CN214784485U

CN214784485U - Workshop flushing water drainage device and system

Info

Publication number: CN214784485U
Application number: CN202022930669.4U
Authority: CN
Inventors: 冉文静; 谈玲玲; 徐照军; 卢学强; 房卫军; 李太平
Original assignee: China ENFI Engineering Corp
Current assignee: China ENFI Engineering Corp
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-19
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a factory building sparge water drainage device and system, the device includes: the water tank is arranged above the percolate collecting pool and is positioned below the low point of the drainage ditch, and the water tank is provided with a water tank low liquid level and a water tank high liquid level; the inlet end of the water inlet pipe is positioned outside the water tank and is lower than the low point of the drainage ditch, and the outlet end of the water inlet pipe extends into the water tank; the water replenishing pipe is provided with a floating ball valve, when the water level in the water tank reaches the low water level of the water tank, the floating ball valve is opened to replenish water into the water tank, when the water level in the water tank reaches the high water level of the water tank, the floating ball valve is closed, and the height of the low water level of the water tank is higher than that of the outlet end of the water inlet pipe; the water replenishing pipe is provided with a maintenance valve, a check valve and a ball cock; the overflow pipe, the exit end of overflow pipe gets into the filtration liquid collecting pit, and the overflow pipe exit end is less than the filtration liquid low level of filtration liquid collecting pit. The utility model discloses both can guarantee that inflammable and explosive foul smell can not leak, owing to cancelled the trap, eliminated easy jam point again.

Description

Workshop flushing water drainage device and system

Technical Field

The utility model relates to a sewage treatment technical field, specifically speaking relates to a factory building sparge water drainage device and system.

Background

In the waste incineration treatment project, the discharging hall is flushed by water flow after incineration, the flushed water is poor in quality and is discharged into a leachate collection system, and the leachate is treated by a leachate treatment system and then discharged or recycled. The drainage pipe of the drainage ditch of the unloading hall is generally provided with a mesh frame floor drain and a trap and is cut to a percolate collecting pool. The net frame floor drain is arranged to prevent garbage from entering a drainage pipeline, and the trap is arranged to prevent inflammable and explosive odor of the percolate collecting pool from leaking to an unloading hall. However, in the actual operation process of the project, the arrangement of the net frame floor drain and the trap often causes blockage, the water seal in the trap is easily damaged, inflammable and explosive odor is caused to reach an unloading hall, the air quality of the unloading hall is poor, and potential safety hazards exist.

The discharge of flushing water of a discharge hall of a waste incineration project is mainly realized in two modes.

1. The opening is formed in the door stop of the discharging door, the discharging platform is provided with a slope, and washing water is directly discharged into a garbage pit.

2. The large-scale waste incineration project, when the hall width of unloading is too big, when discharging the sparge water through setting up the single face slope, the slope falls too big, should not realize in the building. Therefore, a drainage ditch is arranged in the middle of the discharging platform, flushing water is discharged into the garbage leachate collecting tank through a mobile phone of the drainage ditch, and a mesh frame floor drain and a trap are arranged at the lower point of the drainage ditch.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model discloses a factory building sparge water drainage device, include: the water tank is arranged above the percolate collecting pool and is positioned below the low point of the drainage ditch, and the water tank is provided with a water tank low liquid level and a water tank high liquid level; the inlet end of the water inlet pipe is positioned outside the water tank and is lower than the low point of the drainage ditch, and the outlet end of the water inlet pipe extends into the water tank; the water replenishing pipe is provided with a floating ball valve, when the water level in the water tank reaches the low water level of the water tank, the floating ball valve is opened to replenish water into the water tank, when the water level in the water tank reaches the high water level of the water tank, the floating ball valve is closed, and the height of the low water level of the water tank is higher than that of the outlet end of the water inlet pipe; the water replenishing pipe is provided with a maintenance valve, a check valve and a ball cock; the overflow pipe, the exit end of overflow pipe enters into the filtration liquid collecting pit, and the exit end of overflow pipe is less than the filtration liquid low level of filtration liquid collecting pit.

Optionally, an automatic air release valve is provided at the top of the water tank.

Optionally, a check valve is further disposed on the water replenishing pipe upstream of the ball float valve.

Optionally, a service valve capable of opening and closing the water replenishing pipe is further arranged on the water replenishing pipe upstream of the check valve.

Optionally, a manhole is further provided at the top of the water tank.

Optionally, a vent pipe is further arranged at the bottom of the side surface of the water tank.

Optionally, a mesh frame floor drain is arranged at a low point of the drainage ditch.

The utility model also discloses a factory building sparge water drainage system, more than a plurality of factory building sparge water drainage device, arbitrary moisturizing pipe and reuse water supply line intercommunication.

The utility model discloses following technological effect has:

(1) the flammable and explosive odor is ensured not to leak to the unloading hall: a water tank, a level meter and an automatic water replenishing pipeline are arranged between the percolate lifting pumps, the water level of the water tank is ensured, and the outlet of the drainage pipe is submerged by the low liquid level of the water tank.

(2) The drainage device is not easy to block: the low point of the drainage ditch is provided with a mesh frame floor drain, and the drainage pipe is not provided with a trap, so that the easy blocking point of a common drainage device is cancelled.

(3) The maintenance frequency is low, and the maintenance is convenient and safe: a water replenishing pipe of the water tank is provided with a ball float valve, a water replenishing valve is automatically opened for replenishing water when the liquid level is low, and a water replenishing source is stable and reliable.

Drawings

The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic view showing a plant washing water drainage device according to an embodiment of the present invention.

Detailed Description

Embodiments of the plant wash water discharge apparatus and system of the present invention will be described with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.

The factory washing water drainage device can be used for the drainage treatment of the washing water of the discharge hall of a waste incineration project, and can also be used for the drainage treatment of the washing water of other spaces.

The plant washing water drainage device of this embodiment includes water tank 1, inlet tube 6, moisturizing pipe 2, sets up service valve 3, check valve 4, ball-cock assembly 5 on the moisturizing pipe 2, and automatic exhaust valve 8 is established at 1 top of water tank. Water tank 1 sets up in filtration liquid collecting pit top, and is located the factory building below ground, and inlet tube 6 is fixed at the top of water tank 1, and the entrance point of inlet tube 6 is located outside water tank 1, and is less than the factory building ground, for example sets up below the low point in escape canal to make the sparge water can enter into in the water tank 1 through the inlet tube. The outlet end of the inlet pipe 6 extends into the water tank 1. The water tank 1 is also provided with a water replenishing pipe 2, and a water replenishing source is taken from a stable and reliable non-drinking water source in a waste incineration plant. The water replenishing pipe 2 is provided with a ball float valve 5, and the ball float valve 5 is controlled to be opened or closed by the liquid level of the water tank. So that when the water level in the water tank 1 reaches the low water level B of the water tank, the float valve 5 on the water replenishing pipe 2 is controlled to be opened to replenish water into the water tank 1. And, the height of the low liquid level B of the water tank is higher than the outlet end of the water inlet pipe 6, so that the liquid level in the water tank 1 always submerges the outlet end of the water inlet pipe, and the flammable and explosive odor is prevented from leaking to a factory building. When the liquid level in the water tank 1 reaches the high liquid level C of the water tank, the ball float valve 5 is closed, so that the water supplementing pipe 2 stops supplementing water. Still be provided with overflow pipe 7 above the high liquid level C of water tank, the exit end of overflow pipe 7 enters into the filtration liquid collecting tank, and the exit end of overflow pipe 7 is less than the low liquid level D of filtration liquid collecting tank. When the flushing water is discharged, the flushing water is firstly discharged into the water tank 1 through the water inlet pipe 6, reaches the overflow liquid level A of the overflow pipe and then is discharged to the percolate collecting tank through the overflow pipe 7.

Furthermore, the water replenishing pipe 2 is also provided with a check valve 4 which is arranged at the upstream of the ball float valve 5, the upstream is the upstream which is positioned at the water inlet side of the water flow along the water replenishing flowing direction, and the check valve 4 prevents sewage from flowing back to the water replenishing system in extreme situations.

Further, a service valve 3 is provided upstream of the check valve 4 for closing the water replenishing pipe 2 at the time of service.

Furthermore, a manhole 9 is further arranged, the manhole 9 is located at the top of the water tank 1, and a detachable sealing cover can be arranged on the manhole 9.

Further, an emptying pipe 10 is further arranged, and the emptying pipe 10 is located at the bottom of the side face of the water tank 1 and used for overhauling and cleaning the water tank.

Further, the top of the water tank 1 is also provided with an automatic exhaust valve 8, and when the pressure in the water tank 1 is too high, the gas is exhausted through the automatic exhaust valve 8.

Furthermore, a net frame floor drain is arranged at the low point of the drainage ditch to filter large garbage.

It should be noted that, the plant washing water drainage device can be a plurality of devices distributed in the plant to achieve the purpose of quick drainage at the same time.

The working process of the plant washing water drainage device is described as follows: when the factory building is washed, the washing water is discharged into the water tank 1 through the water inlet pipe 6, and after the water level reaches the height of the overflow pipe, sewage in the water tank is discharged to the percolate collecting tank through the overflow pipe 7. When the liquid level of the water tank reaches the low liquid level of the water tank, the ball float valve 5 is opened to supplement water, so that the liquid level in the water tank always submerges the outlet of the drain pipe, and when the liquid level in the water tank reaches the high liquid level of the water tank, the ball float valve 5 is closed. When the pressure in the water tank 1 is too high, the gas is discharged through the automatic exhaust valve 8.

The following describes a specific example of the present invention with a certain project design:

the height mark of the bottom of the percolate collecting pool is-9.000 m, the low liquid level of the percolate is-8.500 m, the overflow pipe 7 adopts a UPVC pipeline, DN100 and the height mark of the outlet end is-8.700 m, and the overflow pipe is submerged under the low liquid level of the percolate by 0.200 m. The level of the inlet end is the overflow level (-2.700 m).

The water tank 1 is arranged in the percolate lifting pump room E and is made of plastic, and the elevation of the bottom of the water tank is-3.500 m. The height of the water tank is 1.000m, the low liquid level (the opening liquid level of the floating ball valve) of the water tank is-3.200 m, the high liquid level (the closing liquid level of the floating ball valve) of the water tank is-2.800 m, and the top standard of the water tank is-2.500 m.

The water replenishing pipe 2 can be communicated with a recycling water supply pipeline, and a recycling water supply unit is variable-frequency speed-regulating water supply equipment, so that the stability of a water replenishing source of the liquid storage tank can be ensured; the water supply unit for reuse is arranged in the comprehensive water pump room, and the water pump parameter is Q equal to 50m³H, H is 45 m; water replenishing pipeThe pipe diameter of 2 is DN25, and a float valve 5, a check valve 4 and a maintenance valve 3 are sequentially arranged on the pipe diameter. When the pressure in the water tank 1 is too high, the gas is discharged through the automatic exhaust valve 8. The top of the water tank 1 is provided with an access hole 9 (diameter 600mm) and an emptying pipe 10(DN100), the emptying pipe 10 is provided with an emptying valve, and the emptying valve is opened when the water tank is cleaned to discharge the sludge at the bottom of the water tank.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a factory building sparge water drainage device which characterized in that includes:

the water tank is arranged above the percolate collecting pool and is positioned below the low point of the drainage ditch, and the water tank is provided with a water tank low liquid level and a water tank high liquid level;

the inlet end of the water inlet pipe is positioned outside the water tank and is lower than the low point of the drainage ditch, and the outlet end of the water inlet pipe extends into the water tank;

the water replenishing pipe is provided with a floating ball valve, when the water level in the water tank reaches the low water level of the water tank, the floating ball valve is opened to replenish water into the water tank, when the water level in the water tank reaches the high water level of the water tank, the floating ball valve is closed, and the height of the low water level of the water tank is higher than that of the outlet end of the water inlet pipe;

the water replenishing pipe is provided with an inspection valve, a check valve and a ball cock,

the overflow pipe, the exit end of overflow pipe enters into the filtration liquid collecting pit, and the exit end of overflow pipe is less than the filtration liquid low level of filtration liquid collecting pit.

2. The plant washing water drainage device of claim 1,

the top of the water tank is provided with an automatic exhaust valve.

3. The plant washing water drainage device of claim 1,

and a check valve is also arranged on the water replenishing pipe at the upstream of the ball float valve.

4. The plant washing water drainage device of claim 1,

and a maintenance valve capable of opening and closing the water replenishing pipe is arranged on the water replenishing pipe at the upstream of the check valve.

5. The plant washing water drainage device of claim 1,

and the top of the water tank is also provided with an access hole.

6. The plant washing water drainage device of claim 1,

and the bottom of the side surface of the water tank is also provided with a vent pipe.

7. The plant washing water drainage device of claim 1,

a mesh frame floor drain is arranged at the lower point of the drainage ditch.

8. A plant washing water discharge system comprising a plurality of plant washing water discharge devices as claimed in any one of claims 1 to 7, any of the water replenishing pipes being in communication with a recycled water supply pipe.