CN220514149U - Production system of thick liquid congee that lyocell fibre production was used and cross-linking agent processing apparatus thereof - Google Patents
Production system of thick liquid congee that lyocell fibre production was used and cross-linking agent processing apparatus thereof Download PDFInfo
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- CN220514149U CN220514149U CN202322122574.3U CN202322122574U CN220514149U CN 220514149 U CN220514149 U CN 220514149U CN 202322122574 U CN202322122574 U CN 202322122574U CN 220514149 U CN220514149 U CN 220514149U
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- linking agent
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- 239000003431 cross linking reagent Substances 0.000 title claims abstract description 105
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 229920000433 Lyocell Polymers 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000007380 fibre production Methods 0.000 title description 3
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 235000021395 porridge Nutrition 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 238000003860 storage Methods 0.000 claims description 37
- 239000004971 Cross linker Substances 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The application discloses a production system of pulp porridge for producing lyocell fiber and a crosslinking agent treatment device thereof. A crosslinking agent processing apparatus comprising: the stirring kettle is provided with a stirring cavity, an inlet and an outlet, and the inlet and the outlet are communicated with the stirring cavity; a driving member; the stirring shaft is in transmission connection with the power output end of the driving piece; stirring paddles; wherein, the stirred tank still is constructed and is used for adding the feed liquor mouth of liquid. The application provides a production system of porridge for producing lyocell fiber capable of increasing utilization rate of a crosslinking agent and a crosslinking agent treatment device thereof.
Description
Technical Field
The application relates to the technical field of production of lyocell fibers, in particular to a production system of porridge for producing lyocell fibers and a crosslinking agent treatment device thereof.
Background
Lyocell is a man-made fiber from natural plants, which has many excellent properties of natural fibers and synthetic fibers. Currently, lyocell fibers generally comprise the following steps.
Step 1: adding cellulose powder into porridge treatment equipment, and then adding cross-linking agent, solvent, auxiliary agent and the like into the treatment equipment to prepare porridge;
step 2: delivering the product produced by the porridge processing equipment into a glue solution preparation device for glue solution preparation,
step 3: inputting the glue solution into a glue solution filtering device for filtering;
step 4: after spinning by a spinning device, the required lyocell fiber is obtained.
At present, fiber powder, a solvent, a cross-linking agent and an auxiliary agent are synchronously added into the pulp and porridge processing equipment, and required pulp and porridge are obtained after stirring and mixing uniformly.
In this scheme; the cross-linking agent powder is added into the salt-free water, and is added into the mixed system of the porridge after being uniformly mixed according to a certain proportion for reaction and mixing, so that compared with the mode that the cross-linking agent in a powder state is mixed into the reaction system of the porridge, the cross-linking agent powder is added into the mixed system of the porridge in a mode of preparing a solution, and the mixing efficiency is higher.
However, this scheme is performed in order to ensure that the cross-linking agent solution added to the reaction system of the gruel is in a predetermined ratio. Therefore, the cross-linking agent powder and the non-saline water are added into a stirring kettle according to a certain proportion, the mixture is stirred uniformly and then added into a porridge reaction system, and after all the cross-linking agent powder in the stirring kettle is added, a pot of cross-linking agent solution in the stirring kettle is reconfigured. Thus, in actual production, the continuity of the preparation of the gruel is not high, and after the crosslinker solution in the stirred tank is used up, the preparation of the gruel can be carried out again after waiting for the new crosslinker solution to be prepared again. So the continuity of the preparation of the pulp congee is not high, and the preparation efficiency of the pulp congee is low.
Disclosure of Invention
The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
As a first aspect of the present application, to solve the technical problem of low efficiency in preparation of porridge, some embodiments of the present application provide a crosslinking agent treatment apparatus, including:
the stirring kettle is provided with a stirring cavity, an inlet and an outlet; the inlet and the outlet are respectively communicated with the stirring cavity, the inlet is used for adding a cross-linking agent, and the outlet is connected to a reaction system of the porridge;
the stirring device is arranged in the stirring kettle;
wherein, the stirring kettle is also provided with a liquid inlet for adding desalted water;
the cross-linking agent treatment device also comprises a temporary storage kettle which is communicated with the stirring kettle.
