CN218475264U

CN218475264U - Paint production system

Info

Publication number: CN218475264U
Application number: CN202222555342.2U
Authority: CN
Inventors: 陶荣华; 占科
Original assignee: Jingmen Keshun New Material Co ltd
Current assignee: Jingmen Keshun New Material Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-02-14
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a coating production system, this coating production system includes: the material mixing and dewatering kettle is connected with the coating raw material tank and is used for carrying out material mixing operation and dewatering reaction; the reaction kettle is arranged at the downstream of the batching dehydration kettle and is provided with a feed inlet and a first kettle washing agent inlet, and the feed inlet is connected with an outlet of the batching dehydration kettle and is used for producing a coating finished product; the finished product kettle is arranged at the downstream end of the reaction kettle, is connected with the outlet of the reaction kettle and is used for storing a coating finished product; the kettle washing agent recovery tank is provided with a kettle washing agent recovery port and a kettle washing agent outlet, the kettle washing agent recovery port is connected with the outlet of the reaction kettle, and the kettle washing agent outlet is connected with the first kettle washing agent inlet. The coating production system is simple in structure, continuous production of the coating is achieved, process waiting time is eliminated, operation cost is reduced, production efficiency of the coating is improved, the utilization rate of the kettle washing agent is improved, and energy consumption and EHS risk of kettle cleaning operation are reduced.

Description

Paint production system

Technical Field

The utility model relates to a coating production technical field specifically relates to a coating production system.

Background

The main production processes of the coating comprise batching, dehydration, reaction and packaging, and two production modes commonly adopted in the prior art are provided, wherein the first production mode is single-kettle production, namely all the processes are finished in 1 production kettle, after the production is finished and the packaging is finished, a kettle washing agent is manually pumped and discharged to wash the kettle, and then the next batch of coating production is carried out, and the intermittent production mode ensures that the waiting time among all the working procedures is long, so that the production efficiency is low; the temperature requirements of different procedures in the production process are different, and the production kettle needs to be heated and cooled frequently, so that the energy loss is large; in addition, the production method has long process waiting time, and the kettle cleaning agent is pumped and discharged manually, so that the kettle cleaning agent entering the production kettle is difficult to be sufficient, the production kettle is easy to crust, the risk of EHS (environmental, health and Safety) in kettle cleaning operation is high, and the kettle cleaning agent is not recycled, so that the kettle cleaning agent is wasted; the second production mode is that the mixing kettles, the dehydration kettles and the reaction kettles which are placed in parallel are adopted for production, a material transferring pump is needed to transfer materials in each kettle during production, the materials are directly packaged after the reaction is finished, manual kettle washing agent is pumped and discharged to wash the kettles after the packaging is finished, the next batch is produced, the material transferring pump is adopted to transfer the materials among the kettles, so that the material transferring pump runs frequently, the running cost is increased, and the material accumulation in the middle of the material transferring pump is serious, so that the material blockage or the quality change is easily caused; in addition, adopt the manual mode of drawing and putting the cauldron washing agent to wash reation kettle during the cauldron washing, but the difficult capacity of the cauldron washing agent of manual drawing and putting leads to easily the crust in the reation kettle, and then has increased clear cauldron operation EHS risk, does not carry out recycle to the cauldron washing agent and has still lead to the waste of cauldron washing agent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coating production system, this coating production system has realized the continuous production of coating, has eliminated the time of technology wait, has reduced the running cost, has promoted the production efficiency of coating, has promoted the utilization ratio of kettle-washing agent, has reduced the energy consumption and has cleared cauldron operation EHS risk.

In order to achieve the above object, the present invention provides a paint production system, including:

the material mixing and dehydrating kettle is connected with the coating raw material tank and is used for carrying out material mixing operation and dehydration reaction;

the reaction kettle is arranged at the downstream of the batching dehydration kettle and is provided with a feed inlet and a first kettle washing agent inlet, and the feed inlet is connected with an outlet of the batching dehydration kettle and is used for producing a coating finished product;

the finished product kettle is arranged at the downstream end of the reaction kettle, is connected with the outlet of the reaction kettle and is used for storing a coating finished product;

the kettle washing agent recovery tank is provided with a kettle washing agent recovery port and a kettle washing agent outlet, the kettle washing agent recovery port is connected with the outlet of the reaction kettle, and the kettle washing agent outlet is connected with the first kettle washing agent inlet.

The utility model discloses an in the embodiment, coating production system is still including the first pipeline that is used for connecting the export of cauldron cleaning agent recovery mouth and reation kettle, is equipped with cauldron cleaning agent recovery pump on the first pipeline.

The utility model discloses an in the embodiment, still be equipped with the filter on the first pipeline, the filter is located the upstream end of cauldron washing agent recovery pump.

The utility model discloses an in the embodiment, coating production system still includes the second pipeline that is used for connecting still agent export of washing the cauldron and the first entry of washing the cauldron agent, still is equipped with the outer sucking pump of washing the cauldron agent on the second pipeline.

The utility model discloses an in the embodiment, coating production system still including set up at the downstream end of finished product cauldron and with the exit linkage's of finished product cauldron packagine machine for pack the coating finished product.

The utility model discloses an in the embodiment, coating production system still includes the third pipeline of connecting reation kettle and finished product cauldron, is equipped with the finished product extraction pump on the third pipeline.

The utility model discloses an in the embodiment, still be equipped with kettle cleaning agent second entry on the reation kettle, the coating production system still includes the kettle cleaning agent head tank with kettle cleaning agent second entry linkage.

In the embodiment of the utility model, the highest position of the reaction kettle is lower than the lowest position of the batching and dewatering kettle.

The utility model discloses an in the embodiment, the lower extreme of kettle-washing agent recovery tank has the toper portion, and the bottom of toper portion is equipped with the filter residue discharge port.

In an embodiment of the present invention, a lens is disposed on the tapered portion.

Through the technical scheme, the coating production system comprises the kettle washing agent recovery tank and the batching dehydration kettle, the reaction kettle and the finished product kettle which are sequentially arranged, materials can flow into the next kettle without a material transfer pump after completing corresponding processes in one kettle, continuous production of the coating is realized, the process waiting time is eliminated, the operation cost is reduced, and the production efficiency of the coating is improved; the kettle washing agent recovery tank is provided with a kettle washing agent recovery port and a kettle washing agent outlet, the kettle washing agent recovery port is connected with an outlet of the reaction kettle, the kettle washing agent outlet is connected with a first kettle washing agent inlet, the kettle washing agent is recycled by the aid of the design, the kettle washing agent amount entering the reaction kettle can be guaranteed, the utilization rate of the kettle washing agent is increased, energy consumption is reduced, the phenomenon of skin formation in the reaction kettle is avoided, and the EHS risk of kettle cleaning operation is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments, but do not limit the embodiments. In the drawings:

fig. 1 is a schematic structural diagram of a paint production system in an embodiment of the present invention.

Description of the reference numerals

1-batching dehydration kettle; 2-a paint stock tank; 3-a reaction kettle; 4-finished product kettle; 5-a kettle washing agent recovery tank; 501-a conical part; 502-residue discharge port; 503-a slag discharge channel; 504-slag discharge control valve; 6-a first conduit; 601-a fourth valve; 7-a kettle washing agent recovery pump; 8-a second conduit; 9-kettle washing agent external suction pump; 10-packaging machine; 11-a third conduit; 1101-a fifth valve; 12-finished product extraction pump; 13-a raw material feed conduit; 1301-a first valve; 14-a fourth conduit; 1401-a second valve; 15-a fifth conduit; 1501-third valve.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.

An embodiment of the utility model provides a novel coating production system, the coating of the production of the coating production system in this embodiment is polyurethane coating. As shown in fig. 1, specifically, the paint production system includes a batching dehydration kettle 1, a reaction kettle 3, a kettle washing agent recovery tank 5 and a finished product kettle 4, wherein the batching dehydration kettle 1 is connected with a paint raw material tank 2 for batching operation and dehydration reaction (in this embodiment, the batching operation and the dehydration reaction take about 5 hours), that is, raw materials for producing polyurethane paint are contained in the paint raw material tank 2, the paint production system further includes a raw material feeding pipeline 13 connecting the batching dehydration kettle 1 and the paint raw material tank 2, the raw material feeding pipeline 13 is provided with a first valve 1301, after the first valve 1301 is opened, raw materials in the paint raw material tank 2 enter the batching dehydration kettle 1 for batching, and the dehydration reaction is performed after the batching operation is completed; the reaction kettle 3 is arranged at the downstream end of the batching dehydration kettle 1 and is provided with a feed inlet and a first kettle washing agent inlet, and the feed inlet is connected with an outlet of the batching dehydration kettle 1 and is used for producing a coating finished product; the coating production system further comprises a fourth pipeline 14, one end of the fourth pipeline 14 is connected with an outlet of the batching dehydration kettle 1, the other end of the fourth pipeline 14 is connected with a feeding hole, a second valve 1401 is arranged on the fourth pipeline 14, and after the second valve 1401 is opened, the materials in the batching dehydration kettle 1 enter the reaction kettle 3 for reaction (in the embodiment, the time required for the materials in the batching dehydration kettle 1 to enter the reaction kettle 3 is about 15 minutes), the reaction performed in the reaction kettle 3 in the embodiment is a dropwise addition reaction (in the embodiment, the time required for the dropwise addition reaction is about 5 hours), and a polyurethane coating finished product can be produced after the dropwise addition reaction is completed; further, the time required for the reaction in the reaction kettle 3 is balanced with the time required for the batching operation and the dehydration reaction in the batching and dehydrating kettle 1, so that the second valve 1401 can be closed after the materials in the batching and dehydrating kettle 1 completely flow into the reaction kettle 3, and the first valve 1301 can be opened to convey the raw materials for producing the polyurethane coating into the batching and dehydrating kettle 1, thereby reducing the idle time of the batching and dehydrating kettle 1 and preparing for the next continuous production; a third valve 1501 is arranged at the downstream end of the outlet of the reaction kettle 3, and after the third valve 1501 is closed, the material in the reaction kettle 3 cannot flow to the downstream end;

the finished product kettle 4 is arranged at the downstream end of the reaction kettle 3 and connected with an outlet of the reaction kettle 3, and is used for storing a finished product of the coating, in order to avoid occupying the reaction kettle 3 for a long time, the finished product of the polyurethane coating after production flows into the finished product kettle 4 through the outlet of the reaction kettle 3 to be stored (in the embodiment, the time required for the finished product of the polyurethane coating in the reaction kettle 3 to enter the finished product kettle 4 is about 15 minutes); the kettle washing agent recovery tank 5 is provided with a kettle washing agent recovery port and a kettle washing agent outlet, the kettle washing agent recovery port is connected with an outlet of the reaction kettle 3, the kettle washing agent outlet is connected with a first kettle washing agent inlet, a kettle washing agent is contained in the kettle washing agent recovery tank 5, the kettle washing agent in the embodiment is trimethylbenzene, after a polyurethane coating finished product in the reaction kettle 3 completely flows into the finished product kettle 4, the kettle washing agent needs to be injected into the reaction kettle 3 to clean the reaction kettle, in order to improve the utilization rate of the kettle washing agent and reduce energy waste, the coating production system is provided with the kettle washing agent recovery tank 5 to recover the kettle washing agent flowing out of the reaction kettle 3, the kettle washing agent in the kettle washing agent recovery tank 5 can be injected into the reaction kettle 3 again to clean the interior of the reaction kettle 3 during next cleaning, the inflow and outflow of the kettle washing agent are carried out in a closed environment, so as to avoid the outward escape of the kettle washing agent, and be beneficial to reducing the EHS risk of the coating production environment; in addition, trimethylbenzene is also consumed in the dropwise addition reaction in the reaction kettle 3 in this embodiment, and the trimethylbenzene consumed in the process can also be extracted from the kettle washing agent recovery tank 5, so that the utilization rate of the trimethylbenzene is further improved. This coating production system simple structure, batching dehydration cauldron 1, reation kettle 3 and finished product cauldron 4 can be independent action separately, mutually noninterfere, have realized the off-the-shelf continuous production of coating for prior art, have improved the off-the-shelf production efficiency of coating, have reduced the equipment input and the running cost of coating production system, still avoid frequently raising the temperature in each cauldron and cooling down and cause easily skinning in the cauldron, and then reduced the degree of difficulty in the clean cauldron (being reation kettle 3).

The utility model discloses an in an embodiment, be formed with the cavity that is used for the heat supply source circulation in batching dehydration cauldron 1's the outer wall, batching dehydration cauldron 1's inside is equipped with temperature sensor, after the batching operation is accomplished, lets in the heat source in to the cavity to rising batching dehydration cauldron 1 inside temperature, after temperature sensor detected batching dehydration cauldron 1 inside temperature and reached preset temperature, the material among the batching dehydration cauldron 1 carries out dehydration again.

In an embodiment of the present invention, the coating production system further includes a first pipeline 6 for connecting the kettle-washing agent recycling port and the outlet of the reaction kettle 3, and a kettle-washing agent recycling pump 7 is disposed on the first pipeline 6. Specifically, the coating production system further comprises a fifth pipeline 15, the first end of the fifth pipeline 15 is connected with an outlet of the reaction kettle 3, the second end of the fifth pipeline 15 is connected with the first pipeline 6, a third valve 1501 is arranged on the fifth pipeline 15, a kettle washing agent flowing out of the reaction kettle 3 flows into the kettle washing agent recovery tank 5 after passing through the fifth pipeline 15 and the first pipeline 6, and the kettle washing agent recovery pump 7 can rapidly pump the kettle washing agent in the reaction kettle 3 into the kettle washing agent recovery tank 5, so that the recovery rate of the kettle washing agent is increased. Further, a fourth valve 601 is further disposed on the first pipeline 6, and after the fourth valve 601 is closed, the material (here, the finished paint product) flowing out of the reaction kettle 3 cannot flow into the kettle washing agent recovery tank 5.

The utility model discloses an in one embodiment, still be equipped with the filter on the first pipeline 6, the filter is located the upstream end of cauldron washing agent recovery pump 7, and this filter setting is on first pipeline 6 for filter the cauldron washing agent of retrieving, separate the impurity that contains in the cauldron washing agent, avoid pipeline first pipeline 6 or cauldron washing agent recovery pump 7 to block up.

The utility model discloses an in an embodiment, coating production system is still including the second pipeline 8 that is used for connecting the first entry of cauldron detergent export and cauldron detergent, still be equipped with cauldron detergent outer suction pump 9 on the second pipeline 8, cauldron detergent recovery tank 5 sets up the one side at reation kettle 3, cauldron detergent export sets up in the position department of cauldron detergent recovery tank 5 lower extreme, the first entry setting of cauldron detergent is in reation kettle 3's upper end, if do not set up cauldron detergent outer suction pump 9, then cauldron detergent in the cauldron detergent recovery tank 5 is difficult to automatic flow direction reation kettle 3, consequently, this cauldron detergent outer suction pump 9 has promoted the speed in the cauldron detergent flow direction reation pump in cauldron detergent recovery tank 5.

The utility model discloses an in one embodiment, coating production system still includes the packagine machine 10 that sets up at finished product cauldron 4's downstream end and with finished product cauldron 4's exit linkage for pack the coating finished product, avoid the coating finished product to pile up in finished product cauldron 4 for a long time and lead to rotting, also can vacate storage space for the coating finished product of follow-up production.

In an embodiment of the present invention, the coating production system further includes a third pipeline 11 connecting the reaction kettle 3 and the finished product kettle 4, the third pipeline 11 is provided with a finished product extraction pump 12, specifically, the finished product kettle 4 is disposed on one side of the reaction kettle 3 away from the kettle washing agent recovery tank 5, one end of the third pipeline 11 is connected to the second end of a fifth pipeline 15, the other end of the third pipeline 11 is connected to the inlet of the finished product kettle 4, the third pipeline 11 is further provided with a fifth valve 1101, the fifth valve 1101 is located at the upstream end of the finished product extraction pump 12, after the fifth valve 1101 is closed, the material (the kettle washing agent here) flowing out of the reaction kettle 3 cannot flow into the finished product kettle 4; fifth valve 1101 is opened, fourth valve 601 is closed, and the material (coating finished product) flowing out of reaction vessel 3 flows to finished product vessel 4 for storage.

The utility model discloses an in the embodiment, still be equipped with cauldron washing agent second entry on reation kettle 3, the coating production system still includes the cauldron washing agent head tank with cauldron washing agent second entry linkage, holds cauldron washing agent raw materials (trimethylbenzene promptly) in this cauldron washing agent head tank, still includes the sixth pipeline in the coating generation system, is equipped with cauldron washing agent suction pump on the sixth pipeline for in sucking cauldron washing agent in the cauldron washing agent head tank to reation kettle 3. In this embodiment, trimethylbenzene is also one of the raw materials for producing the finished coating product, and when the amount of trimethylbenzene in the kettle-washing agent recovery tank 5 is not enough for producing the finished coating product, or the amount of trimethylbenzene in the kettle-washing agent recovery tank 5 is not enough for completing the cleaning of the reaction kettle 3, the trimethylbenzene in the kettle-washing agent raw material tank can be pumped into the reaction kettle 3 by using a kettle-washing agent suction pump for reaction or cleaning.

The utility model discloses an embodiment, batching dehydration cauldron 1 sets up in reation kettle 3's top, and furtherly, reation kettle 3's highest position department is less than batching dehydration cauldron 1's lowest position department, can make the material in batching dehydration cauldron 1 after second valve 1401 opens through this kind of setting flow to reation kettle 3 fast, automatically under the action of gravity, reduce the use of pump, reduced the cost of coating production system.

In an embodiment of the present invention, the lower end of the still washing agent recovery tank 5 has a tapered portion 501, the bottom end of the tapered portion 501 is provided with a residue discharge port 502, and the residue discharge port 502 is provided with a residue discharge passage 503 for discharging the residue precipitated in the still washing agent recovery tank 5 from the still washing agent recovery tank 5; further, a slag discharge control valve 504 for opening or closing the slag discharge passage 503 is provided on the slag discharge passage 503.

The utility model discloses an in the embodiment, be equipped with lens on the toper part 501 for observe the inside filter residue deposit situation of kettle-washing agent recovery tank 5, so that in time clear up the filter residue of sediment.

The utility model discloses an in an embodiment, coating production system still includes environmental protection equipment and a plurality of environmental protection pipeline, environmental protection equipment is connected to the one end of a plurality of environmental protection pipelines, batching dehydration cauldron 1 is connected respectively to the other end of a plurality of environmental protection pipelines, reation kettle 3, finished product cauldron 4, wash cauldron agent recovery tank 5 and wash cauldron agent head tank to the material evacuation in batching dehydration cauldron 1, reation kettle 3, finished product cauldron 4, wash cauldron agent recovery tank 5 and the wash cauldron agent head tank, collect and unify the processing again.

The utility model discloses an in an embodiment, coating production system still can include a plurality of batching dehydration cauldron 1 and a plurality of reation kettle 3 of being connected rather than the one-to-one, and a plurality of reation kettle 3 all are connected with a finished product cauldron 4 to further promote the off-the-shelf production efficiency of coating.

The utility model provides a paint production system, which comprises a kettle washing agent recovery tank, and a batching dehydration kettle, a reaction kettle and a finished product kettle which are arranged in sequence, wherein materials can flow to the next kettle without a material transferring pump after completing corresponding procedures in one kettle, thereby realizing continuous production of paint, eliminating the process waiting time, reducing the operation cost and improving the production efficiency of paint; the kettle washing agent recovery tank is provided with a kettle washing agent recovery port and a kettle washing agent outlet, the kettle washing agent recovery port is connected with an outlet of the reaction kettle, the kettle washing agent outlet is connected with a first kettle washing agent inlet, the kettle washing agent is recycled by the aid of the design, the kettle washing agent amount entering the reaction kettle can be guaranteed, the utilization rate of the kettle washing agent is increased, energy consumption is reduced, the phenomenon of skin formation in the reaction kettle is avoided, and the EHS risk of kettle cleaning operation is reduced.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A paint production system, comprising:

the coating material mixing and dehydrating device comprises a burdening dehydrating kettle (1), wherein the burdening dehydrating kettle (1) is connected with a coating material tank (2) and is used for burdening operation and dehydrating reaction;

the reaction kettle (3) is arranged at the downstream of the burdening dehydration kettle (1) and is provided with a feed inlet and a first inlet of a kettle washing agent, and the feed inlet is connected with the outlet of the burdening dehydration kettle (1) and is used for producing a finished coating product;

the finished product kettle (4) is arranged at the downstream end of the reaction kettle (3), is connected with the outlet of the reaction kettle (3) and is used for storing the coating finished product;

wash cauldron agent recovery tank (5), it retrieves mouth and wash cauldron agent export to be equipped with on wash cauldron agent recovery tank (5), wash cauldron agent recovery mouth with the exit linkage of reation kettle (3), wash cauldron agent export with the first entry linkage of wash cauldron agent.

2. The paint production system according to claim 1, further comprising a first pipeline (6) for connecting the still washing agent recovery port and the outlet of the reaction kettle (3), wherein a still washing agent recovery pump (7) is arranged on the first pipeline (6).

3. A paint production system according to claim 2, in which the first conduit (6) is also provided with a filter at the upstream end of the still solvent recovery pump (7).

4. The paint production system of claim 2, further comprising a second pipeline (8) for connecting the still washing agent outlet and the still washing agent first inlet, wherein a still washing agent external suction pump (9) is further arranged on the second pipeline (8).

5. A paint production system according to claim 4, further comprising a packaging machine (10) arranged at a downstream end of the finished kettle (4) and connected to an outlet of the finished kettle (4) for packaging the finished paint.

6. Paint production system according to claim 5, characterized in that it further comprises a third pipe (11) connecting the reaction vessel (3) and the finished product vessel (4), the third pipe (11) being provided with a finished product extraction pump (12).

7. The paint production system according to any one of claims 1 to 6, wherein a second still washing agent inlet is further formed in the reaction kettle (3), and the paint production system further comprises a still washing agent raw material tank connected with the second still washing agent inlet.

8. Paint production system according to any one of claims 1-6, characterized in that the highest position of the reaction vessel (3) is lower than the lowest position of the batch dewatering vessel (1).

9. The paint production system as claimed in any one of claims 1 to 6, wherein the lower end of the kettle wash recovery tank (5) has a tapered portion (501), and the bottom end of the tapered portion (501) is provided with a residue discharge port (502).

10. A paint production system according to claim 9, in which the tapering portion (501) is provided with a lens.