CN107191228A - A kind of filter applied to screw expander - Google Patents
A kind of filter applied to screw expander Download PDFInfo
- Publication number
- CN107191228A CN107191228A CN201710570992.5A CN201710570992A CN107191228A CN 107191228 A CN107191228 A CN 107191228A CN 201710570992 A CN201710570992 A CN 201710570992A CN 107191228 A CN107191228 A CN 107191228A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- air
- hole
- screw expander
- filter core
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to screw expander technical field, more particularly to a kind of filter applied to screw expander；The present invention includes being provided with the air inlet pipe being provided with the air through hole being provided with the air inlet for air inlet and the gas outlet for outlet, filter core for air inlet, air inlet for inserting air through hole on cylinder and filter core, cylinder；In the present invention; the pairing corresponding with the air through hole of filter core of the air inlet of cylinder; air inlet pipe is provided with air inlet; in the air through hole of air inlet pipe insertion filter core; air inlet pipe is set closely to be close together with air through hole; sealed effect is reached, while also making filter core be difficult to rock, is allowed to obtain firm protection；The present invention inserts air inlet pipe in the air through hole of filter core, is allowed to closely be close together, makes filter core be difficult to rock, and is allowed to obtain firm protection.
Description
Technical field
The present invention relates to screw expander technical field, more particularly to a kind of filter applied to screw expander.
Background technology
At present, screw expander is to rely on volume expansion, the rotation of drive screw rotor, converts heat energy into mechanical energy
A kind of heat engine, its be 21 century obtain tremendous development a kind of emerging dynamic power machine, can be widely applied to industrial afterheat recovery,
The fields such as geothermal power generation, biomass power generation, can direct drive generator, also can directly drag the plant equipment such as pump, blower fan, its tie
Structure is essentially identical with double-screw compressor, and is worked by the inverse principle of gas compression, is mainly turned by a pair of intermeshing screw rods
Son and casing composition, with clearance seal between rotor and rotor, rotor and casing, formed volume can consecutive variations working chamber,
Gaseous working medium containing heat enters working chamber adiabatic expansion, and driving rotor rotation is done work, while expansion work, the pressure of working medium
Power and temperature reduction, heat to power output is realized with this.
With the fast development of industry, the energy and environmental problem are of increasing concern, and power saving is increasingly by society
The attention of all circles, screw expansion unit is emerged rapidly as a kind of novel energy interpreter, and it is according to helical-lobe compressor
What the inverse principle of contraction principle was made, and how screw rotor ensures that its safe operation is outstanding as the key components and parts of expanding machine
To be important, the design of the air intake filter in it is also extremely important；Because screw expander has a 4mm/S left sides in use
Right amplitude, its air intake filter installs unstable, often rocks fragile.
The content of the invention
Described above in order to overcome the shortcomings of, it is an object of the invention to provide a kind of filtering dress applied to screw expander
Put, it inserts air inlet pipe in the air through hole of filter core, be allowed to closely be close together, make filter core be difficult to rock, be allowed to obtain
Firm protection.
The present invention solve its technical problem technical scheme be：
A kind of filter applied to screw expander, wherein, including cylinder and be arranged in the cylinder be used for filter
Filter core, be provided with the air inlet for air inlet and the gas outlet for outlet, the filter core on the cylinder and be provided with use
The air inlet pipe for inserting the air through hole is provided with the air through hole of air inlet, the air inlet.
As a modification of the present invention, the filter core includes core body and the inner support frame being arranged in the core body, outer
Support frame, is provided with screen modules between the inner support frame and the outer support frame, the screen modules include
Several screen packs.
As a further improvement on the present invention, the screen modules also include two catch nets, and the screen pack is in
Between two catch nets.
As the further improvement of the present invention, the two ends of the core body are respectively arranged with upper end cover and bottom end cover, described
Air through hole is arranged on the upper end cover, and the bottom end cover is sealed.
As the further improvement of the present invention, end socket is provided with the cylinder, the air inlet pipe is connected to the envelope
On head, the circular orientation plate of the upper end cover for withstanding the core body is provided with the side wall of the air inlet pipe.
As the further improvement of the present invention, seal groove, the seal groove are provided with the hole wall of the air through hole
Inside it is provided with the sealing ring of the tube wall for being close to the air inlet pipe.
As the further improvement of the present invention, first annular groove is set on the bottom end cover；Set on the cylinder
There is flange, the flange is connected with blind flange, the positioning for inserting the first annular groove is provided with the blind flange
Pipe.
As the further improvement of the present invention, it is provided with the second annular groove, the blind flange and sets on the flange
It is equipped with the boss for inserting second annular groove.
As the further improvement of the present invention, the air inlet and the angle of the gas outlet are right angle.
As the further improvement of the present invention, handle is provided with second annular groove.
In the present invention, the air inlet of cylinder and the corresponding pairing of the air through hole of filter core, are provided with air inlet pipe at air inlet,
In the air through hole of air inlet pipe insertion filter core, air inlet pipe is closely close together with air through hole, reach sealed effect, together
When also make filter core be difficult to rock, be allowed to obtain firm protection；The present invention inserts air inlet pipe in the air through hole of filter core, is allowed to tight
It is close to be close together, make filter core be difficult to rock, be allowed to obtain firm protection.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following preferred embodiments and accompanying drawing.
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the filter core of the present invention；
Reference：1- cylinders, 11- air inlets, 111- air inlet pipe, 112- circular orientation plates, 12- gas outlets, 121- escape pipes,
13- end sockets, 14- flanges, the annular grooves of 141- second, the mounting holes of 142- first, 143- sealing gaskets, 15- blind flanges, 151- positioning
Pipe, 152- boss, the mounting holes of 153- second, 2- filter cores, 21- air through hole, 211- seal grooves, 212- sealing rings, 22- core bodys,
221- upper end covers, 222- bottom end covers, the first annular grooves of 223-, 224- handles, 23- inner support frames, 24- outer support frames, 25- mistakes
Net-filter assembly, 251- screen packs, 252- catch nets, 3- stop valves.
Embodiment
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of filter applied to screw expander of the present invention, including cylinder 1 and it is arranged on cylinder
The air inlet 11 for air inlet and the gas outlet 12 for outlet are provided with the filter core 2 for being used to filter in body 1, cylinder 1.
It is provided with the air through hole 21 for air inlet, air inlet 11 and is provided with for inserting air through hole 21 on filter core 2
Air inlet pipe 111.
In the present invention, the air inlet 11 of cylinder 1 and the corresponding pairing of the air through hole 21 of filter core 2, are set at air inlet 11
Have in air inlet pipe 111, the air through hole 21 of the insertion filter core 2 of air inlet pipe 111, air inlet pipe 111 is closely close to air through hole 21
Together, sealed effect is reached, while also making filter core 2 be difficult to rock, is allowed to obtain firm protection.
The angle of air inlet 11 and gas outlet 12 is to be provided with escape pipe 121 at right angle, gas outlet 12, facilitates air inlet and goes out
Gas, is preferably filtered.
The present invention provides an embodiment of filter core 2, as shown in Fig. 2 filter core 2 includes core body 22 and is arranged on core body 22
Interior inner support frame 23, outer support frame 24, core body 2 are hollow structure, are provided between inner support frame 23 and outer support frame 24
Net-filter assembly 25, screen modules 25 include several screen packs 251, can be by screen pack 251 in order to preferably be filtered
It is folded with, inner support frame 23 plays support fixation together with outer support frame 24, makes screen pack 251 be difficult loosely, to be allowed to more
The effect of filtering is reached well.
When in the filter of current screw expander, impurity particle is in the case of vibration equipment, for a long time with filter
Net friction can cause the breakage of filter screen, cause the abrasion or stuck of its internal rotor, therefore, the present invention in order to avoid the problem,
In the present invention, screen modules 25 also include two catch nets 252, and screen pack 251 is between two catch nets 252, passed through
Catch net 252 is protected to screen pack 251, makes the not cracky of screen pack 251, is allowed to preferably filter, is not resulted in screw rod
Expand the abrasion or stuck of inboard rotor.
Further, the two ends of core body 22 are respectively arranged with upper end cover 221 and bottom end cover 222, and air through hole 21 is arranged on
On end cap 221, bottom end cover 222 is sealed, in core body 22, by the air inlet of air through hole 21, is filtered out by screen pack 251
Gas.
End socket 13 is provided with cylinder 1, air inlet pipe 111 is connected on end socket 13, is provided with the side wall of air inlet pipe 111
For the circular orientation plate 112 for the upper end cover 221 for withstanding core body 22, core body 22 is inserted in after air inlet pipe 111 interior, circular orientation plate
112 withstand the upper end cover 221 of core body 22, play a positioning supporting role, are allowed to block and are also allowed to be difficult to rock.
In order that sealing effectiveness more preferably, is difficult gas leakage, seal groove 211 is provided with the hole wall of air through hole 21, seal
The sealing ring 212 of the tube wall for being close to air inlet pipe 111 is provided with groove 211, preferably sealing effectiveness is reached, preferably,
Sealing ring 212 is circular seal ring, and circular seal ring uses HNBR materials, and HNBR has good oil resistivity, heat resistance, resistance toization
Learn corrosive nature（To freon, acid, alkali have good resistance）, excellent ozone resistance, it is higher it is incompressible forever
Long deformation performance；Also there is high intensity simultaneously, high tear energy, the features such as anti-wear performance is excellent.
The present invention is allowed to be difficult to rock, first annular groove is set on bottom end cover 222 to preferably fix filter core 2
223；Flange 14 is provided with cylinder 1, flange 14 is connected with blind flange 15, is provided with blind flange 15 for inserting first annular
The positioning pipe 151 of groove 223, inserts the bottom end cover 222 that first annular groove 223 blocks filter core 2 by positioning pipe 151, passes through
Circular orientation plate 112 in air inlet pipe 11 withstands the upper end cover 221 of filter core 2, blocks the upper and lower ends of filter core 2 and is difficult to rock.
In order to preferably be sealed, being provided with to be provided with the second annular groove 141, blind flange 15 on flange 14 is used for
The boss 152 of the second annular groove 141 is inserted, blind flange 15 is preferably stuck on flange 14, it is further, recessed in the second annular
Sealing gasket 143 is provided with groove 141, can preferably be sealed.
It is provided with to preferably carry out mounting and dismounting on filter core 2, flange 14 on the first mounting hole 142, blind flange 15
It is provided with and passes through the first mounting hole 142, the second mounting hole with corresponding second mounting hole 153 of the first mounting hole 148, connector 16
153 link together flange 14 with blind flange 15, and the first mounting hole 142 and the second mounting hole 153 are screwed hole, connector
16 include hex bolts and the spring washer, the plain cushion that are enclosed on hex bolts, and convenient connection is also convenient for taking out and changes filter core 2.
In order to dismantle during lower filter 2, it is easy to take out on filter core 2, first annular groove 223 and is provided with handle 224, under dismounting
, can the taking-up out of cylinder 1 by filter core 2 by holding handle 224 after blind flange 15.
In the present invention in order to preferably be operated, sealing effectiveness is reached, while facilitating installing/dismounting filter core 2, flange
Stop valve 3 is threaded with lid 15.
As depicted in figs. 1 and 2, the present invention provides one embodiment, and the embodiment includes cylinder 1 and blind flange 15, cylinder 1
Top be provided with flange 14, flange 14 be provided with first annular groove 141, the marginal position of flange 14 be provided with multiple uniform screwed holes
（First mounting hole 143）, the end socket 13 of the bottom of cylinder 1 is provided with air inlet 11, and the side of cylinder 1 is provided with gas outlet 12, air inlet
Mouth 11 is with gas outlet 12 in 90 degree of angles；Blind flange 15 covers the top in cylinder 1, and the bottom of blind flange 15 is provided with and is caught on flange 14
First annular groove 141 annular boss 152, and set between the bottom of boss 152 and the first annular groove 141 of flange 14
There is sealing gasket 143, the marginal position of blind flange 15 is provided with screw thread on multiple and flange 14（First mounting hole 143）One-to-one
Each second mounting hole 153 is distinguished with one-to-one first mounting hole 143 on flange 14 in two mounting holes 153, blind flange 15
Hex bolts is screwed into, plain cushion, spring washer are sequentially provided between the top of blind flange 15 and hex bolts；Blind flange 15 is provided with cut-off
Valve 3, stop valve 3 is connected by screw thread with blind flange 15, and filter core 2 is located in cylinder 1, and filter core 2 is sealing and the top end of filter core 2
Lid center is provided with first annular groove 223, and the positioning pipe 151 that blind flange 15 is provided with positioning pipe 151, blind flange 15 stretches into filter
In first annular groove 223 set by the top center of core 2, it is ensured that product is reliable and stable in use, the bottom head covers of filter core 2
Center, which is provided with air through hole 21 and seal groove 211, seal groove 211, is provided with O-ring seals 212, and the bottom of cylinder 1 is provided with end socket
13, end socket 13 is provided with air inlet pipe 111, and air inlet pipe 111 is provided with circular orientation plate 112, and air inlet pipe 111 stretches into the upper of filter core 1
O-ring seals 212 are provided between ventilation through hole 21, it is ensured that product on the upper end cover 221 of end cap 221, air inlet pipe 111 and filter core 2
Good sealing；In the present embodiment, sealing gasket 143 is using without asbestos washer, and hex bolts, plain cushion, the material of spring washer are adopted
With low-carbon alloy steel, the material of cylinder 1 and blind flange 15 uses mild steel, and filter core 1 uses stainless steel；Blind flange 15 passes through circumference
12 the second hex bolts of mounting hole 153, spring washer, plain cushion and the screw thread phase of the first mounting hole 142 on the flange 14 of cylinder 1
Even, it is located at flange 14 by compression to seal with the sealing gasket 143 before blind flange 15, prevent leakage, using end face seal, passes through
12 uniform bolts tighten blind flange 15, sealing gasket 143, flange 14, and centre is provided with spring washer, it is ensured that product is using process
In sealedly reliability.
In this embodiment, the upper end cover of air inlet pipe 111 and filter core 2 uses radial shaft seals, it is ensured that it is good close
The first annular groove 223 that positioning pipe 151 on sealing property, blind flange 15 stretches into filter core 2 is positioned, it is ensured that product uses process
Middle stability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of filter applied to screw expander, it is characterised in that including cylinder and be arranged in the cylinder
For the filter core of filtering, it is provided with the cylinder on the air inlet for air inlet and the gas outlet for outlet, the filter core
It is provided with the air inlet pipe being provided with the air through hole for air inlet, the air inlet for inserting the air through hole.
2. a kind of filter applied to screw expander according to right 1, it is characterised in that the filter core includes core
Body and the inner support frame being arranged in the core body, outer support frame, are provided between the inner support frame and the outer support frame
Screen modules, the screen modules include several screen packs.
3. a kind of filter applied to screw expander according to right 2, it is characterised in that the screen modules
Also include two catch nets, the screen pack is between two catch nets.
4. a kind of filter applied to screw expander according to right 3, it is characterised in that the two ends of the core body
Upper end cover and bottom end cover are respectively arranged with, the air through hole is arranged on the upper end cover, and the bottom end cover is sealed.
5. a kind of filter applied to screw expander according to right 4, it is characterised in that set on the cylinder
There is end socket, the air inlet pipe is connected on the end socket, be provided with the side wall of the air inlet pipe for withstanding the core body
The circular orientation plate of upper end cover.
6. a kind of filter applied to screw expander according to right 5, it is characterised in that the air through hole
The sealing ring that the tube wall for being close to the air inlet pipe is provided with seal groove, the seal groove is provided with hole wall.
7. a kind of filter applied to screw expander according to right 6, it is characterised in that set on the bottom end cover
Put first annular groove；Flange is provided with the cylinder, the flange is connected with blind flange, and use is provided with the blind flange
In the positioning pipe for inserting the first annular groove.
8. a kind of filter applied to screw expander according to right 7, it is characterised in that set on the flange
There is the boss being provided with the second annular groove, the blind flange for inserting second annular groove.
9. a kind of filter applied to screw expander according to right 1, it is characterised in that the air inlet and institute
The angle for stating gas outlet is right angle.
10. a kind of filter applied to screw expander according to right 7, it is characterised in that second annular
Handle is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570992.5A CN107191228A (en) | 2017-07-13 | 2017-07-13 | A kind of filter applied to screw expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570992.5A CN107191228A (en) | 2017-07-13 | 2017-07-13 | A kind of filter applied to screw expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191228A true CN107191228A (en) | 2017-09-22 |
Family
ID=59883030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710570992.5A Pending CN107191228A (en) | 2017-07-13 | 2017-07-13 | A kind of filter applied to screw expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191228A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0313237D0 (en) * | 2002-06-07 | 2003-07-16 | Baldwin Filters | Environmentally friendly filter cartridge |
| CN102784505A (en) * | 2012-07-25 | 2012-11-21 | 中电普瑞科技有限公司 | Filter for pure water cooling system |
| CN202597110U (en) * | 2012-05-11 | 2012-12-12 | 常州华东真空设备有限公司 | Oil mist filter for vacuum pump |
| CN203926015U (en) * | 2014-05-30 | 2014-11-05 | 北京威鹏晟科技有限公司 | A kind of filter for dry screw vacuum pump |
| CN104436919A (en) * | 2014-11-12 | 2015-03-25 | 上海发电设备成套设计研究院 | Natural gas filtering device and using and disassembling method thereof |
| CN204474426U (en) * | 2014-12-30 | 2015-07-15 | 福州品行科技发展有限公司 | A kind of filter element of water purifier |
| CN206299788U (en) * | 2016-12-19 | 2017-07-04 | 南京佑天金属科技有限公司 | The secondary sealing device of iodinating reactor |
| CN207018032U (en) * | 2017-07-13 | 2018-02-16 | 新乡市万和过滤技术股份公司 | A kind of filter applied to screw expander |
-
2017
- 2017-07-13 CN CN201710570992.5A patent/CN107191228A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0313237D0 (en) * | 2002-06-07 | 2003-07-16 | Baldwin Filters | Environmentally friendly filter cartridge |
| CN202597110U (en) * | 2012-05-11 | 2012-12-12 | 常州华东真空设备有限公司 | Oil mist filter for vacuum pump |
| CN102784505A (en) * | 2012-07-25 | 2012-11-21 | 中电普瑞科技有限公司 | Filter for pure water cooling system |
| CN203926015U (en) * | 2014-05-30 | 2014-11-05 | 北京威鹏晟科技有限公司 | A kind of filter for dry screw vacuum pump |
| CN104436919A (en) * | 2014-11-12 | 2015-03-25 | 上海发电设备成套设计研究院 | Natural gas filtering device and using and disassembling method thereof |
| CN204474426U (en) * | 2014-12-30 | 2015-07-15 | 福州品行科技发展有限公司 | A kind of filter element of water purifier |
| CN206299788U (en) * | 2016-12-19 | 2017-07-04 | 南京佑天金属科技有限公司 | The secondary sealing device of iodinating reactor |
| CN207018032U (en) * | 2017-07-13 | 2018-02-16 | 新乡市万和过滤技术股份公司 | A kind of filter applied to screw expander |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108023451B (en) | Positive pressure explosion-proof generator | |
| CN201503332U (en) | Packing box for hydraulic test on floating tube sheet end of floating head type heat exchanger | |
| CN207018032U (en) | A kind of filter applied to screw expander | |
| CN107191228A (en) | A kind of filter applied to screw expander | |
| CN201992068U (en) | Shaft seal of composite modularization design used in reaction vessel | |
| CN102454790A (en) | Combined modularly-designed shaft seal for reaction kettle | |
| CN200984499Y (en) | Negative-pressure resistant steel lining PTFE reactor | |
| CN207537410U (en) | Internal heat type molecular sieve dehydration device | |
| CN202301025U (en) | Roots compressor | |
| CN101275559B (en) | Rolling rotor type cold compressor | |
| CN209942885U (en) | Shaft end sealing structure of screw expander and screw expander | |
| CN215907971U (en) | EGR cooler | |
| CN201062579Y (en) | Rolling rotor type refrigeration compressor | |
| CN213711363U (en) | A radially split CO2 compressor | |
| CN114448141A (en) | A closed radial double rotor natural gas residual pressure power generation device | |
| CN108003953A (en) | molecular sieve dehydration device for natural gas | |
| CN1455118A (en) | Water pump | |
| CN208177278U (en) | Blender and industrial equipment with the blender | |
| CN219841825U (en) | Heat exchange tube of thermal management unit of air compression station | |
| CN217029942U (en) | Novel water pump mechanical sealing device | |
| CN213300074U (en) | Boiler combustion system using exhaust gas flow gas | |
| CN110219703A (en) | Large size favourable turn hazardous gas hydraulic seal device | |
| CN205978452U (en) | Shaft seal device of blendor | |
| CN203822388U (en) | Scroll expansion power generation device | |
| CN222279432U (en) | MVR steam generator heat exchange assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
|
| RJ01 | Rejection of invention patent application after publication |