12 results about "Spiral membrane" patented technology

A spiral membrane element includes: a plurality of membrane leaves each having a permeation-side spacer interposed between separation membranes facing each other and having both-side sealing parts and a peripheral-side sealing part that seal both-side ends and a peripheral-side end in an axial direction; a supply-side spacer interposed between the membrane leaves; and a perforated central pipe around which the membrane leaves and the supply-side spacers are wound. The permeation-side spacer in the membrane leaves has a tear processing part over the entire width on a peripheral side from the center.

A spiral membrane element includes: a plurality of membrane leaves each having a permeation-side spacer interposed between separation membranes facing each other and having both-side sealing parts and a peripheral-side end that seal both-side ends in an axial direction; a supply-side spacer interposed between the membrane leaves; and a perforated central pipe around which the membrane leaves and the supply-side spacers are wound, wherein a folded part of an inner surface of each of the membrane leaves and a peripheral-side tip of the permeation-side spacer are not fixed to each other in at least one the peripheral-side end.

According to the present invention, a spiral membrane element in which the durability of a bonding part between a membrane leaf and a central pipe is improved, and the central pipe is more easily separated and collected at the time of recycling. The spiral membrane element includes: a plurality of membrane leaves each having a permeation-side flow-channel between separation membranes facing each other; and a perforated central pipe around which the membrane leaves are wound with a supply-side flow-channel interposed between the membrane leaves. The spiral membrane element includes a bonding part in which each of both-side ends in an axial direction among inner peripheral-side ends of the membrane leaves is bonded to the central pipe, and the central pipe includes a tapered part having a peripheral surface whose diameter expands toward a center side in the axial direction in at least a partial area of the bonding part.

A kind of equalizing air intake spiral membrane module box, including air intake pressure structure, channel structure and box structure;The air intake pressure structure includes first shell, with first port and second port;The first port is equipped with first sealing baffle, the top of the first sealing baffle is equipped with rectangular air inlet;The channel structure includes second shell, with third port and fourth port;The third port is equipped with second sealing baffle, the fourth port is equipped with air equalizing block between the second port;Several evenly distributed transverse air passages are arranged in the air equalizing block;Rectangular adjusting plate is arranged in the second shell, the height of the adjusting plate gradually increases from the fourth port to the third port;The top plate of the second shell is equipped with several through holes, the top of each through hole is fixedly provided with spiral membrane module, and each through hole is connected with the air inlet end of corresponding spiral membrane module;The box structure includes third shell opening downward, is fixed to the top of the second shell, and covers each spiral membrane module.

The utility model discloses a spiral membrane vacuum tower of high -efficient removal lubricating oil gas relates to lubricating oil processing technical field, the utility model discloses a base, the top outer wall fixedly connected with support plate of base, the utility model discloses a turbine agitator and spiral flow guide groove are set up, and the contact area of liquid and the inside of flow -through pipe is increased through spiral flow guide groove in the flow -through pipe, and because the turning of turbine agitator and spiral flow guide groove is opposite, the shear force produced when the rotation of two can tear liquid into small pieces, thereby extruding the tiny bubble in liquid, reach the shear force produced when turbine agitator and spiral flow guide groove rotate in the jar extrude the tiny bubble in liquid, prevent the emergence because traditional degassing jar relies on the rotation of stirring part and increase its contact area with liquid, thereby extruding gas, but the extrusion area of stirring part and liquid is limited, lead to the oil gas efficiency of device to liquid is not good, and the problem such as not thorough degassing.

This invention provides a spiral-type membrane element that improves the durability of the bonding joint between the membrane leaf and the central tube, while also facilitating the separation and recovery of the central tube during recycling. [Solution] A spiral membrane element E comprising a plurality of membrane leaves L having permeable channels between opposing separation membranes, and a perforated central tube 5 around which the membrane leaves L are wound with supply channels interposed between the membrane leaves L, wherein both ends of the inner circumference side of the membrane leaves L in the axial direction A1 are bonded to the central tube 5, and in at least a portion of the area of ​​the bonded channel 13, the outer circumference surface of the central tube 5 has a tapered portion 5b that widens toward the center in the axial direction A1.

