CN217480393U

CN217480393U - Air partition of drainage system

Info

Publication number: CN217480393U
Application number: CN202122086347.0U
Authority: CN
Inventors: 何国强; 孟晗; 吴永钦; 鲁耕; 陈跃武; 马安亮; 桂加胜
Original assignee: AUSTAR PHARMACEUTICAL EQUIPMENT (SHIJIAZHUANG) Ltd
Current assignee: AUSTAR PHARMACEUTICAL EQUIPMENT (SHIJIAZHUANG) Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-09-23
Anticipated expiration: 2031-08-31

Abstract

The utility model provides an air partition of a drainage system, which belongs to the technical field of drainage and comprises a sealed barrel, wherein a partition plate is arranged on the top surface in the sealed barrel, the sealed cavity is divided into a first cavity and a second cavity by the partition plate, and a fluid channel is formed between the lower end of the partition plate and the inner bottom surface of the sealed barrel; a water inlet pipe and a water outlet pipe are respectively arranged on the side wall of the sealed barrel, the water outlet pipe is lower than the water inlet pipe and higher than the lower end of the partition plate, and a first valve cover for plugging the water inlet pipe is arranged in the sealed barrel; an air outlet communicated with the second cavity is further formed in the side wall of the sealed barrel and located above the drain pipe, and a second valve cover used for sealing the air outlet is arranged in the sealed barrel. The utility model provides a drainage system air cuts off can ensure working or non-operating condition, upstream equipment drainage, or homoenergetic normal use when drainage trunk line atmospheric pressure changes, has eliminated the harm that drainage system negative pressure produced.

Description

Air partition of drainage system

Technical Field

The utility model belongs to the technical field of the drainage, more specifically say, relate to a drainage system air partition.

Background

The water outlet of the process equipment is provided with an air isolating device to block the reverse flow of the air flow. In the prior art, the air isolation device is designed according to the structural principle of a water seal floor drain or a gravity check valve, and the influence on the use of the air isolation device caused by negative pressure suction generated in a pipeline and negative pressure suction generated by air pressure change of a main drainage pipeline when upstream equipment drains cannot be eliminated. How to eliminate the harm caused by negative pressure of the drainage system becomes a direction for improving the air isolating device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air off device of harm that drainage system negative pressure produced can be eliminated.

In order to achieve the above object, the utility model adopts the following technical scheme: the air partition of the drainage system comprises a sealed barrel with a closed cavity inside, wherein a partition plate extending downwards is arranged on the top surface in the sealed barrel, two sides of the partition plate are connected with the inner side wall of the sealed barrel, the closed cavity is divided into a first cavity and a second cavity through the partition plate, and a fluid channel for communicating the first cavity with the second cavity is formed between the lower end of the partition plate and the inner bottom surface of the sealed barrel; a water inlet pipe communicated with the first cavity and a water drain pipe communicated with the second cavity are respectively arranged on the side wall of the sealed barrel, the water drain pipe is lower than the water inlet pipe and higher than the lower end of the partition plate, a first valve cover used for blocking the water inlet pipe is arranged in the sealed barrel, and the first valve cover can only be opened towards the inside of the sealed barrel; the side wall of the sealed barrel is further provided with an air outlet communicated with the second cavity, the air outlet is located above the drain pipe, a second valve cover used for blocking the air outlet is arranged in the sealed barrel, and the second valve cover can only be opened towards the inside of the sealed barrel.

In a possible implementation manner, the sealing barrel comprises a barrel body and an end cover which is sealed at an upper port of the barrel body, and the upper end of the partition plate is fixed on the lower end face of the end cover.

In a possible implementation manner, an observation window is formed in the end cover.

In one possible implementation, the upper end of the barrel body is provided with an end ring extending outwards, the end cover is connected to the outer edge of the end ring, the exhaust port is opened on the end ring, and the second valve cover is hinged to the upper end face of the end ring to close the exhaust port.

In a possible implementation mode, the upper end opening of the barrel body is covered with a blocking plate, the partition plate penetrates through the blocking plate and extends to the inside of the closed cavity, and the blocking plate is provided with an air vent which is communicated with the second cavity and the air exhaust opening.

In a possible implementation manner, the first valve cover is hinged on the inner wall of the barrel body and is located above the water inlet pipe, and the first valve cover is rotatably buckled on the inner port of the water inlet pipe.

In a possible implementation manner, the inner port of the water inlet pipe is inclined towards the interior of the barrel body from top to bottom.

In a possible implementation manner, an included angle between the inner port of the water inlet pipe and the inner side wall of the barrel body is greater than 10 degrees.

In a possible implementation manner, the inner port of the water inlet pipe is provided with a sealing ring.

In a possible implementation manner, the sealing barrel, the partition plate, the water inlet pipe, the water outlet pipe, the first valve cover and the second valve cover are all made of stainless steel.

The utility model provides a drainage system air partition's beneficial effect lies in: compared with the prior art, the water inlet pipe is connected with the discharge port of the process equipment, and the water discharge pipe is communicated with the main water discharge pipe network, so that the water discharge requirements of high inlet and low outlet are met. The liquid is present at the bottom of the sealed barrel, so that a first chamber and a second chamber of two water seals are formed by the partition plate. Wherein, the upper portion of second cavity is seted up the outside gas vent of intercommunication, and the inner port of inlet tube is equipped with the first valve gap that only can open to the inboard, and the inboard of gas vent is equipped with the second valve gap that only can open to the inboard. Use the utility model provides a drainage system air cuts off can ensure working or non-operating condition, upstream equipment drainage, or homoenergetic normal use when drainage trunk line atmospheric pressure changes, eliminates the harm that drainage system negative pressure produced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an air partition of a drainage system provided by an embodiment of the present invention;

fig. 2 is an air-isolated positive pressure operation diagram of a drainage system according to an embodiment of the present invention;

fig. 3 is an operation diagram of the drainage system in the negative pressure state of the air partition provided by the embodiment of the present invention.

Description of reference numerals:

1. a barrel body; 2. an end cap; 3. a partition plate; 4. a first chamber; 5. a second chamber; 6. a water inlet pipe; 7. a drain pipe; 8. a first valve cover; 9. an exhaust port; 10. a second valve cover; 11. an observation window; 12. an end ring; 13. a blocking plate; 14. a vent hole; 15. and (5) sealing rings.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, the air partition of the drainage system provided by the present invention will now be described. The air partition of the drainage system comprises a sealed barrel with a closed cavity inside, a partition plate 3 extending downwards is arranged on the top surface in the sealed barrel, two sides of the partition plate 3 are connected with the inner side wall of the sealed barrel, the closed cavity is divided into a first cavity 4 and a second cavity 5 through the partition plate 3, and a fluid channel communicating the first cavity 4 with the second cavity 5 is formed between the lower end of the partition plate 3 and the inner bottom surface of the sealed barrel; a water inlet pipe 6 communicated with the first chamber 4 and a water outlet pipe 7 communicated with the second chamber 5 are respectively arranged on the side wall of the sealed barrel, the water outlet pipe 7 is lower than the water inlet pipe 6 and higher than the lower end of the partition plate 3, a first valve cover 8 for plugging the water inlet pipe 6 is arranged in the sealed barrel, and the first valve cover 8 can only be opened towards the inside of the sealed barrel; the side wall of the sealed barrel is also provided with an exhaust port 9 communicated with the second chamber 5, the exhaust port 9 is positioned above the drain pipe 7, a second valve cover 10 used for blocking the exhaust port 9 is arranged in the sealed barrel, and the second valve cover 10 can only be opened towards the inside of the sealed barrel.

The utility model provides a drainage system air cuts off, compare with prior art, inlet tube 6 connects process equipment's discharge port, and 7 intercommunication main drainage pipe networks of drain pipe accord with the drainage requirement of height business turn over low business turn over. The liquid is present at the bottom of the sealed barrel, so that a first chamber 4 and a second chamber 5 of the water seal are formed by the partition 3. An exhaust port 9 communicated with the outside is formed in the upper portion of the second chamber 5, a first valve cover 8 capable of being opened only inwards is arranged at the inner end opening of the water inlet pipe 6, and a second valve cover 10 capable of being opened only inwards is arranged on the inner side of the exhaust port 9.

The device has several working states:

when the device is in a non-working state, the main drainage pipe network discharges no sewage, the first valve cover 8 and the second valve cover 10 are in a state of sealing the water inlet pipe 6 and the drainage pipe 7, the pressure in the first chamber 4 and the pressure in the second chamber 5 are balanced, and no air flow fluctuation exists;

the working state, enter into first cavity 4 from inlet tube 6, entering into second cavity 5, discharge by drain pipe 7 at last, after accomplishing the drainage, liquid falls back to the lower limb of drain pipe 7, remains the state of water seal all the time.

Referring to fig. 2, when no process equipment is in a drainage state, the process equipment is in a midstream, and when upstream equipment drains water, the drained water flows to a main pipe connecting position of a drain pipe 7 of the device, air in the drain pipe 7 is compressed to enter the second chamber 5, the pressure of the second chamber 5 is increased, the second valve cover 10 is pressed on an exhaust port 9, the liquid level of the second chamber 5 is reduced due to the pressure, the liquid level of the second chamber 5 is increased, the pressure in the first chamber 4 is increased, and the first valve cover 8 is pressed on a water inlet pipe 6. Therefore, the gas in the second chamber 5 cannot enter the first chamber 4, and as the drainage water flows through the junction, the air in the second chamber 5 returns to the main drainage network again, and the second chamber 5 returns to the original balance state;

referring to fig. 3, the pressure in the main exhaust pipe network changes, negative pressure is formed in the second chamber 5, the external pressure is greater than the pressure in the second chamber 5, the valve cover is opened inwards, and air is supplemented to the second chamber 5, so that the internal and external pressures are balanced, and the second chamber 5 returns to the original balanced state.

Use the utility model provides a drainage system air cuts off can ensure working or non-operating condition, upstream equipment drainage, or homoenergetic normal use when drainage trunk line atmospheric pressure changes, has eliminated the harm that drainage system negative pressure such as anti-smell, anti-water produced.

In some embodiments, referring to fig. 1, the sealed barrel includes a barrel body 1 and an end cover 2 closed at an upper end of the barrel body 1, and an upper end of a partition plate 3 is fixed to a lower end surface of the end cover 2.

The sealing barrel is designed into two bodies and comprises a barrel body 1 and an end cover 2 sealed at the upper end opening of the barrel body 1, and the end cover 2 is in threaded connection or welded with the upper end opening of the barrel body 1 so as to achieve the sealing effect.

Specifically, the barrel body 1 is a cylinder or a prism, and the structure of the end cover 2 is matched with that of the barrel body 1. The baffle 3 is fixed in the middle of the lower end face of the end cover 2, and the baffle 3 extends into the barrel body 1 in the process of installing the end cover 2. The partition plate 3 is positioned in the middle of the lower end face of the end cover 2, so that the size of the first chamber 4 and the size of the second chamber 5 after separation are the same.

In some embodiments, referring to fig. 1, the end cap 2 is provided with an observation window 11. The middle part of end cover 2 is inlayed and is equipped with the glass board, and this glass board forms observation window 11, makes things convenient for personnel to run through the change of the liquid level in first cavity 4 and the second cavity 5 from the outside.

In some embodiments, referring to fig. 1, the upper end of the barrel 1 is provided with an end ring 12 extending outward, the end cap 2 is connected to an outer edge of the end ring 12, the exhaust port 9 is opened on the end ring 12, and the second valve cover 10 is hinged to an upper end surface of the end ring 12 to close the exhaust port 9.

Specifically, the end ring 12 is integrally formed at the upper end of the barrel body 1, and the outer edge of the end cap 2 is connected to the outer edge of the end ring 12. The exhaust port 9 is opened in the end ring 12 so that the second valve cover 10 can be engaged with the exhaust port 9 from the inside, and a certain sealing effect can be achieved by the self weight of the second valve cover 10.

In some embodiments, referring to fig. 1, the upper port of the barrel 1 is covered with a blocking plate 13, the partition plate 3 extends into the closed chamber through the blocking plate 13, and the blocking plate 13 is opened with a vent 14 communicating the second chamber 5 and the exhaust port 9.

Specifically, the closure plate 13 is connected at the inner side of the upper port of the barrel body 1, and the window is also arranged on the closure plate 13, so that the influence on the observation window 11 on the liquid level change in the barrel body 1 is avoided. Wherein, the blocking plate 13 can be a glass plate as a whole or a glass plate is arranged in the middle. The vent hole 14 can communicate the second chamber 5 and the exhaust port 9, ensuring that the gas of the second chamber 5 can be exhausted from the exhaust port 9, or the external gas enters the second chamber 5 from the exhaust port 9.

In some embodiments, referring to fig. 1, the first valve cover 8 is hinged on the inner wall of the barrel 1 and located above the water inlet pipe 6, and the first valve cover 8 is rotatably fastened to the inner port of the water inlet pipe 6.

Specifically, the second valve cover 10 is rotatably fastened to the inner port of the water inlet pipe 6 by its own weight, so that the water inlet pipe 6 can be ensured to be in a sealed state in a state where water does not enter.

In some embodiments, referring to fig. 1, the inner port of the water inlet pipe 6 is inclined from top to bottom toward the inside of the barrel 1.

Specifically, because the inner port of inlet tube 6 slopes to staving 1 inside from top to bottom, consequently the lock also is the slope setting in the inner port of inlet tube 6, even if because the pressure of second cavity 5 leads to appearing the negative pressure state in the first cavity 4, because first valve gap 8 self weight and pressure effect (the gas static pressure is perpendicular to always receives the pressure face), first valve gap 8 can not opened easily.

Preferably, the included angle between the inner port of the water inlet pipe 6 and the inner side wall of the barrel body 1 is more than 10 degrees.

In some embodiments, referring to fig. 1, the inner port of the water inlet pipe 6 is provided with a sealing ring 15. Sealing washer 15 bonds or the joint in the inner port of inlet tube 6, and when first valve gap 8 lock was in the inner port of inlet tube 6, sealing washer 15 can improve first valve gap 8's leakproofness. Similarly, a similar sealing structure may be provided between the second valve cover 10 and the exhaust port 9.

Preferably, the sealing barrel, the partition plate 3, the water inlet pipe 6, the water discharge pipe 7, the first valve cover 8 and the second valve cover 10 are all made of stainless steel.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The air partition of the drainage system is characterized by comprising a sealed barrel with a sealed cavity inside, wherein a partition plate extending downwards is arranged on the top surface in the sealed barrel, two sides of the partition plate are connected with the inner side wall of the sealed barrel, the sealed cavity is divided into a first cavity and a second cavity through the partition plate, and a fluid channel for communicating the first cavity with the second cavity is formed between the lower end of the partition plate and the inner bottom surface of the sealed barrel; a water inlet pipe communicated with the first cavity and a water drain pipe communicated with the second cavity are respectively arranged on the side wall of the sealed barrel, the water drain pipe is lower than the water inlet pipe and higher than the lower end of the partition plate, a first valve cover used for blocking the water inlet pipe is arranged in the sealed barrel, and the first valve cover can only be opened towards the inside of the sealed barrel; the side wall of the sealed barrel is further provided with an air outlet communicated with the second cavity, the air outlet is located above the drain pipe, a second valve cover used for blocking the air outlet is arranged in the sealed barrel, and the second valve cover can only be opened towards the inside of the sealed barrel.

2. The drain system air partition of claim 1, wherein the seal bucket comprises a bucket body and an end cap closing an upper port of the bucket body, and an upper end of the partition plate is fixed to a lower end face of the end cap.

3. The air partition of a drainage system of claim 2, wherein the end cap defines an observation window.

4. The drain system air partition of claim 2, wherein the upper end of the tub body is provided with an end ring extending outwardly, the end cap is connected to an outer edge of the end ring, the exhaust port opens at the end ring, and the second valve cap is hinged to an upper end face of the end ring to close the exhaust port.

5. The air partition of drainage system as claimed in claim 2, wherein the upper port of said barrel is covered with a blocking plate, said partition plate extends into said closed chamber through said blocking plate, and said blocking plate is provided with a vent hole for communicating said second chamber with said air outlet.

6. The air partition of drainage system of claim 2, wherein said first valve cover is hinged to the inner wall of said tub and located above said water inlet pipe, said first valve cover being rotatably fastened to the inner port of said water inlet pipe.

7. The air partition of drainage system of claim 6, wherein the inner port of said inlet pipe is inclined from top to bottom towards the interior of said barrel.

8. The drainage system air partition of claim 7, wherein the inner port of the inlet tube is angled more than 10 ° from the inner sidewall of the bucket body.

9. The drainage system air partition of claim 6, wherein the inner port of the inlet pipe is provided with a sealing ring.

10. The drainage system air partition of any one of claims 1-9, wherein the containment drum, the partition, the inlet tube, the drain tube, the first valve cover, and the second valve cover are all stainless steel.