CN203577549U - Efficient recovery device for expander sealing gas - Google Patents
Efficient recovery device for expander sealing gas Download PDFInfo
- Publication number
- CN203577549U CN203577549U CN201320685235.XU CN201320685235U CN203577549U CN 203577549 U CN203577549 U CN 203577549U CN 201320685235 U CN201320685235 U CN 201320685235U CN 203577549 U CN203577549 U CN 203577549U
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- China
- Prior art keywords
- oil
- decompressor
- blanket gas
- efficiente callback
- high efficiente
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- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 11
- 238000011084 recovery Methods 0.000 title abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 68
- 239000007789 gas Substances 0.000 description 56
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an efficient recovery device for expander sealing gas. The efficient recovery device comprises an oil-gas separation mechanism and a filtering oil removal mechanism in sequential connection, wherein the oil-gas separation mechanism is connected with an expander oil tank and used for receiving the sealing gas from the expander oil tank; the filtering oil removal mechanism mainly consists of multiple filters connected in series. The oil content of the expander sealing gas treated by the device disclosed by the utility model is lower than 0.01PPM; the recovery rate of the expander sealing gas is over 99%, and waste is basically avoided; moreover, all pieces of equipment in the efficient recovery device for expander sealing gas, which is disclosed by the utility model, are provided with standby equipment or secondary lines and can be switched for maintenance or repair in operation according to the needs without shutdown or disassembly.
Description
Technical field
The utility model relates to decompressor blanket gas recovery technology field, relates in particular to a kind of decompressor blanket gas high efficiente callback device.
Background technology
Decompressor must use blanket gas infiltrate oil sealing or enter in expanding end to prevent lubricating oil.Blanket gas is all generally to take from refrigerant-cycle systems medium, after pressure regulates, enters decompressor.Blanket gas returns to decompressor fuel tank with lubricating oil, because oil gas separation cannot reach blanket gas recycling requirement, (its oil content is high, enter refrigerant-cycle systems and may cause Cold box blocking and freezing or equipment fault), generally after simple Oil-gas Separation, do not utilize (directly emptying) or degradation to use (if blanket gas is natural gas, can be used as the fuel of the combustion apparatus such as gas furnace).In this case, refrigerant circulation just needs constantly to supplement the cold-producing medium of equivalent amount, has not only caused energy waste but also improved operating cost.
Utility model content
The purpose of this utility model is to provide a kind of decompressor blanket gas high efficiente callback device, thereby solves the foregoing problems existing in prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of decompressor blanket gas high efficiente callback device, comprises the oil-gas separation mechanism connecting successively and filters oil removing mechanism; Described oil-gas separation mechanism is connected with decompressor fuel tank, for receiving the blanket gas from decompressor fuel tank; Described filtration oil removing mechanism is mainly comprised of the filter of many series connection.
Preferably, also comprise the pressure regulating mechanism that is connected to described filtration oil removing mechanism rear end, described pressure regulating mechanism is mainly comprised of pressure transmitter, pressure-regulating valve and by-pass thereof.
Preferably, described oil-gas separation mechanism is mainly comprised of the blanket gas cooler and the gs-oil separator that connect successively.
Preferably, described blanket gas cooler is shell-and-tube heat exchanger, and wherein shell is made in sealing leave with rage, and cooling water is walked pipe layer; Described gs-oil separator is cyclone separator; The oil outlet end of described gs-oil separator is connected with described decompressor fuel tank; The exhaust end of described gs-oil separator is connected with described filtration oil removing mechanism.
Preferably, described gs-oil separator installation position, higher than described decompressor fuel tank, makes isolated oil can rely on Action of Gravity Field to flow into described decompressor fuel tank recycling.
Preferably, described filtration oil removing mechanism is mainly comprised of the filter of two groups of three series connection.
Preferably, three of series connection filter filtering accuracies finish to be followed successively by C level, T level and A level from starting to be filled into filter.
