CN209428291U - A kind of painting wastewater circulating treating system - Google Patents

Abstract

The utility model discloses a kind of painting wastewater circulating treating systems, including a paint spray booth, the paint spray booth connects first circulation pond by pipeline all the way, another way connects second circulation pond, the first circulation pond passes through pipeline with second circulation pond and connect flocculation tank, the flocculation tank connects flotation tank by pipeline, the flotation tank a-road-through piping connects intermediate water pot, the intermediate water pot connects multimedium/active carbon filter by pipeline, multimedium/the active carbon filter connects accurate microstrainer by pipeline, the precision microstrainer connects second circulation pond by pipeline, the utility model can realize the purification of painting wastewater, it can be recycled, filtering accuracy is high, water circulation use rate is high.

Description

A kind of painting wastewater circulating treating system

Technical field

The utility model relates to sewage disposal system fields, and in particular to a kind of painting wastewater circulating treating system.

Background technique

Painting wastewater is mainly derived from paint spray booth and operation area air is washed with water, and paints object in air and organic solvent is transferred The painting wastewater formed into water, containing a large amount of paint composition granules in waste water, in painting wastewater generally can containing more suspended matter and Organic pollutant, sewage composition is complicated, and coloration changes greatly, major pollutants are as follows: organic matter, pH, petroleum-type, suspended matter and color Degree, therefore painting wastewater needs purified treatment that can just come into operation again.

Utility model content

In view of the above-mentioned problems existing in the prior art, the utility model aim is to propose a kind of painting wastewater circular treatment System.

The technical issues of the utility model solves can be realized using following technical scheme:

A kind of painting wastewater circulating treating system,

Including paint spray booth, the paint spray booth connects first circulation pond by pipeline all the way, and another way connects second circulation Pond, the first circulation pond pass through pipeline with second circulation pond and connect flocculation tank, and the flocculation tank is logical Piping connects flotation tank, and the flotation tank a-road-through piping connects intermediate water pot, and the intermediate water pot is connected by pipeline Multimedium/active carbon filter, the multimedium/active carbon filter connect accurate microstrainer by pipeline, and the precision is micro- Filter connects second circulation pond by pipeline；The flotation tank another way is connected with dross storage sink, the dross storage Sink connects sludge storage tank by pipeline, and the sludge storage tank is connected with sludge drying pond, the sludge drying pond by pipeline First circulation pond is connected by pipeline；

The flotation tank includes flotation tank ontology, and flotation tank ontology side inner wall is equipped with dross and stores sink, institute It states dross storage sink and has dross pipeline, dross pipeline one end connects dross and stores sink, and the other end runs through air bearing This body sidewall of pond simultaneously extends to flotation tank ontology side wall lower ends, and the flotation tank ontology is equipped with transmission chain, on the transmission chain One scum board is installed, the flotation tank ontology sidewall upper is equipped with water inlet line, and the flotation tank ontology side wall lower ends are equipped with Outlet conduit, the outlet conduit are equipped with outlet conduit valve, and closely flotation tank ontology side is equipped with dissolving, the molten gas Tank is connect with flotation tank ontology by Gas dissolving pipe road, and Gas dissolving pipe road one end extends in flotation tank ontology, the Gas dissolving pipe The road other end is connected to dissolving water outlet, and the Gas dissolving pipe road is equipped with Gas dissolving pipe road valve；

The dissolving includes dissolving ontology, and dissolving ontology lower end is equipped with dissolving pedestal, dissolving is discharged Mouthful, dissolving ontology upper end is equipped with dissolving water inlet, pressure gauge, and the dissolving ontology sidewall upper enters equipped with gas Mouthful, closely dissolving ontology side is equipped with an air compressor machine, and the air compressor machine is equipped with gas vent, the gas vent and gas Entrance is connected by pipeline.

Preferably, the multimedium/active carbon filter includes filter body, and the filter body upper end was equipped with Filter water inlet adds media port, is provided with access hole on the filter body side wall, the filter body lower end is equipped with Filter base and filter water outlet, the filter body inner upper end, which is equipped with, matches water pond, described to be equipped with water pond lower end Dielectric layer, the dielectric layer lower end are equipped with a filter plate with leak hole.

Preferably, the accurate microstrainer includes microstrainer ontology, and microstrainer ontology upper end intakes equipped with microstrainer Mouthful, the microstrainer ontology side wall lower ends are equipped with microstrainer water outlet, and microstrainer body interior upper end is equipped with microfiltration membranes, institute Microstrainer body interior lower end is stated equipped with slanting baffle.

Preferably, it is porous setting that the Gas dissolving pipe road, which extends to one end of flotation tank,.

Preferably, the flotation tank is connected with dissolving.

Preferably, the first circulation pond and flocculation tank interconnecting piece, second circulation pond and flocculation tank connect Socket part is equipped with elevator pump, between the intermediate water pot and multimedium/active carbon filter, sludge storage tank and sludge drying pond it Between be equipped with pressurization elevator pump.

The utility model has the beneficial effects that

1. the utility model is supplied water using Two-way Cycle pond, working efficiency is improved.

2. using filter operation twice in the utility model decontamination process, the filtering accuracy of waste water is improved.

3. the moisture in dross is filtered use, save the cost by the utility model sludge drying pond again.

Detailed description of the invention

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

Fig. 2 is the utility model flotation tank structural schematic diagram；

Fig. 3 is the utility model dissolving structural schematic diagram；

Fig. 4 is the utility model multimedium/active carbon filter structural schematic diagram；

Fig. 5 is the utility model precision microstrainer structural schematic diagram.

Wherein: 1. paint spray booths；2. first circulation pond；3. flocculation tank；4. flotation tank；5. intermediate water pot；Being situated between 6. more Matter/active carbon filter；7. accurate microstrainer；8. second circulation pond；9. dross stores sink；10. sludge storage tank；11. dirty Mud mummifying pool；12. dissolving；

401. flotation tank ontologies；402. transmission chain；403. scum board；404. water inlet line；405. Gas dissolving pipe roads；406. Outlet conduit；407. outlet conduit valves；901. dross pipelines；121. Gas dissolving pipe road valve；

122. dissolving ontology；123. dissolving water inlet；124. pressure gauge；125. dissolving water outlet；126. molten gas Tank bottom seat；127. gas access；128. gas vent；129. air compressor machine；

601. filter body；602. filter water inlets；603. addition media ports；604. match water pond；605. dielectric layer； 606. access hole；607. filter plate；608. filter water outlets；609. filter base；

701. microstrainer water inlets；702. microstrainer ontologies；703. microfiltration membranes；704. slanting baffle；The water outlet of 705. microstrainers Mouthful.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.

Referring to figs. 1 to shown in Fig. 5, the utility model specifically discloses a kind of painting wastewater circulating treating systems, including spray Paint room 1, the paint spray booth 1 connect first circulation pond 2 by pipeline all the way, and another way connects second circulation pond 8, and described the One circulating water pool 2 connect flocculation tank 3 by pipeline with second circulation pond 8, and the flocculation tank 3 is connected by pipeline Flotation tank 4 is connect, the 4 a-road-through piping of flotation tank connects intermediate water pot 5, and the intermediate water pot 5 connects be situated between by pipeline more Matter/active carbon filter 6, the multimedium/active carbon filter 6 connect accurate microstrainer 7, the precision micro-filtration by pipeline Device 7 connects second circulation pond 8 by pipeline；4 another way of flotation tank is connected with dross storage sink 9, the dross storage Water storage flume 9 connects sludge storage tank 10 by pipeline, and the sludge storage tank 10 connects sludge drying pond 11, the sludge by pipeline Mummifying pool 11 connects first circulation pond 2 by pipeline；

The flotation tank 4 includes flotation tank ontology 401, and the 401 side inner wall of flotation tank ontology is stored equipped with dross Sink 9, the dross storage sink 9 have dross pipeline 901, and 901 one end of dross pipeline connection dross stores sink 9, the other end is through 401 side wall of flotation tank ontology and extends to 401 side wall lower ends of flotation tank ontology, the flotation tank ontology 401 It is equipped with transmission chain 402, a scum board 403 is installed on the transmission chain 402,401 sidewall upper of flotation tank ontology is set There is water inlet line 404,401 side wall lower ends of flotation tank ontology are equipped with outlet conduit 406, and the outlet conduit 406 is equipped with Outlet conduit valve 407, closely 401 side of flotation tank ontology is equipped with dissolving 12, the dissolving 12 and flotation tank ontology 401 It is connected by Gas dissolving pipe road 405, described 405 one end of Gas dissolving pipe road is through 401 side wall of flotation tank ontology and extends to flotation tank sheet 401 inner bottom of body, 405 other end of Gas dissolving pipe road are connected to dissolving water outlet, and the Gas dissolving pipe road is equipped with molten gas Pipeline valve 121；

The dissolving 12 include dissolving ontology 122,122 lower end of dissolving ontology be equipped with dissolving pedestal 126, Dissolving water outlet 125,122 upper end of dissolving ontology are equipped with dissolving water inlet 123, pressure gauge 124, the dissolving 122 sidewall upper of ontology is equipped with gas access 127, and closely 122 side of dissolving ontology is equipped with an air compressor machine 129, the pneumatics Machine 129 is equipped with gas vent 128, and the gas vent 128 is connect with gas access 127 by pipeline.

Wherein, the multimedium/active carbon filter 6 includes filter body 601,601 upper end of filter body Equipped with filter water inlet 602, addition media port 603, liquid to be filtered and filter medium, the filtering are added into filter It is provided with access hole 606 on 601 side wall of device ontology, personnel is facilitated to overhaul, 601 lower end of filter body is equipped with filter bottom Seat 609 and filter water outlet 608, filtered solution is discharged, and 601 inner upper end of filter body is equipped with water distribution Disk 604, disperses liquid to be filtered, increases contact area, described to be equipped with dielectric layer 605, the dielectric layer with 604 lower end of water pond 605 lower ends are equipped with a filter plate 607 with leak hole.

The precision microstrainer 7 includes microstrainer ontology 702, and 702 upper end of microstrainer ontology intakes equipped with microstrainer Mouth 701, enters liquid to be filtered in accurate microstrainer 7, and 702 side wall lower ends of microstrainer ontology are equipped with microstrainer water outlet 705, make filtered liquid that accurate microstrainer 7 be discharged, 702 inner upper end of microstrainer ontology is equipped with microfiltration membranes 703, described 702 interior lower end of microstrainer ontology is equipped with slanting baffle 704, and filtered liquid is facilitated to flow out.

One end that the Gas dissolving pipe road extends to flotation tank is porous setting, facilitates gas to flow out, the flocculation tank 3 It is interior to be added with lacquer mist coagulant and PAC, PAM flocculant, form colloidal solid for wadding body, the flotation tank 4 connects molten gas Tank 12 reaches saturation by dissolving in the air of pressurization in water, and the decompression of dissolved air water stream releases microbubble when entering flotation tank_,Institute It states first circulation pond 2 and 3 interconnecting piece of flocculation tank, second circulation pond 8 and 3 interconnecting piece of flocculation tank is equipped with promotion Painting wastewater in circulating water pool is evacuated to flocculation tank 3 by pump, the intermediate water pot 5 and multimedium/active carbon filter 6 it Between be equipped with pressurization elevator pump, by clear water suction multimedium/active carbon filter 6 be filtered processing；The flotation tank 4 is equipped with Dross is scraped by Slag Scraping Device and stores sink 9 into dross by Slag Scraping Device, and then the dross sludge in dross storage sink 9 flows into certainly In sludge storage tank 10, the dross sludge in sludge storage tank 10 is pumped into sludge drying pond 11 by pressurization elevator pump and was carried out Filter, final filtration liquid flow into first circulation pond 2.

Its course of work: paint spray booth 1 carries water circulation system, and water circulation system is by water circulating pump first from first circulation water Pond 2 is drawn water use, when water body is unable to satisfy processing request in first circulation pond 2, by the object switching of drawing water of water circulating pump Continue to process to second circulation pond 8, purification processing is carried out to painting wastewater in first circulation pond 2, first with elevator pump by Painting wastewater is evacuated to flocculation tank 3 in one circulating water pool 2, adjusts the pH value of flocculation tank 3 to 9, is then successively flocculating Lacquer mist coagulant, PAC flocculant and PAM flocculant are added in reaction tank 3, the particle in painting wastewater is become into wadding body, then Waste water in flocculation tank 3 is entered in flotation tank 4 by pipeline self, the flotation tank 4 is connected with dissolving 12, described Dissolving 12 is constantly passed through pressure-air and is dissolved in water in dissolving 12 by air compressor machine 129, then dissolving 12 by this The solution of a little saturations of the air is passed through decompression generation microbubble in flotation tank 4 and then leads to by the continuous band of wadding body in waste water to the water surface Crossing the transmission chain 402 being arranged on flotation tank 4 drives scum board 403 to scrape these wadding body drosses into dross storage sink 9, then Clear water in flotation tank 4 is entered into intermediate water pot 5 by pipeline self, with elevator pump by intermediate water pot 5 clear water be pumped into multimedium/ Prefiltration is carried out in active carbon filter 6, then accurate microstrainer 7 is entered by pipeline self and carries out secondary filter, eventually by pipe It is medium to be used that road flows into second circulation pond 8.The dross wherein scraped into dross storage sink 9 is flow automatically by dross pipeline 901 The sludge in sludge storage tank 10 is evacuated to sludge drying pond 11, the sludge into sludge storage tank 10, then by pressurization elevator pump The moisture of institute's band in the sludge of suction is filtered by mummifying pool 11 by layer of sand, and remaining sludge is cleaned out, wherein Filtered fluid by pipeline flow into first circulation pond 2 in for paint spray booth use, be unable to satisfy to water body in second circulation pond 8 When processing request by water circulating pump draw water object switch to first circulation pond 2 and with above-mentioned technique purified treatment second circulation Painting wastewater in pond 8.

The utility model is paint spray booth's water supply by two circulating water pools, using useless to the spray painting in two circulating water pools Water distinguish purified treatment, ensure that the continuity of processing and the two mutually cooperate, improve the utilization rate of water resource with And processing efficiency.

Technical solution disclosed in the utility model embodiment is described in detail above, it is used herein specifically Embodiment is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to Help understands the principle of the utility model embodiment；At the same time, for those skilled in the art, it is real according to the utility model Example is applied, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be understood For limitations of the present invention.

Claims (6)

1. a kind of painting wastewater circulating treating system, it is characterised in that: including paint spray booth, the paint spray booth is connected all the way by pipeline First circulation pond is connect, another way connects second circulation pond, and the first circulation pond and second circulation pond pass through pipe Road connects flocculation tank, and the flocculation tank connects flotation tank, the flotation tank a-road-through piping connection by pipeline Intermediate water pot, the intermediate water pot connect multimedium/active carbon filter, the multimedium/active carbon filter by pipeline Accurate microstrainer is connected by pipeline, the precision microstrainer connects second circulation pond by pipeline；The flotation tank is another Road is connected with dross storage sink, and the dross storage sink connects sludge storage tank by pipeline, and the sludge storage tank passes through pipe Road is connected with sludge drying pond, and the sludge drying pond connects first circulation pond by pipeline；

The flotation tank includes flotation tank ontology, and flotation tank ontology side inner wall is equipped with dross and stores sink, described floating Slag storage sink has dross pipeline, and dross pipeline one end connects dross and stores sink, and the other end runs through flotation tank sheet Body sidewall simultaneously extends to flotation tank ontology side wall lower ends, and the flotation tank ontology is equipped with transmission chain, installs on the transmission chain There is a scum board, the flotation tank ontology sidewall upper is equipped with water inlet line, and the flotation tank ontology side wall lower ends are equipped with water outlet Pipeline, the outlet conduit be equipped with outlet conduit valve, closely flotation tank ontology side be equipped with dissolving, the dissolving with Flotation tank ontology is connected by Gas dissolving pipe road, and Gas dissolving pipe road one end extends in flotation tank ontology, and the Gas dissolving pipe road is another One end is connected to dissolving water outlet, and the Gas dissolving pipe road is equipped with Gas dissolving pipe road valve；

The dissolving includes dissolving ontology, and dissolving ontology lower end is equipped with dissolving pedestal, dissolving water outlet, institute Dissolving ontology upper end is stated equipped with dissolving water inlet, pressure gauge, the dissolving ontology sidewall upper is equipped with gas access, tightly Dissolving ontology side is suffered equipped with an air compressor machine, the air compressor machine is equipped with gas vent, the gas vent and gas access It is connected by pipeline.

2. painting wastewater circulating treating system according to claim 1, it is characterised in that: the multimedium/active carbon mistake Filter includes filter body, and the filter body upper end is equipped with filter water inlet, addition media port, the filter sheet Access hole is provided on body sidewall, the filter body lower end is equipped with filter base and filter water outlet, the filtering Device body interior upper end, which is equipped with, matches water pond, described to be equipped with dielectric layer with water pond lower end, and the dielectric layer lower end is equipped with a band leak hole Filter plate.

3. painting wastewater circulating treating system according to claim 1, it is characterised in that: the precision microstrainer includes micro- Filter body, microstrainer ontology upper end are equipped with microstrainer water inlet, and the microstrainer side wall lower ends are discharged equipped with microstrainer Mouthful, the microstrainer inner upper end is equipped with microfiltration membranes, and the microstrainer interior lower end is equipped with slanting baffle.

4. painting wastewater circulating treating system according to claim 1, it is characterised in that: the Gas dissolving pipe road extends to gas The one end in floating pond is porous setting.

5. painting wastewater circulating treating system according to claim 1, it is characterised in that: the flotation tank is connected with molten gas Tank.

6. painting wastewater circulating treating system according to claim 1, it is characterised in that: the first circulation pond and wadding Solidifying reaction tank, second circulation pond and flocculation tank interconnecting piece are equipped with elevator pump, the intermediate water pot and multimedium/activity Pressurization elevator pump is equipped between carbon filter, between sludge storage tank and sludge drying pond.