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Stainless steel arched cover

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1. Overview

1.1 Product Positioning

This product is a stainless steel arched cover plate, as a supporting product for environmental protection projects, mainly used for sealing and covering sewage stations.

1.2 Target customer applications

This product is mainly aimed at the sealing of the tanks in the odorous volatilization area of ​​sewage treatment stations in petrochemical, coking, coal chemical, municipal and other sewage treatment stations.

1.3 Product advantages

Lightweight: The product is formed by pressing stainless steel sheets, which can reduce the weight of the product while meeting the required load, thereby reducing the load on the pool body;

Aesthetic: The product is made of stainless steel wire drawing or 2B board, the overall vision is neat and beautiful;

High strength: For small-span pools (<8m), this product uses stainless steel sheet to press and corrugate. A single cover can carry a concentrated load >200kg and snow load >800N/㎡(40cm); for a large-span pool (> 8m), the cover plate + steel frame combined structure can carry a concentrated load >300kg and snow load >1200N/㎡(60cm);

Corrosion resistance: The product is made of 304 stainless steel, which has good corrosion resistance to hydrogen sulfide, ammonia, VOCs, etc.;

High residual value: The main material of this product is stainless steel 304, which has a high recyclable value;

Timeliness of supply: This product is produced on a fully automatic production line, which is equipped with automatic flattening equipment, pre-opening equipment, corrugated pressing equipment and roll forming equipment, etc., which can produce about 1,000 square meters of cover plate at one time. Can achieve 24 hours uninterrupted production.

2. Introduction

2.1 Product configuration

 

Number name Parameters and introduction

备注

1

Arched cover

W=1310/1030mm,L<15m

 

2

Fixed angle iron

δ=2.5mm,L=1310/1030mmUsed to fix the cover on the pool paper

 

3

sealing strip

30*3.0mmInstalled between the cover plate and the cover plate to ensure the tightness of the cover plate

 

4

fastener Including: expansion bolts, hexagonal bolts, self-tapping screws, rivets, etc.

 

5

Inner frame Used to seal the tank body that needs to be heightened or with a larger span

 

6

Sliding window Used for pools that require high lighting, ventilation, etc.

 

7

Manhole Used in special areas, such as special areas for frequent operation, maintenance and inspection According to the actual situation

8

track For removable covers

 

2.2 Product features

a. For the cover of the grease trap, adjustment tank, primary sedimentation tank, etc., the cover plate can be installed on the cement tank body; the cover plate and the cover plate are connected by stainless steel bolts to form a whole, and the middle is filled The rubber sealing strip is used to reduce the amount of air leakage from the cap. Both ends of the cover plate are fixed on the pool body with expansion screws, and the cover plate is installed with bolts and is easy to disassemble. Then open observation holes or overhaul holes according to the site conditions.

b. For aerobic pools, anoxic pools and other pools, considering the high temperature rise in summer, which may affect the activity of the bacteria in the pool, it is generally adopted to increase the height of the cover by 1.1m, and then increase it on the basis of 1.1m. Make an arched cover. For heightened walls, profiles are generally used as skeletons, and wall panels are laid on the outside. Then install plastic-steel sliding windows on the heightened wall. Generally, one is 4m, and the area of a single sliding window is not less than 0.8 square meters.

c. After the pool body is covered and sealed, the volatilized water vapor and acid gas in the pool will condense into water droplets when encountering the colder stainless steel cover. If no measures are taken, the condensed water will flow along the cover or wall panel to the cement walkway at the top of the pool. One is that the acidic condensate will be corrosive to the cement walkway, and the other is that the condensed water will cause winter walkways. Freezing, the third is that the freezing of condensed water will cause the walkway to crack. For the condensed water, our company adopts an additional condensate deflector between the cover, wall and the pool body to divert the condensate flowing from the cover or wall panel to the original pool, so as to avoid the occurrence of the above.

d. For aerobic pools and other pools that require regular desilting or regular maintenance of aeration pipelines, generally part of the removable stainless steel cover is used, and the movable area is generally not less than 30%. The opening mode is generally manual or automatic (electric). For the automatic movable cover, it is generally equipped with: synchronous motor, reducer, deflection limiter, travel switch, etc.

 

  2.3 Product specifications

Number Specification code

Width
mm

Wall thickness
mm

Span
mm

Arching radius
mm

Arch height
mm

Maximum uniform load
N/㎡

1

G0408A-4

1030

0.8

4000

6300

325

1980

G0408B-4

1310

0.8

4000

6300

325

1820

2

G0608A-4

1030

0.8

6000

9450

488

1720

G0608B-4

1310

0.8

6000

9450

488

1580

3

G0810A-4

1030

1.0

8000

12600

651

1540

G0810B-4

1310

1.0

8000

12600

651

1350

4

G1010A-4

1030

1.0

10000

15760

815

1230

G1010B-4

1310

1.0

10000

15760

815

1120

5

G1210A-4

1030

1.0

12000

18910

977

1040

G1212A-4

1030

1.2

12000

18910

977.5

1210

G1210B-4

1310

1.0

12000

18910

977

890

G1212B-4

1310

1.2

12000

18910

977.5

1010

 

Note: The above maximum uniform load is the data under the condition of no inner frame support.

Three, characteristics

The stainless steel arched cover has the characteristics of light weight, high strength, beautiful appearance, convenient and quick construction, fireproof, rainproof, long life, maintenance-free, etc., so it can better meet the requirements of various areas for sealing.

3.1 Features:

Appearance quality: smooth surface, uniform color;

Combustion performance: Otherwise;

Temperature resistance: generally not affected by ambient temperature (-196~600℃);

Service life: >20 years;

Recycling value: has a high recycling value;

Later operation and maintenance: no need for regular maintenance, strong replaceability.

3.2 Parameters:

brand: Jiangsu Tongrun;

production process: cold rolling;

Processing form: customized;

thickness: 0.8~1.2mm;

Width: 1030/1310mm;

Span: 3000~15000mm;

Uniform distribution load: <2000 N/㎡;

Material: S30408 (06Cr19Ni10);

Installation form: bolt;

Site installation: Yes.

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Office address: No. 58, Chongchuan Road, Chongchuan District, Nantong City, Jiangsu Province
Production address: Group 4 of Xindian Neighborhood Committee, Rudong County, Nantong City, Jiangsu Province

Tel / fax:+86-513 - 81901918

E-mail: gwj@js-runhong.com

TONGRUN

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