CN105833816A - Detachable far-infrared heating chemical reaction kettle - Google Patents
Detachable far-infrared heating chemical reaction kettle Download PDFInfo
- Publication number
- CN105833816A CN105833816A CN201610301224.5A CN201610301224A CN105833816A CN 105833816 A CN105833816 A CN 105833816A CN 201610301224 A CN201610301224 A CN 201610301224A CN 105833816 A CN105833816 A CN 105833816A
- Authority
- CN
- China
- Prior art keywords
- reaction kettle
- kettle body
- piston
- kettle
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 76
- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 238000002329 infrared spectrum Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 3
- 238000003756 stirring Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
Classifications
-
- 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
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/128—Infrared light
-
- 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
-
- 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
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
-
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00139—Controlling the temperature using electromagnetic heating
- B01J2219/00146—Infrared radiation
-
- 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
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0871—Heating or cooling of the reactor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a detachable far-infrared heating chemical reaction kettle. The detachable far-infrared heating chemical reaction kettle comprises a kettle body, a kettle cover, a stirrer and a piston, wherein the piston is installed in the middle of the kettle body, a piston rod is installed on the piston, and the stirrer is installed in the kettle body and comprises a stirring shaft and rotary blades; a heater shell is arranged on the outer side of an upper reaction kettle body part, a silicon carbide plate layer, a radiation shielding layer and a heat insulation layer are arranged between the upper reaction kettle body part and the heater shell from inside to outside in sequence, and a resistance band is arranged between the silicon carbide plate layer and the heat insulation layer. The stirring degree of materials at the bottom of the kettle is increased through the stirrer, mixing effect is improved, sufficient contact between mixtures is maintained, reaction efficiency is improved, heat energy is generated through resistance, heating is conducted by means of the characteristics of silicon carbide of being high in heat conductivity coefficient, insulativity and mechanical strength, not prone to aging and capable of generating high far infrared spectrum, heat is absorbed by objects to be heated in the reaction kettle, and then energy is saved.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, a kind of dismountable Far-infrared Heating chemical reaction kettle.
Background technology
Reactor is a kind of container for carrying out chemical reaction, traditional reactor does not has pressure reading instument survey
Amount, it is not known that the change of pressure in still, will result in end product quality unstable.Present reactor is monolithic construction, one
Individual reactor is typically only used for the production of a kind of product, if this is because reactor is for the production of multiple products
Time, due to the differing chemical properties of individual reaction mass, and reactor monolithic construction also is difficult to carry out clean to reactor
Cleaning, the production of subsequent product can be impacted by its inwall residue；Further, the chemical reaction in reactor typically requires
Carry out under conditions of high pressure, and reaction typically requires after terminating and reactor is carried out pressure release.Existing chemical reaction kettle is usual
It is directly on the sidewall of reactor, to offer a steam vent, directly steam vent is opened during pressure release, allow gas at steam vent
Discharging, big yet with the intrinsic gas pressure of reactor, gas keeps former pressure to be easily caused behaviour when steam vent is discharged
Make injury to personnel, as oppressed the internal organs of human body, making human body viscera impaired, time serious, result even in death, extremely dangerous.
It addition, the reactor of routine need heating time, usually use external heater near reaction kettle body, to reaction kettle body
Heating, this mode of heating makes reaction kettle body local temperature higher, and other spot temperature is relatively low, in reaction kettle body
Liquid reactants heating inequality, reaction occur inefficiency.
Summary of the invention
It is an object of the invention to provide a kind of convenient cleaning, safe and reliable dismountable Far-infrared Heating chemical reaction kettle,
With the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of dismountable Far-infrared Heating chemical reaction kettle, including kettle, kettle cover, agitator and piston, described kettle bag
Including reaction kettle body and lower reaction kettle body, upper reaction kettle body is arranged on lower reaction kettle body by hinge, upper reaction kettle body and under
Being provided with seal gasket between reaction kettle body, described kettle cover is arranged on the top of reaction kettle body, and described piston is arranged on kettle
Middle part, piston is provided with piston rod, and kettle cover is stretched out in the upper end of piston rod, and piston rod is slidably connected with kettle cover, lives
Plug is also equipped with locking device with the junction of kettle cover, and described agitator is arranged on the inside of kettle, and agitator includes shaft
And rotating vane, the upper end of described shaft stretch out kettle cover and by reductor connect fire-proof motor, the lower end of shaft is worn
Crossing piston, described rotating vane is arranged on the bottom of shaft, and described upper reaction kettle body is provided with the steam vent of symmetry, described
The bottom of lower reaction kettle body is provided with discharge gate, and the lower section of discharge gate connects has aggregate pipe, above the left side of described upper reaction kettle body
Being provided with charging aperture, be arranged above Pressure gauge on the right side of upper reaction kettle body, the outside of described upper reaction kettle body is provided with heater
Housing, is disposed with carborundum flaggy, radiation shield, insulation from the inside to the outside between upper reaction kettle body and heater housings
Layer, is provided with resistor between carborundum flaggy and heat-insulation layer, heater housings is provided with link electrode, link electrode with
Resistor connects, and the top of heat-insulation layer is covered with a circle bucker, and the bottom of heat-insulation layer is fixed on lower reactor by housing ring
The top of body.
As the further scheme of the present invention: connected by connection pole on the shaft of the lower section of described piston and have scraper.
As the further scheme of the present invention: described discharge gate be arranged over filter screen.
As the present invention further scheme: described bucker is by with determining flange with being scheduled on upper reaction kettle body.
Compared with prior art, the invention has the beneficial effects as follows:
The agitator of the present invention improves the agitation degree of bottom material so that mixed effect improves, and keeps between mixture
It is fully contacted, improves reaction efficiency, produce heat energy by resistance, make use of carborundum to possess heat conductivity height, insulating properties
By force, mechanical strength is high, be difficult to aging, to produce higher far-infrared spectrum characteristic heats, for the quilt in reactor
Adding hot object to be absorbed, heat storage can be difficult to by moisture absorption at reaction kettle body intracavity by heat-insulation layer, thus by heat energy
Stay in reactor, thus improve the temperature of reactor, enhance the heat absorption speed of heating object；Decrease heat
The loss of energy, reaches energy-conservation purpose.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Referring to Fig. 1, a kind of dismountable Far-infrared Heating chemical reaction kettle, including kettle 1, kettle cover 2, agitator 3 and
Piston 4, described kettle 1 includes that reaction kettle body 5 and lower reaction kettle body 6, upper reaction kettle body 5 are arranged on by hinge 21
On lower reaction kettle body 6, being provided with seal gasket 7 between upper reaction kettle body 5 and lower reaction kettle body 6, described kettle cover 2 is arranged on
The top of upper reaction kettle body 5, described piston 4 is arranged on the middle part of kettle 1, piston 4 is provided with piston rod 12,
Kettle cover 2 is stretched out in the upper end of piston rod 12, and piston rod 12 is slidably connected with kettle cover 2, piston 12 and the junction of kettle cover 2
Being also equipped with locking device 13, locking device 13 is for latching ram bar 12, and described agitator 3 is arranged on the interior of kettle 1
Portion, agitator 3 include shaft 8 and rotating vane 9, the upper end of described shaft 8 stretch out kettle cover 2 and by slow down
Machine 10 connects fire-proof motor 11, and the lower end of shaft 8 passes piston 4, logical on the shaft 8 of the lower section of described piston 4
Crossing connection pole 20 connection has scraper 21, described rotating vane 9 to be arranged on the bottom of shaft 8, described upper reaction kettle body
5 steam vents 14 being provided with symmetry, the bottom of described lower reaction kettle body 6 is provided with discharge gate 15, and the lower section of discharge gate 15 connects
Being connected to aggregate pipe 16, aggregate pipe 16 is for discharging and collecting reaction product, and the left side of described upper reaction kettle body 5 is installed above
Have charging aperture 17, on the right side of upper reaction kettle body 5, be arranged above Pressure gauge 18, described discharge gate 15 be arranged over filter screen
19, product can be filtered by filter screen 19；The outside of described upper reaction kettle body 5 is provided with heater housings 22, upper instead
Answer and between kettle 5 and heater housings 22, be disposed with carborundum flaggy 23, radiation shield 24, insulation from the inside to the outside
Layer 25, is provided with resistor 26 between carborundum flaggy 23 and heat-insulation layer 25, heater housings 22 is provided with wiring electricity
Pole 27, link electrode 27 is connected with resistor 26, and the top of heat-insulation layer 25 is covered with a circle bucker 28, bucker 28
By with determining, flange 29 is same to be scheduled on upper reaction kettle body 5, the bottom of heat-insulation layer 25 is fixed on lower reaction by housing ring 30
The top of kettle 6.
Described dismountable Far-infrared Heating chemical reaction kettle in use, puts into reaction by charging aperture 17 in kettle 1
Thing, then in kettle 1, it is filled with gases at high pressure by charging aperture 17, close charging aperture 17, slide downward piston 4, and make
With locking device 13, piston 4 is fixed, thus piston 4 can make reaction compartment be an airtight space, formed one high
Pressure reaction environment, link electrode 27 connect power supply power, resistor 26 produces heat energy, and carborundum flaggy 23 is led
Hot body can absorb substantial amounts of radiant heat energy, the radiant heat energy of absorption is converted into far infrared heat energy and is radiated in the form of an electromagnetic wave
In kettle 1, absorbed by the heating object in kettle 1, and be difficult to by moisture absorption, thus heat energy is stayed kettle 1
The interior reaction liquid to intracavity heats, and meanwhile, fire-proof motor 11 drives shaft 8 to rotate, when shaft 8 rotates
Time, due to the centrifugal action of shaft 8, material spreads to kettle 1 inwall, but also can upwards splash, and rotary shaft is passed through
Connecting pole 20 drives scraper 21 to rotate, and scraper 21 can clear up the material on kettle 1 inwall at any time, reduces viscous wall, lives
Material is maintained at below piston 4 by plug 4 simultaneously, prevents material splashes, stops dead angle, the material blocked by piston 4
The material cleared up with scraper 21 all can be stirred again, thus reaches well-beaten effect；Reaction terminates needs and lets out
During pressure, opening locking device 13, the gases at high pressure in described airtight space give 4 one, piston and upward pressure so that live
Filling in 4 upward slidings, thus increase the volume of described airtight space, the amount of gaseous matter is certain, the container body of filling gas
Long-pending increasing, therefore the pressure of gas reduces, when above piston 4 moves to steam vent 14, pressure reduce after gas from
Discharge at aerofluxus 14.
The agitator 3 of the present invention improves the agitation degree of bottom material so that mixed effect improves, and keeps between mixture
Be fully contacted, improve reaction efficiency, produce heat energy by resistance, heat conductivity is high, insulation to make use of carborundum to possess
The characteristic that property is strong, mechanical strength is high, it is aging to be difficult to, can produce higher far-infrared spectrum heats, in reactor
Heating object is absorbed, and heat storage can be difficult to by moisture absorption at reaction kettle body intracavity by heat-insulation layer, thus by heat
Can stay in reactor, thus improve the temperature of reactor, enhance the heat absorption speed of heating object；Decrease
Heat-energy losses, reaches energy-conservation purpose.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment,
In the ken that those of ordinary skill in the art is possessed, it is also possible to make each on the premise of without departing from this patent objective
Plant change.
Claims (4)
1. a dismountable Far-infrared Heating chemical reaction kettle, it is characterised in that include kettle (1), kettle cover (2),
Agitator (3) and piston (4), described kettle (1) includes reaction kettle body (5) and lower reaction kettle body (6), on
Reaction kettle body (5) is arranged on lower reaction kettle body (6) by hinge (21), upper reaction kettle body (5) and lower reactor
Being provided with seal gasket (7) between body (6), described kettle cover (2) is arranged on the top of reaction kettle body (5), described work
Plug (4) is arranged on the middle part of kettle (1), and piston (4) is provided with piston rod (12), piston rod (12)
Upper end stretch out kettle cover (2), and piston rod (12) is slidably connected with kettle cover (2), piston (12) and kettle cover (2)
Junction be also equipped with locking device (13), described agitator (3) is arranged on the inside of kettle (1), agitator (3)
Including shaft (8) and rotating vane (9), the upper end of described shaft (8) stretch out kettle cover (2) and by slow down
Machine (10) connects fire-proof motor (11), and the lower end of shaft (8) passes piston (4), described rotating vane (9)
Be arranged on the bottom of shaft (8), described upper reaction kettle body (5) be provided with symmetry steam vent (14), described lower instead
The bottom answering kettle (6) is provided with discharge gate (15), and the lower section of discharge gate (15) connects aggregate pipe (16), described
The left side of upper reaction kettle body (5) is arranged above being arranged above on the right side of charging aperture (17), upper reaction kettle body (5) and presses
Power table (18), the outside of described upper reaction kettle body (5) is provided with heater housings (22), upper reaction kettle body (5) with add
Carborundum flaggy (23), radiation shield (24), heat-insulation layer it is disposed with from the inside to the outside between hot device housing (22)
(25), resistor (26), heater housings (22) it are provided with between carborundum flaggy (23) and heat-insulation layer (25)
On be provided with link electrode (27), link electrode (27) is connected with resistor (26), the top of heat-insulation layer (25) cover
Being provided with a circle bucker (28), the bottom of heat-insulation layer (25) is fixed on lower reaction kettle body (6) by housing ring (30)
Top.
