CN209567948U - A kind of decrement processing apparatus of sewage plant sludge - Google Patents

Abstract

The utility model discloses a kind of decrement processing apparatus of sewage plant sludge, including anaerobic reation pool, the top of the left-hand face of the anaerobic reation pool is provided with sewage and flows into pipe, the top of the right lateral surface of the anaerobic reation pool is provided with overflow pipe, the right end of the overflow pipe is connected with sedimentation basin, the bottom of the sedimentation basin is provided with mud return line, the middle part of the mud return line is by being welded and connected with sludge out pipe, the mud return line is connected with the first liquid pump far from one end of sedimentation basin, the output end of first liquid pump is connected with aerobic reaction tank by the first connecting tube, the bottom of the aerobic reaction tank is provided with the second connecting tube, second connecting tube is connected with the second liquid pump far from one end of aerobic reaction tank, the output end of second liquid pump is connected with anaerobic reation pool by third connecting tube.The utility model is by accelerating the rate of sludge settling, to improve the rate of effect and decrement treatment that the present apparatus handles mud decrement.

Description

A kind of decrement processing apparatus of sewage plant sludge

Technical field

The utility model relates to the decrement treatment technical field of sludge, the decrement treatment of specially a kind of sewage plant sludge is filled It sets.

Background technique

Currently, can be generated in many urban biology sewage treatment plants, while purifying the sewage a large amount of remaining raw Object sludge.The processing and disposition of remaining biological sludge have become a troubling problem in sewage treatment plant's operation.Biology Sludge Reduction Technologies are a kind of effective means for reducing sludge yield from source at present.In reducing biological sludge technology, detest Oxygen-precipitating-aerobic process is in sewage disposal process while to realize a kind of new process of sludge reduction, and its essence is by passing Aeration tank and sedimentation basin and a sludge anaerobic pond being inserted into therebetween composition in system activated sludge process, sedimentation basin The sludge extraction of bottom enters in anaerobic pond, under anaerobic reaction a period of time, then mixes the muddy water in anaerobic pond Liquid fills into aeration tank, realizes the aerobic circulation of anaerobism-precipitating-.

In existing device of sludge, sludge settling rate in sedimentation basin is slower, reduces the effect to mud decrement processing The rate of fruit and decrement treatment.

Utility model content

The purpose of this utility model is to provide a kind of decrement processing apparatus of sewage plant sludge, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of decrement treatment dress of sewage plant sludge It sets, including anaerobic reation pool, the top of the left-hand face of the anaerobic reation pool is provided with sewage and flows into pipe, the anaerobic reaction The bottom of the inside in pond is provided with the first aeration tube, and first aeration tube is connected with air pump, the gas by the first appendix The bottom of pump is provided with the first mounting base, and the top of the right lateral surface of the anaerobic reation pool is provided with overflow pipe, the overflow The right end of pipe is connected with sedimentation basin, and the inside of the sedimentation basin is equipped with filter, resistance mud is provided with below the filter The middle part of plate, the top surface of the sedimentation basin is equipped with driving motor, the output end setting of the driving motor by bolt There is shaft, the left and right sides that the shaft is located at the shaft below filter is welded with stirring rod, the bottom of the sedimentation basin It is provided with mud return line, the mud return line is equipped with third control valve door close to one end of sedimentation basin, and the sludge returns The middle part of flow tube is equipped with the first control valve, the mud return line by being welded and connected with sludge out pipe on the sludge out pipe One end far from sedimentation basin is connected with the first liquid pump, and the bottom of first liquid pump is provided with the second mounting base, first liquid The output end of pump is connected with aerobic reaction tank by the first connecting tube, and the aerobic reaction tank is internally provided with the second aeration Pipe, second aeration tube are connected with the first appendix by the second appendix, and the bottom of the aerobic reaction tank is provided with the Two connecting tubes, are equipped with the second control valve in second connecting tube, second connecting tube far from aerobic reaction tank one End is connected with the second liquid pump, and the bottom of second liquid pump is provided with third mounting base, and the output end of second liquid pump passes through Third connecting tube is connected with anaerobic reation pool.

Preferably, the overflow pipe protrudes into the inside of sedimentation basin far from one end of anaerobic reation pool, and overflow pipe is separate One end port of anaerobic reation pool is located at the lower section of filter.

Preferably, the bottom of the sedimentation basin is set as dome-type, and the top of the right lateral surface of the sedimentation basin is provided with Outlet pipe, the position of the outlet pipe are higher than the installation site of filter, and the filter is set as stainless steel filter, and mistake The surface of filter disc is coated with one layer of zinc.

Preferably, be connected by welding and connect between second appendix and the first appendix, second appendix with It is connected between first appendix, electric control valve is installed on second appendix.

Preferably, the third connecting tube is located at the bottom of anaerobic reation pool far from one end of the second liquid pump.

Preferably, the mud retaining plate is set as funnel type, and the bottom port of the mud retaining plate is located at the underface of shaft.

Compared with prior art, the utility model has the beneficial effects that

1. the utility model is passed through by being provided with driving motor, stirring rod and mud retaining plate, driving motor in sedimentation basin Shaft drives stirring rod rotation, so that the sewage in sedimentation basin forms whirlpool, so that the sludge in sewage concentrates whirlpool, thus heavy Form sediment in the bottom of sedimentation basin, accelerate the rate of sludge settling, thus improve effect that the present apparatus handle mud decrement with The rate of decrement treatment, mud retaining plate are set as funnel type, can effectively prevent the rising of sedimentation basin base sludge, improve precipitating Effect；

2. the utility model is provided with water outlet by being provided with filter in sedimentation basin, in the right upper portion of sedimentation basin Pipe, and the position of outlet pipe is higher than the installation site of filter enables clear water in sedimentation basin after precipitating into crossing filter mistake It is flowed out again by outlet pipe after filter, reduces the impurity contained in the clear water flowed out by outlet pipe.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the anaerobic reation pool schematic diagram of internal structure of the utility model.

Fig. 3 is the sedimentation basin schematic diagram of internal structure of the utility model.

Fig. 4 is the aerobic reaction tank schematic diagram of internal structure of the utility model.

In figure: 1, anaerobic reation pool, 2, sewage flow into pipe, the 3, first appendix, 4, air pump, the 5, first mounting base, 6, overflow Flow tube, 7, driving motor, 8, sedimentation basin, 9, outlet pipe, 10, sludge out pipe, the 11, first control valve, 12, mud return line, 13, Second mounting base, the 14, first liquid pump, the 15, first connecting tube, 16, aerobic reaction tank, the 17, second appendix, the 18, second connection Pipe, the 19, second liquid pump, 20, third mounting base, the 21, second control valve, 22, third connecting tube, the 23, first aeration tube, 24, Shaft, 25, filter, 26, stirring rod, 27, mud retaining plate, 28, third control valve door, the 29, second aeration tube.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of decrement processing apparatus of sewage plant sludge, Including anaerobic reation pool 1, the top of the left-hand face of anaerobic reation pool 1 be provided with sewage flow into pipe 2, anaerobic reation pool 1 it is interior The bottom in portion is provided with the first aeration tube 23, and the first aeration tube 23 is connected with air pump 4, the bottom of air pump 4 by the first appendix 3 It is provided with the first mounting base 5, the top of the right lateral surface of anaerobic reation pool 1 is provided with overflow pipe 6, the right end connection of overflow pipe 6 There is sedimentation basin 8, overflow pipe 6 protrudes into the inside of sedimentation basin 8 far from one end of anaerobic reation pool 1, and the separate anaerobism of overflow pipe 6 is anti- It answers one end port in pond 1 to be located at the lower section of filter 25, prevents sewage from flowing out from outlet pipe 9, the bottom of sedimentation basin 8 is set as half Ball-type, the top of the right lateral surface of sedimentation basin 8 are provided with outlet pipe 9, and the position of outlet pipe 9 is higher than the installation position of filter 25 It sets, is discharged convenient for going out water pipe 9 through the filtered clear water of filter 25, filter 25 is set as stainless steel filter, and filters The surface of piece 25 is coated with one layer of zinc, improves the corrosion resistant erosion degree of filter 25, increases the service life of filter 25, sedimentation basin 8 inside is equipped with filter 25, and the lower section of filter 25 is provided with mud retaining plate 27, and mud retaining plate 27 is set as funnel type, hinders mud The bottom port of plate 27 is located at the underface of shaft 24, facilitates the sludge settling in sedimentation basin 8 to the bottom of sedimentation basin 8, and Prevent the sludge of 8 bottom of sedimentation basin from rising, the middle part of the top surface of sedimentation basin 8 is equipped with driving motor 7 by bolt, driving The output end of motor 7 is provided with shaft 24, and the left and right sides that shaft 24 is located at the shaft of 25 lower section of filter is welded with stirring Bar 26, the bottom of sedimentation basin 8 are provided with mud return line 12, and mud return line 12 is equipped with third close to one end of sedimentation basin 8 Control valve 28, the middle part of mud return line 12 are equipped with the first control by being welded and connected with sludge out pipe 10 on sludge out pipe 10 Valve 11, mud return line 12 are connected with the first liquid pump 14 far from one end of sedimentation basin 8, and the bottom of the first liquid pump 14 is provided with The output end of two mounting bases 13, the first liquid pump 14 is connected with aerobic reaction tank 16, aerobic reaction tank 16 by the first connecting tube 15 Be internally provided with the second aeration tube 29, the second aeration tube 29 is connected with the first appendix 3 by the second appendix 17, and second is defeated It is connected by welding and connects between tracheae 17 and the first appendix 3, be connected between the second appendix 17 and the first appendix 3, just It is blown by the first appendix 3 and the second appendix 17 to the second aeration tube 29 in air pump 4, electricity is installed on the second appendix 17 Valve is controlled, facilitates aeration work, convenient for being aerated in aerobic reaction tank 16, the bottom of aerobic reaction tank 16 is provided with according to demand Second connecting tube 18 is equipped with the second control valve 21 in second connecting tube 18, and the second connecting tube 18 is far from aerobic reaction tank 16 One end be connected with the second liquid pump 19, the bottom of the second liquid pump 19 is provided with third mounting base 20, the output end of the second liquid pump 19 Anaerobic reation pool 1 is connected with by third connecting tube 22, and it is anti-that third connecting tube 22 far from one end of the second liquid pump 19 is located at anaerobism The bottom in pond 1 is answered, it is anti-by the input of third connecting tube 22 anaerobism to extract the sewage in aerobic reaction tank 16 convenient for the second liquid pump 19 Answer the inside in pond 1.

Working principle: when the utility model is used, needing to carry out the utility model simple structure understanding, sewage is logical It crosses sewage inflow pipe 2 to enter in anaerobic reation pool 1, be flowed into sedimentation basin 8 after being reacted in anaerobic reation pool 1 by overflow pipe 6, The work of driving motor 7 drives stirring rod 26 to rotate by the rotation of shaft 24, and the sewage in sedimentation basin 8 is driven to rotate to form whirlpool, So that the sludge in sewage concentrates on whirlpool bottom, to be deposited in the bottom of sedimentation basin 8, the clear water after precipitating is through 25 mistake of filter It is discharged after filter by outlet pipe 9, opens third control valve door 28 and the first liquid pump 14, the first liquid pump 14 passes through mud return line 12 The sewage sludge of 8 bottom of sedimentation basin is extracted, then is inputted in aerobic reaction tank 16 by the first connecting tube 15, in aerobic reaction tank 16 After interior reaction a period of time, the second control valve 21 and the second liquid pump 19 are opened, the second liquid pump 19 is taken out by the second connecting tube 18 The sewage in aerobic reaction tank 16 is taken, is inputted in anaerobic reation pool 1 by third connecting tube 22, it is aerobic to form anaerobism-precipitating- Circulation, can effectively to sludge carry out decrement treatment.

Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It is obvious to a person skilled in the art that the utility model is not limited to the thin of above-mentioned exemplary embodiment Section, and without departing substantially from the spirit or essential attributes of the utility model, this can be realized in other specific forms Utility model.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this The range of utility model is indicated by the appended claims rather than the foregoing description, it is intended that equally wanting for claim will be fallen in All changes in the meaning and scope of part are embraced therein.Any appended drawing reference in claim should not be regarded To limit the claims involved.

Claims (6)

1. a kind of decrement processing apparatus of sewage plant sludge, including anaerobic reation pool (1), it is characterised in that: the anaerobic reaction The top of the left-hand face in pond (1) is provided with sewage and flows into pipe (2), and the bottom of the inside of the anaerobic reation pool (1) is provided with First aeration tube (23), first aeration tube (23) are connected with air pump (4) by the first appendix (3), the air pump (4) Bottom is provided with the first mounting base (5), and the top of the right lateral surface of the anaerobic reation pool (1) is provided with overflow pipe (6), described The right end of overflow pipe (6) is connected with sedimentation basin (8), and the inside of the sedimentation basin (8) is equipped with filter (25), the filter (25) it is provided with below mud retaining plate (27), the middle part of the top surface of the sedimentation basin (8) is equipped with driving electricity by bolt The output end of machine (7), the driving motor (7) is provided with shaft (24), and the shaft (24) is located at below filter (25) The left and right sides of shaft is welded with stirring rod (26), and the bottom of the sedimentation basin (8) is provided with mud return line (12), described Mud return line (12) is equipped with third control valve door (28) close to the one end of sedimentation basin (8), the mud return line (12) Middle part is equipped with the first control valve (11), the sludge on the sludge out pipe (10) by being welded and connected with sludge out pipe (10) Return pipe (12) is connected with the first liquid pump (14) far from the one end of sedimentation basin (8), and the bottom of first liquid pump (14) is provided with The output end of second mounting base (13), first liquid pump (14) is connected with aerobic reaction tank by the first connecting tube (15) (16), the aerobic reaction tank (16) is internally provided with the second aeration tube (29), and second aeration tube (29) passes through second Appendix (17) is connected with the first appendix (3), and the bottom of the aerobic reaction tank (16) is provided with the second connecting tube (18), institute It states and is equipped on the second connecting tube (18) the second control valve (21), second connecting tube (18) is far from aerobic reaction tank (16) One end be connected with the second liquid pump (19), the bottom of second liquid pump (19) is provided with third mounting base (20), described second The output end of liquid pump (19) is connected with anaerobic reation pool (1) by third connecting tube (22).

2. a kind of decrement processing apparatus of sewage plant sludge according to claim 1, it is characterised in that: the overflow pipe (6) inside of sedimentation basin (8), and the separate anaerobic reation pool (1) of overflow pipe (6) are protruded into one end far from anaerobic reation pool (1) One end port be located at the lower section of filter (25).

3. a kind of decrement processing apparatus of sewage plant sludge according to claim 1, it is characterised in that: the sedimentation basin (8) bottom is set as dome-type, and the top of the right lateral surface of the sedimentation basin (8) is provided with outlet pipe (9), the outlet pipe (9) position is higher than the installation site of filter (25), and the filter (25) is set as stainless steel filter, and filter (25) surface is coated with one layer of zinc.

4. a kind of decrement processing apparatus of sewage plant sludge according to claim 1, it is characterised in that: second gas transmission It is connected by welding and connects between pipe (17) and the first appendix (3), between second appendix (17) and the first appendix (3) It is connected, electric control valve is installed on second appendix (17).

5. a kind of decrement processing apparatus of sewage plant sludge according to claim 1, it is characterised in that: the third connection Pipe (22) is located at the bottom of anaerobic reation pool (1) far from the one end of the second liquid pump (19).

6. a kind of decrement processing apparatus of sewage plant sludge according to claim 1, it is characterised in that: the mud retaining plate (27) it is set as funnel type, the bottom port of the mud retaining plate (27) is located at the underface of shaft (24).