CN217635584U - Heat recovery device - Google Patents

Abstract

The utility model belongs to the technical field of steam condensing equipment, concretely relates to heat recovery device. The problem of steam recovery difficulty in the production technology, direct emission can cause energy loss is solved. The utility model comprises a heat recovery device, which comprises a condensing tank and a boiler; a spiral steam pipe is arranged in the condensing tank, penetrates through the condensing tank and then is communicated with a boiler; the condensing tank is provided with a water inlet pipe and a water outlet pipe, one end of the water outlet pipe is communicated with the condensing tank, and the other end of the water outlet pipe is communicated with the boiler. In order to solve the technical problem, the utility model provides a heat recovery device, its aim at retrieves the vapor after using, is used for the production technology in the middle of with heat energy wherein again, reduces the loss of the energy.

Description

Heat recovery device

Technical Field

The utility model belongs to the technical field of steam condensing equipment, concretely relates to heat recovery device.

Background

In the production process, it is often necessary to heat the equipment with steam or to remove water from the material, but the water used is

How to recycle the steam becomes a difficult problem in the production process, the used steam is directly discharged to waste energy, and the steam has high content

The temperature is also easy to cause damage to the environment and human body. At present, the recovery of the condensed water of domestic enterprises basically adopts an open water tank, a water tank and the like,

In order to reduce the discharge of flash evaporation secondary steam (the temperature of condensed water is high, the pressure of the steam entering an open system is reduced, a large amount of sensible heat is changed into latent heat, and secondary vaporization is formed). Some enterprises adopt water mixing for cooling, so that the water quality and the utilization value are reduced, and other enterprises are specially provided with a condenser, the circulating water absorbs heat of flash evaporation secondary steam and then discharges the heat through a water cooling tower, so that equipment and new energy are required for wasting the energy. The high-temperature steam can damage the water pump, so that the steam can be recycled only by condensing and cooling the steam in the process of recycling the steam.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat recovery device, its aim at will use the water vapor after the evaporation

The gas is recovered, and the heat energy in the gas is reused in the production process, so that the energy loss is reduced.

The utility model adopts the technical scheme as follows:

a heat recovery device comprises a condensing tank and a boiler; the condensing tank is provided with a spiral steam pipe and steam

The pipe passes through the condensing tank and then is communicated with the boiler; a water inlet pipe and a water outlet pipe are arranged on the condensing tank, one end of the water outlet pipe is connected with the condensing tank

And the other end of the water outlet pipe is communicated with the boiler.

By adopting the technical scheme, the water vapor in the steam pipe can be subjected to heat exchange with the low-temperature water added by the water inlet pipe, the water vapor is condensed into hot water, the low-temperature water in the condensation tank is also changed into hot water due to the heat exchange with the water vapor, and the hot water condensed by the water vapor and the hot water in the condensation pipe are pumped into the boiler to be heated to generate the water vapor for the subsequent production process.

Preferably, a water suction pump is arranged at the position, close to the boiler, of the water outlet pipe and the steam pipe. By adopting the preferable technical scheme, the water pumps are arranged at the positions, close to the boiler, of the water outlet pipe and the steam pipe, so that the water in the steam pipe and the condensing tank is pumped into the boiler, and the working efficiency can be improved.

Preferably, a metal fin is provided at a spiral portion of the steam pipe, and the plurality of metal fins are parallel to each other. By adopting the preferable technical scheme, the metal radiating fins are arranged on the steam pipe, because metal has good heat conductivity, heat in the steam pipe can be quickly transmitted to the metal fins, and the contact surface between the metal radiating fins and low-temperature water in the condensing tank is large, so that heat can be quickly transmitted to the low-temperature water in the condensing tank, and the heat exchange efficiency is improved.

Preferably, valves are arranged on the water inlet pipe and the water outlet pipe, and a steam pipe valve is arranged on a steam pipe between the condensation tank and the boiler. By adopting the preferable technical scheme, each stage of condensation can be controlled by a valve.

Preferably, a temperature sensor and a controller are arranged in the condensing tank, an alarm device is arranged outside the condensing tank, the temperature sensor and the controller are fixed on the inner wall of the condensing tank, the temperature sensor is connected with the controller and the alarm device, and the controller is connected with a steam pipe valve outside the condensing tank and valves on a water inlet pipe and a water outlet pipe. Adopt above-mentioned preferred technical scheme, can make the judgement to the temperature in the condensation jar through controller and temperature-sensing ware to this controls the purpose that reaches the water of changing to the valve, and when breaking down, the jar internal temperature is too high and when not changing water, alarm device can sound, reminds the staff to change water.

Preferably, alarm device includes bee calling organ and LED light alarm, and when jar in-temperature was too high, bee calling organ and LED light alarm started, can inform the staff more efficiently.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the steam in the steam pipe is contacted with the water in the condensing tank for heat exchange, so that the steam is condensed into heat

Water, also increasing the temperature of the water in the condensation tank, and then transporting the water and the water to a boiler through a pipeline, wherein the boiler is added to produce

The new water vapor is used for the subsequent production process.

2. The water pumps are arranged at the positions, close to the boiler, of the water outlet pipe and the steam pipe, and the water pumps are used for pumping water in the water outlet pipe and the steam pipe to the boiler, so that the working efficiency can be improved.

3. The metal radiating fins are arranged on the spiral position of the steam pipe, and the steam pipe penetrates through the plurality of radiating fins and is tightly connected through a welding process, so that heat in the steam can be quickly transferred to water in the condensing tank, and the heat exchange efficiency is improved.

4. The valves are arranged on the water inlet pipe and the water outlet pipe, and the steam pipe valve is arranged on the steam pipe, so that an operator can control each stage of condensation through the valves.

5. Through be provided with temperature-sensing ware and controller in the condensing tank, the condensing tank sets up alarm device outward, temperature-sensing ware and controller are fixed in on the condensing tank inner wall, temperature-sensing ware is connected with outside alarm device, the controller is connected with the valve on the outside steam pipe valve of condensing tank and the inlet tube and the outlet pipe, can make the judgement to the temperature in the condensing tank through controller and temperature-sensing ware, with this control the valve and reach the purpose of changing water, when breaking down, the temperature is too high in the jar and when not changing water, alarm device can sound, remind the staff to change water.

6. Alarm device includes bee calling organ and LED light alarm, and when jar internal temperature was too high, bee calling organ and LED light alarm started, can inform the staff more efficiently.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of a helical steam tube;

reference numerals

1-steam pipe, 2-condensing tank, 3-boiler, 4-water inlet pipe, 5-water outlet pipe, 6-second water pump, 7-first water pump, 8-

Steam pipe valve, 9-metal heat sink, 10-temperature sensor, 11-controller, 12-alarm.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following description is provided with reference to the accompanying drawings of the embodiments of the present application,

the technical solutions in the embodiments of the present application are clearly and completely described, and it is obvious that the described embodiments are only the first embodiment of the present application

Some embodiments, not all embodiments. Components of embodiments of the present application, generally described and illustrated in the figures herein, may be used in a variety of ways

Arranged and designed in a variety of different configurations. Thus, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is

And is not intended to limit the scope of the claimed application but is merely representative of selected embodiments of the application. Based on this application

Examples, all other examples obtained by a person skilled in the art without making any inventive step, belong to the same group of examples

The scope of protection of this application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail with reference to fig. 1 to 2.

Example 1:

as shown in fig. 1, a spiral steam pipe 1 passes through the top of a condensation tank 2 and out of the side of the condensation tank 2. The described

One end, penetrating out, of the steam pipe 1 is communicated with the boiler 3, a first water suction pump 7 is arranged on the steam pipe 1 between the condensing tank 2 and the boiler 3, and a steam pipe valve 8 is arranged on the steam pipe 1 between the first water suction pump 7 and the condensing tank 2; as shown in fig. 2, a plurality of metal fins 9 are provided on the spiral portion of the steam pipe 1, and the steam pipe 1 passes through the metal fins 9 and is tightly connected by a welding process; a water inlet pipe 4 is arranged on the side surface of the condensing tank 2, and a valve is arranged on the water inlet pipe; be provided with outlet pipe 5 in condensing tank 2 side, outlet pipe 5 one end is passed condensing tank 2, is connected with condensing tank 2 through the welding, the other end and the boiler 3 intercommunication of outlet pipe 5, outlet pipe 5 on be provided with second suction pump 6, be provided with the valve on the outlet pipe. A temperature sensor 10 and a controller 11 are arranged in the condensing tank 2, the temperature sensor 10 and the controller are fixed on the inner wall of the condensing tank 2, an alarm device 12 is arranged outside the condensing tank 2, the temperature sensor 10 is connected with the controller 11 and the alarm device 12, and the alarm device 12 is connected with valves on a water inlet pipe and a water outlet pipe and a steam pipe valve.

When the steam pipe is in work, steam to be recovered enters the condensing tank 2 from the steam pipe 1, enough low-temperature water enters the condensing tank 2 through the water inlet pipe 4, when the steam passes through the spiral part of the steam pipe 1, the heat in the steam is quickly transferred to the metal radiating fins due to the high heat conduction speed of the metal radiating fins 10, and the heat in the steam is quickly transferred to the low-temperature water in the condensing tank 2 through heat exchange because the large contact surface between the metal radiating fins 9 and the low-temperature water in the condensing tank 2; the water vapor is condensed into hot water after exchanging heat with water in the condensation tank 2, and the first water pump 7 pumps the hot water in the steam pipe 1 into the boiler 3; after the low-temperature water in the condensing tank 2 exchanges heat with the water vapor, the temperature gradually rises, the water temperature in the condensing tank 2 continuously rises and the heat exchange efficiency of the water vapor in the steam pipe 1 continuously drops, when the water temperature in the condensing tank 2 rises to a certain degree, the heat exchange efficiency of the water vapor becomes very low, at the moment, the water temperature reaches a set value, data of the temperature sensor 10 are transmitted to the controller 11, the controller 11 can control the valve on the water outlet pipe 5 to be opened and control the valve 8 of the steam pipe to be closed, because the temperature in the condensing tank 2 is high and the heat exchange efficiency is low, the water vapor is easy to be not condensed and reaches the first water pump 7, the high-temperature water vapor can damage the first water pump 7, the situation can be avoided after the valve 8 of the steam pipe is closed, the second water pump pumps the hot water in the condensing tank into the boiler after the valve on the water outlet pipe 5 is opened, the controller 11 controls the valve on the water outlet pipe 5 to be closed, then controls the valve on the water inlet pipe 4 to be opened, and the external low-temperature water is fed into the condensing tank 2; because the temperatures of the two kinds of water are not low and both the two kinds of water carry a large amount of heat, the two kinds of water can be heated into steam again without spending much energy during heating so as to provide the steam for the subsequent production process.

Example 2:

different from the embodiment 1, a return pipe is added on the steam pipe 1, one end of the return pipe is connected with the condensing tank 2 and the first pump

The steam pipe 1 between the water pumps 7 is communicated, and the other end is communicated with the inlet of the steam pipe 1.

During operation, the steam pipe valve 8 is closed, the steam is stored in the steam pipe 1 after being condensed through heat exchange, the water temperature in the condensation tank 2 continuously rises, and in the process that the heat exchange efficiency continuously drops, a small part of uncondensed steam cannot advance after reaching the position along with hot water before reaching the first water suction pump 7, but because the steam density is lower than air, the steam returns to the inlet of the steam pipe 1 along the return pipe and is condensed again.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (6)

1. A heat recovery device is characterized by comprising a condensing tank (2) and a boiler (3), wherein a spiral steam pipe (1) is arranged in the condensing tank (2), the steam pipe (1) penetrates through the condensing tank (2) to be communicated with the boiler (3), a water inlet pipe (4) and a water outlet pipe (5) are arranged on the condensing tank (2), one end of the water outlet pipe (5) is communicated with the condensing tank (2), and the other end of the water outlet pipe (5) is communicated with the boiler (3); a return pipe is additionally arranged on the steam pipe (1), one end of the return pipe is communicated with the steam pipe (1) between the condensing tank (2) and the first water suction pump (7), and the other end of the return pipe is communicated with an inlet of the steam pipe (1).

2. A heat recovery device according to claim 1, characterized in that the steam pipe (1) is provided with a first suction pump (7) near the boiler (3) and a second suction pump (6) on the outlet pipe.

3. A heat recovery device according to claim 2, characterized in that a plurality of metal fins (9) are fixedly connected to the spiral portion of the steam pipe (1), the plurality of metal fins (9) being parallel to each other.

4. A heat recovery device according to claim 1, characterized in that the inlet pipe (4) and the outlet pipe (5) are provided with valves, and the steam pipe (1) between the condensation tank (2) and the boiler (3) is provided with a steam pipe valve (8).

5. A heat recovery device according to claim 4, characterized in that the device further comprises a temperature sensor (10), a controller (11) and an alarm device (12), the temperature sensor (10) is arranged in the condensation tank (2) and is connected with the controller (11) and the alarm device (12), and the controller (11) is connected with the water outlet valve and the water inlet valve respectively.

6. A heat recovery device according to claim 5, wherein the alarm means (12) comprises a buzzer and an LED light alarm.

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