CN208195226U - The high-pressure injection device and vehicle of a kind of contaminated soil and underground water - Google Patents
The high-pressure injection device and vehicle of a kind of contaminated soil and underground water Download PDFInfo
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- CN208195226U CN208195226U CN201820395217.0U CN201820395217U CN208195226U CN 208195226 U CN208195226 U CN 208195226U CN 201820395217 U CN201820395217 U CN 201820395217U CN 208195226 U CN208195226 U CN 208195226U
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- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 4
- SIWNEELMSUHJGO-UHFFFAOYSA-N 2-(4-bromophenyl)-4,5,6,7-tetrahydro-[1,3]oxazolo[4,5-c]pyridine Chemical compound C1=CC(Br)=CC=C1C(O1)=NC2=C1CCNC2 SIWNEELMSUHJGO-UHFFFAOYSA-N 0.000 claims description 3
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model embodiment provides the high-pressure injection device and vehicle of a kind of contaminated soil and underground water, and high-pressure injection device includes: that gas provides device, the first medical fluid provides device, the second medical fluid provides device, the first liquid medicine injection apparatus, the second liquid medicine injection apparatus, injection unit and gas compressing apparatus；Device is provided by gas and the first medical fluid provides device, and the first medical fluid is injected into the first liquid medicine injection apparatus；Device is provided by gas and the second medical fluid provides device, and the second medical fluid is injected into the second liquid medicine injection apparatus；And then the first medical fluid and/or the second medical fluid are conveyed to by injection unit by the first liquid medicine injection apparatus and/or the second liquid medicine injection apparatus, gas compressing apparatus delivers gas to injection unit, and then entered gas, the first medical fluid and/or the second liquid medicine injection in soil by injection unit, solve the problems, such as that the stability for the surface elevation and adjacent formation object that ground rigidity caused by existing tubular type broken rock device and earth bearing strength reduce and occur is destroyed.
Description
Technical Field
The utility model relates to a soil pollution administers and high-pressure injection apparatus field, in particular to pollute high-pressure injection device and vehicle of soil and groundwater.
Background
The crushing technology (crushing) is a soil remediation technology, and water or air is sprayed into a ground disc at high pressure to expand the space in soil or form a new crushing space, so that the permeability of the soil is improved, and the extraction and treatment efficiency of pollutants is improved. It is divided into an air-crushing technique of injecting high-pressure air according to an injection medium and a hydraulic-crushing technique of injecting water or slurry. Wherein,
(1) air crushing, in which air is injected into crushing wells (crushing wells), and compressed air is intermittently blown at predetermined depths (for a short time, about 20 seconds) to crush the floor.
(2) The water pressure is broken, and the injected fluid can be slurry mixed by water, sand and glue. The pressure of the injected fluid exceeds a certain limit and then the fluid starts to be crushed, and the crushed gap can be maintained or filled with a substance with strong permeability such as sand.
The conditions of the crushing technique include: (1) the amount of injected material of gas or liquid is much greater than the permeability coefficient (intrinsic permeability) within the soil; (2) the injection pressure is equal to or higher than all the pressures (soil pressure, water depth pressure of groundwater, groundwater flow velocity) of the injection depth.
The injection mode comprises the following steps: osmotic injection, fracture injection, and fracture osmotic injection, and the like. Wherein the permeation injection mode does not change the arrangement of soil particles, is mainly used in the field that the soil texture is sandy soil, and has the water permeability coefficient of 10-1cm/sec～10-2Easily permeate at cm/sec and has a water permeability coefficient of 10-3cracks occur at cm/sec. The fracture injection mode is mainly used in the field of soil dipping of soil. The fracture penetration injection method is often used in cases where the injection speed needs to be increased in sandy soil.
However, the conventional pipe breaking apparatus causes a problem that the ground rigidity and the ground durability are lowered, and further, the surface is raised and the stability of the adjacent structure is deteriorated.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a pollute high pressure injection device and vehicle of soil and groundwater to solve the ground rigidity that current tubular rock breaking device leads to and ground endurance reduces and the destroyed problem of surface uplift and adjacent structure's stability that takes place.
In order to solve the technical problem, according to the utility model discloses an aspect of the embodiment provides a pollute high pressure injection device of soil and groundwater, include: a gas supply device, a first chemical liquid supply device, a second chemical liquid supply device, a first chemical liquid injection device, a second chemical liquid injection device, an injection part and a gas compression device;
the gas input end of the gas supply device is communicated with a gas source, and the gas output end of the gas supply device is respectively communicated with the gas input ends of the first liquid medicine supply device, the second liquid medicine supply device, the first liquid medicine injection device and the second liquid medicine injection device;
the liquid output end of the first liquid medicine providing device is communicated with the liquid injection end of the first liquid medicine injection device, and the liquid output end of the second liquid medicine providing device is communicated with the liquid injection end of the second liquid medicine injection device; the gas output end of the gas compression device, the liquid output end of the first liquid medicine injection device and/or the liquid output end of the second liquid medicine injection device are/is communicated with the injection part, and at least part of the injection part is inserted into soil;
injecting a first chemical into a first chemical injection device via the gas supply device and the first chemical supply device; injecting the second chemical into a second chemical injection device via the gas supply device and the second chemical supply device; the first chemical liquid and/or the second chemical liquid is/are delivered to the injection part by the first chemical liquid injection device and/or the second chemical liquid injection device, the gas is delivered to the injection part by the gas compression device, and the gas, the first chemical liquid and/or the second chemical liquid are/is injected into soil by the injection part.
Optionally, the first medical fluid supply device includes: a first liquid medicine storage tank and a first transfer pump for storing a first liquid;
the liquid input end of the first liquid medicine storage tank is used for inputting second liquid, and the first liquid and the second liquid are mixed through the first liquid medicine storage tank to form first liquid medicine; the liquid output end of the first liquid medicine storage tank is respectively communicated with the liquid input end of the first transfer pump and the first liquid medicine injection device;
the liquid output end of the first transfer pump is communicated with the first liquid medicine injection device, and the gas input end of the first transfer pump is communicated with the gas input end of the gas supply device.
Optionally, the first medical fluid supply device further comprises: the first liquid medicine storage tank is arranged on the first transfer pump, the second liquid medicine storage tank is arranged on the second transfer pump, the first valve and the second valve are arranged between the first liquid medicine storage tank and the first transfer pump, the third valve is communicated with the gas output end of the gas providing device and the gas input end of the first transfer pump at two ends respectively, the fourth valve is communicated with the liquid output end of the first transfer pump and the first liquid medicine injection device at two ends respectively, and the first pressure measuring device is communicated with the liquid output end of the first transfer pump.
Optionally, the second medical fluid supply device includes: a second liquid medicine storage tank for storing a third liquid, a third liquid medicine storage tank for storing a fourth liquid and a second transfer pump;
the liquid input end of the second liquid medicine storage tank is used for injecting fifth liquid, the second liquid medicine storage tank is provided with a stirring part, and the second liquid medicine storage tank is used for stirring the third liquid and the injected fifth liquid through the stirring part to form sixth liquid; the liquid output end of the second liquid medicine storage box is communicated with the liquid input end of the second transfer pump through a first pipeline;
a liquid input end of the third liquid medicine storage tank is used for injecting seventh liquid, the seventh liquid and the fourth liquid are mixed to form eighth liquid, a liquid output end of the third liquid medicine storage tank is communicated with one end of the first pipeline, and the other end of the first pipeline is communicated with the second transfer pump; the first pipeline is used for mixing the sixth liquid and the eighth liquid to form a second liquid medicine, and is also communicated with a liquid input end of a second liquid medicine injection device;
and the gas input end of the second transfer pump is communicated with the gas output end of the gas supply device, the liquid output end of the second transfer pump is communicated with the second liquid medicine injection device, and the second transfer pump injects the second liquid medicine into the second liquid medicine injection device.
Optionally, the second medical fluid supply device further comprises: a sixth valve, a seventh valve and an eighth valve which are sequentially arranged between the liquid output end of the second liquid medicine storage tank and the liquid input end of the second transfer pump, a ninth valve of which two ends are respectively communicated with the gas output end of the gas supply device and the gas input end of the second transfer pump, and a tenth valve of which two ends are respectively communicated with the liquid input end of the second liquid medicine injection device and the liquid output end of the second transfer pump;
the second medical fluid supply device further includes: an eleventh valve and a twelfth valve which are sequentially arranged between the liquid output end of the third liquid medicine storage tank and one end of the first pipeline, and a second pressure measuring device which is communicated with the liquid output end of the second transfer pump.
Optionally, the first medical fluid injection device includes: a third liquid medicine storage tank and a third transfer pump for storing the first liquid medicine;
a liquid input end of the fourth liquid medicine storage tank is communicated with a liquid output end of the first liquid medicine supply device, and a liquid output end of the fourth liquid medicine storage tank is communicated with a liquid input end of the third transfer pump;
the liquid input end of the third transfer pump is also communicated with the first liquid medicine injection device, the gas input end of the third transfer pump is communicated with the gas output end of the gas supply device, and the liquid output end of the third transfer pump is respectively communicated with the liquid output end of the first liquid medicine injection device and the injection part;
the second medical fluid injection device includes: a fifth liquid medicine storage tank and a fourth transfer pump for storing the second liquid medicine;
a liquid input end of the fifth liquid medicine storage tank is communicated with a liquid output end of the second liquid medicine supply device, and a liquid output end of the fifth liquid medicine storage tank is communicated with a liquid input end of the fourth transfer pump;
the liquid output end of the fourth transfer pump is also communicated with the second liquid medicine supply device, and the gas input end of the fourth transfer pump is respectively communicated with the injection part and the gas output end of the gas supply device.
Optionally, the first medical fluid injection device further includes: set gradually the liquid output of fourth liquid medicine storage box with twenty-first valve and twenty-first valve between the liquid input of third transfer pump, with the twenty-second valve of the liquid output intercommunication of first liquid medicine providing device, both ends respectively with the portion of infusing with the twenty-third valve of the liquid output intercommunication of third transfer pump, set gradually the gas output of gas providing device with twenty-fourth valve, first fluid blending ware and twenty-fifth valve between the gas input of third transfer pump, at the liquid output of first liquid medicine providing device and the liquid input of third transfer pump between the twenty-sixth valve, and with the third pressure measurement device of the liquid output intercommunication of third transfer pump.
Optionally, the second medical fluid injection device further includes: the thirty-first valve and the thirty-second valve are sequentially arranged between the liquid output end of the fifth liquid medicine storage box and the liquid input end of the fourth transfer pump, the thirty-second valve is communicated with the liquid output end of the second liquid medicine providing device, the thirty-third valve is communicated with the liquid output end of the fourth transfer pump, the thirty-fourth valve, the second fluid mixer and the thirty-fifth valve are sequentially arranged between the gas output end of the gas providing device and the gas input end of the fourth transfer pump, and the fourth pressure measuring device is communicated with the liquid output end of the fourth transfer pump.
Optionally, the first medical solution and the second medical solution are hydrogen peroxide, ferrous sulfate, potassium permanganate, sodium permanganate, calcium permanganate or magnesium permanganate solutions, respectively.
According to the utility model discloses on the other hand, still provide a vehicle, include as above the high pressure injection device who pollutes soil and groundwater.
The embodiment of the utility model has the following beneficial effect:
the embodiment of the utility model provides an in, pollute high pressure injection device of soil and groundwater carries out the punching press and smashes soil through the injection site, and with high-pressure gas, first liquid medicine and/or second liquid medicine injection pollute soil, carry first liquid medicine and/or second liquid medicine fast through high-pressure gas and pollute soil inside, multiplicable injection site and the impact of polluting soil and first liquid medicine and/or second liquid medicine and the chance of polluting the pollutant reaction in the soil, can make ground structure's damage reach the minimizing like this, the problem of the surface uplift that has solved the ground rigidity that current tubular rock breaking device leads to and ground endurance reduces and the stability of taking place is destroyed with adjacent structure is the problem, can restore polluted soil more effectively.
Drawings
Fig. 1 is a schematic view of a high-pressure injection device for contaminated soil and groundwater according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a liquid medicine transfer radius after injecting the first liquid medicine and/or the second liquid medicine at a high pressure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the result of the permeability coefficient variation provided by the embodiment of the present invention;
fig. 4 is a graph illustrating the results of depth of penetration and time of penetration provided by an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Referring to fig. 1, the embodiment of the present invention provides a high pressure injection device for contaminated soil and groundwater, which includes: a gas supply device 1, a first chemical liquid supply device 2, a second chemical liquid supply device 3, a first chemical liquid injection device 4, a second chemical liquid injection device 5, a gas compression device 6, and an injection part 7. Wherein,
the gas input end of the gas supply device 1 is communicated with a gas source, and the gas output end of the gas supply device 1 is respectively communicated with the gas input ends of a first liquid medicine supply device 2, a second liquid medicine supply device 3, a first liquid medicine injection device 4 and a second liquid medicine injection device 5;
the liquid output end of the first liquid medicine providing device 2 is communicated with the liquid injection end of the first liquid medicine injection device 4, and the liquid output end of the second liquid medicine providing device 3 is communicated with the liquid injection end of the second liquid medicine injection device 5; the gas output end of the gas compression device 6, the liquid output end of the first liquid medicine injection device 4 and/or the liquid output end of the second liquid medicine injection device 5 are/is communicated with the injection part 7, and at least part of the injection part 7 is inserted into soil;
injecting the first chemical into the first chemical injection device 4 through the gas supply device 1 and the first chemical supply device 2; a second chemical liquid injection device 5 for injecting a second chemical liquid through the gas supply device 1 and the second chemical liquid supply device 3; the first chemical liquid and/or the second chemical liquid is/are fed to the injection part 7 by the first chemical liquid injection device 4 and/or the second chemical liquid injection device 5, the gas is fed to the injection part 7 by the gas compression device 6, and the gas, the first chemical liquid and/or the second chemical liquid are/is injected into the soil by the injection part 7.
The first liquid medicine and the second liquid medicine are hydrogen peroxide, ferrous sulfate, potassium permanganate, sodium permanganate, calcium permanganate or magnesium permanganate solutions respectively. One or more chemicals may be prepared in advance and used as the chemicals according to circumstances, for example, the chemicals to be injected into the soil may be determined according to the kind of contaminants to be treated in the soil, and it is understood that the first chemical and/or the second chemical may be selectively injected into the soil according to the physical properties of the soil, but is not limited thereto.
Optionally, the diffusion radius of the high-pressure injection device for dyeing soil and underground water can be 0.5-3.5 m, the injection pressure of the medicament can be 20-30 MPa, the injection pressure of compressed air can be 0.3-0.8 MPa, and the injection flow rate of the medicament can be 20-120L/min. It should be noted that the above description of the injection parameters of the high pressure injection device is only exemplary and not limiting.
The embodiment of the utility model provides an in, pollute high pressure injection device of soil and groundwater carries out the punching press and smashes soil through injection portion 7, and with high-pressure gas, first liquid medicine and/or second liquid medicine injection pollute soil, carry first liquid medicine and/or second liquid medicine fast through high-pressure gas and pollute soil inside, multiplicable injection portion and the impact of polluting soil and first liquid medicine and/or second liquid medicine and the chance of polluting the pollutant reaction in the soil, can make ground structure's damage reach the minimizing like this, the problem of the surface uplift that has solved the ground rigidity that current tubular rock breaking device leads to and ground endurance reduces and the stability of taking place is destroyed with adjacent structure is the problem, can restore polluted soil more effectively.
Further, the injection part 7 includes a nozzle including: the number of the pushing holes for vertical tunneling, the horizontally-split shearing and crushing holes and the middle hole rods (1 m-1.5 m) in threaded connection can be 3-6, but is not limited to the above.
The embodiment of the utility model provides an in, this high pressure injection device need not to set up the tube well through using the nozzle, can directly excavate and the breakage, therefore can shorten the time of restoration construction to can reduce prosthetic cost.
The high-pressure injection device is made of a material and a structure that can be less subject to chemical properties such as corrosiveness and viscosity of the cleaning material (for example, the first chemical liquid and/or the second chemical liquid), is driven by pressure, can mix or mix with various cleaning materials, and can be applied to various soil pollutants. For example, the high pressure injection device can be applied to in-situ chemical oxidation reduction, stabilization and other remediation of low permeability contaminated soil and groundwater, but is not limited thereto.
With continued reference to FIG. 1, optionally, the first medical fluid supply device 2 includes: a first chemical liquid storage tank 21 for storing a first liquid, and a first transfer pump 22. Wherein,
the liquid input end of the first liquid medicine storage tank 21 is used for inputting a second liquid, and the first liquid medicine and the second liquid medicine are mixed through the first liquid medicine storage tank 21 to form a first liquid medicine; the liquid output end of the first liquid medicine storage tank 21 is respectively communicated with the liquid input end of the first transfer pump 22 and the first liquid medicine injection device 4; the liquid output end of the first transfer pump 22 is communicated with the liquid input end of the first chemical liquid injector 4, and the gas input end of the first transfer pump 22 is communicated with the gas input end of the gas supply device 1.
Alternatively, the first liquid may be a curing agent and the second liquid may be H202Although not limited thereto.
With continued reference to FIG. 1, optionally, the first medical fluid supply device 2 further comprises: a first valve 23 and a second valve 24 provided between the first chemical storage tank 21 and the first transfer pump 22, a third valve 25 having both ends respectively communicated with the gas output terminal of the gas supplying device 1 and the gas input terminal of the first transfer pump 22, a fourth valve 26 having both ends respectively communicated with the liquid output terminal of the first transfer pump 22 and the first chemical injection device 4, and a first pressure measuring device 27 communicated with the liquid output terminal of the first transfer pump 22.
Alternatively, the first pressure measuring device 27 is used to measure the pressure of the first medical fluid during the transfer. The first pressure measuring device 27 may be a sealed pressure gauge, and the first pressure measuring device 27 may be made of a corrosion-resistant material, such as stainless steel, but is not limited thereto.
With continued reference to FIG. 1, a linear piping is provided between the first valve 23 and the second valve 24, which may ensure that the piping from the first chemical solution storage tank 21 to the connection site where the first transfer pump 22 introduces the first chemical solution is shaped as a straight line, wherein the linear piping may be a steel pipe (e.g., a stainless steel pipe) or the like.
Optionally, the first medical fluid storage tank 21 is further provided with a first liquid level measurer 28, and the first liquid level measurer 28 is used for measuring the liquid level of the first medical fluid in the first medical fluid storage tank 21.
With continued reference to fig. 1, optionally, the second medical fluid supply device 3 includes: a second medical fluid storage tank 30 for storing a third liquid, a third medical fluid storage tank 31 for storing a fourth liquid, and a second transfer pump 32;
a liquid input end of the second liquid medicine storage tank 30 is used for injecting the fifth liquid, the second liquid medicine storage tank 30 is provided with a stirring part, and the second liquid medicine storage tank 30 is used for stirring the third liquid and the injected fifth liquid through the stirring part 311 to form a sixth liquid; the liquid output end of the second liquid medicine storage tank 30 is communicated with the liquid input end of the second transfer pump through a first pipeline; a liquid input end of the third liquid medicine storage tank 31 is used for injecting seventh liquid, the seventh liquid and the fourth liquid are mixed to form eighth liquid, a liquid output end of the third liquid medicine storage tank 31 is communicated with one end of a first pipeline, and the other end of the first pipeline is communicated with a second transfer pump; the first pipeline is used for mixing the sixth liquid and the eighth liquid to form a second liquid medicine, and is also communicated with a liquid input end of the second liquid medicine injection device 5; the gas input end of the second transfer pump is communicated with the gas output end of the gas supply device 1, the liquid output end of the second transfer pump is communicated with the second liquid medicine injection device 5, and the second transfer pump injects the second liquid medicine into the second liquid medicine injection device 5.
Wherein, the stirring part 311 includes: a Motor (Motor), a drive Shaft (Shaft), a rotary Blade (Blade), and the like. The stirring portion 311 may be used to uniformly mix the fifth liquid and the third liquid when the fifth liquid is a mixture or the content of the first liquid medicine needs to be adjusted to a certain concentration.
In the bookIn a novel embodiment, the fourth liquid, the fifth liquid, and the seventh liquid can be water, for example, industrial water. The third liquid may be ferrous sulfate (FeSO)4) It should be noted that the above descriptions of the components of the third liquid, the fourth liquid, the fifth liquid and the seventh liquid are only examples and are not limiting, and it is understood that the embodiments of the present invention are not particularly limited to the components of the third liquid, the fourth liquid, the fifth liquid and the seventh liquid.
Optionally, with continued reference to fig. 1, the second medical fluid supply device 3 further includes: a sixth valve 33, a seventh valve 34 and an eighth valve 35 which are sequentially disposed between the liquid output terminal of the second chemical liquid storage tank 30 and the liquid input terminal of the second transfer pump, a ninth valve 36 whose both ends are respectively communicated with the gas output terminal of the gas supplying device 1 and the gas input terminal of the second transfer pump, and a tenth valve 37 whose both ends are respectively communicated with the liquid input terminal of the second chemical liquid injecting device 5 and the liquid output terminal of the second transfer pump;
the second chemical liquid supplying apparatus 3 further includes: an eleventh valve 38 and a twelfth valve 39 provided between the liquid output end of the third chemical liquid storage tank 31 and one end of the first pipe, and a second pressure measuring device 310 communicated with the liquid output end of the second transfer pump in this order.
Optionally, the second pressure measuring device 310 is used to measure the pressure of the second medical fluid during the transfer. The second pressure measuring device 310 may be a sealed pressure gauge, and the second pressure measuring device 310 may be made of a corrosion-resistant material, such as stainless steel, but is not limited thereto.
With continued reference to FIG. 1, a linear piping is provided between the sixth valve and the seventh valve, which linear piping ensures that the piping shape from the second chemical solution tank 30 to the connection portion of the second transfer pump is linear. Similarly, a linear piping is provided between the eleventh valve 38 and the twelfth valve 39. The linear piping may be a steel pipe (e.g., stainless steel pipe) or the like.
Alternatively, the second medical fluid storage tank 30 is further provided with a second level measurer 301, and the second level measurer 301 is used to confirm the storage state of the sixth liquid in the second medical fluid storage tank 30. Similarly, the third medical fluid storage tank 31 is also provided with a third liquid level measurer 312, the third liquid level measurer 312 being used to confirm the storage state of the eighth liquid in the first medical fluid storage tank 21.
With continued reference to fig. 1, optionally, the first medical fluid injection device 4 includes: a fourth liquid medicine storage tank 41 and a third transfer pump 42 for storing the first liquid medicine;
a liquid input end of the fourth liquid medicine storage tank 41 is communicated with a liquid output end of the first liquid medicine supplying device 2, and a liquid output end of the fourth liquid medicine storage tank 41 is communicated with a liquid input end of the third transfer pump;
the liquid input end of the third transfer pump 42 is also communicated with the first chemical solution injector 4, the gas input end of the third transfer pump 42 is communicated with the gas output end of the gas supply device 1, and the liquid output end of the third transfer pump 42 is respectively communicated with the liquid output end of the first chemical solution injector 4 and the injector 7.
With continued reference to fig. 1, optionally, the first medical fluid injection device 4 further comprises: a twentieth valve 43 and a twenty-first valve 44 which are sequentially disposed between the liquid output terminal of the fourth liquid medicine storage tank 41 and the liquid input terminal of the third transfer pump, a twentieth valve 45 which is communicated with the liquid output terminal of the first liquid medicine supplying device 2, a twentieth valve 46 whose both ends are respectively communicated with the injection part 7 and the liquid output terminal of the third transfer pump, a fourteenth valve 47, a first fluid regulator 48 and a twenty-fifth valve 49 which are sequentially disposed between the gas output terminal of the gas supplying device 1 and the gas input terminal of the third transfer pump, a twenty-sixth valve 410 which is disposed between the liquid output terminal of the first liquid medicine supplying device 2 and the liquid input terminal of the third transfer pump, and a third pressure measuring device 411 which is communicated with the liquid output terminal of the third transfer pump, and a twenty-seventh valve 412 between the first medical fluid supply device 2 and the fluid input of the third transfer pump.
Wherein the first fluid mediator 48 comprises: filters (Air filters), pressure regulators (Air), etc. The first fluid conditioner 48 is used to process air in the atmosphere into a fluid medium suitable for an air pressure system (pneumatics).
Alternatively, the third pressure measuring device 411 may be a closed type pressure gauge, and the third pressure measuring device 411 may be made of a corrosion-resistant material.
With continued reference to fig. 1, optionally, the second medical fluid injection device 5 includes: a fifth chemical liquid storage tank 51 for storing the second chemical liquid, and a fourth transfer pump 52.
Wherein, the liquid input end of the fifth liquid medicine storage tank 51 is communicated with the liquid output end of the second liquid medicine providing device 3, and the liquid output end of the fifth liquid medicine storage tank 51 is communicated with the liquid input end of the fourth transfer pump 52; the liquid output end of the fourth transfer pump 52 is also communicated with the second chemical liquid supply device 3, and the gas input end of the fourth transfer pump 52 is communicated with the gas output end of the injection part 7 and the gas supply device 1, respectively.
With continued reference to fig. 1, optionally, the second medical fluid injection device 5 further comprises: a thirtieth valve 53 and a thirty-first valve 54 which are sequentially arranged between the liquid output end of the fifth liquid medicine storage tank 51 and the liquid input end of the fourth transfer pump 52, a thirtieth valve 55 which is communicated with the liquid output end of the second liquid medicine providing device 3, a thirtieth valve 56 which is communicated with the liquid output end of the fourth transfer pump 52, a thirty-fourth valve 57, a second fluid regulator 58 and a thirty-fifth valve 59 which are sequentially arranged between the gas output end of the gas providing device 1 and the gas input end of the fourth transfer pump 52, a fourth pressure measuring device 510 which is communicated with the liquid output end of the fourth transfer pump 52, and a thirty-sixth valve 511 of which both ends are respectively communicated with the liquid output end of the second liquid medicine providing device 3 and the liquid output end of the fourth transfer pump 52, and a seventeenth valve 512 having both ends respectively communicated with the liquid input ends of the second chemical liquid supplying device 3 and the fourth transfer pump 52.
With continued reference to fig. 1, the gas compression device 6 includes, but is not limited to, an air compressor 61.
With continued reference to fig. 1, optionally, the gas supply apparatus 1 comprises: a forty-th valve 11, a forty-first valve 12, a third fluid regulator 13, a forty-second valve 14, a fourth fluid regulator 15, and a forty-third valve 16;
one end of a fortieth valve 11 is communicated with a gas source, and the other end of the fortieth valve 11 is respectively communicated with one end of a forty-first valve 12, one end of a forty-second valve 14 and one end of a forty-third valve 16;
the other end of the forty-first valve 12 is communicated with the gas input end of the first liquid medicine injection device 4 and the gas input end of the second liquid medicine injection device 5;
the other end of the forty-second valve 14 is communicated with one end of a third fluid regulator 13, and the other end of the third fluid regulator 13 is respectively communicated with the gas input end of the first liquid medicine providing device 2 and the gas input end of the second liquid medicine providing device 3;
the other end of the forty-third valve 16 is connected to one end of a fourth fluid regulator 15, and the other end of the fourth fluid regulator 15 is connected to the second chemical liquid supplying device 3.
In the embodiment of the present invention, the above components may be connected by a flexible high pressure hose or an injection rod, and a hose connector may be disposed at a connection portion between the high pressure hose and the injection rod. In addition, the first, second, third, fourth, and fifth liquid medicine storage tanks 21, 30, 31, 41, and 51 are made of a material having corrosion resistance and alkali resistance, and when the chemical oxidation method is applied, the first, second, third, fourth, and fifth liquid medicine storage tanks 21, 30, 31, 41, and 51 can store a mixed solution of a surfactant, a mixed solution of a catalyst, an oxidizer, and a pH buffer/solution.
