CN205887553U - Polyvinyl alcohol resin wash bowl and quick water washing device - Google Patents
Polyvinyl alcohol resin wash bowl and quick water washing device Download PDFInfo
- Publication number
- CN205887553U CN205887553U CN201620907865.0U CN201620907865U CN205887553U CN 205887553 U CN205887553 U CN 205887553U CN 201620907865 U CN201620907865 U CN 201620907865U CN 205887553 U CN205887553 U CN 205887553U
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- China
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- rinsing bowl
- polyvinyl alcohol
- alcohol resin
- tank diameter
- dipping tank
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Abstract
The utility model discloses a polyvinyl alcohol resin wash bowl and quick water washing device, wherein polyvinyl alcohol resin wash bowl includes and a plurality of independences and the flooding stirred tank that communicates in order sets up agitating unit in every flooding stirred tank, upper portion at first flooding stirred tank cell wall sets up the water inlet, oblique top at the water inlet sets up the feed inlet, establish a trompil in order to realize interconnected on the connecting wall of two adjacent stirred tanks, the opposed cell wall of trompil place cell wall bottom sets up discharge gate and level sensor in final flooding stirred tank, and level sensor is used for controlling the wash bowl liquid level, the discharge gate passes through the outlet valve and is connected with material pumping pump. The utility model discloses the quick water washing device of polyvinyl alcohol resin, including pipe -type screw conveyer, wash bowl, vacuum belt filtration dewatering machine and the electron belt weigher that connects gradually. The utility model discloses device washing is effectual, washes efficiently, can realize continuous production's purpose, provides safeguard for the spinning full production.
Description
First, technical field
The utility model is related to a kind of pva process units, specifically a kind of polyvinyl alcohol resin rinsing bowl and quick
Water washing device.
2nd, background technology
Polyvinyl alcohol resin (pva) can not directly be obtained by monomer polymerization, but by the poly- acetic acid of its esters
Vinyl acetate alcoholysis or hydrolysis are preparing.Industrial adopt low alkalinity alcoholysis to prepare pva, compared with high alkaline process, low alkaline process prominent
Going out advantage is, using low alkali mol ratio, NaOH consumption is only 1/10th of high alkaline process, and side reaction is few, by-product sodium acetate
Also accordingly less, shortcoming is that alcoholysis speed is slow, and the sodium acetate in pva product is difficult because of compact structure to wash away.
Because low alkalinity alcoholysis have many advantages, have become as the main method producing polyvinyl alcohol at present.By alkaline process alcohol
Containing the impurity such as sodium acetate and micro acetaldehyde, crotonaldehyde and free alkali in the pva raw material of solution, if these impurity do not remove
Go, fiber will be made in high-temperature heat treatment to turn to be yellow, the presence of especially substantial amounts of sodium acetate is the main cause of fiber jaundice.Institute
Have to after washing just can dissolve with raw material.The purpose of washing: one is the acetic acid washing away and stablizing in pva raw material
Sodium；Two is to make the abundant swelling of pva raw material, moisture content is stable, is conducive to uniformly and promptly dissolving in the hot water it is ensured that technique
Stable.Current technic index is that sodium acetate content must control below 0.2%.
The water washing device of existing pva is a kind of drum type stirred tank, and its operation principle is: adds certain in stirred tank
Then pva is put in stirred tank by the washings of amount, then starts shaft, and pva is stirred through shaft after being mixed with washings
Washed.The shortcoming of this kind of method for washing is:
1st, low production efficiency, produces and does not have continuity it is impossible to meet the full production of spinning.
2nd, water washing effect is poor, and in pva, the content of sodium acetate is higher than 0.2%, and moisture content is higher.
3rd, material loss is big, and the washings water yield that the pva washing of unit quantity consumes is big.
3rd, utility model content
The utility model aims to provide a kind of polyvinyl alcohol resin rinsing bowl and quick water washing device, to reach efficiently, even
The purpose of continuous washing.
For solving above technical problem, the utility model adopts the following technical scheme that:
The utility model polyvinyl alcohol resin rinsing bowl, the dipping tank diameter 21 including multiple independences and sequentially connecting, often
Setting agitating device 22 in individual dipping tank diameter 21, the flow direction according to mixture arranges the steering of agitating device 22；At first
The top setting water inlet 23 of dipping tank diameter cell wall, by Valve controlling inflow；The oblique upper of water inlet 23 arrange into
Material mouth 24；One perforate is set on the connection wall of two adjacent tank diameters to realize interconnecting；In last dipping stirring
The cell wall bottom setting discharging opening 25 on perforate place cell wall opposite and liquid level sensor in groove, liquid level sensor is used for controlling washing
Tank liquor position；Discharging opening 25 is connected with mateiral pump 5 by outlet valve.
Two perforates in same tank diameter are located at diagonally opposing corner position respectively.
