CN110876914A - Water-based plastic paint production equipment and cleaning method - Google Patents
Water-based plastic paint production equipment and cleaning method Download PDFInfo
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- CN110876914A CN110876914A CN201910978748.1A CN201910978748A CN110876914A CN 110876914 A CN110876914 A CN 110876914A CN 201910978748 A CN201910978748 A CN 201910978748A CN 110876914 A CN110876914 A CN 110876914A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000003973 paint Substances 0.000 title claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 119
- 239000006185 dispersion Substances 0.000 claims abstract description 35
- 239000008399 tap water Substances 0.000 claims abstract description 31
- 235000020679 tap water Nutrition 0.000 claims abstract description 31
- 239000000243 solution Substances 0.000 claims abstract description 30
- 239000008213 purified water Substances 0.000 claims abstract description 27
- 239000007864 aqueous solution Substances 0.000 claims abstract description 21
- 239000002351 wastewater Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
- B01J2219/0277—Metal based
- B01J2219/0286—Steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a production device and a cleaning method of water-based plastic paint, which comprises a reaction kettle and a high-pressure cleaning machine and is characterized in that: the reaction kettle cylinder body is made of stainless steel, the bottom of the reaction kettle cylinder body is in the shape of an arc surface, and the inner wall of the reaction kettle cylinder body is a smooth surface. The cleaning method comprises the following steps: washing the reaction kettle cylinder body and the dispersion disc by spraying a certain amount of purified water, washing most of the residual water-based paint adhered to the inner wall of the reaction kettle cylinder body and the dispersion disc, collecting the formed water-based paint aqueous solution by using a cleaning solution collecting container, and reserving the water-based paint aqueous solution as a production raw material of the same water-based paint next time, so that the production raw material is saved; and then putting tap water into the reaction kettle cylinder body, carefully cleaning the inner wall of the reaction kettle cylinder body and the dispersion disc, wherein the cleaned tap water meets the wastewater discharge standard and can be directly discharged. The reaction kettle has reasonable structure and convenient cleaning, and the discharged cleaning aqueous solution can reach the environmental protection standard and greatly reduce the environmental pollution; in addition, the automatic level is high, the cleaning work efficiency can be improved, and the labor intensity is reduced.
Description
Technical Field
The invention belongs to the technical field of water-based plastic paint production equipment and a cleaning method, and particularly relates to water-based plastic paint production equipment and a cleaning method.
Background
The water paint takes purified water (or distilled water) as a main solvent, and is an important technology for solving the problem that VOCs (volatile organic chemicals) in the paint pollute air. The water-based paint is dissolved in water, after the water-based paint is produced, a reaction kettle cylinder body and a dispersion disc are cleaned, color wastewater can be produced, a red water-based paint is used for cleaning the cylinder body to produce red color wastewater, and a blue water-based paint is used for cleaning the cylinder body to produce blue color wastewater. The waste water generated by cleaning the water paint mixing reaction kettle cylinder body and the dispersion disc is usually collected together, and after reaching a certain amount, the waste water is treated, including decolorization, flocculation, COD reduction, PH value adjustment and the like, and after reaching the environmental protection standard of discharge, the waste water is discharged. High cost and increased environmental pollution risk.
How to design a waterborne plastic paint production facility, it is convenient to wash to be convenient for retrieve most waterborne paint, reduce waste water treatment expense, the washing aqueous solution that discharges can reach the environmental protection standard, can the greatly reduced environmental pollution, this is the problem that this field is anxious to solve.
Disclosure of Invention
The invention provides a production device and a cleaning method of water-based plastic paint for solving the problems in the prior art, wherein a reaction kettle has a reasonable structure, is convenient to clean, is convenient to recover most of water-based paint, reduces the waste water treatment cost, and can greatly reduce the environmental pollution because the discharged cleaning aqueous solution can reach the environmental standard; the further purpose is to improve the automation level in the cleaning process, improve the working efficiency and reduce the labor intensity.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a waterborne plastic paint production facility, includes reation kettle and belt cleaning device, reation kettle includes the reation kettle cylinder body and dispersion impeller wherein, its characterized in that, the reation kettle cylinder body is made for the stainless steel, reation kettle cylinder body bottom is the arc surface shape, reation kettle cylinder body inner wall is the smooth surface, the drain hole of reation kettle cylinder body bottom sets up the ball valve, belt cleaning device includes high pressure cleaner.
The improvement of the technical scheme is as follows: the upper half part of the reaction kettle cylinder body is cylindrical, the lower half part of the reaction kettle cylinder body is hemispherical, and the inner wall of the reaction kettle cylinder body is a polished surface.
The technical scheme is further improved as follows: the high-pressure cleaning machine is arranged on one side of the reaction kettle cylinder body, and a cleaning liquid collecting container is arranged below the ball valve on the bottom of the reaction kettle cylinder body.
The technical scheme is further improved as follows: the water inlet of high pressure cleaner passes through the three-way valve and is connected with pure water container and water pipe respectively, three-way valve and ball valve are automatically controlled water valve, high pressure cleaner's washing switch and high pressure cleaner's control end all are connected with a controller.
The technical scheme is further improved as follows: the device is characterized in that a liquid level sensing device is arranged in the reaction kettle cylinder body, an electronic flowmeter is arranged on a water outlet pipe of the high-pressure cleaning machine, a signal output end of the liquid level sensing device and a signal output end of the electronic flowmeter are both connected with the controller, and the power of the high-pressure cleaning machine is at least 4 kw.
The technical scheme is further improved as follows: the controller is a single chip microcomputer component or a PLC (programmable logic controller) component.
The cleaning method of the water-based plastic paint production equipment is characterized by comprising the following steps:
(1) after the production of the water-based paint is finished, immediately spraying a certain amount of purified water to flush the reaction kettle cylinder body and the dispersion disc by using a high-pressure cleaning machine after the reaction kettle cylinder body is discharged, and flushing most of the water-based paint remained on the inner wall of the reaction kettle cylinder body and the dispersion disc to form water-based paint aqueous solution to be stored in the reaction kettle cylinder body;
(2) opening a ball valve at the bottom of the reaction kettle cylinder body, collecting the aqueous paint solution in the reaction kettle cylinder body by using a cleaning solution collecting container, marking the aqueous paint solution on the cleaning solution collecting container, and reserving the aqueous paint solution as a production raw material of the same kind of aqueous paint at the next time;
(3) then, putting tap water into the reaction kettle cylinder body by using a high-pressure cleaning machine, carefully cleaning the inner wall of the reaction kettle cylinder body and the dispersion disc, wherein the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
The technical scheme is further improved as follows: wash reation kettle cylinder body and dispersion impeller by controller automatic control, concrete washing step is as follows:
in the step (1), after the production of the water-based paint is finished, the controller controls the ball valve at the bottom of the reaction kettle cylinder to be opened, after the reaction kettle is discharged, the liquid level device sends a signal to the controller, the controller controls the ball valve at the bottom of the reaction kettle cylinder to be closed, opens the three-way valve of the high-pressure cleaning machine and is communicated with the purified water container, simultaneously opens the cleaning switch of the high-pressure cleaning machine, sprays purified water to flush the reaction kettle cylinder and the dispersion disc, washes off most of water-based paint remained on the inner wall of the reaction kettle cylinder and the dispersion disc, forms water-based paint aqueous solution to be stored in the reaction kettle cylinder, when the sprayed purified water reaches a set amount, the electronic flowmeter sends a signal to the controller, and the controller controls the cleaning switch of the high;
in the step (2), the cleaning solution collecting container is placed below the ball valve at the bottom of the reaction kettle cylinder body, the ball valve is opened by the controller, the aqueous paint solution in the reaction kettle cylinder body is collected and marked on the cleaning solution collecting container, and the aqueous paint solution is reserved as a production raw material of the same aqueous paint at the next time;
in the step (3), the controller opens a three-way valve of the high-pressure cleaning machine and is communicated with a tap water pipe, a cleaning switch of the high-pressure cleaning machine is opened simultaneously, tap water is put into the reaction kettle cylinder body, the inner wall of the reaction kettle cylinder body and the dispersion disc are carefully cleaned, and the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
An improvement to the above technical solution: in the step (1), the consumption of purified water is at least 5 kg; in the step (2), the using amount of tap water is at least 60 kg.
Another improvement to the above technical solution: in the step (1), the using amount of the purified water is at least 0.5% of the capacity of the reaction kettle cylinder body; in the step (2), the using amount of tap water is at least 6% of the capacity of the reaction kettle cylinder body.
The invention has the advantages and positive effects that:
1. the bottom of the reaction kettle cylinder body of the water-based plastic paint production equipment is in the shape of an arc surface, the inner wall of the reaction kettle cylinder body is a smooth surface, and a high-pressure cleaning machine is configured to be used as a cleaning device for cleaning the reaction kettle cylinder body and a dispersion disc in the reaction kettle cylinder body. Because the inner wall of the reaction kettle cylinder body is smooth, the adsorption capacity is small (generally less than 1 kg) after emptying is finished, more than 95% of water-based paint residues on the inner wall of the reaction kettle cylinder body and the dispersion disc can be washed away after the high-pressure cleaning machine washes a small amount of pure water, and the formed water-based paint aqueous solution only contains pure water and water-based paint, so that the water-based paint can be used as a raw material in the next production of water-based paint, most of residues cannot be discharged as wastewater, and the production raw materials are saved. Only a small amount (generally less than 10 g) of water-based paint is left on the inner wall of the reaction kettle cylinder body, the water-based paint is washed and diluted by tap water, the diluted water-based paint meets the requirements of normal discharge standards, no waste water is discharged, and the waste water treatment cost and the pollution to the environment are reduced.
2. The invention is provided with the controller, thereby being convenient for realizing automatic control, improving the working efficiency and reducing the labor intensity.
Drawings
FIG. 1 is a front view of an apparatus for producing an aqueous plastic paint according to the present invention;
FIG. 2 is a control schematic diagram of a controller of a water-based plastic paint production apparatus according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples:
referring to fig. 1 and 2, the embodiment of the water-based plastic paint production equipment comprises a reaction kettle 1 and a cleaning device 2, wherein the reaction kettle 1 comprises a reaction kettle cylinder 1.1 and a dispersion disc 1.2 therein, the reaction kettle cylinder 1.1 is made of stainless steel, the bottom of the reaction kettle cylinder 1.1 is in the shape of an arc surface, the inner wall of the reaction kettle cylinder 1.1 is a smooth surface, a ball valve 3 is arranged at a discharge port 1.3 at the bottom of the reaction kettle cylinder 1.1, and the cleaning device 2 comprises a high-pressure cleaning machine 2.1.
Preferably, the upper half part of the reaction kettle cylinder 1.1 is cylindrical, the lower half part of the reaction kettle cylinder 1.1 is hemispherical, and the inner wall of the reaction kettle cylinder 1.1 is a polished surface.
Further, the high-pressure cleaning machine 2.1 is arranged on one side of the reaction kettle cylinder 1.1, and a cleaning liquid collecting container 4 is arranged below the ball valve 3 on the bottom of the reaction kettle cylinder 1.1.
Still further, the water inlet of the high-pressure washer 2.1 is connected with the purified water container and the tap water pipe through a three-way valve 2.2, the three-way valve 2.2 and the ball valve 3 are electrically controlled water valves, and the cleaning switch of the high-pressure washer 2.1, the three-way valve 2.2 and the control end of the high-pressure washer 2.1 are all connected with a controller 6.
In addition, a liquid level sensing device 5 is arranged in the reaction kettle cylinder body 1.1, an electronic flowmeter 2.3 is arranged on a water outlet pipe of the high-pressure cleaning machine 2.1, a signal output end of the liquid level sensing device 5 and a signal output end of the electronic flowmeter 2.3 are both connected with the controller 6, and the power of the high-pressure cleaning machine 2.1 is at least 4 kw.
Generally, the controller 6 is a single chip microcomputer module or a PLC controller module.
The invention relates to a specific implementation mode of a cleaning method of water-based plastic paint production equipment, which comprises the following steps:
(1) after the production of the water-based paint is finished, after the reaction kettle cylinder body 1.1 is discharged, a certain amount of purified water is sprayed out by a high-pressure cleaning machine 2.1 to wash the reaction kettle cylinder body 1.1 and a dispersion disc 1.2, most of water-based paint remained on the inner wall of the reaction kettle cylinder body 1.1 and the dispersion disc 1.2 is washed off to form water-based paint aqueous solution which is stored in the reaction kettle cylinder body 1.1;
(2) opening a ball valve 3 at the bottom of the reaction kettle cylinder 1.1, collecting the aqueous paint solution in the reaction kettle cylinder 1.1 by using a cleaning solution collecting container 4, marking the aqueous paint solution on the cleaning solution collecting container 4, and reserving the aqueous paint solution as a production raw material of the same aqueous paint at the next time;
(3) then, tap water is put into the reaction kettle cylinder body 1.1 through the high-pressure cleaning machine 2.1, the inner wall of the reaction kettle cylinder body 1.1 and the dispersion disc 1.2 are carefully cleaned, and the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
Amount of one example of purified water and tap water: in the step (1), the consumption of the purified water is at least 5 kg; in the step (2), the amount of tap water is at least 60 kg.
Amount of purified water and tap water in another example: in the step (1), the using amount of the purified water is at least 0.5% of the capacity of the reaction kettle cylinder body; in the step (2), the consumption of tap water is at least 6% of the 1.1 volume of the reaction kettle cylinder.
The following is an embodiment 1 of the cleaning method of the water-based plastic paint production equipment of the invention:
the automatic control by controller 6 washs reation kettle cylinder body 1.1 and dispersion impeller 1.2, and concrete washing step is as follows:
(1) after the production of the water-based paint is finished, the controller 6 controls the ball valve 3 at the bottom of the reaction kettle cylinder 1.1 to be opened, after the reaction kettle 1 is discharged, the liquid level device sends a signal to the controller 6, the controller 6 controls the ball valve 3 at the bottom of the reaction kettle cylinder 1.1 to be closed, the three-way valve of the high-pressure cleaning machine is opened and communicated with the purified water container, the cleaning switch of the high-pressure cleaning machine 2.1 is opened at the same time, 8kg of purified water is sprayed out to flush the reaction kettle cylinder 1.1 and the dispersion disc 1.2, most of water-based paint remained on the inner wall of the reaction kettle cylinder 1.1 and the dispersion disc 1.2 is washed off to form water-based paint aqueous solution to be stored in the reaction kettle cylinder 1.1, when the sprayed purified water reaches a set amount, the electronic flow meter 2.3 sends a signal to the controller 6, and the controller 6 controls;
(2) placing a cleaning solution collecting container 4 below a ball valve 3 at the bottom of a reaction kettle cylinder body 1.1, opening the ball valve 3 by a controller 6, collecting aqueous paint aqueous solution in the reaction kettle cylinder body 1.1, marking the aqueous paint aqueous solution on the cleaning solution collecting container 4, reserving the aqueous paint aqueous solution as a production raw material of the same type of aqueous paint at the next time, sending a signal to the controller 6 by a liquid level sensing device 5 when the aqueous paint aqueous solution completely flows out of the reaction kettle cylinder body 1.1, and closing the ball valve 3 by the controller 6;
(3) then, the controller 6 opens the three-way valve 2.2 of the high-pressure cleaning machine 2.1 and is communicated with a tap water pipe, simultaneously opens a cleaning switch of the high-pressure cleaning machine 2.1, 100kg of tap water is put into the reaction kettle cylinder 1.1, the inner wall of the reaction kettle cylinder 1.1 and the dispersion disc 1.2 are carefully cleaned, and the cleaned tap water meets the wastewater discharge standard and is directly discharged.
The following is an embodiment 2 of the cleaning method of the water-based plastic paint production equipment of the invention:
the automatic control by controller 6 washs reation kettle cylinder body 1.1 and dispersion impeller 1.2, and concrete washing step is as follows:
(1) after the production of the water-based paint is finished, the controller 6 controls the ball valve 3 at the bottom of the reaction kettle cylinder 1.1 to be opened, after the reaction kettle 1 is discharged, the liquid level device sends a signal to the controller 6, the controller 6 controls the ball valve 3 at the bottom of the reaction kettle cylinder 1.1 to be closed, a three-way valve of the high-pressure cleaning machine is opened and communicated with a purified water container, meanwhile, a cleaning switch of the high-pressure cleaning machine 2.1 is opened, purified water with the volume of 0.8% of the capacity of the reaction kettle cylinder is sprayed out, the reaction kettle cylinder 1.1 and the dispersion disc 1.2 are washed, most of water-based paint remained on the inner wall of the reaction kettle cylinder 1.1 and the dispersion disc 1.2 is washed out, a water-based paint aqueous solution is formed and exists in the reaction kettle cylinder 1.1, when the sprayed purified water reaches a set amount, the electronic flow meter 2.3 sends a signal to the controller 6, and;
(2) placing a cleaning solution collecting container 4 below a ball valve 3 at the bottom of a reaction kettle cylinder body 1.1, opening the ball valve 3 by a controller 6, collecting aqueous paint aqueous solution in the reaction kettle cylinder body 1.1, marking the aqueous paint aqueous solution on the cleaning solution collecting container 4, reserving the aqueous paint aqueous solution as a production raw material of the same type of aqueous paint at the next time, sending a signal to the controller 6 by a liquid level sensing device 5 when the aqueous paint aqueous solution completely flows out of the reaction kettle cylinder body 1.1, and closing the ball valve 3 by the controller 6;
(3) then, the controller 6 opens the three-way valve 2.2 of the high-pressure cleaning machine 2.1 and is communicated with a tap water pipe, simultaneously opens a cleaning switch of the high-pressure cleaning machine 2.1, puts tap water with the volume of 10% of the capacity of the reaction kettle cylinder body into the reaction kettle cylinder body 1.1, carefully cleans the inner wall of the reaction kettle cylinder body 1.1 and the dispersion disc 1.2, and the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a waterborne plastic paint production facility, includes reation kettle and belt cleaning device, reation kettle includes the reation kettle cylinder body and dispersion impeller wherein, its characterized in that, the reation kettle cylinder body is made for the stainless steel, reation kettle cylinder body bottom is the arc surface shape, reation kettle cylinder body inner wall is the smooth surface, the drain hole of reation kettle cylinder body bottom sets up the ball valve, belt cleaning device includes high pressure cleaner.
2. The apparatus for producing an aqueous plastic paint as claimed in claim 1, wherein the upper half of the cylinder body of the reaction vessel is cylindrical, the lower half of the cylinder body of the reaction vessel is hemispherical, and the inner wall of the cylinder body of the reaction vessel is a polished surface.
3. The apparatus for producing an aqueous plastic paint as claimed in claim 2, wherein the high pressure washer is provided at one side of the reaction vessel cylinder, and a cleaning liquid collecting container is provided below the ball valve on the bottom of the reaction vessel cylinder.
4. The apparatus for producing an aqueous plastic paint according to any one of claims 1 to 3, wherein the water inlet of the high pressure cleaner is connected to the purified water container and the tap water pipe through a three-way valve, respectively, the three-way valve and the ball valve are electrically controlled water valves, and the electrically controlled water valves, the cleaning switch of the high pressure cleaner, and the control end of the high pressure cleaner are connected to a controller.
5. The apparatus for producing aqueous plastic paint as claimed in claim 4, wherein a liquid level device is disposed in the cylinder of the reaction kettle, an electronic flowmeter is disposed on the water outlet pipe of the high-pressure cleaning machine, the signal output end of the liquid level device and the signal output end of the electronic flowmeter are both connected to the controller, and the power of the high-pressure cleaning machine is at least 4 kw.
6. The apparatus for producing an aqueous plastic paint as claimed in claim 5, wherein the controller is a single chip microcomputer module or a PLC controller module.
