CN216764541U - Water treatment facilities suitable for continuous processing agricultural waste water - Google Patents
Water treatment facilities suitable for continuous processing agricultural waste water Download PDFInfo
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- CN216764541U CN216764541U CN202123344456.4U CN202123344456U CN216764541U CN 216764541 U CN216764541 U CN 216764541U CN 202123344456 U CN202123344456 U CN 202123344456U CN 216764541 U CN216764541 U CN 216764541U
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Abstract
A water treatment device suitable for continuously treating agricultural wastewater relates to the technical field of agricultural wastewater treatment. The utility model aims to solve the problem that the traditional agricultural wastewater treatment mode cannot realize continuous and efficient treatment of agricultural wastewater. A water treatment device suitable for continuously treating agricultural wastewater is provided with a return pipe and a secondary treatment tank, the treatment efficiency of the agricultural wastewater can be accelerated through the return pipe, and unqualified wastewater in the primary treatment tank can be continuously treated when the treatment device is conveyed to the secondary treatment tank through the primary treatment tank and meets the discharge standard or is close to the discharge standard; meanwhile, the primary treatment tank and the secondary treatment tank can simultaneously treat the agricultural wastewater, so that the treatment efficiency of the agricultural wastewater is greatly improved, the real-time property of the wastewater treatment is improved, the periodicity of the wastewater treatment is weakened, and the continuous and efficient treatment of the agricultural wastewater is realized. The utility model can obtain a water treatment device suitable for continuously treating agricultural wastewater.
Description
Technical Field
The utility model relates to the technical field of agricultural wastewater treatment, in particular to a water treatment device suitable for continuously treating agricultural wastewater.
Background
The agricultural wastewater refers to wastewater discharged in the processes of crop cultivation, livestock breeding, agricultural product processing and the like, wherein the agricultural wastewater is mainly divided into farmland drainage, feedlot drainage, agricultural product processing wastewater and the like. The agricultural wastewater has large water amount and wide influence range, and mainly reduces farmland approaches and prevents the pollution of various kinds of wastewater to the environment in the agricultural processing process aiming at the prevention and treatment measures of agricultural wastewater pollution. As the feed and the chemical fertilizer for raising livestock contain a large amount of phosphorus, the agricultural wastewater contains phosphorus elements which have no toxicity, but the excessive phosphorus elements can cause water eutrophication and seriously pollute the water environment.
At present, the agricultural wastewater treatment methods include an electrochemical method, an oxidation-reduction method, a physical adsorption method and a flocculation precipitation method, but the traditional agricultural wastewater treatment methods are all that wastewater is collected periodically and treated uniformly, then discharged uniformly after treatment, and then the wastewater treatment process of the next period is carried out. This approach results in a significant periodicity of agricultural wastewater treatment and, since the generation of agricultural wastewater is a dynamic process, conventional agricultural wastewater treatment approaches are clearly not applicable. Therefore, there is a need to improve a new agricultural wastewater treatment method, which can achieve continuous and efficient treatment aiming at the characteristics of agricultural wastewater.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the conventional agricultural wastewater treatment mode cannot realize continuous and efficient treatment of agricultural wastewater, and provides a water treatment device suitable for continuously treating agricultural wastewater.
A water treatment device suitable for continuously treating agricultural wastewater comprises a primary treatment tank, a dosing tank A, a stirring motor A, a circulating pump, a titanium rod filter, a return pipe, a secondary treatment tank, a dosing tank B and a stirring motor B;
the upper part of the primary treatment tank is provided with a water inlet pipe, the lower part of the primary treatment tank is provided with a water outlet pipe, the top of the primary treatment tank is provided with a dosing tank A, a dosing outlet of the dosing tank A is communicated with a dosing inlet of the primary treatment tank through a pipeline, the bottom of the primary treatment tank is provided with a stirring motor A, the bottom of the primary treatment tank is provided with a stirrer, and the stirring motor A is rotatably connected with the stirrer through a coupler; the water outlet of the primary treatment tank is communicated with the water inlet of the secondary treatment tank through a water outlet pipe, a circulating pump, a titanium rod filter and a water outlet valve are sequentially arranged on the water outlet pipe, a return pipe is arranged between the titanium rod filter and the water outlet valve, the water outlet of the return pipe is communicated with the circulating water inlet of the primary treatment tank, and a circulating valve and a sampling pipe A are arranged on the return pipe; a dosing box B is arranged at the top of the secondary treatment tank, a stirring motor B is arranged at the bottom of the secondary treatment tank, a stirrer is arranged at the bottom of the secondary treatment tank, and the stirring motor B is rotationally connected with the stirrer through a coupler; the lower part of the secondary treatment tank is provided with a sampling tube B and a drain pipe, and the drain pipe is provided with a drain valve.
The utility model has the beneficial effects that:
the utility model relates to a water treatment device suitable for continuously treating agricultural wastewater, which is characterized in that a return pipe and a secondary treatment tank are additionally arranged on the basis of a traditional agricultural wastewater treatment device, the treatment efficiency of the agricultural wastewater can be accelerated through the return pipe, and unqualified wastewater in a primary treatment tank can be continuously treated when the delivery of the agricultural wastewater to the secondary treatment tank through the primary treatment tank meets the discharge standard or is close to the discharge standard; meanwhile, the primary treatment tank and the secondary treatment tank can simultaneously treat the agricultural wastewater, so that the treatment efficiency of the agricultural wastewater is greatly improved, the real-time property of the wastewater treatment is improved, the periodicity of the wastewater treatment is weakened, and the continuous and efficient treatment of the agricultural wastewater is realized.
The utility model can obtain a water treatment device suitable for continuously treating agricultural wastewater.
Drawings
Fig. 1 is a schematic diagram of a water treatment apparatus suitable for continuously treating agricultural wastewater in example 1, where 1 is a primary treatment tank, 2 is a water inlet pipe, 4 is a sight glass a, 5 is a dosing tank a, 6 is a stirring motor a, 7 is a water outlet pipe, 8 is a circulating pump, 9 is a titanium rod filter, 10 is a pressure gauge, 11 is a blow-off valve, 12 is a blow-off pipe, 13 is a return pipe, 14 is a circulating valve, 15 is a sampling pipe a, 16 is a water outlet valve, 17 is a secondary treatment tank, 18 is a sight glass B, 19 is a dosing tank B, 20 is a stirring motor B, 21 is a sampling pipe B, 22 is a drain pipe, and 23 is a drain valve.
Fig. 2 is an enlarged schematic view of the internal structure of the primary treatment tank in fig. 1, wherein 2 is a water inlet pipe, 3 is a flow guide pipe, 4 is a view mirror a, 5 is a dosing tank a, and 6 is a stirring motor a.
Fig. 3 is an enlarged schematic view of the internal structure of the titanium rod filter in fig. 1, and 24 is a titanium rod.
Detailed Description
The first embodiment is as follows: the water treatment device suitable for continuously treating agricultural wastewater comprises a primary treatment tank 1, a dosing tank A5, a stirring motor A6, a circulating pump 8, a titanium rod filter 9, a return pipe 13, a secondary treatment tank 17, a dosing tank B19 and a stirring motor B20;
the upper part of the primary treatment tank 1 is provided with a water inlet pipe 2, the lower part of the primary treatment tank 1 is provided with a water outlet pipe 7, the top of the primary treatment tank 1 is provided with a dosing box A5, a dosing outlet of the dosing box A5 is communicated with a dosing inlet of the primary treatment tank 1 through a pipeline, the bottom of the primary treatment tank 1 is provided with a stirring motor A6, the bottom in the primary treatment tank 1 is provided with a stirrer, and the stirring motor A6 is rotationally connected with the stirrer through a coupler; a water outlet of the primary treatment tank 1 is communicated with a water inlet of a secondary treatment tank 17 through a water outlet pipe 7, a circulating pump 8, a titanium rod filter 9 and a water outlet valve 16 are sequentially arranged on the water outlet pipe 7, a return pipe 13 is arranged between the titanium rod filter 9 and the water outlet valve 16, a water outlet of the return pipe 13 is communicated with a circulating water inlet of the primary treatment tank 1, and a circulating valve 14 and a sampling pipe A15 are arranged on the return pipe 13; a dosing box B19 is arranged at the top of the secondary treatment tank 17, a stirring motor B20 is arranged at the bottom of the secondary treatment tank 17, a stirrer is arranged at the bottom in the secondary treatment tank 17, and the stirring motor B20 is rotationally connected with the stirrer through a coupling; the lower part of the secondary treatment tank 17 is provided with a sampling pipe B21 and a drain pipe 22, and the drain pipe 22 is provided with a drain valve 23.
The beneficial effects of the embodiment are as follows:
the water treatment device suitable for continuously treating agricultural wastewater increases the arrangement of the return pipe 13 and the secondary treatment tank 17 on the basis of the traditional agricultural wastewater treatment device, can accelerate the treatment efficiency of the agricultural wastewater through the return pipe 13, and can continuously treat the unqualified wastewater in the primary treatment tank 1 when the wastewater is conveyed to the secondary treatment tank 17 through the primary treatment tank 1 and meets the discharge standard or approaches the discharge standard; meanwhile, the primary treatment tank 1 and the secondary treatment tank 17 can simultaneously treat the agricultural wastewater, so that the treatment efficiency of the agricultural wastewater is greatly improved, the real-time property of the wastewater treatment is improved, the periodicity of the wastewater treatment is weakened, and the continuous and efficient treatment of the agricultural wastewater is realized.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: a flow guide pipe 3 is arranged in the primary treatment tank 1, a water inlet of the flow guide pipe 3 is communicated with the water inlet pipe 2, a water outlet of the flow guide pipe 3 is of a bent pipe structure, and a water outlet of the bent pipe structure is close to the inner wall of the lower part of the primary treatment tank 1.
Other steps are the same as those in the first embodiment.
Set up honeycomb duct 3, can make agricultural waste water slowly flow down along the inner wall of primary treatment jar 1, can not produce a lot of foams, be unlikely to because the stirring effect of the big influence waste water of the disturbance of rivers and then influence the treatment effect of agricultural waste water.
The third concrete implementation mode: the first or second differences from the present embodiment are as follows: the top of the primary treatment tank 1 is provided with a sight glass A4, and a sight glass lamp is arranged on the sight glass A4.
The other steps are the same as those in the first or second embodiment.
Through being provided with the sight glass lamp, conveniently observe the agricultural waste water liquid level and the clarity change of waste water after the active carbon treatment in the primary treatment jar 1 through sight glass A4.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the flocculating agent is polymeric ferric sulfate and calcium hydroxide.
The other steps are the same as those in the first to third embodiments.
The polyferric sulfate is used as a high molecular polymer, and iron ions in the polyferric sulfate can react with orthophosphate radicals in the agricultural wastewater to generate iron phosphate precipitates; meanwhile, ferric hydroxide colloidal ions and ferric ions with high polymerization effect generated after the polymeric ferric sulfate is dissolved in water have obvious effect on forming sludge by coagulation of suspended particles in water and insoluble phosphorus and ferric phosphate precipitates. Compared with other metal oxide, hydroxide and other flocculating agents, the calcium hydroxide has better dephosphorization effect, and the maximum dephosphorization effect can reach more than 70.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the decolorizing agent is activated carbon.
The other steps are the same as those in the first to fourth embodiments.
The activated carbon can effectively adsorb impurities in the agricultural wastewater, decolorize the agricultural wastewater and improve the clarity of the agricultural wastewater.
The sixth specific implementation mode is as follows: the difference between this embodiment and one of the first to fifth embodiments is as follows: the stirrers of the primary treatment tank 1 and the secondary treatment tank 17 are both magnetic stirrers.
The other steps are the same as those in the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: the titanium rod filter 9 is internally provided with a plurality of titanium rods 24.
The other steps are the same as those in the first to sixth embodiments.
The titanium rod 24 is used for filtering the active carbon and the impurity substances in the agricultural wastewater, so that the quality of the treated agricultural wastewater is effectively ensured.
The specific implementation mode is eight: the difference between this embodiment and one of the first to seventh embodiments is: the titanium rod filter 9 is provided with a pressure gauge 10.
The other steps are the same as those in the first to seventh embodiments.
The specific implementation method nine: the difference between this embodiment and the first to eighth embodiments is: a sewage discharge pipe 12 is arranged between the circulating pump 8 and the titanium rod filter 9, the water outlet of the sewage discharge pipe 12 is communicated with the water inlet of a sewage discharge system, and a sewage discharge valve 11 is arranged on the sewage discharge pipe 12.
The other steps are the same as those in the first to eighth embodiments.
The titanium rod filter 9 is provided with the pressure gauge 10, the amount of activated carbon and impurities attached to the titanium rod 24 in the titanium rod filter 9 can be visually judged in real time through the pressure parameter of the pressure gauge 10, when the pressure of the pressure gauge 10 is increased to a certain value and is basically not changed, the titanium rod 24 is judged to be fully hung with the activated carbon and the impurities, the titanium rod 24 can be detached from the titanium rod filter 9 for off-line cleaning through the pressure parameter, or the sewage discharge pipe 12 and the circulating valve 14 are opened, and the activated carbon and the impurities are reversely washed and discharged through the sewage discharge pipe 12.
The detailed implementation mode is ten: the difference between this embodiment and one of the first to ninth embodiments is as follows: the top of the secondary treatment tank 17 is provided with a sight glass B18, and a sight glass lamp is arranged on the sight glass B18.
The other steps are the same as those in the first to ninth embodiments.
Through being provided with the sight glass lamp, conveniently observe the agricultural waste water liquid level and the clarity change of waste water after the active carbon treatment in the secondary treatment jar 17 through sight glass B18.
The following examples were employed to demonstrate the beneficial effects of the present invention:
example 1: a water treatment device suitable for continuously treating agricultural wastewater comprises a primary treatment tank 1, a dosing tank A5, a stirring motor A6, a circulating pump 8, a titanium rod filter 9, a return pipe 13, a secondary treatment tank 17, a dosing tank B19 and a stirring motor B20;
the upper part of the primary treatment tank 1 is provided with a water inlet pipe 2, a flow guide pipe 3 is arranged in the primary treatment tank 1, the water inlet of the flow guide pipe 3 is communicated with the water inlet pipe 2, the water outlet of the flow guide pipe 3 is of a bent pipe structure, and the water outlet of the bent pipe structure is close to the inner wall of the lower part of the primary treatment tank 1; the lower part of the primary treatment tank 1 is provided with a water outlet pipe 7, the top of the primary treatment tank 1 is provided with a sight glass A4 and a dosing tank A5, a sight glass lamp is arranged on the sight glass A4, a medicine outlet of the dosing tank A5 is communicated with a medicine inlet of the primary treatment tank 1 through a pipeline, a flocculating agent and a decolorizing agent are arranged in the dosing tank A5, the flocculating agent is polymeric ferric sulfate and calcium hydroxide, and the polymeric ferric sulfate is purchased from Henan le Pont environmental protection and energy conservation science and technology Limited; the decolorizing agent is activated carbon; the bottom of the primary treatment tank 1 is provided with a stirring motor A6, the bottom in the primary treatment tank 1 is provided with a stirrer, and the stirring motor A6 is rotationally connected with the stirrer through a coupler; a water outlet of the primary treatment tank 1 is communicated with a water inlet of a secondary treatment tank 17 through a water outlet pipe 7, a circulating pump 8, a titanium rod filter 9 and a water outlet valve 16 are sequentially arranged on the water outlet pipe 7, a pressure gauge 10 is arranged on the titanium rod filter 9, and 3 titanium rods 24 are arranged in the titanium rod filter 9; a return pipe 13 is arranged between the titanium rod filter 9 and the water outlet valve 16, the water outlet of the return pipe 13 is communicated with the circulating water inlet of the primary treatment tank 1, and a circulating valve 14 and a sampling pipe A15 are arranged on the return pipe 13; a sewage discharge pipe 12 is arranged on the water outlet pipe 7 between the circulating pump 8 and the titanium rod filter 9, the water outlet of the sewage discharge pipe 12 is communicated with the water inlet of a sewage discharge system, and a sewage discharge valve 11 is arranged on the sewage discharge pipe 12; a sight glass B18 and a dosing tank B19 are arranged at the top of the secondary treatment tank 17, a sight glass lamp is arranged on the sight glass B18, a flocculating agent is arranged in the dosing tank B19, a stirring motor B20 is arranged at the bottom of the secondary treatment tank 17, a stirrer is arranged at the bottom in the secondary treatment tank 17, the stirring motor B20 is rotatably connected with the stirrer through a coupling, and the stirrers of the primary treatment tank 1 and the secondary treatment tank 17 are both magnetic stirrers; the lower part of the secondary treatment tank 17 is provided with a sampling pipe B21 and a drain pipe 22, and the drain pipe 22 is provided with a drain valve 23.
The method for continuously treating the agricultural wastewater by adopting the water treatment device of the embodiment comprises the following steps:
firstly, agricultural wastewater is added into a primary treatment tank 1 through a water inlet pipe 2 and a flow guide pipe 3, when the liquid level of the agricultural wastewater exceeds that of a magnetic stirrer, a stirring motor A6 is started to control the magnetic stirrer to rotate, calculated amounts of polymeric ferric sulfate, calcium hydroxide and activated carbon are added into the primary treatment tank 1 through a dosing box A5 (the amount of a flocculating agent is calculated according to the concentration of phosphorus in the agricultural wastewater, and an appropriate amount of a decolorizing agent is added according to the clarity of the agricultural wastewater), meanwhile, a circulating valve 14 is ensured to be in an open state, a drain pipe 12, a water outlet valve 16 and a drain valve 23 are in a closed state, then a circulating pump 8 is started to circulate the agricultural wastewater, and when the primary treatment tank 1 is filled with the agricultural wastewater, water addition is stopped; continuously sampling the agricultural wastewater through a sampling pipe A15 to detect the concentration of phosphorus, opening a water outlet valve 16 when the concentration of the phosphorus meets the discharge standard, slowly adding the treated agricultural wastewater into a secondary treatment tank 17 through the valve opening control of the water outlet valve 16, continuously adding the agricultural wastewater into a primary treatment tank 1 through a water inlet pipe 2 and a guide pipe 3, controlling the amount of the agricultural wastewater entering the primary treatment tank 1 and the amount of the agricultural wastewater in the secondary treatment tank 17 to be consistent through the valve (namely, the water level in the primary treatment tank 1 is basically consistent), continuously adding a flocculating agent and a decolorizing agent according to the flow rate of the untreated agricultural wastewater added into the primary treatment tank 1 and the concentration of the phosphorus, and discontinuously sampling the agricultural wastewater through a sampling pipe A15 to detect the concentration change of the phosphorus;
meanwhile, when the liquid level of the agricultural wastewater exceeds the magnetic stirrer in the secondary treatment tank 17, starting a stirring motor B20 to control the magnetic stirrer to rotate, sampling the agricultural wastewater when the liquid level of the agricultural wastewater in the secondary treatment tank 17 exceeds the position of a sampling pipe B21, and opening a drain valve 23 to discharge the treated agricultural wastewater if the concentration of phosphorus element meets the discharge standard; if the concentration of the phosphorus does not meet the discharge standard, adding a flocculating agent (referring to the adding amount in the primary treatment tank 1) into the secondary treatment tank 17 through a dosing box B19 until the concentration of the phosphorus meets the discharge standard, and continuously discharging the treated agricultural wastewater.
Of course, the above description is not intended to limit the water treatment apparatus for continuously treating agricultural wastewater according to the present invention, and the water treatment apparatus for continuously treating agricultural wastewater according to the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the scope and spirit of the water treatment apparatus for continuously treating agricultural wastewater according to the present invention are also within the scope and spirit of the water treatment apparatus for continuously treating agricultural wastewater according to the present invention.
Claims (8)
1. A water treatment device suitable for continuously treating agricultural wastewater is characterized by comprising a primary treatment tank (1), a dosing tank A (5), a stirring motor A (6), a circulating pump (8), a titanium rod filter (9), a return pipe (13), a secondary treatment tank (17), a dosing tank B (19) and a stirring motor B (20);
the device comprises a primary treatment tank (1), a water inlet pipe (2) is arranged at the upper part of the primary treatment tank (1), a water outlet pipe (7) is arranged at the lower part of the primary treatment tank (1), a dosing box A (5) is arranged at the top of the primary treatment tank (1), a dosing outlet of the dosing box A (5) is communicated with a dosing inlet of the primary treatment tank (1) through a pipeline, a stirring motor A (6) is arranged at the bottom of the primary treatment tank (1), a stirrer is arranged at the bottom in the primary treatment tank (1), and the stirring motor A (6) is rotationally connected with the stirrer through a coupler; a water outlet of the primary treatment tank (1) is communicated with a water inlet of a secondary treatment tank (17) through a water outlet pipe (7), a circulating pump (8), a titanium rod filter (9) and a water outlet valve (16) are sequentially arranged on the water outlet pipe (7), a return pipe (13) is arranged between the titanium rod filter (9) and the water outlet valve (16), a water outlet of the return pipe (13) is communicated with a circulating water inlet of the primary treatment tank (1), and a circulating valve (14) and a sampling pipe A (15) are arranged on the return pipe (13); a dosing box B (19) is arranged at the top of the secondary treatment tank (17), a stirring motor B (20) is arranged at the bottom of the secondary treatment tank (17), a stirrer is arranged at the bottom in the secondary treatment tank (17), and the stirring motor B (20) is rotationally connected with the stirrer through a coupling; the lower part of the secondary treatment tank (17) is provided with a sampling tube B (21) and a drain pipe (22), and the drain pipe (22) is provided with a drain valve (23).
2. The water treatment device suitable for continuously treating agricultural wastewater according to claim 1, characterized in that a flow guide pipe (3) is arranged in the primary treatment tank (1), the water inlet of the flow guide pipe (3) is communicated with the water inlet pipe (2), the water outlet of the flow guide pipe (3) is of an elbow structure, and the water outlet of the elbow structure is close to the inner wall of the lower part of the primary treatment tank (1).
3. A water treatment device suitable for continuous treatment of agricultural wastewater according to claim 1, characterized in that the top of the primary treatment tank (1) is provided with a sight glass a (4), and a sight glass lamp is arranged on the sight glass a (4).
4. A water treatment plant adapted for the continuous treatment of agricultural wastewater according to claim 1, characterized in that the stirrers of the primary treatment tank (1) and the secondary treatment tank (17) are magnetic stirrers.
5. A water treatment unit adapted for the continuous treatment of agricultural wastewater according to claim 1, characterized in that a plurality of titanium rods (24) are installed in said titanium rod filter (9).
6. A water treatment unit adapted for the continuous treatment of agricultural wastewater according to claim 1, characterized in that the titanium rod filter (9) is provided with a pressure gauge (10).
7. The water treatment device suitable for continuously treating agricultural wastewater according to claim 1, wherein a sewage discharge pipe (12) is arranged between the circulating pump (8) and the titanium rod filter (9), a water outlet of the sewage discharge pipe (12) is communicated with a water inlet of a sewage discharge system, and a sewage discharge valve (11) is arranged on the sewage discharge pipe (12).
8. A water treatment device suitable for continuously treating agricultural wastewater according to claim 1, wherein a sight glass B (18) is provided on the top of the secondary treatment tank (17), and a sight glass lamp is provided on the sight glass B (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344456.4U CN216764541U (en) | 2021-12-28 | 2021-12-28 | Water treatment facilities suitable for continuous processing agricultural waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344456.4U CN216764541U (en) | 2021-12-28 | 2021-12-28 | Water treatment facilities suitable for continuous processing agricultural waste water |
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| Publication Number | Publication Date |
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| CN216764541U true CN216764541U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123344456.4U Active CN216764541U (en) | 2021-12-28 | 2021-12-28 | Water treatment facilities suitable for continuous processing agricultural waste water |
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2021
- 2021-12-28 CN CN202123344456.4U patent/CN216764541U/en active Active
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