CN113398856A - Temperature-adjustable polyurethane reaction kettle - Google Patents
Temperature-adjustable polyurethane reaction kettle Download PDFInfo
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- CN113398856A CN113398856A CN202110798354.5A CN202110798354A CN113398856A CN 113398856 A CN113398856 A CN 113398856A CN 202110798354 A CN202110798354 A CN 202110798354A CN 113398856 A CN113398856 A CN 113398856A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
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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
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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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
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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
- 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
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- 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
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- 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
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
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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
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00092—Tubes
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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
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
Abstract
The invention relates to the technical field of polyurethane production equipment, and discloses a temperature-adjustable polyurethane reaction kettle, wherein a fixed plate is fixedly arranged at the upper part of a kettle body, a first stirring paddle and a second stirring paddle are arranged on the fixed plate, a scraping plate is arranged on the kettle body, the side surface of the scraping plate is tightly attached to the side wall of the kettle body, a motor is fixedly arranged on the kettle body, the motor is connected with the end part of the first stirring paddle and controls the first stirring paddle to rotate, the first stirring paddle drives the second stirring paddle to rotate and drive the scraping plate to rotate through a connecting mechanism, the steering direction of the first stirring paddle is opposite to that of the second stirring paddle, the side wall of the kettle body is provided with a cavity for mounting a coil pipe, a temperature control mechanism is connected with an inlet and an outlet of the coil pipe and controls water flow to flow out and into the coil pipe, the top and the bottom of the kettle body are respectively provided with a feed inlet and a discharge outlet, a water spraying mechanism is arranged on the fixed plate, and the water spraying mechanism is connected with a water source. The invention has the advantages of automatic control of reaction temperature, high reaction efficiency, uniform mixing, high automation degree and convenient use.
Description
Technical Field
The invention relates to the technical field of polyurethane production equipment, in particular to a temperature-adjustable polyurethane reaction kettle.
Background
Polyurethane, a full name of which is polyurethane, is a high molecular compound; because of the advantages of good heat insulation, sound insulation, shock resistance, poison prevention, good electrical property, oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness, elasticity and the like, the material can be widely used as a packaging material, a sound insulation material, a filtering material, a structural material for building industry, automobile industry, aviation industry and heat insulation, and can be applied to the shoe manufacturing industry and the medical industry; however, in the production process of the existing polyurethane, the polyurethane is usually placed into a reaction device for reaction, and a simple stirring rod is used for stirring, but the production method is difficult to control the reaction temperature, so that the reaction efficiency is low, the mixing is not uniform, the viscosity of the reaction raw materials is large, part of the reaction raw materials can be adhered to the side wall of the reaction device under the action of a stirring paddle, and the reaction raw materials are wasted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a temperature adjustable polyurethane reation kettle, ability automatic control reaction temperature, reaction efficiency is high, the misce bene, degree of automation is high, convenient to use.
In order to solve the technical problem, the invention provides a temperature-adjustable polyurethane reaction kettle, which comprises a kettle body, a first stirring paddle, a second stirring paddle, a scraper, a fixing plate, a coil pipe, a temperature control mechanism, a water spraying mechanism and a motor, wherein the fixing plate is fixedly arranged at the upper part of the kettle body, the first stirring paddle and the second stirring paddle are both rotatably arranged on the fixing plate, the scraper is rotatably arranged on the kettle body, the side surface of the scraper is tightly attached to the side wall of the kettle body, the motor is fixedly arranged on the kettle body, the output end of the motor is connected with the end part of the first stirring paddle and controls the first stirring paddle to rotate, the first stirring paddle drives the second stirring paddle to rotate and drive the scraper to rotate along the side wall of the kettle body through a connecting mechanism, the rotation direction of the first stirring paddle is opposite to that of the second stirring paddle, the lateral wall of the cauldron body is equipped with and supplies the cavity of coil pipe installation, temperature control mechanism with the access & exit of coil pipe is connected and is controlled rivers and flow in the coil pipe, the top and the bottom of the cauldron body are equipped with feed inlet and discharge gate respectively, water spray mechanism sets up on the fixed plate, water spray mechanism is connected with the water source.
As a preferable scheme of the present invention, the connection mechanism includes a first external gear, a second external gear engaged with the first external gear, and an internal gear engaged with the second external gear, the first external gear is sleeved on the upper portion of the first stirring paddle, the second external gear is sleeved on the upper portion of the second stirring paddle, the internal gear is connected with the side wall of the kettle body through a bearing, and the scraper is disposed on the bottom surface of the internal gear.
As a preferable scheme of the present invention, the temperature control mechanism includes a plurality of temperature sensors, a solution circulation assembly, and a controller, the temperature sensors are respectively disposed on the side wall and the bottom surface of the kettle body, the controller controls the solution circulation assembly to deliver a high temperature solution or a cooling solution to the coil according to an average temperature value detected by the plurality of temperature sensors, and the controller is electrically connected to the temperature sensors.
As a preferable scheme of the present invention, the solution circulation assembly includes a high temperature liquid tank, a coolant tank, a water collection tank, a three-way solenoid valve, and a water pump, a water outlet of the high temperature liquid tank and a water outlet of the coolant tank are communicated with a water inlet of the coil, a water inlet of the water collection tank and a water outlet of the coil are communicated, a water outlet of the water collection tank is connected with a water inlet of the water pump, a water outlet of the water pump is respectively connected with a water inlet of the high temperature liquid tank and a water inlet of the coolant tank through the three-way solenoid valve, a heater is disposed between the high temperature liquid tank and the three-way solenoid valve, a cooler is disposed between the coolant tank and the three-way solenoid valve, switch valves are disposed at the water outlet of the high temperature liquid tank and the water outlet of the coolant tank, a flow meter is disposed at the water inlet of the coil, and a controller is respectively connected with the water pump and the water pump, The three-way electromagnetic valve, the switch valve and the flowmeter are electrically connected.
As a preferable scheme of the present invention, liquid level devices are disposed on the high temperature liquid tank, the cooling liquid tank and the water collecting tank, and the controller is electrically connected to the liquid level devices.
As a preferable scheme of the present invention, the water spraying mechanism includes a plurality of nozzles and water pipes, the nozzles are respectively disposed at intervals on the bottom surface of the fixing plate, the nozzles are connected to a water source through the water pipes, and the fixing plate is provided with through holes through which the water pipes can pass.
As a preferable scheme of the invention, a material conveying opening is arranged on the fixing plate, a feed hopper is arranged between the material conveying opening and the material inlet, and a sealing cover is arranged at the material inlet.
As a preferable aspect of the present invention, a guide plate is disposed on a bottom surface of the fixing plate, the guide plate is disposed below the material conveying port, and a tip of the guide plate is inclined toward a region where the first stirring paddle and the second stirring paddle intersect.
As a preferable scheme of the invention, the outer side wall of the kettle body is coated with an insulating layer.
As a preferable scheme of the present invention, the second stirring paddle includes a rotating rod and a stirring blade, the rotating rod is connected to the fixed plate, the stirring blade is provided with a plurality of horizontal stirring blades spaced apart from each other in an axial direction of the rotating rod, the stirring blade includes a plurality of horizontal stirring blades spaced apart from each other in a radial direction of the rotating rod, and a vertical stirring blade provided at an end of the horizontal stirring blade, and the vertical stirring blade is located between two adjacent blades of the first stirring paddle.
Compared with the prior art, the temperature-adjustable polyurethane reaction kettle provided by the embodiment of the invention has the beneficial effects that:
according to the invention, the reaction raw materials on the side wall of the kettle body are scraped off by the scraper, the first stirring paddle, the second stirring paddle and the scraper are stirred at the same time, the temperature of the inner cavity of the kettle body is automatically controlled by the temperature control mechanism according to the reaction requirement, the reaction temperature is automatically controlled, the reaction and the mixing of the reaction raw materials are carried out at a proper temperature, the reaction efficiency is high, the reaction time is short, the mixing is uniform, the inner cavity of the kettle body is cleaned by the water spraying mechanism after the reaction is used, the automation degree is high, and the use is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a temperature-adjustable polyurethane reactor according to an embodiment of the present invention;
FIG. 2 is a top view of the fixation plate;
in the figure, 1, a kettle body; 11. a fixing plate; 111. a material conveying port; 112. a via hole; 113. a guide plate; 12. a cavity; 13. a feed inlet; 14. a heat-insulating layer; 15. a feed hopper; 2. first stirring slurry; 3. second stirring slurry; 31. rotating the rod; 32. a horizontal stirring blade; 33. a vertical stirring blade; 4. a squeegee; 5. a coil pipe; 61. a high temperature liquid tank; 62. a coolant tank; 63. a water collection tank; 64. a three-way electromagnetic valve; 65. a water pump; 66. a heater; 67. a cooler; 68. an on-off valve; 69. a flow meter; 71. a nozzle; 72. a water pipe; 8. a motor; 91. a first external gear; 92. a second external gear; 93. an internal gear.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, the preferred embodiment of a temperature-adjustable polyurethane reaction kettle provided by the present invention includes a kettle body 1, a first stirring paddle 2, a second stirring paddle 3, a scraper 4, a fixing plate 11, a coil 5, a temperature control mechanism, a water spraying mechanism and a motor 8, wherein the fixing plate 11 is fixedly arranged at the upper portion of the kettle body 1, the first stirring paddle 2 and the second stirring paddle 3 are both rotatably arranged on the fixing plate 11, the scraper 4 is rotatably arranged on the kettle body 1, the side surface of the scraper 4 is tightly attached to the side wall of the kettle body 1, the scraper 4 is matched with the side wall of the kettle body 1 in shape, the scraper 4 is preferably an arc-shaped plate, the motor 8 is fixedly arranged on the kettle body 1, the output end of the motor 8 is connected with the end of the first stirring paddle 2 and controls the rotation of the first stirring paddle 2, the first stirring paddle 2 drives the second stirring paddle 3 to rotate and drive the scraper 4 to rotate along the side wall of the kettle body 1 through the connecting mechanism, the steering direction of the first stirring paddle 2 is opposite to the steering direction of the second stirring paddle 3, the side wall of the kettle body 1 is provided with a cavity 12 for mounting the coil pipe 5, specifically, the coil pipe 5 is wound in the cavity 12, the temperature control mechanism is connected with an inlet and an outlet of the coil pipe 5 and controls water flow to flow out of and into the coil pipe 5, the top and the bottom of the kettle body 1 are respectively provided with a feed inlet 13 and a discharge outlet, the water spraying mechanism is arranged on the fixing plate 11, and the water spraying mechanism is connected with a water source; it should be further noted that the bottom surface of the inner cavity of the kettle body 1 is funnel-shaped, and the discharge port is located at the lowest point of the bottom surface of the inner cavity of the kettle body 1, so that the reaction raw materials at the bottom surface of the inner cavity of the kettle body 1 can flow to the discharge port under the action of gravity; second stirring thick liquid 3 is equipped with a plurality ofly and evenly encircles at interval and establishes around first stirring thick liquid 2, in this embodiment, second stirring thick liquid 3 is equipped with four.
According to the invention, the reaction raw materials on the side wall of the kettle body 1 are scraped off by the scraper 4, meanwhile, the first stirring paddle 2, the second stirring paddle 3 and the scraper 4 are stirred, and then the temperature of the inner cavity of the kettle body 1 is automatically controlled by the temperature control mechanism according to the reaction requirement, so that the reaction temperature is automatically controlled, the reaction and the mixing of the reaction raw materials are carried out at a proper temperature, the reaction efficiency is high, the reaction time is short, the mixing is uniform, after the reaction is finished, the inner cavity of the kettle body 1 is cleaned by the water spraying mechanism, the automation degree is high, and the use is convenient; the reaction raw materials can be stirred bidirectionally by the reverse rotation of the first stirring paddle 2 and the second stirring paddle 3, so that the mixing degree of the reaction raw materials is greatly improved, and the reaction raw materials are mixed more uniformly; through the setting of scraper blade 4, can scrape the reaction raw materials on the 1 lateral wall of the cauldron body, stir reaction raw materials simultaneously, reduce reaction raw materials's waste, improve reaction raw materials's utilization ratio, and the water spraying mechanism work back, first stirring thick liquid 2 and the work of second stirring thick liquid are got rid of reaction raw materials above it to the lateral wall of the cauldron body 1 on, waste material and moisture on the 1 lateral wall of the cauldron body can be scraped to rethread scraper blade 4, realize self-cleaning, convenient to use.
Exemplarily, the connecting mechanism comprises a first external gear 91, a second external gear 92 meshed with the first external gear 91 and an internal gear 93 meshed with the second external gear 92, the first external gear 91 is sleeved on the upper portion of the first stirring paddle 2, the second external gear 92 is sleeved on the upper portion of the second stirring paddle 3, the internal gear 93 is connected with the side wall of the kettle body 1 through a bearing, and the scraper 4 is provided with a plurality of scrapers and uniformly arranged at intervals on the bottom surface of the internal gear 93; from this, through the setting of gear, realize that a motor 8 controls first stirring thick liquid 2, second stirring thick liquid 3 and scraper blade 4 synchronous rotation, can stir reaction raw materials simultaneously, with low costs, control is simple, convenient to use.
