CN217526560U - A back washing unit for sewage treatment - Google Patents
A back washing unit for sewage treatment Download PDFInfo
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- CN217526560U CN217526560U CN202220026075.7U CN202220026075U CN217526560U CN 217526560 U CN217526560 U CN 217526560U CN 202220026075 U CN202220026075 U CN 202220026075U CN 217526560 U CN217526560 U CN 217526560U
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Abstract
The utility model provides a back washing unit for sewage treatment, including the sewage treatment jar, filter screen cylinder, the inlet tube, the outlet pipe, back washing mechanism and jam detection mechanism, back washing mechanism includes the back flush pipe, three solenoid valve, water pump and connecting pipe, it includes flow sensor and main control unit to block up detection mechanism, can detect inflow and outflow through the flow sensor who sets up in inlet tube and outlet pipe, if filter screen cylinder is inside when taking place to block up, outflow can reduce, main control unit control three solenoid valve is with the connecting pipe switch-on, then send water to the connecting pipe through the inlet tube in, the water pump is gone into water treatment jar with water from the outlet pipe pump, under the impact of water under high pressure, can get rid of the inside solid impurity who holds back of filter screen cylinder, the water that finally contains solid impurity can be carried the outside from the back flush pipe, guarantee filter screen cylinder's filter effect.
Description
Technical Field
The utility model relates to a sewage treatment technical field, in particular to a back washing unit for sewage treatment.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, and comprises filtration, air flotation, flocculation, a biomembrane method, an oxidation-reduction method and the like, wherein the filtration method is the most commonly used method, and the filtration method means that the sewage passes through a filter screen cylinder, solid particles are intercepted by a filter screen, and the filter screen can block solid impurities under long-time use, so the solid impurities blocked on the filter screen need to be removed by adopting a backwashing method, and the conventional backwashing device needs to be opened after the filter screen is blocked by manual judgment, so the sewage treatment efficiency cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a back flush unit for sewage treatment can judge whether the filter screen blocks up according to the difference of inflow and outflow, when taking place to block up, opens automatically and carries out the back flush, guarantees sewage treatment efficiency.
The technical scheme of the utility model is realized like this:
a back washing device for sewage treatment comprises a sewage treatment tank, a filter screen cylinder, a water inlet pipe, a water outlet pipe, a back washing mechanism and a blockage detection mechanism, wherein the filter screen cylinder is positioned inside the sewage treatment tank; the blockage detection mechanism comprises a flow sensor and a main control unit, the flow sensor is arranged in the water inlet pipe and the water outlet pipe, and the main control unit is arranged on the outer surface of the sewage treatment tank and is respectively electrically connected with the three-way electromagnetic valve, the water pump and the flow sensor.
Preferably, the top of the filter screen cylinder is provided with a through hole, and the bottom ends of the water inlet pipe and the backwashing pipe penetrate through the top of the sewage treatment tank and are connected with the through hole.
Preferably, the sewage treatment tank further comprises a water collecting tank, and the water collecting tank is arranged at the bottom of the sewage treatment tank and is positioned below the water outlet pipe.
Preferably, still include the slide valve, the slide valve setting is in the junction of inlet tube and sewage treatment jar top surface, the main control unit is connected with the slide valve electricity.
Preferably, still include level sensor, level sensor sets up in the water catch bowl, the main control unit is connected with level sensor electricity.
Preferably, still include the stabilizer blade, the stabilizer blade sets up in sewage treatment tank bottom surface.
Preferably, the stabilizer blade includes hollow tube, fall way and electric putter, the hollow tube top is uncovered, the fall way top is connected with sewage treatment tank bottom, and its bottom stretches into in the hollow tube, electric putter sets up inside the hollow tube, and its output shaft is connected with the fall way bottom, the main control unit is connected with electric putter electricity.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a back washing unit for sewage treatment, pending sewage can enter into sewage treatment jar through the inlet tube, solid impurity in the sewage can be held back by the filter screen section of thick bamboo, the outside of sewage treatment jar can be carried from the outlet pipe to the sewage of having got rid of solid impurity, flow sensor through in inlet tube and the outlet pipe detects inflow and outflow, when the filter screen section of thick bamboo is normally filtered, the difference between inflow and the outflow is less, if the filter screen section of thick bamboo takes place to block up, outflow can reduce, main control unit switches on another export through control three solenoid valve, water through the inlet tube transport can enter into the connecting pipe, under the effect of water pump, reverse sewage treatment jar piece of entering from the outlet pipe, wash the surface of filter screen section of thick bamboo, sewage and solid impurity after the washing can be followed the back flush pipe and carried sewage treatment jar outside, realize getting rid of solid impurity, in order to guarantee sewage treatment's efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a backwash device for sewage treatment according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a filter screen drum of a first embodiment of a backwashing device for sewage treatment according to the present invention;
FIG. 3 is a schematic structural view of a support leg of a second embodiment of a backwashing device for sewage treatment according to the present invention;
in the figure, 1 is a sewage treatment tank, 2 is a filter screen cylinder, 3 is a water inlet pipe, 4 is a water outlet pipe, 5 is a back flushing pipe, 6 is a three-way solenoid valve, 7 is a water pump, 8 is a connecting pipe, 9 is a flow sensor, 10 is a main control unit, 11 is a through hole, 12 is a water collecting tank, 13 is a gate valve, 14 is a liquid level sensor, 15 is a supporting leg, 16 is a hollow pipe, 17 is a lifting pipe, and 18 is an electric push rod.
Detailed Description
In order to better understand the technical contents of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 2, the utility model provides a back washing unit for sewage treatment, including sewage treatment tank 1, filter screen cylinder 2, inlet tube 3, outlet pipe 4, back washing mechanism and jam detection mechanism, filter screen cylinder 2 is located inside sewage treatment tank 1, back washing mechanism includes back washing pipe 5, three-way solenoid valve 6, water pump 7 and connecting pipe 8, inlet tube 3 sets up at sewage treatment tank 1 top, outlet pipe 4 sets up at sewage treatment tank 1 bottom, three-way solenoid valve 6 sets up on inlet tube 3 and outlet pipe 4, connecting pipe 8 both ends are connected with three-way solenoid valve 6 on inlet tube 3 and outlet pipe 4 respectively, water pump 7 sets up on connecting pipe 8, back washing pipe 5 sets up at sewage treatment tank 1 top; the blockage detection mechanism comprises a flow sensor 9 and a main control unit 10, wherein the flow sensor 9 is arranged in the water inlet pipe 3 and the water outlet pipe 4, and the main control unit 10 is arranged on the outer surface of the sewage treatment tank 1 and is respectively and electrically connected with the three-way electromagnetic valve 6, the water pump 7 and the flow sensor 9.
The utility model provides a back washing unit for sewage treatment, three solenoid valve 6 divides into two sections with inlet tube 3 and outlet pipe 4 respectively, two exports of three solenoid valve 6 are connected with connecting pipe 8 and another section of inlet tube 3 and outlet pipe 4 respectively, when normally carrying out sewage treatment, three solenoid valve 6 closes the pipeline at connecting pipe 8 place, the sewage that treats enters into sewage treatment jar 1 through inlet tube 3, under the effect of filter screen section of thick bamboo 2, get rid of the solid impurity in the sewage, the sewage of having got rid of solid impurity can be carried the sewage treatment jar 1 outside from outlet pipe 4.
Flow sensor 9 has been set up respectively in inlet tube 3 and outlet pipe 4, flow sensor 9 model is YF-2102-A, can detect inflow and outflow, when normally carrying out sewage treatment, the solid impurity who holds back on the filter screen section of thick bamboo 2 is less, the difference of inflow and outflow is stabilized in certain extent, and when the solid impurity who holds back on the filter screen section of thick bamboo 2 increases, the outflow can reduce gradually, lead to the difference of inflow and outflow to increase gradually, when increasing to a definite value, main control unit 10 can stop carrying out normal sewage treatment, drive three-way solenoid valve 6 switches to another export, make connecting pipe 8 connect into the pipeline, send water into connecting pipe 8 through inlet tube 3, under the effect of water pump 7, go into water from outlet pipe 4 to sewage treatment tank 1, under the impact of water pressure, can break away the solid impurity who holds back in the filter screen section of thick bamboo 2 inner wall, and wash out the water that contains solid impurity from back flushing pipe 5, realize the clearance to filter screen section of thick bamboo 2, guarantee the effect of sewage treatment of STM 10, can realize the main control unit 32 for the selection of the realization of STM 32.
Preferably, the top of the filter screen cylinder 2 is provided with a through hole 11, and the bottom ends of the water inlet pipe 3 and the backwash pipe 5 penetrate through the top of the sewage treatment tank 1 and are connected with the through hole 11.
The through holes 11 can connect the interior of the filter screen cylinder 2 with the water inlet pipe 3 and the back flushing pipe 5, so that sewage can directly enter the interior of the filter screen cylinder 2, and water containing solid impurities can enter the back flushing pipe 5 during back flushing.
Preferably, still include water catch bowl 12, water catch bowl 12 sets up in sewage treatment jar 1 bottom to be located outlet pipe 4 below, still include slide valve 13, slide valve 13 sets up the junction at inlet tube 3 and sewage treatment jar 1 top surface, main control unit 10 is connected with slide valve 13 electricity, still includes level sensor 14, level sensor 14 sets up in water catch bowl 12, main control unit 10 is connected with level sensor 14 electricity.
Water after the sewage treatment normally can enter into the water catch bowl 12 from outlet pipe 4 and collect, set up at level sensor 14 in the water catch bowl 12, level sensor 14 model is XKC-Y26A, can detect the sewage liquid level in the water catch bowl 12, when the liquid level was higher in the water catch bowl 12, main control unit 10 control gate valve 13 was closed inlet tube 3, avoided too much sewage to enter into sewage treatment jar 1, prevented that the sewage after handling from overflowing from the water catch bowl 12.
Preferably, the sewage treatment device further comprises a support leg 15, and the support leg 15 is arranged on the bottom surface of the sewage treatment tank 1.
The support legs 15 are provided to support the sewage treatment tank 1.
Referring to the second embodiment shown in fig. 3, the support leg 15 includes a hollow tube 16, an elevator tube 17 and an electric push rod 18, the top of the hollow tube 16 is open, the top end of the elevator tube 17 is connected to the bottom of the sewage treatment tank 1, the bottom end of the elevator tube 17 extends into the hollow tube 16, the electric push rod 18 is disposed inside the hollow tube 16, the output shaft of the electric push rod is connected to the bottom end of the elevator tube 17, and the main control unit 10 is electrically connected to the electric push rod 18.
Because the amount of sewage at different periods can be different, the water collecting tanks 12 with different volumes need to be replaced, for this reason, the supporting legs 15 are set to be adjustable in height in the present embodiment, and the main control unit 10 drives the electric push rod 18 to push the lifting pipe 17 to lift along the hollow pipe 16 to adjust the size of the bottom area of the sewage treatment tank 1, so that the area of the bottom of the sewage treatment tank 1 is changed, and the water collecting tanks 12 with different volumes can be adopted.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The backwashing device for sewage treatment is characterized by comprising a sewage treatment tank, a filter screen cylinder, a water inlet pipe, a water outlet pipe, a backwashing mechanism and a blockage detection mechanism, wherein the filter screen cylinder is positioned inside the sewage treatment tank; the blockage detection mechanism comprises a flow sensor and a main control unit, the flow sensor is arranged in the water inlet pipe and the water outlet pipe, and the main control unit is arranged on the outer surface of the sewage treatment tank and is respectively electrically connected with the three-way electromagnetic valve, the water pump and the flow sensor.
2. The backwashing device for treating sewage as recited in claim 1, wherein a through hole is formed in the top of said filter screen cylinder, and the bottom ends of said water inlet pipe and said backwashing pipe pass through the top of said sewage treatment tank and are connected to said through hole.
3. The backwash device for sewage treatment as claimed in claim 1, further comprising a water collection tank provided at the bottom of the sewage treatment tank below the water outlet pipe.
4. The backwashing device for sewage treatment of claim 1, further comprising a gate valve, wherein the gate valve is arranged at the joint of the water inlet pipe and the top surface of the sewage treatment tank, and the main control unit is electrically connected with the gate valve.
5. The backwashing device for sewage treatment of claim 3, further comprising a liquid level sensor, wherein the liquid level sensor is arranged in the water collecting tank, and the main control unit is electrically connected with the liquid level sensor.
6. The backwashing device for treating sewage of claim 1, further comprising a support leg, wherein the support leg is arranged on the bottom surface of the sewage treatment tank.
7. The backwashing device for sewage treatment of claim 6, wherein the support legs comprise a hollow tube, an elevator tube and an electric push rod, the top of the hollow tube is open, the top end of the elevator tube is connected with the bottom of the sewage treatment tank, the bottom end of the elevator tube extends into the hollow tube, the electric push rod is arranged inside the hollow tube, an output shaft of the electric push rod is connected with the bottom end of the elevator tube, and the main control unit is electrically connected with the electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026075.7U CN217526560U (en) | 2022-01-06 | 2022-01-06 | A back washing unit for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026075.7U CN217526560U (en) | 2022-01-06 | 2022-01-06 | A back washing unit for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217526560U true CN217526560U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220026075.7U Active CN217526560U (en) | 2022-01-06 | 2022-01-06 | A back washing unit for sewage treatment |
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| Country | Link |
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| CN (1) | CN217526560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221139A (en) * | 2023-05-08 | 2023-06-06 | 河北润和泵业有限公司 | Submersible pump and automatic protection device for water shortage |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
-
2022
- 2022-01-06 CN CN202220026075.7U patent/CN217526560U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221139A (en) * | 2023-05-08 | 2023-06-06 | 河北润和泵业有限公司 | Submersible pump and automatic protection device for water shortage |
| CN117589959A (en) * | 2024-01-18 | 2024-02-23 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
| CN117589959B (en) * | 2024-01-18 | 2024-04-09 | 河南中溯检测科技有限公司 | Water quality detection system for construction engineering for water |
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