CN203483979U - Combined filter device for bearing gas of expansion machine - Google Patents
Combined filter device for bearing gas of expansion machine Download PDFInfo
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- CN203483979U CN203483979U CN201320526877.5U CN201320526877U CN203483979U CN 203483979 U CN203483979 U CN 203483979U CN 201320526877 U CN201320526877 U CN 201320526877U CN 203483979 U CN203483979 U CN 203483979U
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- Prior art keywords
- filter
- coarse
- pipeline
- fine filter
- outlet
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- 238000001914 filtration Methods 0.000 claims description 45
- 230000008676 import Effects 0.000 claims description 12
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000002631 hypothermal effect Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a combined filter device for bearing gas of an expansion machine. Compressed air out of a bearing gas source enters from the inlet of a coarse filter system, and the outlet of coarse filter system is communicated with a fine filter system through a pipeline. According to the combined filter device, the coarse filter system and the fine filter system are adopted, the coarse filter system is provided a coarse filter bypass valve, and the compressed air out from the bearing gas source can be switched and flow through the coarse filter bypass valve when the coarse filter is failed; the fine filter system is provided with a main fine filter and an auxiliary fine filter, and the compressed air which is subjected to coarse filter can be switched to flow through the auxiliary fine filter when the main fine filter is failed, so that the technical problems of single filter means, low filter capacity, inconvenient filter replacement and the like can be successfully solved, the filter capacity of the combined filter device for bearing gas of an expansion machine can be improved, the number of filter replacing times can be reduced, and the service life of the combined filter device for bearing gas of an expansion machine can be effectively prolonged.
Description
Technical field
The utility model belongs to air separation and air compressing technical field, is specifically related to a kind of combined filtering device for profound hypothermia equipment.
Background technology
Decompressor is while utilizing expansion of compressed gas step-down, outwards to export mechanical power to make the principle of gas temperature reduction to obtain the machinery of cold.Decompressor is usually used in profound hypothermia equipment.Decompressor is divided into Piston Expander and turbo-expander by forms of motion and structure.Piston Expander is mainly applicable to the middle-size and small-size height of high-pressure ratio and low discharge, middle pressure profound hypothermia equipment.Turbo-expander is compared with Piston Expander, has the features such as flow is large, simple in structure, volume is little, efficiency is high and grow service cycle, is applicable to big-and-middle-sized profound hypothermia equipment.
Turbo-expander is that air separation equipment and natural gas liquefaction separation equipment and low temperature breaking equipment etc. obtain the necessary crucial portion of cold machine, is the heart that guarantees complete equipment stable operation.Its cardinal principle is to utilize to have the gas of certain pressure in turbo-expander, to carry out externally acting and consume the interior energy of gas itself of adiabatic expansion, thereby makes gas self cooling and reach the object of refrigeration consumingly.Usually with inflator, inflate and can find stack shell heating, that is because of gas heat release after piston compression gas, if otherwise its principle is just similar to decompressor, and the energy of turbo-expander output is reclaimed by coaxial compressor or braking blower consumes.
From bearing source of the gas compressed air out, contain a small amount of steam, oil droplet and solid impurity, as iron rust, the grains of sand, seal for pipe joints agent etc., these can make the internal work environment of decompressor more severe, damage the internal component of decompressor, shorten the service life of components and parts or make it to lose efficacy.The effect of air cleaner is exactly that the aqueous water in compressed air, liquid oil droplet are separated, and the airborne dust of elimination and solid impurity.
PLPK-27.5 * 2/3.8-0.3 type turbine expansion machine bearing gas filter, uses built-in nickel sheet filter, and this device is only established filtration system one time, and filtration means are single, can not filter the large granular impurity that may occur; Built-in nickel sheet need monthly be changed, and changes nickel sheet and need to have bad luck or shutdown operation decompressor, and the working space of changing operation is narrow and small, is unfavorable for implementing dismounting and installs.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned turbine expansion machine bearing gas filter, provides that a kind of filtering traffic is large, filter replacement is convenient, the decompressor bearing gas combined filtering device of long service life.
Addressing the above problem adopted technical scheme is: the entrance from bearing source of the gas compressed air out by coarse filtration system enters, and the outlet of coarse filtration system is connected by pipeline and smart filtration system.
Coarse filtration system of the present utility model is: be arranged on coarse filter air intake valve on pipeline and the import of coarse filter and be connected, the outlet of coarse filter is connected by being arranged on give vent to anger valve and smart filtration system of coarse filter on pipeline, the lower end of coarse filter is provided with coarse filter vent valves, and the entrance that is arranged on the coarse filter bypass valve on pipeline is connected, is exported by the give vent to anger outlet of valve of pipeline and coarse filter and be connected by the import of pipeline and coarse filter air intake valve.
