CN207485516U - Exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle - Google Patents
Exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle Download PDFInfo
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- CN207485516U CN207485516U CN201721088102.9U CN201721088102U CN207485516U CN 207485516 U CN207485516 U CN 207485516U CN 201721088102 U CN201721088102 U CN 201721088102U CN 207485516 U CN207485516 U CN 207485516U
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Abstract
The utility model discloses a kind of exhaust twin-stage spray cooling systems based on flame proof rubber tyre vehicle, including exhaust spark arrester and individual layer exhaust pipe, exhaust spark arrester inlet port is sequentially connected entrance cooling jacket exhaust pipe, first order spray cooling device, middle part cooling jacket exhaust pipe, the first filter net device, second level spray cooling device, the second filter net device and outlet cooling jacket exhaust pipe, it is disposed as two-layer pipe, internal layer is exhaust passage, and interlayer is cooling water circulation channel；First order spray cooling device and second level spray cooling device are all connected with water system, outlet cooling jacket exhaust bottom of the tube connection water reclamation system, individual layer exhaust pipe setting exhaust gas temperature sensor.The utility model is combined using twin-stage mist cooling and the cooling of cooling jacket bimetallic tube enclosed, cooling jacket bimetallic tube is transmitted using the heat of inner layer tube wall and takes away the partial heat of exhaust by interlayer recirculated cooling water, using the high latent heat of vaporization of water, engine exhaust temperature is reduced rapidly.
Description
Technical field
The utility model belongs to flame proof rubber tyre vehicle technical field, more specifically, being to be related to a kind of row of flame proof rubber tyre vehicle
Gas twin-stage spray cooling system.
Background technology
With the development of China's In Modern Mine industry, down-hole trackless has and adapts to due to the limitation of its rail-free
The characteristics of property is strong, maneuverability is good, safe and efficient, is applied by more and more coal mining enterprises.Ore deposit underground work is empty
Between relatively close, easily explode containing the flammable explosive gas such as methane, such as open fire, quite dangerous, trackless rubber-tyred
There is the danger as potential ignition source for vehicle.
《Mining diesel engine general technical specifications MT990-2006》Provide any portion faces temperature of anti-explosion diesel engine not
It obtains more than 150 DEG C, anti-explosion diesel engine outlet port temperature is not greater than 70 DEG C.In exhaust system, medium is done with water, is played
Flame arrest, cooling and the effect for reducing flue dust；It needs to install spark arrester additional in exhaust system, eliminates issuable flame.
The most common form of exhaust cooling is the installation water-bath type waste gas treating water tank device at air exit at present, is used
The larger body structure of volume, tail gas, which is directly entered in water, to be cooled down, is filtered, eliminating spark, by being vented spark arrester through row
Tracheae is discharged.Exhaust back pressure is caused to increase while meeting and cooling down requirement of explosion proof, turbine operates in inefficient area, pumping loss
Increase reduces engine coefficient of charge and reduces air inflow, causes engine power loss serious, and engine combustion is disliked
Change, the thermal efficiency is caused to reduce to be increased with noxious gas emission.
The research of explosion-proof rubber tire tail gas heat sink focuses mostly at present changes in the structure to water-bath type waste gas treating water tank
Into, improve cooling-down effect by changing its internal structure, and it is less to the research of tail gas cooling new system.
Utility model content
The purpose of this utility model is to overcome deficiencies of the prior art, and water-bath type exhaust-gas treatment is installed additional for tradition
The problem of water tank flame proof rubber tyre vehicle exhaust resistance is big provides a kind of exhaust twin-stage mist cooling system based on flame proof rubber tyre vehicle
System.The utility model is combined using twin-stage mist cooling with the cooling of cooling jacket bimetallic tube enclosed, cooling jacket bimetallic tube profit
It is transmitted with the heat of inner layer tube wall and takes away the partial heat of exhaust by the recirculated cooling water of interlayer, mist cooling is due to high-pressure hydraulic pump
The mist droplet particle size sprayed after pressurization is smaller, and heat absorption and evaporative phase-change, using the high latent heat of vaporization of water, reduce rapidly hair in exhaust
The delivery temperature of motivation reaches the temperature value of laws and regulations requirement；Traditional antiexplosion adhesive is reduced while delivery temperature regulation is met
The exhaust resistance that wheel vehicle water-bath type waste gas treating water tank is brought, makes turbine operate in high efficient area, reduces pumping loss, improves
The dynamic property of engine, economy and emission performance.
The purpose of this utility model is achieved through the following technical solutions.
The exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle of the utility model, the exhaust resistance including interconnection
Firearm and individual layer exhaust pipe, the exhaust spark arrester inlet port are connected with entrance cooling jacket row in turn along exhaust circulating direction
Tracheae, first order spray cooling device, middle part cooling jacket exhaust pipe, the first filter net device, second level spray cooling device,
Two filter net devices and outlet cooling jacket exhaust pipe, the entrance cooling jacket exhaust pipe, first order spray cooling device, middle part
Cooling jacket exhaust pipe, second level spray cooling device and outlet cooling jacket exhaust pipe are disposed as two-layer pipe, internal layer
For exhaust passage, interlayer is cooling water circulation channel；
The first order spray cooling device and second level spray cooling device are all connected with water system, the outlet cooling
Water jacket gas exhaust pipe bottom connects water reclamation system, and exhaust gas temperature sensor is provided at the individual layer venting conduit inlet.
The entrance cooling jacket exhaust pipe, first order spray cooling device, middle part cooling jacket exhaust pipe, the first strainer
Device, second level spray cooling device, the second filter net device and outlet cooling jacket exhaust pipe, exhaust spark arrester and individual layer exhaust
Pipe is connected each other by flange.
Described entrance cooling jacket exhaust pipe one end is provided with No.1 cooling water inlet, and the other end is provided with No.1 cooling water
Outlet；Described middle part cooling jacket exhaust pipe one end is provided with No. three cooling water inlets, and the other end is provided with No. three cooling waters and goes out
Mouthful；Described outlet cooling jacket exhaust pipe one end is provided with No. five cooling water inlets, and the other end is provided with No. five cooling water outlets；
The entrance cooling jacket exhaust pipe, middle part cooling jacket exhaust pipe are equal with outlet cooling jacket air slit diameter.
The first order spray cooling device expands two-layer pipe using cooling water shell type, and one end is provided with cold with No.1
But No. two cooling water inlets that water out is connected, the other end are provided with No. two cooling waters being connected with No. three cooling water inlets
Outlet, middle part is provided with two layers of nozzle assembly, and every layer of nozzle assembly is circumferentially uniformly distributed, each nozzle assembly with water supply
System connects；The expansion cavity bottom of the first order spray cooling device is connected with the drainage pipe with discharge valve, nozzle assembly spray
What is gone out is not flow back by drainage pipe in the water tank of water system by the water that exhaust is evaporated or taken away after discharge valve is opened.
The second level spray cooling device uses straight with middle part cooling jacket exhaust pipe and outlet cooling jacket exhaust pipe
The equal two-layer pipe of diameter, one end are provided with No. four cooling water inlets being connected with No. three cooling water outlets, and the other end is set
No. four cooling water outlets being connected with No. five cooling water inlets are equipped with, middle part is circumferentially evenly arranged with to be connected with water system
The nozzle assembly connect.
The nozzle assembly includes the firm banking, connector and the nozzle that set gradually from outside to inside, the firm banking,
Connector is connected with nozzle by screw thread to each other；The firm banking upper surface is mutually welded with double-deck outer tube layer, following table
It is mutually welded with double-deck inner tube layer in face；The connector is provided with water inlet, and the water of water system enters nozzle pair by water inlet
Exhaust carries out mist cooling.