The application is through setting up a stirred tank and temporary storage cauldron to can input the cross-linking agent solution of configuration in the stirred tank into temporary storage cauldron, add the fusion of cross-linking agent by temporary storage cauldron to the reaction system of thick liquid congee. Therefore, when in operation, the temporary storage kettle continuously applies the cross-linking agent to the reaction system according to the requirement, the stirring kettle is used for preparing the cross-linking agent solution, then the cross-linking agent solution is completely added into the temporary storage kettle, and then the cross-linking agent solution is reconfigured; therefore, when the porridge is prepared, the temporary storage kettle is used for continuously adding the cross-linking agent solution into the porridge preparation system, and the stirring kettle is used for periodically adding the cross-linking agent solution into the temporary storage kettle. Thus, the continuity of adding the cross-linking agent solution is ensured, and the preparation efficiency of the porridge is increased.
Further, the cross-linking agent treatment device further comprises a conveying pump, and the conveying pump is respectively connected to the stirring kettle and the temporary storage kettle.
The cross-linking agent solution in the stirring kettle can be input into the temporary storage kettle through the first conveying pump.
Further, a disturbing device is arranged on the temporary storage kettle. By providing a disturbance device, precipitation of the cross-linking agent in the liquid can be avoided.
Further, the cross-linking agent treatment device further comprises a first metering pump, and the first metering pump is connected with the temporary storage kettle; the first metering pump delivers the crosslinker solution into the reaction system of the congee.
In the scheme, the cross-linking agent solution is finally added into the reaction system of the porridge through the first metering pump, so that the conveying amount of the cross-linking agent solution can be controlled according to the first metering pump, and the required cross-linking agent amount in the reaction system of the porridge can be accurately matched.
Further, the cross-linking agent treatment device also comprises a flow valve, wherein the flow valve is connected with the temporary storage kettle, and the cross-linking agent solution entering the reaction system of the porridge passes through the flow valve.
In the scheme, the flow valve can be used for metering the cross-linking agent solution finally input into the reaction system of the porridge, knowing the adding amount of the cross-linking agent, and further adjusting the conveying rate of the cross-linking agent solution according to the requirement.
Further, the cross-linking agent treatment device also comprises a filter which is connected with the temporary storage kettle; for filtering the cross-linker solution into the gruel.
The mixing of cellulose powder and solvent belongs to the mixing of powder and liquid, and when stirring, a great deal of time is required to be spent for fully stirring to be uniformly stirred, and at the moment, the cross-linking agent solution is added into a reaction system of the porridge, so that the cross-linking agent can not fully react with cellulose because cellulose and auxiliary agents are not uniformly stirred, and the cross-linking agent is hydrolyzed and self-polymerized, so that the utilization rate of the cross-linking agent is low.
As a second aspect of the present application, in order to solve the problem of low efficiency of preparing a porridge, the present application provides the following technical solutions:
a system for producing congee for the production of lyocell fibres, comprising: the crosslinking agent treatment device and the reaction device are connected, and the crosslinking agent solution is added into the reaction device.
Further, the method comprises the steps of,
the reaction apparatus includes:
the reactor is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
wherein the reactor is connected with a cross-linking agent treatment device.
When the cellulose powder, the auxiliary agent and the NMMO solution are stirred, a certain time is needed, and the cellulose powder is still solid, so that the auxiliary agent is added at the moment, and the crosslinking agent is not fully utilized due to uneven mixing of the cellulose powder, so that hydrolysis and self-polymerization are caused, and the utilization rate of the crosslinking agent is not high.
Aiming at the problem, the application provides the following technical scheme:
further, the reaction apparatus includes:
the reactor is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
a dynamic mixer configured with a pulp inlet, a cross-linker inlet, and a mixing chamber;
wherein the pulp inlet is communicated with the discharge port, and the cross-linking agent inlet is connected to the cross-linking agent treatment device
In this scheme, through setting up reactor and dynamic mixer, so cellulose powder, NMMO solution and auxiliary agent, in the reactor, after mixing, become wet state after, carry in the dynamic mixer, so in to the dynamic mixer this moment, when adding cross-linking agent solution, just can not have cellulose stirring inhomogeneous, and make the cross-linking agent unable timely with cellulose reaction, the autopolymerization problem that arouses, and then increased the utilization ratio of cross-linking agent.
