Energy-saving device of rubber vulcanizing machine and energy-saving rubber vulcanizing machine

Abstract

The utility model relates to an energy-saving device of a rubber vulcanizing machine and an energy-saving rubber vulcanizing machine, the energy-saving device of the rubber vulcanizing machine is arranged in cooperation with the rubber vulcanizing machine, the energy-saving device of the rubber vulcanizing machine comprises a heat preservation layer, a heat preservation layer, a heat preservation layer and a heat preservation layer, the heat preservation layer is externally arranged on the outer wall of the rubber vulcanizing machine; the closed cooling water system is externally connected to the rubber vulcanizing machine and is used for exchanging heat with the rubber vulcanizing machine; and the boiler feed water preheating system is connected with the closed cooling water system and heats a heat medium in the boiler feed water preheating system when exchanging heat with the closed cooling water system. According to the energy-saving device of the rubber vulcanizing machine, the heat loss in the vulcanizing temperature rising process and the vulcanizing process can be effectively reduced, rapid cooling of the rubber vulcanizing machine is achieved after vulcanizing is finished, the energy efficiency is greatly improved through residual heat energy, and the purposes of energy conservation and emission reduction are achieved.

Description

Technical Field

[0001] The present application relates to the field of rubber tire industry, and in particular to an energy-saving device for a rubber vulcanizer and an energy-saving rubber vulcanizer. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, various rubber products and production equipment have been continuously evolving in the rubber tire industry. Among them, the vulcanizer, as a vulcanization process for rubber tires, has been more significantly improved.

[0003] At present, as a large-scale high-energy consumption equipment, the vulcanizer consumes a lot of energy. Under the background of energy conservation and emission reduction, how to achieve energy conservation of the vulcanizer is the main improvement direction now. For the vulcanizer, steam is generally used to preheat the vulcanizer before the start of vulcanization, so that the vulcanizer is preheated to about 200°C. During the vulcanization process, the vulcanization temperature needs to be maintained, and this insulation process lasts for about 2 hours. After the vulcanization is completed, the vulcanizer is turned on and cooled by external air. However, in this working process, since the vulcanizer is exposed to the air, the heat energy is directly radiated into the environment during the insulation process. On the one hand, the heat is directly dissipated to the external environment, resulting in the loss of heat energy. On the other hand, more heat is required to maintain the vulcanization temperature, resulting in energy waste. Moreover, during the cooling process of the vulcanizer, the vulcanizer directly exchanges heat with the external air, resulting in the loss of heat energy.

[0004] Therefore, providing an energy-saving device for a rubber vulcanizer with good energy-saving effect and an energy-saving rubber vulcanizer is a technical problem that needs to be solved urgently. Summary of the invention

[0005] Based on this, it is necessary to provide an energy-saving device for a rubber vulcanizer and an energy-saving rubber vulcanizer to address the above problems, which can effectively reduce the vulcanization temperature rise process and the heat loss during the vulcanization process, achieve rapid cooling of the rubber vulcanizer after the vulcanization is completed, and utilize the remaining heat energy to greatly improve the energy efficiency, thereby achieving the purpose of energy saving and emission reduction.

[0006] The present application provides an energy-saving device for a rubber vulcanizer, which is arranged in conjunction with the rubber vulcanizer. The energy-saving device for the rubber vulcanizer comprises:

[0007] A heat-insulating layer, the heat-insulating layer being arranged on the outer wall of the rubber vulcanizing machine;

[0008] A closed cooling water system, the closed cooling water system is externally connected to the rubber vulcanizer for heat exchange with the rubber vulcanizer;

[0009] A boiler feed water preheating system is connected to the closed cooling water system and heats the heat medium inside the closed cooling water system during heat exchange with the closed cooling water system.

[0010] In one of the embodiments, the thermal insulation layer includes a coating layer and a thermal insulation material. The coating layer is coated on the outer wall of the rubber vulcanizer and is a multi-layer structure stacked in layers. The thermal insulation material is filled inside the coating layer.

[0011] In one embodiment, the thermal insulation material has at least one material monomer selected from rock wool, aluminum silicate, glass wool, foam insulation material, aerogel insulation felt, polyurethane and polystyrene, and when the thermal insulation material has multiple material monomers, the multiple material monomers are stacked inside the coating layer.

[0012] In one of the embodiments, the stacking monomers of the coating layer are galvanized aluminum skin or stainless steel skin, the number of the stacking monomers is at least two, and the thermal insulation material is filled between adjacent stacking monomers.

[0013] In one embodiment, the closed cooling water system includes a cooling water storage tank, a first circulation pump, a heat exchanger, a buffer tank, and a boiler feed water preheater arranged in a closed loop through a first circulation pipeline, wherein:

[0014] The cooling water storage tank is used to store and provide cooling medium;

[0015] The first circulating pump is used to provide power for the circulating motion of the cooling medium;

[0016] The heat exchanger is externally connected to the rubber vulcanizer and the cooling medium therein exchanges heat with the rubber vulcanizer;

[0017] The buffer tank is used to store and buffer the cooling medium after heat exchange;

[0018] The boiler feed water preheater is connected to the boiler feed water preheating system, and the cooling medium after heat exchange therein exchanges heat with the heat medium of the boiler feed water preheating system.

[0019] In one embodiment, the cooling medium is softened water.

[0020] In one embodiment, the boiler feed water preheating system comprises a boiler feed water system and a second circulating pump, wherein:

[0021] The boiler feed water system and the second circulating pump are connected in a closed loop with the boiler feed water preheater via a second circulating pipeline;

[0022] The second circulation pump is used to provide power for the heat medium to circulate between the boiler feed water preheater and the boiler feed water system;

[0023] The boiler feed water system is used to provide heat medium and output the heated heat medium.

[0024] In one embodiment, the closed cooling water system and the boiler feed water preheating system are both provided with automatic control components, and the automatic control components include automatic control valves, flow meters, and sensors, wherein:

[0025] The sensor is arranged on the first circulation pipeline or the second circulation pipeline;

[0026] The flow meter is arranged inside the first circulation pipeline or the second circulation pipeline;

[0027] The automatic control valve is respectively connected to the sensor and the flow meter for communication, and is used to automatically adjust the opening according to the temperature or pressure information collected by the sensor and the flow rate or flow information collected by the flow meter.

[0028] In one embodiment, the closed cooling water system also includes a safety valve, which is arranged in the first circulation pipeline and is communicatively connected to the sensor. When the temperature or pressure information collected by the sensor reaches a preset warning value of the safety valve, the safety valve trips and cuts off the first circulation pipeline.

[0029] In addition, the present application also provides an energy-saving rubber vulcanizer, including a rubber vulcanizer and an energy-saving device for the rubber vulcanizer as described in any of the above technical solutions, wherein the energy-saving device for the rubber vulcanizer is connected to the rubber vulcanizer.

[0030] In the energy-saving device of the rubber vulcanizer and the energy-saving rubber vulcanizer, the insulation layer arranged on the outer wall of the rubber vulcanizer can, on the one hand, reduce the heat dissipation during the heating process before the rubber vulcanizer is turned on, and can quickly increase the temperature during the heating stage of the rubber vulcanizer. On the other hand, it can also isolate the rubber vulcanizer from the external environment during the entire working process of the rubber vulcanizer, reduce heat loss, and maintain the vulcanization temperature more conveniently and reliably, ensure the reliability and stability of the insulation stage, reduce heat loss in the external environment, and improve thermal efficiency. In the cooling stage of the rubber vulcanizer, through the heat exchange between the closed cooling water system and the rubber vulcanizer, the heat inside the rubber vulcanizer can be quickly circulated from the rubber vulcanizer to the closed cooling water system after the vulcanization process is completed, so as to achieve rapid cooling of the rubber vulcanizer, and through the heat exchange between the closed cooling water system and the boiler feed water preheating system, the heat of the closed cooling water system is used to heat the heat medium in the boiler feed water preheating system, so as to increase the temperature of the heat medium output by the boiler feed water preheating system and reduce the fuel consumption of the boiler feed water preheating system. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic structural diagram of an energy-saving rubber vulcanizer provided in one embodiment of the present application.

[0032] Figure 2 A partial cross-sectional view of a thermal insulation layer in an energy-saving device for a rubber vulcanizer provided in one embodiment of the present application.

[0033] Figure 3 This is a schematic structural diagram of an energy-saving rubber vulcanizer provided in another embodiment of the present application.

[0034] Reference numerals:

[0035] 01. Energy-saving rubber vulcanizing machine;

[0036] 10. Energy-saving device for rubber vulcanizing machine;

[0037] 100, thermal insulation layer; 110, coating layer; 111, stacking monomer; 120, thermal insulation material; 121, material monomer;

[0038] 200, closed cooling water system; 210, cooling water storage tank; 220, first circulation pump; 230, heat exchanger; 240, buffer tank; 250, boiler feed water preheater; 260, first circulation pipeline; 270, first automatic control component; 271, first automatic control valve; 272, first flow meter; 273, first sensor; 280, safety valve;

[0039] 300, boiler feed water preheating system; 310, boiler feed water system; 320, second circulation pump; 330, second circulation pipeline; 340, second automatic control component; 341, second automatic control valve; 342, second flow meter; 343, second sensor;

[0040] 20. Rubber vulcanizing machine. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0042] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0043] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0046] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0047] The technical solution provided by the embodiments of the present application is described below in conjunction with the accompanying drawings.

[0048] See also Figure 1 As shown, in the first aspect, the present application provides an energy-saving device 10 for a rubber vulcanizer, which is applied to an energy-saving rubber vulcanizer 20 and is arranged in conjunction with the rubber vulcanizer 20. The energy-saving device 10 for the rubber vulcanizer includes an insulation layer 100, a closed cooling water system 200, and a boiler feed water preheating system 300, wherein:

[0049] The heat-insulating layer 100 is disposed on the outer wall of the rubber vulcanizer 20 to isolate the rubber vulcanizer 20 from the external environment to avoid direct heat exchange between the heat of the rubber vulcanizer 20 and the external environment.

[0050] The heat-insulating layer 100 has various structural forms. In a preferred embodiment, refer to Figure 2 As shown, the thermal insulation layer 100 includes a coating layer 110 and a thermal insulation material 120, the coating layer 110 is coated on the outer wall of the rubber vulcanizer 20, and the coating layer 110 is a multi-layer structure stacked, and the thermal insulation material 120 is filled inside the coating layer 110. In the above-mentioned thermal insulation layer 100, the coating layer 110 can isolate the outer wall of the entire rubber vulcanizer 20 from the external environment, and the coating layer 110 and the thermal insulation material 120 therein cooperate to insulate and heat the entire rubber vulcanizer 20, improve the thermal insulation effect, and further reduce the heat loss of the rubber vulcanizer 20.

[0051] The heat-insulating material 120 has various structural forms. Figure 2 As shown, the thermal insulation material 120 may have a material monomer 121 selected from rock wool, aluminum silicate, glass wool, foam insulation material, aerogel insulation felt, polyurethane and polystyrene. The thermal insulation material 120 may also have multiple material monomers 121 selected from rock wool, aluminum silicate, glass wool, foam insulation material, aerogel insulation felt, polyurethane and polystyrene. The thermal insulation effect of the thermal insulation material 120 can be ensured by using the above-mentioned rock wool, aluminum silicate, glass wool, foam insulation material, aerogel insulation felt, polyurethane and polystyrene which are easy to obtain and have good thermal insulation effect. Of course, the choice of the thermal insulation material 120 is not limited thereto, and can also be other material forms that can meet the requirements. Moreover, when the thermal insulation material 120 has multiple material monomers 121, the multiple material monomers 121 are stacked inside the coating layer 110 to facilitate the preparation of the thermal insulation material 120 and expand the temperature range of the thermal insulation material 120, so as to adapt to the thermal insulation of various rubber vulcanizers 20.

[0052] The coating layer 110 has various structural forms. Figure 2 As shown, the stacking monomer 111 of the coating layer 110 can be a galvanized aluminum skin or a stainless steel skin. The galvanized aluminum skin or the stainless steel skin is easy to obtain, which is convenient for the preparation of the coating layer 110, and has a good anti-corrosion effect, and can better protect the insulation layer 100 and the rubber vulcanizer 20. Of course, the selection of the stacking monomer 111 of the coating layer 110 is not limited to this, and can also be other materials that can meet the requirements. The number of stacking monomers 111 is at least two, for example, the number of stacking monomers 111 can be two, three, four or more than four, and multiple stacking monomers 111 are stacked in sequence, and the insulation material 120 is filled between adjacent stacking monomers 111. On the one hand, it can achieve multi-layer insulation, improve the insulation effect, and further reduce heat damage. On the other hand, after a layer of stacking monomers 111 is damaged, there are still other stacking monomers 111 and insulation materials 120 to continue insulation, thereby improving the reliability and service life of the insulation layer 100.

[0053] Continue reading Figure 1 As shown, in the energy-saving device 10 of the rubber vulcanizer, the closed cooling water system 200 is externally connected to the rubber vulcanizer 20, and the closed cooling water system 200 is used to perform heat exchange with the rubber vulcanizer 20, so as to transfer the heat of the rubber vulcanizer 20 from the inside of the rubber vulcanizer 20 to the inside of the closed cooling water system 200, and the cooling of the rubber vulcanizer 20 and the heat storage of the closed cooling water system 200 are achieved through heat transfer.

[0054] Continue reading Figure 1As shown, in the energy-saving device 10 of the above-mentioned rubber vulcanizer, the boiler feed water preheating system 300 is connected to the closed cooling water system 200, and there is a heat medium inside the boiler feed water preheating system 300. The boiler feed water preheating system 300 heats the heat medium during heat exchange with the closed cooling water system 200 to transfer the stored heat in the closed cooling water system 200 from the closed cooling water system 200 to the boiler feed water preheating system 300, so that the boiler feed water preheating system 300 can increase the heated heat medium.

[0055] The closed cooling water system 200 has various structural forms. In a preferred embodiment, refer to Figure 3 As shown, the closed cooling water system 200 includes a cooling water storage tank 210, a first circulating pump 220, a heat exchanger 230, a buffer tank 240, and a boiler feed water preheater 250. The cooling water storage tank 210, the first circulating pump 220, the heat exchanger 230, the buffer tank 240, and the boiler feed water preheater 250 are arranged in a closed loop through a first circulating pipeline 260. The cooling water storage tank 210 is used to store the cooling medium, and the cooling water storage tank 210 is also used to provide the cooling medium in the first circulation pipeline 260; the first circulation pump 220 is used to provide the power for the circulation of the cooling medium, and the power provided by the first circulation pump 220 enables the cooling medium to circulate in the first circulation pipeline 260; the heat exchanger 230 is externally connected to the rubber vulcanizer 20, and the cooling medium and the rubber vulcanizer 20 exchange heat at the heat exchanger 230, so that the heat of the rubber vulcanizer 20 is transferred from the inside of the rubber vulcanizer 20 to the cooling medium through the heat exchanger 230, so that the cooling medium is heated; in one example, the boiler feed water preheater 250 and the heat exchanger 230 can be a plate structure with a higher heat transfer coefficient to improve the heat exchange efficiency; the buffer tank 240 is used to store the cooling medium after heat exchange, and the buffer tank 240 is also used to buffer the cooling medium after heat exchange; the boiler feed water preheater 250 is connected to the boiler feed water preheating system 300, and the cooling medium after heat exchange in the boiler feed water preheater 250 exchanges heat with the heat medium of the boiler feed water preheating system 300, so that heat is transferred from the closed cooling water system 200 to the inside of the boiler feed water preheating system 300 through the boiler feed water preheater 250.

[0056] During the operation of the energy-saving device 10 of the rubber vulcanizer, the first circulation pump 220 drives the cooling water in the cooling water storage tank 210 to move in the first circulation pipeline 260. When the cooling water passes through the heat exchanger 230, it exchanges heat with the rubber vulcanizer 20. The heat inside the rubber vulcanizer 20 heats the cooling water, and the rubber vulcanizer 20 is cooled down. The cooling medium after heat exchange is buffered by the buffer tank 240 and then exchanges heat with the heat medium inside the boiler feed water preheating system 300 at the boiler feed water preheater 250. The cooling medium in the closed cooling water system 200 is cooled down, and the heat medium inside the boiler feed water preheating system 300 is heated and can be output as a heat source, so that the heat inside the rubber vulcanizer 20 can be used to heat the heat medium inside the boiler feed water preheating system 300, thereby improving the utilization rate of thermal energy while cooling the rubber vulcanizer 20.

[0057] There are many structural forms of the cooling medium. Specifically, the cooling medium can be softened water. Since softened water contains fewer impurities, less scale can be generated during the heating and cooling process of the cooling medium, which can improve the reliability and service life of the closed cooling water system 200. In one example, the cooling water can be desalted water, or other forms of softened water.

[0058] The boiler feed water preheating system 300 has various structural forms. Figure 3 As shown, the boiler feed water preheating system 300 includes a boiler feed water system 310 and a second circulation pump 320, wherein: the boiler feed water system 310 and the second circulation pump 320 are connected in a closed loop with the boiler feed water preheater 250 through the second circulation pipeline 330 to realize heat exchange between the heat medium in the boiler feed water system 310 and the boiler feed water preheater 250; the second circulation pump 320 is used to provide power for the heat medium to circulate between the boiler feed water preheater 250 and the boiler feed water system 310, and the power provided by the second circulation pump 320 is used to enable the heat medium to circulate in the second circulation pipeline 330; the boiler feed water system 310 is used to provide heat medium so that the heat medium circulates in the second circulation pipeline 330, and the boiler feed water system 310 is also used to output the heated heat medium, and the heated heat medium can be output as a heat source.

[0059] During the operation of the energy-saving device 10 of the rubber vulcanizer, the second circulation pump 320 drives the heat medium in the boiler feed water system 310 to move in the second circulation pipeline 330. When the heat medium passes through the boiler feed water preheater 250, it exchanges heat with the cooling water after heat exchange. The heat of the cooling water after heat exchange heats the heat medium, and the cooling water after heat exchange cools down. The heat medium after heat exchange flows back to the boiler feed water system 310 through the second circulation pipeline 330, and exists as a heat source to be provided, so that the heat inside the rubber vulcanizer 20 can be used to heat the heat medium inside the boiler feed water preheating system 300, thereby improving the utilization rate of thermal energy while cooling the rubber vulcanizer 20.

[0060] In order to facilitate the control of the energy-saving device 10 of the rubber vulcanizing machine, more specifically, refer to Figure 3 As shown, the closed cooling water system 200 and the boiler feed water preheating system 300 are both provided with automatic control components, which include automatic control valves, flow meters, and sensors. In one example, the sensor may be a temperature sensor, or a pressure sensor, and the automatic control valve may be a pneumatic valve, a ball valve, or other structural forms. The sensor and the automatic control valve may also be other structural forms that can meet the requirements. The closed cooling water system 200 has a first automatic control component 270, which includes a first automatic control valve 271, a first flow meter 272, and a first sensor 273. The boiler feed water preheating system 300 has a second automatic control component 340, which includes a second automatic control valve 341, a second flow meter 342, and a second sensor 343, wherein:

[0061] The first sensor 273 is arranged in the first circulation pipeline 260, and is used to detect the cooling medium in the first circulation pipeline 260; the first flow meter 272 is arranged inside the first circulation pipeline 260, and is used to detect the flow rate or flow information of the cooling medium in the first circulation pipeline 260; the first automatic control valve 271 is respectively connected to the first sensor 273 and the first flow meter 272 through cable communication, and the first automatic control valve 271 is used to automatically adjust the opening according to the temperature or pressure information collected by the first sensor 273 and the flow rate or flow information collected by the first flow meter 272.

[0062] The second sensor 343 is arranged on the second circulation pipeline 330, and is used to detect the heat medium of the second circulation pipeline 330; the second flow meter 342 is arranged inside the second circulation pipeline 330, and is used to detect the flow rate or flow information of the heat medium of the second circulation pipeline 330; the second automatic control valve 341 is respectively connected to the second sensor 343 and the second flow meter 342 through cable communication, and the second automatic control valve 341 is used to automatically adjust the opening according to the temperature or pressure information collected by the second sensor 343 and the flow rate or flow information collected by the second flow meter 342.

[0063] In one example, the closed cooling water system 200 adopts a temperature control system and a preset self-circulation system. When the rubber vulcanizer 20 is set to start cooling, the closed cooling water system 200 and the boiler feed water preheating system 300 are automatically started, or when the vulcanization temperature is too high, the closed cooling water system 200 and the boiler feed water preheating system 300 are automatically started to cool down the rubber vulcanizer 20 to maintain a normal temperature.

