CN111910191B - Preparation facilities of powder degreaser - Google Patents
Preparation facilities of powder degreaser Download PDFInfo
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- CN111910191B CN111910191B CN202010724867.7A CN202010724867A CN111910191B CN 111910191 B CN111910191 B CN 111910191B CN 202010724867 A CN202010724867 A CN 202010724867A CN 111910191 B CN111910191 B CN 111910191B
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- stirring
- tank
- pure water
- drying
- degreasing agent
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- 239000013527 degreasing agent Substances 0.000 title claims abstract description 49
- 239000000843 powder Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000005237 degreasing agent Methods 0.000 claims abstract description 46
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 45
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 7
- -1 alcohol ether glycoside Chemical class 0.000 claims abstract description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229930182470 glycoside Natural products 0.000 claims abstract description 7
- 239000010457 zeolite Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 91
- 239000007788 liquid Substances 0.000 claims description 71
- 238000007789 sealing Methods 0.000 claims description 25
- 238000007664 blowing Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 5
- 239000002280 amphoteric surfactant Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000000176 sodium gluconate Substances 0.000 claims description 5
- 229940005574 sodium gluconate Drugs 0.000 claims description 5
- 235000012207 sodium gluconate Nutrition 0.000 claims description 5
- 235000010288 sodium nitrite Nutrition 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000002518 antifoaming agent Substances 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000006260 foam Substances 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 238000007127 saponification reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a preparation device of a powder degreasing agent, which adopts sodium hydroxide, has strong saponification and strong cleaning capability; the 4A zeolite is added to avoid the attachment of greasy dirt, so that the cleaning capability is further improved; the EO/PO block polymer is particularly added, so that the foam-inhibiting and defoaming agent has good deoiling effect. The EO/PO block polymers are compatibilized with the alcohol ether glycoside. The main tank body and the sub tank body are integrally arranged, and the sodium hydroxide is utilized to react when meeting water heat, so that the utilization of heat energy is improved, and the energy is saved; the stirring device is used for continuously stirring the solution in the main tank body through the first stirring device and the third stirring device, the solution in the sub tank body is stirred by the second stirring device, and the mutual stirring of the solutions is easier to mix. The third stirring mechanism is formed by overlapping additional stirring units with spiral structures, and is used for cutting and mixing the solution to realize stirring of the solution; the whole solution is in an active state, so that the dissolution of the solution is further promoted.
Description
Technical Field
The invention relates to a preparation device of a powder degreasing agent.
Background
In industrial production, the product is lubricated and cooled by using emulsion composed of various oils, so that the oil lubricant is remained on the surface of the product after the completion of the product, and the oil dirt is removed by a chemical degreasing method and an electrolytic degreasing method before the product is annealed; so as to prevent carburization phenomenon and formation of carbonaceous stain caused by carbonization of the surface of the steel plate during oil stain annealing, and influence the performance and quality of the product during coating or other processing treatments in the post process. The degreasing agent has low alkalinity and large foam, which not only causes the problem of incomplete cleaning, but also causes the consumption of degreasing agent in steel mill, and the defoaming agent needs to be added additionally, thus greatly increasing the labor intensity of field workers and the cleaning cost.
Disclosure of Invention
Aiming at the defects existing in the prior art, the main purpose of the invention is to overcome the defects of the prior art, and discloses a powder degreasing agent which comprises the following components in parts by weight:
20-25% of sodium hydroxide;
0.2 to 0.6 percent of sodium gluconate;
sodium carbonate 0.5-1%;
0.5-1% of 4A zeolite;
0.5-1% of EO/PO block polymer;
3-6% of alcohol ether glycoside;
0.1 to 0.3 percent of sodium nitrite;
0.5-1.5% of amphoteric surfactant;
and the balance of pure water.
A method for preparing a powder degreasing agent, comprising the following steps:
step one, dividing pure water into three parts, and respectively injecting the three parts into a stirring device;
step two, adding sodium hydroxide into the first part of pure water, adding the EO/PO block polymer into the second part of pure water, adding the rest components into the third part of pure water, and uniformly stirring;
step three, when the temperature in the first part of pure water and the third part of pure water is 35-50 ℃, injecting the third part of mixed pure water into the first part of mixed pure water, and stirring for 20-40 minutes;
step four, when the temperature in the first part of pure water and the second part of pure water is 20-35 ℃, injecting the mixed second part of pure water into the first part of mixed pure water, and stirring for 10-20 minutes to prepare a liquid degreasing agent;
fifthly, putting the liquid degreasing agent into a drying device for drying;
and step six, grinding and sieving the dried degreasing agent to prepare the powder degreasing agent.
