CN207418288U - Closed loading arm at the top of a kind of corrosive fluid - Google Patents
Closed loading arm at the top of a kind of corrosive fluid Download PDFInfo
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- CN207418288U CN207418288U CN201721005493.3U CN201721005493U CN207418288U CN 207418288 U CN207418288 U CN 207418288U CN 201721005493 U CN201721005493 U CN 201721005493U CN 207418288 U CN207418288 U CN 207418288U
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- arm
- rotary joint
- ring
- flange
- corrosive fluid
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Abstract
Closed loading arm at the top of a kind of corrosive fluid, including column, the gentle phase arm of liquid phase arm being arranged side by side, the uprights vertical is fixed on ground, inlet connecting is fixed on column, inlet connecting is connected first with first rotary joint, first rotary joint other end is connected with inner arm, inner arm is connected fixation with column by bearing block, the inner arm other end then successively with second rotary joint, first intermediate connector, 3rd rotary joint, outer arm, 4th rotary joint, second intermediate connector, 5th rotary joint, overhanging arm, spring cylinder balanced controls are arranged between outer arm and first intermediate connector；Polytetrafluoroethylene material corrosion-resistant coating is equipped in all pipelines of the gentle phase arm of liquid phase arm；The flow-passing surface and sealing surface of the rotary joint are equipped with anticorrosion Fluorine-lined layer.Its is simple in structure, corrosion resistance is stronger, production and processing is convenient, and leakproofness is more reliable, and operation is safer.
Description
Technical field
The utility model is related to a kind of fluid assembly and disassembly equipment, closed loading arm at the top of particularly a kind of corrosive fluid.
Background technology
When train tanker vehicle, tank wagon are when fluid transports vehicle is in corrosive fluid medium entrucking, such as anhydrous HF, hydrochloric acid
Korrosionsmediums are waited, great corrosion are be easy to cause to the flow-passing surface steel part of fluid entrucking arm, so as to shorten the use of entrucking arm
Service life is also susceptible to the poorly sealed danger for causing leakage.At present, the transport of corrosive fluid medium mainly passes through stainless steel
Loading arm made of part is completed, by the material property of stainless steel material come instead of the ordinary carbon steel material being easily corroded, so
And be also difficult to meet corrosion resistance requirement after long-time service, leakage is be easy to cause, causes the requirement that can not meet handling.It is existing
Corrosive fluid handling also have what is handled using plastic-spraying, but plastic-spraying is larger on difficulty of processing, and flow-passing surface plastic-spraying wall thickness is also difficult
It is uniform to ensure, it can not also ensure adhesion, easily come off, so that flow-passing surface steel part is directly contacted with corrosive fluid,
There are security risks.
The content of the invention
The technical problems to be solved in the utility model is in view of the deficiencies of the prior art, it is proposed that a kind of simple in structure, anti-
Corrosivity is stronger, production and processing is convenient, and leakproofness is more reliable, operates closed loading arm at the top of safer corrosive fluid.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of corrosive fluid top
Portion's closed loading arm, its main feature is that：Including column, the gentle phase arm of liquid phase arm being arranged side by side,
The gentle phase arm of liquid phase arm includes such as lower member：Inlet connecting, inner arm, inner arm retaining mechanism, outer arm, spring cylinder
Balanced controls, overhanging arm,
The uprights vertical is fixed on ground, and inlet connecting is fixed on column, inlet connecting first with first
Rotary joint connects, and first rotary joint other end is connected with inner arm, and inner arm is connected fixation, inner arm with column by bearing block
The other end is then rotated with second rotary joint, first intermediate connector, the 3rd rotary joint, outer arm, the 4th successively
Connector, second intermediate connector, the 5th rotary joint, overhanging arm connection, spring cylinder balanced controls are arranged on outer arm and the
Between one intermediate connector；
Polytetrafluoroethylene material corrosion-resistant coating is equipped in all pipelines of the gentle phase arm of liquid phase arm；
The rotary joint includes inner ring, outer ring, roller type bearing arrangement is equipped between Internal and external cycle, equipped with rotary joint
Flange is equipped with clamping ring and washer, is set between rotary joint flange and inner ring end face between rotary joint flange and cycle surface
There is primary seal circle, rotary joint flange, clamping ring, washer and outer ring, which are connected by screw, to be integrated, inner ring and rotary joint method
Blue flow-passing surface and sealing surface is equipped with anticorrosion Fluorine-lined layer.
The technical problems to be solved in the utility model can also realize further by the following technical programs, outer ring with it is interior
The both sides of roller type bearing are equipped with secondary seal ring between circle.
The technical problems to be solved in the utility model can also be realized further by the following technical programs, in clamping ring
With being designed with leak detection plug screw on washer.
The technical problems to be solved in the utility model can also realize further by the following technical programs, rotary flange
And inner ring is used for the end face docked with both sides pipe flange and is equipped with positioning screw.
The technical problems to be solved in the utility model can also realize further by the following technical programs, outer ring with it is interior
Double-row-roller formula bearing arrangement is equipped between circle.
Compared with prior art, the utility model is simple in structure, corrosion resistance is stronger, production and processing is convenient, and leakproofness is more
Reliably, operate safer.
1) the utility model creatively serves as a contrast polytetrafluoroethylene material in insides of pipes, with this block corrosive fluid with
Rigid conduit contacts directly, and the rotary joint of selection loads and unloads Special rotary connector for corrosive fluid, is gathered using special lining
Tetrafluoroethene structure so that a whole set of entrucking arm configuration is dexterous, and security is stronger, corrosion resistance is more preferable；
2) rotary joint uses both ends flange form connection structure, and installation, maintenance is convenient；
3) use is safer, and due to using special lining teflon structure, pipeline closed is more preferable, corrosion resistance
Stronger, service life is longer, largely saves production and operation cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of rotary joint.
Specific embodiment
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, without forming the limitation to its right.
As shown in the figure：1 column, 2 inner arm locking mechanisms, 3 gas phase inlet connectings, 4 vacuum circuit breakers, 5 gas phase inner arms, 6
Spring cylinder balanced controls, 7 gas phase outer arms, 8 gas phase overhanging arms, 9 gas phase manual ball valves, 10 gas phases pick up loose flange, 11 liquid phases
Pick up loose flange, 12 liquid phase manual ball valves, 13 static conductive bands, 14 liquid phase outer arms, 15 liquid phase inner arms, the connection of 16 liquid phase entrances
Part, 17 inner rings, 18 secondary seal rings, 19 steel balls, 20 plug screws, 21 outer rings, 22 washers, 23 leak detection plug screws, 24 clamping rings, 25 positioning spiral shells
Nail, 26 primary seal circles, 27 screws, 28 rotary joint flanges.
Closed loading arm at the top of a kind of corrosive fluid, including column 1, liquid phase inlet connecting 16, the connection of gas phase entrance
Part 3, liquid phase inner arm 15, gas phase inner arm 5, inner arm retaining mechanism 2, gas phase outer arm 7, liquid phase outer arm 14, spring cylinder balanced controls 6,
The compositions such as gas phase overhanging arm 8, liquid phase overhanging arm 13, the column 1 are perpendicularly fixed at ground, and liquid phase inlet connecting 16 is fixed on
On column 1, end flange is connected with liquid phase input duct, and the other end is connected with first rotary joint, first rotary joint
The other end is connected with liquid phase inner arm 15, and for liquid phase inner arm 15 by being connected fixation with column 1 by bearing block, liquid phase inner arm 15 is another
It is then revolved successively with second rotary joint, first intermediate connector, the 3rd rotary joint, liquid phase outer arm 14, the 4th at end
Adapter, second intermediate connector, the 5th rotary joint, liquid phase overhanging arm connection, liquid phase arm altogether there are five rotary joint,
Two intermediate connectors, the liquid phase outer arm 14 and first intermediate connector are equipped with spring cylinder balanced controls 6, so form one
Item is completely closed can be freely rotated, balance the liquid phase arm taken down the exhibits.The gentle phase arm of liquid phase arm being arranged side by side, gas phase arm institute
It is identical with liquid phase arm to state structure.
Polytetrafluoroethylene material corrosion-resistant coating is equipped in all pipelines of the gentle phase arm of liquid phase arm.
The rotary joint includes inner ring 17, outer ring 21, roller type bearing arrangement is equipped between Internal and external cycle, equipped with rotation
Joint flange 28 is equipped with clamping ring 24 and washer 22, rotary joint flange and inner ring between rotary joint flange and cycle surface
Primary seal circle 26 is equipped between end face, rotary joint flange, clamping ring, washer and outer ring are connected as one by screw 27, interior
The flow-passing surface and sealing surface of circle and rotary joint flange are equipped with anticorrosion Fluorine-lined layer.
Inner ring, the flow-passing surface of rotary flange and sealing surface use Fluorine-lined layer；Step is equipped at rotary flange endoporus, is prevented
The only movement of Fluorine-lined layer；In inner ring and primary seal circle contact position using Fluorine-lined turnup structure, ensure that Fluorine-lined is solid and reliable.Liner gathers
Tetrafluoroethene layer (PTFE) ensures that corrosive fluid does not contact steel part, steel part is avoided to be corroded.
Primary seal circle is equipped among rotary flange and inner ring, for rotary joint inner ring with during flange rotary end face it is close
Envelope, to prevent the leakage of corrosive fluid.
Clamping ring and washer are equipped between rotary flange and outer ring, is mainly used for when primary seal poor sealing is revealed,
For fluid secondary seal, so as to be effectively protected together in leakproofness increase.
Clamping ring is equipped between rotary flange and outer ring, for the installation of primary seal circle and flange Fluorine-lined.
The both sides of roller type bearing are equipped with secondary seal ring 18 between outer ring and inner ring.For dust-separation and raceway lubricant grease
Sealing.
Leak detection plug screw is designed on clamping ring and washer.The clamping ring and washer are equipped with 2 leak detection plug screws 23,
For the monitoring of corrosive fluid leakage, the security that rotary joint uses is improved.For checking whether rotary joint has leakage
The phenomenon that generation.
Rotary flange and inner ring are used for the end face docked with both sides pipe flange and are equipped with positioning screw.The rotary process
Blue, inner ring is used for the end face docked with pipe flange and is equipped with positioning screw 25 so that the sealed vol of both ends flanged joint can obtain
Effectively control so that sealing ring using it is more durable, sealing effect is more preferable.When being docked for control flange the depth of parallelism of sealing surface and
The control of the compression ratio of gasket, with prevent flange seal uneven and gasket seal compression it is uneven and caused by leakage.
Double-row-roller formula bearing arrangement is equipped between outer ring and inner ring.Ensure that two side ducts of rotary joint rotate coaxial
Degree, avoid the decentraction that similar single roller path structure occurs and caused by stuck phenomenon.
Claims (5)
1. a kind of closed loading arm at the top of corrosive fluid, it is characterised in that：
Including column, the gentle phase arm of liquid phase arm being arranged side by side,
The gentle phase arm of liquid phase arm includes such as lower member：Inlet connecting, inner arm, inner arm retaining mechanism, outer arm, spring cylinder balance
Mechanism, overhanging arm,
The uprights vertical is fixed on ground, and inlet connecting is fixed on column, and inlet connecting rotates first with first
Connector connects, and first rotary joint other end is connected with inner arm, and inner arm is connected fixation with column by bearing block, and inner arm is another
End then successively with second rotary joint, first intermediate connector, the 3rd rotary joint, outer arm, the 4th rotary joint,
Second intermediate connector, the 5th rotary joint, overhanging arm connection, spring cylinder balanced controls are arranged in outer arm and first
Between between connector；
Polytetrafluoroethylene material corrosion-resistant coating is equipped in all pipelines of the gentle phase arm of liquid phase arm；
The rotary joint includes inner ring, outer ring, roller type bearing arrangement is equipped between Internal and external cycle, equipped with rotary joint method
Orchid is equipped with clamping ring and washer, is equipped between rotary joint flange and inner ring end face between rotary joint flange and cycle surface
Primary seal circle, rotary joint flange, clamping ring, washer and outer ring, which are connected by screw, to be integrated, inner ring and rotary joint flange
Flow-passing surface and sealing surface be equipped with anticorrosion Fluorine-lined layer.
2. closed loading arm at the top of corrosive fluid according to claim 1, it is characterised in that：It is rolled between outer ring and inner ring
The both sides of minor bearing are equipped with secondary seal ring.
3. closed loading arm at the top of corrosive fluid according to claim 1, it is characterised in that：On clamping ring and washer
It is designed with leak detection plug screw.
4. closed loading arm at the top of corrosive fluid according to claim 1, it is characterised in that：Rotary flange and inner ring are used
Positioning screw is equipped in the end face docked with both sides pipe flange.
5. closed loading arm at the top of corrosive fluid according to claim 1, it is characterised in that：It is set between outer ring and inner ring
There is Double-row-roller formula bearing arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721005493.3U CN207418288U (en) | 2017-08-12 | 2017-08-12 | Closed loading arm at the top of a kind of corrosive fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721005493.3U CN207418288U (en) | 2017-08-12 | 2017-08-12 | Closed loading arm at the top of a kind of corrosive fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207418288U true CN207418288U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721005493.3U Active CN207418288U (en) | 2017-08-12 | 2017-08-12 | Closed loading arm at the top of a kind of corrosive fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207418288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178451A (en) * | 2020-09-06 | 2021-01-05 | 连云港杰瑞自动化有限公司 | Semi-automatic tank car loading and unloading arm and control method thereof |
-
2017
- 2017-08-12 CN CN201721005493.3U patent/CN207418288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178451A (en) * | 2020-09-06 | 2021-01-05 | 连云港杰瑞自动化有限公司 | Semi-automatic tank car loading and unloading arm and control method thereof |
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