CN108724874A - Heat-resisting acid-resistant container - Google Patents
Heat-resisting acid-resistant container Download PDFInfo
- Publication number
- CN108724874A CN108724874A CN201810366389.XA CN201810366389A CN108724874A CN 108724874 A CN108724874 A CN 108724874A CN 201810366389 A CN201810366389 A CN 201810366389A CN 108724874 A CN108724874 A CN 108724874A
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- Prior art keywords
- heat
- resisting acid
- resistant
- layer
- resisting
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/14—Linings or internal coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/34—Coverings or external coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Abstract
The present invention provides a kind of heat-resisting acid-resistant container, chamber wall includes outer separation layer and heat-resisting acid-resistant layer, outer separation layer is made of acidproof plastics, and heat-resisting acid-resistant layer is poured and formed by reinforcing bar and waterglass material, and outer separation layer inner surface closely connect or is tightly engaged into heat-resisting acid-resistant layer.Plastics constitute outer separation layer, antiseepage can be played the role of, reduce in addition on outer layer carbon steel formation impervious barrier layer the step of, simplify technological process.The heat-resisting acid-resistant layer formed is poured by reinforcing bar and waterglass material, not only there is supporting role, it may have antiseepage, acidproof effect.Heat-resisting acid-resistant container provided by the invention is simple in structure, easy to make, time-consuming short and good seepage-proof property is isolated, and has very high use value.
Description
Technical field
The invention belongs to chemical equipment technical fields, and in particular to a kind of heat-resisting acid-resistant container.
Background technology
In chemical process, heat-resisting acid-resistant container is essential chemical industry equipment.Currently, common acidproof heat-proof
Container, chamber wall include three layers：Outer layer is the shell of carbon steel, and middle level is the separation layer that makes of inner surface in carbon steel, such as ward off lead,
Acidproof asbestos board, patch autovulcanization butyl rubber etc. are pasted, internal layer is to arrive multilayer with one that acidproof sodium or potassium water glass material are pasted
Acidproof brick.This heat-resisting acid-resistant container, outer layer carbon steel play a supportive role, and middle level separation layer is mainly antiseepage buffer action, with
Outer layer carbon steel is protected not corroded by internal layer.But the heat-resisting acid-resistant container of this structure, in the production process, since outer layer is carbon
Steel layer, to prevent acid solution from causing to corrode to carbon steel, it is necessary to which separation layer is set among carbon steel layer and acidproof brick.Multilayered structure is set
It sets, causes manufacturing process cumbersome and making process is slow, can largely influence the productivity effect of enterprise.In addition, bonding
Since brickwork joint is easy to cause acid solution leakage too much between the acidproof brick of formation, so as to shorten the service life of container.
Therefore, there is an urgent need for a kind of heat-resisting acid-resistant containers simple in structure, simple for production, time-consuming short and that good seepage-proof property is isolated.
Invention content
The purpose of the present invention is to provide a kind of simple in structure, simple for production, time-consuming short and isolation good seepage-proof property resistance to
Hot acid-resistant container.
To achieve the above object, the present invention provides a kind of heat-resisting acid-resistant container, and chamber wall includes outer separation layer and heat-resisting resistance to
Acid layer, the outer separation layer are made of acidproof plastics, and the heat-resisting acid-resistant layer is poured and formed by reinforcing bar and waterglass material, described
Outer separation layer inner surface closely connect or is tightly engaged into the heat-resisting acid-resistant layer, and the waterglass material includes water glass adhesive
It is one or more in mud, mortar and concrete.
Preferably, the one kind of the plastics in PVC, PE and PP.
Preferably, the outer separation layer inner surface is provided with rib, the rib is embedded in the heat-resisting acid-resistant layer.It is pouring
During forming heat-resisting acid-resistant layer, the rib of outer separation layer inner surface can be embedded in heat-resisting acid-resistant layer, can be increased in this way
The compactness for adding outer separation layer to be combined with heat-resisting acid-resistant layer.
Preferably, the rib is distributed in distance.
Preferably, the outer separation layer inner surface is surface-treated, outer separation layer inner surface and water glass are enhanced with this
The bonding force of glass material.
Preferably, the surface treatment includes physical surface treatment and/or chemical surface treatment.Physical surface treatment is as beaten
Mill processing, can enhance the crude degree of outer separation layer inner surface.At chemical surface treatment such as sulfuric acid-potassium bichromate treatment fluid
Reason makes surface introduce polar group, can form the chemical group of enhancing binding force.
Preferably, the outer separation layer inner surface is painted with epoxy resin.
Preferably, the waterglass is selected from one or both of sodium silicate, potassium water glass.
Preferably, also containing acidproof inorganic hollow microballon in the waterglass material.Add in these waterglass materials
Enter acidproof inorganic hollow microballon, i.e., the small hollow bead that inorganic acid resisting material is constituted advantageously reduces heat-resisting acidproof in this way
The thermal conductivity of layer, so as to the thickness of less heat-resisting acid-resistant layer, while reducing the weight of heat-resisting acid-resistant container, reduction is produced into
This, accelerates making process.
Preferably, the rebar surface is provided with erosion resistant coating.Erosion resistant coating is set to play antisepsis in rebar surface, is increased
The service life of long reinforcing bar.
Preferably, the erosion resistant coating includes heat resistant epoxide resin.Heat resistant epoxide resin can play anti-corrosion and heat-resisting simultaneously
Effect, plays a protective role to reinforcing bar.
Compared with prior art, in heat-resisting acid-resistant container provided by the invention, the outer separation layer that acidproof plastics are constituted can be with
Play the role of acidproof, antiseepage, reduce needs in addition on outer layer carbon steel formed impervious barrier layer the step of, simplify technique stream
Journey.The heat-resisting acid-resistant layer formed is poured by reinforcing bar and waterglass material, not only there is supporting role, it may have antiseepage, acidproof
Effect.Heat-resisting acid-resistant container provided by the invention only has double-layer structure, has largely saved production cost, reduces system
Make difficulty, is of great significance to the productivity effect of factory, simple in structure, easy to make, time-consuming short and isolation anti-seepage effect
It is good, there is very high use value.
Description of the drawings
Fig. 1 is the structural schematic diagram of heat-resisting one embodiment of acid-resistant container of the present invention；
Fig. 2 is structural schematic diagrams of the Fig. 1 about chamber wall.
Specific implementation mode
For the technical solution, construction feature, the technique effect realized that the present invention will be described in detail, below in conjunction with specific implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
As shown in Figure 1, heat-resisting acid-resistant container 100 provided by the invention, including cylinder 101 and container cover 102, cylinder 101
For the hollow structure with top end opening that chamber wall surrounds, container cover 102 is detachably connected with 101 top of cylinder and can be by cylinder
101 top end opening of body seals.As shown in Fig. 2, chamber wall includes outer separation layer 1, heat-resisting acid-resistant layer 2, outer separation layer 1 is by acidproof modeling
Material constitute, acidproof plastics can be selected PVC, PE and PP in one kind, specifically use model, can according to actual use the case where into
Row selection.The heat-resisting acid-resistant layer 2 of internal layer is poured and is formed by reinforcing bar 21 and waterglass material 22.1 inner surface of outer separation layer is provided with
Rib 11, rib 11 can enhance the bonding strength of outer separation layer 1 and heat-resisting acid-resistant layer 2.Shape, number and the arrangement side of rib 11
Formula can be designed according to actual needs, such as selection T-type rib, be distributed in distance, the direction of T shape ribs also can be according to reality
Situation is selected.In addition, outer separation layer 1 and heat-resisting acid-resistant layer 2 can also be used in addition to improving being completely embedded property by rib 11
The mode of bonding makes the outer separation layer 1 be tightly engaged into heat-resisting acid-resistant layer 2.It, can be on 1 inner surface of outer separation layer referring to Fig. 2
The bonding force of outer separation layer 1 and waterglass material 22 can be improved in brushwork epoxy resin 12, epoxy resin 12.In addition, can also pass through
1 inner surface of external separation layer carries out the mode of physical surface treatment and/or chemical surface treatment to enhance outer separation layer 1 and water glass
The bonding force of glass material 22.In container manufacturing process, first outer separation layer 1 and the making of reinforcing bar 21 are arranged, then poured again
Waterglass material 22 forms heat-resisting acid-resistant layer 2.Further, to reduce corrosion of the acid solution to reinforcing bar 21, in reinforcing bar 21
Surface is provided with erosion resistant coating, and specifically, the mode that brushwork epoxy resin can be used in erosion resistant coating is formed.It should be noted that epoxy
Resin can select heat resistant epoxide resin, not only can play antisepsis to reinforcing bar 21 in this way, but also can on further preferably
With the heat resistance of reinforcing steel bar 21, it can largely extend the service life of reinforcing bar 21.Waterglass material 22 can be containing
There are the clay, mortar, concrete etc. of waterglass, and in order to improve the heat insulation of heat-resisting acid-resistant layer 2, in these waterglass materials
Acidproof cenosphere is added in 22, to replace powder, the aggregate etc. in clay, mortar and concrete, acidproof cenosphere adds
The thermal conductivity of waterglass material 22 can be reduced by adding, and to reduce the thickness of heat-resisting acid-resistant layer 2, while also reduce the weight of container.
One or both of sodium silicate, potassium water glass can be selected in waterglass.
The heat-resisting acidproof container of the present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1
A kind of heat-resisting acidproof container, the chamber wall of container are constituted by two layers, and outer separation layer is the PP plates of 15mm thickness, heat-resisting
Acid-resistant layer is the entirety that acidproof sodium silicate clay is built up with bar pouring, thickness 200mm.At the inner surface interval of PP plates
Longitudinal T-type rib of 200mm 15mm PP board making height 30mm, width 50mm are spaced 500mm 15mm PP plank systems
Make the lateral T-type rib of height 30mm, width 50mm；All PP planks are before using the surface contacted with sodium silicate mastic
It carries out polishing and is allowed to coarse, then handled with sulfuric acid-potassium bichromate treatment fluid, surface is made to introduce polar group and polarize,
To increase the bonding force with sodium silicate mastic；Bar diameter 14mm, twice of the epoxy resin brushing in surface, according between 200mm
Away from being arranged, reinforcing bar is 120mm at a distance from the inner surface of heat-resisting acid-resistant layer, has propped up template, has been carried out with sodium silicate clay
It pours, by conserving, fully hardened and 4 times (it is small that each interval time is no less than 4 with 40% sulfuric acid brushing waterglass material surface
When) afterwards up to heat-resisting acid-resistant container.
Embodiment 2
A kind of heat-resisting acidproof container, the chamber wall of container are constituted by two layers, and outer separation layer is the PP plates of 15mm thickness, heat-resisting
Acid-resistant layer is that acidproof potassium water glass concrete and rebar pours the entirety built up, thickness 200mm；At the inner surface interval of PP plates
Longitudinal T-type rib of 200mm 15mm PP board making height 30mm, width 50mm are spaced 500mm 15mm PP plank systems
Make the lateral T-type rib of height 30mm, width 50mm；All PP planks carry out the surface contacted with waterglass using preceding
Polishing is allowed to coarse, is then handled with sulfuric acid-potassium bichromate treatment fluid, and surface is made to introduce polar group and polarize, and
Surface applies brush one times epoxy resin again, to increase the bonding force with waterglass material；Bar diameter 14mm, surface is with heat-resisting double
Twice of phenol S epoxy resin brushing, is arranged according to the spacing of 200mm, and reinforcing bar is at a distance from the inner surface of heat-resisting acid-resistant layer
120mm has propped up template, is poured with potassium water glass concrete, by conserving fully hardened and applying swabbing glass with 40% sulfuric acid
Glass material surface 4 times (each interval time is no less than 4 hours) is afterwards up to the container.
Embodiment 3
A kind of heat-resisting acidproof container, the chamber wall of container are constituted by two layers, and outer separation layer is the PVC board of 15mm thickness, resistance to
Hot acid-resistant layer is the entirety that acidproof potassium water glass mortar concrete is built up with bar pouring, thickness 200mm；In the interior table of PVC board
Face interval 200mm makes longitudinal T-type rib of height 30mm, width 50mm, interval 500mm 15mm of 15mm PVC boards
PVC board makes the lateral T-type rib of height 30mm, width 50mm；All PVC boards are contacted using preceding handle with waterglass
Surface carry out polishing be allowed to coarse, then handled with sulfuric acid-potassium bichromate treatment fluid, make surface introduce polar group and
Polarization, and surface applies brush one times epoxy resin again, to increase the bonding force with waterglass material；Bar diameter 16mm, surface
It with twice of epoxy resin brushing, is arranged according to the spacing of 200mm, reinforcing bar is at a distance from the inner surface of heat-resisting acid-resistant layer
120mm has propped up template, with potassium water glass mortar (powder SiO therein2-Al2O3Cenosphere is replaced) it is poured, pass through
Conserve it is fully hardened and with 40% sulfuric acid brushing waterglass material surface 4 times (each interval time is no less than 4 hours) afterwards to obtain the final product
The container.
In the heat-resisting acid-resistant container 100 provided according to Examples 1 to 3, the outer separation layer 1 that plastics are constituted can play anti-
The effect of oozing, reduce needs in addition on outer layer carbon steel formed impervious barrier layer the step of, simplify technological process.By reinforcing bar 21
The heat-resisting acid-resistant layer 2 to be formed is poured with waterglass material 22, not only there is supporting role, it may have antiseepage, acidproof effect.This
Outside, the heat-resisting acid-resistant layer 2 provided, globality is more preferable, structural stronger, and pours the heat-resisting acid-resistant layer 2 to be formed since centre does not have
There are the gap between the acidproof brick of bonding formation, anti-seepage effect more preferable.Furthermore the heat-resisting acid-resistant container 100 provided only has two layers
Structure has largely saved production cost, reduces manufacture difficulty, is of great significance to the productivity effect of factory,
Its simple in structure, easy to make, time-consuming short and isolation good seepage-proof property, has very high use value.
Above disclosed is only the preferred embodiments of the present invention, and the interest field of the present invention cannot be limited with this,
Therefore equivalent changes made in accordance with the claims of the present invention belong to the range that the present invention is covered.
Claims (10)
1. a kind of heat-resisting acid-resistant container, which is characterized in that chamber wall includes outer separation layer and heat-resisting acid-resistant layer, the outer separation layer
Be made of acidproof plastics, the heat-resisting acid-resistant layer is poured and is formed by reinforcing bar and waterglass material, the outer separation layer inner surface with
The heat-resisting acid-resistant layer is closely connected or is tightly engaged into, and the waterglass material includes in sodium silicate mastic, mortar and concrete
It is one or more.
2. heat-resisting acid-resistant container as described in claim 1, which is characterized in that the acidproof plastics are in PVC, PE and PP
It is a kind of.
3. heat-resisting acid-resistant container as described in claim 1, which is characterized in that the outer separation layer inner surface is provided with rib,
The rib is embedded in the heat-resisting acid-resistant layer.
4. heat-resisting acid-resistant container as described in claim 1, which is characterized in that carry out the outer separation layer inner surface at surface
Reason.
5. heat-resisting acid-resistant container as claimed in claim 4, which is characterized in that the surface treatment includes physical surface treatment
And/or chemical surface treatment.
6. heat-resisting acid-resistant container as described in claim 1, which is characterized in that the outer separation layer inner surface is painted with asphalt mixtures modified by epoxy resin
Fat.
7. heat-resisting acid-resistant container as described in claim 1, which is characterized in that the waterglass is selected from sodium silicate and potassium water glass
One or both of glass.
8. heat-resisting acid-resistant container as described in claim 1, which is characterized in that also contain acidproof nothing in the waterglass material
Machine cenosphere.
9. heat-resisting acid-resistant container as described in claim 1, which is characterized in that the rebar surface is provided with erosion resistant coating.
10. heat-resisting acid-resistant container as claimed in claim 9, which is characterized in that the erosion resistant coating includes heat resistant epoxide resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366389.XA CN108724874A (en) | 2018-04-23 | 2018-04-23 | Heat-resisting acid-resistant container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366389.XA CN108724874A (en) | 2018-04-23 | 2018-04-23 | Heat-resisting acid-resistant container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108724874A true CN108724874A (en) | 2018-11-02 |
Family
ID=63939714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366389.XA Pending CN108724874A (en) | 2018-04-23 | 2018-04-23 | Heat-resisting acid-resistant container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108724874A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428867Y (en) * | 2009-07-03 | 2010-03-24 | 天津市泽宝水泥制品有限公司 | Reinforced concrete water drainage pipe with PVC anti-corrosion lining |
| CN103321304B (en) * | 2013-06-27 | 2016-04-27 | 沈阳铝镁设计研究院有限公司 | A kind of anti-acid-base solution deep-etching pond groove interior wall construction |
| CN105665260A (en) * | 2016-01-20 | 2016-06-15 | 广西丛欣实业有限公司 | Anti-corrosion treatment method for steel bars |
| CN206556040U (en) * | 2017-01-13 | 2017-10-13 | 南京大自然环境科技有限公司 | Corrosion protective lining and chimney |
| CN206861072U (en) * | 2017-06-22 | 2018-01-09 | 三河京龙新型管道有限责任公司 | A kind of miniature compound jacking construction reinforced concrete sewer pipe of inside lining anti-corrosive |
| CN107575080A (en) * | 2017-09-07 | 2018-01-12 | 中国能源建设集团山西省电力勘测设计院有限公司 | Impervious anti-corrosion type single-cylinder type reinforced concrete chimney and its construction method |
-
2018
- 2018-04-23 CN CN201810366389.XA patent/CN108724874A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428867Y (en) * | 2009-07-03 | 2010-03-24 | 天津市泽宝水泥制品有限公司 | Reinforced concrete water drainage pipe with PVC anti-corrosion lining |
| CN103321304B (en) * | 2013-06-27 | 2016-04-27 | 沈阳铝镁设计研究院有限公司 | A kind of anti-acid-base solution deep-etching pond groove interior wall construction |
| CN105665260A (en) * | 2016-01-20 | 2016-06-15 | 广西丛欣实业有限公司 | Anti-corrosion treatment method for steel bars |
| CN206556040U (en) * | 2017-01-13 | 2017-10-13 | 南京大自然环境科技有限公司 | Corrosion protective lining and chimney |
| CN206861072U (en) * | 2017-06-22 | 2018-01-09 | 三河京龙新型管道有限责任公司 | A kind of miniature compound jacking construction reinforced concrete sewer pipe of inside lining anti-corrosive |
| CN107575080A (en) * | 2017-09-07 | 2018-01-12 | 中国能源建设集团山西省电力勘测设计院有限公司 | Impervious anti-corrosion type single-cylinder type reinforced concrete chimney and its construction method |
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Application publication date: 20181102 |
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