CN211115958U - Special sand filtering backflow device for coal bed gas well - Google Patents
Special sand filtering backflow device for coal bed gas well Download PDFInfo
- Publication number
- CN211115958U CN211115958U CN201922225337.3U CN201922225337U CN211115958U CN 211115958 U CN211115958 U CN 211115958U CN 201922225337 U CN201922225337 U CN 201922225337U CN 211115958 U CN211115958 U CN 211115958U
- Authority
- CN
- China
- Prior art keywords
- backflow
- plate
- installation
- bed gas
- gas well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a special sand filtration reflux unit of coal bed gas well in coal bed gas well field, through setting up the filter plate, in sewage gets into the return tank, directly filters through the filter plate, does not need to stand and wait for the sediment, the sewage after the filter plate filters directly flows back to the coal bed gas well through the external pipeline of outlet pipe, has improved the efficiency of backward flow; through setting up installation closed plate, connecting screw, installation screw, construction bolt and auxiliary stay mechanism, will install the closed plate and fix at the bottom of the case end opening of backward flow under the cooperation of construction bolt and connecting screw and installation screw when backward flow, seal the backward flow case, support through auxiliary stay mechanism simultaneously, demountable installation's installation closed plate is convenient for solid impurity's discharge, and filter plate demountable installation is in the backward flow incasement in addition, the washing and the change of the filter plate of being convenient for.
Description
Technical Field
The utility model relates to a coal bed gas well field specifically is a special sand filtration reflux unit of coal bed gas well.
Background
The coal bed gas is hydrocarbon gas which is stored in a coal bed, mainly contains methane, mainly adsorbs on the surface of coal matrix particles, partially dissociates in coal pores or is dissolved in coal bed water, is associated mineral resources of coal, belongs to unconventional natural gas, can produce water from a well in the development of the coal bed gas, and also needs to replenish water for a coal bed gas well, wherein the produced water contains impurities such as coal dust, silt and the like, and the water does not contain the impurities such as the coal dust, the silt and the like when the water is replenished for the coal bed gas well. At present, the treatment of the output liquid of the coal bed gas well generally has two modes: one is that the waste water is directly discharged and then the clean water is used for replenishing water to the coal bed gas well, thereby not only causing environmental pollution, but also wasting water resources; and the other method is to use sand filtering backflow equipment to carry out sand filtering treatment on the produced fluid of the coal-bed gas well and then supplement the produced fluid into the coal-bed gas well.
At present, Chinese patent with application number CN201320226104.5 discloses a sand filtering reflux device, in particular to a special sand filtering reflux device for a coal bed gas well. The technical scheme is as follows: the device comprises an upper part and a lower part, wherein the upper part consists of an upper butterfly-shaped end enclosure and an upper tank body, and the lower part consists of an upper tank body bottom, a lower tank body and a lower butterfly-shaped end enclosure; the top of the upper tank body is provided with a safety valve which is connected through a steel pipe; the stop valve and the baffle are installed on the bottom of the upper tank body, the stop valve is installed on the top of the lower tank body, the mud valve is installed on the lower butterfly-shaped end enclosure, and the mud valve is connected with the lower butterfly-shaped end enclosure through a pipeline, a flange and a flange cover. The structure is simple, and the manufacturing cost is low; supporting with coal bed gas well existing equipment, the filter sand flows back effectually, but, uses the device to carry out coal bed gas well backward flow moisturizing, need through a period of the sediment of stewing just can make the buggy silt impurity of well output sink to the bottom, work efficiency is lower. Based on this, the utility model designs a special sand filtration reflux unit of coal bed gas well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special sediment reflux unit that strains of coal bed gas well to the coal bed gas well backward flow moisturizing of carrying out that proposes in solving above-mentioned background, need through a period of the sediment of stewing just can make the buggy silt impurity of output sink to the bottom in the well, the lower problem of work efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
a special sand filtering backflow device for a coal bed gas well comprises a backflow box with an open bottom, supporting rods are symmetrically fixed on the front side and the rear side of the backflow box, an inlet is formed in the left side of the backflow box, an outlet is formed in the right side of the backflow box, a sewage inlet pipe is fixed at the end of the inlet, a water outlet pipe is fixed at the end of the outlet, a half sealing plate is fixed at one side of the opening at the bottom end of the backflow box, a mounting groove is formed in the left edge of the top end of the half sealing plate, a bottom plate is installed inside the mounting groove, a filter plate is fixed at the top end of the bottom plate, a top plate is fixed at the top end of the filter plate, through grooves are formed in the top end of the backflow box, the top plate is located between the through grooves, vertical grooves are formed in the two ends of the through grooves and communicated with the mounting, the utility model discloses a sewage treatment device, including backflow case, sewage inlet pipe, backflow case bottom opening, connecting screw, mounting screw and connecting screw inside threaded connection, backflow case front side is close to one half side of sewage inlet pipe and is provided with the observation window, backflow case bottom opening is provided with the installation closing plate, the connecting screw has been seted up to the installation closing plate left surface, backflow case left side wall is seted up and is connected screw complex mounting screw, mounting screw and connecting screw inside threaded connection have mounting bolt, the installation closing plate bottom is provided with supplementary supporting mechanism.
Preferably, the support rods are arranged at the lower center of the side surface of the return box at three groups at equal intervals, the inlet is arranged at the position, close to the upper edge, of the left side surface of the return box, and the outlet is arranged at the position, close to the lower edge, of the right side surface of the return box.
Preferably, the sewage inlet pipe is a pipeline with the caliber gradually increased from small to large, the maximum caliber of the sewage inlet pipe is the same as the caliber of the inlet, and the water outlet pipe is a pipeline with the caliber gradually decreased from large to small, and the maximum caliber of the sewage inlet pipe is the same as the caliber of the outlet.
Preferably, the length of filter plate equals the length of return-flow tank inner chamber, the width of filter plate equals the width of return-flow tank inner chamber, the height of filter plate equals the height of return-flow tank inner chamber, filter plate and riser and roof contact position all are provided with the sealing washer.
Preferably, the observation window sets up the position on the upper side in the middle part of the preceding side of flow-back box, connect the total three groups of and equidistant setting of screw and install shrouding left surface center, the crossing position of installation closing plate side and flow-back box inner wall and half a closing plate all is provided with the sealing washer.
Preferably, the auxiliary supporting mechanism comprises a supporting disk and a supporting column, the supporting disk is fixed at the center of the top end of the supporting column, and the sum of the thickness of the supporting disk and the height of the supporting column is equal to the vertical distance from the bottom end of the return box to the bottom end of the supporting column.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the filter plate, sewage enters the backflow box and is directly filtered through the filter plate without standing for sedimentation, and the sewage filtered by the filter plate directly flows back to the coal bed gas well through the external pipeline of the water outlet pipe, so that the backflow efficiency is improved; through setting up installation closed plate, connecting screw, installation screw, construction bolt and auxiliary stay mechanism, will install the closed plate and fix at the bottom of the case end opening of backward flow under the cooperation of construction bolt and connecting screw and installation screw when backward flow, seal the backward flow case, support through auxiliary stay mechanism simultaneously, demountable installation's installation closed plate is convenient for solid impurity's discharge, and filter plate demountable installation is in the backward flow incasement in addition, the washing and the change of the filter plate of being convenient for.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the top view structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of the present invention;
fig. 4 is a schematic view of the cross-sectional structure of the present invention at B-B.
In the drawings, the components represented by the respective reference numerals are listed below:
1-reflux box, 2-support rod, 3-inlet, 4-outlet, 5-sewage inlet pipe, 6-water outlet pipe, 7-half sealing plate, 8-installation groove, 9-bottom plate, 10-filter plate, 11-top plate, 12-through groove, 13-vertical groove, 14-vertical plate, 15-installation handle, 16-observation window, 17-installation sealing plate, 18-connection screw hole, 19-installation screw hole, 20-installation bolt, 21-support plate and 22-support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a special sand filtering backflow device for a coal bed gas well comprises a backflow box 1 with an opening at the bottom end, supporting rods 2 are symmetrically fixed on the front side and the rear side of the backflow box 1, an inlet 3 is formed in the left side of the backflow box 1, an outlet 4 is formed in the right side of the backflow box, a sewage inlet pipe 5 is fixed at the end part of the inlet 3, a water outlet pipe 6 is fixed at the end part of the outlet 4, a half sealing plate 7 is fixed at one side of the opening at the bottom end of the backflow box 1, a mounting groove 8 is formed in the left edge of the top end of the half sealing plate 7, a bottom plate 9 is installed inside the mounting groove 8, a filter plate 10 is fixed at the top end of the bottom plate 9, a top plate 11 is fixed at the top end of the filter plate 10, a through groove 12 is formed in the top end of the backflow box 1, the top plate 11 is positioned between the through grooves 12, vertical grooves 13 are, an observation window 16 is arranged on the side face of the front side of the backflow box 1, which is close to the sewage inlet pipe 5, the bottom opening of the backflow box 1 is provided with an installation closing plate 17, the left side face of the installation closing plate 17 is provided with a connection screw hole 18, the left side wall of the backflow box 1 is provided with an installation screw hole 19 matched with the connection screw hole 18, the installation screw hole 19 and the connection screw hole 18 are internally and threadedly connected with an installation bolt 20, and an auxiliary supporting mechanism is arranged at the bottom end of the installation closing plate 17.