Further, the stirring device comprises a main tank body, two sub tank bodies, a water pump, a first stirring mechanism, a second stirring mechanism and a third stirring mechanism, wherein the first stirring mechanism for stirring is arranged in the main tank body, the second stirring mechanism for stirring is arranged in the sub tank body, the sub tank bodies are attached to the main tank body, and the water pump and the third stirring mechanism are arranged on the main tank body through pipelines and form a circulating loop with the main tank body; the sub tank body is connected between the water pump and the third stirring mechanism through a pipeline, the sub tank body comprises a body and a sealing cover, an air inlet and a feeding port are formed in the upper end of the body, the air inlet is connected with an air source, and the sealing cover is arranged on the feeding port in a sealing mode.
Further, the third stirring mechanism comprises a shell, a mounting block and a mixing pipe, wherein a mounting cavity for mounting the mounting block is formed in the shell, a plurality of penetrating mounting pipes are arranged on the mounting block, the mixing pipe is arranged in the mounting pipe, and a liquid inlet and a liquid outlet are respectively formed in two ends of the shell; the mixing pipe comprises a pipe and a plurality of overlapped stirring units, wherein the stirring units are spiral, and the lower end of one stirring unit is perpendicular to the upper end of the other stirring unit.
The utility model provides a drying device of powder degreaser, includes drying cylinder, base, actuating mechanism, blast apparatus, heating device, circulating device, cylinder and cover, the drying cylinder rotates and sets up on the base, actuating mechanism sets up on the base, utilize actuating mechanism drive the drying cylinder vertically rotates, the below of the lateral wall of drying cylinder sets up the opening with close open-ended sealed lid, the cylinder sets up the circumference of drying cylinder, the cover sets up on the cylinder, utilize cylinder drive cover is opened and is closed the drying cylinder, heating device sets up in the lateral wall of drying cylinder, circulating device will liquid jet in the drying cylinder is in on the inner wall of drying cylinder, blast apparatus sets up on the cover, right in the drying cylinder is bloied and will vapor in the drying cylinder is discharged.
Further, circulating device includes drawing liquid pipe, hydrojet pipe, suction pump, filter head, electro-magnet, the suction pump sets up on the cover, the suction pipe extends to the drying cylinder bottom, the filter head slides and sets up drawing liquid pipe tip, the electro-magnet sets up on the suction pipe, utilize the electro-magnet attracts the filter head, drying cylinder inner wall upper end sets up the step of inward sloping, the hydrojet pipe extends to the step top, the below of drying cylinder's lateral wall sets up opening and closure open-ended sealed lid.
Further, blast apparatus includes a plurality of blast heads, blast pipe, heating cabinet, dehumidification case, filter mantle and hair-dryer, the blast head sets up the bottom of cover, through the blast pipe with the heating cabinet is connected, the dehumidification case sets up on the cover, set up with the exhaust port of drying canister intercommunication, the filter mantle sets up on the exhaust port, the dehumidification case passes through the hair-dryer with the heating cabinet is connected.
Further, the air blowing head forms an included angle of 50 degrees with the tangent line in the drying tank and forms an included angle of 45 degrees with the horizontal plane.
Further, the driving mechanism comprises a motor and a cam, one side of the bottom of the drying tank is rotationally connected with the base through a rotating shaft, the cam is rotationally arranged on the other side of the bottom of the drying tank, and the motor is used for driving the cam to rotate.
Further, a hollow heat insulation layer is arranged on the side wall of the drying tank.