All perforates equivalently-sized.
Described perforate is square.When square opening be located at bottom land position when, tangent with cell wall be difficult formed dead angle, be difficult to block up
Material.
Described dipping tank diameter 21 is set to 12-18, preferably 18.Described dipping tank diameter 21 is scattered in three row rows
Row, flow direction in rinsing bowl 2 for the material is " s " type.
The utility model includes the quick water washing device of polyvinyl alcohol resin of described rinsing bowl, including the tubular type being sequentially connected
Conveying worm 1, rinsing bowl 2, vacuum belt type filter and dehydration machine 3 and electronic belt weigher 4.
Pva is fed intake by the hopper 16 that feeds intake, and is delivered to rinsing bowl 2 through tube-type spiral conveyer 1 from discharging opening 13,
It is delivered to vacuum belt type filter and dehydration machine 3 after washing in rinsing bowl 2 to be dehydrated, the material after dehydration is counted through electronic belt weigher 4
Amount is weighed.
Described tube-type spiral conveyer 1 includes an outer cylinder being fixed in frame 11, and the bottom of outer cylinder 11 is provided with
Charging aperture 12, the upper end of outer cylinder 11 is provided with discharging opening 13 and motor 14.Described tube-type spiral conveyer 1 also includes one and contains
The integral screw blade 15 of spiral axis, spiral axis is centrally mounted on bearing block, and spiral axis passes through shaft coupling and motor
14 connections, charging aperture 12 is connected with the hopper 16 that feeds intake, and discharging opening 13 is connected with the charging aperture of rinsing bowl 2.
Compared with original technology, the utility model has and has the beneficial effect that:
1st, water washing effect is good, and the pva sodium acetate content after dehydration is less than 0.2%, and moisture content 50% about, meets production
Technological requirement.
2nd, washing efficiency is high, it is possible to achieve quantity-produced purpose, is that spinning full production provides safeguard.
3rd, material loss is low, and whole water-washing process pva loss is few, greatly reduces production cost.
4th, brief description
Fig. 1 is the schematic diagram of the quick water washing device of the utility model polyvinyl alcohol resin.
Fig. 2 is the structural representation of tube-type spiral conveyer.
Fig. 3 is the structural representation of rinsing bowl.
Wherein, 1 tube-type spiral conveyer, 2 rinsing bowls, 3 vacuum belt type filter and dehydration machines, 4 electronic belt weighers, 5 take out
Material pump；11 outer cylinder, 12 charging apertures, 13 discharging openings, 14 motors, 15 helical blades, 16 feed intake hopper；21 dipping tank diameters, 22
Agitating device, 23 water inlets, 24 charging apertures, 25 discharging openings.
5th, specific embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 3, the utility model polyvinyl alcohol resin rinsing bowl, including multiple independences and sequentially connect
Dipping tank diameter 21, setting agitating device 22 in each dipping tank diameter 21, the flow direction according to mixture arranges agitating device 22
Steering；In the top setting water inlet 23 of first dipping tank diameter cell wall, by Valve controlling inflow；In water inlet 23
Oblique upper setting charging aperture 24；One perforate is set on the connection wall of two adjacent tank diameters to realize interconnecting；?
The cell wall bottom setting discharging opening 25 on perforate place cell wall opposite and liquid level sensor, level sensing in a dipping tank diameter afterwards
Device is used for controlling rinsing bowl liquid level；Discharging opening 25 is connected with mateiral pump 5 by outlet valve.
Two perforates in same tank diameter are located at diagonally opposing corner position respectively.
All perforates equivalently-sized, perforate be square.
Described dipping tank diameter 21 is set to 18, is scattered in three row's arrangements, often arranges six.Material is in rinsing bowl 2
Flow to as " s " type.
The utility model includes the quick water washing device of polyvinyl alcohol resin of described rinsing bowl, including the tubular type being sequentially connected
Conveying worm 1, rinsing bowl 2, vacuum belt type filter and dehydration machine 3 and electronic belt weigher 4.
Pva is fed intake by the hopper 16 that feeds intake, and is delivered to rinsing bowl 2 through tube-type spiral conveyer 1 from discharging opening 13,
It is delivered to vacuum belt type filter and dehydration machine 3 after washing in rinsing bowl 2 to be dehydrated, the material after dehydration is counted through electronic belt weigher 4
Amount is weighed.
Described tube-type spiral conveyer 1 includes an outer cylinder being fixed in frame 11, and the bottom of outer cylinder 11 is provided with
Charging aperture 12, the upper end of outer cylinder 11 is provided with discharging opening 13 and motor 14.Described tube-type spiral conveyer 1 also includes one and contains
The integral screw blade 15 of spiral axis, spiral axis is centrally mounted on bearing block, and spiral axis passes through shaft coupling and motor
14 connections, charging aperture 12 is connected with the hopper 16 that feeds intake, and discharging opening 13 is connected with the charging aperture of rinsing bowl 2.
The quick water washing device of the utility model polyvinyl alcohol resin, running is as follows:
Open liquid level sensor, set level value；Open the washings water inlet main valve of rinsing bowl 2, washings water inlet is adjusted
Valve, the level value that regulating valve sets according to liquid level sensor controls the flow of washings, the temperature of washings 40 ± 5 DEG C it
Between.
Start to feed intake after rinsing bowl water inlet 10min, start conveying worm 1, put into pva toward in the hopper 16 that feeds intake, feed intake
Pva in hopper 16 is delivered to discharging opening 13 by conveying worm 1 charging aperture 12, subsequently enters rinsing bowl 2.
Start the agitating device 22 of rinsing bowl 2；Start vacuum belt type filter and dehydration machine 3, set operational factor；Start vacuum
Pump；Start electronic belt weigher 4, set operational factor.Each equipment is debugged according to needs of production, treats that system operation is normal
Afterwards, open the outlet valve of rinsing bowl 2, start mateiral pump, start toward vacuum belt type filter and dehydration machine 3 feeding.
Pva is delivered to vacuum belt type filter and dehydration machine 3 after washing in rinsing bowl 2 and is dehydrated, and the material after dehydration is through electronics
Belt weigher 4 metering is weighed.
Pva after metering, is inhaled into dissolving tank by vacuumizing.
Claims (9)
1. a kind of polyvinyl alcohol resin rinsing bowl it is characterised in that: include multiple independences the dipping tank diameter that sequentially connects
(21), setting agitating device (22) in each dipping tank diameter (21)；First dipping tank diameter cell wall top arrange into
The mouth of a river (23), by Valve controlling inflow；In the oblique upper of water inlet (23) setting charging aperture (24)；Stir at adjacent two
Mix and a perforate is set on the connection wall of groove to realize interconnecting；Perforate place cell wall opposite in last dipping tank diameter
Cell wall bottom setting discharging opening (25) and liquid level sensor, liquid level sensor is used for controlling rinsing bowl liquid level；Discharging opening (25) leads to
Cross outlet valve to be connected with mateiral pump (5).
2. rinsing bowl according to claim 1 it is characterised in that:
Two perforates in same tank diameter are located at diagonally opposing corner position respectively.
3. rinsing bowl according to claim 1 it is characterised in that:
All perforates equivalently-sized.
4. the rinsing bowl according to claim 1 or 3 it is characterised in that:
Described perforate is square.
5. rinsing bowl according to claim 1 it is characterised in that:
Described dipping tank diameter (21) is set to 12-18.
6. rinsing bowl according to claim 5 it is characterised in that:
Described dipping tank diameter (21) is set to 18.
7. rinsing bowl according to claim 6 it is characterised in that:
Described dipping tank diameter (21) is scattered in three row's arrangements, often arranges six.
8. rinsing bowl according to claim 5 it is characterised in that:
Flow direction in rinsing bowl (2) for the material is " s " type.
9. a kind of include claim 1 described in rinsing bowl the quick water washing device of polyvinyl alcohol resin it is characterised in that:
Including the tube-type spiral conveyer (1) being sequentially connected, rinsing bowl (2), vacuum belt type filter and dehydration machine (3) and electronic belt
Weigher (4)；
Polyvinyl alcohol resin is fed intake by the hopper that feeds intake (16), conveys from discharging opening (13) through tube-type spiral conveyer (1)
To rinsing bowl (2), after washing in rinsing bowl (2), it is delivered to vacuum belt type filter and dehydration machine (3) dehydration, the material warp after dehydration
Electronic belt weigher (4) metering is weighed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907865.0U CN205887553U (en) | 2016-08-19 | 2016-08-19 | Polyvinyl alcohol resin wash bowl and quick water washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907865.0U CN205887553U (en) | 2016-08-19 | 2016-08-19 | Polyvinyl alcohol resin wash bowl and quick water washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205887553U true CN205887553U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620907865.0U Active CN205887553U (en) | 2016-08-19 | 2016-08-19 | Polyvinyl alcohol resin wash bowl and quick water washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140717A (en) * | 2016-08-19 | 2016-11-23 | 安徽皖维高新材料股份有限公司 | A kind of polyvinyl alcohol resin rinsing bowl and rapid water cleaning device |
-
2016
- 2016-08-19 CN CN201620907865.0U patent/CN205887553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140717A (en) * | 2016-08-19 | 2016-11-23 | 安徽皖维高新材料股份有限公司 | A kind of polyvinyl alcohol resin rinsing bowl and rapid water cleaning device |
| CN106140717B (en) * | 2016-08-19 | 2019-01-01 | 安徽皖维高新材料股份有限公司 | A kind of polyvinyl alcohol resin rinsing bowl and quick water washing device |
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| GR01 | Patent grant |