a vertical openings along axis, and horizontal opening and vertical openings are isometric, and opening thickness equates with the thickness of flight.Horizontal opening and vertical openings can just be orthogonal to the center of cylinder, also can have necessarily overlappingly in the center, and lap is no more than 3 times of flight thickness.
The end of last group of flight mixed cell group inserts in the horizontal opening of connector, next group flight mixed cell group is then inserted in the vertical openings of connector, such two groups of flight mixed cell groups then are 90 ° of connections, if any many group flight mixed cell groups, then by that analogy, link to each other with a plurality of connectors.Can employing activity inserting mode between connector and the flight, for convenience detach, welding is fixing again after also can pegging graft.
In order to guarantee that short circuit does not appear in shade 4 places as shown in Figure 2, to strengthen mixed effect, can in static mixer housing 1, go up segmentation along its length according to concrete needs liquid barrier is set, liquid barrier can be arranged on also can interlaced arrangement on the same cross section.
Compare with the static mixer of prior art, the utility model has carried out following improvement:
1, existing duct type static mixer only is provided with one group and the isometrical flight of pipeline in pipeline.Improved each group static mixer is provided with six flights in mixer case.These six flights are divided into two kinds of diameters of size, and large diameter three cross sections are and tube wall three circles of inscribe mutually, and are circumscribed mutually between three circles; Three flights of minor diameter are positioned at the gap of three major diameter tangent circles and tube wall, and three cross sections of minor diameter are that inscribe is simultaneously and two adjacent roundlets that great circle is mutually circumscribed mutually with mixer case.This improvement structure has improved the mixing intensity of unit length in the large-diameter pipeline greatly, can effectively shorten mixer length, have simple in structure, pressure drop is little, processing is easy, the advantage of good mixing effect.
2, prior art is in blender is responsible for the multitubular bundles hybrid element to be housed, and distortion all is housed in the every tube bank is 185 °～190 ° flight, and hybrid chamber is set.Static mixer described in the utility model is provided with the flight that one group of distortion is 180 ° in housing, but these flights need not to be provided with the hybrid element tube bank again in blender is responsible for, liquid in the blender pipeline can fully be mixed, do not need to be provided with in addition hybrid chamber, can effectively shorten mixer length.
3, many group flight mixed cells can be set in the utility model static mixer, be 90 ° of angles between the longitudinal spiral sheet, and the utility model provides the connector between the flight mixed cell, the reinforcement connection effect between the flight of adjacent mixed cell can not only be played, mixed effect can also be strengthened simultaneously.
Generally speaking, the utility model is arranged big or small flight mixed cell in one section static mixer housing, mixed liquid is rotated under the effect of flight to move ahead, reach certain mixing purpose, between these flights owing to there is not the restriction of pipeline, mixed liquor can also further contact, fully mixing between flight.Many group flight mixed cells are 90 ° of connections, can make mixed liquid in the process that spiral moves ahead constantly by cutting, to strengthen mixed effect.Being provided with of liquid barrier can prevent that the liquid part from walking short circuit, improved internal mixer branch utilization of space.
Novel connector is simple in structure, and is easy for installation, makes the connection outer static mixer length space of occupying volume not between the flight mixed cell to be the important measures that reduce static mixer length.
Static mixer described in the utility model has solved the problem that maximization device static mixer diameter is big, length is long, manufacture difficulty is big effectively, improves mixing efficiency simultaneously greatly, strengthens mixing intensity, and reduce mixed pressure drop and device fabrication cost.
Description of drawings
The total schematic diagram of Fig. 1 static mixer structure
The flight group schematic cross-section of Fig. 2 static mixer
Fig. 3 connector front view
Fig. 4 connector vertical view
Drawing reference numeral indication parts are:
1-static mixer housing, 2-minor spiral sheet mixed cell, 3-king bolt sheet mixed cell, the 4-liquid barrier, 5-flight mixed cell group, 6-connector, the 7-horizontal opening, 8-vertical openings, 9-cylinder central point, 10-opening thickness, the thickness of 11-flight, the cylindrical termination of 12-, the cylindrical diameter of 13-, the cylindrical length of 14-, 15-static mixer diameter of the housing R, 16-minor spiral sheet diameter of section a, 17-king bolt sheet diameter of section r.
