CN204921982U - Alkylation reaction cauldron is special sealed - Google Patents
Alkylation reaction cauldron is special sealed Download PDFInfo
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- CN204921982U CN204921982U CN201520450172.9U CN201520450172U CN204921982U CN 204921982 U CN204921982 U CN 204921982U CN 201520450172 U CN201520450172 U CN 201520450172U CN 204921982 U CN204921982 U CN 204921982U
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Abstract
The utility model discloses an alkylation reaction cauldron is special sealed, leading orifice sleeve subassembly (1) including establish ties setting up is rearmounted sealed with collection dress formula, and orifice sleeve subassembly (1) sets up towards the medium side, and the rearmounted sealed setting of collection dress formula is towards the atmospheric side, rearmounted sealed front end restrictor ring sealed (100), one -level primary seal (200) and second grade secondary seal (300) that include from the past atmospheric side orientation of medium side is established ties in proper order and is set up of collection dress formula, one -level primary seal (200) and second grade secondary seal (300) are mechanical seal. This alkylation reaction cauldron is special sealed includes two 1 restrictor ring devices, a pair of one -level primary seal through the creative design of the three terminal surface of application, and it is sealed to add a pair of second grade again, forms tertiary sealing up, finally realizes the zero leakage purpose of medium. The problem of the strong corrosivity of the strong adhesivity of gum material, the concentrated sulfuric acid leads to the fact the device to damage and lost efficacy is solved.
Description
Technical field
The utility model relates to technical field of sealing technology, is specifically related to the sealing that alkylated reaction still is special.
Background technique
Alkylation process is under the effect of catalyzer (sulfonic acid or hydrofluoric acid), low molecular weight olefins is combined with isobutane, make the reaction introducing alkyl in compound molecule, be alkyl by a molecular transfer to another molecule, form the process of alkylation.Alkylation process is mainly for the production of height
octane valuethe blending of gasoline
componentwith multiple important organic products.Severe corrosive acid is used: the concentrated sulphuric scid or hydrofluoric acid are as catalyzer, if generation performance will have a strong impact on the safety of equipment, personnel, environment in alkylation process.
Colloidal substance in alkylated reaction still, has strong adhesion, and the concentrated sulphuric scid of reaction use 98% is as catalyzer.If colloidal media enters sealing in still, will be attached on spring, and the floatability of sealing compensation ring is lost, and then colloidal media enter outside rinse-system, and cause outer flushing device to operate extremely, lost efficacy; 98% concentrated sulphuric scid has superpower oxidability, dehydration property, difficult volatility, severe corrosive.Strong oxidizing property, severe corrosive can cause the corrosion and damage of metalwork, and dehydration property and difficult volatility then prove that dielectric viscosity is high, concentration large, easily cause the adhesion of medium and are attached on structural member, causing deep erosions.If leak, colloidal media and the concentrated sulphuric scid enter external system, external equipment will be made to block, stuck with multiple-disruptions such as corrosion.
Model utility content
The purpose of this utility model is to provide a kind of alkylated reaction still Special seal, with the problem solving the strong stickability of former alkylated reaction still mechanical seal solution colloid material, the severe corrosive of the concentrated sulphuric scid causes device to damage and lost efficacy.
For reaching foregoing invention object, the technological scheme that the utility model adopts is: provide a kind of alkylated reaction still Special seal, comprise the preposition orifice sleeve assembly and the rearmounted sealing of unit loading type that are arranged in series, orifice sleeve assembly is arranged on towards side medium, and the rearmounted sealing of unit loading type is arranged on towards atmospheric side; The rearmounted sealing of unit loading type comprise be arranged in series successively toward atmospheric side direction from side medium front-end throttling ring sealing, one-level primary seal and secondary pair sealing; One-level primary seal and secondary pair are sealed into mechanical seal.
Axle sleeve A is provided with inside preposition orifice sleeve assembly.
The rearmounted sealing inner side of unit loading type is that the air side of axle sleeve B and axle sleeve C, axle sleeve B is fixedly connected with by Cock screw with the medium side of axle sleeve C; Be arranged with driving ring outside the air side of axle sleeve C, driving ring be provided through axle sleeve C for driving ring and axle being fixedly attached to the Cock screw on axle;
The rearmounted sealing outside of unit loading type is that the air side of cavity A and cavity B, cavity A is fixedly connected with the medium side of cavity B;
Preposition orifice sleeve assembly comprises the throttling ring seat, restrictor ring, spring and the pressing plate that set gradually toward atmospheric side direction from side medium, and throttling ring seat is fixedly connected with pressing plate, and restrictor ring abuts throttling ring seat by the spring be arranged on pressing plate; Throttling ring seat is fixedly connected with the medium side of axle sleeve B with cavity A respectively by Cock screw with pressing plate;
One-level primary seal is arranged between cavity A and axle sleeve C, one-level primary seal comprises rotating ring A and stationary ring A, and rotating ring A is arranged on axle sleeve C by rotating seat, and axle sleeve C and rotating ring A is provided with Cock screw, stationary ring A is arranged in cavity A by spring is relocatable, and stationary ring A is also provided with stop pin;
The sealing of secondary pair is arranged between cavity B and axle sleeve C, and the sealing of secondary pair comprises stationary ring B and rotating ring B, and stationary ring B is by the relocatable air side being arranged on cavity B of spring, and rotating ring B is arranged on driving ring, and rotating ring B is also provided with stop pin.
Cavity B and axle sleeve C is provided with bearing, and bearing is also between one-level primary seal and the sealing of secondary pair.
The air side of axle sleeve C is provided with retaining ring.
The rearmounted sealing of unit loading type is provided with for introducing the A channel of irrigation to one-level primary seal from outside; The rearmounted sealing of unit loading type is provided with introduces turbine oil to one-level primary seal and the secondary channel B sealed of secondary from outside; The rearmounted sealing of unit loading type is also provided with the C-channel of discharging turbine oil.
Unit loading type rearmounted sealing atmospheric side one end is provided with positioning means, and positioning means comprises setting sleeve and positioning block, and positioning block is arranged on outside driving ring, and clamping driving ring is fixed in positioning block inside edge; Be provided with setting sleeve between cavity B and positioning block, holding down bolt is fixedly connected with cavity B with setting sleeve through positioning block, and driving ring, positioning block, setting sleeve and cavity B are fastenedly connected and are integrated by holding down bolt.
This alkylated reaction still Special seal, by the Creative Design of utilization three end faces, comprises two 1 restrictor ring devices, a pair one-level primary seal, then adds a pair secondary seal, form three grades of sealings, finally realize the zero leakage object of medium.The problem that the severe corrosive of the strong stickability of solution colloid material, the concentrated sulphuric scid causes device to damage and lost efficacy.
Accompanying drawing explanation
Fig. 1 is the structural representation of model utility.
Wherein: front-end throttling ring sealing (100, comprise: 25,9,27,28), one-level primary seal (200, comprise: 23,6,7,9,10), secondary pair sealing (300, comprise: 21,9,13,19); 1, preposition orifice sleeve assembly (1); 2, axle sleeve A (2); 3, axle sleeve B (3); 4, Cock screw (4); 5, stop pin (5); 6, rotating ring A (6); 7, stationary ring A (7); 8, setting sleeve (8); 9, spring (9); 10, cavity A (10); 11, bearing (11); 12, axle sleeve C (12); 13, stationary ring B (13); 14, driving pin (14); 15, positioning block (15); 16, driving ring (16); 17, holding down bolt (17); 18, retaining ring (18); 19, rotating ring B (19); 21, cavity B (21); 22, locking ring (22); 23, rotating seat (23); 25, pressing plate (25); 27, restrictor ring (27); 28, throttling ring seat (28); A channel (A); Channel B (B); C-channel (C).
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1, this alkylated reaction still Special seal, comprise the preposition orifice sleeve assembly 1 and the rearmounted sealing of unit loading type that are arranged in series, orifice sleeve assembly 1 is arranged on towards side medium, and the rearmounted sealing of unit loading type is arranged on towards atmospheric side; The rearmounted sealing of unit loading type comprises the left and secondary sealing 300 of secondary of the front-end throttling ring sealing 100, the one-level primary seal 200 that are arranged in series successively toward atmospheric side direction from side medium; One-level primary seal 200 is left and secondary is secondary seals 300 for mechanical seal.
Axle sleeve A2 is provided with inside preposition orifice sleeve assembly 1.
The rearmounted sealing inner side of unit loading type is that the air side of axle sleeve B3 and axle sleeve C12, axle sleeve B3 is fixedly connected with by Cock screw 4 with the medium side of axle sleeve C12; Be arranged with driving ring 16 outside the air side of axle sleeve C12, driving ring 16 be provided through axle sleeve C12 for driving ring 16 and axle being fixedly attached to the Cock screw 4 on axle;
The rearmounted sealing outside of unit loading type is that the air side of cavity A10 and cavity B21, cavity A10 is fixedly connected with the medium side of cavity B21;
Preposition orifice sleeve assembly 1 comprises the throttling ring seat 28, restrictor ring 27, spring 9 and the pressing plate 25 that set gradually toward atmospheric side direction from side medium, throttling ring seat 28 is fixedly connected with pressing plate 25, and restrictor ring 27 abuts throttling ring seat 28 by the spring 9 be arranged on pressing plate 25; Throttling ring seat 28 is fixedly connected with the medium side of axle sleeve B3 with cavity A10 respectively by Cock screw 4 with pressing plate 25;
One-level primary seal 200 is arranged between cavity A10 and axle sleeve C12, one-level primary seal 200 comprises rotating ring A6 and stationary ring A7, rotating ring A6 is arranged on axle sleeve C12 by rotating seat 23, axle sleeve C12 and rotating ring A6 is provided with Cock screw 4, stationary ring A7 is arranged in cavity A10 by spring 9 is relocatable, and stationary ring A7 is also provided with stop pin 5;
Secondary pair sealing 300 is arranged between cavity B21 and axle sleeve C12, secondary pair sealing 300 comprises stationary ring B13 and rotating ring B19, stationary ring B13 is by the relocatable air side being arranged on cavity B21 of spring 9, and rotating ring B19 is arranged on driving ring 16, and rotating ring B19 is also provided with stop pin 5.
Cavity B21 and axle sleeve C12 is provided with bearing 11, and bearing 11 is also between one-level primary seal 200 and secondary pair sealing 300.
The air side of axle sleeve C12 is provided with retaining ring 18.
The rearmounted sealing of unit loading type is provided with for introducing the A channel A of irrigation to one-level primary seal 200 from outside; The rearmounted sealing of unit loading type is provided with introduces from outside turbine oil seals 300 channel B B to one-level primary seal 200 and secondary pair; The rearmounted sealing of unit loading type is also provided with the C-channel C discharging turbine oil.
Unit loading type rearmounted sealing atmospheric side one end is provided with positioning means, and positioning means comprises setting sleeve 8 and positioning block 15, and positioning block 15 is arranged on outside driving ring 16, and clamping driving ring 16 is fixed in positioning block 15 inside edge; Be provided with setting sleeve 8 between cavity B21 and positioning block 15, holding down bolt 17 is fixedly connected with cavity B21 with setting sleeve 8 through positioning block 15, and driving ring 16, positioning block 15, setting sleeve 8 and cavity B21 are fastenedly connected and are integrated by holding down bolt 17.
Preposition orifice sleeve assembly 1 constitutes preposition sealing, due to the throttling action in gap, the irrigation of pressure higher than medium in still is introduced in outside, after the front-end throttling ring sealing 100 of cartridge seal, be obstructed at this, form the liquid environment of a pressure higher than still internal pressure.Material is flow from high pressure to low pressure all the time, therefore, by preposition orifice sleeve assembly 1, utilizes the outer of elevated pressures to draw the sealing of rinsing and achieving material in still, protects the rearmounted sealing of unit loading type.The innoxious substance that the outside flushing medium introduced usually to use in still dangerous less medium in component or mixes with material in still.
Owing to being provided with preposition orifice sleeve assembly 1, for cartridge seal, its real medium is then mainly the outside fluid introduced.The rearmounted sealing of unit loading type arranges front-end throttling ring sealing 100, and one-level primary seal 200 seals 300 with secondary pair.Draw irrigation outward in front-end throttling ring sealing 100 and one-level primary seal 200, form the liquid barrier region of elevated pressures.Wear and tear at preposition orifice sleeve assembly 1, lost efficacy or after hydraulic performance decline, realized the sealing to material in still, thus protection one-level primary seal 200 and secondary pair sealing 300, increase the service life.
Fill the turbine oil that external system provides between one-level primary seal 200 and secondary pair sealing 300, pressure, higher than drawing flushing material outward, utilizes liquid lock principle to intercept the leakage of outer primer material.Be provided with bearing 11 between one-level primary seal 200 and secondary pair sealing 300, still stirring shaft swung and drops to minimum on the impact of one-level primary seal 200 and secondary pair sealing 300 working staties, thus increase the service life.Turbine oil draws outside flushing material except intercepting, and also plays the effect of lubrication, cooling bearing.Under normal circumstances, by three grades of sealings of the rearmounted sealing of unit loading type, the medium finally leaking into atmosphere environment only has turbine oil, achieves real " zero leakage " of colloid material and severe corrosive sulfuric acid.Friction pair adopts high strength, high hardness material, enhances the adaptability to equipment, is conducive to increasing the service life.
This device axle sleeve is directly connected on transmission shaft, axial motion is prevented by retainer ring retaining ring 18, axle sleeve C12 is driven to rotate by driving ring, axle sleeve A2 and axle sleeve B3 is driven to rotate by corresponding Cock screw 4, corresponding Cock screw 4 connects each rotating seat, each rotating seat is rotated together by driving pin, and then achieves the running of whole sealing rotary turntable.
The front-end throttling ring sealing 100 of preposition orifice sleeve assembly 1, the rearmounted sealing of unit loading type and each supportive component, adopt the material composition of Resistance to Concentrated Sulfuric Acid Corrosion, can long-play, all the other structural elements metallic material adopt stainless steel, have saved unitary construction cost.Preposition orifice sleeve assembly 1 is relatively independent with the rearmounted sealing of unit loading type, when changing sealing, if preposition orifice sleeve assembly 1 is all right, can changes, simplify operation.
This unit loading type rearmounted sealing atmospheric side one end is provided with positioning means, for fixing the relative position of each axle sleeve and each cavity after the rearmounted sealing of this unit loading type has been assembled, and then the position of fixing sealing component at different levels.When the rearmounted sealing of this unit loading type is installed and used, can be removed, can normally work to make the rearmounted sealing of this unit loading type.
Although describe in detail embodiment of the present utility model by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (7)
1. alkylated reaction still Special seal, it is characterized in that: comprise the preposition orifice sleeve assembly (1) and the rearmounted sealing of unit loading type that are arranged in series, orifice sleeve assembly (1) is arranged on towards side medium, and the rearmounted sealing of unit loading type is arranged on towards atmospheric side; The rearmounted sealing of unit loading type comprises front-end throttling ring sealing (100), one-level primary seal (200) and the secondary pair sealing (300) that are arranged in series successively toward atmospheric side direction from side medium; One-level primary seal (200) and secondary pair sealing (300) are mechanical seal.
2. alkylated reaction still Special seal according to claim 1, is characterized in that: preposition orifice sleeve assembly (1) inner side is provided with axle sleeve A (2).
