CN1323951C

CN1323951C - Sewage separation equipment

Info

Publication number: CN1323951C
Application number: CNB2005101021716A
Authority: CN
Inventors: 毕天庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-05
Filing date: 2005-12-05
Publication date: 2007-07-04
Anticipated expiration: 2025-12-05
Also published as: CN1803649A

Abstract

The present invention discloses a separating device which can effectively separate sewage with heavy metal and comprises an electrolytic reaction part and deposition part, wherein the electrolytic reaction part comprises a filter (13), a water inlet tank (1), a circulating tank (2), a first water pump (4), a first flow meter (3), at least one reactor (5), a flocculating tank (7), a second water pump (9) and a second flow meter (8) which are communicated with each other in sequence, wherein the bottom of the reactor (5) is respectively communicated with the water inlet tank (1) and a balancer (6) which is communicated with the circulating tank (2), the flocculating tank (7) is also communicated with the circulating tank (2), and the electrolytic reaction part is integrated on a machine frame (15); the deposition part comprises at least one deposition tank (10) which is communicated with the second flow meter (8). The present invention has the advantages of convenient movement, favorable treating effect, low operating cost and low electric power consumption.

Description

Sewage separation equipment

Technical field

The present invention relates to environmental protection equipment, especially relate to and a kind ofly can effectively separate the sewage separation equipment that has heavy metal.

Background technology

At present, one of advanced wastewater processing technology is high-voltage pulse electrolysis tech---the high-voltage pulse electrocoagulation that adopts electrochemical process, and domestic existing part company is applying.The part of its electric coagulation machine mainly is that battery lead plate is fixed in the fixed electrolytic vessel, and this container (electrolyzer of electrolyzer or civil engineering) is fixed on the ground, guarantees normal processing waste water by its electric control gear.Equipment body is not removable, is one-time investment.When carrying out wastewater treatment, produce electrochemical reaction by the effect of impressed current, when pulsed current through electrode during by electrolyte solution (waste water), positive cloudy two interpolars of bed electrolysis just produce electronic migration, thereby deleterious elements such as heavy metal are removed.There is following defective in existing sewage treatment equipment:

1, the construction of equipment is open, and floor space is big;

2, equipment is fixed on the ground, and is not removable;

Need add chemicals when 3, carrying out wastewater treatment, increase processing cost;

4, the mud of Chan Shenging is many.

Summary of the invention

The objective of the invention is to solve existing sewage treatment equipment floor space greatly, not removable and processing cost technical problems of high, a kind of semi-enclosed, removable and sewage separation equipment that treatment effect is good is proposed.

For addressing the above problem, technical scheme of the present invention is a kind of sewage separation equipment of structure, it comprises electrolytic reaction part and deposition part, described electrolytic reaction partly comprises: the strainer that order is communicated with, inlet flume, circulation groove, first water pump, first flow meter, at least one reactor, flocculation groove, second water pump and second under meter, described reactor bottom is communicated with a described inlet flume and a static organ respectively, this static organ is communicated with described circulation groove, described flocculation groove also is communicated with described circulation groove, and described electrolytic reaction is partially integrated on the frame; Described deposition part comprises: the sedimentary deposit tank that at least one is communicated with described second under meter.

Wherein, described reactor comprises: casing, be located at the electrode plate assembly of being separated by and installing at this casing middle part, be located at the wastewater inlet pipe that is communicated with described first flow meter of casing bottom, be located at the mixing water rising pipe that is communicated with described flocculation groove of casing bottom, be located at the first recirculation water rising pipe that is communicated with described circulation groove at casing middle part, also laterally be provided with an overflow plate in the described casing, in this overflow plate one side cavity described electrode plate groups has been installed, be provided with the upflow tube that is communicated with described static organ and inlet flume in the cavity of overflow plate opposite side, described reactor also is connected with electric control gear, and the bottom of described reactor also is provided with sewage draining exit.

Described electric control gear comprises: two cowling panels, the direct-current circuit that is connected this cowling panel and reactor electrodes plate that is electrically connected with the city, be located at change poles contactor between described cowling panel and the reactor electrodes plate, be serially connected in the current detecting device in the direct-current circuit and be attempted by voltage detection device in the direct-current circuit; Also comprise two analog quantity converters of corresponding connection, the analog quantity input/output module that is connected with measuring error function device, the programmable logic controller that is connected with the analog quantity input/output module with cowling panel; Also promising described analog quantity converter, analog quantity input/output module, programmable logic controller provide the regulator rectifier circuit of direct supply.

Described sedimentary deposit tank comprises: first sedimentary deposit tank that is communicated with described second under meter, second sedimentary deposit tank that is communicated with this first sedimentary deposit tank, the sludge sump that has the filter bag that is communicated with described first, second sedimentary deposit tank bottom.

Described first sedimentary deposit tank comprises: top has the tank body of clear water rising pipe, be connected in the first mud bucket and the second mud bucket on this tank body inner round wall face, vertically pass first mud bucket middle part and be positioned at aqueduct above the second mud bucket, be located at first mud bucket bottom and with the sludge water cyclone separator of aqueduct conducting, be provided with the sludge water outlet along this separator tangent to periphery direction, also comprise radial several showers of being located at described aqueduct top, be located at first blow-off pipe that described tank body middle and lower part is communicated with the first mud bucket cavity, be located at second blow-off pipe of second mud bucket inner face bottom, be located at described second under meter of connection of tank body bottom and the mixing water water inlet pipe of aqueduct, be located at the rising pipe of cavity between the connection first mud bucket at tank body middle part and the second mud bucket.

Described second sedimentary deposit tank comprises: housing, be connected in the intravital top of this shell, the bottom is unsettled and interior bucket, the 3rd mud bucket of being located at lower housing portion opened, be located at the sewage water inlet pipe that is communicated with described rising pipe between this mud bucket and the interior bucket bottom, be located at the described rising pipe of connection and the housing on housing top) with interior bucket between the secondary water water inlet pipe of cavity, be located at the described interior barrel cavity of connection on housing top secondary clear water rising pipe, be located at the 3rd blow-off pipe bottom the 3rd mud bucket inner face.

The present invention can be partially integrated in electrolytic reaction on the frame, forms a kind of semi-enclosed, removable and sewage separation equipment that treatment effect is good.Make the whole plant floor space reduce, convenient moving; Adopt one or more efficiently electrolysis reactors and one or more sedimentary deposit tank, add in nothing under the condition of chemicals, it can directly handle the heavy metal wastewater thereby of high density; In continual and steady operational process, the sludge quantity of generation is considerably less; Clear water after the processing can reuse, is convenient to realize automatization control, and running cost is low, and current consumption is little.

Description of drawings

Below in conjunction with the drawings and specific embodiments the present invention is done detailed explanation, wherein:

Fig. 1 is a process flow diagram of the present invention;

Fig. 2 is the vertical view of reactor of the present invention;

Fig. 3 be Fig. 2 H-H to sectional view;

Fig. 4 be Fig. 2 K-K to sectional view;

Fig. 5 is the sectional view of the present invention's first sedimentary deposit tank;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the sectional view of the present invention's second sedimentary deposit tank;

Fig. 8 is Fig. 7 vertical view;

Fig. 9 is the partly integrated stereographic map of electrolytic reaction of the present invention;

Figure 10 is the wiring schematic diagram of electric control gear strong power part of the present invention;

Figure 11 is the wiring schematic diagram of electric control gear weak current part of the present invention;

Figure 12 is the schematic block diagram of electric control gear work of the present invention.

Embodiment

Fig. 1 shows preferred embodiment of the present invention, and described sewage separation equipment can be divided into electrolytic reaction part and deposition part.Electrolytic reaction partly comprises: the strainer 13 that is communicated with by pipeline, inlet flume 1, circulation groove 2, first water pump 4, first flow meter 3, reactor 5, flocculation groove 7, second water pump 9 and second under meter 8.Reactor 5 bottoms can be communicated with inlet flume 1 and static organ 6 respectively, the bottom of this static organ communication loop groove 2, and the top of flocculation groove 7 also is communicated with the top of circulation groove 2.Described electrolytic reaction is partially integrated on the frame 15 (as shown in Figure 9), forms a kind of closed, removable and sewage separation equipment that treatment effect is good.The whole plant floor space is very little, and convenient the installation is convenient to move.Described deposition part comprises: first sedimentary deposit tank 10 that is communicated with above-mentioned second under meter 8, second sedimentary deposit tank 11 that is communicated with this first sedimentary deposit tank, the sludge sump that has bag filter 25 12 that is communicated with these two sedimentary deposit tanks, 10,11 bottoms.

As Fig. 2, shown in Figure 3, described reactor 5 comprises: casing 16, be located at that being separated by of this casing middle part installs and with the electrode plate assembly 17 of external power source conducting, be located at the casing bottom the wastewater inlet pipe 18 that is communicated with described first flow meter 3, be located at the casing bottom the mixing water rising pipe 19 that is communicated with described flocculation groove 7, be located at the first recirculation water rising pipe 20 that is communicated with described circulation groove 2 tops in the middle part of the casing.Also laterally be provided with an overflow plate 22 in the described casing 16, in this overflow plate one side cavity described electrode plate assembly 17 be installed, be provided with the upflow tube 23 (as shown in Figure 4) that is communicated with static organ 6 and inlet flume 1 in the cavity of overflow plate opposite side.The bottom of reactor 5 also is provided with sewage draining exit 21, and this sewage draining exit is used for the eliminating mud of not timing.The quantity of reactor 5 can be chosen as required, several reactors can parallel connection on stream.

As shown in Figure 10 and Figure 11, the battery lead plate of reactor 5 also is connected with electric control gear 14, and this electric control gear comprises: two cowling panel A1, A2, the direct-current circuit that is connected this cowling panel and reactor 5 battery lead plates that is electrically connected with the city, be located at change poles contactor KA2 between cowling panel A1, A2 and the battery lead plate, be serially connected in the current detecting device A3 in the direct-current circuit and be attempted by voltage detection device A4 in the direct-current circuit; Also comprise two analog quantity converter REF1, the REF2 of corresponding connection, the analog quantity input/output module A5 that is connected with measuring error function device, the programmable logic controller PLC that is connected with the analog quantity input/output module with cowling panel A1, A2; Also promising analog quantity converter REF1, REF2, analog quantity input/output module A5, programmable logic controller PLC provide the regulator rectifier circuit of direct supply.

As shown in figure 12, the current value that is used for electrolytic direct supply is set on PLC according to processing requirement.Behind starting equipment, PLC is by low voltage of analog output module output, detect actual current and magnitude of voltage between the pole plate by current detecting device A3 and voltage detection device A4 then, detected value becomes analog signal processing numerary signal to pass to PLC by the input circuit of analog quantity input/output module A5, PLC compares according to detected current value and setting current value, if actual current value is less than setting current value, PLC can strengthen output voltage numerical value so, this numerical value was passed to REF1 and REF2 to signal respectively by the output circuit of analog quantity input/output module A5, through REF1 and REF2 numerical signal is processed into simulating signal, again this signal is passed to cowling panel A1 respectively and A2 increases current value.PLC changes output valve by timely detection, and when actual current value equaled set(ting)value, output valve just no longer increased, otherwise if set(ting)value during greater than actual current value, output valve will reduce, to keep two numerical value unanimities.

As shown in Figure 10 and Figure 11, a change poles contactor KA2 is arranged between the pole plate of cowling panel and reactor, two normally opened contacts and two normally closed contacts are arranged above, when the KA2 adhesive, normally opened contact is connected, and normally closed contact disconnects, and pole plate two ends one positive are negative.Arrive when the change poles time, KA2 disconnects, and this moment, normally opened contact disconnected, and normally closed contact is connected, and the positive and negative of electrode two ends also just exchanged.When the specific conductivity of waste water and ionic concn are higher, the resistance between the pole plate is reduced, at this moment in order to keep actual current and to set electric current consistent.PLC will reduce the output of magnitude of voltage, by reducing virtual voltage, reaches and reduces the electric current effect.Otherwise increase magnitude of voltage.Reactor can also carry out wastewater treatment by external big direct supply.

