CN110359991A - A kind of muffler and its production technology having both cooling fire-proof function - Google Patents

A kind of muffler and its production technology having both cooling fire-proof function Download PDF

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Publication number
CN110359991A
CN110359991A CN201910617242.8A CN201910617242A CN110359991A CN 110359991 A CN110359991 A CN 110359991A CN 201910617242 A CN201910617242 A CN 201910617242A CN 110359991 A CN110359991 A CN 110359991A
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CN
China
Prior art keywords
tube body
heat exchanging
wall
muffler
exchanging holes
Prior art date
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Granted
Application number
CN201910617242.8A
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Chinese (zh)
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CN110359991B (en
Inventor
李林轩
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Nantong Xiang Teng Machinery Co Ltd
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Nantong Xiang Teng Machinery Co Ltd
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Priority to CN201910617242.8A priority Critical patent/CN110359991B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/009—Casting in, on, or around objects which form part of the product for casting objects the members of which can be separated afterwards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/08—Shaking, vibrating, or turning of moulds
    • 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
    • F01N13/007—Apparatus used as intake or exhaust silencer
    • 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
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • 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
    • F01N13/14—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 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
    • F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks

Abstract

The invention discloses a kind of mufflers and its production technology for having both cooling fire-proof function, it is related to a kind of sound absorption equipment technical field, aim to solve the problem that existing muffler does not have the technical issues of cooling function, its key points of the technical solution are that inboard wall of tube body is equipped with sound-proof material, tube body end is equipped with heat exchanging holes, heat exchanging holes are through-hole, heat exchanging holes and tube body are concentric and in the shape of a spiral, the both ends of heat exchanging holes are connected separately with water inlet pipe and outlet pipe, seawater can be poured into water inlet pipe, seawater is followed by water inlet pipe and heat exchanging holes, and it is finally discharged from outlet pipe, it can be exchanged heat with tube wall by seawater, to realize the cooling to tube wall, it can cool down to the flue gas that tube cavity flows through, so that the flue-gas temperature being finally discharged through muffler is lower.

Description

A kind of muffler and its production technology having both cooling fire-proof function
Technical field
The present invention relates to a kind of sound absorption equipment technical fields, more specifically, it relates to which one kind has both cooling fire-proof function Muffler and its production technology.
Background technique
Muffler is a kind of mechanical equipment for sqouynd absorption lowering noise.
Muffler in the prior art is referring to shown in Fig. 7 comprising hollow tube body 1,1 inner wall of tube body are equipped with sound-proof material 11, tube body 1 is installed to the end of Diesel Engine Exhaust Pipe when using, can be realized by sound-proof material 11 at Diesel Engine Exhaust Pipe Carry out noise reduction.
But the temperature of diesel engine vent gas, at 400 DEG C or so, existing muffler is only able to achieve noise reduction and can not achieve drop Temperature, the exhaust temperature being discharged so as to cause reality through muffler are still higher therefore to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of noise reduction for having both cooling fire-proof function Device and its production technology have the advantage that can assist reducing the exhaust temperature through muffler discharge.
To achieve the above object, the present invention provides the following technical scheme that
A kind of muffler having both cooling fire-proof function, including hollow tube body, the inboard wall of tube body is equipped with sound-proof material, the pipe Body end portion is equipped with heat exchanging holes, and the heat exchanging holes are through-hole, and the heat exchanging holes and tube body are concentric and in the shape of a spiral, the heat exchanging holes Both ends be connected separately with water inlet pipe and outlet pipe.
By using above-mentioned technical proposal, seawater can be poured into water inlet pipe, seawater followed by water inlet pipe and heat exchanging holes, and It is finally discharged, can be exchanged heat with tube wall by seawater, so that the cooling to tube wall can be realized from outlet pipe Cool down to the flue gas that tube cavity flows through, so that the flue-gas temperature being finally discharged through muffler is lower.
Further, the heat exchanging holes inner wall is equipped with spray apertures, and solenoid valve, the solenoid valve electricity are equipped in the spray apertures It is connected with control chip, the inboard wall of tube body is equipped with optical sensor and temperature sensor, the optical sensor and temperature sensor It is electrically connected with control chip.