[0064] During the operation of the energy-saving device 10 of the rubber vulcanizer, the first sensor 273 collects the temperature or pressure information of the first circulation pipeline 260, the first flow meter 272 collects the flow rate or flow rate information of the first circulation pipeline 260, and the first automatic control valve 271 automatically adjusts the opening according to the temperature or pressure information, flow rate or flow rate information of the first circulation pipeline 260 to adjust the temperature reduction process of the rubber vulcanizer 20. The second sensor 343 collects the temperature or pressure information of the second circulation pipeline 330, the second flow meter 342 collects the flow rate or flow rate information of the second circulation pipeline 330, and the second automatic control valve 341 automatically adjusts the opening according to the temperature or pressure information, flow rate or flow rate information of the second circulation pipeline 330 to adjust the temperature reduction process of the closed cooling water system 200 and the rubber vulcanizer 20, so as to quickly cool down the rubber vulcanizer 20.

[0065] More specifically, see Figure 3As shown, the closed cooling water system 200 further includes a safety valve 280, which is arranged in the first circulation pipeline 260, and the safety valve 280 is connected to the sensor through a cable communication. When the temperature or pressure information collected by the first sensor 273 of the closed cooling water system 200 reaches the preset warning value of the safety valve 280, the safety valve 280 starts and cuts off the first circulation pipeline 260. When the temperature or pressure information of the closed cooling water system 200 reaches the preset warning value of the safety valve 280, the safety valve 280 starts and cuts off the first circulation pipeline 260 when it obtains this information from the first sensor 273, so as to realize the automatic protection of the closed cooling water system 200. In one example, the first automatic control component 270 and the safety valve 280 constitute a DCS automatic interlocking control, which automatically starts when the temperature or pressure information in the first circulation pipeline 260 is high, automatically stops when the temperature or pressure information in the first circulation pipeline 260 is low, and automatically cuts off when the temperature or pressure information in the first circulation pipeline 260 is higher than the preset warning value.

[0066] Second, see Figure 1 As shown, the present application also provides an energy-saving rubber vulcanizer 2001 for vulcanization of rubber, the energy-saving rubber vulcanizer 2001 comprises a rubber vulcanizer 20 and an energy-saving device 10 for a rubber vulcanizer as in any of the above technical solutions, the energy-saving device 10 for a rubber vulcanizer is connected to the rubber vulcanizer 20, the thermal insulation layer 100 in the energy-saving device 10 for a rubber vulcanizer is arranged on the outer wall of the rubber vulcanizer 20, and the closed cooling water system 200 is connected to the rubber vulcanizer 20. In one example, the rubber vulcanizer 20 has an upper hot plate and a lower hot plate, and the closed cooling water system 200 has two heat exchangers 230, and the two heat exchangers 230 are respectively connected to the upper hot plate and the lower hot plate in a one-to-one correspondence.

[0067] In the energy-saving device 10 of the rubber vulcanizer and the energy-saving rubber vulcanizer 2001, the insulation layer 100 arranged on the outer wall of the rubber vulcanizer 20 can, on the one hand, reduce the heat dissipation during the heating process before the rubber vulcanizer 20 is turned on, and can quickly increase the temperature of the rubber vulcanizer 20 during the heating stage. On the other hand, it can also isolate the rubber vulcanizer 20 from the external environment during the entire working process of the rubber vulcanizer 20 to reduce heat loss, so that the vulcanization temperature can be maintained more conveniently and reliably, the reliability and stability of the insulation stage can be ensured, the heat loss in the external environment can be reduced, and the thermal efficiency can be improved. During the cooling stage of the rubber vulcanizer 20, through the heat exchange between the closed cooling water system 200 and the rubber vulcanizer 20, the heat inside the rubber vulcanizer 20 can be quickly circulated from the rubber vulcanizer 20 to the closed cooling water system 200 after the vulcanization process is completed, thereby achieving rapid cooling of the rubber vulcanizer 20, and through the heat exchange between the closed cooling water system 200 and the boiler feed water preheating system 300, the heat of the closed cooling water system 200 is used to heat the heat medium in the boiler feed water preheating system 300, thereby increasing the temperature of the heat medium output by the boiler feed water preheating system 300 and reducing the fuel consumption of the boiler feed water preheating system 300.

[0068] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An energy-saving device for a rubber vulcanizing machine, which is arranged in conjunction with the rubber vulcanizing machine, and is characterized in that: The energy-saving device of the rubber vulcanizing machine comprises: A heat-insulating layer, the heat-insulating layer being arranged on the outer wall of the rubber vulcanizing machine; A closed cooling water system, the closed cooling water system is externally connected to the rubber vulcanizer for heat exchange with the rubber vulcanizer; A boiler feed water preheating system is connected to the closed cooling water system and heats the heat medium inside the closed cooling water system during heat exchange with the closed cooling water system.

2. The energy-saving device for a rubber vulcanizing machine according to claim 1, characterized in that: The heat-insulating layer comprises a coating layer and a heat-insulating material. The coating layer is coated on the outer wall of the rubber vulcanizer and is a multi-layer structure stacked in layers. The heat-insulating material is filled in the coating layer.

3. The energy-saving device for a rubber vulcanizing machine according to claim 2, characterized in that: The thermal insulation material has at least one material monomer selected from rock wool, aluminum silicate, glass wool, foam insulation material, aerogel insulation felt, polyurethane and polystyrene, and when the thermal insulation material has multiple material monomers, the multiple material monomers are stacked inside the coating layer.

4. The energy-saving device for a rubber vulcanizing machine according to claim 2, characterized in that: The stacking monomers of the coating layer are galvanized aluminum skin or stainless steel skin, the number of the stacking monomers is at least two, and the thermal insulation material is filled between adjacent stacking monomers.

5. The energy-saving device for a rubber vulcanizing machine according to claim 1, characterized in that: The closed cooling water system includes a cooling water storage tank, a first circulation pump, a heat exchanger, a buffer tank, and a boiler feed water preheater arranged in a closed loop through a first circulation pipeline, wherein: The cooling water storage tank is used to store and provide cooling medium; The first circulating pump is used to provide power for the circulating motion of the cooling medium; The heat exchanger is externally connected to the rubber vulcanizer and the cooling medium therein exchanges heat with the rubber vulcanizer; The buffer tank is used to store and buffer the cooling medium after heat exchange; The boiler feed water preheater is connected to the boiler feed water preheating system, and the cooling medium after heat exchange therein exchanges heat with the heat medium of the boiler feed water preheating system.

6. The energy-saving device for a rubber vulcanizing machine according to claim 5, characterized in that: The cooling medium is softened water.

7. The energy-saving device for a rubber vulcanizing machine according to claim 5, characterized in that: The boiler feed water preheating system comprises a boiler feed water system and a second circulating pump, wherein: The boiler feed water system and the second circulating pump are connected in a closed loop with the boiler feed water preheater via a second circulating pipeline; The second circulation pump is used to provide power for the heat medium to circulate between the boiler feed water preheater and the boiler feed water system; The boiler feed water system is used to provide heat medium and output the heated heat medium.

8. The energy-saving device for a rubber vulcanizing machine according to claim 7, characterized in that: The closed cooling water system and the boiler feed water preheating system are both provided with automatic control components, which include automatic control valves, flow meters, and sensors, wherein: The sensor is arranged on the first circulation pipeline or the second circulation pipeline; The flow meter is arranged inside the first circulation pipeline or the second circulation pipeline; The automatic control valve is respectively connected to the sensor and the flow meter for communication, and is used to automatically adjust the opening according to the temperature or pressure information collected by the sensor and the flow rate or flow information collected by the flow meter.

9. The energy-saving device for a rubber vulcanizing machine according to claim 8, characterized in that: The closed cooling water system also includes a safety valve, which is arranged in the first circulation pipeline and is communicatively connected with the sensor. When the temperature or pressure information collected by the sensor reaches a preset warning value of the safety valve, the safety valve trips and cuts off the first circulation pipeline.

10. An energy-saving rubber vulcanizing machine, characterized in that: The invention comprises a rubber vulcanizer and an energy-saving device for the rubber vulcanizer as claimed in any one of claims 1 to 9, wherein the energy-saving device for the rubber vulcanizer is connected to the rubber vulcanizer.

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