CN208389806U - A kind of emulsifier unit for saving ASA - Google Patents
A kind of emulsifier unit for saving ASA Download PDFInfo
- Publication number
- CN208389806U CN208389806U CN201820821230.8U CN201820821230U CN208389806U CN 208389806 U CN208389806 U CN 208389806U CN 201820821230 U CN201820821230 U CN 201820821230U CN 208389806 U CN208389806 U CN 208389806U
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- China
- Prior art keywords
- asa
- starch
- discharge port
- feed inlet
- pump
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Abstract
The utility model relates to paper making process technique fields, more particularly to a kind of emulsifier unit for saving ASA, including starch charging gear, ASA charging gear, emulsification pump and finished product receiving vat, the discharge port of starch charging gear and the discharge port of ASA charging gear are connected to the feed inlet of emulsification pump, the discharge port of emulsification pump is connected to the feed inlet of finished product receiving vat, it further include starch bypass pipe, the feed inlet of starch bypass pipe is connected to the discharge port of starch charging gear, and the discharge port of starch bypass pipe is connected to the feed inlet of finished product receiving vat.The utility model is by adding starch bypass pipe, so that a part of starch fluid is diverted and mixes with emulsification pump discharge port, another part starch fluid flows into emulsification pump after mixing with ASA, the power of emulsification pump is effectively concentrated to the emulsification pretreatment for acting on ASA, realize that starch fluid and ASA's is fully emulsified, so that ASA is played one's part to the full, and then saves the dosage of ASA.
Description
Technical field
The utility model relates to paper making process technique fields, and in particular to a kind of emulsifier unit for saving ASA.
Background technique
Alkenyl succinic anhydride (ASA) is a kind of new neutral sizing agent for no alumina glue system, and reactivity is very
By force, it can complete to be glued within a very short time.Degree of sizing with higher when the paper web of ASA sizing reaches size press, it is dry
It can reach the 90% of maximum degree of sizing afterwards.The sizing agent can be in pH5-9 range internal sizing.Current domestic ASA neutral sizing cost
Lower than AKD, but production scene must be equipped with continuous emulsification equipment, bigger using technical difficulty.Due to ASA reactivity
Height after lotion is made, often loses reactivity within a few hours, needs using a large amount of ASA raw material.Therefore, a kind of section is needed
Save the emulsifier unit of ASA.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of savings
The emulsifier unit of ASA, by adding starch bypass pipe, so that a part of starch fluid is diverted and mixes with emulsification pump discharge port
It closing, another part starch fluid flows into emulsification pump after mixing with ASA, compared with flowing into emulsification pump after all starch and ASA mixing, this
The power of emulsification pump can effectively be concentrated the emulsification pretreatment for acting on ASA by the emulsifier unit that utility model uses, and be avoided
More consumption of starch power of emulsification pump, while avoiding starch amyloplastic strand under the shear action of emulsification pump
Fracture, to reduce the colloid stick effect of starch, i.e., the emulsifier unit that the utility model uses improves the colloid of starch
Stick effect, realization starch fluid and ASA's is fully emulsified, so that ASA is played one's part to the full, and then save the dosage of ASA.
The purpose of this utility model is achieved through the following technical solutions: a kind of emulsifier unit for saving ASA, including starch are given
Expect device, ASA charging gear, emulsification pump and finished product receiving vat, the discharge port and ASA charging gear of the starch charging gear
Discharge port be connected to the feed inlet of the emulsification pump, the feed inlet of the discharge port of the emulsification pump and the finished product receiving vat
Connection, the emulsifier unit further includes starch bypass pipe, the feed inlet of the starch bypass pipe and the starch charging gear
Discharge port connection, the discharge port of the starch bypass pipe are connected to the feed inlet of the finished product receiving vat.
Preferably, the starch bypass pipe is provided with the first regulating valve and first flowmeter, and first regulating valve goes out
Material mouth is connected to the feed inlet of the first flowmeter.
Preferably, the starch charging gear include the starch feeder trough being sequentially communicated, starch feed pump, heat exchanger and
The feed inlet of pressure transmitter, the feed inlet of the starch bypass pipe and the emulsification pump goes out with the pressure transmitter
Material mouth connection.
Preferably, the second regulating valve and second flowmeter, institute are communicated between the pressure transmitter and the emulsification pump
The discharge port for stating the second regulating valve is connected to the feed inlet of the second flowmeter.
Preferably, be communicated with pH controller between second regulating valve and second flowmeter, second flowmeter with it is described
PH measuring appliance is communicated between emulsification pump.
Preferably, the emulsifier unit further includes return pipe and reflux pump, the feed inlet of the return pipe and the emulsification
The discharge port of pump is connected to, and the return pipe is provided with third regulating valve, the discharge port and the reflux pump of the third regulating valve
Feed inlet connection, the discharge port of the reflux pump is connected to via return pipe with the feed inlet of emulsification pump.
Preferably, the emulsifier unit further includes for controlling the first regulating valve, the second regulating valve and third regulating valve
DCS controller, the pressure transmitter, the first regulating valve, first flowmeter, the second regulating valve, second flowmeter and third tune
Valve is saved to be electrically connected with the DCS controller.
Preferably, the ASA charging gear includes the ASA feeder trough and ASA feed pump being sequentially communicated, the ASA feed
The discharge port of pump is connected to the feed inlet of the emulsification pump.
Preferably, the first valve is communicated between the discharge port of the bypass pipe and the feed inlet of finished product receiving vat.
Preferably, it is communicated between the discharge port of the bypass pipe and the feed inlet of the first valve for finished product to be delivered to
The delivery pipe of extraneous paper machine, the delivery pipe are provided with the second valve.
The utility model has the beneficial effects that: the emulsifier unit of saving ASA of the utility model a kind of, is formed sediment by adding
Powder bypass pipe, so that a part of starch fluid is diverted and mixes with emulsification pump discharge port, another part starch fluid is mixed with ASA
After flow into emulsification pump, with all starch and ASA mixing after flow into emulsification pump compared with, the emulsifier unit that the utility model uses can have
The power of emulsification pump is concentrated the emulsification pretreatment for acting on ASA by effect ground, avoids the power of excessive consumption of starch emulsification pump,
Starch amyloplastic molecular chain rupture under the shear action of emulsification pump is avoided simultaneously, so that the colloid for reducing starch is protected
Give over to use, i.e., the emulsifier unit that the utility model uses improves the colloid stick effect of starch, realizes filling for starch fluid and ASA
Divide emulsification, so that ASA is played one's part to the full, and then save the dosage of ASA.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Appended drawing reference are as follows: 01, starch charging gear；011, starch feeder trough；012, starch feed pump；013, heat exchanger；
014, pressure transmitter；02, ASA charging gear；021, ASA feeder trough；022, ASA feed pump；03, emulsification pump；04, finished product is received
Hopper；05, starch bypass pipe；051, the first regulating valve；052, first flowmeter；06, the second regulating valve；07, second flowmeter；
08, return pipe；081, third regulating valve；082, reflux pump；09, DCS controller；10, the first valve；11, delivery pipe；111,
Two valves；12, pH controller；13, pH measuring appliance.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to examples and drawings 1-2 to the utility model make into
The explanation of one step, the content that embodiment refers to not are the restriction to the utility model.
Embodiment 1
As shown in Figure 1, a kind of emulsifier unit for saving ASA, including starch charging gear 01, ASA charging gear 02, emulsification
The discharge port of pump 03 and finished product receiving vat 04, the discharge port of the starch charging gear 01 and ASA charging gear 02 is and institute
The feed inlet connection of emulsification pump 03 is stated, the discharge port of the emulsification pump 03 is connected to the feed inlet of the finished product receiving vat 04, institute
Stating emulsifier unit further includes starch bypass pipe 05, and the feed inlet of the starch bypass pipe 05 goes out with the starch charging gear 01
Material mouth connection, the discharge port of the starch bypass pipe 05 are connected to the feed inlet of the finished product receiving vat 04.
The utility model is by adding starch bypass pipe 05, so that a part of starch fluid is diverted and goes out with emulsification pump 03
Material mouth mixing, another part starch fluid flow into emulsification pump 03 after mixing with ASA, emulsification are flowed into after mixing with all starch and ASA
Pump 03 is compared, and the power of emulsification pump 03 can effectively be concentrated the shearing for acting on ASA by the emulsifier unit that the utility model uses
Emulsification, avoids the power of excessive consumption of starch emulsification pump 03, while avoiding starch in the shear action of emulsification pump 03
Under amyloplastic molecular chain rupture, to reduce the colloid stick effect of starch, i.e. the emulsification dress that uses of the utility model
It sets the colloid stick effect for improving starch, realizes that starch fluid and ASA's is fully emulsified, so that ASA is played one's part to the full, ASA water
It solving object and reduces 30-33%, i.e., paper per ton can reduce ASA hydrolysate discharge amount 0.6-0.7kg, and then save the dosage of ASA,
Paper per ton needs to be reduced to the 1.2-1.8kg of the utility model by original 1.8-2.3kg using the amount of ASA, and ASA saving rate reaches
To 30-33%；After tested, the ASA emulsification average grain diameter in 30 minutes is reduced to the utility model from original 2.0-2.3 μm
1.5-2.0 μm, particle diameter distribution stablize.
The starch bypass pipe 05 is provided with the first regulating valve 051 and first flowmeter 052, first regulating valve 051
Discharge port be connected to the feed inlet of the first flowmeter 052.
In the present invention, the flow that the starch bypass pipe 05 is surveyed by the first flowmeter 052, passes through first
Regulating valve 051 adjusts the flow of the starch bypass pipe 05, avoids the flow of starch bypass pipe 05 too low, makes the emulsion pumps
Power consumption is on excessive starch, so that dispersion and emulsion pumps the emulsification pretreatment of 03 couple of ASA；Further, it described first adjusts
Valve 051 is pneumatic control valve.
The starch charging gear 01 includes starch feeder trough 011, starch feed pump 012, the heat exchanger 013 being sequentially communicated
And pressure transmitter 014, the feed inlet of the feed inlet of the starch bypass pipe 05 and the emulsification pump 03 with the pressure
The discharge port of power transmitter 014 is connected to.
In the present invention, the starch feeder trough 011 is for storing starch fluid, and starch fluid is in the starch feed pump
Flowed out under 012 power effect from the starch feeder trough 011, it is cooling through the heat exchanger 013, reduce because temperature is excessively high so that
The degree hydrolyzed after ASA emulsification, then starch fluid flows into the pressure transmitter 014 and carries out survey pressure, the pressure transmitter 014
Convert pressure into electric signal output, then a part of starch fluid flows into starch bypass pipe 05, another part starch fluid with it is described
The ASA mixing that ASA charging gear 02 flows out.
The second regulating valve 06 and second flowmeter 07 are communicated between the pressure transmitter 014 and the emulsification pump 03,
The discharge port of second regulating valve 06 is connected to the feed inlet of the second flowmeter 07.
In the present invention, the flow for flowing into the starch fluid of emulsification pump 03 is measured by the second flowmeter 07, is led to
Cross the flow that second regulating valve 06 adjusts starch fluid；Further, second regulating valve 06 is pneumatic control valve.Institute
Under the cooperation adjusting for stating the first regulating valve 051 and the second regulating valve 06, guarantee that the starch fluid for flowing into the starch bypass pipe 05 accounts for
The 58-62% of the starch fluid flowed out from the pressure transmitter 014, more effectively reduces excessive consumption of starch emulsification pump 03
Power makes emulsification pump 03 more concentrate the emulsification pretreatment for acting on ASA, it is ensured that the emulsification pretreatment partial size of ASA is thinner more stable, simultaneously
Reduce most of starch under the shear action of emulsification pump 03, the strand on starch branch is caused to shorten, to reduce
The colloid stick effect of starch.
The emulsifier unit further includes return pipe 08 and reflux pump 082, feed inlet and the emulsification of the return pipe 08
The discharge port connection of pump 03, the discharge port of the return pipe 08 are connected to the feed inlet of the emulsification pump 03；The return pipe 08
It is provided with third regulating valve 081, the discharge port of the third regulating valve 081 is connected to the feed inlet of the reflux pump 082, described
The discharge port of reflux pump 082 is connected to via return pipe 08 with the feed inlet of emulsification pump 03.
In the present invention, the return pipe 08 of setting is under the power effect of reflux pump 082, by feed liquid from the emulsification pump
03 discharge port flows back into the feed inlet of the emulsification pump 03, so that not emulsified feed liquid is emulsified, improves emulsifying effectiveness, mentions
The utilization rate of high ASA saves the dosage of ASA.The regurgitant volume that feed liquid is adjusted by third regulating valve 081, improves the utilization of ASA
Rate saves the dosage of ASA.
The emulsifier unit further includes for controlling the first regulating valve 051, the second regulating valve 06 and third regulating valve 081
DCS controller 09, the pressure transmitter 014, the first regulating valve 051, first flowmeter 052, the second regulating valve 06, second
Meter 07 and third regulating valve 081 are electrically connected with the DCS controller 09.
In the present invention, the pressure transmitter 014, first flowmeter 052 and second flowmeter 07 electric signal
It is delivered to the DCS controller 09, the first regulating valve 051, the second regulating valve 06 and third are controlled by the DCS controller 09
Regulating valve 081, and then control flow.In the case where the cooperation of first regulating valve 051 and the second regulating valve 06 is adjusted, guarantee to flow into
The starch fluid of the starch bypass pipe 05 accounts for the 58-62% of the starch fluid flowed out from the pressure transmitter 014, more effectively subtracts
The power of few excessive consumption of starch emulsification pump 03, makes emulsification pump 03 more concentrate the emulsification pretreatment for acting on ASA, it is ensured that ASA's
Emulsification pretreatment partial size is thinner more stable, while reducing most of starch under the shear action of emulsification pump 03, causes starch branch
Strand on chain shortens, to reduce the colloid stick effect of starch.
The ASA charging gear 02 includes the ASA feeder trough 021 and ASA feed pump 022 being sequentially communicated, the ASA feed
The discharge port of pump 022 is connected to the feed inlet of the emulsification pump 03.
In the present invention, ASA feeder trough 021 is for storing ASA, under the power effect of the ASA feed pump 022,
ASA is flowed out from ASA feeder trough 021, is then mixed with the starch fluid that second flowmeter 07 flows out and is flowed into the emulsification pump 03, improves
The utilization rate of ASA saves the dosage of ASA.
The first valve 10 is communicated between the discharge port of the bypass pipe and the feed inlet of finished product receiving vat 04.
It is communicated between the discharge port of the bypass pipe and the feed inlet of the first valve 10 for finished product to be delivered to the external world
The delivery pipe 11 of paper machine, the delivery pipe 11 are provided with the second valve 111.
In the present invention, under the mating reaction of first valve 10 and the second valve 111, finished product is flowed into finished product
Receiving vat 04 or extraneous paper machine, when first valve 10 is closed, the second valve 111 is opened, finished product flows into extraneous paper machine, real
Now emulsification is designed with papermaking integral process, avoids finished product because the resting period produces the problem of being easy hydrolysis failure；When described
When one valve 10 is opened, the second valve 111 is closed, finished product flows into finished product receiving vat 04, avoids finished product and flows into extraneous paper machine mistake
It causes to waste more, save the dosage of finished product and then saves the dosage of ASA.
Embodiment 2
As shown in Fig. 2, the present embodiment difference from example 1 is that: second regulating valve 06 and second flow
It is communicated with pH controller 12 between meter 07,13 device of pH measuring appliance is communicated between second flowmeter 07 and the emulsification pump 03.
In the present embodiment, the pH value of starch fluid is measured using 13 device of pH measuring appliance, is controlled by pH controller 12 and is flowed into institute
The starch fluid pH value for stating emulsification pump 03 is maintained at 4-5, reduces the degree of hydrolysis of ASA lotion, to improve the quality of finished product, saves
The dosage of ASA.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility
Within enclosing.
Claims (10)
1. it is a kind of save ASA emulsifier unit, it is characterised in that: including starch charging gear, ASA charging gear, emulsification pump with
And finished product receiving vat, the discharge port of the discharge port of the starch charging gear and ASA charging gear with the emulsification pump into
Material mouth connection, the discharge port of the emulsification pump are connected to the feed inlet of the finished product receiving vat, and the emulsifier unit further includes forming sediment
Powder bypass pipe, the feed inlet of the starch bypass pipe are connected to the discharge port of the starch charging gear, the starch bypass pipe
Discharge port be connected to the feed inlet of the finished product receiving vat.
2. a kind of emulsifier unit for saving ASA according to claim 1, it is characterised in that: the starch bypass pipe setting
There are the first regulating valve and first flowmeter, the discharge port of first regulating valve is connected to the feed inlet of the first flowmeter.
3. a kind of emulsifier unit for saving ASA according to claim 2, it is characterised in that: the starch charging gear packet
Include the starch feeder trough being sequentially communicated, starch feed pump, heat exchanger and pressure transmitter, the feed inlet of the starch bypass pipe
It is connected to the discharge port of the pressure transmitter with the feed inlet of the emulsification pump.
4. a kind of emulsifier unit for saving ASA according to claim 3, it is characterised in that: the pressure transmitter and institute
It states and is communicated with the second regulating valve and second flowmeter between emulsification pump, the discharge port of second regulating valve and the second flow
The feed inlet of meter is connected to.
5. a kind of emulsifier unit for saving ASA according to claim 4, it is characterised in that: second regulating valve and the
It is communicated with pH controller between two flowmeters, pH measuring appliance is communicated between second flowmeter and the emulsification pump.
6. a kind of emulsifier unit for saving ASA according to claim 4, it is characterised in that: the emulsifier unit further includes
Return pipe and reflux pump, the feed inlet of the return pipe are connected to the discharge port of the emulsification pump, and the return pipe is provided with
The discharge port of three regulating valves, the third regulating valve is connected to the feed inlet of the reflux pump, the discharge port warp of the reflux pump
It is connected to by return pipe with the feed inlet of emulsification pump.
7. a kind of emulsifier unit for saving ASA according to claim 6, it is characterised in that: the emulsifier unit further includes
For controlling the DCS controller of the first regulating valve, the second regulating valve and third regulating valve, the pressure transmitter, first are adjusted
Valve, first flowmeter, the second regulating valve, second flowmeter and third regulating valve are electrically connected with the DCS controller.
8. a kind of emulsifier unit for saving ASA according to claim 1, it is characterised in that: the ASA charging gear includes
The ASA feeder trough and ASA feed pump being sequentially communicated, the discharge port of the ASA feed pump are connected to the feed inlet of the emulsification pump.
9. a kind of emulsifier unit for saving ASA according to claim 1, it is characterised in that: the discharge port of the bypass pipe
The first valve is communicated between the feed inlet of finished product receiving vat.
10. a kind of emulsifier unit for saving ASA according to claim 9, it is characterised in that: the discharge port of the bypass pipe
The delivery pipe for finished product to be delivered to extraneous paper machine is communicated between the feed inlet of the first valve, the delivery pipe is provided with
Second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821230.8U CN208389806U (en) | 2018-05-29 | 2018-05-29 | A kind of emulsifier unit for saving ASA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821230.8U CN208389806U (en) | 2018-05-29 | 2018-05-29 | A kind of emulsifier unit for saving ASA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208389806U true CN208389806U (en) | 2019-01-18 |
Family
ID=65134672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820821230.8U Expired - Fee Related CN208389806U (en) | 2018-05-29 | 2018-05-29 | A kind of emulsifier unit for saving ASA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208389806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755827A (en) * | 2020-11-18 | 2021-05-07 | 广西金桂浆纸业有限公司 | Emulsification mechanism, switching method thereof and papermaking system |
-
2018
- 2018-05-29 CN CN201820821230.8U patent/CN208389806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755827A (en) * | 2020-11-18 | 2021-05-07 | 广西金桂浆纸业有限公司 | Emulsification mechanism, switching method thereof and papermaking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |