CN110665446A - Research and development method for low-ammonia-nitrogen environment-friendly leveling liquid - Google Patents
Research and development method for low-ammonia-nitrogen environment-friendly leveling liquid Download PDFInfo
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- CN110665446A CN110665446A CN201910924305.4A CN201910924305A CN110665446A CN 110665446 A CN110665446 A CN 110665446A CN 201910924305 A CN201910924305 A CN 201910924305A CN 110665446 A CN110665446 A CN 110665446A
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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Abstract
The invention discloses a development method of a low ammonia nitrogen environment-friendly leveling liquid, which comprises a reaction kettle and a discharge pipe, wherein the discharge pipe is arranged at the bottom position of the right side of the reaction kettle, the preparation components of the existing leveling liquid are changed into EDTA-disodium (0.001% -0.01%), inorganic acid (2%), organic amine (8%), antirust agent (15%), corrosion inhibitor (15%), film forming agent (10%), lubricating agent (15%) and purified water (35%), the preparation work of the leveling liquid is carried out by the production raw materials, the component proportion of elements such as ammonia nitrogen and the like in a finished product of the leveling liquid can be effectively reduced on the premise of realizing the self effect of the leveling liquid, the environment-friendly performance of the leveling liquid is effectively improved, the problems of pollution and the like generated when the leveling liquid is used can be effectively reduced, and meanwhile, the added inorganic acid and antirust agent are matched with organic amine, so that the cleaning performance and the antirust performance of, the occurrence of the conditions such as corrosion and the like of the flattened steel plate can be effectively avoided.
Description
Technical Field
The invention belongs to the technical field of leveling liquid correlation, and particularly relates to a low-ammonia nitrogen environment-friendly leveling liquid research and development method.
Background
The cold-rolled steel sheet needs to be subjected to temper rolling after being annealed in the manufacturing process, wet temper rolling is generally performed by a temper mill in the temper rolling process, and temper rolling liquid is used for auxiliary work in the wet temper rolling process.
The prior leveling liquid technology has the following problems: the ammonia nitrogen composition is higher in current levelling liquid, can cause great pollution and harm to user's health when using, and the emission after using the completion also can increase user's blowdown treatment cost simultaneously, and there is pollutants such as dust on the cold-rolled steel sheet surface after the work of returning goods, and current levelling liquid cleaning performance and antirust property are relatively poor.
Disclosure of Invention
The invention aims to provide a research and development method of a low ammonia nitrogen environment-friendly leveling solution, which aims to solve the problems of high ammonia nitrogen content, poor cleaning performance and poor antirust performance in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a low-ammonia-nitrogen environment-friendly leveling liquid research and development method comprises a reaction kettle and a discharging pipe, wherein the discharging pipe is arranged at the bottom position of the right side of the reaction kettle, a base is arranged at the bottom position of the reaction kettle, a side heating device is arranged at the lower position of the top of the reaction kettle, an auxiliary handle is arranged at the lower position of the top of the right side of the reaction kettle, a top cover is arranged at the top position of the reaction kettle, a top heating device is arranged at the lower middle position of the top cover, a feeding pipe is arranged at the lower middle position of the top cover, a motor frame is arranged at the middle position of the top cover, the reaction kettle comprises a working motor, a feeding port, a kettle body, a working shaft, a connecting shaft, a filtering device, a discharging port, a stirring blade, a heating plate, a heating pipe, a heating port and a fixing frame, the, the intermediate position department of work motor is provided with the mount, and the work motor passes through mount fixed mounting on the cauldron body, the bottom position department of work motor is provided with the working shaft, the connecting axle has been cup jointed to the top position department in the bottom of working shaft, the left side position department of connecting axle is provided with the stirring leaf, the top middle left side position department of the cauldron body is provided with the heating mouth, the bottom position department of heating mouth is provided with the heating pipe, the top middle right side position department of the cauldron body is provided with the feed inlet, the inboard left side position department of the cauldron body is provided with the hot plate, the right side bottom position department of the cauldron body is provided with the discharge gate, the inboard left end position department of discharge gate is provided with filter equipment.
Preferably, the filtering device comprises an installation frame and a filter screen, the filter screen is arranged on the inner side of the installation frame, and the size of the filter screen is 100 meshes.
Preferably, the inlet pipe is provided with two altogether, and two inlet pipes's size and shape are all the same, two the even setting of inlet pipe is in the corresponding position department in top both sides of top cap.
Preferably, the auxiliary handles are four in number, the four auxiliary handles are identical in size and shape, and the four auxiliary handles are uniformly arranged at the lower position of the top of the reaction kettle.
Preferably, the top heating devices are arranged in six, the six top heating devices are identical in size and shape, and the six top heating devices are uniformly arranged at the lower position of the top cover.
Preferably, the feed inlets are provided with two feed inlets, the size and the shape of the two feed inlets are the same, and the two feed inlets are uniformly arranged at the positions corresponding to the feed pipes.
Preferably, the number of the stirring blades is two, the size and the shape of the two stirring blades are the same, and the two stirring blades are uniformly arranged at the positions of the two sides of the connecting shaft.
Preferably, the heating pipes are arranged in six, the six heating pipes are identical in size and shape, and the six heating pipes are respectively arranged at the bottom positions of the six heating ports.
Preferably, the heating ports are arranged in six, the six heating ports are identical in size and shape, and the six heating ports are uniformly arranged at positions corresponding to the top heating device.
Preferably, the leveling liquid comprises EDTA-disodium (0.001% -0.01%), inorganic acid (2%), organic amine (8%), antirust agent (15%), corrosion inhibitor (15%), film forming agent (10%), lubricant (15%) and purified water (35%).
Preferably, the inorganic acid is phosphoric acid, the organic amine is monoethanolamine, the antirust agent is NH2CH2CH2OH, the corrosion inhibitor is sodium benzoate, sodium molybdate, ammonium molybdate, sodium salicylate, tolyltriazole, benzotriazole and triazole, the film forming agent is phosphate, a pumping acid salt, phosphate, borate and molybdate, the lubricant is high-molecular polyether and an oily additive, and the purified water is distilled water.
Preferably, the preparation steps of the leveling liquid are as follows:
firstly, sequentially adding EDTA-disodium, inorganic acid and organic amine into a reaction kettle, then stirring and heating to 85 ℃, and after complete reaction, keeping the temperature for 15 minutes;
secondly, adding an antirust agent and a corrosion inhibitor after the temperature in the reaction kettle is reduced to 70 ℃, and circularly stirring for 20 minutes;
thirdly, after the temperature in the reaction kettle is reduced to 50 ℃, adding a film forming agent and a lubricant, and circularly stirring for 35 minutes;
fourthly, adding purified water, and circularly stirring for 20 minutes;
fifth step, sampling and checking appearance style: 1% emulsion has no layering; the PH value is 8-10, and the cast iron scrap is rust-proof 3% water solution; no corrosion is caused;
and sixthly, taking out the finished product of the leveling liquid in the reaction kettle after the detection is qualified.
Compared with the prior art, the invention provides a research and development method of a low-ammonia nitrogen environment-friendly leveling liquid, which has the following beneficial effects: according to the invention, the preparation components of the existing leveling liquid are changed into EDTA-disodium (0.001% -0.01%), inorganic acid (2%), organic amine (8%), antirust agent (15%), corrosion inhibitor (15%), film forming agent (10%), lubricant (15%) and purified water (35%), the leveling liquid is prepared by the production raw materials, the component proportion of elements such as ammonia nitrogen and the like in a finished leveling liquid product can be effectively reduced on the premise of realizing the self effect of the leveling liquid, the environmental protection performance of the leveling liquid is effectively improved, the problems of pollution and the like generated when the leveling liquid is used can be effectively reduced, meanwhile, the cleaning performance and the antirust performance of the leveling liquid can be effectively improved by matching the added inorganic acid and the antirust agent with the organic amine, and the occurrence of the situations such as rusting and the like of a leveled steel plate can be effectively avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural view of a reaction apparatus for developing a low ammonia nitrogen environment-friendly leveling solution provided by the present invention;
FIG. 2 is a schematic view of a semi-sectional structure of a kettle according to the present invention;
FIG. 3 is a schematic structural diagram of a filtering apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a working flow of preparation of a low ammonia nitrogen environment-friendly type flattening solution provided by the invention;
in the figure: 1. a motor frame; 2. a feed pipe; 3. an auxiliary handle; 4. a reaction kettle; 5. a discharge pipe; 6. a base; 7. a side heating device; 8. a top cover; 9. a top heating device; 41. a working motor; 42. a feed inlet; 43. a kettle body; 44. a working shaft; 45. a connecting shaft; 46. a filtration device; 47. a discharge port; 48. stirring blades; 49. heating plates; 410. heating a tube; 411. a heating port; 412. a fixed mount; 461. a mounting frame; 462. and (5) filtering by using a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a low ammonia nitrogen environment-friendly leveling liquid research and development method comprises a reaction kettle 4 and a discharge pipe 5, wherein the discharge pipe 5 is arranged at the bottom position of the right side of the reaction kettle 4, a base 6 is arranged at the bottom position of the reaction kettle 4, a side heating device 7 is arranged at the position, which is slightly lower than the left top, of the middle of the reaction kettle 4, an auxiliary handle 3 is arranged at the position, which is slightly lower than the right top, of the reaction kettle 4, four auxiliary handles 3 are arranged, the size and the shape of the four auxiliary handles 3 are identical, the four auxiliary handles 3 are uniformly arranged at the position, which is slightly lower than the top, of the reaction kettle 4, a top cover 8 is arranged at the position, which is slightly lower than the top of the top cover 8, a top heating device 9 is arranged at the middle position, the top heating device 9 is totally six, and the size and the shape of the six top heating devices 9 are identical, the six top heating devices 9 are uniformly arranged at the lower part of the top cover 8, the production raw materials in the reaction kettle 4 can be rapidly heated by adopting the arrangement, the feed pipes 2 are arranged at the lower middle part of the top cover 8, the feed pipes 2 are totally arranged in two, the size and the shape of the two feed pipes 2 are the same, the two feed pipes 2 are uniformly arranged at the corresponding positions of the two sides of the top cover 8, the invention is convenient for a user to carry by adopting the arrangement, the motor frame 1 is arranged at the middle position of the top cover 8, the reaction kettle 4 comprises a working motor 41, a feed inlet 42, a kettle body 43, a working shaft 44, a connecting shaft 45, a filtering device 46, a discharge outlet 47, a stirring blade 48, a heating plate 49, a heating pipe 410, a heating port 411 and a fixing frame 412, the working motor 41 is arranged at the, the middle position of the working motor 41 is provided with a fixing frame 412, the working motor 41 is fixedly arranged on the kettle body 43 through the fixing frame 412, the bottom position of the working motor 41 is provided with a working shaft 44, the upper position of the bottom of the working shaft 44 is sleeved with a connecting shaft 45, the left position of the connecting shaft 45 is provided with two stirring blades 48, the two stirring blades 48 are arranged, the size and the shape of the two stirring blades 48 are the same, the two stirring blades 48 are uniformly arranged at the two sides of the connecting shaft 45, the production raw materials in the reaction kettle 4 can be effectively stirred and prepared by adopting the arrangement, the middle left position of the top of the kettle body 43 is provided with six heating ports 411, the size and the shape of the six heating ports 411 are the same, and the six heating ports 411 are uniformly arranged at the positions corresponding to the top heating device 9, by adopting the arrangement, the heating pipe 410 can be effectively heated, the heating pipe 410 is arranged at the bottom position of the heating port 411, six heating pipes 410 are arranged, the size and the shape of the six heating pipes 410 are the same, the six heating pipes 410 are respectively arranged at the bottom positions of the six heating ports 411, the production raw materials in the reaction kettle 4 can be effectively heated by adopting the arrangement, the middle part of the top of the kettle body 43, which is towards the right, is provided with two feed inlets 42, the size and the shape of the two feed inlets 42 are the same, the two feed inlets 42 are uniformly arranged at the positions corresponding to the feed pipes 2, the arrangement is convenient for a user to add production raw materials into the reaction kettle 4, the left position of the inner side of the kettle body 43 is provided with the heating plate 49, and the bottom position of the right side of the kettle body 43 is provided with the discharge port 47, the filter device 46 is arranged at the left end of the inner side of the discharge port 47, the filter device 46 comprises an installation frame 461 and a filter screen 462, the filter screen 462 is arranged on the inner side of the installation frame 461, and the filter screen 462 is 100 meshes in size, so that particle impurities and the like generated in the preparation process of the flattening liquid can be effectively filtered, and a user can take out a pure liquid-shaped flattening liquid finished product conveniently.
A development method of a low ammonia nitrogen environment-friendly leveling liquid comprises the following components of EDTA-disodium (0.001% -0.01%), inorganic acid (2%), organic amine (8%), an antirust agent (15%), a corrosion inhibitor (15%), a film forming agent (10%), a lubricant (15%) and purified water (35%), wherein the inorganic acid is phosphoric acid, the organic amine is monoethanolamine, the antirust agent is NH2CH2CH2OH, the corrosion inhibitor is sodium benzoate, sodium molybdate, ammonium molybdate, sodium salicylate, tolyltriazole, benzotriazole and triazole, the film forming agent is phosphate, pumped acid salt, phosphate, boric acid ester, molybdate, lubricant polymer polyether and an oily additive, the purified water is distilled water, and the preparation steps of the leveling liquid are as follows:
firstly, sequentially adding EDTA-disodium, inorganic acid and organic amine into a reaction kettle, then stirring and heating to 85 ℃, and after complete reaction, keeping the temperature for 15 minutes;
secondly, adding an antirust agent and a corrosion inhibitor after the temperature in the reaction kettle is reduced to 70 ℃, and circularly stirring for 20 minutes;
thirdly, after the temperature in the reaction kettle is reduced to 50 ℃, adding a film forming agent and a lubricant, and circularly stirring for 35 minutes;
fourthly, adding purified water, and circularly stirring for 20 minutes;
fifth step, sampling and checking appearance style: 1% emulsion has no layering; the PH value is 8-10, and the cast iron scrap is rust-proof 3% water solution; no corrosion is caused;
and sixthly, taking out the finished product of the leveling liquid in the reaction kettle after the detection is qualified.
The working principle and the using process of the invention are as follows: after the device is installed, a user firstly checks whether the external appearance of the device is intact, confirms that the device can normally work, then the user moves the device to a position required to be used, the user can move the device to the position required to be used through the auxiliary handle 3, then the user places the base 6 downwards at the position used, then the user connects the working motor 41 of the device with an external working power supply, then the user adds the prepared production raw materials of EDTA-disodium, inorganic acid and organic amine into the reaction kettle 4 through the feeding pipe 2 and the feeding hole 42 in sequence, then the user communicates the external working power supply, the working motor 41 starts to work, the working motor 41 drives the connecting shaft 45 to rotate, the working shaft 44 drives the two stirring blades 48 to rotate through the connecting shaft 45, and the production raw materials in the reaction kettle 4 can be effectively mixed and stirred through the rotating stirring blades 48 to promote the reaction Meanwhile, the heating plate 49 and the heating pipe 410 on the side heating device 7 and the top heating device 9 can work together, which can effectively assist the temperature and the production raw materials in the reaction kettle 4 to heat, when the temperature is raised to 85 ℃ and the stirring operation is completed, the user firstly suspends the work of the working motor 41, the side heating device 7 and the top heating device 9, then the user waits for the production raw materials in the reaction kettle 4 to fully react, then keeps the temperature for 15 minutes, then the user waits for the temperature in the reaction kettle 4 to be reduced to 70 ℃, then the user adds the antirust agent and the corrosion inhibitor through the feeding pipe 2 and the feeding port 42, then the user starts the working motor 41 to stir, the user stops the working motor 41 after stirring for 20 minutes, and through the steps, the mixing reaction of the antirust agent and the corrosion inhibitor which are newly added in the reaction kettle 4 and the previous production raw materials can be effectively promoted, then after the temperature in the reaction kettle 4 is reduced to 50 ℃, a user adds a film forming agent and a lubricant through the feeding pipe 2 and the feeding hole 42, then the user starts the working motor 41 to perform stirring operation, the user stops the working motor 41 after stirring for 35 minutes, then the user adds purified water and starts the working motor 41, then the stirring operation is performed for 20 minutes, the user closes the working motor 41 after the stirring is completed, then the user extracts a part of sample from the reaction kettle 4 to detect, when the sample has the appearance style of 1% emulsion without layering, the pH value of 8-10, 3% rust-proof aqueous solution of cast iron scraps and no rust, the user can take out the finished product of the leveling liquid in the reaction kettle 4 through the discharging hole 47 and the discharging pipe 5, and in the process of taking out the leveling liquid, the filter screen 462 with the size of 100 meshes on the filter device 46 can effectively filter particles and the like generated in the preparation process of the leveling liquid in the reaction kettle 4 in the, the user can take out the liquid-shaped finished leveling liquid conveniently, after the leveling liquid preparation work is finished, the user disconnects the working motor 41 from an external working power supply, then the user cleans the inside of the reaction kettle 4, and then the user puts the leveling liquid back to the storage position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The development method of the low-ammonia nitrogen environment-friendly leveling liquid comprises a reaction kettle (4) and a discharge pipe (5), and is characterized in that: the right side bottom position department of reation kettle (4) is provided with discharging pipe (5), the bottom position department of reation kettle (4) is provided with base (6), the top position department under left side is provided with side heating device (7) in the centre of reation kettle (4), the right side top position department under right side of reation kettle (4) is provided with supplementary handle (3), the top position department of reation kettle (4) is provided with top cap (8), the top intermediate position department under left side of top cap (8) is provided with top heating device (9), the top position department under right side in the centre of top cap (8) is provided with inlet pipe (2), the top intermediate position department of top cap (8) is provided with motor frame (1), reation kettle (4) include work motor (41), feed inlet (42), cauldron body (43), work axle (44) Connecting shaft (45), filter equipment (46), discharge gate (47), stirring leaf (48), hot plate (49), heating pipe (410), heating mouth (411) and mount (412), the top intermediate position department of the cauldron body (43) is provided with work motor (41), the intermediate position department of work motor (41) is provided with mount (412), and work motor (41) passes through mount (412) fixed mounting on the cauldron body (43), the bottom position department of work motor (41) is provided with work axle (44), the position department on the upper side of the bottom of work axle (44) has cup jointed connecting shaft (45), the left side position department of connecting shaft (45) is provided with stirring leaf (48), the top intermediate position department on the left side of the cauldron body (43) is provided with heating mouth (411), the bottom position department of heating mouth (411) is provided with heating pipe (410), the top of the cauldron body (43) is middle to be provided with feed inlet (42) to the right position department, the inboard left side position department of the cauldron body (43) is provided with hot plate (49), the right side bottom position department of the cauldron body (43) is provided with discharge gate (47), the inboard left end position department of discharge gate (47) is provided with filter equipment (46).
2. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: filter equipment (46) include mounting bracket (461) and filter screen (462), the inboard of mounting bracket (461) is provided with filter screen (462), the size of filter screen (462) is 100 meshes.
3. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: inlet pipe (2) are provided with two altogether, and the size and the shape homogeneous phase of two inlet pipes (2), two the even setting of inlet pipe (2) is in the corresponding position department in the top both sides of top cap (8).
4. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: the auxiliary handles (3) are four in number, the four auxiliary handles (3) are identical in size and shape, and the four auxiliary handles (3) are uniformly arranged at the lower position of the top of the reaction kettle (4).
5. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: the top heating device (9) is provided with six, the size and the shape of the six top heating devices (9) are the same, and the six top heating devices (9) are uniformly arranged at the lower position of the top cover (8).
6. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: feed inlet (42) are provided with two altogether, and the size and the shape homogeneous phase of two feed inlets (42), two the even setting of feed inlet (42) is in the position department corresponding with inlet pipe (2).
7. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: the stirring blades (48) are arranged in two, the size and the shape of the two stirring blades (48) are the same, and the stirring blades (48) are uniformly arranged at the positions of the two sides of the connecting shaft (45).
8. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: the heating pipes (410) are provided with six heating pipes, the size and the shape of the six heating pipes (410) are the same, and the six heating pipes (410) are respectively arranged at the bottom positions of the six heating ports (411).
9. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 1, characterized by comprising the following steps: the heating ports (411) are provided with six heating ports, the sizes and the shapes of the six heating ports (411) are the same, and the six heating ports (411) are uniformly arranged at positions corresponding to the top heating device (9).
10. The development method of the low ammonia nitrogen environment-friendly leveling liquid according to claim 2, characterized by comprising the following steps: the leveling liquid comprises the following components of EDTA-disodium (0.001% -0.01%), inorganic acid (2%), organic amine (8%), an antirust agent (15%), a corrosion inhibitor (15%), a film forming agent (10%), a lubricant (15%) and purified water (35%), wherein the inorganic acid is phosphoric acid, the organic amine is monoethanolamine, the antirust agent is NH2CH2CH2OH, the corrosion inhibitor is sodium benzoate, sodium molybdate, ammonium molybdate, sodium salicylate, tolyltriazole, benzotriazole and triazole, the film forming agent is phosphate, pumped acid salt, phosphate, borate and molybdate, the lubricant is high-molecular polyether and an oily additive, the purified water is distilled water, and the leveling liquid is prepared by the following steps:
firstly, sequentially adding EDTA-disodium, inorganic acid and organic amine into a reaction kettle, then stirring and heating to 85 ℃, and after complete reaction, keeping the temperature for 15 minutes;
secondly, adding an antirust agent and a corrosion inhibitor after the temperature in the reaction kettle is reduced to 70 ℃, and circularly stirring for 20 minutes;
thirdly, after the temperature in the reaction kettle is reduced to 50 ℃, adding a film forming agent and a lubricant, and circularly stirring for 35 minutes;
fourthly, adding purified water, and circularly stirring for 20 minutes;
fifth step, sampling and checking appearance style: 1% emulsion has no layering; the PH value is 8-10, and the cast iron scrap is rust-proof 3% water solution; no corrosion is caused;
and sixthly, taking out the finished product of the leveling liquid in the reaction kettle after the detection is qualified.
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