CN109985452B - Device and method for improving oxygen content of high-pressure air of oxidation fan - Google Patents
Device and method for improving oxygen content of high-pressure air of oxidation fan Download PDFInfo
- Publication number
- CN109985452B CN109985452B CN201910350403.1A CN201910350403A CN109985452B CN 109985452 B CN109985452 B CN 109985452B CN 201910350403 A CN201910350403 A CN 201910350403A CN 109985452 B CN109985452 B CN 109985452B
- Authority
- CN
- China
- Prior art keywords
- air
- oxidation
- pressure
- oxygen content
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 132
- 230000003647 oxidation Effects 0.000 title claims abstract description 130
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
- 239000001301 oxygen Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005273 aeration Methods 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000002808 molecular sieve Substances 0.000 claims abstract description 13
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 abstract description 4
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 165
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Ventilation (AREA)
Abstract
The application discloses a device and a method for improving the oxygen content of high-pressure air of an oxidation fan, wherein the device comprises an air supply device, an air suction pipeline, an oxidation fan, an exhaust pipeline, an oxidation aeration device and an intelligent control system, the air supply device, the air suction pipeline, the oxidation fan, the exhaust pipeline and the oxidation aeration device are sequentially communicated, the air supply device comprises an air inlet valve and a filtering device, the filtering device comprises a filter and a molecular sieve air filtering membrane which are sequentially arranged, the filter comprises a filter screen and a sewage draining pipe, the molecular sieve air filtering membrane is used for separating nitrogen, and the intelligent control system is respectively connected with the air inlet valve, the oxidation fan and the oxidation aeration device. The application also comprises a method for increasing the oxygen content of the high-pressure air of the oxidation fan. The application utilizes the molecular sieve nitrogen-oxygen separation principle, improves the air inlet treatment efficiency and the oxygen content of high-pressure air, adopts an intelligent control system to carry out all-round intelligent monitoring and control, and has high efficiency, practicability and good safety.
Description
Technical Field
The application relates to the field of oxidation fan utilization, in particular to a device and a method for improving the oxygen content of high-pressure air of an oxidation fan.
Background
The oxidation fan is a device for generating oxidation air with a certain pressure, and is widely used in forced air oxidation in industrial production.
In the thermal power plants of japan, germany and usa, 90% of the flue gas desulfurization process using limestone wet method is adopted. The process is that limestone powder is added with water to prepare slurry which is pumped into an absorption tower as an absorbent to be fully contacted and mixed with flue gas, sulfur dioxide in the flue gas is oxidized with calcium carbonate in the slurry and air blown in from an oxidation fan at the lower part of the tower to generate calcium sulfate, and the calcium sulfate is crystallized to form dihydrate gypsum after reaching a certain saturation degree. The oxidation fan is used for generating air with certain pressure and sending the air into the oxidation pond of the absorption tower, so as to provide sufficient oxidation air for the slurry in the slurry pond of the absorption tower. Therefore, in the desulfurization process of the system, the performance of the oxidation fan and the oxygen content of the oxidation air directly influence the quality of desulfurization byproducts and the flue gas desulfurization effect.
In the field of aeration, such as aquaculture and sewage treatment, an oxidation blower is used to force oxygen in air to transfer to liquid, so that the liquid obtains enough dissolved oxygen. The forced oxidation is carried out by aeration, the suspension in the tank is prevented from sinking, and the contact of organic matters in the tank with microorganisms and dissolved oxygen is enhanced, so that the oxidative decomposition of the organic matters in the sewage is ensured under the condition that the microorganisms in the tank have sufficient dissolved oxygen. The oxidation blower is used for generating air with a certain pressure and providing sufficient oxidation air for the liquid in the tank.
In the main field of oxidation or aeration applied to the oxidation blower, the oxidation blower generates air with a certain pressure, so as to provide sufficient oxidation air for the oxidation or aeration device, and the performance of the oxidation blower and the oxygen content of the oxidation air directly influence the action and effect of the oxidation or aeration device. However, in the existing oxidation blower system device, the performance of the oxidation blower is obviously improved, the oxygen content of oxidation air is not improved by an efficient device, and the oxidation blower system device lacks a monitoring system for air temperature, pressure, flow, oxygen content and humidity, so that the reaction efficiency and effect of oxidation/aeration cannot be comprehensively improved.
Disclosure of Invention
The application solves the technical problem of overcoming the defects in the prior art and provides a device and a method for improving the oxygen content of high-pressure air of an oxidation fan. The application utilizes the molecular sieve nitrogen-oxygen separation principle to ensure that the high-pressure air of the oxidation fan increases the oxygen content, realizes intelligent monitoring and control, and improves the reaction efficiency of oxidation/aeration.
The technical scheme adopted by the application for solving the technical problems comprises the following steps:
The utility model provides a device for improving oxidation fan high-pressure air oxygen content, includes air supply arrangement, pipeline of breathing in, oxidation fan, exhaust duct, oxidation aeration equipment and intelligent control system, air supply arrangement, pipeline of breathing in, oxidation fan, exhaust duct, oxidation aeration equipment communicate in proper order (through the pipeline), air supply arrangement includes intake valve and filter equipment, and air supply arrangement air inlet department (air inlet) sets up intake valve, filter equipment is including filter and molecular sieve air filtration membrane that disposes in proper order, the filter includes filter screen and blowdown drain pipe, and filter screen, blowdown drain pipe all set up in air supply arrangement air inlet department or be close in the pipeline of air inlet department, and molecular sieve air filtration membrane is used for separating out nitrogen gas, intelligent control system all is connected and controls their operation with intake valve, oxidation fan, oxidation aeration equipment respectively.
The intelligent air supply system is also provided with a temperature and humidity adjusting device which is connected with the intelligent control system and is arranged in one or between the air supply device and the air suction pipeline.
The intelligent control system comprises an intelligent controller, a sensor module, a driving module, a display module and an alarm module, wherein the sensor module, the driving module, the display module and the alarm module are respectively connected with the intelligent controller, the intelligent controller monitors temperature, pressure, flow, oxygen content and humidity parameters in a pipeline through the sensor module and compares the parameters with an initial setting range and a limit working range, real-time condition monitoring is realized (the control parameters of the intelligent controller are maintained unchanged when the parameters fall within the initial setting range, and when one or some of the parameters exceed the initial setting range, the intelligent controller adjusts the control parameters according to control logic (the method) so as to adjust the working parameters exceeding the initial setting range to a normal working range as much as possible, and when one or some of the parameters exceed the limit working range, the intelligent controller controls shutdown and fault alarm), so that the running state of the system is intelligently controlled.
The sensor module comprises a first pressure sensor, a second pressure sensor, a temperature sensor, an air oxygen content sensor, an air flow sensor and an air humidity sensor, wherein the first pressure sensor is arranged on an air suction pipeline and is used for detecting the pressure of the air suction pipeline; the second pressure sensor, the temperature sensor, the air oxygen content sensor, the air flow sensor and the air humidity sensor are all arranged on the exhaust pipeline and are respectively used for detecting the pressure, the temperature, the oxygen content, the flow and the humidity of air in the exhaust pipeline, and the intelligent control system is connected with the first pressure sensor, the second pressure sensor, the temperature sensor, the air oxygen content sensor, the air flow sensor and the air humidity sensor.
The driving module comprises an opening control driving circuit and a power signal driving circuit, wherein the opening control driving circuit converts control parameters of the intelligent controller into analog quantities and performs opening control (used for adjusting working parameters of an air inlet valve, a temperature and humidity adjusting device, an oxidation fan and an oxidation aeration device), and the power signal driving circuit is used for outputting switching values of the intelligent controller (controlling, for example, powering on and starting of the temperature and humidity adjusting device, the oxidation fan and the oxidation aeration device).
According to the air supply device, when the oxidation fan operates, the air is introduced into the air supply device, the oxidation fan operates and forms negative pressure, and the air can pass through the filtering device more conveniently.
The oxidation fan comprises a motor, an oxidation fan body, a base and an outer cover, wherein the base is arranged at the bottom of the motor and the oxidation fan body and plays a supporting role; the outer cover is arranged outside the motor and the oxidation fan body to play a role in protection; one end of the oxidation fan body is communicated with the air suction pipeline, the other end of the oxidation fan body is communicated with the exhaust pipeline, and the motor is connected with the oxidation fan body and used for pressurizing and conveying air in the air suction pipeline to the exhaust pipeline.
