CN209778336U - sewage treatment system for building construction site - Google Patents

Abstract

The utility model relates to building construction equipment, in particular to a sewage treatment system for a building construction site, which comprises a water inlet pipe group, a reservoir connected with the water inlet pipe group, a water outlet component connected with the water outlet end of the reservoir and a water collecting well connected with the reservoir; the water inlet pipe group comprises a sewage inlet pipe, the water outlet ends of which are connected with the reservoir and used for connecting sewage intercepted by the filter screen; the water outlet assembly comprises at least two water outlet output units, the water inlet ends of the water outlet output units are connected with the reservoir, and the water outlet ends of the water outlet output units are connected with a water utilization facility; the water outlet output unit comprises a multi-stage pump, the water inlet end of the multi-stage pump is connected with the reservoir, and the water outlet end of the multi-stage pump is used for being connected with a water utilization facility; the water outlet end of the multi-stage pump is connected with the water outlet end of the adjacent water outlet output unit through a connecting pipe, and a control valve is arranged on the connecting pipe. Through setting the utility model discloses a sewage treatment system for building construction site retrieves the construction site water to collect the utilization through the well that catchments to the rainwater.

Description

sewage treatment system for building construction site

Technical Field

The utility model relates to a construction equipment, in particular to a sewage treatment system for building construction site.

Background

With the rapid development of the construction industry, water resources are used for a long time without control in the construction process, so that a large amount of water resources are wasted or discharged without treatment. Therefore, the reasonable recycling of the wastewater not only brings economic benefits, relieves the urban water supply pressure and saves limited water resources, but also is a key technology aiming at realizing green buildings, so that the construction site open source throttling becomes an important content in construction of harmonious construction and green buildings.

The construction site construction temporary water mainly comprises: water for various construction operations; domestic water; fire-fighting water. The domestic water comprises construction site domestic water and domestic area water. The part of water comes from tap water of a municipal pipe network, and the used wastewater can be recycled after treatment. The construction water includes engineering water and construction machine water. At present, the water consumption of the part is large, the water consumption is more, the use is random, no water plan is available, and no effective management and technical measures are available.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment system that reliable, be used for construction site, to water recycle in order to reach environmental protection using water wisely.

In order to achieve the purpose, the utility model provides a sewage treatment system for building construction sites, which comprises a water inlet pipe group, a reservoir connected with the water inlet pipe group, a water outlet component connected with the water outlet end of the reservoir, and a water collecting well connected with the reservoir;

the water inlet pipe group comprises a sewage inlet pipe with a water outlet end connected with the reservoir and used for connecting sewage intercepted by the filter screen;

The water outlet assembly comprises at least two water outlet output units, the water inlet ends of the water outlet output units are connected with the water storage tank, and the water outlet ends of the water outlet output units are connected with the water utilization facility;

The water outlet output unit comprises a multi-stage pump, the water inlet end of the multi-stage pump is connected with the reservoir, and the water outlet end of the multi-stage pump is used for being connected with a water utilization facility; the water outlet end of the multi-stage pump is connected with the water outlet end of the adjacent water outlet output unit through a connecting pipe, and the connecting pipe is provided with a control valve.

Through setting up the utility model discloses a sewage treatment system for building construction site, collect the utilization to the rainwater through the sump pit, the environmental protection has been reached, water-saving purpose, adopt to possess a plurality of play water output unit simultaneously and make this sewage treatment system in the great construction site of environmental change, use through above-mentioned connecting pipe, under the condition of a play water output unit harm, through the connecting pipe of connecting two sets of adjacent play water units, another play water unit can be through opening the play water output unit that control valve will use water facility to connect another normal operating, make this a sewage treatment system for building construction site have higher reliability in the great construction site of environmental change like this, stronger flexibility, can wide application in the waste water collection and the processing of each type construction site.

Furthermore, the water outlet end of the multi-stage pump is connected with a water utilization facility through a connecting hose and a drain pipe in sequence. The hose is beneficial to the weight of the pipeline without directly interfering the multistage pump, absorbing displacement and the like.

