CN217899186U - Acid cavitation resistant tee pipe fitting - Google Patents

Acid cavitation resistant tee pipe fitting Download PDF

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Publication number
CN217899186U
CN217899186U CN202222412567.2U CN202222412567U CN217899186U CN 217899186 U CN217899186 U CN 217899186U CN 202222412567 U CN202222412567 U CN 202222412567U CN 217899186 U CN217899186 U CN 217899186U
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China
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liner
lining
transition piece
acid
resistant
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CN202222412567.2U
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Chinese (zh)
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王春华
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Zhejiang Hangli Pipe Industry Co ltd
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Zhejiang Hangli Pipe Industry Co ltd
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Abstract

The application discloses an acid-resistant cavitation erosion tee pipe fitting, wherein a first lining transition piece comprises a transverse arc plate structure and a longitudinal barrel structure, and one end, far away from the transverse arc plate structure, of the longitudinal barrel structure is matched with a third lining pipe fitting; the second lining transition piece and the transverse arc plate structure are spliced to form a cylindrical structure, and the cylindrical structure is matched with the inner wall of the linear main pipeline; the acid-resistant cavitation erosion tee pipe fitting provided by the utility model has the advantages that the lining structure among the first lining pipe fitting, the second lining pipe fitting and the third lining pipe fitting is divided into the first lining transition piece and the second lining transition piece, so that the installation process of the whole acid-resistant cavitation erosion tee pipe fitting is simpler, and the processing processes of the first lining transition piece and the second lining transition piece are simpler; the characteristic that the splicing gap of the transverse arc plate structure and the second lining transition piece is parallel to the length direction of the linear main pipeline enables the processing difficulty of the transverse arc plate structure and the second lining transition piece to be reduced, and the combination tightness is easy to realize.