In the embodiment of the present invention, the organic and/or inorganic purification material is maintained or made into a liquid state by the gas supply device 1, the first liquid medicine supply device 2, the second liquid medicine supply device 3, the first liquid medicine injection device 4, and the second liquid medicine injection device 5, and the contaminated soil is directly infiltrated by using the nozzle, so that the contaminated soil can be cleaned and stabilized.
Meanwhile, the embodiment of the utility model provides a vehicle is still provided, include the high pressure injection device who pollutes soil and groundwater as shown in figure 1. The high injection device is mounted on a vehicle and is powered by a vehicle-mounted mode.
In order to more precisely inject the first medical fluid and/or the second medical fluid, it is necessary to study and analyze factors related to the geotechnical mechanism causing the squeezing phenomenon to determine a suitable range of pressure and flow rate, and a process of solving the injection amount, the injection range, the injection rate, and the like will be described next.
1. Determination of dose estimates;
(1) the injection amount (or called injection amount) is calculated by the formula
Q＝V·λ(1+β/100)/100＝V·n·α(1+β/100)/10000
wherein Q is an injection amount, V is a volume of an injection range, λ is an injection rate (%), n is a void rate (%), α is a filling rate (%), and β is a loss rate (%).
(2) The relationship of the injection amount to the injection range;
the range of the actual implant is quite different from the designed implant range. Therefore, since the injection quantity Q at the time of design is likely to be different from the actual injection quantity, it is difficult to obtain a filling rate from the void ratio (n) and a filling rate in the case of a ground surface that may be subjected to pulsating injection (pulse-shaped injection), and the injection quantity calculated from the quotient according to the purpose should be corrected by injection test. In general, the dissipation factor due to jetting is 10% to 30% of the design jetting range.
As shown in table 1 above, conventional hydraulic breakers (including packers) do not work well in formations containing low permeability clays, and injection at overpressure and flow rate results in surface rise and reduced superstructure stability.
Table 1: injection rate of general injection member classified according to foundation, purpose and construction method
2. Firing rate and injection pressure;
the injection rate may be determined in consideration of the surface characteristics, injection method, injection material, and influence on adjacent structures so that uniform injection may be performed. In particular, it is necessary to limit the maximum injection pressure when considering the impact on adjacent structures or surrounding ground.
(1) (ii) a rate of fire;
generally, the injection amount of the solution type is 8L/min to 20L/min, and the injection amount of the suspension type is 20L/min to 30L/min. To prevent ground damage due to wave motion, the injection material, which has a longer gel time, should be injected at a lower injection rate.
(2) Injection pressure;
in general, the injection pressure is not particularly checked in the design stage, but the maximum injection pressure should be set in the following cases.
1) Surface elevation;
2) in the case of underground;
3) during tunnel excavation, damage to the primary support material due to fracture during tunnel grouting is expected;
4) if there is an adjacent structure;
5) other designs limit the injection pressure.
Among them, the injection pressure is generally controlled to be 3 to 5 times lower than the pore water pressure, and theoretical injection is impossible at a pressure lower than the pore water pressure. See the following formula
U<P<(3～5)U(3.7)
Wherein, P is the injection pressure and U is the pore water pressure.
The injection pressure is set to ensure safety of the surrounding structure, and when there is a possibility of adverse effect on the structure, it is recommended to increase the gel time and decrease the injection rate with a smaller injection pressure.
The site injection test should be performed near a main building or in the case where there is a high risk of damage to the underground piles, and if the site injection test is not performed, a preliminary injection test should be performed to set an appropriate injection pressure.
Table 2 shows the results of the direct shear test. In the shear test, when the diameter of the shear box is 60mm, the particles with the maximum particle diameter of more than 10mm are removed after the test, the injection flow is 5L/min, and when the injection pressure is 300bar, the adhesive force is 0.21kg/cm2～0.27kg/cm2The friction angle is 34.3-36.2 degrees. After the direct shear test, the adhesion force and the friction angle are reduced, and the deformation of the soil body structure is weakened simultaneously due to injection damage. Since the standard of destruction is not achieved, it is considered that there is little concern about the foundation structure or settlement of the foundation.
TABLE 2 results of direct shear test
Table 3 shows the results of the chemical solution injection experiment, and the injection amount and flow rate can be compared by the data of table 3. Referring to Table 3, each sample was injected at 500mL and the outflow was 356mL, 367mL and 376mL, respectively. It is thus considered that the difference between the injected amount and the flow rate is caused by the chemical solution remaining in the sample and causing cracks and infiltrations to remain between the gaps. The remaining chemical liquid may react with the contaminants and may have a decomposing or stabilizing effect.
TABLE 3 results of chemical solution injection experiments
| Position of | Injection volume (ml) | Flow (ml) |
| 1 | 500 | 356 |
| 2 | 500 | 367 |
| 3 | 500 | 376 |
In the embodiment of the present invention, the pressure and flow rate of the chemical solution can be selected according to the physical characteristics of the ground. However, if the pressure between the sample and the injection jig is insufficient or the pressure and flow rate are not appropriate, the chemical liquid flows to the sample surface. It can be confirmed that the penetration of the chemical solution is possible by the humidity of the gap exposed on the cross section.
Fig. 2 is a schematic diagram of the liquid medicine transfer radius after the first liquid medicine and/or the second liquid medicine are injected under high pressure, and as shown in fig. 2, the middle black circle is the high-pressure injection position, MW shown in fig. 2 is the identification symbol of the observation well, and the surrounding hollow circle is the arrangement position of the observation well. A total of 8 observation wells are arranged with the injection position as the center, and the observation wells are divided into two observation positions with the depths of 1m and 2m according to the distance, and two points with the same radius distance are shown in fig. 2.
The chemical solution injection experiment performed by Rowe Cell is an experiment in which chemicals are injected into a simulated ground using a chemical injection jig. In the embodiment of the utility model provides an in, the chemical solution that can use the Rowe Cell to go into the experiment verifies the utility model discloses the high pressure injection device's feasibility, table 4 is the vertical direction permeation test's before and after the chemical solution injection test of Rowe Cell result table, refers to table 4, carries out the chemical solution injection test apart from the injection point 0.60m, 0.80m, 1.00 m's position, and initial osmotic coefficient is different according to the inhomogeneity of soil. However, after the fracture test, the permeability coefficient of each sample slightly increased due to the increase in distance.
TABLE 4 results of vertical permeation test before and after chemical solution injection test of Rowe Cell
Fig. 3 shows the results of the permeability coefficient change. Fig. 3 shows the radius of influence of the purification material estimated from the results of the obtained permeability change based on the injection flow rate of 5L/min and the injection pressure of 300bar, and the maximum radius of influence is estimated to be about 1.65 m.
Fig. 4 shows the results of evaluating the penetration depth and the penetration time of the high-pressure injection device. FIG. 4 shows the results of evaluating penetration depth and pumping rate over time by directly penetrating the ground through a nozzle by spraying a liquid formulation at a discharge pressure of 5000psi and a chemical liquid flow rate of 7L/min. The result shows that although the soil layers are different, the excavation speed is about 28.7cm/min, the excavation depth can be different according to the uniformity of the target soil, and the maximum index can be increased to 8 meters through multiple evaluations.
The embodiment of the utility model provides an in, pollute high pressure injection device of soil and groundwater has adopted the high pressure injection pressure who is applicable to the ground that permeates water to the broken principle of analysis and regulation flow are accurate, thereby show the stability that reduces ground uplift, upper portion structure and is destroyed the possibility of waiting, also can exert stable and higher purification efficiency at the industrial site that carries out production work.
Because the utility model discloses high pressure injection device can be directly with the direct supply of pollutant in contaminated soil, and the pollutant can be decomposed or stabilized through direct chemical reaction, consequently compares with other methods of excavating purification method and removing the medium through physical phenomenon, can expect.
On the other hand, the high-pressure injection device can easily control the injected chemical dose, injection pressure, etc., so that organic/inorganic contamination control materials (e.g., the first medical fluid and/or the second medical fluid) can be freely selected and introduced into the contaminated site.
In addition, since the high pressure injection apparatus can directly supply the contaminated cleaning material to a desired location of the ground, the same cleaning work can be performed without distinguishing media such as contaminated soil and contaminated groundwater, a retarder may be added to the high pressure injection apparatus, and loss due to a reaction rate of the cleaning material may be reduced.
In particular, the high pressure spraying apparatus, which is a low flow structure suitable for the ground conditions, can significantly reduce the influence of the rise of the ground and improve the stability of the superstructure, is installed on a vehicle to improve the ease of entering a contaminated site, and can be powered by the vehicle mounting, and is a safe and convenient cleaning and repairing apparatus.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high pressure injection device for contaminated soil and groundwater, comprising: a gas supply device, a first chemical liquid supply device, a second chemical liquid supply device, a first chemical liquid injection device, a second chemical liquid injection device, an injection part and a gas compression device;
the gas input end of the gas supply device is communicated with a gas source, and the gas output end of the gas supply device is respectively communicated with the gas input ends of the first liquid medicine supply device, the second liquid medicine supply device, the first liquid medicine injection device and the second liquid medicine injection device;
the liquid output end of the first liquid medicine providing device is communicated with the liquid injection end of the first liquid medicine injection device, and the liquid output end of the second liquid medicine providing device is communicated with the liquid injection end of the second liquid medicine injection device; the gas output end of the gas compression device, the liquid output end of the first liquid medicine injection device and/or the liquid output end of the second liquid medicine injection device are/is communicated with the injection part, and at least part of the injection part is inserted into soil;
injecting a first chemical into a first chemical injection device via the gas supply device and the first chemical supply device; injecting the second chemical into a second chemical injection device via the gas supply device and the second chemical supply device; the first chemical liquid and/or the second chemical liquid is/are delivered to the injection part by the first chemical liquid injection device and/or the second chemical liquid injection device, the gas is delivered to the injection part by the gas compression device, and the gas, the first chemical liquid and/or the second chemical liquid are/is injected into soil by the injection part.
2. The high pressure infusion device as claimed in claim 1, wherein said first medical fluid supply means comprises: a first liquid medicine storage tank and a first transfer pump for storing a first liquid;
the liquid input end of the first liquid medicine storage tank is used for inputting second liquid, and the first liquid and the second liquid are mixed through the first liquid medicine storage tank to form first liquid medicine; the liquid output end of the first liquid medicine storage tank is respectively communicated with the liquid input end of the first transfer pump and the first liquid medicine injection device;
the liquid output end of the first transfer pump is communicated with the first liquid medicine injection device, and the gas input end of the first transfer pump is communicated with the gas input end of the gas supply device.
3. The high pressure infusion device as claimed in claim 2, wherein said first medical fluid supply means further comprises: the first liquid medicine storage tank is arranged on the first transfer pump, the second liquid medicine storage tank is arranged on the second transfer pump, the first valve and the second valve are arranged between the first liquid medicine storage tank and the first transfer pump, the third valve is communicated with the gas output end of the gas providing device and the gas input end of the first transfer pump at two ends respectively, the fourth valve is communicated with the liquid output end of the first transfer pump and the first liquid medicine injection device at two ends respectively, and the first pressure measuring device is communicated with the liquid output end of the first transfer pump.
4. The high pressure infusion device as claimed in claim 1, wherein said second medical fluid supply means comprises: a second liquid medicine storage tank for storing a third liquid, a third liquid medicine storage tank for storing a fourth liquid and a second transfer pump;
the liquid input end of the second liquid medicine storage tank is used for injecting fifth liquid, the second liquid medicine storage tank is provided with a stirring part, and the second liquid medicine storage tank is used for stirring the third liquid and the injected fifth liquid through the stirring part to form sixth liquid; the liquid output end of the second liquid medicine storage box is communicated with the liquid input end of the second transfer pump through a first pipeline;
a liquid input end of the third liquid medicine storage tank is used for injecting seventh liquid, the seventh liquid and the fourth liquid are mixed to form eighth liquid, a liquid output end of the third liquid medicine storage tank is communicated with one end of the first pipeline, and the other end of the first pipeline is communicated with the second transfer pump; the first pipeline is used for mixing the sixth liquid and the eighth liquid to form a second liquid medicine, and is also communicated with a liquid input end of a second liquid medicine injection device;
and the gas input end of the second transfer pump is communicated with the gas output end of the gas supply device, the liquid output end of the second transfer pump is communicated with the second liquid medicine injection device, and the second transfer pump injects the second liquid medicine into the second liquid medicine injection device.
5. The high pressure infusion device as claimed in claim 4, wherein said second medical fluid supply means further comprises: a sixth valve, a seventh valve and an eighth valve which are sequentially arranged between the liquid output end of the second liquid medicine storage tank and the liquid input end of the second transfer pump, a ninth valve of which two ends are respectively communicated with the gas output end of the gas supply device and the gas input end of the second transfer pump, and a tenth valve of which two ends are respectively communicated with the liquid input end of the second liquid medicine injection device and the liquid output end of the second transfer pump;
the second medical fluid supply device further includes: an eleventh valve and a twelfth valve which are sequentially arranged between the liquid output end of the third liquid medicine storage tank and one end of the first pipeline, and a second pressure measuring device which is communicated with the liquid output end of the second transfer pump.
6. The high pressure injection device according to claim 1, wherein the first medical fluid injection device comprises: a fourth liquid medicine storage tank and a third transfer pump for storing the first liquid medicine;
a liquid input end of the fourth liquid medicine storage tank is communicated with a liquid output end of the first liquid medicine supply device, and a liquid output end of the fourth liquid medicine storage tank is communicated with a liquid input end of the third transfer pump;
the liquid input end of the third transfer pump is also communicated with the first liquid medicine injection device, the gas input end of the third transfer pump is communicated with the gas output end of the gas supply device, and the liquid output end of the third transfer pump is respectively communicated with the liquid output end of the first liquid medicine injection device and the injection part;
the second medical fluid injection device includes: a fifth liquid medicine storage tank and a fourth transfer pump for storing the second liquid medicine;
a liquid input end of the fifth liquid medicine storage tank is communicated with a liquid output end of the second liquid medicine supply device, and a liquid output end of the fifth liquid medicine storage tank is communicated with a liquid input end of the fourth transfer pump;
the liquid output end of the fourth transfer pump is also communicated with the second liquid medicine supply device, and the gas input end of the fourth transfer pump is respectively communicated with the injection part and the gas output end of the gas supply device.
7. The high pressure injection device according to claim 6, wherein the first medical fluid injection device further comprises: set gradually the liquid output of fourth liquid medicine storage box with twenty-first valve and twenty-first valve between the liquid input of third transfer pump, with the twenty-second valve of the liquid output intercommunication of first liquid medicine providing device, both ends respectively with the portion of infusing with the twenty-third valve of the liquid output intercommunication of third transfer pump, set gradually the gas output of gas providing device with twenty-fourth valve, first fluid blending ware and twenty-fifth valve between the gas input of third transfer pump, at the liquid output of first liquid medicine providing device and the liquid input of third transfer pump between the twenty-sixth valve, and with the third pressure measurement device of the liquid output intercommunication of third transfer pump.
8. The high pressure infusion device as claimed in claim 6, wherein said second medical fluid infusion device further comprises: the thirty-first valve and the thirty-second valve are sequentially arranged between the liquid output end of the fifth liquid medicine storage box and the liquid input end of the fourth transfer pump, the thirty-second valve is communicated with the liquid output end of the second liquid medicine providing device, the thirty-third valve is communicated with the liquid output end of the fourth transfer pump, the thirty-fourth valve, the second fluid mixer and the thirty-fifth valve are sequentially arranged between the gas output end of the gas providing device and the gas input end of the fourth transfer pump, and the fourth pressure measuring device is communicated with the liquid output end of the fourth transfer pump.
9. The high pressure injection device of claim 1, wherein the first and second medical fluids are hydrogen peroxide, ferrous sulfate, potassium permanganate, sodium permanganate, calcium permanganate, or magnesium permanganate solutions, respectively.
10. A vehicle comprising the high-pressure injection device for contaminated soil and groundwater according to any one of claims 1 to 9.
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| CN201820395217.0U CN208195226U (en) | 2018-03-22 | 2018-03-22 | The high-pressure injection device and vehicle of a kind of contaminated soil and underground water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108405584A (en) * | 2018-03-22 | 2018-08-17 | Jiu株式会社 | The high-pressure injection device and vehicle of a kind of contaminated soil and underground water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405584A (en) * | 2018-03-22 | 2018-08-17 | Jiu株式会社 | The high-pressure injection device and vehicle of a kind of contaminated soil and underground water |
| CN108405584B (en) * | 2018-03-22 | 2020-08-07 | Jiu株式会社 | Pollute high pressure injection device and vehicle of soil and groundwater |
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