In the embodiment, the support rods 2 are three groups and are arranged at the lower center of the side surface of the return box 1 at equal intervals, the inlet 3 is arranged at the position, close to the upper edge, of the left side surface of the return box 1, and the outlet 4 is arranged at the position, close to the lower edge, of the right side surface of the return box 1; the sewage inlet pipe 5 is a pipeline with the caliber gradually increased from small to large, the maximum caliber of the sewage inlet pipe is the same as the caliber of the inlet 3, and the water outlet pipe 6 is a pipeline with the caliber gradually decreased from large to small, and the maximum caliber of the sewage inlet pipe is the same as the caliber of the outlet 4.
In the embodiment, the length of the filter plate 10 is equal to the length of the inner cavity of the return tank 1, the width of the filter plate 10 is equal to the width of the inner cavity of the return tank 1, the height of the filter plate 10 is equal to the height of the inner cavity of the return tank 1, and sealing rings are arranged at the contact positions of the filter plate 10, the vertical plate 14 and the top plate 11; the observation window 16 is arranged on the upper middle part of the front side surface of the backflow box 1, the connecting screw holes 18 are three groups in total and are arranged in the center of the left side surface of the mounting seal plate 17 at equal intervals, and the sealing rings are arranged at the intersection positions of the side surface of the mounting seal plate 17, the inner wall of the backflow box 1 and the half seal plate 7; the auxiliary supporting mechanism comprises a supporting disk 21 and a supporting column 22, the supporting disk 21 is fixed at the center of the top end of the supporting column 22, and the sum of the thickness of the supporting disk 21 and the height of the supporting column 22 is equal to the vertical distance from the bottom end of the return box 1 to the bottom end of the supporting rod 2.
One specific application of this embodiment is: the method comprises the steps that the mining water enters a backflow box 1 through a sewage inlet pipe 5, the caliber of the sewage inlet pipe 5 is changed from small to large, so that the impact of the sewage on the backflow box 1 is reduced, the sewage flows into the backflow box 1 from an inlet 3 and is filtered through a filter plate 10, the filtered water flows back into a well through a book outlet pipe 6, solid sundries accumulated in the backflow box are continuously increased and decreased along with continuous backflow, the solid sundries are observed through an observation window 16, when the height of the solid sundries reaches the observation window 16, the work of a pause device is carried out, an auxiliary supporting mechanism is moved away, a fixing bolt 20 is dismounted, the solid sundries and an installation sealing plate 17 fall on the ground under the action of gravity, a collecting box can be placed in advance to collect, then the installation sealing plate 17 which is replaced is continuously subjected to backflow work, and meanwhile the filter plate 10 can be replaced through.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a special sand filtration reflux unit of coal bed gas well, includes that the bottom is open-ended flow-back box (1), its characterized in that: the backflow box is characterized in that supporting rods (2) are symmetrically fixed to the front side and the rear side of the backflow box (1), an inlet (3) is formed in the left side of the backflow box (1), an outlet (4) is formed in the right side of the backflow box, a sewage inlet pipe (5) is fixed to the end of the inlet (3), a water outlet pipe (6) is fixed to the end of the outlet (4), one side of an opening in the bottom of the backflow box (1) is fixed with a half-closed plate (7), a mounting groove (8) is formed in the left edge of the top end of the half-closed plate (7), a bottom plate (9) is mounted inside the mounting groove (8), a filter plate (10) is fixed to the top end of the bottom plate (9), a top plate (11) is fixed to the top end of the filter plate (10), a top groove (12) is formed in the top end of the backflow, erect groove (13) and mounting groove (8) intercommunication, bottom plate (9) top both sides are fixed with riser (14), riser (14) are located and erect groove (13), roof (11) top center is fixed with installation handle (15), backflow box (1) front side is close to one half side of advancing dirty pipe (5) and is provided with observation window (16), backflow box (1) bottom opening is provided with installation closing plate (17), connection screw (18) have been seted up to installation closing plate (17) left surface, backflow box (1) left side wall is seted up and is connected screw (18) complex installation screw (19), installation screw (19) and connection screw (18) internal thread are connected with construction bolt (20), installation closing plate (17) bottom is provided with auxiliary stay mechanism.
2. The special sand filtering backflow device for the coal-bed gas well is characterized by comprising the following components in parts by weight: the support rods (2) are arranged in three groups at equal intervals at the center of the side face of the backflow box (1) at the lower part, the inlet (3) is arranged at the left side face of the backflow box (1) and close to the edge position of the upper part, and the outlet (4) is arranged at the right side face of the backflow box (1) and close to the edge position of the lower part.
3. The special sand filtering backflow device for the coal-bed gas well is characterized by comprising the following components in parts by weight: the sewage inlet pipe (5) is a pipeline with the caliber changed from small to large, the maximum caliber of the sewage inlet pipe is the same as the caliber of the inlet (3), and the water outlet pipe (6) is a pipeline with the caliber changed from large to small, the maximum caliber of the sewage inlet pipe is the same as the caliber of the outlet (4).
4. The special sand filtering backflow device for the coal-bed gas well is characterized by comprising the following components in parts by weight: the length of filter plate (10) equals the length of backward flow case (1) inner chamber, the width of filter plate (10) equals the width of backward flow case (1) inner chamber, the height that highly equals backward flow case (1) inner chamber of filter plate (10), filter plate (10) and riser (14) and roof (11) contact position all are provided with the sealing washer.
5. The special sand filtering backflow device for the coal-bed gas well is characterized by comprising the following components in parts by weight: observation window (16) set up in flow-back box (1) leading flank middle part position on the upper side, connect screw (18) total three groups and equidistant setting at installation closing plate (17) left surface center, the crossing position of installation closing plate (17) side and flow-back box (1) inner wall and half closing plate (7) all is provided with the sealing washer.
6. The special sand filtering backflow device for the coal-bed gas well is characterized by comprising the following components in parts by weight: the auxiliary supporting mechanism comprises a supporting disc (21) and a supporting column (22), the supporting disc (21) is fixed at the center of the top end of the supporting column (22), and the sum of the thickness of the supporting disc (21) and the height of the supporting column (22) is equal to the vertical distance from the bottom end of the backflow box (1) to the bottom end of the supporting column (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225337.3U CN211115958U (en) | 2019-12-12 | 2019-12-12 | Special sand filtering backflow device for coal bed gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225337.3U CN211115958U (en) | 2019-12-12 | 2019-12-12 | Special sand filtering backflow device for coal bed gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115958U true CN211115958U (en) | 2020-07-28 |
Family
ID=71706864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922225337.3U Active CN211115958U (en) | 2019-12-12 | 2019-12-12 | Special sand filtering backflow device for coal bed gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426166A (en) * | 2021-07-01 | 2021-09-24 | 上饶师范学院 | Pressure filter is used in mine |
-
2019
- 2019-12-12 CN CN201922225337.3U patent/CN211115958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113426166A (en) * | 2021-07-01 | 2021-09-24 | 上饶师范学院 | Pressure filter is used in mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201801946U (en) | Apparatus for separating and recycling rainwater | |
| CN211115958U (en) | Special sand filtering backflow device for coal bed gas well | |
| CN205867756U (en) | Hydropower pipeline water purifier | |
| CN103566645A (en) | Cloth filter for deep filtration | |
| CN215026807U (en) | Categorised sedimentation tank of carwash groove | |
| CN212491924U (en) | Water purification unit waste water reuse device | |
| CN211847417U (en) | Full-automatic timing blowdown backwash water purifier without electricity | |
| CN205815245U (en) | Plain type filter-cloth filtering device | |
| CN208120858U (en) | A kind of purification apparatus applied to sanitary sewage | |
| CN218392528U (en) | Water treatment filtration equipment | |
| CN205127473U (en) | Sewage treatment sedimentation tank structure | |
| CN201419046Y (en) | Incoming water filter for water injection wells | |
| CN216336928U (en) | Backwashing filtering device for oily sewage | |
| CN215483263U (en) | Roof rainwater collecting module | |
| CN217449059U (en) | Pipeline supporting device for modifying overflow pipe of sedimentation tank | |
| CN218076791U (en) | Filter assembly of sponge city building drain pipe | |
| CN213834818U (en) | Single-box type valveless filter | |
| CN212504285U (en) | Green building sewage treatment plant | |
| CN205235574U (en) | Sewage treating pond | |
| CN218374257U (en) | Construction rainfall drainage structures | |
| CN213060419U (en) | Water supply and drainage device with pretreatment function for sewage treatment | |
| CN219897373U (en) | Industrial automation sewage treatment device | |
| CN212864319U (en) | Upflow rainwater purification device | |
| CN212141705U (en) | Integrated valveless filter tank equipment | |
| CN213446629U (en) | Novel sewage filters device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |