CN203764098U - Regenerative compressed air drying system capable of carrying out heat or heatless adsorption - Google Patents
Regenerative compressed air drying system capable of carrying out heat or heatless adsorption Download PDFInfo
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- CN203764098U CN203764098U CN201420154869.7U CN201420154869U CN203764098U CN 203764098 U CN203764098 U CN 203764098U CN 201420154869 U CN201420154869 U CN 201420154869U CN 203764098 U CN203764098 U CN 203764098U
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- drying
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Abstract
The utility model discloses a regenerative compressed air drying system capable of carrying out heat or heatless adsorption. The regenerative compressed air drying system comprises a drying tower (1), a drying tower (2), a pollution discharge muffler (3), a flue gas heater (4), a desulfurization tower (5), an oxidation air blower (6), and valves (V1-V12). The regenerative compressed air drying system is characterized in that one end of the pollution discharge muffler (3) is connected with a pipeline between a pollution discharge valve V3 and a pollution discharge valve V4, the other end of the pollution discharge muffler (3) is connected with an oxidation air inlet pipe A of the desulfurization tower, an outlet pipeline of the oxidation air blower (6) is also provided with a heat desorption pipeline B to the drying tower, and the pipeline B is provided with a pyrolysis valve V11. The regenerative compressed air drying system disclosed by the utility model has the beneficial effects that compressed air consumed in a regeneration process of the drying tower is recycled; regeneration discharge noise of the drying tower is reduced, the time is shortened, and the working efficiency is improved, compared with heat adsorption drying which adopts electric heating, the electric energy is saved, and the problem that a large amount of compressed air is discharged and wasted caused by the difficulty in control of regeneration temperature of the drying tower.
Description
Technical field
The utility model relates to gas technical field of drying, is exactly a kind of regenerative compressed air drying system that can make heat or adsorb without heat.
Background technology
Increasingly extensive along with compressed air purposes, also more and more higher to the requirement of its clean-up performance.If moisture is wherein excessive, often can cause the adverse consequences such as control is malfunctioning, system corrosion.Existing compressed air drying technology mainly contains two types of absorption type and freezing types, and absorption type is divided into again without hot absorption regeneration and has two types of hot absorption regenerations.Absorption drier is the good class drying equipment of drying effect, its dry air dew point can reach-40～-100 DEG C, but its shortcoming is: 1. finished product compressed air consumption is larger, can reach 15% without hot absorption, have hot absorption can reach 7%, thereby air compressor machine power consumption is larger; 2. valve member switches frequently, serious wear; 3. need regular interpolation, change adsorbent; 4. noise is large when adsorption tower release; 5. high to the preposition pretreatment requirement of source of the gas, general oil water separator can not meet the requirement of absorption drier to air inlet quality.For having hot absorption regeneration formula drying machine, its regeneration thermal source is generally electric heater, therefore there is heater power consumption; In addition, regeneration air difficult control of temperature, greatly also makes air compressor machine power consumption increase to empty capacity.Freezing type drier is that the principle of utilizing airborne water vapour to meet condensation knot is carried out work, compressed humid air is subject to refrigerant (water at low temperature or cold-producing medium) indirectly cooling, wherein steam condensation, removes the condensed water of separating out to reach drying purpose through gas-liquid separator; Freezing type drier is compared with the dry machine of absorption type, and tool has the following advantages: 1) there is no compressed air consumption---and it is not very high that most of user requires compressed air dew point, uses cooling driers than using dryer and saves the energy; 2) wear and tear without valve member---the problem that dryer has valve to switch, although in cooling driers, also there is valve member, substantially without wear problem; 3) do not need regular interpolation, change adsorbent; 4) running noise is low, there is no the noise of adsorption tower release; 5) regular maintenance is simpler, as long as clean automatic water trap filter screen on time; 6) less demanding to the preposition pretreatment of source of the gas, general oil water separator can meet the requirement of cooling driers to air inlet quality.The shortcoming of cooling driers is: the dry degree of depth is not as good as dryer, and its dry air dew-point temperature can approach 0 DEG C, therefore be used for the occasion lower to compressed air drying degree; There is refrigerator, fan (or cooling water pump) energy consumption.
Summary of the invention
The utility model is the problems such as the Compressed Gas waste that solves existing nothing heat and have hot absorption regeneration formula compressed air drying technology to exist is large, energy consumption is high, and a kind of regenerative compressed air drying system that can make heat or adsorb without heat that can be typically applied in thermal power plant is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind ofly can make heat or the regenerative compressed air drying system without heat absorption, comprise: drying tower (1), drying tower (2), blowdown silencer (3), flue gas heater (4), desulfurizing tower (5), oxidation fan (6), valve (V1～V12), it is characterized in that: flue gas heater (4) is positioned at the top of desulfurizing tower (5), the outlet conduit of oxidation fan (6) is connected with flue gas heater (4) import, the outlet of flue gas heater (4) is connected with desulfurizing tower (5), this tube connector is referred to as desulfurizing tower oxidation air air inlet pipe A, which is provided with non-return valve V12, drying tower (1) is provided with intake valve V1 and blowoff valve V3, and its gas output tube is provided with non-return valve V5, drying tower (2) is provided with intake valve V2 and blowoff valve V4, and its gas output tube is provided with non-return valve V6, between the gas output tube of drying tower (1) and drying tower (2), be provided with liaison tube, this liaison tube is provided with the bypass valve V10 of hot absorption regeneration refrigerating gas control valve V7 and V7, one end of blowdown silencer (3) is connected with the pipeline between blowoff valve V3 and blowoff valve V4, and the other end of blowdown silencer (3) is connected with desulfurizing tower oxidation air air inlet pipe A, after tie point is positioned at non-return valve V12, the outlet conduit of oxidation fan (6) is also provided with the thermal analytic pipe road B to drying tower, and pipeline B is provided with pyrolysis valve V11, and pipeline B is respectively equipped with non-return valve V8 and V9 to the arm of drying tower (1) and drying tower (2).
The utility model compared with the prior art its beneficial effect is: with regard to regard to hot suction type, the compressed air of drying tower regenerative process consumption is recovered and is used in desulfurizing tower as oxidation air, thus oxidation fan can suitably reduce exert oneself operation energy-conservation to realize; When compressed air is released in drying tower regeneration, reducing noise.With regard to having hot suction type, except thering is aforementioned beneficial effect, can also shorten the recovery time of drying tower, improve drying tower operating efficiency, electrically heatedly have compared with hot adsorption dry with adopting, both saved electric energy, and overcome again drying tower regeneration temperature and be difficult to control the problem that causes a large amount of compressed air discharge wastes.The pulse compression air that drying tower discharges to desulfurizing tower oxidation air air inlet pipe A is conducive to prevent that oxidation air distributor pipe gas discharge hole is desulfurized slurries frozen plug, can also avoid the plasma discharge operation after desulfurizing tower is stopped transport, oxidation fan is stopped transport.
Brief description of the drawings
Fig. 1 is the utility model principle schematic, and Fig. 2 is that Fig. 1 is reduced to the regenerative compressed air drying system principle schematic without heat absorption.
In figure: 1,2-drying tower, 3-blowdown silencer, 4-flue gas heater, 5-desulfurizing tower, 6-oxidation fan, V1, V2-intake valve, V3, V4-blowoff valve, V5, V6, V8, V9, V12-non-return valve, V7-has hot absorption regeneration refrigerating gas control valve, the bypass valve of V10-V7, V11-pyrolysis valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, illustrated embodiment is only for explaining, be not intended to limit scope of the present utility model.All any amendments of making, improve, be equal to replacement etc., within all should being included in protection domain of the present utility model within thought of the present utility model and principle.
Referring to Fig. 1, a kind of regenerative compressed air drying system that can make heat or adsorb without heat, comprise: drying tower (1), drying tower (2), blowdown silencer (3), flue gas heater (4), desulfurizing tower (5), oxidation fan (6), valve (V1～V12), it is characterized in that: flue gas heater (4) is positioned at the top of desulfurizing tower (5), the outlet conduit of oxidation fan (6) is connected with flue gas heater (4) import, the outlet of flue gas heater (4) is connected with desulfurizing tower (5), this tube connector is referred to as desulfurizing tower oxidation air air inlet pipe A, which is provided with non-return valve V12, drying tower (1) is provided with intake valve V1 and blowoff valve V3, and its gas output tube is provided with non-return valve V5, drying tower (2) is provided with intake valve V2 and blowoff valve V4, and its gas output tube is provided with non-return valve V6, between the gas output tube of drying tower (1) and drying tower (2), be provided with liaison tube, this liaison tube is provided with the bypass valve V10 of hot absorption regeneration refrigerating gas control valve V7 and V7, one end of blowdown silencer (3) is connected with the pipeline between blowoff valve V3 and blowoff valve V4, and the other end of blowdown silencer (3) is connected with desulfurizing tower oxidation air air inlet pipe A, after tie point is positioned at non-return valve V12, the outlet conduit of oxidation fan (6) is also provided with the thermal analytic pipe road B to drying tower, and pipeline B is provided with pyrolysis valve V11, and pipeline B is respectively equipped with non-return valve V8 and V9 to the arm of drying tower (1) and drying tower (2).
With regard to having heat absorption, technological process of the present utility model can be sketched and is: often open, have the bypass valve V10 of hot absorption regeneration refrigerating gas control valve V7 and V7 closes at pyrolysis valve V11, intake valve V1 opens, V2 closes, blowoff valve V3 closes, V4 opens, compressed air by intake valve V1 enter drying tower (1) dry after, externally carry through non-return valve V5, when drying tower (1) absorption moisture reaches capacity, intake valve V2 opens, blowoff valve V4 closes, intake valve V1 closes, blowoff valve V3 opens, the compressed air absorbing after moisture in drying tower (1) enters desulfurizing tower (5) by blowdown silencer (3), drying tower (1) internal pressure reduces, the pressure hot-air of now oxidation fan (6) outlet enters drying tower (1) by non-return valve V8, and the humid air and the moisture that carry in drying tower (1) discharge to desulfurizing tower (5) continuously, drier in drying tower (1) obtains heating, drying, while arriving required standard, there is hot absorption regeneration refrigerating gas control valve V7 to open, the dried compressed air of drying tower (2) outlet enters drying tower (1) makes its inner drier obtain cooling, the heat that has that completes drying tower (1) is regenerated and has closed hot absorption regeneration refrigerating gas control valve V7, drying tower (2) have heat regeneration similar therewith.
The pyrolysis source of the gas for subsequent use that provided by adjacent generator set desulfurization system oxidation fan and the connecting pipe (not shown) with adjacent generator set desulfurization tower oxidation air air inlet pipe should be provided the utility model compressed air drying system; In the time that this unit oxidation fan is stopped transport, compressed air drying tower can be received by adjacent unit, also can close pyrolysis valve V11, opens and has hot absorption regeneration refrigerating gas control valve V7 or its bypass valve V10 to adopt heatless regeneration mode.
With regard to regard to heat absorption, technological process of the present utility model can be sketched and is: intake valve V1 opens, V2 closes, blowoff valve V3 closes, V4 opens, compressed air by intake valve V1 enter drying tower (1) dry after, externally carry through non-return valve V5; When drying tower (1) absorption moisture reaches capacity, intake valve V2 opens, blowoff valve V4 closes, intake valve V1 closes, blowoff valve V3 opens, the compressed air absorbing after moisture in drying tower (1) enters desulfurizing tower (5) by blowdown silencer (3), simultaneously, a small amount of dried compressed air of drying tower (2) outlet, by having hot absorption regeneration refrigerating gas control valve V7 or its bypass valve V10 to enter drying tower (1), completes the heatless regeneration of drying tower (1); The heatless regeneration of drying tower (2) is similar therewith.
The exhaust that is blowdown silencer (3) with prior art without unique difference of the regenerative compressed air drying system of heat absorption shown in Fig. 2 is discharged to atmosphere, but discharged to desulfurizing tower oxidation air air inlet pipe A's.
Claims (3)
1. can make heat or the regenerative compressed air drying system without heat absorption for one kind, comprise: drying tower (1), drying tower (2), blowdown silencer (3), flue gas heater (4), desulfurizing tower (5), oxidation fan (6), valve (V1～V12), it is characterized in that: flue gas heater (4) is positioned at the top of desulfurizing tower (5), the outlet conduit of oxidation fan (6) is connected with flue gas heater (4) import, the outlet of flue gas heater (4) is connected with desulfurizing tower (5), this tube connector is referred to as desulfurizing tower oxidation air air inlet pipe A, which is provided with non-return valve (V12), drying tower (1) is provided with intake valve (V1) and blowoff valve (V3), and its gas output tube is provided with non-return valve (V5), drying tower (2) is provided with intake valve (V2) and blowoff valve (V4), and its gas output tube is provided with non-return valve (V6), one end of blowdown silencer (3) is connected with the pipeline between blowoff valve (V3) and blowoff valve (V4), the other end of blowdown silencer (3) is connected with desulfurizing tower oxidation air air inlet pipe A, and tie point is positioned at non-return valve (V12) afterwards.
2. a kind of regenerative compressed air drying system that can make heat or adsorb without heat as claimed in claim 1, it is characterized in that: the outlet conduit of described oxidation fan (6) is also provided with the thermal analytic pipe road B to drying tower, pipeline B is provided with pyrolysis valve (V11), and pipeline B is to being respectively equipped with non-return valve (V8) and (V9) on the arm of drying tower (1) and drying tower (2).
3. a kind of regenerative compressed air drying system that can make heat or adsorb without heat as claimed in claim 1, it is characterized in that: between described drying tower (1) and the gas output tube of drying tower (2), be provided with liaison tube, this liaison tube is provided with hot absorption regeneration refrigerating gas control valve (V7) and bypass valve (V7) (V10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154869.7U CN203764098U (en) | 2014-03-21 | 2014-03-21 | Regenerative compressed air drying system capable of carrying out heat or heatless adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154869.7U CN203764098U (en) | 2014-03-21 | 2014-03-21 | Regenerative compressed air drying system capable of carrying out heat or heatless adsorption |
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| CN203764098U true CN203764098U (en) | 2014-08-13 |
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| CN201420154869.7U Expired - Fee Related CN203764098U (en) | 2014-03-21 | 2014-03-21 | Regenerative compressed air drying system capable of carrying out heat or heatless adsorption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502963A (en) * | 2020-04-01 | 2020-08-07 | 北方魏家峁煤电有限责任公司 | Grading utilization system and method for compressed air of thermal power plant |
-
2014
- 2014-03-21 CN CN201420154869.7U patent/CN203764098U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502963A (en) * | 2020-04-01 | 2020-08-07 | 北方魏家峁煤电有限责任公司 | Grading utilization system and method for compressed air of thermal power plant |
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| 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: 20140813 Termination date: 20160321 |