CN206512824U - Rainwater automatic shunt flow abandoning apparatus - Google Patents

Abstract

The utility model discloses a device for automatically diverting and discarding rainwater, which comprises a device cavity, a water inlet, a basket filter area, a collection electric valve, a pump group for discarding flow, a water quality meter, a rainfall sensor, a rain frequency sensor and a control system, and a water quality meter. , rainfall sensor, rain frequency sensor, collection electric valve and waste flow pump group are respectively connected to the control system through cables. The rainwater automatic diversion and abandonment device in the utility model has changed the multi-well and multi-point type of the traditional rainwater abandonment treatment system in the prior art, such as grilles, interception wells, safety wells, abandonment devices, initial filter devices, and grit chambers. The treatment makes the collection of rainwater more reasonable, and at the same time solves the problem of waste water drainage. The waste water drainage in the utility model is pressurized drainage, and emergency measures are also provided to further ensure the safety of the whole system.

Description

Rainwater automatic diversion and abandonment device

technical field

The utility model belongs to the technical field of rainwater diversion treatment equipment, in particular to a rainwater automatic diversion and discarding device.

Background technique

Water is the most precious resource for human beings, but due to human waste and environmental pollution, clean water resources are decreasing day by day. With the rapid development of society and economy, urban processes are accelerating, water resources are deteriorating, groundwater levels are declining, and urban water use Difficult problems are also becoming more and more serious. The country spends huge sums of money on the South-to-North Water Diversion Project, but it can only meet the water problem in some areas, and cannot fundamentally solve the problem of water shortage. In addition, urbanization has replaced the original vegetation and soil with impermeable ground. , leading to a large amount of rainwater loss and destroying the natural ecological and hydrological environment.

As a clean water source, rainwater plays an important role in the environment and water resource utilization, and has far-reaching significance to our living environment and water ecology. At present, more and more countries are beginning to pay attention to collecting clean rainwater. Rainwater collection usually uses roofs, ground roads, green spaces, natural hillsides, etc. The initial rainwater is mixed with a lot of pollutants, sediment and impurities. Therefore, the initial rainwater should be discarded. Collect the clean rainwater in the middle and late stage, and filter and remove the impurities in the rainwater to ensure the normal operation of the water storage system in the later stage and ensure the safety of drainage. The clean rainwater after treatment, evaporation and filtration can fully meet the standard of drinking water.

Traditional rainwater collection methods include various combinations of initial rainwater abandonment devices, interception wells, diversion wells, initial rainwater filtration, and grit chambers. When the treatment process is operated under the condition of high sludge load, expansion will occur, which makes it difficult to separate the sludge, resulting in the system not operating normally, the effluent is not up to standard, and the treatment is difficult. Moreover, the rainwater collection system in the prior art needs to build a new biochemical sedimentation tank, which leads to a large floor area and civil construction investment, and there are many disadvantages such as bloated equipment and large volume, which is not conducive to the development of rainwater resource utilization.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a more reasonable rainwater collection, which can simultaneously solve the problem of waste water drainage and automatic rainwater diversion and waste flow device.

The utility model is realized through the following technical solutions: a device for automatically diverting and discarding rainwater, which includes an equipment cavity, a water inlet, a basket filter area, a collection electric valve, a pump group for discarding flow, a water quality meter, a rainfall sensor, a rain frequency Sensor and control system, water quality meter, rainfall sensor, rain frequency sensor, collection electric valve and waste flow pump group are respectively connected to the control system through cables. The equipment cavity is divided into filter collection chamber and emergency waste flow chamber, filter collection chamber and The emergency flow chambers are connected to each other;

An overflow port connected to the municipal pipe network is respectively arranged on the side wall of the filter collection chamber and the emergency disposal chamber, and a liquid level sensor is arranged in the filter collection chamber, and a low liquid level float is respectively arranged on the liquid level sensor And the high liquid level float, the side wall of the filter collection chamber is provided with a collection port connected to the collection pipe network, and a collection electric valve is connected to the collection port;

The basket filter area is set at the water inlet of the filter collection chamber. The basket filter area is mainly composed of water inlet, water quality meter, deflector slant plate, filter screen and sewage intercepting basket. The water quality meter is set at the water inlet, at the bottom of the filter screen There is a sewage intercepting basket, and a sloping diversion plate is arranged between the water inlet and the filter screen. One end of the slant diversion plate is connected to the bottom of the water inlet, and the other end of the slant diversion plate is connected to the bottom of the filter screen;

