CN218574407U

CN218574407U - PVB washing equipment

Info

Publication number: CN218574407U
Application number: CN202222527560.5U
Authority: CN
Inventors: 高翔; 张大海; 张琪; 刘正阳; 孙志强; 张培华; 高丽; 王志锋; 徐磊
Original assignee: QINGDAO HAOCHENG INDUSTRIAL CO LTD; Ocean University of China
Current assignee: QINGDAO HAOCHENG INDUSTRIAL CO LTD; Ocean University of China
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-03-07
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a PVB washing equipment, including washing cauldron, pipeline and circulating pump, the upper portion of washing cauldron sets up gas vent and feed inlet, the bottom of washing cauldron sets up the discharge gate, and its characteristics are: still include mixing arrangement and water treatment facilities, mixing arrangement passes through a pipe connection spray set, spray set follows the top surface of washing cauldron stretches into wherein, the bottom of washing cauldron pass through water drainage pipe with water inlet on the water treatment facilities is connected, set up the valve on the water drainage pipe, delivery port on the water treatment facilities pass through water inlet pipe with the mixing arrangement intercommunication, set up on the water inlet pipe the circulating pump, set up stirring reducing mechanism on the bottom in the washing cauldron. The PVB water washing quality can be improved, water resources and energy consumption can be saved, the structure is simple, and the operation cost is low.

Description

PVB washing equipment

Technical Field

The utility model belongs to the technical field of chemical production equipment, a PVB production facility's improvement is related to, a PVB washing equipment specifically says so.

Background

Polyvinyl butyral (PVB) is a product obtained by condensation reaction of polyvinyl alcohol and n-butyl aldehyde under the acid catalysis condition, can be dissolved in organic solvents such as methanol, ethanol, benzene, esters and the like, but is not dissolved in water. The two-step precipitation method is adopted in the existing polyvinyl butyral (PVB) industrial production in China, and comprises the steps of adding an emulsifier to prepare a PVA aqueous solution, reducing the temperature, adding an acid catalyst and butyraldehyde, and then heating to carry out acetalation reaction. Carrying out homogeneous condensation reaction at the initial stage of the reaction, when the reaction reaches a certain degree, phase change occurs in the system, and a product is separated out from the solution in the form of precipitate and suspended in the solution to continue the reaction, and then the reaction is changed into heterogeneous condensation reaction; and after the condensation reaction is finished, washing with water, adding alkali for regulation, and carrying out stabilization treatment to obtain the powdery PVB resin.

In the PVB industrial washing process, a large amount of water is generally consumed to wash away inorganic acids and impurities contained in PVB, and water used in the PVB washing apparatus is mainly primary pure water and needs to be heated to a certain temperature, which causes waste of water resources and energy. The waste water after the former washing has more impurities and can not be recycled, but the water after the latter washing can be completely recycled after simple treatment. Therefore, it is very necessary to design a novel water-saving PVB water washing device.

Chinese patent (application number 201921827554.3) discloses a PVB resin powder production washing technology water saving fixtures, including washing cauldron, washing cauldron upper end is equipped with the gas outlet, gas outlet department is equipped with the subassembly of bleeding, washing cauldron lower extreme is equipped with the outlet pipe, washing cauldron outside is equipped with vibration subassembly and circulation subassembly, the vibration subassembly rigid coupling is on washing cauldron lateral wall, the inside top rigid coupling of washing cauldron has first filtering component, the circulation subassembly includes circulation groove, circulating pump and second filtering component. The vibration component, the air exhaust component and the first filtering component are utilized to realize the full adsorption of the n-butyraldehyde; utilize the second filtering component, can realize the absorption to organic matter, the water after will handling recycles the washing cauldron through the drive of circulating pump in, can realize energy-conserving water conservation's effect, reduction in production cost improves the benefit. The patent has the problems that: the structure is more complicated, and the energy consumption is larger.

