Rapid curing equipment for polyurea material production

Abstract

The utility model relates to the technical field of polyurea production equipment, in particular to rapid curing equipment for polyurea material production, which comprises a furnace body, a sealing cover, a driving motor, a feeding hole, a vacuum pump, a stirring blocking rod, an outer circulating system, a stirring mechanism, a spiral heat exchange tube and a controller, the outer circulation system comprises a first liquid outlet pipe, a circulation pump, a cooler, a first liquid inlet pipe, a drainage three-way electromagnetic valve, a second liquid outlet pipe, a water inlet three-way electromagnetic valve and a second liquid inlet pipe, and the stirring mechanism comprises a stirring shaft, a first stirring blade and a stirring assembly. The polyurea is uniformly cooled, so that the effect of quickly cooling is achieved; and an external circulation system can recycle water, so that the production cost is saved, the energy consumption is reduced, the production efficiency is improved, and the cooling and curing time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurea production equipment, in particular to rapid curing equipment for the production of polyurea materials. Background Art

[0002] Polyurea is an elastomeric substance generated by the reaction of isocyanate components and amino compound components. The most basic properties of polyurea are corrosion resistance, waterproofness, and wear resistance. Due to its powerful functions, it is suitable for toilets, reservoirs, swimming pools, basketball courts, coastal defense projects, bridges, chemical plants and other places.

[0003] Polyurea materials need to go through a cooling and curing process during production. The existing curing usually adopts the method of immersion in water. In this method, the temperature of the cooling water will rise rapidly, and a refrigeration device needs to be operated at high power to meet the temperature requirements of water condensation. This consumes a lot of energy, takes a long cooling time, and has a high production cost. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model provides a rapid curing device for producing polyurea materials, which is used to solve the problems of high energy consumption and long cooling time.

[0005] In order to solve the above problems, the technical solution of the utility model is as follows: a rapid curing device for the production of polyurea materials, including a furnace body, a sealing cover is provided on the top of the furnace body, a driving motor, a feeding port, and a vacuum pump are provided on the sealing cover, the output end of the driving motor is connected to a stirring mechanism through the sealing cover, a spiral heat exchange tube is provided on the outside of the stirring mechanism, both ends of the spiral heat exchange tube are connected to an external circulation system, and also includes a controller for controlling the driving motor, the vacuum pump, and the external circulation system.

[0006] Furthermore, the external circulation system includes a first liquid outlet pipe, a circulation pump, a cooler, and a first liquid inlet pipe which are sequentially connected to the spiral heat exchange tube.

[0007] Furthermore, a three-way drainage solenoid valve is provided on the first liquid outlet pipe, and the three-way drainage solenoid valve is connected to the second liquid outlet pipe.

[0008] Furthermore, a water inlet three-way solenoid valve is provided on the output end of the water discharge three-way solenoid valve, and the water inlet three-way solenoid valve is connected to a second liquid inlet pipe.

[0009] Furthermore, a first temperature sensor is provided in the furnace body, and the first temperature sensor sends a signal to the controller.

[0010] Furthermore, a second temperature sensor is provided between the circulation pump and the drainage three-way solenoid valve, and the second temperature sensor sends a signal to the controller.

[0011] Furthermore, the stirring mechanism includes a stirring shaft connected to the driving motor, a plurality of first stirring blades located inside the spiral heat exchange tube are arranged on the stirring shaft, and a stirring assembly is arranged at the bottom of the stirring shaft.

[0012] Furthermore, the stirring assembly includes a second stirring blade, and an L-shaped stirring portion is provided at the bottom of the second stirring blade, the extension direction of which is consistent with that of the second stirring blade.

[0013] Furthermore, a discharge port is provided at the bottom of the furnace body.

[0014] Furthermore, a stirring blocking rod extending toward the bottom of the furnace body is provided on the sealing cover.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the spiral heat exchange tube is in full contact with the polyurea, and at the same time, the stirring shaft drives the first stirring blade, the second stirring blade, and the L-shaped stirring part to rotate, so that the polyurea is evenly cooled, achieving a rapid cooling effect; the second stirring blade and the L-shaped stirring part are arranged to fully stir and stir evenly; the external circulation system can circulate water, saving production costs, and at the same time, according to the water temperature in the first liquid outlet pipe, the hotter circulating water can be discharged from the second liquid outlet pipe, and then the lower temperature cooling water can be introduced from the second liquid inlet pipe, thereby reducing energy consumption, improving production efficiency, and shortening the cooling and curing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the stirring component of the utility model.

[0018] Description of the drawings: 1 furnace body, 2 sealing cover, 3 discharge port, 4 driving motor, 5 feed port, 6 vacuum pump, 7 stirring blocking rod, 8 spiral heat exchange tube, 9 first liquid outlet pipe, 10 circulation pump, 11 cooler, 12 first liquid inlet pipe, 13 drainage three-way solenoid valve, 14 second liquid outlet pipe, 15 water inlet three-way solenoid valve, 16 second liquid inlet pipe, 17 first temperature sensor, 18 second temperature sensor, 19 stirring shaft, 20 first stirring blade, 21 second stirring blade, 22 L-type stirring part. DETAILED DESCRIPTION

[0019] like Figure 1 As shown, a rapid curing equipment for the production of polyurea materials includes a furnace body 1, a sealing cover 2 is provided on the top of the furnace body 1, a discharge port 3 is provided on the bottom of the furnace body 1, a driving motor 4, a feeding port 5, and a vacuum pump 6 are provided on the sealing cover 2, and a stirring blocking rod 7 extending toward the bottom of the furnace body 1 is provided on the sealing cover 2, the output end of the driving motor 4 is connected to a stirring mechanism through the sealing cover 2, a spiral heat exchange tube 8 is provided on the outside of the stirring mechanism, and both ends of the spiral heat exchange tube 8 are connected to an external circulation system, and also includes a controller for controlling the driving motor 4, the vacuum pump 6, and the external circulation system.

[0020] The external circulation system includes a first liquid outlet pipe 9 , a circulation pump 10 , a cooler 11 , and a first liquid inlet pipe 12 which are sequentially connected to the spiral heat exchange tube 8 .

[0021] A three-way drainage solenoid valve 13 is provided on the first liquid outlet pipe 9 , and the three-way drainage solenoid valve 13 is connected to a second liquid outlet pipe 14 .

[0022] A water inlet three-way solenoid valve 15 is provided at the output end of the water discharge three-way solenoid valve 13 , and the water inlet three-way solenoid valve 15 is connected to a second liquid inlet pipe 16 .

[0023] A first temperature sensor 17 is provided in the furnace body 1 , and the first temperature sensor 17 sends a signal to the controller.

[0024] A second temperature sensor 18 is provided between the circulation pump 10 and the drainage three-way solenoid valve 13 , and the second temperature sensor 18 sends a signal to the controller.

[0025] The stirring mechanism includes a stirring shaft 19 connected to the driving motor 4 . A plurality of first stirring blades 20 located inside the spiral heat exchange tube 8 are provided on the stirring shaft 19 . A stirring assembly is provided at the bottom of the stirring shaft 19 .

[0026] like Figure 2 As shown, the stirring assembly includes a second stirring blade 21 , and an L-shaped stirring portion 22 extending in the same direction as the second stirring blade 21 is provided at the bottom of the second stirring blade 21 .

[0027] When in use, polyurea is introduced, the controller controls the vacuum pump 6 to operate, reduce bubbles in the polyurea, and improve the quality of the polyurea. The controller controls the driving motor 4, the cooler 11, and the circulating pump 10 to operate, and the cooling water circulates between the first liquid outlet pipe 9 and the first liquid inlet pipe 12. The polyurea exchanges heat with the spiral heat exchange tube 8. At the same time, the first stirring blade 20, the second stirring blade 21, and the L-shaped stirring part 22 stir the polyurea to transfer heat evenly and the overall cooling speed is faster. The second temperature sensor 18 detects the cooling water temperature after the heat exchange. When the temperature is high, the controller controls The three-way solenoid valve 13 for drainage is connected with the second liquid outlet pipe 14 to discharge hot water, and the three-way solenoid valve 15 for water inlet is connected with the second liquid inlet pipe 16 to allow cooling water with lower temperature to pass through. The three-way solenoid valve 13 for drainage and the three-way solenoid valve 15 for water inlet work together to reduce the pressure of the cooler 11, reduce energy consumption, save production costs, realize rapid cooling and curing of polyurea, shorten curing time, and improve production efficiency. The first temperature sensor 17 sends a signal to the controller. After the polyurea reaches the required temperature, the controller stops the control device and outputs polyurea to complete the production.

[0028] The above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A rapid curing device for the production of polyurea materials, comprising a furnace body, a sealing cover is provided on the top of the furnace body, and is characterized in that: A driving motor, a feed port and a vacuum pump are arranged on the sealing cover; the output end of the driving motor passes through the sealing cover and is connected to a stirring mechanism; a spiral heat exchange tube is arranged on the outside of the stirring mechanism; both ends of the spiral heat exchange tube are connected to an external circulation system; and a controller for controlling the driving motor, the vacuum pump and the external circulation system is also included.

2. The curing device according to claim 1, characterized in that: The external circulation system comprises a first liquid outlet pipe, a circulation pump, a cooler and a first liquid inlet pipe which are sequentially connected to the spiral heat exchange tube.

3. The curing device according to claim 2, characterized in that: A drainage three-way solenoid valve is provided on the first liquid outlet pipe, and the drainage three-way solenoid valve is connected to the second liquid outlet pipe.

4. The curing device according to claim 3, characterized in that: A water inlet three-way solenoid valve is arranged on the output end of the water discharge three-way solenoid valve, and the water inlet three-way solenoid valve is connected to a second liquid inlet pipe.

5. The curing device according to claim 1, characterized in that: A first temperature sensor is disposed in the furnace body, and the first temperature sensor sends a signal to a controller.

6. The curing device according to claim 1, characterized in that: A second temperature sensor is provided between the circulation pump and the drainage three-way solenoid valve, and the second temperature sensor sends a signal to the controller.

7. The curing device according to claim 1, characterized in that: The stirring mechanism comprises a stirring shaft connected to a driving motor, a plurality of first stirring blades located inside the spiral heat exchange tube are arranged on the stirring shaft, and a stirring assembly is arranged at the bottom of the stirring shaft.

8. The curing device according to claim 7, characterized in that: The stirring assembly comprises a second stirring blade, and an L-shaped stirring portion is provided at the bottom of the second stirring blade, the extension direction of which is consistent with that of the second stirring blade.

9. The curing device according to claim 1, characterized in that: A discharge port is arranged at the bottom of the furnace body.

10. The curing device according to claim 1, characterized in that: A stirring blocking rod extending toward the bottom of the furnace body is arranged on the sealing cover.

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