Utility model content
The purpose of this utility model be to provide a kind of simple in structure, cost is low, simplification of flowsheet, be convenient to transportation and install, facilitate management maintenance, can realize the micro-contaminated rain water of processing of gravity type boat davit automatic backwash and automatically regulate pH value for the equipment of cooling tower moisturizing, can effectively control the principal pollutant in micro-contaminated rain water, solve existing installation and need the special problem of safeguarding, reduce treatment process, promote carrying out of rainwater utilization.
The purpose of this utility model realizes by following technical measures: a kind ofly process micro-contaminated rain water and automatically regulate pH value for the equipment of cooling tower moisturizing, the tank body that comprises setting, described tank interior is an enclosed space, on described tank body, be provided with water-in, water outlet and sewage draining exit, it is characterized in that: the bottom space of described tank body is distributing water room, in the lower space of described tank body and be positioned at and be filled with light filter material above distributing water room and form light filter material layer, above described light filter material layer, be provided with the upper perforation plate of level, described upper perforation plate is the plate body that is distributed with posticum, the superjacent air space of described upper perforation plate is that the upper space of tank body is the clean water chamber of water body after splendid attire filters, in described clean water chamber, be provided with the pH value automatic-adjusting device that adds alkaline matter from trend water body, described water-in and sewage draining exit are all positioned on the water distribution locular wall of described tank body, described water outlet is positioned on the clear water locular wall of described tank body.
The utility model adopts light filter material that the impurity in micro-contaminated rain water is held back and adsorbed, and is also provided with pH value automatic-adjusting device in tank body, and the water after regulating with pH value after filtration can be used for cooling tower moisturizing; Except the shell and accessory weight of this equipment, filler weight is negligible, and weight of equipment is alleviated greatly, applicable to the occasion that has load-bearing requirement, and is convenient to transportation and installs; The utility model utilizes the characteristic of light filter material to realize gravity type boat davit automatic backwash, by sewage draining exit draining, the clear water of clean water chamber relies on self gravitation to rinse light filter material, realized the back flushing of light filter material, therefore the backwash pump that does not need existing filter plant to arrange, has saved initial cost; In addition, due to the characteristic of light filter material, make head loss little, thus low to the performance requriements of water pump, so reduced equipment performance requirement, saved equally investment, and, under the condition allowing at elevation, water pump can be set.The utility model arranges pH value automatic-adjusting device in tank body, has reduced additional pH value regulation system, has simplified processing technological flow, convenient management.
As a kind of improvement of the present utility model, in described distributing water room, be provided with and from outside, penetrate water distributing pipe wherein, described water distributing pipe is positioned at the mouth of pipe sealing of tank body and has distributing hole on this pipeline section side, described water distributing pipe be positioned at the mouth of pipe outside tank body as for access the water-in of micro-contaminated rain water connect water pump in case micro-contaminated rain water is lifted into tank body or rely on micro-contaminated rain water present position and water-in the micro-contaminated rain water of elevation official post oneself flow into tank body.Distributing hole is opened in the side of water distributing pipe, can disperse to enter the impact forces of micro-contaminated rain water of distributing water room, reduces disturbance filter material layer.
As a kind of embodiment of the present utility model, described light filter material is granules of polystyrene, and the density of particle is less than 1kg/m
3.The distance of described light filter material layer and upper perforation plate is greater than 50cm.
As a kind of embodiment of the present utility model, described pH value automatic-adjusting device comprises ball float, box body for splendid attire solid alkaline material, lever and for stirring and press down the anti-compaction inserted link of solid alkaline material, described box body is the hollow reverse taper of end face opening, the top of described box body is fixed on the inner top surface of tank body, the bottom circumference of described box body has for discharging the through hole of solid alkaline material, described lever stretches into wherein through box side wall, and the perforation of take on box side wall is fulcrum, described ball float is suspended on described lever and is positioned on the one end outside box body, described anti-compaction inserted link is vertically arranged on the other end that described lever is positioned at box body, described ball float overweights described anti-compaction inserted link so that ball float can drive anti-compaction inserted link to rise under self gravitation.
The utility model is when normal operating conditions, under the buoyancy of ball float water body in clean water chamber, drive anti-compaction inserted link to decline, anti-compaction inserted link is inserted in solid alkaline material, thereby for stirring and pressing down solid alkaline material, prevent from hardening, solid alkaline material is for regulating the pH value of water body; By sewage draining exit draining, the clear water of clean water chamber relies on self gravitation to rinse light filter material layer, after certain hour, install internal water emptying, realized the back flushing of light filter material layer, water level along with clean water chamber declines simultaneously, ball float drives anti-compaction inserted link to rise, and has also avoided pH value automatic-adjusting device to be immersed in the water for a long time simultaneously, has guaranteed that pH can not continue rising and destroy system balancing.In the utility model clean water chamber, water pH value size is relevant with the quantity and the aperture that are immersed in the through hole on the interior pH value automatic-adjusting device of water body, and the quantity that is immersed in water body inner via hole is that the water level by clean water chamber just regulates.
As a kind of improvement of the present utility model, the micro-contaminated rain water of described processing also regulates pH value also to comprise electric control gear for the equipment of cooling tower moisturizing automatically, described electric control gear comprises PLC electrical control cubicles and magnetic valve, described magnetic valve is arranged on sewage draining exit, described PLC electrical control cubicles is electrically connected to magnetic valve, in the situation that water-in connects water pump, described PLC electrical control cubicles is also electrically connected to water pump, and PLC electrical control cubicles receives the folding of the keying signal control magnetic valve of water pump.Complete a filtration cycle, after water pump is out of service, by the automatic opens solenoid valve Quick drainage of PLC electrical control cubicles, realizes back flushing, and after this device interior is emptying, shut electromagnetic valve, waits for next filtration cycle.
As further improvement of the utility model, the top of described tank body is provided with for supplementing solid alkaline material and getting rid of the inspection port of gas in tank body, in the box body of described inspection port and described pH value automatic-adjusting device, communicates.
The utility model can also be done following improvement, described tank body is provided with for supplement the dog-house of light filter material in tank body, described dog-house on described between perforation plate and light filter material layer, is also provided with transparent baffle to be used as viewing window on described dog-house.
In the lower space of tank body described in the utility model, be provided with lower perforation plate and supporting layer, described lower perforation plate is the plate body that is distributed with posticum, described lower perforation plate is horizontally disposed with and is positioned at the top of described water distributing pipe, there is gap in described lower perforation plate and water distributing pipe, this gap is greater than 10cm, and described supporting layer is positioned at support light filter material on described lower perforation plate.Lower perforation plate and supporting layer can further carry out water distribution to micro-contaminated rain water, and can prevent that light filter material from draining in distributing water room.
Tank body described in the utility model is comprised of the can body of top end opening and the upper cover being fastened on described can body top, described can body is connected by demountable structure with upper cover, upper cover can facilitate the routine preventive maintenance of equipment, the box body of described pH value automatic-adjusting device is fixed on the inner top surface of described upper cover, the bottom of described can body towards under be gradually-reducing shape, described sewage draining exit is positioned at the position, the end of described can body, to discharge the impurity of precipitation.Described demountable structure adopts hasp or screw buckle, can guarantee flexible and convenient operation, can also adopt existing other mode of connection.
The micro-contaminated rain water of processing described in the utility model also regulates pH value also to comprise upflow tube for the equipment of cooling tower moisturizing automatically, described upflow tube is located on described clear water locular wall and is positioned at the top of described water outlet, the below of the through hole of described pH value automatic-adjusting device in described upflow tube, and at least a portion through hole is positioned at the below of described water outlet.When the clear water of clean water chamber can not be discharged in time, can pass through upflow tube overflow.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model adopts light filter material that the impurity in micro-contaminated rain water is held back and adsorbed, and pH value automatic-adjusting device is also set in tank body, and the water after regulating with pH value after filtration can be used for cooling tower moisturizing.
(2) except the tank body and accessory weight of this equipment, filler weight is negligible, and weight of equipment is alleviated greatly, applicable to the occasion that has load-bearing requirement, and is convenient to transportation and installs.
(3) the utility model arranges pH value automatic-adjusting device in tank body, has reduced additional pH value regulation system, has simplified processing technological flow, convenient management.
(4) due to the characteristic of light filter material, make head loss little, thus low to the performance requriements of water pump, so reduced equipment performance requirement, saved equally investment, and, under the condition allowing at elevation, water pump can be set.
(5) the utility model utilizes the characteristic of light filter material to realize gravity type boat davit automatic backwash, by sewage draining exit draining, the clear water of clean water chamber relies on self gravitation to rinse light filter material, realized the back flushing of light filter material, the backwash pump that does not therefore need existing filter plant to arrange, has saved initial cost, and in the process of back flushing, along with the water level decline of clean water chamber, avoided pH value automatic-adjusting device to be immersed in the water for a long time, guaranteed that pH can not continue rising and destroy system balancing.
(6) distributing hole is opened in the pipeline section side that is positioned at tank body of water distributing pipe, dispersibles the impact forces of micro-contaminated rain water, reduces the disturbance of micro-contaminated rain water.
(7) the utility model does not need special maintenance, has saved human cost, easy to use.
(8) supporting layer and lower perforation plate can be to the further water distributions of micro-contaminated rain water, and can prevent that light filter material from draining in distributing water room.
Embodiment
As shown in Figure 1, being that the utility model is a kind of processes micro-contaminated rain water and automatically regulates pH value for the equipment of cooling tower moisturizing, the tank body that comprises setting, tank interior is an enclosed space, on tank body, be provided with water-in, water outlet and the sewage draining exit of tubulose, water-in is water distributing pipe 1, and sewage draining exit is blow-off pipe 7, water outlet is rising pipe 6, and rising pipe 6 is connected with subsequent technique system.The bottom space of tank body is distributing water room 17, and in the lower space of tank body and be positioned at and be filled with light filter material above distributing water room 17 and form light filter material layer 4, in the present embodiment, light filter material layer 4 adopts granules of polystyrene, and the density of particle is less than 1kg/m
3.Above light filter material layer 4, be provided with the upper perforation plate 5 of level, the distance of light filter material layer 4 and upper perforation plate 5 is greater than 50cm, upper perforation plate 5 is be distributed with the plate body of posticum and install for detachable, the superjacent air space of upper perforation plate is the clean water chamber 18 of water body after splendid attire filters, in clean water chamber 18, be provided with the pH value automatic-adjusting device that adds alkaline matter in trend water body, water-in is positioned on distributing water room's 17 sidewalls of tank body, blow-off pipe 7 is positioned at the bottom of distributing water room 17, and rising pipe 6 is positioned on clean water chamber 18 sidewalls of tank body.
Water distributing pipe 1 inserts distributing water room 17 from outside, water distributing pipe 1 is positioned at the mouth of pipe sealing of tank body and has distributing hole 11 on this pipeline section side, water distributing pipe 1 is positioned at the mouth of pipe outside tank body as connecting water pump (not shown in FIG.) to micro-contaminated rain water is lifted into tank body for accessing the water-in of micro-contaminated rain water, in other embodiments, characteristic due to light filler, make its head loss little, under the condition allowing at elevation, water pump can be set, now rely on the micro-contaminated rain water of elevation official post of micro-contaminated rain water present position and water-in from flowing in tank body.In the lower space of tank body, be provided with lower perforation plate 2 and supporting layer 3, in the present embodiment, supporting layer adopts sand grains to be deposited on lower perforation plate and forms, lower perforation plate 2 is the plate bodys that are distributed with posticum, the particle diameter of sand grains is greater than the aperture of the posticum of lower perforation plate, and lower perforation plate 2 is horizontally disposed with and is positioned at the top of water distributing pipe 1, and lower perforation plate 2 exists gap with water distributing pipe 1, this gap is greater than 10cm, and supporting layer 3 is positioned at support light filter material on lower perforation plate 2.
In the present embodiment, pH value automatic-adjusting device comprises the box body 14 for splendid attire solid alkaline material (sheet or spherical), ball float 19, lever 21 and anti-compaction inserted link 22, box body 14 is the hollow reverse taper of end face opening, the top of box body 14 is fixed on the inner top surface of tank body, the bottom circumference of box body has the through hole that discharges solid alkaline material, lever 21 stretches in box body 14 through box body 14 sidewalls, and the perforation of take on box body 14 sidewalls is fulcrum, ball float 19 is suspended on lever 21 and is positioned on the one end outside box body 14, anti-compaction inserted link 22 is vertically arranged on the other end that lever 21 is positioned at box body, anti-compaction inserted link 22 is for stirring and press down solid alkaline material, ball float 19 overweights anti-compaction inserted link 22 so that ball float can drive anti-compaction inserted link to rise under self gravitation.
Also comprise upflow tube 15 and electric control gear, electric control gear comprises PLC electrical control cubicles and magnetic valve 8, magnetic valve 8 is arranged on blow-off pipe 7, PLC electrical control cubicles is electrically connected to magnetic valve, in the situation that water distributing pipe 1 connects water pump, PLC electrical control cubicles is also electrically connected to water pump, and PLC electrical control cubicles receives the folding of the keying signal control magnetic valve of water pump.Upflow tube 15 is located on clear water locular wall and is positioned at the top of rising pipe 6, the below of the through hole of pH value automatic-adjusting device in upflow tube 15, and at least a portion through hole is positioned at the below of rising pipe 6.
The top of tank body is provided with for supplementing solid alkaline material and getting rid of the inspection port 12 of gas in tank body, in the box body 14 of inspection port 12 and pH value automatic-adjusting device, communicates.On tank body, be also provided with for supplement the dog-house 10 of light filter material in tank body, dog-house 10, between upper perforation plate 5 and light filter material layer 4, is also provided with transparent baffle to be used as viewing window on dog-house 10.Tank body is comprised of the can body 9 of top end opening and the upper cover 11 being fastened on can body top, and can body 9 is connected by demountable structure with upper cover 11, specifically by hasp 13, connects, and also can adopt other forms such as screw thread.The box body of pH value automatic-adjusting device is fixed on the inner top surface of upper cover 11, and the bottom of can body is towards lower convergent, and blow-off pipe 7 is positioned at the extreme lower position of can body, is convenient to discharge the impurity of precipitation.
Working process of the present utility model is as follows: when having micro-contaminated rain water to utilize, micro-contaminated rain water promotes through water pump (flowing automatically if elevation allows also can not adopt water pump) this equipment that enters, through water distributing pipe 1, enter water distributing area, further water distribution effect through lower perforation plate 2 and supporting layer 3, the stable rising of rainwater is upwards compacted to light filter material layer 4 the detachable upper perforation plate 5 on top, rainwater is through the absorption of light filter material layer 4, the pH value automatic-adjusting device being immersed in clear water zone by bottom through-hole after effect such as holding back processes, processing water is connected with follow-up system through rising pipe 6.Complete a filtration cycle, after water pump is out of service, by the setting of PLC electrical control cubicles, magnetic valve 8 Quick drainages that automatically arrange on opening water discharge pipe 7, the loose whereabouts of light filter material, the water of clear water zone relies on gravity flush light filter material simultaneously, after certain hour, device interior water is emptying, has realized the back flushing of light filter material, shut electromagnetic valve 8, waits for next filtration cycle.This equipment carries out back flushing by periodically emptying, has also prevented that the bottom through-hole part of pH value automatic-adjusting device is immersed in water for a long time simultaneously, has guaranteed that pH value can not continue rising destruction system balancing.In addition, periodically setting emptying and upflow tube 15 has also prevented that by the adjusting of liquid level solid alkaline material from hardening.
Embodiment of the present utility model is not limited to this, according to foregoing of the present utility model, according to ordinary skill knowledge and the customary means of this area, for some equipment distortion of directly deriving the enlightenment from the utility model content and embodiment or associating, various combination form, different types of light filter material, different automatic adjusting pH system forms, for example change water distributing pipe, the form of lower perforation plate and upper perforation plate, remove supporting layer or increase supporting layer on upper perforation plate, the position of modifier outward appearance and pipe connecting, pH regulator system form and anti-compaction measure that modifier is inner integrated, increase regulation system quantity, change water inlet character and water outlet purposes, adopt the unsubstantiality of different shapes light filter material and change light filter material particle diameter etc. to change, can realize function of the present utility model, all belong to protection domain of the present utility model.Therefore do not departing under the above-mentioned basic fundamental thought of the utility model prerequisite, the utility model can also be made modification, replacement or the change of other various ways, within all dropping on the utility model rights protection scope.