The water system includes external cistern water, and the water tank is connected with supply nozzle water route, pressure regulation water route and cycle
Water route；Water (flow) direction is disposed with gate valve, primary filter, high-pressure hydraulic pump, flowmeter, secondary on the supply nozzle water route
Filter and pressure gauge, the pressure gauge delivery outlet are divided into two branches, and a road is provided with No.1 solenoid valve and first order spray
Mist voltage-stabiliser tube, another road are provided with No. two solenoid valves and second level spraying voltage-stabiliser tube, first order spraying voltage-stabiliser tube with
Each nozzle assembly is connected in first order spray cooling device, and the second level spraying voltage-stabiliser tube is filled with second level mist cooling
Each nozzle assembly is connected in putting；Pressure regulation water route one end is connect with tank top, the other end and high-pressure hydraulic pump and flow
Supply nozzle water route between meter is connected, and relief valve is provided on the pressure regulation water route, between the relief valve and pressure gauge
It is connected with electronic control unit；Described circulation waterway one end is connect with water tank, and the other end is connect with water reclamation system, the circulation waterway
On be provided with No. three solenoid valves.
It is described exhaust spark arrester be explosion-proof parallel-plate-type spark arrester, including back-fire relief original paper and be fastened and connected upper cover plate, under
Using expansion cavity configuration, and set flange respectively, the spark arrester both sides are set respectively for cover board, the upper cover plate and lower cover
The stent being connect with upper cover plate and lower cover, the stent for be connected with engine body and with upper cover plate, lower cover appearance
The support plate of face cooperation.
The turbulent motion of the first filter net device enhancing exhaust, makes droplet be dispersed in exhaust, accelerates drop and steams
Hair improves the effect of water spray cooling exhaust；Second filter net device removes unevaporated drop in air-flow, unevaporated
Drop is flowed into water reclamation system and is recycled.
Compared with prior art, advantageous effect caused by the technical solution of the utility model is：
(1) the utility model using twin-stage mist cooling in a manner that the cooling of cooling jacket bimetallic tube enclosed is combined, it is real
Existing maximum cooling-down effect；Cooling water is sprayed after high-pressure pump pressurizes by nozzle, and water is atomized into large specific surface area
Small droplet, gasify rapidly in high-temp waste gas, absorb a large amount of heat, realize cooling to engine exhaust, filtering and
Noise reduction；Entrance cooling jacket exhaust pipe, first order spray cooling device, middle part cooling jacket exhaust pipe, second level mist cooling
Device and outlet cooling jacket exhaust pipe are disposed as two-layer pipe, and internal layer is exhaust passage, and interlayer leads to for cooling water circulation
Road is transmitted using the heat of inner layer tube wall and takes away the partial heat of exhaust by the recirculated cooling water of interlayer；
(2) the utility model first order spray cooling device and second level spray cooling device are the main cooling areas of system
Domain, several nozzle assemblies arrange in a ring in the circumferencial direction of spray cooling device casing, nozzle base and the inside and outside layer of bimetallic tube
It mutually welds, come fixed nozzle by the way of threaded connection, facilitates the installation and removal of nozzle；
(3) the utility model removes unevaporated drop in exhaust using strainer and water reclamation system, realizes the cycle of water
It utilizes, saves the consumption of water；First filter net device enhances the turbulent motion of exhaust, and droplet is made to be dispersed in exhaust,
Drop evaporation is accelerated, improves the effect of water spray cooling exhaust；Second filter net device removes unevaporated drop in air-flow,
Unevaporated drop, which is flowed into recovery system, to be recycled；
(4) pressure of supply water of the utility model water system is flexibly adjustable, and the spray of different pressures is carried out for different operating modes
Mist cools down, and realizes the compromise of cooling-down effect and water content consumption；Water system is divided into three tunnels, and the first via is supply nozzle water route, water
Pressure gauge is flowed successively through after high-pressure hydraulic pump pressurizes, flowmeter reaches the voltage-stabiliser tube of spraying devices at different levels, then passes through flow branch
Pipe is flowed into each nozzle.Second tunnel be pressure regulation water route, by adjusting pressure release valve opening come control the circulation area in pressure regulation water route and
Circulate water；Third road is circulation waterway, flow back into water tank by circulation waterway from the water of recovery system and is recycled；
(5) the utility model first order spray cooling device expands pipe structure using cooling water shell type, and exhaust is by expansion
Flow area increases after chamber, and turbulent flow is strengthened, and exhaust flow rate reduces, and mixing and evaporation effect of the droplet with exhaust are more preferably；Drop
The exhaust resistance that low traditional anti-explosion diesel vehicle water-bath type waste gas treating water tank is brought, makes turbine operate in high efficient area, reduces
Pumping loss improves the dynamic property, economy and emission performance of engine.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is first order spray cooling device schematic diagram in the utility model；
Fig. 3 is nozzle assembly schematic diagram in the utility model；
Fig. 4 is water system schematic diagram in the utility model.
