CN114849324A - Coal bed gas well returns flowing back environmental protection treatment facility - Google Patents
Coal bed gas well returns flowing back environmental protection treatment facility Download PDFInfo
- Publication number
- CN114849324A CN114849324A CN202210511722.8A CN202210511722A CN114849324A CN 114849324 A CN114849324 A CN 114849324A CN 202210511722 A CN202210511722 A CN 202210511722A CN 114849324 A CN114849324 A CN 114849324A
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- Prior art keywords
- sand
- fixed
- limiting ring
- gas well
- bed gas
- 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.)
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- 239000003245 coal Substances 0.000 title claims abstract description 8
- 230000007613 environmental effect Effects 0.000 title claims description 5
- 239000004576 sand Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000007599 discharging Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 206010044565 Tremor Diseases 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 19
- 238000001914 filtration Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses an environment-friendly treatment device for return fluid of a coal bed gas well, which relates to the technical field of return fluid treatment, and comprises two bases and a plurality of guide rails, wherein the two bases are preset on the ground; the sand collecting pools are arranged in two and are respectively fixed on the upper end surfaces of the two bases; the sand discharging bin is fixed between the two sand collecting ponds, a liquid inlet is formed in the position, close to the top, of one side of the sand discharging bin, a liquid outlet is formed in the position, close to the bottom, of the other side of the sand discharging bin, and valves are respectively arranged on the liquid inlet and the liquid outlet; the fixed shaft is fixed between the two sand collecting pools, penetrates through the sand discharge bin and the sand collecting pools, and is rotatably provided with a synchronizing wheel at one end positioned in one of the sand collecting pools; the rotating motor is fixed outside one sand collecting pool and is connected with the synchronizing wheel through a synchronizing belt; and the sand discharge assembly is coaxially arranged on the fixed shaft, is positioned in the sand discharge bin and is fixed with the synchronizing wheel through a plurality of connecting columns which are circumferentially arranged.
Description
Technical Field
The invention relates to the technical field of flowback fluid treatment, in particular to environment-friendly treatment equipment for flowback fluid of a coal-bed gas well.
Background
The coal bed gas well flowback fluid is liquid generated when a coal bed is fractured and mined, and carries a large amount of silt when being discharged, so that the flowback fluid can be discharged or continuously used after being subjected to procedures such as sedimentation and filtration when being treated.
The existing flowback liquid treatment equipment firstly conveys flowback liquid into a collection tank, large-particle solids such as silt carried by the flowback liquid are removed through gravity sedimentation, the waiting time is too long in the process, and when the flowback liquid settled in the collection tank is injected into the next process, the sediment partially settled can be carried by the flowing liquid, so that the next process is required to be removed again, and the working efficiency is greatly influenced.
Aiming at the problems, the invention provides environment-friendly treatment equipment for the return fluid of the coal-bed gas well, which aims to solve the problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an environmental protection treatment device for flowback liquid of a coal bed gas well comprises:
the base is configured into two parts and is preset on the ground;
the sand collecting pools are arranged in two and are respectively fixed on the upper end surfaces of the two bases;
the sand discharging bin is fixed between the two sand collecting tanks, a liquid inlet is formed in the position, close to the top, of one side of the sand discharging bin, a liquid outlet is formed in the position, close to the bottom, of the other side of the sand discharging bin, and valves are respectively arranged on the liquid inlet and the liquid outlet and are used for controlling the inlet and the outlet of the backflow liquid;
the fixed shaft is fixed between the two sand collecting pools, penetrates through the sand discharge bin and the sand collecting pools, and is rotatably provided with a synchronizing wheel at one end positioned in one of the sand collecting pools;
the rotating motor is fixed outside one sand collecting pool and is connected with the synchronizing wheel through a synchronizing belt; and
and the sand discharge assembly is coaxially arranged on the fixed shaft, is positioned in the sand discharge bin, is fixed with the synchronizing wheel through a plurality of connecting columns which are circumferentially arranged, and is used for driving the sand discharge assembly through a rotating motor.
Further, preferably, the sand discharge assembly comprises:
the vibration shaft is coaxially fixed on the fixed shaft;
the first limiting ring is coaxially sleeved on the vibration shaft;
the second limiting ring is coaxially sleeved on the first limiting ring, two end faces of the first limiting ring and the second limiting ring are fixed through a fixed disc, and the fixed disc is rotatably arranged on the fixed shaft;
the sand discharge plate is circumferentially arranged on the vibration shaft and can radially slide along the first limiting ring and the second limiting ring; and
and the opening and closing assembly is circumferentially arranged in the first limiting ring and the second limiting ring.
Further, preferably, a plurality of limiting grooves are formed in the vibration shaft at equal intervals along the axial direction, and one end of the sand discharge plate is slidably arranged in the plurality of limiting grooves;
the vibrating shaft is characterized in that an arc surface is formed in one half of the bottom of the vibrating shaft and used for enabling the sand discharging plate to perform stable circumferential sliding, and a wavy surface is formed in one half of the top of the vibrating shaft and used for enabling the sand discharging plate to perform circumferential sliding and perform reciprocating shaking along the radial direction of the vibrating shaft.
Further, preferably, a plurality of transit grooves are formed in the upper circumference of the second limiting ring, the adjacent transit grooves are arranged in a staggered mode, and the sand discharge plates correspond to the transit grooves one to one.
Further, preferably, a plurality of transfer bins are fixed between the first limiting ring and the second limiting ring, and correspond to the transfer grooves.
Further, preferably, a discharge port is formed in one side, close to the fixed disk, of the transfer bin, and the discharge port penetrates through the fixed disk and extends into the sand collecting pool;
the interior slope of transfer bin is opened and is equipped with the arc wall, just the arc wall is to the slope of discharge gate direction, is convenient for discharge silt.
Further, preferably, the sand discharging plate comprises:
the frame is arranged in the first limiting ring and the second limiting ring in a sliding mode;
a filter screen fixed within the frame; and
the limiting wheels are arranged in a plurality of numbers, are rotatably arranged at one end, close to the vibration shaft, of the frame, and are arranged in the limiting grooves in a sliding mode.
Further, preferably, a scraper is fixed at one end of the frame, which is far away from the limiting wheel, the scraper is of an arc-shaped structure, and the bending direction of the scraper is the same as the rotating direction of the first limiting ring and the second limiting ring.
Further, preferably, the opening and closing assembly includes:
the connecting rod is hinged in the first limiting ring at a position close to the vibration shaft, and a torsion spring is sleeved at the hinged position of the connecting rod and the first limiting ring;
the roller is rotatably arranged at one end of the connecting rod close to the vibration shaft; and
the opening plate is arranged in the second limiting ring in a sliding mode, and one end of the opening plate is hinged to one end, far away from the roller, of the connecting rod.
Compared with the prior art, the invention provides environment-friendly treatment equipment for the return fluid of the coal-bed gas well, which has the following beneficial effects:
in the invention, when the return drainage liquid is injected into the sand discharging bin, the first limiting ring and the second limiting ring are driven to rotate together by the rotating motor, so that the sand discharging plate rotates, the return drainage liquid is filtered by the filter screen on the sand discharging plate, and the return drainage liquid can flow in an S shape by the staggered sand discharging plates, so that the silt in the return drainage liquid is more easily attached to the filter screen while the stress of the filter screen is reduced, the filtering effect is improved, the opening and closing component in the return drainage liquid is always kept in a closed state, when the return drainage liquid rotates out, the return drainage liquid is opened and closed by the wavy surface on the vibration shaft and continuously shakes, the silt is prevented from being retained on the opening and closing plate, and the sand discharging plate shakes by the wavy surface, so that the silt attached to the filter screen falls to the transfer bin and is transferred into the sand collecting tank by the transfer bin, and the silt in the return drainage liquid is greatly reduced, the time of natural sedimentation is saved.
Drawings
FIG. 1 is an overall schematic diagram of an environment-friendly treatment device for a coal-bed gas well flowback fluid;
FIG. 2 is a schematic plan sectional view of a sand discharge assembly of the environment-friendly treatment equipment for the return fluid of the coal-bed gas well;
FIG. 3 is a schematic perspective view of a sand discharge assembly of the environment-friendly treatment equipment for the return fluid of the coal-bed gas well;
FIG. 4 is a schematic view of a vibration shaft of the environment-friendly treatment equipment for the flowback fluid of the coal-bed gas well;
in the figure: 1. a base; 2. a sand collecting pool; 3. a sand discharging bin; 4. a liquid inlet; 5. a liquid outlet; 6. a fixed shaft; 7. connecting columns; 8. a rotating electric machine; 9. a sand discharge assembly; 91. a vibration shaft; 92. a first limit ring; 93. a second stop collar; 94. a sand discharge plate; 95. a transfer bin; 96. opening and closing the board; 97. a connecting rod; 931. a transit trough; 932. fixing the disc; 951. a discharge port; 952. an arcuate wall; 911. a limiting groove; 912. a circular arc surface; 913. a wavy surface; 941. a squeegee; 942. filtering with a screen; 943. and a limiting wheel.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a technical solution: an environmental protection treatment device for flowback liquid of a coal bed gas well comprises:
two bases 1, which are arranged on the ground;
the sand collecting pools 2 are arranged in two and are respectively fixed on the upper end surfaces of the two bases 1;
the sand discharging bin 3 is fixed between the two sand collecting tanks 2, a liquid inlet 4 is formed in the position, close to the top, of one side of the sand discharging bin, a liquid outlet 5 is formed in the position, close to the bottom, of the other side of the sand discharging bin, the sand discharging bin is used for controlling the inlet and outlet of the return liquid, and valves are respectively installed on the liquid inlet 4 and the liquid outlet 5;
the fixed shaft 6 is fixed between the two sand collecting pools 2, penetrates through the sand discharging bin 3 and the sand collecting pools 2, and is rotatably provided with a synchronizing wheel at one end inside one of the sand collecting pools 2;
the rotating motor 8 is fixed outside one sand collecting pool 2 and is connected with the synchronizing wheel through a synchronizing belt; and
and the sand discharge assembly 9 is coaxially arranged on the fixed shaft 6, is positioned in the sand discharge bin 3, is fixed with the synchronous wheel through a plurality of connecting columns which are circumferentially arranged, and is used for driving the sand discharge assembly through a rotating motor 8.
It should be noted that the volume of the back-flowing liquid in the sand discharging bin 3 needs to be less than or equal to one half of the position of the sand discharging component 9, so that the sand discharging is prevented from being affected by the excessive volume of the back-flowing liquid.
In the present embodiment, the sand discharge assembly 9 includes:
a vibration shaft 91 coaxially fixed to the fixed shaft 6;
a first limit ring 92 coaxially sleeved on the vibration shaft 91;
the second limiting ring 93 is coaxially sleeved on the first limiting ring 92, two end faces of the first limiting ring 92 and the second limiting ring 93 are fixed through a fixed disc 932, and the fixed disc 932 is rotatably arranged on the fixed shaft 6;
a sand discharge plate 94 circumferentially arranged on the vibration shaft 91 and capable of radially sliding along the first and second limit rings 92 and 93; and
and the opening and closing assembly is circumferentially arranged in the first limiting ring 92 and the second limiting ring 93.
As a preferred embodiment, a plurality of limiting grooves 911 are formed in the vibration shaft 91 at equal intervals along the axial direction, and one end of the sand discharge plate 94 is slidably disposed in the plurality of limiting grooves 911;
It should be noted that the distance from the axial center of the vibrating shaft 91 to the lowest position of the wavy surface 913 is greater than the distance from the axial center of the vibrating shaft 91 to the arc surface 912 for maintaining the open state of the opening and closing assembly.
In a preferred embodiment, a plurality of middle rotating grooves 931 are formed on the circumference of the second limiting ring 93, the adjacent middle rotating grooves 931 are arranged in a staggered manner, and the sand discharge plates 94 correspond to the middle rotating grooves 931 one by one.
In a preferred embodiment, a plurality of transfer chambers 95 are fixed between the first retainer ring 92 and the second retainer ring 93, and the plurality of transfer chambers 95 correspond to the transfer grooves.
As a preferred embodiment, a discharge port 951 is formed in one side of the transfer bin 95 close to the fixed disk 932, and the discharge port 951 penetrates through the fixed disk 932 and extends into the sand collecting tank 2;
the interior slope of transfer bin 95 is opened and is equipped with arc wall 952, just arc wall 952 is to discharge gate 951 direction slope, is convenient for discharge silt.
That is to say, after silt got into transit storehouse 95, the arc wall 952 that sets up through the slope can be convenient for silt to discharge gate 951 removes to silt discharges.
As a preferred embodiment, the sand discharge plate 94 comprises:
a frame slidably disposed within the first and second stop rings 92, 93;
a screen 942 secured within the frame; and
the limiting wheels 943 are arranged in a plurality of numbers, are rotatably arranged at one end of the frame close to the vibration shaft 91, and are arranged in the limiting groove 911 in a sliding manner.
In a preferred embodiment, a scraper 941 is fixed to an end of the frame away from the limiting wheel 943, and the scraper 941 has an arc-shaped structure and is bent in the same direction as the first limiting ring 92 and the second limiting ring 93.
As a preferred embodiment, the opening and closing assembly includes:
the connecting rod 97 is hinged in the first limiting ring 92 at a position close to the vibration shaft 91, and a torsion spring is sleeved at the hinged position of the connecting rod 97 and the first limiting ring 92;
the roller is rotatably arranged at one end of the connecting rod 97 close to the vibration shaft 91; and
and the opening plate 96 is arranged in the second limiting ring 93 in a sliding mode, and one end of the opening plate is hinged to one end, away from the roller, of the connecting rod 97.
That is to say, when connecting rod 97 is located the arc surface 912 position of vibration axle 91, it makes open close plate 96 carry out the closure through the torsion spring drive, and the gyro wheel on connecting rod 97 just contacts with arc surface 912 this moment, and when connecting rod 97 was located wave surface 913 position, the gyro wheel on connecting rod 97 excessively contacted with wave surface 913 to make the connecting rod rotate, and open plate 96, and the gyro wheel can make open close plate 96 carry out reciprocal shake through contacting with wave surface, thereby can avoid silt to be detained on open plate 96.
Specifically, when the return fluid is injected into the sand discharging bin 3, the rotating motor 8 drives the first limiting ring 92 and the second limiting ring 93 to rotate together, so that the sand discharging plate 94 rotates, the return fluid is filtered by the filter screen 942 on the sand discharging plate 94, and the return fluid can flow in an S shape by the sand discharging plates 94 arranged in a staggered manner, so that the silt in the return fluid is more easily attached to the filter screen 942 while the stress on the filter screen 942 is reduced, the filtering effect is improved, the opening and closing component in the return fluid is always kept in a closed state, when the return fluid is rotated out, the return fluid is opened and closed by the wavy surface 913 on the vibrating shaft 91 and continuously shaken, thereby preventing the silt from being retained on the opening and closing plate, and the sand discharging plate 94 is shaken by the wavy surface 913, so that the silt attached to the filter screen 942 falls to the middle transferring bin 95 and is transported to the sand collecting tank 2 by the middle transferring bin 95, the silt in the return liquid is greatly reduced, and the natural settling time is saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a coal bed gas well returns flowing back environmental protection treatment facility which characterized in that: the method comprises the following steps:
the base (1) is configured to be two, and is preset on the ground;
the sand collecting pools (2) are arranged in two and are respectively fixed on the upper end surfaces of the two bases (1);
the sand discharging bin (3) is fixed between the two sand collecting tanks (2), a liquid inlet (4) is formed in the position, close to the top, of one side of the sand discharging bin, a liquid outlet (5) is formed in the position, close to the bottom, of the other side of the sand discharging bin, valves are respectively arranged on the liquid inlet (4) and the liquid outlet (5) and are used for controlling the inlet and the outlet of the return liquid;
the fixed shaft (6) is fixed between the two sand collecting pools (2), penetrates through the sand discharging bin (3) and the sand collecting pools (2), and is rotatably provided with a synchronizing wheel at one end inside one sand collecting pool (2);
the rotating motor (8) is fixed outside one sand collecting pool (2) and is connected with the synchronous wheel through a synchronous belt; and
and the sand discharge assembly (9) is coaxially arranged on the fixed shaft (6), is positioned in the sand discharge bin (3), is fixed with the synchronous wheel through a plurality of connecting columns which are circumferentially arranged, and is used for driving the sand discharge assembly through a rotating motor (8).
2. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 1 is characterized in that: the sand discharge assembly (9) comprises:
a vibration shaft (91) coaxially fixed to the fixed shaft (6);
the first limiting ring (92) is coaxially sleeved on the vibration shaft (91);
the second limiting ring (93) is coaxially sleeved on the first limiting ring (92), two end faces of the first limiting ring (92) and the second limiting ring (93) are fixed through a fixed disc (932), and the fixed disc (932) is rotatably arranged on the fixed shaft (6);
the sand discharge plate (94) is circumferentially arranged on the vibration shaft (91) and can radially slide along the first limiting ring (92) and the second limiting ring (93); and
and the opening and closing assembly is circumferentially arranged in the first limiting ring (92) and the second limiting ring (93).
3. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 2 is characterized in that: a plurality of limiting grooves (911) are formed in the vibration shaft (91) at equal intervals along the axial direction, and one end of the sand discharge plate (94) is slidably arranged in the limiting grooves (911);
arc surface (912) has been seted up to vibration axle (91) bottom half for make arrange sand board (94) and carry out steady circumference and slide, vibration axle (91) top half has seted up wavy surface (913) for when making arrange sand board (94) circumference slide radially to reciprocate to tremble along vibration axle (91).
4. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 2 is characterized in that: a plurality of transit grooves (931) are formed in the upper circumference of the second limiting ring (93), the neighboring transit grooves (931) are distributed in a staggered mode, and the sand discharge plates (94) correspond to the transit grooves (931) one by one.
5. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 4 is characterized in that: a plurality of transfer bins (95) are fixed between the first limiting ring (92) and the second limiting ring (93), and the transfer bins (95) correspond to the transfer grooves.
6. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 5 is characterized in that: a discharge port (951) is formed in one side, close to the fixed disc (932), of the transfer bin (95), and the discharge port (951) penetrates through the fixed disc (932) and extends into the sand collecting pool (2);
the interior slope of transfer bin (95) is opened and is equipped with arc wall (952), just arc wall (952) is to discharge gate (951) direction slope, is convenient for discharge silt.
7. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 3 is characterized in that: the sand discharge plate (94) comprises:
the frame is arranged in the first limiting ring (92) and the second limiting ring (93) in a sliding mode;
a screen (942) secured within the frame; and
the limiting wheels (943) are arranged in a plurality of ways, are rotatably arranged at one end, close to the vibration shaft (91), of the frame, and are arranged in the limiting groove (911) in a sliding mode.
8. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 7 is characterized in that: the one end that spacing wheel (943) was kept away from to the frame is fixed with scraper blade (941), scraper blade (941) are the arc structure, and its crooked direction is the same with the direction of rotation of first spacing ring (92) and second spacing ring (93).
9. The environment-friendly treatment equipment for the flowback liquid of the coal-bed gas well as the claim 2 is characterized in that: the opening and closing assembly comprises:
the connecting rod (97) is hinged in the first limiting ring (92) at a position close to the vibration shaft (91), and a torsion spring is sleeved at the hinged position of the connecting rod and the first limiting ring (92);
the roller is rotatably arranged at one end of the connecting rod (97) close to the vibration shaft (91); and
and the opening plate (96) is arranged in the second limiting ring (93) in a sliding mode, and one end of the opening plate is hinged to one end, away from the roller, of the connecting rod (97).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511722.8A CN114849324A (en) | 2022-05-11 | 2022-05-11 | Coal bed gas well returns flowing back environmental protection treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511722.8A CN114849324A (en) | 2022-05-11 | 2022-05-11 | Coal bed gas well returns flowing back environmental protection treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114849324A true CN114849324A (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210511722.8A Pending CN114849324A (en) | 2022-05-11 | 2022-05-11 | Coal bed gas well returns flowing back environmental protection treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114849324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116077987A (en) * | 2023-02-07 | 2023-05-09 | 泰兴金江化学工业有限公司 | Production and processing equipment with raw material-controllable ethyl acetate |
-
2022
- 2022-05-11 CN CN202210511722.8A patent/CN114849324A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116077987A (en) * | 2023-02-07 | 2023-05-09 | 泰兴金江化学工业有限公司 | Production and processing equipment with raw material-controllable ethyl acetate |
| CN116077987B (en) * | 2023-02-07 | 2023-09-26 | 泰兴金江化学工业有限公司 | Production and processing equipment with raw material-controllable ethyl acetate |
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