240 tpd formaldehyde formaldehyde formaldehyde … · formaldehyde formaldehyde plant ... from the...

240 TPDFormaldehyde

Plant

240 TPD240 TPDFormaldehyde Formaldehyde

PlantPlant

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17A Marlen Drive Hamilton, NJ 08691 USATel: (609) 586-8004 Fax: (609) 586-0002

www.ippe.com

Formaldehyde OverviewFormaldehyde OverviewOverview Summary:

In this plant, formaldehyde is produced by the oxidation of Methanol. Utilizing a catalyst Fe-MO supported by ceramic.

The oxygen is fed by using a blower (VV 701) taking part fresh air and part exhaust gases from the outlet of the absorbtion column (C 701) in order to reach the oxygen concentration of the methanol LEL. The concentration is detected continuously by an oxygen analyzer on line.

The gas is fed in the methanol evaporator (E 701) where liquid methanol is added through spray nozzles and evaporated using the heat of the solution taken from a section of the column.

The reaction mixture is fed in (F 701) where it is heated up by gases from the reactors, then goes in the reactors from bottom to top.

The reaction is exothermic and the heat is removed using diathermic oil circulated in each of the seven reactors.

Formaldehyde OverviewFormaldehyde OverviewOverview Summary continued :The gas from the reactors is composed of formaldehyde, oxygen, nitrogen and methanol and goes to the absorption column from bottom to top.

The column is divided in three main sections where the solution is circulated by pumps and the third section is cooled with a plate heat exchanger (F 703).

From the bottom of the column, the formaldehyde solution 36-37 % is sent to the storage tank.

The heat of the diathermic oil is removed in a boiler (H 701) which produces steam at 17 bar-g.

The water to produce steam is fed by a pump.

To start the plant before feeding the gas to the reactors, the reactors have to be heated to the temperature of reaction. This is accomplished by circulating the oil in a burner (B 701) working with natural gas.

• Maker: T.O.S.I.-Legnano

• Number: 5043

• Pasp: 0.986 ata

• Pmand: 1.47 ata

• Range: 61,000 m3/h

Electroblowers VV701

• Type: DF 91

• Service: Gas Circulation

Formaldehyde EquipmentFormaldehyde Equipment

• Proj. Condition: Formaldehyde SolutionExternal Side P= 5 bar – Temp.= 99°C

Capacity: 1,700 lt

• Service: Methanol EvaporationThermal Recovery

• Proj. Condition: Methanol + AirInternal Side P= 0.5 bar – Temp.= 99°C

Capacity: 2,650 ltMat.: 304SSChange Area: 372 m2

Pre-Evaporator E701• Maker: Alfa-Laval France

Formaldehyde EquipmentFormaldehyde Equipment

• Proj. Condition: Methanol + AirMantel Side P= 0.17 ate – Temp.= 200°C

Capacity: 7.6 m3

• Service: AirMethanol Mixture HeatingReacted Gas CoolingThermal Recovery

• Proj. Condition: Reacted GasTube Side P= 0.5 ate – Temp.= 310°C

Capacity: 5.4 m3

Material: Stainless Steel

Recovery F701• Maker: Sartori

Formaldehyde EquipmentFormaldehyde Equipment

• Proj. Condition: Diathermic Oil Mantel Side P= 0.6 ate – Temp.= 310°C

Capacity: 1.34 m3

Material: Carbon Steel

• Service: AirMethanol Mixture HeatingReacted Gas CoolingThermal Recovery

• Proj. Condition: Methanol + Air Tube Side P= 0.17 ate – Temp.= 350°C

Capacity: 1 m3

Material: Stainless Steel

Reactors A701/A702/A703/A704/A705/A706/A707• Maker: COSM

Formaldehyde EquipmentFormaldehyde Equipment

• Entries: 7th and 11th plate, demineralized water or aldeic waters from acted gas bottom

• Proj. Condition: P= 49,035 Pa (gauge)Temp. = 350°C

• Internal Dia.: 4,400 mm; Length: 25mt• Material: SS – CS

RPM Multiplier• Maker: OLSA

Formaldehyde EquipmentFormaldehyde Equipment

Made of 3 ring packed sections (TC1, TC2, TC3) and a fourth section with 11 perforated plates - Liquid recirculation on the 3 packed sections

