CN205226897U - Conversion pipe detection device - Google Patents
Conversion pipe detection device Download PDFInfo
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- CN205226897U CN205226897U CN201520882774.1U CN201520882774U CN205226897U CN 205226897 U CN205226897 U CN 205226897U CN 201520882774 U CN201520882774 U CN 201520882774U CN 205226897 U CN205226897 U CN 205226897U
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Abstract
The application discloses a conversion pipe detection device, be connected with the outlet duct on the pipe wall of conversion pipe, conversion pipe detection device includes: the center tube, it has first end and second end, first end stretches into it is intraductal to change, the second end is connected with and supplies the press to construct, the venthole has been seted up on the wall of center tube, the cover is located the outer spacing body of center tube, with the extrusion mechanism that the center tube is connected, it can be followed center tube endwise slip extrusion seal the spacing body make its external diameter enlarge so that seal the spacing body with the sealed laminating of inner wall of conversion pipe, thereby conversion pipe with form between the center tube with the outlet duct reaches the communicating closed annular space of venthole, with the pressure equipment of taking out that second end is connected, its can form the negative pressure in order to take the plug that is arranged in the outlet duct out in sealing the annular space, the ressure measurement part, it can be measured seal the pressure size in the annular space.
Description
Technical field
The application relates to petrochemical industry, particularly relates to a kind of conversion tube detection device.
Background technique
At present, take hydro carbons as raw material, produce syngas for synthetic ammonia and hydrogen by steam reforming, at industrial departments such as synthetic ammonia, oil refining, petrochemical industry, metallurgy, there is specific status.Oil refinery to hydrogen manufacturing conversion furnace, the steam reformer of Methanol Plant and the one-stage converter etc. of synthesis ammonia plant all belong to hydrocarbon steam converting furnace.Wherein, natural gas steam reformer is a kind of reburner comparatively generally used.Natural gas steam reformer is the main equipment of natural gas steam reforming preparing synthetic gas, and it makes rock gas and vapour mixture change into by conversion tube (reaction pipe) synthetic gas being rich in hydrogen, carbon monoxide, carbon dioxide.Conversion tube is heated by external radiant, and pipe is built with catalyzer.Conversion tube is connected with suction tude and steam outlet pipe (also referred to as pigtail), to input rock gas and the gas after transforming.
Conversion tube blank pipe Pressure testing and the cleaning of pigtail obstruction are the important process in petrochemical plant reburner conversion tube loading catalyst process.Before conversion tube loading catalyst, Pressure testing must be carried out to conversion tube blank pipe, detect qualified after, the filling of catalyzer could be carried out to conversion tube.
At present, domestic conversion tube blank pipe Pressure testing mode is: after the fastening shutoff of conversion tube lower flange shimming, carry out Pressure testing from conversion tube top, if conversion tube pressure is defective, illustrate in steam outlet pipe to there is obstruction (be generally catalyzer and enter formation blocking in steam outlet pipe).Now must remove conversion tube lower flange, after dismounting, pigtail blocked inlet thing is cleared up, again fastening to boiler tube lower flange shimming again after cleaning, carry out Pressure testing again after fastening, as the cleaning of steam outlet pipe blocked inlet thing is unclean, just repeatedly must remove operation to boiler tube lower flange, operation is comparatively complicated, not only waste pad, increase labour cost, also increase the cost of overhaul and repair time.
Model utility content
For above-mentioned the deficiencies in the prior art, the application provides a kind of conversion tube detection device to solve the problem one of at least.
For achieving the above object, the application provides a kind of conversion tube detection device, and the tube wall of described conversion tube is connected with steam outlet pipe; Described conversion tube detection device comprises:
Center tube, it has first end and the second end; Described first end stretches in described conversion tube, and described second end is connected with for press mechanism; The wall of described center tube offers air outlet hole;
Be sheathed on the packer accessory outside described center tube;
The pressing mechanism be connected with described center tube, it can make its enlarged outside diameter fit to make the inner wall sealing of described packer accessory and described conversion tube along the described center tube described packer accessory of extruding that slides axially, thus between described conversion tube with described center tube, forms the closed annular space communicated with described steam outlet pipe and described air outlet hole;
Taking out of being connected with described second end is installed with standby, and it can form negative pressure to extract the obstruction being arranged in steam outlet pipe out in described closed annular space;
Pressure measurement unit, it can measure the pressure size in described closed annular space.
As one preferred embodiment, also comprise the substrate worn for described center tube, described substrate is removably connected with one end of described conversion tube; Described substrate is provided with contact mechanism, and described contact mechanism can be elevated and be extruded by described packer accessory with pressing mechanism described in contact.
As one preferred embodiment, described contact mechanism comprises installation cylinder on the substrate and the gas supply mechanism be connected with described cylinder, is provided with the first valve between described gas supply mechanism and described cylinder.
As one preferred embodiment, be arranged with bolt outside described center tube, described bolt is threaded with described center tube, described center tube can be regulated to stretch into length in described conversion tube by bolt described in turn.
As one preferred embodiment, described pressing mechanism comprises flip sleeve and is located at the fixing fixed plate of pressing plate outside described center tube and position, and described pressing plate and described fixed plate are positioned at the both sides of described packer accessory along described conversion tube bearing of trend.
As one preferred embodiment, described packer accessory comprises the first rubber parts and the second rubber parts; Described pressing plate comprises the first pressing plate, the second pressing plate and the 3rd pressing plate of arranging in turn along described center tube bearing of trend; Described second pressing plate and described 3rd pressing plate are connected by the sleeve pipe be sheathed on outside described center tube; Described first rubber parts is located between described first pressing plate and described second pressing plate; Described second rubber parts is located between described 3rd pressing plate and described fixed plate; Described air outlet hole is between described second pressing plate and described 3rd pressing plate.
As one preferred embodiment, the fixing rod of fixed plate described in fixed support is also comprised.
As one preferred embodiment, described comprising for press mechanism supplies blower fan, is provided with the second valve between itself and described center tube; Described confession is also provided with pressure gauge between press mechanism and described center tube.
As one preferred embodiment, also comprise manual pressure mechanism, described manual pressure mechanism is connected with described center tube and described cylinder and thinks that described center tube and described cylinder provide pressure.
As one preferred embodiment, the outer wall of described center tube is provided with image mechanism near described air outlet hole place, and described image mechanism can take described steam outlet pipe.
By describing above and can finding out, the conversion tube detection device that the application provides is formed by packer accessory and pressing mechanism and closes annular space in conversion tube, and then Pressure testing can be carried out easily, the stopping state of steam outlet pipe can be learnt, and when steam outlet pipe blocks, direct employing is taken out and is installed with for being extracted out by obstruction in steam outlet pipe, so, the conversion tube detection device that present embodiment provides can so that conversion tube blank pipe Pressure testing, and the cleaning work of steam outlet pipe obstruction can be completed without the need to dismounting when steam outlet pipe (pigtail) blocks, very convenient.
Further, the closed annular space that the application is formed by packer accessory and pressing mechanism carries out Pressure testing, and then avoids in prior art and use gasket seal conversion tube, so the conversion tube detection device that the application provides effectively can reduce testing cost.
With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specifying principle of the present utility model can adopted mode.Should be appreciated that, thus mode of execution of the present utility model is not restricted in scope.In the spirit of claims and the scope of clause, mode of execution of the present utility model comprises many changes, amendment and is equal to.
The feature described for a kind of mode of execution and/or illustrate can use in one or more other mode of execution in same or similar mode, combined with the feature in other mode of execution, or substitutes the feature in other mode of execution.
Should emphasize, term " comprises/comprises " existence referring to feature, one integral piece, step or assembly when using herein, but does not get rid of the existence or additional of one or more further feature, one integral piece, step or assembly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the conversion tube structure of the detecting device schematic diagram that a kind of mode of execution of the application provides.
Embodiment
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, should belong to the scope of the utility model protection.
It should be noted that, when element is called as " being arranged at " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique mode of execution.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe concrete mode of execution, is not intended to be restriction the utility model.Term as used herein "and/or" comprises arbitrary and all combinations of one or more relevant Listed Items.
Referring to Fig. 1, is the conversion tube detection device schematic diagram that a kind of mode of execution of the application provides.As seen from Figure 1, the tube wall of described conversion tube 1 is connected with steam outlet pipe 2; Described conversion tube detection device comprises: center tube 10, and it has first end and the second end; Described first end stretches in described conversion tube 1, and described second end is connected with for press mechanism 30; The wall of described center tube 10 offers air outlet hole 11; Be sheathed on the packer accessory outside described center tube 10; The pressing mechanism be connected with described center tube 10, it can make its enlarged outside diameter fit to make the inner wall sealing of described packer accessory and described conversion tube 1 along the described center tube 10 described packer accessory of extruding that slides axially, thus between described conversion tube 1 with described center tube 10, forms the closed annular space communicated with described steam outlet pipe 2 and described air outlet hole 11; Taking out of being connected with described second end is installed with standby 40, and it can form negative pressure to extract the obstruction being arranged in steam outlet pipe 2 out in described closed annular space; Pressure measurement unit 20, it can measure the pressure size in described closed annular space.
Described steam outlet pipe 2 can be pigtail, and its internal diameter is less than the internal diameter of described conversion tube 1, and then ensures to treat that catalytic gas has the sufficient contact catalysis time in conversion tube 1 with catalyzer.During use, under conversion tube 1 empty pipe condition, the center tube 10 of described conversion tube detection device is stretched in conversion tube 1, meanwhile, packer accessory and pressing mechanism together entering in described conversion tube 1 with center tube 10.Then, extruded by described packer accessory by pressing mechanism and then formed in conversion tube 1 and close annular space, this closed annular space communicates with steam outlet pipe 2 and air outlet hole 11, then by suppressing in closed annular space for press mechanism 30.If when there is blocking in steam outlet pipe 2, the pressure closed in annular space cannot be discharged, and then pressure measured by pressure measurement unit 20 is larger, now, carry out taking out pressure for 40 by taking out to be installed with, negative pressure is formed and then by the obstruction sucking-off in steam outlet pipe 2 in closed annular space, and then dredging steam outlet pipe 2, finally again carry out testing with the voltage supply of confession press mechanism 30.
By describing above and can finding out, the conversion tube detection device that present embodiment provides is formed by packer accessory and pressing mechanism and closes annular space in conversion tube 1, and then Pressure testing can be carried out easily, the stopping state of steam outlet pipe 2 can be learnt, and when steam outlet pipe 2 blocks, direct employing is taken out to be installed with and is extracted out by obstruction in steam outlet pipe 2 for 40, so, the conversion tube detection device that present embodiment provides can so that conversion tube 1 blank pipe Pressure testing, and the cleaning work of steam outlet pipe 2 obstruction can be completed without the need to dismounting when steam outlet pipe 2 (pigtail) blocks, very convenient.
Further, the closed annular space that present embodiment is formed by packer accessory and pressing mechanism carries out Pressure testing, and then avoids in prior art and use gasket seal conversion tube 1, so the conversion tube detection device that the application provides effectively can reduce testing cost.
Please continue to refer to Fig. 1, in present embodiment, center tube 10 stretches in conversion tube 1 by its first end, and center tube 10 and conversion tube 1 can extend in the same way, and preferably, center tube 10 and conversion tube 1 can coaxially be arranged.Center tube 10 has first end and the second end (with scope of readers to first end during Fig. 1 for upper end, the second end is lower end).The first end of center tube 10 can be closed, and then facilitates the air outlet hole 11 on its wall be vented or bleed.
Second end of center tube 10 is connected with for press mechanism 30.Concrete, can connecting tube be provided with between the second end and confession press mechanism 30.Described can comprising for press mechanism 30 supplies blower fan, by suppressing in closed annular space through connecting tube, center tube 10, air outlet hole 11 for blower fan.The second valve 31 can be provided with between press mechanism 30 and described center tube 10, suppress state by the closedown open mode that controls the second valve 31 with what controls confession press mechanism 30.Described confession can also be provided with pressure gauge 32 between press mechanism 30 and described center tube 10, measures the incoming pressure for press mechanism 30 by this pressure gauge 32.Measured by this incoming pressure and pressure measurement unit 20, pressure compares, if the two is comparatively close to judging that tracheae 2 (pigtail) blocks, if the two difference is comparatively large, can judge that tracheae 2 blocks, conversion tube 1 blank pipe Pressure testing is normal.Arranged by this kind and can judge whether the steam outlet pipe 2 of conversion tube 1 blocks comparatively accurately.
Pressure measurement unit 20 can measure the pressure size in described closed annular space, concrete, and pressure measurement unit 20 can comprise pressure measuring instruments, pressure transducer etc.On the wall of the closed annular space that the position of pressure measurement unit 20 can connect, such as, the pressure transducer of pressure measurement unit 20 can be arranged on the outer wall of center tube 10, can certainly be arranged on the inwall of conversion tube 1.Consider that the position of pressure measurement unit 20 has multiple position, the application is also not construed as limiting.
Please continue to refer to Fig. 1, present embodiment can also comprise the substrate 108 worn for described center tube 10, and described substrate 108 is removably connected with one end of described conversion tube 1.Substrate 108 can be set to tabular, and itself and conversion tube 1 can carry out by anchor fluke 112 lower end (during with scope of readers to Fig. 1) being anchored at conversion tube 1.Certainly, anchor fluke 112 can be expanded and tighten up, and then completing substrate 108 and conversion tube 1 is detachable.
Described substrate 108 can be provided with contact mechanism, and described contact mechanism can be elevated and be extruded by described packer accessory with pressing mechanism described in contact.Substrate 108 by being connected with conversion tube 1 and then position being fixed, meanwhile, substrate 108 for contact mechanism provide contact basis.Concrete, described contact mechanism can comprise the cylinder 109 be arranged on described substrate 108 and the gas supply mechanism 110 be connected with described cylinder 109, is provided with the first valve 111 between described gas supply mechanism 110 and described cylinder 109.Described cylinder 109 can have flexible pneumatic opening type push rod, and when the first valve 111 is opened, gas supply mechanism 110 is inflated to cylinder 109 and thought that cylinder 109 provides pressure, and cylinder 109 extends and then contact pressing mechanism moves.Cylinder 109 can be provided with multiple, and is uniformly distributed circumferentially the below in pressing mechanism, and then ensures that pressing mechanism can evenly slide.
Certainly, contact mechanism also can be the structure of other extending contractions, such as elastic mechanism, by motor rotate forward reversion carry out shrinking structure etc.In the first valve 111 closed condition, gas supply mechanism 110 stops to cylinder 109 air feed, and cylinder 109 bounces back, and makes pressing mechanism no longer extrude packer accessory.
Preferably, transform tube detection device and can also comprise manual pressure mechanism in present embodiment, it is connected with described center tube 10 and described cylinder 109 thinks that described center tube 10 and described cylinder 109 provide pressure.When gas supply mechanism 110 and for press mechanism 30 break down or cannot air feed, manually pressurizing mechanism can be suppressed in center tube 10 and in cylinder 109.
Bolt 113 can be arranged with outside described center tube 10.Described bolt 113 is threaded with described center tube 10, described center tube 10 can be regulated to stretch into length in described conversion tube 1 by bolt described in turn 113.Bolt 113 and cylinder 109 can be separately positioned on the both sides of substrate 108, spacing by substrate 108, can stretch into the position of conversion tube 1 by control centre's pipe 10, and then complete the regulation and control to closed loop empty position when bolt 113 rotates.Certainly, bolt 113 also can be spacing by other structures, and the application does not impose any restrictions.
Packer accessory extrudes by sliding by described pressing mechanism, concrete, pressing mechanism can complete the extruding to packer accessory under the contact effect of above-mentioned contact mechanism, certainly, pressing mechanism also also self can be provided with release tightening system for clip class formation, when pressing mechanism enters in conversion tube 1 with center tube 10, by release tightening system, pressing mechanism is discharged, and then pressing mechanism completes the extruding to packer accessory.Certainly, pressing mechanism is not limited to above mechanism, and the application is not restricted.
Preferably, pressing mechanism can comprise flip sleeve and is located at the fixing fixed plate 106 of pressing plate outside described center tube 10 and position.Described pressing plate and described fixed plate 106 are positioned at the both sides of described packer accessory along described conversion tube 1 bearing of trend.In the present embodiment, conversion tube detection device can also comprise the fixing rod of fixed plate 106 described in fixed support.Fixing rod can be fixedly installed in center tube 10 and also can be fixedly mounted on substrate 108, and as shown in Figure 1, fixing rod can be installed on substrate 108 in one end, and the other end is fixedly connected with fixed plate 106 through center tube 10.In addition, the first end of center tube 10 can seal by fixed plate 106, is fixed fixed plate 106 position by center tube 10.
Described packer accessory can be made up of rubber material, and it can expanded outer diameter the reinstatement when extruding force disappears when being squeezed.Conversion tube 1 inside can be formed sealed separation when being subject to enough large extruding force by packer accessory, and then the closed annular space isolated in conversion tube 1.
As shown in Figure 1, described packer accessory can comprise the first rubber parts 101 and the second rubber parts 102.First rubber parts 101 and the second rubber parts 102 can be sheathed on outside center tube 10.Described pressing plate can comprise first pressing plate 103, second pressing plate 104 and the 3rd pressing plate 105 of arranging in turn along described center tube 10 bearing of trend.Described second pressing plate 104 and described 3rd pressing plate 105 are connected by the sleeve pipe be sheathed on outside described center tube 10.Described first rubber parts 101 is located between described first pressing plate 103 and described second pressing plate 104.Described second rubber parts 102 is located between described 3rd pressing plate 105 and described fixed plate 106.Described air outlet hole 11 is between described second pressing plate 104 and described 3rd pressing plate 105.For avoiding being blocked by air outlet hole 11 in the second pressing plate 104 uphill process, the position of air outlet hole 11 can near the 3rd pressing plate 105.
For ensureing that center tube 10 inside is communicated with closed annular space, the wall of sleeve pipe also can be provided with exhaust port, the exhaust port on sleeve pipe can arrange multiple and aperture can larger setting, facilitates the air outlet hole 11 on center tube 10 to be communicated with exhaust port.Exhaust port on sleeve pipe can be given prominence to towards the inwall taper of conversion tube 1.The outer wall of described center tube 10 can be provided with image mechanism 50 near described air outlet hole 11 place, and described image mechanism 50 can take described steam outlet pipe 2.Image mechanism 50 can comprise camera, photographic camera.Concrete, the taper that image mechanism 50 can be arranged on the exhaust port of sleeve pipe is given prominence to, and can be located the packing position of packer accessory easily, be convenient to closed annular space and be communicated with steam outlet pipe 2 by the information captured by image mechanism 50.
By above scheme, first pressing plate 103 is after the resistance being subject to cylinder 109, first pressing plate 103 rise and by the first rubber parts 101 (certain movement can be produced) by force transmission give the second pressing plate 104, sleeve pipe, the 3rd pressing plate 105, because fixed plate 106 position is fixed, first rubber parts 101, second rubber parts 102 extrudes by the first pressing plate 103, second pressing plate 104, the 3rd pressing plate 105 (also can be considered as flattening), and then forms closed annular space.
Any digital value quoted herein all comprises all values with the lower value of an incremented and upper value between lower limit to CLV ceiling limit value, there is the interval of at least Liang Ge unit between any lower value and any much higher value.For example, if set forth the quantity of parts or the value of process variables (such as temperature, pressure, time etc.) is from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, then object also lists such as 15 to 85,22 to 68,43 to 51,30 to 32 equivalences clearly to illustrate in this specification.For the value being less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.These are only the examples wanting clearly to express, and can think that likely the combining of numerical value of enumerating between minimum and peak is all set forth clearly at this specification in a similar manner.
Except as otherwise noted, all scopes all comprise all numerals between end points and end points." approximately " or " being similar to " that use together with scope is suitable for two end points of this scope.Thus, " about 20 to 30 " are intended to cover " about 20 to about 30 ", at least comprise the end points indicated.
The all articles disclosed and reference, comprising patent application and publication, being incorporated into this for various purposes by quoting.Describe combination term " substantially by ... form " determined element, composition, parts or step should be comprised and not affect in fact other elements of basic novel feature of this combination, composition, parts or step.The combination of element, composition, parts or the step that term " comprises " or " comprising " describes here is used also to contemplate the mode of execution be substantially made up of these elements, composition, parts or step.Here by use term " can ", be intended to illustrate " can " described any attribute of comprising is all optional.
Multiple element, composition, parts or step can be provided by single integrated component, composition, parts or step.Alternatively, single integrated component, composition, parts or step can be divided into multiple elements of separation, composition, parts or step.Be used for describing the open "a" or "an" of element, composition, parts or step and do not say element, composition, parts or step in order to get rid of other.
Should be appreciated that, above description is to carry out illustrating instead of in order to limit.By reading foregoing description, the many mode of executions outside provided example and many application will be all apparent for a person skilled in the art.Therefore, the scope of this instruction should not determined with reference to foregoing description, but the four corner of the equivalent that should have with reference to claims and these claims is determined.For comprehensive object, all articles and with reference to comprising the open all by reference to being combined in herein of patent application and bulletin.Omit in aforementioned claim theme disclosed herein any in be not to abandon this body matter, also should not be considered as the part that this theme is not thought of as disclosed model utility theme by inventor.
Claims (10)
1. a conversion tube detection device, the tube wall of described conversion tube is connected with steam outlet pipe; It is characterized in that, described conversion tube detection device comprises:
Center tube, it has first end and the second end; Described first end stretches in described conversion tube, and described second end is connected with for press mechanism; The wall of described center tube offers air outlet hole;
Be sheathed on the packer accessory outside described center tube;
The pressing mechanism be connected with described center tube, it can make its enlarged outside diameter fit to make the inner wall sealing of described packer accessory and described conversion tube along the described center tube described packer accessory of extruding that slides axially, thus between described conversion tube with described center tube, forms the closed annular space communicated with described steam outlet pipe and described air outlet hole;
Taking out of being connected with described second end is installed with standby, and it can form negative pressure to extract the obstruction being arranged in steam outlet pipe out in described closed annular space;
Pressure measurement unit, it can measure the pressure size in described closed annular space.
2. device as claimed in claim 1, is characterized in that, also comprise the substrate worn for described center tube, described substrate is removably connected with one end of described conversion tube; Described substrate is provided with contact mechanism, and described contact mechanism can be elevated and be extruded by described packer accessory with pressing mechanism described in contact.
3. device as claimed in claim 2, it is characterized in that, described contact mechanism comprises installation cylinder on the substrate and the gas supply mechanism be connected with described cylinder, is provided with the first valve between described gas supply mechanism and described cylinder.
4. device as claimed in claim 1, it is characterized in that, be arranged with bolt outside described center tube, described bolt is threaded with described center tube, described center tube can be regulated to stretch into length in described conversion tube by bolt described in turn.
5. device as claimed in claim 1, it is characterized in that, described pressing mechanism comprises flip sleeve and is located at the fixing fixed plate of pressing plate outside described center tube and position, and described pressing plate and described fixed plate are positioned at the both sides of described packer accessory along described conversion tube bearing of trend.
6. device as claimed in claim 5, it is characterized in that, described packer accessory comprises the first rubber parts and the second rubber parts; Described pressing plate comprises the first pressing plate, the second pressing plate and the 3rd pressing plate of arranging in turn along described center tube bearing of trend; Described second pressing plate and described 3rd pressing plate are connected by the sleeve pipe be sheathed on outside described center tube; Described first rubber parts is located between described first pressing plate and described second pressing plate; Described second rubber parts is located between described 3rd pressing plate and described fixed plate; Described air outlet hole is between described second pressing plate and described 3rd pressing plate.
7. device as claimed in claim 5, is characterized in that, also comprise the fixing rod of fixed plate described in fixed support.
8. device as claimed in claim 1, is characterized in that, described comprising for press mechanism supplies blower fan, is provided with the second valve between itself and described center tube; Described confession is also provided with pressure gauge between press mechanism and described center tube.
9. device as claimed in claim 3, is characterized in that, also comprise manual pressure mechanism, and described manual pressure mechanism is connected with described center tube and described cylinder and thinks that described center tube and described cylinder provide pressure.
10. device as claimed in claim 1, is characterized in that, the outer wall of described center tube is provided with image mechanism near described air outlet hole place, and described image mechanism can take described steam outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882774.1U CN205226897U (en) | 2015-11-06 | 2015-11-06 | Conversion pipe detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882774.1U CN205226897U (en) | 2015-11-06 | 2015-11-06 | Conversion pipe detection device |
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| CN205226897U true CN205226897U (en) | 2016-05-11 |
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| CN201520882774.1U Active CN205226897U (en) | 2015-11-06 | 2015-11-06 | Conversion pipe detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718722A (en) * | 2020-12-17 | 2021-04-30 | 北京峦海阜程科技发展有限责任公司 | Blockage removing device and method for offshore oilfield pipeline |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718722A (en) * | 2020-12-17 | 2021-04-30 | 北京峦海阜程科技发展有限责任公司 | Blockage removing device and method for offshore oilfield pipeline |
| CN112718722B (en) * | 2020-12-17 | 2022-08-12 | 北京峦海阜程科技发展有限责任公司 | Blockage removing device and method for offshore oilfield pipeline |
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