CN114814024B - Fixed pollution source waste gas detection equipment and application method thereof - Google Patents
Fixed pollution source waste gas detection equipment and application method thereof Download PDFInfo
- Publication number
- CN114814024B CN114814024B CN202210449588.3A CN202210449588A CN114814024B CN 114814024 B CN114814024 B CN 114814024B CN 202210449588 A CN202210449588 A CN 202210449588A CN 114814024 B CN114814024 B CN 114814024B
- Authority
- CN
- China
- Prior art keywords
- pipe
- output end
- waste gas
- exhaust gas
- cooling
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/024—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Drying Of Gases (AREA)
Abstract
The utility model relates to the technical field of environmental protection, in particular to fixed pollution source waste gas detection equipment and a using method thereof; the fixed pollution source waste gas detection equipment comprises a cooling component, a drying component, a filtering component and a detection component which are sequentially arranged in a shell, wherein a temperature control component is further arranged in the shell and used for providing cold energy for the cooling component, the temperature control component is used for providing heat for the detection component, the input end of the cooling component and the output end of the detection component are respectively communicated with the input end and the output end of a discharge pipe, the input end of the discharge pipe is arranged at the output end of a waste gas purification device, the output end of the discharge pipe is further provided with a circulating pipe, the output end of the discharge pipe and the circulating pipe are respectively provided with a first electromagnetic valve, and a turbulent flow component is arranged in a pipe body of the input end of the discharge pipe; the utility model can effectively solve the problems of poor detection precision, poor reliability and the like in the prior art.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to fixed pollution source waste gas detection equipment and a using method thereof.
Background
Organic waste gases are the most common pollutants discharged by petrochemical, paint, pharmaceutical, printing. These organic waste gases cause air pollution and harm to human health, most of which are toxic to human health and the environment. Some organic materials are classified as carcinogens such as benzene, polycyclic aromatic hydrocarbons, vinyl chloride, acetonitrile, and the like. Because of the risk of volatile organic gases, most enterprises do not generate a certain amount of waste gas in the production process, and the generated waste gas is inevitably polluted by the air when being directly discharged into the atmosphere, the current fact is that the waste gas generated in industrial production is various, and along with the strengthening of the awareness of various countries on environmental protection, the waste gas monitoring technology is also rapidly developed.
The application number is: the patent document of CN201822214498.8 discloses an exhaust gas detection device for fixing a pollution source VOC, relates to the technical field of environmental protection, and the exhaust gas detection device comprises a collection device, a processor, a memory and an audible-visual annunciator, wherein an air inlet end of the collection device is communicated with an air inlet pipeline, and an air outlet end of the collection device is communicated with a conveying pipeline. In case the content exceeds the standard, the processor sends an instruction to the servo motor and the audible and visual alarm through the controller, the audible and visual alarm carries out audible and visual alarm, the servo motor drives the conversion column to rotate at the same time, and the waste gas is sent to the recovery pipeline to be continuously conveyed to the purification device.
However, the following disadvantages still exist in the practical application process:
first: the detection accuracy is poor because the exhaust gas contains much moisture and solid impurity particles, which may cause interference with the detection of the concentration of the exhaust gas.
Second,: the reliability is poor because the gas channel is completely conducted to the outside, so that when the gas channel detects that the concentration of the waste gas in the channel exceeds the standard and converts the channel, part of the exceeding waste gas leaks into the outside environment, thereby causing environmental pollution.
Disclosure of Invention
The present utility model aims to solve the drawbacks of the prior art and to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the equipment for detecting the waste gas of the fixed pollution source comprises a cooling component, a drying component, a filtering component and a detecting component which are sequentially arranged in a shell, wherein a temperature control component is further arranged in the shell;
the temperature control assembly provides cooling capacity for the cooling assembly, and the temperature control assembly provides heat for the detection assembly;
the input end of cooling module, the output of detecting element communicate respectively to the input of exhaust pipe, output, the input setting of exhaust pipe is at exhaust gas purification device's output, the output of exhaust pipe still is equipped with the circulating pipe, all be equipped with first solenoid valve on the output of exhaust pipe and the circulating pipe.
Still further, the body of exhaust pipe input is equipped with vortex subassembly in, the vortex subassembly is including first check valve, the anti-hair-dryer and the scattered flow board that set gradually.
Still further, be equipped with servo motor on the face of scattered flow plate output one side, servo motor shaft is located scattered flow plate input, the tip of output one side all is equipped with and scatters flow plate complex brush cleaner, still be equipped with the earth connection on the scattered flow plate.
Further, the cooling assembly comprises an air pump and a cooler which are sequentially arranged, the interior of the cooler is sequentially divided into an input cavity, a cooling cavity and an output cavity along the axial direction of the cooler, a group of cooling pipes are arranged in the cooling cavity in parallel, and two ends of each cooling pipe are respectively communicated with the input cavity and the output cavity;
the drying assembly comprises a three-way pipe, second electromagnetic valves and drying cylinders, wherein the number of the drying cylinders is two, the top ends and the bottom ends of the two drying cylinders are connected through the three-way pipe, and the second electromagnetic valves are arranged on pipe bodies connected with the drying cylinders;
the filter assembly comprises a filter cylinder, a filter plate, a driving motor, a support, pulse valves, a pulse pump, a recovery pump and a guide pipe, wherein the filter plate matched with the filter cylinder is coaxially and rotationally and dynamically installed in the filter cylinder, the filter plate is driven to rotate by the driving motor arranged in the filter cylinder, two supports are symmetrically arranged in the filter cylinder, the supports are radial, the two supports are respectively positioned at the positions of the surfaces of the two sides of the filter plate, the support positioned at one side of an output end of the filter plate is symmetrically provided with the pulse valves, the support positioned at one side of the input end of the filter plate is provided with grooves on the surface of the support positioned at one side of the filter plate close to the filter plate, the input end and the output end of the pulse pump are respectively provided with the guide pipes, the guide pipes of the output end of the pulse pump are connected with the support positioned at one side of the output end of the filter plate and are communicated with the pulse valves, and the guide pipes of the input end of the recovery pump are connected with the support positioned at one side of the filter plate.
