CN211141748U - Boiler sewage treatment plant - Google Patents
Boiler sewage treatment plant Download PDFInfo
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- CN211141748U CN211141748U CN201921989652.7U CN201921989652U CN211141748U CN 211141748 U CN211141748 U CN 211141748U CN 201921989652 U CN201921989652 U CN 201921989652U CN 211141748 U CN211141748 U CN 211141748U
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Abstract
The utility model provides a boiler sewage treatment plant, belongs to boiler sewage treatment technical field, this boiler sewage treatment plant, including PH equalizing basin and last cooler, static mixer and the charge device that sets up, the sewage import and the boiler blowdown mouth of cooler link to each other, the sewage exit of cooler sets up PH meter I and thermoscope, just the sewage export of cooler passes through static mixer and links to each other with the PH equalizing basin, static mixer's charge mouth with charge device links to each other, the beneficial effects of the utility model are that, this boiler sewage treatment plant can use by oneself in power plant inside, and its overall structure is simple, the automated processing of sewage has been realized, and it is convenient to maintain, the working costs is low, carries out sewage treatment in succession in the boiler operation, accords with national emission standard after handling moreover.
Description
Technical Field
The utility model relates to a boiler sewage treatment technical field especially relates to a boiler sewage treatment plant.
Background
The boiler of the thermal power plant and the waste heat power plant needs to continuously discharge sewage when in normal operation, the PH value of the sewage is 9-10, the temperature of the sewage is about 80 ℃, the PH value of the sewage does not accord with the national sewage discharge standard of 6-9, the temperature of the sewage required by countries such as Vietnam and the like is not higher than 40 ℃, most power plants adopt a method of diluting a large amount of cooling water to treat or lead the part of waste water to a municipal sewage treatment center to treat at the present stage, and more operation cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a boiler sewage treatment plant has mainly solved the problem that the waste water treatment cost is high that current boiler produced, and aim at designs a boiler sewage treatment plant, makes it can use by oneself in the inside of power plant, and its overall structure is simple, it is convenient to maintain, the working costs is low, carries out sewage treatment in succession in the boiler operation, accords with national emission standard after handling moreover.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: boiler sewage treatment plant, including PH equalizing basin and last cooler, static mixer and the charge device that sets up thereof, the sewage import and the boiler blowdown mouth of cooler link to each other, the sewage exit of cooler sets up PH meter I and thermoscope, just the sewage export of cooler passes through static mixer and links to each other with the PH equalizing basin, static mixer add the medicine mouth with charge device links to each other.
Further, the dosing device comprises a dosing box, an electric control valve, a metering pump and a control cabinet, the electric control valve and the metering pump are arranged on the dosing box, the PH meter I is connected with the signal input end of the control cabinet, the signal output end of the control cabinet is connected with the electric control valve and the metering pump, and the metering pump is connected with the static mixer through a pipeline.
Further, a PH meter II and a switch valve are arranged at a water outlet of the PH adjusting tank, the PH meter II is arranged on one side close to the water outlet of the PH adjusting tank, the water outlet of the PH adjusting tank is connected with a sewage outlet of the cooler through a water pump, the PH meter II is connected with a signal input end of the control cabinet, and a signal output end of the control cabinet is connected with the water pump.
Further, the PH equalizing basin includes surge tank and the inside agitator that sets up thereof, the agitator is provided with one or more.
Furthermore, a plurality of hollow-out partition plates are arranged in the adjusting water tank and are divided into a plurality of PH adjusting chambers by the hollow-out partition plates, and a stirrer is arranged in each PH adjusting chamber.
Furthermore, the upper portion of the PH adjusting tank is provided with a water outlet, the bottom of the PH adjusting tank is provided with a sewage discharge outlet, and a liquid level meter is arranged in the PH adjusting tank.
Furthermore, one side of the PH adjusting tank is provided with an overhauling crawling ladder.
Furthermore, a sewage inlet and a sewage outlet of the cooler are both provided with a manual valve, and the manual valve at the sewage outlet is arranged behind the temperature detector.
