CN104313931A - Device for diluting and adding caustic soda liquid for waste-paper deinking - Google Patents
Device for diluting and adding caustic soda liquid for waste-paper deinking Download PDFInfo
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- CN104313931A CN104313931A CN201410504158.2A CN201410504158A CN104313931A CN 104313931 A CN104313931 A CN 104313931A CN 201410504158 A CN201410504158 A CN 201410504158A CN 104313931 A CN104313931 A CN 104313931A
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- Prior art keywords
- caustic soda
- liquid
- liquid caustic
- alkali
- deinking
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/833—Flow control by valves, e.g. opening intermittently
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Paper (AREA)
Abstract
The invention provides a device for diluting and adding caustic soda liquid for waste-paper deinking. The device for diluting and adding the caustic soda liquid for the waste-paper deinking comprises a concentrated caustic soda liquid storage tank and a caustic soda liquid adding pump communicated with the concentrated caustic soda liquid storage tank in a fluid form and also comprises caustic soda liquid diluting equipment arranged between the concentrated caustic soda liquid storage tank and the caustic soda liquid adding pump, wherein the caustic soda liquid diluting equipment comprises a water storage tank, a mixer, a caustic soda liquid transferring pump and a diluted caustic soda liquid storage tank; the mixer comprises a liquid inlet and a liquid outlet, and the liquid inlet is communicated with the water storage tank and the concentrated caustic soda liquid storage tank by virtue of a water pipe and a caustic soda liquid pipe in a fluid form respectively; the caustic soda liquid transferring pump is arranged on the caustic soda liquid pipe and used for pumping the concentrated caustic soda liquid in the concentrated caustic soda liquid storage tank to the mixer; the diluted caustic soda liquid storage tank comprises a diluted caustic soda liquid inlet and a diluted caustic soda liquid outlet, wherein the diluted caustic soda liquid inlet is communicated with the liquid outlet of the mixer in a fluid form, and the diluted caustic soda liquid outlet is communicated with the caustic soda liquid adding pump in a fluid form. The device for diluting and adding the caustic soda liquid for the waste-paper deinking has the advantages that the problems that the traditional equipment is corroded and caustic soda liquid is leaked can be solved, cost is reduced, and a deinking effect is improved.
Description
Technical field
the present invention relates to pulp technology for making paper, relate more specifically to a kind of dilution and adding set of deinking liquid caustic soda.
Background technology
deinking line workshop usually use about mass fraction be about 30% liquid caustic soda, but this kind of liquid caustic soda is lower due to concentration, makes the use amount of liquid caustic soda larger, thus causes the cost of transportation of the purchase of liquid caustic soda and use all very high.In order to solve the high problem of cost of transportation, some deinking workshop service property (quality) mark is the liquid caustic soda of about 50%, but liquid caustic soda concentration is higher, and corrosivity is strong, is easy to corrosion liquid caustic soda adding tube road and relevant device, also exists and may cause safe hidden danger because of leakage.In addition, when using denseer liquid caustic soda, because deinking line liquid caustic soda interpolation website is many, (such as) 3 each comfortable diverse locations of interpolation pump add, thus the liquid caustic soda consumption of each website is less than normal, so just cause the flowed fluctuation of liquid caustic soda in pipeline large, especially easily cause the pH value of system unstable, ability and the deinked pulp's quality of deinking concentrator can be affected further.
