CN219822457U - Exhaust mechanism for storage tank - Google Patents

Abstract

The utility model relates to an exhaust mechanism for a storage tank, which comprises a storage tank, a recovery tank, an air inlet pipe and an exhaust pipe, wherein the recovery tank is arranged on one side of the storage tank, a fixed pipe is arranged above the recovery tank, the air inlet pipe is fixedly arranged on the storage tank, a first one-way valve is fixedly arranged on the air inlet pipe, two ends of the exhaust pipe are respectively fixedly connected with the storage tank and the recovery tank, and a second one-way valve is fixedly arranged on the exhaust pipe; in the utility model, when hydrochloric acid is added into the storage tank through the feed pipe, the second one-way valve is opened at the moment, then air in the storage tank is discharged into the recovery tank through the exhaust pipe and the second one-way valve and then contacted with water, so that volatilized hydrochloric acid white fog mixed in the air is absorbed, and air pollution or surrounding equipment corrosion is avoided.

Description

Exhaust mechanism for storage tank

Technical Field

The utility model relates to the technical field of storage tanks, in particular to an exhaust gas mechanism for a storage tank.

Background

Concentrated hydrochloric acid is an aqueous solution of hydrogen chloride gas, has strong volatility in addition to strong corrosiveness, and produces white mist in the air with a pungent smell.

According to investigation, the top of the hydrochloric acid storage tank system in the prior art is airtight, and an exhaust port is required to be arranged so as to be beneficial to maintaining the pressure balance inside and outside the tank in the use process, and because the exhaust port which is arranged in the prior art is directly communicated with the external environment, a large amount of volatilized hydrochloric acid surrounds the periphery of the storage tank when the hydrochloric acid is conveyed and stored each time, and the risk of corroding surrounding equipment exists;

for example, the bulletin number is: the Chinese patent of CN 211919664U discloses a hydrochloric acid holding vessel, relates to traditional chinese medicine processing field, including jar body (1), the space that the wall of this jar body (1) encloses divide into liquid space (5) below the liquid level line and liquid level line space (4), is provided with inlet (2), liquid outlet (6) and gas vent (3) on this jar body (1), is equipped with discharge valve on gas vent (3), still be connected with on the wall of jar body (1) side pipe (8), the lower extreme of side pipe (8) communicates with each other with the bottom of liquid space (5) below the liquid level line, and the upper end communicates with each other with liquid level line space (4) above.

The above prior art patents present the above-mentioned problems.

In summary, the present utility model provides an exhaust mechanism for a storage tank to solve the problem that the top of the hydrochloric acid storage tank system in the prior art is airtight, and an exhaust port is required to be provided to facilitate maintaining the pressure balance inside and outside the tank during use.

Disclosure of Invention

The present utility model aims to provide an exhaust gas mechanism for a tank to solve the problems set forth in the background art described above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a discharge gas mechanism for storage tank, including holding vessel, recovery jar, intake pipe, blast pipe, the recovery jar sets up in one side of holding vessel, the top of recovery jar is equipped with the fixed pipe, intake pipe fixed mounting is on the holding vessel, fixed mounting has first check valve in the intake pipe, the both ends of blast pipe respectively with holding vessel and recovery jar internal fixation, fixed mounting has the second check valve on the blast pipe.

Preferably, a curved pipe is fixedly arranged at one end of the exhaust pipe extending into the recovery tank, and a plurality of groups of through holes are formed in the curved pipe.

Preferably, a feed pipe and a discharge pipe are respectively arranged above and below the storage tank.

Preferably, a supporting frame is fixedly arranged outside the storage tank.

Preferably, the air inlet pipe is detachably provided with a shell, the inside of the shell is fixedly provided with a moisture absorption pad, and the air inlet pipe is communicated with the inside of the shell.

Preferably, at least one absorbent pad is provided in the housing.

Preferably, valves are fixedly arranged on the feeding pipe and the discharging pipe.

The beneficial effects of the utility model are as follows: compared with the prior art, in the utility model, when hydrochloric acid is added into the storage tank through the feed pipe, the second one-way valve is opened at the moment, then air in the storage tank is discharged into the recovery tank through the exhaust pipe and the second one-way valve and then contacted with water liquid, so that the volatilized hydrochloric acid white fog mixed in the air is absorbed, and air pollution or surrounding equipment corrosion is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a storage tank according to the present utility model;

FIG. 3 is a schematic perspective view of a housing according to the present utility model;

fig. 4 is a schematic perspective view of a curved tube according to the present utility model.

Reference numerals: 1. a storage tank; 2. a feed pipe; 3. a discharge pipe; 4. an air inlet pipe; 5. a housing; 6. a first one-way valve; 7. an exhaust pipe; 8. a second one-way valve; 9. a recovery tank; 10. a fixed tube; 11. a curved tube; 12. a through hole; 13. a moisture absorption pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the exhaust and air release mechanism for the storage tank comprises a storage tank 1, a recovery tank 9, an air inlet pipe 4 and an exhaust pipe 7.

In the utility model, a recovery tank 9 is arranged on one side of a storage tank 1, a fixed pipe 10 is arranged above the recovery tank 9, pure water is stored in the recovery tank 9 and used for absorbing volatilized high-concentration hydrochloric acid, the storage tank 1 is used for storing the high-concentration hydrochloric acid, a feed pipe 2 and a discharge pipe 3 are respectively arranged above and below the storage tank 1 and used for respectively feeding hydrochloric acid and discharging hydrochloric acid, and valves are fixedly arranged on the feed pipe 2 and the discharge pipe 3 and used for controlling on-off.

It should be noted that, still with intake pipe 4 fixed mounting on holding vessel 1, fixed mounting has first check valve 6 on the intake pipe 4, and first check valve 6 effect lets the air only get into holding vessel 1 through intake pipe 4, and intake pipe 4 is used for getting into the air, ensures the pressure balance in the holding vessel 1, and the both ends of blast pipe 7 respectively with holding vessel 1 and recovery jar 9 internal fixation, fixed mounting has second check valve 8 on the blast pipe 7, second check valve 8 only can carry volatilized hydrochloric acid to recovery jar 9 in.

In a preferred embodiment, a curved pipe 11 is fixedly arranged at one end of the exhaust pipe 7 extending into the recovery tank 9, a plurality of groups of through holes 12 are formed in the curved pipe 11, and the volatilized hydrochloric acid can be fully extruded and absorbed with the water in the recovery tank 9 through the arrangement of the curved pipe 11.

Wherein, in order to support this equipment, still at the outside fixed mounting of holding vessel 1.

In the utility model, the storage tank 1 and the recovery tank 9 are made of PVC materials and cannot be corroded by hydrochloric acid.

Reference may be made in particular to the following operations,

hydrochloric acid is added into the storage tank 1 through the feed pipe 2, at the moment, the second one-way valve 8 is opened, then air in the storage tank 1 is discharged into the recovery tank 9 through the exhaust pipe 7 and the second one-way valve 8 and then is contacted with water, so that volatilized hydrochloric acid white fog mixed in the air is absorbed, and air pollution or surrounding equipment corrosion is avoided;

when the hydrochloric acid in the storage tank 1 needs to be discharged, the first one-way valve 6 and the valve on the discharging pipe 3 are opened, so that the hydrochloric acid can be discharged, and meanwhile, the outside air can enter the storage tank 1, so that the air pressure stability is ensured.

Example two

In this embodiment, unlike the first embodiment, the housing 5 is detachably mounted on the air inlet pipe 4, the housing 5 is communicated with the air inlet pipe 4, the moisture absorption pad 13 is fixedly mounted in the housing 5, the air inlet pipe 4 is communicated with the housing 5, the moisture absorption pad 13 can be replaced by a desiccant for absorbing moisture, and at least one moisture absorption pad 13 is arranged in the housing 5.

In particular as follows,

the air in the storage tank 1 is introduced through the air inlet pipe 4, and the moisture in the air can be absorbed when the air passes through the shell 5, so that the influence on the hydrochloric acid is avoided.

Example III

The present embodiment differs from the first embodiment in that the first check valve 6 and the second check valve 8 are all replaced with electromagnetic valves or electric valves for control.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be obvious to those skilled in the art that the scope of the present utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A discharge gas mechanism for storage tank, its characterized in that: comprising

A storage tank (1);

the recovery tank (9) is arranged at one side of the storage tank (1), and a fixed pipe (10) is arranged above the recovery tank (9);

the air inlet pipe (4), the air inlet pipe (4) is fixedly arranged on the storage tank (1), and the air inlet pipe (4) is fixedly provided with a first one-way valve (6);

the two ends of the exhaust pipe (7) are fixedly connected with the storage tank (1) and the recovery tank (9) respectively, and a second one-way valve (8) is fixedly arranged on the exhaust pipe (7).

2. The exhaust mechanism for a storage tank of claim 1, wherein: one end of the exhaust pipe (7) extending into the recovery tank (9) is fixedly provided with a curved pipe (11), and a plurality of groups of through holes (12) are formed in the curved pipe (11).

3. The exhaust mechanism for a storage tank of claim 2, wherein: a feed pipe (2) and a discharge pipe (3) are respectively arranged above and below the storage tank (1).

4. A discharge gas mechanism for a storage tank as claimed in claim 3, wherein: the outside of the storage tank (1) is fixedly provided with a supporting frame.

5. The exhaust mechanism for a storage tank of claim 4, wherein: the air inlet pipe (4) is detachably provided with a shell (5), a moisture absorption pad (13) is fixedly arranged in the shell (5), and the air inlet pipe (4) is communicated with the inside of the shell (5).

6. The exhaust mechanism for a storage tank of claim 5, wherein: at least one absorbent pad (13) is arranged in the shell (5).

7. The exhaust mechanism for a storage tank of claim 6, wherein: valves are fixedly arranged on the feeding pipe (2) and the discharging pipe (3).