boiler working principle ppt

 
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This boiler works on the basic principle of heat ex-changer. It is a natural circulation boiler which uses natural current to flow the water inside the boiler. In horizontal boiler,axis of shell is horizontal.Example : Lancashire boiler.There is only one fire tube present in single tube boiler and two or more tube is present in multi-tubular boilers.Cornism boiler is single tube boiler and Lancashire and locomotive boiler is multi-tubular boiler.5.

The heat is transfer from flue gases to the water through convection.

It is basically a shell and tube type heat ex-changer in which the flue gases flow through the tubes and the water flows through shell.

Hot gases are produced by burning fuel in the furnace.

It will be best to get out your note pad and write down what you read; after spending a short time learning it by heart, you will be able to show off your unexpected knowledge at the next family gathering. Example:Babcock and Wilcox boiler,La-mont boilerWhen the furnace is located inside the boiler she'll,called internally fired boiler and the furnace is located outside the boiler is called externally fired boiler.Lancashire boiler is an example of internally fired boiler and Babcock and Wilcox boiler is externally fired boiler.In vertical boiler,axis of shell is vertical .Example: Coachran boiler. MZT�4f�$V{�Uu��n�3�#� ]�1���1Su���y�j��9w��^慵�M��k۝�`זΝ�b�"��}��^ۢZˋ.�@���מ����b�� ����o���n��6��� ��-1���S����B�%�Z��z�7�zX��PXO�Z�ja�)�P�a!�C-l`=�j=,�[�A}l[�����lr Q�m����zC��lrj9�*+9�z �Em6U/2��A�t�_/-��P/2��AY�}֋�7ԋ�&wP5�z �E��Ef�;(��'�E��Ef�;���Eݗ��� �"��d��l����]��ͦ�Ef�;�����_T��^d6��l�Lζ�J6�ʀ�5�P��VYɷ��芹e���M_Ĕ8+�����L[�d��@��n�W��-����o8�&���U��M'P���]{H[@j����hA}���aOA(A}ג�����՞r6���A���l��ז�-��׆Z��z�7�zX�D �o,�[�P��XKJP��=�-����k{��@j8I�^����Β�����T�����C�JPoI��Z��Z*0�ZH��C �Y���7�� Closed system: when 100% of the steam produced is returned to be reused. It will produce maximum quantity of steam with minimum fuel consumption.2. n57|���=yEgK�d�iBA�&j-9��F��Z���v�d]6�]e���l6�Ż�ܴ{1..|�>���+R�L�p Then the air is entering into the combustion chamber through the atmosphere and fuel is sparked through fire hole. above the critical pressure of 225 bar). Therefore, the basic principle of the boiler is to convert water into steam by using heat energy. basically a closed vessel into which water is heated until the water is converted into steam at required pressure The joint should be few and accessible for inspection.According to the contents in the tube,steam boiler is two types.When hot gases and flames are passed through the tubes or multi-tubes which are surrounded by water, is called fire tube or smoke tube boiler.It is very simple small capacity type boiler and is used various industries for it's simplicity. �) �) �1 �1 �J �c �c1�Μ�� �� �� �� 1�� ��� �� 8 � ���� (� �|x�|����p�| �|� � `� �� t� t� �|p�|����m�|[��| g��|���w @ �� H � �� D� �� �|p��|����g��|\WC � ���w$ Z�0o����0o����0o�� �+ �AZD_ X| .gif � �  �� �� 4� �|��|������|��| ��|���w D�D �| �O �| o�H ����X| ��D �| s�D X| ��0n AtRNS���������������������������������������������������������������� 0U�� pHYs � ��.>� �IDATx^흉��6�;�k����v�=6!���u�-ے�5S�KMOw۲$ק�J�M��`i78Zڃ�??

Working principle of steam boiler. Working Principle. Then flue gases start flowing into the hemispherical dome-shaped combustion chamber. Related: Construction and Working Principle of Benson Boiler. These hot gases are made to come in contact with the water vessel where the heat transfer takes place between the water and the steam. Working principle of steam boiler is very very simple. It should be light weight and require small space.4. ́�Bw�:�:-�������[8]�*-V'�>�Ւ]m���X��c��u��x����Y-��QU��������̿����t���o1V������A��ezUm7�U�j9��n�^U� u��Z�l�[�W�vC]e��3��U��PW���̆�ezUm7�U�j9��n�^U� u��Z�l�[�W�vC]e��3��U��PW���̆�ezUm7�U�j9��n�^U� u��Z�l�[�W�vC]e��3��U��PW���̆�ezUm7�U�j9��n��Öӟ�2y.��MԈ�?��PJW63�=~&u���X���`�u1,l��ی3��6��ݻ�.4��luw��^�N�Z��֔�&�ogw_�*��J>@ Example:Cochran boiler,Lancashire boiler,Cornish boiler etc.In water tube boiler,water is circulated inside the tubes which are surrounded by flames or hot gases. 1 9 B J R Z c k s { � � � � � � � � � � � � � �! Fire Tube Boilers The combustion gases pass inside boiler tubes, and heat is transferred to water on the shell side. IHDR � ?

The boiler is a closed vessel in which the water is stored. An electric motor is used in an emergency situation for supplying water.

[ھ��z��� �^H�ݐ6Ԇz?�͙Z�6Ի��nN�Tm�wc�ݜ���P���9QS��ލvs��jC���DMՆz7�͉�� �n,��5U��X`7'j�6Ի��nN�Tm�wc�ݜ���P���9QS��ލvs��jC���DMՆz7�͉�� �n,��5Uj%��������� �������.f�3���Z�X`�fhW53��7���T>�I8K��Vjr�f5+�(h���*b_2Է�'�W���M�uwcu';��qq�E�� Working Principle. �@p� sRGB ��� PLTE���)))111999BBBRRRZZZcccsss{{{��������� ! ) Examples of closed systems are close steam heating, hot water heating, and “one-pipe” systems.

It works on the principle that the pressure of the water is increased to the supercritical pressure (i.e. 7 How an industrial boiler system works 8 The use of boiler systems in practice 10 Bosch Industriekessel 2 | Industrial boiler technology for beginners. The burner mixes the fuel and oxygen together and, with the assistance of an ignition device, provides a platform for combustion. For this reason, the boiler tube remains safe from intense heat. According to the circulation of boiler and steamWhen water in the boiler is circulated by natural connection currents produced by the application of heat,called natural circulation boilers and water is circulated forcefully by a centrifugal pump called forced circulation boilers.Lancashire,locomotive,and Babcock Wilcox boilers are natural boiler and benson ,voles boiler are forced circulation boilers.Stationary boiler is fixed boiler and does not move hear and there.It is used in various power plants. Working Principle of Cochran Boiler: The Cochran boiler works as same as other fire tube boiler.

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