Summary of the invention
in order to overcome the problems referred to above of the prior art; the invention provides a kind of dilution and adding set of deinking liquid caustic soda; simple and the working stability of this apparatus structure; by automation mechanized operation, liquid caustic soda is diluted; not only reduce the cost of transportation of liquid caustic soda, and make the flow of liquid caustic soda in pipeline more stable, the pH value of system is also more stable; also protect pipeline in addition, ensure that deinking efficiency.
in order to achieve the above object, the technical solution used in the present invention is:
a kind of dilution of deinking liquid caustic soda and adding set, comprise dope alkali accumulator tank and and the liquid caustic soda of dope alkali accumulator tank configured in fluid communication add pump: also comprise be arranged on dope alkali accumulator tank and liquid caustic soda to add between pump and with the liquid caustic soda diluent facilities of their configured in fluid communication respectively, liquid caustic soda diluent facilities comprises:
aqua storage tank, it is for storing the water for diluting the dope alkali in dope alkali accumulator tank;
blender, it comprises inlet and liquid outlet, and inlet and aqua storage tank and dope alkali accumulator tank are respectively by aqueduct and base-conveying pipe road configured in fluid communication;
liquid caustic soda shifting pump, its to be arranged on base-conveying pipe road and with dope alkali accumulator tank and blender configured in fluid communication respectively, for the dope alkali in dope alkali accumulator tank is pumped in blender; And
thin liquid alkali accumulator tank, it comprises thin liquid alkali entrance and the outlet of thin liquid alkali, the liquid outlet configured in fluid communication of thin liquid alkali entrance and blender, and the outlet of thin liquid alkali adds pump configured in fluid communication with liquid caustic soda.
further, aqueduct is provided with first-class gauge and control valve, base-conveying pipe road is also provided with second gauge and ball valve.Control valve is for regulating the water flow velocity in aqueduct, and ball valve can be used to the liquid caustic soda flowing started or stoped in base-conveying pipe road, is convenient to the maintenance etc. to pipeline or liquid caustic soda shifting pump.Ball valve can adopt 316 stainless steels to make.
further, second gauge is arranged on a part of base-conveying pipe road between liquid caustic soda shifting pump and blender, and like this, shown by second gauge is flow from liquid caustic soda shifting pump liquid caustic soda out, and flow indication is more accurate.
preferably, device also comprises flow ratio control system device, itself and first-class gauge, control valve and second gauge are electrically connected respectively, for showing the ratio of the water flow velocity in aqueduct and the dope alkali flow velocity in base-conveying pipe road, and the ratio of the water flow velocity passed through in governor valve control aqueduct and the dope alkali flow velocity in base-conveying pipe road.Particularly, this flow ratio control system device by above-mentioned Ratio control in a particular range, when the dope alkali flow velocity controlled due to liquid caustic soda shifting pump changes, and when causing this ratio to change, water flow velocity in this flow ratio control system device control and regulation valve regulation conveyance conduit correspondingly changes, ensure that ratio is constant in this particular range like this, keep basicly stable with the liquid paper mill wastewater after making the dilution that obtains after blender mixing or in the scope of setting.
more preferably, the ratio of the dope alkali flow velocity in the water flow velocity in aqueduct and base-conveying pipe road is 0.5 ~ 1.
again preferably, the ratio of the dope alkali flow velocity in the water flow velocity in aqueduct and base-conveying pipe road is 0.6 ~ 0.8.
further, aqueduct is also provided with the first check valve, base-conveying pipe road is also provided with the second check valve, check valve can ensure the refluence of fluid, go in case mixed alkali lye flows back in aqua storage tank or liquid caustic soda shifting pump, pollute pipeline, and cause mixed concentration inaccurate.
preferably, this device also comprises liquid level display controller, itself and liquid caustic soda shifting pump and thin liquid alkali accumulator tank are electrically connected respectively, for showing the liquid level of thin liquid alkali in thin liquid alkali accumulator tank, and control the liquid level of thin liquid alkali in thin liquid alkali accumulator tank by liquid caustic soda shifting pump.Particularly, when the liquid level of the thin liquid alkali in thin liquid alkali accumulator tank is too high, this display controller controls liquid caustic soda shifting pump and reduces rotating speed, thus reduce liquid caustic soda flow velocity, and reduce water flow velocity by flow ratio control system device via control valve, reduce the liquid level of thin liquid alkali when ensureing that the ratio of water flow velocity and liquid caustic soda flow velocity is in setting range, when the liquid level of the thin liquid alkali in thin liquid alkali accumulator tank is too high, adjustment process is then contrary to the above.
