CN214321294U - Modularization electric heat coupling normal position chemistry is clear away and is equipped - Google Patents
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Abstract
The utility model provides a modularization electrothermal coupling normal position chemistry is clear away and is equipped relates to and pollutes soil restoration technical field, has solved the technical problem that the electrothermal coupling normal position chemistry that exists among the prior art is clear away and is equipped not convenient for migration. The modularized electric heating coupling in-situ chemical removing device comprises an oxidizing agent injection device, a tail gas treatment device and a controller; the oxidizing agent injection device comprises an injection device body, wherein a stirring tank, an injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, and the injection interface is connected with an injection pipe of the electrode well; the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body and connected with an extraction well, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body. The utility model is used for a modularization electric heat coupling normal position chemistry of convenient transportation is clear away and is equipped.
Description
Technical Field
The utility model belongs to the technical field of pollute soil restoration technique and specifically relates to a modularization electric heat coupling normal position chemistry is clear away and is equipped.
Background
The in-situ remediation technology in the field of remediation of contaminated soil has the advantages of being broad in spectrum, efficient, less in environmental interference, free of the problem of 'peculiar smell disturbing residents' and the like, application cases are more and more, the in-situ thermal desorption and the in-situ chemical oxidation are gradually the mainstream remediation technology of the organic contaminated site, but the two technologies have respective limitations. The in-situ thermal desorption technology has high heating temperature and large energy consumption, and the chemical agent of the in-situ chemical oxidation technology is difficult to realize effective and uniform diffusion in the stratum with poor permeability.
The utility model patent application with the application number of (application publication number CN 111014269A, application publication date 2020, 4 months and 17 days) discloses the technical patent of "contaminated soil electrothermal conduction normal position thermal desorption repair system", and this patent realizes the nimble heating of the different degree of depth through the mode of multistage electric heating pipe series connection combination installation, has reduced the energy consumption to a certain extent, but the pipe wall heating temperature is up to 700 ℃, and the soil heating is to 350 ℃, still has the problem that the energy consumption is big.
The utility model patent application with application number (application publication number CN 104624629A, application publication date 2015 year 5 month 20 days) discloses the technical patent of "a method for repairing organic pollutant field by adopting a two-way stirring injection method", this patent carries out the normal position restoration through steps such as leveling the pollution field, carry out superficial layer earth's surface solidification, measure the laying-out, two-way agitated vessel takes one's place, remove agitated vessel's drill bit, stir in advance and bore, the drilling rod creeps into and pours into the injection medicament into in order to solve the problem of oxidation medicament evenly distributed, but there is the step loaded down with trivial details, the problem of complex operation.
In order to solve the above problems, the utility model patent application with the application number (CN 111282983 a, application publication date 2020, 6/16) discloses a technical patent of "electrothermal coupling chemical oxidation method and device", which uniformly distributes oxidation agents on the site through direct current directional migration technology, heats the site through alternating current heating technology, realizes the coupling of electric heating and chemical oxidation technology, can complete the restoration of the polluted site at a lower temperature, and has the characteristics of high efficiency and energy saving. However, the problems of complicated equipment, large occupied area, inconvenient transfer and transportation and equipment standardization and integration in the patent of the electrothermal coupling chemical oxidation method and the device are urgently needed to be solved.
For solving the above problem, the utility model discloses to electric heat coupling normal position chemistry technique of cleaing away, developed one set of modularization and equipped, it is big effectively to have solved the equipment area that electric heat coupling normal position chemistry cleared away the technique, and the modularization centralization level is low, equipment dismantlement transports inconveniently etc. not enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modularization electric heat coupling normal position chemistry is clear away and is equipped to solve the electric heat coupling normal position chemistry that exists among the prior art and clear away the technical problem who equips the migration of not being convenient for. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a modularization electrothermal coupling normal position chemistry is clear away and is equipped, including oxidation medicament injection apparatus, tail gas processing apparatus and controller, tail gas processing apparatus, oxidation medicament injection apparatus all with the controller is connected;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
Further, the controller comprises a power control device and a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
Further, the PLC control cabinet is connected with a monitoring well arranged in the polluted soil.
