CN112871114A - Efficient chemical industry reation kettle - Google Patents
Efficient chemical industry reation kettle Download PDFInfo
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- CN112871114A CN112871114A CN202110047749.1A CN202110047749A CN112871114A CN 112871114 A CN112871114 A CN 112871114A CN 202110047749 A CN202110047749 A CN 202110047749A CN 112871114 A CN112871114 A CN 112871114A
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- reaction kettle
- heating pipe
- rotating rod
- pipe
- wall
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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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
- B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00085—Plates; Jackets; Cylinders
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a high-efficiency chemical reaction kettle, which comprises a reaction kettle main body, wherein a rotating rod is arranged in the middle of the reaction kettle main body, the rotating rod is arranged on a first bearing, a stirring rod is welded below the rotating rod, the rotating rod is a hollow rod, a nozzle device is arranged on the side wall of the rotating rod, the nozzle device is communicated with the rotating rod through a fixing ring, a first heating pipe and a second heating pipe are arranged on the inner wall of the reaction kettle main body, a lifting control device is arranged on the second heating pipe, and the nozzle device is arranged, so that when the reaction kettle is used for a long time, residual components are arranged on the reaction kettle, and meanwhile, when different chemical materials are replaced and reacted, the reaction kettle can be cleaned, so that chemical residues are prevented from being generated, the reaction kettle is damaged, on the other hand, the influence of the residual chemical components on the next chemical reaction is avoided, the reaction can be stopped and cleaned immediately without great cost and turnover of operators.
Description
Technical Field
The invention relates to the technical field of reaction kettle devices, in particular to an efficient chemical reaction kettle.
Background
The broad understanding of the reaction kettle is that the reaction kettle is a container for physical or chemical reaction, and the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container.
The reaction kettle is widely applied to pressure vessels for petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods, and is used for completing technological processes such as vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as a reactor, a reaction kettle, a decomposition kettle, a polymerization kettle and the like; the material is generally carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloy and other composite materials.
But at present reation kettle carries out chemical reaction's in-process again, though make chemical reaction become high-efficient, but after the chemistry prevents, in time clear up, the task volume of clearance is great, leads to long time just can clear up once, makes to have the chemistry shovel excrement to remain on it, can not stop promptly and clear up, and at present reation kettle has heating device simultaneously, but present heating device is all fixed, makes when putting the raw materials less, the phenomenon of dry combustion method can appear.
Therefore, the invention provides an efficient chemical reaction kettle for solving the problems.
Disclosure of Invention
The invention aims to provide an efficient chemical reaction kettle to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency chemical reaction kettle comprises a reaction kettle body, wherein a feed inlet is arranged on the reaction kettle body, a discharge outlet is arranged below the reaction kettle body, a rotating rod is arranged in the middle of the reaction kettle body and is arranged on a first bearing, the first bearing is arranged in a first sealing ring, the rotating rod and the reaction kettle body can be sealed by the first sealing ring, gas leaks out in the reaction process to cause potential safety hazards, a first ratchet wheel is arranged at the upper end of the rotating rod, a second ratchet wheel is arranged on one side of the first ratchet wheel and is arranged on a rotating shaft of a motor, the motor is arranged at the upper end of the reaction kettle body, a connecting ring is arranged at the upper end of the rotating rod and is used for connecting a water pipe and the rotating rod, a second bearing is arranged on the water pipe, the second bearing is connected with the connecting ring through a connecting frame, a water tank is arranged at, the water tank passes through the support frame to be fixed in reation kettle main part upper end, and the welding has the puddler below the dwang, and the dwang is a hollow pole, installs the shower nozzle device on the lateral wall of dwang, and the shower nozzle device is equipped with first heating pipe and second heating pipe through solid fixed ring and dwang intercommunication above the inner wall of reation kettle main part, installs the lift control device on the second heating pipe.
Preferably, the spray head device consists of a spray pipe, a fixed rod, a connecting block, a tension spring, a fixed block, a plug, a protective cover, a seal, a clamping strip, a clamping ring and a hinge, wherein the spray pipe is arranged on the fixed ring, one end of the spray pipe is provided with the protective cover, the protective cover and the spray pipe are connected through the hinge, the plug is integrally arranged on the protective cover, the seal is integrally arranged on the plug and can increase the sealing performance of the plug, when the spray pipe is not used, reaction liquid in the reaction kettle main body enters the spray pipe, the clamping strip is vertically fixed on one side of the plug and is clamped in the clamping ring, the clamping ring is vertically arranged on the inner wall of the spray pipe, the fixed block is vertically fixed on one side of the plug, the tension spring is fixedly arranged on the fixed block, the other end of the tension spring is fixedly arranged on the, the water pressure in the spray pipe can impact the plug and the protective cover, so that the plug and the protective cover are opened, the tension spring is stretched, the clamping strip and the clamping ring are separated, water is sprayed out, after the cleaning is finished, when no water exists in the spray pipe, the plug and the protective cover are pulled back to the original position under the action of the tension spring, and the spray pipe is sealed and blocked.
