CN215756498U - Water inlet constant-current buffer system - Google Patents
Water inlet constant-current buffer system Download PDFInfo
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- CN215756498U CN215756498U CN202121781655.9U CN202121781655U CN215756498U CN 215756498 U CN215756498 U CN 215756498U CN 202121781655 U CN202121781655 U CN 202121781655U CN 215756498 U CN215756498 U CN 215756498U
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Abstract
The utility model relates to a water inlet constant-current buffer system which comprises a regulating reservoir, a high-level water tank and an overflow water tank. Along sewage flow direction, equalizing basin, high flush tank, overflow tank and follow-up sewage treatment facility communicate in proper order, establish the elevator pump in the equalizing basin to sewage in with the equalizing basin promotes high flush tank. A high-level drain valve is arranged between the high-level water tank and the overflow water tank. An overflow port is arranged on the overflow water tank and connected with the regulating tank, and the height of the overflow port is lower than the liquid level of the high-level water tank and higher than the liquid level of the subsequent sewage treatment facility. And a low-level drain valve is arranged between the overflow water tank and the subsequent sewage treatment facility, and the sewage discharge flow from the overflow water tank to the subsequent sewage treatment facility is smaller than the sewage discharge flow from the high-level water tank to the overflow water tank. The sewage generated by the flow difference in the overflow water tank flows back to the regulating tank through the overflow port. The sewage treatment system has the beneficial effects that the large-flow sewage discharged by the lift pump is converted into constant continuous small-flow sewage discharged to a subsequent sewage treatment facility.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a water inlet constant flow buffer system.
Background
Associated with the rapidly developing socioeconomic group is the problem of increasingly severe water pollution. At present, the urban sewage treatment rate in China reaches 95%, and the problem of rural sewage treatment is not reasonably solved.
Compared with the existing rural sewage treatment, the working condition flow of the existing commercial water pump is far larger than the flow parameter required by the rural sewage treatment, so that the flow working condition of the water pump is not matched with the treatment flow of the rural sewage treatment system. If the water pump directly discharges the large-flow sewage into the subsequent sewage treatment facility, the subsequent sewage treatment facility will run in an overload mode, the whole system will run in an intermittent mode to increase the idle rate of the system, if the water pump runs in a constant small-flow drainage mode lower than the normal working condition, the water pump is easy to be damaged, and the energy consumption and the control difficulty of the sewage treatment system are easy to increase. Therefore, in view of the current situation that the flow condition of the existing water pump is not matched with the treatment flow of the rural sewage treatment system, a water inlet constant flow buffer system which can introduce sewage into the subsequent sewage treatment facility in a constant continuous small flow manner is urgently needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a water inlet constant flow buffer system, which solves the technical problem that the flow condition of the existing water pump is not matched with the treatment flow of the rural sewage treatment system.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
the embodiment of the utility model provides a water inlet constant-current buffer system, which comprises a regulating reservoir, a high-level water tank and an overflow water tank, wherein the regulating reservoir is connected with the high-level water tank;
along the flowing direction of sewage, the regulating tank, the high-level water tank, the overflow water tank and a subsequent sewage treatment facility are communicated in sequence;
a lifting pump is arranged in the regulating tank and used for lifting the sewage in the regulating tank to the high-level water tank;
a high-level drain valve is arranged between the high-level water tank and the overflow water tank and used for adjusting the flow of sewage discharged from the high-level water tank to the overflow water tank;
the overflow water tank is provided with an overflow port, the overflow port is communicated with the regulating tank through a return pipeline, and the height of the overflow port is lower than the sewage liquid level in the high-level water tank and higher than the sewage liquid level in the subsequent sewage treatment facility;
a low-level drain valve is arranged between the overflow water tank and the subsequent sewage treatment facility and is used for adjusting the sewage flow discharged from the overflow water tank to the subsequent sewage treatment facility so as to be matched with the small-scale treatment flow of the subsequent sewage treatment facility;
the flow rate of sewage discharged from the overflow water tank to the subsequent sewage treatment facility is always smaller than that of sewage discharged from the high-level water tank to the overflow water tank, so that a flow difference is formed in the overflow water tank;
and sewage generated by the flow difference in the overflow water tank flows back into the regulating tank from the overflow port, so that the liquid level of the sewage in the overflow water tank is always consistent with the set height of the overflow port.
According to the utility model, a regulating reservoir liquid level sensor is arranged in the regulating reservoir;
and a high-level water tank liquid level sensor is arranged in the high-level water tank.
According to the utility model, the sewage level in the high-level water tank is always between the set lowest liquid level and the set highest liquid level.
According to the utility model, the high-level water tank is provided with a high-level water tank water inlet and a high-level water tank water outlet, and the overflow water tank is provided with an overflow water tank water inlet and an overflow water tank water outlet;
the high-level water tank water inlet is communicated with the lifting pump in the regulating reservoir, the high-level water tank water outlet is communicated with the overflow water tank water inlet, the overflow water tank water outlet is communicated with the subsequent sewage treatment facility, and the overflow port is communicated with the regulating reservoir.
According to the utility model, the high level tank water inlet is positioned at the upper part of the high level tank, the high level tank water outlet is positioned at the lower part of the high level tank, the overflow tank water inlet and the overflow port are both positioned at the upper part of the overflow tank, and the overflow tank water outlet is positioned at the lower part of the overflow tank.
According to the utility model, the regulating reservoir is communicated with the water inlet of the high-level water tank through a water outlet pipeline of the lifting pump:
the high-level water tank water outlet and the overflow water tank water inlet are communicated through a high-level water tank water drainage pipeline:
the water outlet of the overflow water tank is communicated with the subsequent sewage treatment facility through a water discharge pipeline of the overflow water tank.
According to the utility model, the high level drain valve is disposed in the high level tank drain line and the low level drain valve is disposed in the overflow tank drain line.
(III) advantageous effects
The utility model has the beneficial effects that:
the utility model is provided with the regulating reservoir, the high-level water tank, the overflow water tank and the subsequent sewage treatment facility which are sequentially communicated, and the lifting pump is arranged in the regulating reservoir, so that the sewage in the regulating reservoir is lifted into the high-level water tank in a large flow manner.
Furthermore, the following settings are carried out on the head tank, the overflow tank and the subsequent sewage treatment facility: a high-level drain valve is arranged between the high-level water tank and the overflow water tank, an overflow port is arranged on the overflow water tank, a low-level drain valve is arranged between the overflow water tank and the subsequent sewage treatment facility, the height of the overflow port is lower than the sewage level in the high-level water tank and higher than the sewage level in the subsequent sewage treatment facility, the overflow water tank is communicated with the regulating tank through the overflow port, the flow of sewage discharged from the high-level water tank to the overflow water tank is always larger than that of sewage discharged from the overflow water tank to a subsequent sewage treatment facility by adjusting the high-level drain valve and the low-level drain valve, so that the sewage liquid level in the overflow water tank is always kept consistent with the setting height of the overflow port and lower than the sewage liquid level in the high-level water tank, and then the sewage liquid level in the overflow water tank and the sewage liquid level in the high-level water tank form a liquid level height difference, so that the sewage in the high-level water tank flows into the overflow water tank by gravity. Meanwhile, the sewage liquid level in the overflow water tank and the sewage liquid level in the subsequent sewage treatment facility always have constant liquid level height difference, under the action of the constant liquid level height difference, the sewage in the overflow water tank is continuously discharged into the subsequent sewage treatment facility by gravity at constant small flow, and the sewage generated by the flow difference in the overflow water tank flows back into the regulating reservoir through an overflow port of the overflow water tank.
Through the arrangement, the utility model realizes that the large-flow sewage discharged by the lifting pump in the regulating reservoir is converted into the continuous constant small-flow sewage discharged into the subsequent sewage treatment facility so as to adapt to the treatment condition of the sewage treatment system, and the sewage treatment system can continuously work so as to improve the working efficiency of the sewage treatment equipment and reduce the energy consumption for operation. Meanwhile, the utility model can keep the lift pump running under the normal high-flow working condition, and avoid the damage of the lift pump caused by the pump blocking running. In addition, the utility model has simple structure and easy control, and reduces the control difficulty.
Drawings
FIG. 1 is a system diagram of an embodiment of a wastewater treatment system of the present invention.
[ description of reference ]
1: a regulating tank; 11: a lift pump; 12: a regulating tank liquid level sensor; 13: a water outlet pipeline of the lift pump;
2: a high-level water tank; 21: a water inlet of the high-level water tank; 22: a water outlet of the high-level water tank; 221: a high level drain valve; 23: a high level water tank level sensor; 24: a high level tank drain line;
3: an overflow water tank; 31: a water inlet of the overflow water tank; 32: a water outlet of the overflow water tank; 321: a low level drain valve; 33: an overflow port; 34: a drain line of the overflow tank; 35: a return line;
4: and (5) subsequent sewage treatment facilities.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper", "lower", and the like are used with reference to the orientation of FIG. 1.
Referring to fig. 1, an embodiment of the present invention provides a water inlet constant flow buffer system, which is capable of introducing sewage into a subsequent sewage treatment facility 4 in a constant continuous small flow manner, and includes a regulating tank 1, a high level water tank 2, and an overflow water tank 3. Along the flowing direction of sewage, the adjusting tank 1, the high-level water tank 2, the overflow water tank 3 and the subsequent sewage treatment facility 4 are communicated in sequence. Wherein, the adjusting tank 1 is used for accommodating sewage and adjusting water quality and water quantity. The subsequent sewage treatment facility 4 is used for treating sewage. The high-level water tank 2 and the overflow water tank 3 are used for converting the large-flow sewage discharged from the regulating tank 1 into constant continuous small-flow sewage discharged into the subsequent sewage treatment facility 4 so as to be suitable for the working condition of constant small flow of the subsequent sewage treatment facility 4. Wherein, the constant in the constant sewage treatment system means that the flow rate of sewage discharged into the subsequent sewage treatment facility 4 is constant.
Specifically, set up elevator pump 11 in equalizing basin 1, elevator pump 11 is used for promoting the sewage in the equalizing basin 1 to high flush tank 2 with large-traffic.
The high level tank 2 is positioned above the overflow tank 3 so that the sewage in the high level tank 2 is more easily discharged into the overflow tank 3. A high level drain valve 221 is provided between the high level tank 2 and the overflow tank 3. The high-level drain valve 221 is used to regulate the flow of sewage discharged from the high-level tank 2 to the overflow tank 3.
An overflow port 33 is arranged on the overflow water tank 3, and a low-level drain valve 321 is arranged between the overflow water tank 3 and the subsequent sewage treatment facility 4.
The setting height of overflow mouth 33 is less than the sewage liquid level in the high level water tank 2 and is higher than the sewage liquid level in the follow-up sewage treatment facility 4, overflow tank 3 passes through overflow mouth 33 and equalizing basin 1 intercommunication, through setting up overflow mouth 33, so that the sewage that is higher than overflow mouth 33 department flows back to equalizing basin 1 by overflow mouth 33, and then make the sewage liquid level in the overflow tank 3 be less than the sewage liquid level in the high level water tank 2 all the time, so that the sewage liquid level in the overflow tank 3 and the sewage liquid level in the high level water tank 2 form the difference in height, and then make the sewage in the high level water tank 2 flow into in the overflow tank 3 because of the dead weight. Wherein, the height of the overflow port 33 is the distance between the overflow port 33 and the bottom of the overflow water tank 3.
The low-level drain valve 321 is used for adjusting the flow rate of the sewage discharged from the overflow water tank 3 to the subsequent sewage treatment facility 4 to match the treatment flow rate of the subsequent sewage treatment facility 4.
The low level drain valve 321 and the high level drain valve 221 are adjusted to make the sewage flow discharged from the high level tank 2 to the overflow tank 3 always greater than the sewage flow discharged from the overflow tank 3 to the subsequent sewage treatment facility 4, i.e. the sewage flow discharged from the overflow tank 3 always greater than the sewage flow discharged from the overflow tank 3 to the subsequent sewage treatment facility 4, so as to form a difference between the discharged and discharged flows in the overflow tank 3, and the sewage generated in the overflow tank 3 due to the difference between the flows back to the regulating tank 1 through the overflow port 33 of the overflow tank 3, so that the sewage level in the overflow tank 3 is always in accordance with the height of the overflow port 33.