The technical scheme adopted by the application for solving the technical problems also comprises the following steps:
a method for improving oxygen content of high-pressure air of an oxidation fan comprises the following steps:
S1: starting an oxidation fan, introducing air into the air supply device, filtering the air through the filtering device, and then sending the air to the air suction pipeline, wherein the pressure sensor is used for collecting the air pressure of the air suction pipeline;
S2: the oxidation fan generates air with the pressure of 2-2.4kg/cm 2 and discharges the air into an exhaust pipeline;
S3: acquiring temperature, pressure, flow, oxygen content and humidity parameters of air in an exhaust pipeline, sending the parameters to an intelligent control system, comparing the acquired parameters (including temperature, flow, oxygen content, humidity, air pressure of an air suction pipeline and air pressure of the exhaust pipeline) with initial set ranges of the parameters and limit working ranges by an intelligent controller, and displaying each real-time parameter by a display module, wherein the intelligent control system adjusts the corresponding running state by a driving module according to the specific conditions of the acquired parameters;
S4: the oxidation aeration device is started, and high-pressure air in the exhaust pipeline enters the oxidation aeration device to perform oxidation/aeration reaction.
The application is usually circularly executed, and after the step S4, a step of judging whether the work is completed is arranged: if the work (cycle execution conditions, such as cycle execution time or other parameters set according to actual conditions) initially set by the intelligent control system is completed or reached, stopping the machine, otherwise, turning to the S2 step until the work is completed.
In the step S1, air passing through the filtering device is subjected to temperature and humidity adjustment through the temperature and humidity adjustment device and then enters the air suction pipeline.
The intelligent control system of the application carries out corresponding operation state adjustment steps through the driving module according to the specific condition of the acquired parameters, which means that: when the temperature and the humidity exceed the standard, the intelligent control system adjusts the working parameters of the temperature and humidity adjusting device through the driving module so as to adjust the temperature and the humidity to a normal working state; when the air pressure of the air suction pipeline, the flow in the exhaust pipeline and/or the oxygen content exceed the standard, the control system adjusts the opening of the air inlet valve through the driving module so as to adjust the air suction pipeline pressure, the flow in the exhaust pipeline and/or the oxygen content to a normal working state; when the air pressure of the exhaust pipeline exceeds the standard, the intelligent control system adjusts the working parameters of the oxidation fan through the driving module so as to adjust the air pressure of the exhaust pipeline to a normal working state, and when any acquired parameter exceeds the limit working range, the intelligent controller immediately controls the device to stop and alarm through the alarm module.
The beneficial effects of the application are as follows:
(1) By utilizing the molecular sieve nitrogen-oxygen separation principle, the air supply device is additionally arranged, so that the air inlet and treatment efficiency is improved, and the oxygen content of high-pressure air of the oxidation fan is improved.
(2) The intelligent control system is adopted, the intelligent controller is used for carrying out omnibearing intelligent monitoring and control on the temperature, pressure, flow, oxygen content and humidity of air, and the display module and the alarm module are used for enhancing the operation supervision of personnel on the system, so that the system is efficient and practical, and the reaction efficiency, safety and automation degree of oxidation/aeration are improved.
Drawings
FIG. 1 is a schematic view of a structure (with a temperature and humidity adjusting device) according to an embodiment of the present application;
In the figure: 1-air supply device, 2-filter, 3-molecular sieve air filtering membrane, 4-filter screen, 5-blowdown drain pipe, 6-suction pipe, 7-motor, 8-oxidation fan organism, 9-base, 10-dustcoat, 11-exhaust duct, 12-oxidation aeration equipment, temperature and humidity adjustment device 15, K1-pressure sensor I, K2-pressure sensor II, K3-temperature sensor, K4-air oxygen content sensor, K5-air flow sensor, K6-air humidity sensor.
FIG. 2 is a block diagram of an intelligent control system according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the technical solutions provided by the present application, the following description is made with reference to specific embodiments. The front and rear of the application are relative to the flow direction of the working air flow.
As shown in fig. 1 and 2, a device for increasing the oxygen content of high-pressure air of an oxidation fan comprises an air supply device 1, an air suction pipeline 6, the oxidation fan, an air discharge pipeline 11, an oxidation aeration device 12 and an intelligent control system (not shown in the drawings). The air supply device 1, the air suction pipeline 6, the oxidation fan, the exhaust pipeline 11 and the oxidation aeration device 12 are sequentially communicated, and the intelligent control system is respectively connected with the air supply device 1, the oxidation fan and the oxidation aeration device 12.
The air supply device 1 comprises a filter device, the filter device comprises a filter 2 and a molecular sieve air filtering membrane 3, the filter device is arranged in the air supply device 1, and the filter 2 is arranged at the front end of the molecular sieve air filtering membrane 3. The air enters the air supply device 1 and then is filtered by a filtering device, wherein the filter 2 comprises a filter screen 4 and a sewage draining pipe 5 which are arranged at the air inlet of the air supply device 1 to remove impurities and moisture in the air; the molecular sieve air filtering membrane 3 is arranged in the middle of the air supply device 1 and is used for separating out nitrogen and improving the oxygen concentration of air.
As shown in fig. 1, when the air supply device 1 operates the oxidation fan, the air supply device 1 introduces air, and the oxidation fan operates and forms negative pressure, which is more beneficial to the air passing through the filtering device. An air inlet valve (not shown in the figure and arranged at the front end of the filter 2) is arranged at the air inlet position of the air supply device 1, and the air inlet quantity can be adjusted through the opening adjustment of the air inlet valve so as to adjust the pressure in the air suction pipeline 6 and the flow and oxygen content in the air exhaust pipeline 11. When the air supply device 1 is designed, the working parameter indexes of the air supply device 1 are considered, and the intermediate value of the opening of the air inlet valve just corresponds to the intermediate value or the vicinity of the respective working parameters of the pressure of the air suction pipeline 6, the flow rate of the air exhaust pipeline 11 and the oxygen content, so that the adjustment range is enlarged and the adjustment times are reduced.
When the humidity and/or temperature requirements are high, or the ambient air cannot meet the air inlet temperature and humidity requirements, the air supply device 1 of the application can be formed by connecting the temperature and humidity adjusting device 15 behind the filtering device, or the temperature and humidity adjusting device 15 can be arranged between the air supply device 1 and the air suction pipeline 6, or the temperature and humidity adjusting device 15 is arranged in the air suction pipeline 6. The temperature and humidity adjusting device 15 adjusts the temperature and humidity of the filtered air, and then conveys the air backwards. The temperature and humidity adjusting device 15 may adopt a structure and method adopted by the prior art, for example, the publication number is CN 108826468A, and the name is "a temperature and humidity adjusting device".
As shown in fig. 1, the air intake duct 6 connects the air blower 1 to the oxidation blower, and sucks air into the oxidation blower. The suction pipe 6 is provided with a pressure sensor K1 for detecting the pressure of the suction pipe 6.
As shown in fig. 1, the oxidation fan comprises a motor 7, an oxidation fan body 8, a base 9 and an outer cover 10, wherein the motor 7 acts on the oxidation fan body 8 to generate air with certain pressure, and the base 9 is arranged at the bottoms of the motor 7 and the oxidation fan body 8 to play a supporting role; the outer cover 10 is arranged outside the motor 7 and the oxidation fan body 8, and plays a role in protection. The oxidation blower communicates with the exhaust duct 11.
As shown in fig. 1, the exhaust pipe 11 connects the oxidation fan with the oxidation aeration device 12, and the air with a certain pressure generated above enters the oxidation aeration device 12 through the exhaust pipe 11 to provide oxidation air.
As shown in fig. 2, the intelligent control system comprises an intelligent controller, a sensor module, a driving module, a display module and an alarm module, wherein the sensor module, the driving module, the display module and the alarm module are respectively connected with the intelligent controller, can monitor temperature, pressure, flow, oxygen content and humidity parameters of the device, and realize functions of real-time condition monitoring, fault alarm and the like, so that the running state of the system is intelligently controlled.
When the embodiment operates, the following steps are sequentially performed:
Step (1), starting the motor 7, starting the oxidation fan body 8 to operate, introducing air by the air supply device 1, forming negative pressure, enabling the air to pass through the filter 2, removing impurities and moisture in the air, and separating nitrogen by the molecular sieve air filtering membrane 3 to improve the oxygen concentration of the air. Air enters the air suction pipe 6, and the pressure sensor K1 collects the air pressure of the air suction pipe 6.
Step (2), the oxidation fan sucks air through an air suction pipeline 6, and the air with the pressure of 2-2.4kg/cm 2 is generated by acting on an oxidation fan body 8 through a motor 7 and is discharged into an exhaust pipeline 11;
And (3) setting a pressure sensor II K2, a temperature sensor K3, an air oxygen content sensor K4, an air flow sensor K5 and an air humidity sensor K6 at the outlet of the exhaust pipeline 11, collecting temperature, pressure, flow, oxygen content and humidity (working) parameters of high-pressure air, and inputting signals into an intelligent control system. The temperature, pressure, flow, oxygen content, humidity (except for the pressure including the pressure at both the suction pipe 6 and the exhaust pipe 11), the upper control limit value and the lower control limit value (i.e., the initial setting range, in which the device still works and the intelligent controller adjusts the control parameters to adjust the deviated working parameters to normal) are set in the intelligent controller, and the limit working range (in which the intelligent controller immediately controls the device to stop and alarm by the alarm module when any one parameter exceeds the range), the display module is used for displaying the results of each parameter, the intelligent control system performs corresponding operation state adjustment by the driving module,
And (4) starting the oxidation aeration device 12, and enabling high-pressure air in the exhaust pipeline 11 to enter the oxidation aeration device 12 to perform oxidation/aeration reaction.
In the step (1), the air passing through the filtering device is subjected to temperature and humidity adjustment by the temperature and humidity adjustment device 15 and then enters the air suction pipeline 6.
The intelligent control system carries out corresponding operation state adjustment steps through the driving module, namely: when the temperature and the humidity exceed the standard, the intelligent control system adjusts the working parameters of the temperature and humidity adjusting device 15 through the driving module so as to adjust the temperature and humidity to a normal working state; when the air pressure (read by a pressure sensor K1) in the air suction pipeline 6, the flow rate in the air discharge pipeline 11 and/or the oxygen content exceeds the standard, the control system adjusts the working parameters (the opening degree of an air inlet valve) of the air supply device 1 through the driving module so as to adjust the pressure of the air suction pipeline 6, the flow rate of the air discharge pipeline 11 and the oxygen content to a normal working state; when the air pressure of the exhaust pipeline 11 (the reading of the pressure sensor II K2) exceeds the standard, the intelligent control system adjusts the working parameters of the oxidation fan (the motor 7) through the driving module so as to adjust the air pressure of the exhaust pipeline 11 to a normal working state, and when any one of the acquisition parameters exceeds the limit working range, the intelligent controller immediately controls the device to stop and alarms through the alarm module.
Through the steps, high-pressure air with the oxygen content of about 30% can be provided for the oxidation aeration device, and the oxidation/aeration reaction efficiency is improved.
The parts, the oxidation blower and the oxidation aeration device 12 in the intelligent control system can be realized by adopting the prior art.
The foregoing has outlined and described the basic principles, features, and advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a device for improving oxidation fan high pressure air oxygen content, includes air supply arrangement, suction pipe, oxidation fan, exhaust pipe, oxidation aeration equipment and intelligent control system, its characterized in that: the intelligent control system comprises an air supply device, an air suction pipeline, an oxidation fan, an exhaust pipeline and an oxidation aeration device, wherein the air supply device is sequentially communicated with the air suction pipeline, the air supply device comprises an air inlet valve and a filtering device, the air inlet valve is arranged at the air inlet part of the air supply device, the filtering device comprises a filter screen and a blowdown drain pipe which are sequentially arranged, the filter screen and the blowdown drain pipe are respectively arranged at the air inlet part of the air supply device or in a pipeline close to the air inlet part, the molecular sieve air filter membrane is used for separating nitrogen, and the intelligent control system is respectively connected with the air inlet valve, the oxidation fan and the oxidation aeration device; the intelligent control system comprises an intelligent controller, a sensor module, a driving module, a display module and an alarm module, wherein the sensor module, the driving module, the display module and the alarm module are respectively connected with the intelligent controller, and the intelligent controller monitors temperature, pressure, flow, oxygen content and humidity parameters in a pipeline through the sensor module and compares the temperature, pressure, flow, oxygen content and humidity parameters with an initial setting range and a limiting working range to realize real-time condition monitoring.
2. The device for increasing the oxygen content of high-pressure air of an oxidation blower according to claim 1, wherein: the intelligent air supply device is also provided with a temperature and humidity adjusting device which is connected with the intelligent control system and is arranged in one or between the air supply device and the air suction pipeline.
3. The device for increasing the oxygen content of high-pressure air of an oxidation blower according to claim 1, wherein: the sensor module comprises a first pressure sensor, a second pressure sensor, a temperature sensor, an air oxygen content sensor, an air flow sensor and an air humidity sensor, wherein the first pressure sensor is arranged on the air suction pipeline and is used for detecting the pressure of the air suction pipeline; the second pressure sensor, the temperature sensor, the air oxygen content sensor, the air flow sensor and the air humidity sensor are all arranged on the exhaust pipeline and are respectively used for detecting the pressure, the temperature, the oxygen content, the flow and the humidity of the air in the exhaust pipeline.
4. The device for increasing the oxygen content of high-pressure air of an oxidation blower according to claim 1, wherein: the oxidation fan comprises a motor, an oxidation fan body, a base and an outer cover, wherein the base is arranged at the bottom of the motor and the oxidation fan body; the outer cover is arranged outside the motor and the oxidation fan body; one end of the oxidation fan body is communicated with the air suction pipeline, the other end of the oxidation fan body is communicated with the exhaust pipeline, and the motor is connected with the oxidation fan body and used for pressurizing and conveying air in the air suction pipeline to the exhaust pipeline.
5. A method for increasing the oxygen content of high-pressure air of an oxidation blower, which is carried out by adopting the device for increasing the oxygen content of the high-pressure air of the oxidation blower according to claim 1 and comprises the following steps:
S1: starting an oxidation fan, introducing air into the air supply device, filtering the air through the filtering device, and then sending the air to the air suction pipeline, wherein the pressure sensor is used for collecting the air pressure of the air suction pipeline;
S2: the oxidation fan generates air with the pressure of 2-2.4kg/cm 2 and discharges the air into an exhaust pipeline;
S3: the method comprises the steps of collecting temperature, pressure, flow, oxygen content and humidity parameters of air in an exhaust pipeline, sending the parameters to an intelligent control system, comparing the collected parameters with an initial set range and a limit working range by an intelligent controller, displaying all real-time parameters by a display module, and adjusting corresponding running states by the intelligent control system according to specific conditions of the collected parameters by a driving module;
S4: the oxidation aeration device is started, and high-pressure air in the exhaust pipeline enters the oxidation aeration device to perform oxidation/aeration reaction.
6. The method for increasing oxygen content of high-pressure air of an oxidation blower according to claim 5, wherein the air passing through the filtering device in the step S1 is subjected to temperature and humidity adjustment by the temperature and humidity adjustment device and then enters the air suction pipeline.
7. The method for increasing oxygen content of high-pressure air of an oxidation blower according to claim 5, wherein the step of performing corresponding operation state adjustment by the intelligent control system through the driving module according to the collected parameters is: when the temperature and the humidity exceed the standard, the intelligent control system adjusts the working parameters of the temperature and humidity adjusting device through the driving module so as to adjust the temperature and the humidity to a normal working state; when the air pressure of the air suction pipeline, the flow in the exhaust pipeline and/or the oxygen content exceed the standard, the control system adjusts the opening of the air inlet valve through the driving module so as to adjust the air suction pipeline pressure, the flow in the exhaust pipeline and/or the oxygen content to a normal working state; when the air pressure of the exhaust pipeline exceeds the standard, the intelligent control system adjusts the working parameters of the oxidation fan through the driving module so as to adjust the air pressure of the exhaust pipeline to a normal working state, and when any acquired parameter exceeds the limit working range, the intelligent controller immediately controls the shutdown and alarms through the alarm module.
8. The method for increasing the oxygen content of high-pressure air of an oxidation blower according to claim 5, wherein after step S4, a step of judging whether the work is completed is provided: and (3) stopping the intelligent control system when the work initially set by the intelligent control system is completed or reached, otherwise, turning to the S2 step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350403.1A CN109985452B (en) | 2019-04-28 | 2019-04-28 | Device and method for improving oxygen content of high-pressure air of oxidation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350403.1A CN109985452B (en) | 2019-04-28 | 2019-04-28 | Device and method for improving oxygen content of high-pressure air of oxidation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109985452A CN109985452A (en) | 2019-07-09 |
