CN104214762A - Piston regulation valve port doubled as manhole structure of converted gas steam generator - Google Patents
Piston regulation valve port doubled as manhole structure of converted gas steam generator Download PDFInfo
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- CN104214762A CN104214762A CN201410430513.6A CN201410430513A CN104214762A CN 104214762 A CN104214762 A CN 104214762A CN 201410430513 A CN201410430513 A CN 201410430513A CN 104214762 A CN104214762 A CN 104214762A
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- casing pipe
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- gas steam
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Abstract
The invention relates to a piston regulation valve port doubled as manhole structure of a converted gas steam generator. The piston regulation valve port doubled as manhole structure of the converted gas steam generator comprises a flange, a lining baffle, a lining outer casing pipe, a pipe nipple, a lining inner casing pipe, thermal insulation materials and lining check rings, wherein the lining outer casing pipe is positioned in the middle of the flange, the outer side surface of the lining outer casing pipe is tightly fit with the inner side surface of the flange, and the outer end of the lining outer casing pipe is aligned with the outer end of the flange; one end of the pipe nipple is fixedly connected with one end of the flange, the other end of the pipe nipple is fixedly connected with the lining baffle, and the internal diameter of the pipe nipple is equal to the internal diameter of the flange; the lining inner casing pipe is positioned in the middle of the lining outer casing pipe, the lining inner casing pipe and the radial cross section of the lining outer casing pipe are on a concentric circle, and the outer end of the lining inner casing pipe is inwards retracted for 20-40mm from the outer end of the flange; the thermal insulation materials fill in annular space between the lining outer casing pipe and the lining inner casing pipe; the lining check rings are of a ring shape assorted with the cross section of the thermal insulation materials and are respectively fixedly connected to annular surfaces of two ends of the thermal insulation materials; the lining outer casing pipe is fixed with the flange. The insulation-insulation layer of the piston regulation valve port doubled as manhole structure of the converted gas steam generator is detachable, and has the advantages of material saving and convenience in overhauling.
Description
Technical field
The invention relates to a kind of reformed gas steam generator, be especially manhole structure about a kind of piston governor valve mouth of reformed gas steam generator is double.
Background technology
In petroleum chemical industry device for producing hydrogen, the gasinlet temperature of reformed gas steam generator is the highest 850 degree, outlet temperature is 340 degree, outlet is by control valve adjust flux, inside needs to do insulated lining, and piston governor valve mouth also needs to do insulated lining, and the insulated lining of valve port is generally be fixed on the medial surface of flange, after lining, internal diameter is 350mm, cannot enter people.Due to compact conformation, reformed gas steam generator separately cannot establish manhole, needs to destroy lining, improves labour cost, add work difficulty during maintenance, has overhauled lining of will again constructing, has added lining consumption.
As can be seen here, the piston governor valve mouth of above-mentioned existing reformed gas steam generator with in use in structure, obviously still has inconvenience and defect, and is urgently further improved.In order to solve above-mentioned Problems existing, relevant manufactures there's no one who doesn't or isn't seeks solution painstakingly, but have no applicable design for a long time to be completed by development, and common product does not have appropriate structure to solve the problem, this is obviously the anxious problem for solving of relevant dealer always.
Summary of the invention
The object of the present invention is to provide that a kind of piston governor valve mouth of reformed gas steam generator is double is manhole structure, technical problem to be solved need not destroy lining when overhaul of the equipments, saves labour, reduces workload, reduce lining to use, easy installation and removal.
The object of the invention is to realize by the following technical solutions.The invention provides that a kind of piston governor valve mouth of reformed gas steam generator is double is manhole structure, comprise: flange, lining baffle plate, it also comprises: lining outer tube, and it is positioned at flange centre and the medial surface of its lateral surface and flange fits tightly, and aligns with the outer end of flange in its outer end; Pipe nipple, one end of its one end and described flange is affixed, its other end and described lining baffle plate affixed, and its internal diameter is equal with the internal diameter of described flange; Lining inner sleeve, it is positioned at described lining outer tube centre and is concentric circles with the radial cross-section of described lining outer tube, and its outer end is inside indentation 20 ~ 40mm from the outer end of flange; Heat insulation material, it is filled in the annular space that formed between described lining inner sleeve and described lining outer tube; Lining back-up ring is the annular matched with the cross section of described heat insulation material, and is fixed on the two ends ring surface of described heat insulation material respectively; Fixture, it is arranged at lining outer tube outer end outside described lining back-up ring circumferentially, and described lining outer tube and described flange is fixed together.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, the piston governor valve mouth of aforesaid reformed gas steam generator is double is manhole structure, and wherein said heat insulation material is pottery towline.
Preferably, the piston governor valve mouth of aforesaid reformed gas steam generator is double is manhole structure, and wherein said fixture is bolt.
Preferably, the piston governor valve mouth of aforesaid reformed gas steam generator is double is manhole structure, and wherein said fixture is multiple.
By technique scheme, the double manhole structure of being of piston governor valve mouth of reformed gas steam generator of the present invention at least has following advantages and beneficial effect: the use that invention increases sleeve pipe, thermal insulation layer can be dismantled, therefore lining need not be destroyed as prior art when overhaul of the equipments, only the fixture of permanent lining outer tube and flange need be pulled down, take out sleeve pipe, the size of piston governor valve mouth can enter people's maintenance, after service work completes, liner thimble is loaded piston governor valve mouth flange, to screw on fixture, installing/dismounting is extremely convenient, save labour, reduce workload, reduce lining to use.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is axial sectional view of the present invention.
Fig. 2 is the magnified partial view in I region in Fig. 1 of the present invention.
Fig. 3 is the magnified partial view in II region in Fig. 2 of the present invention.
Fig. 4 is the radial cross-section along A-A in Fig. 1 of the present invention.
[main element symbol description]
1: flange 2: lining baffle plate
3: lining back-up ring 4: lining outer tube
5: pipe nipple 6: lining inner sleeve
7: heat insulation material 8: fixture
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to double detailed description of the invention, structure, feature and the effect thereof being manhole structure of a kind of piston governor valve mouth of reformed gas steam generator proposed according to the present invention, be described in detail as follows.
Refer to Fig. 1, Fig. 2 and Fig. 4, the double manhole structure of being of piston governor valve mouth of reformed gas steam generator of the present invention mainly comprises: flange 1, lining baffle plate 2, lining back-up ring 3, lining outer tube 4, pipe nipple 5, lining inner sleeve 6 and heat insulation material 7.Wherein, one end of flange 1 and one end of pipe nipple 5 weld together, and the other end and the lining baffle plate 2 of pipe nipple 5 weld together, and pipe nipple 5 is equal with the internal diameter of flange 1.Lining outer tube 4 is placed in the middle of flange 1, the lateral surface of lining outer tube 4 and the medial surface of flange 1 fit tightly, the radial cross-section being placed with lining inner sleeve 6, two sleeve pipe 4,6 in the middle of lining outer tube 4 is concentric circles and is filled with heat insulation material 7 in annular space therebetween.The left and right annular end face of heat insulation material 7 is connected with annular liner back-up ring 3 supporting with it, utilizes lining back-up ring 3 to be enclosed in the annular space between lining inner sleeve 6 and lining outer tube 4 by heat insulation material 7.
Align with the outer end of flange 1 in the outer end of lining outer tube 4, and the outer end of lining inner sleeve 6 from the outer end of flange 1 inside indentation 20 ~ 40mm, enough spaces are circumferentially had for arranging multiple fixture 8 to make lining outer tube 4 outer end be positioned at outside lining back-up ring 3, to utilize fixture 8, lining outer tube 4 and flange 1 are carried out affixed (referring to Fig. 3), this fixture 8 is preferably bolt, can be other forms of fixture in addition, the present invention limit the form of fixture 8 yet.As long as removed by fixture 8 during maintenance, can take out the thermal insulation layer be made up of lining inner sleeve 6, lining outer tube 4 and heat insulation material 7, after taking out thermal insulation layer, maintainer can directly carry out overhauling, safeguarding from piston governor valve mouth flange 1 access arrangement.After service work completes, thermal insulation layer is loaded piston governor valve mouth flange 1, load onto fixture 8, convenient disassembly, save labour, reduce workload, reduce lining and use.
Heat insulation material 7 of the present invention is preferably made pottery towline, and pottery towline has light weight, heat insulation feature, and therefore remove and more lightly facilitate, in addition, heat insulation material 7 can also be chosen as other heat-barrier materials, and the present invention does not limit the material of heat insulation material 7.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. the piston governor valve mouth of reformed gas steam generator is double is a manhole structure, comprising: flange (1), lining baffle plate (2), is characterized in that it also comprises:
Lining outer tube (4), it is positioned at flange (1) centre and the medial surface of its lateral surface and flange (1) fits tightly, and aligns with the outer end of flange (1) in its outer end;
Pipe nipple (5), one end of its one end and described flange (1) is affixed, its other end and described lining baffle plate (2) affixed, and its internal diameter is equal with the internal diameter of described flange (1);
Lining inner sleeve (6), it is positioned at described lining outer tube (4) centre and is concentric circles with the radial cross-section of described lining outer tube (4), and its outer end is from the inside indentation 20 ~ 40mm in the outer end of flange (1);
Heat insulation material (7), it is filled in the annular space of formation between described lining inner sleeve (6) and described lining outer tube (4);
Lining back-up ring (3) is the annular matched with the cross section of described heat insulation material (7), and is fixed on the two ends ring surface of described heat insulation material (7) respectively;
Fixture (8), it is arranged at lining outer tube (4) outer end in described lining back-up ring (3) outside circumferentially, and described lining outer tube (4) and described flange (1) is fixed together.
2. the piston governor valve mouth of reformed gas steam generator according to claim 1 is double is manhole structure, it is characterized in that described heat insulation material (7) is for pottery towline.
3. the piston governor valve mouth of reformed gas steam generator according to claim 1 is double is manhole structure, it is characterized in that described fixture (8) is bolt.
4. the piston governor valve mouth of reformed gas steam generator according to claim 1 is double is manhole structure, it is characterized in that described fixture (8) is for multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410430513.6A CN104214762B (en) | 2014-08-28 | 2014-08-28 | The piston governor valve mouth of reformed gas steam generator is double is manhole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410430513.6A CN104214762B (en) | 2014-08-28 | 2014-08-28 | The piston governor valve mouth of reformed gas steam generator is double is manhole structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214762A true CN104214762A (en) | 2014-12-17 |
| CN104214762B CN104214762B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410430513.6A Active CN104214762B (en) | 2014-08-28 | 2014-08-28 | The piston governor valve mouth of reformed gas steam generator is double is manhole structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3005905A1 (en) * | 1980-02-16 | 1981-09-03 | Hochtemperatur-Reaktorbau GmbH, 5000 Köln | A FLANGED DOME LID WITH A VARIETY OF PIPES FOR TUBING |
| DE20009668U1 (en) * | 2000-05-30 | 2000-08-31 | Gebr. Möck GmbH & Co. KG, 72072 Tübingen | Device for closing inspection openings on chimneys |
| CN2420509Y (en) * | 2000-04-21 | 2001-02-21 | 吴石民 | Man hole door of engineering device |
| CN201680355U (en) * | 2009-08-05 | 2010-12-22 | 李林 | Manhole device for boiler pressure container |
| CN202132928U (en) * | 2011-06-15 | 2012-02-01 | 安徽国电能源设备工程有限公司 | Multiple-insulating manhole of energy storage electric boiler |
| CN204153758U (en) * | 2014-08-28 | 2015-02-11 | 洛阳瑞泽石化工程有限公司 | The piston governor valve mouth of reformed gas steam generator is double is manhole structure |
-
2014
- 2014-08-28 CN CN201410430513.6A patent/CN104214762B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3005905A1 (en) * | 1980-02-16 | 1981-09-03 | Hochtemperatur-Reaktorbau GmbH, 5000 Köln | A FLANGED DOME LID WITH A VARIETY OF PIPES FOR TUBING |
| CN2420509Y (en) * | 2000-04-21 | 2001-02-21 | 吴石民 | Man hole door of engineering device |
| DE20009668U1 (en) * | 2000-05-30 | 2000-08-31 | Gebr. Möck GmbH & Co. KG, 72072 Tübingen | Device for closing inspection openings on chimneys |
| CN201680355U (en) * | 2009-08-05 | 2010-12-22 | 李林 | Manhole device for boiler pressure container |
| CN202132928U (en) * | 2011-06-15 | 2012-02-01 | 安徽国电能源设备工程有限公司 | Multiple-insulating manhole of energy storage electric boiler |
| CN204153758U (en) * | 2014-08-28 | 2015-02-11 | 洛阳瑞泽石化工程有限公司 | The piston governor valve mouth of reformed gas steam generator is double is manhole structure |
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| Publication number | Publication date |
|---|---|
| CN104214762B (en) | 2016-05-25 |
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