CN216384147U - Boiler steam condensate recovery system - Google Patents
Boiler steam condensate recovery system Download PDFInfo
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- CN216384147U CN216384147U CN202122894046.0U CN202122894046U CN216384147U CN 216384147 U CN216384147 U CN 216384147U CN 202122894046 U CN202122894046 U CN 202122894046U CN 216384147 U CN216384147 U CN 216384147U
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Abstract
The utility model relates to the technical field of condensate water recovery, in particular to a boiler steam condensate water recovery system.A condensate water detection tank is arranged, condensate water is detected at the inlet of the detection tank, and when the quality of the condensate water is normal, an electric control valve is communicated with a condensate water pipeline and a second pipeline, so that the condensate water and softened water flow back to a boiler through the second pipeline, a deaerator and a third pipeline; when the heat exchanger oil leak, the quality of water of comdenstion water goes wrong, on-line measuring device signals, the direction of automatically controlled valve change valve, make comdenstion water pipeline and bypass pipe intercommunication, these problematic comdenstion water discharge to sewage treatment system through the bypass pipe, only the demineralized water flows back in the boiler this moment, through the aforesaid setting, make comdenstion water and demineralized water pass through the testing stage before combining, guarantee the quality of water of comdenstion water normal, can not cause the pollution to the demineralized water, more can not make contaminated comdenstion water enter into the boiler, guarantee the normal operating of boiler.
Description
Technical Field
The utility model relates to the technical field of condensate water recovery, in particular to a boiler steam condensate water recovery system.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. In an industrial boiler steam power system, steam generated by a boiler heats materials in a workshop, the steam forms condensed water after heat exchange through a heat exchanger, and then the condensed water is recycled to the boiler through an external pipeline to generate steam again.
In the prior art, as shown in fig. 2, steam is heat-exchanged by a heat exchanger to form condensed water, the condensed water is discharged from the heat exchanger and enters a condensed water tank (01), then the water is combined with softened water in a softened water tank (02) through a pipeline and flows back to the boiler together, when the heat exchanger breaks down, condensed water enters the boiler, the condensed water with oil is combined with softened water and then returns to the boiler, then the oil is emulsified at high temperature, so that the water is milk white, a large amount of foam is generated, the water level condition of the boiler room cannot be detected, the water in the water tank and the boiler needs to be replaced, but because the water tank and the boiler have large volumes, the replacement of the water in the water tank needs a large workload, which not only wastes water and time, and the influence on steam, pressure and the like in the boiler is great, so that water shortage of the boiler is easily caused, the boiler is burnt and exploded, and the normal production and other work of enterprises are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model provides a boiler steam condensate recovery system, which comprises a condensate water tank, a softened water tank, a condensate water detection tank, a deaerator and a boiler, wherein the condensate water tank is communicated with the softened water tank; a first pipeline is communicated between the outlet of the condensed water tank and the inlet of the condensed water detection tank; a second pipeline is communicated between the outlet of the softened water tank and the inlet of the deaerator; a third pipeline is communicated between the outlet of the deaerator and the inlet of the boiler; an online detection device is arranged on the first pipeline, and the online detection device is arranged close to an inlet of the condensed water detection tank; the online detection device is used for detecting the quality of the condensed water; a condensed water pipeline is arranged between the pipe body part of the second pipeline and the outlet of the condensed water detection tank; an electric control valve is arranged on the condensed water pipeline; the electric control valve can be communicated with or used for sealing the condensed water pipeline and the second pipeline; a bypass pipe is arranged on the condensed water pipeline; the electric control valve can be communicated with or used for closing the condensed water pipeline and the bypass pipe; and the online detection device is in communication connection with the electric control valve.
Further, a first water pump is arranged on the first pipeline, and the first water pump is arranged close to an outlet of the condensed water tank; a second water pump is arranged on the second pipeline; the second water pump is arranged close to an inlet of the deaerator.
Furthermore, an emptying pipe is arranged at the top of the condensed water detection tank; one end of the emptying pipe is communicated to the top of the softened water tank.
Further, the electric control valve is a three-way valve; the three-way valve comprises an inlet and two outlets; the inlet is communicated with the condensed water pipeline; the two outlets are respectively communicated with the pipe body part of the second pipeline and the bypass pipe.
Further, the device also comprises a controller; the online detection device is electrically connected with the controller; the controller is electrically connected with the three-way valve; the controller may control opening and closing of the three-way valve.
The utility model has the advantages or beneficial effects that:
the boiler steam condensate recovery system provided by the utility model is characterized in that a condensate detection tank is arranged, condensate is detected at the inlet of the detection tank, and when the quality of the condensate is normal, an electric control valve is communicated with a condensate pipeline and a second pipeline, so that the condensate and softened water flow back to a boiler through the second pipeline, a deaerator and a third pipeline; when the heat exchanger leaks oil, the quality of the condensed water is in a problem, the on-line detection device sends a signal, the electric control valve changes the direction of the valve, so that the condensed water pipeline is communicated with the bypass pipe, the condensed water with the problem is discharged to the sewage treatment system through the bypass pipe, only softened water flows back into the boiler at the moment.
Drawings
The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.
FIG. 1 is a schematic diagram of a boiler steam condensate recovery system provided in embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a condensate recovery system in the prior art.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.
Example 1
In the prior art, steam forms condensed water after heat exchange through a heat exchanger, the condensed water comes out of the heat exchanger and enters a condensed water tank, then the condensed water is combined with softened water in a softened water tank through a pipeline and flows back to a boiler together, when the heat exchanger breaks down, the condensed water enters the oil, the condensed water with the oil is combined with the softened water and then returns to the boiler, then the oil is emulsified at high temperature, so that the water is milky, a large amount of foam is generated, the water level condition in the boiler cannot be detected, the water in the water tank and the boiler needs to be replaced, but because the water tank and the boiler are large in size, the water in the water tank needs to be replaced by a large amount of workload, the water is wasted, the time is wasted, the influence on the steam, the pressure and the like in the boiler is large, the water shortage of the boiler is easily caused, the boiler is burnt and the normal production and other works of enterprises are influenced.
In order to solve the above technical problem, the boiler steam condensate recovery system provided in this embodiment 1, as shown in fig. 1, includes a condensate water tank 1, a softened water tank 2, a condensate water detection tank 3, a deaerator 4, and a boiler 5; a first pipeline 6 is communicated between the outlet of the condensed water tank 1 and the inlet of the condensed water detection tank 3; a second pipeline 7 is communicated between the outlet of the softened water tank 2 and the inlet of the deaerator 4; a third pipeline 8 is communicated between the outlet of the deaerator 4 and the inlet of the boiler 5; an online detection device 9 is arranged on the first pipeline 6, and the online detection device 9 is arranged close to an inlet of the condensate water detection tank 3; the online detection device 9 is used for detecting the quality of the condensed water; a condensed water pipeline 10 is arranged between the pipe body part of the second pipeline 7 and the outlet of the condensed water detection tank 3; an electric control valve 11 is arranged on the condensed water pipeline 10; the electric control valve 11 can be communicated with or close the condensed water pipeline 10 and the second pipeline 7; a bypass pipe 12 is arranged on the condensed water pipeline 10; the electric control valve 11 can be communicated with or close the condensed water pipeline 10 and the bypass pipe 12; the online detection device 9 is in communication connection with the electrically controlled valve 11.
In this embodiment 1, by providing a condensed water detection tank 3 and detecting condensed water at an inlet of the detection tank, when the quality of the condensed water is normal, an electric control valve 11 communicates with a condensed water pipeline 10 and a second pipeline 7, so that the condensed water and softened water flow back to a boiler 5 through the second pipeline 7, a deaerator 4 and a third pipeline 8; when oil leaks from the heat exchanger and the quality of the condensed water is in trouble, the on-line detection device 9 sends a signal, the electric control valve 11 changes the direction of the valve to enable the condensed water pipeline 10 to be communicated with the bypass pipe 12, the condensed water with the problems is discharged to the sewage treatment system through the bypass pipe 12, only softened water flows back in the boiler 5 at the moment (the hardness of the softened water is lower, the scaling in the boiler 5 can be avoided, and the service life of the boiler 5 is influenced), the technical scheme that the original softened water (shown in figure 2) and the condensed water enter the same tank is changed in the embodiment 1, after the condensed water is detected through the on-line detection device 9, the quality of the condensed water is combined with the softened water through the condensed water detection tank 3 after being qualified, and finally the condensed water flows back to the boiler 5 (shown in figure 1), through the arrangement, the detection stage before the condensed water is combined with the softened water, and the quality of the condensed water is ensured to be normal, the softened water is not polluted, and polluted condensed water is not caused to enter the boiler 5, so that the normal operation of the boiler 5 is ensured.
Preferably, as shown in fig. 1, a first water pump 13 is provided on the first pipe 6, and the first water pump 13 is provided near an outlet of the condensed water tank 1; a second water pump 14 is arranged on the second pipeline 7; a second water pump 14 is provided adjacent the inlet of the deaerator 4. The setting of first water pump 13 is arranged in taking out the water in condensate water tank 1 in the workshop to first pipeline 6, begins to carry out the backward flow work, and second water pump 14 is arranged in taking out condensate water and demineralized water and carries out the deoxidization in the oxygen-eliminating device 4, goes out the dissolved oxygen of aquatic, avoids oxygen to produce the corruption to iron, guarantees boiler 5's normal operation work.
In the prior art, as shown in fig. 2, condensed water is discharged through a heat exchanger, flows into a softened water tank 02 through a condensed water tank 01 and a pipeline, and is then combined with softened water, because the temperature of the condensed water is high, and the softened water is normal-temperature water, the condensed water can preferentially stay above the softened water for a certain time, after mixing, the overall temperature of the condensed water can be reduced, which can cause a part of heat loss, resulting in a low heat utilization rate of the condensed water, however, in this embodiment 1, as shown in fig. 1, the volume of a condensed water detection tank 3 is small, the condensed water is always in a flowing state in the condensed water detection tank 3, the condensed water can preferentially enter a boiler 5 through a second pipeline 7, a deaerator 4 and a third pipeline 8 under the suction effect of a second water pump 14 after detection and discharge, the condensed water cannot stay, and directly enters the boiler 5, the utilization rate of the condensed water can be effectively improved.
Preferably, in the boiler steam condensate recovery system provided in embodiment 1, as shown in fig. 1, the top of the condensate detection tank 3 is provided with an emptying pipe 15; one end of the emptying pipe 15 is communicated to the top of the softened water tank 2. Through the setting of evacuation pipe 15, can make the comdenstion water detect jar 3 and soften water pitcher 2 and constitute the linker structure, the gas in the discharge tank for demineralized water and comdenstion water can discharge smoothly.
Preferably, in the boiler steam condensate recovery system provided in embodiment 1, the electrically controlled valve 11 is a three-way valve; the three-way valve comprises an inlet and two outlets; the inlet is communicated with a condensed water pipeline 10; the two outlets communicate with the shaft portion of the second pipe 7 and the by-pass pipe 12, respectively. The three-way valve has an excellent structure, and the flow direction of condensed water can be controlled only by changing the opening and closing of the valve.
Preferably, the boiler steam condensate recovery system provided in this embodiment 1 further includes a controller (not shown); the online detection device 9 is electrically connected with the controller; the controller is electrically connected with the three-way valve; the controller can control the opening and closing of the three-way valve. In this embodiment 1, the on-line detection device 9 detects that the quality of the condensed water is in a problem, and sends a signal to the controller, and the controller controls the three-way valve to perform corresponding actions.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A boiler steam condensate water recovery system is characterized by comprising a condensate water tank, a softened water tank, a condensate water detection tank, a deaerator and a boiler;
a first pipeline is communicated between the outlet of the condensed water tank and the inlet of the condensed water detection tank; a second pipeline is communicated between the outlet of the softened water tank and the inlet of the deaerator; a third pipeline is communicated between the outlet of the deaerator and the inlet of the boiler;
an online detection device is arranged on the first pipeline, and the online detection device is arranged close to an inlet of the condensed water detection tank; the online detection device is used for detecting the quality of the condensed water; a condensed water pipeline is arranged between the pipe body part of the second pipeline and the outlet of the condensed water detection tank;
an electric control valve is arranged on the condensed water pipeline; the electric control valve can be communicated with or used for sealing the condensed water pipeline and the second pipeline; a bypass pipe is arranged on the condensed water pipeline; the electric control valve can be communicated with or used for closing the condensed water pipeline and the bypass pipe;
and the online detection device is in communication connection with the electric control valve.
2. The boiler steam condensate recovery system of claim 1, wherein a first water pump is provided on the first pipeline, and the first water pump is provided near an outlet of the condensate tank; a second water pump is arranged on the second pipeline; the second water pump is arranged close to an inlet of the deaerator.
3. The boiler steam condensate recovery system of claim 1, wherein a drain pipe is provided at a top of the condensate detection tank; one end of the emptying pipe is communicated to the top of the softened water tank.
4. The boiler steam condensate recovery system of claim 1, wherein the electrically controlled valve is a three-way valve; the three-way valve comprises an inlet and two outlets; the inlet is communicated with the condensed water pipeline; the two outlets are respectively communicated with the pipe body part of the second pipeline and the bypass pipe.
5. The boiler steam condensate recovery system of claim 4, further comprising a controller; the online detection device is electrically connected with the controller; the controller is electrically connected with the three-way valve; the controller may control opening and closing of the three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894046.0U CN216384147U (en) | 2021-11-19 | 2021-11-19 | Boiler steam condensate recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894046.0U CN216384147U (en) | 2021-11-19 | 2021-11-19 | Boiler steam condensate recovery system |
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| Publication Number | Publication Date |
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| CN216384147U true CN216384147U (en) | 2022-04-26 |
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| CN202122894046.0U Active CN216384147U (en) | 2021-11-19 | 2021-11-19 | Boiler steam condensate recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233080A (en) * | 2023-11-13 | 2023-12-15 | 杭州尚善若水环保科技有限公司 | Steam condensate corrosion monitoring device and manufacturing method thereof |
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2021
- 2021-11-19 CN CN202122894046.0U patent/CN216384147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233080A (en) * | 2023-11-13 | 2023-12-15 | 杭州尚善若水环保科技有限公司 | Steam condensate corrosion monitoring device and manufacturing method thereof |
| CN117233080B (en) * | 2023-11-13 | 2024-02-27 | 杭州尚善若水环保科技有限公司 | Steam condensate corrosion monitoring device and manufacturing method thereof |
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