CN218974345U - Water quality monitoring device for wastewater treatment - Google Patents

Abstract

The utility model discloses a water quality monitoring device for wastewater treatment, which comprises a box body, an extraction mechanism, a temperature control mechanism, a filtering mechanism, a monitoring mechanism and a partition plate; the box body is fixed on the wastewater tank, and the extraction mechanism is communicated with the box body and the wastewater tank; the inside of the box body is divided into two parts by a baffle plate and a filtering mechanism, and the temperature control mechanism and the monitoring mechanism are respectively positioned in the box body at two sides of the filtering mechanism; the partition board is positioned in the box body at one side of the filtering mechanism, a pair of connecting pipes are arranged on the partition board, and an electromagnetic valve and a thermometer are arranged on the connecting pipes; the extraction mechanism comprises a water pump, a water guide pipe, a water inlet branch pipe, a telescopic pipe, an electric push rod, a rotary joint, a motor I, a water pipe and a fixing plate; the fixed plate is fixed on the top end of the wastewater tank, and the water pump and the motor I are both fixed on the fixed plate, and the water pipe is connected to the water pump. The utility model can regulate the water extracted from the wastewater pool to the optimal temperature, and can achieve the purpose of extracting water with different positions and different depths for monitoring.

Description

Water quality monitoring device for wastewater treatment

Technical Field

The utility model belongs to the technical field of water quality monitoring, and particularly relates to a water quality monitoring device for wastewater treatment.

Background

The industrial wastewater possibly contains heavy metal substances, strong acid and strong alkali substances and other toxic and harmful substances, and the industrial wastewater can be discharged after reaching the standard through detection; however, for detection of heavy metals and acid and alkali, detection is often required to be performed under a certain temperature condition to achieve the detection effect.

Through retrieval, chinese patent CN217639007U discloses an online water quality monitor for industrial production, which comprises a box body, wherein a partition plate is arranged in the middle of the box body to divide the box body into an upper cavity and a lower cavity, a data analyzer and a master controller are arranged in the upper cavity, a water quality detector is arranged in the lower cavity, the water quality detector is positioned at the lower side of the data analyzer and communicated with a conveying pipe, the water quality detector is positioned at the lower side of the master controller and communicated with a liquid discharge pipe, the water inlet end of the conveying pipe is communicated with a water inlet pipe, the water outlet end of the liquid discharge pipe is communicated with a water outlet, and a heater is arranged outside the conveying pipe and the liquid discharge pipe in a surrounding manner; the front part of the box body is provided with a box door and a fixed plate respectively on the side close to the water inlet pipe and the side close to the water outlet, the back part of the box body is movably provided with two wall hanging plates, the bottom parts of the wall hanging plates are connected with a supporting plate, and the box body is movably supported on the supporting plate; the following problems exist in the treatment process: the heater is arranged around the outer ring of the conveying pipe to adjust the temperature of the water body to reach an optimal monitoring state, and meanwhile, the infusion pipe is arranged to be inclined downwards along the flowing direction of the water body to increase the speed of water flow, but the water body cannot be sufficiently heated by the heater due to the fact that the water flow speed is high, and meanwhile, the water temperature monitor is not arranged in the device, so that the temperature of the water body cannot be determined to reach the optimal monitoring state; and part of industrial wastewater is in a high-temperature state, and even after the wastewater is purified, the water temperature can still be higher than the optimal monitoring state, so that the wastewater needs to be cooled.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a water quality monitoring device for wastewater treatment, which can regulate the water extracted from a wastewater tank to an optimal temperature and can achieve the purpose of extracting water with different positions and depths for monitoring.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a water quality monitoring device for wastewater treatment comprises a box body, an extraction mechanism, a temperature control mechanism, a filtering mechanism, a monitoring mechanism and a partition plate; the box body is fixed on the wastewater tank, and the extraction mechanism is communicated with the box body and the wastewater tank; the inside of the box body is divided into two parts by a baffle plate and a filtering mechanism, and the temperature control mechanism and the monitoring mechanism are respectively positioned in the box body at two sides of the filtering mechanism; the partition board is positioned in the box body at one side of the filtering mechanism, a pair of connecting pipes are arranged on the partition board, and an electromagnetic valve and a thermometer are arranged on the connecting pipes; firstly, extracting water in a wastewater tank into a tank body through an extracting mechanism, then heating or condensing the water in the tank body through a temperature control mechanism to enable the water temperature to reach the optimal state for monitoring, and filtering the water through a filtering mechanism; when the thermometer detects that the water temperature reaches the set value, a signal is transmitted to the electromagnetic valve, the electromagnetic valve is opened, and filtered water enters the monitoring mechanism through the connecting pipe to be monitored.

