CN109200731B - Filter capable of synchronously conveying gas and liquid - Google Patents
Filter capable of synchronously conveying gas and liquid Download PDFInfo
- Publication number
- CN109200731B CN109200731B CN201811375086.0A CN201811375086A CN109200731B CN 109200731 B CN109200731 B CN 109200731B CN 201811375086 A CN201811375086 A CN 201811375086A CN 109200731 B CN109200731 B CN 109200731B
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- pipe
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- filter screen
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- 239000007788 liquid Substances 0.000 title claims abstract description 156
- 239000012530 fluid Substances 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000012071 phase Substances 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 239000007789 gas Substances 0.000 description 43
- 239000012535 impurity Substances 0.000 description 13
- 239000010779 crude oil Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a filter capable of synchronously conveying gas and liquid, which comprises a shell and a filter screen arranged in the shell, wherein the filter screen divides an inner cavity of the shell into a first cavity before filtration and a second cavity after filtration; the adjusting pipe can be connected to the fluid outlet of the shell in a rotating mode by taking the axial lead of the adjusting pipe as a rotating shaft and drives the air pipe to rotate, so that the air inlet is communicated with the gas phase area in the second cavity, and the liquid pipe is driven to rotate, so that the liquid inlet is communicated with the liquid phase area in the second cavity. The filter not only can filter gas-liquid fluid, but also can adjust the suction position of gas-liquid through the adjusting pipe, so as to overcome the conveying obstacle generated by different gas-liquid specific weights or gas-liquid positions in the conveying process of the gas-liquid mixed conveying pump, and meet different gas-liquid working conditions in the gas-liquid conveying process.
Description
Technical Field
The invention relates to the technical field of fluid conveying, in particular to a filter capable of synchronously conveying gas and liquid.
Background
When the fluid is conveyed, solid impurities inevitably exist, particularly when oil is conveyed on an oilfield site, the oil can be provided with a certain amount of solids and impurities, the oil must be filtered through a filtering device before entering a pump cavity, otherwise, moving parts in the pump cavity are blocked, so that the pump cannot normally suck, and the filtering device for filtering crude oil fluid is shown in a crude oil filtering device for petroleum exploitation, disclosed in Chinese patent application No. CN201610642606.4, and a crude oil external conveying pipeline filtering device, disclosed in Chinese patent application No. CN 201310469369.2.
On the other hand, in the fluid conveying process in the industrial field, a gas-liquid mixing and conveying pump is often adopted to convey gas-liquid mixed fluid, such as the conveying process of crude oil and natural gas, liquid CO2 and CO2 gas, water and compressed air, nitrogen and water, shale gas and water and other mixed fluid, especially in the oil extraction production process, the produced crude oil often contains rich natural gas, namely, the medium to be conveyed in the oil extraction is not only liquid-phase medium-crude oil, but also gas-phase medium-natural gas; in the crude oil and natural gas transportation process of an oil field, a separator and a storage tank are generally arranged on site, and gas-liquid mixing transportation is performed through a rotary centrifugal vortex pump, a screw pump, a rotor pump or a reciprocating plunger (piston). However, in the actual gas-liquid mixing and conveying process, different conveying barriers can be generated due to different conditions such as gas-liquid ratio, compression ratio, output pressure gas-liquid position and the like, so that the mixing and conveying pump cannot overcome and completely meet the requirements of gas-liquid working conditions for operation and conveying.
Disclosure of Invention
The invention aims to solve the technical problem of providing a filter which is not influenced by the specific gravity of gas and liquid or the gas and liquid level and can synchronously convey gas and liquid.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a can synchronous transport gas-liquid filter, includes the casing that has fluid inlet and fluid outlet and locates filter screen in the casing, the filter screen will the inner chamber of casing is divided into the first cavity before filtering and the second cavity after filtering, the fluid outlet department on the casing is connected with the governing pipe, the tip of governing pipe can stretch into in the second cavity to be equipped with trachea and liquid pipe at this tip, the extension direction of trachea and the extension direction of liquid pipe deviate from each other, the end of trachea has the air inlet, the end of liquid pipe has the inlet; the adjusting pipe can be connected to the fluid outlet of the shell in a rotating mode by taking the axial lead of the adjusting pipe as a rotating shaft, and drives the air pipe to deflect so that the air inlet is communicated with the gas phase area in the second cavity, and drives the liquid pipe to deflect so that the liquid inlet is communicated with the liquid phase area in the second cavity.
As an improvement, a rotating seat is connected to the fluid outlet of the shell, a through hole communicated with the second cavity is formed in the rotating seat, and the adjusting pipe is arranged in the through hole of the rotating seat in a penetrating way; a concave cavity with a concave curved surface is formed on the inner wall surface of the rotating seat, a spherical part with a spherical surface is formed on the outer wall surface of the adjusting pipe at a position corresponding to the concave cavity, and the spherical part of the adjusting pipe is in rotating fit in the concave cavity of the rotating seat; the outlet of the adjusting pipe is connected with a gas-liquid co-delivery pipeline, and a sealing piece capable of being in sealing contact with the concave curved surface of the rotating seat is sleeved on the spherical surface of the adjusting pipe from the spherical part to the gas-liquid co-delivery pipeline. The adjusting tube and the rotating seat are in running fit through the ball body, so that the adjusting tube can rotate around the axial lead of the adjusting tube, the adjusting tube can swing up and down by taking the rotating seat as a fulcrum, the moving range of the air inlet and the liquid inlet of the adjusting tube in the second cavity is enlarged, and further the position adjustment of the gas-liquid suction of each branch pipe of the adjusting tube is more flexible, and the different working condition demands in the gas-liquid conveying process are met. In addition, the sealing piece is arranged, so that gas or liquid in the shell is prevented from leaking from the contact position of the adjusting pipe and the rotating seat in the rotating adjusting process of the adjusting pipe.
As an improvement, the rotating seat comprises a rotating seat base body connected to the shell and a first cover body covered on the rotating seat base body; the first cover body is matched with the rotating base body to clamp the sphere part of the adjusting tube. By means of the structure, the adjusting pipe is conveniently assembled to the rotating seat, and the assembly efficiency of the filter is improved.
As an improvement, the filter screen is a filter screen body with an inner cavity, the area between the filter screen body and the shell forms the first cavity, and the inner cavity of the filter screen body forms the second cavity. The adoption has the filter screen body of inner chamber to filter gas-liquid fluid, can effectively increase filtration area, and the filter screen is difficult to take place to block up to the trachea and the liquid pipe of adjusting pipe can conveniently be located in the inner chamber of filter screen body and rotate the regulation, and this kind of structure has set up the inner chamber space that has effectively utilized the casing, makes the volume of whole filter effectively reduce, has reduced area.
As an improvement, the filter screen body is provided with an opening for the adjusting pipe to pass through at the position facing the rotating seat, and the periphery of the opening is connected with a positioning ring which can form limit fit with the end surface of the rotating seat in the axial direction of the adjusting pipe. The setting of holding ring can be through rotating the seat and effectively fix the filter screen body, avoids the filter screen body to take place to rock or shift, influences the filtration efficiency of filter.
In order to further fix the filter screen body, at least one supporting plate for supporting the filter screen body is arranged at the bottom of the shell, at least one positioning baffle plate is arranged at the bottom of the filter screen body, and each positioning baffle plate is positioned on each supporting plate.
As an improvement, the shell comprises a shell body and a second cover body covered on the shell body, and the second cover body is detachably connected with a plug cap; the upper end of the filter screen body is provided with a flushing hole at a position corresponding to the plug cap, a positioning cover shaft is connected to the flushing hole, and a positioning blind hole for inserting the top end of the positioning cover shaft is formed in the bottom end of the plug cap. The structure is arranged, the filter screen body can be pressed and fixed at the upper end of the shell, and the support plate of the shell is matched with the support plate of the filter screen body at the lower end, so that the stability of the filter screen body is greatly improved, and the filter screen body can be firmly positioned in the shell of the filter. In addition, after the pump is stopped, the pressure is relieved by cleaning, the cock cap is opened, and the cock cap is inserted into the cleaning pipeline to back flush the inner cavity of the filter screen body.
