CN208701007U - A kind of production equipment that washing powder on-line continuous neutralizes - Google Patents
A kind of production equipment that washing powder on-line continuous neutralizes Download PDFInfo
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- CN208701007U CN208701007U CN201820928953.8U CN201820928953U CN208701007U CN 208701007 U CN208701007 U CN 208701007U CN 201820928953 U CN201820928953 U CN 201820928953U CN 208701007 U CN208701007 U CN 208701007U
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Abstract
The production equipment that washing powder on-line continuous neutralizes, including storing the powder cabin of various solid materials and storing basin, the drying system of various liquid.Feeding machanism includes multiple feed bins, the powder bucket scale for weighing various solid materials, and each powder cabin is connect by screw conveyor with powder bucket scale, and powder bucket scale is connect by screw conveyor with material-compound tank.Waterglass basin, water tank passes through respective flowmeter respectively and control valve enters in material-compound tank through pipeline.Control valve and screw conveyor are all controlled by a PLC processor；In on-line joining process and device is by aging measuring tank, sulfonic acid pump and caustic soda pump and neutralization pipeline composition, aging measuring tank is connect by slurry delivery pump with pipeline is neutralized, sulfonic acid storage tank and caustic soda storage tank pass through flowmeter and control valve respectively and connect with pipeline is neutralized, sulfonic acid flowmeter and caustic soda flowmeter, aging measuring tank is also controlled by PLC processor, and PLC processor makes sulfonic acid flowmeter, and caustic soda flowmeter and aging measuring tank feed intake by formula rate.
Description
Technical field
The utility model relates to a kind of production equipments of washing powder.
Background technique
According to the technological process of production of current domestic washing powder, various solid materials enter in material-compound tank after weighing, with
This simultaneously, various liquid charging stocks after scale hooper scale weighs respectively also enter material-compound tank in, sulfonic acid and caustic soda are respectively through scale hooper
Enter in material-compound tank after scale metering and carry out neutralization reaction, other solids and liquid charging stock are added respectively by recipe requirements after the completion of neutralization
Enter in material-compound tank and mixed, reaction obtains slurry of the water content 35% or so, in order to be uniformly mixed the material in slurry
And fully reacting, slurry enters in ageing can after filtering to be futher stirred, then mixing is further ground using Homogenizing pump
Drying and moulding in spray tower, spray tower tower height 20-30M are sprayed into the pressure of 40-60KG by high-pressure pump afterwards, slurry is sprayed by top
Enter, and the hot-blast stove heat exchange entered from bottom, to be flowed out after forming spherical particle from tower bottom.Heat needed for slurry molding
Wind is provided by diesel oil or natural gas, enter in hot-blast stove after burner combustion mixed with the outside air that air-cooler is blown into
Reach the hot wind of required temperature.From washing powder its apparent gravity come out in spray tower between 0.25-0.5, due to from spray tower
Washing powder surface temperature out reaches 60-80 DEG C, cannot directly pack, it is necessary to be sent by wind, cooling tube enters after reducing temperature
Finished powder is separated in expansion chamber, washing powder after cooling is after with after flavoring, so that it may be packed and stored.
Current this washing powder production technology, has the following problems:
1. consuming a large amount of water resource
As previously described admittedly, in liquid blending process, why not water content can drop water content 35% or so
It is low? this is because the sulfonic acid and caustic soda in washing powder formula are all added herein, it is necessary to minimum to have certain water that protect
Neutralization reaction is complete in a short time for card sulfonic acid and caustic soda.It is 5% calculating by the water content after drying in finished product washing powder, needs
The moisture of evaporation 30% has about 1,600,000 tons by 3,500,000 tons of the total output calculating of Chinese washing powder | and the water in year is wasted.
2. consuming a large amount of energy
Aqueous 35% slurry drying is become into aqueous 5% finished product washing powder, washing powder per ton needs to consume about 55KG
Diesel oil is equivalent to consumption 110KG standard coal, calculates by 3,500,000 tons of washing powder are produced per year, consumes about 38.5 ten thousand tons of standard coals every year.
3. consuming a large amount of steam
The production of washing powder at present develops to enrichment high apparent gravity washing powder direction, to produce washing for high apparent gravity
Slurry temperature in material-compound tank must be increased to 85-90 DEG C by clothing powder, depend merely on the neutralization reaction of sulfonic acid and caustic soda in material-compound tank
Slurry temperature can only be increased to about 60-65 DEG C and must thus be heated with steam by heat, and washing powder per ton consumes about 100KG
Steam calculates by 3,500,000 tons of washing powder are produced per year, consumes about 350,000 tons of steam every year.
Summary of the invention
To overcome the disadvantage in the prior art, the utility model, which provides, saves water and energy, the washing powder continuously neutralized online
Production equipment.
The production equipment of washing powder, including storing the powder cabin of various solid materials and storing the basin of various liquid.It provides
The feeding machanism of solid material and liquid charging stock.The material-compound tank that solid material and liquid material are mixed, and by mixture homogeneous
Aging measuring tank, by sulfonic acid and caustic soda in pipeline directly in sum on-line joining process in and device and laundry powder particles are made
Drying system.
It is characterized by: the feeding machanism includes the powder bucket scale of multiple powder cabins, the various solid materials of weighing, each
Powder cabin is connect by screw conveyor with powder bucket scale, and powder bucket scale is connect by screw conveyor with material-compound tank.
The feeding machanism includes the sulfonic acid basin for storing sulfonic acid, stores the caustic soda basin of caustic soda, stores waterglass
Waterglass basin stores the water tank of water.The waterglass basin, water tank passes through respective flowmeter respectively and control valve enters
In material-compound tank.
All control valves and screw conveyor are all controlled by a PLC processor, and the PLC processor makes each control
Valve and screw conveyor processed are successively opened by feeding sequence, the feeding sequence are as follows: water --- waterglass --- solid material；
Agitating device is equipped with inside the material-compound tank, top is equipped with suction opening, and outside is equipped with steam heater, prepares
Good slurry is connect by pipeline with aging measuring tank.
In the on-line joining process and device by aging measuring tank, sulfonic acid pump and caustic soda pump and neutralizes pipeline composition, described
Aging measuring tank by slurry delivery pump with neutralization pipeline connect, the sulfonic acid storage tank and caustic soda storage tank pass through flow respectively
Meter and control valve are connect with pipeline is neutralized, and the sulfonic acid flowmeter and caustic soda flowmeter, aging measuring tank are also controlled by described
PLC processor, the PLC processor makes sulfonic acid flowmeter, and caustic soda flowmeter and aging measuring tank feed intake by formula rate,
During various raw materials are continuous in and in pipeline and.
Material is passed through pipe by high-pressure pump, spray tower and heating plant composition, the high-pressure pump by the drying system
Road sprays into drying tower, and dry required heat is connect by pipeline with drying tower by combustor, hot-blast stove.
Further, slurry delivery pump, and delivery pump and slurry are equipped between the aging measuring tank and slurry crusher
It is equipped between crusher and neutralizes pipeline.
Further, it is connected between the sulfonic acid basin and sulfonic acid gravity tank by delivery pump and pipeline, the caustic soda
It is connected between basin and caustic soda gravity tank by delivery pump and pipeline, is equipped between the sulfonic acid gravity tank and sulfonic acid flowmeter
Adjust the variable-frequency delivery pump of flow.The variable ratio frequency changer for adjusting flow is equipped between the caustic soda gravity tank and caustic soda flowmeter
Delivery pump.
Further, control valve is equipped between the sulfonic acid flowmeter and neutralization pipeline, the caustic soda flowmeter is in
Control valve is equipped between pipeline.
Further, the neutralization pipeline is equipped with a special sulfonic acid and caustic soda feed inlet, by flange and neutralizes pipe
Road connection.
Further, high-pressure delivery pump is equipped between the slurry crusher and drying tower, for by and good slurry
It is sent into drying tower by pipeline.
Further, heat needed for the drying tower is provided by combustor and hot-blast stove, is connected by pipeline and drying tower
It connects, the drying tower bottom is equipped with belt conveyor and is used to for manufactured washing powder original washing powder to be sent into subsequent processing packaging.
The technical concept of the utility model is: the waterglass in waterglass basin, and the water in water tank is respectively through respective stream
Meter and control valve are entered in material-compound tank by formula rate by pipeline, and at the same time, the various solid materials in filler bin are pressed
The requirement of washing powder formula rate enters powder bucket scale through respective discharging screw machine and weighs respectively, then passes through by mix-order
Bucket weighs out material screw machine and enters in material-compound tank and mix.
Material-compound tank is a kind of batch mixed equipment, is built-in with spiral guide tube and blender.Due in the washing powder of composition
Various property of raw material are different, therefore it is required that various solids, liquid charging stock is added by preset mix-order.Various raw materials add
The percentage of weight and investment order entered is all automatically controlled by PLC processor.The water content mixed in material-compound tank is
25% or so, mixing about enters in aging measuring tank through pipeline after ten minutes.
Continuous neutralized system is the core of whole production line.It is to neutralize pipeline by aging measuring tank, slurry delivery pump,
Sulfonic acid variable-frequency delivery pump, sulfonic acid flowmeter, caustic soda variable-frequency delivery pump, caustic soda flowmeter composition form a closed-loop control system.
It is automatically controlled by PLC processor, step is that the slurry in aging measuring tank is continuous by slurry delivery pump by formula setting value
It is sent into slurry and in pipeline, at the same time, the ratio that sulfonic acid is also set in formula is by sulfonic acid variable-frequency delivery pump through sulfonic acid flow
It is also fed into and is neutralized in pipeline after meter continuous metering, the ratio that same caustic soda is also set in formula is by caustic soda variable-frequency delivery pump through caustic soda
Enter to neutralize in pipeline after flowmeter continuous metering and completes neutralization reaction with sulfonic acid.
Slurry and sulfonic acid in aging measuring tank, caustic soda is to continuously enter to neutralize in pipeline simultaneously, then broken through slurry
After machine filtering, sprayed by high-pressure pump dry in drying tower.Drying tower is using the formation of spray drying, and hot wind is by burner, warm
Wind furnace provides.
The finished product washing powder come out from dry tower bottom is aqueous 5% or so, through tower bottom belt feeder be sent into subsequent processing into
Row cooling, is packed and stored.
The utility model has the beneficial effects that:
1. sulfonic acid, during caustic soda is continuous directly in slurry pipeline and, replace it is current in material-compound tank internal clearance and, make to expect
Slurry water content is reduced to 25% or so, calculates by annual 3500000 tons of washing powder, can save 350,000 tons of water.
2. the slurry drying of water content 25% to be become to aqueous 5% finished product washing powder, washing powder per ton only needs to consume
About 30KG diesel oil is equivalent to consumption 60KG standard coal, calculates by 3,500,000 tons of washing powder are produced per year, consumes about 210,000 tons of standards every year
Coal saves 17.5 ten thousand tons of standard coals than current washing powder production technology.
3. slurry temperature can be directly increased to by sulfonic acid, the caustic soda directly neutralization reaction in slurry pipeline, the heat of releasing
85-90 DEG C, additional amount of the steam in material-compound tank is thus reduced, is calculated by 3,500,000 tons of washing powder are produced per year, 35 can be saved every year
Ten thousand tons of steam.
4. the apparent gravity for the finished product washing powder that the utility model technique is produced is 550g/ml, 40% packaging can be saved
Material.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model
Specific embodiment:
Referring to attached drawing, the technical solution of the utility model is further illustrated.
The production equipment of washing powder, including storing the powder cabin of various solid materials and storing the basin of various liquid.It provides
The feeding machanism of solid material and liquid charging stock.The material-compound tank 16 that solid material and liquid material are mixed, and mixture is equal
The aging measuring tank 17 of matter, by sulfonic acid and caustic soda in pipeline directly in sum equipment 21 and be made laundry powder particles drying
System.
The feeding machanism includes the first powder cabin 10, the second powder cabin 11 for storing solid material, and it is former to weigh various solids
The powder bucket scale 14 of material, liquid storage tank (including waterglass storage tank 1, sulfonic acid storage tank 3, the caustic soda storage tank of multiple storage liquid charging stocks
5) and measure respectively various liquid materials flowmeter (including first flowmeter 8, second flowmeter 9, third flowmeter 18, the
Four flowmeters 19).First powder cabin 10 by the first screw conveyor 12, the second powder cabin 11 by the second screw conveyor 13 with
Powder bucket scale 14 connects, and waterglass basin 1 is connect by the first pump 2 and the pipeline of flowmeter 9 with material-compound tank 16, sulfonic acid basin 3
It is connect by the second pump 4 and high-order sulfonic acid tank 30 with sulfonic acid variable-frequency delivery pump 31, then again by the 4th flowmeter 19 in
It is connected with pipeline 21, caustic soda basin 5 is connect by third pump 6 and high-order caustic soda tank 28 with caustic soda variable-frequency delivery pump 29, then again
It is connect by third flowmeter 18 with pipeline 21 is neutralized, the powder bucket scale 14 passes through third screw conveyor 15 and ingredient
Tank 16 connects.
The feeding machanism includes the sulfonic acid basin 3 for storing sulfonic acid, stores the caustic soda basin 5 of caustic soda, stores waterglass
Waterglass basin 1, store the water tank 7 of water.The waterglass basin 1, water tank 7 is respectively by second flowmeter 9, first-class
Meter 8 and the second control valve b, the first control valve a enter in material-compound tank 16.
All 8,9 and the first screw conveyors 12 of control valve, the second screw conveyor 13, third screw conveyor 15 is all
It is controlled by a PLC processor, the PLC processor makes the second control valve a, the first control valve b and the first screw conveyor
12, the second screw conveyor 13, third screw conveyor 15 are successively opened by feeding sequence, the feeding sequence are as follows:
Water --- waterglass --- solid material；
Agitating device 161 is equipped with inside the solid-liquid material-compound tank 16, top is equipped with suction opening, and outside is equipped with steam and heats
Device, prepared slurry are connect by pipeline with aging measuring tank 17.
In the on-line joining process and device is by aging measuring tank 17, sulfonic acid variable-frequency delivery pump 31 and caustic soda frequency conversion conveying
Pump 29 and neutralization pipeline 21 form, and the aging measuring tank 17 is connect by slurry delivery pump 20 with pipeline 21 is neutralized, described
Sulfonic acid and caustic soda neutralization be by sulfonic acid flowmeter 19, caustic soda flowmeter 18 and control valve d, c with neutralize pipeline 21 connect,
The sulfonic acid flowmeter 19 and caustic soda flowmeter 18, aging measuring tank 17 are also controlled by the PLC processor, the place
Reason device makes sulfonic acid flowmeter 19, and the material in caustic soda flowmeter 18 and aging measuring tank 17 is by formula rate in and in pipeline 21
It is continuous to neutralize.
The drying system is made of high-pressure pump 23, spray tower 26 and heating plant 24,25, and the high-pressure pump 23 will
Material is sprayed into drying tower 26 by pipeline, and dry required heat passes through pipeline and drying tower by combustor 24, hot-blast stove 25
26 connections.
Slurry delivery pump 20, and delivery pump 20 and slurry are equipped between the aging measuring tank 17 and slurry crusher 22
It is equipped between crusher and neutralizes pipeline 21.
It is connected between the sulfonic acid basin 3 and sulfonic acid gravity tank 30 by delivery pump 4 and pipeline, the caustic soda basin
It is connected between 5 and caustic soda gravity tank 28 by delivery pump 6 and pipeline, between the sulfonic acid gravity tank 30 and sulfonic acid flowmeter 19
Equipped with the variable-frequency delivery pump 31 for adjusting flow.It is equipped between the caustic soda gravity tank 28 and caustic soda flowmeter 18 and adjusts stream
The variable-frequency delivery pump 29 of amount.
Control valve d, the caustic soda flowmeter and neutralization pipeline are equipped between the sulfonic acid flowmeter and neutralization pipeline
Between be equipped with control valve c.
The neutralization pipeline is equipped with a special sulfonic acid and caustic soda feed inlet 21, by flange and neutralizes pipeline company
It connects.
High-pressure delivery pump 23 is equipped between the slurry crusher 22 and drying tower, for passing through by with good slurry
Pipeline is sent into drying tower 26.
