CN211464278U - Automatic injection device of normal position chemistry - Google Patents
Automatic injection device of normal position chemistry Download PDFInfo
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- CN211464278U CN211464278U CN201922132417.4U CN201922132417U CN211464278U CN 211464278 U CN211464278 U CN 211464278U CN 201922132417 U CN201922132417 U CN 201922132417U CN 211464278 U CN211464278 U CN 211464278U
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Abstract
The utility model relates to an automatic injection device of normal position chemistry is related to. The utility model consists of a medicament mother liquor tank, a medicament preparation tank, a delivery pump, a delivery pipeline, an injection well and a liquid level control valve; the delivery pump adopts a full-automatic pressure-stabilizing booster pump, when the pipeline pressure is higher than the set maximum pressure of the pump, the pump can be automatically closed to stop injection, and when the pipeline pressure is lower than the set minimum pressure of the pump, the pump can be automatically opened to carry out medicament injection again, so that the automatic injection in a specific pressure range is realized; in addition, through at the injection well interior installation level control valve for the medicament liquid level in the injection well can keep at reasonable height, thereby prevents that the medicament from overflowing the phenomenon of well head. The utility model discloses combine pressure control and liquid level control, finally realized the automatic injection of restoreing the medicament, the system operation in-process need not extra manual operation, has saved the cost of labor greatly.
Description
Technical Field
The utility model belongs to the technical field of the environment is restoreed, concretely relates to automatic injection device of normal position chemistry.
Background
The existing soil pollution control comprises two ways: site remediation and risk management and control. Among them, site remediation is the most direct and effective way. The remediation technology can be divided into an in-situ technology and an ex-situ technology according to the remediation implementation mode. The in-situ remediation technology has become the first choice for remediation of polluted sites due to the advantages of low disturbance, low risk of secondary pollution, relatively low remediation cost and the like, and the application of the in-situ remediation technology in recent years in actual site remediation engineering in China also tends to increase year by year.
The in-situ chemical injection technology is a method of injecting chemical agents into the ground by using certain equipment, and reducing the mobility of pollutants through the physical and chemical action between the chemical agents and the pollutants so as to reduce or change the toxicity of the pollutants into non-toxicity. At present, the in-situ chemical injection technology is applied to large-scale engineering in China, but the whole set of device needs manual regulation in the operation process, and is expensive and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem, provide an automatic injection device of normal position chemistry, realize the automatic injection of restoreing the medicament through setting up full-automatic steady voltage booster pump and liquid level control valve.
The utility model discloses technical scheme as follows:
an in-situ chemical automatic injection device comprises at least one medicament mother liquor tank, a medicament preparation tank, a delivery pump, a delivery pipeline, an injection well and a liquid level control valve;
the medicament mother liquor tank is filled with a high-concentration repairing medicament and is connected with the medicament preparation tank through a pipeline; the upper part of the medicament preparation tank is provided with a paddle stirrer for diluting and mixing the repairing medicament, and the medicament preparation tank is connected with a clear water pipeline; a plurality of electromagnetic flow meters for quantitatively adding medicaments are arranged on the conveying pipeline; and the prepared remediation agent enters the injection well through the delivery pump and the delivery pipeline, and the injection well is provided with sieve holes.
Furthermore, the delivery pump is a full-automatic pressure-stabilizing booster pump, and a pressure sensor capable of automatically opening and closing the pump by sensing pressure change is arranged in the pump.
Further, the liquid level control valve is composed of a floating ball, a valve body, a medicament channel, a partition plate, a connecting rod, a connecting hole and a sealing gasket and is arranged in the injection well; the center of the valve body is provided with a connecting hole, a medicament channel is arranged outside the connecting hole, and the medicament channel is divided into two identical parts by the partition board; the floating ball is positioned at the upper end of the valve body and is connected with the sealing gasket through a connecting rod arranged in the connecting hole; the connecting rod is 5-10 cm longer than the valve body; when the liquid level rose to the valve body upper end, the floater drove connecting rod and sealing liner rebound under the buoyancy, closed the shutoff of medicament passageway for the medicament liquid level in the injection well can keep at reasonable height, thereby prevents that the medicament from spilling over the phenomenon of well head.
