CN112092236A - Resin pretreatment device and method - Google Patents
Resin pretreatment device and method Download PDFInfo
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- CN112092236A CN112092236A CN202010373449.8A CN202010373449A CN112092236A CN 112092236 A CN112092236 A CN 112092236A CN 202010373449 A CN202010373449 A CN 202010373449A CN 112092236 A CN112092236 A CN 112092236A
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- resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; rubber; leather
- G01N33/442—Resins, plastics
Abstract
The invention discloses a resin pretreatment device and a method, wherein the resin pretreatment device comprises a pretreatment medium storage unit, a resin treatment unit, a sampling detection unit, a waste liquid recovery unit and a driving unit; the pretreatment medium storage unit, the resin treatment unit and the waste liquid recovery unit are sequentially connected through pipelines; a pretreatment medium storage unit for storing a pretreatment medium; a resin treatment unit for pretreating the resin therein by the flowing pretreatment medium; the sampling detection unit is used for monitoring and collecting various parameter indexes required by resin pretreatment; and the driving unit is used for driving the pretreatment medium in the pretreatment medium storage unit to flow through the resin treatment unit along the pipeline and return to the waste liquid recovery unit. The invention can realize the automatic pretreatment of the resin products for the space station, can monitor various parameter indexes required by the resin pretreatment on line, can effectively improve the efficiency and the reliability of the resin pretreatment, and simultaneously saves the cost of human resources.
Description
Technical Field
The invention belongs to the technical field of material treatment, and particularly relates to a pretreatment device and a pretreatment method for resin.
Background
In manned space products, particularly space stations, different types of resins are needed in the processes of preparation and circulating treatment of reclaimed water, the resins have the characteristics of high index precision and small batch requirement at a single time, and the resins for the space stations have special performance and need to be pretreated in a ground state. The effect of resin pretreatment plays a decisive role in the service performance of the resin, and the service life of the resin for the space station belongs to an unmeasurable item, so that the pretreatment process of the resin for the space station is extremely critical.
At present, a pretreatment device special for the pretreatment requirement of resin for a space station is not available, the conventional treatment method is a repeated process of soaking, washing and soaking resin in a water tank by using a pretreatment medium, off-line sampling and testing are carried out on the cleaning medium at set intervals to preliminarily judge the cleaning effect, and then the pretreatment effect is judged according to the test and analysis results.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a pretreatment device and a pretreatment method which can reduce manual intervention in a pretreatment process, improve treatment efficiency and reliability and meet the pretreatment requirement of resin for a space station.
The first aspect of the present invention provides a resin pretreatment device, comprising a pretreatment medium storage unit, a resin treatment unit, a sampling detection unit, a waste liquid recovery unit, and a drive unit; the pretreatment medium storage unit, the resin treatment unit and the waste liquid recovery unit are sequentially connected through pipelines;
the pretreatment medium storage unit is used for storing a pretreatment medium;
the resin treatment unit is used for pretreating the resin in the resin treatment unit through the flowing pretreatment medium;
the sampling detection unit is used for monitoring and collecting various parameter indexes required by resin pretreatment;
the driving unit is used for driving the pretreatment medium in the pretreatment medium storage unit to flow through the resin treatment unit along the pipeline and return to the waste liquid recovery unit;
and the waste liquid recovery unit is used for recovering the waste liquid flowing out after being treated by the resin treatment unit.
Further, the driving unit is a peristaltic pump.
Further, the resin pretreatment device further comprises a cabinet, and the pretreatment medium storage unit, the resin treatment unit, the sampling detection unit, the waste liquid recovery unit, the drive unit and the pipeline are integrated in the cabinet.
Further, the sampling detection unit comprises a temperature sensor, a PH meter and a conductivity meter;
the temperature sensor is used for monitoring the temperature of liquid in the resin processing unit;
the PH meter is used for detecting the PH value of the liquid flowing out after the resin treatment unit is used for treating;
and the conductivity meter is used for detecting the conductivity of the liquid flowing out after the resin treatment unit is used for treating.
Further, a flow rate adjusting unit and a sampling detection flow control unit are arranged on the pipeline;
the flow rate adjusting unit is used for adjusting the flow rate of the pretreatment medium passing through the resin treatment unit;
and the sampling detection flow control unit is used for controlling the on-off of the pipeline where the conductivity meter and the PH meter are located.
Further, the flow rate adjusting unit includes an adjusting valve provided on a first pipe between the pretreatment medium storage unit and the resin treatment unit, and a first electromagnetic valve provided on a second pipe between the resin treatment unit and the waste liquid recovery unit.
Further, the sampling detection flow control unit comprises a second solenoid valve and a third solenoid valve, the PH meter is connected in parallel with the second pipeline through a first branch, the conductivity meter is connected in parallel with the second pipeline through a second branch, the second solenoid valve is arranged on the first branch at the liquid inflow side of the PH meter, and the third solenoid valve is arranged on the second branch at the liquid inflow side of the conductivity meter.
Further, be provided with the flowmeter on the first pipeline, on the first branch road the liquid outflow side of PH appearance is provided with first check valve, on the second branch road the liquid outflow side of conductometer is provided with the second check valve.
Further, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the first check valve and the second check valve are made of polytetrafluoroethylene materials with liquid contact points.
Another aspect of the present invention is to provide a resin pretreatment method, comprising the steps of:
1) putting ultrapure water into the pretreatment medium storage unit, and flushing the flow channel;
2) placing the pretreatment medium into the pretreatment medium storage unit, and placing resin into the resin treatment unit;
3) controlling the driving unit to work, and adjusting the temperature of the pretreatment medium and the flow rate in the pipeline to a preset range;
4) sampling the PH value and the conductivity of the tail liquid at preset intervals by using the sampling detection unit;
5) and controlling the resin pretreatment device to stop working when the pH value and the conductivity of the sample reach the preset standards.
The resin pretreatment device can realize the automatic pretreatment of resin products for a space station, can realize the on-line monitoring of various parameter indexes required by the resin pretreatment, can effectively improve the efficiency and reliability of the resin pretreatment, and simultaneously saves the cost of human resources. The device has been practically verified in resin transformation pretreatment for partial subsystems of the space station, and is gradually popularized to a wider variety of resin pretreatment works for the space station.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
FIG. 1 is a schematic view of a resin pretreatment apparatus of the present invention;
FIG. 2 is a schematic view of the structure of a resin pretreatment apparatus according to the present invention;
FIG. 3 is a schematic view of the operation of the resin pretreatment apparatus of the present invention;
FIG. 4 is a schematic flow chart of the resin pretreatment method of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
As shown in fig. 1, the resin pretreatment device of the present invention includes a pretreatment medium storage unit 11, a resin treatment unit 12, a sampling detection unit, a waste liquid recovery unit 13, and a drive unit 14; the pretreatment medium storage unit 11, the resin treatment unit 12 and the waste liquid recovery unit 13 are connected in sequence through pipelines;
the pretreatment medium storage unit 11 is used for storing a pretreatment medium and providing the pretreatment medium for the device when the device works, and the box body is made of an acid and alkali corrosion resistant material such as glass as the medium may be acid liquor, ultrapure water and the like.
The resin treatment unit 12 is provided with resin to be treated, and the resin to be treated is placed in the resin treatment unit 12 and is used for pre-treating the resin in the resin by flowing through a pre-treatment medium.
The sampling detection unit is used for monitoring and collecting various parameter indexes required by resin pretreatment, such as indexes of monitoring temperature change of liquid in the resin pretreatment device, conductivity and PH value of treated tail liquid and the like.
The driving unit 14 is configured to drive the pretreatment medium in the pretreatment medium storage unit 11 to flow through the resin treatment unit 12 along the pipeline and return to the waste liquid recovery unit 13.
The waste liquid recovery unit 13 is used for recovering the waste liquid flowing out after being treated by the resin treatment unit 12, and meets the special storage and treatment requirements of the chemical tail liquid.
The pretreatment medium storage unit, the resin treatment unit, the sampling detection unit, the pipeline circulation system and the like are integrated together, so that the automation of the resin treatment process is realized, the manual intervention is reduced, the efficiency and the reliability are improved, the pretreatment medium is sampled and interpreted in an online manner, and the pretreatment effect of the resin is judged according to the sampling result, so that the pretreated resin can meet the pretreatment requirement of the resin for a space station.
Optionally, the driving unit 14 is a peristaltic pump, the peristaltic pump is based on the working principle that the rubber hose is intermittently extruded and rebounded to promote liquid to flow, the peristaltic pump has good chemical resistance, the liquid flowing through the peristaltic pump and the peristaltic pump are in a non-contact working mode, no risk of introducing redundancy is caused, and the resin pretreatment effect can be further improved. In the present embodiment, the peristaltic pump is disposed on the pipeline between the pretreatment-medium storage unit 11 and the resin treatment unit 12, however, the position of the peristaltic pump disposed on the pipeline may be selected according to the actual situation, and the present invention is not limited thereto.
Optionally, the sampling detection unit includes a temperature sensor 21, a PH meter 22 and a conductivity meter 23; the temperature sensor 21 for monitoring the temperature of the liquid in the resin processing unit 12; the pH meter 22 is used for detecting the pH value of the liquid flowing out after the resin treatment unit 12 is used for treating; the conductivity meter 23 is used for detecting the conductivity of the liquid flowing out after the resin processing unit 12 processes the liquid.
Optionally, a flow rate adjusting unit and a sampling detection flow control unit are arranged on the pipeline;
the flow rate adjusting unit is used for adjusting the flow rate of the pretreatment medium passing through the resin treatment unit 12 so as to control the flow rate of the pretreatment medium in the resin treatment unit 12;
the sampling detection flow control unit is used for controlling the on-off of the pipeline where the conductivity meter 23 and the PH meter 22 are located, and whether to monitor the conductivity and the PH value can be selected by controlling the on-off of the pipeline where the conductivity meter 23 and the PH meter 22 are located.
Alternatively, the flow rate adjusting unit includes an adjusting valve 31 and a first electromagnetic valve 32, the adjusting valve 31 is disposed on the first pipe 15 between the pretreatment medium storage unit 11 and the resin treatment unit 12, and the first electromagnetic valve 32 is disposed on the second pipe 163 between the resin treatment unit 12 and the waste liquid recovery unit 13. It should be noted that the flow rate of the pretreatment medium in the resin treatment unit 12 is not limited to be controlled in this manner, and may be controlled by the pipe diameter size, for example, the pipe diameter of the first pipe 15 upstream of the resin treatment unit 12 is set larger than the pipe diameter of the second pipe 16 downstream of the resin treatment unit 12.
Optionally, the sampling detection flow control unit includes a second solenoid valve 33 and a third solenoid valve 34, the PH meter 22 is connected in parallel with the second pipeline 16 through a first branch, the conductivity meter 23 is connected in parallel with the second pipeline 16 through a second branch, the second solenoid valve 33 is disposed on the first branch at a liquid inflow side of the PH meter 22, and the third solenoid valve 34 is disposed on the second branch at a liquid inflow side of the conductivity meter 23.
Optionally, a flow meter is disposed on the first pipeline 15 so as to facilitate viewing of the flow rate of the liquid in the pipeline, the nature of the pretreatment of the resin is a chemical reaction process, and the flow rate of the pretreatment medium has a direct influence on the reaction speed and effect, so that the resin pretreatment device needs to perform flow control, and the flow meter can perform accurate monitoring and feedback on the flow rate of the pretreatment medium in the device so as to adjust and control the adjustment valve 31. The liquid outflow side of the PH meter 22 on the first branch is provided with a first check valve 36, and the liquid outflow side of the conductivity meter 23 on the second branch is provided with a second check valve 37, so that the monitoring results of the PH value and the conductivity are prevented from being influenced by the backflow of the liquid flowing out of the PH meter 22 and the conductivity meter 23.
Optionally, the first solenoid valve 32, the second solenoid valve 33, the third solenoid valve 34, the first check valve 36 and the second check valve 37 are made of teflon, so as to avoid contamination of the pretreatment agent due to valve reasons, and thus detection of the tail liquid cannot reach the standard. The pipeline is a flexible pipe made of polyurethane material, and the drift diameter is DN 8; the mechanical interfaces are all quick-insertion sealing structures (except non-standard parts), and the non-standard parts are made of polytetrafluoroethylene.
As shown in fig. 2, the resin pretreatment device further includes a cabinet 1, the pretreatment medium storage unit 11, the resin treatment unit 12, the sampling detection unit, the waste liquid recovery unit 13, the driving unit 14, and the pipeline are integrated in the cabinet 1, and the bottom of the cabinet 1 is provided with lockable wheels, so that the device can be moved and used conveniently. The cabinet 1 is also optionally integrated with a display instrument 5 for displaying various indexes to be monitored in the pretreatment process, and a control device 4 for controlling the operation and stop of pumps, electromagnetic valves and the like.
In order to make the working principle of the resin pretreatment apparatus of the present invention more clearly understood by those skilled in the art, the working flow of the resin pretreatment apparatus will now be described with reference to fig. 3 as follows:
a) preparation work: firstly, a small amount of ultrapure water (5-10 liters) is put into a pretreatment medium box, and the equipment is electrified to run to flush a flow channel;
preparing a pretreatment medium, wherein the pretreatment medium is a solution, and different configurations are carried out according to different resins to be treated.
b) Locking position: the device is movable, and the casters of the device are locked before working, so that the conditions of slippage and the like are avoided.
c) Resin addition: the resin is placed in a resin processor within the apparatus.
d) Powering on the device: and powering on the equipment, checking whether the initial value of each sensor is normal, and confirming the set parameters such as flow and the like.
e) The pump works: the pump is turned on and the monitoring is made to see if the liquid flow rate is normal.
f) And (3) temperature detection: and monitoring the temperature value of the pretreatment medium to see whether the temperature value is within an allowable range, and if the temperature value exceeds the allowable range of the technical requirement of resin pretreatment, heating or cooling the pretreatment medium.
g) And (3) adjusting the flow rate: the electromagnetic valve and the regulating valve 31 are adjusted to adjust the flow rate of the liquid within the allowable range (5L/min-10L/min)
h) And (3) resin state inspection: to see that the resin in the resin processor should be totally submerged in the liquid surface, if an abnormality occurs, the device may be gently shaken to expel the larger bubbles out of the resin processor.
i) Index presetting: the pretreatment washing time and the flushing index can be set, and when the pretreatment required value is reached, the system closes the valves of the pump, the electromagnetic valve and the regulating valve 31.
j) Sampling: sampling the pH value and conductivity of the tail liquid at certain intervals (5-8 min).
k) And (3) storage: and storing the pretreated resin for a short time.
As shown in fig. 4, the resin pretreatment method of the present invention comprises the steps of:
s11: putting ultrapure water into the pretreatment medium storage unit, and flushing the flow channel;
s12: placing the pretreatment medium into the pretreatment medium storage unit, and placing resin into the resin treatment unit;
s13: controlling the driving unit to work, and adjusting the temperature of the pretreatment medium and the flow rate in the pipeline to a preset range;
s14: sampling the PH value and the conductivity of the tail liquid at preset intervals by using the sampling detection unit;
s15: and controlling the resin pretreatment device to stop working when the pH value and the conductivity of the sample reach the preset standards.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A resin pretreatment device is characterized by comprising a pretreatment medium storage unit, a resin treatment unit, a sampling detection unit, a waste liquid recovery unit and a driving unit; the pretreatment medium storage unit, the resin treatment unit and the waste liquid recovery unit are sequentially connected through pipelines;
the pretreatment medium storage unit is used for storing a pretreatment medium;
the resin treatment unit is used for pretreating the resin in the resin treatment unit through the flowing pretreatment medium;
the sampling detection unit is used for monitoring and collecting various parameter indexes required by resin pretreatment;
the driving unit is used for driving the pretreatment medium in the pretreatment medium storage unit to flow through the resin treatment unit along the pipeline and return to the waste liquid recovery unit;
and the waste liquid recovery unit is used for recovering the waste liquid flowing out after being treated by the resin treatment unit.
2. The resin pretreatment apparatus of claim 1, wherein the drive unit is a peristaltic pump.
3. The resin pretreatment apparatus according to claim 1, further comprising a cabinet in which the pretreatment medium storage unit, the resin treatment unit, the sampling detection unit, the waste liquid recovery unit, the drive unit, and the piping are integrated.
4. The resin pretreatment apparatus according to claim 1, wherein said sampling detection unit comprises a temperature sensor, a PH meter and a conductivity meter;
the temperature sensor is used for monitoring the temperature of liquid in the resin processing unit;
the PH meter is used for detecting the PH value of the liquid flowing out after the resin treatment unit is used for treating;
and the conductivity meter is used for detecting the conductivity of the liquid flowing out after the resin treatment unit is used for treating.
5. The resin pretreatment device according to claim 4, wherein a flow rate regulation unit and a sampling detection flow control unit are provided on the pipe;
the flow rate adjusting unit is used for adjusting the flow rate of the pretreatment medium passing through the resin treatment unit;
and the sampling detection flow control unit is used for controlling the on-off of the pipeline where the conductivity meter and the PH meter are located.
6. The resin pretreatment device according to claim 5, wherein the flow rate regulation unit includes a regulation valve provided on a first pipe between the pretreatment medium storage unit and the resin treatment unit, and a first solenoid valve provided on a second pipe between the resin treatment unit and the waste liquid recovery unit.
7. The resin pretreatment apparatus according to claim 6, wherein said sampling detection flow control unit comprises a second solenoid valve and a third solenoid valve, said PH meter is connected in parallel to said second line through a first branch, said conductivity meter is connected in parallel to said second line through a second branch, said second solenoid valve is provided on said first branch on a liquid inflow side of said PH meter, and said third solenoid valve is provided on said second branch on a liquid inflow side of said conductivity meter.
8. The resin pretreatment device according to claim 7, wherein a flow meter is provided in said first line, a first check valve is provided in said first branch on a liquid outflow side of said PH meter, and a second check valve is provided in said second branch on a liquid outflow side of said conductivity meter.
9. The resin pretreatment apparatus according to claim 8, wherein the first solenoid valve, the second solenoid valve, the third solenoid valve, the first check valve, and the second check valve are made of a polytetrafluoroethylene material at a point of liquid contact.
10. A resin pretreatment method characterized by using the resin pretreatment apparatus according to any one of claims 1 to 9, comprising the steps of:
1) putting ultrapure water into the pretreatment medium storage unit, and flushing the flow channel;
2) placing the pretreatment medium into the pretreatment medium storage unit, and placing resin into the resin treatment unit;
3) controlling the driving unit to work, and adjusting the temperature of the pretreatment medium and the flow rate in the pipeline to a preset range;
4) sampling the PH value and the conductivity of the tail liquid at preset intervals by using the sampling detection unit;
5) and controlling the resin pretreatment device to stop working when the pH value and the conductivity of the sample reach the preset standards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373449.8A CN112092236A (en) | 2020-05-06 | 2020-05-06 | Resin pretreatment device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010373449.8A CN112092236A (en) | 2020-05-06 | 2020-05-06 | Resin pretreatment device and method |
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| CN112092236A true CN112092236A (en) | 2020-12-18 |
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| CN202010373449.8A Pending CN112092236A (en) | 2020-05-06 | 2020-05-06 | Resin pretreatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887611A (en) * | 2022-05-30 | 2022-08-12 | 江苏恰瑞生物科技有限公司 | Resin pretreatment device for blood purification |
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| CN103230892A (en) * | 2013-04-07 | 2013-08-07 | 北京工业大学 | Self-cleaning system for hydrophilicity and hydrophobicity analysis resin and cleaning method |
| CN205570895U (en) * | 2016-04-12 | 2016-09-14 | 新疆天驼生物科技开发有限公司 | A automatic cleaning system for among camel milk power manufacturing process |
| CN208879206U (en) * | 2018-08-23 | 2019-05-21 | 昆山欣谷微电子材料有限公司 | A kind of resin cleaning equipment |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001129493A (en) * | 1999-11-04 | 2001-05-15 | Dainippon Screen Mfg Co Ltd | Method for treating substrate and device therefor |
| CN102702569A (en) * | 2012-05-14 | 2012-10-03 | 南通汇羽丰新材料有限公司 | Device and method for recovering polyvinylidene chloride resins from washing liquid wastes for washing resins |
| CN103230892A (en) * | 2013-04-07 | 2013-08-07 | 北京工业大学 | Self-cleaning system for hydrophilicity and hydrophobicity analysis resin and cleaning method |
| CN205570895U (en) * | 2016-04-12 | 2016-09-14 | 新疆天驼生物科技开发有限公司 | A automatic cleaning system for among camel milk power manufacturing process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114887611A (en) * | 2022-05-30 | 2022-08-12 | 江苏恰瑞生物科技有限公司 | Resin pretreatment device for blood purification |
| CN114887611B (en) * | 2022-05-30 | 2023-09-22 | 江苏恰瑞生物科技有限公司 | Resin pretreatment device for blood purification |
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