阅读说明：本技术 一种污水提升设备以及运用该设备的污水处理方法 (Sewage lifting device and sewage treatment method using same ) 是由 陈星� 周迪琴 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种污水提升设备以及运用该设备的污水处理方法,涉及污水处理领域。该方案包括蓄水箱、污水提升泵、进水管以及出水管,进水管与出水管均与一共通管连接,污水提升泵的出水端处设置有第一单向阀,共通管上设置有与蓄水箱内部连通的进水口,在进水口处设置第一进水电磁阀；共通管上还设置有第一过滤网,进水口位于所述第一单向阀与第一进水电磁阀之间,进水管上设置第二单向阀,出水管上设置第三单向阀。提出一种污水提升设备及污水处理方法,进水时,第一过滤网对进入蓄水箱内的污水进行过滤,延长污水提升泵的使用寿命；可启动污水提升泵排水,对第一过滤网上附着的过滤污物进行反冲清洗,节能环保。(The invention discloses a sewage lifting device and a sewage treatment method using the same, and relates to the field of sewage treatment. The scheme comprises a water storage tank, a sewage lifting pump, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are both connected with a common pipe, a first one-way valve is arranged at the water outlet end of the sewage lifting pump, a water inlet communicated with the interior of the water storage tank is arranged on the common pipe, and a first water inlet electromagnetic valve is arranged at the water inlet; the common pipe is also provided with a first filter screen, the water inlet is positioned between the first one-way valve and the first water inlet electromagnetic valve, the water inlet pipe is provided with a second one-way valve, and the water outlet pipe is provided with a third one-way valve. The sewage lifting equipment and the sewage treatment method are provided, when water enters, the first filter screen filters sewage entering the water storage tank, and the service life of a sewage lifting pump is prolonged; the sewage lifting pump can be started to drain water, the filtered dirt attached to the first filter screen is backflushed and cleaned, and the energy is saved and the environment is protected.)

1. A sewage lifting device comprises a water storage tank (1), a sewage lifting pump (2), a water inlet pipe (3) and a water outlet pipe (4), wherein the sewage lifting pump (2) is arranged in the water storage tank (1), the water inlet pipe (3) and the water outlet pipe (4) are connected with the sewage lifting pump (2), the sewage lifting device is characterized in that the water inlet pipe (3) and the water outlet pipe (4) are both arranged outside the water storage tank (1), the water inlet pipe (3) and the water outlet pipe (4) are both connected with a common pipe (5), one end of the common pipe (5) penetrates into the water storage tank (1) and is connected with the water outlet end of the sewage lifting pump (2), a first one-way valve (201) is arranged at the water outlet end of the sewage lifting pump (2), a water inlet (501) communicated with the interior of the water storage tank (1) is arranged on the common pipe (5), a first water inlet electromagnetic valve is arranged at the water inlet (501), the first water inlet electromagnetic valve is normally open, and the first water inlet electromagnetic valve is closed when the sewage lifting pump (2) is started to work;

still be provided with first filter screen (502) on common-way pipe (5), water inlet (501) are located between first check valve (201) and the first solenoid valve of intaking, set up second check valve (301) on inlet tube (3), set up third check valve (401) on outlet pipe (4).

2. The sewage lifting device according to claim 1, wherein a shock absorption seat (6) is arranged in the water storage tank (1), the sewage lifting pump (2) is arranged on the shock absorption seat (6), and the water outlet end of the sewage lifting pump (2) is connected with a flexible joint (7) and is connected with the common pipe (5) through the flexible joint (7).

3. The sewage lifting equipment according to claim 1 or 2, wherein a second water inlet solenoid valve (302) and a bypass pipe (8) are further arranged on the water inlet pipe (3), the bypass pipe (8) is communicated with the inside of the water storage tank (1), the second water inlet solenoid valve (302) is positioned on one side of the second one-way valve (301) departing from the water outlet pipe (4), the bypass pipe (8) is arranged between the second water inlet solenoid valve (302) and the second one-way valve (301), a pressure relief valve (802) and a pressure sensor (801) are arranged at one end of the bypass pipe (8) positioned in the water storage tank (1), a second filter screen is arranged at the end of the bypass pipe (8), and the pressure sensor (801) controls the second water inlet solenoid valve (302) to open and close.

4. The sewage lifting device according to claim 3, wherein a water level sensor group is further arranged in the water storage tank (1), the water level sensor group comprises a low position detection sensor (9) and a middle position detection sensor (10), the low position detection sensor (9) and the middle position detection sensor (10) are both arranged in the water storage tank (1), the low position detection sensor (9) is located below the middle position detection sensor (10), and the height of the low position detection sensor (9) is not lower than the height of the water inlet end of the sewage lifting pump (2).

5. Sewage lifting device according to claim 4, characterized in that said sewage lifting pump (2) is provided in plurality, the water inlet ends of said sewage lifting pumps (2) are all connected with said common pipe (5).

6. Sewage lifting device according to claim 5, characterised in that said set of water level sensors further comprises a high level detection sensor (11), said high level detection sensor (11) being located above said medium level detection sensor (10).

7. The sewage lifting device according to claim 6, wherein the water level sensor group further comprises a danger alarm position sensor (12), the danger alarm position sensor (12) is arranged at the top of the inner cavity of the water storage tank (1), or the danger alarm position sensor (12) is arranged on the side wall of the inner cavity of the water storage tank (1) and close to one side of the top of the inner cavity, an alarm (13) is arranged outside the water storage tank (1), and the danger alarm position sensor (12) controls the alarm (13) to work.

8. Sewage lifting device according to claim 7, characterised in that said alarm (13) is one or a combination of an audible alarm (13), a light alarm (13).

9. A sewage treatment method using the sewage lifting device according to claim 8,

the method comprises the following steps:

s1: the second water inlet electromagnetic valve (302) is opened, and water is fed into the water storage tank (1);

s2: controlling the water inlet and outlet of the water storage tank (1) according to the liquid level height in the water storage tank (1):

when the pressure sensor (801) is triggered and the liquid level in the water storage tank (1) is located above the height of the low-level detection sensor (9) of the sewage lifting pump (2), the sewage lifting pump (2) works to drain water, the second water inlet electromagnetic valve (302) is closed, and water inlet is stopped;

when the pressure sensor (801) is not triggered, and when the liquid level in the water storage tank (1) is positioned above the height of the high-level detection sensor (11) and below the height of the danger alarm level sensor (12), the high-level detection sensor (11) is triggered to control the plurality of sewage lifting pumps (2) to work for draining;

when the liquid level in the water storage tank (1) is below the height of the low-level detection sensor (9), the low-level detection sensor (9) is triggered, and the sewage lifting pump (2) is stopped to work;

when the liquid level in the water storage tank (1) is located above the height of the danger alarm position sensor (12), the water inlet valve is closed to stop water inflow, the sewage lifting pump (2) is closed to stop water drainage, and the alarm (13) is opened to give an alarm.

10. The wastewater treatment method according to claim 9, wherein in step S2, when the pressure sensor (801) is activated and the liquid level in the water storage tank (1) is above the level of the neutral position detection sensor (10) of the wastewater lift pump (2), the wastewater lift pumps (2) are controlled to operate to drain, and the second water inlet solenoid valve (302) is closed to stop water inlet.

Technical Field

The invention relates to the field of sewage treatment, in particular to a sewage lifting device and a sewage treatment method using the same.

Background

A sewage lifting equipment or sewage lifter is mainly used for discharging sewage of sanitary ware in basement and places far away from vertical drainage pipe and without sewage self-flowing discharge, and can also be used in places with poor drainage conditions of ships and vehicles.

The sewage lifting device in the existing market is mostly applied to lifting the sewage level in a toilet, and in the existing published patent documents, for example, the Chinese patent application with the application number of '201811563103.3' discloses a sewage lifting device, which comprises a sewage tank, a vacuum pump and a sewage pump, wherein a sewage chamber, a vacuum chamber and a clean water chamber are arranged in the sewage tank, the upper part of the sewage chamber is communicated with the vacuum chamber, a sewage inlet is arranged on the vacuum chamber above the sewage chamber, the lower part of the sewage chamber is communicated with a sewage pump liquid inlet, a sewage discharge pipe is arranged on the sewage pump liquid outlet, the lower part of the clean water chamber is communicated with an inner cavity of the vacuum pump, a vacuum pump air suction port is communicated with the upper part of the vacuum chamber through a check valve.

When the scheme of this patent application used, be connected sewage import through valve and urinal or floor drain, when needs blowdown, open the valve, sewage is taken into the dirty hydroecium rapidly under the effect of vacuum force, also takes away the peculiar smell in the air simultaneously and arranges outdoors, and sanitary effect is good, and the sewage pump is opened and is arranged it into appointed place when the indoor sewage of sewage reaches the take the altitude.

Although this scheme can play quick emission and the clearance of sewage, nevertheless do not filter etc. to sewage and handle, impurity in the sewage easily pollutes the sewage pump when passing through the sewage pump to cause the sewage pump to block up, need often maintain the device, and the serious influence causes the normal life of sewage pump, consequently, need propose new sewage lifting means and sewage treatment scheme.

Disclosure of Invention

In order to solve the technical problems, a first object of the present invention is to provide a sewage lifting device, which includes a water storage tank, a sewage lifting pump, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are connected to a common pipe, and a first filter screen is disposed on the common pipe, so that sewage entering the water storage tank is filtered by the first filter screen, thereby reducing dirt entering the water storage tank and polluting the sewage lifting pump, so as to prolong the service life of the sewage lifting pump, and the filter screen can be back-flushed and cleaned during the water discharging process of the sewage lifting pump, so as to recycle the filter screen.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a sewage lifting device comprises a water storage tank, a sewage lifting pump, a water inlet pipe and a water outlet pipe, wherein the sewage lifting pump is arranged in the water storage tank, the water inlet pipe and the water outlet pipe are connected with the sewage lifting pump, the water inlet pipe and the water outlet pipe are arranged outside the water storage tank, the water inlet pipe and the water outlet pipe are both connected with a common pipe, one end of the common pipe penetrates into the water storage tank and is connected with the water outlet end of the sewage lifting pump, a first one-way valve is arranged at the water outlet end of the sewage lifting pump, a water inlet communicated with the inside of the water storage tank is arranged on the common pipe, a first water inlet electromagnetic valve is arranged at the water inlet, the first water inlet electromagnetic valve is normally open, and the first water inlet electromagnetic valve is closed when the sewage lifting pump is started to work;

still be provided with first filter screen on the common-way pipe, the water inlet is located between first check valve and the first solenoid valve of intaking, set up the second check valve on the inlet tube, set up the third check valve on the outlet pipe.

Through the arrangement, when water is fed, the first water inlet electromagnetic valve is normally open, sewage enters the water storage tank through the water inlet pipe and passes through the second one-way valve, the first filter screen, the common pipe, the water inlet and the first water inlet electromagnetic valve, the sewage entering the water storage tank is filtered by the first filter screen arranged on the common pipe, so that the possibility that sewage enters the water storage tank along with water flow and further pollutes the sewage lifting pump is reduced, the service life of the sewage lifting pump is prolonged, when the sewage in the water storage tank is accumulated to a certain amount and needs to be drained, the sewage lifting pump is started, the first water inlet electromagnetic valve is closed, the sewage in the water storage tank passes through the outlet end of the sewage lifting pump and passes through the first one-way valve, the first filter screen and the third one-way valve to be drained from the water outlet pipe, at the moment, the second one-way valve is closed, and during the drainage, the sewage attached on the first filter screen is backfl, the filth that washes down is discharged from the outlet pipe along with rivers to make first filter screen keep effectual filter effect, ability reuse reduces the trouble that needs artifical maintenance.

Preferably, a damping seat is arranged in the water storage tank, the sewage lifting pump is arranged on the damping seat, and the water outlet end of the sewage lifting pump is connected with a flexible joint and is connected with the common pipe through the flexible joint.

Through setting up like this, the vibration of sewage elevator pump can be cushioned to the shock attenuation seat to in sewage elevator pump working process, the production of noise reduction sets up flexible joint and connects sewage elevator pump and be connected with the common pipe, and the vibration that reduces sewage elevator pump is to the common pipe transmission, thereby reduces the vibration of common pipe, reduces common pipe and water storage box junction and produces the crack and cause the possibility of leaking, stability and the reliability that improve equipment used.

Preferably, a second water inlet electromagnetic valve and a bypass pipe are further arranged on the water inlet pipe, the bypass pipe is communicated with the inside of the water storage tank, the second water inlet electromagnetic valve is located on one side, away from the water outlet pipe, of the second one-way valve, the bypass pipe is arranged between the second water inlet electromagnetic valve and the second one-way valve, a pressure release valve and a pressure sensor are arranged at one end, located at the water storage tank, of the bypass pipe, a second filter screen is arranged at the end portion of the bypass pipe, and the pressure sensor controls the second water inlet electromagnetic valve to be opened and closed.

Through setting up like this, gather the filth and when taking place to block up when first filter screen, the pressure of intaking in the inlet pipe will rise, when pressure of intaking is greater than pressure sensor's set pressure value, the relief valve triggers, and through the relief valve pressure release, close the second solenoid valve of intaking, stop intaking, and intake to the water storage box through the bypass pipe and carry out the pressure release, filter the water that gets into the water storage box through the bypass pipe through the second filter screen, follow-up can cooperate the outside drainage of sewage elevator pump to carry out the recoil washing to first filter screen, thereby resume the normal use of first filter screen.

Preferably, a water level sensor group is further arranged in the water storage tank and comprises a low-position detection sensor and a middle-position detection sensor, the low-position detection sensor and the middle-position detection sensor are both arranged in the water storage tank, the low-position detection sensor is located below the middle-position detection sensor, and the height of the low-position detection sensor is not lower than the height of the water inlet end of the sewage lifting pump.

Through setting up like this, when the liquid level height of water storage box was located low level detection sensor under, the work of stopping sewage elevator pump to protection sewage elevator pump, and be favorable to energy-conservation.

Preferably, the sewage lift pump is provided with a plurality of water inlet ends, and the water inlet ends of the sewage lift pumps are connected with the common pipe.

Through setting up like this, set up a plurality of sewage elevator pumps, when needs are quick with the water discharge in the water storage box, can start a plurality of sewage elevator pumps simultaneously, the drainage is efficient, and when need not quick drainage, can only select to work as a sewage elevator pump, select in a flexible way.

Preferably, the water level sensor group further comprises a high position detection sensor, and the high position detection sensor is located above the middle position detection sensor.

Through setting up like this, when the liquid level in the water storage box was located high-order detection sensor on, high-order detection sensor triggered and starts a plurality of sewage elevator pumps to accelerate the discharge of the water in the water storage box, reduce the excessive gathering of sewage in the water storage box, the protection water storage box.

Preferably, the water level sensor group further comprises a danger alarm position sensor, the danger alarm position sensor is arranged at the top of the inner cavity of the water storage tank, or the danger alarm position sensor is arranged on the side wall of the inner cavity of the water storage tank and close to one side of the top of the inner cavity, an alarm is arranged outside the water storage tank, and the danger alarm position sensor controls the alarm to work.

Through setting up like this, when the liquid level in the water storage box was too high and triggered dangerous warning position sensor, stop intaking to report to the police through the alarm, overhaul in order reminding the site work personnel, prevent that the condition that the retaining is too much even spills over from taking place in the water storage box.

Preferably, the alarm is one of a sound alarm and a light alarm or a combination thereof.

Through the arrangement, the alarm can be given through sound alarm or light alarm or the combination of sound and light alarm, so that the reminding effect is achieved.

Based on the same inventive concept, a second object of the present invention is to provide a sewage treatment method using the above sewage lifting device, comprising the following steps:

s1: the second water inlet electromagnetic valve is opened to feed water into the water storage tank;

s2: controlling the water inlet and outlet of the water storage tank according to the liquid level height in the water storage tank:

when the pressure sensor is triggered and the liquid level in the water storage tank is positioned above the height of the low-level detection sensor of the sewage lifting pump, the sewage lifting pump works to drain water, the second water inlet electromagnetic valve is closed, and water inlet is stopped;

when the pressure sensor is not triggered, and when the liquid level in the water storage tank is positioned above the height of the high-level detection sensor and below the height of the danger alarm level sensor, the high-level detection sensor triggers to control a plurality of sewage lifting pumps to work for draining;

when the liquid level in the water storage tank is below the height of the low-level detection sensor, the low-level detection sensor is triggered, and the sewage lifting pump stops working;

and when the liquid level in the water storage tank is higher than the height of the danger alarm position sensor, closing the water inlet valve to stop water inflow, closing the sewage lifting pump to stop water drainage, and opening the alarm to alarm.