The specific embodiment
Below in conjunction with embodiment, further specify the utility model.
As shown in Figure 1, this is a kind of improved static mixer that is applicable to large production equipment.
This static mixer agent structure comprises: the connector 6 between static mixer housing 1, minor spiral sheet mixed cell 2, king bolt sheet mixed cell 3, liquid barrier 4 and flight mixed cell.
The inside of static mixer housing 1 is made up of minor spiral sheet mixed cell 2 and king bolt sheet mixed cell 3, and its cross-sectional distribution as shown in Figure 2.The cross section of three king bolt sheets in the king bolt sheet mixed cell 3 is mutual circumscribed three great circles, these three circles simultaneously with static mixer housing 1 inscribe mutually; The gap of three minor spiral sheets between king bolt sheet mixed cell 3 and static mixer housing 1 in the minor spiral sheet mixed cell 2, its cross section is three roundlets, respectively with two mutually circumscribed whiles of great circle and static mixer housing 1 phase inscribe.
Flight in minor spiral sheet mixed cell 2 and the king bolt sheet mixed cell 3 is rectangle material and reverses 180 ° along its length and obtain.Two isometric minor spiral sheet mixed cells 2 vertically are 90 °, and after being linked to each other by connector 6, total length equates with king bolt sheet mixed cell 3.One group of flight mixed cell group 5 of flight mixed cell 2 common formations of three large diameter flight mixed cells 3 and three groups of minor diameters, as shown in Figure 1.
Four groups of flight mixed cell groups 5 vertically are set, as shown in Figure 1 in the static mixer housing 1.Four groups of flight mixed cells vertically are 90 ° mutually, link to each other with connector 6.Connector is a solid cylinder, and cylindrical two ends are half sphere shape.Cylindrical diameter is 3 times of flight thickness, 6 times of cylindrical length flight thickness.Cylinder one end is provided with a horizontal opening 7 along axis, and the other end is provided with a vertical openings 8 along axis, and horizontal opening and vertical openings are isometric, and two openings are orthogonal to cylinder central point 9; Opening thickness equates with the thickness of flight.Two orthogonal openings can just be orthogonal to the center of cylinder.The end of first group of minor spiral sheet mixed cell 2 inserts in the horizontal opening 7 of connector 6, and then insert in the vertical openings 8 of this connector 6 on the top of second group of minor spiral sheet mixed cell 2, and such two groups of minor spiral sheet groups then vertically are 90 ° of connections.In like manner the end of first group of king bolt sheet mixed cell 3 inserts in the horizontal opening 7 of connector 6, and then insert in the vertical openings 8 of this connector 6 on the top of second group of king bolt sheet mixed cell 3, and such two king bolt sheet groups also vertically are 90 ° of connections.Four groups of flight mixed cell groups 5 are vertically fitted together with connector as the flight mixed cell of above-mentioned mode with respective diameters, then formed a static mixer of forming by four groups of flight mixed cell groups.Employing activity inserting mode is for convenience detach between each connector and the flight.
In order to strengthen mixed effect, in static mixer housing 1, go up segmentation along its length liquid barrier 4 is set, as shown in Figure 2, liquid barrier 4 is arranged on the same cross section.
Claims (9)
1. a static mixer comprises static mixer housing (1) and flight mixed cell group (5), it is characterized in that:
Flight mixed cell group (5) is set in the described static mixer housing (1);
Described flight mixed cell group (5) comprises minor spiral sheet mixed cell (2) and king bolt sheet mixed cell (3);
Described flight is that rectangular sheet is reversed 180 ° along its length;
Comprise three major diameter flights side by side in the described king bolt sheet mixed cell (3), described three major diameter flight cross sections be the mutual circumscribed while again with static mixer housing (1) three great circles of inscribe mutually;
Comprise three minor diameter flights side by side in the described minor spiral sheet mixed cell (2), described three minor diameter flight cross sections for be positioned at three gaps between adjacent two major diameter flights and the static mixer housing (1), respectively with adjacent two mutually circumscribed whiles of great circle again with three roundlets of static mixer housing (1) phase inscribe.
2. static mixer as claimed in claim 1 is characterized in that:
N group flight mixed cell group (5) vertically is set in the described static mixer housing (1), connects by connector (6) between the described flight mixed cell group (5).
3. static mixer as claimed in claim 1 or 2 is characterized in that:
Described minor spiral sheet mixed cell (2) is isometric with king bolt sheet mixed cell (3), or two isometric minor spiral sheet mixed cells (2) vertically equate with king bolt sheet mixed cell (3) by the total length that connector (6) is formed.
4. static mixer as claimed in claim 3 is characterized in that:
The syndeton of described connector (6) is movable connected structure, welds fixed structure again after perhaps pegging graft.
5. static mixer as claimed in claim 4 is characterized in that:
Described connector (6) is that two terminations are the solid cylinder of half sphere shape, ellipsoid body, cylinder or cuboid;
Described connector (6) one ends are provided with a horizontal opening (7) along axis, and the other end is provided with a vertical openings (8) along axis, and opening thickness equates with the thickness of described flight.
6. static mixer as claimed in claim 5 is characterized in that:
The horizontal opening (7) of described connector (6) and vertical openings (8) are orthogonal to the cylinder central point (9) of fitting (6);
The horizontal opening (7) and the vertical openings (8) of described connector (6) are not overlapping or overlapping, and lap is no more than 3 times of described flight thickness.
7. static mixer as claimed in claim 6 is characterized in that:
The cylindrical diameter of described connector (6) is 3 times of flight thickness, and cylindrical length is 6 times of flight thickness.
8. as the described static mixer of one of claim 3～7, it is characterized in that:
Hole place between described minor spiral sheet mixed cell (2), king bolt sheet mixed cell (3) and the static mixer housing (1) is provided with liquid barrier (4).
9. static mixer as claimed in claim 8 is characterized in that:
Described liquid barrier (4) is arranged on the same cross section or interlaced arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020166525XU CN201664586U (en) | 2010-04-22 | 2010-04-22 | Static mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020166525XU CN201664586U (en) | 2010-04-22 | 2010-04-22 | Static mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664586U true CN201664586U (en) | 2010-12-08 |
Family
ID=43265538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020166525XU Expired - Fee Related CN201664586U (en) | 2010-04-22 | 2010-04-22 | Static mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201664586U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773035A (en) * | 2012-08-14 | 2012-11-14 | 西安永电电气有限责任公司 | Gel mixing device |
| CN103203193A (en) * | 2012-01-11 | 2013-07-17 | 常州市姚氏铸造材料有限公司 | Mesh tube type convection contact apparatus and convection contactor thereof |
| CN103611441A (en) * | 2013-11-29 | 2014-03-05 | 哈尔滨工程大学 | Twisting crossover-type static mixer |
| CN103623722A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨工程大学 | Dispersed streaming static mixer |
| CN103816822A (en) * | 2014-02-20 | 2014-05-28 | 沈阳化工大学 | In-tube concentric double helix static mixer |
| CN103908944A (en) * | 2012-12-30 | 2014-07-09 | 灯塔北方化工有限公司 | High-pressure alcoholysis device |
| CN104661736A (en) * | 2012-05-24 | 2015-05-27 | 苏舍米克斯帕克有限公司 | Mixer for mixing at least two flowable components |
| CN104755246A (en) * | 2012-10-23 | 2015-07-01 | 矢崎总业株式会社 | Injection molding nozzle |
| CN104933221A (en) * | 2015-05-19 | 2015-09-23 | 西安建筑科技大学 | Computing method for efficiency and pressure drop of Kenic HEV static mixer |
| CN105126683A (en) * | 2015-08-05 | 2015-12-09 | 沈阳理工大学 | Micro mixer with cylindrical phyllotaxy assignment structure |
| CN105521719A (en) * | 2016-01-06 | 2016-04-27 | 广州市八通混合器有限公司 | Giant-blade static mixer and manufacturing method of mixing unit thereof |
| CN106861481A (en) * | 2017-03-20 | 2017-06-20 | 浙江为环科技有限公司 | A kind of pipe-line mixer |
-
2010
- 2010-04-22 CN CN201020166525XU patent/CN201664586U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203193A (en) * | 2012-01-11 | 2013-07-17 | 常州市姚氏铸造材料有限公司 | Mesh tube type convection contact apparatus and convection contactor thereof |
| CN103203193B (en) * | 2012-01-11 | 2015-09-02 | 常州市姚氏铸造材料有限公司 | Mesh tube type convection contact device and convection contactor thereof |
| CN104661736A (en) * | 2012-05-24 | 2015-05-27 | 苏舍米克斯帕克有限公司 | Mixer for mixing at least two flowable components |
| CN104661736B (en) * | 2012-05-24 | 2016-09-14 | 苏舍米克斯帕克有限公司 | For mixing the blender of the flowable component of at least two |
| CN102773035A (en) * | 2012-08-14 | 2012-11-14 | 西安永电电气有限责任公司 | Gel mixing device |
| CN104755246B (en) * | 2012-10-23 | 2016-08-31 | 矢崎总业株式会社 | injection molding nozzle |
| CN104755246A (en) * | 2012-10-23 | 2015-07-01 | 矢崎总业株式会社 | Injection molding nozzle |
| CN103908944A (en) * | 2012-12-30 | 2014-07-09 | 灯塔北方化工有限公司 | High-pressure alcoholysis device |
| CN103611441A (en) * | 2013-11-29 | 2014-03-05 | 哈尔滨工程大学 | Twisting crossover-type static mixer |
| CN103623722A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨工程大学 | Dispersed streaming static mixer |
| CN103816822A (en) * | 2014-02-20 | 2014-05-28 | 沈阳化工大学 | In-tube concentric double helix static mixer |
| CN103816822B (en) * | 2014-02-20 | 2016-01-20 | 沈阳化工大学 | Inner concentric tube double helix static mixer |
| CN104933221A (en) * | 2015-05-19 | 2015-09-23 | 西安建筑科技大学 | Computing method for efficiency and pressure drop of Kenic HEV static mixer |
| CN104933221B (en) * | 2015-05-19 | 2018-04-17 | 西安建筑科技大学 | Kenics HEV static mixers efficiency and the computational methods of pressure drop |
| CN105126683A (en) * | 2015-08-05 | 2015-12-09 | 沈阳理工大学 | Micro mixer with cylindrical phyllotaxy assignment structure |
| CN105521719A (en) * | 2016-01-06 | 2016-04-27 | 广州市八通混合器有限公司 | Giant-blade static mixer and manufacturing method of mixing unit thereof |
| CN105521719B (en) * | 2016-01-06 | 2018-01-09 | 广州市八通混合器有限公司 | A kind of huge blade static mixer and its mixed cell manufacture method |
| CN106861481A (en) * | 2017-03-20 | 2017-06-20 | 浙江为环科技有限公司 | A kind of pipe-line mixer |
| CN106861481B (en) * | 2017-03-20 | 2022-11-25 | 浙江为环科技有限公司 | Pipeline mixer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Sinopec Engineering Incorporation Patentee after: China Petrochemical Group Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Engrg Construction Co., SINOPEC Patentee before: China Petrochemical Group Corp. |
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| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SINOPEC ENGINEERING INCORPORATION Effective date: 20130122 Owner name: SINOPEC ENGINEERING INCORPORATION Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130122 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100728 CHAOYANG, BEIJING TO: 100101 CHAOYANG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130122 Address after: Anhui Beili Anyuan 21 No. 100101 Beijing Chaoyang District City Patentee after: Sinopec Engineering Incorporation Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Sinopec Engineering Incorporation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20180422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |