Novel heating system

Abstract

The utility model relates to a novel heating system which comprises a water tank, a circulating water pump, a steam heating heat exchanger, an electric heater, a PLC (Programmable Logic Controller), a water pipe, a steam pipeline and a steam proportioning valve, the water tank, the circulating water pump, the steam heating heat exchanger and the electric heater are connected in series through the water pipe to form a water heating loop, a steam proportioning valve is installed on a steam pipeline, and the output end of the PLC is connected with the electric heater and a steam proportioning valve power supply; when steam is supplied, the PLC is used for disconnecting the power supply of the electric heater and connecting the power supply of the steam proportioning valve; when no steam is supplied, the power supply of the electric heater is turned on, and the power supply of the steam proportioning valve is turned off. The heating mode of domestic water in the wine making workshop is effectively improved, steam generated by the wine making workshop is fully utilized, steam heating and electric heating are adjusted through the PLC, the requirement for hot water in the steaming stopping period is met, the steam direct injection heating mode is changed into pipeline heat exchange, device vibration is avoided, and the service life of the water tank is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of water heating, in particular to a novel heating system. Background Art

[0002] The working environment of the koji-making link in the current winemaking industry is relatively poor, with a large ash layer. Enterprises set up bathing houses for employees to use. The water source of the bathhouse comes from the water tank on the roof of the bathroom building. A large amount of steam is used in the distillation process of wine production. In this process, a small amount of steam can be used directly to heat the water in the water tank.

[0003] The traditional water tank heating method uses a steam pipe directly connected to the water tank, steam direct injection for heating, or electric heating. If steam direct injection is used for heating, steam directly injected into the water tank will cause the water tank to vibrate and cause noise, reducing the life of the water tank. During the holidays in the brewing workshop, a separate boiler needs to be burned for bathroom use, and the low-load operation of the boiler causes energy waste. If electric heating is used alone to heat the water tank, the cost of electricity resources is too high. Therefore, a new heating system is needed to solve the above problems. Utility Model Content

[0004] In order to solve the above-mentioned technical problems of resource waste and excessively high cost, the utility model provides a novel heating system.

[0005] To achieve the above-mentioned purpose, the utility model provides a novel heating system, comprising: a water tank, a circulating water pump, a steam heating heat exchanger, an electric heater, a PLC controller, a water pipe and a steam pipeline; the water pipe connects the water tank, the circulating water pump, the steam heating heat exchanger and the electric heater in series to form a water heating circuit, the water pipe runs through the steam heating heat exchanger and the electric heater, the circulating water pump is installed at the water outlet position of the water tank, the steam pipeline runs through the steam heating heat exchanger, and the output end of the PLC controller is connected to the power supply of the electric heater; when steam is supplied, the PLC controller disconnects the power supply of the electric heater, and when there is no steam supply, the PLC controller turns on the power supply of the electric heater.

[0006] Furthermore, the steam heating heat exchanger includes a water inlet and a water outlet, the water inlet is arranged at the bottom of the steam heating heat exchanger, the water outlet is arranged at the top of the steam heating heat exchanger, the water pipe runs through the water inlet and the water outlet, and the water pipe is sealedly connected to the water inlet and the water outlet.

[0007] Furthermore, the steam pipe includes an air inlet and an air outlet, the air inlet is arranged at the top of the steam heating heat exchanger, and the air outlet is arranged at the bottom of the steam heating heat exchanger, the steam pipe runs through the air inlet and the air outlet, and the steam pipe is sealedly connected to the air inlet and the air outlet.

[0008] Furthermore, the water inlet and water outlet are both arranged on the right side of the steam heating heat exchanger. The water pipe enters from the water inlet on the right side of the steam heating heat exchanger and extends internally to the upper left side. After extending to the side wall, it bends to the upper right side and extends out from the water outlet on the right side in a reciprocating cycle.

[0009] Furthermore, the air inlet and the air outlet are both arranged on the left side of the steam heating heat exchanger. The steam pipe enters from the air inlet on the left side of the steam heating heat exchanger and extends internally to the lower right side. After extending to the side wall, it bends to the lower left side and extends out from the air outlet on the left side in a reciprocating manner.

[0010] Furthermore, a temperature sensor is installed in the water tank, and the temperature sensor is connected to the input end of the PLC controller.

[0011] Furthermore, it also includes a steam pressure sensor, the steam pressure sensor and the steam ratio regulating valve are arranged on the steam pipeline outside the steam heating heat exchanger, and the output end of the steam pressure sensor is connected to the PLC controller.

[0012] Furthermore, a water outlet temperature sensor is provided at the water outlet of the electric heater, and the water outlet temperature sensor is connected to the input end of the PLC controller.

[0013] Furthermore, a pressure sensor is installed at the bottom of the water tank, the PLC controller is connected to the water inlet valve of the water tank, and the output end of the pressure sensor is connected to the PLC controller.

[0014] Furthermore, the end of the steam pipe located at the bottom of the steam heating heat exchanger is connected to a condensate pipe, and a steam trap is arranged on the condensate pipe.

[0015] The above technical solution of the utility model has the following advantages compared with the prior art:

[0016] (1) Effectively improve the heating method of domestic water in the brewery, make full use of the steam generated in the brewery, save energy, reduce costs, adjust the steam heating and electric heating methods through the PLC controller to meet the hot water supply needs of the brewery during holidays, and change the steam direct injection heating method to pipeline heat exchange to avoid causing vibration of the device and increase the service life of the water tank;

[0017] (2) The water pipe runs through the steam heating heat exchanger and the electric heater to improve the heating efficiency. The water flows from top to bottom in the steam heating heat exchanger, and the steam flows from top to bottom, so as to avoid reducing the temperature difference between the water flow and the steam and ensure the stability of the heat exchange. In addition, the water pipe and the steam pipe are circulated and bent in the steam heating heat exchanger, which increases the heat exchange area and further improves the heating effect.

[0018] (3) By setting up temperature sensors and water outlet temperature sensors, the water temperature of the water tank and the output is measured, and the water temperature data is transmitted to the PLC control system to maintain the temperature in the water tank stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural flow chart of the novel heating system of the utility model.

[0021] Explanation of the reference numerals in the drawings in the specification: water tank-1; circulating water pump-2; steam heating heat exchanger-3; electric heater-4; PLC controller-5; water pipe-6; steam pipe-7; steam ratio regulating valve-8; temperature sensor-9; outlet water temperature sensor-10; pressure sensor-11; steam pressure sensor-12; condensate pipe-13; steam trap-14. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary persons in the field without creative work should fall within the scope of protection of the utility model.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] The utility model is described in detail with reference to the schematic diagram. When describing the embodiments of the utility model, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the utility model. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the present utility model, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integrated connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two original components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0028] Embodiment 1

[0029] Reference below Figure 1A novel heating system according to an embodiment of the utility model comprises a water tank 1, a circulating water pump 2, a steam heating heat exchanger 3, an electric heater 4, a PLC controller 5, a water pipe 6 and a steam pipe 7. The water pipe 6 extends from the water outlet of the water tank 1 to the water inlet of the steam heating heat exchanger 3. The circulating water pump 2 is installed at the water outlet position of the water tank 1. Specifically, it can be installed on the water pipe 6 between the water tank 1 and the steam heating heat exchanger 3 to pump the water in the water tank 1 into the steam heating heat exchanger 3. The water pipe 6 runs through the steam heating heat exchanger 3 and extends from the water outlet. After being extended, it is connected to the water inlet of the electric heater 4. The water pipe 6 also runs through the electric heater 4 and extends from the water outlet. Then the water pipe 6 is connected to the water inlet of the water tank 1 to form a water flow loop. The steam pipe 7 runs through the steam heating heat exchanger 3, and the output end of the PLC controller 5 is connected to the power supply of the electric heater 4. The PLC controller 5 controls the power switch of the electric heater 4. When the workshop is working and generating steam, the heating system is supplied with steam. The PLC controller 5 disconnects the power supply of the electric heater 4, and the electric heater 4 stops working. The steam heating heat exchanger 3 increases the temperature by the steam pipe 7 running through it, and performs heat exchange on the water pipe 6 running through it to achieve the heating effect. When the workshop is stagnant, the workshop stops steaming, and there is no steam supply, the PLC controller 5 turns on the power supply of the electric heater 4, the heating work of the steam heating heat exchanger 3 stops, and the water flows into the electric heater 4 for electric heating. The heated water flows back into the water tank to increase the water temperature of the water tank.

[0030] It should be noted that the water pipe 6 runs through the steam heating heat exchanger 3 and the electric heater 4 to increase the heating section of the water pipe 6 and improve the heating efficiency. The steam pipe 7 runs through the steam heating heat exchanger 3 to realize heat exchange between steam and water flow in the steam heating heat exchanger 3. The heat exchange process is smooth and does not cause vibration. The water pipe 6 is made of a metal pipe, preferably a copper pipe, and the steam pipe 7 is made of a steel pipe. Preferably, the outer wall of the steam pipe 7 outside the steam heating heat exchanger 3 is wrapped with an insulation layer to prevent hot air from dissipating.

[0031] It should be noted that a steam ratio regulating valve (8) is installed on the steam pipe (7), and the output end of the PLC controller (5) is connected to the power supply of the electric heater (4) and the steam ratio regulating valve (8). The steam ratio regulating valve 8 can control the flow of steam in the steam pipe 7. When steam is supplied, the PLC controller (5) disconnects the power supply of the electric heater (4), connects the power supply of the steam ratio regulating valve (8), and delivers steam to the steam heating heat exchanger 3; when steam is not supplied, the PLC controller (5) turns on the power supply of the electric heater (4), disconnects the power supply of the steam ratio regulating valve (8), and stops steam delivery.

[0032] In one embodiment, the water pipe 6 enters from the bottom water inlet of the steam heating heat exchanger 3 and extends from the top water outlet. The steam pipe 7 enters from the top air inlet of the steam heating heat exchanger 3 and extends from the bottom air outlet. In the steam heating heat exchanger 3, the water inlet direction of the water pipe 6 is opposite to that of the steam pipe 7. Cold water flows upward from the bottom of the steam heating heat exchanger 3, and steam flows downward from the top of the steam heating heat exchanger 3. The water temperature of the water flow gradually increases in the steam heating heat exchanger 3. On the one hand, the water temperature can be steadily increased. On the other hand, high-temperature steam is prevented from directly contacting with low-temperature water flow, which causes the steam to condense rapidly and affects the heating effect.

[0033] In one embodiment, the water inlet and the water outlet are both arranged on the right side of the steam heating heat exchanger 3, the water pipe 6 enters from the water inlet on the right side of the steam heating heat exchanger 3 and extends internally to the upper left side, bends to the upper right side after extending to the side wall, and reciprocates to extend from the water outlet on the right side; the air inlet and the air outlet are both arranged on the left side of the steam heating heat exchanger 3, the steam pipe 7 enters from the air inlet on the left side of the steam heating heat exchanger 3 and extends internally to the lower right side, bends to the lower left side after extending to the side wall, and reciprocates to extend from the air outlet on the left side, the water pipe 6 and the steam pipe 7 are bent back and forth left and right inside the steam heating heat exchanger 3, thereby increasing the contact section of the water pipe 6 and the steam pipe 7 in the steam heating heat exchanger 3 and improving the heat exchange efficiency.

[0034] In one embodiment, a temperature sensor 9 is installed in the water tank 1, and the temperature sensor 9 is connected to the input end of the PLC controller 5. The temperature sensor 9 measures the water temperature in the water tank 1. A steam ratio regulating valve 8 is arranged on the steam pipe 7 that does not enter the steam heating heat exchanger 3. The steam ratio regulating valve 8 is connected to the output end of the PLC controller 5. A water outlet temperature sensor 10 is arranged at the water outlet of the electric heater 4. The water outlet temperature sensor 10 is connected to the input end of the PLC controller 5. The water outlet temperature sensor 10 is used to monitor the water outlet temperature.

[0035] In one embodiment, a pressure sensor 11 is installed at the bottom of the water tank 1, the PLC controller 5 is connected to the water inlet valve of the water tank 1, the output end of the pressure sensor 11 is connected to the PLC controller 5, and the pressure sensor 11 obtains the amount of water in the water tank 1 by measuring the pressure. When the data measured by the pressure sensor 11 is lower than the set value, the PLC controller 5 opens the water inlet valve and starts to let water in.

[0036] In one embodiment, a steam pressure sensor 12 is installed on the steam pipe 7, and the output end of the steam pressure sensor 12 is connected to the PLC controller 5. The steam pressure sensor 12 can know whether there is steam input in the steam pipe 7. When there is steam input, the information is transmitted to the PLC controller 5 to turn off the electric heater 4. Furthermore, the steam pressure sensor 12 is also connected to the steam ratio regulating valve 8, and the steam ratio regulating valve 8 obtains the input steam pressure. The staff can control the steam ratio regulating valve 8 to adjust the input steam amount according to the steam pressure of the steam pressure sensor 12, thereby adjusting the steam amount in the steam heating heat exchanger 3.

[0037] In one embodiment, the end of the steam pipe 7 located at the bottom of the steam heating heat exchanger 3 is connected to the condensate pipe 13, and a steam trap 14 is arranged on the condensate pipe 13. When the device starts to heat up, the water temperature initially entering the steam heating heat exchanger 3 for heat exchange is too low, and a large amount of condensate is likely to appear. In addition, condensate is also generated during the heat exchange process, and the generated condensate is discharged through the condensate pipe 13. When the steam heating heat exchanger 3 initially works, the steam trap 14 is normally open. After the steam heating heat exchanger 3 works for a certain period of time, the steam trap 14 is opened regularly.

[0038] It should be noted that the above embodiment only describes the situation where the steam heating heat exchanger 3 and the electric heater 4 do not work at the same time. In order to quickly increase the water temperature in the water tank 1 and when the water temperature in the water tank 1 is low and there is no significant difference in the water temperature measured by the water outlet temperature sensor 10, the steam heating heat exchanger 3 and the electric heater 4 also operate simultaneously.

[0039] It should be noted that the PLC controller is a programmable logic controller, which uses a programmable memory and is widely used in industrial production. In addition, the temperature sensor 9 and the water outlet temperature sensor 10 use water pipe temperature sensors and can be installed on the water pipe 6.

[0040] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A new heating system, characterized in that: include: A water tank (1), a circulating water pump (2), a steam heating heat exchanger (3), an electric heater (4), a PLC controller (5), a water pipe (6), a steam pipe (7) and a steam ratio regulating valve (8); The water pipe (6) connects the water tank (1), the circulating water pump (2), the steam heating heat exchanger (3) and the electric heater (4) in series to form a water heating circuit; the water pipe (6) runs through the steam heating heat exchanger (3) and the electric heater (4); the circulating water pump (2) is installed at the water outlet position of the water tank (1); the steam pipe (7) runs through the steam heating heat exchanger (3); the steam ratio regulating valve (8) is installed on the steam pipe (7); and the output end of the PLC controller (5) is connected to the power supply of the electric heater (4) and the steam ratio regulating valve (8); When steam is supplied, the PLC controller (5) disconnects the power supply of the electric heater (4) and connects the power supply of the steam ratio regulating valve (8); when steam is not supplied, the PLC controller (5) turns on the power supply of the electric heater (4) and disconnects the power supply of the steam ratio regulating valve (8).

2. The novel heating system according to claim 1 is characterized in that: The steam heating heat exchanger (3) comprises a water inlet and a water outlet, wherein the water inlet is arranged at the bottom of the steam heating heat exchanger (3), and the water outlet is arranged at the top of the steam heating heat exchanger (3), and the water pipe (6) passes through the water inlet and the water outlet, and the water pipe (6) is sealedly connected to the water inlet and the water outlet.

3. The novel heating system according to claim 1 or 2, characterized in that: The steam pipe (7) comprises an air inlet and an air outlet, wherein the air inlet is arranged at the top of the steam heating heat exchanger (3), and the air outlet is arranged at the bottom of the steam heating heat exchanger (3). The steam pipe (7) runs through the air inlet and the air outlet, and the steam pipe (7) is sealedly connected to the air inlet and the air outlet.

4. The novel heating system according to claim 2 is characterized in that: The water inlet and the water outlet are both arranged on the right side of the steam heating heat exchanger (3); the water pipe (6) enters from the water inlet on the right side of the steam heating heat exchanger (3) and extends internally to the upper left side, bends to the upper right side after extending to the side wall, and extends out from the water outlet on the right side in a reciprocating manner.

5. The novel heating system according to claim 3 is characterized in that: The air inlet and the air outlet are both arranged on the left side of the steam heating heat exchanger (3); the steam pipe (7) enters from the air inlet on the left side of the steam heating heat exchanger (3) and extends to the lower right side inside, bends to the lower left side after extending to the side wall, and extends out from the air outlet on the left side in a reciprocating manner.

6. The novel heating system according to claim 1 is characterized in that: A temperature sensor (9) is installed in the water tank (1), and the temperature sensor (9) is connected to the input end of the PLC controller (5).

7. The novel heating system according to claim 1 is characterized in that: It also includes a steam pressure sensor (12), wherein the steam pressure sensor (12) and the steam ratio regulating valve (8) are arranged on the steam pipe (7) outside the steam heating heat exchanger (3), and the output end of the steam pressure sensor (12) is connected to the PLC controller (5).

8. The novel heating system according to claim 1 is characterized in that: A water outlet temperature sensor (10) is provided at the water outlet of the electric heater (4), and the water outlet temperature sensor (10) is connected to the input end of the PLC controller (5).

9. The novel heating system according to claim 1 is characterized in that: A pressure sensor (11) is installed at the bottom of the water tank (1), the PLC controller (5) is connected to the water inlet valve of the water tank (1), and the output end of the pressure sensor (11) is connected to the PLC controller (5).

10. The novel heating system according to claim 3 is characterized in that: The end of the steam pipe (7) located at the bottom of the steam heating heat exchanger (3) is connected to a condensate pipe (13), and a steam trap (14) is arranged on the condensate pipe (13).

Images