CN111732301A - Device and method for treating volatile or semi-volatile organic compounds in sludge - Google Patents
Device and method for treating volatile or semi-volatile organic compounds in sludge Download PDFInfo
- Publication number
- CN111732301A CN111732301A CN202010531461.7A CN202010531461A CN111732301A CN 111732301 A CN111732301 A CN 111732301A CN 202010531461 A CN202010531461 A CN 202010531461A CN 111732301 A CN111732301 A CN 111732301A
- Authority
- CN
- China
- Prior art keywords
- module
- gas
- sludge
- volatile
- organic compounds
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The invention belongs to the technical field of sludge treatment, and discloses a device and a method for treating volatile or semi-volatile organic compounds in sludge, wherein the device for treating volatile or semi-volatile organic compounds in sludge comprises: the device comprises a suction transmission module, a stirring module, an evaporation separation module, a suction pressurization module, a waste gas suction module, a gas detection module, a primary filtering module, a sterilization purification module, a central processing and control module, a heating module, an activity separation module, a concentration processing module and a display module. The invention can filter and eliminate volatile organic compounds emitted by the sludge through the filtering module and the sterilizing and purifying module; the volatilization speed of volatile organic compounds in the sludge is increased through the heating module and the pressurizing module, so that the processing speed of the system can be increased; the power of the sampling pump is supplied by the solar power supply system, so that the sampler can be used in fields without electric power, such as the field; the flowmeter is additionally arranged in the middle of the gas circuit, so that more accurate total sampling gas volume can be obtained.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a device and a method for treating volatile or semi-volatile organic matters in sludge.
Background
At present, when the urban sewage treatment adopts a mainstream process, namely a biological method, the sludge is an inevitable secondary product. If the treatment rate of the urban domestic sewage reaches 100 percent, the corresponding production rate of the sludge dry solids is 390 to 840 ten thousand tons per year, and the production rate can reach 2000 to 4000 ten thousand tons per year based on sludge dewatered cakes with the water content of 80 percent. The sludge of the municipal sewage treatment plant contains most of pollutants removed from the sewage, such as pathogenic microorganisms, organic matters, plant nutrient elements, heavy metals and the like, is discharged into the natural environment, has high pollution possibility, and can be effectively utilized only by further treatment. The main component of the sludge of the municipal sewage plant is organic matter. Meanwhile, the fertilizer contains rich plant nutrient elements, so that the fertilizer is suitable for land utilization. At present, the land utilization ratio of sludge of municipal sewage treatment plants in europe and north america accounts for more than 40% of the total amount of sludge produced. Municipal sewage plant sludge requires some degree of treatment prior to land use in order to biostabilize (be compatible with the sludge ecosystem) the organics in the sludge and kill pathogenic microorganisms. However, when the existing sludge treatment system is used for treating sludge, volatile or semi-volatile organic compounds in the sludge are easy to volatilize in the treatment process, and generate malodor to cause environmental pollution.
Through the above analysis, the problems and defects of the prior art are as follows: when the existing sludge treatment system is used for treating sludge, volatile or semi-volatile organic matters in the sludge are easy to volatilize in the treatment process, and the generated stink causes environmental pollution.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for treating volatile or semi-volatile organic matters in sludge.
The invention is realized in such a way that a method for treating volatile or semi-volatile organic compounds in sludge comprises the following steps:
firstly, pumping and conveying the sludge by using an automatic pumping device through a pumping and conveying module; and adding water into the sludge by using the stirring device through the stirring module and stirring to obtain the wastewater containing the organic matters.
And step two, carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters by using an evaporation separation module and an evaporation separation device to obtain a solution A containing the organic matters and gas.
Thirdly, air in the sludge storage device is pumped and pressurized by the air pumping equipment through the pumping and pressurizing module; and arranging multi-channel gas acquisition equipment, introducing the gas obtained by evaporation separation in the step two into the multi-channel gas acquisition equipment, and collecting the gas obtained by evaporation separation of the sludge extracted by the air extraction equipment by using the multi-channel gas acquisition equipment through a waste gas extraction module.
And step four, arranging a single gas sensor in a channel of each multi-channel gas acquisition device, determining the component types of the gas by using a plurality of single gas sensors in the multi-channel gas acquisition device through a gas detection module, and obtaining an electric signal corresponding to the gas concentration of each component type.
Analyzing the electric signal, and determining the concentration of each component type gas by combining the detection sensitivity calibrated in advance; for each component gas, the release speed of the sludge to the gas is obtained according to the gas concentration of the gas and the gas turbulence diffusion model.