Dismountable Far-infrared Heating chemical reaction kettle the most according to claim 1, it is characterised in that described piston (4)
Lower section shaft (8) on by connect pole (20) connect have scraper (21).
Dismountable Far-infrared Heating chemical reaction kettle the most according to claim 1, it is characterised in that described discharge gate
(15) be arranged over filter screen (19).
Dismountable Far-infrared Heating chemical reaction kettle the most according to claim 1, it is characterised in that described bucker
(28) by with determining flange (29) with being scheduled on reaction kettle body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301224.5A CN105833816A (en) | 2016-04-27 | 2016-04-27 | Detachable far-infrared heating chemical reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301224.5A CN105833816A (en) | 2016-04-27 | 2016-04-27 | Detachable far-infrared heating chemical reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105833816A true CN105833816A (en) | 2016-08-10 |
Family
ID=56590918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301224.5A Pending CN105833816A (en) | 2016-04-27 | 2016-04-27 | Detachable far-infrared heating chemical reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105833816A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243313A (en) * | 2017-06-23 | 2017-10-13 | 扬中市神洲化工电力设备有限公司 | Produce the far infrared reactor of graphene |
| CN108404817A (en) * | 2018-05-16 | 2018-08-17 | 龙游富田造纸精化有限公司 | A kind of comprehensive heating structure of rosin dissolution kettle |
| CN110361437A (en) * | 2018-03-05 | 2019-10-22 | 西南石油大学 | A kind of multi-functional electrochemical testing device and method based on pressure control |
| CN111773762A (en) * | 2020-06-09 | 2020-10-16 | 江苏恒科新材料有限公司 | Energy-conserving compact polyester chip crystallization drying system |
| CN112546992A (en) * | 2020-11-23 | 2021-03-26 | 山东无棣海丰电缆有限公司 | Energy-saving and environment-friendly crosslinking reaction device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU429835A1 (en) * | 1973-02-19 | 1974-05-30 | Ю. Г. Лощенов, В. А. Марков , Ф. А. Крашенникова | APPARATUS FOR CHEMICAL REACTIONS |
| CN201807359U (en) * | 2010-09-07 | 2011-04-27 | 天津科技大学 | Reaction kettle capable of heating by adopting far infrared radiation |
| CN103157422A (en) * | 2013-03-21 | 2013-06-19 | 扬中市金元化工电力设备厂 | Far infrared radiation heating device |
| CN203663826U (en) * | 2013-12-31 | 2014-06-25 | 黄石市利福达医药化工有限公司 | Far infrared heating stirred reaction kettle |
| CN204865801U (en) * | 2015-06-17 | 2015-12-16 | 宁波大学 | Detachable chemical reaction cauldron |
-
2016
- 2016-04-27 CN CN201610301224.5A patent/CN105833816A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU429835A1 (en) * | 1973-02-19 | 1974-05-30 | Ю. Г. Лощенов, В. А. Марков , Ф. А. Крашенникова | APPARATUS FOR CHEMICAL REACTIONS |
| CN201807359U (en) * | 2010-09-07 | 2011-04-27 | 天津科技大学 | Reaction kettle capable of heating by adopting far infrared radiation |
| CN103157422A (en) * | 2013-03-21 | 2013-06-19 | 扬中市金元化工电力设备厂 | Far infrared radiation heating device |
| CN203663826U (en) * | 2013-12-31 | 2014-06-25 | 黄石市利福达医药化工有限公司 | Far infrared heating stirred reaction kettle |
| CN204865801U (en) * | 2015-06-17 | 2015-12-16 | 宁波大学 | Detachable chemical reaction cauldron |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243313A (en) * | 2017-06-23 | 2017-10-13 | 扬中市神洲化工电力设备有限公司 | Produce the far infrared reactor of graphene |
| CN110361437A (en) * | 2018-03-05 | 2019-10-22 | 西南石油大学 | A kind of multi-functional electrochemical testing device and method based on pressure control |
| CN108404817A (en) * | 2018-05-16 | 2018-08-17 | 龙游富田造纸精化有限公司 | A kind of comprehensive heating structure of rosin dissolution kettle |
| CN111773762A (en) * | 2020-06-09 | 2020-10-16 | 江苏恒科新材料有限公司 | Energy-conserving compact polyester chip crystallization drying system |
| CN111773762B (en) * | 2020-06-09 | 2022-03-08 | 江苏恒科新材料有限公司 | Energy-conserving compact polyester chip crystallization drying system |
| CN112546992A (en) * | 2020-11-23 | 2021-03-26 | 山东无棣海丰电缆有限公司 | Energy-saving and environment-friendly crosslinking reaction device |
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Application publication date: 20160810 |