CN108947000A - A kind of town sewage treatment system of energy-saving and emission-reduction - Google Patents

Abstract

The invention discloses a kind of town sewage treatment systems of energy-saving and emission-reduction, its drip irrigation device includes sequentially connected filtering ponds, chemical precipitation pond, sterilization pool and reservoir, left storage area is equipped in filtering ponds from left to right, left filtering area, right filtering area and right storage area, water inlet pipe is connected in filtering ponds, the switching mechanism for the water of water inlet pipe to be imported to left filtering area or right filtering area is equipped in filtering ponds, the first filter device and the first decontamination apparatus for clearing up it are equipped in left filtering area, the second filter device and the second decontamination apparatus for clearing up it are equipped in right filtering area, it is equipped in filtering ponds for water filtered in left filtering ponds to be imported to the first guiding mechanism of left storage area and is used to import in the filtered water in right filtering ponds the second guiding mechanism of right storage area, left storage area and right storage area and chemistry are heavy The connection of shallow lake pond.When the present invention has cleaning filter device, sewage can be filtered simultaneously, improve the efficiency of sewage purification.

Description

A kind of town sewage treatment system of energy-saving and emission-reduction

Technical field

The present invention relates to sewage treatment fields, and more specifically it is related to a kind of urban wastewater treatment system of energy-saving and emission-reduction System.

Background technique

China is scarcity of fresh water resources and the country being unevenly distributed, and some urban water shortages are extremely serious, in water conservation It also needs to carry out sewage and waste water cycling and reutilization simultaneously to make up the missing of water resource.

Sewage would generally be filtered by filter device in traditional sewage disposal process, so that some in sewage Impurity is come out by the filter screen filtration in filter device, plays the purpose of purification sewage.But it is long-term during on filter screen The impurity of accumulation is more and more to block the mesh of filter screen, so that sewage is reduced by the efficiency of filter screen, reduced mistake Filtering velocity degree, and while clearing up filter device, needs to suspend the filtering of sewage, reduces the purification efficiency of sewage.

Summary of the invention

In view of the deficienciess of the prior art, the invention reside in a kind of town sewage treatment system of energy-saving and emission-reduction is provided, When with cleaning filter device, sewage can be filtered simultaneously, improve the efficiency of sewage purification.

To achieve the above object, the present invention provides the following technical scheme that a kind of urban wastewater treatment system of energy-saving and emission-reduction It unites, including sequentially connected filtering ponds, chemical precipitation pond, sterilization pool and reservoir, is equipped with a left side in the filtering ponds from left to right Storage area, left filtering area, right filtering area and right storage area are connected with water inlet pipe in the filtering ponds, are equipped in the filtering ponds For the water of water inlet pipe to be imported to the switching mechanism of left filtering area or right filtering area, the first filtering dress is equipped in the left filtering area It sets and the first decontamination apparatus for clearing up the first filter device, the right filtering area is interior equipped with the second filter device and for clear The second decontamination apparatus of the second filter device is managed, is equipped in the filtering ponds left for importing water filtered in left filtering ponds First guiding mechanism of storage area and the second guiding mechanism for the filtered water in right filtering ponds to be imported to right storage area, The left storage area and right storage area are connect by pipeline with chemical precipitation pond.

By using above-mentioned technical proposal, when needing to clear up the first filter device, water flows into right mistake by switching mechanism It is filtered in filter area and by the second filter device, filtered water is flowed into right storage area by the second guiding mechanism, so It flows into chemical precipitation pond, the first filter device can be cleaned by the first decontamination apparatus at this time afterwards；Needing to clear up When two filter devices, changed the direction of a stream of water by switching mechanism so that water flow into left filtering area by the first filter device into Row filtering, then imported filtered water in left storage area by guiding mechanism, the second filter device can be filtered at this time. In conclusion when individually clearing up the first filter device and the second filter device, without stopping the filtering of water, to make Obtain the more efficient of water filtering.

The present invention is further arranged to: being fixed with left clapboard, middle partition and right clapboard, institute in the filtering ponds from left to right Left storage area, left filtering area, right filtering area and right storage area is stated to be divided by left clapboard, middle partition and right clapboard；The water inlet pipe Positioned at left filtering area top and be fixed on the rear wall of filtering ponds, the switching mechanism include left and right ends respectively with a left side every The switch boards of plate and right clapboard rotation connection, the switch boards drive its rotation, institute by the switch motor being fixed on left clapboard It states switch boards to tilt obliquely from left to right, the switch boards are equipped with switching port, and the switching port is located at the upper of right filtering area Side.

By using above-mentioned technical proposal, when needing to feed the water into left filtering area, switch boards are rotated by switch motor Keep it parallel with the front-rear side walls of filtering ponds, water inlet pipe flows into filtering ponds directly by switch boards and filtering ponds rear wall at this time Between gap flow into left filtering area.

When needing to feed the water into right filtering area, rotating switch boards by switch motor makes its front-rear side walls with filtering ponds Vertically, the water that water inlet pipe flows into filtering ponds at this time can flow in switch boards, and pass through switching port along the inclined direction of switch boards It flows into right filtering area, to realize the control to water (flow) direction.

The present invention is further arranged to: the switch boards are equipped with the drainage trough that is connected to switching port, the drainage trough from Left-to-right extends, when switch boards are turned to it is vertical with the front-rear side walls of filtering ponds when, the water inlet of the water inlet pipe is located at drainage The surface of slot.

By using above-mentioned technical proposal, when needing water being oriented to right filtering area, rotation switch boards make it perpendicular to mistake The front-rear side walls in filter tank, the water inlet of water inlet pipe is located at the surface of drainage trough at this time, so that the water that water inlet pipe flows into directly is fallen Enter in drainage trough, and flowed into switching port by drainage trough, so that water flow concentration is not easy to spread in switch boards, enables sewage Enough switching port is more quickly move through to enter in right filtering area.

The present invention is further arranged to: first filter device is identical as the second filter apparatus configuration and about middle partition Symmetrically, first filter device includes the installing frame being rotatably connected between left clapboard and middle partition, and the installing frame is by solid The driving motor being scheduled on left clapboard drives its rotation, and the middle part of the installing frame is equipped with installing port, fixes in the installing port There is filter screen；First guiding mechanism and the second guiding mechanism structure are identical and symmetrical about middle partition, on the left clapboard Equipped with transmission mouth, first guiding mechanism includes being threaded through the guide plate transmitted in mouth, before the guide plate and filtering ponds Rear wall is slidably connected, and partition is inclined obliquely to the left by middle partition for the guide plate, is equipped with and is used in the left storage area The sliding part that driving guide plate is slided along its inclined direction；First decontamination apparatus is located at the lower section of the first guiding mechanism, institute State the lower section that the second decontamination apparatus crosses guiding mechanism positioned at second.

By using above-mentioned technical proposal, when clearing up the filter screen of the first filter device, first by the first guiding mechanism In the left storage area of guide plate retraction, frame is then rotatablely installed by driving motor, so that filter screen overturns 180 degree, so that filtering Online sundries can fall under gravity, improve the cleaning effect to filter screen, then pass through the first decontamination dress It sets and the filter screen on the first filter device is cleared up.Clear up the first mistake of method and cleaning of the filter screen of the second filter device The method for filtering the filter screen of device is identical.

The present invention is further arranged to: first decontamination apparatus and the second decontamination apparatus structure are identical and about middle partition Symmetrically, first decontamination apparatus includes the exhaust tube for being fixed on left filtering area bottom, and the lower end of exhaust tube is fixed with aspiration pump.

By using above-mentioned technical proposal, when clearing up the first filter device or the second filter device, need to only open corresponding Aspiration pump the sundries on filter screen corresponding on the first filter device or the second filter device can be passed through corresponding pumping Pipe extraction.

The present invention is further arranged to: the front and rear sides of the installing frame are fixed with rubber pad.

By using above-mentioned technical proposal, when installing frame is parallel with filtering bottom of pond portion, two rubber pads are connected to respectively On the front and back inner wall of filtering ponds, so that the gap between installing frame and filtering ponds front-rear side walls is smaller, so that sewage not easily passs through Gap between installing frame and filtering ponds front-rear side walls flows downward, so that the sewage by filtering is more.

The present invention is further arranged to: the upper end of the installing port is equipped with chamfering.

By using above-mentioned technical proposal, sewage can rapidly flow toward filter screen under the guiding role of chamfering, so that dirty The rate of filtration of water is accelerated.

The present invention is further arranged to: the sliding part is two adjustings being separately fixed on the inner wall of left storage area front and back Cylinder, the piston rod for adjusting cylinder are connect with guide plate.

By using above-mentioned technical proposal, each guide plate, which passes through two adjusting cylinders, to be pushed, so that guide plate Front and back uniform force.

The present invention is further arranged to: the guide plate is fixed with shutter close to one end of middle partition, when shutter moves When moving to transmission mouth, the shutter and guide plate will transmit mouth masking.

By using above-mentioned technical proposal, when shutter is moved in transmission mouth, the shutter and guide plate will be passed Outlet masking, so that people are when clearing up the first filter device and the second filter device, the rubbish cleaned out will not pass through correspondence Transmission mouth fall into left storage area or right storage area so that filtered water will not be secondarily contaminated.

The present invention is further arranged to: being connected with flocculant feeding mechanism, describedization on the side wall in the chemical precipitation pond It learns and is connected with dredge pump below sedimentation basin, be fixed with mounting plate on the right side wall in the chemical precipitation pond, on the mounting plate It is equipped with delivery pipe, in the sewage of one end insertion chemistry sedimentation basin of the delivery pipe and is fixed with kickboard, the delivery pipe is another One end is connected with connection pump, and the other end for connecting pump is connect with sterilization pool.

By using above-mentioned technical proposal, flocculant, flocculant are conveyed to chemical precipitation pond by flocculant feeding mechanism Flocculent deposit is reacted and is formed with the impurity in the sewage for flowing into chemical precipitation pond, flocculent deposit moves down simultaneously under gravity It is discharged by dredge pump, the clear liquid on chemical precipitation pond upper layer can be extracted out and is sent into sterilization pool by connection pump.Kickboard enables to The depth that delivery pipe is inserted into sewage keeps inconvenient, convenient for extracting supernatant liquor, prevents delivery pipe from protruding into chemical precipitation pond bottom of pond Flocculent deposit is sucked out.

In conclusion the invention has the following advantages:

The water energy flowed into filtering ponds by water inlet pipe is enough to be inputted in left filtering area or right filtering area under the action of switch boards, is made People are obtained when clearing up the first filter device, water energy enough passes through the second filter device and is filtered, and similarly filters in cleaning second When device, water energy enough passes through the first filter device and is filtered, so that people are clearing up the first filter device or the second filtering dress When setting, sewage still is able to be filtered, and improves the rate of filtration.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the present embodiment；

Fig. 2 is the schematic diagram for highlighting filtering ponds internal structure in the present embodiment；

Fig. 3 is the structural schematic diagram of installing frame in the present embodiment；

Fig. 4 is the structural schematic diagram for highlighting chemical precipitation pond and sterilization pool connection relationship in the present embodiment.