Step six, outputting detection results including all component types, gas concentration and release rate of each component type; the extracted exhaust gas is primarily filtered by the primary filter module using the primary filter device.
Step seven, when a sterilization instruction is received, delaying for a third preset time, and detecting whether biological characteristics exist in the primarily filtered waste gas of the ultraviolet sterilization system; and when the biological characteristics in the primarily filtered waste gas are detected, controlling the ultraviolet sterilization system to output an alarm prompt, delaying for a fourth preset time, and controlling the ultraviolet sterilization system to operate in a sterilization mode through the sterilization purification module.
And step eight, when the time of the ultraviolet sterilization system operating the sterilization mode reaches a first preset time length, controlling the ultraviolet sterilization system to switch to the ozone sterilization system and operate a second preset time length, and sterilizing and purifying the primary filtered waste gas.
And step nine, receiving the acquired data by using the central controller through the central processing and control module, generating a control instruction according to the acquired data and preset parameters, and transmitting the control instruction to the controlled modules for control.
Step ten, heating the solution A containing the organic matters by a heating module through heating equipment; and treating the solution A by using a membrane separation activated sludge treatment device through an active separation module to obtain treated water.
Step eleven, the treated water is filtered and treated through a reverse osmosis membrane or a nanofiltration membrane through a concentration treatment module, and the treated water is separated into filtrate which permeates through the reverse osmosis membrane or the nanofiltration membrane and concentrated water which does not permeate through the reverse osmosis membrane or the nanofiltration membrane.
And step twelve, displaying real-time data in the sludge treatment process by using the display through the display module and the treatment device utilizing the volatile or semi-volatile organic compounds in the sludge.
Further, in the first step, the organic matter contained in the organic matter-containing wastewater contains 1 or more compounds selected from N, N-dimethylacetamide, N-methyl-2-pyrrolidone, and N, N-dimethylformamide.
Further, in step five, the method for determining the gas concentration of each component species comprises:
acquiring an electric signal output by a single gas sensor of each channel of the multi-channel gas acquisition equipment;
respectively conditioning the electric signals to obtain the effective voltage V of the main electrode of the single gas sensor of each channel1；
According to the effective voltage V of the main electrode1The concentration C' of the component gas is determined in accordance with the detection sensitivity S corresponding to the standard gas component.
Further, the concentration C' of the component species gas is calculated by the following formula:
the signal conditioning comprises filtering, amplifying and AD conversion.
Further, in the seventh step and the eighth step, the operating voltage of the ultraviolet sterilization system in the sterilization mode is higher than the operating voltage of the ozone sterilization system in the ozone elimination mode, and the air speed of the ultraviolet sterilization system in the sterilization mode is lower than the air speed of the ozone sterilization system in the ozone elimination mode.
Another object of the present invention is to provide an apparatus for treating volatile or semi-volatile organic compounds in sludge, which employs the method for treating volatile or semi-volatile organic compounds in sludge, the apparatus comprising:
the suction transmission module is connected with the central processing and control module and is used for performing suction transmission on the sludge through the automatic suction device;
the stirring module is connected with the central processing and control module and is used for adding water into the sludge through the stirring device and stirring the sludge to obtain waste water containing organic matters;
the evaporation separation module is connected with the central processing and control module and is used for carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters through the evaporation separation device to obtain solution A containing the organic matters and gas;
the suction pressurization module is connected with the central processing and control module and is used for sucking and pressurizing air in the sludge storage device through air suction equipment;
the waste gas extraction module is connected with the central processing and control module and is used for collecting gas obtained by evaporating and separating sludge extracted by the air extraction equipment through the multi-channel gas acquisition equipment;
the gas detection module is connected with the central processing and control module and is used for carrying out component detection on the collected gas information through a plurality of gas sensors;
the primary filtering module is connected with the central processing and control module and is used for carrying out primary filtering on the extracted waste gas through primary filtering equipment;
the sterilization and purification module is connected with the central processing and control module and is used for sterilizing and purifying the waste gas after primary filtration through an ultraviolet sterilization system and an ozone sterilization system;
the central processing and control module is connected with the suction transmission module, the stirring module, the evaporation separation module, the suction pressurization module, the waste gas extraction module, the gas detection module, the primary filtering module, the sterilization purification module, the heating module, the activity separation module, the concentration processing module and the display module, and is used for receiving the acquired data through the central controller, generating a control instruction according to the acquired data and preset parameters and transmitting the control instruction to the controlled modules for control;
the heating module is connected with the central processing and control module and is used for heating the solution A containing the organic matters through heating equipment;
the active separation module is connected with the central processing and control module and is used for processing the solution A through a membrane separation active sludge processing device to obtain processed water;
the concentration treatment module is connected with the central treatment and control module and is used for filtering and treating the treated water through a reverse osmosis membrane or a nanofiltration membrane and separating the treated water into filtrate which permeates through the reverse osmosis membrane or the nanofiltration membrane and concentrated water which does not permeate through the reverse osmosis membrane or the nanofiltration membrane;
and the display module is connected with the central processing and control module and is used for displaying real-time data in the sludge treatment process by using the treatment device for the volatile or semi-volatile organic compounds in the sludge through a display.
Further, the automatic suction device is provided with an air pump, and a power supply end of the air pump is connected with a solar panel; the gas input end of the gas pump is communicated with the flowmeter through a conduit, and the input end of the flowmeter is communicated with the copper pipe; the gas input end of the copper pipe is communicated with the sample inlet, and the heating sleeve is sleeved at the front end of the sample inlet.
Further, the power supply end of the air pump is also connected with a storage battery;
the heating sleeve adopts a cylindrical structure;
and a saturated KI solution layer is coated on the inner wall of the copper pipe.
Another object of the present invention is to provide a computer program product stored on a computer readable medium, comprising a computer readable program, which when executed on an electronic device, provides a user input interface to implement the method for treating volatile or semi-volatile organic compounds in sludge.
Another object of the present invention is to provide a computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to perform the method for treating volatile or semi-volatile organic compounds in sludge.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the invention, volatile organic compounds emitted by sludge can be filtered and eliminated through the filtering module and the sterilizing and purifying module, the harmlessness of volatile gas is ensured, and the volatilization speed of the volatile organic compounds in the sludge is increased through the heating module and the pressurizing module, so that the processing speed of a system can be increased. The invention adds a set of solar power supply system to supply power to the sampling pump, and can use the sampler in fields without power. And a flowmeter is additionally arranged in the middle of the gas circuit, so that the real-time flow calibration and accumulation are carried out, and more accurate total sampling gas volume is obtained. The problems that in the sample collection process, the pressure loss of a sampling pump changes to cause flow change, the volume of total sampling gas generates errors, and concentration calculation is influenced are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a flow chart of a method for treating volatile or semi-volatile organic compounds in sludge according to an embodiment of the present invention.
FIG. 2 is a block diagram of a device for processing volatile or semi-volatile organic compounds in sludge according to an embodiment of the present invention;
in the figure: 1. a suction transfer module; 2. a stirring module; 3. an evaporation separation module; 4. a suction pressurization module; 5. an exhaust gas extraction module; 6. a gas detection module; 7. a primary filtration module; 8. a sterilization purification module; 9. a central processing and control module; 10. a heating module; 11. an active separation module; 12. a concentration processing module; 13. and a display module.
FIG. 3 is a flow chart of a method for collecting and detecting gas obtained by sludge evaporation and separation according to an embodiment of the present invention.
FIG. 4 is a flow chart of a method for determining the concentration of each of the component gas species provided by an embodiment of the present invention.
Fig. 5 is a flowchart of a method for sterilizing and purifying the exhaust gas after primary filtration by an ultraviolet sterilization system and an ozone sterilization system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a device and a method for treating volatile or semi-volatile organic matters in sludge, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for treating volatile or semi-volatile organic compounds in sludge according to the embodiment of the present invention includes the following steps:
s101, pumping and conveying the sludge by using an automatic pumping device through a pumping and conveying module; and adding water into the sludge by using the stirring device through the stirring module and stirring to obtain the wastewater containing the organic matters.
S102, carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters by using an evaporation separation device through an evaporation separation module to obtain a solution A containing the organic matters and gas.
And S103, performing suction and pressurization treatment on air in the sludge storage device by using the suction and pressurization module and an air extraction device.
And S104, collecting gas obtained by evaporating and separating the sludge extracted by the air extraction equipment by using a multi-channel gas acquisition device through a waste gas extraction module.
S105, component detection is carried out on the collected gas information by using a plurality of gas sensors through a gas detection module; the extracted exhaust gas is primarily filtered by the primary filter module using the primary filter device.
And S106, sterilizing and purifying the waste gas after primary filtration by using an ultraviolet sterilization system and an ozone sterilization system through a sterilization and purification module.
And S107, receiving the acquired data by using the central controller through the central processing and control module, generating a control instruction according to the acquired data and preset parameters, and transmitting the control instruction to the controlled modules for control.
S108, heating the solution A containing the organic matters by using a heating device through a heating module; and treating the solution A by using a membrane separation activated sludge treatment device through an active separation module to obtain treated water.
And S109, filtering the treated water by using a reverse osmosis membrane or a nanofiltration membrane through a concentration treatment module, and separating the treated water into filtrate which permeates through the reverse osmosis membrane or the nanofiltration membrane and concentrated water which does not permeate through the reverse osmosis membrane or the nanofiltration membrane.
And S110, displaying real-time data in the sludge treatment process by using the display through the display module and the treatment device utilizing the volatile or semi-volatile organic compounds in the sludge.
As shown in fig. 2, an apparatus for processing volatile or semi-volatile organic compounds in sludge according to an embodiment of the present invention includes: the device comprises a suction transmission module 1, a stirring module 2, an evaporation separation module 3, a suction pressurization module 4, an exhaust gas extraction module 5, a gas detection module 6, a primary filtering module 7, a sterilization purification module 8, a central processing and control module 9, a heating module 10, an activity separation module 11, a concentration processing module 12 and a display module 13.
The suction transmission module 1 is connected with the central processing and control module 9 and is used for performing suction transmission on the sludge through an automatic suction device;
the stirring module 2 is connected with the central processing and control module 9 and is used for adding water into the sludge through the stirring device and stirring the sludge to obtain waste water containing organic matters;
the evaporation separation module 3 is connected with the central processing and control module 9 and is used for carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters through an evaporation separation device to obtain a solution A containing the organic matters and gas;
the suction pressurizing module 4 is connected with the central processing and control module 9 and is used for sucking and pressurizing air in the sludge storage device through air suction equipment;
the waste gas extraction module 5 is connected with the central processing and control module 9 and is used for collecting gas obtained by evaporating and separating sludge extracted by the air extraction equipment through the multi-channel gas acquisition equipment;
the gas detection module 6 is connected with the central processing and control module 9 and is used for carrying out component detection on the collected gas information through a plurality of gas sensors;
a primary filtering module 7 connected with the central processing and control module 9 for primary filtering of the extracted exhaust gases by means of a primary filtering device;
the sterilization and purification module 8 is connected with the central processing and control module 9 and is used for sterilizing and purifying the waste gas after primary filtration through an ultraviolet sterilization system and an ozone sterilization system;
the central processing and control module 9 is connected with the suction transmission module 1, the stirring module 2, the evaporation separation module 3, the suction pressurization module 4, the waste gas extraction module 5, the gas detection module 6, the primary filtering module 7, the sterilization purification module 8, the heating module 10, the activity separation module 11, the concentration processing module 12 and the display module 13, and is used for receiving acquired data through a central controller, generating a control instruction according to the acquired data and preset parameters and transmitting the control instruction to a plurality of controlled modules for control;
the heating module 10 is connected with the central processing and control module 9 and is used for heating the solution A containing the organic matters through heating equipment;
the active separation module 11 is connected with the central processing and control module 9 and is used for processing the solution A through a membrane separation active sludge processing device to obtain processed water;
a concentration treatment module 12 connected to the central treatment and control module 9, for filtering the treated water through a reverse osmosis membrane or a nanofiltration membrane, and separating the treated water into a filtrate that permeates through the reverse osmosis membrane or the nanofiltration membrane and a concentrated water that does not permeate through the reverse osmosis membrane or the nanofiltration membrane;
and the display module 13 is connected with the central processing and control module 9 and is used for displaying real-time data in the sludge treatment process by using the treatment device for volatile or semi-volatile organic compounds in the sludge through a display.
The automatic suction device provided by the embodiment of the invention is provided with an air pump, and the power supply end of the air pump is connected with a solar panel; the gas input end of the gas pump is communicated with the flowmeter through a conduit, and the input end of the flowmeter is communicated with the copper pipe; the gas input end of the copper pipe is communicated with the sample inlet, and the heating sleeve is sleeved at the front end of the sample inlet.
The power supply end of the air pump provided by the embodiment of the invention is also connected with a storage battery; the heating sleeve adopts a cylindrical structure; and a saturated KI solution layer is coated on the inner wall of the copper pipe.
The invention is further described with reference to specific examples.
Example 1
Fig. 1 shows a method for processing volatile or semi-volatile organic compounds in sludge according to an embodiment of the present invention, and fig. 3 shows a preferred embodiment of the method for collecting and detecting gas obtained by evaporation and separation of sludge according to an embodiment of the present invention, which includes:
s201, arranging multi-channel gas collection equipment, introducing the gas obtained by evaporation separation in the step two into the multi-channel gas collection equipment, and collecting the gas obtained by evaporation separation of the sludge extracted by the air extraction equipment through a waste gas extraction module by using the multi-channel gas collection equipment.
S202, arranging a single gas sensor in a channel of each multi-channel gas acquisition device, determining component types of the gas by using the single gas sensors in the multi-channel gas acquisition device through a gas detection module, and obtaining an electric signal corresponding to the gas concentration of each component type.
S203, analyzing the electric signals, and determining the concentration of each component type gas by combining the detection sensitivity calibrated in advance; for each component gas, the release speed of the sludge to the gas is obtained according to the gas concentration of the gas and the gas turbulence diffusion model.
As shown in fig. 4, the method for determining the gas concentration of each component species according to the embodiment of the present invention includes:
s301, acquiring an electric signal output by a single gas sensor of each channel of the multi-channel gas acquisition equipment.
S302, respectively carrying out signal conditioning on the electric signals to obtain the effective voltage V of the main electrode of the single gas sensor of each channel1。
S303, according to the effective voltage V of the main electrode1The concentration C' of the component gas is determined in accordance with the detection sensitivity S corresponding to the standard gas component.
The concentration C' of the component gas provided by the embodiment of the present invention is calculated by the following formula:
the signal conditioning comprises filtering, amplifying and AD conversion.
Example 2
Fig. 1 shows a method for treating volatile or semi-volatile organic compounds in sludge according to an embodiment of the present invention, and fig. 5 shows a preferred embodiment of the method for sterilizing and purifying exhaust gas after primary filtration by using an ultraviolet sterilization system and an ozone sterilization system according to an embodiment of the present invention, which includes:
s401, when a sterilization instruction is received, after a third preset time is delayed, whether biological characteristics exist in the primarily filtered waste gas of the ultraviolet sterilization system is detected.
S402, when the biological characteristics in the primarily filtered waste gas are detected, controlling the ultraviolet sterilization system to output an alarm prompt, delaying a fourth preset time, and controlling the operation sterilization mode of the ultraviolet sterilization system through the sterilization purification module.
And S403, when the time of the ultraviolet sterilization system running in the sterilization mode reaches a first preset time length, controlling the ultraviolet sterilization system to switch to the ozone sterilization system and run for a second preset time length, and performing sterilization and purification on the primary filtered waste gas.
The working voltage of the ultraviolet sterilization system in the sterilization mode provided by the embodiment of the invention is greater than the working voltage of the ozone sterilization system in the ozone elimination mode, and the wind speed of the ultraviolet sterilization system in the sterilization mode is less than that of the ozone sterilization system in the ozone elimination mode.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.
Claims (10)
1. The method for treating the volatile or semi-volatile organic compounds in the sludge is characterized by comprising the following steps of:
firstly, pumping and conveying the sludge by using an automatic pumping device through a pumping and conveying module; adding water into the sludge by using a stirring device through a stirring module and stirring to obtain waste water containing organic matters;
secondly, carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters by using an evaporation separation module and an evaporation separation device to obtain a solution A containing the organic matters and gas;
thirdly, air in the sludge storage device is pumped and pressurized by the air pumping equipment through the pumping and pressurizing module; arranging multi-channel gas collection equipment, introducing the gas obtained by evaporation separation in the step two into the multi-channel gas collection equipment, and collecting the gas obtained by evaporation separation of the sludge extracted by the air extraction equipment by using the multi-channel gas collection equipment through a waste gas extraction module;
setting a single gas sensor in a channel of each multi-channel gas acquisition device, determining component types of the gas by using a plurality of single gas sensors in the multi-channel gas acquisition device through a gas detection module, and obtaining an electric signal corresponding to the gas concentration of each component type;
analyzing the electric signal, and determining the concentration of each component type gas by combining the detection sensitivity calibrated in advance; for each component gas, obtaining the release speed of the sludge to the gas according to the gas concentration of the component gas and a gas turbulence diffusion model;
step six, outputting detection results including all component types, gas concentration and release rate of each component type; performing primary filtration on the extracted exhaust gas by using primary filtration equipment through a primary filtration module;
step seven, when a sterilization instruction is received, delaying for a third preset time, and detecting whether biological characteristics exist in the primarily filtered waste gas of the ultraviolet sterilization system; when biological characteristics are detected in the primarily filtered waste gas, controlling an ultraviolet sterilization system to output an alarm prompt, delaying for a fourth preset time, and controlling the ultraviolet sterilization system to operate a sterilization mode through a sterilization purification module;
step eight, when the time for the ultraviolet sterilization system to operate the sterilization mode reaches a first preset time length, controlling the ultraviolet sterilization system to be switched to the ozone sterilization system and operate for a second preset time length, and performing sterilization and purification on the primary filtered waste gas;
receiving the acquired data by the central processing and control module through the central controller, generating a control instruction according to the acquired data and preset parameters, and transmitting the control instruction to a plurality of controlled modules for control;
step ten, heating the solution A containing the organic matters by a heating module through heating equipment; treating the solution A by using a membrane separation activated sludge treatment device through an active separation module to obtain treated water;
step eleven, filtering the treated water by using a reverse osmosis membrane or a nanofiltration membrane through a concentration treatment module, and separating the treated water into filtrate which permeates through the reverse osmosis membrane or the nanofiltration membrane and concentrated water which does not permeate through the reverse osmosis membrane or the nanofiltration membrane;
and step twelve, displaying real-time data in the sludge treatment process by using the display through the display module and the treatment device utilizing the volatile or semi-volatile organic compounds in the sludge.
2. The method according to claim 1, wherein the organic material contained in the organic material-containing wastewater contains 1 or more compounds selected from the group consisting of N, N-dimethylacetamide, N-methyl-2-pyrrolidone, and N, N-dimethylformamide.
3. The method of claim 1, wherein the step five of determining the gas concentration of each component species comprises:
acquiring an electric signal output by a single gas sensor of each channel of the multi-channel gas acquisition equipment;
respectively conditioning the electric signals to obtain the effective voltage V of the main electrode of the single gas sensor of each channel1；
According to the effective voltage V of the main electrode1The concentration C' of the component gas is determined in accordance with the detection sensitivity S corresponding to the standard gas component.
4. The method according to claim 3, wherein the concentration C' of the component gas is calculated by the following formula:
the signal conditioning comprises filtering, amplifying and AD conversion.
5. The method according to claim 1, wherein in step seven and step eight, the operating voltage of the ultraviolet sterilization system in the sterilization mode is higher than the operating voltage of the ozone sterilization system in the ozone elimination mode, and the wind speed of the ultraviolet sterilization system in the sterilization mode is lower than the wind speed of the ozone sterilization system in the ozone elimination mode.
6. An apparatus for treating volatile or semi-volatile organic compounds in sludge, which employs the method for treating volatile or semi-volatile organic compounds in sludge according to any one of claims 1 to 5, wherein the apparatus for treating volatile or semi-volatile organic compounds in sludge comprises:
the suction transmission module is connected with the central processing and control module and is used for performing suction transmission on the sludge through the automatic suction device;
the stirring module is connected with the central processing and control module and is used for adding water into the sludge through the stirring device and stirring the sludge to obtain waste water containing organic matters;
the evaporation separation module is connected with the central processing and control module and is used for carrying out evaporation concentration treatment or distillation treatment on the waste water containing the organic matters through the evaporation separation device to obtain solution A containing the organic matters and gas;
the suction pressurization module is connected with the central processing and control module and is used for sucking and pressurizing air in the sludge storage device through air suction equipment;
the waste gas extraction module is connected with the central processing and control module and is used for collecting gas obtained by evaporating and separating sludge extracted by the air extraction equipment through the multi-channel gas acquisition equipment;
the gas detection module is connected with the central processing and control module and is used for carrying out component detection on the collected gas information through a plurality of gas sensors;
the primary filtering module is connected with the central processing and control module and is used for carrying out primary filtering on the extracted waste gas through primary filtering equipment;
the sterilization and purification module is connected with the central processing and control module and is used for sterilizing and purifying the waste gas after primary filtration through an ultraviolet sterilization system and an ozone sterilization system;
the central processing and control module is connected with the suction transmission module, the stirring module, the evaporation separation module, the suction pressurization module, the waste gas extraction module, the gas detection module, the primary filtering module, the sterilization purification module, the heating module, the activity separation module, the concentration processing module and the display module, and is used for receiving the acquired data through the central controller, generating a control instruction according to the acquired data and preset parameters and transmitting the control instruction to the controlled modules for control;
the heating module is connected with the central processing and control module and is used for heating the solution A containing the organic matters through heating equipment;
the active separation module is connected with the central processing and control module and is used for processing the solution A through a membrane separation active sludge processing device to obtain processed water;
the concentration treatment module is connected with the central treatment and control module and is used for filtering and treating the treated water through a reverse osmosis membrane or a nanofiltration membrane and separating the treated water into filtrate which permeates through the reverse osmosis membrane or the nanofiltration membrane and concentrated water which does not permeate through the reverse osmosis membrane or the nanofiltration membrane;
and the display module is connected with the central processing and control module and is used for displaying real-time data in the sludge treatment process by using the treatment device for the volatile or semi-volatile organic compounds in the sludge through a display.
7. The device for treating volatile or semi-volatile organic compounds in sludge according to claim 6, wherein the automatic pumping device is provided with an air pump, and a power supply end of the air pump is connected with a solar panel;
the gas input end of the gas pump is communicated with the flowmeter through a conduit, and the input end of the flowmeter is communicated with the copper pipe; the gas input end of the copper pipe is communicated with the sample inlet, and the heating sleeve is sleeved at the front end of the sample inlet.
8. The device for treating volatile or semi-volatile organic compounds in sludge according to claim 6, wherein the power supply end of the air pump is further connected with a storage battery;
the heating sleeve adopts a cylindrical structure;
and a saturated KI solution layer is coated on the inner wall of the copper pipe.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the method of any one of claims 1 to 5 for treating volatile or semi-volatile organic compounds in sludge when executed on an electronic device.
10. A computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to perform the method for treating volatile or semi-volatile organic compounds in sludge according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531461.7A CN111732301A (en) | 2020-06-11 | 2020-06-11 | Device and method for treating volatile or semi-volatile organic compounds in sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531461.7A CN111732301A (en) | 2020-06-11 | 2020-06-11 | Device and method for treating volatile or semi-volatile organic compounds in sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111732301A true CN111732301A (en) | 2020-10-02 |
Family
ID=72650107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010531461.7A Pending CN111732301A (en) | 2020-06-11 | 2020-06-11 | Device and method for treating volatile or semi-volatile organic compounds in sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111732301A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004321919A (en) * | 2003-04-24 | 2004-11-18 | Fuji Electric Holdings Co Ltd | Soil decontaminating method |
| CN1699193A (en) * | 2004-05-21 | 2005-11-23 | 华懋科技股份有限公司 | Concentration treatment system for volatile organic wastewater |
| US20060272500A1 (en) * | 2005-06-07 | 2006-12-07 | Keller Arturo A | System and method for removing volatile and semi-volatile compounds from an aqueous stream |
| CN1951544A (en) * | 2005-10-21 | 2007-04-25 | 福建新大陆环保科技有限公司 | Method and apparatus for photochemical degradation of organic gas |
| CN101468285A (en) * | 2007-12-28 | 2009-07-01 | 海斯博特（北京）科技有限公司 | Device for treating volatile organic gaseous contamination |
| CN102814099A (en) * | 2012-06-08 | 2012-12-12 | 深圳市科德环保科技有限公司 | Device and method for purifying total volatile organic compounds |
| JP2013075269A (en) * | 2011-09-30 | 2013-04-25 | Nippon Rensui Co Ltd | System and method for treatment of organic matter-containing waste water |
| CN105693008A (en) * | 2014-12-11 | 2016-06-22 | 三菱丽阳株式会社 | Method and system for treating waste water including organic matter |
| CN207294550U (en) * | 2017-05-11 | 2018-05-01 | 深圳市深水生态环境技术有限公司 | Sludge drying device containing volatile organic compounds |
| CN108862976A (en) * | 2017-05-11 | 2018-11-23 | 深圳市深水生态环境技术有限公司 | A kind of sludge drying device containing volatile organic compounds |
| CN208254894U (en) * | 2018-06-09 | 2018-12-18 | 中国科学院地球环境研究所 | A kind of portable volatile organic matter acquisition system |
| CN109701366A (en) * | 2017-10-26 | 2019-05-03 | 东莞兆能环境科技有限公司 | A kind of processing method and system of foul gas |
| CN110596328A (en) * | 2019-06-25 | 2019-12-20 | 北京机械设备研究所 | Integrated multichannel polluted gas concentration detection device |
| CN110596327A (en) * | 2019-06-25 | 2019-12-20 | 北京机械设备研究所 | Method for detecting components and concentration of polluted gas |
| CN111198151A (en) * | 2020-01-15 | 2020-05-26 | 湖南城市学院 | Atmospheric particulate collection and analysis device and collection and analysis method thereof |
-
2020
- 2020-06-11 CN CN202010531461.7A patent/CN111732301A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004321919A (en) * | 2003-04-24 | 2004-11-18 | Fuji Electric Holdings Co Ltd | Soil decontaminating method |
| CN1699193A (en) * | 2004-05-21 | 2005-11-23 | 华懋科技股份有限公司 | Concentration treatment system for volatile organic wastewater |
| US20060272500A1 (en) * | 2005-06-07 | 2006-12-07 | Keller Arturo A | System and method for removing volatile and semi-volatile compounds from an aqueous stream |
| CN1951544A (en) * | 2005-10-21 | 2007-04-25 | 福建新大陆环保科技有限公司 | Method and apparatus for photochemical degradation of organic gas |
| CN101468285A (en) * | 2007-12-28 | 2009-07-01 | 海斯博特（北京）科技有限公司 | Device for treating volatile organic gaseous contamination |
| JP2013075269A (en) * | 2011-09-30 | 2013-04-25 | Nippon Rensui Co Ltd | System and method for treatment of organic matter-containing waste water |
| CN102814099A (en) * | 2012-06-08 | 2012-12-12 | 深圳市科德环保科技有限公司 | Device and method for purifying total volatile organic compounds |
| CN105693008A (en) * | 2014-12-11 | 2016-06-22 | 三菱丽阳株式会社 | Method and system for treating waste water including organic matter |
| CN207294550U (en) * | 2017-05-11 | 2018-05-01 | 深圳市深水生态环境技术有限公司 | Sludge drying device containing volatile organic compounds |
| CN108862976A (en) * | 2017-05-11 | 2018-11-23 | 深圳市深水生态环境技术有限公司 | A kind of sludge drying device containing volatile organic compounds |
| CN109701366A (en) * | 2017-10-26 | 2019-05-03 | 东莞兆能环境科技有限公司 | A kind of processing method and system of foul gas |
| CN208254894U (en) * | 2018-06-09 | 2018-12-18 | 中国科学院地球环境研究所 | A kind of portable volatile organic matter acquisition system |
| CN110596328A (en) * | 2019-06-25 | 2019-12-20 | 北京机械设备研究所 | Integrated multichannel polluted gas concentration detection device |
| CN110596327A (en) * | 2019-06-25 | 2019-12-20 | 北京机械设备研究所 | Method for detecting components and concentration of polluted gas |
| CN111198151A (en) * | 2020-01-15 | 2020-05-26 | 湖南城市学院 | Atmospheric particulate collection and analysis device and collection and analysis method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109081507B (en) | Sewage treatment control method and system | |
| CN101477056A (en) | Multichannel photobacteria on-line water quality toxicity monitoring device and monitoring method | |
| Zhou et al. | The valorization of biogas slurry with a pilot dual stage reverse osmosis membrane process | |
| CN109467285A (en) | A kind of sewage plant Tailwater Depth is handled to the system and method for III class water quality standard of earth's surface | |
| Richter et al. | Ammonium recovery from process water of digested sludge dewatering by membrane contactors | |
| Yue et al. | Direct purification of digestate using ultrafiltration membranes: Influence of pore size on filtration behavior and fouling characteristics | |
| CN210294179U (en) | Instrument for synchronously representing structure/physicochemical/concentration characteristics of soluble organic matters in water sample | |
| CN111732301A (en) | Device and method for treating volatile or semi-volatile organic compounds in sludge | |
| CN208700843U (en) | A kind of Internet of Things environmental protection water treatment facilities | |
| CN214654210U (en) | Reclaimed water recycling device capable of automatically changing treatment modes according to sewage change | |
| CN105585196B (en) | The processing system of consumer waste infiltration liquid | |
| CN215179985U (en) | Nitric oxide detector | |
| CN210953907U (en) | Sewage treatment plant toxicity of intaking on-line measuring device | |
| CN113582461A (en) | Intelligent medical sewage treatment process | |
| CN112798807A (en) | Sequencing batch type sewage sampling device and intelligent water quality monitoring system | |
| CN209397022U (en) | A kind of high-concentration organic wastewater concentration processing unit | |
| CN106242118A (en) | Boracic treatment of Phosphorus Containing Waste Water system | |
| CN214612001U (en) | Processing system of high concentration waste water | |
| CN112811750A (en) | Full-quantitative treatment system and treatment method for leachate of domestic garbage landfill | |
| CN113354211A (en) | Multi-stage series microalgae biomembrane continuous purification device for fermentation wastewater | |
| JP3505559B2 (en) | Pollution load meter | |
| CN207072892U (en) | A kind of purifying domestic sewage processing system with water quality detecting function | |
| CN213181430U (en) | Novel surface water monitoring device | |
| CN219475581U (en) | Sewage outlet water quality monitoring system | |
| CN216764575U (en) | Laboratory wastewater treatment 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201002 |
|
| RJ01 | Rejection of invention patent application after publication |