Illustratively, the temperature control mechanism comprises a plurality of temperature sensors, a solution circulation assembly and a controller, wherein the temperature sensors are respectively arranged on the side wall and the bottom surface of the kettle body 1, the controller controls the solution circulation assembly to convey high-temperature solution or cooling solution into the coil pipe 5 according to the average temperature value detected by the plurality of temperature sensors, and the controller is electrically connected with the temperature sensors; from this, operating personnel only need set up preset temperature range value in advance, and the controller just can pass through the inner chamber temperature of solution circulation subassembly control cauldron body 1 according to preset temperature, makes the temperature of cauldron body 1 inner chamber be in preset temperature range value all the time, has guaranteed the reaction efficiency of reaction raw materials.
Further, the solution circulating assembly comprises a high-temperature liquid tank 61, a cooling liquid tank 62, a water collecting tank 63, a three-way electromagnetic valve 64 and a water pump 65, a water outlet of the high-temperature liquid tank 61 is communicated with a water outlet of the cooling liquid tank 62 and a water inlet of the coil pipe 5, a water inlet of the water collecting tank 63 is communicated with a water outlet of the coil pipe 5, a water outlet of the water collecting tank 63 is connected with a water inlet of the water pump 65, a water outlet of the water pump 65 is respectively connected with a water inlet of the high-temperature liquid tank 61 and a water inlet of the cooling liquid tank 62 through the three-way electromagnetic valve 64, a heater 66 is arranged between the high-temperature liquid tank 61 and the three-way electromagnetic valve 64, a cooler 67 is arranged between the cooling liquid tank 62 and the three-way electromagnetic valve 64, switch valves 68 are arranged at the water outlet of the high-temperature liquid tank 61 and the water outlet of the cooling liquid tank 62, and a water inlet of the coil pipe 5 is provided with a flowmeter 69, the controller is respectively electrically connected with the water pump 65, the three-way electromagnetic valve 64, the switch valve 68, the flow meter 69 and the liquid level indicator, and the high-temperature liquid tank 61, the cooling liquid tank 62 and the water collecting tank 63 are respectively provided with the liquid level indicator; therefore, the controller can control the high-temperature liquid tank 61 or the cooling liquid tank 62 to inject the solution into the coil pipe 5 according to the average temperature value detected by the plurality of temperature sensors, and simultaneously part of the solution flows out of the water collecting tank 63 so as to control the temperature of the inner cavity of the kettle body 1; when the liquid level device of the high-temperature liquid tank 61 or the cooling liquid tank 62 detects that the solution is small, the controller controls the solution to flow out of the water collecting tank 63, the solution is heated to the preset temperature through the heater 66 and flows into the high-temperature liquid tank 61, or the solution is cooled to the preset temperature through the cooler 67 and flows into the cooling liquid tank 62, so that the self circulation of the solution is realized, the resources are saved, and the environment is protected; in addition, when the level gauge of the water collecting tank 63 detects that the solution is less, the controller gives an alarm to notify the operator to add the solution.
Illustratively, the water spraying mechanism comprises a nozzle 71 and a water pipe 72, the nozzle 71 is provided with a plurality of nozzles and is respectively arranged at intervals on the bottom surface of the fixing plate 11, the nozzle 71 is connected with a water source through the water pipe 72, the fixing plate 11 is provided with a through hole 112 for the water pipe 72 to pass through, and the nozzle 71 is preferably a spiral nozzle 71; thus, the nozzles 71 can eject water streams having impact forces to the periphery, so that the reaction raw materials slide down from the stirring paddle under the action of the impact forces.
Illustratively, a material conveying opening 111 is formed in the fixing plate 11, a feed hopper 15 is arranged between the material conveying opening 111 and the material inlet 13, and a sealing cover is arranged at the material inlet 13; specifically, feed inlet 13 with be equipped with the sealing washer between the closing cap, make reation kettle's inner chamber keep encapsulated situation, just feed inlet 13 is equipped with a plurality ofly, the corresponding a plurality ofly that is equipped with of material conveying mouth 111, conveniently adds the reaction raw materials of multiple difference simultaneously, and the reaction raw materials is difficult for falling the position outside feed inlet 13.
