CN206741931U - Pulverizer muffler - Google Patents

Pulverizer muffler Download PDF

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Publication number
CN206741931U
CN206741931U CN201720486156.4U CN201720486156U CN206741931U CN 206741931 U CN206741931 U CN 206741931U CN 201720486156 U CN201720486156 U CN 201720486156U CN 206741931 U CN206741931 U CN 206741931U
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CN
China
Prior art keywords
elbow
muffler
deflector
housing
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720486156.4U
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Chinese (zh)
Inventor
孙成宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tangshan Shuangyi Feed Machinery Co., Ltd
Original Assignee
Tangshan Fengnan District Shuangyi Feed Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tangshan Fengnan District Shuangyi Feed Machinery Co Ltd filed Critical Tangshan Fengnan District Shuangyi Feed Machinery Co Ltd
Priority to CN201720486156.4U priority Critical patent/CN206741931U/en
Application granted granted Critical
Publication of CN206741931U publication Critical patent/CN206741931U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to a kind of pulverizer muffler, including elbow under elbow and muffler on muffler, elbow is connected with elbow under muffler by muffler body on muffler；Soft sound-absorbing material is provided between upper elbow housing exterior walls and inner walls；Elbow deflector is provided with upper elbow cavity；Elbow includes lower elbow housing under muffler, and the upper end of lower elbow housing is provided with lower elbow upper flange, and housing lower end is provided with lower elbow lower flange；Muffler deflector is provided with muffler chamber body；Muffler shell inwall is provided with conflux plate.The utility model pulverizer muffler, simple in construction, muffler is using unique deflector, frame board, conflux harden structure；Each section of ventilation-sectional area constantly changes, while air flow constantly changes, noise direction local disorders reduce noise；Liner round-hole punched plate is made to be sufficient filling with soft sound-absorbing material between encased steel plate effectively to reduce noise.

Description

Pulverizer muffler
Technical field
A kind of muffler is the utility model is related to, is to be related to a kind of pulverizer muffler specifically.
Background technology
Existing pulverizer is not provided with muffler, and pulverizer produces a large amount of noises in the course of the work, seriously endangers work Human body health.
Utility model content
For above-mentioned deficiency of the prior art, the utility model offer is a kind of simple in construction, and it is worked to reduce pulverizer The pulverizer muffler of noise is produced in journey.
Technical solution adopted in the utility model is：
A kind of pulverizer muffler, including elbow under elbow and muffler on muffler, elbow and muffler on muffler Lower elbow is connected by muffler body；
Elbow includes upper elbow housing on muffler, and the upper end of upper elbow housing is provided with elbow upper flange, upper elbow Housing lower end is provided with elbow lower flange；
Upper elbow housing includes inner walls and housing exterior walls；
Upper elbow cavity is formed in upper elbow housing；
Upper elbow inner walls are made up of round-hole punched plate；
Upper elbow housing exterior walls are made up of steel plate；
Soft sound-absorbing material is provided between upper elbow housing exterior walls and inner walls；
Elbow deflector is provided with upper elbow cavity；
The both ends of upper elbow deflector are connected with inner walls respectively；
Upper elbow deflector both sides are provided with elbow gas channel；
Elbow includes lower elbow housing under muffler, and the upper end of lower elbow housing is provided with lower elbow upper flange, under housing End is provided with lower elbow lower flange；
Lower elbow housing includes inner walls and housing exterior walls；
Lower elbow cavity is formed in lower elbow housing；
Lower elbow inner walls are made up of round-hole punched plate；
Lower elbow housing exterior walls are made up of steel plate；
Soft sound-absorbing material is provided between lower elbow housing exterior walls and inner walls；
Lower elbow deflector is provided with lower elbow cavity；
The both ends of lower elbow deflector are connected with inner walls respectively；
Lower elbow deflector both sides are provided with lower elbow gas channel；
Muffler body includes muffler shell；
Muffler shell includes muffler upper flange and muffler lower flange；
Muffler shell includes muffler shell inwall and muffler shell outer wall；
Muffler cavity is formed in muffler shell body；
Muffler shell inwall is made up of round-hole punched plate；
Muffler shell outer wall is made up of steel plate；
Soft sound-absorbing material is provided between muffler shell inwall and muffler shell outer wall；
Muffler deflector is provided with muffler chamber body；
The both ends of muffler deflector are connected with muffler shell inwall respectively；
Muffler deflector both sides are provided with muffler gas channel；
Muffler shell inwall is provided with conflux plate；
Conflux plate is symmetrical arranged；
Conflux plate is the projection that inner walls extend into muffler chamber body.
Upper elbow deflector is close to upper elbow upper flange；Upper elbow deflector be arranged on the inside of elbow upper flange with it is upper curved The blue distance of overhead method is 10-50 millimeters.
Lower elbow deflector is close to lower elbow upper flange；Lower elbow deflector is arranged on curved with on the inside of lower elbow upper flange The blue distance of overhead method is 10-50 millimeters.
Muffler deflector is close to muffler upper flange；Muffler deflector is arranged on the inside of muffler upper flange and noise reduction The distance of device upper flange is 10-50 millimeters.
The draught area of the upper elbow gas channel is more than the area of air-introduced machine intake stack；
The draught area of lower elbow gas channel is more than the area of air-introduced machine intake stack；
The draught area of muffler gas channel is more than the area of air-introduced machine intake stack.
The upper elbow deflector cross section is in V-shape；The draught area of the gas channel of upper elbow water conservancy diversion front edge of board is big In the draught area of the gas channel of upper elbow deflector rear end.
The lower elbow deflector cross section is in V-shape；The draught area of the gas channel of lower elbow water conservancy diversion front edge of board is big In the draught area of the gas channel of lower elbow deflector rear end.
The muffler deflector cross section is in V-shape；The draught area of the gas channel of muffler water conservancy diversion front edge of board is big In the draught area of the gas channel of muffler deflector rear end.
The draught area at the middle part of the left hand projection middle part raised with right side is less than left hand projection top and right side is convex Play the air flow ventilating area on top；
It is raised with right side to be less than left hand projection bottom for the draught area at the middle part raised with right side in the middle part of the left hand projection The air flow ventilating area of bottom.
Left hand projection and right side convex surfaces are formed for round-hole punched plate.
Upper elbow water conservancy diversion postlaminar part is provided with the frame board of elbow deflector；
The frame board of upper elbow deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board of upper elbow deflector and upper elbow deflector.
Lower elbow water conservancy diversion postlaminar part is provided with the frame board of lower elbow deflector；
The frame board of lower elbow deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board of lower elbow deflector and lower elbow deflector.
Muffler water conservancy diversion postlaminar part is provided with the frame board of muffler deflector；
Muffler deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board and muffler deflector of muffler deflector.
The beneficial effect of the utility model compared with the prior art：
The utility model pulverizer muffler, simple in construction, muffler is using unique deflector, frame board, conflux plate Structure；Upper and lower elbow is nearby provided with deflector, frame board；Soft sound-absorbing material is full of between deflector and frame board；Upper elbow, The baffle portion of muffler body is located near upper flange, and conflux plate is located near lower flange；Each section of ventilation-sectional area is continuous Change, while air flow constantly changes, noise direction local disorders reduce noise；Between liner round-hole punched plate and encased steel plate Soft sound-absorbing material is sufficient filling with effectively to reduce noise.
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model pulverizer muffler；
Fig. 2 is the side structure schematic view of the utility model pulverizer muffler；
Fig. 3 is the utility model pulverizer muffler and pulverizer combination main structure diagram；
Fig. 4 is the utility model pulverizer muffler and pulverizer combination left view structural representation.
Critical piece symbol description in accompanying drawing：
In figure：
1st, elbow on muffler
11st, upper elbow housing 12, upper elbow upper flange
13rd, upper elbow lower flange 14, upper elbow cavity
15th, soft sound-absorbing material 16, upper elbow deflector
17th, upper elbow gas channel 18, the frame board of upper elbow deflector
19th, bolt
2nd, elbow under muffler
21st, lower elbow housing 22, lower elbow upper flange
23rd, lower elbow lower flange 24, lower elbow cavity
25th, soft sound-absorbing material 26, lower elbow deflector
27th, lower elbow gas channel 28, the frame board of lower elbow deflector
3rd, muffler body
31st, muffler shell 32, muffler upper flange
33rd, muffler lower flange 34, soft sound-absorbing material
35th, muffler deflector 36, muffler gas channel
37th, conflux plate 38, angle steel
39th, the frame board of muffler deflector
41st, muffler 42, threeway
43rd, spout 44, pulverizer
45th, discharging opening 46, muffler cavity.
Embodiment
Referring to the drawings and the utility model is described in detail embodiment：
Accompanying drawing 1-4 understands, a kind of pulverizer muffler, including elbow 2, muffler under elbow 1 and muffler on muffler Upper elbow 1 is connected with elbow under muffler 2 by muffler body 3；
Elbow 1 includes upper elbow housing 11 on muffler, and the upper end of upper elbow housing 11 is provided with elbow upper flange 12, The upper lower end of elbow housing 11 is provided with elbow lower flange 13；
Upper elbow housing 11 includes inner walls and housing exterior walls；
Upper elbow cavity 14 is formed in upper elbow housing；
Upper elbow inner walls are made up of round-hole punched plate；
Upper elbow housing exterior walls are made up of steel plate；
Soft sound-absorbing material 15 is provided between upper elbow housing exterior walls and inner walls；
Upper elbow cavity 14 is horizontally arranged with elbow deflector 16；
The both ends of upper elbow deflector 16 are connected with inner walls respectively；
The upper both sides of elbow deflector 16 are provided with elbow gas channel 17；
Elbow 2 includes lower elbow housing 21 under muffler, and the upper end of lower elbow housing 21 is provided with lower elbow upper flange 22, The lower lower end of elbow housing 21 is provided with lower elbow lower flange 23；
Lower elbow housing 21 includes inner walls and housing exterior walls；
Lower elbow cavity 24 is formed in lower elbow housing；
Lower elbow inner walls are made up of round-hole punched plate；
Lower elbow housing exterior walls are made up of steel plate；
Soft sound-absorbing material 25 is provided between lower elbow housing exterior walls and inner walls；
Lower elbow deflector 26 is horizontally arranged with lower elbow cavity 34；
The both ends of lower elbow deflector 26 are connected with inner walls respectively；
The lower both sides of elbow deflector 26 are provided with lower elbow gas channel 27；
Muffler body 3 includes muffler shell 31；
Muffler shell 31 includes muffler upper flange 32 and muffler lower flange 33；
Muffler shell 31 includes muffler shell inwall and muffler shell outer wall；
Muffler cavity 46 is formed in muffler shell 31；
The inwall of muffler shell 31 is made up of round-hole punched plate；
The outer wall of muffler shell 31 is made up of steel plate；
Soft sound-absorbing material 34 is provided between muffler shell inwall and muffler shell outer wall；
Muffler deflector 35 is horizontally arranged with muffler cavity 46；
The both ends of muffler deflector 35 are connected with muffler shell inwall respectively；
The both sides of muffler deflector 35 are provided with muffler gas channel 36；
Muffler shell inwall is provided with conflux plate 37；
Conflux plate 37 is symmetrical arranged；
Conflux plate 37 is the projection that inner walls extend into muffler chamber body.
Upper elbow deflector is close to upper elbow upper flange；Upper elbow deflector be arranged on the inside of elbow upper flange with it is upper curved The blue distance of overhead method is 10-50 millimeters.
Lower elbow deflector is close to lower elbow upper flange；Lower elbow deflector is arranged on curved with on the inside of lower elbow upper flange The blue distance of overhead method is 10-50 millimeters.
Muffler deflector is close to muffler upper flange；Muffler deflector is arranged on the inside of muffler upper flange and noise reduction The distance of device upper flange is 10-50 millimeters.
The draught area of the upper elbow gas channel is more than the area of air-introduced machine intake stack；
The draught area of lower elbow gas channel is more than the area of air-introduced machine intake stack；
The draught area of muffler gas channel is more than the area of air-introduced machine intake stack.
The upper elbow deflector cross section is in V-shape；The draught area of the gas channel of upper elbow water conservancy diversion front edge of board is big In the draught area of the gas channel of upper elbow deflector rear end.
The lower elbow deflector cross section is in V-shape；The draught area of the gas channel of lower elbow water conservancy diversion front edge of board is big In the draught area of the gas channel of lower elbow deflector rear end.
The muffler deflector cross section is in V-shape；The draught area of the gas channel of muffler water conservancy diversion front edge of board is big In the draught area of the gas channel of muffler deflector rear end.
The draught area at the middle part of the left hand projection middle part raised with right side is less than left hand projection top and right side is convex Play the air flow ventilating area on top；
It is raised with right side to be less than left hand projection bottom for the draught area at the middle part raised with right side in the middle part of the left hand projection The air flow ventilating area of bottom.
Left hand projection and right side convex surfaces are formed for round-hole punched plate.
Upper elbow water conservancy diversion postlaminar part is provided with the frame board 18 of elbow deflector；
The frame board of upper elbow deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board of upper elbow deflector and upper elbow deflector.
Lower elbow water conservancy diversion postlaminar part is provided with the frame board 28 of lower elbow deflector；
The frame board of lower elbow deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board of lower elbow deflector and lower elbow deflector.
Muffler water conservancy diversion postlaminar part is provided with the frame board of muffler deflector；
Muffler deflector is made up of round-hole punched plate；
Soft sound-absorbing material is provided between the frame board and muffler deflector of muffler deflector.
The utility model pulverizer muffler,
In order to cool down by powder material and pulverizer inner chamber, pulverizer is all equipped with air-introduced machine, and air-introduced machine and pulverizer go out Material mouth connects, then the wind that air-introduced machine is inhaled must enter from the B mouths of muffler, enter crushing by A mouths, threeway, spout Machine is simultaneously sucked away.Pulverizer work when at a high speed rotation caused by noise by spout, threeway, muffler A mouths enter muffler, It is diffused into again by B mouths in air.
Noise is advanced inwardly after being horizontally entered into by the A mouths of muffler, turned upwards, and the air point of noise is propagated during this Son quite a few all soft sound-absorbing material can be encountered by surrounding " liner round-hole punched plate " and middle part " frame board " and make propagation The vibrations of the air molecule of noise, which are weakened, both reduces noise；And inner chamber metal surface can change the air molecule of propagation noise Direction and amplitude collide with each other to reduce its oscillation intensity reduction noise.
Because conflux plate divides quite a few air for propagating noise of channel narrows when noise enters muffler body Son can pass through conflux plate（Round-hole punched plate is made）Encountering soft sound-absorbing material is weakened the vibrations of the air molecule of propagation noise Both noise is reduced.Baffle portion is provided among top simultaneously, so the air point of noise is propagated in muffler body center section Son encounters soft sound-absorbing material through skeleton and reduces noise；And inner chamber metal surface can change the air molecule of propagation noise Direction and amplitude collide with each other to reduce its oscillation intensity reduction noise.Noise enters the noise reduction road of elbow and lower elbow Manage identical.Noise is weakened and effectively reduced by continuous several times
The utility model pulverizer muffler, muffler is using unique deflector, frame board, conflux harden structure；It is upper and lower Elbow is nearby provided with deflector, frame board；Soft sound-absorbing material is full of between deflector and frame board；Upper elbow；Muffler body Baffle portion be located near upper flange, conflux plate is located near lower flange；Each section of ventilation-sectional area constantly changes, same to space-time Air-flow reduces noise to continuous change, noise direction local disorders；It is sufficient filling between liner round-hole punched plate and encased steel plate soft Matter sound-absorbing material is effectively to reduce noise.
The utility model pulverizer muffler, the pressure loss are not more than 150Pa, and sound-damping qualities are 15-30dB (A).
The utility model pulverizer muffler, if using two abridged edition body cascading effects more preferably.

Claims (7)

  1. A kind of 1. pulverizer muffler, it is characterised in that：Including elbow under elbow on muffler and muffler, elbow on muffler It is connected with elbow under muffler by muffler body；
    Elbow includes upper elbow housing on muffler, and the upper end of upper elbow housing is provided with elbow upper flange, upper elbow housing Lower end is provided with elbow lower flange；
    Upper elbow housing includes inner walls and housing exterior walls；
    Upper elbow cavity is formed in upper elbow housing；
    Upper elbow inner walls are made up of round-hole punched plate；
    Upper elbow housing exterior walls are made up of steel plate；
    Soft sound-absorbing material is provided between upper elbow housing exterior walls and inner walls；
    Elbow deflector is provided with upper elbow cavity；
    The both ends of upper elbow deflector are connected with inner walls respectively；
    Upper elbow deflector both sides are provided with elbow gas channel；
    Elbow includes lower elbow housing under muffler, and the upper end of lower elbow housing is provided with lower elbow upper flange, and housing lower end is set It is equipped with lower elbow lower flange；
    Lower elbow housing includes inner walls and housing exterior walls；
    Lower elbow cavity is formed in lower elbow housing；
    Lower elbow inner walls are made up of round-hole punched plate；
    Lower elbow housing exterior walls are made up of steel plate；
    Soft sound-absorbing material is provided between lower elbow housing exterior walls and inner walls；
    Lower elbow deflector is provided with lower elbow cavity；
    The both ends of lower elbow deflector are connected with inner walls respectively；
    Lower elbow deflector both sides are provided with lower elbow gas channel；
    Muffler body includes muffler shell；
    Muffler shell includes muffler upper flange and muffler lower flange；
    Muffler shell includes muffler shell inwall and muffler shell outer wall；
    Muffler cavity is formed in muffler shell body；
    Muffler shell inwall is made up of round-hole punched plate；
    Muffler shell outer wall is made up of steel plate；
    Soft sound-absorbing material is provided between muffler shell inwall and muffler shell outer wall；
    Muffler deflector is provided with muffler chamber body；
    The both ends of muffler deflector are connected with muffler shell inwall respectively；
    Muffler deflector both sides are provided with muffler gas channel；
    Muffler shell inwall is provided with conflux plate；
    Elbow deflector is provided with conflux plate in elbow cavity；Upper elbow deflector is symmetrical arranged；
    Conflux plate is the projection that inner walls extend into muffler chamber body.
  2. 2. pulverizer muffler according to claim 1, it is characterised in that：
    Upper elbow deflector is close to upper elbow upper flange；Upper elbow deflector is arranged on the inside of elbow upper flange and on upper elbow The distance of flange is 10-50 millimeters；
    Lower elbow deflector is close to lower elbow upper flange；Lower elbow deflector is arranged on the inside of lower elbow upper flange and on lower elbow The distance of flange is 10-50 millimeters；
    Muffler deflector is close to muffler upper flange；Muffler deflector is arranged on the inside of muffler upper flange and on muffler The distance of flange is 10-50 millimeters.
  3. 3. pulverizer muffler according to claim 1, it is characterised in that：
    The draught area of the upper elbow gas channel is more than the area of air-introduced machine intake stack；
    The draught area of lower elbow gas channel is more than the area of air-introduced machine intake stack；
    The draught area of muffler gas channel is more than the area of air-introduced machine intake stack.
  4. 4. pulverizer muffler according to claim 1, it is characterised in that：
    The upper elbow deflector cross section is in V-shape；The draught area of the gas channel of upper elbow water conservancy diversion front edge of board is more than upper The draught area of the gas channel of elbow deflector rear end；
    The lower elbow deflector cross section is in V-shape；Under the draught area of the gas channel of lower elbow water conservancy diversion front edge of board is more than The draught area of the gas channel of elbow deflector rear end；
    The muffler deflector cross section is in V-shape；The draught area of the gas channel of muffler water conservancy diversion front edge of board, which is more than, to disappear The draught area of the gas channel of sound device deflector rear end.
  5. 5. pulverizer muffler according to claim 1, it is characterised in that：
    Upper elbow water conservancy diversion postlaminar part is provided with the frame board of elbow deflector；
    The frame board of upper elbow deflector is made up of round-hole punched plate；
    Soft sound-absorbing material is provided between the frame board of upper elbow deflector and upper elbow deflector.
  6. 6. pulverizer muffler according to claim 1, it is characterised in that：
    Lower elbow water conservancy diversion postlaminar part is provided with the frame board of lower elbow deflector；
    The frame board of lower elbow deflector is made up of round-hole punched plate；
    Soft sound-absorbing material is provided between the frame board of lower elbow deflector and lower elbow deflector.
  7. 7. pulverizer muffler according to claim 1, it is characterised in that：
    Muffler water conservancy diversion postlaminar part is provided with the frame board of muffler deflector；
    Muffler deflector is made up of round-hole punched plate；
    Soft sound-absorbing material is provided between the frame board and muffler deflector of muffler deflector.
CN201720486156.4U 2017-05-04 2017-05-04 Pulverizer muffler Active CN206741931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720486156.4U CN206741931U (en) 2017-05-04 2017-05-04 Pulverizer muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720486156.4U CN206741931U (en) 2017-05-04 2017-05-04 Pulverizer muffler

Publications (1)

Publication Number Publication Date
CN206741931U true CN206741931U (en) 2017-12-12

Family

ID=60563624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720486156.4U Active CN206741931U (en) 2017-05-04 2017-05-04 Pulverizer muffler

Country Status (1)

Country Link
CN (1) CN206741931U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 "change of name, title or address"
CP03 "change of name, title or address"

Address after: Da Xin Zhuang Zhen Huang Mi Lin Cun, Fengnan District, Tangshan City, Hebei Province

Patentee after: Tangshan Shuangyi Feed Machinery Co., Ltd

Address before: Hebei Province, Huang Mi Ao village 063304 Tangshan City Fengnan District Xinzhuang Town

Patentee before: TANGSHAN FENGNAN SHUANGYI FEED MACHINERY Co.,Ltd.