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 I use my air conditioner or not?
The gas heat exchanger has nothing to do with the AC. AC has its own heat exchanger. OK to use the AC. Somebody was trying to make a quick sale.
Q:Process water with a specific heat capacity of 4.182 KJ Kg-1 K -1 flows at a rate of 0.050 Kg s-1 through a...?
i think of you could desire to attitude it from 3 perspectives; college training and its availability and affordability, retirement and what the destiny holds for them and how undesirable it ought to be as adversarial to now and how it is for their mom and dad living on mounted earning or approximately to outlive mounted earning, thirdly-the ecosystem. at the same time as those issues at the instant are not immediately suitable all 3 carry extensive social and fiscal impact for the greater youthful adults of this usa which will impression them for some years yet to come back as quickly as they are nicely previous their mid 30s and 40s an into their retirment years even. by way of transforming into in contact and assisting and taking a hand now with the ideas and rules which would be made they are assisting to set the course for their destiny.
Q:Hey there, why do we need compressor in Air Cycle Machine (ACM) in aircraft (Airbus family)?
You need to understand the entire cryogenic cycle to see where the compressor is necessary. When the air is compressed the temperature rises. The air is then run through a heat exchanger where much of the heat is transferred to the ram air bypass loop and exhausted. When the air is then expanded back to a lower pressure the temperature drops and that colder air is then used in the condenser to cool the cabin.
Q:heat pump blows cold air, will not turn off?
I agree with that guy, theres something wrong with your description. If you turn your thermostat to the off position and the fan to the auto position, does the air still blow out of the vents even after a 2 minute delay? If so, then it could be a bad thermostat, or a bad control board.
Q:What's the problem with the circuit breaker on my heat pump?
If the breaker trips right away, it means you have a direct short. Usually in a heat pump this is a crankcase heater. This is what keeps the oil in the compressor warm during cold months, This is not an expensive fix, but you will need to have an a/c company check it out. If this is not the problem, the next bet would be a compressor. When it takes several minutes to trip the breaker it means other problems. But right off trips mean a high amp draw, or a short.
Q:Would it be possible to harness the excess heat produced by a vehicles engine as stored electricity...?
It is possible but not practical. If you consider the amount of energy available and the best efficiency of of any system that could be installed to harness that energy then factor in the loss of efficiency to the primary system (engine) due to extra weight and add in the cost of such a system, you end up with a negative. 2 extra points due to misinformation on other answers 1.A turbo does not recover heat from the exhaust. 2. A vehicle engine is a heat engine therefore its maximum theoretical efficiency is partly due to the ambient temperature at which it exhausts. If you put a heat exchanger on this to recover heat, you will raise the cold temperature of the heat engine and reduce its efficiency, therefore the only recoverable heat is the low grade heat from the engine body and cooling system.
Q:gas drier heat source?
I assume you mean that you want to use the heat exhaust from your dryer in the house instead of venting it outside. Unfortunately that exhaust has tiny bits of lint that comes off the clothes. You see it in your lint tray. It is HIGHLY flammable and if it was allowed to build up in your house any small spark could ignite it and cause a fire. That's why all dryers are set up to exhaust outside. In order to 'reuse' the heat in the house it would require a filtering system that would be prohibitive, demand constant maintenance and probably not make that much of a difference anyway. It makes more sense to try and preserve the heat you already have by insulating windows and doors.
Q:Could someone give example how to estimate the price of microchannel heat exchanger?
take your specs to alfa laval and ask them. product flow rate, product input pressure, and max pressure loss, service flow rate, service input pressure, and acceptable pressure loss, product input temp, required product outlet temp, and service input temperaure These are the minimum specs required. . general matl. is stst.316, but alfa laval can price in many matl.s . with the above specs they use a pc program to quote, so its no big deal to quote several different arrgts. . find your local agent, and with your specs, talk with them. cheers
Q:Can natural hot springs be used for heating?
The most simplest method will be to use a simple heat exchanger and blower. The hot water springs can be pumped into the unit having the blower.Inside the unit use copper pipes in front of the blower to transfer the heat to air.Remember to use insulated cpvc pipes so as to minimize heat loss while pumping water from source to unit. This is a cheap yet effective method of heating. However if the spring is really good that is it can make superheated steam then you can use it to generate electricity.then the electricity can be further supplied to an heater. Finding such springs is really difficult and it is more difficult to harness geothermal energy and it is also quite expensive. i would suggest you use concentrating solar or biogas for your project which is more efficient as well as cheap.
Q:problems with central heat and air?
There is a device in the furnace called the temp. delay relay. If this is set wrong it will allow the fan (blower) to run even if the unit is off. It is probably set too low. The purpose of a T D R is to let the blower blow out the excess heat after the burner turns off. It is mounted on the furnace in the heat exchanger area. It has a dial with movable arrows indicating when it comes on and turns off. You should be able to adjust yours if you can locate it. There are some variations of this device, but they all work the same. Good luck and God Bless.

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