CN217398674U - Food strong brine comprehensive utilization and treatment system - Google Patents
Food strong brine comprehensive utilization and treatment system Download PDFInfo
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- CN217398674U CN217398674U CN202220243547.4U CN202220243547U CN217398674U CN 217398674 U CN217398674 U CN 217398674U CN 202220243547 U CN202220243547 U CN 202220243547U CN 217398674 U CN217398674 U CN 217398674U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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Abstract
The utility model discloses a food strong brine utilizes processing system multipurposely, including grid pond, equalizing basin, precision filtration system, the mixed reaction tank that communicate in proper order, filter-pressing system, middle pond, MVR vaporization system, magma thick jar, centrifugal separation system and the drying system, be provided with return passage between centrifugal separation system's the liquid outlet and the MVR vaporization system, centrifugal separation system's discharge gate and drying system's feed inlet intercommunication. The utility model discloses the operation is stable and easy operation, and the management is convenient, and the treatment effect is good, when carrying out the preliminary treatment to the strong brine of preserved szechuan pickle, pickles trade and get rid of suspended solid, organic matter, denitrogenation, dephosphorization, can carry out recycle to sodium chloride in the strong brine, and the final product reaches GB/T5461 and 2016 edible salt standard and recycles in production again.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to food strong brine comprehensive utilization processing system.
Background
The strong brine of pickle and tuber mustard enterprises mainly comprises saline wastewater with salinity of more than 5 percent and has the characteristics of high suspended substances, high organic substances, high salt, high ammonia nitrogen and high nitrogen and phosphorus.
In the prior art, only a grid pond is generally arranged in the treatment stage of concentrated brine to intercept and remove larger solid suspended matters in the wastewater, a precise filtering facility for removing shredded vegetables and pepper seed particles is not generally considered, pretreatment of high salt, high organic matters and high nitrogen and phosphorus in the wastewater is generally not considered, and due to the high salinity of the concentrated brine, the normal operation of a subsequent sewage treatment facility is often seriously influenced, and the treatment effect is influenced;
the strong brine of pickle and tuber mustard enterprises contains a large amount of sodium chloride, the salt content of the secondary brine and the tertiary brine of the pickle industry and tuber mustard industry is more than 10%, and the comprehensive recycling of the high-salt water is very necessary and feasible.
Disclosure of Invention
The utility model aims to solve the technical problem that the not enough to above-mentioned prior art provides a food strong brine integrated utilization processing system, and it can carry out recycle to sodium chloride in the strong brine, and the final product reaches GB/T5461- 'edible salt' standard and recycles for production.
The utility model adopts the technical proposal that: the utility model provides a food strong brine utilizes processing system multipurposely, includes grid pond, equalizing basin, precision filtration system, mixed reaction tank, filter-pressing system, middle pond, MVR evaporating system, magma thick jar, centrifugal separation system and the drying system that communicates in proper order, be provided with return flow channel between centrifugal separation system's the liquid outlet and the MVR evaporating system, centrifugal separation system's discharge gate and drying system's feed inlet intercommunication.
Preferably, the grid pool is provided with a mechanical grid structure, and the distance between grid bars is 3-5 mm.
Preferably, the precise filtering system is provided with a drum type grating structure, and the distance between the grating bars is 0.2-0.5 mm.
Preferably, a stirring mechanism is arranged in the mixing reaction tank, food-grade sodium hydroxide is added to adjust the pH value, and diatomite is added to assist filtration for pretreatment.
Preferably, a filtrate outlet of the filter pressing system is communicated with the middle water tank.
Preferably, a discharge port of the MVR evaporation system is communicated with a feed port of the magma thickening tank, and a distillate discharge port of the MVR evaporation system is communicated with a sewage treatment pipeline.
The utility model discloses the operation is stable and easy operation, and the management is convenient, and the treatment effect is good, when carrying out the preliminary treatment to the strong brine of preserved szechuan pickle, pickles trade and get rid of suspended solid, organic matter, denitrogenation, dephosphorization, can carry out recycle to sodium chloride in the strong brine, and the final product reaches GB/T5461-.
Drawings
Fig. 1 is a block diagram of a processing system according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the utility model provides a food strong brine comprehensive utilization treatment system, including grid pond, equalizing basin, precise filtration system, mixed reaction tank, filter-pressing system, middle pond, MVR vaporization system, magma thick jar, centrifugal separation system and drying system, the water inlet of grid pond and salinization pond intercommunication, the delivery port of grid pond and the water inlet of equalizing basin intercommunication, the delivery port of equalizing basin and the water inlet of precise filtration system intercommunication, the delivery port of precise filtration system and the water inlet of mixed reaction tank intercommunication, the discharge gate of mixed reaction tank and the feed inlet of filter-pressing system intercommunication, the filter-pressing system carries out the filter-pressing to the product after the mixed reaction in the mixed reaction tank, the solid mud material after the filter-pressing discharges through the mud material discharge gate, and outward transport the processing, the filtrating delivery port of filter-pressing system and the water inlet of middle pond communicate, the delivery port of middle pond and the water inlet of MVR vaporization system communicate, the MVR system carries out evaporation treatment on the filtrate, distillate generated by evaporation is discharged into a sewage treatment pipeline, an evaporation product obtained by evaporation enters the magma thickening tank to be temporarily stored, a discharge hole of the magma thickening tank is communicated with a feed inlet of the centrifugal separation system, the centrifugal separation system carries out centrifugal solid-liquid separation on the evaporation product, separated mother liquor partially flows back to the MVR evaporation system through a backflow channel, part of the separated mother liquor is discharged for other purposes, the separated solid product enters the drying system to be dried, and food-grade salt is obtained after drying.
The utility model discloses in set up mechanical grid structure in grid pond and the accurate filtration system respectively, the grid interval in the grid pond is 3-5mm, and the grid interval in the accurate filtration system is 0.2-0.5 mm. And a stirring mechanism is arranged in the mixing reaction tank, food-grade sodium hydroxide is added to adjust the pH value, and diatomite is added to assist filtration for pretreatment.
The working process of the utility model is as follows:
sending concentrated water with salinity of more than 5% stored in a salinization pool into a grating pool, enabling waste water after large-particle suspended solids are removed by a mechanical fine grating to automatically flow into an adjusting pool to adjust the water quality and the water quantity, enabling the waste water to quantitatively enter a precise filtering system through a pump to remove a large amount of fine suspended solids, enabling the effluent to enter a mixed reaction pool, adding food-grade sodium hydroxide to adjust the pH value, simultaneously adding diatomite to assist filtering, enabling the effluent to enter a filter pressing system to perform solid-liquid separation, enabling the filtrate to enter an intermediate water pool and then enter an MVR evaporation system, enabling the distillate to enter a sewage station for mixing treatment, enabling the distilled product to enter a crystal pulp thickening tank for temporary storage, then sending the distilled product into a centrifugal separation system and a drying system to perform solid-liquid separation and drying treatment, and finally obtaining the product food-grade salt. And (4) carrying out outward transportation on the sludge subjected to filter pressing.
The embodiment is as follows:
strong brine water quality index of a certain pickle enterprise: PH value is 5.5-6.0, CODCr38000-63000mg/L, ammonia nitrogen 450-900mg/L, total phosphorus 300-450mg/L, and chloride ion 50000-100000 mg/L.
The method comprises the steps of automatically flowing concentrated water with salinity of more than 5% stored in a salinization tank into a grid tank, enabling the distance between grid bars of a mechanical fine grid to be 5mm, enabling waste water after large-particle suspended matters are removed through the grid to automatically flow into an adjusting tank, enabling the waste water to quantitatively enter a precise filtering system through a pump to remove fine suspended matters, enabling the grid distance of a rotary drum type grid to be 0.5mm, enabling effluent to flow into a mixed reaction tank, adding food-grade sodium hydroxide to adjust the pH value, adding diatomite to assist in filtering, enabling the effluent to enter a filter pressing system to dewater after reaction, enabling the produced filtrate to enter an intermediate water tank and then enter an MVR evaporation system to evaporate, enabling produced distillate to enter a sewage station to be subjected to mixing treatment, enabling a distillation product to enter a crystal slurry thickening tank to be temporarily stored, and then sequentially sending the distillation product into a centrifugal separation and drying system.
The final dry solid product reaches the GB/T5461-2016 edible salt standard and is reused for production.
The quality of distillate after MVR evaporation treatment is as follows: the PH value is 6-9, the CODCr is 2000-4000mg/L, the ammonia nitrogen is 150-300mg/L, the total phosphorus is less than 1.0mg/L, and the chloride ion is 100-200mg/L, and the wastewater can enter a subsequent sewage treatment station to be mixed with other production wastewater for treatment.
The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a processing system is used multipurposely to food strong brine which characterized in that: including grid pond, equalizing basin, secondary filter system, mixed reaction tank, filter-pressing system, middle pond, MVR vaporization system, magma thick jar, centrifugal separation system and the drying system that communicate in proper order, be provided with return flow channel between centrifugal separation system's the liquid outlet and the MVR vaporization system, centrifugal separation system's discharge gate and drying system's feed inlet intercommunication.
2. The comprehensive utilization and treatment system for the concentrated brine of the food as claimed in claim 1, wherein: the grid pond is provided with a mechanical grid structure, and the distance between grid bars is 3-5 mm.
3. The comprehensive utilization and treatment system for concentrated brine as food in claim 1, wherein: the precise filtering system is provided with a drum type grating structure, and the distance between the grating bars is 0.2-0.5 mm.
4. The comprehensive utilization and treatment system for the concentrated brine of the food as claimed in claim 1, wherein: and a stirring mechanism is arranged in the mixing reaction tank, food-grade sodium hydroxide is added to adjust the pH value, and diatomite is added to assist filtration for pretreatment.
5. The comprehensive utilization and treatment system for the concentrated brine of the food as claimed in claim 1, wherein: and a filtrate outlet of the filter pressing system is communicated with the middle water tank.
6. The comprehensive utilization and treatment system for the concentrated brine of the food as claimed in claim 1, wherein: the discharge gate of MVR vaporization system and the feed inlet intercommunication of magma thick jar, MVR vaporization system's distillate discharge port and sewage treatment pipeline intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220243547.4U CN217398674U (en) | 2022-01-19 | 2022-01-19 | Food strong brine comprehensive utilization and treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220243547.4U CN217398674U (en) | 2022-01-19 | 2022-01-19 | Food strong brine comprehensive utilization and treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217398674U true CN217398674U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220243547.4U Active CN217398674U (en) | 2022-01-19 | 2022-01-19 | Food strong brine comprehensive utilization and treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN217398674U (en) |
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2022
- 2022-01-19 CN CN202220243547.4U patent/CN217398674U/en active Active
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