CN111237518A - Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof - Google Patents
Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof Download PDFInfo
- Publication number
- CN111237518A CN111237518A CN202010028686.0A CN202010028686A CN111237518A CN 111237518 A CN111237518 A CN 111237518A CN 202010028686 A CN202010028686 A CN 202010028686A CN 111237518 A CN111237518 A CN 111237518A
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- valve
- plate
- fixed
- cylindrical block
- punch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention relates to the technical field of valve fixing tower plates, in particular to a special-shaped fixed valve for improving mass transfer efficiency and a stamping die thereof. Aiming at the defects in the prior art, the invention aims to provide the special-shaped solid valve for improving the mass transfer efficiency and the stamping die thereof, so that the gas outlet range of a valve hole is prolonged, and the mass transfer efficiency between gas and liquid is improved; the tower tray plate forming device has the advantages that the circular fixed valve and the trapezoidal fixed valve are formed on the tower tray plate at one time, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of valve fixing tower plates, in particular to a special-shaped fixed valve for improving mass transfer efficiency and a stamping die thereof.
Background
The mass transfer equipment used in the production process in the field of petrochemical industry mainly comprises a plate tower and a packed tower, wherein the plate tower is widely applied by the characteristics of large production capacity, wide operation flexibility, high mass transfer efficiency and the like. In the plate tower, a floating valve tray and a fixed valve tray (tray with sieve holes) are mainly used. The operation flexibility of the float valve tray is large, the pressure drop is small, but in long-term operation, some valve bodies can fall off, and the processing cost is high; although the sieve tray has the lowest processing cost, the liquid level gradient on the tray is large, gas is unevenly distributed in the liquid flow direction, and the back mixing of the arch-shaped area is serious, thereby affecting the efficiency of the tray.
The valve fixing form is between the sieve plate and the float valve, and the valve body is formed by directly stamping on the tower plate. The valve fixing tower plate has no floating part, and the valve body is punched out in certain height to form valve hole and side gap. The gas phase flows out from the valve hole and the side gap and is in gas-liquid contact and mass transfer with the liquid phase on the tower plate. The valve fixing type tower plate is simple to process, low in manufacturing cost, easy to maintain and good in anti-blocking capacity.
At present, the invention patent with the publication number of CN104841154A provides a low-mist entrainment guide trapezoidal fixed valve, which comprises a tower plate and a valve body, wherein the valve body is directly formed by punching the tower plate, a punch punches a trapezoidal valve hole on the tower plate, and the valve body is provided with a guide tongue hole. The structure of the trapezoid valve hole has a forward guiding effect on liquid; the gas flowing out from the guide tongue hole is ejected along the direction of the tongue plate to push the liquid forward, and the guide tongue hole has downward pushing force to inhibit the liquid from being ejected upwards, so that entrainment is reduced.
The low-entrainment guiding trapezoidal fixed valve has the defects that ① can reduce entrainment, but mass transfer efficiency of a trapezoidal valve hole is not greatly improved, ② needs to punch a tongue plate on a tray plate firstly and then punch a valve body on the tray plate with the tongue plate, and production efficiency is low due to two punching processes.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the special-shaped solid valve for improving the mass transfer efficiency and the stamping die thereof, and the special-shaped solid valve has the advantage of improving the mass transfer efficiency of a valve hole.
The above object of the present invention is achieved by the following technical solutions: the special-shaped fixed valve for improving the mass transfer efficiency comprises a tower plate, wherein a circular fixed valve and a circular fixed valve hole corresponding to the circular fixed valve are punched on the tower plate, a trapezoidal fixed valve is punched on the circular fixed valve, and lug plates are arranged at two waists of the trapezoidal fixed valve.
Through adopting above-mentioned technical scheme, utilize the otic placode to increase the length of side of two waists departments of trapezoidal fixed valve, the valve opening length of side that trapezoidal fixed valve corresponds also corresponds and increases to prolonged the scope of giving vent to anger of valve opening, circular solid valve opening has also prolonged the scope of giving vent to anger of valve opening in addition, so mass transfer efficiency obtains improving.
Preferably, the quantity of the ear plates at the two waists of the trapezoidal fixed valve is the same, and the quantity of the ear plates at each waist is at least two.
By adopting the technical scheme, the two waist parts of the valve hole corresponding to the trapezoidal fixed valve are ensured to have good mass transfer efficiency.
Preferably, trapezoidal standing valve includes the valve body, otic placode integrated into one piece in the waist of valve body, and the valve body is isosceles trapezoid.
By adopting the technical scheme, the valve hole corresponding to the isosceles trapezoid valve body can enable the gas blown out of the valve hole to generate component force for liquid diversion.
Preferably, at least three notches are punched at the edge of the circular fixed valve at intervals, a connecting plate is integrally formed at one end, close to the circle center of the circular fixed valve, of each notch, and the connecting plate and the tower plate are integrally formed.
Through adopting above-mentioned technical scheme, improved the stability that circular standing valve and tray board are connected.
Preferably, the edge of the circular fixed valve is bent towards the tray plate.
By adopting the technical scheme, after the edge of the circular fixed valve is bent, the resistance to liquid flow can be increased, and the gas moving towards the edge of the circular fixed valve along the lower surface of the circular fixed valve is forced to move downwards and upwards, so that the mass transfer efficiency at the edge of the circular fixed valve is improved.
The invention also aims to provide the stamping die for the special-shaped fixed valve, which has the advantage of forming the round fixed valve and the trapezoidal fixed valve on the tower tray plate at one time, and improves the production efficiency.
The above object of the present invention is achieved by the following technical solutions: a stamping die for forming the special-shaped solid valve comprises a stamping head seat and a base, wherein a stamping head is arranged at the bottom of the stamping head seat, the base comprises a fixed plate and a movable plate which are parallel to each other, the movable plate is positioned between the fixed plate and the stamping head, a first elastic part is arranged between the fixed plate and the movable plate, a vertical first cylindrical block is fixed on the upper surface of the fixed plate, a first round hole for the first cylindrical block to be inserted in a matched mode is formed in the movable plate, a vertical cuboid plate is fixed on the inner wall of the first round hole, a first slot for the cuboid plate to be inserted in a matched mode is formed in the side surface of the first cylindrical block, and the first slot is communicated to the upper surface;
a second round hole is formed in the lower surface of the punch and has the same diameter as the first round hole, a second cylindrical block is arranged in the second round hole in a matching mode, the punch holder comprises a top plate, the top plate is fixed relative to the punch holder, a pressing plate is arranged between the top plate and the punch holder, a second elastic piece is arranged between the pressing plate and the top plate, and the top of the second cylindrical block is connected with the pressing plate;
a second slot is formed in the side face of the second cylindrical block, the second slot is communicated to the lower surface of the second cylindrical block, the second slot is located right above the first slot, a fixing block is arranged on the bottom face of the punch seat, one part of the fixing block is inserted into the second slot, an inclined plane is arranged at the part, inserted into the second slot, of the fixing block, the inclined plane faces downwards and is located at one end, close to the center of the punch, of the fixing block;
a fixing column penetrates through the second cylindrical block along the direction of the central axis of the second cylindrical block, the top of the fixing column penetrates through the pressing plate to be connected with the top plate, a trapezoidal fixing valve forming female die is arranged on the bottom surface of the fixing column, and a trapezoidal fixing valve forming male die is arranged on the top surface of the first cylindrical block.
By adopting the technical scheme, when the punch is pressed downwards, the second elastic piece presses the second cylindrical block on the top of the first cylindrical block, and when the punch is continuously pressed downwards, the first cylindrical block is fixed, so that the second cylindrical block upwards returns into the second circular hole and the first cylindrical block enters into the second circular hole, and the second elastic piece is compressed. When the first fixing column pushes the second fixing column to move upwards, one part of the fixing block is inserted into the corresponding first slot, and the other part of the fixing block presses the movable plate downwards, so that the first elastic piece is compressed.
When the first cylindrical block enters the second circular hole, the first cylindrical block and the second cylindrical block shear the tray plate to form a circular fixed valve hole, and the tray plate pushed into the second circular hole by the first cylindrical block is formed into a circular fixed valve;
when the first cylindrical block enters the second round hole, the fixing block is inserted into the corresponding first slot, so that the tray plate is sheared to form a connecting plate for connecting the circular fixing valve and the tray plate;
when the first cylindrical block enters the second circular hole, the trapezoidal fixed valve forming male die and the trapezoidal fixed valve forming female die are matched, so that the trapezoidal fixed valve is punched on the circular fixed valve, and the purpose of punching and forming the circular fixed valve and the trapezoidal fixed valve at one time is realized.
Preferably, the edge of the top surface of the first cylindrical block is provided with a chamfer.
