CN215890839U - Combined flange convenient to disassemble - Google Patents
Combined flange convenient to disassemble Download PDFInfo
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- CN215890839U CN215890839U CN202122246348.7U CN202122246348U CN215890839U CN 215890839 U CN215890839 U CN 215890839U CN 202122246348 U CN202122246348 U CN 202122246348U CN 215890839 U CN215890839 U CN 215890839U
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Abstract
The utility model provides a combined flange convenient to disassemble. Convenient to detach's combination formula flange includes: a first flange; a second flange disposed on top of the first flange; the four first through grooves are formed in the top of the first flange; the two corresponding mounting grooves are respectively formed in the outer wall of one side, far away from each other, of each corresponding two first through grooves; the four second through grooves are formed in the bottom of the second flange; four fixed blocks, four the fixed block slides respectively and sets up four the second leads to on the inner wall of groove, and four the bottom of fixed block extends to four respectively first logical inslot and all with corresponding first logical groove looks adaptation. The combined flange convenient to disassemble provided by the utility model has the advantages of convenience in use and simplicity in operation.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a combined flange convenient to disassemble.
Background
A flange, also known as a flange collar or flange. The flange is a part for connecting pipes and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flanges are generally used in pairs, and the connection between the two flanges is usually fixed by bolts or welding.
However, although the two flanges are firmly fixed by bolts and welding, it is troublesome to detach the two flanges, which is inconvenient for an operator to detach the assembled flanges and is very inconvenient for use.
Therefore, it is necessary to provide a combined flange which is easy to disassemble and solves the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a convenient-to-disassemble combined flange which is convenient to use and simple to operate.
In order to solve the above technical problems, the present invention provides a conveniently detachable combined flange, comprising: a first flange; a second flange disposed on top of the first flange; the four first through grooves are formed in the top of the first flange; the two corresponding mounting grooves are respectively formed in the outer wall of one side, far away from each other, of each corresponding two first through grooves; the four second through grooves are formed in the bottom of the second flange; the four fixing blocks are respectively arranged on the inner walls of the four second through grooves in a sliding mode, and the bottom ends of the four fixing blocks respectively extend into the four first through grooves and are matched with the corresponding first through grooves; the four slots are respectively arranged on the outer walls of the four fixed blocks; the four mounting rods are fixedly mounted on the inner walls of the two sides of the four mounting grooves respectively; the four insertion blocks are respectively installed on the four installation rods in a sliding mode, and one ends, close to each other, of the two corresponding insertion blocks extend into the corresponding slots and are matched with the corresponding slots; the four first springs are respectively sleeved on the four mounting rods, the ends, close to each other, of the two first springs are respectively arranged on the two insertion blocks, and the ends, far away from each other, of the two corresponding first springs are respectively fixedly connected with the inner wall of the side, far away from each other, of the two corresponding mounting grooves; and the two pushing mechanisms are arranged on the second flange.
Preferably, the pushing mechanism includes a rotating groove, a bidirectional lead screw, two moving blocks and two abutting blocks, the rotating groove is formed in the second flange, the bidirectional lead screw is rotatably installed on the inner wall of the rotating groove, the two moving blocks are all installed on the bidirectional lead screw in a threaded manner, one ends of the two moving blocks, which are far away from each other, extend into the corresponding second through grooves, and the two abutting blocks are respectively and fixedly installed on the outer wall of one side, which is far away from each other, of the two moving blocks.
Preferably, corresponding two equal fixed mounting has a mounting panel, four on the mutual one side outer wall of keeping away from of inserted block all seted up the slide opening on the mounting panel, four the installation pole runs through four respectively the slide opening all with corresponding the inner wall sliding connection of slide opening, and corresponding two the one end that first spring is close to each other respectively with corresponding two one side outer wall fixed connection of mounting panel, four equal fixed mounting has the pulling pole, four on the outer wall of one side of mounting panel the one end of pulling pole all extends to outside the first flange.
Preferably, four equal fixed mounting has the slide bar, four on the inner wall that the groove was led to the second equal slidable mounting has the connecting block, four on the slide bar the connecting block respectively with four fixed block fixed connection, four all overlap on the slide bar and be equipped with the second spring, four the top of second spring respectively with four the groove is led to the second top inner wall fixed connection, four the bottom of second spring respectively with four the top fixed connection of connecting block.
Preferably, two the top in rotation groove all rotates and installs the pivot, two the equal fixed mounting in bottom of pivot has first umbrella tooth, two all fixed cover is equipped with the second umbrella tooth on the two-way lead screw, corresponding first umbrella tooth and corresponding the meshing of second umbrella tooth mutually.
Preferably, four draw-in grooves have all been seted up on the pulling rod, equal fixed mounting has two mounting brackets, four on the both sides outer wall of first flange all rotate on the mounting bracket and install a screw thread section of thick bamboo, four equal threaded mounting has the screw rod, four in the screw thread section of thick bamboo the bottom of screw rod all extends to corresponding the below of a screw thread section of thick bamboo, four the equal fixed mounting in bottom of screw rod has the fixture block, four the fixture block extends to four respectively in the draw-in groove and all with corresponding draw-in groove looks adaptation.
Preferably, four all rotate on the mounting bracket and install the transmission shaft, corresponding two equal fixed mounting third bevel gear, four on the one end that the transmission shaft is close to each other all the fixed cover is equipped with the fourth bevel gear on the screw thread section of thick bamboo, corresponding the third bevel gear all with corresponding the fourth bevel gear meshes mutually.
Preferably, two limiting grooves and four limiting blocks are arranged on the outer walls of the two sides of the first flange, and the limiting grooves are internally provided with the limiting blocks in a sliding mode, and the limiting blocks are fixedly connected with the four screw rods respectively.
Compared with the related art, the combined flange convenient to disassemble provided by the utility model has the following beneficial effects:
the utility model provides a combined flange convenient to disassemble, when in use, two moving blocks can be driven to be away from each other through the rotation of a bidirectional screw rod through the arranged bidirectional screw rod, moving blocks and abutting blocks so as to send the two abutting blocks into two second through grooves, so that a fixing block in the second through groove can be extended into the first through groove to fix a first flange and a second flange, thereby being convenient for people to fix the combined flange, and in transportation, the fixing block is accommodated in the second through groove so as to be convenient for people to stack the second flange for transportation, and when in disassembly, the two pulling rods can be respectively pulled to enable the fixing block to be retracted into the second through groove, and then the second flange is taken down from the first flange, thereby four pulling rods are not needed to be pulled simultaneously, and the second flange is taken down while the pulling rods are pulled, thereby being convenient for people to disassemble, and the first spring, the slide bar and the second spring that set up can make the inserted block break away from the slot through the pulling pole for the second spring that is stretched can drive the fixed block through the elasticity reset action of self and receive back the second automatically and lead to the inslot, thereby can make things convenient for people to unpack apart between first flange and the second flange, so that, just so can make the comparatively simple convenient of whole dismouting work.
Drawings
FIG. 1 is a schematic front view of a first embodiment of a modular flange for ease of disassembly according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion B shown in FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 1;
FIG. 5 is a schematic front view of a second embodiment of a readily removable modular flange according to the present invention;
FIG. 6 is an enlarged schematic view of portion C shown in FIG. 5;
fig. 7 is an enlarged schematic view of a portion D shown in fig. 6.
Reference numbers in the figures: 1. a first flange; 2. a second flange; 3. a first through groove; 4. mounting grooves; 5. a second through groove; 6. a fixed block; 7. a slot; 8. mounting a rod; 9. inserting a block; 10. a first spring; 11. a slide bar; 12. a second spring; 13. a rotating groove; 14. a bidirectional screw rod; 15. a moving block; 16. a resisting block; 17. a rotating shaft; 18. a first bevel gear; 19. a second bevel gear; 20. a card slot; 21. a mounting frame; 22. a threaded barrel; 23. a screw; 24. a clamping block; 25. a drive shaft; 26. a third bevel gear; 27. and a fourth bevel gear.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1-4, in a first embodiment of the present invention, a detachable flange assembly includes: a first flange 1; a second flange 2, the second flange 2 being arranged on top of the first flange 1; the four first through grooves 3 are formed in the top of the first flange 1; the two corresponding mounting grooves 4 are respectively formed in the outer wall of one side, away from each other, of the two corresponding first through grooves 3; the four second through grooves 5 are formed in the bottom of the second flange 2; the four fixing blocks 6 are respectively arranged on the inner walls of the four second through grooves 5 in a sliding manner, the bottom ends of the four fixing blocks 6 respectively extend into the four first through grooves 3 and are matched with the corresponding first through grooves 3, the fixing blocks 6 are arranged to be cylinders, and the top ends of the fixing blocks 6 are arranged to be inclined planes; the four slots 7 are respectively arranged on the outer walls of the four fixing blocks 6; the four mounting rods 8 are respectively fixedly mounted on the inner walls of the two sides of the four mounting grooves 4; the four insertion blocks 9 are respectively slidably mounted on the four mounting rods 8, one ends, close to each other, of the two corresponding insertion blocks 9 extend into the corresponding slots 7 and are matched with the corresponding slots 7, the insertion blocks 9 are also arranged to be cylindrical, and the insertion blocks 9 can retract into the mounting grooves 4 through the sliding action of the cylindrical members to fix the fixing blocks 6; the four first springs 10 are respectively sleeved on the four mounting rods 8, one ends, close to each other, of the two first springs 10 are respectively arranged on the two insertion blocks 9, one ends, far away from each other, of the two corresponding first springs 10 are respectively fixedly connected with the inner wall of one side, far away from each other, of the two corresponding mounting grooves 4, the first springs 10 can drive the insertion blocks 9 to automatically spring into the slots 7, and people can conveniently fix the first flange 1 and the second flange 2; two pushing mechanisms, two pushing mechanisms all set up on the second flange 2.
The pushing mechanism comprises a rotating groove 13, a bidirectional screw rod 14, two moving blocks 15 and two abutting blocks 16, the rotating groove 13 is formed in the second flange 2, the bidirectional screw rod 14 is rotatably installed on the inner wall of the rotating groove 13, the bidirectional screw rod 14 is rotatably connected with the inner wall of the rotating groove 13 through two bearings, the two moving blocks 15 are installed on the bidirectional screw rod 14 in a threaded mode, one ends, far away from each other, of the two moving blocks 15 extend into the corresponding second through grooves 5, the two abutting blocks 16 are fixedly installed on the outer wall, far away from each other, of one side of each moving block 15 respectively, inclined planes matched with the fixed blocks 6 are arranged on the two abutting blocks 16, and the fixed blocks 6 can be abutted to move downwards.
Corresponding two equal fixed mounting has a mounting panel, four on the mutual one side outer wall of keeping away from of inserted block 9 the slide opening has all been seted up on the mounting panel, four installation pole 8 runs through four respectively the slide opening all with corresponding the inner wall sliding connection of slide opening, and corresponding two the one end that first spring 10 is close to each other respectively with corresponding two one side outer wall fixed connection of mounting panel, four equal fixed mounting has the pulling pole, four on the outer wall of one side of mounting panel the one end of pulling pole all extends to outside the first flange 1, comes to install first spring 10 and pulling pole through setting up the mounting panel to can make inserted block 9 break away from slot 7 through the pulling pole, come to pull second flange 2 from first flange 1 with this and pull down.
Four equal fixed mounting has slide bar 11, four on the inner wall that the groove 5 was led to the second equal slidable mounting has connecting block, four on the slide bar 11 the connecting block respectively with four 6 fixed connection of fixed block, four all the cover is equipped with second spring 12, four on the slide bar 11 the top of second spring 12 respectively with four the top inner wall fixed connection that the groove 5 was led to the second, four the bottom of second spring 12 respectively with four the top fixed connection of connecting block comes to break away from slot 7 after the inserted block 9 through setting up slide bar 11 and second spring 12, can drive the fixed block 6 automation through the spring action of second spring 12 and withdraw in the second through-groove 5.
