CN212719158U

CN212719158U - Water storage and drainage device of vacuum system

Info

Publication number: CN212719158U
Application number: CN202021061502.2U
Authority: CN
Inventors: 高伟; 韩利明; 赵全忠; 郭亮; 李东辉
Original assignee: Zhangjiakou Cigarette Factory Co Ltd
Current assignee: Zhangjiakou Cigarette Factory Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-16
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a vacuum system's storage drainage device, it includes vacuum pump, vacuum pipeline, gas holder, first dust removal filter, second dust removal filter, vacuum branch cylinder, gas supply line, drainage pipe and stores up drainage device, sets up the suction valve between vacuum pump and the gas holder, stores up drainage device and includes ooff valve, purge hole, stop valve, seal a seat, water collector, sight glass, blowoff valve and outlet. The utility model discloses simple structure, with low costs, the practicality is high, has solved pipeline ponding and has caused the problem of filter core harm, has reduced equipment replacement number of times, time and expense, has prevented that the filter core from damaging to make vacuum system pressure differential fluctuation violent, has reduced vacuum system's fault rate.

Description

Water storage and drainage device of vacuum system

Technical Field

The utility model relates to a vacuum system equipment field especially relates to a vacuum system's storage drainage device.

Background

At present, cigarette packages in a cigarette packaging workshop of a cigarette enterprise mostly use a vacuum system and a matched device thereof, and when the vacuum system operates, a small amount of accumulated water can be generated in the system. One of the three conditions of the following table 1 can cause the vacuum system to accumulate water and flow backwards, meanwhile, impurities and adhesive substances exist in the accumulated water and can be adhered to the pipe wall, if the accumulated water is irregularly cleaned, the accumulated water enters the vacuum system to cause the filter element of the dust removal filter to be blocked or damaged by soaking water, the replacement times, time and cost of filter element equipment parts are increased, the filter element is damaged, the pressure difference of the vacuum system is fluctuated severely, the fault rate of the vacuum system is increased, and the normal work of a workshop is influenced seriously.

TABLE 1 vacuum system failure analysis table

Application number CN201820324444.4 discloses an automatic drainage device of a vacuum system, which connects a water storage tank with a pipeline where a drainage valve of a condenser is located, and achieves the purpose of on-line water collection and drainage by arranging a liquid level meter on the water storage tank, arranging an electromagnetic water outlet valve on a water outlet pipe, arranging an electromagnetic air inlet valve and an electromagnetic sewage discharge valve. Application number CN201320304860.5 discloses an automatic drainage device of vacuum system, it includes the buffer tank, the vacuum pump that is linked together with the buffer tank, the pipeline that sets up the drain pipe in buffer tank bottom and set up and be linked together with the production line on the buffer tank, be linked together through the drain pipe other end and water storage tank, water storage tank sets up the outlet pipe, the drain pipe sets up the drainage solenoid valve, the outlet pipe sets up the outlet solenoid valve, the mode that drainage solenoid valve and outlet solenoid valve are connected through auxiliary relay and programmable controller realizes regularly accomplishing water and the excreteed purpose of condensate automatically under the vacuum environment that does not influence the vacuum production pipeline.

However, in the technical scheme of the prior art, no cleaning hole or cleaning device is arranged, and the technical scheme of how to solve the problem of impurity adhesion on the tube wall in accumulated water is avoided, so that a water storage and drainage device is urgently needed, and the problem that the filter element of the dust removal filter is blocked or water soaking is damaged when the accumulated water enters the vacuum system is solved, and the problem that the hidden danger is increased for the normal operation of the vacuum system due to the fact that the impurity adhesion in the accumulated water on the tube wall is solved.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides a water storage and drainage device of a vacuum system, which comprises a vacuum pump, a vacuum pipeline, a gas storage tank, a first dust removal filter, a second dust removal filter, a vacuum air cylinder, a gas supply pipeline, a drainage pipeline and a water storage and drainage device; the vacuum pump is communicated with the gas storage tank through a vacuum pipeline, and an air suction valve is arranged between the vacuum pump and the gas storage tank; one side of the gas storage tank is connected with a gas supply pipeline, the gas supply pipeline is divided into two branches which are respectively connected with a first dust removal filter and a second dust removal filter, and then the two branches are converged to the gas supply pipeline and connected with a vacuum branch cylinder; a water storage and drainage device is arranged below the gas storage tank; the water storage and drainage device comprises a switch valve, a cleaning hole, a stop valve, a sealing seat, a water collector, an observation mirror, an emptying valve and a drainage port; sealing seats fixed through flanges are arranged at two ends of the water collector, and holes capable of being connected with a drainage pipeline are formed in the outer surfaces of the sealing seats; the air storage tank is connected with the water collector through a drainage pipeline and a hole formed in the outer surface of the sealing seat, and a stop valve is arranged between the air storage tank and the water collector; the other side of the water collector is connected with the drainage pipeline, and an emptying valve is arranged on the water collector; the upper surface of the water collector is provided with a cleaning hole provided with a switch valve and used for introducing clean water to wash impurities attached to the inner surface of the water collector; an observation mirror is further arranged between the water collector and the emptying valve and used for monitoring the water quantity in the water collector; and a water outlet is arranged on the drainage pipeline.

Furthermore, the water collector is made of a steel material with DN300, length of 2.5 meters and hardness of more than 180 HRC; the pressure-bearing capacity of the water collector is more than or equal to 0.2Mpa, the capacity is more than or equal to 200KG, and the height is less than or equal to 0.3 m.

Further, an anti-rust layer is arranged on the outer surface of the water collector.

Furthermore, the flow rate of a cleaning hole arranged on the upper surface of the water collector is more than or equal to 0.2m³/s。

Furthermore, the pressure bearing capacity of the observation mirror is more than or equal to 1.6MPa, the light refractive index is less than or equal to 1.7, and the observation mirror can clearly observe the water quantity in the water collector and bear the water pressure.

Further, the observation mirror is connected by bolts.

Further, when water is collected, the stop valve is normally opened, the emptying valve is normally closed, and accumulated water flows into the water collector; during drainage, the stop valve is closed, the emptying valve is opened, accumulated water is drained out of the water collector, then the emptying valve is closed, the stop valve is opened, and the water collector accumulates water again.

Compared with the prior art, the technical scheme of the utility model, there is following beneficial effect:

(1) through setting up the washing hole at the water collector upper surface, when stop valve normal close state or maintenance, can open the ooff valve on the washing hole and introduce water and wash the water collector internal surface, prevent that the water collector internal surface from adhering to the impurity that contains in the ponding, if rinse the water collector in the unscheduled time inside, impurity increases and blocks up the blowoff valve, leads to the inside pressure increase of water collector, finally makes the water collector burst or break stop valve and blowoff valve, can influence the normal work of gas holder when serious.

(2) Through setting up the sight glass, can monitor the water yield in the water collector in real time for ponding in the water collector can measure, prevents that ponding in the water collector from gathering up, pressure increase, the pipe explosion phenomenon appears.

(3) The utility model discloses simple structure, with low costs, the practicality is high, has solved vacuum pipe ponding and has flowed backward and get into first dust removal filter, second dust removal filter and gas supply line in, causes the problem that dust removal filter core damaged, has reduced filter core equipment spare part and has changed number of times, time and expense, has prevented that the damage of filter core from leading to the undulant acutely of vacuum system pressure differential, has reduced vacuum system's fault rate.

Drawings

The invention will be further explained with reference to the drawings and the specific embodiments,

fig. 1 is a schematic structural view of the present invention;

the label names corresponding to the respective numbers in the figure are as follows: 1. a vacuum pump; 2. a vacuum line; 3. an air intake valve; 4. a gas storage tank; 5. a first dust removal filter; 6. a second dust removal filter; 7. vacuum air distributing cylinder; 8. a gas supply duct; 9. a water discharge pipeline; 10. a water storage and drainage device; 1001. an on-off valve; 1002. cleaning the holes; 1003. a stop valve; 1004. sealing a seat; 1005. a water collector; 1006. an observation mirror; 1007. an evacuation valve; 1008. and a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, a water storage and drainage device of a vacuum system comprises a vacuum pump 1, a vacuum pipeline 2, an air storage tank 4, a first dust removal filter 5, a second dust removal filter 6, a vacuum air cylinder 7, an air supply pipeline 8, a drainage pipeline 9 and a water storage and drainage device 10; the vacuum pump 1 is communicated with the gas storage tank 4 through a vacuum pipeline 2, and an air suction valve 3 is arranged between the vacuum pump 1 and the gas storage tank 4; one side of the gas storage tank 4 is connected with a gas supply pipeline 8, the gas supply pipeline 8 is divided into two branches which are respectively connected with a first dust removal filter 5 and a second dust removal filter 6, and then the two branches are converged to the gas supply pipeline 8 and connected with a vacuum sub-cylinder 7; a water storage and drainage device 10 is arranged below the air storage tank 4; the water storage and drainage device 10 comprises a switch valve 1001, a cleaning hole 1002, a stop valve 1003, a sealing seat 1004, a water collector 1005, an observation mirror 1006, an emptying valve 1007 and a drainage outlet 1008; sealing seats 1004 fixed through flanges are arranged at two ends of the water collector 1005, and holes capable of being connected with a drainage pipeline 9 are arranged on the outer surfaces of the sealing seats 1004; the gas storage tank 4 is connected with a water collector 1005 through a drainage pipeline 9 and a hole arranged on the outer surface of the sealing seat 1004, and a stop valve 1003 is arranged between the gas storage tank 4 and the water collector 1005; the other side of the water collector 1005 is connected with the drainage pipeline 9, and an emptying valve 1007 is arranged on the water collector; the upper surface of the water collector 1005 is provided with a cleaning hole 1002 provided with a switch valve 1001, and the cleaning hole is used for introducing clean water to wash impurities attached to the inner surface of the water collector 1005; an observation mirror 1006 is further installed between the water collector 1005 and the drain valve 1007 and is used for monitoring the water amount in the water collector 1005; a water outlet 1008 is arranged on the water drainage pipeline 9.

The water collector 1005 of the embodiment of the utility model is selected from DN300 with length of 2.5 m and hardness>The water collector 1005 is made of a steel material with the pressure bearing capacity of 180HRC, the capacity of more than or equal to 200KG and the height of less than or equal to 0.3 m; the flow rate of a cleaning hole 1002 arranged on the upper surface of the water collector 1005 is more than or equal to 0.2m³S; the pressure bearing of the observation mirror 1006 is more than or equal to 1.6MPa, the light refractive index is less than or equal to 1.7, and in order to enable the observation mirror to clearly observe the water quantity and the water pressure in the water collector 1005.

In the embodiment of the present invention, the vacuum pump 1 is an existing water ring vacuum pump, and the model is Y280S-4. The observation mirror is connected by a bolt.

The embodiment of the utility model provides an in, under the vacuum system normal operating condition, make statistics of the average value of pressure differential data every day between vacuum cylinder 7 and the gas holder 4 with the form of percentage, normal range is 3.0% -5.0%. When the filter element of the dust removing filter is blocked or damaged, the fluctuation percentage of the pressure difference between the vacuum air cylinder 7 and the air storage tank 4 is in the range of 0.0% -1.0% or 6.0% -8.0%, wherein the larger percentage represents that the filter element is blocked, and the smaller percentage represents that the filter element can not bear the pressure damage due to the blockage, so that the filter function is lost. As shown in table 2, the utility model discloses during 9 months to the test run of next year 1 month, the vacuum system after implementing the device in vacuum system between vacuum minute cylinder 7 and the gas holder 4 the undulant percentage of pressure differential record, can see out the undulant percentage scope of pressure differential and keep between 3.0% -5.0%, consequently, the utility model discloses the vacuum system operation after the input production is normal, and dust removal filter's filter core does not have the jam and damages the phenomenon, and the filter core only need to reach when life change again both can.

Table 2 differential pressure data acquisition table (%)

When the vacuum system is in normal operation: and starting the vacuum pump 1, enabling the gas to reach the first dust removal filter 5 and the second dust removal filter 6 from the vacuum gas distribution cylinder 7 through the gas supply pipeline 8 under the action of the vacuum pump 1, then enabling the gas to enter the gas storage tank 4 through the gas supply pipeline 8, and finally enabling the gas to enter the next process flow from the vacuum pipeline 2 through the suction valve 3.

When the vacuum system fails: part of accumulated water generated in the process flows back into the vacuum pipeline 2 and the air storage tank 4, the water storage and drainage device 10 arranged below the air storage tank 4 acts, the stop valve 1003 connected with the air storage tank 4 is in a normally open state, the drain valve 1007 is in a normally closed state, the accumulated water flows into the water collector 1005 through the drainage pipeline 9, and staff reads accumulated water volume data in the water collector 1005 from the observation mirror 1006 every corresponding time period. When the accumulated water volume reaches the full state as shown in the observation mirror 1006, the worker starts the drainage operation. When water is drained, the stop valve 1003 is closed firstly to be in a normally closed state, so that the influence of the environmental pressure on the pressure in the vacuum system is prevented; the drain valve 1007 is then opened to drain the accumulated water in the sump 1005. After the accumulated water is discharged, the emptying valve 1007 is closed, then the stop valve 1003 is opened, and the accumulated water continues to flow into the water collector 1005.

When the stop valve 1003 is in a normally closed state or is overhauled, the on-off valve 1001 on the cleaning hole 1002 can be opened to introduce water to wash the inner surface of the water collector 1005 so as to prevent impurities contained in accumulated water from adhering to the inner surface of the water collector 1005, if the inside of the water collector 1005 is cleaned irregularly, the impurities increase to block the emptying valve 1007, the pressure inside the water collector 1005 increases, and finally the water collector 1005 bursts or the stop valve 1003 and the emptying valve 1007 are flushed to break, so that the whole vacuum system is influenced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vacuum system's storage drainage device which characterized in that: the device comprises a vacuum pump, a vacuum pipeline, a gas storage tank, a first dust removal filter, a second dust removal filter, a vacuum air distribution cylinder, a gas supply pipeline, a drainage pipeline and a water storage and drainage device; the vacuum pump is communicated with the gas storage tank through a vacuum pipeline, and an air suction valve is arranged between the vacuum pump and the gas storage tank; one side of the gas storage tank is connected with a gas supply pipeline, the gas supply pipeline is divided into two branches which are respectively connected with a first dust removal filter and a second dust removal filter, and then the two branches are converged to the gas supply pipeline and connected with a vacuum branch cylinder; a water storage and drainage device is arranged below the gas storage tank; the water storage and drainage device comprises a switch valve, a cleaning hole, a stop valve, a sealing seat, a water collector, an observation mirror, an emptying valve and a drainage port; sealing seats fixed through flanges are arranged at two ends of the water collector, and holes capable of being connected with a drainage pipeline are formed in the outer surfaces of the sealing seats; the air storage tank is connected with the water collector through a drainage pipeline and a hole formed in the outer surface of the sealing seat, and a stop valve is arranged between the air storage tank and the water collector; the other side of the water collector is connected with the drainage pipeline, and an emptying valve is arranged on the water collector; the upper surface of the water collector is provided with a cleaning hole provided with a switch valve and used for introducing clean water to wash impurities attached to the inner surface of the water collector; an observation mirror is further arranged between the water collector and the emptying valve and used for monitoring the water quantity in the water collector; and a water outlet is arranged on the drainage pipeline.

2. A water storage and drainage apparatus for a vacuum system as claimed in claim 1, wherein: the water collector is made of a steel material with DN300, length of 2.5 meters and hardness of more than 180 HRC; the pressure-bearing capacity of the water collector is more than or equal to 0.2Mpa, the capacity is more than or equal to 200KG, and the height is less than or equal to 0.3 m.

3. A water storage and drainage apparatus for a vacuum system as claimed in claim 1, wherein: and an anti-rust layer is arranged on the outer surface of the water collector.

4. A water storage and drainage apparatus for a vacuum system as claimed in claim 1, wherein: the flow rate of a cleaning hole arranged on the upper surface of the water collector is more than or equal to 0.2m³/s。

5. A water storage and drainage apparatus for a vacuum system as claimed in claim 1, wherein: the pressure bearing of the observation mirror is more than or equal to 1.6MPa, the light refraction index is less than or equal to 1.7, and the observation mirror can clearly observe the water quantity in the water collector and bear the water pressure.