CN205011568U - Energy -saving environmental -friendly ecological -circulation feces and sewage treatment system - Google Patents

Abstract

An energy-saving, environment-friendly and ecological cycle manure treatment system, including a sewage tank, a septic tank, a primary anaerobic tank, a biogas tank, a solid-liquid separation tank, a fertilizer tank, an oxidation reaction tank, a secondary anaerobic tank, and a filter tank. The sewage pool is connected with the water inlet of the first-level anaerobic tank through the pipeline, the septic tank is connected with the inlet of the septic tank through the pipeline, and the septic tank is connected with the water inlet of the first-level anaerobic tank through the pipeline; The anaerobic tank is connected to the biogas tank and the solid-liquid separation tank through pipelines; the solid-liquid separation tank is connected to the fertilizer tank, the secondary anaerobic tank and the oxidation reaction tank through pipelines. Beneficial effects of the utility model: use the primary anaerobic pond to stabilize the waste through the metabolic activities of microorganisms under anaerobic conditions, and produce methane and other substances at the same time, and then transport methane to the biogas pond for utilization; the remaining biogas The slag is used as fertilizer.

Description

A manure treatment system for energy saving, environmental protection and ecological cycle

technical field

The utility model relates to sewage treatment, in particular to an energy-saving, environment-friendly and ecological cycle excrement treatment system.

Background technique

Aquaculture is an important link in agricultural production. It provides meat for people and raw materials for the food industry. The manure discharge in the breeding industry has always been a big problem for farmers. The animal manure discharge is large and the treatment cost is expensive. If it is left alone, it will have a huge impact on the environment. It will not only affect the surrounding environment, but also reduce the production environment of animals. Thereby increasing the risk of farming.

Utility model content

The purpose of the utility model is to provide an energy-saving, environment-friendly and ecological cycle excrement treatment system to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An energy-saving, environment-friendly and ecological cycle manure treatment system, including a sewage tank, a septic tank, a primary anaerobic tank, a biogas tank, a solid-liquid separation tank, a fertilizer tank, an oxidation reaction tank, a secondary anaerobic tank, and a filter tank. The sewage pool is connected with the water inlet of the first-level anaerobic tank through the pipeline, the septic tank is connected with the inlet of the septic tank through the pipeline, and the septic tank is connected with the water inlet of the first-level anaerobic tank through the pipeline; The anaerobic tank is connected to the biogas tank and the solid-liquid separation tank through pipelines; the solid-liquid separation tank is connected to the fertilizer tank, the secondary anaerobic tank and the oxidation reaction tank through pipelines; the secondary anaerobic tank is connected to the biogas tank through pipelines. The pool is connected to the filter pool, and the filter pool is connected to the fertilizer pool and the oxidation reaction pool; the oxidation reaction pool, the ultrafiltration membrane group and the disinfection pool are connected in sequence through pipelines.

As a further solution of the utility model: the solid-liquid separation tank includes a solid-liquid separator, and the fermentation residue is separated through the solid-liquid separator to separate biogas residue, biogas slurry and clear liquid, and the biogas residue enters the fertilizer pond, the biogas slurry enters the secondary anaerobic pond, and the clear liquid enters the oxidation reaction pond.

As a further solution of the utility model: the filter tank separates the secondary fermentation biogas slurry and clear liquid, wherein the secondary fermentation biogas slurry flows to the fertilizer pond, and the clear liquid flows to the oxidation reaction tank.

As a further solution of the utility model: sewage filtering equipment is provided in the filter pool.

As a further solution of the utility model: sodium hypochlorite solution is housed in the disinfection pool.

As a further solution of the utility model: potassium permanganate solution is housed in the oxidation reaction tank.

Beneficial effects of the utility model: use the primary anaerobic pond to stabilize the waste through the metabolic activities of microorganisms under anaerobic conditions, and produce methane and other substances at the same time, and then transport methane to the biogas pond for utilization; the remaining biogas The slag is used as fertilizer; the remaining clear liquid is oxidized, filtered and sterilized before being discharged up to standard; the biogas slurry is subjected to secondary fermentation to make full use of resources.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Fig. 1, in the embodiment of the utility model, an energy-saving and environment-friendly ecological circulation manure treatment system includes a sewage tank, a septic tank, a primary anaerobic tank, a biogas tank, a solid-liquid separation tank, a fertilizer tank, an oxidation reaction Pool, secondary anaerobic pool and filter tank, the sewage pool is connected to the water inlet of the primary anaerobic pool through pipelines, the septic tank is connected to the entrance of the septic tank through pipelines, and the septic tank is connected to the primary anaerobic tank through pipelines The water inlet of the anaerobic tank is connected; the first-level anaerobic tank is connected with the biogas digester and the solid-liquid separation tank through pipelines; the solid-liquid separation tank is connected with the fertilizer tank, the secondary anaerobic tank and the oxidation reaction tank through pipelines; The secondary anaerobic tank is connected to the biogas tank and the filter tank respectively through pipelines, and the filter tank is connected to the fertilizer tank and the oxidation reaction tank; the oxidation reaction tank, the ultrafiltration membrane group and the disinfection tank are connected in sequence through pipelines . The solid-liquid separation tank includes a solid-liquid separator, and the fermentation residue is separated through the solid-liquid separator to separate biogas residue, biogas slurry and clear liquid. The biogas residue enters the fertilizer pond, and the biogas slurry enters the secondary exhaust Oxygen tank, the supernatant enters the oxidation reaction tank. The filter pool separates the secondary fermentation biogas slurry and clear liquid, wherein the secondary fermentation biogas slurry flows to the fertilizer pool, and the clear liquid flows to the oxidation reaction pool. Sewage filtering equipment is arranged in the filter pool. Sodium hypochlorite solution is housed in the disinfection pool. Potassium permanganate solution is housed in the oxidation reaction tank.

The working principle of the utility model is: in the energy-saving and environmental-friendly ecological cycle manure treatment system, the manure and sewage produced by the breeding industry are sent to the first-level anaerobic pool for anaerobic fermentation, and the waste is passed through the metabolic activities of microorganisms under anaerobic conditions. And be decomposed to produce biogas, biogas slurry and biogas residue, the generated biogas is clean energy, directly flow to the biogas digester as daily production and living fuel; biogas residue and biogas slurry enter the solid-liquid separation tank, in the solid-liquid separator Under the action, the biogas residue and biogas slurry are separated, and the biogas residue flows to the fertilizer pond, which is used as agricultural fertilizer. The clear liquid at the separation point flows to the oxidation reaction pond, and the biogas slurry flows to the secondary anaerobic pond; after passing through the secondary anaerobic pond Microbial re-fermentation, the generated biogas flows to the biogas digester, and the rest flows to the filter tank; the filter tank separates the secondary fermentation biogas slurry and clear liquid, of which the secondary fermentation biogas slurry flows to the fertilizer pond for use as agricultural fertilizer, and the clear liquid flows to Oxidation reaction tank; the clear liquid is oxidized by the oxidant potassium permanganate solution in the oxidation reaction tank, the organic matter in the clear liquid is gradually degraded into simple inorganic matter, and then the solution enters the ultrafiltration membrane group, and the small particle impurities in the solution are eliminated If it is intercepted, the remaining solution flows to the disinfection tank, and the sodium hypochlorite solution in the disinfection tank disinfects the solution and discharges it up to the standard.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. the treatment for cow manure system of an energy-saving, environment-friendly and ecological circulation, comprise sewage lagoon, excrement pond, one-level anaerobic pond, methane-generating pit, solid-liquid separation tank, fertilizer pond, oxidizing reaction pond, secondary anaerobic pond and filtering basin, it is characterized in that, described sewage lagoon is connected by the water inlet of pipeline with one-level anaerobic pond, described excrement pond is connected with the entrance of feace storing pool by pipeline, and feace storing pool is connected by the water inlet of pipeline with one-level anaerobic pond; Described one-level anaerobic pond is connected with methane-generating pit and solid-liquid separation tank respectively by pipeline; Solid-liquid separation tank is connected with fertilizer pond, secondary anaerobic pond and oxidizing reaction pond respectively by pipeline; Described secondary anaerobic pond is connected with methane-generating pit and filtering basin respectively by pipeline, and filtering basin are connected with described fertilizer pond and described oxidizing reaction pond; Described oxidizing reaction pond, ultra-filtration membrane group are connected by pipeline successively with sterilization pool.

2. the treatment for cow manure system of a kind of energy-saving, environment-friendly and ecological circulation according to claim 1, it is characterized in that, described solid-liquid separation tank comprises solid-liquid separating machine, fermentation residues is carried out separating treatment through solid-liquid separating machine, isolate natural pond slag, natural pond liquid and clear liquid, described natural pond slag enters fertilizer pond, and natural pond liquid enters secondary anaerobic pond, and clear liquid enters oxidizing reaction pond.

3. the treatment for cow manure system of a kind of energy-saving, environment-friendly and ecological circulation according to claim 1, it is characterized in that, described filtering basin isolate Secondary Fermentation natural pond liquid and clear liquid, and wherein Secondary Fermentation natural pond liquid flows to fertilizer pond, and clear liquid flows to oxidizing reaction pond.

4. the treatment for cow manure system of a kind of energy-saving, environment-friendly and ecological circulation according to claim 1 or 3, is characterized in that, be provided with sewage filtration equipment in described filtering basin.

5. the treatment for cow manure system of a kind of energy-saving, environment-friendly and ecological circulation according to claim 1, it is characterized in that, described sterilization pool is built with chlorine bleach liquor.

6. the treatment for cow manure system of a kind of energy-saving, environment-friendly and ecological circulation according to claim 1, it is characterized in that, described oxidizing reaction pond is built with potassium permanganate solution.