The extraction mechanism comprises a water pump, a water guide pipe, a water inlet branch pipe, a telescopic pipe, an electric push rod, a rotary joint, a motor I, a water pipe, a fixing plate and a sealing cover; the water pump and the motor I are both fixed on the fixing plate, the water pipe is connected to the water pump, and the rotary joint is connected to one end of the water pipe, which is close to the wastewater tank; one end of the water guide pipe is connected to the rotary joint, and the other end of the water guide pipe is provided with a telescopic pipe and a water inlet branch pipe; the telescopic pipe is movably connected inside the water guide pipe through a sealing gasket, and the water inlet branch pipe is fixed on the side wall of the water guide pipe; the output end of the motor I is provided with a bevel gear II, and one end of the water guide pipe connected with the rotary joint is provided with the bevel gear I which is in meshed connection with the bevel gear II; the sealing cover is fixed at the bottom end of the wastewater tank and corresponds to the telescopic pipe; the electric push rod is fixed at the bottom end of the fixed plate, and the output end of the electric push rod is connected with the telescopic pipe through the connecting plate; the water pump pumps the purified water in the wastewater tank into the water guide pipe and the water delivery pipe through the telescopic pipe or the water inlet branch pipe, and then enters the box body for monitoring; the electric push rod provides power to drive the telescopic pipe to move up and down, and when the telescopic pipe moves to the position above the water inlet branch pipe, the telescopic pipe blocks the water inlet branch pipe, so that water is fed by the telescopic pipe, and water with different depths is extracted for monitoring through the up and down movement of the telescopic pipe; when the telescopic pipe moves to the lower part of the water inlet branch pipe, the bottom end of the telescopic pipe enters the sealing cover, water is fed by the water inlet branch pipe, and meanwhile, the motor I provides power to drive the water guide pipe to rotate through the bevel gear I and the bevel gear II, and further the water inlet branch pipe is driven to rotate, so that the purpose of monitoring water at different positions is achieved.

The filtering mechanism comprises a filter screen, a support frame, a motor II, a rotating shaft, a rack, a cleaning brush, an oil cylinder and a support plate; the support frame is fixed at the top end of the box body, the filter screen is provided with a pair of inside of the box body which is arranged at one side of the partition board, the motor II is fixed at the top end of the support frame, the output end of the motor II is provided with a gear I, the rotating shaft is arranged on the support frame, the rotating shaft is provided with a gear II, and the gear I is in meshed connection with the gear II; the filter screen is provided with a pair of box bodies which are all arranged at one side of the partition board, the rack is provided with a pair of racks which are respectively connected with the pair of filter screens, and the racks are respectively meshed with the gear I and the gear II; the cleaning brush is positioned at one side of the filter screen and is contacted with the filter screen; the supporting plate is fixed at the top end of one side of the box body, the oil cylinder is fixed on the supporting plate, and the output end of the oil cylinder is connected with the cleaning brush; the top ends of the box bodies at the two sides of the filter screen are provided with ash collecting grooves; when the filter screen needs to be cleaned, the motor II provides power to drive the gear I and the gear II to rotate, further drive the rack and the filter screen to move up and down, and when the filter screen moves to the top end of the box body, the oil cylinder provides power to drive the cleaning brush to reciprocate, so that the effect of cleaning the filter screen is achieved, and the filter screen is driven to return to the original position by the motor II, the gear I, the gear II and the rack after cleaning; the service life of the filter screen can be prolonged.

The temperature control mechanism comprises a heating chamber and a condensing chamber, wherein a heating pipe and a condensing pipe are respectively arranged in the heating chamber and the condensing chamber, and the heating chamber and the condensing chamber are isolated by a heat insulation plate; one end of the water pipe, which is connected with the box body, is provided with a pair of branch pipes which are respectively connected with the heating chamber and the condensing chamber; the branch pipe is provided with an electromagnetic valve, the thermometer is fixed on the mounting plate, one end of the thermometer is connected inside the water pipe and is connected with the electromagnetic valve on the branch pipe through a lead; when the water is pumped into the water pipe by the pumping mechanism, the temperature detector monitors the water temperature, and when the water temperature is too high, the electromagnetic valve on the branch pipe connected with the condensing chamber is opened, so that the water enters the condensing chamber to be cooled; otherwise, the mixture enters a heating chamber for heating; thereby the water temperature reaches the optimal state of monitoring.

The monitoring mechanism comprises a monitoring chamber, a monitoring probe and an online water quality monitor; the monitoring chamber is positioned at one side of the partition board, the bottom of the monitoring chamber is provided with a water outlet pipe and a water return pipe, and one end of the water return pipe, which is far away from the monitoring chamber, is connected with the wastewater pool; the monitoring probe is located inside the monitoring room, and the online water quality monitor is fixed on the top of the box, and the model of the online water quality monitor is: k37, the online water quality monitor is one of environment-friendly data acquisition instruments, is a component in the prior art, and is obtained through private customization or purchase; the monitoring probe is connected with the online water quality monitor through a wire; the water in the wastewater tank is pumped into the box body through the extraction mechanism, and enters the monitoring chamber after being treated by the temperature control mechanism and the filtering mechanism, the monitoring probe monitors the water, and the monitored data is transmitted to the online water washing detector, so that the purpose of monitoring the water quality is achieved.

Compared with the prior art, the utility model has the beneficial effects that:

1) When the water is pumped into the water pipe by the pumping mechanism, the temperature detector monitors the water temperature, and when the water temperature is too high, the electromagnetic valve on the branch pipe connected with the condensing chamber is opened, so that the water enters the condensing chamber to be cooled; otherwise, the mixture enters a heating chamber for heating; thereby the water temperature reaches the optimal state of monitoring;

2) The water pump pumps the purified water in the wastewater tank into the water guide pipe and the water delivery pipe through the telescopic pipe or the water inlet branch pipe, and then enters the box body for monitoring; the electric push rod provides power to drive the telescopic pipe to move up and down, and when the telescopic pipe moves to the position above the water inlet branch pipe, the telescopic pipe blocks the water inlet branch pipe, so that water is fed by the telescopic pipe, and water with different depths is extracted for monitoring through the up and down movement of the telescopic pipe; when the telescopic pipe moves to the lower part of the water inlet branch pipe, the bottom end of the telescopic pipe enters the sealing cover, water is fed by the water inlet branch pipe, and meanwhile, the motor I provides power to drive the water guide pipe to rotate through the bevel gear I and the bevel gear II, and further the water inlet branch pipe is driven to rotate, so that the purpose of monitoring water at different positions is achieved.

