CN219619918U - Alkali liquor recovery system - Google Patents
Alkali liquor recovery system Download PDFInfo
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- CN219619918U CN219619918U CN202223485019.9U CN202223485019U CN219619918U CN 219619918 U CN219619918 U CN 219619918U CN 202223485019 U CN202223485019 U CN 202223485019U CN 219619918 U CN219619918 U CN 219619918U
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- alkali liquor
- temporary storage
- storage tank
- centrifugal pump
- lye
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The utility model relates to the technical field of viscose fiber production, in particular to an alkali liquor recovery system, which comprises a fiber recovery machine, an alkali liquor recovery tank and an alkali liquor temporary storage tank; the fiber recycling machine is connected with the alkali liquor temporary storage tank through a first pipeline, and the alkali liquor temporary storage tank is connected with the alkali liquor recycling tank through a second pipeline; the bottom of the outer side of the alkali liquor temporary storage tank is also provided with a liquid level transmitter, and a buffer tank communicated with the first pipeline is arranged in the alkali liquor temporary storage tank; and a centrifugal pump connected with the liquid level transmitter is further arranged on the second pipeline. Through the system, the problem of inconvenient alkali liquor recovery can be effectively solved, and the alkali liquor recovery efficiency can be controlled.
Description
Technical Field
The utility model relates to the technical field of viscose fiber production, in particular to an alkali liquor recovery system.
Background
In the field of viscose staple fiber production, lye is recycled, but when the hemicellulose concentration in lye increases to a certain extent, it cannot be used for production any more, otherwise the viscose preparation process, as well as the viscose properties, the forming conditions and the quality of the final product will be affected.
In the prior art, a Chinese patent document with publication number of CN207025097U and publication date of 2018, 02 month and 23 days is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: the utility model provides an alkali lye recovery system, includes stoste bucket and nanofiltration membrane filtration equipment, the stoste bucket is connected with nanofiltration membrane filtration equipment's feed inlet through alkali lye conveyer pipe, and nanofiltration membrane filtration equipment's net liquid export is connected with system recovery pipe, and nanofiltration membrane filtration equipment is two-stage at least, and every level nanofiltration membrane filtration equipment's feed inlet is connected on alkali lye conveyer pipe, and every level nanofiltration membrane filtration equipment's discharge gate is connected on alkali lye conveyer pipe, is equipped with delivery pump and high-pressure pump on the alkali lye conveyer pipe between stoste bucket and nanofiltration membrane filtration equipment.
In the practical use process, the following problems can occur:
the filtered alkali liquor is directly conveyed to an alkali liquor recovery tank, a transit tank is not provided, the alkali liquor is inconvenient to collect, the conveying amount of the alkali liquor cannot be accurately controlled, the alkali liquor has a large difference in yield, and the alkali liquor recovery efficiency is affected.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an alkali liquor recovery system which can effectively solve the problem of inconvenient alkali liquor recovery and can control the alkali liquor recovery efficiency.
The utility model is realized by adopting the following technical scheme:
an alkali lye recovery system, includes fiber recovery machine and alkali lye recovery jar, its characterized in that: the device also comprises an alkali liquor temporary storage tank; the fiber recycling machine is connected with the alkali liquor temporary storage tank through a first pipeline, and the alkali liquor temporary storage tank is connected with the alkali liquor recycling tank through a second pipeline; the bottom of the outer side of the alkali liquor temporary storage tank is also provided with a liquid level transmitter, and a buffer tank communicated with the first pipeline is arranged in the alkali liquor temporary storage tank; and a centrifugal pump connected with the liquid level transmitter is further arranged on the second pipeline.
The buffer groove is spiral.
And a filter is further arranged on the first pipeline.
The number of the filters is a plurality, and the filters are arranged in parallel.
And a check valve is arranged on the second pipeline and is positioned between the centrifugal pump and the alkali liquor recovery tank.
The centrifugal pump is in one-to-one correspondence with the centrifugal pump operation switches; the computer is electrically connected with the PLC, and the PLC is also electrically connected with the liquid level transmitter and the centrifugal pump operation switch respectively.
The centrifugal pump operation switch is a combination switch.
Two parallel branches are arranged on the second pipeline, and each branch is respectively provided with two ball valves and a centrifugal pump positioned between the two ball valves.
The top of the alkali liquor temporary storage tank is provided with an alkali liquor overflow pipe.
The number of the fiber recycling machines is at least one, and the alkali liquor temporary storage tanks are in one-to-one correspondence with the fiber recycling machines.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the fiber recycling machine is connected with the alkali liquor temporary storage tank, so that the filtered alkali liquor can be temporarily stored and primarily collected, and is convenient for being uniformly discharged to the alkali liquor recycling tank in the later period and controlling the alkali liquor dosage. The outside bottom of alkali lye temporary storage tank is equipped with the liquid level transmitter, and the accurate measurement alkali lye temporary storage tank's of being convenient for liquid level, and the installation is simple, and the liquid level transmitter is kept apart with alkali lye completely, uses safelyr. The inside of alkali lye temporary storage tank is equipped with the dashpot with first pipeline intercommunication, avoids the direct whereabouts of alkali lye after the fiber recovery machine filters to the impact of the jar body of alkali lye temporary storage tank, can make the liquid level changer response more sensitive, and the number of degrees is more accurate. The centrifugal pump can change the running state through the data of the liquid level transmitter, and the conveying amount of the alkali liquor is accurately controlled, so that the alkali liquor is more convenient to recycle, the production efficiency is improved, and the alkali liquor recycling efficiency is not influenced.
2. The buffer groove is spiral, and the buffer effect is good.
3. The filter is further arranged on the first pipeline, small cellulose in the alkali liquor can be intercepted, and the filtering effect is better.
4. The number of the filters is a plurality of, and the filters are arranged in parallel, so that the alkali liquor filtering area can be increased, and the alkali liquor cleanliness can be improved.
5. The check valve can avoid the alkali liquor from flowing backwards.
6. The PLC is controlled by a computer, and the liquid level limiting height and the liquid level limiting minimum height are set; the liquid level transmitter transmits liquid level information to the PLC controller, and if the liquid level information reaches the limited height of the liquid level, the PLC controller judges that the liquid level information reaches the limited height of the liquid level, controls an operation switch of the centrifugal pump, controls the centrifugal pump to be electrified, and the centrifugal pump works to convey the alkali liquor in the alkali liquor temporary storage tank to the alkali liquor recovery tank; if the minimum height of the liquid level limit is reached, the PLC controls the centrifugal pump to operate the switch, controls the centrifugal pump to be powered off, stops working, and the alkali liquor is continuously stored in the alkali liquor temporary storage tank temporarily. Through the liquid level of self-control alkali lye temporary storage tank, realize the automatic control to alkali lye collection in the alkali lye temporary storage tank, greatly reduced staff's intensity of labour makes alkali lye recovery more convenient, improves production efficiency.
7. The centrifugal pump operation switch is a combined switch, so that the on-off of the centrifugal pump can be controlled conveniently.
8. Be equipped with two branches on the second pipeline, all be equipped with the centrifugal pump on every branch, be convenient for switch and use, guarantee production stability.
9. The top of the alkali liquor temporary storage tank is provided with an alkali liquor overflow pipe, so that redundant alkali liquor can be discharged when the alkali liquor cannot be discharged out in time, and the overflow direction of the alkali liquor can be controlled.
10. The number of the fiber recycling machines is at least one, and the alkali liquor temporary storage tanks correspond to the fiber recycling machines one by one and can adapt to more use scenes.
Drawings
The utility model will be described in further detail with reference to the drawings and detailed description, wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another embodiment of the present utility model;
the marks in the figure:
1. the fiber recycling machine comprises a fiber recycling machine body 2, an alkali liquor temporary storage tank, a 3, an alkali liquor recycling tank, a 4, a computer, a 5, a PLC controller, a 6, a first pipeline, a 7, a second pipeline, a 8, a liquid level transmitter, a 9, a centrifugal pump, a 10, a centrifugal pump operation switch, a 11, an alkali liquor overflow pipe, a 12, a ball valve, a 13, a buffer tank, a 14, a filter, a 15 and a check valve.
Detailed Description
Example 1
As a basic embodiment of the utility model, referring to FIG. 1 of the drawings, the utility model comprises an lye recovery system comprising a fiber recovery machine 1, a lye recovery tank 3 and a lye temporary storage tank 2. The fiber recycling machine 1 is connected with the lye temporary storage tank 2 through a first pipeline 6, and the lye temporary storage tank 2 is connected with the lye recycling tank 3 through a second pipeline 7. The outside bottom of alkali lye temporary storage tank 2 still is equipped with liquid level transmitter 8, and the inside of alkali lye temporary storage tank 2 is equipped with the buffer tank 13 with first pipeline 6 intercommunication. The buffer tank 13 can be arranged in the lye temporary storage tank 2 in a spiral mode, lye discharged from the fiber recycling machine 1 can enter the lye temporary storage tank 2 along the buffer tank 13, and cannot directly fall down to impact the tank body of the lye temporary storage tank 2. The second pipeline 7 is also provided with a centrifugal pump 9 connected with a liquid level transmitter 8. The liquid level transmitter 8 can detect the liquid level of the corresponding lye temporary storage tank 2, and through the detected liquid level, the centrifugal pump 9 can be electrified or powered off to realize the transportation or stop transportation of lye, so that the lye is prevented from being stored too much or too little in the lye temporary storage tank 2.
Example 2
As a preferred embodiment of the utility model, the utility model comprises an alkali liquor recovery system which comprises three fiber recovery machines 1, three alkali liquor temporary storage tanks 2 and an alkali liquor recovery tank 3. The three fiber recovery machines 1 are respectively connected with the three lye temporary storage tanks 2 in a one-to-one correspondence manner through first pipelines 6, and the three lye temporary storage tanks 2 are respectively connected with the same lye recovery tank 3 through three second pipelines 7. The outer bottoms of the three lye temporary storage tanks 2 are respectively provided with a liquid level transmitter 8. The three second pipelines 7 are also provided with centrifugal pumps 9 connected with a liquid level transmitter 8.
The buffer tank 13 is arranged in the lye temporary storage tank 2 and is communicated with the first pipeline 6, more specifically, the buffer tank 13 can be in a downward inclined shape. The first pipe 6 is further provided with a filter 14, and the structure of the filter 14 is not specifically limited in this embodiment, so long as small cellulose in the alkali lye can be intercepted.
Example 3
As another preferred embodiment of the utility model, the utility model comprises an alkali liquor recovery system which comprises two fiber recovery machines 1, two alkali liquor temporary storage tanks 2, an alkali liquor recovery tank 3, a computer 4, a PLC controller 5 and four groups of centrifugal pump operation switches 10. The fiber recycling machine 1 is connected with the lye temporary storage tanks 2 in a one-to-one correspondence manner through first pipelines 6, and the lye temporary storage tanks 2 are respectively connected with the lye recycling tank 3 through second pipelines 7. The outside bottom of each lye temporary storage tank 2 is respectively provided with a liquid level transmitter 8, and the inside of each lye temporary storage tank 2 is provided with a buffer tank 13 communicated with the first pipeline 6.
Two branches are arranged on each second pipeline 7, and a centrifugal pump 9 is arranged on each branch, and the centrifugal pumps 9 are in one-to-one correspondence with the centrifugal pump operation switches 10. The centrifugal pump operation switch 10 may be a combination switch.
The computer 4 is electrically connected with the PLC 5, and the PLC 5 is also electrically connected with the liquid level transmitter 8 and the centrifugal pump operation switch 10 respectively. The computer 4 controls the PLC 5, sets the program of the PLC 5, inputs the liquid level limiting height and the liquid level limiting minimum height, wherein the liquid level limiting height is 85% of the height of the lye temporary storage tank 2, and the liquid level limiting minimum height is 30% of the height of the lye temporary storage tank 2. The alkali liquor passes through the fiber recycling machine 1, enters the connected alkali liquor temporary storage tank 2 through the first pipeline 6 and the buffer tank 13, is accumulated in the alkali liquor temporary storage tank 2, and in the process, three liquid level transmitters 8 detect liquid level information in the corresponding alkali liquor temporary storage tank 2 respectively and send the liquid level information to the PLC controller 5. The PLC controller 5 receives the liquid level information, analyzes whether 30% or 85% is reached. When the liquid level in a certain alkali liquor temporary storage tank 2 reaches 85%, the PLC controller 5 sends an instruction to the centrifugal pump operation switch 10 corresponding to the alkali liquor temporary storage tank 2, so that the corresponding centrifugal pump 9 is electrified, the centrifugal pump 9 is started, after the centrifugal pump 9 is started, the liquid level gradually decreases, when the liquid level reaches 30%, the PLC sends an instruction to the centrifugal pump operation switch 10, so that the centrifugal pump 9 is powered off, the centrifugal pump 9 stops working, and alkali liquor continues to accumulate in the alkali liquor temporary storage tank 2.
In the process, the PLC also sends a signal to the computer 4, so that the computer 4 displays the liquid level of the lye temporary storage tank 2 and the running state of the centrifugal pump 9, and if the centrifugal pump 9 is running, the display is green; if the centrifugal pump 9 is stopped, a red color is displayed.
Example 4
As a best mode of carrying out the utility model, referring to FIG. 2 of the drawings, the utility model comprises an lye recovery tank 3, a computer 4, a PLC controller 5, two fiber recovery machines 1, two lye temporary storage tanks 2 and four sets of centrifugal pump operation switches 10. The fiber recycling machine 1 is connected with the lye temporary storage tanks 2 in a one-to-one correspondence manner through first pipelines 6, and the lye temporary storage tanks 2 are respectively connected with the lye recycling tank 3 through second pipelines 7. The outer bottoms of the two lye temporary storage tanks 2 are respectively provided with a liquid level transmitter 8.
Three filters 14 are arranged in parallel on each first pipeline 6, and the filters 14 can comprise metal filter screens for filtering small cellulose in alkali liquor. The buffer tank 13 is arranged in the alkali liquor temporary storage tank 2, the buffer tank 13 is spiral, and one end of an input port of the buffer tank 13 is communicated with the discharge ports of the three filters 14. Two branches are arranged on each second pipeline 7, two ball valves 12 and a centrifugal pump 9 are arranged on each branch, and the centrifugal pumps 9 are in one-to-one correspondence with the centrifugal pump operation switches 10. The ball valve 12 is connected with the centrifugal pump 9, and indirectly controls the flow. The centrifugal pump operation switch 10 is a combination switch, and the specific model can be SFZ-SG K/2-1E/1M, and is used for controlling the running state of the centrifugal pump 9.
The top of the lye temporary storage tank 2 is also provided with a lye overflow pipe 11. And each second pipeline 7 is also provided with a check valve 15, and the check valve 15 is positioned between the centrifugal pump 9 and the lye recovery tank 3, so that when the centrifugal pump 9 stops, the lye at a high place is prevented from flowing backwards.
The computer 4 is electrically connected with the PLC 5, and the PLC 5 is also electrically connected with the liquid level transmitter 8 and the centrifugal pump operation switch 10 respectively. The computer 4 controls the PLC 5, sets the program of the PLC 5, inputs the liquid level limiting height and the liquid level limiting minimum height, wherein the liquid level limiting height is 85% of the height of the lye temporary storage tank 2, and the liquid level limiting minimum height is 30% of the height of the lye temporary storage tank 2. The alkali liquor passes through the fiber recycling machine 1, enters the connected alkali liquor temporary storage tank 2 through the first pipeline 6, is accumulated in the alkali liquor temporary storage tank 2, and in the process, two liquid level transmitters 8 respectively detect the liquid level information in the corresponding alkali liquor temporary storage tank 2 and send the liquid level information to the PLC controller 5; the PLC controller 5 receives the liquid level information, analyzes whether 30% or 85% is reached. When the liquid level in a certain alkali liquor temporary storage tank 2 reaches 85%, the PLC controller 5 sends an instruction to the centrifugal pump operation switch 10 corresponding to the alkali liquor temporary storage tank 2, so that the corresponding centrifugal pump 9 is electrified, the centrifugal pump 9 is started, after the centrifugal pump 9 is started, the liquid level gradually decreases, when the liquid level reaches 30%, the PLC sends an instruction to the centrifugal pump operation switch 10, so that the centrifugal pump 9 is powered off, the centrifugal pump 9 is stopped, and alkali liquor continues to accumulate in the alkali liquor temporary storage tank 2.
When the centrifugal pump 9 is started, the liquid level still rises, and more alkali liquor flows out to the corresponding container through the alkali liquor overflow pipe 11 to be collected, so that the alkali liquor is prevented from flowing in a turbulent way.
In view of the foregoing, it will be appreciated by those skilled in the art that, after reading the present specification, various other modifications can be made in accordance with the technical scheme and concepts of the present utility model without the need for creative mental efforts, and the modifications are within the scope of the present utility model.
Claims (10)
1. An alkali liquor recovery system comprises a fiber recovery machine (1) and an alkali liquor recovery tank (3), and is characterized in that: also comprises an alkali liquor temporary storage tank (2); the fiber recycling machine (1) is connected with the alkali liquor temporary storage tank (2) through a first pipeline (6), and the alkali liquor temporary storage tank (2) is connected with the alkali liquor recycling tank (3) through a second pipeline (7); the bottom of the outer side of the alkali liquor temporary storage tank (2) is also provided with a liquid level transmitter (8), and a buffer tank (13) communicated with the first pipeline (6) is arranged inside the alkali liquor temporary storage tank (2); and a centrifugal pump (9) connected with the liquid level transmitter (8) is further arranged on the second pipeline (7).
2. An lye recovery system according to claim 1, wherein: the buffer groove (13) is spiral.
3. An lye recovery system according to claim 2, characterized in that: the first pipeline (6) is also provided with a filter (14).
4. A lye recovery system according to claim 3, wherein: the number of the filters (14) is a plurality, and the filters (14) are arranged in parallel.
5. An lye recovery system according to claim 2, characterized in that: the second pipeline (7) is provided with a check valve (15), and the check valve (15) is positioned between the centrifugal pump (9) and the lye recovery tank (3).
6. An lye recovery system according to claim 2 or 5, characterized in that: the centrifugal pump also comprises a computer (4), a PLC (programmable logic controller) controller (5) and a centrifugal pump operation switch (10), wherein the centrifugal pumps (9) are in one-to-one correspondence with the centrifugal pump operation switches (10); the computer (4) is electrically connected with the PLC (5), and the PLC (5) is also electrically connected with the liquid level transmitter (8) and the centrifugal pump operation switch (10) respectively.
7. The lye recovery system of claim 6, wherein: the centrifugal pump operation switch (10) is a combination switch.
8. An lye recovery system according to claim 2, characterized in that: two parallel branches are arranged on the second pipeline (7), and each branch is respectively provided with two ball valves (12) and a centrifugal pump (9) positioned between the two ball valves (12).
9. An lye recovery system according to claim 2, characterized in that: an alkali liquor overflow pipe (11) is arranged at the top of the alkali liquor temporary storage tank (2).
10. An lye recovery system according to claim 2, characterized in that: the number of the fiber recycling machines (1) is at least one, and the alkali liquor temporary storage tanks (2) are in one-to-one correspondence with the fiber recycling machines (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485019.9U CN219619918U (en) | 2022-12-27 | 2022-12-27 | Alkali liquor recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485019.9U CN219619918U (en) | 2022-12-27 | 2022-12-27 | Alkali liquor recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219619918U true CN219619918U (en) | 2023-09-01 |
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ID=87794845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223485019.9U Active CN219619918U (en) | 2022-12-27 | 2022-12-27 | Alkali liquor recovery system |
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| Country | Link |
|---|---|
| CN (1) | CN219619918U (en) |
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- 2022-12-27 CN CN202223485019.9U patent/CN219619918U/en active Active
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