CN206129597U - Spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well - Google Patents
Spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well Download PDFInfo
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- CN206129597U CN206129597U CN201621067703.7U CN201621067703U CN206129597U CN 206129597 U CN206129597 U CN 206129597U CN 201621067703 U CN201621067703 U CN 201621067703U CN 206129597 U CN206129597 U CN 206129597U
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- sucker
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Abstract
The utility model discloses a spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well, including motor, control box, spiral shell sucker -rod pumping, oil pipe and sucker rod, the motor is fixed on the well head of coal seam gas well, the fixed spiral shell sucker -rod pumping that is equipped with of oil pipe lower extreme, and spiral shell sucker -rod pumping sets up intraductally at the cover of coal seam gas well, and the motor passes through the wire to be connected with the control box, and the drive shaft of motor is passed through the sucker rod and is connected transmission, its characterized in that with spiral shell sucker -rod pumping: the buggy device is prevented to spiral shell sucker -rod pumping's fixed being equipped with of lower extreme. The utility model discloses simple structure, simple to operate prevent the buggy device through having increased current screw pump oil production system lower extreme, have prevented spiral shell sucker -rod pumping unwatering pumping, are furnished with spiral shell sucker -rod pumping dynamic fluid level monitoring devices simultaneously, carry out real -time supervision to dynamic fluid level, prevent the not enough fever pump problem that arouses because of dynamic fluid level.
Description
Technical field
This utility model is related to a kind of improvement of screw pump, and specifically a kind of coal bed gas well is with anti-coal dust burn-out-proof screw rod
Pump, it is adaptable to used in low yield coal bed gas well.
Background technology
Coal bed gas well is different from oil well, and impurity is more in its coal slurry, and gas liquid ratio is high.Occur stratum during mining to produce coal
Powder, existing coal bed gas well screw pump, including motor, screw pump, screw pump control chamber, screw pump control chamber by wire with
Motor connection, motor is connected by sucker rod with screw pump, and the pump barrel lower end of screw pump is fixedly connected standing valve, to prevent pump barrel
The oily liquid in pipe backflow on top, it is disadvantageous in that：Existing coal bed gas well screw pump in stopping process, oil pipe and
Coal dust in pump barrel can be deposited in standing valve, cause standing valve to block, then after starting shooting, standing valve is not opened, and causes screw pump
Dry combustion method is until damage；Simultaneity factor echometer is difficult to the problems such as accurately asking for hydrodynamic face；The coal dust produced by coal bed gas well itself
Cause mining equipment fault phenomenon so that at this stage Coalbed Methane In China field gas producing efficiency is generally low.
The content of the invention
The purpose of this utility model is to provide a kind of anti-coal dust burn-out-proof screw pump of coal bed gas well, its simple structure, peace
Dress is convenient, by increasing anti-coal dust device to existing screw pump oil production system lower end, screw pump dry tap is prevented, while being furnished with screw rod
Pump moves liquid level monitoring arrangement, to hydrodynamic face real-time monitoring, the burning pump for preventing hydrodynamic face deficiency from causing.
In order to reach object above, the technical scheme that this utility model is adopted is：The coal bed gas well is with anti-coal dust burn-out-proof
Screw pump, including motor, control chamber, screw pump, oil pipe and sucker rod, motor is fixed on the well head of coal bed gas well, under oil pipe
End is fixed with screw pump, and screw pump is arranged in the sleeve pipe of coal bed gas well, and motor is connected by wire with control chamber, motor
Drive shaft is connected transmission with screw pump by sucker rod, it is characterised in that：The lower end of the screw pump is fixed with anti-coal dust dress
Put.
The anti-coal dust device, by top connection, outer tube, standing valve, bilateral core, guard, lower contact, tail pipe and plug, outward
The upper end of cylinder is connected by top connection with the lower port of screw pump, and the lower end of outer tube is fixedly installed in bilateral outer core
Portion, the upper end of bilateral core is connected with the standing valve for being arranged on outer tube intracavity, and upper runner, upper runner are provided with the middle part of bilateral core
Upper end connects with standing valve, and the lower end of bilateral core is connected by lower contact with tail pipe, and the lower port of tail pipe is fixed with stifled
Head, is provided between the outer wall and outer tube inner wall of bilateral core and between the outer wall and lower contact inwall of bilateral core and connects down up and down
Runner, the bilateral core side wall of upper runner bottom is provided with inlet opening, and between outer tube lower end and top connection upper end guard is fixed with,
The side wall of guard is provided with mesh.
The inlet opening is provided with two, and is symmetrical arranged.
Connecting tube is fixed with outer wall in the middle part of the bilateral core, the upper end of connecting tube is connected solid with the lower end of outer tube
Fixed, the lower end of connecting tube is connected with the upper end of guard.