Drawings

FIG. 1 is a schematic diagram of a water quality monitoring device for wastewater treatment according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the extraction mechanism in the water quality monitoring device for wastewater treatment according to the present utility model;

FIG. 3 is a schematic diagram showing the internal structure of a water quality monitoring apparatus for wastewater treatment according to the present utility model;

FIG. 4 is a schematic diagram of a filtering mechanism in a water quality monitoring apparatus for wastewater treatment according to the present utility model;

FIG. 5 is a schematic diagram showing the internal structure of a water quality monitoring apparatus for wastewater treatment according to the present utility model;

in the figure: 1. a case; 2. an extraction mechanism; 201. a water pump; 202. a water conduit; 2021. bevel gears I; 203. a water inlet branch pipe; 204. a telescopic tube; 205. an electric push rod; 206. a rotary joint; 207. a motor I; 2071. bevel gears II; 208. a water pipe; 209. a fixing plate; 210. sealing cover; 3. a temperature control mechanism; 301. a heating chamber; 3011. heating pipes; 302. a condensing chamber; 3021. a condensing tube; 303. a temperature measuring instrument; 304. a mounting plate; 305. a heat insulating plate; 4. a filtering mechanism; 401. a filter screen; 402. a support frame; 403. a motor II; 4031. a gear I; 404. a rotating shaft; 4041. a gear II; 405. a rack; 406. cleaning brushes; 407. an oil cylinder; 408. a support plate; 5. a monitoring mechanism; 501. a monitoring chamber; 5011. a water outlet pipe; 5012. a water return pipe; 502. monitoring a probe; 503. an on-line water quality monitor; 6. a partition plate; 601. and (5) connecting pipes.

Detailed Description

In order to facilitate understanding of those skilled in the art, the technical scheme of the present utility model will be further specifically described below with reference to fig. 1 to 5.

A water quality monitoring device for wastewater treatment comprises a box body 1, an extraction mechanism 2, a temperature control mechanism 3, a filtering mechanism 4, a monitoring mechanism 5 and a partition plate 6; the box body 1 is fixed on the wastewater tank, and the extraction mechanism 2 is communicated with the box body 1 and the wastewater tank; the inside of the box body 1 is divided into two parts by a baffle 6 and a filtering mechanism 4, and a temperature control mechanism 3 and a monitoring mechanism 5 are respectively positioned in the box body 1 at two sides of the filtering mechanism 4; the baffle plate 6 is positioned in the box body 1 at one side of the filtering mechanism 4, a pair of connecting pipes 601 are arranged on the baffle plate 6, an electromagnetic valve and a thermometer are arranged on the connecting pipes 601, the model of the thermometer is TM902C, and the thermometer is obtained through market purchase or private customization; firstly, extracting water in a wastewater tank into a tank body 1 through an extracting mechanism 2, then heating or condensing the water in the tank body 1 by a temperature control mechanism 3 to enable the water temperature to reach the optimal state for monitoring, and filtering the water through a filtering mechanism 4; when the thermometer detects that the water temperature reaches the set value, a signal is transmitted to the electromagnetic valve, the electromagnetic valve is opened, and filtered water enters the monitoring mechanism 5 through the connecting pipe for monitoring.

The extraction mechanism 2 comprises a water pump 201, a water guide pipe 202, a water inlet branch pipe 203, a telescopic pipe 204, an electric push rod 205, a rotary joint 206, a motor I207, a water guide pipe 208, a fixing plate 209 and a sealing cover 210; the fixing plate 209 is fixed at the top end of the wastewater tank, the water pump 201 and the motor I207 are both fixed on the fixing plate 209, the water pipe 208 is connected to the water pump 201, and the rotary joint 206 is connected to one end of the water pipe 208, which is close to the wastewater tank; one end of a water guide pipe 202 is connected to a rotary joint 206, and the other end is provided with a telescopic pipe 204 and a water inlet branch pipe 203; the telescopic pipe 204 is movably connected inside the water guide pipe 202 through a sealing gasket, and the water inlet branch pipe 203 is fixed on the side wall of the water guide pipe 202; the output end of the motor I207 is provided with a bevel gear II 2071, and one end of the water guide pipe 202 connected with the rotary joint 206 is provided with a bevel gear I2021, and the bevel gear I2021 is in meshed connection with the bevel gear II 2071; the sealing cover 210 is fixed at the bottom end of the wastewater tank and corresponds to the telescopic pipe 204; the electric push rod 205 is fixed at the bottom end of the fixed plate 209, and the output end of the electric push rod 205 is connected with the telescopic pipe 204 through a connecting plate; the water pump 201 pumps the purified water in the wastewater tank into the water guide pipe 202 and the water delivery pipe 208 through the telescopic pipe 204 or the water inlet branch pipe 203, and then enters the box body 1 for monitoring; the electric push rod 205 provides power to drive the telescopic pipe 204 to move up and down, when the telescopic pipe 204 moves to the position above the water inlet branch pipe 203, the telescopic pipe 204 blocks the water inlet branch pipe 203, so that water is fed by the telescopic pipe 204, and water with different depths is extracted for monitoring through the up and down movement of the telescopic pipe 204; when the telescopic pipe 204 moves to the lower part of the water inlet branch pipe 203, the bottom end of the telescopic pipe 204 enters the sealing cover, water is fed by the water inlet branch pipe 203, meanwhile, the motor I207 provides power to drive the water guide pipe 202 to rotate through the bevel gear I2021 and the bevel gear II 2071, and the water inlet branch pipe 203 is further driven to rotate, so that the purpose of pumping water at different positions for monitoring is achieved.

The filtering mechanism 4 comprises a filter screen 401, a support frame 402, a motor II 403, a rotating shaft 404, a rack 405, a cleaning brush 406, an oil cylinder 407 and a support plate 408; the support frame 402 is fixed at the top end of the box body 1, the filter screen 401 is provided with a pair of inside the box body 1 arranged at one side of the partition board 6, the motor II 403 is fixed at the top end of the support frame 402, the output end of the motor II 403 is provided with a gear I4031, the rotating shaft 404 is arranged on the support frame 402, the rotating shaft 404 is provided with a gear II 4041, and the gear I4031 is in meshed connection with the gear II 4041; the filter screen 401 is provided with a pair of inside the box body 1 which is arranged at one side of the partition plate 6, the rack 405 is provided with a pair of the filter screens 401, the filter screens are respectively connected with the pair of the filter screens 401, and the rack 405 is respectively meshed with the gear I4031 and the gear II 4041; the cleaning brush 406 is positioned on one side of the filter screen 401, and the cleaning brush 406 is contacted with the filter screen 401; the supporting plate 408 is fixed at the top end of one side of the box body 1, the oil cylinder 407 is fixed on the supporting plate 408, and the output end of the oil cylinder 407 is connected with the cleaning brush 406; the top end of the box body 1 at two sides of the filter screen 401 is provided with an ash collecting groove; when the filter screen 401 needs to be cleaned, the motor II 403 provides power to drive the gear I4031 and the gear II 4041 to rotate, the rack 405 and the filter screen 401 are further driven to move up and down, after the filter screen 401 moves to the top end of the box body 1, the oil cylinder 407 provides power to drive the cleaning brush 406 to reciprocate, so that the effect of cleaning the filter screen 401 is achieved, and after cleaning is finished, the motor II 403, the gear I4031, the gear II 4041 and the rack 405 drive the filter screen 401 to return to the original position; the service life of the filter screen 401 can be increased.

The temperature control mechanism 3 comprises a heating chamber 301 and a condensing chamber 302, wherein a heating pipe 3011 and a condensing pipe 3021 are respectively arranged in the heating chamber 301 and the condensing chamber 302, and the heating chamber 301 and the condensing chamber 302 are isolated by a heat insulation plate 305; one end of the water pipe 208 connected with the box body 1 is provided with a pair of branch pipes which are respectively connected with the heating chamber 301 and the condensing chamber 302; the branch pipe is provided with an electromagnetic valve, the mounting plate 304 is fixed at the top end of the box body 1, the thermometer 303 is fixed on the mounting plate 304, the model of the thermometer 303 is TM902C, and the thermometer is obtained through market purchase or private customization; one end of the thermometer 303 is connected in the main pipe of the water pipe 208 and is connected with an electromagnetic valve on a branch pipe through a lead, the type of the electromagnetic valve is DF-200F, and the electromagnetic valve is obtained through market purchase or private customization; when the extraction mechanism 2 extracts water into the water pipe 208, the thermometer 303 monitors the water temperature, and when the water temperature is too high, the electromagnetic valve on the branch pipe connected with the condensation chamber 302 is opened, so that the water enters the condensation chamber 302 for cooling; heating in the heating chamber 301 when the water temperature is too low; thereby the water temperature reaches the optimal state of monitoring.

The monitoring mechanism 5 comprises a monitoring chamber 501, a monitoring probe 502 and an online water quality monitor 503; the monitoring chamber 501 is positioned on one side of the partition board 6, a water outlet pipe 5011 and a water return pipe 5012 are arranged at the bottom of the monitoring chamber 501, and one end of the water return pipe 5012, which is far away from the monitoring chamber 501, is connected with a wastewater tank; the monitoring probe 502 is located inside the monitoring room, and the online water quality monitor 503 is fixed on the top of the box 1, and the model of the online water quality monitor 503 is: k37, the online water quality monitor 503 is one of environment-friendly data acquisition instruments, is a component in the prior art, and is obtained through private customization or purchase; the monitoring probe 502 is connected with the online water quality monitor 503 through a wire; the water in the wastewater tank is pumped into the box body 1 through the extraction mechanism 2, and enters the monitoring chamber 501 after being treated by the temperature control mechanism 3 and the filtering mechanism 4, the monitoring probe 502 monitors the water, and the monitored data is transmitted to the on-line water quality monitor 503, so that the purpose of monitoring the water quality is achieved.

A water quality monitoring device for wastewater treatment, the working process is as follows: firstly, a water pump pumps purified water in a wastewater tank into a water guide pipe and a water delivery pipe through a telescopic pipe or a water inlet branch pipe, and then enters a box body; the electric push rod provides power to drive the telescopic pipe to move up and down, and when the telescopic pipe moves to the position above the water inlet branch pipe, the telescopic pipe blocks the water inlet branch pipe, so that water is fed by the telescopic pipe, and water with different depths is extracted through the up and down movement of the telescopic pipe; when the telescopic pipe moves to the lower part of the water inlet branch pipe, the bottom end of the telescopic pipe enters the sealing cover, water is fed by the water inlet branch pipe, meanwhile, the motor I provides power to drive the water guide pipe to rotate through the bevel gear I and the bevel gear II, the water inlet branch pipe is further driven to rotate, water at different positions is extracted to enter the box body, then the temperature control mechanism heats or condenses the water in the box body, the water temperature reaches the optimal state for monitoring, and the water is filtered through the filtering mechanism; when the thermometer detects that the water temperature reaches the set value, a signal is transmitted to the electromagnetic valve, the electromagnetic valve is opened, and filtered water enters the monitoring mechanism through the connecting pipe to be monitored.

The above is merely an example and illustration of the structure of the present utility model, and the electrical components of the thermometer, the electromagnetic valve, the monitoring probe, the on-line water quality monitor, the motor i, the motor ii, the electric putter, etc. related to the present utility model are components in the prior art, and the electrical connection between the circuit components is conventional circuit connection in the prior art, which is not the protection scope of the present utility model.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (4)

1. A water quality monitoring device for wastewater treatment, a box body, an extraction mechanism, a temperature control mechanism, a filtering mechanism, a monitoring mechanism and a partition board; the device is characterized in that the box body is fixed on the wastewater tank, and the extraction mechanism is communicated with the box body and the wastewater tank; the inside of the box body is divided into two parts by a baffle plate and a filtering mechanism, and the temperature control mechanism and the monitoring mechanism are respectively positioned in the box body at two sides of the filtering mechanism; the partition board is positioned in the box body at one side of the filtering mechanism, a pair of connecting pipes are arranged on the partition board, and an electromagnetic valve and a thermometer are arranged on the connecting pipes;

the extraction mechanism comprises a water pump, a water guide pipe, a water inlet branch pipe, a telescopic pipe, an electric push rod, a rotary joint, a motor I, a water pipe, a fixing plate and a sealing cover; the water pump and the motor I are both fixed on the fixing plate, the water pipe is connected to the water pump, and the rotary joint is connected to one end of the water pipe, which is close to the wastewater tank; one end of the water guide pipe is connected to the rotary joint, and the other end of the water guide pipe is provided with a telescopic pipe and a water inlet branch pipe; the telescopic pipe is movably connected inside the water guide pipe through a sealing gasket, and the water inlet branch pipe is fixed on the side wall of the water guide pipe; the output end of the motor I is provided with a bevel gear II, and one end of the water guide pipe connected with the rotary joint is provided with the bevel gear I which is in meshed connection with the bevel gear II; the sealing cover is fixed at the bottom end of the wastewater tank and corresponds to the telescopic pipe; the electric push rod is fixed at the bottom end of the fixed plate, and the output end of the electric push rod is connected with the telescopic pipe through the connecting plate.

2. The water quality monitoring device for wastewater treatment according to claim 1, wherein the filtering mechanism comprises a filter screen, a support frame, a motor II, a rotating shaft, a rack, a cleaning brush, an oil cylinder and a support plate; the support frame is fixed on the top end of the box body, the filter screen is provided with a pair of inside of the box body which is arranged on one side of the partition board, the motor II is fixed on the top end of the support frame, the output end of the motor II is provided with a gear I, the rotating shaft is arranged on the support frame, the rotating shaft is provided with a gear II, and the gear I is in meshed connection with the gear II; the filter screen is provided with a pair of box bodies which are all arranged at one side of the partition board, the rack is provided with a pair of racks which are respectively connected with the pair of filter screens, and the racks are respectively meshed with the gear I and the gear II; the cleaning brush is positioned at one side of the filter screen and is contacted with the filter screen; the supporting plate is fixed at the top end of one side of the box body, the oil cylinder is fixed on the supporting plate, and the output end of the oil cylinder is connected with the cleaning brush; the top ends of the box bodies on the two sides of the filter screen are provided with ash collecting grooves.

3. The water quality monitoring device for wastewater treatment according to claim 1, wherein the temperature control mechanism comprises a heating chamber and a condensing chamber, wherein a heating pipe and a condensing pipe are respectively arranged in the heating chamber and the condensing chamber, and the heating chamber and the condensing chamber are isolated by a heat insulation plate; one end of the water pipe, which is connected with the box body, is provided with a pair of branch pipes which are respectively connected with the heating chamber and the condensing chamber; the branch pipe is provided with an electromagnetic valve, the thermometer is fixed on the mounting plate, one end of the thermometer is connected inside the water pipe and is connected with the electromagnetic valve on the branch pipe through a lead.

4. A water quality monitoring device for wastewater treatment according to claim 1, wherein the monitoring means comprises a monitoring chamber, a monitoring probe, an on-line water quality monitor; the monitoring chamber is positioned at one side of the partition board, the bottom of the monitoring chamber is provided with a water outlet pipe and a water return pipe, and one end of the water return pipe, which is far away from the monitoring chamber, is connected with the wastewater pool; the monitoring probe is positioned in the monitoring room, the online water quality monitor is fixed at the top end of the box body, and the monitoring probe is connected with the online water quality monitor through a wire.

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