CN1764497A - Suction filter, turbo compressor, and method of packaging the compressor - Google Patents

Suction filter, turbo compressor, and method of packaging the compressor Download PDF

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Publication number
CN1764497A
CN1764497A CN 200480008036 CN200480008036A CN1764497A CN 1764497 A CN1764497 A CN 1764497A CN 200480008036 CN200480008036 CN 200480008036 CN 200480008036 A CN200480008036 A CN 200480008036A CN 1764497 A CN1764497 A CN 1764497A
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CN
China
Prior art keywords
compressor
intercooler
filter core
suction
aftercooler
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CN 200480008036
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Chinese (zh)
Inventor
武富敏礼
长谷川和三
佐佐木善孝
小河良行
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IHI Corp
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IHI Corp
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Publication of CN1764497A publication Critical patent/CN1764497A/en
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  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The present invention provides a room with a sealed structure is provided in the central portion inside a casing. Filter elements are arranged on both sides of the room, and air flowed into the casing from a suction portion is led into the room through the filter elements. Each filter element is removably fitted in a filter element installation portion having an opening in its outer periphery. In replacing the filter elements, windows are opened and the elements are replaced one by one. A compression portion of a compressor and a compressed-air passage are molded and formed into a molded one-piece casing. A receiving portion for receiving a first intercooler, a second intercooler, and an after cooler is formed in the casing, and each cooler is received in the receiving portion in that order above. Detachable suction tubes connect between a first intercooler exit and the suction side of a second compressor, and between a second intercooler exit and the suction side of a third compressor. A blow-off silencer is provided between the molded one-piece casing and an oil tank.

Description

Filter by suction, turbo-compressor and assembly method thereof
Technical field
The present invention relates to be arranged on the filter by suction of suction side of the suction line of compressor.Again, the present invention relates to turbo-compressor, particularly will constitute the compression section of compressor main body and aerial cooler or muffler and concentrate in together and wish the turbo-compressor of densification and the assembly method of this turbo-compressor.
Background technology
The background technology of filter by suction at first, is described.
In the turbo-compressor, 2 grades of formula turbo-compressor proposed structure shown in the routine summary of Fig. 1.Promptly, on the suction inlet 2 of the 1st stage compressor 1, connect the suction line 4 that has inlet valve 3 on the way, distolateral filter by suction 5 that is equipped with in the suction side that constitutes this suction line 4, this filter by suction 5 has the filter core 6 of removing foreign matters such as dust, on the pipeline 10 of the suction inlet 9 of outlet 7 that links the 1st stage compressor 1 and the 2nd stage compressor 8, be provided with and be used to cool off the compressed air that enters the 2nd stage compressor 8 and the intercooler 11 that makes volume contraction.Following scheme was also proposed, on the discharge pipe 13 on the outlet 12 that is connected in the 2nd stage compressor 8, be provided with aftercooler 14, the downstream of this aftercooler 14 branches into compressed air supply pipeline 15 and air draft pipeline 16, utilization is installed in than this bifurcation pressure switch 17 on the discharge pipe 13 in downstream more, each of the exhaust valve 18 that is provided with on above-mentioned inlet valve 3 and the air draft pipeline 16 is opened and closed control (opening flat 8-121398 communique with reference to the spy).
Open shown in the flat 8-121398 communique as above-mentioned spy, be used for the filter by suction 5 on the turbo-compressor in the past, as shown in Figure 2, comprise: housing 19 with suction portion 20, be arranged on the discharge portion 21 of the central portion and the connection suction line 4 of this housing 19, be communicated with these discharge portion 21 ground have peristome in periphery bigbore filter core installation portion 22, be entrenched in the large-scale tubular element 6 of ground, the outside installation of this filter core installation portion 22, make from suction portion 20 inhaled airs of a part of opening of housing 19 to suck and guiding discharge portion 21, remove foreign matters such as airborne dust therebetween by filter core 6.
But above-mentioned filter by suction 5 in the past, because relative 1 discharge portion 21, filter core 6 nearly all is 1 like that as shown, in the time of must changing so in the running of compressor, take place to stop up filter core 6 grades, the running that can stop compressor getting final product, but has to carry out in the running of compressor the replacing of 1 filter core 6 sometimes.At this moment,, then must continue to suck air if when changing 1 filter core 6, take off filter core 6, and the peristome of the filter core installation portion 22 after can not blocking this and take off with lid, so cause sucking a large amount of air by the peristome of filter core installation portion 22.Therefore, the foreign matters such as dust that should utilize filter core 6 to remove are not removed in filter core is changed, and may suck many foreign matters.Because filter core 6 is large-scale and difficult treatment,, changes operation and waste time and energy thereby make so must use crane etc. when changing operation again.
Therefore even when the object of the invention is in the running of compressor more renew cartridge, also can reduces or eliminates the possibility that sucks a large amount of foreign matters, and can change operation simply at short notice.
Below, the background technology of turbo-compressor and assembly method thereof is described.
Wait the turbo-compressor of using as being used to make compressed air and offering needs such as plant equipment end, the compressed-air actuated pressure of corresponding requirement, known have 2 grades of formula turbo-compressor, 3 grades of formula turbo-compressor.
2 grades of formula turbo-compressor are designed to following structure.Promptly, have the 1st stage compressor and the 2nd stage compressor, and compressor makes the rotating shaft rotation by being used to make the mechanism from the power speedup of motor, and utilize this rotating shaft to make the impeller rotation of compression section, utilize the 1st stage compressor compression by after the filter by suction inhaled air, make compressed air discharge and import intercooler as aerial cooler from the outlet of the 1st stage compressor.And make compressed air enter the 2nd stage compressor and be compressed from the outlet of this intercooler, will import the aftercooler as aerial cooler at the air after the compression of the 2nd stage compressor, offering from the aftercooler outlet afterwards needs end.On the other hand, when the supply that stops to the needs end, by the air draft of air draft pipe arrangement, be provided with the air draft muffler in the downstream of this air draft pipe arrangement from above-mentioned aftercooler.
Again, 3 grades of formula turbo-compressor are made as following structures.Promptly, intercooler is made as the 1st intercooler and the 2nd intercooler and is provided with 2, and be provided with the 3rd level compressor, by the filter by suction inhaled air after the 1st stage compressor compression, make compressed air discharge and import the 1st intercooler from the outlet of the 1st stage compressor, the compressed air of discharging from the outlet of the 1st intercooler enters the compression of the 2nd stage compressor.Again, make after the air of the 2nd stage compressor compression imports the 2nd intercooler, enter the 3rd level compressor from the 2nd intercooler and further compressed, make air import aftercooler, and supply with compressed air to the needs end from the outlet of aftercooler in this 3rd level compressor compresses.On the other hand, when the compressed-air actuated supply that stops to the needs end, make compressed air from aftercooler by the air draft of air draft pipe arrangement, produce noise when preventing air draft, the air draft muffler noise reduction of the end of downstream side by being installed in the air draft pipe arrangement.
On such 2 grades of formulas or 3 grades of formula turbo-compressor, be arranged on the air draft muffler of the end of downstream side of air draft pipe arrangement, not carry in the past on compressor and be made as divergence type (being provided with in addition), both utilize the air draft pipe arrangement to connect.At this moment, the length of the muffler self that extends in order to increase the sound-absorbing amount.As the silencer that is equipped on the compressor, be designed to carry simple silencer again.
Therefore, in 2 grades of formula turbo-compressor, the scheme that had proposed before this is the air draft muffler not to be equipped on the compressor and to be made as the form (reference example such as spy open the 2001-289168 communique) of divergence type.
Again, under the situation of 2 grades of formula turbo-compressor, following form was disclosed, promptly, each compression section of integral production the 1st stage compressor and the 2nd stage compressor on the body of casting, be used to pack into transmission of drive force so that this compression section carries out the incorporating section of the Poewr transmission mechanism of compression work, take in the cooler cover of 2 aerial coolers, connect compressed air channel of the 1st grade and the 2nd stage compressor and each aerial cooler etc., in above-mentioned cooler cover, thereby by taking in built-in 2 aerial coolers (reference example such as spy open flat 8-93685 communique and the spy opens flat 10-252681 communique) isolator.
On the other hand, during 3 grades of formula turbo-compressor, shown in Fig. 3 is concise and to the point, be provided with the 1st stage compressor 31, the 2nd stage compressor 32,3rd level compressor 33, and utilize compressed air channel 37 to connect the outlet of the 1st stage compressor 31 and the 1st intercooler 34 and be made as Construction integration, and utilize compressed air channel 38 to connect the suction inlet of the outlet of the 1st intercooler 34 and the 2nd stage compressor 32 and be made as Construction integration, utilize compressed air channel 39 to connect the 2nd stage compressors 32 with the 2nd intercooler 35 and be made as Construction integration, and then utilize the suction inlet of the outlet of compressed air channel 40 connections the 2nd intercooler 35 and 3rd level compressor 33 and be made as Construction integration.On above-mentioned 3rd level compressor 33, connect aftercooler 36 by compressed air channel 41.In such structure, the same compression section during with above-mentioned 2 grades of formula turbo-compressor, the transmission of drive force that is used to pack into by each stage compressor 31,32,33 of integral production on the body of casting utilize each compression section carry out the Poewr transmission mechanism of compression work the incorporating section, take in the incorporating section of 2 intercoolers 34,35, connect the compressed air channel 37,38,39,40 of the 1st stage compressor the 31, the 1st intercooler the 34, the 2nd stage compressor the 32, the 2nd intercooler 35 successively, thereby make the block cast housing.And only built-in 2 intercoolers 34,35 in this block cast housing, aftercooler 36 are made as divergence type (being provided with in addition), thereby prolong compressed air channel 41 to connect the outlet and the aftercooler 36 of 3rd level compressor 33.
But, open as the spy and the air draft muffler not to be equipped on like that shown in the 2001-289168 communique on the compressor and when being made as divergence type, to have the construction trouble of air draft pipe arrangement, and must guarantee to be used for the problem in the space that muffler is provided with.On the other hand, when carrying on compressor, though no problem when having sufficient muffler installing space, in the time of can not guaranteeing the place in compressor save spaceization etc., because muffler self is small-sized and simple, so there is the halfway problem of noise reduction.
Again, during 2 grades of formula turbo-compressor, open flat 8-93685 communique and the spy opens shown in the flat 10-252681 communique as the spy, if make the block cast housing, integral productions such as the compression section of compressor or compressed-air actuated channel part then, so then be fixed as 2 grades of compliant compression compressors during 2 grades of formula turbo-compressor, similarly, then be fixed as 3 grades of compliant compression compressors during 3 grades of formula turbo-compressor, for example 3 grades of formula compressors can not be used as 1 grade of compliant compression or 2 grades of compliant compression compressors, can not corresponding special requirement.
And, make if utilize above-mentioned block cast housing, then as special open flat 8-93685 communique and special open also introduce on the flat 10-252681 communique, 2 aerial coolers of 2 grades of formula compressors are built in the block cast housing, but can not be that 3 aerial coolers are built in the block cast housing in 3 grades of formula turbo-compressor, in fact generally be built-in 2 intercoolers in the block cast housing, aftercooler is made as divergence type or aftercooler is arranged on central authorities.
Therefore, exist number of spare parts to increase, and owing to become divergence type and so area increase etc. is set causes the problem that maximizes, and, must prolong the air pipe arrangement of connection 3rd level compressor and aftercooler etc., thereby such prolongation also increases the pressure loss causes performance to descend, in addition, open flat 8-93685 communique and the spy opens on the flat 10-252681 communique above-mentioned spy,, do not introduce fully 3 coolers are built in situation in the housing for 3 grades of formula turbo-compressor.
Therefore, the object of the present invention is to provide a kind of turbo-compressor, be expected being provided with of air draft muffler save the space and erasure effect big, and make 3 grades of formula turbo-compressor compactnesses, and then can easily make the corresponding 1 grade of compliant compression of 3 grades of formula compressors, 2 grades of compliant compressions.
Summary of the invention
Filter by suction of the present invention in order to solve above-mentioned problem, is designed to individually be provided with filter core on the air duct from suction portion to discharge portion, be directed to the structure of above-mentioned discharge portion by this each filter core inhaled air.And be designed to about the inside of housing, individually be provided with filter core respectively, be directed to the structure of above-mentioned discharge portion by each the filter core inhaled air about this with suction portion and discharge portion.Thereby when renew cartridge more, also can utilize other filter core to suck air even change 1 filter core.Again, owing to 1 filter core installation portion amount of air drawn that can reduce in the replacing, so can reduce the probability that foreign matter sucks.At this moment, even block the peristome of the filter core installation portion that has taken off filter core, whole resistance is also little and little to the running influence of compressor, and if block this peristome, the peristome aspirated foreign body of filter core installation portion that can be by not taken off this filter core then.
Again, be designed to be provided with the chamber of seal construction, individually have filter core, make the inside and outside connection of the chamber of above-mentioned seal construction, and be communicated with the inside of this chamber and the structure of discharge portion by this each filter core in the both sides of this chamber at the inboard central portion of housing.Can be with many of the filter core designs of the both sides of chamber, thus 11 filter core can be reduced, so can further reduce the peristome area of filter core installation portion, the probability that the foreign matter in the time of can further reducing filter core and change sucks thereupon.
And be designed to the size window corresponding with filter core is set on the sidepiece of the housing in the outside that is positioned at filter core, and the structure that can utilize lid to be opened/closed that this window is sealed.Thereby can carry out the replacing of 11 filter core easily by window.
On the other hand, turbo-compressor of the present invention and assembly method thereof, in order to solve above-mentioned problem, be designed in block cast housing with the 1st stage compressor, the 2nd stage compressor, 3rd level compressor built-in all with the corresponding aerial cooler of above-mentioned each stage compressor, and utilize compressed air channel to connect the structure of above-mentioned each stage compressor and aerial cooler, and be designed to aerial cooler is made as the 1st intercooler, the 2nd intercooler and aftercooler and be built in structure in the block cast housing.
Utilize this structure, aerial cooler is accommodated in the thick body of casting, and the aftercooler of 3 grades of formula compressors also is built in the body of casting, and the mechanism of transmitting rotary power also is arranged in the body of casting, so can reduce compressed-air actuated sound or the gear meshing sound etc. of penetrating.Owing to can shorten the compressed-air actuated passage that connects each cooler and each compressor, be expected to improve performance so can reduce the compressed-air actuated pressure loss again.And be expected to reduce number of spare parts and save spaceization.
Again, be designed to be communicated with the compressed air channel of the 1st intercooler outlet with the 2nd stage compressor inlet, and the compressed air channel that is communicated with outlet of the 2nd intercooler and 3rd level suction port of compressor be made as pipe arrangement respectively, and locate removable structure at each cooler outlet and each suction port of compressor.Thereby can be easily with 1 compressor as 3 grades of compliant compression compressors, 2 grades of compliant compression compressors, 1 grade of compliant compression compressor, so the needs end require can make it corresponding easily in the pressure limit.
In 3 grades of formula compressors, according to the arranged in order of the 1st intercooler, the 2nd intercooler, aftercooler, be built in it in block cast housing and utilize dividing wall to separate, the outside of aftercooler side is made circular shape.If like this, then,, again, can relax stress in the aftercooler side so can reduce the stress of isolation part because the pressure differential between each aerial cooler reduces.
And be designed to sidepiece configuration fuel tank, the air draft muffler is set between this fuel tank and block cast housing with sandwiching, utilize the air draft pipe arrangement to connect the structure of this air draft muffler and aftercooler at the block cast housing.Thereby what make the air draft muffler is provided with the position between the fuel tank of filling lubricating oil and the body of casting, thus can reduce the sound that penetrates from the basket surface of muffler, and be expected effective utilization in space and save spaceization.
Again, be designed to following assembly method, promptly, be manufactured on integral production 3 stage compressor compression section and compressed air channels on the body of casting, and divide the block cast housing that is formed with the incorporating section of taking in the aerial cooler corresponding with compressor at different levels, after then intercooler and aftercooler being accommodated in each aerial cooler incorporating section of this block cast housing, utilize compressed air channel to connect each stage compressor.Again, be designed to following assembly method, promptly, make and divide the block cast housing that has formed 3 aerial cooler incorporating sections, arranged in order according to the 1st intercooler, the 2nd intercooler, aftercooler, be built in the block cast housing thereby it is accommodated in 3 incorporating sections that are formed on this block cast housing, and utilize compressed air channel to connect each cooler and each stage compressor.Owing to make like this block cast housing, and take in 2 intercoolers in the cooler incorporating section that on this block cast housing, forms and 1 aftercooler gets final product, so can assemble the turbo-compressor of 3 coolers easily built-in.
Description of drawings
Fig. 1 is a synoptic diagram of representing turbo-compressor in the past.
Fig. 2 is a profile of representing the summary of filter by suction in the past.
Fig. 3 is a synoptic diagram of representing the structure of 3 grades of formula compressors in the past.
Fig. 4 is partly cut-away's stereogram of the embodiment of expression filter by suction of the present invention.
Fig. 5 is the vertical view of cutting open shown in the V direction of Fig. 4.
Fig. 6 is the vertical view of the embodiment of expression turbo-compressor of the present invention.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is the side view shown in the VIII direction of Fig. 7.
Fig. 9 is the side view shown in the IX direction of Fig. 8.
Figure 10 is the stereogram of the block cast housing in the turbo-compressor of the present invention.
Figure 11 is the vertical view of cutting open of the aerial cooler incorporating section that forms on the expression block cast housing.
Figure 12 is the synoptic diagram of the basic structure of expression turbo-compressor of the present invention.
Figure 13 is the synoptic diagram that expression is made as turbo-compressor of the present invention the example of 2 grades of compliant compressions.
Figure 14 is the synoptic diagram of other examples of expression when turbo-compressor of the present invention is made as 2 grades of compliant compressions.
Figure 15 is a synoptic diagram of representing also turbo-compressor of the present invention to be used for the state of other adjustment.
Figure 16 is that expression is with the synoptic diagram of turbo-compressor of the present invention as the state of 1 grade of compliant compression compressor.
The specific embodiment
Below, the embodiment of filter by suction of the present invention is described with reference to accompanying drawing.
Fig. 4 and Fig. 5 are the figure of the embodiment of expression filter by suction of the present invention, central portion in housing 19 with suction portion 20 and discharge portion 21, setting have specific thickness and height closed construction chamber 23 and in a side of the fore-and-aft direction of this chamber 23 opening 24 that is communicated with discharge portion 21 is set, and the two sides about the thickness direction that becomes this chamber 23 are provided with each 4 opening 25.Lateral surface 25 ones of this each openings, direction is installed highlightedly with level and is made as cylindric and at the filter core installation portion 26 of the minor diameter that circumferentially has peristome to the left and right, peripheral part at this each filter core installation portion 26, removably chimeric respectively installation is made as the filter core 27 of minor diameter cylindraceous, sucked by filter core 27 from the above-mentioned suction portion 20 leaked-in airs back of dividing right and left in the outside of chamber 23, and by entering in the chamber 23 from each opening 25 in the filter core installation portion 26, pass through openings 24 to discharge portion 21, from delivering to suction line 4 (with reference to Fig. 1) here from this chamber 23.
And, at the left and right sides of above-mentioned housing 19 wall the window 28 bigger than the setting area of 4 filter cores 27 is set, on this window 28, the lid 29 of closed can be installed with opening and closing.
The 30th, the hanging piece when handling filter by suction of the present invention.
As shown in Figure 1, in the running of compressor, thereby making from suction portion 20 leaked-in airs of filter by suction 5 of the present invention adds up to 8 filter core 27 to remove foreign matters such as dust respectively about process, import the inside of chamber 23 afterwards, afterwards, make the air that purified flow to compressor side through discharge portion 21 from opening 24.Thereby import the air of not sneaking into foreign matter to the 1st stage compressor 1.At this moment, 8 filter cores 27 are a configuration set in the left and right sides with 4, thus about one-sidedly utilize 4 filter cores 27 to suck 20 leaked-in airs simultaneously from suction portion, so with compare the suction resistance that can reduce air when 8 filter cores 27 of 1 place's centralized configuration.
When in the running of compressor, needing more renew cartridge 27, do not change all filter cores 27 simultaneously, need the filter core of changing 27 and be replaced with new filter core 27 but take off respectively 1 root.At this moment, the filter core 27 that needs are changed takes off from filter core installation portion 26.At this moment, open the lid 29 of the filter core 27 place sides that need replacing, outside window 28, take off target filter core 27, so can take off easily from filter core installation portion 26.New filter core 27 or the filter core of fixing 27 are installed on the filter core installation portion 26 that has taken off this filter core 27 then, are carried out the replacing of 1 filter core 27 thus.
In the above description, on the filter core installation portion 26 after having taken off filter core 27, the lid of the peristome that covers this filter core installation portion 26 can be installed, again, also mounting cover and keeping intact not.
On the filter core installation portion 26 that has taken off filter core 27 places, do not establish when covering, take off the filter core 27 that needs replacing, after window 28 taking-ups of housing 19, cover the above-mentioned window 28 of 29 sealings up to entering the installation exercise utilization before that new filter core 27 is installed on this filter core installation portion 26.Do not have the filter core of filter core 27 installation portion 26 thereby a part that makes inhaled air is inhaled into, but because the peristome area of 1 filter core installation portion 26 is little, so can reduce air flowing amount here, the probability that foreign matter is sucked descends.Also can in the part of each opening 25 dust removing matter be installed as required again.
On the other hand, prevent the suction of air if utilize lid to cover the peristome of the filter core installation portion 26 that has taken off filter core 27, then do not have air and suck, so can prevent the suction of foreign matter at this filter core installation portion 26.At this moment, be inhaled into the air of housing 19, suck by other 7 filter cores 27, so can not hinder the suction of air.
Again, in filter by suction 5 of the present invention, be designed to filter core 27 is divided into 8 of minor diameter and be equipped on the structure of many places, so Miniaturizable and alleviate the weight of each filter core 27 and handle easily, can not use large-scale machines such as crane, utilize handwork to change operation easily.
In addition, filter by suction of the present invention is not limited to the foregoing description, can do various changes certainly in the scope that does not exceed purport of the present invention, though for example showed have about 4 filter cores 27 that add up to 8, be not limited to 8, can be made as any radical; Though be depicted as the equal diameters of each filter core 27, also filter core of different-diameter capable of being combined etc.
As described above, according to filter by suction of the present invention, then has following good effect.
(1) owing to is designed on air duct, individually have filter core from suction portion to discharge portion, be directed to the structure of above-mentioned discharge portion by this each filter core inhaled air, and be designed to about the inside of housing, individually have filter core with suction portion and discharge portion, each filter core inhaled air about this is directed to the structure of above-mentioned discharge portion, so in the air suction process more during renew cartridge, also can utilize other remaining filter cores to suck air even change the filter core of a part, can reduce by 1 filter core installation portion amount of air drawn in changing, so can reduce the probability that foreign matter sucks thereupon.
(2) in above-mentioned (1),, then can prevent to have taken off the peristome aspirated foreign body of the filter core installation portion of filter core by this if be designed to utilize lid to block the peristome of the filter core installation portion that has taken off filter core.
(3) by being designed to be provided with the chamber of seal construction at the inboard central portion of housing, and individually have filter core in the both sides of this chamber, make the inside and outside connection of the chamber of above-mentioned seal construction by this each filter core, and the inside and the discharge portion that are communicated with this chamber, thereby can the many filter cores that are arranged side by side the chamber both sides, small-sized and the processing when being convenient for changing of the filter core that can make 11, again, can further reduce the peristome area of corresponding filter core installation portion, thus can further reduce filter core and change the time from the probability of this filter core installation portion aspirated foreign body.
(4) and by being designed to that the size window corresponding with filter core is set on the sidepiece of the housing in the outside that is positioned at filter core, and the structure that can utilize cap seal to be opened/closed to close this window, thus can be easily by window with 11 ground replacing of filter core.
Below, with reference to accompanying drawing turbo-compressor of the present invention and assembly method thereof are described.
Fig. 6 to Figure 12 is the embodiment that shows turbo-compressor of the present invention and assembly method thereof, and integral production makes block cast housing I with the lower part on 1 body of casting: the scroll 31a as compression section that constitutes the 1st stage compressor 31 of 3 grades of formula compressors, the scroll 32a as compression section of the 2nd stage compressor 32, the scroll 33a as compression section of 3rd level compressor 33, the incorporating section 34a of the 1st intercooler 34, the incorporating section 35a of the 2nd intercooler 35, the incorporating section 36a of aftercooler 36, import compressed-air actuated compressed air channel 37 with scroll 31a to the 1st intercooler incorporating section 34a side from above-mentioned the 1st stage compressor, import compressed-air actuated compressed air channel 39 with scroll 32a to the 2nd intercooler incorporating section 35a side from above-mentioned the 2nd stage compressor, Poewr transmission mechanism incorporating section 42, and aftercooler outlet 43 and wind exhausting outlet 44.In incorporating section 34a, the 35a of the above-mentioned aerial cooler of this block cast housing I and 36a, take in the 1st intercooler the 34, the 2nd intercooler 35 and aftercooler 36, thereby 3 aerial coolers 34,35,36 are built in 1 body of casting.Between the fuel tank 45 of a sidepiece that is arranged on above-mentioned block cast housing I and this housing I, air draft muffler 46 is set with sandwiching.And utilize 2 grades of suction lines 47 of installing removably to connect the outlet of the 1st intercooler 34 and the suction inlet of the 2nd stage compressor 32, and, utilize 3 grades of suction lines 48 of installing removably to connect the outlet of the 2nd intercooler 35 and the suction inlet of 3rd level compressor 33.
As detailed below, in the body of casting,, shown in the profile of Figure 11, be provided with abreast along incorporating section 34a, 35a, the 36a of 3 aerial coolers of transversely arranged formation.Constitute in each incorporating section 34a, 35a, 36a, order from a distolateral pressing force decline, configuration with the 1st intercooler the 34, the 2nd intercooler 35, aftercooler 36 is laterally taken in it side by side, be built in abreast in the block cast housing I, and the dividing wall 49 and 50 that utilizes specific thickness respectively divides between the 1st intercoolers 34 and the 2nd intercooler 35 and between the 2nd intercooler 35 and the aftercooler 36, and aftercooler makes circular shape with mitigation stress with incorporating section 36a with lateral wall 51.
Central portion at above-mentioned block cast housing I forms Poewr transmission mechanism incorporating section 42, be configured to the lower part in this incorporating section 42: utilize driving shaft 52 rotations be attached on the not shown drive unit gear wheel in large diameter 53, be engaged on small diameter gear 54,55 that the speedup on this gear wheel in large diameter 53 uses, be installed in the rotating shaft 56 on this small diameter gear 54 integratedly, the bearing of above-mentioned two rotating shafts 56 and 57 is supported in rotating shaft 57, the rotation that is installed on above-mentioned another small diameter gear 55 integratedly freely, thereby but speedup ground transferring power.And, end at above-mentioned rotating shaft 56 is equipped with the impeller 58 that is configured in the 1st stage compressor usefulness scroll 31a respectively, at the other end impeller 59 that is configured in the 2nd stage compressor usefulness scroll 32a is installed, utilizes the 1st stage compressor 31 and the 2nd stage compressor 32 to carry out compression work thereby impeller 58 and 59 is rotated at a high speed by rotating shaft 56.Again, be equipped with at an end of rotating shaft 57 and be configured in the 3rd level compressor with the impeller 60 in the scroll 33a, thus by rotating shaft 57 make impeller 60 at a high speed rotation utilize 3rd level compressor 33 to carry out compression work.And have first lid 61 that covers above-mentioned gear wheel in large diameter 53, small diameter gear 54,55, rotating shaft 56,57 in the dismantled and assembled mode that is inlaid in the top peristome of Poewr transmission mechanism incorporating section 42 freely, by take off this first the lid 61, can easily carry out the dismounting and the maintenance of each parts of Poewr transmission mechanism.
Utilizing packing into and impeller 58 of above-mentioned Poewr transmission mechanism, 59, the 1st grade of constituting of 60 rotation, the 2nd grade, each compressor 31 of 3rd level, 32, in the compressor of 33 3 grades of formulas being formed, the entrance side of the outlet side of the 1st stage compressor 31 and the 1st intercooler 34, the entrance side of the outlet side of the 2nd stage compressor 32 and the 2nd intercooler 35, and the entrance side of the outlet side of 3rd level compressor 33 and aftercooler 36, utilization is as block cast housing I and the compressed air channel 37 of integral production, 39 and 41 and be interconnected, and then replace being fixed on compressed air channel 38 on the block cast housing of mode in the past shown in Figure 3,40, in the present invention, at the outlet side of the 1st intercooler 34 and the entrance side of the 2nd stage compressor 32, dismounting is installed 2 grades of suction lines 47 that constitute with block cast housing I split freely and both is communicated with, and at the outlet of the 2nd intercooler 35 and the entrance side of 3rd level compressor 33, same dismounting is installed 3 grades of suction lines 48 that constitute with block cast housing I split freely and both is communicated with, and dismantled and assembled above-mentioned 2 grades of suction lines 47 and 3 grades of suction lines 48, thereby 3 grades of formula turbo-compressor suitably can be switched to 2 grades of compliant compressions, 1 grade of compliant compression uses.
And, sidepiece in driving shaft 52 sides that constitute block cast housing I is provided with fuel tank 45, on this fuel tank 45, the drive unit that lift-launch is not shown with the figure that drives each stage compressor 31,32,33 to aforementioned driving shaft 52 outputting powers, and between this fuel tank 45 and block cast housing I, air draft muffler 46 is set with sandwiching, air draft muffler 46 is located at position near aftercooler 36, utilizes air draft pipe arrangement 62 to connect this air draft muffler 46 and wind exhausting outlet 44.
Said exhaust muffler 46, a plurality of diffuser 65a, 65b are installed on the basket 63 that forms silence space 64, and compressed air dispenser 66 is set at the entrance side of this each diffuser 65b, make the compressed air of sending here from air draft pipe arrangement 62 temporarily pass through diffuser 65a deceleration, noise reduction, and then by after the compressed air dispenser 66, utilize that diffuser 65b slows down, flow to silence space 64 after the noise reduction and expand, thereby by circuitous noise reduction silence space 64 in, and from exhaust outlet 67 discharges.
Turn round 3 grades of formula compressors as described above and when the needs end provides compressed air, make the power of automatic drive device to make impeller 58,59,60 rotations by the sequence delivery of gear wheel in large diameter 53, small diameter gear 54,55, rotating shaft 56,57 by driving shaft 52.Such the 1st stage compressor the 31, the 2nd stage compressor 32,33 entrys into service of 3rd level compressor, the air of having removed foreign matter such as dust through the filter by suction that do not show of figure is inhaled into the 1st stage compressor 31 and is compressed from inlet.The compressed air channel 37 of the compressed air of discharging from the 1st stage compressor 31 by integral production on block cast housing I enters the 1st intercooler 34 and is cooled.Then, compressed air is sent into the 2nd stage compressor 32 by 2 grades of suction lines 47 from suction inlet and is compressed.The compressed air channel 39 of the compressed air of discharging from the outlet of the 2nd stage compressor 32 by integral production on above-mentioned shell I imports the 2nd intercooler 35 and is cooled.
The compressed air that comes out from the 2nd intercooler 35, entering 3rd level compressor 33 by 3 grades of suction lines 48 from suction inlet is further compressed, after importing aftercoolers 36 from the outlet of this 3rd level compressor 33 through compressed air channel 41, take out and provide compressed air to the needs end from the outlet 43 of this aftercooler 36 at integral production on the above-mentioned shell I.
In the above description, in turbo-compressor of the present invention, be designed to add up to 3 aerial coolers to be built in structure in the block cast housing I 34,35 and 1 aftercoolers of 2 intercoolers 36, so separating the configuration aftercooler during with before 3 grades of formula compressors compares, needn't increase area is set, be expected save spaceization and can reduce number of spare parts, can together make integral miniaturization with the compressor major part that on block cast housing I, constitutes.Again, because arranged in order by the 1st intercooler the 34, the 2nd intercooler 35, aftercooler 36, so can shorten compressed air channel 37,39,41, suction line 47,48 between each stage compressor 31,32,33, can reduce the compressed-air actuated pressure loss and be expected high performance, and be expected low noiseization.Again, because the 1st intercooler the 34, the 2nd intercooler 35, aftercooler 36 also are built in the block cast housing I to row arrangement, so for dividing wall 49 between the 1st intercooler 34 and the 2nd intercooler 35 and the dividing wall 50 between the 2nd intercooler 35 and the aftercooler 36, pressure differential between arbitrary cooler is little and can reduce wall thickness, again, in the outside of aftercooler 36 sides, thereby, lateral wall 51 can relax stress by being made circular shape.
Stopping to supply with compressed air during air draft, be from air draft pipe arrangement 62 guiding air draft mufflers 46 and make its air draft to the needs end again., import the compressed air of air draft mufflers 46 therebetween, slow down, discharge and make its expansion to silence space 64 after the noise reduction by diffuser 65a, 65b from air draft pipe arrangement 62, silence space 64 in circuitous during further noise reduction and being discharged from.In the present invention, owing to said exhaust muffler 46 is set, can further improve erasure effect so can reduce from basket 63 the penetrating sound of surface of air draft muffler 46 with the form that is inserted between block cast housing I and the fuel tank 45.And, owing to be assembled in block cast housing I side, the space is set so can effectively utilize, compare when being made as divergence type and be expected save spaceization, and can be beneficial to whole miniaturization.
Then, the compressed-air actuated pressure that the needs end requires makes it corresponding in this pressure limit not simultaneously.
At this moment, in turbo-compressor of the present invention, integral production does not make suction inlet, and the compressed air channel that is communicated with the suction inlet of 3rd level compressor 33 of the outlet of the 2nd intercooler 35 of the outlet of the 1st intercooler 34 and the 2nd stage compressor 32 respectively on block cast housing I, and design the such pipe arrangement of 2 grades of suction lines 47 and 3 grades of suction lines 48, and any one is all dismantled and assembled.Therefore, 3 grades of compliant compressions be can replace as described above and 2 grades of compliant compressions, 1 grade of compliant compression simply switched to.
When for example the required pressure scope is 2 grades of compliant compressions, take off Fig. 6 is made as the 1st stage compressor 31 and the 2nd stage compressor 32 to 3 grades of suction lines 48 shown in Figure 82 grades of compliant compressions, shown in Figure 13 is concise and to the point, the 2nd intercooler 35 is used as aftercooler, and the outlet of the 2nd intercooler 35 is used as aftercooler outlet 43, generally with outlet 43 shutoff of the aftercooler 36 of Fig. 6~shown in Figure 9.
If like this, but compressed air channel 37 and 39 and 2 grades of suction lines 47 of integral production flow through compressed air on block cast housing I because former state is used, thereby can make the shortest air duct, so can make the pressure loss very little.During air draft, will be from the pipe arrangement branch of the 2nd intercooler 35 outlet, and on the wind exhausting outlet 44 of shell I, establish lid, make it carry out air draft by air draft pipe arrangement 62.
During 2 grades of compliant compressions, except that above-mentioned situation, but do not use the 2nd stage compressor 32 yet and use 2 grades of compliant compressions of the 1st stage compressor 31 and 3rd level compressor 33.At this moment, as than above-mentioned 2 grades of suction lines 47 or 3 grades of suction line 48 longer pipe arrangements and prepare new suction line 68 (with reference to Figure 14), 2 grades of suction lines 47 and 3 grades of suction lines 48 that this suction line 68 replaces among Fig. 6, and utilize this suction line of preparing in addition 68 directly to connect the outlet of the 1st intercooler 34 and the suction inlets of 3rd level compressor 33 communicatively, thereby can be as correspondence like that shown in Figure 14 is concise and to the point.
Again, as shown in figure 15,2 grades of compliant compressions that also can be corresponding constitute by the 1st stage compressor 31 and the 2nd stage compressor 32, only be made as the specification of 2 systems such as stepup transformer that constitute by 3rd level compressor 33, and if 1 grade of compliant compression, then take off 2 grades of suction lines 47 shown in Figure 6 from the outlet of the 1st intercooler 34, connecting the compressed air pipe arrangement that provides to the needs end in the outlet of the 1st intercooler 34 just can correspondence.Figure 16 is the figure of its summary of expression.
Can freely carry out adjustment at different levels like this.
In addition, turbo-compressor of the present invention and assembly method thereof are not limited to the foregoing description, for example the also form beyond the schematic structure of air draft muffler 46; Certainly also can on air draft pipe arrangement 62, exhaust valve be set, and close from outlet exhaust valve when the needs end provides compressed air of aftercooler 36; Thereby filter by suction is arranged on block cast housing I is expected densification etc.These are arbitrarily, can carry out various changes certainly in the scope that does not exceed purport of the present invention.
As previously discussed, if adopt turbo-compressor of the present invention and assembly method thereof, then as described belowly bring into play good effect.
(1) owing to is designed to have the 1st stage compressor, the 2nd stage compressor, on the block cast housing of 3rd level compressor built-in all with the corresponding aerial cooler of above-mentioned each stage compressor, and utilize compressed air channel to connect the above-mentioned compressor at different levels and the structure of aerial cooler, and be designed to aerial cooler is made as the 1st intercooler, the 2nd intercooler and aftercooler and be built in structure in the block cast housing, so can utilize the thick body of casting to reduce significantly compressed-air actuatedly penetrates sound or gear meshing sound etc. and is expected low noiseization, and can be compact to design, again, can shorten the compressed air channel that connects each cooler and each stage compressor along with densification, can reduce the compressed-air actuated pressure loss and be expected high performance, and be expected to reduce number of spare parts, save spaceization.
(2) be made as pipe arrangement respectively, and can locate the structure of dismounting by the compressed air channel that is designed to be communicated with the compressed air channel of the outlet of the 1st intercooler and the 2nd stage compressor inlet and to be communicated with the outlet of the 2nd intercooler and 3rd level suction port of compressor in each cooler outlet and each suction port of compressor, thereby can on 1 compressor, be used for 3 grades of compliant compressions, 2 grades of compliant compressions, 1 grade of compliant compression easily flexibly, the needs end require in the pressure limit can be corresponding easily.
(3) by being built in 3 aerial coolers in the block cast housing by the arranged in order of the 1st intercooler, the 2nd intercooler, aftercooler, thereby reduce the pressure differential between each aerial cooler, so can reduce the stress of isolation part, again, by outside aftercooler is configured in, thereby coordinate pipe arrangement easily, can adapt to various configuration requirements, and make circular shape by lateral wall, be expected to relax stress aftercooler.
(4) by being designed to sidepiece configuration fuel tank at the block cast housing, the air draft muffler is set between this fuel tank and block cast housing with sandwiching, utilize the air draft pipe arrangement to connect the structure of this air draft muffler and aftercooler, thereby make from the basket surface of the muffler between the fuel tank and the body of casting to penetrate sound few, can utilize effect at interval to improve erasure effect, again, can shorten the distance between aftercooler and the air draft muffler, be expected to reduce pipe arrangement man-hour.
(5) be designed to following assembly method, promptly, be manufactured on integral production 3 stage compressor compression sections on the body of casting, compressed air channel, and divide the block cast housing that is formed with the incorporating section of taking in the aerial cooler corresponding with each stage compressor, then with intercooler and aftercooler and row arrangement be accommodated in this block cast housing each aerial cooler incorporating section and after being built in the block cast housing, utilize compressed air channel to connect each stage compressor, perhaps be designed to following assembly method: make and divide the block cast housing that is formed with 3 aerial cooler incorporating sections, then with according to the 1st intercooler, the 2nd intercooler, the arranged in order of aftercooler, it is taken in and be built in 3 incorporating sections that are formed at this block cast housing, and utilize compressed air channel to connect each cooler and each stage compressor, thus, if make the block cast housing, then, can easily assemble as long as assembling just can be assembled to the actuating unit of aerial cooler or compression section transmitting rotary power.
Industrial applicibility
As described above, filter by suction of the present invention reduces or eliminates in the air intake process In more the foreign matter during renew cartridge suck, and change easily operation. Again, whirlpool of the present invention Wheel compression machine and assembly method thereof make 3 grades of formula compressor densifications, in requiring pressure limit Apply in a flexible way.

Claims (12)

1, a kind of filter by suction is characterized in that, has following structure: individually have filter core on the air duct from suction portion to discharge portion, be directed to above-mentioned discharge portion by this each filter core inhaled air.
2, a kind of filter by suction is characterized in that, has following structure: individually have filter core about the inside of the housing with suction portion and discharge portion, be directed to above-mentioned discharge portion by each the filter core inhaled air about this.
3, filter by suction as claimed in claim 2, it is characterized in that: the chamber that is provided with seal construction at the inboard central portion of housing, both sides at this chamber individually have filter core, make the inside and outside connection of the chamber of above-mentioned seal construction by this each filter core, and be communicated with the inside and the discharge portion of this chamber.
4, as claim 2 or 3 described filter by suctions, it is characterized in that: the size window corresponding with filter core is set on the sidepiece of the housing that is positioned at the filter core outside, and can utilizes lid to be opened/closed this window sealing.
5, a kind of turbo-compressor, it is characterized in that: the corresponding aerial cooler of built-in and above-mentioned each stage compressor in block cast housing with the 1st stage compressor, the 2nd stage compressor, 3rd level compressor, and utilize compressed air channel to connect above-mentioned each stage compressor and aerial cooler.
6, turbo-compressor as claimed in claim 5 is characterized in that: aerial cooler is made as the 1st intercooler, the 2nd intercooler and aftercooler and is built in the block cast housing.
7, turbo-compressor as claimed in claim 6, it is characterized in that: the compressed air channel that is communicated with the compressed air channel of the 1st intercooler outlet and the 2nd stage compressor inlet and is communicated with the outlet of the 2nd intercooler and 3rd level suction port of compressor is respectively pipe arrangement, and can locate dismounting at each cooler outlet and each suction port of compressor.
8, turbo-compressor as claimed in claim 6 is characterized in that: according to the arranged in order of the 1st intercooler, the 2nd intercooler, aftercooler that it is built-in and separate with dividing wall, and the lateral wall of aftercooler side is made circular shape.
9, turbo-compressor as claimed in claim 7 is characterized in that: according to the arranged in order of the 1st intercooler, the 2nd intercooler, aftercooler that it is built-in and separate with dividing wall, and the lateral wall of aftercooler side is made circular shape.
10, as claim 5,6,7,8 or 9 described turbo-compressor, it is characterized in that: at the sidepiece configuration fuel tank of block cast housing, the air draft muffler is set between this fuel tank and block cast housing with sandwiching, utilizes the air draft pipe arrangement to connect this air draft muffler and aftercooler.
11, a kind of assembly method of turbo-compressor, it is characterized in that: make the block cast housing, thereby then with intercooler and aftercooler and row arrangement be accommodated in each aerial cooler incorporating section of this block cast housing and be built in the block cast housing, utilize compressed air channel to connect each stage compressor afterwards, described block cast housing is that integral production goes out 3 stage compressor compression section and compressed air channels on the body of casting, and divides and to be formed with that the incorporating section of taking in the aerial cooler corresponding with each stage compressor forms.
12, the assembly method of turbo-compressor as claimed in claim 11, it is characterized in that: make and divide the block cast housing that is formed with 3 aerial cooler incorporating sections, then according to the arranged in order of the 1st intercooler, the 2nd intercooler, aftercooler, thereby it is accommodated in 3 incorporating sections that are formed on this block cast housing built-in, and utilizes compressed air channel to connect each cooler and each stage compressor.
CN 200480008036 2003-03-26 2004-03-19 Suction filter, turbo compressor, and method of packaging the compressor Pending CN1764497A (en)

Applications Claiming Priority (3)

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JP2003085407A JP4635408B2 (en) 2003-03-26 2003-03-26 Suction filter
JP085407/2003 2003-03-26
JP100336/2003 2003-04-03

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KR100886197B1 (en) 2008-05-29 2009-02-27 주식회사 우양이엠에스 Dust collector
JP5802414B2 (en) * 2011-03-30 2015-10-28 アルバックテクノ株式会社 Oil mist trap
JP5672171B2 (en) * 2011-06-28 2015-02-18 株式会社Ihi Turbo compressor
CN103047189A (en) * 2011-10-17 2013-04-17 复盛易利达(上海)压缩机有限公司 Centrifugal compressor for integrating rear cooler
CN106121998A (en) * 2016-08-18 2016-11-16 湖南天宏泵业制造有限公司 A kind of pump housing machine envelope metalworking coolant supply filtration system

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CN101105191A (en) 2008-01-16
JP4635408B2 (en) 2011-02-23
JP2004290790A (en) 2004-10-21

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