CN214142308U - Stirring type anaerobic fermentation device utilizing waste heat of engine of drilling machine - Google Patents
Stirring type anaerobic fermentation device utilizing waste heat of engine of drilling machine Download PDFInfo
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- CN214142308U CN214142308U CN202021142615.5U CN202021142615U CN214142308U CN 214142308 U CN214142308 U CN 214142308U CN 202021142615 U CN202021142615 U CN 202021142615U CN 214142308 U CN214142308 U CN 214142308U
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Abstract
The utility model provides an utilize stirring formula anaerobic fermentation device of rig engine waste heat, including rig engine, fermentation cylinder and radiator. The fermentation tank comprises a tank body, a heat preservation layer and a fermentation tank cover, wherein an inner container is arranged on the outer surface layer of the tank body, the heat preservation layer is arranged outside the inner container, and a heating interlayer is arranged between the heat preservation layer and the inner container; the outer wall of the heating interlayer is provided with a hot water pipe, and the inlet and the outlet of the hot water pipe are respectively connected with a water inlet and a vent arranged on the heat-insulating layer; the water inlet is connected with a hot water outlet of the drill engine, and the vent is connected with a water inlet of the radiator; a hot water outlet of the drill engine is connected with a water inlet of the radiator; the cold water outlet of the radiator is connected with the water inlet of the engine of the drilling machine. The utility model discloses utilize the waste heat heating fermentation cylinder jar body that the engine during operation of soil remediation rig produced, can reduce the waste of the energy, keep the best fermentation temperature scope in making the fermentation cylinder through circulation water route switch simultaneously to improve fermentation speed.
Description
Technical Field
The utility model relates to an utilize stirring formula anaerobic fermentation device of soil remediation rig engine organism waste heat belongs to environment restoration technical field.
Background
With the rapid development of economy, the social industrialization process is continuously accelerated, and the soil pollution is more and more serious, so that the treatment and restoration of the soil pollution and the improvement of the soil environment are particularly important.
Anaerobic fermentation is a process of decomposing and converting organic wastes and producing biogas and carbon dioxide using metabolic processes of anaerobic microorganisms without providing oxygen. The anaerobic fermentation liquor generated by anaerobic fermentation is a high-quality organic matter, contains rich nutrient elements such as nitrogen, phosphorus, potassium and the like and trace elements such as zinc and the like, and has a better effect on the aspect of soil pollution remediation and treatment.
Temperature is one of the important factors influencing anaerobic fermentation efficiency, and in order to improve the fermentation rate, the traditional anaerobic fermentation tank mainly realizes the temperature control of the anaerobic environment through electric heating. Because soil remediation engineering is mostly operated in the field, the condition of providing electric energy for the fermentation tank at any time is not provided under most conditions, and in addition, the electric heating method has high energy consumption, and the condition that the temperature of a region adjacent to the electric heating device is higher than the temperature of the central raw material of the tank body generally occurs, so that the raw material of the tank body is unevenly heated, and the fermentation efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the prior art, the utility model provides an utilize stirring formula anaerobic fermentation device of soil remediation rig engine organism waste heat has overcome traditional anaerobic fermentation tank energy consumption higher, the raw materials is heated inequality, fermentation speed receives drawbacks such as influence.
In order to realize the technical purpose, the utility model discloses a technical scheme is:
a stirring type anaerobic fermentation device utilizing waste heat of a drilling machine engine comprises the drilling machine engine, a fermentation tank and a radiator, wherein the fermentation tank comprises a tank body, a heat preservation layer and a fermentation tank cover, an inner container is arranged on the outer surface layer of the tank body, the heat preservation layer is arranged outside the inner container, and a heating interlayer is arranged between the heat preservation layer and the inner container; the outer wall of the heating interlayer is provided with a hot water pipe, and the inlet and the outlet of the hot water pipe are respectively connected with a water inlet and a vent arranged on the heat-insulating layer; the water inlet is connected with a hot water outlet of the drill engine, and the vent is connected with a water inlet of the radiator; a hot water outlet of the drill engine is connected with a water inlet of the radiator; and a cold water outlet of the radiator is connected with a water inlet of a drilling machine engine.
Furthermore, a hot water outlet of the engine is connected with one end of the first three-way joint through a pipeline, and the other two ends of the first three-way joint are respectively connected with a water inlet on the heat insulation layer and a water inlet of the radiator through pipelines.
Furthermore, the vent on the heat preservation layer is connected with one end of a second three-way joint through a pipeline, and the other two ends of the second three-way joint are respectively connected with the water inlets of the first three-way joint and the radiator through pipelines.
Furthermore, a first ball valve and a second ball valve are respectively arranged at the pipeline connection positions of the first three-way joint and the water inlet of the radiator and the water inlet of the heat insulation layer; and a third ball valve is arranged at the joint of the second three-way joint and the vent on the heat-insulating layer.
Further, the hot water pipe surrounds the outer wall of the heating interlayer.
Further, the top of the jar body is provided with reserves the mouth, the bottom of the jar body sets up discharge gate and thermometer probe.
Further, a thermometer probe is arranged at the bottom of the heating interlayer.
Furthermore, a wrapping material is arranged on the outer surface of the heat-insulating layer, and a jacket is arranged on the inner surface of the heat-insulating layer, which is in contact with the heating interlayer.
Further, fermentation cylinder lid top sets up the motor, the motor is connected with jar stirring shaft of internal portion.
Further, stirring blades are arranged in the middle and at the lower part of the stirring shaft.
The utility model has the advantages that:
(1) the utility model discloses a device utilizes the waste heat that engine work produced to heat the fermentation cylinder, has overcome the shortcoming that traditional electrical heating fermentation cylinder energy consumption is high, has solved the energy waste problem of engine waste heat, improves the utilization efficiency of energy, reduces the waste of the energy, reaches energy-conserving purpose.
(2) The hot water pipe around the fermentation tank body improves the environmental temperature in the fermentation tank through a heat conduction mode, so that the tank body is uniformly heated, and the defect that the local heating and the heating of the traditional electric heating fermentation tank body are uneven is overcome.
(3) The switch-on and the cut-off of the circulating water path are controlled through the switch ball valve, the control of the environmental temperature in the fermentation tank is realized, the optimal fermentation temperature range is kept in the fermentation tank, the anaerobic fermentation efficiency is improved, and the produced fermentation liquid has a better repairing effect on the polluted soil and the underground water.
(4) Traditional restoration rig and fermentation cylinder are the equipment of independent separation, the utility model discloses to restore rig, anaerobic fermentation jar, radiator and form a waste heat utilization circulation system, whole equipment compact structure, the system is simple, maintains and convenient operation.
Drawings
FIG. 1 is a schematic structural view of a stirred anaerobic fermenter according to the present invention;
labeled as: 1. the fermentation tank comprises a motor, 2, a fermentation tank cover, 3, an inner container, 4, a jacket, 5, a heat preservation layer, 6, a wrapping material, 7, a thermometer probe, 8, a discharge hole, 9, the thermometer probe, 10, a vent hole, 11, a water inlet, 12, a hot water pipe, 13, a reserved hole, 14, a tank body, 15, stirring blades, 16, a stirring shaft, 17 and a heating interlayer.
FIG. 2 is a schematic view of a waste heat utilization circulation system formed by the engine, the anaerobic fermentation tank and the radiator of the utility model;
labeled as: 18. the engine hot water outlet 19, the engine water inlet 20, the radiator water inlet 21, the radiator cold water outlet 22, the water path connecting hose 23, the first tee joint 24, the first ball valve 25, the second ball valve 26, the second tee joint 27 and the third ball valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings in conjunction with specific embodiments.
As shown in fig. 1, the stirring anaerobic fermentation tank of the embodiment comprises a tank body 14, a heat-insulating layer 5 and a fermentation tank cover 2, wherein an inner container 3 is arranged on the outer surface layer of the tank body 14, the heat-insulating layer 5 is arranged outside the inner container 3, and a heating interlayer 17 is arranged between the heat-insulating layer 5 and the inner container 3; a hot water pipe 12 is arranged on the outer wall of the heating interlayer 17, and the inlet and the outlet of the hot water pipe 12 are respectively connected with a water inlet 11 and a vent 10 which are arranged on the heat-insulating layer 5; the water inlet 11 is connected with a hot water outlet 18 of the drill engine, and the vent 10 is connected with a water inlet 20 of the radiator; a hot water outlet 18 of a drill engine is connected with a water inlet 20 of a radiator matched with the soil remediation drill; the radiator cold water outlet 21 is connected to the engine water inlet 19.
In order to prevent the pressure in the tank from being too high due to the generation of gas in the tank, the top of the tank body 14 is provided with a reserved opening 13, the bottom of the tank body 14 is provided with a discharge hole 8 and a thermometer probe 9, and the bottom of the heating interlayer 17 is also provided with a thermometer probe 7. The top of the fermentation tank cover 2 is provided with a motor 1, and the motor 1 is connected with a stirring shaft 16 in the tank body 14. The middle and lower parts of the stirring shaft 16 are provided with stirring blades 15. An outer wrapping material 6 made of stainless steel 316L is arranged on the outer surface of the heat-insulating layer 5, and a jacket 4 is arranged on the inner surface of the heat-insulating layer 5, which is in contact with the heating interlayer 17.
As shown in fig. 2, the first tee 23 is provided with a first ball valve 24 and a second ball valve 25, and the second tee 26 is provided with a third ball valve 27. The circulating water path 1 is as follows: the engine hot water outlet 18-first tee 23-first ball valve 24-second tee 26-radiator water inlet 20-radiator cold water outlet 21-engine water inlet 19, the circulation water route 2 is: the engine hot water outlet 18, the first tee 23, the second ball valve 25, the water inlet 11, the vent 10, the third ball valve 27, the second tee 26, the radiator water inlet 20, the radiator cold water outlet 21 and the engine water inlet 19.
When the soil remediation drilling machine starts to work, an engine on the drilling machine generates waste heat, the waste heat enables the temperature of cold water passing through the engine to rise to form hot water, when the temperature in the tank body 14 does not reach the optimal fermentation temperature range, the first ball valve 24 is closed, the second ball valve 25 and the third ball valve 27 are opened, the circulating water path 1 is cut off, the circulating water path 2 is connected, at the moment, hot water (with the temperature of about 70-80 ℃) discharged through a hot water outlet 18 of the engine enters the hot water pipe 12 through the water inlet 11, the hot water pipe 12 surrounds the periphery 14 of the tank body 14, cold water in the heating interlayer 17 is heated in a heat conduction mode, the temperature of the cold water in the heating interlayer 17 is uniformly raised, and the ambient temperature in the tank body 14 is further raised; when the temperature probes 7 and 9 reach the optimal fermentation temperature (about 30-40 ℃), the first ball valve 24 is opened, the third ball valve 27 and the second ball valve 25 are closed in sequence, the circulating water path 2 is cut off, the circulating water path 1 is connected, and at the moment, hot water discharged from the hot water outlet 18 of the engine directly enters the radiator water inlet 20 and does not heat the fermentation tank.
The heat-insulating layer 5 has a heat-insulating effect on the tank body 14, so that the environmental temperature in the tank body 14 can be kept relatively stable within a certain time. When the anaerobic fermentation in the tank body is completed, the anaerobic fermentation liquid is discharged out of the tank body 14 through the discharge hole 8.
Examples
The restoration project is a certain petrochemical plant of Nanjing, the soil restoration project amount is about 5.7 ten thousand square, the underground water restoration project amount is 3.4 ten thousand square, and the target pollutants in the soil and the underground water are petroleum hydrocarbon. According to the results of earlier site investigation and risk assessment, the heaviest petroleum hydrocarbon polluted area in the plant soil exceeds 0.6 time, the petroleum hydrocarbon of underground water exceeds 0.8 time, and the polluted soil is repaired by adopting a microbial repair technology in consideration of the factors of light site soil pollution, easy biodegradation of the petroleum hydrocarbon, good site soil permeability, repair cost and the like.
Because repair site conditions is limited, can't provide continuous electric energy for anaerobic reactor, consequently this repair anaerobic reactor that project used adopts the utility model discloses a fermentation cylinder. The waste heat that the soil restoration rig produced the engine is taken to the hot-water line through cooling circulation water in the course of the work, the hot-water line heats the cold water in the heating intermediate layer through heat-conduction mode, make the ambient temperature in the fermentation cylinder increase, thereby realize the switch of circulation water route through the control ball valve and make the ambient temperature in the fermentation cylinder reach about the optimum fermentation temperature 35 ℃, the microbial remediation microbial inoculum that produces after the anaerobic fermentation is accomplished restores place soil and groundwater, restore 3 cycles, each cycle is 20 days, restore 60 days altogether, after the restoration, the concentration of the petroleum hydrocarbon in soil and groundwater all reduces to below the restoration target value.
The above description is only a preferred embodiment of the present invention, and does not constitute a limitation of the scope of the present invention, and various modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stirring type anaerobic fermentation device utilizing waste heat of a drilling machine engine comprises the drilling machine engine, a fermentation tank and a radiator, wherein the fermentation tank comprises a tank body, a heat preservation layer and a fermentation tank cover; the outer wall of the heating interlayer is provided with a hot water pipe, and the inlet and the outlet of the hot water pipe are respectively connected with a water inlet and a vent arranged on the heat-insulating layer; the water inlet is connected with a hot water outlet of the drill engine, and the vent is connected with a water inlet of the radiator; a hot water outlet of the drill engine is connected with a water inlet of the radiator; and a cold water outlet of the radiator is connected with a water inlet of a drilling machine engine.
2. The stirring type anaerobic fermentation device utilizing the waste heat of the engine of the drilling machine as claimed in claim 1, wherein a hot water outlet of the engine is connected with one end of a first three-way joint through a pipeline, and the other two ends of the first three-way joint are respectively connected with a water inlet on the heat insulation layer and a water inlet of the radiator through pipelines.
3. The stirring type anaerobic fermentation device utilizing the waste heat of the drilling machine engine as claimed in claim 2, wherein the vent on the heat insulation layer is connected with one end of the second tee joint through a pipeline, and the other two ends of the second tee joint are respectively connected with the first tee joint and the water inlet of the radiator through pipelines.
4. The stirring type anaerobic fermentation device utilizing the waste heat of the drilling machine engine as claimed in claim 3, wherein a first ball valve and a second ball valve are respectively arranged at the pipeline joints of the first three-way joint and the water inlet of the radiator and the water inlet of the heat insulation layer; and a third ball valve is arranged at the joint of the second three-way joint and the vent on the heat-insulating layer.
5. The anaerobic fermentation device with stirring function using the residual heat of the engine of the drilling machine as claimed in one of claims 1 to 4, wherein the hot water pipe surrounds the outer wall of the heating interlayer.
6. The stirring type anaerobic fermentation device utilizing the waste heat of the drilling machine engine as claimed in one of claims 1 to 4, wherein a reserved opening is arranged at the top of the tank body, and a discharge opening and a thermometer probe are arranged at the bottom of the tank body.
7. The stirring type anaerobic fermentation device using the residual heat of the engine of the drilling machine as claimed in one of claims 1 to 4, wherein a thermometer probe is arranged at the bottom of the heating interlayer.
8. The stirring type anaerobic fermentation device using the waste heat of the engine of the drilling machine as claimed in one of claims 1 to 4, wherein the outer surface of the heat-insulating layer is provided with a wrapping material, and the inner surface of the heat-insulating layer, which is in contact with the heating interlayer, is provided with a jacket.
9. The stirring type anaerobic fermentation device using the waste heat of the drill engine as claimed in one of claims 1 to 4, wherein a motor is arranged on the top of the fermentation tank cover, and the motor is connected with the stirring shaft inside the tank body.
10. The stirring type anaerobic fermentation device using the waste heat of the drilling machine engine as claimed in claim 9, wherein the middle and lower parts of the stirring shaft are provided with stirring blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021142615.5U CN214142308U (en) | 2020-06-18 | 2020-06-18 | Stirring type anaerobic fermentation device utilizing waste heat of engine of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021142615.5U CN214142308U (en) | 2020-06-18 | 2020-06-18 | Stirring type anaerobic fermentation device utilizing waste heat of engine of drilling machine |
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| Publication Number | Publication Date |
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| CN214142308U true CN214142308U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021142615.5U Active CN214142308U (en) | 2020-06-18 | 2020-06-18 | Stirring type anaerobic fermentation device utilizing waste heat of engine of drilling machine |
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| CN (1) | CN214142308U (en) |
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