CN219376613U - Absorber for recycling methyl chloroacetate - Google Patents
Absorber for recycling methyl chloroacetate Download PDFInfo
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- CN219376613U CN219376613U CN202222576050.7U CN202222576050U CN219376613U CN 219376613 U CN219376613 U CN 219376613U CN 202222576050 U CN202222576050 U CN 202222576050U CN 219376613 U CN219376613 U CN 219376613U
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Abstract
The utility model discloses an absorber for recycling methyl chloroacetate, and belongs to the field of waste gas treatment. An absorber for recovering methyl chloroacetate comprises a tower body, a rotating component and an adsorption plate, wherein the rotating component and the adsorption plate are arranged in the tower body; a cavity is formed in the tower body, and the upper side and the lower side of the cross section of the cavity are semicircular with the same radius; the rotating component has the capability of rotating around the center of the rotating component; the center of the rotating component coincides with the center of the cavity, and the minimum distance from the outer surface of the rotating component to the inner wall of the cavity is equal; the number of the adsorption plates is multiple, one side of each adsorption plate is detachably connected with the rotary assembly, and the other side, the front side and the rear side of each adsorption plate are respectively connected with the inner wall of the tower body in a fitting manner; the material of the adsorption plate includes activated carbon so that the adsorption plate has adsorption capacity. The method can realize that the activated carbon at each part of the adsorption tower can fully adsorb methyl chloroacetate, and ensure that the water vapor can fully desorb the methyl chloroacetate adsorbed at each part in the adsorption tower.
Description
Technical Field
The utility model belongs to the field of waste gas treatment, and particularly relates to an absorber for recycling methyl chloroacetate.
Background
When the existing method is used for recycling methyl chloroacetate, an adsorption tower is often adopted for adsorption recycling, activated carbon is arranged in the adsorption tower to adsorb methyl chloroacetate, and methyl chloroacetate waste gas is discharged from the upper side of the adsorption tower after entering the adsorption tower from the lower side of the adsorption tower; however, the methyl chloroacetate waste gas is fully contacted with the activated carbon at the lower part of the adsorption tower, and is discharged when not fully contacted with the activated carbon at the upper part of the adsorption tower, so that the utilization rate of the activated carbon at the upper part of the adsorption tower is low;
in addition, when methyl chloroacetate is recovered in a factory, water vapor is often made to flow in from the top of an adsorption tower to desorb the methyl chloroacetate adsorbed by activated carbon; however, because the density of the water vapor is smaller than that of air, the water vapor is often accumulated at the upper part of the adsorption tower after being filled into the adsorption tower from the top of the tower, and little or no water vapor moves to the bottom of the adsorption tower to carry out desorption operation on methyl chloroacetate adsorbed at the bottom of the adsorption tower, so that the desorption of the water vapor on the methyl chloroacetate at the bottom of the adsorption tower is insufficient, and the recovery of the methyl chloroacetate is insufficient;
in view of the above, there is a need for a device that can sufficiently recover methyl chloroacetate because the activated carbon at the lower side of the adsorption column adsorbs more methyl chloroacetate than the methyl chloroacetate at the upper side of the adsorption column, but the desorption effect of water vapor on the upper part of the adsorption column is good, and in this case, the recovery efficiency of methyl chloroacetate by the adsorption column is not high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an absorber for recovering methyl chloroacetate, which can enable active carbon at each part of an adsorption tower to fully adsorb methyl chloroacetate and ensure that water vapor can fully desorb methyl chloroacetate adsorbed at each part in the adsorption tower.
The utility model relates to an absorber for recycling methyl chloroacetate, which comprises a tower body, a rotating assembly and an adsorption plate, wherein the rotating assembly and the adsorption plate are arranged in the tower body;
a cavity is formed in the tower body, and the upper side and the lower side of the cross section of the cavity are semicircular with the same radius;
the rotating assembly is fixedly connected with the tower body and is connected with the output end of the motor so as to enable the rotating assembly to have the capability of rotating around the center of the rotating assembly; the center of the rotating component coincides with the center of the cavity, and the minimum distance from the outer surface of the rotating component to the inner wall of the cavity is equal;
the number of the adsorption plates is multiple, one side of each adsorption plate is detachably connected with the rotary assembly, and the other side, the front side and the rear side of each adsorption plate are respectively connected with the inner wall of the tower body in a fitting manner; the material of the adsorption plate includes activated carbon so that the adsorption plate has adsorption capacity.
As a further improvement of the utility model, the rotating assembly comprises a rotating ring, the rotating ring is in a ring sleeve shape, and the minimum distance from each point on the outer surface of the rotating ring to the inner wall of the tower body is equal; the inner wall of the rotary ring is connected with a driving component, the center of the driving component coincides with the center of the rotary ring, and the driving component is connected with the output end of the motor so that the driving component drives the rotary ring to rotate around the center.
As a further improvement of the utility model, the driving component comprises a gear, the gear is arranged in the tower body, a gear shaft is arranged in the middle of the gear, the gear shaft is fixedly connected with the gear, and the gear shaft is connected with the output end of the motor so that the rotation of the gear shaft drives the gear to rotate in the same direction; the gear is meshed with the inner wall of the rotary ring, so that the rotary ring is meshed with the gear for transmission when the gear rotates.
As a further improvement of the utility model, a connecting piece is arranged on one side of the rotating component far away from the center, the connecting piece is fixedly connected with the rotating component, and the number of the connecting pieces is the same as that of the adsorption plates; the adsorption plate is provided with a connecting groove at one end close to the rotating assembly, and the shape and the size of the connecting groove are consistent with those of the connecting piece; the adsorption plate is detachably connected with the rotating assembly through a connecting piece.
As a further improvement of the utility model, the shape of the connecting piece is T-shaped, and the connecting piece comprises a connector and a fixed column; the fixed column is cylindrical, one end of the fixed column is fixedly connected with the side surface of the rotating assembly, which is far away from the center, and the other end of the fixed column is fixedly connected with the connector; the long axis direction of the connector is parallel to the horizontal line in the front-back direction of the tower body, and the width of the connector in the short axis direction is equal to the diameter length of the fixed column, so that the plane can move up and down on the side surface of the connector and the outer surface of the fixed column.
As a further improvement of the present utility model, the material of the inner wall of the connection groove includes a magnetic material so that the connection groove can be attracted and fixed by the magnet; one side of the connector, which is far away from the fixing part, is fixedly connected with a magnet.
As a further improvement of the utility model, the upper surface of the tower body is provided with a material changing port which is communicated with the inside and the outside of the tower body, and the size of the material changing port is larger than that of the adsorption plate, so that the adsorption plate can be taken out from the material changing port; the cover plate is arranged in the material changing opening, the size of the cover plate is the same as that of the material changing opening, the cover plate and the material changing opening are detachably connected through a lock catch or a locking piece, and when the cover plate is connected with the material changing opening, the cover plate seals the material changing opening.
As a further improvement of the utility model, the lower side of the tower body is connected with an air inlet pipe which is communicated with the inside of the tower body, so that the treated waste gas is transported from the air inlet pipe to the inside of the tower body and moves from bottom to top in the inside of the tower body.
Compared with the prior art, the utility model has the beneficial effects that: by arranging the adsorption plates capable of rotating in the tower body, the adsorption plates at each part of the adsorption tower can move to the lower part of the tower body to be fully contacted with methyl chloroacetate so as to fully adsorb the methyl chloroacetate, and the conditions that the use of the adsorption plates at the upper part of the tower body is insufficient and the utilization rate is too low due to the fact that the methyl chloroacetate is discharged after being insufficiently contacted with the adsorption plates at the upper part of the tower body are avoided;
meanwhile, when the methyl chloroacetate is desorbed by using water vapor, the adsorption plates at each part of the adsorption tower can move to the upper part of the tower body to be fully contacted with the high-temperature water vapor, so that the methyl chloroacetate adsorbed in each adsorption plate can be desorbed, and the condition that the methyl chloroacetate adsorbed at the lower part of the tower body is insufficiently desorbed due to the fact that only a small amount of water vapor moves to the lower part of the tower body in the conventional device is avoided;
along with the rotation of the adsorption plate and the continuous introduction of the methyl chloroacetate waste gas, the rotating adsorption plate stirs the methyl chloroacetate waste gas in the tower body so as to enable the adsorption plate to be fully contacted and absorbed with the methyl chloroacetate waste gas, and simultaneously, the stirring effect has an auxiliary effect on the desorption process of water vapor so as to enable the adsorption and the desorption of the methyl chloroacetate to be more sufficient;
the adsorption plate is detachably connected with the rotating ring, so that the adsorption plate can be directly taken out from the material changing port under the conditions of needing cleaning, adding activated carbon and changing, and the maintenance of the tower body is convenient.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the inside of the tower body of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
FIG. 5 is a schematic view of a suction plate and a connector according to a second embodiment of the present utility model;
FIG. 6 is a schematic view of a suction plate and a connector according to a second embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a connector according to a second embodiment of the present utility model.
The reference numerals in the figures illustrate:
the device comprises a tower body 1, an adsorption plate 11, a connecting piece 111, a 1111 connector 1112, a 1113 magnet, a 12 gear, a 13 rotary ring, a 14 cover plate, a 15 material exchanging opening, an air inlet pipe 2, an exhaust gas outlet 3, a water vapor inlet 4, a collecting channel 5 and a motor 6.
Detailed Description
First embodiment: referring to fig. 1-4, an adsorber for methyl chloroacetate recovery comprises a column 1.
The inside cavity of having seted up of tower body 1, the upper and lower both sides of the cross-section of cavity are the semicircle that the radius is unanimous, air inlet opening has been seted up to the downside of cavity, air outlet opening has been seted up to the downside of cavity to make methyl chloroacetate waste gas get into in the lower part of tower body 1 the upper portion of tower body 1 after accomplishing adsorption and desorption operation.
The middle part of the inner cavity of the tower body 1 is provided with a gear 12, the middle part of the gear 12 is provided with a gear shaft, and the gear shaft is fixedly connected with the gear 12 so that the rotation of the gear shaft drives the gear 12 to rotate in the same direction; the gear shaft is connected with the output of motor 6, and during motor 6 work, motor 6 drives the gear shaft rotation.
One side of the gear 12, which is far away from the gear shaft, is connected with a rotary ring 13, the rotary ring 13 is arranged inside the tower body 1, the rotary ring 13 is in a ring sleeve shape, and the minimum distance from each point on the outer surface of the rotary ring 13 to the inner wall of the tower body 1 is equal; the inner wall of the rotary ring 13 is meshed with the gear 12, so that the outer surface of the rotary ring 13 rotates under the drive of the gear 12, and the outer surface of the rotary ring 13 rotates in the same direction with the gear 12 in the tower body 1; in this embodiment, the rotation of the rotary ring 13 is the same as the rotation of the conveyor belt in the factory, and the inner surface of the rotary ring 13 is meshed with the gear 12.
It should be noted that the number of the gears 12 may be one or a plurality of gears, and the number of the gears 12 may be flexibly adjusted according to factors affecting the size of the gears 12, the size of the rotating ring 13, and the like; however, when the number of the gears 12 is one, the gear shaft of the gears 12 coincides with the center of the inner cavity of the tower body 1; when the number of the gears 12 is larger than one, the gears 12 are in meshed connection, the center points of the gears 12 are meshed with the center of the inner cavity of the tower body 1, so that the center of the rotary ring 13 is always overlapped with the center of the inner cavity of the tower body 1, the distance from each point of the upper surface of the rotary ring 13 to the upper surface of the inner cavity of the tower body 1 is equal, the distance from each point of the lower surface of the rotary ring 13 to the lower bottom surface of the cavity is equal, the distance from each point of the left surface of the rotary ring 13 to the left inner wall of the cavity is equal, and the distance from each point of the right surface of the rotary ring 13 to the right inner wall of the cavity is equal.
The outer wall of the rotary ring 13 is connected with one end of an adsorption plate 11, the left-right width of the adsorption plate 11 is equal to the shortest distance from the outer surface of the rotary ring 13 to the inner wall of the tower body 1, and the front-back width of the adsorption plate 11 is equal to the front-back width of the inner cavity of the tower body 1, so that the side surface of the adsorption plate 11 is in fit connection with the inner wall of the tower body 1, and gas in the tower body 1 can always pass through the adsorption plate 11 when moving from bottom to top in the tower body 1; the number of the adsorption plates 11 is plural; the adsorption plate 11 is detachably connected with the outer wall of the rotary ring 13, so that the adsorption plate 11 can be detached from the rotary ring 13 to facilitate the replacement and washing of the adsorption plate 11; the material of the adsorption plate 11 includes activated carbon so that the adsorption plate 11 has an ability to adsorb methyl chloroacetate.
The lower side of the tower body 1 is connected with an air inlet pipe 2, the air inlet pipe 2 is fixedly connected with an air inlet opening, and the air inlet pipe 2 is communicated with the inside of the tower body 1 through the air inlet opening, so that treated methyl chloroacetate waste gas is transported from the air inlet pipe 2 to the inside of the tower body 1;
the upper side of the tower body 1 is connected with an exhaust gas outlet 3, and the exhaust gas outlet 3 is communicated with the inside of the tower body 1 through an air outlet opening, so that after methyl chloroacetate exhaust gas is adsorbed by the adsorption plate 11 in the tower body 1 to remove methyl chloroacetate components, the exhaust gas is discharged from the exhaust gas outlet 3;
the exhaust gas outlet 3 is provided with a concentration sensor that detects the concentration of methyl chloroacetate in the exhaust gas discharged from the exhaust gas outlet 3; because the principle and the method for detecting the gas concentration of the gas outlet by the sensor are all the prior art, the description is omitted in the application;
the upper side of the tower body 1 is connected with a water vapor inlet 4, the water vapor inlet 4 is communicated with the inside of the tower body 1, so that water vapor prepared from the outside flows into the inside of the tower body 1 from the upper side of the tower body 1 through the water vapor inlet 4, and substances adsorbed on an adsorption plate 11 in the tower body 1 are desorbed;
the upper side of the tower body 1 is connected with a collecting channel 5, the collecting channel 5 is communicated with the inside of the tower body 1, and the collecting channel 5 is used for collecting gas which needs to be recovered after being treated in the tower body 1;
valves are arranged in the air inlet pipe 2, the waste gas outlet 3, the water vapor inlet 4 and the collecting channel 5, and the valves are used for controlling whether the air inlet pipe 2, the waste gas outlet 3, the water vapor inlet 4 and the collecting channel 5 allow the air to pass through or not so as to control the air inlet and the air outlet conditions in the tower body 1 in different reaction stages.
The exhaust gas outlet 3, the steam inlet 4, and the collecting duct 5 are independently provided, and the internal gas flows thereof do not affect each other.
The upper surface of the tower body 1 is provided with a material changing opening 15, the material changing opening 15 is communicated with the inside and the outside of the tower body 1, and the size of the material changing opening 15 is larger than that of the adsorption plate 11, so that the adsorption plate 11 can be taken out from the material changing opening 15;
the cover plate 14 is arranged in the feed inlet 15, the size of the cover plate 14 is the same as that of the feed inlet 15, the cover plate 14 and the feed inlet 15 are detachably connected through a lock catch or a locking piece, and when the cover plate 14 is connected with the feed inlet 15, the cover plate 14 seals the feed inlet 15.
Working principle: methyl chloroacetate waste gas enters the tower body 1 from the gas inlet pipe 2, at the moment, the waste gas outlet 3, the water vapor inlet 4 and the collecting channel 5 are closed, the motor 6 controls the gear 12 to drive the rotary ring 13 to rotate, at the moment, the adsorption plate 11 rotates in the tower body 1, and one end of the rotary ring 13 of the adsorption plate 11 is always attached to the inner wall of the tower body 1, so that the methyl chloroacetate waste gas is always contacted with the adsorption plate 11; with the rotation of the adsorption plate 11 and the continuous introduction of the methyl chloroacetate waste gas, the rotating adsorption plate 11 agitates the methyl chloroacetate waste gas in the tower body 1, so that the adsorption plate 11 is fully contacted with and absorbed by the methyl chloroacetate waste gas;
after a period of reaction, opening an exhaust gas outlet 3, and detecting the concentration of methyl chloroacetate in the exhaust gas discharged from the exhaust gas outlet 3 by a concentration sensor; when the concentration of methyl chloroacetate reaches a certain value, the air inlet pipe 2 is closed, the water vapor inlet 4 is opened, a large amount of water vapor flows in from the water vapor inlet 4, the water vapor desorbs the methyl chloroacetate adsorbed on the adsorption plates 11, and along with the rotation of the adsorption plates 11, the water vapor flowing in from the top end of the tower body 1 desorbs the methyl chloroacetate adsorbed on each adsorption plate 11 to form methyl chloroacetate vapor, after a period of reaction, the water vapor inlet 4 is closed, the collecting channel 5 is opened, and the desorbed methyl chloroacetate vapor is discharged from the collecting channel 5 to the next flow.
Specific embodiment II: on the basis of the first embodiment, referring to fig. 5-7, a connecting groove is formed at one end of the adsorption plate 11, which is close to the rotating ring 13, and the connecting groove is in a T shape; the inner wall of the connecting groove is made of magnetic material, so that the connecting groove can be attracted by the magnet, and the adsorption plate 11 is fixedly connected with the magnet;
the side surface of the rotating ring 13 far away from the gear 12 is provided with a connecting piece 111, the shape and the size of the connecting piece 111 are matched with those of the connecting groove, so that the adsorption plate 11 can be detachably connected with the rotating ring 13 through the connecting piece 111, and the connecting piece 111 comprises a connector 1111 and a fixed column 1112;
the fixed column 1112 is cylindrical, one end of the fixed column 1112 is fixedly connected with the side surface of the rotary ring 13, which is far away from the gear 12, and the other end of the fixed column 1112 is fixedly connected with the connecting head 1111;
the long axis direction of the connector 1111 is parallel to the horizontal line in the front-rear direction of the rotary ring 13, so that when the adsorption plate 11 is connected to the rotary ring 13, the front-rear side surface of the adsorption plate 11 and the side surface of the adsorption plate 11 far from the rotary ring 13 are both in fit connection with the inner wall of the tower body 1; the width of the connection head 1111 in the short axis direction is equal to the diameter length of the fixing post 1112 so that the plane can move up and down on the side of the connection head 1111 and the outer surface of the fixing post 1112;
the magnet 1113 is fixedly connected to the side of the connection head 1111 away from the fixing post 1112, so that the suction plate 11 and the connection member 111 are fixedly connected through the magnet 1113.
Working principle: when the adsorption plate 11 needs to be assembled, the adsorption plate 11 is carried into the tower body 1 through the refueling port 15, and at this time, the upper part of the connecting groove of the adsorption plate 11 is in a vertical state with the connecting head 1111, so that the connecting head 1111 is embedded into the connecting groove, as shown in fig. 6; then, the suction plate 11 is rotated around the axial direction of the fixing column 1112 so that the connection head 1111 is completely attached to the upper portion of the connection groove as shown in fig. 5; at this time, the adsorption plate 11 is fixed to the side of the rotary ring 13 away from the gear 12 by the adsorption of the magnet 1113;
when the suction plate 11 needs to be removed, the suction plate 11 is rotated around the axial direction of the fixing column 1112 until the upper portion of the connecting groove of the suction plate 11 is perpendicular to the connecting head 1111, and at this time, the suction plate 11 can be removed in a direction away from the fixing column 1112 to remove the suction plate 11.
Claims (8)
1. An adsorber for methyl chloroacetate recovery, characterized in that: comprises a tower body (1), a rotating component and an adsorption plate (11) which are arranged in the tower body (1);
a cavity is formed in the tower body (1), and the upper side and the lower side of the cross section of the cavity are semicircular with the same radius;
the rotating assembly is fixedly connected with the tower body (1), and is connected with the output end of the motor (6) so as to enable the rotating assembly to have the capability of rotating around the center of the rotating assembly; the center of the rotating component coincides with the center of the cavity, and the minimum distance from the outer surface of the rotating component to the inner wall of the cavity is equal;
the number of the adsorption plates (11) is multiple, one side of each adsorption plate (11) is detachably connected with the rotary assembly, and the other side, the front side and the rear side of each adsorption plate (11) are respectively connected with the inner wall of the tower body (1) in a fitting manner; the material of the adsorption plate (11) includes activated carbon so that the adsorption plate (11) has adsorption capacity.
2. An adsorber for recovery of methyl chloroacetate as claimed in claim 1, wherein: the rotating assembly comprises a rotating ring (13), the rotating ring (13) is in a ring sleeve shape, and the minimum distance from each point on the outer surface of the rotating ring (13) to the inner wall of the tower body (1) is equal; the inner wall of the rotary ring (13) is connected with a driving component, the center of the driving component coincides with the center of the rotary ring (13), and the driving component is connected with the output end of the motor (6) so that the driving component drives the rotary ring (13) to rotate around the center.
3. An adsorber for recovery of methyl chloroacetate as claimed in claim 2, wherein: the driving assembly comprises a gear (12), the gear (12) is arranged in the tower body (1), a gear shaft is arranged in the middle of the gear (12), the gear shaft is fixedly connected with the gear (12), and the gear shaft is connected with the output end of the motor (6) so that the rotation of the gear shaft drives the gear (12) to rotate in the same direction; the gear (12) is meshed with the inner wall of the rotary ring (13), so that the rotary ring (13) is meshed with the gear (12) for transmission when the gear (12) rotates.
4. An adsorber for recovery of methyl chloroacetate as claimed in claim 1, wherein: the side, far away from the center, of the rotating assembly is provided with connecting pieces (111), the connecting pieces (111) are fixedly connected with the rotating assembly, and the number of the connecting pieces (111) is the same as that of the adsorption plates (11); the adsorption plate (11) is provided with a connecting groove at one end close to the rotating assembly, and the shape and the size of the connecting groove are consistent with those of the connecting piece (111); the adsorption plate (11) is detachably connected with the rotating assembly through a connecting piece (111).
5. An adsorber for methyl chloroacetate recovery as claimed in claim 4, wherein: the shape of the connecting piece (111) is T-shaped, and the connecting piece (111) comprises a connecting head (1111) and a fixed column (1112); the fixed column (1112) is cylindrical, one end of the fixed column (1112) is fixedly connected with the side surface of the rotating assembly, which is far away from the center, and the other end of the fixed column (1112) is fixedly connected with the connector (1111); the long axis direction of the connecting head (1111) is parallel to the horizontal line in the front-rear direction of the tower body (1), and the width of the connecting head (1111) in the short axis direction is equal to the diameter length of the fixing column (1112), so that the plane can move up and down on the side surface of the connecting head (1111) and the outer surface of the fixing column (1112).
6. An adsorber for methyl chloroacetate recovery as claimed in claim 4, wherein: the material of the inner wall of the connecting groove comprises magnetic material, so that the connecting groove can be attracted and fixed by the magnet; one side of the connector (1111) far away from the fixed column (1112) is fixedly connected with a magnet (1113).
7. An adsorber for recovery of methyl chloroacetate as claimed in claim 1, wherein: the upper surface of the tower body (1) is provided with a material changing opening (15), the material changing opening (15) is communicated with the inside and the outside of the tower body (1), and the size of the material changing opening (15) is larger than that of the adsorption plate (11), so that the adsorption plate (11) can be taken out from the material changing opening (15); the cover plate (14) is arranged in the material changing opening (15), the size of the cover plate (14) is the same as that of the material changing opening (15), the cover plate (14) and the material changing opening (15) are detachably connected through a lock catch or a locking piece, and when the cover plate (14) is connected with the material changing opening (15), the cover plate (14) closes the material changing opening (15).
8. An adsorber for recovery of methyl chloroacetate as claimed in claim 1, wherein: the air inlet pipe (2) is connected to the lower side of the tower body (1), and the air inlet pipe (2) is communicated with the inside of the tower body (1) so that the treated waste gas is transported from the air inlet pipe (2) to the inside of the tower body (1) and moves from bottom to top in the tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576050.7U CN219376613U (en) | 2022-09-28 | 2022-09-28 | Absorber for recycling methyl chloroacetate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576050.7U CN219376613U (en) | 2022-09-28 | 2022-09-28 | Absorber for recycling methyl chloroacetate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219376613U true CN219376613U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222576050.7U Active CN219376613U (en) | 2022-09-28 | 2022-09-28 | Absorber for recycling methyl chloroacetate |
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| Country | Link |
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| CN (1) | CN219376613U (en) |
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2022
- 2022-09-28 CN CN202222576050.7U patent/CN219376613U/en active Active
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