CN208702398U - A kind of coal mining underground gasification gasifying agent injection device - Google Patents
A kind of coal mining underground gasification gasifying agent injection device Download PDFInfo
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- CN208702398U CN208702398U CN201920109630.0U CN201920109630U CN208702398U CN 208702398 U CN208702398 U CN 208702398U CN 201920109630 U CN201920109630 U CN 201920109630U CN 208702398 U CN208702398 U CN 208702398U
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- wall
- main pipeline
- chest
- injection device
- gasifying agent
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Abstract
The utility model discloses a kind of coal mining underground gasification gasifying agent injection devices, including main pipeline and hydraulic pump, hydraulic pump is fixedly installed on the right side of the main pipeline, run through on the left side of the main pipeline and is connected with reagent inlet, the top of the hydraulic pump is provided with hydraulic cylinder, the top of the hydraulic cylinder is provided with the fluid-through port for hydraulic oil disengaging, axle sleeve is axially also connected with by branch pipe(tube) on the inner wall of the main pipeline, the inner wall of the branch pipe(tube) and the inner cavity of axle sleeve are through connection, molten medicine-chest is inlaid on the inner wall of the hydraulic pump, mobile compression pressing spring is provided on the inner wall of the molten medicine-chest, the mobile top for compressing pressing spring is connected by piston rod with hydraulic cylinder, the padding of whole device executes rapider, residual liquid is discharged from wellhead assembly system after pressure test It is cleaner rapidly, simplicity is operated with and maintains, it is small in size, light-weight, it is securely and reliably, economical and practical.
Description
Technical field
The utility model relates to technical field of coal exploitation, specially a kind of coal mining underground gasification is injected with gasifying agent
Device.
Background technique
Underground coal gasification(UCG) is a kind of collection mining, Mineral Processing Engineering, coal mine geology, chemical process, environmental science, meter
The multidisciplinary comprehensive clean coal technology being integrated such as calculation machine observation and control technology, technological principle be exactly by underground coal resource without
Pit mining is crossed, is raw coke oven gas by special technique means in situ conversion and is transported to ground and is focused on and used.It should
Drilling well, coal mining, ore dressing, gasification are directly carried out in subterranean coal and raw coke oven gas are transported to ground to focus on by technology,
The coal mining of Typical physical method well work is become underground gasification to mine, i.e., the raw coal macromolecular with complicated condensed nucleus aromatic structure is turned
Become structure simply with hydrogen, carbon monoxide, methane fuel gas as main component.
Different from ground gasification furnace gas making, the solid in Underground Coal Gasification Process after the burning of raw coal part, gasification is residual
Excess stays in underground, can reduce in this way the overburden collapse caused by burned out area as caused by subterranean coal burning, gasification and
Pollution of the solid waste to atmospheric environment, therefore underground coal gasification(UCG) can effectively reduce the pollution to external environment.In addition, ground
It is direct that lower raw coke oven gas can be used as fuel gas after cooling, dedusting, recycling tar, desulfurization, decarburization after pipeline to ground
For generate electricity and it is civilian, can be used for taking high-purity hydrogen as chemical industry synthesis air lift and preparing synthesis gas, alcohol evil spirit fuel etc..Cause
This, coal underground gasification technology has significant environmental benefit, economic benefit and social benefit, oneself becomes China's clean coal technology
The important directions of research.
For example, patent name is a kind of oxidation for Underground Coal Gasification Process application No. is 201610716987.6
The patent of invention of agent injection device:
It provides application of this oxidant injection device in Underground Coal Gasification Process, with being particularly used in coal
The igniting and course of normal operation of lower gasification.
But existing coal mining underground gasification is had the following deficiencies: with gasifying agent injection device
(1) currently, gasifying agent injection device only has the inlet of chemical reagent, in use, the speed of chemical reagent injection
Degree is slow, and the amount for injecting chemical reagent not can determine that；
(2) for gasifying agent injection device after wellhead assembly fulfils assignment, the liquid velocity in discharge pipe is slow, and is discharged not
Completely, construction speed is influenced.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of coal mining underground gasification gasifying agent
Injection device, can execution padding efficiently and effectively, residual liquid is arranged from wellhead assembly system after pressure test
It is cleaner rapidly out, simplicity is operated with and maintains, it is small in size, light-weight, it is securely and reliably, economical and practical, it can be effective
Solve the problems, such as that background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of coal mining underground gasification gasifying agent injection device, including main pipeline and hydraulic pump, the main pipeline
It is fixedly installed with hydraulic pump on right side, runs through on the left side of the main pipeline and is connected with reagent inlet, the hydraulic pump
Top be provided with hydraulic cylinder, the top of the hydraulic cylinder is provided with the fluid-through port for hydraulic oil disengaging, the main pipeline
Inner wall on axle sleeve is axially also connected with by branch pipe(tube), the inner wall of the branch pipe(tube) and the inner cavity of axle sleeve are described through connection
Molten medicine-chest is inlaid on the inner wall of hydraulic pump, the inner cavity of the molten medicine-chest is cone structure, and the inner cavity of the molten medicine-chest passes through work
Stopper rod is matched with the conical surface outside hydraulic cylinder, and mobile compression pressing spring, the movement are provided on the inner wall of the molten medicine-chest
The top for compressing pressing spring is connected by piston rod with hydraulic cylinder, and stirring is axially connected on the upper surface of the hydraulic pump
Device.
