pre-heater

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Product Description:

1.Product Description:

Pre-heater is a high-efficient heat exchanging equipment used in alcohol, solvent, foodferment, pharmaceutical, petrochemical, refrigeration, organic chemistry, metallurgicalindustry, suitable for convection heat transfer of liquidtoliquid,gas to gas,gas to liquid.

The heatexchangeris divided into tubular heat exchanger, spiral plate heat exchanger.And the tubular heat exchanger comprises condenser, Pre-heater, Re-boiler,Evaporator, drying machine. The spiral plate heat exchanger comprisesnon-dismountable and dismountable exchanger.

The heatexchanger is made of carbon steel and stainless steel.

2.New Technology Description:

Five-ColumnThree-Effect Distillation Process

Our company designs and manufactures latest Five-Column Three-Effect Distillation equipment.This new process is promoted on the basisof traditional five-column differential-pressure column and mainly used forsuper-fine alcohol production.

The key of this process is the heatingmethods,the steam heats one column directly andtransfers theheat to other 4 columnsto achieve three-effect thermal couplingand energy-saving effects.

In terms of electricityefficiency, it can save 50% electricity and avoid the repairing ofcirculating pumps and also extend the working life of there-boilers.

Energy Consumption & Quality Indicator Table forSuper-fine Alcohol

No.

Item

Unit

Traditional Process

New Process

1

耗汽量Steam Consumption

t/t

3.0

2.3

2

色度Colority

No.

9.5

8

3

乙醇 Alcohol

%v/v

95.5

96.5

4

硫酸试验Sulfuric Acid Test

No.

70

9

5

醛(以乙醛计)Aldehyde (as acetaldehyde)

mg/l

28

2

6

甲醇Methanol

mg/l

18

3

7

正丙醇n-propyl alcohol

mg/l

15

2

8

异丁醇+异戊醇Isobutanol+isoamylol

g/l

27.5

2

9

酸(以乙酸计)Acid(as acetic acid)

mg/l

19

9

10

脂(乙酸乙酯)Ester (as acetic ether)

mg/l

22

16

11

不挥发物Nonvolatile matter

mg/l

23

12

12

重金属(以Pb计)Heavy metal

mg/l

0.65

0.4

13

氰化物(以Hcn计)Cyanide(as HCN)

mg/l

3.7

2

Double-Mash-Column Three-Effect Distillation Process

This process applies to the production ofgeneral-grade alcohol& fuel ethanol, and it was awarded Chinese nationalpatent, it is the onlysuccessfulapplicationof doublemash column & three-effect in the world,whichproduces general-grade alcohol.

This process is composed by mash column,rectification column and composite column. The composite column functions asmash column and rectification column.

The key of this process is the heatingmethods: the steam heats one column directly andtransfers the heat to other 2 columns to achieve three-effect thermal couplingand energy-saving effects.

The advantage of this process is energy-saving;it saves over 40% steam

Energy Consumption & Quality Indicator Table for General-Grade Alcohol

No.

Item

Unit

Traditional  Process

New Process

1

耗电量Electricity  Consumption

kwh/t

15

20

2

耗汽量Steam  Consumption

t/t

2.3

1.4

3

耗水量Water  Consumption

t/t

7

5

4

色度Colority

No.

9.5

8

5

乙醇 Alcohol

%v/v

95.5

95.5

6

硫酸试验Sulfuric Acid  Test

No.

70

55

7

Aldehyde (as acetaldehyde)

mg/l

28

25

8

甲醇Methanol

mg/l

100

55

9

正丙醇n-propyl alcohol

mg/l

75

35

10

异丁醇+异戊醇Isobutanol+isoamylol

mg/l

27.5

26

11

酸(以乙酸计)Acid(as acetic acid)

mg/l

19

18

12

脂(乙酸乙酯)Ester (as acetic ether)

mg/l

22

20

13

不挥发物Nonvolatile matter

mg/l

23

21

14

重金属(以Pb计)Heavy metal

mg/l

0.65

0.5

15

氰化物(以Hcn计)Cyanide(as HCN)

mg/l

3.7

3

3. Production Capability

1.       Our company was established in the 1950s,designed and manufactured the first stainlesssteel distillation column in China.

2.       Our company can produce 6 full sets of equipment (including crushing section, liquefying saccharification section, fermentation section, distillation section and DDGSsection) in a

month.

3.       Among 16 production workshops,3 workshops arefor mechanic manufacture, 5 workshops arefor manufacturing process, 8 workshopsare for assembling & welding.

4.       We own advanced machining equipment and producttesting equipment.

4. Designed capability

1). We own Design License of SpecialEquipment D1 & D2 Class; Manufacture License of Special Equipment A2 Class;Design License of Special Equipment GC

Class.

2).Our company achieves more than 20 patentcertificates on distillation, DDGS, and other fields.

3). Ourcompany owns ASME certification, ISO 9001 Quality System Certification, ISO14001 Environmental Management System Certification & GB/T28001Occupational Health and Safety Management System Certification

5. After-sales Service

1).Our company can provide a sophisticatedproduct after-sale service and can ensure the implementation, maintenance andcommission of projects.

2).We can reach the project site after receiving the user’s notification.

6.Package & Transport

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Q:Can you use the heat from a refrigerator to heat water?
Great idea. I have never seen it designed, but I believe it would work. The heat is not enough to heat hot water to final temperature, but could be a preheater and save kilowatts.
Q:the afffect of the diffrent flow rate in heat exchanger?
the higher the mass flow rate through HE lower would be the rate of heat exchange as the working fluids come in contact(direct or indirect as the case may be) for a shorter period of time and thus the change in temperature of the fluids would be little.
Q:hi guys...i need some help here....About Heat Exchanger?
You have the most simple and complicated heat exchanger in your body, guess what !!!!, it is built inside your nose, check that with your ENT Dr.
Q:Solar to heat the water in our house? Cost?
Can't answer directly, as ROI will depend on how you can situate the solar panels and how much freezing weather you get -- a simple system that will handle hot water in summer but has to be drained in winter is cheap and easy. The ones involving heat exchangers that can be used in freezing weather are more complex and expensive. www.energy.vt.edu/vept/renewables...
Q:What are heat exchangers?
A heat exchanger (HE) is used to move heat from one location or zone to another, usually for the purpose of cooling one zone. A direct-contact HE is explained in the link below - heat transfer between hot and cold streams of two phases in the absence of a separating wall. So you could have a gas being bubbled through a liquid to cool it. A non-contact HE could be, for example, one where cooling pipes (with coolant inside them) have the liquid to be cooled flowing around them. It comes down to whether there is a wall separating the two phases or not.
Q:Has anyone ever heard of a wood heated hot tub?
yup! build a hot tub with a pipe out of the bottom and out of the top both below the water level, run pipes to a fire box with pipes on the outside of it, the hot water is lighter than the cold and will circulate without a pump due to the heat difference...it will not bubble or massage but it will heat the tubs contents. Add a few bikinis, season with wine and enjoy the soup...
Q:earth science question. Why is the heat energy of the ocean said to be low quality but high quantity?
Quality is based on the differential temperature between source and what it will be after being used. The ocean is not that warm so it has a small differential temp between pre-use and after use. This makes it difficult to transfer the energy....bigger radiators, heat exchangers etc, compared to what is needed with high temperature fluid. Quantity: Well, there is a lot of ocean out there so there is a lot of usable heat energy even if it is low quality heat.
Q:Have you good ideas about how to use heat of sea water...?
heat exchanger
Q:Can a heat exchanger on a pool heater (Hayward H400IDL be repaired if leaking. ?
Its possible to have it welded depending on the material its made of. But in all honesty that heat exchanger is about 900 bucks. Youd be better off replacing the entire unit. By the time you factor either your time or someone else for 500 more bucks you can get a working unit.
Q:What is a regenerative heat exchanger?
Regenerative heat exchangers for regenerative heat transfer equipment.

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