Heat generating installation

 

The invention relates to the field of power engineering and can be used in boilers. Heat generating plant comprises a steam boiler connected to the steam line and the pipeline blowdown water, vacuum deaerator connected to the piping of the source water and water used as a heating agent. In the water pipeline that is used as a heating agent, connected to the heater of a heating agent that is connected in the heating medium to the pipeline blowdown water steam boiler. The pipeline blowdown water after heater heating agent is connected to the source water heater. The invention improves the efficiency of heat-generating plants. 1 Il.

The invention relates to the field of power engineering and can be used in boiler plants.

Known counterparts - generating plant comprising a steam boiler connected to the steam line and the pipeline blowdown water deaerator connected to the piping of the source water and water used as a heating agent, the latter of which included a heater of a heating agent. For utilie installation the drawing and the description of him on page 401).

This analog adopted as a prototype.

The disadvantage of analogs and prototypes is reduced efficiency due to incomplete use of heat purge water and the necessity of applying for its utilization of special equipment - continuous blowdown separators.

The technical result achieved by the present invention is to improve efficiency in the heat generating unit for heat recovery from blowdown water without the use of special equipment.

To achieve this result, the proposed heat-generating installation comprising a steam boiler connected to the steam line and the pipeline blowdown water deaerator connected to the piping of the source water and water used as a heating agent, the latter of which included a heater of a heating agent.

A feature of the inventive installation is that the deaerator is made vacuum, heater heating agent is connected via the heating medium to the pipeline blowdown water from the steam boiler and pipeline blowdown water after heater heating agent is connected to pedigree-technical sources, and identification of sources containing information about the equivalents of the claimed invention, has allowed to establish that the applicant had not discovered similar, characterized by symptoms that are identical to all the existing elements of the claimed invention. The definition from the list of identified unique prototype, as the most similar in essential features analogue, has identified a set of essential towards the technical result of the distinctive features set forth in the claims.

Therefore, the claimed invention meets the condition of "novelty."

To verify compliance of the claimed invention the term "inventive step", the applicant conducted an additional search of the known solutions to identify signs that match the distinctive features of the prototype of the signs of declared facilities. The search results showed that the claimed invention not apparent to the expert in the obvious way from the prior art because the prior art defined by the applicant, not the influence provided the essential features of the claimed invention transformations to achieve a technical result. In particular, claimed from the at according to certain rules to achieve a technical result, in respect of which it is the effect of such additions.

Therefore, the claimed invention meets the condition of "inventive step".

Information confirming the ability of the invention to provide the above technical result are as follows.

Heat generating installation (see drawing) contains steam boiler 1 is connected to the steam pipe 2 and pipe blowdown water 3, the vacuum deaerator 4 with connected piping water source 5 and the water used as a heating agent 6. In the pipe 6 includes a heater of a heating agent 7, and in the pipeline 5 - source water heater 8. Heater heating agent 7 is connected via the heating medium to the pipeline blowdown water 3. The pipeline blowdown water after 9 heater heating agent 7 is connected via the heating medium to the heater water source 8. The tank 4 through the hot-water tank and a pump connected to the pipe network water 10.

The device operates as follows. Boiler 1 produces steam, which is supplied to the customer on the steam line 2. From the boiler is removed purge water through the pipeline 3. The heat load of the heating and hot is additional water, which deaeribed in vacuum deaerator 4. In the deaerator 4 served source water pipeline 5 and the heating agent through the pipeline 6, which prior to being fed into the tank 4 is heated in the heater 8 and 7 purge water that is fed into them through pipelines 9 and 3.

Thus, the proposed installation can increase the profitability of its operation due to the complete use of heat purge water for heating the heating agent and the source of water before the vacuum deaerator and exclusion from the scheme of special equipment for heat recovery from blowdown water separators continuous blowdown.

The above data confirm that the implementation of the use of the claimed install the following cumulative conditions: - the declared heat generating unit is designed for use in industry in the field of heat; for the stated installation, as described in the claims, confirmed the possibility of its implementation using the steps described in the application of tools and methods; - generating installation embodying the claimed invention, it is able to achieve the desired technical result is ign:center; margin-top:2mm;">Claims

Heat generating installation comprising a steam boiler connected to the steam line and the pipeline blowdown water deaerator connected to the piping of the source water and water used as a heating agent, the latter of which is connected to the heater of a heating agent, characterized in that the deaerator is made vacuum, heater heating agent is connected via the heating medium to the pipeline blowdown water of a steam boiler, pipeline blowdown water after heater heating agent is connected to the source water heater.

 

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FIELD: thermal engineering; thermal power stations.

SUBSTANCE: proposed operating process of thermal power station is as follows. Boiler-generated steam is conveyed to turbine wherefrom it is supplied to condenser for condensing it; full-flow condensate is delivered by means of condensate pump to low-pressure regenerative heaters and then to high-pressure deaerator; makeup water is deaerated in atmospheric-pressure deaerator and conveyed to full-flow condensate path, vented steam being discharged from atmospheric-pressure deaerator into atmosphere. Flowrate of vented steam discharged from atmospheric-pressure deaerator is regulated with respect to desired content of oxygen dissolved in mixed flow of makeup water and full-flow condensate beyond vacuum system of turbine unit, for instance downstream of low-pressure heater second along full-flow-condensate path.

EFFECT: enhanced economic efficiency and operating reliability of thermal power station.

1 cl, 1 dwg

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