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CN117823311A - Underground explosion-proof turbo-charging explosion-proof engine - Google Patents

Underground explosion-proof turbo-charging explosion-proof engine Download PDF

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Publication number
CN117823311A
CN117823311A CN202410025240.0A CN202410025240A CN117823311A CN 117823311 A CN117823311 A CN 117823311A CN 202410025240 A CN202410025240 A CN 202410025240A CN 117823311 A CN117823311 A CN 117823311A
Authority
CN
China
Prior art keywords
water
explosion
proof
cooling
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410025240.0A
Other languages
Chinese (zh)
Inventor
纪永虎
谢洪路
刘志强
于洪江
韩亮亮
孔磊
赵艳锋
胡乃川
韩强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Menglu Mining Engineering Co ltd
Original Assignee
Shandong Menglu Mining Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Menglu Mining Engineering Co ltd filed Critical Shandong Menglu Mining Engineering Co ltd
Priority to CN202410025240.0A priority Critical patent/CN117823311A/en
Publication of CN117823311A publication Critical patent/CN117823311A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10275—Means to avoid a change in direction of incoming fluid, e.g. all intake ducts diverging from plenum chamber at acute angles; Check valves; Flame arrestors for backfire prevention
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10255—Arrangements of valves; Multi-way valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The invention discloses an underground explosion-proof turbo-charged explosion-proof engine, which belongs to the technical field of underground explosion-proof engine equipment and comprises an air filter, a water supplementing tank, a water-cooled supercharger, an engine main body, a water-cooled circulation pipeline and a gas circulation pipeline, wherein the air filter is connected with the gas circulation pipeline, an air inlet of the gas circulation pipeline and the air filter are respectively connected with an air outlet of the gas circulation pipeline, an air outlet end of the water-cooled supercharger is respectively connected with the engine main body and the water-cooled circulation pipeline, the water-cooled circulation pipeline is arranged on the outer surface of the engine main body, and a water inlet end of a water-cooled circulation assembly is connected with the water supplementing tank.

Description

Underground explosion-proof turbo-charging explosion-proof engine
Technical Field
The invention relates to the technical field of underground explosion-proof engine equipment, in particular to an underground explosion-proof turbo-charging explosion-proof engine.
Background
In the mining working process, once sparks are generated, explosion can cause serious injury to personnel safety of workers under a mine, the explosion can cause irreversible damage to the mine, and meanwhile, serious economic loss can be caused, so that equipment operated under the environment can not generate open fire, but the traditional diesel engine safety protection device has some defects, so that great potential safety hazards can be brought to the operation of the diesel engine, particularly in the environment containing flammable and explosive gas under the coal mine, explosion can occur once the engine generates open fire, the situation is quite dangerous, and the importance of the coal mine safety and the coal mine mechanized exploitation progress is increased at present, so that an explosion-proof diesel engine and matched coal mine equipment are needed.
The publication number is: the invention patent of CN103233799A discloses a high-power explosion-proof diesel engine, which comprises the following technical scheme: the cooling device comprises a machine body, a circulating assembly and a cooling system, wherein the circulating assembly is connected with an air inlet and an air outlet of the machine body through pipelines respectively, a cooling liquid circulating pipeline is arranged in the circulating assembly, and two ends of the pipeline form a cooling liquid circulating loop with the cooling liquid circulating pipeline through a flow divider respectively.
However, the tunneling roadway and the stoping roadway at the present stage are narrow, and the air distribution quantity is small, so that some high-power explosion-proof diesel engines cannot work under the working environment with small air distribution quantity.
Disclosure of Invention
Aiming at the problem that the traditional explosion-proof engine at present cannot adapt to the narrow working environment under a mine, the invention provides the underground explosion-proof turbocharging explosion-proof engine capable of improving the combustion efficiency of the engine under the low-power working condition.
