CN201404756Y - Tee-valve closed cycle heating regenerative gas dryer - Google Patents
Tee-valve closed cycle heating regenerative gas dryer Download PDFInfo
- Publication number
- CN201404756Y CN201404756Y CN2009201273706U CN200920127370U CN201404756Y CN 201404756 Y CN201404756 Y CN 201404756Y CN 2009201273706 U CN2009201273706 U CN 2009201273706U CN 200920127370 U CN200920127370 U CN 200920127370U CN 201404756 Y CN201404756 Y CN 201404756Y
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- triple valve
- filter
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- 230000001172 regenerating effect Effects 0.000 title abstract description 7
- 238000010438 heat treatment Methods 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 claims description 33
- 238000011069 regeneration method Methods 0.000 claims description 21
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 238000001179 sorption measurement Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000003345 natural gas Substances 0.000 description 6
- 239000002808 molecular sieve Substances 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a tee-valve closed cycle heating regenerative gas dryer. The outlet of a first adsorption/regenerating tower and the outlet of a second adsorption/regenerating tower are communicated with two openings of a tee valve IV through outlet pipes respectively; the third opening of the tee valve IV is communicated with the inlet of a back filter through a pipeline; a tee valveIII and the tee valve IV are connected in parallel with each other between two outlet pipes; the inlet of the first adsorption/regenerating tower and the inlet of the second adsorption/regenerating tower are communicated with two openings of a tee valve I through inlet pipes respectively; the third opening of the tee valve I is communicated with the outlet of a front filter; a tee valve II is arranged between two inlet pipes; two openings of the tee valve II are communicated with two inlet pipes respectively; the third opening of the tee valve II is connected with the inlet of a heater after penetrating a cooler, a separator/filter, and a circulating fan/compressor sequentially; and the outlet of the heater is communicated with the third opening of the tee valve III. The utility model hasthe advantages of compact structure, simple process, closed cycle, energy conservation, environmental protection, convenient maintenance, safety, reliability, and high efficiency.
Description
Technical field
The utility model relates to a kind of device that is used for the gas drying, specifically, is a kind of triple valve closed cycle thermal regeneration formula gas-drying apparatus.
Background technology
At present, most of natural gas processing station is to adopt molecular sieve adsorption formula drier to come compressed natural gas is dewatered.The utilization of molecular sieve adsorption formula drier is depressed absorption (work) at normal temperature, high steam branch, in the principle that higher temperature, low steam branch are depressed desorption (regeneration) natural gas is carried out dehydration cycle, be adsorbent in the drier moisture content in absorbed natural gas in adsorption process, by thermal diffusion and two kinds of mechanism of High Pressure Difference of in regenerative process, relying on regeneration gas (dry hot gas) adsorbent is regenerated, reach the purpose of dehydration cycle.
The tradition absorption type dryer mainly is made up of the first absorption/regenerator, the second absorption/regenerator, fore filter, post-filter, cooler, separator, circulating fan or compressor and monoblock type electric heater, referring to Fig. 3, during absorption, air-flow enters fore filter through air inlet, remove free state oil, water and dust after valve A1 enters the first absorption/regenerator, gas dewatering is after check-valves B3 and post-filter are delivered to the gas outlet.During regeneration, regeneration gas is drawn from the dewater unit outlet, enters heater through circulating fan or compressor, enter the second absorption/regenerator desorb bed desorption after the intensification, enter cooler through valve A4 again, the aqueous water of separating out in the divided gas flow of cooling back comes back to the dewater unit air inlet.Because this process using four two-way valve A1, A2, A3, A4 and four check-valves B1, B2, B3, B4, valve quantity is many, the technological process complexity, and manually-operated intensity is bigger, easily produces maloperation; And, not adopting pressure-equalizing device, regeneration gas pressure and work tower pressure are unequal during work, in the gas pressure influence of fluctuations molecular sieve life-span, can not make device efficiency reach optimum state.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of triple valve closed cycle thermal regeneration formula gas-drying apparatus, and this drier valve quantity is few, the reliability height.
In order to address the above problem, triple valve closed cycle thermal regeneration formula gas-drying apparatus of the present utility model, comprise the first absorption/regenerator, the second absorption/regenerator, fore filter, post-filter, cooler, separation/filter, circulating fan or compressor and heater, the outlet of described first and second absorption/regenerator is communicated with two ports of triple valve IV through going out pipe respectively, the third connectivity mouth of triple valve IV is communicated with the inlet of described post-filter through pipeline, and between the scene 2 pipe with described triple valve IV and be connected to triple valve III; Described first, the inlet of two absorption/regenerators is communicated with two ports of triple valve I through inlet pipe respectively, the third connectivity mouth of this triple valve I is communicated with the outlet of described fore filter through pipeline, and between two inlet pipes, be provided with triple valve II, two ports of this triple valve II are communicated with described two inlet pipes respectively, the third connectivity mouth of this triple valve II links to each other with the inlet of described cooler through pipeline, the outlet of cooler with separate/inlet of filter is communicated with, the gas vent of separation/filter is communicated with the inlet of described circulating fan or compressor, the outlet of circulating fan or compressor links to each other with the inlet of heater, and the outlet of heater is communicated with port of residue of described triple valve III.
The utility model adopts four triple valves to replace four two-way valves and four check-valves, has both reduced valve quantity, has improved reliability again.
As the preferred embodiment of technique scheme, described triple valve I, II, III, IV are the Pneumatic three-way ball valve, adopt pneumatic control, both can reduce working strength of workers in amplitude peak ground, have improved the operational reliability of product again.
As another preferred embodiment of technique scheme, drier also comprises pressure-equalizing device, and this pressure-equalizing device is attempted by the front of described triple valve III; Perhaps this pressure-equalizing device one end be connected described cooler and separate/pipeline between the filter on, the other end is connected on the inlet tube of described post-filter.The effect of pressure-equalizing device is to make the regeneration gas pressure of closed cycle identical with the pressure of work tower, has avoided pressure oscillation, has prolonged the life-span of molecular sieve, thereby improves regeneration efficiency.
As another preferred embodiment of technique scheme, on the pipeline between described circulating fan or compressor and the heater, be provided with safety valve, when gas pressure surpassed setting value, safety valve was opened, and has improved security of products.
As another preferred embodiment of technique scheme, described heater is the combined electrical heater, the efficient height, and installation and maintenance are easy.
As another preferred embodiment of technique scheme, described fore filter is made of the one or more serial connections in separator-filter, dust removal filter, the oil removal filter.According to the dopant species that contains in the gas, select corresponding filter.
Compared with prior art, the beneficial effects of the utility model are:
(1) rational in infrastructure, valve quantity is few, the reliability height;
(2) compact conformation, flow process is terse, and operating maintenance is easy;
(3) isobaric regeneration, the molecular sieve life-span is long, the device efficiency height;
(4) closed cycle, zero-emission, environmental protection.
Description of drawings
Fig. 1 is the flow chart of the utility model embodiment 1;
Fig. 2 is the flow chart of the utility model embodiment 2;
Fig. 3 is the flow chart of traditional handicraft.
The specific embodiment
Further the utility model is illustrated below in conjunction with drawings and Examples.
Referring to Fig. 1, triple valve closed cycle thermal regeneration formula gas-drying apparatus is mainly by the first absorption/regenerator 1, second absorption/the regenerator 2, fore filter 3, post-filter 14, cooler 6, separator/filter 7, circulating fan or compressor 8 and electric heater 10 are formed, first, two absorption/ regenerators 1,2 outlet is communicated with two ports of triple valve IV13 through going out pipe respectively, the third connectivity mouth of triple valve IV13 is communicated with through the inlet of pipeline with described post-filter 14, and between the scene 2 pipe with triple valve IV and be connected to triple valve III12 and pressure-equalizing device 11, pressure-equalizing device 11 can be equalizing valve or balance pipe; Described first, two absorption/ regenerators 1,2 inlet is communicated with two ports of triple valve I 4 through inlet pipe respectively, the third connectivity mouth of this triple valve I 4 is communicated with through the outlet of pipeline with described fore filter 3, this fore filter 3 is a separator-filter, and between two inlet pipes, be provided with triple valve II 5, two ports of this triple valve II 5 are communicated with described two inlet pipes respectively, the third connectivity mouth of this triple valve II 5 links to each other through the inlet of pipeline with described cooler 6, the outlet of cooler 6 with separate/inlet of filter device 7 is communicated with, the outlet of separation/filter device 7 is communicated with the inlet of circulating fan or compressor 8, the outlet of circulating fan or compressor 8 links to each other with the inlet of electric heater 10, and the outlet of electric heater 10 is communicated with port of residue of described triple valve III12.On the pipeline between described circulating fan or compressor 8 and the electric heater 10, be provided with safety valve 9.Described triple valve I, II, III, IV4,5,12,13 are the Pneumatic three-way ball valve.
Referring to Fig. 2, pressure-equalizing device 11 1 ends are connected cooler 6 and separate/pipeline between the filter 7 on, the other end is connected on the inlet tube of post-filter 14.Other structure is identical with embodiment 1.
The utility model is applicable to the drying of natural gas, hydrogen, nitrogen and oxygen, is installed in drier before the natural gas compressor during use or between compressor stage.Below with the first absorption/regenerator 1 as adsorption tower, second absorption/the regenerator 2 illustrates operation principle of the present utility model as regenerator: during absorption, the air-flow that contains moisture enters fore filter 3 through air inlet, the liquid mist particulate of entrained solid impurity and free state in the removal air-flow, then enter the first absorption/regenerator 1, dehydrate back entering through triple valve IV 13 and enter gas outlet or caisson after post-filter 14 removes dust by the outlet of the first absorption/regenerator, 1 upper end through triple valve I.During regeneration, 2 unlatchings of the second absorption/regenerator by valve, closure and cooler 6, separator 7, compressor 8 and heater 10 are formed a closed cycle loop and are regenerated, gas in the absorption/regenerator 2 is delivered to electric heater 10 through circulating fan or compressor 8 and is heated to uniform temperature, enter the second absorption/regenerator, 2 purge adsorbents then, make it obtain activating and regenerating, the gas that contains moisture is discharged from the second absorption/regenerator 2, after cooler 6 coolings, deliver to separation/filter 7 and carry out gas-liquid separation, isolated liquid is discharged through discharge outlet, gas then continues to deliver to electric heater 10 and is heated to uniform temperature and enters the second absorption/regenerator 2 again, continues desorption.
When the adsorption capacity of the first absorption/regenerator 1 is saturated, when reaching the work period of setting, four corresponding passages of triple valve are closed and opened to automatic control system, and the automatic switchover duty also can adopt manual control.When the first absorption/regenerator 1 was regenerated operation, the first absorption/regenerator 1 just transferred regenerator to, and 2 of the second absorption/regenerators transfer adsorption tower to and carry out adsorption operation.Like this, " adsorption-regeneration " process of two towers hockets, and the air feed process is able to successively.
Claims (6)
1. triple valve closed cycle thermal regeneration formula gas-drying apparatus, comprise the first absorption/regenerator (1), second absorption/the regenerator (2), fore filter (3), post-filter (14), cooler (6), separation/filter (7), circulating fan or compressor (8) and heater (10), it is characterized in that: described first, two absorption/regenerators (1,2) outlet is communicated with two ports of triple valve IV (13) through going out pipe respectively, the third connectivity mouth of triple valve IV (13) is communicated with through the inlet of pipeline with described post-filter (14), and between the scene 2 pipe with described triple valve IV and be connected to triple valve III (12); Described first, two absorption/regenerators (1,2) inlet is communicated with two ports of triple valve I (4) through inlet pipe respectively, the third connectivity mouth of this triple valve I (4) is communicated with through the outlet of pipeline with described fore filter (3), and between two inlet pipes, be provided with triple valve II (5), two ports of this triple valve II (5) are communicated with described two inlet pipes respectively, the third connectivity mouth of this triple valve II (5) links to each other through the inlet of pipeline with described cooler (6), the outlet of cooler (6) with separate/inlet of filter (7) is communicated with, the gas vent of separation/filter (7) is communicated with the inlet of described circulating fan or compressor (8), the outlet of circulating fan or compressor (8) links to each other with the inlet of heater (10), and the outlet of heater (10) is communicated with port of residue of described triple valve III (12).
2. triple valve closed cycle thermal regeneration formula gas-drying apparatus according to claim 1 is characterized in that: described triple valve I, II, III, IV (4,5,12,13) are the Pneumatic three-way ball valve.
3. triple valve closed cycle thermal regeneration formula gas-drying apparatus according to claim 1, it is characterized in that: also comprise pressure-equalizing device (11), this pressure-equalizing device (11) is attempted by the front of described triple valve III (12); Perhaps these pressure-equalizing device (11) one ends be connected described cooler (6) and separate/pipeline between the filter (7) on, the other end is connected on the inlet tube of described post-filter (14).
4. triple valve closed cycle thermal regeneration formula gas-drying apparatus according to claim 1 is characterized in that: be provided with safety valve (9) on the pipeline between described circulating fan or compressor (8) and the heater (10).
5. according to claim 1 or 4 described triple valve closed cycle thermal regeneration formula gas-drying apparatus, it is characterized in that: described heater (10) is an electric heater.
6. triple valve closed cycle thermal regeneration formula gas-drying apparatus according to claim 1, it is characterized in that: described fore filter (3) is made of the one or more serial connections in separator-filter, dust removal filter, the oil removal filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273706U CN201404756Y (en) | 2009-05-20 | 2009-05-20 | Tee-valve closed cycle heating regenerative gas dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273706U CN201404756Y (en) | 2009-05-20 | 2009-05-20 | Tee-valve closed cycle heating regenerative gas dryer |
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| Publication Number | Publication Date |
|---|---|
| CN201404756Y true CN201404756Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201273706U Expired - Fee Related CN201404756Y (en) | 2009-05-20 | 2009-05-20 | Tee-valve closed cycle heating regenerative gas dryer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201404756Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
| CN104535411A (en) * | 2014-12-11 | 2015-04-22 | 重庆联合机器制造有限公司 | Lever mechanism used in fiberglass tensile test machine |
| CN109045935A (en) * | 2018-08-16 | 2018-12-21 | 邯郸钢铁集团有限责任公司 | A kind of method that the pressure of compressed-air drier filtrate is lived again |
| CN111248005A (en) * | 2020-01-09 | 2020-06-09 | 南京师范大学 | A system and using method for carbon dioxide recycling and temperature regulation in a greenhouse |
| CN111659222A (en) * | 2020-07-07 | 2020-09-15 | 苏州皖轩净化设备有限公司 | Novel gaseous automatic purification device |
| CN114788986A (en) * | 2022-05-13 | 2022-07-26 | 扬州电力设备修造厂有限公司 | Novel evacuation formula hydrogen desicator |
-
2009
- 2009-05-20 CN CN2009201273706U patent/CN201404756Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
| CN103028304B (en) * | 2012-12-27 | 2016-02-10 | 重庆联合机器制造有限公司 | Triple valve external circulation heating regenerative gas-drying apparatus |
| CN104535411A (en) * | 2014-12-11 | 2015-04-22 | 重庆联合机器制造有限公司 | Lever mechanism used in fiberglass tensile test machine |
| CN109045935A (en) * | 2018-08-16 | 2018-12-21 | 邯郸钢铁集团有限责任公司 | A kind of method that the pressure of compressed-air drier filtrate is lived again |
| CN111248005A (en) * | 2020-01-09 | 2020-06-09 | 南京师范大学 | A system and using method for carbon dioxide recycling and temperature regulation in a greenhouse |
| CN111659222A (en) * | 2020-07-07 | 2020-09-15 | 苏州皖轩净化设备有限公司 | Novel gaseous automatic purification device |
| CN114788986A (en) * | 2022-05-13 | 2022-07-26 | 扬州电力设备修造厂有限公司 | Novel evacuation formula hydrogen desicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20160520 |