Novel film covering type organic fertilizer thermophilic fermentation technology

A high-temperature fermentation and organic fertilizer technology, applied in the direction of organic fertilizer, organic fertilizer preparation, bio-organic part treatment, etc., to achieve the effect of no secondary pollution risk, reduce cost input, and good labor hygiene environment

Inactive Publication Date: 2019-08-02
新疆天物生态环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a new film-covered organic fertilizer high-temperature fermentation process, which can use a special film to cover aerobic fermentation, has the advantages of no malodorous gas escape, good labor hygiene environment, and no risk of secondary pollution. The problem of resource utilization of waste processors, and there is no generation of waste residue, waste gas and waste liquid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides a technical solution: a novel film-covered organic fertilizer high-temperature fermentation process, comprising the following steps:

[0024] Step 1. Mix 1t of municipal sludge, 0.5t of auxiliary materials and 0.5kg of microbial bacteria, and add backfill after mixing. The moisture content of the sludge is 80%, and the comprehensive moisture content of auxiliary materials is 30%. After mixing, mix The moisture content of the material is 60%.

[0025] Specifically, the auxiliary material is a mixture of wood chips, branches and leaves, wherein the wood chips have water absorption properties, and the branches and leaves can increase the gap between the mixtures, which is beneficial to the improvement of the fermentation effect.

[0026] Step 2: Import the mixed material from step 1 into the built-in pile of the fermentation tank, and use film-covered positive pressure to carry out the first stage of aerobic fermentation, and the first stage of fer...

Embodiment 2

[0038] This embodiment provides a technical solution, a new film-covered organic fertilizer high-temperature fermentation process, including the following steps:

[0039] Step 1. Mix municipal sludge, auxiliary materials and microorganisms in proportion, and add backfill after mixing.

[0040] Step 2: Import the mixed material in step 1 into the built-in pile of the fermentation tank, and use film-covered positive pressure to carry out the first stage of aerobic fermentation.

[0041] Step 3: Film-forming and composting the mixed material that has undergone the first stage of aerobic fermentation in Step 2.

[0042] Step 4: Ferment the mixed material that has been film-opened and turned over in Step 3 without film coating.

[0043] Step 5, the fermentation process is completed, and part of the material is used as backfill to carry out the mixing in step 1.

[0044] Further, in the first step, the municipal sludge has a moisture content of 75% and a weight of 1 ton.

[0045]...

Embodiment 3

[0055] This embodiment provides a technical solution, a new film-covered organic fertilizer high-temperature fermentation process, including the following steps:

[0056] Step 1. Mix municipal sludge, auxiliary materials and microorganisms in proportion, and add backfill after mixing.

[0057] Step 2: Import the mixed material in step 1 into the built-in pile of the fermentation tank, and use film-covered positive pressure to carry out the first stage of aerobic fermentation.

[0058] Step 3: Film-forming and composting the mixed material that has undergone the first stage of aerobic fermentation in Step 2.

[0059] Step 4: Ferment the mixed material that has been film-opened and turned over in Step 3 without film coating.

[0060] Step 5, the fermentation process is completed, and part of the material is used as backfill to carry out the mixing in step 1.

[0061] Further, in the first step, the municipal sludge has a moisture content of 75% and a weight of 1 ton.

[0062]...

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Abstract

The invention discloses a novel film covering type organic fertilizer thermophilic fermentation technology. The technology comprises following steps: step one, civil sludge, auxiliary materials and microbial flora are mixed in proportion, and backfill is added after the mixing; step two, mixed materials obtained in the step one are guided into a fermentation tank for heap building, and first-stageaerobic fermentation is performed under film covering positive pressure; step three, the mixed materials subjected to the first-stage aerobic fermentation in the step two are subjected to film opening and turning; step four, the mixed materials after film opening and turning in the step three are fermented without film covering. Compared with the prior art, the film covering type organic fertilizer thermophilic fermentation technology has beneficial effects that most biological deodorization systems and turning and throwing equipment are omitted, cost input of an enterprise is reduced, furthermore, the technology has the advantages that no malodorous gas escapes, the labor hygiene environment is good and secondary pollution risk is avoided, the problem about recycling of solid waste treatment units is solved, and waste residues, waste gas and waste liquids are not produced.

Description

technical field [0001] The invention relates to the technical field of organic fertilizer fermentation, in particular to a novel film-covered high-temperature fermentation process for organic fertilizers. Background technique [0002] As an important part of urban infrastructure and an important link in water pollution control, the construction and operation of sludge treatment projects is of great significance. The construction and operation of sludge treatment plants are costly, and are restricted and affected by many factors. Among them, the optimal selection of sludge treatment process scheme is the most critical to ensure the operation performance of the treatment plant, reduce operating costs and reduce investment, so there are It is necessary to select a feasible and economical and reasonable fermentation process based on the established standards and general principles, starting from the concept of overall optimization, combined with the design scale, sludge characte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F15/00C05F17/00
CPCC05F7/00C05F17/00C05F11/00C05F11/08Y02W30/40
Inventor 郭志国蔡宜东魏永洋张丽霞王军岩
Owner 新疆天物生态环保股份有限公司
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