This invention relates to a spiral membrane element and a method for manufacturing the same, providing a spiral membrane element that reduces waste and saves resources by modifying the outer peripheral end of the membrane leaf to an easily disintegratable structure, and allows for easy recycling of the permeate-side spacer. The spiral membrane element comprises: a plurality of membrane leaves; a permeate-side spacer disposed between opposing separation membranes, having two side sealing portions and an outer peripheral end, the two side sealing portions sealing the two axial ends; a supply-side spacer disposed between the membrane leaves; and a perforated central tube wound with the membrane leaves and the supply-side spacer, wherein at at least one of the outer peripheral ends, a folded portion on the inner surface of the membrane leaf is not fixed to the outer peripheral front end of the permeate-side spacer.

The objective is to provide a spiral-type membrane element and a machine suitable for its recovery operation, which does not require altering the basic structure of the spiral-type membrane element to be recycled, reduces waste generated by used membrane elements and saves introduced resources, and allows for easy recovery of the permeable side spacer and central tube. [Solution] The spiral membrane element comprises a plurality of membrane leaves having a permeation-side spacer interposed between opposing separation membranes, with both axial ends and the outer peripheral end sealed, a supply-side spacer interposed between the membrane leaves, and a perforated central tube around which the membrane leaves and the supply-side spacer are wound. The permeation-side spacer within the membrane leaf has a tear-processed portion along its entire width, on the outer peripheral side from the center.

The objective is to provide a spiral membrane element that reduces waste generated by used spiral membrane elements and saves introduced resources by changing the outer peripheral end of the membrane leaf to a structure that makes it easy to dismantle, while also allowing for easy recovery of the permeation-side spacer. [Solution] The spiral membrane element comprises a plurality of membrane leaves having a permeable side spacer interposed between opposing separation membranes, a double sealing portion that seals both axial ends and an outer peripheral end, a supply side spacer interposed between the membrane leaves, and a perforated central tube around which the membrane leaves and the supply side spacer are wound, wherein at least one of the outer peripheral ends is not fixed to the folded portion on the inner surface of the separation membrane leaf and the outer peripheral tip of the permeable side spacer.

The present invention provides a spiral membrane element that improves the durability of the bonding portion between the membrane leaf and the central tube and makes the separation and recovery of the central tube easier during recirculation. The spiral membrane element (E) of the present invention comprises: a plurality of membrane leaves (L) having a permeate-side flow path between opposing separation membranes; and a perforated central tube (5) having the membrane leaves (L) wound around it while the supply-side flow path is provided between the membrane leaves (L), wherein the spiral membrane element (E) has a bonding portion (13) formed by bonding the two ends of the inner peripheral side end of the membrane leaves (L) in the axial direction (A1) to the central tube (5), and in at least a portion of the bonding portion (13), there is a tapered portion (5b) of the outer peripheral side of the central tube (5) with an enlarged diameter towards the center side in the axial direction (A1).

This application relates to the field of manufacturing fixtures for breathing circuits, specifically providing a multi-wire heating wire processing mold and a multi-wire heating wire breathing circuit processing mold. The multi-wire heating wire processing mold includes a dispensing nozzle and a positioning insert detachably connected to the dispensing nozzle. The dispensing nozzle has a dispensing section with a glue inlet. The positioning insert has multiple spaced positioning channels, and a dispensing channel communicating with the glue inlet is provided between the positioning insert and the dispensing section. Multiple wires pass through the multiple positioning channels one by one, enter the dispensing channel at preset intervals, and exit the dispensing channel after being wrapped with molten glue. By setting a positioning insert with multiple spaced positioning channels inside the dispensing nozzle, clear guidance and effective positioning of multiple wires before entering the dispensing channel are achieved; ensuring that the wires can be stably and orderly distributed inside the spiral membrane, effectively preventing the risk of short circuits caused by contact between wires.

This invention relates to a mechanical apparatus for recycling helical membrane elements and their components. It provides a helical membrane element that can reduce waste and conserve resources after use without altering its basic structure, and can easily recycle the permeate-side spacers and the central tube, along with a suitable mechanical apparatus for its recycling. The helical membrane element comprises: a plurality of membrane blades; permeate-side spacers disposed between opposing separating membranes, having two side sealing portions and an outer peripheral sealing portion that seals the two side ends and the outer peripheral end in the axial direction; a supply-side spacer disposed between the membrane blades; and a perforated central tube around which the membrane blades and the supply-side spacers are wound. The permeate-side spacers within the membrane blades have tearing portions covering their entire width, extending from the center towards the outer periphery.