CN207839177U

CN207839177U - A kind of carbon source retracting device of sand grains cleaning

Info

Publication number: CN207839177U
Application number: CN201721742604.9U
Authority: CN
Inventors: 李光辉; 刘军; 徐兰; 李媛; 张志航; 潘冠言
Original assignee: Guangdong Thousand Environment And Energy Conservation Technology Research Institute Co Ltd; Guangzhou National Institute Of Environment And Energy Conservation
Current assignee: Guangzhou Yuntai Electric Power Complete Equipment Co.,Ltd.
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2018-09-11
Anticipated expiration: 2027-12-12

Abstract

The utility model discloses a kind of carbon source retracting devices of sand grains cleaning, for technical field of sewage, including sand-washing device and collect conveying device, sand-washing device includes device body, and there is device body washed-out sand chamber and sand trap cavity, the cavity wall of washed-out sand chamber to be equipped with water outlet, the bottom of sand trap cavity is connect with collection conveying device into sand end, it collects conveying device and is equipped with water inlet, the end that shakes out is equipped with sand removing hole, and washed-out sand intracavitary is equipped with rabbling mechanism.In the utility model, sand grains puts into washed-out sand intracavitary, drives flow to clean sand grains by rabbling mechanism, the sand grains cleaned up is discharged by collection conveying device from sand removing hole, the sand grains content of organic matter after cleaning is low, sanitation and hygiene, can directly secondary recovery utilize；Sewage after cleaning is discharged from water outlet, and higher organic matter is contained in sewage, can be added in sewage disposal system as good carbon source, saves in sewage disposal process and adds carbon source cost, and is conducive to sewage disposal system denitrogenation dephosphorizing.

Description

A kind of carbon source retracting device of sand grains cleaning

Technical field

The utility model is used for technical field of sewage, more particularly to a kind of carbon source retracting device of sand grains cleaning.

Background technology

Due to sewage collecting, major part urban wastewater treatment firm water inlet in China's is asked there are carbon source is insufficient mostly Topic, many sewage plant BOD/TN are less than 4, and such as the urban wastewater treatment firm investigation of 56, Pearl River Delta, average BOD/TN is only 3.3, bright The aobvious BOD/TN less than needed for biological denitrificaion.If not improving water-inlet carbon source concentration, the stabilization that will certainly influence to be discharged TN, TP reaches Mark discharge.Therefore, sewage treatment plant's carbon source potentiality how are excavated, utilization of carbon source efficiency is improved, is the denitrogenation of enhanced sewage treatment plant The key of phosphor-removing effect.

In urban wastewater treatment firm, sewage will often pass through pretreatment before entering biochemistry pool, and sewage disinfection treatment includes thick The sand grains content of organic matter that the processes such as grid, fine fack, desanding, primary sedimentation tank, wherein desanding process remove is up to 5%, China city Town sewage treatment plant desanding amount is about ten thousand tons of sewage of 0.3m3/ (moisture content 60%, unit weight 1.5kg/L), measures less and concentrates, is convenient for Elution is handled.

Sand removing process mainly removes grain size in 0.2mm or more, the sand grains of density 2.65kg/L, currently, China's town sewage Treatment plant mainly uses three kinds of modes, these three processing modes such as aerated grit chamber, horizontal-flow grit chamber, rotational flow grit chamber although to have Certain sand grains cleaning function, but due to clearing up sand grains using sewage, cleaning performance is limited, and large amount of organic is adhered on sand grains, Keep the easy nigrescence of removing sand grains smelly, is unfavorable for sewage plant sanitation and hygiene；And the organic matter that sand grains is taken away is that sewage treatment plant is de- The valuable carbon source of nitrogen dephosphorization, especially for the low-carbon-source sewage treatment plant of China's generally existing, desanding process can lead to carbon source It is lost in, is unfavorable for denitrogenation dephosphorizing.

Utility model content

In order to enhance the cleaning performance of sand grains, the loss of carbon source in sewage disposal process is reduced, the utility model provides one Kind sand grains is clean, can reduce the carbon source retracting device that the sand grains of the loss of carbon source in sewage disposal process cleans.

Technical solution adopted by the utility model to solve its technical problems is：A kind of carbon source recycling dress of sand grains cleaning It sets, including sand-washing device and collection conveying device, the sand-washing device include device body, described device ontology has washed-out sand chamber With the sand trap cavity below the washed-out sand chamber, described device ontology is equipped with water outlet, the collection sand in the cavity wall of washed-out sand chamber Being connect into sand end for conveying device is collected in the bottom of chamber with described, and the collection conveying device is equipped with and can be noted into device body Enter the water inlet of ejected wash water, the end that shakes out for collecting conveying device is equipped with sand removing hole, and the washed-out sand intracavitary is equipped with rabbling mechanism.

It is further used as the improvement of technical solutions of the utility model, device body includes the washed-out sand bucket at top and is located at described The inner cavity of the Ji Shachi of washed-out sand bucket lower end, the washed-out sand bucket form washed-out sand chamber, and the inner cavity of Ji Shachi forms sand trap cavity.

It is further used as the improvement of technical solutions of the utility model, the rabbling mechanism includes turbine type paddle, further includes The output shaft of driving device, the driving device stretches into washed-out sand intracavitary, and the turbine type paddle is mounted on the output shaft.

It is further used as the improvement of technical solutions of the utility model, the output shaft of the driving device stretches into sand trap cavity, And pusher paddle is equipped in sand trap cavity.

It is further used as the improvement of technical solutions of the utility model, it includes auger conveyor to collect conveying device.

It is further used as the improvement of technical solutions of the utility model, the auger conveyor is obliquely installed, and low into sand end In the end that shakes out.

It is further used as the improvement of technical solutions of the utility model, the washed-out sand chamber is in inverted cone.

It is further used as the improvement of technical solutions of the utility model, the cavity wall of the washed-out sand chamber and the angle of horizontal plane are 60°。

The beneficial effects of the utility model：In the utility model, through sand setting, treated that sand grains puts into washed-out sand intracavitary, does Net tap water enters washed-out sand chamber from water inlet from lower to upper, by rabbling mechanism washed-out sand intracavitary drive flow to sand grains into Row cleaning, the sand grains cleaned up are collected from sand removing hole by collection conveying device and are discharged, and the sand grains organic matter after cleaning contains Low, sanitation and hygiene are measured, it is not black not smelly, it can directly secondary recovery utilize；Sewage after cleaning is discharged from water outlet, contains in sewage Higher organic matter can be added to as good carbon source in sewage disposal system, saved in sewage disposal process and added carbon Source cost, and be conducive to sewage disposal system denitrogenation dephosphorizing.

Description of the drawings

The utility model is described in further detail below in conjunction with the accompanying drawings：

Fig. 1 is the utility model embodiment structural schematic diagram.

Specific implementation mode

Referring to Fig.1, that show the concrete structures of the preferred embodiment of the utility model.It will be detailed below this reality It is with shown in FIG. 1 with the design feature of novel each component, and when if there is being described to direction (upper and lower, left and right, before and after) Structure is that reference describes, but the actual use direction of the utility model is not limited thereto.

The utility model provides a kind of carbon source retracting device of sand grains cleaning, including sand-washing device 1 and collection conveying dress 2 are set, the sand-washing device 1 includes device body, and described device ontology has washed-out sand chamber 11 and positioned at 11 lower section of the washed-out sand chamber Sand trap cavity 12, described device ontology in the cavity wall of washed-out sand chamber 11 be equipped with water outlet 13, the bottom of the sand trap cavity 12 and institute It states and collects being connected into sand end 21 for conveying device 2, the collection conveying device 2 is equipped with can inject ejected wash water into device body Water inlet, the end 22 that shakes out for collecting conveying device 2 is equipped with sand removing hole 23, rabbling mechanism 3 is equipped in the washed-out sand chamber 11. Through sand setting, treated that sand grains is put into washed-out sand chamber 11, and clean tap water enters washed-out sand chamber from water inlet from lower to upper 11, drive flow to clean sand grains in washed-out sand chamber 11 by rabbling mechanism 3, the sand grains cleaned up is by collecting conveying dress It sets 2 and collects and be discharged from sand removing hole 23, the sand grains content of organic matter after cleaning is low, sanitation and hygiene, not black not smelly, can direct two Secondary recycling；Sewage after cleaning is discharged from water outlet 13, and higher organic matter is contained in sewage, can be used as good carbon Source adds in sewage disposal system, saves in sewage disposal process and adds carbon source cost, and it is de- to be conducive to sewage disposal system Nitrogen dephosphorization.

Wherein, device body includes the washed-out sand bucket 14 at top and is located at the collection sand pond 15 of 14 lower end of washed-out sand bucket, described The inner cavity of washed-out sand bucket 14 forms washed-out sand chamber 11, and the inner cavity in collection sand pond 15 forms sand trap cavity 12.

The rabbling mechanism 3 includes turbine type paddle 31, further includes driving device 32, the output shaft of the driving device 32 33 stretch into washed-out sand chamber 11, and the turbine type paddle 31 is mounted on the output shaft 33.Turbine type paddle 31 is in driving device It drives flow to recycle up and down under 32 driving to clean sand grains.

Further, the output shaft 33 of the driving device 32 stretches into sand trap cavity 12, and is equipped with and pushes away in sand trap cavity 12 Into formula paddle 34.The setting of pusher paddle 34 strengthens the flowing that flow recycles up and down, keeps cleaning performance more preferable.

Motor or mechanical fuel can be selected in driving device 32, as the utility model preferred embodiment, the driving Device 32 includes motor.

It collects conveying device 2 and conveyer belt or auger conveyor can be selected, as the utility model preferred embodiment, receive It includes auger conveyor to collect conveying device 2.The auger conveyor is obliquely installed, and into sand end 21 less than the end 22 that shakes out.Cleaning Sand grains afterwards falls into auger conveyor, and rises with auger conveyor, drains, and is finally discharged from sand removing hole 23.

Washed-out sand chamber 11 can be inverted side's taper or inverted cone, as the preferred embodiment party of the utility model Formula, the washed-out sand chamber 11 are in inverted cone, are more conducive to collect sand grains cleaning and the remaining sand grains of 11 inner wall of washed-out sand chamber in this way Less.

As the utility model preferred embodiment, the cavity wall of the washed-out sand chamber 11 and the angle of horizontal plane are 60 °, this The effect that sample collects sand grains is more preferable.

Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally Equivalent variations or replacement can be also made under the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application In claim limited range.

Claims

1. a kind of carbon source retracting device of sand grains cleaning, it is characterised in that：Including sand-washing device and conveying device is collected, it is described to wash Sand device includes device body, and described device ontology has washed-out sand chamber and the sand trap cavity below the washed-out sand chamber, the dress It sets ontology and is equipped with water outlet in the cavity wall of washed-out sand chamber, connecting into sand end for conveying device is collected in the bottom of the sand trap cavity with described It connects, the conveying device of collecting is equipped with the water inlet that ejected wash water can be injected into device body, the collection conveying device End shake out equipped with sand removing hole, the washed-out sand intracavitary is equipped with rabbling mechanism.

2. the carbon source retracting device of sand grains cleaning according to claim 1, it is characterised in that：Device body includes top The inner cavity of washed-out sand bucket and the Ji Shachi for being located at washed-out sand bucket lower end, the washed-out sand bucket form washed-out sand chamber, the inner cavity shape of Ji Shachi At sand trap cavity.

3. the carbon source retracting device of sand grains cleaning according to claim 1, it is characterised in that：The rabbling mechanism includes whirlpool Wheeled paddle further includes driving device, and the output shaft of the driving device stretches into washed-out sand intracavitary, and the turbine type paddle is mounted on On the output shaft.

4. the carbon source retracting device of sand grains cleaning according to claim 3, it is characterised in that：The output of the driving device Axis stretches into sand trap cavity, and pusher paddle is equipped in sand trap cavity.

5. the carbon source retracting device of sand grains cleaning according to claim 1, it is characterised in that：It includes spiral shell to collect conveying device Revolve conveyer.

6. the carbon source retracting device of sand grains cleaning according to claim 5, it is characterised in that：The auger conveyor tilts Setting, and into sand end less than the end that shakes out.

7. the carbon source retracting device of sand grains cleaning according to claim 1, it is characterised in that：The washed-out sand chamber is in inverted Cone.

8. the carbon source retracting device of sand grains cleaning according to claim 7, it is characterised in that：The cavity wall of the washed-out sand chamber with The angle of horizontal plane is 60 °.