The invention has the beneficial effects that:
sodium hydroxide is adopted, so that the saponification effect is strong, and the cleaning capability is strong; the 4A zeolite is added to avoid the attachment of greasy dirt, so that the cleaning capability is further improved; the EO/PO block polymer is particularly added, so that the foam-inhibiting and defoaming agent has good deoiling effect. The EO/PO block polymers are compatibilized with the alcohol ether glycoside. The main tank body and the sub tank body are integrally arranged, and the sodium hydroxide is utilized to react when meeting water heat, so that the utilization of heat energy is improved, and the energy is saved; the stirring device is used for continuously stirring the solution in the main tank body through the first stirring device and the third stirring device, the solution in the sub tank body is stirred by the second stirring device, and the mutual stirring of the solutions is easier to mix. The third stirring mechanism is formed by overlapping additional stirring units with spiral structures, and is used for cutting and mixing the solution to realize stirring of the solution; the whole solution is in an active state, so that the dissolution of the solution is further promoted; the first stirring mechanism promotes the solution in the main tank body to rotate clockwise, and simultaneously the solution entering the main tank body through the third stirring mechanism rotates anticlockwise, and the two solutions collide with each other, so that the solution dissolution is further promoted. The drying device promotes liquid flow by using the circulating device, fully contacts with the side wall of the drying tank, simultaneously utilizes the blower to exchange internal gas, sucks water vapor and blows dry hot air into the drying tank, and further improves the drying efficiency. The opening and closing of the liquid suction pipe are realized by skillfully utilizing the electromagnet, and the dried degreasing agent is prevented from entering the liquid suction pipe.
Drawings
FIG. 1 is a schematic perspective view of a stirring device according to the present invention;
FIG. 2 is a schematic view of the structure of the sub-tank;
FIG. 3 is a schematic view of the internal structure of the sub-tank;
FIG. 4 is a schematic structural view of a first stirring mechanism;
FIG. 5 is a schematic structural view of a second stirring mechanism;
FIG. 6 is a schematic structural view of a third stirring mechanism;
FIG. 7 is a schematic view of the internal structure of FIG. 6;
FIG. 8 is a schematic structural view of the housing;
fig. 9 is a schematic structural view of the outer cap;
FIG. 10 is a schematic view of the construction of the mounting block;
FIG. 11 is a schematic structural view of a mixing tube;
FIG. 12 is a schematic view of the structure of the liquid inlet pipe;
FIG. 13 is a schematic structural view of a powder degreasing agent drying device according to the present invention;
FIG. 14 is a schematic diagram of the distribution of spray pipes;
FIG. 15 is a schematic view of a filter head;
the reference numerals are as follows:
1. the main tank body, 2, the sub tank body, 3, the water pump, 4, the first stirring mechanism, 7, the liquid inlet pipe, 21, the main body, 22, the sealing cover, 41, the motor, 42, the rotating shaft, 43, the blade, 61, the shell, 62, the mounting block, 63, the mixing pipe, 64, the three-way valve, 71, the main pipe, 72, the sub pipe, 611, the mounting cavity, 612, the shell, 613, the sealing strip, 614, the outer cover, 615, the sealing groove, 616, the sealing flange, 621, the mounting pipe, 631, the pipe body, 632, the stirring unit, 633, the positioning block, 211, the air inlet, 212, a feed inlet, 91, a drying tank, 92, a base, 93, a driving mechanism, 94, a blowing device, 95, a heating device, 96, a circulating device, 97, an air cylinder, 98, a tank cover, 99, a hollow heat insulation layer, 911, a sealing cover, 931, a motor, 932, a cam, 941, a blowing head, 942, a blast pipe, 943, a heating box, 944, a dehumidifying box, 945, a filter cover, 946, a blower, 961, a drawing pipe, 962, a spraying pipe, 963, a water pump, 964, a filter head, 965, an electromagnet, 966, an end cover, 967 and a filter screen.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
The preparation method of the powder degreasing agent comprises the following components in parts by weight:
20% of sodium hydroxide;
0.2% of sodium gluconate;
sodium carbonate 0.5%;
0.5% of 4A zeolite;
0.5% of EO/PO block polymer;
alcohol ether glycoside 3%;
sodium nitrite 0.1%;
0.5% of an amphoteric surfactant;
pure water balance;
the method comprises the following steps:
step one, dividing pure water into three parts, and respectively injecting the three parts into a stirring device;
step two, adding sodium hydroxide into the first part of pure water, adding the EO/PO block polymer into the second part of pure water, adding the rest components into the third part of pure water, and uniformly stirring;
step three, when the temperature in the first part of pure water and the third part of pure water is 35-50 ℃, injecting the third part of mixed pure water into the first part of mixed pure water, and stirring for 20-40 minutes;
step four, when the temperature in the first part of pure water and the second part of pure water is 20-35 ℃, injecting the mixed second part of pure water into the first part of mixed pure water, and stirring for 10-20 minutes to prepare a liquid degreasing agent;
fifthly, putting the liquid degreasing agent into a drying device for drying;
and step six, grinding and sieving the dried degreasing agent to prepare the powder degreasing agent.
