CN104047447A - Dry ice washing mold house - Google Patents
Dry ice washing mold house Download PDFInfo
- Publication number
- CN104047447A CN104047447A CN201310081178.9A CN201310081178A CN104047447A CN 104047447 A CN104047447 A CN 104047447A CN 201310081178 A CN201310081178 A CN 201310081178A CN 104047447 A CN104047447 A CN 104047447A
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- dry ice
- room
- ice cleaning
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Abstract
The invention discloses a dry ice washing mold house. The dry ice washing mold house comprises a sealed house body, a double-layer glass soundproof window, a double soundproof and sound-absorption door, an air supply system and an air discharging system, wherein bricks are built on the periphery and the top surface of a mold to be cleaned, and a sound-absorption material is attached to the inner side of the sealed house body; the double-layer glass soundproof window is arranged on the side surface of the sealed house body; the double soundproof and sound-absorption door is arranged on the side surface of the sealed house body, and a sound-absorption material is attached to the inner side of the double soundproof and sound-absorption door; the air supply system comprises an air supply port which is formed in one side of the sealed house body, an air supply fan and an air supply silencer which are mounted on the rear end of the air supply port, and an air supply pipe communicating the air supply silencer with the air supply fan; the air discharging system comprises an air discharging port which is formed in one side of the sealed house body, an air discharging fan and an air discharging silencer which are mounted on the rear end of the air discharging port, and an air discharging pipe communicating the air discharging silencer and the air discharging fan. The dry ice washing mold house is short in manufacturing and installation period, low in cost and good in soundproof noise-reduction effect.
Description
Technical field
The present invention relates to mould applications, particularly a kind of Dry ice cleaning mould room.
Background technology
At present, in the time carrying out mold cleaning, be all with taking dry ice cleaner to aim at the scab of mould, the position of viscosity resin sand, removing the sand on mould.
The operating principle of dry ice cleaner: the principle of dry ice blasting is with clean surface, interchange of heat to occur rapidly after dry ice particles is ejected into clean surface, there are two kinds of different materials of different heat expansion coefficient, different swell increment or destroy the combination that bi-material is shown between them.The dry ice particles that Dry ice cleaning is used distils and becomes gas rapidly within the extremely short time, and its volume expansion, so just causes at shock point " miniature blast ", removes nonmetal dirt from metal surface supernatant.
But when Dry ice cleaning mould, produce huge noise; And produce a large amount of carbon dioxide, it causes great pollution to environment, and it is healthy to endanger staff.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, and manufacture installation period is short, cost is low, and sound insulation and noise reduction is effective, avoids the Dry ice cleaning mould room of environment pollution.
For achieving the above object, according to the invention provides a kind of Dry ice cleaning mould room, comprising:
Sealing room body, it is brick at mould surrounding for clearance and end face, and sound absorption material is posted in inner side;
Double-layer glass sound proof window, it is opened in sealing room body side surface;
Every two sound sound absorption doors of opening, it is opened in sealing room body side surface, and sound absorption material is posted in inner side;
Air supply system, it comprises: be opened in the air outlet of sealing room body one side, the ventilator that is arranged on air outlet rear end and air-supply sound absorber, and be communicated with the ajutage of air-supply sound absorber and ventilator;
Exhaust system, it comprises: be opened in air outlet, the exhaust blower that is arranged on air outlet rear end and the air-discharge silencer of sealing room body one side, and be communicated with the exhaust duct of air-discharge silencer and exhaust blower.
In technique scheme, sound-proof sound-absorbing door adopts the manufacture of sound-absorbing timber.
In technique scheme, the cotton thickness that absorbs sound is 100mm.
In technique scheme, air-supply sound absorber is supported and is arranged on ventilator front end by air-supply muffler bracket.
In technique scheme, air-discharge silencer is arranged on exhaust blower front end by air-discharge silencer stent support.
In technique scheme, also comprise: the capnometer that is arranged on body inner side, sealing room.
In technique scheme, capnometer is arranged on overhead 1.25 meters of positions, body inner side, sealing room.
Compared with prior art, the present invention has following beneficial effect: this Dry ice cleaning mould room is by arranging sealing room body and forced ventilation system, sound insulation and noise reduction during to Dry ice cleaning mould, and the carbon dioxide of generation is drained in time, avoid environment pollution, it is manufactured, and installation period is short, cost is low, and sound insulation and noise reduction is effective.
Brief description of the drawings
Fig. 1 is the plan structure schematic diagram of air compressor of the present invention;
Fig. 2 is the main TV structure schematic diagram of air compressor of the present invention;
Description of reference numerals:
1-sealing room body, 11-sound proof window, 12-sound-proof sound-absorbing door, 13-sound absorption material, 14-porous aluminium sheet, 15-screw, 21-air outlet, 22-ventilator, the 23-sound absorber of blowing, 24-ajutage, the 25-muffler bracket of blowing, 31-air outlet, 32-exhaust blower, 33-air-discharge silencer, 34-exhaust duct, 35 air-discharge silencer supports-, 36-blast cap, 4-capnometer, 5-mould trolley.
Detailed description of the invention
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of detailed description of the invention.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " be all taking the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technical scheme of the present invention.
Dry ice cleaning mould of the present invention room is by arranging sealing room body and forced ventilation system, sound insulation and noise reduction during to Dry ice cleaning mould, and the carbon dioxide of generation is drained in time, environment pollution avoided, it is manufactured, and installation period is short, cost is low, and sound insulation and noise reduction is effective.
As depicted in figs. 1 and 2, the concrete structure in this Dry ice cleaning mould room comprises: sealing room body 1, and be arranged on sound proof window 11, sound-proof sound-absorbing door 12 and air supply system, the exhaust system on sealing room body 1.Wherein, sound proof window 11 and sound-proof sound-absorbing door 12 are opened on the sidewall of sealing room body 1, Dry ice cleaning mould room utilizes exhaust system to produce forced ventilation, and the carbon dioxide producing during by Dry ice cleaning mould is drained in time, and utilizes air supply system to supplement new wind in Dry ice cleaning mould room.
The sealing room body 1 brick place surrounding at cleaning mould,, mainly plays sound insulation effect by long 12 meters, wide 5 meters, high 4 meters.Sound proof window 11 is double-layer glass sound proof windows wide 1.5 meters, high 1.2 meters, is opened in sealing room body 1 downside (on the east), is convenient to observe the security situation of 1 li of sealing room body.
Sound-proof sound-absorbing door 12 is double door, be opened in sealing room body 1 right side central (north), high 2.5 meters, wide 2.8 meters, adopt the timber manufacture of sound absorption function, the sound absorption material 13 of thick 100mm is sticked in sound-proof sound-absorbing door 12 inner sides, and sound absorption material is to have stronger absorption acoustic energy, the material of reducing noise performance.Borrow porosity, membrane action or the resonant interaction of self and incident acoustic energy is there is to the material of absorption.Sound absorption material will mate with the acoustic characteristic impedance of sound bearing medium around, makes acoustic energy areflexia and enters sound absorption material, and the incident acoustic energy overwhelming majority is absorbed.Be mainly used in controlling and adjusting the indoor reverberation time, sound absorption material is eliminated echo, to improve indoor hearsay condition, betters people's living environment and condition of labor.Sound absorption material is divided into by sound absorbing mechanism: (1), by from surface to interior sound absorption material: many tiny unlimited ducts make the porous material of acoustic attenuation, to absorb medium-high frequency sound wave as main, there are the various organic or inorganic fiber and its products of fibrous aggregate structure and open-celled foam plastics and the expanded perlite product of loose structure.(2) flexible material, film material, board-like material and the perforated plate that, absorb sound by resonant interaction.Above Material cladding uses, and can expand sound absorption scope, improves sound absorption coefficient.Adherent or the furred ceiling with decoration acoustic absorption, porous material and perforated plate or film material combination are loaded on metope, even adopt cloud-drift-like sound to hang, and all can improve indoor tone quality, control noise.Porous material, except absorbing air borne sound, can also weaken solid-borne sound and the caused vibration of empty chamber gas sound.Porous material is inserted in the composite construction of various board-like material compositions, can be improved sound-insulation capability and alleviate construction weight.
It is cotton that sound absorption material 13 is preferably sound absorption, sound absorption cotton is block of glass wool, it is the board product with some strength that centrifugally glass-wool is made after overcuring is processed, no matter in high temperature or low temperature environment, all can keep good thermal and insulating performance, be mainly used in the interior wall compartment of senior building, the absorbing sound and lowering noise of furred ceiling.Glass wool can normally be worked under not higher than the environment temperature of 454 DEG C, exposes, hiddenly all can.There is waterproof, anticorrosion, not mildew-resistant, insect-free characteristic, because density is little, insulation effect is good, the advantage such as do not burn, corrosion-resistant, chemical stability is strong, sound absorbing capabilities is good, nontoxic, pollution-free, mothproof, cheap, sound absorption, sound insulation and industrial pipeline and the sound absorption material of building made in extensive use.It is the outer generally acknowledged high-efficiency insulated thermal insulation material of novel light of Present Domestic.The cotton that absorbs sound above clamps with porous aluminium sheet 14, rear upper hold-down screw 15, and the surrounding of sound-proof sound-absorbing door 12 is loaded onto weather strip, prevents the diffusion of noise source, the sound absorption material 13(that the surrounding of sealing room body 1 and inside top surface are also sticked thick 100mm is preferably sound absorption cotton).
Air supply system comprises: be opened in air outlet 21, ventilator 22 and the air-supply sound absorber 23 of sealing body 1 upper right side, room (northwest corner), and be communicated with the ajutage 24 of air-supply sound absorber 23 and ventilator 22.Ventilator 22 is arranged on air outlet 21 rear ends, is fixed on body of wall, with sealant sealing; Air-supply sound absorber 23 is arranged on ventilator 22 front ends, there is a stainless steel screen pack at its air intake place, screen pack installs filter cloth, dust in filtered air, so that what send sealing room body 1 to is clean clean air, air-supply sound absorber 23 use air-supply muffler brackets 25 support steadily, air-supply sound absorber 23 can avoid the noise of air supply system to external diffusion, contaminated environment, the effect of screen pack is to guarantee to send into fresh air between sealing, by the exhausting system of induced draft fan and noise damper composition, the discharge noise of exhausting system sealing, exhausting system all reaches national standard.
Exhaust system comprises: be opened in air outlet 31, exhaust blower 32 and the air-discharge silencer 33 of sealing room body 1 lower-left side (southeast corner), and be communicated with the exhaust duct 34 of air-discharge silencer 33 and exhaust blower 32.Exhaust blower 32 is arranged on air outlet 31 rear ends, is fixed on body of wall, with sealant sealing; Air-discharge silencer 33 is arranged on exhaust blower 32 front ends, and there is a stainless steel screen pack at its air intake place, and screen pack installs filter cloth, and the dust in filtered air is clean clean air to arrange into sealing room body 1; Its air outlet is provided with blast cap 36.Air-discharge silencer 33 use air-discharge silencer supports 35 support steadily, air-discharge silencer 33 can avoid the noise of exhaust system to external diffusion, contaminated environment, the effect of screen pack is to guarantee to enter with fresh air between sealing, by the exhausting system of induced draft fan and noise damper composition, the discharge noise of exhausting system sealing, exhausting system all reaches national standard.
When the principle of air-supply sound absorber 23 and air-discharge silencer 33 makes two row sound waves interfere in the time of stack exactly, cancel out each other and weaken the sound intensity, sound being reduced, thereby play the effect of noise reduction; It is divided into dissipative muffler, reactive muffler and impedance complex formula sound absorber, and wherein, dissipative muffler is mainly that to utilize porous absorption material to fall low noise.Sound absorption material be fixed on the inwall of gas channel or arrange in pipeline according to certain way, just having formed dissipative muffler.In the time that sound wave enters dissipative muffler, a part of acoustic energy rubs and changes into thermal energy consumption and dissipates in the hole of porous material, makes to weaken by the sound wave of sound absorber.Dissipative muffler just looks like the pure resistor element circuit in electricity, and sound absorption material is similar to resistance.Dissipative muffler is good to medium-high frequency soundproof effect.Reactive muffler is to be combined by the pipe of abrupt interface and chamber, like well an acoustic filter, similar to electrical filter, each is a mesh of wave filter with the cell of pipe, air quality in pipe is equivalent to inductance and the resistance in electricity, is called acoustic mass and acoustic resistance.Volume of air in cell is equivalent to the electric capacity in electricity, is called acoustic compliance.Similar with electrical filter, each has the intrinsic frequency of oneself with the cell of pipe.In the time including the sound wave of various frequency contents and enter first short tube, only near the sound wave of some frequency first mesh intrinsic frequency could arrive second short tube mouth by mesh, the sound wave of other frequency can not pass through mesh. can only in cell, carry out back reflective, therefore, we claim that this sound wave is had to the structure of filter function is acoustic filter.Choosing suitable pipe and chamber combines. and just can filter the noise of some frequency content, thereby reach the object of noise elimination.Reactive muffler is applicable in elimination, low-frequency noise.Resistive structure and resistance structure are combined according to certain mode, just formed impedance complex formula sound absorber.
This Dry ice cleaning mould room also comprises: be arranged on the capnometer 4 of sealing body 1 lower right side, room (north wall in the east), overhead 1.25 meters, make it easy to measure numerical value.The operating principle of capnometer is to utilize gauge head, and measurement environment Carbon Dioxide in Air content is set a numerical value, this numerical value, can accept people, and environment is in a safe condition, in the time exceeding this value, capnometer is reported to the police, gives a warning, and the personnel of interior works, quit work, run out of outdoorly, guarantee that people's safety, equipment and environment is in a safe condition, eliminate environment pollution.
Mould to be cleaned pushes sealing room body 1 by mould trolley 5 and cleans, when Dry ice cleaning mould room cleaning die, will produce carbon dioxide, mould room takes to force exhaust system that the carbon dioxide of generation is drained in time, and establishes air supply system and supplement new wind in mould room.Sealing room body 1 is monitored with capnometer, carbon dioxide will produce harm to people while reaching certain concentration, with the capnometer 4 of the autoalarm that in a set of reative cell, oxygen content is low, when Dry ice cleaning mould room cleaning die, start the ventilator 22 of air supply system, the exhaust blower 32 of exhaust system, and close sound insulation sound absorption door, connect capnometer 4, implementation work and sound insulation and noise reduction, guarantee noise qualified discharge (National Environmental noise emission standard value 85dB (A)).
Noise: 104.6dB (A) in Dry ice cleaning mould room before administering; 1m place noise: 91dB (A)-93dB (A) in front of the door.Point source of sound is analyzed: the pneumatic noise of sending while being mainly dry ice cleaner work.After administering: Dry ice cleaning mould door 1 meter of noise figure 83.5dB of mouth (A).
This Dry ice cleaning mould room seals room body and forced ventilation system by arranging, sound insulation and noise reduction during to Dry ice cleaning mould, and the carbon dioxide of generation is drained in time, avoid environment pollution, it is manufactured, and installation period is short, cost is low, and sound insulation and noise reduction is effective.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (7)
1. a Dry ice cleaning mould room, is characterized in that, comprising:
Sealing room body, it is brick at mould surrounding for clearance and end face, and sound absorption material is posted in inner side;
Double-layer glass sound proof window, it is opened in sealing room body side surface;
Every two sound sound absorption doors of opening, it is opened in sealing room body side surface, and sound absorption material is posted in inner side;
Air supply system, it comprises: be opened in the air outlet of sealing room body one side, the ventilator that is arranged on described air outlet rear end and air-supply sound absorber, and be communicated with the ajutage of described air-supply sound absorber and ventilator;
Exhaust system, it comprises: be opened in sealing room body one side air outlet, be arranged on exhaust blower and the air-discharge silencer of described air outlet rear end, and be communicated with the exhaust duct of described air-discharge silencer and exhaust blower.
2. Dry ice cleaning mould according to claim 1 room, is characterized in that: described sound-proof sound-absorbing door adopts the manufacture of sound-absorbing timber.
3. Dry ice cleaning mould according to claim 1 room, is characterized in that: the cotton thickness of described sound absorption is 100mm.
4. Dry ice cleaning mould according to claim 1 room, is characterized in that: described air-supply sound absorber is supported and is arranged on described ventilator front end by air-supply muffler bracket.
5. Dry ice cleaning mould according to claim 1 room, is characterized in that: described air-discharge silencer is arranged on described exhaust blower front end by air-discharge silencer stent support.
6. according to the Dry ice cleaning mould room described in any one in claim 1 to 5, it is characterized in that: also comprise: the capnometer that is arranged on body inner side, described sealing room.
7. Dry ice cleaning mould according to claim 6 room, is characterized in that: described capnometer is arranged on overhead 1.25 meters of positions, body inner side, described sealing room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081178.9A CN104047447B (en) | 2013-03-14 | 2013-03-14 | Dry ice cleaning mould room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081178.9A CN104047447B (en) | 2013-03-14 | 2013-03-14 | Dry ice cleaning mould room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104047447A true CN104047447A (en) | 2014-09-17 |
| CN104047447B CN104047447B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310081178.9A Active CN104047447B (en) | 2013-03-14 | 2013-03-14 | Dry ice cleaning mould room |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652633A (en) * | 2015-02-11 | 2015-05-27 | 瓮福达州化工有限责任公司 | Noise reduction device for Roots blower |
| CN109433486A (en) * | 2018-12-21 | 2019-03-08 | 重庆杰曼清洁技术有限公司 | A kind of paint industry hanger cleaning method |
| CN111535626A (en) * | 2020-05-22 | 2020-08-14 | 吴光明 | Method for reducing noise, lighting and ventilating mill room |
| CN115263034A (en) * | 2022-09-02 | 2022-11-01 | 深圳市金城保密技术有限公司 | Three-proofing confidential conference room |
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| JP2002355626A (en) * | 2001-05-31 | 2002-12-10 | Pcg Tekunika:Kk | Duct cleaning method and duct cleaning system |
| CN201258597Y (en) * | 2008-01-25 | 2009-06-17 | 杨勇华 | Barrack and device for controlling noise of engine and compressor |
| CN102022013A (en) * | 2010-11-05 | 2011-04-20 | 江苏省电力设计院 | Noise reduction structure of main noise resources of urban indoor substation |
| CN203223016U (en) * | 2013-03-14 | 2013-10-02 | 广西玉柴机器股份有限公司 | Dry ice washing mold house |
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2013
- 2013-03-14 CN CN201310081178.9A patent/CN104047447B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002355626A (en) * | 2001-05-31 | 2002-12-10 | Pcg Tekunika:Kk | Duct cleaning method and duct cleaning system |
| CN201258597Y (en) * | 2008-01-25 | 2009-06-17 | 杨勇华 | Barrack and device for controlling noise of engine and compressor |
| CN102022013A (en) * | 2010-11-05 | 2011-04-20 | 江苏省电力设计院 | Noise reduction structure of main noise resources of urban indoor substation |
| CN203223016U (en) * | 2013-03-14 | 2013-10-02 | 广西玉柴机器股份有限公司 | Dry ice washing mold house |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652633A (en) * | 2015-02-11 | 2015-05-27 | 瓮福达州化工有限责任公司 | Noise reduction device for Roots blower |
| CN104652633B (en) * | 2015-02-11 | 2017-05-10 | 瓮福达州化工有限责任公司 | Noise reduction device for Roots blower |
| CN109433486A (en) * | 2018-12-21 | 2019-03-08 | 重庆杰曼清洁技术有限公司 | A kind of paint industry hanger cleaning method |
| CN111535626A (en) * | 2020-05-22 | 2020-08-14 | 吴光明 | Method for reducing noise, lighting and ventilating mill room |
| CN111535626B (en) * | 2020-05-22 | 2022-01-04 | 安徽三星环保工程有限公司 | Method for reducing noise, lighting and ventilating mill room |
| CN115263034A (en) * | 2022-09-02 | 2022-11-01 | 深圳市金城保密技术有限公司 | Three-proofing confidential conference room |
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| CN104047447B (en) | 2016-06-08 |
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