CN208473824U - A kind of generator of in-situ retorting oil shale - Google Patents
A kind of generator of in-situ retorting oil shale Download PDFInfo
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- CN208473824U CN208473824U CN201820926221.5U CN201820926221U CN208473824U CN 208473824 U CN208473824 U CN 208473824U CN 201820926221 U CN201820926221 U CN 201820926221U CN 208473824 U CN208473824 U CN 208473824U
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Abstract
The utility model belongs to oil shale recovery technical field, in particular to a kind of generator of in-situ retorting oil shale.The generator includes coiled hair, shell I and shell II, and coiled hair is equipped with igniter, oil inlet, gas tube and oxygen hose, is equipped with combustion chamber, spray chamber and mixing chamber inside generator.Generator poor heat resistance, injection gas and the heating that the generator solves winning apparatus in the prior art carry out the problems such as causing cost to increase respectively, the generator processing temperature can reach 300 ~ 500 DEG C, 5 ~ 25Mpa of pressure solves the problems, such as that existing page oil rock exploitation needs temperature, pressure high.
Description
Technical field
The invention belongs to oil shale recovery technical fields, refer in particular to a kind of generator of in-situ retorting oil shale.
Background technique
World oil reserves are more nervous at present, under the premise of non-renewable petroleum resources are increasingly reduced, Ren Menkai
Beginning goes to sight on oil shale, and oil shale is typically distributed across the position between 500 ~ 1000 meters of underground, and oil shale is in China
Amount of storage is huge, and therefore, oil shale is compared with petroleum, and mining depth is small, reserves are big, is able to solve petroleum to the exploitation of oil shale
The adverse effect that shortage of resources occurs.In-situ retorting technology is generally used to the exploitation of oil shale in the prior art.For example, oily page
Rock original position oil production method (application number is 201510280558.4) this method employs nitrogen as to inject gas, needs in addition to be arranged two
Mouth well carries out building gas and heating respectively, and at the same time carrying out pressure break, but there are complex procedures, effect is unobvious, at high cost etc. to ask
Topic.And gas injection additional electrical heating oil shale in-situ exploitation simulating device and system (application number 201110238982.4) are using heating
Stick and heating muff are heated, and due to oil shale poor thermal conductivity, the heating method low efficiency, energy consumption are high, increase production cost.
So page oil rock in-situ retorting technology is there are the requirement that temperature and pressure is not achieved in winning apparatus at present, production efficiency is low, cost
The problems such as high.The present invention on the basis of generator of original oil exploitation technology (application number is 201621319387.8) carries out
It improves, higher temperature and pressure is adapted it to by the improvement to generator.
Summary of the invention
Purpose of utility model:
The utility model is directed to a kind of generator of in-situ retorting oil shale, to solve winning apparatus in the prior art
Generator poor heat resistance, injection gas and heating carry out the problems such as causing cost to increase respectively.
Technical solution:
A kind of generator of in-situ retorting oil shale, the generator include coiled hair, shell I and shell II, and coiled hair is equipped with point
Firearm, oil inlet, gas tube and oxygen hose, water inlet are positioned close on the shell I of coiled hair side, shell I and double-layer ceramic
Spiral channel is equipped between inner bladder outer wall, water enters the spray chamber inside atomising head by water pipe, and water pipe one end is fixed on shell
II with the junction of shell I, be connected to flow regulator, the water pipe other end is connected to atomising head side through-hole, double-layer ceramic
Combustion chamber one end in liner connects coiled hair, and the other end is equipped with necking bushing, and necking bushing is connect with silencer cover, and atomising head is fixed
On the tail end boss of silencer cover, the orifice for being atomized tail end is connected to mixing chamber, and mixing chamber tail portion is equipped with gas outlet.
Double-layer ceramic liner is divided into internal layer and outer layer；There is gap between cylindric internal layer and outer layer, and internal layer and outer
It is fixedly connected between layer, irregular through-hole is distributed in internal layer.
Atomising head one end of hollow cylindrical is connected to the protrusion square hole of silencer cover tail end, and the other end is equipped with orifice, side
Face is equipped with multiple through-holes, and through-hole is connect with water pipe, and water pipe matches with atomising head side number of openings.
Connectivity part is equipped with flow regulator between shell I and shell II, is equipped with valve energy outside the flow regulator
Enough adjustings for carrying out flow as needed.
Igniter includes shell, cold water pipe, air inlet pipe, convex cathode, concavity anode, insulation sleeve and adapter sleeve；Shell side
Face is equipped with the mounting hole of cold water pipe and air inlet pipe, and cold water pipe is connected to convex cathode hollow space, and air inlet pipe one end is fixed on outer
On shell, the other end connects discharge cavity, and convex cathode upper outside is cased with insulating layer, adapter sleeve, convex are enclosed with outside insulating layer
Cathode is fixed by insulation sleeve and adapter sleeve, and the convex head of convex cathode is arranged in discharge cavity, is concavity sun on the outside of discharge cavity
Pole, concavity anode are fixed on shell side.
Convex cathode using cerium tungsten material is the hollow structure inside that there is a duct in side, and the duct and cold water outlet connect
It connects.
The circumferential angle [alpha] of discharge cavity nozzle is 20 ~ 40 °, and concavity anode radial diameter the widest part radius R is 5 ~ 10mm,
Discharge cavity vent length is 3 ~ 5mm.
Advantage and effect:
The generator of the in-situ retorting oil shale of the utility model, has the following advantages and beneficial effects:
(1) generator of the utility model uses the compound steam heating of high temperature, itself generation of generator is utilized
Heat heats water, becomes vapor by spiral channel, water pipe and atomizer with helicla flute, and adopts in the prior art
It is general to be compared using nitrogen with carbon dioxide gas, have many advantages, such as save the cost, makes full use of waste heat.The utility model
Generator the destruction in recovery process to ecological environment is reduced using in-situ retorting technology for oil shale, i.e., few land occupation,
No tailings waste material without air pollution, few underground water pollution and to the maximum extent reduces the generations of harmful bi-products.
(2) generator of the utility model solves prior art temperature and is only capable of reaching 100 ~ 200 DEG C, 3 ~ 5Mpa of pressure,
300 ~ 500 DEG C, 5 ~ 25Mpa of pressure can be reached using the generator temperature of the utility model, this be existing exploitation petroleum and
Oil shale equipment is not achieved.Promotion for pressure is that the air compressor machine of 25 ~ 40Mpa of selection is realized, and temperature mentions
Rising then is by igniter and to carry out comburant oxygen, realizes that spraying gas reaches 300 ~ 500 DEG C.
(3) igniter of the utility model uses plasma igniter, and the temperature generated compared with common igniter is higher,
Stability is more preferable, can promote higher temperature in a very short period of time, is to exploit page oil rock generator according to in-situ method
For the specified improvement that the requirement that temperature is higher than other mining methods carries out, especially suitable for in-situ retorting page oil rock technology.
(4) using can the special double-layer ceramic liner of high temperature resistant, relatively before alloy liner adapt to higher temperature, shrink
Property it is small, thermal stress variation is small, and for tolerable temperature range in 1800 ~ 2800 degrees centigrades, highest is 300 degrees Celsius tolerable, resistance to height
Warm nature can significantly improve, and bilateral ceramic liner improves service life 6 ~ 10 times compared with original alloy liner, and common resistance to
The ceramic material of high temperature is compared to be designed using double-layer inner containers, not only increases the temperature that heat insulation effect increases combustion chamber, internal layer
Porous design be even more reduce noise pollution, lower noise reduces noise pollution to 20 decibels, for the entirety of generator
Stability also plays good effect.
Detailed description of the invention:
Fig. 1 is the generator diagrammatic cross-section of the utility model；
Fig. 2 is the utility model double-layer ceramic liner schematic diagram；
Fig. 3 is bilateral ceramic liner internal layer schematic diagram；
Fig. 4 is atomising head structural schematic diagram；
Fig. 5 is igniter structure diagrammatic cross-section.
Description of symbols:
1, oil inlet；2, air inlet pipe；3, oxygen hose；4, igniter；5, coiled hair；6, shell I；7, shell II；8, spiral water
Road；9, water inlet；10, double-layer ceramic liner；11, flow regulator；12, combustion chamber；13, silencer cover；14, water pipe；15, mist
Change head；16, mixing chamber；17, gas outlet；18, necking bushing；19, spray chamber；20, shell；21, cold water pipe；22, air inlet pipe；
23, convex cathode；24, concavity anode；25, insulation sleeve；26, adapter sleeve；27, discharge cavity.
Specific embodiment:
The utility model is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of generator of in-situ retorting oil shale, which includes coiled hair 5, shell I 6 and shell
II 7, coiled hair 5, shell I 6 and shell II 7 are fixedly connected by bolt up and down according to this, and combustion chamber, mist are equipped with inside generator
Change room and mixing chamber；Coiled hair 5 is equipped with igniter 4, oil inlet 1, gas tube 3 and oxygen hose 2, and water inlet 9 is positioned close to coiled hair 5
On the shell I 6 of side, spiral channel 8 is equipped between 10 outer wall of shell I 6 and double-layer ceramic liner, water enters mist by water pipe 14
Change the spray chamber 19 inside head 15,14 one end of water pipe is fixed on the junction of shell II 7 Yu shell I 6, with flow regulator 11
Connection, 14 other end of water pipe are connected to 15 side through-hole of atomising head, 12 one end terminal pad of combustion chamber in double-layer ceramic liner 10
First 5, the other end is equipped with necking bushing 18, and necking bushing 18 is connect with silencer cover 13, and combustion chamber temperature is passed by necking bushing 18
It is delivered in silencer cover, silencer cover tail end has a convex square hole, which is connected to atomising head, and atomising head 15 is fixed on silencer cover 13
Tail end boss on, the orifice of 15 tail end of atomising head is connected to mixing chamber 16,16 tail portion of mixing chamber be equipped with gas outlet 17, atomization
Water after heating is directly atomized and is ejected into mixing chamber by high temperature and pressure by room 19.
Wherein, softened water first passes through water inlet 9 and flows by spiral shape sink and the spiral water constituted with double-layer ceramic liner
In road 8, enters in water channel 14 by flow regulator 11, spray chamber 19 is entered by the through-hole of 15 side of atomising head later
It is atomized and is heated, the orifice by being atomized tail end enters mixing chamber 16, finally passes through gas outlet 17 again.Shell shell
I 6 II 7 tail end of close shell has the outlet valve being connected to spiral channel, can when or else needing the water in spiral channel
Directly the water in spiral channel to be expelled directly out.
Oxygen is passed through combustion chamber as needed by the oxygen hose on coiled hair, is traditionally arranged to be 10 ~ 30% excessive oxygen, is reached
To make burn room temperature improve.
As shown in Figures 2 and 3, double-layer ceramic liner is divided into internal layer and outer layer；It has time between cylindric internal layer and outer layer
Gap, and be fixedly connected between internal layer and outer layer, irregular through-hole is distributed in internal layer.The porous design of internal layer not only greatly prolongs
The service life of liner, reduces noise decibel, and high temperature resistant and thermal insulation property are significantly increased, with alloy before
Material liner is compared under conditions of temperature improves, and service life is by being increased to 288 to 480 hours for original 48 hours, more
It is suitble to the demand constructed for a long time.The utility model is generated a large amount of using relevant knowledges such as thermal conduction study and thermodynamics by burning
The gas of high temperature and pressure and by injection oil shale layer in, the tar productivity of oil shale is greatly improved, there is stronger application
Value.But found during practical application, the outer wall of the equipment combustion chamber is easy to happen overheat ablation phenomen, causes to set
It is standby to occur damaging and effectively operating, therefore, liner is improved, liner is made to adapt to higher temperature.
There are gap between internal layer and outer layer, which is 1.5mm ~ 5mm, and gap, which can effectively reduce, expands with heat and contract with cold
The coefficient of expansion, the effective service life for extending double-layer ceramic liner.
Double-layer ceramic liner uses superhigh temperature ceramic material, general to select the ultra-temperature ceramic-based composite wood of continuous fiber reinforcement
Material, toughened zirconia ceramics material, zirconium diboride multiple phase extraordinarily high temperature ceramic material etc..
As shown in figure 4,15 one end of atomising head of hollow cylindrical is connected to the protrusion square hole of 13 tail end of silencer cover, the other end
Equipped with orifice, side is equipped with multiple through-holes, and through-hole is connect with water pipe 14, water pipe and 15 side number of openings phase of atomising head
Match.The through-hole is circumferentially evenly distributed on atomising head 15, and atomising head cylinder can also have screw thread, and the effect of the screw thread is and water pipe
14 match, and multiple water pipes 14 are threadedly secured on the cylindrical surface of atomising head, keep the connection between through-hole.By reality
Testing general through-hole selection 6 ~ 12 is advisable.
Connectivity part is equipped with flow regulator between shell I 6 and shell II 7, is equipped with valve outside the flow regulator
The adjusting of flow can be carried out as needed；The regulating valve uses high temperature resistant regulating valve.
As shown in figure 5, igniter include shell 20, cold water pipe 21, air inlet pipe 22, convex cathode 23, concavity anode 24, absolutely
Edge set 25 and adapter sleeve 26；20 side of shell is equipped with the mounting hole of cold water pipe 21 and air inlet pipe 22, cold water pipe 21 and convex cathode
The connection of 23 hollow spaces, cold water pass through the inside of convex cathode, flow out again from water inlet after cold water is heated, air inlet pipe one end passes through
The air inlet pipe mounting hole of shell passes through, and by being welded and fixed, the other end connects discharge cavity, convex cathode top by convex cathode
Outside is cased with insulating layer, and adapter sleeve, the insulation that adapter sleeve will wrap up outside convex cathode and convex cathode are enclosed with outside insulating layer
Layer is tightly secured in shell, and convex cathode is fixed by insulation sleeve and adapter sleeve, and the convex head setting of convex cathode is being discharged
It is intracavitary, it is concavity anode on the outside of discharge cavity, the upper and lower ends radial direction hollow diameters of concavity cathode are less than intermediate diameter, this is practical
Novel concavity anode expands discharge cavity, while reducing in nozzle, improves firing temperature, adds the raising rate of temperature
Fastly, concavity anode is fixed on shell side, and the service life is longer for the concavity anode.
The igniter uses Plasma Firing Technology, the external DC current of the igniter, generally 280 ~ 350V medium gas
It is pressed in contacting ignition arc under 0.01 ~ 0.03Mpa, which improves service efficiency, heating speed compared with existing igniter
Faster, and more efficiently, simply, safety is higher for rate.
There is a hole link inner hollow using the convex cathode side of cerium tungsten material, which connect with cold water pipe.It should
Duct and cold water pipe are sealed processing.The service life of cathode, and convex yin are effectively extended as cathode using cerium tungsten material
Just there are two tips for pole, equally also improve the service life of cathode.Consistency of thickness inside and outside convex cathode convex position, cold water into
Convex position temperature can be kept uniform after entering.
The cerium tungsten material tolerable temperature of use is higher, there is splendid arc starting performance.
The circumferential angle [alpha] of discharge cavity nozzle is 20 ~ 40 °, and concavity anode radial diameter the widest part radius R is 5 ~ 10mm,
Discharge cavity vent length is 3 ~ 5mm.Show that most preferably discharge cavity nozzle circumferential direction angle [alpha] is 25 ° in conjunction with a large number of experiments, it is recessed
Shape cathode radial diameter the widest part radius R is 6 mm, 4 mm of discharge cavity vent length.
The exploitation effect of shale oil in oil shale can be increased substantially using the utility model in-situ retorting oil shale generator
Rate, while also proposed a kind of production technique for solving oil shale, the prior art is still in theoretical rank for the exploitation of oil shale
The amount of section, actually the page oil rock exploitation in China is not high.
