CN206175843U - Anti difference in temperature T type nodular cast -iron pipe - Google Patents
Anti difference in temperature T type nodular cast -iron pipe Download PDFInfo
- Publication number
- CN206175843U CN206175843U CN201621079350.2U CN201621079350U CN206175843U CN 206175843 U CN206175843 U CN 206175843U CN 201621079350 U CN201621079350 U CN 201621079350U CN 206175843 U CN206175843 U CN 206175843U
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- CN
- China
- Prior art keywords
- iron pipe
- layer
- cast
- nodular cast
- iron body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 58
- 238000005260 corrosion Methods 0.000 claims abstract description 20
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 18
- 230000007797 corrosion Effects 0.000 claims abstract description 18
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 239000002689 soil Substances 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007531 graphite casting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses an anti difference in temperature T type nodular cast -iron pipe, including the nodular cast -iron pipe body, bellmouth, recess, inside lining cement layer, cast iron body layer, inorganic heat preservation mortar layer, external coating, anti -corrosion coating. The beneficial effects of the utility model are that: inorganic heat preservation mortar layer can effectively keep warm thermal -insulated and ageing -resistantly, the expend with heat and contract with cold who has effectively avoided T type nodular cast -iron pipe is big, easily wear out and should not receive positive light -struck shortcoming for a long time, quality of water can be protected to the inside lining cement layer, reduce head loss, the service life of T type nodular cast -iron pipe is prolonged, anti -corrosion coating can improve the anti -erosion capacity to the acid -base composition in the sewage, external coating can protect cast iron body layer to bury the erosion that receives for a long time under soil, further improve T type nodular cast -iron pipe's corrosion resistance, the utility model discloses effectively solved T type nodular cast -iron pipe and destroyed because of expend with heat and contract with cold leads to T type nodular cast -iron pipe inner structure at the soil environment that the difference in temperature is big, unable quality of water and the corrosion resistance of guaranteeing.
Description
Technical field
This utility model is related to a kind of cast iron pipe, the T-shaped ductile iron pipe of specially a kind of Anti-temperature difference, belongs to pipe applications skill
Art field.
Background technology
T-shaped ductile iron pipe be for recommend for admission to school water, coal gas, atmosphere, oil and the daily elevated pressures fluid of heating steam etc. and
The characteristics of T-shaped spheroidal graphite casting material of other use is that inner wall smooth, lightweight, corrosion-resistant, good antiscale property function be good, the low one-level of cost.
The forging technology of ductile iron pipe has, and individual middle water cooling is, when modern skill, not conform to technique
Spheroidal graphite cast-iron skill work(is contrasted with plain cast iron pipe, the corrosion resistance of the plain cast iron pipe that not only stood facing each other, and have intensity it is high,
Good toughness, wall are thin, lightweight, impact resistance, bending function is big, install box lunch etc., and also achieve at home and fulfil well
With.
There are many defects in the existing domestic ductile iron pipe for water delivery, mainly have easily aging, expands with heat and contract with cold big, is difficult
Long-time by sunlight irradiation, therefore bury in the big soil of the temperature difference anti-T-shaped ductile iron pipe can so that in the presence of expanding with heat and contract with cold,
T-shaped ductile iron pipe internal structure is destroyed, and loses original ability, therefore, it is proposed to a kind of T-shaped ductile iron pipe of Anti-temperature difference.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of Anti-temperature difference T-shaped ductile iron pipe.
This utility model is achieved through the following technical solutions above-mentioned purpose, a kind of T-shaped ductile iron pipe of Anti-temperature difference, including
Spheroidal graphite cast-iron body, the spheroidal graphite cast-iron body two ends are provided with bellmouth, and the bellmouth is internally provided with some grooves, the ball
In graphite cast iron pipe body, portion's outermost is provided with external protection, and inorganic heat insulation mortar layer is provided with below the external protection, described
Cast iron body layer is provided with below inorganic heat insulation mortar layer, liner cement layer, the ball below the cast iron body layer, is provided with
In graphite cast iron pipe body, portion most inner side is provided with corrosion-resistant coating.
Preferably, the inorganic heat insulation mortar layer and the liner cement layer are all that the inside of the spheroidal graphite cast-iron body is filled out
Fill layer.
Preferably, the thickness of the liner cement layer is 3-10mm.
Preferably, the thickness of the inorganic heat insulation mortar layer is about 3-5mm.
Preferably, diameter of the interior diameter of the bellmouth more than the spheroidal graphite cast-iron body.
The beneficial effects of the utility model are：Inorganic heat insulation mortar layer can effective insulation and ageing-resistant, effectively keep away
The sunkissed shortcoming of big, the easily aging and unsuitable long-time of expanding with heat and contract with cold for T-shaped ductile iron pipe, liner cement layer energy are exempted from
Water quality is enough protected, the loss of flood peak is reduced, the service life of T-shaped ductile iron pipe is improved, corrosion-resistant coating can be improved in sewage
Soda acid composition corrosion resistance, external protection can protect cast iron body layer to be embedded under soil suffered erosion for a long time,
The corrosion resistance of T-shaped ductile iron pipe is improved further, it is big in the temperature difference that this utility model efficiently solves T-shaped ductile iron pipe
Soil environment causes T-shaped ductile iron pipe internal structure to be destroyed because expanding with heat and contract with cold, and loses original ability, it is impossible to ensure the water of water
Matter and corrosion resistance.
Description of the drawings
Fig. 1 is this utility model overall structure diagram；
Generalized sections of the Fig. 2 for this utility model spheroidal graphite cast-iron body；
In figure：1st, spheroidal graphite cast-iron body, 2, bellmouth, 3, groove, 4, liner cement layer, 5, cast iron body layer, 5, inorganic guarantor
Warm screed, 6, external protection, 7, corrosion-resistant coating.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to shown in Fig. 1-2, a kind of T-shaped ductile iron pipe of Anti-temperature difference, including spheroidal graphite cast-iron body 1, ductile iron pipe
1 two ends of body are provided with bellmouth 2, and bellmouth 2 is internally provided with some grooves 3, and 1 inside outermost of spheroidal graphite cast-iron body is provided with outer guarantor
Sheath 7, is provided with inorganic heat insulation mortar layer 6, cast iron body layer is provided with below inorganic heat insulation mortar layer 6 below external protection 7
5, liner cement layer 4 is provided with below cast iron body layer 5, inside spheroidal graphite cast-iron body 1, most inner side is provided with corrosion-resistant coating 8.
Inorganic heat insulation mortar layer 6 and liner cement layer 4 are all the inside packed layer of spheroidal graphite cast-iron body 1, internal packed layer
The erosion of ductile iron pipe inside and outside is prevented from, prevents destructurized, lose original effect, the thickness of liner cement layer 4
For 3-10mm, suitable thickness effective protection water quality and can reduce the loss of water, and the thickness of inorganic heat insulation mortar layer 6 is about 3-
5mm, suitable thickness ensure that the heat-insulation and heat-preservation ability and ageing-resistant ability of spheroidal graphite cast-iron body 1, and the interior diameter of bellmouth 2 is big
In the diameter of spheroidal graphite cast-iron body 1, it is easy to the installation with ductile iron pipe.
First, 1 most external of spheroidal graphite cast-iron body be external protection 7, the various erosions that effectively can completely cut off in soil, spheroidal graphite
1 penetralia of cast iron body is corrosion-resistant coating 8, it is possible to increase the corrosion resistance to soda acid composition in water, liner cement layer 4 and nothing
Machine heat-insulation mortar bed 6 is internal packed layer, and liner cement layer 4 ensure that water quality and reduce the loss of water, inorganic heat insulation mortar
Layer 6 heat-insulation and heat-preservation and can improve resistance to ag(e)ing, and cast iron body layer 5 is intermediate layer, supports ductile iron pipe, with certain strong
Degree and toughness.
The beneficial effects of the utility model：Inorganic heat insulation mortar layer can effective insulation and ageing-resistant, be prevented effectively from
Big, the easily aging and unsuitable shortcoming sunkissed for a long time of expanding with heat and contract with cold for T-shaped ductile iron pipe, liner cement layer can
Protection water quality, reduces the loss of flood peak, improves the service life of T-shaped ductile iron pipe, and corrosion-resistant coating can be improved in sewage
The corrosion resistance of soda acid composition, external protection can protect cast iron body layer to be embedded in erosion suffered under soil for a long time, enter
One step improves the corrosion resistance of T-shaped ductile iron pipe, and this utility model efficiently solves T-shaped ductile iron pipe in the big soil of the temperature difference
Earth environment causes T-shaped ductile iron pipe internal structure to be destroyed because expanding with heat and contract with cold, and loses original ability, it is impossible to ensure the water quality of water
And corrosion resistance.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of T-shaped ductile iron pipe of Anti-temperature difference, including spheroidal graphite cast-iron body（1）, it is characterised in that：The spheroidal graphite cast-iron body
（1）Two ends are provided with bellmouth（2）, the bellmouth（2）It is internally provided with some grooves（3）, the spheroidal graphite cast-iron body（1）It is internal
Outermost is provided with external protection（7）, the external protection（7）Lower section is provided with inorganic heat insulation mortar layer（6）, the inorganic guarantor
Warm screed（6）Lower section is provided with cast iron body layer（5）, the cast iron body layer（5）Lower section is provided with liner cement layer（4）,
The spheroidal graphite cast-iron body（1）Internal most inner side is provided with corrosion-resistant coating（8）.
2. the T-shaped ductile iron pipe of a kind of Anti-temperature difference according to claim 1, it is characterised in that：The inorganic heat insulation mortar
Layer（6）With the liner cement layer（4）All it is the spheroidal graphite cast-iron body（1）Inside packed layer.
3. the T-shaped ductile iron pipe of a kind of Anti-temperature difference according to claim 1, it is characterised in that：The liner cement layer（4）
Thickness be 3-10mm.
4. the T-shaped ductile iron pipe of a kind of Anti-temperature difference according to claim 1, it is characterised in that：The inorganic heat insulation mortar
Layer（6）Thickness be about 3-5mm.
5. the T-shaped ductile iron pipe of a kind of Anti-temperature difference according to claim 1, it is characterised in that：The bellmouth（2）It is interior straight
Footpath is more than the spheroidal graphite cast-iron body（1）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079350.2U CN206175843U (en) | 2016-09-26 | 2016-09-26 | Anti difference in temperature T type nodular cast -iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079350.2U CN206175843U (en) | 2016-09-26 | 2016-09-26 | Anti difference in temperature T type nodular cast -iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175843U true CN206175843U (en) | 2017-05-17 |
Family
ID=58676478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079350.2U Expired - Fee Related CN206175843U (en) | 2016-09-26 | 2016-09-26 | Anti difference in temperature T type nodular cast -iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175843U (en) |
-
2016
- 2016-09-26 CN CN201621079350.2U patent/CN206175843U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |