CN212057246U - Steam condensate water recycling device - Google Patents
Steam condensate water recycling device Download PDFInfo
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- CN212057246U CN212057246U CN201922421674.XU CN201922421674U CN212057246U CN 212057246 U CN212057246 U CN 212057246U CN 201922421674 U CN201922421674 U CN 201922421674U CN 212057246 U CN212057246 U CN 212057246U
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Abstract
The utility model relates to a steam condensate water recycling device, which is arranged between a boiler water tank and a steam condensate water tank, and comprises a boiler soft water loop, a heat exchanger and a condensate water recycling pipeline, wherein the boiler soft water loop is communicated with the boiler water tank, and the condensate water recycling pipeline is communicated with the steam condensate water tank; the boiler soft water loop and the condensed water recovery pipeline are connected through a heat exchanger, and the heat exchanger can transfer heat generated by the condensed water recovery pipeline to the boiler soft water loop; a liquid level monitoring device is arranged on the steam condensate water tank. The utility model discloses a set up steam condensate water recycle device, effectively utilize steam condensate water's heat in order to improve boiler water tank temperature, in the time of the energy saving, reduced steam condensate water and directly discharged to sewage treatment mechanism because the higher influence of temperature handles the active technical problem of fungus crowd, improved sewage treatment's efficiency.
Description
Technical Field
The utility model relates to an improve recovery unit of boiler heat energy, especially relate to a steam condensate water recycle device.
Background
Industrial users can recover steam condensate water (at the temperature of 60-95 ℃) through a steam heat exchange production process, and the steam condensate water can be directly used for boiler water supply if the condensate water is not polluted, so that the water consumption and the boiler fuel consumption can be saved; however, some heat exchange devices of the process are old, the recycled steam condensate water cannot meet the boiler water supply requirements (such as hardness or standard exceeding of iron ions) and cannot be directly used for boiler water supply, the steam condensate water can only be directly discharged to a sewage treatment plant, and heat of the condensate water is wasted, so that certain economic loss is caused.
SUMMERY OF THE UTILITY MODEL
Compared with the prior art, the utility model provides a steam condensate water recycle system to solve at least one technical problem among the prior art problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a steam condensate water recycling system is arranged between a boiler water tank and a steam condensate water tank and comprises a boiler soft water loop, a heat exchanger and a condensate water recycling pipeline, wherein the boiler soft water loop is communicated with the boiler water tank, and the condensate water recycling pipeline is communicated with the steam condensate water tank; the boiler soft water loop and the condensed water recovery pipeline are connected through a heat exchanger, and the heat exchanger can transfer heat generated by the condensed water recovery pipeline to the boiler soft water loop; a liquid level monitoring device is arranged on the steam condensate water tank.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further, the heat exchanger includes a cold side including a cold side inlet and a cold side outlet, and a hot side including a hot side inlet and a hot side outlet; the water flow in the boiler soft water loop flows out of the boiler water tank, enters from a cold side inlet of the heat exchanger, flows out of a hot side outlet and flows back to the boiler water tank; the water flow in the condensed water recovery pipeline flows out from the steam condensed water tank, enters from the hot side inlet of the heat exchanger and flows out from the cold side outlet.
Furthermore, the pipelines of the water outlets and the water inlets of the heat exchanger, the boiler water tank and the steam condensed water tank are respectively and correspondingly provided with a stop valve.
Further, the boiler soft water loop comprises a water outlet pipeline and a water inlet pipeline, wherein one end of the water outlet pipeline is communicated with a water outlet of the boiler water tank, and the other end of the water outlet pipeline is communicated with a cold side inlet; one end of the water inlet pipeline is communicated with the outlet at the hot side of the heat exchanger, and the other end of the water inlet pipeline is communicated with the water inlet of the boiler water tank; and a circulating pump, a second pressure gauge and a second check valve are sequentially arranged on the water outlet pipeline along the water flow transmission direction.
Further, the boiler soft water loop and the condensed water recovery pipeline are respectively provided with at least one thermometer.
Further, a water feeding pump, a first pressure gauge and a first check valve are sequentially arranged on the condensate water recovery pipeline along the water flow transmission direction.
Further, the liquid level monitoring device is a remote transmission liquid level meter.
Further, a cold side outlet of the heat exchanger is communicated with the sewage treatment mechanism through a pipeline.
Further, the heat exchanger is a plate heat exchanger or a shell-and-tube heat exchanger.
Furthermore, the steam condensate water tank is provided with a drainage pipeline, and a stop valve is arranged on the drainage pipeline.
To sum up, the beneficial effects of the utility model are that: through setting up steam condensate water recycle device, effectively utilize steam condensate water's heat in order to improve boiler water tank temperature, when the energy saving, reduced steam condensate water and directly discharged to sewage treatment mechanism because the higher active technical problem of active of the influence treatment flora of temperature, improved sewage treatment's efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the system comprises a steam condensate water tank, a stop valve, a water feed pump, a first pressure gauge, a first check valve and a second pressure gauge, wherein the steam condensate water tank is 2; 6. a thermometer; 7. a heat exchanger; 7-1, cold side part; 7-2, a hot side; 8. a circulation pump; 9. a boiler water tank; 10. a sewage treatment mechanism; 11. a second pressure gauge; 12. a second check valve; 13. a drain line; 14. a liquid level monitoring device.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model relates to a steam condensate water recycling system, which is arranged between a boiler water tank 9 and a steam condensate water tank 1, and comprises a boiler soft water loop, a heat exchanger 7 and a condensate water recycling pipeline, wherein the boiler soft water loop is communicated with the boiler water tank 9, and the condensate water recycling pipeline is communicated with the steam condensate water tank 1; the boiler soft water loop and the condensate water recovery pipeline are connected through a heat exchanger 7, the heat exchanger 7 can transfer heat generated by the condensate water recovery pipeline to the boiler soft water loop, specifically, on one hand, condensate water flowing out of the steam condensate water tank 1 flows through the heat exchanger 7 along the condensate water recovery pipeline, heat of condensate water flow is transferred to water flow in the boiler soft water loop through the heat exchanger 7, the water flow is heated and heated, and finally the condensate water flows back to the boiler water tank 9 through the boiler soft water loop; on the other hand, the temperature of the condensed water flow flowing out of the heat exchanger 7 is reduced, so that the activity of flora for treating sewage in the sewage treatment mechanism is not influenced, and the condensed water flow is more suitable for being discharged to the sewage treatment mechanism for treatment. The steam condensate water tank 1 is provided with a liquid level monitoring device 14, and the liquid level monitoring device 14 is used for monitoring the water level condition in the steam condensate water tank 1. The utility model discloses a set up steam condensate water recycle device, effectively utilize steam condensate water's heat in order to improve 9 temperatures of boiler water tank, when the energy saving, reduced steam condensate water and directly discharged to sewage treatment mechanism because the higher influence of temperature handles the active technical problem of fungus crowd, improved sewage treatment's efficiency.
In one or more embodiments, the heat exchanger 7 of the present invention is a plate heat exchanger or a shell and tube heat exchanger. The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for heat exchange of liquid-liquid and liquid-vapor. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of a shell-and-tube heat exchanger, the occupied area of the heat exchanger is one third of that of the shell-and-tube heat exchanger, and the heat recovery rate can reach more than 90 percent.
In some embodiments, the heat exchanger 7 is a plate heat exchanger, and it should be noted that the utility model discloses well heat exchanger 7 is not limited to plate heat exchanger or shell-and-tube heat exchanger, and other heat exchangers that accord with the intention of the invention and have the heat transfer function also can be used in the utility model discloses in, the utility model discloses do not too much restriction to this. The heat exchanger 7 comprises a cold side 7-1 and a hot side 7-2, the cold side 7-1 comprises a cold side inlet and a cold side outlet, and the hot side 7-2 comprises a hot side inlet and a hot side outlet; the water flow in the boiler soft water loop flows out from the boiler water tank 9, enters from the cold side inlet of the heat exchanger 7, flows out from the hot side outlet, and flows back to the boiler water tank 9; the water flow in the condensed water recovery pipeline flows out from the steam condensed water tank 1, enters from the hot side inlet of the heat exchanger 7 and flows out from the cold side outlet. By the arrangement, the heat energy of the water flow in the boiler soft water loop and the condensate water recovery pipeline can be effectively exchanged, and the pollution of the water quality of the water flow in the two pipelines is avoided. The pipeline of each delivery port and water inlet of heat exchanger 7, boiler water tank 9, steam condensate water tank 1 is corresponding respectively to be equipped with the stop valve, sets up the stop valve and can effectually open and close corresponding delivery port and water inlet, makes things convenient for the device to overhaul, guarantees recycle's normal clear. Specifically, as shown in fig. 1, for convenience of description, the stop valve 2 at the outlet of the condensate recovery pipeline is marked, and other stop valves are not marked in the drawing, and the pipelines at the water outlet and the water inlet of the boiler water tank are respectively provided with a stop valve, and the pipelines at the cold side inlet and the cold side outlet of the cold side part of the heat exchanger 7 are respectively provided with a stop valve, and the steam condensate water tank 1 is provided with a stop valve in the condensate recovery pipeline.
The boiler soft water loop comprises a water outlet pipeline (the water outlet pipeline is not marked in the figure) and a water inlet pipeline (the water inlet pipeline is not marked in the figure), one end of the water outlet pipeline is communicated with a water outlet of the boiler water tank 9, and the other end of the water outlet pipeline is communicated with a cold side inlet; one end of the water inlet pipeline is communicated with the outlet at the hot side of the heat exchanger 7, and the other end of the water inlet pipeline is communicated with the water inlet of the boiler water tank 9. A circulating pump 8, a second pressure gauge 11 and a second check valve 12 are sequentially arranged on the water outlet pipeline along the water flow transmission direction, and the circulating pump 8, the second pressure gauge 11 and the second check valve 12 are matched to ensure the flow direction of water flow in the boiler soft water loop and the running stability of the device; be equipped with water-feeding pump 3, first manometer 4 and first check valve 5 along rivers direction of transfer on the condensate recovery pipeline in proper order, water-feeding pump 3, first manometer 4 and first check valve 5 cooperate and have guaranteed the flow direction of condensate water and the stability of device operation in the condensate recovery pipeline. The cold side outlet of the heat exchanger 7 is communicated with the sewage treatment mechanism 10 through a pipeline. The temperature of the condensed water flow flowing out of the heat exchanger 7 is reduced, and the condensed water flows into the sewage treatment mechanism 10 through the pipeline, so that the activity of flora for treating sewage is not influenced, and the sewage treatment effect is improved.
In one or more embodiments, the condensate recovery line is provided with at least one thermometer. The boiler soft water loop is provided with at least one thermometer, the thermometer can not only feed back the water flow temperature in the pipeline in real time, but also can calculate the energy efficiency in the system by using the temperatures monitored at different times so as to conjecture the overall energy efficiency and the operation condition of the system. Specifically, referring to fig. 1, in one embodiment, for convenience of description, the thermometer 6 of the condensate recovery pipeline is marked, two thermometers are not marked on the boiler soft water loop, and one thermometer is not marked on the pipeline connecting the heat exchanger 7 and the sewage treatment mechanism 10.
In at least one embodiment, the level monitoring device 14 is a remote level meter capable of transmitting a signal to a water pump control box level relay which in turn controls the start and stop of the feed pump 3 and the circulation pump 8. It should be noted that, the utility model discloses well liquid level monitoring device 14 is not limited to the teletransmission level gauge, and other liquid level monitoring device 14 that accord with the intention of the invention and have liquid level monitoring function also can use the utility model discloses in, the utility model discloses do not too much restriction to this.
In some embodiments, the steam condensate tank 1 is provided with a drain line 13, the drain line 13 being provided with a shut-off valve (not shown in the figures). When the heat exchanger 7 overhauls, for preventing that the water in the steam condensate water tank 1 from overflowing, can open the stop valve of drain line 13 among the steam condensate water tank 1 this moment and drain, guarantee that the safety of maintenance goes on.
The utility model discloses a theory of operation and process: steam condensate water tank 1 is condensate recovery unit, and steam condensate water tank 1 is equipped with the teletransmission level gauge, and water-feeding pump 3, circulating pump 8 are all according to steam condensate water tank 1 preset's liquid level, send signal to water pump control box liquid level relay by the teletransmission level gauge, open simultaneously and stop water-feeding pump 3, circulating pump 8.
When the water level of the steam condensate water tank 1 reaches a set pump starting liquid level, the water feeding pump 3 and the circulating water pump 8 are started; at this time, except that the stop valve on the drainage pipeline 13 of the steam condensate water tank 1 is in a closed state, other valves are in an open state; the steam condensate water tank 1 exchanges heat with soft water in a boiler water tank 9 through a heat exchanger 7, and condensate water is discharged into a sewage treatment mechanism 10 after the heat exchange temperature is reduced; the soft water is heated by the heat exchange temperature and returns to the boiler water tank 9, thereby achieving the purpose of heat exchange. The circulating pump 8 is a variable frequency water pump, and the flow can be adjusted according to the soft water outlet temperature. When the heat exchanger 7 is being overhauled, to prevent the water in the steam condensate tank 1 from overflowing, the stop valve on the drain line 13 of the steam condensate tank 1 can be opened for draining at this time.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A steam condensate water recycling device is characterized in that the recycling system comprises a boiler soft water loop, a heat exchanger and a condensate water recycling pipeline, the boiler soft water loop is communicated with a boiler water tank, and the condensate water recycling pipeline is communicated with the steam condensate water tank; the boiler soft water loop and the condensed water recovery pipeline are connected through a heat exchanger, and the heat exchanger can transfer heat generated by the condensed water recovery pipeline to the boiler soft water loop; and a liquid level monitoring device is arranged on the steam condensate water tank.
2. The steam condensate recycling apparatus of claim 1, wherein the heat exchanger includes a cold side including a cold side inlet and a cold side outlet, and a hot side including a hot side inlet and a hot side outlet; the water flow in the boiler soft water loop flows out of the boiler water tank, enters from a cold side inlet of the heat exchanger, flows out of a hot side outlet and flows back to the boiler water tank; and water flow in the condensed water recovery pipeline flows out from the steam condensed water tank, enters from a hot side inlet of the heat exchanger and flows out from a cold side outlet.
3. The steam condensate recycling device of claim 2, wherein the heat exchanger, the boiler water tank, and the steam condensate water tank are respectively provided with a stop valve in a corresponding way at the water outlet and the water inlet of the water tank.
4. The steam condensate recycling device of claim 3, wherein the boiler soft water circuit comprises a water outlet pipeline and a water inlet pipeline, one end of the water outlet pipeline is communicated with the water outlet of the boiler water tank, and the other end of the water outlet pipeline is communicated with the cold side inlet; one end of the water inlet pipeline is communicated with the outlet at the hot side of the heat exchanger, and the other end of the water inlet pipeline is communicated with the water inlet of the boiler water tank; and the water outlet pipeline is sequentially provided with a circulating pump, a second pressure gauge and a second check valve along the water flow transmission direction.
5. The steam condensate recycling apparatus of claim 4, wherein the boiler soft water circuit and the condensate recovery line are provided with at least one thermometer, respectively.
6. The steam condensate recycling apparatus of claim 4, wherein a feed pump, a first pressure gauge and a first check valve are sequentially disposed on the condensate recovery pipe along a water flow direction.
7. The steam condensate recycling apparatus of claim 6, wherein the liquid level monitoring device is a remote liquid level meter.
8. The steam condensate recycling device of claim 2, wherein the cold side outlet of the heat exchanger is communicated with a sewage treatment mechanism through a pipeline.
9. The steam condensate recycling device of any one of claims 1 to 8, wherein the heat exchanger is a plate heat exchanger or a shell-and-tube heat exchanger.
10. The steam condensate recycling apparatus of any one of claims 1 to 8, wherein the steam condensate tank is provided with a drain line, and the drain line is provided with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421674.XU CN212057246U (en) | 2019-12-30 | 2019-12-30 | Steam condensate water recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421674.XU CN212057246U (en) | 2019-12-30 | 2019-12-30 | Steam condensate water recycling device |
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| CN212057246U true CN212057246U (en) | 2020-12-01 |
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| CN201922421674.XU Active CN212057246U (en) | 2019-12-30 | 2019-12-30 | Steam condensate water recycling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859940A (en) * | 2021-01-20 | 2021-05-28 | 上海工程技术大学 | Multi-water-tank liquid level control system of boiler |
| JP7433381B1 (en) | 2022-08-10 | 2024-02-19 | 三菱重工業株式会社 | Water recovery system, gas turbine cogeneration system, and operating method thereof |
-
2019
- 2019-12-30 CN CN201922421674.XU patent/CN212057246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859940A (en) * | 2021-01-20 | 2021-05-28 | 上海工程技术大学 | Multi-water-tank liquid level control system of boiler |
| CN112859940B (en) * | 2021-01-20 | 2022-11-18 | 上海工程技术大学 | Multi-water-tank liquid level control system of boiler |
| JP7433381B1 (en) | 2022-08-10 | 2024-02-19 | 三菱重工業株式会社 | Water recovery system, gas turbine cogeneration system, and operating method thereof |
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