Preferably, described filtration oil removing mechanism also comprises the electronic timing water trap being used in conjunction with described filter, discharges the waste oil filtering out for timing.
Preferably, described pressure regulating mechanism is free-standing pressure regulating mechanism and/or is electrically connected with user DCS control system the pressure regulating mechanism of accepting the control of user DCS control system.
Preferably, equipment and the pipeline in the equipment in the equipment in described oil-gas separation mechanism and pipeline, described filtration oil removing mechanism and pipeline, described pressure regulating mechanism is equipped with stand-by equipment or by-pass, in service can switching as required.
The beneficial effects of the utility model are:
Decompressor blanket gas through the utility model process after oil content lower than 0.01PPM;
2. the decompressor blanket gas rate of recovery reaches more than 99%, substantially without waste;
3. the equipment in decompressor blanket gas high efficiente callback device of the present utility model is provided with stand-by equipment or by-pass, and in service can switching as required safeguarded or keep in repair, and need not shut down and processes or diffuse.
Accompanying drawing explanation
Fig. 1 is the structural representation of decompressor blanket gas retracting device of the present utility model;
Wherein: 1---oil-gas separation mechanism; 2---filters oil removing mechanism; 3---pressure regulating mechanism; The incoming road of the pending blanket gas of 4---; 5---cooling water intake; 6---cooling water outlet; 7---carries the oily oil circuit of recycling to decompressor fuel tank; 8---waste oil output circuit; The output pipe of the blanket gas of the treated mistake of 9---; 11---blanket gas cooler; 12---gs-oil separator; 13---liquid level gauge; 21---filter; 22---electronic timing water trap; 31---pressure-regulating valve; 32---pressure transmitter; 34---user DCS system or independently adjuster; 41---thief hatch; 42---valve.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.Should be appreciated that the specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the utility model discloses a kind of decompressor blanket gas high efficiente callback device, comprise the oil-gas separation mechanism connecting successively and filter oil removing mechanism; Described oil-gas separation mechanism is connected with decompressor fuel tank, for receiving the blanket gas from decompressor fuel tank; Described filtration oil removing mechanism is mainly comprised of the filter of many series connection.Also comprise the pressure regulating mechanism that is connected to described filtration oil removing mechanism rear end, described pressure regulating mechanism is mainly comprised of pressure transmitter, pressure-regulating valve and by-pass thereof.Described oil-gas separation mechanism is mainly comprised of the blanket gas cooler and the gs-oil separator that connect successively.Described blanket gas cooler is shell-and-tube heat exchanger, and wherein shell is made in sealing leave with rage, and cooling water is walked pipe layer; Described gs-oil separator is cyclone separator; The oil outlet end of described gs-oil separator is connected with described decompressor fuel tank; The exhaust end of described gs-oil separator is connected with described filtration oil removing mechanism.Described gs-oil separator installation position, higher than described decompressor fuel tank, makes isolated oil can rely on Action of Gravity Field to flow into described decompressor fuel tank recycling.Described filtration oil removing mechanism is mainly comprised of the filter of two groups of three series connection.Three filter filtering accuracies of series connection finish to be followed successively by C level, T level and A level from starting to be filled into filter.Described filtration oil removing mechanism also comprises the electronic timing water trap being used in conjunction with described filter, discharges the waste oil filtering out for timing.Described pressure regulating mechanism is electrically connected with user DCS control system, also can independently regulate and not be electrically connected with user DCS control system.Equipment and pipeline in equipment in equipment in described oil-gas separation mechanism and pipeline, described filtration oil removing mechanism and pipeline, described pressure regulating mechanism are equipped with stand-by equipment or by-pass, in service can switching as required.
