Treatment FAQ

how chlorine generators for treatment plants work

by Okey Hodkiewicz Published 3 years ago Updated 2 years ago
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Salt chlorine generators convert sodium chloride (NaCl), also known as table salt, into chlorine. These salt generators, also called salt cells, work by electrolysis. The salt water is electrically charged, which splits the salt molecules and generates chlorine (Cl).

How does a chlorine generator work?

A chlorine generator uses sodium chloride (salt) and electrolysis to make hydrochloric acid and sodium hypochlorite. These components chlorinate the water as a means to clean and sanitize the swimming pool and prevent bacteria and algae growth in your saltwater pool.

How do I control the chlorinator?

Chlorinators can be controlled manually (using the regulator) or with a controller. The most common type of controller is the flow proportional controller which automatically feeds chlorine based on the flow rate of the water.

How does a direct feed chlorinator work?

In a direct feed chlorinator, the chlorine gas is under pressure and is pumped directly into the main flow of water. There, the chlorine is evenly dispersed into the water using a diffuser. Since the chlorine is under pressure, a pressurized water supply is not needed for use with a direct feed chlorinator.

How do I maintain my salt chlorine generator?

Here are some of the biggest maintenance tasks to keep your salt chlorine generator running well: Maintain optimal salt levels between 2,700 ppm and 3,400 ppm (3,200 ppm is ideal) Clean the chlorine generator unit regularly

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How does a hypochlorite generator work?

On‐site generation applies electricity to a solution of salt and water to produce sodium hypochlorite. Incoming water first goes through a softener, then splits into two lines. One line goes to the electrolytic cell, where electricity is applied to the brine solution, and the other goes to a brine storage tank.

How long does it take for a chlorine generator to work?

The chlorine generator should be left running long enough to produce the amount of chlorine needed to sanitize the pool daily. On average, this takes between 8 and 12 hours depending on the pool size, type of saltwater generator, and the output level the chlorine generator has been set to.

At what temperature does a chlorine generator work?

The salt cell generators are made to work when pool water temperatures are above 60 degrees. In pool water temperatures that are 60 degrees or below, the salt generators simply shut down and by design do not allow the salt cell to ionize (breakdown) the salt and convert it to chlorine.

How long do chlorine generators last?

3-7 yearsA well-maintained salt chlorine generator will last 3-7 years. Replacing the salt cell costs $700-$1100. Replacing the control board costs $500-$900. You can extend the lifespans by maintaining a consistent salt level, cleaning the cell only when needed, and using the reverse polarity function.

How do chlorine generators work?

Salt chlorine generators convert sodium chloride (NaCl), also known as table salt, into chlorine. These salt generators, also called salt cells, work by electrolysis. The salt water is electrically charged, which splits the salt molecules and generates chlorine (Cl).

How do chlorinators work?

Saltwater Chlorinators use an electrolytic cell to sanitise your swimming pool. By adding a small amount of salt (sodium chloride) to your pool water, the cell converts the chloride contained in the saltwater into chlorine. This is an extremely efficient and cost-effective method of sanitising your pool.

Does chlorine work in cold water?

The cold water, anything below 65°, has an impact on the ability of the chemicals to dissolve properly. I would recommend using liquid chlorine if you have to shock in lower temperatures. You can dissolve granular shock in warm water. Perhaps it will work if you completely dissolve it before adding it to the pool.

Does water temperature affect chlorine?

The warmer the water, the faster chlorine (and all other chemical reactions) can go, so it makes sense that chlorine gets used up faster in warmer water.

What does chlorinator off high temperature mean?

Replace the cell. 'Chlorinator Off Low Temperature' means the current chlorinator cycle has been interrupted. due to a cell temperature reading of less than 50°F. 'Chlorinator Off High Temperature' means the current chlorinator cycle has been interrupted. due to a cell temperature reading of more than 140°F.

How much does a chlorinator cost?

If you've been shopping around for a swimming pool chlorinator, you've probably noticed that you have two options: inline and offline chlorinators. They both function the same and cost about the same, too (most fall within the $35 and $95 price range). The main difference lies in how they are installed.

How much does a salt chlorine generator cost?

When it's time to replace your salt chlorine generator cell, you can expect to pay between $700 and $1,100 for a new one.

How do I know if my chlorinator is working?

The easiest way to ascertain if the chlorinator is working is to make sure the cell is clean by checking the needle or production lights. Ensure there is enough salt in the pool. On the chlorinator box there should be a light or dial that indicates it is working.

Scaling Up

Due to the high pH at the surface of the cathode plates within the ECG, scale formation is highly likely. It’s important to note that scale formation will occur inside the ECG even if the pool water is properly balanced.

Precautions

Insufficient chlorine production. The ECG produces available chlorine as water passes across the ruthenium-coated electrodes inside the halogen generator. Scale reduces the contact with water passing through the ECG, effectively reducing the production of available chlorine.

How does a salt generator work?

Salt chlorine generators convert sodium chloride (NaCl), also known as table salt, into chlorine. These salt generators, also called salt cells, work by electrolysis. The salt water is electrically charged, which splits the salt molecules and generates chlorine (Cl).

What are the parts of a salt generator?

Parts of a Salt Generator. A salt generator contains two parts- the cell and the control board. The cell is the part that converts the salt into chlorine. Water passes through the cell and over blades that are coated with ruthenium or iridium, which are naturally occurring metals. They are charged by the control board, ...

Can you use a salt generator to shock a pool?

• A salt generator will save you the work of going to the store to pick up heavy jugs of chlorine. Instead, you use Salinity Surge Shock on a weekly basis to shock your pool.

Do salt pools have chlorine?

Some people think that salt pools do not contain chlorine. This couldn’t be further from the truth. A salt pool sanitizes the water with chlorine just like other pools. The difference between them is in how the chlorine is added to the pool.

Details On How Your Salt Chlorine Generator Actually Works

Some people call a salt chlorine generator a saltwater filter. This is not correct. Your salt chlorine generator does not filter your pool water. There is a separate saltwater filter that will remove debris from your pool.

Advantages & Disadvantages of a Salt Chlorine Generator

There are many benefits and disadvantages to having a salt chlorine generator for your saltwater pool. Saltwater pools have lower chlorine levels which make them softer and gentler on your skin. You will not have to handle large amounts of chlorine to maintain your pool. You will not have to add chlorine to your pool regularly.

How to Maintain Your Salt Chlorine Generator

One of the main items you need to be concerned with regarding your saltwater pool and salt chlorine generator is your pool’s chemistry. There are a few things you have to watch to make sure it is properly maintained. Firstly, your salt level must be monitored.

Chemicals to Use to Maintain Balance in Your Saltwater Pool and Salt Chlorine Generator

As part of your saltwater pool and generator maintenance, you must maintain the proper chemical balance. Chemicals you must regularly examine include:

Related Questions

How much does a saltwater generator in a pool system cost? A salt chlorine generator can be bought from $500- $600. However, a complete saltwater pool system (in which a salt chlorine generator is a component) can cost from $1,500 to $2.500 depending on the size of your pool.

What is chlorine generator?

A chlorine generator uses sodium chloride (salt) and electrolysis to make hydrochloric acid and sodium hypochlorite. These components chlorinate the water as a means to clean and sanitize the swimming pool and prevent bacteria and algae growth in your saltwater pool.

How long does a salt chlorine generator last?

Salt chlorine generators typically last 3-10 years. There is a lot of variation because there are a number of factors that will affect the useful life of one unit. Everything from the environment, amount of use, quality of pool water, and other conditions directly impact the lifespan. Even in favorable conditions, some units will fail.

How much does a salt pool generator cost?

A salt chlorine generator costs between $500 – $1200 depending on the brand, model, and market that you are purchasing. Maintaining the pool is relatively inexpensive. The upfront cost of the salt chlorine generator and other components may be higher than a traditional chlorine pool. Still, the cost of salt as a commodity is low, ...

Why is calcium important in a pool?

While calcium is important in your pool water, high levels will clog the filtration system and lead to a shortened lifespan for the salt chlorine generator.

Can a salt chlorine generator cause high chlorine levels?

One of the less obvious problems is that a salt-chlorine generator can contribute to high chlorine levels, which may not be obvious to pool owners. It is necessary to test chlorine levels regularly to make sure that you are maintaining safe levels.

Is salt water pool better than chlorine pool?

Along with the lower maintenance costs, saltwater pools are typically easier on the skin and eyes than traditional chlorine pools. You also lose a lot of the strong chlorine smell and have a smaller checklist of maintenance tasks. The initial conversion does have a high upfront cost though.

Does a chlorine generator produce chlorine?

The chlorine generator will only produce chlorine when the pools circulating system is operating. The pool owner adds a large quantity of salt to the pool water, and as the pool circulates the water through the chlorine generator, the dissolved salt is turned into available chlorine.

How does a chlorinator work?

The most typical kind of chlorinator, a vacuum chlorinator with connection to chlorine cylinder, is shown in the below figure: In a vacuum chlorinator, chlorine gas is pulled from the cylinder into the source water by a vacuum. The vacuum is created by water flowing through the injector and creating a negative head.

What type of controller is used to control chlorine?

The most common type of controller is the flow proportional controller which automatically feeds chlorine based on the flow rate of the water. Vacuum chlorinators are very safe since any break in the line will disrupt the vacu urn and close the pressure regulating valve. As a result, chlorine leaks are very uncommon.

What happens if chlorine is drawn off a cylinder too quickly?

If chlorine is drawn off from a cylinder too quickly, the temperature of the air surrounding the tank will drop and will cause frosting and lower gas flow.

How is the amount of chlorine fed into the water adjusted?

In hypo chlorinators the amount of chlorine fed into the water is adjusted either by varying the stroke length or machine speed. Further the amount of chlorine added can be adjusted by changing the strength of the hypochlorite solution . Hypochlorinators are usually used to perform continuous chlorination in smaller systems.

What is direct feed chlorine?

In a direct feed chlorinator, the chlorine gas is under pressure and is pumped directly into the main flow of water. There, the chlorine is evenly dispersed into the water using a diffuser. Since the chlorine is under pressure, a pressurized water supply is not needed ...

Why is chlorine kept upright?

The chlorine cylinder is, therefore, kept upright as the outlet is on the top of the cylinder so that the gas available on the top of liquid surface can be withdrawn from the cylinder.

How much chlorine gas should I draw off a day?

To prevent frosting, the draw off rate should be not greater than150 kg of gas per day from each cylinder. If greater feed rate are required, several tanks can be connected using a pipe manifold joining the cy linders together so that chlorine gas is drawn from several cylinders at a time.

Water Purification is Important

That being said, you might have noticed I am on a water purification kick. Some of that is that I have noticed the amount of water I have been using on livestock and gardening. Some is that I realize its impossible to store water for an extended period due to space and weight issues.

What is a Chlorine Generator

Today’s project is a device used to create a practically inexhaustible supply water purification chemicals. Basically, it make the same disinfecting solution as the calcium hypochlorite makes. You might ask why I went through the trouble of buying the HTH pool shock if I had planned all along to make a device that does the same thing.

Comes in a Complete Kit Also

If you want a CPU, but don’t have a DIY gene or interest in building one yourself, SWIM sells complete CPU tool box kit which includes an instruction card, a chlorine test kit, 2 mixing bottles, a salt measuring cup, and a couple of solution droppers. All you need to provide is 12 volts of electricity, salt, and water.

Per the SWIM for Him website the directions for use are

This is different from a chlorate cell as that the water free flows through the unit which does not allow chlorates or perchlorates to form. This process operates at a different voltage and a much lower temperature.

It works with Solar Also

Additionally, if you are using solar power to charge your battery, you will want to recharge it for 3-5 hours after this process to ensure it is fully charged.

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