Detection probe is fixed with the pump barrel outer wall of described screw pump, detection probe is by dynamic on wire and ground
Liquid level sensor connects.
The beneficial effects of the utility model are：It is simple structure, easy for installation, by under existing screw pump oil production system
End increased anti-coal dust device, it is therefore prevented that screw pump dry tap, while being furnished with the dynamic liquid level monitoring arrangement of screw pump, hydrodynamic face be carried out
Real-time monitoring, prevents the burning pump problem caused because of hydrodynamic face deficiency.
Description of the drawings
Fig. 1 is structure schematic front view of the present utility model.
Fig. 2 is the structure section view enlarged diagram of anti-coal dust device of the present utility model.
Fig. 3 is structure section view enlarged diagram of this utility model along Fig. 2A-A.
Fig. 4 is structure section view enlarged diagram of this utility model along Fig. 2 B-B.
In figure：1st, motor；2nd, control chamber；3rd, screw pump；4th, oil pipe；5th, sucker rod；6th, sleeve pipe；7th, detection probe；8th, move
Liquid level sensor；9th, anti-coal dust device；10th, top connection；11st, outer tube；12nd, standing valve；13rd, bilateral core；14th, mesh；15th, net
Cover；16th, inlet opening；17th, tail pipe；18th, plug；19th, lower contact；20th, upper runner；21st, connecting tube；22nd, lower flow channel.
Specific embodiment
This utility model is made with reference to Fig. 1, Fig. 2.The coal bed gas well is with anti-coal dust burn-out-proof screw pump, including motor 1, control
Case 2, screw pump 3, oil pipe 4 and sucker rod 5, motor 1 is fixed on the well head of coal bed gas well, and the lower end of oil pipe 4 is fixed with screw rod
Pump 3, screw pump 3 is arranged in the sleeve pipe 6 of coal bed gas well, and motor 1 is connected by wire with control chamber 2, is controlled by control chamber 2
The work of motor 1, the drive shaft of motor 1 is connected transmission by sucker rod 5 with screw pump 3, and the liquid in coal bed gas well is discharged,
Hydrodynamic face is set to be maintained at the position of needs, it is characterised in that：The lower end of the screw pump 3 is fixed with anti-coal dust device 9.
The anti-coal dust device 9, by top connection 10, outer tube 11, standing valve 12, bilateral core 13, guard 15, lower contact 19,
Tail pipe 17 and plug 18, the upper end of outer tube 11 is connected by top connection 10 with the lower port of screw pump 3, the lower end of outer tube 11
The middle part of the outer wall of bilateral core 13 is fixedly installed on, the upper end of bilateral core 13 is connected solid with the standing valve 12 for being arranged on the intracavity of outer tube 11
Fixed, the middle part of bilateral core 13 is provided with upper runner 20, and the upper end of upper runner 20 connects with standing valve 12, under the lower end of bilateral core 13 passes through
Joint 19 is connected with tail pipe 17, and the lower port of tail pipe 17 is fixed with plug 18, in the outer wall and outer tube 11 of bilateral core 13
The lower flow channel 22 for connecting up and down, the bottom of upper runner 20 are provided between wall and between the outer wall and the inwall of lower contact 19 of bilateral core 13
The side wall of bilateral core 13 be provided with inlet opening 16, be fixed with guard 15, guard between the lower end of outer tube 11 and the upper end of top connection 19
15 side wall is provided with mesh 14.
The inlet opening 16 is provided with two, and is symmetrical arranged.
Connecting tube 21, the upper end of connecting tube 21 and the lower end of outer tube 11 are fixed with the outer wall at the middle part of the bilateral core 13
It is connected, lower end and the upper end of guard 15 of connecting tube 21 are connected.
Detection probe 7 is fixed with the pump barrel outer wall of described screw pump 3, detection probe 7 is by wire and ground
Dynamic liquid level sensor 8 connect, so that the liquid level signal that detection probe 7 is detected is delivered to into dynamic liquid level sensor 8, and
Show, while making startup-shutdown operation in good time according to hydrodynamic face situation, prevent the idle running dry combustion method of screw pump 3.
During using this utility model, control chamber 2 is opened motor 1 and is worked, so as to drive screw pump 3, the liquid in coal bed gas well
Body enters the intracavity of guard 15 by the mesh 14 on guard 15, then enters upper by the inlet opening 16 on the lower sides of bilateral core 13
In runner 20, standing valve 12 is opened, and liquid flows into the intracavity of outer tube 11 from standing valve 12, is finally lifted to ground by screw pump 3；When
During shutdown, standing valve 12 is setting, and the liquid in oil pipe 4, screw pump 3 and outer tube 11 is static, and the coal dust that liquid is contained within sinks, from
Lower flow channel 22 is slowly deposited on the intracavity of tail pipe 17, will not block standing valve 12, has ensured the normal operation of screw pump 3.Due to
It is provided with the detection probe 7 in hydrodynamic face on the outer wall of screw pump 3, and shows on dynamic liquid level sensor 8, can more preferable root
Determine the working condition of screw pump 3 according to the practical situation in hydrodynamic face, if hydrodynamic face is located under screw pump 3, staff can
To shut down in time, prevent screw pump 3 from dallying.
Claims (5)
1. coal bed gas well is with anti-coal dust burn-out-proof screw pump, including motor（1）, control chamber（2）, screw pump（3）, oil pipe（4）With take out
Beam hanger（5）, motor（1）It is fixed on the well head of coal bed gas well, oil pipe（4）Lower end is fixed with screw pump（3）, screw pump（3）
It is arranged on the sleeve pipe of coal bed gas well（6）It is interior, motor（1）By wire and control chamber（2）Connection, motor（1）Drive shaft pass through
Sucker rod（5）With screw pump（3）Connection transmission, it is characterised in that：The screw pump（3）Lower end be fixed with anti-coal dust device
（9）.
2. coal bed gas well according to claim 1 is with anti-coal dust burn-out-proof screw pump, it is characterised in that：The anti-coal dust device
（9）, by top connection（10）, outer tube（11）, standing valve（12）, bilateral core（13）, guard（15）, lower contact（19）, tail pipe（17）
And plug（18）, outer tube（11）Upper end pass through top connection（10）With screw pump（3）Lower port be connected, outer tube（11）'s
Lower end is fixedly installed on bilateral core（13）The middle part of outer wall, bilateral core（13）Upper end be arranged on outer tube（11）The fixation of intracavity
Valve（12）It is connected, bilateral core（13）Middle part be provided with upper runner（20）, upper runner（20）Upper end and standing valve（12）Connection,
Bilateral core（13）Lower end pass through lower contact（19）With tail pipe（17）It is connected, tail pipe（17）Lower port be fixed with plug
（18）, bilateral core（13）Outer wall and outer tube（11）Between inwall and bilateral core（13）Outer wall and lower contact（19）Inwall it
Between be provided with the lower flow channel for connecting up and down（22）, upper runner（20）The bilateral core of bottom（13）Side wall is provided with inlet opening（16）, outward
Cylinder（11）Lower end and top connection（19）Guard is fixed between upper end（15）, guard（15）Side wall be provided with mesh（14）.
3. coal bed gas well according to claim 2 is with anti-coal dust burn-out-proof screw pump, it is characterised in that：The inlet opening（16）
Two are provided with, and are symmetrical arranged.
4. coal bed gas well according to claim 2 is with anti-coal dust burn-out-proof screw pump, it is characterised in that：The bilateral core（13）
Connecting tube is fixed with the outer wall at middle part（21）, connecting tube（21）Upper end and outer tube（11）Lower end be connected, connect
Pipe（21）Lower end and guard（15）Upper end be connected.
5. coal bed gas well according to claim 1 is with anti-coal dust burn-out-proof screw pump, it is characterised in that：Described screw pump
（3）Pump barrel outer wall on be fixed with detection probe（7）, detection probe（7）By the dynamic level detection dress on wire and ground
Put（8）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067703.7U CN206129597U (en) | 2016-09-21 | 2016-09-21 | Spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067703.7U CN206129597U (en) | 2016-09-21 | 2016-09-21 | Spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129597U true CN206129597U (en) | 2017-04-26 |
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ID=58570150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621067703.7U Active CN206129597U (en) | 2016-09-21 | 2016-09-21 | Spiral shell sucker -rod pumping is prevented burning with preventing buggy by coal seam gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798645A (en) * | 2018-06-07 | 2018-11-13 | 永城煤电控股集团有限公司 | Following formula inclination measurement system in following formula inclination measurement device and drilling rod in a kind of drilling rod |
| CN110761999A (en) * | 2019-09-24 | 2020-02-07 | 中石化石油机械股份有限公司研究院 | Mechanical dry pumping prevention tool for oil-submersible screw pump |
-
2016
- 2016-09-21 CN CN201621067703.7U patent/CN206129597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798645A (en) * | 2018-06-07 | 2018-11-13 | 永城煤电控股集团有限公司 | Following formula inclination measurement system in following formula inclination measurement device and drilling rod in a kind of drilling rod |
| CN110761999A (en) * | 2019-09-24 | 2020-02-07 | 中石化石油机械股份有限公司研究院 | Mechanical dry pumping prevention tool for oil-submersible screw pump |
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