CN207941228U - A kind of injection state tower tray - Google Patents
A kind of injection state tower tray Download PDFInfo
- Publication number
- CN207941228U CN207941228U CN201820109113.9U CN201820109113U CN207941228U CN 207941228 U CN207941228 U CN 207941228U CN 201820109113 U CN201820109113 U CN 201820109113U CN 207941228 U CN207941228 U CN 207941228U
- Authority
- CN
- China
- Prior art keywords
- plate
- horizontal plate
- calotte
- injection pipe
- tower body
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 66
- 239000007924 injection Substances 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000000630 rising effect Effects 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000007791 liquid phase Substances 0.000 description 13
- 239000012071 phase Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cyclones (AREA)
Abstract
The utility model is related to gas-liquid separation fields, disclose a kind of injection state tower tray comprising tower body, horizontal plate, injection pipe, calotte, cyclone cover, separating plate and down-flow plate；One end of horizontal plate is connect with tower body, and the other end is connect with the upper end of the down-flow plate of this layer, and downspout is constituted between down-flow plate and tower body；Several air rising holes are distributed on horizontal plate, each air rising hole corresponds to installation injection pipe, and injection pipe is higher by horizontal plate, and there are gaps between lower end and horizontal plate；Separating plate is mounted on above horizontal plate but is less than injection pipe, and one end of separating plate is connected with the down-flow plate lower end of the horizontal plate on upper layer, and the other end horizontally extends into above the downspout of the horizontal plate of this layer；It is correspondingly provided with a calotte at the top of each injection pipe, the side wall of calotte is provided with multiple spray-holes, and a cyclone cover is correspondingly provided on the outside of each calotte.The utility model can thoroughly prevent liquid dispersion, improve plate efficiency.
Description
Technical field
The utility model is related to gas and liquid separation technology fields, more particularly to a kind of steaming that can be used in petrochemical industry
The injection state tower tray of processes such as evaporate, absorb, desorbing, stripping.
Background technology
Mitsui shipbuilding Co., Ltd. successfully develops New Vertical Sieve Tray before and after nineteen sixty-eight, and it is continuous that it, which is with gas phase,
Phase, the efficient jetting column plate that liquid phase is dispersed phase, for pervious bubble-cap, sieve plate and valve plate, separative efficiency,
Production capacity and operating flexibility all substantially increase.And still there is disadvantage in the column plate, wherein after entering jet cover due to gas-liquid
It is sprayed around from spray-hole, a part of drop can reenter the jet cover, thus be easy to happen liquid dispersion.
In view of the above-mentioned problems, there is many innovative technologies and invention again in recent years, the performance of jet tray is improved.Specially
Sharp CN2915212Y discloses a kind of radial side pilot jet tray, it is opened in jet cover two pieces of jet trays parallel with liquid flow path direction
There is spray-hole, while being also provided with spray-hole on its baffle closer to downspout side, and in the gear far from downspout side
Spray-hole is set on plate, reduces the amount of backmixing of liquid phase.But this structure only reduces the back-mixing of liquid phase to a certain extent,
And fundamentally to solve the problems, such as back-mixing, substantive effect cannot be obtained.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of injection state tower tray, can thoroughly prevent liquid dispersion, improves column plate
Efficiency.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of injection state tower tray comprising tower body, horizontal tower
Plate, injection pipe, calotte, cyclone cover, separating plate and down-flow plate；
The horizontal plate includes multilayer, and horizontal plate described in multilayer is spaced from top to bottom in the tower body；
One end of the horizontal plate is connect with the tower body, and the other end is connect with the upper end of the down-flow plate of this layer,
Downspout is constituted between the down-flow plate and the tower body, the downspout is dislocatedly distributed in the tower body；
Several air rising holes are distributed on the horizontal plate, each air rising hole corresponds to one injection pipe of installation,
And the injection pipe is higher by the horizontal plate, there are gaps between the lower end of the injection pipe and the horizontal plate；
The separating plate is mounted on the top of the horizontal plate, but less than the upper end of the injection pipe, the separating plate
One end be connected with the down-flow plate lower end of the horizontal plate on upper layer, the other end horizontally extends into the horizontal plate of this layer
Downspout above；
It is correspondingly provided with a calotte at the top of each described injection pipe, the side wall of the calotte is provided with multiple injections
The lower end in hole, the calotte is fixed on the separating plate, and an eddy flow is correspondingly provided on the outside of each described calotte
Cover, the lower part of the cyclone cover is fixed on the side wall of the calotte.
Wherein, the main part of the horizontal plate is in the shape to match with place tower body, and is connect with tower body sealing,
The side of the horizontal plate is equipped with the first notch, and the lower end of first notch connects the upper end of the down-flow plate of this layer.
Wherein, the main part of the separating plate is in the shape to match with place tower body, and is connect with tower body sealing, institute
The opposite sides for stating separating plate is equipped with the second notch, wherein is located above the horizontal plate and place tower body connecting pin
The lower end of second notch and the down-flow plate on upper layer connects, another second notch extends into the downspout of this layer
Top.
Wherein, the downspout corresponding position on the horizontal plate and upper layer is equipped with reservoir.
Wherein, the injection pipe is in up-narrow and down-wide nozzle-like；The lower end of the injection pipe passes through stabilizer blade and horizontal plate
Connection, and there are the gaps.
Wherein, the lower end of the calotte is fixed on by stabilizer blade on corresponding separating plate.
Wherein, the cyclone cover is fixed by the bracket the side wall in the calotte, and the top of the calotte is equipped with cover board.
Wherein, the calotte is welded on by stabilizer blade on the separating plate, and there are gaps between the separating plate.
Wherein, cyclone cover cylindrical shape with a narrow upper and lower width passes through circular sliding slopes, the eddy flow between upper and lower two parts
The circular arc portion of cover is corresponding with the spray-hole of the calotte.
Wherein, the separating plate is horizontally arranged at the top of horizontal plate, and is higher by horizontal plate 100mm~150mm；
Round hole is provided on the separating plate, the injection pipe is passed through from the round hole, and the injection pipe and circle
Shape is seamlessly connected between hole.
(3) advantageous effect
Compared with prior art, the utility model has the following advantages：
A kind of injection state tower tray provided by the utility model, increases by a layer separation plate, after mass transfer on horizontal plate
The liquid of liquid and non-mass transfer on this layer of column plate separates, and can thoroughly prevent liquid dispersion, improves plate efficiency, wherein injection pipe
On horizontal plate, calotte is mounted on separating plate；In addition increase cyclone cover outside calotte, increase the contact of gas-liquid
Time and contact area improve the efficiency of gas-liquid mass transfer.
Description of the drawings
Fig. 1 is a kind of side view of injection state tower tray of the utility model；
Fig. 2 is a kind of vertical view of injection state tower tray of the utility model；
In figure：1：Tower body；2：Horizontal plate；3：Injection pipe；31：Stabilizer blade；4：Calotte；41：Cover board；42：Stabilizer blade；43：Spray
Perforation；5：Cyclone cover；51：Circular arc portion；52：Stabilizer blade；6：Separating plate；7：Down-flow plate；8：Downspout.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot understand
To indicate or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
The concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multigroup " are meant that two
It is a or more than two.
As shown in Figs. 1-2, the utility model provides a kind of injection state tower tray comprising tower body 1, horizontal plate 2, injection
Pipe 3, calotte 4, cyclone cover 5, separating plate 6 and down-flow plate 7；
The horizontal plate 2 includes multilayer, and horizontal plate 2 is spaced from top to bottom in tower body 1 described in multilayer, down-flow plate
7 be also correspondingly multiple, and the side of every layer of horizontal plate 2 is all connected with a down-flow plate 7, and the company of down-flow plate 7 and horizontal plate 2
Position stagger setting between adjacent layer is connect, i.e. the down-flow plate 7 on upper layer is set to the right side of tower body 1, and the down-flow plate 7 of lower layer is just set to
The left side of tower body 1；
One end of the horizontal plate 2 is connect with place tower body 1, and the upper end of the other end and the down-flow plate 7 of this layer connects
It connects, downspout 8 is constituted between the down-flow plate 7 and tower body 1, the downspout 8 is dislocatedly distributed in the tower body 1；
Several air rising holes are evenly distributed on the horizontal plate 2, each air rising hole corresponds to one spray of installation
Penetrate pipe 3, and the injection pipe 3 is higher by the horizontal plate 2, between the lower end of the injection pipe 3 and the horizontal plate 2 there are