Through the arrangement, the sewage lifting pump is protected when the liquid level is low, and the sewage lifting pump is started to drain water when the pressure sensor is triggered due to overhigh water inlet pressure caused by blockage of the first filter screen, so that the first filter screen is backflushed, and a plurality of sewage lifting pumps are arranged; and an alarm is further arranged, when the liquid level in the water storage tank triggers the danger alarm level sensor, the second water inlet electromagnetic valve is closed and an alarm is given to prevent the possibility of sewage overflow caused by excessive water storage of the water storage tank due to equipment failure.

Preferably, in step S2, when the pressure sensor is triggered and the liquid level in the water storage tank is above the height of the middle position detection sensor of the sewage lift pumps, the plurality of sewage lift pumps are controlled to operate to discharge water, and the second water inlet solenoid valve is closed to stop water inlet.

Through setting up like this, when the liquid level reached on the high level detection sensor, start simultaneously through a plurality of sewage elevator pumps and carry out quick drainage, the drainage is rapid.

Compared with the prior art, the invention has the beneficial technical effects that:

1. when water enters the sewage lifting equipment, the first filter screen is arranged to filter sewage entering the water storage tank, so that the possibility that sewage enters the water storage tank along with water flow and further pollutes the sewage lifting pump is reduced, and the service life of the sewage lifting pump is prolonged; when sewage gathers a quantitative time, can start the sewage elevator pump drainage, carry out the recoil washing to adnexed filtration filth on the first filter screen, the filth that washes is followed the outlet pipe and is discharged along with rivers to make first filter screen keep effectual filter effect, ability reuse reduces the trouble that needs artifical maintenance, and is energy-concerving and environment-protective.

2. Set up the sewage elevator pump on the shock attenuation seat to set up flexible joint, improve equipment reliability and stability of operation, and be favorable to the noise reduction.

3. Set up the bypass pipe to set up pressure sensor, relief valve and second filter screen on the bypass pipe, after pressure sensor triggered, through the relief valve pressure release, start sewage elevator pump drainage, carry out the recoil washing to first filter screen, be favorable to improving the clear automation of first filter screen.

4. The water level sensor group is arranged, so that the automatic control of water inlet and outlet of the sewage lifting equipment is facilitated.

5. A sewage treatment method, which uses improved sewage lifting equipment to realize the automatic back washing of a first filter screen; when the water storage tank is at a low liquid level, the sewage lifting pump can be shut down and protected; and when the water storage tank has an overhigh liquid level, the water inlet can be stopped, the alarm is given to facilitate the overhaul, and the possibility of sewage overflow is reduced.

6. When the liquid level in the water storage tank is above the high-level detection sensor and below the danger alarm level sensor, a plurality of sewage lifting pumps can be started to quickly drain water.

Drawings

FIG. 1 is a schematic view of the overall structure of a sewage lifting apparatus in embodiment 1 of the present invention;

FIG. 2 is a plan view of a sewage lifting apparatus in example 1 of the present invention;

fig. 3 is a side view of the sewage lifting apparatus in embodiment 1 of the present invention.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. a water storage tank; 2. a sewage lift pump; 201. a first check valve; 3. a water inlet pipe; 301. a second one-way valve; 302. a second water inlet solenoid valve; 303. connecting a joint; 4. a water outlet pipe; 401. a third check valve; 5. a common pipe; 501. a water inlet; 502. a first filter screen; 6. a shock absorbing seat; 7. a flexible joint; 8. a bypass pipe; 801. a pressure sensor; 802. a pressure relief valve; 9. a low-level detection sensor; 10. a neutral detection sensor; 11. a high level detection sensor; 12. a hazard warning location sensor; 13. an alarm; 14. opening and closing the access door; 15. an exhaust pipe; 16. and (4) a manual valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.