Smart filtration system of the present utility model is: the entrance that is arranged on the main fine filter air intake valve on pipeline is connected by the give vent to anger outlet of valve of pipeline and coarse filter, outlet is connected by the import of pipeline and main fine filter, the outlet of main fine filter be arranged on main fine filter on the pipeline valve of giving vent to anger and be connected, the lower end of main fine filter is provided with main fine filter vent valves, the entrance that is arranged on the auxiliary fine filter air intake valve on pipeline is connected by the give vent to anger outlet of valve of pipeline and coarse filter, outlet is connected by the import of pipeline and auxiliary fine filter, the outlet of auxiliary fine filter be arranged on auxiliary fine filter on the pipeline valve of giving vent to anger and be connected, the lower end of auxiliary fine filter is provided with auxiliary fine filter vent valves.
Because the utility model has adopted coarse filtration system and smart filtration system, coarse filtration system is provided with coarse filter bypass valve, once coarse filter, break down, from bearing source of the gas compressed air out, can switch to coarse filter bypass valve process, essence filtration system is provided with main fine filter and auxiliary fine filter, once main fine filter, break down, compressed air after coarse filtration can switch to auxiliary fine filter to be passed through, filtration means have successfully been solved single, filtration capacity is low, the technical problems such as filter replacement inconvenience, improved the filtration capacity of decompressor bearing gas combined filtering device, reduced the replacing number of times of filter, effectively improved the service life of decompressor bearing gas combined filtering device.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of coarse filter 13 in Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1, decompressor bearing gas combined filtering device of the present utility model is connected and is formed by coarse filter bypass valve 1, main fine filter air intake valve 2, main fine filter 3, main fine filter vent valves 4, main fine filter valve 5, decompressor A front valve 6, decompressor B front valve 7, auxiliary fine filter the give vent to anger valve 12, coarse filter 13, coarse filter vent valves 14, coarse filter air intake valve 15 of valve 8, auxiliary fine filter 9, auxiliary fine filter vent valves 10, auxiliary fine filter air intake valve 11, coarse filter of giving vent to anger of giving vent to anger.
From bearing source of the gas compressed air one route coarse filter air intake valve 15 out, enter, the coarse filter air intake valve 15 being arranged on pipeline is connected with the import of coarse filter 13, the outlet of coarse filter 13 is connected with smart filtration system by being arranged on coarse filter on the pipeline valve 12 of giving vent to anger, the lower end of coarse filter 13 is provided with coarse filter vent valves 14 by thread connection, open coarse filter vent valves 14, the moisture in the compressed air after coarse filter 13 filters, greasy dirt, impurity are discharged from coarse filter vent valves 14.From another route coarse filter bypass valve 1 of bearing source of the gas compressed air out, enter, the entrance that is arranged on the coarse filter bypass valve 1 on pipeline is connected, is exported by the give vent to anger outlet of valve 12 of pipeline and coarse filter and be connected by the import of pipeline and coarse filter air intake valve 15, once after coarse filter 13 is blocked, enter smart filtration system from the bearing source of the gas compressed air out coarse filter bypass valve 1 of can flowing through.Give vent to anger valve 12, coarse filter 13, coarse filter vent valves 14, coarse filter air intake valve 15 of coarse filter bypass valve 1, coarse filter connects the coarse filtration system that forms the present embodiment by pipeline.
The smart filtration system of the present embodiment is connected and is formed by main fine filter air intake valve 2, main fine filter 3, main fine filter vent valves 4, main fine filter the give vent to anger valve 8, auxiliary fine filter 9, auxiliary fine filter vent valves 10, auxiliary fine filter air intake valve 11 of valve 5, auxiliary fine filter of giving vent to anger.
The entrance that is arranged on the main fine filter air intake valve 2 on pipeline is connected by the give vent to anger outlet of valve 12 of pipeline and coarse filter, outlet is connected by the import of pipeline and main fine filter 3, the outlet of main fine filter 3 be arranged on main fine filter on the pipeline valve 5 of giving vent to anger and be connected, to decompressor A and decompressor B, provide the compressed air after filtration, the lower end of main fine filter 3 is provided with main fine filter vent valves 4 by thread connection, open main fine filter vent valves 4, moisture in compressed air after main fine filter 3 filters, greasy dirt, impurity is discharged from main fine filter vent valves 4.The entrance that is arranged on the auxiliary fine filter air intake valve 11 on pipeline is connected by the give vent to anger outlet of valve 12 of pipeline and coarse filter, outlet is connected by the import of pipeline and auxiliary fine filter 9, the outlet of auxiliary fine filter 9 be arranged on auxiliary fine filter on the pipeline valve 8 of giving vent to anger and be connected, to decompressor A and decompressor B, provide the compressed air after filtration, the lower end of auxiliary fine filter 9 is provided with auxiliary fine filter vent valves 10 by thread connection, open auxiliary fine filter vent valves 10, moisture in compressed air after auxiliary fine filter 9 filters, greasy dirt, impurity is discharged from auxiliary fine filter vent valves 10.
