CN219324142U

CN219324142U - Static mixing device for producing neutral silicone structural adhesive

Info

Publication number: CN219324142U
Application number: CN202320576632.7U
Authority: CN
Inventors: 吴桂菊
Original assignee: Weifang Jinguiyuan Sealing Material Co ltd
Current assignee: Weifang Jinguiyuan Sealing Material Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-11
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a static mixing device for producing neutral silicone structural adhesive, which belongs to the technical field of static mixers and comprises a tubular shell, wherein a plurality of spiral plates are arranged in the tubular shell, a heat exchanger is sleeved outside the tubular shell, two ends of the tubular shell are respectively connected with a first three-way valve and a second three-way valve, the first three-way valve is connected with a feeding pipe and a cleaning pipe, and the second three-way valve is connected with a discharging pipe and a sewage draining pipe. The beneficial technical effects are as follows: the temperature of the tubular shell is improved through the heat exchanger, the material is prevented from condensing at the contact position with the tubular shell, the flow speed of the material can be improved, the material can be conveniently mixed, the inside of the tubular shell can be cleaned through controlling the first three-way valve and the second three-way valve, the quality that the neutral silicone structural adhesive is influenced by the solidified material accumulated in the tubular shell is avoided, and the device is simple to operate, improves the product quality and improves the working efficiency.

Description

Static mixing device for producing neutral silicone structural adhesive

Technical Field

The utility model belongs to the technical field of static mixers, and particularly relates to a static mixing device for producing neutral silicone structural adhesive.

Background

In the existing production process of neutral silicone structural adhesive, the production mixed material enters a base stock storage tank after being cooled by a condenser, the temperature is reduced to below 50 ℃, the base stock, a curing agent and color paste in the storage tank enter a static mixer according to a certain proportion and are uniformly mixed and then are formed, the fluidity of the production mixed material is reduced after being cooled by the condenser, the viscosity is increased, when the production mixed material enters the static mixer, if the wall temperature of the static mixer is lower, the production mixed material can be adhered to the wall, the quality of a finished product can be influenced by the solidified mixed material, and because the static mixer bears a large pressure, the static mixer is generally a closed pipe body, and the inside adhesive is difficult to clean.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present utility model is to provide a static mixer for producing neutral silicone structural adhesive, which is characterized in that a heat exchanger is added to make the static mixer not easy to adhere materials, and the static mixer is cleaned after a period of use, so as to improve the quality of the produced neutral silicone structural adhesive.

In order to achieve the above purpose, the utility model provides a static mixing device for producing neutral silicone structural adhesive, which comprises a tubular shell, wherein a plurality of spiral plates are arranged in the tubular shell, a heat exchanger is sleeved outside the tubular shell, two ends of the tubular shell are respectively connected with a first three-way valve and a second three-way valve, the first three-way valve is connected with a feeding pipe and a cleaning pipe, and the second three-way valve is connected with a discharging pipe and a sewage draining pipe. The heat exchanger can heat the static mixer, so that the material is prevented from being condensed due to low wall temperature of the tubular shell, certain material can be accumulated in the static mixer after the static mixer is used for a period of time, and the interior of the tubular shell can be cleaned by controlling the first three-way valve and the second three-way valve.

Further, the cleaning pipe is connected with a third three-way valve, and the third three-way valve is connected with a pressurizing and heating water supply device and a drying device. The pressurized heating water supply device can provide pressurized hot water to clean the inside of the tubular shell, and the drying device dries water vapor in the inside of the tubular shell after the inside of the tubular shell is cleaned, so that the quality of the produced neutral silicone structural adhesive is improved.

Further, the first three-way valve, the second three-way valve and the third three-way valve are electric control three-way valves, and the first three-way valve, the second three-way valve, the third three-way valve, the pressurized heating water supply device and the drying device are connected with the controller. The cleaning process can be automatically controlled by the controller, so that the operation is more convenient, and the working efficiency is improved.

Further, the spiral plate is formed by rotating two opposite end faces of the square plate in opposite directions, and comprises two straight end faces and two curved end faces, and guide protrusions for guiding materials to converge and separate are arranged between the two straight end faces. The spiral plate can guide the materials to rotate in the tubular shell, and the guide protrusions can guide the partial materials to be converged and separated, so that the materials are mixed more uniformly.

Further, two curved end faces of the spiral plate are fixedly connected inside the tubular shell, a plurality of spiral plates are coaxially arranged in sequence along the central axis of the tubular shell, and straight end faces of the connecting positions of two adjacent spiral plates are obliquely arranged. The guide bulge has stronger mixing effect on the materials close to the surface of the spiral plate, the adjacent two dry spiral plates form a certain angle, the dividing surfaces of the materials are different, the materials contacted by the spiral plates are different, and the materials can be better mixed.

Further, the included angle of the two straight end faces of the spiral plate projected on the same plane along the axial direction is 90 degrees. The spiral plate is round when seen from the direction of the straight end surface, and can be better connected with the tubular shell.

The utility model aims to provide a static mixing device for producing neutral silicone structural adhesive, which comprises a tubular shell, wherein a plurality of spiral plates are arranged in the tubular shell, a heat exchanger is sleeved outside the tubular shell, two ends of the tubular shell are respectively connected with a first three-way valve and a second three-way valve, the first three-way valve is connected with a feeding pipe and a cleaning pipe, and the second three-way valve is connected with a discharging pipe and a sewage draining pipe. The beneficial technical effects of the utility model are as follows: the temperature of the tubular shell is improved through the heat exchanger, the material is prevented from condensing at the contact position with the tubular shell, the flow speed of the material can be improved, the material can be conveniently mixed, the inside of the tubular shell can be cleaned through controlling the first three-way valve and the second three-way valve, the quality that the neutral silicone structural adhesive is influenced by the solidified material accumulated in the tubular shell is avoided, and the device is simple to operate, improves the product quality and improves the working efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the spiral plate inside the tubular housing;

FIG. 3 is a right side view schematic of a spiral plate;

fig. 4 is a schematic elevational view of the spiral plate.

In the figure: 1-a tubular shell, 2-a spiral plate, 21-a straight end face, 22-a curved end face and 23-a flow guiding protrusion; the device comprises a 3-heat exchanger, a 4-first three-way valve, a 5-second three-way valve, a 6-feeding pipe, a 7-cleaning pipe, an 8-discharging pipe, a 9-blow-down pipe, a 10-third three-way valve, an 11-pressurized heating water supply device and a 12-drying device.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, the utility model provides a static mixing device for producing neutral silicone structural adhesive, which comprises a tubular shell 1, wherein a plurality of spiral plates 2 are arranged in the tubular shell 1, a heat exchanger 3 is sleeved outside the tubular shell 1, two ends of the tubular shell 1 are respectively connected with a first three-way valve 4 and a second three-way valve 5, the first three-way valve 4 is connected with a feed pipe 6 and a cleaning pipe 7, and the second three-way valve 5 is connected with a discharge pipe 8 and a drain pipe 9. The heat exchanger 3 can heat the static mixer to avoid condensing materials due to lower wall temperature of the tubular shell 1, and after the static mixer is used for a period of time, certain materials can be accumulated in the static mixer, and the interior of the tubular shell 1 can be cleaned by controlling the first three-way valve 4 and the second three-way valve 5.

Referring to fig. 1, the cleaning pipe 7 is connected to a third three-way valve 10, and the third three-way valve 10 is connected to a pressurized heating water supply device 11 and a drying device 12. The pressurized heating water supply device 11 can provide pressurized hot water to clean the inside of the tubular shell 1, and the drying device 12 dries the water vapor in the inside of the tubular shell 1 after cleaning, so that the quality of the produced neutral silicone structural adhesive is improved.

The first three-way valve 4, the second three-way valve 5 and the third three-way valve 10 are electric control three-way valves, and the first three-way valve 4, the second three-way valve 5, the third three-way valve 10, the pressurized heating water supply device 11 and the drying device 12 are connected with a controller. The cleaning process can be automatically controlled by the controller, so that the operation is more convenient, and the working efficiency is improved.

Referring to fig. 2 to 4, the spiral plate 2 is formed by rotating opposite end surfaces of a square plate in opposite directions, the spiral plate 2 comprises two straight end surfaces 21 and two curved end surfaces 22, and a guide protrusion 23 for guiding materials to be converged and separated is arranged between the two straight end surfaces 21. The spiral plate 2 can guide the materials to rotate in the tubular shell 1, and the guide protrusions 23 can guide the partial materials to be converged and separated, so that the materials are mixed more uniformly.

Referring to fig. 2 to 4, two curved end surfaces 22 of the spiral plates 2 are fixedly connected inside the tubular housing 1, a plurality of spiral plates 2 are sequentially and coaxially arranged along the central axis of the tubular housing 1, and straight end surfaces 21 at the connection positions of two adjacent spiral plates 2 are obliquely arranged. The guide bulge 23 has stronger mixing effect on the materials close to the surface of the spiral plate 2, the adjacent two dry spiral plates 2 form a certain angle, the dividing surfaces of the materials are different, the materials contacted by the spiral plates 2 are different, and the materials can be better mixed.

Referring to fig. 3, the two straight end surfaces 21 of the spiral plate 2 are projected on the same plane in the axial direction at an angle of 90 °. The spiral plate 2 is circular when seen in the direction of the straight end surface 21, and can be better connected with the tubular housing 1.

In the working process of the embodiment, after the material is reduced to below 50 ℃ through the condenser, the material enters the base stock storage tank, the tubular shell 1 is heated by the heat exchanger 3 before the material enters the static mixing device, the material becomes sticky after the temperature is reduced, the flow speed of the material can be improved by heating the tubular shell 1, the working efficiency is improved, the phenomenon that the material is solidified due to the fact that the material contacts with the wall of the tubular shell 1 with lower temperature, the product quality is reduced can be avoided, the material enters the static mixing device through the feeding pipe 6 and the first three-way valve 4, the material flows through the spiral plate 2, and is twisted, cut, converged and separated under the action of the spiral plate 2 and the diversion protrusion 23, and finally, the evenly mixed material enters the production flow of the next step from the discharging pipe 8.

After a period of use, a certain amount of solidified materials can be accumulated in the tubular shell 1, if the solidified materials enter the materials, the quality of neutral silicone structural adhesive can be reduced, at the moment, the static mixing device is cleaned, high-pressure hot water in the pressurized heating water supply device 11 enters the tubular shell 1 through the third three-way valve 10, the cleaning pipe 7 and the first three-way valve 4, the tubular shell 1 is cleaned, then the cleaned pipe shell 1 is discharged through the second three-way valve 5 and the blow-off pipe 9, and after the cleaning is finished, hot air generated by the drying device 12 is dried through the third three-way valve 10, the cleaning pipe 7, the first three-way valve 4, the tubular shell 1, the second three-way valve 5 and the blow-off pipe 9, so that the production is convenient to resume.

In summary, the static mixing device for producing neutral silicone structural adhesive comprises a tubular shell 1, wherein a plurality of spiral plates 2 are arranged in the tubular shell 1, a heat exchanger 3 is sleeved outside the tubular shell 1, two ends of the tubular shell 1 are respectively connected with a first three-way valve 4 and a second three-way valve 5, the first three-way valve 4 is connected with a feed pipe 6 and a cleaning pipe 7, and the second three-way valve 5 is connected with a discharge pipe 8 and a drain pipe 9. In summary, the beneficial effects of the utility model are as follows: the temperature of the tubular shell 1 is improved through the heat exchanger 3, the condensation of materials at the contact position with the tubular shell 1 is avoided, the flow speed of the materials can be improved, the materials can be conveniently mixed, the inside of the tubular shell 1 can be cleaned through controlling the first three-way valve 4 and the second three-way valve 5, the phenomenon that the quality of neutral silicone structural adhesive is influenced by the solidified materials accumulated in the tubular shell 1 is avoided, the device is simple to operate, the product quality is improved, and the working efficiency is improved.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a static mixing arrangement for producing neutral silicone structural adhesive, includes tubular casing, and its characterized in that is provided with a plurality of spiral plates in the tubular casing, and the outside cover of tubular casing is equipped with the heat exchanger, and first three-way valve and second three-way valve are connected respectively at tubular casing's both ends, and inlet pipe and wash pipe are connected to first three-way valve, and discharging pipe and blow off pipe are connected to the second three-way valve.

2. A static mixer for producing neutral silicone structural adhesive according to claim 1, wherein the cleaning tube is connected to a third three-way valve, and the third three-way valve is connected to a pressurized heating water supply device and a drying device.

3. The static mixing device for producing neutral silicone structural adhesive according to claim 2, wherein the first three-way valve, the second three-way valve and the third three-way valve are electrically controlled three-way valves, and the first three-way valve, the second three-way valve, the third three-way valve, the pressurized heating water supply device and the drying device are connected with a controller.

4. The static mixing device for producing neutral silicone structural adhesive according to claim 1, wherein the spiral plate is formed by rotating opposite end faces of a square plate in opposite directions, the spiral plate comprises two straight end faces and two curved end faces, and a guide protrusion for guiding materials to be converged and separated is arranged between the two straight end faces.

5. The static mixer for producing neutral silicone structural adhesive according to claim 4, wherein two curved end surfaces of the spiral plates are fixedly connected inside the tubular shell, the spiral plates are coaxially arranged in sequence along the central axis of the tubular shell, and straight end surfaces at the joint of the adjacent spiral plates are obliquely arranged.

6. A static mixing device for producing neutral silicone structural adhesive according to claim 5, wherein the two straight end faces of the spiral plate are projected in the axial direction at an angle of 90 °.