Examples
The preparation method of the powder degreasing agent comprises the following components in parts by weight:
18% of sodium hydroxide;
0.4% of sodium gluconate;
sodium carbonate 0.8%;
0.8% of 4A zeolite;
0.8% EO/PO block polymer;
alcohol ether glycoside 4.68%;
sodium nitrite 0.2%;
0.96% of an amphoteric surfactant;
pure water balance;
the method comprises the following steps:
step one, dividing pure water into three parts, and respectively injecting the three parts into a stirring device;
step two, adding sodium hydroxide into the first part of pure water, adding the EO/PO block polymer into the second part of pure water, adding the rest components into the third part of pure water, and uniformly stirring;
step three, when the temperature in the first part of pure water and the third part of pure water is 35-50 ℃, injecting the third part of mixed pure water into the first part of mixed pure water, and stirring for 20-40 minutes;
step four, when the temperature in the first part of pure water and the second part of pure water is 20-35 ℃, injecting the mixed second part of pure water into the first part of mixed pure water, and stirring for 10-20 minutes to prepare a liquid degreasing agent;
fifthly, putting the liquid degreasing agent into a drying device for drying;
and step six, grinding and sieving the dried degreasing agent to prepare the powder degreasing agent.
Examples
The preparation method of the powder degreasing agent comprises the following components in parts by weight:
25% of sodium hydroxide;
0.6% of sodium gluconate;
sodium carbonate 1%;
1% of 4A zeolite;
EO/PO block polymer 1%;
alcohol ether glycoside 6%;
sodium nitrite 0.3%;
1.5% of an amphoteric surfactant;
pure water balance;
the method comprises the following steps:
step one, dividing pure water into three parts, and respectively injecting the three parts into a stirring device;
step two, adding sodium hydroxide into the first part of pure water, adding the EO/PO block polymer into the second part of pure water, adding the rest components into the third part of pure water, and uniformly stirring;
step three, when the temperature in the first part of pure water and the third part of pure water is 35-50 ℃, injecting the third part of mixed pure water into the first part of mixed pure water, and stirring for 20-40 minutes;
step four, when the temperature in the first part of pure water and the second part of pure water is 20-35 ℃, injecting the mixed second part of pure water into the first part of mixed pure water, and stirring for 10-20 minutes to prepare a liquid degreasing agent;
fifthly, putting the liquid degreasing agent into a drying device for drying;
and step six, grinding and sieving the dried degreasing agent to prepare the powder degreasing agent.
The invention discloses a stirring device for a powder degreasing agent, which comprises a main tank body 1, two sub tank bodies 2, a water pump 3, a first stirring mechanism 4, a second stirring mechanism and a third stirring mechanism, wherein the first stirring mechanism 4 for stirring is arranged in the main tank body 1, the second stirring mechanism for stirring is arranged in the sub tank bodies 2, the sub tank bodies 2 are attached to the side wall of the main tank body 1, exothermic reaction is carried out between sodium hydroxide and water, and heat transfer between the main tank bodies 1 and the sub tank bodies 2 is utilized to heat solution in the sub tank bodies 2. The main tank body 1 is provided with a liquid outlet and a liquid inlet, and the liquid outlet is connected with the water pump 3 and the third stirring mechanism through pipelines at one time and flows back to the liquid inlet. The liquid in the main tank body 1 is pumped out through the water pump 3 and is stirred by the third stirring mechanism and then returned into the main tank body 1. A liquid outlet is arranged on the sub tank body 2 and is connected between the water pump 3 and the third stirring mechanism through a pipeline; and a valve is arranged at the liquid outlet to control the opening or closing of the liquid outlet. The sub-tank 2 comprises a body 21 and a sealing cover 22, wherein an air inlet 211 and a feed inlet 212 are formed in the top of the body 21, and the sealing cover 22 is arranged at the feed inlet 212 in a sealing manner; the air inlet 211 is connected to an air source. After the liquid in the sub tank 2 is stirred by the second stirring mechanism, a liquid outlet valve is opened, and the gas source sends gas into the sub tank 2 through the gas inlet 211, so that the solution in the sub tank 2 is discharged and simultaneously enters the third stirring mechanism for mixing with the solution in the main tank 1 loop. Which can adjust the discharge rate of the solution in the sub-tank 2 by controlling the air pressure in the sub-tank 2. Preferably, the liquid outlet of the sub tank 2 is also provided with a one-way valve (not shown); so as to prevent the solution in the loop of the main tank body 1 from being reversely poured into the sub tank body 2.
In one embodiment, as shown in fig. 4, the first stirring mechanism 4 includes a motor 41, a rotating shaft 42 and a blade 43, the rotating shaft 42 is rotatably disposed in the main tank 1, the blade 43 is circumferentially disposed around the rotating shaft 42, the motor 41 is disposed at the top of the main tank 1, and the rotating shaft 42 is driven by the motor 1 to rotate the blade 43. And then the solution in the main tank body 1 is mixed.
In one embodiment, as shown in fig. 5, the second stirring mechanism comprises an air compressor and an air inlet pipe, the air inlet pipe is arranged at the bottom of the sub-tank 2 and is connected with the air compressor, the air inlet pipe is provided with a plurality of air holes, and the air compressor is used for feeding air into the air inlet pipe and discharging the air from the air holes. Bubbles are generated in the solution, and the solution is stirred by the bubbles. In addition, as the sub-tank body 2 is a closed container, the gas introduced by the second stirring mechanism is always stored in the sub-tank body 2, the pressure in the sub-tank body 2 is continuously increased, and when the valve of the liquid outlet is opened, the solution is discharged by utilizing the pressure in the sub-tank body 2; when the pressure in the sub tank 2 is insufficient, the pressure is supplemented through the air inlet 211 so as to ensure that the subsequent solution is normally discharged.
In an embodiment, as shown in fig. 6-11, the third stirring mechanism includes a casing 61, a mounting block 62 and a mixing pipe 63, a mounting cavity 611 for mounting the mounting block 62 is provided in the casing 61, a plurality of through mounting pipes 621 are provided on the mounting block 62, the mixing pipe 63 is provided in the mounting pipe 621, and two ends of the casing 61 are respectively provided with a liquid inlet and a liquid outlet. The solution is pumped into the mixing pipe 63 from the liquid inlet through the water pump 3, mixed by the mixing pipe, discharged from the liquid outlet, and guided back into the main tank body 1 through the pipe. The mixing pipe 63 includes a pipe body 631 and a plurality of overlapped stirring units 632, the stirring units 632 are spiral, and the lower end of one stirring unit 632 is perpendicular to the upper end of the other stirring unit 632. Therefore, the solution is cut and rotated by the stirring unit 632 and then cut by the next stirring unit 632, so as to mix the solution. The housing 61 comprises a casing 612, a sealing strip 613 and an outer cover 614, a mounting cavity 611 is recessed in said casing 612, a sealing groove 615 is recessed on the upper surface of the casing 612 around the periphery of the mounting cavity 611, a sealing flange 616 is provided in the sealing groove and cooperates with the sealing groove 615 at a corresponding position of the outer cover 614, the sealing strip 613 is provided in the sealing groove,
in the above embodiment, as shown in fig. 6 to 11, the positioning block 633 is disposed on the side wall of the mixing tube 63, and the positioning groove matched with the positioning block 633 is disposed on the inner wall of the mounting tube 621. When in installation, the positioning block 633 is arranged in the positioning groove to prevent the mixing pipe 63 from rotating.
In an embodiment, as shown in fig. 6-11, in order to facilitate the discharge of the stirred liquid in the main tank 1, the liquid outlet end of the third stirring mechanism is connected to a three-way valve 64, one end of the three-way valve 64 is connected to the main tank 1, and the other end is a liquid outlet. When stirring, the three-way valve 64 connects the third stirring mechanism and the main tank 1; when discharging, the three-way valve 64 connects the third stirring mechanism and the liquid outlet, and the liquid in the main tank 1 is pumped out by the water pump 3 and discharged from the liquid outlet by the third stirring mechanism.
In one embodiment, as shown in fig. 12, the liquid inlet pipe 7 is further included, and the liquid inlet pipe 7 includes a main pipe 71 and a sub-pipe 72 axially arranged at 71; the main pipe 71 is provided with a liquid inlet, and the sub-pipe 72 is provided with a liquid outlet. The liquid inlet of the liquid inlet pipe 7 is connected with the three-way valve 64, the liquid outlet is connected with the main tank body 1, and the liquid inlet direction is tangential with the main tank body 1. The liquid in the main tank body 1 is stirred clockwise through the first stirring mechanism 4, so that the solution flows clockwise, the solution discharged from the liquid outlet flows anticlockwise along the inner wall of the main tank body 1, and the two solutions mutually collide, so that the solution mixing efficiency is improved.
The invention also discloses a drying device of the powder degreasing agent, which is shown in fig. 13-15, and comprises a drying tank 91, a base 92, a driving mechanism 93, a blowing device 94, a heating device 95, a circulating device 96, an air cylinder 97 and a tank cover 98, wherein the drying tank 91 is rotatably arranged on the base 92, the driving mechanism 93 is arranged on the base 92, the drying tank 91 is driven to vertically rotate by the driving mechanism 93, sealing covers 911 with openings and closing openings are arranged below the side wall of the drying tank 91, four air cylinders 97 are arranged on the side wall of the drying tank 91 at equal intervals, the tank cover 98 is arranged on the air cylinder 97, the tank cover 98 is driven to open and close the drying tank 91 by the air cylinder 97, a partition layer is arranged in the side wall of the drying tank 91, and the heating device 95 is arranged in the partition layer to heat the drying tank 91; typically, the heating device 95 is a heating wire. The circulation device 96 causes the liquid in the drying tank 91 to flow and sufficiently contact the inner wall of the drying tank 91. The blowing device 94 blows air into the drying tank 91 to promote the flow of air in the drying tank 91 and to discharge the moisture in the drying tank 91.
In one embodiment, as shown in fig. 13-15, the circulation device 96 includes a suction pipe 961, a spray pipe 962, a suction pump 963, a filter head 964, and an electromagnet 965, the suction pump 963 is disposed on the tank cover 98, one end of the suction pipe 961 is connected to the suction pump 963, the other end extends to the bottom of the drying tank 91, the filter head 964 is slidably disposed at an end of the suction pipe, and the electromagnet 965 is disposed on the suction pipe 961 along an axial direction of the suction pipe 961; when the electromagnet 965 is powered off, the filter head 964 slides down by its own weight, so that the liquid suction tube 961 is opened; when the circulation device 96 is not in use, the electromagnet 965 is energized, and the filter head 964 is moved upward by magnetic attraction, so that the liquid suction tube 961 is closed. Specifically, the filter head 964 includes an end cap 966 and an upwardly projecting annular filter screen 967, and when opened, liquid enters the pump tube 961 from the filter screen 967; when closed, the filter head 964 moves upward and the end cap 966 plugs the extractor tube 961. Preferably, in order to prevent the suction pump 963 from operating, the water flow sucks the filter head 964, and then closes the suction pipe 961, and the electromagnet 965 is also provided at the bottom of the drying tank 91, and when the circulation device 96 is operated, the electromagnet 965 at the bottom operates to suck the filter head 964. The upper end of the inner wall of the drying tank 91 is provided with an inwardly inclined step, one end of the liquid spraying pipe 962 is connected with the water suction pump 963, and the other end extends to the upper part of the step.
In one embodiment, as shown in fig. 13-15, the blowing device 94 includes a plurality of blowing heads 941, a blowing pipe 942, a heating box 943, a dehumidifying box 944, a filter cap 945 and a blower 946, the blowing heads 941 are disposed at the bottom of the tank cover 98, connected to the heating box 943 through the blowing pipe 942, the dehumidifying box 944 is disposed on the tank cover 98, an air suction port communicating with the drying tank 91 is provided, and the filter cap 945 is disposed on the air suction port to ensure that only water vapor is drawn out; the dehumidifying tank 944 is connected to the heating tank 943 by a blower 946. Circulation of the internal gas is achieved by the blowing device 94 and the heated evaporated moisture is discharged. Hot air is blown into the drying tank 91 through the heating box 943. Preferably, the blowing head 941 forms an angle of 50 ° with the tangent line of the drying tank 91 and an angle of 45 ° with the horizontal. So that the blowing-in wind takes a cyclone shape.
In one embodiment, as shown in fig. 13 to 15, the driving mechanism 93 includes a motor 931 and a cam 932, one side of the bottom of the drying pot 91 is rotatably connected to the base 92 through a rotation shaft, and the cam 932 is rotatably provided at the other side, and the cam 932 is driven to rotate by the motor 931. When the cam 932 is rotated to a long diameter vertical setting, the drying tank 91 is inclined by 15 °, so that the dried matter inside the drying tank 91 is taken out from the opening. When the end diameter of the cam 932 is set vertically, the drying tank 91 is placed horizontally. Preferably, the drying tank 91 is made more stable in operation, a plurality of pads are provided on the base to support the drying tank 91 and reduce the load of the cam 932.
In one embodiment, as shown in fig. 13-15, the side wall of the drying tank 91 is provided with a hollow insulating layer 99. To reduce heat dissipation.
When the drying device is used, as shown in fig. 13-15, the tank cover 98 is opened, the liquid degreasing agent is poured into the drying tank 91, the tank cover 98 is closed, the heating device 95 is started to heat the drying tank 91, the circulating device is started to pump the degreasing agent to the upper end of the drying tank 91 and fully contact with the side wall of the drying tank 91, meanwhile, the flowing liquid is prevented from being overheated to cause the degreasing agent to adhere to the inside, the blowing device is started to suck vapor evaporated in the drying tank 91 and blow hot air, and the gas flow in the drying tank 91 is promoted. When water accounting for 50% of the total mass is sucked away, the circulating device is stopped, and the electromagnet on the liquid suction pipe works to close the liquid suction pipe, so that the dried degreasing agent is prevented from entering the liquid suction pipe. The degreasing agent is dried by the blowing device 94 until the drying tank 91. The sealing cap 911 is opened, the driving mechanism 93 is activated, the drying tank 91 is tilted, and the dried degreasing agent is discharged from the opening.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present invention.
Claims (7)
1. The preparation device of the powder degreasing agent is characterized by comprising the following components in parts by weight:
20-25% of sodium hydroxide;
0.2 to 0.6 percent of sodium gluconate;
sodium carbonate 0.5-1%;
0.5-1% of 4A zeolite;
0.5-1% of EO/PO block polymer;
3-6% of alcohol ether glycoside;
0.1 to 0.3 percent of sodium nitrite;
0.5-1.5% of amphoteric surfactant;
pure water balance;
the preparation method of the powder degreasing agent comprises the following steps:
step one, dividing pure water into three parts, and respectively injecting the three parts into a stirring device;
step two, adding sodium hydroxide into the first part of pure water, adding the EO/PO block polymer into the second part of pure water, adding the rest components into the third part of pure water, and uniformly stirring;
step three, when the temperature in the first part of pure water and the third part of pure water is 35-50 ℃, injecting the third part of mixed pure water into the first part of mixed pure water, and stirring for 20-40 minutes;
step four, when the temperature in the first part of pure water and the second part of pure water is 20-35 ℃, injecting the mixed second part of pure water into the first part of mixed pure water, and stirring for 10-20 minutes to prepare a liquid degreasing agent;
fifthly, putting the liquid degreasing agent into a drying device for drying;
step six, grinding and sieving the dried degreasing agent to prepare a powder degreasing agent;
the drying device comprises a drying tank, a base, a driving mechanism, a blowing device, a heating device, a circulating device, an air cylinder and a tank cover, wherein the drying tank is rotatably arranged on the base, the driving mechanism is arranged on the base, the drying tank is driven to vertically rotate by the driving mechanism, an opening and a sealing cover for closing the opening are arranged below the side wall of the drying tank, the air cylinder is arranged in the circumferential direction of the drying tank, the tank cover is arranged on the air cylinder, the air cylinder is used for driving the tank cover to open and close the drying tank, the heating device is arranged in the side wall of the drying tank, the circulating device is used for spraying liquid in the drying tank on the inner wall of the drying tank, and the blowing device is arranged on the tank cover and is used for blowing air in the drying tank and discharging water vapor in the drying tank;
the circulating device comprises a liquid suction pipe, a liquid spraying pipe, a water suction pump, a filter head and an electromagnet, wherein the water suction pump is arranged on the tank cover, the liquid suction pipe extends to the bottom of the drying tank, the filter head is arranged at the end part of the liquid suction pipe in a sliding mode, the electromagnet is arranged on the liquid suction pipe, the electromagnet is utilized to attract the filter head, an inward-inclined step is arranged at the upper end of the inner wall of the drying tank, the liquid spraying pipe extends to the upper side of the step, and an opening and a closing sealing cover of the opening are arranged below the side wall of the drying tank.