Further, the reactor and the dynamic mixer are communicated through a second metering pump.
In this scheme, get into the thick liquid congee semi-manufactured goods of dynamic mixer, carry through the second measuring pump, so can accurate regulation thick liquid congee semi-manufactured goods's delivery rate to according to thick liquid congee semi-manufactured goods's delivery rate, adjust the quantity of using of cross-linking agent, avoid unnecessary cross-linking agent to produce from gathering and hydrolysis.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
In the drawings:
FIG. 1 is a schematic view of a crosslinking agent treatment apparatus in example 1;
FIG. 2 is a schematic view of a crosslinking agent treatment apparatus in example 2;
FIG. 3 is a schematic view of a crosslinking agent treatment apparatus in other embodiments of example 2;
FIG. 4 is a schematic view showing a first metering pump provided in the crosslinking agent treating apparatus in example 3;
FIG. 5 is a schematic view showing a cross-linking agent treatment apparatus equipped with a filter in example 3;
FIG. 6 is a schematic view showing a cross-linking agent treatment apparatus equipped with a flow valve in example 3;
FIG. 7 is a schematic view of a system for producing congee according to example 4;
FIG. 8 is a schematic diagram of a reaction apparatus including a reactor and a dynamic mixer in example 4.
Reference numerals:
100. a crosslinking agent treatment device;
101. stirring kettle; 1011. a stirring cavity; 1012. an inlet; 1013. an outlet; 1014. a liquid inlet;
102. a driving member;
103. a stirring shaft;
104. stirring paddles;
105. temporary storage kettle;
106. a disturbance device; 1061. a storage chamber; 1062. an access port; 1063. an outlet;
107. a transfer pump;
108. a first metering pump;
109. a filter;
110. a flow valve;
201. a reaction device;
2011. a reactor;
2012. a dynamic mixer;
2013. a second metering pump;
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1: referring to fig. 1, a crosslinking agent processing apparatus 100 includes: a stirring tank 101, a driving piece 102, a stirring shaft 103 and a stirring paddle 104; the stirring kettle 101 is provided with a stirring cavity 1011, an inlet 1012, an outlet 1013 and a liquid inlet are arranged on the stirring kettle 101, and the inlet 1012, the outlet 1013 and the liquid inlet 1014 are communicated with the stirring cavity 1011; the driving piece 102 is a motor, the driving piece 102 is fixed through a bracket, the bracket is hidden in the figure, and the bracket can be fixed on the ground or on the outer wall of the stirring kettle 101. The stirring shaft 103 is in driving connection with the power take-off shaft of the driving member 102, which in this embodiment is directly connected to the stirring shaft 103.
Wherein, the inlet 1012 is used for adding cross-linking agent, the inlet 1014 is used for adding demineralized water, after adding cross-linking agent and demineralized water into the stirring cavity 1011, then stirring, the cross-linking agent solution can be obtained, then the cross-linking agent solution is discharged through removal and added into the porridge reaction system.
Example 2 referring to fig. 2: example 2 differs from example 1 mainly in that two kettles are provided, one for preparing the crosslinker solution and one for storing the crosslinker solution.
The production system of the porridge for producing the lyocell fiber further comprises a temporary storage kettle 105, wherein the temporary storage kettle 105 is communicated with the stirring kettle 101. Specifically, the temporary storage kettle 105 is provided with a storage cavity 1061, the temporary storage kettle 105 is provided with an inlet 10621012 and an outlet 10631013, both the connection port and the outlet 10631013 are communicated with the storage cavity 1061, and the connection port is connected to the outlet 1013 of the stirring kettle 101 through a pipeline, so that the crosslinking agent solution produced in the stirring kettle 101 is input into the temporary storage kettle 105 through the pipeline.
Further, to avoid precipitation of the crosslinker solution in temporary tank 105. The temporary storage kettle 105 is provided with a disturbance device 106. The disturbing device 106 is a device arranged in the temporary storage kettle 105 and used for stirring the liquid in the temporary storage kettle 105. The structure may be the same as that of the stirring device in embodiment 1. The liquid in the temporary storage kettle 105 is only required to be in a disturbance state, and the cross-linking agent cannot be precipitated by the precipitation machine. The specific structure is not described here in detail.
