CN220056582U

CN220056582U - Aquaculture wastewater treatment device

Info

Publication number: CN220056582U
Application number: CN202321415534.1U
Authority: CN
Inventors: 陈艳萍; 许建鹏; 李林冲; 段立文; 丁小平
Original assignee: Guangzhou Zhenda Environmental Protection Industry Co ltd
Current assignee: Guangzhou Zhenda Environmental Protection Industry Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-21
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses an aquaculture wastewater treatment device which comprises a water pump, a micro-filter and a photocatalysis assembly, wherein the water pump, the micro-filter and the photocatalysis assembly are sequentially communicated with a water pipeline, the photocatalysis assembly comprises a water tank with an opening at the top, an ultraviolet spot lamp and a photocatalyst screen plate, a cover plate is detachably connected to the top of the water tank, a water inlet and a water outlet are formed in the side wall of the water tank, the water outlet is close to the top of the water tank, flanges are arranged at the water inlet and the water outlet of the water tank and are used for connecting the water pipeline, the ultraviolet spot lamp is arranged in the water tank, guide rails are arranged at two opposite inner side walls of the water tank and extend in the vertical direction, and two opposite sides of the photocatalyst screen plate are respectively inserted into the guide rails at two opposite inner walls of the water tank. The utility model has the effect of improving the purification effect of the aquaculture wastewater treatment device.

Description

Aquaculture wastewater treatment device

Technical Field

The utility model relates to the field of wastewater treatment, in particular to an aquaculture wastewater treatment device.

Background

The existing aquaculture wastewater treatment methods comprise physical and chemical treatment methods and a biomembrane method, wherein the physical treatment method comprises ultraviolet sterilization, and the method has the advantages of small occupied area and stable effect.

The existing ultraviolet disinfection technology purifies ammonia nitrogen and hydrogen sulfide in sewage through the cooperation of ultraviolet lamps and photocatalysts, and the photocatalysts have a certain service life, but the existing general object containing photocatalysts is fixed in a sewage treatment device, so that the photocatalysts are inconvenient to replace, the catalytic reaction efficiency of the photocatalysts and ultraviolet rays in a water tank is reduced, and the purification effect of the aquaculture wastewater treatment device is reduced, so that improvement is needed.

Disclosure of Invention

The utility model provides an aquaculture wastewater treatment device in order to improve the purification effect of the aquaculture wastewater treatment device.

The utility model provides an aquaculture wastewater treatment device, which adopts the following technical scheme:

the utility model provides an aquaculture effluent treatment plant, includes suction pump, microfilter and photocatalysis subassembly, the suction pump the microfilter with photocatalysis subassembly has linked gradually conduit, photocatalysis subassembly includes open-top's water tank, ultraviolet spot lamp, photocatalyst otter board, the top of water tank can be dismantled and is connected with the apron, water inlet and delivery port have been seted up to the lateral wall of water tank, the delivery port is close to the top of water tank, flange is used for connecting conduit is all installed to the water inlet and the delivery port of water tank, ultraviolet spot lamp install in the water tank, the guide rail is all installed to two inside walls that the water tank is relative, two the guide rail all extends along vertical direction, photocatalyst otter board relative both sides are pegged graft respectively in the guide rail of two relative inner walls of water tank.

Through adopting above-mentioned technical scheme, the suction pump will wait to handle the water and take out to do preliminary filtration in the microfilter, and the water pump behind the preliminary filtration is in the water tank of photocatalytic assembly with the microfilter, adheres to the otter board with the photocatalyst, and the otter board is pegged graft in the guide rail, makes photocatalyst otter board be convenient for dismouting, changes the photocatalyst in the aquaculture effluent treatment plant promptly, makes photocatalyst and ultraviolet lamp in the effluent treatment plant last high-efficient catalytic reaction to improve aquaculture effluent treatment plant's purifying effect.

Preferably, an overflow weir is fixed on the inner side wall of the water outlet formed in the water tank, and the water outlet end of the overflow weir is communicated with the water outlet.

By adopting the technical scheme, the overflow weir ensures that floaters in the water tank are not easy to enter the water outlet from the lower part of the water outlet.

Preferably, the ultraviolet wave band generated by the ultraviolet spot lamp comprises 185nm wave band and 253.7nm wave band.

By adopting the technical scheme, 253.7nm wave bands are mainly used for sterilization and disinfection, VOCs molecules can be also photolyzed, and 185.0nm wave bands are mainly used for photolyzing the VOCs molecules.

Preferably, a high borosilicate glass layer is laid on the outer wall of the water tank.

By adopting the technical scheme, the high borosilicate glass isolates ultraviolet rays of the ultraviolet lamp so as to protect staff from sunburn caused by long-term irradiation.

Preferably, the side wall of the water tank is also provided with a drain outlet, and the water tank is provided with an electromagnetic valve for opening or closing the drain outlet.

By adopting the technical scheme, sediment is discharged from the side wall conveniently, the cover plate does not need to be opened for multiple times, and the discharge efficiency is improved.

Preferably, an acousto-optic prompter is arranged on the outer wall of the water tank, the acousto-optic prompter is coupled with a control circuit, the control circuit is used for controlling the acousto-optic prompter to be opened and closed, and the control circuit comprises a sludge thickness sensor, a comparison unit and a switch unit;

the sludge thickness sensor is fixed on the bottom wall of the water tank and is used for detecting the thickness of pollutants in the water tank and sending out detection signals;

the comparison unit is coupled to the sensor and is provided with a threshold signal VREF, so as to send out a comparison signal when the detection signal is greater than the threshold signal VREF; when the detection signal is smaller than the threshold signal VREF, a comparison signal is not sent out;

the switch unit is coupled to the comparison unit and is connected in series in the power supply loop of the acousto-optic prompter, so that the power supply loop of the acousto-optic prompter is conducted when a comparison signal is received, the acousto-optic prompter is started when a starting signal is received, the power supply loop of the acousto-optic prompter is disconnected when the comparison signal is not received, and the acousto-optic prompter is automatically closed when the comparison signal is not received.

By adopting the technical scheme, in the process that pollutants enter the water tank and are precipitated, the sludge thickness sensor monitors the sludge thickness of the water tank in real time, when the sludge thickness of the water tank is higher than a value set by the sludge thickness sensor, the detection signal is larger than a threshold signal VREF, the comparison unit sends a starting signal to the switch unit, the audible and visual indicator is started, when the detected sludge thickness is lower than the set value of the sludge thickness sensor, the detection signal is smaller than the threshold signal VREF, the comparison unit does not send a comparison signal, and the audible and visual indicator is not started; therefore, the situation in the water tank is not required to be frequently observed by workers, the workers are timely reminded through the audible and visual prompter, and sewage is discharged from the sludge or sediment in the water tank.

Preferably, the comparing unit includes a comparator N1, a first signal input end of the comparator N1 is coupled to the sludge thickness sensor, a second signal input end of the comparator N1 is connected to the threshold signal VREF, and a signal output end of the comparator N1 is coupled to the switching unit.

Through adopting above-mentioned technical scheme, comparator N1 is with the threshold value signal VREF of first signal input access detection signal and second signal input in real time and is compared and output the comparison signal, in time carries out the comparison of signal and then the switching unit output switch signal of first time control, realizes the comparison function to the size through comparator N1.

Preferably, the switching unit includes a transistor Q1, a base of the transistor Q1 is coupled to a signal output end of the comparator N1, an emitter of the transistor Q1 is coupled to the power voltage VCC, and a collector of the transistor Q1 is grounded.

By adopting the technical scheme, when the base electrode of the triode Q1 receives the comparison signal, the base electrode of the triode Q1 is converted from low level to high level, the triode Q1 is conducted and sends a switching signal to control the acousto-optic prompter to be opened; when the base electrode of the triode Q1 does not receive the comparison signal, the base electrode of the triode Q1 maintains a low level, the triode Q1 is not conducted, the acousto-optic prompter is kept off, and the function of sending a switching signal by the switching unit is realized.

Preferably, the switch unit further comprises a relay KM1, a coil of the relay KM1 is connected with a collector of the triode Q1 in series and then grounded, the relay KM1 comprises a normally open contact switch KM1-1, and the normally open contact switch KM1-1 is connected in series in a power supply loop of the audible and visual prompter.

By adopting the technical scheme, when the triode Q1 is conducted, the coil of the relay KM1 is electrified, the normally open contact switch KM1-1 is closed, and the power supply loop of the acousto-optic prompter is conducted; when the triode Q1 is disconnected, the coil of the relay KM1 is powered off, the normally open contact switch KM1-1 is disconnected again, and the power supply loop of the acousto-optic prompter is disconnected, so that the function of controlling the acousto-optic prompter to be powered off is realized.

Preferably, the solenoid valve is coupled with a timing switch.

By adopting the technical scheme, the on-off interval of the timing switch is set to control the interval time between the two starts of the electromagnetic valve, and the timing switch can set the single-time energization time length, so that the single-time energization working time of the electromagnetic valve is controlled, and the functions of the timing switch and the fixed working time length are realized.

By adopting the technical proposal, the utility model has the advantages that,

in summary, the present utility model includes at least one of the following beneficial technical effects:

1. the photocatalyst is attached to the screen plate, and the screen plate is inserted into the guide rail, so that the photocatalyst screen plate is convenient to disassemble and assemble, namely, the photocatalyst in the aquaculture wastewater treatment device is replaced, and the photocatalyst in the wastewater treatment device continuously works, so that the purification effect of the aquaculture wastewater treatment device is improved;

2. the condition in the water tank is not required to be observed frequently by workers, the workers are reminded in time through the audible and visual prompter, and sewage disposal is carried out on sludge or sediment in the water tank;

3. the device integrates the functions of filtration, organic matter degradation, disinfection and sterilization, and has the advantages of small occupied area, compact flow and stable effect.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a front view of the overall structure of the photocatalytic assembly according to an embodiment of the present utility model.

Fig. 3 is a top view of the overall structure of a photocatalytic assembly according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view A-A of fig. 3 in an embodiment of the utility model.

Fig. 5 is a B-B cross-sectional view of fig. 3 in an embodiment of the utility model.

Fig. 6 is a circuit diagram of a control circuit in an embodiment of the utility model.

Reference numerals illustrate:

1. a water tank; 2. a cover plate; 3. locking; 4. a water inlet; 5. a water outlet; 6. a flange; 7. a sewage outlet; 8. an electromagnetic valve; 9. an acousto-optic prompter; 10. an electric wire port; 11. a photocatalyst screen plate; 12. a limiting plate; 13. an ultraviolet spot light; 14. a steel plate; 15. an overflow weir; 16. a sludge thickness sensor; 17. a comparison unit; 18. a switching unit; 19. a guide rail; 20. a water pump; 21. a micro-filter; 22. a photocatalytic assembly; 23. and a water pipe.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses an aquaculture wastewater treatment device. Referring to fig. 1, an aquaculture wastewater treatment device comprises a water pump 20, a micro-filter 21 and a photocatalysis assembly 22, wherein the water pump 20, the micro-filter 21 and the photocatalysis assembly 22 are sequentially communicated with a water pipeline 23, the water pump 20 pumps a water body to be treated into the micro-filter 21 for preliminary filtration, and the micro-filter 21 pumps the water body after preliminary filtration into the photocatalysis assembly.

Referring to fig. 2 and 3, the photocatalysis assembly 22 comprises a water tank 1 with an open top, a detachable cover plate 2 is arranged on the top cover of the water tank 1, four lock catches 3 are detachably fixed between the cover plate 2 and the water tank 1, when the cover plate 2 covers the top of the water tank 1, the lock catches 3 fix the cover plate 2, a water inlet 4 and a water outlet 5 are arranged on the side wall of the water tank 1, the water inlet 4 and the water outlet 5 of the water tank 1 are close to the bottom of the water tank 1, a flange 6 is arranged on the water inlet 4 and the water outlet 5 of the water tank 1 and is used for connecting a water pipe 23, a drain outlet 7 and an electric wire opening 10 are further arranged on the side wall of the water tank 1, the drain outlet 7 is close to the bottom of the water tank 1, an electromagnetic valve 8 for opening or closing the drain outlet 7 is arranged on the water tank 1, the electromagnetic valve is coupled with a time switch (not shown in the figure), the time interval between the two starts of the electromagnetic valve is controlled by setting the on-off interval of the time switch, and the time switch can be set to be in a single-time power-on time, the time of the electromagnetic valve is controlled, the single-on time of the electromagnetic valve is realized, the function of the time switch and the work is fixed, the electric wire opening 10 is close to the top of the water tank 1 is used for accessing a cable, the water tank 1, the outside wall 9 of the water tank 1 is close to the top, the sound-light 9 is close to the top of the sound-light device, and the sound-light device 9 is not shown in the top, and the top is not shown in the top of the water tank 1, and has a high-level layer, and is shown in the figure.

Referring to fig. 4 and 5, the photocatalytic assembly 22 further includes an ultraviolet spot lamp 13 and two vertically disposed photocatalyst screen plates 11, the ultraviolet wave band generated by the ultraviolet spot lamp 13 includes 185nm wave band and 253.7nm wave band, in the embodiment of the present utility model, the ultraviolet spot lamp 13 is a rectangular annular ultraviolet tube, the water tank 1 is fixed with a steel plate 14, the steel plate 14 is fixedly connected with the ultraviolet spot lamp 13, four limiting plates 12 are installed on two opposite inner side walls of the water tank 1, the four limiting plates 12 on the same side inner wall of the water tank 1 are combined two by two, a gap is left between the limiting plates 12 arranged in two combinations to form a guide rail 19, and two opposite sides of the guide rail 19 extending along the vertical direction of the photocatalyst screen plates 11 are respectively inserted into the guide rails 19 on two opposite inner walls of the water tank 1, so that the photocatalyst screen plates 11 are convenient to disassemble and replace, the inner side wall of the water tank 1 provided with a water outlet 5 is fixed with an overflow weir 15, and the water outlet end of the overflow weir 15 is communicated with the water outlet 5.

Referring to fig. 2 and 6, the acousto-optic cue 9 is coupled with a control circuit for controlling the acousto-optic cue 9 to be opened or closed, the control circuit including a sludge thickness sensor 16, a comparing unit 17 and a switching unit 18. The sludge thickness sensor 16 is fixed at the bottom wall of the water tank 1, and the sludge thickness sensor 16 is used for detecting the thickness of sludge and sediment at the bottom of the water tank 1 and sending out detection signals.

Referring to fig. 6, the comparison unit 17 is coupled to the sludge thickness sensor 16 and is provided with a threshold signal VREF to emit a comparison signal when the detection signal is greater than the threshold signal; the comparing unit 17 includes a comparator N1, wherein a first signal input end of the comparator N1 is a normal phase input end, the normal phase input end is simultaneously coupled to the sludge thickness sensor 16, a second signal input end of the comparator N1 is an inverted input end, the inverted input end is connected to the threshold signal VREF, and a signal output end of the comparator N1 is coupled to the switch unit 18.

Referring to fig. 6, the switch unit 18 is coupled to the comparing unit 17 and is connected in series in the power supply circuit of the acousto-optic indicator 9, so that when the switch unit 18 receives the comparing signal, the power supply circuit of the acousto-optic indicator 9 is turned on, the acousto-optic indicator 9 is started when receiving the starting signal, and when not receiving the comparing signal, the power supply circuit of the acousto-optic indicator 9 is disconnected, and when not receiving the comparing signal, the acousto-optic indicator 9 is automatically turned off; the switch unit 18 includes a PNP-type triode Q1 and a relay KM1, where a base electrode of the triode Q1 is coupled to a signal output end of the comparator N1, an emitter electrode of the triode Q1 is coupled to a power supply voltage VCC, a collector electrode of the triode Q1 is connected in series with a coil of the relay KM1 and then grounded, the relay KM1 includes a normally open contact switch KM1-1, and the normally open contact switch KM1-1 is connected in series in a power supply loop of the audible and visual indicator 9.

The implementation principle of the aquaculture wastewater treatment device provided by the embodiment of the utility model is as follows: the device wholly comprises a water suction pump, a micro-filter and a photocatalysis component, wherein the water suction pump 20 pumps water to be treated into the micro-filter 21 for preliminary filtration, the micro-filter plays a role in filtering the water, the micro-filter 21 pumps the water after preliminary filtration into the photocatalysis component, the photocatalysis component degrades organic matters in the water and disinfects the water, in the device, the water suction pump plays a role in extracting the water, the micro-filter plays a role in filtering, and the photocatalysis component plays a role in explaining the organic matters and killing viruses in the water.

Wherein attach photocatalyst to the otter board, and photocatalyst otter board 11 peg graft in guide rail 19, make photocatalyst otter board 11 be convenient for the dismouting, change the photocatalyst in the aquaculture effluent treatment plant promptly, make photocatalyst and ultraviolet lamp in the effluent treatment plant last high-efficient catalytic reaction to improve aquaculture effluent treatment plant's purifying effect.

In the process that pollutants enter the water tank 1 and are precipitated, the sludge thickness sensor 16 monitors the sludge thickness of the water tank 1 in real time, when the sludge thickness of the water tank 1 is higher than a value set by the sludge thickness sensor 16, the detection signal is larger than a threshold signal VREF at the moment, the comparison unit 17 sends a starting signal to the switch unit 18, the audible and visual indicator 9 is started, when the detection signal is lower than a set value of the sludge thickness sensor 16, the detection signal is smaller than the threshold signal VREF, the comparison unit 17 does not send a comparison signal, and the audible and visual indicator 9 is not started; therefore, the situation in the water tank 1 is not required to be observed frequently by workers, the workers are reminded in time through the audible and visual prompter 9, and sewage disposal is carried out on sludge or sediment in the water tank 1.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides an aquaculture effluent treatment plant, includes suction pump (20) and micro-filtration machine (21), its characterized in that still includes photocatalysis subassembly (22), suction pump (20) micro-filtration machine (21) with photocatalysis subassembly (22) communicate in proper order has conduit (23), photocatalysis subassembly (22) are including open-top's water tank (1), ultraviolet spot lamp (13), photocatalyst otter board (11), be connected with apron (2) in the top of water tank (1) can be dismantled, water inlet (4) and delivery port (5) have been seted up to the lateral wall of water tank (1), delivery port (5) are close to the top of water tank (1), flange (6) are all installed in water inlet (4) and delivery port (5) of water tank (1) are used for connecting conduit (23), ultraviolet ray (13) install in water tank (1), guide rail (19) are all installed to two inside walls that water tank (1) are relative, two guide rail (19) all extend along vertical direction, photocatalyst otter board (11) are relative in two inside walls of water tank (19) are pegged graft relatively.

2. An aquaculture wastewater treatment device according to claim 1, characterized in that an overflow weir (15) is fixed on the inner side wall of the water tank (1) provided with the water outlet (5), and the water outlet end of the overflow weir (15) is communicated with the water outlet (5).

3. An aquaculture wastewater treatment apparatus according to claim 1, characterized in that the ultraviolet radiation (13) generates ultraviolet radiation in the wavelength bands of 185nm and 253.7 nm.

4. An aquaculture wastewater treatment device according to claim 1, characterized in that the outer wall of the tank (1) is laid with a high borosilicate glass layer.

5. An aquaculture wastewater treatment device according to claim 1, characterized in that the side wall of the water tank (1) is further provided with a drain outlet (7), and the water tank (1) is provided with a solenoid valve (8) for opening or closing the drain outlet (7).

6. An aquaculture wastewater treatment device according to claim 1, characterized in that an acousto-optic cue (9) is mounted on the outer wall of the water tank (1), the acousto-optic cue (9) is coupled with a control circuit, the control circuit is used for controlling the acousto-optic cue (9) to be opened and closed, and the control circuit comprises a sludge thickness sensor (16), a comparison unit (17) and a switch unit (18);

the sludge thickness sensor (16) is fixed on the bottom wall of the water tank (1) and is used for detecting the thickness of pollutants in the water tank (1) and sending out detection signals;

the comparison unit (17) is coupled to the sensor and is provided with a threshold signal VREF to send out a comparison signal when the detection signal is greater than the threshold signal VREF; when the detection signal is smaller than the threshold signal VREF, a comparison signal is not sent out;

the switch unit (18) is coupled to the comparing unit (17) and is connected in series in the power supply loop of the acousto-optic indicator (9) so as to be used for conducting the power supply loop of the acousto-optic indicator (9) when a comparison signal is received, the acousto-optic indicator (9) is started when a starting signal is received, and is used for disconnecting the power supply loop of the acousto-optic indicator (9) when the comparison signal is not received, and the acousto-optic indicator (9) is automatically closed when the comparison signal is not received.

7. An aquaculture wastewater treatment device according to claim 6, characterized in that the comparison unit (17) comprises a comparator (N1), a first signal input of the comparator (N1) being coupled to the sludge thickness sensor (16), a second signal input of the comparator (N1) being connected to the threshold signal VREF, and a signal output of the comparator (N1) being coupled to the switching unit (18).

8. An aquaculture wastewater treatment device according to claim 7, characterized in that the switching unit (18) comprises a transistor (Q1), a base of the transistor (Q1) being coupled to a signal output of the comparator (N1), an emitter of the transistor (Q1) being coupled to a supply voltage VCC, a collector of the transistor (Q1) being grounded.

9. An aquaculture wastewater treatment device according to claim 8, characterized in that the switching unit (18) further comprises a relay (KM 1), the coil of the relay (KM 1) is connected in series with the collector of the triode (Q1) and then grounded, the relay (KM 1) comprises a normally open contact switch (KM 1-1), and the normally open contact switch (KM 1-1) is connected in series in the power supply loop of the audible and visual annunciator (9).

10. An aquaculture wastewater treatment apparatus according to claim 5 wherein the solenoid valve is coupled with a timing switch.