Heating system utilizing waste heat of steam box

Abstract

The utility model discloses a heating system utilizing waste heat of a steam box, which relates to the technical field of heating and is characterized in that a steam box waste heat discharge device is connected with a steam outlet of the steam box, a heat exchanger is arranged in the steam box waste heat discharge device, softened cold water is stored in a water softening tank, and a water delivery pump is respectively connected with the water softening tank, a temperature control valve and a water inlet of the heat exchanger. A water outlet of the heat exchanger is connected with the temperature control valve, the heat exchanger heats cold water through steam waste heat of the steam box, and the temperature control valve is connected with the steam box through a pipeline. Soft water is heated through waste heat of the steam box, a special heating device does not need to be arranged for heating cold water, and energy is saved; the heat exchanger and the steam box waste heat discharging device beside the steam box are combined to heat cold water, the temperature control valve adjusts the proportion of hot water and cold water, water reaching the set temperature is directly input into the steam box, the distance of the hot water conveyed to the steam box is shortened, heat loss is reduced, and the deviation between the actual temperature of the hot water conveyed into the steam box and the set temperature is reduced.

Description

Technical Field

[0001] The present application relates to the field of heating technology, and in particular to a heating system utilizing waste heat from a steamer. Background Art

[0002] Instant noodles need to be steamed during the production process, and this process is carried out in a continuous noodle steamer. The steaming process is mainly to improve the gelatinization degree of the noodles. With the iteration of products, the quality requirements of products continue to increase. In order to improve the gelatinization degree of noodles, it is necessary to increase the humidity inside the steamer. For this reason, we introduce hot water spray above 75°C into the steamer to increase the humidity inside the steamer, increase the gelatinization degree of noodles, and improve the quality of noodles.

[0003] During normal production, the steamer requires process water above 75°C, which is pressurized by a pump and enters the steamer through a nozzle. The existing implementation method is to heat the water to the set temperature in a hot water tank dedicated to steam heating, and then pressurize it with a pump to be delivered to the steamers of each line for use. During this process, due to the different distances between the lines and the hot water tank, heat loss will occur. The actual temperature of the hot water reaching the production line deviates greatly from the set temperature, and main steam needs to be consumed to heat the hot water, which consumes energy.

[0004] Therefore, how to save energy and how to reduce the deviation between the actual temperature of the hot water delivered to the steamer and the set temperature are problems that need to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this application is to provide a heating system that utilizes the waste heat of the steamer to solve the problem that the actual temperature of the hot water arriving at the production line deviates greatly from the set temperature, and main steam needs to be consumed to heat the hot water, consuming energy.

[0006] To solve the above technical problems, the present application provides a heating system utilizing waste heat from a steamer, comprising: a soft water tank, a water transfer pump, a steamer, a steamer waste heat discharge device, a heat exchanger, and a temperature control valve;

[0007] The steamer waste heat discharge device is connected to the steam outlet of the steamer, the heat exchanger is arranged in the steamer waste heat discharge device, the soft water tank stores softened cold water, the water delivery pump is respectively connected to the soft water tank, the temperature control valve and the water inlet of the heat exchanger, the water outlet of the heat exchanger is connected to the temperature control valve, the heat exchanger uses the waste heat of the steam in the steamer to heat the cold water, the temperature control valve is connected to the steamer through a pipeline, and the temperature control valve is used to adjust the ratio of hot water to cold water.

[0008] Optionally, it also includes a flow meter, a pressure gauge, a thermometer and a data collection terminal, wherein the flow meter, the pressure gauge and the thermometer are arranged on the pipeline connecting the temperature control valve and the steamer, and the data collection terminal is respectively communicated with the flow meter, the pressure gauge, the thermometer and the temperature control valve.

[0009] Optionally, the steam box waste heat discharge device includes a steam channel and a chimney, and the steam channel is connected to the steam outlet of the steam box and the chimney respectively.

[0010] Optionally, the heat exchanger is a heating coil.

[0011] Optionally, the heating coil is arranged in an S shape in the steam channel, and the heating coil extends from one end close to the steamer to one end close to the chimney. The end of the heating coil close to the chimney is connected to the water pump through a pipe, and the end of the heating coil close to the steamer is connected to the temperature control valve through a pipe.