Referring to fig. 3, further, to facilitate transport of the crosslinker solution. The system for producing congee for lyocell fibre production further comprises a transfer pump 107. Specifically, the liquid inlet of the transfer pump 107 is connected to the outlet 1013 of the stirred tank 101, and the liquid outlet is connected to the inlet 10621012 of the temporary storage tank 105. Thus, the liquid in the stirred tank 101 can be transported into the temporary storage tank 105 by the transfer pump 107.
Referring to fig. 4 to 6, example 3 differs from example 2 and example 1 mainly in that the cross-linking agent solution finally enters one end of the porridge reaction system.
Referring to fig. 5, the cross-linker processing apparatus 100 further comprises a filter 109 for filtering the cross-linker solution entering the porridge. Specifically, the crosslinking agent treating apparatus 100 is connected to the gruel reaction system through a delivery pipe, and the filter 109 is provided on the delivery pipe, so that the crosslinking agent entering the gruel reaction system needs to be filtered.
In some embodiments, filter 109 is coupled to stirred tank 101 and the crosslinker solution produced by stirred tank 101 is directed through filter 109 into the congee reaction system. In this embodiment, the filter 109 is connected to the temporary storage tank 105.
Referring to fig. 6, the cross-linking agent treating apparatus 100 further includes a flow valve 110, and the cross-linking agent solution entering the reaction system of the gruel passes through the flow valve 110. Specifically, the flow valve 110 is disposed on the delivery tube.
In some embodiments, flow valve 110 is coupled to stirred tank 101, and the crosslinker solution produced by stirred tank 101 is directed through flow valve 110 into the congee reaction system. In this embodiment, a flow valve 110 is connected to the temporary storage tank 105.
Referring to fig. 4, the cross-linking agent treatment apparatus 100 further includes a first metering pump 108, the first metering pump 108 delivering a cross-linking agent solution into the reaction system of the congee. Specifically, a first metering pump 108 is also provided on the delivery tube.
In some embodiments, first metering pump 108 is connected to stirred tank 101, and the crosslinker solution produced by stirred tank 101 is directly fed into the congee reaction system by first metering pump 108. In this embodiment, a first metering pump 108 is connected to the temporary tank 105.
The order of the first metering pump 108, the flow valve 110, and the filter 109 on the delivery pipe is not particularly limited. The three components may be provided individually or in any number.
Referring to fig. 6, in the present application, in the case where the first metering pump 108, the flow valve 110, and the filter 109 are provided, their order is: a first metering pump 108, a filter 109 and a first metering pump 108, a flow valve 110, and a filter 109.
Referring to fig. 7, example 4: the present embodiment provides a system for producing porridge for producing lyocell fibers on the basis of the above 3 embodiments. The system for producing porridge for producing lyocell fiber comprises a cross-linking agent treatment device 100 and a reaction device 201. The crosslinking agent treatment apparatus 100 is the crosslinking agent treatment apparatus 100 provided in the foregoing examples 1 to 3. The reaction apparatus 201 is connected to the crosslinking agent processing apparatus 100, and a crosslinking agent solution is added to the reaction apparatus.
In some embodiments:
the reaction apparatus includes:
the reactor is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
wherein the reactor is connected with a cross-linking agent treatment device.
In this embodiment, the crosslinker solution, cellulose powder, auxiliary agent and solvent are all added to a single vessel and mixed and reacted.
Referring to fig. 8, in some embodiments:
the reaction apparatus 201 includes:
the reactor 2011 is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
a dynamic mixer 2012 configured with a pulp inlet 1012, a cross-linker inlet 1012, and a mixing chamber;
wherein pulp inlet 1012 communicates with the discharge port, and cross-linking agent inlet 1012 is connected to cross-linking agent treatment apparatus 100.
In this scheme, after the cellulose powder, the solvent and the auxiliary agent are mixed uniformly in the reactor 2011, the mixture is added into the dynamic mixer 2012, and then the cross-linking agent solution is added into the dynamic mixer 2012, so that the cross-linking agent and the cellulose are mixed in a wet state and a wet state, and the mixing effect is better.
In example 3, when the crosslinking agent solution is added, the feeding amount of the crosslinking agent solution is controlled by the first metering pump 108, so that the continuity of the process is ensured.
Referring to fig. 8, the reaction apparatus 201 further includes a second metering pump 2013, where the second metering pump 2013 is disposed between the reactor 2011 and the dynamic mixer 2012, and is configured to convey the wet porridge semi-product prepared by the reactor 2011 to the dynamic mixer 2012 at a certain rate.
It should be noted that in this application, the solvent mentioned is NMMO solvent.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. A crosslinking agent treatment apparatus characterized in that: comprising the following steps:
the stirring kettle is provided with a stirring cavity, an inlet and an outlet; the inlet and the outlet are respectively communicated with the stirring cavity, the inlet is used for adding a cross-linking agent, and the outlet is connected to a reaction system of the porridge;
the stirring device is arranged in the stirring kettle;
wherein, the stirring kettle is also provided with a liquid inlet for adding desalted water
The cross-linking agent treatment device also comprises a temporary storage kettle which is communicated with the stirring kettle.
2. The crosslinking agent processing apparatus of claim 1, wherein: still include the delivery pump, the delivery pump is connected to stirred tank and temporary storage cauldron respectively.
3. The crosslinking agent processing apparatus of claim 1, wherein: the temporary storage kettle is provided with a disturbance device.
4. The crosslinking agent processing apparatus of claim 1, wherein: the device also comprises a first metering pump, wherein the first metering pump is connected with the stirring kettle or the temporary storage kettle; the first metering pump delivers the crosslinker solution into the reaction system of the congee.
5. The crosslinking agent processing apparatus of claim 1, wherein: the device also comprises a flow valve, wherein the flow valve is connected with the stirring kettle or the temporary storage kettle, and the cross-linking agent solution entering the reaction system of the porridge passes through the flow valve.
6. The crosslinking agent processing apparatus of claim 1, wherein: the filter is connected with the stirring kettle or the temporary storage kettle; for filtering the cross-linker solution into the gruel.
7. A production system of pulp porridge for producing lyocell fiber, which is characterized in that: comprising the following steps: the crosslinking agent treating apparatus and the reaction apparatus according to any one of claims 1 to 6, wherein the reaction apparatus is connected to the crosslinking agent treating apparatus, and the crosslinking agent solution is fed into the reaction apparatus.
8. The system for producing porridge for producing lyocell fiber according to claim 7, wherein: the reaction apparatus includes:
the reactor is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
wherein the reactor is connected with a cross-linking agent treatment device.
9. The system for producing porridge for producing lyocell fiber according to claim 7, wherein: the reaction apparatus includes:
the reactor is provided with a feed inlet, a discharge outlet and a pretreatment cavity, and cellulose powder, an auxiliary agent and a solvent are added into the pretreatment cavity through the feed inlet;
a dynamic mixer configured with a pulp inlet, a cross-linker inlet, and a mixing chamber;
wherein, pulp inlet and discharge gate intercommunication, cross-linking agent entry is connected to cross-linking agent processing apparatus.
10. A system for producing congee for the production of lyocell fibre according to claim 9, characterized in that:
the reactor is communicated with the dynamic mixer through a second metering pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122574.3U CN220514149U (en) | 2023-08-08 | 2023-08-08 | Production system of thick liquid congee that lyocell fibre production was used and cross-linking agent processing apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122574.3U CN220514149U (en) | 2023-08-08 | 2023-08-08 | Production system of thick liquid congee that lyocell fibre production was used and cross-linking agent processing apparatus thereof |
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| Publication Number | Publication Date |
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| CN220514149U true CN220514149U (en) | 2024-02-23 |
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| CN202322122574.3U Active CN220514149U (en) | 2023-08-08 | 2023-08-08 | Production system of thick liquid congee that lyocell fibre production was used and cross-linking agent processing apparatus thereof |
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| CN (1) | CN220514149U (en) |
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- 2023-08-08 CN CN202322122574.3U patent/CN220514149U/en active Active
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