• Perfect solutions

    for the power sector

The Power Industry

In the power industry sector, safety and efficiency are paramount.  As such, UWT level controls have been designed using the latest technology and knowledge.  The devices comply with all relevant national and international Ex certifications. UWT also designs custom solutions for reactors, confined spaces and for high temperature environments of up to 1100 ° C.

The challenge

Our customer in China required a reliable measurement technology for his 17,75-metres x 1,5-metres coal silos - at the same time retaining its optimal performance under very dusty and noisy conditions. Furthermore, the new measurement technology should be easy to install and parameterize.

Our solution

For this application the UWT NIVOBOB NB3200 represents the ingeniously simple solution. In a dusty environment, the electromechanical lot operates absolutely reliable. Due to the integrated conveyor belt cleaner dust and further contamination cannot penetrate into the mechanical area. The sensor has a modbus RTU interface and also an analog 4-20mA level signal, which can be implemented in any plc. The Nivobob NB3200 is robust and developed for long term operation in heavy applications.

Products

With the following products our customer has solved this measurement task optimally:

NB 3200 Tape Version

Continuous Level Measurement

  • Suitable for use in most bulk materials.
  • Integrated tape cleaner to remove aherent materials.
  • Mounting with threaded or flange connection.
  • Measuring range up to 50m.
  • Convenient level monitoring via Modbus interface together with cost competitive Nivotec 3500/4500.

The Challenge

A company from Portugal required a continuous contents measurement for their silos. In their power station coal is used to heat the steam turbine when generating electricity. Clinker is produced as a by-product of this process. The challenge was to find a system which can measure reliably even in this extremely dusty and harsh environment. Ease of use and ease of installation were further pre-requisite asked for by the customer.

Our Solution

The electromechanical level sensor NIVOBOB NB3200 fully fulfils the wishes of our customer. Our reliable NB3200 offers a great measurement accuracy even in extremely dusty environments and is not affected by the harsh conditions within the silo. The installation of the NB3200 is quick and easy and the unit can be put into operation immediately after installation. The unit has a tape cleaner to protect against dust in the housing.

Products

With the following products our customer has solved this measurement task optimally:

NB 3200 Tape Version

Continuous Level Measurement

  • Suitable for use in most bulk materials.
  • Integrated tape cleaner to remove aherent materials.
  • Mounting with threaded or flange connection.
  • Measuring range up to 50m.
  • Convenient level monitoring via Modbus interface together with cost competitive Nivotec 3500/4500.

The Challenge

Our customer is located at the west coast on the peninsular Malaysia. He required a reliable level control for his coal dugouts. Those dugouts store the fuel for the steam turbines generators. There annual demand for coal in this power plant is 3,2 million tons. The particular challenge is to guarantee the reliable measurement in a very dusty and rough application wand an easy set-up of the sensors. The so far used acoustic wave technologies could not deliver reliable results.

Our Solution

The UWT lot NB3200 fulfills all of the requirements. The action safe NB offers precise measuring results even in the dusty environment. It is not influenced by the rough conditions in the silo. The NB3200 is ready for use after a simple set-up. The nozzle of the Nivobob was configured with a length of 1500mm because of the very thick silo roof.

Products

With the following products our customer has solved this measurement task optimally:

NB 3200 Tape Version

Continuous Level Measurement

  • Suitable for use in most bulk materials.
  • Integrated tape cleaner to remove aherent materials.
  • Mounting with threaded or flange connection.
  • Measuring range up to 50m.
  • Convenient level monitoring via Modbus interface together with cost competitive Nivotec 3500/4500.

The challenge

One of the largest coal power producers in Ireland was looking for a limit switch in several ESP filters as a high-alarm sensor. They needed a sensor that reliably detects the filter dust. The special challenge was the high process temperature in combination with the very aggressive filter dust from coal combustion. Most of the sensors on the market failed in this application.

