CN216619358U - Compressed air purification device and compressed air equipment - Google Patents

Abstract

The utility model provides a compressed air purification device and compressed air equipment, and relates to the field of compressed air equipment. The compressed air purification device comprises two purification passages, wherein each purification passage is provided with an air inlet branch pipe, a gas-water separator and an air outlet branch pipe, an air inlet of the gas-water separator is communicated with the air inlet branch pipe, an air outlet of the gas-water separator is communicated with the air outlet branch pipe, the air inlet branch pipe is provided with an air inlet manual valve, and the air outlet branch pipe is provided with an air outlet manual valve; the gas-water separator is provided with a water level sensor and a drain pipe, the drain pipe is provided with a drain electromagnetic valve, and the water level sensor is electrically connected with the drain electromagnetic valve; two drain solenoid valves in the two purge paths are interlocked. The opening and closing conditions of the drainage electromagnetic valve can be controlled more visually and accurately by utilizing the water level sensor, and timely drainage is guaranteed. Two drainage solenoid valves interlocking sets up, can also prevent effectively that two drainage solenoid valves from draining simultaneously, and then lead to the problem of atmospheric pressure decline to appear.

Description

Compressed air purification device and compressed air equipment

Technical Field

The utility model relates to the field of compressed air equipment, in particular to a compressed air purification device and compressed air equipment.

Background

At present, compressed air purification devices mainly perform compressed air purification by alternately performing periodic water discharge (for example, water discharge for 5 seconds every 3 hours) using a water discharge solenoid valve in a 2-way gas-water separator. And is respectively provided with an inlet manual isolation valve and an outlet manual isolation valve for manual isolation in the equipment failure state.

The prior compressed air purification device has the following defects:

1. among the prior art, the drainage is only controlled through the time that has set for in advance, and water content is great in the compressed air, and predetermined drainage time is long enough, will appear ponding > displacement, leads to the interior liquid level of separator to rise constantly, and compressed air takes water, damages gas appliances.

2. In the prior art, the steam-water separator is made of plastic, and is easy to age and crack after being used for a long time. Once the separator breaks, because purifier pipe diameter is great, will produce very serious gas leakage, lead to purifier rear end equipment atmospheric pressure to drop sharply, influence the safety in production.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

The object of the present invention includes, for example, providing a compressed air purifying apparatus and a compressed air device.

Embodiments of the utility model may be implemented as follows:

in a first aspect, the utility model provides a compressed air purification device, which comprises two purification passages, wherein each purification passage is provided with an air inlet branch pipe, a gas-water separator and an air outlet branch pipe; a water level sensor is arranged in the gas-water separator, a drain pipe for discharging separated liquid is arranged at the bottom of the gas-water separator, a drain electromagnetic valve is arranged on the drain pipe, and the water level sensor is electrically connected with the drain electromagnetic valve; two of the drain solenoid valves in the two purge paths are interlocked, one of the two drain solenoid valves is open and the other is closed.

In an optional embodiment, a first isolation electromagnetic valve is further arranged on the air inlet branch pipe, and the first isolation electromagnetic valve is located between the air inlet manual valve and the gas-water separator.

In an optional embodiment, a second isolation solenoid valve is further disposed on the gas outlet branch pipe, and the second isolation solenoid valve is located between the gas outlet manual valve and the gas-water separator.

In an optional embodiment, a pressure sensor is further disposed in the gas-water separator, and the pressure sensor is electrically connected to the first isolation solenoid valve and the second isolation solenoid valve at the same time.

In an optional embodiment, the compressed air purification device further comprises an alarm indicator light, and the alarm indicator light is connected with the pressure sensor.

In an alternative embodiment, the number of the purge passages is two, two of the first isolation solenoid valves in the two purge passages are interlocked, one of the two first isolation solenoid valves is open, and the other is closed.

In an optional embodiment, the compressed air purification device further comprises an air inlet manifold and an air outlet manifold, wherein the ends, far away from the gas-water separator, of the air inlet branch pipes are communicated with the air inlet manifold, and the ends, far away from the gas-water separator, of the air outlet branch pipes are communicated with the air outlet manifold.

In a second aspect, the present invention provides a compressed air installation comprising a compressed air purification device as described in any one of the preceding embodiments.

The beneficial effects of the embodiment of the utility model include, for example:

the embodiment of the utility model provides a compressed air purification device, which controls the opening and closing of a water discharging electromagnetic valve on a water discharging pipe through a water level sensor arranged in a gas-water separator, can more intuitively and accurately control the opening and closing conditions of the water discharging electromagnetic valve, ensures timely water discharging under the condition that the water content of compressed air is large, and avoids the damage of gas equipment caused by the water carried by the compressed air. Two drainage solenoid valve interlocks in this application set up, can guarantee only when a drainage solenoid valve does not put through, and another drainage solenoid valve just can put through to can also prevent effectively that two drainage solenoid valves from the drainage simultaneously, and then lead to the problem of atmospheric pressure decline to appear. The compressed air equipment provided by the embodiment of the utility model can run more safely and stably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a compressed air purification apparatus according to an embodiment of the present application.

An icon: 100-compressed air purification device; 110-an intake manifold; 120-a purge path; 121-an inlet manifold; 1211-manual valve for air intake; 1212-a first isolation solenoid valve; 122-gas-water separator; 1221-a water level sensor; 1222-a drain pipe; 1223-a drain solenoid valve; 1224-a pressure sensor; 123-an air outlet branch pipe; 1231-manual valve for gas out; 1232-a second isolation solenoid valve; 130-gas outlet manifold.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, the present embodiment provides a compressed air purification apparatus 100, which includes an air inlet manifold 110, two purification passages 120 and an air outlet manifold 130, wherein air inlets of the two purification passages 120 are simultaneously communicated with the air inlet manifold 110, and air outlets of the two purification passages 120 are simultaneously communicated with the air outlet manifold 130.

The air inlet main pipe 110 is used for introducing compressed air, and introducing the introduced compressed air into the two purification passages 120 respectively, the two purification passages 120 purify the compressed air and then discharge the purified compressed air to the air outlet main pipe 130 from an air outlet, and the air outlet main pipe 130 is used for providing the purified compressed air for the air-using equipment so as to enable the air-using equipment to normally operate.

In this application, all be provided with air inlet branch pipe 121, gas-water separator 122 and branch pipe 123 of giving vent to anger on every purification route 120, the air inlet and the branch pipe 121 intercommunication of giving vent to anger of gas-water separator 122, gas outlet and the branch pipe 123 intercommunication of giving vent to anger of gas-water separator 122, the one end and the air inlet manifold 110 intercommunication of gas-water separator 122 are kept away from to a plurality of branch pipes 121 of giving vent to anger, the one end and the house steward 130 intercommunication of giving vent to anger of gas-water separator 122 are kept away from to a plurality of branch pipes 123 of giving vent to anger. Through setting up two way purification route 120 in this application, can guarantee when purification route 120 of the same kind stops operating, another way purification route 120 still can move, and then guarantees that compressed air can continuously purify, and gas appliances can continuously operate.

A water level sensor 1221 is arranged in the gas-water separator 122, a drain pipe 1222 for discharging separated liquid is arranged at the bottom of the gas-water separator 122, a drain solenoid valve 1223 is arranged on the drain pipe 1222, and the water level sensor 1221 is electrically connected with the drain solenoid valve 1223.

Utilize water level sensor 1221 to control opening and close of drainage solenoid valve 1223 in this application, when the water level was higher than the setting value, water level sensor 1221 control drainage solenoid valve 1223 opened and carries out the drainage, and until the water level low to water level sensor 1221's value that resets, water level sensor 1221 control drainage solenoid valve 1223 closes. Direct height with the water level in this application is controlled drainage solenoid valve 1223, and the periodic drainage of time sequence control among the non prior art, the condition of opening and close of control drainage solenoid valve 1223 that can be more directly perceived and accurate to under the great condition of compressed air water content, guarantee timely drainage, avoid compressed air to take water to lead to gas appliances to damage. Since the number of the purge passages 120 is two in the present embodiment, the present embodiment provides two drain solenoid valves 1223 in the two purge passages 120 in an interlocking manner, one of the two drain solenoid valves 1223 is open, and the other is closed. The setting of interlocking can guarantee that only when a drainage solenoid valve 1223 did not put through, another drainage solenoid valve 1223 just can put through to can also prevent effectively that two drainage solenoid valves 1223 from draining simultaneously, and then lead to the problem of atmospheric pressure decline to appear.

Further, in the present application, the inlet branch pipe 121 is provided with an inlet manual valve 1211, and the outlet branch pipe 123 is provided with an outlet manual valve 1231; the manual inlet valve 1211 and the manual outlet valve 1231 may be manually adjusted to isolate the gas-water separator 122 in case of a malfunction of the gas-water separator 122, so as to perform maintenance on the gas-water separator 122. However, it is difficult for the operation and maintenance personnel to intuitively find that the gas-water separator 122 is in a fault, and in the actual working condition, the operation and maintenance personnel simultaneously have a plurality of gas-water separators 122, a plurality of manual air inlet valves 1211 and manual air outlet valves 1231, even after finding the gas-water separator 122, the operation and maintenance personnel are difficult to timely judge which gas-water separator 122 is in a fault, and it is more difficult to timely find the corresponding manual air inlet valves 1211 and manual air outlet valves 1231 for manual adjustment, so that the manual adjustment has hysteresis, and thus the gas-water separator 122 is easily damaged or the subsequent gas equipment is in a fault. In the present application, a first isolation solenoid valve 1212 is further disposed on the inlet branch pipe 121, a second isolation solenoid valve 1232 is further disposed on the outlet branch pipe 123, the first isolation solenoid valve 1212 is located between the inlet manual valve 1211 and the gas-water separator 122, and the second isolation solenoid valve 1232 is located between the outlet manual valve 1231 and the gas-water separator 122. Through the electric driving of the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232, the gas-water separator 122 can be quickly and automatically closed when the gas-water separator 122 fails, so that the damage to the gas-water separator 122 or the failure of subsequent gas-using equipment can be effectively avoided. Meanwhile, the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232 are additionally arranged in the electromagnetic valve assembly, and the original air inlet manual valve 1211 and air outlet manual valve 1231 are not changed, so that the purpose of setting can be ensured that when the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232 have faults, the air inlet manual valve 1211 and the air outlet manual valve 1231 can still be manually adjusted and closed, and therefore the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232 are isolated, and maintenance is facilitated.

Specifically, in the embodiment, the pressure sensor 1224 is disposed in the air-water separator 122, and the compressed air purification apparatus 100 further includes an alarm indicator (not shown), wherein the pressure sensor 1224 is electrically connected to both the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232. The alarm indicator light is connected to the pressure sensor 1224.

The pressure sensor 1224 may detect a pressure condition in the gas-water separator 122, and when the pressure drops below a set value, the pressure sensor 1224 may control the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232 to close automatically, so as to isolate the gas-water separator 122, and the pressure sensor 1224 may transmit an alarm signal to an alarm indicator, so that the alarm indicator generates an alarm signal, so that an operation and maintenance person may handle a fault in time.

Since the number of the purge passages 120 is two in the present application, the two first isolation solenoid valves 1212 in the two purge passages 120 are interlocked, and one of the two first isolation solenoid valves 1212 is opened and the other is closed. When the first isolation solenoid valve 1212 and the second isolation solenoid valve 1232 in one purification passage are automatically closed, so that after the gas-water separator 122 on the purification passage 120 is isolated, the gas-water separator 122 on the other purification passage 120 cannot be isolated, and thus, the problem that the gas-using equipment loses the gas source and compressed air cannot be continuously purified and discharged due to the fact that the two gas-water separators 122 in the two purification passages 120 are isolated at the same time can be effectively avoided.

According to the compressed air purification device 100 provided by the embodiment, the working principle of the compressed air purification device 100 is as follows: the compressed air enters the compressed air purification device 100 from the air inlet manifold 110, then is branched to form two paths of gas, and the two paths of gas are respectively fed into the two purification passages 120, the gas-water separator 122 in the gasification passage can separate impurities such as moisture and oil which are condensed and carried in the compressed air, so that the compressed air is primarily purified, and the separated oil and water are discharged from a water discharge pipe 1222 at the bottom of the gas-water separator 122 together. In this application, control opening and close of water discharge solenoid valve 1223 on drain pipe 1222 through the water level sensor 1221 that sets up in gas-water separator 122, the condition of opening and close of control water discharge solenoid valve 1223 that can be more directly perceived and accurate to under the great condition of compressed air water content, guarantee timely drainage, avoid compressed air to take water to lead to the gas appliances to damage. Two drainage solenoid valves 1223 interlocking sets up in this application, can guarantee only when a drainage solenoid valve 1223 does not put through, and another drainage solenoid valve 1223 just can put through to can also prevent effectively that two drainage solenoid valves 1223 from the drainage simultaneously, and then lead to the problem of atmospheric pressure decline to appear. Further, this application still is provided with first isolation solenoid valve 1212 and second isolation solenoid valve 1232 respectively at gas-water separator 122's front and back both ends, first isolation solenoid valve 1212 and second isolation solenoid valve 1232 can control through setting up the pressure sensor 1224 on gas-water separator 122, thereby guaranteed when gas-water separator 122 breaks down, pressure sensor 1224 detects gas-water separator 122's pressure and reduces when the default, first isolation solenoid valve 1212 and second isolation solenoid valve 1232 of quick control are closed, in order to realize keeping apart gas-water separator 122 on this purification gas circuit, the alarm indicator of simultaneous control sends alarm signal, so that the operation and maintenance personnel in time overhaul. Two solenoid valves on the gas circuit of purifying in this application, for example drainage solenoid valve 1223, the equal interlocking setting of first isolation solenoid valve 1212 avoid the simultaneous action to lead to the drainage too much or two gas-water separators 122 all to be kept apart, and the unable condition of admitting air of gas appliances takes place.

In addition, the present application also provides a compressed air device, which includes the above compressed air purification apparatus 100, and can operate more safely and stably.

In summary, the embodiment of the present invention provides a compressed air purification apparatus 100, which controls the opening and closing of the water discharge electromagnetic valve 1223 in the water discharge pipe 1222 through the water level sensor 1221 disposed in the air-water separator 122, so as to more intuitively and accurately control the opening and closing of the water discharge electromagnetic valve 1223, and ensure timely water discharge when the water content of the compressed air is high, thereby avoiding the damage of the air-using equipment due to the water carried by the compressed air. Two drainage solenoid valves 1223 interlocking sets up in this application, can guarantee only when a drainage solenoid valve 1223 does not put through, and another drainage solenoid valve 1223 just can put through to can also prevent effectively that two drainage solenoid valves 1223 from the drainage simultaneously, and then lead to the problem of atmospheric pressure decline to appear. The compressed air equipment provided by the embodiment of the utility model can run more safely and stably.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (8)

1. A compressed air purification device is characterized by comprising two purification passages, wherein each purification passage is provided with an air inlet branch pipe, a gas-water separator and an air outlet branch pipe, an air inlet of the gas-water separator is communicated with the air inlet branch pipe, an air outlet of the gas-water separator is communicated with the air outlet branch pipe, the air inlet branch pipe is provided with an air inlet manual valve, and the air outlet branch pipe is provided with an air outlet manual valve; a water level sensor is arranged in the gas-water separator, a drain pipe for discharging separated liquid is arranged at the bottom of the gas-water separator, a drain electromagnetic valve is arranged on the drain pipe, and the water level sensor is electrically connected with the drain electromagnetic valve; two of the drain solenoid valves in the two purge paths are interlocked, one of the two drain solenoid valves is open and the other is closed.

2. The compressed air purification device as claimed in claim 1, wherein a first isolating solenoid valve is further provided on the intake manifold, the first isolating solenoid valve being located between the intake manual valve and the gas-water separator.

3. The compressed air purifying device according to claim 2, wherein a second isolating solenoid valve is further disposed on the outlet branch pipe, and the second isolating solenoid valve is located between the manual outlet valve and the gas-water separator.

4. The compressed air purification device according to claim 3, wherein a pressure sensor is further arranged in the gas-water separator, and the pressure sensor is electrically connected with the first isolation solenoid valve and the second isolation solenoid valve simultaneously.

5. The compressed air purification device according to claim 4, further comprising an alarm indicator light, wherein the alarm indicator light is connected to the pressure sensor.

6. The compressed air purification apparatus according to claim 4, wherein the number of the purification passages is two, and two of the first isolation solenoid valves in the two purification passages are interlocked, one of the two first isolation solenoid valves being open and the other being closed.

7. The compressed air purification apparatus as claimed in claim 1, further comprising an inlet manifold and an outlet manifold, wherein one end of the inlet branch pipes remote from the gas-water separator is connected to the inlet manifold, and one end of the outlet branch pipes remote from the gas-water separator is connected to the outlet manifold.

8. Compressed air installation, characterized in that it comprises a compressed air purification device according to any one of claims 1 to 7.

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