CN212315516U - Volatile liquid normal pressure fills dress structure - Google Patents

Abstract

The application discloses volatile liquid normal pressure filling structure and filling method, and relates to the normal pressure filling field. The application volatile liquid ordinary pressure fill dress structure include: tank wagon includes: the first gas-phase quick-mounting joint is arranged at the top of the tank car; the liquid phase quick connecting head I is arranged at the top of the tank car; the crane pipe is connected with an output pipeline of the production equipment, and the tail end of the crane pipe is provided with a liquid phase quick connector II which is matched with the liquid phase quick connector I; and the tail end of the volatile gas recovery pipeline is provided with a gas phase quick coupler II, and the gas phase quick coupler II is matched with the gas phase quick coupler I. The volatile tail gas airtight collection when this application will be loaded reduces the health harm to the loading personnel.

Description

Volatile liquid normal pressure fills dress structure

Technical Field

The application relates to the normal pressure fills the dress field, in particular to volatile liquid normal pressure fills dress structure.

Background

With the continuous development of the field of chemical materials and the continuous increase of the production energy of chemical products, the technical requirements on the transportation and storage of the chemical products are also continuously improved. Some of the more volatile liquid products are transported by the tanker, and the filling structure is transferred from the production facility to the tanker as shown in fig. 1-2. Specifically, the top of the tank wagon 10 is provided with an opening 11, a loading arm 20 for loading is directly inserted into the tank wagon 10 from the opening 11, although the loading arm 20 is provided with a sealing cap 21, the opening 11 is in a semi-open state in the loading process due to poor sealing, and liquid products such as n-butyl aldehyde, iso-butyl aldehyde, n-butyl alcohol, isooctanol and the like are volatile substances, particularly the odor threshold of iso-butyl aldehyde is low. In the loading process, steam of the liquid product volatilizes into the air from the opening 11, so that product waste is caused, meanwhile, the surrounding environment is greatly influenced, and along with the increasing stricter national environmental protection requirements, the sealed collection of the tail gas of the normal-pressure tank car loading is particularly important.

Disclosure of Invention

The utility model provides a volatile liquid ordinary pressure fills dress structure solves current tank wagon loading in-process, because the sealed problem that does not strictly lead to volatile liquid to leak between tank wagon and the oil filling riser.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: an atmospheric pressure volatile liquid filling structure comprising: a tank car, the tank car comprising: the first gas-phase quick-mounting joint is arranged at the top of the tank car; the liquid phase quick connecting head I is arranged at the top of the tank car; the crane pipe is connected with an output pipeline of the production equipment, and the tail end of the crane pipe is provided with a liquid phase quick connector II which is matched with the liquid phase quick connector I; and the tail end of the volatile gas recovery pipeline is provided with a gas phase quick coupler II, and the gas phase quick coupler II is matched with the gas phase quick coupler I.

In the technical scheme, the top of the tank car is provided with the first gas-phase quick connecting joint and the first liquid-phase quick connecting joint, and the lower end of the loading arm is provided with the second liquid-phase quick connecting joint, so that the tank car is totally closed in the loading process. In addition, this application collects the volatile tail gas that produces of volatile gas through still setting up volatile gas recovery pipeline, and the volatile tail gas is airtight when will loading the car is collected, reduces the health harm to the loading personnel.

Further, according to the embodiment of the application, the first switching valve is arranged above the first gas phase quick connecting head.

Further, according to the embodiment of the application, a second switch valve is arranged above the first liquid phase quick connecting head.

Further, according to the embodiment of the application, the crane pipe is connected with the liquid phase quick assembling machine head II through the hose I.

Further, according to the embodiment of the application, the volatile gas recovery pipeline and the gas phase quick-connection joint I are connected through the hose II.

Further, according to the embodiment of the application, the volatile liquid normal-pressure filling structure further comprises an overflow switch.

Further, according to this application embodiment, wherein, overflow switch includes: the overflow switch interface is arranged at the top of the tank car; an overflow switch probe that extends into the overflow switch interface.

Another purpose of this application is to provide a volatile liquid normal pressure filling method, solve current tank wagon loading in-process, because the sealed problem that leads to the volatile liquid to leak between tank wagon and the oil filling riser.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: the normal-pressure filling method of the volatile liquid is characterized by comprising the following steps of:

loading, connecting a liquid-phase quick connector II at the tail end of the loading arm with a liquid-phase quick connector I at the top of the tank car, and opening a switch valve II to enable volatile liquid to flow into the tank car through an output pipeline of production equipment;

collecting tail gas, connecting a gas phase quick connector II at the tail end of the volatile gas recovery pipeline and a gas phase quick connector I at the top of the tank car, and opening a switch valve I to collect the tail gas generated by volatilization of the volatile liquid through the volatile gas recovery pipeline.

Further, according to the embodiment of the application, the method for filling the volatile liquid at normal pressure further comprises the following steps: monitoring the liquid level, stretching the overflow switch probe into the overflow switch interface arranged at the top of the tank car, monitoring the liquid level in the tank car and generating a switch signal when loading, and sending out a reminding message when the tank car finishes loading.

Further, according to the embodiment of the application, the collected tail gas is subjected to washing absorption or catalytic incineration treatment.

Compared with the prior art, the method has the following beneficial effects: this application sets up gaseous phase fast-assembling joint one and liquid phase fast-assembling joint one through setting up at the tank wagon top, sets up liquid phase fast-assembling joint two simultaneously at the oil filling riser lower extreme, makes and realizes that the tank wagon is totally closed at the loading in-process. In addition, the volatile tail gas recovery pipeline is arranged to collect tail gas generated by volatilization of the volatile gas, so that the volatile tail gas is collected in a sealed manner during loading, and the health damage to loading personnel is reduced; collecting and treating the unorganized waste gas containing volatile organic compounds, and reducing the leakage of VOcs; utilize and unload the similar liquid of material as the absorbent, absorb waste gas and retrieve, reduce the material extravagant, all the other waste gases adopt catalytic oxidation device to catalyze and burn, reduce the influence of VOCs to the environment.

Drawings

The present application is further described below with reference to the drawings and examples.

FIG. 1 is a schematic diagram of a conventional atmospheric pressure filling structure for volatile liquid.

Fig. 2 is a detailed schematic view of the truck-mounted structure of fig. 1.

FIG. 3 is a schematic view of an atmospheric pressure filling structure of a volatile liquid in the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the attached drawings

10. Tank car 11, opening 101 and gas phase quick coupler I

102. A first liquid phase quick connecting head 103, a first switch valve 104 and a second switch valve

20. Oil filling riser 21, sealing cap 201 and liquid phase quick coupler II

202. Flexible pipe 1

30. Production facility delivery line

40. A volatile gas recovery pipeline 401, a gas phase quick connector II 402 and a hose II

60. Overflow switch

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Fig. 1 and 2 show a prior art atmospheric filling structure for volatile liquid, as shown in fig. 1-2, which includes an opening 11 at the top of the tank car 10, and when loading, a loading arm 20 connected to an output pipe 30 of the production equipment extends into the opening 11 to deliver volatile liquid from the production equipment to the tank car 10. A sealing cap 21 is sleeved on the oil filling riser, and the sealing cap 21 is plugged in the opening 11 during loading. In the conventional normal pressure filling structure for volatile liquid, the sealing between the sealing cap 21 and the opening 11 is not tight, and the volatile liquid is easily spilled.

Fig. 3 and 4 show an atmospheric pressure filling structure of volatile liquid in an embodiment of the present application. 3-4, the volatile liquid normal pressure filling structure comprises a gas phase quick-connection head I101 and a liquid phase quick-connection head I102, wherein the gas phase quick-connection head I101 and the liquid phase quick-connection head I102 are arranged on the top of the tank car. The first gas phase quick connecting head 101 is provided with a first switch valve 103, and the first switch valve 103 is used for controlling the first gas phase quick connecting head 101 to be switched on and off; and a second switch valve 104 is installed on the first liquid phase quick connecting head 102, and the second switch valve 104 is used for controlling the first liquid phase quick connecting head 102 to be switched on and off.

In addition, a second liquid-phase quick connector 201 is arranged at the lower end of the loading arm 20, the second liquid-phase quick connector 201 is matched with the first liquid-phase quick connector 102, the second liquid-phase quick connector 201 is connected with the first liquid-phase quick connector 102 during loading, and the second switch valve 104 is opened to enable the volatile liquid to flow into the tank wagon 10 from the production equipment output pipeline 30. The second liquid phase quick coupler 201 is connected with the oil filling riser 20 through the first hose 202, and the direction of the second liquid phase quick coupler 201 can be adjusted at will through the oil filling riser 20, so that the second liquid phase quick coupler 201 and the first liquid phase quick coupler 102 can be assembled better.

Secondly, this application volatile liquid ordinary pressure fills dress structure still be provided with a volatile gas recovery pipeline 40 for retrieve the volatile tail gas that produces of loading in-process volatile liquid. Specifically, the lower end of the volatile gas recovery pipeline 40 is provided with a second gas phase quick coupler 401, the second gas phase quick coupler 401 is matched with the first gas phase quick coupler 101, during loading, the second gas phase quick coupler 401 is connected with the first gas phase quick coupler 101, and the second switch valve 104 is opened, so that tail gas generated by volatilization of volatile liquid is sent to a subsequent treatment working section through the volatile gas recovery pipeline 40. The second gas phase quick assembly connector 401 is connected with the volatile gas recovery pipeline 40 through a second hose 402, and the direction of the second gas phase quick assembly connector 401 can be adjusted randomly through the volatile gas recovery pipeline 40, so that the second gas phase quick assembly connector 401 and the first gas phase quick assembly connector 101 can be assembled better.

In the technical scheme, this application volatile liquid ordinary pressure fills dress structure still be provided with overflow switch 60 for liquid level in the tank wagon 10 and production switching signal when the control loading, send out warning information when the tank wagon 10 loading finishes. The overflow switch 60 includes an overflow switch interface and an overflow switch probe, the overflow switch interface is disposed at the top of the tank car 10, and the overflow switch probe extends into the overflow switch interface during loading.

Finally, as shown in fig. 3-4, the embodiment of the present application further discloses a method for filling volatile liquid at normal pressure, which includes the following steps:

loading, connecting a second liquid-phase quick connector 201 at the tail end of the oil filling riser 20 with a first liquid-phase quick connector 102 at the top of the tank wagon 10, and opening a second switch valve 104 to enable volatile liquid to flow into the tank wagon 10 through the production equipment output pipeline 30;

collecting tail gas, connecting a second gas-phase quick connector 401 at the tail end of the volatile gas recovery pipeline 40 with a first gas-phase quick connector 101 at the top of the tank car 10, and opening a first switch valve 103 to collect the tail gas generated by volatilization of the volatile liquid through the volatile gas recovery pipeline 40; the collected tail gas is sent to a rear working section, the tail gas is washed and absorbed, and materials are recycled as much as possible; the unabsorbed gas is catalytically incinerated through the catalytic oxidation device, so that the influence on the environment is reduced.

Monitoring the liquid level, extending an overflow switch probe into an overflow switch interface arranged at the top of the tank car, monitoring the liquid level in the tank car 10 and generating a switch signal when loading, and sending out a reminding message when the tank car 10 finishes loading.

Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims (7)

1. The utility model provides a volatile liquid ordinary pressure fills dress structure which characterized in that includes:

a tank car, said tank car comprising:

the first gas-phase quick-connection joint is arranged at the top of the tank car;

the liquid phase quick connecting head I is arranged at the top of the tank car;

the crane pipe is connected with an output pipeline of production equipment, the tail end of the crane pipe is provided with a liquid phase quick connector II, and the liquid phase quick connector II is matched with the liquid phase quick connector I;

the tail end of the volatile gas recovery pipeline is provided with a gas phase quick coupler II, and the gas phase quick coupler II is matched with the gas phase quick coupler I.

2. The atmospheric pressure volatile liquid filling structure according to claim 1, wherein a first switching valve is disposed above the first vapor phase quick-connection head.

3. The atmospheric pressure volatile liquid filling structure according to claim 1, wherein a second switch valve is disposed above the first liquid phase quick-connection joint.

4. The volatile liquid normal pressure filling structure of claim 1, wherein the oil filling riser is connected to the liquid phase quick assembling machine head II through a hose I.

5. The atmospheric-pressure volatile liquid filling structure according to claim 1, wherein the volatile gas recovery pipe and the first gas-phase quick-connection head are connected through a second hose.

6. The volatile liquid atmospheric-pressure filling structure of claim 1, wherein the volatile liquid atmospheric-pressure filling structure further comprises an overflow switch.

7. The volatile liquid atmospheric-pressure filling structure of claim 6, wherein the overflow switch comprises:

the overflow switch interface is arranged at the top of the tank car;

and the overflow switch probe extends into the overflow switch interface.

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