| CN109985452B true CN109985452B (en) | 2024-06-11 |
Family
ID=67135400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350403.1A Active CN109985452B (en) | 2019-04-28 | 2019-04-28 | Device and method for improving oxygen content of high-pressure air of oxidation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109985452B (en) |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537606A (en) * | 1980-12-19 | 1985-08-27 | Matsushita Electric Industrial Co., Ltd. | Oxygen enriched gas supply arrangement for combustion |
| EP0478481A1 (en) * | 1990-09-24 | 1992-04-01 | Guy Pavese | Method for improving the combustion of a burner with air fan and device for carrying out the method |
| CN1872665A (en) * | 2006-06-08 | 2006-12-06 | 姜政华 | High performance oxygen generator of membrane separation |
| CN101398182A (en) * | 2008-10-15 | 2009-04-01 | 吴仲贤 | Oxygenized air combustion supporting and energy-conserving method for boiler or industrial kiln |
| CN101644441A (en) * | 2009-09-08 | 2010-02-10 | 江苏贝瑞特富氧科技有限公司 | Dry-type film oxygen enriching device |
| CN102092837A (en) * | 2010-12-03 | 2011-06-15 | 中节能六合天融环保科技有限公司 | Aerating device for oxidizing desulfurated waste liquid |
| CN202195498U (en) * | 2011-08-10 | 2012-04-18 | 北京东方华电科技有限公司 | Controllable film method oxygen-enriched air generating device |
| CN202253721U (en) * | 2011-09-09 | 2012-05-30 | 天邦膜技术国家工程研究中心有限责任公司 | Osmotic membrane and oxygen-enriched local oxygenation-increasing and combustion-supporting device for gas or oil industrial boilers |
| CN202253719U (en) * | 2011-08-19 | 2012-05-30 | 大连六合石化有限公司 | Membrane method oxygen-enriched combustion-supporting energy-saving system |
| CN203187457U (en) * | 2013-04-17 | 2013-09-11 | 上海宝钢气体有限公司 | Oxygen-enriched aeration system |
| CN103988806A (en) * | 2014-05-08 | 2014-08-20 | 合肥市航嘉电子技术有限公司 | Novel aerator and circulating aeration system thereof |
| CN104566693A (en) * | 2014-12-29 | 2015-04-29 | 浙江信立实业有限公司 | Central air-conditioning air purification system and method |
| CN104591374A (en) * | 2013-11-04 | 2015-05-06 | 侯双成 | A novel device for oxygenating water |
| KR101534244B1 (en) * | 2014-07-28 | 2015-07-07 | (주) 에코센스 | Power control system for aeration tank using floating type wireless sensing apparatus for off gas |
| CN204786869U (en) * | 2015-07-14 | 2015-11-18 | 李岩娟 | Clean wind oxygen suppliment intelligence all -in -one |
| CN105836901A (en) * | 2016-06-06 | 2016-08-10 | 福建工程学院 | Micro-aeration denitrification biofilter |
| CN206410277U (en) * | 2017-01-18 | 2017-08-15 | 湖南泰瑞医疗科技有限公司 | Oxygen-enriched VMC |
| CN107091503A (en) * | 2017-05-12 | 2017-08-25 | 深圳市得辉达智能科技有限公司 | Outer machine and air-conditioning system |
| CN207102271U (en) * | 2017-07-27 | 2018-03-16 | 中石化南京工程有限公司 | Supersaturated slurries oxidation and aeration and stirring combined unit in a kind of ammonia process of desulfurization |
| CN108568193A (en) * | 2017-06-22 | 2018-09-25 | 北京航空航天大学 | Airplane environment control and fuel tank inerting coupled system based on membrane separation process and method |
| CN210229422U (en) * | 2019-04-28 | 2020-04-03 | 伍祥桂 | Device for increasing oxygen content of high-pressure air of oxidation fan |
-
2019
- 2019-04-28 CN CN201910350403.1A patent/CN109985452B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537606A (en) * | 1980-12-19 | 1985-08-27 | Matsushita Electric Industrial Co., Ltd. | Oxygen enriched gas supply arrangement for combustion |
| EP0478481A1 (en) * | 1990-09-24 | 1992-04-01 | Guy Pavese | Method for improving the combustion of a burner with air fan and device for carrying out the method |
| CN1872665A (en) * | 2006-06-08 | 2006-12-06 | 姜政华 | High performance oxygen generator of membrane separation |
| CN101398182A (en) * | 2008-10-15 | 2009-04-01 | 吴仲贤 | Oxygenized air combustion supporting and energy-conserving method for boiler or industrial kiln |
| CN101644441A (en) * | 2009-09-08 | 2010-02-10 | 江苏贝瑞特富氧科技有限公司 | Dry-type film oxygen enriching device |
| CN102092837A (en) * | 2010-12-03 | 2011-06-15 | 中节能六合天融环保科技有限公司 | Aerating device for oxidizing desulfurated waste liquid |
| CN202195498U (en) * | 2011-08-10 | 2012-04-18 | 北京东方华电科技有限公司 | Controllable film method oxygen-enriched air generating device |
| CN202253719U (en) * | 2011-08-19 | 2012-05-30 | 大连六合石化有限公司 | Membrane method oxygen-enriched combustion-supporting energy-saving system |
| CN202253721U (en) * | 2011-09-09 | 2012-05-30 | 天邦膜技术国家工程研究中心有限责任公司 | Osmotic membrane and oxygen-enriched local oxygenation-increasing and combustion-supporting device for gas or oil industrial boilers |
| CN203187457U (en) * | 2013-04-17 | 2013-09-11 | 上海宝钢气体有限公司 | Oxygen-enriched aeration system |
| CN104591374A (en) * | 2013-11-04 | 2015-05-06 | 侯双成 | A novel device for oxygenating water |
| CN103988806A (en) * | 2014-05-08 | 2014-08-20 | 合肥市航嘉电子技术有限公司 | Novel aerator and circulating aeration system thereof |
| KR101534244B1 (en) * | 2014-07-28 | 2015-07-07 | (주) 에코센스 | Power control system for aeration tank using floating type wireless sensing apparatus for off gas |
| CN104566693A (en) * | 2014-12-29 | 2015-04-29 | 浙江信立实业有限公司 | Central air-conditioning air purification system and method |
| CN204786869U (en) * | 2015-07-14 | 2015-11-18 | 李岩娟 | Clean wind oxygen suppliment intelligence all -in -one |
| CN105836901A (en) * | 2016-06-06 | 2016-08-10 | 福建工程学院 | Micro-aeration denitrification biofilter |
| CN206410277U (en) * | 2017-01-18 | 2017-08-15 | 湖南泰瑞医疗科技有限公司 | Oxygen-enriched VMC |
| CN107091503A (en) * | 2017-05-12 | 2017-08-25 | 深圳市得辉达智能科技有限公司 | Outer machine and air-conditioning system |
| CN108568193A (en) * | 2017-06-22 | 2018-09-25 | 北京航空航天大学 | Airplane environment control and fuel tank inerting coupled system based on membrane separation process and method |
| CN207102271U (en) * | 2017-07-27 | 2018-03-16 | 中石化南京工程有限公司 | Supersaturated slurries oxidation and aeration and stirring combined unit in a kind of ammonia process of desulfurization |
| CN210229422U (en) * | 2019-04-28 | 2020-04-03 | 伍祥桂 | Device for increasing oxygen content of high-pressure air of oxidation fan |
Non-Patent Citations (1)
| Title |
|---|
| ZY-0.75射流式增氧机自动控制系统;刘华;周汉林;;现代农业装备;20070428(第04期);40-44 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109985452A (en) | 2019-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203342628U (en) | Container-type methane purification membrane method purification system | |
| CN208757263U (en) | A kind of Tower for purifying waste gas | |
| CN108033623A (en) | A kind of environment protection sewage is aerated press filtration processing unit | |
| CN210229422U (en) | Device for increasing oxygen content of high-pressure air of oxidation fan | |
| CN209809946U (en) | Online cleaning system for filtering membrane | |
| CN109985452B (en) | Device and method for improving oxygen content of high-pressure air of oxidation fan | |
| CN206500041U (en) | Ozone oxidation pond tail gas recirculation system | |
| CN208649036U (en) | The wastewater treatment equipment of synchronous carbon and nitrogen removal | |
| CN202799901U (en) | Factory farming water purification circulatory system | |
| CN208964753U (en) | FLM wisdom energy saving integrated sewage disposal device | |
| CN208660753U (en) | A kind of farm's foul gas processing unit | |
| CN117361769A (en) | Rural sewage treatment system and method | |
| CN103382074B (en) | Treatment system and process for removing wastewater COD of multistage domesticated yeast | |
| CN206375738U (en) | Oxygen-enriched aeration air-water mixed ultrafiltration membrane | |
| CN110590080A (en) | Biomembrane sewage treatment equipment | |
| CN216191763U (en) | Soy sauce sewage treatment system | |
| CN108064795A (en) | A kind of energy-efficient circulating water culture system | |
| CN212102179U (en) | Water quality control device for sewage treatment system | |
| CN2230757Y (en) | Industrial water purifier by multi-stage countercurrent process | |
| CN209537248U (en) | A kind of emergency landfill leachate treatment equipment | |
| CN207838709U (en) | A kind of intelligent gas monitoring deodoration system | |
| CN111732283A (en) | Sewage purification treatment system | |
| CN201495127U (en) | Multifunctional ozone water generator | |
| CN212425574U (en) | Energy-saving and consumption-reducing system for MBR aerobic biological treatment process | |
| JP2001157895A (en) | Water cleaning method, water cleaning system, cleaning method and cleaning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |