CN212417188U

CN212417188U - Sewage lifting device

Info

Publication number: CN212417188U
Application number: CN202021468462.3U
Authority: CN
Inventors: 陈星�; 周迪琴
Original assignee: Guangzhou Hengde Environmental Protection Technology Co ltd
Current assignee: Guangzhou Hengde Environmental Protection Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-01-29
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a sewage lifting means relates to the sewage treatment field. 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. When water enters, the first filter screen filters the sewage entering the water storage tank, so that the service life of the 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.

Description

Sewage lifting device

Technical Field

The utility model relates to a sewage treatment field, concretely relates to sewage lifting device.

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 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.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a sewage lifting device, it includes the water storage box, the sewage elevator pump, inlet tube and outlet pipe, through with inlet tube and go out water piping connection and a communicating pipe on, and set up first filter screen on the communicating pipe, filter the sewage that gets into in the water storage box through first filter screen, thereby reduce in the filth gets into the water storage box and cause the pollution to the sewage elevator pump, thereby prolong the life of sewage elevator pump, can also carry out the recoil washing to the filter screen through sewage elevator pump drainage in-process, in order to carry out recycle to the filter screen, moreover, the steam generator is simple in structure, energy-saving and environment-friendly.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

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.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

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.

Drawings

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

FIG. 2 is a plan view of a sewage lifting apparatus according to embodiment 1 of the present invention;

fig. 3 is a side view of the sewage lifting device 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 specific embodiments.

Example 1

Referring to fig. 1 ~ 3, this embodiment discloses a sewage lifting means, including water storage box 1, sewage elevator pump 2, inlet tube 3 and outlet pipe 4, sewage elevator pump 2 sets up in water storage box 1, inlet tube 3, outlet pipe 4 all is connected with sewage elevator pump 2, the water pipe all sets up outside water storage box 1 with outlet pipe 4, inlet tube 3 all is connected with a common pipe 5 with outlet pipe 4, common pipe 5 one end penetrates in water storage box 1 and is connected with the play water end of sewage elevator pump 2, the position that common pipe 5 and water storage box 1 are connected adopts the waterproof sealed glue of using always among the prior art to do sealing process.

A first one-way valve 201 is arranged at the water outlet end of the sewage lifting pump 2, and the opening direction of the first one-way valve 201 is the direction from the water outlet end of the sewage lifting pump 2 to the common pipe 5, as shown by an arrow a in fig. 1;

be provided with the water inlet 501 with the inside intercommunication of water storage box 1 on the common-way pipe 5, set up first solenoid valve of intaking (not shown in the figure) in water inlet 501 department, water inlet 501 is located between first check valve 201 and the first solenoid valve of intaking, and first solenoid valve of intaking is normally open solenoid valve, and when sewage elevator pump 2 started the during operation of draining off water, first solenoid valve of intaking was closed to it flows back to in the water storage box 1 through water inlet 501 to reduce drainage in-process water.

The common pipe 5 is further provided with a first filter screen 502, the first filter screen 502 is located on one side of the water inlet 501 departing from the first one-way valve 201, the water inlet pipe 3 is provided with a second one-way valve 301, the water outlet pipe 4 is provided with a third one-way valve 401, wherein the opening direction of the second one-way valve 301 is the direction from the water inlet end of the water inlet pipe 3 to the common pipe 5, as shown by an arrow B in fig. 1, and the opening direction of the third one-way valve 401 is the direction from the common pipe 5 to the water outlet end of the water outlet pipe 4, as shown by an arrow C in fig. 1.

The water storage tank 1 is internally provided with a shock absorption seat 6, the shock absorption seat 6 is arranged on the bottom surface of the water storage tank 1, the sewage lifting pump 2 is arranged on the shock absorption seat 6, in the embodiment, the shock absorption seat 6 comprises a flexible cushion, the flexible cushion is fixed on the bottom surface of the water storage tank 1 through a threaded fastener such as a screw or a bolt assembly, and the flexible cushion can be a rubber cushion or a silica gel cushion;

the play water end of sewage elevator pump 2 still is connected with flexible joint 7, and flexible joint 7 deviates from the one end and the common pipe 5 of sewage elevator pump 2 and is connected, is connected sewage elevator pump 2 with common pipe 5 through flexible joint 7, reduces sewage elevator pump 2 and transmits the vibration to common pipe 5 in the course of the work.

The water inlet pipe 3 is also provided with a second water inlet electromagnetic valve 302 and a bypass pipe 8, the bypass pipe 8 is communicated with the inside of the water storage tank 1, the second water inlet electromagnetic valve 302 is positioned on one side of the second one-way valve 301, which is far away from the water outlet pipe 4, the bypass pipe 8 is arranged between the second water inlet electromagnetic valve 302 and the second one-way valve 301, one end of the bypass pipe 8, which is positioned on the water storage tank 1, is provided with a pressure sensor 801 and a pressure release valve 802, the pressure sensor 801 presets a trigger threshold value, when the water pressure in the water inlet pipe 3 reaches the preset trigger threshold value, the pressure sensor 801 triggers, the second water inlet electromagnetic valve 302 is closed, the sewage lifting pump 2 is started to work, water is discharged to the outside of the water storage;

a second filter screen (not shown) is arranged at the end part of the bypass pipe 8 to filter the sewage which is decompressed by the decompression valve 802 and enters the water storage tank 1.

A water level sensor group (not marked in the figure) is further arranged in the water storage tank 1 and comprises a low-position detection sensor 9, a middle-position detection sensor 10, a high-position detection sensor 11 and a danger alarm position sensor 12, the position detection sensor, the middle-position detection sensor 10, the high-position detection sensor 11 and the danger alarm position sensor 12 are all arranged in the water storage tank 1 and are sequentially arranged from bottom to top, and the height H1 of the low-position detection sensor 9 is not lower than the height H of the water inlet end of the sewage lifting pump 2.

The height of the middle position detection sensor 10 is H2, the height of the high position detection sensor 11 is H3,

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 is close to one side of the top of the inner cavity, in the embodiment, the danger alarm position sensor 12 is arranged at the top of the inner cavity of the water storage tank 1, the height of the danger alarm position sensor 12 is H4, H is not less than H1 and not more than H2 and not more than H3 and not more than H4;

in this embodiment, the low level detection sensor 9, the middle level detection sensor 10, the high level detection sensor 11, and the hazard warning level sensor 12 may be all floating ball type liquid level switches, or may be electrode type liquid level switches, electronic type liquid level switches, or capacitance type liquid level switches.

An alarm 13 is arranged outside the water storage tank 1, and the danger alarm position sensor 12 controls the alarm 13 to work.

The alarm 13 is one or a combination of a sound alarm 13 and a light alarm 13, the sound alarm 13 can be a buzzer, and the lamp alarm 13 can be an alarm lamp.

Referring to fig. 2 to 3, the sewage lift pumps 2 are provided in plurality, and the water inlet ends of the sewage lift pumps 2 are connected with the common pipe 5.

In this embodiment, the water inlet pipes 3 and the water outlet pipes 4 are all provided with a plurality of water inlet pipes 3, the water inlet pipes 3 are connected through a connection joint 303, and the bypass pipe 8 is arranged on the connection joint 303.

Referring to fig. 1 and 2, the top of the water storage tank 1 is further provided with an access door 14, the top of the water storage tank 1 is further connected with an exhaust pipe 15, and one side of the side wall of the water storage tank 1 close to the bottom surface is further provided with a manual valve 16 for manually discharging water outwards in the access process.

Example 2

Referring to fig. 1 to 3, the present embodiment discloses a sewage treatment method, which uses the sewage lifting apparatus in embodiment 1, and includes the following steps:

s1: the second water inlet electromagnetic valve 302 is opened to feed water 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 detection sensor 9 of the sewage lifting pump 2, namely H0 is greater than H1, the sewage lifting pump 2 works to drain water, the second water inlet electromagnetic valve 302 is closed, and water inlet is stopped; the first filter screen 502 is blocked due to dirt after the first filter screen 502 is used for a period of time, so that the water inlet pressure in the water inlet pipe 3 is increased, when the water inlet pressure is greater than a preset threshold value of the pressure sensor 801, the pressure sensor 801 is triggered, and the subsequent sewage lifting pump 2 is controlled to be started to perform backflushing operation;

further, when the pressure sensor 801 is triggered and the liquid level in the water storage tank 1 is located above the height of the middle detection sensor 10 of the sewage lifting pump 2, namely H0 is greater than H2, the plurality of sewage lifting pumps 2 are controlled to work simultaneously, the second water inlet electromagnetic valve 302 is closed, water inlet is stopped, and water discharge to the outside of the water storage tank 1 is accelerated;

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, namely H0 is more than or equal to H3 and less than H4, the high-level detection sensor 11 is triggered to control the plurality of sewage lifting pumps 2 to work and drain water;

when the liquid level in the water storage tank 1 is below the height of the low-level detection sensor 9, namely H0 is not more than H1, the low-level detection sensor 9 triggers and stops the operation of the sewage lifting pump 2;

when the liquid level in the water storage tank 1 is higher than the height of the danger alarm level sensor 12, namely H0 is more than or equal to H4, the water inlet valve is closed to stop water inlet, the sewage lifting pump 2 is closed to stop water drainage, and the alarm 13 is opened to give an alarm.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims

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).