Chinese patent (application number 201620308824. X) discloses a PVB resin washing kettle, including spiral filtrate pipe, the washing kettle body, shower, (mixing) shaft and level sensor, the internal (mixing) shaft that is equipped with of washing kettle, the washing kettle body coupling motor extends on the (mixing) shaft, the welding of (mixing) shaft bottom has the puddler, equidistant welding has a plurality of broken swoves on the (mixing) shaft of puddler top, be fixed with spiral filtrate pipe on the internal wall of washing kettle, the drain pipe is connected to spiral filtrate pipe bottom, be connected with the filler pipe on the washing kettle body lateral wall, washing kettle body top is connected with edulcoration agent interpolation pipe, edulcoration agent interpolation union coupling shower, install level sensor on the washing kettle body, a PVB resin washing kettle has improved the crushing ability to the material greatly for intensive mixing between the material has accelerated washing speed and quality, realizes the even interpolation of edulcoration agent, is favorable to the separation of impurity, reaches fine effect of filtering the material, improves the quality of material. The patent has the problems that: the internal spiral pipeline is too complex and is difficult to clean and maintain, the use volume in the washing kettle is reduced, and no water treatment system is arranged, so that the waste of water resources is caused.

Consequently, how to design a PVB washing equipment, avoid because the edulcoration agent adds the inhomogeneous incomplete problem of edulcoration that arouses, avoid because of the incomplete residual problem that arouses of washing, avoid the washing difficulty problem that causes because of the PVB of caking, avoid the extravagant problem because of using the production of a large amount of water, realize low energy consumption, low waste, solve the problem that PVB washing difficulty. This is a technical problem to be solved in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that prior art exists, provide a PVB washing equipment, can improve PVB washing quality, again can water economy resource and energy consumption, and simple structure, and the running cost is lower.

The utility model aims at realizing through the following technical scheme:

the utility model provides a PVB washing equipment, includes washing cauldron, pipeline and circulating pump, the upper portion of washing cauldron sets up gas vent and feed inlet, the bottom of washing cauldron sets up the discharge gate, and its characterized in that still includes mixing arrangement and water treatment facilities, mixing arrangement passes through a tube coupling spray set, spray set follows the top surface of washing cauldron stretches into wherein, the bottom of washing cauldron pass through water drainage pipe with water inlet on the water treatment facilities is connected, set up the valve on the water drainage pipe, the last delivery port of water treatment facilities pass through water inlet pipe with the mixing arrangement intercommunication, set up on the water inlet pipe the circulating pump, set up stirring reducing mechanism on the bottom in the washing cauldron.

The improvement of the technical scheme is as follows: a pure water storage tank and an impurity removing agent storage tank are respectively communicated with the mixing device through pipelines.

The technical scheme is further improved: still include control system and steam production device, steam production device is used and produces steam, stirring reducing mechanism includes stirring rake and the blade that sets up on porous sleeve pipe, the below of washing cauldron sets up actuating mechanism for the drive porous sleeve pipe rotates, actuating mechanism's control end with control system connects, steam production device pass through the steam conduit with porous sheathed tube lower extreme forms swing joint, porous sheathed tube lateral wall sets up a plurality of air vents, be used for with the bubble that steam production device produced from therefrom emits.

The technical scheme is further improved as follows: the valve comprises a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve, a three-way pipe is connected to a water drainage pipeline between the washing kettle and the water treatment device, the first electromagnetic valve is arranged on the water drainage pipeline connected with a first port in the three-way pipe and the washing kettle, the second electromagnetic valve is arranged on the water drainage pipeline connected with a second port in the three-way pipe and the water treatment device, the third electromagnetic valve is arranged on a third port in the three-way pipe, and control ends of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all connected with the control system.

The technical scheme is further improved as follows: and a filter screen is arranged on a water drainage pipeline between a first port in the three-way pipe and the water treatment device.

The technical scheme is further improved: and a detection device is arranged in the washing kettle, and the detection device is connected with the control system and used for detecting the water level and the pH value in the washing kettle.

The technical scheme is further improved: the control system is arranged at the bottom of the washing kettle; and a support is arranged at the bottom of the washing kettle.

The utility model discloses an advantage is with positive effect:

1. the utility model avoids the problem of subsequent production caused by incomplete cleaning of PVB particles;

2. the utility model avoids the problems of water resource waste and energy waste caused by using a large amount of water for washing;

3. the utility model realizes the efficient impurity removal, crushing and cleaning of PVB by adjusting and innovating the washing kettle device;

4. the utility model discloses introduce intelligent management's control system, reduce the cost of labor.

Drawings

FIG. 1 is a schematic view of a connection structure of a PVB washing apparatus according to the present invention;

fig. 2 is a schematic block diagram of a control system in a PVB water washing apparatus of the present invention.

