Air waste heat recovery device of sterilization ship

Abstract

The air waste heat recovery device comprises a dehumidification heat exchanger and a heat recovery water tank, one end of the dehumidification heat exchanger is connected with the sterilization ship through an air pipe, the other end of the dehumidification heat exchanger is connected with a fan, and the dehumidification heat exchanger is provided with a water inlet, a water outlet and a water outlet used for discharging condensate water. The heat recovery water tank is provided with a liquid level sensor and a temperature sensor, the heat recovery water tank is connected with a water inlet and a water outlet of the dehumidification heat exchanger through water pipes, and the water pipe connecting the heat recovery water tank with the water inlet of the dehumidification heat exchanger is provided with a circulating pump and a first control valve. The device can recycle the waste heat of the hot steam of the sterilization ship, reduces the waste of resources, reduces the temperature and humidity influence caused by the direct discharge of the steam, and improves the working environment of a workshop.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of waste heat recovery, especially relates to a sterilization ship air waste heat recovery device. BACKGROUND

[0002] If the beverage production line is milk production line, the semi-finished product after blending will be subjected to high-temperature sterilization by UHT, then temperature cooling to 45 DEG C for filling, and the product after filling by the filling machine still needs to be subjected to heating sterilization by multi-section type spraying type sterilization ship, a large amount of steam will be used for heating the water in the water tank in this process, and a large amount of heat will be released when the heat in the water is evaporated to air in spraying, which is generally naturally discharged and radiated through the air vent pipe outward, which will cause heat loss on the one hand, and the overflow steam will also increase the indoor temperature and humidity and cause the wall to mildew. SUMMARY

[0003] The utility model discloses a sterilization ship air waste heat recovery device.

[0004] To achieve the above-mentioned purpose, the utility model provides a kind of sterilization ship air waste heat recovery device, including dehumidification heat exchanger, heat recovery water tank, the one end of dehumidification heat exchanger is connected with sterilization ship by air pipe, and the other end of dehumidification heat exchanger is connected with fan, dehumidification heat exchanger is equipped with water inlet, water outlet and the drain port for discharging condensate, and the drain port is connected with sterilization ship by condensate pipe, the heat recovery water tank is equipped with liquid level sensor and temperature sensor, and the water inlet, water outlet of heat recovery water tank and dehumidification heat exchanger are connected by water pipe respectively, and the water pipe that the water inlet of heat recovery water tank and dehumidification heat exchanger are connected is equipped with circulating pump and first control valve.

[0005] Preferably, the liquid level sensor includes a high liquid level sensor, a middle liquid level sensor and a low liquid level sensor.

[0006] Preferably, the heat recovery water tank is connected with a water supply tank by a water supply pipe, the water supply pipe is provided with a water supply pump, and the water supply pipe is provided with a switch valve.

[0007] Preferably, the water supply pipe, the water pipe connected with the water inlet of the heat recovery water tank and the dehumidification heat exchanger are all provided with pressure sensors, and the water supply pump is a variable frequency water supply pump, which adjusts the operating state according to the pressure value detected by the pressure sensor on the water supply pipe to realize constant pressure water supply.

[0008] Preferably, the water pipe connected with the water inlet of the heat recovery water tank and the dehumidification heat exchanger is connected with a water supplement pipe, and the water supplement pipe is provided with a second control valve.

[0009] Preferably, the heat recovery water tank is provided with a liquid discharge port, and the liquid discharge port is provided with a valve.

[0010] Preferably, the water pipes connecting the water supply pipe, the heat recovery water tank, and the drain outlet of the dehumidification heat exchanger are equipped with temperature sensors and one-way valves.

[0011] The beneficial effects of this utility model are as follows: This utility model transfers the hot steam in the sterilization vessel through a duct to a dehumidifying heat exchanger, where it exchanges heat with the low-temperature water flowing into the dehumidifying heat exchanger from the heat recovery water tank. The condensate generated during the heat exchange process flows back to the sterilization vessel, and the low-temperature air after heat exchange is discharged outdoors. The water in the heat recovery water tank can be heated and used for subsequent production, thus realizing the recovery and utilization of the waste heat of the sterilization vessel's hot steam, reducing resource waste, mitigating the temperature and humidity impact caused by direct steam discharge, and improving the workshop working environment.

[0012] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0014] In the diagram: 1. Sterilization vessel; 2. Dehumidification heat exchanger; 3. Air duct; 4. Fan; 5. Heat recovery water tank. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. In the description of this application, it should be noted that the terms "inner," "outer," etc., indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0016] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0017] The utility model discloses make a detailed description below in combination with each annex.

[0018] Reference Figure 1 The embodiment provides a kind of sterilization ship air waste heat recovery device, including dehumidification heat exchanger 2, heat recovery water tank 5, dehumidification heat exchanger 2 is connected with air pipe 3 between one end and sterilization ship 1, dehumidification heat exchanger 2 is connected with fan 4 in another end, dehumidification heat exchanger 2 is equipped with water inlet, water outlet and be used for the drain outlet for discharging condensate, drain outlet is connected with sterilization ship 1 with condensate pipe, heat recovery water tank 5 is equipped with liquid level sensor and temperature sensor, heat recovery water tank 5 and the water inlet, water outlet of dehumidification heat exchanger 2 are respectively connected with water pipe, the water pipe of heat recovery water tank 5 and the water inlet of dehumidification heat exchanger 2 is equipped with circulating pump and first control valve V02.

[0019] When using, liquid level sensor, temperature sensor, circulating pump, first control valve V02 are connected with PLC controller, and PLC controller controls the opening and closing of circulating pump and first control valve according to the detection value of liquid level sensor and temperature sensor;Air pipe 3 uses stainless steel air pipe.

[0020] In the embodiment, liquid level sensor includes high liquid level sensor, middle liquid level sensor and low liquid level sensor, so as to accurately detect the water level of heat recovery water tank 5 and ensure the normal operation of the equipment.

[0021] In the embodiment, heat recovery water tank 5 is connected with water supply pipe for water supply tank, water supply pipe is provided with water supply pump, water supply pipe is provided with on-off valve, water supply pump and on-off valve are connected with PLC controller, PLC controller controls the opening and closing of water supply pump and on-off valve, water supply tank is used to store hot water in heat recovery water tank 5 that reaches a predetermined temperature for subsequent production and use.

[0022] Further, the water pipe connected with heat recovery water tank 5 and the water inlet of dehumidification heat exchanger 2 is provided with pressure sensor, the water supply pump is a variable frequency water supply pump, the pressure sensor is connected with the PLC controller, and the PLC controller outputs a control signal to the variable frequency water supply pump to adjust the operating state according to the pressure value detected by the pressure sensor on the water supply pipe to realize constant pressure water supply.

[0023] In the embodiment, the water pipe connected with heat recovery water tank 5 and the water inlet of dehumidification heat exchanger 2 is connected with a water supplement pipe, the water supplement pipe is provided with a second control valve V01, the second control valve V01 can be a manual valve or an electric control valve, and the water supplement pipe can supplement water to ensure that there is sufficient low-temperature water for heat exchange during the operation of the device to heat the water into hot water for subsequent production and use.

[0024] In the embodiment, heat recovery water tank 5 is provided with a liquid discharge port, and the liquid discharge port is provided with a valve to facilitate emptying heat recovery water tank 5.

[0025] In the embodiment, the water pipe connected with the drain port of the heat recovery water tank 5 and the dehumidification heat exchanger 2 is provided with a temperature sensor and a one-way valve, and the temperature sensor is electrically connected with the PLC controller.

[0026] The working process of the utility model is as follows:

[0027] In the working process of the sterilization ship air waste heat recovery device, the high-temperature steam in the sterilization ship 1 is transmitted to the dehumidification heat exchanger 2 through the air pipe 3, the low-temperature water in the heat recovery water tank 5 flows to the dehumidification heat exchanger 2 through the water pipe and exchanges heat with the high-temperature steam in the dehumidification heat exchanger 2 to absorb heat, when the temperature in the heat recovery water tank 5 is lower than the preset value, the circulating pump and the first control valve V02 are always open, a low-temperature water circulation heating closed loop is formed among the heat recovery water tank 5, the dehumidification heat exchanger 2 and the water pipe, after the water temperature reaches the preset value, the water supply pump is opened, the hot water in the heat recovery water tank 5 flows to the water supply tank for subsequent production and use, when the water level in the heat recovery water tank 5 drops to the medium liquid level, the circulating pump and the first control valve V02 are closed, the second control valve V01 is opened, and water is supplemented, when the water level in the heat recovery water tank 5 rises to the high liquid level, the second control valve V01 is closed, the circulating pump and the first control valve V02 are opened, and the water supply pump is opened again after the water temperature reaches the standard, the above-mentioned circulation is repeated until the production is completed, and all the pumps and valves are closed.

[0028] The above-mentioned embodiment is a description of the utility model, not a limitation of the utility model, and any simple transformation of the utility model belongs to the protection range of the utility model.

Claims

1. A sterilization ship air waste heat recovery device, characterized by: The application relates to a sterilization ship, which comprises a dehumidification heat exchanger, a heat recovery water tank, a fan and a sterilization ship.

2. The sterilization ship air waste heat recovery device according to claim 1, characterized by: The liquid level sensor comprises a high liquid level sensor, a medium liquid level sensor and a low liquid level sensor.

3. The sterilization ship air waste heat recovery device according to claim 1, characterized by: The heat recovery water tank is connected with a water supply tank through a water supply pipe, the water supply pipe is provided with a water supply pump, and the water supply pipe is provided with an on-off valve.

4. The sterilization ship air waste heat recovery apparatus according to claim 3, characterized by: The water supply pipe, the water pipe connecting the heat recovery water tank and the water inlet of the dehumidification heat exchanger and the water pipe connecting the heat recovery water tank and the water outlet of the dehumidification heat exchanger are all provided with pressure sensors, the water supply pump is a variable frequency water supply pump, the variable frequency water supply pump adjusts the running state according to the pressure value in the water supply pipe detected by the pressure sensor to realize constant pressure water supply.

5. The sterilization ship air waste heat recovery apparatus according to claim 1, characterized by: The water pipe connecting the heat recovery water tank and the water inlet of the dehumidification heat exchanger is connected with a water supplement pipe, and the water supplement pipe is provided with a second control valve.

6. The sterilization ship air waste heat recovery apparatus of claim 1, wherein: The heat recovery water tank is provided with a liquid discharge port, and the liquid discharge port is provided with a valve.

7. The sterilization ship air waste heat recovery apparatus according to claim 3, characterized by: The water pipe connecting the water supply pipe, the heat recovery water tank and the water outlet of the dehumidification heat exchanger is provided with a temperature sensor and a one-way valve.

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