Cooling device for electron beam irradiation equipment of calender

Abstract

The utility model discloses a cooling device for electron beam irradiation equipment of a calender, which comprises an internal circulation pipeline component and a water tank, the water tank is connected with a used internal circulation water outlet pipe and a standby internal circulation water outlet pipe, distilled water in EPS (expandable polystyrene) equipment recycled by the water tank is used as a medium by the internal circulation water outlet pipes, and an output end of each internal circulation water outlet pipe is connected with a heat exchanger. The heat exchanger is selectively communicated with the EPS equipment and the water tank according to the pressure of the output end of the heat exchanger to form a closed loop; the external circulation pipeline assembly comprises a power station, the power station is connected with a used external circulation water outlet pipe and a standby external circulation water outlet pipe, the external circulation water outlet pipes take cooling water provided by the power station as a medium, and the output ends of the external circulation water outlet pipes are connected with the heat exchanger to cool distilled water output by the internal circulation water outlet pipe and return the distilled water to the power station to form a closed loop. Cooling water of the outer circulation pipeline and distilled water of the inner circulation pipeline which are independent from each other are subjected to heat exchange through the heat exchanger, and then the cooled distilled water is returned to the EPS equipment to absorb heat.

Description

Technical Field

[0001] The utility model relates to the technical field of electron beam irradiation equipment for a calender, in particular to a cooling device for electron beam irradiation equipment for a calender. Background Art

[0002] In order to improve the process performance of tire film, the industry usually uses electron beam irradiation (EPS) equipment to irradiate the film produced by semi-steel fiber cord calender or full steel liner calender to improve the strength and toughness of the film. In normal production, the electron beam irradiation equipment of the calender will generate a lot of heat due to the emission of electron beams. If this heat cannot be eliminated in time, it will damage the equipment itself and cause the radiation capacity to decrease, which will eventually lead to poor quality control.

[0003] In the prior art, a corresponding cooling device is configured to absorb the heat generated by the calender electron beam irradiation equipment during operation, such as Figure 1 As shown, the cooling device that absorbs heat energy is ordinary circulating water cooling provided by the factory power station, but the water source provided by the power station has the following problems:

[0004] 1. Water quality problem: The water provided by the power station is ordinary circulating water with poor water quality. It contains impurities such as hard ions and dust. When the water source enters the EPS equipment, it will produce scale and foreign matter, causing pipe blockage and failure to effectively absorb heat energy.

[0005] 2. Cooling method: Figure 1 The cooling device is an ordinary circulating water pipeline, which is directly connected to the EPS equipment. Although there is a filter device in the water circuit, there is no pressure feedback element. When the filter is blocked, the operator cannot know it in time, and once blocked, the cooling capacity will be lost. The large amount of heat generated by the EPS cannot be absorbed in time, and the temperature of the EPS equipment itself will rise sharply, causing damage to the EPS equipment. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a cooling device for electron beam irradiation equipment of a calender, including an EPS device, and further comprising:

[0007] An internal circulation pipeline assembly includes a water tank, the water tank is connected to two internal circulation water outlet pipes, one for use and one for backup, the internal circulation water outlet pipes use distilled water in the EPS device recovered by the water tank as a medium, the output end of the internal circulation water outlet pipe is connected to a heat exchanger, and the heat exchanger is selectively connected to the EPS device and the water tank according to the output end pressure of the heat exchanger to form a closed loop; and

[0008] The external circulation pipeline assembly includes a power station, and the power station is connected to two external circulation water outlet pipes, one for use and one for backup. The external circulation water outlet pipes use cooling water provided by the power station as a medium. The output end of the external circulation water outlet pipe is connected to the heat exchanger to cool the distilled water output by the internal circulation water outlet pipe and return it to the power station to form a closed loop.

[0009] Furthermore, an internal pressure gauge and a relief valve are provided between the output end of the heat exchanger and the EPS device and the water tank, wherein:

[0010] Open the overflow valve to connect the heat exchanger with the water tank, and allow the cooled distilled water to flow into the water tank to reduce the pressure value of the internal pressure gauge;

[0011] The overflow valve is closed to connect the heat exchanger to the EPS device, allowing the cooled distilled water to flow into the EPS device to absorb the heat of the EPS device.

[0012] Furthermore, a first external valve and an external filter are sequentially arranged along the medium conveying direction of the external circulation water outlet pipe.

[0013] Furthermore, an internal valve, a water pump, an internal filter and a thermometer are sequentially arranged along the medium conveying direction of the internal circulation water outlet pipe, wherein the water pump pumps the distilled water in the water tank into the internal filter; and the opening degree of the first external valve is adjusted according to the temperature value of the cooled distilled water detected by the thermometer.

[0014] Furthermore, a second external valve and an external pressure gauge are provided between the output end of the heat exchanger and the power station.

[0015] Furthermore, the water tank is connected to the EPS device through a return pipe.

[0016] Furthermore, the interior of the water tank is divided into a connected water inlet area, a water storage area, a water storage area and a water outlet area, wherein the water inlet area and the water storage area are located on the same side; the water outlet area is located on the side connected to the return pipe and the internal circulation outlet pipe; the water storage area, the water inlet area and the water outlet area are all provided with sewage valves.

[0017] Furthermore, the bottom of the water tank is an overall inclined structure.

[0018] Furthermore, the side wall of the water tank is also provided with two liquid meters with height difference to prompt to add or stop adding distilled water.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model arranges an inner circulation pipeline component and an outer circulation pipeline component which are independent of each other, exchanges heat between the cooling water of the outer circulation pipeline and the distilled water of the inner circulation pipeline through a heat exchanger, and then returns the cooled distilled water to the EPS equipment to absorb heat, thereby solving the water quality problem of the existing EPS cooling equipment; at the same time, by arranging two inner circulation water outlet pipes, one for use and one for backup, two outer circulation water outlet pipes and a pressure gauge, the clogging condition of the filter can be fed back in time, and the filter can be replaced and cleaned under the premise of ensuring the continuous production of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural principle diagram of the EPS equipment cooling device in the prior art;

[0022] Figure 2 It is a structural principle diagram of an embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the pipeline arrangement of an embodiment of the utility model;

[0024] Figure 4 It is a schematic structural diagram of a water tank in an embodiment of the utility model.

[0025] In the figure:

[0026] 100. Internal circulation pipeline assembly;

[0027] 110, water tank; 111, water inlet area; 112, water storage area; 113, water storage area; 114, water outlet area; 115, sewage valve; 116, liquid meter; 117, water return pipe; 118, bottom of water tank;

[0028] 120, internal circulation water outlet pipe; 121, internal valve; 122, water pump; 123, internal filter; 124, temperature gauge;

[0029] 130. Heat exchanger; 131. Internal pressure gauge; 132. Overflow valve;

[0030] 140. EPS equipment;

[0031] 200. External circulation pipeline assembly;

[0032] 210, power station; 211, second external valve; 212, external pressure gauge;

[0033] 220. External circulation water outlet pipe; 221. First external valve; 222. External filter. DETAILED DESCRIPTION

[0034] In order to make the technical scheme and technical effect of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments.

[0035] like Figure 2 As shown, the utility model aims to provide a cooling device for calender electron beam irradiation equipment, which realizes effective cooling effect by arranging independent inner circulation pipeline components and outer circulation pipeline components, utilizing a heat exchanger to exchange heat between cooling water in the outer circulation pipeline and distilled water in the inner circulation pipeline, and then returning the cooled distilled water to the EPS equipment to absorb heat.

[0036] Example

[0037] like Figure 3 As shown, the cooling device of the calender electron beam irradiation equipment mainly includes an inner circulation pipeline assembly 100, an EPS device 140 and an outer circulation pipeline assembly 200, specifically:

[0038] The internal circulation pipeline assembly 100 includes a water tank 110, and the water tank 110 is connected to two internal circulation water outlet pipes 120, one for use and one for backup. The internal circulation water outlet pipe 120 uses distilled water in the EPS device 140 recovered by the water tank 110 as a medium. The output end of the internal circulation water outlet pipe 120 is connected to a heat exchanger 130, and the heat exchanger 130 selectively communicates with the EPS device 140 and the water tank 110 according to the output end pressure of the heat exchanger 130 to form a closed loop. An internal pressure gauge 131 and a relief valve 132 are provided between the output end of the heat exchanger 130 and the EPS device 140 and the water tank 110, wherein the relief valve 132 is opened to connect the heat exchanger 130 with the water tank 110, allowing the cooled distilled water to flow into the water tank 110 to reduce the pressure value of the internal pressure gauge 131; the relief valve 132 is closed to connect the heat exchanger 130 with the EPS device 140, allowing the cooled distilled water to flow into the EPS device 140 to absorb the heat of the EPS device 140. An inner valve 121, a water pump 122, an inner filter 123 and a thermometer 124 are sequentially arranged along the medium conveying direction of the inner circulation water outlet pipe 120, wherein the water pump 122 pumps the distilled water in the water tank 110 into the inner filter 123; the opening degree of the first outer valve 221 is adjusted according to the temperature value of the cooled distilled water detected by the thermometer 124.

[0039] The cooling principle of the internal circulation pipeline is: the water tank 110 stores high-temperature distilled water returned from the EPS device 140, and the water tank is connected to two internal circulation outlet pipes 120, namely the internal circulation outlet pipe B and the internal circulation outlet pipe B', one for production use and the other for standby. The internal circulation outlet pipe 120 is connected to the internal valve 121 and the water pump 122. The water pump 122 pumps the high-temperature distilled water in the water tank 110 into the internal filter 123 and then enters the heat exchanger 130 for cooling. The cooled distilled water is divided into two pipelines. When the internal pressure gauge 131 detects a pressure higher than the set value, the overflow valve 132 is opened, and the distilled water in the heat exchanger 130 enters the water tank 110 through the overflow pipeline for cooling to reduce the pressure; when the pressure is reduced to the set value, the distilled water enters the EPS device 140 again. If the pressure detected by the internal pressure gauge 131 is lower than the set value, the internal valve 121 of the current internal circulation outlet pipe is closed, and the internal valve 121 of another spare internal circulation outlet pipe is opened. At the same time, the system alarms to remind the operator to clean the internal filter 123. The temperature gauge 124 detects the temperature of the distilled water after cooling. When the temperature is too high or too low, the system will issue an alarm and automatically adjust the opening degree of the first external valve 221 in the external circulation pipeline, that is, adjust the cooling capacity of the external circulation water. The low-temperature distilled water enters the EPS device 140 to absorb its heat energy. At this time, the water temperature of the distilled water increases and enters the water tank 110 through the return pipe 117. The distilled water entering the water tank 110 enters the EPS device 140 through the internal circulation outlet pipe 120 of the water tank 110, and repeats this process to form an internal circulation cooling pipeline.

[0040] The external circulation pipeline assembly 200 includes a power station 210, and the power station 210 is connected to two external circulation water outlet pipes 220, one for use and one for backup. The external circulation water outlet pipe 220 uses cooling water provided by the power station 210 as a medium. The output end of the external circulation water outlet pipe 220 is connected to the heat exchanger 130 to cool the distilled water output by the internal circulation water outlet pipe 120 and return it to the power station 210 to form a closed loop. A first external valve 221 and an external filter 222 are sequentially arranged along the medium conveying direction of the external circulation water outlet pipe 220. A second external valve 211 and an external pressure gauge 212 are arranged between the output end of the heat exchanger 130 and the power station 210.

[0041] The cooling principle of the external circulation pipeline is: the power station 210 provides low-temperature cooling water, and the power station 210 is connected to two external circulation outlet pipes 220, namely the external circulation outlet pipe A and the internal circulation outlet pipe A'. The cooling water enters the heat exchanger 130 through the first external valve 221 and the external filter 222 of the external circulation outlet pipe 220 to cool the distilled water in the internal circulation pipeline. The high-temperature cooling water from the heat exchanger 130 returns to the power station 210 through the second external valve 211 and the external pressure gauge 212. The power station 210 then pumps the cooling water into the external circulation outlet pipe 220, and repeats this process to form external circulation cooling water. When the pressure value of the external pressure gauge 212 is lower than the set value, the system issues an alarm to notify the operator, and automatically closes the first external valve 221 of the current external circulation outlet pipe 220, and opens the first external valve 221 of another spare external circulation outlet pipe 220 to maintain normal cooling. The operator can choose to clean the external filter 222. This design can ensure normal production and timely maintenance of equipment.

[0042] like Figure 4 As shown, the water tank 110 is a stainless steel plate welded box. The water tank 110 is divided into a connected water inlet area 111, a water storage area 112, a water storage area 113 and a water outlet area 114, wherein the water inlet area 111 and the water storage area 112 are located on the same side; the water outlet area 114 is located on the side connected to the return pipe 117 and the internal circulation outlet pipe 120; the water storage area 112, the water inlet area 111 and the water outlet area 114 are all provided with a sewage valve 115 to facilitate daily cleaning of the water tank 110. The water tank 110 is connected to the EPS device 140 through the return pipe 117. The bottom 118 of the water tank is an inclined structure as a whole. The purpose of this design is to completely discharge the bottom sewage and achieve the goal of cleaning. The side wall of the water tank 110 is also provided with two liquid meters 116 with a height difference to prompt the operator to add or stop adding distilled water. When the liquid is lower than the design value, the system alarm prompts the operator to add distilled water; when the water level reaches the high liquid position, the system alarm prompts the operator to stop adding distilled water to prevent excessive water level from overflowing the water tank 110.

[0043] The utility model adopts distilled water as cooling medium to avoid pipeline blockage, thereby protecting EPS equipment, and simultaneously designs two independent internal and external circulation systems to achieve efficient cooling under the premise of ensuring continuous production of equipment.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for a calender electron beam irradiation device, comprising an EPS device (140), characterized in that: Also includes: An internal circulation pipeline assembly (100) comprises a water tank (110), the water tank (110) being connected to two internal circulation water outlet pipes (120), one for use and the other for backup, the internal circulation water outlet pipe (120) using distilled water in an EPS device (140) recovered by the water tank (110) as a medium, the output end of the internal circulation water outlet pipe (120) being connected to a heat exchanger (130), the heat exchanger (130) being selectively connected to the EPS device (140) and the water tank (110) according to the output end pressure of the heat exchanger (130) to form a closed loop; and An external circulation pipeline assembly (200) comprises a power station (210), wherein the power station (210) is connected to two external circulation water outlet pipes (220), one for use and one for backup, wherein the external circulation water outlet pipes (220) use cooling water provided by the power station (210) as a medium, and the output end of the external circulation water outlet pipe (220) is connected to the heat exchanger (130) to cool the distilled water output by the internal circulation water outlet pipe (120) and return it to the power station (210) to form a closed loop.

2. The cooling device for the electron beam irradiation equipment of the calender according to claim 1, characterized in that: An internal pressure gauge (131) and a relief valve (132) are provided between the output end of the heat exchanger (130), the EPS device (140), and the water tank (110), wherein: Opening the overflow valve (132) to connect the heat exchanger (130) with the water tank (110), allowing the cooled distilled water to flow into the water tank (110) to reduce the pressure value of the internal pressure gauge (131); The overflow valve (132) is closed to connect the heat exchanger (130) to the EPS device (140), allowing the cooled distilled water to flow into the EPS device (140) to absorb the heat of the EPS device (140).

3. The cooling device for the electron beam irradiation equipment of the calender according to claim 1, characterized in that: A first external valve (221) and an external filter (222) are sequentially arranged along the medium conveying direction of the external circulation water outlet pipe (220).

4. The cooling device for the electron beam irradiation equipment of the calender according to claim 3, characterized in that: An inner valve (121), a water pump (122), an inner filter (123) and a thermometer (124) are sequentially arranged along the medium conveying direction of the inner circulation water outlet pipe (120), wherein the water pump (122) pumps the distilled water in the water tank (110) into the inner filter (123); and the opening degree of the first outer valve (221) is adjusted according to the temperature value of the cooled distilled water detected by the thermometer (124).

5. The cooling device for the electron beam irradiation equipment of a calender according to claim 1, characterized in that: A second external valve (211) and an external pressure gauge (212) are provided between the output end of the heat exchanger (130) and the power station (210).

6. The cooling device for the electron beam irradiation equipment of a calender according to claim 1, characterized in that: The water tank (110) is connected to the EPS device (140) via a water return pipe (117).

7. The cooling device for the electron beam irradiation equipment of the calender according to claim 6, characterized in that: The water tank (110) is internally divided into a water inlet area (111), a water storage area (112), a water storage area (113), and a water outlet area (114) which are connected to each other, wherein the water inlet area (111) and the water storage area (112) are located on the same side; the water outlet area (114) is located on the side connected to the return pipe (117) and the internal circulation water outlet pipe (120); and the water storage area (112), the water inlet area (111), and the water outlet area (114) are all provided with sewage valves (115).

8. The cooling device for the electron beam irradiation equipment of a calender according to claim 1, characterized in that: The bottom of the water tank (110) is an overall inclined structure.

9. The cooling device for the electron beam irradiation equipment of a calender according to claim 8, characterized in that: The side wall of the water tank (110) is also provided with two liquid meters (116) with a height difference to prompt the filling or stopping of distilled water.

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