Reference numeral:1 flange；2 entrance cooling jacket exhaust pipes；3 first order spray cooling devices；4 middle part cooling jackets
Exhaust pipe；5 first filter net devices；6 second level spray cooling devices；7 second filter net devices；8 outlet cooling jacket exhaust pipes；9
It is vented spark arrester；10 exhaust gas temperature sensors；11 individual layer exhaust pipes；12 nozzle assemblies；13 water reclamation systems；14 water systems；
201 No.1 cooling water inlets；202 No.1 cooling water outlets；301 No. two cooling water inlets；302 No. two cooling waters go out
Mouthful；303 expansion cavities；304 drainage pipes；305 discharge valves；401 No. three cooling water inlets；402 No. three cooling water outlets；601 No. four
Cooling water inlet；602 No. four cooling water outlets；801 No. five cooling water inlets；802 No. five cooling water outlets；In 1201 bimetallic tubes
Layer；1202 double-deck outer tube layers；1203 gaskets；1204 connectors；1205 water inlets；1206 firm bankings；1207 nozzles；1401
Water tank；1402 gate valves；1403 primary filters；1404 high-pressure hydraulic pumps；1405 flowmeters；1406 secondary filters；1407 pressure
Table；1408 No.1 solenoid valves；1409 first order spraying voltage-stabiliser tube；1410 No. two solenoid valves；1411 second level spraying voltage-stabiliser tube；
1412 No. three solenoid valves；1413 electronic control unit；1415 relief valves.
Specific embodiment
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail, and makes the above and other purpose of the utility model, feature and advantage will
It is more clear.Identical reference numeral indicates identical part in whole attached drawings.Not deliberately attached drawing drawn to scale, emphasis
It is to show the purport of the utility model.
As shown in Figure 1, the exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle of the utility model, is sprayed using twin-stage
Mist cooling is combined with the cooling of cooling jacket bimetallic tube enclosed, and cooling jacket bimetallic tube is transmitted using the heat of inner layer tube wall will exhaust
Partial heat taken away by the recirculated cooling water of interlayer, after mist cooling is pressurizeed due to high-pressure hydraulic pump the mist droplet particle size that sprays compared with
Small, heat absorption and evaporative phase-change, using the high latent heat of vaporization of water, reduce rapidly the delivery temperature of engine in exhaust.
Exhaust twin-stage spray cooling system of the utility model based on flame proof rubber tyre vehicle is set to exhaust entrance and is vented out
Between mouthful, including along the sequentially connected entrance cooling jacket exhaust pipe 2 of exhaust circulating direction, first order spray cooling device 3, in
Portion's cooling jacket exhaust pipe 4, the first filter net device 5, second level spray cooling device 6, the second filter net device 7, outlet cooling water
Exhaust pipe 8, exhaust spark arrester 9 and individual layer exhaust pipe 11 are covered, the free end of above-mentioned each component is connected to each other by flange 1
It connects.The first order spray cooling device 3 and second level spray cooling device 6 are all connected with water system 14, the outlet cooling
8 bottom of water jacket gas exhaust pipe connects water reclamation system 13, and 11 inlet of individual layer exhaust pipe is provided with exhaust gas temperature sensor 10,
Whether detection delivery temperature meets requirement of explosion proof.
