Water tank and water tank system

Abstract

The embodiment of the utility model provides a water tank and a water tank system, and the water tank comprises a tank body which is used for containing a heated medium; the heat tracing band is wound on the outer surface of the box body in the circumferential direction; the fault detector is arranged on the heat tracing band and is used for detecting the fault of the heat tracing band; the fixing band is attached to the outer surfaces of the heat tracing band and the box body and is used for fixing the heat tracing band on the box body; the outer surface of the fixing band is coated with the heat preservation layer; the temperature detector is arranged on the outer surface of the box body and used for detecting the temperature of the box body. According to the water tank and the water tank system, the heat tracing band is wound on the outer surface of the tank body, so that the heating uniformity can be improved; and the fault detector is adopted to detect whether the heating tape has faults or not, so that the faulted heating tape can be timely and accurately found, and the local heat loss of the water tank is reduced after the heating tape is timely replaced and processed.

Description

TECHNICAL FIELD

[0001] The present application relates to water tank heat preservation technology, in particular to a water tank and a water tank system. BACKGROUND

[0002] The heat preservation mode of the water tank mostly adopts that the heating element is inserted into the tank body, and the heating element directly contacts with the medium for heating. This heating mode is simple, but has many limitations in application, for example: ① The heating element is generally only suitable for pure and easy-to-heat medium. When the medium is sludge water, scale or hardening layer is easily formed on the surface of the heating element, thereby reducing the heat preservation effect of the heating element. ② The heating element is immersed in the medium for a long time, and the corrosion resistance of the heating element material is required to be high, thereby increasing the investment cost.

[0003] Part of the water tank adopts the type of heat tracing band or heat tracing pipe. Since there is a certain spacing between the arrangement of the heating element, there is a problem of local uneven heating. At the same time, there is a lack of monitoring measures for the heating element. When part of the heating element fails, it is difficult to determine the fault point, resulting in local heat preservation failure. SUMMARY

[0004] In order to solve one of the above technical defects, the present application provides a water tank and a water tank system.

[0005] According to a first aspect of the present application, a water tank is provided, comprising:

[0006] a tank body for containing a heated medium;

[0007] a heat tracing band wound circumferentially on the outer surface of the tank body;

[0008] a fault detector arranged on the heat tracing band for detecting a fault of the heat tracing band;

[0009] a fixing band attached to the heat tracing band and the outer surface of the tank body for fixing the heat tracing band on the tank body;

[0010] a heat preservation layer covering the outer surface of the fixing band;

[0011] a temperature detector arranged on the outer surface of the tank body for detecting the temperature of the tank body.

[0012] The water tank as described above, the number of heat tracing bands is multiple, and the multiple heat tracing bands are connected in series or in parallel.

[0013] The water tank as described above, the heating wires in the multiple heat tracing bands are connected at the head and tail, so as to realize the series connection of the multiple heat tracing bands.

[0014] The water tank as described above, the end of the heat tracing band is connected with a plug, and the plugs of the heat tracing bands are correspondingly plugged into the power supply, so as to realize the parallel connection of the multiple heat tracing bands.

[0015] The water tank as described above, wherein the thermal insulation layer is an elastic thermal insulation layer.

[0016] The water tank as described above, wherein the fixing belt is an aluminum foil adhesive tape, and is wound on the outer surface of the tank body in a circumferential direction and covers the heat tracing belt.

[0017] The water tank as described above, wherein the temperature detector is a patch temperature sensor.

[0018] The water tank as described above, wherein the fault detector is an indicator light, and is connected in series to the heat tracing belt.

[0019] According to a second aspect of the embodiments of the present application, a water tank system is provided, comprising the water tank as described above and a controller; the temperature detector on the surface of the water tank is connected to an input end of the controller, and an output end of the controller is connected to the heat tracing belt, for automatically controlling the heat tracing belt to start and stop according to the temperature of the tank body.

[0020] The water tank system as described above, further comprising a remote controller connected to the controller through wireless communication, for sending a start heating instruction or a stop heating instruction to the controller.

[0021] The technical scheme provided by the embodiments of the present application, the heat tracing belt, the fixing belt and the thermal insulation layer are wound on the outer surface of the water tank for containing heated medium, the fixing belt is used for fixing the heat tracing belt on the tank body, the thermal insulation layer is used for covering the heat tracing belt and the fixing belt and achieving the effect of blocking heat exchange and heat preservation, the fault detector is arranged on the heat tracing belt and is used for detecting whether the heat tracing belt is faulty, and the temperature detector is arranged on the outer surface of the tank body and is used for detecting the temperature of the tank body; in the scheme, the heat tracing belt is wound on the outer surface of the tank body, which can improve the heating uniformity; the fault detector can also detect whether the heat tracing belt is faulty, so that the faulty heat tracing belt can be found in time and accurately, and the heat loss of the water tank in a local part can be reduced after timely replacement and processing. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application, and do not limit the present application in any manner. In the drawings:

[0023] Figure 1 The structural schematic diagram of the water tank provided by the embodiments of the present application is shown;

[0024] Figure 2 The structural schematic diagram of the water tank system provided by the embodiments of the present application is shown.

[0025] Reference signs:

[0026] 1-tank body; 2-temperature detector; 3-fault detector; 4-heat tracing belt; 5-fixing belt; 6-thermal insulation layer; 7-insulating terminal; 8-controller; 9-remote controller. DETAILED DESCRIPTION

[0027] In order to make the technical solutions and advantages in the embodiments of the present application more clear and explicit, the exemplary embodiments of the present application are further described in detail below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0028] As shown in Figure 1 The present embodiment provides a water tank, comprising a tank body 1, a temperature detector 2, a fault detector 3, a heat tracing band 4, a fixing band 5 and a thermal insulation layer 6.

[0029] The tank body 1 is provided with a cavity for accommodating a heated medium. The heated medium can be pure water, solution, mixed liquid, suspension liquid and the like. The tank body 1 can be made of metal, for example, stainless steel. The shape of the tank body 1 can be cuboid, cylinder, prism and the like.

[0030] The heat tracing band 4 is wound on the outer surface of the tank body 1 in a circumferential direction. According to the length of the heat tracing band 4, one, two or more than three turns can be wound on the outer surface of the tank body 1. The distance between turns (i.e. the winding density of the heat tracing band) can be set according to the required heating temperature. For example, if the required heating temperature is high, the winding density is increased; if the required heating temperature is low, the winding density is decreased.

[0031] The fixing band 5 is attached to the outer surface of the heat tracing band 4 and the tank body 1, and is used to fix the heat tracing band 4 on the tank body 1. The fixing band 5 can be ordinary adhesive tape or heat-conducting adhesive tape, which can fix the heat tracing band 4 on the tank body 1. In the present embodiment, an aluminum foil adhesive tape is used as the fixing band 5, which is wound in a circumferential direction and can completely cover the surface of the heat tracing band 4 or partially cover the surface of the heat tracing band 4 to fix the heat tracing band 4 on the surface of the tank body 1. The aluminum foil has good heat conduction performance, which can further improve the heating uniformity and achieve energy saving.

[0032] The thermal insulation layer 6 is wrapped on the surface of the fixing band 5 and also wrapped on the surface of the tank body 1 to achieve thermal insulation. The thermal insulation layer 6 can be formed into a sheet material made of foam, thermal insulation cotton and the like, which is arranged around the outer surface of the tank body 1 to wrap the heat tracing band 4 and the fixing band 5. In the present embodiment, an elastoplastic thermal insulation layer is used, which has good thermal insulation performance, insulation performance and flame retardant performance.

[0033] The temperature detector 2 is arranged on the surface of the tank 1 and is used to detect the temperature of the tank 1. The output end of the temperature detector 2 is led out and connected to the input end of the controller, and the detected temperature data can be sent to the controller. The controller processes the temperature data to realize automatic control of the heating process of the heat tracing band 4, and the controller can also send the temperature data to the display for display, or write into the database for historical tracing.

[0034] The fault detector 3 is arranged on the heat tracing band 4 and is used to detect whether the heat tracing band 4 fails. The fault detector 3 can be an insulation detection device, a current detection device, a temperature detection device, a resistance detection device or an indicator light. The insulation detection device detects the insulation performance of a certain section of the heat tracing band to determine whether this section of the heat tracing band 4 fails. The current detection device is used to detect whether there is current passing through a certain section of the heat tracing band to determine whether this section of the heat tracing band 4 fails. The temperature detection device is used to detect the temperature of a certain section of the heat tracing band to determine whether this section of the heat tracing band fails. The resistance detection device is used to detect the resistance of a certain section of the heat tracing band to determine whether this section of the heat tracing band fails. The indicator light can be connected in series on the heat tracing band. When the indicator light is extinguished, it indicates that this section of the heat tracing band fails.

[0035] The technical scheme provided by the embodiment is that the heat tracing band, the fixing band and the thermal insulation layer are wound on the outer surface of the water tank for containing the heated medium. The fixing band is used to fix the heat tracing band on the tank. The thermal insulation layer is used to cover the heat tracing band and the fixing band and achieve the effect of blocking heat exchange to achieve the effect of heat preservation. The fault detector is arranged on the heat tracing band and is used to detect whether the heat tracing band fails. The temperature detector is arranged on the outer surface of the tank and is used to detect the temperature of the tank. In this scheme, the heat tracing band is wound on the outer surface of the tank, which can improve the heating uniformity. The fault detector can also detect whether the heat tracing band fails, so that the failed heat tracing band can be found in time and accurately, and the local heat loss of the water tank can be reduced after timely replacement and processing.

[0036] The number of the heat tracing bands 4 is multiple. The multiple heat tracing bands are connected in series or parallel and wound on the outer surface of the tank 1. The multiple heat tracing bands can be installed in sections, which is convenient for local replacement during later maintenance.

[0037] The heating wires in the multiple heat tracing bands 4 are connected at the head and tail to realize the series connection of the multiple heat tracing bands 4. The series connection has the advantage that the process of controlling start and stop is relatively simple.

[0038] The end of the heat tracing band 4 is connected to a plug. The plugs of the heat tracing bands 4 are plugged into the power source in correspondence, which realizes the parallel connection of the multiple heat tracing bands 4. The parallel connection has the advantage that the heat tracing bands 4 can be controlled independently, and the heat tracing bands 4 do not affect each other. When one heat tracing band 4 fails, it will not affect the heating of other heat tracing bands 4, and thus the temperature of the water tank will not be greatly reduced.

[0039] On the basis of the above technical solutions, the temperature detector 2 adopts a patch type temperature sensor, which has a small volume, is convenient to install, is not easy to be separated from the surface of the tank body, and has high reliability. The number of temperature detectors 2 can be multiple, and is arranged at different positions of the tank body 1. Moreover, the patch type temperature sensor is not affected by the heated medium, can adapt to various heated media, and will not suffer from corrosion and other problems, thereby improving detection accuracy, prolonging service life, and reducing production cost.

[0040] In order to clearly show the structure of each layer, Figure 1 The front end of the tank body peels off part of the heat preservation layer 6. Figure 1 The winding mode of the heat tracing band 4 and the fixing band 5 is also an example. The heat tracing band 4 and the fixing band 5 can be wound in a ring shape or in a spiral shape. The heat tracing band 4 and the fixing band 5 can be installed in a segmented manner, which facilitates local component replacement, reduces maintenance workload, and thereby reduces production cost.

[0041] Further, a thin aluminum plate is arranged on the outer surface of the heat preservation layer 6 to improve the strength of the water tank, facilitate transportation, and also play a grounding protection role.

[0042] Further, an insulating terminal 7 is arranged at the interface of two adjacent heat tracing bands 4 to ensure the insulation performance of the interface of the heat tracing band 4. Alternatively, an insulating layer is wrapped at the interface of two adjacent heat tracing bands 4.

[0043] On the basis of the above technical solutions, the embodiment also provides a water tank system, as shown in Figure 2 The water tank system includes the water tank provided in any of the above contents and a controller 8. The temperature detector on the surface of the water tank is connected to the input end of the controller 8, and the output end of the controller 8 is connected to the heat tracing band, which is used to automatically control the start and stop of the heat tracing band according to the temperature of the tank body. When the temperature of the tank body is lower than the first set temperature, the heat tracing band 4 is automatically started to heat; when the temperature of the tank body is higher than the second set temperature, the heat tracing band 4 is automatically stopped to heat.

[0044] Alternatively, a time delay power-off function can also be used, which automatically stops heating when the heat tracing band 4 runs to a set time.

[0045] The controller 8 can be a programmable logic controller (PLC), the analog input end of which is connected to the temperature detector to collect the water tank temperature signal. The digital output end of the PLC is connected to the power loop of the heat tracing band through a relay, a circuit breaker and other related circuit devices, so as to control the start or stop of the heat tracing band according to the temperature of the water tank.

[0046] Further, it also includes a remote controller 9 connected to the controller 8 through wireless communication, which is used to send a start heating instruction or a stop heating instruction to the controller 8 to realize manual control of heating.

[0047] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0048] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0049] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to include the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0051] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A water tank, characterized in that, include: The housing is used to contain the medium being heated; The heat tracing band is wrapped around the outer surface of the box in a circumferential direction. A fault detector, installed on the heat tracing cable, is used to detect faults in the heat tracing cable; The fixing strap is attached to the outer surface of the heat tracing cable and the outer surface of the enclosure to fix the heat tracing cable to the enclosure; The insulation layer is wrapped around the outer surface of the fixing strip; A temperature detector is installed on the outer surface of the enclosure to detect the enclosure temperature.

2. The water tank according to claim 1, characterized in that, There are multiple tracing cables, which can be connected in series or in parallel.

3. The water tank according to claim 2, characterized in that, The heating wires in multiple heat tracing cables are connected end to end to achieve multiple heat tracing cables connected in series.

4. The water tank according to claim 2, characterized in that, The ends of the heat tracing cables are connected to plugs, and the plugs of each heat tracing cable are plugged into the power supply to realize the parallel connection of multiple heat tracing cables.

5. The water tank according to claim 1, characterized in that, The insulation layer is a rubber and plastic insulation layer.

6. The water tank according to claim 1, characterized in that, The fixing strap is an aluminum foil tape, which is wrapped around the outer surface of the box in the circumferential direction and covered with a heat tracing tape.

7. The water tank according to claim 1, characterized in that, The temperature detector is a patch-type temperature sensor.

8. The water tank according to claim 1, characterized in that, The fault detector is an indicator light connected in series with the heating tape.

9. A water tank system, characterized in that, include: The water tank and controller as described in any one of claims 1-8; a temperature detector on the surface of the water tank is connected to the input terminal of the controller, and the output terminal of the controller is connected to the heat tracing cable, for automatically controlling the start and stop of the heat tracing cable according to the temperature of the tank.

10. The water tank system according to claim 9, characterized in that... Also includes: The remote control is connected to the controller wirelessly and is used to send heating start or heating stop commands to the controller.

Images