CN110441470A - The excessive detection device of gas and paraffin cutting equipment - Google Patents
The excessive detection device of gas and paraffin cutting equipment Download PDFInfo
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- CN110441470A CN110441470A CN201810419078.5A CN201810419078A CN110441470A CN 110441470 A CN110441470 A CN 110441470A CN 201810419078 A CN201810419078 A CN 201810419078A CN 110441470 A CN110441470 A CN 110441470A
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- pod
- gas
- lubricator
- detection device
- detecting instrument
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 239000012188 paraffin wax Substances 0.000 title claims description 25
- 238000005520 cutting process Methods 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims abstract description 194
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 52
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 7
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical group O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000000565 sealant Substances 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 57
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 54
- 230000008859 change Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 21
- 238000007789 sealing Methods 0.000 description 14
- 239000001993 wax Substances 0.000 description 14
- 229910001220 stainless steel Inorganic materials 0.000 description 11
- 239000010935 stainless steel Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003129 oil well Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000019771 cognition Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004589 rubber sealant Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910000939 field's metal Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Geochemistry & Mineralogy (AREA)
- Emergency Management (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of excessive detection device of gas.Including pod and gas detecting instrument；Wherein, gas detecting instrument is located on the outside of pod, and pod is arranged on lubricator, and is provide with the apex zone of lubricator, to accommodate the gas of lubricator top spilling；The top end opening of pod, with the top of open lubricator, the outer wall lower surface of pod is downwardly projecting, pressure difference is formed between the air-flow below water conservancy diversion cover outer wall lower surface to flow through the air-flow of the top end of pod and flow through, the through-hole inside and outside connection pod is offered on pod, through-hole and gas detecting instrument are opposite, for guiding the gas in pod under the action of pressure difference to gas detecting instrument.Realize to during Well wax scraper at the blowout prevention seal of tube excessive hydrogen sulfide gas carry out water conservancy diversion detection and and alarm function, even if H2S detector still can alarm to the excessive situation of hydrogen sulfide occurred at lubricator to guarantee to be influenced by change of the wind.
Description
Technical field
The present invention relates to petroleum paraffin cutting technical field more particularly to a kind of excessive detection devices of gas and paraffin cutting equipment.
Background technique
For the crude oil dissolved with a certain amount of paraffin, in recovery process, with temperature, the analysis of the reduction of pressure and gas
Out, there is so-called wax deposition phenomenon.Wax deposition can block oil-producing formation, reduce oil well output, while also will increase oil well load, cause
Production accident.Existing dewaxing method mainly uses mechanical paraffin removal, hot-washing wax remover and paraffin removing with chemical method etc., wherein mechanical paraffin removal is
Refer to and strike off the wax on tubing wall with special tool, and wax is brought to the dewaxing method on ground by liquid stream.It is used in flowing well
Paraffin removal tool mainly have a paraffin scraper, paraffin cutting equipment enters inside oil well by lubricator, by rubber by steel at the top of lubricator
Silk is embraced into sealing function is played, and prevents borehole fluid from overflowing.Contain hydrogen sulfide gas, and sulphur due to different degrees of in oil field
Changing hydrogen has severe toxicity, can be detrimental to health, strong corrosion oil field metal equipment, and reaches when hydrogen sulfide gas mixes with air
When to certain proportion, explosion can be generated, there are larger security risks, therefore also need to pay close attention in Well wax scraper work progress anti-
It whether there is the excessive problem of hydrogen sulfide at jet pipe sealing.
It is usually to use H2S detector is excessive to hydrogen sulfide to check in high sulfur-bearing area, conventional detection side
Method is that H2S detector is directly fixed on blowout prevention nozzle to detect.
But in actual operation, due to being influenced by change of the wind, H2S detector is fixed on a certain position not
Situation and alarm easily excessive to the hydrogen sulfide occurred at lubricator.
Summary of the invention
The present invention provides a kind of excessive detection device of gas and paraffin cutting equipment, can at lubricator hydrogen sulfide gas it is excessive
When, the gas in pod is guided to gas detecting instrument.
The embodiment of the present invention provides a kind of excessive detection device of gas and paraffin cutting equipment, including pod and gas detection
Instrument；
Wherein, gas detecting instrument is located on the outside of pod, and pod is arranged on lubricator, and is provide with the top of lubricator
Region, to accommodate the gas of lubricator top spilling；
The top end opening of pod, with the top of open lubricator, the outer wall lower surface of pod is downwardly projecting, so that stream
It the air-flow of top end through pod and flows through and forms pressure difference, pod between air-flow below water conservancy diversion cover outer wall lower surface
On offer connection pod inside and outside through-hole, through-hole and gas detecting instrument are opposite, for the gas in pod to exist
It guides under the action of pressure difference to gas detecting instrument.
The excessive detection device of gas provided by the invention, by being arranged gas detecting instrument on the outside of pod, pod
It is arranged on lubricator, and is provide with the apex zone of lubricator, accommodates the gas of lubricator top spilling；The top of pod
Opening, with the top of open lubricator, the outer wall lower surface of pod is downwardly projecting, to flow through the top end of pod
It air-flow and flows through and forms pressure difference between air-flow below water conservancy diversion cover outer wall lower surface, offered on pod in connection pod
The through-hole of outer two sides, through-hole and gas detecting instrument are opposite, for the gas in pod is guided under the action of pressure difference to
Gas detecting instrument realizes and carries out water conservancy diversion detection to hydrogen sulfide gas excessive at the blowout prevention seal of tube in Well wax scraper work progress
And and alarm function, even if thus guarantee influenced by change of the wind, H2S detector still can be inerrably right
The excessive situation of the hydrogen sulfide occurred at lubricator is alarmed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the excessive detection device of gas that the embodiment of the present invention one provides；
Fig. 2 is the water conservancy diversion schematic illustration for the excessive detection device of gas that the embodiment of the present invention one provides；
Fig. 3 is gas flowing signal of the excessive detection device of gas that provides of the embodiment of the present invention one in calm or weak wind
Figure；
Fig. 4 is gas flow schematic diagram of the excessive detection device of gas that provides of the embodiment of the present invention one when wind-force is big；
Fig. 5 is the structural schematic diagram of the excessive detection device of gas provided by Embodiment 2 of the present invention.
Description of symbols:
1: lubricator；
2: pod；
21: top；
22: outer wall lower surface；
3: gas detecting instrument；
4: through-hole；
5: cyclic annular mounting portion；
51: elastic card；
6: fixed bracket；
61: flexible clamp piece；
7: fixed ring；
8: connecting bracket；
9: Stainless-steel space grids.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is the structural schematic diagram for the excessive detection device of gas that the embodiment of the present invention one provides, and Fig. 2 is that the present invention is implemented
The water conservancy diversion schematic illustration for the excessive detection device of gas that example one provides, Fig. 3 are that the gas that the embodiment of the present invention one provides is excessive
Gas flow schematic diagram of the detection device in calm or weak wind, Fig. 4 are the excessive detection of gas that the embodiment of the present invention one provides
Gas flow schematic diagram of the device when wind-force is big.As shown in Figs 1-4, the excessive detection device of gas provided in this embodiment, is answered
For the lubricator 1 of paraffin cutting equipment, specifically, as shown in Figure 1, including pod 2 and gas detecting instrument 3, wherein
Gas detecting instrument 3 is located at 2 outside of pod, and pod 2 is arranged on lubricator 1, and is provide with the top of lubricator 1
Region, generally during mechanical paraffin removal, paraffin cutting equipment enters inside oil well by lubricator 1, and rubber is relied at the top of lubricator 1
By steel wire packet into sealing, in order to detect the quality of sealing effect, prevent as sealing effect it is bad caused by have poison gas
Pod 2 is located at the seal of 1 apex zone of lubricator in the present embodiment by the excessive problem of body hydrogen sulfide, to accommodate
The gas overflowed at 1 end sealing mouth of lubricator.
The top 21 of pod 2 is open, and with the top of open lubricator 1, guarantees that the air at 1 seal of lubricator is stream
Logical, the outer wall lower surface of pod 2 is downwardly projecting, to flow through the air-flow of overthe openings and flow through 2 outer wall following table of pod
Pressure difference is formed between the air-flow of 22 lower section of face, pod 2 offers the through-hole 4 inside and outside connection pod 2,4 He of through-hole
Gas detecting instrument 3 is opposite, for guiding the gas in pod 2 under the action of pressure difference to gas detecting instrument 3.
The water conservancy diversion principle of pod 2 is based on two hydrodynamics theorems in the present embodiment: continuity theorem and Bernoulli Jacob
Theorem:
The principle of continuity describes the relationship of flow velocity and channel cross-sectional area size when fluid flows through the channel of different cross section,
The big local flow velocity of channel cross-sectional area is small, and the small local flow velocity of channel cross-sectional area is big.As shown in Fig. 2, by leading in the present embodiment
Stream cover 2 is placed in a channel, it is equal away from the distance L1 and L2 above and below vias inner walls to make the top 21 of pod 2, therefore gas exists
During circulating in channel, since the outer wall lower surface 22 of pod 2 is downwardly projecting, 21 top of top of pod 2 is flowed through
The sectional area that circulates relative to the gas f 2 for the lower section of outer wall lower surface 22 for flowing through pod 2 of the sectional area S1 that circulates of gas f 1
S2 is big, thus, the flow velocity of the gas f 1 of 21 top of top of pod 2 is flowed through relative to the outer wall following table for flowing through pod 2
2 flow velocity of gas f of 22 lower section of face wants small.
Combine Bernoulli's theorem again, by that can not press, Bernoulli's theorem of perfect fluid when making Steady Flow along flow tube know, flow
Dynamic speed increases, and the static pressure of fluid will reduce；Conversely, flowing velocity reduces, the static pressure of fluid will increase.So flowing through water conservancy diversion
Cover pressure of the pressure of the gas f 1 of 2 top, 21 top relative to the gas f 2 below the outer wall lower surface 22 for flowing through pod 2
It is big, to flow through the air-flow of 2 top of pod, 21 top and flow through between the air-flow below 2 outer wall lower surface of pod 22
Pressure difference is formed, under the action of the pressure difference, the gas in pod 2 is sucked into the gas opposite with through-hole 4 by through-hole 4
In body detector 3, in Fig. 2, d indicates the direction of suction.
Further, since the density of hydrogen sulfide is greater than the density of air, so being overflowed outside from the seal of lubricator 1
The stink damp cognition come is sunk in pod 2 automatically, thus by the pressure difference between downstream on pod 2, vulcanization
Hydrogen is sucked into the gas detecting instrument 3 opposite with through-hole 4.
Wherein, the excessive detection device of gas that the present embodiment one provides is there are two types of working condition: calm or weak wind condition and
Situation when wind-force is larger:
When calm or weak wind, as shown in figure 3, hydrogen sulfide gas can be automatically towards in pod 2 due to self gravity
Portion's dissipation, finally flows to gas detecting instrument 3 from through-hole 4.
When wind-force is larger, as shown in figure 4, stink damp, which is known from experience, is drawn into gas under the water conservancy diversion principle effect of pod 2
In body detector 3, even if wind direction is not towards the position where gas detecting instrument 3, hydrogen sulfide gas also can be in the work of pressure difference
The inside of pod 2 is initially entered under, finally flows to gas detecting instrument 3 from through-hole 4.
As can be seen that the excessive detection device of gas provided in this embodiment is either in calm or weak wind condition or wind-force
When larger, hydrogen sulfide gas all can flow to gas detecting instrument 3 from the through-hole 4 of pod 2, and no longer by the shadow of wind direction
Ring, greatly improve the accuracy of detection, it is therefore prevented that as wind direction influence and caused by even if having toxic gas spilling
The case where can't detect can at the first time examine the excessive situation of hydrogen sulfide at lubricator 1 in wax removal test jobs
It surveys, improves operational security.
It should be noted that the excessive detection device of gas provided in this embodiment can be not only used for making in the wax removal of oil well
In the excessive detection of hydrogen sulfide gas in industry at lubricator, can be also used for whether having at the seal to other sealing devices
Specific gas spilling is detected, to test sealing effect, moreover, the excessive detection device of gas provided in this embodiment
The water conservancy diversion for being also applied to the excessive gas of open device is used, and the direction for keeping excessive gas flow specified facilitates subsequent processing,
There is certain enlightenment for the improvement of atmosphere pollution and help operation.
Optionally, on the basis of the above embodiments, in the present embodiment, in order to guarantee the air of the top of pod 2 from appointing
Where all do not stop to flowing through, the edge that the top 21 of pod 2 is open is located in identical height level.
Optionally, on the basis of the above embodiments, in the present embodiment, the outer wall lower surface 22 of pod be it is hemispherical or
Ellipsoid selects this kind of shape easy to process, and the excessive detection device of gas provided in this embodiment may be convex under other
Streamlined structure, as long as the outer wall lower surface 22 for meeting above-mentioned pod 2 is downwardly projecting.
Optionally, the thickness of pod 2 can be any thickness, can be selected according to the actual situation, likewise, water conservancy diversion
The range of choice of the material of cover 2 is also bigger, as long as guaranteeing that selected material is easy to process, is not easy the gas attack being spilled off
Fall.
Further, on the basis of the above embodiments, in the present embodiment, the bottom end opening of pod 2, and opening connects
It is connected to a cyclic annular mounting portion 5, which is to be tightly connected, and guarantees that the gas flowed into pod 2 will not be from pod 2
Bottom end opening and the junction of cyclic annular mounting portion 5 flow out, to realize purpose of the pod 2 by gas to assigned direction water conservancy diversion,
Specifically, pod 2 can be integrally formed with cyclic annular mounting portion 5, can also be sealedly connected by modes such as welding.
When pod 2 and cyclic annular mounting portion 5 are integrated, can be made of integrally formed mode, such as
It is molded with using plastics or other fusible materials by mold, or can use the rapid shaping techniques such as 3D printing technique
It is made, furthermore also can use sheet metal technique, a monolith thin metal plate is integral metal plate by being punched or bending to
Golden part.
Optionally, the bottom end opening of pod 2 can be connect with the top of cyclic annular mounting portion 5, can also be installed with ring-type
Any one position at the top in portion 5 to middle part connects.
When the steam contained in gas to be detected is more, the bottom end opening of pod 2 and the top of cyclic annular mounting portion 5 are selected
The position connection to middle part is held, an accommodation groove can be formed in the bottom end inside pod 2, facilitated diffusing to water conservancy diversion
The liquid such as the steam in cover 2 are collected, in order to avoid liquid is seeped into the junction of cyclic annular mounting portion 5 and lubricator 2, influence equipment
Service life, and air-tightness is damaged, in the present embodiment, the top of the bottom end opening and cyclic annular mounting portion 5 that select pod 2 connects
The connection type connect.
On the basis of the above embodiments, in the present embodiment, cyclic annular mounting portion 5 is set in the outside of lubricator 1, ring-type peace
The inner edge in dress portion 5 and the outer wall contact of lubricator 1, the inner edge of the ring-type mounting portion 5 can be with the outer circumference surface radian of lubricator 1
It is consistent, so that the ring-type mounting portion 5 can be closely adhered on the outer circumference surface of lubricator 1.
Optionally, in order to guarantee the air-tightness of fitting, the outer circumference surface of the inner edge of the ring-type mounting portion 5 and lubricator 1 is also
Can there are other help attachmentes for being bonded with pipeline outer circumference surface to be detected of the faces or a design, in the present embodiment, cyclic annular mounting portion 5
Inner edge be rubber sealant.
In order to which cyclic annular mounting portion 5 to be fixed on above lubricator 1, screw thread mouth can be opened on cyclic annular mounting portion 5, pass through spiral shell
Bolt tightens cyclic annular mounting portion 5, can also be by the way of being similar to pipe jointer, in the peripheral side of cyclic annular mounting portion 5
It is provided with 1-2 bolt, after cyclic annular mounting portion 5 is set on lubricator 1, it is only necessary to which tightening bolt by side can will be cyclic annular
Mounting portion 5 is fixed on lubricator 1.
The excessive detection device of gas provided by the present embodiment further includes fixed bracket 6, and fixed bracket 6 includes fixed ring 7
With connecting bracket 8, fixed ring 7 is set on lubricator 1, and one end of connecting bracket 8 is connect with fixed ring 7, and the other end is for setting
Gas detecting instrument 3 is set, the fixed form that fixed ring 7 is fixed on lubricator 1 and cyclic annular mounting portion 5 are fixed on lubricator 1
Fixed form is identical, can open screw thread mouth in fixed ring 7, is tightened fixed ring 7 by bolt, can also be managed using being similar to
The peripheral side of the mode of road connector, fixed ring 7 is provided with bolt, when fixed ring 7 is set in the position specified on lubricator 1
Afterwards, it is only necessary to which tightening the bolt by side can be fixed on fixed ring 7 on lubricator 1.
Connection relationship between fixed ring 7 and connecting bracket 8 can choose diversified forms, as long as guaranteeing fixed ring 7 and connecting
The connection connect between bracket 8 is reliable.Such as: the fixed ring 7 and connecting bracket 8 of the fixation bracket 6 can be fixed company
Mode is connect, may be detachable connection type between fixed ring 7 and connecting bracket 8.
When fixed ring 7 and connecting bracket 8 are fixed connection type, can also be used by the way of welding
Integrally formed mode is made.
It may be detachable connection type between fixed ring 7 and connecting bracket 8, fixed bracket 6 be installed in this way
When on lubricator 1, it is only necessary to connecting bracket 8 is mounted in fixed ring 7 again after first fixing fixed ring 7, this
It is also easily convenient that sample installation personnel installs, and is completed, also facilitates when needing to remove.Meanwhile if encountering single fixation
The case where ring 7 or connecting bracket 8 are damaged, can also only replace out of order component, and retain other parts, can subtract in this way
The maintenance cost of few fixation bracket 6.
When being detachable connection type between the fixed ring 7 and connecting bracket 8 of fixed bracket 6, in fixed ring 7 and even
Connecing can be using a variety of fixed form such as threaded connection or buckle-type connection between one end of bracket 8.
When between fixed ring 7 and one end of connecting bracket 8 to be threadedly coupled, it may be provided at least two in fixed ring 7
The compatible auricle with the periphery of fixed ring 7 has can be set in first threaded hole, one end two sides of connecting bracket 8, on auricle with
The position that first corresponding threaded holes close opens up the second threaded hole, and the number of the second threaded hole is identical as the number of the first threaded hole,
The auricle in connecting bracket 8 is tightened in fixed ring 7 by screw, thus connecting bracket 8 can be fixed on fixed ring 7
It is upper.
Buckle-type connection can also be used between fixed ring 7 and connecting bracket 8, respectively in fixed ring 7 and the one of connecting bracket 8
The buckle that can be mutually interlocked is set on end, the Fast Installation of fixed ring 7 and connecting bracket 8 may be implemented in this way and quickly tear open
It unloads.
Connecting bracket 8 can be made various structures, such as rectangle or circle can be made in the cross section of connecting bracket 8
Shape can be selected according to connection type used between fixed ring 7 and connecting bracket 8.
The excessive detection device of gas provided by the present embodiment, the other end of connecting bracket 8 is for being arranged gas detecting instrument
3, specifically, the device of setting gas detecting instrument 3 is the barreled structure for being provided with double-layer stainless steel rack 9, upper layer is not
Rust Elements of Space Grid Truss 9 for placing gas detecting instrument 3, the Stainless-steel space grids 9 of lower layer for placing gas filter plant, in this way, when to
Detection gas first pass through gas detecting instrument 3 and detect to the test substance in gas, then pass through after flowing out in through-hole 4
Gas filter plant carries out resolution process to substance to be treated in gas such as noxious material, it is prevented to be diffused into atmosphere
It causes damages.
Optionally, the other end of connecting bracket 8 can be connect with the Stainless-steel space grids 9 of lower layer, can also be with barreled structure
Lateral wall connection, two kinds of connection types can choose diversified forms, as long as guaranteeing device and the company of setting gas detecting instrument 3
The connection for connecing bracket 8 is reliable, in the present embodiment, can carry out with reference to the connection type between fixed ring 7 and connecting bracket 8
Selection.
In the present embodiment, gas detecting instrument 3 is H2S detector, and aerobic in the setting of the lower section of the H2S detector
Change iron desulfurizing agent.In this way, whether H2S detector can detecte contains sulphur from the gas flowed out in the through-hole 4 of pod 2
Change hydrogen, if so, then prompting staff to have hydrogen sulfide gas spilling, the gas being tested by alarm equipment alarm
By the ferric oxide desulfurizer below the flow direction of Stainless-steel space grids 9 of 3 lower section of gas detecting instrument and hydrogen sulfide gas point can be carried out
Desulfurization process is solved, is finally discharged into air again, to reduce hydrogen sulfide gas pollution caused by air.
Optionally, it after ferric oxide desulfurizer is packed with ventilative chamber or ventilative cloth bag, is placed on Stainless-steel space grids 9.Every time
When H2S detector alarm when check ferric oxide desulfurizer whether blackening, can be made by way of drying its turn yellow after followed by
It is continuous to use.
The excessive detection of gas provided in the present embodiment for being detected to hydrogen sulfide gas excessive at lubricator
Device, by being arranged gas detecting instrument on the outside of pod, pod is arranged on lubricator, and is provide with the top of lubricator
Region, to accommodate the gas of lubricator top spilling；The top end opening of pod, with the top of open lubricator, pod
Outer wall lower surface is downwardly projecting, to flow through the air-flow of the top end of pod and flow through below water conservancy diversion cover outer wall lower surface
Pressure difference is formed between air-flow, and the through-hole inside and outside connection pod, through-hole and gas detecting instrument phase are offered on pod
It is right, for guiding the gas in pod under the action of pressure difference to gas detecting instrument, realizing and constructing to Well wax scraper
In the process at the blowout prevention seal of tube excessive hydrogen sulfide gas carry out water conservancy diversion detection and and alarm function, even if thus guarantee by
To the influence of change of the wind, situation that H2S detector still can be inerrably excessive to the hydrogen sulfide occurred at lubricator and
Alarm.
Embodiment two
Fig. 5 is the structural schematic diagram of the excessive detection device of gas provided by Embodiment 2 of the present invention.It is provided in this embodiment
The excessive detection device of gas, applied on the lubricator 1 of paraffin cutting equipment, specifically, as shown in figure 5, including pod 2 and gas
Detector 3, wherein
Gas detecting instrument 3 is located at 2 outside of pod, and pod 2 is arranged on lubricator 1, and is provide with the top of lubricator 1
Region, generally during mechanical paraffin removal, paraffin cutting equipment enters inside oil well by lubricator 1, and rubber is relied at the top of lubricator 1
By steel wire packet into sealing, in order to detect the quality of sealing effect, prevent as sealing effect it is bad caused by have poison gas
Pod 2 is located at the seal of 1 apex zone of lubricator in the present embodiment by the excessive problem of body hydrogen sulfide, to accommodate
The gas overflowed at 1 end sealing mouth of lubricator.
The upper end opening of pod 2 guarantees that the air at 1 seal of lubricator is circulation with the top of open lubricator 1
, the outer wall lower surface of pod 2 is downwardly projecting, to flow through the air-flow of overthe openings and flow through below 2 outer wall of pod
Pressure difference is formed between air-flow, pod 2 offers the through-hole 4 inside and outside connection pod 2, through-hole 4 and gas detecting instrument 3
Relatively, for guiding the gas in pod 2 under the action of pressure difference to gas detecting instrument 3.
Further, since the density of hydrogen sulfide is greater than the density of air, so being overflowed outside from the seal of lubricator 1
The stink damp cognition come is sunk in pod 2 automatically, thus by the pressure difference between downstream on pod 2, vulcanization
Hydrogen is sucked into the gas detecting instrument 3 opposite with through-hole 4.
Wherein, the working principle and phase described in embodiment one for the excessive detection device of gas that the present embodiment two provides
Together, equally, the excessive detection device of gas that the present embodiment two provides also can be in calm or weak wind condition and larger wind-force
Play the role of water conservancy diversion hydrogen sulfide gas, to greatly improve the accuracy of detection, it is therefore prevented that due to wind direction influence and
Caused by even if having toxic gas spilling can't detect the case where, can at the first time to blowout prevention in wax removal test jobs
The excessive situation of hydrogen sulfide is detected at pipe 1, improves operational security.
It should be noted that the excessive detection device of gas provided in this embodiment can be not only used for making in the wax removal of oil well
In the excessive detection of hydrogen sulfide gas in industry at lubricator, can be also used for whether having at the seal to other sealing devices
Specific gas spilling is detected, to test sealing effect, moreover, the excessive detection device of gas provided in this embodiment
The water conservancy diversion for being also applied to the excessive gas of open device is used, and the direction for keeping excessive gas flow specified facilitates subsequent processing,
There is certain enlightenment for the improvement of atmosphere pollution and help operation.
Optionally, on the basis of the above embodiments, in the present embodiment, in order to guarantee the air of the top of pod 2 from appointing
Where all do not stop to flowing through, the upper end-face edge of pod 2 is located in identical height level.
Optionally, on the basis of the above embodiments, in the present embodiment, the outer wall lower surface of pod is hemispherical or ellipse
It is spherical, select this kind of shape easy to process, the excessive detection device of gas provided in this embodiment may be stream convex under other
Linear structure, as long as the outer wall lower surface for meeting above-mentioned pod 2 is downwardly projecting.
Optionally, the thickness of pod 2 can be any thickness, can be selected according to the actual situation, likewise, water conservancy diversion
The range of choice of the material of cover 2 is also bigger, as long as guaranteeing that selected material is easy to process, is not easy the gas attack being spilled off
Fall.
Further, on the basis of the above embodiments, in the present embodiment, the bottom end opening of pod 2, and opening connects
It is connected to a cyclic annular mounting portion 5, which is to be tightly connected, and guarantees that the gas flowed into pod 2 will not be from pod 2
Bottom end opening and the junction of cyclic annular mounting portion 5 flow out, to realize purpose of the pod 2 by gas to assigned direction water conservancy diversion,
Specifically, pod 2 can be integrally formed with cyclic annular mounting portion 5, can also be sealedly connected by modes such as welding.
When pod 2 and cyclic annular mounting portion 5 are integrated, can be made of integrally formed mode, such as
It is molded with using plastics or other fusible materials by mold, or can use the rapid shaping techniques such as 3D printing technique
It is made, furthermore also can use sheet metal technique, a monolith thin metal plate is integral metal plate by being punched or bending to
Golden part.
Optionally, the bottom end opening of pod 2 can be connect with the top of cyclic annular mounting portion 5, can also be installed with ring-type
Any one position at the top in portion 5 to middle part connects.
When the steam contained in gas to be detected is more, the bottom end opening of pod 2 and the top of cyclic annular mounting portion 5 are selected
The position connection to middle part is held, an accommodation groove can be formed in the bottom end inside pod 2, facilitated diffusing to water conservancy diversion
The liquid such as the steam in cover 2 are collected, in order to avoid liquid is seeped into the junction of cyclic annular mounting portion 5 and lubricator 2, influence equipment
Service life, and air-tightness is damaged, in the present embodiment, the bottom end opening of pod 2 and the top of cyclic annular mounting portion 5 is selected to arrive
The connection type of one position connection at middle part.
On the basis of the above embodiments, in the present embodiment, cyclic annular mounting portion 5 is set in the outside of lubricator 1, ring-type peace
The inner edge in dress portion 5 and the outer wall contact of lubricator 1, the inner edge of the ring-type mounting portion 5 can be with the outer circumference surface radian of lubricator 1
It is consistent, so that the ring-type mounting portion 5 can be closely adhered on the outer circumference surface of lubricator 1.
Optionally, in order to guarantee the air-tightness of fitting, the outer circumference surface of the inner edge of the ring-type mounting portion 5 and lubricator 1 is also
Can there are other help attachmentes for being bonded with pipeline outer circumference surface to be detected of the faces or a design, in the present embodiment, cyclic annular mounting portion 5
Inner edge be rubber sealant.
In order to which cyclic annular mounting portion 5 to be fixed on above lubricator 1, screw thread mouth can be opened on cyclic annular mounting portion 5, pass through spiral shell
Bolt tightens cyclic annular mounting portion 5, can also be by the way of being similar to pipe jointer, in the peripheral side of cyclic annular mounting portion 5
It is provided with 1-2 bolt, after cyclic annular mounting portion 5 is set on lubricator 1, it is only necessary to which tightening bolt by side can will be cyclic annular
Mounting portion 5 is fixed on lubricator 1.
The excessive detection device of gas provided by the present embodiment further includes fixed bracket 6, and one end of fixed bracket 6 is fixed
The other end in the outside of cyclic annular 5 lower end of mounting portion, fixed bracket 6 is connect with gas detecting instrument 3, and fixed bracket 6 is fixed on ring
Fixed form on shape mounting portion 5 can choose diversified forms, as long as guaranteeing the company between fixed bracket 6 and cyclic annular mounting portion 5
It connects reliable.Such as: the fixation bracket 6 and cyclic annular mounting portion 5 can be fixed connection type, fixed bracket 6 and ring-type
It may be detachable connection type between mounting portion 5.
When fixed bracket 6 and cyclic annular mounting portion 5 are fixed connection type, can be using welding by the way of, can also be with
It is made of integrally formed mode.
It may be detachable connection type between fixed bracket 6 and cyclic annular mounting portion 5, in this way by cyclic annular mounting portion
5 fix after fixed bracket 6 is mounted on cyclic annular mounting portion 5 again, it is also easily convenient that such installation personnel installs, and surveys
Examination finishes, and also facilitates when needing to remove.
When being detachable connection type between fixed bracket 6 and cyclic annular mounting portion 5, in cyclic annular mounting portion 5 and fix
It can be using a variety of fixed forms such as threaded connection or buckle-type connection between one end of bracket 6.
Optionally, the flexible clamp piece 61 can be stuck in ring in the flexible clamp piece 61 of one end setting round of fixed bracket 6
The periphery of shape mounting portion 5 is loaded and unloaded very convenient.Meanwhile being firmly fixed on cyclic annular mounting portion 5 in order to which bracket 6 will be fixed,
Multiple elastic cards 51 that can be pressed in flexible clamp piece 61 on cyclic annular 5 surface of mounting portion can be set on cyclic annular mounting portion 5,
In this way, the detachable connection between fixed bracket 6 and cyclic annular mounting portion 5 can be completed easily.It is selected in the present embodiment
That select is exactly this connection side that bracket 6 and cyclic annular mounting portion 5 are connected and fixed by flexible clamp piece 61 and multiple elastic cards 51
The Fast Installation for fixing bracket 6 and cyclic annular mounting portion 5 and fast quick-detach may be implemented in formula in this way.
The excessive detection device of gas provided by the present embodiment, the other end of fixed bracket 6 is for being arranged gas detecting instrument
3, specifically, the device of setting gas detecting instrument 3 is the barreled structure for being provided with double-layer stainless steel rack 9, upper layer is not
Rust Elements of Space Grid Truss 9 for placing gas detecting instrument 3, the Stainless-steel space grids 9 of lower layer for placing gas filter plant, in this way, when to
Detection gas first pass through gas detecting instrument 3 and detect to the test substance in gas, then pass through after flowing out in through-hole 4
Gas filter plant carries out resolution process to substance to be treated in gas such as noxious material, it is prevented to be diffused into atmosphere
It causes damages.
Optionally, the other end of fixed bracket 6 can be connect with the Stainless-steel space grids 9 of lower layer, can also be with barreled structure
Lateral wall connection, two kinds of connection types can choose diversified forms, as long as guaranteeing the device of setting gas detecting instrument 3 and solid
The connection of fixed rack 6 is reliable.
In the present embodiment, gas detecting instrument 3 is H2S detector, and aerobic in the setting of the lower section of the H2S detector
Change iron desulfurizing agent.In this way, whether H2S detector can detecte contains sulphur from the gas flowed out in the through-hole 4 of pod 2
Change hydrogen, if so, then prompting staff to have hydrogen sulfide gas spilling, the gas being tested by alarm equipment alarm
By the ferric oxide desulfurizer below the flow direction of Stainless-steel space grids 9 of 3 lower section of gas detecting instrument and hydrogen sulfide gas point can be carried out
Desulfurization process is solved, is finally discharged into air again, to reduce hydrogen sulfide gas pollution caused by air.
Optionally, it after ferric oxide desulfurizer is packed with ventilative chamber or ventilative cloth bag, is placed on Stainless-steel space grids 9.Every time
When H2S detector alarm when check ferric oxide desulfurizer whether blackening, can be made by way of drying its turn yellow after followed by
It is continuous to use.
The excessive detection of gas provided in the present embodiment for being detected to hydrogen sulfide gas excessive at lubricator
Device, by being arranged gas detecting instrument on the outside of pod, pod is arranged on lubricator, and is provide with the top of lubricator
Region, to accommodate the gas of lubricator top spilling；The top end opening of pod, with the top of open lubricator, pod
Outer wall lower surface is downwardly projecting, to flow through the air-flow of the top end of pod and flow through below water conservancy diversion cover outer wall lower surface
Pressure difference is formed between air-flow, and the through-hole inside and outside connection pod, through-hole and gas detecting instrument phase are offered on pod
It is right, for guiding the gas in pod under the action of pressure difference to gas detecting instrument, realizing and constructing to Well wax scraper
In the process at the blowout prevention seal of tube excessive hydrogen sulfide gas carry out water conservancy diversion detection and and alarm function, even if thus guarantee by
To the influence of change of the wind, situation that H2S detector still can be inerrably excessive to the hydrogen sulfide occurred at lubricator and
Alarm.
