CN217377297U - Intelligent filling system for liquid tank field - Google Patents
Intelligent filling system for liquid tank field Download PDFInfo
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- CN217377297U CN217377297U CN202220691309.XU CN202220691309U CN217377297U CN 217377297 U CN217377297 U CN 217377297U CN 202220691309 U CN202220691309 U CN 202220691309U CN 217377297 U CN217377297 U CN 217377297U
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Abstract
The utility model provides a liquid tank field intelligence fills dress system, include: the intelligent loading crane comprises an intelligent loading crane arm unit, a tail gas collecting main pipe and an absorption tower; the tail gas collecting main pipe is connected to the gas inlet end of the absorption tower; wherein, an inlet interlocking control valve, a gas phase flow detection alarm instrument, an overflow alarm instrument, a gas phase detection alarm instrument and an electrostatic grounding abnormity alarm instrument are arranged in the filling methanol conveying pipe. The utility model provides a liquid tank field intelligence fills dress system can realize that loading process security performance promotes, realizes multiple interlocking control such as gaseous detection warning, overflow full signal, also can realize the recovery of the gaseous phase organic matter of loading in-process, promotes economic benefits.
Description
Technical Field
The utility model belongs to the technical field of petrochemical, coal chemical tank field liquid fill dress, concretely relates to liquid tank field intelligence fills dress system.
Background
At present, the filling of a liquid tank field adopts top submerged filling, and the filling is composed of a filling oil filling pipe, a metering system, purge gas and the like, so that the phenomena of organic gas volatilization and incomplete oil gas recovery exist, and increasingly strict environmental protection requirements cannot be met. In addition, the top submerged filling also has hidden troubles in safety, and the phenomenon that liquid impacts the bottom of the tank body exists during filling.
SUMMERY OF THE UTILITY MODEL
The defect to prior art exists, the utility model provides a liquid tank field intelligence fills dress system can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a liquid tank field intelligence fills dress system, include: the intelligent loading crane comprises an intelligent loading crane arm unit (1), a tail gas collecting main pipe (2) and an absorption tower (3);
the intelligent loading crane arm unit (1) is provided with a crane pipe liquid phase interface (1-1), a crane pipe gas phase interface (1-2), a loading gas phase crane arm (1-3) and a loading liquid phase crane arm (1-4);
one end of the crane pipe liquid phase interface (1-1) is connected with a methanol filling conveying pipe (L1); the other end of the crane pipe liquid phase interface (1-1) is connected with an inlet of the loading liquid phase crane arm (1-4); the outlet of the loading liquid crane arm (1-4) is used for being connected with a liquid interface at the bottom of the tank car;
one end of the oil filling riser gas phase interface (1-2) is connected to the tail gas collecting main pipe (2) through a tail gas collecting pipe (L2); one end of the crane pipe gas phase interface (1-2) is connected with an outlet of the loading gas phase crane arm (1-3); the inlet of the loading gas-phase crane arm (1-3) is used for being connected with a gas-phase interface at the top of the tank car;
the tail gas collecting main pipe (2) is connected to the gas inlet end of the absorption tower (3);
wherein, an inlet interlocking control valve (4), a gas phase flow detection alarm instrument (5), an overflow alarm instrument (6), a gas phase detection alarm instrument (7) and an electrostatic grounding abnormity alarm instrument (8) are arranged in the methanol filling conveying pipe (L1); the output ends of the gas phase flow detection alarm instrument (5), the overflow alarm instrument (6), the gas phase detection alarm instrument (7) and the electrostatic grounding abnormity alarm instrument (8) are connected to the input end of the safety protection host; and the output end of the safety protection host is connected with the control end of the inlet interlocking control valve (4).
Preferably, the loading gas-phase crane arm (1-3) and the loading liquid-phase crane arm (1-4) are provided with a breaking valve and an anti-dropping device.
Preferably, the loading gas phase crane arm (1-3) and the loading liquid phase crane arm (1-4) are provided with rotary joints.
Preferably, the middle part of the absorption tower (3) is communicated with a desalted water conveying pipe (L3); the bottom of the absorption tower (3) is divided into two branches after passing through a first spray pump (P1) and a second spray pump (P2) which are arranged in parallel, and one branch is connected to a top circulating liquid inlet of the absorption tower (3) through a circulating liquid conveying pipe (L4); the other branch is connected to the underground tank through an absorption liquid conveying pipe (L5); wherein a detector interface (N1) is arranged in series in front of the second spray pump (P2).
The utility model provides a liquid tank field intelligence fills dress system has following advantage:
the utility model provides a liquid tank field intelligence fills dress system can realize that loading process security performance promotes, realizes multiple interlocking control such as gaseous detection warning, overflow full signal, also can realize the recovery of the gaseous phase organic matter of loading in-process, promotes economic benefits.
Drawings
Fig. 1 is a schematic view of the overall structure of an intelligent filling system for a liquid tank farm provided by the present invention;
fig. 2 is the utility model provides a local enlargements of intelligence loading crane arm unit.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses mainly be applied to the tank field liquid in petrochemical, coal chemical industry field and fill the dress, can realize the intelligent dress that fills of safer environmental protection. Fill the dress system through intelligence, fill the dress under the liquid by the top and change into bottom dry-type valve and fill dress, can retrieve and fill the volatile organic matter of dress in-process, thoroughly purify the outer exhaust industrial gas of row, reduce VOCs, ensure that the discharge gas is discharge to reach standard, avoid liquid direct impact simultaneously, improve the security that fills the dress in-process, can also thoroughly retrieve the methyl alcohol in the gas of emptying, increase economic benefits.
The utility model provides a liquid tank field intelligence fills dress system, refer to fig. 1, include: the intelligent loading crane comprises an intelligent loading crane arm unit 1, a tail gas collecting main pipe 2 and an absorption tower 3;
the intelligent loading crane arm unit 1 is provided with a crane pipe liquid phase interface 1-1, a crane pipe gas phase interface 1-2, a loading gas phase crane arm 1-3 and a loading liquid phase crane arm 1-4;
one end of the liquid phase interface 1-1 of the oil filling riser is connected with a methanol filling conveying pipe L1; the other end of the crane pipe liquid phase interface 1-1 is connected with an inlet of a loading liquid phase crane arm 1-4; the outlet of the loading liquid crane arm 1-4 is used for connecting with a liquid interface at the bottom of the tank car;
one end of the oil filling riser gas phase interface 1-2 is connected to the tail gas collecting main pipe 2 through a tail gas collecting pipe L2; one end of the crane pipe gas phase interface 1-2 is connected with the outlet of the loading gas phase crane arm 1-3; the inlet of the loading gas-phase crane arm 1-3 is used for being connected with a gas-phase interface at the top of the tank car;
the tail gas collecting main pipe 2 is connected to the gas inlet end of the absorption tower 3;
wherein, an inlet interlocking control valve 4, a gas phase flow detection alarm instrument 5, an overflow alarm instrument 6, a gas phase detection alarm instrument 7 and an electrostatic grounding abnormity alarm instrument 8 are arranged in the filling methanol delivery pipe L1; the output ends of the gas phase flow detection alarm instrument 5, the overflow alarm instrument 6, the gas phase detection alarm instrument 7 and the electrostatic grounding abnormity alarm instrument 8 are connected to the input end of the safety protection host; and the output end of the safety protection host is connected with the control end of the inlet interlocking control valve 4.
The utility model discloses in, loading gaseous phase crane arm 1-3 and loading liquid phase crane arm 1-4 dispose and break valve and anticreep device. The loading gas phase crane arm 1-3 and the loading liquid phase crane arm 1-4 are provided with rotary joints.
In the utility model, the middle part of the absorption tower 3 is communicated with a desalted water delivery pipe L3; the bottom of the absorption tower 3 is divided into two branches after passing through a first spray pump P1 and a second spray pump P2 which are arranged in parallel, and one branch is connected to a top circulating liquid inlet of the absorption tower 3 through a circulating liquid conveying pipe L4; the other branch is connected to an underground tank through an absorption liquid conveying pipe L5; wherein, a detector interface N1 is arranged in series in front of the second spray pump P2.
The utility model provides a liquid tank field intelligence fills dress system, its theory of operation is:
(1) taking methanol filling as an example, methanol liquid conveyed by a pump is conveyed to a crane pipe liquid phase interface 1-1 of the intelligent loading crane arm unit 1 through a methanol filling conveying pipe L1;
in the process of conveying the methanol liquid through the methanol filling conveying pipe L1, the methanol liquid passes through an inlet interlocking control valve 4, a gas phase flow detection alarm instrument 5, an overflow alarm instrument 6, a gas phase detection alarm instrument 7 and an electrostatic grounding abnormity alarm instrument 8; through gaseous phase flow detection alarm 5, overflow alarm 6, gaseous phase detection alarm 7 and electrostatic grounding abnormity alarm 8, detect the quality parameter who carries methyl alcohol liquid respectively, include: a gas phase flow switch signal, an overflow alarm signal, a gas phase detection alarm signal and an electrostatic grounding abnormal signal; the inlet interlock control valve 4 is immediately switched off as soon as a signal alarm occurs.
(2) Referring to fig. 2, for the intelligent loading arm unit 1, methanol liquid is injected into the tank car through the liquid phase interface at the bottom of the tank car through the loading liquid phase arm 1-4 and the methanol liquid input through the liquid phase interface 1-1 of the loading arm; and (5) loading through the integrated control cabinet. Before loading, the key homing, the human body static electricity discharge, the tank car static electricity discharge connector connection and the like are needed.
Gas in the tank car enters a loading gas phase crane arm 1-3 through a gas phase interface at the top of the tank car, then enters a tail gas collecting pipe L2 from a crane pipe gas phase interface 1-2, and finally enters a tail gas collecting main pipe 2;
the loading gas-phase crane arm 1-3 and the loading liquid-phase crane arm 1-4 of the intelligent loading crane arm unit 1 are connected with each other through a plurality of rotary joints and seamless steel pipes made of the same material, so that three-dimensional movement of the arms is realized, and correct butt joint with a tank car at any position in a specified enveloping space can be guaranteed.
The loading arm at the bottom of the loading arm is provided with a spring cylinder balancing device which is used for balancing the parts such as the outer arm, the extending arm and the like and the gravity of liquid in the tube. The arm is always in a balanced state, and the up-and-down lifting and the left-and-right rotation are kept portable and flexible.
(3) Tail gas containing trace methanol gas from a gas phase interface of a filling riser enters a tail gas collecting main pipe 2 through a tail gas collecting pipe L2 and then enters the middle part of an absorption tower 3, and washing water from a desalted water pipe network enters the middle part of the absorption tower 3 through a desalted water conveying pipe L3; the desalted water is used for washing the collected tail gas.
The bottom of the washed washing liquid is divided into two branches after passing through a first spray pump P1 and a second spray pump P2 which are arranged in parallel, and one branch is connected to a top circulating liquid inlet of the absorption tower 3 through a circulating liquid conveying pipe L4; the other branch is connected to an underground tank through an absorption liquid conveying pipe L5; wherein, a detector interface N1 is arranged in series in front of the second spray pump P2.
The first spray pump P1 and the second spray pump P2 are arranged in parallel, and only one spray pump is started in actual use; therefore, the washed washing liquid is divided into two branches after the pressurization action of the first spray pump P1 or the second spray pump P2, one branch enters the upper part of the absorption tower 3 through the circulating liquid conveying pipe L4 and is in countercurrent contact with the methanol gas phase to absorb trace methanol contained in the gas phase; the other branch enters an underground groove for recycling through an absorption liquid conveying pipe L5 after the analysis concentration is qualified. The circulating liquid transport pipe L4 and the absorbing liquid transport pipe L5 can each control the flow rate and the open and closed state by a threshold.
The utility model provides a liquid tank field intelligence fills dress system can realize that loading process security performance promotes, realizes multiple interlocking control such as gaseous detection warning, overflow full signal, also can realize the recovery of the gaseous phase organic matter of loading in-process, promotes economic benefits.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (4)
1. An intelligent filling system for a liquid tank farm, comprising: the system comprises an intelligent loading arm unit (1), a tail gas collecting main pipe (2) and an absorption tower (3);
the intelligent loading crane arm unit (1) is provided with a crane pipe liquid phase interface (1-1), a crane pipe gas phase interface (1-2), a loading gas phase crane arm (1-3) and a loading liquid phase crane arm (1-4);
one end of the crane pipe liquid phase interface (1-1) is connected with a methanol filling conveying pipe (L1); the other end of the crane pipe liquid phase interface (1-1) is connected with an inlet of the loading liquid phase crane arm (1-4); the outlet of the loading liquid crane arm (1-4) is used for being connected with a liquid interface at the bottom of the tank car;
one end of the oil filling riser gas phase interface (1-2) is connected to the tail gas collecting main pipe (2) through a tail gas collecting pipe (L2); one end of the crane pipe gas phase interface (1-2) is connected with an outlet of the loading gas phase crane arm (1-3); the inlet of the loading gas-phase crane arm (1-3) is used for being connected with a gas-phase interface at the top of the tank car;
the tail gas collecting main pipe (2) is connected to the gas inlet end of the absorption tower (3);
wherein, an inlet interlocking control valve (4), a gas phase flow detection alarm instrument (5), an overflow alarm instrument (6), a gas phase detection alarm instrument (7) and an electrostatic grounding abnormity alarm instrument (8) are arranged in the methanol filling conveying pipe (L1); the output ends of the gas phase flow detection alarm instrument (5), the overflow alarm instrument (6), the gas phase detection alarm instrument (7) and the electrostatic grounding abnormity alarm instrument (8) are connected to the input end of the safety protection host; and the output end of the safety protection host is connected with the control end of the inlet interlocking control valve (4).
2. The intelligent filling system of a liquid tank farm according to claim 1, characterized in that the loading gas phase crane arm (1-3) and the loading liquid phase crane arm (1-4) are equipped with a break valve and an anti-drop device.
3. The liquid tank farm intelligent filling system of claim 1, wherein the loading gas phase crane arm (1-3) and the loading liquid phase crane arm (1-4) have a swivel.
4. The intelligent filling system of a liquid tank farm according to claim 1, wherein the middle part of the absorption tower (3) is communicated with a desalted water conveying pipe (L3); the bottom of the absorption tower (3) is divided into two branches after passing through a first spray pump (P1) and a second spray pump (P2) which are arranged in parallel, and one branch is connected to a top circulating liquid inlet of the absorption tower (3) through a circulating liquid conveying pipe (L4); the other branch is connected to the underground tank through an absorption liquid conveying pipe (L5); wherein a detector interface (N1) is installed in series in front of the second spray pump (P2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220691309.XU CN217377297U (en) | 2022-03-28 | 2022-03-28 | Intelligent filling system for liquid tank field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220691309.XU CN217377297U (en) | 2022-03-28 | 2022-03-28 | Intelligent filling system for liquid tank field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217377297U true CN217377297U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220691309.XU Active CN217377297U (en) | 2022-03-28 | 2022-03-28 | Intelligent filling system for liquid tank field |
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| Country | Link |
|---|---|
| CN (1) | CN217377297U (en) |
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- 2022-03-28 CN CN202220691309.XU patent/CN217377297U/en active Active
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