CN211624873U - Vacuum drainage waterway - Google Patents

Abstract

The utility model belongs to the technical field of the low atmospheric pressure drainage, specifically disclose a vacuum drainage water route, including vacuum chamber and the stock solution container that is located the vacuum chamber outside, be equipped with level sensor in the stock solution container, the intercommunication has the stock solution pipeline between stock solution container and vacuum chamber, and the stock solution container still is connected with the pipeline of releasing, is provided with ponding valve and drain valve on stock solution pipeline and the pipeline of releasing respectively, and the ponding valve is opened with the drain valve timesharing, still is equipped with ponding pump and drain pump on stock solution pipeline and the pipeline of releasing respectively. By adopting the technical scheme, accumulated water in the vacuum box is discharged into the liquid storage container through the liquid storage pipeline, and the water in the liquid storage container is discharged through the discharge pipeline, so that the accumulated water in the vacuum box is discharged, and the vacuum degree of the vacuum box is ensured.

Description

Vacuum drainage waterway

Technical Field

The utility model belongs to the technical field of the drainage of low atmospheric pressure environment, especially, relate to a vacuum drainage water route.

Background

The vacuum (low-pressure) box is mainly used in the fields of aviation, aerospace, information, electronics and the like, determines environmental adaptability and reliability tests of instruments, electrical products, materials, parts and equipment under the single or simultaneous action of low pressure, high temperature and low temperature, and measures electrical performance parameters when a test piece is electrified.

The drainage function of the common low-pressure equipment can be only carried out in a vacuum (low-pressure) box under the premise of normal pressure (standard atmospheric pressure), and after the pressure in the vacuum (low-pressure) box is lower than the external atmospheric pressure, the internal pressure is small, the external pressure is high, water generated in an experiment can not be drained out of the test box, so that the water in the vacuum box is accumulated more, the vacuum degree of the vacuum box is reduced, and the device can not normally run. In order to solve the problem of water drainage under low pressure, a vacuum water drainage channel is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum drainage water route realizes the discharge to the interior ponding of vacuum chamber, ensures vacuum chamber's vacuum.

In order to achieve the above object, the basic scheme of the utility model is: the utility model provides a vacuum drainage water route, includes the vacuum box and is located the outer stock solution container of vacuum box, the intercommunication has the stock solution pipeline between stock solution container and vacuum box, the stock solution container still is connected with the pipeline of releasing, be provided with the ponding valve on the stock solution pipeline, be provided with the drain valve on the releasing pipeline, the ponding valve is opened with the drain valve timesharing.

The working principle and the beneficial effects of the basic scheme are as follows: according to the drainage needs, open the ponding valve for in the ponding in the vacuum box can be followed the liquid storage pipeline and discharged to the stock solution container, realize the discharge of the interior ponding of vacuum box, ensure the vacuum degree of vacuum box. When the ponding capacity in the liquid storage container reaches the certain degree, close through manual or electric mechanism control ponding valve, open the drain valve simultaneously for ponding in the liquid storage container can be discharged through the pipeline of releasing, avoids the interior ponding of liquid storage container too much and leads to the difficult discharge of ponding in the vacuum chamber.

Further, a water accumulating pump is further arranged on the liquid storage pipeline.

The ponding pump provides mechanical energy for the discharged ponding in the vacuum box, realizes mechanical drainage, makes the ponding in the vacuum box discharge more easily.

Furthermore, the liquid storage pipeline is also provided with a first filter, and the first filter is positioned on one side of the water accumulation valve close to the vacuum box.

If impurity in the ponding is arranged to ponding valve or ponding pump department, impurity probably falls into ponding valve or ponding pump moving clearance department to lead to ponding valve or ponding pump to block, break down, so the filter one can be to the preliminary filtration of ponding in the vacuum chamber, just also avoid impurity to influence the normal work of ponding valve and ponding pump.

Further, an air pipe I is communicated between the liquid storage container and the vacuum box, a water accumulation air pressure balance valve is arranged on the air pipe I, and the water accumulation air pressure balance valve is linked with the water accumulation valve.

When water is drained from the vacuum box, the accumulated water air pressure balance valve is opened, and the liquid storage container is communicated with the vacuum box, so that the air pressure in the liquid storage container and the air pressure in the vacuum box tend to be balanced, the air pressure difference between the liquid storage container and the vacuum box is reduced, and the accumulated water in the vacuum box is discharged.

Furthermore, a drainage pump is arranged on the drainage pipeline.

The drain pump is the same as the ponding pump, provides mechanical energy to the ponding in the stock solution container promptly, realizes the mechanical drainage in the stock solution container, more does benefit to the ponding in the stock solution container and discharges.

Further, an air pipe II communicated with the external environment is arranged on the liquid storage container, a water discharging air pressure balance valve is arranged on the air pipe II and is linked with a water discharging valve, and the discharging pipeline is located below the liquid storage container.

When the liquid storage container drains water, the drain valve on the drain pipe is opened, the water drainage air pressure balance valve is linked with the drain valve and is in an open state, the inside of the liquid storage container is communicated with the external environment, the air pressure of the liquid storage container and the external environment is balanced, and the phenomenon that accumulated water cannot be drained due to the fact that the air pressure in the liquid storage container is too small is avoided. And the discharge pipeline is positioned below the liquid storage container, and the accumulated water in the liquid storage container is influenced by the gravity of the accumulated water container to move downwards when being discharged, so that the water discharging speed is accelerated.

Further, a second filter is arranged on the discharge pipeline and is positioned on one side, close to the liquid storage container, of the drain valve.

The second filter is used for further filtering accumulated water in the equipment, so that the accumulated water discharged by the equipment meets the standard of environmental protection.

Further, a water level sensor is arranged in the liquid storage container, a first output end of the water level sensor is connected with a control end of the water accumulation valve, and a second output end of the water level sensor is connected with a control end of the water drainage valve.

The water level sensor can detect the water level height in the liquid storage container, a rated water level range value or a rated water level point value is arranged inside the water level sensor, and when the water level height in the liquid storage container is higher than or equal to the rated value in the water level sensor, the water level sensor outputs a control signal to the drain valve and the water accumulation valve to open the drain valve and close the water accumulation valve.

Drawings

Fig. 1 is a schematic structural view of the embodiment of the vacuum drainage waterway of the present invention.

Reference numerals in the drawings of the specification include: the device comprises a vacuum box 1, a liquid storage container 2, a liquid storage pipeline 3, a water accumulation valve 4, a first filter 5, a water accumulation pump 6, a first air pipe 7, a water accumulation air pressure balance valve 8, a drain valve 9, a discharge pipeline 10, a second filter 11, a drain pump 12, a second air pipe 13 and a drain air pressure balance 14.

Detailed Description

The following is further detailed by way of specific embodiments:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment example is shown in the attached figure 1: the utility model provides a vacuum drainage water route, include vacuum box 1 and the stock solution container 2 that is located vacuum box 1 outer, stock solution container 2 can adopt conventional ponding bucket, preferred stock solution container 2 is located vacuum box 1 place horizontal position's below, be favorable to the ponding discharge in vacuum box 1, be equipped with level sensor in the stock solution container 2, be provided with the comparator in the level sensor, the input of comparator is connected with level sensor's signal output part promptly, the output of comparator is established to level sensor's first output promptly, the output of comparator is just for level sensor's second output behind the non-door.

Vacuum chamber 1 and liquid storage container 2 intercommunication have liquid storage pipeline 3, 3 one end of liquid storage pipeline welds with vacuum chamber 1's bottom, the other end welds with liquid storage container 2's lateral wall, be equipped with filter 5 on the liquid storage pipeline 3 in proper order, ponding valve 4 and ponding pump 6, filter 5 is located the one side that is close to vacuum chamber 1, ponding valve 4's control end and level sensor's first output electric connection, it has hand switch to go back electric connection on the preferred ponding valve 4. An air pipe I7 is communicated between the liquid storage container 2 and the vacuum box 1, one end of the air pipe I7 is welded with the vacuum box 1, the other end of the air pipe I7 is welded with the liquid storage container 2, a water accumulation air pressure balance valve 8 is arranged on the air pipe I7, and the water accumulation air pressure balance valve 8 is linked with the water accumulation valve 4.

The liquid storage container 2 is also connected with a discharge pipeline 10, and the discharge pipeline 10 is positioned below the liquid storage container 2. The second filter 11, the drain valve 9 and the drain pump 12 are sequentially arranged on the drain pipeline 10, the second filter 11 is located on one side close to the liquid storage container 2, and the first filter 5 and the second filter 11 both adopt conventional pipeline filters. The control end of the drain valve 9 is connected with the second output end of the water level sensor, and the water accumulation valve 4 and the drain valve 9 are opened in a time-sharing mode. The liquid storage container 2 is provided with a second air pipe 13 communicated with the external environment, the second air pipe 13 is preferably arranged at the top of the liquid storage container 2, one end of the second air pipe 13 extends into the liquid storage container 2, the other end of the second air pipe 13 is welded with the liquid storage container 2, the second air pipe 13 is provided with a water discharge air pressure balance 14 valve, and the water discharge air pressure balance 14 valve is linked with a water discharge valve 9.

The specific operation process comprises the following steps: the water level sensor can detect the water level height in the liquid storage container 2, a set signal of a rated water level is arranged inside the water level sensor, the set signal can be a range value or a point value, the water level sensor can compare the actually measured water level signal with the set signal, and different control signals are output according to a comparison result. When the water level signal in the stock solution container 2 of water level sensor actual measurement is less than the settlement signal, water level sensor's first output is to ponding valve 4 output control signal, and control ponding valve 4 is opened for ponding in the vacuum box 1 can be followed stock solution pipeline 3 and discharged to stock solution container 2 in, and filter 5 in the stock solution pipeline 3 can carry out the primary filtration to ponding, avoids ponding to remain too much impurity and pollute stock solution container 2. In addition, the accumulated water air pressure balance valve 8 is linked with the accumulated water valve 4, the accumulated water air pressure balance valve 8 can be automatically opened along with the opening of the accumulated water valve 4, so that the air pressure between the vacuum box 1 and the liquid storage container 2 is balanced, and meanwhile, an operator can manually open the accumulated water pump 6 as required to accelerate the discharge speed of accumulated water in the vacuum box 1.

When the water level signal in the stock solution container 2 of water level sensor actual measurement is higher than or equal to the settlement signal, water level sensor's second output control signal to drain valve 9 opens drain valve 9, and ponding in the stock solution container 2 is discharged through discharge pipe 10, and the ponding of discharge pipe 10 exhaust all need pass through filter two 11, and filter two 11 carry out secondary filter to ponding, guarantee the filter effect of ponding, accord with environmental protection's emission standard. In addition, the 14 balanced valves of drainage atmospheric pressure and the linkage of drain valve 9, then the balanced 14 valves of drainage atmospheric pressure open automatically along with the opening of drain valve 9, and 2 inside and external environment intercommunications of stock solution container, balanced stock solution container 2 and external environment's atmospheric pressure avoids 2 internal gas pressure undersize of stock solution container and can't discharge ponding, and the operator also can be as required, manually opens drain pump 12, optimizes the drainage effect. Meanwhile, the first output end of the water level sensor interrupts output of a control signal to the water accumulation valve 4, so that the water accumulation valve 4 is closed at the moment, the water accumulation valve 4 is linked with the water accumulation air pressure balance valve 8 to be closed, the phenomenon that the normal operation of the vacuum box 1 is influenced by the air pressure change in the liquid storage container 2 is avoided, and then an operator controls the water accumulation pump 6 to stop through manual operation.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. A vacuum drainage water route which characterized in that: including vacuum box and the stock solution container that is located the vacuum box outside, the intercommunication has the stock solution pipeline between stock solution container and vacuum box, the stock solution container still is connected with the pipeline of releasing, be provided with the ponding valve on the stock solution pipeline, be provided with the drain valve on the releasing pipeline, the ponding valve is opened with the drain valve timesharing.

2. The vacuum drainage waterway of claim 1, wherein: and the liquid storage pipeline is also provided with a water accumulation pump.

3. The vacuum drainage waterway of claim 2, wherein: the liquid storage pipeline is also provided with a first filter, and the first filter is positioned on one side of the water accumulation valve close to the vacuum box.

4. The vacuum drainage waterway of claim 1, wherein: an air pipe I is communicated between the liquid storage container and the vacuum box, a water accumulation air pressure balance valve is arranged on the air pipe I, and the water accumulation air pressure balance valve is linked with the water accumulation valve.

5. The vacuum drainage waterway of claim 1, wherein: and the discharge pipeline is also provided with a discharge pump.

6. The vacuum drainage waterway of claim 1, wherein: the liquid storage container is provided with a second air pipe communicated with the external environment, the second air pipe is provided with a water drainage air pressure balance valve, the water drainage air pressure balance valve is linked with a water drainage valve, and the discharge pipeline is located below the liquid storage container.

7. The vacuum drainage waterway of claim 5, wherein: and a second filter is arranged on the discharge pipeline and is positioned on one side of the drain valve close to the liquid storage container.

8. The vacuum drainage waterway of claim 4, wherein: a water level sensor is arranged in the liquid storage container, a first output end of the water level sensor is connected with a control end of the water accumulation valve, and a second output end of the water level sensor is connected with a control end of the water drainage valve.

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