CN113429086A - Process for treating production wastewater of hemp - Google Patents
Process for treating production wastewater of hemp Download PDFInfo
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- CN113429086A CN113429086A CN202110906480.8A CN202110906480A CN113429086A CN 113429086 A CN113429086 A CN 113429086A CN 202110906480 A CN202110906480 A CN 202110906480A CN 113429086 A CN113429086 A CN 113429086A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The invention discloses a process for treating production wastewater of hemp, which is characterized in that the production wastewater is introduced into a filter to be filtered to remove internal suspended matters; introducing the wastewater into a sedimentation tank for sedimentation; taking upper-layer liquid in the sedimentation tank, introducing the upper-layer liquid into the tank body, and heating; introducing a neutralizing solution into the tank body, and continuously stirring the neutralizing solution; taking out the neutralized liquid in the tank body and introducing the neutralized liquid into the biological decomposition tank, and continuously stirring the liquid; leading out the liquid in the biological decomposition tank and continuing to carry out sedimentation operation; the gases produced in the meantime are reintroduced into the interior of the tank in step three via a condensation duct. The hemp production wastewater treatment process provided by the invention can filter large granular waste residues in wastewater by preliminary precipitation, filter internal granular residues by preliminary precipitation, activate substances in the wastewater by heating, reduce the corrosivity of the wastewater by neutralizing alkaline substances in the wastewater with neutralizing liquid, and remove harmful substances in the waste liquid by matching with biological decomposition, so that the treatment is cleaner.
Description
Technical Field
The invention relates to the field of hemp production wastewater treatment, in particular to a hemp production wastewater treatment process.
Background
China-hemp, also known as Yama, Hanma, Huoman, etc., is also called as more than ten kinds. The garment and the clothes made of the garment have the functions of moisture absorption, ventilation, comfort, heat dissipation, mildew prevention, bacteriostasis, radiation resistance, ultraviolet protection, sound absorption and the like, and can be used for military use and civil use. The effect of producing antibacterial socks is widely appreciated. China hemp is the earliest natural fiber used for fabrics by human beings, has the reputation of national spinning source and universal clothes ancestor, has the planting history of at least 8000 years, is a raw material for various military clothes and high-grade clothes, and is expected to change the textile structure in the world at present; in the future, the mineral substitute can also be used as mineral substitutes of petroleum, coal and the like, and the environmental pollution caused by energy consumption is reduced. China hemp is an ecological, environment-friendly and renewable multipurpose plant, is changed into cotton wool like white flowers through procedures of degumming, silk drawing and the like, can be used for wool spinning, cotton spinning and blending, and is low in cost. The moisture removing performance of the hemp is 3 times that of pure cotton, and the hemp fabric can kill attached bacteria within 1 hour; the hemp fabric can shield more than 95% of ultraviolet rays, does not fade at the high temperature of 370 ℃, does not burn at the temperature of 1000 ℃, and has excellent heat resistance and ultraviolet resistance; the hemp bast can be used for spinning, has adsorption force and good air permeability, and can eliminate peculiar smell; the hemp stalk core can be ground to produce wood powder, active carbon and pulp for papermaking; the hemp leaves, the fried dough twists and the hemp roots can be used for extracting medicaments and have the effects of stopping bleeding, dissipating blood stasis, detoxifying, preventing miscarriage and the like; the hemp seed kernel can be used for extracting oil, and the content of unsaturated fatty acid of the hemp seed kernel is higher than that of deep sea fish oil; the hemp stalk core absorbs 11 times of formaldehyde of pine and has the special function of decomposing chemical harmful gas.
A large amount of waste water can be generated in the process of raw tea of China hemp, and the traditional treatment process cannot effectively clean internal impurities.
Based on the above, the invention designs a process for treating hemp production wastewater to solve the problems.
Disclosure of Invention
The invention aims to provide a process for treating hemp production wastewater, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a hemp production wastewater treatment process is characterized by comprising the following steps:
the method comprises the following steps: introducing the production wastewater into a filter for filtering to remove internal suspended matters;
step two: introducing the wastewater into a sedimentation tank for sedimentation;
step three; taking upper-layer liquid in the sedimentation tank, introducing the upper-layer liquid into the tank body, and heating;
step four: introducing a neutralizing solution into the tank body, and continuously stirring the neutralizing solution;
step five: taking out the neutralized liquid in the tank body and introducing the neutralized liquid into the biological decomposition tank, and continuously stirring the liquid;
step six: leading out the liquid in the biological decomposition tank and continuing to carry out sedimentation operation;
step seven: the operations in the first step to the sixth step are all carried out in a closed space, and the gas generated in the process is reintroduced into the tank body in the third step through a condensing pipeline.
As a further scheme of the invention, in the first step, a plurality of filter screens are arranged in the filter, and the filtering effects are increased in sequence.
As a further scheme of the invention, the settling time for introducing the materials into the settling pond in the second step is set to be 1-2 hours.
In a further aspect of the present invention, the temperature of the upper layer liquid introduced into the tank in the third step is set to 75 to 80 degrees, and the heating time is set to 45 to 75 minutes.
As a further scheme of the invention, concentrated sulfuric acid solution is selected as the neutralization solution in the fourth step.
In a further embodiment of the present invention, in the fifth step, hydrolytic fermentation bacteria are disposed inside the biological decomposition tank.
As a further embodiment of the present invention, the precipitation time in the sixth step is set to 2 to 2.5 hours.
As a further aspect of the invention.
Compared with the prior art, the invention has the beneficial effects that:
(1) the waste residue that the preliminary sedimentation can filter the bigger granule in the waste water of this invention, the subsequent clearance of being convenient for, the inside graininess residue of preliminary sedimentation can further filtering, the heating makes the material in the waste water active, and the leading-in neutralization solution of inside can effectively neutralize the alkaline material in the waste water, reduces the corrosivity of waste water, cooperates with the biological decomposition operation simultaneously, can further decompose the harmful substance in the waste liquid, and the processing is cleaner.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
FIG. 1 is a schematic structural flow diagram of a hemp wastewater treatment process according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the invention provides a hemp production wastewater treatment process, which is characterized by comprising the following steps:
the method comprises the following steps: introducing the production wastewater into a filter for filtering to remove internal suspended matters;
step two: introducing the wastewater into a sedimentation tank for sedimentation;
step three; taking upper-layer liquid in the sedimentation tank, introducing the upper-layer liquid into the tank body, and heating;
step four: introducing a neutralizing solution into the tank body, and continuously stirring the neutralizing solution;
step five: taking out the neutralized liquid in the tank body and introducing the neutralized liquid into the biological decomposition tank, and continuously stirring the liquid;
step six: leading out the liquid in the biological decomposition tank and continuing to carry out sedimentation operation;
step seven: the operations in the first step to the sixth step are all carried out in a closed space, and the gas generated in the process is reintroduced into the tank body in the third step through a condensing pipeline.
Through the scheme of the invention, in the first step, a plurality of filter screens are arranged in the filter, and the filtering effects are sequentially increased.
Through the scheme of the invention, the settling time for introducing the materials into the settling pond in the second step is set to be 1-2 hours.
Through the scheme of the invention, the temperature of the upper layer liquid introduced into the tank in the third step is set to be 75-80 ℃, and the heating time is set to be 45-75 minutes.
Through the scheme of the invention, concentrated sulfuric acid solution is selected as the neutralization solution in the fourth step.
Through the scheme of the invention, in the fifth step, hydrolysis fermentation bacteria are arranged inside the biological decomposition tank.
With the above scheme of the present invention, the precipitation time in the sixth step is set to 2-2.5 hours.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A hemp production wastewater treatment process is characterized by comprising the following steps:
the method comprises the following steps: introducing the production wastewater into a filter for filtering to remove internal suspended matters;
step two: introducing the wastewater into a sedimentation tank for sedimentation;
step three; taking upper-layer liquid in the sedimentation tank, introducing the upper-layer liquid into the tank body, and heating;
step four: introducing a neutralizing solution into the tank body, and continuously stirring the neutralizing solution;
step five: taking out the neutralized liquid in the tank body and introducing the neutralized liquid into the biological decomposition tank, and continuously stirring the liquid;
step six: leading out the liquid in the biological decomposition tank and continuing to carry out sedimentation operation;
step seven: the operations in the first step to the sixth step are all carried out in a closed space, and the gas generated in the process is reintroduced into the tank body in the third step through a condensing pipeline.
2. The hemp production wastewater treatment process according to claim 1, wherein a plurality of filter screens are arranged in the filter in the first step, and the filtering effects are sequentially increased.
3. The hemp production wastewater treatment process according to claim 1, wherein the settling time for introducing the material into the settling tank in the second step is set to 1-2 hours.
4. The process for treating hemp production wastewater according to claim 1, wherein the temperature of the upper liquid introduced into the tank in the third step is set to 75 to 80 ℃ and the heating time is set to 45 to 75 minutes.
5. The process for treating hemp production wastewater according to claim 1, wherein the neutralizing solution in the fourth step is a concentrated sulfuric acid solution.
6. The hemp production wastewater treatment process according to claim 1, wherein in the fifth step, hydrolytic fermentation bacteria are arranged inside the biological decomposition tank.
7. The process for treating hemp wastewater according to claim 1, wherein the precipitation time in the sixth step is set to 2 to 2.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906480.8A CN113429086A (en) | 2021-08-09 | 2021-08-09 | Process for treating production wastewater of hemp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906480.8A CN113429086A (en) | 2021-08-09 | 2021-08-09 | Process for treating production wastewater of hemp |
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| CN113429086A true CN113429086A (en) | 2021-09-24 |
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| CN202110906480.8A Pending CN113429086A (en) | 2021-08-09 | 2021-08-09 | Process for treating production wastewater of hemp |
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