CN105692948B

CN105692948B - A kind of dmp filter purifier

Info

Publication number: CN105692948B
Application number: CN201610281386.7A
Authority: CN
Inventors: 谢刚
Original assignee: Sichuan Muyu Environmental Protection Technology Co Ltd
Current assignee: Sichuan Muyu Environmental Protection Technology Co Ltd
Priority date: 2016-04-29
Filing date: 2016-04-29
Publication date: 2018-09-18
Anticipated expiration: 2036-04-29
Also published as: CN105692948A

Abstract

The invention discloses a kind of dmp filter purifiers, described device is double-wall structure, the chamber that internal chamber wall is surrounded is filter chamber, it is provided with filter element in filter chamber, collection port is provided with above filter element, the chamber between internal chamber wall and outer chamber wall is drainage lumens, internal chamber wall bottom is provided with through-hole, filter chamber and drainage lumens are penetrated through, are provided with the water inlet penetrated through with drainage lumens above outer chamber wall, bottom of device is provided with the sewage draining exit penetrated through with filter chamber.Beneficial effects of the present invention：Filter element modular combination, using reverse filtering scheme, dmp filter water quality is good, simultaneously effective solves the automatic cleaning emission problem of filtering residue, and filtration, purification is efficient, convenient for safeguarding.

Description

A kind of dmp filter purifier

Technical field

It is used for filtration, purification the present invention relates to a kind of filtering and purifying, in especially a kind of sponge urban construction and collects The device of rainwater.

Background technology

It is to arrange soon soon put that previous urban construction, which solves the thinking of rainwater emission problem, is arranged by the collection of ground rainwater mouth Water municipal administration storm sewer system, is finally drained to natural water area.This processing method does not consider that the collection of rainwater recycles, wave Take natural resources, and be not arranged and regulate and store and purification facility, is involved in the rubbish of pipe-line system by rainwater under heavy showers environment It is not only easy blocking pipeline with sundries, can equally cause environmental pollution to natural water area.

Upper in order to solve the problems, such as, country proposes " sponge city " this concept, that is, is directed to the new of modern city design Type storm water man- agement concept, allows urban infrastructure to can adapt to environmental change, and the impact that elastic can be coped with rainwater and bring is being dropped Rainwater is collected when rain, is detained rainwater, purifying rainwater, savings rainwater, infiltration rainwater, and the rainwater of storage is discharged into profit again when needed With；

Before rainwater enters the savings of final collection vessel, it is necessary to be filtered purification to rainwater；In traditional conventional rainwater In filtering and purifying, most material for core is that one or more kinds of materials are blended in a container, and water inlet is from filter core Portion introduces, and is filtered downwards using the weight of water, this filter type has the disadvantage that：(1) filtering material is single or multiple material It lumps together, is unfavorable for the suspended particulate step filtering purifying in rainwater, and be unfavorable for the exchange and maintenance of later stage filter core. (2) rainwater filters from the top down, and the impurity filtered out in this way can stay on filter core, these impurities accumulations are excessive for a long time, just Filter core can be polluted and be blocked, causes the reduction of filter element filtering efficiency, while the water quality filtered can not also ensure, it is serious or even can block up Fill in filter element；(3) traditional filter element after a period of use, needs to be rinsed filter core with clear water, attached to remove Impurity above, it is serious just to need, to material for core integral replacing, a large amount of clear water be wasted in this way, can also additionally it increase Maintenance cost increases worker's workload.

Invention content

It is an object of the invention to：There is provided it is a kind of realizing the efficient depth-type filtration of rainwater and impurity screening clear up automatically discharge Filtering and purifying is realized by following technical proposals：

A kind of dmp filter purifier, described device are double-wall structure, and the chamber that internal chamber wall is surrounded is filter chamber, It is provided with filter element in filter chamber, collection port is provided with above filter element, the chamber between internal chamber wall and outer chamber wall is drainage Chamber, internal chamber wall bottom are provided with through-hole, and filter chamber and drainage lumens are penetrated through, and are provided with to enter with what drainage lumens penetrated through above outer chamber wall The mouth of a river, bottom of device are provided with the sewage draining exit penetrated through with filter chamber.

The present invention uses reverse filter design, is arranged by above structure, after flow enters drainage lumens from water inlet, leads to Cross through-hole and enter savings below filter chamber, when liquid level put aside to a certain degree after, filter chamber is entered by filter element from below Top, then rain water collecting system is entered by collection port.

Alternatively, the water inlet area is more than blowdown open area.It, will not be all fast after flow enters from water inlet Speed enters sewage draining exit, and undischarged rainwater since liquid level pressure acts through filter element enters collection after being put aside in filter chamber Mouthful, realize reverse filtering.

Alternatively, body bottom portion is provided with the valving being opened and closed for control of sewage disposal mouth.

Alternatively, the valving is ball-cock assembly.

After liquid level proceeds to certain phase, ball-cock assembly closes sewage draining exit, further increases liquid level savings and crosses filtering velocity Degree.

Alternatively, the ball-cock assembly includes floating ball, lever and bulb stopper, and leakage mouth is provided on bulb stopper.

Alternatively, the filter element includes frame and filtering module, and lower portion is provided with several layers of filter grid, filtering Module be arranged in filter grid, filtering core is provided in filtering module, size, the size of filtering module are equal, mutually it Between it is replaceable.

Alternatively, the filtering core is quartz sand, activated carbon, strainer or filter cloth.

Alternatively, three layer filtration lattice are provided in the frame, by dmp filter direction, be arranged in first floor filtering module Filtering core be 50 mesh quartz sand, middle layer be 100 mesh quartz sands, tail layer be activated carbon.

Filter element can be replaced at any time with each other using the filtering module of same size, size, safeguard or adjusting filtering Filtering module is extracted out to replacement when demand out of filter grid；Filtering core uses various material, can be with according to filtration needs Shi Genghuan；The first floor and middle level by rainwater impurity and large-scale particulate matter filter, tail layer activated carbon adsorbs tiny particles content, with Reach purification purpose.It, can be in frame edge and institute's installation site seam crossing as there is installation gap between filter element and internal chamber wall Sealant or diaphragm seal are added, avoids not filtering rainwater from seam crossing leakage.

Alternatively, be provided with access hole at the top of described device, maintenance personnel can enter inside device to filter element and Ball-cock assembly is safeguarded, convenient and reliable.

The present invention workflow be：

1. rainwater is flowed into from water inlet through drainage lumens, the impurity deposited after last filter is gone out from sewage draining exit, due to Blowdown open area is less than water inlet, therefore rainwater is put aside in filter chamber and drainage lumens；

2. after liquid level is put aside to certain position, ball-cock assembly closes sewage draining exit, further increases liquid level savings speed；

3. under hydraulic action, rainwater is entered by filter element above filter chamber, is passed through by the rainwater after filtration, purification Collection port enters rainwater-collecting pipeline；

4. after rainfall stops, water inlet stops water inlet, and the rainwater put aside in device is from the leakage mouth on ball-cock assembly bulb stopper It is slowly discharged, the water level decreasing in filter chamber takes the impurity screening being attached on filtering module out of, heavy in the bottom of filter chamber Product；

5. after liquid level drops to certain phase, ball-cock assembly is opened, and remaining rainwater is discharged from sewage draining exit, while taking away part The impurity of filter deposition, device reset, and waiting is filtered next time.

In conclusion beneficial effects of the present invention：

1. component carries out modularized design, filtering module external dimensions is identical, each module loads a kind of filter core material Material, the block combiner for loading different material for core together, it is net can to carry out classified filtering to the tiny suspended particulate in rainwater Change, promote filter effect, while when filter core need to repair replacement can exchange with new module, maintenance is very simple；

2. being filtered using counter-current, the impurity filtered out in this way stays in the lower part of filtering module, at the end of filter process, The impurity for being attached to module lower part is taken out of filtering module by the rainwater of adverse current under the effect of gravity；

3. the automatic cleaning and discharge to impurity screening may be implemented using the sewage draining exit and ball-cock assembly of bottom of device setting.

Description of the drawings

Fig. 1 is the schematic diagram when present invention starts water inlet；

Fig. 2 is the schematic diagram for starting filtering after flow of the present invention is put aside with collecting；

Fig. 3 is that the present invention stops the drain status diagram after water inlet；

Fig. 4 is the ball-cock assembly leakage mouth working condition close-up schematic view of Fig. 3；

Fig. 5 is the structural schematic diagram of filter element；

In figure, 1 is filtering and purifying, and 2 be access hole, and 3 be water inlet, and 4 be drainage lumens, and 5 be filter chamber, and 6 be blowdown Mouthful, 7 be ball-cock assembly, and 8 be filter element, and 9 be collection port, and 10 be through-hole, and 11 be tail layer filtering module, and 12 be middle layer filter module Block, 13 be first floor filtering module, and 14 be frame, and 15 be filter grid, and 16 be floating ball, and 17 be lever, and 18 be bulb stopper, and 19 be leakage Mouthful.

Specific implementation mode

With reference to specific embodiments and the drawings, the present invention is further illustrated.

Refering to what is shown in Fig. 1, a kind of dmp filter purifier 1 using double-wall structure, the chamber that internal chamber wall is surrounded For filter chamber 5, filter element 8 is provided in filter chamber, 8 top of filter element is provided with collection port 9, between internal chamber wall and outer chamber wall Chamber be drainage lumens 4, internal chamber wall bottom is provided with through-hole 10, filter chamber 5 and drainage lumens 4 penetrated through, and is arranged above outer chamber wall There are the water inlet 3 penetrated through with drainage lumens 4, bottom of device to be provided with the sewage draining exit 6 penetrated through with filter chamber 5.3 area of water inlet is more than 6 area of sewage draining exit.Body bottom portion is provided with the ball-cock assembly 7 being opened and closed for control of sewage disposal mouth 6, and the ball-cock assembly 7 includes floating ball 16, Lever 17 and bulb stopper 18 are provided with leakage mouth 19 on bulb stopper 18.The filter element 8 includes frame 14,14 inside setting of frame There are three layer filtration lattice 16, first floor filtering module 13, middle layer filtering module 12, tail layer mistake are respectively arranged with by dmp filter sequence Module 11 is filtered, size, the size of each filtering module are equal, from each other alternatively, the mistake being arranged in first floor filtering module 13 Filter body is the quartz sand of 50 mesh, and middle layer 12 is 100 mesh quartz sands, and tail layer 11 is activated carbon.

As shown in Figs. 1-3, rainwater is flowed into from water inlet 1 through drainage lumens 4, and remaining impurity is from blowdown after the last time is filtered Mouth 6 is gone out, since 6 area of sewage draining exit is less than water inlet 1, rainwater savings in filter chamber 5 and drainage lumens 4；When liquid level is accumulated After storing certain position, ball-cock assembly 7 closes sewage draining exit 6, further increases liquid level savings speed；Under hydraulic action, rainwater Enter 5 top of filter chamber by filter element 8, rainwater-collecting pipeline is entered by collection port 9 by the rainwater after filtration, purification；

As shown in figure 5, after water inlet 1 stops intaking, the rainwater put aside in device is from the leakage on 7 bulb stopper 18 of ball-cock assembly The slowly discharge of mouth 19；After liquid level drops to certain phase, ball-cock assembly 7 is opened, and rainwater is discharged from sewage draining exit 6, and device resets, portion Divide the remaining impurity of filtering to remain in 5 bottom of filter chamber, the when of intaking next time is waited for be rushed with flow.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.

Claims

1. a kind of dmp filter purifier, which is characterized in that described device is double-wall structure, the chamber that internal chamber wall is surrounded For filter chamber, it is provided with filter element in filter chamber, is provided with collection port above filter element, the chamber between internal chamber wall and outer chamber wall Room is drainage lumens, and internal chamber wall bottom is provided with through-hole, and filter chamber and drainage lumens are penetrated through, and outer chamber wall top is provided with and drainage lumens The water inlet of perforation, bottom of device are provided with the sewage draining exit penetrated through with filter chamber, and water inlet area is more than blowdown open area, device Bottom is provided with the valving being opened and closed for control of sewage disposal mouth, and valving is ball-cock assembly, and ball-cock assembly includes floating ball, lever and Bulb stopper is provided with leakage mouth on bulb stopper.

2. a kind of dmp filter purifier as described in claim 1, which is characterized in that the filter element include frame and Filtering module, lower portion are provided with several layers of filter grid, and filtering module is arranged in filter grid, was provided in filtering module Filter body, size, the size of filtering module are equal, from each other alternatively.

3. a kind of dmp filter purifier as claimed in claim 2, which is characterized in that the filtering core be quartz sand, Activated carbon, strainer or filter cloth.

4. a kind of dmp filter purifier as claimed in claim 3, which is characterized in that be provided with three layers of mistake in the frame Filter grid, by dmp filter direction, the filtering core being arranged in first floor filtering module is the quartz sand of 50 mesh, and middle layer is 100 mesh Quartz sand, tail layer are activated carbon.

5. a kind of dmp filter purifier as described in claim 1, which is characterized in that be provided with maintenance at the top of described device Mouthful.