2. The apparatus for preparing a powder degreasing agent according to claim 1, wherein the stirring apparatus comprises a main tank body, two sub tank bodies, a water pump, a first stirring mechanism, a second stirring mechanism and a third stirring mechanism, wherein the first stirring mechanism for stirring is arranged in the main tank body, the second stirring mechanism for stirring is arranged in the sub tank body, the sub tank bodies are attached to the main tank body, and the water pump and the third stirring mechanism are arranged on the main tank body through pipelines and form a circulation loop with the main tank body; the sub tank body is connected between the water pump and the third stirring mechanism through a pipeline, the sub tank body comprises a body and a sealing cover, an air inlet and a feeding port are formed in the upper end of the body, the air inlet is connected with an air source, and the sealing cover is arranged on the feeding port in a sealing mode.
3. The device for preparing the powder degreasing agent according to claim 2, wherein the third stirring mechanism comprises a shell, an installation block and a mixing pipe, an installation cavity for installing the installation block is arranged in the shell, a plurality of penetrating installation pipes are arranged on the installation block, the mixing pipe is arranged in the installation pipe, and a liquid inlet and a liquid outlet are respectively arranged at two ends of the shell; the mixing pipe comprises a pipe and a plurality of overlapped stirring units, wherein the stirring units are spiral, and the lower end of one stirring unit is perpendicular to the upper end of the other stirring unit.
4. The powder degreasing agent preparation device according to claim 1, wherein the blowing device comprises a plurality of blowing heads, an air supply pipe, a heating box, a dehumidifying box, a filter cover and a blower, wherein the blowing heads are arranged at the bottom of the tank cover and are connected with the heating box through the air supply pipe, the dehumidifying box is arranged on the tank cover and is provided with an air suction opening communicated with the drying tank, the filter cover is arranged on the air suction opening, and the dehumidifying box is connected with the heating box through the blower.
5. The apparatus of claim 4, wherein the blowing head is disposed at an angle of 50 ° to the tangent line of the drying tank and at an angle of 45 ° to the horizontal.
6. The apparatus for preparing a powder degreasing agent as claimed in claim 1, wherein the driving mechanism comprises a motor and a cam, one side of the bottom of the drying tank is rotatably connected with the base through a rotating shaft, the cam is rotatably arranged on the other side, and the cam is driven to rotate by the motor.
7. The apparatus for preparing a powder degreasing agent as claimed in claim 1, wherein the drying tank has a hollow heat insulating layer provided on a side wall thereof.
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PCT/CN2020/114729 WO2022016688A1 (en) | 2020-07-24 | 2020-09-11 | Powder degreasing agent, preparation method therefor and drying device thereof |
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CN114993006B (en) * | 2022-04-01 | 2023-06-20 | 江苏福瑞达新材料有限公司 | Efficient antioxidant drying device |
CN115107263B (en) * | 2022-06-21 | 2023-07-25 | 上海雄林新材料科技有限公司 | Shading film and preparation method thereof |
CN116061374A (en) * | 2023-03-07 | 2023-05-05 | 盐城永悦智能装备有限公司 | Novel injection molding equipment and process for unmanned aerial vehicle component |
CN117781631B (en) * | 2024-02-23 | 2024-05-14 | 山东吉隆达生物科技有限公司 | Drying device that potassium magnesium sulfate salt preparation was used |
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