CN213321866U - Cellulose filter-pressing jar - Google Patents
Cellulose filter-pressing jar Download PDFInfo
- Publication number
- CN213321866U CN213321866U CN202021244095.9U CN202021244095U CN213321866U CN 213321866 U CN213321866 U CN 213321866U CN 202021244095 U CN202021244095 U CN 202021244095U CN 213321866 U CN213321866 U CN 213321866U
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- Prior art keywords
- tank body
- communicated
- pipe
- upper tank
- cellulose
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- 229920002678 cellulose Polymers 0.000 title claims abstract description 61
- 239000001913 cellulose Substances 0.000 title claims abstract description 61
- 238000003825 pressing Methods 0.000 title claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims description 16
- 238000005276 aerator Methods 0.000 claims description 13
- 238000011085 pressure filtration Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000000621 bronchi Anatomy 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The utility model relates to the technical field of cellulose manufacture, in particular to a cellulose filter-pressing tank, which stirs and loosens cellulose to ensure that steam fully contacts and filters the cellulose, thereby improving the filter-pressing effect and the practicability; the device comprises a base, an upper tank body, a lower tank body, a support frame, a support leg assembly, a filter screen, a feeding pipe, a drain pipe and an air inlet pipe, wherein the bottom end of the upper tank body is communicated with an upper flange; still include motor, transmission shaft and multiunit stirring rod, the output of motor is provided with the transmission shaft, and inside the transmission shaft extended to the cavity of the upper tank body, be provided with the multiunit stirring rod on the transmission shaft of the internal portion of upper tank, all be provided with the stirring hammer on the multiunit stirring rod.
Description
Technical Field
The utility model relates to a technical field of cellulose preparation especially relates to a cellulose filter-press jar.
Background
The cellulose filter-pressing tank is an auxiliary device for cellulose production and filtration, and is widely used in the field of cellulose production; the existing cellulose pressure filtration tank comprises a base, an upper tank body, a lower tank body, a support frame, a filter screen, a feeding pipe, a water discharging pipe and an air inlet pipe, wherein a cavity with an opening at the lower end is arranged in the upper tank body, an upper flange is communicated with the bottom end of the upper tank body, an inner cavity with an opening at the upper end is arranged in the lower tank body, a lower flange is communicated with the top end of the lower tank body, the upper flange of the upper tank body is connected with the lower flange of the lower tank body through a bolt, so that a closed working cavity is formed in the upper tank body and the lower tank body together, the bottom end of the support frame is connected with the top end of the base, the upper end of the support frame is connected with the outer wall of the upper tank body, a support leg assembly is arranged at the top end of the base to support the lower tank body, the filter screen, the feeding pipe is communicated with a feeding valve, the bottom end of the lower tank body is provided with a discharge hole, the discharge hole is communicated with the inner cavity of the lower tank body, the input end of the drain pipe is communicated with the discharge hole of the lower tank body, the drain pipe is communicated with a drain valve, the side wall of the upper tank body is provided with an air inlet, the air inlet is communicated with the cavity of the upper tank body, the air inlet pipe is communicated with the air inlet, and the output end of the air inlet pipe extends into the cavity of the upper tank body; when the existing cellulose pressure filtration tank is used, firstly, an upper flange of an upper tank body is connected with a lower flange of a lower tank body through a bolt, the input end of an air inlet pipe is communicated with a steam pipeline, then cellulose is put into a cavity of the upper tank body through an inlet pipe, the cellulose falls on a filter screen, a feed valve is closed, then steam is conveyed into a working cavity through the air inlet pipe, the steam pressurizes the cellulose, then, the filtration is started, separated water flows to the bottom of an inner cavity of the lower tank body, a drain valve is opened, the water is discharged through a drain pipe, connecting bolts at the upper flange and the lower flange are opened after the pressure filtration is completed, the lower tank body is separated from the upper tank body, and the cellulose after the pressure filtration on the filter screen is cleaned; the existing cellulose filter-pressing tank is found to have poor practicability due to the fact that cellulose is piled on a filter screen, filter pressing is not uniform, and the filter pressing effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cellulose filter-pressing jar with the cellulose stirring is loose, makes steam fully contact the filter-pressing to the cellulose, has improved the filter-pressing effect, improves the practicality.
The utility model discloses a cellulose filter-pressing tank, which comprises a base, an upper tank body, a lower tank body, a support frame, a filter screen, a feeding pipe, a drainage pipe and an air inlet pipe, wherein the upper tank body is internally provided with a cavity with an open lower end, the bottom end of the upper tank body is communicated and provided with an upper flange, the lower tank body is internally provided with an inner cavity with an open upper end, the top end of the lower tank body is communicated and provided with a lower flange, the upper flange of the upper tank body is connected with the lower flange of the lower tank body through a bolt, so that an airtight working cavity is formed inside the upper tank body and the lower flange, the bottom end of the support frame is connected with the top end of the base, the upper end of the support frame is connected with the outer wall of the upper tank body, the top end of the base is provided with a support leg component for supporting the lower tank body, the filter screen, the feeding pipe is communicated with a feeding valve, the bottom end of the lower tank body is provided with a discharge hole, the discharge hole is communicated with the inner cavity of the lower tank body, the input end of the drain pipe is communicated with the discharge hole of the lower tank body, the drain pipe is communicated with a drain valve, the side wall of the upper tank body is provided with an air inlet, the air inlet is communicated with the cavity of the upper tank body, the air inlet pipe is communicated with the air inlet, and the output end of the air inlet pipe extends into the cavity of the upper tank body; still include motor, transmission shaft and multiunit stirring rod, the bottom of motor is connected with the top of the last jar of body, and the output of motor is provided with the transmission shaft, and inside the transmission shaft extended to the cavity of the last jar of body, the transmission shaft of the internal portion of last jar was provided with the multiunit stirring rod, all was provided with the stirring hammer on the multiunit stirring rod.
The utility model discloses a cellulose filter-pressing jar, supporting leg subassembly comprise pneumatic cylinder, connecting seat and connecting axle, and the base of pneumatic cylinder is connected with the top of base, and the telescopic joint top of pneumatic cylinder is connected with the bottom of connecting seat, and the side of connecting seat is rotated with the one end of connecting axle and is connected, the other end of connecting axle and the outer wall connection of the lower jar of body.
The utility model discloses a cellulose filter-pressing jar still includes bronchus and manometer, and bronchus input and last jar of body lateral wall be connected and with last jar of body cavity intercommunication, the input and the output intercommunication of bronchus of manometer.
The utility model discloses a cellulose filter-press jar still includes the aerator, the input of aerator and the output intercommunication of intake pipe, the aerator is located inside the cavity of the upper tank body.
The utility model discloses a cellulose filter-pressing jar still includes dry storehouse, gas-supply pipe and dry net, the outer wall in dry storehouse and the outer wall connection of the last jar of body, and the inside in dry storehouse is provided with the cavity, and the top in dry storehouse is provided with the gas outlet, and the bottom in dry storehouse is provided with the air inlet, air inlet and gas outlet all communicate with the cavity in dry storehouse, the input and the gas outlet intercommunication of intake pipe, the output and the air inlet intercommunication of gas-supply pipe are provided with the valve that admits air on the gas-supply pipe, and the horizontal fixed mounting of dry net is in the cavity in dry storehouse.
The utility model discloses a cellulose filter-press jar is provided with the observation window on the lateral wall of the upper tank body.
The utility model discloses a cellulose filter-press jar still includes two sets of lugs, and the end of two sets of lugs all is connected with the top of last jar body, two sets of lug symmetry set up the top at last jar body.
The utility model discloses a cellulose filter-pressing jar still includes four groups's lower margin, the top of four groups' lower margins all with the bottom threaded connection of base.
Compared with the prior art, the beneficial effects of the utility model are that: put in the cellulose to the working chamber in through the inlet pipe, open the motor, motor output power carries to the transmission shaft, and the transmission shaft drives stirring rod and stirring hammer rotatory, later in steam is carried to the working chamber through the intake pipe, and stirring rod and stirring hammer stir the cellulose loose, make steam fully contact the filter-pressing to the cellulose, and the moisture that the filter-pressing was filtered out is discharged through the drain pipe, has improved the filter-pressing effect, improves the practicality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the axial measurement structure of the present invention;
FIG. 3 is a schematic structural view of the support leg assembly of FIG. 1;
FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
