JPH0816476B2 - Manifold for mounting aftercooler of rotary pump for gas - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas rotary pump aftercooler mounting manifold for mounting an aftercooler for cooling high-temperature gas discharged from a gas rotary pump to a gas rotary pump.

[0002]

2. Description of the Related Art Compressed gas discharged from a vane pump of a rotary gas pump reaches a high temperature of about 100.degree. When the high-temperature gas discharged from such a gas rotary pump is fed as it is to various automatic machines, various problems occur.

Therefore, the gas rotary pump is provided with an aftercooler so that the high temperature gas discharged from the gas rotary pump passes through the aftercooler and the inside of the aftercooler passes through the outside air around the aftercooler. The gas to be cooled is being cooled. Then, the cooled gas is supplied to various automatic machines.

The gas rotary pump provided with this after cooler includes a gas rotary pump base as described in Japanese Utility Model Laid-Open No. 63-125184, which is commonly used as an after cooler. Actual development 64-292
It is known that an aftercooler is attached to a belt cover of a gas rotary pump as described in Japanese Patent No. 80.

[0005]

However, Japanese Utility Model Laid-Open No. 63-125184 and Japanese Utility Model Laid-Open No. 64-29280.
In the rotary pump for gas described in the publication, an aftercooler is provided in the base portion and the belt cover portion apart from the gas outlet of the rotary pump for gas. Therefore, the gas outlet is connected to the intake of the aftercooler. A great deal of labor and time were required for the piping work of the connecting pipe. At the same time, the intake port that takes in the gas to the aftercooler and the air supply port that sends out the cooled gas from the aftercooler are largely separated, and the piping of the connecting pipe that connects these intake ports and the air supply port. It took a lot of time and labor for the work.

SUMMARY OF THE INVENTION The present invention solves the above problems by mounting an aftercooler on a rotary gas pump.
An object of the present invention is to provide a manifold for attaching an aftercooler of a rotary pump for gas (hereinafter, referred to as a manifold).

[0007]

In order to achieve the above object, the manifold of the present invention is provided with an intake port for taking in gas such as outside air and an exhaust port connected to a gas intake port of a rotary pump for gas. A second airtight chamber having a first airtight chamber, an air inlet connecting the gas discharge port of the gas rotary pump, and one end of an aftercooler, and an air outlet for sending out gas, and the other of the aftercooler. It is composed of a third airtight chamber whose ends are connected to each other.
It is characterized in that the first, second and third airtight chambers are combined in a block shape in a state in which a heat insulating layer formed of a passage for passing outside air is interposed between the airtight chambers.

[0008]

In the manifold having the above structure, the gas inlet of the gas rotary pump is connected to the exhaust port of the first airtight chamber and the gas outlet of the gas rotary pump is connected to the air inlet of the second airtight chamber. By connecting, the gas such as the outside air taken from the intake port of the first airtight chamber is sent through the first airtight chamber to the gas suction port of the rotary pump for gas connected to the exhaust port of the first airtight chamber. You can Along with that
A second high-temperature gas discharged from the gas discharge port of the gas rotary pump is connected to the gas discharge port of the gas rotary pump.
It can be taken into the second airtight chamber from the air inlet of the airtight chamber, passed through the second airtight chamber, and sent to one end of the aftercooler connected to the second airtight chamber. And the gas,
After passing through the inside of the aftercooler and cooling with the outside air around the aftercooler, it can be sent into the third airtight chamber in which the other end of the aftercooler is connected. Then, the cooled gas can be sent to the outside of the manifold from the air supply port of the third hermetic chamber through the third hermetic chamber.

At the same time, a manifold formed by combining the first, second, and third airtight chambers in a block shape is mounted on a gas rotary pump portion having a gas discharge port and a gas suction port, and the manifold is The gas inlet of the gas rotary pump is directly connected to the exhaust port provided in the first airtight chamber, and the gas discharge port of the gas rotary pump is directly connected to the air inlet provided in the second airtight chamber of the manifold. You can do it.

Further, the second airtight chamber, through which the high-temperature gas discharged from the gas rotary pump passes, passes through the first airtight chamber through which air such as the outside air sent to the gas rotary pump passes, and the aftercooler to cool it. The second gas for passing the high-temperature gas discharged from the rotary pump for gas through the third airtight chamber through which the gas passes and the heat-insulating layer formed by the passage for passing the outside air having excellent heat insulation properties. The heat generated from the closed chamber is transmitted to the first and third airtight chambers adjacent to the second airtight chamber, and the gas sent to the rotary pump for gas that passes through the first airtight chamber and the aftercooler that passes through the third airtight chamber. It is possible to prevent the gas cooled by passing it from being heated. Therefore, it is possible to prevent the cooling efficiency of the gas that passes through the aftercooler and is cooled from decreasing.

[0011]

Embodiments of the present invention will now be described with reference to the drawings. 1 to 3 show a preferred embodiment of the manifold of the present invention, FIG. 1 is a partially cutaway enlarged perspective view showing a schematic structure of the manifold, and FIG. 2 is a front view of a gas rotary pump equipped with the manifold. FIG. 3 is a side view of a rotary gas pump equipped with the manifold. The manifold will be described below.

In the figure, 10 is a first hermetic chamber.

The first airtight chamber 10 has an intake port 12 for taking in a gas such as outside air, and a gas intake port 4 of a rotary gas pump.
2 and the exhaust port 14 connected to it.

Specifically, an intake port 12 is provided on the upper surface of the first airtight chamber 10 so as to communicate with the inner space of the first airtight chamber 10.

At the same time, an exhaust port 14 is provided on the lower surface of the first hermetic chamber 10 so as to communicate with the inner space of the first hermetic chamber 10.

Reference numeral 20 is a second hermetic chamber.

The second hermetic chamber 20 is provided with an intake port 22 connected to a gas discharge port (not shown) of a gas rotary pump, and one end of an aftercooler 50 is connected thereto.

Specifically, an intake port 22 is provided on the lower surface of the second airtight chamber 20 so as to communicate with the inner space of the second airtight chamber 20.

At the same time, one end of the plurality of pipes 52 of the aftercooler 50 in which a plurality of U-shaped bent pipes 52 are superposed in a cylindrical shape on the lower surface of the second airtight chamber 20 They are connected to each other by projecting into the space inside the airtight chamber 20.

Reference numeral 30 is a third hermetic chamber.

The third hermetic chamber 30 is provided with an air supply port 32 for sending out gas, and is connected to the other end of the aftercooler 50.

Specifically, an air supply port 32 is opened on the upper surface of the third hermetic chamber 30 so as to communicate with the inner space of the third hermetic chamber 30.

At the same time, the other ends of the plurality of pipes 52 of the aftercooler 50 are connected to the lower surface of the third hermetic chamber 30 so as to project into the inner space of the third hermetic chamber 30.

The first airtight chamber 10, the second airtight chamber 20, and the third airtight chamber 30, with the belt-shaped heat insulating layers 60, 62, 64 made of passages for passing the outside air interposed therebetween, Combined in blocks.

Specifically, the first airtight chamber 10, the second airtight chamber 20, and the third airtight chamber 30 are combined, for example, in the shape of a rectangular block having no irregularities, as shown in FIG. The manifold 100 formed by combining the first airtight chamber 10, the second airtight chamber 20, and the third airtight chamber 30 is the upper end surface of the gas rotary pump 40 that is formed in a planar shape, and is a gas rotary pump. The rotary pump for gas 40 having a gas inlet 42 and a gas outlet (not shown) of the pump can be stably mounted on the upper end surface. The aftercooler 50 can be stably attached to the rotary pump body 40 via the manifold 100. Along with that, the exhaust port 1 of the first airtight chamber of the manifold 100.
4 is directly connected to the gas intake port 42 of the rotary pump for gas, or the intake port 22 of the second airtight chamber of the manifold 100 thereof.
The gas discharge port of the gas rotary pump can be directly connected to. Further, as shown in FIG. 3, an air filter 70 is stably attached to the intake port 12 of the first airtight chamber of the manifold 100 which is combined in the block shape, or the manifold 100 which is combined in the block shape. The silencer 80 can be stably attached to the air supply port 32 of the third airtight chamber.

The manifold formed by combining the first airtight chamber 10, the second airtight chamber 20, and the third airtight chamber 30 is formed of a lightweight aluminum alloy having a good heat dissipation property.

The manifold shown in FIGS. 1 to 3 is constructed as described above. In this manifold, as shown in FIGS. 2 and 3, the first airtight chamber 10 and the second airtight chamber 2 are provided.
A manifold 100 formed by combining the third airtight chamber 30 and the third airtight chamber 30 in a block shape is stably mounted on the upper end surface of a gas rotary pump 40 having a gas inlet 42 and a gas outlet, and the manifold 100 is mounted on the manifold 100. After cooler 5 through
0 can be stably attached to the rotary pump 40. Then, the gas suction port 42 of the gas rotary pump is connected to the exhaust port 14 of the first airtight chamber of the manifold 100, and the gas discharge of the gas rotary pump 40 is discharged to the air inlet 22 of the second airtight chamber of the manifold 100. Gas of the rotary pump for gas connected to the outlet and passing the gas such as the outside air taken in from the intake 12 of the first hermetic chamber through the first hermetic chamber 10 and the exhaust port 14 of the first hermetic chamber It can be sent to the suction port 42. At that time, as shown in FIG. 3, the air filter 70 is stably attached to the intake 12 of the first airtight chamber of the block-shaped manifold 100, and the gas suction port 42 of the rotary pump for gas is installed. The air filter 70 can remove the dust contained in the gas such as the outside air sent to the. At the same time, the high-temperature gas discharged from the gas discharge port of the gas rotary pump 40 is introduced into the second airtight chamber 20 from the intake port 22 of the second airtight chamber connected to the gas discharge port of the gas rotary pump 40. , Through the inside of the second airtight chamber 20, and can be sent to one end of the aftercooler 50 connected to the second airtight chamber 20. Then, the gas is passed through the aftercooler 50 and cooled by the outside air around the aftercooler 50, and then sent into the third airtight chamber 30 to which the other end of the aftercooler 50 is connected, and the inside of the third airtight chamber 30 Through the air supply port 32 of the third hermetic chamber to the outside of the manifold 100. At that time, the silencer 80 is stably attached to the air supply port 32 of the third airtight chamber of the block-shaped manifold 100, and the gas sent from the air supply port 32 of the third airtight chamber to the outside of the manifold 100 is discharged. Noise suppressor 8
It can be removed by 0. In addition, the second airtight chamber 20 for passing the high-temperature gas discharged from the gas discharge port of the gas rotary pump 40 to the gas rotary pump 40, the first airtight chamber 10 for passing the gas such as the outside air, and the aftercooler 50. From the third hermetic chamber 30 through which the gas cooled by passing through the inside is passed,
Second, through which the high-temperature gas discharged from the gas discharge port of the gas rotary pump 40 passes, separated from each other through the heat insulating layers 60, 62, 64 formed of passages for passing outside air
The heat generated from the airtight chamber 20 passes through the first airtight chamber 10 adjacent to the second airtight chamber 20 and the gas such as the outside air sent to the rotary pump 40 for gas or the inside of the aftercooler 50 through the third airtight chamber 30. Can be prevented from being heated by passing through to the cooled gases.

The manifold of the present invention is not limited to the aftercooler 50 in which the plurality of pipes 52 are superposed in a tubular shape, but is also a U-shaped flat tubular body having a double wall structure having a void inside. It can also be used for aftercoolers consisting of etc., and in such aftercoolers,
One end and the other end of the U-shaped aftercooler are connected to the second airtight chamber 20 and the third airtight chamber 30, respectively,
The inside of the second airtight chamber 20 and the inside of the third airtight chamber 30 may be communicated with the aftercooler inner space having the double wall structure.

[0029]

As described above, according to the manifold of the present invention, the gas suction port of the gas rotary pump is connected to the exhaust port provided in the first airtight chamber of the manifold, and
The gas discharge port of the gas rotary pump is connected to the intake port provided in the second airtight chamber of the manifold, and gas such as outside air is sent to the gas suction port of the gas rotary pump through the first airtight chamber of the manifold. be able to. At the same time, the high-temperature gas discharged from the gas discharge port of the gas rotary pump is fed into the aftercooler through the second airtight chamber of the manifold and passed through the aftercooler.
After cooling with the outside air around the aftercooler, it can be sent out of the manifold through the third airtight chamber of the manifold.

Further, a manifold formed by combining the first, second and third airtight chambers in a block shape is mounted on the upper end surface of a gas rotary pump having a gas suction port and a gas discharge port, and the like. The gas inlet of the gas rotary pump is directly connected to the exhaust port of the first airtight chamber of the manifold, or the gas outlet of the gas rotary pump is directly connected to the air inlet of the second airtight chamber of the manifold. Can be connected to. And, the piping work such as connecting a connecting pipe for taking in gas such as outside air to the gas suction port of the gas rotary pump and connecting an aftercooler to the gas discharge port of the gas rotary pump via the connecting pipe is omitted. You can Along with that, the intake gas of the first airtight chamber of the manifold communicating with the gas suction port of the gas rotary pump and the gas of the third airtight chamber of the manifold that passes through the inside of the aftercooler and cools to the outside of the manifold. It is possible to bring the air supply port close to each other and facilitate the piping work of the connection pipes connected to the air intake port and the air supply port.

Further, the second airtight chamber for passing the high temperature gas discharged from the gas rotary pump, the first airtight chamber for passing the gas such as the outside air sent to the gas suction port of the gas rotary pump, and the inside of the after cooler. The high-temperature gas discharged from the rotary pump for gas passes through the third airtight chamber through which the cooled and passed gas passes and the heat-insulating layer made of a passage for passing the outside air, which is excellent in heat insulation, and are separated from each other. The heat generated from the second airtight chamber heats the gas such as the outside air sent to the gas rotary pump passing through the first airtight chamber and the gas cooled by passing through the after cooler passing through the third airtight chamber. It is possible to prevent the cooling efficiency of the gas cooled by passing through the cooler from decreasing. In addition, since the passage for passing the outside air is used for the heat insulating layer, it is not necessary to use the heat insulating material for forming the heat insulating layer, the number of parts of the manifold can be suppressed, and the manufacturing thereof can be facilitated and simplified.

Further, since the manifold formed by combining the first, second, and third hermetic chambers is formed in a block shape without unevenness, the manifold is rotated for gas with a gas discharge port and a gas suction port. It can be stably mounted on the upper end surface of the pump, etc., and the aftercooler can be stably attached to the rotary pump body via its manifold, or the manifold can be easily formed integrally by casting etc. without trouble. ,
Attach a stable air filter to the intake of the first airtight chamber of the block-shaped manifold, or attach a silencer to the air inlet of the third airtight chamber of the block of the manifold. You can

[Brief description of drawings]

FIG. 1 is a partially cutaway enlarged perspective view showing a schematic structure of a manifold of the present invention.

FIG. 2 is a front view of a rotary gas pump equipped with the manifold of the present invention.

FIG. 3 is a side view of a rotary gas pump equipped with the manifold of the present invention.

[Explanation of symbols]

 10 First Airtight Chamber 12 Intake Port 14 Exhaust Port 20 Second Airtight Chamber 22 Inlet Port 30 Third Airtight Chamber 32 Air Delivery Port 40 Gas Rotary Pump 42 Gas Inlet Port 50 After Cooler 52 Pipes 60, 62, 64 Insulation Layer 100 manifold

Claims (1)

[Claims] 1. A first airtight chamber having an intake port for taking in gas such as outside air and an exhaust port connected to a gas intake port of a gas rotary pump, and a gas discharge port of the gas rotary pump. It is composed of a second airtight chamber having an intake port and one end of the aftercooler connected to it, and a third airtight chamber having an air supply port for sending gas and having the other end of the aftercooler connected to each other. A gas characterized in that the first, second, and third hermetic chambers are combined in a block shape with a heat insulating layer made of a passage for passing outside air interposed between the second and third hermetic chambers. For installing aftercooler for rotary pumps.