CN211677670U

CN211677670U - Get rid of online liquid COD mechanism

Info

Publication number: CN211677670U
Application number: CN201922464133.5U
Authority: CN
Inventors: 郭宏宏; 翟冲宇
Original assignee: Tianjin Uchuan Environmental Protection & Technology Co ltd
Current assignee: Tianjin Uchuan Environmental Protection & Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model aims at providing a get rid of online liquid COD mechanism, its characterized in that: the device consists of a first reaction tank, a first reaction tank output pipe, a second reaction tank output pipe, a third reaction tank output pipe, an evaporation detection device, a detection return pipe, an evaporation output pipe, a fourth reaction cabin pressure pump, a fourth reaction cabin output pipe and a finished product on-line liquid storage tank; whole processing system structure thinking is clear, easy operation is convenient, totally enclosed connects the process that makes reaction processing safe and reliable more, adopt multiple retort successive layer series connection cooperation to use, can thoroughly get rid of the chemical oxygen demand in online liquid, thereby improve and promote online liquid service quality's the online liquid COD mechanism of getting rid of, establish ties through a series of pipelines, and then form one set of complete system of processing, the reaction can gradually accomplish thoroughly getting rid of online liquid COD step by step, the reaction process is more careful.

Description

Get rid of online liquid COD mechanism

Technical Field

The utility model relates to a online liquid field of use of major cycle especially relates to a get rid of online liquid COD mechanism.

Background

The on-line liquid is a very important liquid used in a large circulation mechanism, is generally used in system equipment and is applied to various fields, most of the on-line liquids are mainly used in on-line cutting equipment, when the on-line liquid is used, the COD (chemical oxygen demand) is high, the COD is the English abbreviation of chemical oxygen demand, if the on-line liquid contains more oxygen elements, the on-line liquid can be subjected to oxidation reaction with a medium during operation, so that the processing quality and the production quality are affected, at present, the mode of reducing and removing the COD of the on-line liquid is basically completed by adopting a catalytic oxidation method, the oxidation reduction reaction is carried out on the on-line liquid by using an oxidant, so that reducing substances and organic pollutants in the on-line liquid are generated into harmless micromolecules, and the main principle of reducing the COD by the traditional chemical oxidation method is that the catalytic oxidation method comprises a photocatalytic oxidation method, The method comprises an electrocatalytic oxidation method, a chemical catalytic oxidation method and the like, wherein the photocatalytic oxidation method and the electrocatalytic oxidation method have high input cost, are difficult to perform subsequent maintenance if not used by professionals, have relatively mild conditions, and have relatively high COD removal efficiency at normal temperature and normal pressure, so the method is relatively widely applied in the modern industrial production process; the existing equipment for removing the on-line liquid COD is simple in structure, basically adopts a single catalysis mode or a single-stage catalysis mode to complete the removal, generally can reduce the on-line liquid COD after the catalytic reaction of the equipment, but cannot achieve the aim of completely removing the COD, and cannot ensure the stable state of the on-line liquid in the subsequent use, so the existing on-line liquid COD removing facility needs to be improved and upgraded to solve the problems and effectively remove the on-line liquid COD.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adopt multiple retort successive layer series connection cooperation to use, can thoroughly get rid of the chemical oxygen demand in online liquid to improve and promote online liquid quality of use's online liquid COD mechanism of getting rid of.

The technical scheme of the utility model is that: the utility model provides a get rid of online liquid COD mechanism which characterized in that: comprises a first reaction tank, a first reaction tank output pipe, a second reaction tank output pipe, a third reaction tank output pipe, an evaporation detection device, a detection return pipe, an evaporation output pipe, a fourth reaction tank pressure pump, a fourth reaction tank output pipe and a finished product online liquid storage tank, wherein the first reaction tank is further provided with an online liquid conveying pipe and a first reaction material valve, the online liquid conveying pipe is positioned at the top of the first reaction tank, the online liquid conveying pipe is fixedly connected with the first reaction tank, the first reaction material valve is positioned at one side of the first reaction tank, the first reaction material valve is fixedly connected with the first reaction tank, the first reaction tank output pipe is positioned at the bottom of the first reaction tank, one end of the first reaction tank output pipe is fixedly connected with the first reaction tank, the other end of the first reaction tank output pipe is fixedly connected with the second reaction tank, the first reaction tank output pipe is also provided with a first reaction tank pressure pump, the first reaction tank pressure pump is positioned in the middle of the first reaction tank output pipe, the first reaction tank pressure pump is fixedly connected with the first reaction tank output pipe, the second reaction tank is positioned at the lower stage of the first reaction tank, the second reaction tank is fixedly connected with the first reaction tank by utilizing the first reaction tank output pipe, the second reaction tank is also provided with a second reaction material filling port and a second reaction material valve, the second reaction material filling port is positioned at the top of the second reaction tank, the second reaction material filling port is fixedly connected with the second reaction tank, the second reaction material valve is positioned at the connecting position of the second reaction tank and the first reaction tank output pipe, one end of the second reaction material valve is fixedly connected with the second reaction tank, and the other end of the second reaction material valve is fixedly connected with the first reaction tank output pipe, the second reaction tank output pipe is positioned at the bottom of the second reaction tank, one end of the second reaction tank output pipe is fixedly connected with the second reaction tank, the other end of the second reaction tank output pipe is fixedly connected with the third reaction tank, the second reaction tank output pipe is also provided with a second reaction tank pressure pump, the second reaction tank pressure pump is positioned in the middle of the second reaction tank output pipe, the second reaction tank pressure pump is fixedly connected with the second reaction tank output pipe, the third reaction tank is positioned at the next stage of the second reaction tank, the third reaction tank is fixedly connected with the second reaction tank by utilizing the second reaction tank output pipe, the third reaction tank is also provided with a third reaction material port and a third reaction material filling valve, the third reaction material port is positioned at the top of the third reaction tank, and the third reaction material filling port is fixedly connected with the third reaction tank, the third reaction material valve is positioned at the connecting position of a third reaction tank and an output pipe of a second reaction tank, one end of the third reaction material valve is fixedly connected with the third reaction tank, the other end of the third reaction material valve is fixedly connected with the output pipe of the second reaction tank, the output pipe of the third reaction tank is positioned at one side of the third reaction tank, one end of the output pipe of the third reaction tank is fixedly connected with the third reaction tank, the other end of the output pipe of the third reaction tank is fixedly connected with the evaporation detection device, the evaporation detection device is positioned at the next stage of the third reaction tank, the evaporation detection device utilizes the output pipe of the third reaction tank to be fixedly connected with the third reaction tank, the detection backflow pipe is positioned at the upper part of the evaporation detection device, one end of the detection backflow pipe is fixedly connected with the evaporation detection device, and the other end of the detection backflow pipe is fixedly connected with the third reaction tank, the evaporation output pipe is positioned on the other side of the evaporation detection device, one end of the evaporation output pipe is fixedly connected with the evaporation detection device, the other end of the evaporation output pipe is fixedly connected with a fourth reaction chamber, the fourth reaction chamber is positioned at the next stage of the evaporation detection device, the evaporation output pipe and the evaporation detection device are fixedly connected in the fourth reaction chamber, a fourth reaction chamber pressure pump is positioned at the upper part of the fourth reaction chamber, the fourth reaction chamber pressure pump is fixedly connected with the fourth reaction chamber, the fourth reaction chamber output pipe is positioned at the upper part of the fourth reaction chamber pressure pump, one end of the fourth reaction chamber output pipe is fixedly connected with the fourth reaction chamber pressure pump, the other end of the fourth reaction chamber output pipe is fixedly connected with the finished product on-line liquid storage tank, and the finished product on-line liquid storage tank is positioned at the next stage of the fourth reaction chamber, the finished product on-line liquid storage tank is fixedly connected with the fourth reaction cabin through a fourth reaction cabin output pipe, a finished product on-line liquid shutoff valve is further arranged on the finished product on-line liquid storage tank and is located at the connecting position of the finished product on-line liquid storage tank and the fourth reaction cabin output pipe, one end of the finished product on-line liquid shutoff valve is fixedly connected with the finished product on-line liquid storage tank, and the other end of the finished product on-line liquid shutoff valve is fixedly connected with the fourth reaction cabin output pipe.

Further, the first reaction tank is a hydrogen peroxide reaction tank.

Further, the first reaction material valve, the second reaction material valve, the third reaction material valve and the finished product on-line liquid shutoff valve are all manual rotary ball valves.

Further, the second reaction tank is an ozone reaction tank.

Further, the third reaction tank is a chlorine-based oxidant reaction tank.

Further, the evaporation detection device is a double-valve evaporation heating device with an online liquid concentration monitor.

Further, the detection return pipe is a multi-channel bus pipe group.

Further, the fourth reaction cabin is a potassium permanganate high-temperature reaction cabin.

Further, the fourth reaction cabin pressure pump is a liquid pressure delivery pump with an air cooling device.

The beneficial effects of the utility model reside in that: the mechanism is an online liquid COD removing mechanism which adopts multiple reaction tanks connected in series layer by layer and matched for use and can thoroughly remove the chemical oxygen demand in online liquid, thereby improving the use quality of the online liquid, and is connected in series through a series of pipelines to form a complete processing system, when in use, the online liquid finishes removing the online liquid COD, namely the chemical oxygen demand in the online liquid through the series step-by-step reaction, the first reaction tank adopts a hydrogen peroxide reaction tank, so that the online liquid and the hydrogen peroxide are subjected to sealed reaction at normal temperature to remove the online liquid COD and achieve the purpose of primary removal reaction, the second reaction tank adopts an ozone reaction tank to perform normal-temperature sealed reaction to continue removing the online liquid COD and achieve the purpose of secondary removal reaction, the third reaction tank adopts a chlorine oxidant reaction tank, so that the online liquid after the secondary reaction and the chlorine oxidant fully react at normal temperature, the evaporation detection device adopts double-valve evaporation heating equipment with an online liquid concentration monitor, the evaporation detection device can evaporate the water in the online liquid, a concentration monitoring instrument can monitor the water content of the online liquid in the evaporation detection device, if the detected value can reach the expected set qualified parameters, the evaporation detection device can automatically open an output valve of the evaporation detection device, so that the online liquid after the third-stage reaction of the qualified parameters can enter a fourth reaction chamber along an evaporation output pipe, and if the expected set qualified parameters cannot be reached, the evaporation detection device can automatically close an output valve of the evaporation detection device, open a reflux valve, and reflux online liquid after third-stage reaction of unqualified parameters back to a third reaction tank along a detection reflux pipe for continuous reaction, the detection reflux pipe adopts a multichannel confluence pipe group, the multichannel confluence pipe group can intensively recover the online liquid after the third-stage reaction which is not completely evaporated, so that the recovery is smoother, a fourth reaction chamber adopts a potassium permanganate high-temperature reaction chamber, the online liquid after the third-stage reaction is fully reacted with potassium permanganate in the fourth reaction chamber at a high temperature state to remove online liquid COD, the purpose of fourth-stage removal reaction is achieved, and the online liquid COD can be completely removed through the fourth-stage reaction process; and a plurality of valves are arranged in a connection link after the on-line liquid reacts step by step, so that the effect of flow interception and control is achieved, once a certain link has a reaction problem, an operator can close the valve in the certain link in time, and the loss is reduced to the minimum; the whole processing system has clear structure thought and simple and convenient operation, the totally enclosed connection ensures that the reaction processing process is safer and more reliable, the step-by-step reaction can gradually complete the thorough removal of the on-line liquid COD, and the reaction process is more delicate.

Drawings

Fig. 1 is a front view of the present invention.

Wherein: 1. a first reaction tank 2, an online liquid conveying pipe 3 and a first reaction material valve

4. A first reaction tank output pipe 5, a first reaction tank pressure pump 6 and a second reaction tank

7. A second reaction material filling port 8, a second reaction material valve 9 and a second reaction tank output pipe

10. A second reaction tank booster pump 11, a third reaction tank 12 and a third reaction material filling port

13. A third reaction material valve 14, a third reaction tank output pipe 15 and an evaporation detection device

16. Detection return pipe 17, evaporation output pipe 18 and fourth reaction chamber

19. A fourth reaction chamber pressure pump 20, a fourth reaction chamber output pipe 21 and a finished product on-line liquid storage tank

22. Finished product on-line liquid shutoff valve

Detailed Description

The following provides a brief description of the embodiments of the present invention with reference to the accompanying drawings.

As shown in figure 1, the online liquid COD removing mechanism is characterized in that: comprises a first reaction tank 1, a first reaction tank output pipe 4, a second reaction tank 6, a second reaction tank output pipe 9, a third reaction tank 11, a third reaction tank output pipe 14, an evaporation detection device 15, a detection return pipe 16, an evaporation output pipe 17, a fourth reaction chamber 18, a fourth reaction chamber pressure pump 19, a fourth reaction chamber output pipe 20 and a finished product online liquid storage tank 21, wherein the first reaction tank 1 is further provided with an online liquid conveying pipe 2 and a first reaction material valve 3, the online liquid conveying pipe 2 is positioned at the top of the first reaction tank 1, the online liquid conveying pipe 2 is fixedly connected with the first reaction tank 1, the first reaction material valve 3 is positioned at one side of the first reaction tank 1, the first reaction material valve 3 is fixedly connected with the first reaction tank 1, the first reaction tank output pipe 4 is positioned at the bottom of the first reaction tank 1, one end of the first reaction tank output pipe 4 is fixedly connected with the first reaction tank 1, the other end of the first reaction tank output pipe 4 is fixedly connected with a second reaction tank 6, a first reaction tank pressure pump 5 is further arranged on the first reaction tank output pipe 4, the first reaction tank pressure pump 5 is positioned in the middle of the first reaction tank output pipe 4, the first reaction tank pressure pump 5 is fixedly connected with the first reaction tank output pipe 4, the second reaction tank 6 is positioned at the lower stage of the first reaction tank 1, the second reaction tank 6 is fixedly connected with the first reaction tank 1 by utilizing the first reaction tank output pipe 4, a second reaction material filling port 7 and a second reaction material valve 8 are further arranged on the second reaction tank 6, the second reaction material filling port 7 is positioned at the top of the second reaction tank 6, the second reaction material port 7 is fixedly connected with the second reaction tank 6, the second reaction material valve 8 is positioned at the connecting position of the second reaction tank 6 and the first reaction tank output pipe 4, one end of the second reaction material valve 8 is fixedly connected with the second reaction tank 6, the other end of the second reaction material valve 8 is fixedly connected with the first reaction tank output pipe 4, the second reaction tank output pipe 9 is positioned at the bottom of the second reaction tank 6, one end of the second reaction tank output pipe 9 is fixedly connected with the second reaction tank 6, the other end of the second reaction tank output pipe 9 is fixedly connected with the third reaction tank 11, the second reaction tank output pipe 9 is further provided with a second reaction tank pressure pump 10, the second reaction tank pressure pump 10 is positioned in the middle of the second reaction tank output pipe 9, the second reaction tank pressure pump 10 is fixedly connected with the second reaction tank output pipe 9, the third reaction tank 11 is positioned at the next stage of the second reaction tank 6, the third reaction tank 11 utilizes the second reaction tank output pipe 9 to be fixedly connected with the second reaction tank 6, a third reaction material filling port 12 and a third reaction material valve 13 are further arranged on the third reaction tank 11, the third reaction material filling port 12 is located at the top of the third reaction tank 11, the third reaction material filling port 12 is fixedly connected with the third reaction tank 11, the third reaction material valve 13 is located at the connecting position of the third reaction tank 11 and the second reaction tank output pipe 9, one end of the third reaction material valve 13 is fixedly connected with the third reaction tank 11, the other end of the third reaction material valve 13 is fixedly connected with the second reaction tank output pipe 9, the third reaction tank output pipe 14 is located at one side of the third reaction tank 11, one end of the third reaction tank output pipe 14 is fixedly connected with the third reaction tank 11, the other end of the third reaction tank output pipe 14 is fixedly connected with an evaporation detection device 15, the evaporation detection device 15 is located at the lower stage of the third reaction tank 11, the evaporation detection device 15 is fixedly connected with the third reaction tank 11 by using a third reaction tank output pipe 14, the detection return pipe 16 is positioned on the upper part of the evaporation detection device 15, one end of the detection return pipe 16 is fixedly connected with the evaporation detection device 15, the other end of the detection return pipe 16 is fixedly connected with the third reaction tank 11, the evaporation output pipe 17 is positioned on the other side of the evaporation detection device 15, one end of the evaporation output pipe 17 is fixedly connected with the evaporation detection device 15, the other end of the evaporation output pipe 17 is fixedly connected with a fourth reaction chamber 18, the fourth reaction chamber 18 is positioned at the lower stage of the evaporation detection device 15, the fourth reaction chamber 18 is fixedly connected with the evaporation detection device 15 by using the evaporation output pipe 17, the fourth reaction chamber pressure pump 19 is positioned on the upper part of the fourth reaction chamber 18, and the fourth reaction chamber pressure pump 19 is fixedly connected with the fourth reaction chamber 18, the fourth reaction chamber output pipe 20 is positioned at the upper part of the fourth reaction chamber pressure pump 19, one end of the fourth reaction chamber output pipe 20 is fixedly connected with the fourth reaction chamber pressure pump 19, the other end of the output pipe 20 of the fourth reaction chamber is fixedly connected with a finished product on-line liquid storage tank 21, the finished product on-line liquid storage tank 21 is positioned at the next stage of the fourth reaction chamber 18, the finished product on-line liquid storage tank 21 is fixedly connected with the fourth reaction chamber 18 by utilizing a fourth reaction chamber output pipe 20, a finished product on-line liquid shutoff valve 22 is also arranged on the finished product on-line liquid storage tank 21, the finished product on-line liquid shutoff valve 22 is positioned at the connecting position of the finished product on-line liquid storage tank 21 and the output pipe 20 of the fourth reaction cabin, one end of the finished product on-line liquid shutoff valve 22 is fixedly connected with the finished product on-line liquid storage tank 21, the other end of the finished product on-line liquid shutoff valve 22 is fixedly connected with the output pipe 20 of the fourth reaction chamber. The first reaction tank 1 is a hydrogen peroxide reaction tank. The first reaction material valve 3, the second reaction material valve 8, the third reaction material valve 13 and the finished product on-line liquid shutoff valve 22 are all manual rotary ball valves. The second reaction tank 6 is an ozone reaction tank. The third reaction tank 11 is a chlorine-based oxidant reaction tank. The evaporation detection device 15 is a double-valve evaporation heating device with an online liquid concentration monitor. The detection return pipe 16 is a multi-channel bus pipe set. The fourth reaction chamber 18 is a potassium permanganate high-temperature reaction chamber. The fourth reaction chamber pressure pump 19 is a liquid pressure delivery pump with an air cooling device.

The working mode is as follows: the online liquid COD removing mechanism is an online liquid COD removing mechanism which adopts multiple reaction tanks connected in series and matched layer by layer to be used and can thoroughly remove the chemical oxygen demand in the online liquid, thereby improving and promoting the use quality of the online liquid; the system mainly comprises a first reaction tank 1, a first reaction tank output pipe 4, a second reaction tank 6, a second reaction tank output pipe 9, a third reaction tank 11, a third reaction tank output pipe 14, an evaporation detection device 15, a detection return pipe 16, an evaporation output pipe 17, a fourth reaction chamber 18, a fourth reaction chamber pressure pump 19, a fourth reaction chamber output pipe 20 and a finished product online liquid storage tank 21, which are connected in series through a series of pipelines to form a complete processing system, when in use, online liquid is subjected to serial stepwise reaction to remove online liquid, namely chemical oxygen demand in the online liquid, firstly, the online liquid enters the first reaction tank 1 from an online liquid conveying pipe 2 at the top end of the first reaction tank 1, the first reaction tank 1 adopts a hydrogen peroxide solution reaction tank, one side of the first reaction tank 1 is provided with a first reaction material valve 3, the first reaction material valve 3 adopts a manual rotary ball valve, is mainly used for filling hydrogen peroxide into the first reaction tank 1, and can control the flow and cut-off of the hydrogen peroxide injection, so that the online liquid and the hydrogen peroxide are subjected to sealed reaction at normal temperature, the online liquid COD is removed, and the purpose of primary removal reaction is achieved; then, the on-line liquid after the first-stage reaction enters a first reaction tank output pipe 4 at the bottom of a first reaction tank 1, a first reaction tank pressure pump 5 is arranged in the middle of the first reaction tank output pipe 4, the on-line liquid after the first-stage reaction enters a second reaction tank 6 along the first reaction tank output pipe 4 under the pressure action of the first reaction tank pressure pump 5, a second reaction material valve 8 is arranged at the connecting position of the first reaction tank output pipe 4 and the second reaction tank 6, the second reaction material valve 8 is also a manual rotary ball valve and is also used for controlling the flow and interception of the on-line liquid after the first-stage reaction entering the second reaction tank 6, the second reaction tank 6 is an ozone reaction tank, a second reaction material filling port 7 is arranged at the top position of the second reaction tank 6 and is used for filling ozone into the second reaction tank 6, combining the on-line liquid after the first-stage reaction with ozone, and carrying out normal-temperature sealing reaction in the second reaction tank 6 to continuously remove the COD of the on-line liquid, thereby achieving the purpose of second-stage removal reaction; then the on-line liquid after the second-stage reaction enters a second reaction tank output pipe 9 at the bottom of a second reaction tank 6, similarly, a second reaction tank pressure pump 10 is arranged in the middle of the second reaction tank output pipe 9, the on-line liquid after the second-stage reaction enters a third reaction tank 11 along the second reaction tank output pipe 9 under the pressure action of the second reaction tank pressure pump 10, similarly, a third reaction material valve 13 is arranged at the connecting position of the second reaction tank output pipe 9 and the third reaction tank 11, the third reaction material valve 13 also adopts a manual rotary ball valve, the manual rotary ball valve is continuously used for controlling the flow and interception of the on-line liquid after the second-stage reaction entering the third reaction tank 11, the third reaction tank 11 adopts a chlorine-system oxidant reaction tank, a third reaction material port 12 is arranged at the top position of the third reaction tank 11, the system is used for filling a series of oxidants related to chlorine element into the third reaction tank 11, and the on-line liquid after the second-stage reaction is fully reacted with the chlorine oxidant at normal temperature, and then is used for removing the COD of the on-line liquid, so as to achieve the purpose of the third-stage removal reaction; then, the on-line liquid after the third-stage reaction enters an evaporation detection device 15 along an output pipe 14 of a third reaction tank, because of the previous triple-level reaction, the COD of the on-line liquid is removed, and the content of the moisture in the on-line liquid is increased, so that the moisture in the on-line liquid needs to be evaporated, and the on-line liquid is recovered to a normal value, the evaporation detection device 15 adopts a double-valve evaporation heating device with an on-line liquid concentration monitor, which can evaporate the moisture in the on-line liquid, and is provided with a concentration monitoring instrument which can monitor the moisture content of the on-line liquid inside the evaporation detection device 15, if the detected value can reach the expected set qualified parameters, the evaporation detection device 15 automatically opens an output valve thereof, so that the on-line liquid after the third-stage reaction of the qualified parameters enters a fourth reaction chamber 18 along an evaporation output pipe 17, if the expected set qualified parameters are not reached, the evaporation detection device 15 automatically closes the output valve, and the reflux valve is opened, the on-line liquid after the third-stage reaction of the unqualified parameters flows back to the third reaction tank 11 along the detection reflux pipe 16 to continue the reaction, the detection return pipe 16 adopts a multi-channel confluence pipe group, which can collect the on-line liquid after the third-level reaction which is not evaporated completely in a multi-channel way, so that the recovery is smoother, when the result detected by a concentration monitoring instrument in the evaporation detection device 15 accords with the output parameter, the evaporation detection device 15 closes the return valve of the evaporation detection device and reopens the output valve, the alternating operation with the concentration monitoring instrument can ensure the evaporation of the moisture in the on-line liquid after the third-stage reaction, and the on-line liquid after the third-stage reaction is reduced to the initial state; the on-line liquid after the third-stage reaction after entering the fourth reaction chamber 18 is reacted inside, the fourth reaction chamber 18 adopts a potassium permanganate high-temperature reaction chamber, the on-line liquid after the third-stage reaction is fully reacted with potassium permanganate in the fourth reaction chamber 18 at a high temperature state to remove the on-line liquid COD, so that the purpose of fourth-stage removal reaction is achieved, the last reaction step of removing the on-line liquid COD is also achieved, and the on-line liquid COD can be completely removed through the quadruple reaction; finally, the on-line liquid in the fourth reaction chamber 18 enters a finished product on-line liquid storage tank 21 for storage through a fourth reaction chamber pressure pump 19 along a fourth reaction chamber output pipe 20, the fourth reaction chamber pressure pump 19 adopts a liquid pressure delivery pump with an air cooling device, the on-line liquid after high-temperature reaction can be cooled by air cooling while the on-line liquid in the fourth reaction chamber 18 is extracted for subsequent storage and use, a finished product on-line liquid cut-off valve 22 is also arranged at the connecting position of the finished product on-line liquid storage tank 21 and the fourth reaction chamber output pipe 20, the finished product on-line liquid cut-off valve 22 is the same as the previous first reaction material valve 3, the second reaction material valve 8 and the third reaction material valve 13, and is also a manual rotary spherical valve, the flow and cut-off of the on-line liquid after the last stage reaction can be controlled, and the valves are arranged in the connecting link after the on-line liquid stage reaction, the valve has the advantages that the valve plays a role in intercepting and controlling flow, once a certain link has a reaction problem, an operator can close the valve of the certain link in time to minimize loss; the whole processing system has clear structure thought and simple and convenient operation, the totally enclosed connection ensures that the reaction processing process is safer and more reliable, the step-by-step reaction can gradually complete the thorough removal of the on-line liquid COD, and the reaction process is more delicate.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a get rid of online liquid COD mechanism which characterized in that: comprises a first reaction tank, a first reaction tank output pipe, a second reaction tank output pipe, a third reaction tank output pipe, an evaporation detection device, a detection return pipe, an evaporation output pipe, a fourth reaction tank pressure pump, a fourth reaction tank output pipe and a finished product online liquid storage tank, wherein the first reaction tank is further provided with an online liquid conveying pipe and a first reaction material valve, the online liquid conveying pipe is positioned at the top of the first reaction tank, the online liquid conveying pipe is fixedly connected with the first reaction tank, the first reaction material valve is positioned at one side of the first reaction tank, the first reaction material valve is fixedly connected with the first reaction tank, the first reaction tank output pipe is positioned at the bottom of the first reaction tank, one end of the first reaction tank output pipe is fixedly connected with the first reaction tank, the other end of the first reaction tank output pipe is fixedly connected with the second reaction tank, the first reaction tank output pipe is also provided with a first reaction tank pressure pump, the first reaction tank pressure pump is positioned in the middle of the first reaction tank output pipe, the first reaction tank pressure pump is fixedly connected with the first reaction tank output pipe, the second reaction tank is positioned at the lower stage of the first reaction tank, the second reaction tank is fixedly connected with the first reaction tank by utilizing the first reaction tank output pipe, the second reaction tank is also provided with a second reaction material filling port and a second reaction material valve, the second reaction material filling port is positioned at the top of the second reaction tank, the second reaction material filling port is fixedly connected with the second reaction tank, the second reaction material valve is positioned at the connecting position of the second reaction tank and the first reaction tank output pipe, one end of the second reaction material valve is fixedly connected with the second reaction tank, and the other end of the second reaction material valve is fixedly connected with the first reaction tank output pipe, the second reaction tank output pipe is positioned at the bottom of the second reaction tank, one end of the second reaction tank output pipe is fixedly connected with the second reaction tank, the other end of the second reaction tank output pipe is fixedly connected with the third reaction tank, the second reaction tank output pipe is also provided with a second reaction tank pressure pump, the second reaction tank pressure pump is positioned in the middle of the second reaction tank output pipe, the second reaction tank pressure pump is fixedly connected with the second reaction tank output pipe, the third reaction tank is positioned at the next stage of the second reaction tank, the third reaction tank is fixedly connected with the second reaction tank by utilizing the second reaction tank output pipe, the third reaction tank is also provided with a third reaction material port and a third reaction material filling valve, the third reaction material port is positioned at the top of the third reaction tank, and the third reaction material filling port is fixedly connected with the third reaction tank, the third reaction material valve is positioned at the connecting position of a third reaction tank and an output pipe of a second reaction tank, one end of the third reaction material valve is fixedly connected with the third reaction tank, the other end of the third reaction material valve is fixedly connected with the output pipe of the second reaction tank, the output pipe of the third reaction tank is positioned at one side of the third reaction tank, one end of the output pipe of the third reaction tank is fixedly connected with the third reaction tank, the other end of the output pipe of the third reaction tank is fixedly connected with the evaporation detection device, the evaporation detection device is positioned at the next stage of the third reaction tank, the evaporation detection device utilizes the output pipe of the third reaction tank to be fixedly connected with the third reaction tank, the detection backflow pipe is positioned at the upper part of the evaporation detection device, one end of the detection backflow pipe is fixedly connected with the evaporation detection device, and the other end of the detection backflow pipe is fixedly connected with the third reaction tank, the evaporation output pipe is positioned on the other side of the evaporation detection device, one end of the evaporation output pipe is fixedly connected with the evaporation detection device, the other end of the evaporation output pipe is fixedly connected with a fourth reaction chamber, the fourth reaction chamber is positioned at the next stage of the evaporation detection device, the evaporation output pipe and the evaporation detection device are fixedly connected in the fourth reaction chamber, a fourth reaction chamber pressure pump is positioned at the upper part of the fourth reaction chamber, the fourth reaction chamber pressure pump is fixedly connected with the fourth reaction chamber, the fourth reaction chamber output pipe is positioned at the upper part of the fourth reaction chamber pressure pump, one end of the fourth reaction chamber output pipe is fixedly connected with the fourth reaction chamber pressure pump, the other end of the fourth reaction chamber output pipe is fixedly connected with the finished product on-line liquid storage tank, and the finished product on-line liquid storage tank is positioned at the next stage of the fourth reaction chamber, the finished product on-line liquid storage tank is fixedly connected with the fourth reaction cabin through a fourth reaction cabin output pipe, a finished product on-line liquid shutoff valve is further arranged on the finished product on-line liquid storage tank and is located at the connecting position of the finished product on-line liquid storage tank and the fourth reaction cabin output pipe, one end of the finished product on-line liquid shutoff valve is fixedly connected with the finished product on-line liquid storage tank, and the other end of the finished product on-line liquid shutoff valve is fixedly connected with the fourth reaction cabin output pipe.

2. The on-line liquid COD removal mechanism according to claim 1, wherein: the first reaction tank is a hydrogen peroxide reaction tank.

3. The on-line liquid COD removal mechanism according to claim 1, wherein: the first reaction material valve, the second reaction material valve, the third reaction material valve and the finished product on-line liquid shutoff valve are all manual rotary ball valves.

4. The on-line liquid COD removal mechanism according to claim 1, wherein: the second reaction tank is an ozone reaction tank.

5. The on-line liquid COD removal mechanism according to claim 1, wherein: the third reaction tank is a chlorine-based oxidant reaction tank.

6. The on-line liquid COD removal mechanism according to claim 1, wherein: the evaporation detection device is a double-valve evaporation heating device with an online liquid concentration monitor.

7. The on-line liquid COD removal mechanism according to claim 1, wherein: the detection return pipe is a multi-channel bus pipe group.

8. The on-line liquid COD removal mechanism according to claim 1, wherein: the fourth reaction cabin is a potassium permanganate high-temperature reaction cabin.

9. The on-line liquid COD removal mechanism according to claim 1, wherein: and the fourth reaction cabin pressurizing pump is a liquid pressurizing and conveying pump with an air cooling device.