Drying system includes drying tower 26, combustor 24 and hot-blast stove 25.Heat needed for the drying tower 26 is by firing
Burning machine 24 and hot-blast stove 25 provide, and are connect by pipeline with drying tower 26, and 26 bottom of drying tower is equipped with belt conveyor
27 for sending manufactured washing powder original washing powder into subsequent processing packaging.
The technical concept of the utility model is: the waterglass in waterglass basin, and the water in water tank is respectively through respective stream
Meter and control valve are entered in material-compound tank by formula rate, and at the same time, the various solid materials in filler bin are matched by washing powder
The requirement of square ratio enters powder bucket scale through respective discharging screw machine and weighs respectively, then the going out through bucket scale by mix-order
Material, which is threaded into material-compound tank, to be mixed.
Material-compound tank is a kind of batch mixed equipment, is built-in with spiral guide tube and blender.Due in the washing powder of composition
Various property of raw material are different, therefore it is required that various solids, liquid charging stock is added by preset mix-order.Various raw materials add
The percentage of weight and investment order entered is all automatically controlled by PLC processor.The water content mixed in material-compound tank is
25% or so, mixing about enters in aging measuring tank through pipeline after ten minutes.
Continuous neutralized system is the core of whole production line.It is to neutralize pipeline by aging measuring tank, slurry delivery pump,
Sulfonic acid variable-frequency delivery pump, sulfonic acid flowmeter, caustic soda variable-frequency delivery pump, caustic soda flowmeter composition form a closed-loop control system.
It is automatically controlled by PLC processor, step is that the slurry in aging measuring tank is continuous by slurry delivery pump by formula setting value
It is sent into slurry and in pipeline, at the same time, sulfonic acid is also connected by sulfonic acid delivery pump through sulfonic acid flowmeter in the ratio of formula setting
It is also fed into and is neutralized in pipeline after continuous metering, same caustic soda is also connected by caustic soda delivery pump through caustic soda flowmeter in the ratio of formula setting
Enter to neutralize in pipeline after continuous metering and completes neutralization reaction with sulfonic acid.
Slurry and sulfonic acid in aging measuring tank, caustic soda is to continuously enter to neutralize in pipeline simultaneously, then broken through slurry
After machine filtering, sprayed by high-pressure pump dry in drying tower.Drying tower is using the formation of spray drying, and hot wind is by burner, warm
Wind furnace provides.
The finished product washing powder come out from dry tower bottom is aqueous 5% or so, through tower bottom belt feeder be sent into subsequent processing into
Row cooling, is packed and stored.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new
The protection scope of type is not construed as being only limitted to the particular content that embodiment is stated, the protection scope of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (7)
1. the production equipment that washing powder on-line continuous neutralizes, including storing the powder cabin of various solid materials and storing various liquid
Basin；The feeding machanism of solid material and liquid charging stock is provided；The material-compound tank that solid material and liquid material are mixed, and will mix
The aging measuring tank for closing material homogeneous, by sulfonic acid and caustic soda in pipeline directly in sum on-line joining process in and device and being made wash
The drying system of clothing powder particles；
It is characterized by: the feeding machanism includes multiple feed bins, the powder bucket scale for weighing various solid materials, each powder cabin
It is connect by screw conveyor with powder bucket scale, powder bucket scale is connect by screw conveyor with material-compound tank；
The feeding machanism further includes the sulfonic acid basin for storing sulfonic acid, stores the caustic soda basin of caustic soda, stores the water of waterglass
Glass basin stores the water tank of water；The waterglass basin, water tank pass through respective flowmeter and control valve through pipeline respectively
Into in material-compound tank；
All control valves and screw conveyor are all controlled by a PLC processor, the PLC processor make each control valve and
Screw conveyor is successively opened by feeding sequence, the feeding sequence are as follows: water --- waterglass --- solid material；
Agitating device is equipped with inside the material-compound tank, top is equipped with suction opening, and outside is equipped with steam heater, prepared
Slurry is connect by pipeline with aging measuring tank；
In the on-line joining process and device by aging measuring tank, sulfonic acid pump and caustic soda pump and neutralizes pipeline composition, and described is old
Change measuring tank and connect by slurry delivery pump with pipeline is neutralized, sulfonic acid storage tank and caustic soda storage tank pass through flowmeter and control valve respectively
It is connect with pipeline is neutralized, sulfonic acid flowmeter and caustic soda flowmeter, aging measuring tank are also controlled by the PLC processor, described
PLC processor so that sulfonic acid flowmeter, caustic soda flowmeter and aging measuring tank is fed intake by formula rate；
The drying system connects drying by pipeline by high-pressure pump, spray tower and heating plant composition, the high-pressure pump
Tower, combustor, hot-blast stove are connect by pipeline with drying tower.
