CN214119701U - Recycling device for boiler exhaust hot water - Google Patents

Recycling device for boiler exhaust hot water Download PDF

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Publication number
CN214119701U
CN214119701U CN202023012741.1U CN202023012741U CN214119701U CN 214119701 U CN214119701 U CN 214119701U CN 202023012741 U CN202023012741 U CN 202023012741U CN 214119701 U CN214119701 U CN 214119701U
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China
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water
boiler
collecting tank
hot water
booster pump
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CN202023012741.1U
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Inventor
白秀森
杨耀文
王建国
安思远
张超
刘勇麟
李盟
张建民
赵宇辰
关宇君
方明
范思毅
杨丽萍
崔永军
卢辉
王宝生
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Huaneng Beijing Thermal Power Co Ltd
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Huaneng Beijing Thermal Power Co Ltd
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Abstract

The embodiment of the utility model provides a recycle device of boiler row's hot water, recycle device includes: catch basin, pipeline, booster pump, check valve, control flap, level sensor, control module, wherein: the water collecting tank is communicated with a hot water discharge port of the boiler and collects hot water discharged by the boiler; one end of the conveying pipeline is communicated with the water collecting tank; the booster pump is arranged on the conveying pipeline; the delivery pipeline is provided with a check valve and a control valve; the water level sensor is arranged in the water collecting tank to monitor the height of the water level in the water collecting tank; the signal output end of the water level sensor is electrically connected with the control module, and the control ends of the booster pump and the control valve are electrically connected with the control module. The utility model discloses carry out recycle with the hot water that the boiler discharged, carry to heating system through the supercharging device pressure boost, as heating system's supplementary heat source, not only avoided the waste of water resource, also played energy saving and emission reduction's purpose, resource utilization is high, still brings considerable economic benefits for the power plant.

Description

Recycling device for boiler exhaust hot water
Technical Field
The utility model relates to a boiler equipment technical field particularly, relates to a recycle device of boiler row's hot water.
Background
In some fields in the industry of China, a boiler is regularly arranged, a water source with certain pressure and certain temperature is continuously discharged into a trench through a pipeline in the operation process, for example, a boiler in a power plant can discharge a large amount of hot water in the normal operation and the start-stop process, at present, most power plants can directly discharge the hot water discharged by the boiler into a sewage pipeline, the waste of a large amount of water resources is caused, the resource utilization rate is low, meanwhile, the hot water discharged by the boiler can reach 100 ℃, certain heat is realized, good water quality is realized, and the waste of heat can be caused when the hot water is discharged to the sewage pipeline as the overflow of waste water.
SUMMERY OF THE UTILITY MODEL
The present specification provides a boiler blow-down hot water recycling device to overcome at least one technical problem in the prior art.
According to an embodiment of the present specification, there is provided a recycling apparatus for boiler blow-down hot water, the recycling apparatus including: catch basin, pipeline, booster pump, check valve, control flap, level sensor, control module, wherein:
the water collecting tank is communicated with a hot water discharge port of the boiler and used for collecting hot water discharged by the boiler; one end of the conveying pipeline is communicated with the water collecting tank; the booster pump is arranged on the conveying pipeline; the check valve and the control valve are arranged on the conveying pipeline; the water level sensor is arranged in the water collecting tank to monitor the water level height in the water collecting tank; the signal output end of the water level sensor is electrically connected with the control module, and the control ends of the booster pump and the control valve are electrically connected with the control module.
Optionally, the recycling device further comprises a water inlet pipe, one end of the water inlet pipe is connected with a hot water discharge port of the boiler, the other end of the water inlet pipe is communicated with the water collecting tank, and hot water discharged by the boiler is conveyed into the water collecting tank.
Further optionally, the water inlet pipe is made of plain carbon steel.
Optionally, the conveying pipe is of plain carbon steel material.
Optionally, the recycling device further comprises a heat supply pipeline, and the other end of the conveying pipeline is communicated with the heat supply pipeline so as to convey hot water in the water collecting tank to a heat supply system.
Optionally, the control valve is a shut-off valve.
The beneficial effects of the embodiment of the specification are as follows:
the utility model discloses the high-quality water source of recycle high temperature, energy-conserving increase, carry out recycle with the hot water that the boiler discharged, through the supercharging device pressure boost and through pipe-line transportation to heating system, as heating system's supplementary heat source, not only avoided the waste of water resource, also can play energy saving and emission reduction's purpose, resource utilization is high, can also bring considerable economic benefits for the power plant.
The innovation points of the embodiment of the specification comprise:
1. in this embodiment, it is one of the innovative points of the embodiments of the present specification that hot water discharged from a boiler is recycled, pressurized by a pressurizing device, and delivered to a heating system through a pipeline, as a supplementary heat source of the heating system.
2. In the embodiment, the hot water discharged from the boiler is recycled, so that the waste of water resources is avoided, the purposes of energy conservation and emission reduction are achieved, and the resource utilization rate is high, which is one of the innovation points of the embodiment of the specification.
3. In the embodiment, hot water discharged by the boiler is used as a supplementary water source of the heating system, so that considerable economic benefits can be brought to a power plant, and the method is one of innovation points of the embodiment of the specification.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a boiler heat discharge water recycling device provided in an embodiment of the present disclosure;
in the figure, 1 is a water collecting tank, 2 is a conveying pipeline, 3 is a booster pump, 4 is a check valve, 5 is a control valve, 6 is a water level sensor, 7 is a control module, 8 is a water inlet pipeline, and 9 is a heat supply pipeline.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only some embodiments of the present disclosure, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the specification discloses a recycling device for boiler exhaust heat water. The following are detailed below.
Fig. 1 is a view illustrating a recycling apparatus for boiler blow-down hot water according to an embodiment of the present description, and as shown in fig. 1, the recycling apparatus includes: the system comprises a water collecting tank 1, a conveying pipeline 2, a booster pump 3, a check valve 4, a control valve 5, a water level sensor 6 and a control module 7, wherein the water collecting tank 1 is communicated with a hot water discharge port of a boiler and used for collecting hot water discharged by the boiler; one end of the conveying pipeline 2 is communicated with the water collecting tank 1; the booster pump 3 is arranged on the conveying pipeline 2; the check valve 4 and the control valve 5 are arranged on the conveying pipeline 2; the water level sensor 6 is installed in the water collecting tank 1 to monitor the water level height in the water collecting tank 1; the signal output end of the water level sensor 6 is electrically connected with the control module 7, and the control ends of the booster pump 3 and the control valve 5 are electrically connected with the control module 7.
The embodiment of the utility model recycles the hot water discharged by the boiler into the water collecting tank 1, the water level sensor 6 in the water collecting tank 1 monitors the water level height of the hot water in the water collecting tank 1 in real time, and transmits the measured data to the control module 7, the control module 7 compares the received water level height value with a first preset water level height value stored in the control module 7, when the water level in the water collecting tank 1 is judged to be lower than the first preset water level, the control module 7 does not act, when the water level in the water collecting tank 1 is judged to be equal to or greater than the first preset water level, the control module 7 sends a starting control instruction to the booster pump 3 and the control valve 5, after the booster pump 3 and the control valve 5 receive the starting control instruction, respectively start operation, and the booster pump 3 boosts the pressure of the hot water in the water collecting tank 1 so as to convey the hot water in the water collecting tank 1 to a heat supply system through the conveying pipeline 2.
Meanwhile, the water level sensor 6 monitors the water level in the water collecting tank 1 in real time and transmits the water level to the control module 7, the control module 7 compares the received water level value of the water collecting tank 1 with a second preset water level stored in the control module, when the water level in the water collecting tank 1 is judged to be higher than the second preset water level, the control module 7 does not act, when the water level in the water collecting tank 1 is judged to be equal to or lower than the second preset water level, the control module 7 sends a closing control instruction to the booster pump 3 and the control valve 5, the booster pump 3 stops running according to the closing control instruction, and the control valve 5 closes according to the closing control instruction, so that the delivery of the hot water in the water collecting tank 1 is stopped.
It should be understood that the first preset water level height and the second preset water level height are the highest water storage level and the lowest water storage level which are set according to the specific situation of the water collecting tank 1, and are stored in the control module 7, so that the control module 7 makes a control instruction according to the highest water storage level, the lowest water storage level and the real-time water level height in the water collecting tank 1. Wherein, the numerical value of the water level height can select zero or non-zero numerical value to predetermine the second, chooses non-zero numerical value for use, can avoid appearing the condition of booster pump 3 idle running to prevent that booster pump 3 from generating heat even burning out.
In the above process, the control module 7 may send a start control instruction or a close control instruction to the booster pump 3 and the control valve 5 at the same time, so that the booster pump 3 and the control valve 5 are almost simultaneously opened or closed after receiving the instruction, the control module 7 may also send the start control instruction to the control valve 5 first, and then send the start control instruction to the booster pump 3, so that after the control valve 5 is opened, the booster pump 3 starts to operate to deliver hot water, thereby avoiding the situation that the control valve 5 is still not opened when the booster pump 3 starts to operate, and similarly, the control module 7 may send the close control instruction to the booster pump 3 first, and then send the close control instruction to the control valve 5, so that the control valve 5 is closed after the booster pump 3 is closed, and the booster pump 3 is prevented from idling.
In order to prevent the backflow of the hot water in this case, a check valve 4 is further provided between the booster pump 3 and the control valve 5, and the backflow of the hot water is blocked by the check valve 4 acting on its own weight and the pressure of the hot water. The check valve 4 and the control valve 5 are combined for use, so that the safety blocking effect can be achieved, and the overall safety of the recycling device is improved.
It should be noted that the connection between the signal output terminal of the water level sensor 6 and the control module 7 is known to those skilled in the art without any creative work, and meanwhile, the electrical connection between the control terminals of the booster pump 3 and the control valve 5 and the control module 7 is the prior art.
In a specific embodiment, the recycling device further comprises a water inlet pipe 8, one end of the water inlet pipe 8 is connected to the hot water discharge port of the boiler, and the other end of the water inlet pipe 8 is communicated with the water collecting tank 1 to convey the hot water discharged from the boiler into the water collecting tank 1, so that the hot water discharged from the boiler is collected in the water collecting tank 1 by the conveyance of the water inlet pipe 8.
The temperature and the pressure of the medium water conveyed by the water inlet pipeline 8 and the conveying pipeline 2 are not too high, so that the water inlet pipeline 8 and the conveying pipeline 2 are preferably made of common carbon steel materials, the use requirement can be met, and the cost of the recycling device is reduced.
In another specific embodiment, the recycling device further comprises a heat supply pipeline 9, and the other end of the conveying pipeline 2 is communicated with the heat supply pipeline 9 to convey the hot water in the water collecting tank 1 to a heat supply system, so that the hot water in the water collecting tank 1 is supplemented with the water for the heat supply system through the conveying of the heat supply pipeline 9.
In addition, the control valve 5 is a shutoff valve, which is an important component of the embodiment, so that the safe operation of the recycling device is ensured, and safety accidents caused by hot water backflow of the conveying pipeline 2 are prevented.
To sum up, this specification discloses a recycle device of boiler exhaust heat water, recycles the hot water that the boiler discharged, and the booster device pressure boost is carried to heating system through the pipeline, as heating system's supplementary heat source, has not only avoided the waste of water resource, also can play energy saving and emission reduction's purpose, and resource utilization is high, can also bring considerable economic benefits for the power plant.
Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (6)

1. A boiler blow-down hot water recycling device, characterized in that, the recycling device includes: catch basin, pipeline, booster pump, check valve, control flap, level sensor, control module, wherein:
the water collecting tank is communicated with a hot water discharge port of the boiler and used for collecting hot water discharged by the boiler; one end of the conveying pipeline is communicated with the water collecting tank; the booster pump is arranged on the conveying pipeline; the check valve and the control valve are arranged on the conveying pipeline; the water level sensor is arranged in the water collecting tank to monitor the water level height in the water collecting tank; the signal output end of the water level sensor is electrically connected with the control module, and the control ends of the booster pump and the control valve are electrically connected with the control module.
2. The apparatus for recycling heat released water from a boiler as recited in claim 1, further comprising a water inlet pipe, one end of said water inlet pipe being connected to a hot water discharge port of said boiler, the other end of said water inlet pipe being connected to said water collecting tank, and said hot water discharged from said boiler being supplied to said water collecting tank.
3. The apparatus for recycling boiler blow-down water as recited in claim 2, wherein said water inlet pipe is made of a plain carbon steel material.
4. The apparatus for recycling boiler blow-down hot water according to claim 1, wherein said transfer piping is made of a plain carbon steel material.
5. The recycling device of boiler exhaust heat water according to claim 1, characterized in that the recycling device further comprises a heat supply pipeline, and the other end of the conveying pipeline is communicated with the heat supply pipeline to convey the hot water in the water collecting tank to a heat supply system.
6. The apparatus for recycling boiler blow-down water according to claim 1, wherein said control valve is a shutoff valve.
CN202023012741.1U 2020-12-15 2020-12-15 Recycling device for boiler exhaust hot water Active CN214119701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023012741.1U CN214119701U (en) 2020-12-15 2020-12-15 Recycling device for boiler exhaust hot water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023012741.1U CN214119701U (en) 2020-12-15 2020-12-15 Recycling device for boiler exhaust hot water

Publications (1)

Publication Number Publication Date
CN214119701U true CN214119701U (en) 2021-09-03

Family

ID=77511366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023012741.1U Active CN214119701U (en) 2020-12-15 2020-12-15 Recycling device for boiler exhaust hot water

Country Status (1)

Country Link
CN (1) CN214119701U (en)

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