CN201482753U

CN201482753U - Cleaning device of water treatment aeration system

Info

Publication number: CN201482753U
Application number: CN2009201868745U
Authority: CN
Inventors: 李云; 尹曙涛
Original assignee: JIANGSU YAOSHENG WATER INDUSTRY EQUIPMENT GROUP Co Ltd
Current assignee: JIANGSU YAOSHENG WATER INDUSTRY EQUIPMENT GROUP Co Ltd
Priority date: 2009-08-05
Filing date: 2009-08-05
Publication date: 2010-05-26
Anticipated expiration: 2019-08-05

Abstract

The utility model relates to a cleaning device of a water treatment aeration system which comprises a cleaning solution container, a metering pump, an input pipeline, a middle pipeline, an output pipeline, a safety protective pipeline, a return pipeline, a two-position three-way valve, a safety valve, an atomizing nozzle and the like; the metering pump sends the cleaning solution in the container into the pipelines and is connected with the atomizing nozzle by the tail ends of the pipelines; the cleaning solution forms foggy cleaning solution which is spayed into an aeration pipeline to clean the aeration system. The cleaning device uses the methane acid solution for automatically and effectively finishing the cleaning work on the aeration system while the aeration system normally works, has reasonable structure and safe work, avoids the low efficiency working with time and labor consuming such as machine halt, labor cleaning and the like, can conveniently and effectively realize the routing maintenance of the aeration device, not only can effectively improve the aeration efficiency, but also can prevent an air blower from load running and effectively saves the energy consumption.

Description

The cleaning device of water treatment aeration system

Technical field

The utility model relates to water treatment field, relates in particular to the cleaning device of water treatment aeration system.

Background technology

Aerating system is an important component part in the water treatment system, especially in cesspool, make in the water dissolving contain an amount of oxygen by aeration, can keep survival of sewage disposal flora and effectively work in the water treatment, so oxygen content is a very important parameter.Micro-hole aerator can produce very fine and closely woven bubble, has effectively increased the area of bubble and water contact interface, has improved dissolved oxygen efficiency greatly.Therefore in modern water treatment facilities, use more and more widely.

But because the hole of micro-hole aerator is very small, stop up extremely easily simultaneously.The reason that aerator stops up normally causes owing to calcareous, iron class incrustation, for example enters the particulate of aerator pore.If the long-term continuous aeration of equipment, plugging rate is very low; If but aeration interrupts, for example: owing to power shortage or related process reason, equipment stops aeration, and this moment, the pressure of water can make particulate or dirt enter the aerator pore to result in blockage.Obstruction will increase the air back pressure, cause air blast loading work, thereby cause extra energy consumption.

Therefore need to clean the aerator that stops up, can adopt following method usually: a kind of is to drain the pond, cleans with water under high pressure or cleaning agent and brush; Another kind is that the aeration group is shifted out the pond, pulls down aerator, cleans one by one.These methods not only need the normal operation of halt device, and need manually clean, and waste time and energy and poor efficiency, have had a strong impact on the normal operation of a whole set of water treatment system.

For the cleaning of aerating system, 85% formic acid is a kind of desirable chemical, can be powerful and effectively dissolve the incrustation of most of aerator micropores.Simultaneously, it uses relatively safe ready, can not influence biological and growth process, also can not corrode aerating system ABS, UPVC plastic tube, stainless steel pipe, rubber diaphragm commonly used, and galvanized pipe is the also corrosion of ability formic acid to a certain extent.But when artificial the cleaning, exist formic acid and the potential danger that human body skin directly contacts inevitably,, corrosiveness and chemical toxicity are arranged still still, therefore need the necessary protection measure though be weak acid.

The utility model content

At in the prior art in order to solve the blockage problem of aerator, need stop the aerator operation, adopt the artificial aerating system that cleans, waste time and energy poor efficiency and have problems such as potential safety hazard, a kind of cleaning device of water treatment aeration system is provided, and it has advantage convenient and safe, efficient and that can clean automatically under the equipment normal running (operation) conditions.

The technical scheme that the utility model adopted is as follows:

A kind of cleaning device of water treatment aeration system, comprise soda liquor container, intake line one end is inserted in the soda liquor container, and the other end of intake line is connected the input of measuring pump, measuring pump connects motor and controller, controls by motor-driven and by controller; Be connected with first intermediate duct at the metering delivery side of pump, the end of first intermediate duct is connected with the inlet of first threeway; The outlet of first threeway is connected the first path mouth of two position three-way valve by second intermediate duct; Another outlet of first threeway is connected with the inlet of second threeway by safety valve, safeguard protection pipeline, the alternate path mouth of two position three-way valve is connected with another inlet of second threeway, the outlet of second threeway connects return line, and return line takes back in the soda liquor container; The threeway crossing of two position three-way valve connects output pipe, at the terminal connection atomizer of output pipe.

The terminal of described output pipe connects atomizer by snap joint.

The utility model is rational in infrastructure, work safety, can in the aerator operate as normal, finish the aerator cleaning automatically and efficiently, avoid equipment downtime and artificial the cleaning to wait the inefficient operation and the danger of wasting time and energy, can realize the regular maintenance of aerator easily and effectively; Often carry out the cleaning of aerating system, can not only effectively improve the efficient of aeration, and can prevent the operation of air blast bringing onto load, energy efficient effectively.

Description of drawings

Fig. 1 is the schematic diagram of the utility model structure;

Fig. 2 is the front view of the utility model structure;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is a two position three-way valve schematic diagram in working order;

Fig. 5 is a two position three-way valve schematic diagram in off position;

Fig. 6 is atomizer and snap joint schematic diagram;

Fig. 7 is the scheme of installation of atomizer on straight tube, broken section;

Fig. 8 is the scheme of installation of atomizer on bend pipe, broken section.

The specific embodiment

1 specify operation principle of the present utility model with reference to the accompanying drawings: the water treatment aeration system cleaning device is by forming with the lower part: soda liquor container, measuring pump, safety valve, two position three-way valve, controller, pipeline and atomizer.Under the driving of measuring pump, the formic acid solution of soda liquor container is drawn out of, pass through two position three-way valve, pass through atomizer again, formic acid solution forms the vaporific aeration passage that sprays into, the air that has formic acid when aeration is got rid of the incrustation in the aerator diaphragm micropore, aerator is kept clean and is in optimal operational condition.Controller and measuring pump are electrically connected, and the power supply of measuring pump is provided and be set its running time, and controller adopts prior art.If run into for example atomizer obstruction of fault, safety valve was opened automatically formic acid solution was turned back to soda liquor container by the backflow route this moment.Behind the cleaning machine end-of-job, the conversion two position three-way valve will turn back to soda liquor container by the backflow route for the spent acid in the aching and limp pipe.Above-mentioned measuring pump, safety valve, two position three-way valve all adopt the commercial goods.

Specify architectural feature of the present utility model in conjunction with Fig. 2 and Fig. 3.Be provided with the soda liquor container 16 of placing 85% formic acid in the bottom of frame 1, have an intake line 2 to feed soda liquor container 16, intake line 2 adopts the PVC flexible pipe.The filter 3 of prior art is set at intake line 2 middle parts, can filters the impurity in the formic acid, prevent that solid impurity from entering pump and follow-up pipeline.The end of intake line 2 is connected the input of measuring pump 4, and measuring pump 4 is fixed on the frame 1; Measuring pump 4 adopts motor 5 to drive.See Fig. 2, Fig. 3, be connected with first intermediate duct 6 at the output of measuring pump 4, its end is connected the inlet of first threeway 7; See Fig. 2, Fig. 4 and Fig. 5, one of first threeway 7 brings out mouth is connected two position three-way valve 9 by second intermediate duct 8 the first path mouth I; The other end outlet of first threeway 7 is connected the alternate path mouth II of two position three-way valve 9 by spring sealed formula safety valve 10 and the safeguard protection pipeline 11 and second threeway 12; as shown in Figure 2; another path mouth of second threeway 12 is connecting return line 17, inserts soda liquor container 16 during return line 17 work.Output pipe 13 shown in the threeway crossing III connection layout 3 of two position three-way valve 9, output pipe 13 also can adopt the PVC flexible pipe, makes things convenient for flexible bending and is connected in aerated conduit.The port of export at output pipe 13 is connected with snap joint 14, and it can be connected with the joint of atomizer 15, also can separate fast with the joint of atomizer 15.

See Fig. 2 to Fig. 5, when work, measuring pump 4 sucks formic acid from soda liquor container under the driving of motor 5 by intake line 2, filtered by the filter 3 that is provided with in the middle of the intake line 2, formic acid sucks measuring pump 4 and arrives first threeway 7 of its end by first intermediate duct 6.First via formic acid arrives second intermediate duct 8 and two position three-way valve 9 by an outlet of first threeway 7, two position three-way valve 9 is set to duty as shown in Figure 4 during operate as normal, this moment, the first path mouth I and threeway crossing III were communicated with, alternate path mouth II is by shutoff, and therefore the formic acid in second intermediate duct 8 arrives output pipe 13 by two position three-way valve 9; Because when operate as normal, formic acid pressure does not reach the threshold values of safety valve 10 in the pipeline, and therefore the second road formic acid of another outlet by first threeway 7 is intercepted by safety valve 10, can not enter safeguard protection pipeline 11.This moment, first via formic acid solution arrived snap joint 14 and atomizer 15 by output pipe 13, was atomized under the effect of pressure and sprayed into aerated conduit 19, and aerated conduit and aerator are cleaned.When cleaning finishes; two position three-way valve 9 is diverted to as shown in Figure 5 closed position; this moment, the alternate path mouth II and the threeway crossing III of two position three-way valve 9 were communicated with; the first path mouth I is by shutoff; the operator unloaded atomizer and raised output pipe 13 from aerated conduit this moment; residue formic acid under the gravity effect in the output pipe 13 flows into safeguard protection pipeline 11 by two position three-way valve 9, changes return line 17 over to through second threeway 12 time, thereby is back to soda liquor container 16.

When equipment occurs unusual; for example atomizer 15 blocks; the interior formic acid solution pressure of whole pipeline this moment increases; surpass the threshold values that safety valve 10 sets; safety valve 10 unlatchings this moment; the formic acid solution that is pumped into by measuring pump 4 can not enter second intermediate duct 8 and two position three-way valve 9 arrives output pipe 13 by first threeway 7; can only enter safeguard protection pipeline 11 by the safety valve of opening 10; flow into return line 17 by second threeway 12; thereby be back to soda liquor container 16, cause pipeline to reveal danger or damage equipment too greatly to prevent formic acid solution pressure.

As shown in Figure 6, the port of export of output pipe is provided with quick female joint 14, and atomizer 15 sides also are provided with corresponding quick male joint simultaneously.Snap joint 14 can directly be installed or dismounting from the tip side of atomizer 15 quickly and easily, known prior art and standardized element that above-mentioned quick pin and box sub is adopted.

As shown in Figure 7 and Figure 8, on aerated conduit 19, have the hole, known internal thread external piece 18 is installed on the hole, with the convenient atomizer 15 of installing.Atomizer 15 can be installed on the aerated conduit 19 for a long time by internal thread external piece 18, also can be from aerated conduit 19 dismounting, block internal thread external piece 18 on the aerated conduit 19 with plug at ordinary times, and remove plug during cleaning, install atomizer 15.Fig. 7 illustrates the state that is installed on the straight tube, and air blast blasts air from the diagram left side, and atomizer 15 forms the vaporific aerated conduit that sprays into formic acid solution, is brought into the rear aerator simultaneously by absorption of air.Fig. 8 illustrates the state that is installed on the bend pipe, and is the same, and air blast blasts air from the diagram left side, and nozzle 15 forms the vaporific aerated conduit 19 that sprays into formic acid solution, is brought into the rear aerator by air.Because atomizing formic acid is vertical with air flow in straight tube, and it is parallel at misting of bend pipe state formic acid with air flow, therefore in the effect that atomizer is installed on the bend pipe better effects if is installed than on straight tube, and is difficult for causing that formic acid deposits on tube wall, influence cleaning performance.As a rule, suggestion is installed in the bend loss of aerated conduit 19 with atomizer 15, condition do not allow or the situation of spatial constraints under, can be installed on the straight length of aerated conduit 19.

More than describing is to explanation of the present utility model, is not the qualification to utility model, and the utility model institute restricted portion is referring to claim, and under the situation of spirit of the present utility model, the utility model can be done any type of modification.

Claims

1. the cleaning device of a water treatment aeration system, it is characterized in that: comprise soda liquor container, intake line one end is inserted in the soda liquor container, and the other end of intake line is connected the input of measuring pump, measuring pump connects motor and controller, controls by motor-driven and by controller; Be connected with first intermediate duct at the metering delivery side of pump, the end of first intermediate duct is connected with the inlet of first threeway; The outlet of first threeway is connected the first path mouth of two position three-way valve by second intermediate duct; Another outlet of first threeway is connected with the inlet of second threeway by safety valve, safeguard protection pipeline, the alternate path mouth of two position three-way valve is connected with another inlet of second threeway, the outlet of second threeway connects return line, and return line takes back in the soda liquor container; The threeway crossing of two position three-way valve connects output pipe, at the terminal connection atomizer of output pipe.

2. the cleaning device of a water treatment aeration system as claimed in claim 1, it is characterized in that: the terminal of described output pipe connects atomizer by snap joint.