7. A method for cleaning the apparatus for producing an aqueous plastic paint according to any one of claims 1 to 6, wherein the cleaning method comprises the steps of:
(1) after the production of the water-based paint is finished, immediately spraying a certain amount of purified water to flush the reaction kettle cylinder body and the dispersion disc by using a high-pressure cleaning machine after the reaction kettle cylinder body is discharged, and flushing most of the water-based paint remained on the inner wall of the reaction kettle cylinder body and the dispersion disc to form water-based paint aqueous solution to be stored in the reaction kettle cylinder body;
(2) opening a ball valve at the bottom of the reaction kettle cylinder body, collecting the aqueous paint solution in the reaction kettle cylinder body by using a cleaning solution collecting container, marking the aqueous paint solution on the cleaning solution collecting container, and reserving the aqueous paint solution as a production raw material of the same kind of aqueous paint at the next time;
(3) then, putting tap water into the reaction kettle cylinder body by using a high-pressure cleaning machine, carefully cleaning the inner wall of the reaction kettle cylinder body and the dispersion disc, wherein the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
8. The cleaning method for the water-based plastic paint production equipment as claimed in claim 7, wherein the controller automatically controls the cleaning of the reaction kettle cylinder and the dispersion disc, and the specific cleaning steps are as follows:
in the step (1), after the production of the water-based paint is finished, the controller controls the ball valve at the bottom of the reaction kettle cylinder to be opened, after the reaction kettle is discharged, the liquid level device sends a signal to the controller, the controller controls the ball valve at the bottom of the reaction kettle cylinder to be closed, opens the three-way valve of the high-pressure cleaning machine and is communicated with the purified water container, simultaneously opens the cleaning switch of the high-pressure cleaning machine, sprays purified water to flush the reaction kettle cylinder and the dispersion disc, washes off most of water-based paint remained on the inner wall of the reaction kettle cylinder and the dispersion disc, forms water-based paint aqueous solution to be stored in the reaction kettle cylinder, when the sprayed purified water reaches a set amount, the electronic flowmeter sends a signal to the controller, and the controller controls the cleaning switch of the high;
in the step (2), the cleaning solution collecting container is placed below the ball valve at the bottom of the reaction kettle cylinder body, the ball valve is opened by the controller, the aqueous paint solution in the reaction kettle cylinder body is collected and marked on the cleaning solution collecting container, and the aqueous paint solution is reserved as a production raw material of the same aqueous paint at the next time;
in the step (3), the controller opens a three-way valve of the high-pressure cleaning machine and is communicated with a tap water pipe, a cleaning switch of the high-pressure cleaning machine is opened simultaneously, tap water is put into the reaction kettle cylinder body, the inner wall of the reaction kettle cylinder body and the dispersion disc are carefully cleaned, and the cleaned tap water meets the wastewater discharge standard and can be directly discharged.
9. The cleaning method of an apparatus for manufacturing an aqueous plastic paint according to claim 7 or 8, wherein in the step (1), the amount of purified water is at least 5 kg; in the step (2), the using amount of tap water is at least 60 kg.
10. The cleaning method of the water-based plastic paint production equipment as claimed in claim 7 or 8, wherein in the step (1), the using amount of the purified water is at least 0.5% of the capacity of the reaction kettle cylinder body; in the step (2), the using amount of tap water is at least 6% of the capacity of the reaction kettle cylinder body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910978748.1A CN110876914A (en) | 2019-10-15 | 2019-10-15 | Water-based plastic paint production equipment and cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910978748.1A CN110876914A (en) | 2019-10-15 | 2019-10-15 | Water-based plastic paint production equipment and cleaning method |
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| CN110876914A true CN110876914A (en) | 2020-03-13 |
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| CN201910978748.1A Pending CN110876914A (en) | 2019-10-15 | 2019-10-15 | Water-based plastic paint production equipment and cleaning method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06190347A (en) * | 1992-08-20 | 1994-07-12 | Ishikawajima Harima Heavy Ind Co Ltd | Cleaning method and device |
| CN103087633A (en) * | 2013-01-15 | 2013-05-08 | 三明市永耀涂料有限公司 | Automatic control production method of water-based paint |
| CN104096692A (en) * | 2014-06-30 | 2014-10-15 | 吐鲁番楼兰酒业有限公司 | Automatic cleaning device and cleaning method thereof |
| CN204996393U (en) * | 2015-08-28 | 2016-01-27 | 三棵树涂料股份有限公司 | Emulsion paint dispersion jar that can wash by water automatically |
| CN211098955U (en) * | 2019-10-15 | 2020-07-28 | 相变能源科技（青岛）有限公司 | Water-based plastic paint production facility |
-
2019
- 2019-10-15 CN CN201910978748.1A patent/CN110876914A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06190347A (en) * | 1992-08-20 | 1994-07-12 | Ishikawajima Harima Heavy Ind Co Ltd | Cleaning method and device |
| CN103087633A (en) * | 2013-01-15 | 2013-05-08 | 三明市永耀涂料有限公司 | Automatic control production method of water-based paint |
| CN104096692A (en) * | 2014-06-30 | 2014-10-15 | 吐鲁番楼兰酒业有限公司 | Automatic cleaning device and cleaning method thereof |
| CN204996393U (en) * | 2015-08-28 | 2016-01-27 | 三棵树涂料股份有限公司 | Emulsion paint dispersion jar that can wash by water automatically |
| CN211098955U (en) * | 2019-10-15 | 2020-07-28 | 相变能源科技（青岛）有限公司 | Water-based plastic paint production facility |
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