Further, a check valve is arranged between the hose and the drain pipe.

Furthermore, the water outlet end of the multi-stage pump is connected with the water reservoir through a pressure relief water drain pipe.

Further, the water collecting well comprises an outer water collecting well and an inner water collecting well, the outer water collecting well is positioned at the four corners of the foundation pit or/and outside the outer wall of the end part of the post-cast strip, and the inner water collecting well is positioned in the basement structure;

The outer water collecting well and the inner water collecting well are both connected with the water inlet end of the reservoir; the outer water collecting well and the inner water collecting well are internally provided with submersible pumps connected with the reservoir. The inner and outer water collecting wells are arranged to collect water in multiple directions.

Furthermore, the bottoms of the outer water collecting well and the inner water collecting well are all provided with a stone layer of 8-15cm, so that a good precipitation effect is achieved, the stone layer is too shallow and is not easy to lock precipitated impurities, the stone layer is too thick and can occupy too much water collecting well space, and the thickness of the stone layer is more suitable for 8-15 cm.

Furthermore, a ball float valve for controlling the submersible pump is arranged in the reservoir, so that water can be supplemented from the inner and outer water collecting wells when the water level of the reservoir is too low.

Furthermore, a pressure gauge for monitoring the water outlet pressure is arranged at the water outlet end of the multi-stage pump.

Furthermore, the water inlet pipe group further comprises a tap water inlet pipe connected with a tap water source, the water outlet end of the tap water inlet pipe is connected with the reservoir, and the reservoir is replenished with tap water through replenishing the tap water when the recycling water amount is insufficient for meeting the requirement of a water facility through the arrangement of the tap water inlet pipe.

Further, be provided with on the above-mentioned sewage inlet tube and be used for carrying out filterable filter to the incoming water, above-mentioned filter and the detachable sealing connection of sewage inlet tube set up like this in order to conveniently change the filter.

The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.

drawings

The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure.

In the drawings:

FIG. 1 is a schematic view for explaining a sewage treatment system for a construction site according to the first embodiment or the second embodiment;

FIG. 2 is a schematic view illustrating a sewage inlet pipe and a filter according to a second embodiment;

The labels in the figure are: 1-a water storage tank, 2-a sewage inlet pipe, 3-a water outlet output unit, 301-a multistage pump, 302-a pressure gauge, 4-a connecting pipe, 5-a control valve, 6-a hose, 7-a check valve, 8-a pressure relief drain pipe, 9-a tap water inlet pipe, 101-an outer water collecting well, 102-an inner water collecting well, 11-a submersible pump, 12-a ball float valve, 13-a water pump room, 14-a filter and 141-an opening and closing door.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:

The technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.

moreover, the embodiments of the invention described in the following description are generally only examples of a subset of the invention, and not all examples. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

With respect to the terms and units of the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related art are intended to cover non-exclusive inclusions.

The construction site construction temporary water mainly comprises: firstly, using water for various construction operations; ② domestic water; and thirdly, fire-fighting water. The domestic water comprises construction site domestic water and domestic area water. The part of water comes from tap water of a municipal pipe network, and the used wastewater can be recycled after treatment. The construction water includes engineering water and construction machine water. The water consumption of the part is large, the water consumption is more, the use is random, no water plan is available, and no effective management and technical measures are available. Therefore, the system is mainly developed and used for two parts of domestic water and water for various construction operations.

As shown in fig. 1, in the first embodiment: the sewage treatment system for the building construction site comprises a water inlet pipe group, a reservoir 1 connected with the water inlet pipe group, a water outlet assembly connected with the water outlet end of the reservoir 1 and a water collecting well connected with the reservoir 1;

The water inlet pipe group comprises a sewage inlet pipe 2, the water outlet end of which is connected with the reservoir 1 and is used for connecting sewage intercepted by the filter screen;

The water outlet assembly comprises two water outlet output units 3, the water inlet ends of the water outlet output units 3 are connected with the water storage tank 1, and the water outlet ends are connected with a water utilization facility;

The water outlet output unit 3 comprises a multi-stage pump 301, wherein the water inlet end of the multi-stage pump 301 is connected with the reservoir 1, and the water outlet end is used for being connected with a water utilization facility; the water outlet end of the multi-stage pump 301 is connected to the water outlet end of the adjacent water outlet output unit 3 through a connecting pipe 4, and the connecting pipe 4 is provided with a control valve 5.

through setting up the utility model discloses a sewage treatment system for building construction site adopts a plurality of channels to retrieve the construction site water like sump pit, inlet tube group to collect the purpose of utilizing in order to reach the using water wisely to the rainwater through the sump pit. Adopt this sewage treatment system who possesses a plurality of play water output unit 3, in the great construction site of environmental change, through the use of above-mentioned connecting pipe 4, under the condition of a play water output unit 3 harm, another can be through opening control valve 5, make the water facilities that correspond damage or pause the play water output unit 3 of using can connect another normal operating play water output unit 3, make this sewage treatment system for building construction site have better reliability, flexibility in the great construction site of environmental change like this, can be better use in construction site, collect, handle the building site water.

The water outlet end of the multistage pump 301 is connected with a water utilization facility through a connecting hose 6 and a drain pipe in sequence. A check valve 7 is provided between the hose 6 and the drain pipe to prevent backflow. The water outlet end of the multi-stage pump 301 is connected with the water storage tank 1 through the pressure relief water discharge pipe 8, so that pressure relief is facilitated, and the safety of the sewage treatment system is guaranteed.

The water collecting well comprises an outer water collecting well 101 and an inner water collecting well 102, the outer water collecting well 101 is mainly arranged at the four corners of the water collecting well and the water collecting well arranged outside the end outer wall of the post-cast strip when a foundation pit is excavated, and the size of the water collecting well is 1m multiplied by 1m or circular. The periphery of the building is built by lime-sand bricks, the inner surface is plastered by mortar, and 10cm stones are paved at the bottom of the building to achieve a better precipitation effect, the stone layer is too shallow and is not easy to lock precipitated impurities, the stone layer is too thick, the building well space is excessively occupied, and the thickness of 10cm is more suitable. The outer water collecting well 101 and the inner water collecting well 102 are both connected with the water inlet end of the reservoir 1; the outer water collecting well 101 and the inner water collecting well 102 are both internally provided with submersible pumps 11 connected with the reservoir 1. A ball cock 12 for controlling the submersible pump 11 is provided in the reservoir 1.

The water inlet pipe group further comprises a tap water inlet pipe 9 connected with a tap water source, the water outlet end of the tap water inlet pipe 9 is connected with the water storage tank 1, and water is supplemented to the water storage tank 1 through supplementing tap water when the recycling water consumption is insufficient for meeting the requirement of a water facility by setting the tap water inlet pipe 9.

this system can set up water pump house 13 outward, the installation (various steel sheet) of water pump house 13: according to the size of the impounding reservoir 1 and the basic size of the equipment, the size of the water pump room 13 is set to be 6.8m multiplied by 2.3m, and the color steel plate room is erected after the equipment is installed.

The water storage tank 1 is arranged: the mortar is arranged in a water pump room 13, the size of the mortar is arranged according to the water consumption on site, the internal space size is a multiplied by b multiplied by h which is 1.4m multiplied by 3.2m multiplied by 1.5m, the mortar is used for building the mortar, and the mortar is used for plastering.

equipment foundation: the equipment foundation is built by lime-sand bricks, the foundation can be connected with the reservoir 1, a drainage ditch is arranged in the middle, and the size of the foundation is 1.9m multiplied by 1.8m according to the equipment requirement. And a drainage ditch with the depth of 50mm is arranged on the periphery of the equipment foundation.

Installing a water pump: the water pump is divided into a water inlet pump and a water outlet pump. The water inlet pump is a submersible pump 11 placed in the water collecting well and is responsible for pumping the wastewater into the reservoir 1. The water outlet pump is placed in the water pump room 13 by using a multistage pump 301 and is fixed on an equipment foundation by using embedded bolts or expansion bolts. The number of submersible pumps 11 is set according to the number of sump arrangements.

The system is used for arranging a water collecting facility and a sewage treatment facility at the underground part around the building to realize the recovery and regeneration treatment of surface rainwater, construction wastewater and domestic wastewater, and the reservoir 1 of the system is recycled.

installing a pipeline: the pipeline mainly connects various nodes: tap water access points, submersible pump points of a water collecting well, internal nodes of a water pump room 13, construction water receiving and outputting points of each floor, and other receiving and outputting points (flushing grooves and the like). And then, installing a water pump controller and connecting a power supply.

the water outlet end of the multi-stage pump 301 is provided with a pressure gauge 302 for monitoring the water outlet pressure. Installation water pump control ware of this system:

the water pump controller link has: a float valve 12, a pressure gauge 302, a multi-stage pump 301, controllers (controller No. 1 and controller No. 2), and a power supply.

the ball float valve 12 controls the water level of the reservoir 1, if the water level is too low, the submersible pump 11 in the water collecting well is automatically opened, and the precipitated water is utilized to save tap water resources. When the water storage in the water collecting well is insufficient, the submersible pump 11 is automatically closed to give an alarm, and a manager can open the tap water and directly use the tap water for injection. The control connection of the submersible pump 11 and the float valve 12 is just required according to the common conventional connection.

The pressure gauge 302 is used for monitoring the water pressure in the pipeline so as to achieve the purpose of conveniently controlling the water pressure, when all the connection points are closed, the air pressure is increased, in order to avoid tube explosion, the pressure gauge 302 immediately feeds back to the controller after reaching an allowable value, the rotation of the multistage pump 301 is directly stopped, and alarm information is sent out. The system is provided with two controllers, and the relationship between the controllers is as follows: the change-over switch is arranged at an automatic position at ordinary times, the controller No. 1 is attracted, if the multistage pump No. 1 301 breaks down, the electric shock ARM is switched on, and the controller No. 1 is electrified and attracted to send out a fault alarm signal. And the multi-stage pump No. 2 301 is automatically put into operation. The water pump controller can adopt digital voltage and current display and a man-machine integrated control panel. A computer mainboard control system is adopted, the upper liquid level, the lower liquid level and the pressure are automatically controlled into a whole, and the protection functions of overload, no-load (dry rotation), phase failure and the like are realized; the double liquid level and pressure automatic control can be selected according to the requirement by a liquid level/pressure change-over switch; when the product is in failure in an automatic state, the emergency operation can still be carried out by switching to manual operation.

Power supply access: 380V low-voltage power supply is adopted on site, a secondary distribution box is arranged, a TN-S system is adopted for power supply, a construction organization design is formulated according to the regulation of JGJ46-2005, and the grounding resistance R is less than or equal to 4 omega. The submersible pump 11 and the multistage pump 301 are provided with one air switch, the submersible pump 11 is directly connected to the second-stage distribution box, and the multistage pump 301 is connected to the second-stage distribution box through the water pump controller.

Practical application examples are as follows:

Adjusting with water:

Firstly, when the water using facility is 1-2 tower rooms, 2 multistage pumps 301 are arranged, and when the number of the tower rooms is more than 2, the number of the multistage pumps 301 is controlled according to the number of the tower rooms plus 1.

When 1 tower is built, 2 multi-stage pumps 301 are used for standby, wherein when the No. 1 multi-stage pump 301 fails, the water pump controller can give an alarm and automatically control and start the No. 2 multi-stage pump 301 to supply water uninterruptedly;

And thirdly, when more than 2 towers exist, the number of the multi-stage pumps 301 is at least 2, the 1# multi-stage pump 301 is matched with the 1# water outlet pipe to provide construction water for the 1# tower, and the 2 # multi-stage pump 301 is matched with the 2 # water outlet pipe to provide construction water for the 2 # tower. When each tower needs to supply water independently, the valve between two outlet pipes is closed, wherein when 1# multistage pump 301 breaks down, the water pump controller can send out an alarm, and the valves at all levels are adjusted manually, and 2 # multistage pump 301 is opened, so that water is still discharged from 1# outlet pipe, and the timely supply of water is ensured.

And fourthly, other water outlet points such as kitchen bath and washing are public water outlet, namely, no matter which pump is started, water is supplied.

a pressure relief drain pipe 8 is arranged: when the water for the floor construction is suspended, the corrosion of the pipeline caused by the long retention time of the water in the pipeline is avoided, and the water can be controlled by a valve to be automatically discharged into the water storage tank 1 due to the water pressure.

Putting into use: according to the source and the application of water in the water utilization system plan, the daily work of water recycling is made:

washing a tank: a water utilization outlet point is arranged beside the flushing tank, and a high-pressure water gun is arranged, so that the flushing, on-site watering and dust settling of vehicles entering and leaving, and on-site green plant watering are facilitated. Meanwhile, before the pavement is hardened, a small sedimentation tank is built, and a pipeline is buried, so that the water in the flushing tank flows into the collecting well.

② kitchen and bath wastewater: the water used in kitchen and bathroom flows into the water collecting well after being treated by the oil separating tank and the sedimentation tank, and a water receiving and discharging point is arranged nearby, so that the kitchen and the toilet can be conveniently washed.

Thirdly, water for floor construction: the system is a main water outlet point of the system, and can meet the requirements of cleaning a concrete pump truck and a pump pipe, stirring mortar and the like.

Fourthly, spraying water for the tower crane: the spraying system consists of a vertical pipeline attached to the tower body of the tower crane, a horizontal water supply pipe attached to a crane boom, a spray head and other connecting water pump rooms 13. The water tank upper portion, or be located near tower crane installation and be suitable for the high-pressure water pump of water supply raise dust height, get into the horizontal pipe high pressure through the riser and supply water, spray vaporific water by the shower nozzle downwards, building site's dust is the solid particle that floats in the air, and high pressure spraying dust fall is the dust fall mode of an effect more ideal, the lower cost. In the operation process of the system, liquid water is atomized from a normal pressure state to an atomizing nozzle through a pressurized pipeline, the liquid water is atomized, the water mist movement and dust particles generate inertia collision, gravity sedimentation, dust catching interception and diffusion trapping to achieve the aim of dust fall, the nozzle is arranged on a crane boom of the tower crane, the height is proper, the spray inclination angle is large, the tower crane rotates when in use, the nozzles are arranged at intervals of about 3 meters in the horizontal direction of the crane boom, and 14-16 nozzles are preferably arranged, so that the full coverage within 100 meters of the diameter can be realized, and the spray dust fall effect is achieved.

and water collected by a water collecting well is preferentially adopted in the foundation excavation stage, tap water is supplied for compensation type water supply, and external drainage of foundation pit dewatering is preferentially used.

economic benefits in application:

Taking a certain temporary river engineering adopting the system as an example, cost analysis is carried out through a main construction water peak period of 2-4 months.

as shown in the table above, the sewage recycling of the construction site achieves the expected effect, and the cost is saved by analyzing according to the price of tap water of 6.4 yuan/ton in the urban city:

In the first month: 345x6.4 ═ 2208 yuan

And in the second month: 305x6.4 ═ 1952 membered

And in the third month: 269x6.4 ═ 1721.6 yuan

And (3) saving and totaling: 5881.6 yuan

according to the comparison, the construction method can save a large amount of water resources and has obvious economic benefit.

The system has simple equipment and facilities, low cost and repeated use. The method realizes the recovery of surface rainwater, the recovery of construction wastewater and the recovery of domestic wastewater, realizes the reutilization after technical measures are taken, obtains good social, economic and technical benefits, and conforms to the national policy of energy conservation, environmental protection and recycling economy. The application range is wide, the popularization is facilitated, and the water and energy conservation in construction can be comprehensively realized.

As shown in fig. 1 and 2, example two: on the basis of the first embodiment, the filter 14 for filtering the incoming water is arranged on the sewage inlet pipe 2, and the filter 14 is detachably and hermetically connected with the sewage inlet pipe 2, so that the filter 14 is convenient to replace.

The filter 14 may be a section of pipe butt-jointed to the sewage inlet pipe 2, and a fence structure is arranged in the pipe to intercept impurities leaked from the pre-purification treatment. The filter 14 may be connected by a flange connection. An opening and closing door 141 may be provided above the barrier corresponding to the pipe wall for opening to observe or clean the intercepted foreign materials.

The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims (10)

1. The sewage treatment system for the building construction site is characterized by comprising a water inlet pipe group, a reservoir (1) connected with the water inlet pipe group, a water outlet assembly connected with the water outlet end of the reservoir (1), and a water collecting well connected with the reservoir (1);

The water inlet pipe group comprises a sewage inlet pipe (2) with a water outlet end connected with the reservoir (1) and used for connecting sewage intercepted by the filter screen;

The water outlet assembly comprises at least two water outlet output units (3), the water inlet ends of the water outlet output units (3) are connected with the reservoir (1), and the water outlet ends are connected with a water utilization facility;

the water outlet output unit (3) comprises a multi-stage pump (301), the water inlet end of the multi-stage pump (301) is connected with the reservoir (1), and the water outlet end of the multi-stage pump is used for being connected with a water utilization facility; the water outlet end of the multi-stage pump (301) is connected with the water outlet end of the adjacent water outlet output unit (3) through a connecting pipe (4), and a control valve (5) is arranged on the connecting pipe (4).

2. The sewage treatment system for a construction site according to claim 1, wherein: the water outlet end of the multistage pump (301) is connected with a water utilization facility sequentially through a connecting hose (6) and a drain pipe.

3. The sewage treatment system for a construction site according to claim 2, wherein: a check valve (7) is arranged between the hose (6) and the water discharge pipe.

4. The sewage treatment system for a construction site according to claim 1, wherein: the water outlet end of the multi-stage pump (301) is connected with the water storage tank (1) through a pressure relief water outlet pipe (8).

5. The sewage treatment system for a construction site according to claim 1, wherein: the water collecting well comprises an outer water collecting well (101) and an inner water collecting well (102), the outer water collecting well (101) is positioned at the four corners of the foundation pit or/and outside the end outer wall of the post-cast strip, and the inner water collecting well (102) is positioned in the basement structure;

The outer water collecting well (101) and the inner water collecting well (102) are both connected with the water inlet end of the reservoir (1); and submersible pumps (11) connected with the water storage tank (1) are arranged in the outer water collecting well (101) and the inner water collecting well (102).

6. The sewage treatment system for a construction site according to claim 5, wherein: the bottoms of the outer water collecting well (101) and the inner water collecting well (102) are all 8-15cm stone layers.

7. The sewage treatment system for a construction site according to claim 5, wherein: and a ball float valve (12) for controlling the submersible pump (11) is arranged in the water storage tank (1).

8. The sewage treatment system for a construction site according to claim 1, wherein: and a pressure gauge (302) for monitoring the water outlet pressure is arranged at the water outlet end of the multi-stage pump (301).

9. The sewage treatment system for a construction site according to claim 1, wherein: the water inlet pipe group further comprises a tap water inlet pipe (9) connected with a tap water source, and the water outlet end of the tap water inlet pipe (9) is connected with the reservoir (1).

10. the sewage treatment system for a construction site according to claim 1, wherein: be provided with on sewage inlet tube (2) and be used for carrying out filterable filter (14) to the incoming water, filter (14) and the detachable sealing connection of sewage inlet tube (2).