Embodiment three
The present embodiment provides a kind of paraffin cutting equipment, wherein paraffin cutting equipment includes at least in lubricator 1 and above-described embodiment
The top of lubricator 1 is arranged in any excessive detection device of gas, the excessive detection device of gas, to guarantee 1 seal of lubricator
Locate excessive gas and all pass through the pod 2 of the excessive detection device of gas to flow to H2S detector.Wherein, paraffin cutting equipment its
He can refer to existing paraffin cutting structure by component, repeat no more in the present embodiment, and the specific structure of the excessive detection device of gas
It has been described in detail in previous embodiment one with working principle, details are not described herein again.
For being detected and being provided to hydrogen sulfide gas excessive at the lubricator in paraffin cutting equipment in the present embodiment
The excessive detection device of gas, by being arranged gas detecting instrument on the outside of pod, pod is arranged on lubricator, and is provide with
The apex zone of lubricator, to accommodate the gas of lubricator top spilling；The top end opening of pod, with the top of open lubricator
End, the outer wall lower surface of pod is downwardly projecting, to flow through the air-flow of the top end of pod and flow through water conservancy diversion cover outer wall
Pressure difference is formed between air-flow below lower surface, offered on pod connection pod inside and outside through-hole, through-hole and
Gas detecting instrument is opposite, for guiding the gas in pod under the action of pressure difference to gas detecting instrument, realizes pair
In Well wax scraper work progress at the blowout prevention seal of tube excessive hydrogen sulfide gas carry out water conservancy diversion detection and and alarm function, from
Even and if guarantee influenced by change of the wind, H2S detector still can inerrably at lubricator occur hydrogen sulfide
Excessive situation and alarm.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of excessive detection device of gas is applied to lubricator, which is characterized in that including pod and gas detecting instrument；
The gas detecting instrument is located on the outside of the pod, and the pod is arranged on the lubricator, and is provide with described
The apex zone of lubricator, to accommodate the gas that the lubricator top is overflowed；
The top end opening of the pod, with the top of the open lubricator, the outer wall lower surface of the pod is downwardly convex
Out, to flow through the air-flow of the top end of the pod and flow through between the air-flow below water conservancy diversion cover outer wall lower surface
Pressure difference is formed, the through-hole being connected to inside and outside the pod, the through-hole and the gas are offered on the pod
Detector is opposite, for guiding the gas in the pod under the action of pressure difference to the gas detecting instrument.
2. the excessive detection device of gas according to claim 1, which is characterized in that the side of the top end opening of the pod
Edge is located in identical height level.
3. the excessive detection device of gas according to claim 1, which is characterized in that the outer wall lower surface of the pod is
Hemispherical or ellipsoid.
4. the excessive detection device of gas according to claim 3, which is characterized in that the bottom end opening of the pod, institute
It states opening and is connected with a cyclic annular mounting portion, and the cyclic annular mounting portion is set on the outside of the lubricator, the cyclic annular peace
The contact of the outer wall of the inner edge in dress portion and the lubricator.
5. the excessive detection device of gas according to claim 4, which is characterized in that the inner edge of the ring-type mounting portion is rubber
Glue sealant.
6. the excessive detection device of gas according to claim 1 or 2, which is characterized in that it further include fixed bracket, it is described solid
Fixed rack includes fixed ring and connecting bracket.
7. the excessive detection device of gas according to claim 6, which is characterized in that the Fixing shrink ring is located at the blowout prevention
Guan Shang, one end of the connecting bracket are connect with the fixed ring, and the other end is for being arranged the gas detecting instrument.
8. the excessive detection device of gas according to claim 1 or 2, which is characterized in that the gas detecting instrument is vulcanization
Hydrogen detector.
9. the excessive detection device of gas according to claim 8, which is characterized in that the lower section of the gas detecting instrument is arranged
There is ferric oxide desulfurizer.
10. a kind of paraffin cutting equipment, which is characterized in that including lubricator and the excessive inspection of the described in any item gases of claim 1-9
Device is surveyed, the top of the lubricator is arranged in the excessive detection device of gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810419078.5A CN110441470A (en) | 2018-05-04 | 2018-05-04 | The excessive detection device of gas and paraffin cutting equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810419078.5A CN110441470A (en) | 2018-05-04 | 2018-05-04 | The excessive detection device of gas and paraffin cutting equipment |
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| CN110441470A true CN110441470A (en) | 2019-11-12 |
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