Furthermore, an ultrasonic vibrator is further arranged on the inner wall of the cooling cavity, branch pipes are arranged at the upper end of the input end of the cooler and the lower end of the output end of the cooler, the branch pipes are communicated with the cooling cavity, and cooling liquid is pre-filled in the cooling cavity; the lower end of the output end of the cooler is also provided with a liquid discharge pipe for conducting the output cavity.
Furthermore, a horizontal plate is coaxially arranged in the drying cylinder, ventilation holes are densely distributed on the horizontal plate, silicon dioxide dehumidification particles with the size larger than that of the ventilation holes are filled in the drying cylinder, and a pressure sensor matched with the horizontal plate and the inner wall of the drying cylinder is also arranged at the installation position of the horizontal plate and the inner wall of the drying cylinder; the electric heating wire is buried in the wall of the drying cylinder, a return pipe is further arranged at the top of the drying cylinder, and third electromagnetic valves are arranged on the return pipes.
Still further, be equipped with electrostatic precipitator box and ozone decomposition box on the pipe of recovery pump output in proper order on again communicate to the input of cartridge filter, the pipe connection of pulse valve input is on the output of ozone decomposition box.
Still further, the detection component comprises a gas pressure sensor, a temperature sensor, a weather chromatograph and a controller, wherein the gas pressure sensor and the temperature sensor are both arranged inside the gas chromatograph, the gas chromatograph is also provided with a heat conducting fin, the output end of the gas chromatograph is connected to a discharge pipe through a gas outlet pipe, and the input end of the gas chromatograph is connected with the output end of a filter cartridge through a gas inlet pipe;
the temperature control assembly comprises semiconductor refrigerating sheets, radiating fin plates, radiating fans, refrigerating pipes, heat supply pipes, liquid supply pumps and liquid supply pipes, wherein the refrigerating pipes are symmetrically provided with mounting grooves, each mounting groove is provided with a pair of radiating fin plates in a back-to-back mode, two opposite radiating fin plates are respectively provided with the semiconductor refrigerating sheets, the cold ends and the hot ends of the semiconductor refrigerating sheets are respectively attached to the radiating fin plates facing the inner ends of the mounting grooves and the outer ends of the mounting grooves, the radiating fin plates facing the outer ends of the mounting grooves are respectively provided with the radiating fans, hot gas output by the radiating fans enters the heat supply pipes, and the other ends of the heat supply pipes are arranged on the heat conducting sheets.
Further, the refrigerating pipe is connected with any one branch pipe, and the other branch pipe is connected with the refrigerating pipe through a liquid supply pipe; the air inlet pipe is also provided with a pressurizing pump and a second one-way valve, and the air outlet pipe is also provided with a third one-way valve.
The application method of the fixed pollution source waste gas detection device comprises the following steps:
s1, connecting an input end of a discharge pipe to an output end of an exhaust gas purification treatment device, connecting an output end of a return pipe to an input end of the exhaust gas purification treatment device, connecting an output end of a liquid discharge pipe to an input end of the exhaust gas purification treatment device, and connecting an output end of a circulating pipe to an input end of the exhaust gas purification treatment device;
s2, setting appointed parameters and working modes for the controller, and then starting the controller;
s3, the controller instructs a first electromagnetic valve on the discharge pipe to be closed, instructs a first electromagnetic valve on the circulating pipe to be closed, instructs a second electromagnetic valve on the same horizontal side of the two three-way pipes to be started, instructs another second electromagnetic valve on the three-way pipe to be closed, and instructs the semiconductor refrigerating sheet, the liquid supply pump, the heat dissipation fan, the driving motor, the pulse pump, the recovery pump, the electrostatic dust removal box 409, the ozone decomposition box and the gas chromatograph to be started;
s4, the controller instructs the waste gas purifying treatment device to treat waste gas and outputs the treated waste gas to the discharge pipe;
s5, the controller instructs the air pump to start, so that the waste gas in the discharge pipe is pumped into the cooler for cooling;
s6, the cooled waste gas enters a drying cylinder for drying, so that the moisture contained in the waste gas is removed;
s7, the dried waste gas enters a filter cartridge so as to remove solid impurity particles contained in the waste gas;
s8, the filtered waste gas enters a gas chromatograph to be detected, the detected gas is sent back to the discharge pipe again, so that the content of harmful substances in the waste gas is accurately obtained, the controller compares the detection result with a specified discharge index, if the detection result is smaller than or equal to the specified discharge index, the current waste gas is indicated to meet the discharge standard, and if the detection result is larger than the specified discharge index, the current waste gas is indicated to not meet the discharge standard;
s9, if the controller continuously detects that the time of the exhaust gas meeting the specified emission index reaches the set value duration in the process of S9, the controller judges that the treatment effect of the exhaust gas purification treatment device on the exhaust gas with the specified volume meets the standard, and the controller instructs a first one-way valve on the circulating pipe to be closed and instructs a first one-way valve on the emission pipe to be opened, so that the exhaust gas after the treatment meets the standard is completely emitted to the external environment;
s10, in the S9, the specified volume of the exhaust gas is stored in a specified storage device in the exhaust gas purification treatment device in advance;
s11, in the above S6, the controller monitors the weight of the silica dehumidification particles in the drying cylinder in real time through the pressure sensor, so as to detect the water content of the silica dehumidification particles, when the controller detects that the weight of the silica dehumidification particles in the drying cylinder reaches a specified value, the controller immediately instructs the channels at two ends of the drying cylinder to be closed and immediately starts up the other drying cylinder, and then instructs the electric heating wire on the drying cylinder to be started and instructs the third electromagnetic valve on the return pipe on the drying cylinder to be opened, so as to regenerate the silica dehumidification particles in the drying cylinder.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, the cooling component, the drying component, the filtering component and the detecting component are sequentially arranged in the shell, and in addition, the design of the temperature control component for providing cooling capacity for the cooling component and providing heat for the detecting component is also arranged in the shell.
The waste gas can be subjected to cooling, drying, dehumidification, filtering and dedusting in sequence through the cooling component, the drying component and the filtering component, and then the dried and dust-free waste gas can be detected through the detection component, so that the accurate value of the concentration of various harmful gases in the waste gas can be obtained. Thereby achieving the effect of enabling the utility model to have higher detection precision.
2. According to the utility model, the cooling component, the drying component, the filtering component and the detecting component are sequentially arranged in the shell, the input end of the cooling component and the output end of the detecting component are respectively communicated with the input end and the output end of the exhaust pipe, the input end of the exhaust pipe is arranged at the output end of the exhaust gas purifying device, the output end of the exhaust pipe is also provided with the circulating pipe, the output end of the exhaust pipe and the circulating pipe are both provided with the first electromagnetic valve, the lower end of the output end of the cooler is also provided with the liquid discharge pipe for conducting the output cavity, the wall of the drying cylinder is also buried with the electric heating wire, the top of the drying cylinder is also provided with the return pipe, the return pipes are both provided with the third electromagnetic valve, and the output end of the gas chromatograph is connected to the exhaust pipe through the air outlet pipe; in addition, the input of exhaust pipe is connected at exhaust purification processing apparatus's output, and the output of return pipe is connected at exhaust purification processing apparatus's input, and the output of fluid-discharge pipe is connected at exhaust purification processing apparatus's input, and the output of circulating pipe is connected at exhaust purification processing apparatus's input's design.
In this way, the waste gas can be dynamically, continuously and accurately detected through the detection component, and the waste gas can be discharged to the external environment only after all waste gas is treated to reach the standard; thereby achieving the effect of enabling the utility model to have better environmental protection reliability.
Drawings
Fig. 1 is a visual diagram of the present utility model at a first viewing angle.
Fig. 2 is a schematic view of the drain pipe of the present utility model, partially cut away, at a second view angle.
Fig. 3 is a schematic diagram showing connection relationships among the cooling module, the drying module, the filtering module, the detecting module and the temperature control module under a third view angle according to the present utility model.
Fig. 4 is a schematic view of the drying cylinder of the fourth view of the present utility model, partially cut away.
Fig. 5 is an isometric view of a filter assembly of the present utility model with a filter cartridge partially cut away from a fifth view.
Fig. 6 is a schematic view of a cooler according to a sixth aspect of the present utility model, partially cut away.
Fig. 7 is an exploded view of a temperature control assembly according to a seventh aspect of the present utility model.
Fig. 8 is an enlarged view of area a in fig. 3.
Reference numerals in the drawings represent respectively:
100-a housing; 101-a discharge pipe; 102-circulating pipe; 103-a first solenoid valve;
200-cooling assembly; 201-an air pump; 202-a cooler; 203-cooling pipes; 204-an ultrasonic vibrator; 205-branch pipes; 206-a drain;
300-a drying assembly; 301-three-way pipe; 302-a second solenoid valve; 303-a drying cylinder; 304-horizontal plates; 305-return pipe; 306-a third solenoid valve; 307-electric heating wires;
400-a filter assembly; 401-a filter cartridge; 402-a filter plate; 403-driving motor; 404-a bracket; 405-pulse valve; 406-pulse pump; 407-a recovery pump; 408-a catheter; 409-electrostatic precipitator box; 410-an ozonolysis cassette;
500-detecting assembly; 501-an air pressure sensor; 502-a temperature sensor; 503-gas chromatograph; 504-a controller; 505-thermally conductive sheet; 506-an air outlet pipe; 507-air inlet pipe; 508-a booster pump; 509-a second one-way valve; 510-a third one-way valve;
600-a temperature control assembly; 601-semiconductor refrigerating sheet; 602-radiating fin plates; 603-a heat radiation fan; 604-a refrigeration tube; 605-a heat supply pipe; 606-a liquid feed pump; 607-a liquid supply pipe; 608-mounting slots;
700-spoiler assembly; 701-a first one-way valve; 702-a counter-blowing machine; 703-a diffuser plate; 704-a servo motor; 705-cleaning brush.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
A stationary pollution source exhaust gas detection device of the present embodiment, referring to fig. 1 to 8: including setting gradually cooling module 200, drying module 300, filtering module 400 and the detection subassembly 500 in shell 100, still be equipped with control by temperature change subassembly 600 in the shell 100, control by temperature change subassembly 600 provides the cold volume for cooling module 200, control by temperature change subassembly 600 provides the heat for detection subassembly 500, cooling module 200's input, detection subassembly 500's output communicates respectively to exhaust pipe 101's input, output, exhaust pipe 101's input sets up at exhaust gas purification device's output, exhaust pipe 101's output still is equipped with circulating pipe 102, all be equipped with first solenoid valve 103 on exhaust pipe 101's the output and the circulating pipe 102.
The cooling assembly 200 comprises an air pump 201 and a cooler 202 which are sequentially arranged, wherein the inside of the cooler 202 is sequentially divided into an input cavity, a cooling cavity and an output cavity along the axial direction of the cooler, a group of cooling pipes 203 are arranged in the cooling cavity in parallel, and two ends of the cooling pipes 203 are respectively communicated with the input cavity and the output cavity.
Notably, are: the upper end of the input end of the cooler 202 and the lower end of the output end of the cooler 202 are respectively provided with a branch pipe 205, the branch pipes 205 are respectively communicated with a cooling cavity, and cooling cavities are pre-filled with cooling liquid (in the embodiment, the cooling liquid is pure water). The inner wall of the cooling cavity is further provided with an ultrasonic vibrator 204, so that the cooling liquid in the cooling cavity can be fully mixed through the vibration of the ultrasonic vibrator 204, and the temperature of the cooling liquid is the same at all parts of the section of the cooler 202 at the same position along the axial direction of the cooling pipe, so that the cooling effect of the exhaust gas in each cooling pipe 203 is the same. In addition, the vibration action of the ultrasonic vibrator 204 can also prevent the cooling liquid from freezing under the refrigeration action of the semiconductor refrigeration sheet 601.
Notably, are: since the high-temperature exhaust gas is rapidly cooled in the cooling pipe 203 to generate water vapor, the water vapor is condensed into water droplets and attached to the inner wall of the cooling pipe 203, and the water droplets slide down into the output chamber under the action of gravity when the mass of the water droplets reaches a certain value, a drain pipe 206 for conducting the output chamber needs to be provided at the lower end of the output end of the cooler 202 in order to concentrate and timely discharge the wastewater in the output chamber.
The drying assembly 300 comprises a three-way pipe 301, a second electromagnetic valve 302 and drying cylinders 303, wherein the number of the drying cylinders 303 is two, the top ends and the bottom ends of the two drying cylinders 303 are connected through the three-way pipe 301, and the pipe bodies connected with the three-way pipe 301 and the drying cylinders 303 are respectively provided with the second electromagnetic valve 302.
Wherein, the drying cylinder 303 is coaxially provided with a horizontal plate 304, the horizontal plate 304 is densely provided with ventilation holes, the drying cylinder 303 is internally filled with silicon dioxide dehumidifying particles with the size larger than that of the ventilation holes, and the drying cylinder 303 is nontoxic and odorless, has no contact corrosiveness, has good chemical stability and can be repeatedly used for a plurality of times.
In addition, the installation place of the horizontal plate 304 and the inner wall of the drying cylinder 303 is also provided with a pressure sensor matched with the horizontal plate 304, so that the water content of the silica dehumidification particles on the horizontal plate 304 can be detected through the pressure sensor, and the water absorption capacity of the silica dehumidification particles can be indirectly judged.
In addition, an electric heating wire 307 is buried in the wall of the drying cylinder 303, a return pipe 305 is further arranged at the top of the drying cylinder 303, and third electromagnetic valves 306 are respectively arranged on the return pipes 305.
The filter assembly 400 comprises a filter cartridge 401, a filter plate 402, a driving motor 403, supports 404, pulse valves 405, a pulse pump 406, a recovery pump 407 and a conduit 408, the filter plate 402 matched with the filter cartridge 401 is coaxially and rotationally and dynamically installed in the filter cartridge 401, the filter plate 402 is rotationally driven by the driving motor 403 arranged in the filter cartridge 401, two supports 404 are symmetrically arranged in the filter cartridge 401 (namely, the projections of the two supports 404 on the filter plate 402 are completely overlapped), the supports 404 are in a radial shape, the supports 404 are respectively positioned at the positions of the surfaces of two sides of the filter plate 402, the supports 404 positioned at the output end side of the filter plate 402 are symmetrically provided with the pulse valves 405, the surfaces of the supports 404 positioned at the input end side of the filter plate 402, which are close to the filter plate 402, are provided with grooves, the pulse pump 406 and the recovery pump 407 are respectively arranged outside the filter cartridge 401, the input end and the output end of the pulse pump 406 are respectively provided with the conduit 408, the conduit 408 at the output end of the pulse pump 406 is connected with the supports 404 at the output end side of the filter plate 402 and is communicated with the pulse valves 405, and the conduit 408 at the input end of the recovery pump 407 is connected with the support at the input end side of the filter plate 402.
In addition, the conduit 408 at the output end of the recovery pump 407 is sequentially provided with an electrostatic dust collection box 409 and an ozone decomposition box 410, and then is connected to the input end of the filter cartridge 401, and the conduit 408 at the input end of the pulse valve 405 is connected to the output end of the ozone decomposition box 410.
In this way, the filter plate 402 can be driven to rotate by the driving motor 403, then the pulse valve 405 continuously emits pulse air flow, so that solid impurity particles blocked at the filtering holes on one side surface of the input end of the filter plate 402 are blown away, then the blown solid impurity particles are captured by negative pressure in the grooves and enter the electrostatic precipitator box 409, the electrostatic precipitator box 409 completely adsorbs impurities in the exhaust gas and outputs dust-free exhaust gas to the ozone decomposition box 410 (the exhaust gas is ionized to generate certain ozone in the process, and the ozone can interfere with the detection result of the detection assembly 500), then the ozone decomposition box 410 rapidly decomposes and reduces ozone in the exhaust gas (so as to eliminate ozone in the exhaust gas), and then the ozone decomposition box 410 retransmits the exhaust gas to the input end of the filter cartridge 401.
The detection assembly 500 comprises a gas pressure sensor 501, a temperature sensor 502, a weather chromatograph and a controller 504, wherein the gas pressure sensor 501 and the temperature sensor 502 are arranged inside the gas chromatograph 503, a heat conducting plate 505 is further arranged on the gas chromatograph 503, the output end of the gas chromatograph 503 is connected to the discharge pipe 101 through an air outlet pipe 506, and the input end of the gas chromatograph 503 is connected with the output end of the filter cartridge 401 through an air inlet pipe 507.
In addition, the air inlet pipe 507 is further provided with a pressurizing pump 508 and a second one-way valve 509, and the air outlet pipe 506 is further provided with a third one-way valve 510.
The temperature control assembly 600 comprises a semiconductor refrigerating plate 601, radiating fin plates 602, radiating fans 603, refrigerating pipes 604, heating pipes 605, a liquid supply pump 606 and a liquid supply pipe 607, wherein the refrigerating pipes 604 are symmetrically provided with mounting grooves 608, each mounting groove 608 is provided with a pair of radiating fin plates 602 in a back-to-back mode, the semiconductor refrigerating plate 601 is arranged between the two radiating fin plates 602 in the back-to-back mode, the cold ends and the hot ends of the semiconductor refrigerating plate 601 are respectively attached to the radiating fin plates 602 facing the inner ends of the mounting grooves 608 and the outer ends of the mounting grooves 608, the radiating fin plates 602 facing the outer ends of the mounting grooves 608 are respectively provided with the radiating fans 603, hot gas output by the radiating fans 603 is fed into the heating pipes 605, the other ends of the heating pipes 605 are arranged on the heat conducting plates 505, and the liquid supply pump 606 is arranged on the liquid supply pipe 607.
In this embodiment, the cooling tube 604 has a regular polygon shape in its radial cross section, which can facilitate the installation of the heat dissipation fin 602.
The refrigerating pipe 604 is connected to any one of the branch pipes 205, and the other branch pipe 205 is connected to the refrigerating pipe 604 through a liquid supply pipe 607.
The inside vortex subassembly 700 that is equipped with of body of discharge tube 101 input, vortex subassembly 700 include the first check valve 701, counter blower 702 and the diffuser plate 703 that set gradually. This makes it possible to make the exhaust gas output from the exhaust pipe 101 uniform and slow (i.e., the distribution of various harmful substances in the exhaust gas uniform), thereby enabling the suction pump 201 to suck the exhaust gas having a uniform content, thereby ensuring the accuracy of the detection result of the detection assembly 500.
The servo motor 704 is arranged on the plate surface at one side of the output end of the dispersion plate 703, the motor shaft of the servo motor 704 is positioned at the input end of the dispersion plate 703, and the end part at one side of the output end is provided with the cleaning brush 705 matched with the dispersion plate 703, so that the servo motor 704 can drive the cleaning brush 705 to rotate to clean the plate surface of the dispersion plate 703, thereby cleaning solid impurity particles on the dispersion plate 703, and simultaneously avoiding the solid impurity particles from blocking the dispersion holes on the dispersion plate 703.
In addition, the diffusion plate 703 is further provided with a grounding wire, so that static electricity accumulated on the diffusion plate 703 due to friction can be eliminated, and dust collection of solid impurity particles on the diffusion plate 703 due to static electricity can be avoided. Similarly, a ground wire may be attached to the filter board 402.
The application method of the fixed pollution source waste gas detection device comprises the following steps:
s1, the input end of the discharge pipe 101 is connected to the output end of the exhaust gas purification device, the output end of the return pipe 305 is connected to the input end of the exhaust gas purification device, the output end of the drain pipe 206 is connected to the input end of the exhaust gas purification device, and the output end of the circulation pipe 102 is connected to the input end of the exhaust gas purification device.
S2, setting specified parameters and operation modes for the controller 504, and then starting the controller 504.
S3, the controller 504 instructs the first electromagnetic valve 103 on the discharge pipe 101 to close, instructs the first electromagnetic valve 103 on the circulation pipe 102 to close, instructs the second electromagnetic valve 302 on the same horizontal side of the two three-way pipes 301 to start, and instructs the other second electromagnetic valve 302 on the three-way pipe 301 to close, instructs the semiconductor refrigerating sheet 601, the liquid supply pump 606, the heat radiation fan 603, the driving motor 403, the pulse pump 406, the recovery pump 407, the electrostatic precipitator box 409, the ozonolysis box 410 and the gas chromatograph 503 to start.
S4, the controller 504 instructs the exhaust gas purification treatment device to treat the exhaust gas, and outputs the treated exhaust gas to the discharge pipe 101.
S5, the controller 504 instructs the suction pump 201 to start, thereby sucking the exhaust gas in the exhaust pipe 101 into the cooler 202 for cooling.
And S6, the cooled waste gas enters a drying cylinder 303 for drying, so that the moisture contained in the waste gas is removed.
And S7, the dried waste gas enters the filter cartridge 401, so that solid impurity particles contained in the waste gas are removed.
S8, the filtered waste gas enters the gas chromatograph 503 to be detected, and the detected gas is sent back to the discharge pipe 101 again, so that the content of harmful substances in the waste gas is accurately obtained, the controller 504 compares the detection result with a specified discharge index, if the detection result is smaller than or equal to the specified discharge index, the current waste gas is indicated to meet the discharge standard, and if the detection result is larger than the specified discharge index, the current waste gas is indicated to not meet the discharge standard.
And S9, if the controller 504 continuously detects that the time of the exhaust gas meeting the specified emission index reaches the set value duration in the process of S9, the controller 504 judges that the treatment effect of the exhaust gas purification treatment device on the specified volume of the exhaust gas meets the standard, and the controller 504 instructs the first one-way valve 701 on the circulation pipe 102 to be closed and instructs the first one-way valve 701 on the discharge pipe 101 to be opened, so that the exhaust gas after the treatment meets the standard is completely discharged to the external environment.
S10, in S9, the predetermined volume of the exhaust gas is stored in the predetermined storage device in the exhaust gas purifying device.
S11, in the above S6, the controller 504 monitors the weight of the silica dehumidification particles in the drying cylinder 303 in real time by means of the pressure sensor, so as to detect the water content of the silica dehumidification particles, when the controller 504 detects that the weight of the silica dehumidification particles in the drying cylinder 303 reaches a specified value, the controller 504 immediately instructs the channels at both ends of the drying cylinder 303 to be closed and immediately activates the other drying cylinder 303, and then the controller 504 instructs the electric heating wire 307 on the drying cylinder 303 to be started and instructs the third electromagnetic valve 306 on the return pipe 305 on the drying cylinder 303 to be opened, thereby performing the regeneration process on the silica dehumidification particles in the drying cylinder 303.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (9)
1. A stationary source of pollution exhaust gas detection device, characterized in that: the device comprises a cooling component (200), a drying component (300), a filtering component (400) and a detecting component (500) which are sequentially arranged in a shell (100), wherein a temperature control component (600) is further arranged in the shell (100);
the temperature control assembly (600) provides cold energy for the cooling assembly (200), and the temperature control assembly (600) provides heat for the detection assembly (500);
the input end of the cooling assembly (200) and the output end of the detection assembly (500) are respectively communicated with the input end and the output end of the discharge pipe (101), the input end of the discharge pipe (101) is arranged at the output end of the waste gas purifying device, the output end of the discharge pipe (101) is also provided with a circulating pipe (102), and the output end of the discharge pipe (101) and the circulating pipe (102) are both provided with a first electromagnetic valve (103);
the cooling assembly (200) comprises an air pump (201) and a cooler (202) which are sequentially arranged, wherein the interior of the cooler (202) is sequentially divided into an input cavity, a cooling cavity and an output cavity along the axial direction of the cooler, a group of cooling pipes (203) are arranged in the cooling cavity in parallel, and two ends of each cooling pipe (203) are respectively communicated with the input cavity and the output cavity;
the drying assembly (300) comprises a three-way pipe (301), a second electromagnetic valve (302) and drying cylinders (303), wherein the number of the drying cylinders (303) is two, the top ends and the bottom ends of the two drying cylinders (303) are connected through the three-way pipe (301), and the second electromagnetic valve (302) is arranged on a pipe body connected with the drying cylinders (303) through the three-way pipe (301);
the filter assembly (400) comprises a filter cartridge (401), a filter plate (402), a driving motor (403), a support (404), pulse valves (405), a pulse pump (406), a recovery pump (407) and a guide pipe (408), wherein the filter plate (402) matched with the filter cartridge is coaxially and rotationally and dynamically arranged in the filter cartridge (401), the filter plate (402) is driven to rotate by the driving motor (403) arranged in the filter cartridge (401), two supports (404) are symmetrically arranged in the filter cartridge (401), the supports (404) are radial, the two supports (404) are respectively arranged at the plate surfaces of two sides of the filter plate (402), the pulse valves (405) are symmetrically arranged on the supports (404) positioned at one side of the output end of the filter plate (402), grooves are formed in the plate surfaces of the supports (404) positioned at one side of the input end of the filter plate (402) close to the filter plate (402), the pulse pumps (406) and the recovery pump (407) are both arranged outside the filter cartridge (401), the input ends of the pulse pumps (406) and the guide pipe (408) are respectively provided with pulse valves (408) at one side of the output end of the filter plate (402) which is communicated with the output end of the pulse pumps (408), a conduit (408) at the input end of the recovery pump (407) is connected with a bracket (404) at one side of the input end of the filter plate (402) and is communicated with the groove.
2. The fixed pollution source exhaust gas detection device according to claim 1, wherein a turbulence assembly (700) is arranged in a tube body at an input end of the exhaust tube (101), and the turbulence assembly (700) comprises a first one-way valve (701), a counter blower (702) and a diffuser plate (703) which are sequentially arranged.
3. The fixed pollution source waste gas detection device according to claim 2, wherein a servo motor (704) is arranged on the board surface on one side of the output end of the dispersion board (703), the motor shaft of the servo motor (704) is positioned at the input end of the dispersion board (703), cleaning brushes (705) matched with the dispersion board (703) are arranged at the end parts on one side of the output end, and a grounding wire is further arranged on the dispersion board (703).
4. The fixed pollution source waste gas detection device according to claim 2, wherein an ultrasonic vibrator (204) is further arranged on the inner wall of the cooling cavity, branch pipes (205) are respectively arranged at the upper end of the input end of the cooler (202) and the lower end of the output end of the cooler, the branch pipes (205) are respectively communicated with the cooling cavity, and cooling liquid is pre-filled in the cooling cavity; the lower end of the output end of the cooler (202) is also provided with a liquid discharge pipe (206) for conducting the output cavity.
5. The fixed pollution source exhaust gas detection device according to claim 4, wherein a horizontal plate (304) is coaxially arranged inside the drying cylinder (303), ventilation holes are densely distributed on the horizontal plate (304), silica dehumidification particles with a size larger than that of the ventilation holes are filled inside the drying cylinder (303), and a pressure sensor matched with the horizontal plate (304) and the installation position of the inner wall of the drying cylinder (303) is further arranged at the installation position of the horizontal plate and the inner wall of the drying cylinder; an electric heating wire (307) is buried in the wall of the drying cylinder (303), a return pipe (305) is further arranged at the top of the drying cylinder (303), and third electromagnetic valves (306) are arranged on the return pipes (305).
6. The fixed pollution source exhaust gas detection device according to claim 5, wherein the conduit (408) at the output end of the recovery pump (407) is sequentially provided with an electrostatic dust collection box (409) and an ozone decomposition box (410) and then is communicated to the input end of the filter cartridge (401), and the conduit (408) at the input end of the pulse valve (405) is connected to the output end of the ozone decomposition box (410).
7. The fixed pollution source exhaust gas detection device according to claim 6, wherein the detection assembly (500) comprises a gas pressure sensor (501), a temperature sensor (502), a weather chromatograph and a controller (504), wherein the gas pressure sensor (501) and the temperature sensor (502) are arranged inside the gas chromatograph (503), a heat conducting sheet (505) is further arranged on the gas chromatograph (503), an output end of the gas chromatograph (503) is connected to the exhaust pipe (101) through a gas outlet pipe (506), and an input end of the gas chromatograph (503) is connected with an output end of the filter cartridge (401) through a gas inlet pipe (507);
the temperature control assembly (600) comprises a semiconductor refrigerating sheet (601), radiating fin plates (602), radiating fans (603), refrigerating pipes (604), a heating pipe (605), a liquid supply pump (606) and a liquid supply pipe (607), wherein installation grooves (608) are symmetrically formed in the refrigerating pipes (604), a pair of radiating fin plates (602) are arranged on the installation grooves (608) in a back-to-back mode, semiconductor refrigerating sheets (601) are arranged between the two radiating fin plates (602) in a back-to-back mode, cold ends and hot ends of the semiconductor refrigerating sheets (601) are respectively attached to the radiating fin plates (602) facing the inner ends of the installation grooves (608) and the outer ends of the installation grooves (608), the radiating fin plates (602) facing the outer ends of the installation grooves (608) are respectively provided with the radiating fans (603), hot air output by the radiating fans (603) is enabled to enter the heat supply pipes (605), the other ends of the heat supply pipes (605) are arranged on the heat conducting sheets (505), and the liquid supply pump (606) is arranged on the liquid supply pipe (607).
8. A stationary source exhaust gas detection apparatus according to claim 7, characterized in that said cooling pipe (604) is connected to any one of the branch pipes (205), and the other of said branch pipes (205) is connected to the cooling pipe (604) through a liquid supply pipe (607); the air inlet pipe (507) is also provided with a booster pump (508) and a second one-way valve (509), and the air outlet pipe (506) is also provided with a third one-way valve (510).
9. The method of using a stationary source exhaust gas detection apparatus according to claim 8, comprising the steps of:
s1, connecting an input end of a discharge pipe (101) to an output end of an exhaust gas purification treatment device, connecting an output end of a return pipe (305) to an input end of the exhaust gas purification treatment device, connecting an output end of a liquid discharge pipe (206) to an input end of the exhaust gas purification treatment device, and connecting an output end of a circulating pipe (102) to an input end of the exhaust gas purification treatment device;
s2, setting specified parameters and working modes for the controller (504), and then starting the controller (504);
s3, a controller (504) instructs a first electromagnetic valve (103) on a discharge pipe (101) to be closed, instructs the first electromagnetic valve (103) on a circulating pipe (102) to be closed, instructs a second electromagnetic valve (302) on the same horizontal side of two three-way pipes (301) to be started, instructs the other second electromagnetic valve (302) on the three-way pipe (301) to be closed, instructs a semiconductor refrigerating sheet (601), a liquid supply pump (606), a heat radiation fan (603), a driving motor (403), a pulse pump (406), a recovery pump (407), an electrostatic dust removal box (409), an ozone decomposition box (410) and a gas chromatograph (503) to be started;
s4, the controller (504) instructs the waste gas purifying treatment device to treat waste gas, and outputs the treated waste gas to the discharge pipe (101);
s5, the controller (504) instructs the air pump (201) to start, so that the waste gas in the discharge pipe (101) is pumped into the cooler (202) for cooling;
s6, the cooled waste gas enters a drying cylinder (303) for drying, so that the moisture contained in the waste gas is removed;
s7, the dried waste gas enters a filter cartridge (401) so as to remove solid impurity particles contained in the waste gas;
s8, the filtered waste gas enters a gas chromatograph (503) for detection, and the detected gas is sent back to an exhaust pipe (101) again, so that the content of harmful substances in the waste gas is accurately obtained, a controller (504) compares the detection result with a specified emission index, if the detection result is smaller than or equal to the specified emission index, the current waste gas is in accordance with the emission standard, and if the detection result is larger than the specified emission index, the current waste gas is not in accordance with the emission standard;
s9, if the controller (504) continuously detects that the time of the exhaust gas meeting the specified emission index reaches the set value duration in the process of S9, the controller (504) judges that the treatment effect of the exhaust gas purification treatment device on the exhaust gas with the specified volume meets the standard, and the controller (504) instructs a first one-way valve (701) on the circulating pipe (102) to be closed and instructs the first one-way valve (701) on the exhaust pipe (101) to be opened, so that the exhaust gas after the treatment meets the standard is completely emitted to the external environment;
s10, in the S9, the specified volume of the exhaust gas is stored in a specified storage device in the exhaust gas purification treatment device in advance;
s11, in the step S6, the controller (504) monitors the weight of the silica dehumidification particles in the drying cylinder (303) in real time through the pressure sensor, so that the water content of the silica dehumidification particles is detected, when the controller (504) detects that the weight of the silica dehumidification particles in the drying cylinder (303) reaches a specified value, the controller (504) immediately instructs a channel at two ends of the drying cylinder (303) to be closed and immediately enables the other drying cylinder (303), and then the controller (504) instructs an electric heating wire (307) on the drying cylinder (303) to be started and instructs a third electromagnetic valve (306) on a return pipe (305) on the drying cylinder (303) to be opened, so that the regeneration treatment of the silica dehumidification particles in the drying cylinder (303) is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449588.3A CN114814024B (en) | 2022-04-27 | 2022-04-27 | Fixed pollution source waste gas detection equipment and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449588.3A CN114814024B (en) | 2022-04-27 | 2022-04-27 | Fixed pollution source waste gas detection equipment and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114814024A CN114814024A (en) | 2022-07-29 |
| CN114814024B true CN114814024B (en) | 2023-05-23 |
Family
ID=82506875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210449588.3A Active CN114814024B (en) | 2022-04-27 | 2022-04-27 | Fixed pollution source waste gas detection equipment and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114814024B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333002A (en) * | 2017-12-22 | 2018-07-27 | 北京林业大学 | VOC harvesters, VOC acquisition methods |
| CN111054174A (en) * | 2018-10-17 | 2020-04-24 | 伊利诺斯工具制品有限公司 | Exhaust gas purification device |
| CN213715153U (en) * | 2019-01-30 | 2021-07-16 | 惠州市诚璟科技有限公司 | VOCs detection device in waste gas |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872219A (en) * | 2015-12-10 | 2017-06-20 | 中国科学院大连化学物理研究所 | Flue gas sampling it is online can in-situ regeneration gas-drying apparatus and application method |
| CN207221646U (en) * | 2017-08-14 | 2018-04-13 | 大唐临清热电有限公司 | Modified gas source purification circuit |
| CN107998847A (en) * | 2017-11-07 | 2018-05-08 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of wasted nickel catalyst system for carrying emission-control equipment |
| CN210717589U (en) * | 2019-06-03 | 2020-06-09 | 湖北金玉兰医药科技有限公司 | Make organic waste gas discharge to reach standard processing apparatus |
| WO2021119032A1 (en) * | 2019-12-08 | 2021-06-17 | Hargrove James Mcchesney | Field sampling system and method of using |
| CN214182420U (en) * | 2020-07-29 | 2021-09-14 | 上海海仕环境科技咨询有限公司 | High-temperature waste gas purifying equipment with self-checking function |
| CN213022513U (en) * | 2020-08-24 | 2021-04-20 | 湖南金业环保科技有限公司 | Classifiable waste gas sampling device |
| CN213364368U (en) * | 2020-11-04 | 2021-06-04 | 肖洋 | Purification sampling on-line monitoring device for volatile organic compounds of fixed pollution source |
| CN114314976B (en) * | 2021-11-17 | 2022-09-16 | 江苏新裕泰华环保集团有限公司 | Recovery treatment equipment for treating acidic industrial wastewater and use method thereof |
-
2022
- 2022-04-27 CN CN202210449588.3A patent/CN114814024B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333002A (en) * | 2017-12-22 | 2018-07-27 | 北京林业大学 | VOC harvesters, VOC acquisition methods |
| CN111054174A (en) * | 2018-10-17 | 2020-04-24 | 伊利诺斯工具制品有限公司 | Exhaust gas purification device |
| CN213715153U (en) * | 2019-01-30 | 2021-07-16 | 惠州市诚璟科技有限公司 | VOCs detection device in waste gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114814024A (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW445361B (en) | Fan filter unit for cleanroom | |
| RU2372500C2 (en) | Wet-type air cleaner and wet-type device for purifying exhaust gases, which use centrifugal impeller | |
| CN1243593C (en) | Air purifier | |
| JP5422049B2 (en) | Wet air purification device | |
| JP2013501614A (en) | Centrifugal cleaning air cleaner | |
| CN103505969A (en) | Waste gas and dust treating device | |
| KR100319016B1 (en) | Air purifying device and method using a mixed liquid | |
| CN110898582A (en) | Dust removal system of casting furnace | |
| CN201127740Y (en) | Air-clarifying device for elevator carriage | |
| CN114814024B (en) | Fixed pollution source waste gas detection equipment and application method thereof | |
| KR20070104719A (en) | Device for air cleaning a use the centrifugal force | |
| KR101686467B1 (en) | Experiment Table | |
| KR20180076711A (en) | Radioactive gases and dust removal eco-friendly ventilation system | |
| CN214862453U (en) | Environment-friendly circulating cooling equipment for sintering | |
| CN206942845U (en) | A kind of automobile exhaust gas processing apparatus | |
| JP3227367B2 (en) | Impurity removal device | |
| WO2010128480A2 (en) | System and method for decontaminating an air processing system | |
| KR101700431B1 (en) | Control apparatus and method for hybrid sterilizing system with cluster ionizer and water catch | |
| WO2019063834A2 (en) | Air pollution filtration unit and system | |
| CN2486893Y (en) | Multiple phase dynamic composite air purifier | |
| KR20100019825A (en) | Air cleaner and control method thereof | |
| CN207187507U (en) | A kind of processing equipment for spraying waste gas | |
| CN218741193U (en) | Low-carbon discharge device for factory | |
| CN219518270U (en) | Smoke dust purifying device | |
| CN210206331U (en) | Oil fume purification device of textile printing and dyeing setting machine |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230506 Address after: 110000 No. 77-11, 16th Street, Shenyang Economic and Technological Development Zone, Liaoning Province Applicant after: SHENYANG ANSHIDE TECHNOLOGY Co.,Ltd. Address before: 214174 Tsinghua innovation building, No. 1, Zhihui Road, Huishan District, Wuxi City, Jiangsu Province 2001 Applicant before: Jiangsu Angel Testing Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |