CN216223715U - A compressed air automatic drainage device - Google Patents

Abstract

The utility model discloses an automatic compressed air drainage device, which comprises a precooler and an evaporator, wherein a heat source outlet of the precooler is connected with an air inlet of the evaporator through a first air conveying pipe, an air outlet of the evaporator is connected with a cold source inlet of the precooler through a second air conveying pipe, water collecting containers are respectively arranged on the first air conveying pipe and the second air conveying pipe, the corresponding air conveying pipes are divided into two sections of air conveying distribution pipes through the water collecting containers, two air interfaces and a condensate water interface are arranged on the side wall of each water collecting container, the height position of the condensate water interface is lower than that of the two air interfaces, the two air interfaces are respectively connected with the two sections of air conveying distribution pipes, and the condensate water interface is externally connected with the head end of a condensate water outlet pipe. Compared with the prior art, the utility model has the following advantages: the automatic and effective discharge of condensed water in the compressed air is realized, and the energy waste is reduced.

Description

A compressed air automatic drainage device

technical field

The utility model relates to the technical field of compressed air condensate water discharge devices, in particular to an automatic compressed air drainage device.

Background technique

Compressed air is commonly used in industrial production. Because the compressed air will become compressed air with high temperature and high humidity after being compressed by an air compressor, it cannot be directly transported to the user, and needs to be cooled and dehumidified before being transported to the user. The traditional method is to use the refrigerant in the evaporator to cool and dehumidify the compressed air. The air outlet of the evaporator is connected to the air outlet pipe. The compressed air after the evaporator is cooled and dehumidified still contains condensed water. Air leakage often occurs and there is a problem of wasting energy.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide an automatic drainage device for compressed air, so as to realize the automatic and effective discharge of condensed water in the compressed air and reduce energy waste.

The utility model is achieved through the following technical solutions:

An automatic drainage device for compressed air, comprising a precooler and an evaporator, the heat source inlet of the precooler is connected to a compressed air intake pipe, and the heat source outlet of the precooler is connected to the air inlet of the evaporator through a first conveying air pipe, and the evaporator is evaporated. The air outlet of the cooler is connected to the cold source inlet of the precooler through the second air delivery pipe, the cold source outlet of the precooler is connected to the compressed air outlet pipe, and the first air delivery pipe and the second air delivery pipe are respectively provided with water collecting containers , the corresponding conveying gas pipe is divided into two sections of conveying gas distribution pipes through the water collecting container. There are two gas ports and one condensed water port on the side wall of each water collecting container. The height of the condensed water port is lower than the two gas ports. The two gas ports are connected to the two sections of conveying gas distribution pipes respectively, the condensate water port is connected to the head end of the condensate water outlet pipe, and the ends of the two condensate water outlet pipes corresponding to the two water collecting containers are collected into a condensate water outlet. On the water outlet main pipe, the height of the end of each condensate water outlet pipe is lower than the head end of the condensate water outlet pipe, and a water outlet valve is arranged on the condensate water outlet main pipe.

Further, a section of the condensate water outlet pipe close to the head end is an inclined pipe extending obliquely downward.

Further, the water outlet valve on the condensate water outlet main pipe includes a water outlet manual valve and a water outlet solenoid valve, and a liquid level gauge is provided in the water collecting container.

Further, the top wall of the inner cavity of the water collection container is provided with a baffle plate extending downward, a gap is left between the bottom of the baffle plate and the bottom wall of the inner cavity of the water collection container, and the two gas interfaces of the water collection container are respectively located on the baffle plate. on both sides.

Further, the bottom of the water collecting container is connected with a sewage pipe, and the sewage pipe is provided with a sewage valve.

Compared with the prior art, the utility model has the following advantages:

The utility model provides an automatic water drainage device for compressed air, wherein water collection containers are respectively arranged on the two conveying air pipes between the evaporator and the precooler, and the moisture in the compressed air being conveyed is drained through the water collection containers. It is automatically separated and collected, and automatically discharged through the condensate water outlet pipe, which effectively solves the leakage of compressed air in the subsequent discharge of condensate water in the prior art, and reduces energy waste.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Numerals in the figure: 1 Precooler; 2 Evaporator; 3 Compressed air intake pipe; 4 The first delivery pipe; 5 The second delivery pipe; 6 Compressed air outlet pipe; 7 Water collection container; 8 Condensate water outlet pipe; Water outlet main pipe; 10 outlet manual valve; 11 outlet solenoid valve; 12 baffle; 13 sewage pipe; 14 sewage valve.

Detailed ways

The embodiments of the present utility model are described in detail below. The present embodiment is implemented on the premise of the technical solution of the present utility model, and provides detailed implementation methods and specific operation processes, but the protection scope of the present utility model is not limited to the following described embodiment.

Referring to FIG. 1 , the present embodiment discloses an automatic drainage device for compressed air, including a precooler 1 and an evaporator 2. The heat source inlet of the precooler 1 is connected to a compressed air intake pipe 3, and the heat source outlet of the precooler 1 passes through The first air delivery pipe 4 is connected to the air inlet of the evaporator 2, the air outlet of the evaporator 2 is connected to the cold source inlet of the precooler 1 through the second air delivery pipe 5, and the cold source outlet of the precooler 1 is connected to compressed air The air outlet pipe 6 , the first conveying air pipe 4 and the second conveying air pipe are respectively provided with a water collecting container 7 , and a liquid level gauge is arranged in the water collecting container 7 . The corresponding conveying gas pipe is divided into two sections of conveying gas distribution pipes by the water collecting container 7, and two gas ports and one condensing water port are opened on the side wall of each water collecting container 7, and the height position of the condensing water port is lower than the two gas ports. The height of the interface, the two gas interfaces are respectively connected with the two sections of conveying gas distribution pipes, the condensed water interface is connected to the head end of the condensed water outlet pipe 8, and the ends of the two condensed water outlet pipes 8 corresponding to the two water collecting containers 7 are collected to On a condensate water outlet main pipe 9, the height position of the end of each condensate water outlet pipe 8 is lower than the position of the head end of the condensate water outlet pipe 8, and the section of the condensate water outlet pipe 8 near the head end is an inclined pipe extending downward. Setting the inclined pipe can realize the automatic outflow of the condensed water in the water collecting container 7 . The condensate water outlet main pipe 9 is provided with a water outlet valve, and the water outlet valve includes a water outlet manual valve 10 and a water outlet solenoid valve 11 .

The top wall of the inner cavity of the water collection container 7 is provided with a baffle plate 12 extending downward, and a gap is left between the bottom of the baffle plate 12 and the bottom wall of the inner cavity of the water collection container 7, and the two gas ports of the water collection container 7 are respectively located at Both sides of the baffle 12 . The baffle 12 is provided to temporarily block the incoming compressed air, so that the compressed air effectively collides with the inner wall of the water collection container 7, so that the moisture in the compressed air condenses and flows down along the inner wall of the water collection container 7, and is collected in the water collection container. within 7.

A drain pipe 13 is connected to the bottom of the water collecting container 7 , and a drain valve 14 is arranged on the drain pipe 13 .

The working process of this embodiment is as follows:

The high-temperature and high-humidity compressed air from the air compressor enters the pre-cooler 1 through the compressed air intake pipe 3, and after being cooled by the pre-cooler 1, enters the evaporator 2 through the first conveying air pipe 4, and passes through the evaporator 2. After cooling and dehumidification, the low-temperature and low-humidity compressed air enters the precooler 1 through the second air pipe 5, and the low-temperature and low-humidity compressed air from the cold source inlet is used to cool the high-temperature and high-humidity compressed air from the heat source The compressed air coming out of the source outlet is the compressed air with medium temperature and low humidity, and the compressed air with medium temperature and low humidity is transported to the compressed air sub-cylinder through the compressed air outlet pipe 6 for the user to use.

Among them, when the compressed air passes through the first conveying air pipe 4 and the second conveying air pipe, due to the existence of the water collecting container 7, the moisture in the compressed air being conveyed can be automatically separated and collected, and discharged through the condensed water outlet pipe 8 , the ends of the two condensed water outlet pipes 8 are collected into the condensed water outlet main pipe 9, and flow into the trench through the condensed water outlet main pipe 9. The liquid level in the water collection container 7 is automatically detected by the liquid level gauge, and the water outlet solenoid valve 11 is automatically opened according to the level of the liquid level, so as to realize the automatic discharge of the condensed water in the water collection container 7 .

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (5)

1. The utility model provides an automatic drainage device of compressed air, includes precooler, evaporimeter, the heat source access connection compressed air intake pipe of precooler, and the heat source export of precooler is connected with the air inlet of evaporimeter through first gas transmission pipe, and the gas outlet of evaporimeter is connected with the cold source import of precooler through second gas transmission pipe, and the cold source exit linkage compressed air outlet duct of precooler, its characterized in that: the condensation water conveying device is characterized in that water collecting containers are respectively arranged on the first gas conveying pipe and the second gas conveying pipe, the corresponding gas conveying pipes are divided into two sections of gas conveying branch pipes through the water collecting containers, two gas interfaces and a condensation water interface are arranged on the side wall of each water collecting container, the height position of each condensation water interface is lower than that of the two gas interfaces, the two gas interfaces are respectively connected with the two sections of gas conveying branch pipes, the condensation water interfaces are externally connected with the head ends of condensation water outlet pipes, the tail ends of the two condensation water outlet pipes corresponding to the two water collecting containers are converged on a condensation water outlet header pipe, the height position of the tail end of each condensation water outlet pipe is lower than that of the head end of the condensation water outlet pipe, and a water outlet valve is arranged on the condensation water outlet header pipe.

2. The automatic compressed air drainage device according to claim 1, wherein: and a section of pipe of the condensed water outlet pipe close to the head end is an inclined pipe which extends obliquely and downwards.

3. The automatic compressed air drainage device according to claim 1, wherein: the water outlet valve on the condensed water outlet main pipe comprises a water outlet manual valve and a water outlet electromagnetic valve, and a liquid level meter is arranged in the water collecting container.

4. The automatic compressed air drainage device according to claim 1, wherein: the top wall of the inner cavity of the water collecting container is provided with a baffle extending downwards, a gap is reserved between the bottom of the baffle and the bottom wall of the inner cavity of the water collecting container, and two gas interfaces of the water collecting container are respectively positioned on two sides of the baffle.

5. The automatic compressed air drainage device according to claim 1, wherein: the bottom of the water collecting container is connected with a blow-off pipe, and a blow-off valve is arranged on the blow-off pipe.

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