In order to achieve the above purpose, the invention adopts the following technical scheme: the underground explosion-proof turbo-charged explosion-proof engine comprises an air filter, a water supplementing tank and an engine main body, wherein the engine main body is hollow, a combustion mechanism is arranged in the engine main body, the air filter is arranged above the engine main body, the water supplementing tank is arranged on the outer surface of the engine main body, the underground explosion-proof turbo-charged explosion-proof engine further comprises a water-cooled supercharger, a water washing tank, a water-cooled circulating pipeline and a gas circulating pipeline, the output end of the water-cooled supercharger is connected with a water-cooled supercharger gas compressor, the water-cooled supercharger gas compressor is respectively connected with the output end of the air filter and the input end of the gas circulating pipeline, the output end of the gas circulating pipeline is connected with the input end of the combustion mechanism, the exhaust gas output end of the combustion mechanism is connected with a turbine part of the water-cooled supercharger, the input end of the water washing tank is connected with the turbine part of the water-cooled supercharger, and the output end of the water washing tank is provided with a water-vapor separation device; the water replenishing tank is connected with the input end of the water washing tank, the water washing tank is connected with the output part of the water cooling booster, the water washing tank is connected with the output end of the water cooling circulating pipeline, the input end of the water cooling circulating pipeline is connected with the input end of the water cooling booster, and the combustion efficiency is improved through the cooperation of the water cooling circulating pipeline and the gas circulating pipeline.
Further, the gas circulation pipeline is provided with a fence type flame arrester, the fence type flame arrester is connected with the output end of the water-cooling booster compressor, the fence type flame arrester is connected with the input end of the combustion mechanism, a flame retardant assembly is arranged between the fence type flame arrester and the input end of the combustion mechanism, and flame generated by internal combustion of the engine is transmitted out of the engine through the flame retardant assembly.
Further, the fire-retarding assembly is provided with a choke valve, the choke valve is installed at the output end of the fence-shaped flame arrester, the side surface of the choke valve, far away from the fence-shaped flame arrester, is provided with a first gas pipe, one end of the first gas pipe, far away from the choke valve, is connected with the input end of the combustion mechanism, the side surface of the choke valve, close to the fence-shaped flame arrester, is provided with a choke valve cylinder, the choke valve cylinder is communicated with the output end of the fence-shaped flame arrester, the choke valve cylinder is communicated with the first gas pipe, the isolation between the inside of the engine and the external working environment is realized through the choke valve, and explosion occurrence caused by the transmission of internal flames is avoided.
Further, the outer surface of the choke valve cylinder is provided with air holes, the air holes on the outer surface of the choke valve cylinder are provided with compressed air inlet pipes, the compressed air inlet pipes are connected with the air pump, and a power source is provided for the gas flow of the gas circuit circulation pipeline through the introduction of compressed air, so that the combustion efficiency is improved.
Further, the water-cooling booster compressor is connected with the water-cooling booster output end, the water-cooling circulation pipeline is provided with a water-cooling exhaust manifold, the water-cooling exhaust manifold input end is connected with the water-cooling booster output end, the water-cooling exhaust manifold output end is connected with a water washing tank, a water level controller is arranged on the side face of the water washing tank, a water supply device is arranged above the water washing tank, the water level controller is electrically connected with the water supply device, automatic water supply is realized through cooperation of the water level controller and the water supply device, and accordingly excessive cooling water consumption is avoided.
Further, the water hole is formed in the outer surface of the water-cooling exhaust manifold, the water hole of the water-cooling exhaust manifold is connected with the water inlet pipe, the heat radiating device is installed at one end, far away from the water cooling exhaust manifold, of the water inlet pipe, the water outlet pipe is installed at one side, far away from the water inlet pipe, of the heat radiating device, one end, far away from the heat radiator, of the water outlet pipe is communicated with the engine main body, the water pipe I and the water pipe II are respectively connected to the outer surface of the engine main body, the water pipe I is communicated with the water-cooling booster, the water pipe II is communicated with the water inlet pipe, cooling of cooling water inside the circulating pipeline is achieved through the heat radiating component, and insufficient cooling of the engine due to overhigh temperature is avoided.
Further, the water jacket is arranged on the outer surface of the water-cooling exhaust manifold, the side face of the water jacket is provided with the cooling water inlet, the cooling water inlet is communicated with the water outlet pipe, and the cooling water of the radiator cools the water-cooling exhaust manifold, so that the water-cooling exhaust manifold is prevented from being damaged due to the fact that the water-cooling exhaust manifold is in a high-temperature state for a long time.
Further, the steam discharging part of the combustion mechanism is connected with a steam eduction tube, one end of the steam eduction tube, far away from the steam discharging part of the combustion mechanism, is provided with an expansion tank, the expansion tank is provided with a water inlet, a second gas transmission tube is arranged at the water inlet of the expansion tank and is connected with a water-cooling booster, air is further compressed through the cooperation of the second gas transmission tube and the water-cooling booster, the air inlet density and the air inlet amount are further improved, the combustion efficiency is improved, the power of a diesel engine is improved, and the exhaust emission is reduced.
Further, the expansion water tank is provided with a water outlet, the water outlet of the expansion water tank is connected with a water return pipe, one end of the water return pipe, which is far away from the expansion water tank, is communicated with the water outlet pipe, and the expansion water tank provides a power source for cooling water flowing in the radiator, so that the phenomenon that the cooling water does not flow to cause insufficient cooling water cooling is avoided.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the isolation between the interior of the engine and the external working environment is realized through the choke valve, so that explosion caused by the transmission of internal flame is avoided; (2) According to the invention, the air is further compressed through the cold booster, so that the air inlet density and the air inlet amount are improved, the combustion efficiency is increased, the power of the diesel engine is improved, and the exhaust emission is reduced; (3) The invention realizes automatic water supply through the cooperation of the water level controller and the water supply device, thereby avoiding excessive consumption of cooling water.
Drawings
Fig. 1 is a three-view of the assembly of the present invention.
Fig. 2 is a general layout of the air intake and exhaust of the present invention.
Fig. 3 is a schematic diagram of the general arrangement of the cooling system of the present invention.
FIG. 4 is a schematic diagram of an exhaust treatment process according to the present invention.
FIG. 5 is a schematic diagram of the structure of the water replenishing tank of the present invention.
Fig. 6 is a schematic view of the exhaust manifold structure of the present invention.
Fig. 7 is a schematic cross-sectional view of an exhaust manifold of the present invention.
FIG. 8 is a schematic diagram of the end cap structure of the water-cooled supercharger of the present invention.
Reference numerals: 1-an air cleaner; 2-an air inlet pipe; 3-barrier type flame arresters; 4-a water-cooled booster compressor; 5-a water-cooled turbine shell; 6-a water-cooling exhaust manifold; 7-water jacket; 8-a cooling water inlet port; 9-a water-cooled exhaust manifold; 10-a fan; 11-bolts; 12-direction of air flow blowing; 13-a cylinder cover; 14-a cylinder cover air inlet cover plate; 15-choke valve; 16-compressed air inlet pipe; 17-choke valve cylinder; 18-a water supplementing tank; 19-a water supplementing pipe; 20-an exhaust gas outlet; 21-a water level controller; 22-connecting a water pipe; 23-a water outlet pipe; 24-a heat sink; 25-water inlet pipe; 26-a return pipe; 27-a pressure cap; 28-expansion tank; 29-a steam eduction tube; 30-a water-cooled supercharger; 31-the direction of motion of the air path; 32-direction of coolant flow; 33-an engine body; 34-a water washing tank.
Detailed Description
The technical scheme of the invention is further described in the following by combining with the specific embodiments.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 2 and 3, the lower side of the air filter 1 is connected with an air inlet pipe 2, the air inlet pipe 2 is connected with the input end of a water-cooled booster compressor 4, the impeller of the water-cooled booster compressor 4 is coaxial with the turbine part of the water-cooled booster 30, when the turbine of the water-cooled booster 30 rotates, the impeller of the water-cooled booster 30 is also started, the output end of the water-cooled booster compressor 4 is provided with a fence-type flame arrester 3, the fence-type flame arrester 3 is strictly designed according to the standard and the requirements, the flame tempering inside an explosion-proof diesel engine can be effectively prevented from entering the outside, the output end of the fence-type flame arrester 3 is provided with a choke valve 15, the side surface of the choke valve 15, far away from the fence-type flame arrester 3, is provided with a gas pipe I, one end of the gas pipe I, far away from the choke valve 15, the gas inlet source of the explosion-proof diesel engine can be closed timely under emergency conditions, and the function of stopping timely is achieved; the engine main body 33 upside is provided with the opening, engine main body 33 upside fixed mounting has cylinder cap 13, the opening of engine main body 33 is sealed through cylinder cap 13, engine main body 33 inside cavity, engine main body 33 internally mounted has combustion mechanism, be provided with the breach on the cylinder cap 13, install cylinder cap air inlet cover plate 14 in the breach position of cylinder cap 13 through bolt 11, the gas-supply pipe is continuous with combustion mechanism input through cylinder cap air inlet cover plate 14, choke valve 15 is close to the side-mounting of fence type flame arrester 3 and is equipped with choke valve cylinder 17, choke valve cylinder 17 and fence type flame arrester 3 output intercommunication, choke valve cylinder 17 and gas-supply pipe intercommunication, the gas motion direction is gas circuit direction of motion 31.
As shown in fig. 2 and fig. 3, the exhaust gas output end of the combustion mechanism is connected with the turbine part of the water-cooled booster 30, the input end of the water-washing tank 34 is connected with the turbine part of the water-cooled booster 30, the turbine part of the water-cooled booster 30 is connected with the water jacket 7, the output end of the water-washing tank 34 is provided with a water-vapor separation device, and the exhaust gas of the combustion mechanism enters the external atmosphere after being washed by the water-vapor separation device through the water-washing tank 34, so that the temperature of the exhaust gas can be effectively reduced below 70 ℃ required by the standard, and the barrier flame arrester 3 can also effectively prevent the flame in the explosion-proof diesel engine from leaking out, thereby avoiding the transitional consumption of cooling water in the water-washing tank 34.
As shown in fig. 2, 3, 4 and 5, the water level controller 21 is installed at the side of the water tank 34, the input end of the water tank 34 is connected with the water supplementing pipe 19, the water supplementing pipe 19 is connected with the water supplementing tank 18, the water supplementing tank 18 is connected with the water pump, the water pump is electrically connected with the water level controller 21, the water level controller 21 detects the water level in the water tank 34, and when the water level in the water tank 34 is too low, the water level controller 21 sends an electric signal to the water pump connected with the water supplementing tank 18, and then water is supplied to the water tank 34 through the water pump.
As shown in figure 2, the fence-type flame arrester 3 is connected with the output end of the water-cooled booster compressor 4, the fence-type flame arrester 3 is connected with the input end of the combustion mechanism, a choke valve 15 is arranged between the fence-type flame arrester 3 and the input end of the combustion mechanism, a gas pipe I is arranged on the side surface of the choke valve 15, which is far away from the fence-type flame arrester 3, an choke valve cylinder 17 is arranged on the side surface of the choke valve 15, which is near to the fence-type flame arrester 3, the choke valve cylinder 17 is communicated with the output end of the fence-type flame arrester 3, the choke valve cylinder 17 is communicated with the gas pipe I, air holes are formed in the outer surface of the choke valve cylinder 17, compressed air inlet pipes 16 are arranged in the air holes in the outer surface of the choke valve cylinder 17, the compressed air inlet pipes 16 are connected with the air pump, and compressed air is fed into the compressed air inlet pipes 16 through the air pump.
As shown in fig. 3, the outer surface of the water-cooling exhaust manifold 6 is provided with water holes, the water holes of the water-cooling exhaust manifold 6 are connected with a water inlet pipe 25, a radiator 24 is installed at one end of the water inlet pipe 25 far away from the water-cooling exhaust manifold 6, the radiator 24 is provided with a plurality of radiating fins, a fan 10 is installed at the side face of the radiator 24, the air flow blowing direction 12 is the air flow direction for radiating the radiating fins of the radiator 24, a water outlet pipe 23 is installed at one side of the radiator 24 far away from the water inlet pipe 25, one end of the water outlet pipe 23 far away from the radiator 24 is communicated with an engine main body 33, a water pipe I and a water pipe II are respectively connected to the outer surface of the engine main body 33, the water pipe I is communicated with a water-cooling booster 30, and the water pipe II is communicated with the water inlet pipe 25.
As shown in fig. 2 and 3, a water-cooling exhaust manifold 9 is installed in the water jacket 7, cooling water is transported through the water-cooling exhaust manifold 9, the water jacket 7 is connected with the input end of the connecting water pipe 22, the output end of the connecting water pipe 22 is connected with the water inlet pipe 25, and the movement direction of the cooling water is the flow direction 32 of cooling liquid in the third drawing.
As shown in fig. 3, a water jacket 7 is arranged on the outer surface of the water-cooled exhaust manifold 6, a cooling water inlet 8 is arranged on the side surface of the water jacket 7, and the cooling water inlet 8 is communicated with a water outlet pipe 23.
As shown in fig. 3, the steam discharging part of the combustion mechanism is connected with a steam eduction tube 29, one end of the steam eduction tube 29, far away from the steam discharging part of the combustion mechanism, is provided with an expansion tank 28, the expansion tank 28 is provided with a water inlet, the water inlet of the expansion tank 28 is provided with a second air pipe, the second air pipe is connected with a water-cooling booster 30, the expansion tank 28 is provided with a water outlet, the water outlet of the expansion tank 28 is connected with a water return tube 26, one end, far away from the expansion tank 28, of the water return tube 26 is communicated with a water outlet tube 23, the upper side of the expansion tank 28 is provided with an opening, and the opening of the upper side of the expansion tank 28 is provided with a pressure cover 27.
As shown in fig. 2 and fig. 3, the gasoline filler of the combustion mechanism is a threaded port, and the oil level display device is arranged at the gasoline filler, so that the phenomenon that engine oil in the engine body does not leak when the engine body overturns can be effectively avoided; the engine oil filling port of the combustion mechanism is provided with an organic oil scale, and the engine oil scale is in spiral fit with the engine oil filling port of the combustion mechanism, so that engine oil in the engine can be effectively prevented from leaking when the engine body is overturned; a filter screen is arranged at a vent hole of a crankcase of the combustion mechanism, and flame inside the engine body is prevented from leaking through the filter screen.
As shown in fig. 2 and 3, the water-cooled turbine housing 5 is connected with the water-cooled exhaust manifold 6, and a water jacket 7 is arranged on the outer surface of the water-cooled turbine housing 5.
The invention discloses an underground explosion-proof turbo-charging explosion-proof engine, which has the following working principle.
When the engine starts to work, air enters the air inlet pipe 2 through the purification of the air filter 1 and enters the water-cooled booster compressor 4 through the air inlet pipe 2, the air entering the water-cooled booster compressor 4 is sent into the combustion mechanism through the fence-type flame arrestor 3 and the choke valve 15, meanwhile, the air pump sends compressed air into the combustion mechanism through the compressed air inlet pipe 16 and the choke valve 15, then the combustion mechanism is started, high-temperature and high-pressure waste gas generated by the operation of the combustion mechanism is discharged into the turbine part of the water-cooled booster 30, the turbine part of the water-cooled booster 30 drives the impeller of the water-cooled booster compressor 4 to rotate through the discharged turbine part, and the air sent into the combustion mechanism by the air inlet pipe 2 is compressed and sent into the combustion mechanism, so that the air inlet density and the air inlet amount are increased, the combustion efficiency is increased, the power of the diesel engine is improved, and the exhaust gas emission is reduced.
And (II) the waste gas passing through the turbine part of the water-cooled booster 30 enters the water washing tank 34, the water in the water washing tank 34 is used for purifying and cooling the waste gas, the temperature of the waste gas is reduced below 70 ℃ required by the standard, and meanwhile, the flame inside the combustion mechanism can be effectively prevented from leaking through the fence type flame arrestor 3.
And thirdly, when the water level controller 21 detects that the water level in the water washing tank 34 is too low, the water level controller 21 sends an electric signal to a water pump connected with the water supplementing tank 18, the water pump connected with the water supplementing tank 18 is started, and then cooling water in the water supplementing tank 18 is injected into the water washing tank 34 through the water supplementing pipe 19, so that the cooling water in the water washing tank 34 is supplemented, transitional consumption of the cooling water in the water washing tank is avoided, and the normal working time of the explosion-proof diesel engine is prolonged.
And (IV) when the combustion mechanism works, the fan 10 is always in a starting state, steam generated in the working process of the combustion mechanism flows into the expansion water tank 28 through the steam outlet pipe 29, enters the water return pipe 26 through the expansion water tank 28, enters the water outlet pipe 23 after being cooled by air through the water return pipe 26, then enters the water-cooling exhaust main pipe 6 through the water outlet pipe 23 and finally returns to the water washing tank 34, and the gas in the combustion mechanism is discharged through the water-cooling exhaust main pipe 6.
And fifthly, the gas in the water inlet pipe 25 enters the radiator 24 by the thrust of water vapor, is cooled by air, passes into the water outlet pipe 23, passes into the water-cooling exhaust manifold 6 through the water outlet pipe 23 and finally returns to the water washing tank 34, and the gas is discharged through the water-cooling exhaust manifold 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. The utility model provides an explosion-proof turbo charging explosion-proof engine in pit, includes air cleaner (1), moisturizing case (18) and engine main part (33), and engine main part (33) are inside hollow, and combustion mechanism is equipped with to engine main part (33) inside, and air cleaner (1) is installed in engine main part (33) top, and moisturizing case (18) are installed on engine main part (33) surface, its characterized in that: the underground explosion-proof turbo-charged explosion-proof engine further comprises a water-cooled booster (30), a water washing tank (34), a water-cooled circulation pipeline and a gas circulation pipeline, wherein the output end of the water-cooled booster (30) is connected with a water-cooled booster compressor (4), the water-cooled booster compressor (4) is respectively connected with the output end of an air filter (1) and the input end of the gas circulation pipeline, the output end of the gas circulation pipeline is connected with the input end of a combustion mechanism, the output end of waste gas of the combustion mechanism is connected with the turbine part of the water-cooled booster (30), the input end of the water washing tank (34) is connected with the turbine part of the water-cooled booster (30), and the output end of the water washing tank (34) is connected with a water-steam separation device;
the water supplementing tank (18) is connected with the input end of the water washing tank (34), the water washing tank (34) is connected with the output part of the water cooling booster (30), the water washing tank (34) is connected with the output end of the water cooling circulation pipeline, and the input end of the water cooling circulation pipeline is connected with the input end of the water cooling booster (30).
2. A downhole explosion-proof turbocharged explosion-proof engine as set forth in claim 1, wherein: the gas circulation pipeline is provided with a fence type flame arrester (3), the fence type flame arrester (3) is connected with the output end of the water-cooling booster compressor (4), the fence type flame arrester (3) is connected with the input end of the combustion mechanism, and a flame arrester assembly is arranged between the fence type flame arrester (3) and the input end of the combustion mechanism.
3. A downhole explosion-proof turbocharged explosion-proof engine as set forth in claim 2, wherein: the fire-retarding assembly is provided with a choke valve (15), the output end of the fence-shaped flame arrester (3) is provided with the choke valve (15), the side surface of the choke valve (15) away from the fence-shaped flame arrester (3) is provided with a first gas pipe, one end of the first gas pipe away from the choke valve (15) is connected with the input end of the combustion mechanism, the side surface of the choke valve (15) close to the fence-shaped flame arrester (3) is provided with a choke valve cylinder (17), the choke valve cylinder (17) is communicated with the output end of the fence-shaped flame arrester (3), and the choke valve cylinder (17) is communicated with the first gas pipe.
4. A downhole explosion-proof turbocharged explosion-proof engine according to claim 3, wherein: the air hole is arranged on the outer surface of the choke valve cylinder (17), the compressed air inlet pipe (16) is arranged on the air hole on the outer surface of the choke valve cylinder (17), and the compressed air inlet pipe (16) is connected with the air pump.
5. A downhole explosion-proof turbocharged explosion-proof engine according to claim 3, wherein: the water-cooling booster compressor (4) is connected with the output end of the water-cooling booster (30), the water-cooling circulation pipeline is provided with a water-cooling exhaust manifold (6), the input end of the water-cooling exhaust manifold (6) is connected with the output end of the water-cooling booster (30), the output end of the water-cooling exhaust manifold (6) is connected with the water washing tank (34), the water level controller (21) is arranged on the side face of the water washing tank (34), the water supply device is arranged above the water washing tank (34), and the water level controller (21) is electrically connected with the water supply device.
6. A downhole explosion-proof turbocharged explosion-proof engine according to claim 5, wherein: the water cooling exhaust manifold (6) surface is provided with the water hole, and the water hole of water cooling exhaust manifold (6) is connected with inlet tube (25), and heat abstractor is installed to the one end that water cooling exhaust manifold (6) was kept away from to inlet tube (25), and outlet pipe (23) are installed to one side that heat abstractor kept away from inlet tube (25), and the one end that radiator (24) was kept away from to outlet pipe (23) communicates with engine main part (33), is connected with raceway one and raceway two respectively on engine main part (33) surface, raceway one and water-cooling booster (30) intercommunication, raceway two and inlet tube (25) intercommunication.
7. A downhole explosion-proof turbocharged explosion-proof engine as set forth in claim 6, wherein: the water jacket (7) is arranged on the outer surface of the water-cooling exhaust manifold (6), a cooling water inlet (8) is arranged on the side surface of the water jacket (7), and the cooling water inlet (8) is communicated with the water outlet pipe (23).
8. A downhole explosion-proof turbocharged explosion-proof engine as set forth in claim 6, wherein: the combustion mechanism steam discharge part is connected with a steam eduction tube (29), an expansion water tank (28) is arranged at one end of the steam eduction tube (29) far away from the combustion mechanism steam discharge part, a water inlet is arranged on the expansion water tank (28), a gas transmission tube II is arranged at the water inlet of the expansion water tank (28), and the gas transmission tube II is connected with a water-cooling booster (30).
9. A downhole explosion-proof turbocharged explosion-proof engine as set forth in claim 8, wherein: the expansion water tank (28) is provided with a water outlet, the water outlet of the expansion water tank (28) is connected with a water return pipe (26), and one end of the water return pipe (26) far away from the expansion water tank (28) is communicated with the water outlet pipe (23).
CN202410025240.0A 2024-01-08 2024-01-08 Underground explosion-proof turbo-charging explosion-proof engine Pending CN117823311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410025240.0A CN117823311A (en) 2024-01-08 2024-01-08 Underground explosion-proof turbo-charging explosion-proof engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410025240.0A CN117823311A (en) 2024-01-08 2024-01-08 Underground explosion-proof turbo-charging explosion-proof engine

Publications (1)

Publication Number Publication Date
CN117823311A true CN117823311A (en) 2024-04-05

Family

ID=90505905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410025240.0A Pending CN117823311A (en) 2024-01-08 2024-01-08 Underground explosion-proof turbo-charging explosion-proof engine

Country Status (1)

Country Link
CN (1) CN117823311A (en)

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