The entrance cooling jacket exhaust pipe 2, first order spray cooling device 3, middle part cooling jacket exhaust pipe 4, second
Grade spray cooling device 6 and outlet cooling jacket exhaust pipe 8 are disposed as two-layer pipe, and internal layer is exhaust passage, and interlayer is
Cooling water circulation channel is transmitted using the heat of inner layer tube wall and takes away the partial heat of exhaust by the recirculated cooling water of interlayer,
The laws and regulations requirement that surface temperature is no more than 150 DEG C is met while reducing portion discharge temperature.The entrance cooling jacket row
2 one end of tracheae is provided with No.1 cooling water inlet 201, and the other end is provided with No.1 cooling water outlet 202.The middle part cooling water
4 one end of set exhaust pipe is provided with No. three cooling water inlets 401, and the other end is provided with No. three cooling water outlets 402.The outlet is cold
But 8 one end of water jacket gas exhaust pipe is provided with No. five cooling water inlets 801, and the other end is provided with No. five cooling water outlets 802.It is described enter
Mouth cooling jacket exhaust pipe 2, middle part cooling jacket exhaust pipe 4 and 8 diameter of outlet cooling jacket exhaust pipe are equal.
Dotted arrow is exhaust circulating direction in figure, and the tail gas discharged from SCR system passes through entrance cooling jacket exhaust pipe 2
Enter first order spray cooling device 3 later and carry out first time spraying, realize a flame arrest, cooling and dedusting.Exhaust completes one
Enter the first filter net device 5 after secondary mist cooling, the first filter net device 5 improves the turbulent motion of exhaust, droplet is made uniformly to divide
It is dispersed in exhaust, accelerates drop evaporation, improve the effect of water spray cooling exhaust.The tail discharged from the first filter net device 5
Gas enters second level spray cooling device 6 and completes secondary spraying, realizes secondary flame arrest, cooling and dedusting.Secondary spray is completed in exhaust
After mist by the second filter net device 7 remove air-flow in unevaporated drop, unevaporated drop enter in water reclamation system 13 into
Row recycles.The free end of outlet cooling jacket exhaust pipe 8 connects individual layer exhaust pipe 11, exhaust warp by being vented spark arrester 9
It is discharged after crossing 9 flame arrest of exhaust spark arrester from individual layer exhaust pipe 11, it is anti-whether the detection of exhaust gas temperature sensor 10 delivery temperature meets
Quick-fried requirement.Solid arrow is the circulation duct of recirculated cooling water, and recirculated cooling water is transmitted by the tube wall heat of internal layer exhaust
Partial heat is taken away, and reduces the temperature of exhaust, and whole system passes through No.1 cooling water inlet 201 and No. five cooling water outlets
801 are connected by high-temp.-resistant rubber duct with the recirculated cooling water of engine, realize the cycle of cooling water.
As shown in Fig. 2, first order spray cooling device 3, using cooling water shell type expansion two-layer pipe, interlayer circulates cold
But water, one end are provided with No. two cooling water inlets 301 being connected with No.1 cooling water outlet 202, and the other end is provided with and three
No. two cooling water outlets 302 that number cooling water inlet 401 is connected, recirculated cooling water are flowed into from No. two cooling water inlets 301, are flowed
It is flowed out through pipe sleeve from No. two cooling water outlets 302.Internal layer is the main region of mist cooling, is inhaled from exhaust by fine mist
Thermal evaporation reduces the temperature of exhaust.From entrance, the flow area after expansion cavity 303 increases for exhaust, and turbulent flow is strengthened, row
Gas velocity reduces, and mixing and evaporation effect of the droplet with exhaust are more preferably.3 middle part of first order spray cooling device is on tube wall circumferential direction
Two layers of nozzle assembly 12 is provided with, every layer of nozzle assembly 12 is circumferentially uniformly distributed several, and each nozzle assembly 12 is logical
Water supply pipe is crossed to connect with water system 14.303 bottom of expansion cavity of the first order spray cooling device 3 is connected with band drainage
The drainage pipe 304 of valve 305, what nozzle assembly 12 sprayed is not passed through by the water that exhaust is evaporated or taken away after discharge valve 305 is opened
Drainage pipe 304 is flow back into the water tank 1401 of water system 14.
The second level spray cooling device 6 uses and middle part cooling jacket exhaust pipe 4 and outlet cooling jacket exhaust pipe 8
The equal two-layer pipe of diameter, one end are provided with No. four cooling water inlets 601 being connected with No. three cooling water outlets 402,
The other end is provided with No. four cooling water outlets 602 being connected with No. five cooling water inlets 801, and middle part is circumferentially evenly arranged with
The nozzle assembly 12 being connect with water system 14.
As shown in figure 3, the nozzle assembly 12 includes the firm banking 1203, the connector 1204 that set gradually from outside to inside
With nozzle 1207, the firm banking 1203, connector 1204 and nozzle 1207 are connected to each other by screw thread.It is described solid
Determine 1203 upper surface of pedestal with double-deck outer tube layer 1202 to weld together, lower surface welds together with double-deck inner tube layer 1201.
In the coating surface of connector 1204 and nozzle 1207 plus gasket 1203, connector 1204 is bonded with firm banking 1203
Face adds gasket.Feed pipe is connected by screw thread with connector 1204, and connector 1204 is provided with water inlet 1205, is supplied water
The water of system 14 enters nozzle 1207 by water inlet 1205 and carries out mist cooling to exhaust.The component uses detachable structure,
It is easy for assemble or unload.
As shown in figure 4, the water system 14 includes external cistern water 1401, minimum liquid level is set to pass in water tank 1401
Sensor, when water level be less than minimum liquid level when warning light light.The water tank 1401 be connected with supply nozzle water route, pressure regulation water route and
Circulation waterway.
1. represent supply nozzle water route：Supply nozzle water route upper edge water (flow) direction is disposed with gate valve 1402, primary mistake
Filter 1403, high-pressure hydraulic pump 1404, flowmeter 1405, secondary filter 1406 and pressure gauge 1407, the pressure gauge 1407 are defeated
Outlet is divided into two branches, and a road is provided with No.1 solenoid valve 1408 and first order spraying voltage-stabiliser tube 1409, another road
No. two solenoid valves 1410 and second level spraying voltage-stabiliser tube 1411 are provided with, the first order spraying voltage-stabiliser tube 1409 is sprayed with the first order
Each nozzle assembly 12 is connected in mist heat sink 3, and the second level spraying voltage-stabiliser tube 1411 is filled with second level mist cooling
Each nozzle assembly 12 is connected in putting 6.
When opening gate valve 1402, water is flowed into after the filtering of primary filter 1403 in high-pressure hydraulic pump 1404, by high pressure
Flowmeter 1405 and secondary filter 1406 are flowed through after the pressurization of water pump 1404, the first order is separately flowed into after pressure gauge 1407
Spraying voltage-stabiliser tube 1409 and second level spraying voltage-stabiliser tube 1411.If first order spray cooling device 3 is needed to work, No.1 is opened
Solenoid valve 1408, water are entered by flow branch in each nozzle 1207 from first order spraying voltage-stabiliser tube 1409；If need second
Grade spray cooling device 6 works, then opens No. two solenoid valves 1410, and water passes through flow branch from second level spraying voltage-stabiliser tube 1411
Into in each nozzle 1207
2. represent pressure regulation water route：Pressure regulation water route one end and the top of water tank 1401 connects, the other end and high-pressure hydraulic pump 1404 and
Supply nozzle water route between flowmeter 1405 is connected, and relief valve 1415, the relief valve are provided on the pressure regulation water route
Electronic control unit 1413 is connected with by conducting wire between 1415 and pressure gauge 1407.The aperture control pressure regulation water route of relief valve 1415
Circulation area and circulation water.
3. represent circulation waterway：Circulation waterway one end is connect with water tank 1401, and the other end is connect with water reclamation system 13, institute
It states and No. three solenoid valves 1412 is provided on circulation waterway.Equipped with highest and lowest liquid level sensor in water reclamation system 13, work as liquid
When face height is higher than highest liquid level, No. three solenoid valves 1412 are opened, and flow recovery tank 1401 recycles；When water level is preferably minimized
During liquid level, No. three solenoid valves 1412 are closed, and exhaust is avoided to be passed in water tank 1401 from circulation waterway.
Spray press control principle：Under conditions of 1404 water supply of high-pressure hydraulic pump is certain, 1415 aperture of adjusting pressure release valve
It controls pressure regulation water route circulation area, the flexible of supply nozzle water route pressure is realized so as to change the water supply in supply nozzle water route
It is adjustable.Electronic control unit 1413 receives 1407 numerical value of pressure gauge, and 1415 aperture of adjusting pressure release valve reaches required atomisation pressure, realizes spray
The closed-loop control of mist pressure.
It is described exhaust spark arrester 9 be explosion-proof parallel-plate-type spark arrester, including back-fire relief original paper and be fastened and connected upper cover plate, under
Using expansion cavity configuration, and set flange respectively, the spark arrester both sides are set respectively for cover board, the upper cover plate and lower cover
The stent being connect with upper cover plate and lower cover, the stent for be connected with engine body and with upper cover plate, lower cover appearance
The support plate of face cooperation.
The turbulent motion of the enhancing of first filter net device 5 exhaust, makes droplet be dispersed in exhaust, accelerates drop and steams
Hair improves the effect of water spray cooling exhaust；Second filter net device 7 removes unevaporated drop in air-flow, does not evaporate
Drop be flowed into water reclamation system 13 and recycled.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned tool
Body function and the course of work, above-mentioned specific embodiment is only schematical rather than restricted, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the utility model protection.
Claims (8)
1. the exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle, exhaust spark arrester (9) and individual layer including interconnection
Exhaust pipe (11), which is characterized in that it is cold that exhaust spark arrester (9) inlet port edge exhaust circulating direction is connected with entrance in turn
But water jacket gas exhaust pipe (2), first order spray cooling device (3), middle part cooling jacket exhaust pipe (4), the first filter net device (5),
Second level spray cooling device (6), the second filter net device (7) and outlet cooling jacket exhaust pipe (8), the entrance cooling jacket
Exhaust pipe (2), first order spray cooling device (3), middle part cooling jacket exhaust pipe (4), second level spray cooling device (6) and
Outlet cooling jacket exhaust pipe (8) is disposed as two-layer pipe, and internal layer is exhaust passage, and interlayer is cooling water circulation channel；
The first order spray cooling device (3) and second level spray cooling device (6) are all connected with water system (14), it is described go out
Mouth cooling jacket exhaust pipe (8) bottom connection water reclamation system (13), individual layer exhaust pipe (11) inlet is provided with exhaust
Temperature sensor (10).
2. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
Entrance cooling jacket exhaust pipe (2), first order spray cooling device (3), middle part cooling jacket exhaust pipe (4), the first strainer dress
Put (5), second level spray cooling device (6), the second filter net device (7) and outlet cooling jacket exhaust pipe (8), exhaust spark arrester
(9) it is connected each other by flange (1) with individual layer exhaust pipe (11).
3. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
Entrance cooling jacket exhaust pipe (2) one end is provided with No.1 cooling water inlet (201), and the other end is provided with No.1 cooling water outlet
(202)；Described middle part cooling jacket exhaust pipe (4) one end is provided with No. three cooling water inlets (401), and the other end is provided with No. three
Cooling water outlet (402)；Described outlet cooling jacket exhaust pipe (8) one end is provided with No. five cooling water inlets (801), the other end
It is provided with No. five cooling water outlets (802)；The entrance cooling jacket exhaust pipe (2), middle part cooling jacket exhaust pipe (4) and go out
Mouth cooling jacket exhaust pipe (8) diameter is equal.
4. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
First order spray cooling device (3) expands two-layer pipe using cooling water shell type, and one end is provided with and No.1 cooling water outlet
(202) No. two cooling water inlets (301) being connected, the other end are provided with two to be connected with No. three cooling water inlets (401)
Number cooling water outlet (302), middle part are provided with two layers of nozzle assembly (12), and every layer of nozzle assembly (12) is circumferentially uniformly point
Cloth, each nozzle assembly (12) connect with water system (14)；The expansion cavity of the first order spray cooling device (3)
(303) bottom is connected with the drainage pipe (304) with discharge valve (305), and what nozzle assembly (12) sprayed is not vented evaporation or band
The water walked is flow back by drainage pipe (304) in the water tank (1401) of water system (14) after discharge valve (305) is opened.
5. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
Second level spray cooling device (6) uses and middle part cooling jacket exhaust pipe (4) and outlet cooling jacket exhaust pipe (8) diameter phase
Deng two-layer pipe, one end is provided with No. four cooling water inlets (601) being connected with No. three cooling water outlets (402), separately
One end is provided with No. four cooling water outlets (602) being connected with No. five cooling water inlets (801), and middle part is circumferentially uniformly arranged
There is the nozzle assembly (12) being connect with water system (14).
6. the exhaust twin-stage spray cooling system according to claim 4 or 5 based on flame proof rubber tyre vehicle, which is characterized in that
The nozzle assembly (12) includes the firm banking (1206), connector (1204) and nozzle that set gradually from outside to inside
(1207), the firm banking (1206), connector (1204) are connected with nozzle (1207) by screw thread to each other；It is described
Firm banking (1206) upper surface is mutually welded with double-deck outer tube layer (1202), and lower surface is mutually welded with double-deck inner tube layer (1201)；
The connector (1204) is provided with water inlet (1205), and the water of water system (14) is by water inlet (1205) into nozzle
(1207) mist cooling is carried out to exhaust.
7. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
Water system (14) includes external cistern water (1401), the water tank (1401) be connected with supply nozzle water route, pressure regulation water route and
Circulation waterway；Water (flow) direction is disposed with gate valve (1402), primary filter (1403), high pressure on the supply nozzle water route
Water pump (1404), flowmeter (1405), secondary filter (1406) and pressure gauge (1407), pressure gauge (1407) delivery outlet
It is divided into two branches, a road is provided with No.1 solenoid valve (1408) and first order spraying voltage-stabiliser tube (1409), another road
It is provided with No. two solenoid valves (1410) and second level spraying voltage-stabiliser tube (1411), first order spraying voltage-stabiliser tube (1409) and the
Each nozzle assembly (12) is connected in level-one spray cooling device (3), the second level spraying voltage-stabiliser tube (1411) and second
Each nozzle assembly (12) is connected in grade spray cooling device (6)；Connect at the top of pressure regulation water route one end and water tank (1401)
It connects, the supply nozzle water route between the other end and high-pressure hydraulic pump (1404) and flowmeter (1405) is connected, the pressure regulation water route
On be provided with relief valve (1415), be connected with electronic control unit (1413) between the relief valve (1415) and pressure gauge (1407)；
Described circulation waterway one end is connect with water tank (1401), and the other end is connect with water reclamation system (13), is set on the circulation waterway
It is equipped with No. three solenoid valves (1412).
8. the exhaust twin-stage spray cooling system according to claim 1 based on flame proof rubber tyre vehicle, which is characterized in that described
It is explosion-proof parallel-plate-type spark arrester to be vented spark arrester (9), described including back-fire relief original paper and the upper cover plate, the lower cover that are fastened and connected
Upper cover plate and lower cover are using expansion cavity configuration, and set flange respectively, and the spark arrester both sides are set respectively and upper cover plate
The stent connected with lower cover, the stent are to be connected with engine body and coordinate with upper cover plate, lower cover outer surface
Support plate.
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| CN201721088102.9U CN207485516U (en) | 2017-08-29 | 2017-08-29 | Exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476855A (en) * | 2017-08-29 | 2017-12-15 | 天津大学 | Exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle |
| CN110907180A (en) * | 2019-10-17 | 2020-03-24 | 芮锋射频技术(上海)有限公司 | Cooling method for high-temperature jet combustion equipment used for darkroom |
-
2017
- 2017-08-29 CN CN201721088102.9U patent/CN207485516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476855A (en) * | 2017-08-29 | 2017-12-15 | 天津大学 | Exhaust twin-stage spray cooling system based on flame proof rubber tyre vehicle |
| CN110907180A (en) * | 2019-10-17 | 2020-03-24 | 芮锋射频技术(上海)有限公司 | Cooling method for high-temperature jet combustion equipment used for darkroom |
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