2. the production equipment that washing powder on-line continuous as described in claim 1 neutralizes, it is characterised in that: the material-compound tank is used
Pipeline is connect with aging measuring tank, and slurry delivery pump, and delivery pump and slurry are equipped between aging measuring tank and slurry crusher
It is equipped between crusher and neutralizes pipeline.
3. the production equipment that washing powder on-line continuous as claimed in claim 2 neutralizes, it is characterised in that: the sulfonic acid basin
It is connect between sulfonic acid gravity tank by delivery pump and pipeline, passes through delivery pump between the caustic soda basin and caustic soda gravity tank
And pipeline connection, the variable-frequency delivery pump for adjusting flow is equipped between the sulfonic acid gravity tank and sulfonic acid flowmeter；It is described
Caustic soda gravity tank and caustic soda flowmeter between be equipped with adjust flow variable-frequency delivery pump.
4. the production equipment that washing powder on-line continuous as claimed in claim 3 neutralizes, it is characterised in that: the sulfonic acid flow
It is equipped with control valve between meter and neutralization pipeline, is equipped with control valve between the caustic soda flowmeter and neutralization pipeline.
5. the production equipment that washing powder on-line continuous as claimed in claim 4 neutralizes, it is characterised in that: the neutralization pipeline
It is equipped with a special sulfonic acid and caustic soda feed inlet, is connect by flange with pipeline is neutralized.
6. the production equipment that washing powder on-line continuous as claimed in claim 5 neutralizes, it is characterised in that: the slurry is broken
High-pressure delivery pump is equipped between machine and drying tower, for passing through in pipeline feeding drying tower by with good slurry.
7. the production equipment that washing powder on-line continuous as claimed in claim 6 neutralizes, it is characterised in that: the drying tower institute
The heat needed is provided by combustor and hot-blast stove, is connect by pipeline with drying tower, and it is defeated that the drying tower bottom is equipped with belt
Send machine for manufactured washing powder original washing powder to be sent into subsequent processing packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928953.8U CN208701007U (en) | 2018-06-15 | 2018-06-15 | A kind of production equipment that washing powder on-line continuous neutralizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928953.8U CN208701007U (en) | 2018-06-15 | 2018-06-15 | A kind of production equipment that washing powder on-line continuous neutralizes |
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| CN208701007U true CN208701007U (en) | 2019-04-05 |
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ID=65936519
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| CN201820928953.8U Active CN208701007U (en) | 2018-06-15 | 2018-06-15 | A kind of production equipment that washing powder on-line continuous neutralizes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657349A (en) * | 2019-10-08 | 2020-01-07 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Mine tailing paste slurry ring pipe test system and system operation method |
| CN111569816A (en) * | 2020-06-30 | 2020-08-25 | 江苏京控装备有限公司 | Solid-liquid homogeneous mixing pump matched multi-tube reactor |
| CN114749056A (en) * | 2022-04-06 | 2022-07-15 | 张卓 | Stirring device capable of mixing in proportion for production of environment-friendly dishwashing liquid and stirring method thereof |
-
2018
- 2018-06-15 CN CN201820928953.8U patent/CN208701007U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657349A (en) * | 2019-10-08 | 2020-01-07 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Mine tailing paste slurry ring pipe test system and system operation method |
| CN111569816A (en) * | 2020-06-30 | 2020-08-25 | 江苏京控装备有限公司 | Solid-liquid homogeneous mixing pump matched multi-tube reactor |
| CN114749056A (en) * | 2022-04-06 | 2022-07-15 | 张卓 | Stirring device capable of mixing in proportion for production of environment-friendly dishwashing liquid and stirring method thereof |
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