CN217875810U - Full-automatic thermal deaerator control device for steam boiler - Google Patents
Full-automatic thermal deaerator control device for steam boiler Download PDFInfo
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- CN217875810U CN217875810U CN202221968651.6U CN202221968651U CN217875810U CN 217875810 U CN217875810 U CN 217875810U CN 202221968651 U CN202221968651 U CN 202221968651U CN 217875810 U CN217875810 U CN 217875810U
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- deaerator
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Abstract
The utility model relates to an automatic control system technical field specifically is a full-automatic thermal power oxygen-eliminating device controlling means for steam boiler, include: the pressure sensor is fixedly arranged on the outer surface of the upper end of the deaerator; the central controller is internally connected with a second pressure detection circuit, and one end part of the second pressure detection circuit, which is far away from the central controller, is connected with the pressure sensor; the end part of the outlet end of the deaerating water pump is connected to the inside of the deaerator; the beneficial effects are that: the full-automatic thermal deaerator control device for the steam boiler can quickly and effectively carry out dynamic response, obtain stable system control, fully automatically control the steam inlet pressure and temperature of the main steam pipeline, accurately adjust the steam inlet flow of the electric valve and obtain efficient deaerating effect.
Description
Technical Field
The utility model relates to an automatic control system technical field specifically is a full-automatic thermal-power oxygen-eliminating device controlling means for steam boiler.
Background
The steam boiler is a thermal device which transfers heat energy released after fuel combustion or waste heat in industrial production to water in a container to make the water reach required temperature or certain pressure steam;
the boiler is carried out on a boiler and a furnace at the same time, after water enters the boiler, the boiler heating surface in a steam-water system transfers absorbed heat to water, so that the quality of the water entering the boiler is ensured, the existing water contains a certain proportion of oxygen, a certain amount of oxygen can be separated from the water in the heating process, the boiler heats the water with the oxygen for a long time, the surface of the boiler can be subjected to oxygen corrosion, and the service life of the boiler is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a full-automatic thermal deaerator controlling means for steam boiler to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a full-automatic thermal deaerator controlling means for steam boiler, a full-automatic thermal deaerator controlling means for steam boiler includes:
the pressure sensor is fixedly arranged on the outer surface of the upper end of the deaerator;
the central controller is internally connected with a second pressure detection circuit, and one end part of the second pressure detection circuit, which is far away from the central controller, is connected with the pressure sensor;
the end part of the outlet end of the deoxygenation water pump is connected to the inside of the deaerator.
Preferably, be provided with the oxygen-eliminating device entry under pressure sensor, the oxygen-eliminating device entry sets up the surface at the oxygen-eliminating device, and the one end tip that the oxygen-eliminating device was kept away from to the oxygen-eliminating device entry is connected with the steam pipe import through the pipeline, is provided with main steam electric control valve between oxygen-eliminating device entry and the steam pipe import, and main steam electric control valve installs inside the pipeline between steam pipe import and oxygen-eliminating device entry.
Preferably, the internal connection of main steam electric control valve has the one end tip of first pressure detection circuit, the one end connection that main steam electric control valve was kept away from to first pressure detection circuit is to the inside of central controller, central controller controls main steam electric control valve through first pressure detection circuit, and one side of central controller is connected with the temperature detection circuit, the one end tip fixed connection that central controller was kept away from to the temperature detection circuit is in the inside of supplementary steam solenoid valve, central controller controls supplementary steam solenoid valve through the temperature detection circuit.
Preferably, the auxiliary steam electromagnetic valve is arranged on the surface of the pipeline between the steam pipeline inlet and the deaerator auxiliary heating port, the deaerator auxiliary heating port is fixedly arranged on the outer surface of the bottom end of the deaerator, and the auxiliary steam electromagnetic valve is located on the outer surface of one end, close to the deaerator auxiliary heating port, of the pipeline.
Preferably, the internal connection of central controller has the liquid level detection module, the one end tip fixed connection that central controller was kept away from to the liquid level detection module is in level sensor's inside, level sensor sets up on the inside storage water tank of oxygen-eliminating device, and central controller passes through the liquid level detection module and detects level sensor, and level sensor is located the oxygen-eliminating device and assists under the heating port, one side external fixation that level sensor was kept away from to the oxygen-eliminating device is provided with the overflow solenoid valve, oxygen-eliminating device fixed surface is provided with temperature sensor, temperature sensor keeps away from the one end of oxygen-eliminating device and passes through the inside that temperature detection circuit connected to central controller.
Preferably, a steam balance port is formed in the upper surface of the bottom end of the deaerator and communicated with the interior of the deaerator, a water balance port is formed in the side wall of the deaerator, which is far away from the steam balance port, on one side, the steam balance port and the water balance port are symmetrically distributed by taking the bottom end of the deaerator as a center, a water level gauge is arranged on one side of the steam balance port and is of a '21274', two ends of the water level gauge are communicated with the interior of the deaerator, a sampling port is formed in the surface of the deaerator, which is far away from the water balance port, on one side, the sampling port is communicated with the deaerator, and the sampling port is located right below an auxiliary heating port of the deaerator.
Preferably, the outlet end of the deaerating water pump is connected with a make-up water inlet through a pipeline, the make-up water inlet is fixedly arranged on the side wall of the deaerator, the make-up water inlet is communicated with the inside of the deaerator, the deaerating water pump is communicated with the deaerator through the make-up water inlet, and the inlet of the deaerating water pump is connected with the softening water tank.
Preferably, the inside fixedly connected with liquid level control module of deoxidization water pump, the one end tip fixedly connected with liquid level control circuit of deoxidization water pump is kept away from to liquid level control module, and liquid level control circuit keeps away from the one end tip fixed connection of liquid level control module in central controller's inside, and central controller passes through liquid level control module and controls the deoxidization water pump.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a full-automatic thermal power oxygen-eliminating device controlling means for steam boiler carries out dynamic response fast effectively, obtains stable system control, and full automatic control main steam pipeline admission pressure and temperature accurately adjust the admission flow of motorised valve, obtain efficient deoxidization effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: pressure sensor 1, level sensor 2, temperature sensor 3, deoxidization water pump 4, main steam electrical control valve 5, supplementary steam solenoid valve 6, overflow solenoid valve 7, central controller 8, steam conduit import 9, oxygen-eliminating device entry 10, make-up water entry 11, oxygen-eliminating device 12, oxygen-eliminating device auxiliary heating mouth 13, vapour balance mouth 14, water balance mouth 15, sample connection 16, temperature detection circuit 17, first pressure detection circuit 18, liquid level control circuit 19, liquid level detection module 20, second pressure detection circuit 21, fluviograph 22, soften water tank 23, liquid level control module 24, temperature detection circuit 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a full-automatic thermal deaerator controlling means for steam boiler, a full-automatic thermal deaerator controlling means for steam boiler includes:
pressure sensor 1, pressure sensor 1 is fixedly installed on the outer surface of the upper end of deaerator 12, deaerator inlet 10 is arranged right below pressure sensor 1, deaerator inlet 10 is arranged on the outer surface of deaerator 12, and the end portion, far away from deaerator 12, of deaerator inlet 10 is connected with steam pipeline inlet 9 through a pipeline, main steam electric control valve 5 is arranged between deaerator inlet 10 and steam pipeline inlet 9, main steam electric control valve 5 is installed inside the pipeline between steam pipeline inlet 9 and deaerator inlet 10, the inside of main steam electric control valve 5 is connected with the end portion of first pressure detection circuit 18, the end portion, far away from main steam electric control valve 5, of first pressure detection circuit 18 is connected to the inside of central controller 8, central controller 8 controls main steam electric control valve 5 through first pressure detection circuit 18, and one side of central controller 8 is connected with temperature detection circuit 25, the end portion, far away from central controller 8, of temperature detection circuit 25 is fixedly connected to the inside of auxiliary steam electromagnetic valve 6, central controller 8 is connected with the end portion, far away from central controller 8, is connected to the end portion, which is located at the outer surface of deaerator 13, auxiliary steam heating electromagnetic valve 13 is arranged at the outer surface of deaerator inlet 12;
a central controller 8, a second pressure detection circuit 21 is connected inside the central controller 8, one end of the second pressure detection circuit 21 far away from the central controller 8 is connected with a pressure sensor 1, a liquid level detection module 20 is connected inside the central controller 8, one end of the liquid level detection module 20 far away from the central controller 8 is fixedly connected inside a liquid level sensor 2, the liquid level sensor 2 is arranged on a water storage tank inside a deaerator 12, the central controller 8 detects the liquid level sensor 2 through the liquid level detection module 20, the liquid level sensor 2 is positioned right below an auxiliary heating port 13 of the deaerator, an overflow electromagnetic valve 7 is fixedly arranged on the outer surface of one side of the deaerator 12 far away from the liquid level sensor 2, a temperature sensor 3 is fixedly arranged on the surface of the deaerator 12, one end of the temperature sensor 3 far away from the deaerator 12 is connected to the inside of the central controller 8 through a temperature detection circuit 17, a steam balance port 14 is arranged on the upper surface of the bottom end of the deaerator 12, the steam balance port 14 is communicated with the inside of the deaerator 12, a sampling meter 16 is arranged on one side wall of the side far away from the steam balance port 14, and a sampling meter 16 is symmetrically arranged on one side of the deaerator 12, and a sampling meter 16 is arranged on one side far away from the bottom of the deaerator 16;
The quantity of gas dissolved in water is in direct proportion to the partial pressure of gas on the water surface, and the main method of thermal deoxygenation is adopted, namely, steam is used for heating water supply, the temperature of water is increased, the partial pressure of steam on the water surface is gradually increased, the partial pressure of dissolved gas is gradually reduced, the gas dissolved in water continuously escapes, when the water is heated to the boiling temperature under the corresponding pressure, all the gas on the water surface is the steam, the partial pressure of the dissolved gas is zero, the water no longer has the capacity of dissolving the gas, namely, the gas dissolved in the water, including oxygen, can be removed.
When the steam deaerator is used, a signal of the pressure sensor 1 is uploaded to the central controller 8, then the opening and closing degree of the main steam electric regulating valve 5 is adjusted through the central controller 8, so that the steam admission quantity of an inlet 10 of the deaerator entering the deaerator 12 is controlled, the steam pressure is automatically maintained to be 0.018-0.025 MPa, whether the temperature inside the deaerator 12 reaches a specified temperature is detected through the temperature sensor 3 arranged on the surface of the deaerator 12, if the temperature does not reach the specified temperature, the temperature sensor 3 sends a signal to the central controller 8, the central controller 8 controls the auxiliary steam electromagnetic valve 6 to be opened, steam inside a steam pipeline inlet 9 enters the deaerator 12 through the auxiliary steam electromagnetic valve 6, so that the steam admission temperature is maintained to be about 104 +/-1.5 ℃, the liquid level sensor 2 is arranged on a water storage tank inside the deaerator 12, a water level signal detected by the liquid level sensor 2 is sent to the central controller 8, the central controller 8 controls the start and stop of the deaerator water pump 4, and when the deaerator is reduced, the water level is automatically started and the water level is supplied to the deaerator 12; when the water level rises, the deoxygenation water pump 4 automatically stops;
the overflow solenoid valve 7 is installed on the lateral water seal position of the deaerator 12, and the purpose is to keep the deaerator 12 running stably by preventing overflow.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a full-automatic thermal deaerator controlling means for steam boiler which characterized in that: the full-automatic thermal deaerator control device for the steam boiler comprises:
the pressure sensor (1), the pressure sensor (1) is fixedly installed on the outer surface of the upper end of the deaerator (12);
the central controller (8), the inside of the central controller (8) is connected with a second pressure detection circuit (21), and one end part of the second pressure detection circuit (21) far away from the central controller (8) is connected with the pressure sensor (1);
the end part of the outlet end of the deoxygenation water pump (4) is connected with the inside of the deoxygenator (12).
2. The fully automatic thermal deaerator control device for steam boiler of claim 1, characterized in that: be provided with oxygen-eliminating device entry (10) under pressure sensor (1), oxygen-eliminating device entry (10) set up the surface at oxygen-eliminating device (12), and the one end tip that oxygen-eliminating device entry (10) kept away from oxygen-eliminating device (12) is connected with steam pipe import (9) through the pipeline, be provided with main steam electrical control valve (5) between oxygen-eliminating device entry (10) and steam pipe import (9), install inside the pipeline between steam pipe import (9) and oxygen-eliminating device entry (10) main steam electrical control valve (5).
3. The fully automatic thermal deaerator control device for steam boiler of claim 2, characterized in that: the internally connected of main steam electrical control valve (5) has the one end tip of first pressure detection circuit (18), the one end connection who keeps away from main steam electrical control valve (5) in first pressure detection circuit (18) is to the inside of central controller (8), central controller (8) are controlled main steam electrical control valve (5) through first pressure detection circuit (18), and one side of central controller (8) is connected with temperature detection circuit (25), the one end tip fixed connection that central controller (8) were kept away from in temperature detection circuit (25) is in the inside of supplementary steam solenoid valve (6), central controller (8) are controlled supplementary steam solenoid valve (6) through temperature detection circuit (25).
4. The fully automatic thermal deaerator control device for steam boiler of claim 3, characterized in that: auxiliary steam solenoid valve (6) set up the pipeline surface between steam conduit import (9) and oxygen-eliminating device auxiliary heating mouth (13), and oxygen-eliminating device auxiliary heating mouth (13) are fixed to be set up at the bottom surface of oxygen-eliminating device (12), and auxiliary steam solenoid valve (6) are located the pipeline and are close to the one end surface of oxygen-eliminating device auxiliary heating mouth (13).
5. The fully automatic thermal deaerator control device for steam boiler of claim 4, characterized in that: the internal connection of central controller (8) has liquid level detection module (20), the one end tip fixed connection that central controller (8) were kept away from in liquid level detection module (20) is in the inside of level sensor (2), level sensor (2) set up on the inside storage water tank of oxygen-eliminating device (12), and central controller (8) detect level sensor (2) through liquid level detection module (20), and level sensor (2) are located oxygen-eliminating device auxiliary heating mouth (13) under, one side external fixation that level sensor (2) were kept away from in oxygen-eliminating device (12) is provided with overflow solenoid valve (7), oxygen-eliminating device (12) fixed surface is provided with temperature sensor (3), the one end that oxygen-eliminating device (12) were kept away from in temperature sensor (3) is connected to the inside of central controller (8) through temperature detection circuit (17).
6. The fully automatic thermal deaerator control device for steam boiler of claim 5, characterized in that: the upper surface of the bottom end of the deaerator (12) is provided with a steam balance port (14), the steam balance port (14) is communicated with the interior of the deaerator (12), a water balance port (15) is arranged on the side wall of one side, away from the steam balance port (14), of the deaerator (12), the steam balance port (14) and the water balance port (15) are symmetrically distributed by taking the bottom end of the deaerator (12) as the center, a water level gauge (22) is arranged on one side of the steam balance port (14), the water level gauge (22) is of a '21274' type structure, two ends of the water level gauge (22) are communicated with the interior of the deaerator (12), a sampling port (16) is arranged on the surface of one side, away from the water balance port (15), of the deaerator (12), the sampling port (16) is communicated with the deaerator (12), and the sampling port (16) is located right below an auxiliary heating port (13) of the deaerator.
7. The fully automatic thermal deaerator control device for steam boiler of claim 6, wherein: the exit end of deoxidization water pump (4) has make-up water entry (11) through the pipe connection, and make-up water entry (11) are fixed to be set up the lateral wall at oxygen-eliminating device (12), and make-up water entry (11) are linked together with the inside of oxygen-eliminating device (12), and deoxidization water pump (4) are linked together with oxygen-eliminating device (12) through make-up water entry (11), and the import of deoxidization water pump (4) is connected with softened water tank (23).
8. The fully automatic thermal deaerator control device for steam boiler of claim 7, characterized in that: the inside fixedly connected with liquid level control module (24) of deoxidization water pump (4), the one end tip fixedly connected with liquid level control circuit (19) of deoxidization water pump (4) are kept away from in liquid level control module (24), and the one end tip fixed connection in the inside of central controller (8) of liquid level control module (24) is kept away from in liquid level control circuit (19), and central controller (8) are controlled deoxidization water pump (4) through liquid level control module (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968651.6U CN217875810U (en) | 2022-07-28 | 2022-07-28 | Full-automatic thermal deaerator control device for steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968651.6U CN217875810U (en) | 2022-07-28 | 2022-07-28 | Full-automatic thermal deaerator control device for steam boiler |
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| Publication Number | Publication Date |
|---|---|
| CN217875810U true CN217875810U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221968651.6U Active CN217875810U (en) | 2022-07-28 | 2022-07-28 | Full-automatic thermal deaerator control device for steam boiler |
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| CN (1) | CN217875810U (en) |
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- 2022-07-28 CN CN202221968651.6U patent/CN217875810U/en active Active
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