Appended drawing reference: 1, filtering ponds；2, chemical precipitation pond；3, sterilization pool；4, reservoir；5, left clapboard；6, middle partition；7, Right clapboard；8, mouth is transmitted；9, water inlet pipe；11, left storage area；12, left filtering area；13, right filtering area；14, right storage area；15, First filter device；16, the second filter device；17, the first guiding mechanism；18, the second guiding mechanism；19, switching mechanism；121, First decontamination apparatus；122, exhaust tube；123, aspiration pump；131, the second decontamination apparatus；151, installing frame；152, driving motor； 153, installing port；154, filter screen；155, chamfering；156, rubber pad；171, guide plate；172, cylinder is adjusted；173, shutter； 191, switch boards；192, switch motor；193, switching port；194, drainage trough；21, flocculant feeding mechanism；22, dredge pump；23, Mounting plate；24, delivery pipe；25, kickboard；26, connection pump；31, ozone generating-device；32, water outlet pump.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

Present embodiment discloses a kind of town sewage treatment systems of energy-saving and emission-reduction, as shown in Figure 1, including sequentially connected Filtering ponds 1, chemical precipitation pond 2, sterilization pool 3 and reservoir 4, sewage successively pass through filtering ponds 1, chemical precipitation pond 2, sterilization pool 3 With reservoir 4.

As shown in Figure 1 and Figure 2, bottom is successively fixed with left clapboard 5, middle partition 6 and right clapboard from left to right in filtering ponds 1 7, filtering ponds 1 are successively divided into left storage area 11, left filtering area 12,13 and of right filtering area by left clapboard 5, middle partition 6 and right clapboard 7 Right storage area 14 is respectively equipped with the first filter device 15 and the second filter device 16 in left filtering area 12 and right filtering area 13, First filter device 15 is identical as the structure of the second filter device 16 and symmetrical about middle partition 6.

As shown in Figure 2 and Figure 3, the first filter device 15 includes the installing frame 151 in left filtering area 12, installing frame 151 The left and right sides be rotatably connected on left clapboard 5 and middle partition 6 respectively, fixed in the side of left clapboard 5 towards left storage area 11 Have for driving installing frame 151 along shaft rotational drive motor 152.

As shown in Figure 2 and Figure 3, the middle part of installing frame 151 is equipped with installing port 153, is fixed with filter screen in installing port 153 154, rubber pad 156 is fixed in the front and rear sides of installing frame 151.When installing frame 151 is parallel with 1 bottom of filtering ponds, two Rubber pad 156 is connected to respectively on the front and back inner wall of filtering ponds 1, so that the seam between 1 front-rear side walls of installing frame 151 and filtering ponds Gap is smaller, so that the gap that sewage not easily passs through between 1 front-rear side walls of installing frame 151 and filtering ponds flows downward, so that by The sewage of filtering is more.

As shown in Figure 2 and Figure 3, the upper end of installing port 153 is equipped with chamfering 155, and sewage can be in the guiding role of chamfering 155 Under rapidly flow toward filter screen 154 so that the rate of filtration of sewage is accelerated.

As shown in Figure 2 and Figure 3, the first Guiding machine is respectively arranged below in the first filter device 15 and the second filter device 16 Structure 17 and the second guiding mechanism 18, the first guiding mechanism 17 and the second guiding mechanism 18, structure are identical and right about middle partition 6 Claim.

As shown in Figure 2 and Figure 3, transmission mouth 8 is equipped on left clapboard 5, the first guiding mechanism 17 includes being threaded through transmission mouth 8 Interior guide plate 171, guide plate 171 and the front-rear side walls of filtering ponds 1 are slidably connected, and guide plate 171 is from middle partition 6 to left clapboard 5 is inclined obliquely, sets in the lower section of guide plate 171 there are two being separately fixed at and the adjusting gas on 1 front-rear side walls of filtering ponds Cylinder 172, the piston rod for adjusting cylinder 172 is connect with the lower end of guide plate 171 enables adjusting cylinder 172 to push guide plate 171 slide along its inclined direction.

As shown in Figure 2 and Figure 3, water inlet pipe 9 is located at the top of left filtering ponds 1, is equipped with and cuts in the top of the first filter device 15 It changes planes structure 19, switching cylinder includes the switch boards 191 that left and right ends are rotatablely connected with left clapboard 5 and right clapboard 7 respectively, switch boards 191 drive its rotation by the switch motor 192 being fixed on left clapboard 5, and switch boards 191 are tilted obliquely from left to right, cut Plate 191 is changed equipped with switching port 193, switching port 193 is located at the top of right filtering area 13.The middle part of switch boards 191 be equipped with The drainage trough 194 that switching port 193 is connected to, drainage trough 194 extends from left to right, when switch boards 191 are perpendicular to the front and back of filtering ponds 1 When side wall, the water inlet of water inlet pipe 9 is located at the surface of drainage trough 194.

As shown in Figure 2 and Figure 3, the first decontamination apparatus 121 and second is equipped in the bottom of left filtering area 12 and right filtering area 13 Decontamination apparatus 131, the first decontamination apparatus 121 are identical with 131 structure of the second decontamination apparatus and symmetrical about middle partition 6.First removes Dirty device 121 includes the exhaust tube 122 for being fixed on left 12 bottom of filtering area, and the lower end of exhaust tube 122 is fixed with aspiration pump 123. When needing to clear up the filter screen 154 on the first filter device 15, switch boards 191 are rotated by switch motor 192 and to switch Plate 191 is perpendicular to the front-rear side walls of filtering ponds 1, and sewage flows into drainage trough 194 and passes through switching port along guide plate 171 at this time 193 flow into right filtering areas 13, and the guide plate 171 on the second guiding mechanism 18 is connected on middle 6 plate of partition, so that by the The sewage of two filter devices 16 filtering is flowed into right storage area 14 by guide plate 171, so that sewage can continue by mistake It filters unaffected.

As shown in Figure 2 and Figure 3, after switch boards 191 are rotated perpendicular to the front-rear side walls of filtering ponds 1, by the first guiding mechanism 17 guide plate 171 is moved into left storage area 11 by corresponding adjusting cylinder 172；Then corresponding by the first filter device 15 Driving motor 152 filter screen 154 on first filter device 15 rotated into 180 degree enable impurity on filter screen 154 It is automatically fallen off by gravity, then plays aspiration pump 123 and extract impurity on filter screen 154 downwards out, so that filter screen 154 is cleared up Completely.

As shown in Figure 2 and Figure 3, when needing to clear up the filter screen 154 on the second filter device 16, pass through switch motor 192 Rotation switch boards 191 make switch boards 191 vertical with the front-rear side walls of filtering ponds 1, and sewage can flow directly into left filtering at this time In area 12, the filtering of sewage will not influence to the plot of the filter screen 154 on the second filter device 16 at this time.

As shown in Figure 2 and Figure 3, after the front-rear side walls that switch boards 191 are parallel to filtering ponds 1, by the second guiding mechanism 18 Guide plate 171 is moved into right storage area 14 by corresponding adjusting cylinder 172, then passes through the corresponding drive of the second filter device 16 Filter screen 154 on second filter device 16 is rotated 180 degree and the impurity on filter screen 154 is passed through by dynamic motor 152 Gravity is automatically fallen off, and then plays aspiration pump 123 and extract impurity on filter screen 154 downwards out, so that the cleaning of filter screen 154 is dry Only.

As shown in Figure 2 and Figure 3, it is fixed with shutter 173 close to one end of middle partition 6 in guide plate 171, in cleaning first When filter device 15, when the guide plate 171 of the first guiding mechanism 17 is fully located in left storage area 11,173 He of shutter at this time Guide plate 171 is covered mouth 8 is transmitted, so that cleaning 15 dust of the first filter device is not easy to fall into left storage area 11.Similarly exist When clearing up the second filter device 16, dust is not easy to fall into right storage area 14.

As shown in Figure 1 and Figure 2, left storage area 11 and right storage area 14 are sunk by pipeline with the chemistry for being located at 1 lower section of filtering ponds Shallow lake pond 2 connects, and is connected with flocculant feeding mechanism 21 on the side wall in chemical precipitation pond 2.

As Figure 1 and Figure 4, it is connected with dredge pump 22 in the lower section in chemical precipitation pond 2, the right side wall in chemical precipitation pond 2 On be fixedly connected with mounting plate 23, mounting plate 23 is equipped with delivery pipe 24, the dirt of one end insertion chemistry sedimentation basin 2 of delivery pipe 24 In water and it is fixed with kickboard 25,24 other end of delivery pipe is connected with connection pump 26, and the other end and sterilization pool 3 of connection pump 26 connect It connects.

As shown in Figure 2 and Figure 3, flowing into of flocculant is supplied into chemical precipitation pond 2 by flocculant feeding mechanism 21 The impurity learned in the sewage of sedimentation basin 2 reacts with flocculant and forms flocculent deposit.Flocculent deposit moves down under gravity And be discharged by dredge pump 22, the clear liquid extraction on upper layer in chemical precipitation pond 2 can be sent by sterilization pool 3 by connection pump 26 In, and since the depth that there is kickboard 25 buoyancy be inserted into delivery pipe 24 in sewage is centainly convenient for extracting supernatant liquor.

As Figure 1 and Figure 4, it is fixed with ozone generating-device 31 in sterilization pool 3, is connected with out on the side wall of sterilization pool 3 The other end of water pump 32, water outlet pump 32 is connect with reservoir 4, and treated water flows into sterilization pool 3 in chemical precipitation pond 2, It is sent into reservoir 4 and is stored by water outlet pump 32 after ozone sterilization is handled.

Specific scale removal process: when clearing up the filter screen 154 of the first filter device 15, rotation switch boards 191 to switch Plate 191 is perpendicular to the front-rear side walls of filtering ponds 1, and sewage is flowed into right storage area 14 by switching port 193 and is filtered at this time, together When the guide plate 171 of the first guiding mechanism 17 is shunk so that transmission 8 upright stone tablet guide plate 171 of mouth and shutter 173 cover, then will The installing frame 151 of first filter device 15 rotates 180 degree and is evacuated by the aspiration pump 123 of the first decontamination apparatus 121, from And the sundries accumulated on the first filter device 15 is cleaned；When clearing up the second filter device 16, rotation switch boards 191 make The front-rear side walls that switch boards 191 are parallel to filtering ponds 1 are obtained, sewage falls directly into left filtering area 12 and is filtered at this time, and the The method for cleaning of two filter devices 16 is identical as the method for cleaning of the first filter device 15.

In conclusion people are when clearing up the first filter device 15 or the second filter device 16, sewage water filtration still is able to It is normally carried out, so that sewage water filtration is more efficient.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all in design structure of the invention Within think of, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of town sewage treatment system of energy-saving and emission-reduction, including sequentially connected filtering ponds (1), chemical precipitation pond (2), kill Bacterium pond (3) and reservoir (4), it is characterised in that: be equipped with left storage area (11), left filtering in the filtering ponds (1) from left to right Area (12), right filtering area (13) and right storage area (14) are connected with water inlet pipe (9), the filtering ponds in the filtering ponds (1) (1) switching mechanism (19) for the water of water inlet pipe (9) to be imported to left filtering area (12) or right filtering area (13) is equipped in, it is described The first decontamination apparatus in left filtering area (12) equipped with the first filter device (15) and for clearing up the first filter device (15) (121), the second filter device (16) are equipped in the right filtering area (13) and for clearing up the second of the second filter device (16) Decontamination apparatus (131), the filtering ponds (1) are interior to be equipped with for water filtered in left filtering ponds (1) to be imported left storage area (11) the first guiding mechanism (17) and for the filtered water in right filtering ponds (1) to be imported the second of right storage area (14) Guiding mechanism (18), the left storage area (11) and right storage area (14) are connect by pipeline with chemical precipitation pond (2).

2. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 1, it is characterised in that: the filtering ponds (1) it is fixed with left clapboard (5), middle partition (6) and right clapboard (7), the left storage area (11), left filtering area from left to right in (12), right filtering area (13) and right storage area (14) are divided by left clapboard (5), middle partition (6) and right clapboard (7)；The water inlet Pipe (9) is located at the top of left filtering area (12) and is fixed on the rear wall of filtering ponds (1), and the switching mechanism (19) includes a left side The switch boards (191) that right both ends are rotatablely connected with left clapboard (5) and right clapboard (7) respectively, the switch boards (191) are by being fixed on Switch motor (192) on left clapboard (5) drives its rotation, and the switch boards (191) tilt obliquely from left to right, described to cut Plate (191) are changed equipped with switching port (193), the switching port (193) is located at the top of right filtering area (13).

3. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 1, it is characterised in that: the switch boards (191) it is equipped with the drainage trough (194) being connected to switching port (193), the drainage trough (194) extends from left to right, works as switching When plate (191) turns to vertical with the front-rear side walls of filtering ponds (1), the water inlet of the water inlet pipe (9) is located at drainage trough (194) Surface.

4. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 2, it is characterised in that: first mistake Filter device (15) it is identical as the second filter device (16) structure and about middle partition (6) symmetrically, first filter device (15) Including the installing frame (151) being rotatably connected between left clapboard (5) and middle partition (6), the installing frame (151) is by being fixed on a left side Driving motor (152) on partition (5) drives its rotation, and the middle part of the installing frame (151) is equipped with installing port (153), described Filter screen (154) are fixed in installing port (153)；First guiding mechanism (17) is identical with the second guiding mechanism (18) structure And symmetrically about middle partition (6), the left clapboard (5) is equipped with transmission mouth (8), and first guiding mechanism (17) includes wearing Guide plate (171) in transmission mouth (8), the guide plate (171) and the front-rear side walls of filtering ponds (1) are slidably connected, described Guide plate (171) is tilted obliquely from middle partition (6) to left clapboard (5), is equipped in the left storage area (11) and is led for driving The sliding part slided to plate (171) along its inclined direction；First decontamination apparatus (121) is located at the first guiding mechanism (17) Lower section, second decontamination apparatus (131) are located at the second lower section for crossing guiding mechanism.

5. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 4, it is characterised in that: described first removes Dirty device (121) it is identical with the second decontamination apparatus (131) structure and about middle partition (6) symmetrically, first decontamination apparatus It (121) include the exhaust tube (122) for being fixed on left filtering area (12) bottom, the lower end of exhaust tube (122) is fixed with aspiration pump (123)。

6. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 4, it is characterised in that: the installing frame (151) front and rear sides are fixed with rubber pad (156).

7. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 6, it is characterised in that: the installing port (153) upper end is equipped with chamfering (155).

8. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 4, it is characterised in that: the sliding part The adjusting cylinder (172) being separately fixed on the inner wall of left storage area (11) front and back for two, the piston for adjusting cylinder (172) Bar is connect with guide plate (171).

9. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 4, it is characterised in that: the guide plate (171) shutter (173) are fixed with close to the one end of middle partition (6), when shutter (173) be moved to transmission mouth (8) it is interior when, institute Mouth (8) masking will be transmitted by stating shutter (173) and guide plate (171).

10. a kind of town sewage treatment system of energy-saving and emission-reduction according to claim 1, it is characterised in that: the chemistry It is connected on the side wall of sedimentation basin (2) flocculant feeding mechanism (21), is connected with dredge pump below the chemical precipitation pond (2) (22), it is fixed with mounting plate (23) on the right side wall of the chemical precipitation pond (2), is equipped with delivery pipe on the mounting plate (23) (24), in the sewage of one end insertion chemistry sedimentation basin (2) of the delivery pipe (24) and kickboard (25), the delivery pipe are fixed with (24) other end is connected with connection pump (26), and the other end of connection pump (26) is connect with sterilization pool (3).