CN112295522A - Top temperature control device for polyester resin production and temperature control method thereof - Google Patents
Top temperature control device for polyester resin production and temperature control method thereof Download PDFInfo
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- CN112295522A CN112295522A CN202011212468.9A CN202011212468A CN112295522A CN 112295522 A CN112295522 A CN 112295522A CN 202011212468 A CN202011212468 A CN 202011212468A CN 112295522 A CN112295522 A CN 112295522A
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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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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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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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- Automation & Control Theory (AREA)
Abstract
The invention discloses a top temperature control device for polyester resin production and a temperature control method thereof, the top temperature control device comprises two support plates, the upper surfaces of the support plates are fixedly connected with a shell, the inner side wall of the shell is provided with an annular pipe body, the upper surfaces of the support plates are connected with a water storage tank through screw threads, the inner side wall of the water storage tank is communicated with a second pipe body, one end of the second pipe body, far away from the water storage tank, penetrates through the inner side wall of the shell and is communicated with one end of the annular pipe body, a user can sleeve the shell on the outer side wall of a polyester resin production kettle, a water pump is started when the temperature is too high, water flow in the water storage tank is conveyed into the annular pipe body, the polyester resin production kettle is cooled through the water flow, and meanwhile, the flow speed of the water flow in the annular pipe body can be improved, and meanwhile, the condenser cools water flow, so that the cooling effect of the polyester resin production kettle is accelerated.
Description
Technical Field
The invention relates to the technical field of examination equipment manufacturing in a resin production process, in particular to a top temperature control device and a temperature control method for polyester resin production.
Background
The unsaturated polyester adhesive is mainly composed of unsaturated polyester resin, initiator, accelerator, filler, thixotropic agent, etc., wherein a linear structure containing-CH-double bond in the main chain is linear macromolecular polyester resin, which can be mixed with alkene monomers such as styrene, acrylic ester, vinyl acetate, etc. and then polymerized into insoluble and infusible products under the action of the initiator and the accelerator at normal temperature, and the unsaturated polyester is abbreviated as UP. The method is mainly used for producing coil coating, and at present, in the resin production process, the cooling link is an indispensable technological condition. Taking a polyester resin production process as an example, the process flow is divided into a primary feeding process and a secondary feeding process for esterification reaction; when the top temperature begins to rise to 90 ℃, reflux is started for 20 minutes to avoid alcohol overload. The top temperature is controlled within 100-103 ℃ under normal conditions, and the top temperature is controlled by cooling water at the top of the tower, so that the reaction can be carried out normally and smoothly.
Because the resin production is usually cooled by circulating water, the temperature of the circulating water is usually slightly higher than room temperature, the temperature difference in four seasons of the year is large, the temperature change affects the cooling effect of a part of condensers, the control of the top temperature in the production is not facilitated, and the separation of products and raw materials is further affected, so that the quality of the resin production is affected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a top temperature control device for polyester resin production and a temperature control method thereof.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a top temperature control device for polyester resin production comprises two support plates, wherein the upper surfaces of the support plates are fixedly connected with a shell, an annular pipe body is installed on the inner side wall of the shell, the upper surfaces of the support plates are connected with a water storage tank through screw threads, the inner side wall of the water storage tank is communicated with a second pipe body, one end, far away from the water storage tank, of the second pipe body penetrates through the inner side wall of the shell and is communicated with one end of the annular pipe body, the upper surfaces of the support plates are connected with a water pump through screw threads, a water inlet of the water pump is communicated with the inner side wall of the water storage tank, a condenser is installed on the upper surface of each support plate, a water outlet of the water pump is communicated with a water inlet of the condenser, a water outlet of the condenser is communicated with a first hose, the utility model discloses a refrigerator, including the condenser, the annular body, the first hose is kept away from the one end intercommunication of condenser has the second hose, the gas outlet of force (forcing) pump communicate in the inside wall of second hose, the second hose is kept away from the one end of first hose is run through the casing and is communicate in the one end of annular body, the upper surface intercommunication of casing has the box, the last surface mounting of box has the fan, the inside wall sliding connection of box has a body, the back fixed surface of the door body is connected with the box body, the inside wall of box body is equipped with dry ice layer, the inside wall of casing bonds and has the heat-conducting layer.
Preferably, the upper surface of the water storage tank is communicated with a water inlet pipe, and the upper surface of the water inlet pipe is provided with a cover body.
Preferably, the inner side wall of the water storage tank is communicated with a first pipe body, and a valve body is installed on the outer side wall of the first pipe body.
Preferably, the front surface of the door body is provided with a groove.
Preferably, the outer side wall of one of the shells is symmetrically and fixedly connected with two female buttons, the front surface of the other shell is symmetrically and fixedly connected with two male buttons, and the female buttons are matched with the male buttons.
Preferably, the lower surface of the supporting plate is symmetrically connected with two universal wheels through screw threads, and one side of one supporting plate is fixedly connected with a pushing handle.
Preferably, the air inlet of the fan is communicated with a second pipe body, and a filter screen is bonded on the inner side wall of the second pipe body.
The invention also provides a temperature control method for the polyester resin production top temperature control device, which comprises the following steps:
s1, sleeving the shell on the outer side wall of the polyester resin production kettle, monitoring the temperature of the polyester resin production kettle through a temperature sensor, starting a condenser when the temperature is too high, enabling the condenser to be started, injecting water flow in a water storage tank into the condenser, and injecting the water flow into a first hose after the water flow is cooled by the condenser;
s2, enabling the water flow in the first hose to flow into the second hose, simultaneously starting a pressure pump, enabling the pressure pump to be started to inject high-pressure gas into the second hose, enabling the water flow in the second hose to be injected into the annular pipe body through the high-pressure gas, and enabling the annular pipe body to continuously circulate the water flow to take away high temperature generated in the polyester resin production kettle;
and S3, starting the fan, injecting gas into the box body by starting the fan, and injecting the gas into the shell after passing through the dry ice layer.
Preferably, the water flow after taking away the heat in S2 is conveyed into the interior of the water storage tank through the second pipe body.
(III) advantageous effects
Compared with the prior art, the invention provides a top temperature control device and a temperature control method for polyester resin production, and the device and the method have the following beneficial effects:
when the device is used, a user can monitor the temperature through the temperature sensor by sleeving the shell on the outer side wall of the polyester resin production kettle, the water pump is started when the temperature is too high, water flow in the water storage tank is conveyed into the annular pipe body, the polyester resin production kettle is cooled through the water flow, meanwhile, through the arrangement of the condenser and the pressure pump, the flow speed of the water flow in the annular pipe body can be improved through the pressure pump, meanwhile, the condenser cools the water flow, and the cooling effect of the polyester resin production kettle is accelerated;
and meanwhile, in the use of the invention, a user can start the fan, the fan can suck external air into the box body, and the air in the box body is cooled by the dry ice layer and then injected into the shell, so that further cooling is realized, the temperature control effect on the polyester resin production kettle is good, the cooling speed is high, and the product quality is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic view of the internal structure of the case of the present invention.
In the figure: 1. a support plate; 2. a housing; 3. an annular tube body; 4. a water storage tank; 5. a water pump; 6. a condenser; 7. a first hose; 8. a pressure pump; 9. a second hose; 10. a box body; 11. a fan; 12. a box body; 13. a door body; 14. a dry ice layer; 15. a temperature sensor; 16. a water inlet pipe; 17. a cover body; 18. A sub-buckle; 19. a female buckle; 20. a universal wheel; 21. a push handle; 22. a first pipe body; 23. a valve body; 24. A second tube body; 25. filtering with a screen; 26. a groove; 27. a thermally conductive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a top temperature control device for polyester resin production comprises two support plates 1, wherein the upper surface of each support plate 1 is fixedly connected with a shell 2, an annular pipe body 3 is installed on the inner side wall of each shell 2, the upper surface of each support plate 1 is connected with a water storage tank 4 through screw threads, the inner side wall of each water storage tank 4 is communicated with a second pipe body 24, one end, far away from the water storage tank 4, of each second pipe body 24 penetrates through the inner side wall of each shell 2 and is communicated with one end of each annular pipe body 3, the upper surface of each support plate 1 is connected with a water pump 5 through screw threads, a water inlet of each water pump 5 is communicated with the inner side wall of each water storage tank 4, a condenser 6 is installed on the upper surface of each support plate 1, a water outlet of each water pump 5 is communicated with a water inlet of the condenser 6, a water outlet of each condenser 6 is communicated with a first hose 7, the, the gas outlet of force (forcing) pump 8 communicates in the inside wall of second hose 9, the one end that first hose 7 was kept away from to second hose 9 runs through casing 2 and communicates in the one end of annular body 3, the upper surface intercommunication of casing 2 has box 10, the last surface mounting of box 10 has fan 11, the inside wall sliding connection of box 10 has a door body 13, the fixed surface rear of door body 13 is connected with box body 12, the inside wall of box body 12 is equipped with dry ice layer 14, the inside wall of casing 2 bonds and has heat-conducting layer 27.
In this embodiment, specifically: the upper surface of the water storage tank 4 is communicated with a water inlet pipe 16, and the upper surface of the water inlet pipe 16 is provided with a cover body 17; the user may open the cover 17 and fill water into the interior of the reservoir 4 through the inlet tube 16. the cover 17 prevents dust or debris from entering the interior of the reservoir 4.
In this embodiment, specifically: the inner side wall of the water storage tank 4 is communicated with a first pipe body 22, and the outer side wall of the first pipe body 22 is provided with a valve body 23; by providing the first tube 22, the user can open the valve 23, and when the valve 23 is opened, the water inside the reservoir 4 will flow out of the reservoir 4 through the first tube 22.
In this embodiment, specifically: the front surface of the door body 13 is provided with a groove 26; the user can open the door 13 for the force point through the groove 26.
In this embodiment, specifically: the outer side wall of one shell 2 is symmetrically and fixedly connected with two female buttons 19, the front surface of the other shell 2 is symmetrically and fixedly connected with two male buttons 18, and the female buttons 19 are matched with the male buttons 18; by providing the male and female clasps 18 and 19, the user can connect the two housings 2.
In this embodiment, specifically: the lower surface of the supporting plate 1 is symmetrically connected with two universal wheels 20 through screw threads, and one side of one supporting plate 1 is fixedly connected with a push handle 21; the user can move the device to a desired position by engaging the universal wheel 20 with the push handle 21 as a point of effort.
In this embodiment, specifically: an air inlet of the fan 11 is communicated with a second pipe body 24, and a filter screen 25 is bonded on the inner side wall of the second pipe body 24; through the setting of second body 24 and filter screen 25, when fan 11 carried the outside air, filter screen 25 can filter the impurity in the air, avoids the inside of great impurity entering fan 11 to cause the condition of jam.
The invention also provides a temperature control method for the polyester resin production top temperature control device, which comprises the following steps:
s1, sleeving the shell 2 on the outer side wall of a polyester resin production kettle, monitoring the temperature of the polyester resin production kettle through the temperature sensor 15, starting the condenser 6 when the temperature is too high, starting the condenser 6 to inject water flow in the water storage tank 4 into the condenser 6, and cooling the water flow through the condenser 6 and then injecting the water flow into the first hose 7;
s2, enabling the water flow in the first hose 7 to flow into the second hose 9, simultaneously starting the pressure pump 8, enabling the pressure pump 8 to be started to inject high-pressure gas into the second hose 9, enabling the water flow in the second hose 9 to be injected into the annular pipe body 3 through the high-pressure gas, and enabling the annular pipe body 3 to continuously circulate the water flow to take away high temperature generated in the polyester resin production kettle;
s3, the fan 11 is turned on, and the fan 11 is turned on to inject the gas into the box 10, and the gas passes through the dry ice layer 14 and then is injected into the housing 2.
In this embodiment, specifically: s2, conveying the water flow with the heat into the water storage tank 4 through the second pipe body 24; through the setting of second body 24, the inside rivers of annular body 3 can carry the inside of going into water storage box 4 through second body 24 to accomplish the used circulation of rivers.
In summary, the working principle and the working process of the device for controlling the top temperature in polyester resin production and the temperature control method thereof are that, when in use, firstly, a user can move the device to the position of a polyester resin production kettle by taking a push handle 21 as an acting point in cooperation with a universal wheel 20, meanwhile, two shells 2 are sleeved on the outer side wall of the polyester resin production kettle, the real-time temperature of the polyester resin production kettle is monitored by a temperature sensor 15, when the temperature is too high, the user can start a water pump 5, the water in a water storage tank 4 can be pumped into a condenser 6 by starting the water pump 5, the condenser 6 can cool the water, the water can be injected into a first hose 7 and a second hose 9 after the water in the condenser 6 is condensed, the user can start a pressurizing pump 8 after the water enters the first hose 7 and the second hose 9, the high-pressure gas is injected into the second hose 9 by opening the pressure pump 8, the flow rate of water is increased by the high-pressure gas, so that the high temperature generated by the polyester resin production kettle is quickly taken away, meanwhile, the fan 11 can be opened by a user, the external air can be injected into the box body 10 by opening the fan 11, meanwhile, the air can be cooled by the dry ice layer 14 in the box body 12, the air can be injected into the shell body 2 after being cooled, so that the polyester resin production kettle is cooled again, the high-efficiency temperature control effect is achieved, meanwhile, the water flow in the annular pipe body 3 after the heat is taken away can be conveyed into the water storage box 4 through the second pipe body 24, so that the water flow can be recycled, meanwhile, through the arrangement of the second pipe body 24 and the filter screen 25, when the fan 11 conveys the external air, the filter screen 25 can filter impurities in the air, avoid the inside condition that causes the jam that great impurity got into fan 11, and the user can open the door body 13 for the impetus through recess 26 and change dry ice layer 14.
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 (9)
1. A top temperature control device for polyester resin production comprises two support plates (1), and is characterized in that: the upper surface of the supporting plate (1) is fixedly connected with a shell (2), the inner side wall of the shell (2) is provided with an annular pipe body (3), the upper surface of the supporting plate (1) is connected with a water storage tank (4) through screw threads, the inner side wall of the water storage tank (4) is communicated with a second pipe body (24), one end, far away from the water storage tank (4), of the second pipe body (24 penetrates through the inner side wall of the shell (2) and is communicated with one end of the annular pipe body (3), the upper surface of the supporting plate (1) is connected with a water pump (5) through screw threads, a water inlet of the water pump (5) is communicated with the inner side wall of the water storage tank (4), the upper surface of the supporting plate (1) is provided with a condenser (6), a water outlet of the water pump (5) is communicated with a water inlet of the condenser (6), and a water outlet of the condenser, the upper surface of one support plate (1) is connected with a pressure pump (8) through screw threads, one end of the first hose (7) far away from the condenser (6) is communicated with a second hose (9), the air outlet of the pressure pump (8) is communicated with the inner side wall of the second hose (9), one end of the second hose (9) far away from the first hose (7) penetrates through the shell (2) and is communicated with one end of the annular pipe body (3), the upper surface of the shell (2) is communicated with a box body (10), the upper surface of the box body (10) is provided with a fan (11), the inner side wall of the box body (10) is connected with a door body (13) in a sliding way, the rear surface of the door body (13) is fixedly connected with a box body (12), the inner side wall of the box body (12) is provided with a dry ice layer (14), and the inner side wall of the shell (2) is bonded with a heat conduction layer (27).
2. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: the upper surface of the water storage tank (4) is communicated with a water inlet pipe (16), and the upper surface of the water inlet pipe (16) is provided with a cover body (17).
3. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: the inner side wall of the water storage tank (4) is communicated with a first pipe body (22), and a valve body (23) is installed on the outer side wall of the first pipe body (22).
4. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: the front surface of the door body (13) is provided with a groove (26).
5. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: one the lateral wall symmetry fixedly connected with two box (19) of casing (2), another the front surface symmetry fixedly connected with two son of casing (2) is detained (18), box (19) with son is detained (18) looks adaptation.
6. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: the lower surface symmetry of backup pad (1) has two universal wheels (20) through screw thread connection, one side fixedly connected with of backup pad (1) pushes away handle (21).
7. The apparatus for controlling the ceiling temperature for polyester resin production according to claim 1, wherein: the air inlet of the fan (11) is communicated with a second pipe body (24), and a filter screen (25) is bonded on the inner side wall of the second pipe body (24).
8. A temperature control method for a polyester resin production top temperature control device is characterized by comprising the following steps:
s1, sleeving the shell (2) on the outer side wall of the polyester resin production kettle, monitoring the temperature of the polyester resin production kettle through a temperature sensor (15), starting a condenser (6) when the temperature is too high, starting the condenser (6) to inject water flow in a water storage tank (4) into the condenser (6), and cooling the water flow through the condenser (6) and then injecting the water flow into a first hose (7);
s2, enabling water flow in the first hose (7) to flow into the second hose (9), simultaneously starting the pressure pump (8), enabling the pressure pump (8) to be started to inject high-pressure gas into the second hose (9), enabling the water flow in the second hose (9) to be injected into the annular pipe body (3) through the high-pressure gas, and enabling the annular pipe body (3) to continuously circulate water flow to take away high temperature generated in the polyester resin production kettle;
s3, starting the fan (11), injecting gas into the box body (10) by starting the fan (11), and injecting the gas into the shell (2) after passing through the dry ice layer (14).
9. The temperature control method for a polyester resin production top temperature control device according to claim 8, characterized in that: and in the step S2, the water flow with the heat taken away is conveyed into the water storage tank (4) through the second pipe body (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212468.9A CN112295522A (en) | 2020-11-03 | 2020-11-03 | Top temperature control device for polyester resin production and temperature control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011212468.9A CN112295522A (en) | 2020-11-03 | 2020-11-03 | Top temperature control device for polyester resin production and temperature control method thereof |
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| CN112295522A true CN112295522A (en) | 2021-02-02 |
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| CN202011212468.9A Pending CN112295522A (en) | 2020-11-03 | 2020-11-03 | Top temperature control device for polyester resin production and temperature control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113010384A (en) * | 2021-03-17 | 2021-06-22 | 喻孟 | Information system terminal based on computer data collection |
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| JPH11109089A (en) * | 1997-09-30 | 1999-04-23 | Kakunenryo Cycle Kaihatsu Kiko | Storage for agitation-cooling uranium/plutonium mixed oxide powder |
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| CN113010384A (en) * | 2021-03-17 | 2021-06-22 | 喻孟 | Information system terminal based on computer data collection |
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Application publication date: 20210202 |
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