Further, the running outlet pressure of the full-automatic pressure-stabilizing booster pump is 0.2-0.4 MPa, when the outlet pressure of the pump is greater than 0.4MPa, the booster pump is powered off and stops running, and when the outlet pressure of the pump is less than 0.2MPa, the booster pump is restarted to run.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an automatic injection device of this kind of normal position chemistry has adopted full-automatic steady voltage booster pump as pouring into power device, and when pipeline pressure was higher than the maximum pressure that the pump was set for, the pump can the self-closing stop to pour into, and when pipeline pressure was less than the minimum pressure that the pump was set for, the pump can be opened automatically and carry out the medicament again and pour into to the automatic injection in the specific pressure range has been realized.
The utility model provides an automatic injection device of this kind of normal position chemistry through injecting the interior installation liquid level control valve of well for the medicament liquid level in the well into can keep at reasonable height, thereby prevents that the medicament from spilling over the phenomenon of well head.
The utility model provides an automatic injection device of this kind of normal position chemistry combines pressure control and liquid level control, has finally realized the automatic injection of restoration medicament, need not extra manual operation among the system operation process, has greatly saved the cost of labor.
Drawings
Fig. 1 is a schematic system diagram of the in-situ chemical automatic injection device of the present invention.
Fig. 2 is a schematic structural view of the liquid level control valve.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Description of reference numerals: 1. a clear water pipeline; 2. a medicament mother liquor tank; 3. a paddle type stirrer, 4, a medicament preparation tank; 5. a delivery pump; 6. a delivery conduit; 7. an injection well; 8. a liquid level control valve; 9. screening holes; 81. a floating ball; 82. a valve body; 83. a medicament channel; 84. a partition plate; 85. a connecting rod; 86. connecting holes; 87. and sealing the gasket.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not intended to limit the present invention.
It should be noted that the description of the present invention, referring to the orientation or position indication (such as up, down, left, right, front, back, center, etc.), is based on the orientation or position relation shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the in-situ chemical automatic injection device provided by the present invention is composed of a drug mother liquor tank 2, a drug preparation tank 4, a delivery pump 5, a delivery pipeline 6, an injection well 7 and a liquid level control valve 8; the medicament mother liquor jar 2 is equipped with the restoration medicament of high concentration, and quantity more than or equal to 1, and the restoration medicament is water-soluble oxidant, reductant, stabilizing agent, includes: hydrogen peroxide, sodium persulfate, potassium permanganate, ferrous sulfate, sodium sulfide, disodium hydrogen phosphate and the like are connected to the medicament preparation tank 4 in a parallel mode; the upper end of the medicament preparation tank 4 is provided with a paddle type stirrer 3, and the left end is provided with a clear water pipeline 1 for diluting and mixing the repairing medicament; a plurality of electromagnetic flowmeters are arranged on the conveying pipeline 6 and used for metering the medicament; the prepared remediation agent enters the injection well 7 through the transfer pump 5 and the transfer line 6, and finally diffuses and permeates through the mesh 9 on the injection well 7 into the contaminated ground.
The transfer pump 5 is a full-automatic pressure-stabilizing booster pump, a pressure sensor is arranged in the pump, and the automatic opening and closing of the pump can be realized by sensing pressure change. The running outlet pressure of the full-automatic pressure-stabilizing booster pump is 0.2-0.4 MPa, when the outlet pressure of the pump is greater than 0.4MPa, the booster pump is powered off and stops running, and when the outlet pressure of the pump is less than 0.2MPa, the booster pump is restarted to run, so that automatic injection in a specific pressure range is realized.
The level control valve 8 is composed of a float 81, a valve body 82, a chemical passage 83, a partition 84, a connecting rod 85, a connecting hole 86, and a seal packing 87, and is installed in the injection well 7. The center of the valve body 82 is a connecting hole 86, a medicine channel 86 is arranged outside the connecting hole, and the partition 84 divides the medicine channel 86 into two completely identical parts; the floating ball 81 is positioned at the upper end of the valve body 82 and is connected with a sealing gasket 87 through a connecting rod 85 arranged in a connecting hole 86; the connecting rod 85 is 5-10 cm longer than the valve body 82; when the liquid level rises to the upper end of the valve body 82, the floating ball 81 drives the connecting rod 85 and the sealing gasket 86 to move upwards under the action of buoyancy, and the medicament channel 86 is sealed and closed, so that the medicament liquid level in the injection well 7 can be kept at a reasonable height, and the phenomenon that the medicament overflows a well head is prevented.
The present invention provides an in-situ chemical automatic injection device, which is further described with reference to the following embodiments.
An in-situ chemical automatic injection device consists of a medicament mother liquor tank 2, a medicament preparation tank 4, a delivery pump 5, a delivery pipeline 6, an injection well 7 and a liquid level control valve 8; in the embodiment, 1 agent mother liquor tank 2 is arranged, and high-concentration sodium dihydrogen phosphate agent is filled in the tank; the upper end of the medicament preparation tank 4 is provided with a paddle type stirrer 3, and the left end is provided with a clear water pipeline 1 for diluting and mixing the sodium dihydrogen phosphate medicament; the agent mother liquor tank 2 and the agent preparation tank 4 are both made of HDPE materials; each conveying pipeline 6 is provided with a 1 electromagnetic flowmeter for metering medicaments; the prepared disodium hydrogen phosphate chemical enters the injection well 7 through the transfer pump 5 and the transfer pipeline 6, and finally diffuses and permeates into the contaminated land through the sieve holes 9 on the injection well 7, so that the heavy metal lead in the soil is stabilized.
The transfer pump 5 is a full-automatic pressure-stabilizing booster pump, and the embodiment is provided with 4 full-automatic pressure-stabilizing booster pumps which are made of stainless steel, have the lift of 65m and the maximum flow of 8m3And h, a pressure sensor is arranged in the pump, and the pump can be automatically started and closed by sensing pressure change. The operating outlet pressure of the full-automatic pressure-stabilizing booster pump is 0.2-0.4 MPa, when the outlet pressure of the pump is greater than 0.4MPa, the booster pump is powered off and stops operating, and when the outlet pressure of the pump is less than 0.2MPa, the booster pump is restarted to operate, so that the automatic injection of the disodium hydrogen phosphate medicament within a specific pressure range is realized.
The level control valve 8 is composed of a float 81, a valve body 82, a chemical passage 83, a partition 84, a connecting rod 85, a connecting hole 86, and a seal packing 87, and is installed in the injection well 7. In the embodiment, 40 injection wells are constructed, the injection wells are made of HDPE materials, the well depth is 6m, the diameter is 110mm, and sieve holes 9 are formed in the positions 3-5 m; the valve body 82 is made of HDPE material, has the length of 10cm and is arranged 50cm below the ground; the valve body 82 is provided with a connecting hole 86 at the center, a medicament passage 86 is arranged outside the connecting hole, and the medicament passage 86 is divided into two identical parts by the partition plate 84; the floating ball 81 is positioned at the upper end of the valve body 82 and is connected with a sealing gasket 87 through a connecting rod 85 arranged in the connecting hole 86, and the sealing gasket is made of polytetrafluoroethylene; the connecting rod 85 is 8cm longer than the valve body 82; when the liquid level rises to the upper end of the valve body 82, the floating ball 81 drives the connecting rod 85 and the sealing gasket 86 to move upwards under the action of buoyancy force to close the medicament channel 86 in a plugging manner, so that the medicament liquid level in the injection well 7 can be kept at a reasonable height, and the medicament overflow phenomenon cannot occur.
The utility model provides an automatic injection device of this kind of normal position chemistry combines pressure control and liquid level control, has finally realized the automatic injection of disodium hydrogen phosphate medicament, in the 27 days of system operation, arranges 1 workman to go on daily tour, has saved the cost of labor greatly.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (3)
1. An in-situ chemical automatic injection device is characterized by comprising at least one agent mother liquor tank, an agent preparation tank, a delivery pump, a delivery pipeline, an injection well and a liquid level control valve;
the medicament mother liquor tank is filled with a high-concentration repairing medicament and is connected with the medicament preparation tank through a pipeline; the upper part of the medicament preparation tank is provided with a paddle stirrer for diluting and mixing the repairing medicament, and the medicament preparation tank is connected with a clear water pipeline; a plurality of electromagnetic flow meters for quantitatively adding medicaments are arranged on the conveying pipeline; and the prepared remediation agent enters the injection well through the delivery pump and the delivery pipeline, and the injection well is provided with sieve holes.
2. The in-situ chemical automatic injection device according to claim 1, wherein the delivery pump is a fully automatic pressure-stabilizing booster pump, and a pressure sensor is installed in the pump, and the pressure sensor can sense pressure change to automatically open and close the pump.
3. The in-situ chemical automatic injection device according to claim 1, wherein the liquid level control valve is composed of a floating ball, a valve body, a medicament channel, a partition plate, a connecting rod, a connecting hole and a sealing gasket and is installed in the injection well; the center of the valve body is provided with a connecting hole, a medicament channel is arranged outside the connecting hole, and the medicament channel is divided into two identical parts by the partition board; the floating ball is positioned at the upper end of the valve body and is connected with the sealing gasket through a connecting rod arranged in the connecting hole; the connecting rod is 5-10 cm longer than the valve body; when the liquid level rose to the valve body upper end, the floater drove connecting rod and sealing liner rebound under the buoyancy, closed the shutoff of medicament passageway for the medicament liquid level in the injection well can keep at reasonable height, thereby prevents that the medicament from spilling over the phenomenon of well head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132417.4U CN211464278U (en) | 2019-12-01 | 2019-12-01 | Automatic injection device of normal position chemistry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922132417.4U CN211464278U (en) | 2019-12-01 | 2019-12-01 | Automatic injection device of normal position chemistry |
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| CN211464278U true CN211464278U (en) | 2020-09-11 |
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| CN201922132417.4U Active CN211464278U (en) | 2019-12-01 | 2019-12-01 | Automatic injection device of normal position chemistry |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775168A (en) * | 2020-12-08 | 2021-05-11 | 河海大学 | System and method for repairing underground water by using in-situ segmented sieve well |
| CN112872011A (en) * | 2020-12-25 | 2021-06-01 | 上海康恒环境修复有限公司 | Multimode mobile integrated in-situ chemical injection device |
| CN119527733A (en) * | 2025-01-20 | 2025-02-28 | 江苏恒实自动化设备有限公司 | Liquid meter for metering chemicals |
-
2019
- 2019-12-01 CN CN201922132417.4U patent/CN211464278U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775168A (en) * | 2020-12-08 | 2021-05-11 | 河海大学 | System and method for repairing underground water by using in-situ segmented sieve well |
| CN112775168B (en) * | 2020-12-08 | 2022-03-18 | 河海大学 | System and method for repairing underground water by using in-situ segmented sieve well |
| CN112872011A (en) * | 2020-12-25 | 2021-06-01 | 上海康恒环境修复有限公司 | Multimode mobile integrated in-situ chemical injection device |
| CN119527733A (en) * | 2025-01-20 | 2025-02-28 | 江苏恒实自动化设备有限公司 | Liquid meter for metering chemicals |
| CN119527733B (en) * | 2025-01-20 | 2025-04-01 | 江苏恒实自动化设备有限公司 | Liquid meter for metering chemicals |
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