Phosphate fertilizer production wastewater treatment device

Abstract

The utility model discloses a phosphate fertilizer production wastewater treatment device which comprises a base, and the top of the base is fixedly connected with a treatment box. Through the cooperation of the base, the treatment box, the treatment opening, the supporting plate and the PH adjusting feeder, a proper amount of chemicals can be fed according to the pH value of wastewater, the PH value of the wastewater is adjusted, a proper chemical environment is created for subsequent treatment, the wastewater treatment effect is improved, and the stirring motor and the stirring blades are matched, so that the wastewater treatment effect is improved. According to the sewage treatment device, fed chemicals can be fully mixed with wastewater, sludge is conveniently discharged through cooperation of the settling tank, the flow guide channel, the supporting frame, the speed reduction motor and the sludge scraping plate, meanwhile, a flocculating agent is fed into the flocculating agent feeder, suspended solids in the wastewater are condensed into large particles, the settling process is accelerated, and then the precipitated wastewater is conveyed into the filtering drawer through the infusion pump; the filter screen can intercept larger solid particles, and the activated carbon plate can adsorb organic matters, peculiar smell and the like in water, so that the water quality is purified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wastewater treatment of phosphate fertilizer production, specifically to a wastewater treatment device for phosphate fertilizer production. BACKGROUND

[0002] The main components of the wastewater of phosphate fertilizer production include soluble phosphorus, fluoride and other impurities. The phosphorus in the wastewater mainly exists in the form of phosphate, and the fluoride exists in the form of fluoride. These substances form a high-concentration solution in the wastewater, which is acidic. If the phosphorus-containing wastewater is directly discharged, it will cause eutrophication of water bodies, promote the reproduction of algae and mold, and cause water pollution; the accumulation of fluoride will cause damage to the human skeleton.

[0003] ‌Currently, a large amount of wastewater with complex components is generated in the process of phosphate fertilizer production, which contains high concentrations of harmful substances such as phosphate, fluoride and heavy metal ions. If it is directly discharged, it will cause serious pollution to the environment. The existing phosphate fertilizer wastewater treatment device has the problems of single function, relatively independent treatment units, lack of effective synergy, low treatment efficiency, large amount of reagent consumption and high cost. The treatment process of some devices is not compact enough, resulting in a large occupied area. The automation level of some devices is low, and the treatment parameters cannot be adjusted in real time according to the wastewater quality, which makes it difficult to ensure stable treatment effect, thereby increasing the subsequent sludge treatment cost and environmental burden.

[0004] Therefore, it is necessary to provide a wastewater treatment device for phosphate fertilizer production to solve the above problems. SUMMARY

[0005] To solve the problems raised in the background art, the purpose of the utility model is to provide a wastewater treatment device for phosphate fertilizer production, which has the advantages of optimizing the device structure and treatment process, realizing efficient treatment of the wastewater of phosphate fertilizer production, improving the pollutant removal rate, reducing the operating cost, improving the automation level and operation convenience of the device, and solving the problems of single function, relatively independent treatment units, lack of effective synergy, low treatment efficiency, large amount of reagent consumption and high cost of the existing phosphate fertilizer wastewater treatment device.

[0006] To achieve the above object, the utility model provides following technical scheme: A wastewater treatment device of phosphate fertilizer production, including the base, the top of base is fixedly connected with processing box, the top of processing box is opened with processing mouth, the top of the inner wall of processing mouth is fixedly connected with the sediment tank, the top of the left side of sediment tank is fixedly connected with the supporting plate, the top of supporting plate center is fixedly connected with PH adjusting feeder, the bottom of the left side of sediment tank is opened with the flow guide channel, and the other end of flow guide channel extends to the top of the inner wall left side of sediment tank, the top of supporting plate is fixedly connected with stirring motor about PH adjusting unit symmetry, the output of stirring motor penetrates supporting plate and is fixedly connected with stirring shaft, the surface of stirring shaft is fixedly connected with stirring vane, the top of sediment tank is fixedly connected with support frame, the top of support frame is fixedly connected with speed reducer, the output of speed reducer penetrates support frame and is fixedly connected with connecting shaft, the bottom of connecting shaft is fixedly connected with the mud scraping plate, and the bottom of mud scraping plate is attached with the inner wall of sediment tank bottom, the top of support frame is fixedly connected with flocculating agent feeder, the top of support frame is fixedly connected with the liquid pump, and the input and output of liquid pump extend to the inside and right side of sediment tank respectively, the right side of processing box is connected with filter drawer symmetry, the bottom of two filter drawers is opened with even arrangement a plurality of liquid through -holes, the inside of two filter drawers is fixedly connected with filter screen and activated carbon plate respectively, and filter screen is located the upper of activated carbon plate.

[0007] As the utility model is preferred, the top of supporting plate is opened with recess, the recess is connected with detachable grid, the top of supporting plate is fixedly connected with flow guide plate.

[0008] As the utility model is preferred, the left side of sediment tank is fixedly connected with liquid level sensor and PH sensor respectively, and PH sensor is electrically connected with PH adjusting feeder.

[0009] As the utility model is preferred, the surface of stirring vane is opened with even arrangement a plurality of through -holes, and the bottom of stirring shaft is fixedly connected with stirring disc.

[0010] As the utility model is preferred, the inner wall of processing box is fixedly connected with ultraviolet light purification lamp symmetry, and ultraviolet light purification lamp is located the below of activated carbon plate.

[0011] As the utility model is preferred, the bottom of processing box right side is connected with drain pipe, and the bottom of the center of sediment tank is connected with blowdown.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. The utility model discloses a base, processing box, processing mouth, support plate and the cooperation of PH adjusting feeder, and the wastewater is entered the sedimentation tank through the processing mouth, and the PH adjusting feeder can according to the wastewater's pH degree and put in the appropriate reagent, and the PH value of wastewater is adjusted, creates the suitable chemical environment for the subsequent processing, improves the wastewater treatment effect, and the cooperation of stirring motor and stirring vane can make the reagent and wastewater fully mix, and the chemical reaction speed is accelerated, and through the cooperation of sedimentation tank, flow guide channel, support frame, speed reducer and mud scraper, the sludge that deposits in the bottom of sedimentation tank is scraped together, is convenient for discharging, simultaneously, the flocculating agent feeder puts in the flocculating agent, and the suspended solid in wastewater is condensed into larger particles, and the sedimentation process is accelerated, and then the liquid pump transports the wastewater after depositing to the filter drawer, and the filter screen can intercept larger solid particles, and the activated carbon plate can adsorb the organic matter, peculiar smell and the like in water, and water quality is further purified.

[0014] 2. The utility model discloses the setting of the grid can carry out the preliminary filtration to the wastewater that enters the sedimentation tank, intercepts larger sundries, prevents its from entering the subsequent processing link and causes the equipment block, through the setting of the deflector, can guide the flow of wastewater, prevents the wastewater from splashing to the support plate outside. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the local section solid schematic diagram of the structure of the utility model;

[0017] Figure 3 It is the solid schematic diagram of support frame, speed reducer and mud scraper of the utility model cooperation;

[0018] Figure 4 It is the solid schematic diagram of the grid of the utility model.

[0019] In the drawing: 1, base;2, processing box;3, processing mouth;4, sedimentation tank;5, support plate;6, PH adjusting feeder;7, flow guide channel;8, stirring motor;9, stirring vane;10, support frame;11, speed reducer;12, mud scraper;13, flocculating agent feeder;14, liquid pump;15, filter drawer;16, liquid passage hole;17, filter screen;18, activated carbon plate;19, grid;20, deflector;21, liquid level sensor;22, PH sensor;23, stirring disc;24, ultraviolet purification lamp. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] As Figures 1 to 4 shown, the utility model provides a kind of wastewater treatment device for phosphate production, including base 1, the top of base 1 is fixedly connected with treatment box 2, the top of treatment box 2 is equipped with processing port 3, the top of the inner wall of processing port 3 is fixedly connected with sediment tank 4, the top of the left side of sediment tank 4 is fixedly connected with support plate 5, the top of the center of support plate 5 is fixedly connected with PH adjusting feeder 6, the bottom of the left side of sediment tank 4 is equipped with flow guide channel 7, and the other end of flow guide channel 7 extends to the top of the inner wall left side of sediment tank 4, the top of support plate 5 is fixedly connected with stirring motor 8 about PH adjusting unit, the output end of stirring motor 8 penetrates support plate 5 and is fixedly connected with stirring shaft, the surface of stirring shaft is fixedly connected with stirring blade 9, the top of sediment tank 4 is fixedly connected with support frame 10, the top of support frame 10 is fixedly connected with speed reducer 11, the output end of speed reducer 11 penetrates support frame 10 and is fixedly connected with connecting shaft, the bottom of connecting shaft is fixedly connected with mud scraping plate 12, and the bottom of mud scraping plate 12 is attached to the inner wall of the bottom of sediment tank 4, the top of support frame 10 is fixedly connected with flocculating agent feeder 13, the top of support frame 10 is fixedly connected with liquid pump 14, and the input end and output end of liquid pump 14 extend to the inside and right side of sediment tank 4 respectively, the right side of treatment box 2 is symmetrically connected with filter drawer 15, the bottom of two filter drawers 15 is equipped with a plurality of evenly arranged liquid passage holes 16, the inside of two filter drawers 15 is fixedly connected with filter screen 17 and activated carbon plate 18 respectively, and filter screen 17 is above activated carbon plate 18, the inside of PH adjusting feeder 6 can be filled with sodium hydroxide medicament or potassium hydroxide medicament, to reach the effect of neutralizing high-acidity wastewater, and it can quickly adjust the PH value of phosphate wastewater to a suitable range.

[0022] Reference Figure 2 and Figure 4 , the top of support plate 5 is equipped with recess, the inside of recess is clamped with detachable grid 19, the top of support plate 5 is fixedly connected with flow guide plate 20.

[0023] As a technical optimization scheme of the utility model, through the setting of grid 19, the wastewater entering sediment tank 4 can be preliminarily filtered, and large impurities can be intercepted to prevent equipment blockage in subsequent processing links, through the setting of flow guide plate 20, the flow direction of wastewater can be guided to prevent wastewater from splashing out onto support plate 5.

[0024] Reference Figure 2 The left side of the sediment tank 4 is fixedly connected with a liquid level sensor 21 and a pH sensor 22 respectively, and the pH sensor 22 is electrically connected with the pH adjusting feeder 6.

[0025] As a technical optimization scheme of the utility model, through the setting of the liquid level sensor 21, the liquid level height in the sediment tank 4 can be monitored in real time, which provides reference for the operation of the equipment, through the electrical connection of the pH sensor 22 and the pH adjusting feeder 6, the pH value of the wastewater can be monitored in real time, and the pH adjusting feeder 6 is automatically controlled to discharge reagent according to the monitoring result, so that the wastewater pH value is accurately adjusted, and the stability of the treatment effect is ensured.

[0026] Reference Figure 2 The surface of the stirring blade 9 is provided with a plurality of uniformly arranged through holes, and the bottom of the stirring shaft is fixedly connected with a stirring disc 23.

[0027] As a technical optimization scheme of the utility model, through the setting of the through hole, the resistance during stirring can be reduced, the stirring is more smooth, the water flow can form turbulence at the same time, the stirring and mixing effect is enhanced, through the setting of the stirring disc 23, the stirring range and intensity are increased, the mixing degree of the reagent and the wastewater is further improved, and the chemical reaction is promoted.

[0028] Reference Figure 2 The inner wall of the treatment tank 2 is fixedly connected with ultraviolet purification lamps 24 in a symmetrical manner, and the ultraviolet purification lamps 24 are located below the activated carbon plate 18.

[0029] As a technical optimization scheme of the utility model, through the setting of the ultraviolet purification lamp 24, the wastewater treated by filtering and adsorption can be disinfected by ultraviolet rays, so that bacteria, viruses and other microorganisms in the water are killed, and the safety of the water quality is further improved.

[0030] Reference Figure 2 The bottom of the right side of the treatment tank 2 is communicated with a drain pipe, and the bottom of the center of the sediment tank 4 is communicated with a blowdown.

[0031] As a technical optimization scheme of the utility model, through the setting of the drain pipe, the treated wastewater meeting the standard can be conveniently discharged from the equipment, through the setting of the blowdown, the sludge deposited at the bottom can be discharged regularly, and the normal operation and treatment effect of the sediment tank 4 are ensured.

[0032] The working principle and use process of the utility model: when the wastewater treatment device is used to treat the wastewater generated in phosphate fertilizer production, the wastewater generated in phosphate fertilizer production flows into the sediment tank 4 from the treatment port 3, at this time, the liquid level sensor 21 on the left side of the sediment tank 4 monitors the liquid level height in the sediment tank 4 in real time, provides reference for the operation of the equipment, and ensures that the equipment normally works under the condition of appropriate liquid level. When the liquid level is too high or too low, the inflow amount of wastewater or the operation state of the equipment can be adjusted accordingly. Before entering the sediment tank 4, the wastewater will first pass through the grating 19 on the support plate 5, the grating 19 performs preliminary filtration on the wastewater, intercepts larger sundries, prevents the larger sundries from entering the subsequent treatment link and causing equipment blockage, at the same time, the flow guide plate 20 can guide the flow direction of the wastewater, prevents the wastewater from splashing outwards onto the support plate 5, at this time, the PH sensor 22 on the left side of the sediment tank 4 monitors the PH value of the wastewater in real time, and feeds back the data to the PH adjusting dosing device 6, according to the monitoring result, the PH adjusting dosing device 6 inputs appropriate reagent into the sediment tank 4, so as to adjust the PH value of the wastewater to the appropriate range, creates a good chemical environment for the subsequent treatment, at the same time, the stirring motor 8 is started to drive the stirring shaft and the stirring blade 9 to rotate, the through holes on the surface of the stirring blade 9 reduce the resistance during stirring, so that the stirring is more smooth, at the same time, the turbulent flow is formed, the stirring effect is enhanced, the stirring disc 23 at the bottom of the stirring shaft further expands the stirring range and intensity, so that the reagent and the wastewater are fully mixed, and the chemical reaction speed is accelerated, then the wastewater flows into the sediment tank 4 through the flow guide channel 7 for sedimentation treatment, at this time, the flocculant dosing device 13 inputs flocculant into the sediment tank 4, so that the suspended matters in the wastewater are coagulated into larger particles, and the sedimentation process is accelerated, and the speed reducer 11 drives the connecting shaft and the mud scraper 12 to rotate, the bottom of the mud scraper 12 is attached to the inner wall of the bottom of the sediment tank 4, so that the sludge deposited on the bottom is scraped together, so as to be discharged through the blowdown port at the bottom of the center of the sediment tank 4, when the wastewater in the sediment tank 4 is deposited to a certain degree, the liquid pump 14 is started, so that the supernatant after deposition is transported to the filter drawer 15 on the right side of the treatment tank 2, the wastewater first passes through the filter screen 17 in the filter drawer 15, the filter screen 17 intercepts larger solid particles, then the wastewater passes through the activated carbon plate 18 below, the activated carbon plate 18 adsorbs organic matters, peculiar smell and the like in the water, and further purifies the water quality, the liquid passage hole 16 at the bottom of the filter drawer 15 makes the filtered water flow into the lower part of the treatment tank 2 smoothly, finally, the ultraviolet purification lamp 24 performs ultraviolet disinfection on the wastewater after filtration and adsorption treatment, kills bacteria, viruses and other microorganisms in the water, and further improves the safety of the water quality, the wastewater after the above treatment is discharged from the equipment through the drain pipe at the bottom on the right side of the treatment tank 2.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment device for phosphate fertilizer production, comprising a base (1), characterized in that: A processing box (2) is fixedly connected to the top of the base (1). A processing port (3) is opened on the top of the processing box (2). A sedimentation box (4) is fixedly connected to the top of the inner wall of the processing port (3). A support plate (5) is fixedly connected to the top of the left side of the sedimentation box (4). A pH adjusting feeder (6) is fixedly connected to the top of the center of the support plate (5). A guide channel (7) is opened at the bottom of the left side of the sedimentation box (4), and the other end of the guide channel (7) extends to the top of the left side of the inner wall of the sedimentation box (4). A stirring motor (8) is fixedly connected symmetrically to the top of the support plate (5) about the pH adjusting unit. The output end of the stirring motor (8) passes through the support plate (5) and is fixedly connected to a stirring shaft. A stirring blade (9) is fixedly connected to the surface of the stirring shaft. A support frame (10) is fixedly connected to the top of the sedimentation box (4). The top of the support frame (10) is fixedly connected to the top of the sedimentation box (4). A geared motor (11) is connected, the output end of which passes through the support frame (10) and is fixedly connected to a connecting shaft. A scraper (12) is fixedly connected to the bottom of the connecting shaft, and the bottom of the scraper (12) is in contact with the inner wall of the bottom of the sedimentation tank (4). A flocculant dosing device (13) is fixedly connected to the top of the support frame (10), and a liquid pump (14) is fixedly connected to the top of the support frame (10). The input end and output end of the liquid pump (14) extend to the inside and right side of the sedimentation tank (4), respectively. A filter drawer (15) is symmetrically slidably connected to the right side of the treatment tank (2). Several evenly arranged liquid passage holes (16) are opened at the bottom of the two filter drawers (15). A filter screen (17) and an activated carbon plate (18) are fixedly connected to the inside of the two filter drawers (15), respectively, and the filter screen (17) is located above the activated carbon plate (18).

2. The wastewater treatment device for phosphate fertilizer production according to claim 1, characterized in that: The top of the support plate (5) is provided with a groove, and a detachable grille (19) is snapped into the inside of the groove. A guide plate (20) is fixedly connected to the top of the support plate (5).

3. The wastewater treatment device for phosphate fertilizer production according to claim 1, characterized in that: A liquid level sensor (21) and a pH sensor (22) are fixedly connected to the left side of the sedimentation tank (4), and the pH sensor (22) is electrically connected to the pH regulating feeder (6).

4. The wastewater treatment device for phosphate fertilizer production according to claim 1, characterized in that: The surface of the stirring blade (9) is provided with several uniformly arranged through holes, and the bottom of the stirring shaft is fixedly connected to the stirring plate (23).

5. The wastewater treatment device for phosphate fertilizer production according to claim 1, characterized in that: The inner wall of the treatment box (2) is symmetrically and fixedly connected with ultraviolet purification lamps (24), and the ultraviolet purification lamps (24) are located below the activated carbon plate (18).

6. The wastewater treatment device for phosphate fertilizer production according to claim 1, characterized in that: The bottom right side of the treatment tank (2) is connected to a drain pipe, and the bottom center of the sedimentation tank (4) is connected to a sewage outlet.

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