Centralized treatment device for agricultural tail water

Abstract

The utility model relates to the technical field of agricultural tail water, and discloses a centralized treatment device for agricultural tail water, which solves the problems in the background technology and comprises a pretreatment bin, and a PH value adjusting bin, an oxidizing agent adding bin, a filtering bin and a storage bin are sequentially arranged on one side of the pretreatment bin. The pretreatment bin, the PH value adjusting bin, the oxidizing agent adding bin, the filtering bin and the storage bin are connected through communicating pipes, and valves are arranged at the two ends of each communicating pipe. A water inlet is formed in the top end of the pretreatment bin, and a screen is arranged in the pretreatment bin; a PH sensor is arranged above the communicating pipe on the side, close to the pretreatment bin, of the PH value adjusting bin, and an acid-base adding device is arranged on the top wall of the PH value adjusting bin. The device has the advantages that the treatment efficiency is improved, errors and negligence caused by manual operation are reduced, the stability and reliability of the treatment process are ensured, and the treatment cost is reduced. And moreover, a large amount of energy and chemicals are not consumed, and the treatment cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural tail water, in particular to a centralized agricultural tail water treatment device. Background Art

[0002] With the modernization and intensification of agricultural production, the discharge of agricultural tailwater is increasing, and its treatment and reuse are gradually becoming an important issue in the sustainable development of agriculture.

[0003] The existing centralized agricultural tailwater treatment devices often have the problem of low treatment efficiency when working. A large amount of energy and chemicals are consumed during operation, resulting in high treatment costs. For this reason, we propose a centralized agricultural tailwater treatment device. Utility Model Content

[0004] In order to solve the problem that the current centralized agricultural tail water treatment device needs to consume a lot of energy and chemicals during operation, resulting in high treatment costs, the utility model provides the following technical solutions: a centralized agricultural tail water treatment device, including a pretreatment chamber, a pH value adjustment chamber, an oxidant addition chamber, a filter chamber and a storage chamber are sequentially arranged on one side of the pretreatment chamber, and the pretreatment chamber, the pH value adjustment chamber, the oxidant addition chamber, the filter chamber and the storage chamber are all connected by a connecting pipe, and valves are arranged at both ends of the connecting pipe;

[0005] The top of the pretreatment bin is provided with a water inlet, and a screen is provided inside the pretreatment bin;

[0006] A pH sensor is arranged above the connecting pipe of the pH value regulating bin close to the pretreatment bin, and an acid-base doser is arranged on the top wall of the pH value regulating bin, and the acid-base doser is electrically connected to the pH sensor;

[0007] A motor is arranged on the top of the oxidant adding bin, the output end of the motor passes through the top of the oxidant adding bin and is connected to a rotating shaft, a stirring blade is arranged on the rotating shaft, an oxidant storage tank is arranged on the top wall of the oxidant adding bin, and a metering pump is arranged below the oxidant storage tank;

[0008] A filter layer is arranged in the filter bin.

[0009] Preferably, there are two sieves, which are placed one above the other, with both ends of the two sieves connected to the side walls of the pretreatment bin. The mesh size of the upper sieve is larger than the mesh size of the lower sieve. The upper sieve first intercepts larger solid particles, and the lower sieve further removes smaller solid impurities to perform preliminary purification of the tail water.

[0010] Preferably, three filter layers are provided, and the three filter layers are, from left to right, a quartz sand layer, an activated carbon layer, and a high-efficiency fiber layer, to ensure that the tail water can reach the expected water quality standard after treatment.

[0011] Preferably, a water quality detector is provided on a side wall of the filter bin close to the storage bin, and an alarm is provided in the water quality detector to prevent unqualified tail water from entering the storage bin.

[0012] Preferably, the connecting pipe is made of stainless steel or polymer plastic to ensure that the pipeline can operate stably for a long time when treating tail water containing corrosive substances.

[0013] Preferably, the inner walls of the pretreatment chamber, pH adjustment chamber, oxidant addition chamber, filtration chamber and storage chamber are all coated with an anti-corrosion coating to improve the durability and service life of the device.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When working, agricultural tail water is first put into the pretreatment bin through the water inlet, the screen intercepts the solid impurities in the tail water, and the pretreated tail water flows into the pH value adjustment bin through the connecting pipe. The pH sensor monitors the pH value of the tail water in real time, and feeds back the data to the acid-base doser, automatically adding acid and alkali to adjust the pH value of the tail water to the preset range. The tail water with adjusted pH value continues to flow into the oxidant addition bin, and the oxidant in the oxidant storage tank is accurately added to the tail water through the metering pump. The motor drives the rotating shaft and the stirring blade to rotate to ensure that the oxidant is fully mixed with the tail water to remove the organic pollutants in the tail water. The mixed tail water enters the filter bin, and the multiple filter layers in the filter bin perform deep filtration on the tail water. After removing suspended matter, pigments and residual harmful substances, the filtered tail water will be tested by a water quality detector before flowing into the storage bin. If the water quality meets the preset standards, the tail water will be stored in the storage bin, waiting for further use or discharge. If the water quality does not meet the standards, the alarm in the water quality detector will sound an alarm to prompt the operator to perform corresponding treatment or maintenance. The entire treatment process is automated through functions such as opening and closing of valves, real-time monitoring of sensors, and automatic dosing of dosers. It not only improves the treatment efficiency, but also reduces errors and negligence in human operations, ensures the stability and reliability of the treatment process, and does not require the consumption of large amounts of energy and chemicals, reducing treatment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1It is a front view structural schematic diagram of the utility model as a whole;

[0018] In the figure: 1. Pretreatment chamber; 2. PH adjustment chamber; 3. Oxidant addition chamber; 4. Filtration chamber; 5. Storage chamber; 6. Connecting pipe; 7. Valve; 8. Water inlet; 9. Screen; 10. PH sensor; 11. Acid and alkali dosing device; 12. Motor; 13. Rotating shaft; 14. Stirring blade; 15. Oxidant storage tank; 16. Metering pump; 17. Water quality detector. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figure 1 The utility model comprises a pretreatment chamber 1, one side of which is provided with a pH value regulating chamber 2, an oxidant adding chamber 3, a filtering chamber 4 and a storage chamber 5 in sequence, and the pretreatment chamber 1, the pH value regulating chamber 2, the oxidant adding chamber 3, the filtering chamber 4 and the storage chamber 5 are all connected by a connecting pipe 6, and valves 7 are provided at both ends of the connecting pipe 6;

[0021] A water inlet 8 is provided at the top of the pretreatment chamber 1, and a screen 9 is provided inside the pretreatment chamber 1;

[0022] A pH sensor 10 is arranged above the connecting pipe 6 on the side of the pH value regulating chamber 2 close to the pretreatment chamber 1, and an acid-base doser 11 is arranged on the top wall of the pH value regulating chamber 2, and the acid-base doser 11 is electrically connected to the pH sensor 10;

[0023] A motor 12 is arranged on the top of the oxidant adding bin 3, the output end of the motor 12 passes through the top of the oxidant adding bin 3 and is connected to a rotating shaft 13, a stirring blade 14 is arranged on the rotating shaft 13, an oxidant storage tank 15 is arranged on the top wall of the oxidant adding bin 3, and a metering pump 16 is arranged below the oxidant storage tank 15;

[0024] A filter layer is arranged in the filter chamber 4 .

[0025] There are two screens 9, which are placed up and down. The two ends of the two screens 9 are connected to the side walls of the pretreatment bin 1. The mesh size of the upper screen 9 is larger than that of the lower screen 9. The upper screen 9 first intercepts larger solid particles, and the lower screen 9 further removes smaller solid impurities to preliminarily purify the tail water.

[0026] There are three filter layers, which are quartz sand layer, activated carbon layer and high-efficiency fiber layer from left to right, ensuring that the tail water can meet the expected water quality standards after treatment.

[0027] A water quality detector 17 is provided on a side wall of the filter bin 4 close to the storage bin 5 . The water quality detector 17 has an alarm to prevent unqualified tail water from entering the storage bin 5 .

[0028] The connecting pipe 6 is made of stainless steel or high polymer plastic, which ensures that the pipeline can operate stably for a long time when treating tail water containing corrosive substances.

[0029] The inner walls of the pretreatment chamber 1, the pH value adjustment chamber 2, the oxidant addition chamber 3, the filtration chamber 4 and the storage chamber 5 are all coated with an anti-corrosion coating to improve the durability and service life of the device.

[0030] Working principle: During operation, agricultural tail water is firstly put into pretreatment chamber 1 through water inlet 8, screen 9 intercepts solid impurities in tail water, and pretreated tail water flows into PH value adjustment chamber 2 through connecting pipe 6, PH sensor 10 monitors PH value of tail water in real time, and feeds back data to acid-base doser 11, automatically adding acid and alkali to adjust PH value of tail water to preset range, and tail water with adjusted PH value continues to flow into oxidant adding chamber 3, oxidant in oxidant storage tank 15 is accurately added into tail water through metering pump 16, motor 12 drives rotating shaft 13 and stirring blade 14 to rotate, to ensure that oxidant is fully mixed with tail water, so as to remove organic pollutants in tail water, and tail water after mixing enters filter chamber 4, and multiple filter layers in filter chamber 4 The tail water is deeply filtered to remove suspended matter, pigments and residual harmful substances. The filtered tail water will be tested by the water quality detector 17 before flowing into the storage bin 5. If the water quality meets the preset standard, the tail water will be stored in the storage bin 5, waiting for further use or discharge. If the water quality does not meet the standard, the alarm in the water quality detector 17 will sound an alarm to prompt the operator to perform corresponding processing or maintenance. The entire processing process is automatically controlled through the opening and closing of the valve 7, the real-time monitoring of the sensor, and the automatic addition of the dosing device. It not only improves the processing efficiency, but also reduces the errors and negligence of human operation, ensures the stability and reliability of the processing process, and does not require the consumption of a large amount of energy and chemicals, thereby reducing the processing cost.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centralized agricultural tailwater treatment device, comprising a pretreatment chamber (1), characterized in that: A pH value regulating chamber (2), an oxidant adding chamber (3), a filtering chamber (4) and a storage chamber (5) are sequentially arranged on one side of the pretreatment chamber (1); the pretreatment chamber (1), the pH value regulating chamber (2), the oxidant adding chamber (3), the filtering chamber (4) and the storage chamber (5) are all connected via a connecting pipe (6); valves (7) are arranged at both ends of the connecting pipe (6); The top of the pretreatment chamber (1) is provided with a water inlet (8), and a screen (9) is provided inside the pretreatment chamber (1); A pH sensor (10) is arranged above the connecting pipe (6) on the side of the pH value regulating chamber (2) close to the pretreatment chamber (1), and an acid-base doser (11) is arranged on the top wall of the pH value regulating chamber (2), and the acid-base doser (11) is electrically connected to the pH sensor (10); A motor (12) is arranged on the top of the oxidant adding bin (3); an output end of the motor (12) passes through the top of the oxidant adding bin (3) and is connected to a rotating shaft (13); a stirring blade (14) is arranged on the rotating shaft (13); an oxidant storage tank (15) is arranged on the top wall of the oxidant adding bin (3); and a metering pump (16) is arranged below the oxidant storage tank (15); A filter layer is arranged in the filter chamber (4).

2. The agricultural tailwater centralized treatment device according to claim 1 is characterized by: There are two sieves (9), which are placed one above the other. Both ends of the two sieves (9) are connected to the side wall of the pretreatment bin (1), and the mesh size of the upper sieve (9) is larger than the mesh size of the lower sieve (9).

3. The centralized agricultural tailwater treatment device according to claim 2 is characterized in that: There are three filter layers, which are, from left to right, a quartz sand layer, an activated carbon layer and a high-efficiency fiber layer.

4. The centralized agricultural tailwater treatment device according to claim 3 is characterized by: A water quality detector (17) is provided on a side wall of the filter bin (4) close to the storage bin (5), and an alarm is provided inside the water quality detector (17).

5. The centralized agricultural tailwater treatment device according to claim 4 is characterized by: The connecting pipe (6) is made of stainless steel or polymer plastic.

6. The centralized agricultural tailwater treatment device according to claim 5 is characterized by: The inner walls of the pretreatment chamber (1), the pH value adjustment chamber (2), the oxidant addition chamber (3), the filtration chamber (4) and the storage chamber (5) are all coated with an anti-corrosion coating.

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