Further, the central control device is connected with the oxidizing agent injection device, the tail gas treatment device, the monitoring well arranged in the polluted soil, the electrode well arranged in the polluted soil and the extraction well arranged in the polluted soil in a wired or wireless mode.
Furthermore, the power control device and the tail gas treatment device are respectively arranged in two containers, the central control device and the oxidizing agent injection device are arranged in one container, and a partition is arranged between the central control device and the oxidizing agent injection device, so that mutual influence between the central control device and the oxidizing agent injection device is avoided.
Further, an air-conditioning cooling system is also arranged on the power device body.
Further, a space is arranged between the power control device and the central control device.
Further, the isolation transformer transmits current to the voltage regulator, the voltage regulator regulates output voltage within a range of 0-400V, the voltage regulator transmits the current to the rectifier, the rectifier converts alternating current into direct current and transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches.
Furthermore, the Roots blower extracts the evaporated polluted gas in the polluted soil into the gas-liquid separator, the gas-liquid separator removes the water in the soil gas, the dried soil gas is conveyed to the adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through the draught fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through the chimney.
Further, the pipeline is a PVC pipeline.
The utility model has the advantages that: the utility model provides a modular electric thermal coupling normal position chemistry is clear away and is equipped, oxidation medicament injection device is used for injecting oxidation medicament into contaminated soil, tail gas processing apparatus is used for extracting and purifying soil gas to the emission; the oxidation medicament injection device and the tail gas treatment device are respectively and integrally installed in the injection device body and the treatment device body, and the injection device body and the treatment device body are provided with an injection interface and an extraction pipe interface, so that the injection device body, the treatment device body, the controller, the extraction well and the electrode well are conveniently connected; when the transportation, only need wholly transport injection device body and processing apparatus body to the restoration place, then accomplish the installation according to the preface through injection interface and extraction pipe interface etc. and improved work efficiency greatly, the utility model provides a modular electric thermocouple normal position chemistry is clear away and is equipped for large-scale engineering application equipment, is applicable to the restoration in big, well, small-size place, and the range of application is extensive, is fit for the tight characteristics of the internal restoration engineering time limit of a project, place dispersion, is convenient for transport between each project, can shorten the turnover time limit of equipment between the project greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 1 shows an oxidizing agent injection device; 2. a power control device; 3. a tail gas treatment device; 4. a central control device; 5. an electrode well; 6. a monitoring well; 7. an extraction well; 10. an injection device body; 11. a stirring tank; 12. a drug injection pump; 13. a flow meter; 20. a power device body; 21. an isolation transformer; 22. a voltage regulator; 23. a rectifier; 24. an electric control cabinet; 30. a processing apparatus body; 31. a Roots blower; 32. a gas-liquid separator; 33. an adsorption tank; 34. an induced draft fan; 35. a catalytic combustor; 36. a chimney; 40. a central device body; 41. a PC host; 42. a PLC control cabinet; 71. and (4) screening.
Detailed Description
The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 and the text. The invention will be described in further detail below (including the preferred embodiments) with reference to the drawings and illustrative examples of some alternative embodiments of the invention. It should be noted that: any technical features and any technical solutions in this embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaust all the alternative technical features and alternative technical solutions of the present invention, and it is not convenient for each embodiment of the technical features to emphasize that it is one of various optional embodiments, so those skilled in the art should know that: can replace any technical means or combine two or more technical means or technical characteristics of the utility model provides an arbitrary or more technical means or technical characteristics mutually and obtain new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without creative efforts and new technical solutions that can be obtained by combining any two or more technical means or technical features provided by the present invention with each other by those skilled in the art.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present 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.
In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The utility model provides a modularization electric heat coupling normal position chemistry of convenient transportation is clear away and is equipped.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1.
