CN203899419U - Air drier - Google Patents
Air drier Download PDFInfo
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- CN203899419U CN203899419U CN201420271079.7U CN201420271079U CN203899419U CN 203899419 U CN203899419 U CN 203899419U CN 201420271079 U CN201420271079 U CN 201420271079U CN 203899419 U CN203899419 U CN 203899419U
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- drier
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Abstract
The utility model discloses an air drier, which comprises an air compressor, a refrigeration-type drier and an adsorption drier, wherein a first condenser is arranged in front of the refrigeration-type drier; the air inlet of the first condenser is communicated with the air compressor via a valve V7; the adsorption drier is in a dual-tower type, and comprises an adsorption tower A and an adsorption tower B; one ends of the adsorption tower A and the adsorption tower B are communicated with the adsorption drier via a valve V3 and a valve V4, and the opposite ends of the adsorption towers A and B lead to an air outlet via a check valve V5 and a check valve V6; one ends of the adsorption tower A and the adsorption tower B are communicated with the air inlet of the first condenser via a check valve V8 and a check valve V9, and the opposite ends of the adsorption tower A and the adsorption tower B are communicated with the air compressor via a valve V1 and a valve V2. The air drier is reasonable in structural design, lowers loss, saves the energy, and meanwhile meets lower dewpoint temperature requirements.
Description
Technical field
The utility model belongs to chemical industry equipment field, relates in particular to a kind of drying machine.
Background technology
Under the situation of global energy resource growing tension, the heat of compression utilizes industry more and more concerned, utilizes heat of compression air to be generally applied in each field as power source, along with market development, more and more higher to compressed-air actuated requirement, this just need to purify and be dried processing to compressed air.The compressed air that existing drying machine flows out from air compressor will first pass through oil expeller oil removing, cooling, gas-liquid separator, and heating adsorption formula is dry to be waited after processing, enters the gas system of using.
Existing drying machine type mainly contains freezing type drier, absorption drier and combination type drying machines.At present, refrigerating chamber drying machine has without tolerance loss, feature that energy consumption is low, but dew-point temperature is limited; Absorption drier has the low feature of finished product gas dew point, but regeneration gas loss is large, and energy consumption is high; For reaching high-quality low dew point finished product gas and the requirement of operation more economically, a lot of drying machines in existing market to bringing into play to greatest extent the advantage of the two, reach low dew point, low tolerance loss and the low drying machine of energy consumption by design.
As Chinese patent CN 201871317U title " combination type drying machines ", comprise freezing type drier, absorption drier, cold medium compressor and refrigerant conveyance conduit, on the regeneration gas pipeline of the compressed gas outlet of connection freezing type drier and absorption drier non-return valve, establish a heat reclaim unit, refrigerant conveyance conduit is through freezing type drier and heat reclaim unit, be connected to cold medium compressor by output, the technical characteristics of this patent is: on the regeneration gas pipeline of described connection freezing type drier compressed gas outlet and absorption drier non-return valve, be also provided with a heater and a temperature sensor, low the causing after absorption drier regeneration gas and heat reclamation device heat exchange when temperature does not still reach regeneration temperature of loading in board running, automatically start heater, promote regeneration temperature, make it reach optimum state, but this patented technology is in order to reach regeneration temperature, must arrange and be equipped with heat reclaim unit and carry out heat exchange and thermal source, additionally increase thermal energy consumption, Chinese patent CN 103272460 A " afterheat regeneration absorbing type desiccator ", the technical characteristics of this patent is: comprise air compressor, air compressor connects stop valve V15 successively, pneumatic operated valve V5 and adsorption tower A tower, stop valve V15 connects adsorption tower B tower by pneumatic operated valve V6, adsorption tower A tower connects check-valves V11 by check-valves V7, adsorption tower B tower connects check-valves V11 by check-valves V8, adsorption tower A tower connects check-valves V16 by pneumatic operated valve V1, adsorption tower B tower connects check-valves V16 by pneumatic operated valve V2, check-valves V16 connects check-valves V11, air compressor connects check-valves V11 by pneumatic operated valve V10, check-valves V11 connects the first cooler, the first cooler connects the second cooler, the second cooler connects moisture trap, moisture trap connects adsorption tower A tower by pneumatic operated valve V3, moisture trap connects adsorption tower B tower by pneumatic operated valve V4, adsorption tower A tower is communicated with by pneumatic operated valve V9 and ball valve V14 with adsorption tower B tower, adsorption tower A tower connects workshop by pneumatic operated valve V12, adsorption tower B tower connects workshop by pneumatic operated valve V13, the open text of this patent discloses and has utilized heat of compressor to remove traditional external heat or the electric heater of micro-heat drying from, the power consumption of blower fan and steam engine, realize external-heat regeneration, reduce energy consumption, two-stage cooler is set simultaneously, cooling effect is better, but entering cold blowing operation power shortage in cold blowing process without heat and promote after thermal regeneration, it is required that cold blowing operation is difficult to reach operation, thereby cause the hot-air of adsorption tower to flow to workshop at switching cycle, cause target gas to be difficult to meet dry gas demand, fall flat, in addition, in equipment, cooler can not be realized cooling and dehumidifying, only rely on adsorption tower adsorption dry cannot meet low dew point demand.
