CN213803560U

CN213803560U - Organic waste water rapid precipitation device

Info

Publication number: CN213803560U
Application number: CN202022234494.3U
Authority: CN
Inventors: 钟明吉; 吴俊毅; 戴昭民
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-27
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a device for rapidly precipitating organic wastewater, which comprises a sewage storage tank, a water storage tank and a water outlet tank, wherein the sewage storage tank is used for collecting and outputting organic wastewater; a rapid settling tank receives the output organic waste water, and the rapid settling tank makes the organic waste water settled to form an organic solid, a concentrated solution and a clarified solution from bottom to top and outputs the organic solid, the concentrated solution and the clarified solution; a concentrated solution aeration tank for receiving the output concentrated solution, wherein the concentrated solution aeration tank is provided with a concentrated solution discharge end for discharging the concentrated solution which can be discharged; a clarifying liquid aeration tank for receiving the output clarifying liquid, wherein the clarifying liquid aeration tank is provided with a clarifying liquid discharge end for discharging the clarifying liquid meeting the clarifying liquid discharge standard; a concentrate collection tank receives the discharged concentrate.

Description

Organic waste water rapid precipitation device

Technical Field

The utility model relates to a treatment device which can quickly precipitate organic waste water and has the best filtering effect.

Background

At present, organic waste water formed by the manure or kitchen waste of common livestock is mainly treated by three-stage waste water treatment equipment, and the treatment process comprises the following steps: solid-liquid separation, anaerobic fermentation and aerobic treatment, and discharging the treated wastewater. Therefore, the treatment equipment and the treatment method have long waiting time for precipitation treatment, high electricity cost for treatment, and can emit stink and peculiar smell and pollute the environment ecology.

Therefore, the invention CN109665663 patent of "a method for treating livestock and poultry breeding wastewater" disclosed in china continental at 23.4.4.2019 discloses: the method comprises a pretreatment stage, a biochemical treatment stage and an advanced treatment stage, wherein the pretreatment stage at least comprises the steps of carrying out primary grid impurity removal, inclined screen separation and coagulating sedimentation on the wastewater; the biochemical treatment stage at least comprises the steps of carrying out anaerobic fermentation, anaerobic precipitation and AB method biological nitrogen and phosphorus removal on the wastewater; the advanced treatment stage at least comprises the steps of carrying out photocatalytic oxidation and biological denitrification on the wastewater, preparing the agricultural fertilizer from the waste liquid treated by the technical scheme, providing high-quality fertilizer resources for agriculture, realizing extraction and reutilization of methane in the wastewater treatment process, and after the wastewater is treated, the wastewater is superior to the breeding wastewater discharge standard, realizes standard discharge or reclaimed water recycling of the breeding wastewater, and is energy-saving and environment-friendly.

In addition, patent No. 201209014, "a system and method for producing methane, organic matrix fertilizer and available water from animal waste", is published in taiwan of china at 3/1/2012, which discloses: comprising the step of separating the animal waste into liquid waste and solid waste. The waste is subjected to anaerobic digestion to produce methane and a wet by-product. The wet by-product is pressed into a filter cake, which is granulated into the organic matrix fertilizer. The liquid waste is clarified to produce a supernatant and a sludge, which are pressed together with the wet by-product into a filter cake. Ammonia is extracted from the supernatant to produce ammonium sulfate and an aqueous solution. The aqueous solution is filtered to produce a concentrate and an aqueous filtrate. The water filtrate can be used as drinking or washing water. The ammonium sulfate and concentrate can be used to provide the solid waste, which is pelletized into the organic matrix fertilizer. In alternative embodiments, a portion of the supernatant and aqueous solution may be used as a liquid fertilizer.

However, the treatment apparatus of the above-mentioned patent publications is complicated in construction, long in treatment time and troublesome and time-consuming in treatment method, and is also too high in treatment cost, and also causes some pollution to the ecological environment, and thus is not ideal in use.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above-mentioned shortcomings of the existing organic wastewater treatment device, the present invention provides a rapid organic wastewater precipitation device.

Therefore, the utility model provides a device for rapidly precipitating organic wastewater, which is provided with a sewage storage tank for collecting organic wastewater, wherein the sewage storage tank is provided with an output end for outputting the organic wastewater; a fast settling tank, located at the outlet of the output end, for receiving the outputted organic waste water, the fast settling tank forming an organic solid, a concentrated solution and a clarified solution from bottom to top after settling the organic waste water, the fast settling tank having a solid discharge end corresponding to the organic solid for discharging the organic solid, the fast settling tank having a concentrated solution output end corresponding to the concentrated solution for outputting the concentrated solution, the fast settling tank having a clarified solution output end corresponding to the clarified solution for outputting the clarified solution; a concentrated liquid aeration tank located at the outlet of the concentrated liquid output end to receive the output concentrated liquid, the concentrated liquid aeration tank is provided with a concentrated liquid discharge end for discharging the concentrated liquid; a clarifying liquid aeration tank which is positioned at the outlet of the clarifying liquid output end and is used for receiving the outputted clarifying liquid, and the clarifying liquid aeration tank is provided with a clarifying liquid discharge end for discharging the clarifying liquid meeting the clarifying liquid discharge standard; a concentrate collection tank at the outlet of the concentrate discharge end for receiving the discharged concentrate.

The output end is provided with a first switch which is opened manually or electrically.

The solid discharge end is provided with a second switch which is opened manually or electrically, the concentrated solution output end is provided with a third switch which is opened manually or electrically, and the clarified solution output end is provided with a fourth switch which is opened manually or electrically.

The discharging end of the clarifying solution is provided with a sixth switch which is opened manually or electrically.

The concentrated solution discharge end is provided with a fifth switch which is opened manually or electrically.

A stirrer is arranged in the rapid settling tank.

The concentrated solution aeration tank is provided with a concentrated solution circulating end, an outlet of the concentrated solution circulating end is positioned above the rapid sedimentation tank, and the concentrated solution circulating end is provided with a first power pump for conveying the concentrated solution which is not discharged back to the rapid sedimentation tank.

The concentrated solution aeration tank is internally provided with a concentrated solution aerator.

The clear liquid aeration tank is provided with a clear liquid circulating end, and the outlet of the clear liquid circulating end is positioned above the rapid settling tank, and the clear liquid circulating end is provided with a second power pump for conveying the clear liquid which does not reach the clear liquid discharge standard back to the rapid settling tank.

The clarifying solution aeration tank is internally provided with a clarifying solution aerator.

The above technical features have the following advantages:

1. can make the organic waste water quickly precipitate in a short time to separate out organic solids, concentrated solution and clear solution, and can greatly shorten the treatment time to improve the separation efficiency.

2. The separated organic solid is rich in potassium element, can be used as solid fertilizer, and is beneficial to the growth of plants.

3. The separated concentrated solution can be used as liquid fertilizer for planting plants for fertilizing.

4. The separated clear liquid can be used as water supply for irrigation or cleaning.

5. The manufacturing cost is low, so the selling price can be relatively reduced, and the purpose of large-scale popularization can be achieved.

6. By adding the adsorbents such as active carbon or sandy diatomite, the organic waste water can be deodorized and deodorized, so that air pollution is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an organic wastewater rapid precipitation device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the formation of organic solids, concentrated liquid and clarified liquid in the rapid settling tank according to the embodiment of the present invention.

Fig. 3 is a flow chart of the method for rapidly precipitating organic wastewater according to the embodiment of the present invention.

Description of reference numerals: 1-a sewage storage tank; 11-an output terminal; 12-a first switch; 2-a rapid precipitation tank; 21-a solids discharge end; 22-a second switch; 23-concentrated liquid output end; 24-a third switch; 25-clear liquid output end; 26-a fourth switch; 27-a stirrer; 3-concentrated solution aeration tank; 31-concentrate recycle end; 32-a first power pump; 33-concentrate discharge end; 34-a fifth switch; 35-concentrated liquid aerator; 4-clear liquid aeration tank; 41-circulation end of clear liquid; 42-a second power pump; 43-clear liquid discharge end; 44-a sixth switch; 45-clear liquid aerator; 5-concentrated solution collecting tank; a-organic matter wastewater; a1 — organic solid; a2-concentrated solution; a3-clear solution.

Detailed Description

Referring to fig. 1 and 2, an embodiment of the present invention is an apparatus for rapidly precipitating organic wastewater, including: sewage storage tank 1, quick precipitation tank 2, concentrate aeration tank 3, clarified liquid aeration tank 4 and concentrate collecting vat 5, wherein:

the sewage storage tank 1 is used for collecting organic wastewater A formed by feces and urine of livestock and poultry or kitchen residues. The sewage storage tank 1 is provided with an output end 11, and the output end 11 is provided with a first switch 12 which is manually or electrically opened for outputting the organic wastewater a.

And the rapid settling tank 2 is positioned at the outlet of the output end 11 and is used for receiving the output organic waste water A. The rapid precipitation tank 2 can make the organic wastewater A form an organic solid A1, a concentrated solution A2 and a clarified solution A3 from bottom to top after precipitation. The bottom of the rapid settling tank 2 is provided with a solid discharge end 21 corresponding to the organic solid A1, and the solid discharge end 21 is provided with a second switch 22 which is opened manually or electrically to discharge the organic solid A1 for preparing solid fertilizer. The rapid settling tank 2 is provided with a concentrated solution output end 23 at a position corresponding to the concentrated solution A2, and the concentrated solution output end 23 is provided with a third switch 24 which is manually or electrically opened for outputting the concentrated solution A2. The position of the rapid settling tank 2 corresponding to the clarified liquid A3 is provided with a clarified liquid output 25, and the clarified liquid output 25 is provided with a fourth switch 26 which is opened manually or electrically to output the clarified liquid A3. A stirrer 27 is provided in the rapid sedimentation tank 2.

A concentrate aeration tank 3, located at the outlet of the concentrate output end 23, for receiving the output concentrate a 2. The concentrate aeration tank 3 is provided with a concentrate circulation end 31, the outlet of the concentrate circulation end 31 is located at an upper position of the rapid sedimentation tank 2, and a first power pump 32 is provided on the concentrate circulation end 31 for delivering the concentrate a2 which is not discharged back to the rapid sedimentation tank 2. The concentrated solution aeration tank 3 is provided with a concentrated solution discharge end 33, and the concentrated solution discharge end 33 is provided with a fifth switch 34 which is manually or electrically opened for discharging the concentrated solution A2 which can be discharged. And a concentrate aerator 35 is provided in the concentrate aeration tank 3 to increase the aeration amount.

A clarified liquid aeration tank 4 at the outlet of the clarified liquid output 25 for receiving the output clarified liquid A3. The clarified liquid aeration tank 4 is provided with a clarified liquid circulation end 41, and the outlet of the clarified liquid circulation end 41 is positioned at the upper position of the rapid sedimentation tank 2, and the clarified liquid circulation end 41 is provided with a second power pump 42 for conveying the clarified liquid A3 which does not reach the clarified liquid discharge standard back to the rapid sedimentation tank 2. The clarified liquid aeration tank 4 is provided with a clarified liquid discharge end 43, and the clarified liquid discharge end 42 is provided with a sixth switch 44 which is manually or electrically opened, so as to discharge the clarified liquid A3 which meets the clarified liquid discharge standard. And a clarified liquid aerator 45 is arranged in the clarified liquid aeration tank 4 to increase aeration quantity.

A concentrate collection tank 5 at the outlet of the concentrate discharge end 33 for receiving the discharged concentrate a3 for making solid fertilizer.

The embodiment of the utility model provides a quick organic waste water sedimentation method, which is implemented together with the quick organic waste water sedimentation device. As shown in fig. 1 and 3, the method for rapidly precipitating organic wastewater comprises the following steps.