3. alkylated reaction still Special seal according to claim 1, is characterized in that:
The rearmounted sealing inner side of unit loading type is that the air side of axle sleeve B (3) and axle sleeve C (12), axle sleeve B (3) is fixedly connected with by Cock screw (4) with the medium side of axle sleeve C (12); Be arranged with driving ring (16) outside the air side of axle sleeve C (12), driving ring (16) be provided through axle sleeve C (12) for driving ring (16) and axle being fixedly attached to the Cock screw (4) on axle;
The rearmounted sealing outside of unit loading type is that the air side of cavity A (10) and cavity B (21), cavity A (10) is fixedly connected with the medium side of cavity B (21);
Preposition orifice sleeve assembly (1) comprises the throttling ring seat (28), restrictor ring (27), spring (9) and the pressing plate (25) that set gradually toward atmospheric side direction from side medium, throttling ring seat (28) is fixedly connected with pressing plate (25), and restrictor ring (27) abuts throttling ring seat (28) by the spring (9) be arranged on pressing plate (25); Throttling ring seat (28) is fixedly connected with the medium side of axle sleeve B (3) with cavity A (10) respectively by Cock screw (4) with pressing plate (25);
One-level primary seal (200) is arranged between cavity A (10) and axle sleeve C (12), one-level primary seal (200) comprises rotating ring A (6) and stationary ring A (7), rotating ring A (6) is arranged on axle sleeve C (12) by rotating seat (23), axle sleeve C (12) and rotating ring A (6) is provided with Cock screw (4), stationary ring A (7) is arranged in cavity A (10) by spring (9) is relocatable, and stationary ring A (7) is also provided with stop pin (5);
Secondary pair sealing (300) is arranged between cavity B (21) and axle sleeve C (12), secondary pair sealing (300) comprises stationary ring B (13) and rotating ring B (19), stationary ring B (13) is by the relocatable air side being arranged on cavity B (21) of spring (9), rotating ring B (19) is arranged on driving ring (16), and rotating ring B (19) is also provided with stop pin (5).
4. alkylated reaction still Special seal according to claim 3, it is characterized in that: cavity B (21) and axle sleeve C (12) are provided with bearing (11), bearing (11) is also positioned between one-level primary seal (200) and secondary pair sealing (300).
5. alkylated reaction still Special seal according to claim 3, is characterized in that: the air side of axle sleeve C (12) is provided with retaining ring (18).
6. alkylated reaction still Special seal according to claim 3, is characterized in that: the rearmounted sealing of unit loading type is provided with for introducing the A channel (A) of irrigation to one-level primary seal (200) from outside; The rearmounted sealing of unit loading type is provided with introduces from outside turbine oil seals (300) channel B (B) to one-level primary seal (200) and secondary pair; The rearmounted sealing of unit loading type is also provided with the C-channel (C) of discharging turbine oil.
7. alkylated reaction still Special seal according to claim 3, it is characterized in that: unit loading type rearmounted sealing atmospheric side one end is provided with positioning means, positioning means comprises setting sleeve (8) and positioning block (15), positioning block (15) is arranged on driving ring (16) outside, and clamping driving ring (16) is fixed in positioning block (15) inside edge; Setting sleeve (8) is provided with between cavity B (21) and positioning block (15), holding down bolt (17) is fixedly connected with cavity B (21) with setting sleeve (8) through positioning block (15), and driving ring (16), positioning block (15), setting sleeve (8) and cavity B (21) are fastenedly connected and are integrated by holding down bolt (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450172.9U CN204921982U (en) | 2015-06-26 | 2015-06-26 | Alkylation reaction cauldron is special sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520450172.9U CN204921982U (en) | 2015-06-26 | 2015-06-26 | Alkylation reaction cauldron is special sealed |
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| Publication Number | Publication Date |
|---|---|
| CN204921982U true CN204921982U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520450172.9U Active CN204921982U (en) | 2015-06-26 | 2015-06-26 | Alkylation reaction cauldron is special sealed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909799A (en) * | 2016-06-20 | 2016-08-31 | 成都通密封股份有限公司 | Ultralow-temperature dry gas seal |
| CN109550643A (en) * | 2017-09-26 | 2019-04-02 | 东莞市雅康精密机械有限公司 | The coating die head and coating machine of electrodes of lithium-ion batteries |
-
2015
- 2015-06-26 CN CN201520450172.9U patent/CN204921982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909799A (en) * | 2016-06-20 | 2016-08-31 | 成都通密封股份有限公司 | Ultralow-temperature dry gas seal |
| CN109550643A (en) * | 2017-09-26 | 2019-04-02 | 东莞市雅康精密机械有限公司 | The coating die head and coating machine of electrodes of lithium-ion batteries |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610100, No. 26, Xingguang West Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, Chengdu Patentee after: CHENGDU YITONG SEAL CO., LTD. Address before: 610100, No. 26, Xingguang West Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, Chengdu Patentee before: Chengdu Yitong Seal Co., Ltd. |