CN210241532U - Drainage water recovery device - Google Patents
Drainage water recovery device Download PDFInfo
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- CN210241532U CN210241532U CN201920207559.XU CN201920207559U CN210241532U CN 210241532 U CN210241532 U CN 210241532U CN 201920207559 U CN201920207559 U CN 201920207559U CN 210241532 U CN210241532 U CN 210241532U
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Abstract
The utility model provides a drainage water recovery unit, drainage water recovery unit include recovery tank, and recovery tank is connected with the discharge end of dredging the female pipe of drainage for the storage comes from dredging the female pipe exhaust of drainage and dredges the water. The utility model provides a drainage water recovery unit can make drainage water obtain rational utilization, reduces the waste of drainage water, improves the utilization ratio of drainage water.
Description
Technical Field
The utility model relates to a dry coke quenching technical field specifically relates to a drainage water recovery unit.
Background
At present, a coking product is one of main raw materials required by the production of industries such as steel and iron in China, and in recent years, in order to encourage the transformation development of the coking industry, save energy and reduce emission, the change of coke quenching from a wet method to a dry method in a coking plant is encouraged or forced to be required, and the effective utilization of the waste heat of the coking plant is encouraged. Therefore, dry quenching waste heat power generation technology is rapidly developed and popularized in the last ten years.
In the prior art, a dry quenching device comprises a dry quenching boiler and an auxiliary component, wherein boiler water is filled in the dry quenching boiler, the dry quenching boiler exchanges heat with heat of red coke generated by a coke oven through the boiler water so as to generate steam for power generation, therefore, condensed water and cold steam can exist in the dry quenching boiler and the auxiliary component, a drainage system is an important measure for ensuring the safe and economic operation of the dry quenching boiler, and comprises a drainage main pipe and a plurality of drainage water sub-pipes, the drainage water sub-pipes are connected with the dry quenching boiler and the auxiliary component and are connected with the drainage main pipe, so that the condensed water and the cold steam in the dry quenching device are directly discharged into a trench through the drainage water sub-pipes and the drainage main pipe.
However, in the prior art, the drained water is directly discharged into the trench, which not only wastes water resources and heat, but also brings great thermal pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a drainage water recovery unit, it can make drainage obtain rational utilization, reduces the waste of drainage, improves the utilization ratio of drainage.
For realizing the utility model discloses a purpose provides a drainage water recovery unit, drainage water recovery unit includes recovery tank, recovery tank with the discharge end of the female pipe of drainage is connected, is used for the storage to come from the female exhaust drainage of pipe of drainage.
Preferably, the drainage water recovery device further comprises a recovery water pipe, and two ends of the recovery water pipe are respectively connected with the recovery water tank and the standby water equipment and used for transmitting the drainage water stored in the recovery water tank to the standby water equipment.
Preferably, the drainage water recovery device further comprises a recovery water pump, and the recovery water pump is arranged on the recovery water pipe and used for pumping the drainage water in the recovery water tank to the standby water equipment through the recovery water pipe.
Preferably, the drainage water recovery device further comprises a control device and a liquid level sensor, wherein the liquid level sensor is arranged in the recovery water tank and used for detecting the liquid level of the recovery water tank and sending the liquid level to the control device;
the control device is connected with the liquid level sensor and the recovery water pump and is used for judging whether the liquid level of the recovery water tank is greater than or equal to a first preset value or not, and if yes, the recovery water pump is controlled to be turned on; if not, controlling the recovery water pump to be closed.
Preferably, the drainage water recovery device further comprises an alarm device, the alarm device is connected with the control device, and the control device is further used for controlling the alarm device to give an alarm when the liquid level of the recovery water tank is judged to be greater than or equal to a first preset value.
Preferably, the current range of the signal sent by the liquid level sensor is 4mA-20 mA.
Preferably, the drain water recovery device further comprises a drain pipe and a first on-off valve, wherein two ends of the drain pipe are respectively connected with the recovery water tank and the trench and used for discharging drain water in the recovery water tank;
the first on-off valve is arranged on the sewage discharge pipe and used for controlling the on-off of the sewage discharge pipe.
Preferably, the drainage water recovery device further comprises a pressure gauge and a pressure measuring branch, wherein the pressure gauge is connected with the recovery water pipe through the pressure measuring branch and used for detecting the pressure in the recovery water pipe.
Preferably, the drainage water recovery device further comprises a second on-off valve, and the second on-off valve is arranged on the pressure measuring branch and used for controlling the on-off of the pressure measuring branch.
Preferably, the drainage water recovery device further comprises a third cut-off valve, and the third cut-off valve is arranged on the recovery water pipe and used for controlling the on-off of the recovery water channel.
The utility model discloses following beneficial effect has:
the utility model provides a drainage water recovery unit includes recovery tank, is connected with the help of the discharge end with recovery tank and the female pipe of dredging to drain, makes recovery tank be used for the storage to come from the female pipe exhaust drainage of dredging to make drainage can save for use in recovery tank, can take from recovery tank when needing to use the drainage, thereby makes drainage obtain rational utilization, reduces the waste of dredging to improve the utilization ratio of dredging to drain.
Drawings
Fig. 1 is a schematic structural view of a drainage water recovery device provided by the present invention;
description of reference numerals:
11-draining a water main pipe; 21-a recovery water tank; 22-a recovery water pipe; 23-a recovery water pump; 24-a liquid level sensor; 25-an alarm device; 26-a sewage draining pipe; 27-a first on-off valve; 28-pressure gauge; 29-pressure measuring branch; 30-a second on-off valve; 31-third shutoff valve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the detailed description of the drainage water recycling device provided in the present invention is provided below with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides a drain water recovery apparatus, which includes a recovery water tank 21, wherein the recovery water tank 21 is connected to a discharge end of the drain water main pipe 11 for storing drain water discharged from the drain water main pipe 11.
The drain water recovery unit that this embodiment provided includes recovery tank 21, be connected with the help of the discharge end with recovery tank 21 and the female pipe 11 of drain water, make recovery tank 21 be used for the storage to come from the female pipe 11 exhaust drain water of drain water, so that the drain water can be saved for subsequent use in recovery tank 21, can take from recovery tank 21 when needing to use the drain water, thereby make the drain water obtain rational utilization, reduce the waste of drain water, improve the utilization ratio of drain water.
Specifically, during dry quenching boiler start-up, shut down and normal operating, the steam pocket in the dry quenching system, the water-cooling wall, the convection tube, the header, the over heater with, economizer and pipeline etc. all can all dredge the water, in order to get rid of condensate and cold steam in the above-mentioned part, avoid condensate and cold steam to cause the influence to the dry quenching system, in prior art, through dredging that main pipe 11 of draining directly discharges the drainage that each part was discharged into the trench, can't utilize drainage, and the drainage recovery unit that this embodiment provided, collect drainage with the help of recovery tank 21, can take from recovery tank 21 when needing to use drainage, thereby make drainage obtain rational utilization, reduce the waste of drainage, improve the utilization ratio of drainage. In addition, directly discharge the drainage to the trench through dredging the female pipe 11 of drainage among the prior art, still can cause the pollution to the environment, collect the drainage with the help of the recovery water tank 21 that this embodiment provided, can also reduce the environmental pollution that the drainage arouses.
In this embodiment, the drainage water recovery apparatus further includes a recovery water pipe 22, and both ends of the recovery water pipe 22 are connected with the recovery water tank 21 and the standby water device, respectively, for transmitting the drainage water stored in the recovery water tank 21 to the standby water device.
Specifically, the end of intaking of recovery tank 21 and recovery water pipe 22 is connected, the end of intaking of recovery water pipe 22 is connected with the end of intaking for use water equipment, the head of dredging in the recovery tank 21 gets into in recovery water pipe 22 through the head of intaking of recovery tank 21, the head of a water outlet through recovery water pipe 22 gets into for use water equipment after the recovery water pipe 22 flows through, thereby transmit the head of saving in the recovery tank 21 to for use water equipment through recovery water pipe 22, make for use water equipment can utilize the head of dredging from dredging female pipe 11 exhausts of drainage, thereby make the head obtain rational utilization, reduce the waste of dredging, improve the utilization ratio of dredging.
In this embodiment, the drainage water recovery device further comprises a recovery water pump 23, and the recovery water pump 23 is disposed on the recovery water pipe 22 and is used for pumping the drainage water in the recovery water tank 21 to the standby water equipment through the recovery water pipe 22.
In practical application, the drainage water in the recovery water tank 21 can be quickly pumped into the standby water equipment by the aid of the recovery water pump 23 so as to meet the water consumption of the standby water equipment and avoid the situation that the standby water equipment cannot timely supplement the drainage water.
In this embodiment, the drainage water recovery device further comprises a control device and a liquid level sensor 24, wherein the liquid level sensor 24 is arranged in the recovery water tank 21 and is used for detecting the liquid level of the recovery water tank 21 and sending the liquid level to the control device; the control device is connected with the liquid level sensor 24 and the recovery water pump 23 and is used for judging whether the liquid level of the recovery water tank 21 is greater than or equal to a first preset value or not, and if so, the recovery water pump 23 is controlled to be turned on; if not, the recovery water pump 23 is controlled to be closed.
Specifically, the liquid level sensor 24 detects the liquid level in the recovery water tank 21, and can be detected by the height position of the drainage water in the recovery water tank 21 reaching the liquid level sensor 24, when the control device judges that the height of the drainage water in the recovery water tank 21 is greater than or equal to a first preset value, the recovery water pump 23 is controlled to be turned on to pump the drainage water in the recovery water tank 21 to the standby water equipment through the recovery water pipe 22, when the control device judges that the height of the drainage water in the recovery water tank 21 is less than the first preset value, the recovery water pump 23 is controlled to be turned off, so that the drainage water in the recovery water tank 21 naturally flows to the standby water equipment through the recovery water pipe 22, the recovery water pump 23 is controlled to be turned on when more drainage water is in the recovery water tank 21 by the control device, the recovery water tank 21 is prevented from being filled with the drainage water, and the recovery water pump 23 is controlled to be turned off when the drainage water in the recovery, so as to save the energy consumption of the recovery water pump 23.
In the present embodiment, the current range of the signal from the level sensor 24 is 4mA-20 mA.
In this embodiment, the drainage water recovery device further includes an alarm device 25, the alarm device 25 is connected to the control device, and the control device is further configured to control the alarm device 25 to send an alarm when the liquid level of the recovery water tank 21 is determined to be greater than or equal to the first preset value.
Specifically, when the control device judges that the height of the drainage water in the recovery water tank 21 is larger than or equal to a first preset value, the control alarm device 25 gives an alarm, a worker can judge that the drainage water in the recovery water tank 21 is more through observing the alarm given by the alarm device 25, the worker can check whether the recovery water pump 23 is opened or not at the moment, if the recovery water pump 23 is not opened, the worker can receive the operation of opening the recovery water pump 23, so as to avoid the situation that the drainage water is filled in the recovery water tank 21 due to the control failure of the control device to the recovery water pump 23, and when the control device judges that the height of the drainage water in the recovery water tank 21 is smaller than the first preset value, the alarm of the alarm device 25 is turned off.
In practical applications, the alarm generated by the alarm device 25 may be a light alarm and/or an audible alarm.
In this embodiment, the drainage water recycling device further comprises a drainage pipe 26 and a first on-off valve 27, wherein two ends of the drainage pipe 26 are respectively connected with the recovery water tank 21 and the trench for discharging drainage water in the recovery water tank 21; a first on-off valve 27 is provided on the soil pipe 26 for controlling on-off of the soil pipe 26.
In practical application, the quality of water of the drainage water discharged from the drainage jellyfish pipe 11 sometimes can not reach the water quality of the standby water equipment, the staff observes the drainage water in the recovery water tank 21, whether the quality of the drainage water reaches the water quality of the standby water equipment can be judged, when the quality of the drainage water does not reach the water quality of the standby water equipment, the first on-off valve 27 is opened, the drainage water in the recovery water tank 21 flows into the trench through the drainage pipe 26, and the drainage water in the recovery water tank 21 is cleaned. In addition, when the drained water in the recovery water tank 21 is more and the standby water equipment does not need a large amount of water replenishment, the drained water can also be discharged from the recovery water tank 21 through the drain pipe 26.
In this embodiment, the drainage water recovery device further comprises a pressure gauge 28 and a pressure measuring branch 29, wherein the pressure gauge 28 is connected with the recovery water pipe 22 through the pressure measuring branch 29 for detecting the pressure in the recovery water pipe 22.
In practical application, through being connected manometer 28 with recovery water pipe 22 through pressure measurement branch road 29, dredge water when through recovery water pipe 22, also can flow in pressure measurement branch road 29, so that manometer 28 can measure the water pressure in recovery water pipe 22, the staff is through observing the pressure value on the manometer 28, can judge the pressure in recovery water pipe 22, if pressure in recovery water pipe 22 is too high, can in time take measures, avoid recovery water pipe 22 to damage, perhaps inspect to dredge water recovery unit, avoid dredging the emergence that has the condition of jam among the water recovery unit.
In this embodiment, the drainage water recovery device further includes a second on-off valve 30, and the second on-off valve 30 is disposed on the pressure measuring branch 29 and is used for controlling on-off of the pressure measuring branch 29.
In practical application, the second cut-off valve 30 is opened, and the drainage water flows into the pressure measurement branch 29 from the recovery water pipe 22, so that the pressure in the recovery water pipe 22 is detected through the pressure gauge 28, and when the pressure gauge 28 fails and the pressure gauge 28 needs to be disassembled for maintenance or replacement, the second cut-off valve 30 is closed to prevent the drainage water from flowing out of the pressure measurement branch 29.
In this embodiment, the drainage water recovery device further includes a third cut-off valve 31, and the third cut-off valve 31 is disposed on the recovery water pipe 22 and is used for controlling the on/off of the recovery water pipe 22.
In practical application, when water equipment for use needs the moisturizing, through opening third shutoff valve 31, can make the dredging water among the recovery water tank 21 flow to water equipment for use through recovery water pipe 22, when water equipment for use does not need the moisturizing, through closing third shutoff valve 31, can prevent dredging water to water equipment for use, thereby the dredging water of storage among the recovery water tank 21 that uses that can be nimble, further make dredging water obtain rational utilization, reduce the waste of dredging water, improve the utilization ratio of dredging water.
In conclusion, the drainage water recovery device provided by the embodiment can reasonably utilize drainage water, reduce the waste of drainage water and improve the utilization rate of drainage water.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. The drain water recovery device is characterized by comprising a recovery water tank, wherein the recovery water tank is connected with the discharge end of a drain water main pipe and is used for storing drain water discharged from the drain water main pipe;
the drain water recovery device also comprises a drain pipe and a first on-off valve, wherein two ends of the drain pipe are respectively connected with the recovery water tank and the trench and used for discharging drain water in the recovery water tank;
the first on-off valve is arranged on the sewage discharge pipe and used for controlling the on-off of the sewage discharge pipe.
2. The drainage water recovery device of claim 1, further comprising a recovery water pipe, both ends of which are connected with the recovery water tank and the standby water equipment, respectively, for transferring the drainage water stored in the recovery water tank to the standby water equipment.
3. The drainage water recovery device of claim 2, further comprising a recovery water pump disposed on the recovery water pipe for pumping drainage water in the recovery water tank to the standby water equipment through the recovery water pipe.
4. The drainage water recovery device of claim 3, further comprising a control device and a liquid level sensor, wherein the liquid level sensor is disposed in the recovery tank and is configured to detect a liquid level of the recovery tank and send the liquid level to the control device;
the control device is connected with the liquid level sensor and the recovery water pump and is used for judging whether the liquid level of the recovery water tank is greater than or equal to a first preset value or not, and if yes, the recovery water pump is controlled to be turned on; if not, controlling the recovery water pump to be closed.
5. The drainage water recovery device of claim 4, further comprising an alarm device, wherein the alarm device is connected to the control device, and the control device is further configured to control the alarm device to give an alarm when the liquid level of the recovery water tank is judged to be greater than or equal to the first preset value.
6. The drained water recovery device of claim 4 or 5, wherein the signal emitted by the liquid level sensor has a current range of 4mA-20 mA.
7. The drainage water recovery device of claim 2 or 3, further comprising a pressure gauge and a pressure measuring branch, wherein the pressure gauge is connected with the recovery water pipe through the pressure measuring branch and is used for detecting the pressure in the recovery water pipe.
8. The drainage water recovery device of claim 7, further comprising a second on-off valve disposed on the pressure measurement branch for controlling on-off of the pressure measurement branch.
9. The drainage water recovery device of claim 2 or 3, further comprising a third cut-off valve disposed on the drainage water pipe for controlling the on/off of the drainage water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920207559.XU CN210241532U (en) | 2019-02-18 | 2019-02-18 | Drainage water recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920207559.XU CN210241532U (en) | 2019-02-18 | 2019-02-18 | Drainage water recovery device |
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| Publication Number | Publication Date |
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| CN210241532U true CN210241532U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920207559.XU Active CN210241532U (en) | 2019-02-18 | 2019-02-18 | Drainage water recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709600A (en) * | 2020-12-16 | 2021-04-27 | 华能煤炭技术研究有限公司 | Water drainage system for roadway |
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2019
- 2019-02-18 CN CN201920207559.XU patent/CN210241532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709600A (en) * | 2020-12-16 | 2021-04-27 | 华能煤炭技术研究有限公司 | Water drainage system for roadway |
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