this liquid caustic soda shifting pump is variable frequency pump, and the flow of liquid caustic soda is controlled by the rotating speed of liquid caustic soda shifting pump, thus realizes the control to the liquid level of thin liquid alkali accumulator tank.
preferably, blender is static mixer.
uncorruptible stainless steel is all adopted to make for the relevant device controlling, transport or store liquid caustic soda in the present invention.
compared with prior art, the present invention has the following advantages: the dilution and the adding set that the invention provides a kind of deinking liquid caustic soda, it by adding liquid caustic soda diluent facilities in existing liquid caustic soda adding set, pass through aqueduct, base-conveying pipe road, and blender etc., the concentration bought or other approach obtain can be approximately 50% even above dope alkali and automatically be diluted to the liquid caustic soda concentration of expectation (such as, about 32% or lower), reduce the liquid caustic soda cost of transportation in deinking workshop, and the flow of liquid caustic soda is more stable, it is more accurate to add, solution ph is more stable, make deinking efficiency better.By using liquid caustic soda dilution deinking line, it is relatively stable that production process controls flow, improves the ability of deinking line concentrator, alleviate Deinking Pulp brightness reversion phenomenon, alleviate liquid caustic soda to the corrosion adding pipeline and equipment simultaneously, stop because liquid caustic soda leaks the potential safety hazard caused.
brief Description Of Drawings
fig. 1 is the adding set of deinking liquid caustic soda of the prior art;
fig. 2 is dilution and the adding set of deinking liquid caustic soda of the present invention.
wherein:
1, dope alkali accumulator tank; 2, liquid caustic soda adds pump; 3, aqua storage tank; 4, blender; 5, aqueduct; 51, first-class gauge; 52, control valve; 53, the first check valve; 6, base-conveying pipe road; 61, second gauge; 62, ball valve; 63, the second check valve; 7, liquid caustic soda shifting pump; 8, thin liquid alkali accumulator tank; 9, flow ratio control system device; 10, liquid level display controller.
Detailed description of the invention
below in conjunction with concrete accompanying drawing, the present invention is described in further detail, so that those skilled in the art can understand the present invention better, thus more explicit defining is made to protection scope of the present invention.
consult Fig. 1, the adding set of deinking liquid caustic soda of the prior art is illustrated in Fig. 1, it comprises liquid caustic soda groove 1 ' and shifting pump 2 ', normally dense liquid caustic soda (such as, concentration is 50% or more) be stored in this liquid caustic soda groove 1 ', by shifting pump 2 ', the dope alkali in liquid caustic soda groove 1 ' is pumped to deinking line and respectively add website, pipeline is also provided with flowmeter and control valve, for showing and control the flow of alkali lye.This liquid caustic soda adding set is fairly simple, direct exactly liquid caustic soda is transferred to interpolation website, after carrying dope alkali for a long time, is very easy to be corroded, and due to liquid caustic soda concentration high, flow is smaller, regulates not accurate, cause system stable not, pH value is unstable, affects deinking efficiency.
consult Fig. 2, dilution and the adding set of deinking liquid caustic soda is according to an embodiment of the invention illustrated in Fig. 2, comprise dope alkali accumulator tank 1 and add pump 2 with the liquid caustic soda of dope alkali accumulator tank 1 configured in fluid communication, also comprise be arranged on dope alkali accumulator tank 1 and liquid caustic soda to add between pump 2 and with the liquid caustic soda diluent facilities of their configured in fluid communication respectively, liquid caustic soda diluent facilities comprises: aqua storage tank 3; Blender 4, blender 4 is static mixers, and it comprises inlet and liquid outlet, and inlet and water accumulator tank 3 and dope alkali accumulator tank 1 are respectively by aqueduct 5 and base-conveying pipe road 6 configured in fluid communication; Liquid caustic soda shifting pump 7, its to be arranged on base-conveying pipe road 6 and with dope alkali accumulator tank 1 and blender 4 configured in fluid communication respectively, for the dope alkali in dope alkali accumulator tank 1 is pumped in blender 4; Thin liquid alkali accumulator tank 8, it comprises thin liquid alkali entrance and the outlet of thin liquid alkali, the liquid outlet configured in fluid communication of thin liquid alkali entrance and blender 4, and the outlet of thin liquid alkali adds pump 2 configured in fluid communication with liquid caustic soda.
particularly, aqueduct 5 is provided with first-class gauge 51 and control valve 52, base-conveying pipe road 6 is also provided with second gauge 61 and ball valve 62.Second gauge 61 is arranged on a part of base-conveying pipe road between liquid caustic soda shifting pump 7 and blender.
more specifically, this device also comprises flow ratio control system device (FFIC) 9, itself and first-class gauge 51, control valve 52 and second gauge 61 are electrically connected respectively, for showing and being controlled the ratio of the water flow velocity in aqueduct 5 and the dope alkali flow velocity in base-conveying pipe road 6 by control valve 52.Flow ratio control system device by control valve 52 by the Ratio control of water flow velocity and dope alkali flow velocity in desired scope.
the ratio of the dope alkali flow velocity in the water flow velocity in aqueduct 5 and base-conveying pipe road 6 is 0.5 ~ 1.In the preferred embodiment, the ratio of the dope alkali flow velocity in the water flow velocity in aqueduct 5 and base-conveying pipe road 6 is 0.6 ~ 0.8, is more specifically 0.776.Like this, after blender mixing, the liquid paper mill wastewater in thin liquid alkali accumulator tank 8 is approximately about 30%, reaches the liquid caustic soda concentration standard in normal deinking workshop, and turn avoid the problem of cost of transportation height and corrosive pipeline.
particularly, aqueduct 5 is also provided with the first check valve 53, base-conveying pipe road 6 is also provided with the second check valve 63.First check valve 53 can prevent liquid caustic soda or mixed liquid caustic soda from flowing back in aqueduct and aqua storage tank 3, second check valve 63 anti-sealing or mixed liquid caustic soda can flow back in base-conveying pipe road and liquid caustic soda shifting pump and goes, the cross pollution of pipeline and equipment can be prevented like this, make flow and concentration control more accurate.
particularly, device also comprises liquid level display controller (LIC) 10, and itself and liquid caustic soda shifting pump 7 and thin liquid alkali accumulator tank 8 are electrically connected respectively, for showing and controlling the liquid level of thin liquid alkali in thin liquid alkali accumulator tank 8.When the liquid level of the thin liquid alkali in thin liquid alkali accumulator tank 8 is too high, this display controller 10 controls liquid caustic soda shifting pump 7(variable frequency pump) reduce rotating speed to reduce liquid caustic soda flow velocity, and reduce water flow velocity by flow ratio control system device 9 via control valve 52, the liquid level of thin liquid alkali is reduced when ensureing that the ratio of water flow velocity and liquid caustic soda flow velocity is in setting range, when the liquid level of the thin liquid alkali in thin liquid alkali accumulator tank is too high, adjustment process is then contrary to the above.That is, the liquid level of liquid caustic soda dilution storage tank 8 is controlled with the flow controlling liquid caustic soda by changing self rotating speed by liquid caustic soda shifting pump 7.
the dilution of deinking liquid caustic soda of the present invention and adding set to the dilution of liquid caustic soda and adding procedure as follows:
dope alkali (mass fraction is approximately about 50%) in dope alkali accumulator tank 1 shifts via liquid caustic soda shifting pump 7, and be transported in blender 4 by base-conveying pipe road 6, water in aqua storage tank 3 is transported in blender 4 via water pump by aqueduct 5, then in blender 4, dope alkali is transferred to after mixing with water in thin liquid alkali accumulator tank 8 again, and then is transported to each interpolation website via liquid caustic soda interpolation pump 2.Particularly, aqueduct 5 is also provided with first-class gauge 51, control valve 52 and the first check valve 53, base-conveying pipe road 6 is also provided with second gauge 61, ball valve 62 and the second check valve 63, second flow 61 is arranged on a part of base-conveying pipe road between liquid caustic soda shifting pump 7 and blender 4, like this, the liquid caustic soda flow velocity measured by second gauge 61 is more accurate.This device also comprises fluid level controller (LIC) 10, and itself and liquid caustic soda shifting pump 7 are electrically connected, and can be controlled the liquid level in thin liquid alkali accumulator tank 8 by the rotating speed of liquid caustic soda shifting pump 7.Operationally, when the liquid level in LIC display thin liquid alkali accumulator tank 8 is higher than setting value, LIC controls liquid caustic soda shifting pump 7 and reduces rotating speed, reduce dope alkali flow, after FFIC senses liquid caustic soda changes in flow rate, regulate the water flow velocity in aqueduct 5 by control valve 52, water flow velocity and the ratio of liquid caustic soda flow velocity are controlled in the scope of setting and keep constant.
the present invention has following effect and advantage:
1,50% stoste alkali is diluted to suitable concentration (30% or other any desired concentration), and because concentration is less than normal, in use procedure, liquid caustic soda weakens interpolation pipeline and relevant device corrosion, and liquid caustic soda can be avoided to leak.
, when add identical liquid caustic soda amount, add after 50% stoste alkali is diluted to certain concentration, add flow large, flowmeter detects more accurate, and flowed fluctuation is little, and addition is relatively stable, the whiteness of Deinking Pulp increases, and slurry line concentrator concentrating capacity improves.
in the present invention, before liquid caustic soda dilution, the flow rate coefficient of setting dilution water and liquid caustic soda, liquid caustic soda diluent facilities starts automatically, go out to dilute the water yield according to liquid caustic soda shifting pump outlet liquid caustic soda flow and concentration conversion, after dilution water and liquid caustic soda mix in proportion, more fully mix through blender, to liquid caustic soda dilution storage tank.The liquid caustic soda diluted adds according to technological requirement.Wherein, the liquid level of liquid caustic soda dilution storage tank is controlled by the rotating speed of liquid caustic soda shifting pump.
above specific embodiment of the present invention is illustrated; but protection content of the present invention is not only limited to above embodiment; in art of the present invention, the usual knowledge of a GPRS, just can carry out diversified change within the scope of its technology main idea.
Claims (10)
1. the dilution of a deinking liquid caustic soda and adding set, comprise dope alkali accumulator tank (1) and add pump (2) with the liquid caustic soda of described dope alkali accumulator tank (1) configured in fluid communication, it is characterized in that: also comprise be arranged on described dope alkali accumulator tank (1) and described liquid caustic soda to add between pump (2) and with the liquid caustic soda diluent facilities of their configured in fluid communication respectively, described liquid caustic soda diluent facilities comprises:
Aqua storage tank (3);
Blender (4), it comprises inlet and liquid outlet, and described inlet and described aqua storage tank (3) and described dope alkali accumulator tank (1) are respectively by aqueduct (5) and base-conveying pipe road (6) configured in fluid communication;
Liquid caustic soda shifting pump (7), it is arranged on described base-conveying pipe road (6) and goes up and distinguish configured in fluid communication, for being pumped by the dope alkali in dope alkali accumulator tank (1) in described blender (4) with described dope alkali accumulator tank (1) and described blender (4);
Thin liquid alkali accumulator tank (8), it comprises thin liquid alkali entrance and the outlet of thin liquid alkali, the liquid outlet configured in fluid communication of described thin liquid alkali entrance and described blender (4), and described thin liquid alkali outlet adds pump (2) configured in fluid communication with described liquid caustic soda.
2. the dilution of deinking liquid caustic soda according to claim 1 and adding set, it is characterized in that: described aqueduct (5) is provided with first-class gauge (51) and control valve (52), described base-conveying pipe road (6) is also provided with second gauge (61) and ball valve (62).
3. the dilution of deinking liquid caustic soda according to claim 2 and adding set, is characterized in that: described second gauge (61) is arranged on a part of base-conveying pipe road of being positioned between described liquid caustic soda shifting pump (7) and described blender.
4. the dilution of deinking liquid caustic soda according to claim 1 and adding set, it is characterized in that: described device also comprises flow ratio control system device (9), itself and described first-class gauge (51), control valve (52) and second gauge (61) are electrically connected respectively, for showing the ratio of the water flow velocity in aqueduct (5) and the dope alkali flow velocity in base-conveying pipe road (6), and controlled the ratio of the water flow velocity in aqueduct (5) and the dope alkali flow velocity in base-conveying pipe road (6) by described control valve (52).
5. the dilution of the deinking liquid caustic soda according to claim 1 or 2 or 4 and adding set, is characterized in that: the ratio of the dope alkali flow velocity in the water flow velocity in described aqueduct (5) and described base-conveying pipe road (6) is 0.5 ~ 1.
6. the dilution of deinking liquid caustic soda according to claim 5 and adding set, is characterized in that: the ratio of the dope alkali flow velocity in the water flow velocity in described aqueduct (5) and described base-conveying pipe road (6) is 0.6 ~ 0.8.
7. the dilution of deinking liquid caustic soda according to claim 1 and adding set, is characterized in that: described aqueduct (5) is also provided with the first check valve (53), described base-conveying pipe road (6) be also provided with the second check valve (63).
8. the dilution of deinking liquid caustic soda according to claim 1 and adding set, it is characterized in that: described device also comprises liquid level display controller (10), itself and described liquid caustic soda shifting pump (7) and described thin liquid alkali accumulator tank (8) are electrically connected respectively, for showing the liquid level of thin liquid alkali in described thin liquid alkali accumulator tank (8), and control the liquid level of thin liquid alkali in described thin liquid alkali accumulator tank (8) by the rotating speed of described liquid caustic soda shifting pump (7).
9. the dilution of deinking liquid caustic soda according to claim 1 and adding set, is characterized in that: described blender (4) is static mixer.
10. the dilution of deinking liquid caustic soda according to claim 1 and adding set, is characterized in that: described liquid caustic soda shifting pump (7) is variable frequency pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410504158.2A CN104313931B (en) | 2014-09-26 | 2014-09-26 | The dilution of deinking liquid caustic soda and adding set |
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| CN201410504158.2A CN104313931B (en) | 2014-09-26 | 2014-09-26 | The dilution of deinking liquid caustic soda and adding set |
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| CN104313931B CN104313931B (en) | 2016-03-16 |
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| CN105195032A (en) * | 2015-08-31 | 2015-12-30 | 老肯医疗科技股份有限公司 | Automatic enzyme liquid preparing device used in cooperation with endoscope cleaning equipment |
| CN106378054A (en) * | 2016-08-31 | 2017-02-08 | 江苏新美星包装机械股份有限公司 | Liquid mixing device |
| CN108547174A (en) * | 2018-06-26 | 2018-09-18 | 汇胜集团股份有限公司 | Starch adding set and adding method for manufacturing paper tube base paper |
| CN113512904A (en) * | 2021-06-29 | 2021-10-19 | 玖龙纸业（太仓）有限公司 | Liquid adding system and method for producing craft paper |
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| CN113512904A (en) * | 2021-06-29 | 2021-10-19 | 玖龙纸业（太仓）有限公司 | Liquid adding system and method for producing craft paper |
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| CN104313931B (en) | 2016-03-16 |
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