CN216704265U

CN216704265U - Automatic production line for polyurethane coating

Info

Publication number: CN216704265U
Application number: CN202220234607.6U
Authority: CN
Inventors: 叶东风; 王辉
Original assignee: Jiangyin Yunjie Machinery Co ltd
Current assignee: Jiangyin Yunjie Machinery Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-06-10
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses an automatic production line of polyurethane coating, which comprises a first weighing scale, a second weighing scale, a batching kettle, a dehydration kettle, a synthesis kettle and a filter, wherein the batching kettle, the dehydration kettle and the synthesis kettle are respectively provided with a feed inlet and a discharge outlet, the first weighing scale is connected with the feed inlet of the batching kettle through a pipeline, the discharge outlet of the batching kettle is connected with the feed inlet of the dehydration kettle through a pipeline, the discharge outlet of the dehydration kettle is connected with the feed inlet of the synthesis kettle through a pipeline, the discharge outlet of the synthesis kettle is connected with the filter through a pipeline, the feed inlet of the synthesis kettle is connected with the second weighing scale through a pipeline, the batching kettle and the dehydration kettle are respectively provided with a heat medium inlet and a heat medium outlet, the synthesis kettle is provided with a cold and hot medium inlet and a cold and hot medium outlet, materials are conveyed in the pipeline without manual transportation, the contact between the materials and the air is avoided, so that the quality of finished products is not influenced, the quality of the surrounding air environment is not affected, and the components can be accurately proportioned.

Description

Automatic production line for polyurethane coating

Technical Field

The utility model relates to polyurethane coating production equipment, in particular to an automatic production line for polyurethane coatings.

Background

The polyurethane waterproof paint is one kind of single component waterproof polyurethane paint prepared with isocyanate group-containing prepolymer prepared through addition polymerization of isocyanate, polyether, etc. and through mixing with catalyst, anhydrous assistant, anhydrous stuffing, solvent, etc.

The production process of the existing polyurethane waterproof coating is complex and is not automatic, so that workers are required to transport the materials, and the materials are easy to lose in the process of transport, so that the waste of the materials can be caused, and meanwhile, the materials are also easy to contact with air to cause the drying phenomenon on the surfaces of the materials, so that the quality of finished products is affected, and the qualified rate of the coating production is reduced.

Therefore, there is a need for improvement of the automatic production line of polyurethane coating in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides an automatic production line for polyurethane coating, which achieves the aim of automatic production, reduces environmental pollution and labor cost, avoids influencing the quality of finished products and has high reliability.

In order to realize the technical effects, the technical scheme of the utility model is as follows: the utility model provides a polyurethane coating automation line, includes first weigher, second weigher, batching cauldron, dehydration cauldron, synthetic cauldron and filter, all be provided with feed inlet and discharge gate on batching cauldron, dehydration cauldron and the synthetic cauldron, through the pipe connection between the feed inlet of first weigher and batching cauldron, through the pipe connection between the discharge gate of batching cauldron and the feed inlet of dehydration cauldron, through the pipe connection between the discharge gate of dehydration cauldron and the feed inlet of synthetic cauldron, the discharge gate of synthetic cauldron passes through the pipeline and is connected with the filter, through the pipe connection between the feed inlet of synthetic cauldron and the second weigher, all be provided with heat medium import and heat medium export on the batching cauldron and on the dehydration cauldron, be provided with cold and hot medium import and cold and hot medium export on the synthetic cauldron.

Preferably, a grinding device is further arranged between the batching kettle and the dewatering kettle.

Preferably, the grinding device comprises a feeding pump connected with a discharge port of the batching kettle and a colloid mill connected with the feeding pump, and the colloid mill is connected with a feed port of the dewatering kettle through a pipeline.

Preferably, the colloid mill is provided with a heat insulation structure.

Preferably, the heat preservation structure comprises a jacket connected with the colloid mill, the jacket is sleeved on the colloid mill, and the jacket is made of a heat preservation material.

Preferably, the material for making the jacket is phenolic foam.

Preferably, the heat medium inlet of the batching kettle and the heat medium inlet of the dehydration kettle are communicated with the cold and hot medium inlet of the synthesis kettle, and the heat medium outlet of the batching kettle and the heat medium outlet of the dehydration kettle are communicated with the cold and hot medium outlet of the synthesis kettle.

Preferably, the batching kettle, the dehydration kettle and the synthesis kettle are all connected with thermocouples.

In conclusion, compared with the prior art, in the whole production process, the polyurethane coating automatic production line provided by the utility model has the advantages that materials are conveyed in the pipeline without manual transportation, the work load is reduced, the use of manpower can be reduced, meanwhile, the materials are prevented from contacting with air, the phenomenon that the surfaces of the materials are solidified is avoided, the quality of finished coating products is not influenced, the production yield is improved, the phenomenon that the materials are lost is avoided, the problem of material waste is avoided, the quality of the surrounding air environment is not influenced, the environmental friendliness is higher, and the components can be accurately proportioned through the arranged first metering scale and the second metering scale, so that the quality of products is improved.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of embodiment 2 of the present invention;

FIG. 3 is a schematic structural view of embodiment 3 of the present invention;

FIG. 4 is a schematic structural view of embodiment 4 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 5 of the present invention.

In the figure: 1. the device comprises a first metering scale, 2 a batching kettle, 3 a dehydration kettle, 4 a synthesis kettle, 5 a second metering scale, 6 a filter, 7 a colloid mill, 8 a feeding pump, 9 a jacket and 10 a thermocouple.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in FIG. 1, the automatic production line of polyurethane coating of example 1 comprises a first weighing scale 1, a second weighing scale 5, a batching kettle 2, a dehydration kettle 3, a synthesis kettle 4 and a filter 6, the batching kettle 2, the dehydration kettle 3 and the synthesis kettle 4 are all provided with a feed inlet and a discharge outlet, the first metering scale 1 is connected with the feed inlet of the batching kettle 2 through a pipeline, the discharge port of the batching kettle 2 is connected with the feed port of the dehydration kettle 3 through a pipeline, the discharge port of the dehydration kettle 3 is connected with the feed port of the synthesis kettle 4 through a pipeline, the discharge hole of the synthesis kettle 4 is connected with the filter 6 through a pipeline, the feed hole of the synthesis kettle 4 is connected with the second scale 5 through a pipeline, the batching kettle 2 and the dehydration kettle 3 are both provided with a heat medium inlet and a heat medium outlet, and the synthesis kettle 4 is provided with a cold and hot medium inlet and a cold and hot medium outlet.

It should be noted that, synthetic cauldron 4 and dehydration cauldron 3 all are connected with the vacuum pump, all seted up the sample connection on dehydration cauldron 3 and the synthetic cauldron 4.

In the embodiment, the materials are weighed by a weighing scale and then enter the batching kettle 2 through a pipeline, so that the proportioning of each component is accurate, the influence on the quality of the finished coating product is avoided, the materials after the proportioning are conveyed into the dehydration kettle 3 through a pipeline, a heat medium is introduced into a heat medium inlet of the dehydration kettle 3, the materials in the dehydration kettle 3 are heated, the temperature of the materials in the dehydration kettle 3 can be raised to a preset temperature, so that the moisture in the materials is evaporated, when the temperature of the materials reaches the preset temperature, a vacuum pump can be started to vacuumize the dehydration kettle 3, the moisture evaporated in the dehydration kettle 3 can be discharged out of the dehydration kettle 3 along with the vacuumization, and a stirring device in the dehydration kettle 3 works while the vacuumization, so as to stir the materials, thereby continuously pumping away the moisture in the materials, the purpose of dehydration is realized, a little material is taken out through a sampling port on the dehydration kettle 3 for detection, if the reaction is complete and the working standard is reached, the material in the dehydration kettle 3 can be conveyed into the synthesis kettle 4 through a pipeline, other filling agents or auxiliary agents can be added into the synthesis kettle 4 through a second scale 5, the material is mixed and stirred through a stirring device in the synthesis kettle 4, the components in the material are fully mixed, the little material is taken out from the synthesis kettle 4 for sampling detection, if the detection is up to the standard, a cooling medium is introduced into a cold and hot medium inlet of the synthesis kettle 4 for cooling the synthesis kettle 4, the temperature of the material in the synthesis kettle 4 can be reduced to 80 ℃, the cooled material is conveyed into the filter 6 through the pipeline, the filtered material enters the filling machine through the pipeline and is barreled and sealed, thereby accomplish the work of automated production polyurethane coating, in the whole production process, the material is all carried in the pipeline, need not artificial transportation, work burden has been reduced, thereby can reduce the use of manpower, also avoid material and air to take place the contact simultaneously, avoid the phenomenon of solidification to appear on the material surface, thereby can not exert an influence to the off-the-shelf quality of coating, the qualification rate of production has been improved, and the phenomenon that the material is lost can not appear, thereby can not cause the extravagant problem of material, also can not cause the influence to peripheral air environment quality, the feature of environmental protection is higher, first weigher 1 and second weigher 5 through setting up, make each composition can the ratio accurate, improve the quality of product.

As shown in fig. 2, the automatic production line of polyurethane coating in embodiment 2 is based on embodiment 1, and the difference is that a grinding device is further disposed between the blending kettle 2 and the dehydration kettle 3, the grinding device includes a feeding pump 8 connected to a discharge port of the blending kettle 2 and a colloid mill 7 connected to the feeding pump 8, and the colloid mill 7 is connected to a feed port of the dehydration kettle 3 through a pipeline.

In this embodiment, the materials in the batching kettle 2 can enter the colloid mill 7 under the action of the feeding pump 8, and the colloid mill 7 works to effectively emulsify, disperse, homogenize and crush the materials in the colloid mill 7, so as to achieve the effects of ultrafine material crushing and emulsification, reduce the probability of caking and improve the product quality.