The jettison pump set is arranged at the bottom of the emergency jettison cavity, and the jettison pump set is composed of several sets of jettison pump equipment, and each set of jettison pump equipment includes a water suction port, a jettison butterfly valve and a jettison pump. There is a waste flow butterfly valve connected to both sides, the waste flow pump and the waste flow butterfly valve are connected by a waste flow soft connection, a water suction port is connected to the water inlet of the waste flow butterfly valve, and the water outlet end of the waste flow butterfly valve is connected to a waste flow collecting pipe , the waste flow collecting pipe is connected to the waste flow outlet, the water suction port extends into the bottom of the filter collection chamber, and the waste flow outlet extends out of the emergency waste flow chamber.

The bottom of the filter collection chamber is set on the ground, the bottom of the emergency flow disposal chamber is provided with a channel steel base, and the bottom of the emergency flow disposal chamber is higher than the bottom of the filter collection chamber.

An inspection port is arranged on the top of the filter collection cavity above the filter area of the basket.

The jettison pump set consists of two sets of jettison pump equipment, and the jettison pump is a vertical single-stage centrifugal pump.

A basket handle is arranged on the dirt intercepting basket, and a check valve is connected to each discarding flow butterfly valve.

The control system is mainly composed of PLC programmable module, man-machine touch screen, AC contactor, thermal breaker, air switch and intermediate relay.

The waste flow pump set is composed of water suction port, waste flow disc valve, waste flow soft connection, waste flow collecting pipe, waste flow outlet and check valve. When the water quality and rainfall do not meet the preset requirements and the liquid level When the low-level float of the sensor exceeds the low liquid level, the waste flow pump is started to discharge the unqualified water to the municipal pipe network.

The liquid level sensor is a switch signal, with two liquid levels of low liquid level and high liquid level. The low liquid level can protect the water pump, and the low liquid level will stop the pump. For high liquid level emergency, when the water level in the equipment cavity reaches the high level, the control system will alarm and enter the emergency state. Inside the pipe network.

The rain sensor is a pulse signal. When it rains, the rainfall is converted into a pulse signal and transmitted to the control system through the cable. The rainfall value can be set, such as 1-10 mm. The rain frequency sensor collects the frequency of the rain when it rains, and transmits it to the control system in the form of a pulse signal through the cable. The water quality meter mainly detects the content of turbidity suspended solids pollutants and transmits them to the control system in the form of pulse signals.

The control system is mainly composed of PLC programmable module, human-machine touch screen, AC contactor, thermal breaker, air switch and intermediate relay. The control system cooperates with the water quality meter, liquid level sensor, rain sensor and rain frequency sensor to automatically analyze and detect the signals of rainwater quality, liquid level, rainfall and rain frequency, so as to realize fully automatic work.

The beneficial effects of the utility model are: the rainwater automatic diversion and abandonment device in the utility model has changed the grille, interception well, safety well, abandonment device, initial filter device and sedimentation system of the traditional rainwater treatment system in the prior art. Multi-well and multi-point treatment such as sand tanks, the rainwater automatic diversion and abandonment device in this application makes the collection of rainwater more reasonable, and also solves the problem of abandonment and drainage at the same time. The discarded flow drainage in the utility model is pressurized drainage, while similar products on the market use non-gravity flow drainage, and the non-gravity flow drainage cannot automatically drain when the elevation of the discarded flow pipe network does not meet the conditions. The rainwater automatic diversion and abandonment device in this application is also provided with emergency measures, which further ensures the safety of the entire system.

Description of drawings

Fig. 1 is the side structure schematic diagram of the rainwater automatic diversion and abandonment device of the utility model;

Fig. 2 is a top view structure schematic diagram of the rainwater automatic diversion and discarding device of the utility model;

Fig. 3 is a schematic diagram of the cable connection of each equipment in the rainwater automatic diversion and abandonment device of the utility model;

In the figure: 1-water inlet; 2-collection electric valve; 3-water quality meter; 4-rain sensor; 5-rain frequency sensor; 6-control system; 7-cable; 8-filter collection chamber; 9-emergency disposal Flow chamber; 10-overflow port; 11-liquid level sensor; 12-low liquid level float; 13-high liquid level float; 14-collection port; 15-basket handle; Filter screen; 18-sewage interception basket; 19-water suction port; 20-discard butterfly valve; 21-discard pump; 22-discard soft connection; base; 26-access port.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail.

As shown in Figures 1 to 3, a device for automatically diverting and discarding rainwater, which includes a device cavity, a water inlet 1, a basket filter area, a collection electric valve 2, a drain pump set, a water quality meter 3, a rain sensor 4, The rain frequency sensor 5 and the control system 6, the water quality meter 3, the rainfall sensor 4, the rain frequency sensor 5, the collection electric valve 2 and the waste flow pump group are respectively connected to the control system 6 through the cable 7, and the equipment cavity is divided into a filter collection cavity 8 and the emergency jettison chamber 9, the filter collection chamber 8 and the emergency jettison chamber 9 communicate with each other;

An overflow port 10 connected to the municipal pipe network is respectively arranged on the side walls of the filter collection chamber 8 and the emergency disposal chamber 9, and a liquid level sensor 11 is provided in the filter collection chamber 8, and a liquid level sensor 11 is respectively provided on the liquid level sensor 11. There are low liquid level floats 12 and high liquid level floats 13, and a collection port 14 connected to the collection pipe network is provided on the side wall of the filter collection chamber 8, and a collection electric valve 2 is connected to the collection port 14;

The basket filter area is set at the water inlet 1 of the filter collection chamber 8. The basket filter area is mainly composed of the water inlet 1, the water quality meter 3, the diversion inclined plate 16, the filter screen 17 and the sewage intercepting basket 18. The water quality meter 3 is set at the inlet At the water outlet 1, a dirt intercepting basket 18 is provided at the bottom of the filter screen 17, and a swash plate 16 is provided between the water inlet 1 and the filter screen 17, and one end of the swash plate 16 is connected to the bottom of the water inlet 1, The other end of deflector inclined plate 16 is connected with the bottom of screen pack 17;

The waste flow pump set is arranged at the bottom of the emergency waste flow cavity 9, and the waste flow pump set is composed of several sets of waste flow pumps 21 equipment, and each set of waste flow pump 21 equipment includes a water suction port 19, a waste flow butterfly valve 20 and a waste flow pump 21 A waste flow butterfly valve 20 is respectively connected to both sides of the waste flow pump 21, the waste flow pump 21 and the waste flow butterfly valve 20 are connected through a flow rejection soft joint 22, and a water suction port 19 is connected to the water inlet of the flow rejection butterfly valve 20, The outlet end of the discarded flow butterfly valve 20 is connected to a discarded flow collecting pipe 23, the discarded flow collecting pipe 23 is connected to the discarded flow outlet 24, the water suction port 19 extends into the bottom of the filter collection chamber 8, and the discarded flow outlet 24 extends out of the emergency discarded flow chamber 9.

The bottom of the filter collection chamber 8 is set on the ground, and the bottom of the emergency waste flow chamber 9 is provided with a channel steel base 25 , and the bottom of the emergency waste flow chamber 9 is higher than the bottom of the filter collection chamber 8 . An inspection port 26 is arranged on the top of the filter collection chamber 8 above the basket filter area. The jettison pump set is composed of two sets of jettison pumps 21, and the jettison pump 21 is a vertical single-stage centrifugal pump. A basket handle 15 is provided on the dirt intercepting basket 18 . A check valve is connected to each discarding flow butterfly valve 20 . The control system 6 is mainly composed of PLC programmable module, man-machine touch screen, AC contactor, thermal breaker, air switch and intermediate relay.

The rainwater automatic diversion method of the rainwater automatic diversion and discarding device of the utility model is as follows:

1) First, the rainwater enters the basket area from the water inlet 1. Before the rainwater enters the basket area, it must first pass through the water quality meter 3. The water quality meter 3 transmits the collected water quality indicators to the control system 6 through the cable 7;

2) The rainwater enters the basket area from the water inlet 1 through the diversion inclined plate 16. When the rainwater passes through the filter screen 17, the filter screen 17 intercepts the suspended impurities in the rainwater and falls into the basket, and the rainwater that removes the suspended impurities in the rainwater through the filter screen 17 enters Inside the equipment cavity;

3) When the rainwater entering the equipment cavity exceeds the low liquid level, the liquid level sensor 11 transmits a signal to the control system 6 through the cable 7, and the control system 6 starts the jettison pump;

The starting conditions of the jettison pump are: the water quality meter 3 detects that the water quality is not up to standard, the water level in the equipment cavity exceeds the low level, or the rain sensor 4 detects that the rainfall does not exceed the set value;

4) When the water quality meter 3 detects that the water quality is up to standard and the rain sensor 4 detects that the rainfall exceeds the set value, the waste flow pump stops working, the collection electric valve 2 is opened, and the rainwater enters the collection pipe network through the collection port 14;

5) When the rainfall increases and the water level in the equipment cavity rises, the rainwater will be discharged into the municipal pipe network through the overflow port 10, and when the water level rises again beyond the overflow port 10 and reaches a high liquid level, the control system 6 will alarm and enter the emergency state;

6) When the control system 6 enters the emergency state, the waste flow pump will be started again to pressurize the rainwater in the equipment cavity and discharge it into the municipal pipe network;

7) The system returns to the initial state 24 hours after the end of the rain, waiting for the next rain.

An inspection port 26 is provided on the upper part of the basket filter area of the rainwater diversion and abandonment device, and the inspection port 26 is opened regularly to put forward the dirt intercepting basket 18 to clean up suspended solids and impurities in the basket.

Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent replacements to the technical solution of the utility model by those of ordinary skill in the art are all acceptable. Do not depart from the essence and scope of the technical solution of the utility model.

Claims (7)

1. A device for automatically diverting and discarding rainwater, characterized in that: the device for automatically diverting and discarding rainwater includes an equipment cavity, a water inlet, a basket filter area, a collection electric valve, a discarding pump group, a water quality meter, a rainfall sensor, The rain frequency sensor and the control system, the water quality meter, the rainfall sensor, the rain frequency sensor, the collection electric valve and the waste flow pump group are respectively connected to the control system through cables, and the equipment cavity is divided into a filter collection cavity and an emergency A waste flow chamber, the filter collection chamber and the emergency waste flow chamber communicate with each other; An overflow port connected to the municipal pipe network is respectively arranged on the side walls of the filter collection chamber and the emergency disposal chamber, and a liquid level sensor is arranged in the filter collection chamber, and on the liquid level sensor A low liquid level float and a high liquid level float are respectively provided, a collection port connected to the collection pipe network is provided on the side wall of the filter collection chamber, and the collection electric valve is connected to the collection port; The basket filter area is set at the water inlet of the filter collection chamber, and the basket filter area is mainly composed of a water inlet, a water quality meter, a deflector swash plate, a filter screen and a sewage intercepting basket, and the water quality meter is set at the At the water inlet, the dirt intercepting basket is provided at the bottom of the filter screen, and the slant guide plate is provided between the water inlet and the filter screen, and one end of the swash plate is connected to the The bottom of the water inlet is connected, and the other end of the deflector is connected to the bottom of the filter screen; The abandoned flow pump set is arranged at the bottom of the emergency abandoned flow cavity, and the abandoned flow pump set is composed of several sets of abandoned flow pump equipment, and each set of abandoned flow pump equipment includes a water suction port, an abandoned flow butterfly valve and a discarded flow pump. The flow pump is connected with the flow-discard butterfly valve on both sides of the flow-discard pump. The water suction port is connected, the water outlet end of the waste flow butterfly valve is connected with a waste flow collecting pipe, the waste flow collecting pipe is connected with the waste flow outlet, and the water suction port extends into the bottom of the filter collection chamber, so The discarded flow outlet extends out of the emergency discarded flow cavity. 2. The rainwater automatic diversion and abandonment device according to claim 1, characterized in that: the bottom of the filter collection chamber is arranged on the ground, the bottom of the emergency disposal chamber is provided with a channel steel base, and the emergency disposal chamber The bottom of the flow chamber is higher than the bottom of the filter collection chamber. 3. The rainwater automatic diversion and discarding device according to claim 1 or 2, characterized in that: an inspection port is provided on the top of the filter collection chamber above the basket filter area. 4. The rainwater automatic diversion and discarding device according to claim 1 or 2, characterized in that: the discarding pump set is composed of two sets of discarding pump equipment, and the discarding pump is a vertical single-stage centrifugal pump. 5. The rainwater automatic diversion and discarding device according to claim 1 or 2, characterized in that: a basket handle is provided on the sewage intercepting basket. 6. The rainwater automatic diversion and discarding device according to claim 1 or 2, characterized in that: a check valve is connected to each of the discarding butterfly valves. 7. The rainwater automatic diversion and abandonment device according to claim 1 or 2, characterized in that: the control system is mainly composed of a PLC programmable module, a man-machine touch screen, an AC contactor, a thermal breaker, an air switch and an intermediate relay composition.