The sewage level in the overflow water tank 3 is kept consistent with the setting height of the overflow port 33, that is, the sewage level in the overflow water tank 3 is always kept lower than the lowest liquid level of the sewage in the high-level water tank 2 and higher than the sewage level in the subsequent sewage treatment facility 4, and meanwhile, the sewage level in the overflow water tank 3 and the sewage level in the subsequent sewage treatment facility 4 always have constant height difference. Under the action of the constant height difference between the sewage level in the overflow water tank 3 and the sewage level in the subsequent sewage treatment facility 4, the sewage in the overflow water tank 3 is continuously discharged into the subsequent sewage treatment facility 4 by gravity at a constant small flow rate.
In summary, the present invention can achieve the following effects: through setting up equalizing basin 1, high flush tank 2, overflow tank 3 and follow-up sewage treatment facility 4 that communicate in proper order to set up elevator pump 11 in equalizing basin 1, in order to promote the high flush tank 2 with large-traffic mode with sewage in the equalizing basin 1.
Further, the following settings are made on the head tank 2, the overflow tank 3, and the subsequent sewage treatment facility 4: a high-level drain valve 221 is arranged between the high-level water tank 2 and the overflow water tank 3, an overflow port 33 is arranged on the overflow water tank 3, a low-level drain valve 321 is arranged between the overflow water tank 3 and the subsequent sewage treatment facility 4, the height of the overflow port 33 is lower than the sewage level in the high-level water tank 2 and higher than the sewage level in the subsequent sewage treatment facility 4, the overflow water tank 3 is communicated with the regulating reservoir 1 through the overflow port 33, the sewage flow discharged into the overflow water tank 3 from the high-level water tank 2 is always larger than the sewage flow discharged into the subsequent sewage treatment facility 4 from the overflow water tank 3 by adjusting the high-level drain valve 221 and the low-level drain valve 321, the sewage level in the overflow water tank 3 is always consistent with the height of the overflow port 33 and lower than the sewage level in the high-level water tank 2, and the sewage level in the overflow water tank 3 and the high-level water tank 2 form a liquid level height difference, and the sewage in the high-level water tank 2 flows into the overflow water tank 3 due to the self-weight. Meanwhile, the sewage liquid level in the overflow water tank 3 and the sewage liquid level in the subsequent sewage treatment facility 4 always have a constant liquid level height difference. Under the action of the constant liquid level difference, the sewage in the overflow water tank 3 is continuously discharged into the subsequent sewage treatment facility 4 by gravity at a constant small flow rate, and the sewage generated in the overflow water tank 3 due to the flow rate difference flows back into the regulating reservoir 1 through the overflow port 33 of the overflow water tank 3.
Through the arrangement, the utility model realizes the conversion of the large-flow sewage discharged from the regulating tank 1 into the continuous constant small-flow sewage discharged into the subsequent sewage treatment facility 4 so as to adapt to the treatment conditions of the subsequent sewage treatment facility 4, and enables the subsequent sewage treatment facility 4 to continuously work so as to improve the working efficiency of the subsequent sewage treatment facility 4 and reduce the operation energy consumption. Meanwhile, the utility model can keep the lift pump 11 running under the normal large-flow working condition, and avoid the damage of the lift pump 11 caused by the pump-out running. In addition, the utility model has simple structure and easy control, and reduces the control difficulty.
Further, in order to keep the height of the overflow port 33 lower than the sewage level in the high-level water tank 2, the sewage level in the high-level water tank 2 is always between the set lowest level and the set highest level.
Specifically, a regulating reservoir liquid level sensor 12 is arranged in the regulating reservoir 1, and the regulating reservoir liquid level sensor 12 is used for monitoring the sewage liquid level of the regulating reservoir 1. A high-level water tank liquid level sensor 23 is arranged in the high-level water tank 2, and the high-level water tank liquid level sensor 23 is used for monitoring the sewage liquid level of the high-level water tank 2.
The regulating reservoir liquid level sensor 12, the high-level water tank liquid level sensor 23 and the lift pump 11 are used for regulating the sewage liquid level in the high-level water tank 2, so that the sewage liquid level in the high-level water tank 2 is always between the set lowest liquid level and the set highest liquid level.
Wherein, the sewage liquid level in the equalizing basin 1 is equipped with shut down water level and start water level, and the shut down water level is less than the start water level.
The principle of regulating the sewage liquid level in the high-level water tank 2 to be always between the set lowest liquid level and the set highest liquid level is as follows:
when the adjusting tank liquid level sensor 12 monitors that the sewage liquid level in the adjusting tank 1 reaches the start-up water level and the high-level water tank liquid level sensor 23 monitors that the sewage liquid level in the high-level water tank 2 reaches the minimum liquid level, the lift pump 11 is started up, and the sewage in the adjusting tank 1 is lifted into the high-level water tank 2 through the lift pump 11.
When the adjusting tank liquid level sensor 12 monitors that the liquid level of the sewage in the adjusting tank 1 reaches a shutdown water level or the high-level water tank liquid level sensor 23 monitors that the liquid level of the sewage in the high-level water tank 2 reaches a maximum liquid level, the lift pump 11 is shut down, and the lift pump 11 in the adjusting tank 1 stops discharging the sewage into the high-level water tank 2.
Further, the connection mode of the adjusting tank 1, the high-level water tank 2, the overflow water tank 3 and the subsequent sewage treatment facility 4 is as follows:
the high-level cistern 2 is provided with a high-level cistern inlet 21 and a high-level cistern outlet 22, and the overflow cistern 3 is provided with an overflow cistern inlet 31 and an overflow cistern outlet 32. The adjusting tank 1 is communicated with a high-level water tank water inlet 21, a high-level water tank water outlet 22 is communicated with an overflow water tank water inlet 31, an overflow water tank water outlet 32 is communicated with the subsequent sewage treatment facility 4, and an overflow port 33 is communicated with the adjusting tank 1.
The working principle is as follows:
the sewage in the regulating reservoir 1 is discharged into the high-level water tank 2 through the regulating reservoir 1 and the high-level water tank water inlet 21 in sequence under the working condition of large flow by the lifting pump 11. Under the action of the height difference of the sewage liquid levels in the high-level water tank 2 and the overflow water tank 3, the sewage in the high-level water tank 2 is discharged into the overflow water tank 3 through the high-level water tank water outlet 22 and the overflow water tank water inlet 31 in sequence due to the dead weight. Under the action of the constant height difference of the sewage liquid levels in the overflow water tank 3 and the subsequent sewage treatment facility 4, the sewage in the overflow water tank 3 is discharged into the subsequent sewage treatment facility 4 through the overflow water tank water outlet in sequence at constant continuous small flow. The sewage generated by the flow difference in the overflow water tank 3 flows back to the regulating tank 1 through the overflow port 33.
Specifically, the high level tank inlet 21 is located at the upper portion of the high level tank 2, the high level tank outlet 22 is located at the lower portion of the high level tank 2, the overflow tank inlet 31 and the overflow port 33 are both located at the upper portion of the overflow tank 3, and the overflow tank outlet 32 is located at the lower portion of the overflow tank 3. Wherein the overflow port 33 is located at an upper portion except the top portion.
The high level tank water inlet 21 is provided at the upper portion of the high level tank 2 so that the sewage in the equalizing tank 1 is discharged into the high level tank 2 without being subjected to the hydraulic resistance of the high level tank 2. The overflow tank inlet 31 and the overflow outlet 33 are located at an upper portion of the overflow tank 3 so that the sewage in the higher level tank 2 is discharged into the overflow tank 3 and the water level in the overflow tank 3 (i.e., the overflow water level) is maintained at a high level, thereby maintaining a certain level difference. The head tank drain port 22 is provided at a lower portion of the head tank 2, and the overflow tank drain port 32 is provided at a lower portion of the overflow tank 3, so that the sewage in the head tank 2 is drained into the overflow tank 3 and the sewage in the overflow tank 3 is drained into the subsequent sewage treatment facility 4.
Specifically, the equalizing basin 1 is communicated with the head tank water inlet 21 through the lift pump water outlet pipeline 13, the head tank water outlet 22 is communicated with the overflow tank water inlet 31 through the head tank water outlet pipeline 24, the overflow tank water outlet 32 is communicated with the subsequent sewage treatment facility 4 through the overflow tank water outlet pipeline 34, and the overflow outlet 33 is communicated with the equalizing basin 1 through the return pipeline 35.
Specifically, a high level drain valve 221 is disposed in the high level tank drain line 24 and a low level drain valve 321 is disposed in the overflow tank drain line 34.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (7)
1. A water inlet constant-current buffer system is characterized by comprising a regulating tank (1), a high-level water tank (2) and an overflow water tank (3);
along the flowing direction of sewage, the adjusting tank (1), the high-level water tank (2), the overflow water tank (3) and a subsequent sewage treatment facility (4) are communicated in sequence;
a lifting pump (11) is arranged in the adjusting tank (1), and the lifting pump (11) is used for lifting the sewage in the adjusting tank (1) to the high-level water tank (2);
a high-level drain valve (221) is arranged between the high-level water tank (2) and the overflow water tank (3), and the high-level drain valve (221) is used for adjusting the flow of sewage discharged from the high-level water tank (2) to the overflow water tank (3);
an overflow port (33) is formed in the overflow water tank (3), the overflow port (33) is communicated with the regulating tank (1) through a return pipeline (35), and the height of the overflow port (33) is lower than the sewage liquid level in the high-level water tank (2) and higher than the sewage liquid level in the subsequent sewage treatment facility (4);
a low-level drain valve (321) is arranged between the overflow water tank (3) and the subsequent sewage treatment facility (4), and the low-level drain valve (321) is used for adjusting the sewage flow discharged from the overflow water tank (3) to the subsequent sewage treatment facility (4) so as to match the small-scale treatment flow of the subsequent sewage treatment equipment;
the sewage flow discharged from the overflow water tank (3) to the subsequent sewage treatment facility (4) is always smaller than the sewage flow discharged from the high-level water tank (2) to the overflow water tank (3), so that a flow difference is formed in the overflow water tank (3);
and sewage generated by the flow difference in the overflow water tank (3) flows back to the regulating tank (1) through the overflow port (33), so that the sewage liquid level in the overflow water tank (3) is always consistent with the setting height of the overflow port (33).
2. The water inlet constant flow buffer system as claimed in claim 1, wherein a regulating reservoir liquid level sensor (12) is arranged in the regulating reservoir (1);
and a high-level water tank liquid level sensor (23) is arranged in the high-level water tank (2).
3. The water inlet constant flow buffer system as claimed in claim 2, wherein the sewage level in the high level tank (2) is always between the set lowest level and the set highest level.
4. The water inlet constant flow buffer system as claimed in claim 1, wherein the high level tank (2) is provided with a high level tank water inlet (21) and a high level tank water outlet (22), and the overflow tank (3) is provided with an overflow tank water inlet (31) and an overflow tank water outlet (32);
the high-level water tank water inlet (21) is communicated with a lifting pump (11) in the adjusting tank (1), the high-level water tank water outlet (22) is communicated with the overflow water tank water inlet (31), the overflow water tank water outlet (32) is communicated with the subsequent sewage treatment facility (4), and the overflow port (33) is communicated with the adjusting tank (1).
5. The water inlet constant flow buffering system as claimed in claim 4, wherein the high level tank water inlet (21) is located at the upper part of the high level tank (2), the high level tank water outlet (22) is located at the lower part of the high level tank (2), the overflow tank water inlet (31) and the overflow port (33) are both located at the upper part of the overflow tank (3), and the overflow tank water outlet (32) is located at the lower part of the overflow tank (3).
6. The water inlet constant flow buffer system of claim 4, wherein:
the adjusting tank (1) is communicated with the water inlet (21) of the high-level water tank through a water outlet pipeline (13) of the lifting pump:
the high-level water tank water outlet (22) is communicated with the overflow water tank water inlet (31) through a high-level water tank water discharge pipeline (24):
the overflow tank drain (32) is communicated with the subsequent sewage treatment facility (4) through an overflow tank drain pipeline (34).
7. The water inlet constant flow buffering system as claimed in claim 6, wherein the high level drain valve (221) is disposed in the high level tank drain line (24) and the low level drain valve (321) is disposed in the overflow tank drain line (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781655.9U CN215756498U (en) | 2021-08-02 | 2021-08-02 | Water inlet constant-current buffer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781655.9U CN215756498U (en) | 2021-08-02 | 2021-08-02 | Water inlet constant-current buffer system |
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| Publication Number | Publication Date |
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| CN215756498U true CN215756498U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121781655.9U Active CN215756498U (en) | 2021-08-02 | 2021-08-02 | Water inlet constant-current buffer system |
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| Country | Link |
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| CN (1) | CN215756498U (en) |
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2021
- 2021-08-02 CN CN202121781655.9U patent/CN215756498U/en active Active
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