Interlocking heat exchange device for bidirectional loading and unloading of high fructose corn syrup

Abstract

The utility model discloses an interlocking heat exchange device for bidirectional loading and unloading of fructose syrup, which exchanges heat with a heat exchanger by arranging a cooling water tank and a steam source, realizes heat exchange treatment with the heat exchanger through related pipelines in the loading, unloading and transportation processes of the fructose syrup, and ensures that the fructose syrup is kept in a preset temperature range. By changing the input medium of the heat exchanger and the forward and reverse input of the loading and unloading vehicle pump, the bidirectional linkage heat exchange process is realized, the human intervention is reduced, the loading and unloading efficiency is improved, the personnel investment is reduced, the labor intensity is reduced, and the loading and unloading vehicle efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of fruit technology, and in particular to an interlocked heat exchange device for bidirectional loading and unloading of fructose syrup. Background Technology

[0002] Currently, high fructose syrup and maltose are widely used in beverage, baked goods processing, dairy processing, condiment production, candy and preserve production, and wine manufacturing.

[0003] For these applications, the optimal storage temperature for most high-fructose corn syrups and maltose (e.g., F55 fructose) is between 25°C and 40°C. High-fructose corn syrup is prone to crystallization at low temperatures (e.g., below 25°C), posing challenges for long-distance transportation at low temperatures. For instance, when transporting high-fructose corn syrup and maltose over long distances in containers or tank trucks, the temperature of the syrup inside the container gradually decreases. Upon arrival at the destination, the decreased temperature and increased viscosity affect unloading speed, and the temperature drop causes some syrup to crystallize, failing to meet the buyer's quality requirements.

[0004] The current solution is to place heating pads at the bottom or around the tanks used to transport the syrup, thereby heating the tanks during transport to ensure that the fructose is kept at the optimal storage temperature.

[0005] However, the existing method of heating the syrup by placing a heating pad at the bottom of the syrup tank is costly. Long-distance transportation requires continuous heating of the container holding the syrup, which consumes energy and also affects the sensory color of the syrup. Considering cost and quality, this method is not feasible.

[0006] Therefore, there is a need for equipment that enables cross-regional and long-distance transportation of syrup. This equipment controls the temperature to a target temperature range of 25°C to 40°C during syrup loading and unloading, so that the syrup can meet the ideal efficiency and quality requirements during loading and unloading, thereby improving the loading speed and unloading efficiency. Utility Model Content

[0007] The purpose of this invention is to provide an interlocked heat exchange device for bidirectional loading and unloading of fructose syrup, which solves the problems of temperature rise and fall of fructose syrup during loading, unloading and transportation, and greatly improves its working efficiency.

[0008] To solve the above-mentioned technical problems, this utility model provides an interlocked heat exchange device for bidirectional loading and unloading of fructose syrup, including a loading / unloading pump, a heat exchanger, and a fructose syrup storage tank. The heat exchanger is connected to a cooling water tank via a first cooling water delivery pipe and has a second cooling water delivery pipe at its output end. The cooling water tank delivers cooling water to the heat exchanger via the first cooling water delivery pipe, and after heat exchange, the water is output via the second cooling water delivery pipe. The heat exchanger is connected to a steam source via a steam delivery pipe. The steam source outputs high-temperature steam to the heat exchanger via the steam delivery pipe, and after heat exchange with the heat exchanger, the condensate generated by the heat exchanger is output via a condensate pipe located in the heat exchanger. The heat exchanger and the... A first fructose syrup delivery pipe and a second fructose syrup delivery pipe are connected between fructose syrup storage tanks. The fructose syrup stored in the storage tanks is output to the heat exchanger through the first fructose syrup delivery pipe, where it undergoes heat exchange. Then, it is output back to the storage tank through the second fructose syrup delivery pipe, thus maintaining the fructose syrup in the storage tank within a predetermined temperature range. The loading and unloading pump is connected to the heat exchanger via a fructose loading and unloading pipe, which is used to deliver the fructose syrup to the storage tank through at least one of the fructose loading and unloading pipe and the first and second fructose syrup delivery pipes. The pump then undergoes heat exchange in the heat exchanger, maintaining the fructose syrup within a predetermined temperature range during loading and unloading.