Below in conjunction with accompanying drawing 1, with specific embodiment, describe structure of the present utility model and operation principle in detail:
As shown in the figure, the decompressor blanket gas high efficiente callback device of the present embodiment mainly comprises three parts:
1-oil-gas separation mechanism: this part mainly contains blanket gas cooler (shell-and-tube heat exchanger, shell is made in sealing leave with rage, water is walked pipe layer) and gs-oil separator (cyclone separator) two equipment compositions, its effect is first by cooling, by cyclonic separation, overwhelming majority oil (separative efficiency is not less than 99%) in blanket gas is separated again.Isolated oil returns to decompressor fuel tank recycling (requiring gs-oil separator installation site higher than decompressor fuel tank) by gs-oil separator bottom tapping line, and the blanket gas that carries small part oil enters and filters oil removing part.
II-filters oil removing mechanism: this part is comprised of the filter of two groups of three series connection, and filtering accuracy is followed successively by C level (3PPM), T level (0.5PPM) and A level (0.01PPM).Its Main Function is by a small amount of fluid oil contained in the blanket gas after gs-oil separator separating most lubricating oil and oil vapour filtering step by step, finally reaches oil content and is no more than 0.01PPM, and blanket gas can enter system recoveries utilization.Filters at different levels are equipped with electronic timing water trap, and the oily regular discharge filtering out, to header, is then got back to the waste oil treatment system of factory.
II1-pressure regulating mechanism: this part is comprised of pressure transmitter, pressure-regulating valve and by-pass thereof, and access the full DCS of factory control system, also can not access the full DCS of factory control system and adopt independently adjuster.Main Function is automatically to regulate decompressor tank pressure according to technological requirement.This part is apolegamy equipment, and user can determine whether to install according to on-site actual situations.
Particular design of the present utility model has 3 points:
From the blanket gas of decompressor fuel tank successively, gs-oil separator thick de-oiling cooling through subcooler and C level, T level, A level filter essence, filter oil removing, make final blanket gas oil content after treatment lower than 0.01PPM, guaranteeing can high efficiente callback utilization;
The oil separating in gs-oil separator returns to the electronic timing water trap of the filter deployment of decompressor fuel tank, series connection by Action of Gravity Field, pressure transmitter, pressure-regulating valve can access the designs such as the user DCS of factory control system and all make this device realize full automation control;
The equipment such as the gs-oil separator in the utility model, the filter of three series connection, pressure-regulating valve are all designed with stand-by equipment or by-pass, and in service can switching as required safeguarded or keep in repair, and need not shut down and processes or diffuse.
Function realizes:
From the blanket gas of decompressor fuel tank, temperature is 70 ℃ of left and right, carries large gauging secretly.It is cooling that first it pass through blanket gas cooler, then enters cyclonic separation and carry out Oil-gas Separation, isolates more than 99% oil.Isolated oil returns to the recycling of decompressor fuel tank by Action of Gravity Field by gs-oil separator bottom tapping line.The blanket gas that carries small part oil enters and filters oil removing mechanism.This mechanism is comprised of the filter of two groups of three series connection, and filtering accuracy is followed successively by C level (3PPM), T level (0.5PPM) and A level (0.01PPM).Filter, by a small amount of fluid oil contained in blanket gas and oil vapour filtering step by step, makes its oil content be no more than 0.01PPM.Filters at different levels are equipped with electronic timing water trap, and the oily regular discharge filtering out, to header, is then got back to the waste oil treatment system of factory.Finally, the blanket gas that possesses recovering condition enters refrigerant-cycle systems after regulating pressure regulating valve, realizes the object that high efficiente callback utilizes.In device, be provided with and two thief hatch, can carry out sampling analysis chemical examination, check filter deoiling effect.
The utility model is a set of decompressor blanket gas high efficiente callback device, can efficiently separate the lubricating oil in blanket gas, make oil content lower than 0.01ppm, reach and can enter the effect that refrigerant-cycle systems is recycled completely, needn't emptying or degradation use, both energy-saving and emission-reduction, have reduced again considerable operating cost.