A. Collecting organic waste water. Collecting organic wastewater A in the sewage storage tank 1.

B. Adding a potassium hydroxide solution into the organic matter wastewater. By turning on the first switch 12, the organic wastewater a in the wastewater storage tank 1 is transported to the rapid sedimentation tank 2 through the output end 11. Then, adding a potassium hydroxide (KOH) solution into the organic wastewater A, wherein the mixing ratio of water in the potassium hydroxide solution to potassium hydroxide is 50-1 to 10-1, and the mixing ratio is 20: 1 is most preferred. The potassium hydroxide of the embodiment of the utility model adopts plant ash, and 20kg of plant ash is dissolved in 1 ton of water. The adding ratio of the organic wastewater A to the potassium sodium hydroxide solution is 10-1 to 10-3, but the adding ratio is 20: 3 is most preferable. The embodiment of the present invention adds 150L of the potassium-sodium hydroxide solution into 1 ton of the organic wastewater A, and after 30 minutes of rapid mixing, the pH value is increased to more than 10 by the mixer 27 to accelerate the precipitation speed.

C. Adding a starch solution into the organic matter wastewater. The mixing ratio of water to starch in the starch solution is 1-0.025-1-0.050, wherein the weight ratio of water to starch is 1: 0.033 is most preferable. The starch solution of the embodiment of the utility model adopts sweet potato powder, and 33kg of sweet potato powder is dissolved in 1 ton of water. The adding ratio of the organic matter wastewater A to the starch solution is 8-1-20-1, but 10: 1 is most preferred. The embodiment of the present invention adds 100L of the starch solution into 1 ton of the organic wastewater A, and after mixing and stirring for 30 minutes at a low speed by the stirrer 27, the pH value is adjusted to be lower than 8, so that the pH value meeting the emission standard is 6-9.

D. Adding an adsorbent into the organic waste water. The adsorbent is activated carbon or sandy diatomite, and the adding proportion of the organic wastewater A and the adsorbent is 1-0.025-1-0.1, but the adding proportion is 1: 0.03 is most preferable. The embodiment of the present invention adds 33kg of the adsorbent into 1 ton of the organic wastewater a to deodorize and remove the odor of the organic wastewater a.

E. Standing and precipitating the organic wastewater for 10-60 minutes to rapidly precipitate the organic wastewater to form an organic solid, a concentrated solution and a clarified solution. As shown in fig. 2, the organic wastewater a is left to stand for 10 to 60 minutes, so that the organic wastewater a is rapidly precipitated from bottom to top in the rapid precipitation tank 2 to form the organic solid a1, the concentrated solution a2 and the clarified solution A3, respectively.

F. Outputting the organic solid to prepare a solid fertilizer. The organic solid A1 is discharged through the solid discharge end 21 by opening the second switch 22, so as to be made into the solid fertilizer. And the solid fertilizer is rich in potassium element, which is beneficial to the growth of plants.

G. Outputting the concentrated solution to prepare a liquid fertilizer. The concentrated solution a2 is outputted to the concentrated solution aeration tank 3 through the concentrated solution output terminal 23 by turning on the third switch 24. During the output, the concentrated solution a2 is filtered by a first filter, which is an activated carbon filter paper or an activated carbon filter. The concentrate aeration tank 3 increases the aeration amount by activating the concentrate aerator 35. The pH value of the concentrated solution A2 is 6-9, the conductivity (representing salinity and organic matter) is 2.83-4.05 ms/cm, and the color is from earthy yellow to coffee. If the concentrate A2 is not discharged, the first power pump 32 is activated to deliver the concentrate A2 back to the rapid settling tank 2 through the concentrate recycling end 31 for settling again. If the concentrated solution A2 can be discharged, by turning on the fifth switch 34, it is discharged to the concentrated solution collecting tank 5 through the concentrated solution discharging end 33, so as to be made into liquid fertilizer. And the liquid fertilizer is rich in potassium element, which is beneficial to the growth of plants.

H. Outputting the clarified liquid to be used as water supply. The clarified liquid A3 is outputted to the clarified liquid aeration tank 4 through the clarified liquid output end 25 by turning on the fourth switch 26, and during the output process, the clarified liquid A3 is filtered by a second filter material, which is an activated carbon filter paper or an activated carbon filter screen. The clarifier aeration tank 4 increases the aeration rate by activating the clarifier aerator 45. And the clear liquid A3 is detected and analyzed through a clear liquid discharge standard, and the clear liquid discharge standard comprises: the pH value is 6-9, the suspended solid SS is 86-125 mg/L, the Biochemical Oxygen Demand (BOD) is 47-62 mg/L, the Chemical Oxygen Demand (COD) is 325-410 mg/L, the conductivity is 2.42-3.25 ms/cm, and the appearance color is transparent, colorless and clear. If the clear liquid A3 does not reach the clear liquid discharge standard, the clear liquid A3 is conveyed back to the rapid settling tank 2 for standing and settling again through the clear liquid recycling end 41 by starting the second power pump 42. If the clear liquid A3 reaches the clear liquid discharge standard, the clear liquid is discharged through the clear liquid discharge end 43 by opening the sixth switch 44, and the clear liquid is used as water supply for irrigation or cleaning.

Therefore the utility model discloses a precipitation rate is fast, the filter effect is splendid, so can improve current treatment facility's structure complicacy, and processing method's trouble is time-consuming, and the treatment cost is too high moreover, also has shortcomings such as certain degree pollution to the environmental ecology simultaneously.

The utility model has the advantages that the cost of the needed cost is quite low, and the purchase cost is shown in the following list I.

Table one:

the foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an organic matter waste water rapid sedimentation device which characterized in that includes:

the sewage storage tank is used for collecting organic waste water and is provided with an output end for outputting the organic waste water;

a fast settling tank, located at the outlet of the output end, for receiving the outputted organic waste water, the fast settling tank forming an organic solid, a concentrated solution and a clarified solution from bottom to top after settling the organic waste water, the fast settling tank having a solid discharge end corresponding to the organic solid for discharging the organic solid, the fast settling tank having a concentrated solution output end corresponding to the concentrated solution for outputting the concentrated solution, the fast settling tank having a clarified solution output end corresponding to the clarified solution for outputting the clarified solution;

a concentrated liquid aeration tank located at the outlet of the concentrated liquid output end to receive the output concentrated liquid, the concentrated liquid aeration tank is provided with a concentrated liquid discharge end for discharging the concentrated liquid;

a clarifying liquid aeration tank which is positioned at the outlet of the clarifying liquid output end and is used for receiving the outputted clarifying liquid, and the clarifying liquid aeration tank is provided with a clarifying liquid discharge end for discharging the clarifying liquid meeting the clarifying liquid discharge standard;

a concentrate collection tank at the outlet of the concentrate discharge end for receiving the discharged concentrate.

2. The organic wastewater rapid precipitation device according to claim 1, wherein: the output end is provided with a first switch which is opened manually or electrically.

3. The organic wastewater rapid precipitation device according to claim 1, wherein: the solid discharge end is provided with a second switch which is opened manually or electrically, the concentrated solution output end is provided with a third switch which is opened manually or electrically, and the clarified solution output end is provided with a fourth switch which is opened manually or electrically.

4. The organic wastewater rapid precipitation device according to claim 1, wherein: the discharging end of the clarifying solution is provided with a sixth switch which is opened manually or electrically.

5. The organic wastewater rapid precipitation device according to claim 1, wherein: the concentrated solution discharge end is provided with a fifth switch which is opened manually or electrically.

6. The organic wastewater rapid precipitation device according to claim 1, wherein: a stirrer is arranged in the rapid sedimentation tank.

7. The organic wastewater rapid precipitation device according to claim 1, wherein: the concentrated solution aeration tank is provided with a concentrated solution circulating end, an outlet of the concentrated solution circulating end is positioned above the rapid sedimentation tank, and the concentrated solution circulating end is provided with a first power pump for conveying the concentrated solution which is not discharged back to the rapid sedimentation tank.

8. The organic wastewater rapid precipitation device according to claim 1, wherein: the concentrated solution aeration tank is internally provided with a concentrated solution aerator.

9. The organic wastewater rapid precipitation device according to claim 1, wherein: the clear liquid aeration tank is provided with a clear liquid circulating end, and the outlet of the clear liquid circulating end is positioned above the rapid settling tank and is provided with a second power pump so as to convey the clear liquid which does not reach the clear liquid discharge standard back to the rapid settling tank.

10. The organic wastewater rapid precipitation device according to claim 1, wherein: the clarifying solution aeration tank is internally provided with a clarifying solution aerator.