CN204826172U - Automatic backwash sewage forced -ventilated device - Google Patents

Abstract

The utility model relates to an automatic backwash sewage strong discharge device, which effectively solves the problems of easy blockage in drainage and the like; Rinse the filter, the first backwash filter and the second backwash filter are connected with the first sewage pump and the second sewage pump, the first automatic backwash filter and the second automatic backwash filter are provided with vertical The first water tank self-cleaning spray head and the second water tank self-cleaning spray head, the first automatic backwash filter and the second automatic backwash filter are provided with water outlets, the first automatic backwash filter and the second automatic backwash filter are connected with each other There is a first normally closed water outlet check valve and a second normally closed water outlet check valve between the water outlets, and a first normally open check valve is arranged on the first automatic backwash filter and the second automatic backwash filter in turn. Water inlet check valve, water distributor, second normally open water inlet check valve; the utility model has no pollution and no noise.

Description

Automatic backwash sewage strong drainage device

technical field

The utility model relates to the technical field of sewage treatment, in particular to an automatic backwash sewage strong discharge device.

Background technique

With the rapid development of social economy and the continuous improvement of people's environmental requirements, sewage treatment has become a major problem in contemporary society. The traditional collection well type "one pit and two pumps" treatment method is gradually eliminated due to factors such as odor, easy blockage of sewage pumps, difficulty in cleaning out sump pits, and pollution of the surrounding environment; while ordinary sewage lifting devices are easy to block and require regular cleaning. Digging, sewage and odor excretion, high operating intensity and other factors cannot keep up with the requirements of the times. Based on this, our company has designed and developed an automatic backwash sewage forced discharge device to meet the society's demands for sewage treatment.

Contents of the invention

In view of the above situation, in order to overcome the defects of the prior art, the purpose of this utility model is to provide an automatic backwash sewage strong discharge device, which effectively solves the problem of peculiar smell, easy blockage, difficulty in cleaning and pollution in the traditional water collection well type treatment drainage. environmental issues.

The technical solution is to include a water collection tank, the bottom of the water collection tank is provided with a first automatic backwash filter and a second automatic backwash filter, and the first backwash filter and the second backwash filter are respectively connected with a set The first sewage pump and the second sewage pump at the bottom of the water collection tank, the first automatic backwash filter and the second automatic backwash filter are respectively provided with vertical self-cleaning nozzles of the first water tank and self-cleaning nozzles of the second water tank through pipelines. The other ends of the first automatic backwash filter and the second automatic backwash filter are respectively provided with water outlets connected to the outside world through pipelines, and the first automatic backwash filter and the second automatic backwash filter are connected to the outlet respectively. There is a first normally closed water outlet check valve and a second normally closed water outlet check valve between the water outlets, and the pipeline between the first automatic backwash filter and the first normally closed water outlet check valve is connected to the second automatic The pipeline between the backwash filter and the second normally closed water outlet check valve is connected through a connecting pipe, and the connecting pipe is provided with a first normally open water inlet check valve, a water separator, and a second normally open water inlet in sequence. Water check valve, the water distributor is connected to the water inlet, the upper part of the water distributor is connected to the water collection tank with an overflow prevention pipe, the upper part of the water collection tank is equipped with a liquid level detector, and the upper and lower ends of the water collection tank are respectively equipped with ultra-high liquid level detection. device and ultra-low liquid level detector, the first automatic backwash filter, the second automatic backwash filter, the first sewage pump, the second sewage pump, the first water tank self-cleaning nozzle, the second water tank self-cleaning nozzle, the first One normally closed water outlet check valve, the second normally closed water outlet check valve, the first normally open water inlet check valve, water distributor, the second normally open water inlet check valve, liquid level detector, Both the ultra-high liquid level detector and the ultra-low liquid level detector are connected to the control cabinet through PLC system control.

The utility model has an ingenious structure. The automatic backwash sewage strong discharge device adopts a brand-new design concept, takes automatic backwash and strong lifting sewage discharge as the starting point, is based on intelligence, focuses on humanized automatic control, and realizes small space occupation and energy saving. , Beautiful, no pollution, no noise.

Description of drawings

Fig. 1 is a schematic diagram of the utility model.

Fig. 2 is the second schematic diagram of the utility model.

Fig. 3 is a schematic diagram of a backwash filter of the present invention.

Fig. 4 is a schematic diagram of the diversion filter of the present invention.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below in conjunction with the accompanying drawings.

Provided by Fig. 1 to Fig. 4, the utility model comprises a water collection tank 1, the bottom of the water collection tank 1 is provided with a first automatic backwash filter 2 and a second automatic backwash filter 3, the first backwash filter 2 and The second backwash filter 3 is respectively connected with the first sewage pump 4 and the second sewage pump 5 placed at the bottom of the water collection tank 1, and the first automatic backwash filter 2 and the second automatic backwash filter 3 are respectively There are vertical first water tank self-washing nozzles and second water tank self-washing nozzles 6, and the other ends of the first automatic backwash filter 2 and the second automatic backwash filter 3 are respectively provided with water outlets connected to the outside world through pipelines 7. A first normally closed water outlet check valve 8 and a second normally closed water outlet check valve 9 are provided between the first automatic backwash filter 2 and the second automatic backwash filter 3 and the water outlet 7 respectively, The pipeline between the first automatic backwash filter 2 and the first normally closed water outlet check valve 8 and the pipeline between the second automatic backwash filter 3 and the second normally closed water outlet check valve 9 are connected through a connecting pipe 10, the connecting pipe 10 is provided with a first normally open water inlet check valve 11, a water distributor 12, and a second normally open water inlet check valve 13 in sequence, and the water distributor 12 is connected with a water inlet 14, which is divided into The upper part of the water tank 12 has an anti-overflow pipe 15 connected to the water collection tank 1, the upper part of the water collection tank 1 is provided with a liquid level detector 16, and the upper and lower ends of the water collection tank 1 are respectively provided with an ultra-high liquid level detector 17 and an ultra-low liquid level detector. device 18, the first automatic backwash filter 2, the second automatic backwash filter 3, the first sewage pump 4, the second sewage pump 5, the first water tank self-cleaning nozzle, the second water tank self-cleaning nozzle 6, the first Normally closed water outlet check valve 8, second normally closed water outlet check valve 9, first normally open water inlet check valve 11, water distributor 12, second normally open water inlet check valve 13, liquid The level detector 16, the ultra-high liquid level detector 17 and the ultra-low liquid level detector 18 are all connected to the control cabinet 19 through PLC system control.

The water collecting tank 1 is a stainless steel water tank.

The overflow prevention pipe 15 is connected to the upper end of the water collection tank 1 .

The water separator 12 is provided with a diversion filter 20 .

The overflow filter screen is arranged in the overflow prevention pipe 15 .

The ultra-low liquid level detector 18 and the ultra-high liquid level detector 17 are connected with an alarm device.

When the utility model is in use, the sewage containing dirt enters from the water inlet 14 and advances to the water separator 12. A shunt filter 20 is arranged on the top of the water separator 12. The filter 20 is connected to the overflow prevention pipe 15, and the sewage is separated Pass through the first normally open water inlet check valve 11 and the second normally open water inlet check valve 13, and then respectively pass through the first automatic backwash filter device 2 and the second backwash filter 3 to filter the dirt , the dirt is temporarily stored in the first automatic backwash filter 2 and the second backwash filter 3, and the separated sewage enters the water collection tank 1.

When the sewage liquid level in the water collection tank 1 reaches the liquid level detector 16, the liquid level detector 16 transmits a signal to the control system, and the control system sends a start command to make the first sewage pump 4 start to carry out strong sewage discharge. Under the discharge pressure of the sewage pump 4, the first normally open water inlet check valve 11 is automatically closed, and the first normally closed water outlet check valve 8 is automatically opened to remove the temporarily stored dirt in the first automatic backwash filter 2. It is discharged together with the sewage, and the sewage backwashes the first automatic backwash filter 2 at the same time, and the self-cleaning nozzle of the first water tank also cleans the water collection tank 1.

When the pipeline system of the first sewage pump 4, the first normally open water inlet check valve 11, the first automatic backwash filter 2, and the first normally closed water outlet check valve 8 is performing forced discharge, the second normally The open water inlet check valve 13 inlet pipeline system still continues to flow in sewage and separates dirt through the second backwash filter 3 .

When the first sewage pump 4 reaches the limited working time, it will automatically stop working. At this time, the first normally open water inlet check valve 11 will automatically open to receive incoming water again, and the first normally closed water outlet check valve 8 will automatically close to prevent drainage. Sewage backflow in the pipe.

