CN213347983U

CN213347983U - Filter head device of nuclear power station desalter

Info

Publication number: CN213347983U
Application number: CN202021531268.5U
Authority: CN
Inventors: 张厦
Original assignee: ZHANGJIAGANG LIANTONG CHEMICAL MACHINERY CO Ltd
Current assignee: ZHANGJIAGANG LIANTONG CHEMICAL MACHINERY CO Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-06-04
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a nuclear power station demineralizer filter head device, include: base tube and cover are located filter sleeve outside the base tube, the base tube flushes and just passes through branch pipe closure plate welded connection with filter sleeve's one end, the other end of base tube and filter sleeve welded connection just extend to the filter sleeve outside, cross the water through-hole through a plurality of between base tube and the filter sleeve and be linked together, be provided with a plurality of wedges along its axial on the filter sleeve's the inside wall, the filter sleeve has seted up a plurality of gaps of overflowing along its circumferencial direction, it is located between two adjacent wedges and is horn column structure, and is a plurality of to overflow the gap the wedge is connected through many bracing pieces. The utility model discloses a power station demineralizer filter head device has intensity height, no welding deformation, the gap is even, characteristics that the precision is high, overflows the gap and is loudspeaker column structure, and filtration efficiency is high, is difficult to the jam.

Description

Filter head device of nuclear power station desalter

Technical Field

The utility model relates to a technical field of demineralizer filter head especially relates to a nuclear power station demineralizer filter head device.

Background

The laminated filter head has the advantages that the laminated filter head is of a traditional filter head structure, although the defect of easiness in damage is overcome, the water flow gap between the filter head and the filter head is controlled by point contact, the gap size is difficult to control, the machining precision requirement is high, the assembly process is complex, the assembly precision is difficult to control, the water flow scouring and vibration under long-term operation can wear contact point steps, and finally the filter head is caused to fail in function.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a nuclear power station demineralizer filter head device, has intensity height, no welding deformation, the gap is even, characteristics that the precision is high, overflows the gap and is loudspeaker column structure, and filtration efficiency is high, is difficult to the jam.

In order to solve the technical problem, the utility model discloses a technical scheme be: a nuclear power plant demineralizer filter apparatus, comprising: base tube and cover are located filter sleeve outside the base tube, the base tube flushes and just passes through branch pipe closure plate welded connection with filter sleeve's one end, the other end of base tube and filter sleeve welded connection just extend to the filter sleeve outside, cross the water through-hole through a plurality of between base tube and the filter sleeve and be linked together, be provided with a plurality of wedges along its axial on the filter sleeve's the inside wall, the filter sleeve has seted up a plurality of gaps of overflowing along its circumferencial direction, it is located between two adjacent wedges and is horn column structure, and is a plurality of to overflow the gap the wedge is connected through many bracing pieces.

In a preferred embodiment of the present invention, the support rod is disposed along the axial direction of the filter sleeve and perpendicular to a plurality of wedge blocks, and the wedge blocks are welded to the support rod.

In a preferred embodiment of the present invention, the wedge is a V-shaped wire, and a tip of the V-shaped wire points to the direction of the base pipe.

In a preferred embodiment of the present invention, a trumpet-shaped overflowing gap is formed between two adjacent V-shaped wedges.

In a preferred embodiment of the present invention, the flow passage gap is an annular structure formed along a circumferential direction of the filter sleeve.

In a preferred embodiment of the present invention, the plurality of flow gaps are arranged in parallel to each other along the axial direction of the filter sleeve.

In a preferred embodiment of the present invention, the water passing holes are through holes symmetrically formed in pairs along the circumferential direction of the filtering sleeve.

In a preferred embodiment of the present invention, both ends of the base pipe are respectively connected to the filter sleeve by welding through "L" shaped fixing blocks.

In a preferred embodiment of the present invention, the end surface of the branch pipe blocking plate is a smooth surface formed after polishing.

In a preferred embodiment of the present invention, the base pipe, the filter sleeve, the wedge and the support rod are made of stainless steel.

The utility model has the advantages that: the utility model discloses a nuclear power station demineralizer filter head device, the gap that overflows on the filter sleeve pipe is that the whole cutting forms, and the gap is disconnected with the gap to make the filter sleeve pipe be an overall structure, have intensity height, no welding deformation, the gap is even, characteristics that the precision is high, overflow the gap and be loudspeaker column structure, and filtration efficiency is high, be difficult to block up, and the wedge forms for the preparation of the nonrust steel wire of V style of calligraphy, and the surface is smooth, does not harm the resin granule during filtration, increase of service life, thereby practice thrift the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a cross-sectional view of a nuclear power plant demineralizer filter head assembly of the present invention;

FIG. 2 is an enlarged view of FIG. 1 circled;

fig. 3 is a schematic view of the connection between the wedge block and the support rod of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a nuclear power station demineralizer filter head device, includes: the base pipe 1 and the filter sleeve 2 that the cover was located the base pipe outside, the both ends of base pipe respectively through "L" type fixed block 3 with filter sleeve welded connection, it is concrete, the end of base pipe flushes with filter sleeve, both weld the back and weld into a whole with branch pipe closure plate 4 again, the smooth surface that forms after polishing of outer terminal surface of branch pipe closure plate, when using the installation, other supporting equipment of using of difficult scratch, the head end of base pipe and filter sleeve welded connection and extend to the filter sleeve outside and form the connector, be linked together through a plurality of water through-hole 5 between base pipe and the filter sleeve, be provided with a plurality of wedges 6 along its axial on the inside wall of filter sleeve, filter sleeve has seted up a plurality of gaps 7 that overflow along its circumferencial direction, the gap that overflows is located between two adjacent wedges and is horn structure, the wedge blocks are connected through a plurality of support rods 8.

It is specific, the wedge is "V" style of calligraphy wire, the most advanced directional parent tube direction of "V" style of calligraphy wire, formed the gap that overflows of loudspeaker form between two adjacent "V" style of calligraphy wedges, the horn mouth that overflows the gap is towards the direction of parent tube, can increase effective filtration area, easy washing, inboard circumference distribution along filter tube is provided with many spinal branch vaulting poles, every spinal branch vaulting pole sets up and approximately equals with filter tube's length along filter tube's axial extension, a plurality of "V" style of calligraphy wire adopt resistance welding's mode vertical connection on the bracing piece, it forms to overflow the gap to be whole cutting, the gap is disconnected and the surface is smooth with the gap, wearing and tearing are less, do not harm the resin granule, prolonged service life, thereby practice thrift the cost.

Specifically, the gap that overflows is the cyclic annular structure that forms along the cutting of filtering sleeve's circumferencial direction whole circle, and many overflow the gap and arrange and parallel arrangement each other along filtering sleeve's axial, and the gap that overflows that the cutting formed is disconnected between to make filtering sleeve be an overall structure, have intensity height, do not have welding deformation, the gap is even, characteristics that the precision is high.

Specifically, a plurality of water through holes are formed in the filtering sleeve, four penetrating water through holes are formed in the circumferential direction of the filtering sleeve in a pairwise symmetrical mode, a plurality of penetrating water through holes are evenly distributed in the axial direction of the filtering sleeve, strength of the filtering sleeve can be enhanced, and in addition, the effect of even distribution is achieved when filtered liquid flows out.

The utility model relates to a nuclear power station demineralizer filter head device's beneficial effect is: the utility model discloses a nuclear power station demineralizer filter head device, the gap that overflows on the filter sleeve pipe is that the whole cutting forms, and the gap is disconnected with the gap to make the filter sleeve pipe be an overall structure, have intensity height, no welding deformation, the gap is even, characteristics that the precision is high, overflow the gap and be loudspeaker column structure, and filtration efficiency is high, be difficult to block up, and the wedge forms for the preparation of the nonrust steel wire of V style of calligraphy, and the surface is smooth, does not harm the resin granule during filtration, increase of service life, thereby practice thrift the cost.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A nuclear power station demineralizer filter head device, characterized by, includes: base tube and cover are located filter sleeve outside the base tube, the base tube flushes and just passes through branch pipe closure plate welded connection with filter sleeve's one end, the other end of base tube and filter sleeve welded connection just extend to the filter sleeve outside, cross the water through-hole through a plurality of between base tube and the filter sleeve and be linked together, it is provided with a plurality of wedges to arrange along its axial on the filter sleeve's the inside wall, the filter sleeve has seted up a plurality of gaps of overflowing along its circumferencial direction, it is located between the two adjacent wedges and is horn column structure, and is a plurality of to overflow the gap the wedge is connected through many bracing pieces.

2. The nuclear power plant demineralizer filter head assembly defined in claim 1, wherein said support rod is disposed along an axial direction of said filter sleeve and is perpendicular to a plurality of wedge blocks, said wedge blocks being welded to said support rod.

3. The nuclear power plant desalter filter head apparatus of claim 1, wherein said wedge block is a V-shaped wire, and a tip of said V-shaped wire is directed toward said base pipe.

4. The nuclear power plant demineralizer filter assembly defined in claim 3, wherein a flared flow gap is defined between adjacent ones of said V-shaped wedges.

5. The nuclear power plant demineralizer filter head assembly defined in claim 1, wherein said flow gap is an annular structure formed circumferentially around said filter sleeve.

6. The nuclear power plant demineralizer filter head assembly defined in claim 1, wherein said plurality of flow-through slits are disposed in parallel with one another along an axial direction of said filter sleeve.

7. The nuclear power plant demineralizer filter head apparatus according to claim 1, wherein the water passing holes are through holes that are symmetrically arranged two by two along a circumferential direction of the filter sleeve.

8. The nuclear power plant desalter filter head device as recited in claim 1, wherein two ends of said base pipe are respectively welded with said filter sleeve through "L" shaped fixing blocks.

9. The nuclear power plant demineralizer filter assembly of claim 1, wherein the end surfaces of said branch pipe blanking plates are smooth surfaces formed by grinding.

10. The nuclear power plant desalter filter head apparatus of claim 1, wherein said base pipe, said filter sleeve, said wedge block and said support rod are made of stainless steel material.