In Fig. 2, the coarse filter of the present embodiment is by upper cover 13-1, filter vat 13-2, ring flange 13-3, filter housings 13-4 connects formation, the right edge of filter housings 13-4 is processed with air inlet a, the bottom of filter housings 13-4 is processed with centre bore, in centre bore, by thread connection, coarse filter vent valves 14 is installed, filter housings 13-4 upper end weld connection has ring flange 13-3, ring flange 13-3 is upper to be connected upper cover 13-1 is installed with screw threads for fastening connector, upper cover 13-1 center is processed with filtered air gas outlet b, the lower surface of upper cover 13-1 connects filter vat 13-2 is installed with screw threads for fastening connector.From bearing source of the gas compressed air out, by air inlet a, entered in the filter housings 13-4 of coarse filter 13, close the coarse filter vent valves 14 of filter housings 13-4 bottom, the filtered air gas outlet b by upper cover 13-1 after making compressed air pass through filter vat 13-2 to filter exports.
The decompressor bearing gas combined filtering device of this structure, need aborning regularly maintenance, once break down, need repairing, handover operation online, do not need shutdown maintenance, greatly saved the working time, avoided shutting down the unnecessary economic loss causing, simultaneously, coarse filtration system and smart filtration system can be used continuously, overcome the single defect of filtration means, improved the filtration capacity of decompressor bearing gas combined filtering device, reduced the replacing number of times of filter, effectively improved the service life of decompressor bearing gas combined filtering device.
Claims (3)
1. a decompressor bearing gas combined filtering device, is characterized in that: the entrance from bearing source of the gas compressed air out by coarse filtration system enters, and the outlet of coarse filtration system is connected by pipeline and smart filtration system.
2. decompressor bearing gas combined filtering device according to claim 1, it is characterized in that described coarse filtration system is: the coarse filter air intake valve (15) being arranged on pipeline is connected with the import of coarse filter (13), the outlet of coarse filter (13) is connected with smart filtration system by being arranged on coarse filter on the pipeline valve (12) of giving vent to anger, the lower end of coarse filter (13) is provided with coarse filter vent valves (14), the entrance that is arranged on the coarse filter bypass valve (1) on pipeline is connected by the import of pipeline and coarse filter air intake valve (15), outlet is connected by the give vent to anger outlet of valve (12) of pipeline and coarse filter.
3. decompressor bearing gas combined filtering device according to claim 1, it is characterized in that described smart filtration system is: the entrance that is arranged on the main fine filter air intake valve (2) on pipeline is connected by the give vent to anger outlet of valve (12) of pipeline and coarse filter, outlet is connected by the import of pipeline and main fine filter (3), the outlet of main fine filter (3) be arranged on main fine filter on the pipeline valve (5) of giving vent to anger and be connected, the lower end of main fine filter (3) is provided with main fine filter vent valves (4), the entrance that is arranged on the auxiliary fine filter air intake valve (11) on pipeline is connected by the give vent to anger outlet of valve (12) of pipeline and coarse filter, outlet is connected by the import of pipeline and auxiliary fine filter (9), the outlet of auxiliary fine filter (9) be arranged on auxiliary fine filter on the pipeline valve (8) of giving vent to anger and be connected, the lower end of auxiliary fine filter (9) is provided with auxiliary fine filter vent valves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526877.5U CN203483979U (en) | 2013-08-27 | 2013-08-27 | Combined filter device for bearing gas of expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526877.5U CN203483979U (en) | 2013-08-27 | 2013-08-27 | Combined filter device for bearing gas of expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483979U true CN203483979U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526877.5U Expired - Fee Related CN203483979U (en) | 2013-08-27 | 2013-08-27 | Combined filter device for bearing gas of expansion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369823A (en) * | 2016-10-19 | 2017-02-01 | 广州文冲船厂有限责任公司 | Fuel heating system of vessel |
| CN113685396A (en) * | 2021-09-06 | 2021-11-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Oil pipeline filter |
-
2013
- 2013-08-27 CN CN201320526877.5U patent/CN203483979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369823A (en) * | 2016-10-19 | 2017-02-01 | 广州文冲船厂有限责任公司 | Fuel heating system of vessel |
| CN113685396A (en) * | 2021-09-06 | 2021-11-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Oil pipeline filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |