CN102705610B - Integrated filtering connecting insulating joint with water-separating dehumidifying structure - Google Patents
Integrated filtering connecting insulating joint with water-separating dehumidifying structure Download PDFInfo
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- CN102705610B CN102705610B CN 201210197298 CN201210197298A CN102705610B CN 102705610 B CN102705610 B CN 102705610B CN 201210197298 CN201210197298 CN 201210197298 CN 201210197298 A CN201210197298 A CN 201210197298A CN 102705610 B CN102705610 B CN 102705610B
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Abstract
The invention discloses an integrated filtering connecting insulating joint with a water-separating dehumidifying structure, which comprises an upper joint body, a lower joint body and a first insulating pad located between the upper joint body and the lower joint body, wherein a gas inlet is arranged on the lower joint body; a gas outlet is arranged on the upper joint body; a filtering cavity is arranged between the gas inlet and the gas outlet; and a filter element is mounted in the filtering cavity. The functions of pipeline connection, gas filtering and electric insulation are integrated with the integrated filtering connecting insulating joint provided by the invention, so that the mounting process of a user is greatly simplified; after continuous four times of refraction processes are performed, the densities of grain impurities and liquid materials are more than the density of gaseous materials; the repeated refraction and rotary centrifugal action when gas flow strikes an insulating wall are utilized to cause the gas to float upward; and meanwhile, the solid grain impurities and water sink under the action of gravity, are separated from the gas and are deposited at the bottom of the filtering cavity through impurity-draining holes, so that the primary filtering of the gas is finished; and the filtering efficiency is increased.
Description
Technical field
The present invention relates to the filtration on a kind of gas transmission and distribution and petroleum conveying pipeline, the integrative-structure of electric insulation on-line cleaning, specifically refer to that a kind of integrated with minute water dehumidification structure filters the connection insulating joint.
Background technique
At present, the insulating joint used on China's gas transmission and distribution and petroleum conveying pipeline is the flange-type insulating joint, claims again insulated flange.The structural feature of itself determined it in use, aspect of performance and safeguard the restriction that aspect is many.Insulated flange is connected and there is no essential distinction with common flange in appearance.Just the sealing gasket between two flanges adopts the manufacture of insulation material; Between each bolt, nut and flange, adopt insulating sleeve with the level by its mutual insulating.About pipe line insulation production development direction: (1) is along with the continuous appearance of new science and technology, new technology, brand-new material will constantly come out, employing performance index excellence, the rational new material of cost is made some component of insulating joint, is an effective way that improves the insulating joint whole service life.(2) along with the improving constantly of oil, gas industry integral level, the properties of its auxiliary facility is had higher requirement.For constantly adapt to various landforms, condition and complicated geographical environment, need to be measured the whole mechanical property of insulating joint, as counter-bending ability, integrally stretching intensity etc., by improving the total quality level of insulating joint, to adapt to physical environment severe in real work and engineering requirement.
In pneumatic hydraulic transmission and control system, pressurized gas is the power source of pneumatic equipment.Along with the raising of controlling requirement and the degree of control, pneumatic control components is also increasingly accurate, also more and more higher to the quality requirement of compressed gas source.Different pneumatic elements, equipment, differ greatly to the data requirement of pressurized gas.The low power consumption of gas control element itself, microminiaturization, all the gas cleaning quality is proposed to higher requirement.Pneumatic gearing equipment in application also increasingly tight.From the pipeline dynamic source of the gas; usually mixing impurity, moisture content or dirt etc.; filter is used and is removed the factor that these are unfavorable for the normal operation of gas control element as the first processing element of air supply system gas introducing equipment; to provide clean gas for system, the quality of the performance of filter own or the height of frequency of maintenance all directly have influence on the efficiency of production and the cost of work.
In modern automatic control system, integrated control degree also improves constantly, and mechanical, electrical, liquid technology also is difficult to independent utility again.Machinery, electronics in a common system, pneumatic, hydraulic control exists simultaneously or mutually combine, arrange in pairs or groups, and comprehensively forms compound control.In electronic control system, the mutual electrostatic interference of various electronic control components, electromagnetic interference, signal disturb, level disturbs all objective reality, regardless of high pressure air source capsule, pneumatic electronic component, pneumatic control components, is all metallic material, is good conductor.How can allow them the completion system that links together control, can make again they can be aspect electric mutually insulated, it is a difficult problem that electrical Interference does not occur separately always, and, there are no any report, has not also seen the technological scheme addressed this problem in reality.
Summary of the invention
The object of the present invention is to provide a kind of integrated with minute water dehumidification structure to filter and connect insulating joint, by pipeline connect, gas (liquid) body medium filters and electric insulation is molten is integrated, when realizing pipeline transmission fundamental function, by the filtration of medium and front and back metal pipe line, electrical system is independent separately, two are integrated across section's function.
Purpose of the present invention is achieved through the following technical solutions:
A kind of integrated with minute water dehumidification structure filters and connects insulating joint, it is characterized in that: comprise upper connection body, lower contact body and the first felt pad between upper connection body and lower contact body, be provided with suction port on the lower contact body, be provided with air outlet on the upper connection body, be provided with to consider in ，Lv chamber, chamber between suction port and air outlet filter core is installed.Upper connection body and lower contact body are for being arranged on respectively two pipelines, by between upper connection body and lower contact body, the electric insulation that the first felt pad is realized upper connection body and lower contact body being set, the connection part of upper connection body and lower contact body indent respectively forms cavity, two cavitys connect into whole worry chamber, in considering chamber, filter core is installed, pressurized gas enter the worry chamber from the suction port of lower contact body, then pass through the filtration of filter core, finally from air outlet, export; This structure combines the function of pipeline connection, gas filtration and electric insulation together, has greatly simplified user's installation procedure, is conducive to operation.
Described upper connection body is connected by clamping bolt with the lower contact body, on the upper connection body, pressure pad is installed, and between pressure pad and upper connection body, is provided with the second felt pad.Further, the upper connection body is connected by clamping bolt with the lower contact body, clamping bolt is plugged on the lower contact body by screw, be set with insulating bush on clamping bolt, under the nut of clamping bolt, pressure pad be installed, the second felt pad is installed under pressure pad, after the clamping bolt rotation is tightened, drive pressure pad upper connection body and lower contact body are fixed, the second felt pad separates clamping bolt with the upper connection body, realize electric insulation.
In worry chamber between described filter core and suction port, the filter core carriage is installed, between filter core carriage and filter core, baffle plate is installed.Briefly, in order to improve filtering effect, facilitate the installation of filter core simultaneously, adopt in the worry chamber filter core carriage is installed, the mode of baffle plate is installed between filter core carriage and filter core, carry out the separating and filtering of solid and aqueous vapor by the refraction of gas.
Described filter core carriage comprises the ring interface that connects inlet hole, the upper-end surface of ring interface stretches out to form along diameter and leaks assorted platform, be provided with the assorted hole of a plurality of leakages on the assorted platform of leakage, be provided with the baffling cylinder coaxial with ring interface on the external diameter that leaks assorted platform, in the footpath of baffling cylinder, upwards be provided with a plurality of bafflings hole.Ring interface is connected with suction port, its integral body is cylindric, there is two of upper and lowers end face, upper-end surface wherein stretches out and forms Lou assorted platform along diametric(al), be provided with the assorted hole of a plurality of leakages on the assorted platform of leakage, the assorted hole of leakage will be leaked assorted platform and will be communicated with the outside of ring interface, be connected with the baffling cylinder on the outside of leaking assorted platform, baffling cylinder integral body is cylindric, it is coaxial with ring interface, the inner side surface of baffling cylinder is vertical with the assorted platform of leakage, be provided with a plurality of bafflings hole on the diametric(al) of baffling cylinder, the lower end surface of baffling cylinder is connected with the assorted platform of leakage, after baffle plate is installed in the upper-end surface of baffling cylinder, form minute structure of water dehumidifying, ring interface is connected on suction port, the air-flow of high pressure confuses impurity, moisture etc. enter from ring interface, and directly impinge upon on baffle plate, the refraction of formation first bounce, then be refracted on the platform of Lou mixing, form bounce-back refraction for the second time, export and impinge upon afterwards the sidewall of considering chamber from the baffling hole and form bounce-back refraction for the third time, the last outside that impacts again whole minute water dehumidification structure, form the 4th bounce-back refraction, through in the refracting process of continuous four times, granule foreign and liquid goods and materials density ratio gaseous state goods and materials density are much bigger, refraction repeatedly and rotating centrifugal effect while utilizing airflow strikes isolation wall, make the gas floating, simultaneously, solid particle polluter and moisture content sink under the effect of gravity, separate from gas and are deposited on the filter chamber bottom by leaking the gathering of assorted hole, complete the preliminary filtration of gas, improved the efficiency of filtering.
The assorted hole of described leakage is evenly distributed on the platform of Lou mixing, and described baffling hole is evenly distributed on the baffling cylinder.Further, as a further improvement on the present invention, adopt the assorted hole of leakage to be evenly distributed on the platform of Lou mixing, the baffling hole is evenly distributed on the mode on the baffling cylinder, makes the overall structure weight balancing, guarantees its symmetry properties, the convenient use.
Be provided with baffle rings on the end face of described baffling cylinder, the end face of baffle rings and baffling cylinder forms step-like baffle plate platform.Further, in order to facilitate the installation of baffle plate, on the end face of baffling cylinder, baffle rings is installed, the end face of baffle rings and baffling cylinder forms step-like baffle plate platform, and the diameter of baffle plate platform and the diameter of baffle plate are complementary, simultaneously, the degree of depth of baffle rings and the thickness of baffle plate are complementary, and facilitate the installation of baffle plate.
Arranged outside in baffle rings has the filter core ring, and the end face of filter core ring and the end face of baffle rings form step-like filter core lodging bench.Further, in order to facilitate the fixed installation of filter core, adopt the mode at the arranged outside filter core ring of baffle rings, form and be convenient to the groove type structure that filter core is installed, reached the purpose of simplifying installation procedure, reducing installation difficulty.
On described lower contact body, be provided with and rinse mouth and the sewage draining exit of considering chamber and being communicated with.Normal work period, rinse mouth and sewage draining exit stop up with plug wire, also can use at this position mounted valve, different workplaces, rinse mouth and sewage draining exit quantity can be separately one or two, also can select to be arranged on the upper connection body or on the lower contact body simultaneously, also can process respectively and be opened on upper connection body and lower contact body each one or more.
When filter core need to clean, without integral body is disassembled from corresponding pipe arrangement loop or process pipe, can carry out on-line cleaning and maintenance according to following two kinds of modes:
The first: cleaned with cleaning solution or washing agent: the valve of at first closing suction port and air outlet, by disassembling the plug wire of rinse mouth and sewage draining exit, while perhaps in advance valve being installed, directly open valve, the pressure medium of releasing in filter chamber, instrument or importing cleaning solution in rinse mouth and sewage draining exit access flushing, can thoroughly clean the dirt of filter core and filter chamber, again recovers original technique after completing and get final product;
The second: directly utilize pipeline medium pressure to carry out high-pressure wash to filter chamber and filter core: the valve of at first closing suction port and air outlet, by disassembling the plug wire of rinse mouth and sewage draining exit, while perhaps in advance valve being installed, directly open valve, the release pressure medium of filter chamber, slowly open again the valve of air outlet, utilize the pressure medium of the inside, loop to carry out high back voltage infiltration flushing to filter core and filter chamber, again recover original technique after completing and get final product.
Be provided with groove in the upper connection surface contacted with the first felt pad, on the lower contact body, be provided with groove, be provided with the protrusion bar be complementary with groove on described the first felt pad.That is to say, be respectively arranged with groove on upper connection body and lower contact body, be provided with the protrusion bar be complementary with groove on the first felt pad, the embedded design of the first felt pad, the plasticity that can greatly improve material keeps characteristics, reaches the high pressure bearing capacity, and simultaneously, two grooves can be arranged on arbitrary position, can be corresponding, also can mutually stagger.
Described filter core is conductor, and the 3rd felt pad is installed between filter core and upper connection body.If above-mentioned filter core is conductor, the 3rd felt pad need to be installed between filter core and upper connection body, if above-mentioned filter core is not conductor, the 3rd felt pad can be set.
The present invention compared with prior art, has following advantage and beneficial effect:
A kind of integrated with minute water dehumidification structure of 1 the present invention filters and connects insulating joint, upper connection body and lower contact body are for being arranged on respectively two pipelines, by between upper connection body and lower contact body, the electric insulation that the first felt pad is realized upper connection body and lower contact body being set, the connection part of upper connection body and lower contact body indent respectively forms cavity, two cavitys connect into whole worry chamber, in considering chamber, filter core is installed, pressurized gas enter the worry chamber from the suction port of lower contact body, then pass through the filtration of filter core, finally export from air outlet; This structure combines the function of pipeline connection, gas filtration and electric insulation together, has greatly simplified user's installation procedure, is conducive to operation;
A kind of integrated with minute water dehumidification structure of 2 the present invention filters and connects insulating joint, ring interface is connected on suction port, the air-flow of high pressure confuses impurity, moisture etc. and enters from ring interface, and directly impinge upon on baffle plate, the refraction of formation first bounce, then be refracted on the platform of Lou mixing, form bounce-back refraction for the second time, export and impinge upon afterwards the sidewall of considering chamber from the baffling hole and form bounce-back refraction for the third time, the last outside that impacts again whole minute water dehumidification structure, form the 4th bounce-back refraction; Through in the refracting process of continuous four times, granule foreign and liquid goods and materials density ratio gaseous state goods and materials density are much bigger, refraction repeatedly and rotating centrifugal effect while utilizing airflow strikes isolation wall, make the gas floating, simultaneously, solid particle polluter and moisture content sink under the effect of gravity, separate from gas and are deposited on the filter chamber bottom by leaking the gathering of assorted hole, complete the preliminary filtration of gas, improved the efficiency of filtering;
A kind of integrated filtration with minute water dehumidification structure of 3 the present invention connects insulating joint, adopts the assorted hole of leakage to be evenly distributed on the platform of Lou mixing, and the baffling hole is evenly distributed on the mode on the baffling cylinder, makes the overall structure weight balancing, guarantees its symmetry properties, the convenient use;
A kind of integrated with minute water dehumidification structure of 4 the present invention filters and connects insulating joint, employing is installed baffle rings on the end face of baffling cylinder, the end face of baffle rings and baffling cylinder forms step-like baffle plate platform, mode at the arranged outside filter core ring of baffle rings, the groove type structure that filter core is installed is convenient in formation, has reached the purpose of simplifying installation procedure, reducing installation difficulty.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
What Fig. 2 was the present invention along symmetry axis partly cuts open structural representation;
Fig. 3 be filter core carriage of the present invention partly cut open structural representation.
Mark and corresponding component title in accompanying drawing:
The 1-ring interface, 2-leaks assorted platform, and 3-leaks assorted hole, 4-baffling cylinder, 5-baffling hole, 6-baffle rings, 7-filter core ring, 8-upper connection body, 9-lower contact body, 10-the first felt pad, 11-suction port, 12-air outlet, 13-considers chamber, 14-filter core, 15-clamping bolt, 16-pressure pad, 17-the second felt pad, 18-filter core carriage, 19-baffle plate, 20-rinse mouth, the 21-sewage draining exit, 22-protrudes bar, 23-the 3rd felt pad.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figures 1 to 3, a kind of integrated with minute water dehumidification structure of the present invention filters and connects insulating joint, comprise upper connection body 8 and lower contact body 9, be provided with suction port 11 on lower contact body 9, be provided with air outlet 12 on upper connection body 8, upper connection body 8 and lower contact body 9 are for being arranged on respectively two pipelines, by the electric insulation that the first felt pad 10 is realized upper connection body 8 and lower contact body 9 is set between upper connection body 8 and lower contact body 9, be respectively arranged with groove on upper connection body 8 and lower contact body 9, be provided with the protrusion bar 22 be complementary with groove on the first felt pad 10, the embedded design of the first felt pad 10, can greatly improve the plasticity characteristics of material, and high pressure bearing capacity, simultaneously, two grooves can be arranged on arbitrary position, can be corresponding, also can mutually stagger, upper connection body 8 is connected by clamping bolt 15 with lower contact body 9, clamping bolt 15 is plugged on lower contact body 8 by screw, be set with insulating bush on clamping bolt 15, pressure pad 16 is installed under the nut of clamping bolt 15, pressure pad is installed the second felt pad 17 16 times, clamping bolt 15 rotations drive pressure pad 16 upper connection body 8 is fixing with lower contact body 9 after tightening, and the second felt pad 17 separates clamping bolt 15 with upper connection body 8, the connection part of upper connection body 8 and lower contact body 9 indent respectively forms cavity, two cavitys connect into whole worry chamber 13, filter core 14 is installed in considering chamber 13, the preferred version of filter core 14 is to adopt cage labyrinth filter core, if filter core 14 is conductor, the 3rd felt pad 23 need to be installed between filter core 14 and upper connection body 8, if filter core 14 is not conductor, the 3rd felt pad 23 can be set, in worry chamber 13 between filter core 14 and suction port 11, filter core carriage 18 is installed, between filter core carriage 18 and filter core 14, baffle plate 19 is installed, wherein, filter core carriage 18 comprises the ring interface 1 that connects inlet hole 11, ring interface 1 is connected with suction port 11, its integral body is cylindric, there is two of upper and lowers end face, upper-end surface wherein stretches out and forms Lou assorted platform 2 along diametric(al), be provided with the assorted hole 3 of a plurality of equally distributed leakages on the assorted platform 2 of leakage, the assorted hole 3 of leakage will be leaked assorted platform 2 and will be communicated with the outside of ring interface 1, be connected with baffling cylinder 4 on the outside of leaking assorted platform 2, baffling cylinder 4 integral body are cylindric, it is coaxial with ring interface 1, the inner side surface of baffling cylinder 4 is vertical with the assorted platform 2 of leakage, be provided with a plurality of equally distributed bafflings hole 5 on the diametric(al) of baffling cylinder 4, the lower end surface of baffling cylinder 4 is connected with the assorted platform 2 of leakage, baffle rings 6 is installed on the end face of baffling cylinder 4, and baffle rings 6 forms step-like baffle plate platform with the end face of baffling cylinder 4, and the diameter of baffle plate platform and the diameter of baffle plate are complementary, and the degree of depth of baffle rings 6 and the thickness of baffle plate are complementary, arranged outside in baffle rings 6 has filter core ring 7, the end face of the end face of filter core ring 7 and baffle rings 6 forms step-like filter core lodging bench, by baffle plate be placed on baffle rings 6 interior after, filter core ring 7 forms with baffle plate the groove type structure that filter core 14 is installed, for filter core 14 is installed, on lower contact body 9, be provided with and rinse mouth 20 and the sewage draining exit 21 of considering chamber 13 and being communicated with, normal work period, rinse mouth 20 and sewage draining exit 21 use plug wires stop up, also can use at this position mounted valve, different workplaces, rinse mouth 20 and sewage draining exit 21 quantity can be separately one or two, also can select to be arranged on upper connection body 8 or on lower contact body 9 simultaneously, also can process respectively and be opened in upper connection body 8 and lower contact body 9 each one or more, pressurized gas enter worry chamber 13 from the suction port 11 of lower contact body 9, then pass through the filtration of filter core 14, finally 12 outputs from air outlet.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, the equivalent variations on every foundation technical spirit of the present invention, above embodiment done, within all falling into protection scope of the present invention.
Claims (8)
1. the integrated with minute water dehumidification structure filters the connection insulating joint, it is characterized in that: comprise upper connection body (8), lower contact body (9) and be positioned at upper connection body (8) and lower contact body (9) between the first felt pad (10), be provided with suction port (11) on lower contact body (9), be provided with air outlet (12) on upper connection body (8), be provided with between suction port (11) and air outlet (12) and consider chamber (13), in considering chamber (13), filter core (14) is installed, in worry chamber (13) between described filter core (14) and suction port (11), filter core carriage (18) is installed, between filter core carriage (18) and filter core (14), baffle plate (19) is installed, described filter core carriage (18) comprises the ring interface (1) that connects inlet hole, the upper-end surface of ring interface (1) stretches out to form along diameter and leaks assorted platform (2), be provided with the assorted hole (3) of a plurality of leakages on the assorted platform (2) of leakage, be provided with the baffling cylinder (4) coaxial with ring interface (1) on the external diameter that leaks assorted platform (2), upwards be provided with a plurality of bafflings hole (5) in the footpath of baffling cylinder (4).
2. a kind of integrated with minute water dehumidification structure according to claim 1 filters and connects insulating joint, it is characterized in that: described upper connection body (8) is connected by clamping bolt (15) with lower contact body (9), pressure pad (16) is installed on upper connection body (8), between pressure pad (16) and upper connection body (8), is provided with the second felt pad (17).
3. a kind of integrated with minute water dehumidification structure according to claim 1 filters and connects insulating joint, it is characterized in that: the described leakage hole (3) of mix is evenly distributed on the platform (2) of mixing with Louing and goes up, and described baffling hole (5) is evenly distributed on baffling cylinder (4).
4. a kind of integrated with minute water dehumidification structure according to claim 1 filters and connects insulating joint, it is characterized in that: be provided with baffle rings (6) on the end face of described baffling cylinder (4), baffle rings (6) forms step-like baffle plate platform with the end face of baffling cylinder (4).
5. a kind of integrated with minute water dehumidification structure according to claim 4 filters and connects insulating joint, it is characterized in that: the arranged outside in baffle rings (6) has filter core ring (7), and the end face of the end face of filter core ring (7) and baffle rings (6) forms step-like filter core lodging bench.
6. a kind of integrated with minute water dehumidification structure according to claim 1 filters and connects insulating joint, it is characterized in that: on described lower contact body (9), be provided with and rinse mouth (20) and the sewage draining exit (21) of considering chamber (13) and being communicated with.
7. filter and connect insulating joint according to the described a kind of integrated with minute water dehumidification structure of any one in claim 1 to 6, it is characterized in that: on upper connection body (8) surface contacted with the first felt pad (10), be provided with groove, be provided with groove on lower contact body (9), be provided with the protrusion bar (22) be complementary with groove on described the first felt pad (10).
8. a kind of integrated with minute water dehumidification structure according to claim 7 filters and connects insulating joint, and it is characterized in that: described filter core (14) is conductor, and the 3rd felt pad (23) is installed between filter core (14) and upper connection body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210197298 CN102705610B (en) | 2012-06-15 | 2012-06-15 | Integrated filtering connecting insulating joint with water-separating dehumidifying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210197298 CN102705610B (en) | 2012-06-15 | 2012-06-15 | Integrated filtering connecting insulating joint with water-separating dehumidifying structure |
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| Publication Number | Publication Date |
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| CN102705610A CN102705610A (en) | 2012-10-03 |
| CN102705610B true CN102705610B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201210197298 Active CN102705610B (en) | 2012-06-15 | 2012-06-15 | Integrated filtering connecting insulating joint with water-separating dehumidifying structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101703862A (en) * | 2009-09-23 | 2010-05-12 | 上海共和真空技术有限公司 | Steam-water separator for freeze dryer |
| CN202011119U (en) * | 2011-04-06 | 2011-10-19 | 吴焕雄 | Heated air circulating dehumidifying and dust filtering device of injection molding machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2879942B1 (en) * | 2004-12-27 | 2007-01-26 | Commissariat Energie Atomique | DEVICE FOR PURIFYING A GAS STREAM CONTAINING CONDENSABLE VAPORS |
| US7452512B2 (en) * | 2005-02-01 | 2008-11-18 | Et Us Holdings Llc | Converter assembly with insulated sensor boss |
| CN102380274B (en) * | 2011-08-18 | 2013-08-21 | 朗逸环保科技（上海）有限公司 | Air purifying equipment and purifying method thereof |
| CN202597967U (en) * | 2012-06-15 | 2012-12-12 | 成都迈可森流体控制设备有限公司 | Integral filter connection insulating joint with water diversion dehumidification structure |
-
2012
- 2012-06-15 CN CN 201210197298 patent/CN102705610B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101703862A (en) * | 2009-09-23 | 2010-05-12 | 上海共和真空技术有限公司 | Steam-water separator for freeze dryer |
| CN202011119U (en) * | 2011-04-06 | 2011-10-19 | 吴焕雄 | Heated air circulating dehumidifying and dust filtering device of injection molding machine |
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| CN102705610A (en) | 2012-10-03 |
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