nitecm

At northern  Thailand  they grow at Chiangmai  ,Chiang rai and Mae Hong son

18 hours ago, NancyL said:

And the quantities he intends to buy.

Each time should be in 3 to 4 hundred  kilo . It use to prepare as food to sell and also sell to other small shop at the surroundings  villages

45 minutes ago, worgeordie said:

Muang Mai wholesale Veg & fruit market,near

US embassy on Ping river,to get the cheapest 

prices you will need to buy,the likes of Potatoes

and Onions in 5 - 10 Kg bags, other veg available

in smaller quantities,huge savings over supermarkets,

Cheap fish !, well Makro offers lots of Pangasius catfish

frozen,also other species.

regards Worgeordie

Thanks

At Chiang mai may I know where can get cheaper fish

Anyone able to identify  the type of plant shown in the picture. The picture shown is the seed under the ground .

On 8/10/2018 at 5:21 PM, Fruit Trader said:

Now we have had the super pump suggestions,  here's a fairly cheap redneck Thai solution to the problem.

1.5hp (85M head) Chinese deep well pump inside large diameter screen connected to rated pressure PE pipe. Job done. All readily available in the LOS.

 

US quick fit version used for irrigation.

Thanks

This is a good solution

 

It used a 220V ac submersible pump-and can get it about 5000  to 8000 baht from aliexpress   and need a  1.5 kw generator. If use petrol engine just cost 7000 baht

I only need to choose the correct pump with a head of more than 60m

34 minutes ago, carlyai said:

@nitecm You seem to have it all figured out.

Another thing to keep in mind: when you pump up the 60 m with tanks and pumps at different levels, you should make sure that those concrete rings or tanks you are using can store a few days of water. Probably more would be better.

One day your pump inlet in the river will be blocked with weed or something and you will have to clear it, therefore your pump could be not working for a few days.
You could have 2 inlets on the pump maybe 1 meter apart, and if one inlet got blocked the other would still work. I've never done that, but it could help with blockages.




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One thing still not sure. Will it very difficult to crank the engine because the pump is pressurized.

17 hours ago, scubastephen said:

You can use other types of pumps, just use a foot valve at the bottom of your inlet pipe , so once primed the water stays in the pipe. Same principle as a windmill.

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Thanks 

If have foot valve can use other types of pump with enough power . It may be cheaper as well

3 hours ago, tryasimight said:

 This loss is multiplied by the length of the pipe.  I'm guessing you are looking at a pipe length of 150-200m for a vertical lift equivalent of 60m. I'm assuming you are not pumping completely vertically but on the ground up a hill. 

200m of 1/2" pipe will have a lot of resistance. 

For your application I think the 12v pumps you are considering are really just toys and will give you problems over time.  That's just my opinion though. 

 

There will be a point on the pump curve showing the head capability.  Cross reference this to you flow which is roughly 20 litres an hour and voila you now have the size of the pump and the power input required. 

Please nite: 20 liters per hour is over 24 hour time frame.  If you want to stand and water each tree over a four hour period then you now need a 1250 litre an hour pump.  Very, very different duty and pump required. 

I'd be looking at 40mm pipe minimum as a gut feeling. Don't forget to buy the pipe rated for the pressure -you're looking at nearly 100psi in the old money. High pressure pvc tubing might work if glued correctly otherwise agricultural type flexible piping or reinforced hose. 

 

If you do use a positive displacement pump make sure you have a pressure switch on it. If for any reason the outlet pipe is blocked something is going to break.  Hopefully just  a burnt belt.... 

Thanks

Mostly used flexible reinforced hose. At the 60 m height and  40 m height will has a tank at each location so only 40 % need to pump up to  60 m height and 60 % at the height of  40 m .Each 1000  to 2000 liters Pvc  tank just cost 3000 to 5000 baht . The outlet hose will open all the time.

A piston pump with a diesel engine is a good solution. Anyone know where to get these item around Chiangmai and how much is the cost

8 hours ago, lannarebirth said:

 

You folks are really overthinking this I think. Small piston pump run by belt off a pulley to a small Honda motor, all secured to one of those very inexpensive metal frames. Job done.  For a more permanent installation build a cement pad with mounting bolts and vibration dampeners.

 

That's what you want, right there:

 

 

Yes if can get a small  piston will solve the problem.I want to build it cost effectively. I have 3 parcel of land with 6 rai per parcel and grow with about 150 trees per parcel  so no need so much water. Thanks 

9 hours ago, djayz said:

Forgive my ignorance, but what exactly, in plain English, do you mean by the last two sentences? 