Claims (7)
1. a kind of generator of in-situ retorting oil shale, which includes coiled hair (5), shell I (6) and shell II (7), spy
Sign is: coiled hair is equipped with igniter (4), oil inlet (1), gas tube (3) and oxygen hose (2), water inlet (9) and is positioned close to disk
On the shell I (6) of head (5) side, spiral channel (8) are equipped between shell I (6) and double-layer ceramic liner (10) outer wall, water is logical
Water pipe (14) spray chamber (19) internal into atomising head (15) is crossed, water pipe (14) one end is fixed on shell II (7) and shell I
(6) junction is connected to flow regulator (11), and water pipe (14) other end is connected to atomising head (15) side through-hole, double
Combustion chamber (12) one end in layer ceramic liner (10) connects coiled hair (5), and the other end is equipped with necking bushing (18), necking bushing
(18) it is connect with silencer cover (13), atomising head (15) is fixed on the tail end boss of silencer cover (13), atomising head (15) tail end
Orifice is connected to mixing chamber (16), and mixing chamber (16) tail portion is equipped with gas outlet (17).
2. the generator of in-situ retorting oil shale according to claim 1, it is characterised in that: double-layer ceramic liner (10) point
For internal layer and outer layer；There is gap between cylindric internal layer and outer layer, and is fixedly connected between internal layer and outer layer, internal layer distribution
There is irregular through-hole.
3. the generator of in-situ retorting oil shale according to claim 1, it is characterised in that: the atomising head of hollow cylindrical
(15) one end is connected to the protrusion square hole of silencer cover (13) tail end, and the other end is equipped with orifice, and side is equipped with multiple through-holes, through-hole
It is connect with water pipe (14), water pipe matches with atomising head (15) side number of openings.
4. the generator of in-situ retorting oil shale according to claim 1, it is characterised in that: shell I (6) and shell II
(7) connectivity part is equipped with flow regulator (11) between, and being equipped with valve outside the flow regulator (11) can be as needed
Carry out the adjusting of flow.
5. the generator of in-situ retorting oil shale according to claim 1, it is characterised in that: igniter includes shell
(20), cold water pipe (21), air inlet pipe (22), convex cathode (23), concavity anode (24), insulation sleeve (25) and adapter sleeve (26)；
Shell (20) side is equipped with the mounting hole of cold water pipe (21) and air inlet pipe (22), cold water pipe (21) and convex cathode (23) hollow portion
Divide connection, air inlet pipe (22) one end is fixed on shell (20), and the other end connects discharge cavity (27), outside convex cathode (23) top
Side is cased with insulation sleeve (25), is enclosed with adapter sleeve (26) outside insulation sleeve (25), convex cathode (23) by insulation sleeve (25) and
Adapter sleeve (26) is fixed, and the convex head setting of convex cathode (23) is concavity sun in discharge cavity (27), on the outside of discharge cavity (27)
Pole (24), concavity anode (24) are fixed on shell (20) side.
6. the generator of in-situ retorting oil shale according to claim 5, it is characterised in that: using the convex of cerium tungsten material
Cathode (23) is the hollow structure inside that there is a duct in side, which connect with cold water outlet.
7. the generator of in-situ retorting oil shale according to claim 5, it is characterised in that: the circumferential direction of discharge cavity nozzle
Angle [alpha] is 20 ~ 40 °, and concavity anode radial diameter the widest part radius R is 5 ~ 10mm, and discharge cavity vent length is 3 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820926221.5U CN208473824U (en) | 2018-06-15 | 2018-06-15 | A kind of generator of in-situ retorting oil shale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820926221.5U CN208473824U (en) | 2018-06-15 | 2018-06-15 | A kind of generator of in-situ retorting oil shale |
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| Publication Number | Publication Date |
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| CN208473824U true CN208473824U (en) | 2019-02-05 |
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| CN201820926221.5U Active CN208473824U (en) | 2018-06-15 | 2018-06-15 | A kind of generator of in-situ retorting oil shale |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561108A (en) * | 2018-06-15 | 2018-09-21 | 邵洪伟 | A kind of generator of in-situ retorting oil shale |
-
2018
- 2018-06-15 CN CN201820926221.5U patent/CN208473824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561108A (en) * | 2018-06-15 | 2018-09-21 | 邵洪伟 | A kind of generator of in-situ retorting oil shale |
| CN108561108B (en) * | 2018-06-15 | 2024-05-14 | 邵洪伟 | Generator for in-situ oil extraction shale |
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