CN210109108U

CN210109108U - Novel continuous intermittent type formula mud oxygen consumption respiratory rate survey device

Info

Publication number: CN210109108U
Application number: CN201920827556.6U
Authority: CN
Inventors: 刘冠宝
Original assignee: Jiangsu Fossing Energy Saving And Environmental Protection Co Ltd
Current assignee: Jiangsu Fossing Energy Saving And Environmental Protection Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-21
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a novel continuous intermittent type formula mud consumes oxygen respiration rate survey device, including controller, aeration tank and reaction tank all set up in one side of controller, and the aeration tank is towards the first fixed pipe of one side fixedly connected with of reaction tank, and the aeration tank side is close to the first connecting pipe of one side fixedly connected with of first fixed pipe, and the reaction tank is towards the fixed pipe of one side fixedly connected with second of aeration tank, the utility model relates to a waste water treatment technology field. This novel continuous intermittent type formula mud consumes oxygen respiration rate survey device can be with aeration oxygenation process and non-aeration reaction process fall into two independent processes, at the aeration tank, the mixed liquid of mud and sewage is aerated and is oxygenated to more than 4mg/L, carry to non-aeration reaction tank through the circulating pump, when DO 1's reading in the reaction tank falls to 2mg/L, record DO1 is along with the change of time, calculate the OUR value according to this, can on-line measuring, and real-time feedback, measuring error is little.

Description

Novel continuous intermittent type formula mud oxygen consumption respiratory rate survey device

Technical Field

The utility model relates to a waste water treatment technical field specifically is a novel continuous intermittent type formula mud consumes oxygen respiration rate survey device.

Background

The aerobic digestion of the sludge is to aerate the sludge for a long time under the condition of not adding other organic matters, so that microorganisms in the sludge are subjected to self-oxidation at the endogenous respiration stage, in the process, biodegradable components in cell substances are gradually oxidized into CO2, H2O and NH3, NH3 is further oxidized into nitrate ions, the short name of the specific oxygen consumption rate of SOUR activated sludge is an important index for evaluating the metabolic activity of the microorganisms in the sludge, the oxygen consumption respiration rate of the activated sludge is one of the most important parameters for representing the properties of the sludge, and the principle of an oxygen consumption respiration rate instrument is to calculate the respiration rate by measuring the change of the dissolved oxygen concentration by adopting a DO instrument.

The conventional OUR measuring instrument is used for off-line detection, has hysteresis, cannot perform on-line detection and real-time feedback, has large measurement error and cannot be used as an indicating parameter for long-term operation of the activated sludge process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel continuous intermittent type formula mud consumes oxygen respiration rate survey device has solved the instrument of current traditional survey OUR and has all off-line measuring, has the hysteresis quality, can not on-line measuring, real-time feedback, and measuring error is great moreover, can not regard as the problem of the instruction parameter of activated sludge process technology long-term running.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel continuous intermittent sludge oxygen consumption respiration rate measuring device comprises a controller, an aeration tank and a reaction tank, wherein the aeration tank and the reaction tank are arranged on one side of the controller, one side of the aeration tank, which faces the reaction tank, is fixedly connected with a first fixed pipe, one side of the side face of the aeration tank, which is close to the first fixed pipe, is fixedly connected with a first communicating pipe, one side of the reaction tank, which faces the aeration tank, is fixedly connected with a second fixed pipe, one side of the side face of the reaction tank, which is close to the second fixed pipe, is fixedly connected with a second communicating pipe, a three-way valve is fixedly connected between the first fixed pipe and the second fixed pipe, a circulating pump is fixedly connected between the first communicating pipe and the second communicating pipe, the lower surface of the three-way valve is fixedly connected with a water outlet pipe, the inner wall of the aeration tank is fixedly connected with a first DO water quality detector, and one side of the inner wall of, the upper surface fixed connection of reaction tank has the mount, the upper surface fixed connection of mount has the motor case, and the lower surface of mount rotates and is connected with the (mixing) shaft, the inside lateral wall fixedly connected with second DO water quality testing appearance of reaction tank.

Preferably, the side surface of the aeration tank is fixedly connected with a fan, an air outlet of the fan is fixedly connected with a connecting pipe, and one section of the connecting pipe, which is positioned inside the aeration tank, is positioned at the bottom end of the aeration tank.

Preferably, the connecting pipe is located one section of upper surface fixedly connected with air-out pipe in the aeration tank inside, air-out pipe is provided with the multiunit and is the horizontal form and arranges.

Preferably, the inside fixedly connected with motor of motor case, the output shaft and the (mixing) shaft fixed connection of motor, the outside of (mixing) shaft is rotated and is connected with the support frame, the one end and the mount fixed connection of (mixing) shaft are kept away from to the support frame.

Preferably, the output end of the controller is electrically connected with the input ends of the fan, the three-way valve, the circulating pump and the motor respectively.

Preferably, the output ends of the first DO water quality detector, the liquid level meter and the second DO water quality detector are electrically connected with the input end of the controller.

Advantageous effects

The utility model provides a novel continuous intermittent type formula mud consumes oxygen respiration rate survey device compares with current technique and possesses following beneficial effect: the novel continuous intermittent sludge oxygen consumption respiration rate measuring device is characterized in that a first DO water quality detector is fixedly connected to the inner wall of an aeration tank, a liquid level meter is fixedly connected to one side, close to the first DO water quality detector, of the inner wall of the aeration tank, a fixing frame is fixedly connected to the upper surface of a reaction tank, a motor box is fixedly connected to the upper surface of the fixing frame, a stirring shaft is rotatably connected to the lower surface of the fixing frame, a second DO water quality detector is fixedly connected to the inner side wall of the reaction tank, a three-way valve is fixedly connected between a first fixing pipe and a second fixing pipe, a circulating pump is fixedly connected between the first communicating pipe and a second communicating pipe, the aeration oxygenation process and the non-aeration reaction process can be divided into two independent processes, in the aeration tank, the mixed liquid of sludge and sewage is aerated and oxygenated to more than 4mg/L and is conveyed to the non-aeration reaction tank through the circulating pump, recording the change of DO1 along with time, calculating OUR value according to the change, can detect on line, and feedback in real time, and has small measurement error.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of an aeration tank according to the present invention;

fig. 3 is a cross-sectional view of the reaction tank of the present invention.

In the figure: 1. a controller; 2. an aeration tank; 3. a reaction tank; 4. a first stationary tube; 5. a second stationary tube; 6. a three-way valve; 7. a first communication pipe; 8. a second communicating pipe; 9. a circulation pump; 10. a water outlet pipe; 11. a fan; 12. a connecting pipe; 13. an air outlet pipe; 14. a fixed mount; 15. a motor case; 16. a stirring shaft; 17. a support frame; 18. a first DO water quality detector; 19. a liquid level meter; 20. a motor; 21. and a second DO water quality detector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel continuous intermittent sludge oxygen consumption respiration rate measuring device comprises a controller 1, an aeration tank 2 and a reaction tank 3, wherein the output end of the controller 1 is respectively electrically connected with the input ends of a fan 11, a three-way valve 6, a circulating pump 9 and a motor 20, the output ends of a first DO water quality detector 18, a liquid level instrument 19 and a second DO water quality detector 21 are respectively electrically connected with the input end of the controller 1, the aeration tank 2 and the reaction tank 3 are respectively arranged at one side of the controller 1, the side surface of the aeration tank 2 is fixedly connected with the fan 11, the air outlet of the fan 11 is fixedly connected with a connecting pipe 12, one section of the connecting pipe 12 inside the aeration tank 2 is positioned at the bottom end of the aeration tank 2, the upper surface of one section of the connecting pipe 12 inside the aeration tank 2 is fixedly connected with an air outlet pipe 13, the air outlet pipe 13 is provided with a plurality of groups and is arranged horizontally, one side of the aeration tank 2, a first communicating pipe 7 is fixedly connected to one side of the side surface of the aeration tank 2 close to the first fixed pipe 4, a second fixed pipe 5 is fixedly connected to one side of the reaction tank 3 facing the aeration tank 2, a second communicating pipe 8 is fixedly connected to one side of the side surface of the reaction tank 3 close to the second fixed pipe 5, a three-way valve 6 is fixedly connected between the first fixed pipe 4 and the second fixed pipe 5, a circulating pump 9 is fixedly connected between the first communicating pipe 7 and the second communicating pipe 8, a water outlet pipe 10 is fixedly connected to the lower surface of the three-way valve 6, a first DO water quality detector 18 is fixedly connected to the inner wall of the aeration tank 2, a liquid level instrument 19 is fixedly connected to one side of the inner wall of the aeration tank 2 close to the first DO water quality detector 18, the type of the liquid level instrument 19 can adopt a 316L type liquid level meter, a fixing frame 14 is fixedly connected to the upper surface of, the inside of the motor box 15 is fixedly connected with a motor 20, an output shaft of the motor 20 is fixedly connected with a stirring shaft 16, the outer side of the stirring shaft 16 is rotatably connected with a support frame 17, one end of the support frame 17 far away from the stirring shaft 16 is fixedly connected with a fixed frame 14, the lower surface of the fixed frame 14 is rotatably connected with the stirring shaft 16, the side wall inside the reaction tank 3 is fixedly connected with a second DO water quality detector 21, the models of the first DO water quality detector 18 and the second DO water quality detector 21 can both adopt an MIK-DO530 type water quality DO analyzer, the aeration oxygenation process and the non-aeration reaction process can be divided into two independent processes, the mixed liquid of sludge and sewage in an aeration tank is aerated and oxygenated to more than 4mg/L and is conveyed to the non-aeration reaction tank through a circulating pump, when the reading of DO1 in the reaction tank is reduced to 2mg/L, the change of DO, the online detection can be realized, the real-time feedback is realized, and the measurement error is small.

When the device works, when the OUR change process of single wastewater is measured, the three-way valve 6 is firstly communicated with the reaction tank 3 and the aeration tank 2, a water sample to be measured and sludge are mixed according to a certain proportion and then are put into the aeration tank 2, the control system is started to start aeration and the motor 20, when the DO1 reading in the aeration tank is more than 4mg/L, the circulating pump 9 is started, and the reaction tank 3 is filled with or replaces the mixed liquid in the reaction tank; when the DO2 reading in the reaction tank is lower than 2mg/L, recording the change of DO1 along with the time, and calculating the OUR value according to the change; then starting a circulating pump 9 to displace the mixed liquid in the reaction tank 3, and recording the change of DO1 along with the time when the DO2 reading in the reaction tank 3 is lower than 2mg/L, thereby calculating the OUR value; and circulating in sequence until the difference between the OUR value and the last measured value is within the error range, and stopping measuring.

When the OUR value of the mixed liquid is continuously measured, the three-way valve 6 is firstly communicated with the reaction tank 3 and the water outlet pipe 10, the control system is started to start aeration and the motor 20, the mixed liquid to be measured is continuously pumped into the aeration tank 2, when the DO1 reading in the aeration tank is larger than 4mg/L, the circulating pump 9 is started every short time, the reaction tank 3 is filled with or replaces the mixed liquid in the reaction tank, the change of DO1 in the starting time interval of the circulating pump 9 is recorded twice, and the OUR value is calculated according to the change.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a novel continuous intermittent type formula mud oxygen consumption respiratory rate survey device, includes controller (1), aeration tank (2) and reaction tank (3) all set up one side at controller (1), its characterized in that: aeration tank (2) are towards first fixed pipe (4) of one side fixedly connected with of reaction tank (3), and aeration tank (2) side is close to first communicating pipe (7) of one side fixedly connected with of first fixed pipe (4), reaction tank (3) are towards fixed pipe (5) of one side fixedly connected with second of aeration tank (2), and reaction tank (3) side is close to one side fixedly connected with second communicating pipe (8) of fixed pipe (5) of second, fixedly connected with three-way valve (6) between first fixed pipe (4) and the fixed pipe (5) of second, fixedly connected with circulating pump (9) between first communicating pipe (7) and second communicating pipe (8), the lower fixed surface of three-way valve (6) is connected with outlet pipe (10), the first DO water quality testing appearance (18) of inner wall fixedly connected with of aeration tank (2), and one side fixedly connected with liquid level appearance that aeration tank (2) inner wall is close to first DO water quality testing appearance (18) (19) The utility model discloses a reaction tank (3), the last fixed surface of reaction tank (3) is connected with mount (14), the last fixed surface of mount (14) is connected with motor case (15), and the lower surface of mount (14) rotates and is connected with (mixing) shaft (16), the inside lateral wall fixedly connected with second DO water quality testing appearance (21) of reaction tank (3).

2. The novel continuous intermittent sludge oxygen consumption respiration rate measuring device according to claim 1, characterized in that: the side fixedly connected with fan (11) of aeration tank (2), the air outlet fixedly connected with connecting pipe (12) of fan (11), connecting pipe (12) are located one section of aeration tank (2) inside and are in the bottom of aeration tank (2).

3. The novel continuous intermittent sludge oxygen consumption respiration rate measuring device according to claim 2, characterized in that: the connecting pipe (12) is located one section of the upper surface of the interior of the aeration tank (2) and is fixedly connected with an air outlet pipe (13), and the air outlet pipe (13) is provided with a plurality of groups and is arranged horizontally.

4. The novel continuous intermittent sludge oxygen consumption respiration rate measuring device according to claim 1, characterized in that: the inside fixedly connected with motor (20) of motor case (15), the output shaft and (mixing) shaft (16) fixed connection of motor (20), the outside of (mixing) shaft (16) is rotated and is connected with support frame (17), the one end and mount (14) fixed connection of (mixing) shaft (16) are kept away from in support frame (17).

5. The novel continuous intermittent sludge oxygen consumption respiration rate measuring device according to claim 1, characterized in that: the output end of the controller (1) is electrically connected with the input ends of the fan (11), the three-way valve (6), the circulating pump (9) and the motor (20) respectively.

6. The novel continuous intermittent sludge oxygen consumption respiration rate measuring device according to claim 1, characterized in that: the output ends of the first DO water quality detector (18), the liquid level meter (19) and the second DO water quality detector (21) are electrically connected with the input end of the controller (1).