CN106523818A - Flange - Google Patents
Flange Download PDFInfo
- Publication number
- CN106523818A CN106523818A CN201611079212.9A CN201611079212A CN106523818A CN 106523818 A CN106523818 A CN 106523818A CN 201611079212 A CN201611079212 A CN 201611079212A CN 106523818 A CN106523818 A CN 106523818A
- Authority
- CN
- China
- Prior art keywords
- flange
- steam channel
- steam
- flange disk
- disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/12—Flanged joints specially adapted for particular pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
Abstract
The invention provides a flange. The flange comprises a first flange plate and a second flange plate. The first flange plate is provided with a plurality of first steam channels. The second flange plate is provided with second steam channels, wherein the number of the second steam channels and the number of the first steam channels are the same, and the second steam channels and the first steam channels are symmetrical in the horizontal direction. The first flange plate and the second flange plate are connected to enable the first steam channels to communicate with the second steam channels so that a total steam channel can be formed. The first steam channels are arranged at the position close to a channel of the first flange plate, and the second steam channels are arranged at the position close to a channel of the second flange plate. The flange can guarantee that steam passes in the flange while the strength of a flange body is fully guaranteed, and steam heating for the flange is achieved; and even under the situation that steam is stopped and a pipeline is totally blocked, pipeline conveying can be recovered after steam heating is carried out on the flange and an adjoining pipe, a large amount of artificial maintaining time is saved, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of flange.
Background technology
Acid production with sulphur enterprise adopts sulfur granule both at home and abroad at present, after molten sulfur post heating and melting, carries out coarse filtration, then
Filter is delivered to through pump, into after smart sulfur system, sulfur furnace, burning production SO2, after the dry suction of conversion is pumped to by smart sulfur
Production sulphuric acid.
The sulphur-burning sulphuric acid system possessed by the country, the overwhelming majority are adopted on molten sulfur post all liq sulfur pipeline
The form of steam adjoining pipe is incubated to Molten sulphur pipeline, to ensure the mobility of molten sulfur, prevents line clogging from affecting conveying.
Traditional steam adjoining pipe, can only be incubated to Molten sulphur pipeline, and the pipeline generally between flange and flange carries out steam
Heating and thermal insulation, and flange cannot be included in the range of steam insulation, in actual production process, because flange cannot be incubated,
So that after system is out of service, the point position can cause sulfur plug because temperature is too low, when system is driven again, it is necessary to by flange
Junction is taken apart to carry out manually dredging stifled, has had a strong impact on the operational efficiency of system.Conventional vapor adjoining pipe flange technical disadvantages:Tradition
Steam adjoining pipe, is incubated just for the straight length between flange and flange, and in flange connections, it is impossible to protected using steam
Temperature, in normal course of operation, during Molten sulphur Uniform Flow, conventional flange is still run, and when exception occurs in system, needs to stop
When, due to Molten sulphur cannot forced flow, adding adjoining pipe steam may be unable to supply, now in flange connections, sulfur meeting
Frozen plug pipeline, must be dredged using manual demolition when driving, and affect production efficiency.
Authorize the public number patent of invention for CN204267928U to disclose a kind of entitled interior external heat adpting flange, wrap
Flange body is included, when the diameter of the flange body is less than 100cm, then the outer wall of the flange body is provided with outside folder
Set, when the flange body is with diameter greater than 100cm, then the inwall of the flange body is provided with inner flow passage, described outer
Portion's chuck and inner flow passage are provided with thermal medium import and export;The inside of the flange body is also equipped with interior heating pipe, institute
State interior heating pipe to be coaxially set with the flange body, and extend to the material conveying pipe at the flange body two ends
Interior, the interior heating pipe adopts coil pipe or U-tube, and the interior heating pipe is connected with thermal medium inlet/outlet pipe.The present invention
Can effectively maintain temperature of charge constant consistent, it is to avoid because temperature reduces causing viscosity too high and inside and outside material flow is inconsistent
Phenomenon, it is ensured that the uniformity of product, improves the quality of product.But there is problems with this kind of flange:1. complex structure,
Manufacturing cost is high, when flange body is with diameter greater than 100cm, should arrange internal stream to, there is provision of external jacket ability
Ensure using effect, this structure is unfavorable for the connection between the two halves flange of flange, and two halves flange is in connection by two methods
It is perfectly aligned at the position that orchid communicates(Including interior heating passage, interlayer circulation channel), cause to connect difficulty greatly, connection easily occur
Not closely, Fluid leakage problems;2nd, annular fluid passage is formed between the external jacket and flange body of this flange, it is actual
Using in, particularly in sulphur-burning sulphuric acid system, the pressure that annular fluid passage can give whole flange body very big is very easy to
Cause flange body to be deformed and damaged, not only affect production, can also cause potential safety hazard.
The content of the invention
The present invention is intended to provide solving jacket flange complex structure of the prior art, manufacturing cost is high;Between flange
Connection is difficult and connection not closely and annular fluid by flange body crimp, damage the problems such as, the present invention provides a kind of flange,
The flange while flange body intensity is fully ensured that can guarantee that steam is gone together inside flange, realize the steam to flange
Heating, even if stopping in steam, in the case that pipeline is all blocked, by carry out to flange and adjoining pipe can be extensive after steam heating
Multiple pipeline, saves the time of a large amount of artificial maintenance, improves production efficiency.
To solve above-mentioned technical problem, the present invention is achieved through the following technical solutions:
A kind of flange, including first flange disk, second flange disk, offer several first steam and lead on the first flange disk
Road, offers the second identical with the first steam channel quantity and symmetrical in the horizontal direction steam and leads on the second flange disk
Road 6, the first flange disk and second flange disk connect so that the first steam channel and the second steam channel connect to form total steaming
Vapour passage, first steam channel are positioned close at the position of first flange disk passage, and second steam channel is arranged
At the position of second flange disk passage.
Further, first steam channel have two and it is symmetrical be arranged on the diameter line of first flange disk, institute
Stating the second steam channel has two and symmetrical is arranged on the diameter line of second flange disk.
Total steam channel is "Ji" type structure.Select excellent, total steam channel of the shape a diameter of 10~
15cm。
Total steam channel is tubular structure.Preferably, a diameter of 10~15cm of total steam channel.
Select excellent, the distance of the extended distance first flange disk passage of the described total steam channel on first flange disk
For 0.3~0.5cm, the distance of the extended distance second flange disk passage of the described total steam channel on second flange disk is
0.3~0.5cm.
Beneficial effects of the present invention are as follows:
The consistent flange arrangement of traditional jacket flange, i.e., on ring flange, open up the ring of annular around the outer wall of ring flange passage
Circulation road, from chuck is formed, the strength of flange of this kind of structure is poor, the pressure that circulation channel can give whole flange body very big, non-
The outer wall for being often easily caused flange passage is deformed and damaged, not only affects production, can also cause potential safety hazard;And this
It is bright by substantial amounts of practical studies, tightly opening up several steam channels in the appropriate position of ring flange, be not to be formed one it is whole
The circulation channel of body, so can be while strength of flange be ensured, it is ensured that steam is gone together inside flange, realizes the steaming to flange
Vapour is heated, even if stopping in steam, in the case that pipeline is all blocked, by flange and adjoining pipe are carried out can after steam heating
Recover pipeline, save the time of a large amount of artificial maintenance, improve production efficiency.
2nd, steam channel of the invention opens up two on ring flange, opens up two passages it is ensured that the heating effect of steam
Really, make the pipeline of flange connections unblocked, and open up two passages, the method that two quickly can be vertically connected with by passage less
The steam channel alignment of blue disk, is then attached, and prior art is all the sandwich of circular passage, so in connection
It is difficult to ensure that being completely superposed for upper and lower two passages, reduces the accuracy of connection sealing during upper lower flange, easily there is leakage
Problem.
3rd, total steam channel of the invention is "Ji" type structure or tubular structure, total steam of "Ji" type structure
A diameter of 10~15cm of passage, a diameter of 10~15cm of total steam channel of tubular structure, the dimensional structure can provide foot
Enough steam ensures the unimpeded of pipeline, while avoiding the excessive waste for causing steam of diameter of steam channel.
4th, the present invention be located at first flange disk on described total steam channel extended distance first flange disk passage away from
From for 0.3~0.5cm, the distance of the extended distance second flange disk passage of the described total steam channel on second flange disk
For 0.3~0.5cm., the efficiency of heating surface of steam had so both been can guarantee that, while can guarantee that the reliability of flange connection, had extended flange
Physical life.Research has shown that, distance is more than the value, and heats are poor, less than this apart from when, after a period of time, ring flange
The outer wall of passage deforms, and ultimately results in the connecting staggered of upper and lower two ring flange passages, the connecting staggered of steam channel, from
And the effect of the connection and heating of impact pipeline, increase the probability of liquid leakage, so both can guarantee that the efficiency of heating surface of steam.
Description of the drawings
Structural representations of the Fig. 1 for the embodiment of the present invention 1;
Overlooking the structure diagrams of the Fig. 2 for Fig. 1;
Structural representations of the Fig. 3 for the embodiment of the present invention 2;
Overlooking the structure diagrams of the Fig. 4 for Fig. 3.
The reference of above-mentioned accompanying drawing is:1 first flange disk, 2 first steam channels, 3 openings, 4 first flange disk passages,
5 second flange disks, 6 second flange disk passages, 7 total steam channels, 8 second flange disk passages.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment explanation the present invention.
Embodiment 1
As shown in Figure 1 and Figure 2,1 a kind of, flange, including first flange disk 1, second flange disk 5, open on the first flange disk 1
Several the first steam channels 2 are provided with, are offered on the second flange disk 5 identical with 2 quantity of the first steam channel and in water
Square the second symmetrical upwards steam channel 6, the first flange disk 1 and second flange disk 5 connect and cause the first steam channel 2
Connect to form total steam channel 7 with the second steam channel 6, first steam channel 2 is positioned close to first flange disk passage 4
Position at, second steam channel 6 is positioned close at the position of second flange disk passage 8.
As a further improvement on the present invention, first steam channel 2 has two and symmetrical is arranged on first flange
On the diameter line of disk 1, second steam channel 6 has two and symmetrical is arranged on the diameter line of second flange disk 5.
As a further improvement on the present invention, the present embodiment provides a kind of 7 one kind of total steam channel preferably mechanism form,
As shown in figure 1, total steam channel 7 is "Ji" type structure.By as can be seen tying for a "Ji" type sidewards
Structure.The diameter control of total steam channel 7 is 10~15cm.
Used as the preferred embodiment of the present invention, the flange of the present embodiment is also improved with following structure, positioned at first flange
The opening 3 of the described total steam channel 7 on disk 1 is 0.3~0.5cm apart from the distance of first flange disk passage 4, positioned at the second method
The opening 3 of the described total steam channel 7 on blue disk 5 is 0.3~0.5cm apart from the distance of second flange disk passage 8.
Embodiment 2
The present embodiment provides the flange of another more excellent structure.
As shown in Figure 3, Figure 4,1 a kind of, flange, including first flange disk 1, second flange disk 5, the first flange disk 1
On offer several the first steam channels 2, offer on the second flange disk 5 it is identical with 2 quantity of the first steam channel and
The second symmetrical in the horizontal direction steam channel 6, the first flange disk 1 and second flange disk 5 connect so that the first steam
Passage 2 connects to form total steam channel 7 with the second steam channel 6, and first steam channel 2 is positioned close to first flange disk
At the position of passage 4, second steam channel 6 is positioned close at the position of second flange disk passage 8.
First steam channel 2 have two and it is symmetrical be arranged on the diameter line of first flange disk 1, it is described second steam
Vapour passage 6 has two and symmetrical is arranged on the diameter line of second flange disk 5.
Preferably, the opening 3 of the described total steam channel 7 on first flange disk 1 is apart from first flange disk passage 4
Distance is 0.3~0.5cm, and the opening 3 of the described total steam channel 7 on second flange disk 5 is apart from second flange disk passage 8
Distance be 0.3~0.5cm.
As a further improvement on the present invention, the present embodiment provides a kind of 7 one kind of total steam channel preferably mechanism form
Total steam channel 7 is tubular structure.The diameter control of total steam channel is 10~15cm.
Embodiment 3
The present embodiment with the difference of embodiment 1 is:The diameter of total steam channel of the present embodiment is set to 15cm.Positioned at first
The opening 3 of the described total steam channel 7 on ring flange 1 is 0.5cm apart from the distance of first flange disk passage 4, positioned at the second method
The opening 3 of the described total steam channel 7 on blue disk 5 is 0.5 apart from the distance of second flange disk passage 8.
Embodiment 4
The present embodiment with the difference of embodiment 1 is:The diameter of total steam channel of the present embodiment is set to 12cm.Positioned at first
The opening 3 of the described total steam channel 7 on ring flange 1 is 0.4cm apart from the distance of first flange disk passage 4, positioned at the second method
The opening 3 of the described total steam channel 7 on blue disk 5 is 0.4 apart from the distance of second flange disk passage 8.
Embodiment 5
The present embodiment with the difference of embodiment 2 is:The diameter of total steam channel of the tubular structure of the present embodiment is set to
12cm.The opening 3 of the described total steam channel 7 on first flange disk 1 apart from the distance of first flange disk passage 4 is
0.4cm, the opening 3 of the described total steam channel 7 on second flange disk 5 apart from the distance of second flange disk passage 8 is
0.4cm。
Embodiment 6
The present embodiment with the difference of embodiment 2 is:The diameter of total steam channel of the tubular structure of the present embodiment is set to
15cm.The opening 3 of the described total steam channel 7 on first flange disk 1 apart from the distance of first flange disk passage 4 is
0.5cm, the opening 3 of the described total steam channel 7 on second flange disk 5 apart from the distance of second flange disk passage 8 is
0.5cm。
Claims (7)
1. a kind of flange, including first flange disk(1), second flange disk(5), it is characterised in that:The first flange disk(1)On
Offer several the first steam channels(2), the second flange disk(5)On offer and the first steam channel(2)Quantity phase
Same and the second symmetrical in the horizontal direction steam channel(6), the first flange disk(1)With second flange disk(5)Connection makes
Obtain the first steam channel(2)With the second steam channel(6)Connection forms total steam channel(7), first steam channel(2)If
Put near first flange disk passage(4)Position at, second steam channel(6)It is positioned close to second flange disk passage
(8)Position at.
2. a kind of flange according to claim 1, it is characterised in that:First steam channel(2)There are two and symmetrical
Be arranged on first flange disk(1)Diameter line on, second steam channel(6)There are two and symmetrical be arranged on the second method
Blue disk(5)Diameter line on.
3. a kind of flange according to claim 1, it is characterised in that:Total steam channel(7)For "Ji" type structure.
4. a kind of flange according to claim 1, it is characterised in that:Total steam channel(7)For tubular structure.
5. a kind of flange according to claim 1, it is characterised in that:Positioned at first flange disk(1)On described total steam
Passage(7)Opening(3)Apart from first flange disk passage(4)Distance be 0.3~0.5cm, positioned at second flange disk(5)On
Described total steam channel(7)Opening(3)Apart from second flange disk passage(8)Distance be 0.3~0.5cm.
6. a kind of flange according to claim 3, it is characterised in that:Total steam channel(7)A diameter of 10~
15cm。
7. a kind of flange according to claim 4, it is characterised in that:Total steam channel(7)A diameter of 10~
15cm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611079212.9A CN106523818A (en) | 2016-11-30 | 2016-11-30 | Flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611079212.9A CN106523818A (en) | 2016-11-30 | 2016-11-30 | Flange |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106523818A true CN106523818A (en) | 2017-03-22 |
Family
ID=58354157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611079212.9A Pending CN106523818A (en) | 2016-11-30 | 2016-11-30 | Flange |
Country Status (1)
Country | Link |
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CN (1) | CN106523818A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108758128A (en) * | 2018-07-02 | 2018-11-06 | 泰州市百冠泵阀科技有限公司 | A kind of hot type flange and its manufacturing method convenient for discharging |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040026922A1 (en) * | 2002-08-09 | 2004-02-12 | Carns James A. | Shrouded fluid-conducting apparatus |
CN200975578Y (en) * | 2006-11-29 | 2007-11-14 | 济南重工股份有限公司 | Double-layer pipeline joint |
CN203731833U (en) * | 2014-02-28 | 2014-07-23 | 攀枝花东立磷制品有限公司 | Hot oven used for preparation technology of phosphorus products |
CN104089130A (en) * | 2014-07-04 | 2014-10-08 | 江苏文凤化纤集团有限公司 | Flange special for nylon spinning machine |
CN204267928U (en) * | 2014-11-08 | 2015-04-15 | 山东英利实业有限公司 | External heat adpting flange in a kind of |
CN104847981A (en) * | 2015-06-12 | 2015-08-19 | 上海中船三井造船柴油机有限公司 | Connecting apparatus of dual-wall high-pressure gas pipelines |
EP2927471A1 (en) * | 2014-04-04 | 2015-10-07 | Caterpillar Motoren GmbH & Co. KG | Double-walled fuel supply line element and connecting flange for the same |
US9234614B2 (en) * | 2014-05-05 | 2016-01-12 | Electro-Motive Diesel, Inc. | Assembly for coupling a pair of double-walled tubes |
-
2016
- 2016-11-30 CN CN201611079212.9A patent/CN106523818A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040026922A1 (en) * | 2002-08-09 | 2004-02-12 | Carns James A. | Shrouded fluid-conducting apparatus |
CN200975578Y (en) * | 2006-11-29 | 2007-11-14 | 济南重工股份有限公司 | Double-layer pipeline joint |
CN203731833U (en) * | 2014-02-28 | 2014-07-23 | 攀枝花东立磷制品有限公司 | Hot oven used for preparation technology of phosphorus products |
EP2927471A1 (en) * | 2014-04-04 | 2015-10-07 | Caterpillar Motoren GmbH & Co. KG | Double-walled fuel supply line element and connecting flange for the same |
US9234614B2 (en) * | 2014-05-05 | 2016-01-12 | Electro-Motive Diesel, Inc. | Assembly for coupling a pair of double-walled tubes |
CN104089130A (en) * | 2014-07-04 | 2014-10-08 | 江苏文凤化纤集团有限公司 | Flange special for nylon spinning machine |
CN204267928U (en) * | 2014-11-08 | 2015-04-15 | 山东英利实业有限公司 | External heat adpting flange in a kind of |
CN104847981A (en) * | 2015-06-12 | 2015-08-19 | 上海中船三井造船柴油机有限公司 | Connecting apparatus of dual-wall high-pressure gas pipelines |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108758128A (en) * | 2018-07-02 | 2018-11-06 | 泰州市百冠泵阀科技有限公司 | A kind of hot type flange and its manufacturing method convenient for discharging |
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C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |