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ZIP:324000
TEL:+86-570-3865703
FAX:+86-570-3865781
SITE:www.dshtech.cn
E_MAIL:dshchem@aliyun.com
ADD:NO.75 ,Fushi Road,Quzhou City,Zhejiang Province,China

   
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Heptafluoropropane( HFC-227ea) using the raw materials

of hexafluoropropylene and hydrogen fluoride

 

 

 

1. Product Introduction

    Product Name: Heptafluoropropane

    English Name: 1,1,1,2,3,3,3-Heptafluoropropane

    Molecular Formula: C3HF7

    Formula Weight:170

    Physicochemical Property:Heptafluoropropane 1,1,1,2,3,3,3-Heptafluoropropane is also called HFC-227, HFC-227ea, FE-227 and FM-200. Its molecular formula is C3HF7, CAS number is 431-89-0[ 1 ], constitutional formula is F3CCHFCF3. Its boiling point is -16.8, freezing point is -131.1. It  is a corlourless, odourless gas in normal temperature.

    Usage: Heptafluoropropane is a fire extinguishing agent of gas fire-extinguishing system. It is clean gas extinguishing agent which accord with the standard of NFPA-2000 of America Fire Protection Association (NFPA). Its property is Non-Electrical Conduction, Highly volatile. It can not remain scrap when using. Meanwhile,Heptafluoropropane extinguishing agent is harmless to the environment,the retention period is short in nature. Fire-extinguishing efficiency is high and nontoxic, harmless. It applies to the protection areas where has workers resident. Heptafluoropropane doesn’t have chlorine and bromine and harmless to the ozonosphere, so it is used as extinguishing agent raw material to replace Halon 1301 and Halon 1211.

    Market Prospect: The Montreal convention appoints that stopping producing Halon products in 2000, The project of China gradually eliminating Ozone Depleting Substances decided to totally stop producing and selling Halon fire products in 2005. All the properties of Heptafluoropropane is close to Halon 1301, it is the most wildly used product to replace Halon products. Heptafluoropropane’s requirement is bigger and bigger.This product only produces in zhejiang blue sky environmental protection company, Jiangtian fluorine chemical ( zhejiang juhua) company etc. four companies.Market prospect is cheerful.

 

2. Technology and Process principle

    1. The Technical Principle

 

     Hexafluoropropylene react under  AHF catalytic agent, produce Heptafluoropropane.Reaction equation as following:

 

                   Catalutic agent

C3F6 + HF    钱柜qg111老虎机网站      C3HF7

 

 

2. Process block diagram

 qg钱柜

 

  

3. The requirement to the raw materials

    1. Hexafluoropropylene:≥99.5%

   2. AHF≥99.9%

   3. Catalutic agentIndustrial grade

   4. Concentrated sulfuric acid≥98%

   5. Solid caustic sodaSodium hydroxide):Industrial grade

 

4. Tons products’ raw materials and energy consumption

No.

Name

Unit t/t

1

Hexafluoropropylene

0.885

2

AHF

0.13

3

Catalutic agent

0.0005

4

Concentrated sulfuric acid

0.01

5

Solid caustic sodaSodium hydroxide

0.004

6

Electricity

60kWh/h

7

Fresh water

1m3/h

8

Vapour

0.2m3/h

 

5. Dingsheng company’s technical Service contents

   Dingsheng company’s technical Service contents as following:

1. Process design

1.Using standard list in engineering design

2. Process diagram

3. Process and Pipping flowsheet(P&I D)

4. Raw materials(auxiliary materials), public engineering instruction

5. Products and main byproducts quality specification instruction

6. Materials equilibrium diagram

7. Energy equilibrium diagram

8. Stream information diagram

9.  Pipping schedule

10. Valve schedule

11.Heat and cold insulation Technical Condition of equipment and pipping

12. The main arrangement project of factory ( or workshop)

钱柜qg111老虎机网站

1.The schedule of main equipment names and quantities

2. Outsourcing equipments data sheet

3.The arrangement diagram of equipment level elevation

4. All non-standard equipment condition diagram

5. Equipment motive power schedule

6. Equipment technical specification schedule

7.Outsourcing equipment specification list

8. Equipment spare parts

4. Process operation manual

1. Process designing instruction

2. The handbook of factory starting, running and stopping

3. The operation condition and parameter of process

4. The suggestion of accident prevention and environment protection

5. The list of Maintenance regulation, inspection frequency and relative data

6. All index analytical method of products and raw materials

7. MSDS of raw materials and products

8. Test Running project

3. Electric and instrument

1.Electric condition list

2. Instrument condition list

3.Electric installing requirement

4. The load data of electric motor list, connecting and running

5. Electric connecting diagram

6. The chain system diagram of electric and instrument

7. Cable specification list

8. Instrument designing data list

9. Instrument data wire specification list

10. DCS configuration instruction

5.Engineering and structure project

1. All equipment load data and bracing structures with materials

2. The antiseptic suggestion of buildings and structures

3. Equipment basic designing data

4. The antiseptic suggestion of underground pipping

 

   1. Technical exchange of preliminary design and detail engineering design

   2. Revise some preliminary design according to  owners’ actual condition

   3. Check and accept detail engineering diagram and data

   4. Technical disclosure before equipment installing

   5. Assist workers training according to the operation manual

   6. Assist production line test running

   7. Assist capability testing to the production line

   8. Other services required from owners within contract

 

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