CN219860566U - Oil gas recovery system - Google Patents
Oil gas recovery system Download PDFInfo
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- CN219860566U CN219860566U CN202320321511.8U CN202320321511U CN219860566U CN 219860566 U CN219860566 U CN 219860566U CN 202320321511 U CN202320321511 U CN 202320321511U CN 219860566 U CN219860566 U CN 219860566U
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- adsorption tower
- oil
- adsorption
- dissolving tank
- gas
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- 238000011084 recovery Methods 0.000 title claims abstract description 40
- 238000001179 sorption measurement Methods 0.000 claims abstract description 81
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 66
- 239000000295 fuel oil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 54
- 238000000034 method Methods 0.000 description 11
- 238000004090 dissolution Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses an oil gas recovery system, which belongs to the technical field of oil gas recovery, and comprises a gas pipeline and an adsorption tower, wherein the inlet end of the gas pipeline is connected above the liquid level in an oil tank; the device also comprises a dissolving tank, wherein fuel oil is filled in the dissolving tank, one side above the liquid level in the dissolving tank is connected with an outlet end of a gas pipeline, a one-way valve is arranged on the gas pipeline, the top end of the dissolving tank is connected with an adsorption tower through a pressure limiting component, and the pressure limiting component is allowed to be communicated with the adsorption tower when the pressure in the dissolving tank reaches a set value; the adsorption tower is internally provided with activated carbon, the top of the adsorption tower is provided with an exhaust pipe provided with a valve, the adsorption tower is also connected with an inlet of a vacuum pump, an outlet of the vacuum pump is connected with a compressor, and the compressor is connected with a condensing device for liquefying compressed and warmed oil gas. The utility model has simple and reliable structure, combines the oil gas recovery effect and the operation and maintenance cost, and is very suitable for users who load and unload oil in small batches frequently.
Description
Technical Field
The utility model relates to the technical field of oil gas recovery, in particular to an oil gas recovery system.
Background
The oil gas recovery is to collect the oil gas generated by loading and unloading fuel oil, such as loading and unloading gasoline and loading fuel oil to vehicles, and the oil gas generated by loading crane pipes in a fuel reservoir, and to realize recovery of the part of fuel oil by a physical adsorption process, so that fuel oil waste can be avoided, pollution of the oil gas is reduced, and the purpose of recycling is achieved. The prior oil gas recovery technology is mature, one of the main modes is adsorption, oil gas scattered in a container is pumped away from an oil tank or an oil tank by adopting a pipeline and is transported to an absorbing device, fuel oil and gas in the oil gas are directly separated from air, the mode is simple in procedure and relatively single, a certain recovery effect is achieved, but the recovery mode is rough, the recovery rate is not high, an efficient recovery system is millions of price movements in the market at present, and the method is inapplicable to some small gas stations or oil reservoirs or units needing to frequently carry out batch small oil loading and unloading, so that the method either selects inefficient recovery equipment, cannot obtain ideal recovery effect, or is simply and directly discharged into the atmosphere, and atmospheric pollution is caused.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an oil gas recovery system, which solves the problem that the recovery efficiency and the operation and maintenance cost cannot be considered in the existing oil gas recovery equipment, and meets the requirements of oil gas recovery in large-batch oil loading and unloading and the customer requirements of frequent small-batch oil loading and unloading.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: an oil gas recovery system comprises a gas pipeline and an adsorption tower, wherein the inlet end of the gas pipeline is connected above the liquid level in an oil tank; the device comprises a gas pipeline, a pressure limiting component and an adsorption tower, wherein the gas pipeline is arranged on the top of the gas pipeline;
the adsorption tower is characterized in that activated carbon is arranged in the adsorption tower, an exhaust pipe provided with a valve is arranged at the top of the adsorption tower, the adsorption tower is also connected with an inlet of a vacuum pump, an outlet of the vacuum pump is connected with a compressor, and the compressor is connected with a condensing device for liquefying compressed and warmed oil gas.
Further, the pressure limiting component comprises a valve pipe vertically arranged at the top end of the dissolving tank, the top end of the valve pipe is closed, the bottom end of the valve pipe is communicated with the upper part inside the dissolving tank, and a valve hole is formed in the side wall of the valve pipe; the valve tube is internally provided with a piston which is vertically matched with the valve tube in a sliding way, one side of the piston is provided with a sliding plate, a through hole is formed in the sliding plate, when the oil gas pressure in the oil tank reaches a set value, the piston can be pushed to move to a limit position, the through hole of the sliding plate at the limit position is communicated with the valve hole in an aligned way, and the valve hole is communicated with the bottom end of the adsorption tower.
Further, the top end of the piston is connected with the closed end of the valve pipe through a pressure-bearing spring, the pressure-bearing spring is vertically arranged, and in a natural state, a sliding plate of the piston which is hung and installed is positioned at a position where the valve hole and the through hole are completely staggered.
Further, a plurality of adsorption plates embedded with active carbon are arranged in the adsorption tower at intervals in the vertical direction, the adsorption plates are horizontally arranged in the adsorption tower, and the adsorption plates can rotate around a horizontal axis to turn over for 180 degrees.
Further, the adsorption tower is used for installing the part of adsorption plate is cylindric structure, and the adsorption plate is the plectane structure, and the both ends of the diameter direction of adsorption plate respectively have a hinge, and two hinge rotate respectively and install on the lateral wall of adsorption tower, and the sprocket is installed to the part that one hinge exposes the adsorption tower lateral wall, and all sprockets are all rotated 180 degrees by motor drive through unified chain.
Further, a pipeline for outputting the condensed oil gas on the condensing device is connected with the bottom end of the adsorption tower.
(III) beneficial effects
The utility model provides an oil gas recovery system, which adopts the existing adsorption process as far as the process is concerned, but firstly, the concentration and the pressurization are increased before the oil gas enters an adsorption tower, so that part of the oil gas is dissolved in the same fuel oil, and the effect of direct recovery is realized. Secondly, the oil gas after preliminary dissolution is poured into the adsorption tower to carry out multistage adsorption from bottom to top, so that better adsorption effect can be obtained, and compared with the traditional whole activated carbon bed, the oil gas has small flowing resistance, and the oil gas can be recovered in advance by the prior dissolution, so that the adsorption tower also has good recovery efficiency. Thirdly, the oil in the activated carbon is fully sucked out by adopting a special vacuum pump after adsorption, and the formed high-concentration oil vapor enters a compressor again to be compressed to high temperature, so that the oil gas is fully liquefied by combining a condensing system, the corresponding oil is obtained, the recovery efficiency is higher, and the recovery is also more thorough.
Finally, the utility model is assembled by adopting some existing equipment, besides the special parts, the rest of the whole structure is simpler, easy to obtain, convenient to maintain and install, and is more suitable for customers buying and selling small batches of oil materials compared with millions of recovery systems, thus being beneficial to oil gas recovery in an intangible way, saving energy and protecting the environment.
Drawings
FIG. 1 is a partial block diagram of the present utility model;
FIG. 2 is a diagram of a connection structure between a pressure limiting member and an adsorption tower;
fig. 3 is a top view of the suction plate.
In the figure: dissolving tank 1, gas pipeline 2, pressure limiting part 3, valve pipe 301, pressure-bearing spring 302, piston 303, via hole 304, slide plate 305, buffer tube section 4, valve hole 401, adsorption tower 5, activated carbon 6, adsorption plate 7, sprocket 8, chain 9, articulated shaft 10.
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.
As shown in fig. 1, this embodiment specifically describes an oil gas recovery system, which, like the existing recovery apparatus, also includes a gas pipe 2 and an adsorption tower 5, the inlet end of the gas pipe 2 is connected above the liquid level in the oil tank, but the gas pipe 2 does not directly output oil gas into the adsorption tower 5, but is first sent into a dissolving tank 1 for pre-dissolution recovery. Specifically, this dissolving tank 1 is equipped with the fuel, if carry out oil gas recovery to petrol, then the fuel can be petrol, of course, the fuel does not fill dissolving tank 1, one side above the liquid level in dissolving tank 1 is connected with the exit end of gas transmission pipeline 2, install the check valve on the gas transmission pipeline 2, avoid the oil gas to flow back to in the oil tank, make the oil gas in the oil tank after the escape, all get into the upper portion airtight space in the oil tank, when gathering more, the pressure rises, the oil gas is convenient for partly direct solution in same fuel, directly realize retrieving. At the same time, the top end of the dissolving tank 1 is connected with an adsorption tower 5 through a pressure limiting component 3, and the pressure limiting component 3 is allowed to be communicated with the adsorption tower 5 when the pressure in the dissolving tank 1 reaches a set value, namely, before the rated pressure is reached, oil gas is only buffered in the dissolving tank 1, and the pressure is increased so as to be dissolved in fuel as much as possible.
In the specific implementation, the activated carbon 6 is installed in the adsorption tower 5 to absorb oil gas, an exhaust pipe (not shown in the figure) with a valve is arranged at the top of the adsorption tower 5, and when the valve is opened, the exhaust after adsorption is realized, and almost all the exhaust air is discharged. The adsorption tower 5 is also connected to the inlet of a vacuum pump (not shown), the outlet of which is connected to a compressor (not shown) which is connected to a condensing device (not shown) for liquefying the compressed and warmed oil gas, and before the vacuum pump is started in use, the valve must be closed to ensure that the oil in the activated carbon 6 is sufficiently pumped away into the condensing device for liquefying into the corresponding oil, for example, gasoline.
As one of specific implementation details, as shown in fig. 2, the pressure limiting component 3 of the embodiment includes a valve tube 301 vertically installed at the top end of the dissolution tank 1, the top end of the valve tube 301 is closed, the bottom end is communicated with the upper part of the interior of the dissolution tank 1, a valve hole 401 is formed in the side wall of the valve tube 301, a piston 303 vertically sliding and matched with the valve tube 301 is also installed in the valve tube 301, a sliding plate 305 is arranged on one side of the piston 303, a through hole 304 is formed in the sliding plate 305, when the oil gas pressure in the oil tank reaches a set value, the piston 303 can be pushed to move upwards to a limit position, the through hole 304 of the sliding plate 305 at the limit position is just aligned and communicated with the valve hole 401, and the valve hole 401 is communicated with the bottom end of the adsorption tower 5, so that the oil gas in the dissolution tank 1 is continuously conveyed towards the adsorption tower 5. For the installation of the piston 303, the top end of the piston 303 is connected with the closed end of the valve tube 301 through the pressure-bearing spring 302, the pressure-bearing spring 302 is vertically arranged, and in a natural state, the sliding plate 305 of the piston 303 which is suspended and installed is positioned at a position where the valve hole 401 and the through hole 304 are completely staggered, and gradually moves upwards along with the increase of oil gas, and then the valve hole 401 is opened to exhaust towards the adsorption tower 5.
With continued reference to fig. 1, for the setting of activated carbon 6, a plurality of adsorption plates 7 embedded with activated carbon 6 are uniformly arranged in the adsorption tower 5 at intervals in the vertical direction, the adsorption plates 7 are horizontally arranged in the adsorption tower 5, and the adsorption plates 7 can rotate around the horizontal axis to turn over 180 degrees, so that the gas facing surface of the adsorption plates 7 can be changed at one time to avoid blockage, because oil gas always flows downwards and upwards, passes through the adsorption plates 7, and the air holes of the activated carbon 6 in the adsorption plates 7 are fixed, when one end is blocked, the turnover surfaces can be skillfully utilized to dredge by the impact of the oil gas. In order to facilitate rotation, the adsorption tower 5 is of a cylindrical structure, as shown in fig. 3, the adsorption plate 7 is of a circular plate structure, two hinge shafts 10 are respectively arranged at two ends of the adsorption plate 7 in the diameter direction, the two hinge shafts 10 are respectively rotatably arranged on the side wall of the adsorption tower 5, a part of one hinge shaft 10 exposing the side wall of the adsorption tower 5 is provided with chain wheels 8, all the chain wheels 8 are driven by a motor (not shown in the figure) through a unified chain 9 to rotate 180 degrees, the motor is very convenient and reliable, the motor can select the best with a locking function, and the chain wheels 8 are ensured to be fixed after the machine is stopped.
In addition, in order to make oil gas more fully retrieve, can be with the pipeline that is used for exporting the residual oil gas after the condensation on the condensing equipment with the bottom of adsorption tower 5 is connected, again carry out the process of absorption recovery, improve the rate of recovery.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an oil gas recovery system, includes gas-supply pipeline (2) and adsorption tower (5), and the top of the inside liquid level of oil tank is connected in the entry end of gas-supply pipeline (2), its characterized in that: the device comprises a dissolving tank (1), wherein fuel is filled in the dissolving tank (1), the fuel is not filled in the dissolving tank (1), one side above the liquid level in the dissolving tank (1) is connected with the outlet end of a gas pipeline (2), a one-way valve is arranged on the gas pipeline (2), the top end of the dissolving tank (1) is connected with an adsorption tower (5) through a pressure limiting component (3), and the pressure limiting component (3) is allowed to be communicated with the adsorption tower (5) when the pressure in the dissolving tank (1) reaches a set value;
the adsorption tower (5) is internally provided with activated carbon (6), the top of the adsorption tower (5) is provided with an exhaust pipe provided with a valve, the adsorption tower (5) is also connected with an inlet of a vacuum pump, an outlet of the vacuum pump is connected with a compressor, and the compressor is connected with a condensing device for liquefying oil gas after compression and heating.
2. The oil and gas recovery system of claim 1, wherein: the pressure limiting component (3) comprises a valve pipe (301) vertically arranged at the top end of the dissolving tank (1), the top end of the valve pipe (301) is closed, the bottom end of the valve pipe is communicated with the upper part inside the dissolving tank (1), and a valve hole (401) is formed in the side wall of the valve pipe (301); a piston (303) which is vertically matched with the valve pipe in a sliding mode is further arranged in the valve pipe (301), a sliding plate (305) is arranged on one side of the piston (303), a through hole (304) is formed in the sliding plate (305), when the oil gas pressure in the oil tank reaches a set value, the piston (303) can be pushed to move upwards to a limit position, the through hole (304) of the sliding plate (305) at the limit position is communicated with the valve hole (401) in an aligned mode, and the valve hole (401) is communicated with the bottom end of the adsorption tower (5).
3. The oil and gas recovery system of claim 2, wherein: the top end of the piston (303) is connected with the closed end of the valve pipe (301) through a pressure-bearing spring (302), the pressure-bearing spring (302) is vertically arranged, and in a natural state, a sliding plate (305) of the piston (303) which is installed in a hanging mode is located at a position where a valve hole (401) and a through hole (304) are completely staggered.
4. The oil and gas recovery system of claim 1, wherein: a plurality of adsorption plates (7) embedded with activated carbon (6) are arranged in the adsorption tower (5) at intervals in the vertical direction, the adsorption plates (7) are horizontally arranged in the adsorption tower (5), and the adsorption plates (7) can rotate around a horizontal axis to turn over for 180 degrees.
5. The oil and gas recovery system of claim 4, wherein: the adsorption tower (5) is used for installing the part of adsorption plate (7) is cylindric structure, and adsorption plate (7) are the plectane structure, and both ends of the diameter direction of adsorption plate (7) respectively have a hinge (10), and two hinge (10) rotate respectively and install on the lateral wall of adsorption tower (5), and sprocket (8) are installed in the part that one hinge (10) exposes adsorption tower (5) lateral wall, and all sprocket (8) are rotated 180 degrees by motor drive through unified chain (9).
6. The oil and gas recovery system of claim 1, wherein: and a pipeline for outputting the condensed residual oil gas on the condensing device is connected with the bottom end of the adsorption tower (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321511.8U CN219860566U (en) | 2023-02-27 | 2023-02-27 | Oil gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321511.8U CN219860566U (en) | 2023-02-27 | 2023-02-27 | Oil gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860566U true CN219860566U (en) | 2023-10-20 |
Family
ID=88338483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320321511.8U Active CN219860566U (en) | 2023-02-27 | 2023-02-27 | Oil gas recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860566U (en) |
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2023
- 2023-02-27 CN CN202320321511.8U patent/CN219860566U/en active Active
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