Multifunctional cart type hose station for offshore oil production platform
By using a multi-functional trolley-type hose station, which utilizes a pneumatic diaphragm pump and hose coiling, the safety hazards of leakage and pressure relief operations in the electric water trucks of offshore oil production platforms have been solved. This has enabled safe cleaning and closed pressure relief driven by clean compressed air, thus improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
Leaks in the electric water trucks of offshore oil production platforms have caused short circuits in the power supply system and pose a risk of electric shock. Harmful gases have also been released during depressurization operations, and existing equipment poses safety hazards.
The multi-functional trolley-type hose station utilizes a pneumatic diaphragm pump and hose coiling, and uses clean compressed air as a power source to achieve daily maintenance and cleaning as well as closed-loop pressure relief, avoiding power consumption and the escape of harmful gases.
This transformation achieves inherent safety in the equipment, avoids electric shock and platform power failure accidents, reduces the risk of harmful gas leaks, and improves the safety level.
Smart Images

Figure CN224049123U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the daily maintenance cleaning technical field of offshore oil production platform, especially relates to a multifunctional trolley type hose station for offshore oil production platform. BACKGROUND
[0002] In the daily maintenance cleaning work of offshore oil production platform, water car is usually needed, and the conventional water car is generally driven by electric power pressurization, and the water car has platform water supply station and power supply at the same time, when the water car appears leakage and dripping, power supply system short circuit may be caused, and serious situation may lead to tripping and partial module power off, and the leakage water contains impurity ions and conducts electricity, which may cause electric shock and other dangerous situations. In the conventional pressure relief operation of offshore oil production platform, for example, before the oil-water well pipe string operation and annular pressure test, annular pressure relief is usually needed, and when the pressure is relieved, the wellhead pipeline needs to be connected to the closed discharge system, and in this process, the pipeline of appropriate size needs to be assembled and transported to the wellhead, and after the relief is completed, the residual part of the oil-water mixture in the pipeline is not easy to discharge, and if the pipeline is directly disassembled after the pressure relief, toxic gas (such as hydrogen sulfide) and flammable gas (such as methane) may be accompanied by spilling into the air.
[0003] Therefore, in order to solve the above two problems, a multifunctional trolley type hose station suitable for offshore oil production platform is needed, which can replace the electric water car, complete the daily maintenance cleaning work with only clean compressed air as the power source, save the power consumption, complete the intrinsic safety transformation of the equipment, and avoid the accidents caused by electric water car, such as electric shock and platform power loss; on the other hand, it can replace the traditional oil-water well pressure relief mode of carrying and dragging pipeline into position, save labor, realize closed pressure relief, liquid discharge and purging process, avoid harmful gas escaping when the pipeline is disassembled, greatly reduce the possibility of platform shutdown caused by platform harmful gas probe trigger logic and inhalation of harmful gas by operators, and effectively improve the intrinsic safety level. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a multifunctional trolley type hose station for offshore oil production platform, which is provided with a pneumatic diaphragm pump, a first hose coil and a second hose coil on the bracket, and can realize water car function and purging.
[0005] The utility model also aims at providing a multifunctional trolley type hose station for offshore oil production platform, which is provided with a second tee joint on the third air inlet pipe; the second tee joint is connected with a second bypass pipe, can be connected with the pipeline to be relieved, and can realize pressure relief and liquid discharge.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme, which comprises:
[0007] a bracket;
[0008] a pneumatic diaphragm pump arranged in the middle of the bracket;
[0009] a first hose coil arranged on the right side of the top of the bracket, a water outlet pipe being wound on the first hose coil, a front end of the water outlet pipe being connected with a liquid cavity of the first hose coil, and a high-pressure gun head being connected with a tail end of the water outlet pipe;
[0010] a second hose coil arranged on the left side of the top of the bracket, a purge gas pipe being wound on the second hose coil, a front end of the purge gas pipe being connected with a liquid cavity of the second hose coil;
[0011] a water inlet pipe, a tail end of which being connected with a liquid inlet of the pneumatic diaphragm pump, and a front end of which being connected with a water supply station;
[0012] a liquid outlet pipe, a front end of which being connected with a liquid outlet of the pneumatic diaphragm pump, and a tail end of which being connected with the liquid cavity of the first hose coil;
[0013] a first air inlet pipe, a tail end of which being provided with a two-position three-way valve, and a front end of which being connected with a gas supply station; the two-position three-way valve being connected with the liquid cavity of the pneumatic diaphragm pump and the second hose coil through a second air inlet pipe and a third air inlet pipe respectively.
[0014] Preferably, a first ball valve is arranged on the water inlet pipe, and a quick connector for connecting with the water supply station is arranged on the front end of the water inlet pipe.
[0015] Preferably, a first three-way valve is arranged on the front part of the liquid outlet pipe, the first three-way valve being connected with a first bypass pipe, and an anti-pulse damper being arranged on the first bypass pipe.
[0016] Preferably, a second ball valve is arranged on the middle part of the liquid outlet pipe, and a check valve is arranged on the rear part of the liquid outlet pipe.
[0017] Preferably, a needle valve for adjusting flow is arranged on the first air inlet pipe.
[0018] Preferably, a third ball valve is arranged on the rear part of the third air inlet pipe.
[0019] Preferably, a second three-way valve is arranged on the third air inlet pipe upstream of the third ball valve; the second three-way valve being connected with a second bypass pipe, and a fourth ball valve being arranged on the second bypass pipe.
[0020] Preferably, a hand wheel is arranged on the first hose coil.
[0021] Preferably, the pneumatic diaphragm pump is detachably arranged in the middle of the bracket through bolts.
[0022] Preferably, a foot cup is arranged at each corner of the bottom of the bracket, and a caster is connected to one side of each foot cup.
[0023] The utility model discloses the beneficial effect is: be equipped with pneumatic diaphragm pump, first hose coiling and second hose coiling on the bracket, can realize waterwheel function and carry out purging, be equipped with second three -way on the third air inlet pipe, second three -way is connected with second bypass pipe, can be connected with the pipeline of pressure relief, realizes pressure relief and liquid discharge. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a perspective view of the utility model for offshore oil platform's multifunctional trolley type hose station. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail below in combination with the drawings, so that the person skilled in the art can implement according to the description text.
[0026] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or other elements or combinations thereof.
[0027] As Figure 1 shown, the utility model discloses a multifunctional trolley type hose station 1 for offshore oil platform, including:
[0028] Bracket 110;
[0029] Pneumatic diaphragm pump 120, it is arranged in the middle part of bracket 110;
[0030] First hose coiling 130, it is arranged at the right side of the top of bracket 110, and the water outlet pipe 131 is wound on the first hose coiling 130, and the front end of the water outlet pipe 131 is connected with the liquid cavity of the first hose coiling 130, and the high pressure gun head 132 is connected to the end of the water outlet pipe 131;
[0031] Second hose coiling 140, it is arranged at the left side of the top of bracket 110, and the purging gas pipe 141 is wound on the second hose coiling 140, and the front end of the purging gas pipe 141 is connected with the liquid cavity of the second hose coiling 140;
[0032] Water inlet pipe 150, its end is connected with the liquid inlet of pneumatic diaphragm pump 120, and the front end is connected with water supply station;
[0033] Liquid outlet pipe 160, its front end is connected with the liquid outlet of pneumatic diaphragm pump 120, and the end is connected with the liquid cavity of the first hose coiling 130;
[0034] A first air inlet pipe 170 is provided with a two-position three-way valve 171 at its end, and its front end is connected with a gas supply station; the two-position three-way valve 171 is connected with the pneumatic diaphragm pump 120 and the liquid cavity of the second hose coil 140 through a second air inlet pipe 180 and a third air inlet pipe 190 respectively.
[0035] In another embodiment, a first ball valve 151 is arranged on the water inlet pipe 150, and a quick connector 152 for connecting with a water supply station is arranged at the front end of the water inlet pipe 150.
[0036] In another embodiment, a first three-way pipe 161 is arranged at the front part of the liquid outlet pipe 160, and a first bypass pipe 162 is connected with the first three-way pipe 161, and an anti-pulse damper 163 is arranged on the first bypass pipe 162.
[0037] In another embodiment, a second ball valve 164 is arranged at the middle part of the liquid outlet pipe 160, and a one-way valve 165 is arranged at the rear part of the liquid outlet pipe 160.
[0038] In another embodiment, a needle valve 172 for adjusting flow is arranged on the first air inlet pipe 170.
[0039] In another embodiment, a third ball valve 191 is arranged at the rear part of the third air inlet pipe 190.
[0040] In another embodiment, a second three-way pipe 192 is arranged upstream of the third ball valve 191 on the third air inlet pipe 190; a second bypass pipe 193 is connected with the second three-way pipe 192, and a fourth ball valve 194 is arranged on the second bypass pipe 193.
[0041] In another embodiment, a hand wheel 133 is arranged on the first hose coil 130.
[0042] In another embodiment, the pneumatic diaphragm pump 120 is detachably arranged in the middle part of the bracket 110 through a bolt 121.
[0043] In another embodiment, a foot cup 111 is arranged at each corner of the bottom of the bracket 110, and a caster 112 is connected with each foot cup 111.
[0044] In use, when the waterwheel function is realized, first connect the quick connector 152 of the water inlet pipe 150 with the water supply station, and the front end of the first air inlet pipe 170 with the air supply station; open the first ball valve 151, the second ball valve 164 and the needle valve 172 in turn, adjust the two-position three-way valve 171, so that the second air inlet pipe 180 is in communication with the first air inlet pipe 170, start the pneumatic diaphragm pump 120, and then open the high-pressure gun head 132; during use, the anti-pulse damper 163 must be in the working state. When the pressure relief function is realized, connect the second bypass pipe 193 with the pipeline to be relieved, close the needle valve 172, adjust the two-position three-way valve 171, so that the third air inlet pipe 190 is in communication with the first air inlet pipe 170, connect the blow-by gas pipe 141 with the closed drainage system at the end; then open the third ball valve 191 and the fourth ball valve 194, and the gas-liquid to be discharged is sequentially guided out to the closed drainage system through the liquid cavity of the second hose coil 140 and the blow-by gas pipe 141. After the pressure relief is completed, close the fourth ball valve 194, connect the front end of the first air inlet pipe 170 with the air supply station, open the needle valve 172, and continue to blow for a period of time, then repeatedly open and close the third ball valve 191 several times to ensure that the residual liquid is discharged as much as possible.
[0045] In summary, the multifunctional trolley type hose station 1 for offshore oil platform of the utility model, which is provided with the pneumatic diaphragm pump 120, the first hose coil 130 and the second hose coil 140 on the bracket, can realize the waterwheel function and blow-by; the second three-way pipe 192 is arranged on the third air inlet pipe 190; the second bypass pipe 193 is connected with the second three-way pipe 192, and can be connected with the pipeline to be relieved, so as to realize pressure relief and liquid discharge.
[0046] Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be fully applied to various fields suitable for the utility model. For those skilled in the art, other modifications can be easily realized, and therefore the utility model is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.
Claims
1. A multi-functional trolley hose station for an offshore production platform, characterized in that, It comprises: a bracket; a pneumatic diaphragm pump arranged in the middle of the bracket; a first hose reel arranged on the right side of the top of the bracket, a water outlet pipe being wound on the first hose reel, the front end of the water outlet pipe being connected with the liquid cavity of the first hose reel, and a high-pressure gun head being connected with the tail end of the water outlet pipe; a second hose reel arranged on the left side of the top of the bracket, a purge gas pipe being wound on the second hose reel, the front end of the purge gas pipe being connected with the liquid cavity of the second hose reel; a water inlet pipe, the tail end of which is connected with the liquid inlet of the pneumatic diaphragm pump, and the front end of which is connected with a water supply station; a liquid outlet pipe, the front end of which is connected with the liquid outlet of the pneumatic diaphragm pump, and the tail end of which is connected with the liquid cavity of the first hose reel; a first air inlet pipe, the tail end of which is provided with a two-position three-way valve, and the front end of which is connected with a gas supply station; the two-position three-way valve is connected with the liquid cavity of the second hose reel and the pneumatic diaphragm pump through a second air inlet pipe and a third air inlet pipe respectively.
2. The multi-functional cart-based hose station for an offshore production platform of claim 1, characterized in that: A first ball valve is arranged on the water inlet pipe, and a quick connector for connecting with the water supply station is arranged at the front end of the water inlet pipe.
3. The multi-functional trolley hose station for offshore production platforms according to claim 1 or 2, characterized in that: A first three-way pipe is arranged at the front part of the liquid outlet pipe, the first three-way pipe is connected with a first bypass pipe, and an anti-pulse damper is arranged on the first bypass pipe.
4. The multi-functional cart-based hose station for an offshore production platform of claim 1 or 2, characterized in that: A second ball valve is arranged at the middle part of the liquid outlet pipe; and a one-way valve is arranged at the rear part of the liquid outlet pipe.
5. The multi-functional cart-based hose station for an offshore production platform of claim 1 or 2, characterized in that: A needle valve for adjusting flow is arranged on the first air inlet pipe.
6. The multi-functional cart-based hose station for an offshore production platform of claim 1 or 2, characterized in that: A third ball valve is arranged at the rear part of the third air inlet pipe.
7. The multi-functional cart-based hose station for an offshore production platform of claim 6, characterized in that: A second three-way pipe is arranged upstream of the third ball valve on the third air inlet pipe; the second three-way pipe is connected with a second bypass pipe, and a fourth ball valve is arranged on the second bypass pipe.
8. The multi-functional cart-based hose station for an offshore production platform of claim 1 or 2, characterized in that: A hand wheel is arranged on the first hose reel.
9. The multi-functional cart-based hose station for an offshore oil production platform of claim 1 or 2, characterized in that: The pneumatic diaphragm pump is detachably arranged in the middle of the bracket by bolts.
10. The multi-functional cart-based hose station for an offshore oil production platform of claim 1 or 2, characterized in that: Foot cups are respectively arranged at the four corners of the bottom of the bracket, and casters are respectively connected with one side of the foot cups.