CN211925398U - Device for ensuring unloading safety of concentrated sulfuric acid - Google Patents
Device for ensuring unloading safety of concentrated sulfuric acid Download PDFInfo
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- CN211925398U CN211925398U CN201922432375.6U CN201922432375U CN211925398U CN 211925398 U CN211925398 U CN 211925398U CN 201922432375 U CN201922432375 U CN 201922432375U CN 211925398 U CN211925398 U CN 211925398U
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- sulfuric acid
- concentrated sulfuric
- valve
- unloading
- pump
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Abstract
The utility model discloses a guarantee concentrated sulfuric acid safe device of unloading, including car canning concentrated sulfuric acid, car jar discharge valve, buffer tank import valve, concentrated sulfuric acid buffer tank, the pump import valve of unloading, the pump of unloading, manometer, preceding exhaust valve, the pump outlet valve of unloading, check valve, back discharge valve, concentrated sulfuric acid storage jar outlet valve, concentrated sulfuric acid storage jar import valve and concentrated sulfuric acid storage jar. The utility model has the advantages that: the front exhaust valve and the rear exhaust valve are arranged at the front end and the rear end of the unloading pump outlet valve and the check valve respectively, concentrated sulfuric acid in a pipeline around the buffer tank can be collected simultaneously, two exhaust valves are additionally arranged around the unloading pump outlet valve, the valves are opened simultaneously, the air can be exhausted smoothly, the pump can be filled, the air in the tank and the concentrated sulfuric acid remained in the pipeline can be replaced, the concentrated sulfuric acid in the pipeline can be collected smoothly into the concentrated sulfuric acid buffer tank, and the disassembly and the assembly of the pipeline are facilitated, and the personal safety of operators is guaranteed.
Description
Technical Field
The utility model relates to a safety device specifically is a guarantee concentrated sulfuric acid safe device of unloading.
Background
At present, the most common concentrated sulfuric acid unloading device consists of: the unloading pump, the concentrated sulfuric acid storage tank and the matched valve pipe fitting. After the canned concentrated sulfuric acid in the automobile arrives at the field, a tank bottom discharge opening is connected with an inlet of an unloading pump; opening a sealing opening at the top of the automobile tank to enable the interior of the tank to be communicated with the atmosphere; opening the emptying valve and an inlet valve of the unloading pump, opening an outlet valve of the pump for exhausting, and closing the outlet valve of the pump after exhausting is finished; and then, starting the pump, and opening an outlet valve of the pump after the pressure is stable to finish discharging. However, a special pressure relief and exhaust device is not provided, and after unloading is finished, a certain amount of concentrated sulfuric acid is stored in pipelines at a pump outlet and an inlet and cannot enter a storage tank, and positive pressure exists at the joint of an automobile tank and an unloading pump, so that the concentrated sulfuric acid easily flows out when the connecting part of a tank car and the pump is disassembled, and personal injury is easily caused to operators; when the pump body is damaged during unloading, concentrated sulfuric acid in the pipeline cannot be collected timely, and the discharge amount of the concentrated sulfuric acid is large and unsafe.
Therefore, aiming at the problems, the device for ensuring the unloading safety of the concentrated sulfuric acid is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a guarantee concentrated sulfuric acid safe device of unloading just for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a device for guaranteeing unloading safety of concentrated sulfuric acid comprises automobile canned concentrated sulfuric acid, a concentrated sulfuric acid buffer tank, an unloading pump and a concentrated sulfuric acid storage tank, wherein an automobile tank discharge valve is arranged at the front end of the automobile canned concentrated sulfuric acid, a buffer tank inlet valve is arranged at the front end of the automobile tank discharge valve, the buffer tank inlet valve is connected to the upper surface of the concentrated sulfuric acid buffer tank, the right side of the concentrated sulfuric acid buffer tank is connected with an unloading pump inlet valve, and the unloading pump inlet valve is connected to the upper surface of the unloading pump;
the pump of unloading passes through concentrated sulfuric acid storage jar outlet valve and connects on concentrated sulfuric acid storage jar, concentrated sulfuric acid buffer tank and the pump of unloading are connected on concentrated sulfuric acid storage jar through preceding exhaust valve, pump outlet valve of unloading, check valve, back discharge valve and concentrated sulfuric acid storage jar import valve, the position department of the other end of pump outlet valve of unloading is connected with the manometer.
Preferably, a concentrated sulfuric acid cache tank is arranged between the vehicle canned concentrated sulfuric acid and the unloading pump, and an unloading pump inlet valve is arranged between the unloading pump and the concentrated sulfuric acid cache tank.
Preferably, a front exhaust valve and a rear exhaust valve are respectively arranged at the front end and the rear end of the unloading pump outlet valve and the check valve.
Preferably, a pressure gauge is arranged in the middle of the unloading pump and the unloading pump outlet valve.
Preferably, an automobile tank discharge valve and a buffer tank inlet valve are arranged between the automobile tank concentrated sulfuric acid and the concentrated sulfuric acid buffer tank.
Preferably, the upper end and the lower end of the concentrated sulfuric acid storage tank are respectively connected with a concentrated sulfuric acid storage tank inlet valve and a concentrated sulfuric acid storage tank outlet valve.
The utility model has the advantages that: the device for ensuring the unloading safety of the concentrated sulfuric acid has reasonable design, a concentrated sulfuric acid cache tank is arranged between the canned concentrated sulfuric acid of the automobile and the unloading pump, an unloading pump inlet valve is arranged between the unloading pump and the concentrated sulfuric acid cache tank and can collect the concentrated sulfuric acid in the pipeline to ensure the unloading safety, a front exhaust valve and a rear exhaust valve are respectively arranged at the front end and the rear end of an unloading pump outlet valve and a check valve, the upper end and the lower end of the concentrated sulfuric acid storage tank are respectively connected with the concentrated sulfuric acid storage tank inlet valve and the concentrated sulfuric acid storage tank outlet valve, the concentrated sulfuric acid in the pipeline at the front and the rear of the cache tank can be collected at the same time, two exhaust valves are additionally arranged at the front and the rear of the unloading pump outlet valve and can be opened at the same time, and the air is light, so that the air in the tank can be, make things convenient for the dismouting of pipeline and guarantee operating personnel's personal safety, be provided with car jar discharge valve and buffer tank import valve between car canning concentrated sulfuric acid and the concentrated sulfuric acid buffer tank, the in-process of unloading, the pump body in case damage, buffer can collect the concentrated sulfuric acid in the pipeline, reduce the outward discharge of concentrated sulfuric acid, relatively environmental protection, the pump of unloading and the pump outlet valve intermediate position department of unloading are provided with the manometer, when the manometer real number is close zero, the completion of indicating to unload for the device is more intelligent.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. canning concentrated sulfuric acid in a vehicle; 2. a car tank discharge valve; 3. an inlet valve of the buffer tank; 4. a concentrated sulfuric acid buffer tank; 5. an unloading pump inlet valve; 6. unloading the pump; 7. a pressure gauge; 8. a front exhaust valve; 9. an unloading pump outlet valve; 10. a check valve; 11. a rear exhaust valve; 12. an outlet valve of the concentrated sulfuric acid storage tank; 13. an inlet valve of a concentrated sulfuric acid storage tank; 14. concentrated sulfuric acid storage tank.
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.
Referring to fig. 1, a device for ensuring the unloading safety of concentrated sulfuric acid comprises a vehicle canned concentrated sulfuric acid 1, a concentrated sulfuric acid buffer tank 4, an unloading pump 6 and a concentrated sulfuric acid storage tank 14, wherein a vehicle tank discharge valve 2 is arranged at the front end of the vehicle canned concentrated sulfuric acid 1, the concentrated sulfuric acid buffer tank 4 is arranged between the vehicle canned concentrated sulfuric acid 1 and the unloading pump 6, an unloading pump inlet valve 12 is arranged between the unloading pump 6 and the concentrated sulfuric acid buffer tank 14, the concentrated sulfuric acid in a pipeline can be collected to ensure the unloading safety, a buffer tank inlet valve 3 is arranged at the front end of the vehicle tank discharge valve 2, the buffer tank inlet valve 3 is connected to the concentrated sulfuric acid buffer tank 4, a front exhaust valve 8 and a rear exhaust valve 11 are respectively arranged at the front end and the rear end of an unloading pump outlet valve 9 and a check valve 10, the upper end and the lower end of the concentrated sulfuric acid storage tank 14 are respectively connected to the concentrated sulfuric acid storage, the concentrated sulfuric acid in the pipeline around the buffer tank can be collected simultaneously, two exhaust valves are additionally arranged around an outlet valve of the unloading pump, the valves are opened simultaneously, the air is light, the pump can be smoothly exhausted and filled, the air in the tank and the concentrated sulfuric acid remained in the pipeline can be replaced, the concentrated sulfuric acid in the pipeline can be smoothly collected into the concentrated sulfuric acid buffer tank, the pipeline can be conveniently disassembled and assembled, and the personal safety of operators can be ensured, the right side of the concentrated sulfuric acid buffer tank 4 is connected with an unloading pump inlet valve 5, the unloading pump inlet valve 5 is connected to an unloading pump 6, the unloading pump 6 is connected to a concentrated sulfuric acid storage tank 14 through a concentrated sulfuric acid storage tank outlet valve 12, an automobile tank discharge valve 2 and a buffer tank valve 3 are arranged between an automobile tank-filled concentrated sulfuric acid 1 and the concentrated sulfuric acid buffer tank 4, and once a pump body is damaged in the unloading process, the buffer device can collect the, reduce the outward discharge of concentrated sulfuric acid, relatively environmental protection, concentrated sulfuric acid buffer tank 4 and unloading pump 6 are connected on concentrated sulfuric acid storage jar 14 through preceding exhaust valve 8, unloading pump outlet valve 9, check valve 10, back discharge valve 11 and concentrated sulfuric acid storage jar inlet valve 13, the position department of the other end of unloading pump outlet valve 9 is connected with the manometer, unloading pump 6 and unloading pump outlet valve 9 intermediate position department are provided with manometer 7, and when the manometer real number is close zero, the completion of indicating unloading for the device is more intelligent.
The working principle is as follows: when using this guarantee concentrated sulfuric acid safe device of unloading, at first, after the concentrated sulfuric acid is gone into the field, be connected vapour tank discharge valve 2 with buffer tank import valve 3, open vapour tank 1's top gas vent and concentrated sulfuric acid storage jar import valve 13 of concentrated sulfuric acid, then carry out the pump priming operation: opening a discharge valve 2 of the automobile tank, an inlet valve 3 of the buffer tank and an inlet valve 5 of the unloading pump, wherein an exhaust valve is required to be opened for exhausting because the concentrated sulfuric acid buffer tank 4, the unloading pump 6 and the accessory pipelines thereof are in a closed state; after the pump filling is finished, closing the front exhaust valve 8 and the rear exhaust valve 11, starting the unloading pump 6, slowly opening the outlet valve 9 of the unloading pump for unloading after the pressure gauge 7 is stable, and indicating that the unloading is finished when the real number of the pressure gauge 7 is close to zero; firstly closing an unloading pump outlet valve 9, then closing a buffer tank inlet valve 3, then stopping an unloading pump 6, opening a front exhaust valve 8 and a rear exhaust valve 11, completing replacement of gas in a concentrated sulfuric acid buffer tank 4 and concentrated sulfuric acid in a pipeline, enabling the concentrated sulfuric acid in the pipeline to flow into the concentrated sulfuric acid buffer tank 4, closing all valves, and detaching a connecting hose from an automobile tank discharge valve 2 to the buffer tank inlet valve 3 to complete safe unloading. In the unloading process, if the unloading pump is damaged, the inlet valve 3 of the buffer tank and the outlet valve 9 of the unloading pump are closed in time, so that the concentrated sulfuric acid in the pipeline flows into the concentrated sulfuric acid buffer tank 4, and the external discharge of the concentrated sulfuric acid is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a guarantee concentrated sulfuric acid safe device of unloading, includes car canning concentrated sulfuric acid (1), concentrated sulfuric acid buffer tank (4), pump of unloading (6) and concentrated sulfuric acid storage jar (14), its characterized in that: the front end of the automobile canned concentrated sulfuric acid (1) is provided with an automobile can discharge valve (2), the front end of the automobile can discharge valve (2) is provided with a buffer tank inlet valve (3), the buffer tank inlet valve (3) is connected to the upper surface of a concentrated sulfuric acid buffer tank (4), the right side of the concentrated sulfuric acid buffer tank (4) is connected with an unloading pump inlet valve (5), and the unloading pump inlet valve (5) is connected to the upper surface of an unloading pump (6);
the unloading pump (6) is connected on concentrated sulfuric acid storage jar (14) through concentrated sulfuric acid storage jar outlet valve (12), concentrated sulfuric acid buffer tank (4) and unloading pump (6) are connected on concentrated sulfuric acid storage jar (14) through preceding exhaust valve (8), unloading pump outlet valve (9), check valve (10), back discharge valve (11) and concentrated sulfuric acid storage jar inlet valve (13), the position department of the other end of unloading pump outlet valve (9) is connected with manometer (7).
2. The device for ensuring the unloading safety of concentrated sulfuric acid as claimed in claim 1, wherein: be provided with concentrated sulfuric acid buffer tank (4) between car canning concentrated sulfuric acid (1) and unloading pump (6), just be provided with unloading pump inlet valve (5) between unloading pump (6) and concentrated sulfuric acid buffer tank (4).
3. The device for ensuring the unloading safety of concentrated sulfuric acid as claimed in claim 1, wherein: and a front exhaust valve (8) and a rear exhaust valve (11) are respectively arranged at the front end and the rear end of the unloading pump outlet valve (9) and the check valve (10).
4. The device for ensuring the unloading safety of concentrated sulfuric acid as claimed in claim 1, wherein: and a pressure gauge (7) is arranged in the middle of the unloading pump (6) and the unloading pump outlet valve (9).
5. The device for ensuring the unloading safety of concentrated sulfuric acid as claimed in claim 1, wherein: an automobile tank discharge valve (2) and a buffer tank inlet valve (3) are arranged between the automobile tank concentrated sulfuric acid (1) and the concentrated sulfuric acid buffer tank (4).
6. The device for ensuring the unloading safety of concentrated sulfuric acid as claimed in claim 1, wherein: the upper end and the lower end of the concentrated sulfuric acid storage tank (14) are respectively connected with a concentrated sulfuric acid storage tank inlet valve (13) and a concentrated sulfuric acid storage tank outlet valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432375.6U CN211925398U (en) | 2019-12-30 | 2019-12-30 | Device for ensuring unloading safety of concentrated sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922432375.6U CN211925398U (en) | 2019-12-30 | 2019-12-30 | Device for ensuring unloading safety of concentrated sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211925398U true CN211925398U (en) | 2020-11-13 |
Family
ID=73326180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922432375.6U Active CN211925398U (en) | 2019-12-30 | 2019-12-30 | Device for ensuring unloading safety of concentrated sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211925398U (en) |
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2019
- 2019-12-30 CN CN201922432375.6U patent/CN211925398U/en active Active
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