CN203807772U - Alkali concentration online-monitoring system in pretreatment process of printing and dyeing - Google Patents
Alkali concentration online-monitoring system in pretreatment process of printing and dyeing Download PDFInfo
- Publication number
- CN203807772U CN203807772U CN201420118620.0U CN201420118620U CN203807772U CN 203807772 U CN203807772 U CN 203807772U CN 201420118620 U CN201420118620 U CN 201420118620U CN 203807772 U CN203807772 U CN 203807772U
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- CN
- China
- Prior art keywords
- alkali
- tank
- printing
- pump
- concentration
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- 239000003513 alkali Substances 0.000 title claims abstract description 58
- 238000004043 dyeing Methods 0.000 title claims abstract description 22
- 238000007639 printing Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- KJFMBFZCATUALV-UHFFFAOYSA-N Phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 60
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 30
- 238000005516 engineering process Methods 0.000 claims description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 239000002585 base Substances 0.000 claims description 14
- 230000002378 acidificating Effects 0.000 claims description 7
- 239000006052 feed supplement Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000002572 peristaltic Effects 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000004448 titration Methods 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive Effects 0.000 abstract 1
- 230000005591 charge neutralization Effects 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 230000001264 neutralization Effects 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 230000001502 supplementation Effects 0.000 abstract 1
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 4
- 238000002479 acid--base titration Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010022114 Injury Diseases 0.000 description 1
- 230000003190 augmentative Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The utility model relates to an alkali concentration online-monitoring system in the pretreatment process of printing and dyeing. The alkali concentration online-monitoring system comprises a control box, an alkali water tank, metering pumps, a circulating pump, a concentrated alkaline supplementing pipe and a water replenishing pipe, wherein the alkali water tank, and the circulating pump and the metering pumps form an alkali liquid circulating loop. The alkali concentration detecting device comprises a reaction chamber, a reagent tank filled with acid containing liquid, a phenolphthalein tank filled with phenolphthalein, flow pumps and a pH (potential of hydrogen) detector, wherein the reaction chamber is respectively connected with the reagent tank, the phenolphthalein tank, the alkali liquid circulating loop and a tap water pipe through the flow pumps, and the pH detector is arranged in the reaction chamber. Concentration of alkali liquid is detected by neutralization titration experiment and the pH detector, pH value is fed back to the control box, and the control box accurately controls additive amount of concentration alkali and water through the metering pumps and the flow pumps, therefore, concentration of the alkali liquid can be adjusted, concentration of prepared alkali liquid is accurate and solution is uniform.
Description
Technical field
The utility model relates to dyeing apparatus technical field, particularly the online monitoring method system of alkali concn in a kind of pretreating technology for printing and dyeing.
Background technology
At present, at home in dyeing, for traditional COTTON FABRIC, in order to remove the thickener being stained with in the weaving process of fiber process, improve its gloss and feel, usually adopt alkali lye to process, i.e. " pretreating technology for printing and dyeing ", and in pretreating technology for printing and dyeing, mostly adopt Artificial Control at present, traditional way is to adopt manual titration's method to measure concentration of lye, by with actual process parameter comparison, then add and mend concentrated base or water by the size of Artificial Control valve, until the concentration of alkali lye reaches required concentration.But the existing alkali technology of joining has the following disadvantages: (1) is poor in real time owing to manually joining alkali existence, manual operation error is larger, and add fashionable meeting at aqueous slkali and cause the local overrich of alkaline concentration, aqueous slkali is inhomogeneous, makes the product processed in pretreating technology for printing and dyeing inhomogeneous, unstable product quality, cause the difficult quality guarantee of the product of processing, often cause product rejection or do over again, product percent of pass is low, and processing cost is high.(2) the NaOH solution of selling on present market, Ca(OH) the solubility inaccuracy of the aqueous slkali such as 2 solution, and solution concentration deviation is larger, and owing to also the equipment that does not occur accurately detecting and regulating the concentration of aqueous slkali on market now, therefore can only labor measurement and join alkali, but the sodium hydroxide solution of high concentration is very dangerous in the time of dilution, probably cause personal injury, and dilute with water or while being added into suitable concentration, also be difficult to accurately control the concentration of dilution, this kind of way very easily produces error, cause alkaline concentration inaccuracy, and also need a period of time from being titrated to concentration change, obviously lag behind production process, often therefore have influence on processing quality and reduce operating efficiency.
Utility model content
The purpose of this utility model is to provide that a kind of concentration of lye regulates, preparation accurately, after preparation alkali lye evenly, handling safety, convenience, increase work efficiency, can meet the online monitoring method system of alkali concn in the pretreating technology for printing and dyeing of the demand of people to alkali lye variable concentrations.
The purpose of this utility model is achieved in that
The online monitoring method system of alkali concn in a kind of pretreating technology for printing and dyeing, comprise control cabinet, potass pool, measuring pump, circulating pump, concentrated base feed supplement pipe, filling pipe, described potass pool, circulating pump, measuring pump is connected to form alkali lye closed circuit, it is characterized in that: also comprise alkali concn checkout gear, described alkali concn checkout gear comprises reative cell, the reagent tank of acidic liquid is housed, the phenolphthalein tank of phenolphthalein is housed, flow pump and PH detect meter, described reative cell by flow pump respectively with reagent tank, phenolphthalein tank, alkali lye closed circuit, running water pipe connects, described PH detects to count to be located in reative cell and by the PH numerical value feedback detecting and is given to control cabinet,
The input of described measuring pump is connected with concentrated base feed supplement pipe, and the described flow pump being connected with running water pipe is connected with potass pool by filling pipe.
Acidic liquid in reagent tank of the present utility model, phenolphthalein in phenolphthalein tank, water, alkali lye is to be all transported to and in reative cell, to be carried out acid-base titration reaction by flow pump separately, after reaction, PH detects the PH numerical value of meter detection reaction indoor liquid, then PH detects meter the PH numerical value feedback detecting is given to control cabinet, in control cabinet, carry out a series of analysis and calculation afterwards again to measuring pump, circulating pump, flow pumps etc. send control signal, control the addition of concentrated base and water with this, thereby carry out the concentration of alkali lye in fine adjustment potass pool, make the accuracy rate of preparation concentration of lye out obviously increase.
The utility model can also be done following further improvement.
Also comprise at least one promoter tank that promoter is housed, promoter tank is connected with potass pool by measuring pump, can promote alkali lye to remove better the thickener being stained with in the weaving process of fiber process toward adding promoter in potass pool, improves its gloss and feel.
Described promoter refers to stick with paste pulls out agent and refining agent.
Also comprise 3 promoter tanks, each promoter tank is mixed the measuring pump having alone, each promoter tank passes through measuring pump separately and is connected with potass pool, the utility model controls by three measuring pumps the amount that adds the promoter in alkali lye accurately, thus make the clean thickener of alkali lye ability reach best.
In described potass pool, hydrochloric acid tank, phenolphthalein tank, be equipped with water-level gauge, when the water level that detects when water-level gauge is lower, just can automatic alarm, make whole system out of service, ensure whole system security of operation, stable.
Described measuring pump, circulating pump, flow pump are all electrically connected with control cabinet.
Described flow pump is peristaltic pump.
Acidic liquid in described reagent tank is hydrochloric acid or sulfuric acid.
The beneficial effects of the utility model are:
(1) the utility model is tested with PH and is detected and count the solubility that detects the alkali lye in potass pool by acid-base titration, then PH detects to count the pH value detecting is fed back to control cabinet, pass through measuring pump by control cabinet again, flow pump is accurately controlled the addition that adds concentrated base and water, regulate the concentration of alkali lye with this, thereby regulate the concentration of alkali lye in potass pool, make preparation concentration of lye out accurate, solution is even, can meet " pretreating technology for printing and dyeing " in the dyeing high request to concentration of lye, the utility model can be by the concentration Deviation Control of the aqueous slkali of preparation in 5%.
(2) the utility model can be augmented concentrated base and water by control cabinet control measuring pump and flow pump, without manually joining alkali, easy and safe to operate, and can meet the demand of people to alkali lye variable concentrations.
(3) in addition,, through the circulation stirring of circulating pump, make configuration aqueous slkali out even.
Brief description of the drawings
Fig. 1 is syndeton schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1, as shown in Figure 1, the online monitoring method system of alkali concn in a kind of pretreating technology for printing and dyeing, comprise control cabinet 1, potass pool 4, alkali concn checkout gear, measuring pump 2, circulating pump 3, concentrated base feed supplement pipe 21, 3 promoter tanks 5 and filling pipe 22, described potass pool 4, circulating pump 3, measuring pump is connected to form alkali lye closed circuit, described alkali concn checkout gear comprises four flow pumps 7, 8, 9, 10, reative cell 6, the reagent tank 11 of acidic liquid is housed, phenolphthalein tank 12 and PH that phenolphthalein is housed detect meter 13, four flow pump inputs respectively with reagent tank 11, phenolphthalein tank 12, alkali lye closed circuit, running water pipe 14 connects, four flow delivery side of pumps are all connected with reative cell, described reative cell by flow pump respectively with reagent tank 11, phenolphthalein tank 12, alkali lye closed circuit, running water pipe connects.
Described PH detects to count to be located in reative cell and by the PH numerical value feedback detecting and is given to control cabinet 1.
The input of described measuring pump 2 is connected with concentrated base feed supplement pipe 21, and the described flow delivery side of pump being connected with running water pipe is also connected with potass pool by filling pipe 22.
As the utility model technical scheme more specifically.
Described promoter is to stick with paste to pull out agent and refining agent.
Described each promoter tank 5 is equipped with measuring pump separately, and each promoter tank passes through measuring pump separately and is connected with potass pool, connection parallel with one another between each measuring pump.
Described measuring pump, circulating pump, flow pump are all electrically connected with control cabinet.
In described potass pool, hydrochloric acid tank, phenolphthalein tank, be equipped with water-level gauge, when the water level that detects when water-level gauge is lower, just can automatic alarm, make whole system out of service, ensure whole system security of operation, stable.Described flow pump is peristaltic pump.Acidic liquid in described reagent tank is hydrochloric acid, can certainly sulfuric acid.
The course of work of the present utility model:
While starting working, first utilize flow pump to extract the aqueous slkali in a certain amount of potass pool, hydrochloric acid, phenolphthalein and water in reative cell with carry out acid-base titration and react, after chemical reaction, detect meter with PH and detect its pH value, then PH detects to count the numerical value detecting is fed back to control cabinet, control cabinet is learnt aqueous slkali solubility in this potass pool value lower than default through a series of analysis and calculation, control cabinet sends control signal to measuring pump and flow pump, start to supplement concentrated base and water in aqueous slkali, and accurately enter into the amount of concentrated base and the water of aqueous slkali by measuring pump and flow pump, improve the concentration of aqueous slkali and ensure the accurate of solution concentration with this.Until the concentration of aqueous slkali reaches setting value, measuring pump just stops adding alkali and water toward aqueous slkali.Otherwise, aqueous slkali solubility in control cabinet is learnt this potass pool is during higher than the value of default, control cabinet sends control signal to the flow pump being connected with running water pipe with the measuring pump of concentrated base feed supplement pipe, measuring pump stops adding concentrated base to potass pool, the flow pump being connected with running water pipe increases the flow of water, thereby reduce the concentration of alkali lye in potass pool, until the concentration of aqueous slkali reaches setting value, flow pump just stops adding water toward potass pool.In the adjustment process of the above, PH detects meter and detects the pH value of aqueous slkali in the moment, and the moment numerical value detecting is fed back to control cabinet so that control cabinet can be adjusted strength of adjustment in time.In this alkali lye closed circuit, control cabinet control flow pump adds water (discharge is generally 10-500cc/min) to potass pool, when control cabinet regulates concentration of lye, also control other three measuring pumps and also in aqueous slkali, add a certain amount of promoter, strengthen the ability of the thickener on aqueous slkali removal fiber.
Claims (8)
1. the online monitoring method system of alkali concn in a pretreating technology for printing and dyeing, comprise control cabinet, potass pool, measuring pump, circulating pump, concentrated base feed supplement pipe, filling pipe, described potass pool, circulating pump, measuring pump is connected to form alkali lye closed circuit, it is characterized in that: also comprise alkali concn checkout gear, described alkali concn checkout gear comprises reative cell, the reagent tank of acidic liquid is housed, the phenolphthalein tank of phenolphthalein is housed, flow pump and PH detect meter, described reative cell by flow pump respectively with reagent tank, phenolphthalein tank, alkali lye closed circuit, running water pipe connects, described PH detects to count to be located in reative cell and by the PH numerical value feedback detecting and is given to control cabinet,
The input of described measuring pump is connected with concentrated base feed supplement pipe, and the described flow pump being connected with running water pipe is connected with potass pool by filling pipe.
2. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 1, is characterized in that: also comprise at least one promoter tank that promoter is housed, promoter tank is connected with potass pool by measuring pump.
3. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 2, is characterized in that: described promoter refers to stick with paste pulls out agent and refining agent.
4. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 2, is characterized in that: also comprise 3 promoter tanks, each promoter tank is equipped with measuring pump separately, and each promoter tank is connected with potass pool by measuring pump separately.
5. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 1, is characterized in that: in described potass pool, hydrochloric acid tank, phenolphthalein tank, be equipped with water-level gauge.
6. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 1, is characterized in that: described measuring pump, circulating pump, flow pump are all electrically connected with control cabinet.
7. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 1, is characterized in that: described flow pump is peristaltic pump.
8. the online monitoring method system of alkali concn in pretreating technology for printing and dyeing according to claim 1, is characterized in that: the acidic liquid in described reagent tank is hydrochloric acid or sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118620.0U CN203807772U (en) | 2014-03-17 | 2014-03-17 | Alkali concentration online-monitoring system in pretreatment process of printing and dyeing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118620.0U CN203807772U (en) | 2014-03-17 | 2014-03-17 | Alkali concentration online-monitoring system in pretreatment process of printing and dyeing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807772U true CN203807772U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118620.0U Expired - Fee Related CN203807772U (en) | 2014-03-17 | 2014-03-17 | Alkali concentration online-monitoring system in pretreatment process of printing and dyeing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850074A (en) * | 2014-03-17 | 2014-06-11 | 佛山市金铭机械制造有限公司 | On-line measuring and controlling system for alkali concentration in printing and dyeing pretreatment process |
-
2014
- 2014-03-17 CN CN201420118620.0U patent/CN203807772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850074A (en) * | 2014-03-17 | 2014-06-11 | 佛山市金铭机械制造有限公司 | On-line measuring and controlling system for alkali concentration in printing and dyeing pretreatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN NANHAI DISTRICT MACHINERY MANUFACTURING CO. Free format text: FORMER OWNER: FOSHAN JINMING MACHINERFY MANUFACTURING CO., LTD. Effective date: 20150529 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150529 Address after: 528000, Foshan, Guangdong Province, Nanhai District, Guicheng Province east three continents Industrial Development Zone Patentee after: Foshan Nanhai Hui Tong Machinery Manufacturing Co., Ltd. Address before: Zi Zhen Zhen An Da Dao ring of 528000 cities in Guangdong province Foshan city Chong Industrial District No. H two stars Patentee before: FOSHAN JINMING MACHINERY MANUFACTURING CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150317 |
|
| EXPY | Termination of patent right or utility model |