CN108114681B - Kneading machine for preparing glyphosate - Google Patents
Kneading machine for preparing glyphosate Download PDFInfo
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- CN108114681B CN108114681B CN201611071776.8A CN201611071776A CN108114681B CN 108114681 B CN108114681 B CN 108114681B CN 201611071776 A CN201611071776 A CN 201611071776A CN 108114681 B CN108114681 B CN 108114681B
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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
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/092—Stirrers characterised by the mounting of the stirrers with respect to the receptacle occupying substantially the whole interior space of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
- B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
- B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/62—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis comprising liquid feeding, e.g. spraying means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/33—Transmissions; Means for modifying the speed or direction of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
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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
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- B01J2219/182—Details relating to the spatial orientation of the reactor horizontal
Abstract
The invention discloses a kneading machine for preparing glyphosate, which comprises a stirring box, wherein the stirring box is provided with an interlayer, a cooling pipe is arranged in the interlayer of the stirring box, a water inlet and a water outlet are formed in the stirring box, and the water inlet and the water outlet are respectively communicated with the cooling pipe. The technical scheme adopted by the invention has the following technical effects: liquid ammonia ejected by the nozzles on the stirring blades is directly mixed with the materials to be stirred, so that the materials can be fully contacted and can be uniformly mixed; the hardness of the stirring blade can reach 70HRC, the service life can reach 20 years, the stirring blade is corrosion-resistant and non-stick to materials, can resist the high temperature of 1300 ℃, has good strength at the high temperature of 1300 ℃, can effectively avoid the over-high temperature of the stirring box, and can control the temperature of the stirring box to be below 10 ℃.
Description
Technical Field
The invention relates to the technical field of glyphosate preparation, in particular to a kneading machine for glyphosate preparation.
Background
Glyphosate is a non-volatile white solid with a specific gravity of 0.5 that melts at about 230 c with concomitant decomposition. The solubility in water at 25 ℃ is 1.2%, the compound is insoluble in common organic solvents, and the isopropylamine salt is completely soluble in water. Non-combustible, non-explosive and stable in storage at normal temperature. Has corrosion effect on medium carbon steel and tin-plated iron sheet.
The existing preparation process of glyphosate needs to add ammonia water, glyphosate raw material and ammonium sulfate mixture
During the reaction, a large amount of heat needs to be released. The ammonia water of the existing kneader is added through a pipeline above the stirring box, and the ammonia water and the mixture cannot be fully mixed in the mode, so that the product quality is influenced. In addition, because need release a large amount of heats among the reaction process, lead to the agitator tank to become hot, not only scald the personnel easily, can reduce the life of motor with heat transfer to motor moreover.
In addition, the problems of short service life of the stirring blades and adhesion of materials are always a difficult problem which troubles research and development personnel of the existing kneader, and because the glyphosate has corrosivity and certain viscosity, the stirring blades frequently contact the glyphosate in the stirring process, so that the stirring blades are easily corroded and adhere a large amount of materials, and the materials are sticky and heat is released in the reaction process, so that the stirring blades are seriously deformed, and the stirring efficiency is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a stirring blade which can uniformly mix materials, has high hardness of the stirring blade, long service life, corrosion resistance, no adhesion to the materials and high temperature resistance,
can effectively avoid the kneading machine for preparing glyphosate that the too high temperature of agitator tank leads to equipment life to shorten.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a kneading machine is used in glyphosate preparation, includes the agitator tank, and the agitator tank has the intermediate layer, has the cooling tube in the intermediate layer of agitator tank, has water inlet and delivery port on the agitator tank, and water inlet and delivery port communicate with the cooling tube respectively.
The following are further improvements of the present invention:
two stirring blades are rotationally connected in the stirring box;
the rotating directions of the two stirring blades are opposite;
each stirring blade is connected with a driving shaft;
the kneading machine further comprises a driving motor, a speed reducer is in transmission connection with the driving motor, a gearbox is in transmission connection with the speed reducer, and the two driving shafts are in transmission connection with an output shaft of the gearbox respectively;
and a screw extruder is arranged below the stirring box.
Further improvement:
the stirring blade is of a hollow structure, and a plurality of nozzles are arranged on the stirring blade.
