Tianjiayu Power Plant overcomes the high copper content of the cold water in the generator

Datang Huainan Tianjiayu Power Plant and Shanghai Electric Power College have cooperated to adopt the new technology of â€œinternal cold water quality control of dual-water internal cooling generatorsâ€, and successfully reconstructed the cold water system in Unit 3, completely eliminating the copper content in the cold water of the generator. High, threatening the potential accidents of the safe operation of the unit. Since it was put into operation on January 18th, the system has been safe and stable. Not only has the quality of the internal cold water reached the standard, but also achieved zero water replenishment, saving 500,000 yuan per year.
The low temperature of the generator cooling water and the copper content will cause corrosion of the hollow core copper wire, the wire is blocked, and the temperature of the generator coil rises, causing a major accident of burning the generator. Therefore, the copper content of the generator cooling water must be reduced during operation. In the past, the No. 3 unit of Tianjiayu Power Plant adopted the water replacement method for the water-cooled box, and the water replenishment rate was high. If the monitoring was improper, the generator cooling water would be interrupted. In order to overcome this difficulty, the plant and the Shanghai Electric Power College jointly researched and developed a equipment transformation plan, and invested 250,000 yuan to implement a major renovation project of the internal cold water system. According to the working principle of the internal cold water quality control system of the dual-water internal cooling generator, on the one hand, the high-value condensate of the power plant is used to neutralize the CO2 in the cooling water to increase the pH value and suppress the corrosion of the hollow core copper wire. In terms of the use of four copper removal columns to remove residual copper ions in the water, so that the quality of the internal cold water meets the eligibility criteria. At the same time, the excess water is recycled after being treated and up to standard. The system has high reliability, stable operation, no manual operation, no need to add any chemicals, and saves production costs.

The Webbing Sling include EB type, EB-A type, EB-B type.

The unique characteristic of Webbing sling :

1. Divided into single layer and multi-layer, sewing method is different.

2. The specification can be adjusted according to the customer`s needs.

3.Loading surface is wide ,to reduce the weight at each loading point .

4.No damages to tender objects .

5.Various loading method.

6.High strength/weight ratio.

7.Anti-abrasion and anti-incision protection sleeve can be attached.

8.Has special label ,working load is differentiated by colors according to international standard . Easy to identify even if the sling has been abrased .

9.Light and soft ,can be used in small narrow space .

10. After PU processing , anti-incision is enhanced.

11.Non-conductive ,no danger of electric stroke .

Chin Trade Standard JB/T8521-1997.

13.The elongation of sling <= 7% .

14.The working temperature range:-40â„ƒ - 100â„ƒ .

Description:

The load scope of webbing sling is 0-30 tons and its length is 1-100m.

Webbing sling is made of 100% PES through weaving and suturing which adopts reinforced ring and metallic fittings on its both ends to enhance its strength.

Adopting different suturing methods, webbing sling is woven by loom. It is divided into single layer and double layer.

Besides color ,webbing sling`s standard tonnage can also be distinguished according to its width .With broad and smooth loading surface ,it is suitable for lifting soft surface object .It can hardly damage the paint surface of lifted metal object .

Webbing sling has excellent protection. In general use ,our webbing sling has long lifespan due to its superiority. But while lifting ,it must be equipped with protecting jacket to avoid damage by sharp weapon or lifted object .

Flat Webbing Sling Features:

1. Easy to use, efficient in operation, gentle on surface contact.

2. Come with a label giving length and tonnage.

3. Inner core is made from high tensile polyester fiber

4. The core is protected by a tough woven tubular sleeve also made from polyester without side stitch.

5. The safe working load is clearly and continuous printed on the sleeve.

6. Low elongation, extremely wear-resistant.

4. The core is protected by a tough woven tubular sleeve also made from polyester without side stitch.

5. The safe working load is clearly and continuous printed on the sleeve.

Parameters of EB webbing sling
Max.SWL=Mode Coeffcient PÃ—Working Load Limit Max.SWL of lifting method
Code	Color	Single Max .Working Load Limit						t-Legs Max.Working Load Limit				Approx Width (mm)	Min length (m)	Max Length (m)
		Upright	Choked	Î²				Upright 45Â°	Choked 45Â°	Upright 45Â°-60Â°	Choked 45Â°-60Â°
				0Â°-7Â°	7Â°-45Â°	45Â°-60Â°	45Â°

		1.0	0.8	2.0	1.4	1.0	0.7	1.4	1.12	1.0	0.8	5:1 6:1 7:1
EB-01	Purple	1000	800	2000	1400	1000	700	1400	1120	1000	800	25 25 30	1	100
EB-02	Green	2000	1600	4000	2800	2000	1400	2800	2240	2000	1600	50 50 60	1	100
EB-03	yellow	3000	2400	6000	4200	3000	2100	4200	3360	3000	2400	75 75 90	1	100
EB-04	grey	4000	3200	8000	5600	4000	2800	5600	4480	4000	3200	100 100 120	1	100
EB-05	red	5000	4000	10000	7000	5000	3500	7000	5600	5000	4000	125 125 150	1	100
EB-06	brown	6000	4800	12000	8400	6000	4200	8400	6720	6000	4800	150 150 180	1	100
EB-08	blue	8000	6400	16000	11200	8000	5600	11200	8960	8000	6400	200 200 240	1	100
EB-10	Orange	10000	8000	20000	14000	10000	7000	14000	11200	10000	8000	250 250 300	1	100
EB-12	Orange	12000	9600	24000	16800	12000	8400	16800	13440	12000	9600	300 300 300	3	100
EB-15	Blue	15000	12000	40000	28000	15000	14000	28000	22400	15000	12000	200 200 240	3	100
EB-20	Orange	20000	16000	60000	42000	20000	21000	42000	33600	20000	16000	250 250 300	3	100
EB-25	Orange	25000	20000	50000	35000	25000	17500	35000	28000	25000	20000	300 300 300	3	100
EB-30	Orange	30000	24000	60000	42000	30000	21000	42000	33600	30000	24000	300 300 300	3	100
EB-40	Orange	40000	32000	80000	56000	40000	28000	56000	44800	40000	32000		3	100
EB-50	Orange	50000	40000	100000	70000	50000	35000	70000	56000	50000	40000		3	100

WARNING:

1.The slings should avoid the harm of the sharp instrument when lifting the goods.

2.You can add the leather or polyester on the outer layer of the slings to protect it when lifting the goods .

3.Never use slings with damages or defects.

4.Only use slings with clear identifications.

5.Forbidden to tie a knot of the sling or link with a knot. You should link the sling with the right connecting piece.

6.Before use, check working load limit, length and working position.

7.Never use slings under -40Â°C Or more than 100Â°C .

8.Elongation rate <3% at working load <10% at breaking load.

Our Services

1.Client

We treasure and try to understand all the different needs of our clients and seek to forge a long term professional relationship with them. The satisfaction of each and every customer is our main goal and motivation in conducting our business.

2. People

We work as a team and treat each other with respect. Our solid, capable and knowledgeable team is valued as the greatest asset and an integral part of the business.

3. Product

Our products are of high quality standards and always come with certificate of compliance by the manufacturers.

4. Performance

We aim to achieve high level of performance and satisfaction to both our client and people, which include delivering high quality services and treating people with integrity.

5. Free sample and OEM service

We can provide free samples to you and we also have OEM service, we can put your

logo on the label and the information you need on the webbing too.

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