CN107489259A - Exhaust duct of liner thin metallic tubd and preparation method thereof - Google Patents
Exhaust duct of liner thin metallic tubd and preparation method thereof Download PDFInfo
- Publication number
- CN107489259A CN107489259A CN201710743950.7A CN201710743950A CN107489259A CN 107489259 A CN107489259 A CN 107489259A CN 201710743950 A CN201710743950 A CN 201710743950A CN 107489259 A CN107489259 A CN 107489259A
- Authority
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- China
- Prior art keywords
- exhaust duct
- thin
- quartz sand
- cement mortar
- liner
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- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
- E04F17/023—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof made of masonry, concrete or other stone-like material; Insulating measures and joints therefor
Abstract
The present invention relates to the exhaust duct of liner thin metallic tubd and its manufacture method, suitable for pipeline manufacturing industry, the exhaust duct that it discloses liner thin-wall stainless steel is a kind of by liner thin-walled stainless steel tube and the outside exhaust duct product being combined for cement mortar civil engineering air channel, it is using cement mortar civil engineering air channel as inner liner layer, using thin-walled stainless steel tube as inner liner, existing cement mortar civil engineering air channel is cheap, fire protecting performance is good, appearance is easily decorated, the advantages of resistance to compression and high anti-soft impulse intensity, there is stainless steel pipes surface smooth again, it is not easy to adhere to greasy dirt, windage is small, corrosion resistant feature.Compared with traditional civil engineering air channel, bottom windage more than 45% can drop in the product, improve exhaust air rate more than 33%, have obvious environmental protection and power savings advantages.It can be widely applied to house kitchen, toilet smoke evacuation (gas) system, business food and drink kitchen lampblack discharge system, industrial and mining enterprises' air-tightness and fire protecting performance and require higher exhaust emission system.
Description
Technical field
The present invention relates to the exhaust duct for excluding kitchen fume, toilet waste gas, it is suitable to exhaust duct manufacturing enterprise.
Background technology
At present, house kitchen, toilet exhaust passage are all to use the prefabricated profiled civil engineering air channel of cement mortar.This civil engineering
Air channel has that cheap, fire protecting performance is good, resistance to compression and anti-soft impulse intensity are high, outer surface can uniformly be entered with indoor wall
The processing of row facing (such as：Plaster, swabbing, paste ceramic tile etc.) the advantages that, obtained in recent years in national city-building wide
Apply generally.But there is following defect in this civil engineering air channel：
1st, inner wall coarse, greasy dirt is easily adhered, greasy dirt is difficult to clean off, and serious disaster hidden-trouble be present.
2nd, inner wall coarse, gas-flow resistance is caused to increase, power consumption is high, does not save.
3rd, inwall is rough, in order to ensure the effect of exhaust ventilation, certainly will increase the cross-sectional area in civil engineering air channel, waste treasured
Expensive space.
4th, in kitchen fume gas and fuel combustion waste gas, acid gas component sulfur dioxide (SO is contained2), nitrogen dioxide
(NO2) etc., also containing substantial amounts of vapor, with vapor chemical reaction, which occurs, for sour gas can generate sulfuric acid (H2SO4) and nitric acid
(HNO3), so as to produce acid erosion to civil engineering air channel, influence its service life.
The content of the invention：
It is an object of the invention to provide a kind of exhaust duct and its manufacture method of liner thin metallic tubd, it is thin by liner
The exhaust duct that wall metallic pipe road and outside cement mortar structure sheaf are combined, price it is honest and clean it is low, fire protecting performance is good, appearance easily fills
Decorations, resistance to compression and anti-flexibility impact strength are high, metallic interior surface is smooth, it is small, corrosion-resistant to be not easy adhesion greasy dirt, windage.
The technical solution of the present invention：
It is the exhaust duct of liner thin metallic tubd, particularly has a thin wall metal pipeline, in the lateral surface of the pipeline
Rake tooth-shaped or mushroom-shaped metal connecting elements no less than 1 is set, while coated on all vacant faces of pipeline lateral surface
One layer of adhesive, in the surface adhesion quartz sand intermediary layer of the adhesive layer, water is laid in quartz sand intermediary layer surface
Cement mortar structure sheaf, rake tooth-shaped or the mushroom-shaped metal connecting piece and quartz sand intermediary layer are embedded in cement mortar structure sheaf
Inside, the alkaline-resisting grid cloth enhancement layer of glass fibre is being set close to cement mortar structure sheaf outer surface.
Thin wall metal pipeline described above is thin-walled stainless steel tube, or thin-wall aluminum alloy pipeline.
The cross section of rake tooth-shaped of the present invention either mushroom-shaped metal connecting elements is " Y " font or " T " word
Type, its lower end are welded or are adhesively fixed with thin wall metal pipeline, in upper end embedment cement mortar structure sheaf.
Described adhesive can be the metal glue such as epoxy resin A, B glue, phenolic resin glue, unsaturated polyester resin glue
In one or more kinds of glue mixture.
Described quartz sand is the quartz sand that particle diameter is 0.2mm to 4mm.
The alkaline-resisting lattice cloth of glass fibre is to include more than 16% zirconium oxide alkali-resistant glass fibre screen cloth, and its performance should meet
People's Republic of China's building material industry standard《Alkali-resistant glass fibre screen cloth》JC/841, mass area ratio 180g/m2, or
Based on middle alkali or alkali-free glass fibre fabric, the alkaline-resisting net of glass fibre that is formed through macromolecule alkali-resistant emulsion coating processing
Cloth, mass area ratio >=120g/m2。
The present invention preparation method be：
The first step：According to design requirement, plank, metal or fiberglass is used to make the internal model of exhaust duct for raw material.
Second step：Using plate shearing machine, shear the sheet metal of suitable length (thickness is 0.2mm to 0.5mm)；Utilize bending
Machine or furling plate round machine, manufactured size meet the rectangle or Circular Thin pipeline of design requirement.
3rd step：Thin wall metal pipeline is assembled in the internal model of exhaust duct.
4th step：Processing either outsourcing rake tooth type or mushroom-shaped metal connecting elements, and take spot welding or bonding
Mode, these connecting elements are uniformly fixed in the outer face surface of thin wall metal pipeline.
5th step：One layer of adhesive is brushed in the outer surface of thin-walled stainless steel tube, then by the quartz sand of appropriate granularity
Equably spray on the surface of adhesive layer, and suitably pressurizeed in quartz sand surface, one end of quartz sand is pressed into adhesive layer
It is internal.After adhesive layer is fully cured, one end of quartzy sandstone is bonded on the outer surface of thin metallic tubd securely.
6th step：Using it is existing it is ripe smear molded technology, in the outer surface of quartz sand intermediary layer, smear pressure cement mortar
With the laying alkaline-resisting grid cloth of glass fibre, cement mortar structure sheaf is made, makes the other end and rake tooth type or the mushroom of quartz sand
In shape metal connecting elements embedment cement mortar structure sheaf.
7th step：After treating the solidification completely of cement mortar structure sheaf, the mould of exhaust duct is removed, obtains liner thin-walled
The exhaust duct semi-finished product of metal tube.
8th step：Semi-finished product are sent to the wet curing of continuous 15 days of progress of fog room, after maintenance expires, certified products put in storage
Deposit or transport to construction site use.
The superior part of the present invention is that the exhaust duct of liner thin metallic tubd is a kind of by liner thin wall metal pipeline and outer
Portion is the exhaust duct product that is combined of cement mortar civil engineering air channel, it using cement mortar civil engineering air channel as inner liner layer, with
Thin wall metal pipeline is inner liner, and existing cement mortar civil engineering air channel is cheap, fire protecting performance is good, appearance is easily decorated, is resisted
The advantages of pressure and anti-soft impulse intensity are high, there is that metallic conduit surface is smooth, it is small, corrosion-resistant to be not easy to adhere to greasy dirt, windage again
The characteristics of.The defects of having the two-fold advantage of metallic conduit and civil engineering air channel concurrently, while overcoming the two again.
Brief description of the drawings：
Fig. 1, cross-section structure schematic diagram of the present invention
Fig. 2, partial enlargement organigram of the present invention
Specific embodiment：
According to Fig. 1, Fig. 2, shown, the pipeline 1 of the invention for having a liner thin-wall stainless steel, in the thin-wall stainless steel
The lateral surface in road 1 sets the rake tooth-shaped or mushroom-shaped metal connecting elements 2 no less than 1, while owns in pipeline lateral surface
Adhesive layer 3 is coated on vacant face, quartz sand intermediary layer 4 is sprayed on the adhesive layer 3, on the upper berth of quartz sand intermediary layer 4
If cement mortar structure sheaf 5, the alkaline-resisting lattice cloth enhancement layer 6 of glass fibre, stone are being set close to cement mortar structure sheaf outer surface
Sand intermediary layer 4 and rake tooth-shaped or mushroom-shaped metal connecting elements 2 are embedded in cement mortar structure sheaf 5.Rake tooth-shaped or
The cross section of mushroom-shaped metal connecting elements 2 is " Y " font or " T " font, in the pin of " Y " font or " T " font
Heel sets the area increased with contacting stainless steel tube 1, and the contact surface of the increase is flat board.The alkaline-resisting grid cloth of glass fibre is
More than 16% zirconium oxide alkali-resistant glass fibre screen cloth is included, its performance should meet People's Republic of China's building material industry standard《It is resistance to
Alkali containing glass fibre screen cloth》JC/841, mass area ratio 180g/m2；Can also be knitted with middle alkali or alkali-free glass fibre
Based on thing, the glass fibre Alkali-resisting fiberglass mesh that is formed through macromolecule alkali-resistant emulsion coating processing, mass area ratio >=120g/
m2。
The preparation method of the present invention：
The first step：According to design requirement, plank, metal or fiberglass is used to make the internal model of exhaust duct for raw material
(being not drawn into figure)；
Second step：Using plate shearing machine, shear the stainless sheet steel of suitable length (thickness is 0.2mm to 0.5mm)；Utilize folding
Bender or furling plate round machine, manufactured size meet the rectangle or Circular Thin stainless steel pipes 1 of design requirement.
3rd step：Thin-walled stainless steel tube 1 is assembled in the internal model of exhaust duct.
4th step：Process either outsourcing rake tooth type or mushroom-shaped stainless steel connecting elements 2, and take spot welding or bonding
Mode, these connecting elements are uniformly fixed in the outer face surface of thin-walled stainless steel tube 1.
5th step：In the outer surface brushing adhesive layer 3 of thin-walled stainless steel tube 1, then by the quartz sand of appropriate granularity
Intermediary layer 4 is equably sprayed on the surface of adhesive layer 3, and is suitably pressurizeed on the surface of quartz sand intermediary layer 4, by the one of quartz sand
Side pressure enters the inside of adhesive layer 3.After adhesive layer 3 is fully cured, it is stainless that one end of quartz sand is bonded in thin-walled securely
On the outer surface of steel pipe 1.
6th step：Using it is existing it is ripe smear molded technology, in the outer surface of quartz sand intermediary layer 4, smear pressure cement bonded sand
Structure sheaf 5 and the laying alkaline-resisting grid cloth enhancement layer 6 of glass fibre are starched, makes quartz sand intermediary layer 4 and rake tooth type or mushroom-shaped gold
Belong to connecting elements 2 to be embedded in cement mortar structure sheaf 5.
7th step：After treating the solidification completely of cement mortar structure sheaf 5, the mould for removing exhaust duct (is not drawn in figure
Go out), obtain the exhaust duct semi-finished product of liner thin-wall stainless steel.
8th step：Semi-finished product are sent to the wet curing of continuous 15 days of progress of fog room, after maintenance expires, certified products put in storage
Deposit or transport to construction site use.
In order to reduce cost, this invention takes following technical measures：
1st, be only using thickness 0.2mm to 0.5mm thin-walled stainless steel tube as liner, using cheap cement
Pulp piping not only ensure that the intensity of pipeline, and greatly reduce stainless steel material cost as structure sheaf；
2nd, because the outside cement mortar pipeline using global formation is as structure sheaf, the thin-walled stainless steel tube of liner is only
Bending forming is needed, without welding, saves the stainless steel welded artificial and solder cost of preciousness；
In order to solve the stripping between thin-walled stainless steel tube and cement mortar pipeline, lamination problem, this invention takes
Following technical measures：
(1) by the way of spot welding or bonding, some rake teeths are equably fixed in the outer surface of thin-walled stainless steel tube
Shape component or mushroom, make the inside of these components embedment cement mortar structure sheaf, so as to by cement mortar civil engineering pipe
Road is firmly attached with thin-walled stainless steel tube and is fixed together.
(2) in the outer surface brushing adhesive layer of thin-walled stainless steel tube, quartz sand intermediary layer is then equably sprayed, and
In quartz sand intermediary layer surface slightly pressure, inside one end press-in adhesive layer of quartz sand, treat that adhesive layer is fully cured
Afterwards, one end of quartz sand is bonded in the surface of inner liner stainless steel pipe securely.
Then, smear pressure cement mortar in the outside of thin-walled stainless steel tube, make quartz sand intermediary layer and rake tooth-shaped component or
Person's mushroom is embedded to the inside of cement mortar structure sheaf, after treating that cement mortar structure sheaf is fully hardened, by quartz sand
The middle connection function of intermediary layer, rake tooth-shaped component or mushroom, by the thin-walled stainless steel tube and cement bonded sand of liner
Puddled soil is built pipeline and is securely attached together.
The present invention designs atlas according to national building standard《Ventilation shaft on-way resistance calculates and selects table》In 08K508-1
Data：
1st, in identical cross dimensions (400 × 400), identical wind speed (15m/s) and identical air quantity (8640m3/h)
In the case of：
The windage of civil engineering air channel (cement mortar inwall) unit length is 11.724Pa/m.
The windage of exhaust duct (steel plate inwall) unit length of liner thin-wall stainless steel is 6.38Pa/m.
It can calculate：The exhaust duct of liner thin-wall stainless steel than traditional civil engineering air channel windage reduce 45% with
On, this means that the exhaust duct product using the present invention, can significantly reduce the power consumption and noise of smoke exhaust fan, fully
Embody its environmental protection and the superiority of energy-conservation.
2nd, in the case of identical cross dimensions (400 × 400), identical unit length windage (11Pa/m)：
The wind speed in civil engineering air channel (cement mortar inwall) is 15m/s, air quantity 8640m3/h。
The wind speed of the exhaust duct (steel plate inwall) of liner thin-wall stainless steel is 20m/s, air quantity 11520m3/h。
It can calculate：The exhaust duct of liner thin-wall stainless steel than the air quantity in traditional civil engineering air channel improve 33% with
On, this means that the exhaust duct product using the present invention, can significantly improve the efficiency of ventilation, improves Interior Space makings
Amount.
Claims (7)
1. the exhaust duct of liner thin metallic tubd, a thin wall metal pipeline is characterized in, has been set in the lateral surface of the pipeline
The rake tooth-shaped or mushroom-shaped metal connecting elements no less than 1 are put, while one is coated on all vacant faces of pipeline lateral surface
Layer adhesive, in the surface adhesion quartz sand intermediary layer of the adhesive layer, cement is laid in quartz sand intermediary layer surface
Mortar structure layer, rake tooth-shaped or the mushroom-shaped metal connecting piece and quartz sand intermediary layer are embedded in cement mortar structure sheaf
Portion, the alkaline-resisting grid cloth enhancement layer of glass fibre is being set close to cement mortar structure sheaf outer surface.
2. the exhaust duct of liner thin metallic tubd according to claim 1, it is thin-walled to be characterized in the thin wall metal pipeline
Stainless steel pipes, or thin-wall aluminum alloy pipeline.
3. the exhaust duct of liner thin metallic tubd according to claim 1, it is characterized in that the rake tooth-shaped or mushroom-shaped gold
The cross section of category connecting elements is " Y " font or " T " font, and its lower end is welded or bonded with thin wall metal pipeline,
In upper end embedment cement mortar structure sheaf.
4. the exhaust duct of liner thin metallic tubd according to claim 1, it is characterized in that described adhesive can be epoxy
Resin A, B glue, phenolic resin glue, unsaturated polyester resin glue metal glue in one or more kinds of glue mixture.
5. the exhaust duct of liner thin metallic tubd according to claim 1, it is characterized in that described quartz sand intermediary layer refers to
Particle diameter is 0.2mm to 4mm quartz sand.
6. the exhaust duct of liner thin metallic tubd according to claim 1, it is characterized in that the alkaline-resisting grid cloth of the glass fibre
It is to include more than 16% zirconium oxide alkali-resistant glass fibre screen cloth, its performance should meet People's Republic of China's building material industry standard
《Alkali-resistant glass fibre screen cloth》JC/841, mass area ratio 180g/m2Or with middle alkali or alkali-free glass fibre
Based on fabric, the glass fibre Alkali-resisting fiberglass mesh that is formed through macromolecule alkali-resistant emulsion coating processing, mass area ratio >=120g/
m2。
7. the exhaust duct manufacture method of liner thin metallic tubd, it is characterized in that：
The first step：According to design requirement, plank, metal or fiberglass is used to make the internal model of exhaust duct for raw material；
Second step：Using plate shearing machine, the thickness for shearing suitable length is 0.2mm to 0.5mm sheet metal；Using bender or
Person's furling plate round machine, manufactured size meet the rectangle or Circular Thin metallic conduit of design requirement；
3rd step：Thin wall metal pipeline is assembled in the internal model of exhaust duct；
4th step：Either outsourcing rake tooth type or mushroom-shaped metal connecting elements, and take the mode of spot welding or bonding are processed,
These connecting elements are uniformly fixed in the outer face surface of thin wall metal pipeline；
5th step：One layer of adhesive is brushed in the outer surface of thin wall metal pipeline, then by the quartz sand of appropriate granularity equably
Spraying is suitably pressurizeed on the surface of adhesive layer, and in quartz sand surface, by one end press-in adhesive layer of quartz sand, treats glue
After adhensive layer is fully cured, one end of quartz sand is bonded on the outer surface of thin metallic tubd securely.
6th step：Using it is existing it is ripe smear molded technology, in the outer surface of the thin metallic tubd of secure bond quartz sand, smear
Cement mortar and the laying alkaline-resisting grid cloth of glass fibre are pressed, makes cement mortar structure sheaf, makes the other end and rake teeth of quartz sand
In type or mushroom-shaped metal connecting elements embedment structure sheaf.
7th step：After treating the solidification completely of cement mortar structure sheaf, the mould of exhaust duct is removed, obtains liner thin-wall metal
The exhaust duct semi-finished product of pipe.
8th step：Semi-finished product are sent to fog room and carry out the wet curing of continuous 15 days, after maintenance expires, certified products are put in storage storage
Or transport construction site use to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743950.7A CN107489259A (en) | 2017-08-25 | 2017-08-25 | Exhaust duct of liner thin metallic tubd and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743950.7A CN107489259A (en) | 2017-08-25 | 2017-08-25 | Exhaust duct of liner thin metallic tubd and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107489259A true CN107489259A (en) | 2017-12-19 |
Family
ID=60650991
Family Applications (1)
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|---|---|---|---|
| CN201710743950.7A Pending CN107489259A (en) | 2017-08-25 | 2017-08-25 | Exhaust duct of liner thin metallic tubd and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487583A (en) * | 2018-03-26 | 2018-09-04 | 杭州小米环境科技有限公司 | A kind of installation method for the house exhaust passage that is made by metal material |
| CN111576790A (en) * | 2019-11-29 | 2020-08-25 | 杭州润泉环境科技有限公司 | Novel compound oil extraction cigarette air flue of house |
| CN112746721A (en) * | 2020-08-03 | 2021-05-04 | 杭州润泉环境科技有限公司 | Residential composite exhaust duct and installation method thereof |
| CN113202231A (en) * | 2021-04-29 | 2021-08-03 | 西京学院 | Concrete-filled steel tubular column capable of being used for smoke exhaust |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487583A (en) * | 2018-03-26 | 2018-09-04 | 杭州小米环境科技有限公司 | A kind of installation method for the house exhaust passage that is made by metal material |
| CN111576790A (en) * | 2019-11-29 | 2020-08-25 | 杭州润泉环境科技有限公司 | Novel compound oil extraction cigarette air flue of house |
| CN112746721A (en) * | 2020-08-03 | 2021-05-04 | 杭州润泉环境科技有限公司 | Residential composite exhaust duct and installation method thereof |
| CN113202231A (en) * | 2021-04-29 | 2021-08-03 | 西京学院 | Concrete-filled steel tubular column capable of being used for smoke exhaust |
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