Summary of the invention
The problem existing for prior art, the utility model provides a kind of gas drier, and reasonable in design reduces the wastage, and saves the energy, and the dry function of realization simultaneously reaches the demand of lower dew-point temperature.
For addressing the above problem, the utility model is taked following technical scheme: a kind of gas drier, comprise air compressor, freezing type drier and absorption drier, preposition the first condenser of described freezing type drier, the air inlet of described the first condenser is communicated with air compressor by valve V7; Described absorption drier is double-tower type, comprises adsorption tower A tower and adsorption tower B tower, and one end of adsorption tower A tower and adsorption tower B tower is communicated with absorption drier by valve V3 and valve V4, and air outlet slit is led to by valve V5 and valve V6 in opposite end; Adsorption tower A tower and adsorption tower B tower one end are communicated with the first condenser air inlet by check-valves V8 and check-valves V9, and opposite end is communicated with air compressor by valve V1 and valve V2.
As preferred version, described valve V1, valve V2, valve V3, valve V4, valve V5, valve V6 and valve V7 are pneumatic operated valve.
As preferred version, described pneumatic operated valve V3 and pneumatic operated valve V4 are arranged on the lower end of described adsorption tower A tower and adsorption tower B tower, and described pneumatic operated valve V5 and pneumatic operated valve V6 are arranged on the upper end of described adsorption tower A tower and adsorption tower B tower.
As preferred version, described check-valves V8 and check-valves V9 are arranged on the lower end of adsorption tower A tower and adsorption tower B tower, and described pneumatic operated valve V1 and V2 are arranged on the upper end of described adsorption tower A tower and adsorption tower B tower.
As preferred version, before the connectivity points of described check-valves V8 and check-valves V9 and described the first condenser, be arranged between described valve 7 and the first condenser.
The beneficial effects of the utility model are: by rational structural design, effectively utilize the heat of the high temperature and high pressure gas of air compressor discharge to come the drier of heating adsorption formula drying machine and the regeneration gas of generation, thereby improve reproduction speed and regeneration quality, reduce energy consumption, regenerate at condenser and freezing type drier circulation by the regeneration gas of absorption drier in addition, prevent the loss of energy, dehumidification by condensation and the effective combination of adsorption dry in zero-emission consumption and global design are realized, realize recycling residual heat, make drying machine reach the technique effect of lower dew-point temperature and zero air consumption.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In diagram: the first condenser 1; Evaporimeter 2; Compressor 3; The second condenser 4; Expansion valve 5; Moisture trap 6; Adsorption tower A tower 7; Adsorption tower B tower 8; ; Air compressor 9; Pneumatic operated valve V1, pneumatic operated valve V2; Pneumatic operated valve V3; Pneumatic operated valve V4; Pneumatic operated valve V5; Pneumatic operated valve V6; Pneumatic operated valve V7; Check-valves V8; Check-valves V9.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model preferred embodiment is elaborated.
As shown in Figure 1, in the present embodiment, drying machine comprises the first condenser 1 that circulation is communicated with, freezing type drier, adsorption tower A tower 7 and adsorption tower B tower 8, the first condenser 1 is provided with air inlet and gas outlet, freezing type drier comprises evaporimeter 2, compressor 3, the second condenser 4 and expansion valve 5 and moisture trap 6, first condenser 1 air inlet one end is provided with pneumatic operated valve V7, pass into temperature that air compressor 9 the discharges air 120 DEG C of temperature by pneumatic operated valve V7, first condenser 1 one end, gas outlet is communicated with evaporimeter 2 by pipeline, evaporimeter 2 is communicated with moisture trap 6 by pipeline, moisture trap 6 is communicated with the lower end of adsorption tower A tower 7 and adsorption tower B tower 8, on the pipeline that wherein moisture trap 6 is communicated with adsorption tower A tower 7 lower ends, pneumatic operated valve V3 is set, on the pipeline that moisture trap 6 is communicated with adsorption tower B tower 8 lower ends, air valve V4 is set, pneumatic operated valve V3 and pneumatic operated valve V4 parallel connection, the pipeline communication of adsorption tower A tower 7 lower ends and the first condenser 1 air inlet end, on the pipeline being communicated with, check-valves V8 is set, the pipeline communication of adsorption tower B tower 8 lower ends and the first condenser 1 air inlet end, on the pipeline being communicated with, check-valves V9 is set, wherein, check-valves V8 and V9 parallel connection, adsorption tower A tower 7 upper ends pass into the hot-air that air compressor 9 is discharged, on the pipeline being communicated with, pneumatic operated valve V1 is set, adsorption tower B tower 8 upper ends pass into the hot-air that air compressor 9 is discharged, on the pipeline being communicated with, pneumatic operated valve V2 is set, wherein, pneumatic operated valve V1 and pneumatic operated valve V2 parallel connection, the connectivity points of check-valves V8 and check-valves V9 and first condenser 1 air inlet one end is arranged between pneumatic operated valve V7 and the first condenser 1, adsorption tower A tower 7 upper ends are provided with exhaust outlet and discharge duct, discharge duct is by arranging pneumatic operated valve V5 exhaust, adsorption tower B tower 8 upper ends are provided with exhaust outlet and discharge duct, discharge duct is by arranging pneumatic operated valve V6 exhaust.
In the present embodiment, the operation of gas drier is by intelligence control system controlling run, first open pneumatic operated valve V7, pneumatic operated valve V3 and pneumatic operated valve V5, discharge compressed air from air compressor 9 like this, temperature is greater than 120 DEG C, dry by the first condenser 1 condensation, regeneration gas enters the evaporimeter 2 of freezing type drier subsequently, compressor 3, the refrigeration system that the second condenser 4 and expansion valve 5 form is freezing drying further, gas through refrigeration system regeneration separates steam by moisture trap 6, completing the regeneration gas adsorption tower A tower that enters filled with dried drying prescription (for example aluminium oxide) by pneumatic operated valve V3 that steam separates is dried, the low dew point gas that obtains being dried is discharged air outlet slit by pneumatic operated valve V5, can enter workshop uses.
In the time that the moisture content of the drier absorption in adsorption tower A tower is saturated, intelligence control system controlling run is opened pneumatic operated valve V1, pneumatic operated valve V4 and pneumatic operated valve V6, from air compressor 9, discharge compressed air like this, temperature is greater than 120 DEG C, enter adsorption tower A tower 7 by pneumatic operated valve V1, in the drier thermal regeneration process of giving in adsorption tower A tower 7, by check-valves V8, then dry through the first condenser condenses, regeneration gas is subsequently by evaporimeter 2, compressor 3, further freezing drying of the freezing type drier of the second condenser 4 and expansion valve 5 and moisture trap composition, enter by pneumatic operated valve V4 again that to fill the adsorption tower B tower 8 of aluminium oxide dry, the low dew point gas that obtains being dried is discharged air outlet slit by pneumatic operated valve V6, can enter workshop uses.
After the drier thermal regeneration in adsorption tower A tower is good, intelligence control system controlling run is opened pneumatic operated valve V7, pneumatic operated valve V4, pneumatic operated valve V6 and pneumatic operated valve V5, the compressed air of discharging from air compressor like this, temperature is greater than 120 DEG C, dry by the first condenser 1 condensation, regeneration gas enters subsequently by evaporimeter 2, compressor 3, the freezing type drier that the second condenser 4 and expansion valve 5 and moisture trap 6 form is freezing drying further, then the adsorption tower B tower 8 that enters filled with dried drying prescription by pneumatic operated valve V4 is dried, the low dew point gas that obtains being dried is discharged by pneumatic operated valve V6, entering workshop uses.Simultaneously portion gas can pass through pneumatic operated valve V5, and the hot-air that enters adsorption tower A tower and the inside carries out cold and hot exchange, and also cooling the hot-air of the not purification in A tower, then moisture content can be by alumina adsorption in A tower by cooling the aluminium oxide in A tower time.
In the time that the moisture content of the alumina adsorption of 8 li, adsorption tower B tower is saturated, intelligence control system controlling run is opened pneumatic operated valve V2, pneumatic operated valve V3 and pneumatic operated valve V5.From air compressor 9, discharge compressed air like this, temperature is greater than 120 DEG C, enter adsorption tower B tower by pneumatic operated valve V2, giving in aluminium oxide thermal regeneration process, by check-valves V9, dry by the first condenser 1 condensation, regeneration gas enters evaporimeter 2 subsequently, compressor 3, the refrigeration system that the second condenser 4 and expansion valve 5 form is freezing drying further, gas through refrigeration system regeneration separates steam by moisture trap 6, complete the adsorption tower B tower that regeneration gas that steam separates enters filled with dried drying prescription by pneumatic operated valve V3 dry, the low dew point gas that obtains being dried is discharged by pneumatic operated valve V5, entering workshop uses.
The loop cycle work that so enters intersection, has not only realized zero-emission, more completes the requirement of low dew point dry gas.
Those of ordinary skill in the art will be appreciated that; above embodiment is only for the utility model is described but not to restriction of the present utility model; as long as in scope of the present utility model, variation, distortion to above embodiment all will fall into protection domain of the present utility model.
Claims (5)
1. a gas drier, comprises air compressor, freezing type drier and absorption drier, it is characterized in that: preposition the first condenser of described freezing type drier, and the air inlet of described the first condenser is communicated with air compressor by valve V7; Described absorption drier is double-tower type, comprises adsorption tower A tower and adsorption tower B tower, and one end of adsorption tower A tower and adsorption tower B tower is communicated with absorption drier by valve V3 and valve V4, and air outlet slit is led to by valve V5 and valve V6 in opposite end; Adsorption tower A tower and adsorption tower B tower one end are communicated with the first condenser air inlet by check-valves V8 and check-valves V9, and opposite end is communicated with air compressor by valve V1 and valve V2.
2. a kind of gas drier as claimed in claim 1, is characterized in that: described valve V1, valve V2, valve V3, valve V4, valve V5, valve V6 and valve V7 are pneumatic operated valve.
3. a kind of gas drier as described in claim 1 and 2, it is characterized in that: described pneumatic operated valve V3 and pneumatic operated valve V4 are arranged on the lower end of described adsorption tower A tower and adsorption tower B tower, described pneumatic operated valve V5 and pneumatic operated valve V6 are arranged on the upper end of described adsorption tower A tower and adsorption tower B tower.
4. a kind of gas drier as described in claim 1 or 3, is characterized in that: described check-valves V8 and check-valves V9 are arranged on the lower end of adsorption tower A tower and adsorption tower B tower, and described pneumatic operated valve V1 and V2 are arranged on the upper end of described adsorption tower A tower and adsorption tower B tower.
5. a kind of gas drier as claimed in claim 1, is characterized in that: before the connectivity points of described check-valves V8 and check-valves V9 and described the first condenser, be arranged between described valve 7 and the first condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271079.7U CN203899419U (en) | 2014-05-26 | 2014-05-26 | Air drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271079.7U CN203899419U (en) | 2014-05-26 | 2014-05-26 | Air drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899419U true CN203899419U (en) | 2014-10-29 |
Family
ID=51773712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271079.7U Expired - Fee Related CN203899419U (en) | 2014-05-26 | 2014-05-26 | Air drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203899419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786390A (en) * | 2018-07-17 | 2018-11-13 | 中国工程物理研究院核物理与化学研究所 | Reactor plant compressed air dehumidifying device and dehumanization method |
-
2014
- 2014-05-26 CN CN201420271079.7U patent/CN203899419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786390A (en) * | 2018-07-17 | 2018-11-13 | 中国工程物理研究院核物理与化学研究所 | Reactor plant compressed air dehumidifying device and dehumanization method |
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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 |
Granted publication date: 20141029 Termination date: 20160526 |