CN204611201U - A kind of diaphragm type buffer with insulation jacket - Google Patents
A kind of diaphragm type buffer with insulation jacket Download PDFInfo
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- CN204611201U CN204611201U CN201520326737.2U CN201520326737U CN204611201U CN 204611201 U CN204611201 U CN 204611201U CN 201520326737 U CN201520326737 U CN 201520326737U CN 204611201 U CN204611201 U CN 204611201U
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- insulation jacket
- barrier film
- gas
- flange
- type buffer
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Abstract
The utility model discloses a kind of diaphragm type buffer with insulation jacket, comprise hydraulic pressure end, accumulation of energy end, position-limit mechanism and barrier film, described hydraulic pressure end comprises insulation jacket, liquid end housing, incubation cavity and sap cavity, described insulation jacket and liquid end housing surround incubation cavity, and described liquid end housing and barrier film surround sap cavity.A kind of diaphragm type buffer Applicable media scope with insulation jacket that the utility model provides is wide, almost be applicable to various chemical medium, anti-pressure ability is strong, good buffer effect, high temperature resistant, corrosion-resistant, there is heating and heat preserving function, work safety, reliable, long service life, installation, maintenance is convenient.
Description
Technical field
The utility model belongs to buffer technology field, is specifically related to a kind of diaphragm type buffer with insulation jacket.
Background technique
Buffer also claims accumulator or air chamber, and it utilizes the compression of gas or expand to store or release a part of liquid to reach the supplementary equipment reduced in pipeline for the purpose of mass flow discrepancy evenness.
In current each large chemical plant flow at home, when carrying some easy crystallizations to need the medium of heating and thermal insulation with positive displacement pump (as metering pump, reciprocating pump) (such as in rubber antioxidant production technology, BT training department need be added in process system) with metering pump, because buffer in the market does not possess heating and heat preserving function, make it cannot select suitable buffer, thus cause the series of problems such as the vibrations of pump discharge pipeline, inflow-rate of water turbine and instrument damage, bring to the normal production of company and have a strong impact on.
Model utility content
Not enough for prior art, the utility model provides a kind of diaphragm type buffer with insulation jacket with heating and heat preserving function, reliable performance, long service life.
For realizing model utility object, the utility model by the following technical solutions:
A kind of diaphragm type buffer with insulation jacket, comprise hydraulic pressure end, accumulation of energy end, position-limit mechanism and barrier film, described hydraulic pressure end comprises insulation jacket, liquid end housing, incubation cavity and sap cavity, described insulation jacket and liquid end housing surround incubation cavity, and described liquid end housing and barrier film surround sap cavity.
Be preferably, described position-limit mechanism is located between accumulation of energy end and hydraulic pressure end, described position-limit mechanism comprises lamina membranacea, lower lamina membranacea and snubber, described barrier film is located between lamina membranacea and lower lamina membranacea, described snubber comprises guide sleeve, large snap ring, spacing core, little snap ring and spring, guide sleeve is fixed in the intermediate hole seat of lower lamina membranacea by large snap ring, moving axially of large snap ring restricted guidance cover, spacing core is arranged in the endoporus of guide sleeve by little snap ring, little snap ring limits the extreme displacement that spacing core up moves, spring housing is on spacing core, under the effect of barrier film thrust down and spring elastic force up, spacing core moves axially in the hole of guide sleeve, squeezed bad in the intermediate hole that spacing core can prevent barrier film intermediate portion from clamp-oning lower lamina membranacea.
Be preferably, described accumulation of energy end comprises gas end housing, gas end flange, gas charging valve, the gentle chamber of inflation valve seat, described gas end housing bottom is connected with gas end flange, and described gas charging valve is connected with gas end housing top by inflation valve seat, and described gas end housing and barrier film surround air cavity; Described hydraulic pressure end also comprises flange, short tube, liquid end flange, import temperature joint and exports warm joint, described flange is connected with short tube lower end, described upper end of short tube is connected with insulation jacket and liquid end housing respectively, described liquid end flange is connected with the top of insulation jacket and liquid end housing respectively, and described import temperature joint and the warm joint of outlet are arranged in insulation jacket.
Be preferably, described upper lamina membranacea is arranged in the hole seat of gas end flange by excircle orientation, and described lower lamina membranacea is arranged in the hole seat of liquid end flange by excircle orientation, and gas end flange and liquid end flange are compressed by fastening piece.
Be preferably, described upper lamina membranacea is a space curved surface near the face of barrier film side, shape after curve form and diaphragm deflection are out of shape matches, after barrier film upwards perturbs arrival to a certain degree, the space curved surface of upper lamina membranacea will be fitted with barrier film, limit barrier film displacement upwards, prevent its excessive deformation; Described lower plate is the space curved surface of a middle with hole near the face of barrier film side, shape after curve form and diaphragm deflection are out of shape matches, after barrier film perturbs arrival to a certain degree downwards, the space curved surface of lower lamina membranacea will be fitted with barrier film, except holed part, limit the displacement that barrier film is downward, prevent its excessive deformation.
Be preferably, described spacing core upper end portion is the truncated cone of standing upside down, and the space of the intermediate hole composition of the cone conical surface and lower lamina membranacea is the passage of liquid overcurrent, and this structure upper area of contact is large and quality is light, is beneficial to spacing.
Be preferably, described gas end housing, gas end flange, gas charging valve, inflation valve seat, liquid end housing, liquid end flange, insulation jacket, import temperature joint, export the Placement that warm joint, short tube and flange all adopt welding, described gas charging valve is threaded with inflation valve seat, firm welding, is threaded and combines firmly and easily dismantle.
Be preferably, described barrier film adopts polytetrafluoroethylmaterial material, this material is high temperature resistant, corrosion-resistant, do not adhere to, nonhazardous.
The working principle of the diaphragm type buffer with insulation jacket of the present utility model is:
1. the working principle of insulation jacket:
The steam of uniform temperature and flow to be flow in incubation cavity by import temperature joint and flows out from the warm joint of outlet, steam circulates in incubation cavity, by heat conduction to the medium in sap cavity, thus all the time the temperature of medium is maintained more than fusing point, keep liquid condition.
2. the working principle of diaphragm type buffer:
Because of reciprocating pump work time, suction and the discharge process of liquid medium hocket, and piston is in displacement process, its speed is again among constantly changing, the instantaneous flow of pump, pressure not only time to time change, and be discontinuous, therefore the pulsating nature of reciprocating pump instantaneous flow, pressure is also just inevitable.When the instantaneous pressure of pump is greater than middle pressure, fluid pressure now before buffer in pipeline is greater than the pressure of air cavity gas, part liquid enters sap cavity, promote barrier film to top offset, gas in air cavity is compressed, and the volume of sap cavity increases, thus stores a part of liquid, after making buffer, the flow of pipeline is tending towards mean flowrate, and pulsating nature reduces; When the instantaneous pressure of pump is less than middle pressure, fluid pressure now before buffer in pipeline is less than the pressure of air cavity gas, air cavity gas expansion, promote barrier film to bottom offset, thus a part of liquid in sap cavity is forced into again in the middle of pipeline, after making buffer, the flow of pipeline is tending towards mean flowrate, and pulsating nature reduces; The effect of snubber then, after barrier film bends downwards, promotes spacing core and moves downward, and simultaneously liquid is crossed liquid passage from inverted cone and flowed out, and will prop up barrier film when spacing core reaches the limit of position, squeezed bad in the intermediate hole preventing barrier film intermediate portion from clamp-oning lower lamina membranacea.When barrier film upwards perturbs, spacing core can return to physical slot again under the effect of spring force.
The beneficial effect of a kind of diaphragm type buffer with insulation jacket of the present utility model is:
1. because its elastic element adopts resistant to elevated temperatures Teflon septum, Applicable media maximum temperature can reach 120 DEG C, high temperature resistant, corrosion resistance and good;
2. position-limit mechanism can play a protective role to barrier film, makes barrier film can deflection deformation in the reasonable scope, therefore it can use under high pressure operating mode, and membrane life is long;
3. because being provided with insulation jacket, it has heating and heat preserving function, can guarantee that sap cavity medium keeps liquid condition, be easy to conveying;
4. device security, reliable, using effect is good, and installation, maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of diaphragm type buffer with insulation jacket of the utility model.
In figure: 1. barrier film; 2. gas end housing; 3. gas end flange; 4. gas charging valve; 5. inflate valve seat; 6. air cavity; 7. flange; 8. short tube; 9. insulation jacket; 10. liquid end housing; 11. import temperature joints; The warm joint of 12. outlet; 13. liquid end flange; 14. sap cavities; 15. incubation cavities; Lamina membranacea on 16.; 17. times lamina membranaceas; 18. guide sleeves; 19. large snap rings; 20. spacing cores; 21. little snap rings; 22. springs; 23. intermediate holes; 24. fastening pieces.
Embodiment
A kind of diaphragm type buffer with insulation jacket of the present utility model is further described by embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of diaphragm type buffer with insulation jacket, comprise accumulation of energy end, hydraulic pressure end, position-limit mechanism and barrier film 1, described accumulation of energy end comprises gas end housing 2, gas end flange 3, gas charging valve 4, inflation valve seat 5 and air cavity 6, described gas end housing 2 bottom is connected with gas end flange 3, described gas charging valve 4 is connected with gas end housing 2 top by inflation valve seat 5, and described gas end housing 2 surrounds air cavity 6 with barrier film 1, described hydraulic pressure end comprises flange 7, short tube 8, insulation jacket 9, liquid end housing 10, import temperature joint 11, export warm joint 12, liquid end flange 13, sap cavity 14 and incubation cavity 15, described flange 7 is connected with short tube 8 lower end, described short tube 8 upper end is connected with insulation jacket 9 and liquid end housing 10 respectively, liquid end flange 13 is connected with the top of insulation jacket 9 and liquid end housing 10 respectively, liquid end housing 10 and barrier film 1 surround sap cavity 14, insulation jacket 9 and liquid end housing 10 surround incubation cavity 15, described import temperature joint 11 and the warm joint 12 of outlet are arranged in insulation jacket 9, described position-limit mechanism is located between accumulation of energy end and hydraulic pressure end, described position-limit mechanism comprises lamina membranacea 16, lower lamina membranacea 17 and snubber, described snubber comprises guide sleeve 18, large snap ring 19, spacing core 20, little snap ring 21 and spring 22, described barrier film 1 is located between lamina membranacea 16 and lower lamina membranacea 17, described guide sleeve 18 is fixed in the intermediate hole 23 of lower lamina membranacea 17 by large snap ring 19, spacing core 20 is arranged in the endoporus of guide sleeve 18 by little snap ring 21, and spring 22 is enclosed within spacing core 20, described spacing core 20 upper end portion is the truncated cone of standing upside down, described upper lamina membranacea 16 is arranged in the hole seat of gas end flange 3 by excircle orientation, and described lower lamina membranacea 17 is arranged in the hole seat of liquid end flange 13 by excircle orientation, and gas end flange 3 and liquid end flange 13 are compressed by fastening piece 24, described upper lamina membranacea 16 is a space curved surface near the face of barrier film side, and the shape after curve form and barrier film 1 deflection deformation matches, described lower plate 17 is the space curved surface of a middle with hole near the face of barrier film 1 side, and the shape after curve form and barrier film 1 deflection deformation matches, described gas end housing 2, gas end flange 3, gas charging valve 4, inflation valve seat 5, flange 7, short tube 8, insulation jacket 9, liquid end housing 10, import temperature joint 11, export the Placement that warm joint 12 and liquid end flange 13 all adopt welding, described gas charging valve 4 is threaded with inflation valve seat 5, and described barrier film 1 adopts polytetrafluoroethylmaterial material.
During utility model works, the steam of uniform temperature and flow to be flow in incubation cavity 15 by import temperature joint 11 and flows out from the warm joint 12 of outlet, steam circulates in incubation cavity 15, by heat conduction to the medium in sap cavity 14, thus all the time the temperature of medium is maintained more than fusing point, keep liquid condition.Simultaneously, when the instantaneous pressure of reciprocating pump is greater than middle pressure, the fluid pressure now before buffer in pipeline is greater than the pressure of air cavity 6 gas, and a part of liquid enters sap cavity 14, promote barrier film 1 to top offset, gas in air cavity 6 is compressed, and the volume of sap cavity 14 increases, thus stores a part of liquid, after making buffer, the flow of pipeline is tending towards mean flowrate, pulsating nature reduces, and when barrier film 1 is fitted with the space curved surface of upper lamina membranacea 16, the volume of sap cavity 14 is maximum, when the instantaneous pressure of reciprocating pump is less than middle pressure, fluid pressure now before buffer in pipeline is less than the pressure of air cavity 6 gas, air cavity 6 gas expansion, promote barrier film 1 to bottom offset, barrier film 1 promotes spacing core 20 and moves downward, liquid crosses the outflow of liquid passage from inverted cone simultaneously, thus a part of liquid of sap cavity 14 li is forced into again in the middle of pipeline, after making buffer, the flow of pipeline is tending towards mean flowrate, pulsating nature reduces, except barrier film 1(intermediate portion) when fitting with the space curved surface of lower lamina membranacea 17, the volume of air cavity 6 is maximum, barrier film 1 will be propped up when spacing core 20 reaches the limit of position, squeezed bad in the intermediate hole 23 preventing barrier film 1 intermediate portion from clamp-oning lower lamina membranacea 17, when barrier film 1 upwards perturbs, spacing core 20 can return to physical slot again under the effect of spring 22 elastic force.
The foregoing is only specific embodiment of the utility model, but structure characteristic of the present utility model is not limited thereto, the utility model may be used on similar product, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (8)
1. the diaphragm type buffer with insulation jacket, comprise hydraulic pressure end, accumulation of energy end, position-limit mechanism and barrier film, it is characterized in that: described hydraulic pressure end comprises insulation jacket, liquid end housing, incubation cavity and sap cavity, described insulation jacket and liquid end housing surround incubation cavity, and described liquid end housing and barrier film surround sap cavity.
2. as claimed in claim 1 with the diaphragm type buffer of insulation jacket, it is characterized in that: described position-limit mechanism is located between accumulation of energy end and hydraulic pressure end, described position-limit mechanism comprises lamina membranacea, lower lamina membranacea and snubber, described barrier film is located between lamina membranacea and lower lamina membranacea, described snubber comprises guide sleeve, large snap ring, spacing core, little snap ring and spring, guide sleeve is fixed in the intermediate hole seat of lower lamina membranacea by large snap ring, spacing core is arranged in the endoporus of guide sleeve by little snap ring, and spring housing is on spacing core.
3. as claimed in claim 1 or 2 with the diaphragm type buffer of insulation jacket, it is characterized in that: described accumulation of energy end comprises gas end housing, gas end flange, gas charging valve, the gentle chamber of inflation valve seat, described gas end housing bottom is connected with gas end flange, described gas charging valve is connected with gas end housing top by inflation valve seat, and described gas end housing and barrier film surround air cavity; Described hydraulic pressure end also comprises flange, short tube, liquid end flange, import temperature joint and exports warm joint, described flange is connected with short tube lower end, described upper end of short tube is connected with insulation jacket and liquid end housing respectively, described liquid end flange is connected with the top of insulation jacket and liquid end housing respectively, and described import temperature joint and the warm joint of outlet are arranged in insulation jacket.
4. as claimed in claim 3 with the diaphragm type buffer of insulation jacket, it is characterized in that: described upper lamina membranacea is arranged in the hole seat of gas end flange by excircle orientation, described lower lamina membranacea is arranged in the hole seat of liquid end flange by excircle orientation, and gas end flange and liquid end flange are compressed by fastening piece.
5. as claimed in claim 4 with the diaphragm type buffer of insulation jacket, it is characterized in that: described upper lamina membranacea is a space curved surface near the face of barrier film side, the shape after curve form and diaphragm deflection are out of shape matches; Described lower plate is the space curved surface of a middle with hole near the face of barrier film side, and the shape after curve form and diaphragm deflection are out of shape matches.
6. as claimed in claim 4 with the diaphragm type buffer of insulation jacket, it is characterized in that: described spacing core upper end portion is the truncated cone of standing upside down.
7. as claimed in claim 4 with the diaphragm type buffer of insulation jacket, it is characterized in that: described gas end housing, gas end flange, gas charging valve, inflation valve seat, liquid end housing, liquid end flange, insulation jacket, import temperature joint, export the Placement that warm joint, short tube and flange all adopt welding, described gas charging valve is threaded with inflation valve seat.
8. as claimed in claim 4 with the diaphragm type buffer of insulation jacket, it is characterized in that: described barrier film adopts polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326737.2U CN204611201U (en) | 2015-05-20 | 2015-05-20 | A kind of diaphragm type buffer with insulation jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326737.2U CN204611201U (en) | 2015-05-20 | 2015-05-20 | A kind of diaphragm type buffer with insulation jacket |
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| Publication Number | Publication Date |
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| CN204611201U true CN204611201U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520326737.2U Active CN204611201U (en) | 2015-05-20 | 2015-05-20 | A kind of diaphragm type buffer with insulation jacket |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641070A (en) * | 2015-10-29 | 2017-05-10 | 长城汽车股份有限公司 | Air spring with continuously adjustable rigidity and air spring system with continuously adjustable rigidity |
| CN109826241A (en) * | 2018-12-26 | 2019-05-31 | 中国机械工业集团有限公司 | Suspension system resisting strong impact vibration control apparatus built in a kind of underground shaft |
| CN114673857A (en) * | 2022-02-23 | 2022-06-28 | 德帕姆(杭州)泵业科技有限公司 | Diaphragm type pulsation damper with high pressure resistance |
-
2015
- 2015-05-20 CN CN201520326737.2U patent/CN204611201U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641070A (en) * | 2015-10-29 | 2017-05-10 | 长城汽车股份有限公司 | Air spring with continuously adjustable rigidity and air spring system with continuously adjustable rigidity |
| CN106641070B (en) * | 2015-10-29 | 2020-04-10 | 长城汽车股份有限公司 | Air spring with continuously adjustable rigidity and air spring system with continuously adjustable rigidity |
| CN109826241A (en) * | 2018-12-26 | 2019-05-31 | 中国机械工业集团有限公司 | Suspension system resisting strong impact vibration control apparatus built in a kind of underground shaft |
| CN114673857A (en) * | 2022-02-23 | 2022-06-28 | 德帕姆(杭州)泵业科技有限公司 | Diaphragm type pulsation damper with high pressure resistance |
| CN114673857B (en) * | 2022-02-23 | 2024-01-26 | 德帕姆(杭州)泵业科技有限公司 | Diaphragm type pulsation damper with high pressure resistance |
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