CN219319880U

CN219319880U - Oxidation tower tail gas monitoring and analyzing equipment

Info

Publication number: CN219319880U
Application number: CN202223413813.2U
Authority: CN
Inventors: 聂月晓; 刘全喜; 聂月娇; 刘桂芬; 何雪
Original assignee: Tianjin Science And Technology Co ltd
Current assignee: Tianjin Science And Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-07
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the technical field of monitoring and analyzing equipment, in particular to oxidation tower tail gas monitoring and analyzing equipment, which comprises an oxidation tower body, a detection box body and a gas transmission bent pipe, wherein one end of the gas transmission bent pipe is provided with a detection device.

Description

Oxidation tower tail gas monitoring and analyzing equipment

Technical Field

The utility model relates to the technical field of monitoring and analyzing equipment, in particular to oxidation tower tail gas monitoring and analyzing equipment.

Background

The catalytic oxidation is a novel efficient catalytic oxidation technology, and the principle is that under the condition that sewage is contacted with the surface of a catalyst, a strong oxidant, namely chlorine dioxide, is utilized to catalyze and oxidize organic pollutants in the sewage at normal temperature and normal pressure, so that macromolecular organic pollutants are oxidized into micromolecular organic pollutants until the micromolecular organic pollutants are oxidized into CO2, the COD value of the sewage is reduced, and the organic pollutants are better removed. In the process of degrading COD, double bonds of organic matters are broken, benzene rings are opened, chromophoric groups are separated along with the ring opening, such as nitro, amino, azo, sulfonic groups and the like, so that the purpose of decoloring is achieved, simultaneously, BOD/COD values are effectively improved, the BOD/COD values are easy to biodegrade, the catalytic oxidation reaction by taking chlorine dioxide as an oxidant opens the bottleneck between the conventional pretreatment and biochemical treatment of some high-concentration, high-toxicity, high-chroma and high-salt-content wastewater, and the discharge standard of some wastewater can be reached after direct catalytic oxidation.

The tail gas of oxidation tower is discharged up to standard after entering ozone tail gas destructor and in order to guarantee the oxidation air conversion rate, among the prior art, can use tail oxygen analyzer to monitor its content after handling generally, and tail oxygen analyzer direct mount is in tail oxygen pipeline both sides, through the optical absorption technique analysis tail oxygen content, when adopting this kind of mounting means analysis tail oxygen content, can lead to the tail oxygen content of analysis not accurate enough, and daily maintenance check-up is more difficult moreover, leads to the fact analyzer equipment to damage easily, consequently, proposes an oxidation tower tail gas monitoring analysis equipment.

Disclosure of Invention

Based on the prior art, after treatment, the content of the tail gas is monitored by using a tail gas analyzer, the tail gas analyzer is directly arranged on two sides of a tail gas pipeline, the tail gas content is analyzed by adopting a light absorption technology, when the tail gas content is analyzed by adopting the installation mode, the analyzed tail gas content is not accurate enough, and the daily maintenance and verification are difficult, so that the technical problem of damage to analyzer equipment is easily caused.

The utility model provides oxidation tower tail gas monitoring and analyzing equipment which comprises an oxidation tower body, a detection box body and a gas transmission bent pipe, wherein a detection device is arranged at one end of the gas transmission bent pipe, the detection device comprises a gas detector for detecting, and the gas detector detects tail gas entering through the gas transmission bent pipe.

Preferably, the upper surface fixedly connected with U-shaped pipe of oxidation tower body, the lower extreme fixedly connected with ozone destructor of U-shaped pipe, ozone destructor's lower surface with the upper end fixed connection of gas-supply return bend.

Through the technical scheme, the tail gas discharged by the oxidation tower body is conveyed into the ozone destructor from the U-shaped pipe, and is conveyed into the gas transmission bent pipe after preliminary treatment by the ozone destructor, so that the effect of preliminary treatment of the tail gas is realized.

Preferably, the inner wall of the detection box body is fixedly provided with a fixing plate, and the surface of the fixing plate is fixedly provided with a ball valve.

Through above-mentioned technical scheme, detect the box and play fixed support effect to the fixed plate, the fixed plate plays fixed support effect to the ball valve to realize the fixed effect to the ball valve.

Preferably, the other end of the gas transmission bent pipe is fixedly connected with a three-way valve, one end of the three-way valve is fixedly connected with a first conveying pipe, and the outer surface of the first conveying pipe penetrates through the detection box body and then is fixedly connected with one end of the ball valve.

Through above-mentioned technical scheme, the three-way valve plays gas-supply return bend, first conveyer pipe and intake-tube connection, makes the tail gas in the gas-supply return bend divide into two to the realization divides into two effect with the tail gas.

Preferably, the other end fixedly connected with second conveyer pipe of ball valve, the other end fixedly connected with gas vacuum sampling pump of second conveyer pipe, the surface of gas vacuum sampling pump with the fixed surface mounting of fixed plate, the fixed surface of gas vacuum sampling pump is connected with the third conveyer pipe, the other end fixedly connected with filter of third conveyer pipe.

Through the technical scheme, the ball valve is connected with the gas vacuum sampling pump through the second conveying pipe, the gas vacuum sampling pump is connected with the filter through the third conveying pipe, meanwhile, the fixing plate plays a role in fixedly supporting the gas vacuum sampling pump and the filter, the tested tail gas enters the second conveying pipe from the first conveying pipe through the ball valve by utilizing the gas vacuum sampling pump, then is sucked into the gas vacuum sampling pump, and then enters the filter through the third conveying pipe by utilizing the gas vacuum sampling pump, so that the effect that the tail gas is conveyed into the filter is achieved.

Preferably, the surface fixedly connected with fourth conveyer pipe of filter, the other end fixedly connected with flowmeter of fourth conveyer pipe, the surface of flowmeter with the fixed plate's surface fixed mounting, one side fixedly connected with fifth conveyer pipe of flowmeter, the other end of fifth conveyer pipe with one side fixedly connected with of gas detector, the opposite side fixedly connected with outlet duct of gas detector, the one end of outlet duct runs through the surface of detecting the box extends to outside.

Through the technical scheme, after the tail gas is filtered simply by the filter, the tail gas is conveyed into the fourth conveying pipe and then enters the flowmeter, then is conveyed into the gas detector from the fifth conveying pipe for detection, and after detection, the tail gas is discharged out of the detection box body through the gas outlet pipe, so that the effect of detecting the oxygen content in the tail gas is achieved.

Preferably, the surface of the fixed plate is fixedly provided with an air switch, and the surface of the fixed plate is fixedly provided with a switch power supply.

Preferably, one end fixedly connected with intake pipe of three-way valve, the surface of intake pipe runs through the surface of detecting the box extends to inside, the fixed grafting of surface of detecting the box has the oxygen analyzer, the exhaust hole has been seted up to the surface of detecting the box.

Through the technical scheme, the part of the primarily treated tail gas is discharged into the detection box body through the air inlet pipe by the three-way valve, the oxygen content in the tail gas is detected by the oxygen analyzer, and the oxygen content is displayed by the electronic display screen on the surface of the oxygen analyzer, so that the effect of detecting and monitoring the oxygen content in the tail gas is realized.

The beneficial effects of the utility model are as follows:

through setting up detection device, utilize the gas vacuum pump to carry tail gas to the inside detection of gas detector, whole detection device uses the fixed plate to fix, simultaneously, another part tail gas is discharged to the detection box through the intake pipe in, use oxygen analyzer to detect the oxygen content in the tail gas, the electron display screen on the surface of reuse oxygen analyzer shows, the accuracy that detects promotes greatly, when one detector damaged, can even know, simultaneously, because most structures are installed on the fixed plate of detection box inside, make various instruments better dismantlement, in having solved prior art, can use the tail oxygen analyzer to monitor its content after handling, and tail oxygen analyzer direct mount is in tail oxygen pipeline both sides, through light absorption technique analysis tail oxygen content, when adopting this kind of installation mode analysis tail oxygen content, can lead to the tail oxygen content of analysis not accurate enough, moreover daily maintenance check-up is more difficult, cause the technical problem of analyzer equipment damage easily.

Drawings

FIG. 1 is a schematic diagram of an oxidation tower tail gas monitoring and analyzing device according to the present utility model;

FIG. 2 is a perspective view of a gas transmission elbow structure of the oxidation tower tail gas monitoring and analyzing device provided by the utility model;

FIG. 3 is a perspective view of a three-way valve structure of the oxidation tower tail gas monitoring and analyzing device according to the present utility model;

fig. 4 is a perspective view of a gas detector structure of an oxidation tower tail gas monitoring and analyzing device according to the present utility model.

In the figure: 1. an oxidation tower body; 11. a U-shaped tube; 12. an ozone destructor; 13. a gas transmission elbow; 2. detecting a box body; 21. a fixing plate; 22. an exhaust hole; 3. a three-way valve; 31. a first delivery tube; 32. a ball valve; 33. a second delivery tube; 34. a gas vacuum sampling pump; 35. a third delivery tube; 36. a filter; 37. a fourth conveying pipe; 38. a flow meter; 39. a fifth conveying pipe; 4. a gas detector; 41. an air outlet pipe; 5. an air inlet pipe; 51. an oxygen analyzer; 6. an air switch; 61. and a switching power supply.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an oxidation tower tail gas monitoring and analyzing device comprises an oxidation tower body 1, a detection box 2 and a gas transmission bent pipe 13, wherein a detection device is arranged at one end of the gas transmission bent pipe 13, the detection device comprises a gas detector 4 for detection, and the gas detector 4 detects tail gas entering through the gas transmission bent pipe 13.

In order to perform preliminary treatment on the tail gas discharged by the oxidation tower body 1, the upper surface of the oxidation tower body 1 is fixedly connected with a U-shaped pipe 11, the lower end of the U-shaped pipe 11 is fixedly connected with an ozone destructor 12, and the lower surface of the ozone destructor 12 is fixedly connected with the upper end of a gas transmission bent pipe 13; the tail gas discharged by the oxidation tower body 1 is conveyed into the ozone destructor 12 from the U-shaped pipe 11, and is conveyed into the gas transmission bent pipe 13 after being subjected to preliminary treatment by the ozone destructor 12, so that the effect of preliminarily treating the tail gas is realized.

In order to fix the ball valve 32, a fixing plate 21 is fixedly arranged on the inner wall of the detection box body 2, and the ball valve 32 is fixedly arranged on the surface of the fixing plate 21; the detection box body 2 plays a fixed supporting role on the fixing plate 21, and the fixing plate 21 plays a fixed supporting role on the ball valve 32, so that the effect of fixing the ball valve 32 is achieved.

In order to divide the tail gas into two parts for detection, the other end of the gas transmission bent pipe 13 is fixedly connected with a three-way valve 3, one end of the three-way valve 3 is fixedly connected with a first conveying pipe 31, and the outer surface of the first conveying pipe 31 penetrates through the detection box body 2 and is fixedly connected with one end of a ball valve 32; the three-way valve 3 connects the gas transmission elbow 13, the first conveying pipe 31 and the gas inlet pipe 5, so that the tail gas in the gas transmission elbow 13 is divided into two parts, and the effect of dividing the tail gas into two parts is realized.

