CN212776832U - Machine seals water cyclic utilization system - Google Patents
Machine seals water cyclic utilization system Download PDFInfo
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- CN212776832U CN212776832U CN202021180125.4U CN202021180125U CN212776832U CN 212776832 U CN212776832 U CN 212776832U CN 202021180125 U CN202021180125 U CN 202021180125U CN 212776832 U CN212776832 U CN 212776832U
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- seal water
- machine seal
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- buffer tank
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Abstract
The utility model discloses a machine seal water recycling system, which comprises a control device, a machine seal water pump, a filter, a heat exchanger, a machine seal water buffer tank and a circulating pump which are connected in sequence, wherein the circulating pump is connected with the machine seal water pump to form circulation; under the control of the control device, the machine seal water pump provides machine seal water with the same medium, the machine seal water is filtered by the filter, the temperature of the machine seal water is regulated by the heat exchanger, then the machine seal water enters the machine seal water buffer tank, and then the machine seal water returns to the machine seal water pump under the action of the circulating pump for recycling. The utility model provides a machine seals water cyclic utilization system can clear away the foreign matter in the machine seal water through the filter, through heat exchanger temperature regulation in order to satisfy the technological requirement, carries out cyclic utilization to same machine seal water, avoids the direct discharge of machine seal water to the pollution problem of environment, also avoids the mixed big problem of sewage treatment plant operation load that leads to of heterogeneous machine seal water.
Description
Technical Field
The utility model relates to a waste water utilization technology field especially relates to a machine seals water cyclic utilization system.
Background
In chemical production, can discharge in the machine pump machine and seal water, machine seals water direct discharge, can cause environmental pollution, if introduce sewage treatment plant and handle, because sewage treatment plant and production system correlation nature each other is very strong, and different machine seal water are handled through sewage treatment plant after mixing, can cause mutual pollution, greatly increased sewage treatment plant's operation load.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machine seals water cyclic utilization system in order to solve among the prior art machine and seal direct discharge polluted environment of water, mixed treatment and lead to the big problem of sewage treatment plant operational load.
In order to achieve the above object, the present invention provides the following technical solutions: a machine seal water recycling system is used for treating machine seal water with the same medium and comprises a control device, a machine seal water pump, a filter, a heat exchanger, a machine seal water buffer tank and a circulating pump which are sequentially connected, wherein the circulating pump is connected with the machine seal water pump to form circulation; under the control of the control device, the machine seal water pump provides machine seal water with the same medium, the machine seal water is filtered by the filter, the temperature of the machine seal water is regulated by the heat exchanger, then the machine seal water enters the machine seal water buffer tank, and then the machine seal water returns to the machine seal water pump under the action of the circulating pump for recycling.
Further, the filter is provided with a differential pressure transmitter that detects a pressure difference across the filter, the differential pressure transmitter transmitting a pressure signal to the control device.
Furthermore, the machine seal water buffer tank is provided with a thermometer, the heat exchanger is provided with a temperature regulating valve, the thermometer is connected with the temperature regulating valve and controlled by the control device, and the control device controls the heat exchanger to enable the machine seal water in the machine seal water buffer tank to reach the process conditions.
Further, a combustible gas detector for detecting combustible gas is arranged on the top of the mechanical seal water buffer tank.
Further, the machine seal water buffer tank is provided with a liquid level meter for detecting liquid level.
Further, the circulating pump is a frequency converter pump.
Further, the machine seal water recycling system further comprises a trench connected with the machine seal water pump.
Compared with the prior art, the utility model provides a machine seals water cyclic utilization system has following advantage:
the utility model provides a machine seals water cyclic utilization system can clear away the foreign matter in the machine seal water through the filter, through heat exchanger temperature regulation in order to satisfy the technological requirement to carry out cyclic utilization to same machine seal water, avoid the machine seal water direct discharge to the pollution problem of environment, also avoid the mixed big problem of sewage treatment plant operation load that leads to of heterogeneous machine seal water.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
fig. 1 is a schematic structural view of a machine seal water recycling system according to a preferred embodiment of the present invention.
Reference numerals:
1-a control device, 2-a mechanical seal water pump,
3-a filter, 31-a differential pressure transmitter,
4-heat exchanger, 41-temperature regulating valve,
5-machine sealing water buffer tank, 51-thermometer,
52-a liquid level meter, 53-a combustible gas detector,
6-circulating pump, 7-flowmeter,
8-a pressure gauge, 9-a trench,
101-a first valve, 102-a second valve,
103-a third valve, 104-a fourth valve,
105-a fifth valve, 106-a sixth valve,
107-seventh valve, 108-eighth valve.
Detailed Description
The present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific examples described in the following embodiments of the present invention are merely illustrative of specific embodiments of the present invention and do not constitute limitations on the scope of the invention.
The invention is further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a machine seal water recycling system according to a preferred embodiment of the present invention.
The embodiment is a machine seal water recycling system, which is used for treating machine seal water with the same medium, and comprises a control device 1, a machine seal water pump 2, a filter 3, a heat exchanger 4, a machine seal water buffer tank 5 and a circulating pump 6 which are connected in sequence, wherein the circulating pump 6 is connected with the machine seal water pump 2 to form circulation, and the control device 1 is respectively connected with the machine seal water pump 2, the filter 3, the heat exchanger 4, the machine seal water buffer tank 5 and the circulating pump 6; under the control of the control device 1, the mechanical seal water pump 2 provides mechanical seal water with the same medium, the mechanical seal water is filtered by the filter 3, the temperature of the mechanical seal water is regulated by the heat exchanger 4, then the mechanical seal water enters the mechanical seal water buffer tank 5, and then the mechanical seal water returns to the mechanical seal water pump 2 under the action of the circulating pump 6 for recycling.
The application provides a machine seals water cyclic utilization system passes through the filter can clear away the foreign matter in the machine seals aquatic, adjusts temperature through the heat exchanger in order to satisfy the technological requirement to carry out cyclic utilization to same machine seals water, avoid the machine to seal the pollution problem of water direct discharge to the environment, also avoid the mixed big problem of sewage treatment plant operation load that leads to of heterogeneous machine seals water.
The control device 1 is a distributed control system, called DCS for short, and is a new-generation instrument control system based on a microprocessor and adopting a design principle of decentralized control function, centralized display operation and consideration of division, autonomy and comprehensive coordination.
In this embodiment, the control device 1 is connected to the mechanically sealed water pump 2, the filter 3, the heat exchanger 4, the mechanically sealed water buffer tank 5, and the circulation pump 6, respectively, and is connected to corresponding instruments for data transmission and controlling the state of the equipment.
Machine seals water pump 2 and provides machine and seal water, in this embodiment, machine seals water pump 2 and is a plurality of, provides the machine of the same medium and seals water, avoids the machine of different media to seal water mixing processing and causes the pollution.
The filter 3 is used for filtering impurities or foreign matters in the machine seal water.
Further, the filter 3 is provided with a differential pressure transmitter 31 that detects a pressure difference across the filter 3, and the differential pressure transmitter 31 transmits a pressure signal to the control device 1. The differential pressure transmitter 31 can observe the clogging of the filter 3 to facilitate timely cleaning.
The heat exchanger 4 is used for machine-sealed water heat exchange. The heat exchanger 4 adjusts the temperature of the machine seal water through circulating upper water (CWS) and circulating lower water (CWR), a temperature adjusting valve 41 is arranged on the circulating lower water to control the temperature of the machine seal water, and the temperature adjusting valve 41 is controlled by the control device 1 to perform data transmission.
The machine seal water buffer tank 5 is used for providing a buffer space for the machine seal water.
Further, the machine seal water buffer tank 5 is provided with a thermometer 51, the thermometer 51 is connected with the temperature regulating valve 41 and is controlled by the control device 1, and the control device 1 controls the heat exchanger 4 to enable the machine seal water in the machine seal water buffer tank 5 to reach the process conditions.
Further, the machine-sealed water buffer tank 5 is provided with a liquid level meter 52 for detecting liquid level, the liquid level meter 52 is connected with the control device 1, and the control device 1 receives data of the liquid level meter 51.
Further, a combustible gas detector 53 for detecting combustible gas is arranged on the top of the machine sealing water buffer tank 5. The combustible gas detector 53 is used for detecting combustible gas in the water sealed by the machine, and timely detecting and processing the combustible gas to avoid safety accidents.
The circulating pump 6 is used for transporting the machine seal water meeting the process conditions to the machine seal water pump 2, the circulating pump 6 comprises a main pump and a standby pump, and further, the circulating pump 6 is a frequency conversion machine pump. The machine seal water with different specifications is provided, the flow and the pressure are adjustable, the machine seal water is suitable for different requirements, and the corresponding energy consumption is reduced.
And a corresponding flowmeter 7 and a pressure gauge 8 are arranged in the pipeline to detect the flow and pressure in the machine seal water and ensure the use condition of the process.
Further, the machine seal water recycling system further comprises a trench 9 connected with the machine seal water pump 2. If the machine seal water recycling system fails, the machine seal water in the machine seal water pump 2 is directly discharged from the trench 9 and sent to a sewage treatment unit.
The machine seal water recycling system is provided with a first valve 101 between the machine seal water pump 2 and the filter 3, a second valve 102 and a third valve 103 are arranged on a pipeline between the circulating pump 6 and the machine seal water pump 2, and the first valve 101, the second valve 102 and the third valve 103 are cut-off valves and are normally open during normal operation.
