CN204182272U - A kind of band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine - Google Patents
A kind of band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine Download PDFInfo
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- CN204182272U CN204182272U CN201420666279.2U CN201420666279U CN204182272U CN 204182272 U CN204182272 U CN 204182272U CN 201420666279 U CN201420666279 U CN 201420666279U CN 204182272 U CN204182272 U CN 204182272U
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Abstract
The utility model relates to a kind of band hot gas and reclaims zero gas consumption negative pressure regenerative combination formula drying machine, it is characterized in that: comprise and being connected to form by freezing type drier and absorption drier, on absorption drier, dry gas outlet is connected to heat exchanger through a rearmounted accurate filter, compressed air inlet pipeline is connected to steam-water separator through a preposition accurate filter, and the valve V5 on second group of Pneumatic butterfly valve is connected a vavuum pump with between valve V6; Heat-energy recovering apparatus is connected to dry gas outlet through adsorption tower again after valve V13, and a valve V12 in parallel on heat-energy recovering apparatus and valve V13, the valve V12 after parallel connection is connected to a screen pack.Enter adsorption tower from freezing type drier regeneration gas out through the action of vavuum pump negative pressure, final dry air returns freezing type drier, avoids inner gas consumption to produce, has energy-saving effect, improve service efficiency and life-span.
Description
technical field:
The utility model relates to a kind of gas purifying equipment, particularly relates to a kind of band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine.
background technology:
Compressed air is widely used in vcehicular tunnel, petroleum pipeline, chemical industry, the field of the industries such as iron and steel or the construction of on-fixed workplace, from existing dry technology, the drying mode adopted and form have substantially: freezing dehumidification, absorption process dehumidification, absorption dehumidification comprises heatless regeneration and low-grade fever regenerates two kinds, the tandem dehumidification etc. of freezing heatless regeneration, these are all single drying mode and method, some insider also considered the combination type drying machines that absorption type and freezing type two kinds of drying modes carried out gathering in the hope of reaching a kind of better Loss reducing afterwards, in order to the heat in refrigerant being exchanged use more fully, insider just establishes a heat reclaim unit on the regeneration gas pipeline connecting the outlet of freezing type drier compressed gas and absorption drier non-return valve, refrigerant conveyance conduit is through freezing type drier and heat reclaim unit, cold medium compressor is connected to by output.Adopt the combination type drying machines of this kind of structure, when refrigerant conveyance conduit is after heat reclaim unit, by exchange heat to heat reclaim unit, heat reclaim unit again exchange heat to the regeneration gas in regeneration gas pipeline, thus the abundant exchange realizing heat in refrigerant uses.Although the combination type drying machines of above structure can obtain the higher regeneration gas of temperature by the abundant heat exchanged in refrigerant, but when in board running, load is low, when after causing absorption drier regeneration gas and heat reclamation device heat exchange, temperature does not still reach regeneration temperature, regeneration gas just cannot reach best state, finally causes the drying effect of absorption drier poor.
summary of the invention:
The technical problem that the utility model solves is to provide one can make refrigerant heat and absorption drier in freezing type drier fully exchange, absorption drier produces regeneration gas negative pressure, reaches the one band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine without gas consumption.
The technical scheme in the invention for solving the technical problem is: a kind of band hot gas reclaims zero gas consumption negative pressure regenerative combination formula drying machine, comprise and being connected to form by freezing type drier and absorption drier, described freezing type drier comprises precooler, condenser, heat exchanger, evaporimeter, steam-water separator and the compressor for refrigerant compression cycle is utilized, condensator outlet is connected to heating power expansion valve through device for drying and filtering again after being arranged on the outlet heat riser in heat exchanger, this heating power expansion valve is connected to compressor through coolant circulating system, the outlet of compressor is connected to the import of condenser through a heat-energy recovering apparatus, described absorption drier comprises and being made up of adsorption tower and regenerator, connected by two groups of Pneumatic butterfly valves between adsorption tower and regenerator, first group of Pneumatic butterfly valve includes valve V1 in parallel, valve V2 and valve V3, valve V4, second group of Pneumatic butterfly valve includes valve V5 in parallel, valve V6 and valve V7, valve V8, first group of Pneumatic butterfly valve connects dry gas outlet, the outlet of this dry gas is connected to heat exchanger through a rearmounted accurate filter, second group of Pneumatic butterfly valve is connected on compressed air inlet pipeline, this compressed air inlet pipeline is connected to steam-water separator through a preposition accurate filter, valve V5 on second group of Pneumatic butterfly valve is connected a vavuum pump with between valve V6, described heat-energy recovering apparatus is connected to dry gas outlet through adsorption tower again after valve V13, and a valve V12 in parallel on heat-energy recovering apparatus and valve V13, the valve V12 after parallel connection is connected to a screen pack.
Further, fallen by the contaminant filter in regeneration gas in order to better, described preposition accurate filter has two, and is connected in series.
Further, in order to the temperature before entering into regenerator after controlling regeneration gas heat exchange, a heater is also connected at described heat-energy recovering apparatus with between adsorption tower.
Further, in order to reduce the noise of whole unit equipment, at described adsorption tower, between regenerator with second group of Pneumatic butterfly valve, be connected a muffler respectively through valve V9 and valve V10.
The beneficial effects of the utility model are: enter adsorption tower from freezing type drier regeneration gas out through the action of vavuum pump negative pressure, the air of final drying returns freezing type drier, avoid inner gas consumption to produce, there is energy-saving effect, improve service efficiency and life-span.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the schematic diagram of the utility model structure.
In figure: 1, precooler 2, condenser 3, heat exchanger 4, outlet heat riser 5, evaporimeter 6, steam-water separator 7, hot gas bypass valve 8, compressor 9, heating power expansion valve 10, device for drying and filtering 11, rearmounted accurate filter 12, screen pack 13, heat-energy recovering apparatus 14, heater 15, preposition accurate filter 16, Pneumatic butterfly valve 17, safety valve 18, vavuum pump 19, muffler.
detailed description of the invention:
A kind of band hot gas reclaims zero gas consumption negative pressure regenerative combination formula drying machine as shown in Figure 1, comprise and being connected to form by freezing type drier and absorption drier, described freezing type drier comprises precooler 1, condenser 2, heat exchanger 3, evaporimeter 5, steam-water separator 6 and the compressor 8 for refrigerant compression cycle is utilized, condenser 2 is connected to heating power expansion valve 9 through device for drying and filtering 10 after exporting the outlet heat riser 4 through being arranged in heat exchanger 3 again, this heating power expansion valve 9 is connected to compressor 8 through coolant circulating system, the outlet of compressor is connected to the import of condenser through a heat-energy recovering apparatus 13, described absorption drier comprises and being made up of adsorption tower and regenerator, described adsorption tower and regenerator are all connected with safety valve 17, connected by two groups of Pneumatic butterfly valves 16 between adsorption tower and regenerator, first group of Pneumatic butterfly valve includes valve V1 in parallel, valve V2 and valve V3, valve V4, second group of Pneumatic butterfly valve includes valve V5 in parallel, valve V6 and valve V7, valve V8, first group of Pneumatic butterfly valve connects dry gas outlet, the outlet of this dry gas is connected to heat exchanger 3 through a rearmounted accurate filter 11, second group of Pneumatic butterfly valve is connected on compressed air inlet pipeline, this compressed air inlet pipeline is connected to steam-water separator 6 through a preposition accurate filter 15, valve V5 on second group of Pneumatic butterfly valve be connected a vavuum pump 18 between valve V6, described heat-energy recovering apparatus 13 is connected to dry gas outlet through adsorption tower again after valve V13, and a valve V12 in parallel on heat-energy recovering apparatus 13 and valve V13, the valve V12 after parallel connection is connected to a screen pack 12.
Further, fallen by the contaminant filter in regeneration gas in order to better, described preposition accurate filter 15 has two, and is connected in series.
Further, in order to the temperature before entering into regenerator after controlling regeneration gas heat exchange, described heat-energy recovering apparatus 13 be also connected a heater 14 between adsorption tower.
Further, in order to reduce the noise of whole unit equipment, at described adsorption tower, between regenerator with second group of Pneumatic butterfly valve, be connected a muffler 19 respectively through valve V9 and valve V10.
This equipment adopts vavuum pump 18 to produce the principle of negative pressure thermal regeneration, reach the object without gas consumption, its operation principle is as follows: the air of import is lowered the temperature by freezing type drier precooler 1 and heat exchanger 3 are rear, enter evaporimeter 5 and carry out freeze drying, moisture content in air is discharged from draining valve after steam-water separator 6 is separated because separate out after condensation, dry air enters adsorption tower and adsorbs after preposition accurate filter 15 impurity screening, the heat exchanger 3 that the air of final drying flows into freezing type drier again carries out heat exchange with the air of entrance and improves outlet temperature, the regenerative process of absorption drier: 1, relief valve V10 during regeneration under regenerator opens, pressure in tower is let out to atmospheric pressure state, then vavuum pump 18 and valve V13 is opened, air flows into heat-energy recovering apparatus 13 from vavuum pump 18 filter and carries out heat exchange with refrigerant, the intake air temperature of regeneration gas is improve by heat exchange, after heat exchange, air flows into heater 14, heater 14 controls heating-up temperature automatically according to heating-up temperature, the regeneration gas of high temperature enters adsorbent and tower body heating in regenerator, by the moisture content in adsorbent by outside vavuum pump discharge machine, realize the object of regeneration, 2, thermal regeneration complete after valve V13 and heater 14 close, valve V12 opens, and freezing type drier flows into regenerator through piping makes adsorption tower lower the temperature, and when being down to setting value, vavuum pump 18 is out of service, and it is for subsequent use afterwards that valve V11 opens regenerator boosting.
It is emphasized that, it is more than better implementation column of the present utility model, not any type of restriction is done in appearance to this utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a band hot gas reclaims zero gas consumption negative pressure regenerative combination formula drying machine, it is characterized in that: comprise and being connected to form by freezing type drier and absorption drier, described freezing type drier comprises precooler (1), condenser (2), heat exchanger (3), evaporimeter (5), steam-water separator (6) and the compressor (8) for refrigerant compression cycle is utilized, condenser (2) outlet is connected to heating power expansion valve (9) through device for drying and filtering (10) again after being arranged on the outlet heat riser (4) in heat exchanger (3), this heating power expansion valve (9) is connected to compressor (8) through coolant circulating system, the outlet of compressor is connected to the import of condenser through a heat-energy recovering apparatus (13), described absorption drier comprises and being made up of adsorption tower and regenerator, connected by two groups of Pneumatic butterfly valves (16) between adsorption tower and regenerator, first group of Pneumatic butterfly valve includes valve V1 in parallel, valve V2 and valve V3, valve V4, second group of Pneumatic butterfly valve includes valve V5 in parallel, valve V6 and valve V7, valve V8, first group of Pneumatic butterfly valve connects dry gas outlet, the outlet of this dry gas is connected to heat exchanger (3) through a rearmounted accurate filter (11), second group of Pneumatic butterfly valve is connected on compressed air inlet pipeline, this compressed air inlet pipeline is connected to steam-water separator (6) through a preposition accurate filter (15), valve V5 on second group of Pneumatic butterfly valve be connected a vavuum pump (18) between valve V6, described heat-energy recovering apparatus (13) is connected to dry gas outlet through adsorption tower again after valve V13, and a valve V12 in parallel on heat-energy recovering apparatus (13) and valve V13, the valve V12 after parallel connection is connected to a screen pack (12).
2. one band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine according to claim 1, is characterized in that: described preposition accurate filter (15) has two, and is connected in series.
3. one band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine according to claim 1, is characterized in that: described heat-energy recovering apparatus (13) be also connected a heater (14) between adsorption tower.
4. one band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine according to claim 1, is characterized in that: at described adsorption tower, be connected a muffler (19) respectively through valve V9 and valve V10 between regenerator with second group of Pneumatic butterfly valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420666279.2U CN204182272U (en) | 2014-11-10 | 2014-11-10 | A kind of band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine |
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| CN201420666279.2U CN204182272U (en) | 2014-11-10 | 2014-11-10 | A kind of band recuperation of heat zero gas consumption negative pressure regenerative combination formula drying machine |
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| CN204182272U true CN204182272U (en) | 2015-03-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815532A (en) * | 2015-03-31 | 2015-08-05 | 宁波杭州湾新区祥源动力供应有限公司 | High-efficiency energy-saving air blasting regeneration gas loss-free adsorption drying system |
| CN105688617A (en) * | 2016-04-11 | 2016-06-22 | 珠海市臻的科技有限公司 | Front-end refrigerating and regenerated gas recycling and heating system for adsorbing drying machine |
| 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 |
| CN113134288A (en) * | 2021-03-24 | 2021-07-20 | 常州新日催化剂股份有限公司 | Adsorption type drying device of catalyst for producing maleic anhydride |
| TWI831295B (en) * | 2021-07-21 | 2024-02-01 | 美商氣體產品及化學品股份公司 | Air separation apparatus, adsorber, and method |
-
2014
- 2014-11-10 CN CN201420666279.2U patent/CN204182272U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815532A (en) * | 2015-03-31 | 2015-08-05 | 宁波杭州湾新区祥源动力供应有限公司 | High-efficiency energy-saving air blasting regeneration gas loss-free adsorption drying system |
| CN105688617A (en) * | 2016-04-11 | 2016-06-22 | 珠海市臻的科技有限公司 | Front-end refrigerating and regenerated gas recycling and heating system for adsorbing drying machine |
| 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 |
| CN113134288A (en) * | 2021-03-24 | 2021-07-20 | 常州新日催化剂股份有限公司 | Adsorption type drying device of catalyst for producing maleic anhydride |
| TWI831295B (en) * | 2021-07-21 | 2024-02-01 | 美商氣體產品及化學品股份公司 | Air separation apparatus, adsorber, and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151110 |
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