Condensing box for filtering oil gas

Abstract

The utility model relates to a condensing box for filtering oil gas, which is provided with a rack and a tank body, an end cover is arranged on the upper cover of the tank body, a gas inlet pipe and a gas outlet pipe are arranged on the tank body, a liquid discharge pipe is arranged at the bottom of the tank body, the tank body comprises a cylindrical upper tank body and an inverted circular truncated cone-shaped lower tank body, and the liquid discharge pipe is arranged at the bottom of the lower tank body. A liquid collecting tank is arranged below the liquid discharging pipe; a plurality of air inlet channels and a condensation pipeline are arranged in the tank body, a filtering piece is inserted into the liquid discharging pipe and comprises a filtering support, a plurality of filtering screens and a plurality of drying screens, a plurality of positioning assemblies are arranged on the liquid discharging pipe, and each positioning assembly comprises a lifting sliding groove, a lifting sliding block, a limiting sliding groove, a limiting sliding rod, a compressed spring, a connecting rod, a supporting plate and a positioning block. Positioning holes are formed in the filtering support, and the positioning blocks are inserted into the corresponding positioning holes through sliding fit of the limiting sliding rods and the limiting sliding grooves, continuous force application of the pressure springs and sliding fit of the lifting sliding blocks and the lifting sliding grooves. The device is ingenious in structure, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil gas filter field, especially oil gas filter with condensing tank. BACKGROUND

[0002] Oil gas recovery is a new energy-saving and environment-friendly technology, which recovers oil gas discharged during the storage and transportation of oil products by using oil gas recovery technology, prevents air pollution caused by oil gas volatilization, eliminates safety hazards, improves the utilization rate of energy, reduces economic losses, and thus obtains considerable benefits.

[0003] Common methods include adsorption, absorption, condensation and membrane separation systems, which reduce oil gas pollution or change oil gas from gas to liquid by one or two methods such as absorption, adsorption or condensation, and then change it back to gasoline to achieve the purpose of recycling. However, in the existing condensing tank, the defrosted oil liquid directly deposits at the bottom of the tank during the defrosting process after condensing oil gas. With the condensation of oil liquid, the water and other impurities generated during the condensation in the condensing tank will be mixed into the oil liquid, which makes the exported oil liquid unable to be used again or need to be purified twice before use, which is very inconvenient. SUMMARY

[0004] The utility model discloses a condensing tank for oil gas filtering, which is ingenious in structure and can efficiently filter the water and impurities in the oil liquid after condensation, which is efficient and convenient.

[0005] The technical scheme for realizing the purpose of the utility model is: the utility model discloses a condensing tank for oil gas filtration, which comprises a rack, a tank body fixed on the rack, an end cover arranged on the tank body, an air inlet pipe and an air outlet pipe arranged on the tank body and communicated with the tank body, a liquid discharge pipe arranged at the bottom of the tank body, the tank body comprising a cylindrical upper tank body and an inverted circular table-shaped lower tank body, the liquid discharge pipe being arranged at the bottom of the lower tank body, a liquid collecting groove arranged below the liquid discharge pipe and used for collecting oil liquid, a plurality of air inlet channels arranged in the tank body and used for guiding oil gas poured into the air inlet pipe, a condensing pipeline arranged in the tank body and used for condensing oil gas, the inlet and outlet of the condensing pipeline being fixed on the upper tank body, a filter element inserted into the liquid discharge pipe, the filter element comprising a filter support, a plurality of filter screens and dry screens arranged on the filter support, each filter screen and dry screen being arranged on the filter support in parallel and staggered and being fixed on the filter support by locking elements, a plurality of positioning assemblies arranged on the outer wall of the liquid discharge pipe along the axis of the liquid discharge pipe and used for fixing the filter element in the liquid discharge pipe, each positioning assembly comprising a lifting sliding groove arranged on the outer wall of the liquid discharge pipe in a sliding mode and arranged in parallel with the axis of the liquid discharge pipe, a lifting sliding block arranged in the lifting sliding groove in a sliding mode, a limiting sliding groove arranged at the bottom of the lifting sliding groove and arranged in parallel with the extending direction of the lifting sliding groove, a limiting sliding rod fixed on the lifting sliding block and arranged in the limiting sliding groove in a sliding mode, a compression spring sleeved on the limiting sliding rod, a connecting rod fixed on the lifting sliding block, a support plate rotatably connected to the connecting rod, and a positioning block fixed on the upper end surface of the support plate, the two ends of the compression spring being fixedly connected with the limiting sliding rod and the limiting sliding groove, the rotating axis of the support plate being arranged in parallel with the axis of the liquid discharge pipe, the filter support being provided with positioning holes matched with the positioning blocks, the positioning blocks on each support plate being rotated to below the corresponding positioning holes after the filter element is inserted into the liquid discharge pipe, each positioning block being inserted into the corresponding positioning hole through the sliding cooperation of the limiting sliding rod and the limiting sliding groove, the continuous force of the compression spring, and the sliding cooperation of the lifting sliding block and the lifting sliding groove, and the filter element being fixedly installed in the liquid discharge pipe through the insertion cooperation of each positioning block and the positioning hole.

[0006] Furthermore, the lower portion of the connecting rod is provided with a limiting rotating shaft integrally formed with the connecting rod and a limiting plate fixed below the limiting rotating shaft, the support plate is provided with a limiting rotating hole for allowing the limiting rotating shaft to rotate, the limiting rotating shaft is fixedly provided with a limiting rotating block, the limiting rotating hole is provided with a limiting rotating groove coaxially arranged with the limiting rotating hole and allowing the limiting rotating block to limit rotation, and the support plate is limitingly and rotatably connected with the connecting rod through the cooperation of the limiting rotating shaft and the limiting rotating hole and the cooperation of the limiting rotating block and the limiting rotating groove.

[0007] Furthermore, the aforementioned tank body is provided with a dividing plate, which divides the inner cavity of the tank body into an air intake chamber and a condensation chamber. The tank body is provided with an inclined guide plate, which is located below the dividing plate. The air intake chamber is connected to the air intake pipe, and the condensation chamber is connected to the air outlet pipe. The air intake chamber is provided with multiple staggered first guide plates and second guide plates. Each first guide plate is fixed to the inner wall of the upper tank body by a locking device, and each second guide plate is fixed to the dividing plate by a locking device. Each first guide plate and second guide plate is inclined downwards, and the staggered first guide plates and second guide plates form an air intake channel. The condensation pipe is located in the condensation chamber. Each first guide plate and second guide plate is provided with an activated carbon adsorption layer that can adsorb impurities in the oil and gas.

[0008] Furthermore, the aforementioned condensation chamber is provided with multiple parallel fins, each of which extends obliquely downwards towards the tank body.

[0009] Furthermore, a positioning ring block integrally formed with the end cap is fixedly provided at the bottom of the aforementioned end cap. The outer diameter of the positioning ring block is the same as the inner diameter of the upper tank body. A sealing ring is fitted on the positioning ring block and is disposed on the outer wall of the positioning ring block. After the positioning ring block is inserted into the upper tank body, the end cap forms a sealed connection with the upper tank body by pressing against the upper end of the upper tank body through the sealing ring.

[0010] Furthermore, the upper surface of the end cap is provided with a pull ring that allows the end cap to be removed.

[0011] Furthermore, a filter screen frame is installed inside the aforementioned liquid collection tank. The filter screen frame includes an annular frame with an inverted L-shaped cross-section and a filter screen part fixed on the annular frame. The filter screen frame is pressed against the upper end face of the liquid collection tank through the annular frame and filters the oil in the drain pipe through the filter screen part.

[0012] This utility model has positive effects: (1) This utility model sets a filter element in the drain pipe, and uses the filter screen and drying screen arranged in a relatively staggered manner in the filter element to filter and remove impurities from the oil. A positioning component is set on the drain pipe. Each positioning block is inserted into the corresponding positioning hole through the sliding cooperation of the limiting slide rod and the limiting slide groove, the continuous force of the compression spring, and the sliding cooperation of the lifting slider and the lifting slide groove. The filter element is fixedly installed in the drain pipe through the insertion cooperation of each positioning block and the positioning hole, which effectively ensures the stable installation of the filter element in the drain pipe. It also facilitates the quick disassembly of the filter element in the drain pipe, thereby facilitating the comprehensive filtration of the oil by the filter element. It effectively solves the problem of water and other impurities in the oil in the prior art, and ensures the purity of the oil after condensation. The structure is ingenious, convenient and practical.

[0013] (2) The utility model discloses a limiting rotation block is set up on the pivot, and the rotation of the supporting plate is limited through the cooperation of the limiting rotation block and the limiting rotation groove, which can ensure the quick connection of the positioning block and the positioning hole and the quick disconnection of the positioning block and the positioning hole, ensure the stable pressing of the supporting plate on the filter element, and ensure the quick replacement of the filter element.

[0014] (3) The utility model discloses setting up the split frame plate in the upper jar body, which divides the jar body into the air inlet cavity and the condensation cavity, the various first guide plates and the second guide plates in the air inlet cavity guide the oil gas and adsorb and remove the impurities in the oil gas through the formed air inlet channel and the activated carbon adsorption layer on the first guide plate and the second guide plate, which is efficient and convenient.

[0015] (4) The utility model discloses setting up multiple fin plates, which guide the condensed oil liquid, ensure the smooth introduction of the condensed oil liquid into the liquid discharge pipe, and are convenient and practical.

[0016] (5) The utility model discloses setting up the positioning sliding block on the end cover, which ensures the stability of the connection between the end cover and the jar body through the pressing of the positioning sliding block and the inner wall of the upper jar body, ensures the tightness and the sealing property of the connection between the end cover and the upper jar body through the sealing ring, and is efficient and convenient.

[0017] (6) The utility model discloses setting up the pull ring on the end cover, which is convenient for the operator to take and install the end cover and is convenient and practical.

[0018] (7) The utility model discloses setting up the filter screen frame into the cooperation of the ring-shaped frame body and the filter screen part, which can ensure the stability of the filter screen frame and the stability of the oil liquid filtration in the liquid collecting groove, and is convenient and practical. DRAWINGS

[0019] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments and in combination with the drawings, wherein

[0020] Figure 1 It is the whole structure schematic diagram of the oil gas filter condensing box in the utility model;

[0021] Figure 2 It is the sectional view of the whole structure of the oil gas filter condensing box in the utility model;

[0022] Figure 3 It is Figure 2 The enlarged view of A in the utility model;

[0023] Figure 4 It is Figure 2 The enlarged view of B in the utility model;

[0024] Figure 5 is a sectional view of the connecting structure of the connecting rod and the support plate in the utility model;

[0025] Figure 6 is a sectional view of the connecting structure of the support plate and the rotating shaft in the utility model;

[0026] Figure 7 is a sectional view of the overall structure of the filter in the utility model. DETAILED DESCRIPTION

[0027] See Figures 1 to 7The utility model discloses a rack 1 and the tank body 2 of fixed in rack 1 are provided with end cover 3 on the cover of tank body 2, be provided with with tank body 2 intercommunication's air inlet pipe 21 and air outlet pipe 22 on tank body 2, the bottom of tank body 2 is equipped with drainage pipe 23, tank body 2 includes the upper tank body of cylindrical and the lower tank body of inverted circular platform, drainage pipe 23 is arranged at the bottom of lower tank body, the lower portion of drainage pipe 23 is equipped with the liquid collecting tank 4 for collecting oil liquid, be equipped with a plurality of the air inlet channel that can guide the oil gas poured in air inlet pipe 21 in tank body 2 and the condensing pipeline 28 that can condense oil gas, the import and export of condensing pipeline 28 are all fixed on the upper tank body, filter piece 8 is inserted in drainage pipe 23, filter piece 8 includes filter support 81 and a plurality of filter screen 82 and drying screen 83 arranged on filter support 81, each filter screen 82 and drying screen 83 are parallel and staggered and are arranged on filter support 81 and are fixed on filter support 81 through locking piece, be equipped with a plurality of positioning assembly 9 along the axis circumference of drainage pipe 23 and can be fixedly installed in drainage pipe 23 on the outer wall of drainage pipe 23 on drainage pipe 23, positioning assembly 9 includes lifting slide groove 91 slidingly arranged on the outer wall of drainage pipe 23 and being arranged in parallel with the axis of drainage pipe 23, lifting slide block 92 slidingly arranged in lifting slide groove 91, limit slide groove 93 being arranged in the groove bottom of lifting slide groove 91 and being arranged in parallel with the extension direction of lifting slide groove 91, limit slide rod 94 being fixed on lifting slide block 92 and being slidingly arranged in limit slide groove 93, compression spring 95 being sleeved on limit slide rod 94, connecting rod 96 being fixed on lifting slide block 92, support plate 97 being rotatably connected on connecting rod 96, and positioning block 98 being fixed on the upper end surface of support plate 97, both ends of compression spring 95 are fixedly connected with limit slide rod 94 and limit slide groove 93 respectively, the rotation axis of support plate 97 is arranged in parallel with the axis of drainage pipe 23, filter support 81 is equipped with the positioning hole 84 that is adapted with positioning block 98, each positioning block 98 on support plate 97 is rotated to below corresponding positioning hole 84 after filter piece 8 is inserted in drainage pipe 23, each positioning block 98 is inserted in corresponding positioning hole 84 through the sliding fit of limit slide rod 94 and limit slide groove 93, the continuous force of compression spring 95 and the sliding fit of lifting slide block 92 and lifting slide groove 91, filter piece 8 is fixedly installed in drainage pipe 23 through the plug-in fit of each positioning block 98 and positioning hole 84.

[0028] The lower part of the connecting rod 96 is provided with a limiting rotating shaft 961 integrally formed with the connecting rod 96, and a limiting plate 962 fixed below the limiting rotating shaft 961, the supporting plate 97 is provided with a limiting rotating hole 971 for the limiting rotating shaft 961, the limiting rotating shaft 961 is fixedly provided with a limiting rotating block 963, the limiting rotating hole 971 is provided with a limiting rotating groove 972 coaxially arranged with the limiting rotating hole 971 and capable of limiting the rotation of the limiting rotating block 963, and the supporting plate 97 is in limiting rotating connection with the connecting rod 96 through the cooperation of the limiting rotating shaft 961 and the limiting rotating hole 971 and the cooperation of the limiting rotating block 963 and the limiting rotating groove 972.

[0029] The tank body 2 is provided with a split gate plate 24, which divides the inner cavity of the tank body 2 into an air inlet cavity 5 and a condensation cavity 6, and is provided with an inclined guide plate 27 inside the tank body 2, which is located below the split gate plate 24, the air inlet cavity 5 is in communication with the air inlet pipe 21, and the condensation cavity 6 is in communication with the air outlet pipe 22, the air inlet cavity 5 is provided with a plurality of first guide plates 24 and second guide plates 25 arranged alternately, each first guide plate 24 is fixed on the inner wall of the upper tank body by a locking member, and each second guide plate 25 is fixed on the split gate plate 24 by a locking member, each first guide plate 24 and second guide plate 25 is arranged obliquely downward, and the first guide plates 24 and second guide plates 25 arranged alternately form an air inlet channel, the condensation pipe 28 is arranged in the condensation cavity 6, and each first guide plate 24 and second guide plate 25 is provided with an activated carbon adsorption layer 26 capable of adsorbing impurities in oil gas.

[0030] The condensation cavity 6 is provided with a plurality of fin plates 29 arranged in parallel, and each fin plate 29 extends obliquely downward to the direction of the tank body.

[0031] The bottom of the end cover 3 is fixedly provided with a positioning ring block 32 integrally formed with the end cover 3, the outer diameter of the positioning ring block 32 is the same as the inner diameter of the upper tank body, and a sealing ring 33 is sleeved on the positioning ring block 32, the sealing ring 33 is arranged on the outer wall of the positioning ring block 32, and the upper end of the end cover 3 is pressed against the upper tank body to form a sealed connection after the positioning ring block 32 is inserted into the upper tank body.

[0032] The upper end surface of the end cover 3 is provided with a pull ring 31 for removing the end cover 3.

[0033] The collecting tank 4 is provided with a filter screen frame 7, which includes an annular frame body 71 with an inverted L-shaped cross section and a filter screen part 72 fixed on the annular frame body 71, and the filter screen frame 7 is pressed against the upper end surface of the collecting tank 4 through the annular frame body 71 and filters the oil in the drain pipe 23 through the filter screen part 72.

[0034] The working principle of this utility model is as follows: During use, the first guide plate 24 and the second guide plate 25, each equipped with an active adsorption layer, are fixed in the air inlet chamber 5 by locking components. After the positioning ring block 32 is inserted into the upper tank, the end cap 3 forms a sealed connection with the upper tank by pressing against the upper end of the upper tank through the sealing ring 33, and is fixed to the upper tank by locking components. Each positioning block 98 is inserted into the corresponding positioning hole 84 through the sliding cooperation of the limiting slide rod 94 and the limiting slide groove 93, the continuous force of the compression spring 95, and the sliding cooperation of the lifting slider 92 and the lifting slide groove 91. The filter element 8 is fixedly installed in the drain pipe 23 through the insertion cooperation of each positioning block 98 and the positioning hole 84. During use, oil and gas enter the air inlet chamber 5 through the air inlet pipe 21, and impurities are filtered through the first guide plate 24 and the second guide plate 25, and then the oil and gas pass through the condensation chamber. The condensing pipe 28 inside the 6 cools the oil and gas. After condensation, the oil is introduced into the drain pipe 23 through the fins 29 and guide plates 27. The oil in the drain pipe 23 is filtered and dried through the staggered filter screens 82 and drying screens 83, and the water or other impurities in the oil are filtered out. The oil then enters the collection tank 4 through the drain pipe 23. After being filtered again by the filter screen 72 in the collection tank 4, the oil enters the collection tank 4. After the oil and gas are filtered, the positioning blocks 98 are disengaged from the corresponding positioning holes 84 by the sliding cooperation of the limiting slide rod 94 and the limiting slide groove 93, the continuous force of the compression spring 95, and the sliding cooperation of the lifting slider 92 and the lifting slide groove 91, thereby removing the filter element 8. By quickly installing and removing the filter element 8, the condensed oil can be filtered comprehensively and efficiently. The structure is ingenious, efficient and convenient.

[0035] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A condensing tank for filtering oil and gas, comprising a frame, a tank body fixed on the frame, an end cover arranged on the tank body, an air inlet pipe and an air outlet pipe arranged on the tank body and communicated with the tank body, a liquid discharge pipe arranged at the bottom of the tank body, the tank body comprising an upper tank body in a cylindrical shape and a lower tank body in an inverted circular table shape, the liquid discharge pipe being arranged at the bottom of the lower tank body, and a liquid collecting groove arranged below the liquid discharge pipe and used for collecting oil liquid; characterized in that: The tank body is provided with a plurality of air inlet channels capable of guiding the oil gas poured into the air inlet pipe and a condensing pipeline capable of condensing the oil gas, the inlet and outlet of the condensing pipeline are fixed on the upper tank body, the drainage pipe is inserted with a filter element, the filter element comprises a filter support and a plurality of filter screens and drying screens arranged on the filter support, each filter screen and drying screen is arranged in parallel and staggered on the filter support and is fixed on the filter support through a locking element, the drainage pipe is provided with a plurality of positioning assemblies circumferentially distributed on the outer wall of the drainage pipe along the axis of the drainage pipe and capable of fixing and installing the filter element in the drainage pipe, the positioning assembly comprises a lifting sliding groove slidingly arranged on the outer wall of the drainage pipe and arranged in parallel with the axis of the drainage pipe, a lifting sliding block slidingly arranged in the lifting sliding groove, a limiting sliding groove arranged on the groove bottom of the lifting sliding groove and arranged in parallel with the extension direction of the lifting sliding groove, a limiting sliding rod fixed on the lifting sliding block and slidingly arranged in the limiting sliding groove, a compression spring sleeved on the limiting sliding rod, a connecting rod fixed on the lifting sliding block, a support plate rotationally connected to the connecting rod, and a positioning block fixed on the upper end surface of the support plate, the two ends of the compression spring are fixedly connected with the limiting sliding rod and the limiting sliding groove respectively, the rotation axis of the support plate is arranged in parallel with the axis of the drainage pipe, the filter support is provided with a positioning hole matched with the positioning block, the positioning block on each support plate is rotated to below the corresponding positioning hole after the filter element is inserted into the drainage pipe, each positioning block is inserted into the corresponding positioning hole through the sliding cooperation of the limiting sliding rod and the limiting sliding groove, the continuous force of the compression spring, and the sliding cooperation of the lifting sliding block and the lifting sliding groove, and the filter element is fixedly installed in the drainage pipe through the insertion cooperation of each positioning block and the positioning hole.

2. The condensing unit for oil and gas filtration of claim 1, wherein: The lower part of the connecting rod is provided with a limiting rotation shaft integrally formed with the connecting rod and a limiting plate fixed below the limiting rotation shaft, the support plate is provided with a limiting rotation hole for the rotation of the limiting rotation shaft, the limiting rotation shaft is fixedly provided with a limiting rotation block, the limiting rotation hole is provided with a limiting rotation groove coaxially arranged with the limiting rotation hole and capable of limiting the rotation of the limiting rotation block, and the support plate is rotationally connected with the connecting rod through the cooperation of the limiting rotation shaft and the limiting rotation hole and the cooperation of the limiting rotation block and the limiting rotation groove.

3. The condensing unit for oil and gas filtration of claim 2, wherein: The tank body is provided with a split plate, the split plate divides the inner cavity of the tank body into an air inlet cavity and a condensing cavity, the tank body is provided with an inclined guide plate below the split plate, the air inlet cavity is communicated with the air inlet pipe, the condensing cavity is communicated with the air outlet pipe, the air inlet cavity is provided with a plurality of first guide plates and second guide plates arranged in a staggered manner, each first guide plate is fixed on the inner wall of the upper tank body through a locking element, each second guide plate is fixed on the split plate through a locking element, each first guide plate and second guide plate is arranged obliquely downward, and the first guide plates and second guide plates arranged in a staggered manner form an air inlet channel, the condensing pipeline is arranged in the condensing cavity, and each first guide plate and second guide plate is provided with an activated carbon adsorption layer capable of adsorbing impurities in the oil gas.

4. The condensing unit for oil and gas filtration of claim 3, wherein: The condensing cavity is provided with a plurality of fin plates arranged in parallel, and each fin plate extends in the direction of the tank body obliquely downward.

5. The condensing unit for oil and gas filtration of claim 4, wherein: The bottom of the end cover is fixedly provided with a positioning ring block integrally formed with the end cover, the outer diameter of the positioning ring block is same with the inner diameter of the upper tank body, a sealing ring is sleeved on the positioning ring block, the sealing ring is arranged on the outer wall of the positioning ring block, and the end cover is in sealing connection with the upper end of the upper tank body through the sealing ring after the positioning ring block is inserted into the upper tank body.

6. The condensing unit for oil and gas filtration of claim 5, wherein: A pull ring for taking out the end cover is arranged on the upper end surface of the end cover.

7. The condensing unit for oil and gas filtration of claim 6, wherein: A filter screen frame is arranged in the collecting tank, the filter screen frame comprises an annular frame body with an inverted L-shaped cross section and a filter screen part fixed on the annular frame body, the filter screen frame is pressed against the upper end surface of the collecting tank through the annular frame body, and the filter screen part filters the oil in the oil discharge pipe.

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