In-situ desorption regeneration device for oil gas recovery

Abstract

The utility model discloses an on-site desorption regeneration device for oil gas recovery, which relates to the technical field of oil gas recovery, and comprises an adsorption tank body, a tank cover and a positioning disc, the bottom end of the adsorption tank body is connected with an exhaust pipe fitting in a penetrating manner, a vacuum pipe is connected right above the tank cover in a penetrating manner, a lifting mechanism is arranged in the adsorption tank body, and the lifting mechanism is connected with the positioning disc. The lifting mechanism is used for vertically lifting and guiding out the adsorption assembly, then the oil gas filter element can be quickly disassembled and replaced, the convenience of cleaning the interior of the adsorption tank body is improved, a limiting mechanism is arranged on the outer side of the positioning disc, and the limiting mechanism is used for adjusting the distance between the positioning discs according to the size and the number of the filter element; and therefore, the filter pieces with different surface areas can be assembled and positioned. In the using process, the clamps are pulled to slide and move on the outer sides of the positioning grooves, the clamps with the corresponding widths are selected according to the sizes of the adsorption filter plates, the clamps which are symmetrically arranged up and down are used for clamping the two sides of the adsorption filter plates, and then butt joint and quick release treatment on the multiple sets of adsorption filter plates are promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil gas recovery, specifically relates to oil gas recovery uses in situ desorption regeneration device. BACKGROUND

[0002] The adsorption method of oil gas recovery is a commonly used technology, which captures and recovers volatile organic compounds (VOCs) from gas flow by using adsorption materials (such as activated carbon, molecular sieve, etc.), and the oil gas in the tank truck enters the oil gas recovery device by self-pressure. Two adsorption tanks are alternately adsorbed, and when one tank is saturated, the other tank is switched to adsorption, and a vacuum pump and a circulating gasoline absorption system are started to regenerate the saturated activated carbon.

[0003] When recycling volatile gasoline, an activated carbon adsorption box is needed to absorb volatile oil gas and recycle volatile oil gas, so as to better recover oil gas. However, the activated carbon filter element in the activated carbon adsorption box needs to be replaced after a long time of use. The activated carbon filter element is installed on the activated carbon adsorption box by a plurality of bolts, so that the bolts need to be installed and disassembled one by one with a tool when replacing the activated carbon filter element, making the operation of replacing the activated carbon filter element more troublesome. SUMMARY

[0004] The utility model aims at providing oil gas recovery uses in situ desorption regeneration device to solve the above-mentioned defects caused by the prior art.

[0005] The oil gas recovery uses in situ desorption regeneration device, including adsorption tank body, tank cover and positioning disc, the bottom of adsorption tank body is connected with exhaust pipe element, the top of tank cover is connected with vacuum pipe, the inside of adsorption tank body is provided with lifting mechanism, lifting mechanism carries out vertical lifting to adsorption assembly, and then the oil gas filter element is conveniently disassembled and replaced, the convenience of cleaning in adsorption tank body is improved, the outside of positioning disc is provided with limiting mechanism, the spacing of positioning disc is adjusted according to the size and quantity of filter element, and then different surface area filter elements are assembled and positioned.

[0006] Preferably, the lifting mechanism includes a tank cover, an electric cylinder, a support plate, a positioning disc and an adsorption filter plate. The positioning disc is arranged below the tank cover. A support plate is arranged below one set of positioning discs. An adsorption filter plate is arranged between two sets of positioning discs. The electric cylinder is installed at the bottom of the adsorption tank body. The output end of the electric cylinder is connected with the support plate.

[0007] Preferably, the clamps arranged on the outside of the positioning disc are connected with the outside of the adsorption filter plate.

[0008] Preferably, the top end of the tank cover is connected with an air inlet pipe element.

[0009] Preferably, the limiting mechanism comprises a clamp, a vertical guide rod, a positioning disc, a positioning groove and a nut, the clamp is annularly arranged on the outer side of the positioning disc, the outer side of the positioning disc is provided with the positioning groove, the outer side of the positioning groove is connected with the clamp, the outer side of the positioning disc is provided with the vertical guide rod in a rectangular manner, the bottom end of the vertical guide rod is connected with the top end of the supporting plate, and the inner end of the clamp is connected with the outer side of the adsorption filter plate.

[0010] Preferably, the vertical guide rod is connected with the outer side of the supporting plate through the nut connected on the outer side.

[0011] Compared with the prior art, the limiting mechanism has the following advantages:

[0012] 1. In the use process, the clamp is pulled to slide and displace on the outer side of the positioning groove, the clamp with a corresponding width is selected according to the size of the adsorption filter plate, the clamp symmetrically arranged above and below is used to clamp the two sides of the adsorption filter plate, thereby the butt joint and quick release of the multiple adsorption filter plates are improved, and the convenience of replacing and disassembling the adsorption filter plate is saved.

[0013] 2. The operator pulls the positioning disc to move vertically on the outer side of the vertical guide rod, the operator adjusts the spacing of the two positioning discs according to the surface area of the adsorption filter plate, and simultaneously drives the supporting plate to vertically ascend by using the electric cylinder, thereby the multiple adsorption filter plates are conveniently moved out of the inside of the adsorption tank body, and the difficulty of disassembling and cleaning the adsorption filter plate is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a positive cross-sectional structure schematic view of the adsorption tank body in the utility model.

[0016] Figure 3 It is a structure schematic view of the limiting mechanism itself in the utility model.

[0017] Figure 4 It is a supporting plate ascending structure schematic view in the utility model.

[0018] Figure 5 It is a top view structure schematic view of the positioning disc in the utility model.

[0019] Among them:

[0020] 1, adsorption tank body; 2, tank cover; 3, vacuum pipe; 4, air inlet pipe; 5, electric cylinder; 6, supporting plate; 7, lifting mechanism; 8, clamp; 9, vertical guide rod; 10, positioning disc; 11, adsorption filter plate; 12, exhaust pipe; 13, limiting mechanism; 14, positioning groove; 15, nut. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] As shown in Figures 1 to 5 The oil and gas recovery in-situ desorption regeneration device, including adsorption tank body 1, tank cover 2 and positioning disc 10, the bottom end of adsorption tank body 1 is connected with exhaust pipe 12, the top of tank cover 2 is connected with vacuum pipe 3, the inside of adsorption tank body 1 is provided with lifting mechanism 7, lifting mechanism 7 carries out vertical lifting to adsorption assembly, in turn, it is convenient to carry out quick release and replacement to oil gas filter element, the convenience of cleaning inside adsorption tank body 1 is improved, the outside of positioning disc 10 is provided with limiting mechanism 13, limiting mechanism 13 adjusts the spacing of positioning disc 10 according to the size and quantity of filter element, in turn, the assembly and positioning treatment of filter element with different surface area are satisfied.

[0023] In the embodiment, the lifting mechanism 7 includes tank cover 2, electric cylinder 5, supporting plate 6, positioning disc 10 and adsorption filter plate 11, the lower side of tank cover 2 is provided with positioning disc 10, the lower side of one set of positioning disc 10 is provided with supporting plate 6, adsorption filter plate 11 is arranged between two sets of positioning disc 10, electric cylinder 5 is installed at the bottom end of adsorption tank body 1, the output end of electric cylinder 5 is connected with supporting plate 6, a plurality of adsorption filter plates 11 are flexibly adjusted and assembled through the symmetrical positioning disc 10.

[0024] In the embodiment, the clamps 8 arranged on the outside of the positioning disc 10 are connected with the outside of the adsorption filter plate 11, the upper and lower sides of the adsorption filter plate 11 are positioned through the detachable clamps 8, and the efficiency of disassembling the adsorption filter plate 11 is improved.

[0025] In the embodiment, the top end of the tank cover 2 is connected with the air inlet pipe 4, and the adsorbed gas is directly discharged through the air inlet pipe 4.

[0026] In the embodiment, the limiting mechanism 13 includes clamps 8, vertical guide rods 9, positioning discs 10, positioning grooves 14 and nuts 15, the clamps 8 are annularly arranged on the outside of the positioning disc 10, the positioning groove 14 is arranged on the outside of the positioning disc 10, the clamp 8 is connected with the outside of the adsorption filter plate 11, the vertical guide rods 9 are rectangularly arranged on the outside of the positioning disc 10, the bottom end of the vertical guide rod 9 is connected with the top end of the supporting plate 6, the inside of the clamp 8 is connected with the outside of the adsorption filter plate 11, the upper and lower sides of the positioning disc 10 are clamped through the nut 15, and the spacing of the two sets of positioning discs 10 is adjusted.

[0027] In the embodiment, the vertical guide rod 9 is connected with the outer side of the supporting plate 6 through the outer side connecting nut 15, and the multiple groups of adsorption filter plates 11 are vertically lifted and disassembled through the supporting plate 6.

[0028] The in-situ desorption regeneration device for oil gas recovery includes the following working contents in actual application:

[0029] Step 1: The operator first opens the tank cover 2, and then opens the electric cylinder 5 to vertically lift the supporting plate 6 and the positioning disc 10. The operator pulls the positioning disc 10 to vertically move the positioning disc 10 outside the vertical guide rod 9. The operator adjusts the spacing of the two groups of positioning discs 10 according to the surface area of the adsorption filter plate 11, and connects the nut 15 with the top end of the vertical guide rod 9.

[0030] Step 2: The operator installs the clamp 8 with a corresponding width in the inside of the positioning groove 14, locks the clamp 8 and the outer side of the positioning groove 14 through the bolts, positions the two sides of the adsorption filter plate 11 through the symmetrically arranged clamps 8, and locks the connection between the positioning disc 10 and the vertical guide rod 9 through the nut 15, thereby completing the positioning of one group of adjustable positioning discs 10.

[0031] Step 3: The electric cylinder 5 drives the supporting plate 6 and the positioning disc 10 to vertically descend, so that the multiple groups of adsorption filter plates 11 are placed in the inside of the adsorption tank body 1. The tank cover 2 is closed again. The operator connects the gas inlet pipe 4 with the gas conveying pump through the electric cylinder 5, thereby injecting the gas to be adsorbed into the inside of the adsorption tank body 1. After the oil gas is adsorbed by the multiple-stage adsorbents in the inside of the adsorption filter plate 11, the oil gas is discharged through the gas discharge pipe 12.

[0032] Step 4: The vacuum pump is started, and the vacuum pump pumps out the air in the inside of the vacuum pipe 3. At this time, the vacuum pipe 3 reduces the air pressure in the inside of the adsorption tank body 1. The adsorbed hydrocarbon components are desorbed from the surface of the adsorbent arranged in the inside of the adsorption filter plate 11, and the desorption gas with a higher oil gas concentration than the oil gas entering the device is conveyed to the absorption tower by the vacuum pump and is absorbed by the circulating gasoline, and finally returns to the gasoline storage tank together with the circulating gasoline.

[0033] Therefore, the above disclosed embodiments are only examples and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. An in-situ desorption regeneration device for oil and gas recovery, characterized by: The utility model provides absorbent jar body (1), jar cover (2) and positioning disc (10), the bottom end of absorbent jar body (1) is connected with exhaust pipe spare (12) through, the top of jar cover (2) is connected with vacuum pipe (3) through, the inside of absorbent jar body (1) is provided with lifting mechanism (7), lifting mechanism (7) carries out vertical lifting to absorbent assembly and leads out, and then the quick release and replacement of oil gas filter core are convenient, the inside cleaning convenience of absorbent jar body (1) is improved, the outside of positioning disc (10) is provided with limiting mechanism (13), limiting mechanism (13) adjusts the spacing of positioning disc (10) according to the size and the number of filter core, and then the filter piece of different surface area is assembled and positioned to meet the processing.

2. The in-situ desorption regeneration device for oil and gas recovery according to claim 1, characterized in that: The lifting mechanism (7) includes a jar cover (2), an electric cylinder (5), a supporting plate (6), a positioning disc (10), and an adsorption filter plate (11). The jar cover (2) is provided with the positioning disc (10) below. One group of the positioning disc (10) is provided with the supporting plate (6) below. The adsorption filter plate (11) is arranged between two groups of the positioning disc (10). The electric cylinder (5) is installed at the bottom end of the adsorption jar body (1). The output end of the electric cylinder (5) is connected with the supporting plate (6).

3. The in-situ desorption regeneration device for oil and gas recovery according to claim 2, characterized in that: The clamps (8) arranged on the outside of the positioning disc (10) are connected with the outside of the adsorption filter plate (11).

4. The in-situ desorption regeneration device for oil and gas recovery of claim 1, wherein: The top end of the jar cover (2) is connected with the air inlet pipe (4) through.

5. The in-situ desorption regeneration device for oil and gas recovery of claim 1, wherein: The limiting mechanism (13) includes clamps (8), vertical guide rods (9), positioning discs (10), positioning grooves (14), and nuts (15). The clamps (8) are annularly arranged on the outside of the positioning disc (10). The positioning groove (14) is arranged on the outside of the positioning disc (10). The clamp (8) is connected with the outside of the positioning groove (14). The vertical guide rods (9) are rectangularly arranged on the outside of the positioning disc (10). The bottom end of the vertical guide rod (9) is connected with the top end of the supporting plate (6). The inside end of the clamp (8) is connected with the outside of the adsorption filter plate (11).

6. The in-situ desorption regeneration device for oil and gas recovery of claim 5, wherein: The vertical guide rod (9) is connected with the outside of the supporting plate (6) through the nut (15) connected on the outside.

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