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Direct Steam Injection Heating Applications for Pulp & Recovery

In today’s global market your pulp mill needs every competitive advantage possible.

Hydro-Thermal heating systems will maximize your uptime with their minimal maintenance requirements and high reliability. The precise temperature control and non-scaling operation will improve your product quality and ensure consistency and production efficiency. Hydro-Thermal’s technology works by mixing steam and process liquids completely while delivering consistent temperature and instantaneous heating. For more information on our advanced direct steam injection technology, click here.

Get a Quote

Section Title: Hydroheater Applications for Paper Production
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Learn More 1: Learn more about our
Learn More 1 Link: http://www.hydro-thermal.com/products
Learn More 1 Link Text: products & how they can help your business.
Learn More 2: Learn more about our
Learn More 2 Link: https://www.hydro-thermal.com/how-it-works/what-is-direct-steam-injection.html
Learn More 2 Link Text: patented direct steam injection technology.
Learn More 3: Interested in a more efficient inline hydro heating system?
Learn More 3 Link: http://www.hydro-thermal.com/get-a-quote.html
Learn More 3 Link Text: Fill out a quote today!
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Resource 1: PulpnPaper_Fluid_Process_Heating.pdf
Resource 1 Title: Overview of pulp and paper applications
Resource 2: Hydroheater_industrial_Applications-302.pdf
Resource 2 Title: Overview of the Industrial Hydroheater
Resource 3: Product_Information_Solaris_Viscous_Slurries.pdf
Resource 3 Title: Overview of the Solaris and how it can handle viscous slurries
Product 1 Title: Direct steam injection heating utilizing the Hydroheater
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Product 1 Description:
Whether you are in the paper and pulp industry or any other industry, Hydro-Thermal’s heating solutions will assure you saving energy costs, reducing maintenance down-time, and more. Our direct steam injection heating solutions are 15-30% more efficient than heat exchangers or spargers. Using 100% of the steam’s energy and decreasing your maintenance and production cost, Hydro-Thermal’s Hydroheaters are an easy choice.

With instantaneous heating when you need it, our products are ideal for anywhere maintaining a precise temperature is critical. Our most popular heating applications for paper and pulp production include:

WHITEWATER CHEST OR SILO HEATING:
- The venturi pumping effect of our Hydroheater design allows for simple installation, utilizing inline heating to avoid steam hammer, tank damage, and energy losses associated with sparging.
- Whitewater or any process water used in the paper making machine process, can be heated by Hydro-Thermal technology. Hydro-Thermal can help you maintain or increase water temperature. Achieving higher water temperature (ideally 120-140˚F) can improve drainage on the wet end of the paper machine which ultimately increases machine speed. In addition, higher temperatures can improve water removal in the press section of the machine, and reduces bacterial growth.
- Click here to learn more about whitewater heating:
WHITEWATER PROCESS STREAM HEATING (NON-VENTURI PUMPING)
- Effectively mix large quantities of steam for rapid temperature increase of the entire whitewater system, including header overflow, screen rejects, or seal pit return.
- Hydro-Thermal can help you maintain or increase whitewater or process water temperature used on the paper machine. Improve drainage on the wet end of the paper machine to ultimately increase machine speed. The use of higher temperatures (ideally 120-140˚F) can also reduce bacterial growth and improve water removal in the press section of the machine.
- Click here to learn more about whitewater process stream heating:
OTHER FRESH WATER USES AROUND WET END
- Improve production efficiency and sheet quality. Felt and wire showers benefit from tempered water for improved cleaning and elimination of temperature stratification. Head box and other roll showers benefit from heating/tempering water to match whitewater temperature. By having uniform temperature that matches whitewater temperature, there is a consistent temperature profile on the machine. In turn, the machine runs more consistently which increases production quality.
- Hydro-Thermal technology can heat whitewater or process water used on the paper machine. Maintaining or increasing water temperature (ideally 120-140˚F) can help increase machine speed. These higher temperatures can improve drainage on the wet end of the paper machine, as well as improve water removal in the press section of the machine. Another added benefit is the reduction in bacterial growth.
- Click here to learn more about fresh water uses around the wet end:
REPULPER/RECYCLED FIBER HEATING
- Reduce pulping time or eliminate the need to sparge into pulpers during operation by preheating fill water for repulpers. Improved contaminant removal and enhanced dewatering are also benefits.
- Most repulpers require heat to break up bails and wastepaper. Preheating is more efficient, because it will improve repulping time while avoiding direct sparging into the repulper. Water heating is at the core of Hydro-Thermal’s applications, because precise and consistent temperature is a crucial part of manufacturing especially in the processing of paper.
- Click here for a case study on recycled fiber heating.
HYDROHEATER STARCH COOKING
- Many types of starches can be processed with inline cooking for size press, wet end, and coating starches/slurries. Complete systems can incorporate automated flush and preheat cycles, cooked and final starch solids control, hold tube retention time, and back pressure control.
- Hydro-Thermal’s technology allows paper manufacturers to use continuous or semi-batch processing compared to the traditionally used batch cooking. Exact temperature produces a quality starch cook that provides uniform and consistent results. Ultimately, sheet properties, coating quality, and surface quality are all improved.
- Learn more about Industrial Starch Cooking using Hydroheaters
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Direct Steam Injection Heating for Pulp Processing & Paper Production

Ensuring Efficiency & Reliability in Pulp and Paper Production

Using Hydro-Thermal's heating systems for pulp and paper production will maximize your uptime with their minimal maintenance requirements and high reliability. Our precise temperature control and non-scaling operation will improve your product quality, ensure consistency and production efficiency. Replace your sparging system today and experience the best in inline heating.

Hydro-Thermal’s technology works by mixing steam and process liquids completely while delivering consistent temperature and instantaneous heating. Learn more about our whitewater heating, recycled fiber heating, and Jetcooker starch cooking. Click here for more information on our advanced direct steam injection technology.

How is Water Used in Paper Manufacturing?

Within the paper manufacturing process, water plays a huge role from the start to finish. Whether it’s to transport components of paper, to assist in cooking wood chips into pulp, washing pulpwood and machines, or being used as a source of heat during heat transfer. The heat transfer is where Hydro-Thermals Hydroheater comes into the paper making machine process. Our heaters can not only provide you with precision heat, but can help do so at a much more efficient rate than our competition.

Get a Quote

Main Title: Case Study
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Case Studies Title: Paper Machine - Whitewater Heating
Case Studies Text:
An upper Midwest, USA, specialty paper mill, that has been in business for over 125 years, needed to heat whitewater and fresh water tanks for paper machines that make multiple grade changes each day.

Read more about what direct steam injection solution they chose by clicking here.
Learn More 1: For more information about paper heating
Case Studies Image:
Learn More 1 Link: http://www.hydro-thermal.com/paper-production
Learn More 1 Link Text: click here.
Learn More 2: For more information on our patented direct steam injection technology,
Learn More 2 Link: https://www.hydro-thermal.com/how-it-works/what-is-direct-steam-injection.html
Learn More 2 Link Text: click here.
Learn More 3: Looking for a quote? Fill out
Learn More 3 Link: http://www.hydro-thermal.com/get-a-quote.html
Learn More 3 Link Text: this form.
Slideshow Image 4:
Resource 1: WhitewaterHeating-PaperMachine.pdf
Resource 1 Title: Whitewater Heating Overview
Resource 2: PulpnPaper_Paper_Machine_Whitewater.pdf
Resource 2 Title: Hydroheater used for Whitewater
Resource 3: PulpnPaper_Paper_Machine_Whitewater_Solaris.pdf
Resource 3 Title: Solaris used for Whitewater
Resource 4: PulpnPaper_Stevens_Point_Whitewater.pdf
Resource 4 Title: UW-Steven's Point - Whitewater case study
Resource 5: PulpnPaper_White_Water_Heating.pdf
Resource 5 Title: Whitewater case study
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Whitewater Heating for Improved Paper Machine Performance

With direct steam injection technology, paper producers can heat the whitewater loop using plant or waste steam including the silo, whitewater chest, or the whitewater storage tank. Otherwise, producers can heat other water uses on the paper machine to match the whitewater temperature including headbox rolls, wire showers, and press section showers.

At the heart of the application is the Industrial Hydroheater design that uses high velocity steam injection for heating of the whitewater, but also creates the pumping of an eductor. This Venturi effect will provide a self-recirculating flow of whitewater through the Hydroheater and pump it back into the silo or chest. Relatively low pressure steam (35 psig or greater) can be used for heating your whitewater, efficiently capturing this energy that may otherwise be vented as waste steam.