The utility model provides a modularized electric-thermal coupling in-situ chemical removing device, which comprises an oxidizing agent injection device, a tail gas treatment device and a controller, wherein the tail gas treatment device and the oxidizing agent injection device are connected with the controller;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
The utility model provides a modular electric thermal coupling normal position chemistry is clear away and is equipped, oxidation medicament injection device is used for injecting oxidation medicament into contaminated soil, tail gas processing apparatus is used for extracting and purifying soil gas to the emission; the oxidation medicament injection device and the tail gas treatment device are respectively and integrally installed in the injection device body and the treatment device body, and the injection device body and the treatment device body are provided with an injection interface and an extraction pipe interface, so that the injection device body, the treatment device body, the controller, the extraction well and the electrode well are conveniently connected; when the transportation, only need wholly transport injection device body and processing apparatus body to the restoration place, then accomplish the installation according to the preface through injection interface and extraction pipe interface etc. and improved work efficiency greatly, the utility model provides a modular electric thermocouple normal position chemistry is clear away and is equipped for large-scale engineering application equipment, is applicable to the restoration in big, well, small-size place, and the range of application is extensive, is fit for the tight characteristics of the internal restoration engineering time limit of a project, place dispersion, is convenient for transport between each project, can shorten the turnover time limit of equipment between the project greatly.
As an alternative embodiment, the controller comprises a power control device, a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
The isolation transformer provides power for the multifunctional electrode well, meanwhile, the power utilization safety of the whole demonstration site can be guaranteed, the isolation transformer transmits current to the voltage regulator, the voltage regulator 12 can regulate output voltage within the range of 0-400V according to needs, the voltage regulator transmits the current to the rectifier, the rectifier can convert alternating current into direct current according to needs, the rectifier transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches and is connected with the electrode well.
As an optional implementation mode, the PLC control cabinet is connected with a monitoring well arranged in the polluted soil. The PLC control cabinet acquires data such as temperature, pressure value and flow in the injection pipeline in the monitoring well, and adjusts the site operation condition according to the data values.
As an alternative embodiment, the central control device is connected with the oxidizing agent injection device, the tail gas treatment device, the monitoring well arranged in the contaminated soil, the electrode well arranged in the contaminated soil and the extraction well arranged in the contaminated soil in a wired or wireless manner.
In an alternative embodiment, the power control device and the exhaust gas treatment device are respectively disposed in two containers, the central control device and the oxidizing agent injection device are disposed in one container, and a partition is disposed between the central control device and the oxidizing agent injection device to prevent the central control device and the oxidizing agent injection device from affecting each other. The devices are respectively placed in the container for transportation, so that the transportation is convenient; because interfaces are reserved among all devices, the installation is very convenient.
As an optional embodiment, an air conditioning cooling system is further provided on the power device body. Avoid the electric elements from having too high temperature.
In an alternative embodiment, a space is provided between the power control device and the central control device to avoid interference of strong electricity to weak electric signals.
As an optional implementation mode, the isolation transformer transmits current to the voltage regulator, the voltage regulator regulates output voltage within a range of 0-400V, the voltage regulator transmits current to the rectifier, the rectifier converts alternating current into direct current and transmits the current to the electric control cabinet, and the electric control cabinet is provided with a plurality of groups of switches for being connected with the electrode well.
In an optional implementation mode, the roots blower extracts the evaporated polluted gas in the polluted soil into a gas-liquid separator, the gas-liquid separator removes water in the soil gas, the dried soil gas is conveyed to an adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through an induced draft fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through a chimney.
As an alternative embodiment, the pipe is a PVC pipe.
Example 1:
the utility model provides a modularization electric thermal coupling normal position chemistry is clear away and is equipped, including oxidation medicament injection apparatus 1, electric control device 2, tail gas processing apparatus 3 and central control device 4.
The oxidation chemical injection device 1 includes an injection device body 10, and a stirring tank 11, a chemical injection pump 12, and a flow meter 13 connected in sequence in the injection device body 10. The oxidation medicament and the dissolving agent water are uniformly mixed in proportion under the stirring action of the stirring tank 11, injected into the electrode well 5 arranged in the polluted soil under the action of the injection pump 12, and the injection amount of the oxidation medicament is monitored by the flow meter 13 in real time.
The power control device 2 includes a power device body 20, and an isolation transformer 21, a voltage regulator 22, a rectifier 23, and an electric control cabinet 24 connected in sequence in the power device body. The isolation transformer 21 provides power for the electrode well 5 arranged in the polluted soil, and meanwhile, the power utilization safety of the whole demonstration site can be guaranteed, the isolation transformer 21 transmits current to the voltage regulator 22, the voltage regulator 22 can regulate output voltage within the range of 0-400V according to needs, the voltage regulator 22 transmits the current to the rectifier 23, the rectifier 23 can convert alternating current into direct current according to needs, the rectifier 23 transmits the current to the electric control cabinet 24, and the electric control cabinet 24 is provided with a plurality of groups of switches which are respectively connected with the electrode well 5 arranged in the polluted soil.
The tail gas treatment device 3 comprises a treatment device body 30, and a Roots blower 31, a gas-liquid separator 32, an adsorption tank 33, an induced draft fan 34, a catalytic combustion chamber 35 and a chimney 36 which are sequentially connected to the treatment device body 30. The contaminated gas that evaporates in the soil enters gas-liquid separator 32 through the extraction well 7 that sets up in contaminated soil under roots's fan 31's extraction effect extraction is provided with screen cloth 71 on the extraction well 7, and the screen cloth prevents that soil from inhaling and gets into in the extraction well 7, and gas-liquid separator 32 gets rid of the moisture in the soil gas, carries dry soil gas to adsorption tank 33, and adsorption tank 33 adsorbs the purification to soil gas, and the soil gas after the purification gets into catalytic combustion chamber 35 through draught fan 34, and the tail gas of oxidative combustion discharges to the atmosphere through chimney 36 after up to standard.
The central control device 4 comprises a central device body 40, a PC (personal computer) 41 and a PLC (programmable logic controller) 42 are arranged in the central device body 40, the PLC 42 has signal receiving and outputting functions, data such as the temperature and the pressure of a monitoring well 6 arranged in the polluted soil, the flow of an injection pipeline, the potential of an electrode and the like can be collected in a wired or wireless mode and uploaded to the PC 41, the PC 41 displays the data through configuration software, and control elements such as a pump, a fan, an electric control cabinet and the like are automatically or manually adjusted according to preset data values to the site operation condition.
The utility model provides a working process that equipment was clear away to modularization electrothermal coupling normal position chemistry is as follows:
1. the oxidation medicament and water are uniformly stirred by the stirring tank 11 and then injected into the electrode well 5 through the medicament injection pump 12, and the oxidation medicament enters the polluted soil through the electrode well 5 slot.
2. The electrode well 5 transmits electric energy to the soil plot under the action of the electric control device 2, the soil is regarded as a resistor, the temperature of the soil resistor is gradually increased under the action of current, the oxidation-reduction reaction rate of the oxidation reagent is improved, and the purpose of electro-thermal coupling in-situ chemical removal is achieved.
3. The central control device 4 can collect field operation data such as temperature, pressure, flow, electric potential and the like, compare the collected data with preset values of configuration software on the PC host 41, automatically adjust the size and the on-off state of electrode current according to the comparison result, and simultaneously adjust the on-off state and the power of executing elements such as the injection pump 12, the Roots blower 31, the induced draft fan 34 and the like through the central control device 4.
The utility model provides a modularization electric thermal coupling normal position chemistry is clear away and is equipped, when the transportation, will electric control device 2 tail gas processing apparatus 3 sets up respectively in two containers, central control device 4 with oxidation medicament injection apparatus 1 sets up in a container, just central control device 4 with be provided with the wall between the oxidation medicament injection apparatus 1, avoid central control device 4 with oxidation medicament injection apparatus 1 influences each other.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A modularized electric heating coupling in-situ chemical removing device is characterized by comprising an oxidizing agent injection device, a tail gas treatment device and a controller, wherein the tail gas treatment device and the oxidizing agent injection device are connected with the controller;
the oxidation medicament injection device comprises an injection device body, wherein a stirring tank, a medicament injection pump and a flowmeter are sequentially connected in the injection device body, an injection interface is arranged on the injection device body, one end of the injection interface is connected to the medicament injection pump, and the other end of the injection interface is used for being connected with an injection pipe of an electrode well arranged in the polluted soil;
the tail gas treatment device comprises a treatment device body, wherein an extraction pipe interface is arranged on the treatment device body, the extraction pipe interface is connected with an extraction well arranged in the polluted soil through a pipeline, and a Roots blower, a gas-liquid separator, an adsorption tank, an induced draft fan, a catalytic combustion chamber and a chimney are sequentially connected in the treatment device body.
2. The modular electro-thermally coupled in-situ chemical removal apparatus of claim 1, wherein the controller comprises a power control device, a central control device,
the power control device comprises a power device body, an isolation transformer, a voltage regulator, a rectifier and an electric control cabinet are sequentially connected in the power device body, and the central control device and the electrode well are connected with the electric control cabinet;
the central control device comprises a central device body, a PC host and a PLC control cabinet are arranged in the central device body, and the PLC control cabinet is electrically connected with the tail gas treatment device and the oxidizing agent injection device.
3. The modular electro-thermal coupling in situ chemical removal apparatus of claim 2, wherein the PLC control cabinet is connected to a monitoring well disposed in contaminated soil.
4. The modular electrically-thermally coupled in-situ chemical removal apparatus of claim 3, wherein the central control unit is connected by wire or wirelessly to the oxidizing agent injection unit, the tail gas treatment unit, the monitoring well disposed in the contaminated soil, the electrode well disposed in the contaminated soil, and the extraction well disposed in the contaminated soil.
5. The apparatus of claim 2, wherein the power control device and the tail gas treatment device are disposed in two containers, the central control device and the oxidizing agent injection device are disposed in one container, and a partition is disposed between the central control device and the oxidizing agent injection device to prevent the central control device and the oxidizing agent injection device from affecting each other.
6. The modular electro-thermally coupled in-situ chemical removal apparatus as claimed in claim 5, further comprising an air conditioning cooling system disposed on the power device body.
7. The modular electro-thermally coupled in-situ chemical removal apparatus of claim 2, wherein a spacing is provided between the power control device and the central control device.
8. The modular electrothermal coupling in-situ chemical removal apparatus according to claim 2, wherein the isolation transformer delivers current to the voltage regulator, the voltage regulator regulates output voltage to within 0-400V, the voltage regulator delivers current to the rectifier, the rectifier converts alternating current to direct current and delivers current to the electrical control cabinet, and the electrical control cabinet is provided with a plurality of sets of switches.
9. The modular electrothermal coupling in-situ chemical removal equipment as claimed in claim 1, wherein the roots blower extracts the evaporated contaminated gas in the contaminated soil into a gas-liquid separator, the gas-liquid separator removes water in the soil gas, the dried soil gas is conveyed to an adsorption tank, the adsorption tank adsorbs and purifies the soil gas, the purified soil gas enters the catalytic combustion chamber through an induced draft fan, and the tail gas of the catalytic combustion reaches the standard and is discharged to the atmosphere through a chimney.
10. The modular electro-thermally coupled in situ chemical removal apparatus of claim 1, wherein the piping is PVC piping.
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| CN202120062313.5U CN214321294U (en) | 2021-01-11 | 2021-01-11 | Modularization electric heat coupling normal position chemistry is clear away and is equipped |
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| CN202120062313.5U CN214321294U (en) | 2021-01-11 | 2021-01-11 | Modularization electric heat coupling normal position chemistry is clear away and is equipped |
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