The utility model has the advantages that:
1. the utility model discloses utilize the pressure of boiler self blowdown water to carry sewage to boiler sewage treatment plant, cool sewage to accord with national emission standard temperature through the cooler among this sewage treatment plant, and the PH value of sewage before getting into the PH equalizing basin through the test of PH meter I, then add corresponding kind and the chemical of corresponding measurement in to the static mixer through charge-in device, then lead into the chemical in the static mixer and the sewage that flows together in the PH equalizing basin and fully react, make the blowdown water after the reaction can reach the PH value emission standard of country, this sewage treatment plant can use by oneself inside the power plant, its overall structure is simple, easy maintenance, the working costs is low, carry out sewage treatment in succession in the boiler operation, and accord with national emission standard after handling;
2. specifically, the dosing device is a full-automatic dosing device, a PH meter I detects the PH value of sewage before entering a PH adjusting tank and transmits a signal of the PH value to a signal input end of a control cabinet, the control cabinet compares the detected PH value with a national standard PH value allowed to be discharged, the used medicine is judged to be metered, an electric control valve and a metering pump on a dosing tank are controlled to be opened, chemical medicines in the dosing tank are added into a static mixer to be subjected to preliminary mixing reaction, full-automatic dosing control is achieved, control precision is high, manpower is saved, and cost of sewage treatment is reduced; the delivery port department of PH equalizing basin sets up PH meter II and ooff valve, PH meter II is used for detecting the PH value of discharge sewage, the switch board judges whether the PH value of surveying accords with national emission standard, if not accord with then make the ooff valve close, the sewage discharge who is not accord with emission standard has been prevented, drive water pump action simultaneously, the sewage outlet with the leading-in cooler of sewage circulation, PH meter I continues to detect the PH value of sewage this moment, the switch board continues control charge device's chemical input, the delivery port exhaust sewage up to the PH equalizing basin accords with national emission standard, make the ooff valve open with sewage discharge, sewage discharge's control accuracy has further been improved, make sewage discharge more accord with national standard.
To sum up, this boiler sewage treatment plant can use by oneself in the power plant, and its overall structure is simple, realized the automated processing of sewage, and it is convenient to maintain, the working costs is low, carries out sewage treatment in succession in the boiler operation, accords with national emission standard after handling moreover.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a gas circuit connection diagram of the present invention;
FIG. 4 is a schematic diagram of an automated control of the dosing device;
the labels in the above figures are: the device comprises a PH adjusting pool 1, an adjusting water tank 11, a stirrer 12, a hollow-out partition plate 13, a PH adjusting chamber 14, a water outlet 15, a sewage outlet 16, a cooler 2, a static mixer 3, a dosing device 4, a dosing tank 41, a control cabinet 42, a PH meter I5, a PH meter 6, a temperature meter 7, a PH meter II, a switch valve 8, a water pump 9 and a liquid level meter 10.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in figure 1, figure 2 and figure 3, a boiler sewage treatment plant, including PH equalizing basin 1 and the cooler 2, static mixer 3 and the charge device 4 that set up on it, the sewage import and the boiler drain mouth of cooler 2 link to each other, and the sewage exit of cooler 2 sets up PH meter I5 and thermoscope 6, and the sewage export of cooler 2 passes through static mixer 3 and links to each other with PH equalizing basin 1, and static mixer 3's charge mouth links to each other with charge device 4. Utilize the pressure of boiler self sewage to carry sewage to boiler sewage treatment plant, cool sewage to accord with national emission standard temperature through cooler 2, and the PH value of sewage before getting into the PH equalizing basin 1 through the test of PH meter I5, then add the chemical of corresponding kind and corresponding measurement into static mixer 3 through charge device 4, then carry out the abundant reaction in leading-in PH equalizing basin 1 with the sewage that flows together with the chemical in static mixer 3, make the sewage after the reaction can reach the PH value emission standard of country, this sewage treatment plant can use by oneself in power plant inside, its overall structure is simple, easy maintenance, the working costs is low, carry out sewage treatment in succession in the boiler operation, and accord with national emission standard after handling.
Optimally, as shown in fig. 1 to 4, the chemical adding device 4 includes a chemical adding box 41, an electric control valve, a metering pump and a control cabinet 42, the chemical adding box 41 is provided with the electric control valve and the metering pump, a PH meter i 5 is connected with a signal input end of the control cabinet 42, a signal output end of the control cabinet 42 is connected with the electric control valve and the metering pump, the metering pump is connected with the static mixer 3 through a pipeline, the PH meter i 5 detects a PH value of sewage before entering the PH adjusting tank 1 and transmits a signal of the PH value to a signal input end of the control cabinet 42, the control cabinet 42 compares the detected PH value with a national standard PH value allowed to be discharged, judges the metering of used chemicals, controls the electric control valve and the metering pump on the chemical adding box 41 to be opened, adds chemical medicines in the static mixer 3 to perform a preliminary mixing reaction, realizes full-automatic chemical adding control, has high control precision and saves manpower, the cost of sewage treatment is reduced.
Optimally, as shown in fig. 3 and 4, a PH meter ii 7 and a switch valve 8 are arranged at the water outlet of the PH adjusting tank 1, the PH meter ii 7 is arranged at one side close to the water outlet of the PH adjusting tank 1, the water outlet of the PH adjusting tank 1 is connected with the sewage outlet of the cooler 2 through a water pump 9, the PH meter ii 7 is connected with the signal input end of a control cabinet 42, the signal output end of the control cabinet 42 is connected with the water pump 9, the PH meter ii 7 is used for detecting the PH value of the discharged sewage, the control cabinet 42 judges whether the detected PH value meets the national discharge standard or not, if not, the switch valve 8 is closed, the discharge of the sewage which does not meet the discharge standard is prevented, the water pump 9 is driven to act at the same time, the sewage is circularly guided into the sewage outlet of the cooler 2, the PH meter i 5 continues to detect the PH value of the sewage at the moment, the control cabinet 42 continues to control the chemical input amount of the chemical agent adding device 4 until the, then the switch valve 8 is opened to discharge the sewage, thereby further improving the control precision of sewage discharge and leading the sewage discharge to be more in line with the national standard.
Specifically, as shown in fig. 1 to 3, the PH adjusting tank 1 includes an adjusting water tank 11 and an agitator 12 disposed inside the adjusting water tank 11, according to the size of the adjusting water tank 11, one or more agitators 12 may be disposed, when the adjusting water tank 11 is large, in order to make the reaction after stirring more sufficient, a plurality of hollow partitions 13 are disposed in the adjusting water tank 11 and divided into a plurality of PH adjusting chambers 14 by the hollow partitions 13, one agitator 12 is disposed in each PH adjusting chamber 14, the stirring is more sufficient after the separation, the chemical reaction is more sufficient, and the discharged sewage more conforms to the national discharge standard.
Specifically, as shown in fig. 1 and fig. 2, a water outlet 15 is arranged at the upper part of the PH adjusting tank 1, a drain outlet 16 is arranged at the bottom of the PH adjusting tank 1, so that sewage after full reaction flows out from the upper part, sediment below or sewage which is not fully reacted is prevented from being discharged together, and the risk of discharging sewage which does not meet the discharge standard is reduced, a liquid level meter 10 is arranged at the upper part of the PH adjusting tank 1 and is used for judging the liquid level, when the liquid level is too high, the sewage can be temporarily conveyed into the PH adjusting tank 1, the risk of overflowing due to the too high liquid level is prevented, manual valves are arranged at the sewage inlet and the sewage outlet of the cooler 2, the sewage can be temporarily conveyed into the PH adjusting tank 1 by closing the manual valves, the manual valve at the sewage outlet is arranged at the rear part of the temperature detector 6, and if the temperature at the sewage outlet of the cooler 2 does not meet the discharge temperature, the manual valve can be operated to suspend the cooling input of the sewage, and the number of the coolers 2 can be increased to reach the proper discharge temperature standard. In addition, one side of the PH adjusting tank 1 is provided with an overhauling crawling ladder for overhauling and maintaining.
The boiler sewage treatment device comprises the following steps: firstly, conveying sewage to a boiler sewage treatment device by using the pressure of the sewage discharged by a boiler, cooling the sewage by a cooler 2, detecting the cooled temperature by a temperature detector 6, closing a manual valve when the temperature does not accord with the discharge temperature standard, and additionally installing a certain number of coolers 2 for further cooling until the temperature accords with the national discharge standard temperature; then, a PH meter I5 tests the PH value of the sewage before entering the PH regulating tank 1, and transmits a signal of the PH value to a signal input end of a control cabinet 42, the control cabinet 42 compares the detected PH value with a national standard PH value allowed to be discharged, judges the metering of used medicines, controls an electric control valve and a metering pump on a dosing tank 41 to be opened, adds chemical medicines in the dosing tank 41 into a static mixer 3 for preliminary mixing reaction, and realizes full-automatic dosing control; finally, the chemicals in static mixer 3 and the leading-in PH equalizing basin 1 of flowing sewage utilize agitator 12 to carry out the intensive mixing reaction together, sewage after the reaction flows out by delivery port 15, PH meter II 7 detects the pH value of discharge sewage, switch board 42 judges whether the pH value that records accords with national emission standard, if do not accord with then make ooff valve 8 close, the sewage discharge that does not accord with emission standard has been prevented, drive water pump 9 action simultaneously, the leading-in sewage export of cooler 2 of sewage circulation, PH meter I5 continues to detect the pH value of sewage this moment, switch board 42 continues to control charge device 4's chemical input, until the delivery port exhaust sewage of PH equalizing basin 1 accords with national emission standard, make ooff valve 8 open with sewage discharge.
To sum up, this boiler sewage treatment plant can use by oneself in the power plant, and its overall structure is simple, realized the automated processing of sewage, and it is convenient to maintain, the working costs is low, carries out sewage treatment in succession in the boiler operation, accords with national emission standard after handling moreover.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (8)
1. The utility model provides a boiler sewage treatment plant, its characterized in that, including pH equalizing basin (1) and cooler (2), static mixer (3) and charge device (4) that go up to set up, the sewage import and the boiler drain mouth of cooler (2) link to each other, the sewage exit of cooler (2) sets up pH meter I (5) and thermoscope (6), just the sewage export of cooler (2) passes through static mixer (3) and links to each other with pH equalizing basin (1), the charge mouth of static mixer (3) with charge device (4) link to each other.
2. The boiler sewage treatment device according to claim 1, wherein said dosing device (4) comprises a dosing tank (41), an electric control valve, a metering pump and a control cabinet (42), said dosing tank (41) is provided with said electric control valve and said metering pump, said pH meter i (5) is connected to a signal input end of said control cabinet (42), a signal output end of said control cabinet (42) is connected to said electric control valve and said metering pump, and said metering pump is connected to said static mixer (3) through a pipeline.
3. The boiler sewage treatment device according to claim 2, wherein a pH meter II (7) and a switch valve (8) are arranged at the water outlet of the pH adjusting tank (1), the pH meter II (7) is arranged at one side close to the water outlet of the pH adjusting tank (1), the water outlet of the pH adjusting tank (1) is connected with the sewage outlet of the cooler (2) through a water pump (9), the pH meter II (7) is connected with the signal input end of the control cabinet (42), and the signal output end of the control cabinet (42) is connected with the water pump (9).
4. The boiler sewage treatment device according to any of the claims 1 to 3, wherein the pH adjusting tank (1) comprises an adjusting water tank (11) and a stirrer (12) arranged inside the adjusting water tank, and one or more stirrers (12) are arranged.
5. The boiler sewage treatment device according to claim 4, wherein a plurality of hollowed-out partition plates (13) are arranged in the regulating water tank (11) and are divided into a plurality of pH regulating chambers (14) by the hollowed-out partition plates (13), and a stirrer (12) is arranged in each pH regulating chamber (14).
6. The boiler sewage treatment device according to claim 5, wherein a water outlet (15) is arranged at the upper part of the pH adjusting tank (1), a sewage outlet (16) is arranged at the bottom of the pH adjusting tank (1), and a liquid level meter (10) is arranged in the pH adjusting tank (1).
7. The boiler sewage treatment device according to claim 5, wherein a maintenance ladder stand is provided at one side of the pH adjusting tank (1).
8. The boiler sewage treatment device according to claim 5, wherein a manual valve is provided at both the sewage inlet and the sewage outlet of the cooler (2), and the manual valve at the sewage outlet is provided behind the temperature detector (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989652.7U CN211141748U (en) | 2019-11-18 | 2019-11-18 | Boiler sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921989652.7U CN211141748U (en) | 2019-11-18 | 2019-11-18 | Boiler sewage treatment plant |
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| Publication Number | Publication Date |
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| CN211141748U true CN211141748U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921989652.7U Active CN211141748U (en) | 2019-11-18 | 2019-11-18 | Boiler sewage treatment plant |
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| CN (1) | CN211141748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499707A (en) * | 2020-12-09 | 2021-03-16 | 无锡市政设计研究院有限公司 | Self-flowing water feeding and dosing control system |
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2019
- 2019-11-18 CN CN201921989652.7U patent/CN211141748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499707A (en) * | 2020-12-09 | 2021-03-16 | 无锡市政设计研究院有限公司 | Self-flowing water feeding and dosing control system |
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