Our solution

The high-temperature version of the UWT rotating paddle switch ROTONIVO RN3004 can solve this application. It has a dust-proof high temperature bearing and sealing. Thus the sensor has a long lifetime.

Products

With the following products our customer has solved this measurement task optimally:

RN 3004 Horizontal Tube Extension

Full, Demand, Empty Detector
Protection tube version

  • Horizontal, vertical and diagonal installation.
  • Extremely robust due to protection tube, able to withstand heavy mechanical load.

The Challenge

At the moment a Power Plant, in the region of Vitebsk, uses local fuel in order to replace imported gas. The fuel is a mixture of wood chips and turf. The power plant was built in 1930 and has been the first power generator in Belarus. The limit detection in the storage silo requested a reliable level control system. The modern plant also allows the process of circulating fluidized bed combustion.

Our Solution

The level control is fulfilled by the rotating paddle switch of series ROTONIVO RN3000. The sensors need to withstand high temperature and are designed with a special bearing and sealing. Also a motor with an increased turning moment belongs to the equipment. This prevents damages of the build-up resin. With this special construction a reliable function of the whole plant is guaranteed. The system is maintenance-free.

Products

With the following products our customer has solved this measurement task optimally:

RN 3004 Horizontal Tube Extension

Full, Demand, Empty Detector
Protection tube version

  • Horizontal, vertical and diagonal installation.
  • Extremely robust due to protection tube, able to withstand heavy mechanical load.

The challenge

Our customer has used a TDR technology so far in order to control the level of lime stone powder in his power plant. After a successful trial he even wanted to exchange the radar units with a reliable and suitable measuring system of UWT.

Our solution

The best solution is our electromechanical lot system NIVOBOB NB3000 of UWT. Besides the high reliability, the simplicity of installation and set-up have convinced the plant operator. The great cost-/performance ratio has been the decisive benefit.

Products

With the following products our customer has solved this measurement task optimally:

NB 3100 Rope Version

Continuous Level Measurement

  • Suitable for use in most granular and coarse bulk materials.
  • Threaded or flange mounting.
  • Measuring range up to 30m.
  • Convenient level monitoring via Modbus interface together with price competitive Nivotec 3500/4500.

The Challenge

A Taiwanese power plant already has tried various technologies for the level control in fly ash silos. However, they did not receive precise and reliable results. Therefore, they asked UWT for a reliable and maintenance-free solution. The difficulty within this application is the very light and sulfurous (aggressive!) material. Above, the application is very dusty.

Our Solution

The perfect solution for this application is the lot system of UWT NIVOBOB NB3000. This system has already solved many other applications worldwide for many years. The main advantage is the easy set-up, a long lifetime and the reliable functionality. For very light materials combined with high process temperatures UWT offers special weights (spider) which offers precise measuring results. The integrated tape cleaner saves the mechanics from dust and damages caused by aggressive materials.

Products

With the following products our customer has solved this measurement task optimally:

NB 3200 Tape Version

Continuous Level Measurement

  • Suitable for use in most bulk materials.
  • Integrated tape cleaner to remove aherent materials.
  • Mounting with threaded or flange connection.
  • Measuring range up to 50m.
  • Convenient level monitoring via Modbus interface together with cost competitive Nivotec 3500/4500.

The Challenge

The operator of a coal fired power plant in China is looking for reliable fulle detectors in a economizer process hopper. The particular challenge were the high process temperature combined with the very strong mechanical impact and dust environment.

Our Solution

The application was solved with a capacitive probe RFnivo 3300. The RF probe can be used in process temperatures up to 500 ° C. The product-contacting probe parts are dust- and pressure-tight. The high sensitivity of the limit switch results in a reliable and fast fullalarm of the processhopper. From a product Dk value of 1.5 the RF3300 can be used. With fly ash, one is far above it, so here also functional and process safety is ensured. All in all, the perfect probe for level measurement in fly ash.

Products

With the following products our customer has solved this measurement task optimally:

RF 3300

RF3300 High Temperature Version

Full, Demand, Empty Detector

  • Suitable for process temperatures of up to 500°C

Shaft selectable as
- Rod version (vertical, horizontal, oblique installation)
- Cable version (vertical installation)

Both versions are available as remote version (i.e. for use in applications/processes with heavy vibration).

The Challenge

A coal fired power plant in Spain has to control blockage level in 12 hoppers of the conveyor belt with constant filling of 10-20mm stones of coal in a hazardous area. Therefore, it was important for the measurement technology to operate reliably in a dusty environment and works with the punches of stones.

Our Solution

The capacitive level limit switch RFnivo RF3100 series has satisfied all the special requirements for the application. It was a extremely robust stainless steel cable extension, for that reason, easily adjustable for every container. The solution with flexible stainless steel cable was very adequate to work with the filling of stones of coal. The housing is built to IP67 safety standard as well as the ATEX approval thus making the RFnivo a perfect solution for this application.

Products

With the following products our customer has solved this measurement task optimally:

RF 3100

RF3100 Standard Version

Full, Demand, Empty Detector

Shaft is selectable as
- Rod version (vertically, horizontally and oblique installation)
- Cable version (vertical installation)

Both versions are available as remote version (i.e. for use in applications/processes with heavy vibration)

The Challenge

Our customer required a full detection in a wood gasifier reactor. The core of the plant is a reactor that produces the gas for the conversion into electricity by cooking wood chips. The particular challenge are the temperatures of up to 600°C. Above, tar condensates can damage the function of the measurement system.

Our Solution

The rotating paddle switch of series ROTONIVO RN6002 fulfills all of the extreme requirements. The sensitivity and the torsional of the limit switch are adjusted to the bulk dense of the wood chips and the sticky tar condensate. The extension of the rotating paddle switch is designed with high temperature bearings and sealing to safe the mechanics from ash and dust. UWT delivered a reliable detection and lifetime with this unit.

Products

With the following products our customer has solved this measurement task optimally:

RN 6002 Tube Extension

Full Detector
Vertical tube extension version

  • Vertical or oblique installation.
  • Protection tube ensures the device can withstand high mechanical loads.
  • Increased space within housing allows for ease of access for wiring.
  • Flameproof version available for use within potentially explosive atmospheres (gas).
  • SIL 2 certified.
  • Height adjustable.

The Challenge

A manufacturer of wood gasifier systems had the application of an empty detection in a reactor vessel. The sensor should reliably detect ash. The process temperature range is up to 250 ° C. The application is sticky and very dusty. The sensor should therefore be robust, insensitive but sensitive enough to guarantee a reliable empty detection of the reactor.

Our Solution

A rotary sensor with a graphite shaft seal is used, which can withstand temperatures up to 350 ° C. The extension of the sensor is made of stainless steel. The sensitivity is 100g / l. An advantage of the rotary paddle detector is that it functions reliably despite caking.

Products

With the following products our customer has solved this measurement task optimally:

RN 6004

Full, Demand, Empty Detector
Protection tube version

  • Horizontal, vertical and obligue installation.
  • Extremely robust due to protection tube, able to withstand heavy mechanical load.
  • Increased space within housing allows for easy of access for wiring.
  • Flameproof version available for use within potentially explosive atmospheres (gas).
  • SIL 2 certified.
Contact

UWT GmbH

Westendstr. 5
87488 Betzigau, Germany
infouwt.de

Tel: +49 831 571 23 - 0
Fax:+49 831 571 23 - 10

Opening Hours
Monday to Friday from 0800 until 1700
Friday from 0800 until 1500
Via Fax or E-Mail around the clock

Sales & Technical Support
Sales Team D/A/CH Region
International Sales Team
Find your local Sales Office 

Contact
You can also get in touch via our contact form.

UWT Locations

Our offices - worldwide

UWT worldwide

UWT GmbH - Level Control

The UWT Headquarter in Betzigau

Westendstr. 5
87488 Betzigau, Deutschland

Tel: +49 831 57123-0
Fax: +49 831-57123-10

Contact: Kevin Walter
E-Mail: kevin.walteruwt.de
Website: www.uwt.de 

Route Planner

Adpro-Instruments / Member of UWT Group

Foundation of a production plant in Malta

 

Second UWT production plant in:

Paola, Malta

UWT (UK) Ltd

Foundation of the sales subsidiary UWT (UK) Ltd.

20 Main Road, Dorrington
SY5 7JW, Shrewsbury, Shropshire, UK

Tel:  +44 1743 718883
Fax: +44 1743 718883

Contact: Graeme Hughes
E-Mail: graeme.hughes(at)uwtuk.com
Website: www.uwtuk.com

UWT Level Controls LLC

Foundation of the joint venture with "UWT LLC"

4445 Malone Road
P.O. Box 18769
38118, Memphis TN, USA

Contact: Arne Watland
Tel: +1 901 531 6090
Fax: +1 901 531 6095

E-Mail: infouwtlevel.com
Website: www.uwtlevel.com

UWT Level Control India Pvt. Ltd.

The subsidiary in India

Head Office:
UWT Level Control India Pvt. Ltd.
Plot No 52 Udyog Vihar Phase-VI
Sector 37 122001
Gurgaon, Haryana, India

Phone: +91 124 412 1600
Fax: +91 124 412 1611 

Homepage: www.uwt-india.com

Contact: Sumit Majumder
Country Manager
sumit.majumderuwt-india.com
Mobile: +91 9830879115

Communication:
Flat – 3B, 9 Majhipara Road
James Long Sarani
Kolkata – 700 063, India


North Regional Office:
UWT Level Control India Pvt Ltd.
Plot No 52 Udyog ViharPhase-VI
Sector 37 122001
Gurgaon, Haryana, India

Phone: +91 124 412 1600
Fax: +91 124 412 1611 

Contact: Prakhar Kapoor
Asst. Area Manager
prakhar.kapooruwt-india.com
Mobile: +91 971 721 3939

West Regional Office:
UWT Level Control India Pvt Ltd.
RK Plaza, Survey No. 206/3
Plot No. 17 Viman Nagar
Pune-411014, India

Phone: +91 202 674 1000
Fax: +91 202 674 1001 

Contact: Vikas Kirange 
Area Manager
vikas.kirangeuwt-india.com
Mobile: +91 8698904455 

East Regional Office:
UWT Level Control India Pvt. Ltd.
Flat – 3B, 9 Majhipara Road
James Long Sarani
Kolkata – 700 063, India

Contact: Sunirmal Bardhan
Regional Manager
sunirmal.bardhanuwt-india.com
Mobile: +91 9830400715

Central Regional Office:
UWT Level Control India Pvt. Ltd.
House No. 221, Rudralaya, (2nd Floor)
Sec – 1, Professor Colony, Near Sarvodaya High School
Raipur – 492001
Chhattisgarh, India

Contact: Mr. Shuvankar Das
Area Manager
shuvankar.dasuwt-india.com
Mobile: +917470775521

UWT RUS Level Measurement LLC

Foundation of the sales subsidiary UWT RUS Level Measurement

Dorozhnaya St., 8 b. 1, Of. K2-110
117545 Moskau
Russian Federation

Phone: +7 499 723-75-73

Contact: vasiliy.galaganuwtlevel.ru


Homepage: www.uwtlevel.ru

UWT International Trading (Shanghai) Co., Ltd.

UWT China moves into new premises

1st Floor, Plant No. 7,
Lane 333, Zhujian Road
Huacao Town, Minhang District
201107, Shanghai, China

Tel: +86 216 4684193
Fax: +86 216 4696707

Contact: Wei Gao
E-Mail: wei.gao(at)uwt.cn
Website: www.uwt.cn