The machine-sealed water recycling system is characterized in that a fourth valve 104 is arranged between the machine-sealed water pump 2 and the trench 9, the fourth valve 104 is arranged between the first valve 101 and the machine-sealed water pump 2, a pipeline is provided with a fifth valve 105 and a sixth valve 106, the fifth valve 105 is arranged between the third valve 103 and the machine-sealed water pump 2, a seventh valve 107 is arranged on the machine-sealed water buffer tank 5, an eighth valve 108 is arranged between the circulating pump 6 and the machine-sealed water buffer tank 5, the fifth valve 105 and the seventh valve 107 are used for introducing Industrial Water (IW) or desalted water (DIW) or other types of machine-sealed media, the sixth valve 106 is used for leading out the machine-sealed water to a sewage treatment unit, the seventh valve 107 and the liquid level meter 52 are used for controlling liquid levels in a linkage manner, and the fourth valve 104, the fifth valve 105, the fifth valve 106, The sixth valve 106 and the seventh valve 107 are cut-off valves, the eighth valve 108 is a return valve, and the valves are normally closed when in normal operation.
When the machine seal water recycling system operates normally, under the control of the control device 1, the machine seal water pumps 2 provide machine seal water with the same medium, the machine seal water is filtered by the filter 3, subjected to heat exchange by the heat exchanger 4, enters the machine seal water buffer tank 5, and returns to the machine seal water pumps 2 for recycling under the action of the circulating pump 6.
When the machine seal water recycling system is stopped and cleaned, the control device 1 opens the fifth valve 105 and the sixth valve 106, closes the second valve 102 and the third valve 103, and discharges the cleaning water to the sewage treatment unit.
When the machine seal water recycling system has a fault, the control device 1 opens the fourth valve 104 and the fifth valve 105, closes the first valve 101 and the third valve 103, introduces the outer system machine seal water, adds a medium such as Industrial Water (IW) or desalted water (DIW) or other types of machine seal media, directly discharges the medium to the trench 9 and leads the medium to the sewage treatment unit. And (3) emergency utilization of the machine seal inlet of the external system, adding a medium such as Industrial Water (IW) or desalted water (DIW) or other types of machine seal media, and opening a reserved discharge port in the system, namely the trench 9, so as not to stop the machine seal water pump 2.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim.
Claims (7)
1. The machine seal water recycling system is characterized by comprising a control device (1), a machine seal water pump (2), a filter (3), a heat exchanger (4), a machine seal water buffer tank (5) and a circulating pump (6), wherein the machine seal water pump (2), the filter (3), the heat exchanger (4), the machine seal water buffer tank (5) and the circulating pump (6) are sequentially connected, the circulating pump (6) and the machine seal water pump (2) are connected to form circulation, and the control device (1) is respectively connected with the machine seal water pump (2), the filter (3), the heat exchanger (4), the machine seal water buffer tank (5) and the circulating pump (6);
under the control of the control device (1), the mechanical seal water pump (2) provides mechanical seal water with the same medium, the mechanical seal water is filtered by the filter (3), the temperature of the mechanical seal water is adjusted by the heat exchanger (4), then the mechanical seal water enters the mechanical seal water buffer tank (5), and then the mechanical seal water returns to the mechanical seal water pump (2) for recycling under the action of the circulating pump (6).
2. A mechanically sealed water recycling system according to claim 1, characterized in that the filter (3) is provided with a differential pressure transmitter (31) detecting the pressure difference across the filter (3), the differential pressure transmitter (31) transmitting a pressure signal to the control device (1).
3. The machine seal water recycling system according to claim 1, wherein the machine seal water buffer tank (5) is provided with a temperature meter (51), the heat exchanger (4) is provided with a temperature regulating valve (41), the temperature meter (51) is connected with the temperature regulating valve (41) and is controlled by the control device (1), and the control device (1) controls the heat exchanger (4) to enable the machine seal water in the machine seal water buffer tank (5) to reach a process condition.
4. The machine seal water recycling system of claim 1, wherein a combustible gas detector (53) for detecting combustible gas is arranged at the top of the machine seal water buffer tank (5).
5. A machine seal water recycling system according to claim 1 characterized in that said machine seal water buffer tank (5) is provided with a level meter (52) for detecting the liquid level.
6. The machine seal water recycling system of claim 1, wherein the circulating pump (6) is a frequency converter pump.
7. A machine seal water recycling system according to any of claims 1 to 6, characterized in that it further comprises a trench (9) connected to the machine seal water pump (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180125.4U CN212776832U (en) | 2020-06-23 | 2020-06-23 | Machine seals water cyclic utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180125.4U CN212776832U (en) | 2020-06-23 | 2020-06-23 | Machine seals water cyclic utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776832U true CN212776832U (en) | 2021-03-23 |
Family
ID=75075173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021180125.4U Active CN212776832U (en) | 2020-06-23 | 2020-06-23 | Machine seals water cyclic utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776832U (en) |
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2020
- 2020-06-23 CN CN202021180125.4U patent/CN212776832U/en active Active
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