Gap, chinky altitude are generally 5mm~10mm so that the liquid phase on horizontal plate 2 can enter in injection pipe 3；
The separating plate 6 is mounted on the top of the horizontal plate 2, but less than the upper end of the injection pipe 3, the separation
One end of plate 6 is connected with 7 lower end of down-flow plate of the horizontal plate 2 on upper layer, and the other end horizontally extends into the water of this layer
8 top of downspout of flat column plate 2, the distance stretched into are 80mm~120mm, and other parts are shut with the welding of tower body 1, after mass transfer
Liquid phase and the liquid phase of the 2 non-mass transfer of horizontal plate of this layer thoroughly separate, thoroughly avoid back-mixing；
Each 3 top of the injection pipe is correspondingly provided with a calotte 4, and the side wall of the calotte 4 is provided with multiple sprays
The lower end of perforation 43, the calotte 4 is fixed on the separating plate 6, and the outside of each calotte 4 is correspondingly provided with an institute
Cyclone cover 5 is stated, the lower part of the cyclone cover 5 is fixed on the side wall of the calotte 4.Due to being mounted with cyclone cover in 4 side wall of calotte
5, time and the area of gas-liquid contact are increased, the efficiency of gas-liquid mass transfer is improved；Due to the presence of separating plate 6, after mass transfer
Liquid be introduced directly into the horizontal plate 2 of lower layer, avoid the liquid that gas-liquid mass transfer does not occur on its horizontal plate 2 with this layer
Between back-mixing, the motive force and plate efficiency of mass transfer is greatly improved.
Specifically, the main part of the horizontal plate 2 is in the shape to match with place tower body 1, the utility model
In embodiment, tower body 1 is cylinder, and the main part of horizontal plate 2 is in roughly circular, and is tightly connected with tower body 1, the water
The side of flat column plate 2 is equipped with the first notch, which can obtain from one minor arc of circular excision, first notch
Lower end connects the upper end of the down-flow plate 7 of this layer, and the both sides of down-flow plate 7 are also tightly connected with tower body 1, to isolate downspout
8 regions.
Correspondingly, the main part of the separating plate 6 is in the shape to match with place tower body 1, the reality of the utility model
It applies in example, tower body 1 is cylinder, and the main part of separating plate 6 is in roughly circular, and is tightly connected with tower body 1, the separating plate
6 opposite sides is equipped with the second notch, can be obtained by cutting two minor arcs from circular diametrically both sides, wherein
The lower end of the down-flow plate 7 of second notch and upper layer above the horizontal plate 2 and 1 connecting pin of place tower body connects
It connects, another described second notch extends into 8 top of the downspout of this layer, for the liquid after mass transfer to be introduced directly into down
The horizontal plate 2 of layer.
Wherein, 8 corresponding position of the downspout on the horizontal plate 2 and upper layer is equipped with reservoir, for store from
The liquid that upper layer downspout 8 flows down.
Wherein, the injection pipe 3 is in up-narrow and down-wide nozzle-like, and nozzle height can be 30mm~50mm, can increase
Gas phase flow velocity reduces resistance drop, is particularly suitable for requiring the lower operating mode of resistance drop；The lower end of the injection pipe 3 passes through stabilizer blade
31 connect with horizontal plate 2, and there are the gaps.Injection pipe 3 can be cylinder or cuboid, and height is generally 150mm
~200mm.
Wherein, the lower end of the calotte 4 is weldingly fixed on by stabilizer blade 42 on corresponding separating plate 6, and is detached with described
There are gaps, calotte 4 to be mounted on the top of injection pipe 3 between plate 6, and the center line of injection pipe 3 is overlapped with the center line of calotte 4, cap
The side wall of cover 4 is provided with round or triangle spray-hole 43, and liquid phase is after the ejection of injection pipe 3, from the spray-hole 43 of calotte 4 again
It sprays.
Wherein, the cyclone cover 5 is fixed by the bracket the side wall in the calotte 4, and the top of the calotte 4 is equipped with cover board
41, cover board 41 can be plane or arc surface, and the radian of arc surface is 120 °~150 °, and 41 bottom of cover board can add in column
Fleam-tooth, the angle at sawtooth base angle is 60 °~75 °.
Wherein, 5 cylindrical shape with a narrow upper and lower width of the cyclone cover is by circular sliding slopes, radian between upper and lower two parts
60 °~120 °, the circular arc portion 51 of the cyclone cover 5 is corresponding with the spray-hole 43 of the calotte 4 so that by the injection of calotte 4
The gas-liquid mixed that hole 43 sprays mutually is directly entered the circular arc portion 51 of cyclone cover 5.The upper and lower part of cyclone cover 5 is opening,
Ensure gas phase and liquid phase circulation.The lower part of cyclone cover 5 is welded on the lower part of calotte 4 by stabilizer blade 52.
Wherein, the separating plate 6 is horizontally arranged at the top of horizontal plate 2, and be higher by horizontal plate 2100mm~
150mm；
Round hole is provided on the separating plate 6, the injection pipe 3 is passed through from the round hole, and the injection pipe 3 with
It is seamlessly connected between round hole.
The operation principle and process of the utility model be：The liquid phase of upper layer horizontal plate 2 falls into this layer of level through downspout 8
Column plate 2 enters injection pipe 3 by the gap between injection pipe 3 and this layer of horizontal plate 2, and the gas phase of lower layer's horizontal plate 2 is by rising
Stomata enters injection pipe 3, and gas phase will be held up by the liquid phase of injection pipe 3, and liquid phase is after membrane, cyclization, rupture by the cover board of calotte 4
41 shuntings, most spray through spray-hole 43, the gas-liquid mixture of ejection enters at the middle part circular arc portion 51 of cyclone cover 5, in circle afterwards
Eddy flow is formed at arc portion point 51, gas-liquid mixture increases gas-liquid contact along the inner wall ascending motion in the shape of a spiral of cyclone cover 5
Time and area；Gas phase is flowed out from 5 upper opening of cyclone cover, and a liquid phase part is taken out of from 5 top of cyclone cover by gas phase, fallen on
On separating plate 6, another part is flowed to from the lower part of cyclone cover 5 on separating plate 6, and the liquid phase after gas-liquid mass transfer is directly entered separating plate
On 6, downspout 8 is imported by separating plate 6, tower is improved so as to avoid the generation of liquid dispersion into lower layer's horizontal plate 2
The mass transfer force and plate efficiency of plate.
As can be seen from the above embodiments, the utility model can thoroughly prevent liquid dispersion, improve plate efficiency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of injection state tower tray, which is characterized in that including tower body, horizontal plate, injection pipe, calotte, cyclone cover, separating plate and
Down-flow plate；
The horizontal plate includes multilayer, and horizontal plate described in multilayer is spaced from top to bottom in the tower body；
One end of the horizontal plate is connect with the tower body, and the other end is connect with the upper end of the down-flow plate of this layer, described
Downspout is constituted between down-flow plate and the tower body, the downspout is dislocatedly distributed in the tower body；
Several air rising holes are distributed on the horizontal plate, each air rising hole corresponds to one injection pipe of installation, and institute
It states injection pipe and is higher by the horizontal plate, there are gaps between the lower end of the injection pipe and the horizontal plate；
The separating plate is mounted on the top of the horizontal plate, but is less than the upper end of the injection pipe, and the one of the separating plate
End is connected with the down-flow plate lower end of the horizontal plate on upper layer, and the other end horizontally extends into the drop of the horizontal plate of this layer
Above liquid pipe；
It is correspondingly provided with a calotte at the top of each described injection pipe, the side wall of the calotte is provided with multiple spray-holes, institute
The lower end for stating calotte is fixed on the separating plate, and a cyclone cover, institute are correspondingly provided on the outside of each described calotte
The lower part for stating cyclone cover is fixed on the side wall of the calotte.
2. injection state tower tray according to claim 1, which is characterized in that the main part of the horizontal plate be in and place
The shape that tower body matches, and connect with tower body sealing, the side of the horizontal plate is equipped with the first notch, first notch
Lower end connect this layer the down-flow plate upper end.
3. injection state tower tray according to claim 1, which is characterized in that the main part of the separating plate be in and place tower
The shape that body matches, and connect with tower body sealing, the opposite sides of the separating plate is equipped with the second notch, wherein is located at
The horizontal plate is connect with the lower end of the down-flow plate of second notch and upper layer above the tower body connecting pin of place, another
Second notch extends into above the downspout of this layer.
4. injection state tower tray according to claim 1, which is characterized in that the downspout of the horizontal plate and upper layer
Corresponding position is equipped with reservoir.
5. injection state tower tray according to claim 1, which is characterized in that the injection pipe is in up-narrow and down-wide nozzle-like；
The lower end of the injection pipe is connect by stabilizer blade with horizontal plate, and there are the gaps.
6. injection state tower tray according to claim 1, which is characterized in that the lower end of the calotte is fixed on phase by stabilizer blade
On the separating plate answered.
7. injection state tower tray according to claim 1, which is characterized in that the cyclone cover is fixed by the bracket in the cap
The top of the side wall of cover, the calotte is equipped with cover board.
8. injection state tower tray according to claim 1, which is characterized in that the calotte is welded on the separation by stabilizer blade
On plate, and there are gaps between the separating plate.
9. injection state tower tray according to claim 1, which is characterized in that the cyclone cover cylindrical shape with a narrow upper and lower width,
By circular sliding slopes between its upper and lower two parts, the circular arc portion of the cyclone cover is corresponding with the spray-hole of the calotte.
10. spraying state tower tray according to claim 1-9 any one of them, which is characterized in that the separating plate is horizontally arranged at
The top of horizontal plate, and it is higher by horizontal plate 100mm~150mm；
Round hole is provided on the separating plate, the injection pipe is passed through from the round hole, and the injection pipe and round hole
Between be seamlessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109113.9U CN207941228U (en) | 2018-01-23 | 2018-01-23 | A kind of injection state tower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109113.9U CN207941228U (en) | 2018-01-23 | 2018-01-23 | A kind of injection state tower tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207941228U true CN207941228U (en) | 2018-10-09 |
Family
ID=63702281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820109113.9U Active CN207941228U (en) | 2018-01-23 | 2018-01-23 | A kind of injection state tower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207941228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729340A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Cap cover for three-dimensional mass transfer tower plate, low-pressure-drop injection tower plate and gas-liquid mass transfer method thereof |
| CN114433002A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Gas-liquid mass transfer system |
-
2018
- 2018-01-23 CN CN201820109113.9U patent/CN207941228U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729340A (en) * | 2020-07-30 | 2020-10-02 | 天津普莱化工技术有限公司 | Cap cover for three-dimensional mass transfer tower plate, low-pressure-drop injection tower plate and gas-liquid mass transfer method thereof |
| CN114433002A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Gas-liquid mass transfer system |
| CN114433002B (en) * | 2020-10-31 | 2023-09-01 | 中国石油化工股份有限公司 | Gas-liquid mass transfer system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207941228U (en) | A kind of injection state tower tray | |
| CN105984227B (en) | Liquid discharge apparatus and fluid ejection head | |
| SU1491552A1 (en) | Column | |
| CN201959778U (en) | Gas-liquid separator | |
| CN205817017U (en) | Nitrogen protection device | |
| CN208599209U (en) | A kind of annular liquid distributor pipe | |
| KR20120057133A (en) | Gas diffuser of welding torch | |
| CN204767780U (en) | Secondary atomizing oil -water separator | |
| CN101507883A (en) | Film spray no-back mixing column plate | |
| CN103785188B (en) | A kind of liquid flashes distributor | |
| CN203494522U (en) | Novel efficient mass transfer jet tray | |
| CN203569041U (en) | Super-heavy oil high-temperature and high-efficient elevation angle type pre-dehydrating device | |
| CN204395499U (en) | A kind of eddy flow Guide spray calotte | |
| CN102049149A (en) | Tower feeding distributor | |
| CN105727583A (en) | Fine atomization flash tank | |
| US10722851B2 (en) | Distributor tray for gas/liquid exchange column with liquid deflector | |
| CN110064313A (en) | A kind of injection state gas-liquid switching equipment | |
| CN104784960A (en) | Streamline-type three-dimensional spray tray | |
| CN203448825U (en) | Welding furnace for jet welding | |
| CN204320229U (en) | Be provided with the mist projection granulating knockout tower of anti-back-mixing baffle plate | |
| CN105478268A (en) | Dust-removing spray nozzle | |
| CN208260766U (en) | A kind of low entrainment calotte | |
| CN207493245U (en) | A kind of solvent rectifying column | |
| JP2016068029A (en) | Gas-liquid contactor | |
| CN218166012U (en) | Volatile oil extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |