CN110359991B

CN110359991B - Silencer with cooling and fire-proof functions and production process thereof

Info

Publication number: CN110359991B
Application number: CN201910617242.8A
Authority: CN
Inventors: 李林轩
Original assignee: Nantong Xiang Teng Machinery Co ltd
Current assignee: Nantong Xiang Teng Machinery Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2021-06-15
Anticipated expiration: 2039-07-10
Also published as: CN110359991A

Abstract

The invention discloses a muffler with cooling and fireproof functions and a production process thereof, relates to the technical field of sound absorption equipment and aims to solve the technical problem that the conventional muffler does not have the cooling function.

Description

Silencer with cooling and fire-proof functions and production process thereof

Technical Field

The invention relates to the technical field of sound absorption equipment, in particular to a silencer with cooling and fireproof functions and a production process thereof.

Background

A muffler is a mechanical device used for sound absorption and noise reduction.

The silencer among the prior art refers to fig. 7 and shows, and it includes hollow body 1, and body 1 inner wall is equipped with soundproof cotton 11, and with the tip of body 1 installation to the diesel engine blast pipe during its use, can realize making an uproar falls in diesel engine blast pipe department through soundproof cotton 11.

However, the temperature of the exhaust gas of the diesel engine is about 400 ℃, and the existing silencer can only reduce noise but can not reduce temperature, so that the temperature of the exhaust gas actually discharged by the silencer is still high, and therefore the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a silencer with cooling and fire-proof functions and a production process thereof, and the silencer has the advantage of assisting in reducing the temperature of tail gas exhausted by the silencer.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a have muffler of cooling fire prevention function concurrently, includes hollow body, the body inner wall is equipped with the soundproof cotton, the body tip is equipped with the heat transfer hole, the heat transfer hole is the through-hole, the heat transfer hole just is the heliciform with the axle center with the body, the both ends in heat transfer hole are connected with inlet tube and outlet pipe respectively.

Through adopting above-mentioned technical scheme, can pour into the inlet tube with the sea water, the sea water flows through inlet tube and heat transfer hole in proper order to finally discharge from the outlet pipe, can carry out the heat transfer with the body of pipe lateral wall through the sea water, thereby can realize the cooling to the body of pipe lateral wall, can cool down the flue gas that the body of pipe inner chamber flows through, so that finally the flue gas temperature through muffler exhaust is lower.

Further, the inner wall of the heat exchange hole is provided with a spraying hole, an electromagnetic valve is arranged in the spraying hole and electrically connected with a control chip, the inner wall of the tube body is provided with a light sensor and a temperature sensor, and the light sensor and the temperature sensor are electrically connected with the control chip.

Through adopting above-mentioned technical scheme, when the open fire appears in the body inner chamber, it is corresponding, the temperature of body inner chamber further risees, and after light sensor and temperature sensor detected the illumination intensity and the temperature of body inner wall and reached the default, control chip signals opened with the control solenoid valve, can make the downthehole liquid of heat transfer spout the hole blowout from spraying to put out a fire, thereby had the function of fire prevention.

Further, the body is including a plurality of linkage units that link to each other, the heat transfer hole is located on a plurality of linkage unit's the end wall, body outside cover is equipped with hollow connecting sleeve, the connecting sleeve end wall is equipped with the connecting hole along its axial, and is a plurality of linkage unit inserts and establishes in the connecting hole, the diapire of connecting hole is equipped with the inlet opening that supplies water piping connection, the opening part threaded connection of connecting hole has and is used for supporting tightly a plurality of linkage unit and hollow closing cap sleeve, be equipped with the apopore that supplies outlet pipe to connect on the telescopic end wall of closing cap, inlet opening, a plurality of heat transfer hole are linked together with the apopore.

Through adopting above-mentioned technical scheme, during the installation, insert a plurality of linkage units and establish to the connecting hole in, and make inlet opening and heat transfer hole intercommunication, revolve the closing cap sleeve afterwards to in the connecting hole to support tightly a plurality of linkage units, and make heat transfer hole and apopore be linked together, can make the stable installation of a plurality of linkage units in the connecting sleeve, simple to operate, and divide into a plurality of linkage units with whole body, the processing of being more convenient for has reduced the processing degree of difficulty.

Furthermore, the connecting units are fixedly provided with guide rods on the end walls back to the sealing cover sleeve, guide holes for the guide rods to be inserted are formed in the connecting hole bottom wall and the end walls of the connecting units facing the sealing cover sleeve, and guide surfaces convenient for inserting the guide rods into the guide holes are formed in the end walls of the guide rods facing the guide holes.

Through adopting above-mentioned technical scheme, insert the guide bar and establish to the guiding hole in, can make the relative position relation of a plurality of coupling units can be stable, and can make the tip of coupling unit and inlet opening be the position relation of apopore can be stable, be convenient for realize the location between a plurality of coupling units and the body for connecting sleeve's location, improved the efficiency and the rate of accuracy of installation.

Furthermore, a sealing ring groove is formed in the end wall of the connecting unit, the sealing ring groove is located on the outer side of the opening of the heat exchange hole, and a sealing ring with the end wall extending out of the sealing ring groove is arranged in the sealing ring groove.

Through adopting above-mentioned technical scheme, the sealing washer can be so that between the adjacent linkage unit, between linkage unit and the connecting hole diapire, the sealed effect between linkage unit and the closing cap sleeve is better, can make the sea water flow through a plurality of heat transfer holes from the inlet opening and finally the difficult emergence of the in-process of reserving from the apopore is leaked.

Furthermore, the sealing washer is fixed to be equipped with on the end wall towards the sealed annular bottom wall and dismantles the rope, dismantle the rope and keep away from the one end of sealing washer and stretch out sealed annular.

Through adopting above-mentioned technical scheme, can be so that when needs change the sealing washer, can artifically draw and drag the dismantlement rope, can be more convenient take out the sealing ring groove with the sealing washer, improved the simple operation nature of dismantling the sealing washer.

Further, the one end that the body was kept away from to the inlet tube is connected with the delivery pipe rather than the intercommunication, be connected with the water pump between delivery pipe and the inlet tube, the one end that the water pump was kept away from to the delivery pipe is equipped with the installation pipe rather than the intercommunication, the tip that the delivery pipe was kept away from to the installation pipe is equipped with interior filter screen, and the interior filter screen outside is equipped with outer filter screen.

Through adopting above-mentioned technical scheme, soak one section of delivery pipe in the sea water, outer filter screen will carry out first step filtration to the sea water, and the sea water after will filtering reserves between outer filter screen and interior filter screen, can make the filtration pressure of interior filter screen less afterwards, can make the cleaning cycle of interior filter screen longer, and can make the miscellaneous matter of the sea water that flows into in the delivery pipe still less.

Further, outer filter screen end wall is equipped with the dismantlement hole, the tip adaptation of installation pipe and rotatable the inserting establish to dismantling downthehole, be equipped with on the interior filter screen and be used for ordering about outer filter screen pivoted driving piece.

Through adopting above-mentioned technical scheme, open the driving piece, the driving piece will order about outer filter screen and rotate, can promote the relative speed of sea water and outer filter screen, can be through the continuous washing away to outer filter screen of sea water, can make outer filter screen difficult long-pending cover impurity, can prolong the cleaning cycle of outer filter screen.

Further, the inner wall of the outer filter screen is fixedly connected with a scraper which is abutted against the outer wall of the inner filter screen.

Through adopting above-mentioned technical scheme, outer filter screen pivoted in-process can make the scraper blade rotate in step, scrapes the outer wall that can rotate the in-process and continuously scrape and sweep the inner filter screen, can be so that the deposit cover including the magazine on the filter screen can be timely scrape down, can prolong the cleaning cycle of inner filter screen.

A production process of a silencer with cooling and fireproof functions comprises the following steps:

step one, installing a mould for pouring a pipe body, and installing a spiral prefabricated rod matched with a heat exchange hole in a gap of the mould;

pouring the casting material into the gap of the mould, vibrating the mould by a vibrator to remove gas, wherein the vibrating frequency is 2000 times per minute, and the vibrating time is 6 minutes;

step three, demolding after cooling, pulling out the preform, and polishing and spraying paint on the surface of the tube;

adhering soundproof cotton to the inner wall of the pipe body;

and step five, respectively connecting the water inlet pipe and the water outlet pipe to two ends of the heat exchange hole through flanges.

Through adopting above-mentioned technical scheme, can be so that the body that has required heat transfer hole of producing, and can make the difficult bubble that produces of body through vibrating, can make the bulk strength of body higher, and the outward appearance roughness of body higher.

In conclusion, the invention has the following beneficial effects:

1. the inner wall of the pipe body is provided with soundproof cotton, the end part of the pipe body is provided with a heat exchange hole, the heat exchange hole is a through hole, the heat exchange hole and the pipe body are coaxial and spiral, two ends of the heat exchange hole are respectively connected with a water inlet pipe and a water outlet pipe, seawater can be filled into the water inlet pipe, the seawater sequentially flows through the water inlet pipe and the heat exchange hole and is finally discharged from the water outlet pipe, and the seawater can exchange heat with the side wall of the pipe body, so that the temperature of the side wall of the pipe body can be reduced, the flue gas flowing through the inner cavity of the pipe body can be reduced, and the temperature of the;

2. the utility model discloses a heat transfer hole inner wall is equipped with the hole of spraying, spray downthehole solenoid valve that is equipped with, the solenoid valve electricity is connected with control chip, the body inner wall is equipped with light sensor and temperature sensor, light sensor and temperature sensor all are connected with control chip electricity, when open fire appears in the body inner chamber, it is corresponding, the temperature of body inner chamber further risees, after light sensor and temperature sensor detected the illumination intensity and the temperature of body inner wall and reached the default, control chip signals opens with control solenoid valve, can make the downthehole liquid of heat transfer spout from spraying the hole, in order to put out a fire, thereby the function of fire prevention has.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a sectional view of the present embodiment showing the connection relationship between the pipe body and the connecting sleeve;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a sectional view showing the connection relationship between adjacent connection units in the present embodiment;

FIG. 6 is a cross-sectional view of the present embodiment for showing the connection relationship between the inner filter and the outer filter;

fig. 7 is a background art drawing.

In the figure: 1. a pipe body; 11. sound insulation cotton; 12. heat exchange holes; 13. a connection unit; 14. spraying holes; 15. an electromagnetic valve; 16. a control chip; 17. a light sensor; 18. a temperature sensor; 19. a guide bar; 190. a guide hole; 191. a guide surface; 2. a connecting sleeve; 20. connecting holes; 21. a capping sleeve; 22. a water inlet pipe; 220. a water inlet hole; 23. a water outlet pipe; 230. a water outlet hole; 3. a seal ring; 30. sealing the ring groove; 31. disassembling the rope; 4. a water supply pipe; 41. a water pump; 42. installing a pipe; 43. an inner filter screen; 44. an outer filter screen; 440. disassembling the hole; 45. a drive member; 46. a scraper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

the utility model provides a have muffler of cooling fire prevention function concurrently, refer to fig. 1 and fig. 2, it includes

hollow body

1, 1 inner wall of body bonds there is

soundproof cotton

11, 1 end wall of body is equipped with heat transfer hole 12, heat transfer hole 12 is the through-hole, heat transfer hole 12 is with the axle center with body 1 and be the heliciform, body 1 is including a plurality of linkage unit 13 that link to each other, heat transfer hole 12 is located on the end wall of a plurality of

linkage unit

13, 1 outside cover of body is equipped with hollow connecting

sleeve

2, 2 end walls of connecting sleeve are equipped with connecting hole 20 along its axial, a plurality of linkage unit 13 insert and establish in connecting hole 20, the opening part threaded connection of connecting hole 20 is used for supporting tight a plurality of linkage unit 13 and hollow closing cap.

Referring to fig. 2, a water inlet hole 220 is formed in the bottom wall of the connecting hole 20, a water inlet pipe 22 is inserted into the water inlet hole 220, the water inlet pipe 22 is connected with the end wall of the connecting sleeve 2 through a screw, a water outlet hole 230 is formed in the end wall of the sealing sleeve 21, a water outlet pipe 23 is inserted into the water outlet hole 230, the water outlet pipe 23 is connected with the end wall of the connecting sleeve 2 through a screw, and the water inlet hole 220, the plurality of heat exchange holes 12 and the.

Referring to fig. 3, a spray hole 14 is formed in the inner wall of the heat exchange hole 12, an electromagnetic valve 15 is arranged in the spray hole 14, preferably, the electromagnetic valve 15 is a hydraulic electromagnetic valve 15, the electromagnetic valve 15 is electrically connected with a control chip 16, preferably, the control chip 16 is an STM32 (embedded single chip microcomputer), an optical sensor 17 and a temperature sensor 18 are arranged on the inner wall of the tube body 1, preferably, the optical sensor 17 is a contact infrared light sensor 17, preferably, the temperature sensor 18 is a high temperature-resistant non-contact spectrum pyrometer, and both the optical sensor 17 and the temperature sensor 18 are electrically connected with the control chip 16. When the light sensor 17 and the temperature sensor 18 detect that the illumination intensity and the temperature of the inner wall of the pipe body 1 reach preset values, the control chip 16 sends a signal to control the electromagnetic valve 15 to be opened, so that the liquid in the heat exchange hole 12 can be sprayed out from the spraying hole 14 to extinguish a fire.

Referring to fig. 4, a sealing ring groove 30 is provided on the end wall of the connection unit 13, the sealing ring groove 30 is located around the opening of the heat exchange hole 12, a sealing ring 3 is inserted into the sealing ring groove 30, the sealing ring 3 is preferably made of rubber, the end wall of the sealing ring 3 extends out of the sealing ring groove 30 and is in interference abutment with the end wall of the adjacent connection unit 13 or is in interference abutment with the hole bottom of the connection hole 20 or is in interference abutment with the end wall of the capping sleeve 21.

Referring to fig. 4, a detaching rope 31 is fixed on the end wall of the bottom wall of the sealing ring groove 30, facing the sealing ring 3, and one end of the detaching rope 31, far away from the sealing ring 3, extends out of the sealing ring groove 30, so that the sealing ring 3 can be conveniently pulled out of the sealing ring groove 30 in the later period.

Referring to fig. 5, the end wall of the connecting unit 13 facing away from the capping sleeve 21 is integrally formed with a guide rod 19, the bottom wall of the connecting hole 20 and the end walls of the connecting units 13 facing the capping sleeve 21 are respectively provided with a guide hole 190, and the end wall of the guide rod 19 facing the guide hole 190 is provided with a guide surface 191 for facilitating the insertion of the guide rod 19 into the guide hole 190 so as to align the heat exchanging holes 12 of the connecting units 13.

Referring to fig. 1, one end of the water inlet pipe 22, which is far away from the connecting sleeve 2, is connected with a water supply pipe 4, the water supply pipe 4 is preferably a hose, the water inlet pipe 22 is communicated with the water supply pipe 4, a water pump 41 is connected between the water supply pipe 4 and the water inlet pipe 22, the water pump 41 is connected with the water inlet pipe 22 through a flange, the water pump 41 is fixed with the water supply pipe 4 through adhesion, one end of the water supply pipe 4, which is far away from the water pump 41, is fixed with a.

Referring to fig. 6, an inner filter 43 is screwed to an end of the mounting pipe 42 away from the water supply pipe 4, and an outer filter 44 is provided outside the inner filter 43. The end wall of the outer filter screen 44 is provided with a dismounting hole 440, and the end of the mounting pipe 42 is fittingly and rotatably inserted into the dismounting hole 440. The inner filter screen 43 is connected with a driving part 45 through a screw, the driving part 45 is preferably a motor, an output shaft of the driving part 45 is detachably connected with the outer filter screen 44 through a screw, and the driving part 45 is used for driving the outer filter screen 44 to rotate. A scraper 46 is fixed to the inner wall of the outer screen 44 by welding, and the scraper 46 abuts against the outer wall of the inner screen 43.

The working principle is as follows: during installation, the connecting units 13 are inserted into the connecting holes 20, the guide rods 19 are inserted into the corresponding guide holes 190, and then the sealing sleeve 21 is screwed into the connecting holes 20 to tightly abut against the connecting units 13, so that the connecting units 13 can be stably installed in the connecting sleeve 2.

Afterwards, place the installation pipe 42 tip in the sea water, open water pump 41, can flow through installation pipe 42, delivery pipe 4, inlet tube 22 and heat transfer hole 12 with the sea water in proper order to finally discharge from outlet pipe 23, can realize the cooling to body 1 lateral wall through the sea water, can cool down the flue gas that the inner chamber flowed through in the body 1, so that finally the flue gas temperature of discharging through the muffler is lower.

In addition, when the open fire appears in the inner cavity of the tube body 1, correspondingly, the temperature of the inner cavity of the tube body 1 is further increased, and when the light sensor 17 and the temperature sensor 18 detect that the illumination intensity and the temperature of the inner wall of the tube body 1 reach preset values, the control chip 16 sends a signal to control the electromagnetic valve 15 to be opened, so that the liquid in the heat exchange hole 12 can be sprayed out from the spraying hole 14 to extinguish the fire, and the tube has the function of fire prevention.

In addition, the driving part 45 is opened to drive the outer filter screen 44 to rotate, so that the relative flow velocity between the outer filter screen 44 and the seawater is larger, impurities in the seawater are not easy to attach to the outer filter screen 44, and the cleaning period of the outer filter screen 44 can be prolonged;

in addition, the outer filter screen 44 drives the scraper 46 to synchronously rotate in the rotating process, so that impurities accumulated on the inner filter screen 43 can be scraped, and the cleaning period of the inner filter screen 43 is prolonged;

the advantage of the longer cleaning cycle of the outer filter 44 and the inner filter 43 is obtained as a whole.

Example 2:

step one, installing a mould for pouring the pipe body 1, installing a spiral prefabricated rod matched with the heat exchange hole 12 in a mould gap, wherein the prefabricated rod and an inner cavity of the mould are coaxial;

step three, demolding after cooling, pulling out the prefabricated rod, and polishing and spraying paint on the surface of the tube body 1;

adhering the soundproof cotton 11 to the inner wall of the pipe body 1;

and step five, respectively connecting the water inlet pipe 22 and the water outlet pipe 23 to two ends of the heat exchange hole 12 through flanges.

The working principle is as follows, the produced pipe body 1 with the needed heat exchange holes 12 can be produced through the steps, bubbles are not easy to generate in the pipe body 1 through vibration, the overall strength of the pipe body 1 is high, and the appearance flatness of the pipe body 1 is high.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a have muffler of cooling fire prevention function concurrently, includes hollow body (1), body (1) inner wall is equipped with soundproof cotton (11), its characterized in that: the end part of the pipe body (1) is provided with a heat exchange hole (12), the heat exchange hole (12) is a through hole, the heat exchange hole (12) and the pipe body (1) are coaxial and are in a spiral shape, and two ends of the heat exchange hole (12) are respectively connected with a water inlet pipe (22) and a water outlet pipe (23);

one end, far away from the pipe body (1), of the water inlet pipe (22) is connected with a water supply pipe (4) communicated with the water inlet pipe, a water pump (41) is connected between the water supply pipe (4) and the water inlet pipe (22), one end, far away from the water pump (41), of the water supply pipe (4) is provided with an installation pipe (42) communicated with the water supply pipe, the end, far away from the water supply pipe (4), of the installation pipe (42) is provided with an inner filter screen (43), and the outer side of the inner filter screen (43);

the end wall of the outer filter screen (44) is provided with a dismounting hole (440), the end part of the mounting pipe (42) is matched and rotatably inserted into the dismounting hole (440), and the inner filter screen (43) is provided with a driving piece (45) for driving the outer filter screen (44) to rotate;

the inner wall of the outer filter screen (44) is fixedly connected with a scraper (46), and the scraper (46) is abutted to the outer wall of the inner filter screen (43).

2. The muffler with the functions of temperature reduction and fire prevention as claimed in claim 1, wherein: the inner wall of the heat exchange hole (12) is provided with a spray hole (14), an electromagnetic valve (15) is arranged in the spray hole (14), the electromagnetic valve (15) is electrically connected with a control chip (16), the inner wall of the pipe body (1) is provided with an optical sensor (17) and a temperature sensor (18), and the optical sensor (17) and the temperature sensor (18) are both electrically connected with the control chip (16).

3. The muffler with the functions of temperature reduction and fire prevention as claimed in claim 1, wherein: body (1) is including a plurality of linkage unit (13) that link to each other, on the end wall of a plurality of linkage unit (13) was located in heat transfer hole (12), body (1) outside cover is equipped with hollow connecting sleeve (2), connecting sleeve (2) end wall is equipped with connecting hole (20) along its axial, and is a plurality of link unit (13) are inserted and are established in connecting hole (20), the diapire of connecting hole (20) is equipped with inlet opening (220) that supply inlet tube (22) to connect, the opening part threaded connection of connecting hole (20) is used for supporting tight a plurality of linkage unit (13) and hollow closing cap sleeve (21), be equipped with apopore (230) that supply outlet pipe (23) to connect on the end wall of closing cap sleeve (21), inlet opening (220), a plurality of heat transfer hole (12) are linked together with apopore (230).

4. The muffler with cooling and fire-proof functions as claimed in claim 3, wherein: all fixed guide bar (19) that are equipped with on the end wall of connecting unit (13) closing cap sleeve (21) dorsad, all be equipped with on connecting hole (20) diapire and a plurality of connecting unit (13) the end wall towards closing cap sleeve (21) and supply guide bar (19) to insert guiding hole (190) of establishing, be equipped with on the end wall of guiding hole (190) guide bar (19) and be convenient for insert guiding surface (191) of establishing to guiding hole (190) with it.

5. The muffler with cooling and fire-proof functions as claimed in claim 3, wherein: be equipped with on the end wall of linkage unit (13) sealed annular (30), sealed annular (30) are located the outside of heat transfer hole (12) opening part, be equipped with sealing washer (3) that the end wall stretches out sealed annular (30) in sealed annular (30).

6. The muffler with cooling and fire-proof functions as claimed in claim 5, wherein: sealing washer (3) are fixed on the end wall towards sealing ring groove (30) diapire to be equipped with dismantlement rope (31), dismantle rope (31) and stretch out sealing ring groove (30) the one end of keeping away from sealing washer (3).

7. The production process of the muffler with cooling and fireproof functions as claimed in claim 1, is characterized by comprising the following steps:

step one, installing a mould for pouring the pipe body (1), and installing a spiral prefabricated rod matched with the heat exchange hole (12) in a mould gap;

step three, demolding after cooling, pulling out the prefabricated rod, and polishing and spraying paint on the surface of the tube body (1);

adhering the soundproof cotton (11) to the inner wall of the pipe body (1);

and step five, respectively connecting the water inlet pipe (22) and the water outlet pipe to two ends of the heat exchange hole (12) through flanges.