The numbering in the figure is: 1-an impurity removing agent storage tank, 2-a pure water storage tank, 3-a mixing device, 4-an exhaust port, 5-a spraying device, 6-a feed port, 7-a detection device, 8-a stirring paddle, 9-a blade, 10-a porous sleeve, 11-a steam generation device, 12-a driving motor, 13-a discharge port, 14-a circulating pump, 15-a water treatment device, 16-a filter screen, 17-a first electromagnetic valve, 18-a second electromagnetic valve, 19-a third electromagnetic valve, 20-a water washing kettle and 21-a control system.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

referring to fig. 1 and 2, the utility model relates to an embodiment of a PVB water washing device, including washing cauldron 20, pipeline and circulating pump 14, set up gas vent 4 and feed inlet 6 on washing cauldron 20's upper portion, set up discharge gate 13 in washing cauldron 20's bottom. The device also comprises a mixing device 3 and a water treatment device 15, wherein the mixing device 3 is connected with a spraying device 5 through a pipeline, and the spraying device 5 extends into the washing kettle 20 from the top surface thereof. The bottom of washing cauldron 20 is passed through the water inlet that drain line and water treatment facilities 15 were last and is connected, set up the valve on the drain line, water outlet on the water treatment facilities 15 passes through water intake pipe and 3 intercommunications of mixing arrangement, set up circulating pump 14 on the water intake pipe, set up stirring reducing mechanism on the bottom in washing cauldron 20.

In order to conveniently and evenly add pure water and edulcoration agent in mixing arrangement 3, set up pure water storage tank 2 and edulcoration agent storage tank 1 in 3 one sides of mixing arrangement, pure water storage tank 2 and edulcoration agent storage tank 1 communicate with mixing arrangement 3 respectively through the pipeline.

Further, the device comprises a control system 21 and a steam generating device 11, wherein the steam generating device 11 is used for generating steam, the stirring and crushing device comprises a porous sleeve 10, a stirring paddle 8 and a blade 9 which are arranged on the porous sleeve 10, a driving mechanism is arranged below the washing kettle 20 and used for driving the porous sleeve 10 to rotate, and the control end of the driving mechanism is connected with the control system 21. Preferably, the driving mechanism can adopt a driving motor 12 and a transmission mechanism, the driving motor 12 drives the porous sleeve 10 to rotate through the transmission mechanism, and a control end of the driving motor 12 is connected with the control system 21. The steam generating device 11 is movably connected with the lower end of the porous sleeve 10 through a steam pipeline, and the side wall of the porous sleeve 10 is provided with a plurality of vent holes for allowing bubbles generated by the steam generating device 11 to emerge from the vent holes.

Still further, the above-mentioned valves include a first electromagnetic valve 17, a second electromagnetic valve 18 and a third electromagnetic valve 19, a filter screen 16 and a three-way pipe are connected on the water discharge pipeline between the water washing kettle 20 and the water treatment device 15, the first electromagnetic valve 17 is arranged on the water discharge pipeline where the first port in the three-way pipe is connected with the water washing kettle 20, the second electromagnetic valve 18 is arranged on the water discharge pipeline where the second port in the three-way pipe is connected with the water treatment device 15, the third electromagnetic valve 19 is arranged on the third port in the three-way pipe, and the control ends of the first electromagnetic valve 17, the second electromagnetic valve 18, the third electromagnetic valve 19 and the circulating pump 14 are all connected with a control system 21.

Still further, in order to prevent PVB particles from entering the drain line and the water treatment device 15, a filter screen 16 is provided in the drain line between the first port in the tee pipe and the water treatment device 15.

Still further, in order to feed back the water level height and the pH value in the washing kettle 20 to the control system 21 in real time, the detection device 7 is arranged in the washing kettle 20, the detection device 7 is connected with the control system 21, and the detection device 7 comprises a water level meter and a pH value detector for detecting the water level and the pH value in the washing kettle 20.

Preferably, the control system 21 is disposed at the bottom of the water washing kettle 20; a support is arranged on the bottom of the water washing kettle 20.

During the use, when treating during the PVB granule of washing drops into washing cauldron 20, control system 21 responds, spray set 5 will be by mixing arrangement 3 mixed edulcoration agent and water evenly spout washing cauldron 20 simultaneously, stirring rake 8 and blade 9 begin the work rotation, the PVB granule that will drop into carries out breakage and stirring washing, the gas that steam generation device 11 produced simultaneously discharges to the washing cauldron through the aperture on the porous sleeve pipe 10 in, the small bubble contacts with PVB granule and water, increase the efficiency of washing. The stirring paddle 8 comprises a plurality of stirring blades, PVB particles can be fully stirred, and the blades 9 can break large particles of PVB through rotation. The stirring paddle 8 and the blade 9 are matched with small bubbles, so that more thorough cleaning of PVB can be realized.

Unnecessary gas in the washing cauldron 2 can be discharged through gas vent 4 of top, reaches the washing requirement after, the PVB granule after the washing is accomplished can discharge next production and processing process through discharge gate 13. When the waste water of the previous washing is discharged, the first electromagnetic valve 17 and the third electromagnetic valve 19 are opened simultaneously to discharge the waste water; in the latter water washing, when the first electromagnetic valve 17 and the second electromagnetic valve 18 are opened simultaneously at the time of water discharge, the waste water can be discharged into the water treatment apparatus 15, and the circulation pump 14 is installed above the water treatment apparatus 15 and connected to the mixing apparatus 3. After the waste water is simply treated, the purified water can be added into the mixing device 3 again through the circulating pump 14 for use. Because the waste water of washing several times later is collected and simply treated by the water treatment device 15 to be put into use again, a large amount of water resources can be saved.

The paddle 8 and blade 9 may be adjusted in rotation speed by a control system 21. The detection device 7 can feed back the water level and the pH value in the water washing kettle 20 to the control system 21 in real time.

The utility model discloses can realize in step PVB granule edulcoration, breakage, washing.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made within the scope of the present invention shall also belong to the protection scope of the present invention.

Claims

1. The utility model provides a PVB washing equipment, includes washing cauldron, pipeline and circulating pump, the upper portion of washing cauldron sets up gas vent and feed inlet, the bottom of washing cauldron sets up the discharge gate, and its characterized in that still includes mixing arrangement and water treatment facilities, mixing arrangement passes through a tube coupling spray set, spray set follows the top surface of washing cauldron stretches into wherein, the bottom of washing cauldron pass through water drainage pipe with water inlet on the water treatment facilities is connected, set up the valve on the water drainage pipe, the last delivery port of water treatment facilities pass through water inlet pipe with the mixing arrangement intercommunication, set up on the water inlet pipe the circulating pump, set up stirring reducing mechanism on the bottom in the washing cauldron.

2. A PVB water washing apparatus as defined in claim 1 wherein a pure water tank and an impurity removing agent tank are respectively connected to said mixing device via pipes.

3. The PVB washing apparatus of claim 1 or 2, further comprising a control system and a steam generating device, wherein the steam generating device is configured to generate steam, the stirring and pulverizing device comprises a porous sleeve, and a stirring paddle and a blade that are disposed on the porous sleeve, a driving mechanism is disposed below the washing kettle and configured to drive the porous sleeve to rotate, a control end of the driving mechanism is connected to the control system, the steam generating device is movably connected to a lower end of the porous sleeve through a steam pipeline, and a plurality of vent holes are disposed on a side wall of the porous sleeve and configured to allow bubbles generated by the steam generating device to emerge therefrom.

4. The PVB washing equipment of claim 3, wherein the valve comprises a first solenoid valve, a second solenoid valve and a third solenoid valve, a three-way pipe is connected to the water drainage pipeline between the washing kettle and the water treatment device, the first solenoid valve is arranged on the water drainage pipeline connecting the first port of the three-way pipe and the washing kettle, the second solenoid valve is arranged on the water drainage pipeline connecting the second port of the three-way pipe and the water treatment device, the third solenoid valve is arranged on the third port of the three-way pipe, and control ends of the first solenoid valve, the second solenoid valve and the third solenoid valve are all connected with the control system.

5. The PVB water washing apparatus of claim 4, wherein a filter screen is disposed on the water drainage line between the first port in the tee and the water treatment device.

6. The PVB washing apparatus of claim 3, wherein a detection device is disposed in the washing kettle, and the detection device is connected to the control system for detecting the water level and the pH value therein.

7. The PVB washing apparatus of claim 5, wherein a detection device is disposed in the washing kettle, and the detection device is connected to the control system for detecting a water level and a pH value therein.

8. A PVB water washing apparatus according to claim 3, wherein said control system is disposed at the bottom of said water washing kettle; and a support is arranged at the bottom of the washing kettle.

9. A PVB water washing apparatus according to claim 7, wherein the control system is disposed at the bottom of the water washing tank; and a support is arranged at the bottom of the washing kettle.