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:Plumbing (central heating) quiz. A beer to the person who helps me figure this out successfully.?
hi paul,again first what i think the pipes are. 1. return from ch 2.return to boiler 3.flow from boiler. the system seems like it was put in by someone who did not fully understand the workings of a ch/hw system.It looks like some form of solid fuel appliance was used to heat the water at one time. The cold feed from the header tank should not tee into the expansion in the attic as this can cause circulation in the header tank,oxidation the water and causing a build up of air in the system leading to rusty rads. The by pass at the pump is wrong it dose nothing. The idea of a by pass is to clear the boiler of boiling water after motorised valves close.This is achieved by the pump overrun (normally a stat in the boiler) that runs the pump until boiler cools down so avoiding kettling of the heat exchanger. the by pass should be placed between the flow and return before the valves. Getting back to your question i think the set up would have worked ,but ineficently.My advice to you would be to get rid of the header tank and pressurise the system
Q:with the aid of a diagram, discuss in detail the operational of a heat exchanger.?
the warmth exchanger could be under guarantee from the manufacture, even nonetheless this could opt to be confirm with the close by grant living house alongside with your kind and serial huge form off the furnace. i could additionally, question the warmth exchanger crack, as some furnace have whats called a front plate. the front plate over the years will crack. this could nicely be a replaceable section. And is often misdiagnosed as a cracked warmth exchanger. seven-hundred is honest for the value. i could get a carbon monoxide detector and setting up that. you ought to tell the guy to hold off and have somebody else seem at it. some companies available supply a unfastened 2d opinion. you ought to call them and say that the 1st employer says (your fibbing here) which you have 2 options here replace the entire furnace or fix / replaced the warmth exchanger. And which you elect them (the 2d employer) to envision this and provide you a 2d quote. Its enormously uncommon for the warmth exchanger to crack in a residential living house. Its is achieveable yet returned returned to my assertion above appropriate to the front plate. only attempting to supply you another issues to look at and ask.
Q:define the process of efficiency of different patrs of a binary cycle power plant?
Sorry, but this is the government section.
Q:What is a good method to clean an oil fired hot air heat exchanger?
If you are cleaning out the exchanger, you should brush and vcacuum it out. If you are cleaning out the burner (pot) that the oil burns in, just put 1 or 2 mothballs in it when it is lit. It will cleaan out the firepot and chimney. Don't put in any more than 2 mothballs as you will cause a bad fire and the stove/furnace will dance around on the floor!
Q:why do you think that a company which was successful for 20 years suddenly ran into problems?
well, what is come and they have go back where they come from. like a lee brother (bank) which more then half century. and they are gone. remember, in this world nothing is belong to you forever and you will not be remenmber by other forever too. good luck dont think too much.
Q:350chevy marine exhaust manifold temperature?
Your heat exchanger will not create cold shock when coolant is running through. The exhaust manifolds are relatively a small area to exchange heat, the block produces much more hot water. Your water pump is not plumbed with two inlets, rather two outlets. Stick with the factory hose routing and the proper pump, which does not use a bypass system and you won't have any problems.
Q:How can I tell if heat exchanger on my gas furnace is broken?
LIGHT A MATCH AND WAVE IT AROUND THE FURNACE
Q:Symptoms of a cracked secondary heat exchanger (Carrier SXC model)?
I agree with Pro. Do Not use the unit until it is repaired or replaced! CO is the danger here!!
Q:Heater works when it wants to, why?
Start by eliminating components. First jumper out the t-stat. Take it out of the loop. See if the furnace acts up. Next the pressure switch, etc. etc. Sooner of later you will find the culprit. Pressure switches rarely go bad. And if the vent is partially blocked it could cause intermittent problems. Check the filter. That could cause random limit issues. May be a dirty flame sensor that turns off the burners. T-stat problems will turn off the exhaust blower. If the exhaust blower still runs and burners shut off, may be vent or sensor issues! God luck! Hope this helps!
Q:What is a shell and tube heat exchanger?
Greatly improving the efficiency of heat transfer, in 2012 also gradually spread in the domestic market. Shell and tube heat exchanger, spiral tube bundle design, can maximize the increase in turbulence effect, increase the heat transfer efficiency. Internal shell and tube asymmetry design, the maximum can reach 4.6 times.

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