in the drawings, the reference numbers: 1. a base; 2. feeding the tank body; 3. a tank body is arranged; 4. a support frame; 5. a support leg assembly; 6. a filter screen; 7. a feed pipe; 8. a drain pipe; 9. a drain valve; 10. an air inlet pipe; 11. a motor; 12. a drive shaft; 13. a stirring rod; 14. a mixing hammer; 15. a hydraulic cylinder; 16. a connecting seat; 17. a connecting shaft; 18. a bronchus; 19. a pressure gauge; 20. an aerator; 21. a drying bin; 22. a gas delivery pipe; 23. drying the net; 24. an intake valve; 25. an observation window; 26. lifting lugs; 27. ground feet; 28. a feed valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 to 4, the cellulose pressure filtration tank of the utility model comprises a base 1, an upper tank body 2, a lower tank body 3, a support frame 4, a filter screen 6, a feed pipe 7, a drain pipe 8 and an air inlet pipe 10, wherein the upper tank body 2 is internally provided with a cavity with an opening at the lower end, the bottom end of the upper tank body 2 is communicated and provided with an upper flange, the lower tank body 3 is internally provided with an inner cavity with an opening at the upper end, the top end of the lower tank body 3 is communicated and provided with a lower flange, the upper flange of the upper tank body 2 is connected with the lower flange of the lower tank body 3 through a bolt, so that the inner parts of the upper and lower tank bodies jointly form a closed working chamber, the bottom end of the support frame 4 is connected with the top end of the base 1, the upper end of the support frame 4 is connected with the outer wall of the upper tank body 2, the top end of the base 1 is provided with a support, the feeding port is communicated with the cavity of the upper tank body 2, the output end of the feeding pipe 7 is communicated with the feeding port of the upper tank body 2, the feeding pipe 7 is communicated with a feeding valve 28, the bottom end of the lower tank body 3 is provided with a discharge port, the discharge port is communicated with the inner cavity of the lower tank body 3, the input end of the drain pipe 8 is communicated with the discharge port of the lower tank body 3, the drain pipe 8 is communicated with a drain valve 9, the side wall of the upper tank body 2 is provided with an air inlet, the air inlet is communicated with the cavity of the upper tank body 2, the air inlet pipe 10 is communicated with the air inlet, and the output end of the air inlet pipe 10 extends; the stirring device also comprises a motor 11, a transmission shaft 12 and a plurality of groups of stirring rods 13, wherein the bottom end of the motor 11 is connected with the top end of the upper tank body 2, the transmission shaft 12 is arranged at the output end of the motor 11, the transmission shaft 12 extends into the cavity of the upper tank body 2, the plurality of groups of stirring rods 13 are arranged on the transmission shaft 12 in the upper tank body 2, and stirring hammers 14 are arranged on the plurality of groups of stirring rods 13; put into the working chamber with the cellulose through inlet pipe 7 in, close feed valve 28, open motor 11, motor 11 output power carries to transmission shaft 12, transmission shaft 12 drives stirring rod 13 and stirring hammer 14 rotatory, later in through intake pipe 10 steam of carrying to the working chamber in, stirring rod 13 and stirring hammer 14 are loose with the cellulose stirring, make steam fully contact the filter-pressing to the cellulose, the moisture that the pressure was filtered out is discharged through drain pipe 8, the filter-pressing effect has been improved, the practicality is improved.
The utility model discloses a cellulose filter-pressing jar, supporting leg subassembly 5 comprises pneumatic cylinder 15, connecting seat 16 and connecting axle 17, and the base of pneumatic cylinder 15 is connected with the top of base 1, and the telescopic joint top of pneumatic cylinder 15 is connected with the bottom of connecting seat 16, and the side of connecting seat 16 rotates with one end of connecting axle 17 to be connected, and the other end of connecting axle 17 is connected with the outer wall of lower jar of body 3; open the connecting bolt of upper flange and lower flange department after the filter-pressing is accomplished, shrink pneumatic cylinder 15's telescopic joint, pneumatic cylinder 15's telescopic joint passes through connecting seat 16 and connecting axle 17 and drives down jar body 3 and descends, then along connecting axle 17 rotatory jar body 3 down, clear away the cellulose after the filter-pressing on the filter screen 6, the rotatory jar body 3 down of clearance completion makes the top of jar body 3 down place to the level, extend pneumatic cylinder 15's telescopic joint, promote jar body 3 down, the lower flange that makes jar body 3 down contacts the cooperation and uses bolted connection with the last flange of last jar body 2, convenience is provided.
The utility model discloses a cellulose filter-pressing jar, which also comprises a bronchus 18 and a pressure gauge 19, wherein the input end of the bronchus 18 is connected with the side wall of the upper jar body 2 and is communicated with the cavity of the upper jar body 2, and the input end of the pressure gauge 19 is communicated with the output end of the bronchus 18; through setting up manometer 19, can observe the pressure in the working chamber, improve the security.
The cellulose pressure filtration tank of the utility model also comprises an aerator 20, the input end of the aerator 20 is communicated with the output end of the air inlet pipe 10, and the aerator 20 is positioned in the cavity of the upper tank body 2; by arranging the aerator 20, the steam is sprayed more densely and uniformly in the cavity of the upper tank body 2, and the practicability is improved.
The utility model discloses a cellulose filter-press jar, still include dry storehouse 21, gas-supply pipe 22 and drying net 23, the outer wall of dry storehouse 21 and the outer wall connection of last jar body 2, the inside of dry storehouse 21 is provided with the cavity, and the top of dry storehouse 21 is provided with the gas outlet, and the bottom of dry storehouse 21 is provided with the air inlet, air inlet and gas outlet all communicate with the cavity of dry storehouse 21, and the input and the gas outlet of intake pipe 10 communicate, and the output and the air inlet of gas-supply pipe 22 communicate, are provided with air inlet valve 24 on the gas-supply pipe 22, and drying net 23 transversely fixes mounting in the cavity of dry storehouse 21; steam is carried to the cavity in dry storehouse 21 in through gas-supply pipe 22, then drying net 23 carries the cavity of supreme jar body 2 in through intake pipe 10 after drying steam, improves the practicality.
The utility model relates to a cellulose filter-press tank, an observation window 25 is arranged on the side wall of an upper tank body 2; through setting up observation window 25, can observe the situation in the cavity of the upper tank body 2, improve the convenience.
The cellulose filter-pressing tank of the utility model also comprises two groups of lifting lugs 26, the ends of the two groups of lifting lugs 26 are connected with the top end of the upper tank body 2, and the two groups of lifting lugs 26 are symmetrically arranged on the top end of the upper tank body 2; through setting up two sets of lugs 26, the position of device is conveniently hoisted and removed, improves the convenience.
The utility model discloses a cellulose filter-pressing tank, which also comprises four groups of feet 27, wherein the top ends of the four groups of feet 27 are all in threaded connection with the bottom end of the base 1; through setting up four groups of lower margin 27, make the level of base 1 adjust, improved the steadiness of device.
The utility model discloses a cellulose filter-press tank, it is at work, at first pass through bolted connection with the lower flange of lower jar of body with the upper flange of upper jar of body, the input of gas-supply pipe and steam pipe intercommunication, later put into the cavity of upper jar of body with the cellulose through the inlet pipe, the cellulose drops on the filter screen, close the feed valve, then open the motor, motor output power carries to the transmission shaft, the transmission shaft drives stirring rod and stirring hammer rotation, stirring rod and stirring hammer stir the cellulose loose, later open the air inlet valve, steam passes through the gas-supply pipe and carries to the cavity in dry storehouse, then the dry net carries out the drying to steam and carries to the aerator through the intake pipe and exposes to the sun out, steam filters the cellulose pressurization, then the moisture that separates flows to the inner chamber bottom of lower jar of body, then open the drainage valve, moisture passes through the drain pipe and discharges, later open the connecting bolt of upper flange and lower flange department, the telescopic joint of shrink pneumatic cylinder, the telescopic joint of pneumatic cylinder passes through the connecting seat and the descending of the jar body under the connecting axle drives, then along the rotatory lower jar of body of connecting axle, clear away the cellulose after the filter-pressing on the filter screen, the top that the jar body made the lower jar of body is placed to the level under the rotatory lower jar of body of clearance completion, the telescopic joint of extension pneumatic cylinder promotes the lower jar of body, the lower flange that makes the lower jar of body and the last flange contact cooperation of the upper jar of body and with bolted connection can.
The installation mode, the connection mode or the arrangement mode of the cellulose filter-pressing tank of the utility model are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a supporting leg subassembly, motor and aerator of cellulose filter-pressing jar are purchase on the market, and this industry technical staff only need according to its subsidiary operating specification install and operate can.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A cellulose filter-pressing tank comprises a base (1), an upper tank body (2), a lower tank body (3), a support frame (4), a filter screen (6), a feeding pipe (7), a water discharging pipe (8) and an air inlet pipe (10), wherein a cavity with an open lower end is arranged in the upper tank body (2), an upper flange is communicated with the bottom end of the upper tank body (2), an inner cavity with an open upper end is arranged in the lower tank body (3), a lower flange is communicated with the top end of the lower tank body (3), the upper flange of the upper tank body (2) is connected with the lower flange of the lower tank body (3) through bolts, so that a closed working chamber is formed in the upper tank body and the lower tank body together, the bottom end of the support frame (4) is connected with the top end of the base (1), the upper end of the support frame (4) is connected with the outer wall of the upper tank body (2), a support leg assembly (5), the filter screen (6) is transversely and fixedly installed on the inner wall of the inner cavity of the lower tank body (3), the top end of the upper tank body (2) is provided with a feed inlet, the feed inlet is communicated with the cavity of the upper tank body (2), the output end of the feed pipe (7) is communicated with the feed inlet of the upper tank body (2), the feed pipe (7) is provided with a feed inlet valve (28) in a communicated manner, the bottom end of the lower tank body (3) is provided with a discharge outlet, the discharge outlet is communicated with the inner cavity of the lower tank body (3), the input end of the drain pipe (8) is communicated with the discharge outlet of the lower tank body (3), the drain pipe (8) is provided with a drain valve (9) in a communicated manner, the side wall of the upper tank body (2) is provided with an air inlet, the air inlet is communicated with the cavity of the upper tank body (2), the air inlet pipe (; the novel pot is characterized by further comprising a motor (11), a transmission shaft (12) and a plurality of groups of stirring rods (13), wherein the bottom end of the motor (11) is connected with the top end of the upper pot body (2), the transmission shaft (12) is arranged at the output end of the motor (11), the transmission shaft (12) extends into the cavity of the upper pot body (2), the plurality of groups of stirring rods (13) are arranged on the transmission shaft (12) inside the upper pot body (2), and stirring hammers (14) are arranged on the groups of stirring rods (13).
2. The cellulose pressure filtration tank according to claim 1, wherein the supporting leg assembly (5) is composed of a hydraulic cylinder (15), a connecting seat (16) and a connecting shaft (17), the base of the hydraulic cylinder (15) is connected with the top end of the base (1), the top end of the telescopic joint of the hydraulic cylinder (15) is connected with the bottom end of the connecting seat (16), the side end of the connecting seat (16) is rotatably connected with one end of the connecting shaft (17), and the other end of the connecting shaft (17) is connected with the outer wall of the lower tank body (3).
3. A cellulose pressure filtration tank according to claim 2, further comprising a branch pipe (18) and a pressure gauge (19), wherein an input end of the branch pipe (18) is connected to the side wall of the upper tank body (2) and communicates with the cavity of the upper tank body (2), and an input end of the pressure gauge (19) communicates with an output end of the branch pipe (18).
4. A cellulose pressure filtration tank according to claim 3, further comprising an aerator (20), the input of the aerator (20) being in communication with the output of the air intake pipe (10), the aerator (20) being located inside the cavity of the upper tank (2).
5. The cellulose filter-pressing tank as recited in claim 4, further comprising a drying bin (21), an air delivery pipe (22) and a drying net (23), wherein the outer wall of the drying bin (21) is connected with the outer wall of the upper tank body (2), a chamber is arranged inside the drying bin (21), an air outlet is arranged at the top of the drying bin (21), an air inlet is arranged at the bottom end of the drying bin (21), the air inlet and the air outlet are communicated with the chamber of the drying bin (21), the input end and the air outlet of the air inlet pipe (10) are communicated, the output end and the air inlet of the air delivery pipe (22) are communicated, an air inlet valve (24) is arranged on the air delivery pipe (22), and the drying net (23) is transversely and fixedly installed in the chamber of the drying bin (21).
6. A cellulose pressure filtration tank according to claim 5, characterized in that the side wall of the upper tank body (2) is provided with a viewing window (25).
7. A cellulose pressure filtration tank according to claim 6, further comprising two sets of lifting lugs (26), wherein the ends of the two sets of lifting lugs (26) are connected with the top end of the upper tank body (2), and the two sets of lifting lugs (26) are symmetrically arranged on the top end of the upper tank body (2).
8. A cellulose pressure filtration tank according to claim 7, further comprising four sets of feet (27), the top ends of the four sets of feet (27) being in threaded connection with the bottom end of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244095.9U CN213321866U (en) | 2020-06-30 | 2020-06-30 | Cellulose filter-pressing jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244095.9U CN213321866U (en) | 2020-06-30 | 2020-06-30 | Cellulose filter-pressing jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213321866U true CN213321866U (en) | 2021-06-01 |
Family
ID=76082134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244095.9U Active CN213321866U (en) | 2020-06-30 | 2020-06-30 | Cellulose filter-pressing jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213321866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116036698A (en) * | 2023-03-28 | 2023-05-02 | 晋州市谊诚纤维素有限公司 | Cellulose filter-pressing jar with even heating function |
-
2020
- 2020-06-30 CN CN202021244095.9U patent/CN213321866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116036698A (en) * | 2023-03-28 | 2023-05-02 | 晋州市谊诚纤维素有限公司 | Cellulose filter-pressing jar with even heating function |
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Address after: 052260 Jinzhou Economic Development Zone, Shijiazhuang City, Hebei Province Patentee after: Hebei Yicheng Cellulose Co.,Ltd. Country or region after: China Address before: 052260 Jinzhou Economic Development Zone, Shijiazhuang City, Hebei Province Patentee before: Jinzhou Yicheng cellulose Co.,Ltd. Country or region before: China |