Further improvement:
the stirring blade is made of No. 45 steel, the outer surface of the stirring blade is hardened firstly, and then a high-temperature-resistant, anti-sticking and anti-corrosion material layer is sprayed.
Further improvement:
the hardening treatment of the stirring blade comprises the following steps:
1) and a cleaning step
Firstly removing impurities on the surface of the stirring blade, polishing and deburring, then washing with high-pressure water, then thoroughly removing oil stains, rust spots and oxide skins on the surface of the stirring blade by using a cleaning agent, and finally drying under an anaerobic condition, wherein the drying temperature is 100-200 ℃;
the cleaning agent is prepared by the following substances, by weight, 20 parts of ethanol, 10 parts of citric acid, 10 parts of urea, 30 parts of deionized water, 5 parts of sodium silicate, 10 parts of hydrogenated naphtha, 5 parts of hexadecylamine and 8 parts of methyl propanesulfonic acid, adding the ethanol and the citric acid into the deionized water to form a mixed solution, then reducing the temperature at normal temperature, adding the urea, the sodium silicate, the hydrogenated naphtha, the hexadecylamine and the methyl propanesulfonic acid into the mixed solution, and stirring for 30min to obtain the cleaning agent;
2) laser hardening treatment step
The outer surface of the stirring blade is hardened by laser, the depth of a hardened layer is 1.2mm, and the surface hardness of the stirring blade is 70 HRC;
the laser is a YAG laser, the power is 300-3KW, the diameter of a laser spot is 2-5mm, the pulse frequency is 5kHz-10kHz, the scanning speed is 10mm/s-100mm/s, the protective gas is nitrogen, and the flow is 4L/min-5L/min.
Further improvement:
after the hardening treatment step of the stirring blade, spraying a high-temperature-resistant, anti-sticking and anti-corrosion material layer with the spraying thickness of 1-2mm, wherein the spraying steps are as follows:
a. preparation of high temperature resistant, antisticking and anticorrosive material
The high-temperature-resistant, anti-sticking and anti-corrosion material layer is composed of the following substances in parts by weight: 15 parts of nano silicon oxide, 20 parts of epoxy resin, 8 parts of sodium silicate, 15 parts of zinc powder, 30 parts of ceramic particles, 5 parts of methyl cellulose and 30 parts of an auxiliary agent;
the preparation method of the high-temperature-resistant, anti-sticking and anti-corrosion material layer comprises the following steps: uniformly mixing epoxy resin and ethanol to prepare bonding slurry, and uniformly mixing nano silicon oxide, sodium silicate, zinc powder, ceramic particles, methyl cellulose and the slurry to prepare a coating;
b. coating step
Uniformly coating the coating prepared in the step a on the surface of a stirring blade, and drying in a drying box at the drying temperature of 100 ℃ and 200 ℃ for 8 hours;
c. sintering step
And cooling the stirring blade to room temperature along with the furnace, and sintering in a vacuum furnace at the sintering temperature of 1000-1200 ℃ for 3 hours.
Further improvement:
the average grain diameter of the zinc powder is 0.2-0.5 μm.
Further improvement:
the epoxy value of the epoxy resin is 0.4-0.6ep/100 g.
Further improvement:
the ceramic particles have a particle size of 1 to 3 μm.
Further improvement:
the auxiliary agent is ethanol.
The technical scheme adopted by the invention has the following technical effects: liquid ammonia ejected by the nozzles on the stirring blades is directly mixed with the materials to be stirred, so that the materials can be fully contacted and can be uniformly mixed; the hardness of the stirring blade can reach 70HRC, the service life can reach 20 years, the stirring blade is corrosion-resistant and non-stick to materials, can resist the high temperature of 1300 ℃, has good strength at the high temperature of 1300 ℃, can effectively avoid the over-high temperature of the stirring box, and can control the temperature of the stirring box to be below 10 ℃.
The invention is further illustrated by the following figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the stirring blade shown in FIG. 1.
In the figure: 1-a stirring box; 2-a water inlet; 3-water outlet; 4-stirring blades; 5-a screw extruder; 6-driving a motor; 7-a reducer; 8-a gearbox; 9-a drive shaft; 10-nozzle.
Detailed Description
In the embodiment, as shown in fig. 1-2, a kneading machine for preparing glyphosate includes a stirring tank 1, the stirring tank 1 has an interlayer, a cooling pipe is disposed in the interlayer of the stirring tank 1, a water inlet 2 and a water outlet 3 are disposed on the stirring tank 1, and the water inlet 2 and the water outlet 3 are respectively communicated with the cooling pipe.
The internal rotation of agitator tank 1 is connected with two stirring vane 4, and two stirring vane 4 direction of rotation are opposite, are connected with drive shaft 9 on every stirring vane 4 respectively, the kneader still includes driving motor 6, and driving connection has reduction gear 7 on the driving motor 6, and the transmission is connected with gearbox 8 on reduction gear 7, and two drive shafts 9 are connected with gearbox 8's output shaft transmission respectively.
A screw extruder 5 is arranged below the stirring box 1.
The stirring blade 4 is of a hollow structure, and a plurality of nozzles 10 are arranged on the stirring blade 4.
Stirring vane 4 adopts 45 steel to make, and stirring vane 4's surface adopts the hardening to handle earlier, then the spraying is high temperature resistant, antiseized, anticorrosive material layer.
The hardening treatment of the stirring blade 4 comprises the following steps:
a. cleaning step
Firstly removing impurities on the surface of the stirring blade 4, polishing and deburring, secondly washing with high-pressure water, then thoroughly removing oil stains, rusty spots and oxide scales on the surface of the stirring blade 4 by adopting a cleaning agent, and finally drying under an anaerobic condition, wherein the drying temperature is 100-200 ℃.
The cleaning agent is prepared by the following substances, by weight, 20 parts of ethanol, 10 parts of citric acid, 10 parts of urea, 30 parts of deionized water, 5 parts of sodium silicate, 10 parts of hydrogenated naphtha, 5 parts of hexadecylamine and 8 parts of methyl propanesulfonic acid, adding ethanol and citric acid into deionized water to form a mixed solution, then reducing the temperature at normal temperature, adding urea, sodium silicate, hydrogenated naphtha, hexadecylamine and methyl propanesulfonic acid into the mixed solution, and stirring for 30min to obtain the cleaning agent.
The cleaning agent disclosed by the invention can be used for effectively removing oil stains, rusty spots and oxide scales on the surface of the stirring blade 4, and the cleaning agent after cleaning cannot cause environmental pollution.
b. Laser hardening treatment step
The outer surface of the stirring blade 4 is hardened by laser, the depth of a hardened layer is 1.2mm, and the surface hardness of the stirring blade 4 is 70 HRC.
The laser is a YAG laser, the power is 300-3KW, the diameter of a laser spot is 2-5mm, the pulse frequency is 5kHz-10kHz, the scanning speed is 10mm/s-100mm/s, the protective gas is nitrogen, and the flow is 4L/min-5L/min.
After the hardening treatment step of the stirring blade 4, a high-temperature-resistant, anti-sticking and anti-corrosion material layer is sprayed, wherein the spraying thickness is 1-2mm, and the spraying steps are as follows:
a. preparation of high temperature resistant, antisticking and anticorrosive material
The high-temperature-resistant, anti-sticking and anti-corrosion material layer is composed of the following substances in parts by weight: 15 parts of nano silicon oxide, 20 parts of epoxy resin, 8 parts of sodium silicate, 15 parts of zinc powder, 30 parts of ceramic particles, 5 parts of methyl cellulose and 30 parts of an auxiliary agent.
The average grain diameter of the zinc powder is 0.2-0.5 μm.
The epoxy value of the epoxy resin is 0.4-0.6ep/100 g.
The ceramic particles have a particle size of 1 to 3 μm.
The auxiliary agent is ethanol.
The preparation method of the high-temperature-resistant, anti-sticking and anti-corrosion material layer comprises the following steps of uniformly mixing epoxy resin and ethanol to prepare bonding slurry, and uniformly mixing nano silicon oxide, sodium silicate, zinc powder, ceramic particles, methyl cellulose and the slurry to prepare the coating.
b. Coating step
And (c) uniformly coating the coating prepared in the step (a) on the surface of the stirring blade 4, and drying in a drying box at the drying temperature of 100 ℃ and 200 ℃ for 8 hours.
c. Sintering step
And cooling the stirring blade 4 to room temperature along with the furnace, and sintering in a vacuum furnace at the sintering temperature of 1000-1200 ℃ for 3 hours.
Claims (2)
1. A kneading machine for preparing glyphosate comprises an agitating tank (1), and is characterized in that: the stirring box (1) is provided with an interlayer, a cooling pipe is arranged in the interlayer of the stirring box (1), a water inlet (2) and a water outlet (3) are arranged on the stirring box (1), and the water inlet (2) and the water outlet (3) are respectively communicated with the cooling pipe;
two stirring blades (4) are rotationally connected in the stirring box (1);
the rotating directions of the two stirring blades (4) are opposite;
each stirring blade (4) is connected with a driving shaft (9) respectively;
the kneader also comprises a driving motor (6), a speed reducer (7) is connected to the driving motor (6) in a transmission manner, a gearbox (8) is connected to the speed reducer (7) in a transmission manner, and two driving shafts (9) are respectively in transmission connection with an output shaft of the gearbox (8);
a screw extruder (5) is arranged below the stirring box (1);
the stirring blade (4) is of a hollow structure, and a plurality of nozzles (10) are arranged on the stirring blade (4);
the stirring blade (4) is made of No. 45 steel, the outer surface of the stirring blade (4) is hardened firstly, and then a high-temperature-resistant, anti-sticking and anti-corrosion material layer is sprayed;
the hardening treatment steps of the stirring blade (4) are as follows:
1) and a cleaning step
Firstly removing impurities on the surface of the stirring blade (4), polishing and deburring, secondly washing with high-pressure water, then thoroughly removing oil stains, rusty spots and oxide scales on the surface of the stirring blade (4) by using a cleaning agent, and finally drying under the anaerobic condition, wherein the drying temperature is 100-200 ℃;
the cleaning agent is prepared by the following substances, by weight, 20 parts of ethanol, 10 parts of citric acid, 10 parts of urea, 30 parts of deionized water, 5 parts of sodium silicate, 10 parts of hydrogenated naphtha, 5 parts of hexadecylamine and 8 parts of methyl propanesulfonic acid, adding the ethanol and the citric acid into the deionized water to form a mixed solution, then reducing the temperature at normal temperature, adding the urea, the sodium silicate, the hydrogenated naphtha, the hexadecylamine and the methyl propanesulfonic acid into the mixed solution, and stirring for 30min to obtain the cleaning agent;
2) laser hardening treatment step
The outer surface of the stirring blade (4) is hardened by laser, the depth of a hardened layer is 1.2mm, and the surface hardness of the stirring blade (4) is 70 HRC;
the laser is a YAG laser, the power is 300-3KW, the diameter of a laser spot is 2-5mm, the pulse frequency is 5kHz-10kHz, the scanning speed is 10mm/s-100mm/s, the protective gas is nitrogen, and the flow is 4L/min-5L/min;
after the hardening treatment step of the stirring blade (4), a high-temperature-resistant, anti-sticking and anti-corrosion material layer is sprayed, the spraying thickness is 1-2mm, and the spraying steps are as follows:
a. preparation of high temperature resistant, antisticking and anticorrosive material
The high-temperature-resistant, anti-sticking and anti-corrosion material layer is composed of the following substances in parts by weight: 15 parts of nano silicon oxide, 20 parts of epoxy resin, 8 parts of sodium silicate, 15 parts of zinc powder, 30 parts of ceramic particles, 5 parts of methyl cellulose and 30 parts of an auxiliary agent;
the epoxy value of the epoxy resin is 0.4-0.6ep/100 g;
the particle size of the ceramic particles is 1-3 μm;
the auxiliary agent is ethanol;
the preparation method of the high-temperature-resistant, anti-sticking and anti-corrosion material layer comprises the following steps: uniformly mixing epoxy resin and ethanol to prepare bonding slurry, and uniformly mixing nano silicon oxide, sodium silicate, zinc powder, ceramic particles, methyl cellulose and the slurry to prepare a coating;
b. coating step
Uniformly coating the coating prepared in the step a on the surface of the stirring blade (4), and drying in a drying box at the drying temperature of 100 ℃ and 200 ℃ for 8 hours;
c. sintering step
And cooling the stirring blade (4) to room temperature along with the furnace, and sintering in a vacuum furnace at the sintering temperature of 1000-1200 ℃ for 3 hours.
2. The kneader for glyphosate production according to claim 1, characterized in that: the average grain diameter of the zinc powder is 0.2-0.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071776.8A CN108114681B (en) | 2016-11-29 | 2016-11-29 | Kneading machine for preparing glyphosate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071776.8A CN108114681B (en) | 2016-11-29 | 2016-11-29 | Kneading machine for preparing glyphosate |
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| CN108114681A CN108114681A (en) | 2018-06-05 |
| CN108114681B true CN108114681B (en) | 2020-06-30 |
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| CN201611071776.8A Active CN108114681B (en) | 2016-11-29 | 2016-11-29 | Kneading machine for preparing glyphosate |
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Families Citing this family (1)
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| CN109580380A (en) * | 2018-12-25 | 2019-04-05 | 江苏隆达超合金航材有限公司 | The method glutinous for fixture resistance in high temperature endurance performance experiment |
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| CN201470389U (en) * | 2009-07-17 | 2010-05-19 | 湖州市菱湖新望化学有限公司 | Reaction device for producing stearate by dry method |
| CN203227483U (en) * | 2012-11-14 | 2013-10-09 | 中国石油天然气股份有限公司 | Mixed condensation kettle |
| CN105177274A (en) * | 2015-10-19 | 2015-12-23 | 无锡清杨机械制造有限公司 | Laser hardening process |
| CN105198391A (en) * | 2015-08-17 | 2015-12-30 | 上海电力学院 | Ceramic paint used on surface of steel and preparing method thereof |
| CN205253107U (en) * | 2015-12-09 | 2016-05-25 | 昊华中意玻璃钢有限公司 | High -efficient anti -corrosion reation kettle that sweet phosphine of production grass was used |
| CN205517328U (en) * | 2016-01-13 | 2016-08-31 | 如皋市井上捏和机械厂 | Novel screw rod ejection of compact kneading machine |
| CN105969084A (en) * | 2016-07-27 | 2016-09-28 | 攀钢集团研究院有限公司 | Oily high-temperature-resisting bonding prevention titanium coating and application thereof |
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2016
- 2016-11-29 CN CN201611071776.8A patent/CN108114681B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123363U (en) * | 1992-05-09 | 1992-12-02 | 中国科学院长春应用化学研究所 | Dump kneading machine |
| CN1537956A (en) * | 2003-04-16 | 2004-10-20 | 济南钢铁集团新事业有限公司 | Point rail having hardened layer on working surface and its point rail working surface laser hardening treatment technology |
| CN201410711Y (en) * | 2009-06-30 | 2010-02-24 | 浙江鼎泰药业有限公司 | Narrow gap mixed kneader |
| CN201470389U (en) * | 2009-07-17 | 2010-05-19 | 湖州市菱湖新望化学有限公司 | Reaction device for producing stearate by dry method |
| CN203227483U (en) * | 2012-11-14 | 2013-10-09 | 中国石油天然气股份有限公司 | Mixed condensation kettle |
| CN105198391A (en) * | 2015-08-17 | 2015-12-30 | 上海电力学院 | Ceramic paint used on surface of steel and preparing method thereof |
| CN105177274A (en) * | 2015-10-19 | 2015-12-23 | 无锡清杨机械制造有限公司 | Laser hardening process |
| CN205253107U (en) * | 2015-12-09 | 2016-05-25 | 昊华中意玻璃钢有限公司 | High -efficient anti -corrosion reation kettle that sweet phosphine of production grass was used |
| CN205517328U (en) * | 2016-01-13 | 2016-08-31 | 如皋市井上捏和机械厂 | Novel screw rod ejection of compact kneading machine |
| CN105969084A (en) * | 2016-07-27 | 2016-09-28 | 攀钢集团研究院有限公司 | Oily high-temperature-resisting bonding prevention titanium coating and application thereof |
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| CN108114681A (en) | 2018-06-05 |
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