As Fig. 5, shown in Figure 6, described first sedimentary deposit tank 10 comprises: top have the tank body 27 of clear water rising pipe 26, axially be connected to the first mud bucket 28 on this tank body inner round wall face and the second mud bucket 29, vertically pass the first mud bucket, 28 middle parts and be positioned at the second mud bucket, 29 tops aqueduct 30, be located at the first mud bucket, 28 bottoms and with the sludge water cyclone separator 31 of aqueduct 30 conductings, tangent to periphery direction along this separator is provided with a plurality of sludge water outlets 44, effectively separates so that sludge water flows into the first mud bucket 28.Also comprise radial four showers 32 being located at described aqueduct 30 tops, the quantity of shower can be chosen as required.Be located at first blow-off pipe 33 that described tank body 27 middle and lower parts are communicated with the first mud bucket, 28 cavitys in addition, be located at the second mud bucket, 29 inner faces bottom second blow-off pipe 34, be located at tank body 27 bottoms will described second under meter 8 and mixing water water inlet pipe 35, the connection first mud bucket 28 of being located at tank body 27 middle parts and the second mud bucket 29 of aqueduct 30 connections between the rising pipe 36 of cavity.As shown in Figure 5, according to reverse sedimentary principle, waste water by mixing water water inlet pipe 35 enters aqueduct 30, lighter waste water upwards flows out by the shower 32 at top along aqueduct, wherein the water that cleans rests on the top of tank body 27, and the water that contains mud is deposited on downwards on the first mud bucket 28; Heavier waste water is directly entered on the first mud bucket 28 by the outlet 44 of sludge water cyclone separator 31; Heavier sludge water directly flows to downwards on the second mud bucket 29.Sludge water is discharged by first blow-off pipe 33 on the first mud bucket 28, and the sludge water on the second mud bucket 29 is discharged by second blow-off pipe 34.

As shown in Figure 7, described second sedimentary deposit tank 11 comprises: housing 38, be connected in the intravital top of this shell, unsettled and the interior bucket 37 opened in bottom, be located at the 3rd mud bucket 39 of housing 38 bottoms, be located at the sewage water inlet pipe 40 that is communicated with described first sedimentary deposit tank, 10 upper water-out pipes 36 between this mud bucket and interior bucket 37 bottoms, be located at the secondary water water inlet pipe 41 that cavity between described rising pipe 36 and housing 38 and the interior bucket 37 is communicated with on housing 38 tops, be located at the connection on housing top described in the secondary clear water rising pipe 42 of barrel 37 inner chambers, be located at the 3rd blow-off pipe 43 of the 3rd mud bucket 39 inner faces bottom.

As shown in Figure 1, described pending waste water carries out filter just through strainer 13, enter inlet flume 1 (in the water inlet jar, can be furnished with liquid level control device) then, waste water enters circulation groove 2 from inlet flume 1 bottom, promote through first water pump 4, carry out electrolysis treatment in the accurate measurement access arrangement main body reactor 5 by first flow meter 3 (can be furnished with the low alarm device).Because of the reactor reasonable structural design, carrying out automatization control by intelligentized electric control gear 14 again handles, make the waste water in the reactor 5 can obtain excellent electrolysis effectiveness, add in nothing under the condition of chemicals that it can directly handle the heavy metal wastewater thereby of high density.Can also regulate the impressed current size automatically according to the height of the specific conductivity of waste water, to guarantee the most economical of processing cost.Below reactor 5, be provided with a static organ 6, it has the effect that makes the return of waste water cyclic balance, and flow into flocculation groove 7 through the mixed solution after reactor 5 processing, steam bubble class material wherein is back to circulation groove 2 from flocculation groove 7 tops, composite waste is promoted by second water pump 9 from flocculation groove 7 bottoms, accurate measurement through second under meter 8, enter its inside from first sedimentary deposit tank, 10 bottoms, by adopting the sedimentary mode of adverse current tentatively to deposit, because first sedimentary deposit tank, 10 reasonable structural design can make 99% sludgd deposition.Consult Fig. 5 to Fig. 8, after the abundant deposition of composite waste through first sedimentary deposit tank 10, the liquid of jar middle portion can also carry out the secondary deposition, the water quality requirement after handling with abundant assurance by the top that described rising pipe 36 and secondary water water inlet pipe 41 enter second sedimentary deposit tank 11; If the sludge quantity of jar middle portion liquid is excessive, also can carry out the secondary deposition by the bottom that described rising pipe 36 and sewage water inlet pipe 40 enter second sedimentary deposit tank 11.The sludge water of two sedimentary deposit tank 10,11 bottoms, utilize liquid level difference, enter sludge sump 12 by first, second and the 3rd blow-off

pipe

33,34,43, carry out mud-water separation through the bag filter 25 in the sludge sump, in continual and steady operational process, the sludge quantity that produces is considerably less, and filter cake is packed pending.The supernatant liquor that second sedimentary deposit tank 11 is discharged by secondary clear water rising pipe 42 can be back to production station.

Claims

1, a kind of sewage separation equipment, comprise electrolytic reaction part and deposition part, it is characterized in that, described electrolytic reaction partly comprises: the strainer (13) that order is communicated with, inlet flume (1), circulation groove (2), first water pump (4), first flow meter (3), at least one reactor (5), flocculation groove (7), second water pump (9) and second under meter (8), described reactor (5) bottom is communicated with a described inlet flume (1) and a static organ (6) respectively, this static organ is communicated with described circulation groove (2), described flocculation groove (7) also is communicated with described circulation groove (2), and described electrolytic reaction is partially integrated on the frame (15); Described deposition part comprises: the sedimentary deposit tank (10) that at least one is communicated with described second under meter (8).

2, sewage separation equipment according to claim 1, it is characterized in that, described reactor (5) comprising: casing (16), be located at the electrode plate assembly (17) of being separated by and installing at this casing middle part, be located at the wastewater inlet pipe (18) that is communicated with described first flow meter (3) of casing bottom, be located at the mixing water rising pipe (19) that is communicated with described flocculation groove (7) of casing bottom, be located at the first recirculation water rising pipe (20) that is communicated with described circulation groove (2) at casing middle part, also laterally be provided with an overflow plate (22) in the described casing (16), in this overflow plate one side cavity described electrode plate groups (17) has been installed, be provided with the upflow tube (23) that is communicated with described static organ (6) and inlet flume (1) in the cavity of overflow plate opposite side, described reactor (5) also is connected with electric control gear (14), and the bottom of described reactor (5) also is provided with sewage draining exit (21).

3, sewage separation equipment according to claim 2, it is characterized in that described sedimentary deposit tank comprises: first sedimentary deposit tank (10) that is communicated with described second under meter (8), second sedimentary deposit tank (11) that is communicated with this first sedimentary deposit tank, the sludge sump (12) that has filter bag (25) that is communicated with described first, second sedimentary deposit tank (10,11) bottom.

4, sewage separation equipment according to claim 3, it is characterized in that, described first sedimentary deposit tank (10) comprising: top has the tank body (27) of clear water rising pipe (26), be connected in the first mud bucket (28) and the second mud bucket (29) on this tank body inner round wall face, vertically pass the first mud bucket (28) middle part and be positioned at aqueduct (30) above the second mud bucket (29), be located at the first mud bucket (28) bottom and with the sludge water cyclone separator (31) of aqueduct (30) conducting, be provided with sludge water outlet (44) along this separator tangent to periphery direction, also comprise radial several showers (32) of being located at described aqueduct (30) top, be located at first blow-off pipe (33) that described tank body (27) middle and lower part is communicated with first mud bucket (28) cavity, be located at second blow-off pipe (34) of second mud bucket (29) inner face bottom, be located at described second under meter of connection (8) of tank body (27) bottom and the mixing water water inlet pipe (35) of aqueduct (30), be located at the rising pipe (36) of cavity between the connection first mud bucket (28) at tank body (27) middle part and the second mud bucket (29).

5, sewage separation equipment according to claim 4, it is characterized in that, described second sedimentary deposit tank (11) comprising: housing (38), be connected in the intravital top of this shell, unsettled and the interior bucket (37) opened in bottom, be located at the 3rd mud bucket (39) of housing (38) bottom, be located at the sewage water inlet pipe that is communicated with described rising pipe (36) (40) between this mud bucket and interior bucket (37) bottom, be located at the secondary water water inlet pipe (41) of cavity between the described rising pipe of connection (36) on housing (38) top and housing (38) and the interior bucket (37), be located at the connection on housing top described in the secondary clear water rising pipe (42) of bucket (37) inner chamber, be located at the 3rd blow-off pipe (43) of the 3rd mud bucket (39) inner face bottom.

6, sewage separation equipment according to claim 5, it is characterized in that described electric control gear (14) comprising: two cowling panels (A1, A2), the direct-current circuit that is connected this cowling panel and reactor (5) battery lead plate that is electrically connected with the city, be located at change poles contactor (KA2) between described cowling panel (A1, A2) and reactor (5) battery lead plate, be serially connected in the current detecting device (A3) in the direct-current circuit and be attempted by voltage detection device (A4) in the direct-current circuit; Also comprise and two analog quantity converters (REF1, REF2) of the corresponding connection of cowling panel (A1, A2), the analog quantity input/output module (A5) that is connected with measuring error function device, the programmable logic controller (PLC) that is connected with the analog quantity input/output module; Also promising described analog quantity converter (REF1, REF2), analog quantity input/output module (A5), programmable logic controller (PLC) provide the regulator rectifier circuit of direct supply.