By using above-mentioned technical proposal, when open fire occurs in tube cavity, correspondingly, the temperature of tube cavity is further It increases, after optical sensor and temperature sensor detect that the intensity of illumination of inboard wall of tube body and temperature reach preset value, controls core Piece issues signal to control solenoid valve opening, that is, the liquid in heat exchanging holes may make to spray from spray apertures, to put out a fire, thus Has the function of fireproof.
Further, the tube body includes connected several connection units, and the heat exchanging holes are set to several connection units On end wall, the tube body outer sheath is equipped with hollow connection sleeve, and the connection sleeve end wall is axially arranged with connecting hole along it, if It does the connection unit to be plugged in connecting hole, the bottom wall of the connecting hole is equipped with the inlet opening connected for water inlet pipe, the company The opening for connecing hole is threaded with for pushing against several connection units and hollow capping sleeve, the end wall of the capping sleeve It is equipped with the apopore connected for outlet pipe, the inlet opening, several heat exchanging holes are connected with apopore.
By using above-mentioned technical proposal, when installation, several connection units are plugged to connecting hole, and make inlet opening It is connected with heat exchanging holes, hereafter capping sleeve is threaded in connecting hole, to push against several connection units, and makes heat exchanging holes and go out Water hole is connected, that is, may make several connection units are stable to be mounted in connection sleeve, easy for installation, and entire tube body is divided For several connection units, it is more convenient for processing, reduces difficulty of processing.
Further, the connection unit is fixed with guide rod, the connecting hole on the end wall of capping sleeve The pilot hole plugged for guide rod, the guide rod court are equipped on the end wall of bottom wall and several connection units direction capping sleeve It is equipped with to the end wall of pilot hole convenient for being plugged to the guide surface of pilot hole.
By using above-mentioned technical proposal, guide rod is plugged to pilot hole, that is, may make the phase of several connection units Positional relationship is stabilized, and the end of connection unit may make to be stabilized with the inlet opening i.e. positional relationship of apopore, Positioning of the positioning and tube body being easy to implement between several connection units relative to connection sleeve, improves the efficiency and standard of installation True rate.
Further, the end wall of the connection unit is equipped with closure gasket groove, and closure gasket groove is located at heat exchanging holes opening Outside, the interior sealing ring that closure gasket groove is stretched out equipped with end wall of the closure gasket groove.
By using above-mentioned technical proposal, sealing ring be may make between adjacent connection unit, connection unit and connecting hole bottom Sealing effect between wall, between connection unit and capping sleeve is more preferable, that is, seawater may make to flow through several heat exchange from inlet opening Hole is not susceptible to leak during finally reserving from apopore.
Further, the sealing ring is restricted towards disassembly rope, the disassembly is fixed on the end wall of closure gasket groove bottom wall Closure gasket groove is stretched out in one end far from sealing ring.
It by using above-mentioned technical proposal, may make when needing replacing sealing ring, can manually pull disassembly rope, Ji Kegeng Sealing ring is easily taken out into closure gasket groove, has put on the operation convenience of disassembly sealing ring.
Further, the water inlet pipe is connected with the water supplying pipe communicated therewith far from one end of tube body, the water supplying pipe with Water pump is connected between water inlet pipe, the water supplying pipe is equipped with the installing pipe communicated therewith, the installing pipe far from one end of water pump End far from water supplying pipe is equipped with filtering net, is equipped with outer filter screen on the outside of filtering net.
By using above-mentioned technical proposal, one section of water supplying pipe is impregnated in the seawater, outer filter screen will carry out seawater Hereafter first step filtering may make filtering net by filtered seawater deposit between outer filter screen and filtering net Filter pressure is smaller, that is, may make the cleaning frequency of filtering net longer, and may make the miscellaneous of the seawater flowed into water supplying pipe Matter is less.
Further, the outer filter screen end wall is equipped with removal hole, the end adapter of the installing pipe and rotatable inserts If the filtering net is equipped with the actuator for driving outer filter screen rotation to removal hole.
By using above-mentioned technical proposal, actuator is opened, actuator will drive outer filter screen to rotate, and can promote seawater With the relative velocity of outer filter screen, can by seawater, constantly external filter screen is washed away, that is, may make outer filter screen not Easily product covers impurity, can extend the cleaning frequency of outer filter screen.
Further, the outer filter screen inner wall is fixedly connected with scraper plate, and the scraper plate is connected on filtering net outer wall.
By using above-mentioned technical proposal, it may make scraper plate to rotate synchronously during outer filter screen rotation, scrape and rotated Cheng Zhongke persistently sweeps the outer wall of filtering net, that is, the magazine that may make product to overlay on filtering net is timely scraped It falls, the cleaning frequency of filtering net can be extended.
A kind of production technology for the muffler having both cooling fire-proof function, comprising the following steps:
Step 1 installs the mold for pouring tube body, and it is prefabricated that helical form compatible with heat exchanging holes is installed in die clearance Stick；
Step 2 pours into castable in die clearance, vibrates mold so that gas excludes by vibrator, frequency of vibrating is 2000 times per minute, and vibrating time is 6 minutes；
Step 3 demoulds after cooling, extracts prefabricated rods, carries out polishing spray painting to tube surfaces；
Sound-proof material is attached to inboard wall of tube body by step 4；
Water inlet pipe and outlet pipe are passed through flanged joint at the both ends of heat exchanging holes by step 5 respectively.
By using above-mentioned technical proposal, the tube body with required heat exchanging holes produced may make, and can by vibrating So that tube body is not likely to produce bubble, may make tube body, higher integral strength, and the flat appearance degree of tube body is higher.
In conclusion the invention has the following advantages:
1, it uses inboard wall of tube body and is equipped with sound-proof material, tube body end is equipped with heat exchanging holes, and heat exchanging holes are through-hole, and heat exchanging holes are same with tube body Axle center and in the shape of a spiral, the both ends of heat exchanging holes are connected separately with water inlet pipe and outlet pipe, and seawater can pour into water inlet pipe, seawater according to It is secondary to flow through water inlet pipe and heat exchanging holes, and be finally discharged from outlet pipe, it can be exchanged heat with tube wall by seawater, so as to reality Now to the cooling of tube wall, it can cool down to the flue gas that tube cavity flows through, so that finally through muffler discharge Flue-gas temperature is lower；
2, it uses heat exchanging holes inner wall and is equipped with spray apertures, be equipped with solenoid valve in spray apertures, solenoid valve is electrically connected with control chip, manages Internal wall is equipped with optical sensor and temperature sensor, and optical sensor and temperature sensor are electrically connected with control chip, works as tube body When open fire occurs in inner cavity, correspondingly, the temperature of tube cavity further increases, when optical sensor and temperature sensor detect pipe After the intensity of illumination and temperature of internal wall reach preset value, control chip issues signal to control solenoid valve opening, that is, may make Liquid in heat exchanging holes is sprayed from spray apertures, to put out a fire, to have the function of fireproof.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is in the present embodiment for embodying tube body and the cross-sectional view for connecting sleeve connection relationship；
Fig. 3 is enlarged drawing at the A in Fig. 2；
Fig. 4 is enlarged drawing at the B in Fig. 2；
Fig. 5 is in the present embodiment for embodying the cross-sectional view of adjacent connection unit connection relationship；
Fig. 6 is in the present embodiment for embodying the cross-sectional view of filtering net Yu outer filter screen connection relationship；
Fig. 7 is background technique attached drawing.