Description

Acid cavitation resistant tee pipe fitting
Technical Field
The utility model relates to a pipeline structure field, in particular to acid-fast cavitation erosion tee bend pipe fitting.
Background
In some pipeline transportation scenarios, the transport medium is chemically more corrosive, such as sometimes having acid gases present in the pipeline. If a tee of a conventional signal is used, it is inevitable that the pipe will be corroded.
In some cases, a corrosion resistant ceramic lining is added to the inner wall of a conventional pipe, which increases the resistance of the pipe to harsh environments. In order to achieve a good acid resistance, some pipelines still need to be lined with ceramics, and particularly in the presence of branch pipelines, the possibility of acid attack at the joints is high. But the structure of the tee pipe fitting in the pipeline system makes the difficulty of arranging the ceramic lining on the inner wall of the tee pipe fitting larger. And the ceramic lining has large size increase, the possibility of deformation in the forming process is also increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an acid-resistant cavitation erosion tee bend pipe fitting aims at solving at the comparatively difficult problem of tee bend pipe fitting inner wall processing ceramic lining.
In order to achieve the above object, the present invention provides an acid-resistant cavitation tee pipe fitting, including:
the straight main pipeline comprises a first branch pipeline and a second branch pipeline which are mutually connected in the length direction;
the third branch pipeline is connected to the middle part of the linear main pipeline in the length direction and is communicated with the inside of the linear main pipeline;
the first lining pipe fitting is lined in the first branch pipeline and made of ceramic materials;
the second lining pipe fitting is lined in the second branch pipeline and made of ceramic materials;
the third lining pipe fitting is lined in the third branch pipeline and made of ceramic materials;
a first lining transition piece, which comprises a transverse arc plate structure and a longitudinal cylinder structure, wherein a window structure is arranged in the middle of the transverse arc plate structure, the window structure is connected with the longitudinal cylinder structure, the longitudinal cylinder structure is matched with the inner wall of the third branch pipeline, and one end, away from the transverse arc plate structure, of the longitudinal cylinder structure is matched with the third lining pipe fitting, wherein the first lining transition piece is made of an acid-resistant material;
the second lining transition piece is spliced with the transverse arc plate structure to form a cylindrical structure, the cylindrical structure is matched with the inner wall of the linear main pipeline, and a splicing gap between the transverse arc plate structure and the second lining transition piece is parallel to the length direction of the linear main pipeline, wherein the second lining transition piece is made of an acid-resistant material.
Further, the first lining transition piece and the second lining transition piece are made of ceramic materials.
Further, acid erosion resistant filler is filled between the outer surfaces of the first and second liner transitions and the inner surface of the acid cavitation resistant tee.
Further, the first and second liner transition pieces are engaged at the connection locations of the first and second liner tubes, the first and third liner transition pieces.
Further, the first liner transition piece is engaged with the second liner transition piece at a connection location.
Further, the second lining transition piece comprises a plurality of ceramic splicing blocks, and the ceramic splicing blocks are bonded to form the second lining transition piece.
Further, the first liner tube includes a plurality of first inner liner rings that are intermeshed with each other, the second liner tube includes a plurality of second inner liner rings that are intermeshed with each other, and the third liner tube includes a plurality of third inner liner rings that are intermeshed with each other.
Further, the second lining transition piece comprises a plurality of ceramic arc plates which are mutually spliced.
Further, the radian of the cross section of the second lining transition piece is pi.
Furthermore, the first lining transition piece and the second lining transition piece are respectively of an integrated structure and are made of stainless steel, and the outer surfaces of the first lining transition piece and the second lining transition piece are covered with an acid-resistant alloy coating.
The utility model provides an acid-resistant cavitation erosion tee pipe fitting adopts simple first inside lining pipe fitting, second inside lining pipe fitting and third inside lining pipe fitting to accomplish most inside lining structure, then the inside lining structure between first inside lining pipe fitting, second inside lining pipe fitting and the third inside lining pipe fitting is divided into first inside lining transition piece and second inside lining transition piece, so that the installation process of the whole acid-resistant cavitation erosion tee pipe fitting is simpler, and the processing process of first inside lining transition piece and second inside lining transition piece is simpler; the characteristics that the splicing gap of the transverse arc plate structure and the second lining transition piece is parallel to the length direction of the linear main pipeline enable the processing difficulty of the transverse arc plate structure and the second lining transition piece to be reduced, and the combination tightness is easy to realize.
Drawings
Fig. 1 is a schematic cross-sectional view of a straight main pipe and a third branch pipe in an acid cavitation resistant tee pipe fitting according to an embodiment of the present invention;
FIG. 2 is a schematic view (with portions cut away) of an acid cavitation resistant tee fitting in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a first liner transition piece in an acid cavitation resistant tee fitting in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a first liner transition piece and a second liner transition piece of an acid cavitation resistant tee of an embodiment of the present invention;
FIG. 5 is a longitudinal cross-section of a second embodiment of the acid cavitation resistant tee of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is an enlarged view of portion B of FIG. 5;
FIG. 8 is an enlarged view of section C of FIG. 5;
fig. 9 is a schematic view (with parts cut away) of a third embodiment of the present invention of an acid cavitation resistant tee.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1-9, in an embodiment of the present invention, an acid cavitation resistant tee fitting includes:
a linear main duct 100 including a first branch duct 110 and a second branch duct 120 connected to each other in a length direction;
the third branch pipeline 200 is connected to the middle part of the linear main pipeline 100 in the length direction and communicated with the interior of the linear main pipeline 100;
a first lining pipe 300 lining the first branch pipe 110, wherein the first lining pipe 300 is made of ceramic;
a second lining pipe 400 lining the second branch pipe 120, the second lining pipe 400 being made of ceramic;
a third lining pipe 500 lining the third branch pipe 200, the third lining pipe 500 being made of ceramic;
a first lining transition piece 600, comprising a transverse arc plate structure 610 and a longitudinal cylinder structure 620, wherein a window structure is arranged in the middle of the transverse arc plate structure 610, the window structure is connected with the longitudinal cylinder structure 620, the longitudinal cylinder structure 620 is matched with the inner wall of the third branch pipe 200, one end of the longitudinal cylinder structure 620, which is far away from the transverse arc plate structure 610, is matched with the third lining pipe 500, and wherein the first lining transition piece 600 is made of an acid-resistant material;
and the second lining transition piece 700 is spliced with the transverse arc plate structure 610 to form a cylindrical structure, the cylindrical structure is matched with the inner wall of the linear main pipeline 100, the splicing gap between the transverse arc plate structure 610 and the second lining transition piece 700 is parallel to the length direction of the linear main pipeline 100, and the second lining transition piece 700 is made of an acid-resistant material.
The utility model discloses in, in order to reduce the processing degree of difficulty of inside lining, the overall structure complexity of sharp trunk line 100 and third pipeline 200 has been reduced, adopt simple first inside lining pipe fitting 300 simultaneously, most inside lining structure is accomplished to second inside lining pipe fitting 400 and third inside lining pipe fitting 500, then first inside lining pipe fitting 300, first inside lining transition piece 600 and second inside lining transition piece 700 are split into to inside lining structure between second inside lining pipe fitting 400 and the third inside lining pipe fitting 500, make the installation process of whole acid-resistant cavitation erosion tee bend pipe fitting comparatively simple above, and the course of working of first inside lining transition piece 600 and second inside lining transition piece 700 is comparatively simple. The first, second or third lining pipe 300, 400 or 500 may be a whole ceramic pipe structure or a link structure. The first lining transition piece 600 and the second lining transition piece 700 may be made of acid-resistant metal alloy material or ceramic material, etc., wherein the ceramic material has the advantage of high acid resistance, and the metal alloy material has the advantage of accurate forming. The characteristic that the splicing gap of the transverse arc plate structure 610 and the second lining transition piece 700 is parallel to the length direction of the linear main pipeline 100 makes the processing difficulty of the two reduced, and the combination tightness is easy to realize.
In one embodiment, the first liner transition piece 600 and the second liner transition piece 700 are ceramic.
In the present embodiment, the first and second liner transition pieces 600 and 700 assist the first, second, and third liner pipes 300, 400, and 500 to protect the inner walls of the main linear pipeline 100 and the third branch pipeline 200. In the present embodiment, the first lining transition piece 600 and the second lining transition piece 700 are made of ceramic (alumina or zirconia or other ceramic material with excellent acid resistance), providing better acid resistance. Consider the utility model discloses in, in order to reduce the shaping degree of difficulty, first inside lining transition piece 600 and second inside lining transition piece 700 are split into to the inside lining structure between first inside lining pipe fitting 300, second inside lining pipe fitting 400 and the third inside lining pipe fitting 500, and first inside lining transition piece 600 and second inside lining transition piece 700 select for use this moment for use to be ceramic material, and its shaping degree of difficulty reduces by a wide margin. The first lining transition piece 600 and the second lining transition piece 700 are made of alumina ceramic, zirconia ceramic or tungsten carbide. The above alumina material, zirconia material or tungsten carbide material has high corrosion resistance or acid resistance, and is suitable as a material of choice.
In one embodiment, acid erosion resistant filler is filled between the outer surfaces of the first and second liner transition pieces 600, 700 and the inner surface of the acid cavitation resistant tee.
The first lining transition piece 600 and the second lining transition piece 700 are well fixed, and the acid corrosion resistant filler is ethylene propylene rubber or fluorine rubber.
Referring to fig. 5-8, in one embodiment, the first liner transition piece 600 is engaged with the first liner tube 300, the first liner transition piece 600 is engaged with the second liner tube 400, and the first liner transition piece 600 is engaged with the third liner tube 500 at the connection locations.
In this embodiment, the three engagement locations provide superior sealing between the first liner transition piece 600 and the first, second, and third liner tubes 300, 400, 500.
In one embodiment, the first liner transition piece 600 is engaged with the second liner transition piece 700 at the location of the connection.
The above engagement structure is superior to the sealing effect before the first liner transition piece 600 and the second liner transition piece 700 are improved.
Referring to FIG. 9, in one embodiment, the second liner transition piece 700 includes a plurality of ceramic tiles 710, the plurality of ceramic tiles 710 bonded to form the second liner transition piece 700.
The second lining transition piece 700 is formed by bonding a plurality of ceramic splicing blocks 710, so that the adaptability is high, and the processing flexibility is high.
Referring to fig. 1-4, in one embodiment, the first liner tube 300 includes a plurality of first inner liner rings 310, a plurality of the first inner liner rings 310 are intermeshed with each other, the second liner tube 400 includes a plurality of second inner liner rings 410, a plurality of the second inner liner rings 410 are intermeshed with each other, the third liner tube 500 includes a plurality of third inner liner rings 510, and a plurality of the third inner liner rings 510 are intermeshed with each other.
Taking the first liner tube 300 as an example, it has a plurality of first liner rings 310, and the first liner rings 310 have snap-fit structures at both ends, so that the first liner rings 310 can form an engagement structure therebetween. It is simpler to form the engagement structure of the first liner transition piece 600 and the first liner tube 300, so long as the first liner transition piece 600 is formed with a mating structure at a location corresponding to the first liner ring 310.
Referring to fig. 5-8, in one embodiment, the second liner transition piece 700 includes a plurality of ceramic arc plates 720, the plurality of ceramic arc plates 720 being coupled to one another.
Above second inside lining transition piece 700 is the setting of amalgamation structure, lies in a whole for second inside lining transition piece 700, and the deformation is controlled more easily in the ceramic arc plate 720 firing process. The advantages of the above arrangement are more apparent particularly when the inner diameter of the straight main conduit 100 is large (sintering is prone to deformation when the second lining transition piece 700 is of unitary construction).
In one embodiment, the second liner transition piece 700 has a cross-sectional arc of π.
The second lining transition piece 700 may be manufactured by cutting and firing the blank of the first lining pipe 300 or the second lining pipe 400 (the first lining pipe 300 and the second lining pipe 400 may be identical) to form the ceramic arc plate 720, or by cutting the blank after the firing process of the first lining pipe 300 or the second lining pipe 400 is completed. It should be noted that, in order to realize the connection of the first lining transition piece 600, the arrangement directions of the first lining pipe 300 and the second lining pipe 400 are opposite, and at this time, the types of the ceramic arc plates 720 cannot be completely consistent, and a special-shaped transition piece is required to exist.
In one embodiment, the first lining transition piece 600 and the second lining transition piece 700 are respectively of an integral structure and are made of stainless steel, and the outer surfaces of the first lining transition piece 600 and the second lining transition piece 700 are covered with an acid-resistant alloy coating.
Since the deformation of the ceramic material is difficult to control all the time during the firing process, in this embodiment, the common stainless steel is used as the material selection of the first lining transition piece 600 and the second lining transition piece 700, and the acid-resistant alloy coating is applied to the outer surface of the first lining transition piece 600 and the second lining transition piece 700, so that the first lining transition piece 600 and the second lining transition piece 700 have certain acid-resistant gas corrosion characteristics as a whole, and the processing difficulty and the processing accuracy thereof are superior to those of the ceramic material. In some embodiments, the material of the acid-resistant alloy coating may be nickel oxide or nickel-chromium alloy or tungsten carbide, or the like. In the process of processing the acid-resistant alloy coating, the first lining transition piece 600 and the second lining transition piece 700 are not provided with structures such as pipelines, so that the process is very convenient to carry out, and the thickness of the acid-resistant alloy coating can be processed to be thicker, so that the acid resistance of the whole acid-resistant cavitation three-way pipe fitting is still superior.
To sum up, the acid-resistant cavitation erosion tee pipe fitting provided by the utility model adopts the simple first lining pipe fitting, the second lining pipe fitting and the third lining pipe fitting to complete most of lining structures, and then the lining structures between the first lining pipe fitting, the second lining pipe fitting and the third lining pipe fitting are divided into the first lining transition piece and the second lining transition piece, so that the installation process of the whole acid-resistant cavitation erosion tee pipe fitting is simpler, and the processing processes of the first lining transition piece and the second lining transition piece are simpler; the characteristics that the splicing gap of the transverse arc plate structure and the second lining transition piece is parallel to the length direction of the linear main pipeline enable the processing difficulty of the transverse arc plate structure and the second lining transition piece to be reduced, and the combination tightness is easy to realize.
The above only is the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims (10)

1. An acid cavitation resistant tee fitting, comprising:
a linear main duct (100) including a first branch duct (110) and a second branch duct (120) connected to each other in a length direction;
the third branch pipeline (200) is connected to the middle part of the linear main pipeline (100) in the length direction and communicated with the linear main pipeline (100) internally;
a first lining pipe (300) lining the first branch pipe (110), the first lining pipe (300) being made of ceramic material;
a second lining pipe (400) lining the second branch pipe (120), the second lining pipe (400) being made of ceramic material;
a third lining pipe (500) lining the third branch pipe (200), the third lining pipe (500) being made of ceramic;
a first lining transition piece (600) comprising a transverse arc plate structure (610) and a longitudinal cylinder structure (620), wherein a window structure is arranged in the middle of the transverse arc plate structure (610), the longitudinal cylinder structure (620) is connected to the window structure, the longitudinal cylinder structure (620) is matched with the inner wall of the third branch pipeline (200), one end, away from the transverse arc plate structure (610), of the longitudinal cylinder structure (620) is matched with the third lining pipe fitting (500), and the first lining transition piece (600) is made of an acid-resistant material;
the second liner transition piece (700) is spliced with the transverse arc plate structure (610) to form a cylindrical structure, the cylindrical structure is matched with the inner wall of the linear main pipeline (100), the splicing gap of the transverse arc plate structure (610) and the second liner transition piece (700) is parallel to the length direction of the linear main pipeline (100), and the second liner transition piece (700) is made of an acid-resistant material.
2. The acid-cavitation-resistant tee fitting of claim 1, wherein the first and second liner transitions (600, 700) are ceramic.
3. The acid-resistant cavitation tee fitting of claim 2, characterized in that acid-resistant filler is filled between the outer surfaces of the first and second liner transitions (600, 700) and the acid-resistant cavitation tee fitting inner surface.
4. The acid-resistant cavitation tee fitting of claim 2 or 3, wherein the first and second liner transition pieces (600, 500) are engaged at the connection locations of the first and second liner fitting (300, 600), 400 and the first and third liner fitting (600, 500).
5. The acid-resistant cavitation tee fitting of claim 4, wherein the first liner transition (600) and the second liner transition (700) are engaged at a connection location.
6. The acid-resistant cavitation tee fitting of claim 2, characterized in that the second liner transition piece (700) includes a plurality of ceramic tiles (710), the plurality of ceramic tiles (710) being bonded to form the second liner transition piece (700).
7. The acid-resistant cavitation tee fitting of claim 4, wherein the first liner fitting (300) includes a plurality of first liner rings (310), a plurality of the first liner rings (310) being intermeshed with one another, the second liner fitting (400) includes a plurality of second liner rings (410), a plurality of the second liner rings (410) being intermeshed with one another, the third liner fitting (500) includes a plurality of third liner rings (510), a plurality of the third liner rings (510) being intermeshed with one another.
8. The acid cavitation resistant tee fitting of claim 7, wherein said second liner transition piece (700) includes a plurality of ceramic arc plates (720), said plurality of ceramic arc plates (720) being intermeshed with one another.
9. The acid cavitation resistant tee fitting of claim 8, wherein the second liner transition piece (700) has a radian in cross-section of pi.
10. The acid-resistant cavitation tee fitting of claim 1, wherein the first and second liner transition pieces (600, 700) are each of a unitary construction and are stainless steel, the first and second liner transition pieces (600, 700) being coated on their outer surfaces with an acid-resistant alloy coating.
CN202222412567.2U 2022-09-13 2022-09-13 Acid cavitation resistant tee pipe fitting Active CN217899186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222412567.2U CN217899186U (en) 2022-09-13 2022-09-13 Acid cavitation resistant tee pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222412567.2U CN217899186U (en) 2022-09-13 2022-09-13 Acid cavitation resistant tee pipe fitting

Publications (1)

Publication Number Publication Date
CN217899186U true CN217899186U (en) 2022-11-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222412567.2U Active CN217899186U (en) 2022-09-13 2022-09-13 Acid cavitation resistant tee pipe fitting

Country Status (1)

Country Link
CN (1) CN217899186U (en)

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