Further, the input terminal of the molten medicine-chest is run through by conduit is connected with Y-filter.
Further, the input terminal of the Y-filter is provided with control valve, and the input terminal of the control valve is provided with meter
Amount pump.
Further, the control terminal of the metering pump is provided with pulsation damper.
Further, the control terminal of the pulsation damper runs through connection by connecting pipe and molten medicine-chest inner wall, described
Safety valve is provided on the outer wall of connecting pipe.
Further, run through on the inner wall of the main pipeline and be connected with blow vent.
Compared with prior art, the utility model has the beneficial effects that
(1) the coal mining underground gasification gasifying agent injection device of the utility model, it is dense can effectively to solve injectant
The problem that degree is uneven, injection pressure is unstable, discharge capacity is freely adjustable, there is stirring, heating, pressure-increasing unit, overpressure protection etc.
Function is able to satisfy online injection requirement under the conditions of varying environment；
(2) the coal mining underground gasification gasifying agent injection device of the utility model, the padding of chemical reagent are held
Row is rapider, and residual liquid is discharged cleaner rapidly from wellhead assembly system after pressure test, operates with and repairs
Maintenance is easy, small in size, light-weight, securely and reliably, economical and practical.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the present invention looks up structural representation of the utility model.
Figure label:
1- main pipeline；2- reagent inlet；3- blow vent；4- hydraulic pump；5- hydraulic cylinder；6- axle sleeve；7- branch pipe(tube)；
8- fluid-through port；
401-Y shape filter；The molten medicine-chest of 402-；403- piston rod；404- blender；405- is mobile to compress pressing spring；
406- metering pump；407- pulsation damper；408- connecting pipe；409- safety valve；410- control valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of coal mining underground gasification gasifying agent injection device,
Including main pipeline 1 and hydraulic pump 4, hydraulic pump 4, the inner wall of the main pipeline 1 are fixedly installed on the right side of the main pipeline 1
It is upper to run through on the left side of the main pipeline 1 through blow vent 3 is connected with and be connected with reagent inlet 2, the hydraulic pump 4
Top is provided with hydraulic cylinder 5, and the top of the hydraulic cylinder 5 is provided with the fluid-through port 8 for hydraulic oil disengaging, the main pipeline
It also is connected with axle sleeve 6 by the way that branch pipe(tube) 7 is axial on 1 inner wall, connection is run through in the inner wall of the branch pipe(tube) 7 and the inner cavity of axle sleeve 6,
Molten medicine-chest 402 is inlaid on the inner wall of the hydraulic pump 4, the inner cavity of the molten medicine-chest 402 is cone structure, the molten medicine-chest
402 inner cavity is matched by piston rod 403 with the 5 outside conical surface of hydraulic cylinder, is provided with shifting on the inner wall of the molten medicine-chest 402
Spring 405 is pressed in dynamic pressure, and the mobile top for compressing pressing spring 405 is connected by piston rod 403 with hydraulic cylinder 5, institute
It states and is axially connected with blender 404 on the upper surface of hydraulic pump 4.
The input terminal of the molten medicine-chest 402 is run through by conduit is connected with Y-filter 401, the Y-filter 401
Input terminal be provided with control valve 410, the input terminal of the control valve 410 is provided with metering pump 406, the metering pump 406
Control terminal is provided with pulsation damper 407, and the control terminal of the pulsation damper 407 passes through connecting pipe 408 and molten medicine-chest
402 inner walls are provided with safety valve 409 in connection, the outer wall of the connecting pipe 408.
In the present embodiment, by the way that each component to be assembled on a platform by injection technology process, it is single to form injection combination
Member, migration is easy, reduces on-site installation work amount, can be effective by using Y-filter 401, pulsation damper 407
Solve the problems, such as that injectant uneven concentration, injection pressure are unstable, discharge capacity is freely adjustable, has stirring, heating, pressurization defeated
It send, the functions such as overpressure protection, is able to satisfy online injection requirement under the conditions of varying environment.
In the present embodiment, towards the main pipeline 1 in oil well, it is connected to respectively with inlet 2 and blow vent 3, and at blow vent
The hydraulic pump 4 for opening and closing the blow vent is set, blow vent 3 is opened by hydraulic pump 4 first, it will be in injection device pipeline
Air is discharged from blow vent, then blow vent is closed by hydraulic pump 4, by gasifying agent by realizing in inlet injection device
It is rapidly injected the purpose of chemical reagent in the device；After the completion of operation, well head is closed, blow vent 3 is opened by hydraulic pump 4, from
Blow vent 3 inputs compressed air, and compressed air can push the residual liquid in injection device rapidly and neatly be discharged.
In the present embodiment, hydraulic pump 4 provides power by hydraulic cylinder 5, has on the cylinder wall of hydraulic cylinder 5 for hydraulic
The fluid-through port 8 of oil disengaging, main pipeline 1 are connected to by branch pipe(tube) 7 with the inner cavity of axle sleeve 6, are had blow vent on the inner wall of inner cavity, are stretched
The piston rod 403 outside hydraulic cylinder 5 and bore seal cooperate out, can open or close blow vent in move within lumens, pass through
External hand hydraulic pump 4 is that fluid-through port is pumped into hydraulic oil, pushes 403 forward motion of piston rod to realize under the action of hydraulic logical
The unlatching of port, the air in injection device pipeline can be discharged by blow vent；After air discharge is clean, pass through hydraulic hand-pump 4
Discharge hydraulic, then counter motion realizes the closing of blow vent to piston rod 403.
In the present embodiment, pipe protection axle sleeve 6, the outer peripheral surface and device of pipe protection axle sleeve 6 is arranged in the external of branch pipe(tube) 1
The sealing cooperation of the inner peripheral surface of main body and link block, one end end face of hydraulic cylinder and the inner peripheral surface of link block seal and cooperate, axle sleeve 6
Outer peripheral surface and link block inner peripheral surface seal cooperate, the above sealing structure make injection device have good air-tightness,
Securely and reliably.
In the present embodiment, whole device can reach the function of sealing and ventilation, and quick coupling is connected with hydraulic line,
By hydraulic realization remote control, it is not only simple in structure, it is easy to operate, securely and reliably, and make construction operation ambient enviroment
From pollution, be conducive to environmental protection.
In the present embodiment, the padding of chemical reagent executes rapider, and residual liquid is from well head after pressure test
It is discharged cleaner rapidly in apparatus system, operates with and maintain simplicity, it is small in size, light-weight, securely and reliably, economy reality
With.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of coal mining underground gasification gasifying agent injection device, including main pipeline (1) and hydraulic pump (4), feature exists
In: it is fixedly installed with hydraulic pump (4) on the right side of the main pipeline (1), through connection on the left side of the main pipeline (1)
Have reagent inlet (2), the top of the hydraulic pump (4) is provided with hydraulic cylinder (5), and the top of the hydraulic cylinder (5) is set
It is equipped with the fluid-through port (8) for hydraulic oil disengaging, is also axially connected with axis by branch pipe(tube) (7) on the inner wall of the main pipeline (1)
It covers (6), the inner wall of the branch pipe(tube) (7) and the inner cavity of axle sleeve (6) are inlaid in connection, the inner wall of the hydraulic pump (4)
The inner cavity of molten medicine-chest (402), the molten medicine-chest (402) is cone structure, and the inner cavity of the molten medicine-chest (402) passes through piston rod
(403) it is matched with the external conical surface of hydraulic cylinder (5), mobile compression pressing spring is provided on the inner wall of the molten medicine-chest (402)
(405), the mobile top for compressing pressing spring (405) is connected by piston rod (403) with hydraulic cylinder (5), the liquid
Blender (404) are axially connected on the upper surface of press pump (4).
2. a kind of coal mining underground gasification gasifying agent injection device according to claim 1, it is characterised in that: described
The input terminal of molten medicine-chest (402) is run through by conduit is connected with Y-filter (401).
3. a kind of coal mining underground gasification gasifying agent injection device according to claim 2, it is characterised in that: described
The input terminal of Y-filter (401) is provided with control valve (410), and the input terminal of the control valve (410) is provided with metering pump
(406)。
4. a kind of coal mining underground gasification gasifying agent injection device according to claim 3, it is characterised in that: described
The control terminal of metering pump (406) is provided with pulsation damper (407).
5. a kind of coal mining underground gasification gasifying agent injection device according to claim 4, it is characterised in that: described
The control terminal of pulsation damper (407) is by connecting pipe (408) and molten medicine-chest (402) inner wall through connection, the communicating pipe
Safety valve (409) are provided on the outer wall in road (408).
6. a kind of coal mining underground gasification gasifying agent injection device according to claim 1, it is characterised in that: described
Run through on the inner wall of main pipeline (1) and is connected with blow vent (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109630.0U CN208702398U (en) | 2019-01-23 | 2019-01-23 | A kind of coal mining underground gasification gasifying agent injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109630.0U CN208702398U (en) | 2019-01-23 | 2019-01-23 | A kind of coal mining underground gasification gasifying agent injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702398U true CN208702398U (en) | 2019-04-05 |
Family
ID=65948278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920109630.0U Active CN208702398U (en) | 2019-01-23 | 2019-01-23 | A kind of coal mining underground gasification gasifying agent injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208702398U (en) |
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2019
- 2019-01-23 CN CN201920109630.0U patent/CN208702398U/en active Active
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