In figure: 1, tube body；11, sound-proof material；12, heat exchanging holes；13, connection unit；14, spray apertures；15, solenoid valve；16, it controls Coremaking piece；17, optical sensor；18, temperature sensor；19, guide rod；190, pilot hole；191, guide surface；2, sleeve is connected； 20, connecting hole；21, sleeve is covered；22, water inlet pipe；220, inlet opening；23, outlet pipe；230, apopore；3, sealing ring；30, Closure gasket groove；31, disassembly rope；4, water supplying pipe；41, water pump；42, installing pipe；43, filtering net；44, outer filter screen；440, it tears open Unload hole；45, actuator；46, scraper plate.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
A kind of muffler having both cooling fire-proof function, referring to Figures 1 and 2 comprising hollow tube body 1,1 inner wall adhesion of tube body There is a sound-proof material 11,1 end wall of tube body is equipped with heat exchanging holes 12, and heat exchanging holes 12 are through-hole, and heat exchanging holes 12 and tube body 1 are concentric and helically Shape, tube body 1 include connected several connection units 13, and heat exchanging holes 12 are set on the end wall of several connection units 13,1 outside of tube body It is arranged with hollow connection sleeve 2,2 end wall of sleeve is connected along it and is axially arranged with connecting hole 20, several connection units 13 are plugged in In connecting hole 20, the opening of connecting hole 20 is threaded with for pushing against several connection units 13 and hollow capping sleeve 21。
Referring to Fig. 2, the bottom wall of connecting hole 20 is equipped with inlet opening 220, is inserted with water inlet pipe 22, water inlet pipe in inlet opening 220 22 are connected by screw with 2 end wall of sleeve is connect, and the end wall of capping sleeve 21 is equipped with apopore 230, are plugged in apopore 230 There is outlet pipe 23, outlet pipe 23 is connected by screw with 2 end wall of sleeve is connect, inlet opening 220, several heat exchanging holes 12 and apopore 230 are connected.
Referring to Fig. 3,12 inner wall of heat exchanging holes is equipped with spray apertures 14, is equipped with solenoid valve 15 in spray apertures 14, it is preferred that solenoid valve 15 be liquid solenoid valve 15, and solenoid valve 15 is electrically connected with control chip 16, and control chip 16 is preferably STM32(embedded single Piece machine), 1 inner wall of tube body is equipped with optical sensor 17 and temperature sensor 18, and optical sensor 17 is preferably contact type infrared optical and passes Sensor 17, temperature sensor 18 are preferably the contactless spectrum pyrometer of high temperature resistant type, optical sensor 17 and temperature sensor 18 are electrically connected with control chip 16.When optical sensor 17 and temperature sensor 18 detect 1 inner wall of tube body intensity of illumination and After temperature reaches preset value, control chip 16 issues signal to control the opening of solenoid valve 15, that is, may make the liquid in heat exchanging holes 12 Body is sprayed from spray apertures 14, to put out a fire.
Referring to Fig. 4, the end wall of connection unit 13 is equipped with closure gasket groove 30, and closure gasket groove 30 is located at 12 opening of heat exchanging holes Surrounding, sealing ring 3 is inserted in closure gasket groove 30, sealing ring 3 is preferably rubber material, and the end wall of sealing ring 3 stretches out close On seal ring slot 30 and the end wall for being connected to adjacent connection unit 13 of interference or interference is connected to 20 bottom hole of connecting hole or interference is supported It connects on the end wall of capping sleeve 21.
Referring to Fig. 4, sealing ring 3 is dismantled towards disassembly rope 31 is fixed with by adhesion on the end wall of 30 bottom wall of closure gasket groove Closure gasket groove 30 is stretched out in the one end of rope 31 far from sealing ring 3, in order to which sealing ring 3 is detached closure gasket groove 30 by the later period.
Referring to Fig. 5, connection unit 13 is on the end wall of capping sleeve 21 integrally formed with guide rod 19, connecting hole 20 Bottom wall and several connection units 13 are towards being equipped with pilot hole 190 on the end wall of capping sleeve 21, and guide rod 19 is towards pilot hole 190 end wall is equipped with guide surface 191, convenient for plugging guide rod 19 to pilot hole 190, so that connection unit 13 changes Hot hole 12 aligns.
Referring to Fig.1, water inlet pipe 22 is connected with water supplying pipe 4 far from one end of connection sleeve 2, and water supplying pipe 4 is preferably hose, Water inlet pipe 22 is connected with water supplying pipe 4, and water pump 41 is connected between water supplying pipe 4 and water inlet pipe 22, and water pump 41 and water inlet pipe 22 are logical It crosses flange to be connected, water pump 41 is fixed with water supplying pipe 4 by adhesion, and water supplying pipe 4 is fixed with far from one end of water pump 41 by adhesion Installing pipe 42, installing pipe 42 are connected with water supplying pipe 4.
Referring to Fig. 6, installing pipe 42 has been connected by screw to filtering net 43, filtering net 43 far from the end of water supplying pipe 4 Outside is equipped with outer filter screen 44.Outer 44 end wall of filter screen is equipped with removal hole 440, the end adapter of installing pipe 42 and rotatable inserts If to removal hole 440.Actuator 45 is connected by screw on filtering net 43, actuator 45 is preferably motor, driving The output shaft of part 45 is detachably connected with outer filter screen 44 by screw, and actuator 45 is for driving outer filter screen 44 to rotate. Outer 44 inner wall of filter screen is connected on 43 outer wall of filtering net by being welded with scraper plate 46, scraper plate 46.
Working principle is as follows: when installation, several connection units 13 being plugged to connecting hole 20, and guide rod 19 is inserted If hereafter capping sleeve 21 is threaded in connecting hole 20, to corresponding pilot hole 190 to push against several connection units 13 It is mounted in connection sleeve 2 so that several connection units 13 are stable.
Hereafter, 42 end of installing pipe is placed in seawater, opens water pump 41, it can be by seawater followed by installing pipe 42, water supplying pipe 4, water inlet pipe 22 and heat exchanging holes 12, and be finally discharged from outlet pipe 23, it can be realized by seawater to 1 side wall of tube body Cooling, the flue gas that can be flowed through to inner cavity in tube body 1 cools down so that the flue-gas temperature finally through muffler discharge compared with It is low.
In addition, correspondingly, the temperature of 1 inner cavity of tube body further increases, working as light sensing when open fire occurs in 1 inner cavity of tube body After device 17 and temperature sensor 18 detect that the intensity of illumination of 1 inner wall of tube body and temperature reach preset value, control chip 16 is issued Signal may make the liquid in heat exchanging holes 12 to spray from spray apertures 14 to control the opening of solenoid valve 15, to put out a fire, thus Has the function of fireproof.
In addition, opening actuator 45, drives outer filter screen 44 to rotate, that is, may make the phase between outer filter screen 44 and seawater It is bigger to flow velocity, that is, it may make the impurity in seawater to be not easy to be attached on outer filter screen 44, external filter screen 44 can be extended Cleaning frequency；
In addition, scraper plate 46 will be driven to rotate synchronously in outer 44 rotation process of filter screen, can will be deposited on filtering net 43 Impurity is struck off, to extend the cleaning frequency to filtering net 43；
Have the advantages that the cleaning frequency of outer filter screen 44 and filtering net 43 is longer on the whole.
Embodiment 2:
A kind of production technology for the muffler having both cooling fire-proof function, comprising the following steps:
Step 1 installs the mold for pouring tube body 1, and it is pre- that helical form compatible with heat exchanging holes 12 is installed in die clearance Stick processed, prefabricated rods are concentric with mold inner-cavity；
Step 2 pours into castable in die clearance, vibrates mold so that gas excludes by vibrator, frequency of vibrating is 2000 times per minute, and vibrating time is 6 minutes；
Step 3 demoulds after cooling, extracts prefabricated rods, carries out polishing spray painting to 1 surface of tube body；
Sound-proof material 11 is attached to 1 inner wall of tube body by step 4；
Step 5, by water inlet pipe 22 and outlet pipe 23 respectively by flanged joint at the both ends of heat exchanging holes 12.
Working principle is as follows, may make the tube body 1 with required heat exchanging holes 12 produced through the above steps, and pass through Vibrate and tube body 1 may make to be not likely to produce bubble, may make that higher integral strength for tube body 1, and the flat appearance degree of tube body 1 compared with It is high.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims (10)

1. a kind of muffler for having both cooling fire-proof function, including hollow tube body (1), tube body (1) inner wall is equipped with sound insulation Cotton (11), it is characterised in that: tube body (1) end is equipped with heat exchanging holes (12), and the heat exchanging holes (12) are through-hole, the heat exchange Hole (12) and tube body (1) are concentric and in the shape of a spiral, and the both ends of the heat exchanging holes (12) are connected separately with water inlet pipe (22) and go out Water pipe (23).
2. a kind of muffler for having both cooling fire-proof function according to claim 1, it is characterised in that: the heat exchanging holes (12) inner wall is equipped with spray apertures (14), is equipped with solenoid valve (15) in the spray apertures (14), and the solenoid valve (15) is electrically connected with It controls chip (16), tube body (1) inner wall is equipped with optical sensor (17) and temperature sensor (18), the optical sensor (17) And temperature sensor (18) is electrically connected with control chip (16).
3. a kind of muffler for having both cooling fire-proof function according to claim 1, it is characterised in that: the tube body (1) Including connected several connection units (13), the heat exchanging holes (12) are set on the end wall of several connection units (13), the pipe Body (1) outer sheath is equipped with hollow connection sleeve (2), and connection sleeve (2) end wall is axially arranged with connecting hole (20) along it, if It does the connection unit (13) to be plugged in connecting hole (20), the bottom wall of the connecting hole (20) is equipped with to be connected for water inlet pipe (22) Inlet opening (220), the opening of the connecting hole (20) is threaded with for pushing against several connection units (13) and hollow Capping sleeve (21), the end wall of capping sleeve (21) is equipped with the apopore (230) that connects for outlet pipe (23), described Inlet opening (220), several heat exchanging holes (12) are connected with apopore (230).
4. a kind of muffler for having both cooling fire-proof function according to claim 3, it is characterised in that: the connection unit (13) it is fixed with guide rod (19) on the end wall of capping sleeve (21), connecting hole (20) bottom wall and several connections The pilot hole (190) plugged for guide rod (19), the guiding are equipped on the end wall of unit (13) direction capping sleeve (21) The end wall of bar (19) towards pilot hole (190) is equipped with to be plugged to the guide surface of pilot hole (190) (191).
5. a kind of muffler for having both cooling fire-proof function according to claim 3, it is characterised in that: the connection unit (13) end wall is equipped with closure gasket groove (30), and closure gasket groove (30) is located at the outside of heat exchanging holes (12) opening, the sealing The sealing ring (3) of closure gasket groove (30) is stretched out in annular groove (30) equipped with end wall.
6. a kind of muffler for having both cooling fire-proof function according to claim 5, it is characterised in that: the sealing ring (3) towards disassembly rope (31) is fixed on the end wall of closure gasket groove (30) bottom wall, the disassembly rope (31) is separate sealing ring (3) One end stretch out closure gasket groove (30).
7. a kind of muffler for having both cooling fire-proof function according to claim 1, it is characterised in that: the water inlet pipe (22) one end far from tube body (1) is connected with the water supplying pipe (4) communicated therewith, between the water supplying pipe (4) and water inlet pipe (22) It is connected with water pump (41), the water supplying pipe (4) is equipped with the installing pipe (42) communicated therewith, the peace far from the one end of water pump (41) Tubulature (42) is equipped with filtering net (43) far from the end of water supplying pipe (4), is equipped with outer filter screen (44) on the outside of filtering net (43).
8. a kind of muffler for having both cooling fire-proof function according to claim 7, it is characterised in that: the outer filter screen (44) end wall is equipped with removal hole (440), the end adapter of the installing pipe (42) and rotatably plugs to removal hole (440) Interior, the filtering net (43) is equipped with the actuator (45) for driving outer filter screen (44) to rotate.
9. a kind of muffler for having both cooling fire-proof function according to claim 8, it is characterised in that: the outer filter screen (44) inner wall is fixedly connected with scraper plate (46), and the scraper plate (46) is connected on filtering net (43) outer wall.
10. a kind of production technology of the muffler according to claim 1 for having both cooling fire-proof function, it is characterised in that packet Include following steps:
Step 1 installs the mold for pouring tube body (1), installation and heat exchanging holes (12) compatible spiral in die clearance Shape prefabricated rods；
Step 2 pours into castable in die clearance, vibrates mold so that gas excludes by vibrator, frequency of vibrating is 2000 times per minute, and vibrating time is 6 minutes；
Step 3 demoulds after cooling, extracts prefabricated rods, carries out polishing spray painting to tube body (1) surface；
Sound-proof material (11) is attached to tube body (1) inner wall by step 4；
Water inlet pipe (22) and outlet pipe are passed through flanged joint at the both ends of heat exchanging holes (12) by step 5 respectively.
CN201910617242.8A 2019-07-10 2019-07-10 Silencer with cooling and fire-proof functions and production process thereof Active CN110359991B (en)

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CN110359991B CN110359991B (en) 2021-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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