[0009] The system also includes a first cooling water temperature sensor installed in the first cooling water conveying pipeline, a second cooling water temperature sensor installed in the second cooling water conveying pipeline, a fructose syrup loading and unloading temperature sensor and a first fructose flow meter installed in the fructose loading and unloading pipeline, and a first fructose temperature sensor and a second fructose liquid flow meter installed in the first fructose syrup conveying pipeline. The first fructose flow meter is located on the side of the fructose syrup loading and unloading temperature sensor away from the heat exchanger, and the second fructose liquid flow meter is located between the first fructose temperature sensor and the fructose syrup storage tank.

[0010] The system also includes a cooling water valve located in the first cooling water conveying pipeline and between the first cooling water temperature sensor and the heat exchanger; a cooling water regulating valve located in the second cooling water conveying pipeline and away from the heat exchanger from the second cooling water temperature sensor; a sugar solution valve located in the fructose loading and unloading pipeline and between the first fructose flow meter and the loading and unloading pump; a sugar solution regulating valve located in the first fructose syrup conveying pipeline and between the first fructose temperature sensor and the heat exchanger; a second sugar solution regulating valve located in the second fructose syrup conveying pipeline; a steam regulating valve located in the steam conveying pipeline; and a condensate drain valve located in the condensate pipeline.

[0011] It also includes a main loading and unloading valve for controlling the on / off state of the second fructose syrup loading and unloading pipeline, which is located on the loading and unloading pump away from the heat exchanger, and a pump frequency controller. The pump frequency controller is used to control the pump frequency of the loading and unloading pump according to preset rules based on the detection data of the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading and unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose syrup flow meter.

[0012] The output end of the steam conveying pipe is located in the second cooling water conveying pipe and between the second cooling water temperature sensor and the cooling water regulating valve. The input end of the condensate pipe is located in the first cooling water conveying pipe and between the heat exchanger and the cooling water valve. When the heat exchanger is in the refrigeration heat exchange process, the steam regulating valve and the condensate drain valve are in the closed state, while the cooling water regulating valve and the cooling water valve are in the working state. When the heat exchanger is in the heating heat exchange process, the steam regulating valve and the condensate drain valve are in the working state, while the cooling water regulating valve and the cooling water valve are in the closed state.

[0013] It also includes a display connected to the first cooling water temperature sensor, the cooling water valve, the second cooling water temperature sensor, the cooling water regulating valve, the first fructose flow meter, the sugar solution valve, the first fructose temperature sensor, the sugar solution regulating valve, the steam regulating valve, the condensate drain valve, the main loading and unloading valve, the syrup level gauge, and the loading and unloading pump, for displaying the sensor detection data, valve status, and related pipeline operating status of the relevant devices.

[0014] It also includes a PLC controller connected to the display, used to control the operating status of the cooling water valve, the cooling water regulating valve, the sugar solution valve, the steam regulating valve, the condensate drain valve, and the main loading and unloading valve based on sensor detection data, valve status, related pipeline operating status, and external control commands from the display or related devices.

[0015] It also includes a parameter setter connected to the PLC controller, used to set the threshold for changing the operating status of the cooling water valve, the cooling water regulating valve, the sugar solution valve, the sugar solution regulating valve, the steam regulating valve, the condensate drain valve, and the main loading and unloading valve in different states.

[0016] It also includes an alarm emergency stop protector connected to the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading and unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose liquid flow meter. This protector is used to determine whether the loading and unloading of fructose syrup has been completed based on the detection data from the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading and unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose liquid flow meter, and to output an alarm signal after determining that the loading and unloading of fructose syrup has been completed.

[0017] The heat exchanger is either a plate heat exchanger or a tubular heat exchanger.

[0018] The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided in this embodiment of the invention has the following advantages compared with the prior art:

[0019] The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided in this embodiment of the invention uses a cooling water tank and a steam source to exchange heat with the heat exchanger. This ensures that the fructose syrup is kept within a predetermined temperature range during loading, unloading, and transportation by exchanging heat through relevant pipelines and the heat exchanger. In other words, the heat exchanger can be used as both a heating plate heat exchanger and a cooling plate heat exchanger. By changing the input medium of the heat exchanger and the forward and reverse inputs of the loading and unloading pump, a bidirectional interlocked heat exchange process is achieved, reducing human intervention, improving loading and unloading efficiency, reducing personnel input, lowering labor intensity, and increasing loading and unloading efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of one embodiment of the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided by this utility model;

[0022] Among them, 101-loading and unloading pump, 20-heat exchanger, 30-fructose syrup storage tank, 100-first cooling water conveying pipeline, 200-second cooling water conveying pipeline, 300-steam conveying pipeline, 400-condensate pipeline, 500-first fructose syrup conveying pipeline, 600-second fructose syrup conveying pipeline, 700-fructose loading and unloading pipeline, 800-second fructose syrup loading and unloading pipeline, 4-first cooling water temperature sensor, 5-second cooling water temperature sensor, 2-fructose syrup loading and unloading temperature sensor, 1-first fructose flow meter, 3-first fructose temperature sensor, 13-second fructose syrup flow meter, 9-cooling water valve, 10-cooling water regulating valve, 6-sugar syrup valve, 8-sugar syrup regulating valve, 7-second sugar syrup regulating valve, 11-steam regulating valve, 12-condensate drain valve, 801-main loading and unloading valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please refer to Figure 1 , Figure 1 This is a schematic diagram of one embodiment of the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided by this utility model.

[0025] In one specific embodiment, the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup includes a loading / unloading pump 101, a heat exchanger 20, and a fructose syrup storage tank 30. The heat exchanger 20 is connected to a cooling water tank via a first cooling water delivery pipe 100, and a second cooling water delivery pipe 200 is provided at its output end. The cooling water tank delivers cooling water to the heat exchanger 20 via the first cooling water delivery pipe 100, and after heat exchange, the water is output via the second cooling water delivery pipe 200. The heat exchanger 20 is connected to a steam source via a steam delivery pipe 300. The steam source outputs high-temperature steam to the heat exchanger 20 via the steam delivery pipe 300, and after heat exchange with the heat exchanger 20, the condensate generated by the heat exchanger 20 is output via a condensate pipe 400 provided in the heat exchanger 20. The heat exchanger 20 and the fructose syrup storage tank are connected. A first fructose syrup conveying pipe 500 and a second fructose syrup conveying pipe 600 are connected between the storage tanks 30. The fructose syrup stored in the storage tank 30 is output to the heat exchanger 20 through the first fructose syrup conveying pipe 500 and undergoes heat exchange treatment with the heat exchanger 20. Then, it is output to the fructose syrup storage tank 30 through the second fructose syrup conveying pipe 600, so that the fructose syrup in the storage tank 30 is maintained within a predetermined temperature range. The loading and unloading pump 101 is connected to the heat exchanger 20 through a fructose loading and unloading pipe 700, and is used to convey the fructose syrup to the storage tank 30 through the fructose loading and unloading pipe 700 and at least one of the first fructose syrup conveying pipe 500 and the second fructose syrup conveying pipe 600, and undergoes heat exchange treatment in the heat exchanger 20, so that the fructose syrup is maintained within a predetermined temperature range during the loading and unloading process.

[0026] By using a cooling water tank and a steam source to exchange heat with the heat exchanger 20, heat exchange is achieved through related pipelines during the loading, unloading, and transportation of fructose syrup. This ensures that the fructose syrup remains within a predetermined temperature range. In other words, the heat exchanger 20 can be used as both a heating plate heat exchanger and a cooling plate heat exchanger. By changing the input medium of the heat exchanger 20 and the forward and reverse inputs of the loading and unloading pump 101, a bidirectional interlocking heat exchange process is achieved, reducing human intervention, improving loading and unloading efficiency, reducing personnel input, lowering labor intensity, and increasing loading and unloading efficiency.

[0027] To further monitor the status of the entire syrup loading, unloading, and transportation process, in one embodiment, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes a first cooling water temperature sensor 4 installed in the first cooling water conveying pipeline 100, a second cooling water temperature sensor 5 installed in the second cooling water conveying pipeline 200, a fructose syrup loading and unloading temperature sensor 2 and a first fructose flow meter 1 installed in the fructose loading and unloading pipeline 700, and a first fructose temperature sensor 3 and a second fructose liquid flow meter 13 installed in the first fructose syrup conveying pipeline 500. The first fructose flow meter 1 is located on the side of the fructose syrup loading and unloading temperature sensor 2 away from the heat exchanger 20, and the second fructose liquid flow meter 13 is located between the first fructose temperature sensor 3 and the fructose syrup storage tank 30.

[0028] By setting a first cooling water temperature sensor 4 and a second cooling water temperature sensor 5, the temperature of the cooling water before and after cooling the heat exchanger 20 can be obtained, and the cooling effect can be detected. Similarly, by setting a fructose syrup loading and unloading temperature sensor 2, a first fructose flow meter 1, a first fructose temperature sensor 3, and a second fructose liquid flow meter 13, information such as temperature and flow rate before and after the loading and unloading process of fructose syrup can be obtained, providing accurate loading and unloading status and heat exchange status, and improving loading and unloading efficiency.

[0029] This application does not limit the location, type, or quantity of the aforementioned temperature sensors and flow meters.

[0030] To further improve the control of the input and output states of cooling water, and to accurately control the state of sugar syrup delivery, in one embodiment, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes a cooling water valve 9 disposed in the first cooling water delivery pipeline 100 and located between the first cooling water temperature sensor 4 and the heat exchanger 20; a cooling water regulating valve 10 disposed in the second cooling water delivery pipeline 200 and located away from the heat exchanger 20 from the second cooling water temperature sensor 5; a sugar syrup valve 6 disposed in the fructose loading and unloading pipeline 700 and located between the first fructose flow meter 1 and the loading and unloading pump 101; a sugar syrup regulating valve 8 disposed in the first fructose syrup delivery pipeline 500 and located between the first fructose temperature sensor 3 and the heat exchanger 20; a second sugar syrup regulating valve 7 disposed in the second fructose syrup delivery pipeline 600; a steam regulating valve 11 disposed in the steam delivery pipeline 300; and a condensate drain valve 12 disposed in the condensate pipeline 400.

[0031] By setting valves and regulating valves in the relevant pipelines, precise control can be achieved over the heat exchange and flow rate of the corresponding connected equipment.

[0032] It should be noted that the valves and regulating valves in the relevant pipelines mentioned above can be used in this application, or the control can be carried out at the source, or by pressurizing or depressurizing them.

[0033] For example, regarding cooling water, if the input temperature remains constant but the output temperature rises too quickly, it indicates that a lot of heat has been absorbed during the heat exchange process. In this case, the supply of cooling water can be increased appropriately. Conversely, if the temperature rise is low and does not reach the expected set value, it indicates that not enough heat has been absorbed and too much cooling water has been introduced. In this case, the supply of cooling water can be reduced. Alternatively, the temperature of the cooling water can be appropriately cooled in the cooling water tank to make the temperature too low, or the cooling power can be reduced to increase the cooling water temperature. Similarly, the flow rate and steam temperature can be adjusted when introducing high-temperature steam.

[0034] In addition, given a fixed heat exchange capacity, the flow rate of syrup through heat exchanger 20 can also be adjusted. For example, when heat exchanger 20 is used for refrigeration, by detecting the temperature of the syrup before and after entering heat exchanger 20, if the temperature of the syrup passing through heat exchanger 20 is too high, it indicates that too much syrup is being introduced, resulting in poor refrigeration. Conversely, if the temperature of the syrup passing through heat exchanger 20 is too low, it indicates excessive refrigeration, and the flow rate of syrup can be increased.

[0035] To achieve automation and intelligence in loading and unloading, in one embodiment, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes a second fructose syrup loading and unloading pipeline 800 disposed on the loading and unloading pump 101 away from the heat exchanger 20, a main loading and unloading valve 801 for controlling the on / off state of the second fructose syrup loading and unloading pipeline 800, and a pump frequency controller. The pump frequency controller is used to control the pump frequency of the loading and unloading pump 101 according to preset rules based on the detection data of the first cooling water temperature sensor 4, the second cooling water temperature sensor 5, the fructose syrup loading and unloading temperature sensor 2, the first fructose flow meter 1, the first fructose temperature sensor 3, and the second fructose syrup flow meter 13.

[0036] The main loading and unloading valve 801 controls the on / off state of the second fructose syrup loading and unloading pipeline 800. The pump frequency controller controls the pump frequency of the loading and unloading pump 101 based on the detection data obtained from all temperature sensors and flow meters, thereby improving the accuracy of syrup loading and unloading.

[0037] To improve the utilization efficiency of the pipeline, in one embodiment, the output end of the steam conveying pipeline 300 is located in the second cooling water conveying pipeline 200 and between the second cooling water temperature sensor 5 and the cooling water regulating valve 10. The input end of the condensate pipeline 400 is located in the first cooling water conveying pipeline 100 and between the heat exchanger 20 and the cooling water valve 9. When the heat exchanger 20 is in the cooling heat exchange process, the steam regulating valve 11 and the condensate drain valve 12 are in the closed state, and the cooling water regulating valve 10 and the cooling water valve 9 are in the working state. When the heat exchanger 20 is in the heating heat exchange process, the steam regulating valve 11 and the condensate drain valve 12 are in the working state, and the cooling water regulating valve 10 and the cooling water valve 9 are in the closed state.

[0038] By selecting different pipelines under different conditions, the utilization efficiency of related pipelines is improved. For example, the first cooling water supply pipeline 100 in the cooling state can be used as the condensate water pipeline 400 in the heating state. Similarly, the number of pipelines is reduced during pipeline installation and maintenance to increase pipeline maintenance efficiency.

[0039] This application includes, but is not limited to, the pipe connection methods described above.

[0040] To improve equipment management efficiency, in one embodiment, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes a display connected to the first cooling water temperature sensor 4, the cooling water valve 9, the second cooling water temperature sensor 5, the cooling water regulating valve 10, the first fructose flow meter 1, the sugar solution valve 6, the first fructose temperature sensor 3, the sugar solution regulating valve 8, the steam regulating valve 11, the condensate drain valve 12, the main loading and unloading valve, the syrup level gauge, and the loading and unloading pump 101, for displaying sensor detection data, valve status, and related pipeline operating status of the relevant devices.

[0041] The display shows the detection data from relevant sensors and the status of valves, providing the current loading and unloading status. The control status obtained from the control commands is then converted into a pipeline diagram, improving management efficiency.

[0042] This application does not limit the display or the corresponding display state.

[0043] To further improve the control status of related equipment, in one embodiment, the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup also includes a PLC controller connected to a display, used to control the operating status of the cooling water valve 9, the cooling water regulating valve 10, the sugar syrup valve 6, the sugar syrup regulating valve 8, the steam regulating valve 11, the condensate drain valve 12, and the main loading and unloading valve according to the sensor detection data, valve status, related pipeline operating status, and external control commands of the display or related devices.

[0044] By using a PLC controller, the status of relevant valves can be controlled, and the corresponding pipelines for those valves can be selected, thereby improving control efficiency and accuracy.

[0045] This application includes, but is not limited to, using a PLC controller; other types of controllers may also be used.

[0046] To further meet the loading and unloading requirements of different fructoses, in one embodiment, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes a parameter setter connected to the PLC controller, used to set the operating status change thresholds of the cooling water valve 9, the cooling water regulating valve 10, the sugar solution valve 6, the sugar solution regulating valve 8, the steam regulating valve 11, the condensate drain valve 12, and the main loading and unloading valve in different states.

[0047] By setting the parameters of valves in different states, the on / off states of different pipelines can be controlled, thereby improving control efficiency.

[0048] This application does not limit the data setting method of the parameter setter. It can be set on-site or remotely. Parameters can be set under specific pipeline conditions, and data such as pump frequency can be set for corresponding pipeline conditions and temperature conditions, thereby improving control efficiency.

[0049] To further improve loading and unloading efficiency, in one embodiment of this application, the interlocking heat exchange device for bidirectional loading and unloading of fructose syrup further includes an alarm emergency stop protector connected to the first cooling water temperature sensor 4, the second cooling water temperature sensor 5, the fructose syrup loading and unloading temperature sensor 2, the first fructose flow meter 1, the first fructose temperature sensor 3, and the second fructose liquid flow meter 13. This protector is used to determine whether the loading and unloading of fructose syrup has been completed based on the detection data from the first cooling water temperature sensor 4, the second cooling water temperature sensor 5, the fructose syrup loading and unloading temperature sensor 2, the first fructose flow meter 1, the first fructose temperature sensor 3, and the second fructose liquid flow meter 13, and to output an alarm signal after determining that the loading and unloading of fructose syrup has been completed.

[0050] The alarm emergency stop protector determines whether the loading and unloading of fructose syrup has been completed based on the detection data from the first cooling water temperature sensor 4, the second cooling water temperature sensor 5, the fructose syrup loading and unloading temperature sensor 2, the first fructose flow meter 1, the first fructose temperature sensor 3, and the second fructose liquid flow meter 13. After determining that the loading and unloading of fructose syrup has been completed, it outputs an alarm signal to realize automatic loading and unloading stop, and also notifies relevant personnel. This avoids the input and output of air, thereby reducing the temperature fluctuation of the syrup and improving its temperature control.

[0051] This application employs a heat exchanger for heat exchange operations. The heat exchanger can be a plate heat exchanger, a tube heat exchanger, or other types of heat exchangers. Structurally, it can be a floating head heat exchanger, a fixed tube sheet heat exchanger, a U-tube sheet heat exchanger, a plate heat exchanger, etc.

[0052] Heat exchangers are classified according to different media, operating conditions, temperatures, and pressures. For example, according to their structural type, they can include indirect heat exchangers, which include shell-and-tube, coaxial, and other types of heat exchangers.

[0053] A regenerative heat exchanger uses a solid material as a heat storage medium to transfer heat from a high-temperature fluid to a low-temperature fluid. The hot medium first passes through the solid material to reach a certain temperature, and then the cold medium passes through the solid material to be heated, thus achieving the purpose of heat transfer. Regenerative heat exchangers include rotary and valve-switching types.

[0054] A fluid-connected indirect heat exchanger is a heat exchanger that connects two surface heat exchangers by a heat transfer medium circulating within them. The heat transfer medium circulates between the high-temperature fluid heat exchanger and the low-temperature fluid, receiving heat in the high-temperature fluid and releasing heat to the low-temperature fluid in the low-temperature fluid heat exchanger.

[0055] Direct contact heat exchangers, also known as mixing heat exchangers, are devices in which two fluids come into direct contact and mix to exchange heat. Examples include cooling towers and gas condensers.

[0056] The duplex heat exchanger combines two heat exchange methods: indirect surface heat exchange (steam-water) and direct mixed-flow heat exchange (water-water). Compared to indirect surface heat exchange, it has higher heat exchange efficiency; compared to direct mixed-flow heat exchange, it has higher stability and lower unit noise.

[0057] In one embodiment, the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup includes a loading / unloading pump 101, a plate heat exchanger 20, a first sugar solution flow meter 1, a second sugar solution thermometer 2, a first sugar solution thermometer 3, a first cooling water thermometer 4, a second cooling water thermometer 5, a sugar solution valve 6, a second sugar solution valve 7, a sugar solution regulating valve 8, a cooling water valve 9, a cooling water regulating valve 10, a steam regulating valve 11, a condensate drain valve 12, a second sugar solution flow meter 13, and all auxiliary pipelines. This enables the loading / unloading vehicle to achieve automatic temperature and flow control.

[0058] During the loading process, the loading pump 101 passes through a plate heat exchanger and then through a first sugar solution thermometer 3 and a second sugar solution flow meter 13. If the temperature detected by the first sugar solution thermometer 3 is higher or lower than the set requirement, the loading pump will automatically adjust the pump frequency according to the temperature value, so that the corresponding flow meter and flow meter are lowered or raised.

[0059] The two-way interlocking of the above scheme is mainly reflected in the control of the loading and unloading process; the sugar solution can be divided into heating or cooling state during loading, while unloading is generally reflected in the storage under cooling state; the two-way interlocking is mainly achieved by thermometers, temperature sensors, pressure sensors, pressure gauges, pump frequency and audible and visual alarm systems.

[0060] Whether to heat or cool down before loading depends on the customer's needs. If the customer needs to store the sugar for a long time or uses it in small quantities over a long period, they can choose to load it while cooling down. If the customer has a large demand or the sugar has a high density, they need to load it while heating up, because if the density is high, the loading speed will be very slow if the temperature is low.

[0061] Automatic pump frequency adjustment is actually a protection system. It is a safe operation within the allowable range of loading pressure. At the same time, the use of pump frequency and flow meter can also be used to calculate the loading capacity.

[0062] The cooling water used in this application is for cooling and extending the storage period of the sugar solution; the cooling water regulating valve and temperature sensor are used to control the temperature more accurately and within a smaller range to meet the customer's supply needs; the temperature is high or low depending on the customer's needs, cooling water is used to cool down when the temperature is high, and steam is used to heat up when the temperature is low.

[0063] Different transportation methods are selected based on different transportation requirements. Generally, temperature changes during transportation are not considered. For example, large tank containers usually have insulation systems, so temperature changes are minimal during long-distance transportation. However, small tank containers do not have such operating conditions.

[0064] The protective devices in an alarm and emergency stop system mainly rely on pressure sensors, pump frequency sensors, temperature sensors, the opening degree of regulating valves, and flow meters. The situations can be categorized as follows:

[0065] Excessive pressure during loading and unloading will trigger the alarm emergency stop system. Overpressure during loading and unloading can cause the loading and unloading pipeline to rupture, resulting in leakage and unnecessary losses.

[0066] Mismatched loading and unloading temperatures: If the temperature is too high or too low during loading and unloading, it may be because the cooling system and heating system do not meet the loading and unloading conditions, which may also trigger the alarm emergency stop system (mainly manifested in high cooling water temperature, unsatisfactory cooling effect or sudden stop of steam, and interruption of heating process).

[0067] If an alarm is triggered, the operator can take appropriate action based on the above alarm information.

[0068] The aforementioned plate heat exchanger can be used as both a heating plate heat exchanger and a cooling plate heat exchanger. By changing the input medium of the plate heat exchanger and the forward and reverse input of the loading and unloading pump, the device can achieve a bidirectional interlocking heat exchange process.

[0069] In summary, the interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided in this embodiment of the present invention, by setting up a cooling water tank and a steam source to exchange heat with the heat exchanger, achieves heat exchange treatment through related pipelines and heat exchangers during the loading, unloading and transportation of fructose syrup, ensuring that the fructose syrup is maintained within a predetermined temperature range. That is, the heat exchanger can be used as a heating plate heat exchanger as well as a cooling plate heat exchanger. By changing the input medium of the heat exchanger and the forward and reverse input of the loading and unloading pump, a bidirectional interlocked heat exchange process is realized, reducing human intervention, improving loading and unloading efficiency, reducing personnel input, reducing labor intensity and improving loading and unloading efficiency.