[0012] Optionally, the heating coil is spirally arranged in the chimney, the water pump is connected to one end of the heating coil through a pipeline through the opening of the chimney, and the temperature control valve is connected to the other end of the heating coil through a pipeline.

[0013] Optionally, the surface of the pipeline between the temperature control valve and the steamer is wrapped with an insulation layer.

[0014] Optionally, a plurality of nozzles are provided on the top of the steam box, and the temperature control valves are respectively connected to the nozzles through pipelines.

[0015] Optionally, an alarm device connected to the data collection terminal is also included.

[0016] Optionally, it further includes a water storage tank and a softening treatment device, and the softening treatment device is connected to the water storage tank and the soft water tank respectively.

[0017] The present application provides a heating system utilizing waste heat from a steamer, comprising: a soft water tank, a water delivery pump, a steamer, a steamer waste heat discharge device, a heat exchanger, and a temperature control valve; the steamer waste heat discharge device is connected to the steam outlet of the steamer, the heat exchanger is arranged in the steamer waste heat discharge device, the soft water tank stores softened cold water, the water delivery pump is connected to the water inlet of the soft water tank, the temperature control valve, and the heat exchanger respectively, the water outlet of the heat exchanger is connected to the temperature control valve, the heat exchanger utilizes the waste heat of steam from the steamer to heat the cold water, the temperature control valve is connected to the steamer through a pipeline, and the temperature control valve is used to adjust the ratio of hot water to cold water. The waste heat of the steamer is used to heat the soft water. There is no need to set up a special heating device to heat the cold water. The excess waste heat of the steamer is fully utilized to save energy. The heat exchanger and the steamer waste heat discharge device next to the steamer are combined to heat the cold water. The ratio of hot water and cold water is then adjusted by the temperature control valve. The water that reaches the set temperature is directly input into the steamer. The distance that the hot water is transported to the steamer is shortened, which reduces heat loss and reduces the deviation between the actual temperature of the hot water transported to the steamer and the set temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 A structural diagram of a traditional heating system provided in an embodiment of the present application;

[0020] Figure 2 A structural diagram of a first heating system utilizing steamer waste heat provided in an embodiment of the present application;

[0021] Figure 3 A structural diagram of a second heating system utilizing steamer waste heat provided in an embodiment of the present application;

[0022] The figures are marked as follows: 1-steam heating pipe, 2-hot water tank, 3-water pump, 4-steam box, 5-soft water tank, 6-heat exchanger, 7-temperature control valve, 8-pressure gauge, 9-flow meter, 10-data collection terminal, 11-steam channel, 12-chimney. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0024] Figure 1 A structural diagram of a traditional heating system provided in an embodiment of the present application is shown in FIG. Figure 1 As shown, the system primarily comprises a hot water tank 2, a steam heating pipe 1 connected to the hot water tank 2, a steamer 4, and a water pump 3 connected to the steamer 4 and the hot water tank 2. The steam heating pipe 1 delivers high-temperature steam from the steam heating system to heat the water in the hot water tank 2. Once the water in the hot water tank 2 reaches the set temperature, it is delivered to each steamer 4 via the water pump 3. Conventional heating systems have the following problems: They use primary steam for heating, consuming energy; and the long distance between the steamer 4 and the hot water tank 2 results in heat loss, resulting in a significant deviation between the actual temperature of the hot water entering the steamer 4 and the set temperature.

[0025] Hot water tank 2: A temporary hot water storage tank that uses a steam heating system to heat soft water.

[0026] Soft water tank 5: A water storage tank that temporarily stores tap water / well water after it has been softened using activated carbon, reverse osmosis, or other devices.

[0027] Temperature control valve 7: A regulation system that can achieve the set temperature by adjusting the ratio of cold and hot water. It can be adjusted manually or automatically in combination with a temperature sensor.

[0028] The core of this application is to provide a heating system that utilizes the waste heat of a steamer to save energy and reduce the deviation between the actual temperature of the hot water delivered to the steamer and the set temperature.

[0029] In order to enable those skilled in the art to better understand the present application, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0030] Figure 2 This is a structural diagram of the first heating system using steamer waste heat provided in an embodiment of the present application. Figure 3 The structural diagram of the second heating system using steamer waste heat provided in the embodiment of the present application is as follows: Figure 2 and Figure 3 As shown, the heating system using the waste heat of the steamer includes: a soft water tank 5, a water pump 3, a steamer 4, a steamer waste heat discharge device, a heat exchanger 6 and a temperature control valve 7; the steamer waste heat discharge device is connected to the steam outlet of the steamer 4, the heat exchanger 6 is arranged in the steamer waste heat discharge device, the soft water tank 5 stores softened cold water, the water pump 3 is connected to the soft water tank 5, the temperature control valve 7 and the water inlet of the heat exchanger 6 respectively, the water outlet of the heat exchanger 6 is connected to the temperature control valve 7, the heat exchanger 6 uses the waste heat of the steam in the steamer 4 to heat the cold water, the temperature control valve 7 is connected to the steamer 4 through a pipeline, and the temperature control valve 7 is used to adjust the ratio of hot water to cold water.

[0031] The present embodiment does not specifically limit the capacity of the soft water tank 5, and can be set according to actual needs. Figure 2 and Figure 3 Only one is shown in the figure, but there can be more than one. Accordingly, the number of steam box waste heat discharge devices, heat exchangers 6 and temperature control valves 7 matches the number of steam boxes 4. In addition, the connection and installation method between each steam box 4 and the water pump 3, steam box waste heat discharge device, heat exchanger 6 and temperature control valve 7 can refer to Figure 1 or Figure 2 The present embodiment does not specifically limit the specific structure of the steamer waste heat discharge device. Heat exchanger 6 is disposed within the steamer waste heat discharge device. Excess waste heat from steamer 4 enters the steamer waste heat discharge device to heat the cold water in heat exchanger 6. Temperature control valve 7 adjusts the ratio of hot and cold water to ensure that the water temperature meets process requirements, typically between 60°C and 95°C.

[0032] A heating system utilizing waste heat from a steamer is provided in an embodiment of the present application, comprising: a soft water tank, a water delivery pump, a steamer, a steamer waste heat discharge device, a heat exchanger, and a temperature control valve; the steamer waste heat discharge device is connected to the steam outlet of the steamer, the heat exchanger is arranged in the steamer waste heat discharge device, the soft water tank stores softened cold water, the water delivery pump is connected to the soft water tank, the temperature control valve, and the water inlet of the heat exchanger respectively, the water outlet of the heat exchanger is connected to the temperature control valve, the heat exchanger utilizes the waste heat of steam from the steamer to heat the cold water, the temperature control valve is connected to the steamer through a pipeline, and the temperature control valve is used to adjust the ratio of hot water to cold water. The waste heat of the steamer is used to heat the soft water. There is no need to set up a special heating device to heat the cold water. The excess waste heat of the steamer is fully utilized to save energy. The heat exchanger and the steamer waste heat discharge device next to the steamer are combined to heat the cold water. The ratio of hot water and cold water is then adjusted by the temperature control valve. The water that reaches the set temperature is directly input into the steamer. The distance that the hot water is transported to the steamer is shortened, which reduces heat loss and reduces the deviation between the actual temperature of the hot water transported to the steamer and the set temperature.

[0033] In addition, when multiple steamers are provided, the heating system can also separately regulate the temperature of the hot water delivered to each steamer, and can reduce the deviation between the actual temperature of the hot water in each steamer and the set temperature.

[0034] Based on the above embodiment, the embodiment of the present application also includes a flow meter 9, a pressure gauge 8, a thermometer and a data collection terminal 10. The flow meter 9, the pressure gauge 8 and the thermometer are arranged on the pipeline connecting the temperature control valve 7 and the steamer 4. The data collection terminal 10 is respectively communicated with the flow meter 9, the pressure gauge 8, the thermometer and the temperature control valve 7.

[0035] The data collection terminal 10 uses the temperature feedback from the thermometer to adjust the temperature control valve 7, ensuring that the hot water delivered to the steamer 4 meets process requirements. The collaboration between the data collection terminal 10 and the thermometer automates the control of the temperature control valve 7, saving labor costs. Feedback from the flow meter 9 and pressure gauge 8 indicates whether the pipeline or the nozzle installed in the steamer 4 is clogged, prompting staff to promptly repair or replace it. The data collection terminal 10 also records relevant historical data in real time for easy traceability.

[0036] On this basis, the top of the steamer 4 is equipped with multiple nozzles, each of which is connected to a temperature control valve 7 via a pipeline. An alarm device connected to the data collection terminal 10 is also included. The nozzles can form a water mist, ensuring a more uniform water spray. The present embodiment does not specifically limit the alarm device, which can include an indicator light and / or a buzzer. This alarm device can promptly alert personnel to abnormal temperature, flow, or pressure in the pipeline.

[0037] Based on the above embodiment, the steamer waste heat discharge device of the present embodiment includes a steam channel 11 and a chimney 12. The steam channel 11 connects the steam outlet of the steamer 4 and the chimney 12, respectively. The corresponding heat exchanger 6 can be arranged in the steam channel 11 or the chimney 12, or the heat exchanger 6 can be arranged in both the steam channel 11 and the chimney 12. The heat exchanger 6 of the present embodiment is not specifically limited. The present embodiment adopts a heating coil, which has a simple structure and low cost. Two heating coil configurations are provided below.

[0038] The first method involves an S-shaped heating coil arranged in the steam channel 11, extending from the end closest to the steamer 4 to the end closest to the chimney 12. The end closest to the chimney 12 is connected to the water pump 3 via a pipe, while the end closest to the steamer 4 is also connected to the temperature control valve 7 via a pipe. The sidewalls of the steam channel 11 may be provided with a first through-hole and a second through-hole, allowing for sealed piping to pass through the first and second through-holes, respectively, into the steam channel 11 and connect to both ends of the heating coil. The water outlet of the heating coil is located close to the steamer 4, further reducing the distance hot water must travel to reach the steamer 4 and minimizing heat loss. Steam in the steam channel 11 flows from the steamer 4 to the chimney 12, while cold water in the heating coil flows from the end closest to the chimney 12 to the end closest to the steamer 4. The cold water flows in the opposite direction of the steam flow, facilitating sufficient heating of the cold water.

[0039] The second method uses a spiral heating coil installed in chimney 12. A water pump 3 is connected to one end of the heating coil via a pipeline through the chimney 12 opening, and a temperature control valve 7 is connected to the other end of the heating coil via a pipeline. Cold water enters the heating coil from the top to the bottom of chimney 12, while steam in chimney 12 flows from the bottom to the top. This allows for the cold water to flow in opposite directions, facilitating sufficient heating of the cold water.

[0040] Based on the above embodiment, the surface of the pipe between the temperature control valve 7 and the steamer 4 in this embodiment of the present application is coated with an insulation layer. The insulation layer in this embodiment of the present application may be a polystyrene board or a foam board. The provision of the insulation layer further reduces heat loss during hot water delivery and improves the accuracy of the hot water temperature delivered to the steamer 4.

[0041] Based on the above embodiment, the present embodiment further includes a water storage tank and a softening treatment device, which are connected to the water storage tank and the softening tank 5, respectively. The softening device, in layman's terms, is a device that reduces water hardness. Its main functions include removing calcium and magnesium ions from the water, activating water quality, sterilizing and removing algae, and preventing and removing scale. The present embodiment utilizes softened water to reduce nozzle clogging, ensure process stability, and extend the service life of the entire heating system.

[0042] The soft water in the soft water tank 5 of the present application is transported by a water pump 3 to the heating coil in the exhaust gas discharge area at the tail end of the steamer 4, and then to the nozzle of the steamer 4. The water pump 3 is used to provide pressure to the entire system. The soft water is heated by the heating coil at the tail end of the steamer 4, and the relevant parameters are collected by a pressure gauge 8, a flow meter 9 and a thermometer. The water is then mixed with cold and hot water according to process standards and adjusted to an appropriate temperature by a temperature control valve 7 before being transported to the nozzle of the steamer 4 for use. The parameters (pressure, flow, temperature) of the entire process are collected and recorded by a data collection terminal 10.

[0043] This application utilizes the exhaust gas from the steamer to heat water, saving energy. The temperature control valve can be set to output hot water at 60-95°C according to process requirements. The temperature control valve is set close to the steamer, which can be used immediately after heating, solving the problem of uncontrollable and large deviation in hot water temperature. The data collection terminal collects data from flow meters, thermometers and pressure gauges, can record historical data in real time, and can output it wirelessly or wiredly, solving the problem of imperfect process record monitoring, and the process parameters can be monitored in real time and traceable.

[0044] The above is a detailed introduction to a heating system utilizing waste heat from a steamer provided by the present application. The various embodiments in the specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the same or similar parts between the various embodiments. It should be noted that, for those skilled in the art, without departing from the principles of the present application, several improvements and modifications may be made to the present application, and such improvements and modifications also fall within the scope of protection of the claims of the present application.

[0045] It should also be noted that, in this specification, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.

Claims

1. A heating system utilizing waste heat from a steamer, characterized in that: include: Soft water tank (5), water delivery pump (3), steam box (4), steam box waste heat discharge device, heat exchanger (6) and temperature control valve (7); The steamer waste heat discharge device is connected to the steam outlet of the steamer (4); the heat exchanger (6) is arranged in the steamer waste heat discharge device; the soft water tank (5) stores softened cold water; the water delivery pump (3) is respectively connected to the soft water tank (5), the temperature control valve (7) and the water inlet of the heat exchanger (6); the water outlet of the heat exchanger (6) is connected to the temperature control valve (7); the heat exchanger (6) uses the steam waste heat of the steamer (4) to heat the cold water; the temperature control valve (7) is connected to the steamer (4) through a pipeline; the temperature control valve (7) is used to adjust the ratio of hot water to cold water.

2. The heating system using steamer waste heat according to claim 1, characterized in that: It also includes a flow meter (9), a pressure gauge (8), a thermometer and a data collection terminal (10), wherein the flow meter (9), the pressure gauge (8) and the thermometer are arranged on a pipeline connecting the temperature control valve (7) and the steam box (4), and the data collection terminal (10) is respectively connected to the flow meter (9), the pressure gauge (8), the thermometer and the temperature control valve (7) for communication.

3. The heating system using steamer waste heat according to claim 1, characterized in that: The steam box waste heat discharge device comprises a steam channel (11) and a chimney (12), wherein the steam channel (11) is connected to the steam outlet of the steam box (4) and the chimney (12) respectively.

4. The heating system using steamer waste heat according to any one of claims 1 to 3, characterized in that: The heat exchanger (6) is a heating coil.

5. The heating system using steamer waste heat according to claim 4, characterized in that: The heating coil is arranged in an S-shape in the steam channel (11), and the heating coil extends from an end close to the steam box (4) to an end close to the chimney (12). The end of the heating coil close to the chimney (12) is connected to the water pump (3) through a pipeline, and the end of the heating coil close to the steam box (4) is connected to the temperature control valve (7) through a pipeline.

6. The heating system using steamer waste heat according to claim 4, characterized in that: The heating coil is spirally arranged in the chimney (12), the water delivery pump (3) is connected to one end of the heating coil via a pipeline through the opening of the chimney (12), and the temperature control valve (7) is connected to the other end of the heating coil via a pipeline.

7. The heating system using steamer waste heat according to claim 1, characterized in that: The surface of the pipeline between the temperature control valve (7) and the steam box (4) is wrapped with a thermal insulation layer.

8. The heating system using steamer waste heat according to claim 7, characterized in that: A plurality of nozzles are provided on the top of the steam box (4), and the temperature control valve (7) is connected to the nozzles respectively through pipelines.

9. The heating system using steamer waste heat according to claim 2, characterized in that: It also includes an alarm device connected to the data collection terminal (10).

10. The heating system using steamer waste heat according to claim 1, characterized in that: It also includes a water storage tank and a softening treatment device, wherein the softening treatment device is connected to the water storage tank and the soft water tank (5) respectively.

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