Through adopting above-mentioned technical scheme, when the first cylinder piece that the top surface edge has the chamfer was pegged graft with the second round hole and is cooperated, the circular standing valve edge downwarping that can make the shearing cut.
Preferably, a limiting rod pointing to the top plate is fixed on the upper surface of the pressure plate.
Through adopting above-mentioned technical scheme, the distance of gag lever post and roof is first cylinder piece promptly and pushes away the stroke scope of second cylinder piece rebound.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the gas outlet range of the valve hole is prolonged, and the mass transfer efficiency between gas and liquid is improved;
2. the tower tray plate forming device has the advantages that the circular fixed valve and the trapezoidal fixed valve are formed on the tower tray plate at one time, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a special-shaped solid valve for improving mass transfer efficiency;
FIG. 2 is a front view of a stamping die for a shaped solid valve for mass transfer efficiency;
FIG. 3 is a perspective view of a stamping die for a shaped solid valve for mass transfer efficiency;
FIG. 4 is a schematic view of the structure of the base;
fig. 5 is a schematic structural view of the punch holder.
In the figure, 1, a tray plate; 2. a circular fixed valve; 3. a circular fixed valve hole; 4. a trapezoidal fixed valve; 5. a valve body; 6. an ear plate; 7. a notch; 8. a connecting plate; 9. a punch holder; 10. a base; 11. a punch; 12. a fixing plate; 13. a movable plate; 14. a first elastic member; 15. a first cylindrical block; 16. a first circular hole; 17. a rectangular plate; 18. a first slot; 19. a second circular hole; 20. a second cylindrical block; 21. a top plate; 22. pressing a plate; 23. a second elastic member; 24. a second slot; 25. a fixed block; 26. a bevel; 27. a trapezoidal fixed valve forming male die; 28. a trapezoidal fixed valve forming female die; 29. chamfering; 30. a limiting rod; 31. fixing a column; 32. a connecting rod; 33. a first guide groove; 34. a first guide post; 35. a second guide post; 36. a second guide groove; 37. and C-shaped plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the special-shaped fixed valve for improving mass transfer efficiency disclosed by the invention comprises a tower plate 1, wherein a circular fixed valve 2, a circular fixed valve hole 3 corresponding to the circular fixed valve 2, a trapezoidal fixed valve 4 and a valve hole corresponding to the trapezoidal fixed valve 4 are punched on the tower plate 1, and the trapezoidal fixed valve 4 is punched on the circular fixed valve 2.
As shown in fig. 1, at least three notches 7 are punched at the edge of the circular fixed valve 2 at intervals, a connecting plate 8 is integrally formed at one end of each notch 7 close to the circle center of the circular fixed valve 2, the connecting plate 8 and the tray plate 1 are integrally formed, and the edge of the circular fixed valve 2 is bent towards the tray plate 1. Trapezoidal standing valve 4 is by valve body 5 and otic placode 6 integrated into one piece, and valve body 5 is isosceles trapezoid, and otic placode 6 is located two waists of valve body 5. The number of the ear plates 6 at each waist of the valve body 5 is at least two, and the number of the ear plates 6 at the two waists is the same.
As shown in figure 1, the side lengths of two waists of the trapezoidal fixed valve 4 are increased by utilizing the ear plates 6, the side length of the valve hole corresponding to the trapezoidal fixed valve 4 is correspondingly increased, so that the air outlet range of the valve hole is prolonged, and in addition, the air outlet range of the valve hole is also prolonged by utilizing the circular fixed valve hole 3, so that the mass transfer efficiency is improved. After the edge of the circular fixed valve 2 is bent, the resistance to liquid flow can be increased, and the gas moving towards the edge of the circular fixed valve 2 along the lower surface of the circular fixed valve 2 is forced to move downwards and then upwards, so that the mass transfer efficiency at the edge of the circular fixed valve 2 is improved.
As shown in fig. 2, the stamping die of the special-shaped fixed valve comprises a punch seat 9 and a base 10: the base 10 comprises a fixed plate 12, a first elastic element 14 and a movable plate 13 which are sequentially distributed from bottom to top, wherein the fixed plate 12 is fixed on the workbench; the punch seat 9 comprises a punch 11, a pressing plate 22, a top plate 21 and a connecting rod 32 which are sequentially distributed from bottom to top, and the connecting rod 32 is connected with a punching rod of punching equipment. When the punching equipment is started, the punching rod presses the punching head seat 9 to the base 10.
As shown in fig. 3, a vertical first cylindrical block 15 is fixed at the center of the upper surface of the fixed plate 12, first guide grooves 33 are respectively formed at four corners, a vertical first guide post 34 is fixed at each of the four corners of the lower surface of the movable plate 13, and the first guide posts 34 are fittingly inserted into the corresponding first guide grooves 33. Two vertical second guide posts 35 symmetrical with respect to the first cylindrical block 15 penetrate through the movable plate 13, the bottom of the second guide posts 35 is fixedly connected with the fixed plate 12, and a second guide groove 36 (see fig. 5) for the top of the second guide posts 35 to be inserted in a matching manner is formed in the punch holder 9.
As shown in fig. 4, the movable plate 13 is provided with a first circular hole 16 for the first cylindrical block 15 to be inserted in, a vertical rectangular plate 17 is integrally formed on the inner wall of the first circular hole 16, and the number of the rectangular plate 17 is the same as that of the connecting plates 8 of the special-shaped fixed valve in fig. 1. The side surface of the first cylindrical block 15 is provided with a first slot 18 for the matching insertion of the cuboid plate 17, and the first slot 18 is communicated with the upper surface of the first cylindrical block 15.
As shown in fig. 5, the central axis of the punch 11 is vertical, a second circular hole 19 is formed in the lower surface of the punch 11, the diameter of the second circular hole 19 is the same as that of the first circular hole 16, and the second circular hole 19 is located right above the first circular hole 16. The second round hole 19 is internally provided with a second cylindrical block 20 in a matching manner, the side surface of the second cylindrical block 20 is provided with a second slot 24, the second slot 24 is communicated with the lower surface of the second cylindrical block 20, the number and the size of the second slot 24 are the same as those of the first slot 18, and the second slot 24 is positioned right above the first slot 18. Fixing blocks 25 are fixed to the bottom surface of the punch 11, the number of the fixing blocks 25 is the same as that of the second insertion grooves 24, and a part of the fixing blocks 25 is inserted into the corresponding second insertion grooves 24. The part of the fixing block 25 inserted into the second slot 24 is provided with a downward inclined surface 26, and the inclined surface 26 is positioned at one end of the fixing block 25 close to the center of the punch 11.
As shown in fig. 2, a C-shaped plate 37 is fixed on the top of the punch 11, the opening of the C-shaped plate 37 faces the top plate 21, and a second elastic member 23 and a pressing plate 22 are sequentially arranged from top to bottom in a space enclosed by the C-shaped plate 37 and the top plate 21. The top of the second cylindrical block 20 passes through the C-shaped plate 37 and is fixed on the lower surface of the pressing plate 22, the upper surface of the pressing plate 22 is fixed with the limiting rod 30 which points to the top plate 21 vertically, and the distance between the limiting rod 30 and the top plate 21, i.e. the stroke range of the first cylindrical block 15 pushing the second cylindrical block 20 to move upwards.
As shown in fig. 5, a fixing column 31 penetrates through the second cylindrical block 20 along the central axis direction thereof, and the top of the fixing column 31 passes through the C-shaped plate 37, the pressing plate 22 and the second elastic member 23 in sequence and then is fixedly connected with the top plate 21. A trapezoidal fixed valve forming female die 28 is formed on the bottom surface of the fixed column 31, and the position of the trapezoidal fixed valve forming female die 28 is higher than the bottom surface of the punch 11.
As shown in fig. 4, a trapezoidal standing valve forming punch 27 is formed on the top surface of the first cylindrical block 15, and a trapezoidal standing valve forming die 28 is located directly above the trapezoidal standing valve forming punch 27.
As shown in fig. 4, the edge of the top surface of the first cylindrical block 15 has a chamfer 29, which enables the cut-out edge of the circular standing valve 2 to be bent downward when the first cylindrical block 15 is fitted into the second circular hole 19.
The principle of the stamping die for processing the special-shaped fixed valve is as follows: when the punch 11 is pressed downwards, the second elastic piece 23 presses the second cylindrical block 20 on the top of the first cylindrical block 15, and when the punch 11 is pressed downwards continuously, the first cylindrical block 15 is fixed, so that the second cylindrical block 20 retracts upwards into the second circular hole 19, the first cylindrical block 15 enters into the second circular hole 19, and the second elastic piece 23 is compressed. When the first fixing post 31 pushes the second fixing post 31 to move upward, one part of the fixing block 25 is inserted into the corresponding first slot 18, and the other part presses the movable plate 13 downward, so that the first elastic element 14 is compressed.
When the first cylindrical block 15 enters the second round hole 19, the first cylindrical block and the second cylindrical block shear the tray plate 1 to form a circular fixed valve hole 3, and the tray plate 1 pushed into the second round hole 19 by the first cylindrical block 15 is formed into a circular fixed valve 2;
when the first cylindrical block 15 enters the second round hole 19, the fixing block 25 is inserted into the corresponding first slot 18, so that the tray plate 1 is sheared to form a connecting plate 8 for connecting the circular fixing valve 2 and the tray plate 1;
when the first cylindrical block 15 enters the second round hole 19, the trapezoidal fixed valve forming male die 27 and the trapezoidal fixed valve forming female die 28 are matched in die, so that the trapezoidal fixed valve 4 is punched on the circular fixed valve 2, and the purpose of punching and forming the circular fixed valve 2 and the trapezoidal fixed valve 4 at one time is realized.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an improve mass transfer efficiency's dysmorphism solid valve, includes tray plate (1), its characterized in that: circular fixed valve (2) and circular solid valve hole (3) that correspond circular fixed valve (2) are punched on tray board (1), trapezoidal fixed valve (4) are punched on circular fixed valve (2), and two waists of trapezoidal fixed valve (4) department has otic placode (6).
2. The mass transfer efficiency improving shaped solid valve according to claim 1, wherein: the quantity of the ear plates (6) at the two waist parts of the trapezoidal fixed valve (4) is the same, and the quantity of the ear plates (6) at each waist part is at least two.
3. The mass transfer efficiency improving shaped solid valve according to claim 1, wherein: trapezoidal standing valve (4) include valve body (5), otic placode (6) integrated into one piece in the waist of valve body (5), and valve body (5) are isosceles trapezoid.
4. The mass transfer efficiency improving shaped solid valve according to claim 1, wherein: at least three notches (7) are uniformly punched at intervals at the edge of the circular fixed valve (2), a connecting plate (8) is integrally formed at one end, close to the circle center of the circular fixed valve (2), of each notch (7), and the connecting plate (8) and the tower plate (1) are integrally formed.
5. The mass transfer efficiency improving shaped solid valve according to claim 1, wherein: the edge of the circular fixed valve (2) is bent towards the tray plate (1).
6. A punching die for forming the special-shaped fixed valve of any one of claims 1-5, which comprises a punch seat (9) and a base (10), wherein a punch (11) is arranged at the bottom of the punch seat (9), and the special-shaped fixed valve is characterized in that: the base (10) comprises a fixed plate (12) and a movable plate (13) which are parallel to each other, the movable plate (13) is located between the fixed plate (12) and the punch (11), a first elastic part (14) is arranged between the fixed plate (12) and the movable plate (13), a vertical first cylindrical block (15) is fixed on the upper surface of the fixed plate (12), a first round hole (16) for the first cylindrical block (15) to be inserted in a matched mode is formed in the movable plate (13), a vertical cuboid plate (17) is fixed on the inner wall of the first round hole (16), a first slot (18) for the cuboid plate (17) to be inserted in a matched mode is formed in the side surface of the first cylindrical block (15), and the first slot (18) is communicated with the upper surface of the first cylindrical block (15);
a second round hole (19) is formed in the lower surface of the punch (11), the diameter of the second round hole (19) is the same as that of the first round hole (16), a second cylindrical block (20) is arranged in the second round hole (19) in a matched mode, the punch holder (9) comprises a top plate (21), the position of the top plate (21) is fixed relative to the punch holder (9), a pressing plate (22) is arranged between the top plate (21) and the punch holder (9), a second elastic piece (23) is arranged between the pressing plate (22) and the top plate (21), and the top of the second cylindrical block (20) is connected with the pressing plate (22);
a second slot (24) is formed in the side face of the second cylindrical block (20), the second slot (24) is communicated with the lower surface of the second cylindrical block (20), the second slot (24) is located right above the first slot (18), a fixed block (25) is arranged on the bottom face of the punch seat (9), a part of the fixed block (25) is inserted into the second slot (24), an inclined plane (26) is arranged on the part, inserted into the second slot (24), of the fixed block (25), and the inclined plane (26) faces downwards and is located at one end, close to the circle center of the punch (11), of the fixed block (25);
a fixing column (31) penetrates through the second cylindrical block (20) along the central axis direction of the second cylindrical block, the top of the fixing column (31) penetrates through a pressing plate (22) to be connected with a top plate (21), a trapezoidal fixing valve forming female die (28) is arranged on the bottom surface of the fixing column (31), and a trapezoidal fixing valve forming male die (27) is arranged on the top surface of the first cylindrical block (15).
7. The stamping die of claim 6, wherein: the edge of the top surface of the first cylindrical block (15) is provided with a chamfer (29).
8. The stamping die of claim 6, wherein: and a limiting rod (30) pointing to the top plate (21) is fixed on the upper surface of the pressure plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028686.0A CN111237518A (en) | 2020-01-11 | 2020-01-11 | Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010028686.0A CN111237518A (en) | 2020-01-11 | 2020-01-11 | Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111237518A true CN111237518A (en) | 2020-06-05 |
Family
ID=70874480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010028686.0A Pending CN111237518A (en) | 2020-01-11 | 2020-01-11 | Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111237518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045373A (en) * | 2020-09-18 | 2020-12-08 | 项定洪 | Manufacturing process of environment-friendly butterfly valve body and product thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU747482A1 (en) * | 1976-10-04 | 1980-07-15 | Предприятие П/Я Р-6273 | Mass exchange plate |
| CN1907531A (en) * | 2005-07-29 | 2007-02-07 | 苏舍化学技术有限公司 | Tray valve for a tray column |
| CN201076817Y (en) * | 2007-07-13 | 2008-06-25 | 中国石化工程建设公司 | Standing valve column plate |
| CN201775975U (en) * | 2010-07-13 | 2011-03-30 | 华东理工大学 | Guide fixed valve tray |
| CN104383708A (en) * | 2014-11-26 | 2015-03-04 | 常州互联天健信息科技有限公司 | Differential float valve |
| CN205147063U (en) * | 2015-11-03 | 2016-04-13 | 天津市北方高效石化设备制造有限公司 | Trapezoidal solid valve mould |
| CN106764002A (en) * | 2016-12-10 | 2017-05-31 | 大连福佳·大化石油化工有限公司 | The program control valve actuating mechanism piston connecting shaft strengthening mechanism of adsorption tower and method |
| CN109316771A (en) * | 2018-12-15 | 2019-02-12 | 浙江工业大学 | A kind of novel compositions frozen valve tray |
| US10384147B2 (en) * | 2008-03-20 | 2019-08-20 | Gtc Technology Us Llc | Fluid dispersion unit with directional component vector |
-
2020
- 2020-01-11 CN CN202010028686.0A patent/CN111237518A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU747482A1 (en) * | 1976-10-04 | 1980-07-15 | Предприятие П/Я Р-6273 | Mass exchange plate |
| CN1907531A (en) * | 2005-07-29 | 2007-02-07 | 苏舍化学技术有限公司 | Tray valve for a tray column |
| CN201076817Y (en) * | 2007-07-13 | 2008-06-25 | 中国石化工程建设公司 | Standing valve column plate |
| US10384147B2 (en) * | 2008-03-20 | 2019-08-20 | Gtc Technology Us Llc | Fluid dispersion unit with directional component vector |
| CN201775975U (en) * | 2010-07-13 | 2011-03-30 | 华东理工大学 | Guide fixed valve tray |
| CN104383708A (en) * | 2014-11-26 | 2015-03-04 | 常州互联天健信息科技有限公司 | Differential float valve |
| CN205147063U (en) * | 2015-11-03 | 2016-04-13 | 天津市北方高效石化设备制造有限公司 | Trapezoidal solid valve mould |
| CN106764002A (en) * | 2016-12-10 | 2017-05-31 | 大连福佳·大化石油化工有限公司 | The program control valve actuating mechanism piston connecting shaft strengthening mechanism of adsorption tower and method |
| CN109316771A (en) * | 2018-12-15 | 2019-02-12 | 浙江工业大学 | A kind of novel compositions frozen valve tray |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045373A (en) * | 2020-09-18 | 2020-12-08 | 项定洪 | Manufacturing process of environment-friendly butterfly valve body and product thereof |
| CN112045373B (en) * | 2020-09-18 | 2022-01-04 | 项定洪 | Manufacturing process of environment-friendly butterfly valve body and product thereof |
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Application publication date: 20200605 |