As an improvement, the bottom of the shell is connected with a drain manifold communicated with the first cavity, and two valves arranged at intervals are arranged on the drain manifold. The drain manifold can remove impurities after backwashing, an online drain method can be adopted, when the filter screen body is blocked, a valve at the downstream of the drain manifold is closed, an upstream ball valve is opened to allow the impurities to enter a drain pipeline, then the upstream ball valve is closed, and then a downstream ball valve at the tail end is opened to treat the impurities, so that the process can be repeated for several times until the pressure is balanced.
As an improvement, the fluid inlet of the shell is connected with a gas-liquid manifold, a liquid inlet pipeline and an air inlet pipeline are arranged at the upstream of the gas-liquid manifold, and the air inlet pipeline is sequentially provided with a one-way valve and a filter plate along the flowing direction of gas. The check valve on the air inlet pipe line is used for preventing liquid phase fluid from flowing back into the air inlet pipe line, and the filter plate is arranged at the front end of the check valve, so that impurities in the liquid phase fluid can be prevented from entering the check valve, and the check valve is damaged.
Compared with the prior art, the invention has the advantages that: the filter capable of synchronously conveying gas and liquid not only can filter gas and liquid fluid, but also is provided with the regulating pipe capable of rotating and regulating around the axis line, wherein the end part of the regulating pipe stretches into the second cavity and sucks clean gas and liquid respectively through the gas pipe and the liquid pipe arranged at the end part, the height positions of the gas inlet of the gas pipe and the liquid inlet of the liquid pipe can be regulated by rotating the regulating pipe, namely the gas-liquid suction position is regulated, and further, conveying obstruction generated by different gas-liquid specific weights or gas-liquid positions in the conveying process of the gas-liquid mixed conveying pump is overcome, different gas-liquid working conditions in the gas-liquid conveying process are met, and the gas-liquid simultaneous conveying process is more stable.
Drawings
FIG. 1 is a schematic diagram showing the internal structure of a filter capable of synchronously conveying gas and liquid according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of a housing of a filter capable of synchronously conveying gas and liquid according to an embodiment of the present invention;
FIG. 3 is a side view of a housing of a filter that can simultaneously deliver gas and liquid in an embodiment of the invention;
FIG. 4 is a schematic diagram showing the internal structure of a filter screen of a filter capable of synchronously conveying gas and liquid according to an embodiment of the present invention;
FIG. 5 is a side view of a filter screen of a filter that can simultaneously deliver gas and liquid in an embodiment of the invention;
fig. 6 is a schematic structural view of a regulating pipe of a filter capable of synchronously conveying gas and liquid in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, a filter for synchronously delivering gas and liquid includes a housing 10, a filter screen 20, a regulating tube 40 and a rotary seat 50 for fixing the regulating tube 40, wherein the housing 10 has a fluid inlet 11 and a fluid outlet 12, wherein a gas-liquid mixed fluid can enter into an inner cavity of the housing 10 from the fluid inlet 11 and then be discharged from the fluid outlet 12, the filter screen 20 is disposed in the inner cavity of the housing 10 for filtering the gas-liquid mixed fluid entering into the inner cavity of the housing 10, in particular, the filter screen 20 divides the inner cavity of the housing 10 into a first chamber 31 before filtering and a second chamber 32 after filtering, wherein the regulating tube 40 has an inner flow path for delivering the gas-liquid mixed fluid, the regulating tube 40 is connected to the fluid outlet 12 of the housing 10, and one end of the regulating tube 40 can extend into the second chamber 32, the end is provided with an air pipe 41 and a liquid pipe 42, the extending direction of the air pipe 41 is away from the extending direction of the liquid pipe 42, the tail end of the air pipe 41 is provided with an air inlet 410, the tail end of the liquid pipe 42 is provided with a liquid inlet 420, in this embodiment, the axis of the air pipe 41 and the axis of the liquid pipe 42 are positioned on the same straight line, the straight line directions of the two branch pipes are mutually perpendicular to the axis of the regulating pipe 40, of course, the extending direction of the air pipe 41 and the extending direction of the liquid pipe 42 can also be arranged in an angle, as long as the extending directions of the two branch pipes are mutually away, and more specifically, as shown in fig. 6, the regulating pipe 40 is provided with two interfaces at the end part positioned in the second chamber 32, the air pipe 41 and the liquid pipe 42 are respectively connected at the two interfaces in a threaded manner, wherein the lengths of the air pipe 41 and the liquid pipe 42 can be selected according to the gas and liquid volumes in the gas-liquid conveying process; the adjusting tube 40 can be rotatably connected to the fluid outlet 12 of the housing 10 by taking the axis of the adjusting tube 40 as a rotation axis, and drives the air tube 41 to deflect, so that the air inlet 410 is communicated with the gas phase region in the second chamber 32, and drives the liquid tube 42 to deflect, so that the liquid inlet 420 is communicated with the liquid phase region in the second chamber 32. That is, the rotation of the adjusting tube 40 in this embodiment can adjust the height of the air inlet 410 of the air tube 41 and the liquid inlet 420 of the liquid tube 42, that is, adjust the suction position of the air and the liquid, so as to overcome the conveying obstruction generated by different air-liquid specific weights or air-liquid positions in the conveying process of the air-liquid mixing and conveying pump, and satisfy different air-liquid working conditions in the air-liquid conveying process, so that the air-liquid simultaneous conveying process is more stable.
In order to realize flexible rotation of the adjusting tube 40 on the housing 10, a rotating seat 50 is connected to the fluid outlet 12 of the housing 10, a through hole 500 for communicating with the second chamber 32 is formed in the rotating seat 50, and the adjusting tube 40 is connected in the through hole 500 of the rotating seat 50 in a penetrating manner; a concave cavity 501 with a concave curved surface is formed on the inner wall surface of the rotating seat 50, a spherical body part 43 with a spherical surface is formed on the outer wall surface of the adjusting tube 40 at a position corresponding to the concave cavity 501, and the spherical body part 43 of the adjusting tube 40 is in rotating fit in the concave cavity 501 of the rotating seat 50, as shown in fig. 1 and 2 in detail. In this embodiment, the concave curved surface of the concave cavity 501 of the rotating seat 50 may be an annular partial spherical surface, and the partial spherical surface is adapted to the middle part of the spherical part 43 of the adjusting tube 40, so that the adjusting tube 40 and the rotating seat 50 are in rotating fit through the spherical part 43, not only can the adjusting tube 40 rotate around the axis thereof, but also the adjusting tube 40 can swing up and down with the rotating seat 50 as a fulcrum, so that the movable range of the air inlet 410 and the liquid inlet 420 of the adjusting tube 40 in the second chamber 32 is enlarged, and further the position adjustment of the gas-liquid suction of each branch pipe of the adjusting tube 40 is more flexible, and different working condition demands in the gas-liquid simultaneous conveying process are satisfied.
In order to conveniently assemble the adjusting tube 40 onto the rotating seat 50, the rotating seat 50 comprises a rotating seat base body 51 connected to the shell 10 and a first cover body 52 covered on the rotating seat base body 51, the spherical part 43 of the adjusting tube 40 can be clamped by the cooperation of the first cover body 52 and the rotating seat base body 51, wherein a gas-liquid common-conveying pipeline 80 is connected to the outlet of the adjusting tube 40, a sealing piece 33 capable of being in sealing contact with an inner concave curved surface of the rotating seat 50 is sleeved on the spherical surface of the adjusting tube 40 from the spherical part 43 to the gas-liquid common-conveying pipeline 80, specifically, a groove for placing the sealing piece 33 can be formed on the inner concave curved surface of the rotating seat base body 51, and the arrangement of the sealing piece 33 prevents the gas or liquid in the shell 10 from leaking from the contact position of the adjusting tube 40 and the rotating seat 50 in the rotating adjusting adjustment process, as shown in fig. 1; specifically, the rotating seat base 51 may be welded at the fluid outlet 12 of the housing 10, and the first cover 52 may be fixed on the rotating seat base 51 by bolts to form an integral piece, where when the adjusting tube 40 and the sealing element 33 need to be assembled, the first cover 52 is detached, the sealing element 33 is placed in a groove on the concave curved surface of the rotating seat base 51, then the adjusting tube 40 is threaded on the rotating seat base 51, so that the ball portion 43 of the adjusting tube 40 cooperates with the concave cavity 501 of the rotating seat 50, and finally the first cover 52 is fastened on the rotating seat base 51 to complete the rotation of the adjusting tube 40. The spherical portion 43 of the adjusting tube 40 can rotate in the up-down, left-right direction in the spherical concave cavity 501 of the rotating seat 50, thereby realizing flexible adjustment of the gas-liquid suction position of each branch tube of the adjusting tube 40.
Referring to fig. 1 and 5, the filter screen 20 is a filter screen body with an inner cavity, the filter screen body can be made of a thin plate, specifically, the diameter of the mesh can be selected according to the impurity condition in the gas-liquid fluid, in this embodiment, the diameter of the mesh is 2mm, so as to realize preliminary filtration of the gas-liquid fluid and prevent impurities from entering the inner cavity of the mixing pump; the area between the filter screen body and the shell 10 forms a first chamber 31, the inner cavity of the filter screen body forms a second chamber 32, specifically, the shell 10 can be of an ellipsoid-like structure or a square structure, and correspondingly, the filter screen body can also adopt an ellipsoid-like structure corresponding to the shell 10, wherein the size of the inner cavity of the filter screen body is matched with the lengths of the air pipe 41 and the liquid pipe 42 at the end part of the adjusting pipe 40, so that the air pipe 41 and the liquid pipe 42 can flexibly rotate in the inner cavity of the filter screen body. In this embodiment, the filter screen body with an inner cavity is used for filtering the gas-liquid fluid, so that the filtering area can be effectively increased, the filter screen 20 is not easy to be blocked, and the air pipe 41 and the liquid pipe 42 of the adjusting pipe 40 can be conveniently arranged in the inner cavity of the filter screen body for rotation adjustment, so that the inner cavity space of the shell 10 is effectively utilized, the volume of the whole filter can be effectively reduced, and the occupied area is reduced.
In order to stably position the filter screen body in the housing 10, at least one supporting plate 13 for supporting the filter screen body is provided at the bottom of the housing 10, at least one positioning baffle 22 is provided at the bottom of the filter screen body, each positioning baffle 22 is positioned on each supporting plate 13, specifically, in this embodiment, the number of the supporting plates 13 is two, and correspondingly, the number of the positioning supporting plates 13 is also two; in addition, the casing 10 includes the second lid 15 that the casing 14 and lid are closed on, through flange joint, set up the seal groove that can settle O type sealing washer on the plane of flange wherein, be used for the plane seal, be connected with cock cap 35 on the second lid 15 detachably, concretely, have two protruding round platforms 17 on the second lid 15, screw hole that communicates to the inboard of second lid 15 on the round platform 17, rotatory cap is two, threaded connection respectively in the screw hole of two round platforms 17, correspondingly, the upper end of filter screen body is equipped with the wash hole 23 in the position that corresponds with cock cap 35, connect to have location lid axle 36 on the wash hole 23, specifically, location lid axle 36 passes through the flange to be fixed in the wash hole 23 position of filter screen body, the location blind hole 360 that the top of cock cap 35 was inserted is offered in the bottom of location lid axle 36, in this embodiment, compress tightly fixedly through the filter screen body of the upper end of casing 10 to the lid cap 35, support the filter screen body that is supported mutually in the lower extreme when the filter screen body is carried to the lower extreme, can not take place the filter screen body and the filter screen can be firmly in the filter screen when the filter screen can take place, the position can not take place firm place in the filter screen greatly. In addition, the flushing hole 23 can be arranged, after the pump is stopped and the pressure is released, the plug cap 35 can be opened to be inserted into the cleaning pipeline to back flush the inner cavity of the filter screen body. Furthermore, in this embodiment, the filter screen body is provided with an opening 21 for the passage of the adjusting tube 40 at a position facing the rotating seat 50, the periphery of the opening 21 is connected with a positioning ring 34 capable of forming a limit fit with the end surface of the rotating seat 50 in the axial direction of the adjusting tube 40, specifically, the positioning ring 34 is welded on the filter screen body, in this embodiment, the inner wall surface of the positioning ring 34 is an inner conical surface 341, and correspondingly, the end surface of the rotating seat 50 which is matched with the inner conical surface 341 of the positioning ring 34 is an outer conical surface 511, so that the rotating seat 50 can effectively fix the filter screen body in the axial direction of the adjusting tube 40 through the limit fit of the inner conical surface and the outer conical surface, thereby avoiding the shaking or shifting of the filter screen body and affecting the filtering efficiency of the filter.
Referring to fig. 1, a drain manifold 60 communicating with the first chamber 31 is connected to the bottom of the housing 10, two valves 61a,61b are provided on the drain manifold 60, specifically, the drain manifold 60 is disposed in an intermediate position of a bottom plane of the housing body 14, the housing body 14 is assembled and welded with a short drain joint 16 with a flange, the short drain joint 16 is fixed to the drain manifold 60 by bolts, and in this embodiment, the drain manifold 60 can perform on-line drain or flushing drain; specifically, when the pressure of the gas-liquid manifold 70 drops during the operation of the mixing pump, the filter is blocked, at this time, the downstream valve 61b of the drain manifold 60 may be closed, the upstream valve 61a is opened to allow impurities to enter the drain manifold 60, then the upstream valve 61a is closed, and then the downstream valve 61b at the end is opened to dispose of the impurities, which may be repeated several times until the pressure is balanced; or after the pump is stopped and the pressure is relieved, the plug cap 35 is opened to be inserted into the cleaning pipeline to back flush the inner cavity of the filter screen body, and then the valves 61a and 61b are opened to discharge impurities until the filter screen body is clean.
With continued reference to fig. 1, a gas-liquid manifold 70 is connected to the housing 10 at the fluid inlet 11, and a liquid inlet line 71 and a gas inlet line 72 are provided upstream of the gas-liquid manifold 70, the gas inlet line 72 being provided with a check valve 73 and a filter plate 74 in this order along the gas flow direction. Specifically, in this embodiment, the gas-liquid manifold 70 is assembled and welded at a lower portion of a side surface of the shell body 14, the end surface of the gas-liquid manifold 70 is provided with a flange to be connected with the liquid inlet pipeline 71, the gas inlet pipeline 72 is connected to the liquid inlet pipeline 71, wherein an included angle between the liquid inlet pipeline 71 and the gas-liquid manifold 70 is 180 °, an included angle between the gas inlet pipeline 72 and the liquid inlet pipeline 71 is 45 °, specifically, the one-way valve 73 on the gas inlet pipeline 72 is used for preventing liquid phase fluid from flowing back into the gas inlet pipeline 72, and the filter plate 74 is arranged at the front end of the one-way valve 73, so that impurities in the liquid phase fluid can be prevented from entering the one-way valve 73, and damage to the one-way valve 73 is caused. In this embodiment, when the liquid inlet line 71 enters the gas-liquid manifold 70 according to the liquid amount and the inlet pressure requirement, the gas inlet line 72 simultaneously opens the one-way valve 73 to enable the gas to enter the gas-liquid manifold 70 together with the liquid, and then enter the inner cavity of the shell 10 of the filter, wherein when the gas-liquid mixed fluid passes through the filter screen 20 in the shell 10, the impurities in the mixed fluid are blocked and fall to the bottom of the shell 10, so that the gas-liquid mixed fluid enters the filter screen through the holes of the filter screen 20 to form a clean fluid medium, wherein the gas moves upwards due to the different gas-liquid specific weight, the liquid stays in the upper part of the filter, the gas phase region is generally in the upper part of the filter, the liquid phase region is in the lower part of the filter, and at this time, the adjusting tube 40 can rotate and swing up and down on the rotating seat 50 by 360 degrees through the sphere part 43 to adjust the optimal position of gas-liquid suction, and finally the gas-liquid mixed fluid enters the inlet of the gas-liquid mixed pump through the gas-liquid common conveying line 80.
The filter capable of synchronously conveying gas and liquid in the embodiment not only can filter gas and liquid fluid, but also is provided with the regulating pipe 40 which can be rotationally regulated around the axis line thereof on the shell 10 of the filter, wherein the end part of the regulating pipe 40 stretches into the second chamber 32 and respectively sucks clean gas and liquid through the gas pipe 41 and the liquid pipe 42 arranged at the end part, wherein the rotation of the regulating pipe 40 can regulate the height positions of the gas inlet 410 of the gas pipe 41 and the liquid inlet 420 of the liquid pipe 42, namely, the gas-liquid suction position is regulated, and further, the conveying obstruction generated by different gas-liquid ratio weights or gas-liquid positions in the conveying process of the gas-liquid mixed conveying pump is overcome, different gas-liquid working conditions in the gas-liquid conveying process are met, and the gas-liquid simultaneous conveying process is more stable.
Claims (9)
1. The utility model provides a filter that can synchronous transport gas-liquid, includes casing (10) that have fluid inlet (11) and fluid outlet (12) and locates filter screen (20) in casing (10), filter screen (20) will the inner chamber of casing (10) is divided into first cavity (31) before filtering and second cavity (32) after filtering, its characterized in that: a regulating pipe (40) is connected to the fluid outlet (12) on the shell (10), one end part of the regulating pipe (40) can extend into the second chamber (32), an air pipe (41) and a liquid pipe (42) are arranged at the end part, the extending direction of the air pipe (41) and the extending direction of the liquid pipe (42) deviate from each other, an air inlet (410) is formed at the tail end of the air pipe (41), and a liquid inlet (420) is formed at the tail end of the liquid pipe (42);
the adjusting pipe (40) can rotate around the axial lead of the adjusting pipe (40) to be connected to the fluid outlet (12) of the shell (10) and drive the air pipe (41) to deflect, so that the air inlet (410) is communicated with a gas phase region in the second chamber (32), and the liquid pipe (42) is driven to deflect, so that the liquid inlet (420) is communicated with a liquid phase region in the second chamber (32).
2. The filter capable of synchronously conveying gas and liquid according to claim 1, wherein: a rotating seat (50) is connected to the fluid outlet (12) of the shell (10), a through hole (500) communicated with the second chamber (32) is formed in the rotating seat (50), and the adjusting pipe (40) is connected in the through hole (500) of the rotating seat (50) in a penetrating mode;
a concave cavity (501) with a concave curved surface is formed on the inner wall surface of the rotating seat (50), a spherical body part (43) with a spherical surface is formed on the outer wall surface of the adjusting pipe (40) at a position corresponding to the concave cavity (501), and the spherical body part (43) of the adjusting pipe (40) is in rotating fit in the concave cavity (501) of the rotating seat (50);
the outlet of the adjusting pipe (40) is connected with a gas-liquid co-delivery pipeline (80), and a sealing piece (33) capable of being in sealing contact with the concave curved surface of the rotating seat (50) is sleeved on the spherical surface of the adjusting pipe (40) from the spherical body part (43) to the gas-liquid co-delivery pipeline (80).
3. The filter capable of synchronously conveying gas and liquid according to claim 2, wherein: the rotary seat (50) comprises a rotary seat base body (51) connected to the shell (10) and a first cover body (52) covered on the rotary seat base body (51);
the first cover body (52) is matched with the rotating base body to clamp the sphere part (43) of the adjusting tube (40).
4. A filter for synchronously delivering gas and liquid according to claim 2 or 3, wherein: the filter screen (20) is a filter screen body with an inner cavity, the area between the filter screen body and the shell (10) forms the first chamber (31), and the inner cavity of the filter screen body forms the second chamber (32).
5. The filter for synchronously transporting gas and liquid according to claim 4, wherein: the filter screen body is provided with an opening (21) for the adjusting pipe (40) to pass through at the position facing the rotating seat (50), and the periphery of the opening (21) is connected with a positioning ring (34) which can form limit fit with the end surface of the rotating seat (50) in the axial direction of the adjusting pipe (40).
6. The filter for synchronously transporting gas and liquid according to claim 5, wherein: the bottom of the shell (10) is provided with at least one supporting plate (13) for supporting the filter screen body, the bottom of the filter screen body is provided with at least one positioning baffle plate (22), and each positioning baffle plate (22) is positioned on each supporting plate (13).
7. The filter for synchronously transporting gas and liquid according to claim 6, wherein: the shell (10) comprises a shell body (14) and a second cover body (15) covered on the shell body (14), and a plug cap (35) is detachably connected to the second cover body (15);
the upper end of the filter screen body is provided with a flushing hole (23) at a position corresponding to the plug cap (35), the flushing hole (23) is connected with a positioning cover shaft (36), and the bottom end of the plug cap (35) is provided with a positioning blind hole (360) for inserting the top end of the positioning cover shaft (36).
8. The filter for synchronously transporting gas and liquid according to claim 7, wherein: the bottom of the shell (10) is connected with a drain manifold (60) communicated with the first cavity (31), and two valves (61 a,61 b) arranged at intervals are arranged on the drain manifold (60).
9. A filter for synchronously transporting gas and liquid according to any one of claims 1-3, wherein: the gas-liquid pipeline filter is characterized in that a gas-liquid manifold (70) is connected to a fluid inlet (11) of the shell (10), a liquid inlet pipeline (71) and a gas inlet pipeline (72) are arranged at the upstream of the gas-liquid manifold (70), and the gas inlet pipeline (72) is sequentially provided with a one-way valve (73) and a filter plate (74) along the flowing direction of gas.
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| CN109200731B true CN109200731B (en) | 2023-11-03 |
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| CN111249790B (en) * | 2020-02-28 | 2021-05-07 | 北京科技大学 | Air-water shared filtering device for underground dry fog dust suppression equipment |
| CN113309632B (en) * | 2021-07-27 | 2021-11-02 | 北京星际荣耀空间科技股份有限公司 | Binary adjustable spray pipe adopting spherical seal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537321A (en) * | 2009-04-16 | 2009-09-23 | 中国石油大学(北京) | Vertical-type gas-liquid two-phase fluid mixing flow stabilizer |
| CN108266367A (en) * | 2016-12-30 | 2018-07-10 | 亚申科技研发中心（上海）有限公司 | Fluid delivery system |
| CN209123605U (en) * | 2018-11-19 | 2019-07-19 | 宁波合力机泵股份有限公司 | It is a kind of can synchronous transport gas-liquid filter |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537321A (en) * | 2009-04-16 | 2009-09-23 | 中国石油大学(北京) | Vertical-type gas-liquid two-phase fluid mixing flow stabilizer |
| CN108266367A (en) * | 2016-12-30 | 2018-07-10 | 亚申科技研发中心（上海）有限公司 | Fluid delivery system |
| CN209123605U (en) * | 2018-11-19 | 2019-07-19 | 宁波合力机泵股份有限公司 | It is a kind of can synchronous transport gas-liquid filter |
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