When the sewage in the water collection tank 1 reaches the liquid level detector 16 again, the control system will automatically start the second sewage pump 5 for strong sewage discharge. Under the discharge pressure of the second sewage pump 5, the second normally open water inlet stop The return valve 13 is automatically closed, the second normally closed water outlet check valve 9 is automatically opened, and the dirt temporarily stored in the second backwash filter 3 is forcibly discharged along with the sewage, and the sewage is discharged to the second backwash filter 3 at the same time. For reverse flushing, the second water tank self-washing nozzle 6 also cleans the water collecting tank 1.

When the second sewage pump 5 and the second normally open water inlet check valve 13, the second normally closed water outlet check valve 9, and the second backwash filter 3 pipeline systems are forced to discharge, the first normally open The water inlet check valve 11 water inlet pipeline system still continues to flow into the sewage and separates the dirt through the first automatic backwash filter device 2 .

When the second sewage pump 5 reaches the limited working time, it will automatically stop working. At this time, the second normally open water inlet check valve 13 will automatically open to receive incoming water again, and the second normally closed water outlet check valve 9 will automatically close to prevent drainage. Sewage backflow in the pipe.

The PLC control system can make the first sewage pump 4 and the second sewage pump 5 work alternately, as backups for each other, and repeat the above working process.

The first sewage pump 4 and the second sewage pump 5 respectively have two sets of independent backwash filters: the first automatic backwash filter 2, the second backwash filter 3, the first sewage pump 4 and the second sewage pump 5. Under the PLC control system, the automatic alternate operation will not affect the inflow of sewage, and the supporting water facilities can be used normally.

The equipment is designed with an ultra-high liquid level detector device 17. When the liquid level reaches the ultra-high liquid level detector 17, the PLC control system will automatically switch to the dual-pump simultaneous start mode of the first sewage pump 4 and the second sewage pump 5, At this time, the anti-overflow pipeline 15 designed on the equipment can ensure that the sewage continues to flow in without affecting the normal operation of the equipment.

The equipment is designed with an ultra-low liquid level alarm device. When the ultra-low liquid level detector 18 is reached, the PLC control system will automatically start the ultra-low liquid level alarm system and automatically shut down the first sewage pump 4 and the second sewage pump 5, so as to Protect the two sewage pumps and avoid the sewage pumps from running dry.

The model of the utility model is THQP, and the automatic backwash sewage strong discharge device consists of an integral stainless steel water tank, an automatic backwash filter, a shunt filter 20, a water tank self-cleaning nozzle, a liquid level detector 16, an overflow prevention pipeline 15, The sewage pump group and the intelligent control cabinet 19 are formed as a whole, and it is a sewage treatment equipment integrating automatic backwashing and strong drainage. The equipment has the characteristics of automatic backwashing, rapid sewage lifting, automatic cleaning of the water collection tank, no clogging, no pollution, no cleaning, no worker on duty, etc., and has the advantages of significant savings, low noise, less land occupation, and high reliability. Focusing on automatic control, it adopts the international famous brand high-quality inverter Switzerland ABB built-in liquid level sensor detection device, based on the collection, analysis and judgment of liquid level information by PLC, and realizes humanized automatic control by controlling the working status of the sewage lifting pump. It is the most advanced sewage treatment equipment at present.

The utility model has many advantages:

1. The filter device is used to separate the solid from the liquid, the backwashing device automatically cleans the filter, the liquid level detection device discharges sewage accurately and timely, the rapid lifting device can realize reverse pressure sewage discharge, and the automatic cleaning water tank device does not need to be cleaned;

2. The equipment is designed as a closed structure, no pollution, no peculiar smell, hygienic and environmental protection;

3. PLC intelligent automatic operation, no need for manual guarding;

4. The water tank and pipe fittings are made of 304 and 316 stainless steel, which is anti-corrosion and durable;

5. Built-in design, compact structure and small footprint.

The conditions and scope of this new type of use are also very wide:

1. The PH value of sewage, PH ≥ 2 can be used;

2. The temperature of the sewage is between 0-40 degrees;

3. The density of sewage ≤ 1200kg/㎡;

4. Ambient humidity ≤ 90%;

5. It can discharge all debris that can flow freely in the pipeline;

6. It is used in the lifting and discharge of sewage in underground construction sites of hotels, shopping malls, hotels, hospitals, stations, office buildings, entertainment venues and other facilities.

The core components of the utility model are an integral stainless steel water tank, an intelligent electrical control system, a non-clogging impeller sewage pump, an automatic backwash filter device, a water tank self-cleaning device, an overflow prevention pipeline system, liquid level signal acquisition, and feedback facilities.

The utility model can also have intelligent humanized configuration functions:

1. Ultra-high liquid level alarm function: When the system has an ultra-high liquid level, the system will automatically detect and identify this signal and send out an alarm signal and automatically start the dual-pump operation mode;

2. Ultra-low liquid level alarm function: When the system has an ultra-low liquid level, the system automatically detects and recognizes this signal and sends out an alarm signal and automatically starts the dual-pump shutdown mode;

3. Mobile phone monitoring function: use the mobile phone to monitor the operation of the equipment. When the system has a failure that cannot be automatically processed, the information will be automatically sent to 5 groups of mobile phone users, so that the operation management personnel can deal with it in time. At the same time, the system will regularly send the operation information every day Send to the specified user's mobile phone;

4. Local centralized monitoring: various communication ports or LAN interfaces can be configured for users to realize data exchange;

5. Man-machine dialogue function: the system can be configured with a touch-type man-machine interface, which can be dynamically displayed to simplify the man-machine dialogue;

6. Remote monitoring: monitoring function GPRS, remote data transmission function can be configured, the real-time data of equipment operation can be transmitted to remote remote monitoring center or our company's centralized monitoring center in time, and the data can also be stored in the data center for reference at any time or converted into Save in the format required by the user.

The utility model has an ingenious structure. The automatic backwash sewage strong discharge device adopts a brand-new design concept, takes automatic backwash and strong lifting sewage discharge as the starting point, is based on intelligence, focuses on humanized automatic control, and realizes small space occupation and energy saving. , Beautiful, no pollution, no noise.

Claims (6)

1. An automatic backwash sewage strong discharge device, including a water collection tank (1), characterized in that the bottom of the water collection tank (1) is provided with a first automatic backwash filter (2) and a second automatic backwash filter (3), the first backwash filter (2) and the second backwash filter (3) are respectively connected with the first sewage pump (4) and the second sewage pump (5) placed at the bottom of the water collection tank (1) , the first automatic backwash filter (2) and the second automatic backwash filter (3) are respectively provided with vertical first water tank self-cleaning nozzles and second water tank self-cleaning nozzles (6) via pipelines, the first The other ends of the automatic backwash filter (2) and the second automatic backwash filter (3) are respectively provided with water outlets (7) connected to the outside world through pipelines, the first automatic backwash filter (2) and the second automatic backwash filter A first normally closed water outlet check valve (8) and a second normally closed water outlet check valve (9) are provided between the backwash filter (3) and the water outlet (7). The first automatic backwash filter The pipe between the device (2) and the first normally closed water outlet check valve (8) and the pipe between the second automatic backwash filter (3) and the second normally closed water outlet check valve (9) The connecting pipe (10) is connected, and the connecting pipe (10) is sequentially provided with a first normally open water inlet check valve (11), a water separator (12), and a second normally open water inlet check valve (13). , the water distributor (12) is connected with a water inlet (14), the upper part of the water distributor (12) has an anti-overflow pipe (15) connected to the water collection tank (1), and the upper part of the water collection tank (1) is provided with a liquid level detector ( 16), the upper and lower ends of the water collection tank (1) are respectively equipped with an ultra-high liquid level detector (17) and an ultra-low liquid level detector (18), the first automatic backwash filter (2), the second automatic backwash filter Rinse the filter (3), the first sewage pump (4), the second sewage pump (5), the self-cleaning nozzle of the first water tank, the self-cleaning nozzle of the second water tank (6), the first normally closed water outlet check valve ( 8), the second normally closed water outlet check valve (9), the first normally open water inlet check valve (11), the water distributor (12), the second normally open water inlet check valve (13) , the liquid level detector (16), the ultra-high liquid level detector (17) and the ultra-low liquid level detector (18) are all connected to the control cabinet (19) through PLC system control. 2. An automatic backwash sewage strong drainage device according to claim 1, characterized in that the water collection tank (1) is a stainless steel water tank. 3. An automatic backwash sewage forced discharge device according to claim 1, characterized in that the overflow prevention pipe (15) is connected to the upper end of the water collection tank 1. 4. The automatic backwash sewage forced discharge device according to claim 1, characterized in that, the water separator (12) is provided with a diverter filter (20). 5. The automatic backwash sewage strong discharge device according to claim 1, characterized in that, the overflow filter is provided inside the overflow prevention pipe (15). 6. The automatic backwash sewage forced drainage device according to claim 1, characterized in that the ultra-low liquid level detector (18) and the ultra-high liquid level detector (17) are connected with an alarm device.