That 5,000 l / hour at 6 bar is

1) too much for those pipes or

2) not enough?

Just trying to understand it as I have zero experience with pumping water yet (I need to sort this out in the next 2 to 3 months for our place in Korat, hence my curiosity). 

If the  pressure is 6 bar then if  you connect to the  hose or any pipe line,your pipe line and the fitting and connection must strong enough to take the pressure. It also mean that it need a better quality hose or piping so it will more costly

3 minutes ago, tryasimight said:

Maybe if the OP can be clearer in his real life requirements better advice can be given.  Does he really need 5000litres an hour..... or is that a day? 

 

Yes It only need 5000 litres per day not per hour that the reason I consider the use of the 12v or 230V submersible pump with a 1kw or 2kw gasoline generator .From the brochore it state that it are able give me 1000 litres per hours with the head of 60m. It is very cost effective and easy to use. It place one 2000 liters tanks only need 5000baht,the submersible pump 8000 baht and the 1kw gaseoline Generator less than 10000 baht,5000 to dig the well and another 5000 baht for high pressure hose. It just cost me 33000 per system. It also easy to install .

But I never use all these type pump before and not sure their specification is true or false.  Water tanks and well or pond will build regardless the choice of pump system

22 hours ago, Fruit Trader said:

How about we go up a 300 M hill with centrifugal pump.

 

 

This one difinitely can do the job but need a high power engine to drive and high pressure hose or piping to use it

Thanks for all the recommandations.

I will build the water tanks at different altitude  with the   difference of 20 m. It will cost about 3000 baht x3 x3  27000 for three places

22 hours ago, lannarebirth said:

Put that pump on a Kubota diesel motor and you're going to spend a little more but it will go on pretty much forever with regular maintenance.

Yes Diesel engine is reliable although more cost but I seldom see positive displacement around Chiang Mai

 I dig the well because the river is very small and water is very shallow at non raining season and is a public place . Totally it has 3 places so I need to build three of them . I  also consider build a two or 3 tanks as suggested by Carlyai by using those readied make cement as shown in the picture below so each  the height is divided into 3 stage and only 20m.The pump will require less power and cheaper or even can move from one location to another so I do not need to buy 3 set complete system

The pump and engine or generator can move around..Postive displacement pump is good withgas  engine is good but not sure where to find the positive displace pump. 

Any recommandation around Chiang Mai area?

I have to balance the cost and ease of operation .

On 7/29/2018 at 7:26 PM, carlyai said:

I was waiting for someone else with more knowledge to respond, but here are some thoughts.

How big and deep is your pond?

Why wouldn't you put the pump on the side of the pond and a large diameter hose or piping system into the pond. Then from the pump pipe it to where you want to use it.

The submersible pumps you have in the pictures are for solar operation it reads. Also I don't think a submersible pump is a good choice of pump in your situation.

Does the pond fill from underground water or rain?

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I plan to use a submersible pump because it do no need priming . The water is from the river which is about 0.5 meter below the rice field so I need to dip a well about 2 m deep and pipe the water from the river. The river about 20 m from the rice field . I only need 4 or 5 ton of water for 200 trees .The height of the slope is about 60m

Thanks for the reply

I plan to dig a well at the rice field with two meter deep. The water is from the river which just 20 m away from the rice field and the river bed  slightly lower than the rice field.

I only need 4 to 6 tons of water per day for 200 trees.The height of the slope is about 60 m 

 I check all these pump are able to give you the head of 60m . It uses AC 220 Or DC 12 to 24 V with less than 300W. I only need to buy another 1kw petrol generator and the total cost 

Pump 5000 to 8000 Baht

Petrol Gen  5000 to 8000 baht 

Another 5000baht for 2000L container

So the total cost will less than 21000

But I not sure will it reliable.

Does anyone has used it before and can give some feedback.

Anyone know which type of pump are suitable to pump water with a height of 60 m. The required amount of water suppy is about 5000 l per day. The water source is a pond

Come to district kalayani . A lot of people grow coffee  

Any have used Kanto or Yong Jia brand post hole digger . Which one is better

Hi

Anyone has good grade Jasmin rice to sell PM me

At Aug the farmers have started to order from por rian at Chiang mai. The seed from Holland is about 80 to 100 baht per kg. It will produce a lot of big size potatoes for hotel or consume at restaurant .but last year it produce medium size. If they supply you poor quality seed but charge you at high price , the farmer also can not do anything .the more you order the cheaper the price.the seed from the old potatoes is about 30 to 40 baht.

Now they are starting to prepair the seed at the north