Illustratively, a guide plate 113 is arranged on the bottom surface of the fixed plate 11, the guide plate 113 is arranged below the material conveying port 111, and the end of the guide plate 113 is inclined towards the area where the first stirring paddle 2 and the second stirring paddle 3 are staggered; this allows the reaction raw materials to be dispersed and mixed by the guide plate 113 when they are poured, and also allows the reaction raw materials to be guided to the region where the first stirring paddle 2 and the second stirring paddle 3 intersect with each other, thereby allowing them to be sufficiently mixed.
Illustratively, the outer side wall of the kettle body 1 is coated with the heat insulation layer 14, specifically, the heat insulation material in the heat insulation layer 14 is composed of an aluminum-plated film, an aluminum-plated polyester film and an aluminum-plated polyimide film, so that the temperature loss can be greatly reduced, the surface temperature of the kettle body 1 can be reduced, an operator can be prevented from being scalded, and the heat insulation effect are good.
Exemplarily, in order to make the reaction raw materials mix more evenly, second stirring paddle 3 includes dwang 31 and stirring leaf, dwang 31 with fixed plate 11 is connected, the stirring leaf sets up a plurality ofly and follows the axial interval of dwang 31 sets up, the stirring leaf includes a plurality of edges horizontal stirring leaf 32 that the radial interval of dwang 31 set up and be in the vertical stirring leaf 33 of the tip of horizontal stirring leaf 32, vertical stirring leaf 33 is located adjacent two between the blade of first stirring paddle 2.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a temperature adjustable polyurethane reation kettle, its characterized in that, includes the cauldron body, first stirring thick liquid, second stirring thick liquid, scraper blade, fixed plate, coil pipe, temperature control mechanism, water spray mechanism and motor, the fixed plate sets firmly the upper portion of the cauldron body, first stirring thick liquid with the second stirring thick liquid all rotationally sets up on the fixed plate, the scraper blade rotationally sets up on the cauldron body, the lateral wall of the cauldron body is hugged closely to the side of scraper blade, the motor sets firmly on the cauldron body, the output of motor with the end connection of first stirring thick liquid controls first stirring thick liquid rotates, first stirring thick liquid passes through coupling mechanism and drives second stirring thick liquid rotation and drive the scraper blade rotates along the lateral wall of the cauldron body, the turn to of first stirring thick liquid with the turn to of second stirring thick liquid is opposite, the lateral wall of the cauldron body is equipped with the cavity that can supply the coil pipe installation, the temperature control mechanism with the access & exit of coil pipe is connected and is controlled rivers and flow in the coil pipe, the top and the bottom of the cauldron body are equipped with feed inlet and discharge gate respectively, water spray mechanism sets up on the fixed plate, water spray mechanism is connected with the water source.
2. The temperature-adjustable polyurethane reactor according to claim 1, wherein the connecting mechanism comprises a first external gear, a second external gear engaged with the first external gear, and an internal gear engaged with the second external gear, the first external gear is sleeved on the upper portion of the first stirring paddle, the second external gear is sleeved on the upper portion of the second stirring paddle, the internal gear is connected with the side wall of the reactor body through a bearing, and the scraper is disposed on the bottom surface of the internal gear.
3. The temperature-adjustable polyurethane reactor according to claim 1, wherein the temperature control mechanism comprises a plurality of temperature sensors, a plurality of solution circulation assemblies and a controller, the temperature sensors are respectively disposed on the side wall and the bottom surface of the reactor body, the controller controls the solution circulation assemblies to deliver high-temperature solution or cooling solution into the coil according to an average temperature value detected by the plurality of temperature sensors, and the controller is electrically connected to the temperature sensors.
4. The temperature-adjustable polyurethane reactor according to claim 3, wherein the solution circulating assembly comprises a high-temperature liquid tank, a cooling liquid tank, a water collecting tank, a three-way solenoid valve and a water pump, a water outlet of the high-temperature liquid tank and a water outlet of the cooling liquid tank are communicated with a water inlet of the coil pipe, a water inlet of the water collecting tank and a water outlet of the coil pipe are communicated, a water outlet of the water collecting tank is connected with a water inlet of the water pump, a water outlet of the water pump is respectively connected with a water inlet of the high-temperature liquid tank and a water inlet of the cooling liquid tank through the three-way solenoid valve, a heater is arranged between the high-temperature liquid tank and the three-way solenoid valve, a cooler is arranged between the cooling liquid tank and the three-way solenoid valve, switch valves are arranged at the water outlet of the high-temperature liquid tank and the water outlet of the cooling liquid tank, and a flow meter is arranged at the water inlet of the coil pipe, the controller is respectively electrically connected with the water pump, the three-way electromagnetic valve, the switch valve and the flowmeter.
5. The temperature-adjustable polyurethane reactor as claimed in claim 4, wherein liquid level indicators are disposed on the high-temperature liquid tank, the cooling liquid tank and the water collecting tank, and the controller is electrically connected to the liquid level indicators.
6. The temperature-adjustable polyurethane reactor according to claim 1, wherein the water spraying mechanism comprises a plurality of nozzles and water pipes, the nozzles are respectively disposed at intervals on the bottom surface of the fixing plate, the nozzles are connected to a water source through the water pipes, and the fixing plate is provided with through holes through which the water pipes can pass.
7. The temperature adjustable polyurethane reactor as claimed in claim 1, wherein a material feeding port is disposed on the fixing plate, a material feeding hopper is disposed between the material feeding port and the material feeding port, and a sealing cover is disposed at the material feeding port.
8. The temperature-adjustable polyurethane reactor according to claim 1, wherein a guide plate is disposed on a bottom surface of the fixed plate, the guide plate is disposed below the material feeding port, and a distal end of the guide plate is inclined toward a region where the first stirring paddle and the second stirring paddle intersect.
9. The temperature-adjustable polyurethane reaction kettle according to claim 1, wherein an insulating layer is coated on the outer side wall of the kettle body.
10. The temperature-adjustable polyurethane reactor according to any one of claims 1 to 9, wherein the second stirring paddle includes a rotating rod and a stirring blade, the rotating rod is connected to the fixing plate, the stirring blade is disposed in plurality and is spaced apart from each other in an axial direction of the rotating rod, the stirring blade includes a plurality of horizontal stirring blades spaced apart from each other in a radial direction of the rotating rod and a vertical stirring blade disposed at an end of the horizontal stirring blade, and the vertical stirring blade is disposed between two adjacent blades of the first stirring paddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798354.5A CN113398856A (en) | 2021-07-14 | 2021-07-14 | Temperature-adjustable polyurethane reaction kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798354.5A CN113398856A (en) | 2021-07-14 | 2021-07-14 | Temperature-adjustable polyurethane reaction kettle |
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| Publication Number | Publication Date |
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| CN113398856A true CN113398856A (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110798354.5A Pending CN113398856A (en) | 2021-07-14 | 2021-07-14 | Temperature-adjustable polyurethane reaction kettle |
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| CN (1) | CN113398856A (en) |
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| CN115121199A (en) * | 2022-07-11 | 2022-09-30 | 南通奥新电子科技有限公司 | Reaction unit for solid phase preparation based on calcium titanate |
| CN115253972A (en) * | 2022-08-01 | 2022-11-01 | 嘉兴中诚环保科技股份有限公司 | Production reation kettle for plastic lubricant |
| CN116196872A (en) * | 2023-04-04 | 2023-06-02 | 江西德盛精细化学品有限公司 | Environment-friendly color fixing agent preparation device and method |
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| CN108264061A (en) * | 2018-03-05 | 2018-07-10 | 天津科创复兴科技咨询有限公司 | A kind of ammonium chloride crystals storage device for preventing tank skin crystallization |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121199A (en) * | 2022-07-11 | 2022-09-30 | 南通奥新电子科技有限公司 | Reaction unit for solid phase preparation based on calcium titanate |
| CN115121199B (en) * | 2022-07-11 | 2023-11-28 | 南通奥新电子科技有限公司 | Reaction unit that solid phase preparation was used based on calcium titanate |
| CN115253972A (en) * | 2022-08-01 | 2022-11-01 | 嘉兴中诚环保科技股份有限公司 | Production reation kettle for plastic lubricant |
| CN115253972B (en) * | 2022-08-01 | 2024-01-26 | 嘉兴中诚环保科技股份有限公司 | Reaction kettle for producing plastic lubricant |
| CN116196872A (en) * | 2023-04-04 | 2023-06-02 | 江西德盛精细化学品有限公司 | Environment-friendly color fixing agent preparation device and method |
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