By adopting the disclosed technique scheme of the utility model, obtained following useful effect:
Decompressor blanket gas through the utility model process after oil content lower than 0.01PPM;
2. the decompressor blanket gas rate of recovery reaches more than 99% (to embody high efficiente callback), substantially without waste;
3. the equipment in decompressor blanket gas high efficiente callback device of the present utility model is provided with stand-by equipment or by-pass, and in service can switching as required safeguarded or keep in repair, and need not shut down and processes or diffuse.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (10)
1. a decompressor blanket gas high efficiente callback device, is characterized in that, comprises the oil-gas separation mechanism connecting successively and filters oil removing mechanism; Described oil-gas separation mechanism is connected with decompressor fuel tank, for receiving the blanket gas from decompressor fuel tank; Described filtration oil removing mechanism is mainly comprised of the filter of many series connection.
2. decompressor blanket gas high efficiente callback device according to claim 1, it is characterized in that, also comprise the pressure regulating mechanism that is connected to described filtration oil removing mechanism rear end, described pressure regulating mechanism is mainly comprised of pressure transmitter, pressure-regulating valve and by-pass thereof.
3. decompressor blanket gas high efficiente callback device according to claim 1, is characterized in that, described oil-gas separation mechanism is mainly comprised of the blanket gas cooler and the gs-oil separator that connect successively.
4. decompressor blanket gas high efficiente callback device according to claim 3, is characterized in that, described blanket gas cooler is shell-and-tube heat exchanger, and wherein shell is made in sealing leave with rage, and cooling water is walked pipe layer; Described gs-oil separator is cyclone separator; The oil outlet end of described gs-oil separator is connected with described decompressor fuel tank; The exhaust end of described gs-oil separator is connected with described filtration oil removing mechanism.
5. decompressor blanket gas high efficiente callback device according to claim 3, is characterized in that, described gs-oil separator installation position, higher than described decompressor fuel tank, makes isolated oil can rely on Action of Gravity Field to flow into described decompressor fuel tank recycling.
6. decompressor blanket gas high efficiente callback device according to claim 1, is characterized in that, described filtration oil removing mechanism is mainly comprised of the filter of two groups of three series connection.
7. decompressor blanket gas high efficiente callback device according to claim 6, is characterized in that, three filter filtering accuracies of series connection finish to be followed successively by C level, T level and A level from starting to be filled into filter.
8. decompressor blanket gas high efficiente callback device according to claim 6, is characterized in that, described filtration oil removing mechanism also comprises the electronic timing water trap being used in conjunction with described filter, discharges the waste oil filtering out for timing.
9. decompressor blanket gas high efficiente callback device according to claim 2, it is characterized in that, described pressure regulating mechanism is free-standing pressure regulating mechanism and/or is electrically connected with user DCS control system the pressure regulating mechanism of accepting the control of user DCS control system.
10. according to the decompressor blanket gas high efficiente callback device described in the arbitrary claim of claim 2-9, it is characterized in that, equipment and pipeline in the equipment in the equipment in described oil-gas separation mechanism and pipeline, described filtration oil removing mechanism and pipeline, pressure regulating mechanism are equipped with stand-by equipment or by-pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685235.XU CN203577549U (en) | 2013-11-01 | 2013-11-01 | Efficient recovery device for expander sealing gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685235.XU CN203577549U (en) | 2013-11-01 | 2013-11-01 | Efficient recovery device for expander sealing gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203577549U true CN203577549U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685235.XU Expired - Lifetime CN203577549U (en) | 2013-11-01 | 2013-11-01 | Efficient recovery device for expander sealing gas |
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| Country | Link |
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| CN (1) | CN203577549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579563A (en) * | 2018-12-13 | 2019-04-05 | 艾普尔换热器(苏州)有限公司 | A kind of bitubular casting shell heat exchanger |
-
2013
- 2013-11-01 CN CN201320685235.XU patent/CN203577549U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579563A (en) * | 2018-12-13 | 2019-04-05 | 艾普尔换热器(苏州)有限公司 | A kind of bitubular casting shell heat exchanger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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| CX01 | Expiry of patent term |