Preferably, the lifting control device comprises a thread block, a track strip, a sliding block, a second sealing ring, a threaded rod and a fixing plate, wherein the thread block is fixedly welded on the side wall of the second heating pipe, the thread block is installed on the threaded rod, the threaded rod is connected with the thread block through threads, the lower end of the threaded rod is installed on the fixing plate, the fixing plate is vertically welded on the inner wall of the reaction kettle main body, the upper end of the threaded rod is installed in the second sealing ring, the second sealing ring is installed at the upper end of the reaction kettle main body, the sliding block is vertically welded on the other side of the second heating pipe, the sliding block is inserted in the track strip, the track strip is welded on the inner wall of the reaction kettle main body, when the reaction raw materials in the reaction kettle main body are less, the reaction kettle main body is not filled, the reaction process still needs to be heated, and the height of, rotatory threaded rod, rotatory threaded rod can make the screw thread piece downstream, and the screw thread piece will drive the second heating pipe along track strip lapse, knows to be submerged by reaction liquid can, so not only can avoid the second heating pipe to be in empty burning state, can also heat reaction liquid side by side with first heating pipe, further accelerate reaction efficiency for the reaction is more efficient goes on.
Preferably, first heating pipe and second heating pipe are dislocation installation, and not on same vertical axis, and first heating pipe is installed on the inner wall of reation kettle main part, and is located the following of second heating pipe when the second heating pipe downstream, and the second heating pipe just can heat the reaction liquid of reation kettle main part with first heating pipe side by side for reaction rate.
Preferably, the first heating pipes and the second heating pipes are four groups in total and are uniformly arranged on the inner wall of the reaction kettle main body in a circular shape, and the four groups of the first heating pipes and the four groups of the second heating pipes can effectively heat reaction liquid in the reaction kettle main body, so that the reaction efficiency is increased.
Preferably, the nozzle device has five groups altogether, and every group is two, and about dwang symmetry setting, five groups of nozzle device can be effectual clear up the reation kettle main part.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the spray head device, residual components are on the reaction kettle after the reaction kettle is used for a long time, and the reaction kettle can be cleaned when different chemical materials are changed for reaction, so that chemical residues are prevented from being generated and the reaction kettle is damaged, on the other hand, the influence of the residual chemical components on pollution of the next chemical reaction is avoided, and meanwhile, the spray head device enables the cleaning of the reaction kettle to be simple, does not need great expense and turnover of operators, and can also enable the reaction to be stopped and cleaned immediately;
2. through having set up lift control device for when the raw materials of reaction in the reation kettle main part is less, when not filling the reation kettle main part with, and the reaction process still needs the heating moreover, in order to avoid the second heating pipe to be in the empty state of burning, can highly adjust the second heating pipe, so not only can avoid the second heating pipe to be in the empty state of burning, can also heat reaction liquid side by side with first heating pipe, further accelerate reaction efficiency, make the reaction go on more efficiently.
Drawings
FIG. 1 is a front view of a high efficiency chemical reaction vessel;
FIG. 2 is a perspective view of a high efficiency chemical reactor;
FIG. 3 is an exploded view of a part of a high-efficiency chemical reaction kettle;
FIG. 4 is an exploded view of the lift control device;
FIG. 5 is a disassembled exploded view of the lift control device;
fig. 6 is a front view of the lift control device in disassembled state.
In the figure: the reaction kettle comprises a reaction kettle body 1, a stirring rod 2, a discharge port 3, a rotating rod 4, a feed inlet 5, a first sealing ring 6, a first bearing 7, a first ratchet wheel 8, a second ratchet wheel 9, a motor 10, a water tank 11, a water pipe 12, a second bearing 13, a connecting frame 14, a connecting ring 15, a fixing ring 16, a spray head device 17, a spray pipe 1701, a fixing rod 1702, a connecting block 1703, a tension spring 1704, a fixing block 1705, a plug 1706, a protective cover 1707, a seal 1708, a clamping strip 1709, a clamping ring 1710, a hinge 1711, a first heating pipe 18, a second heating pipe 19, a thread block 1901, a track strip 1902, a sliding block 1903, a second sealing ring 1904, a threaded rod 1905 and.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a high-efficiency chemical reaction kettle comprises a reaction kettle main body 1, wherein a feed inlet 5 is arranged on the reaction kettle main body 1, a discharge outlet 3 is arranged below the reaction kettle main body 1, a rotating rod 4 is arranged in the middle of the reaction kettle main body 1, the rotating rod 4 is arranged on a first bearing 7, the first bearing 7 is arranged in a first sealing ring 6, the rotating rod 4 and the reaction kettle main body 1 can be sealed by the first sealing ring 6, gas leaks out in the reaction process to cause potential safety hazards, a first ratchet 8 is arranged at the upper end of the rotating rod 4, a second ratchet 9 is arranged on one side of the first ratchet 8, the second ratchet 9 is arranged on a rotating shaft of a motor 10, the motor 10 is arranged at the upper end of the reaction kettle main body 1, a connecting ring 15 is arranged at the upper end of the rotating rod 4, the connecting ring 15 is used for connecting a water pipe 12 and the rotating rod 4, a second bearing 13 is arranged on the water, water tank 11 is installed to the upper end of water pipe 12, and with water tank 11 intercommunication, water tank 11 passes through the support frame to be fixed in 1 upper ends of reation kettle main part, the welding has puddler 2 below dwang 4, dwang 4 is a hollow pole, install shower nozzle device 17 on the lateral wall of dwang 4, shower nozzle device 17 is through solid fixed ring 16 and dwang 4 intercommunication, be equipped with first heating pipe 18 and second heating pipe 19 above the inner wall of reation kettle main part 1, install the lift control device on the second heating pipe 19.
Further, the nozzle device 17 comprises a nozzle 1701, a fixing rod 1702, a connecting block 1703, a tension spring 1704, a fixing block 1705, a plug 1706, a protective cover 1707, a seal 1708, a clamping strip 1709, a clamping ring 1710 and a hinge 1711, wherein the nozzle 1701 is installed on the fixing ring 16, one end of the nozzle 1701 is provided with the protective cover 1707, the protective cover 1707 is connected with the nozzle 1701 through the hinge 1711, the protective cover 1707 is integrally provided with the plug 1706, the seal 1708 is integrally installed on the plug 1706, the seal 1708 can increase the sealing performance of the plug 1706, when the nozzle is not used, reaction liquid in the reaction kettle main body 1 enters the nozzle 1701, one side of the plug 1706 is vertically fixed with the clamping strip 1709, the clamping strip 1709 is clamped in the clamping ring 1710, the clamping ring 1710 is vertically installed on the inner wall of the nozzle 1701, one side of the plug 1706 is vertically fixed with the fixing block 1705, the tension spring 1704 is fixedly installed on, connecting block 1703 cup joints on dead lever 1702, dead lever 1702 is installed on the inner wall of spray tube 1701 perpendicularly, when reation kettle main part 1 cleared up, the water pressure in the spray tube 1701 can strike stopper 1706 and visor 1707, make stopper 1706 and visor 1707 open, extension spring 1704 is stretched simultaneously, card strip 1709 and snap ring 1710 separate, the water injection is gone out, after finishing clearing up, when there is not water in the spray tube 1701, under the effect of extension spring 1704, pull back stopper 1706 and visor 1707 to original position, block up the spray tube 1701 sealed.
Further, the lifting control device is composed of a thread block 1901, a rail strip 1902, a slider 1903, a second sealing ring 1904, a threaded rod 1905 and a fixing plate 1906, the thread block 1901 is fixedly welded on the side wall of the second heating pipe 19, the thread block 1901 is mounted on the threaded rod 1905, the threaded rod 1905 is in threaded connection with the thread block 1901, the lower end of the threaded rod 1905 is mounted on the fixing plate 1906, the fixing plate 1906 is vertically welded on the inner wall of the reaction kettle body 1, the upper end of the threaded rod 1905 is mounted in the second sealing ring 1904, the second sealing ring 1904 is mounted on the upper end of the reaction kettle body 1, the slider 1903 is vertically welded on the other side of the second heating pipe 19, the slider 1903 is inserted in the rail strip 1902 and is welded on the inner wall of the reaction kettle body 1, when the raw materials reacted in the reaction kettle body 1 are relatively small, the reaction kettle body 1 is not filled with the reaction, in order to avoid that the second heating pipe 19 is in an empty burning state, the height of the second heating pipe 19 can be adjusted, the threaded rod 1905 is rotated, the threaded rod 1905 can make the threaded block 1901 move downwards, the threaded block 1901 can drive the second heating pipe 19 to slide downwards along the track bar 1902, it can be submerged by reaction liquid to know, so not only can avoid the second heating pipe 19 to be in an empty burning state, but also can heat the reaction liquid side by side with the first heating pipe 18, further accelerate the reaction efficiency, and make the reaction go on more efficiently.
Further, the first heating pipe 18 and the second heating pipe 19 are installed in a staggered manner and are not on the same vertical axis, the first heating pipe 18 is installed on the inner wall of the reaction kettle main body 1, and is located below the second heating pipe 19, when the second heating pipe 19 moves downwards, the second heating pipe 19 and the first heating pipe 18 can heat the reaction liquid of the reaction kettle main body 1 side by side, and the reaction rate is increased.
Furthermore, four groups of first heating pipes 18 and second heating pipes 19 are arranged on the inner wall of the reaction kettle main body 1 uniformly in a circular shape, and the four groups of first heating pipes 18 and second heating pipes 19 can effectively heat the reaction liquid in the reaction kettle main body 1, so that the reaction efficiency is increased.
Further, the nozzle device 17 has five groups altogether, and every group is two, sets up about dwang 4 symmetry, and five groups of nozzle device 17 can be effectual clear up reation kettle main part 1.
The working principle is as follows: when the reaction kettle is used, firstly, required reaction raw materials are poured into the reaction kettle main body 1 from the feeding hole 5, then a switch of the motor 10 is turned on, a rotating shaft of the motor 10 drives the second ratchet wheel 9 to rotate, the second ratchet wheel 9 drives the first ratchet wheel 8 to rotate, the first ratchet wheel 8 drives the rotating rod 4 to rotate, the rotating rod 4 drives the stirring rod 2 to stir the reaction raw materials, so that the reaction is accelerated, if the reaction formula is that the inside of the reaction kettle main body 1 needs to be heated, so that the reaction is accelerated, the switches of the first heating pipe 18 and the second heating pipe 19 are turned on, if the reaction raw materials in the reaction kettle main body 1 are less, the reaction kettle main body 1 is not filled, and the reaction process needs to be heated, in order to avoid the second heating pipe 19 being in an empty burning state, the height of the second heating pipe 19 can be adjusted, the threaded rod 1905 is rotated, because the first heating pipe 18 and the second heating pipe 19 are installed in a staggered manner and are not on the same vertical axis, the rotating threaded rod 1905 can enable the threaded block 1901 to move downwards, the threaded block 1901 can drive the second heating pipe 19 to slide downwards along the track strip 1902, and the second heating pipe is known to be submerged by reaction liquid, so that the second heating pipe 19 can be prevented from being in an idle burning state, and can be arranged side by side with the first heating pipe 18 to heat the reaction liquid, further increasing the reaction efficiency, so that the reaction can be carried out more efficiently, after the reaction is finished, the reaction product is output from the discharge port 3, when the interior of the reaction kettle main body 1 needs to be cleaned, the switch of the motor 10 is continuously turned on, the switch of the water tank 11 is turned on, the motor 10 drives the rotating rod 4 to rotate, the rotating rod 4 is a hollow rod, the water tank 11 injects water from the water pipe 12 to the rotating rod 4, and, water tank 11 carries out the pressure boost with water, it is very big to make the water in the dwang 4 get into shower nozzle device 17, water pressure can strike stopper 1706 and visor 1707, make stopper 1706 and visor 1707 open, extension spring 1704 is stretched simultaneously, card strip 1709 and separately snap ring 1710, the water jet and play, simultaneously under dwang 4 rotating condition, with the inside clean up of reation kettle main part 1, the back is accomplished in the clearance, close the switch of motor 10 and water tank 11, under extension spring 1704's effect, pull back stopper 1706 and visor 1707 to original position, block up the sealed of spray tube 1701, the waste water of clearance comes out from discharge gate 3, it can to handle waste water again.
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 (6)
1. The utility model provides an efficient chemical industry reation kettle, includes reation kettle main part (1), its characterized in that: the reaction kettle comprises a reaction kettle body (1), a feed inlet (5) is arranged on the reaction kettle body (1), a discharge outlet (3) is arranged below the reaction kettle body (1), a rotating rod (4) is installed in the middle of the reaction kettle body (1), the rotating rod (4) is installed on a first bearing (7), the first bearing (7) is installed in a first sealing ring (6), a first ratchet wheel (8) is installed at the upper end of the rotating rod (4), a second ratchet wheel (9) is arranged on one side of the first ratchet wheel (8), the second ratchet wheel (9) is installed on a rotating shaft of a motor (10), the motor (10) is installed at the upper end of the reaction kettle body (1), a connecting ring (15) is installed at the upper end of the rotating rod (4), the connecting ring (15) is connected with a water pipe (12) and the rotating rod (4), a second bearing (13) is installed on the water pipe (12), the second bearing (13), water tank (11) are installed to the upper end of water pipe (12), and communicate with water tank (11), water tank (11) are fixed in reation kettle main part (1) upper end through the support frame, the welding has puddler (2) below dwang (4), dwang (4) are a hollow pole, install shower nozzle device (17) on the lateral wall of dwang (4), shower nozzle device (17) are through solid fixed ring (16) and dwang (4) intercommunication, be equipped with first heating pipe (18) and second heating pipe (19) above the inner wall of reation kettle main part (1), install lift control device on second heating pipe (19).
2. The high-efficiency chemical reaction kettle according to claim 1, wherein: the sprayer device (17) comprises a spray pipe (1701), a fixing rod (1702), a connecting block (1703), a tension spring (1704), a fixing block (1705), a plug (1706), a protective cover (1707), a seal (1708), a clamping strip (1709), a clamping ring (1710) and a hinge (1711), wherein the spray pipe (1701) is installed on the fixing ring (16), one end of the spray pipe (1701) is provided with the protective cover (1707), the protective cover (1707) is connected with the spray pipe (1701) through the hinge (1711), the plug (1706) is integrally installed on the protective cover (1707), the seal (1708) is integrally installed on the plug (1706), the clamping strip (1709) is vertically fixed on one side of the plug (1706), the clamping strip (1709) is clamped in the clamping ring (1710), the clamping ring (1710) is vertically installed on the inner wall of the spray pipe (1701), the fixing block (1705) is vertically fixed on one side of the plug (1706), the tension spring (1704, the other end of extension spring (1704) fixed mounting is on connecting block (1703), and connecting block (1703) cup joints on dead lever (1702), and dead lever (1702) is installed perpendicularly on the inner wall of spray tube (1701).
3. The high-efficiency chemical reaction kettle according to claim 1, wherein: the lifting control device consists of a thread block (1901), a track bar (1902), a slide block (1903), a second sealing ring (1904), a threaded rod (1905) and a fixing plate (1906), fixed welding has screw thread piece (1901) on the lateral wall of second heating pipe (19), screw thread piece (1901) is installed on threaded rod (1905), threaded rod (1905) and screw thread piece (1901) pass through threaded connection, the lower extreme of threaded rod (1905) is installed on fixed plate (1906), fixed plate (1906) welds perpendicularly on the inner wall of reation kettle main part (1), the upper end of threaded rod (1905) is installed in second sealing ring (1904), the upper end at reation kettle main part (1) is installed in second sealing ring (1904), the perpendicular welding of opposite side of second heating pipe (19) has slider (1903), slider (1903) are pegged graft in track strip (1902), track strip (1902) welds on the inner wall of reation kettle main part (1).
4. The high-efficiency chemical reaction kettle according to claim 1, wherein: the first heating pipe (18) and the second heating pipe (19) are installed in a staggered mode and are not on the same vertical axis. The first heating pipe (18) is arranged on the inner wall of the reaction kettle main body (1) and is positioned below the second heating pipe (19).
5. The high-efficiency chemical reaction kettle according to claim 1, wherein: the first heating pipes (18) and the second heating pipes (19) are four groups in total and are uniformly arranged on the inner wall of the reaction kettle main body (1) in a circular shape.
6. The high-efficiency chemical reaction kettle according to claim 1, wherein: the spray head devices (17) are provided with five groups in total, two in each group, and are symmetrically arranged relative to the rotating rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047749.1A CN112871114A (en) | 2021-01-14 | 2021-01-14 | Efficient chemical industry reation kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047749.1A CN112871114A (en) | 2021-01-14 | 2021-01-14 | Efficient chemical industry reation kettle |
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| CN112871114A true CN112871114A (en) | 2021-06-01 |
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| CN202110047749.1A Withdrawn CN112871114A (en) | 2021-01-14 | 2021-01-14 | Efficient chemical industry reation kettle |
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| CN211303106U (en) * | 2019-09-06 | 2020-08-21 | 武汉光谷联合医学检验所股份有限公司 | Electric stirring glass constant-temperature water bath kettle |
| CN111298756A (en) * | 2020-04-17 | 2020-06-19 | 广东电网有限责任公司东莞供电局 | Reation kettle device for bioengineering |
| CN111644137A (en) * | 2020-06-03 | 2020-09-11 | 常州都铂高分子有限公司 | Mixed reation kettle of pressure-sensitive collagen glue solution processing usefulness |
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Application publication date: 20210601 |