[0070] The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A bidirectional loading and unloading interlocked heat exchange device for fructose syrup, characterized in that, The system includes a loading / unloading pump, a heat exchanger, and a fructose syrup storage tank. The heat exchanger is connected to a cooling water tank via a first cooling water supply pipe and has a second cooling water supply pipe at its output end. The cooling water tank supplies cooling water to the heat exchanger via the first cooling water supply pipe, and after heat exchange, the water is output via the second cooling water supply pipe. The heat exchanger is connected to a steam source via a steam supply pipe. The steam source supplies high-temperature steam to the heat exchanger via the steam supply pipe, and after heat exchange, the condensate generated from the heat exchanger is output via a condensate pipe located on the heat exchanger. The heat exchanger is connected to the fructose syrup storage tank. The system is equipped with a first fructose syrup conveying pipe and a second fructose syrup conveying pipe. Fructose syrup stored in the fructose syrup storage tank is output to the heat exchanger via the first fructose syrup conveying pipe. After heat exchange with the heat exchanger, the syrup is then output to the fructose syrup storage tank via the second fructose syrup conveying pipe, thus maintaining the fructose syrup in the storage tank within a predetermined temperature range. The loading / unloading pump is connected to the heat exchanger via a fructose loading / unloading pipe, and is used to convey syrup to the fructose syrup storage tank via the fructose loading / unloading pipe and at least one of the first and second fructose syrup conveying pipes, where it undergoes heat exchange in the heat exchanger, ensuring the fructose syrup is maintained within a predetermined temperature range. The sugar syrup is maintained within a predetermined temperature range during loading and unloading. This includes a first cooling water temperature sensor installed in the first cooling water delivery pipe, a second cooling water temperature sensor installed in the second cooling water delivery pipe, a fructose syrup loading and unloading temperature sensor and a first fructose flow meter installed in the fructose loading and unloading pipe, and a first fructose temperature sensor and a second fructose liquid flow meter installed in the first fructose syrup delivery pipe. The first fructose flow meter is located on the side of the fructose syrup loading and unloading temperature sensor away from the heat exchanger, and the second fructose liquid flow meter is located between the first fructose temperature sensor and the fructose syrup storage tank. The system also includes a device installed in the first cooling water delivery pipe... The system includes: a cooling water valve located between the first cooling water temperature sensor and the heat exchanger in the pipeline; a cooling water regulating valve located in the second cooling water conveying pipeline away from the heat exchanger and located between the second cooling water temperature sensor and the heat exchanger; a sugar solution valve located in the fructose loading and unloading pipeline between the first fructose flow meter and the loading and unloading pump; a sugar solution regulating valve located in the first fructose syrup conveying pipeline between the first fructose temperature sensor and the heat exchanger; a second sugar solution regulating valve located in the second fructose syrup conveying pipeline; a steam regulating valve located in the steam conveying pipeline; and a condensate drain valve located in the condensate pipeline.It also includes a second fructose syrup loading / unloading pipeline disposed away from the heat exchanger at the loading / unloading pump, a main loading / unloading valve for controlling the on / off state of the second fructose syrup loading / unloading pipeline, and a pump frequency controller. The pump frequency controller is used to control the pump frequency of the loading / unloading pump according to preset rules based on the detection data of the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading / unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose syrup flow meter.

2. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 1, characterized in that, The output end of the steam conveying pipe is located in the second cooling water conveying pipe and between the second cooling water temperature sensor and the cooling water regulating valve. The input end of the condensate pipe is located in the first cooling water conveying pipe and between the heat exchanger and the cooling water valve. When the heat exchanger is in the refrigeration heat exchange process, the steam regulating valve and the condensate drain valve are in the closed state, and the cooling water regulating valve and the cooling water valve are in the working state. When the heat exchanger is in the heating heat exchange process, the steam regulating valve and the condensate drain valve are in the working state, and the cooling water regulating valve and the cooling water valve are in the closed state.

3. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 2, characterized in that, It also includes a display connected to the first cooling water temperature sensor, the cooling water valve, the second cooling water temperature sensor, the cooling water regulating valve, the first fructose flow meter, the sugar solution valve, the first fructose temperature sensor, the sugar solution regulating valve, the steam regulating valve, the condensate drain valve, the main loading and unloading valve, the syrup level gauge, and the loading and unloading pump, for displaying the sensor detection data, valve status, and related pipeline operating status of the relevant devices.

4. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 3, characterized in that, It also includes a PLC controller connected to a display, used to control the operating status of the cooling water valve, the cooling water regulating valve, the sugar solution valve, the steam regulating valve, the condensate drain valve, and the main loading and unloading valve based on sensor detection data, valve status, related pipeline operating status, and external control commands from the display or related devices.

5. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 4, characterized in that, It also includes a parameter setter connected to the PLC controller, used to set the operating status change thresholds for the cooling water valve, the cooling water regulating valve, the sugar solution valve, the sugar solution regulating valve, the steam regulating valve, the condensate drain valve, and the main loading and unloading valve in different states.

6. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 5, characterized in that, It also includes an alarm emergency stop protector connected to the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading and unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose liquid flow meter. This protector is used to determine whether the loading and unloading of fructose syrup has been completed based on the detection data from the first cooling water temperature sensor, the second cooling water temperature sensor, the fructose syrup loading and unloading temperature sensor, the first fructose flow meter, the first fructose temperature sensor, and the second fructose liquid flow meter, and to output an alarm signal after determining that the loading and unloading of fructose syrup has been completed.

7. The interlocked heat exchange device for bidirectional loading and unloading of fructose syrup as described in claim 6, characterized in that, The heat exchanger is a plate heat exchanger or a tubular heat exchanger.

Images