CN221054492U - Corrosion-resistant spheroidal graphite cast iron pipe - Google Patents
Corrosion-resistant spheroidal graphite cast iron pipe Download PDFInfo
- Publication number
- CN221054492U CN221054492U CN202321187521.3U CN202321187521U CN221054492U CN 221054492 U CN221054492 U CN 221054492U CN 202321187521 U CN202321187521 U CN 202321187521U CN 221054492 U CN221054492 U CN 221054492U
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- Prior art keywords
- corrosion
- iron pipe
- resistant
- cast iron
- layer
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- 238000005260 corrosion Methods 0.000 title claims abstract description 59
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 54
- 230000007797 corrosion Effects 0.000 title claims abstract description 45
- 239000000919 ceramic Substances 0.000 claims description 22
- 239000004568 cement Substances 0.000 claims description 8
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052912 lithium silicate Inorganic materials 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a corrosion-resistant spheroidal graphite cast iron pipe, and relates to the technical field of spheroidal graphite cast iron pipes. Comprises a supporting component; the support assembly comprises a hydraulic cylinder fixedly arranged at the middle side of the upper end of the bottom plate, a hydraulic rod fixedly arranged at the upper end of the hydraulic cylinder, a fixedly connected support plate connected to the top end of the hydraulic rod and a flange piece arranged above the inner side of the support plate; the support plate and the two ends of the bottom plate are provided with a group of movable brackets. The support component provided by the utility model solves the problems that the nodular cast iron pipe is difficult to assemble and disassemble quickly when being installed, so that the cost is high, and meanwhile, the more traditional coating materials are coated on the outer wall of the nodular cast iron pipe, and the corrosion resistance is low if the support component is used under the soil polluted by industrial wastewater or in the strong acid and strong alkali environment.
Description
Technical Field
The utility model relates to the technical field of ductile cast iron pipes, in particular to a corrosion-resistant ductile cast iron pipe.
Background
The cast iron steel pipe is essentially a ductile iron pipe, and this is called as ductile iron pipe because of the nature of iron and the properties of steel. Graphite in the spheroidal graphite cast iron pipe exists in a spherical form, and the size of graphite is generally 6-7 grades. The quality of the cast iron pipe is required to be controlled to be 1-3, the spheroidization rate is more than or equal to 80%, so that the mechanical property of the material is better improved, and the cast iron pipe has the nature of iron and the property of steel. The annealed ductile cast iron pipe has a metallographic structure of ferrite and a small amount of pearlite and good mechanical property, so the ductile cast iron pipe is called a cast iron steel pipe.
However, the following drawbacks still exist in practical use:
When the existing ductile cast iron pipe is installed and connected, the ductile cast iron pipe is difficult to assemble and disassemble quickly in the flange connection process, so that the cost is high, the traditional outer wall coating material and the like are adopted on the ductile cast iron pipe, and if the ductile cast iron pipe is used under the soil polluted by industrial wastewater or under the strong acid and strong alkali environment, the corrosion resistance is low.
Accordingly, a corrosion-resistant ductile iron pipe is newly proposed to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a corrosion-resistant spheroidal graphite cast iron pipe, and a supporting component is arranged to solve the problems that the spheroidal graphite cast iron pipe is difficult to assemble and disassemble quickly when being installed, so that the cost is high, and meanwhile, the spheroidal graphite cast iron pipe is coated with a coating on the outer wall of the spheroidal graphite cast iron pipe, and the like, if the corrosion-resistant spheroidal graphite cast iron pipe is used under the soil polluted by industrial wastewater or under the strong acid and strong alkali environment, the corrosion resistance is low.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to a corrosion-resistant spheroidal graphite cast iron pipe, which comprises:
A set of bottom plates;
A support assembly;
The support assembly comprises a hydraulic cylinder fixedly arranged at the middle side of the upper end of the bottom plate, a hydraulic rod fixedly arranged at the upper end of the hydraulic cylinder, a fixedly connected support plate connected to the top end of the hydraulic rod and a flange piece arranged above the inner side of the support plate;
And (5) a corrosion resistant component.
Further, a group of movable brackets are arranged at two ends of the supporting plate and the bottom plate;
Specifically, through the effect of bottom pneumatic cylinder and hydraulic stem, can adjust the backup pad of upper end according to going up and down, be provided with the spheroidal graphite cast iron pipe that a set of movable support can effectually support the upper end simultaneously in backup pad bottom both sides.
Further, the flange piece comprises a group of symmetrical flange plates, flange bolts which are connected to any position of the outer side surface of the flange plates and are penetrated and provided with equal intervals, and flange gaskets which are connected to the middle ends of the flange plates and fixedly arranged;
Specifically, the ring flange that sets up can be effectual fix the ring flange of both sides through a plurality of flange bolts that set up at the surface and set up, and the middle-end is provided with the flange gasket simultaneously can be effectual seal the ring flange middle-end at both ends through the flange gasket.
Further, the corrosion-resistant component comprises an outer high corrosion-resistant anticorrosive layer fixedly arranged on the outer side of the flange, a nodular cast iron pipe body fixedly connected to the inner end of the outer high corrosion-resistant anticorrosive layer, a lining cement layer sleeved on the inner side of the nodular cast iron pipe body and a ceramic anticorrosive layer connected to the inner side of the lining cement layer;
Specifically, the heat resistance of the outer high-corrosion anticorrosive layer and the ceramic anticorrosive layer is that the heat resistance is that the temperature is higher every four hours, the strength of the outer high-corrosion anticorrosive layer and the ceramic anticorrosive layer after the outer high-corrosion anticorrosive layer and the metal plate are subjected to heat curing is that the outer high-corrosion anticorrosive layer and the ceramic anticorrosive layer are mpa, and the outer high-corrosion anticorrosive layer has higher stability.
Further, the thickness of the outer high-corrosion anticorrosive layer and the thickness of the ceramic anticorrosive layer are both up to micrometers;
Further, the ductile cast iron pipe body is matched with the ceramic anti-corrosion layer in length, and a lithium silicate film layer is arranged between the ductile cast iron pipe body and the ceramic anti-corrosion layer;
Specifically, the thickness of the outer high-corrosion anticorrosive layer and the thickness of the ceramic anticorrosive layer are 200-300 micrometers, and the lithium silicate film layer is arranged between the nodular cast iron pipe body and the ceramic anticorrosive layer, so that the corrosion resistance of the nodular cast iron pipe is further improved.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, in the process of connecting the two ends of the spherical cast iron pipe through the flange, the support plate is arranged at the bottom end of the spherical cast iron pipe, so that the stability of the spheroidal graphite cast iron pipe at the upper end can be effectively supported, the connection efficiency is improved, the device can be effectively disassembled, and meanwhile, the cost of the device is reduced.
2. Based on the first beneficial effect, the thickness of the high-corrosion anticorrosive coating arranged on the outer layer and the thickness of the ceramic anticorrosive coating are 200-300 micrometers, and the lithium silicate film layer is arranged between the nodular cast iron pipe body and the ceramic anticorrosive coating, so that the corrosion resistance of the nodular cast iron pipe is further improved.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an external view of the present utility model;
FIG. 2 is a block diagram of a support assembly of the present utility model;
FIG. 3 is a block diagram of a flange member according to the present utility model;
fig. 4 is a structural view of the corrosion resistant assembly of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
100. a bottom plate; 200. a support assembly; 210. a flange member; 211. a flange gasket; 212. a flange plate; 213. a flange bolt; 220. a movable bracket; 230. a support plate; 240. a hydraulic rod; 250. a hydraulic cylinder; 300. a corrosion resistant component; 310. a ceramic anticorrosive layer; 320. lining a cement layer; 330. a ductile iron pipe body; 340. the outer layer is highly corroded to form an anticorrosive layer.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Example 1
Referring to FIGS. 1-4, the present embodiment is a corrosion-resistant ductile iron pipe comprising;
A set of base plates 100;
a support assembly 200;
The support assembly 200 comprises a hydraulic cylinder 250 fixedly arranged at the middle side of the upper end of the bottom plate 100, a hydraulic rod 240 fixedly arranged at the upper end of the hydraulic cylinder 250, a fixedly connected support plate 230 connected to the top end of the hydraulic rod 240 and a flange member 210 arranged above the inner side of the support plate 230;
a set of movable brackets 220 are arranged at the two ends of the supporting plate 230 and the bottom plate 100;
The flange member 210 includes a set of symmetrical flanges 212, flange bolts 213 connected to any position of the outer surface of the flanges 212 and penetrating the flanges at equal intervals, and flange gaskets 211 fixedly connected to the middle ends of the flanges 212.
The support assembly 200 is used:
The hydraulic cylinder 250 is arranged on the middle side of the upper end of the bottom plate 100, the hydraulic rod 240 at the upper end can be driven to lift in the working process of the hydraulic cylinder 250, meanwhile, the supporting plate 230 is fixedly connected with the supporting plate 230 at the top end of the hydraulic rod 240, a group of movable brackets 220 are arranged on two sides of the inner side end of the bottom plate 100 of the supporting plate 230 and the bottom end, the lifting stability of the structure of the device can be effectively improved, meanwhile, the two ends of the nodular cast iron pipe body 330 at the two sides are fixedly connected with each other at the upper end through the flange pieces 210, meanwhile, the flange plates 212 at the two sides are stabilized by applying a force, the flange bolts 213 at the outer sides are used for fixing the flange plates 212 at the two ends, and meanwhile, the flange gaskets 211 are arranged at the joint of the flange plates 212, so that the sealing performance of the device can be effectively improved.
Example 2
Referring to fig. 4, in this embodiment, on the basis of embodiment 1, the corrosion resistant assembly 300 further includes an outer high corrosion resistant layer 340 fixedly disposed on the outer side of the flange 212, a ductile cast iron pipe body 330 fixedly connected to the inner end of the outer high corrosion resistant layer 340, a lining cement layer 320 sleeved on the inner side of the ductile cast iron pipe body 330, and a ceramic corrosion resistant layer 310 connected to the inner side of the lining cement layer 320; the thickness of the outer high corrosion resistant layer 340 and the thickness of the ceramic corrosion resistant layer 310 are 200 to 300 micrometers;
The ductile cast iron pipe body 330 is matched with the ceramic anti-corrosion layer 310 in length, and a lithium silicate film layer is arranged between the ductile cast iron pipe body and the ceramic anti-corrosion layer;
the corrosion resistant assembly 300 is used:
When the device is arranged in an external environment, the two ends of the nodular cast iron pipe body 330 are a bell mouth and a spigot, the outer wall of the nodular cast iron pipe body 330 is wrapped with the outer high corrosion-resistant and corrosion-resistant layer 340, the inner wall of the nodular cast iron pipe body 330 is sequentially provided with the lining cement layer 320 and the ceramic corrosion-resistant layer 310 from outside to inside, and the thicknesses of the outer high corrosion-resistant and corrosion-resistant layer 340 and the ceramic corrosion-resistant layer 310 are 200 to 300 micrometers.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model .
Claims (6)
1. A corrosion resistant ductile iron pipe comprising:
A set of bottom plates (100);
A support assembly (200);
The support assembly (200) comprises a hydraulic cylinder (250) fixedly arranged at the middle side of the upper end of the bottom plate (100), a hydraulic rod (240) fixedly arranged at the upper end of the hydraulic cylinder (250), a fixedly connected support plate (230) connected to the top end of the hydraulic rod (240) and a flange piece (210) arranged above the inner side of the support plate (230);
A corrosion resistant assembly (300).
2. The corrosion-resistant ductile iron pipe according to claim 1, wherein a set of movable brackets (220) is provided at both ends of the supporting plate (230) and the bottom plate (100).
3. The corrosion-resistant ductile iron pipe according to claim 1, wherein the flange member (210) comprises a set of symmetrical flanges (212), flange bolts (213) connected to any position of the outer side surface of the flanges (212) and penetrating and provided with equal intervals, and flange gaskets (211) fixedly provided at the middle ends of the flanges (212).
4. The corrosion-resistant ductile iron pipe according to claim 1, wherein the corrosion-resistant component (300) comprises an outer high corrosion-resistant layer (340) fixedly arranged on the outer side of the flange plate (212), a ductile iron pipe body (330) fixedly connected to the inner end of the outer high corrosion-resistant layer (340), a lining cement layer (320) sleeved on the inner side of the ductile iron pipe body (330), and a ceramic corrosion-resistant layer (310) connected to the inner side of the lining cement layer (320).
5. The corrosion resistant ductile iron pipe according to claim 4, wherein said outer highly corrosive resistant layer (340) and said ceramic corrosion resistant layer (310) each have a thickness of 200 to 300 μm.
6. The corrosion-resistant ductile iron pipe according to claim 4, wherein the ductile iron pipe body (330) is matched with the ceramic anti-corrosion layer (310) in length, and a lithium silicate film layer is arranged between the ductile iron pipe body and the ceramic anti-corrosion layer (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187521.3U CN221054492U (en) | 2023-05-17 | 2023-05-17 | Corrosion-resistant spheroidal graphite cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321187521.3U CN221054492U (en) | 2023-05-17 | 2023-05-17 | Corrosion-resistant spheroidal graphite cast iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054492U true CN221054492U (en) | 2024-05-31 |
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ID=91205826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321187521.3U Active CN221054492U (en) | 2023-05-17 | 2023-05-17 | Corrosion-resistant spheroidal graphite cast iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054492U (en) |
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2023
- 2023-05-17 CN CN202321187521.3U patent/CN221054492U/en active Active
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