• Proj. Condition: Water - VaporMantle Side P= 4 bar

Temp. = 216°CMaterial: Carbon Steel

• Service: Diathermic oil cooling Thermal recovery with M.P. vapor production

• Proj. Condition: Diathermic OilTube Side P= 1.3 ate

Temp. = 310°CTotal Capacity: 5.4 m3

Material: Stainless Steel

Boiler H701• Maker: SAICI – Milan

Formaldehyde EquipmentFormaldehyde Equipment

• Electric Motor: 960 rpm/min, 47.5 Hp, 500V50 Hz, 53 A

• Mechanical Seal: Suction Diameter – 250mm Discharge Dia. – 200mm

• Temperature: 270°-320°C

• Head: 16.5m

• Number: 59375

• Capacity: 500 m3/h

PC 701 (PC701R)• Maker: Gabbioneta

Formaldehyde EquipmentFormaldehyde Equipment

• Electric Motor: T.I.B.B.2,900 rpm/min, 7.5 Kw,500V, 50 Hz, 53 A

• Mechanical Seal: Suction Diameter – 50mm Discharge Dia. – 200mm

• Temperature: 20°C• Head: 6.5 m• Capacity: 6 m3/h

• Number: 71968• Service: Demineralized water

dispatch to boiler H701

Centrifugal Pump PC702• Maker: Aturia

Formaldehyde EquipmentFormaldehyde Equipment

• Electric Motor: 1,460 rpm/min, 45.5 Hp,500V, 50 Hz, 7 A

• Mechanical Seal: Suction Diameter – 250mm Discharging Dia. – 200mm

• Temperature: 20-60°C• Head: 40-35 m• Capacity: 12-16 m3/h

• Number: 58837/8• Service: Formaldehyde solution

dispatch from column 701 to tank SR20

Centrifugal Pump PC703 (PC703R)

• Maker: Gabbioneta

Formaldehyde EquipmentFormaldehyde Equipment

• Electric Motor: 1,460 rpm/min, 45.5 Hp,500V, 50 Hz, 49 A

• Mechanical Seal: Suction Diameter – 250mm Discharge Dia. – 200mm

• Temperature: 20-60°C• Head: 40-35 m• Capacity: 12-16 m3/h

• Number: 59412/59424/59423• Service: Formaldehyde solution

recirculation in column C701

Centrifugal PumpPC704 (PC704R), PC705 (PC705R), PC706 (PC706R)

• Maker: Gabbioneta

Formaldehyde EquipmentFormaldehyde Equipment

• Min. Gas Pressure: 1.5 bar

• Total Power: 10.3 kw

• Opt. Included: Oil re-circulating pump, control panel, gas regulating station

• Capacity: 600,000 kcal/h

• Service: Diathermic oil heater

Diathermic Oil Heater B701• Maker: Standard and Kessel,

Type HoKv 700

Formaldehyde EquipmentFormaldehyde Equipment

• Type: Oxymat 5F

Oxygen Analyzer

• Maker: Siemens

Formaldehyde EquipmentFormaldehyde Equipment

• No. of Plates: 223

• Surface: 270 m2

• Material: Stainless Steel

• Type: A-HBM

• Service: Plate Heat Exchanger(3rd column section)

Plate Heat Exchanger F703• Maker: Alfa Laval

Formaldehyde EquipmentFormaldehyde Equipment

• Min. Gas Pressure: min. flow – 148mmax. flow – 138m

• Total Power: min. 2 m3/h max. 10 m3/h

• Opt. Included: 9.2 kw• Capacity: CAM 25/6• Service: MeOH feeding pump

MeOH Feeding Regulation P711• Maker: Hermetic Pumpen

Formaldehyde EquipmentFormaldehyde Equipment

Many spare parts are available at this plant

Block DiagramBlock Diagram

Contact Information

MICHAEL JOACHIMDIRECTOR, PLANTS DEPT.Tele: 609-838-5930 (direct)

Mobile: 609-516-9107MichaelJ@ippe.com

SANJEEV REGEVP GLOBAL PLANT SALESTele: 609-838-5938 (direct)

Mobile: 609-510-2616SanjeevR@ippe.com