As shown in fig. 3, the automatic production line of polyurethane coating in example 3 is based on example 2, and is different in that a thermal insulation structure is arranged on the colloid mill 7, the thermal insulation structure includes a jacket 9 connected to the colloid mill 7, the jacket 9 is sleeved on the colloid mill 7, and the jacket 9 is made of a thermal insulation material.

In this embodiment, through the jacket 9 that sets up, can reduce the probability with the outside air contact to can reduce thermal scattering and disappearing, play the thermal-insulated purpose of heat preservation to the material in the colloid mill 7, the temperature of material changes when avoiding transporting the material, prevents to influence production work.

Preferably, the jacket 9 is made of phenolic foam.

It should be noted that the jacket 9 may also be made of polystyrene board, inorganic insulation board, or other insulation materials, and can achieve the purpose of insulation, and reduce the fluctuation range of the temperature of the material, so as not to affect the production work of the coating.

As shown in fig. 4, the automatic production line of polyurethane coating in example 4 is based on example 1, and is different from example 1 in that the heat medium inlet of the compounding kettle 2 and the heat medium inlet of the dehydration kettle 3 are both communicated with the cooling and heating medium inlet of the synthesis kettle 4, and the heat medium outlet of the compounding kettle 2 and the heat medium outlet of the dehydration kettle 3 are both communicated with the cooling and heating medium outlet of the synthesis kettle 4.

In this embodiment, batching cauldron 2's heat medium import, dehydration cauldron 3's heat medium import and synthetic cauldron 4's refrigerant import all use same import, batching cauldron 2's heat medium export, dehydration cauldron 3's heat medium export and synthetic cauldron 4's refrigerant export all use same export, only one exit when making cold and hot medium flow, thereby can reduce the quantity of installation pipeline, and therefore, the cost is reduced, the convenience of installation has also been improved simultaneously, staff's work burden has been reduced.

As shown in fig. 5, the automatic production line of polyurethane coating in example 5 is based on example 1, and is different from that in example 1, thermocouples 10 are connected to the batching kettle 2, the dewatering kettle 3 and the synthesizing kettle 4.

Through the thermocouple 10 that sets up, can carry out the work of temperature measurement to the material in batching cauldron 2, dehydration cauldron 3 and synthetic cauldron 4, can show the temperature of material, the staff of being convenient for observes the material behavior.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a polyurethane coating automation line which characterized in that: comprises a first metering scale (1), a second metering scale (5), a batching kettle (2), a dewatering kettle (3), a synthesizing kettle (4) and a filter (6), wherein the batching kettle (2), the dewatering kettle (3) and the synthesizing kettle (4) are respectively provided with a feed inlet and a discharge outlet, the feed inlets of the first metering scale (1) and the batching kettle (2) are connected through a pipeline, the discharge outlet of the batching kettle (2) is connected with the feed inlet of the dewatering kettle (3) through a pipeline, the discharge outlet of the dewatering kettle (3) is connected with the feed inlet of the synthesizing kettle (4) through a pipeline, the discharge outlet of the synthesizing kettle (4) is connected with the filter (6) through a pipeline, the feed inlet of the synthesizing kettle (4) is connected with the second metering scale (5) through a pipeline, the batching kettle (2) and the dewatering kettle (3) are respectively provided with a heat medium inlet and a heat medium outlet, and a cooling and heating medium inlet and a cooling and heating medium outlet are arranged on the synthesis kettle (4).

2. The automatic production line of polyurethane coating according to claim 1, wherein: a grinding device is also arranged between the batching kettle (2) and the dehydration kettle (3).

3. The automatic production line of polyurethane coating according to claim 2, wherein: the grinding device comprises a feeding pump (8) connected with a discharge port of the batching kettle (2) and a colloid mill (7) connected with the feeding pump (8), and the colloid mill (7) is connected with a feed port of the dewatering kettle (3) through a pipeline.

4. The automatic production line of polyurethane coating according to claim 3, characterized in that: and a heat insulation structure is arranged on the colloid mill (7).

5. The automatic production line of polyurethane coating according to claim 4, wherein: the heat preservation structure comprises a jacket (9) connected with the colloid mill (7), the jacket (9) is sleeved on the colloid mill (7), and the jacket (9) is made of a heat preservation material.

6. The automatic production line of polyurethane paint according to claim 5, characterized in that: the jacket (9) is made of phenolic foam plastic.

7. The automatic production line of polyurethane coating according to claim 1, wherein: the hot medium inlet of the batching kettle (2) and the hot medium inlet of the dehydration kettle (3) are communicated with the cold and hot medium inlet of the synthesis kettle (4), and the hot medium outlet of the batching kettle (2) and the hot medium outlet of the dehydration kettle (3) are communicated with the cold and hot medium outlet of the synthesis kettle (4).

8. The automatic production line of polyurethane coating according to claim 1, wherein: the batching kettle (2), the dehydration kettle (3) and the synthesis kettle (4) are all connected with thermocouples (10).