In order to convey the tail gas into the filter 36, the other end of the ball valve 32 is fixedly connected with a second conveying pipe 33, the other end of the second conveying pipe 33 is fixedly connected with a gas vacuum sampling pump 34, the surface of the gas vacuum sampling pump 34 is fixedly arranged on the surface of the fixing plate 21, the surface of the gas vacuum sampling pump 34 is fixedly connected with a third conveying pipe 35, and the other end of the third conveying pipe 35 is fixedly connected with the filter 36; the second conveying pipe 33 connects the ball valve 32 with the gas vacuum sampling pump 34, the third conveying pipe 35 connects the gas vacuum sampling pump 34 with the filter 36, meanwhile, the fixing plate 21 plays a role in fixedly supporting the gas vacuum sampling pump 34 and the filter 36, the tested tail gas enters the second conveying pipe 33 from the first conveying pipe 31 through the ball valve 32 by utilizing the gas vacuum sampling pump 34 and then is sucked into the gas vacuum sampling pump 34, and then enters the filter 36 through the third conveying pipe 35 by utilizing the gas vacuum sampling pump 34, so that the effect that the tail gas is conveyed into the filter 36 is achieved.

In order to detect the oxygen content in the tail gas, the surface of the filter 36 is fixedly connected with a fourth conveying pipe 37, the other end of the fourth conveying pipe 37 is fixedly connected with a flowmeter 38, the surface of the flowmeter 38 is fixedly installed on the surface of the fixing plate 21, one side of the flowmeter 38 is fixedly connected with a fifth conveying pipe 39, the other end of the fifth conveying pipe 39 is fixedly connected with one side of the gas detector 4, the other side of the gas detector 4 is fixedly connected with an air outlet pipe 41, and one end of the air outlet pipe 41 penetrates through the surface of the detection box body 2 to extend to the outside; the tail gas is simply filtered by the filter 36, is conveyed into the fourth conveying pipe 37 and then enters the flowmeter 38, is conveyed from the fifth conveying pipe 39 into the gas detector 4 for detection, and is discharged out of the detection box body 2 through the air outlet pipe 41 after detection, so that the effect of detecting the oxygen content in the tail gas is achieved.

In order to monitor the oxygen content in the tail gas, an air switch 6 is fixedly arranged on the surface of the fixed plate 21, and a switching power supply 61 is fixedly arranged on the surface of the fixed plate 21; one end of the three-way valve 3 is fixedly connected with an air inlet pipe 5, the surface of the air inlet pipe 5 penetrates through the surface of the detection box body 2 and extends into the detection box body, an oxygen analyzer 51 is fixedly inserted into the surface of the detection box body 2, and an air outlet hole 22 is formed in the surface of the detection box body 2; the exhaust after preliminary treatment is discharged to the detection box body 2 through the three-way valve 3, a part of the exhaust is discharged to the detection box body 2 through the air inlet pipe 5, the oxygen content in the exhaust is detected by the oxygen analyzer 51, and then the oxygen content is displayed by the electronic display screen on the surface of the oxygen analyzer 51, so that the effect of detecting and monitoring the oxygen content in the exhaust is realized.

Through setting up detection device, utilize the gas vacuum pump to carry tail gas to the inside detection of gas detector 4, whole detection device uses fixed plate 21 to fix, simultaneously, another part tail gas is discharged to the detection box 2 through intake pipe 5, use oxygen analyzer 51 to detect the oxygen content in the tail gas, the electron display screen on reuse oxygen analyzer 51 surface shows, double detection promotes the accuracy that detects greatly, when one detector damaged, can even know, simultaneously, because most structures are installed on the fixed plate 21 of detection box 2 inside, make various instruments better dismantlement, in the prior art has been solved, can use tail oxygen analyzer 51 to monitor its content after handling, and tail oxygen analyzer 51 installs in tail oxygen pipeline both sides directly, when analyzing tail oxygen content through the light absorption technique, can lead to the tail oxygen content of analysis to be accurate inadequately, moreover, daily maintenance check-up is more difficult, cause the technical problem of analyzer equipment easily damaged.

Working principle: the tail gas discharged by the oxidation tower body 1 is conveyed into the ozone destructor 12 from the U-shaped pipe 11, the tail gas is initially treated by the ozone destructor 12 and then conveyed into the gas transmission bent pipe 13, the tail gas in the gas transmission bent pipe 13 is divided into two parts through the three-way valve 3, the first part enters the first conveying pipe 31, the tail gas enters the second conveying pipe 33 through the ball valve 32 by utilizing the gas vacuum sampling pump 34 and then is sucked into the gas vacuum sampling pump 34, the tail gas enters the filter 36 through the third conveying pipe 35 for simple filtration, the tail gas is simply filtered by the filter 36 and then conveyed into the fourth conveying pipe 37 and then enters the flowmeter 38, the flowmeter 38 calculates the amount of the passed tail gas, the calculated amount of the tail gas is conveyed into the gas detector 4 from the fifth conveying pipe 39 for detection, the tail gas is discharged out of the detection box 2 through the gas outlet pipe 41 after the detection, and meanwhile, the second part is discharged into the detection box 2 through the gas inlet pipe 5, the oxygen content in the tail gas is detected by using the oxygen analyzer 51, and the electronic display screen of the surface of the oxygen analyzer 51 is used for displaying the oxygen content in the oxidation tower body 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an oxidation tower tail gas monitoring analytical equipment, includes oxidation tower body (1), detects box (2) and gas transmission return bend (13), its characterized in that: one end of the gas transmission bent pipe (13) is provided with a detection device, the detection device comprises a gas detector (4) for detecting, and the gas detector (4) detects tail gas entering through the gas transmission bent pipe (13).

2. An oxidation tower tail gas monitoring and analyzing device according to claim 1, wherein: the oxidation tower is characterized in that a U-shaped pipe (11) is fixedly connected to the upper surface of the oxidation tower body (1), an ozone destructor (12) is fixedly connected to the lower end of the U-shaped pipe (11), and the lower surface of the ozone destructor (12) is fixedly connected with the upper end of the gas transmission bent pipe (13).

3. An oxidation tower tail gas monitoring and analyzing device according to claim 1, wherein: the inner wall of the detection box body (2) is fixedly provided with a fixing plate (21), and the surface of the fixing plate (21) is fixedly provided with a ball valve (32).

4. An oxidation tower tail gas monitoring and analyzing device according to claim 3, wherein: the other end fixedly connected with three-way valve (3) of gas-supply return bend (13), the one end fixedly connected with first conveyer pipe (31) of three-way valve (3), the surface of first conveyer pipe (31) runs through behind detection box (2) with one end fixed connection of ball valve (32).

5. An oxidation tower tail gas monitoring and analyzing device according to claim 3, wherein: the other end fixedly connected with second conveyer pipe (33) of ball valve (32), the other end fixedly connected with gas vacuum sampling pump (34) of second conveyer pipe (33), the surface of gas vacuum sampling pump (34) with the fixed surface mounting of fixed plate (21), the fixed surface of gas vacuum sampling pump (34) is connected with third conveyer pipe (35), the other end fixedly connected with filter (36) of third conveyer pipe (35).

6. An oxidation tower tail gas monitoring and analyzing device according to claim 5, wherein: the surface fixedly connected with fourth conveyer pipe (37) of filter (36), the other end fixedly connected with flowmeter (38) of fourth conveyer pipe (37), the surface of flowmeter (38) with the fixed surface mounting of fixed plate (21), one side fixedly connected with fifth conveyer pipe (39) of flowmeter (38), the other end of fifth conveyer pipe (39) with one side fixed connection of gas detector (4), the opposite side fixedly connected with outlet duct (41) of gas detector (4), the one end of outlet duct (41) runs through the surface of detecting box (2) extends to outside.

7. An oxidation tower tail gas monitoring and analyzing device according to claim 3, wherein: the surface of the fixed plate (21) is fixedly provided with an air switch (6), and the surface of the fixed plate (21) is fixedly provided with a switch power supply (61).

8. An oxidation tower tail gas monitoring and analyzing device according to claim 4, wherein: one end fixedly connected with intake pipe (5) of three-way valve (3), the surface of intake pipe (5) runs through the surface of detecting box (2) extends to inside, the fixed grafting of surface of detecting box (2) has oxygen analyzer (51), exhaust hole (22) have been seted up on the surface of detecting box (2).