Two the top of rotating groove 13 is all rotated and is installed pivot 17, and pivot 17 passes through the bearing and is connected with the inner wall rotation that rotates groove 13, and the top of pivot 17 is provided with the twisting disk and makes things convenient for people to twist and move pivot 17, two the equal fixed mounting in bottom of pivot 17 has first bevel gear 18, two it is equipped with second bevel gear 19, corresponding all to fix the cover on the two-way lead screw 14 first bevel gear 18 and corresponding second bevel gear 19 meshes mutually, turns to through setting up first bevel gear 18 and second bevel gear 19, makes things convenient for people to rotate two-way lead screw 14.
The working principle of the combined flange convenient to disassemble provided by the utility model is as follows:
when the first flange 1 and the second flange 2 are combined, the second flange 2 is firstly stacked on the top of the first flange 1, then the screwing disc on the rotating shaft 17 is screwed, so that the rotating shaft 17 rotates to drive the first bevel gear 18 to rotate, and further the bidirectional screw rod 14 can be driven to rotate through the meshing action between the first bevel gear 18 and the second bevel gear 19, so that the bidirectional screw rod 14 can drive the moving block 15 to move through the thread action in the rotating process, so that the abutting block 16 on the moving block 15 can be driven to move towards the second through groove 5, and the fixed block 6 is pressed to slide downwards and stretch the second spring 12 in the moving process, so that the bottom end of the fixed block 6 moves into the first through groove 3, and in the moving process, because the fixed block 6 and the insert block 9 are both arranged into cylinders, the insert block 9 can be abutted in the process that the fixed block 6 extends into the first through groove 3, the inserting block 9 moves into the mounting groove 4 and compresses the first spring 10, after the fixed block 6 moves to the maximum position, the slot 7 on the fixed block 6 is opposite to the inserting block 9, the inserting block 9 extends into the slot 7 under the elastic force reset action of the first spring 10 to fix the first flange 1 and the second flange 2, when the first flange 1 and the second flange 2 need to be disassembled, the rotating shaft 17 is reversely twisted, the abutting block 16 is separated from the second through groove 5 according to the separation, then the two corresponding pulling rods are pulled to separate the inserting block 9 from the slot 7, the stretched second spring 12 is reset, the fixed block 6 can be retracted into the second through groove 5 through the elastic force of the second spring 12, then the fixed block 6 can be retracted into the second through groove 5 according to the principle after the other two pulling rods are pulled, and thus the fixation between the first flange 1 and the second flange 2 can be released, the second flange 2 can then be removed directly from the first flange 1.
Compared with the related art, the combined flange convenient to disassemble provided by the utility model has the following beneficial effects:
when the two-way flange fixing device is used, the two moving blocks 15 can be driven to be away from each other through the rotation of the two-way screw rod 14 to send the two abutting blocks 16 into the two second through grooves 5 through the rotation of the two-way screw rod 14, the moving block 15 and the abutting block 16, so that the fixing block 6 in the second through groove 5 can be extended into the first through groove 3 to fix the first flange 1 and the second flange 2, so that people can fix the combined flange conveniently, in addition, in the transportation process, the fixing block 6 is accommodated in the second through groove 5, people can conveniently stack the second flange 2 for transportation, in addition, when the flange fixing device is disassembled, the two pulling rods can be respectively pulled to enable the fixing block 6 to be retracted into the second through groove 5, then, the second flange 2 is disassembled from the first flange 1, so that four pulling rods are not needed to be pulled simultaneously, and the second flange 2 is disassembled at the same time when the pulling rods, so that the disassembly work of people can be facilitated, and the first spring 10, the slide bar 11 and the second spring 12 that set up can make the inserted block 9 break away from slot 7 through the pulling pole for by tensile second spring 12 can drive in the second through-groove 5 of 6 automatic receipts of fixed block of self elasticity reset action, thereby can make things convenient for people to unpack apart between first flange 1 and the second flange 2, so that, just so can make the comparatively simple convenient of whole dismouting work.
Second embodiment:
based on the easy-to-detach combined flange provided by the first embodiment of the application, the second embodiment of the application provides another easy-to-detach combined flange. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5-7, the detachable flange assembly further includes: four draw-in groove 20 has all been seted up on the pulling rod, equal fixed mounting has two mounting brackets 21, four on the both sides outer wall of first flange 1 all rotate on the mounting bracket 21 and install a screw thread section of thick bamboo 22, and a screw thread section of thick bamboo 22 rotates between two bearings and the mounting bracket 21 to be connected, four screw rod 23, four are installed to equal screw thread in the screw thread section of thick bamboo 22 the bottom of screw rod 23 all extends to corresponding the below of a screw thread section of thick bamboo 22, four the equal fixed mounting in bottom of screw rod 23 has fixture block 24, four fixture block 24 extends to four respectively in the draw-in groove 20 and all with corresponding draw-in groove 20 looks adaptation.
Four all rotate on the mounting bracket 21 and install transmission shaft 25, transmission shaft 25 passes through the bearing and rotates with mounting bracket 21 to be connected, corresponding two equal fixed mounting third umbrella tooth 26, four on the one end that transmission shaft 25 is close to each other all fixed cover is equipped with fourth umbrella tooth 27 on the screw thread section of thick bamboo 22, corresponding third umbrella tooth 26 all with corresponding fourth umbrella tooth 27 meshes mutually, can turn to the transmission through setting up third umbrella tooth 26 and fourth umbrella tooth 27, makes things convenient for people's use.
Two spacing grooves, four have all been seted up on the both sides outer wall of first flange 1 the equal slidable mounting in spacing groove has a stopper, four the stopper respectively with four screw 23 fixed connection comes to carry on spacingly to screw 23 through setting up spacing groove and stopper, prevents that screw 23 from following screw thread section of thick bamboo 22 and rotating and can't stretch out screw thread section of thick bamboo 22.
In order to prevent that the pulling rod from moving by mistake and causing the inserted block 9 to break away from the slot 7 and cause the fixed insecure between first flange 1 and the second flange 2, can twist and move the transmission shaft 25, the transmission shaft 25 rotates and just can drive the rotation of third bevel gear 26, thereby it drives the rotation of a thread section of thick bamboo 22 to pass through the meshing effect between third bevel gear 26 and the fourth bevel gear 27, thereby can drive the screw rod 23 and stretch out outside a thread section of thick bamboo 22, thereby can drive the fixture block 24 of screw rod 23 bottom and stretch into in the draw-in groove 20 on the pulling rod, thereby can fix the pulling rod, and then can prevent the pulling rod from moving by mistake and cause fixed insecure.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A conveniently detachable modular flange comprising:
a first flange;
a second flange disposed on top of the first flange;
the four first through grooves are formed in the top of the first flange;
the two corresponding mounting grooves are respectively formed in the outer wall of one side, far away from each other, of each corresponding two first through grooves;
the four second through grooves are formed in the bottom of the second flange;
the four fixing blocks are respectively arranged on the inner walls of the four second through grooves in a sliding mode, and the bottom ends of the four fixing blocks respectively extend into the four first through grooves and are matched with the corresponding first through grooves;
the four slots are respectively arranged on the outer walls of the four fixed blocks;
the four mounting rods are fixedly mounted on the inner walls of the two sides of the four mounting grooves respectively;
the four insertion blocks are respectively installed on the four installation rods in a sliding mode, and one ends, close to each other, of the two corresponding insertion blocks extend into the corresponding slots and are matched with the corresponding slots;
the four first springs are respectively sleeved on the four mounting rods, the ends, close to each other, of the two first springs are respectively arranged on the two insertion blocks, and the ends, far away from each other, of the two corresponding first springs are respectively fixedly connected with the inner wall of the side, far away from each other, of the two corresponding mounting grooves;
and the two pushing mechanisms are arranged on the second flange.
2. The easy-to-disassemble combined flange according to claim 1, wherein the pushing mechanism includes a rotating groove, a bidirectional lead screw, two moving blocks and two abutting blocks, the rotating groove is formed in the second flange, the bidirectional lead screw is rotatably mounted on an inner wall of the rotating groove, the two moving blocks are both threadedly mounted on the bidirectional lead screw, one ends of the two moving blocks, which are far away from each other, extend into the corresponding second through grooves, and the two abutting blocks are respectively and fixedly mounted on an outer wall of one side, which is far away from each other, of the two moving blocks.
3. The easy-to-dismount combined flange as claimed in claim 1, wherein mounting plates are fixedly mounted on outer walls of one side of the two corresponding insertion blocks, which are far away from each other, sliding holes are formed in the four mounting plates, the four mounting rods respectively penetrate through the four sliding holes and are slidably connected with inner walls of the corresponding sliding holes, ends, close to each other, of the two corresponding first springs are fixedly connected with outer walls of one side of the two corresponding mounting plates, pulling rods are fixedly mounted on outer walls of one side of the four mounting plates, and one ends of the four pulling rods extend out of the first flange.
4. The easy-to-dismount combined flange according to claim 1, wherein sliding rods are fixedly mounted on inner walls of the four second through grooves, connecting blocks are slidably mounted on the four sliding rods, the four connecting blocks are fixedly connected with the four fixing blocks, second springs are sleeved on the four sliding rods, top ends of the four second springs are fixedly connected with inner walls of top portions of the four second through grooves, and bottom ends of the four second springs are fixedly connected with top portions of the four connecting blocks.
5. The easy-to-disassemble combined flange according to claim 2, wherein the top of each of the two rotating grooves is rotatably provided with a rotating shaft, the bottom ends of the two rotating shafts are fixedly provided with first bevel gears, each of the two bidirectional screws is fixedly sleeved with a second bevel gear, and the corresponding first bevel gear is meshed with the corresponding second bevel gear.
6. The convenient-to-dismount combined flange according to claim 3, wherein four pulling rods are all provided with clamping grooves, two mounting frames are fixedly mounted on outer walls of two sides of the first flange, four mounting frames are rotatably mounted with threaded cylinders, four threaded cylinders are internally and threadedly mounted with threaded rods, four bottom ends of the threaded rods extend to the lower portions of the corresponding threaded cylinders, four bottom ends of the threaded rods are fixedly mounted with clamping blocks, and the four clamping blocks extend into the four clamping grooves respectively and are matched with the corresponding clamping grooves.
7. The easy-to-dismount combined flange according to claim 6, wherein the four mounting frames are rotatably mounted with transmission shafts, the two corresponding transmission shafts are fixedly mounted with third bevel gears at the end close to each other, the four threaded cylinders are fixedly sleeved with fourth bevel gears, and the corresponding third bevel gears are engaged with the corresponding fourth bevel gears.
8. The easy-to-dismount combined flange according to claim 6, wherein two limiting grooves are formed on the outer walls of the two sides of the first flange, limiting blocks are slidably mounted in the four limiting grooves, and the four limiting blocks are respectively and fixedly connected with the four screw rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246348.7U CN215890839U (en) | 2021-09-16 | 2021-09-16 | Combined flange convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246348.7U CN215890839U (en) | 2021-09-16 | 2021-09-16 | Combined flange convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890839U true CN215890839U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122246348.7U Active CN215890839U (en) | 2021-09-16 | 2021-09-16 | Combined flange convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215890839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797430A (en) * | 2022-06-28 | 2022-07-29 | 华能太原东山燃机热电有限责任公司 | Device for eliminating yellow smoke emitted from chimney at initial starting stage of combustion engine |
-
2021
- 2021-09-16 CN CN202122246348.7U patent/CN215890839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797430A (en) * | 2022-06-28 | 2022-07-29 | 华能太原东山燃机热电有限责任公司 | Device for eliminating yellow smoke emitted from chimney at initial starting stage of combustion engine |
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